| blob | d545ac42c14d12573e688a73325bb8774cff38ca |
1 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
3 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
4 instead of gen_lowpart.
6 2006-03-09 Richard Sandiford <richard@codesourcery.com>
8 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
9 interface.
10 (mips_output_order_conditional_branch): Declare.
11 * config/mips/mips.h (MIPS_BRANCH): New macro.
12 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
13 for the comparison. Use gen_condjump.
14 (mips_output_conditional_branch): Rework interface to take the
15 asm templates for a direct branch and the inverse of a direct branch.
16 (mips_output_order_conditional_branch): New function.
17 (mips_builtin_branch_and_move): New function.
18 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
19 branch condition. Use gen_single_cc as the condition for
20 __builtin_mips_upper_* or __builtin_mips_lower_*.
21 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
22 Use VOIDmode for the branch condition.
23 * config/mips/predicates.md (order_operator): New predicate.
24 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
25 (branch_fp): Rename to...
26 (*branch_fp): ...this. Remove mode from comparison operator.
27 Use new mips_output_conditional_branch interface.
28 (branch_fp_inverted): Rename to...
29 (*branch_fp_inverted): ...this and update as for *branch_fp.
30 (*branch_zero<mode>): Rename to...
31 (*branch_order<mode>): ...this. Remove mode from comparison operator.
32 Use mips_output_order_conditional_branch. Only accept ordered
33 comparisons.
34 (*branch_zero<mode>_inverted): Rename to...
35 (*branch_order<mode>_inverted): ...this and update as for
36 *branch_order<mode>.
37 (*branch_equality<mode>): Accept zero as the second operand to
38 the equality operator. Use the new mips_output_conditional_branch
39 interface.
40 (*branch_equality<mode>_inverted): Likewise.
41 (condjump): New expander.
42 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
43 operator.
44 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
45 (bc1any2t, bc1any2f): Likewise.
46 (single_cc): New expander.
47 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
49 2006-03-09 Richard Sandiford <richard@codesourcery.com>
51 * doc/md.texi: Update documentation of MIPS constraints.
52 * config/mips/constraints.md: New file.
53 * config/mips/mips.md: Include it.
54 * config/mips/mips.c (mips_char_to_class): Delete.
55 (override_options): Don't initialize mips_char_to_class.
56 * config/mips/mips.h (mips_char_to_class): Delete.
57 (REG_CLASS_FROM_LETTER): Delete.
58 (CONST_OK_FOR_LETTER_P): Delete.
59 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
60 (EXTRA_CONSTRAINT_Y): Delete.
61 (EXTRA_CONSTRAINT_STR): Delete.
62 (CONSTRAINT_LEN): Delete.
63 (EXTRA_MEMORY_CONSTRAINT): Delete.
65 2006-03-09 Diego Novillo <dnovillo@redhat.com>
67 * tree-cfg.c (move_block_to_fn): Remove the statements from the
68 original fn's eh regions.
70 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
72 * fold-const.c (build_range_check): Make sure to use a valid type to
73 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
74 transformation.
76 (range_predecessor): New static function.
77 (range_successor): Likewise.
78 (merge_ranges): Use them to compute predecessors and successors of
79 range bounds.
81 2006-03-09 Roger Sayle <roger@eyesopen.com>
83 PR middle-end/26561
84 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
85 X op C3, consider whether C3 overflows towards +Inf or -Inf.
87 2006-03-08 DJ Delorie <dj@redhat.com>
89 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
90 (addpsi3): Expand to include memory operands. Remove
91 reload-specific splits.
92 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
93 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
94 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
95 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
96 (shift1_qi, shift1_hi, insv): New.
97 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
98 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
99 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
100 cond_to_int): New.
101 * config/m32c/m32c-protos.h: Update as needed.
102 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
103 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
104 Fail for unrecognized R* constraints.
105 (m32c_cannot_change_mode_class): Be more picky about pseudos.
106 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
107 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
108 Add Sp constraint.
109 (m32c_init_libfuncs): New.
110 (m32c_legitimate_address_p): Add debug wrapper.
111 (m32c_rtx_costs): New.
112 (m32c_address_cost): New.
113 (conversions): Add 'B' prefix.
114 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
115 operands, or word regnames for QI operands. 'B' prints bit
116 position.
117 (m32c_expand_setmemhi): New.
118 (m32c_expand_movmemhi): New.
119 (m32c_expand_movstr): New.
120 (m32c_expand_cmpstr): New.
121 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
122 (m32c_expand_neg_mulpsi3): Handle non-ints.
123 (m32c_cmp_flg_0): New.
124 (m32c_expand_movcc): New.
125 (m32c_expand_insv): New.
126 (m32c_scc_pattern): New.
127 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
128 a0/a1 out of SIregs.
129 (STORE_FLAG_VALUE): New.
130 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
131 code macros.
132 (no_insn): New.
133 * config/m32c/mov.md: Make constraints more liberal.
134 (zero_extendqihi2): Optimize r0/r1 case.
135 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
136 * config/m32c/predicates.md (m32c_any_operand): New.
137 (m32c_nonimmediate_operand): New.
138 (m32c_hl_operand): New.
139 (m32c_r3_operand): New.
140 (ap_operand): New.
141 (ma_operand): New.
142 (memsym_operand): New.
143 (memimmed_operand): New.
144 (a_qi_operand): New.
145 (m32c_eqne_operator): New.
146 (m32c_1bit8_operand): New.
147 (m32c_1bit16_operand): New.
148 (m32c_1mask8_operand): New.
149 (m32c_1mask16_operand): New.
150 * config/m32c/blkmov.md: New file.
151 * config/m32c/t-m32c (MD_FILES): Add blkmov.
153 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
155 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
156 unsigned to fix signed/unsigned comparison issue in
157 DWARF2_FRAME_REG_OUT.
158 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
159 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
161 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
162 of ptr into the ENABLE_CHECKING section.
164 2006-03-08 Jeff Law <law@redhat.com>
166 * tree-vrp.c (infer_value_range): Only count pointer uses
167 and dereferences if -fdelete-null-pointer-checks is enabled.
169 * tree-vrp.c (find_assert_locations): Infer value ranges for
170 single use pointers, but do not create ASSERT_EXPRs for them.
171 When a non-null range is inferred for a pointer, backwards
172 propagate that range to other equivalent pointers through the
173 use-def chain.
175 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
177 PR bootstrap/26500
178 * Makefile.in (dvi, html, install-info): Invoke the corresponding
179 language hook targets.
180 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
181 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
182 if language hook targets were missing.
184 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
186 * tree-ssa-opfinalize.h: Removed.
187 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
188 dependency.
189 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
190 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
191 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
192 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
193 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
194 finalize_ssa_v_must_def_ops): New.
196 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
198 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
199 block as parameter.
201 2006-03-07 Geoffrey Keating <geoffk@apple.com>
203 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
205 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
206 addresses with offsets; reorganize.
208 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
209 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
210 (expand_builtin_init_dwarf_reg_sizes): Likewise.
212 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
214 PR target/26588
215 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
217 2006-03-08 Ben Elliston <bje@au.ibm.com>
219 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
221 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
223 PR gomp/26238
224 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
225 expansion.
227 2006-03-07 Richard Guenther <rguenther@suse.de>
229 PR tree-optimization/26587
230 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
232 2006-03-07 Richard Sandiford <richard@codesourcery.com>
234 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
236 2006-03-07 Richard Sandiford <richard@codesourcery.com>
238 * hooks.c (hook_bool_mode_rtx_true): New function.
239 * hooks.h (hook_bool_mode_rtx_true): Declare.
240 * toplev.c (compile_file): Call output_shared_constant_pool.
241 * varasm.c (shared_constant_pool): New variable.
242 (assemble_start_function, assemble_end_function): Remove arguments
243 from call to output_constant_pool.
244 (create_constant_pool): New function, split out from...
245 (init_varasm_status): ...here.
246 (force_const_mem): Choose between the shared and per-function constant
247 pools. Set current_function_uses_const_pool when reusing old entries
248 as well as when creating new ones.
249 (mark_constant): Ignore data argument.
250 (mark_constants): Remove pool argument.
251 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
252 to decide whether the function uses a constant pool.
253 (output_constant_pool_contents): New function, split out from...
254 (output_constant_pool): ...here.
255 (output_shared_constant_pool): New function.
256 (init_varasm_once): Initialize shared_constant_pool.
257 * output.h (output_constant_pool): Delete.
258 (output_shared_constant_pool): Declare.
259 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
260 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
262 2006-03-06 Nick Clifton <nickc@redhat.com>
264 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
265 flag_strength_reduce.
267 2006-03-06 Ben Elliston <bje@au.ibm.com>
269 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
270 x86_64-*-linux* configurations.
272 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
273 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
275 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
277 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
278 Remove.
279 * basic-block.h: Remove the extern for
280 rediscover_loops_after_threading.
282 * cfgloop.c (cancel_loop): Make it static.
283 * cfgloop.h: Remove the prototype for cancel_loop.
285 * flow.c (recompute_reg_usage): Make it static.
286 * rtl.h: Remove the prototype for recompute_reg_usage.
288 * function.c (use_return_register): Make it static.
289 * function.h: Remove the prototype.
291 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
293 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
294 Remove.
295 * recog.h: Remove the prototype for
296 validate_change_maybe_volatile.
298 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
300 * rtlanal.c (replace_reg): Remove.
301 * rtl.h: Remove the prototype for replace_reg.
303 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
305 * regclass.c (reg_scan_update): Remove.
306 (reg_scan_mark_refs): Remove the last argument.
307 * rtl.h: Remove the prototype for reg_scan_update.
309 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
311 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
312 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
313 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
314 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
315 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
316 loop-invariant.c, omp-low.c, opts.c, passes.c,
317 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
318 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
319 tree-ssa-structalias.c, tree-ssa-threadedge.c,
320 tree-ssa-threadupdate.c, tree-vect-patterns.c,
321 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
322 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
324 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
326 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
327 * dwarf2out.h: Remove the prototype for
328 dwarf2out_add_library_unit_info.
330 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
332 * tree.c (add_var_to_bind_expr): Remove.
333 * tree.h: Remove the prototype for add_var_to_bind_expr.
335 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
337 * regclass.c (n_non_fixed_regs): Remove.
338 (init_reg_sets_1, globalize_reg): Remove all uses of
339 n_non_fixed_regs.
340 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
342 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
344 * rtlanal.c (insns_safe_to_move_p): Remove.
345 * rtl.h: Remove the prototype for insns_safe_to_move_p.
347 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
349 * expmed.c (expand_mult_add): Remove.
350 * expr.h: Remove the prototype for expand_mult_add.
352 2006-03-04 Jakub Jelinek <jakub@redhat.com>
354 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
355 and REG_SAVED_VAL_EXP constants.
356 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
357 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
358 Handle regs stored by value.
359 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
360 (execute_cfa_program): Handle DW_CFA_val_offset,
361 DW_CFA_val_offset_sf and DW_CFA_val_expression.
362 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
363 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
364 (uw_install_context_1): Handle target regs stored by value.
366 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
368 * tree-sra.c (tree_sra): Return todoflags;
369 (generate_one_element): Set TODO_update_smt_usage if needed.
370 (pass_sra): Remove TODO_update_smt_usage.
371 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
372 parameter.
373 (tree_ssa_forward_propagate_single_use_vars): Return
374 TODO_update_smt_usage if we need to update SMT usage.
375 (pass_forwprop): Remove TODO_update_smt_usage.
377 2006-03-03 Diego Novillo <dnovillo@redhat.com>
379 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
380 (correct_use_link): Remove reference to get_stmt_operands.
381 (update_stmt_operands): Likewise.
382 (get_modify_expr_operands): New function factored out of
383 parse_ssa_operands and get_expr_operands.
384 Try to create V_MUST_DEFs for LHS by default.
385 (get_expr_operands) <case MODIFY_EXPR>: Call
386 get_modify_expr_operands.
387 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
388 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
389 (parse_ssa_operands) <case MODIFY_EXPR>: Call
390 get_modify_expr_operands.
392 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
394 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
395 * tree-flow.h: Remove the prototype for
396 referenced_var_lookup_if_exists.
398 2006-03-03 Steve Ellcey <sje@cup.hp.com>
400 PR rtl-optimization/26345
401 PR target/19061
402 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
404 2006-03-03 Roger Sayle <roger@eyesopen.com>
406 PR tree-optimization/26524
407 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
408 fold_convert to create a constant of the appropriate type.
410 2006-03-03 Richard Sandiford <richard@codesourcery.com>
412 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
413 SYMBOL_REF_IN_BLOCK_P.
414 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
415 of SYMBOL_FLAG_IN_BLOCK.
416 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
417 instead of SYMBOL_REF_IN_BLOCK_P.
418 * explow.c (use_anchored_address): Likewise.
419 * rtl.c (rtx_size): Likewise.
420 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
421 instead of SYMBOL_FLAG_IN_BLOCK.
422 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
423 SYMBOL_REF_IN_BLOCK_P.
424 (assemble_variable): Likewise.
425 (output_constant_def_contents): Likewise.
426 (output_constant_pool): Likewise.
427 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
428 instead of SYMBOL_FLAG_IN_BLOCK.
429 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
430 SYMBOL_REF_IN_BLOCK_P.
431 (SYMBOL_REF_BLOCK): Likewise.
432 (SYMBOL_REF_OFFSET): Likewise.
433 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
434 SYMBOL_REF_IN_BLOCK_P.
435 (SYMBOL_FLAG_IN_BLOCK): Replace with...
436 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
437 (SYMBOL_REF_IN_BLOCK_P): Replace with...
438 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
440 2006-03-03 Jakub Jelinek <jakub@redhat.com>
442 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
444 2006-03-02 Roger Sayle <roger@eyesopen.com>
446 * simplify-rtx.c (simplify_unary_operation): When simplifying
447 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
448 that we perform the right shift in the appropriate mode, and
449 then extend or truncate the result to requested mode.
451 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
453 * gengtype.c (main): Handle double_int type.
454 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
455 * double-int.c: New file.
456 * double-int.h: New file.
457 * system.h: Include doubleint.h.
458 * Makefile.in (SYSTEM_H): Include double-int.h.
459 (double-int.o): Add.
461 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
463 PR bootstrap/26478
464 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
465 copying over it.
467 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
469 * tree-vrp.c (remove_range_assertions): Do not update statements
470 unnecessarily.
472 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
474 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
475 cleanup.
476 * gcse.c (rest_of_handle_gcse): Ditto.
477 * except.c (gate_handle_eh): Ditto.
478 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
479 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
481 2006-03-02 Eric Christopher <echristo@apple.com>
483 * config/i386/i386.c (machopic_output_stub): Add indirection to
484 jump.
486 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
488 * loop.c: Removed.
490 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
492 Sun Niagara specific optimizations.
493 * config.gcc: Recognize niagara as target.
494 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
495 (TARGET_CPU_niagara): Define.
496 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
497 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
498 (CPP_CPU_SPEC): Handle -mcpu=niagara.
499 (ASM_CPU_SPEC): Likewise.
500 (PROCESSOR_NIAGARA): New enum entry.
501 (REGISTER_MOVE_COST): Handle Niagara.
502 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
503 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
504 (sparc_override_options): Recognize "niagara", set appropriate
505 default MASK_* values for it, and align functions to 32-bytes
506 by default just like ULTRASPARC/ULTRASPARC3.
507 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
508 (sparc64_initialize_trampoline): Likewise.
509 (sparc_use_sched_lookahead): Use zero for niagara.
510 (sparc_issue_rate): Use one for niagara.
511 * config/sparc/niagara.md: New file.
512 * config/sparc/sparc.md: Include it.
513 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
514 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
515 when default cpu is niagara.
516 (CPP_CPU_SPEC): Handle -mcpu=niagara.
517 (ASM_CPU_SPEC): Likewise.
518 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
519 when default cpu is niagara.
520 (ASM_CPU_SPEC): Handle -mcpu=niagara.
521 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
522 just like v9/ultrasparc/ultrasparc3.
523 * doc/invoke.texi: Add documentation for "niagara" and improve
524 existing documentation for ultrasparc variants.
526 2006-03-02 Diego Novillo <dnovillo@redhat.com>
528 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
530 2006-03-02 Richard Sandiford <richard@codesourcery.com>
532 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
533 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
534 and say that only one is needed.
535 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
536 * target.h (have_switchable_bss_sections): New hook.
537 * explow.c (use_anchored_address): Check that the symbol is in a block.
538 * varasm.c (tls_comm_section, comm_section, lcomm_section)
539 (bss_noswitch_section): New variables.
540 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
541 (get_noswitch_section): New function.
542 (get_block_for_section): Allow SECT to be null.
543 (unlikely_text_section_p): Use SECTION_STYLE.
544 (bss_initializer_p): New function.
545 (get_variable_section): Move earlier in file. Take a new argument,
546 prefer_noswitch_p. Move bss checks from assemble_variable to here.
547 Return one of the new *_sections in such cases.
548 (get_block_for_decl): New function, extracting some logic from
549 use_blocks_for_decl_p.
550 (change_symbol_section): Remove in favor of...
551 (change_symbol_block): ...this new function.
552 (use_blocks_for_decl_p): Remove checks now performed by
553 get_block_for_decl.
554 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
555 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
556 (emit_local, emit_bss, emit_common): ...these new functions.
557 Return true if the alignment was honored.
558 (emit_tls_common): New function.
559 (asm_emit_uninitialised): Delete.
560 (assemble_variable_noswitch): New function, split out from...
561 (assemble_variable): ...here. Don't make decisions about common
562 variables here. Globalize all public decls that go into non-common
563 sections. Check whether SYMBOL_REF_BLOCK is null.
564 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
565 (output_constant_pool): Likewise.
566 (init_varasm_once): Initialize the new section variables.
567 (have_global_bss_p): New function.
568 (categorize_decl_for_section): Use bss_initializer_p.
569 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
570 (place_block_symbol): Assert that the symbol must be in a block.
571 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
572 (TARGET_INITIALIZER): Include it.
573 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
574 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
575 (SECTION_MACH_DEP): Bump by two.
576 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
577 (unnamed_section): Mention SECTION_UNNAMED in comment.
578 (named_section): Likewise SECTION_NAMED.
579 (noswitch_section_callback): New type.
580 (noswitch_section): New structure.
581 (section): Add a noswitch_section alternative.
582 (SECTION_STYLE): New macro.
583 (tls_comm_section, comm_section, lcomm_section): Declare.
584 (bss_noswitch_section, have_global_bss_p): Declare.
585 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
586 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
587 Override.
588 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
589 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
590 Override.
592 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
594 * gcc/tree-vrp.c (execute_vrp): Return value.
595 * gcc/regrename.c (rest_of_handle_regrename): Ditto.
596 * gcc/tree-into-ssa.c (rewrite_into_ssa): Ditto.
597 * gcc/tree-complex.c (tree_lower_complex): Ditto.
598 (tree_lower_complex_O0): Ditto.
599 * gcc/tracer.c (rest_of_handle_tracer): Ditto.
600 * gcc/postreload-gcse.c (rest_of_handle_gcse2): Ditto.
601 * gcc/postreload.c (rest_of_handle_postreload): Ditto.
602 * gcc/tree-tailcall.c (execute_tail_recursion): Ditto.
603 (execute_tail_calls): Ditto.
604 * gcc/tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
605 * gcc/tree.h (init_function_for_compilation): Ditto.
606 * gcc/ipa-cp.c (ipcp_driver): Ditto.
607 * gcc/tree-scalar-evolution.c (scev_const_prop): Ditto.
608 * gcc/tree-scalar-evolution.h (scev_const_prop): Ditto.
609 * gcc/final.c (compute_alignments): Ditto.
610 (rest_of_handle_final): Ditto.
611 (rest_of_handle_shorten_branches): Ditto.
612 (rest_of_clean_state): Ditto.
613 * gcc/omp-low.c (execute_expand_omp): Ditto.
614 (execute_lower_omp): Ditto.
615 * gcc/tree-ssa-dse.c (tree_ssa_dse): Ditto.
616 * gcc/ipa-reference.c (static_execute): Ditto.
617 * gcc/tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
618 * gcc/reorg.c (rest_of_handle_delay_slots): Ditto.
619 (rest_of_handle_machine_reorg): Ditto.
620 * gcc/cgraphunit.c (rebuild_cgraph_edges): Ditto.
621 * gcc/flow.c (recompute_reg_usage): Ditto.
622 (rest_of_handle_remove_death_notes): Ditto.
623 (rest_of_handle_life): Ditto.
624 (rest_of_handle_flow2): Ditto.
625 * gcc/tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
626 * gcc/tree-ssa-ccp.c (do_ssa_ccp): Ditto.
627 (do_ssa_store_ccp): Ditto.
628 (execute_fold_all_builtins): Ditto.
629 * gcc/mode-switching.c (rest_of_handle_mode_switching): Ditto.
630 * gcc/modulo-sched.c (rest_of_handle_sms): Ditto.
631 * gcc/ipa-pure-const.c (static_execute): Ditto.
632 * gcc/cse.c (rest_of_handle_cse): Ditto.
633 (rest_of_handle_cse2): Ditto.
634 * gcc/web.c (rest_of_handle_web): Ditto.
635 * gcc/tree-stdarg.c (execute_optimize_stdarg): Ditto.
636 * gcc/tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
637 * gcc/tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
638 * gcc/tree-nrv.c (tree_nrv): Ditto.
639 (execute_return_slot_opt): Ditto.
640 * gcc/tree-ssa-alias.c (compute_may_aliases): Ditto.
641 (create_structure_vars): Ditto.
642 * gcc/loop-init.c (rtl_loop_init): Ditto.
643 (rtl_loop_done): Ditto.
644 (rtl_move_loop_invariants): Ditto.
645 (rtl_unswitch): Ditto.
646 (rtl_unroll_and_peel_loops): Ditto.
647 (rtl_doloop): Ditto.
648 * gcc/gimple-low.c (lower_function_body): Ditto.
649 (mark_used_blocks): Ditto.
650 * gcc/tree-ssa-sink.c (execute_sink_code): Ditto.
651 * gcc/ipa-inline.c (cgraph_decide_inlining): Ditto.
652 (cgraph_early_inlining): Ditto.
653 * gcc/global.c (rest_of_handle_global_alloc): Ditto.
654 * gcc/jump.c (cleanup_barriers): Ditto.
655 (purge_line_number_notes): Ditto.
656 * gcc/ifcvt.c (rest_of_handle_if_conversion): Ditto.
657 (rest_of_handle_if_after_reload): Ditto.
658 * gcc/tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
659 (tree_ssa_loop_im): Ditto.
660 (tree_ssa_loop_unswitch): Ditto.
661 (tree_vectorize): Ditto.
662 (tree_linear_transform): Ditto.
663 (tree_ssa_loop_ivcanon): Ditto.
664 (tree_ssa_empty_loop): Ditto.
665 (tree_ssa_loop_bounds): Ditto.
666 (tree_complete_unroll): Ditto.
667 (tree_ssa_loop_prefetch): Ditto.
668 (tree_ssa_loop_ivopts): Ditto.
669 (tree_ssa_loop_done): Ditto.
670 * gcc/predict.c (tree_estimate_probability): Ditto.
671 * gcc/recog.c (split_all_insns_noflow): Ditto.
672 (rest_of_handle_peephole2): Ditto.
673 (rest_of_handle_split_all_insns): Ditto.
674 * gcc/tree-eh.c (lower_eh_constructs): Ditto.
675 * gcc/regmove.c (rest_of_handle_regmove): Ditto.
676 (rest_of_handle_stack_adjustments): Ditto.
677 * gcc/local-alloc.c (rest_of_handle_local_alloc): Ditto.
678 * gcc/function.c (instantiate_virtual_regs): Ditto.
679 (init_function_for_compilation): Ditto.
680 (rest_of_handle_check_leaf_regs): Ditto.
681 * gcc/gcse.c (rest_of_handle_jump_bypass): Ditto.
682 (rest_of_handle_gcse): Ditto.
683 * gcc/ipa-type-escape.c (type_escape_execute): Ditto.
684 * gcc/alias.c (rest_of_handle_cfg): Ditto.
685 * gcc/tree-if-conv.c (main_tree_if_conversion): Ditto.
686 * gcc/profile.c (rest_of_handle_branch_prob): Ditto.
687 * gcc/tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
688 * gcc/rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
689 * gcc/bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
690 * gcc/tree-dfa.c (find_referenced_vars): Ditto.
691 * gcc/except.c (set_nothrow_function_flags): Ditto.
692 (convert_to_eh_region_ranges): Ditto.
693 (rest_of_handle_eh): Ditto.
694 * gcc/emit-rtl.c (unshare_all_rtl): Ditto.
695 (remove_unnecessary_notes): Ditto.
696 * gcc/except.h (set_nothrow_function_flags): Ditto.
697 (convert_to_eh_region_ranges): Ditto.
698 * gcc/cfgexpand.c (tree_expand_cfg): Ditto.
699 * gcc/tree-cfgcleanup.c (merge_phi_nodes): Ditto.
700 * gcc/tree-ssa-pre.c (do_pre): Ditto.
701 (execute_fre): Ditto.
702 * gcc/cfgcleanup.c (rest_of_handle_jump): Ditto.
703 (rest_of_handle_jump2): Ditto.
704 * gcc/tree-sra.c (tree_sra): Ditto.
705 * gcc/tree-mudflap.c (execute_mudflap_function_ops): Ditto.
706 (execute_mudflap_function_decls): Ditto.
707 * gcc/tree-ssa-copy.c (do_copy_prop): Ditto.
708 (do_store_copy_prop): Ditto.
709 * gcc/ipa-prop.h (ipcp_driver): Ditto.
710 * gcc/cfglayout.c (insn_locators_initialize): Ditto.
711 * gcc/tree-ssa-forwprop.c
712 (tree_ssa_forward_propagate_single_use_vars): Ditto.
713 * gcc/cfglayout.h (insn_locators_initialize): Ditto.
714 * gcc/tree-ssa-dce.c (tree_ssa_dce): Ditto.
715 * gcc/tree-ssa.c (execute_early_warn_uninitialized): Ditto.
716 (execute_late_warn_uninitialized): Ditto.
717 * gcc/rtl.h (cleanup_barriers): Ditto.
718 (split_all_insns_noflow): Ditto.
719 (purge_line_number_notes): Ditto.
720 (unshare_all_rtl): Ditto.
721 (remove_unnecessary_notes): Ditto.
722 (recompute_reg_usage): Ditto.
723 (variable_tracking_main): Ditto.
724 * gcc/integrate.c (emit_initial_value_sets): Ditto.
725 * gcc/integrate.h (emit_initial_value_sets): Ditto.
726 * gcc/tree-optimize.c (execute_free_datastructures): Ditto
727 (execute_free_cfg_annotations): Ditto.
728 (execute_fixup_cfg): Ditto.
729 (execute_cleanup_cfg_pre_ipa): Ditto.
730 (execute_cleanup_cfg_post_optimizing): Ditto.
731 (execute_init_datastructures): Ditto.
732 * gcc/tree-object-size.c (compute_object_sizes): Ditto.
733 * gcc/combine.c (rest_of_handle_combine): Ditto.
734 * gcc/tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
735 * gcc/bb-reorder.c (duplicate_computed_gotos): Ditto.
736 (rest_of_handle_reorder_blocks): Ditto.
737 (rest_of_handle_partition_blocks): Ditto.
738 * gcc/var-tracking.c (variable_tracking_main): Ditto.
739 * gcc/tree-profile.c (tree_profiling): Ditto.
740 * gcc/tree-vect-generic.c (expand_vector_operations): Ditto.
741 * gcc/reg-stack.c (rest_of_handle_stack_regs): Ditto.
742 * gcc/sched-rgn.c (rest_of_handle_sched): Ditto.
743 (rest_of_handle_sched2): Ditto.
744 * gcc/basic-block.h (free_bb_insn): Ditto.
745 * gcc/tree-ssa-structalias.c (ipa_pta_execute): Ditto.
746 * gcc/tree-cfg.c (execute_build_cfg): Ditto.
747 (remove_useless_stmts): Ditto.
748 (split_critical_edges): Ditto.
749 (execute_warn_function_return): Ditto.
750 (execute_warn_function_noreturn): Ditto.
751 * gcc/tree-ssa-reassoc.c (execute_reassoc): Ditto.
752 * gcc/cfgrtl.c (free_bb_for_insn): Ditto.
753 * gcc/passes.c (execute_one_pass): Run additional
754 todos returned by execute function.
755 * gcc/tree-pass.h (struct tree_opt_pass): Make execute
756 return a value.
758 2006-03-02 Richard Guenther <rguenther@suse.de>
760 * tree-ssa-alias.c (find_used_portions): Consider taking
761 the address as making the variable not write-only.
763 2006-03-02 Nick Clifton <nickc@redhat.com>
765 * config.gcc (default_use_cxa_atexit): Extend the description of
766 this configure variable. Set its default value to "yes" for
767 Linux, NetBSD and ELF targets on the assumption that they will
768 use C libraries with the __cxa_atexit function.
770 2006-03-02 Ben Elliston <bje@au.ibm.com>
772 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
773 parameter as unused to suppress a build warning.
775 2006-03-02 Ben Elliston <bje@au.ibm.com>
777 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
778 config/dfp-bit.c.
780 2006-03-01 Roger Sayle <roger@eyesopen.com>
782 PR other/26489
783 * gthr-posix.h (__gthrw2): Define to take three parameters, the
784 declared name, the weak reference name, and the typeof name.
785 (__gthrw): Avoid expanding the declared name suffix.
786 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
788 2006-03-01 Jakub Jelinek <jakub@redhat.com>
790 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
791 from DWARF 3.
792 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
793 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
794 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
795 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
796 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
797 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
798 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
799 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
800 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
801 DW_DS_leading_separate, DW_DS_trailing_separate): New.
802 (DW_END_default, DW_END_big, DW_END_little): New.
803 (DW_END_lo_user, DW_END_hi_user): Define.
804 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
805 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
806 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
807 DW_LANG_D): New.
809 2006-03-01 Diego Novillo <dnovillo@redhat.com>
811 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
812 Update all users.
813 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
814 Update all users.
815 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
816 Update all users.
817 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
818 Update all users.
819 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
820 to 'symbol_mem_tag'.
821 Update all users.
822 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
823 rename.
825 2006-03-01 Roger Sayle <roger@eyesopen.com>
827 * builtins.c (fold_builtin_copysign): Delete unreachable code.
829 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
831 PR target/25761
832 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
833 MACHO_DYNAMIC_NO_PIC_P.
834 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
836 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
838 PR target/26389
839 * config/darwin-protos.h (darwin_asm_output_anchor):
840 Declare.
841 * config/darwin-sections.def (cstring_section):
842 Add SECTION_MERGE to the flags.
843 (literal4_section): Likewise.
844 (literal8_section): Likewise.
845 (objc_selector_refs_section): Likewise.
846 (objc_cls_refs_section): Likewise.
847 * config/darwin.c (darwin_asm_output_anchor): New
848 function.
849 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
851 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
853 Fix PR tree-optimization/26443
854 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
855 to todo and PROP_tmt_usage to properties_destroyed.
856 * tree-ssa-ccp.c (pass_ccp): Ditto.
857 (pass_store_ccp): Ditto.
858 * tree-ssa-dom.c (pass_dominator): Ditto.
860 2006-03-01 Diego Novillo <dnovillo@redhat.com>
862 * tree-ssa-operands.c: Cleanup whitespace.
863 (get_asm_expr_operands): Move before first invocation.
864 (get_indirect_ref_operands): Likewise.
865 (get_tmr_operands): Likewise.
866 (get_call_expr_operands): Likewise.
867 (append_def): Likewise.
868 (append_use): Likewise.
869 (append_v_may_def): Likewise.
870 (append_v_must_def): Likewise.
871 (add_call_clobber_ops): Likewise.
872 (add_call_read_ops): Likewise.
873 (add_stmt_operand): Likewise.
874 (add_virtual_operand): Likewise.
875 (build_ssa_operands): Likewise.
877 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
879 PR middle-end/26022
880 Revert:
881 PR middle-end/24437
882 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
883 with a call expr to ...
884 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
886 2006-03-01 Diego Novillo <dnovillo@redhat.com>
888 * tree-vrp.c (extract_range_from_assert): Remove special
889 handling for types with super-types.
891 2006-03-01 Ben Elliston <bje@au.ibm.com>
893 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
894 and powerpc64-*-linux* configurations.
895 * config/t-dfprules: New file.
897 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
898 Compile dfp-bit.c from the source directory using -DWIDTH and
899 $DFP_CFLAGS to control the compilation of that file, rather than
900 generating width-specific versions in the build directory.
901 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
902 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
904 2006-02-28 Zack Weinberg <zackw@panix.com>
906 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
907 continues to work.
909 2006-02-28 Eric Christopher <echristo@apple.com>
911 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
912 Set up IN_LIBGCC definition of TARGET_64BIT.
913 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
915 2006-02-28 Roger Sayle <roger@eyesopen.com>
917 PR middle-end/14752
918 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
919 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
920 cases via the construction of "expr != 0".
922 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
924 * alias.c (alias_invariant, alias_invariant_size): Remove.
925 (record_base_value): Remove.
926 (memrefs_conflict_p): Don't look at alias_invariant.
927 (end_alias_analysis): Don't free it.
928 * alias.h (record_base_value): Remove prototype.
930 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
931 Adam Nemet <anemet@caviumnetworks.com>
933 * rtl.h (truncated_to_mode): Declare it.
934 (struct rtl_hooks): Add reg_truncated_to_mode hook.
935 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
936 (RTL_HOOKS_INITIALIZER): Include it.
937 * rtlhooks.c (reg_truncated_to_mode_general): New function.
938 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
939 reg_truncated_to_mode.
940 * rtlanal.c (truncated_to_mode): Define it.
941 * simplify-rtx.c (simplify_unary_operation_1): Use it.
943 2006-02-28 Jeff Law <law@redhat.com>
945 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
946 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
947 the range allowed by TYPE_PRECISION.
949 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
951 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
953 PR tree-optimization/26419
954 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
955 values of n.
957 2006-02-27 Zack Weinberg <zackw@panix.com>
959 * doc/md.texi: Fix typo in previous change.
961 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
963 * df.c: Remove.
965 2006-02-27 Zack Weinberg <zackw@panix.com>
967 * rtl.def (define_constraint, define_register_constraint)
968 (define_memory_constraint, define_address_constraint): New MD forms.
969 * gensupport.c (process_rtx): Put define_constraint etc on the
970 predicate queue.
971 * genpreds.c (process_define_predicate): Adjust comment. Validate
972 the name, and call validate_exp to validate the expression.
973 (mark_mode_tests, write_extract_subexp): Can assume correct input.
974 (write_predicate_expr): Likewise. NAME argument no longer necessary;
975 all callers changed.
976 (validate_exp, needs_variable, struct constraint_data)
977 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
978 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
979 (const_dbl_constraints, constraint_max_namelen)
980 (have_register_constraints, have_memory_constraints)
981 (have_address_constraints, have_address_constraints)
982 (have_extra_constraints, have_const_int_constraints)
983 (have_const_dbl_constraints, mangle, add_constraint)
984 (process_define_constraint, process_define_register_constraint)
985 (write_enum_constraint_num, write_lookup_constraint)
986 (write_insn_constraint_len, write_regclass_for_constraint)
987 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
988 (write_insn_extra_memory_constraint)
989 (write_insn_extra_address_constraint)
990 (write_satisfies_constraint_fns): New.
991 (write_tm_preds_h): If we have new-style constraint definitions,
992 prototype the functions generated from them, and define the
993 old constraint interface (still used by generic code) in terms of
994 those functions.
995 (write_insn_preds_c): If we have new-style constraint definitions,
996 generate all relevant functions from those definitions.
997 (main): Handle define_constraint etc.
998 * genoutput.c (struct constraint_data, indep_constraints)
999 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
1000 (mdep_constraint_len): New data structures and functions, defined
1001 #ifdef USE_MD_CONSTRAINTS.
1002 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
1003 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
1004 use new logic to validate operand constraints against constraint
1005 definitions.
1006 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
1007 defined.
1008 * defaults.h: If none of the old-style constraint macros are
1009 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
1010 old-style macros; and poison REG_CLASS_FROM_LETTER,
1011 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
1012 EXTRA_CONSTRAINT.
1013 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
1014 * doc/md.texi: Document new constraint-definition mechanism and the
1015 C interface it provides. Remove references to old mechanism
1016 elsewhere in the document.
1017 (Machine Constraints): Use pathnames relative to gcc directory,
1018 i.e. config/ARCH/FILE. Change i386 section to refer to
1019 config/i386/predicates.md; update that section to match docstrings.
1020 * doc/tm.texi: Move all documentation of the old constraint-
1021 definition macros to their own section, clearly mark as obsolete.
1023 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
1024 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
1025 definitions.
1026 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
1027 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
1028 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
1029 constraint strings.
1030 (splits and peepholes): Use satisfies_constraint_*.
1031 * config/i386/i386.c (memory_address_length)
1032 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
1034 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
1036 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
1037 scalar operation to be put back into the loop.
1039 2006-02-27 Jakub Jelinek <jakub@redhat.com>
1041 PR other/26208
1042 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
1043 (extract_cie_info): Handle S flag in augmentation string.
1044 (execute_cfa_program): If context->signal_frame, execute also
1045 fs->pc == context->ra instructions.
1046 (uw_frame_state_for): If context->signal_frame, don't subtract one
1047 from context->ra to find FDE.
1048 (uw_update_context_1): Set context->signal_frame to
1049 fs->signal_frame.
1050 (_Unwind_GetIPInfo): New function.
1051 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
1052 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
1053 of _Unwind_GetIP.
1054 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
1055 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
1056 * unwind-compat.c (_Unwind_GetIPInfo): New function.
1057 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
1058 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
1059 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
1060 * config/i386/linux-unwind.h (x86_fallback_frame_state,
1061 x86_64_fallback_frame_state): Set fs->signal_frame.
1062 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
1063 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
1064 (frob_update_context): Likewise. Workaround missing S flag in
1065 Linux 2.6.12 - 2.6.16 kernel vDSOs.
1066 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
1067 Remove the psw_addr + 1 hack.
1069 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
1071 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
1072 with aggregates here.
1073 (find_func_aliases): Remove code for &<aggregate> from here.
1075 2006-02-26 Roger Sayle <roger@eyesopen.com>
1077 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
1078 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
1079 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
1080 as (X & C) ne/eq 0.
1082 2006-02-26 Roger Sayle <roger@eyesopen.com>
1084 PR middle-end/19983
1085 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
1087 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
1089 * opts.c (decode_options): Do not handle flag_strength_reduce.
1090 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
1091 and OPT_fstrength_reduce.
1092 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
1093 flag_prefetch_loop_arrays for being nonzero.
1094 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
1095 no-ops.
1096 (fprefetch-loop-arrays-rtl): Removed.
1097 (flag_prefetch_loop_arrays): Do not specify the value.
1099 * doc/passes.texi: Update documentation of loop optimizer
1100 passes.
1101 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
1102 -frerun-loop-opt): Remove.
1104 2006-02-26 Richard Guenther <rguenther@suse.de>
1106 PR tree-optimization/26421
1107 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
1108 in function calls that are ADDR_EXPRs as using the whole structure.
1110 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
1112 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
1113 * tree-pass.h (pass_loop_optimize): Remove.
1114 * passes.c (pass_loop_optimize): Never run it.
1115 * toplev.c (backend_init): Don't call init_loop.
1116 * opts.c (flag_loop_optimize_set): Remove.
1117 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
1118 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
1119 the old RTL loop optimizer when profiling enabled.
1120 * predict.c (tree_estimate_probability): Always strip builtin_expect.
1121 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
1122 pre-headers for the sake of the old RTL loop optimizer.
1123 * Makefile.in: Remove all references to loop.o.
1125 * doc/invoke.texi: Remove all references to -floop-optimize
1126 and -frerun-loop-opt.
1128 2006-02-26 Zack Weinberg <zackw@panix.com>
1130 * doc/md.texi (Machine Constraints): Refer to all files with paths
1131 relative to gcc directory (i.e. config/CPU/file). Add missing
1132 @table @code ... @end table to M32C subsection.
1134 2006-02-26 Roger Sayle <roger@eyesopen.com>
1136 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
1137 (X & 1) == 0.
1138 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
1140 2006-02-26 Roger Sayle <roger@eyesopen.com>
1141 James A. Morrison <phython@gcc.gnu.org>
1143 PR middle-end/21137
1144 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
1145 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
1146 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
1147 signedness of the shift operation.
1149 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
1151 PR tree-optimization/26359
1152 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
1154 2006-02-25 Roger Sayle <roger@eyesopen.com>
1156 * simplify-rtx.c (simplify_relational_operation_1): Simplify
1157 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
1158 as X == 0, and some symmetry related transformations.
1159 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
1161 2006-02-25 Roger Sayle <roger@eyesopen.com>
1163 PR middle-end/23673
1164 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
1165 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
1166 symmetry related transformations. Fold (X^C1) == C2 as
1167 X == (C1^C2).
1169 2006-02-25 Juergen Weigert <jw@suse.de>
1170 Richard Guenther <rguenther@suse.de>
1172 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
1174 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
1176 * combine.c (gen_lowpart_or_truncate): Call
1177 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
1179 2006-02-24 Diego Novillo <dnovillo@redhat.com>
1181 * doc/invoke.texi: Move -fopenmp description to "Options for
1182 Code Generation".
1183 Remove reference to -lgomp.
1185 2006-02-24 David Edelsohn <edelsohn@gnu.org>
1187 * doc/install.texi: Require GNU tar version 1.14.
1189 2006-02-24 Geoffrey Keating <geoffk@apple.com>
1191 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
1192 * doc/invoke.texi (C++ Dialect Options): Document
1193 -fno-use-cxa-get-exception-ptr.
1194 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
1195 * configure: Regenerate.
1196 * c.opt (fuse-cxa-get-exception-ptr): New.
1197 * c-opts.c (c_common_handle_option): Handle
1198 OPT_fuse_cxa_get_exception_ptr.
1199 * c-common.c (flag_use_cxa_atexit): Update documentation.
1200 (flag_use_cxa_get_exception_ptr): New.
1201 * c-common.h (flag_use_cxa_get_exception_ptr): New.
1202 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
1203 documentation.
1204 (C_COMMON_OVERRIDE_OPTIONS): New.
1206 2006-02-24 Roger Sayle <roger@eyesopen.com>
1208 PR middle-end/24952
1209 * combine.c (try_combine): Explicitly check whether GET_CODE is
1210 a SET or a CLOBBER, instead on checking that it isn't a USE.
1212 2006-02-24 Roger Sayle <roger@eyesopen.com>
1214 * fold-const.c (fold_comparison): New subroutine of fold_binary
1215 containing transformations common to both the equality and
1216 ordering relational operators, factored out of fold_binary.
1217 (fold_binary): Separate out the equality operators (EQ_EXPR
1218 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
1219 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
1220 transformations common to both.
1221 (fold_div_compare): Fix latent bugs in the previously unreachable
1222 LT_EXPR and GE_EXPR cases.
1224 2006-02-24 David Edelsohn <edelsohn@gnu.org>
1226 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
1227 decl libname for clog to __clog on AIX.
1229 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
1231 2006-02-24 Alan Modra <amodra@bigpond.net.au>
1233 PR target/26453
1234 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
1235 output traceback table for thunks. Localise rs6000_stack_info call.
1237 2006-02-23 Roger Sayle <roger@eyesopen.com>
1238 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1240 * gthr-posix.h (__gthrw): Fix typo in comment.
1242 2006-02-23 Geoffrey Keating <geoffk@apple.com>
1244 * doc/cpp.texi (Character sets): Document that we do support
1245 input files to be in any character set.
1247 2006-02-23 Jeff Law <law@redhat.com>
1249 * tree.h (PHI_ARG_NONZERO): Remove.
1250 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
1251 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
1252 node to the new node.
1254 PR tree-optimization/26425
1255 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
1256 min/max, then assume its varying.
1258 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
1260 PR rtl-optimization/26316
1261 * rtlanal.c (enum may_trap_p_flags): New.
1262 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
1263 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
1264 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
1265 (may_trap_after_code_motion_p): New function.
1266 * loop-invariant.c (find_identical_invariants): Fix dump formating.
1267 (find_invariant_insn): Use may_trap_after_code_motion_p.
1268 * rtl.h (may_trap_after_code_motion_p): Declare.
1270 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
1272 * emit-rtl.c (immed_double_const): Cleanup.
1274 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
1276 Fix PR tree-optimization/26376
1277 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
1278 remove assert.
1280 2006-02-23 Jakub Jelinek <jakub@redhat.com>
1282 PR middle-end/26412
1283 * gimplify.c (omp_add_variable): Guard variable size decl test with
1284 DECL_SIZE (decl) check.
1286 2006-02-23 Richard Guenther <rguenther@suse.de>
1288 PR middle-end/26439
1289 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
1290 like aggregate types.
1292 2006-02-23 Jakub Jelinek <jakub@redhat.com>
1294 * configure.ac: Add --with{,out}-long-double-128 configure option.
1295 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
1296 * configure: Rebuilt.
1297 * config.in: Rebuilt.
1298 * doc/install.texi (Options specification): Document
1299 --with-long-double-128.
1301 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
1302 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
1303 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
1304 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
1306 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
1308 * config/s390/s390.c (override_options): Handle
1309 TARGET_DEFAULT_LONG_DOUBLE_128.
1311 * config/alpha/alpha.c (override_options): Handle
1312 TARGET_DEFAULT_LONG_DOUBLE_128.
1314 * config/sparc/sparc.c (sparc_override_options): Handle
1315 TARGET_DEFAULT_LONG_DOUBLE_128.
1317 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
1319 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
1320 (real-install-headers-tar, real-install-headers-cpio)
1321 (real-install-headers-cp): New targets.
1323 2006-02-22 Richard Sandiford <richard@codesourcery.com>
1325 * tree.h (variable_section): Delete.
1326 * varasm.c (variable_section): Delete.
1328 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
1330 * install.texi: Add notes on install.texi2html.
1331 (Building in parallel): Do not use footnotes.
1333 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
1335 PR libgomp/26234
1336 * doc/install.texi (Configuration): Document --disable-libgomp.
1338 2006-02-21 Geoffrey Keating <geoffk@apple.com>
1340 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
1342 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
1344 * config/i386/sse.md (vec_extractv2df_1_sse): New.
1345 (vec_extractv2df_0_sse): New.
1347 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
1349 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
1350 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
1351 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
1352 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
1353 to the result of the expression.
1354 (def_cfa_1): Adjust.
1355 (frame_pointer_cfa_offset): Rename to...
1356 (frame_pointer_fb_offset): ... this. Adjust all uses.
1357 (convert_cfa_to_loc_list): Rename to...
1358 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
1359 Pass it on to build_cfa_loc.
1360 (compute_frame_pointer_to_cfa_displacement): Rename to...
1361 (compute_frame_pointer_to_fb_displacement): ... this. New
1362 offset parameter. Use it in computation.
1363 (gen_subprogram_die): Compute cfa_fb_offset with the new
1364 macro, and use it to compute the fb loc list and the
1365 displacement.
1367 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
1369 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
1370 replaced with register_operand.
1371 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
1372 non-DREG is expensive.
1373 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
1374 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
1375 involving memory.
1377 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
1379 * doc/install.texi2html: Use set -e.
1381 2006-02-21 Richard Sandiford <richard@codesourcery.com>
1383 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
1384 (ASM_OUTPUT_SHARED_LOCAL): Delete.
1385 * doc/invoke.texi (-fshared-data): Delete.
1386 * common.opt (fshared-data): Delete.
1387 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
1388 (assemble_static_space): Remove #if 0 code.
1389 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
1390 (ASM_OUTPUT_SHARED_LOCAL): Poison.
1391 * config/cris/cris.h: Remove FIXME.
1393 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
1395 * doc/sourcebuild.texi (Front End Directory): No more double-colon
1396 hooks.
1398 2006-02-21 Jakub Jelinek <jakub@redhat.com>
1400 PR middle-end/26379
1401 * combine.c (simplify_shift_const_1): Disable nested shifts
1402 optimization for vector shifts.
1404 2006-02-20 Roger Sayle <roger@eyesopen.com>
1406 PR tree-optimization/26361
1407 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
1408 of unsigned integer types.
1410 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
1412 * tree-chrec.c (eq_evolutions_p): New.
1413 * tree-chrec.h (eq_evolutions_p): Declared.
1414 * tree-data-ref.c: Fix formatting.
1415 (datadep_stats, dependence_stats): New.
1416 (gcd): Moved...
1417 (print_direction_vector): New.
1418 (dump_data_dependence_relation): Use print_direction_vector.
1419 (object_analysis, create_data_ref): Handle COMPONENT_REF.
1420 (compute_subscript_distance): Static.
1421 (initialize_data_dependence_relation): Static. Get the number
1422 of loops surrounding the references from the callers, and initialize
1423 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
1424 base_object_differ_p analyzers.
1425 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
1426 compute_overlap_steps_for_affine_1_2,
1427 analyze_subscript_affine_affine): Count the classified dependences.
1428 Print a message when a test failed.
1429 (can_use_analyze_subscript_affine_affine): New.
1430 (analyze_siv_subscript): Compute the data dependences on symbolic
1431 scevs that verify can_use_analyze_subscript_affine_affine.
1432 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
1433 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
1434 Handle symbolic scevs.
1435 (analyze_overlapping_iterations): Let symbolic affine scevs to be
1436 analyzed.
1437 (subscript_dependence_tester): Moved...
1438 (build_classic_dist_vector, build_classic_dir_vector): Don't use
1439 lambda_vector_clear on newly allocated vectors. Get nb_loops from
1440 DDR_SIZE_VECT instead of getting it in parameter.
1441 (subscript_dependence_tester): ... here. Take as a parameter
1442 loop_nest_depth. Call build_classic_dist_vector and
1443 build_classic_dir_vector.
1444 (compute_affine_dependence): Update subscript_dependence_tester
1445 parameters. Update datadep_stats counters. Call
1446 compute_subscript_distance.
1447 (compute_self_dependence): Save the dist and dir vectors. Call
1448 compute_subscript_distance.
1449 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
1450 (compute_all_dependences): Reorder parameters as they were before
1451 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
1452 compute_subscript_distance. Update the use of
1453 compute_affine_dependence and initialize_data_dependence_relation.
1454 (find_data_references_in_loop): Handle COMPONENT_REF.
1455 (compute_data_dependences_for_loop): Initialize dependence_stats.
1456 Don't call build_classic_dist_vector and build_classic_dir_vector.
1457 Update the parameters of initialize_data_dependence_relation and
1458 compute_all_dependences. Print the statistics from datadep_stats.
1459 (analyze_all_data_dependences): Static. Not used until the pass for
1460 checking the data dependences is contributed.
1461 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
1462 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
1463 (initialize_data_dependence_relation, compute_affine_dependence,
1464 analyze_all_data_dependences, compute_subscript_distance): Removed.
1465 (print_direction_vector): New.
1466 * lambda.h (gcd): ... here.
1467 (lambda_vector_gcd): Moved here from gcd_vector.
1468 * lambda-code.c (gcd, gcd_vector): Removed.
1469 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
1470 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
1472 2006-02-20 Diego Novillo <dnovillo@redhat.com>
1474 * ipa-type-escape.c: Tidy some comments and white space.
1475 * tree-ssa-operands.c: Likewise.
1477 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
1479 PR tree-opt/25879
1480 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
1481 (dump_decl_name): Do not walk the decl tree chains.
1482 * tree-pass.h (TDF_CHAIN): Remove.
1484 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
1486 * Makefile.in (C): Remove
1487 (PROTO): Remove
1488 (.PHONY): Remove C and PROTO
1490 2006-02-20 Roger Sayle <roger@eyesopen.com>
1492 PR middle-end/26236
1493 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
1494 deprecated CHAR_TYPE tree code.
1496 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
1498 * configure.ac (target_list): Add install-info, dvi, html.
1499 * configure: Regenerate.
1501 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
1502 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
1503 treelang/Make-lang.in: Do not use double-colon rules.
1505 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
1507 * tree.h (struct tree_memory_tag): Add is_used_alone member.
1508 (TMT_USED_ALONE): New macro.
1509 * tree-pass.h (PROP_tmt_usage): New property.
1510 (TODO_update_tmt_usage): New todo.
1511 * tree-ssa-alias.c (updating_used_alone): New variable.
1512 (recalculate_used_alone): New function.
1513 (compute_may_aliases): Set updating_used_alone, call
1514 recalculate_used_alone.
1515 * tree-sra.c (pass_sra): Note that this pass destroys
1516 PROP_tmt_usage, and add TODO_update_tmt_usage.
1517 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
1518 * tree-flow.h (updating_used_alone): Prototype.
1519 (recalculate_used_alone): Ditto.
1520 * passes.c (execute_todo): Add code to set updating_used_alone,
1521 and call recalculate.
1522 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
1523 for clobber if used alone, and add assert to verify used_alone
1524 status.
1526 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
1528 * config/s390/s390.c (legitimize_pic_address): Assertions checking
1529 for non tls symbols added.
1530 (legitimize_address): Do nothing for PLUS expressions if one of the
1531 addends is a tls symbol reference.
1533 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
1535 PR bootstrap/25476
1537 * Makefile.in (LDFLAGS): Define from autoconf substitution.
1539 * Makefile.in (BOOTSTRAPPING): New.
1540 (quickstrap): New definition if BOOTSTRAPPING=yes.
1542 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
1543 * configure.ac: Substitute all_selected_languages with the languages
1544 that were configured. For all the other variables except
1545 lang_specs_files, include all the languages in the tree.
1546 * configure: Regenerate.
1548 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
1549 if there is one. Run the commands to run fixincludes in the same
1550 subshell.
1552 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
1553 * doc/install.texi: Document exact conventions for searching target tools.
1554 Document --with-build-time-tools. Document toplevel bootstrap. Document
1555 something more about building an Ada cross-compiler. Don't list GNU Make
1556 requirements which affect all platforms.
1558 2006-02-19 Roger Sayle <roger@eyesopen.com>
1560 PR middle-end/19543
1561 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
1562 only equivalent if the have both the same mode and precision.
1564 2006-02-20 Ben Elliston <bje@au.ibm.com>
1566 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
1568 2006-02-19 Roger Sayle <roger@eyesopen.com>
1569 Steven Bosscher <stevenb.gcc@gmail.com>
1571 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
1572 constant pool references to identify stack mode constants.
1573 * rtlanal.c (constant_pool_constant_p): New predicate to check
1574 whether operand is a floating point constant in the pool.
1575 * rtl.h (constant_pool_constant_p): Prototype here.
1576 * loop.c (scan_loop): Avoid hoisting constants from the constant
1577 pool on STACK_REGS targets.
1578 (load_mems): Likewise.
1579 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
1580 loads into x87 registers expensive in terms of register pressure.
1582 2006-02-19 Roger Sayle <roger@eyesopen.com>
1584 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
1585 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
1587 2006-02-19 David Edelsohn <edelsohn@gnu.org>
1589 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
1590 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
1592 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
1594 * doc/invoke.texi: Document -fipa-pta.
1595 * common.opt: Add ipa-pta option.
1596 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
1597 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
1598 (do_ds_constraint): Ditto.
1599 (get_constraint_for): Only add to referenced_vars if
1600 referenced_vars exists.
1601 (insert_into_field_list): Rewrite to do this unsorted.
1602 (insert_into_field_list_sorted): Rename old insert_into_field_list
1603 to this.
1604 (create_function_info_for): Use insert_into_field_list_sorted.
1605 (create_variable_info_for): Rewrite so it uses unsorted version,
1606 since the field list is sorted.
1607 (intra_create_variable_infos): Only add to referenced_vars if
1608 referenced_vars exists.
1609 (ipa_pta_execute): Init heapvars, and delete when done.
1610 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
1612 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1614 * doc/install.texi: Add missing `@samp'.
1616 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
1618 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
1619 Use the arguments.
1621 2006-02-18 Mark Wielaard <mark@klomp.org>
1623 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
1624 who added new 4.1 features, bug fixes and integration support.
1626 2006-02-18 David Edelsohn <edelsohn@gnu.org>
1628 PR target/26350
1629 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
1630 MEM for ABI_V4 pic.
1632 2006-02-18 Richard Sandiford <richard@codesourcery.com>
1634 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
1635 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
1636 (copy_insn_1): Likewise. Don't copy each field individually.
1637 Reindent.
1638 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
1639 of RTX_SIZE.
1640 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
1641 * rtl.c (rtx_size): Rename variable to...
1642 (rtx_code_size): ...this.
1643 (rtx_size): New function.
1644 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
1645 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
1646 Reindent.
1647 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
1648 * rtl.h (rtx_code_size): New variable.
1649 (rtx_size): Change from a variable to a function.
1650 (RTX_SIZE): Rename to...
1651 (RTX_CODE_SIZE): ...this.
1653 PR target/9703
1654 PR tree-optimization/17106
1655 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
1656 (Anchored Addresses): New section.
1657 * doc/invoke.texi (-fsection-anchors): Document.
1658 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
1659 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
1660 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
1661 * hooks.c (hook_bool_mode_rtx_false): New function.
1662 * hooks.h (hook_bool_mode_rtx_false): Declare.
1663 * gengtype.c (create_optional_field): New function.
1664 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
1665 SYMBOL_REF_IN_BLOCK_P is true.
1666 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
1667 (min_anchor_offset, max_anchor_offset): Likewise.
1668 (use_anchors_for_symbol_p): New hook.
1669 * toplev.c (compile_file): Call output_object_blocks.
1670 (target_supports_section_anchors_p): New function.
1671 (process_options): Check that -fsection-anchors is only used on
1672 targets that support it and when -funit-at-a-time is in effect.
1673 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
1674 if the decl doesn't have one.
1675 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
1676 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
1677 of force_const_mem through use_anchored_address.
1678 (expand_expr_constant): New function.
1679 (expand_expr_addr_expr_1): Call it. Use the same modifier when
1680 calling expand_expr for INDIRECT_REF.
1681 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
1682 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
1683 * expr.h (use_anchored_address): Declare.
1684 * loop-unroll.c: Don't declare rtx vectors here.
1685 * explow.c: Include output.h.
1686 (validize_mem): Call use_anchored_address.
1687 (use_anchored_address): New function.
1688 * common.opt (-fsection-anchors): New switch.
1689 * varasm.c (object_block_htab, anchor_labelno): New variables.
1690 (hash_section, object_block_entry_eq, object_block_entry_hash)
1691 (use_object_blocks_p, get_block_for_section, create_block_symbol)
1692 (use_blocks_for_decl_p, change_symbol_section): New functions.
1693 (get_variable_section): New function, split out from assemble_variable.
1694 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
1695 use_blocks_for_decl_p say so. Use change_symbol_section if the
1696 symbol has already been created.
1697 (assemble_variable_contents): New function, split out from...
1698 (assemble_variable): ...here. Don't output any code for
1699 block symbols; just pass them to place_block_symbol.
1700 Use get_variable_section and assemble_variable_contents.
1701 (get_constant_alignment, get_constant_section, get_constant_size): New
1702 functions, split from output_constant_def_contents.
1703 (build_constant_desc): Create a block symbol if use_object_blocks_p
1704 says so. Or into SYMBOL_REF_FLAGS.
1705 (assemble_constant_contents): New function, split from...
1706 (output_constant_def_contents): ...here. Don't output any code
1707 for block symbols; just pass them to place_section_symbol.
1708 Use get_constant_section and get_constant_alignment.
1709 (force_const_mem): Create a block symbol if use_object_blocks_p and
1710 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
1711 (output_constant_pool_1): Add an explicit alignment argument.
1712 Don't switch sections here.
1713 (output_constant_pool): Adjust call to output_constant_pool_1.
1714 Switch sections here instead. Don't output anything for block symbols;
1715 just pass them to place_block_symbol.
1716 (init_varasm_once): Initialize object_block_htab.
1717 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
1718 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
1719 (place_block_symbol, get_section_anchor, output_object_block)
1720 (output_object_block_htab, output_object_blocks): New functions.
1721 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
1722 (TARGET_ASM_OUT): Include it.
1723 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
1724 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
1725 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
1726 (TARGET_INITIALIZER): Include them.
1727 * rtl.c (rtl_check_failed_block_symbol): New function.
1728 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
1729 (block_symbol, object_block): New structures.
1730 (rtx_def): Add a block_symbol field to the union.
1731 (BLOCK_SYMBOL_CHECK): New macro.
1732 (rtl_check_failed_block_symbol): Declare.
1733 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
1734 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
1735 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
1736 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
1737 * output.h (output_section_symbols): Declare.
1738 (object_block): Name structure.
1739 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
1740 (default_use_anchors_for_symbol_p): Declare.
1741 * Makefile.in (RTL_BASE_H): Add vec.h.
1742 (explow.o): Depend on output.h.
1743 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
1744 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
1745 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
1746 (rs6000_use_blocks_for_constant_p): New function.
1748 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1750 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
1752 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
1754 PR tree-opt/25680
1755 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
1756 IMAGPART_EXPR.
1758 2006-02-18 Diego Novillo <dnovillo@redhat.com>
1760 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
1761 is_aliased.
1762 Update all users.
1764 2006-02-18 Jakub Jelinek <jakub@redhat.com>
1766 PR middle-end/26334
1767 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
1768 instead of DECL_REGISTER.
1770 2006-02-18 Olivier Hainque <hainque@adacore.com>
1772 PR ada/13408
1773 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
1775 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
1777 PR target/24837
1778 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
1779 * opth-gen.awk: Handle Var and InverseMask together.
1780 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
1781 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
1782 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
1783 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
1784 used together.
1785 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
1786 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
1787 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
1788 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
1789 LINUX_DYNAMIC_LINKER): Define.
1790 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
1791 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
1792 TARGET_GLIBC.
1793 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1794 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
1795 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1796 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1797 (TARGET_C99_FUNCTIONS): Don't define.
1798 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
1799 GLIBC_DYNAMIC_LINKER.
1800 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
1801 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
1802 GLIBC_DYNAMIC_LINKER64): Define.
1803 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
1804 LINUX_DYNAMIC_LINKER64.
1805 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1806 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1807 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
1808 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1809 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1810 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1811 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
1812 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
1813 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
1814 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
1815 and LINUX_DYNAMIC_LINKER32.
1816 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1817 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1818 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
1819 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1820 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
1821 TARGET_GLIBC.
1822 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
1823 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
1824 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
1825 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
1826 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
1827 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
1828 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
1829 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
1830 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
1831 LINUX_DYNAMIC_LINKER): Define.
1832 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
1833 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
1834 GLIBC_DYNAMIC_LINKER64): Define.
1835 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
1836 LINUX_DYNAMIC_LINKER64.
1837 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1838 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1839 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
1840 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
1841 LINUX_DYNAMIC_LINKER): Define.
1842 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1843 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
1844 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
1845 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
1846 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
1847 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
1848 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
1849 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
1850 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
1851 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1852 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1853 * doc/invoke.texi (-muclibc): Remove caveat about supported
1854 targets.
1856 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
1858 * doc/cpp.texi (__TIMESTAMP__): Document.
1860 2006-02-17 Roger Sayle <roger@eyesopen.com>
1862 PR middle-end/25600
1863 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
1864 C is one less than the width of X (and related transformations).
1865 * simplify-rtx.c (simplify_unary_operation_1): Transform
1866 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
1867 depending on STORE_FLAG_VALUE, were C is one less then the
1868 width of X.
1870 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
1872 Fix PR tree-optimization/26341
1873 * tree-ssa-operands.c (add_virtual_operand): Remove assert
1874 about NAME_MEMORY_TAG's.
1876 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1878 PR target/26255
1879 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
1880 with hardware float support, and software float support. Add fcpy
1881 alternative to hardware patterns. Add alternatives to copy between
1882 general and floating-point registers to the 32-bit pattern.
1883 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
1884 secondary reload to load a QI or HI mode constant into a floating
1885 point register.
1886 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
1887 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
1889 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
1891 PR target/26272
1892 * config/rs6000/darwin.md (load_macho_picbase_si): Add
1893 pc to the pattern.
1894 (load_macho_picbase_di): Likewise.
1896 2006-02-16 Jeff Law <law@redhat.com>
1898 * tree-vrp.c (set_value_range_to_nonnegative): New function.
1899 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
1900 (ssa_name_nonzero_p): Likewise.
1901 (get_value_range): Return NULL if VRP is not running.
1902 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
1903 VRP routines do not discover a range.
1904 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
1905 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
1906 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
1907 (tree_expr_nonnegative_p): Similarly.
1908 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
1909 (restore_nonzero_vars_to_original_value): Remove.
1910 (unsafe_associative_fp_binop): Remove.
1911 (tree_ssa_dominator_optimize): Remove initialization and
1912 finalization of nonzero_vars and nonzero_vars_stack.
1913 (dom_opt_initialize_block): No longer push marker on
1914 nonzero_vars_stack.
1915 (dom_opt_finalize_block): No longer call
1916 restore_nonzero_vars_to_original_value.
1917 (record_equivalences_from_phis): No longer look for
1918 nonzero PHI arguments.
1919 (cprop_into_successor_phis): No longer propagate nonzero
1920 property into PHI arguments. Lose unused argument. Caller
1921 updated.
1922 (record_equivalences_from_stmt): No longer record nonzero
1923 values for SSA_NAMEs.
1924 (lookup_avail_expr): No longer use nonzero_vars.
1926 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
1927 for sizetype when sizetype is unsigned.
1929 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
1931 PR rtl-optimization/25603
1932 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
1933 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
1934 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
1935 with new meaning of SETS.
1937 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
1939 PR target/20353
1940 PR target/24578
1941 PR target/24837
1942 * config/linux.opt: New file.
1943 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
1944 LINUX_DYNAMIC_LINKER): Define.
1945 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
1946 * config.gcc (*-*-linux*): Define extra_options.
1947 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
1948 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
1949 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
1950 GLIBC_DYNAMIC_LINKER.
1951 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
1952 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1953 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1954 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1955 * doc/invoke.texi (GNU/Linux Options): New section.
1957 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
1959 * config/sparc/sparc.md (setjmp): Rewrite.
1960 (setjmp_32): Delete.
1961 (setjmp_64): Likewise.
1963 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
1965 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
1966 previous change.
1968 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
1970 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
1971 read-write uses.
1973 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
1975 PR rtl-optimization/26296
1976 * Makefile.in (loop-invariant.c): Add except.h dependency.
1977 * loop-invariant.c: Include except.h.
1978 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
1980 2005-02-16 Paul Brook <paul@codesourcery.com>
1982 * reload1.c (emit_reload_insns): Invalidate dead input registers used
1983 for reloads.
1985 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
1987 PR rtl-optimization/25636
1988 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
1989 when deciding whether an insn is an initializing insn.
1991 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
1993 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
1994 (tree_code_size): Ditto.
1995 * tree.h (struct tree_memory_tag): Remove parent_var.
1996 (struct tree_struct_field_tag): New.
1997 (SFT_OFFSET): New.
1998 (SFT_SIZE): New.
1999 (union tree_node): Add sft member.
2000 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
2001 specially here.
2002 (create_sft): Add size and offset argument, set SFT_OFFSET and
2003 SFT_SIZE.
2004 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
2005 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
2006 * tree-flow-inline.h (get_subvar_at): Update for
2007 SFT_OFFSET/SFT_SIZE.
2008 (var_can_have_subvars): Ditto.
2009 (overlap_subvar): Ditto.
2010 * print-tree.c (print_node): Print out interesting things for
2011 SFT's.
2012 * tree-flow.h (struct subvar): Remove offset and size members.
2013 * tree-ssa-operands.c (get_expr_operands): Update for
2014 get_indirect_ref_operands changes.
2015 (get_indirect_ref_operands): Call add_virtual_operand instead of
2016 add_stmt_operand. Only recurse on base var if requested.
2017 (access_can_touch_variable): New function.
2018 (add_stmt_operand): Split virtual operand handling into ...
2019 (add_virtual_operand): Here. Add offset, size, and for_clobber
2020 arguments. Prune alias sets.
2021 (add_call_clobber_ops): Call add_virtual_operand.
2023 2006-02-15 Jakub Jelinek <jakub@redhat.com>
2025 PR middle-end/26300
2026 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
2028 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
2029 than TREE_CODE as index into omp_clause_num_ops array.
2031 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
2033 PR rtl-optimization/26184
2034 * modulo-sched.c (generate_reg_moves): Free bitmap vector
2035 uses_of_defs.
2036 * modulo-sched.c (sms_schedule): Free g_arr pointer.
2037 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
2038 must_precede, must_follow and tobe_scheduled.
2040 PR other/26147
2041 * opts.c (common_handle_option): Free new_option pointer.
2042 * df-core.c (df_analyze): Free postorder pointer.
2044 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
2046 * Makefile.in: Fix the examples about the use of stamps
2048 2006-02-15 Michael Matz <matz@suse.de>
2050 PR middle-end/22275
2052 * stor-layout.c (layout_decl): Zero-width bitfields aren't
2053 influenced by maximum_field_alignment or DECL_PACKED.
2054 (update_alignment_for_field): Ditto.
2055 (place_field): Ditto.
2056 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
2057 this behaviour.
2059 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
2061 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
2062 (debug_flow_info): Pass it.
2063 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
2064 * bb-reorder.c (reorder_basic_blocks): Likewise.
2065 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
2066 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
2067 * flow.c (life_analysis, recompute_reg_usage): Likewise.
2068 * gcse.c (gcse_main, bypass_jumps): Likewise.
2069 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
2070 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
2071 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
2072 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
2073 * rtl.h (dump_flow_info): Adjust prototype.
2074 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
2075 * var-tracking.c (variable_tracking_main): Likewise.
2076 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
2077 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
2078 options.
2080 2006-02-15 Marcin Dalecki <martin@dalecki.de>
2082 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
2083 construction.
2085 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
2087 PR tree-optimization/26209
2088 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
2089 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
2090 eh edges.
2091 * tree-cfg.c (replace_uses_by): Do not alter cfg.
2093 2006-02-14 Roger Sayle <roger@eyesopen.com>
2095 PR middle-end/23670
2096 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
2097 (X,Y) and the corresponding symmetry related transformations.
2098 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
2099 (X,Y) and its symmetry related transformations.
2101 2006-02-14 Roger Sayle <roger@eyesopen.com>
2103 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
2104 and GEU.
2106 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
2108 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
2110 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2112 PR bootstrap/26053
2113 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
2114 support COMDAT group.
2115 * configure: Regenerate.
2117 2006-02-14 Roger Sayle <roger@eyesopen.com>
2119 PR middle-end/26279
2120 PR middle-end/26280
2121 PR middle-end/26283
2122 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
2124 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
2126 Fix PR tree-optimization/26260
2128 * doc/invoke.texi (max-fields-for-field-sensitive): Document
2129 param.
2130 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
2131 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
2132 * tree-ssa-structalias.c (create_variable_info_for): Use
2133 MAX_FIELDS_FOR_FIELD_SENSITIVE.
2135 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
2137 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
2138 Document.
2139 * tree-ssa-loop-niter.c (number_of_iterations_ne,
2140 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
2141 of the ending condition.
2142 * tree-ssa-loop-manip.c: Include params.h.
2143 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
2144 tree_unroll_loop): New functions.
2145 * tree-pass.h (pass_loop_prefetch): Declare.
2146 * loop.c (rest_of_handle_loop_optimize): Test for
2147 -fprefetch-loop-arrays-rtl.
2148 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
2149 * timevar.def (TV_TREE_PREFETCH): New timevar.
2150 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
2151 pass_loop_prefetch): New.
2152 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
2153 (cleanup_tree_cfg_loop): Call scev_reset.
2154 * common.opt (fprefetch-loop-arrays-rtl): Add.
2155 * tree-ssa-loop-prefetch.c: New file.
2156 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
2157 (new_temp_expr_table): Initialize expr_vars.
2158 (free_temp_expr_table): Cleanup expr_vars.
2159 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
2160 expressions from being merged into one.
2161 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
2162 (struct tree_niter_desc): Add control, bound and cmp fields.
2163 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
2164 Declare.
2165 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
2166 (tree-cfgcleanup.o): Add SCEV_H dependency.
2167 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
2168 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
2170 2006-02-14 Richard Guenther <rguenther@suse.de>
2172 PR tree-optimization/26258
2173 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
2174 in PHI argument processing.
2176 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
2178 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
2179 new expression in the requested machine mode.
2181 2006-02-13 Roger Sayle <roger@eyesopen.com>
2183 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
2184 directly, instead let do_compare_rtx_and_jump handle this for us.
2185 * expr.c (expand_expr_real_1): Likewise.
2186 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
2187 before do_jump_by_parts_greater.
2188 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
2189 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
2191 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2193 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
2195 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
2197 PR rtl-optimization/26235
2198 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
2199 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
2200 format.
2202 2006-02-13 Jeff Law <law@redhat.com>
2204 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
2205 TRUTH_XOR_EPR.
2207 2006-02-13 Jakub Jelinek <jakub@redhat.com>
2209 PR middle-end/26092
2210 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
2211 twice if decl is a builtin. When trying again, call get_callee_fndecl
2212 first to verify it is still a builtin.
2214 2006-02-13 Geoffrey Keating <geoffk@apple.com>
2216 * dwarf2out.c (base_type_die): Don't add AT_name here.
2217 (subrange_type_die): Don't add AT_name here.
2218 (modified_type_die): Rearrange code flow. Do add AT_name here.
2220 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
2222 PR rtl-optimization/26247
2223 PR rtl-optimization/26248
2224 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
2226 2006-02-13 Richard Sandiford <richard@codesourcery.com>
2228 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
2229 * config/fixtfdi.c: Likewise.
2230 * config/fixunstfdi.c: Likewise.
2231 * config/floatditf.c: Likewise.
2233 2006-02-13 Roger Sayle <roger@eyesopen.com>
2235 PR middle-end/24427
2236 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
2237 into (X,C2) if C1 is a subset of the bits of C2. Transform
2238 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
2239 (X&(C1&~C2))|C2.
2240 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
2242 2006-02-13 Josh Conner <jconner@apple.com>
2244 PR target/25376
2245 * varasm.c (function_section): Check for section name before
2246 calling select_section on targets that define
2247 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
2248 unlikely_text_section instead of hot_function_section if
2249 first_function_block_is_cold.
2251 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
2253 PR middle-end/25335
2254 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
2256 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
2258 PR rtl-optimization/26222
2259 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
2260 after tree->rtl expansion.
2261 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
2262 before passing it to emit_move_insn.
2264 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
2266 * doc/invoke.texi (-Write-strings): Document that it is enabled by
2267 default.
2268 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
2269 Clarify documentation.
2270 * c-common.h (warn_write_strings): Remove.
2271 * c-common.c (warn_write_strings): Likewise.
2272 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
2273 default for C++.
2275 2006-02-12 Roger Sayle <roger@eyesopen.com>
2277 PR middle-end/25724
2278 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
2279 (do_jump_parts_zero_rtx): New function renamed from
2280 do_jump_parts_equality_rtx. Made static. Add a mode argument.
2281 (do_jump_parts_equality_rtx): New function split out from
2282 do_jump_parts_equality. Old implementation renamed as above.
2283 Call do_jump_parts_zero_rtx if either operand is zero.
2284 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
2285 do all of the heavy lifting.
2286 (do_compare_rtx_and_jump): Handle multi-word comparisons by
2287 calling either do_jump_by_parts_greater_rtx or
2288 do_jump_by_parts_equality_rtx.
2289 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
2290 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
2291 moved to do_compare_rtx_and_jump, call it directly.
2292 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
2293 mode argument. Call do_compare_rtx_and_jump.
2294 (emit_case_nodes): Update calls to do_jump_if_equal.
2296 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
2298 PR rtl-optimization/26225
2299 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
2301 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
2303 PR rtl-optimization/26232
2304 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
2306 2006-02-11 Jason Merrill <jason@redhat.com>
2308 PR tree-opt/24365
2309 * tree-inline.c (declare_return_variable): Just don't use the
2310 modify target if it's a gimple complex reg and the return slot
2311 isn't.
2313 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2315 * doc/contrib.texi: Update my entry.
2317 2006-02-10 Geoffrey Keating <geoffk@apple.com>
2319 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
2321 2006-02-10 Diego Novillo <dnovillo@redhat.com>
2323 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
2324 expensive.
2326 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
2328 * doc/invoke.texi (-floop-optimize2): Removed.
2329 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
2330 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
2331 Test flag_branch_on_count_reg only if HAVE_doloop_end.
2332 * common.opt (floop-optimize2): Removed.
2333 (fmove-loop-invariants): Enabled by default.
2335 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
2337 * tree-if-conv.c (combine_blocks): Free the result of
2338 get_loop_exit_edges.
2340 2006-02-10 Jeff Law <law@redhat.com>
2342 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
2344 PR tree-optimization/26213
2345 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
2346 loop trying to follow SSA_NAME_VALUE chains.
2348 2006-02-10 Richard Guenther <rguenther@suse.de>
2350 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
2351 deal with structures that end in implicitly variable sized arrays.
2353 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
2355 PR rtl-optimization/24762
2356 * df-scan.c (df_bb_refs_record): Record correct registers defined on
2357 eh edges.
2359 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
2361 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
2362 (struct ivopts_data): Add regs_used field.
2363 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
2364 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
2365 instead of loop_data->regs_used;
2366 (free_loop_data): Do not free aux fields for loops.
2367 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
2368 and tree_ssa_iv_optimize_finalize.
2370 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
2372 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
2374 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
2376 PR target/26141
2377 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
2378 computing the effective result type.
2380 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
2382 PR inline-asm/16194
2383 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
2384 (tree_overlaps_hard_reg_set): Declare.
2385 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
2386 type and signature to match function type expected by walk_tree.
2387 (tree_overlaps_hard_reg_set): New function.
2388 (decl_conflicts_with_clobbers_p): Rename to:
2389 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
2390 Use tree_overlaps_hard_reg_set. Changed caller.
2391 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
2392 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
2393 * cris.c (cris_md_asm_clobbers): Likewise.
2395 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
2397 * reload1.c (emit_input_reload_insns): Delete code that tries to
2398 inherit using find_equiv_reg.
2400 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
2402 * c-common.h (flag_const_strings): Don't declare.
2403 * c-common.c (flag_const_strings): Remove.
2404 * c.opt (fconst_strings): Remove.
2405 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
2406 <OPT_Wwrite_strings>: Don't set flag_const_strings.
2407 (c_common_init_options): Don't set flag_const_strings.
2408 * doc/invoke.texi (-fno-const-strings): Remove documentation.
2410 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
2412 * arm.md (tlobits_cbranch): New pattern.
2413 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
2414 testing a single bit.
2416 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
2418 PR tree-opt/26179
2419 * tree-ssa-pre.c (create_component_ref_by_pieces):
2420 Handle RETURN_DECL like VAR_DECL.
2422 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
2424 PR middle-end/26134
2425 * fold-const.c (fold_indirect_ref_1): Fold
2426 "*(foo *)&complexfoo" to "__real__ complexfoo"
2427 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
2429 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
2431 * tree-flow-inline.h (var_can_have_subvars):
2432 Volatile variables should not have subvariables.
2434 2006-02-09 Diego Novillo <dnovillo@redhat.com>
2436 PR 26180
2437 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
2438 multiplying unsigned values.
2439 Tidy comments.
2441 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
2443 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
2445 2006-02-08 Jason Merrill <jason@redhat.com>
2447 PR c++/25979
2448 * tree.def: Elaborate on difference from MODIFY_EXPR.
2449 * doc/c-tree.texi (INIT_EXPR): Likewise.
2450 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
2451 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
2452 (gimplify_target_expr): Likewise.
2453 (gimplify_cond_expr): Remove target handling.
2454 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
2455 (gimplify_expr): Clobber it here.
2456 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
2457 Do return slot optimization if we have an INIT_EXPR.
2459 PR tree-opt/24365
2460 * tree-inline.c (declare_return_variable): Also clear
2461 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
2463 PR c++/16405
2464 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
2466 PR middle-end/22439
2467 * gimplify.c (gimplify_one_sizepos): Fix typo.
2469 2006-02-08 Jeff Law <law@redhat.com>
2471 PR tree-optimization/21417
2472 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
2473 across a backedge if the control statement at the end of the
2474 block is data dependent on other statements in the same block.
2475 (record_temporary_equivalences_from_stmts): Remove over-conservative
2476 test for threading across backedges.
2478 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
2479 control statement, handle all three special cases in the same
2480 manner as they all have the same desired solution. No longer
2481 special case edge flag updating when the post dominator is
2482 the exit block.
2484 2006-02-08 Roger Sayle <roger@eyesopen.com>
2486 * tree.def (CHAR_TYPE): Remove.
2487 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
2488 * dwarf2out.c (base_type_die, is_base_type): Likewise.
2489 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
2490 (gen_string_type_die): Delete unreachable function.
2492 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
2493 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
2494 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
2495 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
2496 * builtins.c (type_to_class): Likewise.
2497 * fold-const.c (fold_convert, build_range_check,
2498 merge_ranges): Likewise.
2499 * expr.c (count_type_elements): Likewise.
2500 * c-pretty-print.c (pp_c_type_specifier): Likewise.
2501 * stor-layout.c (layout_type): Likewise.
2502 * ipa-type-escape.c (type_to_consider): Likewise.
2503 * gimplify.c (omp_firstprivatize_type_sizes,
2504 gimplify_type_sizes): Likewise.
2505 * explow.c (promote_mode): Likewise.
2506 * tree-sra.c (is_sra_scalar_type): Likewise.
2507 * varasm.c (output_constant): Likewise.
2508 * tree-inline.c (remap_type_1): Likewise.
2509 * convert.c (convert_to_pointer, convert_to_real,
2510 convert_to_integer, convert_to_complex): Likewise.
2512 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
2514 * df-scan.c (df_def_record_1): A set destination may
2515 be a parallel regardless of mode.
2517 2006-02-08 Roger Sayle <roger@eyesopen.com>
2519 PR target/22209
2520 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
2521 * config/mips/_tilib.c: Remove.
2522 * config/fixtfdi.c: New libgcc source file.
2523 * config/fixunstfdi.c: New source file.
2524 * config/floatditf.c: New source file.
2525 * config/floatunditf.c: New souce file.
2526 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
2527 files above instead of config/mips/_tilib.c.
2528 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
2530 2006-02-08 Jeff Law <law@redhat.com>
2532 PR tree-optimization/26169
2533 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
2534 threading jumps.
2536 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
2538 * df.h (DF_REG_SIZE): Return the length of the initialized
2539 part of the array.
2541 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
2543 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
2544 __muldf3): Return a correctly signed zero.
2546 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
2548 * passes.c (register_one_dump_file): Accept the current properties
2549 instead of pass number. Adjust call to dump_register. Remove
2550 duplicated code.
2551 (register_dump_files): Now a wrapper around...
2552 (register_dump_files_1): ... this one. Do not modify the pass
2553 structure.
2554 (next_pass_1): Cosmetic fix.
2555 (execute_todo): Keep second parameter only. Use curr_properties
2556 instead of fetching it from the pass structure. Check and set
2557 last_verified.
2558 (execute_one_pass): Handle TODO_set_props. Use curr_properties
2559 instead of fetching it from the pass structure. Fix calls to
2560 execute_todo. Update curr_properties and initialize .vcg RTL dump
2561 after running the pass. Reset last_verified.
2562 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
2563 at the beginning.
2564 (FIRST_AUTO_NUMBERED_DUMP): New.
2565 (dump_register): Remove "num" parameter, assign it within the
2566 function.
2567 (get_dump_file_name): Modify template for dumps.
2568 * tree-dump.h (dump_register): Adjust prototype.
2569 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
2570 (PROP_trees): Add PROP_gimple_lomp.
2571 (TODO_set_props): New.
2572 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
2573 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
2574 * cfgexpand.c (pass_expand): Destroy PROP_trees.
2576 2006-02-08 Jakub Jelinek <jakub@redhat.com>
2578 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
2579 (sparc64-*-linux*): Likewise.
2580 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
2581 * config/sparc/t-linux: New file.
2582 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
2583 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
2584 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
2585 -m32 -mlong-double-128.
2587 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
2588 * config/alpha/t-linux: New file.
2589 * config/alpha/libgcc-alpha-ldbl.ver: New file.
2591 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
2592 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
2593 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
2594 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
2595 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
2596 (CPP_ARCH32_SPEC): Remove.
2598 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
2600 PR tree-optimization/26145
2601 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
2602 bbs pointer.
2604 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2606 PR target/26109
2607 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
2608 >= 240000 when generating code for SOM runtime.
2609 (output_indirect_call): Don't use "b,l" instruction for indirect calls
2610 to $$dyncall when generating code for SOM runtime..
2612 2006-02-07 Dirk Mueller <dmueller@suse.com>
2614 PR c++/18150
2615 * doc/invoke.texi (-Wsequence-point): Update documentation
2616 that -Wsequence-point is implemented for C++ as well.
2618 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
2620 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
2621 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
2622 (LIB_SPEC): Likewise.
2623 * doc/invoke.texi (SPARC options): Document -pthread.
2625 2006-02-07 Geoffrey Keating <geoffk@apple.com>
2627 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
2628 PIC addresses.
2630 2006-02-07 Roger Sayle <roger@eyesopen.com>
2632 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
2633 Correct comment describing BOOLEAN_TYPE.
2635 2006-02-07 Dirk Mueller <dmueller@suse.com>
2637 * c.opt: C++ frontend supports -Wdiv-by-zero.
2638 * c-opts.c (c_common_handle_option): Remove dead case.
2640 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
2642 * configure.ac (TLS assembler check): Do not enable TLS by
2643 default on SPARC/Solaris before version 10.
2644 * configure: Regenerate.
2646 2006-02-07 David Edelsohn <edelsohn@gnu.org>
2648 * doc/invoke.texi (xl-compat): Document conversion and support
2649 routine names.
2651 2006-02-07 Jeff Law <law@redhat.com>
2653 * tree-vrp.c (find_conditional_asserts): Update comments.
2654 (simplify_stmt_for_jump_threading): New.
2655 (identify_jump_threads, finalize_jump_threads): New.
2656 (vrp_finalize): Call identify_jump_threads.
2657 (execute_vrp): Call finalize_jump_threads.
2658 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
2659 (vrp_element, vrp_data, vrp_element_p): Remove.
2660 (vrp_hash_elt, vrp_variables_stack): Remove.
2661 (vrp_hash, vrp_eq, record_range): Remove.
2662 (simplify_cond_and_lookup_avail_expr): Remove.
2663 (extract_range_from_cond): Remove.
2664 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
2665 (simplify_stmt_for_jump_threading): New.
2666 (dom_thread_across_edge): New wrapper.
2667 (tree_ssa_dominator_optimize): No longer initialize or
2668 finalize any of the VRP datastructures. Remove iteration
2669 step and simplify as a result of removal of iteration step.
2670 (pass_dominator): Perform a cfg cleanup after DOM.
2671 (dom_opt_finalize_block): Use the new common routines
2672 for threading jumps. Simplify stack management slightly.
2673 No longer need to unwind VRP state.
2674 (record_equivalences_from_incoming_edge): No longer record
2675 VRP information.
2676 (eliminate_redundant_computations): No longer call
2677 simplify_cond_and_lookup_avail_expr.
2678 * tree-flow.h (potentially_threadable_block): Prototype.
2679 (thread_across_edge): Likewise.
2680 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
2681 (tree-ssa-threadedge.o): Add dependencies.
2682 * tree-ssa-threadedge.c: New file.
2683 * passes.c (init_optimization_passes): Merge PHIs before
2684 calling VRP. Run VRP again late in the SSA optimization pipeline.
2686 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
2688 * df-core.c (df_set_blocks): Do not dereference function pointers.
2689 (df_finish1): Likewise.
2690 (df_hybrid_search_forward): Likewise.
2691 (df_hybrid_search_backward): Likewise.
2692 (df_iterative_dataflow): Likewise.
2693 (df_analyze_problem): Likewise.
2694 (df_compact_blocks): Likewise.
2695 (df_dump): Likewise.
2696 * df-scan.c (df_rescan_blocks): Likewise.
2697 (df_record_entry_block_defs): Likewise.
2699 * genconditions.c (write_conditions): Guard the definition of
2700 'insn_conditions' with the check on GCC version.
2701 (write_writer): Guard the traversal 'insn_conditions' with
2702 the check on GCC version.
2704 2006-02-07 Richard Guenther <rguenther@suse.de>
2706 PR c++/26140
2707 Revert
2708 2006-01-30 Richard Guenther <rguenther@suse.de>
2709 PR c++/23372
2710 * gimplify.c (gimplify_target_expr): Handle easy cases
2711 without creating a temporary.
2713 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
2715 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
2716 use of float in probability computations. Use edge probabilities
2717 in place of statically computed probabilities.
2718 (min_spec_prob): New static variable.
2719 (schedule_insns): Initialize it.
2720 (GET_SRC_PROB): Removed.
2721 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
2723 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
2725 PR debug/24444
2726 * config/ia64/unwind-ia64.c: Revert last change.
2727 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
2728 (INCOMING_FRAME_SP_OFFSET): Define.
2730 2006-02-06 Roger Sayle <roger@eyesopen.com>
2732 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
2734 2006-02-07 Ben Elliston <bje@au.ibm.com>
2736 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
2737 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
2738 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
2739 (ix86_return_in_memory): Handle TDmode.
2740 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
2741 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
2743 2006-02-06 Richard Sandiford <richard@codesourcery.com>
2745 * reorg.c (dbr_schedule): Use dump_file instead of file.
2747 2006-02-06 Steve Ellcey <sje@cup.hp.com>
2749 PR target/25917
2750 * config/ia64/predicates.md (extr_len_operand): New predicate.
2751 * config/ia64/ia64.md (extv): Tighten constraints.
2752 (extzv): Ditto.
2753 (*tbit_and_2): Ditto.
2754 (*tbit_and_3): Ditto.
2755 (*tbit_or_2): Ditto.
2756 (*tbit_or_3): Ditto.
2757 (*bit_zero): Ditto.
2758 (*bit_one): Ditto.
2760 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
2762 PR target/23359
2763 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
2765 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
2767 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
2768 loop_optimizer_init and loop_optimizer_finalize
2769 * tree-ssa-sink.c (execute_sink_code): Ditto.
2770 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
2771 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
2772 tree_ssa_loop_done): Ditto.
2773 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
2774 * sched-ebb.c: Include output.h.
2775 (schedule_ebbs): Do not use dump argument.
2776 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
2777 * loop.c (loop_dump_stream): Removed.
2778 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
2779 argument.
2780 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
2781 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
2782 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
2783 loop_iterations, strength_reduce, record_biv, record_giv,
2784 final_giv_value, check_final_value, check_ext_dependent_givs,
2785 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
2786 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
2787 dump_file instead of loop_dump_stream.
2788 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
2789 argument dump_file.
2790 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
2791 dump argument.
2792 * flow.c (life_analysis, rest_of_handle_life): Ditto.
2793 * haifa-sched.c: Include output.h
2794 (schedule_insns, sched_init): Do not use dump argument.
2795 * mode-switching.c (optimize_mode_switching): Ditto.
2796 * modulo-sched.c (stats_file): Removed.
2797 (print_node_sched_params): Do not call argument dump_file.
2798 (sms_schedule_by_order, loop_canon_p, sms_schedule,
2799 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
2800 of stats_file.
2801 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
2802 use dump argument.
2803 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
2804 rtl_loop_init, rtl_loop_done): Ditto.
2805 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
2806 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
2807 Ditto.
2808 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
2809 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
2810 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
2811 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
2812 * emit-rtl.c (renumber_insns): Ditto.
2813 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
2814 expand_gimple_basic_block, tree_expand_cfg): Ditto.
2815 * regclass.c (regclass): Ditto.
2816 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
2817 remove_ssa_form, rewrite_out_of_ssa): Ditto.
2818 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
2819 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
2820 Ditto.
2821 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
2822 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
2823 to regclass.
2824 * gcse.c (gcse_file, debug_stderr): Removed.
2825 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
2826 rest_of_handle_gcse): Do not use dump argument.
2827 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
2828 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
2829 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
2830 compute_code_hoist_vbeinout, compute_code_hoist_data,
2831 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
2832 compute_store_table, build_store_vectors, insert_insn_start_bb,
2833 insert_store, remove_reachable_equiv_notes, replace_store_insn,
2834 store_motion): Use dump_file instead of gcse_file.
2835 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
2836 * profile.c (profile_dump_file): Removed.
2837 (branch_prob): Use dump_file instead of profile_dump_file.
2838 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
2839 dump_file.
2840 * tree-ssa-copy.c (dump_copy_of): Ditto.
2841 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
2842 dump file to life_analysis.
2843 * bt-load.c (branch_target_load_optimize): Ditto.
2844 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
2845 renumber_insns.
2846 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
2847 regclass, dbr_schedule): Declaration changed.
2848 * sched-int.h (sched_init): Declaration changed.
2849 * tree-profile.c (tree_profile_dump_file): Removed.
2850 (tree_profile_hooks): Removed profile_dump_file hook.
2851 * rtl-profile (rtl_profile_dump_file): Removed.
2852 (rtl_profile_hooks): emoved profile_dump_file hook.
2853 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
2854 changed.
2855 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
2856 * tree-cfg.c (build_tree_cfg): Ditto.
2857 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
2858 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
2859 Declaration changed.
2860 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
2861 life_analysis and schedule_insns.
2862 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
2863 life_analysis.
2864 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
2865 dbr_schedule.
2866 * config/mips/mips.c (mips_reorg): Ditto.
2867 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
2868 schedule_ebbs.
2870 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
2872 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
2873 (s390_mangle_fundamental_type): New.
2874 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
2875 Define.
2877 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
2878 (alpha_mangle_fundamental_type): New.
2879 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
2880 Define.
2882 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
2883 Define.
2884 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
2885 Define.
2886 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
2887 (sparc_mangle_fundamental_type): New.
2889 2006-02-06 Jakub Jelinek <jakub@redhat.com>
2891 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
2892 (s390x-*-linux*): Likewise.
2893 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
2894 * config/s390/t-linux: New file.
2896 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
2898 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
2899 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
2901 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
2903 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
2904 (ANTIC_SAFE_LOADS): New macro.
2905 (find_or_generate_expression): Add prototype.
2906 (set_contains_value): Allow null set for sake of not always having
2907 to allocate ANTIC_SAFE_LOADS.
2908 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
2909 Allow COMPONENT_REF too.
2910 (valid_in_set): Allow COMPONENT_REF.
2911 Check ANTIC_SAFE_LOADS too.
2912 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
2913 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
2914 rename.
2915 (can_PRE_operation): Add COMPONENT_REF.
2916 (create_component_ref_by_pieces): New function.
2917 (create_expression_by_pieces): Use create_component_ref_by_pieces.
2918 (insert_aux): Move AGGREGATE_TYPE_P check here.
2919 (compute_avail): Set bb local stmt uids.
2920 (pass_pre): Use TODO_update_ssa_only_virtuals.
2922 2006-02-06 Ben Elliston <bje@au.ibm.com>
2924 * configure.ac: Unconditionally disable decimal float by default.
2925 * configure: Regenerate.
2927 2006-02-06 Ben Elliston <bje@au.ibm.com>
2929 * read-rtl.c (read_name): Terminate reading on EOF.
2931 2006-02-06 Ben Elliston <bje@au.ibm.com>
2933 * dfp.c (decimal_real_arithmetic): Change second argument type
2934 from int to enum tree_code. Do not always return true, but now
2935 return result of any call to decimal_do helper functions.
2936 * dfp.h (decimal_real_arithmetic): Update prototype.
2938 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
2940 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
2942 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
2944 PR tree-opt/25251
2945 * tree-cfg.c (cleanup_dead_labels): Also don't remove
2946 forced labels.
2948 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
2950 * tree-vrp.c (cfg_loops): Removed.
2951 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
2952 Use current_loops instead of cfg_loops. Pass flags to
2953 loop_optimizer_init.
2954 * cfgloopmanip.c (fix_loop_structure): Update only available
2955 information.
2956 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
2957 loop_optimizer_init.
2958 * modulo-sched.c (build_loops_structure): Removed.
2959 (sms_schedule): Use loop_optimizer_init.
2960 * loop-init.c (loop_optimizer_init): Use flags to determine
2961 which properties of loops to prepare.
2962 (rtl_loop_init): Pass flags to loop_optimizer_init.
2963 * tree-ssa-sink.c (execute_sink_code): Ditto.
2964 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
2965 * tree-ssa-pre.c (init_pre): Ditto.
2966 * cfgloop.h (LOOPS_NORMAL): New.
2967 (loop_optimizer_init): Declaration changed.
2969 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2971 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
2972 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
2973 pa/t-pa.
2974 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
2975 pa/t-pa.
2976 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
2977 pa/x-ada.
2978 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
2979 * pa/t-pa64: Delete quadlib.c rule.
2980 * pa/x-ada: Revert last change.
2981 * pa/t-pa: Revert last change. Delete quadlib.c rule.
2983 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
2985 PR rtl-optimization/26087
2986 * rtlanal.c (canonicalize_condition): Do not cross basic block
2987 boundaries.
2989 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
2991 PR debug/24444
2992 * config/ia64/ia64.c: Include debug.h.
2993 (MAX_ARTIFICIAL_LABEL_BYTES): New.
2994 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
2995 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
2996 (process_epilogue, process_set, process_for_unwind_directive):
2997 Output unwind info only if requested. Add CFA info if requested.
2998 Add new arguments as needed. Adjust callers.
2999 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
3000 incorrect default.
3001 (DWARF2_FRAME_INFO): Define to zero.
3002 * config/ia64/unwind-ia64.c: Remove code that compensated for
3003 the CFA offset error fixed above.
3004 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
3005 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
3006 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
3007 -funwind-tables and -fexceptions to enable frame info.
3008 (dwarf2out_frame_init): Define initial CFA even if
3009 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
3010 DWARF2_UNWIND_INFO is nonzero, not just defined.
3011 (dwarf2out_frame_finish): Output non-EH call frame info only
3012 if DWARF2_FRAME_INFO is nonzero.
3013 (convert_cfa_to_loc_list,
3014 compute_frame_pointer_to_cfa_displacement): Define even if
3015 unwind info is not supported.
3016 (gen_subprogram_die): Use the above unconditionally. Remove
3017 legacy alternate code.
3018 * toplev.c (compile_file): Compile in call to
3019 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
3020 (lang_dependent_init): Ditto for dwarf2out_frame_init.
3022 2006-02-04 David Edelsohn <edelsohn@gnu.org>
3023 Jakub Jelinek <jakub@redhat.com>
3025 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
3026 IBM extended float format long double as "g" on powerpc*-linux.
3028 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3030 PR target/25926
3031 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
3032 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
3034 2006-02-03 Jason Merrill <jason@redhat.com>
3036 PR c++/25979
3037 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
3039 PR middle-end/25977
3040 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
3041 on the return slot if it's an NRV.
3043 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
3045 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
3046 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
3047 rewrite_use): Do not handle USE_OUTER.
3048 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
3049 add_iv_outer_candidates, may_replace_final_value,
3050 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
3051 (find_interesting_uses_op): Functionality of
3052 find_interesting_uses_outer_or_nonlin moved here.
3053 (find_interesting_uses_outside): Use find_interesting_uses_op.
3055 2006-02-03 Alan Modra <amodra@bigpond.net.au>
3057 PR target/25960
3058 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
3060 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
3061 Ulrich Weigand <uweigand@de.ibm.com>
3063 PR target/25864
3064 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
3065 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
3066 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
3067 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
3068 and dxr fields.
3069 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
3070 (s390_rtx_costs): Use the new fields to calculate rtx costs.
3071 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
3072 Define secondary reloads for TFmode moves.
3073 (constant_modes): Add TFmode.
3074 (NR_C_MODES): Set to 8.
3075 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
3076 builtin define.
3077 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
3078 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
3079 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
3080 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
3081 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
3082 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
3083 (FPR mode macro): Add TFmode.
3084 (DSF mode macro): New.
3085 (<de>, <dee> mode attributes): Removed.
3086 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
3087 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
3088 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
3089 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
3090 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
3091 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
3092 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
3093 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
3094 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
3095 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
3096 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
3097 "*negabs<mode>2", "sqrt<mode>2"):
3098 Changed <de> to <xde>. R constraint replaced by <Rf>.
3099 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
3100 <Rf>.
3101 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
3102 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
3103 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
3104 splitters.
3105 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
3106 "extenddftf2", "extendsftf2"): New expanders.
3107 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
3108 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
3109 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
3110 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
3111 New options.
3112 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
3113 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
3114 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
3115 __floatditf): Add a GCC_4.1.0 symbol version tag.
3116 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
3117 the new options.
3119 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
3121 PR target/25377
3122 * config/i386/i386.c (ix86_function_ok_for_sibcall):
3123 Use targetm.binds_local_p instead of TREE_PUBLIC.
3125 2006-02-02 Roger Sayle <roger@eyesopen.com>
3127 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
3128 on INTEGER_TYPEs to indicate that it denotes a character type.
3129 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
3130 signed_char_type_node, unsigned_char_type_node and char_type_node.
3131 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
3132 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
3133 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
3135 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
3136 Daniel Berlin <dberlin@dberlin.org>
3138 * tree-tailcall.c (arg_needs_copy_p): New function.
3139 (eliminate_tail_call): Use arg_needs_copy_p.
3140 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
3141 (add_virtual_phis): New function.
3143 2006-02-02 Jakub Jelinek <jakub@redhat.com>
3145 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
3146 #ignore instead of #scratch for %g7 .register directive.
3148 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
3150 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
3151 object files.
3153 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
3155 * flow.c (calculate_global_regs_live): Assert that there aren't any
3156 EDGE_FAKE edges.
3158 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
3160 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
3161 what its name says.
3162 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
3163 bsi_after_labels iterator.
3164 * tree-if-conv.c (find_phi_replacement_condition,
3165 replace_phi_with_cond_modify_expr): Likewise.
3166 * tree-scalar-evolution.c (scev_const_prop): Likewise.
3167 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
3169 2006-02-02 Diego Novillo <dnovillo@redhat.com>
3171 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
3173 2006-02-02 Diego Novillo <dnovillo@redhat.com>
3175 PR 25990
3176 * tree-cfg.c (move_block_to_fn): Clear out the basic block
3177 array after growing it.
3179 2006-02-01 Steve Ellcey <sje@cup.hp.com>
3181 PR middle-end/24901
3182 * fold-const.c (fold_checksum_tree): Change type of buf.
3184 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
3186 * reload.c (push_secondary_reload): Initialize t_icode.
3188 2006-02-01 Jakub Jelinek <jakub@redhat.com>
3190 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
3191 -msoft-float -mlong-double-128 only issue a warning, but don't
3192 swich to DFmode long double.
3194 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
3196 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
3197 has a constant equivalent, iterate over equivalents for arg0,
3198 calling simplify_relational_operation and if there's a result
3199 cheaper than X, apply fold_rtx and return the result.
3201 2006-02-01 Jan Hubicka <jh@suse.cz>
3203 * opts.c (no_unit_at_a_time_default): New global variable.
3204 (decode_options): Use it.
3205 * opts.h (no_unit_at_a_time_default): Declare.
3207 2006-02-01 Paul Brook <paul@codesourcery.com>
3209 * function.c (assign_parm_setup_reg): Use function argument promotion
3210 rules.
3211 * expr.c (expand_expr_real_1): Use function argument promotion rules
3212 for PARM_DECLs.
3214 2006-02-01 Steve Ellcey <sje@cup.hp.com>
3216 * gcc.c (process_command): Change j to 'unsigned int'.
3218 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
3220 PR middle-end/26001
3221 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
3222 Use the corrected index for the character
3223 out of the string constant.
3225 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
3227 * mode-switching.c (optimize_mode_switching): Fix size
3228 allocated for bb_info[n_entities].
3230 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
3232 * gcc.c (main): Correct type that is allocated for
3233 explicit_link_files.
3235 2006-01-31 Jakub Jelinek <jakub@redhat.com>
3237 * config/s390/s390.c (init_alignment_context): Set
3238 ALIAS_SET_MEMORY_BARRIER on the MEM.
3239 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
3241 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
3243 PR middle-end/25933
3244 * loop-unroll.c (unroll_loop_runtime_iterations): Free
3245 dom_bbs pointer.
3246 * tree-ssa-live.c (type_var_init): Allocate bitmap after
3247 call to tpa_init.
3249 2006-01-31 Marcin Dalecki <martin@dalecki.de>
3251 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
3252 * regrename.c: Ditto.
3253 * tree-ssa-loop-im.c: Ditto.
3254 * tree-dump.c: Ditto.
3255 * tree-complex.c: Ditto.
3256 * genrecog.c: Ditto.
3257 * tree-ssa-threadupdate.c: Ditto.
3258 * tracer.c: Ditto.
3259 * java/class.c: Ditto.
3260 * java/jcf-parse.c: Ditto.
3261 * java/resource.c: Ditto.
3262 * java/except.c: Ditto.
3263 * java/jvspec.c: Ditto.
3264 * java/jcf-write.c: Ditto.
3265 * java/jcf-path.c: Ditto.
3266 * java/gjavah.c: Ditto.
3267 * java/zextract.c: Ditto.
3268 * java/jcf-io.c: Ditto.
3269 * java/jcf.h: Ditto.
3270 * java/buffer.c: Ditto.
3271 * java/lang.c: Ditto.
3272 * java/parse-scan.y: Ditto.
3273 * java/lex.c: Ditto.
3274 * java/lex.h: Ditto.
3275 * cfgloopmanip.c: Ditto.
3276 * postreload-gcse.c: Ditto.
3277 * tree-ssa-loop-manip.c: Ditto.
3278 * postreload.c: Ditto.
3279 * tree-ssa-loop-ch.c: Ditto.
3280 * loop.c: Ditto.
3281 * ipa-cp.c: Ditto.
3282 * cppspec.c: Ditto.
3283 * diagnostic.c: Ditto.
3284 * final.c: Ditto.
3285 * genoutput.c: Ditto.
3286 * gcc.c: Ditto.
3287 * cfghooks.c: Ditto.
3288 * cfgloopanal.c: Ditto.
3289 * objc/objc-act.c: Ditto.
3290 * gcov.c: Ditto.
3291 * genextract.c: Ditto.
3292 * genautomata.c: Ditto.
3293 * pretty-print.c: Ditto.
3294 * genemit.c: Ditto.
3295 * cgraphunit.c: Ditto.
3296 * flow.c: Ditto.
3297 * df-scan.c: Ditto.
3298 * haifa-sched.c: Ditto.
3299 * dominance.c: Ditto.
3300 * dbxout.c: Ditto.
3301 * tree-ssa-loop-ivopts.c: Ditto.
3302 * df-core.c: Ditto.
3303 * mode-switching.c: Ditto.
3304 * modulo-sched.c: Ditto.
3305 * graph.c: Ditto.
3306 * ipa-pure-const.c: Ditto.
3307 * cse.c: Ditto.
3308 * fix-header.c: Ditto.
3309 * web.c: Ditto.
3310 * tree-stdarg.c: Ditto.
3311 * ipa-utils.c: Ditto.
3312 * loop-init.c: Ditto.
3313 * ipa-inline.c: Ditto.
3314 * cfganal.c: Ditto.
3315 * global.c: Ditto.
3316 * alloc-pool.c: Ditto.
3317 * dwarf2out.c: Ditto.
3318 * opts.c: Ditto.
3319 * genattrtab.c: Ditto.
3320 * tree-ssa-loop-ivcanon.c: Ditto.
3321 * predict.c: Ditto.
3322 * timevar.c: Ditto.
3323 * lcm.c: Ditto.
3324 * fortran/gfortranspec.c: Ditto.
3325 * regmove.c: Ditto.
3326 * local-alloc.c: Ditto.
3327 * langhooks.c: Ditto.
3328 * function.c: Ditto.
3329 * tree-vectorizer.c: Ditto.
3330 * gcse.c: Ditto.
3331 * ipa-type-escape.c: Ditto.
3332 * alias.c: Ditto.
3333 * tree-if-conv.c: Ditto.
3334 * profile.c: Ditto.
3335 * ipa.c: Ditto.
3336 * tree-data-ref.c: Ditto.
3337 * loop-unroll.c: Ditto.
3338 * treelang/treetree.c: Ditto.
3339 * calls.c: Ditto.
3340 * bt-load.c: Ditto.
3341 * ggc-common.c: Ditto.
3342 * except.c: Ditto.
3343 * coverage.c: Ditto.
3344 * cselib.c: Ditto.
3345 * tree-cfgcleanup.c: Ditto.
3346 * tree-ssa-pre.c: Ditto.
3347 * cfgcleanup.c: Ditto.
3348 * loop-invariant.c: Ditto.
3349 * loop-iv.c: Ditto.
3350 * ipa-prop.c: Ditto.
3351 * print-tree.c: Ditto.
3352 * conflict.c: Ditto.
3353 * ggc-page.c: Ditto.
3354 * sched-deps.c: Ditto.
3355 * regclass.c: Ditto.
3356 * tree-object-size.c: Ditto.
3357 * combine.c: Ditto.
3358 * bb-reorder.c: Ditto.
3359 * resource.c: Ditto.
3360 * var-tracking.c: Ditto.
3361 * cfgloop.c: Ditto.
3362 * df-problems.c: Ditto.
3363 * reg-stack.c: Ditto.
3364 * tlink.c: Ditto.
3365 * gccspec.c: Ditto.
3366 * sched-rgn.c: Ditto.
3367 * tree-ssa-structalias.c: Ditto.
3368 * tree-ssa-reassoc.c: Ditto.
3369 * config/darwin-c.c: Ditto.
3370 * config/darwin.c: Ditto.
3371 * config/arm/arm.c: Ditto.
3372 * cfgrtl.c: Ditto.
3373 * collect2.c: Ditto.
3374 * reload1.c: Ditto.
3376 2006-01-31 Nicolas Pitre <nico@cam.org>
3378 * arm.md (smaxsi3): Make aware of smax_m1.
3379 (smax_m1): New.
3381 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
3383 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
3385 2006-01-31 Richard Guenther <rguenther@suse.de>
3387 * doc/invoke.texi (-msselibm): Document.
3388 * target.h (expand_library_builtin): New target hook.
3389 * builtins.c (expand_builtin): Use expand_library_builtin.
3390 (default_expand_library_builtin): New function.
3391 * gcc.c (LINK_GCC_MATH_SPEC): Define.
3392 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
3393 (link_gcc_math_spec): Declare.
3394 (static_specs): Add link_gcc_math_spec.
3395 * expr.h (default_expand_library_builtin): Declare.
3396 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
3397 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
3398 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
3399 * config/i386/i386.opt (msselibm): New target option.
3400 * config/i386/i386.c (ix86_builtin_function_variants): New array.
3401 (ix86_init_sse_abi_builtins): New function.
3402 (ix86_expand_library_builtin): Likewise.
3403 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
3404 (override_options): Handle error conditions wrt -msselibm.
3405 (ix86_builtins): Add function codes for SSE2 ABI builtins.
3406 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
3407 * doc/extend.texi (__builtin_sse2_*): Document new target specific
3408 builtins.
3410 2006-01-31 Richard Guenther <rguenther@suse.de>
3411 Paolo Bonzini <bonzini@gnu.org>
3413 * doc/install.texi (--disable-libgcc-math): Document.
3415 2006-01-30 Marcin Dalecki <martin@dalecki.de>
3417 * expr.h (expand_normal): new inline function.
3418 * builtins.c: use it, use EXPAND_NORMAL explicitely.
3419 * dojump.c: use it.
3420 * dwarf2out.c: use it.
3421 * expr.c: use it.
3422 * calls.c: use it.
3423 * expmed.c: use it.
3424 * except.c: use it.
3425 * config/sparc/sparc.c: use it.
3426 * config/i386/i386.c: use it.
3427 * config/rs6000/rs6000.c: use it.
3428 * config/arm/arm.c: use it.
3429 * config/mips/mips.c: use it.
3430 * stmt.c: use it, use EXPAND_NORMAL explicitely.
3432 2006-01-30 Roger Sayle <roger@eyesopen.com>
3434 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
3435 argv to the appropriate type.
3437 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
3439 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
3440 unreachable code.
3442 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
3444 PR target/26018
3445 * config/s390/s390.c (struct machine_function): New flag
3446 decomposed_literal_pool_addresses_ok_p.
3447 (s390_reorg): Set it before final stage of literal pool transforms.
3448 (s390_decompose_address): Only accept displacements of the form
3449 (minus (label_ref ...) (label_ref ...)) if that flag is set.
3451 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
3453 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
3454 the comparison routine return.
3456 2006-01-30 Michael Matz <matz@suse.de>
3458 * global.c (find_reg): Only evict for global regs.
3459 Take n_refs into account and dump more info.
3461 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
3463 PR target/14798:
3464 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
3465 (pragma_trap, pragma_nosave_low_regs): Likewise.
3466 (current_function_anonymous_args): Likewise.
3467 (sh_deferred_function_attributes): New variable.
3468 (sh_deferred_function_attributes_tail): Likewise.
3469 (print_operand): For '@', look up trap_exit attribute.
3470 (calc_live_regs): Look up trapa_handler attribute. For trapa
3471 handlers, save/restore fpscr, but don't do any other
3472 interrupt-specific saves.
3473 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
3474 Fix check for partially saved registers to check for SHmedia.
3475 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
3476 (sh_output_function_epilogue): Don't clear any of the removed
3477 variables.
3478 (sh_insert_attributes): Don't check pragma_interrupt.
3479 Insert deferred attributes. Check that interrupt attribute is
3480 present for other attributes that require its presence.
3481 (sh_attribute_table): Add new attributes trapa_handler and
3482 nosave_low_regs.
3483 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
3484 Don't check for pragma_interrupt. Don't store argument.
3485 * sh.h (pragma_interrupt, sp_switch): Don't declare.
3486 (sh_deferred_function_attributes): Declare.
3487 (sh_deferred_function_attributes_tail): Likewise.
3488 * sh.md (sp_switch_1): Add operand. Change generator caller.
3489 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
3490 (*return_i): Don't use when trap_exit attribute is in effect.
3491 (*return_trapa): New insn pattern.
3492 * sh-c.c: New file.
3493 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
3494 setting c_target_objs and cxx_target_objs.
3495 * t-sh: Add rule for sh-c.o.
3497 2006-01-30 Richard Guenther <rguenther@suse.de>
3499 PR c++/23372
3500 * gimplify.c (gimplify_target_expr): Handle easy cases
3501 without creating a temporary.
3503 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
3505 * vec.h (safe_grow): Remove duplicated line.
3507 2006-01-29 Diego Novillo <dnovillo@redhat.com>
3509 PR 25874
3510 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
3511 (expand_omp): ... here.
3512 (expand_omp_parallel): Only remove barriers for combined
3513 parallel+workshare constructs.
3515 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
3517 Revert
3519 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
3520 * tree.c (build_qualified_type): Chain the new type to the original
3521 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
3522 a POINTER_TYPE or a REFERENCE_TYPE respectively.
3523 (build_pointer_type_for_mode): Only return unqualified types.
3524 (build_reference_type_for_mode): Likewise.
3526 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
3528 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
3529 * Makefile.in (CXX_COMPAT_WARN): Define.
3530 * configure: Regenerate.
3532 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
3534 PR tree-opt/25911
3535 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
3536 to an if check.
3538 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
3540 * toplev.c: Fix thinko.
3542 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
3543 Marcin Dalecki <martin@dalecki.de>
3545 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
3546 (push_srcloc): Use XNEW.
3547 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
3549 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
3551 * df-core.c (df_set_blocks): Deleted all variable.
3553 2006-01-28 Ian Lance Taylor <ian@airs.com>
3555 * cgraphunit.c (cgraph_assemble_pending_functions): Call
3556 cgraph_output_pending_asms.
3558 2006-01-28 Zack Weinberg <zackw@panix.com>
3560 * c.opt: Add -W(no-)overlength-strings.
3561 * doc/invoke.texi: Document it.
3562 * c-opts.c (c_common_handle_option): -pedantic implies
3563 -Woverlength-strings, if not explicitly disabled already.
3564 (c_common_post_options): -Woverlength-strings defaults to off, and
3565 is always off for C++.
3566 * c-common.c (fix_string_type): Issue warning about strings longer
3567 than is portable only if warn_overlength_strings. Rearrange code
3568 a little for clarity.
3569 * configure.in: Check for -Wno-overlength-strings as well before
3570 enabling -pedantic in stage 1.
3571 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
3572 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
3574 * genconditions.c (write_header, write_one_condition)
3575 (write_conditions, write_writer): Consolidate very long strings
3576 that were broken up to fit in C89 portable limit. Don't use
3577 printf when fputs will do.
3579 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
3581 * combine.c (simplify_comparison <AND>): Check
3582 TRULY_NOOP_TRUNCATION before start using a subreg.
3584 * config/mips/mips.md (*branch_zero<mode>,
3585 *branch_zero<mode>_inverted, *branch_equality<mode>,
3586 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
3587 Remove mode check from comparisons.
3589 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
3591 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
3593 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
3595 * expmed.c (const_mult_add_overflow_p): Remove.
3596 * expr.h: Remove the prototype for const_mult_add_overflow_p.
3598 * recog.c (validate_replace_rtx_subexp): Remove.
3599 * recog.h: Remove the prototype for
3600 validate_replace_rtx_subexp.
3602 * integrate.h: Remove the prototype for
3603 copy_decl_for_inlining.
3604 * rtl.h: Remove the prototype for mark_constant_function.
3605 * tree-vectorizer.h: Remove the prototype for
3606 vect_strip_conversion.
3608 * modulo-sched.c (create_partial_schedule,
3609 free_partial_schedule, reset_partial_schedule): Make them
3610 static.
3612 * hooks.c (hook_bool_rtx_int_false): Remove.
3613 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
3615 2006-01-28 David Edelsohn <edelsohn@gnu.org>
3617 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
3618 and -mlong-double-128 are incompatible.
3619 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
3620 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
3621 (TARGET_LIBGCC2_CFLAGS): Define.
3622 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
3623 (TARGET_LIBGCC2_CFLAGS): Same.
3624 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
3626 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
3628 PR c/19606.
3629 * c-typeck.c (build_binary_op): Perform implicit casts of
3630 operands before shortening them.
3632 * cfgloopmanip.c (split_loop_bb): Remove.
3633 * cfgloop.h: Remove the prototype for split_loop_bb.
3635 * cfgloop.c (flow_loop_outside_edge_p): Remove.
3636 * cfgloop.h: Remove the prototype for
3637 flow_loop_outside_edge_p.
3639 * emit-rtl.c (init_virtual_regs): Make it static.
3640 * function.h: Remove the prototype for init_virtual_regs.
3642 * recog.c (peephole2_optimize): Make it static.
3643 * recog.h: Remove the prototype for peephole2_optimize.
3645 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
3647 * df-scan.c (df_record_entry_block_defs): Check if
3648 INCOMING_RETURN_ADDR_RTX is defined.
3650 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
3651 Kenneth Zadeck <zadeck@naturalbridge.com>
3653 PR rtl-optimization/24762
3654 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
3655 * targhooks.c (hook_void_bitmap): New hook prototype.
3656 * targhoohs.h (hook_void_bitmap): Ditto.
3657 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
3658 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
3659 * target.h (live_on_entry): New function pointer.
3660 * df-scan.c (df_all_hard_regs): Removed.
3661 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
3662 (df_scan_free_internal): Added df->entry_block_defs.
3663 (df_scan_alloc): Ditto.
3664 (df_scan_dump): Ditto.
3665 (df_uses_record): Plumbed flag field properly thru calls.
3666 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
3667 This part fixes PR24762.
3668 (df_bb_refs_record): Added code to make the frame and arg
3669 pointers live in EH blocks.
3670 (df_refs_record): Added call to df_record_entry_block_defs.
3671 (df_record_entry_block_defs): New function.
3672 * df-core.c: Added comments to describe new artifical defs.
3673 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
3674 (entry_block_defs): New field in struct df.
3675 (df_all_hard_regs): Deleted.
3676 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
3677 * df-problems.c (df_ru_bb_local_compute_process_def):
3678 Added code to handle artifical defs in the entry to a function.
3679 (df_ru_bb_local_compute): Ditto.
3680 (df_rd_bb_local_compute_process_def): Ditto.
3681 (df_rd_bb_local_compute): Ditto.
3682 (df_lr_bb_local_compute): Ditto.
3683 (df_ur_bb_local_compute): Ditto.
3684 (df_urec_bb_local_compute): Ditto.
3685 (df_chain_create_bb): Ditto.
3686 (df_ur_local_finalize): Removed entry.
3687 (df_urec_init): Ditto.
3688 (df_urec_local_finalize): Ditto.
3689 (df_ri_bb_compute): Added detection of last use of pseudos.
3690 * Makefile.in (df-scan.o): Updated dependencies.
3691 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
3692 * config/mips/mips.c (mips_set_live_on_entry): Added.
3693 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
3694 for target hook.
3695 * dce.c (marked_insn_p): Added code to handle artifical defs.
3697 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
3699 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
3700 intrinsic.
3701 (_mm_cvtsi128_si64): Likewise.
3702 (_mm_cvtsd_si64): Likewise.
3703 (_mm_cvttsd_si64): Likewise.
3704 (_mm_cvtsi64_sd): Likewise.
3705 (_mm_cvtsi64_si128): Likewise.
3706 * config/i386/mmintrin.h (_m_from_int64): Likewise.
3707 (_mm_cvtsi64_m64): Likewise.
3708 (_m_to_int64): Likewise.
3709 (_mm_cvtm64_si64): Likewise.
3710 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
3711 (_mm_cvttss_si64): Likewise.
3712 (_mm_cvtsi64_ss): Likewise.
3713 (_mm_cvtss_f32): Likewise.
3715 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
3717 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
3718 for pragma redefine_extname.
3720 2006-01-27 Jakub Jelinek <jakub@redhat.com>
3722 PR target/25864
3723 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
3724 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
3725 -mno-minimal-toc to previous content.
3726 (bispecs): Remove goal.
3727 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
3728 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
3729 compatibility aliases on powerpc-*-*gnu*.
3730 * config/rs6000/libgcc-ppc-glibc.ver: New file.
3731 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
3732 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
3733 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
3734 (ldblspecs): New goal.
3735 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
3736 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
3737 _df_to_tf.
3738 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
3739 L_sf_to_tf or L_df_to_tf is defined.
3741 2006-01-27 David Edelsohn <edelsohn@gnu.org>
3742 Alan Modra <amodra@bigpond.net.au>
3744 PR target/25864
3745 * config/rs6000/linux.h (POWERPC_LINUX): Define.
3746 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
3747 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
3748 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
3749 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
3750 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
3751 (rs6000_override_options): Initialize rs6000_ieeequad.
3752 Initialize TFmode format to ibm_extended_format if not
3753 TARGET_IEEEQUAD.
3754 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
3755 ieeelongdouble.
3756 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
3757 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
3758 (function_arg_advance): IBM long double passed in two FPRs, not
3759 split.
3760 (function_arg): IBM long double passed in FPRs.
3761 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
3762 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
3763 Only multireg GPR aligned.
3764 (rs6000_init_libfuncs): Enable IBM long double functions if not
3765 IEEEQUAD.
3766 (rs6000_generate_compare): Use IBM long double compare if not
3767 TARGET_IEEEQUAD.
3768 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
3769 (TARGET_IEEEQUAD): Define.
3770 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
3771 not TARGET_IEEEQUAD.
3772 * config/rs6000/rs6000.md: Enable TFmode patterns if
3773 !TARGET_IEEEQUAD.
3774 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
3775 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
3776 and -mlong-double-128 are incompatible.
3777 * doc/invoke.texi (-mabi): Collect options together. Add
3778 ibmlongdouble and ieeelongdouble.
3780 2006-01-27 Richard Sandiford <richard@codesourcery.com>
3782 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
3783 opaque type.
3784 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
3785 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
3786 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
3787 * rtl.h (rtunion_def): Remove rt_ptr.
3788 (X0PTR): Delete.
3789 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
3790 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
3791 * config/i386/winnt.c (i386_pe_mark_dllexport)
3792 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
3794 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
3796 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
3798 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
3800 PR other/24829
3801 PR target/24831
3802 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
3803 pthread_key_delete. From John David Anglin. gthrw-ify
3804 pthread_getunique_np only if it it's not a macro. Delete
3805 UNUSED macro.
3806 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
3807 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
3808 __gthread_objc_condition_signal, __gthread_key_delete): Add
3809 "__attribute__ ((__unused__))" to unused arguments.
3810 (__gthread_recursive_mutex_init_function): Add missing return.
3811 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
3812 gthr-posix95.h: Use macro-based approach for name redirection
3813 on targets missing weakref.
3815 2006-01-26 Zack Weinberg <zackw@panix.com>
3817 * genconditions.c (write_header): In generated code, #ifdef out
3818 all includes and fake declarations, except includes of bconfig.h
3819 and system.h, unless GCC_VERSION >= 3001. Do not include
3820 gensupport.h in any case.
3821 (write_conditions): Generate a definition of struct c_test. Add
3822 a comment to the generated #endif.
3823 (write_one_condition): Escape backslashes in string too.
3824 (write_writer): Generated code must escape backslashes and quote
3825 marks (but not newlines) in the strings it writes.
3826 * Makefile.in (build/gencondmd.o): Update dependencies.
3828 2006-01-26 Steve Ellcey <sje@cup.hp.com>
3830 PR target/25961
3831 * Makefile.in (insn-automata.o): Add header file dependencies.
3832 * genautomata.c: Add includes.
3834 2006-01-26 Steve Ellcey <sje@cup.hp.com>
3836 PR target/25961
3837 * Makefile.in (insn-automata.o): Add -Wno-error flag.
3839 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
3841 * configure.ac: Expect target tools paths to be passed from the toplevel
3842 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
3843 AS_SET_VAR_IF.
3844 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
3846 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
3848 PR c/25892
3849 * c.opt (Wpointer-sign): Init to -1.
3850 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
3851 OPT_pedantic, to 0 otherwise.
3852 * doc/invoke.texi: Update.
3854 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
3856 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
3857 constants provided by 80387 instructions in the destination mode.
3859 2006-01-26 Richard Guenther <rguenther@suse.de>
3860 Andrew Pinski <pinskia@physics.uc.edu>
3862 PR tree-opt/21470
3863 partial PR tree-opt/17064
3864 * tree-ssa-structalias.c (intra_create_variable_infos):
3865 Create heap variables for incoming parameters if
3866 flag_argument_noalias > 1.
3867 (find_what_p_points_to): Look through default defs of
3868 parameter decls.
3870 2006-01-26 Jeff Law <law@redhat.com>
3872 PR ada/25900
3873 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
3874 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
3875 within the VR_RANGE, use the VR_RANGE as the result, not the
3876 VR_ANTI_RANGE.
3877 (adjust_range_with_scev): Reject ranges from SCEV which are out of
3878 bounds for the type.
3880 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
3882 * tree-ssa-alias.c (maybe_create_global_var): Change
3883 subvar walking to an assertion that we don't have subvar'd variables.
3885 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
3887 PR C/25861
3888 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
3889 Use a new variable, inner. PARM_DECLs are always non-weak.
3891 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
3893 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
3894 --disable-checking.
3896 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
3898 * config/mips/mips.md (*clear_upper32): New combiner pattern.
3900 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
3902 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
3903 (smax_insn, smin_insn, smax_0, smin_0): New.
3905 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
3907 PR target/25947
3908 * config/cris/cris.c (cris_order_for_addsi3): New function.
3909 * config/cris/cris-protos.h: Prototype it.
3910 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
3911 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
3912 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
3913 (split for "op.S1 [rx=rx+i],ry (swapped)")
3914 (split for "op(s|u).S1 [rx=rx+i],ry")
3915 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
3916 Apply cris_order_for_addsi3 when generating addsi3 insns.
3918 2006-01-25 Diego Novillo <dnovillo@redhat.com>
3920 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
3921 (TREE_BLOCK): Add call to EXPR_CHECK.
3923 2006-01-25 Diego Novillo <dnovillo@redhat.com>
3925 PR 25886
3926 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
3927 * tree-pretty-print.c (dump_omp_clause): Extract from ...
3928 (dump_omp_clauses): ... here.
3929 (dump_generic_node): Handle OMP_CLAUSE.
3930 * tree.c (omp_clause_num_ops): New.
3931 (omp_clause_code_name): New.
3932 (tree_code_size): Handle OMP_CLAUSE.
3933 (tree_size): Likewise.
3934 (make_node): Document handling of OMP_CLAUSE.
3935 (tree_node_structure): Handle OMP_CLAUSE.
3936 (omp_clause_check_failed): New.
3937 (omp_clause_range_check_failed): New.
3938 (omp_clause_operand_check_failed): New.
3939 (build_omp_clause): New.
3940 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
3941 * tree.h (enum omp_clause_code): Declare.
3942 (OMP_CLAUSE_SUBCODE_CHECK): Define.
3943 (OMP_CLAUSE_RANGE_CHECK): Define.
3944 (OMP_CLAUSE_ELT_CHECK): Define.
3945 (omp_clause_check_failed): Declare.
3946 (omp_clause_operand_check_failed): Declare.
3947 (omp_clause_range_check_failed): Declare.
3948 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
3949 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
3950 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
3951 (OMP_CLAUSE_LASTPRIVATE): Likewise.
3952 (OMP_CLAUSE_IF_EXPR): Likewise.
3953 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
3954 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
3955 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
3956 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
3957 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
3958 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
3959 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
3960 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
3961 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
3962 (OMP_CLAUSE_CODE): Define.
3963 (OMP_CLAUSE_SET_CODE): Define.
3964 (OMP_CLAUSE_CODE): Define.
3965 (OMP_CLAUSE_OPERAND): Define.
3966 (struct tree_omp_clause): Declare.
3967 (union tree_node): Add field 'omp_clause'.
3968 * treestruct.def (TS_OMP_CLAUSE): Define.
3969 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
3970 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
3971 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
3972 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
3973 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
3974 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
3975 (OMP_CLAUSE): Define.
3976 * print-tree.c (print_node): Handle OMP_CLAUSE.
3977 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
3978 * c-typeck.c: Likewise.
3979 * gimplify.c: Likewise.
3980 * c-omp.c: Likewise.
3981 * tree-nested.c: Likewise.
3982 * tree-inline.c: Likewise.
3983 * c-parser.c: Likewise.
3984 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
3985 clauses.
3987 2006-01-25 Roger Sayle <roger@eyesopen.com>
3989 PR rtl-optimization/25703
3990 * combine.c (try_combine): Handle zero_extract and strict_low_part
3991 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
3993 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
3995 * global.c: Fix comment typos.
3997 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
3999 PR target/25758
4000 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
4001 Use output_addr_const instead of assemble_name.
4003 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
4005 * Makefile.in (sched-vis.o): Update dependencies.
4006 * haifa-sched.c (sched_finish): Clear current_sched_info.
4007 * cfg.c (dump_bb_info): New, split from dump_flow_info.
4008 (dump_flow_info): Call it.
4009 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
4010 a slim RTL dump.
4011 * basic-block.h (dump_bb_info): Declare.
4012 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
4013 option, and apply options only for dump files whose TDF_RTL,
4014 TDF_TREE, or TDF_IPA bits match.
4015 * rtl.h: Declare new functions exported from sched-vis.c.
4016 * sched-vis.c: Enable also if scheduling is not used.
4017 (print_value): Print the mode of registers if not inside scheduling.
4018 (print_insn): Make it work outside the scheduler. Beautify the output
4019 a bit.
4020 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
4022 2006-01-25 Richard Sandiford <richard@codesourcery.com>
4024 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
4025 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
4026 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
4027 depending on the value of CONSTANT_POOL_ADDRESS_P.
4028 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
4029 SYMBOL_REF_DECL.
4030 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
4031 rather than SYMBOL_REF_DECL.
4032 (rtx_constant_pool): Remove const_rtx_sym_htab.
4033 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
4034 (init_varasm_status): Don't initialize const_rtx_sym_htab.
4035 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
4036 Remove handling of const_rtx_sym_htab.
4037 (find_pool_constant): Delete.
4038 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
4039 rather than find_pool_constant.
4040 (get_pool_constant_for_function): Delete.
4041 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
4042 find_pool_constant.
4043 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
4044 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
4045 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
4046 (SYMBOL_REF_CONSTANT): New macro.
4047 (get_pool_constant_for_function): Delete.
4048 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
4049 rather than SYMBOL_REF_DECL.
4050 (i386_pe_mark_dllimport): Likewise.
4051 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
4052 rather than SYMBOL_REF_DECL.
4053 * config/darwin.c (machopic_indirect_data_reference): Likewise.
4054 (machopic_indirect_call_target): Likewise.
4056 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
4058 * flow.c (delete_noop_moves): Add missing EOL to dump message.
4060 2006-01-25 Richard Sandiford <richard@codesourcery.com>
4062 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
4064 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
4066 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
4068 2006-01-24 David Daney <ddaney@avtrex.com>
4070 PR java/25816
4071 * configure.ac (enable_tls): New enable option.
4072 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
4073 * configure: Regenerate.
4074 * doc/install.texi (--enable-tls): Document new option.
4075 (--disable-tls): Ditto.
4077 2006-01-24 Richard Henderson <rth@redehat.com>
4079 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
4080 * alias.c (true_dependence): Respect it.
4081 (canon_true_dependence, write_dependence_p): Likewise.
4082 * builtins.c (get_builtin_sync_mem): Set it.
4084 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
4086 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
4087 efficient way.
4089 2006-01-24 DJ Delorie <dj@redhat.com>
4091 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
4092 for storing constants in single-bit bitfields.
4094 2006-01-25 Ben Elliston <bje@au.ibm.com>
4096 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
4098 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
4100 PR tree-opt/25860
4101 * tree-ssa-pre.c (phi_translate): Return NULL
4102 for AGGREGATE_TYPE's.
4104 2006-01-24 Zack Weinberg <zackw@panix.com>
4106 * genautomata.c (process_state_for_insn_equiv_partition):
4107 Use xcalloc for insn_arcs_array.
4108 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
4109 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
4111 2006-01-24 Richard Henderson <rth@redhat.com>
4113 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
4114 update all callers.
4116 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
4118 PR rtl-optimization/25890
4119 PR rtl-optimization/25905
4120 * combine.c (expand_compound_operation, expand_field_assignment):
4121 Fail if the bitfield's final position is out of bounds.
4123 2006-01-24 Ian Lance Taylor <ian@airs.com>
4125 PR middle-end/25930
4126 * cgraphunit.c (cgraph_output_in_order): Don't clear
4127 cgraph_asm_nodes until after asm strings have been output.
4129 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
4131 * fix-header.c (read_scan_file): Add new parameter imultilib when
4132 calling register_include_chains.
4134 2006-01-23 Diego Novillo <dnovillo@redhat.com>
4136 * omp-low.c: Update documentation.
4138 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
4139 Daniel Berlin <dberlin@dberlin.org>
4141 PR tree-opt/25315
4142 PR tree-opt/25857
4143 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
4144 return from the function.
4146 2006-01-22 Zack Weinberg <zackw@panix.com>
4148 * rtl.def (match_code): Add second argument.
4149 * genpreds.c (write_extract_subexp): New function.
4150 (write_match_code): Add path argument. Use write_extract_subexp.
4151 (write_predicate_expr): Pass path to write_match_code.
4152 (mark_mode_tests): MATCH_CODE applied to a subexpression does
4153 not perform a mode test.
4154 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
4155 a subexpression does not constrain the top-level code set.
4156 * read-rtl.c (read_rtx_variadic): New function.
4157 (read_rtx_1): Use it; allow AND and IOR to be variadic.
4158 * doc/md.texi: Document new notation.
4159 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
4160 (cmpsi_operand): ... here, using new notation.
4162 2006-01-22 Zack Weinberg <zackw@panix.com>
4164 * varray.c: Remove GENERATOR_FILE #ifdefs.
4166 2006-01-22 Zack Weinberg <zackw@panix.com>
4168 * genautomata.c (output_reserved_units_table): Emit nothing if
4169 description->query_units_num is zero. Remove extra blank line.
4170 (output_cpu_unit_reservation_p): Short circuit
4171 if description->query_units_num is zero.
4173 2006-01-22 Zack Weinberg <zackw@panix.com>
4175 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
4176 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
4177 nor any of the random handful of variables that used to be necessary
4178 when this program was linked with rtlanal.o. Prune set of forward
4179 function declarations.
4180 (struct attr_desc): Remove static_p field.
4181 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
4182 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
4183 (attr_string): Do not read the character one past the length of
4184 the string.
4185 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
4186 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
4187 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
4188 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
4189 (make_automaton_attrs): New.
4190 (main): Do not call into genautomata. Call local gen_bypass
4191 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
4192 Remove special case for insn_alts.
4193 * genautomata.c: Include gensupport.h; not genattrtab.h nor
4194 varray.h (leftover from previous change). Prune set of forward
4195 function declarations. Remove state_alts fields from all
4196 structures. Remove state_alts_table from struct automaton.
4197 Make everything except main static. Do not maintain num_dfa_decls.
4198 Do not maintain state_alts fields of various structures.
4199 (process_decls): Don't validate condexp for dm_insn_reserv decls.
4200 (add_arc): Remove state_alts argument. All callers updated.
4201 (output_reserved_units_table): Emit #ifdef here...
4202 (output_tables): ...not here. Don't generate state_alts tables.
4203 (expand_automata): Don't generate attributes.
4204 (write_automata): Don't generate state_alts functions.
4205 (main): New function.
4206 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
4207 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
4208 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
4209 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
4210 (BYPASS_P_FUNC_NAME, output_state_alts_table)
4211 (output_automata_list_state_alts_code, output_internal_state_alts_func)
4212 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
4213 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
4214 Delete.
4215 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
4216 * genattrtab.h: Delete file.
4217 * Makefile.in (OBJS-common): Add insn-automata.o.
4218 (insn-automata.o): New rule.
4219 (simple_generated_c): Add insn-automata.c.
4220 (build/genattrtab.o, build/genautomata.o): Update dependencies.
4221 (genprogmd): Add automata.
4222 (build/genattrtab): Needs no extra objects nor libraries.
4223 (build/genautomata): Needs build/vec.o and -lm.
4225 2006-01-22 Zack Weinberg <zackw@panix.com>
4227 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
4228 (output_dfa_max_issue_rate, locked_states_num): Delete.
4229 (struct automaton): Add locked_states field.
4230 (output_dead_lock_vect): Save number of locked states in
4231 automaton->locked_states. If it is zero, don't print anything.
4232 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
4233 (output_internal_dead_lock_func): Only test the dead_lock_vect
4234 for automata that have locked states.
4235 (output_statistics): Always print the number of locked states for
4236 each automaton. Calculate total number of locked states here.
4237 (write_automata): Don't call output_dfa_max_issue_rate.
4238 * genattrtab.c: Define length_unit_log as a const variable.
4239 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
4240 max_insn_queue_index const.
4241 * final.c (length_unit_log): Declare const.
4242 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
4244 2006-01-22 Zack Weinberg <zackw@panix.com>
4246 * genautomata.c: Include vec.h, not varray.h.
4247 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
4248 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
4249 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
4250 VEC_* macros operating on appropriately typed vectors, or to
4251 malloced arrays when the size is known in advance. Const-ify
4252 many char* variables and function arguments. No functional changes.
4253 * Makefile.in (build/varray.o): Delete rule.
4254 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
4255 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
4257 2006-01-22 Zack Weinberg <zackw@panix.com>
4259 * gensupport.c: Define get_insn_name and record_insn_name here.
4260 (read_md_rtx): Call record_insn_name as appropriate.
4261 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
4262 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
4263 * genpreds.c, genrecog.c: Don't define get_insn_name nor
4264 record_insn_name.
4265 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
4266 (BUILD_VARRAY): Delete.
4267 (genprognormal): Rename genprogmd. Fold in all programs from
4268 genprognoprint; also attrtab.
4269 (build/genattrtab): Just mention genautomata.o and varray.o.
4270 Reorganize a bit, add comments to make the categories clearer.
4272 2006-01-22 Zack Weinberg <zackw@panix.com>
4274 * genconditions.c (condition_table, add_condition): Delete.
4275 (write_conditions): Don't emit n_insn_conditions nor
4276 insn_elision_unavailable. Issue the gcc version #ifdef here,
4277 inside the table, with no #else clause ...
4278 (write_header): ...not here.
4279 (write_writer): New function.
4280 (main): Don't initialize condition_table. Use add_c_test.
4281 Call write_writer.
4282 * gensupport.c (init_md_reader_args_cb): Handle multiple input
4283 files on the command line.
4284 (maybe_eval_c_test): Don't check insn_elision_unavailable.
4285 Return -1 if there is no entry in the table, don't abort.
4286 (add_c_test, traverse_c_tests): New functions.
4287 * gensupport.h (insn_elision_unavailable, insn_conditions)
4288 (n_insn_conditions): Delete declarations.
4289 (add_c_test, traverse_c_tests): Declare.
4290 * read-rtl.c: Include gensupport.h.
4291 (read_conditions): New function.
4292 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
4293 (read_rtx_1): If we get EOF when we were looking for an initial
4294 open paren, return 0. Call read_conditions when appropriate.
4295 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
4296 dummy-conditions.o. Eliminate references to insn-conditions.o,
4297 or change them to build/gencondmd.o, as appropriate. Remove
4298 insn-constants.h from $(simple_generated_h) and insn-conditions.c
4299 from $(simple_generated_c). For all files remaining in those
4300 two lists, add insn-conditions.md to the generator command line.
4301 Give insn-constants.h/s-constants their own rules. Add rules
4302 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
4303 (build/read-rtl.o): Depend on gensupport.h.
4304 (genprognormal): Include preds.
4305 (genprogearly): Rename genprognoprint; only difference is now that
4306 they don't link with $(BUILD_PRINT).
4307 * dummy-conditions.c: Delete.
4309 2006-01-22 Zack Weinberg <zackw@panix.com>
4311 * genextract.c: Don't include insn-config.h. Do include vec.h.
4312 Declare vectors of int, char, and locstr.
4313 (locstr): New typedef.
4314 (struct extraction): Make all array fields into bare pointers.
4315 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
4316 (insn_code_number): Delete.
4317 (accum_extract): New struct.
4318 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
4319 (gen_insn): Take insn_code_number as an argument. Use an
4320 accum_extract structure instead of loading data directly into
4321 a struct extraction, and having to know how big it might get.
4322 (walk_rtx): Operate entirely on an accum_extract structure.
4323 (print_path): Avoid unnecessary use of printf.
4324 (print_header): New function, split out of main. Distinguish
4325 more carefully between an unrecognizable insn and an insn that
4326 has the code number of a define_expand.
4327 (main): Pass insn_code_number to gen_insn. Call print_header
4328 only after parsing. Avoid unnecessary use of printf.
4329 * Makefile.in (build/vec.o): New rule.
4330 (build/genextract): Depend on build/vec.o.
4331 (build/genextract.o): Don't depend on insn-config.h.
4333 2006-01-22 Zack Weinberg <zackw@panix.com>
4335 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
4336 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
4337 practical. Eliminate per-generator-program link rules.
4339 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
4341 PR middle-end/24437
4342 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
4343 with a call expr to ...
4344 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
4346 2006-01-23 Richard Guenther <rguenther@suse.de>
4348 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
4349 before make_edge with conditional EDGE_TRUE_VALUE.
4351 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
4352 Jan Hubicka <jh@suse.cz>
4353 Richard Guenther <rguenther@suse.de>
4355 PR rtl-optimization/25654
4356 * cfgexpand.c (aggregate_contains_union_type): New function.
4357 (add_alias_set_conflicts): Call it. Make sure to add conflicts
4358 for structure variables that contain a union type.
4360 2006-01-23 Richard Sandiford <richard@codesourcery.com>
4362 * gengtype.c (new_structure): Return the structure.
4363 (create_option): Add an extra "next" argument.
4364 (create_field): New function.
4365 (adjust_field_rtx_def): Use create_option and create_field.
4366 Remove a now-unnecessary call to find_structure.
4367 (adjust_field_tree_def): Likewise.
4368 (note_yacc_type): Remove an unnecessary call to find_structure.
4369 * gengtype.h (new_structure): Return the structure.
4370 (create_option): Add an extra argument.
4371 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
4372 (option): Adjust calls to create_option.
4374 2006-01-22 David Edelsohn <edelsohn@gnu.org>
4376 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
4378 2006-01-22 Paul Brook <paul@codesourcery.com>
4379 Peter Barada <peter@the-baradas.com>
4381 * config/m68k/m68k.md: Add Coldfire FPU support.
4382 Define FP mode macro and associated attributes.
4383 Use it for float mode patterns.
4384 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
4385 (LIBCALL_VALUE): Use m68k_libcall_value.
4386 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
4387 (m68k_function_value): Ditto.
4388 (emit_move_sequence): Ditto.
4389 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
4390 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
4391 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
4392 (MULTILIB_EXCEPTIONS): Ditto.
4393 * config/m68k/m68k.opt: Add mcfv4e.
4394 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
4395 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
4396 (m68k_output_function_prologue): Save ColdFire FPU registers.
4397 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
4398 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
4399 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
4400 ColdFire FPU registers.
4401 (m68k_libcall_value, m68k_function_value): New functions.
4402 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
4403 (LIBCALL_VALUE): Use m68k_libcall_value.
4404 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
4405 (MASK_COLDFIRE): Add MASK_CFV4E.
4406 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
4407 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
4408 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
4409 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
4410 (GO_IF_LEGITIMATE_ADDRESS): Use it.
4411 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
4412 * doc/invoke.tex: Document -mcfv4e on m68k.
4414 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
4416 * doc/contribute.texi: Change CVS to SVN and update the corresponding
4417 URL.
4419 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
4421 PR c++/16190
4422 * c-opts.c (c_common_handle_option): Don't include
4423 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
4424 * doc/invoke.texi (C++ Dialect Options): Document that
4425 -Wnon-virtual-dtor is no longer included in -Wall.
4427 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
4429 * gcov.c (print_version), gcov-dump.c (print_version),
4430 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
4431 dates.
4433 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
4435 * df-scan.c (problem_SCAN): Added NULL reset function.
4436 (df_scan_reset_blocks): Added code to call reset block function
4437 (df_bb_refs_delete) Fixed comment.
4438 (df_insn_refs_delete): Made tolerant of deleting non existent info
4439 for dataflow problems that need to be reset.
4440 * df-core.c (df_set_blocks): Ditto.
4441 * df.h (struct df_problem): Added reset_fun.
4442 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
4443 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
4444 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
4445 functions to clear out all references to def-use or use-def chains.
4447 2006-01-21 Ben Elliston <bje@au.ibm.com>
4449 * varasm.c (assemble_real): Initialise data array.
4451 2006-01-20 Paul Brook <paul@codesourcery.com>
4453 Merge from csl-arm-branch.
4454 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
4455 * config/arm/arm.md (movdi): Force operands[1] to a register
4456 if we have a non-register source.
4457 (*arm_movdi, *movdf_soft_insn): Require that one of the
4458 operands be a register.
4459 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
4460 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
4462 2006-01-20 DJ Delorie <dj@redhat.com>
4464 * varasm.c (initialize_constant_valid_p): Allow pointers
4465 initialized from integer constants of lesser precision.
4466 (output_constant): Allow non-int-sized pointer modes to be
4467 initialized from integer constants.
4469 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
4471 PR libstdc++/25524
4472 * cppdefault.h (struct default_include): Add multilib flag.
4473 * cppdefault.c (cpp_include_defaults): Set it.
4474 * c.opt (-imultilib): New option.
4475 * c-opts.c (imultilib): New.
4476 (c_common_handle_option): Handle -imultilib.
4477 (c_common_post_options): Likewise.
4478 * c-incpath.c (add_standard_paths, register_include_chains):
4479 Likewise.
4480 * c-incpath.h (register_include_chains): Add extra parameter.
4481 * gcc.c (do_spec_1): Generate -imultilib option.
4482 (The Specs Language): Update %I description.
4483 (process_command): Update copyright notice.
4484 * doc/cppopts.texi (-imultilib): Document.
4485 * doc/invoke.texi (-imultilib): Include in option summary.
4486 (%I): Update specs documentation.
4488 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
4490 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
4492 2006-01-20 Richard Sandiford <richard@codesourcery.com>
4494 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
4495 label numbers.
4497 2006-01-20 Richard Guenther <rguenther@suse.de>
4498 Steven Bosscher <stevenb.gcc@gmail.com>
4500 PR rtl-optimization/24626
4501 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
4502 EDGE_TRUE_VALUE if in RTL mode.
4504 Revert
4505 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
4506 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
4508 2006-01-20 Dirk Mueller <dmueller@suse.com>
4510 PR c++/5520
4511 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
4512 instead of a special NOP marker.
4513 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
4514 NOP marker handling.
4515 * c-common.h (empty_body_warning): Add forward declaration.
4516 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
4517 Now uses IS_EMPTY_STMT() instead of special NOP markers.
4519 2006-01-20 Paul Brook <paul@codesourcery.com>
4521 * Makefile.in (lang_checks): Keep going if mkdir fails.
4523 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
4525 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
4526 be able to clean out basic block when not necessary.
4527 (df_scan_free): Fixed to properly delete information if df is
4528 unused before calling df_finish.
4529 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
4530 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
4531 or comment typos.
4532 (df_bb_refs_delete): New function.
4533 (df_refs_delete): Moved per block code to df_bb_refs_delete.
4534 * df-core.c (df_set_blocks): Added code to properly clean out
4535 unused blocks if they are not part of the blocks to consider.
4536 Added additional null check.
4537 (df_compact_blocks): Added basic block parameter to free_bb_fun to
4538 be able to clean out basic block when not necessary
4539 * df.h (df_free_bb_function): Ditto.
4540 (df_bb_refs_delete): New function.
4541 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
4542 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
4543 basic block parameter to be able to clean out basic block when not
4544 necessary.
4545 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
4546 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
4547 Fixed to properly delete information if df is unused before
4548 calling df_finish.
4550 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
4552 PR rtl-optimization/25799
4553 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
4554 Corrected confluence operator to remove bits from op2 before oring
4555 with op1 rather than removing bits from op1.
4556 (df_ru_transfer_function): Corrected test on wrong bitmap which
4557 caused infinite loop. Both of these problems were introduced in
4558 the dataflow rewrite.
4560 2006-01-19 DJ Delorie <dj@redhat.com>
4562 * reload1.c (find_reload_regs): Note the details of reload
4563 failures in the dump file.
4564 (spill_failure): Likewise.
4566 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
4568 * loop-iv.c: Include df.h and hashtab.h.
4569 (enum iv_grd_result): New enum.
4570 (DF_REF_IV, DF_REF_IV_SET): New macros.
4571 (struct biv_entry): New.
4572 (df, bivs): New global variables.
4573 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
4574 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
4575 Removed.
4576 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
4577 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
4578 analyzed_for_bivness_p, record_biv): New functions.
4579 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
4580 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
4581 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
4582 UD chains.
4583 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
4584 analysed.
4585 (iv_number_of_iterations): Use new interface to iv analysis.
4586 * loop-unroll.c: Do not include varray.h.
4587 (analyze_iv_to_split_insn): Use new interface to iv
4588 analysis.
4589 * loop-unswitch.c (may_unswitch_on): Ditto.
4590 * df.c (df_bitmaps_free): Only work for bbs for that structures are
4591 allocated.
4592 (df_bb_modify): Realloc tables to the new index.
4593 (df_find_use): New function.
4594 * df.h (df_find_use): Declare.
4595 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
4596 outmode.
4597 * cfgloop.h (struct rtx_iv): Remove analysed field.
4598 (iv_get_reaching_def): Removed.
4599 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
4600 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
4601 (loop-iv.o): Add df.h and hashtab.h dependency.
4602 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
4604 2006-01-20 Alan Modra <amodra@bigpond.net.au>
4606 PR target/25668
4607 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
4608 Double TFmode.
4609 (__floatundisf, __floatundidf): Likewise.
4610 * libgcc2.h (IS_IBM_EXTENDED): Define.
4612 2006-01-19 DJ Delorie <dj@redhat.com>
4614 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
4616 2006-01-19 Paul Brook <paul@codesourcery.com>
4618 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
4619 as nothrow when unwinding tables are disabled.
4621 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4623 PR testsuite/25171
4624 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
4625 of bit-field" when in system header.
4627 2006-01-19 DJ Delorie <dj@redhat.com>
4629 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
4630 the 16 bit shift limit of the m16c.
4632 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
4634 PR target/22099
4635 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
4636 * config/i386/i386.c (output_set_got): Output the label if we have one
4637 for the TARGET_DEEP_BRANCH_PREDICTION case.
4639 2006-01-19 Jan Hubicka <jh@suse.cz>
4640 H.J. Lu <hongjiu.lu@intel.com>
4641 Evandro Menezes <evandro.menezes@amd.com>
4643 * invoke.texi (generic): Document
4644 (i686) Update.
4645 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
4646 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
4647 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
4648 (x86_use_incdec, x86_pad_returns): New variables
4649 (TARGET_CPU_DEFAULT_generic): New constant
4650 (TARGET_CPU_DEFAULT_NAMES): Add generic.
4651 (enum processor_type): Add generic32 and generic64.
4652 * i386.md (cpu attribute): Add generic32/generic64
4653 (movhi splitter): Behave sanely when both partial_reg_dependency and
4654 partial_reg_stall are set.
4655 (K8 splitters): Enable for generic as well.
4656 * predicates.md (incdec_operand): Use TARGET_INCDEC
4657 (aligned_operand): Avoid memory mismatch stalls.
4658 * athlon.md: Enable for generic64, new patterns for 128bit moves.
4659 * ppro.md: Enable for generic32
4660 * i386.c (generic64_cost, generic32_cost): New.
4661 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
4662 (x86_use_leave): Enable for generic64. (x86_use_sahf,
4663 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
4664 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
4665 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
4666 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
4667 x86_partial_reg_dependency, x86_memory_mismatch_stall,
4668 x86_accumulate_outgoing_args, x86_prologue_using_move,
4669 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
4670 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
4671 Enable for generic.
4672 (x86_use_incdec, x86_pad_returns): New.
4673 (override_options): Add generic32 and generic64, translate "generic"
4674 to generic32/generic64 and "i686" to "generic32", refuse
4675 "generic32"/"generic64" as arch target.
4676 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
4677 (ix86_reorg): Honor PAD_RETURNS.
4679 2006-01-19 Diego Novillo <dnovillo@redhat.com>
4681 * tree-pretty-print.c (dump_generic_node): Handle
4682 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
4683 * cgraph.c (cgraph_expand_queue): Rename from
4684 cgraph_analyze_queue. Update all users.
4685 * cgraphunit.c (cgraph_assemble_pending_functions): Process
4686 cgraph_expand_queue.
4687 (cgraph_expand_all_functions): Likewise.
4688 (cgraph_finalize_pending_functions): Remove. Update callers.
4690 * tree.h (OMP_DIRECTIVE_P): Define.
4691 (OMP_PARALLEL_FN): Define.
4692 (OMP_PARALLEL_DATA_ARG): Define.
4693 (OMP_SECTIONS_SECTIONS): Define.
4694 * tree-pass.h (pass_expand_omp): Declare.
4695 * omp-low.c (struct omp_region): Declare.
4696 (struct omp_context): Remove fields 'parallel_type',
4697 'parallel_start_ix' and 'parallel_start_additional_args'.
4698 Update all users.
4699 (struct omp_for_data): Rename from struct expand_omp_for_data.
4700 (omp_regions): New static variable.
4701 (root_omp_region): New static variable.
4702 (find_omp_clause): Make static.
4703 (is_in_combined_parallel_ctx): Remove.
4704 (is_combined_parallel): New.
4705 (extract_omp_for_data): Move earlier in the file.
4706 (workshare_safe_to_combine_p): New.
4707 (get_ws_args_for): New.
4708 (determine_parallel_type): Move earlier in the file.
4709 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
4710 child function.
4711 (omp_copy_decl): Likewise.
4712 (create_omp_child_function): Likewise.
4713 (lookup_omp_region): New.
4714 (dump_omp_region): New.
4715 (debug_omp_region): New.
4716 (debug_all_omp_regions): New.
4717 (new_omp_region): New.
4718 (scan_omp_parallel): If parallel_nesting_level > 1, the
4719 directive is nested within another parallel directive.
4720 Set OMP_PARALLEL_FN.
4721 (scan_omp_for): Do not try to handle combined parallel+for
4722 cases.
4723 Remove FIXME comment.
4724 (scan_omp_nested): Remove.
4725 (scan_omp_1): Do not call scan_omp_nested when
4726 parallel_nesting_level is > 1.
4727 Do not change the DECL_CONTEXT of local variables found.
4728 (lookup_decl_in_outer_ctx): New.
4729 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
4730 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
4731 (lower_reduction_clauses): Rename from expand_reduction_clauses.
4732 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
4733 If CTX is nested, lookup VAR in the outer context when
4734 building copy assignment.
4735 (lower_send_clauses): Rename from expand_send_clauses.
4736 If CTX is nested, lookup VAR in the outer context when
4737 building copy assignments.
4738 (lower_send_shared_vars): Rename from expand_send_shared_vars.
4739 If CTX is nested, lookup VAR in the outer context when
4740 building copy assignments.
4741 (expand_parallel_call): Rename from build_parallel_call.
4742 Handle combined parallel+workshare cases.
4743 Re-implement to emit code into the CFG.
4744 (list2chain): New.
4745 (expand_omp_parallel): Re-implement to emit code into the CFG.
4746 Call move_sese_region_to_fn to outline the sub-graph
4747 containing the parallel region.
4748 (expand_omp_for_1): Remove.
4749 (expand_omp_for_generic): Re-implement to emit code into the
4750 CFG.
4751 (expand_omp_for_static_nochunk): Likewise.
4752 (expand_omp_for_static_chunk): Likewise.
4753 (expand_omp_for): Likewise.
4754 (expand_omp_sections): Likewise.
4755 (remove_exit_barriers): New.
4756 (expand_omp_synch): New.
4757 (expand_omp): New.
4758 (build_omp_regions_1): New.
4759 (build_omp_regions): New.
4760 (execute_expand_omp): New.
4761 (gate_expand_omp): New.
4762 (pass_expand_omp): Define.
4763 (lower_omp_sections): Rename from expand_omp_sections.
4764 Set OMP_SECTIONS_SECTIONS.
4765 (lower_omp_single_simple): Rename from expand_omp_single_simple.
4766 (lower_omp_single_copy): Rename from expand_omp_single_copy.
4767 (lower_omp_single): Rename from expand_omp_simple.
4768 (lower_omp_master): Rename from expand_omp_master.
4769 (lower_omp_ordered): Rename from expand_omp_ordered.
4770 (lower_omp_critical): Rename from expand_omp_critical.
4771 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
4772 (lower_omp_for): Re-implement.
4773 (lower_omp_parallel): Re-implement.
4774 (lower_regimplify): Rename from expand_regimplify.
4775 (lower_omp_1): Rename from expand_omp_1.
4776 If there are syntax errors in the program, replace every
4777 OpenMP directive with NOP.
4778 Call lower_omp_* instead of expand_omp_*.
4779 (lower_omp): Rename from expand_omp.
4781 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
4782 * tree-gimple.h (enum omp_parallel_type): Remove.
4783 (gimple_boolify): Declare extern.
4784 (find_omp_clause, determine_parallel_type): Remove.
4786 * gimple-low.c (lower_omp_directive): New.
4787 (lower_stmt): Call it.
4788 (record_vars_into): Move from ...
4789 (record_vars): ... here.
4790 Call record_vars_into with current_function_decl.
4792 * gimplify.c (struct gimplify_ctx): Remove fields
4793 combined_pre_p and combined_ctxp. Update users.
4794 (get_formal_tmp_var): Add documentation.
4795 (gimple_boolify): Make extern.
4796 (gimplify_expr_in_ctx): Remove. Update callers.
4797 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
4798 will always be a BIND_EXPR.
4799 (gimplify_expr): Handle OMP_RETURN_EXPR.
4800 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
4801 (OMP_PARALLEL): Add 3 operands.
4802 (OMP_SECTIONS): Add 1 operand.
4803 (OMP_RETURN_EXPR): Define.
4805 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
4806 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
4807 * tree-iterator.c (alloc_stmt_list): Assert that we are not
4808 creating a circular free list.
4809 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
4811 * tree-flow.h (move_sese_region_to_fn): Declare.
4812 (record_vars_into): Declare.
4813 * tree-cfg.c (make_omp_sections_edges): New.
4814 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
4815 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
4816 OMP_SECTIONS and OMP_SECTION.
4817 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
4818 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
4819 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
4820 (gather_blocks_in_sese_region): New.
4821 (struct move_stmt_d): Declare.
4822 (move_stmt_r): New.
4823 (move_block_to_fn): New.
4824 (move_sese_region_to_fn): New.
4826 * passes.c (init_optimization_passes): Schedule
4827 pass_expand_omp after pass_init_datastructures.
4829 * tree-ssa-operands.c (get_expr_operands): Handle
4830 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
4831 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
4833 2006-01-19 Jeff Law <law@redhat.com>
4835 * tree-vrp.c (extract_range_from_assert): Refine the result range
4836 if the variable referenced by the ASSERT_EXPR has a range and
4837 either the tentative result range or the previous range is a
4838 VR_ANTI_RANGE.
4840 2006-01-19 Richard Sandiford <richard@codesourcery.com>
4842 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
4844 2006-01-19 Jan Hubicka <jh@suse.cz>
4846 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
4848 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
4850 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
4851 (expand_compound_operation, expand_field_assignment): Fail if the
4852 bit lengths of an extract operation are out of range.
4853 (make_extraction): Compute wanted_inner_mode based on the position
4854 and length of the extraction. Make it extraction_mode for non-constant
4855 positions, and do not modify offset in that case. When generating a
4856 new MEM, use a mode that can hold the extraction while keeping correct
4857 alignment. Remove code that supported MEMs wrapped by USEs.
4858 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
4860 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
4862 * config/s390/s390.md ("Y", "y"): New mode attribute.
4863 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
4864 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
4865 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
4866 "*addsi3_imm_cc", "*addsi3_carry1_cc",
4867 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
4868 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
4869 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
4870 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
4871 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
4872 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
4873 "addsi3", "subsi3"): Insn patterns removed.
4874 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
4875 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
4876 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
4877 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
4878 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
4879 "*sub<mode>3_cconly2"): New insn patterns.
4880 ("addsi3", "subsi3"): New expanders.
4882 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
4884 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
4885 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
4886 existing STMT_VINFO_VECTYPE if available.
4887 (vect_mark_relevant): Add special handling for stmts that are
4888 marked as STMT_VINFO_IN_PATTERN_P.
4889 (vect_analyze_loop): Call vect_pattern_recog.
4890 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
4891 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
4892 stmt_info.
4893 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
4894 (vect_recog_func_ptr): New function-pointer type.
4895 * tree-vect-patterns.c: New file.
4896 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
4897 (vect_recog_dot_prod_pattern, vect_pattern_recog):
4898 (vect_pattern_recog_1): New functions.
4899 (vect_pattern_recog_funcs): New array of function pointers.
4901 * tree-vectorizer.h (ternary_op): New enum value.
4902 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
4903 declaration. Revised documentation. Removed redundant dump prints.
4904 Removed redundant argument. Added support for reduction patterns.
4905 (vectorizable_reduction): Added support for reduction patterns.
4906 (vect_transform_stmt): Added support for patterns.
4908 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
4909 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
4910 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
4911 (expand_widen_pattern_expr): New function.
4912 (init_optabs): Initialize new optabs udot_prod_optab,
4913 sdot_prod_optab.
4914 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
4915 (sdot_prod_optab, udot_prod_optab): Define new optabs.
4916 (expand_widen_pattern_expr): New function declaration.
4917 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
4918 tree-codes.
4919 * tree-inline.c (estimate_num_insns_1): Added cases for new
4920 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
4921 * tree-pretty-print.c (dump_generic_node): Likewise.
4922 (op_prio): Likewise.
4923 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
4924 * tree-ssa-operands.c (get_expr_operands): Added case for
4925 DOT_PROD_EXPR.
4926 * tree-vect-patterns.c (widened_name_p): New function.
4927 (vect_recog_dot_prod_pattern): Added function implementation.
4928 * tree-vect-transform.c (get_initial_def_for_reduction): Added
4929 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
4930 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
4931 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
4933 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
4934 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
4935 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
4936 (init_optabs): Initialize new optabs widen_ssum_optab,
4937 widen_usum_optab.
4938 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
4939 (widen_ssum_optab, widen_usum_optab): Define new optabs.
4940 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
4941 use instead of type of def.
4942 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
4943 function implementation.
4944 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
4945 widen_ssumv8hi): New.
4947 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
4948 patterns.
4950 2006-01-19 Richard Sandiford <richard@codesourcery.com>
4952 PR c/25805
4953 * c-decl.c (add_flexible_array_elts_to_size): New function.
4954 (finish_decl): Use it.
4956 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
4958 * diagnostic.h: Include options.h.
4959 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
4960 dependancies for diagnostic.h.
4961 * Makefile.in (DIAGNOSTIC_H): Add options.h.
4963 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
4965 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
4966 (ssa_ro_call_cache_valid): Ditto.
4967 * tree-ssa-alias.c (sort_tags_by_id): New function.
4968 (init_transitive_clobber_worklist): Ditto.
4969 (add_to_worklist): Ditto.
4970 (mark_aliases_call_clobbered): Ditto.
4971 (compute_tag_properties): Ditto.
4972 (set_initial_properties): Ditto.
4973 (compute_call_clobbered): Ditto.
4974 (compute_may_aliases): Call compute_call_clobbered and grouping.
4975 (compute_flow_sensitive_aliasing): Remove clobbering related code.
4976 (compute_flow_insensitive_aliasing): Grouping now happens in our
4977 caller.
4978 (setup_pointers_and_addressables): Remove clobbering related code.
4979 (add_may_alias): Ditto.
4980 (replace_may_alias): Ditto.
4981 (get_nmt_for): Ditto.
4982 (create_global_var):
4983 (is_escape_site): Return an escape_type enumeration.
4984 * tree-flow-inline.h (is_call_clobbered): Global var does not
4985 imply call clobbered.
4986 (mark_call_clobbered): Take a reason for marking this. Remove
4987 marking of globalness, and cache invalidation.
4988 (clear_call_clobbered): Remove cache invalidation code.
4989 * tree-dfa.c (dump_variable): If details is on, dump the reason
4990 for escaping.
4991 * tree-outof-ssa.c (create_temp): Copy escape mask from original
4992 variable.
4993 * tree-flow.h (struct ptr_info_def): Add escape mask member.
4994 (struct var_ann_d): Ditto.
4995 (enum escape_type): New.
4996 (mark_call_clobbered): Adjust prototype.
4997 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
4998 are never call clobbered.
4999 Record reasons for escaping.
5000 * tree-ssa-structalias.h (is_escape_site): Update prototype.
5001 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
5002 (ssa_ro_call_cache_valid): Ditto.
5003 (clobbered_v_may_defs): Ditto.
5004 (clobbered_vuses): Ditto.
5005 (ro_call_vuses): Ditto.
5006 (clobber_stats): New.
5007 (init_ssa_operands): Zero out clobber stats.
5008 (fini_ssa_operands): Print out clobber stats.
5009 (get_call_expr_operands): Pass callee fndecl to
5010 add_call_read_ops).
5011 (add_call_clobber_ops): Remove use of cache.
5012 Add use of PURE_CONST information.
5013 (add_call_read_ops): Remove use of cache.
5014 Add use of static not_read information.
5016 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
5018 Introduce TLS descriptors for i386 and x86_64.
5019 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
5020 (TARGET_ANY_GNU_TLS): New macro.
5021 (enum tls_dialect): Added TLS_DIALECT_GNU2.
5022 (struct machine_function): Add tls_descriptor_call_expanded_p.
5023 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
5024 (ix86_current_function_calls_tls_descriptor): Likewise.
5025 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
5026 (override_options): Introduce gnu2 tls dialect.
5027 (ix86_frame_pointer_required): Functions containing TLSCALLs are
5028 not leaves.
5029 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
5030 Likewise.
5031 (legitimize_tls_address): Adjust logic for GNU2 TLS.
5032 (ix86_init_machine_status): Initialize new field.
5033 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
5034 (ix86_tls_module_base): New.
5035 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
5036 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
5037 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
5038 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
5039 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
5040 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
5041 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
5042 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
5043 * config/i386/predicates.md (tls_modbase_operand): New.
5044 (tp_or_register_operand): New.
5046 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
5048 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
5049 (look_for_address_of): Ditto.
5050 (ipa_init): Walk the function decls.
5051 (static_execute): Don't set readonly on FUNCTION_DECL's.
5053 2006-01-18 Roger Sayle <roger@eyesopen.com>
5055 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
5056 for shifts where the source and destination registers are different.
5058 2006-01-18 Paul Brook <paul@codesourcery.com>
5060 Merge from csl-arm-branch.
5061 2005-03-14 Julian Brown <julian@codesourcery.com>
5062 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
5063 (aeabi_llsl): Likewise.
5064 (ashrdi3): Likewise.
5065 (aeabi_lasr): Likewise.
5066 (lshrdi3): Likewise.
5067 (aeabi_llsr): Likewise.
5068 2005-03-10 Julian Brown <julian@codesourcery.com>
5069 * config.gcc: Disable shared libgcc for SymbianOS.
5070 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
5072 2006-01-18 DJ Delorie <dj@redhat.com>
5074 * c-pragma.c (handle_pragma_diagnostic): New.
5075 (init_pragma): Register it.
5076 * doc/extend.texi: Document it.
5078 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
5079 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
5080 (diagnostic_context): Add classify_diagnostic[].
5081 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
5082 as errors if they're overridden to DK_WARNING.
5083 (diagnostic_initialize): Initialize classify_diagnostic[].
5084 (diagnostic_set_kind_override): New.
5085 (diagnostic_report_diagnostic): Check for kind changes.
5086 * opts.c (common_handle_option): Take lang_mask. Update callers.
5087 Handle OPT_Werror_.
5088 * common.opt (Werror=): New.
5089 * doc/invoke.texi: Document -Werror=*
5091 2006-01-18 Jeff Law <law@redhat.com>
5093 * tree-vrp.c (test_for_singularity): Correct test for new
5094 min limit. Use operand_equal_p rather than pointer equality
5095 for testing if new min/max values are equal.
5097 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
5098 using range information until after propagation and folding.
5100 2006-01-18 Richard Henderson <rth@redhat.com>
5101 Aldy Hernandez <aldyh@redhat.com>
5102 Jakub Jelinek <jakub@redhat.com>
5103 Diego Novillo <dnovillo@redhat.com>
5105 * omp-low.c: New file.
5106 * c-omp.c: New file.
5108 2006-01-18 Richard Henderson <rth@redhat.com>
5109 Jakub Jelinek <jakub@redhat.com>
5110 Diego Novillo <dnovillo@redhat.com>
5112 * doc/invoke.texi: Document -fopenmp.
5113 * tree-dump.h (debug_function): Declare.
5114 * hooks.c (hook_bool_tree_bool_false): New function.
5115 (hook_tree_tree_null): Remove.
5116 (hook_tree_tree_tree_null): New.
5117 * hooks.h: Update to match.
5118 * tree-pretty-print.c (debug_tree_chain): New.
5119 (print_generic_expr): Handle TDF_CHAIN.
5120 (dump_generic_node): Handle BLOCK.
5121 Do not abort with incomplete SWITCH_EXPRs.
5122 Do not dump body of an OpenMP directive if TDF_SLIM is given.
5123 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
5124 print space after directive name.
5125 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
5126 Handle OMP_MASTER and OMP_ORDERED.
5127 Handle printing of OMP_BODY just in one place, goto
5128 dump_omp_body in the rest of OMP_* nodes that have
5129 OMP_BODY.
5130 Don't handle clause nodes here. Update omp statements to
5131 use dump_omp_clauses.
5132 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
5133 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
5134 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
5135 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
5136 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
5137 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
5138 Adjust output for GOMP_PARALLEL.
5139 (dump_omp_clauses): New.
5140 (print_declaration): Dump DECL_VALUE_EXPR.
5141 (op_symbol_1): Split out of op_symbol.
5142 (dumping_stmts): Remove. Update all users.
5143 * cgraph.c (cgraph_analyze_queue): New.
5144 (cgraph_add_new_function): New.
5145 * cgraph.h (cgraph_analyze_queue): Declare.
5146 (cgraph_add_new_function): Declare.
5147 (cgraph_lower_function): Remove.
5148 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
5149 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
5150 and TYPE_P nodes in its default clause.
5151 (empty_body_p): New.
5152 (tree_range_check_failed): New.
5153 (build5_stat): New.
5154 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
5155 OMP_CLAUSE_REDUCTION_MERGE,
5156 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
5157 OMP_CLAUSE_PRIVATE_DEBUG,
5158 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
5159 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
5160 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
5161 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
5162 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
5163 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
5164 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
5165 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
5166 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
5167 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
5168 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
5169 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
5170 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
5171 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
5172 (TREE_RANGE_CHECK): New.
5173 (empty_body_p): Declare.
5174 (enum omp_clause_default_kind): New.
5175 (build_string_literal): Declare.
5176 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
5177 (build5_stat, build5): Declare.
5178 * tree-pass.h (TDF_CHAIN): Define.
5179 * tree-pass.h (PROP_gimple_lomp): Define.
5180 (pass_lower_omp): Declare.
5181 * diagnostic.h (debug_tree_chain): Declare.
5182 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
5183 mode_for_size.
5184 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
5185 * builtins.c (build_string_literal): Make extern.
5186 * gcc.c (include_spec_function): New.
5187 (static_spec_functions): Add it.
5188 (main): Move load of libgomp.spec ...
5189 (LINK_COMMAND_SPEC): ... here.
5190 (link_gomp_spec): New.
5191 (static_specs): Include it.
5192 (LINK_COMMAND_SPEC): Add link_gomp.
5193 (GOMP_SELF_SPECS): New.
5194 (driver_self_specs): Include it.
5195 (switch_matches): Don't mark inline.
5196 (main): Load libgomp.spec.
5197 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
5198 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
5199 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
5200 * tree-gimple.h (enum omp_parallel): Declare.
5201 (determine_parallel_type): Declare.
5202 (omp_firstprivatize_variable): Declare.
5203 (omp_reduction_init): Declare.
5204 (diagnose_omp_structured_block_errors): Declare.
5205 (struct walk_stmt_info): Add want_return_expr.
5206 (struct walk_stmt_info): Add want_bind_expr, want_locations.
5207 (find_omp_clause): Declare.
5208 (insert_field_into_struct): Declare.
5209 (struct walk_stmt_info): Move from tree-nested.c
5210 (walk_stmts): Declare.
5211 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
5212 to 200505.
5213 * cgraphunit.c (cgraph_lower_function): Make static.
5214 (cgraph_finalize_pending_functions): New.
5215 (cgraph_finalize_function): Call it.
5216 (cgraph_finalize_compilation_unit): Likewise.
5217 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
5218 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
5219 (BT_FN_UINT_UINT): New.
5220 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
5221 DEF_FUNCTION_TYPE_VAR_4): Document.
5222 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
5223 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
5224 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
5225 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
5226 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
5227 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
5228 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
5229 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
5230 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
5231 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
5232 into separate files.
5233 (DEF_GOMP_BUILTIN): New.
5234 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
5235 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
5236 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
5237 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
5238 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
5239 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
5240 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
5241 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
5242 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
5243 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
5244 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
5245 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
5246 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
5247 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
5248 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
5249 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
5250 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
5251 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
5252 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
5253 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
5254 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
5255 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
5256 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
5257 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
5258 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
5259 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
5260 * sync-builtins.def: New file, moved from builtins.def.
5261 * omp-builtins.def: New file, moved from builtins.def.
5262 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
5263 * gimple-low.c (lower_function_body): Clear data.
5264 (lower_stmt): Do not handle COMPOUND_EXPR.
5265 Remove call to print_node_brief.
5266 * c-tree.h (c_finish_omp_clauses): New prototype.
5267 (C_DECL_THREADPRIVATE_P): Define.
5268 (lookup_name_no_remap, c_omp_remap_private): Remove
5269 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
5270 (check_for_loop_decls): Update decl.
5271 (lookup_name_no_remap, c_omp_remap_private): Declare.
5272 (build_indirect_ref, build_modify_expr, pushdecl,
5273 pushdecl_top_level): Move to c-common.h.
5274 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
5275 before the switch, but just in the 2 places that need it.
5276 * c-decl.c (diagnose_mismatched_decls): Do not check for
5277 mismatched thread-local attributes when OLDDECL is marked
5278 threadprivate and NEWDECL has no thread-local attributes.
5279 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
5280 (c_gimple_diagnostics_recursively): Rename from
5281 c_warn_unused_result_recursively. Invoke
5282 diagnose_omp_structured_block_errors.
5283 (check_for_loop_decls): Return a singular decl found.
5284 * langhooks.c (lhd_omp_predetermined_sharing): Return
5285 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
5286 (lhd_omp_firstprivatize_type_sizes): New.
5287 (lhd_omp_assignment): New.
5288 (lhd_omp_predetermined_sharing): New.
5289 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
5290 (struct lang_hooks_for_types): Add
5291 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
5292 omp_predetermined_sharing, omp_disregard_value_expr,
5293 omp_private_debug_clause, omp_clause_default_ctor,
5294 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
5295 (c_finish_omp_clauses): New.
5296 (c_finish_bc_stmt): Diagnose break within omp for.
5297 (c_begin_omp_parallel, c_finish_omp_parallel): New.
5298 (build_unary_op): Return error_mark after reporting
5299 a readonly_error.
5300 (build_modify_expr): Likewise.
5301 * gimplify.c: Include optabs.h and pointer-set.h.
5302 (enum gimplify_omp_var_data): Declare.
5303 (struct gimplify_omp_ctx): Declare.
5304 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
5305 and combined_ctxp.
5306 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
5307 (push_gimplify_context, pop_gimplify_context): Allow nesting.
5308 (splay_tree_compare_decl_uid): New.
5309 (new_omp_context): New.
5310 (delete_omp_context): New.
5311 (gimple_add_tmp_var): Call omp_add_variable.
5312 (gimplify_bind_expr): Likewise.
5313 (gimplify_var_or_parm_decl): If omp_notice_variable returned
5314 true, disregard DECL_VALUE_EXPR on the decl if any.
5315 (gimplify_expr_in_ctx): New.
5316 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
5317 omp_add_variable, omp_notice_variable, omp_is_private
5318 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
5319 gimplify_adjust_omp_clauses, gimplify_omp_parallel
5320 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
5321 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
5322 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
5323 gimplify_omp_atomic): New.
5324 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
5325 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
5326 OMP_CRITICAL and OMP_ATOMIC.
5327 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
5328 * c-pragma.h (enum pragma_kind): Add
5329 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
5330 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
5331 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
5332 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
5333 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
5334 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
5335 PRAGMA_OMP_THREADPRIVATE.
5336 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
5337 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
5338 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
5339 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
5340 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
5341 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
5342 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
5343 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
5344 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
5345 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
5346 * tree-ssa-dce.c (find_control_dependence): Do not assume that
5347 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
5348 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
5349 OpenMP directives.
5350 (struct nesting_info): Add field_map,
5351 suppress_expansion, debug_var_chain.
5352 (create_nesting_tree): Initialize them.
5353 (lookup_field_for_decl): Use field_map.
5354 (get_nonlocal_debug_decl, get_local_debug_decl): New.
5355 (convert_local_omp_clauses): New.
5356 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
5357 (walk_body): Split out of walk_function.
5358 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
5359 (convert_nonlocal_reference): Handle omp statements.
5360 (convert_local_reference): Likewise.
5361 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
5362 (unnest_nesting_tree): New.
5363 (lower_nested_functions): Call it.
5364 (insert_field_into_struct): Make extern.
5365 (struct walk_stmt_info): Move to tree-gimple.h.
5366 (walk_stmts): Make extern.
5367 * omp-builtins.def: New file.
5368 * tree-iterator.c (expr_only): Clarify comment.
5369 * c-common.h (pushdecl_top_level, pushdecl,
5370 build_modify_expr, build_indirect_ref,
5371 c_finish_omp_master, c_finish_omp_critical,
5372 c_finish_omp_ordered, c_finish_omp_barrier,
5373 c_finish_omp_atomic, c_finish_omp_flush,
5374 c_finish_omp_for, c_split_parallel_clauses,
5375 omp_clause_default_kind, c_omp_sharing_predetermined,
5376 c_omp_remap_decl): Declare.
5377 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
5378 (OBJS-common): Add omp-low.o.
5379 (c-omp.o, omp-low.o): Add.
5380 (gimplify.o): Add dependency on $(OPTABS_H).
5381 (GTFILES): Add omp-low.c.
5382 (gt-stringpool.h): Add.
5383 * tree-cfg.c (set_bb_for_stmt): Do not update the
5384 block-to-labels map if we are currently expanding to RTL.
5385 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
5386 checks.
5387 Handle IDENTIFIER_NODE.
5388 (tree_verify_flow_info): Do not ICE when emitting error
5389 messages about invalid labels.
5390 (dump_function_to_file): Reset CFUN before emitting the body
5391 of the function.
5392 (debug_function): New.
5393 * passes.c (init_optimization_passes): Schedule
5394 pass_lower_omp.
5395 * langhooks-def.h (lhd_omp_predetermined_sharing,
5396 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
5397 Declare.
5398 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
5399 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
5400 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
5401 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
5402 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
5403 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
5404 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
5405 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
5406 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
5407 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
5408 (LANG_HOOK_DECLS): Use them.
5410 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
5411 Richard Henderson <rth@redhat.com>
5412 Jakub Jelinek <jakub@redhat.com>
5413 Diego Novillo <dnovillo@redhat.com>
5415 * c-parser.c (pragma_omp_clause): Define.
5416 (c_parser_declaration_or_fndef): Document OpenMP syntax.
5417 (c_parser_compound_statement): Likewise.
5418 (c_parser_statement): Likewise.
5419 (c_parser_pragma): Handle omp pragmas.
5420 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
5421 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
5422 (c_parser_omp_clause_name, check_no_duplicate_clause,
5423 c_parser_omp_variable_list,
5424 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
5425 c_parser_omp_clause_copyprivate,
5426 c_parser_omp_clause_default,
5427 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
5428 c_parser_omp_clause_lastprivate,
5429 c_parser_omp_clause_nowait,
5430 c_parser_omp_clause_num_threads,
5431 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
5432 c_parser_omp_clause_reduction,
5433 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
5434 c_parser_omp_all_clauses, c_parser_omp_structured_block,
5435 c_parser_omp_atomic, c_parser_omp_barrier,
5436 c_parser_omp_critical, c_parser_omp_flush,
5437 c_parser_omp_for_loop, c_parser_omp_for,
5438 c_parser_omp_master, c_parser_omp_ordered,
5439 c_parser_omp_sections_scope, c_parser_omp_sections,
5440 c_parser_omp_parallel, c_parser_omp_single,
5441 c_parser_omp_construct, c_parser_omp_threadprivate): New.
5442 * c-pragma.c (init_pragma): Do omp pragma registration here.
5443 * c.opt (fopenmp): New flag.
5445 2006-01-18 Eric Christopher <echristo@apple.com>
5447 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
5448 * config/darwin.h (GOMP_SELF_SPECS): Define.
5450 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
5452 * rtl.h: Remove the prototype for reg_alloc.
5454 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5456 PR target/25731
5457 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
5458 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
5459 sjlj and dwarf2 exception handling.
5460 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
5461 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
5462 * pa/pa.c (function_value): Treat complex and vector types as
5463 aggregates.
5464 (function_arg): Likewise. Only pass scalar floats in the floating
5465 point argument registers.
5466 * pa/t-slibgcc-dwarf-ver: New file.
5467 * pa/t-slibgcc-sjlj-ver: New file.
5468 * pa/t-slibgcc-elf-ver: Delete file.
5470 2006-01-19 Alan Modra <amodra@bigpond.net.au>
5472 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
5473 unlikely_test_section_p test.
5475 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
5477 * mode-switching.c (optimize_mode_switching): Make it static.
5478 * basic-block.h: Remove the prototype for
5479 optimize_mode_switching.
5481 * modulo-sched.c (sms_schedule): Make it static.
5482 * rtl.h: Remove the prototype for sms_schedule.
5484 * postreload-gcse.c (gcse_after_reload_main): Make it static.
5485 * rtl.h: Remove the prototype for gcse_after_reload_main.
5487 * reg-stack.c (reg_to_stack): Make it static.
5488 * rtl.h: Remove the prototype for reg_to_stack.
5490 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
5491 Make them static.
5492 * rtl.h: Remove the prototypes for regrename_optimize and
5493 copyprop_hardreg_forward.
5495 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
5497 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
5498 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
5499 Test against the appropriate null constant for the mode.
5500 If 'fixup_overlap' is true, swap the operands if they overlap.
5501 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
5502 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
5503 alpha_split_tmode_pair and adjust for above change.
5504 * config/alpha/alpha.md (movtf_internal): Adjust call to
5505 alpha_split_tfmode_pair and rely on it to swap the operands.
5506 (movti_internal): New insn and post-reload splitter.
5507 (movti): New expander.
5509 2006-01-18 Philippe De Muyter <phdm@macqel.be>
5511 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
5512 operands.
5514 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
5516 * rtlanal.c (global_reg_mentioned_p_1,
5517 global_reg_mentioned_p): Remove.
5518 * rtl.h: Remove the prototype for global_reg_mentioned_p.
5520 * flow.c (initialize_uninitialized_subregs): Make it static.
5521 * rtl.h: Remove the prototype for
5522 initialize_uninitialized_subregs.
5524 * function.c (instantiate_virtual_regs): Make it static.
5525 * function.h: Remove the prototype for
5526 instantiate_virtual_regs.
5528 * regmove.c (regmove_optimize, combine_stack_adjustments):
5529 Make them static.
5530 * rtl.h: Remove the prototypes for regmove_optimize and
5531 combine_stack_adjustments.
5533 2006-01-17 Roger Sayle <roger@eyesopen.com>
5535 * config/i386/i386.c (COSTS_N_BYTES): New macro.
5536 (size_cost): Encode costs in bytes so that a reg-reg addition is
5537 equivalent to COSTS_N_INSNS(1).
5538 (override_options): Use the size_cost.branch_cost as the default
5539 ix86_branch_cost when optimizing for size.
5541 2006-01-18 Ben Elliston <bje@au.ibm.com>
5543 * Makefile.in (D32PBIT_FUNCS): New.
5544 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
5545 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
5546 D64PBIT_FUNCS and D128PBIT_FUNCS.
5547 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
5548 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
5549 D128PBIT are set.
5550 (decnumber_dep): Define.
5551 * doc/libgcc.texi (Decimal float library routines): New node.
5552 * config/dfp-bit.h, config/dfp-bit.c: New files.
5554 2006-01-18 Ben Elliston <bje@au.ibm.com>
5556 * expr.c (emit_move_change_mode): Always adjust addresses, not
5557 just during reload. Copy replacements only during reload.
5558 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
5559 emit_move_via_integer.
5561 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
5563 * Makefile.in (check-%, check-consistency): Use $${srcdir}
5564 instead of $(srcdir) and ${srcdir}.
5566 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
5568 PR target/592
5569 PR middle-end/11135
5570 * arm.h (struct machine_function): Add pic_reg.
5571 * arm.c (arm_pic_register): Make unsigned.
5572 (arm_override_options): Only set arm_pic_register if
5573 TARGET_SINGLE_PIC_BASE.
5574 (use_return_insn): Only test for a pic register if it is fixed.
5575 (arm_compute_save_reg0_reg12_mask): Likewise.
5576 (thumb_compute_save_reg_mask): Likewise.
5577 (legitimate_pic_operand): Factor out some known invariants.
5578 (legitimize_pic_address): If we don't have a fixed pic register,
5579 then set up a pseudo in the function entry sequence. Handle the
5580 pic base being in a pseudo.
5581 (arm_load_pic_register): Handle the pic register being in a pseudo.
5582 (arm_expand_prologue): Only set up the pic register if it is fixed.
5583 (thumb_expand_prologue): Likewise.
5584 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
5585 (pic_load_addr_based_insn): Likewise.
5586 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
5587 fixed.
5589 2006-01-18 Ben Elliston <bje@au.ibm.com>
5591 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
5592 decimal float modes for all floating point registers.
5594 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
5595 match_code "mem" with match_test "macho_lo_sum_memory_operand".
5597 2006-01-17 Jakub Jelinek <jakub@redhat.com>
5599 PR c/25682
5600 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
5601 even when the pointer is not NULL.
5603 2006-01-16 Ian Lance Taylor <ian@airs.com>
5605 * common.opt (ftoplevel-reorder): New option.
5606 * cgraph.c (cgraph_asm_nodes): New global variable.
5607 (cgraph_asm_last_node): New static variable.
5608 (cgraph_order): New global variable.
5609 (cgraph_create_node): Set new order field.
5610 (cgraph_varpool_node): Likewise.
5611 (decide_is_variable_needed): Return true if not
5612 flag_toplevel_reorder.
5613 (cgraph_add_asm_node): New function.
5614 * cgraph.h (struct cgraph_node): Add order field.
5615 (struct cgraph_varpool_node): Add order field.
5616 (struct cgraph_asm_node): Define.
5617 (cgraph_asm_nodes, cgraph_order): Declare.
5618 (cgraph_add_asm_node): Declare.
5619 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
5620 function.
5621 (cgraph_varpool_assemble_pending_decls): Call it.
5622 (cgraph_output_pending_asms): New static function.
5623 (cgraph_finalize_compilation_unit): Call it.
5624 (struct cgraph_order_sort): Define.
5625 (cgraph_output_in_order): New static function.
5626 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
5627 !flag_toplevel_reorder case.
5628 * c-parser.c: Include "cgraph.h".
5629 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
5630 assemble_asm.
5631 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
5632 than -fno-unit-at-a-time.
5633 * doc/invoke.texi (Option Summary): Mention
5634 -fno-toplevel-reorder.
5635 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
5636 -funit-at-a-time documentation.
5638 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
5639 Kazu Hirata <kazu@codesourcery.com>
5641 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
5643 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
5645 * Makefile.in (FUNCTION_H): New. Use it instead of
5646 function.h throughout the file.
5647 * function.h: Include tree.h.
5649 2006-01-17 Ben Elliston <bje@au.ibm.com>
5651 * recog.c: Separate some functions with whitespace.
5653 2006-01-16 Richard Henderson <rth@redhat.com>
5655 Merge from gomp branch:
5656 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
5657 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
5658 and rename from struct inline_data. Rename callee* to dst*;
5659 caller* to src*; add copy_decl hook, transform_call_graph_edges,
5660 transform_new_cfg, transform_return_to_modify, and
5661 transform_lang_insert_block flags; remove cloning_p, versioning_p,
5662 update_clones_p.
5663 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
5664 (copy_decl_for_dup): Remove.
5665 * tree-inline.c (struct inline_data): Move to header.
5666 (insert_decl_map): Export.
5667 (remap_decl): Update for member name changes. Use copy_decl hook.
5668 Allow for replacement to be a non-decl. Remove dead code.
5669 (remap_type_1): Check for existing mapping.
5670 (remap_type): Export.
5671 (remap_decls): Update for member name changes.
5672 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
5673 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
5674 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
5675 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
5676 (tree_function_versioning, build_duplicate_type): Likewise.
5677 (copy_body_r): Likewise. Export.
5678 (copy_decl_for_dup): Split into ...
5679 (copy_decl_for_dup_finish, copy_decl_to_var,
5680 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
5681 (replace_ref_tree, inlining_p): Remove.
5683 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
5685 * ifcvt.c (if_convert): Make it static.
5686 * rtl.h: Remove the prototype for if_convert.
5688 * local-alloc.c (local_alloc): Make it static.
5689 * rtl.h: Remove the prototype for local_alloc.
5691 * loop.c (loop_optimize): Make it static.
5692 * cfgloop.h: Remove the prototype for loop_optimize.
5693 * rtl.h: Likewise.
5695 2006-01-16 DJ Delorie <dj@redhat.com>
5697 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
5698 mems.
5700 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5702 * pa.md: Disparage copies between general and floating-point registers
5703 in 32-bit move patterns.
5705 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
5707 PR testsuite/25741
5708 * Makefile.in (check-%): Depend on site.exp instead of
5709 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
5710 directories.
5712 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
5714 * global.c (global_alloc): Make it static.
5715 * rtl.h: Remove the prototype for global_alloc.
5717 2006-01-16 Richard Guenther <rguenther@suse.de>
5719 * tree-ssa-alias.c (struct used_part): Add write_only field.
5720 (get_or_create_used_part_for): Initialize it to true.
5721 (create_overlap_variables_for): Don't create structure variables
5722 for structures that only are written to.
5723 (find_used_portions): Handle MODIFY_EXPR to track whether a
5724 structure is only written to.
5726 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
5728 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
5729 static.
5730 * basic-block.h: Remove the prototype for
5731 partition_hot_cold_basic_blocks.
5733 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
5735 * cppspec.c (lang_specific_spec_functions): Remove.
5736 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
5737 * gcc.h (lang_specific_spec_functions): Remove.
5738 * gccspec.c (lang_specific_spec_functions): Remove.
5740 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
5742 * combine.c (record_value_for_reg): Invalidate registers
5743 if INSN is null.
5744 (record_dead_and_set_regs_1): Likewise, by passing them to
5745 record_value_for_reg.
5746 (record_dead_and_set_regs): Invalidate stores made by a
5747 call. We do not combine across a call, but we still
5748 relied on equivalences.
5750 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
5752 * tree-vrp.c (extract_range_from_binary_expr): Cope with
5753 vrp_int_const_binop returning non-constant nodes.
5755 2006-01-16 Paul Brook <paul@codesourcery.com>
5757 * config/m68k/m68k.c (output_move_const_into_data_reg):
5758 Output correct mnemonic for mvz and mvs.
5760 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
5762 * rtl-factoring.c: Add sequence abstraction algorithm.
5763 * cfgcleanup.c (outgoing_edges_match): Extra checks.
5764 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
5765 ABNORMAL edges.
5766 (block_has_preserve_label): New function.
5767 * common.opt: Register new pass.
5768 * Makefile.in: Ditto.
5769 * passes.c: Ditto.
5770 * timevar.def: Ditto.
5771 * tree-pass.h: Ditto.
5772 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
5773 * rtl.h (make_jump_insn_raw): Add forward decl.
5774 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
5776 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
5777 Roger Sayle <roger@eyesopen.com>
5779 * fold-const.c (fold_minmax): New static function.
5780 (fold_binary) <MIN_EXPR>: Call it.
5781 <MAX_EXPR>: Likewise.
5782 * stor-layout.c (place_field): Use DECL_SIZE consistently
5783 in the computation of the new record size.
5785 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
5787 * cse.c (cse_condition_code_reg): Make it static.
5788 * rtl.h: Remove the prototype for cse_condition_code_reg.
5790 * combine.c (combine_instructions): Make it static.
5791 * rtl.h: Remove the prototype for combine_instructions.
5793 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5795 PR target/25168
5796 * tree.c (get_file_function_name_long): Concatenate the first global
5797 object name with a string derived from the input filename of the object
5798 for type "F".
5800 2006-01-16 Ben Elliston <bje@au.ibm.com>
5802 * config/i386/winnt-stubs.c: Update FSF address.
5803 * config/xtensa/ieee754-df.S: Ditto.
5804 * config/xtensa/ieee754-sf.S: Ditto.
5806 2006-01-14 Ian Lance Taylor <ian@airs.com>
5808 * ifcvt.c (noce_init_if_info): New static function, broken out of
5809 noce_process_if_block.
5810 (noce_process_if_block): Call noce_init_if_info.
5811 (check_cond_move_block): New static function.
5812 (cond_move_process_if_block): New static function.
5813 (process_if_block): Call cond_move_process_if_block.
5815 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
5817 * cselib.c (hash_table): Rename to cselib_hash_table.
5818 (cselib_clear_table, discard_useless_values,
5819 remove_useless_values, cselib_lookup_mem, cselib_lookup,
5820 cselib_init, cselib_finish): Adjust uses of hash_table.
5822 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
5824 PR tree-optimization/25485
5825 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
5826 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
5827 is known to be false and true, respectively.
5829 2006-01-14 Richard Guenther <rguenther@suse.de>
5831 PR tree-optimization/22548
5832 PR tree-optimization/22555
5833 PR tree-optimization/22501
5834 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
5835 * params.def (salias-max-array-elements): New parameter.
5836 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
5837 * doc/invoke.texi (salias-max-array-elements): Document.
5838 * tree-flow-inline.h (var_can_have_subvars): We also handle
5839 arrays now.
5840 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
5841 COMPONENT_REF.
5842 * tree-ssa-structalias.c (params.h): Include.
5843 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
5844 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
5845 (get_constraint_for): For ADDR_EXPR operating on something
5846 containing an ARRAY_REF, add all subvars to the solution.
5847 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
5848 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
5849 for creating MUST_DEFs.
5850 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
5852 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
5854 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
5855 functions.
5856 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
5857 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
5858 number_of_iterations_le): New functions.
5859 (number_of_iterations_special): Removed.
5860 (number_of_iterations_exit): Do not use number_of_iterations_special.
5861 * tree.c (unsigned_type_for): Always return integer type.
5863 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
5864 Richard Guenther <rguenther@suse.de>
5866 PR rtl-optimization/24257
5867 * gcse.c (find_moveable_store): Only consider a store movable
5868 when the SET_SRC of the insn can be assigned to a register.
5870 2006-01-14 Ian Lance Taylor <ian@airs.com>
5872 * tree.c (tree_not_class_check_failed): New function.
5873 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
5874 (tree_not_class_check_failed): Declare.
5876 2006-01-13 Ian Lance Taylor <ian@airs.com>
5878 * reload1.c (do_output_reload): Add assertion rejecting a
5879 CALL_INSN.
5881 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
5883 * combine.c (struct reg_stat): Add new fields truncation_label and
5884 truncated_to_mode.
5885 (record_value_for_reg): Reset truncated_to_mode.
5886 (record_truncated_value): New function.
5887 (check_promoted_subreg): Call it. Rename to check_conversions.
5888 (combine_instructions): Rename check_promoted_subreg to
5889 check_conversions.
5890 (reg_truncated_to_mode): New function.
5891 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
5892 (gen_lowpart_or_truncate): New function.
5893 (force_to_mode): Use it instead of gen_lowpart.
5895 2006-01-13 Diego Novillo <dnovillo@redhat.com>
5897 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
5898 VAR is a tag, not its type tag.
5900 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
5902 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
5903 alternatives to match style of other entries.
5904 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
5906 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
5908 PR tree-optimization/25771
5909 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
5910 SSA_NAMES.
5912 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
5914 PR tree-opt/24365
5915 * tree-inline.c (declare_return_variable): If the return variable
5916 was marked as a non gimple complex, set the return slot variable
5917 to be a non gimple comple variable.
5919 2006-01-13 Richard Guenther <rguenther@suse.de>
5921 * builtins.c (expand_builtin_sincos): New function.
5922 (expand_builtin_mathfn_3): Remove dead code, sin and cos
5923 do not set errno.
5924 (expand_builtin): Expand sincos using expand_builtin_sincos.
5926 2006-01-12 DJ Delorie <dj@redhat.com>
5928 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
5929 shift counts, separate SI shifts for m32c vs m16c, pass shift type
5930 so that constant shifts can be split.
5931 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
5932 (m32c_valid_pointer_mode): Make static.
5933 (shift_gen_func_for): New.
5934 (m32c_prepare_shift): Use it. Split large const shifts into
5935 multiple shifts.
5936 * config/m32c/predicates.md (shiftcount_operand): Allow more
5937 general operands.
5938 (longshiftcount_operand): New.
5939 * doc/md.texi (Machine Constraints): Document In6.
5941 2006-01-13 Ben Elliston <bje@au.ibm.com>
5943 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
5944 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
5945 documentation.
5947 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
5949 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
5950 to try to avoid clobbering pieces of structures when we know
5951 something about the whole structure.
5952 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
5954 2006-01-13 Ben Elliston <bje@au.ibm.com>
5956 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
5957 return in memory, as this is no limitation is no longer present.
5959 2006-01-12 DJ Delorie <dj@redhat.com>
5961 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
5962 mova with fb, and for fb+0 -> An.
5964 * config/m32c/mov.md (peephole2): Fix enabling logic.
5966 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
5967 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
5968 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
5969 FINI_ARRAY_SECTION_ASM_OP): Define.
5971 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
5972 variable.
5973 (m32c_legitimize_reload_address): New logic to reload FB to An.
5974 (m32c_output_reg_push): Add newline.
5975 (m32c_output_reg_pop): Likewise.
5977 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
5979 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
5981 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
5983 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
5985 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
5987 * config/sh/predicates.md (sh_rep_vec): Add parallel to
5988 match_code.
5990 2006-01-11 Ben Elliston <bje@au.ibm.com>
5992 * rtlanal.c (find_reg_note): Assert insn is not null.
5994 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
5996 * df-scan.c (df_hard_reg_init): Move declaration of i outside
5997 ifdef.
5999 2006-01-11 Jeff Law <law@redhat.com>
6001 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
6002 hold edge pairs.
6003 (mark_threaded_blocks, register_jump_thread): New functions.
6004 (thread_through_all_blocks): Remove unwanted argument. No
6005 longer rely on e->aux to communicate thread target info.
6006 Call mark_threaded_blocks. Release the threaded_blocks
6007 bitmap and threaded_edges vector when complete.
6008 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
6009 (threaded_blocks): Remove.
6010 (tree_ssa_dominator_optimize): Remove initialization and
6011 finalization of threaded_blocks. Simplify call to
6012 thread_through_all_blocks.
6013 (thread_across_edge): Call register_jump_thread rather than
6014 storing thread information into e->aux.
6015 (free_all_edge_infos): Simplify now that e->aux is no longer
6016 used to communicate with thread_through_all_blocks.
6017 * tree-flow.h (thread_through_all_blocks): Update prototype.
6018 (register_jump_thread): Prototype.
6020 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
6022 * df-core.c (df_compact_blocks, df_bb_replace): Use
6023 SET_BASIC_BLOCK instead of BASIC_BLOCK.
6025 2006-01-11 Richard Guenther <rguenther@suse.de>
6027 PR tree-optimization/25734
6028 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
6029 stop propagation after successful propagation to the LHS.
6031 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
6033 * basic-block.h (control_flow_graph): Change the type of
6034 x_basic_block_info to VEC(basic_block,gc) *.
6035 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
6036 basic_block_info.
6037 (SET_BASIC_BLOCK): New.
6038 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
6039 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
6040 * cfgbuild.c (find_basic_blocks): Likewise.
6041 * cfglayout.c (fixup_reorder_chain): Likewise.
6042 * cfgrtl.c (create_basic_block_structure,
6043 rtl_create_basic_block): Likewise.
6044 * ifcvt.c (find_if_case_1): Likewise.
6045 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
6046 Likewise.
6048 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
6050 * Makefile.in: Removed rotted odf.c entry.
6052 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
6054 PR target/25706
6055 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
6056 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
6057 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
6058 output pattern modifier, not %e.
6059 * config/cris/cris.c (cris_op_str): Update comment about pattern
6060 modifier.
6061 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
6062 before falling through into...
6063 <case 'E'>: Redefined from old 'e' case.
6065 2006-01-11 Jan Hubicka <jh@suse.cz>
6067 PR target/25042
6068 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
6070 2006-01-11 Jan Hubicka <jh@suse.cz>
6072 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
6073 * i386.c (x86_decompose_lea): Kill.
6074 (ix86_rtx_costs): Kill.
6076 2006-01-11 Jan Hubicka <jh@suse.cz>
6078 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
6079 * cgraph.h (cgraph_node): Add inline_decl.
6080 (cgraph_insert_node_to_hashtable): Declare.
6081 (save_inline_function_body): Declare.
6082 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
6083 clones.
6084 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
6085 (cgraph_function_versioning): Update call of tree_function_versioning.
6086 (save_inline_function_body): New function.
6087 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
6088 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
6089 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
6090 (cgraph_default_inline_p): Likewise.
6091 (cgraph_decide_inlining_incrementally): Likewise.
6092 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
6093 (copy_bb): Kill saving; do updating of clones.
6094 (copy_cfg_body): Kill saving.
6095 (initialize_inlined-parameters): Likewise.
6096 (expand_call_inline): Likewise.
6097 (save_body): Kill.
6098 (tree_function_versioning): New parameter "update_clones".
6099 (inlining_p): Kill saving.
6100 * tree-inline.h (tree_function_versioning): Update prototype.
6101 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
6102 saving.
6104 2006-01-11 Ian Lance Taylor <ian@airs.com>
6106 * combine.c (struct undo): Remove is_int. Enumify types of undos.
6107 Allow undoing set of machine mode.
6108 (do_SUBST): Use enums instead of is_int.
6109 (do_SUBST_MODE): New function.
6110 (SUBST_MODE): New macro.
6111 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
6112 reg and trying to replace reg_regno_rtx with a new register.
6113 (undo_all): Use new enums, handle undoing a PUT_MODE change.
6114 (simplify_set): Use SUBST_MODE.
6115 (distribute_notes): Remove code that tried to update reg notes
6116 for regno_reg_rtx changes.
6118 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
6120 PR tree-optimization/23109
6121 PR tree-optimization/23948
6122 PR tree-optimization/24123
6124 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
6125 * tree-cfg.c (single_noncomplex_succ): New.
6126 * tree-flow.h (single_noncomplex_succ): Declare it.
6127 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
6128 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
6129 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
6130 insert_bb, register_division_in, insert_reciprocals,
6131 replace_reciprocal, free_bb): New.
6132 (execute_cse_reciprocals_1): Rewritten.
6133 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
6134 Do not commit any edge insertion. Always compute dominators and
6135 create the allocation pool.
6136 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
6137 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
6138 * targhooks.c (default_min_divistions_for_recip_mul): New.
6139 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
6140 * passes.c (init_optimization_passes): Run recip after tree loop
6141 optimizations.
6142 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
6144 2006-01-11 Danny Berlin <dberlin@dberlin.org>
6145 Kenneth Zadeck <zadeck@naturalbridge.com>
6147 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
6148 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
6149 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
6150 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
6151 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
6152 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
6153 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
6154 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
6155 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
6156 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
6157 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
6158 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
6159 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
6160 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
6161 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
6162 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
6163 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
6164 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
6165 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
6166 DF_SCAN_POST_ALLOC): New macros.
6167 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
6168 df_free_bb_function, df_local_compute_function, df_init_function,
6169 df_dataflow_function, df_confluence_function_0,
6170 df_confluence_function_n, df_transfer_function,
6171 df_finalizer_function, df_free_function, df_dump_problem_function,
6172 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
6173 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
6174 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
6175 df_urec_bb_info, ) New types.
6176 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
6177 variables.
6178 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
6179 df_analyze_simple_change_some_blocks,
6180 df_analyze_simple_change_one_block, df_compact_blocks,
6181 df_bb_replace, df_bb_regno_last_use_find,
6182 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
6183 df_insn_regno_def_p, df_find_def, df_find_use,
6184 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
6185 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
6186 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
6187 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
6188 debug_df_chain, df_get_dependent_problem, df_chain_create,
6189 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
6190 df_grow_bb_info, df_chain_dump, df_print_bb_index,
6191 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
6192 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
6193 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
6194 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
6195 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
6196 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
6197 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
6198 df_ref_remove, df_insn_refs_delete, df_refs_delete,
6199 df_reorganize_refs, df_set_state, df_hard_reg_init,
6200 df_read_modify_subreg_p) New public functions.
6201 * df-core.c: The core dataflow solver and glue routines for rtl
6202 dataflow.
6203 (df_init, df_add_problem, df_set_blocks, df_finish,
6204 df_hybrid_search_forward, df_hybrid_search_backward,
6205 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
6206 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
6207 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
6208 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
6209 df_reg_defined, df_find_use, df_reg_used, df_dump,
6210 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
6211 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
6212 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
6213 debug_df_useno, reset_df_after_reload): New functions.
6214 * df-scan.c: The scanning fuctions, once in df.c, completely
6215 rewritten so that they now fully model the functionality of
6216 register usage at the backend.
6217 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
6218 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
6219 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
6220 df_grow_insn_info, df_rescan_blocks, df_ref_create,
6221 df_get_artificial_defs, df_get_artificial_uses,
6222 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
6223 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
6224 df_refs_delete, df_reorganize_refs, df_set_state,
6225 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
6226 df_def_record_1, df_defs_record, df_uses_record,
6227 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
6228 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
6229 df_record_exit_block_uses, df_hard_reg_init): New functions.
6231 * df-problems.c: Seven concrete dataflow problems that use the
6232 scanning in df-scan.c and are solved by the engine in df-core.c.
6233 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
6234 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
6235 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
6236 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
6237 df_ru_free_bb_info, df_ru_alloc,
6238 df_ru_bb_local_compute_process_def,
6239 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
6240 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
6241 df_ru_transfer_function, df_ru_free, df_ru_dump,
6242 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
6243 df_rd_free_bb_info, df_rd_alloc,
6244 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
6245 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
6246 df_rd_transfer_function, df_rd_free, df_rd_dump,
6247 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
6248 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
6249 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
6250 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
6251 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
6252 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
6253 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
6254 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
6255 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
6256 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
6257 df_urec_mark_reg_change, df_urec_check_earlyclobber,
6258 df_urec_mark_reg_use_for_earlyclobber,
6259 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
6260 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
6261 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
6262 df_urec_dump, df_urec_add_problem, df_chain_alloc,
6263 df_chain_create_bb_process_use, df_chain_create_bb,
6264 df_chain_finalize, df_chain_free, df_chains_dump,
6265 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
6266 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
6267 df_reg_lifetime): New functions.
6268 * df.c: Deleted file.
6269 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
6270 consistent with new df api.
6271 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
6272 rest_of_handle_sms): Ditto.
6273 * web.c (unionfind_union, union_defs, entry_register, web_main):
6274 Ditto.
6275 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
6276 invariant_expr_equal_p, find_defs, check_dependencies,
6277 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
6278 free_inv_motion_data, move_loop_invariants): Ditto.
6279 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
6280 Update dependencies.
6281 (odf.c): Added defective entry that was deleted later in day.
6282 * sched-deps.c (sched_analyze_1): Ditto.
6284 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
6286 * tree-ssa-operands.c (get_expr_operands): Record addressable
6287 variables directly. Do not call add_stmt_operands for CONST_DECLs
6288 and ARRAY_DECLs.
6289 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
6290 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
6292 2006-01-11 Ben Elliston <bje@au.ibm.com>
6294 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
6295 function returns true in the positive case.
6297 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6299 PR target/20754
6300 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
6301 for SI, DI, SF and DF modes. Add alternatives to copy between
6302 general and floating point registers to the 32-bit patterns.
6303 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
6304 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
6305 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
6306 generating 64-bit code.
6307 * config/pa/pa.c (output_move_double): Handle copies between general
6308 and floating registers.
6310 2006-01-10 Stuart Hastings <stuart@apple.com>
6312 * config/i386/i386.md (set_got): Update.
6313 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
6314 (builtin_setjmp_receiver): Mach-O support.
6315 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
6316 (GOT_SYMBOL_NAME): Define.
6317 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
6318 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
6319 * config/i386/i386.c (override_options): Revise for Darwin.
6320 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
6321 support. (darwin_x86_file_end): New. (output_set_got): Add label
6322 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
6323 * config/i386/i386-protos.h (output_set_got): Likewise.
6324 * config/darwin.c (machopic_legitimize_pic_address): Update
6325 regs_ever_live[].
6327 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
6329 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
6330 when MODE isn't BLKmode.
6332 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
6334 PR rtl-optimization/25367
6335 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
6337 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
6339 PR target/25718
6340 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
6341 for a negative bound.
6343 2006-01-10 Richard Guenther <rguenther@suse.de>
6345 * tree-ssa-structalias.c (get_constraint_for_component_ref):
6346 Never override with anything constraint.
6348 2006-01-10 Jan Beulich <jbeulich@novell.com>
6350 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
6351 256 bits when optimize_size.
6353 2006-01-10 Jan Beulich <jbeulich@novell.com>
6355 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
6356 MASK_ALIGN_DOUBLE.
6357 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
6358 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
6359 arguments.
6361 2006-01-10 Ben Elliston <bje@au.ibm.com>
6363 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
6364 float modes.
6365 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
6366 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
6367 (USE_FP_FOR_ARG): Reject decimal float modes.
6368 (function_arg_advance): Likewise.
6369 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
6370 (rs6000_handle_altivec_attribute): Do not permit decimal floating
6371 point types in AltiVec vectors.
6372 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
6373 (rs6000_libcall_value): Likewise.
6375 2006-01-09 Bob Wilson <bob.wilson@acm.org>
6377 * config/xtensa/ieee754-df.S: New file.
6378 * config/xtensa/ieee754-sf.S: New file.
6379 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
6380 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
6381 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
6383 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
6385 * config/sh/predicates.md (binary_float_operator,
6386 binary_logical_operator, commutative_float_operator,
6387 equality_comparison_operator, greater_comparison_operator,
6388 less_comparison_operator, logical_operator,
6389 noncommutative_float_operator, shift_operator,
6390 symbol_ref_operand, unary_float_operator): Remove redundant
6391 conditionals.
6393 2006-01-09 Jeff Law <law@redhat.com>
6395 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
6396 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
6397 now unused arguments. Callers updated.
6398 (eliminate_redundant_computations): Remove now unused arguments,
6399 callers updated.
6400 (local_fold): Remove, no longer used.
6401 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
6402 and moved to...
6403 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
6404 (simplify_cond): New function.
6405 (forward_propagate_into_cond): Call simplify_cond.
6407 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
6409 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
6410 (*vec_extractv2di_1_sse): New.
6412 2006-01-09 Ben Elliston <bje@au.ibm.com>
6414 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
6416 2006-01-08 Richard Guenther <rguenther@suse.de>
6418 * tree-ssa-structalias.c (get_constraint_for): Remove
6419 anyoffset argument.
6420 (get_constraint_for_component_ref): Likewise.
6421 (do_deref): Likewise.
6422 (get_constraint_for): Likewise.
6423 (do_structure_copy): Likewise.
6424 (handle_ptr_arith): Likewise.
6425 (find_func_aliases): Likewise. Remove unused need_anyoffset
6426 variable.
6428 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
6429 Kaz Kojima <kkojima@gcc.gnu.org>
6431 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
6432 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
6433 (EXTRA_CONSTRAINT_C16): Remove.
6434 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
6435 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
6436 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
6437 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
6438 constants of SHmedia. Handle nested constant expressions of
6439 SHmedia correctly.
6440 (andcosts): Fix the costs for SHmedia constants.
6441 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
6442 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
6443 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
6444 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
6445 (movv4hi_i, movv2si_i): Likewise.
6446 (movsi_const): Adjust the second operand of ior so to match with
6447 the Csu constraint.
6448 (movdi_const, movdi_const_32bit): Likewise.
6449 (movdi_const_16bit+1): Don't sign-extend LOW.
6450 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
6451 step.
6452 (*double_shori): Fix the split condition. Use GEN_INT instead
6453 of get_int_mode calls. Mask lower 16-bit of the argument of
6454 the last GEN_INT.
6455 (sym2GOTPLT): Remove.
6456 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
6457 gen_rtx_UNSPEC.
6458 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
6459 instead of EXTRA_CONSTRAINT_C16.
6461 2006-01-07 Ian Lance Taylor <ian@airs.com>
6462 David Edelsohn <edelsohn@gnu.org>
6464 PR rtl-optimization/25662
6465 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
6466 for constant operands instead of simplify_gen_binary.
6467 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
6468 after trying simplify_binary_operation
6470 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
6472 * tree.c (iterative_hash_expr): Hash decls based on UID.
6474 2006-01-06 Eric Christopher <echristo@apple.com>
6476 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
6477 (TARGET_UNWIND_EMIT): Fix spelling.
6478 * target.h (gcc_target): Add except_table_label.
6479 * except.c (output_function_exception_table): Use.
6480 * varasm.c (default_emit_except_table_label): New.
6481 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
6482 define.
6483 (asm_out): Add here.
6484 * output.h (default_emit_except_table_label): Prototype.
6485 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
6486 * config/darwin.c (darwin_emit_except_table_label): Define.
6487 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
6489 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
6491 PR tree-optimization/18527
6492 * tree-ssa-loop-niter.c (number_of_iterations_cond,
6493 number_of_iterations_special, number_of_iterations_exit):
6494 Move base and step of an iv to a single structure. Add
6495 no_overflow flag, and use it in # of iterations analysis.
6496 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
6497 folded_casts argument.
6498 (simple_iv): Pass base and step in a structure. Set no_overflow
6499 flag.
6500 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
6501 Evaluate expensiveness of computing # of iterations instead of
6502 the final expression.
6503 * tree-scalar-evolution.h (affine_iv): New structure.
6504 (simple_iv): Declaration changed.
6505 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
6506 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
6507 find_givs_in_stmt): Changed due to simple_iv change.
6509 2006-01-06 Jeff Law <law@redhat.com>
6511 PR ada/24994
6512 * tree-cfg.c (bsi_replace): Rename final argument from
6513 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
6514 change (stmt -> orig_stmt).
6515 * tree-eh.c (verify_eh_throw_stmt_node): New function.
6516 (bsi_remove): Add new argument. Remove EH information
6517 if requested.
6518 (verify_eh_throw_table_statements): New function.
6519 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
6520 updated.
6521 * tree-optimize.c (execute_free_cfg_annotations): Verify
6522 the EH throw statement table after removing annotations.
6523 * except.h (verify_eh_throw_table_statements): Prototype.
6524 * tree-flow.h (bsi_remove): Update prototype.
6525 * tree-vrp.c (remove_range_assertions): Add new argument to
6526 bsi_remove call.
6527 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
6528 * tree-complex.c (expand_complex_div_wide): Likewise.
6529 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
6530 * tree-tailcall.c (eliminate_tailcall): Likewise.
6531 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
6532 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
6533 * tree-nrv.c (tree_nrv): Likewise.
6534 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
6535 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
6536 (combine_blocks): Likewise.
6537 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
6538 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
6539 (cleanup_control_flow): Likewise.
6540 (remove_forwarder_block): Likewise.
6541 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
6542 * tree-sra.c (sra_replace): Likewise.
6543 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
6544 (forward_propagate_single_use_vars): Likewise.
6545 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
6546 * tree-inline.c (expand_call_inline): Likewise.
6547 * tree-vect-transform.c (vect_transform_loop): Likewise.
6548 * tree-outof-ssa.c (rewrite_trees): Likewise.
6549 * tree-cfg.c (make_goto_expr_edges): Likewise.
6550 (cleanup_dead_labels): Likewise.
6551 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
6552 (bsi_move_before, bsi_move_after): Likewise.
6553 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
6554 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
6556 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
6558 PR tree-opt/25528
6559 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
6560 and IMAGPART_EXPR.
6561 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
6562 on non gimple variables. Also add checks at the top for decls and
6563 mtags.
6564 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
6565 complex types.
6566 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
6567 and IMAGPART_EXPR for creating MUST_DEFs.
6568 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
6569 and NAME_MEMORY_TAG separately from the DECLs.
6571 2006-01-06 Richard Guenther <rguenther@suse.de>
6573 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
6574 annotation, if necessary.
6575 * tree-ssa-pre.c (create_expression_by_pieces): Remove
6576 redundant calls to update_stmt.
6577 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
6578 Likewise.
6580 2006-01-05 Richard Henderson <rth@redhat.com>
6582 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
6584 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
6586 * c-typeck.c: Update copyright date.
6588 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
6590 * c-typeck.c (build_c_cast): Always warn when casting
6591 from a pointer to an integer of different size, even if
6592 the node was constant.
6594 2006-01-05 Richard Guenther <rguenther@suse.de>
6596 PR tree-optimization/22555
6597 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
6598 if one structure field is an array.
6599 * tree-ssa-operands.c (get_expr_operands): Continue scanning
6600 operands even if we found a subvar, but ignore VOPs in this
6601 case.
6602 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
6603 for renaming.
6604 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
6606 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
6608 PR middle-end/24998
6609 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
6611 2006-01-05 Richard Guenther <rguenther@suse.de>
6612 Diego Novillo <dnovillo@redhat.com>
6614 * tree-pass.h (TODO_remove_unused_locals): Define.
6615 * gimple-low.c (expand_var_p, remove_useless_vars,
6616 pass_remove_useless_vars): Remove. Update all users.
6617 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
6618 (remove_unused_locals): New function.
6619 * tree-flow.h (remove_unused_locals): Declare.
6620 * passes.c (execute_todo): Call remove_unused_locals if
6621 TODO_remove_unused_locals is set.
6622 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
6623 * tree-ssa-dce.c (pass_dce): Likewise.
6624 * tree-outof-ssa.c (pass_del_ssa): Likewise.
6626 2006-01-05 Richard Guenther <rguenther@suse.de>
6628 * tree-flow.h (struct fieldoff): Decompose field to
6629 type, size and decl.
6630 * tree-ssa-alias.c (create_sft): Take type as parameter.
6631 (create_overlap_variables_for): Store type, size and decl
6632 in the fieldoff structure.
6633 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
6634 of struct fieldoff.
6635 (push_fields_onto_fieldstack): Likewise.
6636 (create_variable_info_for): Likewise. Use offset for the
6637 SFT name if the decl is not available.
6639 2006-01-04 Paul Brook <paul@codesourcery.com>
6641 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
6643 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
6645 * lambda-code.c (can_put_in_inner_loop): Relax
6646 restrictions.
6647 (can_put_after_inner_loop): New function.
6648 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
6649 (perfect_nestify): Change to make copies and modify uses.
6651 2006-01-04 Richard Henderson <rth@redhat.com>
6653 Merge from gomp branch:
6654 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
6655 via integer constant.
6656 (pragma_lex): Remove.
6657 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
6658 rather than parsing it.
6659 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
6660 handle_pragma_extern_prefix): Add %< %> quotes.
6661 (registered_pragmas): New.
6662 (c_register_pragma_1): New.
6663 (c_register_pragma): Use it.
6664 (c_register_pragma_with_expansion): Likewise.
6665 (c_invoke_pragma_handler): New.
6666 (init_pragma): Use cpp_register_deferred_pragma directly for
6667 pch_preprocess.
6668 * c-pragma.h (enum pragma_kind): New.
6669 (pragma_handler): New.
6670 (c_invoke_pragma_handler): Declare.
6671 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
6672 CPP_PRAGMA_EOL.
6673 * c-common.h (c_common_pch_pragma): Update decl.
6674 * Makefile.in (c-parser.o): Update dependencies.
6675 (GTFILES): Add c-pragma.h.
6676 * c-parser.c (struct c_token): Add pragma_kind.
6677 (struct c_parser): Add in_pragma.
6678 (c_lex_one_token): Always initialize keyword and pragma_kind.
6679 Extract data for CPP_PRAGMA.
6680 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
6681 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
6682 Don't allow CPP_PRAGMA_EOL if in_pragma.
6683 (c_parser_consume_pragma): New.
6684 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
6685 (c_parser_skip_to_end_of_parameter): Likewise.
6686 (c_parser_skip_to_end_of_block_or_statement): Likewise.
6687 (c_parser_skip_to_pragma_eol): New.
6688 (c_parser_external_declaration): Handle CPP_PRAGMA.
6689 (c_parser_compound_statement_nostart): Likewise.
6690 (c_parser_statement_after_labels): Likewise.
6691 (c_parser_pragma): New.
6692 (pragma_lex): Likewise.
6693 (c_parser_pragma_pch_preprocess): New.
6694 (c_parser_new): Merge into ...
6695 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
6697 2006-01-04 Jeff Law <law@redhat.com>
6699 PR ada/24994
6700 * tree-cfg.c (bsi_replace): Remove the original statement
6701 from the EH throw statement table.
6703 2006-01-04 Jakub Jelinek <jakub@redhat.com>
6705 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
6706 make the prototype extern "C" and add throw ().
6708 PR target/25554
6709 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
6710 and pos non-negative and pos + len <= 32.
6711 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
6712 drop pos + len < HOST_BITS_PER_WIDE_INT test.
6713 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
6715 PR c/25559
6716 * c-common.c (handle_vector_size_attribute): Reject zero vector size
6717 as well as sizes not multiple of component size.
6719 PR debug/25562
6720 * function.c (instantiate_expr): New function.
6721 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
6722 walk its DECL_VALUE_EXPR with instantiate_expr.
6724 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
6725 DW_OP_deref{,_size} if address isn't going to be added.
6727 2006-01-04 Ben Elliston <bje@au.ibm.com>
6729 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
6730 * config/fp-bit.c: Likewise.
6732 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
6734 * dominance.c: Add comment about why we use DFS numbering
6735 of dominance tree.
6737 2006-01-03 Jakub Jelinek <jakub@redhat.com>
6738 Richard Henderson <rth@redhat.com>
6740 Merge from gomp-branch:
6741 * varasm.c (assemble_variable): Handle thread-local COMMON data.
6742 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
6744 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
6746 PR rtl-optimization/25578
6747 * combine.c (combine_simplify_rtx, force_to_mode): Don't
6748 pass a parameter to simplify_shift_const if changing ASHIFTRT
6749 to LSHIFTRT.
6751 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
6753 * builtins.c (get_builtin_sync_mem): New function.
6754 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
6755 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
6756 Call get_builtin_sync_mem to generate mem rtx.
6758 2006-01-03 Richard Guenther <rguenther@suse.de>
6760 PR c/25183
6761 * stmt.c (add_case_node): Make sure to clear overflow flags
6762 from ranges.
6764 2006-01-03 Jakub Jelinek <jakub@redhat.com>
6766 Merge from gomp-branch.
6767 * config/sparc/sync.md: New file.
6768 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
6769 UNSPECV_LDSTUB): New constants.
6770 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
6771 * config/sparc/predicates.md (memory_reg_operand): New predicate.
6772 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
6773 prototype.
6775 2006-01-03 Roger Sayle <roger@eyesopen.com>
6777 * combine.c (reg_subword_p): New predicate to test whether the
6778 destination of a set refers to a subword/piece of a register.
6779 (try_combine): Generalize the code to merge the setting of a
6780 pseudo to a constant followed by a set of a subword of that
6781 register to a constant.
6783 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
6785 * basic-block.h (control_flow_graph): Change the type of
6786 x_label_to_block_map to VEC(basic_block,gc) *.
6787 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
6788 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
6790 * tree-ssa-propagate.c (cfg_blocks): Change the type to
6791 VEC(basic_block,heap) *.
6792 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
6793 ssa_prop_fini): Adjust the uses of cfg_blocks.
6795 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
6797 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
6798 COMPONENT_REFs.
6799 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
6800 hashing trees instead of a pointer hash.
6801 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
6802 compare for MEM_EXPR.
6804 PR rtl-optimization/25130
6805 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
6806 when comparing MEMs for GCSE
6808 2006-01-03 Ben Elliston <bje@au.ibm.com>
6810 * targhooks.h (default_decimal_float_supported_p): Declare.
6811 * targhooks.c (default_decimal_float_supported_p): Define.
6812 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
6813 `default_decimal_float_supported_p'.
6814 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
6816 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
6818 * combine.c (apply_distributive_law <SUBREG>): Check
6819 TRULY_NOOP_TRUNCATION.
6821 2006-01-02 Geoffrey Keating <geoffk@apple.com>
6823 * dwarf2out.c (have_switched_text_section): Delete.
6824 (have_multiple_function_sections): New.
6825 (have_location_lists): Make 'bool'.
6826 (add_AT_loc_list): Use 'true' not '1'.
6827 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
6828 (output_loc_list): Use have_multiple_function_sections.
6829 (output_ranges): Likewise.
6830 (dwarf2out_begin_function): Set have_multiple_function_sections if
6831 necessary.
6832 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
6833 Check function_section rather than DECL_SECTION_NAME.
6834 (dwarf2out_finish): Use have_multiple_function_sections.
6835 Don't clear have_location_lists.
6837 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
6838 Jan Hubicka <jh@suse.cz>
6840 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
6841 case of conditional jump jumping to the next instruction.
6842 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
6843 cases of conditional jump jumping to the next instruction.
6845 2006-01-02 Jan Hubicka <jh@suse.cz>
6847 * i386.c (*_cost): Add COSTS_N_INSNS.
6848 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
6850 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
6852 PR target/25259
6853 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
6855 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6857 * config/arm/arm.c (all_fpus): Fix comment typo.
6858 * config/darwin.c: Likewise.
6859 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
6860 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
6861 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
6863 2006-01-01 David Edelsohn <edelsohn@gnu.org>
6865 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
6866 (rs6000_split_compare_and_swapqhi): New.
6867 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
6868 (sync_compare_and_swapqhi_internal): New.
6869 * config/rs6000/rs6000-protos.h: Declare.