| blob | 8bb4a2af011acd490e521da5d27837cd209ee1ae |
1 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
3 * genpreds.c (write_insn_constraint_len): Change definition of
4 insn_constraint_len to return size_t to match the declaration.
6 2006-03-10 DJ Delorie <dj@redhat.com>
8 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
9 start at zero.
10 (m32c_expand_insv): Fix test for an AND mask.
12 2006-03-10 Richard Guenther <rguenther@suse.de>
14 PR middle-end/26565
15 * builtins.c (get_pointer_alignment): Handle component
16 references for field alignment.
18 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
20 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
21 when building with libgloss.
22 (sh*elf): Implement --without-fp option.
23 (sh64-superh-linux*): Don't multilib.
25 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
27 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
29 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
31 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
32 Set it when one of the replacement functions returned true.
33 Return TODO_cleanup_cfg if cfgchanged is true.
34 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
36 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
38 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
39 instead of gen_lowpart.
41 2006-03-09 Richard Sandiford <richard@codesourcery.com>
43 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
44 interface.
45 (mips_output_order_conditional_branch): Declare.
46 * config/mips/mips.h (MIPS_BRANCH): New macro.
47 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
48 for the comparison. Use gen_condjump.
49 (mips_output_conditional_branch): Rework interface to take the
50 asm templates for a direct branch and the inverse of a direct branch.
51 (mips_output_order_conditional_branch): New function.
52 (mips_builtin_branch_and_move): New function.
53 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
54 branch condition. Use gen_single_cc as the condition for
55 __builtin_mips_upper_* or __builtin_mips_lower_*.
56 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
57 Use VOIDmode for the branch condition.
58 * config/mips/predicates.md (order_operator): New predicate.
59 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
60 (branch_fp): Rename to...
61 (*branch_fp): ...this. Remove mode from comparison operator.
62 Use new mips_output_conditional_branch interface.
63 (branch_fp_inverted): Rename to...
64 (*branch_fp_inverted): ...this and update as for *branch_fp.
65 (*branch_zero<mode>): Rename to...
66 (*branch_order<mode>): ...this. Remove mode from comparison operator.
67 Use mips_output_order_conditional_branch. Only accept ordered
68 comparisons.
69 (*branch_zero<mode>_inverted): Rename to...
70 (*branch_order<mode>_inverted): ...this and update as for
71 *branch_order<mode>.
72 (*branch_equality<mode>): Accept zero as the second operand to
73 the equality operator. Use the new mips_output_conditional_branch
74 interface.
75 (*branch_equality<mode>_inverted): Likewise.
76 (condjump): New expander.
77 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
78 operator.
79 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
80 (bc1any2t, bc1any2f): Likewise.
81 (single_cc): New expander.
82 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
84 2006-03-09 Richard Sandiford <richard@codesourcery.com>
86 * doc/md.texi: Update documentation of MIPS constraints.
87 * config/mips/constraints.md: New file.
88 * config/mips/mips.md: Include it.
89 * config/mips/mips.c (mips_char_to_class): Delete.
90 (override_options): Don't initialize mips_char_to_class.
91 * config/mips/mips.h (mips_char_to_class): Delete.
92 (REG_CLASS_FROM_LETTER): Delete.
93 (CONST_OK_FOR_LETTER_P): Delete.
94 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
95 (EXTRA_CONSTRAINT_Y): Delete.
96 (EXTRA_CONSTRAINT_STR): Delete.
97 (CONSTRAINT_LEN): Delete.
98 (EXTRA_MEMORY_CONSTRAINT): Delete.
100 2006-03-09 Diego Novillo <dnovillo@redhat.com>
102 * tree-cfg.c (move_block_to_fn): Remove the statements from the
103 original fn's eh regions.
105 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
107 * fold-const.c (build_range_check): Make sure to use a valid type to
108 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
109 transformation.
111 (range_predecessor): New static function.
112 (range_successor): Likewise.
113 (merge_ranges): Use them to compute predecessors and successors of
114 range bounds.
116 2006-03-09 Roger Sayle <roger@eyesopen.com>
118 PR middle-end/26561
119 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
120 X op C3, consider whether C3 overflows towards +Inf or -Inf.
122 2006-03-08 DJ Delorie <dj@redhat.com>
124 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
125 (addpsi3): Expand to include memory operands. Remove
126 reload-specific splits.
127 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
128 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
129 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
130 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
131 (shift1_qi, shift1_hi, insv): New.
132 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
133 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
134 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
135 cond_to_int): New.
136 * config/m32c/m32c-protos.h: Update as needed.
137 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
138 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
139 Fail for unrecognized R* constraints.
140 (m32c_cannot_change_mode_class): Be more picky about pseudos.
141 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
142 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
143 Add Sp constraint.
144 (m32c_init_libfuncs): New.
145 (m32c_legitimate_address_p): Add debug wrapper.
146 (m32c_rtx_costs): New.
147 (m32c_address_cost): New.
148 (conversions): Add 'B' prefix.
149 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
150 operands, or word regnames for QI operands. 'B' prints bit
151 position.
152 (m32c_expand_setmemhi): New.
153 (m32c_expand_movmemhi): New.
154 (m32c_expand_movstr): New.
155 (m32c_expand_cmpstr): New.
156 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
157 (m32c_expand_neg_mulpsi3): Handle non-ints.
158 (m32c_cmp_flg_0): New.
159 (m32c_expand_movcc): New.
160 (m32c_expand_insv): New.
161 (m32c_scc_pattern): New.
162 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
163 a0/a1 out of SIregs.
164 (STORE_FLAG_VALUE): New.
165 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
166 code macros.
167 (no_insn): New.
168 * config/m32c/mov.md: Make constraints more liberal.
169 (zero_extendqihi2): Optimize r0/r1 case.
170 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
171 * config/m32c/predicates.md (m32c_any_operand): New.
172 (m32c_nonimmediate_operand): New.
173 (m32c_hl_operand): New.
174 (m32c_r3_operand): New.
175 (ap_operand): New.
176 (ma_operand): New.
177 (memsym_operand): New.
178 (memimmed_operand): New.
179 (a_qi_operand): New.
180 (m32c_eqne_operator): New.
181 (m32c_1bit8_operand): New.
182 (m32c_1bit16_operand): New.
183 (m32c_1mask8_operand): New.
184 (m32c_1mask16_operand): New.
185 * config/m32c/blkmov.md: New file.
186 * config/m32c/t-m32c (MD_FILES): Add blkmov.
188 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
190 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
191 unsigned to fix signed/unsigned comparison issue in
192 DWARF2_FRAME_REG_OUT.
193 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
194 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
196 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
197 of ptr into the ENABLE_CHECKING section.
199 2006-03-08 Jeff Law <law@redhat.com>
201 * tree-vrp.c (infer_value_range): Only count pointer uses
202 and dereferences if -fdelete-null-pointer-checks is enabled.
204 * tree-vrp.c (find_assert_locations): Infer value ranges for
205 single use pointers, but do not create ASSERT_EXPRs for them.
206 When a non-null range is inferred for a pointer, backwards
207 propagate that range to other equivalent pointers through the
208 use-def chain.
210 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
212 PR bootstrap/26500
213 * Makefile.in (dvi, html, install-info): Invoke the corresponding
214 language hook targets.
215 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
216 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
217 if language hook targets were missing.
219 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
221 * tree-ssa-opfinalize.h: Removed.
222 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
223 dependency.
224 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
225 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
226 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
227 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
228 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
229 finalize_ssa_v_must_def_ops): New.
231 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
233 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
234 block as parameter.
236 2006-03-07 Geoffrey Keating <geoffk@apple.com>
238 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
240 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
241 addresses with offsets; reorganize.
243 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
244 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
245 (expand_builtin_init_dwarf_reg_sizes): Likewise.
247 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
249 PR target/26588
250 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
252 2006-03-08 Ben Elliston <bje@au.ibm.com>
254 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
256 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
258 PR gomp/26238
259 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
260 expansion.
262 2006-03-07 Richard Guenther <rguenther@suse.de>
264 PR tree-optimization/26587
265 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
267 2006-03-07 Richard Sandiford <richard@codesourcery.com>
269 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
271 2006-03-07 Richard Sandiford <richard@codesourcery.com>
273 * hooks.c (hook_bool_mode_rtx_true): New function.
274 * hooks.h (hook_bool_mode_rtx_true): Declare.
275 * toplev.c (compile_file): Call output_shared_constant_pool.
276 * varasm.c (shared_constant_pool): New variable.
277 (assemble_start_function, assemble_end_function): Remove arguments
278 from call to output_constant_pool.
279 (create_constant_pool): New function, split out from...
280 (init_varasm_status): ...here.
281 (force_const_mem): Choose between the shared and per-function constant
282 pools. Set current_function_uses_const_pool when reusing old entries
283 as well as when creating new ones.
284 (mark_constant): Ignore data argument.
285 (mark_constants): Remove pool argument.
286 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
287 to decide whether the function uses a constant pool.
288 (output_constant_pool_contents): New function, split out from...
289 (output_constant_pool): ...here.
290 (output_shared_constant_pool): New function.
291 (init_varasm_once): Initialize shared_constant_pool.
292 * output.h (output_constant_pool): Delete.
293 (output_shared_constant_pool): Declare.
294 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
295 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
297 2006-03-06 Nick Clifton <nickc@redhat.com>
299 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
300 flag_strength_reduce.
302 2006-03-06 Ben Elliston <bje@au.ibm.com>
304 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
305 x86_64-*-linux* configurations.
307 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
308 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
310 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
312 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
313 Remove.
314 * basic-block.h: Remove the extern for
315 rediscover_loops_after_threading.
317 * cfgloop.c (cancel_loop): Make it static.
318 * cfgloop.h: Remove the prototype for cancel_loop.
320 * flow.c (recompute_reg_usage): Make it static.
321 * rtl.h: Remove the prototype for recompute_reg_usage.
323 * function.c (use_return_register): Make it static.
324 * function.h: Remove the prototype.
326 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
328 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
329 Remove.
330 * recog.h: Remove the prototype for
331 validate_change_maybe_volatile.
333 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
335 * rtlanal.c (replace_reg): Remove.
336 * rtl.h: Remove the prototype for replace_reg.
338 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
340 * regclass.c (reg_scan_update): Remove.
341 (reg_scan_mark_refs): Remove the last argument.
342 * rtl.h: Remove the prototype for reg_scan_update.
344 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
346 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
347 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
348 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
349 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
350 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
351 loop-invariant.c, omp-low.c, opts.c, passes.c,
352 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
353 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
354 tree-ssa-structalias.c, tree-ssa-threadedge.c,
355 tree-ssa-threadupdate.c, tree-vect-patterns.c,
356 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
357 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
359 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
361 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
362 * dwarf2out.h: Remove the prototype for
363 dwarf2out_add_library_unit_info.
365 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
367 * tree.c (add_var_to_bind_expr): Remove.
368 * tree.h: Remove the prototype for add_var_to_bind_expr.
370 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
372 * regclass.c (n_non_fixed_regs): Remove.
373 (init_reg_sets_1, globalize_reg): Remove all uses of
374 n_non_fixed_regs.
375 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
377 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
379 * rtlanal.c (insns_safe_to_move_p): Remove.
380 * rtl.h: Remove the prototype for insns_safe_to_move_p.
382 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
384 * expmed.c (expand_mult_add): Remove.
385 * expr.h: Remove the prototype for expand_mult_add.
387 2006-03-04 Jakub Jelinek <jakub@redhat.com>
389 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
390 and REG_SAVED_VAL_EXP constants.
391 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
392 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
393 Handle regs stored by value.
394 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
395 (execute_cfa_program): Handle DW_CFA_val_offset,
396 DW_CFA_val_offset_sf and DW_CFA_val_expression.
397 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
398 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
399 (uw_install_context_1): Handle target regs stored by value.
401 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
403 * tree-sra.c (tree_sra): Return todoflags;
404 (generate_one_element): Set TODO_update_smt_usage if needed.
405 (pass_sra): Remove TODO_update_smt_usage.
406 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
407 parameter.
408 (tree_ssa_forward_propagate_single_use_vars): Return
409 TODO_update_smt_usage if we need to update SMT usage.
410 (pass_forwprop): Remove TODO_update_smt_usage.
412 2006-03-03 Diego Novillo <dnovillo@redhat.com>
414 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
415 (correct_use_link): Remove reference to get_stmt_operands.
416 (update_stmt_operands): Likewise.
417 (get_modify_expr_operands): New function factored out of
418 parse_ssa_operands and get_expr_operands.
419 Try to create V_MUST_DEFs for LHS by default.
420 (get_expr_operands) <case MODIFY_EXPR>: Call
421 get_modify_expr_operands.
422 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
423 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
424 (parse_ssa_operands) <case MODIFY_EXPR>: Call
425 get_modify_expr_operands.
427 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
429 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
430 * tree-flow.h: Remove the prototype for
431 referenced_var_lookup_if_exists.
433 2006-03-03 Steve Ellcey <sje@cup.hp.com>
435 PR rtl-optimization/26345
436 PR target/19061
437 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
439 2006-03-03 Roger Sayle <roger@eyesopen.com>
441 PR tree-optimization/26524
442 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
443 fold_convert to create a constant of the appropriate type.
445 2006-03-03 Richard Sandiford <richard@codesourcery.com>
447 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
448 SYMBOL_REF_IN_BLOCK_P.
449 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
450 of SYMBOL_FLAG_IN_BLOCK.
451 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
452 instead of SYMBOL_REF_IN_BLOCK_P.
453 * explow.c (use_anchored_address): Likewise.
454 * rtl.c (rtx_size): Likewise.
455 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
456 instead of SYMBOL_FLAG_IN_BLOCK.
457 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
458 SYMBOL_REF_IN_BLOCK_P.
459 (assemble_variable): Likewise.
460 (output_constant_def_contents): Likewise.
461 (output_constant_pool): Likewise.
462 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
463 instead of SYMBOL_FLAG_IN_BLOCK.
464 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
465 SYMBOL_REF_IN_BLOCK_P.
466 (SYMBOL_REF_BLOCK): Likewise.
467 (SYMBOL_REF_OFFSET): Likewise.
468 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
469 SYMBOL_REF_IN_BLOCK_P.
470 (SYMBOL_FLAG_IN_BLOCK): Replace with...
471 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
472 (SYMBOL_REF_IN_BLOCK_P): Replace with...
473 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
475 2006-03-03 Jakub Jelinek <jakub@redhat.com>
477 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
479 2006-03-02 Roger Sayle <roger@eyesopen.com>
481 * simplify-rtx.c (simplify_unary_operation): When simplifying
482 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
483 that we perform the right shift in the appropriate mode, and
484 then extend or truncate the result to requested mode.
486 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
488 * gengtype.c (main): Handle double_int type.
489 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
490 * double-int.c: New file.
491 * double-int.h: New file.
492 * system.h: Include doubleint.h.
493 * Makefile.in (SYSTEM_H): Include double-int.h.
494 (double-int.o): Add.
496 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
498 PR bootstrap/26478
499 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
500 copying over it.
502 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
504 * tree-vrp.c (remove_range_assertions): Do not update statements
505 unnecessarily.
507 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
509 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
510 cleanup.
511 * gcse.c (rest_of_handle_gcse): Ditto.
512 * except.c (gate_handle_eh): Ditto.
513 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
514 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
516 2006-03-02 Eric Christopher <echristo@apple.com>
518 * config/i386/i386.c (machopic_output_stub): Add indirection to
519 jump.
521 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
523 * loop.c: Removed.
525 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
527 Sun Niagara specific optimizations.
528 * config.gcc: Recognize niagara as target.
529 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
530 (TARGET_CPU_niagara): Define.
531 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
532 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
533 (CPP_CPU_SPEC): Handle -mcpu=niagara.
534 (ASM_CPU_SPEC): Likewise.
535 (PROCESSOR_NIAGARA): New enum entry.
536 (REGISTER_MOVE_COST): Handle Niagara.
537 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
538 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
539 (sparc_override_options): Recognize "niagara", set appropriate
540 default MASK_* values for it, and align functions to 32-bytes
541 by default just like ULTRASPARC/ULTRASPARC3.
542 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
543 (sparc64_initialize_trampoline): Likewise.
544 (sparc_use_sched_lookahead): Use zero for niagara.
545 (sparc_issue_rate): Use one for niagara.
546 * config/sparc/niagara.md: New file.
547 * config/sparc/sparc.md: Include it.
548 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
549 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
550 when default cpu is niagara.
551 (CPP_CPU_SPEC): Handle -mcpu=niagara.
552 (ASM_CPU_SPEC): Likewise.
553 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
554 when default cpu is niagara.
555 (ASM_CPU_SPEC): Handle -mcpu=niagara.
556 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
557 just like v9/ultrasparc/ultrasparc3.
558 * doc/invoke.texi: Add documentation for "niagara" and improve
559 existing documentation for ultrasparc variants.
561 2006-03-02 Diego Novillo <dnovillo@redhat.com>
563 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
565 2006-03-02 Richard Sandiford <richard@codesourcery.com>
567 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
568 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
569 and say that only one is needed.
570 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
571 * target.h (have_switchable_bss_sections): New hook.
572 * explow.c (use_anchored_address): Check that the symbol is in a block.
573 * varasm.c (tls_comm_section, comm_section, lcomm_section)
574 (bss_noswitch_section): New variables.
575 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
576 (get_noswitch_section): New function.
577 (get_block_for_section): Allow SECT to be null.
578 (unlikely_text_section_p): Use SECTION_STYLE.
579 (bss_initializer_p): New function.
580 (get_variable_section): Move earlier in file. Take a new argument,
581 prefer_noswitch_p. Move bss checks from assemble_variable to here.
582 Return one of the new *_sections in such cases.
583 (get_block_for_decl): New function, extracting some logic from
584 use_blocks_for_decl_p.
585 (change_symbol_section): Remove in favor of...
586 (change_symbol_block): ...this new function.
587 (use_blocks_for_decl_p): Remove checks now performed by
588 get_block_for_decl.
589 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
590 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
591 (emit_local, emit_bss, emit_common): ...these new functions.
592 Return true if the alignment was honored.
593 (emit_tls_common): New function.
594 (asm_emit_uninitialised): Delete.
595 (assemble_variable_noswitch): New function, split out from...
596 (assemble_variable): ...here. Don't make decisions about common
597 variables here. Globalize all public decls that go into non-common
598 sections. Check whether SYMBOL_REF_BLOCK is null.
599 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
600 (output_constant_pool): Likewise.
601 (init_varasm_once): Initialize the new section variables.
602 (have_global_bss_p): New function.
603 (categorize_decl_for_section): Use bss_initializer_p.
604 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
605 (place_block_symbol): Assert that the symbol must be in a block.
606 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
607 (TARGET_INITIALIZER): Include it.
608 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
609 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
610 (SECTION_MACH_DEP): Bump by two.
611 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
612 (unnamed_section): Mention SECTION_UNNAMED in comment.
613 (named_section): Likewise SECTION_NAMED.
614 (noswitch_section_callback): New type.
615 (noswitch_section): New structure.
616 (section): Add a noswitch_section alternative.
617 (SECTION_STYLE): New macro.
618 (tls_comm_section, comm_section, lcomm_section): Declare.
619 (bss_noswitch_section, have_global_bss_p): Declare.
620 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
621 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
622 Override.
623 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
624 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
625 Override.
627 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
629 * gcc/tree-vrp.c (execute_vrp): Return value.
630 * gcc/regrename.c (rest_of_handle_regrename): Ditto.
631 * gcc/tree-into-ssa.c (rewrite_into_ssa): Ditto.
632 * gcc/tree-complex.c (tree_lower_complex): Ditto.
633 (tree_lower_complex_O0): Ditto.
634 * gcc/tracer.c (rest_of_handle_tracer): Ditto.
635 * gcc/postreload-gcse.c (rest_of_handle_gcse2): Ditto.
636 * gcc/postreload.c (rest_of_handle_postreload): Ditto.
637 * gcc/tree-tailcall.c (execute_tail_recursion): Ditto.
638 (execute_tail_calls): Ditto.
639 * gcc/tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
640 * gcc/tree.h (init_function_for_compilation): Ditto.
641 * gcc/ipa-cp.c (ipcp_driver): Ditto.
642 * gcc/tree-scalar-evolution.c (scev_const_prop): Ditto.
643 * gcc/tree-scalar-evolution.h (scev_const_prop): Ditto.
644 * gcc/final.c (compute_alignments): Ditto.
645 (rest_of_handle_final): Ditto.
646 (rest_of_handle_shorten_branches): Ditto.
647 (rest_of_clean_state): Ditto.
648 * gcc/omp-low.c (execute_expand_omp): Ditto.
649 (execute_lower_omp): Ditto.
650 * gcc/tree-ssa-dse.c (tree_ssa_dse): Ditto.
651 * gcc/ipa-reference.c (static_execute): Ditto.
652 * gcc/tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
653 * gcc/reorg.c (rest_of_handle_delay_slots): Ditto.
654 (rest_of_handle_machine_reorg): Ditto.
655 * gcc/cgraphunit.c (rebuild_cgraph_edges): Ditto.
656 * gcc/flow.c (recompute_reg_usage): Ditto.
657 (rest_of_handle_remove_death_notes): Ditto.
658 (rest_of_handle_life): Ditto.
659 (rest_of_handle_flow2): Ditto.
660 * gcc/tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
661 * gcc/tree-ssa-ccp.c (do_ssa_ccp): Ditto.
662 (do_ssa_store_ccp): Ditto.
663 (execute_fold_all_builtins): Ditto.
664 * gcc/mode-switching.c (rest_of_handle_mode_switching): Ditto.
665 * gcc/modulo-sched.c (rest_of_handle_sms): Ditto.
666 * gcc/ipa-pure-const.c (static_execute): Ditto.
667 * gcc/cse.c (rest_of_handle_cse): Ditto.
668 (rest_of_handle_cse2): Ditto.
669 * gcc/web.c (rest_of_handle_web): Ditto.
670 * gcc/tree-stdarg.c (execute_optimize_stdarg): Ditto.
671 * gcc/tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
672 * gcc/tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
673 * gcc/tree-nrv.c (tree_nrv): Ditto.
674 (execute_return_slot_opt): Ditto.
675 * gcc/tree-ssa-alias.c (compute_may_aliases): Ditto.
676 (create_structure_vars): Ditto.
677 * gcc/loop-init.c (rtl_loop_init): Ditto.
678 (rtl_loop_done): Ditto.
679 (rtl_move_loop_invariants): Ditto.
680 (rtl_unswitch): Ditto.
681 (rtl_unroll_and_peel_loops): Ditto.
682 (rtl_doloop): Ditto.
683 * gcc/gimple-low.c (lower_function_body): Ditto.
684 (mark_used_blocks): Ditto.
685 * gcc/tree-ssa-sink.c (execute_sink_code): Ditto.
686 * gcc/ipa-inline.c (cgraph_decide_inlining): Ditto.
687 (cgraph_early_inlining): Ditto.
688 * gcc/global.c (rest_of_handle_global_alloc): Ditto.
689 * gcc/jump.c (cleanup_barriers): Ditto.
690 (purge_line_number_notes): Ditto.
691 * gcc/ifcvt.c (rest_of_handle_if_conversion): Ditto.
692 (rest_of_handle_if_after_reload): Ditto.
693 * gcc/tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
694 (tree_ssa_loop_im): Ditto.
695 (tree_ssa_loop_unswitch): Ditto.
696 (tree_vectorize): Ditto.
697 (tree_linear_transform): Ditto.
698 (tree_ssa_loop_ivcanon): Ditto.
699 (tree_ssa_empty_loop): Ditto.
700 (tree_ssa_loop_bounds): Ditto.
701 (tree_complete_unroll): Ditto.
702 (tree_ssa_loop_prefetch): Ditto.
703 (tree_ssa_loop_ivopts): Ditto.
704 (tree_ssa_loop_done): Ditto.
705 * gcc/predict.c (tree_estimate_probability): Ditto.
706 * gcc/recog.c (split_all_insns_noflow): Ditto.
707 (rest_of_handle_peephole2): Ditto.
708 (rest_of_handle_split_all_insns): Ditto.
709 * gcc/tree-eh.c (lower_eh_constructs): Ditto.
710 * gcc/regmove.c (rest_of_handle_regmove): Ditto.
711 (rest_of_handle_stack_adjustments): Ditto.
712 * gcc/local-alloc.c (rest_of_handle_local_alloc): Ditto.
713 * gcc/function.c (instantiate_virtual_regs): Ditto.
714 (init_function_for_compilation): Ditto.
715 (rest_of_handle_check_leaf_regs): Ditto.
716 * gcc/gcse.c (rest_of_handle_jump_bypass): Ditto.
717 (rest_of_handle_gcse): Ditto.
718 * gcc/ipa-type-escape.c (type_escape_execute): Ditto.
719 * gcc/alias.c (rest_of_handle_cfg): Ditto.
720 * gcc/tree-if-conv.c (main_tree_if_conversion): Ditto.
721 * gcc/profile.c (rest_of_handle_branch_prob): Ditto.
722 * gcc/tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
723 * gcc/rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
724 * gcc/bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
725 * gcc/tree-dfa.c (find_referenced_vars): Ditto.
726 * gcc/except.c (set_nothrow_function_flags): Ditto.
727 (convert_to_eh_region_ranges): Ditto.
728 (rest_of_handle_eh): Ditto.
729 * gcc/emit-rtl.c (unshare_all_rtl): Ditto.
730 (remove_unnecessary_notes): Ditto.
731 * gcc/except.h (set_nothrow_function_flags): Ditto.
732 (convert_to_eh_region_ranges): Ditto.
733 * gcc/cfgexpand.c (tree_expand_cfg): Ditto.
734 * gcc/tree-cfgcleanup.c (merge_phi_nodes): Ditto.
735 * gcc/tree-ssa-pre.c (do_pre): Ditto.
736 (execute_fre): Ditto.
737 * gcc/cfgcleanup.c (rest_of_handle_jump): Ditto.
738 (rest_of_handle_jump2): Ditto.
739 * gcc/tree-sra.c (tree_sra): Ditto.
740 * gcc/tree-mudflap.c (execute_mudflap_function_ops): Ditto.
741 (execute_mudflap_function_decls): Ditto.
742 * gcc/tree-ssa-copy.c (do_copy_prop): Ditto.
743 (do_store_copy_prop): Ditto.
744 * gcc/ipa-prop.h (ipcp_driver): Ditto.
745 * gcc/cfglayout.c (insn_locators_initialize): Ditto.
746 * gcc/tree-ssa-forwprop.c
747 (tree_ssa_forward_propagate_single_use_vars): Ditto.
748 * gcc/cfglayout.h (insn_locators_initialize): Ditto.
749 * gcc/tree-ssa-dce.c (tree_ssa_dce): Ditto.
750 * gcc/tree-ssa.c (execute_early_warn_uninitialized): Ditto.
751 (execute_late_warn_uninitialized): Ditto.
752 * gcc/rtl.h (cleanup_barriers): Ditto.
753 (split_all_insns_noflow): Ditto.
754 (purge_line_number_notes): Ditto.
755 (unshare_all_rtl): Ditto.
756 (remove_unnecessary_notes): Ditto.
757 (recompute_reg_usage): Ditto.
758 (variable_tracking_main): Ditto.
759 * gcc/integrate.c (emit_initial_value_sets): Ditto.
760 * gcc/integrate.h (emit_initial_value_sets): Ditto.
761 * gcc/tree-optimize.c (execute_free_datastructures): Ditto
762 (execute_free_cfg_annotations): Ditto.
763 (execute_fixup_cfg): Ditto.
764 (execute_cleanup_cfg_pre_ipa): Ditto.
765 (execute_cleanup_cfg_post_optimizing): Ditto.
766 (execute_init_datastructures): Ditto.
767 * gcc/tree-object-size.c (compute_object_sizes): Ditto.
768 * gcc/combine.c (rest_of_handle_combine): Ditto.
769 * gcc/tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
770 * gcc/bb-reorder.c (duplicate_computed_gotos): Ditto.
771 (rest_of_handle_reorder_blocks): Ditto.
772 (rest_of_handle_partition_blocks): Ditto.
773 * gcc/var-tracking.c (variable_tracking_main): Ditto.
774 * gcc/tree-profile.c (tree_profiling): Ditto.
775 * gcc/tree-vect-generic.c (expand_vector_operations): Ditto.
776 * gcc/reg-stack.c (rest_of_handle_stack_regs): Ditto.
777 * gcc/sched-rgn.c (rest_of_handle_sched): Ditto.
778 (rest_of_handle_sched2): Ditto.
779 * gcc/basic-block.h (free_bb_insn): Ditto.
780 * gcc/tree-ssa-structalias.c (ipa_pta_execute): Ditto.
781 * gcc/tree-cfg.c (execute_build_cfg): Ditto.
782 (remove_useless_stmts): Ditto.
783 (split_critical_edges): Ditto.
784 (execute_warn_function_return): Ditto.
785 (execute_warn_function_noreturn): Ditto.
786 * gcc/tree-ssa-reassoc.c (execute_reassoc): Ditto.
787 * gcc/cfgrtl.c (free_bb_for_insn): Ditto.
788 * gcc/passes.c (execute_one_pass): Run additional
789 todos returned by execute function.
790 * gcc/tree-pass.h (struct tree_opt_pass): Make execute
791 return a value.
793 2006-03-02 Richard Guenther <rguenther@suse.de>
795 * tree-ssa-alias.c (find_used_portions): Consider taking
796 the address as making the variable not write-only.
798 2006-03-02 Nick Clifton <nickc@redhat.com>
800 * config.gcc (default_use_cxa_atexit): Extend the description of
801 this configure variable. Set its default value to "yes" for
802 Linux, NetBSD and ELF targets on the assumption that they will
803 use C libraries with the __cxa_atexit function.
805 2006-03-02 Ben Elliston <bje@au.ibm.com>
807 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
808 parameter as unused to suppress a build warning.
810 2006-03-02 Ben Elliston <bje@au.ibm.com>
812 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
813 config/dfp-bit.c.
815 2006-03-01 Roger Sayle <roger@eyesopen.com>
817 PR other/26489
818 * gthr-posix.h (__gthrw2): Define to take three parameters, the
819 declared name, the weak reference name, and the typeof name.
820 (__gthrw): Avoid expanding the declared name suffix.
821 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
823 2006-03-01 Jakub Jelinek <jakub@redhat.com>
825 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
826 from DWARF 3.
827 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
828 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
829 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
830 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
831 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
832 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
833 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
834 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
835 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
836 DW_DS_leading_separate, DW_DS_trailing_separate): New.
837 (DW_END_default, DW_END_big, DW_END_little): New.
838 (DW_END_lo_user, DW_END_hi_user): Define.
839 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
840 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
841 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
842 DW_LANG_D): New.
844 2006-03-01 Diego Novillo <dnovillo@redhat.com>
846 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
847 Update all users.
848 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
849 Update all users.
850 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
851 Update all users.
852 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
853 Update all users.
854 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
855 to 'symbol_mem_tag'.
856 Update all users.
857 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
858 rename.
860 2006-03-01 Roger Sayle <roger@eyesopen.com>
862 * builtins.c (fold_builtin_copysign): Delete unreachable code.
864 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
866 PR target/25761
867 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
868 MACHO_DYNAMIC_NO_PIC_P.
869 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
871 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
873 PR target/26389
874 * config/darwin-protos.h (darwin_asm_output_anchor):
875 Declare.
876 * config/darwin-sections.def (cstring_section):
877 Add SECTION_MERGE to the flags.
878 (literal4_section): Likewise.
879 (literal8_section): Likewise.
880 (objc_selector_refs_section): Likewise.
881 (objc_cls_refs_section): Likewise.
882 * config/darwin.c (darwin_asm_output_anchor): New
883 function.
884 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
886 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
888 Fix PR tree-optimization/26443
889 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
890 to todo and PROP_tmt_usage to properties_destroyed.
891 * tree-ssa-ccp.c (pass_ccp): Ditto.
892 (pass_store_ccp): Ditto.
893 * tree-ssa-dom.c (pass_dominator): Ditto.
895 2006-03-01 Diego Novillo <dnovillo@redhat.com>
897 * tree-ssa-operands.c: Cleanup whitespace.
898 (get_asm_expr_operands): Move before first invocation.
899 (get_indirect_ref_operands): Likewise.
900 (get_tmr_operands): Likewise.
901 (get_call_expr_operands): Likewise.
902 (append_def): Likewise.
903 (append_use): Likewise.
904 (append_v_may_def): Likewise.
905 (append_v_must_def): Likewise.
906 (add_call_clobber_ops): Likewise.
907 (add_call_read_ops): Likewise.
908 (add_stmt_operand): Likewise.
909 (add_virtual_operand): Likewise.
910 (build_ssa_operands): Likewise.
912 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
914 PR middle-end/26022
915 Revert:
916 PR middle-end/24437
917 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
918 with a call expr to ...
919 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
921 2006-03-01 Diego Novillo <dnovillo@redhat.com>
923 * tree-vrp.c (extract_range_from_assert): Remove special
924 handling for types with super-types.
926 2006-03-01 Ben Elliston <bje@au.ibm.com>
928 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
929 and powerpc64-*-linux* configurations.
930 * config/t-dfprules: New file.
932 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
933 Compile dfp-bit.c from the source directory using -DWIDTH and
934 $DFP_CFLAGS to control the compilation of that file, rather than
935 generating width-specific versions in the build directory.
936 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
937 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
939 2006-02-28 Zack Weinberg <zackw@panix.com>
941 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
942 continues to work.
944 2006-02-28 Eric Christopher <echristo@apple.com>
946 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
947 Set up IN_LIBGCC definition of TARGET_64BIT.
948 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
950 2006-02-28 Roger Sayle <roger@eyesopen.com>
952 PR middle-end/14752
953 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
954 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
955 cases via the construction of "expr != 0".
957 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
959 * alias.c (alias_invariant, alias_invariant_size): Remove.
960 (record_base_value): Remove.
961 (memrefs_conflict_p): Don't look at alias_invariant.
962 (end_alias_analysis): Don't free it.
963 * alias.h (record_base_value): Remove prototype.
965 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
966 Adam Nemet <anemet@caviumnetworks.com>
968 * rtl.h (truncated_to_mode): Declare it.
969 (struct rtl_hooks): Add reg_truncated_to_mode hook.
970 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
971 (RTL_HOOKS_INITIALIZER): Include it.
972 * rtlhooks.c (reg_truncated_to_mode_general): New function.
973 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
974 reg_truncated_to_mode.
975 * rtlanal.c (truncated_to_mode): Define it.
976 * simplify-rtx.c (simplify_unary_operation_1): Use it.
978 2006-02-28 Jeff Law <law@redhat.com>
980 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
981 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
982 the range allowed by TYPE_PRECISION.
984 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
986 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
988 PR tree-optimization/26419
989 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
990 values of n.
992 2006-02-27 Zack Weinberg <zackw@panix.com>
994 * doc/md.texi: Fix typo in previous change.
996 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
998 * df.c: Remove.
1000 2006-02-27 Zack Weinberg <zackw@panix.com>
1002 * rtl.def (define_constraint, define_register_constraint)
1003 (define_memory_constraint, define_address_constraint): New MD forms.
1004 * gensupport.c (process_rtx): Put define_constraint etc on the
1005 predicate queue.
1006 * genpreds.c (process_define_predicate): Adjust comment. Validate
1007 the name, and call validate_exp to validate the expression.
1008 (mark_mode_tests, write_extract_subexp): Can assume correct input.
1009 (write_predicate_expr): Likewise. NAME argument no longer necessary;
1010 all callers changed.
1011 (validate_exp, needs_variable, struct constraint_data)
1012 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
1013 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
1014 (const_dbl_constraints, constraint_max_namelen)
1015 (have_register_constraints, have_memory_constraints)
1016 (have_address_constraints, have_address_constraints)
1017 (have_extra_constraints, have_const_int_constraints)
1018 (have_const_dbl_constraints, mangle, add_constraint)
1019 (process_define_constraint, process_define_register_constraint)
1020 (write_enum_constraint_num, write_lookup_constraint)
1021 (write_insn_constraint_len, write_regclass_for_constraint)
1022 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
1023 (write_insn_extra_memory_constraint)
1024 (write_insn_extra_address_constraint)
1025 (write_satisfies_constraint_fns): New.
1026 (write_tm_preds_h): If we have new-style constraint definitions,
1027 prototype the functions generated from them, and define the
1028 old constraint interface (still used by generic code) in terms of
1029 those functions.
1030 (write_insn_preds_c): If we have new-style constraint definitions,
1031 generate all relevant functions from those definitions.
1032 (main): Handle define_constraint etc.
1033 * genoutput.c (struct constraint_data, indep_constraints)
1034 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
1035 (mdep_constraint_len): New data structures and functions, defined
1036 #ifdef USE_MD_CONSTRAINTS.
1037 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
1038 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
1039 use new logic to validate operand constraints against constraint
1040 definitions.
1041 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
1042 defined.
1043 * defaults.h: If none of the old-style constraint macros are
1044 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
1045 old-style macros; and poison REG_CLASS_FROM_LETTER,
1046 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
1047 EXTRA_CONSTRAINT.
1048 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
1049 * doc/md.texi: Document new constraint-definition mechanism and the
1050 C interface it provides. Remove references to old mechanism
1051 elsewhere in the document.
1052 (Machine Constraints): Use pathnames relative to gcc directory,
1053 i.e. config/ARCH/FILE. Change i386 section to refer to
1054 config/i386/predicates.md; update that section to match docstrings.
1055 * doc/tm.texi: Move all documentation of the old constraint-
1056 definition macros to their own section, clearly mark as obsolete.
1058 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
1059 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
1060 definitions.
1061 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
1062 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
1063 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
1064 constraint strings.
1065 (splits and peepholes): Use satisfies_constraint_*.
1066 * config/i386/i386.c (memory_address_length)
1067 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
1069 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
1071 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
1072 scalar operation to be put back into the loop.
1074 2006-02-27 Jakub Jelinek <jakub@redhat.com>
1076 PR other/26208
1077 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
1078 (extract_cie_info): Handle S flag in augmentation string.
1079 (execute_cfa_program): If context->signal_frame, execute also
1080 fs->pc == context->ra instructions.
1081 (uw_frame_state_for): If context->signal_frame, don't subtract one
1082 from context->ra to find FDE.
1083 (uw_update_context_1): Set context->signal_frame to
1084 fs->signal_frame.
1085 (_Unwind_GetIPInfo): New function.
1086 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
1087 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
1088 of _Unwind_GetIP.
1089 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
1090 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
1091 * unwind-compat.c (_Unwind_GetIPInfo): New function.
1092 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
1093 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
1094 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
1095 * config/i386/linux-unwind.h (x86_fallback_frame_state,
1096 x86_64_fallback_frame_state): Set fs->signal_frame.
1097 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
1098 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
1099 (frob_update_context): Likewise. Workaround missing S flag in
1100 Linux 2.6.12 - 2.6.16 kernel vDSOs.
1101 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
1102 Remove the psw_addr + 1 hack.
1104 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
1106 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
1107 with aggregates here.
1108 (find_func_aliases): Remove code for &<aggregate> from here.
1110 2006-02-26 Roger Sayle <roger@eyesopen.com>
1112 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
1113 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
1114 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
1115 as (X & C) ne/eq 0.
1117 2006-02-26 Roger Sayle <roger@eyesopen.com>
1119 PR middle-end/19983
1120 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
1122 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
1124 * opts.c (decode_options): Do not handle flag_strength_reduce.
1125 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
1126 and OPT_fstrength_reduce.
1127 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
1128 flag_prefetch_loop_arrays for being nonzero.
1129 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
1130 no-ops.
1131 (fprefetch-loop-arrays-rtl): Removed.
1132 (flag_prefetch_loop_arrays): Do not specify the value.
1134 * doc/passes.texi: Update documentation of loop optimizer
1135 passes.
1136 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
1137 -frerun-loop-opt): Remove.
1139 2006-02-26 Richard Guenther <rguenther@suse.de>
1141 PR tree-optimization/26421
1142 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
1143 in function calls that are ADDR_EXPRs as using the whole structure.
1145 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
1147 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
1148 * tree-pass.h (pass_loop_optimize): Remove.
1149 * passes.c (pass_loop_optimize): Never run it.
1150 * toplev.c (backend_init): Don't call init_loop.
1151 * opts.c (flag_loop_optimize_set): Remove.
1152 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
1153 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
1154 the old RTL loop optimizer when profiling enabled.
1155 * predict.c (tree_estimate_probability): Always strip builtin_expect.
1156 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
1157 pre-headers for the sake of the old RTL loop optimizer.
1158 * Makefile.in: Remove all references to loop.o.
1160 * doc/invoke.texi: Remove all references to -floop-optimize
1161 and -frerun-loop-opt.
1163 2006-02-26 Zack Weinberg <zackw@panix.com>
1165 * doc/md.texi (Machine Constraints): Refer to all files with paths
1166 relative to gcc directory (i.e. config/CPU/file). Add missing
1167 @table @code ... @end table to M32C subsection.
1169 2006-02-26 Roger Sayle <roger@eyesopen.com>
1171 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
1172 (X & 1) == 0.
1173 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
1175 2006-02-26 Roger Sayle <roger@eyesopen.com>
1176 James A. Morrison <phython@gcc.gnu.org>
1178 PR middle-end/21137
1179 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
1180 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
1181 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
1182 signedness of the shift operation.
1184 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
1186 PR tree-optimization/26359
1187 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
1189 2006-02-25 Roger Sayle <roger@eyesopen.com>
1191 * simplify-rtx.c (simplify_relational_operation_1): Simplify
1192 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
1193 as X == 0, and some symmetry related transformations.
1194 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
1196 2006-02-25 Roger Sayle <roger@eyesopen.com>
1198 PR middle-end/23673
1199 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
1200 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
1201 symmetry related transformations. Fold (X^C1) == C2 as
1202 X == (C1^C2).
1204 2006-02-25 Juergen Weigert <jw@suse.de>
1205 Richard Guenther <rguenther@suse.de>
1207 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
1209 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
1211 * combine.c (gen_lowpart_or_truncate): Call
1212 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
1214 2006-02-24 Diego Novillo <dnovillo@redhat.com>
1216 * doc/invoke.texi: Move -fopenmp description to "Options for
1217 Code Generation".
1218 Remove reference to -lgomp.
1220 2006-02-24 David Edelsohn <edelsohn@gnu.org>
1222 * doc/install.texi: Require GNU tar version 1.14.
1224 2006-02-24 Geoffrey Keating <geoffk@apple.com>
1226 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
1227 * doc/invoke.texi (C++ Dialect Options): Document
1228 -fno-use-cxa-get-exception-ptr.
1229 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
1230 * configure: Regenerate.
1231 * c.opt (fuse-cxa-get-exception-ptr): New.
1232 * c-opts.c (c_common_handle_option): Handle
1233 OPT_fuse_cxa_get_exception_ptr.
1234 * c-common.c (flag_use_cxa_atexit): Update documentation.
1235 (flag_use_cxa_get_exception_ptr): New.
1236 * c-common.h (flag_use_cxa_get_exception_ptr): New.
1237 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
1238 documentation.
1239 (C_COMMON_OVERRIDE_OPTIONS): New.
1241 2006-02-24 Roger Sayle <roger@eyesopen.com>
1243 PR middle-end/24952
1244 * combine.c (try_combine): Explicitly check whether GET_CODE is
1245 a SET or a CLOBBER, instead on checking that it isn't a USE.
1247 2006-02-24 Roger Sayle <roger@eyesopen.com>
1249 * fold-const.c (fold_comparison): New subroutine of fold_binary
1250 containing transformations common to both the equality and
1251 ordering relational operators, factored out of fold_binary.
1252 (fold_binary): Separate out the equality operators (EQ_EXPR
1253 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
1254 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
1255 transformations common to both.
1256 (fold_div_compare): Fix latent bugs in the previously unreachable
1257 LT_EXPR and GE_EXPR cases.
1259 2006-02-24 David Edelsohn <edelsohn@gnu.org>
1261 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
1262 decl libname for clog to __clog on AIX.
1264 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
1266 2006-02-24 Alan Modra <amodra@bigpond.net.au>
1268 PR target/26453
1269 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
1270 output traceback table for thunks. Localise rs6000_stack_info call.
1272 2006-02-23 Roger Sayle <roger@eyesopen.com>
1273 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1275 * gthr-posix.h (__gthrw): Fix typo in comment.
1277 2006-02-23 Geoffrey Keating <geoffk@apple.com>
1279 * doc/cpp.texi (Character sets): Document that we do support
1280 input files to be in any character set.
1282 2006-02-23 Jeff Law <law@redhat.com>
1284 * tree.h (PHI_ARG_NONZERO): Remove.
1285 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
1286 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
1287 node to the new node.
1289 PR tree-optimization/26425
1290 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
1291 min/max, then assume its varying.
1293 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
1295 PR rtl-optimization/26316
1296 * rtlanal.c (enum may_trap_p_flags): New.
1297 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
1298 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
1299 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
1300 (may_trap_after_code_motion_p): New function.
1301 * loop-invariant.c (find_identical_invariants): Fix dump formating.
1302 (find_invariant_insn): Use may_trap_after_code_motion_p.
1303 * rtl.h (may_trap_after_code_motion_p): Declare.
1305 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
1307 * emit-rtl.c (immed_double_const): Cleanup.
1309 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
1311 Fix PR tree-optimization/26376
1312 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
1313 remove assert.
1315 2006-02-23 Jakub Jelinek <jakub@redhat.com>
1317 PR middle-end/26412
1318 * gimplify.c (omp_add_variable): Guard variable size decl test with
1319 DECL_SIZE (decl) check.
1321 2006-02-23 Richard Guenther <rguenther@suse.de>
1323 PR middle-end/26439
1324 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
1325 like aggregate types.
1327 2006-02-23 Jakub Jelinek <jakub@redhat.com>
1329 * configure.ac: Add --with{,out}-long-double-128 configure option.
1330 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
1331 * configure: Rebuilt.
1332 * config.in: Rebuilt.
1333 * doc/install.texi (Options specification): Document
1334 --with-long-double-128.
1336 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
1337 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
1338 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
1339 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
1341 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
1343 * config/s390/s390.c (override_options): Handle
1344 TARGET_DEFAULT_LONG_DOUBLE_128.
1346 * config/alpha/alpha.c (override_options): Handle
1347 TARGET_DEFAULT_LONG_DOUBLE_128.
1349 * config/sparc/sparc.c (sparc_override_options): Handle
1350 TARGET_DEFAULT_LONG_DOUBLE_128.
1352 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
1354 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
1355 (real-install-headers-tar, real-install-headers-cpio)
1356 (real-install-headers-cp): New targets.
1358 2006-02-22 Richard Sandiford <richard@codesourcery.com>
1360 * tree.h (variable_section): Delete.
1361 * varasm.c (variable_section): Delete.
1363 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
1365 * install.texi: Add notes on install.texi2html.
1366 (Building in parallel): Do not use footnotes.
1368 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
1370 PR libgomp/26234
1371 * doc/install.texi (Configuration): Document --disable-libgomp.
1373 2006-02-21 Geoffrey Keating <geoffk@apple.com>
1375 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
1377 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
1379 * config/i386/sse.md (vec_extractv2df_1_sse): New.
1380 (vec_extractv2df_0_sse): New.
1382 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
1384 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
1385 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
1386 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
1387 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
1388 to the result of the expression.
1389 (def_cfa_1): Adjust.
1390 (frame_pointer_cfa_offset): Rename to...
1391 (frame_pointer_fb_offset): ... this. Adjust all uses.
1392 (convert_cfa_to_loc_list): Rename to...
1393 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
1394 Pass it on to build_cfa_loc.
1395 (compute_frame_pointer_to_cfa_displacement): Rename to...
1396 (compute_frame_pointer_to_fb_displacement): ... this. New
1397 offset parameter. Use it in computation.
1398 (gen_subprogram_die): Compute cfa_fb_offset with the new
1399 macro, and use it to compute the fb loc list and the
1400 displacement.
1402 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
1404 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
1405 replaced with register_operand.
1406 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
1407 non-DREG is expensive.
1408 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
1409 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
1410 involving memory.
1412 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
1414 * doc/install.texi2html: Use set -e.
1416 2006-02-21 Richard Sandiford <richard@codesourcery.com>
1418 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
1419 (ASM_OUTPUT_SHARED_LOCAL): Delete.
1420 * doc/invoke.texi (-fshared-data): Delete.
1421 * common.opt (fshared-data): Delete.
1422 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
1423 (assemble_static_space): Remove #if 0 code.
1424 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
1425 (ASM_OUTPUT_SHARED_LOCAL): Poison.
1426 * config/cris/cris.h: Remove FIXME.
1428 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
1430 * doc/sourcebuild.texi (Front End Directory): No more double-colon
1431 hooks.
1433 2006-02-21 Jakub Jelinek <jakub@redhat.com>
1435 PR middle-end/26379
1436 * combine.c (simplify_shift_const_1): Disable nested shifts
1437 optimization for vector shifts.
1439 2006-02-20 Roger Sayle <roger@eyesopen.com>
1441 PR tree-optimization/26361
1442 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
1443 of unsigned integer types.
1445 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
1447 * tree-chrec.c (eq_evolutions_p): New.
1448 * tree-chrec.h (eq_evolutions_p): Declared.
1449 * tree-data-ref.c: Fix formatting.
1450 (datadep_stats, dependence_stats): New.
1451 (gcd): Moved...
1452 (print_direction_vector): New.
1453 (dump_data_dependence_relation): Use print_direction_vector.
1454 (object_analysis, create_data_ref): Handle COMPONENT_REF.
1455 (compute_subscript_distance): Static.
1456 (initialize_data_dependence_relation): Static. Get the number
1457 of loops surrounding the references from the callers, and initialize
1458 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
1459 base_object_differ_p analyzers.
1460 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
1461 compute_overlap_steps_for_affine_1_2,
1462 analyze_subscript_affine_affine): Count the classified dependences.
1463 Print a message when a test failed.
1464 (can_use_analyze_subscript_affine_affine): New.
1465 (analyze_siv_subscript): Compute the data dependences on symbolic
1466 scevs that verify can_use_analyze_subscript_affine_affine.
1467 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
1468 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
1469 Handle symbolic scevs.
1470 (analyze_overlapping_iterations): Let symbolic affine scevs to be
1471 analyzed.
1472 (subscript_dependence_tester): Moved...
1473 (build_classic_dist_vector, build_classic_dir_vector): Don't use
1474 lambda_vector_clear on newly allocated vectors. Get nb_loops from
1475 DDR_SIZE_VECT instead of getting it in parameter.
1476 (subscript_dependence_tester): ... here. Take as a parameter
1477 loop_nest_depth. Call build_classic_dist_vector and
1478 build_classic_dir_vector.
1479 (compute_affine_dependence): Update subscript_dependence_tester
1480 parameters. Update datadep_stats counters. Call
1481 compute_subscript_distance.
1482 (compute_self_dependence): Save the dist and dir vectors. Call
1483 compute_subscript_distance.
1484 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
1485 (compute_all_dependences): Reorder parameters as they were before
1486 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
1487 compute_subscript_distance. Update the use of
1488 compute_affine_dependence and initialize_data_dependence_relation.
1489 (find_data_references_in_loop): Handle COMPONENT_REF.
1490 (compute_data_dependences_for_loop): Initialize dependence_stats.
1491 Don't call build_classic_dist_vector and build_classic_dir_vector.
1492 Update the parameters of initialize_data_dependence_relation and
1493 compute_all_dependences. Print the statistics from datadep_stats.
1494 (analyze_all_data_dependences): Static. Not used until the pass for
1495 checking the data dependences is contributed.
1496 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
1497 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
1498 (initialize_data_dependence_relation, compute_affine_dependence,
1499 analyze_all_data_dependences, compute_subscript_distance): Removed.
1500 (print_direction_vector): New.
1501 * lambda.h (gcd): ... here.
1502 (lambda_vector_gcd): Moved here from gcd_vector.
1503 * lambda-code.c (gcd, gcd_vector): Removed.
1504 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
1505 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
1507 2006-02-20 Diego Novillo <dnovillo@redhat.com>
1509 * ipa-type-escape.c: Tidy some comments and white space.
1510 * tree-ssa-operands.c: Likewise.
1512 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
1514 PR tree-opt/25879
1515 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
1516 (dump_decl_name): Do not walk the decl tree chains.
1517 * tree-pass.h (TDF_CHAIN): Remove.
1519 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
1521 * Makefile.in (C): Remove
1522 (PROTO): Remove
1523 (.PHONY): Remove C and PROTO
1525 2006-02-20 Roger Sayle <roger@eyesopen.com>
1527 PR middle-end/26236
1528 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
1529 deprecated CHAR_TYPE tree code.
1531 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
1533 * configure.ac (target_list): Add install-info, dvi, html.
1534 * configure: Regenerate.
1536 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
1537 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
1538 treelang/Make-lang.in: Do not use double-colon rules.
1540 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
1542 * tree.h (struct tree_memory_tag): Add is_used_alone member.
1543 (TMT_USED_ALONE): New macro.
1544 * tree-pass.h (PROP_tmt_usage): New property.
1545 (TODO_update_tmt_usage): New todo.
1546 * tree-ssa-alias.c (updating_used_alone): New variable.
1547 (recalculate_used_alone): New function.
1548 (compute_may_aliases): Set updating_used_alone, call
1549 recalculate_used_alone.
1550 * tree-sra.c (pass_sra): Note that this pass destroys
1551 PROP_tmt_usage, and add TODO_update_tmt_usage.
1552 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
1553 * tree-flow.h (updating_used_alone): Prototype.
1554 (recalculate_used_alone): Ditto.
1555 * passes.c (execute_todo): Add code to set updating_used_alone,
1556 and call recalculate.
1557 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
1558 for clobber if used alone, and add assert to verify used_alone
1559 status.
1561 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
1563 * config/s390/s390.c (legitimize_pic_address): Assertions checking
1564 for non tls symbols added.
1565 (legitimize_address): Do nothing for PLUS expressions if one of the
1566 addends is a tls symbol reference.
1568 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
1570 PR bootstrap/25476
1572 * Makefile.in (LDFLAGS): Define from autoconf substitution.
1574 * Makefile.in (BOOTSTRAPPING): New.
1575 (quickstrap): New definition if BOOTSTRAPPING=yes.
1577 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
1578 * configure.ac: Substitute all_selected_languages with the languages
1579 that were configured. For all the other variables except
1580 lang_specs_files, include all the languages in the tree.
1581 * configure: Regenerate.
1583 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
1584 if there is one. Run the commands to run fixincludes in the same
1585 subshell.
1587 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
1588 * doc/install.texi: Document exact conventions for searching target tools.
1589 Document --with-build-time-tools. Document toplevel bootstrap. Document
1590 something more about building an Ada cross-compiler. Don't list GNU Make
1591 requirements which affect all platforms.
1593 2006-02-19 Roger Sayle <roger@eyesopen.com>
1595 PR middle-end/19543
1596 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
1597 only equivalent if the have both the same mode and precision.
1599 2006-02-20 Ben Elliston <bje@au.ibm.com>
1601 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
1603 2006-02-19 Roger Sayle <roger@eyesopen.com>
1604 Steven Bosscher <stevenb.gcc@gmail.com>
1606 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
1607 constant pool references to identify stack mode constants.
1608 * rtlanal.c (constant_pool_constant_p): New predicate to check
1609 whether operand is a floating point constant in the pool.
1610 * rtl.h (constant_pool_constant_p): Prototype here.
1611 * loop.c (scan_loop): Avoid hoisting constants from the constant
1612 pool on STACK_REGS targets.
1613 (load_mems): Likewise.
1614 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
1615 loads into x87 registers expensive in terms of register pressure.
1617 2006-02-19 Roger Sayle <roger@eyesopen.com>
1619 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
1620 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
1622 2006-02-19 David Edelsohn <edelsohn@gnu.org>
1624 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
1625 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
1627 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
1629 * doc/invoke.texi: Document -fipa-pta.
1630 * common.opt: Add ipa-pta option.
1631 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
1632 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
1633 (do_ds_constraint): Ditto.
1634 (get_constraint_for): Only add to referenced_vars if
1635 referenced_vars exists.
1636 (insert_into_field_list): Rewrite to do this unsorted.
1637 (insert_into_field_list_sorted): Rename old insert_into_field_list
1638 to this.
1639 (create_function_info_for): Use insert_into_field_list_sorted.
1640 (create_variable_info_for): Rewrite so it uses unsorted version,
1641 since the field list is sorted.
1642 (intra_create_variable_infos): Only add to referenced_vars if
1643 referenced_vars exists.
1644 (ipa_pta_execute): Init heapvars, and delete when done.
1645 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
1647 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1649 * doc/install.texi: Add missing `@samp'.
1651 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
1653 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
1654 Use the arguments.
1656 2006-02-18 Mark Wielaard <mark@klomp.org>
1658 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
1659 who added new 4.1 features, bug fixes and integration support.
1661 2006-02-18 David Edelsohn <edelsohn@gnu.org>
1663 PR target/26350
1664 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
1665 MEM for ABI_V4 pic.
1667 2006-02-18 Richard Sandiford <richard@codesourcery.com>
1669 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
1670 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
1671 (copy_insn_1): Likewise. Don't copy each field individually.
1672 Reindent.
1673 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
1674 of RTX_SIZE.
1675 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
1676 * rtl.c (rtx_size): Rename variable to...
1677 (rtx_code_size): ...this.
1678 (rtx_size): New function.
1679 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
1680 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
1681 Reindent.
1682 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
1683 * rtl.h (rtx_code_size): New variable.
1684 (rtx_size): Change from a variable to a function.
1685 (RTX_SIZE): Rename to...
1686 (RTX_CODE_SIZE): ...this.
1688 PR target/9703
1689 PR tree-optimization/17106
1690 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
1691 (Anchored Addresses): New section.
1692 * doc/invoke.texi (-fsection-anchors): Document.
1693 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
1694 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
1695 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
1696 * hooks.c (hook_bool_mode_rtx_false): New function.
1697 * hooks.h (hook_bool_mode_rtx_false): Declare.
1698 * gengtype.c (create_optional_field): New function.
1699 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
1700 SYMBOL_REF_IN_BLOCK_P is true.
1701 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
1702 (min_anchor_offset, max_anchor_offset): Likewise.
1703 (use_anchors_for_symbol_p): New hook.
1704 * toplev.c (compile_file): Call output_object_blocks.
1705 (target_supports_section_anchors_p): New function.
1706 (process_options): Check that -fsection-anchors is only used on
1707 targets that support it and when -funit-at-a-time is in effect.
1708 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
1709 if the decl doesn't have one.
1710 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
1711 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
1712 of force_const_mem through use_anchored_address.
1713 (expand_expr_constant): New function.
1714 (expand_expr_addr_expr_1): Call it. Use the same modifier when
1715 calling expand_expr for INDIRECT_REF.
1716 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
1717 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
1718 * expr.h (use_anchored_address): Declare.
1719 * loop-unroll.c: Don't declare rtx vectors here.
1720 * explow.c: Include output.h.
1721 (validize_mem): Call use_anchored_address.
1722 (use_anchored_address): New function.
1723 * common.opt (-fsection-anchors): New switch.
1724 * varasm.c (object_block_htab, anchor_labelno): New variables.
1725 (hash_section, object_block_entry_eq, object_block_entry_hash)
1726 (use_object_blocks_p, get_block_for_section, create_block_symbol)
1727 (use_blocks_for_decl_p, change_symbol_section): New functions.
1728 (get_variable_section): New function, split out from assemble_variable.
1729 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
1730 use_blocks_for_decl_p say so. Use change_symbol_section if the
1731 symbol has already been created.
1732 (assemble_variable_contents): New function, split out from...
1733 (assemble_variable): ...here. Don't output any code for
1734 block symbols; just pass them to place_block_symbol.
1735 Use get_variable_section and assemble_variable_contents.
1736 (get_constant_alignment, get_constant_section, get_constant_size): New
1737 functions, split from output_constant_def_contents.
1738 (build_constant_desc): Create a block symbol if use_object_blocks_p
1739 says so. Or into SYMBOL_REF_FLAGS.
1740 (assemble_constant_contents): New function, split from...
1741 (output_constant_def_contents): ...here. Don't output any code
1742 for block symbols; just pass them to place_section_symbol.
1743 Use get_constant_section and get_constant_alignment.
1744 (force_const_mem): Create a block symbol if use_object_blocks_p and
1745 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
1746 (output_constant_pool_1): Add an explicit alignment argument.
1747 Don't switch sections here.
1748 (output_constant_pool): Adjust call to output_constant_pool_1.
1749 Switch sections here instead. Don't output anything for block symbols;
1750 just pass them to place_block_symbol.
1751 (init_varasm_once): Initialize object_block_htab.
1752 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
1753 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
1754 (place_block_symbol, get_section_anchor, output_object_block)
1755 (output_object_block_htab, output_object_blocks): New functions.
1756 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
1757 (TARGET_ASM_OUT): Include it.
1758 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
1759 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
1760 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
1761 (TARGET_INITIALIZER): Include them.
1762 * rtl.c (rtl_check_failed_block_symbol): New function.
1763 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
1764 (block_symbol, object_block): New structures.
1765 (rtx_def): Add a block_symbol field to the union.
1766 (BLOCK_SYMBOL_CHECK): New macro.
1767 (rtl_check_failed_block_symbol): Declare.
1768 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
1769 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
1770 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
1771 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
1772 * output.h (output_section_symbols): Declare.
1773 (object_block): Name structure.
1774 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
1775 (default_use_anchors_for_symbol_p): Declare.
1776 * Makefile.in (RTL_BASE_H): Add vec.h.
1777 (explow.o): Depend on output.h.
1778 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
1779 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
1780 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
1781 (rs6000_use_blocks_for_constant_p): New function.
1783 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1785 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
1787 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
1789 PR tree-opt/25680
1790 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
1791 IMAGPART_EXPR.
1793 2006-02-18 Diego Novillo <dnovillo@redhat.com>
1795 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
1796 is_aliased.
1797 Update all users.
1799 2006-02-18 Jakub Jelinek <jakub@redhat.com>
1801 PR middle-end/26334
1802 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
1803 instead of DECL_REGISTER.
1805 2006-02-18 Olivier Hainque <hainque@adacore.com>
1807 PR ada/13408
1808 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
1810 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
1812 PR target/24837
1813 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
1814 * opth-gen.awk: Handle Var and InverseMask together.
1815 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
1816 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
1817 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
1818 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
1819 used together.
1820 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
1821 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
1822 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
1823 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
1824 LINUX_DYNAMIC_LINKER): Define.
1825 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
1826 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
1827 TARGET_GLIBC.
1828 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1829 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
1830 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1831 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1832 (TARGET_C99_FUNCTIONS): Don't define.
1833 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
1834 GLIBC_DYNAMIC_LINKER.
1835 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
1836 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
1837 GLIBC_DYNAMIC_LINKER64): Define.
1838 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
1839 LINUX_DYNAMIC_LINKER64.
1840 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1841 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1842 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
1843 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1844 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1845 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1846 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
1847 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
1848 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
1849 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
1850 and LINUX_DYNAMIC_LINKER32.
1851 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1852 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1853 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
1854 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1855 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
1856 TARGET_GLIBC.
1857 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
1858 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
1859 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
1860 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
1861 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
1862 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
1863 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
1864 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
1865 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
1866 LINUX_DYNAMIC_LINKER): Define.
1867 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
1868 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
1869 GLIBC_DYNAMIC_LINKER64): Define.
1870 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
1871 LINUX_DYNAMIC_LINKER64.
1872 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1873 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1874 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
1875 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
1876 LINUX_DYNAMIC_LINKER): Define.
1877 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1878 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
1879 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
1880 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
1881 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
1882 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
1883 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
1884 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
1885 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
1886 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1887 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1888 * doc/invoke.texi (-muclibc): Remove caveat about supported
1889 targets.
1891 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
1893 * doc/cpp.texi (__TIMESTAMP__): Document.
1895 2006-02-17 Roger Sayle <roger@eyesopen.com>
1897 PR middle-end/25600
1898 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
1899 C is one less than the width of X (and related transformations).
1900 * simplify-rtx.c (simplify_unary_operation_1): Transform
1901 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
1902 depending on STORE_FLAG_VALUE, were C is one less then the
1903 width of X.
1905 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
1907 Fix PR tree-optimization/26341
1908 * tree-ssa-operands.c (add_virtual_operand): Remove assert
1909 about NAME_MEMORY_TAG's.
1911 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1913 PR target/26255
1914 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
1915 with hardware float support, and software float support. Add fcpy
1916 alternative to hardware patterns. Add alternatives to copy between
1917 general and floating-point registers to the 32-bit pattern.
1918 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
1919 secondary reload to load a QI or HI mode constant into a floating
1920 point register.
1921 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
1922 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
1924 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
1926 PR target/26272
1927 * config/rs6000/darwin.md (load_macho_picbase_si): Add
1928 pc to the pattern.
1929 (load_macho_picbase_di): Likewise.
1931 2006-02-16 Jeff Law <law@redhat.com>
1933 * tree-vrp.c (set_value_range_to_nonnegative): New function.
1934 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
1935 (ssa_name_nonzero_p): Likewise.
1936 (get_value_range): Return NULL if VRP is not running.
1937 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
1938 VRP routines do not discover a range.
1939 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
1940 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
1941 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
1942 (tree_expr_nonnegative_p): Similarly.
1943 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
1944 (restore_nonzero_vars_to_original_value): Remove.
1945 (unsafe_associative_fp_binop): Remove.
1946 (tree_ssa_dominator_optimize): Remove initialization and
1947 finalization of nonzero_vars and nonzero_vars_stack.
1948 (dom_opt_initialize_block): No longer push marker on
1949 nonzero_vars_stack.
1950 (dom_opt_finalize_block): No longer call
1951 restore_nonzero_vars_to_original_value.
1952 (record_equivalences_from_phis): No longer look for
1953 nonzero PHI arguments.
1954 (cprop_into_successor_phis): No longer propagate nonzero
1955 property into PHI arguments. Lose unused argument. Caller
1956 updated.
1957 (record_equivalences_from_stmt): No longer record nonzero
1958 values for SSA_NAMEs.
1959 (lookup_avail_expr): No longer use nonzero_vars.
1961 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
1962 for sizetype when sizetype is unsigned.
1964 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
1966 PR rtl-optimization/25603
1967 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
1968 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
1969 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
1970 with new meaning of SETS.
1972 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
1974 PR target/20353
1975 PR target/24578
1976 PR target/24837
1977 * config/linux.opt: New file.
1978 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
1979 LINUX_DYNAMIC_LINKER): Define.
1980 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
1981 * config.gcc (*-*-linux*): Define extra_options.
1982 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
1983 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
1984 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
1985 GLIBC_DYNAMIC_LINKER.
1986 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
1987 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1988 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1989 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1990 * doc/invoke.texi (GNU/Linux Options): New section.
1992 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
1994 * config/sparc/sparc.md (setjmp): Rewrite.
1995 (setjmp_32): Delete.
1996 (setjmp_64): Likewise.
1998 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
2000 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
2001 previous change.
2003 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
2005 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
2006 read-write uses.
2008 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
2010 PR rtl-optimization/26296
2011 * Makefile.in (loop-invariant.c): Add except.h dependency.
2012 * loop-invariant.c: Include except.h.
2013 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
2015 2005-02-16 Paul Brook <paul@codesourcery.com>
2017 * reload1.c (emit_reload_insns): Invalidate dead input registers used
2018 for reloads.
2020 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
2022 PR rtl-optimization/25636
2023 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
2024 when deciding whether an insn is an initializing insn.
2026 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
2028 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
2029 (tree_code_size): Ditto.
2030 * tree.h (struct tree_memory_tag): Remove parent_var.
2031 (struct tree_struct_field_tag): New.
2032 (SFT_OFFSET): New.
2033 (SFT_SIZE): New.
2034 (union tree_node): Add sft member.
2035 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
2036 specially here.
2037 (create_sft): Add size and offset argument, set SFT_OFFSET and
2038 SFT_SIZE.
2039 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
2040 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
2041 * tree-flow-inline.h (get_subvar_at): Update for
2042 SFT_OFFSET/SFT_SIZE.
2043 (var_can_have_subvars): Ditto.
2044 (overlap_subvar): Ditto.
2045 * print-tree.c (print_node): Print out interesting things for
2046 SFT's.
2047 * tree-flow.h (struct subvar): Remove offset and size members.
2048 * tree-ssa-operands.c (get_expr_operands): Update for
2049 get_indirect_ref_operands changes.
2050 (get_indirect_ref_operands): Call add_virtual_operand instead of
2051 add_stmt_operand. Only recurse on base var if requested.
2052 (access_can_touch_variable): New function.
2053 (add_stmt_operand): Split virtual operand handling into ...
2054 (add_virtual_operand): Here. Add offset, size, and for_clobber
2055 arguments. Prune alias sets.
2056 (add_call_clobber_ops): Call add_virtual_operand.
2058 2006-02-15 Jakub Jelinek <jakub@redhat.com>
2060 PR middle-end/26300
2061 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
2063 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
2064 than TREE_CODE as index into omp_clause_num_ops array.
2066 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
2068 PR rtl-optimization/26184
2069 * modulo-sched.c (generate_reg_moves): Free bitmap vector
2070 uses_of_defs.
2071 * modulo-sched.c (sms_schedule): Free g_arr pointer.
2072 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
2073 must_precede, must_follow and tobe_scheduled.
2075 PR other/26147
2076 * opts.c (common_handle_option): Free new_option pointer.
2077 * df-core.c (df_analyze): Free postorder pointer.
2079 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
2081 * Makefile.in: Fix the examples about the use of stamps
2083 2006-02-15 Michael Matz <matz@suse.de>
2085 PR middle-end/22275
2087 * stor-layout.c (layout_decl): Zero-width bitfields aren't
2088 influenced by maximum_field_alignment or DECL_PACKED.
2089 (update_alignment_for_field): Ditto.
2090 (place_field): Ditto.
2091 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
2092 this behaviour.
2094 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
2096 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
2097 (debug_flow_info): Pass it.
2098 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
2099 * bb-reorder.c (reorder_basic_blocks): Likewise.
2100 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
2101 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
2102 * flow.c (life_analysis, recompute_reg_usage): Likewise.
2103 * gcse.c (gcse_main, bypass_jumps): Likewise.
2104 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
2105 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
2106 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
2107 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
2108 * rtl.h (dump_flow_info): Adjust prototype.
2109 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
2110 * var-tracking.c (variable_tracking_main): Likewise.
2111 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
2112 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
2113 options.
2115 2006-02-15 Marcin Dalecki <martin@dalecki.de>
2117 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
2118 construction.
2120 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
2122 PR tree-optimization/26209
2123 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
2124 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
2125 eh edges.
2126 * tree-cfg.c (replace_uses_by): Do not alter cfg.
2128 2006-02-14 Roger Sayle <roger@eyesopen.com>
2130 PR middle-end/23670
2131 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
2132 (X,Y) and the corresponding symmetry related transformations.
2133 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
2134 (X,Y) and its symmetry related transformations.
2136 2006-02-14 Roger Sayle <roger@eyesopen.com>
2138 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
2139 and GEU.
2141 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
2143 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
2145 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2147 PR bootstrap/26053
2148 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
2149 support COMDAT group.
2150 * configure: Regenerate.
2152 2006-02-14 Roger Sayle <roger@eyesopen.com>
2154 PR middle-end/26279
2155 PR middle-end/26280
2156 PR middle-end/26283
2157 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
2159 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
2161 Fix PR tree-optimization/26260
2163 * doc/invoke.texi (max-fields-for-field-sensitive): Document
2164 param.
2165 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
2166 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
2167 * tree-ssa-structalias.c (create_variable_info_for): Use
2168 MAX_FIELDS_FOR_FIELD_SENSITIVE.
2170 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
2172 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
2173 Document.
2174 * tree-ssa-loop-niter.c (number_of_iterations_ne,
2175 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
2176 of the ending condition.
2177 * tree-ssa-loop-manip.c: Include params.h.
2178 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
2179 tree_unroll_loop): New functions.
2180 * tree-pass.h (pass_loop_prefetch): Declare.
2181 * loop.c (rest_of_handle_loop_optimize): Test for
2182 -fprefetch-loop-arrays-rtl.
2183 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
2184 * timevar.def (TV_TREE_PREFETCH): New timevar.
2185 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
2186 pass_loop_prefetch): New.
2187 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
2188 (cleanup_tree_cfg_loop): Call scev_reset.
2189 * common.opt (fprefetch-loop-arrays-rtl): Add.
2190 * tree-ssa-loop-prefetch.c: New file.
2191 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
2192 (new_temp_expr_table): Initialize expr_vars.
2193 (free_temp_expr_table): Cleanup expr_vars.
2194 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
2195 expressions from being merged into one.
2196 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
2197 (struct tree_niter_desc): Add control, bound and cmp fields.
2198 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
2199 Declare.
2200 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
2201 (tree-cfgcleanup.o): Add SCEV_H dependency.
2202 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
2203 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
2205 2006-02-14 Richard Guenther <rguenther@suse.de>
2207 PR tree-optimization/26258
2208 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
2209 in PHI argument processing.
2211 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
2213 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
2214 new expression in the requested machine mode.
2216 2006-02-13 Roger Sayle <roger@eyesopen.com>
2218 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
2219 directly, instead let do_compare_rtx_and_jump handle this for us.
2220 * expr.c (expand_expr_real_1): Likewise.
2221 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
2222 before do_jump_by_parts_greater.
2223 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
2224 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
2226 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2228 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
2230 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
2232 PR rtl-optimization/26235
2233 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
2234 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
2235 format.
2237 2006-02-13 Jeff Law <law@redhat.com>
2239 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
2240 TRUTH_XOR_EPR.
2242 2006-02-13 Jakub Jelinek <jakub@redhat.com>
2244 PR middle-end/26092
2245 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
2246 twice if decl is a builtin. When trying again, call get_callee_fndecl
2247 first to verify it is still a builtin.
2249 2006-02-13 Geoffrey Keating <geoffk@apple.com>
2251 * dwarf2out.c (base_type_die): Don't add AT_name here.
2252 (subrange_type_die): Don't add AT_name here.
2253 (modified_type_die): Rearrange code flow. Do add AT_name here.
2255 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
2257 PR rtl-optimization/26247
2258 PR rtl-optimization/26248
2259 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
2261 2006-02-13 Richard Sandiford <richard@codesourcery.com>
2263 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
2264 * config/fixtfdi.c: Likewise.
2265 * config/fixunstfdi.c: Likewise.
2266 * config/floatditf.c: Likewise.
2268 2006-02-13 Roger Sayle <roger@eyesopen.com>
2270 PR middle-end/24427
2271 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
2272 into (X,C2) if C1 is a subset of the bits of C2. Transform
2273 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
2274 (X&(C1&~C2))|C2.
2275 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
2277 2006-02-13 Josh Conner <jconner@apple.com>
2279 PR target/25376
2280 * varasm.c (function_section): Check for section name before
2281 calling select_section on targets that define
2282 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
2283 unlikely_text_section instead of hot_function_section if
2284 first_function_block_is_cold.
2286 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
2288 PR middle-end/25335
2289 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
2291 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
2293 PR rtl-optimization/26222
2294 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
2295 after tree->rtl expansion.
2296 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
2297 before passing it to emit_move_insn.
2299 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
2301 * doc/invoke.texi (-Write-strings): Document that it is enabled by
2302 default.
2303 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
2304 Clarify documentation.
2305 * c-common.h (warn_write_strings): Remove.
2306 * c-common.c (warn_write_strings): Likewise.
2307 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
2308 default for C++.
2310 2006-02-12 Roger Sayle <roger@eyesopen.com>
2312 PR middle-end/25724
2313 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
2314 (do_jump_parts_zero_rtx): New function renamed from
2315 do_jump_parts_equality_rtx. Made static. Add a mode argument.
2316 (do_jump_parts_equality_rtx): New function split out from
2317 do_jump_parts_equality. Old implementation renamed as above.
2318 Call do_jump_parts_zero_rtx if either operand is zero.
2319 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
2320 do all of the heavy lifting.
2321 (do_compare_rtx_and_jump): Handle multi-word comparisons by
2322 calling either do_jump_by_parts_greater_rtx or
2323 do_jump_by_parts_equality_rtx.
2324 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
2325 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
2326 moved to do_compare_rtx_and_jump, call it directly.
2327 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
2328 mode argument. Call do_compare_rtx_and_jump.
2329 (emit_case_nodes): Update calls to do_jump_if_equal.
2331 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
2333 PR rtl-optimization/26225
2334 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
2336 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
2338 PR rtl-optimization/26232
2339 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
2341 2006-02-11 Jason Merrill <jason@redhat.com>
2343 PR tree-opt/24365
2344 * tree-inline.c (declare_return_variable): Just don't use the
2345 modify target if it's a gimple complex reg and the return slot
2346 isn't.
2348 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2350 * doc/contrib.texi: Update my entry.
2352 2006-02-10 Geoffrey Keating <geoffk@apple.com>
2354 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
2356 2006-02-10 Diego Novillo <dnovillo@redhat.com>
2358 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
2359 expensive.
2361 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
2363 * doc/invoke.texi (-floop-optimize2): Removed.
2364 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
2365 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
2366 Test flag_branch_on_count_reg only if HAVE_doloop_end.
2367 * common.opt (floop-optimize2): Removed.
2368 (fmove-loop-invariants): Enabled by default.
2370 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
2372 * tree-if-conv.c (combine_blocks): Free the result of
2373 get_loop_exit_edges.
2375 2006-02-10 Jeff Law <law@redhat.com>
2377 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
2379 PR tree-optimization/26213
2380 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
2381 loop trying to follow SSA_NAME_VALUE chains.
2383 2006-02-10 Richard Guenther <rguenther@suse.de>
2385 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
2386 deal with structures that end in implicitly variable sized arrays.
2388 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
2390 PR rtl-optimization/24762
2391 * df-scan.c (df_bb_refs_record): Record correct registers defined on
2392 eh edges.
2394 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
2396 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
2397 (struct ivopts_data): Add regs_used field.
2398 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
2399 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
2400 instead of loop_data->regs_used;
2401 (free_loop_data): Do not free aux fields for loops.
2402 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
2403 and tree_ssa_iv_optimize_finalize.
2405 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
2407 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
2409 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
2411 PR target/26141
2412 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
2413 computing the effective result type.
2415 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
2417 PR inline-asm/16194
2418 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
2419 (tree_overlaps_hard_reg_set): Declare.
2420 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
2421 type and signature to match function type expected by walk_tree.
2422 (tree_overlaps_hard_reg_set): New function.
2423 (decl_conflicts_with_clobbers_p): Rename to:
2424 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
2425 Use tree_overlaps_hard_reg_set. Changed caller.
2426 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
2427 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
2428 * cris.c (cris_md_asm_clobbers): Likewise.
2430 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
2432 * reload1.c (emit_input_reload_insns): Delete code that tries to
2433 inherit using find_equiv_reg.
2435 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
2437 * c-common.h (flag_const_strings): Don't declare.
2438 * c-common.c (flag_const_strings): Remove.
2439 * c.opt (fconst_strings): Remove.
2440 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
2441 <OPT_Wwrite_strings>: Don't set flag_const_strings.
2442 (c_common_init_options): Don't set flag_const_strings.
2443 * doc/invoke.texi (-fno-const-strings): Remove documentation.
2445 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
2447 * arm.md (tlobits_cbranch): New pattern.
2448 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
2449 testing a single bit.
2451 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
2453 PR tree-opt/26179
2454 * tree-ssa-pre.c (create_component_ref_by_pieces):
2455 Handle RETURN_DECL like VAR_DECL.
2457 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
2459 PR middle-end/26134
2460 * fold-const.c (fold_indirect_ref_1): Fold
2461 "*(foo *)&complexfoo" to "__real__ complexfoo"
2462 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
2464 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
2466 * tree-flow-inline.h (var_can_have_subvars):
2467 Volatile variables should not have subvariables.
2469 2006-02-09 Diego Novillo <dnovillo@redhat.com>
2471 PR 26180
2472 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
2473 multiplying unsigned values.
2474 Tidy comments.
2476 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
2478 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
2480 2006-02-08 Jason Merrill <jason@redhat.com>
2482 PR c++/25979
2483 * tree.def: Elaborate on difference from MODIFY_EXPR.
2484 * doc/c-tree.texi (INIT_EXPR): Likewise.
2485 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
2486 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
2487 (gimplify_target_expr): Likewise.
2488 (gimplify_cond_expr): Remove target handling.
2489 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
2490 (gimplify_expr): Clobber it here.
2491 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
2492 Do return slot optimization if we have an INIT_EXPR.
2494 PR tree-opt/24365
2495 * tree-inline.c (declare_return_variable): Also clear
2496 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
2498 PR c++/16405
2499 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
2501 PR middle-end/22439
2502 * gimplify.c (gimplify_one_sizepos): Fix typo.
2504 2006-02-08 Jeff Law <law@redhat.com>
2506 PR tree-optimization/21417
2507 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
2508 across a backedge if the control statement at the end of the
2509 block is data dependent on other statements in the same block.
2510 (record_temporary_equivalences_from_stmts): Remove over-conservative
2511 test for threading across backedges.
2513 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
2514 control statement, handle all three special cases in the same
2515 manner as they all have the same desired solution. No longer
2516 special case edge flag updating when the post dominator is
2517 the exit block.
2519 2006-02-08 Roger Sayle <roger@eyesopen.com>
2521 * tree.def (CHAR_TYPE): Remove.
2522 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
2523 * dwarf2out.c (base_type_die, is_base_type): Likewise.
2524 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
2525 (gen_string_type_die): Delete unreachable function.
2527 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
2528 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
2529 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
2530 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
2531 * builtins.c (type_to_class): Likewise.
2532 * fold-const.c (fold_convert, build_range_check,
2533 merge_ranges): Likewise.
2534 * expr.c (count_type_elements): Likewise.
2535 * c-pretty-print.c (pp_c_type_specifier): Likewise.
2536 * stor-layout.c (layout_type): Likewise.
2537 * ipa-type-escape.c (type_to_consider): Likewise.
2538 * gimplify.c (omp_firstprivatize_type_sizes,
2539 gimplify_type_sizes): Likewise.
2540 * explow.c (promote_mode): Likewise.
2541 * tree-sra.c (is_sra_scalar_type): Likewise.
2542 * varasm.c (output_constant): Likewise.
2543 * tree-inline.c (remap_type_1): Likewise.
2544 * convert.c (convert_to_pointer, convert_to_real,
2545 convert_to_integer, convert_to_complex): Likewise.
2547 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
2549 * df-scan.c (df_def_record_1): A set destination may
2550 be a parallel regardless of mode.
2552 2006-02-08 Roger Sayle <roger@eyesopen.com>
2554 PR target/22209
2555 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
2556 * config/mips/_tilib.c: Remove.
2557 * config/fixtfdi.c: New libgcc source file.
2558 * config/fixunstfdi.c: New source file.
2559 * config/floatditf.c: New source file.
2560 * config/floatunditf.c: New souce file.
2561 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
2562 files above instead of config/mips/_tilib.c.
2563 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
2565 2006-02-08 Jeff Law <law@redhat.com>
2567 PR tree-optimization/26169
2568 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
2569 threading jumps.
2571 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
2573 * df.h (DF_REG_SIZE): Return the length of the initialized
2574 part of the array.
2576 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
2578 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
2579 __muldf3): Return a correctly signed zero.
2581 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
2583 * passes.c (register_one_dump_file): Accept the current properties
2584 instead of pass number. Adjust call to dump_register. Remove
2585 duplicated code.
2586 (register_dump_files): Now a wrapper around...
2587 (register_dump_files_1): ... this one. Do not modify the pass
2588 structure.
2589 (next_pass_1): Cosmetic fix.
2590 (execute_todo): Keep second parameter only. Use curr_properties
2591 instead of fetching it from the pass structure. Check and set
2592 last_verified.
2593 (execute_one_pass): Handle TODO_set_props. Use curr_properties
2594 instead of fetching it from the pass structure. Fix calls to
2595 execute_todo. Update curr_properties and initialize .vcg RTL dump
2596 after running the pass. Reset last_verified.
2597 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
2598 at the beginning.
2599 (FIRST_AUTO_NUMBERED_DUMP): New.
2600 (dump_register): Remove "num" parameter, assign it within the
2601 function.
2602 (get_dump_file_name): Modify template for dumps.
2603 * tree-dump.h (dump_register): Adjust prototype.
2604 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
2605 (PROP_trees): Add PROP_gimple_lomp.
2606 (TODO_set_props): New.
2607 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
2608 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
2609 * cfgexpand.c (pass_expand): Destroy PROP_trees.
2611 2006-02-08 Jakub Jelinek <jakub@redhat.com>
2613 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
2614 (sparc64-*-linux*): Likewise.
2615 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
2616 * config/sparc/t-linux: New file.
2617 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
2618 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
2619 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
2620 -m32 -mlong-double-128.
2622 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
2623 * config/alpha/t-linux: New file.
2624 * config/alpha/libgcc-alpha-ldbl.ver: New file.
2626 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
2627 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
2628 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
2629 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
2630 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
2631 (CPP_ARCH32_SPEC): Remove.
2633 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
2635 PR tree-optimization/26145
2636 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
2637 bbs pointer.
2639 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2641 PR target/26109
2642 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
2643 >= 240000 when generating code for SOM runtime.
2644 (output_indirect_call): Don't use "b,l" instruction for indirect calls
2645 to $$dyncall when generating code for SOM runtime..
2647 2006-02-07 Dirk Mueller <dmueller@suse.com>
2649 PR c++/18150
2650 * doc/invoke.texi (-Wsequence-point): Update documentation
2651 that -Wsequence-point is implemented for C++ as well.
2653 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
2655 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
2656 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
2657 (LIB_SPEC): Likewise.
2658 * doc/invoke.texi (SPARC options): Document -pthread.
2660 2006-02-07 Geoffrey Keating <geoffk@apple.com>
2662 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
2663 PIC addresses.
2665 2006-02-07 Roger Sayle <roger@eyesopen.com>
2667 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
2668 Correct comment describing BOOLEAN_TYPE.
2670 2006-02-07 Dirk Mueller <dmueller@suse.com>
2672 * c.opt: C++ frontend supports -Wdiv-by-zero.
2673 * c-opts.c (c_common_handle_option): Remove dead case.
2675 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
2677 * configure.ac (TLS assembler check): Do not enable TLS by
2678 default on SPARC/Solaris before version 10.
2679 * configure: Regenerate.
2681 2006-02-07 David Edelsohn <edelsohn@gnu.org>
2683 * doc/invoke.texi (xl-compat): Document conversion and support
2684 routine names.
2686 2006-02-07 Jeff Law <law@redhat.com>
2688 * tree-vrp.c (find_conditional_asserts): Update comments.
2689 (simplify_stmt_for_jump_threading): New.
2690 (identify_jump_threads, finalize_jump_threads): New.
2691 (vrp_finalize): Call identify_jump_threads.
2692 (execute_vrp): Call finalize_jump_threads.
2693 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
2694 (vrp_element, vrp_data, vrp_element_p): Remove.
2695 (vrp_hash_elt, vrp_variables_stack): Remove.
2696 (vrp_hash, vrp_eq, record_range): Remove.
2697 (simplify_cond_and_lookup_avail_expr): Remove.
2698 (extract_range_from_cond): Remove.
2699 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
2700 (simplify_stmt_for_jump_threading): New.
2701 (dom_thread_across_edge): New wrapper.
2702 (tree_ssa_dominator_optimize): No longer initialize or
2703 finalize any of the VRP datastructures. Remove iteration
2704 step and simplify as a result of removal of iteration step.
2705 (pass_dominator): Perform a cfg cleanup after DOM.
2706 (dom_opt_finalize_block): Use the new common routines
2707 for threading jumps. Simplify stack management slightly.
2708 No longer need to unwind VRP state.
2709 (record_equivalences_from_incoming_edge): No longer record
2710 VRP information.
2711 (eliminate_redundant_computations): No longer call
2712 simplify_cond_and_lookup_avail_expr.
2713 * tree-flow.h (potentially_threadable_block): Prototype.
2714 (thread_across_edge): Likewise.
2715 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
2716 (tree-ssa-threadedge.o): Add dependencies.
2717 * tree-ssa-threadedge.c: New file.
2718 * passes.c (init_optimization_passes): Merge PHIs before
2719 calling VRP. Run VRP again late in the SSA optimization pipeline.
2721 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
2723 * df-core.c (df_set_blocks): Do not dereference function pointers.
2724 (df_finish1): Likewise.
2725 (df_hybrid_search_forward): Likewise.
2726 (df_hybrid_search_backward): Likewise.
2727 (df_iterative_dataflow): Likewise.
2728 (df_analyze_problem): Likewise.
2729 (df_compact_blocks): Likewise.
2730 (df_dump): Likewise.
2731 * df-scan.c (df_rescan_blocks): Likewise.
2732 (df_record_entry_block_defs): Likewise.
2734 * genconditions.c (write_conditions): Guard the definition of
2735 'insn_conditions' with the check on GCC version.
2736 (write_writer): Guard the traversal 'insn_conditions' with
2737 the check on GCC version.
2739 2006-02-07 Richard Guenther <rguenther@suse.de>
2741 PR c++/26140
2742 Revert
2743 2006-01-30 Richard Guenther <rguenther@suse.de>
2744 PR c++/23372
2745 * gimplify.c (gimplify_target_expr): Handle easy cases
2746 without creating a temporary.
2748 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
2750 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
2751 use of float in probability computations. Use edge probabilities
2752 in place of statically computed probabilities.
2753 (min_spec_prob): New static variable.
2754 (schedule_insns): Initialize it.
2755 (GET_SRC_PROB): Removed.
2756 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
2758 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
2760 PR debug/24444
2761 * config/ia64/unwind-ia64.c: Revert last change.
2762 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
2763 (INCOMING_FRAME_SP_OFFSET): Define.
2765 2006-02-06 Roger Sayle <roger@eyesopen.com>
2767 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
2769 2006-02-07 Ben Elliston <bje@au.ibm.com>
2771 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
2772 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
2773 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
2774 (ix86_return_in_memory): Handle TDmode.
2775 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
2776 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
2778 2006-02-06 Richard Sandiford <richard@codesourcery.com>
2780 * reorg.c (dbr_schedule): Use dump_file instead of file.
2782 2006-02-06 Steve Ellcey <sje@cup.hp.com>
2784 PR target/25917
2785 * config/ia64/predicates.md (extr_len_operand): New predicate.
2786 * config/ia64/ia64.md (extv): Tighten constraints.
2787 (extzv): Ditto.
2788 (*tbit_and_2): Ditto.
2789 (*tbit_and_3): Ditto.
2790 (*tbit_or_2): Ditto.
2791 (*tbit_or_3): Ditto.
2792 (*bit_zero): Ditto.
2793 (*bit_one): Ditto.
2795 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
2797 PR target/23359
2798 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
2800 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
2802 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
2803 loop_optimizer_init and loop_optimizer_finalize
2804 * tree-ssa-sink.c (execute_sink_code): Ditto.
2805 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
2806 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
2807 tree_ssa_loop_done): Ditto.
2808 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
2809 * sched-ebb.c: Include output.h.
2810 (schedule_ebbs): Do not use dump argument.
2811 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
2812 * loop.c (loop_dump_stream): Removed.
2813 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
2814 argument.
2815 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
2816 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
2817 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
2818 loop_iterations, strength_reduce, record_biv, record_giv,
2819 final_giv_value, check_final_value, check_ext_dependent_givs,
2820 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
2821 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
2822 dump_file instead of loop_dump_stream.
2823 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
2824 argument dump_file.
2825 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
2826 dump argument.
2827 * flow.c (life_analysis, rest_of_handle_life): Ditto.
2828 * haifa-sched.c: Include output.h
2829 (schedule_insns, sched_init): Do not use dump argument.
2830 * mode-switching.c (optimize_mode_switching): Ditto.
2831 * modulo-sched.c (stats_file): Removed.
2832 (print_node_sched_params): Do not call argument dump_file.
2833 (sms_schedule_by_order, loop_canon_p, sms_schedule,
2834 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
2835 of stats_file.
2836 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
2837 use dump argument.
2838 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
2839 rtl_loop_init, rtl_loop_done): Ditto.
2840 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
2841 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
2842 Ditto.
2843 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
2844 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
2845 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
2846 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
2847 * emit-rtl.c (renumber_insns): Ditto.
2848 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
2849 expand_gimple_basic_block, tree_expand_cfg): Ditto.
2850 * regclass.c (regclass): Ditto.
2851 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
2852 remove_ssa_form, rewrite_out_of_ssa): Ditto.
2853 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
2854 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
2855 Ditto.
2856 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
2857 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
2858 to regclass.
2859 * gcse.c (gcse_file, debug_stderr): Removed.
2860 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
2861 rest_of_handle_gcse): Do not use dump argument.
2862 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
2863 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
2864 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
2865 compute_code_hoist_vbeinout, compute_code_hoist_data,
2866 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
2867 compute_store_table, build_store_vectors, insert_insn_start_bb,
2868 insert_store, remove_reachable_equiv_notes, replace_store_insn,
2869 store_motion): Use dump_file instead of gcse_file.
2870 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
2871 * profile.c (profile_dump_file): Removed.
2872 (branch_prob): Use dump_file instead of profile_dump_file.
2873 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
2874 dump_file.
2875 * tree-ssa-copy.c (dump_copy_of): Ditto.
2876 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
2877 dump file to life_analysis.
2878 * bt-load.c (branch_target_load_optimize): Ditto.
2879 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
2880 renumber_insns.
2881 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
2882 regclass, dbr_schedule): Declaration changed.
2883 * sched-int.h (sched_init): Declaration changed.
2884 * tree-profile.c (tree_profile_dump_file): Removed.
2885 (tree_profile_hooks): Removed profile_dump_file hook.
2886 * rtl-profile (rtl_profile_dump_file): Removed.
2887 (rtl_profile_hooks): emoved profile_dump_file hook.
2888 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
2889 changed.
2890 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
2891 * tree-cfg.c (build_tree_cfg): Ditto.
2892 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
2893 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
2894 Declaration changed.
2895 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
2896 life_analysis and schedule_insns.
2897 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
2898 life_analysis.
2899 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
2900 dbr_schedule.
2901 * config/mips/mips.c (mips_reorg): Ditto.
2902 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
2903 schedule_ebbs.
2905 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
2907 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
2908 (s390_mangle_fundamental_type): New.
2909 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
2910 Define.
2912 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
2913 (alpha_mangle_fundamental_type): New.
2914 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
2915 Define.
2917 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
2918 Define.
2919 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
2920 Define.
2921 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
2922 (sparc_mangle_fundamental_type): New.
2924 2006-02-06 Jakub Jelinek <jakub@redhat.com>
2926 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
2927 (s390x-*-linux*): Likewise.
2928 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
2929 * config/s390/t-linux: New file.
2931 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
2933 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
2934 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
2936 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
2938 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
2939 (ANTIC_SAFE_LOADS): New macro.
2940 (find_or_generate_expression): Add prototype.
2941 (set_contains_value): Allow null set for sake of not always having
2942 to allocate ANTIC_SAFE_LOADS.
2943 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
2944 Allow COMPONENT_REF too.
2945 (valid_in_set): Allow COMPONENT_REF.
2946 Check ANTIC_SAFE_LOADS too.
2947 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
2948 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
2949 rename.
2950 (can_PRE_operation): Add COMPONENT_REF.
2951 (create_component_ref_by_pieces): New function.
2952 (create_expression_by_pieces): Use create_component_ref_by_pieces.
2953 (insert_aux): Move AGGREGATE_TYPE_P check here.
2954 (compute_avail): Set bb local stmt uids.
2955 (pass_pre): Use TODO_update_ssa_only_virtuals.
2957 2006-02-06 Ben Elliston <bje@au.ibm.com>
2959 * configure.ac: Unconditionally disable decimal float by default.
2960 * configure: Regenerate.
2962 2006-02-06 Ben Elliston <bje@au.ibm.com>
2964 * read-rtl.c (read_name): Terminate reading on EOF.
2966 2006-02-06 Ben Elliston <bje@au.ibm.com>
2968 * dfp.c (decimal_real_arithmetic): Change second argument type
2969 from int to enum tree_code. Do not always return true, but now
2970 return result of any call to decimal_do helper functions.
2971 * dfp.h (decimal_real_arithmetic): Update prototype.
2973 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
2975 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
2977 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
2979 PR tree-opt/25251
2980 * tree-cfg.c (cleanup_dead_labels): Also don't remove
2981 forced labels.
2983 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
2985 * tree-vrp.c (cfg_loops): Removed.
2986 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
2987 Use current_loops instead of cfg_loops. Pass flags to
2988 loop_optimizer_init.
2989 * cfgloopmanip.c (fix_loop_structure): Update only available
2990 information.
2991 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
2992 loop_optimizer_init.
2993 * modulo-sched.c (build_loops_structure): Removed.
2994 (sms_schedule): Use loop_optimizer_init.
2995 * loop-init.c (loop_optimizer_init): Use flags to determine
2996 which properties of loops to prepare.
2997 (rtl_loop_init): Pass flags to loop_optimizer_init.
2998 * tree-ssa-sink.c (execute_sink_code): Ditto.
2999 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
3000 * tree-ssa-pre.c (init_pre): Ditto.
3001 * cfgloop.h (LOOPS_NORMAL): New.
3002 (loop_optimizer_init): Declaration changed.
3004 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3006 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
3007 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
3008 pa/t-pa.
3009 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
3010 pa/t-pa.
3011 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
3012 pa/x-ada.
3013 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
3014 * pa/t-pa64: Delete quadlib.c rule.
3015 * pa/x-ada: Revert last change.
3016 * pa/t-pa: Revert last change. Delete quadlib.c rule.
3018 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
3020 PR rtl-optimization/26087
3021 * rtlanal.c (canonicalize_condition): Do not cross basic block
3022 boundaries.
3024 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
3026 PR debug/24444
3027 * config/ia64/ia64.c: Include debug.h.
3028 (MAX_ARTIFICIAL_LABEL_BYTES): New.
3029 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
3030 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
3031 (process_epilogue, process_set, process_for_unwind_directive):
3032 Output unwind info only if requested. Add CFA info if requested.
3033 Add new arguments as needed. Adjust callers.
3034 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
3035 incorrect default.
3036 (DWARF2_FRAME_INFO): Define to zero.
3037 * config/ia64/unwind-ia64.c: Remove code that compensated for
3038 the CFA offset error fixed above.
3039 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
3040 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
3041 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
3042 -funwind-tables and -fexceptions to enable frame info.
3043 (dwarf2out_frame_init): Define initial CFA even if
3044 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
3045 DWARF2_UNWIND_INFO is nonzero, not just defined.
3046 (dwarf2out_frame_finish): Output non-EH call frame info only
3047 if DWARF2_FRAME_INFO is nonzero.
3048 (convert_cfa_to_loc_list,
3049 compute_frame_pointer_to_cfa_displacement): Define even if
3050 unwind info is not supported.
3051 (gen_subprogram_die): Use the above unconditionally. Remove
3052 legacy alternate code.
3053 * toplev.c (compile_file): Compile in call to
3054 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
3055 (lang_dependent_init): Ditto for dwarf2out_frame_init.
3057 2006-02-04 David Edelsohn <edelsohn@gnu.org>
3058 Jakub Jelinek <jakub@redhat.com>
3060 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
3061 IBM extended float format long double as "g" on powerpc*-linux.
3063 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3065 PR target/25926
3066 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
3067 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
3069 2006-02-03 Jason Merrill <jason@redhat.com>
3071 PR c++/25979
3072 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
3074 PR middle-end/25977
3075 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
3076 on the return slot if it's an NRV.
3078 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
3080 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
3081 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
3082 rewrite_use): Do not handle USE_OUTER.
3083 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
3084 add_iv_outer_candidates, may_replace_final_value,
3085 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
3086 (find_interesting_uses_op): Functionality of
3087 find_interesting_uses_outer_or_nonlin moved here.
3088 (find_interesting_uses_outside): Use find_interesting_uses_op.
3090 2006-02-03 Alan Modra <amodra@bigpond.net.au>
3092 PR target/25960
3093 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
3095 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
3096 Ulrich Weigand <uweigand@de.ibm.com>
3098 PR target/25864
3099 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
3100 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
3101 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
3102 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
3103 and dxr fields.
3104 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
3105 (s390_rtx_costs): Use the new fields to calculate rtx costs.
3106 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
3107 Define secondary reloads for TFmode moves.
3108 (constant_modes): Add TFmode.
3109 (NR_C_MODES): Set to 8.
3110 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
3111 builtin define.
3112 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
3113 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
3114 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
3115 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
3116 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
3117 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
3118 (FPR mode macro): Add TFmode.
3119 (DSF mode macro): New.
3120 (<de>, <dee> mode attributes): Removed.
3121 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
3122 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
3123 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
3124 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
3125 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
3126 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
3127 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
3128 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
3129 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
3130 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
3131 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
3132 "*negabs<mode>2", "sqrt<mode>2"):
3133 Changed <de> to <xde>. R constraint replaced by <Rf>.
3134 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
3135 <Rf>.
3136 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
3137 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
3138 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
3139 splitters.
3140 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
3141 "extenddftf2", "extendsftf2"): New expanders.
3142 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
3143 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
3144 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
3145 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
3146 New options.
3147 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
3148 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
3149 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
3150 __floatditf): Add a GCC_4.1.0 symbol version tag.
3151 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
3152 the new options.
3154 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
3156 PR target/25377
3157 * config/i386/i386.c (ix86_function_ok_for_sibcall):
3158 Use targetm.binds_local_p instead of TREE_PUBLIC.
3160 2006-02-02 Roger Sayle <roger@eyesopen.com>
3162 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
3163 on INTEGER_TYPEs to indicate that it denotes a character type.
3164 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
3165 signed_char_type_node, unsigned_char_type_node and char_type_node.
3166 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
3167 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
3168 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
3170 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
3171 Daniel Berlin <dberlin@dberlin.org>
3173 * tree-tailcall.c (arg_needs_copy_p): New function.
3174 (eliminate_tail_call): Use arg_needs_copy_p.
3175 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
3176 (add_virtual_phis): New function.
3178 2006-02-02 Jakub Jelinek <jakub@redhat.com>
3180 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
3181 #ignore instead of #scratch for %g7 .register directive.
3183 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
3185 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
3186 object files.
3188 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
3190 * flow.c (calculate_global_regs_live): Assert that there aren't any
3191 EDGE_FAKE edges.
3193 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
3195 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
3196 what its name says.
3197 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
3198 bsi_after_labels iterator.
3199 * tree-if-conv.c (find_phi_replacement_condition,
3200 replace_phi_with_cond_modify_expr): Likewise.
3201 * tree-scalar-evolution.c (scev_const_prop): Likewise.
3202 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
3204 2006-02-02 Diego Novillo <dnovillo@redhat.com>
3206 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
3208 2006-02-02 Diego Novillo <dnovillo@redhat.com>
3210 PR 25990
3211 * tree-cfg.c (move_block_to_fn): Clear out the basic block
3212 array after growing it.
3214 2006-02-01 Steve Ellcey <sje@cup.hp.com>
3216 PR middle-end/24901
3217 * fold-const.c (fold_checksum_tree): Change type of buf.
3219 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
3221 * reload.c (push_secondary_reload): Initialize t_icode.
3223 2006-02-01 Jakub Jelinek <jakub@redhat.com>
3225 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
3226 -msoft-float -mlong-double-128 only issue a warning, but don't
3227 swich to DFmode long double.
3229 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
3231 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
3232 has a constant equivalent, iterate over equivalents for arg0,
3233 calling simplify_relational_operation and if there's a result
3234 cheaper than X, apply fold_rtx and return the result.
3236 2006-02-01 Jan Hubicka <jh@suse.cz>
3238 * opts.c (no_unit_at_a_time_default): New global variable.
3239 (decode_options): Use it.
3240 * opts.h (no_unit_at_a_time_default): Declare.
3242 2006-02-01 Paul Brook <paul@codesourcery.com>
3244 * function.c (assign_parm_setup_reg): Use function argument promotion
3245 rules.
3246 * expr.c (expand_expr_real_1): Use function argument promotion rules
3247 for PARM_DECLs.
3249 2006-02-01 Steve Ellcey <sje@cup.hp.com>
3251 * gcc.c (process_command): Change j to 'unsigned int'.
3253 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
3255 PR middle-end/26001
3256 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
3257 Use the corrected index for the character
3258 out of the string constant.
3260 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
3262 * mode-switching.c (optimize_mode_switching): Fix size
3263 allocated for bb_info[n_entities].
3265 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
3267 * gcc.c (main): Correct type that is allocated for
3268 explicit_link_files.
3270 2006-01-31 Jakub Jelinek <jakub@redhat.com>
3272 * config/s390/s390.c (init_alignment_context): Set
3273 ALIAS_SET_MEMORY_BARRIER on the MEM.
3274 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
3276 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
3278 PR middle-end/25933
3279 * loop-unroll.c (unroll_loop_runtime_iterations): Free
3280 dom_bbs pointer.
3281 * tree-ssa-live.c (type_var_init): Allocate bitmap after
3282 call to tpa_init.
3284 2006-01-31 Marcin Dalecki <martin@dalecki.de>
3286 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
3287 * regrename.c: Ditto.
3288 * tree-ssa-loop-im.c: Ditto.
3289 * tree-dump.c: Ditto.
3290 * tree-complex.c: Ditto.
3291 * genrecog.c: Ditto.
3292 * tree-ssa-threadupdate.c: Ditto.
3293 * tracer.c: Ditto.
3294 * java/class.c: Ditto.
3295 * java/jcf-parse.c: Ditto.
3296 * java/resource.c: Ditto.
3297 * java/except.c: Ditto.
3298 * java/jvspec.c: Ditto.
3299 * java/jcf-write.c: Ditto.
3300 * java/jcf-path.c: Ditto.
3301 * java/gjavah.c: Ditto.
3302 * java/zextract.c: Ditto.
3303 * java/jcf-io.c: Ditto.
3304 * java/jcf.h: Ditto.
3305 * java/buffer.c: Ditto.
3306 * java/lang.c: Ditto.
3307 * java/parse-scan.y: Ditto.
3308 * java/lex.c: Ditto.
3309 * java/lex.h: Ditto.
3310 * cfgloopmanip.c: Ditto.
3311 * postreload-gcse.c: Ditto.
3312 * tree-ssa-loop-manip.c: Ditto.
3313 * postreload.c: Ditto.
3314 * tree-ssa-loop-ch.c: Ditto.
3315 * loop.c: Ditto.
3316 * ipa-cp.c: Ditto.
3317 * cppspec.c: Ditto.
3318 * diagnostic.c: Ditto.
3319 * final.c: Ditto.
3320 * genoutput.c: Ditto.
3321 * gcc.c: Ditto.
3322 * cfghooks.c: Ditto.
3323 * cfgloopanal.c: Ditto.
3324 * objc/objc-act.c: Ditto.
3325 * gcov.c: Ditto.
3326 * genextract.c: Ditto.
3327 * genautomata.c: Ditto.
3328 * pretty-print.c: Ditto.
3329 * genemit.c: Ditto.
3330 * cgraphunit.c: Ditto.
3331 * flow.c: Ditto.
3332 * df-scan.c: Ditto.
3333 * haifa-sched.c: Ditto.
3334 * dominance.c: Ditto.
3335 * dbxout.c: Ditto.
3336 * tree-ssa-loop-ivopts.c: Ditto.
3337 * df-core.c: Ditto.
3338 * mode-switching.c: Ditto.
3339 * modulo-sched.c: Ditto.
3340 * graph.c: Ditto.
3341 * ipa-pure-const.c: Ditto.
3342 * cse.c: Ditto.
3343 * fix-header.c: Ditto.
3344 * web.c: Ditto.
3345 * tree-stdarg.c: Ditto.
3346 * ipa-utils.c: Ditto.
3347 * loop-init.c: Ditto.
3348 * ipa-inline.c: Ditto.
3349 * cfganal.c: Ditto.
3350 * global.c: Ditto.
3351 * alloc-pool.c: Ditto.
3352 * dwarf2out.c: Ditto.
3353 * opts.c: Ditto.
3354 * genattrtab.c: Ditto.
3355 * tree-ssa-loop-ivcanon.c: Ditto.
3356 * predict.c: Ditto.
3357 * timevar.c: Ditto.
3358 * lcm.c: Ditto.
3359 * fortran/gfortranspec.c: Ditto.
3360 * regmove.c: Ditto.
3361 * local-alloc.c: Ditto.
3362 * langhooks.c: Ditto.
3363 * function.c: Ditto.
3364 * tree-vectorizer.c: Ditto.
3365 * gcse.c: Ditto.
3366 * ipa-type-escape.c: Ditto.
3367 * alias.c: Ditto.
3368 * tree-if-conv.c: Ditto.
3369 * profile.c: Ditto.
3370 * ipa.c: Ditto.
3371 * tree-data-ref.c: Ditto.
3372 * loop-unroll.c: Ditto.
3373 * treelang/treetree.c: Ditto.
3374 * calls.c: Ditto.
3375 * bt-load.c: Ditto.
3376 * ggc-common.c: Ditto.
3377 * except.c: Ditto.
3378 * coverage.c: Ditto.
3379 * cselib.c: Ditto.
3380 * tree-cfgcleanup.c: Ditto.
3381 * tree-ssa-pre.c: Ditto.
3382 * cfgcleanup.c: Ditto.
3383 * loop-invariant.c: Ditto.
3384 * loop-iv.c: Ditto.
3385 * ipa-prop.c: Ditto.
3386 * print-tree.c: Ditto.
3387 * conflict.c: Ditto.
3388 * ggc-page.c: Ditto.
3389 * sched-deps.c: Ditto.
3390 * regclass.c: Ditto.
3391 * tree-object-size.c: Ditto.
3392 * combine.c: Ditto.
3393 * bb-reorder.c: Ditto.
3394 * resource.c: Ditto.
3395 * var-tracking.c: Ditto.
3396 * cfgloop.c: Ditto.
3397 * df-problems.c: Ditto.
3398 * reg-stack.c: Ditto.
3399 * tlink.c: Ditto.
3400 * gccspec.c: Ditto.
3401 * sched-rgn.c: Ditto.
3402 * tree-ssa-structalias.c: Ditto.
3403 * tree-ssa-reassoc.c: Ditto.
3404 * config/darwin-c.c: Ditto.
3405 * config/darwin.c: Ditto.
3406 * config/arm/arm.c: Ditto.
3407 * cfgrtl.c: Ditto.
3408 * collect2.c: Ditto.
3409 * reload1.c: Ditto.
3411 2006-01-31 Nicolas Pitre <nico@cam.org>
3413 * arm.md (smaxsi3): Make aware of smax_m1.
3414 (smax_m1): New.
3416 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
3418 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
3420 2006-01-31 Richard Guenther <rguenther@suse.de>
3422 * doc/invoke.texi (-msselibm): Document.
3423 * target.h (expand_library_builtin): New target hook.
3424 * builtins.c (expand_builtin): Use expand_library_builtin.
3425 (default_expand_library_builtin): New function.
3426 * gcc.c (LINK_GCC_MATH_SPEC): Define.
3427 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
3428 (link_gcc_math_spec): Declare.
3429 (static_specs): Add link_gcc_math_spec.
3430 * expr.h (default_expand_library_builtin): Declare.
3431 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
3432 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
3433 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
3434 * config/i386/i386.opt (msselibm): New target option.
3435 * config/i386/i386.c (ix86_builtin_function_variants): New array.
3436 (ix86_init_sse_abi_builtins): New function.
3437 (ix86_expand_library_builtin): Likewise.
3438 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
3439 (override_options): Handle error conditions wrt -msselibm.
3440 (ix86_builtins): Add function codes for SSE2 ABI builtins.
3441 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
3442 * doc/extend.texi (__builtin_sse2_*): Document new target specific
3443 builtins.
3445 2006-01-31 Richard Guenther <rguenther@suse.de>
3446 Paolo Bonzini <bonzini@gnu.org>
3448 * doc/install.texi (--disable-libgcc-math): Document.
3450 2006-01-30 Marcin Dalecki <martin@dalecki.de>
3452 * expr.h (expand_normal): new inline function.
3453 * builtins.c: use it, use EXPAND_NORMAL explicitely.
3454 * dojump.c: use it.
3455 * dwarf2out.c: use it.
3456 * expr.c: use it.
3457 * calls.c: use it.
3458 * expmed.c: use it.
3459 * except.c: use it.
3460 * config/sparc/sparc.c: use it.
3461 * config/i386/i386.c: use it.
3462 * config/rs6000/rs6000.c: use it.
3463 * config/arm/arm.c: use it.
3464 * config/mips/mips.c: use it.
3465 * stmt.c: use it, use EXPAND_NORMAL explicitely.
3467 2006-01-30 Roger Sayle <roger@eyesopen.com>
3469 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
3470 argv to the appropriate type.
3472 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
3474 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
3475 unreachable code.
3477 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
3479 PR target/26018
3480 * config/s390/s390.c (struct machine_function): New flag
3481 decomposed_literal_pool_addresses_ok_p.
3482 (s390_reorg): Set it before final stage of literal pool transforms.
3483 (s390_decompose_address): Only accept displacements of the form
3484 (minus (label_ref ...) (label_ref ...)) if that flag is set.
3486 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
3488 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
3489 the comparison routine return.
3491 2006-01-30 Michael Matz <matz@suse.de>
3493 * global.c (find_reg): Only evict for global regs.
3494 Take n_refs into account and dump more info.
3496 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
3498 PR target/14798:
3499 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
3500 (pragma_trap, pragma_nosave_low_regs): Likewise.
3501 (current_function_anonymous_args): Likewise.
3502 (sh_deferred_function_attributes): New variable.
3503 (sh_deferred_function_attributes_tail): Likewise.
3504 (print_operand): For '@', look up trap_exit attribute.
3505 (calc_live_regs): Look up trapa_handler attribute. For trapa
3506 handlers, save/restore fpscr, but don't do any other
3507 interrupt-specific saves.
3508 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
3509 Fix check for partially saved registers to check for SHmedia.
3510 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
3511 (sh_output_function_epilogue): Don't clear any of the removed
3512 variables.
3513 (sh_insert_attributes): Don't check pragma_interrupt.
3514 Insert deferred attributes. Check that interrupt attribute is
3515 present for other attributes that require its presence.
3516 (sh_attribute_table): Add new attributes trapa_handler and
3517 nosave_low_regs.
3518 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
3519 Don't check for pragma_interrupt. Don't store argument.
3520 * sh.h (pragma_interrupt, sp_switch): Don't declare.
3521 (sh_deferred_function_attributes): Declare.
3522 (sh_deferred_function_attributes_tail): Likewise.
3523 * sh.md (sp_switch_1): Add operand. Change generator caller.
3524 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
3525 (*return_i): Don't use when trap_exit attribute is in effect.
3526 (*return_trapa): New insn pattern.
3527 * sh-c.c: New file.
3528 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
3529 setting c_target_objs and cxx_target_objs.
3530 * t-sh: Add rule for sh-c.o.
3532 2006-01-30 Richard Guenther <rguenther@suse.de>
3534 PR c++/23372
3535 * gimplify.c (gimplify_target_expr): Handle easy cases
3536 without creating a temporary.
3538 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
3540 * vec.h (safe_grow): Remove duplicated line.
3542 2006-01-29 Diego Novillo <dnovillo@redhat.com>
3544 PR 25874
3545 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
3546 (expand_omp): ... here.
3547 (expand_omp_parallel): Only remove barriers for combined
3548 parallel+workshare constructs.
3550 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
3552 Revert
3554 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
3555 * tree.c (build_qualified_type): Chain the new type to the original
3556 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
3557 a POINTER_TYPE or a REFERENCE_TYPE respectively.
3558 (build_pointer_type_for_mode): Only return unqualified types.
3559 (build_reference_type_for_mode): Likewise.
3561 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
3563 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
3564 * Makefile.in (CXX_COMPAT_WARN): Define.
3565 * configure: Regenerate.
3567 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
3569 PR tree-opt/25911
3570 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
3571 to an if check.
3573 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
3575 * toplev.c: Fix thinko.
3577 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
3578 Marcin Dalecki <martin@dalecki.de>
3580 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
3581 (push_srcloc): Use XNEW.
3582 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
3584 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
3586 * df-core.c (df_set_blocks): Deleted all variable.
3588 2006-01-28 Ian Lance Taylor <ian@airs.com>
3590 * cgraphunit.c (cgraph_assemble_pending_functions): Call
3591 cgraph_output_pending_asms.
3593 2006-01-28 Zack Weinberg <zackw@panix.com>
3595 * c.opt: Add -W(no-)overlength-strings.
3596 * doc/invoke.texi: Document it.
3597 * c-opts.c (c_common_handle_option): -pedantic implies
3598 -Woverlength-strings, if not explicitly disabled already.
3599 (c_common_post_options): -Woverlength-strings defaults to off, and
3600 is always off for C++.
3601 * c-common.c (fix_string_type): Issue warning about strings longer
3602 than is portable only if warn_overlength_strings. Rearrange code
3603 a little for clarity.
3604 * configure.in: Check for -Wno-overlength-strings as well before
3605 enabling -pedantic in stage 1.
3606 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
3607 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
3609 * genconditions.c (write_header, write_one_condition)
3610 (write_conditions, write_writer): Consolidate very long strings
3611 that were broken up to fit in C89 portable limit. Don't use
3612 printf when fputs will do.
3614 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
3616 * combine.c (simplify_comparison <AND>): Check
3617 TRULY_NOOP_TRUNCATION before start using a subreg.
3619 * config/mips/mips.md (*branch_zero<mode>,
3620 *branch_zero<mode>_inverted, *branch_equality<mode>,
3621 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
3622 Remove mode check from comparisons.
3624 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
3626 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
3628 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
3630 * expmed.c (const_mult_add_overflow_p): Remove.
3631 * expr.h: Remove the prototype for const_mult_add_overflow_p.
3633 * recog.c (validate_replace_rtx_subexp): Remove.
3634 * recog.h: Remove the prototype for
3635 validate_replace_rtx_subexp.
3637 * integrate.h: Remove the prototype for
3638 copy_decl_for_inlining.
3639 * rtl.h: Remove the prototype for mark_constant_function.
3640 * tree-vectorizer.h: Remove the prototype for
3641 vect_strip_conversion.
3643 * modulo-sched.c (create_partial_schedule,
3644 free_partial_schedule, reset_partial_schedule): Make them
3645 static.
3647 * hooks.c (hook_bool_rtx_int_false): Remove.
3648 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
3650 2006-01-28 David Edelsohn <edelsohn@gnu.org>
3652 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
3653 and -mlong-double-128 are incompatible.
3654 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
3655 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
3656 (TARGET_LIBGCC2_CFLAGS): Define.
3657 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
3658 (TARGET_LIBGCC2_CFLAGS): Same.
3659 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
3661 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
3663 PR c/19606.
3664 * c-typeck.c (build_binary_op): Perform implicit casts of
3665 operands before shortening them.
3667 * cfgloopmanip.c (split_loop_bb): Remove.
3668 * cfgloop.h: Remove the prototype for split_loop_bb.
3670 * cfgloop.c (flow_loop_outside_edge_p): Remove.
3671 * cfgloop.h: Remove the prototype for
3672 flow_loop_outside_edge_p.
3674 * emit-rtl.c (init_virtual_regs): Make it static.
3675 * function.h: Remove the prototype for init_virtual_regs.
3677 * recog.c (peephole2_optimize): Make it static.
3678 * recog.h: Remove the prototype for peephole2_optimize.
3680 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
3682 * df-scan.c (df_record_entry_block_defs): Check if
3683 INCOMING_RETURN_ADDR_RTX is defined.
3685 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
3686 Kenneth Zadeck <zadeck@naturalbridge.com>
3688 PR rtl-optimization/24762
3689 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
3690 * targhooks.c (hook_void_bitmap): New hook prototype.
3691 * targhoohs.h (hook_void_bitmap): Ditto.
3692 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
3693 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
3694 * target.h (live_on_entry): New function pointer.
3695 * df-scan.c (df_all_hard_regs): Removed.
3696 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
3697 (df_scan_free_internal): Added df->entry_block_defs.
3698 (df_scan_alloc): Ditto.
3699 (df_scan_dump): Ditto.
3700 (df_uses_record): Plumbed flag field properly thru calls.
3701 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
3702 This part fixes PR24762.
3703 (df_bb_refs_record): Added code to make the frame and arg
3704 pointers live in EH blocks.
3705 (df_refs_record): Added call to df_record_entry_block_defs.
3706 (df_record_entry_block_defs): New function.
3707 * df-core.c: Added comments to describe new artifical defs.
3708 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
3709 (entry_block_defs): New field in struct df.
3710 (df_all_hard_regs): Deleted.
3711 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
3712 * df-problems.c (df_ru_bb_local_compute_process_def):
3713 Added code to handle artifical defs in the entry to a function.
3714 (df_ru_bb_local_compute): Ditto.
3715 (df_rd_bb_local_compute_process_def): Ditto.
3716 (df_rd_bb_local_compute): Ditto.
3717 (df_lr_bb_local_compute): Ditto.
3718 (df_ur_bb_local_compute): Ditto.
3719 (df_urec_bb_local_compute): Ditto.
3720 (df_chain_create_bb): Ditto.
3721 (df_ur_local_finalize): Removed entry.
3722 (df_urec_init): Ditto.
3723 (df_urec_local_finalize): Ditto.
3724 (df_ri_bb_compute): Added detection of last use of pseudos.
3725 * Makefile.in (df-scan.o): Updated dependencies.
3726 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
3727 * config/mips/mips.c (mips_set_live_on_entry): Added.
3728 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
3729 for target hook.
3730 * dce.c (marked_insn_p): Added code to handle artifical defs.
3732 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
3734 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
3735 intrinsic.
3736 (_mm_cvtsi128_si64): Likewise.
3737 (_mm_cvtsd_si64): Likewise.
3738 (_mm_cvttsd_si64): Likewise.
3739 (_mm_cvtsi64_sd): Likewise.
3740 (_mm_cvtsi64_si128): Likewise.
3741 * config/i386/mmintrin.h (_m_from_int64): Likewise.
3742 (_mm_cvtsi64_m64): Likewise.
3743 (_m_to_int64): Likewise.
3744 (_mm_cvtm64_si64): Likewise.
3745 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
3746 (_mm_cvttss_si64): Likewise.
3747 (_mm_cvtsi64_ss): Likewise.
3748 (_mm_cvtss_f32): Likewise.
3750 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
3752 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
3753 for pragma redefine_extname.
3755 2006-01-27 Jakub Jelinek <jakub@redhat.com>
3757 PR target/25864
3758 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
3759 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
3760 -mno-minimal-toc to previous content.
3761 (bispecs): Remove goal.
3762 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
3763 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
3764 compatibility aliases on powerpc-*-*gnu*.
3765 * config/rs6000/libgcc-ppc-glibc.ver: New file.
3766 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
3767 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
3768 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
3769 (ldblspecs): New goal.
3770 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
3771 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
3772 _df_to_tf.
3773 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
3774 L_sf_to_tf or L_df_to_tf is defined.
3776 2006-01-27 David Edelsohn <edelsohn@gnu.org>
3777 Alan Modra <amodra@bigpond.net.au>
3779 PR target/25864
3780 * config/rs6000/linux.h (POWERPC_LINUX): Define.
3781 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
3782 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
3783 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
3784 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
3785 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
3786 (rs6000_override_options): Initialize rs6000_ieeequad.
3787 Initialize TFmode format to ibm_extended_format if not
3788 TARGET_IEEEQUAD.
3789 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
3790 ieeelongdouble.
3791 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
3792 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
3793 (function_arg_advance): IBM long double passed in two FPRs, not
3794 split.
3795 (function_arg): IBM long double passed in FPRs.
3796 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
3797 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
3798 Only multireg GPR aligned.
3799 (rs6000_init_libfuncs): Enable IBM long double functions if not
3800 IEEEQUAD.
3801 (rs6000_generate_compare): Use IBM long double compare if not
3802 TARGET_IEEEQUAD.
3803 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
3804 (TARGET_IEEEQUAD): Define.
3805 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
3806 not TARGET_IEEEQUAD.
3807 * config/rs6000/rs6000.md: Enable TFmode patterns if
3808 !TARGET_IEEEQUAD.
3809 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
3810 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
3811 and -mlong-double-128 are incompatible.
3812 * doc/invoke.texi (-mabi): Collect options together. Add
3813 ibmlongdouble and ieeelongdouble.
3815 2006-01-27 Richard Sandiford <richard@codesourcery.com>
3817 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
3818 opaque type.
3819 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
3820 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
3821 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
3822 * rtl.h (rtunion_def): Remove rt_ptr.
3823 (X0PTR): Delete.
3824 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
3825 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
3826 * config/i386/winnt.c (i386_pe_mark_dllexport)
3827 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
3829 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
3831 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
3833 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
3835 PR other/24829
3836 PR target/24831
3837 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
3838 pthread_key_delete. From John David Anglin. gthrw-ify
3839 pthread_getunique_np only if it it's not a macro. Delete
3840 UNUSED macro.
3841 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
3842 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
3843 __gthread_objc_condition_signal, __gthread_key_delete): Add
3844 "__attribute__ ((__unused__))" to unused arguments.
3845 (__gthread_recursive_mutex_init_function): Add missing return.
3846 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
3847 gthr-posix95.h: Use macro-based approach for name redirection
3848 on targets missing weakref.
3850 2006-01-26 Zack Weinberg <zackw@panix.com>
3852 * genconditions.c (write_header): In generated code, #ifdef out
3853 all includes and fake declarations, except includes of bconfig.h
3854 and system.h, unless GCC_VERSION >= 3001. Do not include
3855 gensupport.h in any case.
3856 (write_conditions): Generate a definition of struct c_test. Add
3857 a comment to the generated #endif.
3858 (write_one_condition): Escape backslashes in string too.
3859 (write_writer): Generated code must escape backslashes and quote
3860 marks (but not newlines) in the strings it writes.
3861 * Makefile.in (build/gencondmd.o): Update dependencies.
3863 2006-01-26 Steve Ellcey <sje@cup.hp.com>
3865 PR target/25961
3866 * Makefile.in (insn-automata.o): Add header file dependencies.
3867 * genautomata.c: Add includes.
3869 2006-01-26 Steve Ellcey <sje@cup.hp.com>
3871 PR target/25961
3872 * Makefile.in (insn-automata.o): Add -Wno-error flag.
3874 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
3876 * configure.ac: Expect target tools paths to be passed from the toplevel
3877 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
3878 AS_SET_VAR_IF.
3879 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
3881 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
3883 PR c/25892
3884 * c.opt (Wpointer-sign): Init to -1.
3885 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
3886 OPT_pedantic, to 0 otherwise.
3887 * doc/invoke.texi: Update.
3889 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
3891 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
3892 constants provided by 80387 instructions in the destination mode.
3894 2006-01-26 Richard Guenther <rguenther@suse.de>
3895 Andrew Pinski <pinskia@physics.uc.edu>
3897 PR tree-opt/21470
3898 partial PR tree-opt/17064
3899 * tree-ssa-structalias.c (intra_create_variable_infos):
3900 Create heap variables for incoming parameters if
3901 flag_argument_noalias > 1.
3902 (find_what_p_points_to): Look through default defs of
3903 parameter decls.
3905 2006-01-26 Jeff Law <law@redhat.com>
3907 PR ada/25900
3908 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
3909 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
3910 within the VR_RANGE, use the VR_RANGE as the result, not the
3911 VR_ANTI_RANGE.
3912 (adjust_range_with_scev): Reject ranges from SCEV which are out of
3913 bounds for the type.
3915 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
3917 * tree-ssa-alias.c (maybe_create_global_var): Change
3918 subvar walking to an assertion that we don't have subvar'd variables.
3920 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
3922 PR C/25861
3923 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
3924 Use a new variable, inner. PARM_DECLs are always non-weak.
3926 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
3928 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
3929 --disable-checking.
3931 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
3933 * config/mips/mips.md (*clear_upper32): New combiner pattern.
3935 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
3937 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
3938 (smax_insn, smin_insn, smax_0, smin_0): New.
3940 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
3942 PR target/25947
3943 * config/cris/cris.c (cris_order_for_addsi3): New function.
3944 * config/cris/cris-protos.h: Prototype it.
3945 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
3946 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
3947 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
3948 (split for "op.S1 [rx=rx+i],ry (swapped)")
3949 (split for "op(s|u).S1 [rx=rx+i],ry")
3950 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
3951 Apply cris_order_for_addsi3 when generating addsi3 insns.
3953 2006-01-25 Diego Novillo <dnovillo@redhat.com>
3955 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
3956 (TREE_BLOCK): Add call to EXPR_CHECK.
3958 2006-01-25 Diego Novillo <dnovillo@redhat.com>
3960 PR 25886
3961 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
3962 * tree-pretty-print.c (dump_omp_clause): Extract from ...
3963 (dump_omp_clauses): ... here.
3964 (dump_generic_node): Handle OMP_CLAUSE.
3965 * tree.c (omp_clause_num_ops): New.
3966 (omp_clause_code_name): New.
3967 (tree_code_size): Handle OMP_CLAUSE.
3968 (tree_size): Likewise.
3969 (make_node): Document handling of OMP_CLAUSE.
3970 (tree_node_structure): Handle OMP_CLAUSE.
3971 (omp_clause_check_failed): New.
3972 (omp_clause_range_check_failed): New.
3973 (omp_clause_operand_check_failed): New.
3974 (build_omp_clause): New.
3975 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
3976 * tree.h (enum omp_clause_code): Declare.
3977 (OMP_CLAUSE_SUBCODE_CHECK): Define.
3978 (OMP_CLAUSE_RANGE_CHECK): Define.
3979 (OMP_CLAUSE_ELT_CHECK): Define.
3980 (omp_clause_check_failed): Declare.
3981 (omp_clause_operand_check_failed): Declare.
3982 (omp_clause_range_check_failed): Declare.
3983 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
3984 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
3985 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
3986 (OMP_CLAUSE_LASTPRIVATE): Likewise.
3987 (OMP_CLAUSE_IF_EXPR): Likewise.
3988 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
3989 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
3990 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
3991 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
3992 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
3993 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
3994 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
3995 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
3996 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
3997 (OMP_CLAUSE_CODE): Define.
3998 (OMP_CLAUSE_SET_CODE): Define.
3999 (OMP_CLAUSE_CODE): Define.
4000 (OMP_CLAUSE_OPERAND): Define.
4001 (struct tree_omp_clause): Declare.
4002 (union tree_node): Add field 'omp_clause'.
4003 * treestruct.def (TS_OMP_CLAUSE): Define.
4004 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
4005 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
4006 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
4007 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
4008 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
4009 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
4010 (OMP_CLAUSE): Define.
4011 * print-tree.c (print_node): Handle OMP_CLAUSE.
4012 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
4013 * c-typeck.c: Likewise.
4014 * gimplify.c: Likewise.
4015 * c-omp.c: Likewise.
4016 * tree-nested.c: Likewise.
4017 * tree-inline.c: Likewise.
4018 * c-parser.c: Likewise.
4019 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
4020 clauses.
4022 2006-01-25 Roger Sayle <roger@eyesopen.com>
4024 PR rtl-optimization/25703
4025 * combine.c (try_combine): Handle zero_extract and strict_low_part
4026 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
4028 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
4030 * global.c: Fix comment typos.
4032 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
4034 PR target/25758
4035 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
4036 Use output_addr_const instead of assemble_name.
4038 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
4040 * Makefile.in (sched-vis.o): Update dependencies.
4041 * haifa-sched.c (sched_finish): Clear current_sched_info.
4042 * cfg.c (dump_bb_info): New, split from dump_flow_info.
4043 (dump_flow_info): Call it.
4044 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
4045 a slim RTL dump.
4046 * basic-block.h (dump_bb_info): Declare.
4047 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
4048 option, and apply options only for dump files whose TDF_RTL,
4049 TDF_TREE, or TDF_IPA bits match.
4050 * rtl.h: Declare new functions exported from sched-vis.c.
4051 * sched-vis.c: Enable also if scheduling is not used.
4052 (print_value): Print the mode of registers if not inside scheduling.
4053 (print_insn): Make it work outside the scheduler. Beautify the output
4054 a bit.
4055 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
4057 2006-01-25 Richard Sandiford <richard@codesourcery.com>
4059 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
4060 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
4061 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
4062 depending on the value of CONSTANT_POOL_ADDRESS_P.
4063 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
4064 SYMBOL_REF_DECL.
4065 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
4066 rather than SYMBOL_REF_DECL.
4067 (rtx_constant_pool): Remove const_rtx_sym_htab.
4068 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
4069 (init_varasm_status): Don't initialize const_rtx_sym_htab.
4070 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
4071 Remove handling of const_rtx_sym_htab.
4072 (find_pool_constant): Delete.
4073 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
4074 rather than find_pool_constant.
4075 (get_pool_constant_for_function): Delete.
4076 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
4077 find_pool_constant.
4078 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
4079 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
4080 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
4081 (SYMBOL_REF_CONSTANT): New macro.
4082 (get_pool_constant_for_function): Delete.
4083 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
4084 rather than SYMBOL_REF_DECL.
4085 (i386_pe_mark_dllimport): Likewise.
4086 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
4087 rather than SYMBOL_REF_DECL.
4088 * config/darwin.c (machopic_indirect_data_reference): Likewise.
4089 (machopic_indirect_call_target): Likewise.
4091 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
4093 * flow.c (delete_noop_moves): Add missing EOL to dump message.
4095 2006-01-25 Richard Sandiford <richard@codesourcery.com>
4097 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
4099 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
4101 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
4103 2006-01-24 David Daney <ddaney@avtrex.com>
4105 PR java/25816
4106 * configure.ac (enable_tls): New enable option.
4107 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
4108 * configure: Regenerate.
4109 * doc/install.texi (--enable-tls): Document new option.
4110 (--disable-tls): Ditto.
4112 2006-01-24 Richard Henderson <rth@redehat.com>
4114 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
4115 * alias.c (true_dependence): Respect it.
4116 (canon_true_dependence, write_dependence_p): Likewise.
4117 * builtins.c (get_builtin_sync_mem): Set it.
4119 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
4121 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
4122 efficient way.
4124 2006-01-24 DJ Delorie <dj@redhat.com>
4126 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
4127 for storing constants in single-bit bitfields.
4129 2006-01-25 Ben Elliston <bje@au.ibm.com>
4131 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
4133 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
4135 PR tree-opt/25860
4136 * tree-ssa-pre.c (phi_translate): Return NULL
4137 for AGGREGATE_TYPE's.
4139 2006-01-24 Zack Weinberg <zackw@panix.com>
4141 * genautomata.c (process_state_for_insn_equiv_partition):
4142 Use xcalloc for insn_arcs_array.
4143 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
4144 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
4146 2006-01-24 Richard Henderson <rth@redhat.com>
4148 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
4149 update all callers.
4151 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
4153 PR rtl-optimization/25890
4154 PR rtl-optimization/25905
4155 * combine.c (expand_compound_operation, expand_field_assignment):
4156 Fail if the bitfield's final position is out of bounds.
4158 2006-01-24 Ian Lance Taylor <ian@airs.com>
4160 PR middle-end/25930
4161 * cgraphunit.c (cgraph_output_in_order): Don't clear
4162 cgraph_asm_nodes until after asm strings have been output.
4164 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
4166 * fix-header.c (read_scan_file): Add new parameter imultilib when
4167 calling register_include_chains.
4169 2006-01-23 Diego Novillo <dnovillo@redhat.com>
4171 * omp-low.c: Update documentation.
4173 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
4174 Daniel Berlin <dberlin@dberlin.org>
4176 PR tree-opt/25315
4177 PR tree-opt/25857
4178 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
4179 return from the function.
4181 2006-01-22 Zack Weinberg <zackw@panix.com>
4183 * rtl.def (match_code): Add second argument.
4184 * genpreds.c (write_extract_subexp): New function.
4185 (write_match_code): Add path argument. Use write_extract_subexp.
4186 (write_predicate_expr): Pass path to write_match_code.
4187 (mark_mode_tests): MATCH_CODE applied to a subexpression does
4188 not perform a mode test.
4189 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
4190 a subexpression does not constrain the top-level code set.
4191 * read-rtl.c (read_rtx_variadic): New function.
4192 (read_rtx_1): Use it; allow AND and IOR to be variadic.
4193 * doc/md.texi: Document new notation.
4194 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
4195 (cmpsi_operand): ... here, using new notation.
4197 2006-01-22 Zack Weinberg <zackw@panix.com>
4199 * varray.c: Remove GENERATOR_FILE #ifdefs.
4201 2006-01-22 Zack Weinberg <zackw@panix.com>
4203 * genautomata.c (output_reserved_units_table): Emit nothing if
4204 description->query_units_num is zero. Remove extra blank line.
4205 (output_cpu_unit_reservation_p): Short circuit
4206 if description->query_units_num is zero.
4208 2006-01-22 Zack Weinberg <zackw@panix.com>
4210 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
4211 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
4212 nor any of the random handful of variables that used to be necessary
4213 when this program was linked with rtlanal.o. Prune set of forward
4214 function declarations.
4215 (struct attr_desc): Remove static_p field.
4216 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
4217 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
4218 (attr_string): Do not read the character one past the length of
4219 the string.
4220 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
4221 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
4222 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
4223 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
4224 (make_automaton_attrs): New.
4225 (main): Do not call into genautomata. Call local gen_bypass
4226 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
4227 Remove special case for insn_alts.
4228 * genautomata.c: Include gensupport.h; not genattrtab.h nor
4229 varray.h (leftover from previous change). Prune set of forward
4230 function declarations. Remove state_alts fields from all
4231 structures. Remove state_alts_table from struct automaton.
4232 Make everything except main static. Do not maintain num_dfa_decls.
4233 Do not maintain state_alts fields of various structures.
4234 (process_decls): Don't validate condexp for dm_insn_reserv decls.
4235 (add_arc): Remove state_alts argument. All callers updated.
4236 (output_reserved_units_table): Emit #ifdef here...
4237 (output_tables): ...not here. Don't generate state_alts tables.
4238 (expand_automata): Don't generate attributes.
4239 (write_automata): Don't generate state_alts functions.
4240 (main): New function.
4241 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
4242 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
4243 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
4244 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
4245 (BYPASS_P_FUNC_NAME, output_state_alts_table)
4246 (output_automata_list_state_alts_code, output_internal_state_alts_func)
4247 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
4248 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
4249 Delete.
4250 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
4251 * genattrtab.h: Delete file.
4252 * Makefile.in (OBJS-common): Add insn-automata.o.
4253 (insn-automata.o): New rule.
4254 (simple_generated_c): Add insn-automata.c.
4255 (build/genattrtab.o, build/genautomata.o): Update dependencies.
4256 (genprogmd): Add automata.
4257 (build/genattrtab): Needs no extra objects nor libraries.
4258 (build/genautomata): Needs build/vec.o and -lm.
4260 2006-01-22 Zack Weinberg <zackw@panix.com>
4262 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
4263 (output_dfa_max_issue_rate, locked_states_num): Delete.
4264 (struct automaton): Add locked_states field.
4265 (output_dead_lock_vect): Save number of locked states in
4266 automaton->locked_states. If it is zero, don't print anything.
4267 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
4268 (output_internal_dead_lock_func): Only test the dead_lock_vect
4269 for automata that have locked states.
4270 (output_statistics): Always print the number of locked states for
4271 each automaton. Calculate total number of locked states here.
4272 (write_automata): Don't call output_dfa_max_issue_rate.
4273 * genattrtab.c: Define length_unit_log as a const variable.
4274 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
4275 max_insn_queue_index const.
4276 * final.c (length_unit_log): Declare const.
4277 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
4279 2006-01-22 Zack Weinberg <zackw@panix.com>
4281 * genautomata.c: Include vec.h, not varray.h.
4282 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
4283 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
4284 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
4285 VEC_* macros operating on appropriately typed vectors, or to
4286 malloced arrays when the size is known in advance. Const-ify
4287 many char* variables and function arguments. No functional changes.
4288 * Makefile.in (build/varray.o): Delete rule.
4289 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
4290 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
4292 2006-01-22 Zack Weinberg <zackw@panix.com>
4294 * gensupport.c: Define get_insn_name and record_insn_name here.
4295 (read_md_rtx): Call record_insn_name as appropriate.
4296 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
4297 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
4298 * genpreds.c, genrecog.c: Don't define get_insn_name nor
4299 record_insn_name.
4300 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
4301 (BUILD_VARRAY): Delete.
4302 (genprognormal): Rename genprogmd. Fold in all programs from
4303 genprognoprint; also attrtab.
4304 (build/genattrtab): Just mention genautomata.o and varray.o.
4305 Reorganize a bit, add comments to make the categories clearer.
4307 2006-01-22 Zack Weinberg <zackw@panix.com>
4309 * genconditions.c (condition_table, add_condition): Delete.
4310 (write_conditions): Don't emit n_insn_conditions nor
4311 insn_elision_unavailable. Issue the gcc version #ifdef here,
4312 inside the table, with no #else clause ...
4313 (write_header): ...not here.
4314 (write_writer): New function.
4315 (main): Don't initialize condition_table. Use add_c_test.
4316 Call write_writer.
4317 * gensupport.c (init_md_reader_args_cb): Handle multiple input
4318 files on the command line.
4319 (maybe_eval_c_test): Don't check insn_elision_unavailable.
4320 Return -1 if there is no entry in the table, don't abort.
4321 (add_c_test, traverse_c_tests): New functions.
4322 * gensupport.h (insn_elision_unavailable, insn_conditions)
4323 (n_insn_conditions): Delete declarations.
4324 (add_c_test, traverse_c_tests): Declare.
4325 * read-rtl.c: Include gensupport.h.
4326 (read_conditions): New function.
4327 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
4328 (read_rtx_1): If we get EOF when we were looking for an initial
4329 open paren, return 0. Call read_conditions when appropriate.
4330 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
4331 dummy-conditions.o. Eliminate references to insn-conditions.o,
4332 or change them to build/gencondmd.o, as appropriate. Remove
4333 insn-constants.h from $(simple_generated_h) and insn-conditions.c
4334 from $(simple_generated_c). For all files remaining in those
4335 two lists, add insn-conditions.md to the generator command line.
4336 Give insn-constants.h/s-constants their own rules. Add rules
4337 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
4338 (build/read-rtl.o): Depend on gensupport.h.
4339 (genprognormal): Include preds.
4340 (genprogearly): Rename genprognoprint; only difference is now that
4341 they don't link with $(BUILD_PRINT).
4342 * dummy-conditions.c: Delete.
4344 2006-01-22 Zack Weinberg <zackw@panix.com>
4346 * genextract.c: Don't include insn-config.h. Do include vec.h.
4347 Declare vectors of int, char, and locstr.
4348 (locstr): New typedef.
4349 (struct extraction): Make all array fields into bare pointers.
4350 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
4351 (insn_code_number): Delete.
4352 (accum_extract): New struct.
4353 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
4354 (gen_insn): Take insn_code_number as an argument. Use an
4355 accum_extract structure instead of loading data directly into
4356 a struct extraction, and having to know how big it might get.
4357 (walk_rtx): Operate entirely on an accum_extract structure.
4358 (print_path): Avoid unnecessary use of printf.
4359 (print_header): New function, split out of main. Distinguish
4360 more carefully between an unrecognizable insn and an insn that
4361 has the code number of a define_expand.
4362 (main): Pass insn_code_number to gen_insn. Call print_header
4363 only after parsing. Avoid unnecessary use of printf.
4364 * Makefile.in (build/vec.o): New rule.
4365 (build/genextract): Depend on build/vec.o.
4366 (build/genextract.o): Don't depend on insn-config.h.
4368 2006-01-22 Zack Weinberg <zackw@panix.com>
4370 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
4371 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
4372 practical. Eliminate per-generator-program link rules.
4374 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
4376 PR middle-end/24437
4377 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
4378 with a call expr to ...
4379 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
4381 2006-01-23 Richard Guenther <rguenther@suse.de>
4383 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
4384 before make_edge with conditional EDGE_TRUE_VALUE.
4386 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
4387 Jan Hubicka <jh@suse.cz>
4388 Richard Guenther <rguenther@suse.de>
4390 PR rtl-optimization/25654
4391 * cfgexpand.c (aggregate_contains_union_type): New function.
4392 (add_alias_set_conflicts): Call it. Make sure to add conflicts
4393 for structure variables that contain a union type.
4395 2006-01-23 Richard Sandiford <richard@codesourcery.com>
4397 * gengtype.c (new_structure): Return the structure.
4398 (create_option): Add an extra "next" argument.
4399 (create_field): New function.
4400 (adjust_field_rtx_def): Use create_option and create_field.
4401 Remove a now-unnecessary call to find_structure.
4402 (adjust_field_tree_def): Likewise.
4403 (note_yacc_type): Remove an unnecessary call to find_structure.
4404 * gengtype.h (new_structure): Return the structure.
4405 (create_option): Add an extra argument.
4406 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
4407 (option): Adjust calls to create_option.
4409 2006-01-22 David Edelsohn <edelsohn@gnu.org>
4411 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
4413 2006-01-22 Paul Brook <paul@codesourcery.com>
4414 Peter Barada <peter@the-baradas.com>
4416 * config/m68k/m68k.md: Add Coldfire FPU support.
4417 Define FP mode macro and associated attributes.
4418 Use it for float mode patterns.
4419 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
4420 (LIBCALL_VALUE): Use m68k_libcall_value.
4421 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
4422 (m68k_function_value): Ditto.
4423 (emit_move_sequence): Ditto.
4424 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
4425 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
4426 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
4427 (MULTILIB_EXCEPTIONS): Ditto.
4428 * config/m68k/m68k.opt: Add mcfv4e.
4429 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
4430 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
4431 (m68k_output_function_prologue): Save ColdFire FPU registers.
4432 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
4433 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
4434 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
4435 ColdFire FPU registers.
4436 (m68k_libcall_value, m68k_function_value): New functions.
4437 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
4438 (LIBCALL_VALUE): Use m68k_libcall_value.
4439 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
4440 (MASK_COLDFIRE): Add MASK_CFV4E.
4441 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
4442 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
4443 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
4444 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
4445 (GO_IF_LEGITIMATE_ADDRESS): Use it.
4446 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
4447 * doc/invoke.tex: Document -mcfv4e on m68k.
4449 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
4451 * doc/contribute.texi: Change CVS to SVN and update the corresponding
4452 URL.
4454 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
4456 PR c++/16190
4457 * c-opts.c (c_common_handle_option): Don't include
4458 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
4459 * doc/invoke.texi (C++ Dialect Options): Document that
4460 -Wnon-virtual-dtor is no longer included in -Wall.
4462 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
4464 * gcov.c (print_version), gcov-dump.c (print_version),
4465 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
4466 dates.
4468 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
4470 * df-scan.c (problem_SCAN): Added NULL reset function.
4471 (df_scan_reset_blocks): Added code to call reset block function
4472 (df_bb_refs_delete) Fixed comment.
4473 (df_insn_refs_delete): Made tolerant of deleting non existent info
4474 for dataflow problems that need to be reset.
4475 * df-core.c (df_set_blocks): Ditto.
4476 * df.h (struct df_problem): Added reset_fun.
4477 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
4478 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
4479 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
4480 functions to clear out all references to def-use or use-def chains.
4482 2006-01-21 Ben Elliston <bje@au.ibm.com>
4484 * varasm.c (assemble_real): Initialise data array.
4486 2006-01-20 Paul Brook <paul@codesourcery.com>
4488 Merge from csl-arm-branch.
4489 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
4490 * config/arm/arm.md (movdi): Force operands[1] to a register
4491 if we have a non-register source.
4492 (*arm_movdi, *movdf_soft_insn): Require that one of the
4493 operands be a register.
4494 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
4495 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
4497 2006-01-20 DJ Delorie <dj@redhat.com>
4499 * varasm.c (initialize_constant_valid_p): Allow pointers
4500 initialized from integer constants of lesser precision.
4501 (output_constant): Allow non-int-sized pointer modes to be
4502 initialized from integer constants.
4504 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
4506 PR libstdc++/25524
4507 * cppdefault.h (struct default_include): Add multilib flag.
4508 * cppdefault.c (cpp_include_defaults): Set it.
4509 * c.opt (-imultilib): New option.
4510 * c-opts.c (imultilib): New.
4511 (c_common_handle_option): Handle -imultilib.
4512 (c_common_post_options): Likewise.
4513 * c-incpath.c (add_standard_paths, register_include_chains):
4514 Likewise.
4515 * c-incpath.h (register_include_chains): Add extra parameter.
4516 * gcc.c (do_spec_1): Generate -imultilib option.
4517 (The Specs Language): Update %I description.
4518 (process_command): Update copyright notice.
4519 * doc/cppopts.texi (-imultilib): Document.
4520 * doc/invoke.texi (-imultilib): Include in option summary.
4521 (%I): Update specs documentation.
4523 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
4525 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
4527 2006-01-20 Richard Sandiford <richard@codesourcery.com>
4529 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
4530 label numbers.
4532 2006-01-20 Richard Guenther <rguenther@suse.de>
4533 Steven Bosscher <stevenb.gcc@gmail.com>
4535 PR rtl-optimization/24626
4536 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
4537 EDGE_TRUE_VALUE if in RTL mode.
4539 Revert
4540 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
4541 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
4543 2006-01-20 Dirk Mueller <dmueller@suse.com>
4545 PR c++/5520
4546 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
4547 instead of a special NOP marker.
4548 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
4549 NOP marker handling.
4550 * c-common.h (empty_body_warning): Add forward declaration.
4551 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
4552 Now uses IS_EMPTY_STMT() instead of special NOP markers.
4554 2006-01-20 Paul Brook <paul@codesourcery.com>
4556 * Makefile.in (lang_checks): Keep going if mkdir fails.
4558 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
4560 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
4561 be able to clean out basic block when not necessary.
4562 (df_scan_free): Fixed to properly delete information if df is
4563 unused before calling df_finish.
4564 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
4565 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
4566 or comment typos.
4567 (df_bb_refs_delete): New function.
4568 (df_refs_delete): Moved per block code to df_bb_refs_delete.
4569 * df-core.c (df_set_blocks): Added code to properly clean out
4570 unused blocks if they are not part of the blocks to consider.
4571 Added additional null check.
4572 (df_compact_blocks): Added basic block parameter to free_bb_fun to
4573 be able to clean out basic block when not necessary
4574 * df.h (df_free_bb_function): Ditto.
4575 (df_bb_refs_delete): New function.
4576 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
4577 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
4578 basic block parameter to be able to clean out basic block when not
4579 necessary.
4580 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
4581 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
4582 Fixed to properly delete information if df is unused before
4583 calling df_finish.
4585 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
4587 PR rtl-optimization/25799
4588 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
4589 Corrected confluence operator to remove bits from op2 before oring
4590 with op1 rather than removing bits from op1.
4591 (df_ru_transfer_function): Corrected test on wrong bitmap which
4592 caused infinite loop. Both of these problems were introduced in
4593 the dataflow rewrite.
4595 2006-01-19 DJ Delorie <dj@redhat.com>
4597 * reload1.c (find_reload_regs): Note the details of reload
4598 failures in the dump file.
4599 (spill_failure): Likewise.
4601 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
4603 * loop-iv.c: Include df.h and hashtab.h.
4604 (enum iv_grd_result): New enum.
4605 (DF_REF_IV, DF_REF_IV_SET): New macros.
4606 (struct biv_entry): New.
4607 (df, bivs): New global variables.
4608 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
4609 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
4610 Removed.
4611 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
4612 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
4613 analyzed_for_bivness_p, record_biv): New functions.
4614 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
4615 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
4616 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
4617 UD chains.
4618 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
4619 analysed.
4620 (iv_number_of_iterations): Use new interface to iv analysis.
4621 * loop-unroll.c: Do not include varray.h.
4622 (analyze_iv_to_split_insn): Use new interface to iv
4623 analysis.
4624 * loop-unswitch.c (may_unswitch_on): Ditto.
4625 * df.c (df_bitmaps_free): Only work for bbs for that structures are
4626 allocated.
4627 (df_bb_modify): Realloc tables to the new index.
4628 (df_find_use): New function.
4629 * df.h (df_find_use): Declare.
4630 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
4631 outmode.
4632 * cfgloop.h (struct rtx_iv): Remove analysed field.
4633 (iv_get_reaching_def): Removed.
4634 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
4635 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
4636 (loop-iv.o): Add df.h and hashtab.h dependency.
4637 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
4639 2006-01-20 Alan Modra <amodra@bigpond.net.au>
4641 PR target/25668
4642 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
4643 Double TFmode.
4644 (__floatundisf, __floatundidf): Likewise.
4645 * libgcc2.h (IS_IBM_EXTENDED): Define.
4647 2006-01-19 DJ Delorie <dj@redhat.com>
4649 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
4651 2006-01-19 Paul Brook <paul@codesourcery.com>
4653 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
4654 as nothrow when unwinding tables are disabled.
4656 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4658 PR testsuite/25171
4659 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
4660 of bit-field" when in system header.
4662 2006-01-19 DJ Delorie <dj@redhat.com>
4664 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
4665 the 16 bit shift limit of the m16c.
4667 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
4669 PR target/22099
4670 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
4671 * config/i386/i386.c (output_set_got): Output the label if we have one
4672 for the TARGET_DEEP_BRANCH_PREDICTION case.
4674 2006-01-19 Jan Hubicka <jh@suse.cz>
4675 H.J. Lu <hongjiu.lu@intel.com>
4676 Evandro Menezes <evandro.menezes@amd.com>
4678 * invoke.texi (generic): Document
4679 (i686) Update.
4680 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
4681 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
4682 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
4683 (x86_use_incdec, x86_pad_returns): New variables
4684 (TARGET_CPU_DEFAULT_generic): New constant
4685 (TARGET_CPU_DEFAULT_NAMES): Add generic.
4686 (enum processor_type): Add generic32 and generic64.
4687 * i386.md (cpu attribute): Add generic32/generic64
4688 (movhi splitter): Behave sanely when both partial_reg_dependency and
4689 partial_reg_stall are set.
4690 (K8 splitters): Enable for generic as well.
4691 * predicates.md (incdec_operand): Use TARGET_INCDEC
4692 (aligned_operand): Avoid memory mismatch stalls.
4693 * athlon.md: Enable for generic64, new patterns for 128bit moves.
4694 * ppro.md: Enable for generic32
4695 * i386.c (generic64_cost, generic32_cost): New.
4696 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
4697 (x86_use_leave): Enable for generic64. (x86_use_sahf,
4698 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
4699 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
4700 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
4701 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
4702 x86_partial_reg_dependency, x86_memory_mismatch_stall,
4703 x86_accumulate_outgoing_args, x86_prologue_using_move,
4704 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
4705 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
4706 Enable for generic.
4707 (x86_use_incdec, x86_pad_returns): New.
4708 (override_options): Add generic32 and generic64, translate "generic"
4709 to generic32/generic64 and "i686" to "generic32", refuse
4710 "generic32"/"generic64" as arch target.
4711 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
4712 (ix86_reorg): Honor PAD_RETURNS.
4714 2006-01-19 Diego Novillo <dnovillo@redhat.com>
4716 * tree-pretty-print.c (dump_generic_node): Handle
4717 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
4718 * cgraph.c (cgraph_expand_queue): Rename from
4719 cgraph_analyze_queue. Update all users.
4720 * cgraphunit.c (cgraph_assemble_pending_functions): Process
4721 cgraph_expand_queue.
4722 (cgraph_expand_all_functions): Likewise.
4723 (cgraph_finalize_pending_functions): Remove. Update callers.
4725 * tree.h (OMP_DIRECTIVE_P): Define.
4726 (OMP_PARALLEL_FN): Define.
4727 (OMP_PARALLEL_DATA_ARG): Define.
4728 (OMP_SECTIONS_SECTIONS): Define.
4729 * tree-pass.h (pass_expand_omp): Declare.
4730 * omp-low.c (struct omp_region): Declare.
4731 (struct omp_context): Remove fields 'parallel_type',
4732 'parallel_start_ix' and 'parallel_start_additional_args'.
4733 Update all users.
4734 (struct omp_for_data): Rename from struct expand_omp_for_data.
4735 (omp_regions): New static variable.
4736 (root_omp_region): New static variable.
4737 (find_omp_clause): Make static.
4738 (is_in_combined_parallel_ctx): Remove.
4739 (is_combined_parallel): New.
4740 (extract_omp_for_data): Move earlier in the file.
4741 (workshare_safe_to_combine_p): New.
4742 (get_ws_args_for): New.
4743 (determine_parallel_type): Move earlier in the file.
4744 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
4745 child function.
4746 (omp_copy_decl): Likewise.
4747 (create_omp_child_function): Likewise.
4748 (lookup_omp_region): New.
4749 (dump_omp_region): New.
4750 (debug_omp_region): New.
4751 (debug_all_omp_regions): New.
4752 (new_omp_region): New.
4753 (scan_omp_parallel): If parallel_nesting_level > 1, the
4754 directive is nested within another parallel directive.
4755 Set OMP_PARALLEL_FN.
4756 (scan_omp_for): Do not try to handle combined parallel+for
4757 cases.
4758 Remove FIXME comment.
4759 (scan_omp_nested): Remove.
4760 (scan_omp_1): Do not call scan_omp_nested when
4761 parallel_nesting_level is > 1.
4762 Do not change the DECL_CONTEXT of local variables found.
4763 (lookup_decl_in_outer_ctx): New.
4764 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
4765 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
4766 (lower_reduction_clauses): Rename from expand_reduction_clauses.
4767 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
4768 If CTX is nested, lookup VAR in the outer context when
4769 building copy assignment.
4770 (lower_send_clauses): Rename from expand_send_clauses.
4771 If CTX is nested, lookup VAR in the outer context when
4772 building copy assignments.
4773 (lower_send_shared_vars): Rename from expand_send_shared_vars.
4774 If CTX is nested, lookup VAR in the outer context when
4775 building copy assignments.
4776 (expand_parallel_call): Rename from build_parallel_call.
4777 Handle combined parallel+workshare cases.
4778 Re-implement to emit code into the CFG.
4779 (list2chain): New.
4780 (expand_omp_parallel): Re-implement to emit code into the CFG.
4781 Call move_sese_region_to_fn to outline the sub-graph
4782 containing the parallel region.
4783 (expand_omp_for_1): Remove.
4784 (expand_omp_for_generic): Re-implement to emit code into the
4785 CFG.
4786 (expand_omp_for_static_nochunk): Likewise.
4787 (expand_omp_for_static_chunk): Likewise.
4788 (expand_omp_for): Likewise.
4789 (expand_omp_sections): Likewise.
4790 (remove_exit_barriers): New.
4791 (expand_omp_synch): New.
4792 (expand_omp): New.
4793 (build_omp_regions_1): New.
4794 (build_omp_regions): New.
4795 (execute_expand_omp): New.
4796 (gate_expand_omp): New.
4797 (pass_expand_omp): Define.
4798 (lower_omp_sections): Rename from expand_omp_sections.
4799 Set OMP_SECTIONS_SECTIONS.
4800 (lower_omp_single_simple): Rename from expand_omp_single_simple.
4801 (lower_omp_single_copy): Rename from expand_omp_single_copy.
4802 (lower_omp_single): Rename from expand_omp_simple.
4803 (lower_omp_master): Rename from expand_omp_master.
4804 (lower_omp_ordered): Rename from expand_omp_ordered.
4805 (lower_omp_critical): Rename from expand_omp_critical.
4806 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
4807 (lower_omp_for): Re-implement.
4808 (lower_omp_parallel): Re-implement.
4809 (lower_regimplify): Rename from expand_regimplify.
4810 (lower_omp_1): Rename from expand_omp_1.
4811 If there are syntax errors in the program, replace every
4812 OpenMP directive with NOP.
4813 Call lower_omp_* instead of expand_omp_*.
4814 (lower_omp): Rename from expand_omp.
4816 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
4817 * tree-gimple.h (enum omp_parallel_type): Remove.
4818 (gimple_boolify): Declare extern.
4819 (find_omp_clause, determine_parallel_type): Remove.
4821 * gimple-low.c (lower_omp_directive): New.
4822 (lower_stmt): Call it.
4823 (record_vars_into): Move from ...
4824 (record_vars): ... here.
4825 Call record_vars_into with current_function_decl.
4827 * gimplify.c (struct gimplify_ctx): Remove fields
4828 combined_pre_p and combined_ctxp. Update users.
4829 (get_formal_tmp_var): Add documentation.
4830 (gimple_boolify): Make extern.
4831 (gimplify_expr_in_ctx): Remove. Update callers.
4832 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
4833 will always be a BIND_EXPR.
4834 (gimplify_expr): Handle OMP_RETURN_EXPR.
4835 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
4836 (OMP_PARALLEL): Add 3 operands.
4837 (OMP_SECTIONS): Add 1 operand.
4838 (OMP_RETURN_EXPR): Define.
4840 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
4841 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
4842 * tree-iterator.c (alloc_stmt_list): Assert that we are not
4843 creating a circular free list.
4844 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
4846 * tree-flow.h (move_sese_region_to_fn): Declare.
4847 (record_vars_into): Declare.
4848 * tree-cfg.c (make_omp_sections_edges): New.
4849 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
4850 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
4851 OMP_SECTIONS and OMP_SECTION.
4852 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
4853 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
4854 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
4855 (gather_blocks_in_sese_region): New.
4856 (struct move_stmt_d): Declare.
4857 (move_stmt_r): New.
4858 (move_block_to_fn): New.
4859 (move_sese_region_to_fn): New.
4861 * passes.c (init_optimization_passes): Schedule
4862 pass_expand_omp after pass_init_datastructures.
4864 * tree-ssa-operands.c (get_expr_operands): Handle
4865 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
4866 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
4868 2006-01-19 Jeff Law <law@redhat.com>
4870 * tree-vrp.c (extract_range_from_assert): Refine the result range
4871 if the variable referenced by the ASSERT_EXPR has a range and
4872 either the tentative result range or the previous range is a
4873 VR_ANTI_RANGE.
4875 2006-01-19 Richard Sandiford <richard@codesourcery.com>
4877 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
4879 2006-01-19 Jan Hubicka <jh@suse.cz>
4881 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
4883 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
4885 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
4886 (expand_compound_operation, expand_field_assignment): Fail if the
4887 bit lengths of an extract operation are out of range.
4888 (make_extraction): Compute wanted_inner_mode based on the position
4889 and length of the extraction. Make it extraction_mode for non-constant
4890 positions, and do not modify offset in that case. When generating a
4891 new MEM, use a mode that can hold the extraction while keeping correct
4892 alignment. Remove code that supported MEMs wrapped by USEs.
4893 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
4895 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
4897 * config/s390/s390.md ("Y", "y"): New mode attribute.
4898 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
4899 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
4900 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
4901 "*addsi3_imm_cc", "*addsi3_carry1_cc",
4902 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
4903 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
4904 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
4905 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
4906 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
4907 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
4908 "addsi3", "subsi3"): Insn patterns removed.
4909 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
4910 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
4911 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
4912 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
4913 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
4914 "*sub<mode>3_cconly2"): New insn patterns.
4915 ("addsi3", "subsi3"): New expanders.
4917 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
4919 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
4920 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
4921 existing STMT_VINFO_VECTYPE if available.
4922 (vect_mark_relevant): Add special handling for stmts that are
4923 marked as STMT_VINFO_IN_PATTERN_P.
4924 (vect_analyze_loop): Call vect_pattern_recog.
4925 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
4926 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
4927 stmt_info.
4928 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
4929 (vect_recog_func_ptr): New function-pointer type.
4930 * tree-vect-patterns.c: New file.
4931 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
4932 (vect_recog_dot_prod_pattern, vect_pattern_recog):
4933 (vect_pattern_recog_1): New functions.
4934 (vect_pattern_recog_funcs): New array of function pointers.
4936 * tree-vectorizer.h (ternary_op): New enum value.
4937 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
4938 declaration. Revised documentation. Removed redundant dump prints.
4939 Removed redundant argument. Added support for reduction patterns.
4940 (vectorizable_reduction): Added support for reduction patterns.
4941 (vect_transform_stmt): Added support for patterns.
4943 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
4944 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
4945 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
4946 (expand_widen_pattern_expr): New function.
4947 (init_optabs): Initialize new optabs udot_prod_optab,
4948 sdot_prod_optab.
4949 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
4950 (sdot_prod_optab, udot_prod_optab): Define new optabs.
4951 (expand_widen_pattern_expr): New function declaration.
4952 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
4953 tree-codes.
4954 * tree-inline.c (estimate_num_insns_1): Added cases for new
4955 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
4956 * tree-pretty-print.c (dump_generic_node): Likewise.
4957 (op_prio): Likewise.
4958 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
4959 * tree-ssa-operands.c (get_expr_operands): Added case for
4960 DOT_PROD_EXPR.
4961 * tree-vect-patterns.c (widened_name_p): New function.
4962 (vect_recog_dot_prod_pattern): Added function implementation.
4963 * tree-vect-transform.c (get_initial_def_for_reduction): Added
4964 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
4965 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
4966 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
4968 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
4969 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
4970 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
4971 (init_optabs): Initialize new optabs widen_ssum_optab,
4972 widen_usum_optab.
4973 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
4974 (widen_ssum_optab, widen_usum_optab): Define new optabs.
4975 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
4976 use instead of type of def.
4977 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
4978 function implementation.
4979 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
4980 widen_ssumv8hi): New.
4982 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
4983 patterns.
4985 2006-01-19 Richard Sandiford <richard@codesourcery.com>
4987 PR c/25805
4988 * c-decl.c (add_flexible_array_elts_to_size): New function.
4989 (finish_decl): Use it.
4991 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
4993 * diagnostic.h: Include options.h.
4994 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
4995 dependancies for diagnostic.h.
4996 * Makefile.in (DIAGNOSTIC_H): Add options.h.
4998 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
5000 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
5001 (ssa_ro_call_cache_valid): Ditto.
5002 * tree-ssa-alias.c (sort_tags_by_id): New function.
5003 (init_transitive_clobber_worklist): Ditto.
5004 (add_to_worklist): Ditto.
5005 (mark_aliases_call_clobbered): Ditto.
5006 (compute_tag_properties): Ditto.
5007 (set_initial_properties): Ditto.
5008 (compute_call_clobbered): Ditto.
5009 (compute_may_aliases): Call compute_call_clobbered and grouping.
5010 (compute_flow_sensitive_aliasing): Remove clobbering related code.
5011 (compute_flow_insensitive_aliasing): Grouping now happens in our
5012 caller.
5013 (setup_pointers_and_addressables): Remove clobbering related code.
5014 (add_may_alias): Ditto.
5015 (replace_may_alias): Ditto.
5016 (get_nmt_for): Ditto.
5017 (create_global_var):
5018 (is_escape_site): Return an escape_type enumeration.
5019 * tree-flow-inline.h (is_call_clobbered): Global var does not
5020 imply call clobbered.
5021 (mark_call_clobbered): Take a reason for marking this. Remove
5022 marking of globalness, and cache invalidation.
5023 (clear_call_clobbered): Remove cache invalidation code.
5024 * tree-dfa.c (dump_variable): If details is on, dump the reason
5025 for escaping.
5026 * tree-outof-ssa.c (create_temp): Copy escape mask from original
5027 variable.
5028 * tree-flow.h (struct ptr_info_def): Add escape mask member.
5029 (struct var_ann_d): Ditto.
5030 (enum escape_type): New.
5031 (mark_call_clobbered): Adjust prototype.
5032 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
5033 are never call clobbered.
5034 Record reasons for escaping.
5035 * tree-ssa-structalias.h (is_escape_site): Update prototype.
5036 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
5037 (ssa_ro_call_cache_valid): Ditto.
5038 (clobbered_v_may_defs): Ditto.
5039 (clobbered_vuses): Ditto.
5040 (ro_call_vuses): Ditto.
5041 (clobber_stats): New.
5042 (init_ssa_operands): Zero out clobber stats.
5043 (fini_ssa_operands): Print out clobber stats.
5044 (get_call_expr_operands): Pass callee fndecl to
5045 add_call_read_ops).
5046 (add_call_clobber_ops): Remove use of cache.
5047 Add use of PURE_CONST information.
5048 (add_call_read_ops): Remove use of cache.
5049 Add use of static not_read information.
5051 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
5053 Introduce TLS descriptors for i386 and x86_64.
5054 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
5055 (TARGET_ANY_GNU_TLS): New macro.
5056 (enum tls_dialect): Added TLS_DIALECT_GNU2.
5057 (struct machine_function): Add tls_descriptor_call_expanded_p.
5058 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
5059 (ix86_current_function_calls_tls_descriptor): Likewise.
5060 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
5061 (override_options): Introduce gnu2 tls dialect.
5062 (ix86_frame_pointer_required): Functions containing TLSCALLs are
5063 not leaves.
5064 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
5065 Likewise.
5066 (legitimize_tls_address): Adjust logic for GNU2 TLS.
5067 (ix86_init_machine_status): Initialize new field.
5068 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
5069 (ix86_tls_module_base): New.
5070 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
5071 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
5072 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
5073 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
5074 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
5075 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
5076 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
5077 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
5078 * config/i386/predicates.md (tls_modbase_operand): New.
5079 (tp_or_register_operand): New.
5081 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
5083 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
5084 (look_for_address_of): Ditto.
5085 (ipa_init): Walk the function decls.
5086 (static_execute): Don't set readonly on FUNCTION_DECL's.
5088 2006-01-18 Roger Sayle <roger@eyesopen.com>
5090 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
5091 for shifts where the source and destination registers are different.
5093 2006-01-18 Paul Brook <paul@codesourcery.com>
5095 Merge from csl-arm-branch.
5096 2005-03-14 Julian Brown <julian@codesourcery.com>
5097 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
5098 (aeabi_llsl): Likewise.
5099 (ashrdi3): Likewise.
5100 (aeabi_lasr): Likewise.
5101 (lshrdi3): Likewise.
5102 (aeabi_llsr): Likewise.
5103 2005-03-10 Julian Brown <julian@codesourcery.com>
5104 * config.gcc: Disable shared libgcc for SymbianOS.
5105 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
5107 2006-01-18 DJ Delorie <dj@redhat.com>
5109 * c-pragma.c (handle_pragma_diagnostic): New.
5110 (init_pragma): Register it.
5111 * doc/extend.texi: Document it.
5113 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
5114 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
5115 (diagnostic_context): Add classify_diagnostic[].
5116 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
5117 as errors if they're overridden to DK_WARNING.
5118 (diagnostic_initialize): Initialize classify_diagnostic[].
5119 (diagnostic_set_kind_override): New.
5120 (diagnostic_report_diagnostic): Check for kind changes.
5121 * opts.c (common_handle_option): Take lang_mask. Update callers.
5122 Handle OPT_Werror_.
5123 * common.opt (Werror=): New.
5124 * doc/invoke.texi: Document -Werror=*
5126 2006-01-18 Jeff Law <law@redhat.com>
5128 * tree-vrp.c (test_for_singularity): Correct test for new
5129 min limit. Use operand_equal_p rather than pointer equality
5130 for testing if new min/max values are equal.
5132 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
5133 using range information until after propagation and folding.
5135 2006-01-18 Richard Henderson <rth@redhat.com>
5136 Aldy Hernandez <aldyh@redhat.com>
5137 Jakub Jelinek <jakub@redhat.com>
5138 Diego Novillo <dnovillo@redhat.com>
5140 * omp-low.c: New file.
5141 * c-omp.c: New file.
5143 2006-01-18 Richard Henderson <rth@redhat.com>
5144 Jakub Jelinek <jakub@redhat.com>
5145 Diego Novillo <dnovillo@redhat.com>
5147 * doc/invoke.texi: Document -fopenmp.
5148 * tree-dump.h (debug_function): Declare.
5149 * hooks.c (hook_bool_tree_bool_false): New function.
5150 (hook_tree_tree_null): Remove.
5151 (hook_tree_tree_tree_null): New.
5152 * hooks.h: Update to match.
5153 * tree-pretty-print.c (debug_tree_chain): New.
5154 (print_generic_expr): Handle TDF_CHAIN.
5155 (dump_generic_node): Handle BLOCK.
5156 Do not abort with incomplete SWITCH_EXPRs.
5157 Do not dump body of an OpenMP directive if TDF_SLIM is given.
5158 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
5159 print space after directive name.
5160 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
5161 Handle OMP_MASTER and OMP_ORDERED.
5162 Handle printing of OMP_BODY just in one place, goto
5163 dump_omp_body in the rest of OMP_* nodes that have
5164 OMP_BODY.
5165 Don't handle clause nodes here. Update omp statements to
5166 use dump_omp_clauses.
5167 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
5168 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
5169 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
5170 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
5171 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
5172 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
5173 Adjust output for GOMP_PARALLEL.
5174 (dump_omp_clauses): New.
5175 (print_declaration): Dump DECL_VALUE_EXPR.
5176 (op_symbol_1): Split out of op_symbol.
5177 (dumping_stmts): Remove. Update all users.
5178 * cgraph.c (cgraph_analyze_queue): New.
5179 (cgraph_add_new_function): New.
5180 * cgraph.h (cgraph_analyze_queue): Declare.
5181 (cgraph_add_new_function): Declare.
5182 (cgraph_lower_function): Remove.
5183 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
5184 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
5185 and TYPE_P nodes in its default clause.
5186 (empty_body_p): New.
5187 (tree_range_check_failed): New.
5188 (build5_stat): New.
5189 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
5190 OMP_CLAUSE_REDUCTION_MERGE,
5191 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
5192 OMP_CLAUSE_PRIVATE_DEBUG,
5193 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
5194 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
5195 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
5196 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
5197 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
5198 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
5199 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
5200 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
5201 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
5202 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
5203 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
5204 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
5205 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
5206 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
5207 (TREE_RANGE_CHECK): New.
5208 (empty_body_p): Declare.
5209 (enum omp_clause_default_kind): New.
5210 (build_string_literal): Declare.
5211 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
5212 (build5_stat, build5): Declare.
5213 * tree-pass.h (TDF_CHAIN): Define.
5214 * tree-pass.h (PROP_gimple_lomp): Define.
5215 (pass_lower_omp): Declare.
5216 * diagnostic.h (debug_tree_chain): Declare.
5217 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
5218 mode_for_size.
5219 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
5220 * builtins.c (build_string_literal): Make extern.
5221 * gcc.c (include_spec_function): New.
5222 (static_spec_functions): Add it.
5223 (main): Move load of libgomp.spec ...
5224 (LINK_COMMAND_SPEC): ... here.
5225 (link_gomp_spec): New.
5226 (static_specs): Include it.
5227 (LINK_COMMAND_SPEC): Add link_gomp.
5228 (GOMP_SELF_SPECS): New.
5229 (driver_self_specs): Include it.
5230 (switch_matches): Don't mark inline.
5231 (main): Load libgomp.spec.
5232 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
5233 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
5234 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
5235 * tree-gimple.h (enum omp_parallel): Declare.
5236 (determine_parallel_type): Declare.
5237 (omp_firstprivatize_variable): Declare.
5238 (omp_reduction_init): Declare.
5239 (diagnose_omp_structured_block_errors): Declare.
5240 (struct walk_stmt_info): Add want_return_expr.
5241 (struct walk_stmt_info): Add want_bind_expr, want_locations.
5242 (find_omp_clause): Declare.
5243 (insert_field_into_struct): Declare.
5244 (struct walk_stmt_info): Move from tree-nested.c
5245 (walk_stmts): Declare.
5246 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
5247 to 200505.
5248 * cgraphunit.c (cgraph_lower_function): Make static.
5249 (cgraph_finalize_pending_functions): New.
5250 (cgraph_finalize_function): Call it.
5251 (cgraph_finalize_compilation_unit): Likewise.
5252 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
5253 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
5254 (BT_FN_UINT_UINT): New.
5255 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
5256 DEF_FUNCTION_TYPE_VAR_4): Document.
5257 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
5258 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
5259 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
5260 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
5261 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
5262 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
5263 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
5264 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
5265 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
5266 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
5267 into separate files.
5268 (DEF_GOMP_BUILTIN): New.
5269 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
5270 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
5271 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
5272 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
5273 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
5274 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
5275 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
5276 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
5277 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
5278 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
5279 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
5280 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
5281 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
5282 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
5283 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
5284 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
5285 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
5286 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
5287 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
5288 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
5289 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
5290 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
5291 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
5292 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
5293 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
5294 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
5295 * sync-builtins.def: New file, moved from builtins.def.
5296 * omp-builtins.def: New file, moved from builtins.def.
5297 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
5298 * gimple-low.c (lower_function_body): Clear data.
5299 (lower_stmt): Do not handle COMPOUND_EXPR.
5300 Remove call to print_node_brief.
5301 * c-tree.h (c_finish_omp_clauses): New prototype.
5302 (C_DECL_THREADPRIVATE_P): Define.
5303 (lookup_name_no_remap, c_omp_remap_private): Remove
5304 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
5305 (check_for_loop_decls): Update decl.
5306 (lookup_name_no_remap, c_omp_remap_private): Declare.
5307 (build_indirect_ref, build_modify_expr, pushdecl,
5308 pushdecl_top_level): Move to c-common.h.
5309 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
5310 before the switch, but just in the 2 places that need it.
5311 * c-decl.c (diagnose_mismatched_decls): Do not check for
5312 mismatched thread-local attributes when OLDDECL is marked
5313 threadprivate and NEWDECL has no thread-local attributes.
5314 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
5315 (c_gimple_diagnostics_recursively): Rename from
5316 c_warn_unused_result_recursively. Invoke
5317 diagnose_omp_structured_block_errors.
5318 (check_for_loop_decls): Return a singular decl found.
5319 * langhooks.c (lhd_omp_predetermined_sharing): Return
5320 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
5321 (lhd_omp_firstprivatize_type_sizes): New.
5322 (lhd_omp_assignment): New.
5323 (lhd_omp_predetermined_sharing): New.
5324 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
5325 (struct lang_hooks_for_types): Add
5326 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
5327 omp_predetermined_sharing, omp_disregard_value_expr,
5328 omp_private_debug_clause, omp_clause_default_ctor,
5329 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
5330 (c_finish_omp_clauses): New.
5331 (c_finish_bc_stmt): Diagnose break within omp for.
5332 (c_begin_omp_parallel, c_finish_omp_parallel): New.
5333 (build_unary_op): Return error_mark after reporting
5334 a readonly_error.
5335 (build_modify_expr): Likewise.
5336 * gimplify.c: Include optabs.h and pointer-set.h.
5337 (enum gimplify_omp_var_data): Declare.
5338 (struct gimplify_omp_ctx): Declare.
5339 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
5340 and combined_ctxp.
5341 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
5342 (push_gimplify_context, pop_gimplify_context): Allow nesting.
5343 (splay_tree_compare_decl_uid): New.
5344 (new_omp_context): New.
5345 (delete_omp_context): New.
5346 (gimple_add_tmp_var): Call omp_add_variable.
5347 (gimplify_bind_expr): Likewise.
5348 (gimplify_var_or_parm_decl): If omp_notice_variable returned
5349 true, disregard DECL_VALUE_EXPR on the decl if any.
5350 (gimplify_expr_in_ctx): New.
5351 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
5352 omp_add_variable, omp_notice_variable, omp_is_private
5353 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
5354 gimplify_adjust_omp_clauses, gimplify_omp_parallel
5355 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
5356 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
5357 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
5358 gimplify_omp_atomic): New.
5359 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
5360 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
5361 OMP_CRITICAL and OMP_ATOMIC.
5362 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
5363 * c-pragma.h (enum pragma_kind): Add
5364 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
5365 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
5366 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
5367 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
5368 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
5369 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
5370 PRAGMA_OMP_THREADPRIVATE.
5371 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
5372 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
5373 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
5374 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
5375 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
5376 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
5377 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
5378 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
5379 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
5380 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
5381 * tree-ssa-dce.c (find_control_dependence): Do not assume that
5382 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
5383 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
5384 OpenMP directives.
5385 (struct nesting_info): Add field_map,
5386 suppress_expansion, debug_var_chain.
5387 (create_nesting_tree): Initialize them.
5388 (lookup_field_for_decl): Use field_map.
5389 (get_nonlocal_debug_decl, get_local_debug_decl): New.
5390 (convert_local_omp_clauses): New.
5391 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
5392 (walk_body): Split out of walk_function.
5393 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
5394 (convert_nonlocal_reference): Handle omp statements.
5395 (convert_local_reference): Likewise.
5396 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
5397 (unnest_nesting_tree): New.
5398 (lower_nested_functions): Call it.
5399 (insert_field_into_struct): Make extern.
5400 (struct walk_stmt_info): Move to tree-gimple.h.
5401 (walk_stmts): Make extern.
5402 * omp-builtins.def: New file.
5403 * tree-iterator.c (expr_only): Clarify comment.
5404 * c-common.h (pushdecl_top_level, pushdecl,
5405 build_modify_expr, build_indirect_ref,
5406 c_finish_omp_master, c_finish_omp_critical,
5407 c_finish_omp_ordered, c_finish_omp_barrier,
5408 c_finish_omp_atomic, c_finish_omp_flush,
5409 c_finish_omp_for, c_split_parallel_clauses,
5410 omp_clause_default_kind, c_omp_sharing_predetermined,
5411 c_omp_remap_decl): Declare.
5412 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
5413 (OBJS-common): Add omp-low.o.
5414 (c-omp.o, omp-low.o): Add.
5415 (gimplify.o): Add dependency on $(OPTABS_H).
5416 (GTFILES): Add omp-low.c.
5417 (gt-stringpool.h): Add.
5418 * tree-cfg.c (set_bb_for_stmt): Do not update the
5419 block-to-labels map if we are currently expanding to RTL.
5420 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
5421 checks.
5422 Handle IDENTIFIER_NODE.
5423 (tree_verify_flow_info): Do not ICE when emitting error
5424 messages about invalid labels.
5425 (dump_function_to_file): Reset CFUN before emitting the body
5426 of the function.
5427 (debug_function): New.
5428 * passes.c (init_optimization_passes): Schedule
5429 pass_lower_omp.
5430 * langhooks-def.h (lhd_omp_predetermined_sharing,
5431 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
5432 Declare.
5433 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
5434 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
5435 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
5436 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
5437 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
5438 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
5439 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
5440 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
5441 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
5442 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
5443 (LANG_HOOK_DECLS): Use them.
5445 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
5446 Richard Henderson <rth@redhat.com>
5447 Jakub Jelinek <jakub@redhat.com>
5448 Diego Novillo <dnovillo@redhat.com>
5450 * c-parser.c (pragma_omp_clause): Define.
5451 (c_parser_declaration_or_fndef): Document OpenMP syntax.
5452 (c_parser_compound_statement): Likewise.
5453 (c_parser_statement): Likewise.
5454 (c_parser_pragma): Handle omp pragmas.
5455 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
5456 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
5457 (c_parser_omp_clause_name, check_no_duplicate_clause,
5458 c_parser_omp_variable_list,
5459 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
5460 c_parser_omp_clause_copyprivate,
5461 c_parser_omp_clause_default,
5462 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
5463 c_parser_omp_clause_lastprivate,
5464 c_parser_omp_clause_nowait,
5465 c_parser_omp_clause_num_threads,
5466 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
5467 c_parser_omp_clause_reduction,
5468 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
5469 c_parser_omp_all_clauses, c_parser_omp_structured_block,
5470 c_parser_omp_atomic, c_parser_omp_barrier,
5471 c_parser_omp_critical, c_parser_omp_flush,
5472 c_parser_omp_for_loop, c_parser_omp_for,
5473 c_parser_omp_master, c_parser_omp_ordered,
5474 c_parser_omp_sections_scope, c_parser_omp_sections,
5475 c_parser_omp_parallel, c_parser_omp_single,
5476 c_parser_omp_construct, c_parser_omp_threadprivate): New.
5477 * c-pragma.c (init_pragma): Do omp pragma registration here.
5478 * c.opt (fopenmp): New flag.
5480 2006-01-18 Eric Christopher <echristo@apple.com>
5482 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
5483 * config/darwin.h (GOMP_SELF_SPECS): Define.
5485 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
5487 * rtl.h: Remove the prototype for reg_alloc.
5489 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5491 PR target/25731
5492 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
5493 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
5494 sjlj and dwarf2 exception handling.
5495 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
5496 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
5497 * pa/pa.c (function_value): Treat complex and vector types as
5498 aggregates.
5499 (function_arg): Likewise. Only pass scalar floats in the floating
5500 point argument registers.
5501 * pa/t-slibgcc-dwarf-ver: New file.
5502 * pa/t-slibgcc-sjlj-ver: New file.
5503 * pa/t-slibgcc-elf-ver: Delete file.
5505 2006-01-19 Alan Modra <amodra@bigpond.net.au>
5507 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
5508 unlikely_test_section_p test.
5510 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
5512 * mode-switching.c (optimize_mode_switching): Make it static.
5513 * basic-block.h: Remove the prototype for
5514 optimize_mode_switching.
5516 * modulo-sched.c (sms_schedule): Make it static.
5517 * rtl.h: Remove the prototype for sms_schedule.
5519 * postreload-gcse.c (gcse_after_reload_main): Make it static.
5520 * rtl.h: Remove the prototype for gcse_after_reload_main.
5522 * reg-stack.c (reg_to_stack): Make it static.
5523 * rtl.h: Remove the prototype for reg_to_stack.
5525 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
5526 Make them static.
5527 * rtl.h: Remove the prototypes for regrename_optimize and
5528 copyprop_hardreg_forward.
5530 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
5532 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
5533 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
5534 Test against the appropriate null constant for the mode.
5535 If 'fixup_overlap' is true, swap the operands if they overlap.
5536 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
5537 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
5538 alpha_split_tmode_pair and adjust for above change.
5539 * config/alpha/alpha.md (movtf_internal): Adjust call to
5540 alpha_split_tfmode_pair and rely on it to swap the operands.
5541 (movti_internal): New insn and post-reload splitter.
5542 (movti): New expander.
5544 2006-01-18 Philippe De Muyter <phdm@macqel.be>
5546 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
5547 operands.
5549 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
5551 * rtlanal.c (global_reg_mentioned_p_1,
5552 global_reg_mentioned_p): Remove.
5553 * rtl.h: Remove the prototype for global_reg_mentioned_p.
5555 * flow.c (initialize_uninitialized_subregs): Make it static.
5556 * rtl.h: Remove the prototype for
5557 initialize_uninitialized_subregs.
5559 * function.c (instantiate_virtual_regs): Make it static.
5560 * function.h: Remove the prototype for
5561 instantiate_virtual_regs.
5563 * regmove.c (regmove_optimize, combine_stack_adjustments):
5564 Make them static.
5565 * rtl.h: Remove the prototypes for regmove_optimize and
5566 combine_stack_adjustments.
5568 2006-01-17 Roger Sayle <roger@eyesopen.com>
5570 * config/i386/i386.c (COSTS_N_BYTES): New macro.
5571 (size_cost): Encode costs in bytes so that a reg-reg addition is
5572 equivalent to COSTS_N_INSNS(1).
5573 (override_options): Use the size_cost.branch_cost as the default
5574 ix86_branch_cost when optimizing for size.
5576 2006-01-18 Ben Elliston <bje@au.ibm.com>
5578 * Makefile.in (D32PBIT_FUNCS): New.
5579 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
5580 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
5581 D64PBIT_FUNCS and D128PBIT_FUNCS.
5582 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
5583 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
5584 D128PBIT are set.
5585 (decnumber_dep): Define.
5586 * doc/libgcc.texi (Decimal float library routines): New node.
5587 * config/dfp-bit.h, config/dfp-bit.c: New files.
5589 2006-01-18 Ben Elliston <bje@au.ibm.com>
5591 * expr.c (emit_move_change_mode): Always adjust addresses, not
5592 just during reload. Copy replacements only during reload.
5593 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
5594 emit_move_via_integer.
5596 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
5598 * Makefile.in (check-%, check-consistency): Use $${srcdir}
5599 instead of $(srcdir) and ${srcdir}.
5601 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
5603 PR target/592
5604 PR middle-end/11135
5605 * arm.h (struct machine_function): Add pic_reg.
5606 * arm.c (arm_pic_register): Make unsigned.
5607 (arm_override_options): Only set arm_pic_register if
5608 TARGET_SINGLE_PIC_BASE.
5609 (use_return_insn): Only test for a pic register if it is fixed.
5610 (arm_compute_save_reg0_reg12_mask): Likewise.
5611 (thumb_compute_save_reg_mask): Likewise.
5612 (legitimate_pic_operand): Factor out some known invariants.
5613 (legitimize_pic_address): If we don't have a fixed pic register,
5614 then set up a pseudo in the function entry sequence. Handle the
5615 pic base being in a pseudo.
5616 (arm_load_pic_register): Handle the pic register being in a pseudo.
5617 (arm_expand_prologue): Only set up the pic register if it is fixed.
5618 (thumb_expand_prologue): Likewise.
5619 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
5620 (pic_load_addr_based_insn): Likewise.
5621 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
5622 fixed.
5624 2006-01-18 Ben Elliston <bje@au.ibm.com>
5626 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
5627 decimal float modes for all floating point registers.
5629 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
5630 match_code "mem" with match_test "macho_lo_sum_memory_operand".
5632 2006-01-17 Jakub Jelinek <jakub@redhat.com>
5634 PR c/25682
5635 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
5636 even when the pointer is not NULL.
5638 2006-01-16 Ian Lance Taylor <ian@airs.com>
5640 * common.opt (ftoplevel-reorder): New option.
5641 * cgraph.c (cgraph_asm_nodes): New global variable.
5642 (cgraph_asm_last_node): New static variable.
5643 (cgraph_order): New global variable.
5644 (cgraph_create_node): Set new order field.
5645 (cgraph_varpool_node): Likewise.
5646 (decide_is_variable_needed): Return true if not
5647 flag_toplevel_reorder.
5648 (cgraph_add_asm_node): New function.
5649 * cgraph.h (struct cgraph_node): Add order field.
5650 (struct cgraph_varpool_node): Add order field.
5651 (struct cgraph_asm_node): Define.
5652 (cgraph_asm_nodes, cgraph_order): Declare.
5653 (cgraph_add_asm_node): Declare.
5654 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
5655 function.
5656 (cgraph_varpool_assemble_pending_decls): Call it.
5657 (cgraph_output_pending_asms): New static function.
5658 (cgraph_finalize_compilation_unit): Call it.
5659 (struct cgraph_order_sort): Define.
5660 (cgraph_output_in_order): New static function.
5661 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
5662 !flag_toplevel_reorder case.
5663 * c-parser.c: Include "cgraph.h".
5664 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
5665 assemble_asm.
5666 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
5667 than -fno-unit-at-a-time.
5668 * doc/invoke.texi (Option Summary): Mention
5669 -fno-toplevel-reorder.
5670 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
5671 -funit-at-a-time documentation.
5673 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
5674 Kazu Hirata <kazu@codesourcery.com>
5676 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
5678 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
5680 * Makefile.in (FUNCTION_H): New. Use it instead of
5681 function.h throughout the file.
5682 * function.h: Include tree.h.
5684 2006-01-17 Ben Elliston <bje@au.ibm.com>
5686 * recog.c: Separate some functions with whitespace.
5688 2006-01-16 Richard Henderson <rth@redhat.com>
5690 Merge from gomp branch:
5691 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
5692 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
5693 and rename from struct inline_data. Rename callee* to dst*;
5694 caller* to src*; add copy_decl hook, transform_call_graph_edges,
5695 transform_new_cfg, transform_return_to_modify, and
5696 transform_lang_insert_block flags; remove cloning_p, versioning_p,
5697 update_clones_p.
5698 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
5699 (copy_decl_for_dup): Remove.
5700 * tree-inline.c (struct inline_data): Move to header.
5701 (insert_decl_map): Export.
5702 (remap_decl): Update for member name changes. Use copy_decl hook.
5703 Allow for replacement to be a non-decl. Remove dead code.
5704 (remap_type_1): Check for existing mapping.
5705 (remap_type): Export.
5706 (remap_decls): Update for member name changes.
5707 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
5708 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
5709 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
5710 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
5711 (tree_function_versioning, build_duplicate_type): Likewise.
5712 (copy_body_r): Likewise. Export.
5713 (copy_decl_for_dup): Split into ...
5714 (copy_decl_for_dup_finish, copy_decl_to_var,
5715 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
5716 (replace_ref_tree, inlining_p): Remove.
5718 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
5720 * ifcvt.c (if_convert): Make it static.
5721 * rtl.h: Remove the prototype for if_convert.
5723 * local-alloc.c (local_alloc): Make it static.
5724 * rtl.h: Remove the prototype for local_alloc.
5726 * loop.c (loop_optimize): Make it static.
5727 * cfgloop.h: Remove the prototype for loop_optimize.
5728 * rtl.h: Likewise.
5730 2006-01-16 DJ Delorie <dj@redhat.com>
5732 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
5733 mems.
5735 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5737 * pa.md: Disparage copies between general and floating-point registers
5738 in 32-bit move patterns.
5740 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
5742 PR testsuite/25741
5743 * Makefile.in (check-%): Depend on site.exp instead of
5744 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
5745 directories.
5747 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
5749 * global.c (global_alloc): Make it static.
5750 * rtl.h: Remove the prototype for global_alloc.
5752 2006-01-16 Richard Guenther <rguenther@suse.de>
5754 * tree-ssa-alias.c (struct used_part): Add write_only field.
5755 (get_or_create_used_part_for): Initialize it to true.
5756 (create_overlap_variables_for): Don't create structure variables
5757 for structures that only are written to.
5758 (find_used_portions): Handle MODIFY_EXPR to track whether a
5759 structure is only written to.
5761 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
5763 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
5764 static.
5765 * basic-block.h: Remove the prototype for
5766 partition_hot_cold_basic_blocks.
5768 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
5770 * cppspec.c (lang_specific_spec_functions): Remove.
5771 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
5772 * gcc.h (lang_specific_spec_functions): Remove.
5773 * gccspec.c (lang_specific_spec_functions): Remove.
5775 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
5777 * combine.c (record_value_for_reg): Invalidate registers
5778 if INSN is null.
5779 (record_dead_and_set_regs_1): Likewise, by passing them to
5780 record_value_for_reg.
5781 (record_dead_and_set_regs): Invalidate stores made by a
5782 call. We do not combine across a call, but we still
5783 relied on equivalences.
5785 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
5787 * tree-vrp.c (extract_range_from_binary_expr): Cope with
5788 vrp_int_const_binop returning non-constant nodes.
5790 2006-01-16 Paul Brook <paul@codesourcery.com>
5792 * config/m68k/m68k.c (output_move_const_into_data_reg):
5793 Output correct mnemonic for mvz and mvs.
5795 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
5797 * rtl-factoring.c: Add sequence abstraction algorithm.
5798 * cfgcleanup.c (outgoing_edges_match): Extra checks.
5799 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
5800 ABNORMAL edges.
5801 (block_has_preserve_label): New function.
5802 * common.opt: Register new pass.
5803 * Makefile.in: Ditto.
5804 * passes.c: Ditto.
5805 * timevar.def: Ditto.
5806 * tree-pass.h: Ditto.
5807 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
5808 * rtl.h (make_jump_insn_raw): Add forward decl.
5809 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
5811 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
5812 Roger Sayle <roger@eyesopen.com>
5814 * fold-const.c (fold_minmax): New static function.
5815 (fold_binary) <MIN_EXPR>: Call it.
5816 <MAX_EXPR>: Likewise.
5817 * stor-layout.c (place_field): Use DECL_SIZE consistently
5818 in the computation of the new record size.
5820 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
5822 * cse.c (cse_condition_code_reg): Make it static.
5823 * rtl.h: Remove the prototype for cse_condition_code_reg.
5825 * combine.c (combine_instructions): Make it static.
5826 * rtl.h: Remove the prototype for combine_instructions.
5828 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5830 PR target/25168
5831 * tree.c (get_file_function_name_long): Concatenate the first global
5832 object name with a string derived from the input filename of the object
5833 for type "F".
5835 2006-01-16 Ben Elliston <bje@au.ibm.com>
5837 * config/i386/winnt-stubs.c: Update FSF address.
5838 * config/xtensa/ieee754-df.S: Ditto.
5839 * config/xtensa/ieee754-sf.S: Ditto.
5841 2006-01-14 Ian Lance Taylor <ian@airs.com>
5843 * ifcvt.c (noce_init_if_info): New static function, broken out of
5844 noce_process_if_block.
5845 (noce_process_if_block): Call noce_init_if_info.
5846 (check_cond_move_block): New static function.
5847 (cond_move_process_if_block): New static function.
5848 (process_if_block): Call cond_move_process_if_block.
5850 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
5852 * cselib.c (hash_table): Rename to cselib_hash_table.
5853 (cselib_clear_table, discard_useless_values,
5854 remove_useless_values, cselib_lookup_mem, cselib_lookup,
5855 cselib_init, cselib_finish): Adjust uses of hash_table.
5857 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
5859 PR tree-optimization/25485
5860 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
5861 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
5862 is known to be false and true, respectively.
5864 2006-01-14 Richard Guenther <rguenther@suse.de>
5866 PR tree-optimization/22548
5867 PR tree-optimization/22555
5868 PR tree-optimization/22501
5869 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
5870 * params.def (salias-max-array-elements): New parameter.
5871 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
5872 * doc/invoke.texi (salias-max-array-elements): Document.
5873 * tree-flow-inline.h (var_can_have_subvars): We also handle
5874 arrays now.
5875 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
5876 COMPONENT_REF.
5877 * tree-ssa-structalias.c (params.h): Include.
5878 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
5879 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
5880 (get_constraint_for): For ADDR_EXPR operating on something
5881 containing an ARRAY_REF, add all subvars to the solution.
5882 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
5883 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
5884 for creating MUST_DEFs.
5885 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
5887 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
5889 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
5890 functions.
5891 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
5892 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
5893 number_of_iterations_le): New functions.
5894 (number_of_iterations_special): Removed.
5895 (number_of_iterations_exit): Do not use number_of_iterations_special.
5896 * tree.c (unsigned_type_for): Always return integer type.
5898 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
5899 Richard Guenther <rguenther@suse.de>
5901 PR rtl-optimization/24257
5902 * gcse.c (find_moveable_store): Only consider a store movable
5903 when the SET_SRC of the insn can be assigned to a register.
5905 2006-01-14 Ian Lance Taylor <ian@airs.com>
5907 * tree.c (tree_not_class_check_failed): New function.
5908 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
5909 (tree_not_class_check_failed): Declare.
5911 2006-01-13 Ian Lance Taylor <ian@airs.com>
5913 * reload1.c (do_output_reload): Add assertion rejecting a
5914 CALL_INSN.
5916 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
5918 * combine.c (struct reg_stat): Add new fields truncation_label and
5919 truncated_to_mode.
5920 (record_value_for_reg): Reset truncated_to_mode.
5921 (record_truncated_value): New function.
5922 (check_promoted_subreg): Call it. Rename to check_conversions.
5923 (combine_instructions): Rename check_promoted_subreg to
5924 check_conversions.
5925 (reg_truncated_to_mode): New function.
5926 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
5927 (gen_lowpart_or_truncate): New function.
5928 (force_to_mode): Use it instead of gen_lowpart.
5930 2006-01-13 Diego Novillo <dnovillo@redhat.com>
5932 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
5933 VAR is a tag, not its type tag.
5935 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
5937 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
5938 alternatives to match style of other entries.
5939 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
5941 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
5943 PR tree-optimization/25771
5944 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
5945 SSA_NAMES.
5947 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
5949 PR tree-opt/24365
5950 * tree-inline.c (declare_return_variable): If the return variable
5951 was marked as a non gimple complex, set the return slot variable
5952 to be a non gimple comple variable.
5954 2006-01-13 Richard Guenther <rguenther@suse.de>
5956 * builtins.c (expand_builtin_sincos): New function.
5957 (expand_builtin_mathfn_3): Remove dead code, sin and cos
5958 do not set errno.
5959 (expand_builtin): Expand sincos using expand_builtin_sincos.
5961 2006-01-12 DJ Delorie <dj@redhat.com>
5963 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
5964 shift counts, separate SI shifts for m32c vs m16c, pass shift type
5965 so that constant shifts can be split.
5966 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
5967 (m32c_valid_pointer_mode): Make static.
5968 (shift_gen_func_for): New.
5969 (m32c_prepare_shift): Use it. Split large const shifts into
5970 multiple shifts.
5971 * config/m32c/predicates.md (shiftcount_operand): Allow more
5972 general operands.
5973 (longshiftcount_operand): New.
5974 * doc/md.texi (Machine Constraints): Document In6.
5976 2006-01-13 Ben Elliston <bje@au.ibm.com>
5978 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
5979 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
5980 documentation.
5982 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
5984 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
5985 to try to avoid clobbering pieces of structures when we know
5986 something about the whole structure.
5987 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
5989 2006-01-13 Ben Elliston <bje@au.ibm.com>
5991 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
5992 return in memory, as this is no limitation is no longer present.
5994 2006-01-12 DJ Delorie <dj@redhat.com>
5996 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
5997 mova with fb, and for fb+0 -> An.
5999 * config/m32c/mov.md (peephole2): Fix enabling logic.
6001 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
6002 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
6003 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
6004 FINI_ARRAY_SECTION_ASM_OP): Define.
6006 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
6007 variable.
6008 (m32c_legitimize_reload_address): New logic to reload FB to An.
6009 (m32c_output_reg_push): Add newline.
6010 (m32c_output_reg_pop): Likewise.
6012 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
6014 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
6016 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
6018 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
6020 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
6022 * config/sh/predicates.md (sh_rep_vec): Add parallel to
6023 match_code.
6025 2006-01-11 Ben Elliston <bje@au.ibm.com>
6027 * rtlanal.c (find_reg_note): Assert insn is not null.
6029 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
6031 * df-scan.c (df_hard_reg_init): Move declaration of i outside
6032 ifdef.
6034 2006-01-11 Jeff Law <law@redhat.com>
6036 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
6037 hold edge pairs.
6038 (mark_threaded_blocks, register_jump_thread): New functions.
6039 (thread_through_all_blocks): Remove unwanted argument. No
6040 longer rely on e->aux to communicate thread target info.
6041 Call mark_threaded_blocks. Release the threaded_blocks
6042 bitmap and threaded_edges vector when complete.
6043 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
6044 (threaded_blocks): Remove.
6045 (tree_ssa_dominator_optimize): Remove initialization and
6046 finalization of threaded_blocks. Simplify call to
6047 thread_through_all_blocks.
6048 (thread_across_edge): Call register_jump_thread rather than
6049 storing thread information into e->aux.
6050 (free_all_edge_infos): Simplify now that e->aux is no longer
6051 used to communicate with thread_through_all_blocks.
6052 * tree-flow.h (thread_through_all_blocks): Update prototype.
6053 (register_jump_thread): Prototype.
6055 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
6057 * df-core.c (df_compact_blocks, df_bb_replace): Use
6058 SET_BASIC_BLOCK instead of BASIC_BLOCK.
6060 2006-01-11 Richard Guenther <rguenther@suse.de>
6062 PR tree-optimization/25734
6063 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
6064 stop propagation after successful propagation to the LHS.
6066 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
6068 * basic-block.h (control_flow_graph): Change the type of
6069 x_basic_block_info to VEC(basic_block,gc) *.
6070 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
6071 basic_block_info.
6072 (SET_BASIC_BLOCK): New.
6073 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
6074 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
6075 * cfgbuild.c (find_basic_blocks): Likewise.
6076 * cfglayout.c (fixup_reorder_chain): Likewise.
6077 * cfgrtl.c (create_basic_block_structure,
6078 rtl_create_basic_block): Likewise.
6079 * ifcvt.c (find_if_case_1): Likewise.
6080 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
6081 Likewise.
6083 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
6085 * Makefile.in: Removed rotted odf.c entry.
6087 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
6089 PR target/25706
6090 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
6091 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
6092 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
6093 output pattern modifier, not %e.
6094 * config/cris/cris.c (cris_op_str): Update comment about pattern
6095 modifier.
6096 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
6097 before falling through into...
6098 <case 'E'>: Redefined from old 'e' case.
6100 2006-01-11 Jan Hubicka <jh@suse.cz>
6102 PR target/25042
6103 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
6105 2006-01-11 Jan Hubicka <jh@suse.cz>
6107 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
6108 * i386.c (x86_decompose_lea): Kill.
6109 (ix86_rtx_costs): Kill.
6111 2006-01-11 Jan Hubicka <jh@suse.cz>
6113 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
6114 * cgraph.h (cgraph_node): Add inline_decl.
6115 (cgraph_insert_node_to_hashtable): Declare.
6116 (save_inline_function_body): Declare.
6117 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
6118 clones.
6119 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
6120 (cgraph_function_versioning): Update call of tree_function_versioning.
6121 (save_inline_function_body): New function.
6122 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
6123 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
6124 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
6125 (cgraph_default_inline_p): Likewise.
6126 (cgraph_decide_inlining_incrementally): Likewise.
6127 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
6128 (copy_bb): Kill saving; do updating of clones.
6129 (copy_cfg_body): Kill saving.
6130 (initialize_inlined-parameters): Likewise.
6131 (expand_call_inline): Likewise.
6132 (save_body): Kill.
6133 (tree_function_versioning): New parameter "update_clones".
6134 (inlining_p): Kill saving.
6135 * tree-inline.h (tree_function_versioning): Update prototype.
6136 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
6137 saving.
6139 2006-01-11 Ian Lance Taylor <ian@airs.com>
6141 * combine.c (struct undo): Remove is_int. Enumify types of undos.
6142 Allow undoing set of machine mode.
6143 (do_SUBST): Use enums instead of is_int.
6144 (do_SUBST_MODE): New function.
6145 (SUBST_MODE): New macro.
6146 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
6147 reg and trying to replace reg_regno_rtx with a new register.
6148 (undo_all): Use new enums, handle undoing a PUT_MODE change.
6149 (simplify_set): Use SUBST_MODE.
6150 (distribute_notes): Remove code that tried to update reg notes
6151 for regno_reg_rtx changes.
6153 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
6155 PR tree-optimization/23109
6156 PR tree-optimization/23948
6157 PR tree-optimization/24123
6159 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
6160 * tree-cfg.c (single_noncomplex_succ): New.
6161 * tree-flow.h (single_noncomplex_succ): Declare it.
6162 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
6163 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
6164 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
6165 insert_bb, register_division_in, insert_reciprocals,
6166 replace_reciprocal, free_bb): New.
6167 (execute_cse_reciprocals_1): Rewritten.
6168 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
6169 Do not commit any edge insertion. Always compute dominators and
6170 create the allocation pool.
6171 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
6172 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
6173 * targhooks.c (default_min_divistions_for_recip_mul): New.
6174 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
6175 * passes.c (init_optimization_passes): Run recip after tree loop
6176 optimizations.
6177 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
6179 2006-01-11 Danny Berlin <dberlin@dberlin.org>
6180 Kenneth Zadeck <zadeck@naturalbridge.com>
6182 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
6183 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
6184 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
6185 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
6186 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
6187 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
6188 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
6189 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
6190 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
6191 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
6192 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
6193 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
6194 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
6195 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
6196 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
6197 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
6198 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
6199 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
6200 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
6201 DF_SCAN_POST_ALLOC): New macros.
6202 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
6203 df_free_bb_function, df_local_compute_function, df_init_function,
6204 df_dataflow_function, df_confluence_function_0,
6205 df_confluence_function_n, df_transfer_function,
6206 df_finalizer_function, df_free_function, df_dump_problem_function,
6207 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
6208 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
6209 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
6210 df_urec_bb_info, ) New types.
6211 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
6212 variables.
6213 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
6214 df_analyze_simple_change_some_blocks,
6215 df_analyze_simple_change_one_block, df_compact_blocks,
6216 df_bb_replace, df_bb_regno_last_use_find,
6217 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
6218 df_insn_regno_def_p, df_find_def, df_find_use,
6219 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
6220 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
6221 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
6222 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
6223 debug_df_chain, df_get_dependent_problem, df_chain_create,
6224 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
6225 df_grow_bb_info, df_chain_dump, df_print_bb_index,
6226 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
6227 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
6228 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
6229 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
6230 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
6231 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
6232 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
6233 df_ref_remove, df_insn_refs_delete, df_refs_delete,
6234 df_reorganize_refs, df_set_state, df_hard_reg_init,
6235 df_read_modify_subreg_p) New public functions.
6236 * df-core.c: The core dataflow solver and glue routines for rtl
6237 dataflow.
6238 (df_init, df_add_problem, df_set_blocks, df_finish,
6239 df_hybrid_search_forward, df_hybrid_search_backward,
6240 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
6241 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
6242 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
6243 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
6244 df_reg_defined, df_find_use, df_reg_used, df_dump,
6245 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
6246 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
6247 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
6248 debug_df_useno, reset_df_after_reload): New functions.
6249 * df-scan.c: The scanning fuctions, once in df.c, completely
6250 rewritten so that they now fully model the functionality of
6251 register usage at the backend.
6252 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
6253 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
6254 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
6255 df_grow_insn_info, df_rescan_blocks, df_ref_create,
6256 df_get_artificial_defs, df_get_artificial_uses,
6257 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
6258 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
6259 df_refs_delete, df_reorganize_refs, df_set_state,
6260 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
6261 df_def_record_1, df_defs_record, df_uses_record,
6262 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
6263 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
6264 df_record_exit_block_uses, df_hard_reg_init): New functions.
6266 * df-problems.c: Seven concrete dataflow problems that use the
6267 scanning in df-scan.c and are solved by the engine in df-core.c.
6268 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
6269 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
6270 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
6271 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
6272 df_ru_free_bb_info, df_ru_alloc,
6273 df_ru_bb_local_compute_process_def,
6274 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
6275 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
6276 df_ru_transfer_function, df_ru_free, df_ru_dump,
6277 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
6278 df_rd_free_bb_info, df_rd_alloc,
6279 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
6280 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
6281 df_rd_transfer_function, df_rd_free, df_rd_dump,
6282 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
6283 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
6284 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
6285 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
6286 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
6287 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
6288 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
6289 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
6290 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
6291 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
6292 df_urec_mark_reg_change, df_urec_check_earlyclobber,
6293 df_urec_mark_reg_use_for_earlyclobber,
6294 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
6295 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
6296 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
6297 df_urec_dump, df_urec_add_problem, df_chain_alloc,
6298 df_chain_create_bb_process_use, df_chain_create_bb,
6299 df_chain_finalize, df_chain_free, df_chains_dump,
6300 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
6301 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
6302 df_reg_lifetime): New functions.
6303 * df.c: Deleted file.
6304 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
6305 consistent with new df api.
6306 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
6307 rest_of_handle_sms): Ditto.
6308 * web.c (unionfind_union, union_defs, entry_register, web_main):
6309 Ditto.
6310 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
6311 invariant_expr_equal_p, find_defs, check_dependencies,
6312 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
6313 free_inv_motion_data, move_loop_invariants): Ditto.
6314 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
6315 Update dependencies.
6316 (odf.c): Added defective entry that was deleted later in day.
6317 * sched-deps.c (sched_analyze_1): Ditto.
6319 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
6321 * tree-ssa-operands.c (get_expr_operands): Record addressable
6322 variables directly. Do not call add_stmt_operands for CONST_DECLs
6323 and ARRAY_DECLs.
6324 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
6325 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
6327 2006-01-11 Ben Elliston <bje@au.ibm.com>
6329 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
6330 function returns true in the positive case.
6332 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6334 PR target/20754
6335 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
6336 for SI, DI, SF and DF modes. Add alternatives to copy between
6337 general and floating point registers to the 32-bit patterns.
6338 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
6339 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
6340 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
6341 generating 64-bit code.
6342 * config/pa/pa.c (output_move_double): Handle copies between general
6343 and floating registers.
6345 2006-01-10 Stuart Hastings <stuart@apple.com>
6347 * config/i386/i386.md (set_got): Update.
6348 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
6349 (builtin_setjmp_receiver): Mach-O support.
6350 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
6351 (GOT_SYMBOL_NAME): Define.
6352 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
6353 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
6354 * config/i386/i386.c (override_options): Revise for Darwin.
6355 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
6356 support. (darwin_x86_file_end): New. (output_set_got): Add label
6357 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
6358 * config/i386/i386-protos.h (output_set_got): Likewise.
6359 * config/darwin.c (machopic_legitimize_pic_address): Update
6360 regs_ever_live[].
6362 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
6364 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
6365 when MODE isn't BLKmode.
6367 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
6369 PR rtl-optimization/25367
6370 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
6372 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
6374 PR target/25718
6375 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
6376 for a negative bound.
6378 2006-01-10 Richard Guenther <rguenther@suse.de>
6380 * tree-ssa-structalias.c (get_constraint_for_component_ref):
6381 Never override with anything constraint.
6383 2006-01-10 Jan Beulich <jbeulich@novell.com>
6385 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
6386 256 bits when optimize_size.
6388 2006-01-10 Jan Beulich <jbeulich@novell.com>
6390 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
6391 MASK_ALIGN_DOUBLE.
6392 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
6393 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
6394 arguments.
6396 2006-01-10 Ben Elliston <bje@au.ibm.com>
6398 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
6399 float modes.
6400 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
6401 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
6402 (USE_FP_FOR_ARG): Reject decimal float modes.
6403 (function_arg_advance): Likewise.
6404 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
6405 (rs6000_handle_altivec_attribute): Do not permit decimal floating
6406 point types in AltiVec vectors.
6407 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
6408 (rs6000_libcall_value): Likewise.
6410 2006-01-09 Bob Wilson <bob.wilson@acm.org>
6412 * config/xtensa/ieee754-df.S: New file.
6413 * config/xtensa/ieee754-sf.S: New file.
6414 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
6415 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
6416 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
6418 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
6420 * config/sh/predicates.md (binary_float_operator,
6421 binary_logical_operator, commutative_float_operator,
6422 equality_comparison_operator, greater_comparison_operator,
6423 less_comparison_operator, logical_operator,
6424 noncommutative_float_operator, shift_operator,
6425 symbol_ref_operand, unary_float_operator): Remove redundant
6426 conditionals.
6428 2006-01-09 Jeff Law <law@redhat.com>
6430 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
6431 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
6432 now unused arguments. Callers updated.
6433 (eliminate_redundant_computations): Remove now unused arguments,
6434 callers updated.
6435 (local_fold): Remove, no longer used.
6436 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
6437 and moved to...
6438 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
6439 (simplify_cond): New function.
6440 (forward_propagate_into_cond): Call simplify_cond.
6442 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
6444 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
6445 (*vec_extractv2di_1_sse): New.
6447 2006-01-09 Ben Elliston <bje@au.ibm.com>
6449 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
6451 2006-01-08 Richard Guenther <rguenther@suse.de>
6453 * tree-ssa-structalias.c (get_constraint_for): Remove
6454 anyoffset argument.
6455 (get_constraint_for_component_ref): Likewise.
6456 (do_deref): Likewise.
6457 (get_constraint_for): Likewise.
6458 (do_structure_copy): Likewise.
6459 (handle_ptr_arith): Likewise.
6460 (find_func_aliases): Likewise. Remove unused need_anyoffset
6461 variable.
6463 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
6464 Kaz Kojima <kkojima@gcc.gnu.org>
6466 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
6467 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
6468 (EXTRA_CONSTRAINT_C16): Remove.
6469 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
6470 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
6471 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
6472 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
6473 constants of SHmedia. Handle nested constant expressions of
6474 SHmedia correctly.
6475 (andcosts): Fix the costs for SHmedia constants.
6476 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
6477 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
6478 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
6479 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
6480 (movv4hi_i, movv2si_i): Likewise.
6481 (movsi_const): Adjust the second operand of ior so to match with
6482 the Csu constraint.
6483 (movdi_const, movdi_const_32bit): Likewise.
6484 (movdi_const_16bit+1): Don't sign-extend LOW.
6485 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
6486 step.
6487 (*double_shori): Fix the split condition. Use GEN_INT instead
6488 of get_int_mode calls. Mask lower 16-bit of the argument of
6489 the last GEN_INT.
6490 (sym2GOTPLT): Remove.
6491 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
6492 gen_rtx_UNSPEC.
6493 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
6494 instead of EXTRA_CONSTRAINT_C16.
6496 2006-01-07 Ian Lance Taylor <ian@airs.com>
6497 David Edelsohn <edelsohn@gnu.org>
6499 PR rtl-optimization/25662
6500 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
6501 for constant operands instead of simplify_gen_binary.
6502 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
6503 after trying simplify_binary_operation
6505 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
6507 * tree.c (iterative_hash_expr): Hash decls based on UID.
6509 2006-01-06 Eric Christopher <echristo@apple.com>
6511 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
6512 (TARGET_UNWIND_EMIT): Fix spelling.
6513 * target.h (gcc_target): Add except_table_label.
6514 * except.c (output_function_exception_table): Use.
6515 * varasm.c (default_emit_except_table_label): New.
6516 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
6517 define.
6518 (asm_out): Add here.
6519 * output.h (default_emit_except_table_label): Prototype.
6520 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
6521 * config/darwin.c (darwin_emit_except_table_label): Define.
6522 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
6524 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
6526 PR tree-optimization/18527
6527 * tree-ssa-loop-niter.c (number_of_iterations_cond,
6528 number_of_iterations_special, number_of_iterations_exit):
6529 Move base and step of an iv to a single structure. Add
6530 no_overflow flag, and use it in # of iterations analysis.
6531 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
6532 folded_casts argument.
6533 (simple_iv): Pass base and step in a structure. Set no_overflow
6534 flag.
6535 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
6536 Evaluate expensiveness of computing # of iterations instead of
6537 the final expression.
6538 * tree-scalar-evolution.h (affine_iv): New structure.
6539 (simple_iv): Declaration changed.
6540 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
6541 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
6542 find_givs_in_stmt): Changed due to simple_iv change.
6544 2006-01-06 Jeff Law <law@redhat.com>
6546 PR ada/24994
6547 * tree-cfg.c (bsi_replace): Rename final argument from
6548 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
6549 change (stmt -> orig_stmt).
6550 * tree-eh.c (verify_eh_throw_stmt_node): New function.
6551 (bsi_remove): Add new argument. Remove EH information
6552 if requested.
6553 (verify_eh_throw_table_statements): New function.
6554 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
6555 updated.
6556 * tree-optimize.c (execute_free_cfg_annotations): Verify
6557 the EH throw statement table after removing annotations.
6558 * except.h (verify_eh_throw_table_statements): Prototype.
6559 * tree-flow.h (bsi_remove): Update prototype.
6560 * tree-vrp.c (remove_range_assertions): Add new argument to
6561 bsi_remove call.
6562 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
6563 * tree-complex.c (expand_complex_div_wide): Likewise.
6564 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
6565 * tree-tailcall.c (eliminate_tailcall): Likewise.
6566 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
6567 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
6568 * tree-nrv.c (tree_nrv): Likewise.
6569 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
6570 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
6571 (combine_blocks): Likewise.
6572 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
6573 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
6574 (cleanup_control_flow): Likewise.
6575 (remove_forwarder_block): Likewise.
6576 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
6577 * tree-sra.c (sra_replace): Likewise.
6578 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
6579 (forward_propagate_single_use_vars): Likewise.
6580 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
6581 * tree-inline.c (expand_call_inline): Likewise.
6582 * tree-vect-transform.c (vect_transform_loop): Likewise.
6583 * tree-outof-ssa.c (rewrite_trees): Likewise.
6584 * tree-cfg.c (make_goto_expr_edges): Likewise.
6585 (cleanup_dead_labels): Likewise.
6586 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
6587 (bsi_move_before, bsi_move_after): Likewise.
6588 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
6589 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
6591 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
6593 PR tree-opt/25528
6594 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
6595 and IMAGPART_EXPR.
6596 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
6597 on non gimple variables. Also add checks at the top for decls and
6598 mtags.
6599 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
6600 complex types.
6601 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
6602 and IMAGPART_EXPR for creating MUST_DEFs.
6603 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
6604 and NAME_MEMORY_TAG separately from the DECLs.
6606 2006-01-06 Richard Guenther <rguenther@suse.de>
6608 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
6609 annotation, if necessary.
6610 * tree-ssa-pre.c (create_expression_by_pieces): Remove
6611 redundant calls to update_stmt.
6612 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
6613 Likewise.
6615 2006-01-05 Richard Henderson <rth@redhat.com>
6617 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
6619 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
6621 * c-typeck.c: Update copyright date.
6623 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
6625 * c-typeck.c (build_c_cast): Always warn when casting
6626 from a pointer to an integer of different size, even if
6627 the node was constant.
6629 2006-01-05 Richard Guenther <rguenther@suse.de>
6631 PR tree-optimization/22555
6632 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
6633 if one structure field is an array.
6634 * tree-ssa-operands.c (get_expr_operands): Continue scanning
6635 operands even if we found a subvar, but ignore VOPs in this
6636 case.
6637 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
6638 for renaming.
6639 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
6641 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
6643 PR middle-end/24998
6644 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
6646 2006-01-05 Richard Guenther <rguenther@suse.de>
6647 Diego Novillo <dnovillo@redhat.com>
6649 * tree-pass.h (TODO_remove_unused_locals): Define.
6650 * gimple-low.c (expand_var_p, remove_useless_vars,
6651 pass_remove_useless_vars): Remove. Update all users.
6652 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
6653 (remove_unused_locals): New function.
6654 * tree-flow.h (remove_unused_locals): Declare.
6655 * passes.c (execute_todo): Call remove_unused_locals if
6656 TODO_remove_unused_locals is set.
6657 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
6658 * tree-ssa-dce.c (pass_dce): Likewise.
6659 * tree-outof-ssa.c (pass_del_ssa): Likewise.
6661 2006-01-05 Richard Guenther <rguenther@suse.de>
6663 * tree-flow.h (struct fieldoff): Decompose field to
6664 type, size and decl.
6665 * tree-ssa-alias.c (create_sft): Take type as parameter.
6666 (create_overlap_variables_for): Store type, size and decl
6667 in the fieldoff structure.
6668 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
6669 of struct fieldoff.
6670 (push_fields_onto_fieldstack): Likewise.
6671 (create_variable_info_for): Likewise. Use offset for the
6672 SFT name if the decl is not available.
6674 2006-01-04 Paul Brook <paul@codesourcery.com>
6676 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
6678 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
6680 * lambda-code.c (can_put_in_inner_loop): Relax
6681 restrictions.
6682 (can_put_after_inner_loop): New function.
6683 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
6684 (perfect_nestify): Change to make copies and modify uses.
6686 2006-01-04 Richard Henderson <rth@redhat.com>
6688 Merge from gomp branch:
6689 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
6690 via integer constant.
6691 (pragma_lex): Remove.
6692 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
6693 rather than parsing it.
6694 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
6695 handle_pragma_extern_prefix): Add %< %> quotes.
6696 (registered_pragmas): New.
6697 (c_register_pragma_1): New.
6698 (c_register_pragma): Use it.
6699 (c_register_pragma_with_expansion): Likewise.
6700 (c_invoke_pragma_handler): New.
6701 (init_pragma): Use cpp_register_deferred_pragma directly for
6702 pch_preprocess.
6703 * c-pragma.h (enum pragma_kind): New.
6704 (pragma_handler): New.
6705 (c_invoke_pragma_handler): Declare.
6706 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
6707 CPP_PRAGMA_EOL.
6708 * c-common.h (c_common_pch_pragma): Update decl.
6709 * Makefile.in (c-parser.o): Update dependencies.
6710 (GTFILES): Add c-pragma.h.
6711 * c-parser.c (struct c_token): Add pragma_kind.
6712 (struct c_parser): Add in_pragma.
6713 (c_lex_one_token): Always initialize keyword and pragma_kind.
6714 Extract data for CPP_PRAGMA.
6715 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
6716 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
6717 Don't allow CPP_PRAGMA_EOL if in_pragma.
6718 (c_parser_consume_pragma): New.
6719 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
6720 (c_parser_skip_to_end_of_parameter): Likewise.
6721 (c_parser_skip_to_end_of_block_or_statement): Likewise.
6722 (c_parser_skip_to_pragma_eol): New.
6723 (c_parser_external_declaration): Handle CPP_PRAGMA.
6724 (c_parser_compound_statement_nostart): Likewise.
6725 (c_parser_statement_after_labels): Likewise.
6726 (c_parser_pragma): New.
6727 (pragma_lex): Likewise.
6728 (c_parser_pragma_pch_preprocess): New.
6729 (c_parser_new): Merge into ...
6730 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
6732 2006-01-04 Jeff Law <law@redhat.com>
6734 PR ada/24994
6735 * tree-cfg.c (bsi_replace): Remove the original statement
6736 from the EH throw statement table.
6738 2006-01-04 Jakub Jelinek <jakub@redhat.com>
6740 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
6741 make the prototype extern "C" and add throw ().
6743 PR target/25554
6744 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
6745 and pos non-negative and pos + len <= 32.
6746 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
6747 drop pos + len < HOST_BITS_PER_WIDE_INT test.
6748 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
6750 PR c/25559
6751 * c-common.c (handle_vector_size_attribute): Reject zero vector size
6752 as well as sizes not multiple of component size.
6754 PR debug/25562
6755 * function.c (instantiate_expr): New function.
6756 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
6757 walk its DECL_VALUE_EXPR with instantiate_expr.
6759 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
6760 DW_OP_deref{,_size} if address isn't going to be added.
6762 2006-01-04 Ben Elliston <bje@au.ibm.com>
6764 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
6765 * config/fp-bit.c: Likewise.
6767 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
6769 * dominance.c: Add comment about why we use DFS numbering
6770 of dominance tree.
6772 2006-01-03 Jakub Jelinek <jakub@redhat.com>
6773 Richard Henderson <rth@redhat.com>
6775 Merge from gomp-branch:
6776 * varasm.c (assemble_variable): Handle thread-local COMMON data.
6777 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
6779 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
6781 PR rtl-optimization/25578
6782 * combine.c (combine_simplify_rtx, force_to_mode): Don't
6783 pass a parameter to simplify_shift_const if changing ASHIFTRT
6784 to LSHIFTRT.
6786 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
6788 * builtins.c (get_builtin_sync_mem): New function.
6789 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
6790 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
6791 Call get_builtin_sync_mem to generate mem rtx.
6793 2006-01-03 Richard Guenther <rguenther@suse.de>
6795 PR c/25183
6796 * stmt.c (add_case_node): Make sure to clear overflow flags
6797 from ranges.
6799 2006-01-03 Jakub Jelinek <jakub@redhat.com>
6801 Merge from gomp-branch.
6802 * config/sparc/sync.md: New file.
6803 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
6804 UNSPECV_LDSTUB): New constants.
6805 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
6806 * config/sparc/predicates.md (memory_reg_operand): New predicate.
6807 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
6808 prototype.
6810 2006-01-03 Roger Sayle <roger@eyesopen.com>
6812 * combine.c (reg_subword_p): New predicate to test whether the
6813 destination of a set refers to a subword/piece of a register.
6814 (try_combine): Generalize the code to merge the setting of a
6815 pseudo to a constant followed by a set of a subword of that
6816 register to a constant.
6818 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
6820 * basic-block.h (control_flow_graph): Change the type of
6821 x_label_to_block_map to VEC(basic_block,gc) *.
6822 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
6823 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
6825 * tree-ssa-propagate.c (cfg_blocks): Change the type to
6826 VEC(basic_block,heap) *.
6827 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
6828 ssa_prop_fini): Adjust the uses of cfg_blocks.
6830 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
6832 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
6833 COMPONENT_REFs.
6834 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
6835 hashing trees instead of a pointer hash.
6836 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
6837 compare for MEM_EXPR.
6839 PR rtl-optimization/25130
6840 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
6841 when comparing MEMs for GCSE
6843 2006-01-03 Ben Elliston <bje@au.ibm.com>
6845 * targhooks.h (default_decimal_float_supported_p): Declare.
6846 * targhooks.c (default_decimal_float_supported_p): Define.
6847 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
6848 `default_decimal_float_supported_p'.
6849 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
6851 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
6853 * combine.c (apply_distributive_law <SUBREG>): Check
6854 TRULY_NOOP_TRUNCATION.
6856 2006-01-02 Geoffrey Keating <geoffk@apple.com>
6858 * dwarf2out.c (have_switched_text_section): Delete.
6859 (have_multiple_function_sections): New.
6860 (have_location_lists): Make 'bool'.
6861 (add_AT_loc_list): Use 'true' not '1'.
6862 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
6863 (output_loc_list): Use have_multiple_function_sections.
6864 (output_ranges): Likewise.
6865 (dwarf2out_begin_function): Set have_multiple_function_sections if
6866 necessary.
6867 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
6868 Check function_section rather than DECL_SECTION_NAME.
6869 (dwarf2out_finish): Use have_multiple_function_sections.
6870 Don't clear have_location_lists.
6872 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
6873 Jan Hubicka <jh@suse.cz>
6875 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
6876 case of conditional jump jumping to the next instruction.
6877 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
6878 cases of conditional jump jumping to the next instruction.
6880 2006-01-02 Jan Hubicka <jh@suse.cz>
6882 * i386.c (*_cost): Add COSTS_N_INSNS.
6883 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
6885 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
6887 PR target/25259
6888 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
6890 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6892 * config/arm/arm.c (all_fpus): Fix comment typo.
6893 * config/darwin.c: Likewise.
6894 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
6895 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
6896 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
6898 2006-01-01 David Edelsohn <edelsohn@gnu.org>
6900 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
6901 (rs6000_split_compare_and_swapqhi): New.
6902 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
6903 (sync_compare_and_swapqhi_internal): New.
6904 * config/rs6000/rs6000-protos.h: Declare.