1 2006-11-01 Roger Sayle <roger@eyesopen.com>
3 * configure.ac (HAVE_AS_IX86_DIFF_SECT_DELTA): New test to determine
4 whether the assembler supports taking the difference of symbols in
5 different sections. On x86/Solaris, GAS does but Solaris as doesn't.
6 * configure: Regenerate.
7 * config.in: Regenerate.
8 * config/i386/sol2-10.h (JUMP_TABLES_IN_TEXT_SECTION): Define if
9 the assembler doesn't support taking the difference of symbols in
10 different sections, i.e. we're using the native solaris assembler.
12 2006-11-01 Pete Steinmetz <steinmtz@us.ibm.com>
13 Peter Bergner <bergner@vnet.ibm.com>
15 * doc/invoke.texi: Add cpu_type power6x
16 (RS/6000 and PowerPC Options): Add -mmfpgpr.
17 * config.gcc: Add cpu_type power6x.
18 * configure.ac: Add test for mf{t,f}gpr instructions.
19 (HAVE_AS_MFPGPR): New.
20 * config.in: Regenerate.
21 * configure: Regenerate.
22 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
23 * config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
24 shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
25 and mftgpr attributes.
26 (define_attr "cpu"): Add power6.
27 Change instruction sequences to use new attributes.
28 (floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
29 (fix_truncdfsi2_mfpgpr): New.
30 (floatsidf_ppc64_mfpgpr): New.
31 (floatsidf_ppc64): Added !TARGET_MFPGPR condition.
32 (movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
33 (movdf_hardfloat64): Added !TARGET_MFPGPR condition.
34 (movdi_internal64): Added !TARGET_MFPGPR and related conditions.
35 (fix_truncdfsi2): Use gpc_reg_operand constraint.
36 * config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
37 7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
38 Add descriptions for insert_dword, shift,trap,var_shift_rotate,
39 cntlz,exts and var_delayed_compare.
40 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
41 _ARCH_PWR6X, if features enabled.
42 * config/rs6000/rs6000.opt (mmfpgpr): New.
43 * config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
44 (cached_can_issue_more): New variable.
45 (processor_costs): Add power6_cost.
46 (rs6000_sched_init): New function.
47 (is_dispatch_slot_restricted): Deleted.
48 (set_to_load_agen): New function.
49 (is_load_insn,is_store_insn): New functions.
50 (adjacent_mem_locations): New function.
51 (insn_must_be_first_in_group): New function.
52 (insn_must_be_last_in_group): New function.
53 (rs6000_sched_reorder): New function.
54 (rs6000_sched_reorder2): New function.
55 (TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
56 TARGET_SCHED_REORDER2): Define.
57 (processor_target_table): Use PROCESSOR_POWER6 for power6.
58 Add power6x. Add MASK_MFPGPR for power6x.
59 (POWERPC_MASKS): Add MASK_MFPGPR.
60 (rs6000_override_options): Set rs6000_always_hint to false
61 for power6. Set rs6000_align_branch_targets. Replace
62 rs6000_sched_groups check with rs6000_align_branch_targets.
64 (last_scheduled_insn): New variable.
65 (load_store_pendulum): New variable.
66 (rs6000_variable_issue): Set last_scheduled_insn and
67 cached_can_issue_more.
68 (rs6000_adjust_cost): Add power6 cost adjustments.
69 (rs6000_adjust_priority): Replace is_dispatch_slot_restricted
70 with insn_must_be_first_in_group. Add power6 priority adjustments.
71 (rs6000_issue_rate): Add CPU_POWER6.
72 (insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
73 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
75 (SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
76 (ASM_CPU_SPEC): Add power6x.
77 (SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
79 * config/rs6000/power6.md: New file.
81 2006-11-01 Adam Nemet <anemet@caviumnetworks.com>
83 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
84 HOST_WIDE_INT_PRINT to print high and low parts. Use
85 HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT. When
86 printing a hexadecimal number prefix it with 0x.
88 2006-11-01 Chris Johns <chris@contemporary.net.au>
91 * Makefile.in (install-driver): Use exeext when installing
94 2006-11-01 Douglas Gregor <doug.gregor@gmail.com>
96 * c-common.c (flag_cpp0x): New.
97 * c-common.h (flag_cpp0x): New.
98 * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
99 supported, define __GXX_EXPERIMENTAL_CPP0X__.
100 * c-opts.c (set_std_cxx0x): New.
101 (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
102 * c.opt (std=c++0x): Document.
103 (std=gnu++0x): Ditto.
104 * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
105 * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
107 2006-11-01 Richard Guenther <rguenther@suse.de>
109 * config/i386/i386.c (ix86_expand_rint): Fix issues with
111 (ix86_expand_floorceildf_32): Likewise.
112 (ix86_expand_floorceil): Likewise.
113 (ix86_expand_trunc): Likewise.
115 2006-10-31 Andrew Pinski <pinskia@gmail.com>
117 * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
120 2006-11-01 Danny Smith <dannysmith@users.sourceforge.net>
122 * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
124 * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
126 * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
128 * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
129 * configure.ac (use_cxa_atexit): As a special case, don't test
130 for libc definition of __cxa_atexit on mingw32
131 * configure: Regenerate.
132 * config.gcc (i[34567]86-pc-mingw32): Default to
133 enable__cxa_atexit=yes.
135 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
137 * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
139 2006-10-31 Geoffrey Keating <geoffk@apple.com>
142 * c-decl.c (start_struct): Don't create self-containing
144 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
146 * config/rs6000/rs6000-protos.h
147 (darwin_rs6000_special_round_type_align): New.
148 * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
149 (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
151 2006-10-31 Geoffrey Keating <geoffk@apple.com>
153 * toplev.c (compile_file): Call final_write_globals
154 even if there have been errors.
156 2006-10-31 Eric Christopher <echristo@apple.com>
157 Falk Hueffner <falk@debian.org>
159 * doc/extend.texi (__builtin_bswap32): Document.
160 (__builtin_bswap64): Ditto.
161 * doc/libgcc.texi (bswapsi2): Document.
163 * doc/rtl.texi (bswap): Document.
164 * optabs.c (expand_unop): Don't widen a bswap.
165 (init_optabs): Init bswap. Set libfuncs explicitly
166 for bswapsi2 and bswapdi2.
167 * optabs.h (OTI_bswap): New.
168 (bswap_optab): Ditto.
169 * genopinit.c (optabs): Handle bswap_optab.
170 * tree.h (tree_index): Add TI_UINT32_TYPE and
172 (uint32_type_node): New.
173 (uint64_type_node): Ditto.
174 * tree.c (build_common_tree_nodes_2): Initialize
175 uint32_type_node and uint64_type_node.
176 * builtins.c (expand_builtin_bswap): New.
177 (expand_builtin): Call.
178 (fold_builtin_bswap): New.
179 (fold_builtin_1): Call.
180 * fold-const.c (tree_expr_nonnegative_p): Return true
182 * builtin-types.def (BT_UINT32): New.
184 (BT_FN_UINT32_UINT32): Ditto.
185 (BT_FN_UINT64_UINT64): Ditto.
186 * builtins.def (BUILT_IN_BSWAP32): New.
187 (BUILT_IN_BSWAP64): Ditto.
188 * rtl.def (BSWAP): New.
189 * genattrtab.c (check_attr_value): New.
190 * libgcc2.c (__bswapSI2): New.
192 * libgcc2.h (__bswapSI2): Declare.
194 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
195 * simplify-rtx.c (simplify_const_unary_operation): Return
197 * libgcc-std.ver (__bwapsi2): Add.
199 * reload1.c (eliminate_regs_1): Add bswap.
200 (elimination_effects): Ditto.
201 * config/i386/i386.h (x86_bswap): New.
203 * config/i386/i386.c (x86_bswap): Set.
205 2006-10-31 Geoffrey Keating <geoffk@apple.com>
207 * coverage.c (coverage_checksum_string): Update comment.
208 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
209 of get_file_function_name.
210 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
211 of get_file_function_name_long.
212 * tree.c (get_file_function_name): Rename from
213 get_file_function_name_long; improve comment; handle 'I' and 'D'
214 specially when the target has ctor/dtor support; remove special
216 (get_file_function_name): Remove.
217 * tree.h (get_file_function_name): Rename from
218 get_file_function_name_long.
219 (get_file_function_name): Remove prototype.
221 2006-10-31 Geoffrey Keating <geoffk@apple.com>
223 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
224 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
226 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
227 Call dsymutil when compiling and linking one or more source files
230 2006-10-31 Geoffrey Keating <geoffk@apple.com>
233 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
235 2006-10-31 Geoffrey Keating <geoffk@apple.com>
237 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
238 inline static functions in c99 mode.
241 * doc/extend.texi (Inline): Update.
242 * c-tree.h (struct language_function): Remove field 'extern_inline'.
243 * c-decl.c (current_extern_inline): Delete.
244 (pop_scope): Adjust test for an undefined nested function.
245 Add warning about undeclared inline function.
246 (diagnose_mismatched_decls): Update comments. Disallow overriding
247 of inline functions in a translation unit in C99. Allow inline
248 declarations in C99 at any time.
249 (merge_decls): Boolize variables. Handle C99 'extern inline'
251 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
252 C99 inline semantics.
253 (start_function): Don't clear current_extern_inline. Don't set
255 (c_push_function_context): Don't push current_extern_inline.
256 (c_pop_function_context): Don't restore current_extern_inline.
259 * c-typeck.c (build_external_ref): Warn about static variables
260 used in extern inline functions.
261 * c-decl.c (start_decl): Warn about static variables declared
262 in extern inline functions.
264 2006-10-31 Roger Sayle <roger@eyesopen.com>
267 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
268 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
269 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
270 or y is an even integer.
272 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
275 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
276 * gthr-posix95.h (__gthread_active_p): Likewise.
278 2006-10-31 Richard Guenther <rguenther@suse.de>
280 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
281 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
282 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
283 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
284 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
285 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
286 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
287 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
290 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
292 * opts.c (decode_options): Disable CSE skip blocks.
294 2006-10-30 Dirk Mueller <dmueller@suse.de>
296 * c-common.h (strict_aliasing_warning): Fix whitespace.
297 * c-decl (start_function): Move code for main decl warning ..
298 * c-common.c (check_main_parameter_types): .. here.
299 * c-common.h (check_main_parameter_types): Declare.
301 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
304 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
306 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
308 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
309 be a PARALLEL containing sets. Return false when out_pat is not
312 2006-10-30 Richard Sandiford <richard@codesourcery.com>
314 * config/mips/mips.md (mul<mode>3): Split into...
315 (mulsi3, muldi3): ...these separate patterns.
317 2006-10-30 Richard Sandiford <richard@codesourcery.com>
319 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
320 but with each set of options separated by spaces.
322 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
324 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
325 dwarf_reg_size_table has been initialized.
327 2006-10-30 Roger Sayle <roger@eyesopen.com>
329 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
330 * ddg.c (print_ddg_edge): Likewise.
331 * dwarf2out.c (prune_unused_types_walk): Likewise.
332 * ifcvt.c (noce_try_cmove_arith): Likewise.
333 * langhooks.c (add_builtin_function): Likewise.
334 * reg-stack.c (subst_stack_regs_pat): Likewise.
335 * tree.c (expanded_location): Likewise.
336 * tree-dump.c (dequeue_and_dump): Likewise.
338 2006-10-30 David Daney <ddaney@avtrex.com>
340 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
342 2006-10-30 Jakub Jelinek <jakub@redhat.com>
344 PR tree-optimization/29637
345 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
346 of the innertype is the innertype itself.
348 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
350 * dwarf2out.c (file_name_acquire): Correct typo.
352 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
354 * tree.h (tree_value_handle): Remove struct value_set declaration.
355 Change value_set to bitmap_set.
356 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
357 * tree-vn.c (get_value_handle): Made inline and moved to
359 * tree-flow-inline.h: (has_stmt_ann): New function.
360 * tree-ssa-pre.c (expressions): New variable.
361 (next_expression_id): Ditto.
362 (alloc_expression_id): New function.
363 (struct value_set): Remove.
364 (get_expression_id): New function.
365 (get_or_alloc_expression_id): Ditto.
366 (expression_for_id): Ditto.
367 (clear_expression_ids): Ditto.
368 (FOR_EACH_EXPR_ID_IN_SET): New macro.
369 (bb_value_sets): Renamed to bb_bitmap_sets.
370 All value sets replaced with bitmap_sets.
372 (BB_VISITED): New macro.
373 (postorder): New variable.
374 (add_to_value): Removed.
375 (value_exists_in_set_bitmap): Ditto.
376 (value_insert_into_set_bitmap): Ditto.
380 (set_contains_value): Ditto.
381 (insert_into_set): Ditto.
383 (find_leader): Ditto.
384 (bitmap_set_subtract_from_value_set): Ditto.
385 (value_insert_into_set): Ditto.
386 (print_value_set): Ditto.
387 (debug_value_set): Ditto.
388 (constant_expr_p): New function.
389 (bitmap_remove_from_set): Ditto.
390 (bitmap_insert_into_set): Ditto.
391 (bitmap_set_free): Ditto.
393 (sorted_array_from_bitmap_set): Ditto.
394 (bitmap_set_subtract): Ditto.
395 (bitmap_set_equal): Ditto.
396 (debug_bitmap_set): Ditto.
397 (find_leader_in_sets): Ditto.
398 (bitmap_set_replace_value): Modify for bitmapped sets.
399 (phi_translate): Ditto.
400 (phi_translate_set): Ditto.
401 (bitmap_find_leader): Ditto.
402 (valid_in_sets): Ditto.
403 (union_contains_value): Ditto.
405 (compute_antic_aux): Ditto. Mark changed blocks.
406 (compute_antic): Ditto. Iterate in postorder and only over
408 (compute_rvuse_and_antic_safe): Reuse postorder.
409 (create_component_ref_by_pieces): Modify for bitmapped sets.
410 (find_or_generate_expression): Ditto.
411 (create_expression_by_pieces): Ditto.
412 (insert_into_preds_of_block): Ditto.
413 (changed_blocks): New variable.
414 (do_regular_insertion): Broken out from insert_aux.
415 (insert_aux): Modified for bitmapped sets.
416 (find_existing_value_expr): New function.
417 (create_value_expr_from): Use it.
418 (insert_extra_phis): Removed.
419 (print_bitmap_set): Renamed from bitmap_print_value_set.
420 (compute_avail): Handle RETURN_EXPR.
421 (init_pre): Modify for bitmapped sets.
422 * tree-flow.h (has_stmt_ann): New function.
424 2006-10-29 Roger Sayle <roger@eyesopen.com>
426 * builtins.c (fold_builtin_floor): Check for the availability of
427 the C99 trunc function before transforming floor into trunc.
429 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
431 * builtins.c (fold_builtin_hypot): Rearrange recursive
432 transformation before others, and also do ABS_EXPR. When
433 necessary, check flag_unsafe_math_optimizations. When necessary,
436 2006-10-29 Roger Sayle <roger@eyesopen.com>
438 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
439 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
440 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
441 Fold -X eq/ne -Y as X eq/ne Y.
443 2006-10-29 Richard Sandiford <richard@codesourcery.com>
445 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
446 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
447 rather than GENERATE_MULT3_SI in the various define_peephole2s.
448 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
449 Use an inclusive test for "mult" rather than "mul".
450 (rotr<mode>3): Depend on ISA_HAS_ROR.
451 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
453 (GENERATE_MULT3_DI): Delete.
454 (ISA_HAS_64BIT_REGS): Use consistent formatting.
455 (ISA_HAS_MUL3): New macro.
456 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
457 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
458 (ISA_HAS_CLZ_CLO): Likewise.
459 (ISA_HAS_DCLZ_DCLO): Delete.
460 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
461 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
462 the VR4120 and VR4130.
463 (ISA_HAS_MACCHI): Use consistent formatting.
464 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
465 (ISA_HAS_ROR): ...this new macro.
466 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
467 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
468 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
470 2006-10-29 Roger Sayle <roger@eyesopen.com>
472 PR tree-optimization/15458
473 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
476 2006-10-29 Richard Guenther <rguenther@suse.de>
478 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
479 (ix86_expand_truncdf_32): Likewise.
480 * config/i386/i386.c (ix86_expand_trunc): New function expanding
481 trunc inline for SSE math and -fno-trapping-math and if not
483 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
484 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
485 for expanding btrunc inline for SSE math.
487 2006-10-29 Joseph Myers <joseph@codesourcery.com>
489 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
490 Handle tuning for bi-arch i[34567]86-*-linux* like that for
491 i[34567]86-*-solaris2.1[0-9]*.
492 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
493 Define conditionally depending on TARGET_64BIT_DEFAULT.
494 (SPEC_32, SPEC_64): Define.
495 (LINK_SPEC): Use them.
496 * doc/install.texi (--enable-targets=all): Document for x86-linux.
498 2006-10-29 Richard Guenther <rguenther@suse.de>
500 * config/i386/i386-protos.h (ix86_expand_round): Declare.
501 (ix86_expand_rounddf_32): Likewise.
502 * config/i386/i386.c (ix86_expand_round): New function expanding
503 round inline for SSE math and -fno-trapping-math and if not
505 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
506 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
507 round via ix86_expand_round.
509 2006-10-29 Richard Guenther <rguenther@suse.de>
511 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
512 (ix86_expand_floorceildf_32): Likewise.
513 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
514 static helper function.
515 (ix86_expand_floorceil): Expander for floor and ceil to SSE
517 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
518 * config/i386/i386.md (floordf2): Adjust to enable floor
519 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
520 -fno-trapping-math is enabled and if not optimizing for size.
521 (floorsf2, ceildf2, ceilsf2): Likewise.
522 * config/i386/sse.md (sse_maskcmpsf3): New insn.
523 (sse2_maskcmpdf3): Likewise.
525 2006-10-29 Richard Guenther <rguenther@suse.de>
527 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
528 rint in case -fno-trapping-math is enabled.
529 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
530 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
531 (ix86_expand_sse_fabs): Likewise.
532 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
533 * config/i386/i386.md (rintdf2): Enable for SSE math if
534 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
537 2006-10-29 Richard Guenther <rguenther@suse.de>
539 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
540 to conversion optabs.
541 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
543 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
544 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
545 (lfloor_optab, lceil_optab): Adjust defines.
546 * builtins.c (expand_builtin_int_roundingfn): Adjust for
547 lfloor and lceil optabs now being conversion optabs.
548 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
549 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
550 New static helper function.
551 (ix86_expand_lfloorceil): New function to expand lfloor and
553 * config/i386/i386.md (lfloor<mode>2): Split into ...
554 (lfloorxf<mode>2): ... x87 variant
555 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
556 using ix86_expand_lfloorceil.
557 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
559 * doc/md.texi (lfloorMN, lceilMN): Document.
561 2006-10-29 Richard Sandiford <richard@codesourcery.com>
563 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
564 -mno-shared assembler option on mips targets.
565 * configure, config.in: Regenerate.
566 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
567 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
568 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
570 2006-10-29 Richard Sandiford <richard@codesourcery.com>
572 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
573 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
575 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
577 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
578 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
581 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
584 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
585 (fold_builtin_pow): Evaluate constant arguments at compile-time
587 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
588 (do_mpfr_ckconv): New helper function.
589 (do_mpfr_arg1): Use do_mpfr_ckconv.
592 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
595 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
596 (-fdump-rtl-sched): Rename to ..
597 (-fdump-rtl-sched1): here. Also fix file extension number.
599 2006-10-28 Richard Guenther <rguenther@suse.de>
601 * fold-const.c (maybe_canonicalize_comparison): Fix code
604 2006-10-28 Uros Bizjak <uros@kss-loka.si>
606 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
607 (NON_QI_REG_P): Use IN_RANGE.
608 (REX_INT_REGNO_P): Use IN_RANGE.
609 (FP_REGNO_P): Use IN_RANGE.
610 (SSE_REGNO_P): Use IN_RANGE.
611 (REX_SSE_REGNO_P): Use IN_RANGE.
612 (MMX_REGNO_P): Use IN_RANGE.
613 (STACK_REGNO_P): New macro.
614 (STACK_REG_P): Use STACK_REGNO_P.
615 (NON_STACK_REG_P): Use STACK_REGNO_P.
616 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
617 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
618 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
619 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
620 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
622 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
624 * except.h (output_function_exception_table): Add 'const char*' param.
625 * except.c (switch_to_exception_section): Add 'const char*' param.
626 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
627 and flag_function_sections is set, use a function-specific section.
628 (output_function_exception_table): Add 'const char*' param.
629 Adjust call to switch_to_exception_section.
630 * final.c (rest_of_handle_final): Adjust calls to
631 output_function_exception_table.
632 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
633 * config.in: Regenerate.
634 * configure: Likewise.
636 2006-10-28 Richard Guenther <rguenther@suse.de>
639 * fold-const.c (maybe_canonicalize_comparison_1): Helper
640 for maybe_canonicalize_comparison.
641 (maybe_canonicalize_comparison): New function for canonicalizing
643 (fold_comparison): Call it to canonicalize comparisons with
646 2006-10-28 Richard Guenther <rguenther@suse.de>
649 * builtins.c (expand_builtin_int_roundingfn_2): Expand
650 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
651 (expand_builtin): Adjust likewise.
652 * genopinit.c (optabs[]): Add lround optab.
653 * optabs.c (init_optabs): Initialize lround_optab.
654 * optabs.h (enum convert_optab_index): Add COI_lround.
655 (lround_optab): Define.
656 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
657 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
659 (ix86_expand_lround): New function.
660 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
662 * doc/md.texi (lroundMN2): Document.
664 2006-10-28 Uros Bizjak <uros@kss-loka.si>
667 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
668 argument to HOST_WIDE_INT. Update function prototype.
669 (round_frame_size): Change return type to HOST_WIDE_INT. Change
670 "size" argument to HOST_WIDE_INT. Update function prototype.
672 2006-10-28 Uros Bizjak <uros@kss-loka.si>
674 * config/i386/i386.c (output_387_ffreep): Create output from a
675 template string for !HAVE_AS_IX86_FFREEP.
677 2006-10-27 Eric Christopher <echristo@apple.com>
679 * config/darwin.c: Fix formatting and grammar.
681 2006-10-27 Jan Hubicka <jh@suse.cz>
683 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
684 to be thrown away soon when IGNORE is set.
685 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
686 indicating when return value shall not be computed.
687 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
689 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
691 * config/i386/i386.h (TARGET_GEODE):
692 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
693 (TARGET_CPU_DEFAULT_geode): New macro.
694 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
695 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
696 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
697 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
698 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
700 (TARGET_CPU_DEFAULT_NAMES): Add geode.
701 (processor_type): Add PROCESSOR_GEODE.
703 * config/i386/i386.md: Include geode.md.
706 * config/i386/i386.c (geode_cost): New initialized global
708 (m_GEODE, m_K6_GEODE): New macros.
709 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
710 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
711 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
712 x86_schedule): Use m_K6_GEODE instead of m_K6.
713 (x86_movx, x86_cmove): Set up m_GEODE.
714 (x86_integer_DFmode_moves): Clear m_GEODE.
715 (processor_target_table): Add entry for geode.
716 (processor_alias_table): Ditto.
718 * config/i386/geode.md: New file.
720 * doc/invoke.texi: Add entry about geode processor.
722 2006-10-27 Mike Stump <mrs@apple.com>
724 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
725 __DYNAMIC__ from here back to ...
726 * config/darwin.h (CPP_SPEC): ... here.
728 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
729 Nathan Sidwell <nathan@codesourcery.com>
731 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
732 when choosing the minimum heapsize.
734 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
736 * gcc/unwind-dw2.h: Move cfa-related variables into
737 struct frame_state_reg_info to ensure that the CFA is properly
738 handled when executing DW_CFA_{remember,restore}_state.
739 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
740 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
741 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
742 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
743 gcc/config/rs6000/linux-unwind.h,
744 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
745 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
746 Modify to use new cfa_* fields.
748 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
750 * config/s390/s390.c (s390_init_frame_layout): Check positive
753 2006-10-26 Ben Elliston <bje@au.ibm.com>
755 * gimplify.c (get_name): Remove extraneous break.
756 (gimplify_omp_for): Initialise ret with GS_OK.
758 2006-10-25 Steve Ellcey <sje@cup.hp.com>
760 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
761 Add unix98.o to link line.
763 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
766 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
767 Calculate compile-time constants using MPFR.
768 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
769 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
771 2006-10-25 Bob Wilson <bob.wilson@acm.org>
773 * config/xtensa/lib2funcs.S: Use C-style comments.
775 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
777 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
778 (file_table_relative_p): Likewise.
779 (dwarf2out_finish): Likewise.
780 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
782 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
784 * tree-ssa-structalias.c (intra_create_variable_infos):
785 Don't recreate nonlocal_all if it already exists.
787 2006-10-25 Richard Guenther <rguenther@suse.de>
790 * optabs.h (enum optab_index): Remove OTI_lrint.
791 (enum convert_optab_index): Add COI_lrint.
792 (lrint_optab): Adjust.
793 (expand_sfix_optab): Declare.
794 * optabs.c (expand_sfix_optab): New function.
795 (init_optabs): Init lrint_optab as conversion optab.
796 * genopinit.c (lrint_optab): Change to a conversion optab.
797 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
798 expansion via conversion optab.
799 * config/i386/i386.md (*fistdi2_1): Remove
800 flag_unsafe_math_optimizations guard.
801 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
802 fist<mode>2_with_temp): Likewise.
803 (lrint<mode>2): Split into...
804 (lrintxf<mode>2): ... x87 part
805 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
806 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
807 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
808 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
809 * doc/md.texi (lrintMN2): Document.
811 2006-10-25 Uros Bizjak <uros@kss-loka.si>
814 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
815 Use inc and dec instructions for TARGET_USE_INCDEC.
816 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
817 ("sync_double_compare_and_swap<mode>"): Likewise.
818 ("*sync_double_compare_and_swapdi_pic"): Likewise.
819 ("*sync_compare_and_swap_cc<mode>"): Likewise.
820 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
821 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
822 ("sync_old_add<mode>"): Likewise.
823 ("sync_lock_test_and_set<mode>"): Likewise.
824 ("sync_lock_test_and_set<mode>"): Likewise.
825 ("sync_add<mode>"): Likewise.
826 ("sync_sub<mode>"): Likewise.
827 ("sync_ior<mode>"): Likewise.
828 ("sync_and<mode>"): Likewise.
829 ("sync_xor<mode>"): Likewise.
831 2006-10-25 Uros Bizjak <uros@kss-loka.si>
833 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
834 (remainder_optab): Define corresponding macro.
835 (drem_optab): Remove.
836 * optabs.c (init_optabs): Initialize remainder_optab. Remove
837 drem_optab initialization.
838 * genopinit.c (optabs): Implement remainder_optab using
839 remainder?f3 patterns. Remove drem_optab.
840 * builtins.c (expand_builtin_mathfn_2): Handle
841 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
842 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
843 expand_builtin_mathfn_2.
845 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
846 depend on flag_unsafe_math_optimizations.
848 * config/i386/i386.md ("remaindersf3", "remainderdf3")
849 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
850 Do not depend on flag_unsafe_math_optimizations. Use
851 truncxf?f expander instead of truncxf?f_i387_noop.
853 ("fpremxf4", "fprem1xf4"): Do not depend on
854 flag_unsafe_math_optimizations.
855 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
856 flag_unsafe_math_optimizations. Use truncxf?f expander
857 instead of truncxf?f_i387_noop.
859 * doc/md.texi (fmod, remainder): Document standard named pattern.
861 2006-10-24 Richard Sandiford <richard@codesourcery.com>
862 David Daney <ddaney@avtrex.com>
865 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
867 2006-10-25 Ben Elliston <bje@au.ibm.com>
869 * doc/extend.texi (Variable Attributes): Typo fix.
871 2006-10-24 Uros Bizjak <uros@kss-loka.si>
873 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
874 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
875 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
876 (FRAME_POINTER_REGNUM): Update register number to 21.
877 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
878 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
880 * config/i386/i386.c (regclass_map): Add fpcr entry.
881 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
883 (print_reg): Assert REGNO (x) != FPCR_REG.
885 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
886 (DIRFLAG_REG): Renumber.
887 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
888 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
889 (sse_prologue_save, *sse_prologue_save_insn): Renumber
890 hardcoded SSE register numbers.
892 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
893 hardcoded MMX register numbers.
895 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
898 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
899 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
901 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
902 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
903 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
904 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
906 2006-10-24 Richard Guenther <rguenther@suse.de>
909 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
910 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
911 for deciding optimizations in consistency with fold-const.c
912 (fold_builtin_unordered_cmp): Likewise.
914 2006-10-24 Richard Guenther <rguenther@suse.de>
916 * builtins.c (fold_builtin_floor): Fold floor (x) where
917 x is nonnegative to trunc (x).
918 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
919 nonnegative to FIX_TRUNC_EXPR.
921 2006-10-24 Richard Guenther <rguenther@suse.de>
923 PR tree-optimization/29567
924 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
925 for TRUTH_NOT_EXPR. Clarify comments.
927 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
930 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
931 at compile-time using MPFR. Change parameter VALUE to FUNC,
933 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
934 for overflow and underflow at all times and avoid folding in
937 2006-10-24 Ben Elliston <bje@au.ibm.com>
939 * reload1.c: Formatting fixes.
941 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
943 PR tree-optimization/14784
944 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
945 * tree-ssa-structalias.c (get_constraint_for,
946 intra_create_variable_infos): Set is_heapvar.
947 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
948 non-heapvar pointer variables specially.
950 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
953 * builtins.c (fold_builtin_sin, fold_builtin_cos,
954 fold_builtin_tan): Fold all constant arguments. Take a "type"
955 argument as necessary.
957 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
959 2006-10-23 Bob Wilson <bob.wilson@acm.org>
961 * config/xtensa/lib1funcs.asm: Use C-style comments.
963 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
965 * tree.c (local_define_builtin): Replace calls to
966 lang_hooks.builtin_function with add_builtin_function.
967 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
969 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
971 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
972 common code to add_builtin_function.
973 * langhooks.c (add_builtin_function): New function.
974 (lhd_builtin_function): New function.
975 * langhooks.h (struct lang_hooks): Change the signature of
977 (add_builtin_function): New function.
978 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
979 calls to lang_hooks.builtin_function with add_builtin_function.
980 * c-common.c (decl_builtin_1): Replace calls to
981 lang_hooks.builtin_function with add_builtin_function.
982 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
983 lang_hooks.builtin_function with add_builtin_function.
984 * config/frv/frv.c (def_builtin): Replace calls to
985 lang_hooks.builtin_function with add_builtin_function.
986 * config/s390/s390.c (s390_init_builtins): Replace calls to
987 lang_hooks.builtin_function with add_builtin_function.
988 * config/sparc/sparc.c (def_builtin): Replace calls to
989 lang_hooks.builtin_function with add_builtin_function.
990 * config/i386/i386.c (def_builtin): Replace calls to
991 lang_hooks.builtin_function with add_builtin_function.
992 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
993 lang_hooks.builtin_function with add_builtin_function.
994 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
995 lang_hooks.builtin_function with add_builtin_function.
996 * config/stormy16/stormy16.c (xstormy16_init_builtins):
997 Replace calls to lang_hooks.builtin_function with
998 add_builtin_function.
999 * config/iq2000/iq2000.c (def_builtin):
1000 Replace calls to lang_hooks.builtin_function with
1001 add_builtin_function.
1002 * config/ia64/ia64.c (def_builtin): Replace calls to
1003 lang_hooks.builtin_function with add_builtin_function.
1004 * config/rs6000/rs6000.c (def_builtin): Replace calls to
1005 lang_hooks.builtin_function with add_builtin_function.
1006 (altivec_init_builtins): Replace calls to
1007 lang_hooks.builtin_function with add_builtin_function.
1008 * config/arm/arm.c (def_mbuiltin): Replace calls to
1009 lang_hooks.builtin_function with add_builtin_function.
1010 (arm_init_tls_builtins): Replace calls to
1011 lang_hooks.builtin_function with add_builtin_function.
1012 * config/mips/mips.c (mips_init_builtins): Replace calls to
1013 lang_hooks.builtin_function with add_builtin_function.
1014 * config/bfin/bfin.c (def_builtin): Replace calls to
1015 lang_hooks.builtin_function with add_builtin_function.
1016 * langhooks-def.h (lhd_builtin_function): New function.
1017 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
1019 2006-10-23 Jakub Jelinek <jakub@redhat.com>
1021 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
1022 BUILT_IN_STRNCAT_CHK.
1024 2006-10-23 Jan Hubicka <jh@suse.cz>
1026 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
1027 don't do conversion from memmove to memcpy here.
1028 (expand_builtin_bcopy, expand_builtin): Update call of
1029 expand_builtin_memmove.
1030 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
1032 2006-10-23 Paul Brook <paul@codesourcery.com>
1034 * stor-layout.c (start_record_layout): maximum_field_alignment
1035 overrides STRUCTURE_SIZE_BOUNDARY.
1037 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
1039 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
1040 nonlocal function symbols if flag_pic.
1042 2006-10-23 Richard Guenther <rguenther@suse.de>
1046 * builtins.c (fold_binary): Remove checks for flag_wrapv
1047 and flag_trapv where negate_expr_p covers these cases.
1049 2006-10-23 Richard Guenther <rguenther@suse.de>
1052 * fold-const.c (fold_plusminus_mult_expr): Check exact power
1053 of two on the absolute value.
1054 (fold_binary): Fold x * -C to -x * C if x is easily negatable
1055 and negating -C does not overflow.
1057 2006-10-23 Richard Guenther <rguenther@suse.de>
1060 * convert.c (convert_to_real): Fold (float)-x to -(float)x
1061 only if not flag_rounding_math.
1063 2006-10-22 Richard Sandiford <richard@codesourcery.com>
1064 Kaz Kojima <kkojima@gcc.gnu.org>
1067 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
1068 SImode memory reference for the source of a movua.
1069 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
1070 (movua): Use an unspec instead of sign_extract. Expect the source
1071 to have mode BLKmode.
1072 (extv, insv): Use a BLKmode rather than SImode memory reference
1073 for the source of a movua.
1075 2006-10-22 Jeff Law <law@redhat.com>
1076 Richard Guenther <rguenther@suse.de>
1078 PR tree-optimization/15911
1079 * tree-vrp.c (extract_code_and_val_from_cond): New function.
1080 (register_edge_assert_for_1): Likewise.
1081 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
1082 (find_conditional_asserts): Adjust for new function signature.
1083 (find_assert_locations): Likewise.
1085 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
1087 * config/i386/tmmintrin.h: Remove the duplicated content.
1089 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
1091 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
1092 (x86_64-*-*): Likewise.
1094 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
1095 (override_options): Check SSSE3.
1096 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
1097 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
1098 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
1099 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
1100 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
1101 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
1102 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
1103 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
1104 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
1105 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
1106 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
1107 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
1108 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
1109 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
1110 IX86_BUILTIN_PABSD128.
1111 (bdesc_2arg): Add SSSE3.
1112 (bdesc_1arg): Likewise.
1113 (ix86_init_mmx_sse_builtins): Support SSSE3.
1114 (ix86_expand_builtin): Likewise.
1115 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
1117 * config/i386/i386.md (UNSPEC_PSHUFB): New.
1118 (UNSPEC_PSIGN): Likewise.
1119 (UNSPEC_PALIGNR): Likewise.
1120 Include mmx.md before sse.md.
1122 * config/i386/i386.opt: Add -mssse3.
1124 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
1125 (ssse3_phaddwv4hi3): Likewise.
1126 (ssse3_phadddv4si3): Likewise.
1127 (ssse3_phadddv2si3): Likewise.
1128 (ssse3_phaddswv8hi3): Likewise.
1129 (ssse3_phaddswv4hi3): Likewise.
1130 (ssse3_phsubwv8hi3): Likewise.
1131 (ssse3_phsubwv4hi3): Likewise.
1132 (ssse3_phsubdv4si3): Likewise.
1133 (ssse3_phsubdv2si3): Likewise.
1134 (ssse3_phsubswv8hi3): Likewise.
1135 (ssse3_phsubswv4hi3): Likewise.
1136 (ssse3_pmaddubswv8hi3): Likewise.
1137 (ssse3_pmaddubswv4hi3): Likewise.
1138 (ssse3_pmulhrswv8hi3): Likewise.
1139 (ssse3_pmulhrswv4hi3): Likewise.
1140 (ssse3_pshufbv16qi3): Likewise.
1141 (ssse3_pshufbv8qi3): Likewise.
1142 (ssse3_psign<mode>3): Likewise.
1143 (ssse3_psign<mode>3): Likewise.
1144 (ssse3_palignrti): Likewise.
1145 (ssse3_palignrdi): Likewise.
1146 (abs<mode>2): Likewise.
1147 (abs<mode>2): Likewise.
1149 * config/i386/tmmintrin.h: New file.
1151 * doc/extend.texi: Document SSSE3 built-in functions.
1153 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
1155 2006-10-22 Ira Rosen <irar@il.ibm.com>
1157 * tree-vect-transform.c (vectorizable_load): Use the type of the
1158 return value of the mask_for_load builtin to create realign_load
1161 2006-10-22 Richard Sandiford <richard@codesourcery.com>
1163 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
1166 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
1168 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
1169 (UNSPEC_LDDQU): This.
1170 * config/i386/sse.md (sse3_lddqu): Updated.
1172 2006-10-21 Richard Guenther <rguenther@suse.de>
1174 * builtins.c (expand_builtin_int_roundingfn_2): New function.
1175 (expand_builtin): Use it to expand lrint instead of
1176 expand_builtin_mathfn.
1178 2006-10-21 Uros Bizjak <uros@kss-loka.si>
1181 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
1182 flag_unsafe_math_optimizations is set.
1184 2006-10-21 Uros Bizjak <uros@kss-loka.si>
1187 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
1188 patterns to use memory input operand in x87->mem->XMM
1189 reload sequences. Skip transformation for TARGET_K8.
1191 2006-10-21 Uros Bizjak <uros@kss-loka.si>
1193 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
1194 force operand1 to register if both operands are memory operands.
1195 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
1196 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
1197 if both operands are memory operands.
1198 (truncdfsf2): Do not force operand1 to register if both operands
1199 are memory operands.
1201 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1203 * Makefile.in (LIBS): Add $(GMPLIBS).
1204 * doc/install.texi: Update GMP and MPFR requirements.
1205 * doc/sourcebuild.texi (need_gmp): Delete.
1207 2006-10-21 Richard Guenther <rguenther@suse.de>
1209 PR tree-optimization/3511
1210 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
1211 got new invariant arguments during PHI translation.
1213 2006-10-21 Richard Guenther <rguenther@suse.de>
1216 * fold-const.c (fold_comparison): Fold signed comparisons
1217 of the form X +- C1 CMP Y +- C2.
1219 2006-10-21 Richard Guenther <rguenther@suse.de>
1222 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
1223 if flag_unsafe_math_optimizations is specified. We have
1224 flag_finite_math_only for that.
1225 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
1226 or flag_unsafe_math_optimizations.
1228 2006-10-21 Richard Guenther <rguenther@suse.de>
1230 * builtins.c (fold_builtin_classify): Fix typo.
1232 2006-10-21 Richard Guenther <rguenther@suse.de>
1235 * simplify-rtx.c (simplify_const_relational_operation):
1236 Do not constant-fold ORDERED and UNORDERED for
1237 flag_unsafe_math_optimizations but only we do not need to
1238 honor NaNs for the given mode.
1240 2006-10-21 Richard Guenther <rguenther@suse.de>
1243 * config/i386/i386.c (classify_argument): Remove redundant
1244 walking of the BINFOs.
1245 (contains_128bit_aligned_vector_p): Likewise.
1247 2006-10-20 Mark Mitchell <mark@codesourcery.com>
1249 * BASE-VER: Set to 4.3.0.
1251 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
1253 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
1254 (tree_decl_with_vis): Remove artificial_pta_var flag.
1255 * tree-flow.h (referenced_var_check_and_insert): Expose.
1256 (nonlocal_all): New prototype.
1257 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
1258 (nonlocal_all): Make global.
1259 (nonlocal_lookup): Remove.
1260 (nonlocal_insert): Ditto.
1261 (create_nonlocal_var): Do not call nonlocal_insert.
1262 (get_nonlocal_id_for_type): Remove.
1263 (find_global_initializers): Mark new vars we find for renaming.
1264 (intra_create_variable_infos): Only create one nonlocal.
1265 (expand_nonlocal_solutions): Remove.
1266 (compute_points_to_sets): Don't call it.
1267 (ipa_pta_execute): Ditto.
1268 (init_alias_heapvars): Don't create nonlocal_for_type.
1269 (delete_alias_heapvars): Don't remove it.
1270 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
1273 2006-10-19 Brooks Moses <bmoses@stanford.edu>
1275 * doc/install.texi (Downloading GCC): Clarify mention of
1276 Fortran in the "full distribution" description.
1278 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
1280 Fix PR tree-optimization/28778
1281 Fix PR tree-optimization/29156
1282 Fix PR tree-optimization/29415
1283 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
1284 (tree_decl_with_vis): Add artificial_pta_var flag.
1285 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
1286 pushed into callers.
1287 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
1288 (nonlocal_all): Ditto.
1289 (struct variable_info): Add directly_dereferenced member.
1290 (var_escaped_vars): New variable.
1291 (escaped_vars_tree): Ditto.
1292 (escaped_vars_id): Ditto.
1293 (nonlocal_vars_id): Ditto.
1294 (new_var_info): Set directly_dereferenced.
1295 (graph_size): New variable
1296 (build_constraint_graph): Use graph_size.
1297 (solve_graph): Don't process constraints that cannot change the
1298 solution, don't try to propagate an empty solution to our
1300 (process_constraint): Set directly_dereferenced.
1301 (could_have_pointers): New function.
1302 (get_constraint_for_component_ref): Don't process STRING_CST.
1303 (nonlocal_lookup): New function.
1304 (nonlocal_insert): Ditto.
1305 (create_nonlocal_var): Ditto.
1306 (get_nonlocal_id_for_type): Ditto.
1307 (get_constraint_for): Allow results vector to be empty in the case
1308 of string constants.
1309 Handle results of calls properly.
1310 (update_alias_info): Update alias info stats on number and type of
1312 (find_func_aliases): Use could_have_pointers.
1313 (make_constraint_from_escaped): Renamed from
1314 make_constraint_to_anything, and changed to make constraints from
1316 (make_constraint_to_escaped): New function.
1317 (find_global_initializers): Ditto.
1318 (create_variable_info_for): Make constraint from escaped to any
1319 global variable, and from any global variable to the set of
1321 (intra_create_variable_infos): Deal with escaped instead of
1322 pointing to anything.
1323 (set_uids_in_ptset): Do type pruning on directly dereferenced
1325 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
1326 (init_base_vars): Fix comment, and initialize escaped_vars.
1327 (need_to_solve): Removed.
1328 (find_escape_constraints): New function.
1329 (expand_nonlocal_solutions): Ditto.
1330 (compute_points_to_sets): Call find_escape_constraints and
1331 expand_nonlocal_solutions.
1332 (delete_points_to_sets): Don't fall off the end of the graph.
1333 (init_alias_heapvars): Initialize nonlocal_for_type and
1335 (delete_alias_heapvars): Free nonlocal_for_type and null out
1338 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
1340 * fold-const.c (add_double): Rename to add_double_with_sign.
1341 Add 'unsigned_p' parameter and take it into account for the overflow.
1342 (mul_double): Rename to mul_double_with_sign.
1343 Add 'unsigned_p' parameter and take it into account for the overflow.
1344 (fold_div_compare): Call add_double_with_sign instead of add_double
1345 and mul_double_with_sign instead of mul_double, passing them the
1346 unsignedness of the type.
1347 * tree.h (add_double): Macroize.
1348 (add_double_with_sign): New prototype.
1349 (mul_double): Macroize.
1350 (mul_double_with_sign): New prototype.
1352 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
1354 * config/score/crti.asm: New file.
1355 * config/score/crtn.asm: New file.
1356 * config/score/elf.h: New file.
1357 * config/score/mac.md: New file.
1358 * config/score/misc.md: New file.
1359 * config/score/mul-div.S: New file.
1360 * config/score/predicates.md: New file.
1361 * config/score/score7.md: New file.
1362 * config/score/score.c: New file.
1363 * config/score/score-conv.h: New file.
1364 * config/score/score.h: New file.
1365 * config/score/score.md: New file.
1366 * config/score/score-mdaux.c: New file.
1367 * config/score/score-mdaux.h: New file.
1368 * config/score/score-modes.def: New file.
1369 * config/score/score.opt: New file.
1370 * config/score/score-protos.h: New file.
1371 * config/score/score-version.h: New file.
1372 * config/score/t-score-elf: New file.
1373 * config.gcc: Add score*-*-* configurations(Update before).
1374 * doc/invoke.texi (Score Options): New section.
1375 * doc/md.texi (Score family): New section to document constraints.
1377 2006-10-19 Nick Clifton <nickc@redhat.com>
1379 * config/arm/arm.c: Fix spelling typo.
1381 2006-10-18 Tom Tromey <tromey@redhat.com>
1383 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
1385 2006-10-18 Jan Hubicka <jh@suse.cz>
1388 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
1391 2006-10-18 Marcin Dalecki <martin@dalecki.de>
1393 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
1394 TSI_SAME_STMT, since that's the desired entity.
1396 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
1398 * config/s390/contraints.md: New file.
1399 * config/s390/s390-protos.h (s390_mem_constraint,
1400 s390_O_constraint_str, s390_N_constraint_str,
1401 s390_float_const_zero_p): Function prototypes added.
1402 * config/s390/s390.c (s390_extra_constraint_str,
1403 s390_const_double_ok_for_constraint_p,
1404 s390_const_ok_for_constraint_p): Functions removed.
1405 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
1406 s390_float_const_zero_p): New functions.
1407 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
1408 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
1409 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
1410 Macro definitions removed.
1411 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
1412 s390_extra_constraint_str): Functions removed.
1414 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
1415 Richard Sandiford <richard@codesourcery.com>
1418 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
1419 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
1421 2006-10-16 Geoffrey Keating <geoffk@apple.com>
1423 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
1424 (DWARF2_FRAME_REG_OUT): Likewise.
1425 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
1426 (DWARF2_FRAME_REG_OUT): Likewise.
1428 2006-10-17 Paul Brook <paul@codesourcery.com>
1430 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
1432 2006-10-16 Brooks Moses <bmoses@stanford.edu>
1434 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
1435 Standardize on "GNU Fortran" as the official name of the Fortran
1438 2006-10-16 Mike Stump <mrs@apple.com>
1440 * doc/invoke.texi (Darwin Options): Document -mkernel.
1441 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
1443 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
1444 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
1445 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
1446 (OS_MISSING_ALTIVEC): Add.
1447 * config/i386/i386.c (override_options): Add
1448 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
1449 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
1450 -mkernel, -static or -mdynamic-no-pic is given.
1451 (C_COMMON_OVERRIDE_OPTIONS): Add.
1452 * config/darwin.opt (fapple-kext): Add.
1454 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
1455 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
1457 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
1458 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
1459 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
1460 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
1461 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
1462 (flag_mkernel): Add.
1463 (flag_apple_kext): Add.
1464 (TARGET_KEXTABI): Add.
1465 * config/darwin.c (darwin_handle_kext_attribute): Add.
1466 (DARWIN_VTABLE_P): Add.
1467 (darwin_binds_local_p): Add partial support for rebinding vtables
1469 (darwin_kextabi_p): Add.
1470 (darwin_override_options): Add.
1471 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
1472 (darwin_kextabi_p): Add.
1473 (darwin_override_options): Add.
1474 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
1475 __DYNAMIC__ and __STATIC__ here.
1477 2006-10-16 Brooks Moses <bmoses@stanford.edu>
1479 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
1480 Added mention of "make pdf" target, and Texinfo requirements for
1483 2006-10-16 DJ Delorie <dj@redhat.com>
1485 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
1486 into the GOT in case we need a subreg of the address.
1488 2006-10-16 Richard Guenther <rguenther@suse.de>
1491 * doc/extend.texi (X86 Built-in Functions): Fix typos in
1492 SSE builtin documentation. Document SSE2 builtins.
1494 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1496 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
1497 symbol in the output file for non-shared links when -nostdlib or
1498 -nodefaultlibs isn't specified.
1500 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
1501 posix thread support.
1503 2006-10-15 Jan Hubicka <jh@suse.cz>
1506 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
1507 declared always_inline even when not inlining.
1509 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
1510 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1511 Andrew Pinski <pinskia@gmail.com>
1514 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
1516 2006-10-15 Jan Hubicka <jh@suse.cz>
1517 Richard Guenther <rguenther@suse.de>
1520 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
1521 process_function_and_variable_attributes on all variables, including
1522 those discovered during cgraph construction phase.
1524 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
1526 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
1528 2006-10-14 Uros Bizjak <uros@kss-loka.si>
1530 * config/i386/athlon.md (athlon_fist): Add fisttp.
1532 2006-10-13 David Edelsohn <edelsohn@gnu.org>
1533 Ian Lance Taylor <ian@airs.com>
1536 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
1537 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
1540 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
1542 * config/score/score.c, config/score/score.h: Fix comment
1545 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1548 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
1551 2006-10-13 Eric Christopher <echristo@apple.com>
1553 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
1555 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1558 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1559 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
1560 alignment supported by 32-bit ELF.
1562 2006-10-13 Eric Christopher <echristo@apple.com>
1564 * config/darwin.c (darwin_emit_unwind_label): Strip
1565 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
1567 2006-10-13 Richard Guenther <rguenther@suse.de>
1569 PR tree-optimization/29446
1570 * tree-vrp.c (fix_equivalence_set): Remove.
1571 (extract_range_from_assert): Do not call fix_equivalence_set.
1572 (debug_value_range): Print a newline.
1573 (compare_name_with_value): For equivalence sets with
1574 inconsistent value ranges conservatively bail out.
1575 (compare_names): Likewise.
1577 2006-10-13 David Edelsohn <edelsohn@gnu.org>
1579 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
1580 and MPFR for gfortran.
1582 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1584 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
1585 alignment supported by 32-bit ELF.
1587 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
1591 * c-typeck.c (digest_init): Always allow initializing vectors
1592 that have static storage duration with compound literals.
1593 * tree.c (build_type_attribute_qual_variant): New, based on
1594 build_type_attribute_variant.
1595 (build_type_attribute_variant): Rewrite using the former.
1596 (make_vector_type): Use build_type_attribute_qual_variant to build
1597 type variants. Use type_hash_canon on the others.
1599 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
1600 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
1602 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
1604 2006-10-12 Jan Hubicka <jh@suse.cz>
1607 * c-decl.c (c_make_fname_decl): Do not segfault in case where
1608 current_function_decl is set but current_function_scope is not.
1610 2006-10-12 Jie Zhang <jie.zhang@analog.com>
1612 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
1613 emit_insn to emit eh_return_internal instruction.
1614 (eh_return_internal): Explicitly set pc.
1616 2006-10-11 Richard Guenther <rguenther@suse.de>
1618 PR tree-optimization/28230
1619 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
1620 to the correct place.
1622 2006-10-11 Richard Guenther <rguenther@suse.de>
1625 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
1628 2006-10-10 Brooks Moses <bmoses@stanford.edu>
1630 * configure.ac: Added pdf to "Make-hooks"
1631 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
1632 targets and *.pdf file patterns in cleanup targets.
1633 * configure: Regenerated.
1635 2006-10-10 Anatoly Sokolov <aesok@post.ru>
1637 * config/avr/predicates.md: New file.
1638 * config/avr/avr.md: Include it.
1639 (REG_SP): New constant.
1640 (peepholes): Use predicates.
1641 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
1642 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
1643 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
1645 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
1647 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
1650 2006-10-10 Jakub Jelinek <jakub@redhat.com>
1653 * builtins.c (var_decl_component_p): New function.
1654 (fold_builtin_memset, fold_builtin_memory_op): Restrict
1655 single entry optimization to variables and components thereof.
1657 2006-10-10 Richard Guenther <rguenther@suse.de>
1659 PR rtl-optimization/29323
1660 * except.c (set_nothrow_function_flags): For functions
1661 that do not bind local bail out early.
1663 2006-10-10 Ben Elliston <bje@au.ibm.com>
1665 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
1668 2006-10-09 Richard Henderson <rth@redhat.com>
1670 Revert emutls patch.
1672 2006-10-09 Richard Guenther <rguenther@suse.de>
1675 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
1678 2006-10-09 Steve Ellcey <sje@cup.hp.com>
1681 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
1682 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
1683 * configure: Regenerate.
1684 * config.in: Regenerate.
1686 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
1688 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
1690 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1692 * config/mips/mips.c (mips_legitimize_tls_address): Implement
1693 all TLS models in the same way as local exec if !TARGET_ABICALLS.
1694 Remove stray newline.
1696 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1698 * config/mips/mips.c (mips_classify_symbol): Do not return
1699 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
1700 (mips_in_small_data_p): Tweak comments.
1702 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1704 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
1706 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
1708 * gimplify.c, sched-int.h: Fix comment typos.
1710 * sched-int.h: Fix comment typos.
1712 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1714 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
1716 * sched-ebb.c (begin_schedule_ready): Use them.
1717 * haifa-sched.c (schedule_insn, move_insn, try_ready,
1718 add_to_speculative_block, create_check_block_twin, speculate_insn,
1719 fix_jump_move, move_block_after_check): Ditto.
1720 * sched-rgn.c (new_ready): Ditto.
1722 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1724 PR rtl-optimization/29128
1725 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
1726 * sched-ebb.c (advance_target_bb): Use it to fix condition to
1727 allow interblock movement of speculation checks.
1729 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
1732 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
1733 casted to integer type.
1734 (get_address_cost): Decrease cost of [symbol + index] addressing modes
1735 if they are significantly more expensive than [reg + index] ones.
1737 2006-10-06 Jakub Jelinek <jakub@redhat.com>
1739 PR tree-optimization/29330
1740 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
1741 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
1742 on newly allocated ddrs.
1743 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
1744 to VEC (loop_p, heap) pointer.
1745 (compute_data_dependences_for_loop): Adjust caller.
1746 (free_dependence_relations): Free DDR_LOOP_NEST.
1748 * tree-loop-linear.c (linear_transform_loops): Don't forget to
1749 free DEPENDENCE_RELATIONS and DATAREFS.
1752 * builtins.c (expand_builtin_sync_operation,
1753 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
1754 Use convert_to_mode to handle promoted arguments.
1756 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
1758 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
1760 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
1762 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
1764 2006-10-05 Uros Bizjak <uros@kss-loka.si>
1766 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
1767 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
1768 Use <modeconstraint> instead of "r" as operand 1 constraint.
1770 2006-10-06 Olivier Hainque <hainque@adacore.com>
1772 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
1773 Don't recurse on the pointed-to type.
1774 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
1775 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
1776 types with components of variable size.
1778 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
1780 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
1782 2006-10-06 Jakub Jelinek <jakub@redhat.com>
1784 PR tree-optimization/29290
1785 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
1789 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
1790 * config/i386/predicates.md (local_symbolic_operand): Likewise.
1793 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
1794 the number of vector elements fill the rest with zeros.
1796 2006-10-05 Richard Sandiford <richard@codesourcery.com>
1798 * config/mips/mips.c (mips_pass_by_reference): Do not return false
1799 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
1802 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
1804 * config/bfin/bfin.md (subsi3): Lose expander, change previously
1805 unnamed pattern into subsi3. Use correct constraints/predicates.
1806 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
1807 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
1809 2006-10-05 Ira Rosen <irar@il.ibm.com>
1811 * doc/loop.texi: Add data references analysis description.
1813 2006-10-04 Brooks Moses <bmoses@stanford.edu>
1815 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
1817 2006-10-04 Richard Henderson <rth@redhat.com>
1818 Jakub Jelinek <jakub@redhat.com>
1820 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
1821 * builtin-types.def (BT_WORD): Make unsigned.
1822 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
1823 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
1824 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
1825 * c-decl.c (grokdeclarator): Don't error if !have_tls.
1826 * c-parser.c (c_parser_omp_threadprivate): Likewise.
1827 * cgraph.c (decide_is_variable_needed): Look at force_output.
1828 Recurse for emulated tls.
1829 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
1830 checks redundant with decide_is_variable_needed.
1831 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
1832 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
1834 * expr.c (emutls_var_address): New.
1835 (expand_expr_real_1): Expand emulated tls.
1836 (expand_expr_addr_expr_1): Likewise.
1837 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
1838 * output.h (emutls_finish): Declare.
1839 * toplev.c (compile_file): Call it.
1840 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
1841 address before wrapping in CONST.
1842 * varasm.c (emutls_htab, emutls_object_type): New.
1843 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
1844 (get_emutls_object_name, get_emutls_object_type): New.
1845 (get_emutls_init_templ_addr, emutls_decl): New.
1846 (emutls_common_1, emutls_finish): New.
1847 (assemble_variable): When emulating tls, swap decls; generate
1848 constructor for the emutls objects.
1849 (do_assemble_alias): When emulating tls, swap decl and target name.
1850 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
1852 * emutls.c: New file.
1853 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
1854 tls_object for real tls.
1856 2006-10-04 Zack Weinberg <zackw@panix.com>
1858 Fix bug in constraint-check generator, reported by Rask Ingemann
1860 * genpreds.c (add_constraint): Don't remove anything from the
1862 (write_tm_constrs_h): Detect whether "op" argument is used, and
1863 mark it ARG_UNUSED if it isn't.
1864 (write_insn_const_int_ok_for_constraint): Skip the part of the
1865 expression that would test whether "op" (which is not available
1866 here) is a CONST_INT.
1868 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
1871 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
1873 2006-10-03 Geoffrey Keating <geoffk@apple.com>
1875 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
1876 current Leopard versions.
1877 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
1879 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
1881 * doc/install.texi: Fix typos.
1883 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
1885 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
1886 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
1887 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
1889 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
1891 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
1892 arg to be struct mach_header_64* instead.
1894 2006-10-02 Jakub Jelinek <jakub@redhat.com>
1897 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
1898 side effects after the outer expression's post side effects.
1900 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
1902 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
1903 comments to reflect actual behavior and relationship between
1904 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
1906 * doc/c-tree.texi (Working with declarations): Fix documentation
1907 of FIELD_DECL likewise.
1909 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
1912 * doc/extend.texi: Add used variable attribute description.
1914 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
1917 * c.opt (Woverride-init): New.
1918 * c-opts.c (c_common_post_options): Default warn_override_init to
1920 * c-typeck.c (add_pending_init, output_init_element): Warn for
1921 overriding initializers without side effects.
1922 * doc/invoke.texi (-Woverride-init): Document.
1925 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
1927 PR rtl-optimization/28096
1928 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
1929 assignment has already been used as a destination earlier in the block.
1931 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
1933 * builtins.c (expand_builtin_setjmp): Delete.
1934 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
1935 <BUILT_IN_SETJMP_SETUP>: New case.
1936 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
1937 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
1938 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
1939 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
1940 (BUILT_IN_SETJMP_RECEIVER): Likewise.
1941 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
1942 (lower_function_body): Initialize it to false. If it is set to true
1943 at the end of the processing, emit the setjmp dispatcher.
1944 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
1945 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
1946 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
1947 on the rhs of the assignment.
1948 (lower_builtin_setjmp): New function.
1949 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
1950 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
1951 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
1952 to detect calls that can go to non-local labels. Use specific
1953 helper to create the abnormal edges associated with them.
1954 <MODIFY_EXPR>: Likewise.
1955 (make_abnormal_goto_edges): New function extracted from...
1956 (make_goto_expr_edges): ...here. Call it for computed gotos.
1957 (simple_goto_p): Minor tweak.
1958 (tree_can_make_abnormal_goto): New predicate.
1959 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
1960 (tree_purge_dead_abnormal_call_edges): New function.
1961 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
1962 (tree_purge_dead_abnormal_call_edges): Likewise.
1963 (make_abnormal_goto_edges): Likewise.
1964 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
1965 Purge all dead abnormal edges if the call was in the last statement.
1966 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
1967 (execute_fixup_cfg): If there are non-local labels in the function,
1968 scan the basic blocks and split them at calls that can go to non-local
1969 labels or add missing abnormal call edges. Write down the CFG in the
1971 (pass_fixup_cfg): Remove TODO_dump_func flag.
1972 * unwind-sjlj.c: Poison setjmp.
1973 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
1974 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
1975 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
1976 (DONT_USE_BUILTIN_SETJMP): Document it.
1978 2006-09-28 Geoffrey Keating <geoffk@apple.com>
1981 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
1982 to 1 when __ppc64__ is defined.
1983 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
1985 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
1987 2006-09-28 Steve Ellcey <sje@cup.hp.com>
1989 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
1990 * config/ia64/unwind-hpux.c: Delete.
1992 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
1994 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
1995 on the element before gimplifying it, instead of punting if it is of
1998 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
2000 * doc/loop.texi: New file.
2001 * doc/gccint.texi: Reference loop.texi.
2002 * Makefile.in (loop.texi): Add.
2004 2006-09-27 Geoffrey Keating <geoffk@apple.com>
2006 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
2008 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
2009 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
2011 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
2013 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
2015 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
2017 * doc/install.texi: Document required versions of GMP and MPFR.
2019 2006-09-27 Paul Brook <paul@codesourcery.com>
2022 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
2024 2006-09-27 Richard Sandiford <richard@codesourcery.com>
2026 * reload1.c (alter_reg): Require the alignment of the stack slot to
2027 be at least reg_max_ref_width bytes.
2028 (scan_paradoxical_subregs): Record the largest width in
2031 2006-09-26 Jakub Jelinek <jakub@redhat.com>
2035 * tree-nested.c (struct nesting_info): Added static_chain_added.
2036 (convert_call_expr): Set static_chain_added when adding static
2037 chain. Handle OMP_PARALLEL and OMP_SECTION.
2039 2006-09-25 Matthias Klose <doko@debian.org>
2041 * doc/invoke.texi: Add missing full stop.
2043 2006-09-25 Richard Henderson <rth@redhat.com>
2045 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
2046 before cgraph_function_flags_ready.
2048 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
2049 Adam Nemet <anemet@caviumnetworks.com>
2051 * tree-ssa-loop-ivopts.c (aff_combination_convert,
2052 determine_common_wider_type): New functions.
2053 (get_computation_aff): Use them to simplify arithmetic between
2054 UBASE and CBASE if they are shortened from the same type.
2056 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
2059 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
2060 -2147483647 - 1 instead of 0x80000000.
2062 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
2064 * flags.h (HONOR_NANS): Fix typo in comment.
2066 2006-09-23 Uros Bizjak <uros@kss-loka.si>
2068 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
2070 2006-09-23 Jakub Jelinek <jakub@redhat.com>
2074 * tree.c (merge_attributes, attribute_list_contained): If both
2075 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
2077 * c-typeck.c (comptypes_internal): Don't consider aggregates
2078 in different TUs as compatible if there one set of attributes is
2079 not a subset of the other type's attributes.
2080 (composite_type): Try harder not to create a new aggregate type.
2082 2006-09-22 Geoffrey Keating <geoffk@apple.com>
2084 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
2085 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
2086 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
2087 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
2088 than replicating condition above.
2089 * config.host (i[34567]86-*-*): Always use driver-i386.o.
2091 * config/darwin.h (LINK_SYSROOT_SPEC): New.
2092 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
2093 the linker by default.
2095 2006-09-22 Mike Stump <mrs@apple.com>
2097 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
2100 2006-09-22 Richard Guenther <rguenther@suse.de>
2103 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
2104 sort of stack variables stable.
2106 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
2109 * explow.c (force_reg): Set REG_POINTER flag according to
2112 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
2114 PR tree-optimization/28888
2115 * tree-if-conv.c (combine_blocks): Rewritten.
2116 * tree-cfg.c (tree_verify_flow_info): Check that edges with
2117 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
2119 2006-09-22 Jakub Jelinek <jakub@redhat.com>
2121 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
2124 2006-09-21 Richard Sandiford <richard@codesourcery.com>
2126 * varasm.c (copy_constant): Fix reversed gcc_assert check.
2128 2006-09-21 Janis Johnson <janis187@us.ibm.com>
2130 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
2132 2006-09-21 Roger Sayle <roger@eyesopen.com>
2135 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
2136 dw_fde_current_label, to be the start of the function, i.e. the same
2137 value as dw_fde_begin.
2139 2006-09-20 Richard Sandiford <richard@codesourcery.com>
2141 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
2142 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
2143 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
2144 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
2145 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
2146 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
2147 (abs<mode>2, neg<mode>2): Likewise.
2148 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
2149 (*mips_abs_ps): New define_insn.
2151 2006-09-20 Josh Conner <jconner@apple.com>
2154 * calls.c (expand_call): Allow reuse of structure return stack
2157 2006-09-20 Paul Brook <paul@codesourcery.com>
2159 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
2162 2006-09-20 Janis Johnson <janis187@us.ibm.com>
2164 * doc/extend.texi (Decimal Float): Update for latest draft TR,
2165 clean up terminology.
2167 2006-09-20 Steve Ellcey <sje@cup.hp.com>
2170 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
2171 with tablejumps in them.
2173 2006-09-20 Jakub Jelinek <jakub@redhat.com>
2176 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
2177 wrap it into TARGET_EXPR.
2179 2006-09-20 Eric Christopher <echristo@apple.com>
2181 * config/i386/i386.c (x86_fisttp): Remove.
2182 * config/i386/i386.h (x86_fisttp): Ditto.
2183 (TARGET_FISTTP): Ditto.
2185 2006-09-19 Eric Christopher <echristo@apple.com>
2187 * doc/tm.texi (OBJC_JBLEN): Describe.
2188 * config/i386/darwin.h (OBJC_JBLEN): Define.
2189 * config/rs6000/darwin.h: Ditto.
2191 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
2193 PR rtl-optimization/21299
2194 * reload1.c (reload): Purge invalid ASMs in the final pass.
2196 2006-09-19 Steve Ellcey <sje@cup.hp.com>
2199 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
2200 pointers as legitimate constants.
2202 2006-09-19 Paul Brook <paul@codesourcery.com>
2205 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
2207 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
2209 PR tree-optimization/28887
2210 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
2211 component parts from the reference.
2212 (gather_memory_references_ref): Record the reference without the
2213 nonaddressable component parts.
2215 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
2218 * c-opts.c (c_common_handle_option): Ignore the -std options
2219 if the input language is assembly.
2221 2006-09-17 Ira Rosen <irar@il.ibm.com>
2224 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
2226 (ptr_ptr_may_alias_p): Likewise.
2227 (record_record_differ_p): New function.
2228 (base_object_differ_p): Call record_record_differ_p.
2230 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
2233 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
2234 away for the expr argument.
2236 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
2239 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
2240 before using it for dumping after vectorizing loops.
2242 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
2243 Jack Howarth <howarth@bromo.med.uc.edu>
2246 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
2247 skip on error_mark_node.
2248 (rs6000_darwin64_record_arg_recurse): Likewise.
2250 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
2252 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
2253 * doc/rtl.texi: Remove related documentation.
2255 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
2257 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
2260 2006-09-15 Jim Wilson <wilson@specifix.com>
2262 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
2263 Handle symbol offsets same as they are handled in ia64_expand_move
2266 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
2268 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
2269 Add forgotten parameter to the fprintf call.
2271 2006-09-15 Steve Ellcey <sje@cup.hp.com>
2273 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
2275 2006-09-15 Uros Bizjak <uros@kss-loka.si>
2277 * doc/contrib.texi: Add my entry.
2279 2006-09-15 Nick Clifton <nickc@redhat.com>
2281 * doc/md.texi (Processor pipeline description): Fix typo in
2282 example of how to use the absence_set directive and reword the
2283 description to make it slightly easier to read.
2285 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
2287 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
2288 * loop-doloop.c (doloop_optimize): Use it to limit costs of
2289 expanding the number of iterations.
2290 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
2292 * cfgrtl.c (emit_insn_at_entry): New function.
2293 * rtl.h (emit_insn_at_entry): Declare it.
2294 * integrate.c (emit_initial_value_sets): Use it.
2296 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
2298 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
2300 (struct loop_work and related VEC declarations): Delete.
2301 (bfin_dump_loops): Print out new member bad.
2302 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
2303 (bfin_scan_loop): Don't recurse.
2304 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
2305 loops. No longer need to update outer loops if the current one is
2306 found bad. Move some validitiy checks to bfin_discover_loop.
2307 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
2308 but changed not to check for nesting. Also changed to use the new bad
2310 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
2311 time. Use bitmap based test to discover loop nesting.
2313 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
2315 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
2318 2006-09-14 Richard Guenther <rguenther@suse.de>
2319 Kazu Hirata <kazu@codesourcery.com>
2321 PR middle-end/28884.
2322 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
2323 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
2324 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
2325 with TARGET_FUNCTION_VALUE.
2327 2006-09-14 Anatoly Sokolov <aesok@post.ru>
2330 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
2332 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
2334 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
2337 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
2340 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
2343 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
2345 * basic_block.h (bb_has_eh_pred): Fix comment.
2347 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
2349 * flow.c (calculate_global_regs_live): Invalidate eh registers
2350 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
2351 (propagate_block): Handle eh registers as if they were set at basic
2353 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
2355 * global.c (global_conflicts): Make eh registers to conflict with
2356 pseudos live at basic block begin.
2357 * basic_block.h (bb_has_eh_pred): New function.
2359 2006-09-13 Richard Sandiford <richard@codesourcery.com>
2361 PR rtl-optimization/28982
2362 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
2363 index of a PRE_MODIFY or POST_MODIFY address.
2364 * reload1.c (inc_for_reload): Use find_replacement on the original
2365 base and index registers.
2367 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
2369 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
2370 for -Os. Update __m128 alignment requirement.
2372 2006-09-13 Jan Hubicka <jh@suse.cz>
2374 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
2376 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
2378 PR rtl-optimization/28243
2379 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
2380 the insn to which the note was originally attached.
2382 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
2383 Roger Sayle <roger@eyesopen.com>
2385 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
2386 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
2387 on platforms that don't use dwarf for debug info.
2389 2006-09-12 Jason Merrill <jason@redhat.com>
2392 * builtins.c (expand_builtin_setjmp_receiver): Clobber
2393 hard_frame_pointer_rtx after using it to update the frame pointer.
2395 2006-09-12 Roger Sayle <roger@eyesopen.com>
2397 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
2398 (TARGET_ASM_CLOSE_PAREN): Likewise.
2399 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
2400 (TARGET_ASM_CLOSE_PAREN): Likewise.
2402 2006-09-12 Roger Sayle <roger@eyesopen.com>
2405 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
2406 frame information for frames larger than 512 Kbytes on Tru64 when
2407 using the native assembler.
2409 2006-09-12 Roger Sayle <roger@eyesopen.com>
2413 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
2414 and symbols. Instead use the implementation from cse.c's hash_rtx.
2416 2006-09-12 Jan Hubicka <jh@suse.cz>
2418 PR rtl-optimization/28071
2419 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
2420 (vect_transform_loop): Likewise.
2421 * tree-vectorizer.c (new_loop_vec_info): Likewise.
2422 (new_loop_vec_info): Likewise.
2423 (destroy_loop_vec_info): Likewise.
2424 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
2425 (create_stmt_ann): Likewise.
2426 (create_tree_ann): Rename to ...
2427 (create_tree_common_ann): ... this one; allocate only the common part
2429 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
2430 (get_value_handle): Likewise.
2431 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
2432 get_tree_common_ann.
2433 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
2434 (vinfo_for_stmt): Use stmt annotations.
2435 * tree-flow.h (tree_ann_common_t): New type.
2436 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
2437 (tree_ann, get_tree_ann, create_tree_ann): New.
2438 * tree-flow-inline.h (get_function_ann): Do more type checking.
2439 (stmt_ann): Likewise.
2440 (tree_ann): Rename to ...
2441 (tree_common_ann): ... this one; return ony common_ann
2442 (get_tree_ann): Rename to ...
2443 (tree_common_ann): This one; return only common_ann.
2444 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
2447 2006-09-11 Geoffrey Keating <geoffk@apple.com>
2449 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
2450 with_cpu by default.
2452 * dwarf2out.c (dwarf_file_data): New.
2453 (enum dw_val_class): Add dw_val_class_file.
2454 (struct dw_val_struct): Add val_file.
2455 (file_table): Change to a hash table.
2456 (file_table_emitted): Delete.
2457 (file_table_last_lookup_index): Delete.
2458 (emitcount): Delete.
2459 (last_emitted_file): New.
2460 (lookup_filename): Change prototype to return a struct dwarf_file_data.
2461 (init_file_table): Delete.
2462 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
2463 (AT_addr): Add comment.
2467 (print_die): Handle dw_val_class_file.
2468 (print_dwarf_line_table): Update for new file table structure.
2469 (attr_checksum): Do checksum a filename.
2470 (same_dw_val_p, same_attr_p): Do compare a filename.
2471 (size_of_die): Handle dw_val_class_file.
2472 (value_format): Likewise.
2473 (output_die): Likewise. Also, call maybe_emit_file here.
2474 (struct file_info): Constify filenames. Make file_idx a pointer
2475 to a struct dwarf_file_data.
2476 (struct dir_info): Constify directory names. Remove 'used' field.
2477 (struct file_name_acquire_data): New.
2478 (file_name_acquire): New.
2479 (output_file_names): Modify to handle new file data structures.
2480 (add_src_coords_attributes): Use add_AT_file.
2481 (add_call_src_coords_attributes): Likewise.
2482 (dwarf2out_imported_module_or_decl): Likewise.
2483 (gen_subprogram_die): Modify for new file data structures.
2484 (gen_variable_die): Likewise.
2485 (file_table_eq): New.
2486 (file_table_hash): New.
2487 (file_table_last_lookup): New.
2488 (lookup_filename): Rewrite to handle new file data structures.
2489 (maybe_emit_file): Rewrite to handle new file data structures.
2490 (dwarf2out_source_line): Always call lookup_filename and
2492 (dwarf2out_init): Create file_table here.
2493 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
2494 (file_table_relative_p): New.
2495 (dwarf2out_finish): Change detection of relative filenames
2496 to work with new file data structures. Move output_line_info call
2497 after debug_info output.
2499 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
2504 * config/i386/i386.c (override_options): Always default to 16
2505 byte stack boundary.
2507 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
2510 * var-tracking.c (dump_dataflow_set): Start dumping at
2512 (clobber_variable_part): Kill only the variable part in
2513 registers holding it, leaving other variables alone.
2515 2006-09-11 Josh Triplett <josh@freedesktop.org>
2517 * doc/extend.texi (Other Builtins): Actually use the macro
2518 argument in the documentation example for
2519 __builtin_types_compatible_p.
2521 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
2523 PR rtl-optimization/28726
2524 * sched-deps.c (sched_analyze_reg): New function extracted from...
2525 (sched_analyze_1): ...here. Call it to analyze references to
2526 registers. Treat again writes to a stack register as writing to the
2528 (sched_analyze_2): ...and here. Call it to analyze references to
2529 registers. Treat again reads of a stack register as reading the
2532 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
2533 David Edelsohn <edelsohn@gnu.org>
2536 * config/rs6000/spe.md (frob_df_di): Remove %H.
2537 (frob_di_df): Remove %H. Change evmergelo to mr.
2538 (frob_di_df_2): Remove %H. Change evldd to two loads.
2540 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
2542 * doc/cpp.texi: Fix names of charset options.
2544 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
2547 * config/i386/i386.c (override_options): Use 128-bit
2548 stack boundary always for 64bits.
2550 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
2552 PR rtl-optimization/28636
2553 * combine.c (force_to_mode): Test for side-effects before
2554 substituting by zero.
2555 (simplify_shift_const): Likewise for zero or other constants.
2557 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
2560 * builtins.c (expand_builtin_setjmp): Force next_lab to be
2563 2006-09-10 Richard Sandiford <richard@codesourcery.com>
2566 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
2567 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
2568 returned by mode_for_size, rather than the mode of src itself,
2569 to choose between 32-bit and 64-bit patterns.
2570 (mips_mem_fits_mode_p): New function.
2571 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
2572 that the size of the source matches the size of the destination.
2573 (mov_<store>l, mov_<store>r): Likewise.
2575 2006-09-10 Eric Christopher <echristo@apple.com>
2577 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
2580 2006-09-09 Eric Christopher <echristo@apple.com>
2583 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
2586 2006-09-09 Roger Sayle <roger@eyesopen.com>
2587 Nicolas Setton <setton@adacore.com>
2589 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
2591 2006-09-10 Andreas Schwab <schwab@suse.de>
2593 * config/m68k/m68k.md (bungt_rev): New pattern.
2595 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
2596 Dale Johannesen <dalej@apple.com>
2599 * regclass.c (struct reg_pref): Update documentation.
2600 (regclass): Set prefclass to NO_REGS if memory is the best option.
2601 (record_reg_classes): Cope with a prefclass set to NO_REGS.
2603 2006-09-08 Eric Christopher <echristo@apple.com>
2605 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
2606 * config/t-slibgcc-darwin: Support x86_64 multilib.
2607 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
2608 Return 1 for x86_64-darwin.
2609 * config/i386/t-darwin: Add m64 multilib.
2610 (LIB2_SIDITI_CONV_FUNCS): Use.
2611 (LIB2FUNCS_EXTRA): Ditto.
2612 * config/i386/darwin.h: Support x86_64.
2613 * config/i386/i386.c (override_options): Turn on flag_pic
2614 for x86_64-darwin. Disable flag_omit_pointer.
2615 (get_pc_thunk_name): Assert !TARGET_64BIT.
2616 (legitimate_address_p): Disable machopic addressing for
2618 (legitimize_pic_address): Ditto.
2619 (ix86_expand_move): Ditto.
2620 (ix86_expand_call): Ditto.
2621 (machopic_output_stub): Ditto.
2622 * config/darwin.c (machopic_select_section): Support literal16.
2623 (machopic_select_rtx_section): Ditto.
2624 * config/darwin-sections.def: Ditto.
2625 * config/darwin-64.c: New.
2627 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
2630 * c-tree.h (struct c_arg_info): Add pending_sizes.
2631 * c-parser.c (c_parser_parms_declarator,
2632 c_parser_parms_list_declarator): Initialize pending_sizes.
2633 * c-decl.c (get_parm_info): Initialize pending_sizes.
2634 (get_parm_info): Set pending_sizes.
2635 (grokdeclarator): Call put_pending_sizes for parameters for
2636 function definition only.
2638 2006-09-07 Jason Merrill <jason@redhat.com>
2641 * varasm.c (output_constant): Only strip actual no-op conversions.
2644 * config/i386/i386.c (override_options): Use 128-bit
2645 stack boundary if -msse.
2647 2006-09-07 Eric Christopher <echristo@apple.com>
2649 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
2651 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
2654 2006-09-07 Geoffrey Keating <geoffk@apple.com>
2656 * dwarf2out.c: Remove strange characters from comment above
2657 dwarf2out_frame_debug_expr.
2659 2006-09-07 Eric Christopher <echristo@apple.com>
2661 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
2662 * config/darwin.h: ... to here.
2664 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
2666 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
2668 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
2669 (TARGET_PARTIAL_FLAG_REG_STALL): New.
2671 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
2672 TARGET_PARTIAL_FLAG_REG_STALL.
2673 (*ashldi3_cconly_rex64): Likewise.
2674 (*ashlsi3_cmp): Likewise.
2675 (*ashlsi3_cconly): Likewise.
2676 (*ashlsi3_cmp_zext): Likewise.
2677 (*ashlhi3_cmp): Likewise.
2678 (*ashlhi3_cconly): Likewise.
2679 (*ashlqi3_cmp): Likewise.
2680 (*ashlqi3_cconly): Likewise.
2681 (*ashrdi3_cmp_rex64): Likewise.
2682 (*ashrdi3_cconly_rex64): Likewise.
2683 (*ashrsi3_cmp): Likewise.
2684 (*ashrsi3_cconly): Likewise.
2685 (*ashrsi3_cmp_zext): Likewise.
2686 (*ashrhi3_cmp): Likewise.
2687 (*ashrhi3_cconly): Likewise.
2688 (*ashrqi3_cmp): Likewise.
2689 (*ashrqi3_cconly): Likewise.
2690 (*lshrdi3_cmp_rex64): Likewise.
2691 (*lshrdi3_cconly_rex64): Likewise.
2692 (*lshrsi3_cmp): Likewise.
2693 (*lshrsi3_cconly): Likewise.
2694 (*lshrsi3_cmp_zext): Likewise.
2695 (*lshrhi3_cmp): Likewise.
2696 (*lshrhi3_cconly): Likewise.
2697 (*lshrqi2_cmp): Likewise.
2698 (*lshrqi2_cconly): Likewise.
2700 2006-09-07 Uros Bizjak <uros@kss-loka.si>
2703 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
2704 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
2705 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
2706 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
2707 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
2708 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
2709 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
2710 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
2711 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
2712 implement only CC setting effects of shift instructions.
2714 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
2716 * doc/contrib.texi: Add myself.
2718 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
2721 * stor-layout.c (relayout_decl): Don't zero the alignment if it
2722 was set by the user.
2724 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
2727 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
2728 (divsi_inv_m1): Use them.
2729 (UNSPEC_DIV_INV_TABLE): New constant.
2731 2006-09-06 James E Wilson <wilson@specifix.com>
2734 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
2735 then call count_or_remove_death_notes.
2737 2006-09-06 Jason Merrill <jason@redhat.com>
2740 * tree-inline.c (copy_result_decl_to_var): New fn.
2741 (declare_return_variable): Use it. Call declare_inline_vars here.
2742 (expand_call_inline): Not here.
2744 2006-09-06 Diego Novillo <dnovillo@redhat.com>
2746 * doc/contrib.texi: Update my entry.
2748 2006-09-06 Nick Clifton <nickc@redhat.com>
2750 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
2752 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
2755 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
2756 (canonicalize_induction_variables): Likewise.
2757 (tree_unroll_loops_completely): Likewise.
2758 (tree_ssa_prefetch_arrays): Likewise.
2759 (remove_empty_loops): Likewise.
2760 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
2761 TODO_cleanup_cfg instead of directly calling
2762 cleanup_tree_cfg_loop.
2763 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
2765 (tree_unroll_loops_completely): Likewise.
2766 (remove_empty_loops): Likewise.
2767 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
2768 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
2769 of tree_ssa_unswitch_loops.
2770 (tree_ssa_loop_ivcanon): Use the return value of
2771 canonicalize_induction_variables.
2772 (tree_ssa_empty_loop): Use the return value of
2774 (tree_complete_unroll): Use the return value of
2775 tree_unroll_loops_completely.
2776 (tree_ssa_loop_prefetch): Use the return value of
2777 tree_ssa_prefetch_arrays.
2778 * passes.c (execute_todo): Before Cleanup CFG, set
2779 updating_used_alone and after cleanup CFG, call
2780 recalculate_used_alone.
2782 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
2785 * tree-vect-transform.c (vectorizable_condition): Move the check
2786 for the type after the check for simple condition.
2788 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
2789 Kaz Kojima <kkojima@gcc.gnu.org>
2792 * mode-switching.c (optimize_mode_switching): Make the destination
2793 block of an abnormal edge have no anticipatable mode. Don't
2794 insert mode switching code at the end of the source block of
2797 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
2799 PR rtl-optimization/26847
2800 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
2801 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
2802 (simplify_plus_minus): Count n_constants while filling ops. Replace
2803 qsort with insertion sort. Before going through the array to simplify
2804 pairs, sort it. Delay early exit until after the first sort, exiting
2805 only if no swaps occurred. Simplify pairs in reversed order, without
2806 special-casing the first iteration. Pack ops after simplifying pairs.
2808 2006-09-05 Anatoly Sokolov <aesok@post.ru>
2810 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
2811 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
2812 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
2813 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
2815 2006-09-05 Richard Guenther <rguenther@suse.de>
2817 PR tree-optimization/28900
2818 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
2819 compound conditional before creating COND_EXPR condition.
2821 2006-09-05 Richard Guenther <rguenther@suse.de>
2823 PR tree-optimization/28905
2824 * tree-vrp.c (fix_equivalence_set): Manually implement
2825 !value_ranges_intersect_p to also handle symbolic ranges.
2827 2006-09-05 Richard Guenther <rguenther@suse.de>
2830 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
2833 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
2835 PR rtl-optimization/27616
2836 * cse.c (table_size): New static variable.
2837 (new_basic_block): Initialize it to 0.
2838 (remove_from_table): Decrement it.
2839 (insert): Increment it.
2840 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
2841 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
2842 fold_rtx_mem_1 if under the cap.
2843 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
2844 the lookup of the equivalent expression and test for equality of the
2845 first operand of the equivalent expression before in turn looking up
2846 an equivalent constant for the second operand.
2848 2006-09-02 Geoffrey Keating <geoffk@apple.com>
2851 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
2852 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
2853 pointer, instead of assuming it is possible to derive the
2854 correct args size from a call insn.
2856 2006-09-02 Jakub Jelinek <jakub@redhat.com>
2859 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
2860 (fold_builtin_mempcpy): Rename to...
2861 (fold_builtin_memory_op): ... this. Optimize one element copy
2863 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
2865 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
2866 (expand_builtin_memcpy, expand_builtin_mempcpy,
2867 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
2868 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
2869 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
2870 BUILT_IN_MEM{CPY,PCPY,MOVE}.
2872 2006-09-01 DJ Delorie <dj@redhat.com>
2874 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
2875 (stzx_16): Likewise.
2876 ("stzx_24_<mode>"): Likewise.
2877 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
2878 ("cmp<mode>_op"): New.
2879 (cmp<mode>): Change to expander; just save operands.
2881 (b<code>): Change to expander, emit compare here.
2882 (s<code>_op): Change to use split and expander.
2883 (s<code>_24_op): Likewise.
2884 (s<code>_<mode>): New.
2885 (s<code>_<mode>_24): New.
2886 (movqicc_<code>_<mode): New.
2887 (movhicc_<code>_<mode>): New.
2890 * config/m32c/m32c.c (compare_op0, compare_op1): New.
2891 (m32c_pend_compare): New.
2892 (m32c_unpend_compare): New.
2893 (m32c_expand_scc): New.
2894 (m32c_expand_movcc): Emit the compare also.
2895 * config/m32c/predicates.md (mra_nopp_operand): New.
2897 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
2898 Richard Guenther <rguenther@suse.de>
2899 Adam Nemet <anemet@caviumnetworks.com>
2902 * builtins.c (get_pointer_alignment): Handle more forms
2903 of base addresses that can be used to derive more precise
2904 information about alignment.
2906 2006-09-01 Jason Merrill <jason@redhat.com>
2909 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
2912 * gimplify.c (voidify_wrapper_expr): Handle null type.
2914 2006-09-01 Josh Conner <jconner@apple.com>
2917 * tree-nrv.c (dest_safe_for_nrv_p): New function.
2918 (execute_return_slot_opt): Use it.
2920 2006-08-31 Josh Conner <jconner@apple.com>
2923 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
2924 returning aggregates.
2926 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
2928 PR tree-optimization/28839
2929 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
2930 blocks in that phi arguments appear.
2932 2006-08-31 Roger Sayle <roger@eyesopen.com>
2935 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
2936 NULL, otherwise use an advance_loc4 to adjust relative to the
2938 (output_cfi) <DW_CFA_set_loc>: Update the current label.
2939 (dwarf2out_switch_text_section): Reset the current label to avoid
2940 using advance_loc4 over section boundaries.
2942 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
2945 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
2946 r12 + SYMBOLIC_CONST.
2948 2006-08-30 Richard Guenther <rguenther@suse.de>
2950 * Makefile.in (see.o): Add $(EXPR_H) dependency.
2952 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
2954 PR rtl-optimization/27735
2955 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
2956 Add new argument to keep track of whether an irreducible region
2957 was affected. All callers changed.
2958 (fix_irreducible_loops): Removed.
2959 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
2960 flags were invalidated.
2962 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
2964 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
2965 instead of SF operands.
2966 (*fop_df_comm_sse): Likewise.
2967 (*fop_df_comm_i387): Likewise.
2968 (*fop_df_1_mixed): Likewise.
2969 (*fop_df_1_sse): Likewise.
2971 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
2972 J"orn Rennecke <joern.rennecke@st.com>
2974 PR tree-optimization/17506
2975 * tree-ssa.c (warn_uninit): If warning about a location outside of
2976 the current function, note where the variable was declared.
2978 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
2980 PR tree-optimization/28411
2981 * double-int.c (double_int_div): Use double_int_divmod.
2982 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
2983 double_int_mod, double_int_smod, double_int_umod): New functions.
2984 * double-int.h (double_int_divmod, double_int_sdivmod,
2985 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
2987 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
2989 (get_computation_aff, get_computation_cost_at): Handle double_int
2990 return type of constant_multiple_of.
2992 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
2995 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
2996 an implicit conversion.
2998 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
3000 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
3002 2006-08-27 Roger Sayle <roger@eyesopen.com>
3004 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
3007 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
3009 * config/i386/crtfastmath.c: Fix a comment typo.
3011 2006-08-26 Roger Sayle <roger@eyesopen.com>
3013 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
3014 temporary visit flags on CASE_LABEL_EXPRs.
3015 * c-common.c (match_case_to_enum): Add function comment. Avoid
3016 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
3017 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
3018 CASE_HIGH_SEEN for enumerated types. If the switch expression is
3019 a constant, only warn if that constant value isn't handled.
3021 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
3024 * input.h (restore_input_file_stack): Declare.
3025 (INPUT_FILE_STACK_BITS): Define.
3026 * toplev.c (fs_p, input_file_stack_history,
3027 input_file_stack_restored, restore_input_file_stack): New.
3028 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
3029 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
3030 (pop_srcloc): Don't free old state of stack.
3032 2006-08-26 David Edelsohn <edelsohn@gnu.org>
3035 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
3036 (PowerPC Type Attributes): New.
3038 2006-08-26 Bob Wilson <bob.wilson@acm.org>
3040 * config/xtensa/xtensa.c (function_arg_boundary): New.
3041 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
3043 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
3044 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
3046 2006-08-26 Jakub Jelinek <jakub@redhat.com>
3049 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
3052 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3054 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
3055 (verify_local_live_at_start): Likewise.
3057 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
3060 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
3061 omp_add_variable): Treat sizes as variable whenever not
3064 2006-08-26 Richard Guenther <rguenther@suse.de>
3067 * fold-const.c (fold_binary): Fold temporary to correct
3068 type before constructing new comparison.
3070 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
3073 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
3074 variable again if DECL_SEEN_IN_BIND_EXPR_P.
3076 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
3079 * c-decl.c (start_function): Don't try to process prototype
3080 information from old declaration that isn't a function.
3082 2006-08-25 Jan Hubicka <jh@suse.cz>
3085 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
3087 2006-08-25 Alan Modra <amodra@bigpond.net.au>
3090 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
3093 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
3095 PR tree-optimization/16876
3096 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
3097 exit if PARM doesn't match VALUE.
3099 2006-08-25 Bob Wilson <bob.wilson@acm.org>
3101 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
3102 literal_prefix directive.
3103 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
3104 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
3105 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
3107 2006-08-25 David Edelsohn <edelsohn@gnu.org>
3110 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
3111 predicate to general_operand. Add 0->y and I->r alternatives.
3113 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
3115 * doc/tm.texi: Fix a typo.
3116 * predict.c: Fix comment typos.
3118 2006-08-25 Nick Clifton <nickc@redhat.com>
3120 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
3121 assertions of "cpu" and "machine".
3123 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
3126 * tree-ssa-operands.c (access_can_touch_variable): Don't say
3127 the access through a base which has an alias set of 0 cannot
3130 2006-08-24 Bill Wendling <wendling@apple.com>
3132 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
3134 2006-08-24 Jan Hubicka <jh@suse.cz>
3136 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
3138 2006-08-24 Jan Hubicka <jh@suse.cz>
3141 * cgraph.c: Fix comments.
3142 (cgraph_varpool_mark_needed_node): Mark only variables not already
3144 * cgraphunit.c: Update comments; include gt-cgraphunit.h
3145 (cgraph_varpool_assembled_nodes_queue): New static variable.
3146 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
3147 (cgraph_varpool_output_debug_info): New function.
3148 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
3149 * Makefile.in: Add gt-cgraphunit.h
3151 2006-08-24 Jan Hubicka <jh@suse.cz>
3153 * predict.c (probability_reliable_p): New predicate.
3154 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
3155 (predict_loops): Do not predict loop exit with less than 2%
3157 * basic-block.h (edge_probability_reliable_p,
3158 br_prob_note_reliable_p): Declare.
3159 * ia64.h (ia64_print_operand): Do not disable on-chip branch
3160 prediction when static predictor is not reliable.
3161 * rs6000.c (output_cbranch): Likewise.
3163 2006-08-23 Stuart Hastings <stuart@apple.com>
3166 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
3167 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
3169 2006-08-21 Geoffrey Keating <geoffk@apple.com>
3172 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
3173 complex values, nor for generic vector values.
3175 2006-08-22 Richard Guenther <rguenther@suse.de>
3178 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
3179 parameter. Convert arguments to arithmetic expression to the
3181 (analyze_scalar_evolution_1): Adjust caller.
3183 2006-08-22 Jan Hubicka <jh@suse.cz>
3185 Patch by Paolo Bonzini
3186 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
3189 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
3191 PR tree-optimization/28003
3192 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
3193 before grouping aliases.
3195 2006-08-22 Roger Sayle <roger@eyesopen.com>
3197 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
3198 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
3200 2006-08-21 Jason Merrill <jason@redhat.com>
3203 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
3204 wrapper. Loop to handle nested wrappers.
3205 (gimplify_bind_expr): Remove temp parameter.
3206 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
3207 and STATEMENT_LIST on the rhs.
3208 (gimplify_statement_list): Voidify the STATEMENT_LIST.
3209 (gimplify_expr): Pass pre_p to gimplify_statement_list.
3210 (gimplify_target_expr): Remove special BIND_EXPR handling.
3212 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
3214 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
3217 2006-08-21 Olivier Hainque <hainque@adacore.com>
3219 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
3220 Arrange for the temporary captures of components overlapping the lhs
3221 to happen before the lhs is possibly cleared.
3223 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
3225 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
3226 necessary places to pass the correct "number of registers" values
3229 2006-08-20 Jan Hubicka <jh@suse.cz>
3231 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
3232 (create_name_tags): Instead of quadratic checking use hashtable.
3233 * bitmap.h: Include hashtab.h.
3234 (bitmap_hash): Declare.
3235 * bitmap.c (bitmap_hash): New function.
3237 2006-08-20 Jan Hubicka <jh@suse.cz>
3239 PR rtl-optimization/28071
3240 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
3242 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
3243 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
3244 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
3245 cgraph_decide_inlining_incrementally): Update use of
3246 cgraph_check_inline_limits.
3247 * cgraph.c (edge_hash, edge_eq): New function.
3248 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
3249 cgraph_edge_remove_caller, cgraph_node_remove_callees,
3250 cgraph_remove_node): Maintain call site hash.
3251 * cgraph.h (struct cgraph_node): Add call_site_hash.
3252 (cgraph_set_call_stmt): New function.
3254 2006-08-20 Jan Hubicka <jh@suse.cz>
3256 PR rtl-optimization/28071
3257 * reload1.c (reg_has_output_reload): Turn into regset.
3258 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
3259 choose_reload_regs, emit_reload_insns): Update to new
3260 reg_has_output_reload.
3262 2006-08-20 Jan Hubicka <jh@suse.cz>
3265 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
3266 function body sizes.
3267 * cgraphunit.c (cgraph_analyze_function): Don't do so.
3269 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
3272 * tree.c (handle_dll_attribute): Return early if not a
3273 var or function decl.
3275 2006-08-18 Joseph Myers <joseph@codesourcery.com>
3278 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
3279 alignment of SPE vector types.
3281 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
3283 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
3285 2006-08-17 Jakub Jelinek <jakub@redhat.com>
3288 * cgraph.h (struct cgraph_node): Remove externally_visible
3290 * cgraphunit.c (process_function_and_variable_attributes): Set
3291 local.externally_visible rather than externally_visible.
3294 * c-common.c (handle_externally_visible_attribute): First look
3295 at TREE_CODE and only if it is function or var decl, check for
3296 non-public objects. Don't warn for DECL_EXTERNAL.
3297 * cgraphunit.c (process_function_and_variable_attributes): Warn
3298 if externally_visible attribute is used on non-public object.
3300 2006-08-17 Jan Hubicka <jh@suse.cz>
3302 PR tree-optimization/27865
3303 * reload1.c (forget_marked_reloads): New function.
3304 (forget_old_reloads_1): When data are passed, just mark the registers
3306 (reload_as_needed): Use the new mechanizm.
3308 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
3311 * reload.h (reg_equiv_alt_mem_list): New declaration.
3312 * reload1.c (reg_equiv_alt_mem_list): New definition.
3313 (reload): Initialize it and release it.
3314 (delete_output_reload): Use it.
3315 * reload.c (push_reg_equiv_alt_mem): New function.
3316 (find_reloads_toplev): Call it.
3317 (find_reloads_address, find_reloads_address_1): Likewise.
3318 (find_reloads_subreg_address): Likewise.
3320 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3322 PR rtl-optimization/28489
3323 * sched-ebb.c (begin_schedule_ready): Create basic block
3325 (advance_target_bb): Skip empty blocks.
3326 * haifa-sched.c (bb_note): Make global.
3327 * sched-int.h (bb_note): Add prototype.
3329 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3331 PR tree-optimization/27865
3332 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
3334 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
3335 fold_used_pointer, pointer_used_p): New functions.
3336 (analyze_scalar_evolution_1): Use fold_used_pointer.
3337 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
3338 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
3341 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
3344 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
3345 or the INTEGER_CST. Fail on a CALL_EXPR.
3346 (fold_offsetof): Pass new argument to fold_offsetof_1.
3347 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
3348 operand into an INDIRECT_REF.
3349 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
3351 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3353 PR gcov/profile/26570
3354 * value-prof.c (static_values): Removed.
3355 (tree_find_values_to_profile): Do not set static_values.
3356 (find_values_to_profile): Do not free static_values.
3357 * profile.c (instrument_values): Do not free the values.
3358 (branch_prob): Free the values.
3360 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
3362 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
3364 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
3367 * c-typeck.c (build_component_ref): Combine qualifiers of
3368 structure or union and field.
3370 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3372 PR rtl-optimization/28071
3373 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
3374 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
3375 * tree-into-ssa.c (struct dom_dfsnum): New.
3376 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
3378 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
3379 compute_global_livein.
3380 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
3381 in phi nodes in the correct blocks.
3383 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3385 PR tree-optimization/28364
3386 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
3388 (fold_affine_expr): New function.
3389 (may_eliminate_iv): Use fold_affine_expr.
3391 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3394 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
3397 2006-08-16 Mike Stump <mrs@apple.com>
3399 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
3400 * doc/cppopts.texi (-MD): Likewise.
3402 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
3405 * c-common.c (handle_weak_attribute): Ignore and warn if
3406 not a FUNCTION_ or VAR_DECL.
3408 2006-07-15 Mike Stump <mrs@apple.com>
3411 * c-parser.c (c_parser_typeof_specifier): Don't use
3412 c_finish_expr_stmt, open code desired semantics instead.
3414 2006-08-15 Nick Clifton <nickc@redhat.com>
3416 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
3417 fragment to tmake_file only if threads are enabled.
3418 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
3419 * config/i386/t-gthr-win32: New file. ... here.
3421 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3424 * c-parser.c (c_parser_compound_statement_nostart): Reset
3425 parser->error after each statement.
3427 2006-08-15 Jakub Jelinek <jakub@redhat.com>
3430 * omp-low.c (lower_omp_parallel): Convert t to
3431 receiver_decl's type.
3432 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
3433 source before comparison.
3436 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
3437 to itype in assignment to oldival2.
3439 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
3443 * c-typeck.c (build_compound_expr): If the second expression
3444 is an error mark, then just return an error mark instead of
3445 creating a COMPOUND_EXPR.
3447 2006-07-14 Mike Stump <mrs@apple.com>
3449 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
3451 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
3453 * c-decl.c, var-tracking.c: Fix comment typos.
3455 2006-08-14 Richard Sandiford <richard@codesourcery.com>
3457 PR rtl-optimization/28634
3458 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
3459 for floating-point modes unless flag_unsafe_math_optimizations.
3461 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
3462 Andrew Pinski <pinskia@physics.uc.edu>
3465 * tree.c (build_array_type): Unify array types with
3466 unspecified index_type.
3467 * c-decl.c (grokdeclarator): Make sure we do not modify a
3468 unified incomplete array type.
3469 * c-typeck.c (store_init_value): Create distinct type before
3470 filling in the index type in an initializer from a compound
3473 * c-decl.c (grokdeclarator): Remove code where we copy the
3476 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
3478 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
3479 into account for TODO_dump_cgraph.
3480 (TODO_update_ssa_no_phi): Likewise.
3481 (TODO_update_ssa_full_phi): Likewise.
3482 (TODO_update_ssa_only_virtuals): Likewise.
3483 (TODO_remove_unused_locals): Likewise.
3484 (TODO_set_props): Likewise.
3485 (TODO_update_stmt_usage): Likewise.
3487 2006-08-13 Dirk Mueller <dmueller@suse.de>
3489 * c-common.c (strict_aliasing_warning): Fix formatting.
3491 2006-08-13 Matthias Klose <doko@debian.org>
3493 * doc/invoke.texi: Fix spelling errors.
3495 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
3497 PR rtl-optimization/23454
3498 * reorg.c (relax_delay_slots): Update comment.
3500 2006-08-11 Richard Guenther <rguenther@suse.de>
3503 * simplify-rtx.c (simplify_const_relational_operation):
3504 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
3507 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
3509 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
3510 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
3512 2006-08-10 Paul Brook <paul@codesourcery.com>
3514 * final.c (final_scan_insn): Clear current_insn_predicate before
3515 outputting inline asm.
3517 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
3519 PR tree-optimization/26197
3520 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
3521 get_ref_base_and_extent and overlap_subvar to add only relevant
3522 subvars as may-aliases.
3523 (add_may_alias_for_new_tag): New function, factored out of
3525 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
3526 with additional argument.
3527 * tree-flow.h (new_type_alias): Takes additional argument.
3529 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
3531 * gcov.c (no_data_file): New flag.
3532 (read_count_file): Set it if data file not present. Assume counts
3534 (output_lines): Don't name the data file, if there wasn't one.
3536 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
3538 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
3539 (rs6000_generate_compare): Tweak comments.
3540 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
3542 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
3544 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
3545 (var_debug_decl): New function.
3546 (var_reg_set): Follow debug decl link. Add location even if
3547 reg is already known to hold some other variable.
3548 (var_mem_set): Follow debug decl link.
3549 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
3550 decl link. Delete other known locations of the variable part
3552 (var_reg_delete, var_mem_delete): Delete other known locations
3553 of the variable part if requested.
3554 (same_variable_part_p): New function.
3555 (add_stores): Select MO_COPY when appropriate.
3556 (vt_initialize): Handle it.
3557 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
3558 known locations for MO_SET and MO_CLOBBER.
3559 (find_variable_location_part): New function.
3560 (set_variable_part, delete_variable_part): Use it.
3561 (clobber_variable_part): New function.
3562 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
3565 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
3567 PR tree-optimization/26969
3568 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
3569 with an empty list of PHIs.
3571 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
3575 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
3578 2006-08-06 Andreas Schwab <schwab@suse.de>
3580 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
3581 string. Whitespace and comment fixup.
3583 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3586 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
3590 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
3593 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
3595 2006-08-04 Jan Hubicka <jh@suse.cz>
3599 * reload.c (push_reload): Patch out the mismatching instruction;
3601 (find_reload): Bail out if the instruction was patched out.
3603 2006-08-04 Jan Hubicka <jh@suse.cz>
3605 PR tree-optimization/24888
3606 * tree-inline.c (expand_call_inline): Do not re-record variables.
3607 (declare_inline_vars): Add variable to unexpanded_var_list.
3609 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3610 Roger Sayle <roger@eyesopen.com>
3612 PR rtl-optimization/26244
3613 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
3614 inner_const are negative or greater than or equal to the bitsize of
3615 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
3616 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
3617 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
3618 CONST0_RTX (mode) when the new shift count is greater than or equal to
3619 to the bitsize of the object being shifted and XEXP (y, 0) has no side
3622 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
3624 * tree-cfg.c: Fix a comment typo.
3626 2006-08-03 Mark Mitchell <mark@codesourcery.com>
3629 * varasm.c (output_constant): Give the front end another chance to
3630 expand constants, after stripping NOPs.
3632 2006-08-03 Jan Hubicka <jh@suse.cz>
3634 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
3637 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
3639 PR tree-optimization/27770
3640 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
3641 declaration removed (moved to tree-flow.h).
3642 (vect_can_force_dr_alignment_p): Likewise.
3643 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
3644 (moved from tree-vectorizer.h).
3645 (vect_can_force_dr_alignment_p): Likewise.
3646 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
3647 from outside the vectorizer - in particular from cgraph stage.
3648 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
3649 the alignment of global arrays when -fsection-anchors is enabled.
3650 * cgraphunit.c (cgraph_increase_alignment): New function.
3651 (cgraph_optimize): Call cgraph_increase_alignment.
3653 2006-08-03 David Edelsohn <edelsohn@gnu.org>
3656 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
3657 not reload a SPE symbol_ref into a lo_sum address.
3659 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
3662 * dwarf2out.c (prune_unused_types_prune): Move call to
3663 prune_unused_types_update_strings to cover the parent DIE also.
3665 2006-08-02 Jan Hubicka <jh@suse.cz>
3667 PR gcov/profile/28480
3668 * tree-cfg.c (change_bb_for_stmt): New function.
3669 (tree_merge_blocks, tree_split_blocks): Use it.
3671 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3677 * toplev.c (compile_file): Return early on errorcount or sorrycount.
3678 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
3679 (cgraph_optimize): Likewise.
3681 2006-08-01 Stuart Hastings <stuart@apple.com>
3683 * rtl.h (UINTVAL) New.
3684 * config/rs6000/rs6000.c (SMALL_INT) Use it.
3685 * testsuite/gcc.dg/20060801-1.c: New.
3687 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
3690 * c-typeck.c (build_external_type): Mark used enum types.
3691 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
3693 (gen_subprogram_die): Whitespace fix.
3695 2006-08-01 Jan Hubicka <jh@suse.cz>
3697 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
3698 bitmap when not needed.
3699 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
3702 2006-08-01 Dirk Mueller <dmueller@suse.de>
3704 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
3706 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3708 * Makefile.in: Revert part of previous patch:
3709 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
3712 2006-07-30 Eric Christopher <echristo@apple.com>
3715 * doc/extend.texi (i386 Variable Attributes): Add anchor.
3716 (PowerPC Variable Attributes): New section.
3718 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
3720 PR target/28126 (partial fix)
3721 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
3723 2006-07-28 Jan Hubicka <jh@suse.cz>
3725 PR rtl-optimization/28071
3726 * cfgrtl.c (rtl_delete_block): Free regsets.
3727 * flow.c (allocate_bb_life_data): Re-use regsets if available.
3729 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3731 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
3732 and variables used in dependencies.
3734 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
3736 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
3737 %fs for -mcmodel=kernel.
3738 (stack_tls_protect_test_di): Likewise.
3740 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
3742 * Makefile.in: Use mkinstalldirs.
3744 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
3747 * opts-common.c (prune_options): Skip joined switches.
3749 2006-07-27 Jan Hubicka <jh@suse.cz>
3751 PR rtl-optimization/28071
3752 * cselib.c (cselib_process_insn): Don't remove useless values too
3753 often for very large hashtables.
3755 2006-07-27 Jan Hubicka <jh@suse.cz>
3757 PR rtl-optimization/28071
3758 * global.c (greg_obstack): New obstack.
3759 (allocate_bb_info): Use it.
3760 (free_bb_info): Likewise.
3761 (modify_reg_pav): Likewise.
3763 2006-07-27 Roger Sayle <roger@eyesopen.com>
3765 * builtins.c (fold_fixed_mathfn): When long and long long are the
3766 same size, canonicalize llceil*, llfloor*, llround* and llrint*
3767 functions to their lceil*, lfloor*, lround* and lrint* forms.
3769 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
3772 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
3774 (rev_branch_insn): Likewise.
3776 2006-07-27 Jan Hubicka <jh@suse.cz>
3778 PR rtl-optimization/28071
3779 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
3780 (reg_set_in_bb, max_reg_computed): New static variables.
3781 (regmove_optimize): Free the new array.
3782 (fixup_match_1): Update call of reg_is_remote_constant_p.
3784 2006-07-26 Jan Hubicka <jh@suse.cz>
3786 PR tree-optimization/27882
3787 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
3789 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
3791 (cgraph_analyze_compilation_unit): Likewise.
3792 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
3793 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
3794 (cgraph_early_inlinine): Make order garbage collected.
3795 * Makefile.in (gt-ipa-inline): New garbagecollected file.
3797 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
3799 * dbxout.c (output_types_sort): Add a comment.
3800 (output_used_types): Free the VEC.
3802 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
3804 * function.c (reorder_fix_fragments): Delete.
3805 (reorder_blocks): Don't call it.
3806 (reorder_blocks_1): Put all subblocks under the origin block.
3808 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
3810 PR rtl-optimization/27907
3811 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
3814 2006-07-25 Roger Sayle <roger@eyesopen.com>
3817 * convert.c (convert_to_integer): When transforming (T)foo(x) into
3818 bar(x) check that bar's result type can represent all the values of T.
3820 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
3822 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
3824 2006-07-25 Nick Clifton <nickc@redhat.com>
3826 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
3827 size_lookup[] array.
3828 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
3829 (ggc_pch_count_object): Likewise.
3830 (ggc_pch_alloc_object): Likewise.
3831 (ggc_pch_write_object): Likewise.
3832 (init_ggc): Do not attempt to initialize entries in the
3833 size_lookup[] array for objects whose size is greater than than
3834 the length of the array.
3836 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
3838 * dbxout.c (output_used_types_helper): Push queued types
3840 (output_types_sort): New.
3841 (output_used_types): Collect used types on a VEC and sort them
3844 2006-07-24 Richard Guenther <rguenther@suse.de>
3847 * cgraph.c (cgraph_remove_node): Do not check if dumps
3849 * cgraphunit.c (cgraph_optimize): Likewise.
3851 2006-07-24 Jan Hubicka <jh@suse.cz>
3853 PR rtl-optimization/28071
3854 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
3855 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
3856 splitting before first stmt.
3858 2006-07-24 Jan Hubicka <jh@suse.cz>
3860 PR rtl-optimization/28071
3861 * ipa-inline.c (update_caller_keys): Remove edges that
3862 are no longer inline candidates.
3864 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
3867 * dbxout.c (output_used_types_helper, output_used_types): New.
3868 (dbxout_symbol): Call output_used_types.
3870 2006-07-23 Jan Hubicka <jh@suse.cz>
3874 * cgraph.c (cgraph_varpool_nodes): Export.
3875 (decide_is_variable_needed): Ignored "used" attribute in
3876 unit-at-a-time mode.
3877 * cgraph.h (cgraph_varpool_nodes): Declare.
3878 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
3879 unit-at-a-time mode.
3881 2006-07-23 Roger Sayle <roger@eyesopen.com>
3884 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
3885 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
3886 the __gthrw form of thr_keycreate.
3887 (__gthread_key_delete): Silence the unused argument warning.
3889 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
3892 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
3893 Cache the last found '\0' marker to avoid quadratic behavior.
3895 2006-07-23 Jan Hubicka <jh@suse.cz>
3897 * i386.md (subsi_3_zext): Fix output template.
3899 2006-07-21 Mike Stump <mrs@apple.com>
3901 * doc/invoke.texi (C++ Dialect Options): Note that
3902 -fvisibility-inlines-hidden doesn't affect explicitly
3903 instantiationed inline methods.
3905 2006-07-20 Roger Sayle <roger@eyesopen.com>
3907 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
3908 if the target assembler is GNU binutils' gas.
3909 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
3910 whether to pass GNU gas or native as command line options.
3912 2006-07-20 Jason Merrill <jason@redhat.com>
3914 * tree.c (remove_attribute): New fn.
3915 * tree.h: Declare it.
3917 2006-07-20 Paul Brook <paul@codesourcery.com>
3920 * cse.c (cse_insn): Add destination addresses to hash table. Check if
3921 they are invalidated by this instruction.
3923 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
3926 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
3928 2006-07-20 Eric Christopher <echristo@apple.com>
3931 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
3933 2006-07-19 Eric Christopher <echristo@apple.com>
3935 * config/t-slibgcc-darwin (stmp-lipo): Remove.
3936 Rewrite dependencies for libgcc_s.1.dylib.
3938 2006-07-19 Jakub Jelinek <jakub@redhat.com>
3940 * except.c (duplicate_eh_regions_1): Clear next_peer.
3942 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
3944 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
3945 -mlongcall does not guarantee all calls will be long.
3946 * doc/extend.texi (long_call/short_call): Document that longcall
3947 does not guarantee a long call will be used.
3948 (longcall/shortcall): Likewise.
3950 2006-07-18 Roger Sayle <roger@eyesopen.com>
3953 * expmed.c (expand_shift): Additionally check that the shift_cost
3954 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
3955 before implementing a LSHIFT_EXPR as a sequence of additions.
3956 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
3957 middle-end that DImode shifts need to be synthesized by expand.
3959 2006-07-18 Diego Novillo <dnovillo@redhat.com>
3962 * tree-ssa-operands.c (access_can_touch_variable): Update
3964 Return true if ALIAS is .GLOBAL_VAR.
3966 2006-07-18 David Daney <ddaney@avtrex.com>
3968 * gcc.c (display_help): Fix typo in help text.
3970 2006-07-18 Olivier Hainque <hainque@adacore.com>
3972 * tree.h (categorize_ctor_elements): Adjust prototype and add
3973 descriptive comment, both in accordance with the interface change
3975 * varasm.c (constructor_static_from_elts_p): New function.
3976 Whether a constructor node is a valid static constant initializer
3977 if all its elements are.
3978 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
3979 * output.h: Declare it.
3980 * expr.c (categorize_ctor_elements_1): Return whether the constructor
3981 is a valid constant initializer instead of computing the number of
3982 non-constant elements. Use constructor_static_from_elts_p for this
3983 purpose. Replace the head comment with an indication that this is a
3984 helper for categorize_ctor_elements.
3985 (categorize_ctor_elements): Same interface change as for the _1
3986 helper. Former head comment from this helper moved here, adjusted to
3987 account for the interface changes.
3988 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
3989 (all_zeros_p): Likewise.
3990 * gimplify.c (gimplify_init_constructor): Decide whether we can make
3991 static versions of the constructor from the categorize_ctor_elements
3992 return value instead of the formerly computed number of non-constant
3995 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
3997 * configure: Regenerate.
3998 * Makefile.in (build_libsubdir): New configure substitution
3999 (build_libobjdir): New variable.
4000 (BUILD_LIBIBERTY): Use it.
4002 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4005 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
4007 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
4010 * c-common.c (handle_weakref_attribute): Ignore attribute in
4011 the same conditions the alias attribute is ignored.
4013 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
4015 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
4016 (dbxout_begin_prologue): Increment scope_labelno.
4018 2006-07-17 Richard Henderson <rth@redhat.com>
4021 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
4024 2006-07-17 Roger Sayle <roger@eyesopen.com>
4025 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4027 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
4028 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
4029 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
4030 functions such as sbrk, write, etc.. Add function prototypes.
4031 Convert function declarations from K&R to ISO C. Cast pointers
4032 to "long" and "unsigned long" instead of "int" and "unsigned int".
4033 Convert tokens following #endif into comments.
4035 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
4037 * invoke.texi: Remove mention of f77; Reformat table for
4038 inline parameter options correctly; mention that -malign-double
4039 is default on x86-64 targets.
4041 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
4043 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
4044 (convert_affine_scev, chrec_convert_aggressive): Use
4045 avoid_arithmetics_in_type_p. Do not check for the subtypes
4048 2006-07-17 Richard Sandiford <richard@codesourcery.com>
4051 * optabs.c (expand_doubleword_shift): Wrap the call to
4052 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
4054 2006-07-17 Richard Sandiford <richard@codesourcery.com>
4057 * optabs.c (expand_binop): Pass next_methods rather than methods
4058 to expand_doubleword_shift.
4060 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
4063 * tree.h (dump_addr): Declare.
4064 * print-tree.c (dump_addr): New function.
4065 (print_node_brief, print_node): Use it.
4066 * print-rtl.c (print_rtx): Likewise.
4067 * common.opt (-fdump-noaddr): New option.
4068 * doc/invoke.texi (-fdump-noaddr): Document.
4069 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
4070 (ve_info_hash): Likewise.
4072 2006-07-13 Andrew Haley <aph@redhat.com>
4074 PR tree-optimization/19505
4075 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
4076 edge leaving this block, make sure that the destination of this
4077 block has only one predecessor.
4079 2006-07-17 Richard Guenther <rguenther@suse.de>
4081 PR tree-optimization/28238
4082 * tree-inline.c (copy_bb): Check if we produced valid
4083 gimple copying and substituting a stmt. If not, gimplify
4086 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
4088 * optabs.c (maybe_encapsulate_block): New function extracted from...
4089 (emit_libcall_block): ...here. Invoke it on the block of insns to
4090 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
4091 (emit_no_conflict_block): Likewise.
4093 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
4095 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
4097 2006-07-15 Roger Sayle <roger@eyesopen.com>
4099 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
4100 a new NOP_EXPR case of the switch statement.
4102 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
4105 * stor-layout.c (place_field): Take the bit field with
4106 an excessive size into account in the ms-bitfiled case.
4109 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
4110 the previous bit field.
4112 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
4115 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
4117 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
4119 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
4120 signal frames correctly even when the signal was installed with
4123 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
4125 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
4126 (dbxout_function_end): Use local label LFBB. Remove hook
4128 (dbxout_source_line): Use local label LFBB.
4129 (dbxout_block): Likewise.
4130 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
4131 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
4132 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
4133 and DBX_OUTPUT_NFUN.
4135 2006-07-13 Janis Johnson <janis187@us.ibm.com>
4137 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
4139 2006-07-13 Jan Hubicka <jh@suse.cz>
4141 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
4143 * output.h (align_variable): Declare.
4144 * varasm.c (align_variable): Export.
4145 * value-prof.c (tree_value_profile_transformations): Recompute iterator
4146 when basic block changed.
4148 2006-07-13 Nick Clifton <nickc@redhat.com>
4150 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
4151 walking the LOG_LINKS chain.
4153 2006-07-12 Geoffrey Keating <geoffk@apple.com>
4155 * doc/invoke.texi (C++ Dialect Options): Explain difference
4156 between -fvisibility-inlines-hidden and setting hidden
4157 visibility explicitly.
4159 2006-07-12 Eric Christopher <echristo@apple.com>
4161 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
4162 (stmp-lipo): Depend on libgcc.a.
4164 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
4166 * tree.c: Fix a comment typo.
4168 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
4170 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
4172 (umulhisi3_r): Likewise.
4174 2006-07-12 Paolo Carlini <pcarlini@suse.de>
4177 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
4178 x < 19, vs wchar_t support.
4180 2006-07-12 Nick Clifton <nickc@redhat.com>
4182 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
4183 instead of -isa=sh4.
4185 2006-07-12 Mike Stump <mrs@apple.com>
4187 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
4189 2006-07-10 Eric Christopher <echristo@apple.com>
4191 * config/t-slibgcc-darwin: Rewrite.
4193 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
4196 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
4199 2006-07-08 Matthias Klose <doko@debian.org>
4201 * doc/sourcebuild.texi: Fix typo.
4203 2006-07-07 Mike Stump <mrs@apple.com>
4205 * toplev.c (process_options): Don't give -ffunction-sections may
4206 affect debugging warning for Mach-O.
4208 2006-07-07 James E Wilson <wilson@specifix.com>
4210 * config/mips/mips.md (cpu): Add sb1a.
4211 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
4212 addition to sb1. Adjust comments to clarify SB-1A differences from
4214 (ir_sb1a_load): New. Modify bypasses to use it.
4215 (ir_sb1a_simple_alu): Likewise.
4216 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
4217 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
4218 (mips_issue_rate): Add PROCESSOR_SB1A.
4219 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
4220 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
4221 (TARGET_SB1): Add PROCESSOR_SB1A check.
4222 (TUNE_SB1): Likewise.
4224 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
4225 * config/mips/mips.c (mips_store_data_bypass_p): New.
4226 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
4227 store_data_bypass_p.
4229 2006-07-08 Paul Brook <paul@codesourcery.com>
4232 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
4234 2006-07-07 Richard Guenther <rguenther@suse.de>
4237 * tree.h (build_one_cst): Declare.
4238 * tree.c (build_one_cst): New function.
4239 * tree-ssa-math-opts.c (get_constant_one): Remove.
4240 (insert_reciprocals): Use build_one_cst.
4241 * fold-const.c (fold_plusminus_mult): Likewise.
4243 2006-07-07 Roger Sayle <roger@eyesopen.com>
4245 * pointer-set.c (pointer_set_destroy): Correct whitespace.
4246 * cfgloopanal.c (dump_graph): Likewise.
4247 * dojump.c (discard_pending_stack_adjust): Likewise.
4248 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
4250 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
4251 * function.c (finalize_block_changes): Likewise.
4252 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
4253 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
4254 * rtl.c (dump_rtx_statistics): Likewise.
4255 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
4257 * varray.c (dump_varray_statistics): Likewise.
4258 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
4259 decode_decimal64, encode_decimal128, decode_decimal128,
4260 decimal_real_to_decimal): Likewise.
4262 2006-07-07 Richard Guenther <rguenther@suse.de>
4264 PR tree-optimization/28187
4265 * tree-vrp.c (vrp_operand_equal_p): New function.
4266 (vrp_bitmap_equal_p): Likewise.
4267 (update_value_range): Use them to compare old and new
4270 2006-07-06 Roger Sayle <roger@eyesopen.com>
4272 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
4273 a default case to switch statement to silence compiler warnings.
4275 2006-07-06 Roger Sayle <roger@eyesopen.com>
4278 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
4279 the configured assembler supports the x87's ffreep mnemonic.
4280 * configure: Regenerate.
4281 * config.in: Regenerate.
4283 * config/i386/i386.c (output_387_ffreep): New function.
4284 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
4285 (output_387_reg_move): Likewise.
4287 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
4289 Port to hosts whose 'sort' and 'tail' implementations
4290 treat operands with leading '+' as file names, as POSIX
4291 has required since 2001. However, make sure the code still
4292 works on pre-POSIX hosts.
4293 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
4294 which says you should use "tail -c +N" rather than "tail +Nc".
4295 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
4297 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
4299 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
4302 2006-07-06 David Edelsohn <edelsohn@gnu.org>
4305 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
4306 PRE_{INC,DEC} of TFmode.
4308 2006-07-06 David Edelsohn <edelsohn@gnu.org>
4309 Alan Modra <amodra@bigpond.net.au>
4312 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
4315 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4318 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
4319 Remove duplicate gtu.
4321 2006-07-05 Jason Merrill <jason@redhat.com>
4325 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
4326 * c-common.c (handle_packed_attribute): So don't copy it here.
4327 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
4329 2006-07-05 Mike Stump <mrs@apple.com>
4331 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
4333 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
4336 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
4338 2006-07-05 Richard Guenther <rguenther@suse.de>
4341 * config/i386/i386.md (*negdf2_1): Restrict pattern to
4342 TARGET_SSE2 targets if using SSE math.
4343 (*absdf2_1): Likewise.
4345 2006-07-05 Richard Guenther <rguenther@suse.de>
4347 PR tree-optimization/28162
4348 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
4349 make sure to convert the operands to the correct type.
4351 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
4353 PR tree-optimization/28218
4355 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
4356 to calculate and free the dominator information.
4358 2006-07-04 Peter O'Gorman <peter@pogma.com>
4360 * mklibgcc.in: chmod 644 before ranlib during install.
4362 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
4363 J"orn Rennecke <joern.rennecke@st.com>
4365 * configure.ac (.eh_frame data check): Use diff -b.
4367 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
4370 * Makefile.in (BUILD_RTL): Add build/vec.o.
4371 (build/gencondmd.o): Filter out -fkeep-inline-functions.
4372 (build/genextract): Delete.
4373 (build/genautomata): Likewise.
4375 2006-07-04 Alan Modra <amodra@bigpond.net.au>
4378 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
4379 128-bit IBM long doubles for ABI_V4.
4381 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
4383 * tree.c (range_in_array_bounds_p): New predicate.
4384 * tree.h (range_in_array_bounds_p): Declare it.
4385 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
4386 return a less conservative answer.
4387 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
4388 and flag 'is_group'.
4389 (IS_ELEMENT_FOR_GROUP): New macro.
4390 (FOR_EACH_ACTUAL_CHILD): Likewise.
4391 (next_child_for_group): New helper function.
4392 (can_completely_scalarize_p): Take into account groups.
4393 (sra_hash_tree): Handle RANGE_EXPR.
4394 (sra_elt_eq): Likewise.
4395 (lookup_element): Be prepared for handling groups.
4396 (is_valid_const_index): Delete.
4397 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
4398 instead of is_valid_const_index.
4399 <ARRAY_RANGE_REF>: New case.
4400 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
4401 is_valid_const_index.
4402 <ARRAY_RANGE_REF>: Do not unconditionally punt.
4403 (scan_dump): Dump info for groups too.
4404 (decide_instantiation_1): Likewise.
4405 (decide_block_copy): Assert that the element is not a group.
4406 Propagate decision to groups.
4407 (generate_one_element_ref): Handle RANGE_EXPR.
4408 (mark_no_warning): Iterate over actual childs.
4409 (generate_copy_inout): Likewise.
4410 (generate_element_copy): Likewise.
4411 (generate_element_zero): Likewise.
4412 (generate_element_init_1): Likewise.
4413 (dump_sra_elt_name): Handle RANGE_EXPR.
4415 2006-07-03 Roger Sayle <roger@eyesopen.com>
4417 PR tree-optimization/26251
4418 * tree-ssa-threadupdate.c (redirection_block_p): New function.
4419 (thread_block): When optimizing for size refuse to thread jumps
4420 that would require duplication of blocks other than redirection
4423 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
4425 * configure.ac: Fix thinko in previous check-in.
4426 * configure: Regenerate.
4428 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
4431 * configure.ac (for lang...): Simplify nesting of conditionals.
4432 Test subdir_requires for non-enabled languages. Move processing
4433 of lang_opt_files and lang_tree_fiels below that test.
4434 * configure: Regenerate.
4435 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
4437 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
4439 * doc/gcov.texi (Invoking Gcov): Add a missing word.
4441 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
4443 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
4446 2006-06-29 Jason Merrill <jason@redhat.com>
4453 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
4454 * c-common.c (c_determine_visibility): Handle it here.
4455 * c-decl.c (finish_decl): Call c_determine_visibility for
4457 * flags.h (enum symbol_visibility): Sort from most to least visibility.
4459 * varasm.c (default_assemble_visibility): Likewise.
4460 * c-common.c (handle_visibility_attribute): Complain about trying
4461 to give visibility to an already defined class, or trying to change
4462 declared visibility. Always attach the attribute.
4467 * attribs.c (decl_attributes): Ignore type-in-place attributes
4468 once the type has been defined.
4470 2006-06-29 Roger Sayle <roger@eyesopen.com>
4473 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
4474 to indicate the cpplib has issued an error message for us.
4476 2006-06-29 Asher Langton <langton2@llnl.gov>
4479 * config/i386/i386.c (ix86_output_function_epilogue): Don't
4480 insert a label at the end of an function under Mach-O.
4482 2006-06-29 Eric Christopher <echristo@apple.com>
4483 Evan Cheng <evan.cheng@apple.com>
4485 * predicates.md (vector_all_ones_operand): New.
4486 (nonimmediate_or_sse_const_operand): Ditto.
4487 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
4488 * config/i386/i386.c (standard_sse_constant_opcode): Define.
4489 (standard_sse_mode_p): Ditto.
4490 (standard_sse_constant_p): Add case for -1 vector.
4491 (ix86_expand_vector_move): Try to use.
4492 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
4493 Call standard_sse_constant_opcode.
4494 (*movv4sf_internal): Ditto.
4495 (*movv2df_internal): Ditto.
4497 2006-06-29 Roger Sayle <roger@eyesopen.com>
4499 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
4500 of XEXP to extract the operands of a MATCH_CODE rtx.
4502 2006-06-28 Andrew Pinski <pinskia@gmail.com>
4504 * tree.c (tree_size): Do not waste tail padding in
4505 struct tree_string and make the size be the same as
4506 build_string will generate.
4508 2006-06-28 Jason Merrill <jason@redhat.com>
4511 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
4512 may_aliases already in the tag's annotations to the bitmap.
4514 2006-06-28 Roger Sayle <roger@eyesopen.com>
4516 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
4518 2006-06-28 Roger Sayle <roger@eyesopen.com>
4520 * genpreds.c (generate_switch_p): New function.
4521 (add_mode_tests): Push the new mode test down inside an AND expr
4522 if this allows the switch-suitable MATCH_CODE to be near the root.
4523 (write_match_code_switch): New function to write a MATCH_CODE as
4525 (write_predicate_stmts): New function to write a predicate RTX
4526 expression as a sequence of statements.
4527 (write_one_predicate_function): Use write_predicate_stmts.
4528 (write_tm_constrs_h): Likewise.
4530 2006-06-26 Fred Fish <fnf@specifix.com>
4532 * config/mips/t-sb1: New file.
4533 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
4536 2006-06-26 DJ Delorie <dj@redhat.com>
4538 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
4540 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
4541 Jayant Sonar <jayants@kpitcummins.com>
4542 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
4544 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
4545 (subsi3, subsi3_1, subsi3_2): New.
4546 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
4547 * config/m32c/mov.md (SI mov peephole): New.
4548 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
4549 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
4551 2006-06-26 Olivier Hainque <hainque@adacore.com>
4553 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
4554 a CALL_EXPR target function declaration.
4556 2006-06-26 Richard Guenther <rguenther@suse.de>
4558 * tree.c (build_string): Do not waste tail padding in
4561 2006-06-26 Richard Guenther <rguenther@suse.de>
4563 * ggc-page.c (init_ggc): Add missing element to size_lookup
4567 2006-06-23 Richard Guenther <rguenther@suse.de>
4569 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
4570 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
4571 alignment requests instead. Add verification code.
4572 Add struct tree_function_decl and struct tree_binfo size to
4573 extra_order_size_table. Add missing element to size_lookup
4576 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
4579 * fold-const.c (const_binop): Be prepared for self returning zero.
4580 Simplify code handling complex values.
4582 2006-06-24 Olivier Hainque <hainque@adacore.com>
4584 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
4585 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
4588 2006-06-24 Olivier Hainque <hainque@adacore.com>
4590 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
4591 ARRAY_REF, so have the callback called for the low bound expression.
4593 2006-06-23 Janis Johnson <janis187@us.ibm.com>
4595 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
4596 * c-typeck.c (c_common_type): Disallow operations on decimal float
4597 types and other float types.
4598 * convert.c (convert_to_real): Don't ignore conversions involving
4599 decimal float types.
4601 2006-06-23 Olivier Hainque <hainque@adacore.com>
4603 * tree.c (max_int_size_in_bytes): New function, inspired from
4604 code in function.c:assign_temp.
4605 * tree.h (max_int_size_in_bytes): Declare.
4606 * function.c (assign_temp): Use it.
4607 * gimplify.c (create_tmp_var): Relax the assertions on the type
4608 properties, not mandating constant size any more.
4609 (force_constant_size): New static function.
4610 (gimple_add_tmp_var): Use it, forcing variable size to a
4611 constant upper bound if it is not constant on entry.
4613 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
4616 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
4617 for initialization and setting of one_only flag to ...
4618 (i386_pe_encode_section_info): ...here.
4619 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
4620 Recheck that the symbol has not been defined.
4622 2006-06-23 Richard Guenther <rguenther@suse.de>
4624 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
4625 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
4626 alignment requests instead. Add verification code.
4627 Add struct tree_function_decl and struct tree_binfo size to
4628 extra_order_size_table. Add missing element to size_lookup
4631 2006-06-22 Roger Sayle <roger@eyesopen.com>
4632 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4635 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
4636 call to lang_hooks.types.type_for_mode returned NULL_TREE.
4638 2006-06-23 Ben Elliston <bje@au.ibm.com>
4640 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
4641 negate dn -- manipulate it directly.
4643 2006-06-22 Roger Sayle <roger@eyesopen.com>
4644 Steven Bosscher <stevenb.gcc@gmail.com>
4647 * reload1.c (gen_reload): Call mark_jump_label on the new insns
4648 generated by gen_move_insn to add REG_LABEL notes if necessary.
4650 2006-06-22 Bob Wilson <bob.wilson@acm.org>
4652 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
4653 (leaf_entry): Remove use of MIN_ESA.
4655 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
4657 PR rtl-optimization/28121
4658 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
4661 2006-06-21 DJ Delorie <dj@redhat.com>
4663 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
4665 (mulhisi3_r): Likewise.
4667 2006-06-21 Richard Sandiford <richard@codesourcery.com>
4670 * coverage.c (coverage_counter_alloc): Leave the index type
4672 (coverage_counter_alloc): Use null arguments for operands 2 and 3
4675 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
4677 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
4678 section from the "Options for Code Generation Conventions".
4680 2006-06-21 Richard Henderson <rth@redhat.com>
4684 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
4686 (global_symbolic_operand): Allow weak symbols, even if local_p.
4688 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
4690 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
4691 (find_interesting_uses_address): Punt if above function returns true.
4693 2006-06-21 Richard Guenther <rguenther@suse.de>
4695 * configure: Regenerated.
4697 2006-06-21 Joseph Myers <joseph@codesourcery.com>
4699 * config/mips/mips.c (function_arg): Where one part of a
4700 complex argument is in registers and the other part in the stack,
4701 return a REG not a PARALLEL.
4703 2006-06-21 Mark Mitchell <mark@codesourcery.com>
4705 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
4706 when cross-compiling. Do not substitute libstdcxx_incdir.
4707 * configure: Regenerated.
4709 2006-06-21 Jakub Jelinek <jakub@redhat.com>
4711 * varasm.c (mergeable_string_section): Check for embedded NULs and
4712 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
4713 rather than TREE_STRING_LENGTH bytes.
4715 2006-06-21 Richard Guenther <rguenther@suse.de>
4717 * ggc-page.c (extra_order_size_table): Add var_ann_d,
4718 tree_ssa_name, bitmap_element and phi_node with 4 arguments
4721 2006-06-21 Richrad Guenther <rguenther@suse.de>
4723 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
4724 Limit iteration over the dominators.
4726 2006-06-20 Roger Sayle <roger@eyesopen.com>
4728 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
4729 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
4731 2006-06-20 Richard Guenther <rguenther@suse.de>
4732 Michael Matz <matz@suse.de>
4734 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
4736 * alloc-pool.c (free_alloc_pool_if_empty): New function.
4737 * et-forest.h (et_free_pools): Prototype new function.
4738 * et-forest.c (et_free_tree_force): Free parent occurrence.
4739 (et_free_pools): New function.
4740 * dominance.c (free_dominance_info): Free et-forest alloc
4743 2006-06-20 Roger Sayle <roger@eyesopen.com>
4745 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
4746 integer modes, attempt to directly construct an integer constant.
4748 * fold-const.c (native_encode_vector): Determine the size of each
4749 element from the vector type instead of the first vector element.
4751 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
4752 if all of its elements/components are constant.
4753 (build_constructor_from_list): Likewise.
4755 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
4757 PR tree-optimization/27331
4758 * tree-data-ref.c (free_data_ref): New function.
4759 (create_data_ref): Fail if the data reference has unknown access
4761 (free_data_refs): Use free_data_ref.
4763 2006-06-19 Andrew Pinski <pinskia@gmail.com>
4766 * tree-inline.c (setup_one_parameter): Strip useless
4767 type conversion before adding it to the IR.
4768 (declare_return_variable): Likewise.
4770 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
4773 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
4775 2006-06-19 Mike Stump <mrs@apple.com>
4777 * tree.c (variably_modified_type_p): VM arguments don't make the
4780 2006-06-19 Richard Guenther <rguenther@suse.de>
4782 * tree-ssa-pre.c (try_combine_conversion): Strip useless
4783 type conversions after folding.
4785 2006-06-19 Richard Guenther <rguenther@suse.de>
4787 * ggc-page.c (extra_order_size_tab): Add entries with
4788 size of struct function and basic_block.
4789 (size_lookup): Extend to cover sizes up to 511.
4790 (ggc_alloc_stat): Adjust user.
4791 (ggc_pch_count_object): Likewise.
4792 (ggc_pch_alloc_object): Likewise.
4793 (ggc_pch_write_object): Likewise.
4795 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
4797 * tree-ssa-loop-niter.c (implies_ge_p): New function.
4798 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
4801 2006-06-19 Denis Chertykov <denisc@overta.ru>
4803 * config/avr/libgcc.S : Correct my wrong previous commit.
4805 2006-06-19 Roger Sayle <roger@eyesopen.com>
4808 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
4809 have stripped a SUBREG from the shift count, so we may need to
4810 convert_to_mode back to the type's mode before calling make_tree.
4811 Use new_amount instead of amount to avoid expanding a tree twice.
4813 2006-06-19 Richard Guenther <rguenther@suse.de>
4816 * fold-const.c (operand_equal_p): Check if the argument types
4817 have the same precision before stripping NOPs.
4819 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
4821 Fix PR tree-optimization/27341
4822 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
4824 * tree-complex.c (pass_lower_complex): Update SMT usage.
4826 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
4828 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
4829 Add a new alternative to the constraint strings. Add move of
4830 operand 1 to 3 to the splitter definition.
4831 ("doloop_si_long"): Second contraint alternative removed.
4833 2006-06-08 Anatoly Sokolov <aesok@post.ru>
4835 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
4836 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
4838 (AVR_HAVE_MOVW) Define.
4839 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
4840 (ASM_SPEC): Add avr25.
4841 (LINK_SPEC): Add avr25.
4842 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
4843 (base_arch_s): Add new member 'have_movw_lpmx'.
4844 (avr_arch_types): Init 'have_movw_lpmx'.
4845 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
4846 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
4847 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
4848 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
4849 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
4851 (avr_file_start): Do not output '.arh' derective.
4852 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
4853 (__do_copy_data): Use __AVR_HAVE_LPMX__.
4854 * config/avr/avr.md (mcu_enhanced): Delete.
4855 (mcu_have_movw): Define.
4856 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
4857 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
4858 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
4859 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
4860 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
4861 attiny861 and at86rf401 devices.
4863 2006-06-18 Jie Zhang <jie.zhang@analog.com>
4865 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
4868 2006-06-17 Karl Berry <karl@gnu.org>
4870 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
4871 doc/gccint.texi, doc/install.texi (@dircategory): Use
4872 "Software development" instead of "Programming", following
4873 the Free Software Directory.
4875 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
4877 * config/i386/i386.c (legitimate_tls_address)
4878 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
4879 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
4880 (*tls_dynamic_gnu2_combine_64): Likewise.
4882 2006-06-16 Richard Guenther <rguenther@suse.de>
4885 * fold-const.c (negate_expr_p): Do not introduce undefined
4886 overflow in negating INTEGER_CSTs.
4887 (fold_negate_expr): Rename from negate_expr. Revert last
4888 change for folding BIT_NOT_EXPR. Change semantics to
4889 return NULL_TREE for non-simplified negations. Do not
4890 strip type conversions and unify type handling.
4891 (negate_expr): New function, wrap around fold_negate_expr
4892 but ensure building a tree always. Strip type conversions
4893 here, fold to result type.
4894 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
4896 2006-06-16 Roger Sayle <roger@eyesopen.com>
4899 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
4900 that (would) return their results in stack registers.
4902 2006-06-16 Michael Matz <matz@suse.de>
4903 Richard Guenther <rguenther@suse.de>
4905 * fold-const.c (fold_truthop): Only return new tree node if
4906 we canonicalized something.
4908 2006-06-16 Richard Guenther <rguenther@suse.de>
4910 * function.h (enum function_frequency): Move declaration
4911 out of struct function.
4912 (struct function): Move bool fields and the enum to the bitfield
4913 section. Reorder elements to avoid padding. Remove unused
4914 fields left over from the RTL inliner removal.
4915 * function.c (free_after_compilation): Do not zero removed fields.
4916 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
4917 (ipa-type-escape.o): Likewise.
4919 2006-06-16 Richard Guenther <rguenther@suse.de>
4921 * cgraph.h (struct cgraph_local_info): Turn bool elements
4923 (struct cgraph_node): Likewise.
4924 (struct cgraph_varpool_node): Likewise.
4926 2006-06-15 Richard Guenther <rguenther@suse.de>
4928 * fold-const.c (fold_truth_not_expr): Rename from
4929 invert_truthvalue. Give it fold_* semantics to avoid
4931 (invert_truthvalue): New function. Wrapper around
4932 fold_truth_not_expr.
4933 (optimize_minmax_comparison): Avoid creating garbage.
4934 (fold_unary): Use fold_truth_not_expr for folding
4936 (fold_ternary): Replace uses of invert_truthvalue with
4937 fold_truth_not_expr where applicable.
4938 * tree.h (fold_truth_not_expr): Prototype.
4940 2006-06-16 Richard Guenther <rguenther@suse.de>
4942 PR tree-optimization/27781
4943 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
4944 * ipa-pure-const.c (target.h): Include.
4945 (analyze_function): Do not analyze functions that do not
4948 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
4951 * tree-dfa.c (referenced_vars_dup_list): Remove.
4952 (find_referenced_vars): Remove assert.
4953 (referenced_var_check_and_insert): Replace dup list with assert.
4954 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
4955 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
4957 2006-06-15 Richard Guenther <rguenther@suse.de>
4959 * tree-ssa-structalias.c (alias_get_name): Avoid creating
4960 extra unused identifiers if not dumping.
4961 (create_variable_info_for): Likewise.
4963 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
4965 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
4966 (derive_constant_upper_bound): Derive more precise upper bound in
4967 common cases. Return type changed to double_int.
4968 (record_estimate): Reflect the changed return type of
4969 derive_constant_upper_bound.
4970 * double-int.c (double_int_zext, double_int_sext): Fix.
4972 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
4974 * configure.ac (CFLAGS): Get them from the toplevel or from the
4975 configure invocation.
4976 * configure: Regenerate.
4977 * Makefile.in (CFLAGS): Substitute value provided by configure.
4979 2006-06-14 Mark Mitchell <mark@codesourcery.com>
4982 * c-common.h (c_finish_omp_atomic): Adjust declaration.
4983 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
4984 rather than calling add_stmt on it.
4985 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
4987 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
4990 * reload1.c (reload): Remove registers returned by update_eliminables
4991 from used_spill_regs.
4993 2006-06-13 DJ Delorie <dj@redhat.com>
4995 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
4997 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
4999 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
5000 html__strip_dir, html__mkdir_p. Enhance install-html target.
5001 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
5002 * configure: Regenerate.
5004 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
5006 * fold-const.c (fold_cond_expr_with_comparison): Check for
5007 Objective-C++ as language in deciding COND_EXPR transformation.
5009 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
5012 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
5013 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
5014 * config/sh/lib1funcs.h (SL, SL1): Define.
5015 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
5016 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
5017 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
5018 (OBJS_Os_4_200): New variable.
5019 ($(T)libgcc-Os-4-200.a): Use it.
5020 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
5021 when dividing 1 and/or by 0.
5023 2006-06-13 Roger Sayle <roger@eyesopen.com>
5025 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
5026 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
5027 * configure: Regenerate.
5029 2006-06-13 Jie Zhang <jie.zhang@analog.com>
5031 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
5032 for real instruction.
5034 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5037 * haifa-sched.c (check_cfg): Handle special case.
5039 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
5042 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
5043 Add debug_info parameter. Chain the vars to the BLOCK instead
5044 of the BIND_EXPR if debug info are requested for them.
5045 (pop_gimplify_context): Adjust for above change.
5046 (gimple_add_tmp_var): Likewise.
5047 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
5049 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
5050 (convert_local_reference): Likewise.
5051 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
5052 (finalize_nesting_tree_1): Request that debug info be emitted
5053 for debug_var_chain.
5055 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5057 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
5058 for PR target/27863.
5060 2006-06-13 Richard Guenther <rguenther@suse.de>
5063 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
5065 2006-06-13 Richard Guenther <rguenther@suse.de>
5067 PR tree-optimization/27830
5068 * tree-inline.c (copy_body_r): For copying the operand
5069 of an ADDR_EXPR make sure to fold &* afterwards.
5071 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
5073 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
5074 lvalues in the fb_none case with side-effects.
5076 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
5078 * tree-flow.h: Remove the prototype for
5079 compute_phi_arg_on_exit.
5080 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
5081 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
5084 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
5086 * builtins.c (expand_builtin_return_addr): Only use
5087 frame_pointer_rtx when count == 0 and we are expanding
5088 __builtin_return_address.
5090 2006-06-12 Fred Fish <fnf@specifix.com>
5092 * config/mips/mips.c (mips_file_start): Create special section
5093 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
5095 2006-06-11 Eric Christopher <echristo@apple.com>
5098 * stor-layout.c (place_field): Remove check for
5099 remaining_in_alignment when aligning at the end of a run.
5101 2006-06-11 Eric Christopher <echristo@apple.com>
5104 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
5107 2006-06-11 Roger Sayle <roger@eyesopen.com>
5110 Revert incorrect fix for PR target/27158
5111 2006-05-08 Roger Sayle <roger@eyesopen.com>
5112 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
5113 of a reg_equiv_constant if the result is a legitimate constant.
5115 2006-06-11 Roger Sayle <roger@eyesopen.com>
5118 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
5119 extract a CONST_VECTOR element and interpret it as an integer.
5120 (vspltis_constant): Use const_vector_elt_as_int instead of the
5121 macro CONST_VECTOR_ELT in order to handle FP vector modes.
5122 * config/rs6000/predicates.md (easy_vector_const): Consider
5123 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
5125 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
5128 * stor-layout.c (update_alignment_for_field): Don't add extra
5129 alignment for packed non-bitfield fields in ms_bitfield_layout_p
5132 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
5134 * config/mips/t-rtems: Add EL/EB multilib variants.
5136 2006-06-09 Mike Stump <mrs@apple.com>
5138 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
5140 2006-06-09 David Daney <ddaney@avtrex.com>
5142 * doc/install.texi: Add binutils version recommendation for mips-*-*.
5144 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
5146 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
5148 2006-06-09 Richard Guenther <rguenther@suse.de>
5150 PR tree-optimization/26998
5151 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
5152 of signed types, only TYPE_MIN_VALUE is special, but for both,
5153 minimum and maximum value. Likewise VR_ANTI_RANGE is special
5154 in this case, as is -fwrapv.
5156 2006-06-08 Mike Stump <mrs@apple.com>
5159 * config/darwin.c (darwin_asm_output_anchor): Disable
5160 -fsection-anchors on darwin for now.
5161 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
5162 * rs6000/rs6000.c (optimization_options): Likewise.
5164 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5167 * config/i386/i386.c (classify_argument): Skip fields with invalid
5170 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
5172 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
5173 (cse_insn): Likewise for the stack_pointer_rtx.
5175 2006-06-08 Roger Sayle <roger@eyesopen.com>
5177 * tree-ssa-dom.c (record_conditions): Only record "unordered"
5178 conditions from floating point comparisons.
5180 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
5183 * expmed.c (struct alg_hash_entry): Fix type of field T
5184 to match synth_mult argument.
5185 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
5187 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5190 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
5193 2006-06-08 Richard Guenther <rguenther@suse.de>
5196 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
5197 only, if overflow is defined and not trapping.
5198 (negate_expr): Likewise.
5200 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
5202 PR tree-optimization/27872
5203 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
5204 flag on the new exit edge of the unrolled loop.
5206 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
5208 PR rtl-optimization/26449
5209 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
5211 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
5214 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
5215 referenced_variables with matching DECL_UID's.
5216 (find_referenced_vars): Make sure duplicate list is empty to start.
5217 (referenced_var_p): Remove.
5218 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
5219 Check if var is in the list, and add if needed. Update the duplicate
5220 list if a different var is in the list with the same DECL_UID.
5221 (add_referenced_var): Call routine to check and insert.
5222 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
5223 * tree-flow.h (referenced_vars_dup_list): External declaration.
5225 2006-06-07 Fred Fish <fnf@specifix.com>
5227 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
5230 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
5233 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
5234 the imaginary and real parts of a clobbered register.
5235 Emit insn to set the imaginary part.
5237 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
5239 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
5240 in lieu of unwind-dw2-fde.c.
5242 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
5244 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
5246 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
5249 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
5250 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
5251 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
5252 V4SImode temporaries and operations instead.
5254 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
5256 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
5259 2006-06-06 Mike Stump <mrs@apple.com>
5261 * Makefile.in: Rename to htmldir to build_htmldir to avoid
5262 installing during build.
5264 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5266 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
5268 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
5269 * config/ia64/ia64.c (params.h): New header.
5270 (ia64_optimization_options): New function to adjust parameters.
5271 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
5272 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
5273 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
5275 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
5277 * stor-layout.c (debug_rli): Fix a typo in a debug message.
5279 2006-06-05 Steve Ellcey <sje@cup.hp.com>
5282 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
5284 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
5285 Victor Kaplansky <victork@il.ibm.com>
5287 PR tree-optimization/26360
5288 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
5291 2006-06-04 Roger Sayle <roger@eyesopen.com>
5292 Andrew Pinski <pinskia@physics.uc.edu>
5295 * c-common.c (c_common_truthvalue_conversion): Explicitly check
5296 for LABEL_DECL before calling DECL_WEAK.
5299 * c-typeck.c (build_binary_op): Likewise, explicitly check for
5300 LABEL_DECL and PARM_DECL.
5302 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
5306 * c-decl.c (grokdeclarator): Disallow variably modified types at
5307 file scope. Avoid marking shared array type of constant size as
5310 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5313 * c-common.c (fold_offsetof_1): Handle static members.
5315 2006-06-04 Eric Christopher <echristo@apple.com>
5317 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
5318 (debug_rli): Output value for remaining_in_alignment.
5319 (update_alignment_for_field): Unconditionalize
5320 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
5321 extra alignment code.
5322 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
5323 ms_bitfield_layout_p code. Rewrite handling of structure fields.
5324 * tree.h (record_layout_info_s): Remove prev_packed.
5325 * doc/extend.texi (ms_struct): Add documentation of format.
5327 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
5329 * tree.h: Declare folding_initializer.
5330 * builtins.c (fold_builtin_constant_p): Give definite answer
5331 if folding inside an initializer.
5332 * fold-const.c: Define folding_initializer.
5333 (START_FOLD_INIT): Save and then set folding_initializer.
5334 (END_FOLD_INIT): Restore folding_initializer.
5336 2006-06-04 Richard Guenther <rguenther@suse.de>
5338 PR tree-optimization/27039
5339 * fold-const.c (fold_comparison): Handle pointer comparison
5340 again for all comparison codes. Compare offsets in signed
5342 (fold_binary): Move code from here.
5344 2006-06-03 Roger Sayle <roger@eyesopen.com>
5347 * config/i386/i386.c (construct_container): Split static issued_error
5348 flag into issued_sse_arg_error, issued_sse_ret_error and
5349 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
5350 requires the use of x87 registers and the user explicitly
5351 specified the -mno-80387 command line option.
5353 2006-06-02 Geoffrey Keating <geoffk@apple.com>
5355 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
5356 HAVE_DECL_SIGALTSTACK.
5358 (segv_handler): Use MC_FLD.
5359 * configure.ac: Check for a sigaltstack declaration.
5360 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
5361 * configure: Regenerate.
5362 * config.in: Regenerate.
5364 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
5367 * Makefile.in (stmp-fixinc): Fix typo.
5369 2006-06-02 Roger Sayle <roger@eyesopen.com>
5371 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
5372 are type correct. Clean-up.
5373 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
5374 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
5376 2006-06-01 DJ Delorie <dj@redhat.com>
5378 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
5379 shift, as we've disabled the "switch" insn that needs it.
5381 2006-06-01 Per Bothner <bothner@bothner.com>
5383 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
5384 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
5385 * c-ppoutput.c (cb_define): Don't increment line 0.
5387 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
5389 * doc/invoke.texi: Add cpu_type power6.
5390 * config.gcc: Add cpu_type power6.
5391 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
5392 to power5+ with Altivec.
5393 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
5394 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
5396 2006-05-30 Anatoly Sokolov <aesok@post.ru>
5398 * config/avr/avr.h (SET_ASM_OP): Define.
5400 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
5402 * config/bfin/bfin.c: Fix comment typos.
5404 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
5407 * doc/install.texi: Document --enable-bootstrap and
5408 --disable-bootstrap.
5410 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
5412 * doc/install.texi: Document that InfoZIP can replace jar.
5414 2006-05-31 Roger Sayle <roger@eyesopen.com>
5416 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
5417 isn't available, directly generate the simpler x87 patterns without
5418 the (use (const_int 0)).
5419 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
5420 implementation isn't available.
5421 (*negdf2_1): Likewise.
5422 (*negxf2_1): XF mode negation is always done using the x87.
5423 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
5425 2006-05-31 Roger Sayle <roger@eyesopen.com>
5427 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
5428 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
5430 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
5432 2006-05-31 Jie Zhang <jie.zhang@analog.com>
5434 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
5435 * config/bfin/bfin.c (basic-block.h): Include.
5436 (struct machine_function): New.
5437 (bfin_init_machine_status): New.
5438 (override_options): Initialize init_machine_status.
5439 (bfin_hardware_loop): New.
5440 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
5441 (DEF_VEC_P (loop_info)): New.
5442 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
5443 (struct loop_info): New.
5444 (loop_info): New typedef.
5445 (struct loop_work): New.
5446 (loop_work): New typedef.
5447 (DEF_VEC_O (loop_work)): New.
5448 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
5449 (bfin_dump_loops): New.
5450 (bfin_bb_in_loop): New.
5451 (bfin_scan_loop): New.
5452 (bfin_optimize_loop): New.
5453 (bfin_reorg_loops): New.
5454 (bfin_reorg): Use bfin_reorg_loops.
5455 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
5457 (I_REGNO_P): Simplify.
5458 (DP_REGNO_P, DPREG_P): New macros.
5459 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
5460 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
5461 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
5462 Add LT_REGS, LC_REGS, LB_REGS.
5463 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
5465 (REGNO_REG_CLASS): Deal with loop registers.
5466 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
5468 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
5469 New constants for loop registers.
5470 (UNSPEC_LSETUP_END): New.
5471 (seq_insns): New define_attr. Set it for appropriate insns.
5472 (movsi_insn): Add alternatives for move from/to
5473 loop count registers.
5474 (doloop_end): New define_expand.
5475 (loop_end): New define_insn.
5476 (define_split for bad doloop_end): New.
5477 (lsetup_with_autoinit): New define_insn.
5478 (lsetup_without_autoinit): New define_insn.
5479 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
5480 * config/bfin/predicates.md (lc_register_operand): New.
5481 (lt_register_operand): New.
5482 (lb_register_operand): New.
5483 (nondp_register_operand): New.
5484 (nondp_reg_or_memory_operand): New.
5485 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
5487 2006-05-31 Jie Zhang <jie.zhang@analog.com>
5489 * config/bfin/bfin.c (bfin_delegitimize_address): New.
5490 (TARGET_DELEGITIMIZE_ADDRESS): Define.
5492 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
5494 * Makefile.in (CATALOGS): Add po/ prefix.
5495 * configure: Regenerated.
5497 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
5500 * arm.c (arm_print_operand case 'S'): Validate that the operand is
5501 a shift operand before calling shift_op. Avoid redundant call of
5504 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
5505 DJ Delorie <dj@redhat.com>
5507 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
5508 we're inserting is a singlt-bit constant.
5510 2006-05-30 Roger Sayle <roger@eyesopen.com>
5512 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
5513 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
5515 2006-05-30 Roger Sayle <roger@eyesopen.com>
5517 PR tree-optimization/23452
5518 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
5519 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
5520 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
5521 complex values and with -ffast-math for FP complex values.
5523 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
5525 * c-common.h: Remove the prototype for yyparse.
5526 * rtl.h: Remove the prototype for init_loop.
5528 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
5530 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
5533 2006-05-30 Roger Sayle <roger@eyesopen.com>
5535 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
5537 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
5538 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
5540 2006-05-30 Dirk Mueller <dmueller@suse.de>
5543 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
5544 for CONSTANT_CLASS_P expresisons.
5546 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5549 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
5551 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
5553 PR tree-optimization/27779
5554 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
5555 initial_condition instead of CHREC_LEFT.
5557 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
5559 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
5560 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
5561 Make prototypes ISO C90.
5563 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
5564 Leehod Baruch <leehod.baruch@weizmann.ac.il>
5566 * see.c (see_analyze_one_def): Correct check.
5567 (see_get_extension_data): Check if extension is parallel.
5568 (see_get_extension_reg): Likewise.
5570 2006-05-30 Uros Bizjak <uros@kss-loka.si>
5573 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
5574 into register for (code == GTU).
5576 2006-05-29 Roger Sayle <roger@eyesopen.com>
5578 PR tree-optimization/24964
5579 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
5580 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
5581 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
5582 abs(x)*abs(x) as x*x for scalar floating point modes.
5584 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
5587 * lambda-code.c (perfect_nestify): Don't copy statements
5588 in the inner loop: move them to the inner loop header.
5590 2006-05-29 Diego Novillo <dnovillo@redhat.com>
5593 * c-tree.texi: Document OpenMP directives and clauses.
5595 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
5597 * varasm.c (globalize_decl): Fix indentation.
5599 2006-05-29 Diego Novillo <dnovillo@redhat.com>
5602 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
5603 pass_fre, pass_store_ccp, pass_copy_prop,
5604 pass_store_copy_prop, pass_merge_phi, pass_nrv,
5605 pass_return_slot, pass_object_size, pass_lim,
5606 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
5607 pass_loop_prefetch and pass_stdarg.
5609 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
5611 * config/bfin/bfin.opt (mfdpic): New option.
5612 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
5613 (EXTRA_MULTILIB_PARTS): Likewise.
5614 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
5615 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
5617 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
5618 (CRT_CALL_STATIC_FUNCTION): New.
5619 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
5621 (CRT_CALL_STATIC_FUNCTION): New.
5622 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
5624 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
5625 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
5626 (initialize_trampoline): Changed to handle FD-PIC code generation.
5627 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
5628 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
5629 (override_options): Disallow -mid-shared-library -mfdpic combination.
5630 Can't do unaligned ops if FD-PIC.
5631 Turn off flag_pic if trying to generate non-id-shared-library
5632 non-fdpic code, since it's not supported.
5633 (bfin_assemble_integer): New function.
5634 (TARGET_ASM_INTEGER): Define.
5635 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
5637 * config/bfin/crtn.s: Restore them.
5638 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
5640 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
5641 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
5642 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
5643 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
5644 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
5646 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
5647 FDPIC_REGS and FDPIC_FPTR_REGS.
5648 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
5649 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
5650 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
5651 (load_funcdescsi): New pattern.
5652 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
5653 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
5654 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
5656 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
5658 * gcse.c, rtlanal.c: Remove obsolete comments associated with
5661 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
5663 * tree-flow.h: Remove the prototype for add_type_alias.
5664 * tree-ssa-alias.c (add_type_alias): Remove.
5666 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
5668 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
5669 config/fr30/fr30.md, config/i386/i386-interix.h,
5670 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
5671 config/sh/superh64.h, config/v850/v850.c, df-core.c,
5672 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
5673 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
5674 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
5675 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
5676 Follow spelling conventions.
5677 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
5678 Follow spelling conventions.
5680 2006-05-27 Richard Guenther <rguenther@suse.de>
5683 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
5684 to produce a constant of value 1 of generic type.
5686 2006-05-27 Dirk Mueller <dmueller@suse.de>
5688 * cgraphunit.c (decide_is_function_needed): Fix wrong
5691 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
5693 PR rtl-optimization/27661
5694 * reload.c (find_reloads): When reloading a VOIDmode constant
5695 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
5696 use Pmode as mode of the reload register.
5698 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
5700 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
5701 is enabled at -O and above.
5703 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
5706 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
5709 2006-05-25 Mark Mitchell <mark@codesourcery.com>
5712 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
5713 for anonymous variables explicitly declared by front ends.
5715 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
5717 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
5718 (struct alias_info): Add new field ref_all_symbol_mem_tag.
5719 * tree-ssa-alias.c (compute_may_aliases): If the program contains
5720 ref-all pointers, run a finalization pass for them.
5721 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
5722 (finalize_ref_all_pointers): New function.
5723 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
5724 regular pointer type to a ref-all pointer type.
5725 (get_tmt_for): Return the special memory tag for ref-all pointers.
5727 2006-05-25 Richard Guenther <rguenther@suse.de>
5730 * fold-const.c (fold_binary): Do not look at the stripped
5731 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
5733 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
5735 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
5736 for LT and GT if the computed range is effectively empty.
5738 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5741 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
5742 mips_quad_format formats instead of ieee_single_format,
5743 ieee_double_format and ieee_quad_format formats, respectively.
5745 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
5747 PR tree-optimization/27639
5748 PR tree-optimization/26719
5749 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
5750 call to scev_probably_wraps_p.
5751 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
5752 used_in_pointer_arithmetic_p, convert_step): Removed.
5753 (nowrap_type_p): New function.
5754 (scev_probably_wraps_p): Rewritten.
5755 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
5756 chrec_convert if chrec_convert_aggressive might have been used.
5757 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
5758 scev_direction): New functions.
5759 (chrec_convert): Changed to a wrapper over chrec_convert_1.
5760 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
5761 instead of convert_step.
5762 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
5763 (convert_step): Declaration removed.
5764 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
5766 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
5768 * df-core.c: Added to header comments.
5769 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
5770 df_ur_bb_info, df_urec_bb_info): Added comments.
5771 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
5772 urec, ri problems): Fixed header comments.
5773 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
5774 code from df_rd_transfer_function.
5776 2006-05-23 Richard Sandiford <richard@codesourcery.com>
5778 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
5779 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
5780 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
5782 2006-05-23 Joseph Myers <joseph@codesourcery.com>
5784 * expr.c (undefined_operand_subword_p): New.
5785 (emit_move_multi_word): Do not generate move from undefined bits
5786 of a paradoxical subreg.
5788 2006-05-23 Richard Sandiford <richard@codesourcery.com>
5790 PR rtl-optimization/27736
5791 * combine.c (replaced_rhs_value): New variable.
5792 (combine_instructions): Set it.
5793 (distribute_notes): When distributing a note in replaced_rhs_insn,
5794 check whether the value was used in replaced_rhs_value.
5796 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
5799 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
5800 add_referenced_var instead of add_referenced_tmp_var.
5801 * tree-complex.c (create_one_component_var): Use add_referenced_var.
5802 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
5804 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
5805 tree_optimize_tail_calls_1): Use add_referenced_var.
5806 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
5807 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
5808 Use add_referenced_var.
5809 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
5810 * gimplify.c (force_gimple_operand): Use add_referenced_var.
5811 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
5812 Use add_referenced_var.
5813 * tree-dfa.c (struct walk_state): Remove.
5814 (find_referenced_vars): Remove walk state and vars_found hash table.
5815 (make_rename_temp): Use add_referenced_var.
5816 (find_vars_r): Pass less parameters to add_referenced_var.
5817 (referenced_var_p): New. Is var in referenced_var hash table.
5818 (referenced_var_insert): Assert var isn't already in hash table.
5819 (add_referenced_var): Don't need walk_state parameter. Add var if it
5820 isn't already in the hash table.
5821 (add_referenced_tmp_var): Remove.
5822 (find_new_referenced_vars_1): Use add_referenced_var.
5823 * tree-ssa-pre.c (create_expression_by_pieces,
5824 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
5825 Use add_referenced_var.
5826 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
5827 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
5828 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
5830 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
5831 vect_create_data_ref_ptr, vect_create_destination_var,
5832 vect_init_vector, vect_build_loop_niters,
5833 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
5834 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
5835 Use add_referenced_var.
5836 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
5837 * tree-flow.h (add_referenced_tmp_var): Remove prototype
5838 (add_referenced_var): Add prototype.
5839 * tree-ssa-structalias.c (get_constraint_for,
5840 intra_create_variable_infos): Use add_referenced_var.
5842 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
5844 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
5845 big-endian paradoxical subregs.
5846 * var-tracking.c (struct micro_operation_def): Document that,
5847 for modify micro operations, insn is the subsequent instruction.
5848 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
5849 (var_reg_set, var_mem_set): ... new functions.
5850 (add_stores): Record subsequent insn.
5851 (compute_bb_dataflow): Use new functions for MO_USE.
5852 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
5853 notes after the insn, and modify notes before the insn known
5854 to be the subsequent one.
5855 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
5857 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
5860 * config/i386/i386.c (ix86_expand_builtin): Use
5861 gen_sse3_monitor64 for TARGET_64BIT.
5863 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
5865 PR rtl-optimization/26375
5866 PR rtl-optimization/26855
5867 * df-problems (df_ru_bb_local_compute_process_def): Removed update
5869 (df_ru_bb_local_compute): Reversed statements and removed bogus
5870 comment explaining why they should be in wrong order.
5871 (df_ru_dump, df_rd_dump): Enhanced debug info.
5872 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
5874 * ddg.c (add_deps_for_def): Converted use of reaching defs to
5875 reaching uses and fixed space problem.
5877 2006-05-23 Jan Hubicka <jh@suse.cz>
5879 * cgraphunit.c (decide_is_function_needed): Also nested functions
5880 and functions declared inline can be optimized out at -O0.
5882 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
5884 * doc/install.texi (Configuration): Remove reference to CrossGCC
5888 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
5891 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
5892 ix86_compare_emitted is non-NULL.
5894 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5897 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
5900 2006-05-22 Richard Sandiford <richard@codesourcery.com>
5902 PR rtl-optimization/25514
5903 * combine.c (replaced_rhs_insn): New variable.
5904 (combine_instructions): Set replaced_rhs_insn when trying to replace
5905 a SET_SRC with a REG_EQUAL note.
5906 (distribute_notes): Use replaced_rhs_insn when determining the live
5907 range of a REG_DEAD register.
5909 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
5910 Anatoly Sokolov <aesok@post.ru>
5912 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
5913 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
5914 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
5915 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
5916 atmega3290, atmega649, atmega6490, atmega406, atmega640,
5917 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
5918 at90usb647, at90usb1286 and at90usb1287 devices.
5919 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
5920 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
5922 2006-05-22 Richard Sandiford <richard@codesourcery.com>
5924 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
5926 2006-05-22 Richard Guenther <rguenther@suse.de>
5929 2006-01-31 Richard Guenther <rguenther@suse.de>
5930 Paolo Bonzini <bonzini@gnu.org>
5932 * doc/install.texi (--disable-libgcc-math): Document.
5934 2006-05-22 Richard Guenther <rguenther@suse.de>
5937 2006-01-31 Richard Guenther <rguenther@suse.de>
5939 * doc/invoke.texi (-msselibm): Document.
5940 * target.h (expand_library_builtin): New target hook.
5941 * builtins.c (expand_builtin): Use expand_library_builtin.
5942 (default_expand_library_builtin): New function.
5943 * gcc.c (LINK_GCC_MATH_SPEC): Define.
5944 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
5945 (link_gcc_math_spec): Declare.
5946 (static_specs): Add link_gcc_math_spec.
5947 * expr.h (default_expand_library_builtin): Declare.
5948 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5949 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
5950 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
5951 * config/i386/i386.opt (msselibm): New target option.
5952 * config/i386/i386.c (ix86_builtin_function_variants): New array.
5953 (ix86_init_sse_abi_builtins): New function.
5954 (ix86_expand_library_builtin): Likewise.
5955 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5956 (override_options): Handle error conditions wrt -msselibm.
5957 (ix86_builtins): Add function codes for SSE2 ABI builtins.
5958 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
5959 * doc/extend.texi (__builtin_sse2_*): Document new target specific
5962 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5965 * c-common.c (self_promoting_args_p): Skip erroneous args.
5968 * c-decl.c (finish_struct): Skip erroneous fields.
5970 2006-05-22 Nick Clifton <nickc@redhat.com>
5972 * config/cris/cris.opt (march): Remove VarExists attribute.
5973 (max-stackframe=): Likewise.
5975 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
5977 * doc/rtl.texi: Fix a typo.
5978 * see.c: Fix comment typos.
5980 * tree-ssa-structalias.h (alias_info): Remove num_references.
5982 2006-05-21 Mike Stump <mrs@apple.com>
5984 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
5986 (darwin_pragma_options): Use BAD instead.
5987 (darwin_pragma_unused): Likewise.
5988 (darwin_pragma_ms_struct): Likewise.
5990 2006-05-21 David Edelsohn <edelsohn@gnu.org>
5992 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
5994 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
5996 PR rtl-optimization/27671
5997 * simplify-rtx.c (simplify_relational_operation_1): Fix
5998 simplifications of (eq/ne (xor x y) y) and
5999 (eq/ne (xor x y) x).
6001 PR tree-optimization/26622.
6002 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
6005 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
6007 * tree-cfg.c: Prune whitespace.
6008 (debug_tree_cfg): Point to correct header containing the
6011 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
6014 * cgraphunit.c (verify_cgraph_node): Typo in error message.
6016 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
6019 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
6020 or sorry count is non zero.
6022 2006-05-20 Andreas Schwab <schwab@suse.de>
6024 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
6026 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
6027 Kenneth Zadeck <zadeck@naturalbridge.com>
6029 PR rtl-optimization/26855
6031 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
6033 (df_scan_alloc): Added code to properly handle multiword hard
6034 registers and add all_blocks parameter.
6035 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
6036 code to properly handle multiword hard registers.
6037 (df_rescan_blocks): Added code to remove deleted blocks from
6039 (df_ref_create_structure, df_ref_record): Added code to properly
6041 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
6042 and set DF_REF_PARTIAL.
6043 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
6044 (df_uses_record): Added DF_REF_PARTIAL for subreg.
6045 (df_scan_add_problem): Added flags parameter.
6046 (df_ref_create_structure): Changed switching structure.
6047 (df_bb_refs_record): Fixed case where duplicate artificial refs
6048 were created. Changed location of flags.
6049 (df_record_entry_block_defs): Added code to make stack pointer
6050 live in entry block. Refined cases where frame pointer is needed.
6051 Changed location of flags.
6052 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
6053 (df_set_state): Removed function.
6054 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
6055 df_insn_create_insn_record, df_insn_refs_delete,
6056 df_ref_create_structure): Formatting changes.
6057 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
6058 df_delete_basic_block): New function.
6059 (df_init): Changed location of flags.
6060 (df_add_problem): Added flags parameter and the way flags are
6062 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
6063 debug_df_chain): Improved debugging output.
6064 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
6065 (df_refs_chain_dump): Removed df parameter.
6066 (df_iterative_dataflow): Added consistency check.
6067 (df_prune_to_subcfg): Made public.
6068 (df_analyze_problem): Added blocks_to_init parameter and made
6070 (df_ref_record, df_bb_refs_record, df_mark_reg,
6071 df_record_exit_block_uses): Whitespace changes.
6072 (df_dump): Whitespace changes.
6073 * df.h: Some reordering to remove forward references.
6074 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
6075 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
6076 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
6077 (dataflow.flags): New field.
6078 (df.flag): Deleted field.
6079 (df_alloc_function): Added additional bitmap parameter.
6080 (df_dependent_problem_function): New type.
6081 (df_problem.changeable_flags): New field.
6082 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
6083 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
6084 (df_mw_hardreg): New struct.
6085 (DF_INSN_UID_MWS): New macro.
6086 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
6088 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
6089 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
6090 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
6091 (df_set_state): Removed function.
6092 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
6093 * df-problems.c (df_chain_dump): Removed df parameter.
6094 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
6095 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
6097 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
6098 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
6099 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
6100 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
6101 DF_REF_MUST_CLOBBER cases.
6102 (df_ru_bb_local_compute_process_def,
6103 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
6104 df_lr_bb_local_compute, df_ur_bb_local_compute,
6105 df_chain_create_bb): Made subreg aware.
6106 (df_ru_bb_local_compute, df_rd_bb_local_compute,
6107 df_lr_bb_local_compute, df_lr_bb_local_compute,
6108 df_chain_create_bb): Cleanup to use proper macros.
6109 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
6110 code to fixup bitvectors.
6111 (df_ri_alloc): Cleared lifetime.
6112 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
6113 df_create_unused_note): New function.
6114 (df_ri_bb_compute, df_ri_compute): Added code to create/update
6115 REG_DEAD and REG_UNUSED notes as well as register information.
6116 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
6117 df_chains_dump): Fixed crash if problem was never run.
6118 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
6119 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
6120 df_ri_add_problem): Processes flags in uniform manner.
6121 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
6122 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
6123 df_rd_dump, df_urec_free_bb_info): Formatting changes.
6124 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
6125 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
6126 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
6127 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
6128 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
6129 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
6130 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
6131 * see.c (see_initialize_data): Ditto.
6132 * final.c (rest_of_clean_state) Added regstack_completed.
6133 * rtl.h (regstack_completed): Ditto.
6134 * reg-stack.c (regstack_completed): Ditto.
6136 2006-05-19 Mike Stump <mrs@apple.com>
6138 * c-tree.h (default_conversion): Remove.
6139 * c-common.h (default_conversion): Add.
6141 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
6143 * tree-vrp.c (valid_value_p): New function.
6144 (adjust_range_with_scev): Fail if the value of bound is not
6147 2006-05-19 Richard Sandiford <richard@codesourcery.com>
6149 * config/mips/linux-unwind.h: Include <asm/unistd.h>
6150 (mips_fallback_frame_state): Use syscall numbers to determine
6151 the appropriate li instruction for the current ABI. Only use
6152 __NR_sigreturn for o32.
6154 2006-05-19 Nicolas Setton <setton@adacore.com>
6156 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
6157 * langhooks.c (lhd_dwarf_name): New function.
6158 * langhooks-def.h (lhd_dwarf_name): Declare.
6159 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
6160 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
6161 * ada/misc.c (gnat_dwarf_name): New function.
6162 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
6164 2006-05-19 Richard Sandiford <richard@codesourcery.com>
6166 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
6168 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
6169 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
6170 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
6171 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
6172 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
6173 determine the size of Wtype, etc.
6174 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
6175 (swfloatfuncs): New variable.
6176 (dwfloatfuncs): Likewise.
6177 (lib2funcs): Remove floating-point conversion functions from
6178 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
6179 the set of conversion routines needed. Allow entries to specify
6180 an object name, filename and word size. Update users accordingly.
6181 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
6182 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
6186 2006-02-08 Roger Sayle <roger@eyesopen.com>
6189 * config/fixtfdi.c: New libgcc source file.
6190 * config/fixunstfdi.c: New source file.
6191 * config/floatditf.c: New source file.
6192 * config/floatunditf.c: New souce file.
6193 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
6194 files above instead of config/mips/_tilib.c.
6195 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
6197 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6199 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
6200 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
6202 2006-05-18 Mike Stump <mrs@apple.com>
6204 Fix up vla, vm and [*] sematics.
6210 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
6211 (c_vla_unspec_p): Add.
6212 (c_vla_type_p): Add.
6213 * c-decl.c (struct c_scope): Add had_vla_unspec.
6214 (build_array_declarator): Add support for [*].
6215 (grokdeclarator): Likewise.
6216 (grokparms): Likewise.
6217 (get_parm_info): Likewise.
6218 * c-objc-common.c (c_vla_unspec_p): Likewise.
6219 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
6220 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
6221 typeof when argument is a variably modified type not inside sizeof or alignof.
6222 (c_parser_direct_declarator_inner): Propagate errors.
6223 (c_parser_sizeof_expression): Add support for [*].
6224 (c_parser_parms_declarator): Initialize had_vla_unspec.
6225 (c_parser_parms_list_declarator): Likewise.
6226 * c-typeck.c (c_vla_type_p): Add.
6227 (composite_type): Add support for vla compositing.
6228 (comptypes_internal): Add support for vla compatibility.
6229 (c_expr_sizeof_expr): Evaluate vla arguments.
6230 * tree.c (variably_modified_type_p): Update comment for [*].
6232 2006-05-18 Michael Matz <matz@suse.de>
6235 * config.host: Make assignments to host_xmake_file cumulative.
6236 * config.host (*-darwin*): Test $host, not $target.
6238 2006-05-12 Stuart Hastings <stuart@apple.com>
6240 * config/i386/i386.opt (-mstackrealign): New flag.
6241 * config/i386/i386.c (force_align_arg_pointer): New attribute.
6242 (ix86_handle_cconv_attribute): Emit error when
6243 force_align_arg_pointer attribute collides with too many regparms.
6244 (ix86_function_regparm): Limit regparms when used with
6245 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
6246 Support stack-realigning prologue in non-main functions. Emit
6247 warning for nested functions under -mstackrealign, emit error for
6248 nested functions with force_align_arg_pointer attribute.
6249 * doc/extend.texi (force_align_arg_pointer): Document it.
6250 * doc/invoke.texi (-mstackrealign): Document it.
6252 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
6254 PR rtl-optimization/27477
6255 * combine.c (try_combine): Don't split a parallel consisting
6256 of two sets into two individual sets if both sets reference
6259 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
6261 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
6262 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
6264 * doc/options.texi (VarExists): Updated.
6266 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6268 * unwind-dw2.c: Add declarations for uw_update_context and
6270 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
6271 detected, advance frame state and context once to skip over stub.
6273 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
6277 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
6278 Call rewrite_into_loop_closed_ssa only when something changed.
6279 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
6280 * lambda-code.c (can_convert_to_perfect_nest): Declared.
6281 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
6282 Test for perfect_nest_p here. Fix formating.
6283 (replace_uses_equiv_to_x_with_y): Fix formating.
6284 (stmt_uses_op): Removed.
6285 (can_convert_to_perfect_nest): Removed loopivs parameter.
6286 Complete the test by checking the scalar dependences.
6287 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
6290 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
6293 From Dan Kegel <dank@kegel.com>:
6294 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
6296 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
6298 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
6299 if the element type is variably modified without recursing.
6301 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
6304 * tree-loop-linear.c (try_interchange_loops): Test for
6305 no data dependences.
6307 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
6309 PR tree-optimization/27548
6310 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
6311 range of ssa names that appear on abnormal edges.
6312 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
6313 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
6315 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
6318 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
6320 2006-05-17 Jakub Jelinek <jakub@redhat.com>
6323 * tree.h (OMP_PARALLEL_COMBINED): Define.
6324 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
6325 (new_omp_context): Add is_combined_parallel argument.
6326 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
6327 new_omp_context caller.
6328 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
6329 Adjust gimplify_scan_omp_clauses callers.
6330 (omp_is_private): Issue errors if iteration variable is firstprivate
6331 or reduction in the current context.
6332 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
6333 on combined parallel workshare constructs.
6335 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
6337 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
6338 (gcc-options.o): New rule.
6340 * optc-gen.awk: Protect variables for gcc-options.o with
6341 #ifdef GCC_DRIVER/#endif.
6343 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
6345 Fix PR tree-optimization/27373
6346 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
6347 (forward_propagate_addr_expr): Update call.
6349 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
6351 * doc/options.texi: Move the Negative option.
6353 2006-05-16 Richard Guenther <rguenther@suse.de>
6355 PR tree-optimization/22303
6356 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
6358 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
6359 ccp_fold did not simplify the statement.
6361 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
6364 * Makefile.in (GCC_OBJS): New.
6365 (OBJS-common): Add opts-common.o.
6366 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
6367 (cpp$(exeext)): Likewise.
6368 (gcc.o): Also depend on opts.h.
6369 (opts-common.o): New.
6371 * common.opt (gcoff): Add Negative(gdwarf-2).
6372 (gdwarf-2): Add Negative(gstabs).
6373 (gstabs): Add Negative(gstabs+).
6374 (gstabs+): Add Negative(gvms).
6375 (gvms): Add Negative(gxcoff).
6376 (gxcoff): Add Negative(gxcoff+).
6377 (gxcoff+): Add Negative(gcoff).
6378 * config/i386/i386.opt (m32): Add Negative(m64).
6379 (m64): Add Negative(m32).
6381 * doc/options.texi: Document the Negative option.
6383 * gcc.c: Include "opts.h".
6384 (main): Call prune_options after expandargv.
6386 * optc-gen.awk: Generate common declarations for all flag
6387 variables in options.c. Output the neg_index field.
6389 * opts.c (find_opt): Moved to ...
6390 * opts-common.c: Here. New file.
6392 * opts.h (cl_option): Add a neg_index field.
6394 (prune_options): Likewise.
6396 2006-05-16 Jakub Jelinek <jakub@redhat.com>
6399 * omp-low.c (expand_omp_parallel): Don't assert
6400 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
6401 instead search for it.
6404 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
6407 2006-05-16 Andreas Schwab <schwab@suse.de>
6409 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
6412 2006-05-15 Roger Sayle <roger@eyesopen.com>
6415 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
6416 integer constants other than zero are only legitimate on TARGET_64BIT.
6417 <CONST_VECTOR> Only zero vectors are legitimate.
6418 (ix86_cannot_force_const_mem): Integral and vector constants can
6419 always be put in the constant pool.
6421 2006-05-16 DJ Delorie <dj@redhat.com>
6423 * crtstuff.c (__dso_handle): Set section from
6424 TARGET_LBIGCC_SDATA_SECTION if defined.
6425 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
6426 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
6428 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
6431 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
6434 2006-05-16 Ben Elliston <bje@au.ibm.com>
6436 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
6438 2006-05-15 Per Bothner <per@bothner.com>
6440 * tree.c: (last_annotated_node): Use source_locus typedef.
6441 This permits bootstrapping with --enable-mapped-location.
6443 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
6445 PR tree-optimization/26830
6446 * tree-into-ssa.c (struct ssa_name_info): Add age field.
6447 (info_for_ssa_name, current_info_for_ssa_name_age,
6448 blocks_to_update): New variables.
6449 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
6450 (clear_ssa_name_info, initialize_flags_in_bb,
6451 mark_block_for_update): New functions.
6452 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
6453 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
6454 prepare_def_site_for): Use mark_block_for_update.
6455 (mark_def_interesting): Assert that the processed block is marked in
6456 blocks_to_update. Do not take blocks argument.
6457 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
6459 (rewrite_update_init_block, rewrite_update_stmt): Only process
6460 blocks with statements to rewrite.
6461 (delete_update_ssa): Do not clear SSA_NAME_AUX.
6462 (update_ssa): Initialize and free blocks_to_update. Do not
6463 clear flags on statements. Do not use blocks bitmap.
6464 * tree.h (SSA_NAME_AUX): Removed.
6465 (struct tree_ssa_name): Removed aux field.
6466 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
6468 2006-05-15 Richard Guenther <rguenther@suse.de>
6470 PR tree-optimization/27603
6471 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
6472 Do computations in original type.
6474 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
6476 * see.c: Code style changes such as redundant paranthesis,
6477 redundant intialization of local variables etc.
6478 (see_main): Declared now as static.
6479 * doc/invoke.texi: Update that -fsee is not enabled by
6482 2006-05-15 Jakub Jelinek <jakub@redhat.com>
6484 * omp-low.c (check_omp_nesting_restrictions): New function.
6485 (scan_omp_1): Call it.
6488 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
6489 construct, return *VAR.
6491 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
6493 PR rtl-optimization/27406
6494 * bt-load.c (migrate_btr_def): Skip the block having abnormal
6497 2006-05-14 Roger Sayle <roger@eyesopen.com>
6499 PR rtl-optimization/27538
6500 * combine.c (expand_compound_operation): Call gen_lowpart
6501 before calling simplify_shift_const.
6503 2006-05-14 Roger Sayle <roger@eyesopen.com>
6505 PR rtl-optimization/22563
6506 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
6507 a fixed width bitfield, always force the intermediates into psuedos.
6509 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
6512 * mkconfig.sh: Use operator = instead of == for test.
6514 2006-05-13 Nick Clifton <nickc@redhat.com>
6516 * dwarf2out.c (dbx_reg_number): Check return value from
6517 LEAF_REG_REMAP and only use it if it is valid.
6518 (multiple_reg_loc_descriptor): Likewise.
6520 2006-05-13 Richard Guenther <rguenther@suse.de>
6522 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
6525 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
6527 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
6528 information attached to non-INSNs such as NOTEs.
6529 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
6531 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
6533 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
6535 * config/s390/s390.md: Adjust comment describing On constraint.
6537 2006-05-11 Jan Hubicka <jh@suse.cz>
6539 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
6540 to be output at -O0.
6542 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6545 * fold-const.c (size_binop): Move sanity check for arguments to
6546 the beginning of the function.
6549 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
6552 2006-05-11 Richard Guenther <rguenther@suse.de>
6555 * fold-const.c (fold_unary): Handle intermediate conversion
6556 to a pointer type like intermediate conversion to an integer
6557 type in folding of (T1)(T2)var to var.
6558 Match the code to the comment in the final conversion for
6559 (T1)(T2)var to (T1)var regarding to type precision. Rather
6560 than disallow T1 being of pointer type, assert that both T1
6561 and var are of pointer type or not. Make sure not to fall
6562 over the frontends lazyness wrt array to pointer decay though.
6564 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
6566 * arm.c (arm_struct_value_rtx): Delete.
6567 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
6568 (arm_init_cumulative_args): Always initialize nregs to zero.
6570 2006-05-10 Richard Guenther <rguenther@suse.de>
6572 PR tree-optimization/27532
6573 * tree-object-size.c (plus_expr_object_size): Fix typo.
6575 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
6578 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
6579 ashrdi_const, ashrdi3): Use a scratch register.
6581 2006-05-10 Richard Guenther <rguenther@suse.de>
6583 PR tree-optimization/27302
6584 * fold-const.c (operand_equal_p): For two comparisons,
6585 try comparison of one comparison code swapped if that yields
6588 2006-05-10 Ben Elliston <bje@au.ibm.com>
6590 * tree-pretty-print.c (pretty_print_string): No need to handle
6591 '\0' as a special character.
6593 * tree.h: Include "hashtab.h".
6594 (iterative_hash_expr): Use hashval_t in its prototype.
6595 * Makefile.in (TREE_H): Add $(HASHTAB_H).
6597 2006-05-09 Steve Ellcey <sje@cup.hp.com>
6600 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
6601 (hppa*64*-*-hpux11*): Ditto.
6602 (hppa[12]*-*-hpux11*): Ditto.
6604 2006-05-09 David Edelsohn <edelsohn@gnu.org>
6607 * config/rs6000/aix41.h (TARGET_64BIT): Define.
6609 2006-05-09 Michael Matz <matz@suse.de>
6611 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
6612 host_extra_gcc_objs and host_xmake_file.
6613 (<*-*-linux*>): Don't overwrite host_xmake_file.
6614 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
6615 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
6616 (host_detect_local_cpu): Declare.
6617 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
6618 * config/i386/i386.c (override_options): Handle -mtune=native
6620 * config/i386/x-i386: New file.
6621 * config/i386/driver-i386.c: New file.
6622 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
6625 2006-05-09 Dirk Mueller <dmueller@suse.de>
6626 Richard Guenther <rguenther@suse.de>
6629 * fold-const.c (fold_read_from_constant_string): Relax check
6630 for matching types to matching modes.
6632 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
6634 PR rtl-optimization/27335
6635 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
6638 2006-05-08 Chao-ying Fu <fu@mips.com>
6639 Richard Sandiford <richard@codesourcery.com>
6641 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
6642 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
6643 * config/mips/mips.md (UNSPEC_SCC): New constant.
6644 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
6645 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
6646 (mips_emit_compare): Use it.
6647 (mips_expand_vcondv2sf): New function.
6649 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
6651 Fix PR tree-optimization/27093
6652 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
6653 renaming when they become not-used_alone.
6655 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6657 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
6658 relocation and relocation stubs.
6660 2006-05-08 Eric Christopher <echristo@apple.com>
6662 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
6665 2006-05-08 Jan Hubicka <jh@suse.cz>
6668 * cgraphunit.c (decide_is_function_needed): When not optimizing even
6669 unused static functions are needed.
6671 2006-05-08 Roger Sayle <roger@eyesopen.com>
6674 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
6675 of a reg_equiv_constant if the result is a legitimate constant.
6677 2006-05-08 Uros Bizjak <uros@kss-loka.si>
6680 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
6681 standard 80387 constants, raise the cost to prevent
6682 compress_float_constant() to generate load from memory.
6684 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
6686 * config/arm/constraints.md (c): Fix a typo.
6688 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
6691 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
6694 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
6696 (_mm_mwait): Likewise.
6698 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
6700 (sse3_monitor): Make it 32bit only.
6701 (sse3_monitor64): New. 64bit monitor.
6703 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6706 * config/i386/i386.c (classify_argument): Skip fields with invalid
6709 2006-05-07 Richard Guenther <rguenther@suse.de>
6711 PR tree-optimization/27409
6712 * tree-ssa-structalias.c (get_constraint_for_component_ref):
6713 Do not try to find zero-sized subvars.
6715 2006-05-07 Richard Guenther <rguenther@suse.de>
6717 PR tree-optimization/27136
6718 * tree-ssa-loop-niter.c (get_val_for): Correct function
6719 comment, assert requirements.
6720 (loop_niter_by_eval): Stop processing if the iterated
6721 value did not simplify.
6723 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
6725 * opts.c (flag_see): remove its setting at -O3.
6727 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
6729 * genpeep.c (main): Make insn-peep.c depend on flags.h.
6730 * arm/constraints.md: New file.
6731 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
6732 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
6733 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
6734 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
6735 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
6736 (EXTRA_MEMORY_CONSTRAINT): Likewise.
6737 * arm.md: Include constraints.md.
6738 (thumb_movsi_insn): Use satisfies_constraint_J.
6739 (movhi, movqi): Use satisfies_constraint_I.
6741 2006-04-29 Anatoly Sokolov <aesok@post.ru>
6743 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
6744 for atmeg a645 device.
6746 2006-05-06 Richard Guenther <rguenther@suse.de>
6748 PR tree-optimization/27151
6749 * tree-vect-transform.c (vectorizable_condition): Punt on
6750 values that have a different type than the condition.
6752 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
6755 * c-parser.c (c_parser_cast_expression): Only insert casts into
6756 hash table if pointer.
6757 * function.c (used_types_insert_helper): Rename from
6759 (used_types_insert): Call used_types_insert_helper.
6760 * function.h (used_types_insert): Accept only one argument.
6762 2006-05-05 David Edelsohn <edesohn@gnu.org>
6764 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
6765 scratch with output modifier.
6767 2006-05-04 David Edelsohn <edelsohn@gnu.org>
6770 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
6771 with output modifier.
6773 2006-05-04 Richard Sandiford <richard@codesourcery.com>
6776 * config/mips/mips.c (mips_symbolic_address_p): Return true
6777 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
6778 SYMBOL_GOTTPREL, and SYMBOL_TLS.
6780 2006-05-04 Richard Guenther <rguenther@suse.de>
6782 PR tree-optimization/14287
6783 PR tree-optimization/14844
6784 PR tree-optimization/19792
6785 PR tree-optimization/21608
6786 PR tree-optimization/27090
6787 * tree-ssa-pre.c (try_combine_conversion): New function.
6788 (compute_avail): After constructing the value-handle
6789 expression, use try_combine_conversion to combine NOP_EXPRs
6790 with previous value-handle expressions and use the result if it
6793 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
6795 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
6797 2006-05-04 Jan Hubicka <jh@suse.cz>
6800 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
6802 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
6804 * config/bfin/predicates.md (const01_rtx): Tell generator programs
6805 that this only matches CONST_INTs. All users changed to VOIDmode
6808 * config/bfin/bfin.c: Include "optabs.h".
6809 (bfin_rtx_costs): Some costs for vector operations, to allow combine
6811 (enum bfin_builtins): Add a number of fractional and vector builtins.
6812 (bfin_init_builtins): Likewise.
6813 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
6814 (safe_vector_operand, bfin_expand_binop_builtin,
6815 bfin_expand_unop_builtin): New functions.
6816 (bfin_expand_builtin): Handle the new builtins.
6817 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
6820 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
6823 * Makefile.in (OBJS-common): Add see.o.
6824 (see.o): Add dependencies.
6825 * common.opt (fsee): New flag for the see optimization was added.
6826 * opts.c (flag_see): Initialized.
6827 * passes.c (init_optimization_passes, pass_see): New pass.
6828 * rtl.h (see_main): Declaration as extern.
6829 * timevar.def (TV_SEE): New.
6830 * tree-pass.h (pass_see): Declaration as extern.
6831 * invoke.texi (-fsee): Document.
6832 * recog.c (validate_simplify_insn): New function.
6833 * recog.h (validate_simplify_insn): Declaration as extern.
6834 * df-problems.c (df_chain_dump): Check for NULL.
6836 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
6837 Daniel Berlin <dberlin@dberlin.org>
6839 * cfgrtl.c (insert_insn_bb_end_new): New function.
6840 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
6842 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
6844 * df.h (struct web_entry): Moved from web.c.
6845 (union_defs): Declaration as extern.
6846 (unionfind_root): Likewise.
6847 (unionfind_union): Likewise.
6848 * web.c (struct web_entry): Moved to df.h.
6849 (unionfind_root): Remove static declaration.
6850 (unionfind_union): Likewise.
6851 (union_defs): Likewise and generalize to use callback function.
6852 (web_main): Update arguments for union_defs function call.
6854 2006-05-04 Richard Guenther <rguenther@suse.de>
6856 PR tree-optimization/26447
6857 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
6858 produce SSA_NAME copies before the store stmt to avoid
6859 breaking exception handling.
6861 2006-05-04 Jakub Jelinek <jakub@redhat.com>
6864 * gimplify.c (omp_is_private): If var is shared in some outer context,
6865 return false instead of true. Stop searching on parallel context
6868 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
6871 * coverage.c: Use get_gcov_unsigned_t() instead of
6872 unsigned_type_node all over.
6874 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
6876 PR tree-optimization/27381
6877 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
6878 maintain the same immediate_use links.
6879 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
6880 node rather than segfaulting.
6882 2006-05-03 Jakub Jelinek <jakub@redhat.com>
6885 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
6886 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
6887 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
6889 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
6891 Fix PR tree-optimization/26626
6892 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
6894 * tree-ssa-operands.c (access_can_touch_variable): Allow
6895 typecasting through union pointers.
6897 2006-05-02 Jakub Jelinek <jakub@redhat.com>
6900 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
6901 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
6902 to find if var will be a global variable even in the nested context.
6903 (omp_copy_decl): Only check for global variable at the end, it might
6904 be overridden in outer contexts.
6905 (scan_sharing_clauses): For global variables don't create a field.
6906 (lower_rec_input_clauses): Do nothing for global shared variables.
6907 Emit a barrier at the end of ILIST if there were any decls in both
6908 firstprivate and lastprivate clauses.
6909 (lower_send_clauses): Do nothing for global variables except for
6912 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
6914 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
6915 of the correct signedness is returned.
6917 2006-05-02 Jeff Law <law@redhat.com>
6919 PR tree-optimization/27364
6920 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
6921 multiply expressions.
6923 2006-05-02 Tom Tromey <tromey@redhat.com>
6925 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
6927 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
6930 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
6931 -mthumb -fPIC are used.
6933 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
6934 Joshua Kinard <kumba@gentoo.org>
6937 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
6938 with 64-bit pointers.
6940 2006-05-02 Paul Brook <paul@codesourcery.com>
6942 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
6944 (create_fix_barrier): Check that a suitable barrier location is
6946 (arm_reorg): Include ftmp->address in allowable range of addresses.
6948 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
6951 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
6954 2006-05-02 Jakub Jelinek <jakub@redhat.com>
6957 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
6958 around RESULT_DECL for result passed by reference.
6959 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
6960 * omp-low.c (use_pointer_for_field): Don't look at
6961 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
6962 (scan_omp_1): Call remap_decl on RESULT_DECLs.
6963 (lower_rec_input_clauses): Don't allocate VLA memory for the second
6964 time or var for passing by reference for
6965 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
6966 TREE_ADDRESSABLE variables when passing by reference.
6968 * omp-low.c (dump_omp_region): Fix output formatting.
6971 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
6972 (expand_omp_parallel): Likewise.
6973 * tree-cfg.c (move_sese_region_to_fn): Likewise.
6976 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
6977 on statement list containing also constructors and destructors.
6978 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
6981 * except.c (duplicate_eh_regions): Fix clearing of
6982 cfun->eh->region_array entries.
6984 2006-05-01 DJ Delorie <dj@redhat.com>
6986 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
6988 (gcc_cv_objdump): Likewise.
6989 * configure: Regenerated.
6991 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
6994 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
6995 templates for case 3 and 4.
6997 2006-05-01 DJ Delorie <dj@redhat.com>
6999 * vec.c: Include bconfig.h when appropriate.
7000 * Makefile.in (build/vec.o): Adjust dependencies.
7001 * mkconfig.sh: Make sure config.h isn't used for build machine
7004 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7006 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
7008 (mark_phi_for_rewrite): New function.
7009 (insert_phi_nodes_for, mark_use_interesting): Call
7010 mark_phi_for_rewrite.
7011 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
7012 (update_ssa): Initialize and free phis_to_rewrite.
7014 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7016 PR rtl-optimization/27291
7017 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
7018 folded to a constant.
7020 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7022 PR tree-optimization/27283
7023 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
7024 not whole # of iteration descriptions.
7025 (niter_for_exit): Return just # of iterations. Fail if # of iterations
7026 uses abnormal ssa name.
7027 (niter_for_single_dom_exit): Ditto.
7028 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
7029 return just the number of iterations.
7031 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7033 PR tree-optimization/27144
7034 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
7035 (record_estimate): Only record constant upper bound.
7036 (infer_loop_bounds_from_undefined): Call
7037 compute_estimated_nb_iterations just once.
7038 (proved_non_wrapping_p): Renamed to ...
7039 (n_of_executions_at_most): ... this. Expect bound to be a constant.
7040 (convert_step_widening, scev_probably_wraps_p): Call
7041 n_of_executions_at_most instead of proved_non_wrapping_p.
7042 (substitute_in_loop_info): Do not replace values in bounds.
7043 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
7046 2006-05-01 Richard Henderson <rth@redhat.com>
7049 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
7050 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
7053 2006-05-01 Roger Sayle <roger@eyesopen.com>
7055 * c-typeck.c (parser_build_binary_op): Don't call the function
7056 unsigned_conversion_warning to spot operand/result type overflow.
7057 (build_binary_op): Instead, call convert_and_check instead of
7058 convert to report the problem when the operands are promoted.
7059 * c-common.c (unsigned_conversion_warning): Make static.
7060 * c-common.h (unsigned_conversion_warning): Delete prototype.
7062 2006-05-01 Richard Guenther <rguenther@suse.de>
7064 PR tree-optimization/26726
7065 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
7067 (find_interesting_uses_address): ... we work around here
7068 by folding INDIRECT_REFs in the substituted base.
7070 2006-05-01 Diego Novillo <dnovillo@redhat.com>
7072 * omp-low.c (dump_omp_region): Add newlines.
7074 2006-04-30 Roger Sayle <roger@eyesopen.com>
7076 * common.opt (Woverflow): New command line option.
7077 * c-common.c (constant_expression_warning): Check warn_overflow.
7078 (overflow_waring): Pass OPT_Woverflow to warning.
7079 (unsigned_conversion_warning): Likewise.
7080 (convert_and_check): Likewise.
7081 * doc/invoke.texi: Document new command line option.
7083 2006-04-30 David Edelsohn <edelsohn@gnu.org>
7085 * config/rs6000/rs6000.c (rs6000_override_options): Enable
7086 TARGET_NO_FP_IN_TOC for section anchors.
7087 (optimization_options): Enable section anchors for all
7088 non-"Objective" languages.
7090 2006-04-28 Eric Christopher <echristo@apple.com>
7092 * config/darwin-c.c (darwin_ms_struct): Move this
7093 (darwin_set_default_type_attributes): and this...
7094 * config/darwin.c: ... here.
7095 * config/darwin.h (darwin_ms_struct): Declare.
7097 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
7099 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
7101 2006-04-28 Roger Sayle <roger@eyesopen.com>
7104 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
7105 (push_array_bounds): Delete prototype. Change BOUNDS argument to
7106 an unsigned HOST_WIDE_INT.
7107 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
7109 (really_start_incremental_init): No need to call convert because
7110 bitsize_zero_node is already of type bitsizetype.
7111 (push_init_level): Extract the value of constructor_index as an
7112 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
7113 (process_init_element): Likewise.
7115 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
7117 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
7118 value before passing to make_relative_prefix.
7120 2006-04-28 Alan Modra <amodra@bigpond.net.au>
7123 * builtins.c (expand_builtin_memset): Expand val in original mode.
7125 2006-04-27 Eric Christopher <echristo@apple.com>
7127 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
7128 with #ifndef/#endif.
7129 * config/darwin-c.c (darwin_ms_struct): New.
7130 (darwin_pragma_ms_struct): Ditto.
7131 (darwin_set_default_type_attributes): Ditto.
7132 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
7133 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
7134 Register ms_struct pragma.
7135 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
7136 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
7137 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
7138 darwin_set_default_type_attributes if TARGET_MACHO.
7140 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
7142 PR tree-optimization/26854
7143 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
7144 * doc/tree-ssa.texi: Update immuse iterator documentation.
7145 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
7146 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
7147 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
7148 first_safe_imm_use, next_safe_imm_use): Remove.
7149 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
7150 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
7151 (move_use_after_head): New. Helper function to sort immuses in a stmt.
7152 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
7153 (first_imm_use_stmt): New. Get first stmt in an immuse list.
7154 (next_imm_use_stmt): New. Get next stmt in an immuse list.
7155 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
7156 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
7157 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
7158 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
7159 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
7160 (perfect_nestify): Use new iterator.
7161 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
7163 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
7164 (next_imm_name): New field in struct immediate_use_iterator_d.
7165 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
7166 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
7167 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
7168 * tree-cfg.c (replace_uses_by): Use new iterator.
7169 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
7170 * tree-ssa-operands.c (correct_use_link): Remove.
7171 (finalize_ssa_use_ops): No longer call correct_use_link.
7173 2006-04-27 Stuart Hastings <stuart@apple.com>
7175 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
7176 * config/t-darwin (crt3.o): Use it.
7177 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
7178 'pmode', use Pmode instead of SImode for SYMBOL_REF.
7179 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
7180 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
7181 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
7184 2006-04-27 Roger Sayle <roger@eyesopen.com>
7186 * expmed.c (store_fixed_bit_field): If we're not optimizing for
7187 size, force the intermediate into a new pseudo rather instead of
7188 performing both a bitwise AND and a bitwise IOR in memory.
7190 2006-04-27 Richard Guenther <rguenther@suse.de>
7192 PR rtl-optimization/26685
7193 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
7194 this one "max-flow-memory-locations".
7196 2006-04-27 Richard Guenther <rguenther@suse.de>
7198 PR tree-optimization/25148
7199 * tree-vrp.c (compare_values): Remove code dealing with
7200 comparisons against type min/max value. Honour overflow
7201 and negative constants in code dealing with comparisons
7202 of plus and minus expressions.
7203 (value_inside_range): Use fold_binary with LE_EXPR and
7204 GE_EXPR rather than compare_values.
7206 2006-04-27 Dirk Mueller <dmueller@suse.de>
7208 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
7211 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
7213 * basic-block.h (safe_insert_insn_on_edge): Removed.
7214 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
7216 2006-04-26 David Edelsohn <edelsohn@gnu.org>
7217 Paolo Bonzini <bonzini@gnu.org>
7220 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
7221 (simplify_and_const_int): Same.
7223 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
7225 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
7227 2006-04-26 Jakub Jelinek <jakub@redhat.com>
7230 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
7231 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
7232 cgraph_global_info_ready.
7235 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
7238 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
7239 either decl or init is error_mark_node.
7242 * tree-flow.h (struct omp_region): Add sched_kind.
7243 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
7244 instead of extracting omp for data.
7245 (expand_omp_for): Save extracted sched_kind.
7247 2006-04-25 Roger Sayle <roger@eyesopen.com>
7249 * expmed.c (store_bit_field): Also check whether the bitsize is
7250 valid for the machine's "insv" instruction before moving the
7251 target into a pseudo for use with the insv.
7252 * config/i386/predicates.md (const8_operand): New predicate.
7253 * config/i386/i386.md (extv, extzv, insv): Use the new
7254 const8_operand predicate where appropriate.
7256 2006-04-25 DJ Delorie <dj@redhat.com>
7258 * doc/install.texi (Specific): Clarify that this is not a list of
7259 supported hosts or targets.
7261 2006-04-25 Richard Sandiford <richard@codesourcery.com>
7263 PR rtl-optimization/26725
7264 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
7265 block's BB_DIRTY flag.
7267 2006-04-25 Geoffrey Keating <geoffk@apple.com>
7269 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
7272 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
7273 to print an integer.
7275 2006-04-25 David Edelsohn <edelsohn@gnu.org>
7277 * varasm.c (align_variable): New function.
7278 (get_block_for_decl): Apply align_variable to DECL before
7279 calculating section information.
7280 (assemble_variable): Split out alignment computation.
7282 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
7284 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
7287 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
7289 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
7290 MODE_PARTIAL_INT mode.
7291 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
7292 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
7294 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
7295 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
7297 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
7299 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
7301 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
7302 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
7303 MACFLAG_IH): Likewise.
7304 (movstricthi_1): Renamed from "*movstricthi".
7305 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
7306 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
7307 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
7308 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
7309 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
7310 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
7311 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
7312 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
7313 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
7314 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
7315 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
7316 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
7317 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
7318 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
7319 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
7321 * doc/rtl.texi (ss_ashift): Improve wording.
7323 2006-04-24 Geoffrey Keating <geoffk@apple.com>
7325 * dwarf2out.c (verify_marks_clear): New.
7326 (prune_unused_types): Call verify_marks_clear initially, not
7329 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
7331 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
7332 * doc/rtl.texi: Document them.
7333 * simplify-rtx.c (simplify_unary_operation,
7334 simplify_binary_operation_1): Don't abort when we see them.
7336 2006-04-24 Mark Mitchell <mark@codesourcery.com>
7339 2006-04-23 Mark Mitchell <mark@codesourcery.com>
7340 * configure.ac: Completely disregard languages that are not
7342 * configure: Regenerated.
7344 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
7345 Richard Guenther <rguenther@suse.de>
7347 PR tree-optimization/27236
7348 * tree-inline.c (copy_body_r): Make sure to copy
7349 TREE_THIS_VOLATILE flag.
7351 2006-04-24 Richard Guenther <rguenther@suse.de>
7354 * tree-complex.c (update_parameter_components): Don't handle
7355 unused parameters which have no default def.
7357 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
7358 Richard Guenther <rguenther@suse.de>
7360 PR tree-optimization/27218
7361 * tree-inline.c (expand_call_inline): Strip useless type
7362 conversions for the return slot address.
7364 2006-04-24 Richard Guenther <rguenther@suse.de>
7366 * cfgloop.h (struct loops): Remove unused field array. Reorder
7368 (LOOP_PREFETCH): Remove.
7370 2006-04-24 Richard Guenther <rguenther@suse.de>
7372 PR tree-optimization/22525
7373 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
7374 variable, adjust types of generated expressions.
7376 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
7378 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
7379 (tree-vect-patterns.o): Likewise.
7381 (cselib.o): Likewise.
7382 (loop-doloop.o): Likewise.
7383 (regclass.o): Likewise.
7384 (reload1.o): Likewise.
7385 (explow.o): Replace target.h with $(TARGET_H).
7386 (ipa-prop.o): Likewise.
7387 (ipa-cp.o): Likewise.
7388 (ipa-inline.o): Likewise.
7389 (reorg.o): Likewise.
7390 (reg-stack.o): Likewise.
7392 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
7394 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
7396 2006-04-23 Mark Mitchell <mark@codesourcery.com>
7398 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
7400 * configure.ac: Completely disregard languages that are not
7402 * configure: Regenerated.
7405 * c-common.h (c_build_bitfield_integer_type): Declare.
7406 * c-decl.c (c_build_bitfield_integer_type): Move to ...
7407 * c-common.c (c_build_bitfield_integer_type): ... here.
7409 2006-04-23 Roger Sayle <roger@eyesopen.com>
7412 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
7413 a SImode SUBREG of a floating point register after no_new_pseudos.
7415 2006-04-23 Roger Sayle <roger@eyesopen.com>
7417 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
7418 identify potentially eliminable registers to additionally catch
7419 VIRTUAL_INCOMING_ARGS_REGNUM.
7420 (addsi3): Update the conditions on when to use addsi_small_int.
7422 2006-04-23 Roger Sayle <roger@eyesopen.com>
7425 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
7426 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
7427 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
7429 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
7431 * fold-const.c (range_predecessor): Use operand_equal_p
7432 as the predicate for equality.
7433 (range_successor): Likewise.
7435 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
7438 * config/soft-fp/op-common.h: Fix a typo.
7440 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
7443 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
7444 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
7446 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
7448 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
7450 * doc/tm.texi: Fix a typo.
7452 2006-04-21 Geoffrey Keating <geoffk@apple.com>
7454 * dwarf2out.c (struct die_struct): Document that die_sib makes
7455 a circular linked list.
7456 (FOR_EACH_CHILD): New.
7457 (reverse_die_lists): Delete.
7458 (reverse_all_dies): Delete.
7459 (add_dwarf_attr): Correct documentation.
7460 (remove_child_with_prev): New.
7461 (remove_child_TAG): Update for change to die_struct, use
7462 remove_child_with_prev.
7463 (add_child_die): Update for change to die_struct.
7464 (splice_child_die): Use remove_child_with_prev and add_child_die.
7465 (print_die): Use FOR_EACH_CHILD.
7466 (die_checksum): Likewise.
7467 (assign_symbol_names): Likewise.
7468 (output_location_lists): Likewise.
7469 (build_abbrev_table): Likewise.
7470 (calc_die_sizes): Likewise.
7471 (mark_dies): Likewise.
7472 (unmark_dies): Likewise.
7473 (unmark_all_dies): Likewise.
7474 (output_die): Likewise.
7475 (prune_unused_types_mark): Likewise.
7476 (prune_unused_types_walk): Likewise.
7477 (same_die_p): Update for change to die_struct.
7478 (break_out_includes): Likewise.
7479 (prune_unused_types_prune): Likewise.
7480 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
7481 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
7483 (dwarf2out_finish): Don't call reverse_all_dies.
7485 2006-04-21 Eric Christopher <echristo@apple.com>
7487 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
7488 in comments and function names.
7490 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7493 * c-typeck.c (digest_init): Robustify.
7495 * c-typeck.c (pop_init_level): Simplify.
7497 2006-04-21 Steve Ellcey <sje@cup.hp.com>
7499 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
7501 2006-04-21 Paul Brook <paul@codesourcery.com>
7503 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
7504 hardware floating point.
7506 2006-04-21 David Edelsohn <edelsohn@gnu.org>
7508 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
7511 2006-04-21 Nick Clifton <nickc@redhat.com>
7513 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
7516 2006-04-21 Alan Modra <amodra@bigpond.net.au>
7519 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
7520 C++ lang type in traceback table for Objective-C++.
7522 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
7524 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
7526 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
7528 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7531 * tree-mudflap.c (mudflap_finish_file): Skip function when there
7532 were errors. Remove check for erroneous objects.
7534 2006-04-20 Jeff Law <law@redhat.com>
7536 PR tree-optimization/26854
7537 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
7538 checking for zero or one use.
7539 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
7540 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
7541 * tree-ssa-reassoc.c (negate_value): Similarly.
7542 (reassociate_bb): Similarly.
7544 2006-04-20 Jakub Jelinek <jakub@redhat.com>
7546 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
7547 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
7548 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
7550 2006-04-20 Alan Modra <amodra@bigpond.net.au>
7552 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
7553 fp regs if the last fp arg doesn't fit in regs.
7555 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
7558 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
7559 that the last insn has the REG_INC note.
7561 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
7562 Nathan Sidwell <nathan@codesourcery.com>
7565 * stor-layout.c (update_alignment_for_field): Do not align
7567 (place_union_field): Place union field at the start of the union.
7568 (place_field): Move ERROR_MARK check later, and use the current
7569 allocation position to maintain monotonicity.
7571 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
7573 * dominance.c: Include timevar.h.
7574 (calculate_dominance_info): Use TV_DOMINANCE.
7575 * timevar.def (TV_DOMINANCE): New timevar.
7576 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
7578 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
7580 PR rtl-optimization/14261
7581 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
7582 move would be an INSV insn.
7583 (noce_process_if_block): Don't optimize if the destination is a
7584 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
7586 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
7588 * config/s390/s390.md: Add comments with the instructions emitted
7589 by an insn pattern if macros are used.
7591 2006-04-19 Alan Modra <amodra@bigpond.net.au>
7593 PR rtl-optimization/26026
7594 * fold-const.c (fold_binary): Optimize div and mod where the divisor
7595 is a known power of two shifted left a variable amount.
7597 2006-04-18 Geoffrey Keating <geoffk@apple.com>
7599 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
7600 to hash table twice when the debug_str section has SECTION_MERGE.
7602 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
7604 * config/soft-fp: New directory. From glibc.
7605 * config/soft-fp/t-softfp: New.
7606 * config/soft-fp/README: New.
7607 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
7608 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
7609 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
7610 (LIBGCC_DEPS): Add $(SFP_MACHINE).
7611 * config.gcc: Use rs6000/t-fprules-fpbit or
7612 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
7614 * config/rs6000/sfp-machine.h: New. Based on glibc.
7615 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
7617 * config/rs6000/t-fprules: Remove fp-bit rules.
7618 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
7619 * config/rs6000/t-linux64: Likewise. Remove duplicates from
7620 LIB2FUNCS_EXTRA. Remove fp-bit rules.
7621 (softfp_wrap_start, softfp_wrap_end): New.
7623 2006-04-18 DJ Delorie <dj@redhat.com>
7625 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
7627 2006-04-18 Devang Patel <dpatel@apple.com>
7629 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
7631 2006-04-18 Nick Clifton <nickc@redhat.com>
7633 * config/sh/t-symbian: Add rule to build sh-c.o
7634 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
7635 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
7636 (sh_symbian_encode_section_info): Likewise.
7638 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
7640 * builtins.c (expand_builtin_strcmp): Cover label definition of
7641 do_libcall with HAVE_cmpstrnsi.
7643 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
7645 * function.c (temp_slots_at_level, max_slot_level): Use VEC
7647 * function.h (temp_slot_p): New.
7648 (function): Change the type of x_used_temp_slots to
7649 VEC(temp_slot_p,gc) *.
7651 2006-04-18 Nick Clifton <nickc@redhat.com>
7653 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
7654 flag_strength_reduce.
7656 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
7658 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
7662 Partial revert of revision 112637
7663 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
7664 Dale Johannesen <dalej@apple.com>
7667 * regclass.c (struct reg_pref): Update documentation.
7668 (regclass): Set prefclass to NO_REGS if memory is the best option.
7669 (record_reg_classes): Cope with a prefclass set to NO_REGS.
7671 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
7673 PR tree-optimization/26821
7674 * tree-ssa-math-opts.c (get_constant_one): New.
7675 (insert_reciprocals): Use it.
7677 2006-04-17 Geoffrey Keating <geoffk@apple.com>
7679 * dwarf2out.c (free_AT): Delete.
7680 (remove_AT): Update string ref counts.
7681 (remove_child_TAG): Don't call free_die.
7683 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
7684 or DW_TAG_GNU_EINCL.
7685 (prune_unused_types_walk_attribs): Reset string refcounts.
7686 (prune_unused_types_update_strings): New.
7687 (prune_unused_types_prune): Don't make unnecessary stores. Don't
7688 call free_die. Do call prune_unused_types_update_strings.
7689 (prune_unused_types): Empty debug_str_hash.
7691 2006-04-17 Roger Sayle <roger@eyesopen.com>
7693 * expr.c (expand_assignment): Optimize away no-op moves where the
7694 source and destination are equal and have no side-effects.
7696 2006-04-17 Richard Guenther <rguenther@suse.de>
7699 * reload.c (push_reload): Guard calls to get_secondary_mem
7702 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
7704 * alias.c (reg_base_value, old_reg_base_value): Change the
7705 type to VEC(rtx,gc) *.
7706 (REG_BASE_VALUE, find_base_value, record_set,
7707 init_alias_analysis): Use VEC instead of VARRAY.
7709 * alias.c (alias_sets): Change the type to
7710 VEC(alias_set_entry,gc) *.
7711 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
7712 VEC instead of VARRAY.
7713 (last_alias_set): Remove.
7715 * cgraph.h (cgraph_edge_p): New.
7716 Update the prototype of cgraph_function_versioning.
7717 * cgraphunit.c (cgraph_copy_node_for_versioning,
7718 cgraph_function_versioning): Use VEC instead of VARRAY.
7719 * ipa-cp.c (ipcp_insert_stage): Likewise.
7721 2006-04-16 Roger Sayle <roger@eyesopen.com>
7724 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
7725 "A op B" or "A op C", we may need to convert A to the type of B and C.
7727 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
7729 * target.h (struct gcc_target): Add mode_rep_extended.
7730 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
7731 (init_num_sign_bit_copies_in_rep): Initialize it using
7733 (truncate_to_mode): Use it.
7734 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
7735 * targhooks.h (default_mode_rep_extended): Declare it.
7736 * targhooks.c (default_mode_rep_extended): Define it.
7737 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
7738 default_mode_rep_extended.
7739 (TARGET_INITIALIZER): Include it.
7740 * doc/tm.texi (Misc): Document it.
7741 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
7742 (mips_truncated_to_mode): New function.
7744 2006-04-16 Roger Sayle <roger@eyesopen.com>
7747 * expr.c (compress_float_constant): Copy the narrow constant into
7748 a new pseudo before extending it to its final width.
7750 2006-04-16 Roger Sayle <roger@eyesopen.com>
7751 Andrew Pinski <pinskia@gcc.gnu.org>
7752 Dale Johannesen <dalej@apple.com>
7755 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
7756 special case code to implement V8HImode and V16QImode with SSE2.
7758 2006-04-15 Roger Sayle <roger@eyesopen.com>
7760 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
7761 trees are constructed with a suitable tree type.
7763 2006-04-15 Roger Sayle <roger@eyesopen.com>
7765 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
7766 (integer_onep): Likewise.
7767 (integer_all_onesp): Likewise.
7768 (integer_pow2p): Likewise.
7769 (integer_nonzerop): Likewise.
7770 (real_zerop): Likewise.
7771 (real_onep): Likewise.
7772 (real_twop): Likewise.
7773 (real_minus_onep): Likewise.
7774 (int_size_in_bytes): Likewise.
7775 (host_integerp): Likewise.
7777 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
7779 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
7780 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
7781 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
7783 * tree-ssa-structalias.h (alias_info): Remove num_references.
7785 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7787 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
7788 (output_bvb patterns): Likewise.
7789 * pa.c (output_bb): Use 'bb' insn for long branch case.
7790 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
7791 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
7792 1. Correct length operand for alternatives 1 and 2.
7793 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
7794 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
7796 2006-04-14 Roger Sayle <roger@eyesopen.com>
7798 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
7799 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
7800 were accidentally reverted by r112959.
7802 2006-04-15 Jakub Jelinek <jakub@redhat.com>
7805 * except.h (eh_region_outermost): New prototype.
7806 * except.c (eh_region_outermost): New function.
7807 * tree-cfg.c (find_outermost_region_in_block): Use it.
7809 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
7811 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
7813 * reload1.c (reg_equiv_memory_loc_varray): Rename to
7814 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
7815 (init_reload, reload): Use VEC instead of VARRAY.
7816 * reload.h: Update the prototype for
7817 reg_equiv_memory_loc_varray.
7819 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
7820 Eric Botcazou <ebotcazou@libertysurf.fr>
7822 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
7825 2005-04-13 Uros Bizjak <uros@kss-loka.si>
7828 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
7829 to expand fallback builtin function call.
7831 2006-04-14 Alan Modra <amodra@bigpond.net.au>
7834 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
7835 and emit libcall here in case the builtin fails.
7836 (expand_builtin_strcmp): Always emit the libcall here on failure.
7838 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
7840 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
7841 * flow.c (reg_n_info): Change the type to
7842 VEC(reg_info_p,heap) *.
7843 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
7845 * regs.h (reg_info_p): New.
7846 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
7847 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
7848 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
7851 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
7853 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
7855 * params.h (MAX_SCHED_READY_INSNS): New macro.
7856 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
7857 past MAX_SCHED_READY_INSNS during the first scheduling pass.
7858 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
7859 the ready list for 1 cycle during the first scheduling pass.
7860 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
7862 2006-04-13 Richard Henderson <rth@redhat.com>
7865 * gimple-low.c (lower_omp_directive): Remove dead code.
7866 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
7867 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
7868 * omp-low.c (struct omp_region): Move to tree-flow.h.
7869 (root_omp_region): Export.
7870 (omp_regions, lookup_omp_region): Remove.
7871 (determine_parallel_type): Update for struct omp_region changes.
7872 (dump_omp_region): Dump regions with block numbers.
7873 (new_omp_region): Take type and block instead of stmt; malloc
7875 (free_omp_region_1, free_omp_regions): New.
7876 (expand_parallel_call): Take entry_stmt as argument; update for
7877 changes to omp_region.
7878 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
7879 (remove_exit_barriers): New.
7880 (expand_omp_parallel): Update for struct omp_region changes.
7881 (expand_omp_synch): Likewise.
7882 (expand_omp): Likewise.
7883 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
7884 (expand_omp_for_static_chunk): Likewise.
7885 (expand_omp_for): Likewise.
7886 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
7887 (expand_omp_sections): Similarly, with GOMP_sections_end.
7888 (expand_omp_single): New.
7889 (build_omp_regions_1): Update for OMP_CONTINUE.
7890 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
7891 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
7892 OMP_SECTIONS_SECTIONS.
7893 (lower_omp_single_simple): Don't emit barrier here.
7894 (lower_omp_single_copy): Likewise.
7895 (lower_omp_single): Fix bindings, and lower to straightline now.
7896 (lower_omp_master, lower_omp_ordered): Likewise.
7897 (lower_omp_critical): Likewise.
7898 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
7899 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
7900 omp edges, free it afterward.
7901 (make_omp_sections_edges): Remove.
7902 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
7903 (move_stmt_r): Handle OMP_CONTINUE.
7904 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
7905 statement pointers to basic blocks. Add type member.
7906 (root_omp_region, new_omp_region, free_omp_regions): Declare.
7907 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
7908 * tree-inline.c (estimate_num_insns_1): Likewise.
7909 * tree-pretty-print.c (dump_generic_node): Likewise.
7910 * tree-ssa-operands.c (get_expr_operands): Likewise.
7911 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
7912 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
7913 (OMP_CONTINUE): New.
7914 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
7915 (OMP_SECTIONS_SECTIONS): Remove.
7916 (OMP_SECTION_LAST): New.
7917 (OMP_RETURN_NOWAIT): New.
7919 2006-04-13 Roger Sayle <roger@eyesopen.com>
7921 * fold-const.c (native_encode_vector, native_interpret_real):
7922 Correct obvious mistakes in the previous check-in.
7924 2006-04-13 Roger Sayle <roger@eyesopen.com>
7926 * fold-const.c (native_encode_expr): New function to encode
7927 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
7928 or VECTOR_CST into a specified buffer.
7929 (native_encode_int): New function.
7930 (native_encode_real): New function.
7931 (native_encode_complex): New function.
7932 (native_encode_vector): New function.
7933 (native_interpret_expr): Inverse of native_encode_expr to convert
7934 a target representation into an INTEGER_CST, REAL_CST etc...
7935 (native_interpret_int): New function.
7936 (native_interpret_real): New function.
7937 (native_interpret_complex): New function.
7938 (native_interpret_vector): New function.
7939 (fold_view_convert_expr): New function to constant fold/evaluate
7940 a VIEW_CONVERT_EXPR of a suitable constant expression.
7941 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
7942 Change call of build1 to fold_build1 when constructing a
7945 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
7946 Ulrich Weigand <uweigand@de.ibm.com>
7949 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
7952 2006-04-13 Alan Modra <amodra@bigpond.net.au>
7955 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
7956 optimize to lo_sum for DFmode if !TARGET_FPRS.
7958 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
7960 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
7961 delete_alias_info, compute_flow_sensitive_aliasing,
7962 group_aliases): Use VEC instead of VARRAY.
7963 * tree-ssa-structalias.c (update_alias_info): Likewise.
7964 * tree-ssa-structalias.h (alias_info): Change the type of
7965 processed_ptrs to VEC(tree,heap) *.
7967 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
7970 * config/sh/lib1funcs.h: New file, broken out of:
7971 * config/sh/lib1funcs.asm.
7972 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
7974 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
7975 * config/sh/lib1funcs-Os-4-200.asm: New file.
7976 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
7977 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
7978 (EXTRA_MULTILIB_PARTS): Include it.
7979 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
7980 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
7981 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
7982 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
7985 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
7987 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
7988 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
7989 tpa_compact, root_var_init, type_var_init): Use VEC instead of
7991 * tree-ssa-live.h: Include vecprim.h.
7992 (tree_partition_associator_d): Change the type of
7993 first_partition to VEC(int,heap) *.
7994 (tpa_first_partition): Use VEC instead of VARRAY.
7996 * Makefile.in (GTFILES): Move functions.h after tree.h.
7997 * function.c (reset_block_changes, record_block_change,
7998 check_block_change, free_block_changes): Use VEC instead of
8000 * function.h (function): Change the type of
8001 ib_boundaries_block to VEC(tree,gc) *.
8002 * tree-inline.c (copy_cfg_body): Initialize
8003 ib_boundaries_block to NULL instead of (varray_type) 0.
8005 2006-04-12 Roger Sayle <roger@eyesopen.com>
8007 * expr.c (emit_group_store): Correct operand order in call to
8008 subreg_lowpart_offset. Always create paradoxical SUBREGs with
8009 a SUBREG_BYTE of zero.
8011 2006-04-12 Richard Guenther <rguenther@suse.de>
8013 * profile.c (compute_branch_probabilities): Remove code
8014 encapsulated in !ir_type (), which are remanents of the
8015 removed RTL profiling code.
8016 * rtl-profile.c: Remove.
8018 2006-04-12 Alan Modra <amodra@bigpond.net.au>
8020 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
8021 magic NULL_RTX comment.
8022 (function_arg): Store entire fp arg to mem if any part should go
8024 (rs6000_arg_partial_bytes): Adjust for above change.
8026 2006-04-11 Roger Sayle <roger@eyesopen.com>
8028 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
8029 if it hasn't been initialized by dwarf2out_init.
8031 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
8033 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
8034 symbolic constants in branch patterns.
8036 2006-04-11 Roger Sayle <roger@eyesopen.com>
8038 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
8040 2006-04-11 Richard Sandiford <richard@codesourcery.com>
8042 PR rtl-optimization/27073
8043 * gcse.c (try_replace_reg): Revert last change. Continue to search
8044 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
8047 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
8049 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
8050 aggregate types other than record and union types.
8051 (function_arg): Likewise.
8052 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
8054 (function_value): In 64-bit mode, return objects that require it
8057 2006-04-11 Roger Sayle <roger@eyesopen.com>
8059 * dwarf2out.c (premark_used_types): Remove problematic prototype.
8061 2006-04-11 Jakub Jelinek <jakub@redhat.com>
8063 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
8065 2006-04-03 Jeff Law <law@redhat.com>
8068 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
8069 alias information too.
8071 2006-04-10 Mike Frysinger <vapier@gentoo.org>
8073 * Makefile.in (gcc-cross): Add $(exeext) to target name.
8075 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
8078 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
8079 (premark_used_types_helper): New.
8080 (premark_used_types): New.
8081 (gen_subprogram_die): Call premark_used_types.
8082 (prune_unused_types_walk): Do not prune perennial dies.
8083 * function.c (used_types_insert): New.
8084 * function.h (struct function): Add used_types_hash field.
8085 (used_types_insert): Add prototype.
8086 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
8087 * c-parser.c (c_parser_cast_expression): Save casted types in used
8090 2006-04-11 Mark Mitchell <mark@codesourcery.com>
8093 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
8094 rs6000_explicit_options.float_gprs.
8096 2006-04-10 Roger Sayle <roger@eyesopen.com>
8098 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
8099 from ix86_expand_vector_init_low_nonzero. Take an additional
8100 one_var argument indicating which element is non-zero. Support
8101 one_var != 0 for V4SFmode and V4SImode by permuting the result.
8102 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
8103 with one_var instead of ix86_expand_vector_init_low_nonzero.
8105 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
8107 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
8108 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
8109 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
8110 build/genextract.o): Depend on vecprim.h.
8111 * cfglayout.c, df-problems.c, function.c, genextract.c,
8112 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
8113 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
8117 2006-04-10 Geoffrey Keating <geoffk@apple.com>
8119 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
8120 Declare VECs of this type.
8121 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
8122 (remove_children): Delete.
8123 (add_dwarf_attr): Use VEC routines.
8124 (add_AT_flag): Update for changes to add_dwarf_attr.
8125 (add_AT_int): Likewise.
8126 (add_AT_unsigned): Likewise.
8127 (add_AT_long_long): Likewise.
8128 (add_AT_vec): Likewise.
8129 (add_AT_string): Likewise.
8130 (add_AT_die_ref): Likewise.
8131 (add_AT_fde_ref): Likewise.
8132 (add_AT_loc): Likewise.
8133 (add_AT_loc_list): Likewise.
8134 (add_AT_addr): Likewise.
8135 (add_AT_lbl_id): Likewise.
8136 (add_AT_lineptr): Likewise.
8137 (add_AT_macptr): Likewise.
8138 (add_AT_offset): Likewise.
8139 (add_AT_range_list): Likewise.
8140 (get_AT): Use VEC_iterate.
8141 (remove_AT): Use VEC_ordered_remove.
8142 (free_die): Fold remove_children into here; have it use VEC_iterate.
8143 (print_die): Use VEC_iterate on attrs.
8144 (reverse_die_lists): Don't reverse attr lists.
8145 (die_checksum): Use VEC_iterate on attrs.
8146 (same_die_p): Likewise.
8147 (output_location_lists): Likewise.
8148 (build_abbrev_table): Likewise.
8149 (size_of_die): Likewise.
8150 (unmark_all_dies): Likewise.
8151 (output_abbrev_section): Likewise.
8152 (output_die): Likewise.
8153 (prune_unused_types_walk_attribs): Likewise.
8155 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
8157 * doc/install.texi (*-*-solaris2*): Point to the configure page.
8159 2006-04-10 Jakub Jelinek <jakub@redhat.com>
8162 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
8164 2006-04-09 Roger Sayle <roger@eyesopen.com>
8166 * expr.c (store_constructor): Don't bother clearing target if
8167 we're about to assign a vector to it using vec_init_optab.
8169 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
8171 * tree-ssa-alias.c (lhs_may_store_to): New function.
8172 (recalculate_used_alone): Handle LHS of calls.
8174 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8178 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
8179 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
8180 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
8181 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
8182 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
8183 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
8184 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
8185 stubs. Add ".align 8" directives before all ".dword" directives.
8186 (GTHREAD_USE_WEAK): Revise comment.
8187 (TARGET_ATTRIBUTE_WEAK): Define.
8188 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
8189 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
8190 * stublib.c: New file.
8195 * pa.md (cbranch patterns): Revise arguments used in calls to
8196 output_cbranch, output_bb and output_bvd. Add long branch length
8198 (fbranch patterns): Handle long branches.
8199 (jump): Revise length check. Revise arguments for output_lbranch call.
8200 Add long branch length attributes.
8201 (decrement_and_branch_until_zero): Add long branch length attributes.
8202 (output_movb, output_parallel_addb and output_parallel_movb patterns):
8203 Likewise. Revise arguments for output_parallel_addb and
8204 output_parallel_movb calls.
8205 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
8206 output_parallel_movb and output_parallel_addb): Update prototypes.
8207 * pa.c (output_cbranch): Revise arguments. Correct handling of
8208 nullification in long branches.
8209 (output_lbranch): Add new argument to control extraction of delay
8211 (output_bb): Handle long branches.
8212 (output_bvb, output_dbra, output_movb, output_parallel_movb,
8213 output_parallel_addb): Likewise.
8215 2006-04-09 Richard Sandiford <richard@codesourcery.com>
8217 PR rtl-optimization/27073
8218 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
8221 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
8223 * tree.h (tree_memory_tag): Add old_used_alone.
8224 (SMT_OLD_USED_ALONE): New macro.
8225 * tree-ssa-alias.c (recalculate_used_alone): Stop
8226 marking things for renaming unnecessarily.
8228 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
8230 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
8231 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
8232 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
8233 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
8234 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
8235 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
8236 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
8237 spelling convensions.
8238 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
8239 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
8240 typos. Follow spelling conventions.
8242 2006-04-07 DJ Delorie <dj@redhat.com>
8244 * config/m32c/m32c.c (m32c_function_arg): Structures are always
8245 passed on the stack.
8246 (m32c_init_cumulative_args): When a function returns a structure,
8247 always pass the pointer to that return area on the stack.
8248 (m32c_function_arg_advance): Don't increment the parameter number
8249 if we're processing the returned structure pointer.
8250 (pushm_info): Reverse order of registers.
8252 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
8254 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
8255 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
8256 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
8257 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
8259 * tree-chrec.c (chrec_fold_multiply_poly_poly,
8260 chrec_fold_multiply): Same.
8261 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
8262 force_expr_to_var_cost): Same.
8263 * tree-mudflap.c (mf_xform_derefs_1): Same.
8264 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
8266 2006-04-07 David Edelsohn <edelsohn@gnu.org>
8268 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
8269 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
8272 2006-04-07 Jan Hubicka <jh@suse.cz>
8274 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
8276 2006-04-07 Richard Guenther <rguenther@suse.de>
8278 PR tree-optimization/26135
8279 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
8280 loads for store copy-prop.
8281 (copy_prop_visit_stmt): Likewise.
8283 2006-04-05 Robert Millan <robertmh@gnu.org>
8285 * config/i386/linux.h: Add a comment to mark macros that are
8286 being overriden in config/k*bsd-gnu.h.
8287 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
8289 * config/knetbsd-gnu.h: Ditto.
8291 2006-04-06 Jan Hubicka <jh@suse.cz>
8295 * coverage.c (coverage_checksum_string): Reorganize loop to not read
8298 2006-04-06 Mike Stump <mrs@apple.com>
8300 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
8301 for HAVE_nonlocal_goto to be consistent.
8302 (expand_builtin_nonlocal_goto): Likewise.
8303 (expand_builtin_strcmp): Use #ifdef instead of #if
8304 for HAVE_cmpstrnsi to be consistent.
8306 2006-04-05 DJ Delorie <dj@redhat.com>
8308 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
8311 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
8313 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
8314 got-relative addressing for anything but SImode.
8316 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
8317 even if the calling function doesn't modify them.
8319 2006-04-05 Richard Guenther <rguenther@suse.de>
8321 PR tree-optimization/26919
8322 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
8323 to cgraph_estimate_size_after_inlining.
8325 2006-04-05 Alan Modra <amodra@bigpond.net.au>
8327 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
8329 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
8331 PR tree-optimization/26996
8332 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
8333 VECTOR_TYPE variables.
8335 2006-04-05 Richard Guenther <rguenther@suse.de>
8337 PR tree-optimization/26763
8338 * fold-const.c (fold_comparison): Move folding of
8339 PTR + CST CMP PTR + CST ...
8340 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
8342 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
8344 * doc/install.texi (Prerequisites): Refine some wording on
8345 bootstrapping and ksh.
8346 Move the version numbers of DejaGnu here from the testing section
8347 and fix casing of names.
8348 Fix markup and clarify wording for autogen requirements.
8349 Refer to GCJ instead of just java.
8350 Refer to SVN instead of CVS.
8351 Describe diffutils as useful instead of necessary.
8352 (Downloading the source): Refer to SVN instead of CVS.
8353 Adjust a link to our web site accordingly.
8354 (Configuration): Fix casing of Bison.
8355 (Building): Refer to SVN instead of CVS.
8356 Fix a sentence on the use of Bison and remove duplicate (and
8357 incorrect) version number of Bison requirement.
8358 Remove one redundant list of packages needed for building.
8359 (Specific): Avoid reference to CVS.
8361 2006-04-04 Eric Christopher <echristo@apple.com>
8363 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
8364 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
8365 (rs6000_handle_struct_attribute): New.
8366 (rs6000_ms_bitfield_layout_p): Ditto.
8368 2006-04-04 Geoffrey Keating <geoffk@apple.com>
8370 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
8371 NULL for dso parameter to atexit_common.
8373 2006-04-04 Eric Christopher <echristo@apple.com>
8375 * config/i386/i386.c (machopic_output_stub): Output \t
8376 between instructions and operands.
8378 2006-04-04 David Edelsohn <edelsohn@gnu.org>
8380 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
8381 satisfies_constraint_[IL] to explicit tests on value.
8383 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
8385 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
8386 set_nb_iterations_in_loop): Use build_int_cst instead of
8388 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
8389 build_int_cst instead of convert.
8391 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
8393 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
8394 new value 2 for incoming.
8395 * function.c (expand_function_start): Call struct_value_rtx
8397 * config/sparc/sparc.md: Comment updated_return.
8398 * config/sparc/sparc.opt: Add -mstd-struct-return option.
8399 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
8400 struct return if sparc_std_struct_return and incoming is 2.
8401 (print_operand): Do not adjust return if
8402 sparc_std_struct_return.
8404 2006-04-04 Roger Sayle <roger@eyesopen.com>
8406 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
8407 convert in the middle-end.
8408 * expr.c (store_expr, store_constructor, get_inner_reference,
8409 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
8411 * tree.c (build_range_type): Likewise.
8413 2006-04-04 Tom Tromey <tromey@redhat.com>
8415 * doc/install.texi (Prerequisites): Mention jar.
8417 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
8419 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
8422 2006-04-04 Matthias Klose <doko@debian.org>
8424 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
8428 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
8431 2006-04-03 Geoffrey Keating <geoffk@apple.com>
8433 * doc/extend.texi (Function Attributes): Rewrite visibility
8434 attribute documentation.
8435 * doc/invoke.texi (C++ Dialect Options): Rewrite
8436 -fvisibility-inlines-hidden documentation to describe something
8437 entirely different, although in practise compatible.
8438 (Code Gen Options): Warn about system headers in -fvisibility=
8441 * doc/extend.texi (Other Builtins): Document that
8442 __builtin_nan is a compile-time constant only when its argument
8445 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
8447 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
8448 trying to remove TRUNCATE check if all bits outside the new mode
8449 are identical to the sign bit.
8451 2006-04-03 Jeff Law <law@redhat.com>
8453 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
8454 and operand scanning in some common cases.
8456 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
8457 Dale Johannesen <dalej@apple.com>
8460 * regclass.c (struct reg_pref): Update documentation.
8461 (regclass): Set prefclass to NO_REGS if memory is the best option.
8462 (record_reg_classes): Cope with a prefclass set to NO_REGS.
8463 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
8464 into account. For non-registers, equate an empty preferred
8465 reload class to a `!' in the constraint; move the if clause to
8466 do so after those that reject the insn.
8467 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
8469 (find_dummy_reload): Likewise.
8470 * doc/tm.texi (Register Classes): Document what it means
8471 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
8472 * config/i386/i386.c (ix86_preferred_reload_class): Force
8473 using SSE registers (and return NO_REGS for floating-point
8474 constants) if math is done with SSE.
8475 (ix86_preferred_output_reload_class): New.
8476 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
8477 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
8478 * config/i386/i386.md: Remove # register preferences.
8480 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8483 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
8484 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
8485 the type of nb_iter.
8486 (instantiate_parameters_1): Convert the operands before calling
8487 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
8488 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
8490 2006-04-02 Roger Sayle <roger@eyesopen.com>
8492 * builtins.c (dummy_object): Use build_int_cst instead of convert.
8493 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
8495 * dojump.c (do_jump): Likewise.
8496 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
8497 * gimplify.c (gimple_boolify, gimplify_init_constructor,
8498 gimplify_boolean_expr): Likewise.
8499 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
8500 * varasm.c (array_size_for_constructor): Likewise.
8501 * tree-object-size.c (compute_object_offset): Likewise.
8503 2006-04-02 Roger Sayle <roger@eyesopen.com>
8506 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
8507 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
8509 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8511 PR tree-optimization/26939
8512 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
8514 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8516 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
8517 at_stmt. Convert the type of operands before calling
8518 build_polynomial_chrec.
8519 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
8521 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
8522 (instantiate_parameters_1): Convert the type of operands before calling
8523 build_polynomial_chrec.
8524 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
8525 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
8526 reset_evolution_in_loop): Insert asserts to check the types of the
8528 (chrec_type): Moved...
8529 (eq_evolutions_p): Use operand_equal_p.
8530 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
8531 the types of the operands.
8532 (chrec_type): ...here.
8533 * tree-data-ref.c (create_data_ref): Convert the operands before
8534 calling chrec_replace_initial_condition.
8535 (same_access_functions, analyze_subscript_affine_affine,
8536 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
8537 (compute_subscript_distance, analyze_ziv_subscript,
8538 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
8539 analyze_miv_subscript): Convert the operands before calling
8540 chrec_fold_minus or chrec_fold_plus.
8542 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8544 * tree-data-ref.c (compute_all_dependences): Use a pointer to
8545 the dependence_relations vector.
8546 (compute_data_dependences_for_loop): Adjust call to
8547 compute_all_dependences.
8549 2006-04-01 Roger Sayle <roger@eyesopen.com>
8550 Richard Henderson <rth@redhat.com>
8552 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
8553 gimple_boolify on the condition before calling gimplify_expr.
8555 2006-03-31 Bob Wilson <bob.wilson@acm.org>
8557 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
8558 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
8559 the frame size. Update to use the new macros.
8560 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
8561 * config/xtensa/ieee754-df.S: Likewise.
8563 2006-03-31 Richard Henderson <rth@redhat.com>
8565 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
8566 (make_edges): ... here. Control fallthru creation with a local
8567 variable. Do not play with fake edges.
8568 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
8569 (make_goto_expr_edges): Don't play with fake edges. Make for_call
8572 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
8574 * dwarf2.h (DW64_CIE_ID): Define.
8575 * dwarf2out.c (DWARF_CIE_ID): Define.
8576 (output_call_frame_info): Output 0xffffffff before standard 8-byte
8577 length header. Use DWARF_CIE_ID.
8578 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
8579 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
8581 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
8583 * config/sh/linux-atomic.asm: New file.
8584 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
8586 2006-03-31 DJ Delorie <dj@redhat.com>
8588 * config/m32c/cond.md: Set condition flags properly throughout.
8589 * config/m32c/minmax.md: Likewise.
8590 * config/m32c/prologue.md: Likewise.
8591 * config/m32c/bitops.md: Likewise.
8592 * config/m32c/muldiv.md: Likewise.
8593 * config/m32c/mov.md: Likewise.
8594 * config/m32c/addsub.md: Likewise.
8595 * config/m32c/m32c.md: Likewise.
8596 * config/m32c/jump.md: Likewise.
8597 * config/m32c/shift.md: Likewise.
8599 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
8600 conditionally output the pattern for this.
8601 * config/m32c/m32c.c (flags_needed_for_conditional): New.
8602 (m32c_compare_redundant): New.
8603 (m32c_output_compare): New.
8604 * config/m32c/m32c-protos.h (m32c_output_compare): New.
8606 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
8607 dest, not src. Allow other 4-byte modes.
8609 2006-03-30 Denis Chertykov <denisc@overta.ru>
8611 * doc/md.texi: Refer to avr/constraints.md instead of
8614 2006-03-30 Roger Sayle <roger@eyesopen.com>
8616 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
8617 signed vs. unsigned comparison failures on some hosts.
8619 2006-03-31 Alan Modra <amodra@bigpond.net.au>
8622 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
8623 change to FLOAT_REGS.
8625 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
8626 (rs6000_override_options): Use it.
8627 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
8628 only for -mabi=spe/no-spe and -mabi=altivec.
8630 2006-03-30 Geoffrey Keating <geoffk@apple.com>
8632 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
8635 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
8637 * Makefile.in: Rename docdir to gcc_docdir.
8639 2006-03-30 Roger Sayle <roger@eyesopen.com>
8642 * expr.c (emit_group_store): Optimize group stores into a pseudo
8643 register by using a paradoxical subreg to initialize the destination
8644 if the first or last member of the group specifies a "low part".
8646 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8649 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
8650 * target.h (struct gcc_target.speculate_insn): Change type of the
8651 second parameter to 'int'.
8652 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
8653 the second operand of the DEPS_LIST.
8654 (copy_DEPS_LIST_list): Update reference to the second operand of the
8656 * rtl.h (alloc_DEPS_LIST): Update signature.
8657 * sched-int.h (ds_t): Change typedef to 'int'.
8658 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
8660 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8662 * haifa-sched.c (try_ready): Change condition to restore
8663 non-speculative pattern of the instruction.
8664 (process_insn_depend_be_in_spec): Code to keep probability of the
8665 speculative dependence non-decreasing.
8667 2006-03-30 Jie Zhang <jie.zhang@analog.com>
8669 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
8670 (single_move_for_movmem): ... this. Also change all uses.
8671 (bfin_expand_strmov): Renamed to...
8672 (bfin_expand_movmem): ... this. Also change all uses.
8673 * config/bfin/bfin.md (movstrsi): Renamed to...
8674 (movstrsi): ...this.
8676 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
8678 PR tree-optimization/26830
8680 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
8681 (copy_prop_visit_stmt): Remove write-only variable ann.
8682 (init_copy_prop): Check variable loop depth here. Do not simulate
8683 memory-tag and virtual operand PHIs except for store copy prop.
8685 2006-03-30 Richard Guenther <rguenther@suse.de>
8687 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
8688 variants with double arguments.
8690 2006-03-29 David Edelsohn <edelsohn@gnu.org>
8692 * genpreds.c (write_tm_constrs_h): Delete variable p.
8693 * genconditions.c (write_header): Add tm-constrs.h to included
8695 * genpeep.c (main): Add toplev.h to included headers.
8696 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
8697 (build/genpeep.o): Add toplev.h dependency.
8698 * config/rs6000/constraints.md: Add "W" constraint.
8700 2006-03-29 Roger Sayle <roger@eyesopen.com>
8702 * stor-layout.c (mode_for_size_tree): Remove restiction on type
8703 sizes by correctly testing whether the size fits a host integer.
8704 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
8705 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
8706 SImode range for the default sizetype and bitsizetype.
8708 2006-03-29 Roger Sayle <roger@eyesopen.com>
8710 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
8711 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
8712 quickly if the argument is already of the correct type.
8713 Call fold_build1 instead of build1. Tidy up blank lines.
8715 2006-03-29 David Edelsohn <edelsohn@gnu.org>
8717 * genemit.c (main): Add tm-constrs.h to included headers.
8718 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
8719 * genpeep.c (main): Add tm-constrs.h to included headers.
8720 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
8721 (write_tm_constrs_h): this and write complete file.
8722 (write_tm_preds_h): Do not emit satisfies_constraint fns.
8723 (write_insn_preds_c): Add tm-constrs.h to included headers.
8724 (gen_constrs): New variable.
8725 (parse_option): Parse "-c".
8726 (main): Invoke write_tm_constrs_h.
8727 * genrecog.c (write_header): Add tm-constrs.h to included headers.
8728 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
8729 (object_out_file): Add tm-constrs.h dependency.
8730 (insn-emit.o): Same.
8731 (insn-output.o): Same.
8732 (insn-peep.o): Same.
8733 (insn-preds.o): Same.
8734 (insn-recog.o): Same.
8735 (tm-constsr.h): New target.
8736 (s-constrs-h): New target.
8738 * config/rs6000/constraints.md: New file.
8739 * config/rs6000/rs6000.c: Include tm-constrs.h.
8740 (num_insn_constant_wide): Convert to satisfies_constraint.
8741 (rs6000_rtx_costs): Convert to satisfies_constraint.
8742 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
8743 (CONST_OK_FOR_LETTER_P): Delete.
8744 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
8745 (EXTRA_CONSTRAINT): Delete.
8746 (EXTRA_MEMORY_CONSTRAINT): Delete.
8747 (EXTRA_ADDRESS_CONSTRAINT): Delete.
8748 * config/rs6000/predicates.md: Convert to satisfies_constraint.
8749 * config/rs6000/rs6000.md: Include constraints.md. Convert to
8750 satisfies_constraint.
8752 * config/i386/i386.c: Include tm-constrs.h.
8754 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
8756 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
8757 * tree-data-ref.c (find_data_references_in_loop,
8758 compute_data_dependences_for_loop): Use pointers to VEC.
8759 (analyze_all_data_dependences): Adjust calls.
8760 * tree-data-ref.h (find_data_references_in_loop,
8761 compute_data_dependences_for_loop): Adjust declarations.
8762 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
8763 compute_data_dependences_for_loop.
8765 2006-03-29 Paul Brook <paul@codesourcery.com>
8767 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
8770 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
8772 PR tree-optimization/26859
8773 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
8775 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
8776 for the step after fold_convert.
8778 2006-03-29 Paul Brook <paul@codesourcery.com>
8780 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
8781 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
8783 2006-03-29 Paul Brook <paul@codesourcery.com>
8786 * targhooks.c (default_narrow_bitfield): New fuction.
8787 * targhooks.h (default_narrow_bitfield): add prototype.
8788 * target.h (gcc_target): Add narrow_volatile_bitfield.
8789 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
8790 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
8791 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
8792 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
8794 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
8796 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
8798 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
8799 (NR_C_MODES): Add TDmode, DDmode and SDmode.
8800 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
8801 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
8802 (s390_function_arg_float): Allow SDmode and DDmode values to be
8803 passed in floating point registers.
8804 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
8805 check with SCALAR_FLOAT_MODE_P.
8806 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
8808 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
8810 PR tree-optimization/25985
8811 * tree-ssa-loop-niter.c (number_of_iterations_le,
8812 number_of_iterations_ne): Make comments more precise.
8813 (number_of_iterations_cond): Add only_exit argument. Use the
8814 fact that signed variables do not overflow only when only_exit
8816 (loop_only_exit_p): New.
8817 (number_of_iterations_exit): Pass result of loop_only_exit_p to
8818 number_of_iterations_cond.
8820 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
8822 PR tree-optimization/26643
8823 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
8826 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
8828 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
8829 (divsi3_i4_int): Likewise.
8831 2006-03-28 Roger Sayle <roger@eyesopen.com>
8833 * expr.c (emit_group_store): Only create a new pseudo reg if the
8834 quantity it needs to hold isn't already a suitable pseudo.
8836 2006-03-28 Jeff Law <law@redhat.com>
8838 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
8839 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
8841 2006-03-28 Roger Sayle <roger@eyesopen.com>
8843 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
8844 the equivalent ~X & Y, and the symmetry related transformations.
8845 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
8846 ~X & Y, and symmetry related transforms.
8848 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8850 Revert my 2006-03-27 patches.
8852 2006-03-28 Roger Sayle <roger@eyesopen.com>
8854 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
8855 ~(T1)X, when T1 and T2 are integer types of the same precision
8856 and (T2)X isn't an extension.
8858 2006-03-28 Jeff Law <law@redhat.com>
8860 PR tree-optimization/26796
8861 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
8862 need EH edge cleanups rather than purging them immediately.
8863 (eliminate_degenerate_phis): Handle queued EH cleanups.
8865 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
8867 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
8870 2006-03-27 Roger Sayle <roger@eyesopen.com>
8873 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
8874 cast BIT_NOT_EXPR operand to the correct type.
8876 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
8878 * tree-loop-linear.c: Don't include varray.h.
8879 (gather_interchange_stats, try_interchange_loops,
8880 linear_transform_loops): Use VEC instead of VARRAY.
8881 * lambda-mat.c: Don't include varray.h.
8882 * tree-chrec.c: Same.
8883 * lambda-trans.c: Same.
8884 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
8885 VEC instead of VARRAY.
8886 * tree-vectorizer.h: Idem.
8887 * tree-data-ref.c (dump_data_references,
8888 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
8889 initialize_data_dependence_relation, finalize_ddr_dependent,
8890 compute_all_dependences, find_data_references_in_loop,
8891 compute_data_dependences_for_loop, analyze_all_data_dependences,
8892 free_dependence_relation, free_dependence_relations,
8893 free_data_refs): Idem.
8894 * tree-data-ref.h (data_reference_p, subscript_p): New.
8895 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
8896 VEC instead of VARRAY.
8897 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
8898 (find_data_references_in_loop, compute_data_dependences_for_loop,
8899 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
8900 dump_data_dependence_relations, free_dependence_relations,
8901 free_data_refs): Adjust declaration.
8902 (lambda_transform_legal_p): Move declaration here...
8903 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
8904 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
8905 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
8906 vect_analyze_data_refs): Use VEC instead of VARRAY.
8907 * lambda.h (lambda_transform_legal_p): ...from here.
8908 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
8909 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
8910 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
8911 tree-chrec.o): Don't depend on VARRAY_H.
8913 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8915 * rtl.def (Copyright): Update date.
8916 (DEPS_LIST): Change type of the second operand to 'int'.
8917 * target.h (Copyright): Update date.
8918 (struct gcc_target.speculate_insn): Change type of the second parameter
8920 * lists.c (Copyright): Update date.
8921 (alloc_DEPS_LIST): Change signature. Update reference to the second
8922 operand of the DEPS_LIST.
8923 (copy_DEPS_LIST_list): Update reference to the second operand of the
8925 * rtl.h (Copyright): Update date.
8926 (alloc_DEPS_LIST): Update signature.
8927 * sched-int.h (Copyright): Update date.
8928 (ds_t): Change typedef to 'int'.
8929 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
8931 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8933 * haifa-sched.c (Copyright): Update date.
8934 (try_ready): Change condition to restore non-speculative pattern
8936 (process_insn_depend_be_in_spec): Code to keep probability of the
8937 speculative dependence non-decreasing.
8939 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
8941 * regrename.c (replace_oldest_value_addr): Initialize a variable to
8942 shut up the compiler.
8944 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
8946 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
8947 to use lib prefix for target.
8948 ($(T)libic_invalidate_array_4-200.a): Likewise.
8949 ($(T)libic_invalidate_array_4a.a): Likewise.
8951 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
8952 J"orn Rennecke <joern.rennecke@st.com>
8954 * superh.opt: New file.
8955 * sh.c (boardtype, osruntime): Remove.
8956 * superh.h (SUBTARGET_OPTIONS): Remove.
8957 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
8959 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
8960 arguments with ^ and/or [].
8962 * config.gcc (sh-*-*): Add quoting to account for quirk of
8964 Replace == with = in enable_incomplete_targets test.
8966 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
8967 with MASK_LITTLE_ENDIAN.
8969 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
8970 * config/sh/sh.opt: Added to some comments.
8971 * config/sh/superh.h: Removed some chaff.
8973 * config/sh/sh.opt: Add m4-[1234]00* options.
8974 * config/sh/sh.c (sh_handle_option): Likewise.
8975 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
8976 (ic_invalidate_array_4-100.o): New rule.
8977 ($(T)libic_invalidate_array_4-100.a): Likewise.
8978 (ic_invalidate_array_4-200.o): Likewise.
8979 ($(T)libic_invalidate_array_4-200.a): Likewise.
8980 (ic_invalidate_array_4a.o): Likewise.
8981 ($(T)libic_invalidate_array_4a.a): Likewise.
8982 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
8983 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
8985 * config/sh/crt1.asm: Merged in profiling code.
8986 * config/sh/superh.h (STARTFILE_SPEC): Override.
8987 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
8988 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
8989 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
8991 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
8992 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
8993 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
8995 * sh.opt (mpretend-cmove): New option.
8996 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
8997 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
8998 (movsicc): Add TARGET_PRETEND_CMOVE code.
9000 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
9002 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
9003 s390_class_max_nregs): New function prototypes.
9004 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
9005 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
9006 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
9007 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
9009 2006-03-26 Geoffrey Keating <geoffk@apple.com>
9011 * dwarf2out.c (add_location_or_const_value_attribute): Call
9012 tree_add_const_value_attribute if nothing else works.
9013 (reference_to_unused): New.
9014 (rtl_for_decl_init): Use reference_to_unused to decide whether
9015 to output an initializer.
9017 2006-03-27 Alan Modra <amodra@bigpond.net.au>
9020 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
9021 peephole removing spe frob_di_df_2.
9023 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
9025 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
9026 (subscript_dependence_tester_1): Declared.
9027 (print_dir_vectors, print_dist_vectors): New.
9028 (debug_data_dependence_relation): New.
9029 (dump_data_dependence_relation): Print more details.
9030 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
9031 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
9032 (save_dist_v, save_dir_v, add_outer_distances,
9033 build_classic_dist_vector_1): New.
9034 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
9035 Don't test for lambda_vector_lexico_pos.
9036 (same_access_functions, add_multivariate_self_dist,
9037 add_other_self_distances, dir_from_dist): New.
9038 (build_classic_dir_vector): Replace implementation almost identical to
9039 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
9041 (subscript_dependence_tester_1): New.
9042 (subscript_dependence_tester): Handle the lexicographically negative
9043 distance vectors by recomputing the dependence relation.
9044 (compute_affine_dependence): Remove parameter loop_nest_depth.
9045 (compute_self_dependence): Don't call compute_subscript_distance.
9046 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
9047 Add a parameter for the loop_nest.
9048 (find_loop_nest_1, find_loop_nest): New.
9049 (compute_data_dependences_for_loop): Compute the loop nest, and give
9050 up if the nest is not well formed.
9051 * tree-data-ref.h (loop_p): New.
9052 (struct data_dependence_relation): Replace size_vect field with
9053 loop_nest, a vec of loops.
9054 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
9055 (DDR_LOOP_NEST): New.
9056 (print_dir_vectors, print_dist_vectors,
9057 debug_data_dependence_relation): Declared.
9058 (index_in_loop_nest): New.
9059 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
9060 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
9063 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
9065 * simplify-rtx.c (simplify_relational_operation): Call
9066 simplify_relational_operation_1 even if mode is VOIDmode.
9068 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
9070 PR tree-optimization/26804
9071 * tree.h (DECL_CALL_CLOBBERED): New macro.
9072 (tree_decl_common): Add call_clobbered_flag.
9073 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
9074 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
9075 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
9076 (mark_non_addressable): Ditto.
9077 * tree-ssa.c (verify_call_clobbered): New function.
9078 (verify_alias_info): Use it.
9079 * tree-pass.h (pass_reset_cc_flags): New prototype.
9080 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
9081 (reset_cc_flags): New function.
9082 * passes.c (init_optimization_passes): Call reset_cc_flags after
9083 initializing referenced_vars.
9085 2006-03-25 Uros Bizjak <uros@kss-loka.si>
9086 Roger Sayle <roger@eyesopen.com>
9089 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
9090 to 1.0 for non-real operands. Implement A / A optimization for
9093 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
9095 * config/i386/i386.c (size_cost): Correct the comment for
9096 cost of storing fp registers.
9097 (i386_cost): Likewise.
9098 (i486_cost): Likewise.
9099 (pentium_cost): Likewise.
9100 (pentiumpro_cost): Likewise.
9101 (k6_cost): Likewise.
9102 (athlon_cost): Likewise.
9103 (k8_cost): Likewise.
9104 (pentium4_cost): Likewise.
9105 (nocona_cost): Likewise.
9106 (generic64_cost): Likewise.
9107 (generic32_cost): Likewise.
9109 2006-03-24 Denis Chertykov <denisc@overta.ru>
9111 * config/avr/avr-protos.h (extra_constraint): Delete.
9112 (extra_constraint_Q): New declaration.
9113 * config/avr/constraints.md: New file.
9114 * config/avr/avr.md: Include it.
9115 (REG_X, REG_Y, REG_Z, REG_W): New constants.
9116 (TMP_REGNO, ZERO_REGNO): Likewise.
9117 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
9118 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
9119 (extra_constraint): Delete.
9120 (extra_constraint_Q): Test for memory constraint 'Q'.
9121 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
9122 (REG_CLASS_FROM_LETTER): Delete.
9123 (CONST_OK_FOR_LETTER_P): Delete.
9124 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
9125 (EXTRA_CONSTRAINT): Delete.
9126 (TMP_REGNO): Delete.
9127 (ZERO_REGNO): Delete.
9129 2006-03-24 Jeff Law <law@redhat.com>
9131 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
9132 directly. Call mark_new_vars_to_rename slightly earlier.
9134 2006-03-24 Geoffrey Keating <geoffk@apple.com>
9136 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
9138 (gen_compile_unit_die): Use new language types for Objective-C and
9140 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
9141 DW_LANG_C_plus_plus.
9144 * config/t-darwin (crt3.o): Work around bug 26840.
9145 * config/darwin-crt3.c: Rewrite.
9146 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
9148 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
9150 * doc/invoke.texi: Document -femit-class-debug-always
9151 * common.opt: Add -femit-class-debug-always.
9153 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
9155 * config/s390/s390.c (s390_decompose_address): Allow SImode for
9156 index and base register.
9157 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
9158 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
9159 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
9160 REGNO_OK_FOR_INDEX_P.
9161 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
9163 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
9164 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
9165 REG_OK_FOR_BASE_P): Definitions removed.
9167 2006-03-24 Jakub Jelinek <jakub@redhat.com>
9170 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
9171 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
9172 set yet or weren't marked as local yet.
9174 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
9176 * regrename.c (scan_rtx_address): Initialize a variable to shut up
9179 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
9181 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
9182 (rs6000_legitimate_small_data_p): Delete.
9183 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
9184 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
9185 and make static. Add forward declaration. Update uses.
9186 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
9187 of offsettable_memref_p.
9188 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
9189 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
9191 2006-03-24 Jeff Law <law@redhat.com>
9193 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
9194 around bug in immediate-use iterator.
9196 2006-03-24 Alan Modra <amodra@bigpond.net.au>
9199 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
9200 or __LITTLE_ENDIAN__.
9202 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
9204 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
9205 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
9206 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
9207 * config/sh/sh.opt (mdiv=): Amend description.
9208 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
9209 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
9210 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
9211 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
9212 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
9213 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
9214 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
9215 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
9216 TARGET_DIVIDE_CALL_FP.
9218 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9220 * haifa-sched.c (choose_ready): Fix type of the local variable.
9221 Move local variables. Add comment.
9222 (check_reg_live): Change signature. Make callable from debugger.
9223 * sched-int.h (check_reg_live): Update signature.
9224 * sched-ebb.c (check_reg_live): Update parameters.
9225 * sched-rgn.c (check_reg_live): Ditto.
9226 (region_head_or_leaf_p): Check pointer before dereferencing.
9227 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
9228 before reload on optimization levels below 1.
9230 2006-03-23 Richard Henderson <rth@redhat.com>
9232 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
9236 * config/alpha/predicates.md (local_symbolic_operand): Reject
9239 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
9242 * tree-ssa-pre.c (create_value_expr_from): Don't reject
9243 expressions which have overflowed constants.
9245 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
9247 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
9249 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
9251 * cfgloopmanip.c (create_loop_notes): Removed.
9252 * final.c (final_scan_insn): Do not handle loop notes.
9253 * jump.c (squeeze_notes): Ditto.
9254 * cfglayout.c (skip_insns_after_block,
9255 duplicate_insn_chain): Ditto.
9256 * cfgcleanup.c (rest_of_handle_jump2): Do not call
9258 * cfgloop.h (create_loop_notes): Declaration removed.
9260 2006-03-23 Richard Sandiford <richard@codesourcery.com>
9262 * varasm.c (output_constant_pool): Restore fnname and fndecl
9264 (assemble_start_function): Adjust call accordingly.
9265 (assemble_end_function): Likewise.
9267 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9270 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
9273 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
9275 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9278 * system.h (ICE_EXIT_CODE): New macro.
9279 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
9280 (diagnostic_action_after_output): Likewise.
9281 * gcc.c (fatal_ice): New function.
9282 (execute): Use it instead of fatal.
9283 (fancy_abort): Likewise.
9284 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
9286 2006-03-22 Jeff Law <law@redhat.com>
9288 * loop-unroll.c (analyze_iv_to_split_insn): Handle
9289 iv_analyze_result returning false.
9291 2006-03-22 Jie Zhang <jie.zhang@analog.com>
9293 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
9295 2006-03-22 Richard Henderson <rth@redhat.com>
9298 * except.c (duplicate_eh_regions_0): New.
9299 (duplicate_eh_region_1): Duplicate the children of the node as
9300 well as the node itself. Link them up properly.
9301 (duplicate_eh_region_2): Merge into ...
9302 (duplicate_eh_regions): ... here. Take copy_region argument, and
9303 copy only a sub-tree if asked. Simplify copying and fixup.
9304 (eh_region_outer_p): New.
9305 * except.h (duplicate_eh_regions): Update decl.
9306 (eh_region_outer_p): Declare.
9307 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
9308 (lower_omp_master): Likewise.
9309 (lower_omp_ordered): Likewise.
9310 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
9311 (move_stmt_r): Use it to remap labels. Handle recursion vs
9312 remap_decls_p properly.
9313 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
9314 (find_outermost_region_in_block): New.
9315 (new_label_mapper): New.
9316 (move_sese_region_to_fn): Copy eh information to the new function
9318 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
9320 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
9323 2006-03-22 Richard Sandiford <richard@codesourcery.com>
9325 * doc/md.texi (-mshared): Mention that -mshared code can be linked
9326 into shared libraries.
9328 2006-03-22 Richard Sandiford <richard@codesourcery.com>
9330 * doc/md.texi: Refer to i386/constraints.md instead of
9332 * config/i386/constraints.md: New file, extracted from...
9333 * config/i386/predicates.md: ...here.
9334 * config/i386/i386.md: Include constraints.md.
9336 2006-03-21 Jason Merrill <jason@redhat.com>
9338 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
9341 * expr.c (init_block_move_fn): Force default visibility.
9342 (init_block_clear_fn): Likewise.
9343 * builtins.c (expand_builtin_fork_or_exec): Likewise.
9344 * targhooks.c (default_external_stack_protect_fail): Likewise.
9346 2006-03-21 Richard Sandiford <richard@codesourcery.com>
9348 * config/mips/predicates.md (const_call_insn_operand): Allow direct
9349 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
9350 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
9351 Use TARGET_OLDABI instead of !TARGET_NEWABI.
9352 (loadgp): Use mips_current_loadgp_style.
9353 (loadgp_noshared): New pattern.
9354 (sibcall_internal): Use MIPS_CALL.
9355 (sibcall_value_internal): Likewise.
9356 (sibcall_value_multiple_internal): Likewise.
9357 (call_internal): Likewise.
9358 (call_value_internal): Likewise.
9359 (call_value_multiple_internal): Likewise.
9360 (call_split): Use MIPS_CALL and add an 'S' constraint.
9361 (call_value_split): Likewise.
9362 (call_value_multiple_split): Likewise.
9363 * config/mips/mips.opt (-mabicalls): Tweak docstring.
9364 (-mshared): New option.
9365 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
9366 (mips_current_loadgp_style): Declare.
9367 * config/mips/mips.c (mips_classify_symbol): Avoid using
9368 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
9369 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
9370 TARGET_ABSOLUTE_ABICALLS.
9371 (override_options): Adjust comments. Improve the warning that is
9372 issued when -mabicalls and -G are used together.
9373 (mips_file_start): Remove comment.
9374 (mips_current_loadgp_style): New function.
9375 (mips_gnu_local_gp): New variable.
9376 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
9378 (mips_output_function_prologue): Use mips_current_laodgp_style.
9379 (mips_expand_prologue): Call mips_emit_loadgp before emitting
9380 the cprestore instruction.
9381 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
9382 live for TARGET_ABSOLUTE_ABICALLS.
9383 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
9384 (ASM_SPEC): Pass down -mshared and -mno-shared.
9385 (MIPS_CALL): New macro.
9386 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
9388 * doc/invoke.texi (-mabicalls): Update documentation.
9389 (-mshared): Document.
9391 2006-03-21 Steve Ellcey <sje@cup.hp.com>
9393 * config/ia64/unwind-hpux.c: New file.
9394 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
9396 2006-03-21 Steve Ellcey <sje@cup.hp.com>
9399 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
9401 2006-03-21 Jeff Law <law@redhat.com>
9403 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
9404 type conversions of a VR_VARYING source to a wider type.
9406 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
9408 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
9409 tm_file on Solaris 10 and later.
9410 (sparc64-*-solaris2*): Likewise.
9411 (sparc-*-solaris2*): Likewise.
9412 * config/sol26.h: Rename to config/sol2-6.h.
9413 * config/sol2-10.h: New file.
9415 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
9418 * tree-ssa-pre.c (create_component_ref_by_pieces):
9421 2006-03-21 Jakub Jelinek <jakub@redhat.com>
9424 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
9425 return it immediately.
9427 2006-03-21 Michael Matz <matz@suse.de>
9429 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
9431 (remove_arc, add_arc): Update num_out_arcs member.
9432 (set_out_arc_insns_equiv_num): Returns nothing instead of number
9434 (cache_presence): New function.
9435 (compare_states_for_equiv): New function.
9436 (state_is_differed): Don't take number of outargs, adjust callers.
9437 Use new invariant for speeding up.
9438 (init_equiv_class): Create initial classes based on sorted
9440 (partition_equiv_class): Don't track out_arcs_num.
9441 (evaluate_equiv_classes): Call cache_presence on all states and
9444 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
9446 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
9447 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
9448 (bfin_valid_reg_p): Test for pseudos explicitly and use only
9449 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
9451 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
9452 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
9453 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
9454 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
9455 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
9457 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
9458 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
9459 (REGNO_REG_CLASS): ARGP is in PREGS.
9460 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
9462 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
9463 to deal with those addresses.
9464 * addresses.h: New file.
9465 * caller-save.c: Include "addresses.h".
9466 (init_caller_save): Use new base_reg_class function.
9467 * rtl-factoring.c: Include "addresses.h".
9468 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
9469 * recog.c: Include "addresses.h".
9470 (preprocess_constraints): Use new base_reg_class function.
9471 * regrename.c: Include "addresses.h".
9472 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
9473 functions. Keep track of a new var INDEX_CODE to compute valid
9475 (replace_oldest_value_addr): Likewise.
9476 (replace_oldest_value_mem): Use base_reg_class.
9477 * reload.c: Include "addresses.h".
9478 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
9479 (find_reloads): Use new base_reg_class function.
9480 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
9481 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
9482 all callers and prototype changed.
9483 * reload1.c: Include "addresses.h".
9484 (maybe_fix_stack_asms): Use base_reg_class.
9485 * regclass.c: Include "addresses.h".
9486 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
9487 (init_reg_autoinc): Use new base_reg_class function.
9488 (record_reg_classes): Likewise.
9489 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
9490 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
9491 Use new args to compute necessary class.
9493 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
9494 regrename.o, rtl-factoring.o): Update dependencies.
9495 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
9496 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
9497 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
9498 REG_OK_FOR_INDEX_P): Delete documentation.
9500 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
9502 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
9503 from V7 to V9 for Solaris 7 and above.
9505 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
9507 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
9508 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
9509 argument pointers may not alias any other storage.
9510 * common.opt: Define option -fargument-noalias-anything.
9511 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
9512 alias semantics is specified by flag_argument_noalias > 2.
9514 2006-03-20 Jeff Law <law@redhat.com>
9516 * tree-pass.h (pass_phi_only_copy_prop): Delete.
9517 (pass_phi_only_cprop): Declare.
9518 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
9520 * tree-ssa-dom.c (degenerate_phi_result): New function.
9521 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
9522 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
9523 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
9524 (eliminate_degenerate_phis): Likewise.
9525 (pass_phi_only_cprop): New pass descriptor.
9526 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
9527 support code. Callers updated.
9528 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
9529 (store_copy_prop): Likewise.
9530 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
9532 2006-03-20 Jason Merrill <jason@redhat.com>
9535 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
9536 (push_visibility, pop_visibility): Likewise.
9537 * c-pragma.h: Declare them.
9539 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
9541 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
9543 * config/sh/sh.c (find_regmode_weight): Change the type of the first
9544 parameter and use get_ebb_head_tail.
9545 (sh_md_init_global): Adjust uses of find_regmode_weight.
9547 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
9549 * function.h (struct function) <x_tail_recursion_reentry>:
9550 Rename to x_stack_check_probe_note.
9551 (tail_recursion_reentry): Rename to stack_check_probe_note.
9552 * function.c: Replace tail_recursion_reentry with
9553 stack_check_probe_note everywhere.
9554 (expand_function_start): Only emit a note for
9555 stack_check_probe_note with -fstack-protect.
9556 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
9558 * emit-rtl.c (remove_unnecessary_notes): Remove.
9559 (pass_remove_unnecessary_notes): Remove.
9560 * rtl.h (remove_unnecessary_notes): Remove prototype.
9561 * final.c (final_start_function): Don't call remove_unnecessary_notes.
9562 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
9563 * passes.c (pass_remove_unnecessary_notes): Don't run it.
9565 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
9568 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
9569 (valid_in_set): Handle ARRAY_REF.
9570 Change "if min_variant or VH" to asserts.
9571 (create_component_ref_by_pieces): Handle ARRAY_REF.
9572 (create_expression_by_pieces): Likewise.
9573 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
9575 2006-03-20 David Edelsohn <edelsohn@gnu.org>
9577 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
9578 is operand of switch, not str[0].
9580 2006-03-20 Alan Modra <amodra@bigpond.net.au>
9582 * config/rs6000/rs6000.c (rs6000_handle_option): Use
9583 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
9585 2006-03-19 David Edelsohn <edelsohn@gnu.org>
9587 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
9588 end of insn_extra_address_constraint declaration.
9590 2006-03-19 David Edelsohn <edelsohn@gnu.org>
9592 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
9593 (no-sum-in-toc): Same.
9594 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
9596 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
9597 NO_FP_IN_TOC for -fPIC instead of mask.
9599 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
9600 (BOOT_LDFLAGS): Delete.
9602 * config/rs6000/t-aix52: Same.
9604 * config/rs6000/rs6000.md (store_multiple_power): Delete.
9605 (stmsi[345678]_power): New.
9607 2006-03-17 Steve Ellcey <sje@cup.hp.com>
9609 * config/ia64/ia64.opt: Add empty line to end of file.
9611 2006-03-17 Richard Guenther <rguenther@suse.de>
9614 * builtins.c (get_pointer_alignment): For component style references
9615 adjust alignment to the component type alignment. Make sure
9616 to adjust alignment for component access of constants.
9618 2006-03-17 David Edelsohn <edelsohn@gnu.org>
9620 * config/rs6000/rs6000.md (strlensi): Emit barrier after
9623 2006-03-17 Paul Brook <paul@codesourcery.com>
9625 * doc/install.texi: Docuemnt --with-mode.
9626 * config.gcc: Add --with-mode for arm*-*-*.
9627 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
9629 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
9631 * sh.c (max_labelno_before_reorg): New variable.
9632 (sh_reorg): Initialize it.
9633 (find_barrier): Check max_labelno_before_reorg before using
9634 label_to_alignment. Take length of explicit alignment insns
9635 into account. When seeing a UNSPECV_CONST_END, return it.
9637 * sh.c (fixup_mova): Set mode of affected label to QImode.
9638 (untangle_mova): New function.
9639 (find_barrier): Use it. Check mode of label before decrementing
9641 (sh_reorg): Likewise.
9642 Set mode of all insns back to VOIDmode.
9644 * sh.c (MOVA_LABELREF): New macro.
9645 (mova_p, fixup_mova, sh_reorg): Use it.
9646 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
9647 ADDR_DIFF_VEC matches mova.
9649 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
9651 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
9652 with ATTRIBUTE_UNUSED.
9654 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
9656 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
9657 pointer, instead of assuming it is possible to derive the
9658 correct args size from a call insn.
9660 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
9662 * rtl.h (CONST_INT_P): Define.
9663 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
9664 instead of GET_CODE(x) == CONST_INT.
9665 (vax_rtx_costs): Likewise.
9666 (vax_output_int_move): Likewise.
9667 (vax_output_int_add): Likewise.
9668 (legitimate_constant_address_p): Likewise.
9669 (index_term_p): Likewise.
9670 * config/vax/vax.h (PRINT_OPERAND): Likewise.
9671 * config/vax/vax.md (and<mode>3): Likewise.
9672 (ashrsi3): Likewise.
9674 (movstricthi): Likewise.
9675 (movstrictqi): Likewise.
9676 (rotrsi3): Likewise.
9677 (five unnamed insns): Likewise.
9679 2006-03-16 Geoffrey Keating <geoffk@apple.com>
9681 * doc/tm.texi (SDB and DWARF): Add extra parameter to
9682 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
9683 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
9684 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
9685 Pass to ASM_OUTPUT_DWARF_OFFSET.
9686 * dwarf2out.c (debug_frame_section): New.
9687 (output_call_frame_info): Use debug_frame_section. Pass it to
9688 dw2_asm_output_offset.
9689 (output_die): Pass appropriate section to dw2_asm_output_offset.
9690 (output_compilation_unit_header): Likewise.
9691 (output_pubnames): Likewise.
9692 (output_aranges): Likewise.
9693 (enum dw_val_class): Break dw_val_class_lbl_offset into
9694 dw_val_class_lineptr and dw_val_class_macptr.
9695 (add_AT_lbl_offset): Delete.
9696 (add_AT_lineptr): New.
9697 (add_AT_macptr): New.
9698 (AT_lbl): Expect a lineptr or macptr.
9699 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
9700 (attr_checksum): Likewise.
9701 (same_dw_val_p): Likewise.
9702 (size_of_die): Likewise.
9703 (value_format): Likewise.
9704 (output_die): Likewise.
9705 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
9707 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
9708 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
9709 * config/darwin-protos.h (darwin_file_start): New.
9710 (darwin_asm_output_dwarf_offset): New.
9711 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
9712 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
9714 * config/darwin.c (darwin_emit_unwind_label): Don't output label
9715 if not EH section; simplify.
9716 (darwin_file_start): New.
9717 (darwin_asm_output_dwarf_offset): New.
9718 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
9720 (DEBUG_INFO_SECTION): Likewise.
9721 (DEBUG_ABBREV_SECTION): Likewise.
9722 (DEBUG_ARANGES_SECTION): Likewise.
9723 (DEBUG_MACINFO_SECTION): Likewise.
9724 (DEBUG_LINE_SECTION): Likewise.
9725 (DEBUG_LOC_SECTION): Likewise.
9726 (DEBUG_PUBNAMES_SECTION): Likewise.
9727 (DEBUG_STR_SECTION): Likewise.
9728 (DEBUG_RANGES_SECTION): Likewise.
9729 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
9730 (ASM_OUTPUT_DWARF_OFFSET): New.
9732 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
9734 * config.gcc (tm_defines): Always add to previous value rather
9737 2006-03-16 Richard Sandiford <richard@codesourcery.com>
9739 * config/mips/predicates.md (splittable_const_int_operand): New,
9740 split from move_operand.
9741 (splittable_symbolic_operand): New.
9742 (move_operand): Add commentary. Use splittable_const_int_operand.
9743 Inline mips_atomic_symbolic_constant_p.
9744 * config/mips/mips.md: Add combine splitters for handling moves
9745 of splittable_const_int_operands and splittable_symbolic_operands.
9746 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
9747 (mips_split_symbol): Declare.
9748 (mips_move_integer): Declare.
9749 * config/mips/mips.c (mips_split_p): Make global.
9750 (TARGET_MIN_ANCHOR_OFFSET): Override default.
9751 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
9752 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
9753 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
9754 (mips_offset_within_object_p): Handle block symbols.
9755 (mips_atomic_symbolic_constant_p): Delete.
9756 (mips_cannot_force_const_mem): Return false for constants that
9757 mips_legitimize_move can handle.
9758 (mips_use_blocks_for_constant_p): New function.
9759 (mips_split_symbol): Make global.
9760 (mips_move_integer): Likewise. Add a temporary register argument.
9761 (mips_legitimize_const_move): Use splittable_const_int_operand and
9762 splittable_symbolic_operand.
9763 (mips_use_anchors_for_symbol_p): New function.
9764 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
9765 (mips_split_p): Declare.
9767 2006-03-16 Richard Sandiford <richard@codesourcery.com>
9769 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
9770 (mips*-*-linux*): Likewise.
9772 2006-03-16 Roger Sayle <roger@eyesopen.com>
9773 Daniel Speyer <dspeyer@wam.umd.edu>
9776 * tree-dump.c (dump_real): New function.
9777 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
9778 * Makefile.in (REAL_H): New macro for dependencies on real.h.
9779 (tree-dump.o): Add $(REAL_H) to the dependencies.
9781 2006-03-16 Roger Sayle <roger@eyesopen.com>
9784 * real.c (real_from_string): If the mantissa is zero, don't bother
9785 parsing the exponent as the result should always be zero.
9787 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
9789 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
9791 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9793 * config/ia64/ia64.c (stops_p): Added explicit initialization.
9794 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
9795 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
9796 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
9797 ia64_sched_finish_global): New static functions to implement
9798 hooks from gcc_target.sched.
9799 (spec_check_no, max_uid, pending_data_specs): New static variables.
9800 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
9801 ia64_spec_check_src_p): New static functions.
9802 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
9803 (TARGET_SCHED_ADJUST_COST): Removed.
9804 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
9805 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
9806 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
9807 TARGET_SCHED_GEN_CHECK,
9808 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9809 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
9810 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
9811 Fixed to handle speculation checks.
9812 (rtx_needs_barrier): Fixed to handle speculative loads and
9814 (ia64_variable_issue): Added code to count speculative loads and their
9816 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
9818 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
9820 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
9822 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
9823 (ia64_reorg): Reset stops_p to NULL after it is freed.
9824 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
9825 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
9826 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
9828 (data_speculative, control_speculative, check_load): New attributes.
9829 (mov<mode>_advanced, mov<mode>_speculative,
9830 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
9831 zero_extend<mode>di2_speculative,
9832 zero_extend<mode>di2_speculative_advanced): New patterns for
9833 data and control speculative loads.
9834 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
9836 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
9837 New pattern for data and control speculation checks.
9838 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
9839 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
9840 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
9841 Auxiliary definitions for the patterns.
9842 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
9843 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
9845 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
9847 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
9848 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
9849 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
9850 New resource constraints.
9851 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
9853 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
9854 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
9855 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
9856 msched-in-control-spec, msched-ldc, msched-control-ldc,
9857 msched-spec-verbose, msched-prefer-non-data-spec-insns,
9858 msched-prefer-non-control-spec-insns,
9859 msched-count-spec-in-critical-path): New flags to tune speculative
9861 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
9862 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
9863 msched-in-control-spec, msched-ldc, msched-control-ldc,
9864 msched-spec-verbose, msched-prefer-non-data-spec-insns,
9865 msched-prefer-non-control-spec-insns,
9866 msched-count-spec-in-critical-path): Document new flags.
9868 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9870 * target.h (struct spec_info_def): New opaque declaration.
9871 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
9872 speculate_insn, needs_block_p, gen_check,
9873 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
9874 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
9875 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
9876 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
9877 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9878 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
9880 (TARGET_SCHED): Use new macros.
9881 * rtl.h (copy_DEPS_LIST_list): New prototype.
9882 * sched-int.h (struct sched_info): Change signature of new_ready field,
9883 adjust all initializations. New fields: add_remove_insn,
9884 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
9885 region_head_or_leaf_p.
9886 (struct spec_info_def): New structure declaration.
9887 (spec_info_t): New typedef.
9888 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
9889 recovery_block, orig_pat.
9890 (glat_start, glat_end): New variables declaraions.
9891 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
9893 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
9894 DETACH_LIFE_INFO, USE_GLAT.
9895 (enum SPEC_SCHED_FLAGS): New enumeration.
9896 (NOTE_NOTE_BB_P): New macro.
9897 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
9898 attach_life_info, debug_spec_status, check_reg_live): New functions.
9899 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
9900 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
9902 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
9903 * ddg.c (get_block_head_tail): Adjust all uses.
9904 * modulo-sched.c (get_block_head_tail): Adjust all uses.
9905 (sms_sched_info): Initialize new fields.
9906 (contributes_to_priority): Removed.
9907 * haifa-sched.c (params.h): New include.
9908 (get_block_head_tail): Adjust all uses.
9909 (ISSUE_POINTS): New macro.
9910 (glat_start, glat_end): New global variables.
9911 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
9912 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
9913 old_last_basic_block, before_recovery, current_sched_info_var,
9914 rgn_n_insns, luid): New static variables.
9915 (insn_cost1): New function. Move logic from insn_cost to here.
9916 (find_insn_reg_weight1): New function. Move logic from
9917 find_insn_reg_weight to here.
9918 (reemit_notes, move_insn, max_issue): Change signature.
9919 (move_insn1): Removed.
9920 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
9921 extend_bb): New static functions to support extension of scheduler's
9923 (generate_recovery_code, process_insn_depend_be_in_spec,
9924 begin_speculative_block, add_to_speculative_block,
9925 init_before_recovery, create_recovery_block, create_check_block_twin,
9926 fix_recovery_deps): New static functions to support
9927 generation of recovery code.
9928 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
9929 restore_bb_notes, move_block_after_check, move_succs): New static
9930 functions to support ebb scheduling.
9931 (init_glat, init_glat1, attach_life_info1, free_glat): New static
9932 functions to support handling of register live information.
9933 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
9934 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
9935 add_jump_dependencies): New static functions.
9936 (check_cfg, has_edge_p, check_sched_flags): New static functions for
9937 consistancy checking.
9938 (debug_spec_status): New function to call from debugger.
9939 (priority): Added code to handle speculation checks.
9940 (rank_for_schedule): Added code to distinguish speculative instructions.
9941 (schedule_insn): Added code to handle speculation checks.
9942 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
9943 Fixed to handle ebbs.
9944 (move_insn): Added code to handle ebb scheduling.
9945 (max_issue): Added code to use ISSUE_POINTS of instructions.
9946 (choose_ready): Added code to choose between speculative and
9947 non-speculative instructions.
9948 (schedule_block): Added code to handle ebb scheduling and scheduling of
9949 speculative instructions.
9950 (sched_init): Initialize new variables.
9951 (sched_finish): Free new variables. Print statistics.
9952 (try_ready): Added code to handle speculative instructions.
9953 * lists.c (copy_DEPS_LIST_list): New function.
9954 * sched-deps.c (extend_dependency_caches): New function. Move logic
9955 from create_dependency_caches to here.
9956 (get_dep_weak, ds_merge): Make global.
9957 * genattr.c (main): Code to output prototype for
9958 dfa_clear_single_insn_cache.
9959 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
9960 (output_dfa_clean_insn_cache_func): Code to output
9961 dfa_clear_single_insn_cache function.
9962 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
9964 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
9966 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
9967 New static variables.
9968 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
9969 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
9971 (ebb_sched_info): Initialize new fields.
9972 (get_block_head_tail): Adjust all uses.
9973 (compute_jump_reg_dependencies): Fixed to use glat_start.
9974 (schedule_ebb): Code to remove unreachable last block.
9975 (schedule_ebbs): Added code to update register live information.
9976 * sched-rgn.c (region_sched_info): Initialize new fields.
9977 (get_block_head_tail): Adjust all uses.
9978 (last_was_jump): Removed. Adjust users.
9979 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
9980 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
9981 Implement new hooks.
9982 (check_dead_notes1): New static function.
9983 (struct region): New fields: dont_calc_deps, has_real_ebb.
9984 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
9985 (BB_TO_BLOCK): Fixed to handle EBBs.
9986 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
9987 (ebb_head): New static variable.
9988 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
9989 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
9991 (compute_dom_prob_ps): New assertion.
9992 (check_live_1, update_live_1): Fixed to work with glat_start instead of
9993 global_live_at_start.
9994 (init_ready_list): New assertions.
9995 (can_schedule_ready_p): Split update code to begin_schedule_ready.
9996 (new_ready): Add support for BEGIN_CONTROL speculation.
9997 (schedule_insns): Fixed code that updates register live information
9999 (schedule_region): Fixed to handle EBBs.
10000 (init_regions): Use extend_regions and check_dead_notes1.
10001 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
10002 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
10003 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
10004 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
10005 TARGET_SCHED_GEN_CHECK,
10006 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
10007 TARGET_SCHED_SET_SCHED_FLAGS): Document.
10008 * doc/invoke.texi (max-sched-insn-conflict-delay,
10009 sched-spec-prob-cutoff): Document.
10011 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10013 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
10014 inter_tick, queue_index.
10015 (struct sched_info): Change signature of init_ready_list field.
10016 Adjust all initializations.
10017 (RESOLVED_DEPS): New access macro.
10018 (ready_add): Remove prototype.
10019 (try_ready): Add prototype.
10020 * sched-rgn.c (init_ready_list): Use try_ready.
10021 (schedule_region): Initialize
10022 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
10023 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
10024 (init_ready_list): Use try_ready.
10025 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
10026 * lists.c (remove_list_elem): Remove `static'.
10027 (remove_free_INSN_LIST_elem): New function.
10028 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
10029 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
10030 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
10032 (readyp): New variable.
10033 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
10034 change_queue_index, resolve_dep): New static functions.
10035 (try_ready): New function. Adjust callers in sched-rgn.c and
10036 sched-ebb.c to use it instead of ready_add.
10037 (clock_var): Move at the begining of file.
10038 (rank_for_schedule): Fix typo.
10039 (queue_insn): Add assertion. Handle QUEUE_INDEX.
10040 (ready_lastpos): Enforce assertion.
10041 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
10042 update all callers.
10043 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
10044 (schedule_insn): Rewrite to use try_ready and resolve_dep.
10045 (queue_to_ready): Use free_INSN_LIST_list.
10046 (early_queue_to_ready): Fix typo.
10047 (schedule_block): Init readyp. Move init_ready_list call after the
10048 initialization of clock_var. Fix error in rejecting insn by
10049 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
10050 that previously corrected INSN_TICKs. Add code for handling
10052 (set_priorities): Fix typo.
10053 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
10054 Clarify comment and code that keeps current_sched_info->next_tail
10057 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10059 * sched-rgn.c (extend_rgns): New static function.
10060 (find_rgns): Use it.
10061 (gather_region_statistics, print_region_statistics): New static
10063 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
10064 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
10066 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10067 Andrey Belevantsev <abel@ispras.ru>
10069 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
10070 * lists.c (unused_deps_list): New variable.
10071 (free_list): Add assertions to verify the proper distinguishing
10072 between INSN_LISTs and DEPS_LISTs.
10073 (find_list_elem, remove_list_elem, remove_list_node): New static
10075 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
10076 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
10077 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
10078 (alloc_INSN_LIST): Assert that the list we're working on is indeed
10080 (free_INSN_LIST_node): Likewise.
10081 * modulo-sched.c (current_sched_info): Initialize flags field.
10082 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
10083 * rtl.def (DEPS_LIST): Define.
10084 * rtl.h: Declare new functions from lists.c.
10085 * sched-deps.c (spec_dependency_cache): New static variable.
10086 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
10087 (add_dependence): Change return type to void. Move the logic to ...
10088 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
10089 (delete_all_dependences): Add comment about forward_dependency_cache.
10090 Handle spec_dependency_cache. Handle DEPS_LISTs.
10091 (fixup_sched_groups): Clarify the change of priority of output
10092 and anti dependencies.
10093 (sched_analyze_2): Adjust add_dependence calls to create data
10094 speculative dependence.
10095 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
10096 Adjust all callers. Handle DEPS_LISTS.
10097 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
10098 presence of speculation.
10099 (init_dependency_caches, free_dependency_caches):
10100 Handle spec_dependency_cache.
10101 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
10102 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
10103 New static functions.
10104 (add_or_update_back_dep, add_or_update_back_forw_dep,
10105 add_back_forw_dep, delete_back_forw_dep): New functions.
10106 * sched-int.h (ds_t, dw_t): New typedefs.
10107 (struct sched_info): Add new field flags.
10108 (struct haifa_insn_data): Add new bitfield has_internal_dep.
10109 Prototype new sched-deps.c functions.
10110 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
10111 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
10112 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
10113 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
10114 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
10115 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
10117 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
10119 * sched-rgn.c (current_sched_info): Initialize flags field.
10120 (schedule_insns): Initialize current_sched_info before the sched_init
10122 * sched-ebb.c (current_sched_info): Initialize flags field.
10123 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
10124 Call add_or_update_back_dep instead of add_dependence.
10125 Create control speculative dependencies.
10126 (schedule_insns): Initialize current_sched_info before the sched_init
10129 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
10131 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
10133 (sh_fallback_frame_state): Likewise.
10135 2006-03-15 Geoffrey Keating <geoffk@apple.com>
10137 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
10138 Do switch on default_use_cxa_atexit.
10139 (powerpc*-*-darwin*): Build crt2.o on powerpc.
10140 * config/darwin-crt3.o: New.
10141 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
10142 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
10143 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
10145 * config/rs6000/t-darwin: Move crt2.o building to here.
10146 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
10147 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
10150 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
10152 * config/vax/vax.c (nonindexed_address_p): Change logical negation
10153 from '! xxx' to '!xxx' for coding-style conformance.
10154 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
10155 (EXTRA_CONSTRAINT): Likewise.
10156 * config/vax/vax.md (four unnamed insns): Likewise.
10158 2006-03-15 Paul Brook <paul@codesourcery.com>
10160 * config/arm/arm.c (minipool_pad): New.
10161 (add_minipool_forward_ref): Include pool alignment padding in address
10163 (push_minipool_fix): Set minipool_pad.
10164 (minipool_pad): Ditto.
10166 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
10168 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
10169 instead of GET_CODE() == MEM and REG_P() instead of
10171 (print_operand_address): Likewise.
10172 (vax_address_cost): Likewise.
10173 (vax_rtx_costs): Likewise.
10174 (vax_notice_update_cc): Likewise.
10175 (vax_output_int_add): Likewise.
10176 (INDEX_REGISTER_P): Likewise.
10177 (BASE_REGISTER_P): Likewise.
10178 (nonindexed_address_p): Likewise.
10179 (vax_mode_dependent_address_p): Likewise.
10180 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
10181 (PRINT_OPERAND): Likewise.
10182 * config/vax/vax.md (ashlsi3): Likewise.
10183 (ashlsi3): Likewise.
10184 (some more unnamed insns): Likewise.
10186 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
10188 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
10189 iterator-style macro.
10190 (mark_control_dependent_edges_necessary): Update the use of
10191 EXECUTE_IF_CONTROL_DEPENDENT.
10193 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
10195 * config/sh/predicates.md (cache_address_operand): Special.
10196 (ua_address_operand): Likewise.
10198 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
10200 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
10202 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
10204 2006-03-15 Andreas Schwab <schwab@suse.de>
10206 * gensupport.c (identify_predicable_attribute): Don't free p_false
10207 when it is still in use.
10209 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
10211 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
10212 the default setting here.
10214 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
10216 * tree-pass.h (pass_cfg): Remove.
10217 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
10218 * passes.c (pass_cfg): Don't run it.
10220 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
10222 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
10223 * reg-stack.c (stack_regs_mentioned_data): Change the type to
10225 (stack_regs_mentioned): Update the uses of
10226 stack_regs_mentioned_data. Don't access the array beyond its
10228 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
10229 Don't include gt-reg-stack.h.
10231 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
10232 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
10234 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
10236 PR middle-end/26684
10237 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
10240 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10242 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
10244 2006-03-14 Richard Guenther <rguenther@suse.de>
10246 PR tree-optimization/26672
10247 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
10250 2006-03-14 Richard Guenther <rguenther@suse.de>
10252 PR tree-optimization/26667
10253 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
10254 node for the callees. Always allow inlining if it will shrink
10257 2006-03-14 Richard Guenther <rguenther@suse.de>
10259 PR middle-end/26659
10260 * builtins.c (get_pointer_alignment): Prefer alignment
10261 information from decls over that from types.
10263 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
10266 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
10268 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
10270 * config/rs6000/rs6000.opt (mdlmzb): New option.
10271 (msched-prolog, msched-epilog): Use Var not Mask.
10272 * doc/invoke.texi (-mdlmzb): Document.
10273 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
10275 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
10276 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
10278 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
10280 PR rtl-optimization/25739
10281 * bt-load.c (augment_live_range): Free tos pointer.
10283 * gensupport.c (identify_predicable_attribute): Free
10285 * gcov.c (create_file_names): Free name pointer.
10287 2006-03-13 Roger Sayle <roger@eyesopen.com>
10289 PR middle-end/26557
10290 * stmt.c (emit_case_nodes): Handle the case where the index is a
10291 CONST_INT, where the comparison mode is specified by the index type.
10293 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10295 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
10298 2006-03-13 Richard Sandiford <richard@codesourcery.com>
10300 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
10301 (*branch_fp_inverted): Likewise.
10303 2006-03-13 Jakub Jelinek <jakub@redhat.com>
10305 PR middle-end/25989
10306 * omp-low.c (expand_omp_for_generic): Mark istart0
10307 and iend0 as addressable.
10309 2006-03-13 Jie Zhang <jie.zhang@analog.com>
10311 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
10313 2006-03-13 Jeff Law <law@redhat.com>
10315 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
10316 virtual operands are interesting.
10317 (vrp_visit_stmt): Corresponding changes.
10319 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
10321 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
10323 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
10324 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
10325 * config/bfin/crti.S: Use it instead of __PIC__.
10326 * config/bfin/crtn.S: Likewise.
10328 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
10329 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
10331 Lose 'G' modifier for call operand.
10332 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
10333 recognize 'G' modifier.
10335 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
10337 PR middle-end/18859
10338 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
10339 * stmt.c (expand_case): Likewise.
10341 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10343 PR rtl-optimization/26254
10344 * loop-invariant.c (seq_insns_valid_p): New function.
10345 (move_invariant_reg): Only emit new code if it is valid.
10347 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10349 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
10351 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
10352 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
10353 (commit_one_edge_insertion): Do not look for loop notes.
10355 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10357 * jump.c (follow_jumps): Do not check for loop notes. Move check for
10358 flag_test_coverage out of loop.
10360 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10362 * final.c (shorten_branches): Remove outdated comment, and turn
10363 the if branch that guards it to continue.
10365 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10367 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
10368 * cfgloop.h (struct loop): Remove unused fields.
10370 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
10372 * doc/invoke.texi (-fdump-rtl-loop): Remove.
10373 (-dL, -fdump-rtl-loop2): Update the dump file names
10375 * doc/invoke.texi: Update dump file names.
10377 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
10379 * predict.c (estimate_probability): Remove.
10380 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
10381 * basic-block.h (estimate_probability): Remove prototype.
10382 * passes.c (finish_optimization_passes): Dump branch prediction or
10383 profiling heuristics to the .profile tree dump.
10384 (init_optimization_passes): Unqueue pass_branch_prob.
10386 * doc/invoke.texi (-fdump-rtl-bp): Remove.
10388 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
10390 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
10391 * rtl.h (LABEL_NEXTREF): Remove field accessor.
10393 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
10395 * function.h (frame_offset_overflow): Declare.
10396 * function.c (frame_offset_overflow): New function.
10397 (assign_stack_local_1): Call it to detect that the offset overflows.
10398 * cfgexpand.c (alloc_stack_frame_space): Likewise.
10400 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
10402 * config/sh/sh.c: Include alloc-pool.h.
10403 (label_ref_list_pool): New alloc pool.
10404 (label_ref_list_t): New type for lists of labels.
10405 (struct pool_node): Make wend a label_ref_list_t.
10406 (add_constant): Use the new type, eradicate LABEL_NEXTREF
10408 (dump_table): Likewise.
10409 (sh_reorg): Set up the alloc pool before using add_constant and
10410 dump_table, and destroy it when finishing.
10412 2006-03-11 Richard Sandiford <richard@codesourcery.com>
10414 * config/mips/mips.c: Remove redundant comment.
10416 2006-03-10 Jason Merrill <jason@redhat.com>
10419 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
10420 the target was declared 'register'.
10422 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
10424 * genpreds.c (write_insn_constraint_len): Change definition of
10425 insn_constraint_len to return size_t to match the declaration.
10427 2006-03-10 DJ Delorie <dj@redhat.com>
10429 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
10431 (m32c_expand_insv): Fix test for an AND mask.
10433 2006-03-10 Richard Guenther <rguenther@suse.de>
10435 PR middle-end/26565
10436 * builtins.c (get_pointer_alignment): Handle component
10437 references for field alignment.
10439 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
10441 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
10442 when building with libgloss.
10443 (sh*elf): Implement --without-fp option.
10444 (sh64-superh-linux*): Don't multilib.
10446 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
10448 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
10450 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
10452 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
10453 Set it when one of the replacement functions returned true.
10454 Return TODO_cleanup_cfg if cfgchanged is true.
10455 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
10457 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
10459 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
10460 instead of gen_lowpart.
10462 2006-03-09 Richard Sandiford <richard@codesourcery.com>
10464 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
10466 (mips_output_order_conditional_branch): Declare.
10467 * config/mips/mips.h (MIPS_BRANCH): New macro.
10468 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
10469 for the comparison. Use gen_condjump.
10470 (mips_output_conditional_branch): Rework interface to take the
10471 asm templates for a direct branch and the inverse of a direct branch.
10472 (mips_output_order_conditional_branch): New function.
10473 (mips_builtin_branch_and_move): New function.
10474 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
10475 branch condition. Use gen_single_cc as the condition for
10476 __builtin_mips_upper_* or __builtin_mips_lower_*.
10477 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
10478 Use VOIDmode for the branch condition.
10479 * config/mips/predicates.md (order_operator): New predicate.
10480 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
10481 (branch_fp): Rename to...
10482 (*branch_fp): ...this. Remove mode from comparison operator.
10483 Use new mips_output_conditional_branch interface.
10484 (branch_fp_inverted): Rename to...
10485 (*branch_fp_inverted): ...this and update as for *branch_fp.
10486 (*branch_zero<mode>): Rename to...
10487 (*branch_order<mode>): ...this. Remove mode from comparison operator.
10488 Use mips_output_order_conditional_branch. Only accept ordered
10490 (*branch_zero<mode>_inverted): Rename to...
10491 (*branch_order<mode>_inverted): ...this and update as for
10492 *branch_order<mode>.
10493 (*branch_equality<mode>): Accept zero as the second operand to
10494 the equality operator. Use the new mips_output_conditional_branch
10496 (*branch_equality<mode>_inverted): Likewise.
10497 (condjump): New expander.
10498 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
10500 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
10501 (bc1any2t, bc1any2f): Likewise.
10502 (single_cc): New expander.
10503 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
10505 2006-03-09 Richard Sandiford <richard@codesourcery.com>
10507 * doc/md.texi: Update documentation of MIPS constraints.
10508 * config/mips/constraints.md: New file.
10509 * config/mips/mips.md: Include it.
10510 * config/mips/mips.c (mips_char_to_class): Delete.
10511 (override_options): Don't initialize mips_char_to_class.
10512 * config/mips/mips.h (mips_char_to_class): Delete.
10513 (REG_CLASS_FROM_LETTER): Delete.
10514 (CONST_OK_FOR_LETTER_P): Delete.
10515 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
10516 (EXTRA_CONSTRAINT_Y): Delete.
10517 (EXTRA_CONSTRAINT_STR): Delete.
10518 (CONSTRAINT_LEN): Delete.
10519 (EXTRA_MEMORY_CONSTRAINT): Delete.
10521 2006-03-09 Diego Novillo <dnovillo@redhat.com>
10523 * tree-cfg.c (move_block_to_fn): Remove the statements from the
10524 original fn's eh regions.
10526 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
10528 * fold-const.c (build_range_check): Make sure to use a valid type to
10529 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
10532 (range_predecessor): New static function.
10533 (range_successor): Likewise.
10534 (merge_ranges): Use them to compute predecessors and successors of
10537 2006-03-09 Roger Sayle <roger@eyesopen.com>
10539 PR middle-end/26561
10540 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
10541 X op C3, consider whether C3 overflows towards +Inf or -Inf.
10543 2006-03-08 DJ Delorie <dj@redhat.com>
10545 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
10546 (addpsi3): Expand to include memory operands. Remove
10547 reload-specific splits.
10548 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
10549 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
10550 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
10551 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
10552 (shift1_qi, shift1_hi, insv): New.
10553 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
10554 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
10555 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
10557 * config/m32c/m32c-protos.h: Update as needed.
10558 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
10559 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
10560 Fail for unrecognized R* constraints.
10561 (m32c_cannot_change_mode_class): Be more picky about pseudos.
10562 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
10563 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
10565 (m32c_init_libfuncs): New.
10566 (m32c_legitimate_address_p): Add debug wrapper.
10567 (m32c_rtx_costs): New.
10568 (m32c_address_cost): New.
10569 (conversions): Add 'B' prefix.
10570 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
10571 operands, or word regnames for QI operands. 'B' prints bit
10573 (m32c_expand_setmemhi): New.
10574 (m32c_expand_movmemhi): New.
10575 (m32c_expand_movstr): New.
10576 (m32c_expand_cmpstr): New.
10577 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
10578 (m32c_expand_neg_mulpsi3): Handle non-ints.
10579 (m32c_cmp_flg_0): New.
10580 (m32c_expand_movcc): New.
10581 (m32c_expand_insv): New.
10582 (m32c_scc_pattern): New.
10583 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
10584 a0/a1 out of SIregs.
10585 (STORE_FLAG_VALUE): New.
10586 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
10589 * config/m32c/mov.md: Make constraints more liberal.
10590 (zero_extendqihi2): Optimize r0/r1 case.
10591 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
10592 * config/m32c/predicates.md (m32c_any_operand): New.
10593 (m32c_nonimmediate_operand): New.
10594 (m32c_hl_operand): New.
10595 (m32c_r3_operand): New.
10598 (memsym_operand): New.
10599 (memimmed_operand): New.
10600 (a_qi_operand): New.
10601 (m32c_eqne_operator): New.
10602 (m32c_1bit8_operand): New.
10603 (m32c_1bit16_operand): New.
10604 (m32c_1mask8_operand): New.
10605 (m32c_1mask16_operand): New.
10606 * config/m32c/blkmov.md: New file.
10607 * config/m32c/t-m32c (MD_FILES): Add blkmov.
10609 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
10611 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
10612 unsigned to fix signed/unsigned comparison issue in
10613 DWARF2_FRAME_REG_OUT.
10614 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
10615 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
10617 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
10618 of ptr into the ENABLE_CHECKING section.
10620 2006-03-08 Jeff Law <law@redhat.com>
10622 * tree-vrp.c (infer_value_range): Only count pointer uses
10623 and dereferences if -fdelete-null-pointer-checks is enabled.
10625 * tree-vrp.c (find_assert_locations): Infer value ranges for
10626 single use pointers, but do not create ASSERT_EXPRs for them.
10627 When a non-null range is inferred for a pointer, backwards
10628 propagate that range to other equivalent pointers through the
10631 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
10634 * Makefile.in (dvi, html, install-info): Invoke the corresponding
10635 language hook targets.
10636 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
10637 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
10638 if language hook targets were missing.
10640 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
10642 * tree-ssa-opfinalize.h: Removed.
10643 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
10645 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
10646 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
10647 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
10648 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
10649 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
10650 finalize_ssa_v_must_def_ops): New.
10652 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
10654 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
10655 block as parameter.
10657 2006-03-07 Geoffrey Keating <geoffk@apple.com>
10659 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
10661 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
10662 addresses with offsets; reorganize.
10664 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
10665 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
10666 (expand_builtin_init_dwarf_reg_sizes): Likewise.
10668 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
10671 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
10673 2006-03-08 Ben Elliston <bje@au.ibm.com>
10675 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
10677 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
10680 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
10683 2006-03-07 Richard Guenther <rguenther@suse.de>
10685 PR tree-optimization/26587
10686 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
10688 2006-03-07 Richard Sandiford <richard@codesourcery.com>
10690 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
10692 2006-03-07 Richard Sandiford <richard@codesourcery.com>
10694 * hooks.c (hook_bool_mode_rtx_true): New function.
10695 * hooks.h (hook_bool_mode_rtx_true): Declare.
10696 * toplev.c (compile_file): Call output_shared_constant_pool.
10697 * varasm.c (shared_constant_pool): New variable.
10698 (assemble_start_function, assemble_end_function): Remove arguments
10699 from call to output_constant_pool.
10700 (create_constant_pool): New function, split out from...
10701 (init_varasm_status): ...here.
10702 (force_const_mem): Choose between the shared and per-function constant
10703 pools. Set current_function_uses_const_pool when reusing old entries
10704 as well as when creating new ones.
10705 (mark_constant): Ignore data argument.
10706 (mark_constants): Remove pool argument.
10707 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
10708 to decide whether the function uses a constant pool.
10709 (output_constant_pool_contents): New function, split out from...
10710 (output_constant_pool): ...here.
10711 (output_shared_constant_pool): New function.
10712 (init_varasm_once): Initialize shared_constant_pool.
10713 * output.h (output_constant_pool): Delete.
10714 (output_shared_constant_pool): Declare.
10715 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
10716 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
10718 2006-03-06 Nick Clifton <nickc@redhat.com>
10720 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
10721 flag_strength_reduce.
10723 2006-03-06 Ben Elliston <bje@au.ibm.com>
10725 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
10726 x86_64-*-linux* configurations.
10728 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
10729 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
10731 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10733 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
10735 * basic-block.h: Remove the extern for
10736 rediscover_loops_after_threading.
10738 * cfgloop.c (cancel_loop): Make it static.
10739 * cfgloop.h: Remove the prototype for cancel_loop.
10741 * flow.c (recompute_reg_usage): Make it static.
10742 * rtl.h: Remove the prototype for recompute_reg_usage.
10744 * function.c (use_return_register): Make it static.
10745 * function.h: Remove the prototype.
10747 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10749 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
10751 * recog.h: Remove the prototype for
10752 validate_change_maybe_volatile.
10754 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10756 * rtlanal.c (replace_reg): Remove.
10757 * rtl.h: Remove the prototype for replace_reg.
10759 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10761 * regclass.c (reg_scan_update): Remove.
10762 (reg_scan_mark_refs): Remove the last argument.
10763 * rtl.h: Remove the prototype for reg_scan_update.
10765 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10767 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
10768 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
10769 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
10770 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
10771 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
10772 loop-invariant.c, omp-low.c, opts.c, passes.c,
10773 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
10774 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
10775 tree-ssa-structalias.c, tree-ssa-threadedge.c,
10776 tree-ssa-threadupdate.c, tree-vect-patterns.c,
10777 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
10778 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
10780 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10782 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
10783 * dwarf2out.h: Remove the prototype for
10784 dwarf2out_add_library_unit_info.
10786 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10788 * tree.c (add_var_to_bind_expr): Remove.
10789 * tree.h: Remove the prototype for add_var_to_bind_expr.
10791 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10793 * regclass.c (n_non_fixed_regs): Remove.
10794 (init_reg_sets_1, globalize_reg): Remove all uses of
10796 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
10798 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10800 * rtlanal.c (insns_safe_to_move_p): Remove.
10801 * rtl.h: Remove the prototype for insns_safe_to_move_p.
10803 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10805 * expmed.c (expand_mult_add): Remove.
10806 * expr.h: Remove the prototype for expand_mult_add.
10808 2006-03-04 Jakub Jelinek <jakub@redhat.com>
10810 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
10811 and REG_SAVED_VAL_EXP constants.
10812 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
10813 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
10814 Handle regs stored by value.
10815 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
10816 (execute_cfa_program): Handle DW_CFA_val_offset,
10817 DW_CFA_val_offset_sf and DW_CFA_val_expression.
10818 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
10819 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
10820 (uw_install_context_1): Handle target regs stored by value.
10822 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
10824 * tree-sra.c (tree_sra): Return todoflags;
10825 (generate_one_element): Set TODO_update_smt_usage if needed.
10826 (pass_sra): Remove TODO_update_smt_usage.
10827 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
10829 (tree_ssa_forward_propagate_single_use_vars): Return
10830 TODO_update_smt_usage if we need to update SMT usage.
10831 (pass_forwprop): Remove TODO_update_smt_usage.
10833 2006-03-03 Diego Novillo <dnovillo@redhat.com>
10835 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
10836 (correct_use_link): Remove reference to get_stmt_operands.
10837 (update_stmt_operands): Likewise.
10838 (get_modify_expr_operands): New function factored out of
10839 parse_ssa_operands and get_expr_operands.
10840 Try to create V_MUST_DEFs for LHS by default.
10841 (get_expr_operands) <case MODIFY_EXPR>: Call
10842 get_modify_expr_operands.
10843 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
10844 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
10845 (parse_ssa_operands) <case MODIFY_EXPR>: Call
10846 get_modify_expr_operands.
10848 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
10850 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
10851 * tree-flow.h: Remove the prototype for
10852 referenced_var_lookup_if_exists.
10854 2006-03-03 Steve Ellcey <sje@cup.hp.com>
10856 PR rtl-optimization/26345
10858 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
10860 2006-03-03 Roger Sayle <roger@eyesopen.com>
10862 PR tree-optimization/26524
10863 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
10864 fold_convert to create a constant of the appropriate type.
10866 2006-03-03 Richard Sandiford <richard@codesourcery.com>
10868 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10869 SYMBOL_REF_IN_BLOCK_P.
10870 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
10871 of SYMBOL_FLAG_IN_BLOCK.
10872 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
10873 instead of SYMBOL_REF_IN_BLOCK_P.
10874 * explow.c (use_anchored_address): Likewise.
10875 * rtl.c (rtx_size): Likewise.
10876 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
10877 instead of SYMBOL_FLAG_IN_BLOCK.
10878 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10879 SYMBOL_REF_IN_BLOCK_P.
10880 (assemble_variable): Likewise.
10881 (output_constant_def_contents): Likewise.
10882 (output_constant_pool): Likewise.
10883 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
10884 instead of SYMBOL_FLAG_IN_BLOCK.
10885 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10886 SYMBOL_REF_IN_BLOCK_P.
10887 (SYMBOL_REF_BLOCK): Likewise.
10888 (SYMBOL_REF_OFFSET): Likewise.
10889 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10890 SYMBOL_REF_IN_BLOCK_P.
10891 (SYMBOL_FLAG_IN_BLOCK): Replace with...
10892 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
10893 (SYMBOL_REF_IN_BLOCK_P): Replace with...
10894 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
10896 2006-03-03 Jakub Jelinek <jakub@redhat.com>
10898 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
10900 2006-03-02 Roger Sayle <roger@eyesopen.com>
10902 * simplify-rtx.c (simplify_unary_operation): When simplifying
10903 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
10904 that we perform the right shift in the appropriate mode, and
10905 then extend or truncate the result to requested mode.
10907 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
10909 * gengtype.c (main): Handle double_int type.
10910 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
10911 * double-int.c: New file.
10912 * double-int.h: New file.
10913 * system.h: Include doubleint.h.
10914 * Makefile.in (SYSTEM_H): Include double-int.h.
10915 (double-int.o): Add.
10917 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
10920 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
10923 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10925 * tree-vrp.c (remove_range_assertions): Do not update statements
10928 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10930 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
10932 * gcse.c (rest_of_handle_gcse): Ditto.
10933 * except.c (gate_handle_eh): Ditto.
10934 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
10935 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
10937 2006-03-02 Eric Christopher <echristo@apple.com>
10939 * config/i386/i386.c (machopic_output_stub): Add indirection to
10942 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10946 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
10948 Sun Niagara specific optimizations.
10949 * config.gcc: Recognize niagara as target.
10950 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
10951 (TARGET_CPU_niagara): Define.
10952 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
10953 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
10954 (CPP_CPU_SPEC): Handle -mcpu=niagara.
10955 (ASM_CPU_SPEC): Likewise.
10956 (PROCESSOR_NIAGARA): New enum entry.
10957 (REGISTER_MOVE_COST): Handle Niagara.
10958 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
10959 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
10960 (sparc_override_options): Recognize "niagara", set appropriate
10961 default MASK_* values for it, and align functions to 32-bytes
10962 by default just like ULTRASPARC/ULTRASPARC3.
10963 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
10964 (sparc64_initialize_trampoline): Likewise.
10965 (sparc_use_sched_lookahead): Use zero for niagara.
10966 (sparc_issue_rate): Use one for niagara.
10967 * config/sparc/niagara.md: New file.
10968 * config/sparc/sparc.md: Include it.
10969 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
10970 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
10971 when default cpu is niagara.
10972 (CPP_CPU_SPEC): Handle -mcpu=niagara.
10973 (ASM_CPU_SPEC): Likewise.
10974 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
10975 when default cpu is niagara.
10976 (ASM_CPU_SPEC): Handle -mcpu=niagara.
10977 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
10978 just like v9/ultrasparc/ultrasparc3.
10979 * doc/invoke.texi: Add documentation for "niagara" and improve
10980 existing documentation for ultrasparc variants.
10982 2006-03-02 Diego Novillo <dnovillo@redhat.com>
10984 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
10986 2006-03-02 Richard Sandiford <richard@codesourcery.com>
10988 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
10989 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
10990 and say that only one is needed.
10991 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
10992 * target.h (have_switchable_bss_sections): New hook.
10993 * explow.c (use_anchored_address): Check that the symbol is in a block.
10994 * varasm.c (tls_comm_section, comm_section, lcomm_section)
10995 (bss_noswitch_section): New variables.
10996 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
10997 (get_noswitch_section): New function.
10998 (get_block_for_section): Allow SECT to be null.
10999 (unlikely_text_section_p): Use SECTION_STYLE.
11000 (bss_initializer_p): New function.
11001 (get_variable_section): Move earlier in file. Take a new argument,
11002 prefer_noswitch_p. Move bss checks from assemble_variable to here.
11003 Return one of the new *_sections in such cases.
11004 (get_block_for_decl): New function, extracting some logic from
11005 use_blocks_for_decl_p.
11006 (change_symbol_section): Remove in favor of...
11007 (change_symbol_block): ...this new function.
11008 (use_blocks_for_decl_p): Remove checks now performed by
11009 get_block_for_decl.
11010 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
11011 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
11012 (emit_local, emit_bss, emit_common): ...these new functions.
11013 Return true if the alignment was honored.
11014 (emit_tls_common): New function.
11015 (asm_emit_uninitialised): Delete.
11016 (assemble_variable_noswitch): New function, split out from...
11017 (assemble_variable): ...here. Don't make decisions about common
11018 variables here. Globalize all public decls that go into non-common
11019 sections. Check whether SYMBOL_REF_BLOCK is null.
11020 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
11021 (output_constant_pool): Likewise.
11022 (init_varasm_once): Initialize the new section variables.
11023 (have_global_bss_p): New function.
11024 (categorize_decl_for_section): Use bss_initializer_p.
11025 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
11026 (place_block_symbol): Assert that the symbol must be in a block.
11027 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
11028 (TARGET_INITIALIZER): Include it.
11029 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
11030 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
11031 (SECTION_MACH_DEP): Bump by two.
11032 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
11033 (unnamed_section): Mention SECTION_UNNAMED in comment.
11034 (named_section): Likewise SECTION_NAMED.
11035 (noswitch_section_callback): New type.
11036 (noswitch_section): New structure.
11037 (section): Add a noswitch_section alternative.
11038 (SECTION_STYLE): New macro.
11039 (tls_comm_section, comm_section, lcomm_section): Declare.
11040 (bss_noswitch_section, have_global_bss_p): Declare.
11041 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
11042 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
11044 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
11045 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
11048 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
11050 * tree-vrp.c (execute_vrp): Return value.
11051 * regrename.c (rest_of_handle_regrename): Ditto.
11052 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
11053 * tree-complex.c (tree_lower_complex): Ditto.
11054 (tree_lower_complex_O0): Ditto.
11055 * tracer.c (rest_of_handle_tracer): Ditto.
11056 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
11057 * postreload.c (rest_of_handle_postreload): Ditto.
11058 * tree-tailcall.c (execute_tail_recursion): Ditto.
11059 (execute_tail_calls): Ditto.
11060 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
11061 * tree.h (init_function_for_compilation): Ditto.
11062 * ipa-cp.c (ipcp_driver): Ditto.
11063 * tree-scalar-evolution.c (scev_const_prop): Ditto.
11064 * tree-scalar-evolution.h (scev_const_prop): Ditto.
11065 * final.c (compute_alignments): Ditto.
11066 (rest_of_handle_final): Ditto.
11067 (rest_of_handle_shorten_branches): Ditto.
11068 (rest_of_clean_state): Ditto.
11069 * omp-low.c (execute_expand_omp): Ditto.
11070 (execute_lower_omp): Ditto.
11071 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
11072 * ipa-reference.c (static_execute): Ditto.
11073 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
11074 * reorg.c (rest_of_handle_delay_slots): Ditto.
11075 (rest_of_handle_machine_reorg): Ditto.
11076 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
11077 * flow.c (recompute_reg_usage): Ditto.
11078 (rest_of_handle_remove_death_notes): Ditto.
11079 (rest_of_handle_life): Ditto.
11080 (rest_of_handle_flow2): Ditto.
11081 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
11082 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
11083 (do_ssa_store_ccp): Ditto.
11084 (execute_fold_all_builtins): Ditto.
11085 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
11086 * modulo-sched.c (rest_of_handle_sms): Ditto.
11087 * ipa-pure-const.c (static_execute): Ditto.
11088 * cse.c (rest_of_handle_cse): Ditto.
11089 (rest_of_handle_cse2): Ditto.
11090 * web.c (rest_of_handle_web): Ditto.
11091 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
11092 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
11093 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
11094 * tree-nrv.c (tree_nrv): Ditto.
11095 (execute_return_slot_opt): Ditto.
11096 * tree-ssa-alias.c (compute_may_aliases): Ditto.
11097 (create_structure_vars): Ditto.
11098 * loop-init.c (rtl_loop_init): Ditto.
11099 (rtl_loop_done): Ditto.
11100 (rtl_move_loop_invariants): Ditto.
11101 (rtl_unswitch): Ditto.
11102 (rtl_unroll_and_peel_loops): Ditto.
11103 (rtl_doloop): Ditto.
11104 * gimple-low.c (lower_function_body): Ditto.
11105 (mark_used_blocks): Ditto.
11106 * tree-ssa-sink.c (execute_sink_code): Ditto.
11107 * ipa-inline.c (cgraph_decide_inlining): Ditto.
11108 (cgraph_early_inlining): Ditto.
11109 * global.c (rest_of_handle_global_alloc): Ditto.
11110 * jump.c (cleanup_barriers): Ditto.
11111 (purge_line_number_notes): Ditto.
11112 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
11113 (rest_of_handle_if_after_reload): Ditto.
11114 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
11115 (tree_ssa_loop_im): Ditto.
11116 (tree_ssa_loop_unswitch): Ditto.
11117 (tree_vectorize): Ditto.
11118 (tree_linear_transform): Ditto.
11119 (tree_ssa_loop_ivcanon): Ditto.
11120 (tree_ssa_empty_loop): Ditto.
11121 (tree_ssa_loop_bounds): Ditto.
11122 (tree_complete_unroll): Ditto.
11123 (tree_ssa_loop_prefetch): Ditto.
11124 (tree_ssa_loop_ivopts): Ditto.
11125 (tree_ssa_loop_done): Ditto.
11126 * predict.c (tree_estimate_probability): Ditto.
11127 * recog.c (split_all_insns_noflow): Ditto.
11128 (rest_of_handle_peephole2): Ditto.
11129 (rest_of_handle_split_all_insns): Ditto.
11130 * tree-eh.c (lower_eh_constructs): Ditto.
11131 * regmove.c (rest_of_handle_regmove): Ditto.
11132 (rest_of_handle_stack_adjustments): Ditto.
11133 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
11134 * function.c (instantiate_virtual_regs): Ditto.
11135 (init_function_for_compilation): Ditto.
11136 (rest_of_handle_check_leaf_regs): Ditto.
11137 * gcse.c (rest_of_handle_jump_bypass): Ditto.
11138 (rest_of_handle_gcse): Ditto.
11139 * ipa-type-escape.c (type_escape_execute): Ditto.
11140 * alias.c (rest_of_handle_cfg): Ditto.
11141 * tree-if-conv.c (main_tree_if_conversion): Ditto.
11142 * profile.c (rest_of_handle_branch_prob): Ditto.
11143 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
11144 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
11145 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
11146 * tree-dfa.c (find_referenced_vars): Ditto.
11147 * except.c (set_nothrow_function_flags): Ditto.
11148 (convert_to_eh_region_ranges): Ditto.
11149 (rest_of_handle_eh): Ditto.
11150 * emit-rtl.c (unshare_all_rtl): Ditto.
11151 (remove_unnecessary_notes): Ditto.
11152 * except.h (set_nothrow_function_flags): Ditto.
11153 (convert_to_eh_region_ranges): Ditto.
11154 * cfgexpand.c (tree_expand_cfg): Ditto.
11155 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
11156 * tree-ssa-pre.c (do_pre): Ditto.
11157 (execute_fre): Ditto.
11158 * cfgcleanup.c (rest_of_handle_jump): Ditto.
11159 (rest_of_handle_jump2): Ditto.
11160 * tree-sra.c (tree_sra): Ditto.
11161 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
11162 (execute_mudflap_function_decls): Ditto.
11163 * tree-ssa-copy.c (do_copy_prop): Ditto.
11164 (do_store_copy_prop): Ditto.
11165 * ipa-prop.h (ipcp_driver): Ditto.
11166 * cfglayout.c (insn_locators_initialize): Ditto.
11167 * tree-ssa-forwprop.c
11168 (tree_ssa_forward_propagate_single_use_vars): Ditto.
11169 * cfglayout.h (insn_locators_initialize): Ditto.
11170 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
11171 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
11172 (execute_late_warn_uninitialized): Ditto.
11173 * rtl.h (cleanup_barriers): Ditto.
11174 (split_all_insns_noflow): Ditto.
11175 (purge_line_number_notes): Ditto.
11176 (unshare_all_rtl): Ditto.
11177 (remove_unnecessary_notes): Ditto.
11178 (recompute_reg_usage): Ditto.
11179 (variable_tracking_main): Ditto.
11180 * integrate.c (emit_initial_value_sets): Ditto.
11181 * integrate.h (emit_initial_value_sets): Ditto.
11182 * tree-optimize.c (execute_free_datastructures): Ditto
11183 (execute_free_cfg_annotations): Ditto.
11184 (execute_fixup_cfg): Ditto.
11185 (execute_cleanup_cfg_pre_ipa): Ditto.
11186 (execute_cleanup_cfg_post_optimizing): Ditto.
11187 (execute_init_datastructures): Ditto.
11188 * tree-object-size.c (compute_object_sizes): Ditto.
11189 * combine.c (rest_of_handle_combine): Ditto.
11190 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
11191 * bb-reorder.c (duplicate_computed_gotos): Ditto.
11192 (rest_of_handle_reorder_blocks): Ditto.
11193 (rest_of_handle_partition_blocks): Ditto.
11194 * var-tracking.c (variable_tracking_main): Ditto.
11195 * tree-profile.c (tree_profiling): Ditto.
11196 * tree-vect-generic.c (expand_vector_operations): Ditto.
11197 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
11198 * sched-rgn.c (rest_of_handle_sched): Ditto.
11199 (rest_of_handle_sched2): Ditto.
11200 * basic-block.h (free_bb_insn): Ditto.
11201 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
11202 * tree-cfg.c (execute_build_cfg): Ditto.
11203 (remove_useless_stmts): Ditto.
11204 (split_critical_edges): Ditto.
11205 (execute_warn_function_return): Ditto.
11206 (execute_warn_function_noreturn): Ditto.
11207 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
11208 * cfgrtl.c (free_bb_for_insn): Ditto.
11209 * passes.c (execute_one_pass): Run additional
11210 todos returned by execute function.
11211 * tree-pass.h (struct tree_opt_pass): Make execute
11214 2006-03-02 Richard Guenther <rguenther@suse.de>
11216 * tree-ssa-alias.c (find_used_portions): Consider taking
11217 the address as making the variable not write-only.
11219 2006-03-02 Nick Clifton <nickc@redhat.com>
11221 * config.gcc (default_use_cxa_atexit): Extend the description of
11222 this configure variable. Set its default value to "yes" for
11223 Linux, NetBSD and ELF targets on the assumption that they will
11224 use C libraries with the __cxa_atexit function.
11226 2006-03-02 Ben Elliston <bje@au.ibm.com>
11228 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
11229 parameter as unused to suppress a build warning.
11231 2006-03-02 Ben Elliston <bje@au.ibm.com>
11233 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
11236 2006-03-01 Roger Sayle <roger@eyesopen.com>
11239 * gthr-posix.h (__gthrw2): Define to take three parameters, the
11240 declared name, the weak reference name, and the typeof name.
11241 (__gthrw): Avoid expanding the declared name suffix.
11242 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
11244 2006-03-01 Jakub Jelinek <jakub@redhat.com>
11246 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
11248 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
11249 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
11250 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
11251 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
11252 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
11253 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
11254 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
11255 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
11256 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
11257 DW_DS_leading_separate, DW_DS_trailing_separate): New.
11258 (DW_END_default, DW_END_big, DW_END_little): New.
11259 (DW_END_lo_user, DW_END_hi_user): Define.
11260 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
11261 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
11262 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
11265 2006-03-01 Diego Novillo <dnovillo@redhat.com>
11267 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
11269 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
11271 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
11273 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
11275 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
11276 to 'symbol_mem_tag'.
11278 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
11281 2006-03-01 Roger Sayle <roger@eyesopen.com>
11283 * builtins.c (fold_builtin_copysign): Delete unreachable code.
11285 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
11288 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
11289 MACHO_DYNAMIC_NO_PIC_P.
11290 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
11292 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
11295 * config/darwin-protos.h (darwin_asm_output_anchor):
11297 * config/darwin-sections.def (cstring_section):
11298 Add SECTION_MERGE to the flags.
11299 (literal4_section): Likewise.
11300 (literal8_section): Likewise.
11301 (objc_selector_refs_section): Likewise.
11302 (objc_cls_refs_section): Likewise.
11303 * config/darwin.c (darwin_asm_output_anchor): New
11305 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
11307 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
11309 Fix PR tree-optimization/26443
11310 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
11311 to todo and PROP_tmt_usage to properties_destroyed.
11312 * tree-ssa-ccp.c (pass_ccp): Ditto.
11313 (pass_store_ccp): Ditto.
11314 * tree-ssa-dom.c (pass_dominator): Ditto.
11316 2006-03-01 Diego Novillo <dnovillo@redhat.com>
11318 * tree-ssa-operands.c: Cleanup whitespace.
11319 (get_asm_expr_operands): Move before first invocation.
11320 (get_indirect_ref_operands): Likewise.
11321 (get_tmr_operands): Likewise.
11322 (get_call_expr_operands): Likewise.
11323 (append_def): Likewise.
11324 (append_use): Likewise.
11325 (append_v_may_def): Likewise.
11326 (append_v_must_def): Likewise.
11327 (add_call_clobber_ops): Likewise.
11328 (add_call_read_ops): Likewise.
11329 (add_stmt_operand): Likewise.
11330 (add_virtual_operand): Likewise.
11331 (build_ssa_operands): Likewise.
11333 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
11335 PR middle-end/26022
11337 PR middle-end/24437
11338 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
11339 with a call expr to ...
11340 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
11342 2006-03-01 Diego Novillo <dnovillo@redhat.com>
11344 * tree-vrp.c (extract_range_from_assert): Remove special
11345 handling for types with super-types.
11347 2006-03-01 Ben Elliston <bje@au.ibm.com>
11349 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
11350 and powerpc64-*-linux* configurations.
11351 * config/t-dfprules: New file.
11353 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
11354 Compile dfp-bit.c from the source directory using -DWIDTH and
11355 $DFP_CFLAGS to control the compilation of that file, rather than
11356 generating width-specific versions in the build directory.
11357 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
11358 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
11360 2006-02-28 Zack Weinberg <zackw@panix.com>
11362 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
11365 2006-02-28 Eric Christopher <echristo@apple.com>
11367 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
11368 Set up IN_LIBGCC definition of TARGET_64BIT.
11369 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
11371 2006-02-28 Roger Sayle <roger@eyesopen.com>
11373 PR middle-end/14752
11374 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
11375 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
11376 cases via the construction of "expr != 0".
11378 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
11380 * alias.c (alias_invariant, alias_invariant_size): Remove.
11381 (record_base_value): Remove.
11382 (memrefs_conflict_p): Don't look at alias_invariant.
11383 (end_alias_analysis): Don't free it.
11384 * alias.h (record_base_value): Remove prototype.
11386 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
11387 Adam Nemet <anemet@caviumnetworks.com>
11389 * rtl.h (truncated_to_mode): Declare it.
11390 (struct rtl_hooks): Add reg_truncated_to_mode hook.
11391 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
11392 (RTL_HOOKS_INITIALIZER): Include it.
11393 * rtlhooks.c (reg_truncated_to_mode_general): New function.
11394 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
11395 reg_truncated_to_mode.
11396 * rtlanal.c (truncated_to_mode): Define it.
11397 * simplify-rtx.c (simplify_unary_operation_1): Use it.
11399 2006-02-28 Jeff Law <law@redhat.com>
11401 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
11402 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
11403 the range allowed by TYPE_PRECISION.
11405 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
11407 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
11409 PR tree-optimization/26419
11410 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
11413 2006-02-27 Zack Weinberg <zackw@panix.com>
11415 * doc/md.texi: Fix typo in previous change.
11417 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
11421 2006-02-27 Zack Weinberg <zackw@panix.com>
11423 * rtl.def (define_constraint, define_register_constraint)
11424 (define_memory_constraint, define_address_constraint): New MD forms.
11425 * gensupport.c (process_rtx): Put define_constraint etc on the
11427 * genpreds.c (process_define_predicate): Adjust comment. Validate
11428 the name, and call validate_exp to validate the expression.
11429 (mark_mode_tests, write_extract_subexp): Can assume correct input.
11430 (write_predicate_expr): Likewise. NAME argument no longer necessary;
11431 all callers changed.
11432 (validate_exp, needs_variable, struct constraint_data)
11433 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
11434 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
11435 (const_dbl_constraints, constraint_max_namelen)
11436 (have_register_constraints, have_memory_constraints)
11437 (have_address_constraints, have_address_constraints)
11438 (have_extra_constraints, have_const_int_constraints)
11439 (have_const_dbl_constraints, mangle, add_constraint)
11440 (process_define_constraint, process_define_register_constraint)
11441 (write_enum_constraint_num, write_lookup_constraint)
11442 (write_insn_constraint_len, write_regclass_for_constraint)
11443 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
11444 (write_insn_extra_memory_constraint)
11445 (write_insn_extra_address_constraint)
11446 (write_satisfies_constraint_fns): New.
11447 (write_tm_preds_h): If we have new-style constraint definitions,
11448 prototype the functions generated from them, and define the
11449 old constraint interface (still used by generic code) in terms of
11451 (write_insn_preds_c): If we have new-style constraint definitions,
11452 generate all relevant functions from those definitions.
11453 (main): Handle define_constraint etc.
11454 * genoutput.c (struct constraint_data, indep_constraints)
11455 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
11456 (mdep_constraint_len): New data structures and functions, defined
11457 #ifdef USE_MD_CONSTRAINTS.
11458 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
11459 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
11460 use new logic to validate operand constraints against constraint
11462 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
11464 * defaults.h: If none of the old-style constraint macros are
11465 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
11466 old-style macros; and poison REG_CLASS_FROM_LETTER,
11467 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
11469 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
11470 * doc/md.texi: Document new constraint-definition mechanism and the
11471 C interface it provides. Remove references to old mechanism
11472 elsewhere in the document.
11473 (Machine Constraints): Use pathnames relative to gcc directory,
11474 i.e. config/ARCH/FILE. Change i386 section to refer to
11475 config/i386/predicates.md; update that section to match docstrings.
11476 * doc/tm.texi: Move all documentation of the old constraint-
11477 definition macros to their own section, clearly mark as obsolete.
11479 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
11480 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
11482 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
11483 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
11484 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
11485 constraint strings.
11486 (splits and peepholes): Use satisfies_constraint_*.
11487 * config/i386/i386.c (memory_address_length)
11488 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
11490 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
11492 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
11493 scalar operation to be put back into the loop.
11495 2006-02-27 Jakub Jelinek <jakub@redhat.com>
11498 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
11499 (extract_cie_info): Handle S flag in augmentation string.
11500 (execute_cfa_program): If context->signal_frame, execute also
11501 fs->pc == context->ra instructions.
11502 (uw_frame_state_for): If context->signal_frame, don't subtract one
11503 from context->ra to find FDE.
11504 (uw_update_context_1): Set context->signal_frame to
11506 (_Unwind_GetIPInfo): New function.
11507 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
11508 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
11510 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
11511 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
11512 * unwind-compat.c (_Unwind_GetIPInfo): New function.
11513 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
11514 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
11515 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
11516 * config/i386/linux-unwind.h (x86_fallback_frame_state,
11517 x86_64_fallback_frame_state): Set fs->signal_frame.
11518 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
11519 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
11520 (frob_update_context): Likewise. Workaround missing S flag in
11521 Linux 2.6.12 - 2.6.16 kernel vDSOs.
11522 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
11523 Remove the psw_addr + 1 hack.
11525 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
11527 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
11528 with aggregates here.
11529 (find_func_aliases): Remove code for &<aggregate> from here.
11531 2006-02-26 Roger Sayle <roger@eyesopen.com>
11533 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
11534 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
11535 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
11536 as (X & C) ne/eq 0.
11538 2006-02-26 Roger Sayle <roger@eyesopen.com>
11540 PR middle-end/19983
11541 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
11543 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
11545 * opts.c (decode_options): Do not handle flag_strength_reduce.
11546 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
11547 and OPT_fstrength_reduce.
11548 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
11549 flag_prefetch_loop_arrays for being nonzero.
11550 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
11552 (fprefetch-loop-arrays-rtl): Removed.
11553 (flag_prefetch_loop_arrays): Do not specify the value.
11555 * doc/passes.texi: Update documentation of loop optimizer
11557 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
11558 -frerun-loop-opt): Remove.
11560 2006-02-26 Richard Guenther <rguenther@suse.de>
11562 PR tree-optimization/26421
11563 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
11564 in function calls that are ADDR_EXPRs as using the whole structure.
11566 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
11568 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
11569 * tree-pass.h (pass_loop_optimize): Remove.
11570 * passes.c (pass_loop_optimize): Never run it.
11571 * toplev.c (backend_init): Don't call init_loop.
11572 * opts.c (flag_loop_optimize_set): Remove.
11573 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
11574 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
11575 the old RTL loop optimizer when profiling enabled.
11576 * predict.c (tree_estimate_probability): Always strip builtin_expect.
11577 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
11578 pre-headers for the sake of the old RTL loop optimizer.
11579 * Makefile.in: Remove all references to loop.o.
11581 * doc/invoke.texi: Remove all references to -floop-optimize
11582 and -frerun-loop-opt.
11584 2006-02-26 Zack Weinberg <zackw@panix.com>
11586 * doc/md.texi (Machine Constraints): Refer to all files with paths
11587 relative to gcc directory (i.e. config/CPU/file). Add missing
11588 @table @code ... @end table to M32C subsection.
11590 2006-02-26 Roger Sayle <roger@eyesopen.com>
11592 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
11594 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
11596 2006-02-26 Roger Sayle <roger@eyesopen.com>
11597 James A. Morrison <phython@gcc.gnu.org>
11599 PR middle-end/21137
11600 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
11601 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
11602 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
11603 signedness of the shift operation.
11605 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
11607 PR tree-optimization/26359
11608 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
11610 2006-02-25 Roger Sayle <roger@eyesopen.com>
11612 * simplify-rtx.c (simplify_relational_operation_1): Simplify
11613 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
11614 as X == 0, and some symmetry related transformations.
11615 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
11617 2006-02-25 Roger Sayle <roger@eyesopen.com>
11619 PR middle-end/23673
11620 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
11621 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
11622 symmetry related transformations. Fold (X^C1) == C2 as
11625 2006-02-25 Juergen Weigert <jw@suse.de>
11626 Richard Guenther <rguenther@suse.de>
11628 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
11630 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
11632 * combine.c (gen_lowpart_or_truncate): Call
11633 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
11635 2006-02-24 Diego Novillo <dnovillo@redhat.com>
11637 * doc/invoke.texi: Move -fopenmp description to "Options for
11639 Remove reference to -lgomp.
11641 2006-02-24 David Edelsohn <edelsohn@gnu.org>
11643 * doc/install.texi: Require GNU tar version 1.14.
11645 2006-02-24 Geoffrey Keating <geoffk@apple.com>
11647 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
11648 * doc/invoke.texi (C++ Dialect Options): Document
11649 -fno-use-cxa-get-exception-ptr.
11650 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
11651 * configure: Regenerate.
11652 * c.opt (fuse-cxa-get-exception-ptr): New.
11653 * c-opts.c (c_common_handle_option): Handle
11654 OPT_fuse_cxa_get_exception_ptr.
11655 * c-common.c (flag_use_cxa_atexit): Update documentation.
11656 (flag_use_cxa_get_exception_ptr): New.
11657 * c-common.h (flag_use_cxa_get_exception_ptr): New.
11658 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
11660 (C_COMMON_OVERRIDE_OPTIONS): New.
11662 2006-02-24 Roger Sayle <roger@eyesopen.com>
11664 PR middle-end/24952
11665 * combine.c (try_combine): Explicitly check whether GET_CODE is
11666 a SET or a CLOBBER, instead on checking that it isn't a USE.
11668 2006-02-24 Roger Sayle <roger@eyesopen.com>
11670 * fold-const.c (fold_comparison): New subroutine of fold_binary
11671 containing transformations common to both the equality and
11672 ordering relational operators, factored out of fold_binary.
11673 (fold_binary): Separate out the equality operators (EQ_EXPR
11674 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
11675 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
11676 transformations common to both.
11677 (fold_div_compare): Fix latent bugs in the previously unreachable
11678 LT_EXPR and GE_EXPR cases.
11680 2006-02-24 David Edelsohn <edelsohn@gnu.org>
11682 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
11683 decl libname for clog to __clog on AIX.
11685 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
11687 2006-02-24 Alan Modra <amodra@bigpond.net.au>
11690 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
11691 output traceback table for thunks. Localise rs6000_stack_info call.
11693 2006-02-23 Roger Sayle <roger@eyesopen.com>
11694 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
11696 * gthr-posix.h (__gthrw): Fix typo in comment.
11698 2006-02-23 Geoffrey Keating <geoffk@apple.com>
11700 * doc/cpp.texi (Character sets): Document that we do support
11701 input files to be in any character set.
11703 2006-02-23 Jeff Law <law@redhat.com>
11705 * tree.h (PHI_ARG_NONZERO): Remove.
11706 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
11707 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
11708 node to the new node.
11710 PR tree-optimization/26425
11711 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
11712 min/max, then assume its varying.
11714 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
11716 PR rtl-optimization/26316
11717 * rtlanal.c (enum may_trap_p_flags): New.
11718 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
11719 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
11720 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
11721 (may_trap_after_code_motion_p): New function.
11722 * loop-invariant.c (find_identical_invariants): Fix dump formating.
11723 (find_invariant_insn): Use may_trap_after_code_motion_p.
11724 * rtl.h (may_trap_after_code_motion_p): Declare.
11726 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
11728 * emit-rtl.c (immed_double_const): Cleanup.
11730 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
11732 Fix PR tree-optimization/26376
11733 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
11736 2006-02-23 Jakub Jelinek <jakub@redhat.com>
11738 PR middle-end/26412
11739 * gimplify.c (omp_add_variable): Guard variable size decl test with
11740 DECL_SIZE (decl) check.
11742 2006-02-23 Richard Guenther <rguenther@suse.de>
11744 PR middle-end/26439
11745 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
11746 like aggregate types.
11748 2006-02-23 Jakub Jelinek <jakub@redhat.com>
11750 * configure.ac: Add --with{,out}-long-double-128 configure option.
11751 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
11752 * configure: Rebuilt.
11753 * config.in: Rebuilt.
11754 * doc/install.texi (Options specification): Document
11755 --with-long-double-128.
11757 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
11758 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
11759 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
11760 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
11762 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
11764 * config/s390/s390.c (override_options): Handle
11765 TARGET_DEFAULT_LONG_DOUBLE_128.
11767 * config/alpha/alpha.c (override_options): Handle
11768 TARGET_DEFAULT_LONG_DOUBLE_128.
11770 * config/sparc/sparc.c (sparc_override_options): Handle
11771 TARGET_DEFAULT_LONG_DOUBLE_128.
11773 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
11775 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
11776 (real-install-headers-tar, real-install-headers-cpio)
11777 (real-install-headers-cp): New targets.
11779 2006-02-22 Richard Sandiford <richard@codesourcery.com>
11781 * tree.h (variable_section): Delete.
11782 * varasm.c (variable_section): Delete.
11784 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
11786 * install.texi: Add notes on install.texi2html.
11787 (Building in parallel): Do not use footnotes.
11789 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
11792 * doc/install.texi (Configuration): Document --disable-libgomp.
11794 2006-02-21 Geoffrey Keating <geoffk@apple.com>
11796 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
11798 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
11800 * config/i386/sse.md (vec_extractv2df_1_sse): New.
11801 (vec_extractv2df_0_sse): New.
11803 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
11805 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
11806 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
11807 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
11808 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
11809 to the result of the expression.
11810 (def_cfa_1): Adjust.
11811 (frame_pointer_cfa_offset): Rename to...
11812 (frame_pointer_fb_offset): ... this. Adjust all uses.
11813 (convert_cfa_to_loc_list): Rename to...
11814 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
11815 Pass it on to build_cfa_loc.
11816 (compute_frame_pointer_to_cfa_displacement): Rename to...
11817 (compute_frame_pointer_to_fb_displacement): ... this. New
11818 offset parameter. Use it in computation.
11819 (gen_subprogram_die): Compute cfa_fb_offset with the new
11820 macro, and use it to compute the fb loc list and the
11823 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
11825 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
11826 replaced with register_operand.
11827 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
11828 non-DREG is expensive.
11829 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
11830 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
11833 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
11835 * doc/install.texi2html: Use set -e.
11837 2006-02-21 Richard Sandiford <richard@codesourcery.com>
11839 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
11840 (ASM_OUTPUT_SHARED_LOCAL): Delete.
11841 * doc/invoke.texi (-fshared-data): Delete.
11842 * common.opt (fshared-data): Delete.
11843 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
11844 (assemble_static_space): Remove #if 0 code.
11845 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
11846 (ASM_OUTPUT_SHARED_LOCAL): Poison.
11847 * config/cris/cris.h: Remove FIXME.
11849 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
11851 * doc/sourcebuild.texi (Front End Directory): No more double-colon
11854 2006-02-21 Jakub Jelinek <jakub@redhat.com>
11856 PR middle-end/26379
11857 * combine.c (simplify_shift_const_1): Disable nested shifts
11858 optimization for vector shifts.
11860 2006-02-20 Roger Sayle <roger@eyesopen.com>
11862 PR tree-optimization/26361
11863 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
11864 of unsigned integer types.
11866 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
11868 * tree-chrec.c (eq_evolutions_p): New.
11869 * tree-chrec.h (eq_evolutions_p): Declared.
11870 * tree-data-ref.c: Fix formatting.
11871 (datadep_stats, dependence_stats): New.
11873 (print_direction_vector): New.
11874 (dump_data_dependence_relation): Use print_direction_vector.
11875 (object_analysis, create_data_ref): Handle COMPONENT_REF.
11876 (compute_subscript_distance): Static.
11877 (initialize_data_dependence_relation): Static. Get the number
11878 of loops surrounding the references from the callers, and initialize
11879 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
11880 base_object_differ_p analyzers.
11881 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
11882 compute_overlap_steps_for_affine_1_2,
11883 analyze_subscript_affine_affine): Count the classified dependences.
11884 Print a message when a test failed.
11885 (can_use_analyze_subscript_affine_affine): New.
11886 (analyze_siv_subscript): Compute the data dependences on symbolic
11887 scevs that verify can_use_analyze_subscript_affine_affine.
11888 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
11889 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
11890 Handle symbolic scevs.
11891 (analyze_overlapping_iterations): Let symbolic affine scevs to be
11893 (subscript_dependence_tester): Moved...
11894 (build_classic_dist_vector, build_classic_dir_vector): Don't use
11895 lambda_vector_clear on newly allocated vectors. Get nb_loops from
11896 DDR_SIZE_VECT instead of getting it in parameter.
11897 (subscript_dependence_tester): ... here. Take as a parameter
11898 loop_nest_depth. Call build_classic_dist_vector and
11899 build_classic_dir_vector.
11900 (compute_affine_dependence): Update subscript_dependence_tester
11901 parameters. Update datadep_stats counters. Call
11902 compute_subscript_distance.
11903 (compute_self_dependence): Save the dist and dir vectors. Call
11904 compute_subscript_distance.
11905 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
11906 (compute_all_dependences): Reorder parameters as they were before
11907 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
11908 compute_subscript_distance. Update the use of
11909 compute_affine_dependence and initialize_data_dependence_relation.
11910 (find_data_references_in_loop): Handle COMPONENT_REF.
11911 (compute_data_dependences_for_loop): Initialize dependence_stats.
11912 Don't call build_classic_dist_vector and build_classic_dir_vector.
11913 Update the parameters of initialize_data_dependence_relation and
11914 compute_all_dependences. Print the statistics from datadep_stats.
11915 (analyze_all_data_dependences): Static. Not used until the pass for
11916 checking the data dependences is contributed.
11917 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
11918 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
11919 (initialize_data_dependence_relation, compute_affine_dependence,
11920 analyze_all_data_dependences, compute_subscript_distance): Removed.
11921 (print_direction_vector): New.
11922 * lambda.h (gcd): ... here.
11923 (lambda_vector_gcd): Moved here from gcd_vector.
11924 * lambda-code.c (gcd, gcd_vector): Removed.
11925 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
11926 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
11928 2006-02-20 Diego Novillo <dnovillo@redhat.com>
11930 * ipa-type-escape.c: Tidy some comments and white space.
11931 * tree-ssa-operands.c: Likewise.
11933 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
11936 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
11937 (dump_decl_name): Do not walk the decl tree chains.
11938 * tree-pass.h (TDF_CHAIN): Remove.
11940 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
11942 * Makefile.in (C): Remove
11944 (.PHONY): Remove C and PROTO
11946 2006-02-20 Roger Sayle <roger@eyesopen.com>
11948 PR middle-end/26236
11949 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
11950 deprecated CHAR_TYPE tree code.
11952 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
11954 * configure.ac (target_list): Add install-info, dvi, html.
11955 * configure: Regenerate.
11957 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
11958 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
11959 treelang/Make-lang.in: Do not use double-colon rules.
11961 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
11963 * tree.h (struct tree_memory_tag): Add is_used_alone member.
11964 (TMT_USED_ALONE): New macro.
11965 * tree-pass.h (PROP_tmt_usage): New property.
11966 (TODO_update_tmt_usage): New todo.
11967 * tree-ssa-alias.c (updating_used_alone): New variable.
11968 (recalculate_used_alone): New function.
11969 (compute_may_aliases): Set updating_used_alone, call
11970 recalculate_used_alone.
11971 * tree-sra.c (pass_sra): Note that this pass destroys
11972 PROP_tmt_usage, and add TODO_update_tmt_usage.
11973 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
11974 * tree-flow.h (updating_used_alone): Prototype.
11975 (recalculate_used_alone): Ditto.
11976 * passes.c (execute_todo): Add code to set updating_used_alone,
11977 and call recalculate.
11978 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
11979 for clobber if used alone, and add assert to verify used_alone
11982 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
11984 * config/s390/s390.c (legitimize_pic_address): Assertions checking
11985 for non tls symbols added.
11986 (legitimize_address): Do nothing for PLUS expressions if one of the
11987 addends is a tls symbol reference.
11989 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
11993 * Makefile.in (LDFLAGS): Define from autoconf substitution.
11995 * Makefile.in (BOOTSTRAPPING): New.
11996 (quickstrap): New definition if BOOTSTRAPPING=yes.
11998 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
11999 * configure.ac: Substitute all_selected_languages with the languages
12000 that were configured. For all the other variables except
12001 lang_specs_files, include all the languages in the tree.
12002 * configure: Regenerate.
12004 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
12005 if there is one. Run the commands to run fixincludes in the same
12008 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
12009 * doc/install.texi: Document exact conventions for searching target tools.
12010 Document --with-build-time-tools. Document toplevel bootstrap. Document
12011 something more about building an Ada cross-compiler. Don't list GNU Make
12012 requirements which affect all platforms.
12014 2006-02-19 Roger Sayle <roger@eyesopen.com>
12016 PR middle-end/19543
12017 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
12018 only equivalent if the have both the same mode and precision.
12020 2006-02-20 Ben Elliston <bje@au.ibm.com>
12022 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
12024 2006-02-19 Roger Sayle <roger@eyesopen.com>
12025 Steven Bosscher <stevenb.gcc@gmail.com>
12027 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
12028 constant pool references to identify stack mode constants.
12029 * rtlanal.c (constant_pool_constant_p): New predicate to check
12030 whether operand is a floating point constant in the pool.
12031 * rtl.h (constant_pool_constant_p): Prototype here.
12032 * loop.c (scan_loop): Avoid hoisting constants from the constant
12033 pool on STACK_REGS targets.
12034 (load_mems): Likewise.
12035 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
12036 loads into x87 registers expensive in terms of register pressure.
12038 2006-02-19 Roger Sayle <roger@eyesopen.com>
12040 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
12041 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
12043 2006-02-19 David Edelsohn <edelsohn@gnu.org>
12045 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
12046 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
12048 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
12050 * doc/invoke.texi: Document -fipa-pta.
12051 * common.opt: Add ipa-pta option.
12052 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
12053 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
12054 (do_ds_constraint): Ditto.
12055 (get_constraint_for): Only add to referenced_vars if
12056 referenced_vars exists.
12057 (insert_into_field_list): Rewrite to do this unsorted.
12058 (insert_into_field_list_sorted): Rename old insert_into_field_list
12060 (create_function_info_for): Use insert_into_field_list_sorted.
12061 (create_variable_info_for): Rewrite so it uses unsorted version,
12062 since the field list is sorted.
12063 (intra_create_variable_infos): Only add to referenced_vars if
12064 referenced_vars exists.
12065 (ipa_pta_execute): Init heapvars, and delete when done.
12066 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
12068 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12070 * doc/install.texi: Add missing `@samp'.
12072 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
12074 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
12077 2006-02-18 Mark Wielaard <mark@klomp.org>
12079 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
12080 who added new 4.1 features, bug fixes and integration support.
12082 2006-02-18 David Edelsohn <edelsohn@gnu.org>
12085 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
12086 MEM for ABI_V4 pic.
12088 2006-02-18 Richard Sandiford <richard@codesourcery.com>
12090 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
12091 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
12092 (copy_insn_1): Likewise. Don't copy each field individually.
12094 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
12096 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
12097 * rtl.c (rtx_size): Rename variable to...
12098 (rtx_code_size): ...this.
12099 (rtx_size): New function.
12100 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
12101 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
12103 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
12104 * rtl.h (rtx_code_size): New variable.
12105 (rtx_size): Change from a variable to a function.
12106 (RTX_SIZE): Rename to...
12107 (RTX_CODE_SIZE): ...this.
12110 PR tree-optimization/17106
12111 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
12112 (Anchored Addresses): New section.
12113 * doc/invoke.texi (-fsection-anchors): Document.
12114 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
12115 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
12116 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
12117 * hooks.c (hook_bool_mode_rtx_false): New function.
12118 * hooks.h (hook_bool_mode_rtx_false): Declare.
12119 * gengtype.c (create_optional_field): New function.
12120 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
12121 SYMBOL_REF_IN_BLOCK_P is true.
12122 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
12123 (min_anchor_offset, max_anchor_offset): Likewise.
12124 (use_anchors_for_symbol_p): New hook.
12125 * toplev.c (compile_file): Call output_object_blocks.
12126 (target_supports_section_anchors_p): New function.
12127 (process_options): Check that -fsection-anchors is only used on
12128 targets that support it and when -funit-at-a-time is in effect.
12129 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
12130 if the decl doesn't have one.
12131 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
12132 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
12133 of force_const_mem through use_anchored_address.
12134 (expand_expr_constant): New function.
12135 (expand_expr_addr_expr_1): Call it. Use the same modifier when
12136 calling expand_expr for INDIRECT_REF.
12137 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
12138 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
12139 * expr.h (use_anchored_address): Declare.
12140 * loop-unroll.c: Don't declare rtx vectors here.
12141 * explow.c: Include output.h.
12142 (validize_mem): Call use_anchored_address.
12143 (use_anchored_address): New function.
12144 * common.opt (-fsection-anchors): New switch.
12145 * varasm.c (object_block_htab, anchor_labelno): New variables.
12146 (hash_section, object_block_entry_eq, object_block_entry_hash)
12147 (use_object_blocks_p, get_block_for_section, create_block_symbol)
12148 (use_blocks_for_decl_p, change_symbol_section): New functions.
12149 (get_variable_section): New function, split out from assemble_variable.
12150 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
12151 use_blocks_for_decl_p say so. Use change_symbol_section if the
12152 symbol has already been created.
12153 (assemble_variable_contents): New function, split out from...
12154 (assemble_variable): ...here. Don't output any code for
12155 block symbols; just pass them to place_block_symbol.
12156 Use get_variable_section and assemble_variable_contents.
12157 (get_constant_alignment, get_constant_section, get_constant_size): New
12158 functions, split from output_constant_def_contents.
12159 (build_constant_desc): Create a block symbol if use_object_blocks_p
12160 says so. Or into SYMBOL_REF_FLAGS.
12161 (assemble_constant_contents): New function, split from...
12162 (output_constant_def_contents): ...here. Don't output any code
12163 for block symbols; just pass them to place_section_symbol.
12164 Use get_constant_section and get_constant_alignment.
12165 (force_const_mem): Create a block symbol if use_object_blocks_p and
12166 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
12167 (output_constant_pool_1): Add an explicit alignment argument.
12168 Don't switch sections here.
12169 (output_constant_pool): Adjust call to output_constant_pool_1.
12170 Switch sections here instead. Don't output anything for block symbols;
12171 just pass them to place_block_symbol.
12172 (init_varasm_once): Initialize object_block_htab.
12173 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
12174 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
12175 (place_block_symbol, get_section_anchor, output_object_block)
12176 (output_object_block_htab, output_object_blocks): New functions.
12177 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
12178 (TARGET_ASM_OUT): Include it.
12179 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
12180 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
12181 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
12182 (TARGET_INITIALIZER): Include them.
12183 * rtl.c (rtl_check_failed_block_symbol): New function.
12184 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
12185 (block_symbol, object_block): New structures.
12186 (rtx_def): Add a block_symbol field to the union.
12187 (BLOCK_SYMBOL_CHECK): New macro.
12188 (rtl_check_failed_block_symbol): Declare.
12189 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
12190 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
12191 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
12192 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
12193 * output.h (output_section_symbols): Declare.
12194 (object_block): Name structure.
12195 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
12196 (default_use_anchors_for_symbol_p): Declare.
12197 * Makefile.in (RTL_BASE_H): Add vec.h.
12198 (explow.o): Depend on output.h.
12199 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
12200 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
12201 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
12202 (rs6000_use_blocks_for_constant_p): New function.
12204 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12206 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
12208 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
12211 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
12214 2006-02-18 Diego Novillo <dnovillo@redhat.com>
12216 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
12220 2006-02-18 Jakub Jelinek <jakub@redhat.com>
12222 PR middle-end/26334
12223 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
12224 instead of DECL_REGISTER.
12226 2006-02-18 Olivier Hainque <hainque@adacore.com>
12229 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
12231 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
12234 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
12235 * opth-gen.awk: Handle Var and InverseMask together.
12236 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
12237 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
12238 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
12239 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
12241 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
12242 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
12243 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
12244 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12245 LINUX_DYNAMIC_LINKER): Define.
12246 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
12247 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
12249 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12250 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
12251 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12252 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12253 (TARGET_C99_FUNCTIONS): Don't define.
12254 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
12255 GLIBC_DYNAMIC_LINKER.
12256 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
12257 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
12258 GLIBC_DYNAMIC_LINKER64): Define.
12259 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
12260 LINUX_DYNAMIC_LINKER64.
12261 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12262 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12263 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
12264 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12265 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12266 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12267 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
12268 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
12269 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
12270 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
12271 and LINUX_DYNAMIC_LINKER32.
12272 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12273 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12274 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
12275 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12276 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
12278 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
12279 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
12280 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
12281 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12282 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
12283 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
12284 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
12285 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
12286 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12287 LINUX_DYNAMIC_LINKER): Define.
12288 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
12289 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
12290 GLIBC_DYNAMIC_LINKER64): Define.
12291 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
12292 LINUX_DYNAMIC_LINKER64.
12293 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12294 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12295 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
12296 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12297 LINUX_DYNAMIC_LINKER): Define.
12298 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12299 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
12300 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
12301 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
12302 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
12303 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
12304 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
12305 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
12306 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
12307 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12308 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12309 * doc/invoke.texi (-muclibc): Remove caveat about supported
12312 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
12314 * doc/cpp.texi (__TIMESTAMP__): Document.
12316 2006-02-17 Roger Sayle <roger@eyesopen.com>
12318 PR middle-end/25600
12319 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
12320 C is one less than the width of X (and related transformations).
12321 * simplify-rtx.c (simplify_unary_operation_1): Transform
12322 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
12323 depending on STORE_FLAG_VALUE, were C is one less then the
12326 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
12328 Fix PR tree-optimization/26341
12329 * tree-ssa-operands.c (add_virtual_operand): Remove assert
12330 about NAME_MEMORY_TAG's.
12332 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12335 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
12336 with hardware float support, and software float support. Add fcpy
12337 alternative to hardware patterns. Add alternatives to copy between
12338 general and floating-point registers to the 32-bit pattern.
12339 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
12340 secondary reload to load a QI or HI mode constant into a floating
12342 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
12343 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
12345 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
12348 * config/rs6000/darwin.md (load_macho_picbase_si): Add
12350 (load_macho_picbase_di): Likewise.
12352 2006-02-16 Jeff Law <law@redhat.com>
12354 * tree-vrp.c (set_value_range_to_nonnegative): New function.
12355 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
12356 (ssa_name_nonzero_p): Likewise.
12357 (get_value_range): Return NULL if VRP is not running.
12358 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
12359 VRP routines do not discover a range.
12360 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
12361 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
12362 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
12363 (tree_expr_nonnegative_p): Similarly.
12364 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
12365 (restore_nonzero_vars_to_original_value): Remove.
12366 (unsafe_associative_fp_binop): Remove.
12367 (tree_ssa_dominator_optimize): Remove initialization and
12368 finalization of nonzero_vars and nonzero_vars_stack.
12369 (dom_opt_initialize_block): No longer push marker on
12370 nonzero_vars_stack.
12371 (dom_opt_finalize_block): No longer call
12372 restore_nonzero_vars_to_original_value.
12373 (record_equivalences_from_phis): No longer look for
12374 nonzero PHI arguments.
12375 (cprop_into_successor_phis): No longer propagate nonzero
12376 property into PHI arguments. Lose unused argument. Caller
12378 (record_equivalences_from_stmt): No longer record nonzero
12379 values for SSA_NAMEs.
12380 (lookup_avail_expr): No longer use nonzero_vars.
12382 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
12383 for sizetype when sizetype is unsigned.
12385 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
12387 PR rtl-optimization/25603
12388 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
12389 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
12390 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
12391 with new meaning of SETS.
12393 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
12398 * config/linux.opt: New file.
12399 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
12400 LINUX_DYNAMIC_LINKER): Define.
12401 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
12402 * config.gcc (*-*-linux*): Define extra_options.
12403 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
12404 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
12405 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
12406 GLIBC_DYNAMIC_LINKER.
12407 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
12408 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12409 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12410 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12411 * doc/invoke.texi (GNU/Linux Options): New section.
12413 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
12415 * config/sparc/sparc.md (setjmp): Rewrite.
12416 (setjmp_32): Delete.
12417 (setjmp_64): Likewise.
12419 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
12421 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
12424 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
12426 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
12429 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
12431 PR rtl-optimization/26296
12432 * Makefile.in (loop-invariant.c): Add except.h dependency.
12433 * loop-invariant.c: Include except.h.
12434 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
12436 2005-02-16 Paul Brook <paul@codesourcery.com>
12438 * reload1.c (emit_reload_insns): Invalidate dead input registers used
12441 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
12443 PR rtl-optimization/25636
12444 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
12445 when deciding whether an insn is an initializing insn.
12447 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
12449 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
12450 (tree_code_size): Ditto.
12451 * tree.h (struct tree_memory_tag): Remove parent_var.
12452 (struct tree_struct_field_tag): New.
12455 (union tree_node): Add sft member.
12456 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
12458 (create_sft): Add size and offset argument, set SFT_OFFSET and
12460 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
12461 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
12462 * tree-flow-inline.h (get_subvar_at): Update for
12463 SFT_OFFSET/SFT_SIZE.
12464 (var_can_have_subvars): Ditto.
12465 (overlap_subvar): Ditto.
12466 * print-tree.c (print_node): Print out interesting things for
12468 * tree-flow.h (struct subvar): Remove offset and size members.
12469 * tree-ssa-operands.c (get_expr_operands): Update for
12470 get_indirect_ref_operands changes.
12471 (get_indirect_ref_operands): Call add_virtual_operand instead of
12472 add_stmt_operand. Only recurse on base var if requested.
12473 (access_can_touch_variable): New function.
12474 (add_stmt_operand): Split virtual operand handling into ...
12475 (add_virtual_operand): Here. Add offset, size, and for_clobber
12476 arguments. Prune alias sets.
12477 (add_call_clobber_ops): Call add_virtual_operand.
12479 2006-02-15 Jakub Jelinek <jakub@redhat.com>
12481 PR middle-end/26300
12482 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
12484 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
12485 than TREE_CODE as index into omp_clause_num_ops array.
12487 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
12489 PR rtl-optimization/26184
12490 * modulo-sched.c (generate_reg_moves): Free bitmap vector
12492 * modulo-sched.c (sms_schedule): Free g_arr pointer.
12493 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
12494 must_precede, must_follow and tobe_scheduled.
12497 * opts.c (common_handle_option): Free new_option pointer.
12498 * df-core.c (df_analyze): Free postorder pointer.
12500 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
12502 * Makefile.in: Fix the examples about the use of stamps
12504 2006-02-15 Michael Matz <matz@suse.de>
12506 PR middle-end/22275
12508 * stor-layout.c (layout_decl): Zero-width bitfields aren't
12509 influenced by maximum_field_alignment or DECL_PACKED.
12510 (update_alignment_for_field): Ditto.
12511 (place_field): Ditto.
12512 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
12515 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
12517 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
12518 (debug_flow_info): Pass it.
12519 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
12520 * bb-reorder.c (reorder_basic_blocks): Likewise.
12521 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
12522 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
12523 * flow.c (life_analysis, recompute_reg_usage): Likewise.
12524 * gcse.c (gcse_main, bypass_jumps): Likewise.
12525 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
12526 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
12527 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
12528 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
12529 * rtl.h (dump_flow_info): Adjust prototype.
12530 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
12531 * var-tracking.c (variable_tracking_main): Likewise.
12532 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
12533 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
12536 2006-02-15 Marcin Dalecki <martin@dalecki.de>
12538 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
12541 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
12543 PR tree-optimization/26209
12544 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
12545 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
12547 * tree-cfg.c (replace_uses_by): Do not alter cfg.
12549 2006-02-14 Roger Sayle <roger@eyesopen.com>
12551 PR middle-end/23670
12552 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
12553 (X,Y) and the corresponding symmetry related transformations.
12554 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
12555 (X,Y) and its symmetry related transformations.
12557 2006-02-14 Roger Sayle <roger@eyesopen.com>
12559 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
12562 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
12564 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
12566 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
12569 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
12570 support COMDAT group.
12571 * configure: Regenerate.
12573 2006-02-14 Roger Sayle <roger@eyesopen.com>
12575 PR middle-end/26279
12576 PR middle-end/26280
12577 PR middle-end/26283
12578 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
12580 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
12582 Fix PR tree-optimization/26260
12584 * doc/invoke.texi (max-fields-for-field-sensitive): Document
12586 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
12587 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
12588 * tree-ssa-structalias.c (create_variable_info_for): Use
12589 MAX_FIELDS_FOR_FIELD_SENSITIVE.
12591 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
12593 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
12595 * tree-ssa-loop-niter.c (number_of_iterations_ne,
12596 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
12597 of the ending condition.
12598 * tree-ssa-loop-manip.c: Include params.h.
12599 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
12600 tree_unroll_loop): New functions.
12601 * tree-pass.h (pass_loop_prefetch): Declare.
12602 * loop.c (rest_of_handle_loop_optimize): Test for
12603 -fprefetch-loop-arrays-rtl.
12604 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
12605 * timevar.def (TV_TREE_PREFETCH): New timevar.
12606 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
12607 pass_loop_prefetch): New.
12608 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
12609 (cleanup_tree_cfg_loop): Call scev_reset.
12610 * common.opt (fprefetch-loop-arrays-rtl): Add.
12611 * tree-ssa-loop-prefetch.c: New file.
12612 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
12613 (new_temp_expr_table): Initialize expr_vars.
12614 (free_temp_expr_table): Cleanup expr_vars.
12615 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
12616 expressions from being merged into one.
12617 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
12618 (struct tree_niter_desc): Add control, bound and cmp fields.
12619 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
12621 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
12622 (tree-cfgcleanup.o): Add SCEV_H dependency.
12623 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
12624 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
12626 2006-02-14 Richard Guenther <rguenther@suse.de>
12628 PR tree-optimization/26258
12629 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
12630 in PHI argument processing.
12632 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
12634 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
12635 new expression in the requested machine mode.
12637 2006-02-13 Roger Sayle <roger@eyesopen.com>
12639 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
12640 directly, instead let do_compare_rtx_and_jump handle this for us.
12641 * expr.c (expand_expr_real_1): Likewise.
12642 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
12643 before do_jump_by_parts_greater.
12644 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
12645 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
12647 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12649 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
12651 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
12653 PR rtl-optimization/26235
12654 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
12655 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
12658 2006-02-13 Jeff Law <law@redhat.com>
12660 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
12663 2006-02-13 Jakub Jelinek <jakub@redhat.com>
12665 PR middle-end/26092
12666 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
12667 twice if decl is a builtin. When trying again, call get_callee_fndecl
12668 first to verify it is still a builtin.
12670 2006-02-13 Geoffrey Keating <geoffk@apple.com>
12672 * dwarf2out.c (base_type_die): Don't add AT_name here.
12673 (subrange_type_die): Don't add AT_name here.
12674 (modified_type_die): Rearrange code flow. Do add AT_name here.
12676 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
12678 PR rtl-optimization/26247
12679 PR rtl-optimization/26248
12680 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
12682 2006-02-13 Richard Sandiford <richard@codesourcery.com>
12684 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
12685 * config/fixtfdi.c: Likewise.
12686 * config/fixunstfdi.c: Likewise.
12687 * config/floatditf.c: Likewise.
12689 2006-02-13 Roger Sayle <roger@eyesopen.com>
12691 PR middle-end/24427
12692 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
12693 into (X,C2) if C1 is a subset of the bits of C2. Transform
12694 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
12696 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
12698 2006-02-13 Josh Conner <jconner@apple.com>
12701 * varasm.c (function_section): Check for section name before
12702 calling select_section on targets that define
12703 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
12704 unlikely_text_section instead of hot_function_section if
12705 first_function_block_is_cold.
12707 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
12709 PR middle-end/25335
12710 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
12712 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12714 PR rtl-optimization/26222
12715 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
12716 after tree->rtl expansion.
12717 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
12718 before passing it to emit_move_insn.
12720 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
12722 * doc/invoke.texi (-Write-strings): Document that it is enabled by
12724 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
12725 Clarify documentation.
12726 * c-common.h (warn_write_strings): Remove.
12727 * c-common.c (warn_write_strings): Likewise.
12728 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
12731 2006-02-12 Roger Sayle <roger@eyesopen.com>
12733 PR middle-end/25724
12734 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
12735 (do_jump_parts_zero_rtx): New function renamed from
12736 do_jump_parts_equality_rtx. Made static. Add a mode argument.
12737 (do_jump_parts_equality_rtx): New function split out from
12738 do_jump_parts_equality. Old implementation renamed as above.
12739 Call do_jump_parts_zero_rtx if either operand is zero.
12740 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
12741 do all of the heavy lifting.
12742 (do_compare_rtx_and_jump): Handle multi-word comparisons by
12743 calling either do_jump_by_parts_greater_rtx or
12744 do_jump_by_parts_equality_rtx.
12745 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
12746 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
12747 moved to do_compare_rtx_and_jump, call it directly.
12748 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
12749 mode argument. Call do_compare_rtx_and_jump.
12750 (emit_case_nodes): Update calls to do_jump_if_equal.
12752 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12754 PR rtl-optimization/26225
12755 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
12757 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12759 PR rtl-optimization/26232
12760 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
12762 2006-02-11 Jason Merrill <jason@redhat.com>
12765 * tree-inline.c (declare_return_variable): Just don't use the
12766 modify target if it's a gimple complex reg and the return slot
12769 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12771 * doc/contrib.texi: Update my entry.
12773 2006-02-10 Geoffrey Keating <geoffk@apple.com>
12775 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
12777 2006-02-10 Diego Novillo <dnovillo@redhat.com>
12779 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
12782 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
12784 * doc/invoke.texi (-floop-optimize2): Removed.
12785 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
12786 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
12787 Test flag_branch_on_count_reg only if HAVE_doloop_end.
12788 * common.opt (floop-optimize2): Removed.
12789 (fmove-loop-invariants): Enabled by default.
12791 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
12793 * tree-if-conv.c (combine_blocks): Free the result of
12794 get_loop_exit_edges.
12796 2006-02-10 Jeff Law <law@redhat.com>
12798 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
12800 PR tree-optimization/26213
12801 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
12802 loop trying to follow SSA_NAME_VALUE chains.
12804 2006-02-10 Richard Guenther <rguenther@suse.de>
12806 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
12807 deal with structures that end in implicitly variable sized arrays.
12809 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
12811 PR rtl-optimization/24762
12812 * df-scan.c (df_bb_refs_record): Record correct registers defined on
12815 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
12817 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
12818 (struct ivopts_data): Add regs_used field.
12819 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
12820 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
12821 instead of loop_data->regs_used;
12822 (free_loop_data): Do not free aux fields for loops.
12823 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
12824 and tree_ssa_iv_optimize_finalize.
12826 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
12828 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
12830 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
12833 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
12834 computing the effective result type.
12836 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
12838 PR inline-asm/16194
12839 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
12840 (tree_overlaps_hard_reg_set): Declare.
12841 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
12842 type and signature to match function type expected by walk_tree.
12843 (tree_overlaps_hard_reg_set): New function.
12844 (decl_conflicts_with_clobbers_p): Rename to:
12845 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
12846 Use tree_overlaps_hard_reg_set. Changed caller.
12847 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
12848 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
12849 * cris.c (cris_md_asm_clobbers): Likewise.
12851 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
12853 * reload1.c (emit_input_reload_insns): Delete code that tries to
12854 inherit using find_equiv_reg.
12856 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
12858 * c-common.h (flag_const_strings): Don't declare.
12859 * c-common.c (flag_const_strings): Remove.
12860 * c.opt (fconst_strings): Remove.
12861 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
12862 <OPT_Wwrite_strings>: Don't set flag_const_strings.
12863 (c_common_init_options): Don't set flag_const_strings.
12864 * doc/invoke.texi (-fno-const-strings): Remove documentation.
12866 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
12868 * arm.md (tlobits_cbranch): New pattern.
12869 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
12870 testing a single bit.
12872 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12875 * tree-ssa-pre.c (create_component_ref_by_pieces):
12876 Handle RETURN_DECL like VAR_DECL.
12878 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12880 PR middle-end/26134
12881 * fold-const.c (fold_indirect_ref_1): Fold
12882 "*(foo *)&complexfoo" to "__real__ complexfoo"
12883 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
12885 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12887 * tree-flow-inline.h (var_can_have_subvars):
12888 Volatile variables should not have subvariables.
12890 2006-02-09 Diego Novillo <dnovillo@redhat.com>
12893 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
12894 multiplying unsigned values.
12897 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
12899 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
12901 2006-02-08 Jason Merrill <jason@redhat.com>
12904 * tree.def: Elaborate on difference from MODIFY_EXPR.
12905 * doc/c-tree.texi (INIT_EXPR): Likewise.
12906 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
12907 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
12908 (gimplify_target_expr): Likewise.
12909 (gimplify_cond_expr): Remove target handling.
12910 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
12911 (gimplify_expr): Clobber it here.
12912 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
12913 Do return slot optimization if we have an INIT_EXPR.
12916 * tree-inline.c (declare_return_variable): Also clear
12917 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
12920 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
12922 PR middle-end/22439
12923 * gimplify.c (gimplify_one_sizepos): Fix typo.
12925 2006-02-08 Jeff Law <law@redhat.com>
12927 PR tree-optimization/21417
12928 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
12929 across a backedge if the control statement at the end of the
12930 block is data dependent on other statements in the same block.
12931 (record_temporary_equivalences_from_stmts): Remove over-conservative
12932 test for threading across backedges.
12934 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
12935 control statement, handle all three special cases in the same
12936 manner as they all have the same desired solution. No longer
12937 special case edge flag updating when the post dominator is
12940 2006-02-08 Roger Sayle <roger@eyesopen.com>
12942 * tree.def (CHAR_TYPE): Remove.
12943 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
12944 * dwarf2out.c (base_type_die, is_base_type): Likewise.
12945 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
12946 (gen_string_type_die): Delete unreachable function.
12948 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
12949 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
12950 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
12951 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
12952 * builtins.c (type_to_class): Likewise.
12953 * fold-const.c (fold_convert, build_range_check,
12954 merge_ranges): Likewise.
12955 * expr.c (count_type_elements): Likewise.
12956 * c-pretty-print.c (pp_c_type_specifier): Likewise.
12957 * stor-layout.c (layout_type): Likewise.
12958 * ipa-type-escape.c (type_to_consider): Likewise.
12959 * gimplify.c (omp_firstprivatize_type_sizes,
12960 gimplify_type_sizes): Likewise.
12961 * explow.c (promote_mode): Likewise.
12962 * tree-sra.c (is_sra_scalar_type): Likewise.
12963 * varasm.c (output_constant): Likewise.
12964 * tree-inline.c (remap_type_1): Likewise.
12965 * convert.c (convert_to_pointer, convert_to_real,
12966 convert_to_integer, convert_to_complex): Likewise.
12968 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
12970 * df-scan.c (df_def_record_1): A set destination may
12971 be a parallel regardless of mode.
12973 2006-02-08 Roger Sayle <roger@eyesopen.com>
12976 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
12977 * config/mips/_tilib.c: Remove.
12978 * config/fixtfdi.c: New libgcc source file.
12979 * config/fixunstfdi.c: New source file.
12980 * config/floatditf.c: New source file.
12981 * config/floatunditf.c: New souce file.
12982 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
12983 files above instead of config/mips/_tilib.c.
12984 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
12986 2006-02-08 Jeff Law <law@redhat.com>
12988 PR tree-optimization/26169
12989 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
12992 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
12994 * df.h (DF_REG_SIZE): Return the length of the initialized
12997 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
12999 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
13000 __muldf3): Return a correctly signed zero.
13002 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
13004 * passes.c (register_one_dump_file): Accept the current properties
13005 instead of pass number. Adjust call to dump_register. Remove
13007 (register_dump_files): Now a wrapper around...
13008 (register_dump_files_1): ... this one. Do not modify the pass
13010 (next_pass_1): Cosmetic fix.
13011 (execute_todo): Keep second parameter only. Use curr_properties
13012 instead of fetching it from the pass structure. Check and set
13014 (execute_one_pass): Handle TODO_set_props. Use curr_properties
13015 instead of fetching it from the pass structure. Fix calls to
13016 execute_todo. Update curr_properties and initialize .vcg RTL dump
13017 after running the pass. Reset last_verified.
13018 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
13020 (FIRST_AUTO_NUMBERED_DUMP): New.
13021 (dump_register): Remove "num" parameter, assign it within the
13023 (get_dump_file_name): Modify template for dumps.
13024 * tree-dump.h (dump_register): Adjust prototype.
13025 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
13026 (PROP_trees): Add PROP_gimple_lomp.
13027 (TODO_set_props): New.
13028 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
13029 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
13030 * cfgexpand.c (pass_expand): Destroy PROP_trees.
13032 2006-02-08 Jakub Jelinek <jakub@redhat.com>
13034 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
13035 (sparc64-*-linux*): Likewise.
13036 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
13037 * config/sparc/t-linux: New file.
13038 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
13039 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
13040 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
13041 -m32 -mlong-double-128.
13043 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
13044 * config/alpha/t-linux: New file.
13045 * config/alpha/libgcc-alpha-ldbl.ver: New file.
13047 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
13048 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
13049 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
13050 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
13051 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
13052 (CPP_ARCH32_SPEC): Remove.
13054 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
13056 PR tree-optimization/26145
13057 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
13060 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13063 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
13064 >= 240000 when generating code for SOM runtime.
13065 (output_indirect_call): Don't use "b,l" instruction for indirect calls
13066 to $$dyncall when generating code for SOM runtime..
13068 2006-02-07 Dirk Mueller <dmueller@suse.com>
13071 * doc/invoke.texi (-Wsequence-point): Update documentation
13072 that -Wsequence-point is implemented for C++ as well.
13074 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
13076 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
13077 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
13078 (LIB_SPEC): Likewise.
13079 * doc/invoke.texi (SPARC options): Document -pthread.
13081 2006-02-07 Geoffrey Keating <geoffk@apple.com>
13083 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
13086 2006-02-07 Roger Sayle <roger@eyesopen.com>
13088 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
13089 Correct comment describing BOOLEAN_TYPE.
13091 2006-02-07 Dirk Mueller <dmueller@suse.com>
13093 * c.opt: C++ frontend supports -Wdiv-by-zero.
13094 * c-opts.c (c_common_handle_option): Remove dead case.
13096 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
13098 * configure.ac (TLS assembler check): Do not enable TLS by
13099 default on SPARC/Solaris before version 10.
13100 * configure: Regenerate.
13102 2006-02-07 David Edelsohn <edelsohn@gnu.org>
13104 * doc/invoke.texi (xl-compat): Document conversion and support
13107 2006-02-07 Jeff Law <law@redhat.com>
13109 * tree-vrp.c (find_conditional_asserts): Update comments.
13110 (simplify_stmt_for_jump_threading): New.
13111 (identify_jump_threads, finalize_jump_threads): New.
13112 (vrp_finalize): Call identify_jump_threads.
13113 (execute_vrp): Call finalize_jump_threads.
13114 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
13115 (vrp_element, vrp_data, vrp_element_p): Remove.
13116 (vrp_hash_elt, vrp_variables_stack): Remove.
13117 (vrp_hash, vrp_eq, record_range): Remove.
13118 (simplify_cond_and_lookup_avail_expr): Remove.
13119 (extract_range_from_cond): Remove.
13120 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
13121 (simplify_stmt_for_jump_threading): New.
13122 (dom_thread_across_edge): New wrapper.
13123 (tree_ssa_dominator_optimize): No longer initialize or
13124 finalize any of the VRP datastructures. Remove iteration
13125 step and simplify as a result of removal of iteration step.
13126 (pass_dominator): Perform a cfg cleanup after DOM.
13127 (dom_opt_finalize_block): Use the new common routines
13128 for threading jumps. Simplify stack management slightly.
13129 No longer need to unwind VRP state.
13130 (record_equivalences_from_incoming_edge): No longer record
13132 (eliminate_redundant_computations): No longer call
13133 simplify_cond_and_lookup_avail_expr.
13134 * tree-flow.h (potentially_threadable_block): Prototype.
13135 (thread_across_edge): Likewise.
13136 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
13137 (tree-ssa-threadedge.o): Add dependencies.
13138 * tree-ssa-threadedge.c: New file.
13139 * passes.c (init_optimization_passes): Merge PHIs before
13140 calling VRP. Run VRP again late in the SSA optimization pipeline.
13142 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
13144 * df-core.c (df_set_blocks): Do not dereference function pointers.
13145 (df_finish1): Likewise.
13146 (df_hybrid_search_forward): Likewise.
13147 (df_hybrid_search_backward): Likewise.
13148 (df_iterative_dataflow): Likewise.
13149 (df_analyze_problem): Likewise.
13150 (df_compact_blocks): Likewise.
13151 (df_dump): Likewise.
13152 * df-scan.c (df_rescan_blocks): Likewise.
13153 (df_record_entry_block_defs): Likewise.
13155 * genconditions.c (write_conditions): Guard the definition of
13156 'insn_conditions' with the check on GCC version.
13157 (write_writer): Guard the traversal 'insn_conditions' with
13158 the check on GCC version.
13160 2006-02-07 Richard Guenther <rguenther@suse.de>
13164 2006-01-30 Richard Guenther <rguenther@suse.de>
13166 * gimplify.c (gimplify_target_expr): Handle easy cases
13167 without creating a temporary.
13169 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
13171 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
13172 use of float in probability computations. Use edge probabilities
13173 in place of statically computed probabilities.
13174 (min_spec_prob): New static variable.
13175 (schedule_insns): Initialize it.
13176 (GET_SRC_PROB): Removed.
13177 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
13179 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
13182 * config/ia64/unwind-ia64.c: Revert last change.
13183 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
13184 (INCOMING_FRAME_SP_OFFSET): Define.
13186 2006-02-06 Roger Sayle <roger@eyesopen.com>
13188 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
13190 2006-02-07 Ben Elliston <bje@au.ibm.com>
13192 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
13193 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
13194 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
13195 (ix86_return_in_memory): Handle TDmode.
13196 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
13197 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
13199 2006-02-06 Richard Sandiford <richard@codesourcery.com>
13201 * reorg.c (dbr_schedule): Use dump_file instead of file.
13203 2006-02-06 Steve Ellcey <sje@cup.hp.com>
13206 * config/ia64/predicates.md (extr_len_operand): New predicate.
13207 * config/ia64/ia64.md (extv): Tighten constraints.
13209 (*tbit_and_2): Ditto.
13210 (*tbit_and_3): Ditto.
13211 (*tbit_or_2): Ditto.
13212 (*tbit_or_3): Ditto.
13213 (*bit_zero): Ditto.
13216 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
13219 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
13221 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
13223 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
13224 loop_optimizer_init and loop_optimizer_finalize
13225 * tree-ssa-sink.c (execute_sink_code): Ditto.
13226 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
13227 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
13228 tree_ssa_loop_done): Ditto.
13229 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
13230 * sched-ebb.c: Include output.h.
13231 (schedule_ebbs): Do not use dump argument.
13232 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
13233 * loop.c (loop_dump_stream): Removed.
13234 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
13236 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
13237 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
13238 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
13239 loop_iterations, strength_reduce, record_biv, record_giv,
13240 final_giv_value, check_final_value, check_ext_dependent_givs,
13241 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
13242 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
13243 dump_file instead of loop_dump_stream.
13244 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
13245 argument dump_file.
13246 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
13248 * flow.c (life_analysis, rest_of_handle_life): Ditto.
13249 * haifa-sched.c: Include output.h
13250 (schedule_insns, sched_init): Do not use dump argument.
13251 * mode-switching.c (optimize_mode_switching): Ditto.
13252 * modulo-sched.c (stats_file): Removed.
13253 (print_node_sched_params): Do not call argument dump_file.
13254 (sms_schedule_by_order, loop_canon_p, sms_schedule,
13255 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
13257 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
13259 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
13260 rtl_loop_init, rtl_loop_done): Ditto.
13261 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
13262 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
13264 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
13265 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
13266 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
13267 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
13268 * emit-rtl.c (renumber_insns): Ditto.
13269 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
13270 expand_gimple_basic_block, tree_expand_cfg): Ditto.
13271 * regclass.c (regclass): Ditto.
13272 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
13273 remove_ssa_form, rewrite_out_of_ssa): Ditto.
13274 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
13275 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
13277 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
13278 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
13280 * gcse.c (gcse_file, debug_stderr): Removed.
13281 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
13282 rest_of_handle_gcse): Do not use dump argument.
13283 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
13284 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
13285 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
13286 compute_code_hoist_vbeinout, compute_code_hoist_data,
13287 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
13288 compute_store_table, build_store_vectors, insert_insn_start_bb,
13289 insert_store, remove_reachable_equiv_notes, replace_store_insn,
13290 store_motion): Use dump_file instead of gcse_file.
13291 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
13292 * profile.c (profile_dump_file): Removed.
13293 (branch_prob): Use dump_file instead of profile_dump_file.
13294 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
13296 * tree-ssa-copy.c (dump_copy_of): Ditto.
13297 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
13298 dump file to life_analysis.
13299 * bt-load.c (branch_target_load_optimize): Ditto.
13300 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
13302 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
13303 regclass, dbr_schedule): Declaration changed.
13304 * sched-int.h (sched_init): Declaration changed.
13305 * tree-profile.c (tree_profile_dump_file): Removed.
13306 (tree_profile_hooks): Removed profile_dump_file hook.
13307 * rtl-profile (rtl_profile_dump_file): Removed.
13308 (rtl_profile_hooks): emoved profile_dump_file hook.
13309 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
13311 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
13312 * tree-cfg.c (build_tree_cfg): Ditto.
13313 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
13314 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
13315 Declaration changed.
13316 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
13317 life_analysis and schedule_insns.
13318 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
13320 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
13322 * config/mips/mips.c (mips_reorg): Ditto.
13323 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
13326 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
13328 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
13329 (s390_mangle_fundamental_type): New.
13330 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13333 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
13334 (alpha_mangle_fundamental_type): New.
13335 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13338 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13340 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13342 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
13343 (sparc_mangle_fundamental_type): New.
13345 2006-02-06 Jakub Jelinek <jakub@redhat.com>
13347 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
13348 (s390x-*-linux*): Likewise.
13349 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
13350 * config/s390/t-linux: New file.
13352 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
13354 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
13355 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
13357 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
13359 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
13360 (ANTIC_SAFE_LOADS): New macro.
13361 (find_or_generate_expression): Add prototype.
13362 (set_contains_value): Allow null set for sake of not always having
13363 to allocate ANTIC_SAFE_LOADS.
13364 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
13365 Allow COMPONENT_REF too.
13366 (valid_in_set): Allow COMPONENT_REF.
13367 Check ANTIC_SAFE_LOADS too.
13368 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
13369 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
13371 (can_PRE_operation): Add COMPONENT_REF.
13372 (create_component_ref_by_pieces): New function.
13373 (create_expression_by_pieces): Use create_component_ref_by_pieces.
13374 (insert_aux): Move AGGREGATE_TYPE_P check here.
13375 (compute_avail): Set bb local stmt uids.
13376 (pass_pre): Use TODO_update_ssa_only_virtuals.
13378 2006-02-06 Ben Elliston <bje@au.ibm.com>
13380 * configure.ac: Unconditionally disable decimal float by default.
13381 * configure: Regenerate.
13383 2006-02-06 Ben Elliston <bje@au.ibm.com>
13385 * read-rtl.c (read_name): Terminate reading on EOF.
13387 2006-02-06 Ben Elliston <bje@au.ibm.com>
13389 * dfp.c (decimal_real_arithmetic): Change second argument type
13390 from int to enum tree_code. Do not always return true, but now
13391 return result of any call to decimal_do helper functions.
13392 * dfp.h (decimal_real_arithmetic): Update prototype.
13394 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
13396 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
13398 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
13401 * tree-cfg.c (cleanup_dead_labels): Also don't remove
13404 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
13406 * tree-vrp.c (cfg_loops): Removed.
13407 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
13408 Use current_loops instead of cfg_loops. Pass flags to
13409 loop_optimizer_init.
13410 * cfgloopmanip.c (fix_loop_structure): Update only available
13412 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
13413 loop_optimizer_init.
13414 * modulo-sched.c (build_loops_structure): Removed.
13415 (sms_schedule): Use loop_optimizer_init.
13416 * loop-init.c (loop_optimizer_init): Use flags to determine
13417 which properties of loops to prepare.
13418 (rtl_loop_init): Pass flags to loop_optimizer_init.
13419 * tree-ssa-sink.c (execute_sink_code): Ditto.
13420 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
13421 * tree-ssa-pre.c (init_pre): Ditto.
13422 * cfgloop.h (LOOPS_NORMAL): New.
13423 (loop_optimizer_init): Declaration changed.
13425 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13427 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
13428 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
13430 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
13432 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
13434 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
13435 * pa/t-pa64: Delete quadlib.c rule.
13436 * pa/x-ada: Revert last change.
13437 * pa/t-pa: Revert last change. Delete quadlib.c rule.
13439 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
13441 PR rtl-optimization/26087
13442 * rtlanal.c (canonicalize_condition): Do not cross basic block
13445 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
13448 * config/ia64/ia64.c: Include debug.h.
13449 (MAX_ARTIFICIAL_LABEL_BYTES): New.
13450 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
13451 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
13452 (process_epilogue, process_set, process_for_unwind_directive):
13453 Output unwind info only if requested. Add CFA info if requested.
13454 Add new arguments as needed. Adjust callers.
13455 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
13457 (DWARF2_FRAME_INFO): Define to zero.
13458 * config/ia64/unwind-ia64.c: Remove code that compensated for
13459 the CFA offset error fixed above.
13460 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
13461 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
13462 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
13463 -funwind-tables and -fexceptions to enable frame info.
13464 (dwarf2out_frame_init): Define initial CFA even if
13465 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
13466 DWARF2_UNWIND_INFO is nonzero, not just defined.
13467 (dwarf2out_frame_finish): Output non-EH call frame info only
13468 if DWARF2_FRAME_INFO is nonzero.
13469 (convert_cfa_to_loc_list,
13470 compute_frame_pointer_to_cfa_displacement): Define even if
13471 unwind info is not supported.
13472 (gen_subprogram_die): Use the above unconditionally. Remove
13473 legacy alternate code.
13474 * toplev.c (compile_file): Compile in call to
13475 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
13476 (lang_dependent_init): Ditto for dwarf2out_frame_init.
13478 2006-02-04 David Edelsohn <edelsohn@gnu.org>
13479 Jakub Jelinek <jakub@redhat.com>
13481 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
13482 IBM extended float format long double as "g" on powerpc*-linux.
13484 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13487 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
13488 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
13490 2006-02-03 Jason Merrill <jason@redhat.com>
13493 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
13495 PR middle-end/25977
13496 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
13497 on the return slot if it's an NRV.
13499 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
13501 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
13502 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
13503 rewrite_use): Do not handle USE_OUTER.
13504 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
13505 add_iv_outer_candidates, may_replace_final_value,
13506 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
13507 (find_interesting_uses_op): Functionality of
13508 find_interesting_uses_outer_or_nonlin moved here.
13509 (find_interesting_uses_outside): Use find_interesting_uses_op.
13511 2006-02-03 Alan Modra <amodra@bigpond.net.au>
13514 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
13516 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
13517 Ulrich Weigand <uweigand@de.ibm.com>
13520 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
13521 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
13522 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
13523 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
13525 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
13526 (s390_rtx_costs): Use the new fields to calculate rtx costs.
13527 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
13528 Define secondary reloads for TFmode moves.
13529 (constant_modes): Add TFmode.
13530 (NR_C_MODES): Set to 8.
13531 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
13533 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
13534 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
13535 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
13536 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
13537 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
13538 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
13539 (FPR mode macro): Add TFmode.
13540 (DSF mode macro): New.
13541 (<de>, <dee> mode attributes): Removed.
13542 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
13543 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
13544 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
13545 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
13546 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
13547 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
13548 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
13549 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
13550 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
13551 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
13552 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
13553 "*negabs<mode>2", "sqrt<mode>2"):
13554 Changed <de> to <xde>. R constraint replaced by <Rf>.
13555 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
13557 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
13558 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
13559 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
13561 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
13562 "extenddftf2", "extendsftf2"): New expanders.
13563 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
13564 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
13565 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
13566 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
13568 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
13569 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
13570 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
13571 __floatditf): Add a GCC_4.1.0 symbol version tag.
13572 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
13575 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
13578 * config/i386/i386.c (ix86_function_ok_for_sibcall):
13579 Use targetm.binds_local_p instead of TREE_PUBLIC.
13581 2006-02-02 Roger Sayle <roger@eyesopen.com>
13583 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
13584 on INTEGER_TYPEs to indicate that it denotes a character type.
13585 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
13586 signed_char_type_node, unsigned_char_type_node and char_type_node.
13587 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
13588 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
13589 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
13591 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
13592 Daniel Berlin <dberlin@dberlin.org>
13594 * tree-tailcall.c (arg_needs_copy_p): New function.
13595 (eliminate_tail_call): Use arg_needs_copy_p.
13596 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
13597 (add_virtual_phis): New function.
13599 2006-02-02 Jakub Jelinek <jakub@redhat.com>
13601 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
13602 #ignore instead of #scratch for %g7 .register directive.
13604 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
13606 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
13609 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
13611 * flow.c (calculate_global_regs_live): Assert that there aren't any
13614 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
13616 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
13617 what its name says.
13618 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
13619 bsi_after_labels iterator.
13620 * tree-if-conv.c (find_phi_replacement_condition,
13621 replace_phi_with_cond_modify_expr): Likewise.
13622 * tree-scalar-evolution.c (scev_const_prop): Likewise.
13623 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
13625 2006-02-02 Diego Novillo <dnovillo@redhat.com>
13627 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
13629 2006-02-02 Diego Novillo <dnovillo@redhat.com>
13632 * tree-cfg.c (move_block_to_fn): Clear out the basic block
13633 array after growing it.
13635 2006-02-01 Steve Ellcey <sje@cup.hp.com>
13637 PR middle-end/24901
13638 * fold-const.c (fold_checksum_tree): Change type of buf.
13640 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
13642 * reload.c (push_secondary_reload): Initialize t_icode.
13644 2006-02-01 Jakub Jelinek <jakub@redhat.com>
13646 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
13647 -msoft-float -mlong-double-128 only issue a warning, but don't
13648 swich to DFmode long double.
13650 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
13652 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
13653 has a constant equivalent, iterate over equivalents for arg0,
13654 calling simplify_relational_operation and if there's a result
13655 cheaper than X, apply fold_rtx and return the result.
13657 2006-02-01 Jan Hubicka <jh@suse.cz>
13659 * opts.c (no_unit_at_a_time_default): New global variable.
13660 (decode_options): Use it.
13661 * opts.h (no_unit_at_a_time_default): Declare.
13663 2006-02-01 Paul Brook <paul@codesourcery.com>
13665 * function.c (assign_parm_setup_reg): Use function argument promotion
13667 * expr.c (expand_expr_real_1): Use function argument promotion rules
13670 2006-02-01 Steve Ellcey <sje@cup.hp.com>
13672 * gcc.c (process_command): Change j to 'unsigned int'.
13674 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13676 PR middle-end/26001
13677 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
13678 Use the corrected index for the character
13679 out of the string constant.
13681 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13683 * mode-switching.c (optimize_mode_switching): Fix size
13684 allocated for bb_info[n_entities].
13686 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13688 * gcc.c (main): Correct type that is allocated for
13689 explicit_link_files.
13691 2006-01-31 Jakub Jelinek <jakub@redhat.com>
13693 * config/s390/s390.c (init_alignment_context): Set
13694 ALIAS_SET_MEMORY_BARRIER on the MEM.
13695 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
13697 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
13699 PR middle-end/25933
13700 * loop-unroll.c (unroll_loop_runtime_iterations): Free
13702 * tree-ssa-live.c (type_var_init): Allocate bitmap after
13705 2006-01-31 Marcin Dalecki <martin@dalecki.de>
13707 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
13708 * regrename.c: Ditto.
13709 * tree-ssa-loop-im.c: Ditto.
13710 * tree-dump.c: Ditto.
13711 * tree-complex.c: Ditto.
13712 * genrecog.c: Ditto.
13713 * tree-ssa-threadupdate.c: Ditto.
13715 * java/class.c: Ditto.
13716 * java/jcf-parse.c: Ditto.
13717 * java/resource.c: Ditto.
13718 * java/except.c: Ditto.
13719 * java/jvspec.c: Ditto.
13720 * java/jcf-write.c: Ditto.
13721 * java/jcf-path.c: Ditto.
13722 * java/gjavah.c: Ditto.
13723 * java/zextract.c: Ditto.
13724 * java/jcf-io.c: Ditto.
13725 * java/jcf.h: Ditto.
13726 * java/buffer.c: Ditto.
13727 * java/lang.c: Ditto.
13728 * java/parse-scan.y: Ditto.
13729 * java/lex.c: Ditto.
13730 * java/lex.h: Ditto.
13731 * cfgloopmanip.c: Ditto.
13732 * postreload-gcse.c: Ditto.
13733 * tree-ssa-loop-manip.c: Ditto.
13734 * postreload.c: Ditto.
13735 * tree-ssa-loop-ch.c: Ditto.
13738 * cppspec.c: Ditto.
13739 * diagnostic.c: Ditto.
13741 * genoutput.c: Ditto.
13743 * cfghooks.c: Ditto.
13744 * cfgloopanal.c: Ditto.
13745 * objc/objc-act.c: Ditto.
13747 * genextract.c: Ditto.
13748 * genautomata.c: Ditto.
13749 * pretty-print.c: Ditto.
13750 * genemit.c: Ditto.
13751 * cgraphunit.c: Ditto.
13753 * df-scan.c: Ditto.
13754 * haifa-sched.c: Ditto.
13755 * dominance.c: Ditto.
13757 * tree-ssa-loop-ivopts.c: Ditto.
13758 * df-core.c: Ditto.
13759 * mode-switching.c: Ditto.
13760 * modulo-sched.c: Ditto.
13762 * ipa-pure-const.c: Ditto.
13764 * fix-header.c: Ditto.
13766 * tree-stdarg.c: Ditto.
13767 * ipa-utils.c: Ditto.
13768 * loop-init.c: Ditto.
13769 * ipa-inline.c: Ditto.
13770 * cfganal.c: Ditto.
13772 * alloc-pool.c: Ditto.
13773 * dwarf2out.c: Ditto.
13775 * genattrtab.c: Ditto.
13776 * tree-ssa-loop-ivcanon.c: Ditto.
13777 * predict.c: Ditto.
13778 * timevar.c: Ditto.
13780 * fortran/gfortranspec.c: Ditto.
13781 * regmove.c: Ditto.
13782 * local-alloc.c: Ditto.
13783 * langhooks.c: Ditto.
13784 * function.c: Ditto.
13785 * tree-vectorizer.c: Ditto.
13787 * ipa-type-escape.c: Ditto.
13789 * tree-if-conv.c: Ditto.
13790 * profile.c: Ditto.
13792 * tree-data-ref.c: Ditto.
13793 * loop-unroll.c: Ditto.
13794 * treelang/treetree.c: Ditto.
13796 * bt-load.c: Ditto.
13797 * ggc-common.c: Ditto.
13799 * coverage.c: Ditto.
13801 * tree-cfgcleanup.c: Ditto.
13802 * tree-ssa-pre.c: Ditto.
13803 * cfgcleanup.c: Ditto.
13804 * loop-invariant.c: Ditto.
13805 * loop-iv.c: Ditto.
13806 * ipa-prop.c: Ditto.
13807 * print-tree.c: Ditto.
13808 * conflict.c: Ditto.
13809 * ggc-page.c: Ditto.
13810 * sched-deps.c: Ditto.
13811 * regclass.c: Ditto.
13812 * tree-object-size.c: Ditto.
13813 * combine.c: Ditto.
13814 * bb-reorder.c: Ditto.
13815 * resource.c: Ditto.
13816 * var-tracking.c: Ditto.
13817 * cfgloop.c: Ditto.
13818 * df-problems.c: Ditto.
13819 * reg-stack.c: Ditto.
13821 * gccspec.c: Ditto.
13822 * sched-rgn.c: Ditto.
13823 * tree-ssa-structalias.c: Ditto.
13824 * tree-ssa-reassoc.c: Ditto.
13825 * config/darwin-c.c: Ditto.
13826 * config/darwin.c: Ditto.
13827 * config/arm/arm.c: Ditto.
13829 * collect2.c: Ditto.
13830 * reload1.c: Ditto.
13832 2006-01-31 Nicolas Pitre <nico@cam.org>
13834 * arm.md (smaxsi3): Make aware of smax_m1.
13837 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
13839 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
13841 2006-01-31 Richard Guenther <rguenther@suse.de>
13843 * doc/invoke.texi (-msselibm): Document.
13844 * target.h (expand_library_builtin): New target hook.
13845 * builtins.c (expand_builtin): Use expand_library_builtin.
13846 (default_expand_library_builtin): New function.
13847 * gcc.c (LINK_GCC_MATH_SPEC): Define.
13848 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
13849 (link_gcc_math_spec): Declare.
13850 (static_specs): Add link_gcc_math_spec.
13851 * expr.h (default_expand_library_builtin): Declare.
13852 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
13853 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
13854 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
13855 * config/i386/i386.opt (msselibm): New target option.
13856 * config/i386/i386.c (ix86_builtin_function_variants): New array.
13857 (ix86_init_sse_abi_builtins): New function.
13858 (ix86_expand_library_builtin): Likewise.
13859 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
13860 (override_options): Handle error conditions wrt -msselibm.
13861 (ix86_builtins): Add function codes for SSE2 ABI builtins.
13862 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
13863 * doc/extend.texi (__builtin_sse2_*): Document new target specific
13866 2006-01-31 Richard Guenther <rguenther@suse.de>
13867 Paolo Bonzini <bonzini@gnu.org>
13869 * doc/install.texi (--disable-libgcc-math): Document.
13871 2006-01-30 Marcin Dalecki <martin@dalecki.de>
13873 * expr.h (expand_normal): new inline function.
13874 * builtins.c: use it, use EXPAND_NORMAL explicitely.
13875 * dojump.c: use it.
13876 * dwarf2out.c: use it.
13879 * expmed.c: use it.
13880 * except.c: use it.
13881 * config/sparc/sparc.c: use it.
13882 * config/i386/i386.c: use it.
13883 * config/rs6000/rs6000.c: use it.
13884 * config/arm/arm.c: use it.
13885 * config/mips/mips.c: use it.
13886 * stmt.c: use it, use EXPAND_NORMAL explicitely.
13888 2006-01-30 Roger Sayle <roger@eyesopen.com>
13890 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
13891 argv to the appropriate type.
13893 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
13895 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
13898 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
13901 * config/s390/s390.c (struct machine_function): New flag
13902 decomposed_literal_pool_addresses_ok_p.
13903 (s390_reorg): Set it before final stage of literal pool transforms.
13904 (s390_decompose_address): Only accept displacements of the form
13905 (minus (label_ref ...) (label_ref ...)) if that flag is set.
13907 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
13909 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
13910 the comparison routine return.
13912 2006-01-30 Michael Matz <matz@suse.de>
13914 * global.c (find_reg): Only evict for global regs.
13915 Take n_refs into account and dump more info.
13917 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
13920 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
13921 (pragma_trap, pragma_nosave_low_regs): Likewise.
13922 (current_function_anonymous_args): Likewise.
13923 (sh_deferred_function_attributes): New variable.
13924 (sh_deferred_function_attributes_tail): Likewise.
13925 (print_operand): For '@', look up trap_exit attribute.
13926 (calc_live_regs): Look up trapa_handler attribute. For trapa
13927 handlers, save/restore fpscr, but don't do any other
13928 interrupt-specific saves.
13929 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
13930 Fix check for partially saved registers to check for SHmedia.
13931 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
13932 (sh_output_function_epilogue): Don't clear any of the removed
13934 (sh_insert_attributes): Don't check pragma_interrupt.
13935 Insert deferred attributes. Check that interrupt attribute is
13936 present for other attributes that require its presence.
13937 (sh_attribute_table): Add new attributes trapa_handler and
13939 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
13940 Don't check for pragma_interrupt. Don't store argument.
13941 * sh.h (pragma_interrupt, sp_switch): Don't declare.
13942 (sh_deferred_function_attributes): Declare.
13943 (sh_deferred_function_attributes_tail): Likewise.
13944 * sh.md (sp_switch_1): Add operand. Change generator caller.
13945 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
13946 (*return_i): Don't use when trap_exit attribute is in effect.
13947 (*return_trapa): New insn pattern.
13948 * sh-c.c: New file.
13949 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
13950 setting c_target_objs and cxx_target_objs.
13951 * t-sh: Add rule for sh-c.o.
13953 2006-01-30 Richard Guenther <rguenther@suse.de>
13956 * gimplify.c (gimplify_target_expr): Handle easy cases
13957 without creating a temporary.
13959 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
13961 * vec.h (safe_grow): Remove duplicated line.
13963 2006-01-29 Diego Novillo <dnovillo@redhat.com>
13966 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
13967 (expand_omp): ... here.
13968 (expand_omp_parallel): Only remove barriers for combined
13969 parallel+workshare constructs.
13971 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
13975 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
13976 * tree.c (build_qualified_type): Chain the new type to the original
13977 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
13978 a POINTER_TYPE or a REFERENCE_TYPE respectively.
13979 (build_pointer_type_for_mode): Only return unqualified types.
13980 (build_reference_type_for_mode): Likewise.
13982 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
13984 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
13985 * Makefile.in (CXX_COMPAT_WARN): Define.
13986 * configure: Regenerate.
13988 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
13991 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
13994 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
13996 * toplev.c: Fix thinko.
13998 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
13999 Marcin Dalecki <martin@dalecki.de>
14001 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
14002 (push_srcloc): Use XNEW.
14003 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
14005 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
14007 * df-core.c (df_set_blocks): Deleted all variable.
14009 2006-01-28 Ian Lance Taylor <ian@airs.com>
14011 * cgraphunit.c (cgraph_assemble_pending_functions): Call
14012 cgraph_output_pending_asms.
14014 2006-01-28 Zack Weinberg <zackw@panix.com>
14016 * c.opt: Add -W(no-)overlength-strings.
14017 * doc/invoke.texi: Document it.
14018 * c-opts.c (c_common_handle_option): -pedantic implies
14019 -Woverlength-strings, if not explicitly disabled already.
14020 (c_common_post_options): -Woverlength-strings defaults to off, and
14021 is always off for C++.
14022 * c-common.c (fix_string_type): Issue warning about strings longer
14023 than is portable only if warn_overlength_strings. Rearrange code
14024 a little for clarity.
14025 * configure.in: Check for -Wno-overlength-strings as well before
14026 enabling -pedantic in stage 1.
14027 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
14028 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
14030 * genconditions.c (write_header, write_one_condition)
14031 (write_conditions, write_writer): Consolidate very long strings
14032 that were broken up to fit in C89 portable limit. Don't use
14033 printf when fputs will do.
14035 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
14037 * combine.c (simplify_comparison <AND>): Check
14038 TRULY_NOOP_TRUNCATION before start using a subreg.
14040 * config/mips/mips.md (*branch_zero<mode>,
14041 *branch_zero<mode>_inverted, *branch_equality<mode>,
14042 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
14043 Remove mode check from comparisons.
14045 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
14047 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
14049 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
14051 * expmed.c (const_mult_add_overflow_p): Remove.
14052 * expr.h: Remove the prototype for const_mult_add_overflow_p.
14054 * recog.c (validate_replace_rtx_subexp): Remove.
14055 * recog.h: Remove the prototype for
14056 validate_replace_rtx_subexp.
14058 * integrate.h: Remove the prototype for
14059 copy_decl_for_inlining.
14060 * rtl.h: Remove the prototype for mark_constant_function.
14061 * tree-vectorizer.h: Remove the prototype for
14062 vect_strip_conversion.
14064 * modulo-sched.c (create_partial_schedule,
14065 free_partial_schedule, reset_partial_schedule): Make them
14068 * hooks.c (hook_bool_rtx_int_false): Remove.
14069 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
14071 2006-01-28 David Edelsohn <edelsohn@gnu.org>
14073 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
14074 and -mlong-double-128 are incompatible.
14075 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
14076 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
14077 (TARGET_LIBGCC2_CFLAGS): Define.
14078 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
14079 (TARGET_LIBGCC2_CFLAGS): Same.
14080 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
14082 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
14085 * c-typeck.c (build_binary_op): Perform implicit casts of
14086 operands before shortening them.
14088 * cfgloopmanip.c (split_loop_bb): Remove.
14089 * cfgloop.h: Remove the prototype for split_loop_bb.
14091 * cfgloop.c (flow_loop_outside_edge_p): Remove.
14092 * cfgloop.h: Remove the prototype for
14093 flow_loop_outside_edge_p.
14095 * emit-rtl.c (init_virtual_regs): Make it static.
14096 * function.h: Remove the prototype for init_virtual_regs.
14098 * recog.c (peephole2_optimize): Make it static.
14099 * recog.h: Remove the prototype for peephole2_optimize.
14101 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
14103 * df-scan.c (df_record_entry_block_defs): Check if
14104 INCOMING_RETURN_ADDR_RTX is defined.
14106 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
14107 Kenneth Zadeck <zadeck@naturalbridge.com>
14109 PR rtl-optimization/24762
14110 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
14111 * targhooks.c (hook_void_bitmap): New hook prototype.
14112 * targhoohs.h (hook_void_bitmap): Ditto.
14113 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
14114 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
14115 * target.h (live_on_entry): New function pointer.
14116 * df-scan.c (df_all_hard_regs): Removed.
14117 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
14118 (df_scan_free_internal): Added df->entry_block_defs.
14119 (df_scan_alloc): Ditto.
14120 (df_scan_dump): Ditto.
14121 (df_uses_record): Plumbed flag field properly thru calls.
14122 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
14123 This part fixes PR24762.
14124 (df_bb_refs_record): Added code to make the frame and arg
14125 pointers live in EH blocks.
14126 (df_refs_record): Added call to df_record_entry_block_defs.
14127 (df_record_entry_block_defs): New function.
14128 * df-core.c: Added comments to describe new artifical defs.
14129 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
14130 (entry_block_defs): New field in struct df.
14131 (df_all_hard_regs): Deleted.
14132 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
14133 * df-problems.c (df_ru_bb_local_compute_process_def):
14134 Added code to handle artifical defs in the entry to a function.
14135 (df_ru_bb_local_compute): Ditto.
14136 (df_rd_bb_local_compute_process_def): Ditto.
14137 (df_rd_bb_local_compute): Ditto.
14138 (df_lr_bb_local_compute): Ditto.
14139 (df_ur_bb_local_compute): Ditto.
14140 (df_urec_bb_local_compute): Ditto.
14141 (df_chain_create_bb): Ditto.
14142 (df_ur_local_finalize): Removed entry.
14143 (df_urec_init): Ditto.
14144 (df_urec_local_finalize): Ditto.
14145 (df_ri_bb_compute): Added detection of last use of pseudos.
14146 * Makefile.in (df-scan.o): Updated dependencies.
14147 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
14148 * config/mips/mips.c (mips_set_live_on_entry): Added.
14149 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
14151 * dce.c (marked_insn_p): Added code to handle artifical defs.
14153 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
14155 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
14157 (_mm_cvtsi128_si64): Likewise.
14158 (_mm_cvtsd_si64): Likewise.
14159 (_mm_cvttsd_si64): Likewise.
14160 (_mm_cvtsi64_sd): Likewise.
14161 (_mm_cvtsi64_si128): Likewise.
14162 * config/i386/mmintrin.h (_m_from_int64): Likewise.
14163 (_mm_cvtsi64_m64): Likewise.
14164 (_m_to_int64): Likewise.
14165 (_mm_cvtm64_si64): Likewise.
14166 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
14167 (_mm_cvttss_si64): Likewise.
14168 (_mm_cvtsi64_ss): Likewise.
14169 (_mm_cvtss_f32): Likewise.
14171 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
14173 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
14174 for pragma redefine_extname.
14176 2006-01-27 Jakub Jelinek <jakub@redhat.com>
14179 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
14180 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
14181 -mno-minimal-toc to previous content.
14182 (bispecs): Remove goal.
14183 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
14184 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
14185 compatibility aliases on powerpc-*-*gnu*.
14186 * config/rs6000/libgcc-ppc-glibc.ver: New file.
14187 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
14188 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
14189 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
14190 (ldblspecs): New goal.
14191 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
14192 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
14194 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
14195 L_sf_to_tf or L_df_to_tf is defined.
14197 2006-01-27 David Edelsohn <edelsohn@gnu.org>
14198 Alan Modra <amodra@bigpond.net.au>
14201 * config/rs6000/linux.h (POWERPC_LINUX): Define.
14202 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
14203 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
14204 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
14205 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
14206 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
14207 (rs6000_override_options): Initialize rs6000_ieeequad.
14208 Initialize TFmode format to ibm_extended_format if not
14210 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
14212 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
14213 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
14214 (function_arg_advance): IBM long double passed in two FPRs, not
14216 (function_arg): IBM long double passed in FPRs.
14217 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
14218 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
14219 Only multireg GPR aligned.
14220 (rs6000_init_libfuncs): Enable IBM long double functions if not
14222 (rs6000_generate_compare): Use IBM long double compare if not
14224 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
14225 (TARGET_IEEEQUAD): Define.
14226 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
14227 not TARGET_IEEEQUAD.
14228 * config/rs6000/rs6000.md: Enable TFmode patterns if
14230 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
14231 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
14232 and -mlong-double-128 are incompatible.
14233 * doc/invoke.texi (-mabi): Collect options together. Add
14234 ibmlongdouble and ieeelongdouble.
14236 2006-01-27 Richard Sandiford <richard@codesourcery.com>
14238 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
14240 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
14241 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
14242 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
14243 * rtl.h (rtunion_def): Remove rt_ptr.
14245 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
14246 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
14247 * config/i386/winnt.c (i386_pe_mark_dllexport)
14248 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
14250 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
14252 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
14254 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
14258 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
14259 pthread_key_delete. From John David Anglin. gthrw-ify
14260 pthread_getunique_np only if it it's not a macro. Delete
14262 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
14263 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
14264 __gthread_objc_condition_signal, __gthread_key_delete): Add
14265 "__attribute__ ((__unused__))" to unused arguments.
14266 (__gthread_recursive_mutex_init_function): Add missing return.
14267 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
14268 gthr-posix95.h: Use macro-based approach for name redirection
14269 on targets missing weakref.
14271 2006-01-26 Zack Weinberg <zackw@panix.com>
14273 * genconditions.c (write_header): In generated code, #ifdef out
14274 all includes and fake declarations, except includes of bconfig.h
14275 and system.h, unless GCC_VERSION >= 3001. Do not include
14276 gensupport.h in any case.
14277 (write_conditions): Generate a definition of struct c_test. Add
14278 a comment to the generated #endif.
14279 (write_one_condition): Escape backslashes in string too.
14280 (write_writer): Generated code must escape backslashes and quote
14281 marks (but not newlines) in the strings it writes.
14282 * Makefile.in (build/gencondmd.o): Update dependencies.
14284 2006-01-26 Steve Ellcey <sje@cup.hp.com>
14287 * Makefile.in (insn-automata.o): Add header file dependencies.
14288 * genautomata.c: Add includes.
14290 2006-01-26 Steve Ellcey <sje@cup.hp.com>
14293 * Makefile.in (insn-automata.o): Add -Wno-error flag.
14295 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
14297 * configure.ac: Expect target tools paths to be passed from the toplevel
14298 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
14300 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
14302 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
14305 * c.opt (Wpointer-sign): Init to -1.
14306 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
14307 OPT_pedantic, to 0 otherwise.
14308 * doc/invoke.texi: Update.
14310 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
14312 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
14313 constants provided by 80387 instructions in the destination mode.
14315 2006-01-26 Richard Guenther <rguenther@suse.de>
14316 Andrew Pinski <pinskia@physics.uc.edu>
14319 partial PR tree-opt/17064
14320 * tree-ssa-structalias.c (intra_create_variable_infos):
14321 Create heap variables for incoming parameters if
14322 flag_argument_noalias > 1.
14323 (find_what_p_points_to): Look through default defs of
14326 2006-01-26 Jeff Law <law@redhat.com>
14329 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
14330 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
14331 within the VR_RANGE, use the VR_RANGE as the result, not the
14333 (adjust_range_with_scev): Reject ranges from SCEV which are out of
14334 bounds for the type.
14336 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
14338 * tree-ssa-alias.c (maybe_create_global_var): Change
14339 subvar walking to an assertion that we don't have subvar'd variables.
14341 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
14344 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
14345 Use a new variable, inner. PARM_DECLs are always non-weak.
14347 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
14349 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
14350 --disable-checking.
14352 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
14354 * config/mips/mips.md (*clear_upper32): New combiner pattern.
14356 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
14358 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
14359 (smax_insn, smin_insn, smax_0, smin_0): New.
14361 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
14364 * config/cris/cris.c (cris_order_for_addsi3): New function.
14365 * config/cris/cris-protos.h: Prototype it.
14366 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
14367 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
14368 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
14369 (split for "op.S1 [rx=rx+i],ry (swapped)")
14370 (split for "op(s|u).S1 [rx=rx+i],ry")
14371 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
14372 Apply cris_order_for_addsi3 when generating addsi3 insns.
14374 2006-01-25 Diego Novillo <dnovillo@redhat.com>
14376 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
14377 (TREE_BLOCK): Add call to EXPR_CHECK.
14379 2006-01-25 Diego Novillo <dnovillo@redhat.com>
14382 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
14383 * tree-pretty-print.c (dump_omp_clause): Extract from ...
14384 (dump_omp_clauses): ... here.
14385 (dump_generic_node): Handle OMP_CLAUSE.
14386 * tree.c (omp_clause_num_ops): New.
14387 (omp_clause_code_name): New.
14388 (tree_code_size): Handle OMP_CLAUSE.
14389 (tree_size): Likewise.
14390 (make_node): Document handling of OMP_CLAUSE.
14391 (tree_node_structure): Handle OMP_CLAUSE.
14392 (omp_clause_check_failed): New.
14393 (omp_clause_range_check_failed): New.
14394 (omp_clause_operand_check_failed): New.
14395 (build_omp_clause): New.
14396 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
14397 * tree.h (enum omp_clause_code): Declare.
14398 (OMP_CLAUSE_SUBCODE_CHECK): Define.
14399 (OMP_CLAUSE_RANGE_CHECK): Define.
14400 (OMP_CLAUSE_ELT_CHECK): Define.
14401 (omp_clause_check_failed): Declare.
14402 (omp_clause_operand_check_failed): Declare.
14403 (omp_clause_range_check_failed): Declare.
14404 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
14405 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
14406 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
14407 (OMP_CLAUSE_LASTPRIVATE): Likewise.
14408 (OMP_CLAUSE_IF_EXPR): Likewise.
14409 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
14410 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
14411 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
14412 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
14413 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
14414 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
14415 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
14416 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
14417 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
14418 (OMP_CLAUSE_CODE): Define.
14419 (OMP_CLAUSE_SET_CODE): Define.
14420 (OMP_CLAUSE_CODE): Define.
14421 (OMP_CLAUSE_OPERAND): Define.
14422 (struct tree_omp_clause): Declare.
14423 (union tree_node): Add field 'omp_clause'.
14424 * treestruct.def (TS_OMP_CLAUSE): Define.
14425 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
14426 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
14427 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
14428 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
14429 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
14430 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
14431 (OMP_CLAUSE): Define.
14432 * print-tree.c (print_node): Handle OMP_CLAUSE.
14433 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
14434 * c-typeck.c: Likewise.
14435 * gimplify.c: Likewise.
14436 * c-omp.c: Likewise.
14437 * tree-nested.c: Likewise.
14438 * tree-inline.c: Likewise.
14439 * c-parser.c: Likewise.
14440 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
14443 2006-01-25 Roger Sayle <roger@eyesopen.com>
14445 PR rtl-optimization/25703
14446 * combine.c (try_combine): Handle zero_extract and strict_low_part
14447 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
14449 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
14451 * global.c: Fix comment typos.
14453 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
14456 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
14457 Use output_addr_const instead of assemble_name.
14459 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
14461 * Makefile.in (sched-vis.o): Update dependencies.
14462 * haifa-sched.c (sched_finish): Clear current_sched_info.
14463 * cfg.c (dump_bb_info): New, split from dump_flow_info.
14464 (dump_flow_info): Call it.
14465 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
14467 * basic-block.h (dump_bb_info): Declare.
14468 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
14469 option, and apply options only for dump files whose TDF_RTL,
14470 TDF_TREE, or TDF_IPA bits match.
14471 * rtl.h: Declare new functions exported from sched-vis.c.
14472 * sched-vis.c: Enable also if scheduling is not used.
14473 (print_value): Print the mode of registers if not inside scheduling.
14474 (print_insn): Make it work outside the scheduler. Beautify the output
14476 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
14478 2006-01-25 Richard Sandiford <richard@codesourcery.com>
14480 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
14481 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
14482 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
14483 depending on the value of CONSTANT_POOL_ADDRESS_P.
14484 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
14486 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
14487 rather than SYMBOL_REF_DECL.
14488 (rtx_constant_pool): Remove const_rtx_sym_htab.
14489 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
14490 (init_varasm_status): Don't initialize const_rtx_sym_htab.
14491 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
14492 Remove handling of const_rtx_sym_htab.
14493 (find_pool_constant): Delete.
14494 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
14495 rather than find_pool_constant.
14496 (get_pool_constant_for_function): Delete.
14497 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
14498 find_pool_constant.
14499 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
14500 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
14501 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
14502 (SYMBOL_REF_CONSTANT): New macro.
14503 (get_pool_constant_for_function): Delete.
14504 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
14505 rather than SYMBOL_REF_DECL.
14506 (i386_pe_mark_dllimport): Likewise.
14507 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
14508 rather than SYMBOL_REF_DECL.
14509 * config/darwin.c (machopic_indirect_data_reference): Likewise.
14510 (machopic_indirect_call_target): Likewise.
14512 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
14514 * flow.c (delete_noop_moves): Add missing EOL to dump message.
14516 2006-01-25 Richard Sandiford <richard@codesourcery.com>
14518 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
14520 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
14522 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
14524 2006-01-24 David Daney <ddaney@avtrex.com>
14527 * configure.ac (enable_tls): New enable option.
14528 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
14529 * configure: Regenerate.
14530 * doc/install.texi (--enable-tls): Document new option.
14531 (--disable-tls): Ditto.
14533 2006-01-24 Richard Henderson <rth@redehat.com>
14535 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
14536 * alias.c (true_dependence): Respect it.
14537 (canon_true_dependence, write_dependence_p): Likewise.
14538 * builtins.c (get_builtin_sync_mem): Set it.
14540 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
14542 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
14545 2006-01-24 DJ Delorie <dj@redhat.com>
14547 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
14548 for storing constants in single-bit bitfields.
14550 2006-01-25 Ben Elliston <bje@au.ibm.com>
14552 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
14554 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
14557 * tree-ssa-pre.c (phi_translate): Return NULL
14558 for AGGREGATE_TYPE's.
14560 2006-01-24 Zack Weinberg <zackw@panix.com>
14562 * genautomata.c (process_state_for_insn_equiv_partition):
14563 Use xcalloc for insn_arcs_array.
14564 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
14565 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
14567 2006-01-24 Richard Henderson <rth@redhat.com>
14569 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
14570 update all callers.
14572 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
14574 PR rtl-optimization/25890
14575 PR rtl-optimization/25905
14576 * combine.c (expand_compound_operation, expand_field_assignment):
14577 Fail if the bitfield's final position is out of bounds.
14579 2006-01-24 Ian Lance Taylor <ian@airs.com>
14581 PR middle-end/25930
14582 * cgraphunit.c (cgraph_output_in_order): Don't clear
14583 cgraph_asm_nodes until after asm strings have been output.
14585 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
14587 * fix-header.c (read_scan_file): Add new parameter imultilib when
14588 calling register_include_chains.
14590 2006-01-23 Diego Novillo <dnovillo@redhat.com>
14592 * omp-low.c: Update documentation.
14594 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
14595 Daniel Berlin <dberlin@dberlin.org>
14599 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
14600 return from the function.
14602 2006-01-22 Zack Weinberg <zackw@panix.com>
14604 * rtl.def (match_code): Add second argument.
14605 * genpreds.c (write_extract_subexp): New function.
14606 (write_match_code): Add path argument. Use write_extract_subexp.
14607 (write_predicate_expr): Pass path to write_match_code.
14608 (mark_mode_tests): MATCH_CODE applied to a subexpression does
14609 not perform a mode test.
14610 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
14611 a subexpression does not constrain the top-level code set.
14612 * read-rtl.c (read_rtx_variadic): New function.
14613 (read_rtx_1): Use it; allow AND and IOR to be variadic.
14614 * doc/md.texi: Document new notation.
14615 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
14616 (cmpsi_operand): ... here, using new notation.
14618 2006-01-22 Zack Weinberg <zackw@panix.com>
14620 * varray.c: Remove GENERATOR_FILE #ifdefs.
14622 2006-01-22 Zack Weinberg <zackw@panix.com>
14624 * genautomata.c (output_reserved_units_table): Emit nothing if
14625 description->query_units_num is zero. Remove extra blank line.
14626 (output_cpu_unit_reservation_p): Short circuit
14627 if description->query_units_num is zero.
14629 2006-01-22 Zack Weinberg <zackw@panix.com>
14631 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
14632 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
14633 nor any of the random handful of variables that used to be necessary
14634 when this program was linked with rtlanal.o. Prune set of forward
14635 function declarations.
14636 (struct attr_desc): Remove static_p field.
14637 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
14638 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
14639 (attr_string): Do not read the character one past the length of
14641 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
14642 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
14643 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
14644 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
14645 (make_automaton_attrs): New.
14646 (main): Do not call into genautomata. Call local gen_bypass
14647 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
14648 Remove special case for insn_alts.
14649 * genautomata.c: Include gensupport.h; not genattrtab.h nor
14650 varray.h (leftover from previous change). Prune set of forward
14651 function declarations. Remove state_alts fields from all
14652 structures. Remove state_alts_table from struct automaton.
14653 Make everything except main static. Do not maintain num_dfa_decls.
14654 Do not maintain state_alts fields of various structures.
14655 (process_decls): Don't validate condexp for dm_insn_reserv decls.
14656 (add_arc): Remove state_alts argument. All callers updated.
14657 (output_reserved_units_table): Emit #ifdef here...
14658 (output_tables): ...not here. Don't generate state_alts tables.
14659 (expand_automata): Don't generate attributes.
14660 (write_automata): Don't generate state_alts functions.
14661 (main): New function.
14662 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
14663 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
14664 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
14665 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
14666 (BYPASS_P_FUNC_NAME, output_state_alts_table)
14667 (output_automata_list_state_alts_code, output_internal_state_alts_func)
14668 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
14669 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
14671 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
14672 * genattrtab.h: Delete file.
14673 * Makefile.in (OBJS-common): Add insn-automata.o.
14674 (insn-automata.o): New rule.
14675 (simple_generated_c): Add insn-automata.c.
14676 (build/genattrtab.o, build/genautomata.o): Update dependencies.
14677 (genprogmd): Add automata.
14678 (build/genattrtab): Needs no extra objects nor libraries.
14679 (build/genautomata): Needs build/vec.o and -lm.
14681 2006-01-22 Zack Weinberg <zackw@panix.com>
14683 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
14684 (output_dfa_max_issue_rate, locked_states_num): Delete.
14685 (struct automaton): Add locked_states field.
14686 (output_dead_lock_vect): Save number of locked states in
14687 automaton->locked_states. If it is zero, don't print anything.
14688 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
14689 (output_internal_dead_lock_func): Only test the dead_lock_vect
14690 for automata that have locked states.
14691 (output_statistics): Always print the number of locked states for
14692 each automaton. Calculate total number of locked states here.
14693 (write_automata): Don't call output_dfa_max_issue_rate.
14694 * genattrtab.c: Define length_unit_log as a const variable.
14695 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
14696 max_insn_queue_index const.
14697 * final.c (length_unit_log): Declare const.
14698 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
14700 2006-01-22 Zack Weinberg <zackw@panix.com>
14702 * genautomata.c: Include vec.h, not varray.h.
14703 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
14704 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
14705 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
14706 VEC_* macros operating on appropriately typed vectors, or to
14707 malloced arrays when the size is known in advance. Const-ify
14708 many char* variables and function arguments. No functional changes.
14709 * Makefile.in (build/varray.o): Delete rule.
14710 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
14711 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
14713 2006-01-22 Zack Weinberg <zackw@panix.com>
14715 * gensupport.c: Define get_insn_name and record_insn_name here.
14716 (read_md_rtx): Call record_insn_name as appropriate.
14717 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
14718 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
14719 * genpreds.c, genrecog.c: Don't define get_insn_name nor
14721 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
14722 (BUILD_VARRAY): Delete.
14723 (genprognormal): Rename genprogmd. Fold in all programs from
14724 genprognoprint; also attrtab.
14725 (build/genattrtab): Just mention genautomata.o and varray.o.
14726 Reorganize a bit, add comments to make the categories clearer.
14728 2006-01-22 Zack Weinberg <zackw@panix.com>
14730 * genconditions.c (condition_table, add_condition): Delete.
14731 (write_conditions): Don't emit n_insn_conditions nor
14732 insn_elision_unavailable. Issue the gcc version #ifdef here,
14733 inside the table, with no #else clause ...
14734 (write_header): ...not here.
14735 (write_writer): New function.
14736 (main): Don't initialize condition_table. Use add_c_test.
14738 * gensupport.c (init_md_reader_args_cb): Handle multiple input
14739 files on the command line.
14740 (maybe_eval_c_test): Don't check insn_elision_unavailable.
14741 Return -1 if there is no entry in the table, don't abort.
14742 (add_c_test, traverse_c_tests): New functions.
14743 * gensupport.h (insn_elision_unavailable, insn_conditions)
14744 (n_insn_conditions): Delete declarations.
14745 (add_c_test, traverse_c_tests): Declare.
14746 * read-rtl.c: Include gensupport.h.
14747 (read_conditions): New function.
14748 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
14749 (read_rtx_1): If we get EOF when we were looking for an initial
14750 open paren, return 0. Call read_conditions when appropriate.
14751 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
14752 dummy-conditions.o. Eliminate references to insn-conditions.o,
14753 or change them to build/gencondmd.o, as appropriate. Remove
14754 insn-constants.h from $(simple_generated_h) and insn-conditions.c
14755 from $(simple_generated_c). For all files remaining in those
14756 two lists, add insn-conditions.md to the generator command line.
14757 Give insn-constants.h/s-constants their own rules. Add rules
14758 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
14759 (build/read-rtl.o): Depend on gensupport.h.
14760 (genprognormal): Include preds.
14761 (genprogearly): Rename genprognoprint; only difference is now that
14762 they don't link with $(BUILD_PRINT).
14763 * dummy-conditions.c: Delete.
14765 2006-01-22 Zack Weinberg <zackw@panix.com>
14767 * genextract.c: Don't include insn-config.h. Do include vec.h.
14768 Declare vectors of int, char, and locstr.
14769 (locstr): New typedef.
14770 (struct extraction): Make all array fields into bare pointers.
14771 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
14772 (insn_code_number): Delete.
14773 (accum_extract): New struct.
14774 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
14775 (gen_insn): Take insn_code_number as an argument. Use an
14776 accum_extract structure instead of loading data directly into
14777 a struct extraction, and having to know how big it might get.
14778 (walk_rtx): Operate entirely on an accum_extract structure.
14779 (print_path): Avoid unnecessary use of printf.
14780 (print_header): New function, split out of main. Distinguish
14781 more carefully between an unrecognizable insn and an insn that
14782 has the code number of a define_expand.
14783 (main): Pass insn_code_number to gen_insn. Call print_header
14784 only after parsing. Avoid unnecessary use of printf.
14785 * Makefile.in (build/vec.o): New rule.
14786 (build/genextract): Depend on build/vec.o.
14787 (build/genextract.o): Don't depend on insn-config.h.
14789 2006-01-22 Zack Weinberg <zackw@panix.com>
14791 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
14792 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
14793 practical. Eliminate per-generator-program link rules.
14795 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
14797 PR middle-end/24437
14798 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
14799 with a call expr to ...
14800 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
14802 2006-01-23 Richard Guenther <rguenther@suse.de>
14804 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
14805 before make_edge with conditional EDGE_TRUE_VALUE.
14807 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
14808 Jan Hubicka <jh@suse.cz>
14809 Richard Guenther <rguenther@suse.de>
14811 PR rtl-optimization/25654
14812 * cfgexpand.c (aggregate_contains_union_type): New function.
14813 (add_alias_set_conflicts): Call it. Make sure to add conflicts
14814 for structure variables that contain a union type.
14816 2006-01-23 Richard Sandiford <richard@codesourcery.com>
14818 * gengtype.c (new_structure): Return the structure.
14819 (create_option): Add an extra "next" argument.
14820 (create_field): New function.
14821 (adjust_field_rtx_def): Use create_option and create_field.
14822 Remove a now-unnecessary call to find_structure.
14823 (adjust_field_tree_def): Likewise.
14824 (note_yacc_type): Remove an unnecessary call to find_structure.
14825 * gengtype.h (new_structure): Return the structure.
14826 (create_option): Add an extra argument.
14827 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
14828 (option): Adjust calls to create_option.
14830 2006-01-22 David Edelsohn <edelsohn@gnu.org>
14832 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
14834 2006-01-22 Paul Brook <paul@codesourcery.com>
14835 Peter Barada <peter@the-baradas.com>
14837 * config/m68k/m68k.md: Add Coldfire FPU support.
14838 Define FP mode macro and associated attributes.
14839 Use it for float mode patterns.
14840 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
14841 (LIBCALL_VALUE): Use m68k_libcall_value.
14842 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
14843 (m68k_function_value): Ditto.
14844 (emit_move_sequence): Ditto.
14845 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
14846 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
14847 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
14848 (MULTILIB_EXCEPTIONS): Ditto.
14849 * config/m68k/m68k.opt: Add mcfv4e.
14850 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
14851 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
14852 (m68k_output_function_prologue): Save ColdFire FPU registers.
14853 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
14854 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
14855 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
14856 ColdFire FPU registers.
14857 (m68k_libcall_value, m68k_function_value): New functions.
14858 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
14859 (LIBCALL_VALUE): Use m68k_libcall_value.
14860 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
14861 (MASK_COLDFIRE): Add MASK_CFV4E.
14862 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
14863 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
14864 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
14865 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
14866 (GO_IF_LEGITIMATE_ADDRESS): Use it.
14867 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
14868 * doc/invoke.tex: Document -mcfv4e on m68k.
14870 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
14872 * doc/contribute.texi: Change CVS to SVN and update the corresponding
14875 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
14878 * c-opts.c (c_common_handle_option): Don't include
14879 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
14880 * doc/invoke.texi (C++ Dialect Options): Document that
14881 -Wnon-virtual-dtor is no longer included in -Wall.
14883 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
14885 * gcov.c (print_version), gcov-dump.c (print_version),
14886 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
14889 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
14891 * df-scan.c (problem_SCAN): Added NULL reset function.
14892 (df_scan_reset_blocks): Added code to call reset block function
14893 (df_bb_refs_delete) Fixed comment.
14894 (df_insn_refs_delete): Made tolerant of deleting non existent info
14895 for dataflow problems that need to be reset.
14896 * df-core.c (df_set_blocks): Ditto.
14897 * df.h (struct df_problem): Added reset_fun.
14898 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
14899 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
14900 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
14901 functions to clear out all references to def-use or use-def chains.
14903 2006-01-21 Ben Elliston <bje@au.ibm.com>
14905 * varasm.c (assemble_real): Initialise data array.
14907 2006-01-20 Paul Brook <paul@codesourcery.com>
14909 Merge from csl-arm-branch.
14910 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
14911 * config/arm/arm.md (movdi): Force operands[1] to a register
14912 if we have a non-register source.
14913 (*arm_movdi, *movdf_soft_insn): Require that one of the
14914 operands be a register.
14915 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
14916 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
14918 2006-01-20 DJ Delorie <dj@redhat.com>
14920 * varasm.c (initializer_constant_valid_p): Allow pointers
14921 initialized from integer constants of lesser precision.
14922 (output_constant): Allow non-int-sized pointer modes to be
14923 initialized from integer constants.
14925 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
14928 * cppdefault.h (struct default_include): Add multilib flag.
14929 * cppdefault.c (cpp_include_defaults): Set it.
14930 * c.opt (-imultilib): New option.
14931 * c-opts.c (imultilib): New.
14932 (c_common_handle_option): Handle -imultilib.
14933 (c_common_post_options): Likewise.
14934 * c-incpath.c (add_standard_paths, register_include_chains):
14936 * c-incpath.h (register_include_chains): Add extra parameter.
14937 * gcc.c (do_spec_1): Generate -imultilib option.
14938 (The Specs Language): Update %I description.
14939 (process_command): Update copyright notice.
14940 * doc/cppopts.texi (-imultilib): Document.
14941 * doc/invoke.texi (-imultilib): Include in option summary.
14942 (%I): Update specs documentation.
14944 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
14946 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
14948 2006-01-20 Richard Sandiford <richard@codesourcery.com>
14950 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
14953 2006-01-20 Richard Guenther <rguenther@suse.de>
14954 Steven Bosscher <stevenb.gcc@gmail.com>
14956 PR rtl-optimization/24626
14957 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
14958 EDGE_TRUE_VALUE if in RTL mode.
14961 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
14962 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
14964 2006-01-20 Dirk Mueller <dmueller@suse.com>
14967 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
14968 instead of a special NOP marker.
14969 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
14970 NOP marker handling.
14971 * c-common.h (empty_body_warning): Add forward declaration.
14972 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
14973 Now uses IS_EMPTY_STMT() instead of special NOP markers.
14975 2006-01-20 Paul Brook <paul@codesourcery.com>
14977 * Makefile.in (lang_checks): Keep going if mkdir fails.
14979 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
14981 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
14982 be able to clean out basic block when not necessary.
14983 (df_scan_free): Fixed to properly delete information if df is
14984 unused before calling df_finish.
14985 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
14986 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
14988 (df_bb_refs_delete): New function.
14989 (df_refs_delete): Moved per block code to df_bb_refs_delete.
14990 * df-core.c (df_set_blocks): Added code to properly clean out
14991 unused blocks if they are not part of the blocks to consider.
14992 Added additional null check.
14993 (df_compact_blocks): Added basic block parameter to free_bb_fun to
14994 be able to clean out basic block when not necessary
14995 * df.h (df_free_bb_function): Ditto.
14996 (df_bb_refs_delete): New function.
14997 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
14998 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
14999 basic block parameter to be able to clean out basic block when not
15001 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
15002 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
15003 Fixed to properly delete information if df is unused before
15006 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
15008 PR rtl-optimization/25799
15009 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
15010 Corrected confluence operator to remove bits from op2 before oring
15011 with op1 rather than removing bits from op1.
15012 (df_ru_transfer_function): Corrected test on wrong bitmap which
15013 caused infinite loop. Both of these problems were introduced in
15014 the dataflow rewrite.
15016 2006-01-19 DJ Delorie <dj@redhat.com>
15018 * reload1.c (find_reload_regs): Note the details of reload
15019 failures in the dump file.
15020 (spill_failure): Likewise.
15022 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
15024 * loop-iv.c: Include df.h and hashtab.h.
15025 (enum iv_grd_result): New enum.
15026 (DF_REF_IV, DF_REF_IV_SET): New macros.
15027 (struct biv_entry): New.
15028 (df, bivs): New global variables.
15029 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
15030 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
15032 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
15033 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
15034 analyzed_for_bivness_p, record_biv): New functions.
15035 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
15036 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
15037 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
15039 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
15041 (iv_number_of_iterations): Use new interface to iv analysis.
15042 * loop-unroll.c: Do not include varray.h.
15043 (analyze_iv_to_split_insn): Use new interface to iv
15045 * loop-unswitch.c (may_unswitch_on): Ditto.
15046 * df.c (df_bitmaps_free): Only work for bbs for that structures are
15048 (df_bb_modify): Realloc tables to the new index.
15049 (df_find_use): New function.
15050 * df.h (df_find_use): Declare.
15051 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
15053 * cfgloop.h (struct rtx_iv): Remove analysed field.
15054 (iv_get_reaching_def): Removed.
15055 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
15056 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
15057 (loop-iv.o): Add df.h and hashtab.h dependency.
15058 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
15060 2006-01-20 Alan Modra <amodra@bigpond.net.au>
15063 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
15065 (__floatundisf, __floatundidf): Likewise.
15066 * libgcc2.h (IS_IBM_EXTENDED): Define.
15068 2006-01-19 DJ Delorie <dj@redhat.com>
15070 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
15072 2006-01-19 Paul Brook <paul@codesourcery.com>
15074 * config/arm/arm.c (arm_compute_func_type): Treat all functions
15075 as nothrow when unwinding tables are disabled.
15077 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15080 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
15081 of bit-field" when in system header.
15083 2006-01-19 DJ Delorie <dj@redhat.com>
15085 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
15086 the 16 bit shift limit of the m16c.
15088 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
15091 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
15092 * config/i386/i386.c (output_set_got): Output the label if we have one
15093 for the TARGET_DEEP_BRANCH_PREDICTION case.
15095 2006-01-19 Jan Hubicka <jh@suse.cz>
15096 H.J. Lu <hongjiu.lu@intel.com>
15097 Evandro Menezes <evandro.menezes@amd.com>
15099 * invoke.texi (generic): Document
15101 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
15102 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
15103 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
15104 (x86_use_incdec, x86_pad_returns): New variables
15105 (TARGET_CPU_DEFAULT_generic): New constant
15106 (TARGET_CPU_DEFAULT_NAMES): Add generic.
15107 (enum processor_type): Add generic32 and generic64.
15108 * i386.md (cpu attribute): Add generic32/generic64
15109 (movhi splitter): Behave sanely when both partial_reg_dependency and
15110 partial_reg_stall are set.
15111 (K8 splitters): Enable for generic as well.
15112 * predicates.md (incdec_operand): Use TARGET_INCDEC
15113 (aligned_operand): Avoid memory mismatch stalls.
15114 * athlon.md: Enable for generic64, new patterns for 128bit moves.
15115 * ppro.md: Enable for generic32
15116 * i386.c (generic64_cost, generic32_cost): New.
15117 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
15118 (x86_use_leave): Enable for generic64. (x86_use_sahf,
15119 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
15120 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
15121 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
15122 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
15123 x86_partial_reg_dependency, x86_memory_mismatch_stall,
15124 x86_accumulate_outgoing_args, x86_prologue_using_move,
15125 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
15126 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
15127 Enable for generic.
15128 (x86_use_incdec, x86_pad_returns): New.
15129 (override_options): Add generic32 and generic64, translate "generic"
15130 to generic32/generic64 and "i686" to "generic32", refuse
15131 "generic32"/"generic64" as arch target.
15132 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
15133 (ix86_reorg): Honor PAD_RETURNS.
15135 2006-01-19 Diego Novillo <dnovillo@redhat.com>
15137 * tree-pretty-print.c (dump_generic_node): Handle
15138 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
15139 * cgraph.c (cgraph_expand_queue): Rename from
15140 cgraph_analyze_queue. Update all users.
15141 * cgraphunit.c (cgraph_assemble_pending_functions): Process
15142 cgraph_expand_queue.
15143 (cgraph_expand_all_functions): Likewise.
15144 (cgraph_finalize_pending_functions): Remove. Update callers.
15146 * tree.h (OMP_DIRECTIVE_P): Define.
15147 (OMP_PARALLEL_FN): Define.
15148 (OMP_PARALLEL_DATA_ARG): Define.
15149 (OMP_SECTIONS_SECTIONS): Define.
15150 * tree-pass.h (pass_expand_omp): Declare.
15151 * omp-low.c (struct omp_region): Declare.
15152 (struct omp_context): Remove fields 'parallel_type',
15153 'parallel_start_ix' and 'parallel_start_additional_args'.
15155 (struct omp_for_data): Rename from struct expand_omp_for_data.
15156 (omp_regions): New static variable.
15157 (root_omp_region): New static variable.
15158 (find_omp_clause): Make static.
15159 (is_in_combined_parallel_ctx): Remove.
15160 (is_combined_parallel): New.
15161 (extract_omp_for_data): Move earlier in the file.
15162 (workshare_safe_to_combine_p): New.
15163 (get_ws_args_for): New.
15164 (determine_parallel_type): Move earlier in the file.
15165 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
15167 (omp_copy_decl): Likewise.
15168 (create_omp_child_function): Likewise.
15169 (lookup_omp_region): New.
15170 (dump_omp_region): New.
15171 (debug_omp_region): New.
15172 (debug_all_omp_regions): New.
15173 (new_omp_region): New.
15174 (scan_omp_parallel): If parallel_nesting_level > 1, the
15175 directive is nested within another parallel directive.
15176 Set OMP_PARALLEL_FN.
15177 (scan_omp_for): Do not try to handle combined parallel+for
15179 Remove FIXME comment.
15180 (scan_omp_nested): Remove.
15181 (scan_omp_1): Do not call scan_omp_nested when
15182 parallel_nesting_level is > 1.
15183 Do not change the DECL_CONTEXT of local variables found.
15184 (lookup_decl_in_outer_ctx): New.
15185 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
15186 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
15187 (lower_reduction_clauses): Rename from expand_reduction_clauses.
15188 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
15189 If CTX is nested, lookup VAR in the outer context when
15190 building copy assignment.
15191 (lower_send_clauses): Rename from expand_send_clauses.
15192 If CTX is nested, lookup VAR in the outer context when
15193 building copy assignments.
15194 (lower_send_shared_vars): Rename from expand_send_shared_vars.
15195 If CTX is nested, lookup VAR in the outer context when
15196 building copy assignments.
15197 (expand_parallel_call): Rename from build_parallel_call.
15198 Handle combined parallel+workshare cases.
15199 Re-implement to emit code into the CFG.
15201 (expand_omp_parallel): Re-implement to emit code into the CFG.
15202 Call move_sese_region_to_fn to outline the sub-graph
15203 containing the parallel region.
15204 (expand_omp_for_1): Remove.
15205 (expand_omp_for_generic): Re-implement to emit code into the
15207 (expand_omp_for_static_nochunk): Likewise.
15208 (expand_omp_for_static_chunk): Likewise.
15209 (expand_omp_for): Likewise.
15210 (expand_omp_sections): Likewise.
15211 (remove_exit_barriers): New.
15212 (expand_omp_synch): New.
15214 (build_omp_regions_1): New.
15215 (build_omp_regions): New.
15216 (execute_expand_omp): New.
15217 (gate_expand_omp): New.
15218 (pass_expand_omp): Define.
15219 (lower_omp_sections): Rename from expand_omp_sections.
15220 Set OMP_SECTIONS_SECTIONS.
15221 (lower_omp_single_simple): Rename from expand_omp_single_simple.
15222 (lower_omp_single_copy): Rename from expand_omp_single_copy.
15223 (lower_omp_single): Rename from expand_omp_simple.
15224 (lower_omp_master): Rename from expand_omp_master.
15225 (lower_omp_ordered): Rename from expand_omp_ordered.
15226 (lower_omp_critical): Rename from expand_omp_critical.
15227 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
15228 (lower_omp_for): Re-implement.
15229 (lower_omp_parallel): Re-implement.
15230 (lower_regimplify): Rename from expand_regimplify.
15231 (lower_omp_1): Rename from expand_omp_1.
15232 If there are syntax errors in the program, replace every
15233 OpenMP directive with NOP.
15234 Call lower_omp_* instead of expand_omp_*.
15235 (lower_omp): Rename from expand_omp.
15237 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
15238 * tree-gimple.h (enum omp_parallel_type): Remove.
15239 (gimple_boolify): Declare extern.
15240 (find_omp_clause, determine_parallel_type): Remove.
15242 * gimple-low.c (lower_omp_directive): New.
15243 (lower_stmt): Call it.
15244 (record_vars_into): Move from ...
15245 (record_vars): ... here.
15246 Call record_vars_into with current_function_decl.
15248 * gimplify.c (struct gimplify_ctx): Remove fields
15249 combined_pre_p and combined_ctxp. Update users.
15250 (get_formal_tmp_var): Add documentation.
15251 (gimple_boolify): Make extern.
15252 (gimplify_expr_in_ctx): Remove. Update callers.
15253 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
15254 will always be a BIND_EXPR.
15255 (gimplify_expr): Handle OMP_RETURN_EXPR.
15256 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
15257 (OMP_PARALLEL): Add 3 operands.
15258 (OMP_SECTIONS): Add 1 operand.
15259 (OMP_RETURN_EXPR): Define.
15261 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
15262 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
15263 * tree-iterator.c (alloc_stmt_list): Assert that we are not
15264 creating a circular free list.
15265 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
15267 * tree-flow.h (move_sese_region_to_fn): Declare.
15268 (record_vars_into): Declare.
15269 * tree-cfg.c (make_omp_sections_edges): New.
15270 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
15271 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
15272 OMP_SECTIONS and OMP_SECTION.
15273 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
15274 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
15275 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
15276 (gather_blocks_in_sese_region): New.
15277 (struct move_stmt_d): Declare.
15278 (move_stmt_r): New.
15279 (move_block_to_fn): New.
15280 (move_sese_region_to_fn): New.
15282 * passes.c (init_optimization_passes): Schedule
15283 pass_expand_omp after pass_init_datastructures.
15285 * tree-ssa-operands.c (get_expr_operands): Handle
15286 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
15287 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
15289 2006-01-19 Jeff Law <law@redhat.com>
15291 * tree-vrp.c (extract_range_from_assert): Refine the result range
15292 if the variable referenced by the ASSERT_EXPR has a range and
15293 either the tentative result range or the previous range is a
15296 2006-01-19 Richard Sandiford <richard@codesourcery.com>
15298 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
15300 2006-01-19 Jan Hubicka <jh@suse.cz>
15302 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
15304 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
15306 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
15307 (expand_compound_operation, expand_field_assignment): Fail if the
15308 bit lengths of an extract operation are out of range.
15309 (make_extraction): Compute wanted_inner_mode based on the position
15310 and length of the extraction. Make it extraction_mode for non-constant
15311 positions, and do not modify offset in that case. When generating a
15312 new MEM, use a mode that can hold the extraction while keeping correct
15313 alignment. Remove code that supported MEMs wrapped by USEs.
15314 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
15316 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
15318 * config/s390/s390.md ("Y", "y"): New mode attribute.
15319 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
15320 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
15321 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
15322 "*addsi3_imm_cc", "*addsi3_carry1_cc",
15323 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
15324 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
15325 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
15326 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
15327 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
15328 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
15329 "addsi3", "subsi3"): Insn patterns removed.
15330 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
15331 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
15332 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
15333 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
15334 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
15335 "*sub<mode>3_cconly2"): New insn patterns.
15336 ("addsi3", "subsi3"): New expanders.
15338 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
15340 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
15341 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
15342 existing STMT_VINFO_VECTYPE if available.
15343 (vect_mark_relevant): Add special handling for stmts that are
15344 marked as STMT_VINFO_IN_PATTERN_P.
15345 (vect_analyze_loop): Call vect_pattern_recog.
15346 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
15347 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
15349 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
15350 (vect_recog_func_ptr): New function-pointer type.
15351 * tree-vect-patterns.c: New file.
15352 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
15353 (vect_recog_dot_prod_pattern, vect_pattern_recog):
15354 (vect_pattern_recog_1): New functions.
15355 (vect_pattern_recog_funcs): New array of function pointers.
15357 * tree-vectorizer.h (ternary_op): New enum value.
15358 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
15359 declaration. Revised documentation. Removed redundant dump prints.
15360 Removed redundant argument. Added support for reduction patterns.
15361 (vectorizable_reduction): Added support for reduction patterns.
15362 (vect_transform_stmt): Added support for patterns.
15364 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
15365 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
15366 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
15367 (expand_widen_pattern_expr): New function.
15368 (init_optabs): Initialize new optabs udot_prod_optab,
15370 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
15371 (sdot_prod_optab, udot_prod_optab): Define new optabs.
15372 (expand_widen_pattern_expr): New function declaration.
15373 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
15375 * tree-inline.c (estimate_num_insns_1): Added cases for new
15376 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
15377 * tree-pretty-print.c (dump_generic_node): Likewise.
15378 (op_prio): Likewise.
15379 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
15380 * tree-ssa-operands.c (get_expr_operands): Added case for
15382 * tree-vect-patterns.c (widened_name_p): New function.
15383 (vect_recog_dot_prod_pattern): Added function implementation.
15384 * tree-vect-transform.c (get_initial_def_for_reduction): Added
15385 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
15386 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
15387 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
15389 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
15390 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
15391 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
15392 (init_optabs): Initialize new optabs widen_ssum_optab,
15394 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
15395 (widen_ssum_optab, widen_usum_optab): Define new optabs.
15396 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
15397 use instead of type of def.
15398 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
15399 function implementation.
15400 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
15401 widen_ssumv8hi): New.
15403 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
15406 2006-01-19 Richard Sandiford <richard@codesourcery.com>
15409 * c-decl.c (add_flexible_array_elts_to_size): New function.
15410 (finish_decl): Use it.
15412 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
15414 * diagnostic.h: Include options.h.
15415 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
15416 dependancies for diagnostic.h.
15417 * Makefile.in (DIAGNOSTIC_H): Add options.h.
15419 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
15421 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
15422 (ssa_ro_call_cache_valid): Ditto.
15423 * tree-ssa-alias.c (sort_tags_by_id): New function.
15424 (init_transitive_clobber_worklist): Ditto.
15425 (add_to_worklist): Ditto.
15426 (mark_aliases_call_clobbered): Ditto.
15427 (compute_tag_properties): Ditto.
15428 (set_initial_properties): Ditto.
15429 (compute_call_clobbered): Ditto.
15430 (compute_may_aliases): Call compute_call_clobbered and grouping.
15431 (compute_flow_sensitive_aliasing): Remove clobbering related code.
15432 (compute_flow_insensitive_aliasing): Grouping now happens in our
15434 (setup_pointers_and_addressables): Remove clobbering related code.
15435 (add_may_alias): Ditto.
15436 (replace_may_alias): Ditto.
15437 (get_nmt_for): Ditto.
15438 (create_global_var):
15439 (is_escape_site): Return an escape_type enumeration.
15440 * tree-flow-inline.h (is_call_clobbered): Global var does not
15441 imply call clobbered.
15442 (mark_call_clobbered): Take a reason for marking this. Remove
15443 marking of globalness, and cache invalidation.
15444 (clear_call_clobbered): Remove cache invalidation code.
15445 * tree-dfa.c (dump_variable): If details is on, dump the reason
15447 * tree-outof-ssa.c (create_temp): Copy escape mask from original
15449 * tree-flow.h (struct ptr_info_def): Add escape mask member.
15450 (struct var_ann_d): Ditto.
15451 (enum escape_type): New.
15452 (mark_call_clobbered): Adjust prototype.
15453 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
15454 are never call clobbered.
15455 Record reasons for escaping.
15456 * tree-ssa-structalias.h (is_escape_site): Update prototype.
15457 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
15458 (ssa_ro_call_cache_valid): Ditto.
15459 (clobbered_v_may_defs): Ditto.
15460 (clobbered_vuses): Ditto.
15461 (ro_call_vuses): Ditto.
15462 (clobber_stats): New.
15463 (init_ssa_operands): Zero out clobber stats.
15464 (fini_ssa_operands): Print out clobber stats.
15465 (get_call_expr_operands): Pass callee fndecl to
15466 add_call_read_ops).
15467 (add_call_clobber_ops): Remove use of cache.
15468 Add use of PURE_CONST information.
15469 (add_call_read_ops): Remove use of cache.
15470 Add use of static not_read information.
15472 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
15474 Introduce TLS descriptors for i386 and x86_64.
15475 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
15476 (TARGET_ANY_GNU_TLS): New macro.
15477 (enum tls_dialect): Added TLS_DIALECT_GNU2.
15478 (struct machine_function): Add tls_descriptor_call_expanded_p.
15479 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
15480 (ix86_current_function_calls_tls_descriptor): Likewise.
15481 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
15482 (override_options): Introduce gnu2 tls dialect.
15483 (ix86_frame_pointer_required): Functions containing TLSCALLs are
15485 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
15487 (legitimize_tls_address): Adjust logic for GNU2 TLS.
15488 (ix86_init_machine_status): Initialize new field.
15489 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
15490 (ix86_tls_module_base): New.
15491 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
15492 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
15493 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
15494 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
15495 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
15496 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
15497 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
15498 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
15499 * config/i386/predicates.md (tls_modbase_operand): New.
15500 (tp_or_register_operand): New.
15502 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
15504 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
15505 (look_for_address_of): Ditto.
15506 (ipa_init): Walk the function decls.
15507 (static_execute): Don't set readonly on FUNCTION_DECL's.
15509 2006-01-18 Roger Sayle <roger@eyesopen.com>
15511 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
15512 for shifts where the source and destination registers are different.
15514 2006-01-18 Paul Brook <paul@codesourcery.com>
15516 Merge from csl-arm-branch.
15517 2005-03-14 Julian Brown <julian@codesourcery.com>
15518 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
15519 (aeabi_llsl): Likewise.
15520 (ashrdi3): Likewise.
15521 (aeabi_lasr): Likewise.
15522 (lshrdi3): Likewise.
15523 (aeabi_llsr): Likewise.
15524 2005-03-10 Julian Brown <julian@codesourcery.com>
15525 * config.gcc: Disable shared libgcc for SymbianOS.
15526 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
15528 2006-01-18 DJ Delorie <dj@redhat.com>
15530 * c-pragma.c (handle_pragma_diagnostic): New.
15531 (init_pragma): Register it.
15532 * doc/extend.texi: Document it.
15534 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
15535 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
15536 (diagnostic_context): Add classify_diagnostic[].
15537 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
15538 as errors if they're overridden to DK_WARNING.
15539 (diagnostic_initialize): Initialize classify_diagnostic[].
15540 (diagnostic_set_kind_override): New.
15541 (diagnostic_report_diagnostic): Check for kind changes.
15542 * opts.c (common_handle_option): Take lang_mask. Update callers.
15543 Handle OPT_Werror_.
15544 * common.opt (Werror=): New.
15545 * doc/invoke.texi: Document -Werror=*
15547 2006-01-18 Jeff Law <law@redhat.com>
15549 * tree-vrp.c (test_for_singularity): Correct test for new
15550 min limit. Use operand_equal_p rather than pointer equality
15551 for testing if new min/max values are equal.
15553 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
15554 using range information until after propagation and folding.
15556 2006-01-18 Richard Henderson <rth@redhat.com>
15557 Aldy Hernandez <aldyh@redhat.com>
15558 Jakub Jelinek <jakub@redhat.com>
15559 Diego Novillo <dnovillo@redhat.com>
15561 * omp-low.c: New file.
15562 * c-omp.c: New file.
15564 2006-01-18 Richard Henderson <rth@redhat.com>
15565 Jakub Jelinek <jakub@redhat.com>
15566 Diego Novillo <dnovillo@redhat.com>
15568 * doc/invoke.texi: Document -fopenmp.
15569 * tree-dump.h (debug_function): Declare.
15570 * hooks.c (hook_bool_tree_bool_false): New function.
15571 (hook_tree_tree_null): Remove.
15572 (hook_tree_tree_tree_null): New.
15573 * hooks.h: Update to match.
15574 * tree-pretty-print.c (debug_tree_chain): New.
15575 (print_generic_expr): Handle TDF_CHAIN.
15576 (dump_generic_node): Handle BLOCK.
15577 Do not abort with incomplete SWITCH_EXPRs.
15578 Do not dump body of an OpenMP directive if TDF_SLIM is given.
15579 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
15580 print space after directive name.
15581 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
15582 Handle OMP_MASTER and OMP_ORDERED.
15583 Handle printing of OMP_BODY just in one place, goto
15584 dump_omp_body in the rest of OMP_* nodes that have
15586 Don't handle clause nodes here. Update omp statements to
15587 use dump_omp_clauses.
15588 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
15589 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
15590 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
15591 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
15592 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
15593 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
15594 Adjust output for GOMP_PARALLEL.
15595 (dump_omp_clauses): New.
15596 (print_declaration): Dump DECL_VALUE_EXPR.
15597 (op_symbol_1): Split out of op_symbol.
15598 (dumping_stmts): Remove. Update all users.
15599 * cgraph.c (cgraph_analyze_queue): New.
15600 (cgraph_add_new_function): New.
15601 * cgraph.h (cgraph_analyze_queue): Declare.
15602 (cgraph_add_new_function): Declare.
15603 (cgraph_lower_function): Remove.
15604 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
15605 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
15606 and TYPE_P nodes in its default clause.
15607 (empty_body_p): New.
15608 (tree_range_check_failed): New.
15609 (build5_stat): New.
15610 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
15611 OMP_CLAUSE_REDUCTION_MERGE,
15612 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
15613 OMP_CLAUSE_PRIVATE_DEBUG,
15614 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
15615 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
15616 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
15617 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
15618 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
15619 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
15620 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
15621 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
15622 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
15623 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
15624 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
15625 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
15626 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
15627 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
15628 (TREE_RANGE_CHECK): New.
15629 (empty_body_p): Declare.
15630 (enum omp_clause_default_kind): New.
15631 (build_string_literal): Declare.
15632 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
15633 (build5_stat, build5): Declare.
15634 * tree-pass.h (TDF_CHAIN): Define.
15635 * tree-pass.h (PROP_gimple_lomp): Define.
15636 (pass_lower_omp): Declare.
15637 * diagnostic.h (debug_tree_chain): Declare.
15638 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
15640 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
15641 * builtins.c (build_string_literal): Make extern.
15642 * gcc.c (include_spec_function): New.
15643 (static_spec_functions): Add it.
15644 (main): Move load of libgomp.spec ...
15645 (LINK_COMMAND_SPEC): ... here.
15646 (link_gomp_spec): New.
15647 (static_specs): Include it.
15648 (LINK_COMMAND_SPEC): Add link_gomp.
15649 (GOMP_SELF_SPECS): New.
15650 (driver_self_specs): Include it.
15651 (switch_matches): Don't mark inline.
15652 (main): Load libgomp.spec.
15653 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
15654 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
15655 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
15656 * tree-gimple.h (enum omp_parallel): Declare.
15657 (determine_parallel_type): Declare.
15658 (omp_firstprivatize_variable): Declare.
15659 (omp_reduction_init): Declare.
15660 (diagnose_omp_structured_block_errors): Declare.
15661 (struct walk_stmt_info): Add want_return_expr.
15662 (struct walk_stmt_info): Add want_bind_expr, want_locations.
15663 (find_omp_clause): Declare.
15664 (insert_field_into_struct): Declare.
15665 (struct walk_stmt_info): Move from tree-nested.c
15666 (walk_stmts): Declare.
15667 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
15669 * cgraphunit.c (cgraph_lower_function): Make static.
15670 (cgraph_finalize_pending_functions): New.
15671 (cgraph_finalize_function): Call it.
15672 (cgraph_finalize_compilation_unit): Likewise.
15673 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
15674 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
15675 (BT_FN_UINT_UINT): New.
15676 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
15677 DEF_FUNCTION_TYPE_VAR_4): Document.
15678 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
15679 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
15680 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
15681 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
15682 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
15683 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
15684 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
15685 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
15686 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
15687 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
15688 into separate files.
15689 (DEF_GOMP_BUILTIN): New.
15690 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
15691 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
15692 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
15693 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
15694 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
15695 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
15696 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
15697 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
15698 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
15699 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
15700 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
15701 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
15702 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
15703 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
15704 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
15705 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
15706 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
15707 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
15708 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
15709 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
15710 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
15711 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
15712 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
15713 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
15714 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
15715 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
15716 * sync-builtins.def: New file, moved from builtins.def.
15717 * omp-builtins.def: New file, moved from builtins.def.
15718 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
15719 * gimple-low.c (lower_function_body): Clear data.
15720 (lower_stmt): Do not handle COMPOUND_EXPR.
15721 Remove call to print_node_brief.
15722 * c-tree.h (c_finish_omp_clauses): New prototype.
15723 (C_DECL_THREADPRIVATE_P): Define.
15724 (lookup_name_no_remap, c_omp_remap_private): Remove
15725 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
15726 (check_for_loop_decls): Update decl.
15727 (lookup_name_no_remap, c_omp_remap_private): Declare.
15728 (build_indirect_ref, build_modify_expr, pushdecl,
15729 pushdecl_top_level): Move to c-common.h.
15730 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
15731 before the switch, but just in the 2 places that need it.
15732 * c-decl.c (diagnose_mismatched_decls): Do not check for
15733 mismatched thread-local attributes when OLDDECL is marked
15734 threadprivate and NEWDECL has no thread-local attributes.
15735 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
15736 (c_gimple_diagnostics_recursively): Rename from
15737 c_warn_unused_result_recursively. Invoke
15738 diagnose_omp_structured_block_errors.
15739 (check_for_loop_decls): Return a singular decl found.
15740 * langhooks.c (lhd_omp_predetermined_sharing): Return
15741 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
15742 (lhd_omp_firstprivatize_type_sizes): New.
15743 (lhd_omp_assignment): New.
15744 (lhd_omp_predetermined_sharing): New.
15745 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
15746 (struct lang_hooks_for_types): Add
15747 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
15748 omp_predetermined_sharing, omp_disregard_value_expr,
15749 omp_private_debug_clause, omp_clause_default_ctor,
15750 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
15751 (c_finish_omp_clauses): New.
15752 (c_finish_bc_stmt): Diagnose break within omp for.
15753 (c_begin_omp_parallel, c_finish_omp_parallel): New.
15754 (build_unary_op): Return error_mark after reporting
15756 (build_modify_expr): Likewise.
15757 * gimplify.c: Include optabs.h and pointer-set.h.
15758 (enum gimplify_omp_var_data): Declare.
15759 (struct gimplify_omp_ctx): Declare.
15760 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
15762 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
15763 (push_gimplify_context, pop_gimplify_context): Allow nesting.
15764 (splay_tree_compare_decl_uid): New.
15765 (new_omp_context): New.
15766 (delete_omp_context): New.
15767 (gimple_add_tmp_var): Call omp_add_variable.
15768 (gimplify_bind_expr): Likewise.
15769 (gimplify_var_or_parm_decl): If omp_notice_variable returned
15770 true, disregard DECL_VALUE_EXPR on the decl if any.
15771 (gimplify_expr_in_ctx): New.
15772 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
15773 omp_add_variable, omp_notice_variable, omp_is_private
15774 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
15775 gimplify_adjust_omp_clauses, gimplify_omp_parallel
15776 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
15777 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
15778 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
15779 gimplify_omp_atomic): New.
15780 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
15781 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
15782 OMP_CRITICAL and OMP_ATOMIC.
15783 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
15784 * c-pragma.h (enum pragma_kind): Add
15785 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
15786 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
15787 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
15788 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
15789 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
15790 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
15791 PRAGMA_OMP_THREADPRIVATE.
15792 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
15793 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
15794 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
15795 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
15796 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
15797 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
15798 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
15799 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
15800 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
15801 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
15802 * tree-ssa-dce.c (find_control_dependence): Do not assume that
15803 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
15804 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
15806 (struct nesting_info): Add field_map,
15807 suppress_expansion, debug_var_chain.
15808 (create_nesting_tree): Initialize them.
15809 (lookup_field_for_decl): Use field_map.
15810 (get_nonlocal_debug_decl, get_local_debug_decl): New.
15811 (convert_local_omp_clauses): New.
15812 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
15813 (walk_body): Split out of walk_function.
15814 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
15815 (convert_nonlocal_reference): Handle omp statements.
15816 (convert_local_reference): Likewise.
15817 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
15818 (unnest_nesting_tree): New.
15819 (lower_nested_functions): Call it.
15820 (insert_field_into_struct): Make extern.
15821 (struct walk_stmt_info): Move to tree-gimple.h.
15822 (walk_stmts): Make extern.
15823 * omp-builtins.def: New file.
15824 * tree-iterator.c (expr_only): Clarify comment.
15825 * c-common.h (pushdecl_top_level, pushdecl,
15826 build_modify_expr, build_indirect_ref,
15827 c_finish_omp_master, c_finish_omp_critical,
15828 c_finish_omp_ordered, c_finish_omp_barrier,
15829 c_finish_omp_atomic, c_finish_omp_flush,
15830 c_finish_omp_for, c_split_parallel_clauses,
15831 omp_clause_default_kind, c_omp_sharing_predetermined,
15832 c_omp_remap_decl): Declare.
15833 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
15834 (OBJS-common): Add omp-low.o.
15835 (c-omp.o, omp-low.o): Add.
15836 (gimplify.o): Add dependency on $(OPTABS_H).
15837 (GTFILES): Add omp-low.c.
15838 (gt-stringpool.h): Add.
15839 * tree-cfg.c (set_bb_for_stmt): Do not update the
15840 block-to-labels map if we are currently expanding to RTL.
15841 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
15843 Handle IDENTIFIER_NODE.
15844 (tree_verify_flow_info): Do not ICE when emitting error
15845 messages about invalid labels.
15846 (dump_function_to_file): Reset CFUN before emitting the body
15848 (debug_function): New.
15849 * passes.c (init_optimization_passes): Schedule
15851 * langhooks-def.h (lhd_omp_predetermined_sharing,
15852 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
15854 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
15855 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
15856 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
15857 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
15858 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
15859 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
15860 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
15861 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
15862 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
15863 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
15864 (LANG_HOOK_DECLS): Use them.
15866 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
15867 Richard Henderson <rth@redhat.com>
15868 Jakub Jelinek <jakub@redhat.com>
15869 Diego Novillo <dnovillo@redhat.com>
15871 * c-parser.c (pragma_omp_clause): Define.
15872 (c_parser_declaration_or_fndef): Document OpenMP syntax.
15873 (c_parser_compound_statement): Likewise.
15874 (c_parser_statement): Likewise.
15875 (c_parser_pragma): Handle omp pragmas.
15876 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
15877 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
15878 (c_parser_omp_clause_name, check_no_duplicate_clause,
15879 c_parser_omp_variable_list,
15880 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
15881 c_parser_omp_clause_copyprivate,
15882 c_parser_omp_clause_default,
15883 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
15884 c_parser_omp_clause_lastprivate,
15885 c_parser_omp_clause_nowait,
15886 c_parser_omp_clause_num_threads,
15887 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
15888 c_parser_omp_clause_reduction,
15889 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
15890 c_parser_omp_all_clauses, c_parser_omp_structured_block,
15891 c_parser_omp_atomic, c_parser_omp_barrier,
15892 c_parser_omp_critical, c_parser_omp_flush,
15893 c_parser_omp_for_loop, c_parser_omp_for,
15894 c_parser_omp_master, c_parser_omp_ordered,
15895 c_parser_omp_sections_scope, c_parser_omp_sections,
15896 c_parser_omp_parallel, c_parser_omp_single,
15897 c_parser_omp_construct, c_parser_omp_threadprivate): New.
15898 * c-pragma.c (init_pragma): Do omp pragma registration here.
15899 * c.opt (fopenmp): New flag.
15901 2006-01-18 Eric Christopher <echristo@apple.com>
15903 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
15904 * config/darwin.h (GOMP_SELF_SPECS): Define.
15906 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15908 * rtl.h: Remove the prototype for reg_alloc.
15910 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15913 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
15914 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
15915 sjlj and dwarf2 exception handling.
15916 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
15917 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
15918 * pa/pa.c (function_value): Treat complex and vector types as
15920 (function_arg): Likewise. Only pass scalar floats in the floating
15921 point argument registers.
15922 * pa/t-slibgcc-dwarf-ver: New file.
15923 * pa/t-slibgcc-sjlj-ver: New file.
15924 * pa/t-slibgcc-elf-ver: Delete file.
15926 2006-01-19 Alan Modra <amodra@bigpond.net.au>
15928 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
15929 unlikely_test_section_p test.
15931 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15933 * mode-switching.c (optimize_mode_switching): Make it static.
15934 * basic-block.h: Remove the prototype for
15935 optimize_mode_switching.
15937 * modulo-sched.c (sms_schedule): Make it static.
15938 * rtl.h: Remove the prototype for sms_schedule.
15940 * postreload-gcse.c (gcse_after_reload_main): Make it static.
15941 * rtl.h: Remove the prototype for gcse_after_reload_main.
15943 * reg-stack.c (reg_to_stack): Make it static.
15944 * rtl.h: Remove the prototype for reg_to_stack.
15946 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
15948 * rtl.h: Remove the prototypes for regrename_optimize and
15949 copyprop_hardreg_forward.
15951 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
15953 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
15954 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
15955 Test against the appropriate null constant for the mode.
15956 If 'fixup_overlap' is true, swap the operands if they overlap.
15957 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
15958 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
15959 alpha_split_tmode_pair and adjust for above change.
15960 * config/alpha/alpha.md (movtf_internal): Adjust call to
15961 alpha_split_tfmode_pair and rely on it to swap the operands.
15962 (movti_internal): New insn and post-reload splitter.
15963 (movti): New expander.
15965 2006-01-18 Philippe De Muyter <phdm@macqel.be>
15967 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
15970 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15972 * rtlanal.c (global_reg_mentioned_p_1,
15973 global_reg_mentioned_p): Remove.
15974 * rtl.h: Remove the prototype for global_reg_mentioned_p.
15976 * flow.c (initialize_uninitialized_subregs): Make it static.
15977 * rtl.h: Remove the prototype for
15978 initialize_uninitialized_subregs.
15980 * function.c (instantiate_virtual_regs): Make it static.
15981 * function.h: Remove the prototype for
15982 instantiate_virtual_regs.
15984 * regmove.c (regmove_optimize, combine_stack_adjustments):
15986 * rtl.h: Remove the prototypes for regmove_optimize and
15987 combine_stack_adjustments.
15989 2006-01-17 Roger Sayle <roger@eyesopen.com>
15991 * config/i386/i386.c (COSTS_N_BYTES): New macro.
15992 (size_cost): Encode costs in bytes so that a reg-reg addition is
15993 equivalent to COSTS_N_INSNS(1).
15994 (override_options): Use the size_cost.branch_cost as the default
15995 ix86_branch_cost when optimizing for size.
15997 2006-01-18 Ben Elliston <bje@au.ibm.com>
15999 * Makefile.in (D32PBIT_FUNCS): New.
16000 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
16001 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
16002 D64PBIT_FUNCS and D128PBIT_FUNCS.
16003 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
16004 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
16006 (decnumber_dep): Define.
16007 * doc/libgcc.texi (Decimal float library routines): New node.
16008 * config/dfp-bit.h, config/dfp-bit.c: New files.
16010 2006-01-18 Ben Elliston <bje@au.ibm.com>
16012 * expr.c (emit_move_change_mode): Always adjust addresses, not
16013 just during reload. Copy replacements only during reload.
16014 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
16015 emit_move_via_integer.
16017 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
16019 * Makefile.in (check-%, check-consistency): Use $${srcdir}
16020 instead of $(srcdir) and ${srcdir}.
16022 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
16025 PR middle-end/11135
16026 * arm.h (struct machine_function): Add pic_reg.
16027 * arm.c (arm_pic_register): Make unsigned.
16028 (arm_override_options): Only set arm_pic_register if
16029 TARGET_SINGLE_PIC_BASE.
16030 (use_return_insn): Only test for a pic register if it is fixed.
16031 (arm_compute_save_reg0_reg12_mask): Likewise.
16032 (thumb_compute_save_reg_mask): Likewise.
16033 (legitimate_pic_operand): Factor out some known invariants.
16034 (legitimize_pic_address): If we don't have a fixed pic register,
16035 then set up a pseudo in the function entry sequence. Handle the
16036 pic base being in a pseudo.
16037 (arm_load_pic_register): Handle the pic register being in a pseudo.
16038 (arm_expand_prologue): Only set up the pic register if it is fixed.
16039 (thumb_expand_prologue): Likewise.
16040 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
16041 (pic_load_addr_based_insn): Likewise.
16042 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
16045 2006-01-18 Ben Elliston <bje@au.ibm.com>
16047 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
16048 decimal float modes for all floating point registers.
16050 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
16051 match_code "mem" with match_test "macho_lo_sum_memory_operand".
16053 2006-01-17 Jakub Jelinek <jakub@redhat.com>
16056 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
16057 even when the pointer is not NULL.
16059 2006-01-16 Ian Lance Taylor <ian@airs.com>
16061 * common.opt (ftoplevel-reorder): New option.
16062 * cgraph.c (cgraph_asm_nodes): New global variable.
16063 (cgraph_asm_last_node): New static variable.
16064 (cgraph_order): New global variable.
16065 (cgraph_create_node): Set new order field.
16066 (cgraph_varpool_node): Likewise.
16067 (decide_is_variable_needed): Return true if not
16068 flag_toplevel_reorder.
16069 (cgraph_add_asm_node): New function.
16070 * cgraph.h (struct cgraph_node): Add order field.
16071 (struct cgraph_varpool_node): Add order field.
16072 (struct cgraph_asm_node): Define.
16073 (cgraph_asm_nodes, cgraph_order): Declare.
16074 (cgraph_add_asm_node): Declare.
16075 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
16077 (cgraph_varpool_assemble_pending_decls): Call it.
16078 (cgraph_output_pending_asms): New static function.
16079 (cgraph_finalize_compilation_unit): Call it.
16080 (struct cgraph_order_sort): Define.
16081 (cgraph_output_in_order): New static function.
16082 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
16083 !flag_toplevel_reorder case.
16084 * c-parser.c: Include "cgraph.h".
16085 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
16087 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
16088 than -fno-unit-at-a-time.
16089 * doc/invoke.texi (Option Summary): Mention
16090 -fno-toplevel-reorder.
16091 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
16092 -funit-at-a-time documentation.
16094 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
16095 Kazu Hirata <kazu@codesourcery.com>
16097 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
16099 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
16101 * Makefile.in (FUNCTION_H): New. Use it instead of
16102 function.h throughout the file.
16103 * function.h: Include tree.h.
16105 2006-01-17 Ben Elliston <bje@au.ibm.com>
16107 * recog.c: Separate some functions with whitespace.
16109 2006-01-16 Richard Henderson <rth@redhat.com>
16111 Merge from gomp branch:
16112 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
16113 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
16114 and rename from struct inline_data. Rename callee* to dst*;
16115 caller* to src*; add copy_decl hook, transform_call_graph_edges,
16116 transform_new_cfg, transform_return_to_modify, and
16117 transform_lang_insert_block flags; remove cloning_p, versioning_p,
16119 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
16120 (copy_decl_for_dup): Remove.
16121 * tree-inline.c (struct inline_data): Move to header.
16122 (insert_decl_map): Export.
16123 (remap_decl): Update for member name changes. Use copy_decl hook.
16124 Allow for replacement to be a non-decl. Remove dead code.
16125 (remap_type_1): Check for existing mapping.
16126 (remap_type): Export.
16127 (remap_decls): Update for member name changes.
16128 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
16129 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
16130 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
16131 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
16132 (tree_function_versioning, build_duplicate_type): Likewise.
16133 (copy_body_r): Likewise. Export.
16134 (copy_decl_for_dup): Split into ...
16135 (copy_decl_for_dup_finish, copy_decl_to_var,
16136 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
16137 (replace_ref_tree, inlining_p): Remove.
16139 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16141 * ifcvt.c (if_convert): Make it static.
16142 * rtl.h: Remove the prototype for if_convert.
16144 * local-alloc.c (local_alloc): Make it static.
16145 * rtl.h: Remove the prototype for local_alloc.
16147 * loop.c (loop_optimize): Make it static.
16148 * cfgloop.h: Remove the prototype for loop_optimize.
16151 2006-01-16 DJ Delorie <dj@redhat.com>
16153 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
16156 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16158 * pa.md: Disparage copies between general and floating-point registers
16159 in 32-bit move patterns.
16161 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
16164 * Makefile.in (check-%): Depend on site.exp instead of
16165 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
16168 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16170 * global.c (global_alloc): Make it static.
16171 * rtl.h: Remove the prototype for global_alloc.
16173 2006-01-16 Richard Guenther <rguenther@suse.de>
16175 * tree-ssa-alias.c (struct used_part): Add write_only field.
16176 (get_or_create_used_part_for): Initialize it to true.
16177 (create_overlap_variables_for): Don't create structure variables
16178 for structures that only are written to.
16179 (find_used_portions): Handle MODIFY_EXPR to track whether a
16180 structure is only written to.
16182 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16184 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
16186 * basic-block.h: Remove the prototype for
16187 partition_hot_cold_basic_blocks.
16189 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
16191 * cppspec.c (lang_specific_spec_functions): Remove.
16192 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
16193 * gcc.h (lang_specific_spec_functions): Remove.
16194 * gccspec.c (lang_specific_spec_functions): Remove.
16196 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
16198 * combine.c (record_value_for_reg): Invalidate registers
16200 (record_dead_and_set_regs_1): Likewise, by passing them to
16201 record_value_for_reg.
16202 (record_dead_and_set_regs): Invalidate stores made by a
16203 call. We do not combine across a call, but we still
16204 relied on equivalences.
16206 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
16208 * tree-vrp.c (extract_range_from_binary_expr): Cope with
16209 vrp_int_const_binop returning non-constant nodes.
16211 2006-01-16 Paul Brook <paul@codesourcery.com>
16213 * config/m68k/m68k.c (output_move_const_into_data_reg):
16214 Output correct mnemonic for mvz and mvs.
16216 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
16218 * rtl-factoring.c: Add sequence abstraction algorithm.
16219 * cfgcleanup.c (outgoing_edges_match): Extra checks.
16220 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
16222 (block_has_preserve_label): New function.
16223 * common.opt: Register new pass.
16224 * Makefile.in: Ditto.
16226 * timevar.def: Ditto.
16227 * tree-pass.h: Ditto.
16228 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
16229 * rtl.h (make_jump_insn_raw): Add forward decl.
16230 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
16232 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
16233 Roger Sayle <roger@eyesopen.com>
16235 * fold-const.c (fold_minmax): New static function.
16236 (fold_binary) <MIN_EXPR>: Call it.
16237 <MAX_EXPR>: Likewise.
16238 * stor-layout.c (place_field): Use DECL_SIZE consistently
16239 in the computation of the new record size.
16241 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16243 * cse.c (cse_condition_code_reg): Make it static.
16244 * rtl.h: Remove the prototype for cse_condition_code_reg.
16246 * combine.c (combine_instructions): Make it static.
16247 * rtl.h: Remove the prototype for combine_instructions.
16249 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16252 * tree.c (get_file_function_name_long): Concatenate the first global
16253 object name with a string derived from the input filename of the object
16256 2006-01-16 Ben Elliston <bje@au.ibm.com>
16258 * config/i386/winnt-stubs.c: Update FSF address.
16259 * config/xtensa/ieee754-df.S: Ditto.
16260 * config/xtensa/ieee754-sf.S: Ditto.
16262 2006-01-14 Ian Lance Taylor <ian@airs.com>
16264 * ifcvt.c (noce_init_if_info): New static function, broken out of
16265 noce_process_if_block.
16266 (noce_process_if_block): Call noce_init_if_info.
16267 (check_cond_move_block): New static function.
16268 (cond_move_process_if_block): New static function.
16269 (process_if_block): Call cond_move_process_if_block.
16271 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
16273 * cselib.c (hash_table): Rename to cselib_hash_table.
16274 (cselib_clear_table, discard_useless_values,
16275 remove_useless_values, cselib_lookup_mem, cselib_lookup,
16276 cselib_init, cselib_finish): Adjust uses of hash_table.
16278 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
16280 PR tree-optimization/25485
16281 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
16282 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
16283 is known to be false and true, respectively.
16285 2006-01-14 Richard Guenther <rguenther@suse.de>
16287 PR tree-optimization/22548
16288 PR tree-optimization/22555
16289 PR tree-optimization/22501
16290 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
16291 * params.def (salias-max-array-elements): New parameter.
16292 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
16293 * doc/invoke.texi (salias-max-array-elements): Document.
16294 * tree-flow-inline.h (var_can_have_subvars): We also handle
16296 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
16298 * tree-ssa-structalias.c (params.h): Include.
16299 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
16300 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
16301 (get_constraint_for): For ADDR_EXPR operating on something
16302 containing an ARRAY_REF, add all subvars to the solution.
16303 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
16304 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
16305 for creating MUST_DEFs.
16306 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
16308 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
16310 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
16312 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
16313 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
16314 number_of_iterations_le): New functions.
16315 (number_of_iterations_special): Removed.
16316 (number_of_iterations_exit): Do not use number_of_iterations_special.
16317 * tree.c (unsigned_type_for): Always return integer type.
16319 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
16320 Richard Guenther <rguenther@suse.de>
16322 PR rtl-optimization/24257
16323 * gcse.c (find_moveable_store): Only consider a store movable
16324 when the SET_SRC of the insn can be assigned to a register.
16326 2006-01-14 Ian Lance Taylor <ian@airs.com>
16328 * tree.c (tree_not_class_check_failed): New function.
16329 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
16330 (tree_not_class_check_failed): Declare.
16332 2006-01-13 Ian Lance Taylor <ian@airs.com>
16334 * reload1.c (do_output_reload): Add assertion rejecting a
16337 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
16339 * combine.c (struct reg_stat): Add new fields truncation_label and
16341 (record_value_for_reg): Reset truncated_to_mode.
16342 (record_truncated_value): New function.
16343 (check_promoted_subreg): Call it. Rename to check_conversions.
16344 (combine_instructions): Rename check_promoted_subreg to
16346 (reg_truncated_to_mode): New function.
16347 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
16348 (gen_lowpart_or_truncate): New function.
16349 (force_to_mode): Use it instead of gen_lowpart.
16351 2006-01-13 Diego Novillo <dnovillo@redhat.com>
16353 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
16354 VAR is a tag, not its type tag.
16356 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
16358 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
16359 alternatives to match style of other entries.
16360 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
16362 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
16364 PR tree-optimization/25771
16365 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
16368 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
16371 * tree-inline.c (declare_return_variable): If the return variable
16372 was marked as a non gimple complex, set the return slot variable
16373 to be a non gimple comple variable.
16375 2006-01-13 Richard Guenther <rguenther@suse.de>
16377 * builtins.c (expand_builtin_sincos): New function.
16378 (expand_builtin_mathfn_3): Remove dead code, sin and cos
16380 (expand_builtin): Expand sincos using expand_builtin_sincos.
16382 2006-01-12 DJ Delorie <dj@redhat.com>
16384 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
16385 shift counts, separate SI shifts for m32c vs m16c, pass shift type
16386 so that constant shifts can be split.
16387 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
16388 (m32c_valid_pointer_mode): Make static.
16389 (shift_gen_func_for): New.
16390 (m32c_prepare_shift): Use it. Split large const shifts into
16392 * config/m32c/predicates.md (shiftcount_operand): Allow more
16394 (longshiftcount_operand): New.
16395 * doc/md.texi (Machine Constraints): Document In6.
16397 2006-01-13 Ben Elliston <bje@au.ibm.com>
16399 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
16400 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
16403 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
16405 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
16406 to try to avoid clobbering pieces of structures when we know
16407 something about the whole structure.
16408 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
16410 2006-01-13 Ben Elliston <bje@au.ibm.com>
16412 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
16413 return in memory, as this is no limitation is no longer present.
16415 2006-01-12 DJ Delorie <dj@redhat.com>
16417 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
16418 mova with fb, and for fb+0 -> An.
16420 * config/m32c/mov.md (peephole2): Fix enabling logic.
16422 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
16423 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
16424 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
16425 FINI_ARRAY_SECTION_ASM_OP): Define.
16427 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
16429 (m32c_legitimize_reload_address): New logic to reload FB to An.
16430 (m32c_output_reg_push): Add newline.
16431 (m32c_output_reg_pop): Likewise.
16433 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
16435 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
16437 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
16439 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
16441 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
16443 * config/sh/predicates.md (sh_rep_vec): Add parallel to
16446 2006-01-11 Ben Elliston <bje@au.ibm.com>
16448 * rtlanal.c (find_reg_note): Assert insn is not null.
16450 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
16452 * df-scan.c (df_hard_reg_init): Move declaration of i outside
16455 2006-01-11 Jeff Law <law@redhat.com>
16457 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
16459 (mark_threaded_blocks, register_jump_thread): New functions.
16460 (thread_through_all_blocks): Remove unwanted argument. No
16461 longer rely on e->aux to communicate thread target info.
16462 Call mark_threaded_blocks. Release the threaded_blocks
16463 bitmap and threaded_edges vector when complete.
16464 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
16465 (threaded_blocks): Remove.
16466 (tree_ssa_dominator_optimize): Remove initialization and
16467 finalization of threaded_blocks. Simplify call to
16468 thread_through_all_blocks.
16469 (thread_across_edge): Call register_jump_thread rather than
16470 storing thread information into e->aux.
16471 (free_all_edge_infos): Simplify now that e->aux is no longer
16472 used to communicate with thread_through_all_blocks.
16473 * tree-flow.h (thread_through_all_blocks): Update prototype.
16474 (register_jump_thread): Prototype.
16476 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
16478 * df-core.c (df_compact_blocks, df_bb_replace): Use
16479 SET_BASIC_BLOCK instead of BASIC_BLOCK.
16481 2006-01-11 Richard Guenther <rguenther@suse.de>
16483 PR tree-optimization/25734
16484 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
16485 stop propagation after successful propagation to the LHS.
16487 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
16489 * basic-block.h (control_flow_graph): Change the type of
16490 x_basic_block_info to VEC(basic_block,gc) *.
16491 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
16493 (SET_BASIC_BLOCK): New.
16494 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
16495 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
16496 * cfgbuild.c (find_basic_blocks): Likewise.
16497 * cfglayout.c (fixup_reorder_chain): Likewise.
16498 * cfgrtl.c (create_basic_block_structure,
16499 rtl_create_basic_block): Likewise.
16500 * ifcvt.c (find_if_case_1): Likewise.
16501 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
16504 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
16506 * Makefile.in: Removed rotted odf.c entry.
16508 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
16511 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
16512 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
16513 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
16514 output pattern modifier, not %e.
16515 * config/cris/cris.c (cris_op_str): Update comment about pattern
16517 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
16518 before falling through into...
16519 <case 'E'>: Redefined from old 'e' case.
16521 2006-01-11 Jan Hubicka <jh@suse.cz>
16524 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
16526 2006-01-11 Jan Hubicka <jh@suse.cz>
16528 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
16529 * i386.c (x86_decompose_lea): Kill.
16530 (ix86_rtx_costs): Kill.
16532 2006-01-11 Jan Hubicka <jh@suse.cz>
16534 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
16535 * cgraph.h (cgraph_node): Add inline_decl.
16536 (cgraph_insert_node_to_hashtable): Declare.
16537 (save_inline_function_body): Declare.
16538 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
16540 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
16541 (cgraph_function_versioning): Update call of tree_function_versioning.
16542 (save_inline_function_body): New function.
16543 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
16544 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
16545 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
16546 (cgraph_default_inline_p): Likewise.
16547 (cgraph_decide_inlining_incrementally): Likewise.
16548 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
16549 (copy_bb): Kill saving; do updating of clones.
16550 (copy_cfg_body): Kill saving.
16551 (initialize_inlined-parameters): Likewise.
16552 (expand_call_inline): Likewise.
16554 (tree_function_versioning): New parameter "update_clones".
16555 (inlining_p): Kill saving.
16556 * tree-inline.h (tree_function_versioning): Update prototype.
16557 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
16560 2006-01-11 Ian Lance Taylor <ian@airs.com>
16562 * combine.c (struct undo): Remove is_int. Enumify types of undos.
16563 Allow undoing set of machine mode.
16564 (do_SUBST): Use enums instead of is_int.
16565 (do_SUBST_MODE): New function.
16566 (SUBST_MODE): New macro.
16567 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
16568 reg and trying to replace reg_regno_rtx with a new register.
16569 (undo_all): Use new enums, handle undoing a PUT_MODE change.
16570 (simplify_set): Use SUBST_MODE.
16571 (distribute_notes): Remove code that tried to update reg notes
16572 for regno_reg_rtx changes.
16574 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
16576 PR tree-optimization/23109
16577 PR tree-optimization/23948
16578 PR tree-optimization/24123
16580 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
16581 * tree-cfg.c (single_noncomplex_succ): New.
16582 * tree-flow.h (single_noncomplex_succ): Declare it.
16583 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
16584 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
16585 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
16586 insert_bb, register_division_in, insert_reciprocals,
16587 replace_reciprocal, free_bb): New.
16588 (execute_cse_reciprocals_1): Rewritten.
16589 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
16590 Do not commit any edge insertion. Always compute dominators and
16591 create the allocation pool.
16592 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
16593 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
16594 * targhooks.c (default_min_divistions_for_recip_mul): New.
16595 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
16596 * passes.c (init_optimization_passes): Run recip after tree loop
16598 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
16600 2006-01-11 Danny Berlin <dberlin@dberlin.org>
16601 Kenneth Zadeck <zadeck@naturalbridge.com>
16603 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
16604 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
16605 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
16606 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
16607 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
16608 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
16609 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
16610 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
16611 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
16612 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
16613 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
16614 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
16615 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
16616 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
16617 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
16618 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
16619 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
16620 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
16621 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
16622 DF_SCAN_POST_ALLOC): New macros.
16623 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
16624 df_free_bb_function, df_local_compute_function, df_init_function,
16625 df_dataflow_function, df_confluence_function_0,
16626 df_confluence_function_n, df_transfer_function,
16627 df_finalizer_function, df_free_function, df_dump_problem_function,
16628 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
16629 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
16630 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
16631 df_urec_bb_info, ) New types.
16632 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
16634 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
16635 df_analyze_simple_change_some_blocks,
16636 df_analyze_simple_change_one_block, df_compact_blocks,
16637 df_bb_replace, df_bb_regno_last_use_find,
16638 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
16639 df_insn_regno_def_p, df_find_def, df_find_use,
16640 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
16641 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
16642 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
16643 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
16644 debug_df_chain, df_get_dependent_problem, df_chain_create,
16645 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
16646 df_grow_bb_info, df_chain_dump, df_print_bb_index,
16647 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
16648 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
16649 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
16650 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
16651 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
16652 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
16653 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
16654 df_ref_remove, df_insn_refs_delete, df_refs_delete,
16655 df_reorganize_refs, df_set_state, df_hard_reg_init,
16656 df_read_modify_subreg_p) New public functions.
16657 * df-core.c: The core dataflow solver and glue routines for rtl
16659 (df_init, df_add_problem, df_set_blocks, df_finish,
16660 df_hybrid_search_forward, df_hybrid_search_backward,
16661 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
16662 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
16663 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
16664 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
16665 df_reg_defined, df_find_use, df_reg_used, df_dump,
16666 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
16667 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
16668 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
16669 debug_df_useno, reset_df_after_reload): New functions.
16670 * df-scan.c: The scanning fuctions, once in df.c, completely
16671 rewritten so that they now fully model the functionality of
16672 register usage at the backend.
16673 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
16674 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
16675 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
16676 df_grow_insn_info, df_rescan_blocks, df_ref_create,
16677 df_get_artificial_defs, df_get_artificial_uses,
16678 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
16679 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
16680 df_refs_delete, df_reorganize_refs, df_set_state,
16681 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
16682 df_def_record_1, df_defs_record, df_uses_record,
16683 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
16684 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
16685 df_record_exit_block_uses, df_hard_reg_init): New functions.
16687 * df-problems.c: Seven concrete dataflow problems that use the
16688 scanning in df-scan.c and are solved by the engine in df-core.c.
16689 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
16690 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
16691 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
16692 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
16693 df_ru_free_bb_info, df_ru_alloc,
16694 df_ru_bb_local_compute_process_def,
16695 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
16696 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
16697 df_ru_transfer_function, df_ru_free, df_ru_dump,
16698 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
16699 df_rd_free_bb_info, df_rd_alloc,
16700 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
16701 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
16702 df_rd_transfer_function, df_rd_free, df_rd_dump,
16703 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
16704 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
16705 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
16706 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
16707 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
16708 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
16709 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
16710 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
16711 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
16712 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
16713 df_urec_mark_reg_change, df_urec_check_earlyclobber,
16714 df_urec_mark_reg_use_for_earlyclobber,
16715 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
16716 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
16717 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
16718 df_urec_dump, df_urec_add_problem, df_chain_alloc,
16719 df_chain_create_bb_process_use, df_chain_create_bb,
16720 df_chain_finalize, df_chain_free, df_chains_dump,
16721 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
16722 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
16723 df_reg_lifetime): New functions.
16724 * df.c: Deleted file.
16725 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
16726 consistent with new df api.
16727 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
16728 rest_of_handle_sms): Ditto.
16729 * web.c (unionfind_union, union_defs, entry_register, web_main):
16731 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
16732 invariant_expr_equal_p, find_defs, check_dependencies,
16733 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
16734 free_inv_motion_data, move_loop_invariants): Ditto.
16735 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
16736 Update dependencies.
16737 (odf.c): Added defective entry that was deleted later in day.
16738 * sched-deps.c (sched_analyze_1): Ditto.
16740 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
16742 * tree-ssa-operands.c (get_expr_operands): Record addressable
16743 variables directly. Do not call add_stmt_operands for CONST_DECLs
16745 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
16746 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
16748 2006-01-11 Ben Elliston <bje@au.ibm.com>
16750 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
16751 function returns true in the positive case.
16753 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16756 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
16757 for SI, DI, SF and DF modes. Add alternatives to copy between
16758 general and floating point registers to the 32-bit patterns.
16759 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
16760 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
16761 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
16762 generating 64-bit code.
16763 * config/pa/pa.c (output_move_double): Handle copies between general
16764 and floating registers.
16766 2006-01-10 Stuart Hastings <stuart@apple.com>
16768 * config/i386/i386.md (set_got): Update.
16769 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
16770 (builtin_setjmp_receiver): Mach-O support.
16771 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
16772 (GOT_SYMBOL_NAME): Define.
16773 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
16774 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
16775 * config/i386/i386.c (override_options): Revise for Darwin.
16776 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
16777 support. (darwin_x86_file_end): New. (output_set_got): Add label
16778 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
16779 * config/i386/i386-protos.h (output_set_got): Likewise.
16780 * config/darwin.c (machopic_legitimize_pic_address): Update
16783 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
16785 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
16786 when MODE isn't BLKmode.
16788 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
16790 PR rtl-optimization/25367
16791 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
16793 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
16796 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
16797 for a negative bound.
16799 2006-01-10 Richard Guenther <rguenther@suse.de>
16801 * tree-ssa-structalias.c (get_constraint_for_component_ref):
16802 Never override with anything constraint.
16804 2006-01-10 Jan Beulich <jbeulich@novell.com>
16806 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
16807 256 bits when optimize_size.
16809 2006-01-10 Jan Beulich <jbeulich@novell.com>
16811 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
16813 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
16814 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
16817 2006-01-10 Ben Elliston <bje@au.ibm.com>
16819 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
16821 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
16822 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
16823 (USE_FP_FOR_ARG): Reject decimal float modes.
16824 (function_arg_advance): Likewise.
16825 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
16826 (rs6000_handle_altivec_attribute): Do not permit decimal floating
16827 point types in AltiVec vectors.
16828 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
16829 (rs6000_libcall_value): Likewise.
16831 2006-01-09 Bob Wilson <bob.wilson@acm.org>
16833 * config/xtensa/ieee754-df.S: New file.
16834 * config/xtensa/ieee754-sf.S: New file.
16835 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
16836 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
16837 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
16839 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
16841 * config/sh/predicates.md (binary_float_operator,
16842 binary_logical_operator, commutative_float_operator,
16843 equality_comparison_operator, greater_comparison_operator,
16844 less_comparison_operator, logical_operator,
16845 noncommutative_float_operator, shift_operator,
16846 symbol_ref_operand, unary_float_operator): Remove redundant
16849 2006-01-09 Jeff Law <law@redhat.com>
16851 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
16852 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
16853 now unused arguments. Callers updated.
16854 (eliminate_redundant_computations): Remove now unused arguments,
16856 (local_fold): Remove, no longer used.
16857 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
16859 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
16860 (simplify_cond): New function.
16861 (forward_propagate_into_cond): Call simplify_cond.
16863 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
16865 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
16866 (*vec_extractv2di_1_sse): New.
16868 2006-01-09 Ben Elliston <bje@au.ibm.com>
16870 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
16872 2006-01-08 Richard Guenther <rguenther@suse.de>
16874 * tree-ssa-structalias.c (get_constraint_for): Remove
16875 anyoffset argument.
16876 (get_constraint_for_component_ref): Likewise.
16877 (do_deref): Likewise.
16878 (get_constraint_for): Likewise.
16879 (do_structure_copy): Likewise.
16880 (handle_ptr_arith): Likewise.
16881 (find_func_aliases): Likewise. Remove unused need_anyoffset
16884 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
16885 Kaz Kojima <kkojima@gcc.gnu.org>
16887 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
16888 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
16889 (EXTRA_CONSTRAINT_C16): Remove.
16890 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
16891 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
16892 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
16893 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
16894 constants of SHmedia. Handle nested constant expressions of
16896 (andcosts): Fix the costs for SHmedia constants.
16897 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
16898 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
16899 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
16900 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
16901 (movv4hi_i, movv2si_i): Likewise.
16902 (movsi_const): Adjust the second operand of ior so to match with
16903 the Csu constraint.
16904 (movdi_const, movdi_const_32bit): Likewise.
16905 (movdi_const_16bit+1): Don't sign-extend LOW.
16906 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
16908 (*double_shori): Fix the split condition. Use GEN_INT instead
16909 of get_int_mode calls. Mask lower 16-bit of the argument of
16911 (sym2GOTPLT): Remove.
16912 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
16914 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
16915 instead of EXTRA_CONSTRAINT_C16.
16917 2006-01-07 Ian Lance Taylor <ian@airs.com>
16918 David Edelsohn <edelsohn@gnu.org>
16920 PR rtl-optimization/25662
16921 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
16922 for constant operands instead of simplify_gen_binary.
16923 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
16924 after trying simplify_binary_operation
16926 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
16928 * tree.c (iterative_hash_expr): Hash decls based on UID.
16930 2006-01-06 Eric Christopher <echristo@apple.com>
16932 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
16933 (TARGET_UNWIND_EMIT): Fix spelling.
16934 * target.h (gcc_target): Add except_table_label.
16935 * except.c (output_function_exception_table): Use.
16936 * varasm.c (default_emit_except_table_label): New.
16937 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
16939 (asm_out): Add here.
16940 * output.h (default_emit_except_table_label): Prototype.
16941 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
16942 * config/darwin.c (darwin_emit_except_table_label): Define.
16943 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
16945 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
16947 PR tree-optimization/18527
16948 * tree-ssa-loop-niter.c (number_of_iterations_cond,
16949 number_of_iterations_special, number_of_iterations_exit):
16950 Move base and step of an iv to a single structure. Add
16951 no_overflow flag, and use it in # of iterations analysis.
16952 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
16953 folded_casts argument.
16954 (simple_iv): Pass base and step in a structure. Set no_overflow
16956 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
16957 Evaluate expensiveness of computing # of iterations instead of
16958 the final expression.
16959 * tree-scalar-evolution.h (affine_iv): New structure.
16960 (simple_iv): Declaration changed.
16961 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
16962 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
16963 find_givs_in_stmt): Changed due to simple_iv change.
16965 2006-01-06 Jeff Law <law@redhat.com>
16968 * tree-cfg.c (bsi_replace): Rename final argument from
16969 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
16970 change (stmt -> orig_stmt).
16971 * tree-eh.c (verify_eh_throw_stmt_node): New function.
16972 (bsi_remove): Add new argument. Remove EH information
16974 (verify_eh_throw_table_statements): New function.
16975 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
16977 * tree-optimize.c (execute_free_cfg_annotations): Verify
16978 the EH throw statement table after removing annotations.
16979 * except.h (verify_eh_throw_table_statements): Prototype.
16980 * tree-flow.h (bsi_remove): Update prototype.
16981 * tree-vrp.c (remove_range_assertions): Add new argument to
16983 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
16984 * tree-complex.c (expand_complex_div_wide): Likewise.
16985 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
16986 * tree-tailcall.c (eliminate_tailcall): Likewise.
16987 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
16988 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
16989 * tree-nrv.c (tree_nrv): Likewise.
16990 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
16991 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
16992 (combine_blocks): Likewise.
16993 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
16994 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
16995 (cleanup_control_flow): Likewise.
16996 (remove_forwarder_block): Likewise.
16997 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
16998 * tree-sra.c (sra_replace): Likewise.
16999 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
17000 (forward_propagate_single_use_vars): Likewise.
17001 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
17002 * tree-inline.c (expand_call_inline): Likewise.
17003 * tree-vect-transform.c (vect_transform_loop): Likewise.
17004 * tree-outof-ssa.c (rewrite_trees): Likewise.
17005 * tree-cfg.c (make_goto_expr_edges): Likewise.
17006 (cleanup_dead_labels): Likewise.
17007 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
17008 (bsi_move_before, bsi_move_after): Likewise.
17009 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
17010 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
17012 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
17015 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
17017 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
17018 on non gimple variables. Also add checks at the top for decls and
17020 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
17022 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
17023 and IMAGPART_EXPR for creating MUST_DEFs.
17024 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
17025 and NAME_MEMORY_TAG separately from the DECLs.
17027 2006-01-06 Richard Guenther <rguenther@suse.de>
17029 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
17030 annotation, if necessary.
17031 * tree-ssa-pre.c (create_expression_by_pieces): Remove
17032 redundant calls to update_stmt.
17033 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
17036 2006-01-05 Richard Henderson <rth@redhat.com>
17038 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
17040 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
17042 * c-typeck.c: Update copyright date.
17044 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
17046 * c-typeck.c (build_c_cast): Always warn when casting
17047 from a pointer to an integer of different size, even if
17048 the node was constant.
17050 2006-01-05 Richard Guenther <rguenther@suse.de>
17052 PR tree-optimization/22555
17053 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
17054 if one structure field is an array.
17055 * tree-ssa-operands.c (get_expr_operands): Continue scanning
17056 operands even if we found a subvar, but ignore VOPs in this
17058 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
17060 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
17062 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
17064 PR middle-end/24998
17065 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
17067 2006-01-05 Richard Guenther <rguenther@suse.de>
17068 Diego Novillo <dnovillo@redhat.com>
17070 * tree-pass.h (TODO_remove_unused_locals): Define.
17071 * gimple-low.c (expand_var_p, remove_useless_vars,
17072 pass_remove_useless_vars): Remove. Update all users.
17073 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
17074 (remove_unused_locals): New function.
17075 * tree-flow.h (remove_unused_locals): Declare.
17076 * passes.c (execute_todo): Call remove_unused_locals if
17077 TODO_remove_unused_locals is set.
17078 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
17079 * tree-ssa-dce.c (pass_dce): Likewise.
17080 * tree-outof-ssa.c (pass_del_ssa): Likewise.
17082 2006-01-05 Richard Guenther <rguenther@suse.de>
17084 * tree-flow.h (struct fieldoff): Decompose field to
17085 type, size and decl.
17086 * tree-ssa-alias.c (create_sft): Take type as parameter.
17087 (create_overlap_variables_for): Store type, size and decl
17088 in the fieldoff structure.
17089 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
17090 of struct fieldoff.
17091 (push_fields_onto_fieldstack): Likewise.
17092 (create_variable_info_for): Likewise. Use offset for the
17093 SFT name if the decl is not available.
17095 2006-01-04 Paul Brook <paul@codesourcery.com>
17097 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
17099 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
17101 * lambda-code.c (can_put_in_inner_loop): Relax
17103 (can_put_after_inner_loop): New function.
17104 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
17105 (perfect_nestify): Change to make copies and modify uses.
17107 2006-01-04 Richard Henderson <rth@redhat.com>
17109 Merge from gomp branch:
17110 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
17111 via integer constant.
17112 (pragma_lex): Remove.
17113 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
17114 rather than parsing it.
17115 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
17116 handle_pragma_extern_prefix): Add %< %> quotes.
17117 (registered_pragmas): New.
17118 (c_register_pragma_1): New.
17119 (c_register_pragma): Use it.
17120 (c_register_pragma_with_expansion): Likewise.
17121 (c_invoke_pragma_handler): New.
17122 (init_pragma): Use cpp_register_deferred_pragma directly for
17124 * c-pragma.h (enum pragma_kind): New.
17125 (pragma_handler): New.
17126 (c_invoke_pragma_handler): Declare.
17127 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
17129 * c-common.h (c_common_pch_pragma): Update decl.
17130 * Makefile.in (c-parser.o): Update dependencies.
17131 (GTFILES): Add c-pragma.h.
17132 * c-parser.c (struct c_token): Add pragma_kind.
17133 (struct c_parser): Add in_pragma.
17134 (c_lex_one_token): Always initialize keyword and pragma_kind.
17135 Extract data for CPP_PRAGMA.
17136 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
17137 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
17138 Don't allow CPP_PRAGMA_EOL if in_pragma.
17139 (c_parser_consume_pragma): New.
17140 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
17141 (c_parser_skip_to_end_of_parameter): Likewise.
17142 (c_parser_skip_to_end_of_block_or_statement): Likewise.
17143 (c_parser_skip_to_pragma_eol): New.
17144 (c_parser_external_declaration): Handle CPP_PRAGMA.
17145 (c_parser_compound_statement_nostart): Likewise.
17146 (c_parser_statement_after_labels): Likewise.
17147 (c_parser_pragma): New.
17148 (pragma_lex): Likewise.
17149 (c_parser_pragma_pch_preprocess): New.
17150 (c_parser_new): Merge into ...
17151 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
17153 2006-01-04 Jeff Law <law@redhat.com>
17156 * tree-cfg.c (bsi_replace): Remove the original statement
17157 from the EH throw statement table.
17159 2006-01-04 Jakub Jelinek <jakub@redhat.com>
17161 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
17162 make the prototype extern "C" and add throw ().
17165 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
17166 and pos non-negative and pos + len <= 32.
17167 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
17168 drop pos + len < HOST_BITS_PER_WIDE_INT test.
17169 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
17172 * c-common.c (handle_vector_size_attribute): Reject zero vector size
17173 as well as sizes not multiple of component size.
17176 * function.c (instantiate_expr): New function.
17177 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
17178 walk its DECL_VALUE_EXPR with instantiate_expr.
17180 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
17181 DW_OP_deref{,_size} if address isn't going to be added.
17183 2006-01-04 Ben Elliston <bje@au.ibm.com>
17185 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
17186 * config/fp-bit.c: Likewise.
17188 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
17190 * dominance.c: Add comment about why we use DFS numbering
17193 2006-01-03 Jakub Jelinek <jakub@redhat.com>
17194 Richard Henderson <rth@redhat.com>
17196 Merge from gomp-branch:
17197 * varasm.c (assemble_variable): Handle thread-local COMMON data.
17198 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
17200 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
17202 PR rtl-optimization/25578
17203 * combine.c (combine_simplify_rtx, force_to_mode): Don't
17204 pass a parameter to simplify_shift_const if changing ASHIFTRT
17207 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
17209 * builtins.c (get_builtin_sync_mem): New function.
17210 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
17211 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
17212 Call get_builtin_sync_mem to generate mem rtx.
17214 2006-01-03 Richard Guenther <rguenther@suse.de>
17217 * stmt.c (add_case_node): Make sure to clear overflow flags
17220 2006-01-03 Jakub Jelinek <jakub@redhat.com>
17222 Merge from gomp-branch.
17223 * config/sparc/sync.md: New file.
17224 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
17225 UNSPECV_LDSTUB): New constants.
17226 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
17227 * config/sparc/predicates.md (memory_reg_operand): New predicate.
17228 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
17231 2006-01-03 Roger Sayle <roger@eyesopen.com>
17233 * combine.c (reg_subword_p): New predicate to test whether the
17234 destination of a set refers to a subword/piece of a register.
17235 (try_combine): Generalize the code to merge the setting of a
17236 pseudo to a constant followed by a set of a subword of that
17237 register to a constant.
17239 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
17241 * basic-block.h (control_flow_graph): Change the type of
17242 x_label_to_block_map to VEC(basic_block,gc) *.
17243 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
17244 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
17246 * tree-ssa-propagate.c (cfg_blocks): Change the type to
17247 VEC(basic_block,heap) *.
17248 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
17249 ssa_prop_fini): Adjust the uses of cfg_blocks.
17251 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
17253 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
17255 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
17256 hashing trees instead of a pointer hash.
17257 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
17258 compare for MEM_EXPR.
17260 PR rtl-optimization/25130
17261 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
17262 when comparing MEMs for GCSE
17264 2006-01-03 Ben Elliston <bje@au.ibm.com>
17266 * targhooks.h (default_decimal_float_supported_p): Declare.
17267 * targhooks.c (default_decimal_float_supported_p): Define.
17268 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
17269 `default_decimal_float_supported_p'.
17270 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
17272 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
17274 * combine.c (apply_distributive_law <SUBREG>): Check
17275 TRULY_NOOP_TRUNCATION.
17277 2006-01-02 Geoffrey Keating <geoffk@apple.com>
17279 * dwarf2out.c (have_switched_text_section): Delete.
17280 (have_multiple_function_sections): New.
17281 (have_location_lists): Make 'bool'.
17282 (add_AT_loc_list): Use 'true' not '1'.
17283 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
17284 (output_loc_list): Use have_multiple_function_sections.
17285 (output_ranges): Likewise.
17286 (dwarf2out_begin_function): Set have_multiple_function_sections if
17288 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
17289 Check function_section rather than DECL_SECTION_NAME.
17290 (dwarf2out_finish): Use have_multiple_function_sections.
17291 Don't clear have_location_lists.
17293 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
17294 Jan Hubicka <jh@suse.cz>
17296 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
17297 case of conditional jump jumping to the next instruction.
17298 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
17299 cases of conditional jump jumping to the next instruction.
17301 2006-01-02 Jan Hubicka <jh@suse.cz>
17303 * i386.c (*_cost): Add COSTS_N_INSNS.
17304 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
17306 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
17309 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
17311 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
17313 * config/arm/arm.c (all_fpus): Fix comment typo.
17314 * config/darwin.c: Likewise.
17315 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
17316 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
17317 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
17319 2006-01-01 David Edelsohn <edelsohn@gnu.org>
17321 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
17322 (rs6000_split_compare_and_swapqhi): New.
17323 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
17324 (sync_compare_and_swapqhi_internal): New.
17325 * config/rs6000/rs6000-protos.h: Declare.