1 2006-03-09 Roger Sayle <roger@eyesopen.com>
4 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
5 X op C3, consider whether C3 overflows towards +Inf or -Inf.
7 2006-03-08 DJ Delorie <dj@redhat.com>
9 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
10 (addpsi3): Expand to include memory operands. Remove
11 reload-specific splits.
12 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
13 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
14 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
15 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
16 (shift1_qi, shift1_hi, insv): New.
17 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
18 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
19 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
21 * config/m32c/m32c-protos.h: Update as needed.
22 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
23 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
24 Fail for unrecognized R* constraints.
25 (m32c_cannot_change_mode_class): Be more picky about pseudos.
26 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
27 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
29 (m32c_init_libfuncs): New.
30 (m32c_legitimate_address_p): Add debug wrapper.
31 (m32c_rtx_costs): New.
32 (m32c_address_cost): New.
33 (conversions): Add 'B' prefix.
34 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
35 operands, or word regnames for QI operands. 'B' prints bit
37 (m32c_expand_setmemhi): New.
38 (m32c_expand_movmemhi): New.
39 (m32c_expand_movstr): New.
40 (m32c_expand_cmpstr): New.
41 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
42 (m32c_expand_neg_mulpsi3): Handle non-ints.
43 (m32c_cmp_flg_0): New.
44 (m32c_expand_movcc): New.
45 (m32c_expand_insv): New.
46 (m32c_scc_pattern): New.
47 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
49 (STORE_FLAG_VALUE): New.
50 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
53 * config/m32c/mov.md: Make constraints more liberal.
54 (zero_extendqihi2): Optimize r0/r1 case.
55 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
56 * config/m32c/predicates.md (m32c_any_operand): New.
57 (m32c_nonimmediate_operand): New.
58 (m32c_hl_operand): New.
59 (m32c_r3_operand): New.
62 (memsym_operand): New.
63 (memimmed_operand): New.
65 (m32c_eqne_operator): New.
66 (m32c_1bit8_operand): New.
67 (m32c_1bit16_operand): New.
68 (m32c_1mask8_operand): New.
69 (m32c_1mask16_operand): New.
70 * config/m32c/blkmov.md: New file.
71 * config/m32c/t-m32c (MD_FILES): Add blkmov.
73 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
75 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
76 unsigned to fix signed/unsigned comparison issue in
78 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
79 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
81 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
82 of ptr into the ENABLE_CHECKING section.
84 2006-03-08 Jeff Law <law@redhat.com>
86 * tree-vrp.c (infer_value_range): Only count pointer uses
87 and dereferences if -fdelete-null-pointer-checks is enabled.
89 * tree-vrp.c (find_assert_locations): Infer value ranges for
90 single use pointers, but do not create ASSERT_EXPRs for them.
91 When a non-null range is inferred for a pointer, backwards
92 propagate that range to other equivalent pointers through the
95 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
98 * Makefile.in (dvi, html, install-info): Invoke the corresponding
99 language hook targets.
100 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
101 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
102 if language hook targets were missing.
104 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
106 * tree-ssa-opfinalize.h: Removed.
107 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
109 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
110 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
111 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
112 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
113 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
114 finalize_ssa_v_must_def_ops): New.
116 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
118 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
121 2006-03-07 Geoffrey Keating <geoffk@apple.com>
123 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
125 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
126 addresses with offsets; reorganize.
128 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
129 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
130 (expand_builtin_init_dwarf_reg_sizes): Likewise.
132 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
135 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
137 2006-03-08 Ben Elliston <bje@au.ibm.com>
139 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
141 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
144 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
147 2006-03-07 Richard Guenther <rguenther@suse.de>
149 PR tree-optimization/26587
150 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
152 2006-03-07 Richard Sandiford <richard@codesourcery.com>
154 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
156 2006-03-07 Richard Sandiford <richard@codesourcery.com>
158 * hooks.c (hook_bool_mode_rtx_true): New function.
159 * hooks.h (hook_bool_mode_rtx_true): Declare.
160 * toplev.c (compile_file): Call output_shared_constant_pool.
161 * varasm.c (shared_constant_pool): New variable.
162 (assemble_start_function, assemble_end_function): Remove arguments
163 from call to output_constant_pool.
164 (create_constant_pool): New function, split out from...
165 (init_varasm_status): ...here.
166 (force_const_mem): Choose between the shared and per-function constant
167 pools. Set current_function_uses_const_pool when reusing old entries
168 as well as when creating new ones.
169 (mark_constant): Ignore data argument.
170 (mark_constants): Remove pool argument.
171 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
172 to decide whether the function uses a constant pool.
173 (output_constant_pool_contents): New function, split out from...
174 (output_constant_pool): ...here.
175 (output_shared_constant_pool): New function.
176 (init_varasm_once): Initialize shared_constant_pool.
177 * output.h (output_constant_pool): Delete.
178 (output_shared_constant_pool): Declare.
179 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
180 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
182 2006-03-06 Nick Clifton <nickc@redhat.com>
184 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
185 flag_strength_reduce.
187 2006-03-06 Ben Elliston <bje@au.ibm.com>
189 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
190 x86_64-*-linux* configurations.
192 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
193 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
195 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
197 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
199 * basic-block.h: Remove the extern for
200 rediscover_loops_after_threading.
202 * cfgloop.c (cancel_loop): Make it static.
203 * cfgloop.h: Remove the prototype for cancel_loop.
205 * flow.c (recompute_reg_usage): Make it static.
206 * rtl.h: Remove the prototype for recompute_reg_usage.
208 * function.c (use_return_register): Make it static.
209 * function.h: Remove the prototype.
211 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
213 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
215 * recog.h: Remove the prototype for
216 validate_change_maybe_volatile.
218 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
220 * rtlanal.c (replace_reg): Remove.
221 * rtl.h: Remove the prototype for replace_reg.
223 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
225 * regclass.c (reg_scan_update): Remove.
226 (reg_scan_mark_refs): Remove the last argument.
227 * rtl.h: Remove the prototype for reg_scan_update.
229 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
231 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
232 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
233 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
234 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
235 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
236 loop-invariant.c, omp-low.c, opts.c, passes.c,
237 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
238 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
239 tree-ssa-structalias.c, tree-ssa-threadedge.c,
240 tree-ssa-threadupdate.c, tree-vect-patterns.c,
241 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
242 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
244 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
246 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
247 * dwarf2out.h: Remove the prototype for
248 dwarf2out_add_library_unit_info.
250 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
252 * tree.c (add_var_to_bind_expr): Remove.
253 * tree.h: Remove the prototype for add_var_to_bind_expr.
255 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
257 * regclass.c (n_non_fixed_regs): Remove.
258 (init_reg_sets_1, globalize_reg): Remove all uses of
260 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
262 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
264 * rtlanal.c (insns_safe_to_move_p): Remove.
265 * rtl.h: Remove the prototype for insns_safe_to_move_p.
267 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
269 * expmed.c (expand_mult_add): Remove.
270 * expr.h: Remove the prototype for expand_mult_add.
272 2006-03-04 Jakub Jelinek <jakub@redhat.com>
274 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
275 and REG_SAVED_VAL_EXP constants.
276 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
277 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
278 Handle regs stored by value.
279 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
280 (execute_cfa_program): Handle DW_CFA_val_offset,
281 DW_CFA_val_offset_sf and DW_CFA_val_expression.
282 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
283 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
284 (uw_install_context_1): Handle target regs stored by value.
286 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
288 * tree-sra.c (tree_sra): Return todoflags;
289 (generate_one_element): Set TODO_update_smt_usage if needed.
290 (pass_sra): Remove TODO_update_smt_usage.
291 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
293 (tree_ssa_forward_propagate_single_use_vars): Return
294 TODO_update_smt_usage if we need to update SMT usage.
295 (pass_forwprop): Remove TODO_update_smt_usage.
297 2006-03-03 Diego Novillo <dnovillo@redhat.com>
299 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
300 (correct_use_link): Remove reference to get_stmt_operands.
301 (update_stmt_operands): Likewise.
302 (get_modify_expr_operands): New function factored out of
303 parse_ssa_operands and get_expr_operands.
304 Try to create V_MUST_DEFs for LHS by default.
305 (get_expr_operands) <case MODIFY_EXPR>: Call
306 get_modify_expr_operands.
307 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
308 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
309 (parse_ssa_operands) <case MODIFY_EXPR>: Call
310 get_modify_expr_operands.
312 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
314 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
315 * tree-flow.h: Remove the prototype for
316 referenced_var_lookup_if_exists.
318 2006-03-03 Steve Ellcey <sje@cup.hp.com>
320 PR rtl-optimization/26345
322 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
324 2006-03-03 Roger Sayle <roger@eyesopen.com>
326 PR tree-optimization/26524
327 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
328 fold_convert to create a constant of the appropriate type.
330 2006-03-03 Richard Sandiford <richard@codesourcery.com>
332 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
333 SYMBOL_REF_IN_BLOCK_P.
334 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
335 of SYMBOL_FLAG_IN_BLOCK.
336 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
337 instead of SYMBOL_REF_IN_BLOCK_P.
338 * explow.c (use_anchored_address): Likewise.
339 * rtl.c (rtx_size): Likewise.
340 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
341 instead of SYMBOL_FLAG_IN_BLOCK.
342 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
343 SYMBOL_REF_IN_BLOCK_P.
344 (assemble_variable): Likewise.
345 (output_constant_def_contents): Likewise.
346 (output_constant_pool): Likewise.
347 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
348 instead of SYMBOL_FLAG_IN_BLOCK.
349 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
350 SYMBOL_REF_IN_BLOCK_P.
351 (SYMBOL_REF_BLOCK): Likewise.
352 (SYMBOL_REF_OFFSET): Likewise.
353 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
354 SYMBOL_REF_IN_BLOCK_P.
355 (SYMBOL_FLAG_IN_BLOCK): Replace with...
356 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
357 (SYMBOL_REF_IN_BLOCK_P): Replace with...
358 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
360 2006-03-03 Jakub Jelinek <jakub@redhat.com>
362 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
364 2006-03-02 Roger Sayle <roger@eyesopen.com>
366 * simplify-rtx.c (simplify_unary_operation): When simplifying
367 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
368 that we perform the right shift in the appropriate mode, and
369 then extend or truncate the result to requested mode.
371 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
373 * gengtype.c (main): Handle double_int type.
374 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
375 * double-int.c: New file.
376 * double-int.h: New file.
377 * system.h: Include doubleint.h.
378 * Makefile.in (SYSTEM_H): Include double-int.h.
381 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
384 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
387 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
389 * tree-vrp.c (remove_range_assertions): Do not update statements
392 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
394 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
396 * gcse.c (rest_of_handle_gcse): Ditto.
397 * except.c (gate_handle_eh): Ditto.
398 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
399 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
401 2006-03-02 Eric Christopher <echristo@apple.com>
403 * config/i386/i386.c (machopic_output_stub): Add indirection to
406 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
410 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
412 Sun Niagara specific optimizations.
413 * config.gcc: Recognize niagara as target.
414 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
415 (TARGET_CPU_niagara): Define.
416 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
417 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
418 (CPP_CPU_SPEC): Handle -mcpu=niagara.
419 (ASM_CPU_SPEC): Likewise.
420 (PROCESSOR_NIAGARA): New enum entry.
421 (REGISTER_MOVE_COST): Handle Niagara.
422 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
423 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
424 (sparc_override_options): Recognize "niagara", set appropriate
425 default MASK_* values for it, and align functions to 32-bytes
426 by default just like ULTRASPARC/ULTRASPARC3.
427 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
428 (sparc64_initialize_trampoline): Likewise.
429 (sparc_use_sched_lookahead): Use zero for niagara.
430 (sparc_issue_rate): Use one for niagara.
431 * config/sparc/niagara.md: New file.
432 * config/sparc/sparc.md: Include it.
433 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
434 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
435 when default cpu is niagara.
436 (CPP_CPU_SPEC): Handle -mcpu=niagara.
437 (ASM_CPU_SPEC): Likewise.
438 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
439 when default cpu is niagara.
440 (ASM_CPU_SPEC): Handle -mcpu=niagara.
441 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
442 just like v9/ultrasparc/ultrasparc3.
443 * doc/invoke.texi: Add documentation for "niagara" and improve
444 existing documentation for ultrasparc variants.
446 2006-03-02 Diego Novillo <dnovillo@redhat.com>
448 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
450 2006-03-02 Richard Sandiford <richard@codesourcery.com>
452 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
453 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
454 and say that only one is needed.
455 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
456 * target.h (have_switchable_bss_sections): New hook.
457 * explow.c (use_anchored_address): Check that the symbol is in a block.
458 * varasm.c (tls_comm_section, comm_section, lcomm_section)
459 (bss_noswitch_section): New variables.
460 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
461 (get_noswitch_section): New function.
462 (get_block_for_section): Allow SECT to be null.
463 (unlikely_text_section_p): Use SECTION_STYLE.
464 (bss_initializer_p): New function.
465 (get_variable_section): Move earlier in file. Take a new argument,
466 prefer_noswitch_p. Move bss checks from assemble_variable to here.
467 Return one of the new *_sections in such cases.
468 (get_block_for_decl): New function, extracting some logic from
469 use_blocks_for_decl_p.
470 (change_symbol_section): Remove in favor of...
471 (change_symbol_block): ...this new function.
472 (use_blocks_for_decl_p): Remove checks now performed by
474 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
475 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
476 (emit_local, emit_bss, emit_common): ...these new functions.
477 Return true if the alignment was honored.
478 (emit_tls_common): New function.
479 (asm_emit_uninitialised): Delete.
480 (assemble_variable_noswitch): New function, split out from...
481 (assemble_variable): ...here. Don't make decisions about common
482 variables here. Globalize all public decls that go into non-common
483 sections. Check whether SYMBOL_REF_BLOCK is null.
484 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
485 (output_constant_pool): Likewise.
486 (init_varasm_once): Initialize the new section variables.
487 (have_global_bss_p): New function.
488 (categorize_decl_for_section): Use bss_initializer_p.
489 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
490 (place_block_symbol): Assert that the symbol must be in a block.
491 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
492 (TARGET_INITIALIZER): Include it.
493 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
494 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
495 (SECTION_MACH_DEP): Bump by two.
496 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
497 (unnamed_section): Mention SECTION_UNNAMED in comment.
498 (named_section): Likewise SECTION_NAMED.
499 (noswitch_section_callback): New type.
500 (noswitch_section): New structure.
501 (section): Add a noswitch_section alternative.
502 (SECTION_STYLE): New macro.
503 (tls_comm_section, comm_section, lcomm_section): Declare.
504 (bss_noswitch_section, have_global_bss_p): Declare.
505 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
506 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
508 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
509 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
512 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
514 * gcc/tree-vrp.c (execute_vrp): Return value.
515 * gcc/regrename.c (rest_of_handle_regrename): Ditto.
516 * gcc/tree-into-ssa.c (rewrite_into_ssa): Ditto.
517 * gcc/tree-complex.c (tree_lower_complex): Ditto.
518 (tree_lower_complex_O0): Ditto.
519 * gcc/tracer.c (rest_of_handle_tracer): Ditto.
520 * gcc/postreload-gcse.c (rest_of_handle_gcse2): Ditto.
521 * gcc/postreload.c (rest_of_handle_postreload): Ditto.
522 * gcc/tree-tailcall.c (execute_tail_recursion): Ditto.
523 (execute_tail_calls): Ditto.
524 * gcc/tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
525 * gcc/tree.h (init_function_for_compilation): Ditto.
526 * gcc/ipa-cp.c (ipcp_driver): Ditto.
527 * gcc/tree-scalar-evolution.c (scev_const_prop): Ditto.
528 * gcc/tree-scalar-evolution.h (scev_const_prop): Ditto.
529 * gcc/final.c (compute_alignments): Ditto.
530 (rest_of_handle_final): Ditto.
531 (rest_of_handle_shorten_branches): Ditto.
532 (rest_of_clean_state): Ditto.
533 * gcc/omp-low.c (execute_expand_omp): Ditto.
534 (execute_lower_omp): Ditto.
535 * gcc/tree-ssa-dse.c (tree_ssa_dse): Ditto.
536 * gcc/ipa-reference.c (static_execute): Ditto.
537 * gcc/tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
538 * gcc/reorg.c (rest_of_handle_delay_slots): Ditto.
539 (rest_of_handle_machine_reorg): Ditto.
540 * gcc/cgraphunit.c (rebuild_cgraph_edges): Ditto.
541 * gcc/flow.c (recompute_reg_usage): Ditto.
542 (rest_of_handle_remove_death_notes): Ditto.
543 (rest_of_handle_life): Ditto.
544 (rest_of_handle_flow2): Ditto.
545 * gcc/tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
546 * gcc/tree-ssa-ccp.c (do_ssa_ccp): Ditto.
547 (do_ssa_store_ccp): Ditto.
548 (execute_fold_all_builtins): Ditto.
549 * gcc/mode-switching.c (rest_of_handle_mode_switching): Ditto.
550 * gcc/modulo-sched.c (rest_of_handle_sms): Ditto.
551 * gcc/ipa-pure-const.c (static_execute): Ditto.
552 * gcc/cse.c (rest_of_handle_cse): Ditto.
553 (rest_of_handle_cse2): Ditto.
554 * gcc/web.c (rest_of_handle_web): Ditto.
555 * gcc/tree-stdarg.c (execute_optimize_stdarg): Ditto.
556 * gcc/tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
557 * gcc/tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
558 * gcc/tree-nrv.c (tree_nrv): Ditto.
559 (execute_return_slot_opt): Ditto.
560 * gcc/tree-ssa-alias.c (compute_may_aliases): Ditto.
561 (create_structure_vars): Ditto.
562 * gcc/loop-init.c (rtl_loop_init): Ditto.
563 (rtl_loop_done): Ditto.
564 (rtl_move_loop_invariants): Ditto.
565 (rtl_unswitch): Ditto.
566 (rtl_unroll_and_peel_loops): Ditto.
568 * gcc/gimple-low.c (lower_function_body): Ditto.
569 (mark_used_blocks): Ditto.
570 * gcc/tree-ssa-sink.c (execute_sink_code): Ditto.
571 * gcc/ipa-inline.c (cgraph_decide_inlining): Ditto.
572 (cgraph_early_inlining): Ditto.
573 * gcc/global.c (rest_of_handle_global_alloc): Ditto.
574 * gcc/jump.c (cleanup_barriers): Ditto.
575 (purge_line_number_notes): Ditto.
576 * gcc/ifcvt.c (rest_of_handle_if_conversion): Ditto.
577 (rest_of_handle_if_after_reload): Ditto.
578 * gcc/tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
579 (tree_ssa_loop_im): Ditto.
580 (tree_ssa_loop_unswitch): Ditto.
581 (tree_vectorize): Ditto.
582 (tree_linear_transform): Ditto.
583 (tree_ssa_loop_ivcanon): Ditto.
584 (tree_ssa_empty_loop): Ditto.
585 (tree_ssa_loop_bounds): Ditto.
586 (tree_complete_unroll): Ditto.
587 (tree_ssa_loop_prefetch): Ditto.
588 (tree_ssa_loop_ivopts): Ditto.
589 (tree_ssa_loop_done): Ditto.
590 * gcc/predict.c (tree_estimate_probability): Ditto.
591 * gcc/recog.c (split_all_insns_noflow): Ditto.
592 (rest_of_handle_peephole2): Ditto.
593 (rest_of_handle_split_all_insns): Ditto.
594 * gcc/tree-eh.c (lower_eh_constructs): Ditto.
595 * gcc/regmove.c (rest_of_handle_regmove): Ditto.
596 (rest_of_handle_stack_adjustments): Ditto.
597 * gcc/local-alloc.c (rest_of_handle_local_alloc): Ditto.
598 * gcc/function.c (instantiate_virtual_regs): Ditto.
599 (init_function_for_compilation): Ditto.
600 (rest_of_handle_check_leaf_regs): Ditto.
601 * gcc/gcse.c (rest_of_handle_jump_bypass): Ditto.
602 (rest_of_handle_gcse): Ditto.
603 * gcc/ipa-type-escape.c (type_escape_execute): Ditto.
604 * gcc/alias.c (rest_of_handle_cfg): Ditto.
605 * gcc/tree-if-conv.c (main_tree_if_conversion): Ditto.
606 * gcc/profile.c (rest_of_handle_branch_prob): Ditto.
607 * gcc/tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
608 * gcc/rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
609 * gcc/bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
610 * gcc/tree-dfa.c (find_referenced_vars): Ditto.
611 * gcc/except.c (set_nothrow_function_flags): Ditto.
612 (convert_to_eh_region_ranges): Ditto.
613 (rest_of_handle_eh): Ditto.
614 * gcc/emit-rtl.c (unshare_all_rtl): Ditto.
615 (remove_unnecessary_notes): Ditto.
616 * gcc/except.h (set_nothrow_function_flags): Ditto.
617 (convert_to_eh_region_ranges): Ditto.
618 * gcc/cfgexpand.c (tree_expand_cfg): Ditto.
619 * gcc/tree-cfgcleanup.c (merge_phi_nodes): Ditto.
620 * gcc/tree-ssa-pre.c (do_pre): Ditto.
621 (execute_fre): Ditto.
622 * gcc/cfgcleanup.c (rest_of_handle_jump): Ditto.
623 (rest_of_handle_jump2): Ditto.
624 * gcc/tree-sra.c (tree_sra): Ditto.
625 * gcc/tree-mudflap.c (execute_mudflap_function_ops): Ditto.
626 (execute_mudflap_function_decls): Ditto.
627 * gcc/tree-ssa-copy.c (do_copy_prop): Ditto.
628 (do_store_copy_prop): Ditto.
629 * gcc/ipa-prop.h (ipcp_driver): Ditto.
630 * gcc/cfglayout.c (insn_locators_initialize): Ditto.
631 * gcc/tree-ssa-forwprop.c
632 (tree_ssa_forward_propagate_single_use_vars): Ditto.
633 * gcc/cfglayout.h (insn_locators_initialize): Ditto.
634 * gcc/tree-ssa-dce.c (tree_ssa_dce): Ditto.
635 * gcc/tree-ssa.c (execute_early_warn_uninitialized): Ditto.
636 (execute_late_warn_uninitialized): Ditto.
637 * gcc/rtl.h (cleanup_barriers): Ditto.
638 (split_all_insns_noflow): Ditto.
639 (purge_line_number_notes): Ditto.
640 (unshare_all_rtl): Ditto.
641 (remove_unnecessary_notes): Ditto.
642 (recompute_reg_usage): Ditto.
643 (variable_tracking_main): Ditto.
644 * gcc/integrate.c (emit_initial_value_sets): Ditto.
645 * gcc/integrate.h (emit_initial_value_sets): Ditto.
646 * gcc/tree-optimize.c (execute_free_datastructures): Ditto
647 (execute_free_cfg_annotations): Ditto.
648 (execute_fixup_cfg): Ditto.
649 (execute_cleanup_cfg_pre_ipa): Ditto.
650 (execute_cleanup_cfg_post_optimizing): Ditto.
651 (execute_init_datastructures): Ditto.
652 * gcc/tree-object-size.c (compute_object_sizes): Ditto.
653 * gcc/combine.c (rest_of_handle_combine): Ditto.
654 * gcc/tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
655 * gcc/bb-reorder.c (duplicate_computed_gotos): Ditto.
656 (rest_of_handle_reorder_blocks): Ditto.
657 (rest_of_handle_partition_blocks): Ditto.
658 * gcc/var-tracking.c (variable_tracking_main): Ditto.
659 * gcc/tree-profile.c (tree_profiling): Ditto.
660 * gcc/tree-vect-generic.c (expand_vector_operations): Ditto.
661 * gcc/reg-stack.c (rest_of_handle_stack_regs): Ditto.
662 * gcc/sched-rgn.c (rest_of_handle_sched): Ditto.
663 (rest_of_handle_sched2): Ditto.
664 * gcc/basic-block.h (free_bb_insn): Ditto.
665 * gcc/tree-ssa-structalias.c (ipa_pta_execute): Ditto.
666 * gcc/tree-cfg.c (execute_build_cfg): Ditto.
667 (remove_useless_stmts): Ditto.
668 (split_critical_edges): Ditto.
669 (execute_warn_function_return): Ditto.
670 (execute_warn_function_noreturn): Ditto.
671 * gcc/tree-ssa-reassoc.c (execute_reassoc): Ditto.
672 * gcc/cfgrtl.c (free_bb_for_insn): Ditto.
673 * gcc/passes.c (execute_one_pass): Run additional
674 todos returned by execute function.
675 * gcc/tree-pass.h (struct tree_opt_pass): Make execute
678 2006-03-02 Richard Guenther <rguenther@suse.de>
680 * tree-ssa-alias.c (find_used_portions): Consider taking
681 the address as making the variable not write-only.
683 2006-03-02 Nick Clifton <nickc@redhat.com>
685 * config.gcc (default_use_cxa_atexit): Extend the description of
686 this configure variable. Set its default value to "yes" for
687 Linux, NetBSD and ELF targets on the assumption that they will
688 use C libraries with the __cxa_atexit function.
690 2006-03-02 Ben Elliston <bje@au.ibm.com>
692 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
693 parameter as unused to suppress a build warning.
695 2006-03-02 Ben Elliston <bje@au.ibm.com>
697 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
700 2006-03-01 Roger Sayle <roger@eyesopen.com>
703 * gthr-posix.h (__gthrw2): Define to take three parameters, the
704 declared name, the weak reference name, and the typeof name.
705 (__gthrw): Avoid expanding the declared name suffix.
706 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
708 2006-03-01 Jakub Jelinek <jakub@redhat.com>
710 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
712 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
713 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
714 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
715 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
716 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
717 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
718 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
719 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
720 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
721 DW_DS_leading_separate, DW_DS_trailing_separate): New.
722 (DW_END_default, DW_END_big, DW_END_little): New.
723 (DW_END_lo_user, DW_END_hi_user): Define.
724 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
725 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
726 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
729 2006-03-01 Diego Novillo <dnovillo@redhat.com>
731 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
733 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
735 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
737 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
739 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
742 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
745 2006-03-01 Roger Sayle <roger@eyesopen.com>
747 * builtins.c (fold_builtin_copysign): Delete unreachable code.
749 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
752 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
753 MACHO_DYNAMIC_NO_PIC_P.
754 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
756 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
759 * config/darwin-protos.h (darwin_asm_output_anchor):
761 * config/darwin-sections.def (cstring_section):
762 Add SECTION_MERGE to the flags.
763 (literal4_section): Likewise.
764 (literal8_section): Likewise.
765 (objc_selector_refs_section): Likewise.
766 (objc_cls_refs_section): Likewise.
767 * config/darwin.c (darwin_asm_output_anchor): New
769 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
771 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
773 Fix PR tree-optimization/26443
774 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
775 to todo and PROP_tmt_usage to properties_destroyed.
776 * tree-ssa-ccp.c (pass_ccp): Ditto.
777 (pass_store_ccp): Ditto.
778 * tree-ssa-dom.c (pass_dominator): Ditto.
780 2006-03-01 Diego Novillo <dnovillo@redhat.com>
782 * tree-ssa-operands.c: Cleanup whitespace.
783 (get_asm_expr_operands): Move before first invocation.
784 (get_indirect_ref_operands): Likewise.
785 (get_tmr_operands): Likewise.
786 (get_call_expr_operands): Likewise.
787 (append_def): Likewise.
788 (append_use): Likewise.
789 (append_v_may_def): Likewise.
790 (append_v_must_def): Likewise.
791 (add_call_clobber_ops): Likewise.
792 (add_call_read_ops): Likewise.
793 (add_stmt_operand): Likewise.
794 (add_virtual_operand): Likewise.
795 (build_ssa_operands): Likewise.
797 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
802 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
803 with a call expr to ...
804 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
806 2006-03-01 Diego Novillo <dnovillo@redhat.com>
808 * tree-vrp.c (extract_range_from_assert): Remove special
809 handling for types with super-types.
811 2006-03-01 Ben Elliston <bje@au.ibm.com>
813 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
814 and powerpc64-*-linux* configurations.
815 * config/t-dfprules: New file.
817 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
818 Compile dfp-bit.c from the source directory using -DWIDTH and
819 $DFP_CFLAGS to control the compilation of that file, rather than
820 generating width-specific versions in the build directory.
821 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
822 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
824 2006-02-28 Zack Weinberg <zackw@panix.com>
826 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
829 2006-02-28 Eric Christopher <echristo@apple.com>
831 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
832 Set up IN_LIBGCC definition of TARGET_64BIT.
833 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
835 2006-02-28 Roger Sayle <roger@eyesopen.com>
838 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
839 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
840 cases via the construction of "expr != 0".
842 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
844 * alias.c (alias_invariant, alias_invariant_size): Remove.
845 (record_base_value): Remove.
846 (memrefs_conflict_p): Don't look at alias_invariant.
847 (end_alias_analysis): Don't free it.
848 * alias.h (record_base_value): Remove prototype.
850 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
851 Adam Nemet <anemet@caviumnetworks.com>
853 * rtl.h (truncated_to_mode): Declare it.
854 (struct rtl_hooks): Add reg_truncated_to_mode hook.
855 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
856 (RTL_HOOKS_INITIALIZER): Include it.
857 * rtlhooks.c (reg_truncated_to_mode_general): New function.
858 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
859 reg_truncated_to_mode.
860 * rtlanal.c (truncated_to_mode): Define it.
861 * simplify-rtx.c (simplify_unary_operation_1): Use it.
863 2006-02-28 Jeff Law <law@redhat.com>
865 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
866 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
867 the range allowed by TYPE_PRECISION.
869 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
871 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
873 PR tree-optimization/26419
874 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
877 2006-02-27 Zack Weinberg <zackw@panix.com>
879 * doc/md.texi: Fix typo in previous change.
881 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
885 2006-02-27 Zack Weinberg <zackw@panix.com>
887 * rtl.def (define_constraint, define_register_constraint)
888 (define_memory_constraint, define_address_constraint): New MD forms.
889 * gensupport.c (process_rtx): Put define_constraint etc on the
891 * genpreds.c (process_define_predicate): Adjust comment. Validate
892 the name, and call validate_exp to validate the expression.
893 (mark_mode_tests, write_extract_subexp): Can assume correct input.
894 (write_predicate_expr): Likewise. NAME argument no longer necessary;
896 (validate_exp, needs_variable, struct constraint_data)
897 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
898 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
899 (const_dbl_constraints, constraint_max_namelen)
900 (have_register_constraints, have_memory_constraints)
901 (have_address_constraints, have_address_constraints)
902 (have_extra_constraints, have_const_int_constraints)
903 (have_const_dbl_constraints, mangle, add_constraint)
904 (process_define_constraint, process_define_register_constraint)
905 (write_enum_constraint_num, write_lookup_constraint)
906 (write_insn_constraint_len, write_regclass_for_constraint)
907 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
908 (write_insn_extra_memory_constraint)
909 (write_insn_extra_address_constraint)
910 (write_satisfies_constraint_fns): New.
911 (write_tm_preds_h): If we have new-style constraint definitions,
912 prototype the functions generated from them, and define the
913 old constraint interface (still used by generic code) in terms of
915 (write_insn_preds_c): If we have new-style constraint definitions,
916 generate all relevant functions from those definitions.
917 (main): Handle define_constraint etc.
918 * genoutput.c (struct constraint_data, indep_constraints)
919 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
920 (mdep_constraint_len): New data structures and functions, defined
921 #ifdef USE_MD_CONSTRAINTS.
922 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
923 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
924 use new logic to validate operand constraints against constraint
926 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
928 * defaults.h: If none of the old-style constraint macros are
929 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
930 old-style macros; and poison REG_CLASS_FROM_LETTER,
931 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
933 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
934 * doc/md.texi: Document new constraint-definition mechanism and the
935 C interface it provides. Remove references to old mechanism
936 elsewhere in the document.
937 (Machine Constraints): Use pathnames relative to gcc directory,
938 i.e. config/ARCH/FILE. Change i386 section to refer to
939 config/i386/predicates.md; update that section to match docstrings.
940 * doc/tm.texi: Move all documentation of the old constraint-
941 definition macros to their own section, clearly mark as obsolete.
943 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
944 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
946 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
947 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
948 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
950 (splits and peepholes): Use satisfies_constraint_*.
951 * config/i386/i386.c (memory_address_length)
952 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
954 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
956 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
957 scalar operation to be put back into the loop.
959 2006-02-27 Jakub Jelinek <jakub@redhat.com>
962 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
963 (extract_cie_info): Handle S flag in augmentation string.
964 (execute_cfa_program): If context->signal_frame, execute also
965 fs->pc == context->ra instructions.
966 (uw_frame_state_for): If context->signal_frame, don't subtract one
967 from context->ra to find FDE.
968 (uw_update_context_1): Set context->signal_frame to
970 (_Unwind_GetIPInfo): New function.
971 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
972 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
974 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
975 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
976 * unwind-compat.c (_Unwind_GetIPInfo): New function.
977 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
978 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
979 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
980 * config/i386/linux-unwind.h (x86_fallback_frame_state,
981 x86_64_fallback_frame_state): Set fs->signal_frame.
982 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
983 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
984 (frob_update_context): Likewise. Workaround missing S flag in
985 Linux 2.6.12 - 2.6.16 kernel vDSOs.
986 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
987 Remove the psw_addr + 1 hack.
989 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
991 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
992 with aggregates here.
993 (find_func_aliases): Remove code for &<aggregate> from here.
995 2006-02-26 Roger Sayle <roger@eyesopen.com>
997 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
998 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
999 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
1002 2006-02-26 Roger Sayle <roger@eyesopen.com>
1005 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
1007 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
1009 * opts.c (decode_options): Do not handle flag_strength_reduce.
1010 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
1011 and OPT_fstrength_reduce.
1012 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
1013 flag_prefetch_loop_arrays for being nonzero.
1014 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
1016 (fprefetch-loop-arrays-rtl): Removed.
1017 (flag_prefetch_loop_arrays): Do not specify the value.
1019 * doc/passes.texi: Update documentation of loop optimizer
1021 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
1022 -frerun-loop-opt): Remove.
1024 2006-02-26 Richard Guenther <rguenther@suse.de>
1026 PR tree-optimization/26421
1027 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
1028 in function calls that are ADDR_EXPRs as using the whole structure.
1030 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
1032 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
1033 * tree-pass.h (pass_loop_optimize): Remove.
1034 * passes.c (pass_loop_optimize): Never run it.
1035 * toplev.c (backend_init): Don't call init_loop.
1036 * opts.c (flag_loop_optimize_set): Remove.
1037 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
1038 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
1039 the old RTL loop optimizer when profiling enabled.
1040 * predict.c (tree_estimate_probability): Always strip builtin_expect.
1041 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
1042 pre-headers for the sake of the old RTL loop optimizer.
1043 * Makefile.in: Remove all references to loop.o.
1045 * doc/invoke.texi: Remove all references to -floop-optimize
1046 and -frerun-loop-opt.
1048 2006-02-26 Zack Weinberg <zackw@panix.com>
1050 * doc/md.texi (Machine Constraints): Refer to all files with paths
1051 relative to gcc directory (i.e. config/CPU/file). Add missing
1052 @table @code ... @end table to M32C subsection.
1054 2006-02-26 Roger Sayle <roger@eyesopen.com>
1056 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
1058 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
1060 2006-02-26 Roger Sayle <roger@eyesopen.com>
1061 James A. Morrison <phython@gcc.gnu.org>
1064 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
1065 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
1066 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
1067 signedness of the shift operation.
1069 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
1071 PR tree-optimization/26359
1072 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
1074 2006-02-25 Roger Sayle <roger@eyesopen.com>
1076 * simplify-rtx.c (simplify_relational_operation_1): Simplify
1077 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
1078 as X == 0, and some symmetry related transformations.
1079 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
1081 2006-02-25 Roger Sayle <roger@eyesopen.com>
1084 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
1085 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
1086 symmetry related transformations. Fold (X^C1) == C2 as
1089 2006-02-25 Juergen Weigert <jw@suse.de>
1090 Richard Guenther <rguenther@suse.de>
1092 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
1094 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
1096 * combine.c (gen_lowpart_or_truncate): Call
1097 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
1099 2006-02-24 Diego Novillo <dnovillo@redhat.com>
1101 * doc/invoke.texi: Move -fopenmp description to "Options for
1103 Remove reference to -lgomp.
1105 2006-02-24 David Edelsohn <edelsohn@gnu.org>
1107 * doc/install.texi: Require GNU tar version 1.14.
1109 2006-02-24 Geoffrey Keating <geoffk@apple.com>
1111 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
1112 * doc/invoke.texi (C++ Dialect Options): Document
1113 -fno-use-cxa-get-exception-ptr.
1114 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
1115 * configure: Regenerate.
1116 * c.opt (fuse-cxa-get-exception-ptr): New.
1117 * c-opts.c (c_common_handle_option): Handle
1118 OPT_fuse_cxa_get_exception_ptr.
1119 * c-common.c (flag_use_cxa_atexit): Update documentation.
1120 (flag_use_cxa_get_exception_ptr): New.
1121 * c-common.h (flag_use_cxa_get_exception_ptr): New.
1122 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
1124 (C_COMMON_OVERRIDE_OPTIONS): New.
1126 2006-02-24 Roger Sayle <roger@eyesopen.com>
1129 * combine.c (try_combine): Explicitly check whether GET_CODE is
1130 a SET or a CLOBBER, instead on checking that it isn't a USE.
1132 2006-02-24 Roger Sayle <roger@eyesopen.com>
1134 * fold-const.c (fold_comparison): New subroutine of fold_binary
1135 containing transformations common to both the equality and
1136 ordering relational operators, factored out of fold_binary.
1137 (fold_binary): Separate out the equality operators (EQ_EXPR
1138 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
1139 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
1140 transformations common to both.
1141 (fold_div_compare): Fix latent bugs in the previously unreachable
1142 LT_EXPR and GE_EXPR cases.
1144 2006-02-24 David Edelsohn <edelsohn@gnu.org>
1146 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
1147 decl libname for clog to __clog on AIX.
1149 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
1151 2006-02-24 Alan Modra <amodra@bigpond.net.au>
1154 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
1155 output traceback table for thunks. Localise rs6000_stack_info call.
1157 2006-02-23 Roger Sayle <roger@eyesopen.com>
1158 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1160 * gthr-posix.h (__gthrw): Fix typo in comment.
1162 2006-02-23 Geoffrey Keating <geoffk@apple.com>
1164 * doc/cpp.texi (Character sets): Document that we do support
1165 input files to be in any character set.
1167 2006-02-23 Jeff Law <law@redhat.com>
1169 * tree.h (PHI_ARG_NONZERO): Remove.
1170 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
1171 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
1172 node to the new node.
1174 PR tree-optimization/26425
1175 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
1176 min/max, then assume its varying.
1178 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
1180 PR rtl-optimization/26316
1181 * rtlanal.c (enum may_trap_p_flags): New.
1182 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
1183 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
1184 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
1185 (may_trap_after_code_motion_p): New function.
1186 * loop-invariant.c (find_identical_invariants): Fix dump formating.
1187 (find_invariant_insn): Use may_trap_after_code_motion_p.
1188 * rtl.h (may_trap_after_code_motion_p): Declare.
1190 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
1192 * emit-rtl.c (immed_double_const): Cleanup.
1194 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
1196 Fix PR tree-optimization/26376
1197 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
1200 2006-02-23 Jakub Jelinek <jakub@redhat.com>
1203 * gimplify.c (omp_add_variable): Guard variable size decl test with
1204 DECL_SIZE (decl) check.
1206 2006-02-23 Richard Guenther <rguenther@suse.de>
1209 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
1210 like aggregate types.
1212 2006-02-23 Jakub Jelinek <jakub@redhat.com>
1214 * configure.ac: Add --with{,out}-long-double-128 configure option.
1215 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
1216 * configure: Rebuilt.
1217 * config.in: Rebuilt.
1218 * doc/install.texi (Options specification): Document
1219 --with-long-double-128.
1221 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
1222 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
1223 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
1224 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
1226 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
1228 * config/s390/s390.c (override_options): Handle
1229 TARGET_DEFAULT_LONG_DOUBLE_128.
1231 * config/alpha/alpha.c (override_options): Handle
1232 TARGET_DEFAULT_LONG_DOUBLE_128.
1234 * config/sparc/sparc.c (sparc_override_options): Handle
1235 TARGET_DEFAULT_LONG_DOUBLE_128.
1237 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
1239 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
1240 (real-install-headers-tar, real-install-headers-cpio)
1241 (real-install-headers-cp): New targets.
1243 2006-02-22 Richard Sandiford <richard@codesourcery.com>
1245 * tree.h (variable_section): Delete.
1246 * varasm.c (variable_section): Delete.
1248 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
1250 * install.texi: Add notes on install.texi2html.
1251 (Building in parallel): Do not use footnotes.
1253 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
1256 * doc/install.texi (Configuration): Document --disable-libgomp.
1258 2006-02-21 Geoffrey Keating <geoffk@apple.com>
1260 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
1262 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
1264 * config/i386/sse.md (vec_extractv2df_1_sse): New.
1265 (vec_extractv2df_0_sse): New.
1267 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
1269 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
1270 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
1271 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
1272 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
1273 to the result of the expression.
1274 (def_cfa_1): Adjust.
1275 (frame_pointer_cfa_offset): Rename to...
1276 (frame_pointer_fb_offset): ... this. Adjust all uses.
1277 (convert_cfa_to_loc_list): Rename to...
1278 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
1279 Pass it on to build_cfa_loc.
1280 (compute_frame_pointer_to_cfa_displacement): Rename to...
1281 (compute_frame_pointer_to_fb_displacement): ... this. New
1282 offset parameter. Use it in computation.
1283 (gen_subprogram_die): Compute cfa_fb_offset with the new
1284 macro, and use it to compute the fb loc list and the
1287 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
1289 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
1290 replaced with register_operand.
1291 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
1292 non-DREG is expensive.
1293 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
1294 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
1297 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
1299 * doc/install.texi2html: Use set -e.
1301 2006-02-21 Richard Sandiford <richard@codesourcery.com>
1303 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
1304 (ASM_OUTPUT_SHARED_LOCAL): Delete.
1305 * doc/invoke.texi (-fshared-data): Delete.
1306 * common.opt (fshared-data): Delete.
1307 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
1308 (assemble_static_space): Remove #if 0 code.
1309 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
1310 (ASM_OUTPUT_SHARED_LOCAL): Poison.
1311 * config/cris/cris.h: Remove FIXME.
1313 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
1315 * doc/sourcebuild.texi (Front End Directory): No more double-colon
1318 2006-02-21 Jakub Jelinek <jakub@redhat.com>
1321 * combine.c (simplify_shift_const_1): Disable nested shifts
1322 optimization for vector shifts.
1324 2006-02-20 Roger Sayle <roger@eyesopen.com>
1326 PR tree-optimization/26361
1327 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
1328 of unsigned integer types.
1330 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
1332 * tree-chrec.c (eq_evolutions_p): New.
1333 * tree-chrec.h (eq_evolutions_p): Declared.
1334 * tree-data-ref.c: Fix formatting.
1335 (datadep_stats, dependence_stats): New.
1337 (print_direction_vector): New.
1338 (dump_data_dependence_relation): Use print_direction_vector.
1339 (object_analysis, create_data_ref): Handle COMPONENT_REF.
1340 (compute_subscript_distance): Static.
1341 (initialize_data_dependence_relation): Static. Get the number
1342 of loops surrounding the references from the callers, and initialize
1343 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
1344 base_object_differ_p analyzers.
1345 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
1346 compute_overlap_steps_for_affine_1_2,
1347 analyze_subscript_affine_affine): Count the classified dependences.
1348 Print a message when a test failed.
1349 (can_use_analyze_subscript_affine_affine): New.
1350 (analyze_siv_subscript): Compute the data dependences on symbolic
1351 scevs that verify can_use_analyze_subscript_affine_affine.
1352 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
1353 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
1354 Handle symbolic scevs.
1355 (analyze_overlapping_iterations): Let symbolic affine scevs to be
1357 (subscript_dependence_tester): Moved...
1358 (build_classic_dist_vector, build_classic_dir_vector): Don't use
1359 lambda_vector_clear on newly allocated vectors. Get nb_loops from
1360 DDR_SIZE_VECT instead of getting it in parameter.
1361 (subscript_dependence_tester): ... here. Take as a parameter
1362 loop_nest_depth. Call build_classic_dist_vector and
1363 build_classic_dir_vector.
1364 (compute_affine_dependence): Update subscript_dependence_tester
1365 parameters. Update datadep_stats counters. Call
1366 compute_subscript_distance.
1367 (compute_self_dependence): Save the dist and dir vectors. Call
1368 compute_subscript_distance.
1369 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
1370 (compute_all_dependences): Reorder parameters as they were before
1371 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
1372 compute_subscript_distance. Update the use of
1373 compute_affine_dependence and initialize_data_dependence_relation.
1374 (find_data_references_in_loop): Handle COMPONENT_REF.
1375 (compute_data_dependences_for_loop): Initialize dependence_stats.
1376 Don't call build_classic_dist_vector and build_classic_dir_vector.
1377 Update the parameters of initialize_data_dependence_relation and
1378 compute_all_dependences. Print the statistics from datadep_stats.
1379 (analyze_all_data_dependences): Static. Not used until the pass for
1380 checking the data dependences is contributed.
1381 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
1382 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
1383 (initialize_data_dependence_relation, compute_affine_dependence,
1384 analyze_all_data_dependences, compute_subscript_distance): Removed.
1385 (print_direction_vector): New.
1386 * lambda.h (gcd): ... here.
1387 (lambda_vector_gcd): Moved here from gcd_vector.
1388 * lambda-code.c (gcd, gcd_vector): Removed.
1389 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
1390 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
1392 2006-02-20 Diego Novillo <dnovillo@redhat.com>
1394 * ipa-type-escape.c: Tidy some comments and white space.
1395 * tree-ssa-operands.c: Likewise.
1397 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
1400 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
1401 (dump_decl_name): Do not walk the decl tree chains.
1402 * tree-pass.h (TDF_CHAIN): Remove.
1404 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
1406 * Makefile.in (C): Remove
1408 (.PHONY): Remove C and PROTO
1410 2006-02-20 Roger Sayle <roger@eyesopen.com>
1413 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
1414 deprecated CHAR_TYPE tree code.
1416 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
1418 * configure.ac (target_list): Add install-info, dvi, html.
1419 * configure: Regenerate.
1421 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
1422 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
1423 treelang/Make-lang.in: Do not use double-colon rules.
1425 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
1427 * tree.h (struct tree_memory_tag): Add is_used_alone member.
1428 (TMT_USED_ALONE): New macro.
1429 * tree-pass.h (PROP_tmt_usage): New property.
1430 (TODO_update_tmt_usage): New todo.
1431 * tree-ssa-alias.c (updating_used_alone): New variable.
1432 (recalculate_used_alone): New function.
1433 (compute_may_aliases): Set updating_used_alone, call
1434 recalculate_used_alone.
1435 * tree-sra.c (pass_sra): Note that this pass destroys
1436 PROP_tmt_usage, and add TODO_update_tmt_usage.
1437 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
1438 * tree-flow.h (updating_used_alone): Prototype.
1439 (recalculate_used_alone): Ditto.
1440 * passes.c (execute_todo): Add code to set updating_used_alone,
1441 and call recalculate.
1442 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
1443 for clobber if used alone, and add assert to verify used_alone
1446 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
1448 * config/s390/s390.c (legitimize_pic_address): Assertions checking
1449 for non tls symbols added.
1450 (legitimize_address): Do nothing for PLUS expressions if one of the
1451 addends is a tls symbol reference.
1453 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
1457 * Makefile.in (LDFLAGS): Define from autoconf substitution.
1459 * Makefile.in (BOOTSTRAPPING): New.
1460 (quickstrap): New definition if BOOTSTRAPPING=yes.
1462 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
1463 * configure.ac: Substitute all_selected_languages with the languages
1464 that were configured. For all the other variables except
1465 lang_specs_files, include all the languages in the tree.
1466 * configure: Regenerate.
1468 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
1469 if there is one. Run the commands to run fixincludes in the same
1472 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
1473 * doc/install.texi: Document exact conventions for searching target tools.
1474 Document --with-build-time-tools. Document toplevel bootstrap. Document
1475 something more about building an Ada cross-compiler. Don't list GNU Make
1476 requirements which affect all platforms.
1478 2006-02-19 Roger Sayle <roger@eyesopen.com>
1481 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
1482 only equivalent if the have both the same mode and precision.
1484 2006-02-20 Ben Elliston <bje@au.ibm.com>
1486 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
1488 2006-02-19 Roger Sayle <roger@eyesopen.com>
1489 Steven Bosscher <stevenb.gcc@gmail.com>
1491 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
1492 constant pool references to identify stack mode constants.
1493 * rtlanal.c (constant_pool_constant_p): New predicate to check
1494 whether operand is a floating point constant in the pool.
1495 * rtl.h (constant_pool_constant_p): Prototype here.
1496 * loop.c (scan_loop): Avoid hoisting constants from the constant
1497 pool on STACK_REGS targets.
1498 (load_mems): Likewise.
1499 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
1500 loads into x87 registers expensive in terms of register pressure.
1502 2006-02-19 Roger Sayle <roger@eyesopen.com>
1504 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
1505 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
1507 2006-02-19 David Edelsohn <edelsohn@gnu.org>
1509 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
1510 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
1512 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
1514 * doc/invoke.texi: Document -fipa-pta.
1515 * common.opt: Add ipa-pta option.
1516 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
1517 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
1518 (do_ds_constraint): Ditto.
1519 (get_constraint_for): Only add to referenced_vars if
1520 referenced_vars exists.
1521 (insert_into_field_list): Rewrite to do this unsorted.
1522 (insert_into_field_list_sorted): Rename old insert_into_field_list
1524 (create_function_info_for): Use insert_into_field_list_sorted.
1525 (create_variable_info_for): Rewrite so it uses unsorted version,
1526 since the field list is sorted.
1527 (intra_create_variable_infos): Only add to referenced_vars if
1528 referenced_vars exists.
1529 (ipa_pta_execute): Init heapvars, and delete when done.
1530 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
1532 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1534 * doc/install.texi: Add missing `@samp'.
1536 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
1538 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
1541 2006-02-18 Mark Wielaard <mark@klomp.org>
1543 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
1544 who added new 4.1 features, bug fixes and integration support.
1546 2006-02-18 David Edelsohn <edelsohn@gnu.org>
1549 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
1552 2006-02-18 Richard Sandiford <richard@codesourcery.com>
1554 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
1555 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
1556 (copy_insn_1): Likewise. Don't copy each field individually.
1558 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
1560 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
1561 * rtl.c (rtx_size): Rename variable to...
1562 (rtx_code_size): ...this.
1563 (rtx_size): New function.
1564 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
1565 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
1567 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
1568 * rtl.h (rtx_code_size): New variable.
1569 (rtx_size): Change from a variable to a function.
1570 (RTX_SIZE): Rename to...
1571 (RTX_CODE_SIZE): ...this.
1574 PR tree-optimization/17106
1575 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
1576 (Anchored Addresses): New section.
1577 * doc/invoke.texi (-fsection-anchors): Document.
1578 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
1579 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
1580 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
1581 * hooks.c (hook_bool_mode_rtx_false): New function.
1582 * hooks.h (hook_bool_mode_rtx_false): Declare.
1583 * gengtype.c (create_optional_field): New function.
1584 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
1585 SYMBOL_REF_IN_BLOCK_P is true.
1586 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
1587 (min_anchor_offset, max_anchor_offset): Likewise.
1588 (use_anchors_for_symbol_p): New hook.
1589 * toplev.c (compile_file): Call output_object_blocks.
1590 (target_supports_section_anchors_p): New function.
1591 (process_options): Check that -fsection-anchors is only used on
1592 targets that support it and when -funit-at-a-time is in effect.
1593 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
1594 if the decl doesn't have one.
1595 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
1596 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
1597 of force_const_mem through use_anchored_address.
1598 (expand_expr_constant): New function.
1599 (expand_expr_addr_expr_1): Call it. Use the same modifier when
1600 calling expand_expr for INDIRECT_REF.
1601 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
1602 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
1603 * expr.h (use_anchored_address): Declare.
1604 * loop-unroll.c: Don't declare rtx vectors here.
1605 * explow.c: Include output.h.
1606 (validize_mem): Call use_anchored_address.
1607 (use_anchored_address): New function.
1608 * common.opt (-fsection-anchors): New switch.
1609 * varasm.c (object_block_htab, anchor_labelno): New variables.
1610 (hash_section, object_block_entry_eq, object_block_entry_hash)
1611 (use_object_blocks_p, get_block_for_section, create_block_symbol)
1612 (use_blocks_for_decl_p, change_symbol_section): New functions.
1613 (get_variable_section): New function, split out from assemble_variable.
1614 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
1615 use_blocks_for_decl_p say so. Use change_symbol_section if the
1616 symbol has already been created.
1617 (assemble_variable_contents): New function, split out from...
1618 (assemble_variable): ...here. Don't output any code for
1619 block symbols; just pass them to place_block_symbol.
1620 Use get_variable_section and assemble_variable_contents.
1621 (get_constant_alignment, get_constant_section, get_constant_size): New
1622 functions, split from output_constant_def_contents.
1623 (build_constant_desc): Create a block symbol if use_object_blocks_p
1624 says so. Or into SYMBOL_REF_FLAGS.
1625 (assemble_constant_contents): New function, split from...
1626 (output_constant_def_contents): ...here. Don't output any code
1627 for block symbols; just pass them to place_section_symbol.
1628 Use get_constant_section and get_constant_alignment.
1629 (force_const_mem): Create a block symbol if use_object_blocks_p and
1630 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
1631 (output_constant_pool_1): Add an explicit alignment argument.
1632 Don't switch sections here.
1633 (output_constant_pool): Adjust call to output_constant_pool_1.
1634 Switch sections here instead. Don't output anything for block symbols;
1635 just pass them to place_block_symbol.
1636 (init_varasm_once): Initialize object_block_htab.
1637 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
1638 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
1639 (place_block_symbol, get_section_anchor, output_object_block)
1640 (output_object_block_htab, output_object_blocks): New functions.
1641 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
1642 (TARGET_ASM_OUT): Include it.
1643 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
1644 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
1645 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
1646 (TARGET_INITIALIZER): Include them.
1647 * rtl.c (rtl_check_failed_block_symbol): New function.
1648 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
1649 (block_symbol, object_block): New structures.
1650 (rtx_def): Add a block_symbol field to the union.
1651 (BLOCK_SYMBOL_CHECK): New macro.
1652 (rtl_check_failed_block_symbol): Declare.
1653 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
1654 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
1655 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
1656 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
1657 * output.h (output_section_symbols): Declare.
1658 (object_block): Name structure.
1659 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
1660 (default_use_anchors_for_symbol_p): Declare.
1661 * Makefile.in (RTL_BASE_H): Add vec.h.
1662 (explow.o): Depend on output.h.
1663 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
1664 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
1665 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
1666 (rs6000_use_blocks_for_constant_p): New function.
1668 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1670 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
1672 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
1675 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
1678 2006-02-18 Diego Novillo <dnovillo@redhat.com>
1680 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
1684 2006-02-18 Jakub Jelinek <jakub@redhat.com>
1687 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
1688 instead of DECL_REGISTER.
1690 2006-02-18 Olivier Hainque <hainque@adacore.com>
1693 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
1695 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
1698 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
1699 * opth-gen.awk: Handle Var and InverseMask together.
1700 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
1701 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
1702 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
1703 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
1705 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
1706 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
1707 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
1708 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
1709 LINUX_DYNAMIC_LINKER): Define.
1710 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
1711 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
1713 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1714 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
1715 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1716 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1717 (TARGET_C99_FUNCTIONS): Don't define.
1718 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
1719 GLIBC_DYNAMIC_LINKER.
1720 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
1721 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
1722 GLIBC_DYNAMIC_LINKER64): Define.
1723 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
1724 LINUX_DYNAMIC_LINKER64.
1725 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1726 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1727 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
1728 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1729 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1730 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1731 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
1732 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
1733 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
1734 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
1735 and LINUX_DYNAMIC_LINKER32.
1736 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1737 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1738 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
1739 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1740 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
1742 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
1743 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
1744 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
1745 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
1746 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
1747 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
1748 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
1749 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
1750 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
1751 LINUX_DYNAMIC_LINKER): Define.
1752 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
1753 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
1754 GLIBC_DYNAMIC_LINKER64): Define.
1755 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
1756 LINUX_DYNAMIC_LINKER64.
1757 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1758 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1759 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
1760 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
1761 LINUX_DYNAMIC_LINKER): Define.
1762 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1763 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
1764 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
1765 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
1766 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
1767 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
1768 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
1769 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
1770 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
1771 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1772 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1773 * doc/invoke.texi (-muclibc): Remove caveat about supported
1776 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
1778 * doc/cpp.texi (__TIMESTAMP__): Document.
1780 2006-02-17 Roger Sayle <roger@eyesopen.com>
1783 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
1784 C is one less than the width of X (and related transformations).
1785 * simplify-rtx.c (simplify_unary_operation_1): Transform
1786 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
1787 depending on STORE_FLAG_VALUE, were C is one less then the
1790 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
1792 Fix PR tree-optimization/26341
1793 * tree-ssa-operands.c (add_virtual_operand): Remove assert
1794 about NAME_MEMORY_TAG's.
1796 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1799 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
1800 with hardware float support, and software float support. Add fcpy
1801 alternative to hardware patterns. Add alternatives to copy between
1802 general and floating-point registers to the 32-bit pattern.
1803 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
1804 secondary reload to load a QI or HI mode constant into a floating
1806 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
1807 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
1809 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
1812 * config/rs6000/darwin.md (load_macho_picbase_si): Add
1814 (load_macho_picbase_di): Likewise.
1816 2006-02-16 Jeff Law <law@redhat.com>
1818 * tree-vrp.c (set_value_range_to_nonnegative): New function.
1819 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
1820 (ssa_name_nonzero_p): Likewise.
1821 (get_value_range): Return NULL if VRP is not running.
1822 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
1823 VRP routines do not discover a range.
1824 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
1825 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
1826 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
1827 (tree_expr_nonnegative_p): Similarly.
1828 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
1829 (restore_nonzero_vars_to_original_value): Remove.
1830 (unsafe_associative_fp_binop): Remove.
1831 (tree_ssa_dominator_optimize): Remove initialization and
1832 finalization of nonzero_vars and nonzero_vars_stack.
1833 (dom_opt_initialize_block): No longer push marker on
1835 (dom_opt_finalize_block): No longer call
1836 restore_nonzero_vars_to_original_value.
1837 (record_equivalences_from_phis): No longer look for
1838 nonzero PHI arguments.
1839 (cprop_into_successor_phis): No longer propagate nonzero
1840 property into PHI arguments. Lose unused argument. Caller
1842 (record_equivalences_from_stmt): No longer record nonzero
1843 values for SSA_NAMEs.
1844 (lookup_avail_expr): No longer use nonzero_vars.
1846 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
1847 for sizetype when sizetype is unsigned.
1849 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
1851 PR rtl-optimization/25603
1852 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
1853 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
1854 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
1855 with new meaning of SETS.
1857 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
1862 * config/linux.opt: New file.
1863 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
1864 LINUX_DYNAMIC_LINKER): Define.
1865 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
1866 * config.gcc (*-*-linux*): Define extra_options.
1867 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
1868 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
1869 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
1870 GLIBC_DYNAMIC_LINKER.
1871 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
1872 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1873 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1874 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1875 * doc/invoke.texi (GNU/Linux Options): New section.
1877 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
1879 * config/sparc/sparc.md (setjmp): Rewrite.
1880 (setjmp_32): Delete.
1881 (setjmp_64): Likewise.
1883 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
1885 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
1888 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
1890 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
1893 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
1895 PR rtl-optimization/26296
1896 * Makefile.in (loop-invariant.c): Add except.h dependency.
1897 * loop-invariant.c: Include except.h.
1898 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
1900 2005-02-16 Paul Brook <paul@codesourcery.com>
1902 * reload1.c (emit_reload_insns): Invalidate dead input registers used
1905 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
1907 PR rtl-optimization/25636
1908 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
1909 when deciding whether an insn is an initializing insn.
1911 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
1913 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
1914 (tree_code_size): Ditto.
1915 * tree.h (struct tree_memory_tag): Remove parent_var.
1916 (struct tree_struct_field_tag): New.
1919 (union tree_node): Add sft member.
1920 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
1922 (create_sft): Add size and offset argument, set SFT_OFFSET and
1924 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
1925 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
1926 * tree-flow-inline.h (get_subvar_at): Update for
1927 SFT_OFFSET/SFT_SIZE.
1928 (var_can_have_subvars): Ditto.
1929 (overlap_subvar): Ditto.
1930 * print-tree.c (print_node): Print out interesting things for
1932 * tree-flow.h (struct subvar): Remove offset and size members.
1933 * tree-ssa-operands.c (get_expr_operands): Update for
1934 get_indirect_ref_operands changes.
1935 (get_indirect_ref_operands): Call add_virtual_operand instead of
1936 add_stmt_operand. Only recurse on base var if requested.
1937 (access_can_touch_variable): New function.
1938 (add_stmt_operand): Split virtual operand handling into ...
1939 (add_virtual_operand): Here. Add offset, size, and for_clobber
1940 arguments. Prune alias sets.
1941 (add_call_clobber_ops): Call add_virtual_operand.
1943 2006-02-15 Jakub Jelinek <jakub@redhat.com>
1946 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
1948 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
1949 than TREE_CODE as index into omp_clause_num_ops array.
1951 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
1953 PR rtl-optimization/26184
1954 * modulo-sched.c (generate_reg_moves): Free bitmap vector
1956 * modulo-sched.c (sms_schedule): Free g_arr pointer.
1957 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
1958 must_precede, must_follow and tobe_scheduled.
1961 * opts.c (common_handle_option): Free new_option pointer.
1962 * df-core.c (df_analyze): Free postorder pointer.
1964 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
1966 * Makefile.in: Fix the examples about the use of stamps
1968 2006-02-15 Michael Matz <matz@suse.de>
1972 * stor-layout.c (layout_decl): Zero-width bitfields aren't
1973 influenced by maximum_field_alignment or DECL_PACKED.
1974 (update_alignment_for_field): Ditto.
1975 (place_field): Ditto.
1976 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
1979 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
1981 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
1982 (debug_flow_info): Pass it.
1983 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
1984 * bb-reorder.c (reorder_basic_blocks): Likewise.
1985 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
1986 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
1987 * flow.c (life_analysis, recompute_reg_usage): Likewise.
1988 * gcse.c (gcse_main, bypass_jumps): Likewise.
1989 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
1990 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
1991 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
1992 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
1993 * rtl.h (dump_flow_info): Adjust prototype.
1994 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
1995 * var-tracking.c (variable_tracking_main): Likewise.
1996 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
1997 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
2000 2006-02-15 Marcin Dalecki <martin@dalecki.de>
2002 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
2005 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
2007 PR tree-optimization/26209
2008 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
2009 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
2011 * tree-cfg.c (replace_uses_by): Do not alter cfg.
2013 2006-02-14 Roger Sayle <roger@eyesopen.com>
2016 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
2017 (X,Y) and the corresponding symmetry related transformations.
2018 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
2019 (X,Y) and its symmetry related transformations.
2021 2006-02-14 Roger Sayle <roger@eyesopen.com>
2023 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
2026 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
2028 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
2030 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2033 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
2034 support COMDAT group.
2035 * configure: Regenerate.
2037 2006-02-14 Roger Sayle <roger@eyesopen.com>
2042 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
2044 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
2046 Fix PR tree-optimization/26260
2048 * doc/invoke.texi (max-fields-for-field-sensitive): Document
2050 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
2051 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
2052 * tree-ssa-structalias.c (create_variable_info_for): Use
2053 MAX_FIELDS_FOR_FIELD_SENSITIVE.
2055 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
2057 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
2059 * tree-ssa-loop-niter.c (number_of_iterations_ne,
2060 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
2061 of the ending condition.
2062 * tree-ssa-loop-manip.c: Include params.h.
2063 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
2064 tree_unroll_loop): New functions.
2065 * tree-pass.h (pass_loop_prefetch): Declare.
2066 * loop.c (rest_of_handle_loop_optimize): Test for
2067 -fprefetch-loop-arrays-rtl.
2068 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
2069 * timevar.def (TV_TREE_PREFETCH): New timevar.
2070 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
2071 pass_loop_prefetch): New.
2072 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
2073 (cleanup_tree_cfg_loop): Call scev_reset.
2074 * common.opt (fprefetch-loop-arrays-rtl): Add.
2075 * tree-ssa-loop-prefetch.c: New file.
2076 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
2077 (new_temp_expr_table): Initialize expr_vars.
2078 (free_temp_expr_table): Cleanup expr_vars.
2079 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
2080 expressions from being merged into one.
2081 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
2082 (struct tree_niter_desc): Add control, bound and cmp fields.
2083 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
2085 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
2086 (tree-cfgcleanup.o): Add SCEV_H dependency.
2087 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
2088 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
2090 2006-02-14 Richard Guenther <rguenther@suse.de>
2092 PR tree-optimization/26258
2093 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
2094 in PHI argument processing.
2096 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
2098 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
2099 new expression in the requested machine mode.
2101 2006-02-13 Roger Sayle <roger@eyesopen.com>
2103 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
2104 directly, instead let do_compare_rtx_and_jump handle this for us.
2105 * expr.c (expand_expr_real_1): Likewise.
2106 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
2107 before do_jump_by_parts_greater.
2108 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
2109 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
2111 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2113 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
2115 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
2117 PR rtl-optimization/26235
2118 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
2119 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
2122 2006-02-13 Jeff Law <law@redhat.com>
2124 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
2127 2006-02-13 Jakub Jelinek <jakub@redhat.com>
2130 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
2131 twice if decl is a builtin. When trying again, call get_callee_fndecl
2132 first to verify it is still a builtin.
2134 2006-02-13 Geoffrey Keating <geoffk@apple.com>
2136 * dwarf2out.c (base_type_die): Don't add AT_name here.
2137 (subrange_type_die): Don't add AT_name here.
2138 (modified_type_die): Rearrange code flow. Do add AT_name here.
2140 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
2142 PR rtl-optimization/26247
2143 PR rtl-optimization/26248
2144 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
2146 2006-02-13 Richard Sandiford <richard@codesourcery.com>
2148 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
2149 * config/fixtfdi.c: Likewise.
2150 * config/fixunstfdi.c: Likewise.
2151 * config/floatditf.c: Likewise.
2153 2006-02-13 Roger Sayle <roger@eyesopen.com>
2156 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
2157 into (X,C2) if C1 is a subset of the bits of C2. Transform
2158 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
2160 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
2162 2006-02-13 Josh Conner <jconner@apple.com>
2165 * varasm.c (function_section): Check for section name before
2166 calling select_section on targets that define
2167 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
2168 unlikely_text_section instead of hot_function_section if
2169 first_function_block_is_cold.
2171 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
2174 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
2176 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
2178 PR rtl-optimization/26222
2179 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
2180 after tree->rtl expansion.
2181 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
2182 before passing it to emit_move_insn.
2184 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
2186 * doc/invoke.texi (-Write-strings): Document that it is enabled by
2188 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
2189 Clarify documentation.
2190 * c-common.h (warn_write_strings): Remove.
2191 * c-common.c (warn_write_strings): Likewise.
2192 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
2195 2006-02-12 Roger Sayle <roger@eyesopen.com>
2198 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
2199 (do_jump_parts_zero_rtx): New function renamed from
2200 do_jump_parts_equality_rtx. Made static. Add a mode argument.
2201 (do_jump_parts_equality_rtx): New function split out from
2202 do_jump_parts_equality. Old implementation renamed as above.
2203 Call do_jump_parts_zero_rtx if either operand is zero.
2204 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
2205 do all of the heavy lifting.
2206 (do_compare_rtx_and_jump): Handle multi-word comparisons by
2207 calling either do_jump_by_parts_greater_rtx or
2208 do_jump_by_parts_equality_rtx.
2209 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
2210 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
2211 moved to do_compare_rtx_and_jump, call it directly.
2212 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
2213 mode argument. Call do_compare_rtx_and_jump.
2214 (emit_case_nodes): Update calls to do_jump_if_equal.
2216 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
2218 PR rtl-optimization/26225
2219 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
2221 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
2223 PR rtl-optimization/26232
2224 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
2226 2006-02-11 Jason Merrill <jason@redhat.com>
2229 * tree-inline.c (declare_return_variable): Just don't use the
2230 modify target if it's a gimple complex reg and the return slot
2233 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2235 * doc/contrib.texi: Update my entry.
2237 2006-02-10 Geoffrey Keating <geoffk@apple.com>
2239 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
2241 2006-02-10 Diego Novillo <dnovillo@redhat.com>
2243 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
2246 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
2248 * doc/invoke.texi (-floop-optimize2): Removed.
2249 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
2250 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
2251 Test flag_branch_on_count_reg only if HAVE_doloop_end.
2252 * common.opt (floop-optimize2): Removed.
2253 (fmove-loop-invariants): Enabled by default.
2255 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
2257 * tree-if-conv.c (combine_blocks): Free the result of
2258 get_loop_exit_edges.
2260 2006-02-10 Jeff Law <law@redhat.com>
2262 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
2264 PR tree-optimization/26213
2265 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
2266 loop trying to follow SSA_NAME_VALUE chains.
2268 2006-02-10 Richard Guenther <rguenther@suse.de>
2270 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
2271 deal with structures that end in implicitly variable sized arrays.
2273 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
2275 PR rtl-optimization/24762
2276 * df-scan.c (df_bb_refs_record): Record correct registers defined on
2279 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
2281 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
2282 (struct ivopts_data): Add regs_used field.
2283 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
2284 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
2285 instead of loop_data->regs_used;
2286 (free_loop_data): Do not free aux fields for loops.
2287 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
2288 and tree_ssa_iv_optimize_finalize.
2290 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
2292 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
2294 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
2297 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
2298 computing the effective result type.
2300 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
2303 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
2304 (tree_overlaps_hard_reg_set): Declare.
2305 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
2306 type and signature to match function type expected by walk_tree.
2307 (tree_overlaps_hard_reg_set): New function.
2308 (decl_conflicts_with_clobbers_p): Rename to:
2309 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
2310 Use tree_overlaps_hard_reg_set. Changed caller.
2311 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
2312 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
2313 * cris.c (cris_md_asm_clobbers): Likewise.
2315 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
2317 * reload1.c (emit_input_reload_insns): Delete code that tries to
2318 inherit using find_equiv_reg.
2320 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
2322 * c-common.h (flag_const_strings): Don't declare.
2323 * c-common.c (flag_const_strings): Remove.
2324 * c.opt (fconst_strings): Remove.
2325 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
2326 <OPT_Wwrite_strings>: Don't set flag_const_strings.
2327 (c_common_init_options): Don't set flag_const_strings.
2328 * doc/invoke.texi (-fno-const-strings): Remove documentation.
2330 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
2332 * arm.md (tlobits_cbranch): New pattern.
2333 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
2334 testing a single bit.
2336 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
2339 * tree-ssa-pre.c (create_component_ref_by_pieces):
2340 Handle RETURN_DECL like VAR_DECL.
2342 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
2345 * fold-const.c (fold_indirect_ref_1): Fold
2346 "*(foo *)&complexfoo" to "__real__ complexfoo"
2347 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
2349 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
2351 * tree-flow-inline.h (var_can_have_subvars):
2352 Volatile variables should not have subvariables.
2354 2006-02-09 Diego Novillo <dnovillo@redhat.com>
2357 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
2358 multiplying unsigned values.
2361 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
2363 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
2365 2006-02-08 Jason Merrill <jason@redhat.com>
2368 * tree.def: Elaborate on difference from MODIFY_EXPR.
2369 * doc/c-tree.texi (INIT_EXPR): Likewise.
2370 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
2371 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
2372 (gimplify_target_expr): Likewise.
2373 (gimplify_cond_expr): Remove target handling.
2374 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
2375 (gimplify_expr): Clobber it here.
2376 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
2377 Do return slot optimization if we have an INIT_EXPR.
2380 * tree-inline.c (declare_return_variable): Also clear
2381 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
2384 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
2387 * gimplify.c (gimplify_one_sizepos): Fix typo.
2389 2006-02-08 Jeff Law <law@redhat.com>
2391 PR tree-optimization/21417
2392 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
2393 across a backedge if the control statement at the end of the
2394 block is data dependent on other statements in the same block.
2395 (record_temporary_equivalences_from_stmts): Remove over-conservative
2396 test for threading across backedges.
2398 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
2399 control statement, handle all three special cases in the same
2400 manner as they all have the same desired solution. No longer
2401 special case edge flag updating when the post dominator is
2404 2006-02-08 Roger Sayle <roger@eyesopen.com>
2406 * tree.def (CHAR_TYPE): Remove.
2407 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
2408 * dwarf2out.c (base_type_die, is_base_type): Likewise.
2409 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
2410 (gen_string_type_die): Delete unreachable function.
2412 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
2413 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
2414 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
2415 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
2416 * builtins.c (type_to_class): Likewise.
2417 * fold-const.c (fold_convert, build_range_check,
2418 merge_ranges): Likewise.
2419 * expr.c (count_type_elements): Likewise.
2420 * c-pretty-print.c (pp_c_type_specifier): Likewise.
2421 * stor-layout.c (layout_type): Likewise.
2422 * ipa-type-escape.c (type_to_consider): Likewise.
2423 * gimplify.c (omp_firstprivatize_type_sizes,
2424 gimplify_type_sizes): Likewise.
2425 * explow.c (promote_mode): Likewise.
2426 * tree-sra.c (is_sra_scalar_type): Likewise.
2427 * varasm.c (output_constant): Likewise.
2428 * tree-inline.c (remap_type_1): Likewise.
2429 * convert.c (convert_to_pointer, convert_to_real,
2430 convert_to_integer, convert_to_complex): Likewise.
2432 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
2434 * df-scan.c (df_def_record_1): A set destination may
2435 be a parallel regardless of mode.
2437 2006-02-08 Roger Sayle <roger@eyesopen.com>
2440 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
2441 * config/mips/_tilib.c: Remove.
2442 * config/fixtfdi.c: New libgcc source file.
2443 * config/fixunstfdi.c: New source file.
2444 * config/floatditf.c: New source file.
2445 * config/floatunditf.c: New souce file.
2446 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
2447 files above instead of config/mips/_tilib.c.
2448 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
2450 2006-02-08 Jeff Law <law@redhat.com>
2452 PR tree-optimization/26169
2453 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
2456 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
2458 * df.h (DF_REG_SIZE): Return the length of the initialized
2461 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
2463 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
2464 __muldf3): Return a correctly signed zero.
2466 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
2468 * passes.c (register_one_dump_file): Accept the current properties
2469 instead of pass number. Adjust call to dump_register. Remove
2471 (register_dump_files): Now a wrapper around...
2472 (register_dump_files_1): ... this one. Do not modify the pass
2474 (next_pass_1): Cosmetic fix.
2475 (execute_todo): Keep second parameter only. Use curr_properties
2476 instead of fetching it from the pass structure. Check and set
2478 (execute_one_pass): Handle TODO_set_props. Use curr_properties
2479 instead of fetching it from the pass structure. Fix calls to
2480 execute_todo. Update curr_properties and initialize .vcg RTL dump
2481 after running the pass. Reset last_verified.
2482 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
2484 (FIRST_AUTO_NUMBERED_DUMP): New.
2485 (dump_register): Remove "num" parameter, assign it within the
2487 (get_dump_file_name): Modify template for dumps.
2488 * tree-dump.h (dump_register): Adjust prototype.
2489 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
2490 (PROP_trees): Add PROP_gimple_lomp.
2491 (TODO_set_props): New.
2492 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
2493 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
2494 * cfgexpand.c (pass_expand): Destroy PROP_trees.
2496 2006-02-08 Jakub Jelinek <jakub@redhat.com>
2498 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
2499 (sparc64-*-linux*): Likewise.
2500 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
2501 * config/sparc/t-linux: New file.
2502 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
2503 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
2504 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
2505 -m32 -mlong-double-128.
2507 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
2508 * config/alpha/t-linux: New file.
2509 * config/alpha/libgcc-alpha-ldbl.ver: New file.
2511 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
2512 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
2513 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
2514 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
2515 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
2516 (CPP_ARCH32_SPEC): Remove.
2518 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
2520 PR tree-optimization/26145
2521 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
2524 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2527 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
2528 >= 240000 when generating code for SOM runtime.
2529 (output_indirect_call): Don't use "b,l" instruction for indirect calls
2530 to $$dyncall when generating code for SOM runtime..
2532 2006-02-07 Dirk Mueller <dmueller@suse.com>
2535 * doc/invoke.texi (-Wsequence-point): Update documentation
2536 that -Wsequence-point is implemented for C++ as well.
2538 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
2540 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
2541 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
2542 (LIB_SPEC): Likewise.
2543 * doc/invoke.texi (SPARC options): Document -pthread.
2545 2006-02-07 Geoffrey Keating <geoffk@apple.com>
2547 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
2550 2006-02-07 Roger Sayle <roger@eyesopen.com>
2552 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
2553 Correct comment describing BOOLEAN_TYPE.
2555 2006-02-07 Dirk Mueller <dmueller@suse.com>
2557 * c.opt: C++ frontend supports -Wdiv-by-zero.
2558 * c-opts.c (c_common_handle_option): Remove dead case.
2560 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
2562 * configure.ac (TLS assembler check): Do not enable TLS by
2563 default on SPARC/Solaris before version 10.
2564 * configure: Regenerate.
2566 2006-02-07 David Edelsohn <edelsohn@gnu.org>
2568 * doc/invoke.texi (xl-compat): Document conversion and support
2571 2006-02-07 Jeff Law <law@redhat.com>
2573 * tree-vrp.c (find_conditional_asserts): Update comments.
2574 (simplify_stmt_for_jump_threading): New.
2575 (identify_jump_threads, finalize_jump_threads): New.
2576 (vrp_finalize): Call identify_jump_threads.
2577 (execute_vrp): Call finalize_jump_threads.
2578 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
2579 (vrp_element, vrp_data, vrp_element_p): Remove.
2580 (vrp_hash_elt, vrp_variables_stack): Remove.
2581 (vrp_hash, vrp_eq, record_range): Remove.
2582 (simplify_cond_and_lookup_avail_expr): Remove.
2583 (extract_range_from_cond): Remove.
2584 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
2585 (simplify_stmt_for_jump_threading): New.
2586 (dom_thread_across_edge): New wrapper.
2587 (tree_ssa_dominator_optimize): No longer initialize or
2588 finalize any of the VRP datastructures. Remove iteration
2589 step and simplify as a result of removal of iteration step.
2590 (pass_dominator): Perform a cfg cleanup after DOM.
2591 (dom_opt_finalize_block): Use the new common routines
2592 for threading jumps. Simplify stack management slightly.
2593 No longer need to unwind VRP state.
2594 (record_equivalences_from_incoming_edge): No longer record
2596 (eliminate_redundant_computations): No longer call
2597 simplify_cond_and_lookup_avail_expr.
2598 * tree-flow.h (potentially_threadable_block): Prototype.
2599 (thread_across_edge): Likewise.
2600 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
2601 (tree-ssa-threadedge.o): Add dependencies.
2602 * tree-ssa-threadedge.c: New file.
2603 * passes.c (init_optimization_passes): Merge PHIs before
2604 calling VRP. Run VRP again late in the SSA optimization pipeline.
2606 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
2608 * df-core.c (df_set_blocks): Do not dereference function pointers.
2609 (df_finish1): Likewise.
2610 (df_hybrid_search_forward): Likewise.
2611 (df_hybrid_search_backward): Likewise.
2612 (df_iterative_dataflow): Likewise.
2613 (df_analyze_problem): Likewise.
2614 (df_compact_blocks): Likewise.
2615 (df_dump): Likewise.
2616 * df-scan.c (df_rescan_blocks): Likewise.
2617 (df_record_entry_block_defs): Likewise.
2619 * genconditions.c (write_conditions): Guard the definition of
2620 'insn_conditions' with the check on GCC version.
2621 (write_writer): Guard the traversal 'insn_conditions' with
2622 the check on GCC version.
2624 2006-02-07 Richard Guenther <rguenther@suse.de>
2628 2006-01-30 Richard Guenther <rguenther@suse.de>
2630 * gimplify.c (gimplify_target_expr): Handle easy cases
2631 without creating a temporary.
2633 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
2635 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
2636 use of float in probability computations. Use edge probabilities
2637 in place of statically computed probabilities.
2638 (min_spec_prob): New static variable.
2639 (schedule_insns): Initialize it.
2640 (GET_SRC_PROB): Removed.
2641 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
2643 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
2646 * config/ia64/unwind-ia64.c: Revert last change.
2647 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
2648 (INCOMING_FRAME_SP_OFFSET): Define.
2650 2006-02-06 Roger Sayle <roger@eyesopen.com>
2652 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
2654 2006-02-07 Ben Elliston <bje@au.ibm.com>
2656 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
2657 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
2658 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
2659 (ix86_return_in_memory): Handle TDmode.
2660 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
2661 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
2663 2006-02-06 Richard Sandiford <richard@codesourcery.com>
2665 * reorg.c (dbr_schedule): Use dump_file instead of file.
2667 2006-02-06 Steve Ellcey <sje@cup.hp.com>
2670 * config/ia64/predicates.md (extr_len_operand): New predicate.
2671 * config/ia64/ia64.md (extv): Tighten constraints.
2673 (*tbit_and_2): Ditto.
2674 (*tbit_and_3): Ditto.
2675 (*tbit_or_2): Ditto.
2676 (*tbit_or_3): Ditto.
2680 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
2683 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
2685 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
2687 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
2688 loop_optimizer_init and loop_optimizer_finalize
2689 * tree-ssa-sink.c (execute_sink_code): Ditto.
2690 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
2691 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
2692 tree_ssa_loop_done): Ditto.
2693 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
2694 * sched-ebb.c: Include output.h.
2695 (schedule_ebbs): Do not use dump argument.
2696 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
2697 * loop.c (loop_dump_stream): Removed.
2698 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
2700 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
2701 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
2702 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
2703 loop_iterations, strength_reduce, record_biv, record_giv,
2704 final_giv_value, check_final_value, check_ext_dependent_givs,
2705 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
2706 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
2707 dump_file instead of loop_dump_stream.
2708 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
2710 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
2712 * flow.c (life_analysis, rest_of_handle_life): Ditto.
2713 * haifa-sched.c: Include output.h
2714 (schedule_insns, sched_init): Do not use dump argument.
2715 * mode-switching.c (optimize_mode_switching): Ditto.
2716 * modulo-sched.c (stats_file): Removed.
2717 (print_node_sched_params): Do not call argument dump_file.
2718 (sms_schedule_by_order, loop_canon_p, sms_schedule,
2719 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
2721 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
2723 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
2724 rtl_loop_init, rtl_loop_done): Ditto.
2725 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
2726 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
2728 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
2729 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
2730 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
2731 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
2732 * emit-rtl.c (renumber_insns): Ditto.
2733 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
2734 expand_gimple_basic_block, tree_expand_cfg): Ditto.
2735 * regclass.c (regclass): Ditto.
2736 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
2737 remove_ssa_form, rewrite_out_of_ssa): Ditto.
2738 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
2739 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
2741 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
2742 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
2744 * gcse.c (gcse_file, debug_stderr): Removed.
2745 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
2746 rest_of_handle_gcse): Do not use dump argument.
2747 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
2748 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
2749 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
2750 compute_code_hoist_vbeinout, compute_code_hoist_data,
2751 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
2752 compute_store_table, build_store_vectors, insert_insn_start_bb,
2753 insert_store, remove_reachable_equiv_notes, replace_store_insn,
2754 store_motion): Use dump_file instead of gcse_file.
2755 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
2756 * profile.c (profile_dump_file): Removed.
2757 (branch_prob): Use dump_file instead of profile_dump_file.
2758 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
2760 * tree-ssa-copy.c (dump_copy_of): Ditto.
2761 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
2762 dump file to life_analysis.
2763 * bt-load.c (branch_target_load_optimize): Ditto.
2764 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
2766 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
2767 regclass, dbr_schedule): Declaration changed.
2768 * sched-int.h (sched_init): Declaration changed.
2769 * tree-profile.c (tree_profile_dump_file): Removed.
2770 (tree_profile_hooks): Removed profile_dump_file hook.
2771 * rtl-profile (rtl_profile_dump_file): Removed.
2772 (rtl_profile_hooks): emoved profile_dump_file hook.
2773 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
2775 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
2776 * tree-cfg.c (build_tree_cfg): Ditto.
2777 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
2778 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
2779 Declaration changed.
2780 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
2781 life_analysis and schedule_insns.
2782 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
2784 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
2786 * config/mips/mips.c (mips_reorg): Ditto.
2787 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
2790 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
2792 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
2793 (s390_mangle_fundamental_type): New.
2794 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
2797 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
2798 (alpha_mangle_fundamental_type): New.
2799 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
2802 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
2804 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
2806 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
2807 (sparc_mangle_fundamental_type): New.
2809 2006-02-06 Jakub Jelinek <jakub@redhat.com>
2811 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
2812 (s390x-*-linux*): Likewise.
2813 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
2814 * config/s390/t-linux: New file.
2816 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
2818 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
2819 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
2821 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
2823 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
2824 (ANTIC_SAFE_LOADS): New macro.
2825 (find_or_generate_expression): Add prototype.
2826 (set_contains_value): Allow null set for sake of not always having
2827 to allocate ANTIC_SAFE_LOADS.
2828 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
2829 Allow COMPONENT_REF too.
2830 (valid_in_set): Allow COMPONENT_REF.
2831 Check ANTIC_SAFE_LOADS too.
2832 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
2833 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
2835 (can_PRE_operation): Add COMPONENT_REF.
2836 (create_component_ref_by_pieces): New function.
2837 (create_expression_by_pieces): Use create_component_ref_by_pieces.
2838 (insert_aux): Move AGGREGATE_TYPE_P check here.
2839 (compute_avail): Set bb local stmt uids.
2840 (pass_pre): Use TODO_update_ssa_only_virtuals.
2842 2006-02-06 Ben Elliston <bje@au.ibm.com>
2844 * configure.ac: Unconditionally disable decimal float by default.
2845 * configure: Regenerate.
2847 2006-02-06 Ben Elliston <bje@au.ibm.com>
2849 * read-rtl.c (read_name): Terminate reading on EOF.
2851 2006-02-06 Ben Elliston <bje@au.ibm.com>
2853 * dfp.c (decimal_real_arithmetic): Change second argument type
2854 from int to enum tree_code. Do not always return true, but now
2855 return result of any call to decimal_do helper functions.
2856 * dfp.h (decimal_real_arithmetic): Update prototype.
2858 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
2860 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
2862 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
2865 * tree-cfg.c (cleanup_dead_labels): Also don't remove
2868 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
2870 * tree-vrp.c (cfg_loops): Removed.
2871 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
2872 Use current_loops instead of cfg_loops. Pass flags to
2873 loop_optimizer_init.
2874 * cfgloopmanip.c (fix_loop_structure): Update only available
2876 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
2877 loop_optimizer_init.
2878 * modulo-sched.c (build_loops_structure): Removed.
2879 (sms_schedule): Use loop_optimizer_init.
2880 * loop-init.c (loop_optimizer_init): Use flags to determine
2881 which properties of loops to prepare.
2882 (rtl_loop_init): Pass flags to loop_optimizer_init.
2883 * tree-ssa-sink.c (execute_sink_code): Ditto.
2884 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
2885 * tree-ssa-pre.c (init_pre): Ditto.
2886 * cfgloop.h (LOOPS_NORMAL): New.
2887 (loop_optimizer_init): Declaration changed.
2889 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2891 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
2892 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
2894 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
2896 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
2898 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
2899 * pa/t-pa64: Delete quadlib.c rule.
2900 * pa/x-ada: Revert last change.
2901 * pa/t-pa: Revert last change. Delete quadlib.c rule.
2903 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
2905 PR rtl-optimization/26087
2906 * rtlanal.c (canonicalize_condition): Do not cross basic block
2909 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
2912 * config/ia64/ia64.c: Include debug.h.
2913 (MAX_ARTIFICIAL_LABEL_BYTES): New.
2914 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
2915 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
2916 (process_epilogue, process_set, process_for_unwind_directive):
2917 Output unwind info only if requested. Add CFA info if requested.
2918 Add new arguments as needed. Adjust callers.
2919 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
2921 (DWARF2_FRAME_INFO): Define to zero.
2922 * config/ia64/unwind-ia64.c: Remove code that compensated for
2923 the CFA offset error fixed above.
2924 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
2925 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
2926 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
2927 -funwind-tables and -fexceptions to enable frame info.
2928 (dwarf2out_frame_init): Define initial CFA even if
2929 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
2930 DWARF2_UNWIND_INFO is nonzero, not just defined.
2931 (dwarf2out_frame_finish): Output non-EH call frame info only
2932 if DWARF2_FRAME_INFO is nonzero.
2933 (convert_cfa_to_loc_list,
2934 compute_frame_pointer_to_cfa_displacement): Define even if
2935 unwind info is not supported.
2936 (gen_subprogram_die): Use the above unconditionally. Remove
2937 legacy alternate code.
2938 * toplev.c (compile_file): Compile in call to
2939 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
2940 (lang_dependent_init): Ditto for dwarf2out_frame_init.
2942 2006-02-04 David Edelsohn <edelsohn@gnu.org>
2943 Jakub Jelinek <jakub@redhat.com>
2945 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
2946 IBM extended float format long double as "g" on powerpc*-linux.
2948 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2951 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
2952 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
2954 2006-02-03 Jason Merrill <jason@redhat.com>
2957 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
2960 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
2961 on the return slot if it's an NRV.
2963 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
2965 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
2966 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
2967 rewrite_use): Do not handle USE_OUTER.
2968 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
2969 add_iv_outer_candidates, may_replace_final_value,
2970 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
2971 (find_interesting_uses_op): Functionality of
2972 find_interesting_uses_outer_or_nonlin moved here.
2973 (find_interesting_uses_outside): Use find_interesting_uses_op.
2975 2006-02-03 Alan Modra <amodra@bigpond.net.au>
2978 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
2980 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
2981 Ulrich Weigand <uweigand@de.ibm.com>
2984 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
2985 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
2986 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
2987 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
2989 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
2990 (s390_rtx_costs): Use the new fields to calculate rtx costs.
2991 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
2992 Define secondary reloads for TFmode moves.
2993 (constant_modes): Add TFmode.
2994 (NR_C_MODES): Set to 8.
2995 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
2997 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
2998 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
2999 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
3000 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
3001 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
3002 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
3003 (FPR mode macro): Add TFmode.
3004 (DSF mode macro): New.
3005 (<de>, <dee> mode attributes): Removed.
3006 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
3007 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
3008 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
3009 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
3010 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
3011 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
3012 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
3013 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
3014 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
3015 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
3016 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
3017 "*negabs<mode>2", "sqrt<mode>2"):
3018 Changed <de> to <xde>. R constraint replaced by <Rf>.
3019 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
3021 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
3022 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
3023 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
3025 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
3026 "extenddftf2", "extendsftf2"): New expanders.
3027 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
3028 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
3029 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
3030 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
3032 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
3033 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
3034 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
3035 __floatditf): Add a GCC_4.1.0 symbol version tag.
3036 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
3039 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
3042 * config/i386/i386.c (ix86_function_ok_for_sibcall):
3043 Use targetm.binds_local_p instead of TREE_PUBLIC.
3045 2006-02-02 Roger Sayle <roger@eyesopen.com>
3047 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
3048 on INTEGER_TYPEs to indicate that it denotes a character type.
3049 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
3050 signed_char_type_node, unsigned_char_type_node and char_type_node.
3051 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
3052 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
3053 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
3055 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
3056 Daniel Berlin <dberlin@dberlin.org>
3058 * tree-tailcall.c (arg_needs_copy_p): New function.
3059 (eliminate_tail_call): Use arg_needs_copy_p.
3060 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
3061 (add_virtual_phis): New function.
3063 2006-02-02 Jakub Jelinek <jakub@redhat.com>
3065 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
3066 #ignore instead of #scratch for %g7 .register directive.
3068 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
3070 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
3073 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
3075 * flow.c (calculate_global_regs_live): Assert that there aren't any
3078 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
3080 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
3082 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
3083 bsi_after_labels iterator.
3084 * tree-if-conv.c (find_phi_replacement_condition,
3085 replace_phi_with_cond_modify_expr): Likewise.
3086 * tree-scalar-evolution.c (scev_const_prop): Likewise.
3087 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
3089 2006-02-02 Diego Novillo <dnovillo@redhat.com>
3091 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
3093 2006-02-02 Diego Novillo <dnovillo@redhat.com>
3096 * tree-cfg.c (move_block_to_fn): Clear out the basic block
3097 array after growing it.
3099 2006-02-01 Steve Ellcey <sje@cup.hp.com>
3102 * fold-const.c (fold_checksum_tree): Change type of buf.
3104 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
3106 * reload.c (push_secondary_reload): Initialize t_icode.
3108 2006-02-01 Jakub Jelinek <jakub@redhat.com>
3110 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
3111 -msoft-float -mlong-double-128 only issue a warning, but don't
3112 swich to DFmode long double.
3114 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
3116 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
3117 has a constant equivalent, iterate over equivalents for arg0,
3118 calling simplify_relational_operation and if there's a result
3119 cheaper than X, apply fold_rtx and return the result.
3121 2006-02-01 Jan Hubicka <jh@suse.cz>
3123 * opts.c (no_unit_at_a_time_default): New global variable.
3124 (decode_options): Use it.
3125 * opts.h (no_unit_at_a_time_default): Declare.
3127 2006-02-01 Paul Brook <paul@codesourcery.com>
3129 * function.c (assign_parm_setup_reg): Use function argument promotion
3131 * expr.c (expand_expr_real_1): Use function argument promotion rules
3134 2006-02-01 Steve Ellcey <sje@cup.hp.com>
3136 * gcc.c (process_command): Change j to 'unsigned int'.
3138 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
3141 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
3142 Use the corrected index for the character
3143 out of the string constant.
3145 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
3147 * mode-switching.c (optimize_mode_switching): Fix size
3148 allocated for bb_info[n_entities].
3150 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
3152 * gcc.c (main): Correct type that is allocated for
3153 explicit_link_files.
3155 2006-01-31 Jakub Jelinek <jakub@redhat.com>
3157 * config/s390/s390.c (init_alignment_context): Set
3158 ALIAS_SET_MEMORY_BARRIER on the MEM.
3159 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
3161 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
3164 * loop-unroll.c (unroll_loop_runtime_iterations): Free
3166 * tree-ssa-live.c (type_var_init): Allocate bitmap after
3169 2006-01-31 Marcin Dalecki <martin@dalecki.de>
3171 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
3172 * regrename.c: Ditto.
3173 * tree-ssa-loop-im.c: Ditto.
3174 * tree-dump.c: Ditto.
3175 * tree-complex.c: Ditto.
3176 * genrecog.c: Ditto.
3177 * tree-ssa-threadupdate.c: Ditto.
3179 * java/class.c: Ditto.
3180 * java/jcf-parse.c: Ditto.
3181 * java/resource.c: Ditto.
3182 * java/except.c: Ditto.
3183 * java/jvspec.c: Ditto.
3184 * java/jcf-write.c: Ditto.
3185 * java/jcf-path.c: Ditto.
3186 * java/gjavah.c: Ditto.
3187 * java/zextract.c: Ditto.
3188 * java/jcf-io.c: Ditto.
3189 * java/jcf.h: Ditto.
3190 * java/buffer.c: Ditto.
3191 * java/lang.c: Ditto.
3192 * java/parse-scan.y: Ditto.
3193 * java/lex.c: Ditto.
3194 * java/lex.h: Ditto.
3195 * cfgloopmanip.c: Ditto.
3196 * postreload-gcse.c: Ditto.
3197 * tree-ssa-loop-manip.c: Ditto.
3198 * postreload.c: Ditto.
3199 * tree-ssa-loop-ch.c: Ditto.
3203 * diagnostic.c: Ditto.
3205 * genoutput.c: Ditto.
3207 * cfghooks.c: Ditto.
3208 * cfgloopanal.c: Ditto.
3209 * objc/objc-act.c: Ditto.
3211 * genextract.c: Ditto.
3212 * genautomata.c: Ditto.
3213 * pretty-print.c: Ditto.
3215 * cgraphunit.c: Ditto.
3218 * haifa-sched.c: Ditto.
3219 * dominance.c: Ditto.
3221 * tree-ssa-loop-ivopts.c: Ditto.
3223 * mode-switching.c: Ditto.
3224 * modulo-sched.c: Ditto.
3226 * ipa-pure-const.c: Ditto.
3228 * fix-header.c: Ditto.
3230 * tree-stdarg.c: Ditto.
3231 * ipa-utils.c: Ditto.
3232 * loop-init.c: Ditto.
3233 * ipa-inline.c: Ditto.
3236 * alloc-pool.c: Ditto.
3237 * dwarf2out.c: Ditto.
3239 * genattrtab.c: Ditto.
3240 * tree-ssa-loop-ivcanon.c: Ditto.
3244 * fortran/gfortranspec.c: Ditto.
3246 * local-alloc.c: Ditto.
3247 * langhooks.c: Ditto.
3248 * function.c: Ditto.
3249 * tree-vectorizer.c: Ditto.
3251 * ipa-type-escape.c: Ditto.
3253 * tree-if-conv.c: Ditto.
3256 * tree-data-ref.c: Ditto.
3257 * loop-unroll.c: Ditto.
3258 * treelang/treetree.c: Ditto.
3261 * ggc-common.c: Ditto.
3263 * coverage.c: Ditto.
3265 * tree-cfgcleanup.c: Ditto.
3266 * tree-ssa-pre.c: Ditto.
3267 * cfgcleanup.c: Ditto.
3268 * loop-invariant.c: Ditto.
3270 * ipa-prop.c: Ditto.
3271 * print-tree.c: Ditto.
3272 * conflict.c: Ditto.
3273 * ggc-page.c: Ditto.
3274 * sched-deps.c: Ditto.
3275 * regclass.c: Ditto.
3276 * tree-object-size.c: Ditto.
3278 * bb-reorder.c: Ditto.
3279 * resource.c: Ditto.
3280 * var-tracking.c: Ditto.
3282 * df-problems.c: Ditto.
3283 * reg-stack.c: Ditto.
3286 * sched-rgn.c: Ditto.
3287 * tree-ssa-structalias.c: Ditto.
3288 * tree-ssa-reassoc.c: Ditto.
3289 * config/darwin-c.c: Ditto.
3290 * config/darwin.c: Ditto.
3291 * config/arm/arm.c: Ditto.
3293 * collect2.c: Ditto.
3296 2006-01-31 Nicolas Pitre <nico@cam.org>
3298 * arm.md (smaxsi3): Make aware of smax_m1.
3301 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
3303 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
3305 2006-01-31 Richard Guenther <rguenther@suse.de>
3307 * doc/invoke.texi (-msselibm): Document.
3308 * target.h (expand_library_builtin): New target hook.
3309 * builtins.c (expand_builtin): Use expand_library_builtin.
3310 (default_expand_library_builtin): New function.
3311 * gcc.c (LINK_GCC_MATH_SPEC): Define.
3312 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
3313 (link_gcc_math_spec): Declare.
3314 (static_specs): Add link_gcc_math_spec.
3315 * expr.h (default_expand_library_builtin): Declare.
3316 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
3317 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
3318 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
3319 * config/i386/i386.opt (msselibm): New target option.
3320 * config/i386/i386.c (ix86_builtin_function_variants): New array.
3321 (ix86_init_sse_abi_builtins): New function.
3322 (ix86_expand_library_builtin): Likewise.
3323 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
3324 (override_options): Handle error conditions wrt -msselibm.
3325 (ix86_builtins): Add function codes for SSE2 ABI builtins.
3326 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
3327 * doc/extend.texi (__builtin_sse2_*): Document new target specific
3330 2006-01-31 Richard Guenther <rguenther@suse.de>
3331 Paolo Bonzini <bonzini@gnu.org>
3333 * doc/install.texi (--disable-libgcc-math): Document.
3335 2006-01-30 Marcin Dalecki <martin@dalecki.de>
3337 * expr.h (expand_normal): new inline function.
3338 * builtins.c: use it, use EXPAND_NORMAL explicitely.
3340 * dwarf2out.c: use it.
3345 * config/sparc/sparc.c: use it.
3346 * config/i386/i386.c: use it.
3347 * config/rs6000/rs6000.c: use it.
3348 * config/arm/arm.c: use it.
3349 * config/mips/mips.c: use it.
3350 * stmt.c: use it, use EXPAND_NORMAL explicitely.
3352 2006-01-30 Roger Sayle <roger@eyesopen.com>
3354 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
3355 argv to the appropriate type.
3357 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
3359 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
3362 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
3365 * config/s390/s390.c (struct machine_function): New flag
3366 decomposed_literal_pool_addresses_ok_p.
3367 (s390_reorg): Set it before final stage of literal pool transforms.
3368 (s390_decompose_address): Only accept displacements of the form
3369 (minus (label_ref ...) (label_ref ...)) if that flag is set.
3371 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
3373 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
3374 the comparison routine return.
3376 2006-01-30 Michael Matz <matz@suse.de>
3378 * global.c (find_reg): Only evict for global regs.
3379 Take n_refs into account and dump more info.
3381 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
3384 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
3385 (pragma_trap, pragma_nosave_low_regs): Likewise.
3386 (current_function_anonymous_args): Likewise.
3387 (sh_deferred_function_attributes): New variable.
3388 (sh_deferred_function_attributes_tail): Likewise.
3389 (print_operand): For '@', look up trap_exit attribute.
3390 (calc_live_regs): Look up trapa_handler attribute. For trapa
3391 handlers, save/restore fpscr, but don't do any other
3392 interrupt-specific saves.
3393 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
3394 Fix check for partially saved registers to check for SHmedia.
3395 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
3396 (sh_output_function_epilogue): Don't clear any of the removed
3398 (sh_insert_attributes): Don't check pragma_interrupt.
3399 Insert deferred attributes. Check that interrupt attribute is
3400 present for other attributes that require its presence.
3401 (sh_attribute_table): Add new attributes trapa_handler and
3403 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
3404 Don't check for pragma_interrupt. Don't store argument.
3405 * sh.h (pragma_interrupt, sp_switch): Don't declare.
3406 (sh_deferred_function_attributes): Declare.
3407 (sh_deferred_function_attributes_tail): Likewise.
3408 * sh.md (sp_switch_1): Add operand. Change generator caller.
3409 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
3410 (*return_i): Don't use when trap_exit attribute is in effect.
3411 (*return_trapa): New insn pattern.
3413 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
3414 setting c_target_objs and cxx_target_objs.
3415 * t-sh: Add rule for sh-c.o.
3417 2006-01-30 Richard Guenther <rguenther@suse.de>
3420 * gimplify.c (gimplify_target_expr): Handle easy cases
3421 without creating a temporary.
3423 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
3425 * vec.h (safe_grow): Remove duplicated line.
3427 2006-01-29 Diego Novillo <dnovillo@redhat.com>
3430 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
3431 (expand_omp): ... here.
3432 (expand_omp_parallel): Only remove barriers for combined
3433 parallel+workshare constructs.
3435 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
3439 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
3440 * tree.c (build_qualified_type): Chain the new type to the original
3441 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
3442 a POINTER_TYPE or a REFERENCE_TYPE respectively.
3443 (build_pointer_type_for_mode): Only return unqualified types.
3444 (build_reference_type_for_mode): Likewise.
3446 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
3448 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
3449 * Makefile.in (CXX_COMPAT_WARN): Define.
3450 * configure: Regenerate.
3452 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
3455 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
3458 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
3460 * toplev.c: Fix thinko.
3462 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
3463 Marcin Dalecki <martin@dalecki.de>
3465 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
3466 (push_srcloc): Use XNEW.
3467 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
3469 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
3471 * df-core.c (df_set_blocks): Deleted all variable.
3473 2006-01-28 Ian Lance Taylor <ian@airs.com>
3475 * cgraphunit.c (cgraph_assemble_pending_functions): Call
3476 cgraph_output_pending_asms.
3478 2006-01-28 Zack Weinberg <zackw@panix.com>
3480 * c.opt: Add -W(no-)overlength-strings.
3481 * doc/invoke.texi: Document it.
3482 * c-opts.c (c_common_handle_option): -pedantic implies
3483 -Woverlength-strings, if not explicitly disabled already.
3484 (c_common_post_options): -Woverlength-strings defaults to off, and
3485 is always off for C++.
3486 * c-common.c (fix_string_type): Issue warning about strings longer
3487 than is portable only if warn_overlength_strings. Rearrange code
3488 a little for clarity.
3489 * configure.in: Check for -Wno-overlength-strings as well before
3490 enabling -pedantic in stage 1.
3491 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
3492 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
3494 * genconditions.c (write_header, write_one_condition)
3495 (write_conditions, write_writer): Consolidate very long strings
3496 that were broken up to fit in C89 portable limit. Don't use
3497 printf when fputs will do.
3499 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
3501 * combine.c (simplify_comparison <AND>): Check
3502 TRULY_NOOP_TRUNCATION before start using a subreg.
3504 * config/mips/mips.md (*branch_zero<mode>,
3505 *branch_zero<mode>_inverted, *branch_equality<mode>,
3506 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
3507 Remove mode check from comparisons.
3509 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
3511 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
3513 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
3515 * expmed.c (const_mult_add_overflow_p): Remove.
3516 * expr.h: Remove the prototype for const_mult_add_overflow_p.
3518 * recog.c (validate_replace_rtx_subexp): Remove.
3519 * recog.h: Remove the prototype for
3520 validate_replace_rtx_subexp.
3522 * integrate.h: Remove the prototype for
3523 copy_decl_for_inlining.
3524 * rtl.h: Remove the prototype for mark_constant_function.
3525 * tree-vectorizer.h: Remove the prototype for
3526 vect_strip_conversion.
3528 * modulo-sched.c (create_partial_schedule,
3529 free_partial_schedule, reset_partial_schedule): Make them
3532 * hooks.c (hook_bool_rtx_int_false): Remove.
3533 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
3535 2006-01-28 David Edelsohn <edelsohn@gnu.org>
3537 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
3538 and -mlong-double-128 are incompatible.
3539 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
3540 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
3541 (TARGET_LIBGCC2_CFLAGS): Define.
3542 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
3543 (TARGET_LIBGCC2_CFLAGS): Same.
3544 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
3546 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
3549 * c-typeck.c (build_binary_op): Perform implicit casts of
3550 operands before shortening them.
3552 * cfgloopmanip.c (split_loop_bb): Remove.
3553 * cfgloop.h: Remove the prototype for split_loop_bb.
3555 * cfgloop.c (flow_loop_outside_edge_p): Remove.
3556 * cfgloop.h: Remove the prototype for
3557 flow_loop_outside_edge_p.
3559 * emit-rtl.c (init_virtual_regs): Make it static.
3560 * function.h: Remove the prototype for init_virtual_regs.
3562 * recog.c (peephole2_optimize): Make it static.
3563 * recog.h: Remove the prototype for peephole2_optimize.
3565 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
3567 * df-scan.c (df_record_entry_block_defs): Check if
3568 INCOMING_RETURN_ADDR_RTX is defined.
3570 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
3571 Kenneth Zadeck <zadeck@naturalbridge.com>
3573 PR rtl-optimization/24762
3574 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
3575 * targhooks.c (hook_void_bitmap): New hook prototype.
3576 * targhoohs.h (hook_void_bitmap): Ditto.
3577 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
3578 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
3579 * target.h (live_on_entry): New function pointer.
3580 * df-scan.c (df_all_hard_regs): Removed.
3581 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
3582 (df_scan_free_internal): Added df->entry_block_defs.
3583 (df_scan_alloc): Ditto.
3584 (df_scan_dump): Ditto.
3585 (df_uses_record): Plumbed flag field properly thru calls.
3586 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
3587 This part fixes PR24762.
3588 (df_bb_refs_record): Added code to make the frame and arg
3589 pointers live in EH blocks.
3590 (df_refs_record): Added call to df_record_entry_block_defs.
3591 (df_record_entry_block_defs): New function.
3592 * df-core.c: Added comments to describe new artifical defs.
3593 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
3594 (entry_block_defs): New field in struct df.
3595 (df_all_hard_regs): Deleted.
3596 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
3597 * df-problems.c (df_ru_bb_local_compute_process_def):
3598 Added code to handle artifical defs in the entry to a function.
3599 (df_ru_bb_local_compute): Ditto.
3600 (df_rd_bb_local_compute_process_def): Ditto.
3601 (df_rd_bb_local_compute): Ditto.
3602 (df_lr_bb_local_compute): Ditto.
3603 (df_ur_bb_local_compute): Ditto.
3604 (df_urec_bb_local_compute): Ditto.
3605 (df_chain_create_bb): Ditto.
3606 (df_ur_local_finalize): Removed entry.
3607 (df_urec_init): Ditto.
3608 (df_urec_local_finalize): Ditto.
3609 (df_ri_bb_compute): Added detection of last use of pseudos.
3610 * Makefile.in (df-scan.o): Updated dependencies.
3611 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
3612 * config/mips/mips.c (mips_set_live_on_entry): Added.
3613 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
3615 * dce.c (marked_insn_p): Added code to handle artifical defs.
3617 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
3619 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
3621 (_mm_cvtsi128_si64): Likewise.
3622 (_mm_cvtsd_si64): Likewise.
3623 (_mm_cvttsd_si64): Likewise.
3624 (_mm_cvtsi64_sd): Likewise.
3625 (_mm_cvtsi64_si128): Likewise.
3626 * config/i386/mmintrin.h (_m_from_int64): Likewise.
3627 (_mm_cvtsi64_m64): Likewise.
3628 (_m_to_int64): Likewise.
3629 (_mm_cvtm64_si64): Likewise.
3630 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
3631 (_mm_cvttss_si64): Likewise.
3632 (_mm_cvtsi64_ss): Likewise.
3633 (_mm_cvtss_f32): Likewise.
3635 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
3637 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
3638 for pragma redefine_extname.
3640 2006-01-27 Jakub Jelinek <jakub@redhat.com>
3643 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
3644 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
3645 -mno-minimal-toc to previous content.
3646 (bispecs): Remove goal.
3647 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
3648 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
3649 compatibility aliases on powerpc-*-*gnu*.
3650 * config/rs6000/libgcc-ppc-glibc.ver: New file.
3651 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
3652 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
3653 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
3654 (ldblspecs): New goal.
3655 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
3656 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
3658 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
3659 L_sf_to_tf or L_df_to_tf is defined.
3661 2006-01-27 David Edelsohn <edelsohn@gnu.org>
3662 Alan Modra <amodra@bigpond.net.au>
3665 * config/rs6000/linux.h (POWERPC_LINUX): Define.
3666 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
3667 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
3668 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
3669 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
3670 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
3671 (rs6000_override_options): Initialize rs6000_ieeequad.
3672 Initialize TFmode format to ibm_extended_format if not
3674 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
3676 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
3677 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
3678 (function_arg_advance): IBM long double passed in two FPRs, not
3680 (function_arg): IBM long double passed in FPRs.
3681 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
3682 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
3683 Only multireg GPR aligned.
3684 (rs6000_init_libfuncs): Enable IBM long double functions if not
3686 (rs6000_generate_compare): Use IBM long double compare if not
3688 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
3689 (TARGET_IEEEQUAD): Define.
3690 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
3691 not TARGET_IEEEQUAD.
3692 * config/rs6000/rs6000.md: Enable TFmode patterns if
3694 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
3695 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
3696 and -mlong-double-128 are incompatible.
3697 * doc/invoke.texi (-mabi): Collect options together. Add
3698 ibmlongdouble and ieeelongdouble.
3700 2006-01-27 Richard Sandiford <richard@codesourcery.com>
3702 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
3704 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
3705 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
3706 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
3707 * rtl.h (rtunion_def): Remove rt_ptr.
3709 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
3710 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
3711 * config/i386/winnt.c (i386_pe_mark_dllexport)
3712 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
3714 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
3716 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
3718 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
3722 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
3723 pthread_key_delete. From John David Anglin. gthrw-ify
3724 pthread_getunique_np only if it it's not a macro. Delete
3726 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
3727 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
3728 __gthread_objc_condition_signal, __gthread_key_delete): Add
3729 "__attribute__ ((__unused__))" to unused arguments.
3730 (__gthread_recursive_mutex_init_function): Add missing return.
3731 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
3732 gthr-posix95.h: Use macro-based approach for name redirection
3733 on targets missing weakref.
3735 2006-01-26 Zack Weinberg <zackw@panix.com>
3737 * genconditions.c (write_header): In generated code, #ifdef out
3738 all includes and fake declarations, except includes of bconfig.h
3739 and system.h, unless GCC_VERSION >= 3001. Do not include
3740 gensupport.h in any case.
3741 (write_conditions): Generate a definition of struct c_test. Add
3742 a comment to the generated #endif.
3743 (write_one_condition): Escape backslashes in string too.
3744 (write_writer): Generated code must escape backslashes and quote
3745 marks (but not newlines) in the strings it writes.
3746 * Makefile.in (build/gencondmd.o): Update dependencies.
3748 2006-01-26 Steve Ellcey <sje@cup.hp.com>
3751 * Makefile.in (insn-automata.o): Add header file dependencies.
3752 * genautomata.c: Add includes.
3754 2006-01-26 Steve Ellcey <sje@cup.hp.com>
3757 * Makefile.in (insn-automata.o): Add -Wno-error flag.
3759 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
3761 * configure.ac: Expect target tools paths to be passed from the toplevel
3762 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
3764 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
3766 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
3769 * c.opt (Wpointer-sign): Init to -1.
3770 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
3771 OPT_pedantic, to 0 otherwise.
3772 * doc/invoke.texi: Update.
3774 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
3776 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
3777 constants provided by 80387 instructions in the destination mode.
3779 2006-01-26 Richard Guenther <rguenther@suse.de>
3780 Andrew Pinski <pinskia@physics.uc.edu>
3783 partial PR tree-opt/17064
3784 * tree-ssa-structalias.c (intra_create_variable_infos):
3785 Create heap variables for incoming parameters if
3786 flag_argument_noalias > 1.
3787 (find_what_p_points_to): Look through default defs of
3790 2006-01-26 Jeff Law <law@redhat.com>
3793 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
3794 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
3795 within the VR_RANGE, use the VR_RANGE as the result, not the
3797 (adjust_range_with_scev): Reject ranges from SCEV which are out of
3798 bounds for the type.
3800 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
3802 * tree-ssa-alias.c (maybe_create_global_var): Change
3803 subvar walking to an assertion that we don't have subvar'd variables.
3805 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
3808 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
3809 Use a new variable, inner. PARM_DECLs are always non-weak.
3811 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
3813 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
3816 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
3818 * config/mips/mips.md (*clear_upper32): New combiner pattern.
3820 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
3822 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
3823 (smax_insn, smin_insn, smax_0, smin_0): New.
3825 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
3828 * config/cris/cris.c (cris_order_for_addsi3): New function.
3829 * config/cris/cris-protos.h: Prototype it.
3830 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
3831 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
3832 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
3833 (split for "op.S1 [rx=rx+i],ry (swapped)")
3834 (split for "op(s|u).S1 [rx=rx+i],ry")
3835 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
3836 Apply cris_order_for_addsi3 when generating addsi3 insns.
3838 2006-01-25 Diego Novillo <dnovillo@redhat.com>
3840 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
3841 (TREE_BLOCK): Add call to EXPR_CHECK.
3843 2006-01-25 Diego Novillo <dnovillo@redhat.com>
3846 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
3847 * tree-pretty-print.c (dump_omp_clause): Extract from ...
3848 (dump_omp_clauses): ... here.
3849 (dump_generic_node): Handle OMP_CLAUSE.
3850 * tree.c (omp_clause_num_ops): New.
3851 (omp_clause_code_name): New.
3852 (tree_code_size): Handle OMP_CLAUSE.
3853 (tree_size): Likewise.
3854 (make_node): Document handling of OMP_CLAUSE.
3855 (tree_node_structure): Handle OMP_CLAUSE.
3856 (omp_clause_check_failed): New.
3857 (omp_clause_range_check_failed): New.
3858 (omp_clause_operand_check_failed): New.
3859 (build_omp_clause): New.
3860 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
3861 * tree.h (enum omp_clause_code): Declare.
3862 (OMP_CLAUSE_SUBCODE_CHECK): Define.
3863 (OMP_CLAUSE_RANGE_CHECK): Define.
3864 (OMP_CLAUSE_ELT_CHECK): Define.
3865 (omp_clause_check_failed): Declare.
3866 (omp_clause_operand_check_failed): Declare.
3867 (omp_clause_range_check_failed): Declare.
3868 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
3869 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
3870 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
3871 (OMP_CLAUSE_LASTPRIVATE): Likewise.
3872 (OMP_CLAUSE_IF_EXPR): Likewise.
3873 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
3874 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
3875 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
3876 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
3877 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
3878 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
3879 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
3880 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
3881 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
3882 (OMP_CLAUSE_CODE): Define.
3883 (OMP_CLAUSE_SET_CODE): Define.
3884 (OMP_CLAUSE_CODE): Define.
3885 (OMP_CLAUSE_OPERAND): Define.
3886 (struct tree_omp_clause): Declare.
3887 (union tree_node): Add field 'omp_clause'.
3888 * treestruct.def (TS_OMP_CLAUSE): Define.
3889 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
3890 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
3891 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
3892 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
3893 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
3894 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
3895 (OMP_CLAUSE): Define.
3896 * print-tree.c (print_node): Handle OMP_CLAUSE.
3897 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
3898 * c-typeck.c: Likewise.
3899 * gimplify.c: Likewise.
3900 * c-omp.c: Likewise.
3901 * tree-nested.c: Likewise.
3902 * tree-inline.c: Likewise.
3903 * c-parser.c: Likewise.
3904 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
3907 2006-01-25 Roger Sayle <roger@eyesopen.com>
3909 PR rtl-optimization/25703
3910 * combine.c (try_combine): Handle zero_extract and strict_low_part
3911 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
3913 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
3915 * global.c: Fix comment typos.
3917 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
3920 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
3921 Use output_addr_const instead of assemble_name.
3923 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
3925 * Makefile.in (sched-vis.o): Update dependencies.
3926 * haifa-sched.c (sched_finish): Clear current_sched_info.
3927 * cfg.c (dump_bb_info): New, split from dump_flow_info.
3928 (dump_flow_info): Call it.
3929 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
3931 * basic-block.h (dump_bb_info): Declare.
3932 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
3933 option, and apply options only for dump files whose TDF_RTL,
3934 TDF_TREE, or TDF_IPA bits match.
3935 * rtl.h: Declare new functions exported from sched-vis.c.
3936 * sched-vis.c: Enable also if scheduling is not used.
3937 (print_value): Print the mode of registers if not inside scheduling.
3938 (print_insn): Make it work outside the scheduler. Beautify the output
3940 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
3942 2006-01-25 Richard Sandiford <richard@codesourcery.com>
3944 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
3945 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
3946 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
3947 depending on the value of CONSTANT_POOL_ADDRESS_P.
3948 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
3950 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
3951 rather than SYMBOL_REF_DECL.
3952 (rtx_constant_pool): Remove const_rtx_sym_htab.
3953 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
3954 (init_varasm_status): Don't initialize const_rtx_sym_htab.
3955 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
3956 Remove handling of const_rtx_sym_htab.
3957 (find_pool_constant): Delete.
3958 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
3959 rather than find_pool_constant.
3960 (get_pool_constant_for_function): Delete.
3961 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
3963 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
3964 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
3965 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
3966 (SYMBOL_REF_CONSTANT): New macro.
3967 (get_pool_constant_for_function): Delete.
3968 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
3969 rather than SYMBOL_REF_DECL.
3970 (i386_pe_mark_dllimport): Likewise.
3971 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
3972 rather than SYMBOL_REF_DECL.
3973 * config/darwin.c (machopic_indirect_data_reference): Likewise.
3974 (machopic_indirect_call_target): Likewise.
3976 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
3978 * flow.c (delete_noop_moves): Add missing EOL to dump message.
3980 2006-01-25 Richard Sandiford <richard@codesourcery.com>
3982 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
3984 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
3986 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
3988 2006-01-24 David Daney <ddaney@avtrex.com>
3991 * configure.ac (enable_tls): New enable option.
3992 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
3993 * configure: Regenerate.
3994 * doc/install.texi (--enable-tls): Document new option.
3995 (--disable-tls): Ditto.
3997 2006-01-24 Richard Henderson <rth@redehat.com>
3999 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
4000 * alias.c (true_dependence): Respect it.
4001 (canon_true_dependence, write_dependence_p): Likewise.
4002 * builtins.c (get_builtin_sync_mem): Set it.
4004 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
4006 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
4009 2006-01-24 DJ Delorie <dj@redhat.com>
4011 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
4012 for storing constants in single-bit bitfields.
4014 2006-01-25 Ben Elliston <bje@au.ibm.com>
4016 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
4018 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
4021 * tree-ssa-pre.c (phi_translate): Return NULL
4022 for AGGREGATE_TYPE's.
4024 2006-01-24 Zack Weinberg <zackw@panix.com>
4026 * genautomata.c (process_state_for_insn_equiv_partition):
4027 Use xcalloc for insn_arcs_array.
4028 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
4029 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
4031 2006-01-24 Richard Henderson <rth@redhat.com>
4033 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
4036 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
4038 PR rtl-optimization/25890
4039 PR rtl-optimization/25905
4040 * combine.c (expand_compound_operation, expand_field_assignment):
4041 Fail if the bitfield's final position is out of bounds.
4043 2006-01-24 Ian Lance Taylor <ian@airs.com>
4046 * cgraphunit.c (cgraph_output_in_order): Don't clear
4047 cgraph_asm_nodes until after asm strings have been output.
4049 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
4051 * fix-header.c (read_scan_file): Add new parameter imultilib when
4052 calling register_include_chains.
4054 2006-01-23 Diego Novillo <dnovillo@redhat.com>
4056 * omp-low.c: Update documentation.
4058 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
4059 Daniel Berlin <dberlin@dberlin.org>
4063 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
4064 return from the function.
4066 2006-01-22 Zack Weinberg <zackw@panix.com>
4068 * rtl.def (match_code): Add second argument.
4069 * genpreds.c (write_extract_subexp): New function.
4070 (write_match_code): Add path argument. Use write_extract_subexp.
4071 (write_predicate_expr): Pass path to write_match_code.
4072 (mark_mode_tests): MATCH_CODE applied to a subexpression does
4073 not perform a mode test.
4074 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
4075 a subexpression does not constrain the top-level code set.
4076 * read-rtl.c (read_rtx_variadic): New function.
4077 (read_rtx_1): Use it; allow AND and IOR to be variadic.
4078 * doc/md.texi: Document new notation.
4079 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
4080 (cmpsi_operand): ... here, using new notation.
4082 2006-01-22 Zack Weinberg <zackw@panix.com>
4084 * varray.c: Remove GENERATOR_FILE #ifdefs.
4086 2006-01-22 Zack Weinberg <zackw@panix.com>
4088 * genautomata.c (output_reserved_units_table): Emit nothing if
4089 description->query_units_num is zero. Remove extra blank line.
4090 (output_cpu_unit_reservation_p): Short circuit
4091 if description->query_units_num is zero.
4093 2006-01-22 Zack Weinberg <zackw@panix.com>
4095 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
4096 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
4097 nor any of the random handful of variables that used to be necessary
4098 when this program was linked with rtlanal.o. Prune set of forward
4099 function declarations.
4100 (struct attr_desc): Remove static_p field.
4101 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
4102 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
4103 (attr_string): Do not read the character one past the length of
4105 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
4106 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
4107 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
4108 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
4109 (make_automaton_attrs): New.
4110 (main): Do not call into genautomata. Call local gen_bypass
4111 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
4112 Remove special case for insn_alts.
4113 * genautomata.c: Include gensupport.h; not genattrtab.h nor
4114 varray.h (leftover from previous change). Prune set of forward
4115 function declarations. Remove state_alts fields from all
4116 structures. Remove state_alts_table from struct automaton.
4117 Make everything except main static. Do not maintain num_dfa_decls.
4118 Do not maintain state_alts fields of various structures.
4119 (process_decls): Don't validate condexp for dm_insn_reserv decls.
4120 (add_arc): Remove state_alts argument. All callers updated.
4121 (output_reserved_units_table): Emit #ifdef here...
4122 (output_tables): ...not here. Don't generate state_alts tables.
4123 (expand_automata): Don't generate attributes.
4124 (write_automata): Don't generate state_alts functions.
4125 (main): New function.
4126 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
4127 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
4128 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
4129 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
4130 (BYPASS_P_FUNC_NAME, output_state_alts_table)
4131 (output_automata_list_state_alts_code, output_internal_state_alts_func)
4132 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
4133 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
4135 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
4136 * genattrtab.h: Delete file.
4137 * Makefile.in (OBJS-common): Add insn-automata.o.
4138 (insn-automata.o): New rule.
4139 (simple_generated_c): Add insn-automata.c.
4140 (build/genattrtab.o, build/genautomata.o): Update dependencies.
4141 (genprogmd): Add automata.
4142 (build/genattrtab): Needs no extra objects nor libraries.
4143 (build/genautomata): Needs build/vec.o and -lm.
4145 2006-01-22 Zack Weinberg <zackw@panix.com>
4147 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
4148 (output_dfa_max_issue_rate, locked_states_num): Delete.
4149 (struct automaton): Add locked_states field.
4150 (output_dead_lock_vect): Save number of locked states in
4151 automaton->locked_states. If it is zero, don't print anything.
4152 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
4153 (output_internal_dead_lock_func): Only test the dead_lock_vect
4154 for automata that have locked states.
4155 (output_statistics): Always print the number of locked states for
4156 each automaton. Calculate total number of locked states here.
4157 (write_automata): Don't call output_dfa_max_issue_rate.
4158 * genattrtab.c: Define length_unit_log as a const variable.
4159 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
4160 max_insn_queue_index const.
4161 * final.c (length_unit_log): Declare const.
4162 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
4164 2006-01-22 Zack Weinberg <zackw@panix.com>
4166 * genautomata.c: Include vec.h, not varray.h.
4167 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
4168 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
4169 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
4170 VEC_* macros operating on appropriately typed vectors, or to
4171 malloced arrays when the size is known in advance. Const-ify
4172 many char* variables and function arguments. No functional changes.
4173 * Makefile.in (build/varray.o): Delete rule.
4174 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
4175 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
4177 2006-01-22 Zack Weinberg <zackw@panix.com>
4179 * gensupport.c: Define get_insn_name and record_insn_name here.
4180 (read_md_rtx): Call record_insn_name as appropriate.
4181 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
4182 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
4183 * genpreds.c, genrecog.c: Don't define get_insn_name nor
4185 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
4186 (BUILD_VARRAY): Delete.
4187 (genprognormal): Rename genprogmd. Fold in all programs from
4188 genprognoprint; also attrtab.
4189 (build/genattrtab): Just mention genautomata.o and varray.o.
4190 Reorganize a bit, add comments to make the categories clearer.
4192 2006-01-22 Zack Weinberg <zackw@panix.com>
4194 * genconditions.c (condition_table, add_condition): Delete.
4195 (write_conditions): Don't emit n_insn_conditions nor
4196 insn_elision_unavailable. Issue the gcc version #ifdef here,
4197 inside the table, with no #else clause ...
4198 (write_header): ...not here.
4199 (write_writer): New function.
4200 (main): Don't initialize condition_table. Use add_c_test.
4202 * gensupport.c (init_md_reader_args_cb): Handle multiple input
4203 files on the command line.
4204 (maybe_eval_c_test): Don't check insn_elision_unavailable.
4205 Return -1 if there is no entry in the table, don't abort.
4206 (add_c_test, traverse_c_tests): New functions.
4207 * gensupport.h (insn_elision_unavailable, insn_conditions)
4208 (n_insn_conditions): Delete declarations.
4209 (add_c_test, traverse_c_tests): Declare.
4210 * read-rtl.c: Include gensupport.h.
4211 (read_conditions): New function.
4212 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
4213 (read_rtx_1): If we get EOF when we were looking for an initial
4214 open paren, return 0. Call read_conditions when appropriate.
4215 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
4216 dummy-conditions.o. Eliminate references to insn-conditions.o,
4217 or change them to build/gencondmd.o, as appropriate. Remove
4218 insn-constants.h from $(simple_generated_h) and insn-conditions.c
4219 from $(simple_generated_c). For all files remaining in those
4220 two lists, add insn-conditions.md to the generator command line.
4221 Give insn-constants.h/s-constants their own rules. Add rules
4222 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
4223 (build/read-rtl.o): Depend on gensupport.h.
4224 (genprognormal): Include preds.
4225 (genprogearly): Rename genprognoprint; only difference is now that
4226 they don't link with $(BUILD_PRINT).
4227 * dummy-conditions.c: Delete.
4229 2006-01-22 Zack Weinberg <zackw@panix.com>
4231 * genextract.c: Don't include insn-config.h. Do include vec.h.
4232 Declare vectors of int, char, and locstr.
4233 (locstr): New typedef.
4234 (struct extraction): Make all array fields into bare pointers.
4235 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
4236 (insn_code_number): Delete.
4237 (accum_extract): New struct.
4238 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
4239 (gen_insn): Take insn_code_number as an argument. Use an
4240 accum_extract structure instead of loading data directly into
4241 a struct extraction, and having to know how big it might get.
4242 (walk_rtx): Operate entirely on an accum_extract structure.
4243 (print_path): Avoid unnecessary use of printf.
4244 (print_header): New function, split out of main. Distinguish
4245 more carefully between an unrecognizable insn and an insn that
4246 has the code number of a define_expand.
4247 (main): Pass insn_code_number to gen_insn. Call print_header
4248 only after parsing. Avoid unnecessary use of printf.
4249 * Makefile.in (build/vec.o): New rule.
4250 (build/genextract): Depend on build/vec.o.
4251 (build/genextract.o): Don't depend on insn-config.h.
4253 2006-01-22 Zack Weinberg <zackw@panix.com>
4255 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
4256 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
4257 practical. Eliminate per-generator-program link rules.
4259 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
4262 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
4263 with a call expr to ...
4264 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
4266 2006-01-23 Richard Guenther <rguenther@suse.de>
4268 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
4269 before make_edge with conditional EDGE_TRUE_VALUE.
4271 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
4272 Jan Hubicka <jh@suse.cz>
4273 Richard Guenther <rguenther@suse.de>
4275 PR rtl-optimization/25654
4276 * cfgexpand.c (aggregate_contains_union_type): New function.
4277 (add_alias_set_conflicts): Call it. Make sure to add conflicts
4278 for structure variables that contain a union type.
4280 2006-01-23 Richard Sandiford <richard@codesourcery.com>
4282 * gengtype.c (new_structure): Return the structure.
4283 (create_option): Add an extra "next" argument.
4284 (create_field): New function.
4285 (adjust_field_rtx_def): Use create_option and create_field.
4286 Remove a now-unnecessary call to find_structure.
4287 (adjust_field_tree_def): Likewise.
4288 (note_yacc_type): Remove an unnecessary call to find_structure.
4289 * gengtype.h (new_structure): Return the structure.
4290 (create_option): Add an extra argument.
4291 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
4292 (option): Adjust calls to create_option.
4294 2006-01-22 David Edelsohn <edelsohn@gnu.org>
4296 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
4298 2006-01-22 Paul Brook <paul@codesourcery.com>
4299 Peter Barada <peter@the-baradas.com>
4301 * config/m68k/m68k.md: Add Coldfire FPU support.
4302 Define FP mode macro and associated attributes.
4303 Use it for float mode patterns.
4304 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
4305 (LIBCALL_VALUE): Use m68k_libcall_value.
4306 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
4307 (m68k_function_value): Ditto.
4308 (emit_move_sequence): Ditto.
4309 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
4310 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
4311 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
4312 (MULTILIB_EXCEPTIONS): Ditto.
4313 * config/m68k/m68k.opt: Add mcfv4e.
4314 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
4315 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
4316 (m68k_output_function_prologue): Save ColdFire FPU registers.
4317 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
4318 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
4319 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
4320 ColdFire FPU registers.
4321 (m68k_libcall_value, m68k_function_value): New functions.
4322 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
4323 (LIBCALL_VALUE): Use m68k_libcall_value.
4324 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
4325 (MASK_COLDFIRE): Add MASK_CFV4E.
4326 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
4327 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
4328 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
4329 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
4330 (GO_IF_LEGITIMATE_ADDRESS): Use it.
4331 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
4332 * doc/invoke.tex: Document -mcfv4e on m68k.
4334 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
4336 * doc/contribute.texi: Change CVS to SVN and update the corresponding
4339 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
4342 * c-opts.c (c_common_handle_option): Don't include
4343 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
4344 * doc/invoke.texi (C++ Dialect Options): Document that
4345 -Wnon-virtual-dtor is no longer included in -Wall.
4347 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
4349 * gcov.c (print_version), gcov-dump.c (print_version),
4350 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
4353 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
4355 * df-scan.c (problem_SCAN): Added NULL reset function.
4356 (df_scan_reset_blocks): Added code to call reset block function
4357 (df_bb_refs_delete) Fixed comment.
4358 (df_insn_refs_delete): Made tolerant of deleting non existent info
4359 for dataflow problems that need to be reset.
4360 * df-core.c (df_set_blocks): Ditto.
4361 * df.h (struct df_problem): Added reset_fun.
4362 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
4363 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
4364 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
4365 functions to clear out all references to def-use or use-def chains.
4367 2006-01-21 Ben Elliston <bje@au.ibm.com>
4369 * varasm.c (assemble_real): Initialise data array.
4371 2006-01-20 Paul Brook <paul@codesourcery.com>
4373 Merge from csl-arm-branch.
4374 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
4375 * config/arm/arm.md (movdi): Force operands[1] to a register
4376 if we have a non-register source.
4377 (*arm_movdi, *movdf_soft_insn): Require that one of the
4378 operands be a register.
4379 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
4380 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
4382 2006-01-20 DJ Delorie <dj@redhat.com>
4384 * varasm.c (initialize_constant_valid_p): Allow pointers
4385 initialized from integer constants of lesser precision.
4386 (output_constant): Allow non-int-sized pointer modes to be
4387 initialized from integer constants.
4389 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
4392 * cppdefault.h (struct default_include): Add multilib flag.
4393 * cppdefault.c (cpp_include_defaults): Set it.
4394 * c.opt (-imultilib): New option.
4395 * c-opts.c (imultilib): New.
4396 (c_common_handle_option): Handle -imultilib.
4397 (c_common_post_options): Likewise.
4398 * c-incpath.c (add_standard_paths, register_include_chains):
4400 * c-incpath.h (register_include_chains): Add extra parameter.
4401 * gcc.c (do_spec_1): Generate -imultilib option.
4402 (The Specs Language): Update %I description.
4403 (process_command): Update copyright notice.
4404 * doc/cppopts.texi (-imultilib): Document.
4405 * doc/invoke.texi (-imultilib): Include in option summary.
4406 (%I): Update specs documentation.
4408 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
4410 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
4412 2006-01-20 Richard Sandiford <richard@codesourcery.com>
4414 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
4417 2006-01-20 Richard Guenther <rguenther@suse.de>
4418 Steven Bosscher <stevenb.gcc@gmail.com>
4420 PR rtl-optimization/24626
4421 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
4422 EDGE_TRUE_VALUE if in RTL mode.
4425 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
4426 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
4428 2006-01-20 Dirk Mueller <dmueller@suse.com>
4431 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
4432 instead of a special NOP marker.
4433 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
4434 NOP marker handling.
4435 * c-common.h (empty_body_warning): Add forward declaration.
4436 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
4437 Now uses IS_EMPTY_STMT() instead of special NOP markers.
4439 2006-01-20 Paul Brook <paul@codesourcery.com>
4441 * Makefile.in (lang_checks): Keep going if mkdir fails.
4443 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
4445 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
4446 be able to clean out basic block when not necessary.
4447 (df_scan_free): Fixed to properly delete information if df is
4448 unused before calling df_finish.
4449 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
4450 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
4452 (df_bb_refs_delete): New function.
4453 (df_refs_delete): Moved per block code to df_bb_refs_delete.
4454 * df-core.c (df_set_blocks): Added code to properly clean out
4455 unused blocks if they are not part of the blocks to consider.
4456 Added additional null check.
4457 (df_compact_blocks): Added basic block parameter to free_bb_fun to
4458 be able to clean out basic block when not necessary
4459 * df.h (df_free_bb_function): Ditto.
4460 (df_bb_refs_delete): New function.
4461 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
4462 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
4463 basic block parameter to be able to clean out basic block when not
4465 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
4466 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
4467 Fixed to properly delete information if df is unused before
4470 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
4472 PR rtl-optimization/25799
4473 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
4474 Corrected confluence operator to remove bits from op2 before oring
4475 with op1 rather than removing bits from op1.
4476 (df_ru_transfer_function): Corrected test on wrong bitmap which
4477 caused infinite loop. Both of these problems were introduced in
4478 the dataflow rewrite.
4480 2006-01-19 DJ Delorie <dj@redhat.com>
4482 * reload1.c (find_reload_regs): Note the details of reload
4483 failures in the dump file.
4484 (spill_failure): Likewise.
4486 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
4488 * loop-iv.c: Include df.h and hashtab.h.
4489 (enum iv_grd_result): New enum.
4490 (DF_REF_IV, DF_REF_IV_SET): New macros.
4491 (struct biv_entry): New.
4492 (df, bivs): New global variables.
4493 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
4494 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
4496 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
4497 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
4498 analyzed_for_bivness_p, record_biv): New functions.
4499 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
4500 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
4501 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
4503 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
4505 (iv_number_of_iterations): Use new interface to iv analysis.
4506 * loop-unroll.c: Do not include varray.h.
4507 (analyze_iv_to_split_insn): Use new interface to iv
4509 * loop-unswitch.c (may_unswitch_on): Ditto.
4510 * df.c (df_bitmaps_free): Only work for bbs for that structures are
4512 (df_bb_modify): Realloc tables to the new index.
4513 (df_find_use): New function.
4514 * df.h (df_find_use): Declare.
4515 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
4517 * cfgloop.h (struct rtx_iv): Remove analysed field.
4518 (iv_get_reaching_def): Removed.
4519 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
4520 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
4521 (loop-iv.o): Add df.h and hashtab.h dependency.
4522 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
4524 2006-01-20 Alan Modra <amodra@bigpond.net.au>
4527 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
4529 (__floatundisf, __floatundidf): Likewise.
4530 * libgcc2.h (IS_IBM_EXTENDED): Define.
4532 2006-01-19 DJ Delorie <dj@redhat.com>
4534 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
4536 2006-01-19 Paul Brook <paul@codesourcery.com>
4538 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
4539 as nothrow when unwinding tables are disabled.
4541 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4544 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
4545 of bit-field" when in system header.
4547 2006-01-19 DJ Delorie <dj@redhat.com>
4549 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
4550 the 16 bit shift limit of the m16c.
4552 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
4555 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
4556 * config/i386/i386.c (output_set_got): Output the label if we have one
4557 for the TARGET_DEEP_BRANCH_PREDICTION case.
4559 2006-01-19 Jan Hubicka <jh@suse.cz>
4560 H.J. Lu <hongjiu.lu@intel.com>
4561 Evandro Menezes <evandro.menezes@amd.com>
4563 * invoke.texi (generic): Document
4565 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
4566 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
4567 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
4568 (x86_use_incdec, x86_pad_returns): New variables
4569 (TARGET_CPU_DEFAULT_generic): New constant
4570 (TARGET_CPU_DEFAULT_NAMES): Add generic.
4571 (enum processor_type): Add generic32 and generic64.
4572 * i386.md (cpu attribute): Add generic32/generic64
4573 (movhi splitter): Behave sanely when both partial_reg_dependency and
4574 partial_reg_stall are set.
4575 (K8 splitters): Enable for generic as well.
4576 * predicates.md (incdec_operand): Use TARGET_INCDEC
4577 (aligned_operand): Avoid memory mismatch stalls.
4578 * athlon.md: Enable for generic64, new patterns for 128bit moves.
4579 * ppro.md: Enable for generic32
4580 * i386.c (generic64_cost, generic32_cost): New.
4581 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
4582 (x86_use_leave): Enable for generic64. (x86_use_sahf,
4583 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
4584 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
4585 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
4586 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
4587 x86_partial_reg_dependency, x86_memory_mismatch_stall,
4588 x86_accumulate_outgoing_args, x86_prologue_using_move,
4589 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
4590 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
4592 (x86_use_incdec, x86_pad_returns): New.
4593 (override_options): Add generic32 and generic64, translate "generic"
4594 to generic32/generic64 and "i686" to "generic32", refuse
4595 "generic32"/"generic64" as arch target.
4596 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
4597 (ix86_reorg): Honor PAD_RETURNS.
4599 2006-01-19 Diego Novillo <dnovillo@redhat.com>
4601 * tree-pretty-print.c (dump_generic_node): Handle
4602 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
4603 * cgraph.c (cgraph_expand_queue): Rename from
4604 cgraph_analyze_queue. Update all users.
4605 * cgraphunit.c (cgraph_assemble_pending_functions): Process
4606 cgraph_expand_queue.
4607 (cgraph_expand_all_functions): Likewise.
4608 (cgraph_finalize_pending_functions): Remove. Update callers.
4610 * tree.h (OMP_DIRECTIVE_P): Define.
4611 (OMP_PARALLEL_FN): Define.
4612 (OMP_PARALLEL_DATA_ARG): Define.
4613 (OMP_SECTIONS_SECTIONS): Define.
4614 * tree-pass.h (pass_expand_omp): Declare.
4615 * omp-low.c (struct omp_region): Declare.
4616 (struct omp_context): Remove fields 'parallel_type',
4617 'parallel_start_ix' and 'parallel_start_additional_args'.
4619 (struct omp_for_data): Rename from struct expand_omp_for_data.
4620 (omp_regions): New static variable.
4621 (root_omp_region): New static variable.
4622 (find_omp_clause): Make static.
4623 (is_in_combined_parallel_ctx): Remove.
4624 (is_combined_parallel): New.
4625 (extract_omp_for_data): Move earlier in the file.
4626 (workshare_safe_to_combine_p): New.
4627 (get_ws_args_for): New.
4628 (determine_parallel_type): Move earlier in the file.
4629 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
4631 (omp_copy_decl): Likewise.
4632 (create_omp_child_function): Likewise.
4633 (lookup_omp_region): New.
4634 (dump_omp_region): New.
4635 (debug_omp_region): New.
4636 (debug_all_omp_regions): New.
4637 (new_omp_region): New.
4638 (scan_omp_parallel): If parallel_nesting_level > 1, the
4639 directive is nested within another parallel directive.
4640 Set OMP_PARALLEL_FN.
4641 (scan_omp_for): Do not try to handle combined parallel+for
4643 Remove FIXME comment.
4644 (scan_omp_nested): Remove.
4645 (scan_omp_1): Do not call scan_omp_nested when
4646 parallel_nesting_level is > 1.
4647 Do not change the DECL_CONTEXT of local variables found.
4648 (lookup_decl_in_outer_ctx): New.
4649 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
4650 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
4651 (lower_reduction_clauses): Rename from expand_reduction_clauses.
4652 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
4653 If CTX is nested, lookup VAR in the outer context when
4654 building copy assignment.
4655 (lower_send_clauses): Rename from expand_send_clauses.
4656 If CTX is nested, lookup VAR in the outer context when
4657 building copy assignments.
4658 (lower_send_shared_vars): Rename from expand_send_shared_vars.
4659 If CTX is nested, lookup VAR in the outer context when
4660 building copy assignments.
4661 (expand_parallel_call): Rename from build_parallel_call.
4662 Handle combined parallel+workshare cases.
4663 Re-implement to emit code into the CFG.
4665 (expand_omp_parallel): Re-implement to emit code into the CFG.
4666 Call move_sese_region_to_fn to outline the sub-graph
4667 containing the parallel region.
4668 (expand_omp_for_1): Remove.
4669 (expand_omp_for_generic): Re-implement to emit code into the
4671 (expand_omp_for_static_nochunk): Likewise.
4672 (expand_omp_for_static_chunk): Likewise.
4673 (expand_omp_for): Likewise.
4674 (expand_omp_sections): Likewise.
4675 (remove_exit_barriers): New.
4676 (expand_omp_synch): New.
4678 (build_omp_regions_1): New.
4679 (build_omp_regions): New.
4680 (execute_expand_omp): New.
4681 (gate_expand_omp): New.
4682 (pass_expand_omp): Define.
4683 (lower_omp_sections): Rename from expand_omp_sections.
4684 Set OMP_SECTIONS_SECTIONS.
4685 (lower_omp_single_simple): Rename from expand_omp_single_simple.
4686 (lower_omp_single_copy): Rename from expand_omp_single_copy.
4687 (lower_omp_single): Rename from expand_omp_simple.
4688 (lower_omp_master): Rename from expand_omp_master.
4689 (lower_omp_ordered): Rename from expand_omp_ordered.
4690 (lower_omp_critical): Rename from expand_omp_critical.
4691 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
4692 (lower_omp_for): Re-implement.
4693 (lower_omp_parallel): Re-implement.
4694 (lower_regimplify): Rename from expand_regimplify.
4695 (lower_omp_1): Rename from expand_omp_1.
4696 If there are syntax errors in the program, replace every
4697 OpenMP directive with NOP.
4698 Call lower_omp_* instead of expand_omp_*.
4699 (lower_omp): Rename from expand_omp.
4701 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
4702 * tree-gimple.h (enum omp_parallel_type): Remove.
4703 (gimple_boolify): Declare extern.
4704 (find_omp_clause, determine_parallel_type): Remove.
4706 * gimple-low.c (lower_omp_directive): New.
4707 (lower_stmt): Call it.
4708 (record_vars_into): Move from ...
4709 (record_vars): ... here.
4710 Call record_vars_into with current_function_decl.
4712 * gimplify.c (struct gimplify_ctx): Remove fields
4713 combined_pre_p and combined_ctxp. Update users.
4714 (get_formal_tmp_var): Add documentation.
4715 (gimple_boolify): Make extern.
4716 (gimplify_expr_in_ctx): Remove. Update callers.
4717 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
4718 will always be a BIND_EXPR.
4719 (gimplify_expr): Handle OMP_RETURN_EXPR.
4720 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
4721 (OMP_PARALLEL): Add 3 operands.
4722 (OMP_SECTIONS): Add 1 operand.
4723 (OMP_RETURN_EXPR): Define.
4725 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
4726 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
4727 * tree-iterator.c (alloc_stmt_list): Assert that we are not
4728 creating a circular free list.
4729 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
4731 * tree-flow.h (move_sese_region_to_fn): Declare.
4732 (record_vars_into): Declare.
4733 * tree-cfg.c (make_omp_sections_edges): New.
4734 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
4735 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
4736 OMP_SECTIONS and OMP_SECTION.
4737 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
4738 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
4739 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
4740 (gather_blocks_in_sese_region): New.
4741 (struct move_stmt_d): Declare.
4743 (move_block_to_fn): New.
4744 (move_sese_region_to_fn): New.
4746 * passes.c (init_optimization_passes): Schedule
4747 pass_expand_omp after pass_init_datastructures.
4749 * tree-ssa-operands.c (get_expr_operands): Handle
4750 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
4751 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
4753 2006-01-19 Jeff Law <law@redhat.com>
4755 * tree-vrp.c (extract_range_from_assert): Refine the result range
4756 if the variable referenced by the ASSERT_EXPR has a range and
4757 either the tentative result range or the previous range is a
4760 2006-01-19 Richard Sandiford <richard@codesourcery.com>
4762 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
4764 2006-01-19 Jan Hubicka <jh@suse.cz>
4766 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
4768 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
4770 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
4771 (expand_compound_operation, expand_field_assignment): Fail if the
4772 bit lengths of an extract operation are out of range.
4773 (make_extraction): Compute wanted_inner_mode based on the position
4774 and length of the extraction. Make it extraction_mode for non-constant
4775 positions, and do not modify offset in that case. When generating a
4776 new MEM, use a mode that can hold the extraction while keeping correct
4777 alignment. Remove code that supported MEMs wrapped by USEs.
4778 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
4780 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
4782 * config/s390/s390.md ("Y", "y"): New mode attribute.
4783 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
4784 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
4785 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
4786 "*addsi3_imm_cc", "*addsi3_carry1_cc",
4787 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
4788 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
4789 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
4790 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
4791 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
4792 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
4793 "addsi3", "subsi3"): Insn patterns removed.
4794 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
4795 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
4796 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
4797 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
4798 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
4799 "*sub<mode>3_cconly2"): New insn patterns.
4800 ("addsi3", "subsi3"): New expanders.
4802 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
4804 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
4805 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
4806 existing STMT_VINFO_VECTYPE if available.
4807 (vect_mark_relevant): Add special handling for stmts that are
4808 marked as STMT_VINFO_IN_PATTERN_P.
4809 (vect_analyze_loop): Call vect_pattern_recog.
4810 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
4811 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
4813 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
4814 (vect_recog_func_ptr): New function-pointer type.
4815 * tree-vect-patterns.c: New file.
4816 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
4817 (vect_recog_dot_prod_pattern, vect_pattern_recog):
4818 (vect_pattern_recog_1): New functions.
4819 (vect_pattern_recog_funcs): New array of function pointers.
4821 * tree-vectorizer.h (ternary_op): New enum value.
4822 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
4823 declaration. Revised documentation. Removed redundant dump prints.
4824 Removed redundant argument. Added support for reduction patterns.
4825 (vectorizable_reduction): Added support for reduction patterns.
4826 (vect_transform_stmt): Added support for patterns.
4828 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
4829 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
4830 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
4831 (expand_widen_pattern_expr): New function.
4832 (init_optabs): Initialize new optabs udot_prod_optab,
4834 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
4835 (sdot_prod_optab, udot_prod_optab): Define new optabs.
4836 (expand_widen_pattern_expr): New function declaration.
4837 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
4839 * tree-inline.c (estimate_num_insns_1): Added cases for new
4840 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
4841 * tree-pretty-print.c (dump_generic_node): Likewise.
4842 (op_prio): Likewise.
4843 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
4844 * tree-ssa-operands.c (get_expr_operands): Added case for
4846 * tree-vect-patterns.c (widened_name_p): New function.
4847 (vect_recog_dot_prod_pattern): Added function implementation.
4848 * tree-vect-transform.c (get_initial_def_for_reduction): Added
4849 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
4850 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
4851 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
4853 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
4854 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
4855 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
4856 (init_optabs): Initialize new optabs widen_ssum_optab,
4858 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
4859 (widen_ssum_optab, widen_usum_optab): Define new optabs.
4860 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
4861 use instead of type of def.
4862 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
4863 function implementation.
4864 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
4865 widen_ssumv8hi): New.
4867 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
4870 2006-01-19 Richard Sandiford <richard@codesourcery.com>
4873 * c-decl.c (add_flexible_array_elts_to_size): New function.
4874 (finish_decl): Use it.
4876 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
4878 * diagnostic.h: Include options.h.
4879 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
4880 dependancies for diagnostic.h.
4881 * Makefile.in (DIAGNOSTIC_H): Add options.h.
4883 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
4885 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
4886 (ssa_ro_call_cache_valid): Ditto.
4887 * tree-ssa-alias.c (sort_tags_by_id): New function.
4888 (init_transitive_clobber_worklist): Ditto.
4889 (add_to_worklist): Ditto.
4890 (mark_aliases_call_clobbered): Ditto.
4891 (compute_tag_properties): Ditto.
4892 (set_initial_properties): Ditto.
4893 (compute_call_clobbered): Ditto.
4894 (compute_may_aliases): Call compute_call_clobbered and grouping.
4895 (compute_flow_sensitive_aliasing): Remove clobbering related code.
4896 (compute_flow_insensitive_aliasing): Grouping now happens in our
4898 (setup_pointers_and_addressables): Remove clobbering related code.
4899 (add_may_alias): Ditto.
4900 (replace_may_alias): Ditto.
4901 (get_nmt_for): Ditto.
4902 (create_global_var):
4903 (is_escape_site): Return an escape_type enumeration.
4904 * tree-flow-inline.h (is_call_clobbered): Global var does not
4905 imply call clobbered.
4906 (mark_call_clobbered): Take a reason for marking this. Remove
4907 marking of globalness, and cache invalidation.
4908 (clear_call_clobbered): Remove cache invalidation code.
4909 * tree-dfa.c (dump_variable): If details is on, dump the reason
4911 * tree-outof-ssa.c (create_temp): Copy escape mask from original
4913 * tree-flow.h (struct ptr_info_def): Add escape mask member.
4914 (struct var_ann_d): Ditto.
4915 (enum escape_type): New.
4916 (mark_call_clobbered): Adjust prototype.
4917 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
4918 are never call clobbered.
4919 Record reasons for escaping.
4920 * tree-ssa-structalias.h (is_escape_site): Update prototype.
4921 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
4922 (ssa_ro_call_cache_valid): Ditto.
4923 (clobbered_v_may_defs): Ditto.
4924 (clobbered_vuses): Ditto.
4925 (ro_call_vuses): Ditto.
4926 (clobber_stats): New.
4927 (init_ssa_operands): Zero out clobber stats.
4928 (fini_ssa_operands): Print out clobber stats.
4929 (get_call_expr_operands): Pass callee fndecl to
4931 (add_call_clobber_ops): Remove use of cache.
4932 Add use of PURE_CONST information.
4933 (add_call_read_ops): Remove use of cache.
4934 Add use of static not_read information.
4936 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
4938 Introduce TLS descriptors for i386 and x86_64.
4939 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
4940 (TARGET_ANY_GNU_TLS): New macro.
4941 (enum tls_dialect): Added TLS_DIALECT_GNU2.
4942 (struct machine_function): Add tls_descriptor_call_expanded_p.
4943 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
4944 (ix86_current_function_calls_tls_descriptor): Likewise.
4945 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
4946 (override_options): Introduce gnu2 tls dialect.
4947 (ix86_frame_pointer_required): Functions containing TLSCALLs are
4949 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
4951 (legitimize_tls_address): Adjust logic for GNU2 TLS.
4952 (ix86_init_machine_status): Initialize new field.
4953 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
4954 (ix86_tls_module_base): New.
4955 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
4956 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
4957 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
4958 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
4959 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
4960 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
4961 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
4962 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
4963 * config/i386/predicates.md (tls_modbase_operand): New.
4964 (tp_or_register_operand): New.
4966 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
4968 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
4969 (look_for_address_of): Ditto.
4970 (ipa_init): Walk the function decls.
4971 (static_execute): Don't set readonly on FUNCTION_DECL's.
4973 2006-01-18 Roger Sayle <roger@eyesopen.com>
4975 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
4976 for shifts where the source and destination registers are different.
4978 2006-01-18 Paul Brook <paul@codesourcery.com>
4980 Merge from csl-arm-branch.
4981 2005-03-14 Julian Brown <julian@codesourcery.com>
4982 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
4983 (aeabi_llsl): Likewise.
4984 (ashrdi3): Likewise.
4985 (aeabi_lasr): Likewise.
4986 (lshrdi3): Likewise.
4987 (aeabi_llsr): Likewise.
4988 2005-03-10 Julian Brown <julian@codesourcery.com>
4989 * config.gcc: Disable shared libgcc for SymbianOS.
4990 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
4992 2006-01-18 DJ Delorie <dj@redhat.com>
4994 * c-pragma.c (handle_pragma_diagnostic): New.
4995 (init_pragma): Register it.
4996 * doc/extend.texi: Document it.
4998 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
4999 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
5000 (diagnostic_context): Add classify_diagnostic[].
5001 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
5002 as errors if they're overridden to DK_WARNING.
5003 (diagnostic_initialize): Initialize classify_diagnostic[].
5004 (diagnostic_set_kind_override): New.
5005 (diagnostic_report_diagnostic): Check for kind changes.
5006 * opts.c (common_handle_option): Take lang_mask. Update callers.
5008 * common.opt (Werror=): New.
5009 * doc/invoke.texi: Document -Werror=*
5011 2006-01-18 Jeff Law <law@redhat.com>
5013 * tree-vrp.c (test_for_singularity): Correct test for new
5014 min limit. Use operand_equal_p rather than pointer equality
5015 for testing if new min/max values are equal.
5017 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
5018 using range information until after propagation and folding.
5020 2006-01-18 Richard Henderson <rth@redhat.com>
5021 Aldy Hernandez <aldyh@redhat.com>
5022 Jakub Jelinek <jakub@redhat.com>
5023 Diego Novillo <dnovillo@redhat.com>
5025 * omp-low.c: New file.
5026 * c-omp.c: New file.
5028 2006-01-18 Richard Henderson <rth@redhat.com>
5029 Jakub Jelinek <jakub@redhat.com>
5030 Diego Novillo <dnovillo@redhat.com>
5032 * doc/invoke.texi: Document -fopenmp.
5033 * tree-dump.h (debug_function): Declare.
5034 * hooks.c (hook_bool_tree_bool_false): New function.
5035 (hook_tree_tree_null): Remove.
5036 (hook_tree_tree_tree_null): New.
5037 * hooks.h: Update to match.
5038 * tree-pretty-print.c (debug_tree_chain): New.
5039 (print_generic_expr): Handle TDF_CHAIN.
5040 (dump_generic_node): Handle BLOCK.
5041 Do not abort with incomplete SWITCH_EXPRs.
5042 Do not dump body of an OpenMP directive if TDF_SLIM is given.
5043 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
5044 print space after directive name.
5045 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
5046 Handle OMP_MASTER and OMP_ORDERED.
5047 Handle printing of OMP_BODY just in one place, goto
5048 dump_omp_body in the rest of OMP_* nodes that have
5050 Don't handle clause nodes here. Update omp statements to
5051 use dump_omp_clauses.
5052 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
5053 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
5054 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
5055 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
5056 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
5057 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
5058 Adjust output for GOMP_PARALLEL.
5059 (dump_omp_clauses): New.
5060 (print_declaration): Dump DECL_VALUE_EXPR.
5061 (op_symbol_1): Split out of op_symbol.
5062 (dumping_stmts): Remove. Update all users.
5063 * cgraph.c (cgraph_analyze_queue): New.
5064 (cgraph_add_new_function): New.
5065 * cgraph.h (cgraph_analyze_queue): Declare.
5066 (cgraph_add_new_function): Declare.
5067 (cgraph_lower_function): Remove.
5068 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
5069 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
5070 and TYPE_P nodes in its default clause.
5071 (empty_body_p): New.
5072 (tree_range_check_failed): New.
5074 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
5075 OMP_CLAUSE_REDUCTION_MERGE,
5076 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
5077 OMP_CLAUSE_PRIVATE_DEBUG,
5078 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
5079 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
5080 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
5081 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
5082 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
5083 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
5084 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
5085 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
5086 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
5087 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
5088 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
5089 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
5090 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
5091 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
5092 (TREE_RANGE_CHECK): New.
5093 (empty_body_p): Declare.
5094 (enum omp_clause_default_kind): New.
5095 (build_string_literal): Declare.
5096 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
5097 (build5_stat, build5): Declare.
5098 * tree-pass.h (TDF_CHAIN): Define.
5099 * tree-pass.h (PROP_gimple_lomp): Define.
5100 (pass_lower_omp): Declare.
5101 * diagnostic.h (debug_tree_chain): Declare.
5102 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
5104 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
5105 * builtins.c (build_string_literal): Make extern.
5106 * gcc.c (include_spec_function): New.
5107 (static_spec_functions): Add it.
5108 (main): Move load of libgomp.spec ...
5109 (LINK_COMMAND_SPEC): ... here.
5110 (link_gomp_spec): New.
5111 (static_specs): Include it.
5112 (LINK_COMMAND_SPEC): Add link_gomp.
5113 (GOMP_SELF_SPECS): New.
5114 (driver_self_specs): Include it.
5115 (switch_matches): Don't mark inline.
5116 (main): Load libgomp.spec.
5117 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
5118 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
5119 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
5120 * tree-gimple.h (enum omp_parallel): Declare.
5121 (determine_parallel_type): Declare.
5122 (omp_firstprivatize_variable): Declare.
5123 (omp_reduction_init): Declare.
5124 (diagnose_omp_structured_block_errors): Declare.
5125 (struct walk_stmt_info): Add want_return_expr.
5126 (struct walk_stmt_info): Add want_bind_expr, want_locations.
5127 (find_omp_clause): Declare.
5128 (insert_field_into_struct): Declare.
5129 (struct walk_stmt_info): Move from tree-nested.c
5130 (walk_stmts): Declare.
5131 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
5133 * cgraphunit.c (cgraph_lower_function): Make static.
5134 (cgraph_finalize_pending_functions): New.
5135 (cgraph_finalize_function): Call it.
5136 (cgraph_finalize_compilation_unit): Likewise.
5137 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
5138 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
5139 (BT_FN_UINT_UINT): New.
5140 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
5141 DEF_FUNCTION_TYPE_VAR_4): Document.
5142 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
5143 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
5144 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
5145 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
5146 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
5147 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
5148 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
5149 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
5150 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
5151 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
5152 into separate files.
5153 (DEF_GOMP_BUILTIN): New.
5154 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
5155 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
5156 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
5157 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
5158 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
5159 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
5160 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
5161 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
5162 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
5163 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
5164 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
5165 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
5166 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
5167 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
5168 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
5169 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
5170 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
5171 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
5172 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
5173 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
5174 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
5175 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
5176 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
5177 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
5178 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
5179 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
5180 * sync-builtins.def: New file, moved from builtins.def.
5181 * omp-builtins.def: New file, moved from builtins.def.
5182 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
5183 * gimple-low.c (lower_function_body): Clear data.
5184 (lower_stmt): Do not handle COMPOUND_EXPR.
5185 Remove call to print_node_brief.
5186 * c-tree.h (c_finish_omp_clauses): New prototype.
5187 (C_DECL_THREADPRIVATE_P): Define.
5188 (lookup_name_no_remap, c_omp_remap_private): Remove
5189 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
5190 (check_for_loop_decls): Update decl.
5191 (lookup_name_no_remap, c_omp_remap_private): Declare.
5192 (build_indirect_ref, build_modify_expr, pushdecl,
5193 pushdecl_top_level): Move to c-common.h.
5194 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
5195 before the switch, but just in the 2 places that need it.
5196 * c-decl.c (diagnose_mismatched_decls): Do not check for
5197 mismatched thread-local attributes when OLDDECL is marked
5198 threadprivate and NEWDECL has no thread-local attributes.
5199 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
5200 (c_gimple_diagnostics_recursively): Rename from
5201 c_warn_unused_result_recursively. Invoke
5202 diagnose_omp_structured_block_errors.
5203 (check_for_loop_decls): Return a singular decl found.
5204 * langhooks.c (lhd_omp_predetermined_sharing): Return
5205 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
5206 (lhd_omp_firstprivatize_type_sizes): New.
5207 (lhd_omp_assignment): New.
5208 (lhd_omp_predetermined_sharing): New.
5209 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
5210 (struct lang_hooks_for_types): Add
5211 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
5212 omp_predetermined_sharing, omp_disregard_value_expr,
5213 omp_private_debug_clause, omp_clause_default_ctor,
5214 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
5215 (c_finish_omp_clauses): New.
5216 (c_finish_bc_stmt): Diagnose break within omp for.
5217 (c_begin_omp_parallel, c_finish_omp_parallel): New.
5218 (build_unary_op): Return error_mark after reporting
5220 (build_modify_expr): Likewise.
5221 * gimplify.c: Include optabs.h and pointer-set.h.
5222 (enum gimplify_omp_var_data): Declare.
5223 (struct gimplify_omp_ctx): Declare.
5224 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
5226 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
5227 (push_gimplify_context, pop_gimplify_context): Allow nesting.
5228 (splay_tree_compare_decl_uid): New.
5229 (new_omp_context): New.
5230 (delete_omp_context): New.
5231 (gimple_add_tmp_var): Call omp_add_variable.
5232 (gimplify_bind_expr): Likewise.
5233 (gimplify_var_or_parm_decl): If omp_notice_variable returned
5234 true, disregard DECL_VALUE_EXPR on the decl if any.
5235 (gimplify_expr_in_ctx): New.
5236 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
5237 omp_add_variable, omp_notice_variable, omp_is_private
5238 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
5239 gimplify_adjust_omp_clauses, gimplify_omp_parallel
5240 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
5241 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
5242 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
5243 gimplify_omp_atomic): New.
5244 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
5245 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
5246 OMP_CRITICAL and OMP_ATOMIC.
5247 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
5248 * c-pragma.h (enum pragma_kind): Add
5249 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
5250 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
5251 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
5252 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
5253 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
5254 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
5255 PRAGMA_OMP_THREADPRIVATE.
5256 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
5257 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
5258 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
5259 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
5260 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
5261 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
5262 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
5263 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
5264 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
5265 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
5266 * tree-ssa-dce.c (find_control_dependence): Do not assume that
5267 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
5268 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
5270 (struct nesting_info): Add field_map,
5271 suppress_expansion, debug_var_chain.
5272 (create_nesting_tree): Initialize them.
5273 (lookup_field_for_decl): Use field_map.
5274 (get_nonlocal_debug_decl, get_local_debug_decl): New.
5275 (convert_local_omp_clauses): New.
5276 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
5277 (walk_body): Split out of walk_function.
5278 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
5279 (convert_nonlocal_reference): Handle omp statements.
5280 (convert_local_reference): Likewise.
5281 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
5282 (unnest_nesting_tree): New.
5283 (lower_nested_functions): Call it.
5284 (insert_field_into_struct): Make extern.
5285 (struct walk_stmt_info): Move to tree-gimple.h.
5286 (walk_stmts): Make extern.
5287 * omp-builtins.def: New file.
5288 * tree-iterator.c (expr_only): Clarify comment.
5289 * c-common.h (pushdecl_top_level, pushdecl,
5290 build_modify_expr, build_indirect_ref,
5291 c_finish_omp_master, c_finish_omp_critical,
5292 c_finish_omp_ordered, c_finish_omp_barrier,
5293 c_finish_omp_atomic, c_finish_omp_flush,
5294 c_finish_omp_for, c_split_parallel_clauses,
5295 omp_clause_default_kind, c_omp_sharing_predetermined,
5296 c_omp_remap_decl): Declare.
5297 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
5298 (OBJS-common): Add omp-low.o.
5299 (c-omp.o, omp-low.o): Add.
5300 (gimplify.o): Add dependency on $(OPTABS_H).
5301 (GTFILES): Add omp-low.c.
5302 (gt-stringpool.h): Add.
5303 * tree-cfg.c (set_bb_for_stmt): Do not update the
5304 block-to-labels map if we are currently expanding to RTL.
5305 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
5307 Handle IDENTIFIER_NODE.
5308 (tree_verify_flow_info): Do not ICE when emitting error
5309 messages about invalid labels.
5310 (dump_function_to_file): Reset CFUN before emitting the body
5312 (debug_function): New.
5313 * passes.c (init_optimization_passes): Schedule
5315 * langhooks-def.h (lhd_omp_predetermined_sharing,
5316 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
5318 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
5319 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
5320 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
5321 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
5322 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
5323 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
5324 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
5325 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
5326 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
5327 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
5328 (LANG_HOOK_DECLS): Use them.
5330 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
5331 Richard Henderson <rth@redhat.com>
5332 Jakub Jelinek <jakub@redhat.com>
5333 Diego Novillo <dnovillo@redhat.com>
5335 * c-parser.c (pragma_omp_clause): Define.
5336 (c_parser_declaration_or_fndef): Document OpenMP syntax.
5337 (c_parser_compound_statement): Likewise.
5338 (c_parser_statement): Likewise.
5339 (c_parser_pragma): Handle omp pragmas.
5340 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
5341 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
5342 (c_parser_omp_clause_name, check_no_duplicate_clause,
5343 c_parser_omp_variable_list,
5344 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
5345 c_parser_omp_clause_copyprivate,
5346 c_parser_omp_clause_default,
5347 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
5348 c_parser_omp_clause_lastprivate,
5349 c_parser_omp_clause_nowait,
5350 c_parser_omp_clause_num_threads,
5351 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
5352 c_parser_omp_clause_reduction,
5353 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
5354 c_parser_omp_all_clauses, c_parser_omp_structured_block,
5355 c_parser_omp_atomic, c_parser_omp_barrier,
5356 c_parser_omp_critical, c_parser_omp_flush,
5357 c_parser_omp_for_loop, c_parser_omp_for,
5358 c_parser_omp_master, c_parser_omp_ordered,
5359 c_parser_omp_sections_scope, c_parser_omp_sections,
5360 c_parser_omp_parallel, c_parser_omp_single,
5361 c_parser_omp_construct, c_parser_omp_threadprivate): New.
5362 * c-pragma.c (init_pragma): Do omp pragma registration here.
5363 * c.opt (fopenmp): New flag.
5365 2006-01-18 Eric Christopher <echristo@apple.com>
5367 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
5368 * config/darwin.h (GOMP_SELF_SPECS): Define.
5370 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
5372 * rtl.h: Remove the prototype for reg_alloc.
5374 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5377 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
5378 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
5379 sjlj and dwarf2 exception handling.
5380 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
5381 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
5382 * pa/pa.c (function_value): Treat complex and vector types as
5384 (function_arg): Likewise. Only pass scalar floats in the floating
5385 point argument registers.
5386 * pa/t-slibgcc-dwarf-ver: New file.
5387 * pa/t-slibgcc-sjlj-ver: New file.
5388 * pa/t-slibgcc-elf-ver: Delete file.
5390 2006-01-19 Alan Modra <amodra@bigpond.net.au>
5392 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
5393 unlikely_test_section_p test.
5395 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
5397 * mode-switching.c (optimize_mode_switching): Make it static.
5398 * basic-block.h: Remove the prototype for
5399 optimize_mode_switching.
5401 * modulo-sched.c (sms_schedule): Make it static.
5402 * rtl.h: Remove the prototype for sms_schedule.
5404 * postreload-gcse.c (gcse_after_reload_main): Make it static.
5405 * rtl.h: Remove the prototype for gcse_after_reload_main.
5407 * reg-stack.c (reg_to_stack): Make it static.
5408 * rtl.h: Remove the prototype for reg_to_stack.
5410 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
5412 * rtl.h: Remove the prototypes for regrename_optimize and
5413 copyprop_hardreg_forward.
5415 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
5417 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
5418 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
5419 Test against the appropriate null constant for the mode.
5420 If 'fixup_overlap' is true, swap the operands if they overlap.
5421 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
5422 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
5423 alpha_split_tmode_pair and adjust for above change.
5424 * config/alpha/alpha.md (movtf_internal): Adjust call to
5425 alpha_split_tfmode_pair and rely on it to swap the operands.
5426 (movti_internal): New insn and post-reload splitter.
5427 (movti): New expander.
5429 2006-01-18 Philippe De Muyter <phdm@macqel.be>
5431 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
5434 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
5436 * rtlanal.c (global_reg_mentioned_p_1,
5437 global_reg_mentioned_p): Remove.
5438 * rtl.h: Remove the prototype for global_reg_mentioned_p.
5440 * flow.c (initialize_uninitialized_subregs): Make it static.
5441 * rtl.h: Remove the prototype for
5442 initialize_uninitialized_subregs.
5444 * function.c (instantiate_virtual_regs): Make it static.
5445 * function.h: Remove the prototype for
5446 instantiate_virtual_regs.
5448 * regmove.c (regmove_optimize, combine_stack_adjustments):
5450 * rtl.h: Remove the prototypes for regmove_optimize and
5451 combine_stack_adjustments.
5453 2006-01-17 Roger Sayle <roger@eyesopen.com>
5455 * config/i386/i386.c (COSTS_N_BYTES): New macro.
5456 (size_cost): Encode costs in bytes so that a reg-reg addition is
5457 equivalent to COSTS_N_INSNS(1).
5458 (override_options): Use the size_cost.branch_cost as the default
5459 ix86_branch_cost when optimizing for size.
5461 2006-01-18 Ben Elliston <bje@au.ibm.com>
5463 * Makefile.in (D32PBIT_FUNCS): New.
5464 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
5465 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
5466 D64PBIT_FUNCS and D128PBIT_FUNCS.
5467 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
5468 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
5470 (decnumber_dep): Define.
5471 * doc/libgcc.texi (Decimal float library routines): New node.
5472 * config/dfp-bit.h, config/dfp-bit.c: New files.
5474 2006-01-18 Ben Elliston <bje@au.ibm.com>
5476 * expr.c (emit_move_change_mode): Always adjust addresses, not
5477 just during reload. Copy replacements only during reload.
5478 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
5479 emit_move_via_integer.
5481 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
5483 * Makefile.in (check-%, check-consistency): Use $${srcdir}
5484 instead of $(srcdir) and ${srcdir}.
5486 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
5490 * arm.h (struct machine_function): Add pic_reg.
5491 * arm.c (arm_pic_register): Make unsigned.
5492 (arm_override_options): Only set arm_pic_register if
5493 TARGET_SINGLE_PIC_BASE.
5494 (use_return_insn): Only test for a pic register if it is fixed.
5495 (arm_compute_save_reg0_reg12_mask): Likewise.
5496 (thumb_compute_save_reg_mask): Likewise.
5497 (legitimate_pic_operand): Factor out some known invariants.
5498 (legitimize_pic_address): If we don't have a fixed pic register,
5499 then set up a pseudo in the function entry sequence. Handle the
5500 pic base being in a pseudo.
5501 (arm_load_pic_register): Handle the pic register being in a pseudo.
5502 (arm_expand_prologue): Only set up the pic register if it is fixed.
5503 (thumb_expand_prologue): Likewise.
5504 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
5505 (pic_load_addr_based_insn): Likewise.
5506 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
5509 2006-01-18 Ben Elliston <bje@au.ibm.com>
5511 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
5512 decimal float modes for all floating point registers.
5514 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
5515 match_code "mem" with match_test "macho_lo_sum_memory_operand".
5517 2006-01-17 Jakub Jelinek <jakub@redhat.com>
5520 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
5521 even when the pointer is not NULL.
5523 2006-01-16 Ian Lance Taylor <ian@airs.com>
5525 * common.opt (ftoplevel-reorder): New option.
5526 * cgraph.c (cgraph_asm_nodes): New global variable.
5527 (cgraph_asm_last_node): New static variable.
5528 (cgraph_order): New global variable.
5529 (cgraph_create_node): Set new order field.
5530 (cgraph_varpool_node): Likewise.
5531 (decide_is_variable_needed): Return true if not
5532 flag_toplevel_reorder.
5533 (cgraph_add_asm_node): New function.
5534 * cgraph.h (struct cgraph_node): Add order field.
5535 (struct cgraph_varpool_node): Add order field.
5536 (struct cgraph_asm_node): Define.
5537 (cgraph_asm_nodes, cgraph_order): Declare.
5538 (cgraph_add_asm_node): Declare.
5539 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
5541 (cgraph_varpool_assemble_pending_decls): Call it.
5542 (cgraph_output_pending_asms): New static function.
5543 (cgraph_finalize_compilation_unit): Call it.
5544 (struct cgraph_order_sort): Define.
5545 (cgraph_output_in_order): New static function.
5546 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
5547 !flag_toplevel_reorder case.
5548 * c-parser.c: Include "cgraph.h".
5549 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
5551 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
5552 than -fno-unit-at-a-time.
5553 * doc/invoke.texi (Option Summary): Mention
5554 -fno-toplevel-reorder.
5555 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
5556 -funit-at-a-time documentation.
5558 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
5559 Kazu Hirata <kazu@codesourcery.com>
5561 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
5563 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
5565 * Makefile.in (FUNCTION_H): New. Use it instead of
5566 function.h throughout the file.
5567 * function.h: Include tree.h.
5569 2006-01-17 Ben Elliston <bje@au.ibm.com>
5571 * recog.c: Separate some functions with whitespace.
5573 2006-01-16 Richard Henderson <rth@redhat.com>
5575 Merge from gomp branch:
5576 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
5577 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
5578 and rename from struct inline_data. Rename callee* to dst*;
5579 caller* to src*; add copy_decl hook, transform_call_graph_edges,
5580 transform_new_cfg, transform_return_to_modify, and
5581 transform_lang_insert_block flags; remove cloning_p, versioning_p,
5583 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
5584 (copy_decl_for_dup): Remove.
5585 * tree-inline.c (struct inline_data): Move to header.
5586 (insert_decl_map): Export.
5587 (remap_decl): Update for member name changes. Use copy_decl hook.
5588 Allow for replacement to be a non-decl. Remove dead code.
5589 (remap_type_1): Check for existing mapping.
5590 (remap_type): Export.
5591 (remap_decls): Update for member name changes.
5592 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
5593 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
5594 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
5595 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
5596 (tree_function_versioning, build_duplicate_type): Likewise.
5597 (copy_body_r): Likewise. Export.
5598 (copy_decl_for_dup): Split into ...
5599 (copy_decl_for_dup_finish, copy_decl_to_var,
5600 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
5601 (replace_ref_tree, inlining_p): Remove.
5603 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
5605 * ifcvt.c (if_convert): Make it static.
5606 * rtl.h: Remove the prototype for if_convert.
5608 * local-alloc.c (local_alloc): Make it static.
5609 * rtl.h: Remove the prototype for local_alloc.
5611 * loop.c (loop_optimize): Make it static.
5612 * cfgloop.h: Remove the prototype for loop_optimize.
5615 2006-01-16 DJ Delorie <dj@redhat.com>
5617 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
5620 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5622 * pa.md: Disparage copies between general and floating-point registers
5623 in 32-bit move patterns.
5625 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
5628 * Makefile.in (check-%): Depend on site.exp instead of
5629 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
5632 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
5634 * global.c (global_alloc): Make it static.
5635 * rtl.h: Remove the prototype for global_alloc.
5637 2006-01-16 Richard Guenther <rguenther@suse.de>
5639 * tree-ssa-alias.c (struct used_part): Add write_only field.
5640 (get_or_create_used_part_for): Initialize it to true.
5641 (create_overlap_variables_for): Don't create structure variables
5642 for structures that only are written to.
5643 (find_used_portions): Handle MODIFY_EXPR to track whether a
5644 structure is only written to.
5646 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
5648 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
5650 * basic-block.h: Remove the prototype for
5651 partition_hot_cold_basic_blocks.
5653 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
5655 * cppspec.c (lang_specific_spec_functions): Remove.
5656 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
5657 * gcc.h (lang_specific_spec_functions): Remove.
5658 * gccspec.c (lang_specific_spec_functions): Remove.
5660 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
5662 * combine.c (record_value_for_reg): Invalidate registers
5664 (record_dead_and_set_regs_1): Likewise, by passing them to
5665 record_value_for_reg.
5666 (record_dead_and_set_regs): Invalidate stores made by a
5667 call. We do not combine across a call, but we still
5668 relied on equivalences.
5670 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
5672 * tree-vrp.c (extract_range_from_binary_expr): Cope with
5673 vrp_int_const_binop returning non-constant nodes.
5675 2006-01-16 Paul Brook <paul@codesourcery.com>
5677 * config/m68k/m68k.c (output_move_const_into_data_reg):
5678 Output correct mnemonic for mvz and mvs.
5680 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
5682 * rtl-factoring.c: Add sequence abstraction algorithm.
5683 * cfgcleanup.c (outgoing_edges_match): Extra checks.
5684 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
5686 (block_has_preserve_label): New function.
5687 * common.opt: Register new pass.
5688 * Makefile.in: Ditto.
5690 * timevar.def: Ditto.
5691 * tree-pass.h: Ditto.
5692 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
5693 * rtl.h (make_jump_insn_raw): Add forward decl.
5694 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
5696 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
5697 Roger Sayle <roger@eyesopen.com>
5699 * fold-const.c (fold_minmax): New static function.
5700 (fold_binary) <MIN_EXPR>: Call it.
5701 <MAX_EXPR>: Likewise.
5702 * stor-layout.c (place_field): Use DECL_SIZE consistently
5703 in the computation of the new record size.
5705 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
5707 * cse.c (cse_condition_code_reg): Make it static.
5708 * rtl.h: Remove the prototype for cse_condition_code_reg.
5710 * combine.c (combine_instructions): Make it static.
5711 * rtl.h: Remove the prototype for combine_instructions.
5713 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5716 * tree.c (get_file_function_name_long): Concatenate the first global
5717 object name with a string derived from the input filename of the object
5720 2006-01-16 Ben Elliston <bje@au.ibm.com>
5722 * config/i386/winnt-stubs.c: Update FSF address.
5723 * config/xtensa/ieee754-df.S: Ditto.
5724 * config/xtensa/ieee754-sf.S: Ditto.
5726 2006-01-14 Ian Lance Taylor <ian@airs.com>
5728 * ifcvt.c (noce_init_if_info): New static function, broken out of
5729 noce_process_if_block.
5730 (noce_process_if_block): Call noce_init_if_info.
5731 (check_cond_move_block): New static function.
5732 (cond_move_process_if_block): New static function.
5733 (process_if_block): Call cond_move_process_if_block.
5735 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
5737 * cselib.c (hash_table): Rename to cselib_hash_table.
5738 (cselib_clear_table, discard_useless_values,
5739 remove_useless_values, cselib_lookup_mem, cselib_lookup,
5740 cselib_init, cselib_finish): Adjust uses of hash_table.
5742 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
5744 PR tree-optimization/25485
5745 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
5746 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
5747 is known to be false and true, respectively.
5749 2006-01-14 Richard Guenther <rguenther@suse.de>
5751 PR tree-optimization/22548
5752 PR tree-optimization/22555
5753 PR tree-optimization/22501
5754 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
5755 * params.def (salias-max-array-elements): New parameter.
5756 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
5757 * doc/invoke.texi (salias-max-array-elements): Document.
5758 * tree-flow-inline.h (var_can_have_subvars): We also handle
5760 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
5762 * tree-ssa-structalias.c (params.h): Include.
5763 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
5764 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
5765 (get_constraint_for): For ADDR_EXPR operating on something
5766 containing an ARRAY_REF, add all subvars to the solution.
5767 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
5768 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
5769 for creating MUST_DEFs.
5770 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
5772 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
5774 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
5776 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
5777 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
5778 number_of_iterations_le): New functions.
5779 (number_of_iterations_special): Removed.
5780 (number_of_iterations_exit): Do not use number_of_iterations_special.
5781 * tree.c (unsigned_type_for): Always return integer type.
5783 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
5784 Richard Guenther <rguenther@suse.de>
5786 PR rtl-optimization/24257
5787 * gcse.c (find_moveable_store): Only consider a store movable
5788 when the SET_SRC of the insn can be assigned to a register.
5790 2006-01-14 Ian Lance Taylor <ian@airs.com>
5792 * tree.c (tree_not_class_check_failed): New function.
5793 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
5794 (tree_not_class_check_failed): Declare.
5796 2006-01-13 Ian Lance Taylor <ian@airs.com>
5798 * reload1.c (do_output_reload): Add assertion rejecting a
5801 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
5803 * combine.c (struct reg_stat): Add new fields truncation_label and
5805 (record_value_for_reg): Reset truncated_to_mode.
5806 (record_truncated_value): New function.
5807 (check_promoted_subreg): Call it. Rename to check_conversions.
5808 (combine_instructions): Rename check_promoted_subreg to
5810 (reg_truncated_to_mode): New function.
5811 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
5812 (gen_lowpart_or_truncate): New function.
5813 (force_to_mode): Use it instead of gen_lowpart.
5815 2006-01-13 Diego Novillo <dnovillo@redhat.com>
5817 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
5818 VAR is a tag, not its type tag.
5820 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
5822 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
5823 alternatives to match style of other entries.
5824 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
5826 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
5828 PR tree-optimization/25771
5829 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
5832 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
5835 * tree-inline.c (declare_return_variable): If the return variable
5836 was marked as a non gimple complex, set the return slot variable
5837 to be a non gimple comple variable.
5839 2006-01-13 Richard Guenther <rguenther@suse.de>
5841 * builtins.c (expand_builtin_sincos): New function.
5842 (expand_builtin_mathfn_3): Remove dead code, sin and cos
5844 (expand_builtin): Expand sincos using expand_builtin_sincos.
5846 2006-01-12 DJ Delorie <dj@redhat.com>
5848 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
5849 shift counts, separate SI shifts for m32c vs m16c, pass shift type
5850 so that constant shifts can be split.
5851 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
5852 (m32c_valid_pointer_mode): Make static.
5853 (shift_gen_func_for): New.
5854 (m32c_prepare_shift): Use it. Split large const shifts into
5856 * config/m32c/predicates.md (shiftcount_operand): Allow more
5858 (longshiftcount_operand): New.
5859 * doc/md.texi (Machine Constraints): Document In6.
5861 2006-01-13 Ben Elliston <bje@au.ibm.com>
5863 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
5864 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
5867 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
5869 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
5870 to try to avoid clobbering pieces of structures when we know
5871 something about the whole structure.
5872 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
5874 2006-01-13 Ben Elliston <bje@au.ibm.com>
5876 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
5877 return in memory, as this is no limitation is no longer present.
5879 2006-01-12 DJ Delorie <dj@redhat.com>
5881 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
5882 mova with fb, and for fb+0 -> An.
5884 * config/m32c/mov.md (peephole2): Fix enabling logic.
5886 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
5887 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
5888 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
5889 FINI_ARRAY_SECTION_ASM_OP): Define.
5891 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
5893 (m32c_legitimize_reload_address): New logic to reload FB to An.
5894 (m32c_output_reg_push): Add newline.
5895 (m32c_output_reg_pop): Likewise.
5897 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
5899 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
5901 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
5903 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
5905 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
5907 * config/sh/predicates.md (sh_rep_vec): Add parallel to
5910 2006-01-11 Ben Elliston <bje@au.ibm.com>
5912 * rtlanal.c (find_reg_note): Assert insn is not null.
5914 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
5916 * df-scan.c (df_hard_reg_init): Move declaration of i outside
5919 2006-01-11 Jeff Law <law@redhat.com>
5921 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
5923 (mark_threaded_blocks, register_jump_thread): New functions.
5924 (thread_through_all_blocks): Remove unwanted argument. No
5925 longer rely on e->aux to communicate thread target info.
5926 Call mark_threaded_blocks. Release the threaded_blocks
5927 bitmap and threaded_edges vector when complete.
5928 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
5929 (threaded_blocks): Remove.
5930 (tree_ssa_dominator_optimize): Remove initialization and
5931 finalization of threaded_blocks. Simplify call to
5932 thread_through_all_blocks.
5933 (thread_across_edge): Call register_jump_thread rather than
5934 storing thread information into e->aux.
5935 (free_all_edge_infos): Simplify now that e->aux is no longer
5936 used to communicate with thread_through_all_blocks.
5937 * tree-flow.h (thread_through_all_blocks): Update prototype.
5938 (register_jump_thread): Prototype.
5940 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
5942 * df-core.c (df_compact_blocks, df_bb_replace): Use
5943 SET_BASIC_BLOCK instead of BASIC_BLOCK.
5945 2006-01-11 Richard Guenther <rguenther@suse.de>
5947 PR tree-optimization/25734
5948 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
5949 stop propagation after successful propagation to the LHS.
5951 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
5953 * basic-block.h (control_flow_graph): Change the type of
5954 x_basic_block_info to VEC(basic_block,gc) *.
5955 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
5957 (SET_BASIC_BLOCK): New.
5958 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
5959 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
5960 * cfgbuild.c (find_basic_blocks): Likewise.
5961 * cfglayout.c (fixup_reorder_chain): Likewise.
5962 * cfgrtl.c (create_basic_block_structure,
5963 rtl_create_basic_block): Likewise.
5964 * ifcvt.c (find_if_case_1): Likewise.
5965 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
5968 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
5970 * Makefile.in: Removed rotted odf.c entry.
5972 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
5975 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
5976 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
5977 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
5978 output pattern modifier, not %e.
5979 * config/cris/cris.c (cris_op_str): Update comment about pattern
5981 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
5982 before falling through into...
5983 <case 'E'>: Redefined from old 'e' case.
5985 2006-01-11 Jan Hubicka <jh@suse.cz>
5988 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
5990 2006-01-11 Jan Hubicka <jh@suse.cz>
5992 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
5993 * i386.c (x86_decompose_lea): Kill.
5994 (ix86_rtx_costs): Kill.
5996 2006-01-11 Jan Hubicka <jh@suse.cz>
5998 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
5999 * cgraph.h (cgraph_node): Add inline_decl.
6000 (cgraph_insert_node_to_hashtable): Declare.
6001 (save_inline_function_body): Declare.
6002 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
6004 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
6005 (cgraph_function_versioning): Update call of tree_function_versioning.
6006 (save_inline_function_body): New function.
6007 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
6008 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
6009 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
6010 (cgraph_default_inline_p): Likewise.
6011 (cgraph_decide_inlining_incrementally): Likewise.
6012 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
6013 (copy_bb): Kill saving; do updating of clones.
6014 (copy_cfg_body): Kill saving.
6015 (initialize_inlined-parameters): Likewise.
6016 (expand_call_inline): Likewise.
6018 (tree_function_versioning): New parameter "update_clones".
6019 (inlining_p): Kill saving.
6020 * tree-inline.h (tree_function_versioning): Update prototype.
6021 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
6024 2006-01-11 Ian Lance Taylor <ian@airs.com>
6026 * combine.c (struct undo): Remove is_int. Enumify types of undos.
6027 Allow undoing set of machine mode.
6028 (do_SUBST): Use enums instead of is_int.
6029 (do_SUBST_MODE): New function.
6030 (SUBST_MODE): New macro.
6031 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
6032 reg and trying to replace reg_regno_rtx with a new register.
6033 (undo_all): Use new enums, handle undoing a PUT_MODE change.
6034 (simplify_set): Use SUBST_MODE.
6035 (distribute_notes): Remove code that tried to update reg notes
6036 for regno_reg_rtx changes.
6038 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
6040 PR tree-optimization/23109
6041 PR tree-optimization/23948
6042 PR tree-optimization/24123
6044 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
6045 * tree-cfg.c (single_noncomplex_succ): New.
6046 * tree-flow.h (single_noncomplex_succ): Declare it.
6047 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
6048 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
6049 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
6050 insert_bb, register_division_in, insert_reciprocals,
6051 replace_reciprocal, free_bb): New.
6052 (execute_cse_reciprocals_1): Rewritten.
6053 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
6054 Do not commit any edge insertion. Always compute dominators and
6055 create the allocation pool.
6056 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
6057 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
6058 * targhooks.c (default_min_divistions_for_recip_mul): New.
6059 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
6060 * passes.c (init_optimization_passes): Run recip after tree loop
6062 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
6064 2006-01-11 Danny Berlin <dberlin@dberlin.org>
6065 Kenneth Zadeck <zadeck@naturalbridge.com>
6067 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
6068 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
6069 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
6070 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
6071 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
6072 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
6073 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
6074 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
6075 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
6076 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
6077 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
6078 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
6079 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
6080 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
6081 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
6082 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
6083 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
6084 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
6085 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
6086 DF_SCAN_POST_ALLOC): New macros.
6087 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
6088 df_free_bb_function, df_local_compute_function, df_init_function,
6089 df_dataflow_function, df_confluence_function_0,
6090 df_confluence_function_n, df_transfer_function,
6091 df_finalizer_function, df_free_function, df_dump_problem_function,
6092 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
6093 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
6094 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
6095 df_urec_bb_info, ) New types.
6096 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
6098 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
6099 df_analyze_simple_change_some_blocks,
6100 df_analyze_simple_change_one_block, df_compact_blocks,
6101 df_bb_replace, df_bb_regno_last_use_find,
6102 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
6103 df_insn_regno_def_p, df_find_def, df_find_use,
6104 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
6105 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
6106 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
6107 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
6108 debug_df_chain, df_get_dependent_problem, df_chain_create,
6109 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
6110 df_grow_bb_info, df_chain_dump, df_print_bb_index,
6111 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
6112 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
6113 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
6114 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
6115 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
6116 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
6117 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
6118 df_ref_remove, df_insn_refs_delete, df_refs_delete,
6119 df_reorganize_refs, df_set_state, df_hard_reg_init,
6120 df_read_modify_subreg_p) New public functions.
6121 * df-core.c: The core dataflow solver and glue routines for rtl
6123 (df_init, df_add_problem, df_set_blocks, df_finish,
6124 df_hybrid_search_forward, df_hybrid_search_backward,
6125 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
6126 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
6127 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
6128 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
6129 df_reg_defined, df_find_use, df_reg_used, df_dump,
6130 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
6131 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
6132 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
6133 debug_df_useno, reset_df_after_reload): New functions.
6134 * df-scan.c: The scanning fuctions, once in df.c, completely
6135 rewritten so that they now fully model the functionality of
6136 register usage at the backend.
6137 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
6138 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
6139 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
6140 df_grow_insn_info, df_rescan_blocks, df_ref_create,
6141 df_get_artificial_defs, df_get_artificial_uses,
6142 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
6143 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
6144 df_refs_delete, df_reorganize_refs, df_set_state,
6145 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
6146 df_def_record_1, df_defs_record, df_uses_record,
6147 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
6148 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
6149 df_record_exit_block_uses, df_hard_reg_init): New functions.
6151 * df-problems.c: Seven concrete dataflow problems that use the
6152 scanning in df-scan.c and are solved by the engine in df-core.c.
6153 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
6154 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
6155 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
6156 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
6157 df_ru_free_bb_info, df_ru_alloc,
6158 df_ru_bb_local_compute_process_def,
6159 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
6160 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
6161 df_ru_transfer_function, df_ru_free, df_ru_dump,
6162 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
6163 df_rd_free_bb_info, df_rd_alloc,
6164 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
6165 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
6166 df_rd_transfer_function, df_rd_free, df_rd_dump,
6167 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
6168 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
6169 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
6170 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
6171 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
6172 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
6173 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
6174 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
6175 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
6176 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
6177 df_urec_mark_reg_change, df_urec_check_earlyclobber,
6178 df_urec_mark_reg_use_for_earlyclobber,
6179 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
6180 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
6181 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
6182 df_urec_dump, df_urec_add_problem, df_chain_alloc,
6183 df_chain_create_bb_process_use, df_chain_create_bb,
6184 df_chain_finalize, df_chain_free, df_chains_dump,
6185 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
6186 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
6187 df_reg_lifetime): New functions.
6188 * df.c: Deleted file.
6189 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
6190 consistent with new df api.
6191 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
6192 rest_of_handle_sms): Ditto.
6193 * web.c (unionfind_union, union_defs, entry_register, web_main):
6195 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
6196 invariant_expr_equal_p, find_defs, check_dependencies,
6197 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
6198 free_inv_motion_data, move_loop_invariants): Ditto.
6199 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
6200 Update dependencies.
6201 (odf.c): Added defective entry that was deleted later in day.
6202 * sched-deps.c (sched_analyze_1): Ditto.
6204 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
6206 * tree-ssa-operands.c (get_expr_operands): Record addressable
6207 variables directly. Do not call add_stmt_operands for CONST_DECLs
6209 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
6210 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
6212 2006-01-11 Ben Elliston <bje@au.ibm.com>
6214 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
6215 function returns true in the positive case.
6217 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6220 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
6221 for SI, DI, SF and DF modes. Add alternatives to copy between
6222 general and floating point registers to the 32-bit patterns.
6223 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
6224 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
6225 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
6226 generating 64-bit code.
6227 * config/pa/pa.c (output_move_double): Handle copies between general
6228 and floating registers.
6230 2006-01-10 Stuart Hastings <stuart@apple.com>
6232 * config/i386/i386.md (set_got): Update.
6233 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
6234 (builtin_setjmp_receiver): Mach-O support.
6235 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
6236 (GOT_SYMBOL_NAME): Define.
6237 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
6238 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
6239 * config/i386/i386.c (override_options): Revise for Darwin.
6240 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
6241 support. (darwin_x86_file_end): New. (output_set_got): Add label
6242 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
6243 * config/i386/i386-protos.h (output_set_got): Likewise.
6244 * config/darwin.c (machopic_legitimize_pic_address): Update
6247 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
6249 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
6250 when MODE isn't BLKmode.
6252 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
6254 PR rtl-optimization/25367
6255 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
6257 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
6260 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
6261 for a negative bound.
6263 2006-01-10 Richard Guenther <rguenther@suse.de>
6265 * tree-ssa-structalias.c (get_constraint_for_component_ref):
6266 Never override with anything constraint.
6268 2006-01-10 Jan Beulich <jbeulich@novell.com>
6270 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
6271 256 bits when optimize_size.
6273 2006-01-10 Jan Beulich <jbeulich@novell.com>
6275 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
6277 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
6278 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
6281 2006-01-10 Ben Elliston <bje@au.ibm.com>
6283 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
6285 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
6286 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
6287 (USE_FP_FOR_ARG): Reject decimal float modes.
6288 (function_arg_advance): Likewise.
6289 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
6290 (rs6000_handle_altivec_attribute): Do not permit decimal floating
6291 point types in AltiVec vectors.
6292 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
6293 (rs6000_libcall_value): Likewise.
6295 2006-01-09 Bob Wilson <bob.wilson@acm.org>
6297 * config/xtensa/ieee754-df.S: New file.
6298 * config/xtensa/ieee754-sf.S: New file.
6299 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
6300 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
6301 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
6303 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
6305 * config/sh/predicates.md (binary_float_operator,
6306 binary_logical_operator, commutative_float_operator,
6307 equality_comparison_operator, greater_comparison_operator,
6308 less_comparison_operator, logical_operator,
6309 noncommutative_float_operator, shift_operator,
6310 symbol_ref_operand, unary_float_operator): Remove redundant
6313 2006-01-09 Jeff Law <law@redhat.com>
6315 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
6316 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
6317 now unused arguments. Callers updated.
6318 (eliminate_redundant_computations): Remove now unused arguments,
6320 (local_fold): Remove, no longer used.
6321 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
6323 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
6324 (simplify_cond): New function.
6325 (forward_propagate_into_cond): Call simplify_cond.
6327 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
6329 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
6330 (*vec_extractv2di_1_sse): New.
6332 2006-01-09 Ben Elliston <bje@au.ibm.com>
6334 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
6336 2006-01-08 Richard Guenther <rguenther@suse.de>
6338 * tree-ssa-structalias.c (get_constraint_for): Remove
6340 (get_constraint_for_component_ref): Likewise.
6341 (do_deref): Likewise.
6342 (get_constraint_for): Likewise.
6343 (do_structure_copy): Likewise.
6344 (handle_ptr_arith): Likewise.
6345 (find_func_aliases): Likewise. Remove unused need_anyoffset
6348 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
6349 Kaz Kojima <kkojima@gcc.gnu.org>
6351 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
6352 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
6353 (EXTRA_CONSTRAINT_C16): Remove.
6354 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
6355 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
6356 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
6357 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
6358 constants of SHmedia. Handle nested constant expressions of
6360 (andcosts): Fix the costs for SHmedia constants.
6361 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
6362 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
6363 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
6364 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
6365 (movv4hi_i, movv2si_i): Likewise.
6366 (movsi_const): Adjust the second operand of ior so to match with
6368 (movdi_const, movdi_const_32bit): Likewise.
6369 (movdi_const_16bit+1): Don't sign-extend LOW.
6370 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
6372 (*double_shori): Fix the split condition. Use GEN_INT instead
6373 of get_int_mode calls. Mask lower 16-bit of the argument of
6375 (sym2GOTPLT): Remove.
6376 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
6378 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
6379 instead of EXTRA_CONSTRAINT_C16.
6381 2006-01-07 Ian Lance Taylor <ian@airs.com>
6382 David Edelsohn <edelsohn@gnu.org>
6384 PR rtl-optimization/25662
6385 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
6386 for constant operands instead of simplify_gen_binary.
6387 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
6388 after trying simplify_binary_operation
6390 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
6392 * tree.c (iterative_hash_expr): Hash decls based on UID.
6394 2006-01-06 Eric Christopher <echristo@apple.com>
6396 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
6397 (TARGET_UNWIND_EMIT): Fix spelling.
6398 * target.h (gcc_target): Add except_table_label.
6399 * except.c (output_function_exception_table): Use.
6400 * varasm.c (default_emit_except_table_label): New.
6401 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
6403 (asm_out): Add here.
6404 * output.h (default_emit_except_table_label): Prototype.
6405 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
6406 * config/darwin.c (darwin_emit_except_table_label): Define.
6407 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
6409 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
6411 PR tree-optimization/18527
6412 * tree-ssa-loop-niter.c (number_of_iterations_cond,
6413 number_of_iterations_special, number_of_iterations_exit):
6414 Move base and step of an iv to a single structure. Add
6415 no_overflow flag, and use it in # of iterations analysis.
6416 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
6417 folded_casts argument.
6418 (simple_iv): Pass base and step in a structure. Set no_overflow
6420 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
6421 Evaluate expensiveness of computing # of iterations instead of
6422 the final expression.
6423 * tree-scalar-evolution.h (affine_iv): New structure.
6424 (simple_iv): Declaration changed.
6425 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
6426 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
6427 find_givs_in_stmt): Changed due to simple_iv change.
6429 2006-01-06 Jeff Law <law@redhat.com>
6432 * tree-cfg.c (bsi_replace): Rename final argument from
6433 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
6434 change (stmt -> orig_stmt).
6435 * tree-eh.c (verify_eh_throw_stmt_node): New function.
6436 (bsi_remove): Add new argument. Remove EH information
6438 (verify_eh_throw_table_statements): New function.
6439 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
6441 * tree-optimize.c (execute_free_cfg_annotations): Verify
6442 the EH throw statement table after removing annotations.
6443 * except.h (verify_eh_throw_table_statements): Prototype.
6444 * tree-flow.h (bsi_remove): Update prototype.
6445 * tree-vrp.c (remove_range_assertions): Add new argument to
6447 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
6448 * tree-complex.c (expand_complex_div_wide): Likewise.
6449 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
6450 * tree-tailcall.c (eliminate_tailcall): Likewise.
6451 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
6452 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
6453 * tree-nrv.c (tree_nrv): Likewise.
6454 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
6455 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
6456 (combine_blocks): Likewise.
6457 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
6458 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
6459 (cleanup_control_flow): Likewise.
6460 (remove_forwarder_block): Likewise.
6461 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
6462 * tree-sra.c (sra_replace): Likewise.
6463 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
6464 (forward_propagate_single_use_vars): Likewise.
6465 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
6466 * tree-inline.c (expand_call_inline): Likewise.
6467 * tree-vect-transform.c (vect_transform_loop): Likewise.
6468 * tree-outof-ssa.c (rewrite_trees): Likewise.
6469 * tree-cfg.c (make_goto_expr_edges): Likewise.
6470 (cleanup_dead_labels): Likewise.
6471 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
6472 (bsi_move_before, bsi_move_after): Likewise.
6473 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
6474 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
6476 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
6479 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
6481 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
6482 on non gimple variables. Also add checks at the top for decls and
6484 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
6486 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
6487 and IMAGPART_EXPR for creating MUST_DEFs.
6488 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
6489 and NAME_MEMORY_TAG separately from the DECLs.
6491 2006-01-06 Richard Guenther <rguenther@suse.de>
6493 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
6494 annotation, if necessary.
6495 * tree-ssa-pre.c (create_expression_by_pieces): Remove
6496 redundant calls to update_stmt.
6497 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
6500 2006-01-05 Richard Henderson <rth@redhat.com>
6502 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
6504 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
6506 * c-typeck.c: Update copyright date.
6508 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
6510 * c-typeck.c (build_c_cast): Always warn when casting
6511 from a pointer to an integer of different size, even if
6512 the node was constant.
6514 2006-01-05 Richard Guenther <rguenther@suse.de>
6516 PR tree-optimization/22555
6517 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
6518 if one structure field is an array.
6519 * tree-ssa-operands.c (get_expr_operands): Continue scanning
6520 operands even if we found a subvar, but ignore VOPs in this
6522 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
6524 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
6526 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
6529 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
6531 2006-01-05 Richard Guenther <rguenther@suse.de>
6532 Diego Novillo <dnovillo@redhat.com>
6534 * tree-pass.h (TODO_remove_unused_locals): Define.
6535 * gimple-low.c (expand_var_p, remove_useless_vars,
6536 pass_remove_useless_vars): Remove. Update all users.
6537 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
6538 (remove_unused_locals): New function.
6539 * tree-flow.h (remove_unused_locals): Declare.
6540 * passes.c (execute_todo): Call remove_unused_locals if
6541 TODO_remove_unused_locals is set.
6542 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
6543 * tree-ssa-dce.c (pass_dce): Likewise.
6544 * tree-outof-ssa.c (pass_del_ssa): Likewise.
6546 2006-01-05 Richard Guenther <rguenther@suse.de>
6548 * tree-flow.h (struct fieldoff): Decompose field to
6549 type, size and decl.
6550 * tree-ssa-alias.c (create_sft): Take type as parameter.
6551 (create_overlap_variables_for): Store type, size and decl
6552 in the fieldoff structure.
6553 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
6555 (push_fields_onto_fieldstack): Likewise.
6556 (create_variable_info_for): Likewise. Use offset for the
6557 SFT name if the decl is not available.
6559 2006-01-04 Paul Brook <paul@codesourcery.com>
6561 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
6563 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
6565 * lambda-code.c (can_put_in_inner_loop): Relax
6567 (can_put_after_inner_loop): New function.
6568 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
6569 (perfect_nestify): Change to make copies and modify uses.
6571 2006-01-04 Richard Henderson <rth@redhat.com>
6573 Merge from gomp branch:
6574 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
6575 via integer constant.
6576 (pragma_lex): Remove.
6577 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
6578 rather than parsing it.
6579 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
6580 handle_pragma_extern_prefix): Add %< %> quotes.
6581 (registered_pragmas): New.
6582 (c_register_pragma_1): New.
6583 (c_register_pragma): Use it.
6584 (c_register_pragma_with_expansion): Likewise.
6585 (c_invoke_pragma_handler): New.
6586 (init_pragma): Use cpp_register_deferred_pragma directly for
6588 * c-pragma.h (enum pragma_kind): New.
6589 (pragma_handler): New.
6590 (c_invoke_pragma_handler): Declare.
6591 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
6593 * c-common.h (c_common_pch_pragma): Update decl.
6594 * Makefile.in (c-parser.o): Update dependencies.
6595 (GTFILES): Add c-pragma.h.
6596 * c-parser.c (struct c_token): Add pragma_kind.
6597 (struct c_parser): Add in_pragma.
6598 (c_lex_one_token): Always initialize keyword and pragma_kind.
6599 Extract data for CPP_PRAGMA.
6600 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
6601 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
6602 Don't allow CPP_PRAGMA_EOL if in_pragma.
6603 (c_parser_consume_pragma): New.
6604 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
6605 (c_parser_skip_to_end_of_parameter): Likewise.
6606 (c_parser_skip_to_end_of_block_or_statement): Likewise.
6607 (c_parser_skip_to_pragma_eol): New.
6608 (c_parser_external_declaration): Handle CPP_PRAGMA.
6609 (c_parser_compound_statement_nostart): Likewise.
6610 (c_parser_statement_after_labels): Likewise.
6611 (c_parser_pragma): New.
6612 (pragma_lex): Likewise.
6613 (c_parser_pragma_pch_preprocess): New.
6614 (c_parser_new): Merge into ...
6615 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
6617 2006-01-04 Jeff Law <law@redhat.com>
6620 * tree-cfg.c (bsi_replace): Remove the original statement
6621 from the EH throw statement table.
6623 2006-01-04 Jakub Jelinek <jakub@redhat.com>
6625 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
6626 make the prototype extern "C" and add throw ().
6629 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
6630 and pos non-negative and pos + len <= 32.
6631 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
6632 drop pos + len < HOST_BITS_PER_WIDE_INT test.
6633 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
6636 * c-common.c (handle_vector_size_attribute): Reject zero vector size
6637 as well as sizes not multiple of component size.
6640 * function.c (instantiate_expr): New function.
6641 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
6642 walk its DECL_VALUE_EXPR with instantiate_expr.
6644 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
6645 DW_OP_deref{,_size} if address isn't going to be added.
6647 2006-01-04 Ben Elliston <bje@au.ibm.com>
6649 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
6650 * config/fp-bit.c: Likewise.
6652 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
6654 * dominance.c: Add comment about why we use DFS numbering
6657 2006-01-03 Jakub Jelinek <jakub@redhat.com>
6658 Richard Henderson <rth@redhat.com>
6660 Merge from gomp-branch:
6661 * varasm.c (assemble_variable): Handle thread-local COMMON data.
6662 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
6664 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
6666 PR rtl-optimization/25578
6667 * combine.c (combine_simplify_rtx, force_to_mode): Don't
6668 pass a parameter to simplify_shift_const if changing ASHIFTRT
6671 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
6673 * builtins.c (get_builtin_sync_mem): New function.
6674 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
6675 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
6676 Call get_builtin_sync_mem to generate mem rtx.
6678 2006-01-03 Richard Guenther <rguenther@suse.de>
6681 * stmt.c (add_case_node): Make sure to clear overflow flags
6684 2006-01-03 Jakub Jelinek <jakub@redhat.com>
6686 Merge from gomp-branch.
6687 * config/sparc/sync.md: New file.
6688 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
6689 UNSPECV_LDSTUB): New constants.
6690 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
6691 * config/sparc/predicates.md (memory_reg_operand): New predicate.
6692 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
6695 2006-01-03 Roger Sayle <roger@eyesopen.com>
6697 * combine.c (reg_subword_p): New predicate to test whether the
6698 destination of a set refers to a subword/piece of a register.
6699 (try_combine): Generalize the code to merge the setting of a
6700 pseudo to a constant followed by a set of a subword of that
6701 register to a constant.
6703 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
6705 * basic-block.h (control_flow_graph): Change the type of
6706 x_label_to_block_map to VEC(basic_block,gc) *.
6707 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
6708 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
6710 * tree-ssa-propagate.c (cfg_blocks): Change the type to
6711 VEC(basic_block,heap) *.
6712 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
6713 ssa_prop_fini): Adjust the uses of cfg_blocks.
6715 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
6717 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
6719 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
6720 hashing trees instead of a pointer hash.
6721 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
6722 compare for MEM_EXPR.
6724 PR rtl-optimization/25130
6725 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
6726 when comparing MEMs for GCSE
6728 2006-01-03 Ben Elliston <bje@au.ibm.com>
6730 * targhooks.h (default_decimal_float_supported_p): Declare.
6731 * targhooks.c (default_decimal_float_supported_p): Define.
6732 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
6733 `default_decimal_float_supported_p'.
6734 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
6736 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
6738 * combine.c (apply_distributive_law <SUBREG>): Check
6739 TRULY_NOOP_TRUNCATION.
6741 2006-01-02 Geoffrey Keating <geoffk@apple.com>
6743 * dwarf2out.c (have_switched_text_section): Delete.
6744 (have_multiple_function_sections): New.
6745 (have_location_lists): Make 'bool'.
6746 (add_AT_loc_list): Use 'true' not '1'.
6747 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
6748 (output_loc_list): Use have_multiple_function_sections.
6749 (output_ranges): Likewise.
6750 (dwarf2out_begin_function): Set have_multiple_function_sections if
6752 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
6753 Check function_section rather than DECL_SECTION_NAME.
6754 (dwarf2out_finish): Use have_multiple_function_sections.
6755 Don't clear have_location_lists.
6757 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
6758 Jan Hubicka <jh@suse.cz>
6760 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
6761 case of conditional jump jumping to the next instruction.
6762 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
6763 cases of conditional jump jumping to the next instruction.
6765 2006-01-02 Jan Hubicka <jh@suse.cz>
6767 * i386.c (*_cost): Add COSTS_N_INSNS.
6768 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
6770 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
6773 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
6775 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6777 * config/arm/arm.c (all_fpus): Fix comment typo.
6778 * config/darwin.c: Likewise.
6779 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
6780 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
6781 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
6783 2006-01-01 David Edelsohn <edelsohn@gnu.org>
6785 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
6786 (rs6000_split_compare_and_swapqhi): New.
6787 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
6788 (sync_compare_and_swapqhi_internal): New.
6789 * config/rs6000/rs6000-protos.h: Declare.