1 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
3 * params.c (set_param_value): Initialize the "set" field.
4 * params.h (struct param_info): Add "set" field.
5 (PARAM_SET_P): New macro.
6 (PREFETCH_LATENCY, SIMULTANEOUS_PREFETCHES, L1_CACHE_SIZE,
7 L1_CACHE_LINE_SIZE): New macros.
8 * toplev.c (DEFPARAM): Initialize the "set" field.
9 * tree-ssa-loop-prefetch.c (PREFETCH_LATENCY,
10 SIMULTANEOUS_PREFETCHES): Removed.
11 (PREFETCH_BLOCK): Use L1_CACHE_LINE_SIZE.
12 (tree_ssa_prefetch_arrays): Dump the values of the parameters.
13 * config/sparc/sparc.c: Include params.h.
14 (sparc_override_options): Set SIMULTANEOUS_PREFETCHES and
15 L1_CACHE_LINE_SIZE parameters.
16 * config/sparc/sparc.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
18 * config/i386/i386.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
20 * config/i386/i386.c: Include params.h.
21 (k8_cost): Change default value for SIMULTANEOUS_PREFETCHES.
22 (override_options): Set SIMULTANEOUS_PREFETCHES and
23 L1_CACHE_LINE_SIZE parameters.
24 * config/sh/sh.h (SIMULTANEOUS_PREFETCHES): Removed.
25 (OPTIMIZATION_OPTIONS): Set SIMULTANEOUS_PREFETCHES and
26 L1_CACHE_LINE_SIZE parameters.
27 * config/ia64/ia64.c (ia64_optimization_options): Set
28 SIMULTANEOUS_PREFETCHES and L1_CACHE_LINE_SIZE parameters.
29 * config/ia64/ia64.h (SIMULTANEOUS_PREFETCHES, PREFETCH_BLOCK):
31 * params.def (PARAM_PREFETCH_LATENCY, PARAM_SIMULTANEOUS_PREFETCHES,
32 PARAM_L1_CACHE_SIZE, PARAM_L1_CACHE_LINE_SIZE): New params.
33 * doc/invoke.texi: Document new params.
35 2006-11-12 Roger Sayle <roger@eyesopen.com>
37 PR tree-optimization/13827
38 * fold-const.c (fold_binary) <EQ_EXPR, NE_EXPR>: Fold (X&C) op (Y&C)
41 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
43 * cfgloopmanip.c (update_single_exit_for_duplicated_loop,
44 update_single_exit_for_duplicated_loops): New functions.
45 (duplicate_loop_to_header_edge): Use
46 update_single_exit_for_duplicated_loops.
47 * tree-ssa-loop-manip.c (tree_unroll_loop): Call verification
48 functions only with ENABLE_CHECKING.
50 2006-11-12 Andreas Schwab <schwab@suse.de>
52 * except.c (sjlj_emit_function_enter): Remove unused variable.
54 2006-11-11 Roger Sayle <roger@eyesopen.com>
56 * fold-const.c (int_binop_types_match_p): New function.
57 (size_binop): Relax constraint that both arguments must both have
58 exactly the same sizetype type. Instead use int_binop_types_match_p.
59 (size_diffop): Likewise.
61 (make_range): Use build_int_cst instead of fold_convert.
62 (fold_cond_expr_with_comparison): Use build_int_cst to construct
63 integer constants of the correct type.
64 (fold_div_compare): Likewise.
65 (fold_single_bit_test): Likewise.
66 (fold_binary): Likewise.
67 * stor-layout.c (layout_type) <VECTOR_TYPE>: Ensure that TYPE_SIZE
68 has type bitsizetype and TYPE_SIZE_UNIT has type sizetype.
70 2006-11-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
73 * alias.c (fixed_scalar_and_varying_struct_p): Don't return a
74 non null value if the struct memory access is in the 0th
77 2006-11-12 Jie Zhang <jie.zhang@analog.com>
80 2006-11-11 Jie Zhang <jie.zhang@analog.com>
81 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
84 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Use builtin_define_std
85 instead of builtin_define for bfin and BFIN.
87 2006-11-11 Jie Zhang <jie.zhang@analog.com>
89 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
92 2006-11-11 Jan Hubicka <jh@suse.cz>
94 * extended.texi (__builtin_expect): We no longer require second argument
96 * gengtype.c (adjust_field_rtx_def): Drop NOTE_INSN_EXPECTED_VALUE.
97 * builtins.c (expand_builtin_expect): Simplify.
98 (expand_builtin_expect_jump): Kill.
99 * final.c (final_scan_insn): Do not skip the removed notes.
100 * insn-notes.def (LOOP_BEG, LOOP_END, REPEATED_LINE_NUMBER,
101 EXPECTED_VALUE): Remove.
102 * dojump.c (do_jump): Do not care about __builtin_expect.
103 * predict.c (expected_value_to_br_prob): Kill.
104 * function.c (expand_function_end): Do not expand
105 NOTE_INSN_REPEATED_LINE_NUMBER.
106 * print-rtl.c (print_rtx): Do not pretty print the removed notes.
107 * expect.c (sjlj_emit_function_enter): Emit directly branch probability.
108 * cfgexpand.c (add_reg_br_prob_note): Export.
109 * cfgcleanup.c (rest_of_handle_jump2): Do not call
110 expected_value_to_br_prob.
111 * cfglayout.c (duplicate_insn_chain): Do not deal with removed notes.
112 * rtl.h (add_reg_br_prob_note): Declare.
114 2006-11-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
116 * tree-pretty-print.c (dump_generic_node): Print sign of Inf.
118 2006-11-11 Jan Hubicka <jh@suse.cz>
120 * predict.c (predict_loops): Kill RTL variant.
122 2006-11-11 Jan Hubicka <jh@suse.cz>
124 * tree-pass.h (pass_purge_lineno_notes): Remove declaration.
125 * modulo-sched.c (find_line_note): Remove.
126 (loop_canon_p): Do not worry about line number notes.
127 (sms_schedule): Likewise.
128 * cse.c (cse_main): Likewise.
129 * regmove.c (fixup_match_1): Likewise
130 * function.c (emit_return_info_block): Likewise.
131 (expand_function_end): Likewise.
132 (thread_prologue_an_epilogue_insns): Likewise.
133 * cfgrtl.c (try_redirect_by_replacing_jump, rtl_tidy_fallthru_edge):
135 * emit-rtl.c (find_line_note, emit_insn_after_with_line_notes,
136 emit_note_copy_after): Kill.
137 (emit_note_copy): Do not worry about line numbers.
138 * jump.c (purge_line_number_notes): Kill.
139 (pass_purge_lineno_notes): Kill.
140 * cfgcleanup.c (rest_of_handle_jump2): Kill purge_line_number_notes
142 * rtl.h (emit_note_copy_after, emit_insn_after_with_line_notes): Kill.
143 * passes.c (init_optimization_passes): Don't purge_lineno_notes.
144 * sched-ebb.c (schedule_ebbs): Don't do rm_redundant_line_notes.
145 * tree-pass.h (pass_purge_lineno_notes): Kill.
146 * sched-ebb.c (schedule_ebb): Don't rm_line_notes,
147 rm_redundant_line_notes.
148 * sched-rgb.c (schedule_region): Don't rm_line_notes,
149 rm_redundant_line_notes.
150 * sched-int.h (rm_line_notes, rm_redundant_line_notes): Kill.
151 * haifa-sched.c: Update comment about handling notes.
152 (unlink_line_notes): Kill.
153 (rm_line_notes): Kill.
154 (save_line_notes): Simplify.
155 (rm_redundant_line_notes): Kill.
157 2006-11-11 Richard Guenther <rguenther@suse.de>
159 * tree.def (FIX_CEIL_EXPR, FIX_FLOOR_EXPR, FIX_ROUND_EXPR):
160 Remove unused tree codes.
161 * tree-vrp.c (extract_range_from_unary_expr): Remove handling
162 of FIX_CEIL_EXPR, FIX_FLOOR_EXPR and FIX_ROUND_EXPR.
163 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
164 * tree.c (stabilize_reference): Likewise.
165 * fold-const.c (fold_convert_const_int_from_real, operand_equal_p,
166 fold_unary): Likewise.
167 * tree-gimple.c (is_gimple_cast): Likewise.
168 * dwarf2out.c (loc_descriptor_from_tree_1): Likewise.
169 * expr.c (expand_expr_real_1): Likewise.
170 * tree-eh.c (tree_could_trap_p): Likewise.
171 * gimplify.c (gimplify_expr): Likewise.
172 * tree-inline.c (estimate_num_insns_1): Likewise.
173 * tree-cfg.c (verify_expr): Likewise.
175 2006-11-11 Zdenek Dvorak <dvorakz@suse.cz>
177 * tree-ssa-loop.c (pass_loop_prefetch): Change name to aprefetch.
178 * tree-ssa-loop-prefetch.c (dump_mem_ref): Fix target file.
179 (tree_ssa_prefetch_arrays): Do not dump for removed loops.
181 2006-11-11 Richard Sandiford <richard@codesourcery.com>
184 * stmt.c (expand_asm_operands): Use EXPAND_INITIALIZER if the
185 constraints accept neither registers or memories.
187 2006-11-11 Jie Zhang <jie.zhang@analog.com>
189 * config/bfin/bfin.h (FUNCTION_PROFILER): Don't use LABELNO.
190 (NO_PROFILE_COUNTERS): Define as 1.
192 2006-11-10 Roger Sayle <roger@eyesopen.com>
194 * fold-const.c (operand_equal_p) <INTEGER_CST, REAL_CST, VECTOR_CST>:
195 Don't check for TREE_CONSTANT_OVERFLOW when comparing constants.
197 2006-11-10 Peter Bergner <bergner@vnet.ibm.com>
199 * rtl.h (MEM_COPY_ATTRIBUTES): Copy MEM_POINTER.
201 2006-11-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
203 * builtins.c (fold_builtin_cos): Use fold_strip_sign_ops().
204 (fold_builtin_hypot): Likewise.
205 * fold-const.c (fold_strip_sign_ops): Handle "odd" builtins.
207 * fold-const.c (negate_mathfn_p): Add BUILT_IN_ERF.
209 2006-11-10 Roger Sayle <roger@eyesopen.com>
211 * tree.c (build_int_cst_wide): Add an assertion (gcc_unreachable)
212 when attempting to build INTEGER_CSTs of non-integral types.
213 * expmed.c (make_tree): Use the correct type, i.e. the inner
214 type, when constructing the individual elements of a CONST_VECTOR.
216 2006-11-10 Jan Hubicka <jh@suse.cz>
218 * cse.c (cse_process_notes): Copy the propagated value.
219 * local-alloc.c (update_equiv_regs): Copy the memory RTX to be used
221 * gcse.c (try_replace_reg): Copy the replacement.
222 * i386.c (emit_i387_cw_initialization): Copy stored_mode.
223 (assign_386_stack_local): Always return copied memory expression
224 * function.c (instantiate_virtual_regs_in_insn): Copy the operand
227 2006-11-10 Jan Hubicka <jh@suse.cz>
229 * final.c (final): Walk from first instruction.
230 * cfglayout.c (insn_locators_initialize): Remove line number notes.
232 2006-11-10 Uros Bizjak <ubizjak@gmail.com>
235 * config/i386/sse.md (smulv8hi3_highpart): Change from define_insn
237 (umulv8hi3_highpart): Ditto.
238 (vec_widen_smult_hi_v8hi): New expander.
239 (vec_widen_smult_lo_v8hi): Ditto.
241 2006-11-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
243 * builtins.c (do_mpfr_arg3): New.
244 (fold_builtin_1): Handle builtins fma, fmin and fmax.
246 2006-11-09 Eric Christopher <echristo@apple.com>
251 * configure.ac: Match powerpc*-*-darwin* for powerpc darwin checks.
252 * config.gcc (powerpc64-*-darwin*): New target.
253 * config.host: Ditto.
254 * config/rs6000/darwin64.h: New file.
255 * config/rs6000/x-darwin64: Ditto.
256 * config/rs6000/host-ppc64-darwin.c: Ditto.
258 2006-11-09 Steve Ellcey <sje@cup.hp.com>
260 * config/ia64/ia64.c (ia64_hpux_init_libfuncs): Use HP-UX millicode
261 routines for integer division.
263 2006-11-09 Daniel Jacobowitz <dan@codesourcery.com>
265 * config/arm/t-linux (LIBGCC2_DEBUG_CFLAGS): Delete.
267 2006-11-09 Serge Belyshev <belyshev@depni.sinp.msu.ru>
270 * fold-const.c (fold_binary) <EQ_EXPR>: Fix typo in variable name.
272 2006-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
274 * simplify-rtx.c (avoid_constant_pool_reference): Avoid calling
275 simplify_subreg with BLKmode outer mode.
277 2006-11-08 Brooks Moses <brooks.moses@codesourcery.com>
279 * doc/invoke.texi: Minor formatting fixes in option lists.
281 2006-11-08 Zdenek Dvorak <dvorakz@suse.cz>
283 PR tree-optimization/29738
284 * tree-ssa-ccp.c: Remove UNKNOWN_VAL from comments.
285 (ccp_lattice_t): Remove UNKNOWN_VAL.
286 (dump_lattice_value, ccp_lattice_meet, ccp_visit_phi_node):
287 Do not handle UNKNOWN_VAL.
288 (get_default_value): Set initial value of virtual operands to
290 (get_value): Always use get_default_value on uninitialized
292 (set_value_varying, surely_varying_stmt_p): New functions.
293 (set_lattice_value): Do not pass argument to get_value.
294 Do not handle UNKNOWN_VAL.
295 (likely_value): Follow the semantics described in the comment.
296 (ccp_initialize): Use surely_varying_stmt_p. Do not mark
297 phi nodes DONT_SIMULATE_AGAIN.
298 (ccp_fold): Do not pass argument to get_value.
299 (fold_const_aggregate_ref, visit_assignment): Ditto. Do not
302 2006-11-08 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
304 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
305 HOST_WIDE_INT_PRINT_DOUBLE_HEX instead of format buffer.
307 2006-11-08 Roger Sayle <roger@eyesopen.com>
309 * tree-ssa-propagate.c (set_rhs): Restructure validity tests as a
310 test for inclusion rather than as a test for exclusion.
311 * tree-ssa-ccp.c (fold_stmt_r) <COND_EXPR>: Use set_rhs to modify
312 the condition after calling fold_binary.
313 * fold-const.c (fold_inf_compare): Remove in_gimple_form check.
314 (fold_binary) <LT_EXPR, GT_EXPR, LE_EXPR, GE_EXPR>: Likewise.
315 * builtins.c (fold_builtin_isascii): Likewise.
316 (fold_builtin_isdigit): Likewise.
318 2006-11-08 Carlos O'Donell <carlos@codesourcery.com>
320 * configure.ac: Do not set PREFIX_INCLUDE_DIR if $prefix is NONE.
321 * configure: Regenerate.
323 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
325 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p): Take
326 enum argument instead of bool.
327 (vect_analyze_operations): Call vectorizable_type_promotion.
328 * tree-vectorizer.h (type_promotion_vec_info_type): New enum
329 stmt_vec_info_type value.
330 (supportable_widening_operation, vectorizable_type_promotion): New
331 function declarations.
332 * tree-vect-transform.c (vect_gen_widened_results_half): New function.
333 (vectorizable_type_promotion): New function.
334 (vect_transform_stmt): Call vectorizable_type_promotion.
335 * tree-vect-analyze.c (supportable_widening_operation): New function.
336 * tree-vect-patterns.c (vect_recog_dot_prod_pattern):
338 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
341 * tree.def (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR):
342 (VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR): New tree-codes.
343 * tree-inline.c (estimate_num_insns_1): Add cases for above new
345 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
346 * expr.c (expand_expr_real_1): Likewise.
347 * optabs.c (optab_for_tree_code): Likewise.
348 (init_optabs): Initialize new optabs.
349 * genopinit.c (vec_widen_umult_hi_optab, vec_widen_smult_hi_optab,
350 vec_widen_smult_hi_optab, vec_widen_smult_lo_optab,
351 vec_unpacks_hi_optab, vec_unpacks_lo_optab, vec_unpacku_hi_optab,
352 vec_unpacku_lo_optab): Initialize new optabs.
353 * optabs.h (OTI_vec_widen_umult_hi, OTI_vec_widen_umult_lo):
354 (OTI_vec_widen_smult_h, OTI_vec_widen_smult_lo, OTI_vec_unpacks_hi,
355 OTI_vec_unpacks_lo, OTI_vec_unpacku_hi, OTI_vec_unpacku_lo): New
357 (vec_widen_umult_hi_optab, vec_widen_umult_lo_optab):
358 (vec_widen_smult_hi_optab, vec_widen_smult_lo_optab):
359 (vec_unpacks_hi_optab, vec_unpacku_hi_optab, vec_unpacks_lo_optab):
360 (vec_unpacku_lo_optab): New optabs.
361 * doc/md.texi (vec_unpacks_hi, vec_unpacks_lo, vec_unpacku_hi):
362 (vec_unpacku_lo, vec_widen_umult_hi, vec_widen_umult_lo):
363 (vec_widen_smult_hi, vec_widen_smult_lo): New.
364 * doc/c-tree.texi (VEC_LSHIFT_EXPR, VEC_RSHIFT_EXPR):
365 (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR, VEC_UNPACK_HI_EXPR):
366 (VEC_UNPACK_LO_EXPR, VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New.
368 * config/rs6000/altivec.md (UNSPEC_VMULWHUB, UNSPEC_VMULWLUB):
369 (UNSPEC_VMULWHSB, UNSPEC_VMULWLSB, UNSPEC_VMULWHUH, UNSPEC_VMULWLUH):
370 (UNSPEC_VMULWHSH, UNSPEC_VMULWLSH): New.
371 (UNSPEC_VPERMSI, UNSPEC_VPERMHI): New.
372 (vec_vperm_v8hiv4si, vec_vperm_v16qiv8hi): New patterns used to
373 implement the unsigned unpacking patterns.
374 (vec_unpacks_hi_v16qi, vec_unpacks_hi_v8hi, vec_unpacks_lo_v16qi):
375 (vec_unpacks_lo_v8hi): New signed unpacking patterns.
376 (vec_unpacku_hi_v16qi, vec_unpacku_hi_v8hi, vec_unpacku_lo_v16qi):
377 (vec_unpacku_lo_v8hi): New unsigned unpacking patterns.
378 (vec_widen_umult_hi_v16qi, vec_widen_umult_lo_v16qi):
379 (vec_widen_smult_hi_v16qi, vec_widen_smult_lo_v16qi):
380 (vec_widen_umult_hi_v8hi, vec_widen_umult_lo_v8hi):
381 (vec_widen_smult_hi_v8hi, vec_widen_smult_lo_v8hi): New widening
382 multiplication patterns.
384 * target.h (builtin_mul_widen_even, builtin_mul_widen_odd): New.
385 * target-def.h (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN):
386 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
387 * config/rs6000/rs6000.c (rs6000_builtin_mul_widen_even): New.
388 (rs6000_builtin_mul_widen_odd): New.
389 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): Defined.
390 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): Defined.
391 * tree-vectorizer.h (enum vect_relevant): New enum type.
392 (_stmt_vec_info): Field relevant chaned from bool to enum
394 (STMT_VINFO_RELEVANT_P): Updated.
395 (STMT_VINFO_RELEVANT): New.
396 * tree-vectorizer.c (new_stmt_vec_info): Use STMT_VINFO_RELEVANT
397 instead of STMT_VINFO_RELEVANT_P.
398 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p):
399 Replace calls to STMT_VINFO_RELEVANT_P with STMT_VINFO_RELEVANT,
400 and boolean variable with enum vect_relevant.
401 (vect_mark_stmts_to_be_vectorized): Likewise + update documentation.
402 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): New.
403 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
405 2006-11-08 Richard Henderson <rth@redhat.com>
407 * config/i386/sse.md (vec_widen_umult_hi_v8hi,
408 vec_widen_umult_lo_v8hi): New.
409 (vec_widen_smult_hi_v4si, vec_widen_smult_lo_v4si,
410 vec_widen_umult_hi_v4si, vec_widen_umult_lo_v4si): New.
412 * config/i386/i386.c (ix86_expand_sse_unpack): New.
413 * config/i386/i386-protos.h (ix86_expand_sse_unpack): New.
414 * config/i386/sse.md (vec_unpacku_hi_v16qi, vec_unpacks_hi_v16qi,
415 vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi, vec_unpacku_hi_v8hi,
416 vec_unpacks_hi_v8hi, vec_unpacku_lo_v8hi, vec_unpacks_lo_v8hi,
417 vec_unpacku_hi_v4si, vec_unpacks_hi_v4si, vec_unpacku_lo_v4si,
418 vec_unpacks_lo_v4si): New.
420 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
422 * tree-vect-transform.c (vectorizable_type_demotion): New function.
423 (vect_transform_stmt): Add case for type_demotion_vec_info_type.
424 (vect_analyze_operations): Call vectorizable_type_demotion.
425 * tree-vectorizer.h (type_demotion_vec_info_type): New enum
426 stmt_vec_info_type value.
427 (vectorizable_type_demotion): New function declaration.
428 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
431 * tree.def (VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New tree-codes.
432 * expr.c (expand_expr_real_1): Add case for VEC_PACK_MOD_EXPR and
434 * tree-iniline.c (estimate_num_insns_1): Likewise.
435 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
436 * optabs.c (optab_for_tree_code): Likewise.
438 * optabs.c (expand_binop): In case of vec_pack_*_optabs the mode
439 compared against the predicate of the result is not 'mode' (the input
440 to the function) but a mode with half the size of 'mode'.
441 (init_optab): Initialize new optabs.
442 * optabs.h (OTI_vec_pack_mod, OTI_vec_pack_ssat, OTI_vec_pack_usat):
444 (vec_pack_mod_optab, vec_pack_ssat_optab, vec_pack_usat_optab): New
446 * genopinit.c (vec_pack_mod_optab, vec_pack_ssat_optab):
447 (vec_pack_usat_optab): Initialize new optabs.
448 * doc/md.texi (vec_pack_mod, vec_pack_ssat, vec_pack_usat): New.
449 * config/rs6000/altivec.md (vec_pack_mod_v8hi, vec_pack_mod_v4si): New.
451 2006-11-08 Richard Henderson <rth@redehat.com>
453 * config/i386/sse.md (vec_pack_mod_v8hi, vec_pack_mod_v4si):
454 (vec_pack_mod_v2di, vec_interleave_highv16qi, vec_interleave_lowv16qi):
455 (vec_interleave_highv8hi, vec_interleave_lowv8hi):
456 (vec_interleave_highv4si, vec_interleave_lowv4si):
457 (vec_interleave_highv2di, vec_interleave_lowv2di): New.
459 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
461 * tree-vect-transform.c (vectorizable_reduction): Support multiple
463 (vect_transform_stmt): Removed redundant code.
465 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
467 * tree-vect-transform.c (vectorizable_operation): Support multiple
470 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
472 * tree-vect-transform.c (vect_align_data_ref): Removed.
473 (vect_create_data_ref_ptr): Added additional argument - ptr_incr.
474 Updated function documentation. Return the increment stmt in ptr_incr.
475 (bump_vector_ptr): New function.
476 (vect_get_vec_def_for_stmt_copy): New function.
477 (vect_finish_stmt_generation): Create a stmt_info to newly created
479 (vect_setup_realignment): Call vect_create_data_ref_ptr with additional
481 (vectorizable_reduction, vectorizable_assignment): Not supported yet if
482 VF is greater than the number of elements that can fit in one vector
484 (vectorizable_operation, vectorizable_condition): Likewise.
485 (vectorizable_store, vectorizable_load): Support the case that the VF
486 is greater than the number of elements that can fit in one vector word.
487 (vect_transform_loop): Don't fail in case of multiple data-types.
488 * tree-vect-analyze.c (vect_determine_vectorization_factor): Don't fail
489 in case of multiple data-types; the smallest type determines the VF.
490 (vect_analyze_data_ref_dependence): Don't record datarefs as same_align
491 if they are of different sizes.
492 (vect_update_misalignment_for_peel): Compare misalignments in terms of
493 number of elements rather than number of bytes.
494 (vect_enhance_data_refs_alignment): Fix/Add dump printouts.
495 (vect_can_advance_ivs_p): Fix a dump printout
497 2006-11-07 Eric Christopher <echristo@apple.com>
499 * libgcc2.c (__bswapdi2): Rename from bswapDI2.
501 * libgcc2.h: Remove transformation of bswap routines.
502 * config/i386/i386.md (bswapsi2): New.
505 2006-11-07 Jakub Jelinek <jakub@redhat.com>
507 * c-common.c (c_common_attributes): Add gnu_inline attribyte.
508 (handle_gnu_inline_attribute): New function.
509 * c-decl.c (diagnose_mismatched_decls): Handle gnu_inline attribute.
510 (merge_decls, start_decl, start_function): Likewise.
511 * doc/extend.texi: Document gnu_inline attribute.
513 2006-11-07 Steve Ellcey <sje@cup.hp.com>
516 * config/ia64/t-hpux (LIB1ASMFUNCS): Filter out _fixtfdi,
517 _fixunstfdi, and _floatditf
519 2006-11-06 Anatoly Sokolov <aesok@post.ru>
521 * config/avr/avr-protos.h (mask_one_bit_p, const_int_pow2_p): Remove
523 * config/avr/avr.c (mask_one_bit_p, const_int_pow2_p): Remove.
524 (output_movhi, ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out,
525 lshrhi3_out, lshrsi3_out): Remove unnecessary code for handling value
526 which start in an odd register.
528 2006-11-07 Richard Sandiford <richard@codesourcery.com>
530 * config/mips/mips.h (ISA_HAS_PREFETCHX): Fix typo.
532 2006-11-07 Josh Conner <jconner@apple.com>
534 * doc/invoke.texi (fstrict-aliasing): Move implementation
536 * doc/tree-ssa.texi (Alias analysis): ...here.
538 2006-11-07 Richard Guenther <rguenther@suse.de>
540 PR tree-optimization/29610
541 * tree-cfgcleanup.c (cleanup_control_flow): Honor return value
542 of tree_purge_dead_eh_edges as it may free dominators.
544 * g++.dg/other/pr29610.C: New testcase.
546 2006-11-07 David Ung <davidu@mips.com>
548 * config/mips/mips.c (mips_rtx_cost_optimize_size): New table of
549 costs when optimizing for size.
550 (override_options): Use mips_rtx_cost_optimize_size table for cost
553 2006-11-07 Jie Zhang <jie.zhang@analog.com>
555 * gcc.c (process_command): Treat -b as normal switch if its argument
558 2006-11-07 David Ung <davidu@mips.com>
560 * config/mips/mips.h (ISA_HAS_PREFETCHX): Add ISA_MIPS32R2 to the
563 2006-11-06 Eric Christopher <echristo@apple.com>
565 * config.gcc: Add x86_64-darwin host support.
566 * config.host: Ditto.
567 * config/i386/darwin64.h: New file.
568 * config/i386/t-darwin64: Ditto.
570 2006-11-06 Janis Johnson <janis187@us.ibm.com>
572 * gcc/doc/sourcebuild.texi (Test Directives): Add output-exists
573 and output-exists-not.
575 2006-11-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
578 * tree-vrp.c (vrp_int_const_binop): Use the correct tree when
579 checking for overflow.
581 2006-11-06 Jan van Dijk <jan@etpmod.phys.tue.nl>
583 * configure.ac: Fixed typo in case statement: :: changed to ;;
585 2006-11-06 Bob Wilson <bob.wilson@acm.org>
587 * longlong.h (__xtensa__): Add definitions for umul_ppmm, __umulsidi3,
588 count_leading_zeros, and count_trailing_zeros.
589 * config/xtensa/xtensa.c (TARGET_INIT_BUILTINS): Define.
590 (TARGET_FOLD_BUILTIN): Define.
591 (TARGET_EXPAND_BUILTIN): Define.
592 (xtensa_init_builtins): New.
593 (xtensa_fold_builtin): New.
594 (xtensa_expand_builtin): New.
595 (xtensa_rtx_costs): Add CTZ and CLZ. Adjust costs for MULT.
596 * config/xtensa/xtensa.h (TARGET_MUL32_HIGH): Define.
597 (CLZ_DEFINED_VALUE_AT_ZERO): Define.
598 (CTZ_DEFINED_VALUE_AT_ZERO): Define.
599 * config/xtensa/xtensa.md (UNSPEC_NSAU): Remove.
600 (any_extend): New code macro.
601 (u, su): New code attributes.
602 (<u>mulsidi3, <u>mulsi3_highpart, clzsi2, ctzsi2): New.
603 (nsau): Remove; replaced by clzsi2.
604 (ffssi2): Use clzsi2.
605 * config/xtensa/t-xtensa (LIB1ASMFUNCS): Add _umulsidi3,
606 _clzsi2, _ctzsi2, and _ffssi2. Rename _nsau to _clz.
607 * config/xtensa/lib1funcs.asm (__mulsi3): Support Mul32 option.
608 (__umulsidi3, __clzsi2, __ctzsi2, __ffssi2): New.
609 (__nsau_data): Guard with ifdef L_clz instead of L_nsau.
611 2006-11-06 Vladimir Prus <vladimir@codesourcery.com>
613 * config/arm/t-strongarm-pe: (TARGET_LIBGCC2_CFLAGS): Do no
615 * config/arm/t-strongarm-elf: Likewise.
616 * config/arm/t-pe: Likewise.
617 * config/arm/t-arm-elf: Likewise.
618 * config/arm/t-xscale-elf: Likewise.
619 * config/arm/t-arm-coff: Likewise.
620 * config/arm/t-xscale-coff: Likewise.
621 * config/arm/t-wince-pe: Likewise.
623 2006-11-05 Kaz Kojima <kkojima@gcc.gnu.org>
625 * config/sh/lib1funcs-4-300.asm: Guard entire file with
628 2006-11-05 Jakub Jelinek <jakub@redhat.com>
631 * fold-const.c (fold_ternary): Fix A < 0 ? <sign bit of A> : 0
634 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
637 * config/i386/i386.c (standard_80387_constant_p): Treat -0.0 and -1.0
638 as a valid 80387 constant.
639 (standard_80387_constant_opcode): Return "#" for -0.0 and -1.0.
640 * config/i386/i386.md (unnamed splitter): Split the load of
641 constant -0.0 or -1.0 into the load of 0.0 or 1.0, followed
644 2006-11-04 Richard Earnshaw <rearnsha@arm.com>
646 * arm.c (thumb_legitimate_addres_p): Allow any constant offset
647 from the soft-frame, argument and virtual registers.
649 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
651 * config/i386/i386.md (*movxf_nointeger, *movxf_integer): Enable
652 patterns for standard 80387 constants.
654 2006-11-03 Paolo Bonzini <bonzini@gnu.org>
655 Steven Bosscher <steven@gcc.gnu.org>
657 * fwprop.c: New file.
658 * Makefile.in: Add fwprop.o.
659 * tree-pass.h (pass_rtl_fwprop, pass_rtl_fwprop_with_addr): New.
660 * passes.c (init_optimization_passes): Schedule forward propagation.
661 * rtlanal.c (loc_mentioned_in_p): Support NULL value of the second
663 * timevar.def (TV_FWPROP): New.
664 * common.opt (-fforward-propagate): New.
665 * opts.c (decode_options): Enable forward propagation at -O2.
666 * gcse.c (one_cprop_pass): Do not run local cprop unless touching jumps.
667 * cse.c (fold_rtx_subreg, fold_rtx_mem, fold_rtx_mem_1, find_best_addr,
668 canon_for_address, table_size): Remove.
669 (new_basic_block, insert, remove_from_table): Remove references to
671 (fold_rtx): Process SUBREGs and MEMs with equiv_constant, make
672 simplification loop more straightforward by not calling fold_rtx
674 (equiv_constant): Move here a small part of fold_rtx_subreg,
675 do not call fold_rtx. Call avoid_constant_pool_reference
677 * recog.h (canonicalize_change_group): New.
679 * doc/invoke.texi (Optimization Options): Document fwprop.
680 * doc/passes.texi (RTL passes): Document fwprop.
682 2006-11-03 Geoffrey Keating <geoffk@apple.com>
684 * c-decl.c (WANT_C99_INLINE_SEMANTICS): New, set to 1.
685 (merge_decls): Implement WANT_C99_INLINE_SEMANTICS.
686 (grokdeclarator): Likewise.
688 2006-11-03 Steven Bosscher <steven@gcc.gnu.org>
690 * tree-dump.c (dump_enable_all): Rename local variable
691 ir_type to avoid name conflicts.
692 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Check for IR_GIMPLE
693 instead of using ir_type().
694 * profile.c (tree_register_profile_hooks): Likewise.
695 * value-prof.c (tree_register_value_prof_hooks): Likewise.
696 * basic-block.h (struct edge_def): Likewise.
697 * config/arm/arm.c (legitimize_pic_address): Likewise.
698 * coretypes.h (ir_type): New enum of all intermediate languages
700 * cfghooks.c (ir_type): Rename to...
701 (current_ir_type): ...this. Distinguish between cfgrtl and
702 cfglayout mode when the current IR is RTL. Return enum ir_type.
703 * cfghooks.h (ir_type): Replace with current_ir_type prototype.
705 2006-11-03 Paul Brook <paul@codesourcery.com>
707 * config/arm/arm.c (arm_file_start): New function.
708 (TARGET_ASM_FILE_START): Define.
709 (arm_default_cpu): New variable.
710 (arm_override_options): Set arm_default_cpu.
712 2006-11-03 David Ung <davidu@mips.com>
714 * config/mips/mips.h (processor_type): Removed PROCESSOR_24K, add
715 PROCESSOR_24KC and PROCESSOR_24KF.
716 * config/mips/mips.c (mips_cpu_info_table): Add processor names
717 and aliases for 4kec/4kem/4kep/24kec/24kef/24kex/34kc/34kf/34kx.
718 (mips_rtx_cost_data): Add costs for the 24kc.
719 * config/mips/mips.md ("cpu"): Remove 24k, add 24kc and 24kf.
720 * config/mips/24k.md: Remove references to 24k and replace with
721 uses of 24kc/24kf in the appropriate reservations.
722 * doc/invoke.texi (MIPS Options): Updated.
724 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
726 * config/sh/crt1.asm: Fix #ifdef indent.
728 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
729 Merged from STMicroelectronics sources:
730 2006-10-06 Andrew Stubbs <andrew.stubbs@st.com>
731 * config/sh/crt1.asm (vbr_600): Add missing #if.
732 2006-08-03 J"orn Rennecke <joern.rennecke@st.com>
733 * sh.opt (mfused-madd): New option.
734 * sh.md (mac_media, macsf3): Make conditional on TARGET_FMAC.
735 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
736 * config/sh/crt1.asm (vbr_start): Move to new section .test.vbr.
737 Remove pointless handler at VBR+0.
738 (vbr_200, vbr_300, vbr_500): Remove pointless handler.
739 (vbr_600): Save and restore mach and macl, fpul and fpscr and fr0 to
740 fr7. Make sure the timer handler is called with the correct FPU
741 precision setting, according to the ABI.
742 2006-06-14 J"orn Rennecke <joern.rennecke@st.com>
743 * config/sh/sh.opt (m2a-single, m2a-single-only): Fix Condition.
744 * config/sh/sh.h (SUPPORT_SH2A_NOFPU): Fix condition.
745 (SUPPORT_SH2A_SINGLE_ONLY, SUPPORT_SH2A_SINGLE_ONLY): Likewise.
746 2006-06-09 J"orn Rennecke <joern.rennecke@st.com>
747 * sh.md (cmpgeusi_t): Change into define_insn_and_split. Accept
748 zero as second operand.
749 2006-04-28 J"orn Rennecke <joern.rennecke@st.com>
750 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
751 Fixed some bugs related to negative values, in particular -0
752 and overflow at -0x80000000.
753 * config/sh/divcost-analysis: Added sh4-300 figures.
754 2006-04-27 J"orn Rennecke <joern.rennecke@st.com>
755 * config/sh/t-sh (MULTILIB_MATCHES): Add -m4-300* / -m4-340 options.
756 2006-04-26 J"orn Rennecke <joern.rennecke@st.com>
757 * config/sh/t-sh (OPT_EXTRA_PARTS): Add libgcc-4-300.a.
758 ($(T)div_table-4-300.o, $(T)libgcc-4-300.a): New rules.
759 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
761 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-4-300 for -m4-300* /
763 2006-04-24 J"orn Rennecke <joern.rennecke@st.com>
764 SH4-300 scheduling description & fixes to SH4-[12]00 description:
765 * sh.md: New instruction types: fstore, movi8, fpscr_toggle, gp_mac,
766 mac_mem, mem_mac, dfp_mul, fp_cmp.
767 (insn_class, dfp_comp, any_fp_comp): Update.
768 (push_fpul, movsf_ie, fpu_switch, toggle_sz, toggle_pr): Update type.
769 (cmpgtsf_t, "cmpeqsf_t, cmpgtsf_t_i4, cmpeqsf_t_i4): Likewise.
770 (muldf3_i): Likewise.
771 (movsi_i): Split rI08 alternative into two separate alternatives.
773 (movsi_ie, movsi_i_lowpart): Likewise.
774 (movqi_i): Split ri alternative into two separate alternatives.
776 * sh1.md (sh1_load_store, sh1_fp): Update.
777 * sh4.md (sh4_store, sh4_mac_gp, fp_arith, fp_double_arith): Update.
778 (mac_mem, sh4_fpscr_toggle): New insn_reservations.
779 * sh4a.md (sh4a_mov, sh4a_load, sh4a_store, sh4a_fp_arith): Update.
780 (sh4a_fp_double_arith): Likewise.
781 * sh4-300.md: New file.
782 * sh.c (sh_handle_option): Handle m4-300* options.
783 (sh_adjust_cost): Fix latency of auto-increments.
784 Handle SH4-300 differently than other SH4s. Check for new insn types.
785 * sh.h (OVERRIDE_OPTIONS): Initilize sh_branch_cost if it has not
786 been set by an option.
787 * sh.opt (m4-300, m4-100-nofpu, m4-200-nofpu): New options.
788 (m4-300-nofpu, -m4-340, m4-300-single, m4-300-single-only): Likewise.
789 (mbranch-cost=): Likewise.
790 * superh.h (STARTFILE_SPEC): Take -m4-340 into account.
792 * sh.md (mulsf3): Remove special expansion code.
793 (mulsf3_ie): Now a define_insn_and_split.
794 (macsf3): Allow for TARGET_SH4.
796 * sh.md (cbranchsi4, cbranchdi4, cbranchdi4_i): New patterns.
797 * sh.c (prepare_cbranch_operands, expand_cbranchsi4): New functions.
798 (expand_cbranchdi4): Likewise.
799 (sh_rtx_costs): Give lower cost for certain CONST_INT values and for
800 CONST_DOUBLE if the outer code is COMPARE.
801 * sh.h (OPTIMIZATION_OPTIONS): If not optimizing for size, set
802 TARGET_CBRANCHDI4 and TARGET_EXPAND_CBRANCHDI4.
803 (OVERRIDE_OPTIONS): For TARGET_SHMEDIA, clear TARGET_CBRANCHDI4.
804 (LEGITIMATE_CONSTANT_P): Also allow DImode and VOIDmode CONST_DOUBLEs.
805 Remove redundant fp_{zero,one}_operand checks.
806 * sh.opt (mcbranchdi, mexpand-cbranchdi, mcmpeqdi): New options.
807 * sh-protos.h (prepare_cbranch_operands, expand_cbranchsi4): Declare.
808 (expand_cbranchdi4): Likewise.
809 2006-04-20 J"orn Rennecke <joern.rennecke@st.com>
810 * sh.h (LOCAL_ALIGNMENT): Use DATA_ALIGNMENT.
812 2006-11-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
814 * doc/md.texi (RS6000 constraints): Document H, Z, a, t, and W
817 2006-11-02 Brooks Moses <brooks.moses@codesourcery.com>
819 * doc/invoke.texi: Fix mfp-trap-mode typo.
821 2006-11-02 Carlos O'Donell <carlos@codesourcery.com>
823 * config/arm/linux-elf.h (NEED_INDICATE_EXEC_STACK): Define as 1.
824 * arm.c (arm_file_end): If NEED_INDICATE_EXEC_STACK call
825 file_end_indicate_exec_stack.
826 * arm.h [!NEED_INDICATE_EXEC_STACK] (NEED_INIDCATE_EXEC_STACK):
828 * lib1funcs.asm [__ELF__ && __linux__]: Emit .note.GNU-stack section
829 for a non-executable stack.
830 * crti.asm: Likewise.
831 * crtn.asm: Likewise.
832 * libunwind.S: Likewise.
834 2006-11-02 Ben Elliston <bje@au.ibm.com>
836 * tree-ssa.c (warn_uninit): Use expand_location variables for
837 locus and declaration locus.
839 2006-11-02 Kaz Kojima <kkojima@gcc.gnu.org>
842 * config/sh/sh.md (cmp{eq,gt,gtu}{si,di}_media): Remove.
843 (cmpsi{eq,gt,gtu}{si,di}_media): Rename to
844 cmp{eq,gt,gtu}{si,di}_media.
845 (*cmpne0si_media): Remove.
846 (*movsicc_umin): Adjust gen_cmp*_media call.
847 (unordered): Change the mode of unordered and operands[1] to
849 (seq): Adjust gen_cmp*_media calls. Make the mode of
850 a temporary result of compare SImode if needed. If the mode
851 of operands[0] is DImode, extend the temporary result to DImode.
852 (slt, sle, sgt, sge, sgtu, sltu, sleu, sgue, sne): Likewise.
853 (sunorderd): Change the mode of match_operand and unorderd to
855 (cmpeq{sf,df}_media): Remove.
856 (cmpsieq{sf,df}_media): Rename to cmpeq{sf,df}_media.
857 (cmp{gt,ge,un}{sf,df}_media): Change the mode of match_operand
858 and compare operation to SImode.
860 2006-11-02 Eric Botcazou <ebotcazou@libertysurf.fr>
862 * doc/install.texi (sparc-sun-solaris2*): Update GMP/MPFR build
864 (sparc64-sun-solaris2*): Likewise.
866 2006-11-02 Paul Brook <paul@codesourcery.com>
868 * config/arm/arm.c (arm_elf_asm_constructor): Remove ATTRIBUTE_UNUSED
869 from priority argument. Use different section for non-default
871 * config/arm/elf.h: Remove definition of SUPPORTS_INIT_PRIORITY.
873 2006-11-02 Eric Botcazou <ebotcazou@adacore.com>
876 * except.c (switch_to_exception_section): Do not cache the section
877 if named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
878 and flag_function_sections is set.
880 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
883 * builtins.c (do_mpfr_sincos): New.
884 (fold_builtin_1): Use it to fold builtin sincos.
886 2006-11-01 Roger Sayle <roger@eyesopen.com>
888 * config/darwin.h (CPP_SPEC): Handle -pthread, transforming
889 it into -D_REENTRANT.
891 2006-11-01 Roger Sayle <roger@eyesopen.com>
893 * configure.ac (HAVE_AS_IX86_DIFF_SECT_DELTA): New test to determine
894 whether the assembler supports taking the difference of symbols in
895 different sections. On x86/Solaris, GAS does but Solaris as doesn't.
896 * configure: Regenerate.
897 * config.in: Regenerate.
898 * config/i386/sol2-10.h (JUMP_TABLES_IN_TEXT_SECTION): Define if
899 the assembler doesn't support taking the difference of symbols in
900 different sections, i.e. we're using the native solaris assembler.
902 2006-11-01 Pete Steinmetz <steinmtz@us.ibm.com>
903 Peter Bergner <bergner@vnet.ibm.com>
905 * doc/invoke.texi: Add cpu_type power6x
906 (RS/6000 and PowerPC Options): Add -mmfpgpr.
907 * config.gcc: Add cpu_type power6x.
908 * configure.ac: Add test for mf{t,f}gpr instructions.
909 (HAVE_AS_MFPGPR): New.
910 * config.in: Regenerate.
911 * configure: Regenerate.
912 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
913 * config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
914 shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
915 and mftgpr attributes.
916 (define_attr "cpu"): Add power6.
917 Change instruction sequences to use new attributes.
918 (floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
919 (fix_truncdfsi2_mfpgpr): New.
920 (floatsidf_ppc64_mfpgpr): New.
921 (floatsidf_ppc64): Added !TARGET_MFPGPR condition.
922 (movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
923 (movdf_hardfloat64): Added !TARGET_MFPGPR condition.
924 (movdi_internal64): Added !TARGET_MFPGPR and related conditions.
925 (fix_truncdfsi2): Use gpc_reg_operand constraint.
926 * config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
927 7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
928 Add descriptions for insert_dword, shift,trap,var_shift_rotate,
929 cntlz,exts and var_delayed_compare.
930 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
931 _ARCH_PWR6X, if features enabled.
932 * config/rs6000/rs6000.opt (mmfpgpr): New.
933 * config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
934 (cached_can_issue_more): New variable.
935 (processor_costs): Add power6_cost.
936 (rs6000_sched_init): New function.
937 (is_dispatch_slot_restricted): Deleted.
938 (set_to_load_agen): New function.
939 (is_load_insn,is_store_insn): New functions.
940 (adjacent_mem_locations): New function.
941 (insn_must_be_first_in_group): New function.
942 (insn_must_be_last_in_group): New function.
943 (rs6000_sched_reorder): New function.
944 (rs6000_sched_reorder2): New function.
945 (TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
946 TARGET_SCHED_REORDER2): Define.
947 (processor_target_table): Use PROCESSOR_POWER6 for power6.
948 Add power6x. Add MASK_MFPGPR for power6x.
949 (POWERPC_MASKS): Add MASK_MFPGPR.
950 (rs6000_override_options): Set rs6000_always_hint to false
951 for power6. Set rs6000_align_branch_targets. Replace
952 rs6000_sched_groups check with rs6000_align_branch_targets.
953 Use PROCESSOR_POWER6.
954 (last_scheduled_insn): New variable.
955 (load_store_pendulum): New variable.
956 (rs6000_variable_issue): Set last_scheduled_insn and
957 cached_can_issue_more.
958 (rs6000_adjust_cost): Add power6 cost adjustments.
959 (rs6000_adjust_priority): Replace is_dispatch_slot_restricted
960 with insn_must_be_first_in_group. Add power6 priority adjustments.
961 (rs6000_issue_rate): Add CPU_POWER6.
962 (insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
963 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
964 (TARGET_MFPGPR): New.
965 (SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
966 (ASM_CPU_SPEC): Add power6x.
967 (SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
969 * config/rs6000/power6.md: New file.
971 2006-11-01 Adam Nemet <anemet@caviumnetworks.com>
973 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
974 HOST_WIDE_INT_PRINT to print high and low parts. Use
975 HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT. When
976 printing a hexadecimal number prefix it with 0x.
978 2006-11-01 Chris Johns <chris@contemporary.net.au>
981 * Makefile.in (install-driver): Use exeext when installing
982 $target-gcc-$version.
984 2006-11-01 Douglas Gregor <doug.gregor@gmail.com>
986 * c-common.c (flag_cpp0x): New.
987 * c-common.h (flag_cpp0x): New.
988 * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
989 supported, define __GXX_EXPERIMENTAL_CPP0X__.
990 * c-opts.c (set_std_cxx0x): New.
991 (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
992 * c.opt (std=c++0x): Document.
993 (std=gnu++0x): Ditto.
994 * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
995 * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
997 2006-11-01 Richard Guenther <rguenther@suse.de>
999 * config/i386/i386.c (ix86_expand_rint): Fix issues with
1001 (ix86_expand_floorceildf_32): Likewise.
1002 (ix86_expand_floorceil): Likewise.
1003 (ix86_expand_trunc): Likewise.
1005 2006-10-31 Andrew Pinski <pinskia@gmail.com>
1007 * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
1010 2006-11-01 Danny Smith <dannysmith@users.sourceforge.net>
1012 * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
1014 * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
1016 * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
1018 * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
1019 * configure.ac (use_cxa_atexit): As a special case, don't test
1020 for libc definition of __cxa_atexit on mingw32
1021 * configure: Regenerate.
1022 * config.gcc (i[34567]86-pc-mingw32): Default to
1023 enable__cxa_atexit=yes.
1025 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1027 * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
1029 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1032 * c-decl.c (start_struct): Don't create self-containing
1034 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
1036 * config/rs6000/rs6000-protos.h
1037 (darwin_rs6000_special_round_type_align): New.
1038 * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
1039 (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
1041 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1043 * toplev.c (compile_file): Call final_write_globals
1044 even if there have been errors.
1046 2006-10-31 Eric Christopher <echristo@apple.com>
1047 Falk Hueffner <falk@debian.org>
1049 * doc/extend.texi (__builtin_bswap32): Document.
1050 (__builtin_bswap64): Ditto.
1051 * doc/libgcc.texi (bswapsi2): Document.
1053 * doc/rtl.texi (bswap): Document.
1054 * optabs.c (expand_unop): Don't widen a bswap.
1055 (init_optabs): Init bswap. Set libfuncs explicitly
1056 for bswapsi2 and bswapdi2.
1057 * optabs.h (OTI_bswap): New.
1058 (bswap_optab): Ditto.
1059 * genopinit.c (optabs): Handle bswap_optab.
1060 * tree.h (tree_index): Add TI_UINT32_TYPE and
1062 (uint32_type_node): New.
1063 (uint64_type_node): Ditto.
1064 * tree.c (build_common_tree_nodes_2): Initialize
1065 uint32_type_node and uint64_type_node.
1066 * builtins.c (expand_builtin_bswap): New.
1067 (expand_builtin): Call.
1068 (fold_builtin_bswap): New.
1069 (fold_builtin_1): Call.
1070 * fold-const.c (tree_expr_nonnegative_p): Return true
1072 * builtin-types.def (BT_UINT32): New.
1074 (BT_FN_UINT32_UINT32): Ditto.
1075 (BT_FN_UINT64_UINT64): Ditto.
1076 * builtins.def (BUILT_IN_BSWAP32): New.
1077 (BUILT_IN_BSWAP64): Ditto.
1078 * rtl.def (BSWAP): New.
1079 * genattrtab.c (check_attr_value): New.
1080 * libgcc2.c (__bswapSI2): New.
1081 (__bswapDI2): Ditto.
1082 * libgcc2.h (__bswapSI2): Declare.
1083 (__bswapDI2): Ditto.
1084 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
1085 * simplify-rtx.c (simplify_const_unary_operation): Return
1087 * libgcc-std.ver (__bwapsi2): Add.
1088 (__bswapdi2): Ditto.
1089 * reload1.c (eliminate_regs_1): Add bswap.
1090 (elimination_effects): Ditto.
1091 * config/i386/i386.h (x86_bswap): New.
1092 (TARGET_BSWAP): Use.
1093 * config/i386/i386.c (x86_bswap): Set.
1095 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1097 * coverage.c (coverage_checksum_string): Update comment.
1098 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
1099 of get_file_function_name.
1100 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
1101 of get_file_function_name_long.
1102 * tree.c (get_file_function_name): Rename from
1103 get_file_function_name_long; improve comment; handle 'I' and 'D'
1104 specially when the target has ctor/dtor support; remove special
1106 (get_file_function_name): Remove.
1107 * tree.h (get_file_function_name): Rename from
1108 get_file_function_name_long.
1109 (get_file_function_name): Remove prototype.
1111 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1113 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
1114 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
1116 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
1117 Call dsymutil when compiling and linking one or more source files
1120 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1123 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
1125 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1127 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
1128 inline static functions in c99 mode.
1131 * doc/extend.texi (Inline): Update.
1132 * c-tree.h (struct language_function): Remove field 'extern_inline'.
1133 * c-decl.c (current_extern_inline): Delete.
1134 (pop_scope): Adjust test for an undefined nested function.
1135 Add warning about undeclared inline function.
1136 (diagnose_mismatched_decls): Update comments. Disallow overriding
1137 of inline functions in a translation unit in C99. Allow inline
1138 declarations in C99 at any time.
1139 (merge_decls): Boolize variables. Handle C99 'extern inline'
1141 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
1142 C99 inline semantics.
1143 (start_function): Don't clear current_extern_inline. Don't set
1145 (c_push_function_context): Don't push current_extern_inline.
1146 (c_pop_function_context): Don't restore current_extern_inline.
1149 * c-typeck.c (build_external_ref): Warn about static variables
1150 used in extern inline functions.
1151 * c-decl.c (start_decl): Warn about static variables declared
1152 in extern inline functions.
1154 2006-10-31 Roger Sayle <roger@eyesopen.com>
1157 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
1158 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
1159 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
1160 or y is an even integer.
1162 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
1165 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
1166 * gthr-posix95.h (__gthread_active_p): Likewise.
1168 2006-10-31 Richard Guenther <rguenther@suse.de>
1170 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
1171 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
1172 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
1173 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
1174 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
1175 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
1176 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
1177 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
1180 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
1182 * opts.c (decode_options): Disable CSE skip blocks.
1184 2006-10-30 Dirk Mueller <dmueller@suse.de>
1186 * c-common.h (strict_aliasing_warning): Fix whitespace.
1187 * c-decl (start_function): Move code for main decl warning ..
1188 * c-common.c (check_main_parameter_types): .. here.
1189 * c-common.h (check_main_parameter_types): Declare.
1191 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1194 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
1196 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
1198 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
1199 be a PARALLEL containing sets. Return false when out_pat is not
1202 2006-10-30 Richard Sandiford <richard@codesourcery.com>
1204 * config/mips/mips.md (mul<mode>3): Split into...
1205 (mulsi3, muldi3): ...these separate patterns.
1207 2006-10-30 Richard Sandiford <richard@codesourcery.com>
1209 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
1210 but with each set of options separated by spaces.
1212 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
1214 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
1215 dwarf_reg_size_table has been initialized.
1217 2006-10-30 Roger Sayle <roger@eyesopen.com>
1219 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
1220 * ddg.c (print_ddg_edge): Likewise.
1221 * dwarf2out.c (prune_unused_types_walk): Likewise.
1222 * ifcvt.c (noce_try_cmove_arith): Likewise.
1223 * langhooks.c (add_builtin_function): Likewise.
1224 * reg-stack.c (subst_stack_regs_pat): Likewise.
1225 * tree.c (expanded_location): Likewise.
1226 * tree-dump.c (dequeue_and_dump): Likewise.
1228 2006-10-30 David Daney <ddaney@avtrex.com>
1230 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
1232 2006-10-30 Jakub Jelinek <jakub@redhat.com>
1234 PR tree-optimization/29637
1235 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
1236 of the innertype is the innertype itself.
1238 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
1240 * dwarf2out.c (file_name_acquire): Correct typo.
1242 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
1244 * tree.h (tree_value_handle): Remove struct value_set declaration.
1245 Change value_set to bitmap_set.
1246 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
1247 * tree-vn.c (get_value_handle): Made inline and moved to
1249 * tree-flow-inline.h: (has_stmt_ann): New function.
1250 * tree-ssa-pre.c (expressions): New variable.
1251 (next_expression_id): Ditto.
1252 (alloc_expression_id): New function.
1253 (struct value_set): Remove.
1254 (get_expression_id): New function.
1255 (get_or_alloc_expression_id): Ditto.
1256 (expression_for_id): Ditto.
1257 (clear_expression_ids): Ditto.
1258 (FOR_EACH_EXPR_ID_IN_SET): New macro.
1259 (bb_value_sets): Renamed to bb_bitmap_sets.
1260 All value sets replaced with bitmap_sets.
1262 (BB_VISITED): New macro.
1263 (postorder): New variable.
1264 (add_to_value): Removed.
1265 (value_exists_in_set_bitmap): Ditto.
1266 (value_insert_into_set_bitmap): Ditto.
1269 (set_remove): Ditto.
1270 (set_contains_value): Ditto.
1271 (insert_into_set): Ditto.
1273 (find_leader): Ditto.
1274 (bitmap_set_subtract_from_value_set): Ditto.
1275 (value_insert_into_set): Ditto.
1276 (print_value_set): Ditto.
1277 (debug_value_set): Ditto.
1278 (constant_expr_p): New function.
1279 (bitmap_remove_from_set): Ditto.
1280 (bitmap_insert_into_set): Ditto.
1281 (bitmap_set_free): Ditto.
1282 (vh_compare): Ditto.
1283 (sorted_array_from_bitmap_set): Ditto.
1284 (bitmap_set_subtract): Ditto.
1285 (bitmap_set_equal): Ditto.
1286 (debug_bitmap_set): Ditto.
1287 (find_leader_in_sets): Ditto.
1288 (bitmap_set_replace_value): Modify for bitmapped sets.
1289 (phi_translate): Ditto.
1290 (phi_translate_set): Ditto.
1291 (bitmap_find_leader): Ditto.
1292 (valid_in_sets): Ditto.
1293 (union_contains_value): Ditto.
1295 (compute_antic_aux): Ditto. Mark changed blocks.
1296 (compute_antic): Ditto. Iterate in postorder and only over
1298 (compute_rvuse_and_antic_safe): Reuse postorder.
1299 (create_component_ref_by_pieces): Modify for bitmapped sets.
1300 (find_or_generate_expression): Ditto.
1301 (create_expression_by_pieces): Ditto.
1302 (insert_into_preds_of_block): Ditto.
1303 (changed_blocks): New variable.
1304 (do_regular_insertion): Broken out from insert_aux.
1305 (insert_aux): Modified for bitmapped sets.
1306 (find_existing_value_expr): New function.
1307 (create_value_expr_from): Use it.
1308 (insert_extra_phis): Removed.
1309 (print_bitmap_set): Renamed from bitmap_print_value_set.
1310 (compute_avail): Handle RETURN_EXPR.
1311 (init_pre): Modify for bitmapped sets.
1312 * tree-flow.h (has_stmt_ann): New function.
1314 2006-10-29 Roger Sayle <roger@eyesopen.com>
1316 * builtins.c (fold_builtin_floor): Check for the availability of
1317 the C99 trunc function before transforming floor into trunc.
1319 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1321 * builtins.c (fold_builtin_hypot): Rearrange recursive
1322 transformation before others, and also do ABS_EXPR. When
1323 necessary, check flag_unsafe_math_optimizations. When necessary,
1326 2006-10-29 Roger Sayle <roger@eyesopen.com>
1328 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
1329 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
1330 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
1331 Fold -X eq/ne -Y as X eq/ne Y.
1333 2006-10-29 Richard Sandiford <richard@codesourcery.com>
1335 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
1336 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
1337 rather than GENERATE_MULT3_SI in the various define_peephole2s.
1338 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
1339 Use an inclusive test for "mult" rather than "mul".
1340 (rotr<mode>3): Depend on ISA_HAS_ROR.
1341 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
1343 (GENERATE_MULT3_DI): Delete.
1344 (ISA_HAS_64BIT_REGS): Use consistent formatting.
1345 (ISA_HAS_MUL3): New macro.
1346 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
1347 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
1348 (ISA_HAS_CLZ_CLO): Likewise.
1349 (ISA_HAS_DCLZ_DCLO): Delete.
1350 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
1351 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
1352 the VR4120 and VR4130.
1353 (ISA_HAS_MACCHI): Use consistent formatting.
1354 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
1355 (ISA_HAS_ROR): ...this new macro.
1356 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
1357 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
1358 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
1360 2006-10-29 Roger Sayle <roger@eyesopen.com>
1362 PR tree-optimization/15458
1363 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
1366 2006-10-29 Richard Guenther <rguenther@suse.de>
1368 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
1369 (ix86_expand_truncdf_32): Likewise.
1370 * config/i386/i386.c (ix86_expand_trunc): New function expanding
1371 trunc inline for SSE math and -fno-trapping-math and if not
1372 optimizing for size.
1373 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
1374 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
1375 for expanding btrunc inline for SSE math.
1377 2006-10-29 Joseph Myers <joseph@codesourcery.com>
1379 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
1380 Handle tuning for bi-arch i[34567]86-*-linux* like that for
1381 i[34567]86-*-solaris2.1[0-9]*.
1382 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
1383 Define conditionally depending on TARGET_64BIT_DEFAULT.
1384 (SPEC_32, SPEC_64): Define.
1385 (LINK_SPEC): Use them.
1386 * doc/install.texi (--enable-targets=all): Document for x86-linux.
1388 2006-10-29 Richard Guenther <rguenther@suse.de>
1390 * config/i386/i386-protos.h (ix86_expand_round): Declare.
1391 (ix86_expand_rounddf_32): Likewise.
1392 * config/i386/i386.c (ix86_expand_round): New function expanding
1393 round inline for SSE math and -fno-trapping-math and if not
1394 optimizing for size.
1395 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
1396 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
1397 round via ix86_expand_round.
1399 2006-10-29 Richard Guenther <rguenther@suse.de>
1401 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
1402 (ix86_expand_floorceildf_32): Likewise.
1403 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
1404 static helper function.
1405 (ix86_expand_floorceil): Expander for floor and ceil to SSE
1407 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
1408 * config/i386/i386.md (floordf2): Adjust to enable floor
1409 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
1410 -fno-trapping-math is enabled and if not optimizing for size.
1411 (floorsf2, ceildf2, ceilsf2): Likewise.
1412 * config/i386/sse.md (sse_maskcmpsf3): New insn.
1413 (sse2_maskcmpdf3): Likewise.
1415 2006-10-29 Richard Guenther <rguenther@suse.de>
1417 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
1418 rint in case -fno-trapping-math is enabled.
1419 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
1420 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
1421 (ix86_expand_sse_fabs): Likewise.
1422 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
1423 * config/i386/i386.md (rintdf2): Enable for SSE math if
1424 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
1425 (rintsf2): Likewise.
1427 2006-10-29 Richard Guenther <rguenther@suse.de>
1429 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
1430 to conversion optabs.
1431 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
1432 as conversion optab.
1433 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
1434 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
1435 (lfloor_optab, lceil_optab): Adjust defines.
1436 * builtins.c (expand_builtin_int_roundingfn): Adjust for
1437 lfloor and lceil optabs now being conversion optabs.
1438 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
1439 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
1440 New static helper function.
1441 (ix86_expand_lfloorceil): New function to expand lfloor and
1443 * config/i386/i386.md (lfloor<mode>2): Split into ...
1444 (lfloorxf<mode>2): ... x87 variant
1445 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
1446 using ix86_expand_lfloorceil.
1447 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
1449 * doc/md.texi (lfloorMN, lceilMN): Document.
1451 2006-10-29 Richard Sandiford <richard@codesourcery.com>
1453 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
1454 -mno-shared assembler option on mips targets.
1455 * configure, config.in: Regenerate.
1456 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
1457 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
1458 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
1460 2006-10-29 Richard Sandiford <richard@codesourcery.com>
1462 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
1463 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
1465 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
1467 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
1468 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
1471 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1474 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
1475 (fold_builtin_pow): Evaluate constant arguments at compile-time
1477 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
1478 (do_mpfr_ckconv): New helper function.
1479 (do_mpfr_arg1): Use do_mpfr_ckconv.
1480 (do_mpfr_arg2): New.
1482 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
1485 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
1486 (-fdump-rtl-sched): Rename to ..
1487 (-fdump-rtl-sched1): here. Also fix file extension number.
1489 2006-10-28 Richard Guenther <rguenther@suse.de>
1491 * fold-const.c (maybe_canonicalize_comparison): Fix code
1494 2006-10-28 Uros Bizjak <uros@kss-loka.si>
1496 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
1497 (NON_QI_REG_P): Use IN_RANGE.
1498 (REX_INT_REGNO_P): Use IN_RANGE.
1499 (FP_REGNO_P): Use IN_RANGE.
1500 (SSE_REGNO_P): Use IN_RANGE.
1501 (REX_SSE_REGNO_P): Use IN_RANGE.
1502 (MMX_REGNO_P): Use IN_RANGE.
1503 (STACK_REGNO_P): New macro.
1504 (STACK_REG_P): Use STACK_REGNO_P.
1505 (NON_STACK_REG_P): Use STACK_REGNO_P.
1506 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
1507 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
1508 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
1509 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
1510 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
1512 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
1514 * except.h (output_function_exception_table): Add 'const char*' param.
1515 * except.c (switch_to_exception_section): Add 'const char*' param.
1516 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
1517 and flag_function_sections is set, use a function-specific section.
1518 (output_function_exception_table): Add 'const char*' param.
1519 Adjust call to switch_to_exception_section.
1520 * final.c (rest_of_handle_final): Adjust calls to
1521 output_function_exception_table.
1522 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
1523 * config.in: Regenerate.
1524 * configure: Likewise.
1526 2006-10-28 Richard Guenther <rguenther@suse.de>
1529 * fold-const.c (maybe_canonicalize_comparison_1): Helper
1530 for maybe_canonicalize_comparison.
1531 (maybe_canonicalize_comparison): New function for canonicalizing
1533 (fold_comparison): Call it to canonicalize comparisons with
1536 2006-10-28 Richard Guenther <rguenther@suse.de>
1539 * builtins.c (expand_builtin_int_roundingfn_2): Expand
1540 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
1541 (expand_builtin): Adjust likewise.
1542 * genopinit.c (optabs[]): Add lround optab.
1543 * optabs.c (init_optabs): Initialize lround_optab.
1544 * optabs.h (enum convert_optab_index): Add COI_lround.
1545 (lround_optab): Define.
1546 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
1547 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
1549 (ix86_expand_lround): New function.
1550 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
1552 * doc/md.texi (lroundMN2): Document.
1554 2006-10-28 Uros Bizjak <uros@kss-loka.si>
1557 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
1558 argument to HOST_WIDE_INT. Update function prototype.
1559 (round_frame_size): Change return type to HOST_WIDE_INT. Change
1560 "size" argument to HOST_WIDE_INT. Update function prototype.
1562 2006-10-28 Uros Bizjak <uros@kss-loka.si>
1564 * config/i386/i386.c (output_387_ffreep): Create output from a
1565 template string for !HAVE_AS_IX86_FFREEP.
1567 2006-10-27 Eric Christopher <echristo@apple.com>
1569 * config/darwin.c: Fix formatting and grammar.
1571 2006-10-27 Jan Hubicka <jh@suse.cz>
1573 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
1574 to be thrown away soon when IGNORE is set.
1575 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
1576 indicating when return value shall not be computed.
1577 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
1579 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
1581 * config/i386/i386.h (TARGET_GEODE):
1582 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
1583 (TARGET_CPU_DEFAULT_geode): New macro.
1584 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
1585 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
1586 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
1587 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
1588 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
1590 (TARGET_CPU_DEFAULT_NAMES): Add geode.
1591 (processor_type): Add PROCESSOR_GEODE.
1593 * config/i386/i386.md: Include geode.md.
1596 * config/i386/i386.c (geode_cost): New initialized global
1598 (m_GEODE, m_K6_GEODE): New macros.
1599 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
1600 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
1601 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
1602 x86_schedule): Use m_K6_GEODE instead of m_K6.
1603 (x86_movx, x86_cmove): Set up m_GEODE.
1604 (x86_integer_DFmode_moves): Clear m_GEODE.
1605 (processor_target_table): Add entry for geode.
1606 (processor_alias_table): Ditto.
1608 * config/i386/geode.md: New file.
1610 * doc/invoke.texi: Add entry about geode processor.
1612 2006-10-27 Mike Stump <mrs@apple.com>
1614 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
1615 __DYNAMIC__ from here back to ...
1616 * config/darwin.h (CPP_SPEC): ... here.
1618 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
1619 Nathan Sidwell <nathan@codesourcery.com>
1621 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
1622 when choosing the minimum heapsize.
1624 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
1626 * gcc/unwind-dw2.h: Move cfa-related variables into
1627 struct frame_state_reg_info to ensure that the CFA is properly
1628 handled when executing DW_CFA_{remember,restore}_state.
1629 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
1630 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
1631 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
1632 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
1633 gcc/config/rs6000/linux-unwind.h,
1634 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
1635 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
1636 Modify to use new cfa_* fields.
1638 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
1640 * config/s390/s390.c (s390_init_frame_layout): Check positive
1643 2006-10-26 Ben Elliston <bje@au.ibm.com>
1645 * gimplify.c (get_name): Remove extraneous break.
1646 (gimplify_omp_for): Initialise ret with GS_OK.
1648 2006-10-25 Steve Ellcey <sje@cup.hp.com>
1650 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
1651 Add unix98.o to link line.
1653 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1656 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
1657 Calculate compile-time constants using MPFR.
1658 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
1659 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
1661 2006-10-25 Bob Wilson <bob.wilson@acm.org>
1663 * config/xtensa/lib2funcs.S: Use C-style comments.
1665 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
1667 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
1668 (file_table_relative_p): Likewise.
1669 (dwarf2out_finish): Likewise.
1670 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
1672 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
1674 * tree-ssa-structalias.c (intra_create_variable_infos):
1675 Don't recreate nonlocal_all if it already exists.
1677 2006-10-25 Richard Guenther <rguenther@suse.de>
1680 * optabs.h (enum optab_index): Remove OTI_lrint.
1681 (enum convert_optab_index): Add COI_lrint.
1682 (lrint_optab): Adjust.
1683 (expand_sfix_optab): Declare.
1684 * optabs.c (expand_sfix_optab): New function.
1685 (init_optabs): Init lrint_optab as conversion optab.
1686 * genopinit.c (lrint_optab): Change to a conversion optab.
1687 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
1688 expansion via conversion optab.
1689 * config/i386/i386.md (*fistdi2_1): Remove
1690 flag_unsafe_math_optimizations guard.
1691 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
1692 fist<mode>2_with_temp): Likewise.
1693 (lrint<mode>2): Split into...
1694 (lrintxf<mode>2): ... x87 part
1695 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
1696 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
1697 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
1698 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
1699 * doc/md.texi (lrintMN2): Document.
1701 2006-10-25 Uros Bizjak <uros@kss-loka.si>
1704 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
1705 Use inc and dec instructions for TARGET_USE_INCDEC.
1706 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
1707 ("sync_double_compare_and_swap<mode>"): Likewise.
1708 ("*sync_double_compare_and_swapdi_pic"): Likewise.
1709 ("*sync_compare_and_swap_cc<mode>"): Likewise.
1710 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
1711 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
1712 ("sync_old_add<mode>"): Likewise.
1713 ("sync_lock_test_and_set<mode>"): Likewise.
1714 ("sync_lock_test_and_set<mode>"): Likewise.
1715 ("sync_add<mode>"): Likewise.
1716 ("sync_sub<mode>"): Likewise.
1717 ("sync_ior<mode>"): Likewise.
1718 ("sync_and<mode>"): Likewise.
1719 ("sync_xor<mode>"): Likewise.
1721 2006-10-25 Uros Bizjak <uros@kss-loka.si>
1723 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
1724 (remainder_optab): Define corresponding macro.
1725 (drem_optab): Remove.
1726 * optabs.c (init_optabs): Initialize remainder_optab. Remove
1727 drem_optab initialization.
1728 * genopinit.c (optabs): Implement remainder_optab using
1729 remainder?f3 patterns. Remove drem_optab.
1730 * builtins.c (expand_builtin_mathfn_2): Handle
1731 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
1732 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
1733 expand_builtin_mathfn_2.
1735 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
1736 depend on flag_unsafe_math_optimizations.
1738 * config/i386/i386.md ("remaindersf3", "remainderdf3")
1739 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
1740 Do not depend on flag_unsafe_math_optimizations. Use
1741 truncxf?f expander instead of truncxf?f_i387_noop.
1743 ("fpremxf4", "fprem1xf4"): Do not depend on
1744 flag_unsafe_math_optimizations.
1745 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
1746 flag_unsafe_math_optimizations. Use truncxf?f expander
1747 instead of truncxf?f_i387_noop.
1749 * doc/md.texi (fmod, remainder): Document standard named pattern.
1751 2006-10-24 Richard Sandiford <richard@codesourcery.com>
1752 David Daney <ddaney@avtrex.com>
1755 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
1757 2006-10-25 Ben Elliston <bje@au.ibm.com>
1759 * doc/extend.texi (Variable Attributes): Typo fix.
1761 2006-10-24 Uros Bizjak <uros@kss-loka.si>
1763 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
1764 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
1765 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
1766 (FRAME_POINTER_REGNUM): Update register number to 21.
1767 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
1768 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
1770 * config/i386/i386.c (regclass_map): Add fpcr entry.
1771 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
1773 (print_reg): Assert REGNO (x) != FPCR_REG.
1775 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
1776 (DIRFLAG_REG): Renumber.
1777 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
1778 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
1779 (sse_prologue_save, *sse_prologue_save_insn): Renumber
1780 hardcoded SSE register numbers.
1782 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
1783 hardcoded MMX register numbers.
1785 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1788 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
1789 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
1791 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
1792 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
1793 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
1794 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
1796 2006-10-24 Richard Guenther <rguenther@suse.de>
1799 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
1800 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
1801 for deciding optimizations in consistency with fold-const.c
1802 (fold_builtin_unordered_cmp): Likewise.
1804 2006-10-24 Richard Guenther <rguenther@suse.de>
1806 * builtins.c (fold_builtin_floor): Fold floor (x) where
1807 x is nonnegative to trunc (x).
1808 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
1809 nonnegative to FIX_TRUNC_EXPR.
1811 2006-10-24 Richard Guenther <rguenther@suse.de>
1813 PR tree-optimization/29567
1814 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
1815 for TRUTH_NOT_EXPR. Clarify comments.
1817 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1820 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
1821 at compile-time using MPFR. Change parameter VALUE to FUNC,
1823 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
1824 for overflow and underflow at all times and avoid folding in
1827 2006-10-24 Ben Elliston <bje@au.ibm.com>
1829 * reload1.c: Formatting fixes.
1831 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
1833 PR tree-optimization/14784
1834 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
1835 * tree-ssa-structalias.c (get_constraint_for,
1836 intra_create_variable_infos): Set is_heapvar.
1837 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
1838 non-heapvar pointer variables specially.
1840 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1843 * builtins.c (fold_builtin_sin, fold_builtin_cos,
1844 fold_builtin_tan): Fold all constant arguments. Take a "type"
1845 argument as necessary.
1846 (do_mpfr_arg1): New.
1847 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
1849 2006-10-23 Bob Wilson <bob.wilson@acm.org>
1851 * config/xtensa/lib1funcs.asm: Use C-style comments.
1853 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
1855 * tree.c (local_define_builtin): Replace calls to
1856 lang_hooks.builtin_function with add_builtin_function.
1857 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
1859 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
1861 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
1862 common code to add_builtin_function.
1863 * langhooks.c (add_builtin_function): New function.
1864 (lhd_builtin_function): New function.
1865 * langhooks.h (struct lang_hooks): Change the signature of
1867 (add_builtin_function): New function.
1868 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
1869 calls to lang_hooks.builtin_function with add_builtin_function.
1870 * c-common.c (decl_builtin_1): Replace calls to
1871 lang_hooks.builtin_function with add_builtin_function.
1872 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
1873 lang_hooks.builtin_function with add_builtin_function.
1874 * config/frv/frv.c (def_builtin): Replace calls to
1875 lang_hooks.builtin_function with add_builtin_function.
1876 * config/s390/s390.c (s390_init_builtins): Replace calls to
1877 lang_hooks.builtin_function with add_builtin_function.
1878 * config/sparc/sparc.c (def_builtin): Replace calls to
1879 lang_hooks.builtin_function with add_builtin_function.
1880 * config/i386/i386.c (def_builtin): Replace calls to
1881 lang_hooks.builtin_function with add_builtin_function.
1882 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
1883 lang_hooks.builtin_function with add_builtin_function.
1884 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
1885 lang_hooks.builtin_function with add_builtin_function.
1886 * config/stormy16/stormy16.c (xstormy16_init_builtins):
1887 Replace calls to lang_hooks.builtin_function with
1888 add_builtin_function.
1889 * config/iq2000/iq2000.c (def_builtin):
1890 Replace calls to lang_hooks.builtin_function with
1891 add_builtin_function.
1892 * config/ia64/ia64.c (def_builtin): Replace calls to
1893 lang_hooks.builtin_function with add_builtin_function.
1894 * config/rs6000/rs6000.c (def_builtin): Replace calls to
1895 lang_hooks.builtin_function with add_builtin_function.
1896 (altivec_init_builtins): Replace calls to
1897 lang_hooks.builtin_function with add_builtin_function.
1898 * config/arm/arm.c (def_mbuiltin): Replace calls to
1899 lang_hooks.builtin_function with add_builtin_function.
1900 (arm_init_tls_builtins): Replace calls to
1901 lang_hooks.builtin_function with add_builtin_function.
1902 * config/mips/mips.c (mips_init_builtins): Replace calls to
1903 lang_hooks.builtin_function with add_builtin_function.
1904 * config/bfin/bfin.c (def_builtin): Replace calls to
1905 lang_hooks.builtin_function with add_builtin_function.
1906 * langhooks-def.h (lhd_builtin_function): New function.
1907 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
1909 2006-10-23 Jakub Jelinek <jakub@redhat.com>
1911 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
1912 BUILT_IN_STRNCAT_CHK.
1914 2006-10-23 Jan Hubicka <jh@suse.cz>
1916 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
1917 don't do conversion from memmove to memcpy here.
1918 (expand_builtin_bcopy, expand_builtin): Update call of
1919 expand_builtin_memmove.
1920 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
1922 2006-10-23 Paul Brook <paul@codesourcery.com>
1924 * stor-layout.c (start_record_layout): maximum_field_alignment
1925 overrides STRUCTURE_SIZE_BOUNDARY.
1927 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
1929 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
1930 nonlocal function symbols if flag_pic.
1932 2006-10-23 Richard Guenther <rguenther@suse.de>
1936 * builtins.c (fold_binary): Remove checks for flag_wrapv
1937 and flag_trapv where negate_expr_p covers these cases.
1939 2006-10-23 Richard Guenther <rguenther@suse.de>
1942 * fold-const.c (fold_plusminus_mult_expr): Check exact power
1943 of two on the absolute value.
1944 (fold_binary): Fold x * -C to -x * C if x is easily negatable
1945 and negating -C does not overflow.
1947 2006-10-23 Richard Guenther <rguenther@suse.de>
1950 * convert.c (convert_to_real): Fold (float)-x to -(float)x
1951 only if not flag_rounding_math.
1953 2006-10-22 Richard Sandiford <richard@codesourcery.com>
1954 Kaz Kojima <kkojima@gcc.gnu.org>
1957 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
1958 SImode memory reference for the source of a movua.
1959 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
1960 (movua): Use an unspec instead of sign_extract. Expect the source
1961 to have mode BLKmode.
1962 (extv, insv): Use a BLKmode rather than SImode memory reference
1963 for the source of a movua.
1965 2006-10-22 Jeff Law <law@redhat.com>
1966 Richard Guenther <rguenther@suse.de>
1968 PR tree-optimization/15911
1969 * tree-vrp.c (extract_code_and_val_from_cond): New function.
1970 (register_edge_assert_for_1): Likewise.
1971 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
1972 (find_conditional_asserts): Adjust for new function signature.
1973 (find_assert_locations): Likewise.
1975 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
1977 * config/i386/tmmintrin.h: Remove the duplicated content.
1979 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
1981 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
1982 (x86_64-*-*): Likewise.
1984 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
1985 (override_options): Check SSSE3.
1986 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
1987 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
1988 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
1989 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
1990 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
1991 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
1992 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
1993 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
1994 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
1995 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
1996 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
1997 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
1998 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
1999 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
2000 IX86_BUILTIN_PABSD128.
2001 (bdesc_2arg): Add SSSE3.
2002 (bdesc_1arg): Likewise.
2003 (ix86_init_mmx_sse_builtins): Support SSSE3.
2004 (ix86_expand_builtin): Likewise.
2005 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
2007 * config/i386/i386.md (UNSPEC_PSHUFB): New.
2008 (UNSPEC_PSIGN): Likewise.
2009 (UNSPEC_PALIGNR): Likewise.
2010 Include mmx.md before sse.md.
2012 * config/i386/i386.opt: Add -mssse3.
2014 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
2015 (ssse3_phaddwv4hi3): Likewise.
2016 (ssse3_phadddv4si3): Likewise.
2017 (ssse3_phadddv2si3): Likewise.
2018 (ssse3_phaddswv8hi3): Likewise.
2019 (ssse3_phaddswv4hi3): Likewise.
2020 (ssse3_phsubwv8hi3): Likewise.
2021 (ssse3_phsubwv4hi3): Likewise.
2022 (ssse3_phsubdv4si3): Likewise.
2023 (ssse3_phsubdv2si3): Likewise.
2024 (ssse3_phsubswv8hi3): Likewise.
2025 (ssse3_phsubswv4hi3): Likewise.
2026 (ssse3_pmaddubswv8hi3): Likewise.
2027 (ssse3_pmaddubswv4hi3): Likewise.
2028 (ssse3_pmulhrswv8hi3): Likewise.
2029 (ssse3_pmulhrswv4hi3): Likewise.
2030 (ssse3_pshufbv16qi3): Likewise.
2031 (ssse3_pshufbv8qi3): Likewise.
2032 (ssse3_psign<mode>3): Likewise.
2033 (ssse3_psign<mode>3): Likewise.
2034 (ssse3_palignrti): Likewise.
2035 (ssse3_palignrdi): Likewise.
2036 (abs<mode>2): Likewise.
2037 (abs<mode>2): Likewise.
2039 * config/i386/tmmintrin.h: New file.
2041 * doc/extend.texi: Document SSSE3 built-in functions.
2043 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
2045 2006-10-22 Ira Rosen <irar@il.ibm.com>
2047 * tree-vect-transform.c (vectorizable_load): Use the type of the
2048 return value of the mask_for_load builtin to create realign_load
2051 2006-10-22 Richard Sandiford <richard@codesourcery.com>
2053 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
2056 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
2058 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
2059 (UNSPEC_LDDQU): This.
2060 * config/i386/sse.md (sse3_lddqu): Updated.
2062 2006-10-21 Richard Guenther <rguenther@suse.de>
2064 * builtins.c (expand_builtin_int_roundingfn_2): New function.
2065 (expand_builtin): Use it to expand lrint instead of
2066 expand_builtin_mathfn.
2068 2006-10-21 Uros Bizjak <uros@kss-loka.si>
2071 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
2072 flag_unsafe_math_optimizations is set.
2074 2006-10-21 Uros Bizjak <uros@kss-loka.si>
2077 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
2078 patterns to use memory input operand in x87->mem->XMM
2079 reload sequences. Skip transformation for TARGET_K8.
2081 2006-10-21 Uros Bizjak <uros@kss-loka.si>
2083 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
2084 force operand1 to register if both operands are memory operands.
2085 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
2086 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
2087 if both operands are memory operands.
2088 (truncdfsf2): Do not force operand1 to register if both operands
2089 are memory operands.
2091 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2093 * Makefile.in (LIBS): Add $(GMPLIBS).
2094 * doc/install.texi: Update GMP and MPFR requirements.
2095 * doc/sourcebuild.texi (need_gmp): Delete.
2097 2006-10-21 Richard Guenther <rguenther@suse.de>
2099 PR tree-optimization/3511
2100 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
2101 got new invariant arguments during PHI translation.
2103 2006-10-21 Richard Guenther <rguenther@suse.de>
2106 * fold-const.c (fold_comparison): Fold signed comparisons
2107 of the form X +- C1 CMP Y +- C2.
2109 2006-10-21 Richard Guenther <rguenther@suse.de>
2112 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
2113 if flag_unsafe_math_optimizations is specified. We have
2114 flag_finite_math_only for that.
2115 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
2116 or flag_unsafe_math_optimizations.
2118 2006-10-21 Richard Guenther <rguenther@suse.de>
2120 * builtins.c (fold_builtin_classify): Fix typo.
2122 2006-10-21 Richard Guenther <rguenther@suse.de>
2125 * simplify-rtx.c (simplify_const_relational_operation):
2126 Do not constant-fold ORDERED and UNORDERED for
2127 flag_unsafe_math_optimizations but only we do not need to
2128 honor NaNs for the given mode.
2130 2006-10-21 Richard Guenther <rguenther@suse.de>
2133 * config/i386/i386.c (classify_argument): Remove redundant
2134 walking of the BINFOs.
2135 (contains_128bit_aligned_vector_p): Likewise.
2137 2006-10-20 Mark Mitchell <mark@codesourcery.com>
2139 * BASE-VER: Set to 4.3.0.
2141 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
2143 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
2144 (tree_decl_with_vis): Remove artificial_pta_var flag.
2145 * tree-flow.h (referenced_var_check_and_insert): Expose.
2146 (nonlocal_all): New prototype.
2147 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
2148 (nonlocal_all): Make global.
2149 (nonlocal_lookup): Remove.
2150 (nonlocal_insert): Ditto.
2151 (create_nonlocal_var): Do not call nonlocal_insert.
2152 (get_nonlocal_id_for_type): Remove.
2153 (find_global_initializers): Mark new vars we find for renaming.
2154 (intra_create_variable_infos): Only create one nonlocal.
2155 (expand_nonlocal_solutions): Remove.
2156 (compute_points_to_sets): Don't call it.
2157 (ipa_pta_execute): Ditto.
2158 (init_alias_heapvars): Don't create nonlocal_for_type.
2159 (delete_alias_heapvars): Don't remove it.
2160 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
2163 2006-10-19 Brooks Moses <bmoses@stanford.edu>
2165 * doc/install.texi (Downloading GCC): Clarify mention of
2166 Fortran in the "full distribution" description.
2168 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
2170 Fix PR tree-optimization/28778
2171 Fix PR tree-optimization/29156
2172 Fix PR tree-optimization/29415
2173 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
2174 (tree_decl_with_vis): Add artificial_pta_var flag.
2175 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
2176 pushed into callers.
2177 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
2178 (nonlocal_all): Ditto.
2179 (struct variable_info): Add directly_dereferenced member.
2180 (var_escaped_vars): New variable.
2181 (escaped_vars_tree): Ditto.
2182 (escaped_vars_id): Ditto.
2183 (nonlocal_vars_id): Ditto.
2184 (new_var_info): Set directly_dereferenced.
2185 (graph_size): New variable
2186 (build_constraint_graph): Use graph_size.
2187 (solve_graph): Don't process constraints that cannot change the
2188 solution, don't try to propagate an empty solution to our
2190 (process_constraint): Set directly_dereferenced.
2191 (could_have_pointers): New function.
2192 (get_constraint_for_component_ref): Don't process STRING_CST.
2193 (nonlocal_lookup): New function.
2194 (nonlocal_insert): Ditto.
2195 (create_nonlocal_var): Ditto.
2196 (get_nonlocal_id_for_type): Ditto.
2197 (get_constraint_for): Allow results vector to be empty in the case
2198 of string constants.
2199 Handle results of calls properly.
2200 (update_alias_info): Update alias info stats on number and type of
2202 (find_func_aliases): Use could_have_pointers.
2203 (make_constraint_from_escaped): Renamed from
2204 make_constraint_to_anything, and changed to make constraints from
2206 (make_constraint_to_escaped): New function.
2207 (find_global_initializers): Ditto.
2208 (create_variable_info_for): Make constraint from escaped to any
2209 global variable, and from any global variable to the set of
2211 (intra_create_variable_infos): Deal with escaped instead of
2212 pointing to anything.
2213 (set_uids_in_ptset): Do type pruning on directly dereferenced
2215 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
2216 (init_base_vars): Fix comment, and initialize escaped_vars.
2217 (need_to_solve): Removed.
2218 (find_escape_constraints): New function.
2219 (expand_nonlocal_solutions): Ditto.
2220 (compute_points_to_sets): Call find_escape_constraints and
2221 expand_nonlocal_solutions.
2222 (delete_points_to_sets): Don't fall off the end of the graph.
2223 (init_alias_heapvars): Initialize nonlocal_for_type and
2225 (delete_alias_heapvars): Free nonlocal_for_type and null out
2228 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
2230 * fold-const.c (add_double): Rename to add_double_with_sign.
2231 Add 'unsigned_p' parameter and take it into account for the overflow.
2232 (mul_double): Rename to mul_double_with_sign.
2233 Add 'unsigned_p' parameter and take it into account for the overflow.
2234 (fold_div_compare): Call add_double_with_sign instead of add_double
2235 and mul_double_with_sign instead of mul_double, passing them the
2236 unsignedness of the type.
2237 * tree.h (add_double): Macroize.
2238 (add_double_with_sign): New prototype.
2239 (mul_double): Macroize.
2240 (mul_double_with_sign): New prototype.
2242 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
2244 * config/score/crti.asm: New file.
2245 * config/score/crtn.asm: New file.
2246 * config/score/elf.h: New file.
2247 * config/score/mac.md: New file.
2248 * config/score/misc.md: New file.
2249 * config/score/mul-div.S: New file.
2250 * config/score/predicates.md: New file.
2251 * config/score/score7.md: New file.
2252 * config/score/score.c: New file.
2253 * config/score/score-conv.h: New file.
2254 * config/score/score.h: New file.
2255 * config/score/score.md: New file.
2256 * config/score/score-mdaux.c: New file.
2257 * config/score/score-mdaux.h: New file.
2258 * config/score/score-modes.def: New file.
2259 * config/score/score.opt: New file.
2260 * config/score/score-protos.h: New file.
2261 * config/score/score-version.h: New file.
2262 * config/score/t-score-elf: New file.
2263 * config.gcc: Add score*-*-* configurations(Update before).
2264 * doc/invoke.texi (Score Options): New section.
2265 * doc/md.texi (Score family): New section to document constraints.
2267 2006-10-19 Nick Clifton <nickc@redhat.com>
2269 * config/arm/arm.c: Fix spelling typo.
2271 2006-10-18 Tom Tromey <tromey@redhat.com>
2273 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
2275 2006-10-18 Jan Hubicka <jh@suse.cz>
2278 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
2281 2006-10-18 Marcin Dalecki <martin@dalecki.de>
2283 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
2284 TSI_SAME_STMT, since that's the desired entity.
2286 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
2288 * config/s390/contraints.md: New file.
2289 * config/s390/s390-protos.h (s390_mem_constraint,
2290 s390_O_constraint_str, s390_N_constraint_str,
2291 s390_float_const_zero_p): Function prototypes added.
2292 * config/s390/s390.c (s390_extra_constraint_str,
2293 s390_const_double_ok_for_constraint_p,
2294 s390_const_ok_for_constraint_p): Functions removed.
2295 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
2296 s390_float_const_zero_p): New functions.
2297 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
2298 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
2299 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
2300 Macro definitions removed.
2301 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
2302 s390_extra_constraint_str): Functions removed.
2304 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
2305 Richard Sandiford <richard@codesourcery.com>
2308 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
2309 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
2311 2006-10-16 Geoffrey Keating <geoffk@apple.com>
2313 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
2314 (DWARF2_FRAME_REG_OUT): Likewise.
2315 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
2316 (DWARF2_FRAME_REG_OUT): Likewise.
2318 2006-10-17 Paul Brook <paul@codesourcery.com>
2320 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
2322 2006-10-16 Brooks Moses <bmoses@stanford.edu>
2324 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
2325 Standardize on "GNU Fortran" as the official name of the Fortran
2328 2006-10-16 Mike Stump <mrs@apple.com>
2330 * doc/invoke.texi (Darwin Options): Document -mkernel.
2331 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
2333 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
2334 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
2335 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
2336 (OS_MISSING_ALTIVEC): Add.
2337 * config/i386/i386.c (override_options): Add
2338 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
2339 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
2340 -mkernel, -static or -mdynamic-no-pic is given.
2341 (C_COMMON_OVERRIDE_OPTIONS): Add.
2342 * config/darwin.opt (fapple-kext): Add.
2344 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
2345 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
2347 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
2348 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
2349 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
2350 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
2351 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
2352 (flag_mkernel): Add.
2353 (flag_apple_kext): Add.
2354 (TARGET_KEXTABI): Add.
2355 * config/darwin.c (darwin_handle_kext_attribute): Add.
2356 (DARWIN_VTABLE_P): Add.
2357 (darwin_binds_local_p): Add partial support for rebinding vtables
2359 (darwin_kextabi_p): Add.
2360 (darwin_override_options): Add.
2361 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
2362 (darwin_kextabi_p): Add.
2363 (darwin_override_options): Add.
2364 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
2365 __DYNAMIC__ and __STATIC__ here.
2367 2006-10-16 Brooks Moses <bmoses@stanford.edu>
2369 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
2370 Added mention of "make pdf" target, and Texinfo requirements for
2373 2006-10-16 DJ Delorie <dj@redhat.com>
2375 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
2376 into the GOT in case we need a subreg of the address.
2378 2006-10-16 Richard Guenther <rguenther@suse.de>
2381 * doc/extend.texi (X86 Built-in Functions): Fix typos in
2382 SSE builtin documentation. Document SSE2 builtins.
2384 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2386 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
2387 symbol in the output file for non-shared links when -nostdlib or
2388 -nodefaultlibs isn't specified.
2390 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
2391 posix thread support.
2393 2006-10-15 Jan Hubicka <jh@suse.cz>
2396 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
2397 declared always_inline even when not inlining.
2399 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
2400 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2401 Andrew Pinski <pinskia@gmail.com>
2404 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
2406 2006-10-15 Jan Hubicka <jh@suse.cz>
2407 Richard Guenther <rguenther@suse.de>
2410 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
2411 process_function_and_variable_attributes on all variables, including
2412 those discovered during cgraph construction phase.
2414 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
2416 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
2418 2006-10-14 Uros Bizjak <uros@kss-loka.si>
2420 * config/i386/athlon.md (athlon_fist): Add fisttp.
2422 2006-10-13 David Edelsohn <edelsohn@gnu.org>
2423 Ian Lance Taylor <ian@airs.com>
2426 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
2427 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
2430 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
2432 * config/score/score.c, config/score/score.h: Fix comment
2435 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2438 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
2441 2006-10-13 Eric Christopher <echristo@apple.com>
2443 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
2445 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
2448 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
2449 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
2450 alignment supported by 32-bit ELF.
2452 2006-10-13 Eric Christopher <echristo@apple.com>
2454 * config/darwin.c (darwin_emit_unwind_label): Strip
2455 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
2457 2006-10-13 Richard Guenther <rguenther@suse.de>
2459 PR tree-optimization/29446
2460 * tree-vrp.c (fix_equivalence_set): Remove.
2461 (extract_range_from_assert): Do not call fix_equivalence_set.
2462 (debug_value_range): Print a newline.
2463 (compare_name_with_value): For equivalence sets with
2464 inconsistent value ranges conservatively bail out.
2465 (compare_names): Likewise.
2467 2006-10-13 David Edelsohn <edelsohn@gnu.org>
2469 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
2470 and MPFR for gfortran.
2472 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
2474 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
2475 alignment supported by 32-bit ELF.
2477 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
2481 * c-typeck.c (digest_init): Always allow initializing vectors
2482 that have static storage duration with compound literals.
2483 * tree.c (build_type_attribute_qual_variant): New, based on
2484 build_type_attribute_variant.
2485 (build_type_attribute_variant): Rewrite using the former.
2486 (make_vector_type): Use build_type_attribute_qual_variant to build
2487 type variants. Use type_hash_canon on the others.
2489 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
2490 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
2492 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
2494 2006-10-12 Jan Hubicka <jh@suse.cz>
2497 * c-decl.c (c_make_fname_decl): Do not segfault in case where
2498 current_function_decl is set but current_function_scope is not.
2500 2006-10-12 Jie Zhang <jie.zhang@analog.com>
2502 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
2503 emit_insn to emit eh_return_internal instruction.
2504 (eh_return_internal): Explicitly set pc.
2506 2006-10-11 Richard Guenther <rguenther@suse.de>
2508 PR tree-optimization/28230
2509 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
2510 to the correct place.
2512 2006-10-11 Richard Guenther <rguenther@suse.de>
2515 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
2518 2006-10-10 Brooks Moses <bmoses@stanford.edu>
2520 * configure.ac: Added pdf to "Make-hooks"
2521 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
2522 targets and *.pdf file patterns in cleanup targets.
2523 * configure: Regenerated.
2525 2006-10-10 Anatoly Sokolov <aesok@post.ru>
2527 * config/avr/predicates.md: New file.
2528 * config/avr/avr.md: Include it.
2529 (REG_SP): New constant.
2530 (peepholes): Use predicates.
2531 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
2532 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
2533 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
2535 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
2537 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
2540 2006-10-10 Jakub Jelinek <jakub@redhat.com>
2543 * builtins.c (var_decl_component_p): New function.
2544 (fold_builtin_memset, fold_builtin_memory_op): Restrict
2545 single entry optimization to variables and components thereof.
2547 2006-10-10 Richard Guenther <rguenther@suse.de>
2549 PR rtl-optimization/29323
2550 * except.c (set_nothrow_function_flags): For functions
2551 that do not bind local bail out early.
2553 2006-10-10 Ben Elliston <bje@au.ibm.com>
2555 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
2558 2006-10-09 Richard Henderson <rth@redhat.com>
2560 Revert emutls patch.
2562 2006-10-09 Richard Guenther <rguenther@suse.de>
2565 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
2568 2006-10-09 Steve Ellcey <sje@cup.hp.com>
2571 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
2572 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
2573 * configure: Regenerate.
2574 * config.in: Regenerate.
2576 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
2578 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
2580 2006-10-08 Richard Sandiford <richard@codesourcery.com>
2582 * config/mips/mips.c (mips_legitimize_tls_address): Implement
2583 all TLS models in the same way as local exec if !TARGET_ABICALLS.
2584 Remove stray newline.
2586 2006-10-08 Richard Sandiford <richard@codesourcery.com>
2588 * config/mips/mips.c (mips_classify_symbol): Do not return
2589 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
2590 (mips_in_small_data_p): Tweak comments.
2592 2006-10-08 Richard Sandiford <richard@codesourcery.com>
2594 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
2596 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
2598 * gimplify.c, sched-int.h: Fix comment typos.
2600 * sched-int.h: Fix comment typos.
2602 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2604 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
2606 * sched-ebb.c (begin_schedule_ready): Use them.
2607 * haifa-sched.c (schedule_insn, move_insn, try_ready,
2608 add_to_speculative_block, create_check_block_twin, speculate_insn,
2609 fix_jump_move, move_block_after_check): Ditto.
2610 * sched-rgn.c (new_ready): Ditto.
2612 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2614 PR rtl-optimization/29128
2615 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
2616 * sched-ebb.c (advance_target_bb): Use it to fix condition to
2617 allow interblock movement of speculation checks.
2619 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
2622 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
2623 casted to integer type.
2624 (get_address_cost): Decrease cost of [symbol + index] addressing modes
2625 if they are significantly more expensive than [reg + index] ones.
2627 2006-10-06 Jakub Jelinek <jakub@redhat.com>
2629 PR tree-optimization/29330
2630 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
2631 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
2632 on newly allocated ddrs.
2633 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
2634 to VEC (loop_p, heap) pointer.
2635 (compute_data_dependences_for_loop): Adjust caller.
2636 (free_dependence_relations): Free DDR_LOOP_NEST.
2638 * tree-loop-linear.c (linear_transform_loops): Don't forget to
2639 free DEPENDENCE_RELATIONS and DATAREFS.
2642 * builtins.c (expand_builtin_sync_operation,
2643 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
2644 Use convert_to_mode to handle promoted arguments.
2646 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
2648 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
2650 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
2652 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
2654 2006-10-05 Uros Bizjak <uros@kss-loka.si>
2656 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
2657 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
2658 Use <modeconstraint> instead of "r" as operand 1 constraint.
2660 2006-10-06 Olivier Hainque <hainque@adacore.com>
2662 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
2663 Don't recurse on the pointed-to type.
2664 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
2665 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
2666 types with components of variable size.
2668 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
2670 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
2672 2006-10-06 Jakub Jelinek <jakub@redhat.com>
2674 PR tree-optimization/29290
2675 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
2679 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
2680 * config/i386/predicates.md (local_symbolic_operand): Likewise.
2683 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
2684 the number of vector elements fill the rest with zeros.
2686 2006-10-05 Richard Sandiford <richard@codesourcery.com>
2688 * config/mips/mips.c (mips_pass_by_reference): Do not return false
2689 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
2692 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
2694 * config/bfin/bfin.md (subsi3): Lose expander, change previously
2695 unnamed pattern into subsi3. Use correct constraints/predicates.
2696 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
2697 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
2699 2006-10-05 Ira Rosen <irar@il.ibm.com>
2701 * doc/loop.texi: Add data references analysis description.
2703 2006-10-04 Brooks Moses <bmoses@stanford.edu>
2705 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
2707 2006-10-04 Richard Henderson <rth@redhat.com>
2708 Jakub Jelinek <jakub@redhat.com>
2710 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
2711 * builtin-types.def (BT_WORD): Make unsigned.
2712 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
2713 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
2714 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
2715 * c-decl.c (grokdeclarator): Don't error if !have_tls.
2716 * c-parser.c (c_parser_omp_threadprivate): Likewise.
2717 * cgraph.c (decide_is_variable_needed): Look at force_output.
2718 Recurse for emulated tls.
2719 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
2720 checks redundant with decide_is_variable_needed.
2721 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
2722 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
2724 * expr.c (emutls_var_address): New.
2725 (expand_expr_real_1): Expand emulated tls.
2726 (expand_expr_addr_expr_1): Likewise.
2727 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
2728 * output.h (emutls_finish): Declare.
2729 * toplev.c (compile_file): Call it.
2730 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
2731 address before wrapping in CONST.
2732 * varasm.c (emutls_htab, emutls_object_type): New.
2733 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
2734 (get_emutls_object_name, get_emutls_object_type): New.
2735 (get_emutls_init_templ_addr, emutls_decl): New.
2736 (emutls_common_1, emutls_finish): New.
2737 (assemble_variable): When emulating tls, swap decls; generate
2738 constructor for the emutls objects.
2739 (do_assemble_alias): When emulating tls, swap decl and target name.
2740 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
2742 * emutls.c: New file.
2743 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
2744 tls_object for real tls.
2746 2006-10-04 Zack Weinberg <zackw@panix.com>
2748 Fix bug in constraint-check generator, reported by Rask Ingemann
2750 * genpreds.c (add_constraint): Don't remove anything from the
2752 (write_tm_constrs_h): Detect whether "op" argument is used, and
2753 mark it ARG_UNUSED if it isn't.
2754 (write_insn_const_int_ok_for_constraint): Skip the part of the
2755 expression that would test whether "op" (which is not available
2756 here) is a CONST_INT.
2758 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
2761 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
2763 2006-10-03 Geoffrey Keating <geoffk@apple.com>
2765 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
2766 current Leopard versions.
2767 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
2769 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
2771 * doc/install.texi: Fix typos.
2773 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
2775 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
2776 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
2777 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
2779 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
2781 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
2782 arg to be struct mach_header_64* instead.
2784 2006-10-02 Jakub Jelinek <jakub@redhat.com>
2787 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
2788 side effects after the outer expression's post side effects.
2790 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
2792 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
2793 comments to reflect actual behavior and relationship between
2794 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
2796 * doc/c-tree.texi (Working with declarations): Fix documentation
2797 of FIELD_DECL likewise.
2799 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
2802 * doc/extend.texi: Add used variable attribute description.
2804 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
2807 * c.opt (Woverride-init): New.
2808 * c-opts.c (c_common_post_options): Default warn_override_init to
2810 * c-typeck.c (add_pending_init, output_init_element): Warn for
2811 overriding initializers without side effects.
2812 * doc/invoke.texi (-Woverride-init): Document.
2815 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
2817 PR rtl-optimization/28096
2818 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
2819 assignment has already been used as a destination earlier in the block.
2821 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
2823 * builtins.c (expand_builtin_setjmp): Delete.
2824 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
2825 <BUILT_IN_SETJMP_SETUP>: New case.
2826 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
2827 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
2828 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
2829 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
2830 (BUILT_IN_SETJMP_RECEIVER): Likewise.
2831 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
2832 (lower_function_body): Initialize it to false. If it is set to true
2833 at the end of the processing, emit the setjmp dispatcher.
2834 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
2835 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
2836 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
2837 on the rhs of the assignment.
2838 (lower_builtin_setjmp): New function.
2839 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
2840 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
2841 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
2842 to detect calls that can go to non-local labels. Use specific
2843 helper to create the abnormal edges associated with them.
2844 <MODIFY_EXPR>: Likewise.
2845 (make_abnormal_goto_edges): New function extracted from...
2846 (make_goto_expr_edges): ...here. Call it for computed gotos.
2847 (simple_goto_p): Minor tweak.
2848 (tree_can_make_abnormal_goto): New predicate.
2849 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
2850 (tree_purge_dead_abnormal_call_edges): New function.
2851 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
2852 (tree_purge_dead_abnormal_call_edges): Likewise.
2853 (make_abnormal_goto_edges): Likewise.
2854 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
2855 Purge all dead abnormal edges if the call was in the last statement.
2856 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
2857 (execute_fixup_cfg): If there are non-local labels in the function,
2858 scan the basic blocks and split them at calls that can go to non-local
2859 labels or add missing abnormal call edges. Write down the CFG in the
2861 (pass_fixup_cfg): Remove TODO_dump_func flag.
2862 * unwind-sjlj.c: Poison setjmp.
2863 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
2864 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
2865 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
2866 (DONT_USE_BUILTIN_SETJMP): Document it.
2868 2006-09-28 Geoffrey Keating <geoffk@apple.com>
2871 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
2872 to 1 when __ppc64__ is defined.
2873 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
2875 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
2877 2006-09-28 Steve Ellcey <sje@cup.hp.com>
2879 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
2880 * config/ia64/unwind-hpux.c: Delete.
2882 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
2884 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
2885 on the element before gimplifying it, instead of punting if it is of
2888 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
2890 * doc/loop.texi: New file.
2891 * doc/gccint.texi: Reference loop.texi.
2892 * Makefile.in (loop.texi): Add.
2894 2006-09-27 Geoffrey Keating <geoffk@apple.com>
2896 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
2898 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
2899 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
2901 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
2903 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
2905 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
2907 * doc/install.texi: Document required versions of GMP and MPFR.
2909 2006-09-27 Paul Brook <paul@codesourcery.com>
2912 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
2914 2006-09-27 Richard Sandiford <richard@codesourcery.com>
2916 * reload1.c (alter_reg): Require the alignment of the stack slot to
2917 be at least reg_max_ref_width bytes.
2918 (scan_paradoxical_subregs): Record the largest width in
2921 2006-09-26 Jakub Jelinek <jakub@redhat.com>
2925 * tree-nested.c (struct nesting_info): Added static_chain_added.
2926 (convert_call_expr): Set static_chain_added when adding static
2927 chain. Handle OMP_PARALLEL and OMP_SECTION.
2929 2006-09-25 Matthias Klose <doko@debian.org>
2931 * doc/invoke.texi: Add missing full stop.
2933 2006-09-25 Richard Henderson <rth@redhat.com>
2935 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
2936 before cgraph_function_flags_ready.
2938 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
2939 Adam Nemet <anemet@caviumnetworks.com>
2941 * tree-ssa-loop-ivopts.c (aff_combination_convert,
2942 determine_common_wider_type): New functions.
2943 (get_computation_aff): Use them to simplify arithmetic between
2944 UBASE and CBASE if they are shortened from the same type.
2946 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
2949 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
2950 -2147483647 - 1 instead of 0x80000000.
2952 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
2954 * flags.h (HONOR_NANS): Fix typo in comment.
2956 2006-09-23 Uros Bizjak <uros@kss-loka.si>
2958 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
2960 2006-09-23 Jakub Jelinek <jakub@redhat.com>
2964 * tree.c (merge_attributes, attribute_list_contained): If both
2965 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
2967 * c-typeck.c (comptypes_internal): Don't consider aggregates
2968 in different TUs as compatible if there one set of attributes is
2969 not a subset of the other type's attributes.
2970 (composite_type): Try harder not to create a new aggregate type.
2972 2006-09-22 Geoffrey Keating <geoffk@apple.com>
2974 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
2975 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
2976 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
2977 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
2978 than replicating condition above.
2979 * config.host (i[34567]86-*-*): Always use driver-i386.o.
2981 * config/darwin.h (LINK_SYSROOT_SPEC): New.
2982 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
2983 the linker by default.
2985 2006-09-22 Mike Stump <mrs@apple.com>
2987 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
2990 2006-09-22 Richard Guenther <rguenther@suse.de>
2993 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
2994 sort of stack variables stable.
2996 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
2999 * explow.c (force_reg): Set REG_POINTER flag according to
3002 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
3004 PR tree-optimization/28888
3005 * tree-if-conv.c (combine_blocks): Rewritten.
3006 * tree-cfg.c (tree_verify_flow_info): Check that edges with
3007 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
3009 2006-09-22 Jakub Jelinek <jakub@redhat.com>
3011 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
3014 2006-09-21 Richard Sandiford <richard@codesourcery.com>
3016 * varasm.c (copy_constant): Fix reversed gcc_assert check.
3018 2006-09-21 Janis Johnson <janis187@us.ibm.com>
3020 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
3022 2006-09-21 Roger Sayle <roger@eyesopen.com>
3025 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
3026 dw_fde_current_label, to be the start of the function, i.e. the same
3027 value as dw_fde_begin.
3029 2006-09-20 Richard Sandiford <richard@codesourcery.com>
3031 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
3032 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
3033 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
3034 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
3035 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
3036 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
3037 (abs<mode>2, neg<mode>2): Likewise.
3038 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
3039 (*mips_abs_ps): New define_insn.
3041 2006-09-20 Josh Conner <jconner@apple.com>
3044 * calls.c (expand_call): Allow reuse of structure return stack
3047 2006-09-20 Paul Brook <paul@codesourcery.com>
3049 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
3052 2006-09-20 Janis Johnson <janis187@us.ibm.com>
3054 * doc/extend.texi (Decimal Float): Update for latest draft TR,
3055 clean up terminology.
3057 2006-09-20 Steve Ellcey <sje@cup.hp.com>
3060 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
3061 with tablejumps in them.
3063 2006-09-20 Jakub Jelinek <jakub@redhat.com>
3066 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
3067 wrap it into TARGET_EXPR.
3069 2006-09-20 Eric Christopher <echristo@apple.com>
3071 * config/i386/i386.c (x86_fisttp): Remove.
3072 * config/i386/i386.h (x86_fisttp): Ditto.
3073 (TARGET_FISTTP): Ditto.
3075 2006-09-19 Eric Christopher <echristo@apple.com>
3077 * doc/tm.texi (OBJC_JBLEN): Describe.
3078 * config/i386/darwin.h (OBJC_JBLEN): Define.
3079 * config/rs6000/darwin.h: Ditto.
3081 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
3083 PR rtl-optimization/21299
3084 * reload1.c (reload): Purge invalid ASMs in the final pass.
3086 2006-09-19 Steve Ellcey <sje@cup.hp.com>
3089 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
3090 pointers as legitimate constants.
3092 2006-09-19 Paul Brook <paul@codesourcery.com>
3095 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
3097 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
3099 PR tree-optimization/28887
3100 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
3101 component parts from the reference.
3102 (gather_memory_references_ref): Record the reference without the
3103 nonaddressable component parts.
3105 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
3108 * c-opts.c (c_common_handle_option): Ignore the -std options
3109 if the input language is assembly.
3111 2006-09-17 Ira Rosen <irar@il.ibm.com>
3114 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
3116 (ptr_ptr_may_alias_p): Likewise.
3117 (record_record_differ_p): New function.
3118 (base_object_differ_p): Call record_record_differ_p.
3120 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
3123 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
3124 away for the expr argument.
3126 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
3129 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
3130 before using it for dumping after vectorizing loops.
3132 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
3133 Jack Howarth <howarth@bromo.med.uc.edu>
3136 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
3137 skip on error_mark_node.
3138 (rs6000_darwin64_record_arg_recurse): Likewise.
3140 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
3142 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
3143 * doc/rtl.texi: Remove related documentation.
3145 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
3147 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
3150 2006-09-15 Jim Wilson <wilson@specifix.com>
3152 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
3153 Handle symbol offsets same as they are handled in ia64_expand_move
3156 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
3158 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
3159 Add forgotten parameter to the fprintf call.
3161 2006-09-15 Steve Ellcey <sje@cup.hp.com>
3163 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
3165 2006-09-15 Uros Bizjak <uros@kss-loka.si>
3167 * doc/contrib.texi: Add my entry.
3169 2006-09-15 Nick Clifton <nickc@redhat.com>
3171 * doc/md.texi (Processor pipeline description): Fix typo in
3172 example of how to use the absence_set directive and reword the
3173 description to make it slightly easier to read.
3175 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
3177 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
3178 * loop-doloop.c (doloop_optimize): Use it to limit costs of
3179 expanding the number of iterations.
3180 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
3182 * cfgrtl.c (emit_insn_at_entry): New function.
3183 * rtl.h (emit_insn_at_entry): Declare it.
3184 * integrate.c (emit_initial_value_sets): Use it.
3186 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
3188 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
3190 (struct loop_work and related VEC declarations): Delete.
3191 (bfin_dump_loops): Print out new member bad.
3192 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
3193 (bfin_scan_loop): Don't recurse.
3194 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
3195 loops. No longer need to update outer loops if the current one is
3196 found bad. Move some validitiy checks to bfin_discover_loop.
3197 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
3198 but changed not to check for nesting. Also changed to use the new bad
3200 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
3201 time. Use bitmap based test to discover loop nesting.
3203 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
3205 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
3208 2006-09-14 Richard Guenther <rguenther@suse.de>
3209 Kazu Hirata <kazu@codesourcery.com>
3211 PR middle-end/28884.
3212 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
3213 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
3214 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
3215 with TARGET_FUNCTION_VALUE.
3217 2006-09-14 Anatoly Sokolov <aesok@post.ru>
3220 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
3222 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
3224 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
3227 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
3230 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
3233 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
3235 * basic_block.h (bb_has_eh_pred): Fix comment.
3237 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
3239 * flow.c (calculate_global_regs_live): Invalidate eh registers
3240 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
3241 (propagate_block): Handle eh registers as if they were set at basic
3243 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
3245 * global.c (global_conflicts): Make eh registers to conflict with
3246 pseudos live at basic block begin.
3247 * basic_block.h (bb_has_eh_pred): New function.
3249 2006-09-13 Richard Sandiford <richard@codesourcery.com>
3251 PR rtl-optimization/28982
3252 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
3253 index of a PRE_MODIFY or POST_MODIFY address.
3254 * reload1.c (inc_for_reload): Use find_replacement on the original
3255 base and index registers.
3257 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
3259 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
3260 for -Os. Update __m128 alignment requirement.
3262 2006-09-13 Jan Hubicka <jh@suse.cz>
3264 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
3266 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
3268 PR rtl-optimization/28243
3269 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
3270 the insn to which the note was originally attached.
3272 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
3273 Roger Sayle <roger@eyesopen.com>
3275 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
3276 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
3277 on platforms that don't use dwarf for debug info.
3279 2006-09-12 Jason Merrill <jason@redhat.com>
3282 * builtins.c (expand_builtin_setjmp_receiver): Clobber
3283 hard_frame_pointer_rtx after using it to update the frame pointer.
3285 2006-09-12 Roger Sayle <roger@eyesopen.com>
3287 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
3288 (TARGET_ASM_CLOSE_PAREN): Likewise.
3289 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
3290 (TARGET_ASM_CLOSE_PAREN): Likewise.
3292 2006-09-12 Roger Sayle <roger@eyesopen.com>
3295 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
3296 frame information for frames larger than 512 Kbytes on Tru64 when
3297 using the native assembler.
3299 2006-09-12 Roger Sayle <roger@eyesopen.com>
3303 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
3304 and symbols. Instead use the implementation from cse.c's hash_rtx.
3306 2006-09-12 Jan Hubicka <jh@suse.cz>
3308 PR rtl-optimization/28071
3309 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
3310 (vect_transform_loop): Likewise.
3311 * tree-vectorizer.c (new_loop_vec_info): Likewise.
3312 (new_loop_vec_info): Likewise.
3313 (destroy_loop_vec_info): Likewise.
3314 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
3315 (create_stmt_ann): Likewise.
3316 (create_tree_ann): Rename to ...
3317 (create_tree_common_ann): ... this one; allocate only the common part
3319 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
3320 (get_value_handle): Likewise.
3321 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
3322 get_tree_common_ann.
3323 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
3324 (vinfo_for_stmt): Use stmt annotations.
3325 * tree-flow.h (tree_ann_common_t): New type.
3326 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
3327 (tree_ann, get_tree_ann, create_tree_ann): New.
3328 * tree-flow-inline.h (get_function_ann): Do more type checking.
3329 (stmt_ann): Likewise.
3330 (tree_ann): Rename to ...
3331 (tree_common_ann): ... this one; return ony common_ann
3332 (get_tree_ann): Rename to ...
3333 (tree_common_ann): This one; return only common_ann.
3334 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
3337 2006-09-11 Geoffrey Keating <geoffk@apple.com>
3339 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
3340 with_cpu by default.
3342 * dwarf2out.c (dwarf_file_data): New.
3343 (enum dw_val_class): Add dw_val_class_file.
3344 (struct dw_val_struct): Add val_file.
3345 (file_table): Change to a hash table.
3346 (file_table_emitted): Delete.
3347 (file_table_last_lookup_index): Delete.
3348 (emitcount): Delete.
3349 (last_emitted_file): New.
3350 (lookup_filename): Change prototype to return a struct dwarf_file_data.
3351 (init_file_table): Delete.
3352 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
3353 (AT_addr): Add comment.
3357 (print_die): Handle dw_val_class_file.
3358 (print_dwarf_line_table): Update for new file table structure.
3359 (attr_checksum): Do checksum a filename.
3360 (same_dw_val_p, same_attr_p): Do compare a filename.
3361 (size_of_die): Handle dw_val_class_file.
3362 (value_format): Likewise.
3363 (output_die): Likewise. Also, call maybe_emit_file here.
3364 (struct file_info): Constify filenames. Make file_idx a pointer
3365 to a struct dwarf_file_data.
3366 (struct dir_info): Constify directory names. Remove 'used' field.
3367 (struct file_name_acquire_data): New.
3368 (file_name_acquire): New.
3369 (output_file_names): Modify to handle new file data structures.
3370 (add_src_coords_attributes): Use add_AT_file.
3371 (add_call_src_coords_attributes): Likewise.
3372 (dwarf2out_imported_module_or_decl): Likewise.
3373 (gen_subprogram_die): Modify for new file data structures.
3374 (gen_variable_die): Likewise.
3375 (file_table_eq): New.
3376 (file_table_hash): New.
3377 (file_table_last_lookup): New.
3378 (lookup_filename): Rewrite to handle new file data structures.
3379 (maybe_emit_file): Rewrite to handle new file data structures.
3380 (dwarf2out_source_line): Always call lookup_filename and
3382 (dwarf2out_init): Create file_table here.
3383 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
3384 (file_table_relative_p): New.
3385 (dwarf2out_finish): Change detection of relative filenames
3386 to work with new file data structures. Move output_line_info call
3387 after debug_info output.
3389 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
3394 * config/i386/i386.c (override_options): Always default to 16
3395 byte stack boundary.
3397 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
3400 * var-tracking.c (dump_dataflow_set): Start dumping at
3402 (clobber_variable_part): Kill only the variable part in
3403 registers holding it, leaving other variables alone.
3405 2006-09-11 Josh Triplett <josh@freedesktop.org>
3407 * doc/extend.texi (Other Builtins): Actually use the macro
3408 argument in the documentation example for
3409 __builtin_types_compatible_p.
3411 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
3413 PR rtl-optimization/28726
3414 * sched-deps.c (sched_analyze_reg): New function extracted from...
3415 (sched_analyze_1): ...here. Call it to analyze references to
3416 registers. Treat again writes to a stack register as writing to the
3418 (sched_analyze_2): ...and here. Call it to analyze references to
3419 registers. Treat again reads of a stack register as reading the
3422 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
3423 David Edelsohn <edelsohn@gnu.org>
3426 * config/rs6000/spe.md (frob_df_di): Remove %H.
3427 (frob_di_df): Remove %H. Change evmergelo to mr.
3428 (frob_di_df_2): Remove %H. Change evldd to two loads.
3430 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
3432 * doc/cpp.texi: Fix names of charset options.
3434 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
3437 * config/i386/i386.c (override_options): Use 128-bit
3438 stack boundary always for 64bits.
3440 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
3442 PR rtl-optimization/28636
3443 * combine.c (force_to_mode): Test for side-effects before
3444 substituting by zero.
3445 (simplify_shift_const): Likewise for zero or other constants.
3447 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
3450 * builtins.c (expand_builtin_setjmp): Force next_lab to be
3453 2006-09-10 Richard Sandiford <richard@codesourcery.com>
3456 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
3457 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
3458 returned by mode_for_size, rather than the mode of src itself,
3459 to choose between 32-bit and 64-bit patterns.
3460 (mips_mem_fits_mode_p): New function.
3461 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
3462 that the size of the source matches the size of the destination.
3463 (mov_<store>l, mov_<store>r): Likewise.
3465 2006-09-10 Eric Christopher <echristo@apple.com>
3467 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
3470 2006-09-09 Eric Christopher <echristo@apple.com>
3473 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
3476 2006-09-09 Roger Sayle <roger@eyesopen.com>
3477 Nicolas Setton <setton@adacore.com>
3479 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
3481 2006-09-10 Andreas Schwab <schwab@suse.de>
3483 * config/m68k/m68k.md (bungt_rev): New pattern.
3485 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
3486 Dale Johannesen <dalej@apple.com>
3489 * regclass.c (struct reg_pref): Update documentation.
3490 (regclass): Set prefclass to NO_REGS if memory is the best option.
3491 (record_reg_classes): Cope with a prefclass set to NO_REGS.
3493 2006-09-08 Eric Christopher <echristo@apple.com>
3495 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
3496 * config/t-slibgcc-darwin: Support x86_64 multilib.
3497 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
3498 Return 1 for x86_64-darwin.
3499 * config/i386/t-darwin: Add m64 multilib.
3500 (LIB2_SIDITI_CONV_FUNCS): Use.
3501 (LIB2FUNCS_EXTRA): Ditto.
3502 * config/i386/darwin.h: Support x86_64.
3503 * config/i386/i386.c (override_options): Turn on flag_pic
3504 for x86_64-darwin. Disable flag_omit_pointer.
3505 (get_pc_thunk_name): Assert !TARGET_64BIT.
3506 (legitimate_address_p): Disable machopic addressing for
3508 (legitimize_pic_address): Ditto.
3509 (ix86_expand_move): Ditto.
3510 (ix86_expand_call): Ditto.
3511 (machopic_output_stub): Ditto.
3512 * config/darwin.c (machopic_select_section): Support literal16.
3513 (machopic_select_rtx_section): Ditto.
3514 * config/darwin-sections.def: Ditto.
3515 * config/darwin-64.c: New.
3517 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
3520 * c-tree.h (struct c_arg_info): Add pending_sizes.
3521 * c-parser.c (c_parser_parms_declarator,
3522 c_parser_parms_list_declarator): Initialize pending_sizes.
3523 * c-decl.c (get_parm_info): Initialize pending_sizes.
3524 (get_parm_info): Set pending_sizes.
3525 (grokdeclarator): Call put_pending_sizes for parameters for
3526 function definition only.
3528 2006-09-07 Jason Merrill <jason@redhat.com>
3531 * varasm.c (output_constant): Only strip actual no-op conversions.
3534 * config/i386/i386.c (override_options): Use 128-bit
3535 stack boundary if -msse.
3537 2006-09-07 Eric Christopher <echristo@apple.com>
3539 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
3541 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
3544 2006-09-07 Geoffrey Keating <geoffk@apple.com>
3546 * dwarf2out.c: Remove strange characters from comment above
3547 dwarf2out_frame_debug_expr.
3549 2006-09-07 Eric Christopher <echristo@apple.com>
3551 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
3552 * config/darwin.h: ... to here.
3554 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
3556 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
3558 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
3559 (TARGET_PARTIAL_FLAG_REG_STALL): New.
3561 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
3562 TARGET_PARTIAL_FLAG_REG_STALL.
3563 (*ashldi3_cconly_rex64): Likewise.
3564 (*ashlsi3_cmp): Likewise.
3565 (*ashlsi3_cconly): Likewise.
3566 (*ashlsi3_cmp_zext): Likewise.
3567 (*ashlhi3_cmp): Likewise.
3568 (*ashlhi3_cconly): Likewise.
3569 (*ashlqi3_cmp): Likewise.
3570 (*ashlqi3_cconly): Likewise.
3571 (*ashrdi3_cmp_rex64): Likewise.
3572 (*ashrdi3_cconly_rex64): Likewise.
3573 (*ashrsi3_cmp): Likewise.
3574 (*ashrsi3_cconly): Likewise.
3575 (*ashrsi3_cmp_zext): Likewise.
3576 (*ashrhi3_cmp): Likewise.
3577 (*ashrhi3_cconly): Likewise.
3578 (*ashrqi3_cmp): Likewise.
3579 (*ashrqi3_cconly): Likewise.
3580 (*lshrdi3_cmp_rex64): Likewise.
3581 (*lshrdi3_cconly_rex64): Likewise.
3582 (*lshrsi3_cmp): Likewise.
3583 (*lshrsi3_cconly): Likewise.
3584 (*lshrsi3_cmp_zext): Likewise.
3585 (*lshrhi3_cmp): Likewise.
3586 (*lshrhi3_cconly): Likewise.
3587 (*lshrqi2_cmp): Likewise.
3588 (*lshrqi2_cconly): Likewise.
3590 2006-09-07 Uros Bizjak <uros@kss-loka.si>
3593 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
3594 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
3595 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
3596 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
3597 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
3598 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
3599 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
3600 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
3601 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
3602 implement only CC setting effects of shift instructions.
3604 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
3606 * doc/contrib.texi: Add myself.
3608 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
3611 * stor-layout.c (relayout_decl): Don't zero the alignment if it
3612 was set by the user.
3614 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
3617 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
3618 (divsi_inv_m1): Use them.
3619 (UNSPEC_DIV_INV_TABLE): New constant.
3621 2006-09-06 James E Wilson <wilson@specifix.com>
3624 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
3625 then call count_or_remove_death_notes.
3627 2006-09-06 Jason Merrill <jason@redhat.com>
3630 * tree-inline.c (copy_result_decl_to_var): New fn.
3631 (declare_return_variable): Use it. Call declare_inline_vars here.
3632 (expand_call_inline): Not here.
3634 2006-09-06 Diego Novillo <dnovillo@redhat.com>
3636 * doc/contrib.texi: Update my entry.
3638 2006-09-06 Nick Clifton <nickc@redhat.com>
3640 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
3642 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
3645 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
3646 (canonicalize_induction_variables): Likewise.
3647 (tree_unroll_loops_completely): Likewise.
3648 (tree_ssa_prefetch_arrays): Likewise.
3649 (remove_empty_loops): Likewise.
3650 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
3651 TODO_cleanup_cfg instead of directly calling
3652 cleanup_tree_cfg_loop.
3653 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
3655 (tree_unroll_loops_completely): Likewise.
3656 (remove_empty_loops): Likewise.
3657 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
3658 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
3659 of tree_ssa_unswitch_loops.
3660 (tree_ssa_loop_ivcanon): Use the return value of
3661 canonicalize_induction_variables.
3662 (tree_ssa_empty_loop): Use the return value of
3664 (tree_complete_unroll): Use the return value of
3665 tree_unroll_loops_completely.
3666 (tree_ssa_loop_prefetch): Use the return value of
3667 tree_ssa_prefetch_arrays.
3668 * passes.c (execute_todo): Before Cleanup CFG, set
3669 updating_used_alone and after cleanup CFG, call
3670 recalculate_used_alone.
3672 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
3675 * tree-vect-transform.c (vectorizable_condition): Move the check
3676 for the type after the check for simple condition.
3678 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
3679 Kaz Kojima <kkojima@gcc.gnu.org>
3682 * mode-switching.c (optimize_mode_switching): Make the destination
3683 block of an abnormal edge have no anticipatable mode. Don't
3684 insert mode switching code at the end of the source block of
3687 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
3689 PR rtl-optimization/26847
3690 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
3691 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
3692 (simplify_plus_minus): Count n_constants while filling ops. Replace
3693 qsort with insertion sort. Before going through the array to simplify
3694 pairs, sort it. Delay early exit until after the first sort, exiting
3695 only if no swaps occurred. Simplify pairs in reversed order, without
3696 special-casing the first iteration. Pack ops after simplifying pairs.
3698 2006-09-05 Anatoly Sokolov <aesok@post.ru>
3700 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
3701 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
3702 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
3703 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
3705 2006-09-05 Richard Guenther <rguenther@suse.de>
3707 PR tree-optimization/28900
3708 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
3709 compound conditional before creating COND_EXPR condition.
3711 2006-09-05 Richard Guenther <rguenther@suse.de>
3713 PR tree-optimization/28905
3714 * tree-vrp.c (fix_equivalence_set): Manually implement
3715 !value_ranges_intersect_p to also handle symbolic ranges.
3717 2006-09-05 Richard Guenther <rguenther@suse.de>
3720 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
3723 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
3725 PR rtl-optimization/27616
3726 * cse.c (table_size): New static variable.
3727 (new_basic_block): Initialize it to 0.
3728 (remove_from_table): Decrement it.
3729 (insert): Increment it.
3730 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
3731 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
3732 fold_rtx_mem_1 if under the cap.
3733 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
3734 the lookup of the equivalent expression and test for equality of the
3735 first operand of the equivalent expression before in turn looking up
3736 an equivalent constant for the second operand.
3738 2006-09-02 Geoffrey Keating <geoffk@apple.com>
3741 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
3742 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
3743 pointer, instead of assuming it is possible to derive the
3744 correct args size from a call insn.
3746 2006-09-02 Jakub Jelinek <jakub@redhat.com>
3749 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
3750 (fold_builtin_mempcpy): Rename to...
3751 (fold_builtin_memory_op): ... this. Optimize one element copy
3753 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
3755 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
3756 (expand_builtin_memcpy, expand_builtin_mempcpy,
3757 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
3758 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
3759 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
3760 BUILT_IN_MEM{CPY,PCPY,MOVE}.
3762 2006-09-01 DJ Delorie <dj@redhat.com>
3764 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
3765 (stzx_16): Likewise.
3766 ("stzx_24_<mode>"): Likewise.
3767 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
3768 ("cmp<mode>_op"): New.
3769 (cmp<mode>): Change to expander; just save operands.
3771 (b<code>): Change to expander, emit compare here.
3772 (s<code>_op): Change to use split and expander.
3773 (s<code>_24_op): Likewise.
3774 (s<code>_<mode>): New.
3775 (s<code>_<mode>_24): New.
3776 (movqicc_<code>_<mode): New.
3777 (movhicc_<code>_<mode>): New.
3780 * config/m32c/m32c.c (compare_op0, compare_op1): New.
3781 (m32c_pend_compare): New.
3782 (m32c_unpend_compare): New.
3783 (m32c_expand_scc): New.
3784 (m32c_expand_movcc): Emit the compare also.
3785 * config/m32c/predicates.md (mra_nopp_operand): New.
3787 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
3788 Richard Guenther <rguenther@suse.de>
3789 Adam Nemet <anemet@caviumnetworks.com>
3792 * builtins.c (get_pointer_alignment): Handle more forms
3793 of base addresses that can be used to derive more precise
3794 information about alignment.
3796 2006-09-01 Jason Merrill <jason@redhat.com>
3799 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
3802 * gimplify.c (voidify_wrapper_expr): Handle null type.
3804 2006-09-01 Josh Conner <jconner@apple.com>
3807 * tree-nrv.c (dest_safe_for_nrv_p): New function.
3808 (execute_return_slot_opt): Use it.
3810 2006-08-31 Josh Conner <jconner@apple.com>
3813 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
3814 returning aggregates.
3816 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
3818 PR tree-optimization/28839
3819 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
3820 blocks in that phi arguments appear.
3822 2006-08-31 Roger Sayle <roger@eyesopen.com>
3825 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
3826 NULL, otherwise use an advance_loc4 to adjust relative to the
3828 (output_cfi) <DW_CFA_set_loc>: Update the current label.
3829 (dwarf2out_switch_text_section): Reset the current label to avoid
3830 using advance_loc4 over section boundaries.
3832 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
3835 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
3836 r12 + SYMBOLIC_CONST.
3838 2006-08-30 Richard Guenther <rguenther@suse.de>
3840 * Makefile.in (see.o): Add $(EXPR_H) dependency.
3842 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
3844 PR rtl-optimization/27735
3845 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
3846 Add new argument to keep track of whether an irreducible region
3847 was affected. All callers changed.
3848 (fix_irreducible_loops): Removed.
3849 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
3850 flags were invalidated.
3852 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
3854 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
3855 instead of SF operands.
3856 (*fop_df_comm_sse): Likewise.
3857 (*fop_df_comm_i387): Likewise.
3858 (*fop_df_1_mixed): Likewise.
3859 (*fop_df_1_sse): Likewise.
3861 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
3862 J"orn Rennecke <joern.rennecke@st.com>
3864 PR tree-optimization/17506
3865 * tree-ssa.c (warn_uninit): If warning about a location outside of
3866 the current function, note where the variable was declared.
3868 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
3870 PR tree-optimization/28411
3871 * double-int.c (double_int_div): Use double_int_divmod.
3872 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
3873 double_int_mod, double_int_smod, double_int_umod): New functions.
3874 * double-int.h (double_int_divmod, double_int_sdivmod,
3875 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
3877 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
3879 (get_computation_aff, get_computation_cost_at): Handle double_int
3880 return type of constant_multiple_of.
3882 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
3885 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
3886 an implicit conversion.
3888 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
3890 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
3892 2006-08-27 Roger Sayle <roger@eyesopen.com>
3894 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
3897 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
3899 * config/i386/crtfastmath.c: Fix a comment typo.
3901 2006-08-26 Roger Sayle <roger@eyesopen.com>
3903 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
3904 temporary visit flags on CASE_LABEL_EXPRs.
3905 * c-common.c (match_case_to_enum): Add function comment. Avoid
3906 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
3907 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
3908 CASE_HIGH_SEEN for enumerated types. If the switch expression is
3909 a constant, only warn if that constant value isn't handled.
3911 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
3914 * input.h (restore_input_file_stack): Declare.
3915 (INPUT_FILE_STACK_BITS): Define.
3916 * toplev.c (fs_p, input_file_stack_history,
3917 input_file_stack_restored, restore_input_file_stack): New.
3918 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
3919 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
3920 (pop_srcloc): Don't free old state of stack.
3922 2006-08-26 David Edelsohn <edelsohn@gnu.org>
3925 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
3926 (PowerPC Type Attributes): New.
3928 2006-08-26 Bob Wilson <bob.wilson@acm.org>
3930 * config/xtensa/xtensa.c (function_arg_boundary): New.
3931 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
3933 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
3934 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
3936 2006-08-26 Jakub Jelinek <jakub@redhat.com>
3939 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
3942 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3944 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
3945 (verify_local_live_at_start): Likewise.
3947 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
3950 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
3951 omp_add_variable): Treat sizes as variable whenever not
3954 2006-08-26 Richard Guenther <rguenther@suse.de>
3957 * fold-const.c (fold_binary): Fold temporary to correct
3958 type before constructing new comparison.
3960 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
3963 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
3964 variable again if DECL_SEEN_IN_BIND_EXPR_P.
3966 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
3969 * c-decl.c (start_function): Don't try to process prototype
3970 information from old declaration that isn't a function.
3972 2006-08-25 Jan Hubicka <jh@suse.cz>
3975 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
3977 2006-08-25 Alan Modra <amodra@bigpond.net.au>
3980 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
3983 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
3985 PR tree-optimization/16876
3986 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
3987 exit if PARM doesn't match VALUE.
3989 2006-08-25 Bob Wilson <bob.wilson@acm.org>
3991 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
3992 literal_prefix directive.
3993 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
3994 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
3995 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
3997 2006-08-25 David Edelsohn <edelsohn@gnu.org>
4000 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
4001 predicate to general_operand. Add 0->y and I->r alternatives.
4003 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
4005 * doc/tm.texi: Fix a typo.
4006 * predict.c: Fix comment typos.
4008 2006-08-25 Nick Clifton <nickc@redhat.com>
4010 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
4011 assertions of "cpu" and "machine".
4013 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
4016 * tree-ssa-operands.c (access_can_touch_variable): Don't say
4017 the access through a base which has an alias set of 0 cannot
4020 2006-08-24 Bill Wendling <wendling@apple.com>
4022 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
4024 2006-08-24 Jan Hubicka <jh@suse.cz>
4026 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
4028 2006-08-24 Jan Hubicka <jh@suse.cz>
4031 * cgraph.c: Fix comments.
4032 (cgraph_varpool_mark_needed_node): Mark only variables not already
4034 * cgraphunit.c: Update comments; include gt-cgraphunit.h
4035 (cgraph_varpool_assembled_nodes_queue): New static variable.
4036 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
4037 (cgraph_varpool_output_debug_info): New function.
4038 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
4039 * Makefile.in: Add gt-cgraphunit.h
4041 2006-08-24 Jan Hubicka <jh@suse.cz>
4043 * predict.c (probability_reliable_p): New predicate.
4044 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
4045 (predict_loops): Do not predict loop exit with less than 2%
4047 * basic-block.h (edge_probability_reliable_p,
4048 br_prob_note_reliable_p): Declare.
4049 * ia64.h (ia64_print_operand): Do not disable on-chip branch
4050 prediction when static predictor is not reliable.
4051 * rs6000.c (output_cbranch): Likewise.
4053 2006-08-23 Stuart Hastings <stuart@apple.com>
4056 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
4057 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
4059 2006-08-21 Geoffrey Keating <geoffk@apple.com>
4062 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
4063 complex values, nor for generic vector values.
4065 2006-08-22 Richard Guenther <rguenther@suse.de>
4068 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
4069 parameter. Convert arguments to arithmetic expression to the
4071 (analyze_scalar_evolution_1): Adjust caller.
4073 2006-08-22 Jan Hubicka <jh@suse.cz>
4075 Patch by Paolo Bonzini
4076 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
4079 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
4081 PR tree-optimization/28003
4082 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
4083 before grouping aliases.
4085 2006-08-22 Roger Sayle <roger@eyesopen.com>
4087 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
4088 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
4090 2006-08-21 Jason Merrill <jason@redhat.com>
4093 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
4094 wrapper. Loop to handle nested wrappers.
4095 (gimplify_bind_expr): Remove temp parameter.
4096 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
4097 and STATEMENT_LIST on the rhs.
4098 (gimplify_statement_list): Voidify the STATEMENT_LIST.
4099 (gimplify_expr): Pass pre_p to gimplify_statement_list.
4100 (gimplify_target_expr): Remove special BIND_EXPR handling.
4102 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
4104 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
4107 2006-08-21 Olivier Hainque <hainque@adacore.com>
4109 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
4110 Arrange for the temporary captures of components overlapping the lhs
4111 to happen before the lhs is possibly cleared.
4113 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
4115 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
4116 necessary places to pass the correct "number of registers" values
4119 2006-08-20 Jan Hubicka <jh@suse.cz>
4121 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
4122 (create_name_tags): Instead of quadratic checking use hashtable.
4123 * bitmap.h: Include hashtab.h.
4124 (bitmap_hash): Declare.
4125 * bitmap.c (bitmap_hash): New function.
4127 2006-08-20 Jan Hubicka <jh@suse.cz>
4129 PR rtl-optimization/28071
4130 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
4132 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
4133 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
4134 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
4135 cgraph_decide_inlining_incrementally): Update use of
4136 cgraph_check_inline_limits.
4137 * cgraph.c (edge_hash, edge_eq): New function.
4138 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
4139 cgraph_edge_remove_caller, cgraph_node_remove_callees,
4140 cgraph_remove_node): Maintain call site hash.
4141 * cgraph.h (struct cgraph_node): Add call_site_hash.
4142 (cgraph_set_call_stmt): New function.
4144 2006-08-20 Jan Hubicka <jh@suse.cz>
4146 PR rtl-optimization/28071
4147 * reload1.c (reg_has_output_reload): Turn into regset.
4148 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
4149 choose_reload_regs, emit_reload_insns): Update to new
4150 reg_has_output_reload.
4152 2006-08-20 Jan Hubicka <jh@suse.cz>
4155 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
4156 function body sizes.
4157 * cgraphunit.c (cgraph_analyze_function): Don't do so.
4159 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
4162 * tree.c (handle_dll_attribute): Return early if not a
4163 var or function decl.
4165 2006-08-18 Joseph Myers <joseph@codesourcery.com>
4168 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
4169 alignment of SPE vector types.
4171 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
4173 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
4175 2006-08-17 Jakub Jelinek <jakub@redhat.com>
4178 * cgraph.h (struct cgraph_node): Remove externally_visible
4180 * cgraphunit.c (process_function_and_variable_attributes): Set
4181 local.externally_visible rather than externally_visible.
4184 * c-common.c (handle_externally_visible_attribute): First look
4185 at TREE_CODE and only if it is function or var decl, check for
4186 non-public objects. Don't warn for DECL_EXTERNAL.
4187 * cgraphunit.c (process_function_and_variable_attributes): Warn
4188 if externally_visible attribute is used on non-public object.
4190 2006-08-17 Jan Hubicka <jh@suse.cz>
4192 PR tree-optimization/27865
4193 * reload1.c (forget_marked_reloads): New function.
4194 (forget_old_reloads_1): When data are passed, just mark the registers
4196 (reload_as_needed): Use the new mechanizm.
4198 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
4201 * reload.h (reg_equiv_alt_mem_list): New declaration.
4202 * reload1.c (reg_equiv_alt_mem_list): New definition.
4203 (reload): Initialize it and release it.
4204 (delete_output_reload): Use it.
4205 * reload.c (push_reg_equiv_alt_mem): New function.
4206 (find_reloads_toplev): Call it.
4207 (find_reloads_address, find_reloads_address_1): Likewise.
4208 (find_reloads_subreg_address): Likewise.
4210 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4212 PR rtl-optimization/28489
4213 * sched-ebb.c (begin_schedule_ready): Create basic block
4215 (advance_target_bb): Skip empty blocks.
4216 * haifa-sched.c (bb_note): Make global.
4217 * sched-int.h (bb_note): Add prototype.
4219 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
4221 PR tree-optimization/27865
4222 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
4224 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
4225 fold_used_pointer, pointer_used_p): New functions.
4226 (analyze_scalar_evolution_1): Use fold_used_pointer.
4227 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
4228 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
4231 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
4234 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
4235 or the INTEGER_CST. Fail on a CALL_EXPR.
4236 (fold_offsetof): Pass new argument to fold_offsetof_1.
4237 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
4238 operand into an INDIRECT_REF.
4239 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
4241 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
4243 PR gcov/profile/26570
4244 * value-prof.c (static_values): Removed.
4245 (tree_find_values_to_profile): Do not set static_values.
4246 (find_values_to_profile): Do not free static_values.
4247 * profile.c (instrument_values): Do not free the values.
4248 (branch_prob): Free the values.
4250 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
4252 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
4254 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
4257 * c-typeck.c (build_component_ref): Combine qualifiers of
4258 structure or union and field.
4260 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
4262 PR rtl-optimization/28071
4263 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
4264 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
4265 * tree-into-ssa.c (struct dom_dfsnum): New.
4266 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
4268 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
4269 compute_global_livein.
4270 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
4271 in phi nodes in the correct blocks.
4273 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
4275 PR tree-optimization/28364
4276 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
4278 (fold_affine_expr): New function.
4279 (may_eliminate_iv): Use fold_affine_expr.
4281 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4284 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
4287 2006-08-16 Mike Stump <mrs@apple.com>
4289 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
4290 * doc/cppopts.texi (-MD): Likewise.
4292 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
4295 * c-common.c (handle_weak_attribute): Ignore and warn if
4296 not a FUNCTION_ or VAR_DECL.
4298 2006-07-15 Mike Stump <mrs@apple.com>
4301 * c-parser.c (c_parser_typeof_specifier): Don't use
4302 c_finish_expr_stmt, open code desired semantics instead.
4304 2006-08-15 Nick Clifton <nickc@redhat.com>
4306 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
4307 fragment to tmake_file only if threads are enabled.
4308 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
4309 * config/i386/t-gthr-win32: New file. ... here.
4311 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4314 * c-parser.c (c_parser_compound_statement_nostart): Reset
4315 parser->error after each statement.
4317 2006-08-15 Jakub Jelinek <jakub@redhat.com>
4320 * omp-low.c (lower_omp_parallel): Convert t to
4321 receiver_decl's type.
4322 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
4323 source before comparison.
4326 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
4327 to itype in assignment to oldival2.
4329 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
4333 * c-typeck.c (build_compound_expr): If the second expression
4334 is an error mark, then just return an error mark instead of
4335 creating a COMPOUND_EXPR.
4337 2006-07-14 Mike Stump <mrs@apple.com>
4339 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
4341 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
4343 * c-decl.c, var-tracking.c: Fix comment typos.
4345 2006-08-14 Richard Sandiford <richard@codesourcery.com>
4347 PR rtl-optimization/28634
4348 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
4349 for floating-point modes unless flag_unsafe_math_optimizations.
4351 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
4352 Andrew Pinski <pinskia@physics.uc.edu>
4355 * tree.c (build_array_type): Unify array types with
4356 unspecified index_type.
4357 * c-decl.c (grokdeclarator): Make sure we do not modify a
4358 unified incomplete array type.
4359 * c-typeck.c (store_init_value): Create distinct type before
4360 filling in the index type in an initializer from a compound
4363 * c-decl.c (grokdeclarator): Remove code where we copy the
4366 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
4368 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
4369 into account for TODO_dump_cgraph.
4370 (TODO_update_ssa_no_phi): Likewise.
4371 (TODO_update_ssa_full_phi): Likewise.
4372 (TODO_update_ssa_only_virtuals): Likewise.
4373 (TODO_remove_unused_locals): Likewise.
4374 (TODO_set_props): Likewise.
4375 (TODO_update_stmt_usage): Likewise.
4377 2006-08-13 Dirk Mueller <dmueller@suse.de>
4379 * c-common.c (strict_aliasing_warning): Fix formatting.
4381 2006-08-13 Matthias Klose <doko@debian.org>
4383 * doc/invoke.texi: Fix spelling errors.
4385 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
4387 PR rtl-optimization/23454
4388 * reorg.c (relax_delay_slots): Update comment.
4390 2006-08-11 Richard Guenther <rguenther@suse.de>
4393 * simplify-rtx.c (simplify_const_relational_operation):
4394 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
4397 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
4399 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
4400 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
4402 2006-08-10 Paul Brook <paul@codesourcery.com>
4404 * final.c (final_scan_insn): Clear current_insn_predicate before
4405 outputting inline asm.
4407 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
4409 PR tree-optimization/26197
4410 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
4411 get_ref_base_and_extent and overlap_subvar to add only relevant
4412 subvars as may-aliases.
4413 (add_may_alias_for_new_tag): New function, factored out of
4415 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
4416 with additional argument.
4417 * tree-flow.h (new_type_alias): Takes additional argument.
4419 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
4421 * gcov.c (no_data_file): New flag.
4422 (read_count_file): Set it if data file not present. Assume counts
4424 (output_lines): Don't name the data file, if there wasn't one.
4426 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
4428 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
4429 (rs6000_generate_compare): Tweak comments.
4430 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
4432 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
4434 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
4435 (var_debug_decl): New function.
4436 (var_reg_set): Follow debug decl link. Add location even if
4437 reg is already known to hold some other variable.
4438 (var_mem_set): Follow debug decl link.
4439 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
4440 decl link. Delete other known locations of the variable part
4442 (var_reg_delete, var_mem_delete): Delete other known locations
4443 of the variable part if requested.
4444 (same_variable_part_p): New function.
4445 (add_stores): Select MO_COPY when appropriate.
4446 (vt_initialize): Handle it.
4447 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
4448 known locations for MO_SET and MO_CLOBBER.
4449 (find_variable_location_part): New function.
4450 (set_variable_part, delete_variable_part): Use it.
4451 (clobber_variable_part): New function.
4452 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
4455 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
4457 PR tree-optimization/26969
4458 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
4459 with an empty list of PHIs.
4461 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
4465 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
4468 2006-08-06 Andreas Schwab <schwab@suse.de>
4470 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
4471 string. Whitespace and comment fixup.
4473 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4476 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
4480 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
4483 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
4485 2006-08-04 Jan Hubicka <jh@suse.cz>
4489 * reload.c (push_reload): Patch out the mismatching instruction;
4491 (find_reload): Bail out if the instruction was patched out.
4493 2006-08-04 Jan Hubicka <jh@suse.cz>
4495 PR tree-optimization/24888
4496 * tree-inline.c (expand_call_inline): Do not re-record variables.
4497 (declare_inline_vars): Add variable to unexpanded_var_list.
4499 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4500 Roger Sayle <roger@eyesopen.com>
4502 PR rtl-optimization/26244
4503 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
4504 inner_const are negative or greater than or equal to the bitsize of
4505 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
4506 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
4507 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
4508 CONST0_RTX (mode) when the new shift count is greater than or equal to
4509 to the bitsize of the object being shifted and XEXP (y, 0) has no side
4512 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
4514 * tree-cfg.c: Fix a comment typo.
4516 2006-08-03 Mark Mitchell <mark@codesourcery.com>
4519 * varasm.c (output_constant): Give the front end another chance to
4520 expand constants, after stripping NOPs.
4522 2006-08-03 Jan Hubicka <jh@suse.cz>
4524 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
4527 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
4529 PR tree-optimization/27770
4530 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
4531 declaration removed (moved to tree-flow.h).
4532 (vect_can_force_dr_alignment_p): Likewise.
4533 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
4534 (moved from tree-vectorizer.h).
4535 (vect_can_force_dr_alignment_p): Likewise.
4536 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
4537 from outside the vectorizer - in particular from cgraph stage.
4538 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
4539 the alignment of global arrays when -fsection-anchors is enabled.
4540 * cgraphunit.c (cgraph_increase_alignment): New function.
4541 (cgraph_optimize): Call cgraph_increase_alignment.
4543 2006-08-03 David Edelsohn <edelsohn@gnu.org>
4546 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
4547 not reload a SPE symbol_ref into a lo_sum address.
4549 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
4552 * dwarf2out.c (prune_unused_types_prune): Move call to
4553 prune_unused_types_update_strings to cover the parent DIE also.
4555 2006-08-02 Jan Hubicka <jh@suse.cz>
4557 PR gcov/profile/28480
4558 * tree-cfg.c (change_bb_for_stmt): New function.
4559 (tree_merge_blocks, tree_split_blocks): Use it.
4561 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4567 * toplev.c (compile_file): Return early on errorcount or sorrycount.
4568 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
4569 (cgraph_optimize): Likewise.
4571 2006-08-01 Stuart Hastings <stuart@apple.com>
4573 * rtl.h (UINTVAL) New.
4574 * config/rs6000/rs6000.c (SMALL_INT) Use it.
4575 * testsuite/gcc.dg/20060801-1.c: New.
4577 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
4580 * c-typeck.c (build_external_type): Mark used enum types.
4581 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
4583 (gen_subprogram_die): Whitespace fix.
4585 2006-08-01 Jan Hubicka <jh@suse.cz>
4587 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
4588 bitmap when not needed.
4589 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
4592 2006-08-01 Dirk Mueller <dmueller@suse.de>
4594 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
4596 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4598 * Makefile.in: Revert part of previous patch:
4599 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
4602 2006-07-30 Eric Christopher <echristo@apple.com>
4605 * doc/extend.texi (i386 Variable Attributes): Add anchor.
4606 (PowerPC Variable Attributes): New section.
4608 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
4610 PR target/28126 (partial fix)
4611 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
4613 2006-07-28 Jan Hubicka <jh@suse.cz>
4615 PR rtl-optimization/28071
4616 * cfgrtl.c (rtl_delete_block): Free regsets.
4617 * flow.c (allocate_bb_life_data): Re-use regsets if available.
4619 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4621 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
4622 and variables used in dependencies.
4624 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
4626 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
4627 %fs for -mcmodel=kernel.
4628 (stack_tls_protect_test_di): Likewise.
4630 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
4632 * Makefile.in: Use mkinstalldirs.
4634 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
4637 * opts-common.c (prune_options): Skip joined switches.
4639 2006-07-27 Jan Hubicka <jh@suse.cz>
4641 PR rtl-optimization/28071
4642 * cselib.c (cselib_process_insn): Don't remove useless values too
4643 often for very large hashtables.
4645 2006-07-27 Jan Hubicka <jh@suse.cz>
4647 PR rtl-optimization/28071
4648 * global.c (greg_obstack): New obstack.
4649 (allocate_bb_info): Use it.
4650 (free_bb_info): Likewise.
4651 (modify_reg_pav): Likewise.
4653 2006-07-27 Roger Sayle <roger@eyesopen.com>
4655 * builtins.c (fold_fixed_mathfn): When long and long long are the
4656 same size, canonicalize llceil*, llfloor*, llround* and llrint*
4657 functions to their lceil*, lfloor*, lround* and lrint* forms.
4659 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
4662 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
4664 (rev_branch_insn): Likewise.
4666 2006-07-27 Jan Hubicka <jh@suse.cz>
4668 PR rtl-optimization/28071
4669 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
4670 (reg_set_in_bb, max_reg_computed): New static variables.
4671 (regmove_optimize): Free the new array.
4672 (fixup_match_1): Update call of reg_is_remote_constant_p.
4674 2006-07-26 Jan Hubicka <jh@suse.cz>
4676 PR tree-optimization/27882
4677 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
4679 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
4681 (cgraph_analyze_compilation_unit): Likewise.
4682 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
4683 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
4684 (cgraph_early_inlinine): Make order garbage collected.
4685 * Makefile.in (gt-ipa-inline): New garbagecollected file.
4687 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
4689 * dbxout.c (output_types_sort): Add a comment.
4690 (output_used_types): Free the VEC.
4692 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
4694 * function.c (reorder_fix_fragments): Delete.
4695 (reorder_blocks): Don't call it.
4696 (reorder_blocks_1): Put all subblocks under the origin block.
4698 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
4700 PR rtl-optimization/27907
4701 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
4704 2006-07-25 Roger Sayle <roger@eyesopen.com>
4707 * convert.c (convert_to_integer): When transforming (T)foo(x) into
4708 bar(x) check that bar's result type can represent all the values of T.
4710 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
4712 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
4714 2006-07-25 Nick Clifton <nickc@redhat.com>
4716 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
4717 size_lookup[] array.
4718 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
4719 (ggc_pch_count_object): Likewise.
4720 (ggc_pch_alloc_object): Likewise.
4721 (ggc_pch_write_object): Likewise.
4722 (init_ggc): Do not attempt to initialize entries in the
4723 size_lookup[] array for objects whose size is greater than than
4724 the length of the array.
4726 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
4728 * dbxout.c (output_used_types_helper): Push queued types
4730 (output_types_sort): New.
4731 (output_used_types): Collect used types on a VEC and sort them
4734 2006-07-24 Richard Guenther <rguenther@suse.de>
4737 * cgraph.c (cgraph_remove_node): Do not check if dumps
4739 * cgraphunit.c (cgraph_optimize): Likewise.
4741 2006-07-24 Jan Hubicka <jh@suse.cz>
4743 PR rtl-optimization/28071
4744 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
4745 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
4746 splitting before first stmt.
4748 2006-07-24 Jan Hubicka <jh@suse.cz>
4750 PR rtl-optimization/28071
4751 * ipa-inline.c (update_caller_keys): Remove edges that
4752 are no longer inline candidates.
4754 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
4757 * dbxout.c (output_used_types_helper, output_used_types): New.
4758 (dbxout_symbol): Call output_used_types.
4760 2006-07-23 Jan Hubicka <jh@suse.cz>
4764 * cgraph.c (cgraph_varpool_nodes): Export.
4765 (decide_is_variable_needed): Ignored "used" attribute in
4766 unit-at-a-time mode.
4767 * cgraph.h (cgraph_varpool_nodes): Declare.
4768 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
4769 unit-at-a-time mode.
4771 2006-07-23 Roger Sayle <roger@eyesopen.com>
4774 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
4775 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
4776 the __gthrw form of thr_keycreate.
4777 (__gthread_key_delete): Silence the unused argument warning.
4779 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
4782 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
4783 Cache the last found '\0' marker to avoid quadratic behavior.
4785 2006-07-23 Jan Hubicka <jh@suse.cz>
4787 * i386.md (subsi_3_zext): Fix output template.
4789 2006-07-21 Mike Stump <mrs@apple.com>
4791 * doc/invoke.texi (C++ Dialect Options): Note that
4792 -fvisibility-inlines-hidden doesn't affect explicitly
4793 instantiationed inline methods.
4795 2006-07-20 Roger Sayle <roger@eyesopen.com>
4797 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
4798 if the target assembler is GNU binutils' gas.
4799 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
4800 whether to pass GNU gas or native as command line options.
4802 2006-07-20 Jason Merrill <jason@redhat.com>
4804 * tree.c (remove_attribute): New fn.
4805 * tree.h: Declare it.
4807 2006-07-20 Paul Brook <paul@codesourcery.com>
4810 * cse.c (cse_insn): Add destination addresses to hash table. Check if
4811 they are invalidated by this instruction.
4813 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
4816 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
4818 2006-07-20 Eric Christopher <echristo@apple.com>
4821 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
4823 2006-07-19 Eric Christopher <echristo@apple.com>
4825 * config/t-slibgcc-darwin (stmp-lipo): Remove.
4826 Rewrite dependencies for libgcc_s.1.dylib.
4828 2006-07-19 Jakub Jelinek <jakub@redhat.com>
4830 * except.c (duplicate_eh_regions_1): Clear next_peer.
4832 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
4834 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
4835 -mlongcall does not guarantee all calls will be long.
4836 * doc/extend.texi (long_call/short_call): Document that longcall
4837 does not guarantee a long call will be used.
4838 (longcall/shortcall): Likewise.
4840 2006-07-18 Roger Sayle <roger@eyesopen.com>
4843 * expmed.c (expand_shift): Additionally check that the shift_cost
4844 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
4845 before implementing a LSHIFT_EXPR as a sequence of additions.
4846 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
4847 middle-end that DImode shifts need to be synthesized by expand.
4849 2006-07-18 Diego Novillo <dnovillo@redhat.com>
4852 * tree-ssa-operands.c (access_can_touch_variable): Update
4854 Return true if ALIAS is .GLOBAL_VAR.
4856 2006-07-18 David Daney <ddaney@avtrex.com>
4858 * gcc.c (display_help): Fix typo in help text.
4860 2006-07-18 Olivier Hainque <hainque@adacore.com>
4862 * tree.h (categorize_ctor_elements): Adjust prototype and add
4863 descriptive comment, both in accordance with the interface change
4865 * varasm.c (constructor_static_from_elts_p): New function.
4866 Whether a constructor node is a valid static constant initializer
4867 if all its elements are.
4868 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
4869 * output.h: Declare it.
4870 * expr.c (categorize_ctor_elements_1): Return whether the constructor
4871 is a valid constant initializer instead of computing the number of
4872 non-constant elements. Use constructor_static_from_elts_p for this
4873 purpose. Replace the head comment with an indication that this is a
4874 helper for categorize_ctor_elements.
4875 (categorize_ctor_elements): Same interface change as for the _1
4876 helper. Former head comment from this helper moved here, adjusted to
4877 account for the interface changes.
4878 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
4879 (all_zeros_p): Likewise.
4880 * gimplify.c (gimplify_init_constructor): Decide whether we can make
4881 static versions of the constructor from the categorize_ctor_elements
4882 return value instead of the formerly computed number of non-constant
4885 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
4887 * configure: Regenerate.
4888 * Makefile.in (build_libsubdir): New configure substitution
4889 (build_libobjdir): New variable.
4890 (BUILD_LIBIBERTY): Use it.
4892 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4895 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
4897 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
4900 * c-common.c (handle_weakref_attribute): Ignore attribute in
4901 the same conditions the alias attribute is ignored.
4903 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
4905 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
4906 (dbxout_begin_prologue): Increment scope_labelno.
4908 2006-07-17 Richard Henderson <rth@redhat.com>
4911 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
4914 2006-07-17 Roger Sayle <roger@eyesopen.com>
4915 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4917 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
4918 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
4919 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
4920 functions such as sbrk, write, etc.. Add function prototypes.
4921 Convert function declarations from K&R to ISO C. Cast pointers
4922 to "long" and "unsigned long" instead of "int" and "unsigned int".
4923 Convert tokens following #endif into comments.
4925 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
4927 * invoke.texi: Remove mention of f77; Reformat table for
4928 inline parameter options correctly; mention that -malign-double
4929 is default on x86-64 targets.
4931 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
4933 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
4934 (convert_affine_scev, chrec_convert_aggressive): Use
4935 avoid_arithmetics_in_type_p. Do not check for the subtypes
4938 2006-07-17 Richard Sandiford <richard@codesourcery.com>
4941 * optabs.c (expand_doubleword_shift): Wrap the call to
4942 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
4944 2006-07-17 Richard Sandiford <richard@codesourcery.com>
4947 * optabs.c (expand_binop): Pass next_methods rather than methods
4948 to expand_doubleword_shift.
4950 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
4953 * tree.h (dump_addr): Declare.
4954 * print-tree.c (dump_addr): New function.
4955 (print_node_brief, print_node): Use it.
4956 * print-rtl.c (print_rtx): Likewise.
4957 * common.opt (-fdump-noaddr): New option.
4958 * doc/invoke.texi (-fdump-noaddr): Document.
4959 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
4960 (ve_info_hash): Likewise.
4962 2006-07-13 Andrew Haley <aph@redhat.com>
4964 PR tree-optimization/19505
4965 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
4966 edge leaving this block, make sure that the destination of this
4967 block has only one predecessor.
4969 2006-07-17 Richard Guenther <rguenther@suse.de>
4971 PR tree-optimization/28238
4972 * tree-inline.c (copy_bb): Check if we produced valid
4973 gimple copying and substituting a stmt. If not, gimplify
4976 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
4978 * optabs.c (maybe_encapsulate_block): New function extracted from...
4979 (emit_libcall_block): ...here. Invoke it on the block of insns to
4980 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
4981 (emit_no_conflict_block): Likewise.
4983 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
4985 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
4987 2006-07-15 Roger Sayle <roger@eyesopen.com>
4989 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
4990 a new NOP_EXPR case of the switch statement.
4992 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
4995 * stor-layout.c (place_field): Take the bit field with
4996 an excessive size into account in the ms-bitfiled case.
4999 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
5000 the previous bit field.
5002 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
5005 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
5007 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
5009 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
5010 signal frames correctly even when the signal was installed with
5013 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
5015 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
5016 (dbxout_function_end): Use local label LFBB. Remove hook
5018 (dbxout_source_line): Use local label LFBB.
5019 (dbxout_block): Likewise.
5020 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
5021 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
5022 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
5023 and DBX_OUTPUT_NFUN.
5025 2006-07-13 Janis Johnson <janis187@us.ibm.com>
5027 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
5029 2006-07-13 Jan Hubicka <jh@suse.cz>
5031 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
5033 * output.h (align_variable): Declare.
5034 * varasm.c (align_variable): Export.
5035 * value-prof.c (tree_value_profile_transformations): Recompute iterator
5036 when basic block changed.
5038 2006-07-13 Nick Clifton <nickc@redhat.com>
5040 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
5041 walking the LOG_LINKS chain.
5043 2006-07-12 Geoffrey Keating <geoffk@apple.com>
5045 * doc/invoke.texi (C++ Dialect Options): Explain difference
5046 between -fvisibility-inlines-hidden and setting hidden
5047 visibility explicitly.
5049 2006-07-12 Eric Christopher <echristo@apple.com>
5051 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
5052 (stmp-lipo): Depend on libgcc.a.
5054 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
5056 * tree.c: Fix a comment typo.
5058 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
5060 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
5062 (umulhisi3_r): Likewise.
5064 2006-07-12 Paolo Carlini <pcarlini@suse.de>
5067 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
5068 x < 19, vs wchar_t support.
5070 2006-07-12 Nick Clifton <nickc@redhat.com>
5072 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
5073 instead of -isa=sh4.
5075 2006-07-12 Mike Stump <mrs@apple.com>
5077 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
5079 2006-07-10 Eric Christopher <echristo@apple.com>
5081 * config/t-slibgcc-darwin: Rewrite.
5083 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
5086 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
5089 2006-07-08 Matthias Klose <doko@debian.org>
5091 * doc/sourcebuild.texi: Fix typo.
5093 2006-07-07 Mike Stump <mrs@apple.com>
5095 * toplev.c (process_options): Don't give -ffunction-sections may
5096 affect debugging warning for Mach-O.
5098 2006-07-07 James E Wilson <wilson@specifix.com>
5100 * config/mips/mips.md (cpu): Add sb1a.
5101 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
5102 addition to sb1. Adjust comments to clarify SB-1A differences from
5104 (ir_sb1a_load): New. Modify bypasses to use it.
5105 (ir_sb1a_simple_alu): Likewise.
5106 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
5107 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
5108 (mips_issue_rate): Add PROCESSOR_SB1A.
5109 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
5110 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
5111 (TARGET_SB1): Add PROCESSOR_SB1A check.
5112 (TUNE_SB1): Likewise.
5114 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
5115 * config/mips/mips.c (mips_store_data_bypass_p): New.
5116 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
5117 store_data_bypass_p.
5119 2006-07-08 Paul Brook <paul@codesourcery.com>
5122 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
5124 2006-07-07 Richard Guenther <rguenther@suse.de>
5127 * tree.h (build_one_cst): Declare.
5128 * tree.c (build_one_cst): New function.
5129 * tree-ssa-math-opts.c (get_constant_one): Remove.
5130 (insert_reciprocals): Use build_one_cst.
5131 * fold-const.c (fold_plusminus_mult): Likewise.
5133 2006-07-07 Roger Sayle <roger@eyesopen.com>
5135 * pointer-set.c (pointer_set_destroy): Correct whitespace.
5136 * cfgloopanal.c (dump_graph): Likewise.
5137 * dojump.c (discard_pending_stack_adjust): Likewise.
5138 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
5140 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
5141 * function.c (finalize_block_changes): Likewise.
5142 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
5143 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
5144 * rtl.c (dump_rtx_statistics): Likewise.
5145 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
5147 * varray.c (dump_varray_statistics): Likewise.
5148 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
5149 decode_decimal64, encode_decimal128, decode_decimal128,
5150 decimal_real_to_decimal): Likewise.
5152 2006-07-07 Richard Guenther <rguenther@suse.de>
5154 PR tree-optimization/28187
5155 * tree-vrp.c (vrp_operand_equal_p): New function.
5156 (vrp_bitmap_equal_p): Likewise.
5157 (update_value_range): Use them to compare old and new
5160 2006-07-06 Roger Sayle <roger@eyesopen.com>
5162 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
5163 a default case to switch statement to silence compiler warnings.
5165 2006-07-06 Roger Sayle <roger@eyesopen.com>
5168 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
5169 the configured assembler supports the x87's ffreep mnemonic.
5170 * configure: Regenerate.
5171 * config.in: Regenerate.
5173 * config/i386/i386.c (output_387_ffreep): New function.
5174 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
5175 (output_387_reg_move): Likewise.
5177 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
5179 Port to hosts whose 'sort' and 'tail' implementations
5180 treat operands with leading '+' as file names, as POSIX
5181 has required since 2001. However, make sure the code still
5182 works on pre-POSIX hosts.
5183 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
5184 which says you should use "tail -c +N" rather than "tail +Nc".
5185 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
5187 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
5189 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
5192 2006-07-06 David Edelsohn <edelsohn@gnu.org>
5195 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
5196 PRE_{INC,DEC} of TFmode.
5198 2006-07-06 David Edelsohn <edelsohn@gnu.org>
5199 Alan Modra <amodra@bigpond.net.au>
5202 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
5205 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5208 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
5209 Remove duplicate gtu.
5211 2006-07-05 Jason Merrill <jason@redhat.com>
5215 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
5216 * c-common.c (handle_packed_attribute): So don't copy it here.
5217 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
5219 2006-07-05 Mike Stump <mrs@apple.com>
5221 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
5223 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
5226 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
5228 2006-07-05 Richard Guenther <rguenther@suse.de>
5231 * config/i386/i386.md (*negdf2_1): Restrict pattern to
5232 TARGET_SSE2 targets if using SSE math.
5233 (*absdf2_1): Likewise.
5235 2006-07-05 Richard Guenther <rguenther@suse.de>
5237 PR tree-optimization/28162
5238 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
5239 make sure to convert the operands to the correct type.
5241 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
5243 PR tree-optimization/28218
5245 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
5246 to calculate and free the dominator information.
5248 2006-07-04 Peter O'Gorman <peter@pogma.com>
5250 * mklibgcc.in: chmod 644 before ranlib during install.
5252 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
5253 J"orn Rennecke <joern.rennecke@st.com>
5255 * configure.ac (.eh_frame data check): Use diff -b.
5257 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
5260 * Makefile.in (BUILD_RTL): Add build/vec.o.
5261 (build/gencondmd.o): Filter out -fkeep-inline-functions.
5262 (build/genextract): Delete.
5263 (build/genautomata): Likewise.
5265 2006-07-04 Alan Modra <amodra@bigpond.net.au>
5268 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
5269 128-bit IBM long doubles for ABI_V4.
5271 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
5273 * tree.c (range_in_array_bounds_p): New predicate.
5274 * tree.h (range_in_array_bounds_p): Declare it.
5275 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
5276 return a less conservative answer.
5277 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
5278 and flag 'is_group'.
5279 (IS_ELEMENT_FOR_GROUP): New macro.
5280 (FOR_EACH_ACTUAL_CHILD): Likewise.
5281 (next_child_for_group): New helper function.
5282 (can_completely_scalarize_p): Take into account groups.
5283 (sra_hash_tree): Handle RANGE_EXPR.
5284 (sra_elt_eq): Likewise.
5285 (lookup_element): Be prepared for handling groups.
5286 (is_valid_const_index): Delete.
5287 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
5288 instead of is_valid_const_index.
5289 <ARRAY_RANGE_REF>: New case.
5290 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
5291 is_valid_const_index.
5292 <ARRAY_RANGE_REF>: Do not unconditionally punt.
5293 (scan_dump): Dump info for groups too.
5294 (decide_instantiation_1): Likewise.
5295 (decide_block_copy): Assert that the element is not a group.
5296 Propagate decision to groups.
5297 (generate_one_element_ref): Handle RANGE_EXPR.
5298 (mark_no_warning): Iterate over actual childs.
5299 (generate_copy_inout): Likewise.
5300 (generate_element_copy): Likewise.
5301 (generate_element_zero): Likewise.
5302 (generate_element_init_1): Likewise.
5303 (dump_sra_elt_name): Handle RANGE_EXPR.
5305 2006-07-03 Roger Sayle <roger@eyesopen.com>
5307 PR tree-optimization/26251
5308 * tree-ssa-threadupdate.c (redirection_block_p): New function.
5309 (thread_block): When optimizing for size refuse to thread jumps
5310 that would require duplication of blocks other than redirection
5313 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
5315 * configure.ac: Fix thinko in previous check-in.
5316 * configure: Regenerate.
5318 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
5321 * configure.ac (for lang...): Simplify nesting of conditionals.
5322 Test subdir_requires for non-enabled languages. Move processing
5323 of lang_opt_files and lang_tree_fiels below that test.
5324 * configure: Regenerate.
5325 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
5327 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
5329 * doc/gcov.texi (Invoking Gcov): Add a missing word.
5331 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
5333 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
5336 2006-06-29 Jason Merrill <jason@redhat.com>
5343 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
5344 * c-common.c (c_determine_visibility): Handle it here.
5345 * c-decl.c (finish_decl): Call c_determine_visibility for
5347 * flags.h (enum symbol_visibility): Sort from most to least visibility.
5349 * varasm.c (default_assemble_visibility): Likewise.
5350 * c-common.c (handle_visibility_attribute): Complain about trying
5351 to give visibility to an already defined class, or trying to change
5352 declared visibility. Always attach the attribute.
5357 * attribs.c (decl_attributes): Ignore type-in-place attributes
5358 once the type has been defined.
5360 2006-06-29 Roger Sayle <roger@eyesopen.com>
5363 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
5364 to indicate the cpplib has issued an error message for us.
5366 2006-06-29 Asher Langton <langton2@llnl.gov>
5369 * config/i386/i386.c (ix86_output_function_epilogue): Don't
5370 insert a label at the end of an function under Mach-O.
5372 2006-06-29 Eric Christopher <echristo@apple.com>
5373 Evan Cheng <evan.cheng@apple.com>
5375 * predicates.md (vector_all_ones_operand): New.
5376 (nonimmediate_or_sse_const_operand): Ditto.
5377 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
5378 * config/i386/i386.c (standard_sse_constant_opcode): Define.
5379 (standard_sse_mode_p): Ditto.
5380 (standard_sse_constant_p): Add case for -1 vector.
5381 (ix86_expand_vector_move): Try to use.
5382 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
5383 Call standard_sse_constant_opcode.
5384 (*movv4sf_internal): Ditto.
5385 (*movv2df_internal): Ditto.
5387 2006-06-29 Roger Sayle <roger@eyesopen.com>
5389 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
5390 of XEXP to extract the operands of a MATCH_CODE rtx.
5392 2006-06-28 Andrew Pinski <pinskia@gmail.com>
5394 * tree.c (tree_size): Do not waste tail padding in
5395 struct tree_string and make the size be the same as
5396 build_string will generate.
5398 2006-06-28 Jason Merrill <jason@redhat.com>
5401 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
5402 may_aliases already in the tag's annotations to the bitmap.
5404 2006-06-28 Roger Sayle <roger@eyesopen.com>
5406 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
5408 2006-06-28 Roger Sayle <roger@eyesopen.com>
5410 * genpreds.c (generate_switch_p): New function.
5411 (add_mode_tests): Push the new mode test down inside an AND expr
5412 if this allows the switch-suitable MATCH_CODE to be near the root.
5413 (write_match_code_switch): New function to write a MATCH_CODE as
5415 (write_predicate_stmts): New function to write a predicate RTX
5416 expression as a sequence of statements.
5417 (write_one_predicate_function): Use write_predicate_stmts.
5418 (write_tm_constrs_h): Likewise.
5420 2006-06-26 Fred Fish <fnf@specifix.com>
5422 * config/mips/t-sb1: New file.
5423 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
5426 2006-06-26 DJ Delorie <dj@redhat.com>
5428 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
5430 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
5431 Jayant Sonar <jayants@kpitcummins.com>
5432 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
5434 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
5435 (subsi3, subsi3_1, subsi3_2): New.
5436 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
5437 * config/m32c/mov.md (SI mov peephole): New.
5438 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
5439 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
5441 2006-06-26 Olivier Hainque <hainque@adacore.com>
5443 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
5444 a CALL_EXPR target function declaration.
5446 2006-06-26 Richard Guenther <rguenther@suse.de>
5448 * tree.c (build_string): Do not waste tail padding in
5451 2006-06-26 Richard Guenther <rguenther@suse.de>
5453 * ggc-page.c (init_ggc): Add missing element to size_lookup
5457 2006-06-23 Richard Guenther <rguenther@suse.de>
5459 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
5460 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
5461 alignment requests instead. Add verification code.
5462 Add struct tree_function_decl and struct tree_binfo size to
5463 extra_order_size_table. Add missing element to size_lookup
5466 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
5469 * fold-const.c (const_binop): Be prepared for self returning zero.
5470 Simplify code handling complex values.
5472 2006-06-24 Olivier Hainque <hainque@adacore.com>
5474 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
5475 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
5478 2006-06-24 Olivier Hainque <hainque@adacore.com>
5480 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
5481 ARRAY_REF, so have the callback called for the low bound expression.
5483 2006-06-23 Janis Johnson <janis187@us.ibm.com>
5485 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
5486 * c-typeck.c (c_common_type): Disallow operations on decimal float
5487 types and other float types.
5488 * convert.c (convert_to_real): Don't ignore conversions involving
5489 decimal float types.
5491 2006-06-23 Olivier Hainque <hainque@adacore.com>
5493 * tree.c (max_int_size_in_bytes): New function, inspired from
5494 code in function.c:assign_temp.
5495 * tree.h (max_int_size_in_bytes): Declare.
5496 * function.c (assign_temp): Use it.
5497 * gimplify.c (create_tmp_var): Relax the assertions on the type
5498 properties, not mandating constant size any more.
5499 (force_constant_size): New static function.
5500 (gimple_add_tmp_var): Use it, forcing variable size to a
5501 constant upper bound if it is not constant on entry.
5503 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
5506 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
5507 for initialization and setting of one_only flag to ...
5508 (i386_pe_encode_section_info): ...here.
5509 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
5510 Recheck that the symbol has not been defined.
5512 2006-06-23 Richard Guenther <rguenther@suse.de>
5514 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
5515 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
5516 alignment requests instead. Add verification code.
5517 Add struct tree_function_decl and struct tree_binfo size to
5518 extra_order_size_table. Add missing element to size_lookup
5521 2006-06-22 Roger Sayle <roger@eyesopen.com>
5522 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5525 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
5526 call to lang_hooks.types.type_for_mode returned NULL_TREE.
5528 2006-06-23 Ben Elliston <bje@au.ibm.com>
5530 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
5531 negate dn -- manipulate it directly.
5533 2006-06-22 Roger Sayle <roger@eyesopen.com>
5534 Steven Bosscher <stevenb.gcc@gmail.com>
5537 * reload1.c (gen_reload): Call mark_jump_label on the new insns
5538 generated by gen_move_insn to add REG_LABEL notes if necessary.
5540 2006-06-22 Bob Wilson <bob.wilson@acm.org>
5542 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
5543 (leaf_entry): Remove use of MIN_ESA.
5545 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
5547 PR rtl-optimization/28121
5548 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
5551 2006-06-21 DJ Delorie <dj@redhat.com>
5553 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
5555 (mulhisi3_r): Likewise.
5557 2006-06-21 Richard Sandiford <richard@codesourcery.com>
5560 * coverage.c (coverage_counter_alloc): Leave the index type
5562 (coverage_counter_alloc): Use null arguments for operands 2 and 3
5565 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
5567 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
5568 section from the "Options for Code Generation Conventions".
5570 2006-06-21 Richard Henderson <rth@redhat.com>
5574 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
5576 (global_symbolic_operand): Allow weak symbols, even if local_p.
5578 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
5580 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
5581 (find_interesting_uses_address): Punt if above function returns true.
5583 2006-06-21 Richard Guenther <rguenther@suse.de>
5585 * configure: Regenerated.
5587 2006-06-21 Joseph Myers <joseph@codesourcery.com>
5589 * config/mips/mips.c (function_arg): Where one part of a
5590 complex argument is in registers and the other part in the stack,
5591 return a REG not a PARALLEL.
5593 2006-06-21 Mark Mitchell <mark@codesourcery.com>
5595 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
5596 when cross-compiling. Do not substitute libstdcxx_incdir.
5597 * configure: Regenerated.
5599 2006-06-21 Jakub Jelinek <jakub@redhat.com>
5601 * varasm.c (mergeable_string_section): Check for embedded NULs and
5602 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
5603 rather than TREE_STRING_LENGTH bytes.
5605 2006-06-21 Richard Guenther <rguenther@suse.de>
5607 * ggc-page.c (extra_order_size_table): Add var_ann_d,
5608 tree_ssa_name, bitmap_element and phi_node with 4 arguments
5611 2006-06-21 Richrad Guenther <rguenther@suse.de>
5613 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
5614 Limit iteration over the dominators.
5616 2006-06-20 Roger Sayle <roger@eyesopen.com>
5618 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
5619 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
5621 2006-06-20 Richard Guenther <rguenther@suse.de>
5622 Michael Matz <matz@suse.de>
5624 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
5626 * alloc-pool.c (free_alloc_pool_if_empty): New function.
5627 * et-forest.h (et_free_pools): Prototype new function.
5628 * et-forest.c (et_free_tree_force): Free parent occurrence.
5629 (et_free_pools): New function.
5630 * dominance.c (free_dominance_info): Free et-forest alloc
5633 2006-06-20 Roger Sayle <roger@eyesopen.com>
5635 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
5636 integer modes, attempt to directly construct an integer constant.
5638 * fold-const.c (native_encode_vector): Determine the size of each
5639 element from the vector type instead of the first vector element.
5641 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
5642 if all of its elements/components are constant.
5643 (build_constructor_from_list): Likewise.
5645 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
5647 PR tree-optimization/27331
5648 * tree-data-ref.c (free_data_ref): New function.
5649 (create_data_ref): Fail if the data reference has unknown access
5651 (free_data_refs): Use free_data_ref.
5653 2006-06-19 Andrew Pinski <pinskia@gmail.com>
5656 * tree-inline.c (setup_one_parameter): Strip useless
5657 type conversion before adding it to the IR.
5658 (declare_return_variable): Likewise.
5660 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
5663 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
5665 2006-06-19 Mike Stump <mrs@apple.com>
5667 * tree.c (variably_modified_type_p): VM arguments don't make the
5670 2006-06-19 Richard Guenther <rguenther@suse.de>
5672 * tree-ssa-pre.c (try_combine_conversion): Strip useless
5673 type conversions after folding.
5675 2006-06-19 Richard Guenther <rguenther@suse.de>
5677 * ggc-page.c (extra_order_size_tab): Add entries with
5678 size of struct function and basic_block.
5679 (size_lookup): Extend to cover sizes up to 511.
5680 (ggc_alloc_stat): Adjust user.
5681 (ggc_pch_count_object): Likewise.
5682 (ggc_pch_alloc_object): Likewise.
5683 (ggc_pch_write_object): Likewise.
5685 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
5687 * tree-ssa-loop-niter.c (implies_ge_p): New function.
5688 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
5691 2006-06-19 Denis Chertykov <denisc@overta.ru>
5693 * config/avr/libgcc.S : Correct my wrong previous commit.
5695 2006-06-19 Roger Sayle <roger@eyesopen.com>
5698 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
5699 have stripped a SUBREG from the shift count, so we may need to
5700 convert_to_mode back to the type's mode before calling make_tree.
5701 Use new_amount instead of amount to avoid expanding a tree twice.
5703 2006-06-19 Richard Guenther <rguenther@suse.de>
5706 * fold-const.c (operand_equal_p): Check if the argument types
5707 have the same precision before stripping NOPs.
5709 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
5711 Fix PR tree-optimization/27341
5712 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
5714 * tree-complex.c (pass_lower_complex): Update SMT usage.
5716 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
5718 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
5719 Add a new alternative to the constraint strings. Add move of
5720 operand 1 to 3 to the splitter definition.
5721 ("doloop_si_long"): Second contraint alternative removed.
5723 2006-06-08 Anatoly Sokolov <aesok@post.ru>
5725 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
5726 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
5728 (AVR_HAVE_MOVW) Define.
5729 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
5730 (ASM_SPEC): Add avr25.
5731 (LINK_SPEC): Add avr25.
5732 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
5733 (base_arch_s): Add new member 'have_movw_lpmx'.
5734 (avr_arch_types): Init 'have_movw_lpmx'.
5735 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
5736 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
5737 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
5738 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
5739 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
5741 (avr_file_start): Do not output '.arh' derective.
5742 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
5743 (__do_copy_data): Use __AVR_HAVE_LPMX__.
5744 * config/avr/avr.md (mcu_enhanced): Delete.
5745 (mcu_have_movw): Define.
5746 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
5747 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
5748 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
5749 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
5750 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
5751 attiny861 and at86rf401 devices.
5753 2006-06-18 Jie Zhang <jie.zhang@analog.com>
5755 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
5758 2006-06-17 Karl Berry <karl@gnu.org>
5760 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
5761 doc/gccint.texi, doc/install.texi (@dircategory): Use
5762 "Software development" instead of "Programming", following
5763 the Free Software Directory.
5765 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
5767 * config/i386/i386.c (legitimate_tls_address)
5768 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
5769 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
5770 (*tls_dynamic_gnu2_combine_64): Likewise.
5772 2006-06-16 Richard Guenther <rguenther@suse.de>
5775 * fold-const.c (negate_expr_p): Do not introduce undefined
5776 overflow in negating INTEGER_CSTs.
5777 (fold_negate_expr): Rename from negate_expr. Revert last
5778 change for folding BIT_NOT_EXPR. Change semantics to
5779 return NULL_TREE for non-simplified negations. Do not
5780 strip type conversions and unify type handling.
5781 (negate_expr): New function, wrap around fold_negate_expr
5782 but ensure building a tree always. Strip type conversions
5783 here, fold to result type.
5784 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
5786 2006-06-16 Roger Sayle <roger@eyesopen.com>
5789 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
5790 that (would) return their results in stack registers.
5792 2006-06-16 Michael Matz <matz@suse.de>
5793 Richard Guenther <rguenther@suse.de>
5795 * fold-const.c (fold_truthop): Only return new tree node if
5796 we canonicalized something.
5798 2006-06-16 Richard Guenther <rguenther@suse.de>
5800 * function.h (enum function_frequency): Move declaration
5801 out of struct function.
5802 (struct function): Move bool fields and the enum to the bitfield
5803 section. Reorder elements to avoid padding. Remove unused
5804 fields left over from the RTL inliner removal.
5805 * function.c (free_after_compilation): Do not zero removed fields.
5806 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
5807 (ipa-type-escape.o): Likewise.
5809 2006-06-16 Richard Guenther <rguenther@suse.de>
5811 * cgraph.h (struct cgraph_local_info): Turn bool elements
5813 (struct cgraph_node): Likewise.
5814 (struct cgraph_varpool_node): Likewise.
5816 2006-06-15 Richard Guenther <rguenther@suse.de>
5818 * fold-const.c (fold_truth_not_expr): Rename from
5819 invert_truthvalue. Give it fold_* semantics to avoid
5821 (invert_truthvalue): New function. Wrapper around
5822 fold_truth_not_expr.
5823 (optimize_minmax_comparison): Avoid creating garbage.
5824 (fold_unary): Use fold_truth_not_expr for folding
5826 (fold_ternary): Replace uses of invert_truthvalue with
5827 fold_truth_not_expr where applicable.
5828 * tree.h (fold_truth_not_expr): Prototype.
5830 2006-06-16 Richard Guenther <rguenther@suse.de>
5832 PR tree-optimization/27781
5833 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
5834 * ipa-pure-const.c (target.h): Include.
5835 (analyze_function): Do not analyze functions that do not
5838 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
5841 * tree-dfa.c (referenced_vars_dup_list): Remove.
5842 (find_referenced_vars): Remove assert.
5843 (referenced_var_check_and_insert): Replace dup list with assert.
5844 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
5845 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
5847 2006-06-15 Richard Guenther <rguenther@suse.de>
5849 * tree-ssa-structalias.c (alias_get_name): Avoid creating
5850 extra unused identifiers if not dumping.
5851 (create_variable_info_for): Likewise.
5853 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
5855 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
5856 (derive_constant_upper_bound): Derive more precise upper bound in
5857 common cases. Return type changed to double_int.
5858 (record_estimate): Reflect the changed return type of
5859 derive_constant_upper_bound.
5860 * double-int.c (double_int_zext, double_int_sext): Fix.
5862 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
5864 * configure.ac (CFLAGS): Get them from the toplevel or from the
5865 configure invocation.
5866 * configure: Regenerate.
5867 * Makefile.in (CFLAGS): Substitute value provided by configure.
5869 2006-06-14 Mark Mitchell <mark@codesourcery.com>
5872 * c-common.h (c_finish_omp_atomic): Adjust declaration.
5873 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
5874 rather than calling add_stmt on it.
5875 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
5877 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
5880 * reload1.c (reload): Remove registers returned by update_eliminables
5881 from used_spill_regs.
5883 2006-06-13 DJ Delorie <dj@redhat.com>
5885 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
5887 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
5889 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
5890 html__strip_dir, html__mkdir_p. Enhance install-html target.
5891 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
5892 * configure: Regenerate.
5894 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
5896 * fold-const.c (fold_cond_expr_with_comparison): Check for
5897 Objective-C++ as language in deciding COND_EXPR transformation.
5899 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
5902 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
5903 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
5904 * config/sh/lib1funcs.h (SL, SL1): Define.
5905 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
5906 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
5907 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
5908 (OBJS_Os_4_200): New variable.
5909 ($(T)libgcc-Os-4-200.a): Use it.
5910 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
5911 when dividing 1 and/or by 0.
5913 2006-06-13 Roger Sayle <roger@eyesopen.com>
5915 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
5916 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
5917 * configure: Regenerate.
5919 2006-06-13 Jie Zhang <jie.zhang@analog.com>
5921 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
5922 for real instruction.
5924 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5927 * haifa-sched.c (check_cfg): Handle special case.
5929 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
5932 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
5933 Add debug_info parameter. Chain the vars to the BLOCK instead
5934 of the BIND_EXPR if debug info are requested for them.
5935 (pop_gimplify_context): Adjust for above change.
5936 (gimple_add_tmp_var): Likewise.
5937 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
5939 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
5940 (convert_local_reference): Likewise.
5941 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
5942 (finalize_nesting_tree_1): Request that debug info be emitted
5943 for debug_var_chain.
5945 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5947 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
5948 for PR target/27863.
5950 2006-06-13 Richard Guenther <rguenther@suse.de>
5953 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
5955 2006-06-13 Richard Guenther <rguenther@suse.de>
5957 PR tree-optimization/27830
5958 * tree-inline.c (copy_body_r): For copying the operand
5959 of an ADDR_EXPR make sure to fold &* afterwards.
5961 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
5963 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
5964 lvalues in the fb_none case with side-effects.
5966 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
5968 * tree-flow.h: Remove the prototype for
5969 compute_phi_arg_on_exit.
5970 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
5971 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
5974 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
5976 * builtins.c (expand_builtin_return_addr): Only use
5977 frame_pointer_rtx when count == 0 and we are expanding
5978 __builtin_return_address.
5980 2006-06-12 Fred Fish <fnf@specifix.com>
5982 * config/mips/mips.c (mips_file_start): Create special section
5983 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
5985 2006-06-11 Eric Christopher <echristo@apple.com>
5988 * stor-layout.c (place_field): Remove check for
5989 remaining_in_alignment when aligning at the end of a run.
5991 2006-06-11 Eric Christopher <echristo@apple.com>
5994 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
5997 2006-06-11 Roger Sayle <roger@eyesopen.com>
6000 Revert incorrect fix for PR target/27158
6001 2006-05-08 Roger Sayle <roger@eyesopen.com>
6002 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
6003 of a reg_equiv_constant if the result is a legitimate constant.
6005 2006-06-11 Roger Sayle <roger@eyesopen.com>
6008 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
6009 extract a CONST_VECTOR element and interpret it as an integer.
6010 (vspltis_constant): Use const_vector_elt_as_int instead of the
6011 macro CONST_VECTOR_ELT in order to handle FP vector modes.
6012 * config/rs6000/predicates.md (easy_vector_const): Consider
6013 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
6015 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
6018 * stor-layout.c (update_alignment_for_field): Don't add extra
6019 alignment for packed non-bitfield fields in ms_bitfield_layout_p
6022 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
6024 * config/mips/t-rtems: Add EL/EB multilib variants.
6026 2006-06-09 Mike Stump <mrs@apple.com>
6028 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
6030 2006-06-09 David Daney <ddaney@avtrex.com>
6032 * doc/install.texi: Add binutils version recommendation for mips-*-*.
6034 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
6036 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
6038 2006-06-09 Richard Guenther <rguenther@suse.de>
6040 PR tree-optimization/26998
6041 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
6042 of signed types, only TYPE_MIN_VALUE is special, but for both,
6043 minimum and maximum value. Likewise VR_ANTI_RANGE is special
6044 in this case, as is -fwrapv.
6046 2006-06-08 Mike Stump <mrs@apple.com>
6049 * config/darwin.c (darwin_asm_output_anchor): Disable
6050 -fsection-anchors on darwin for now.
6051 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
6052 * rs6000/rs6000.c (optimization_options): Likewise.
6054 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6057 * config/i386/i386.c (classify_argument): Skip fields with invalid
6060 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
6062 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
6063 (cse_insn): Likewise for the stack_pointer_rtx.
6065 2006-06-08 Roger Sayle <roger@eyesopen.com>
6067 * tree-ssa-dom.c (record_conditions): Only record "unordered"
6068 conditions from floating point comparisons.
6070 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
6073 * expmed.c (struct alg_hash_entry): Fix type of field T
6074 to match synth_mult argument.
6075 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
6077 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6080 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
6083 2006-06-08 Richard Guenther <rguenther@suse.de>
6086 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
6087 only, if overflow is defined and not trapping.
6088 (negate_expr): Likewise.
6090 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
6092 PR tree-optimization/27872
6093 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
6094 flag on the new exit edge of the unrolled loop.
6096 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
6098 PR rtl-optimization/26449
6099 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
6101 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
6104 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
6105 referenced_variables with matching DECL_UID's.
6106 (find_referenced_vars): Make sure duplicate list is empty to start.
6107 (referenced_var_p): Remove.
6108 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
6109 Check if var is in the list, and add if needed. Update the duplicate
6110 list if a different var is in the list with the same DECL_UID.
6111 (add_referenced_var): Call routine to check and insert.
6112 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
6113 * tree-flow.h (referenced_vars_dup_list): External declaration.
6115 2006-06-07 Fred Fish <fnf@specifix.com>
6117 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
6120 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
6123 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
6124 the imaginary and real parts of a clobbered register.
6125 Emit insn to set the imaginary part.
6127 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
6129 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
6130 in lieu of unwind-dw2-fde.c.
6132 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
6134 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
6136 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
6139 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
6140 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
6141 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
6142 V4SImode temporaries and operations instead.
6144 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
6146 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
6149 2006-06-06 Mike Stump <mrs@apple.com>
6151 * Makefile.in: Rename to htmldir to build_htmldir to avoid
6152 installing during build.
6154 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6156 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
6158 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
6159 * config/ia64/ia64.c (params.h): New header.
6160 (ia64_optimization_options): New function to adjust parameters.
6161 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
6162 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
6163 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
6165 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
6167 * stor-layout.c (debug_rli): Fix a typo in a debug message.
6169 2006-06-05 Steve Ellcey <sje@cup.hp.com>
6172 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
6174 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
6175 Victor Kaplansky <victork@il.ibm.com>
6177 PR tree-optimization/26360
6178 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
6181 2006-06-04 Roger Sayle <roger@eyesopen.com>
6182 Andrew Pinski <pinskia@physics.uc.edu>
6185 * c-common.c (c_common_truthvalue_conversion): Explicitly check
6186 for LABEL_DECL before calling DECL_WEAK.
6189 * c-typeck.c (build_binary_op): Likewise, explicitly check for
6190 LABEL_DECL and PARM_DECL.
6192 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
6196 * c-decl.c (grokdeclarator): Disallow variably modified types at
6197 file scope. Avoid marking shared array type of constant size as
6200 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6203 * c-common.c (fold_offsetof_1): Handle static members.
6205 2006-06-04 Eric Christopher <echristo@apple.com>
6207 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
6208 (debug_rli): Output value for remaining_in_alignment.
6209 (update_alignment_for_field): Unconditionalize
6210 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
6211 extra alignment code.
6212 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
6213 ms_bitfield_layout_p code. Rewrite handling of structure fields.
6214 * tree.h (record_layout_info_s): Remove prev_packed.
6215 * doc/extend.texi (ms_struct): Add documentation of format.
6217 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
6219 * tree.h: Declare folding_initializer.
6220 * builtins.c (fold_builtin_constant_p): Give definite answer
6221 if folding inside an initializer.
6222 * fold-const.c: Define folding_initializer.
6223 (START_FOLD_INIT): Save and then set folding_initializer.
6224 (END_FOLD_INIT): Restore folding_initializer.
6226 2006-06-04 Richard Guenther <rguenther@suse.de>
6228 PR tree-optimization/27039
6229 * fold-const.c (fold_comparison): Handle pointer comparison
6230 again for all comparison codes. Compare offsets in signed
6232 (fold_binary): Move code from here.
6234 2006-06-03 Roger Sayle <roger@eyesopen.com>
6237 * config/i386/i386.c (construct_container): Split static issued_error
6238 flag into issued_sse_arg_error, issued_sse_ret_error and
6239 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
6240 requires the use of x87 registers and the user explicitly
6241 specified the -mno-80387 command line option.
6243 2006-06-02 Geoffrey Keating <geoffk@apple.com>
6245 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
6246 HAVE_DECL_SIGALTSTACK.
6248 (segv_handler): Use MC_FLD.
6249 * configure.ac: Check for a sigaltstack declaration.
6250 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
6251 * configure: Regenerate.
6252 * config.in: Regenerate.
6254 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
6257 * Makefile.in (stmp-fixinc): Fix typo.
6259 2006-06-02 Roger Sayle <roger@eyesopen.com>
6261 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
6262 are type correct. Clean-up.
6263 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
6264 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
6266 2006-06-01 DJ Delorie <dj@redhat.com>
6268 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
6269 shift, as we've disabled the "switch" insn that needs it.
6271 2006-06-01 Per Bothner <bothner@bothner.com>
6273 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
6274 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
6275 * c-ppoutput.c (cb_define): Don't increment line 0.
6277 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
6279 * doc/invoke.texi: Add cpu_type power6.
6280 * config.gcc: Add cpu_type power6.
6281 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
6282 to power5+ with Altivec.
6283 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
6284 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
6286 2006-05-30 Anatoly Sokolov <aesok@post.ru>
6288 * config/avr/avr.h (SET_ASM_OP): Define.
6290 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
6292 * config/bfin/bfin.c: Fix comment typos.
6294 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
6297 * doc/install.texi: Document --enable-bootstrap and
6298 --disable-bootstrap.
6300 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
6302 * doc/install.texi: Document that InfoZIP can replace jar.
6304 2006-05-31 Roger Sayle <roger@eyesopen.com>
6306 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
6307 isn't available, directly generate the simpler x87 patterns without
6308 the (use (const_int 0)).
6309 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
6310 implementation isn't available.
6311 (*negdf2_1): Likewise.
6312 (*negxf2_1): XF mode negation is always done using the x87.
6313 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
6315 2006-05-31 Roger Sayle <roger@eyesopen.com>
6317 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
6318 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
6320 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
6322 2006-05-31 Jie Zhang <jie.zhang@analog.com>
6324 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
6325 * config/bfin/bfin.c (basic-block.h): Include.
6326 (struct machine_function): New.
6327 (bfin_init_machine_status): New.
6328 (override_options): Initialize init_machine_status.
6329 (bfin_hardware_loop): New.
6330 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
6331 (DEF_VEC_P (loop_info)): New.
6332 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
6333 (struct loop_info): New.
6334 (loop_info): New typedef.
6335 (struct loop_work): New.
6336 (loop_work): New typedef.
6337 (DEF_VEC_O (loop_work)): New.
6338 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
6339 (bfin_dump_loops): New.
6340 (bfin_bb_in_loop): New.
6341 (bfin_scan_loop): New.
6342 (bfin_optimize_loop): New.
6343 (bfin_reorg_loops): New.
6344 (bfin_reorg): Use bfin_reorg_loops.
6345 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
6347 (I_REGNO_P): Simplify.
6348 (DP_REGNO_P, DPREG_P): New macros.
6349 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
6350 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
6351 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
6352 Add LT_REGS, LC_REGS, LB_REGS.
6353 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
6355 (REGNO_REG_CLASS): Deal with loop registers.
6356 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
6358 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
6359 New constants for loop registers.
6360 (UNSPEC_LSETUP_END): New.
6361 (seq_insns): New define_attr. Set it for appropriate insns.
6362 (movsi_insn): Add alternatives for move from/to
6363 loop count registers.
6364 (doloop_end): New define_expand.
6365 (loop_end): New define_insn.
6366 (define_split for bad doloop_end): New.
6367 (lsetup_with_autoinit): New define_insn.
6368 (lsetup_without_autoinit): New define_insn.
6369 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
6370 * config/bfin/predicates.md (lc_register_operand): New.
6371 (lt_register_operand): New.
6372 (lb_register_operand): New.
6373 (nondp_register_operand): New.
6374 (nondp_reg_or_memory_operand): New.
6375 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
6377 2006-05-31 Jie Zhang <jie.zhang@analog.com>
6379 * config/bfin/bfin.c (bfin_delegitimize_address): New.
6380 (TARGET_DELEGITIMIZE_ADDRESS): Define.
6382 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
6384 * Makefile.in (CATALOGS): Add po/ prefix.
6385 * configure: Regenerated.
6387 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
6390 * arm.c (arm_print_operand case 'S'): Validate that the operand is
6391 a shift operand before calling shift_op. Avoid redundant call of
6394 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
6395 DJ Delorie <dj@redhat.com>
6397 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
6398 we're inserting is a singlt-bit constant.
6400 2006-05-30 Roger Sayle <roger@eyesopen.com>
6402 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
6403 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
6405 2006-05-30 Roger Sayle <roger@eyesopen.com>
6407 PR tree-optimization/23452
6408 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
6409 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
6410 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
6411 complex values and with -ffast-math for FP complex values.
6413 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
6415 * c-common.h: Remove the prototype for yyparse.
6416 * rtl.h: Remove the prototype for init_loop.
6418 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
6420 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
6423 2006-05-30 Roger Sayle <roger@eyesopen.com>
6425 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
6427 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
6428 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
6430 2006-05-30 Dirk Mueller <dmueller@suse.de>
6433 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
6434 for CONSTANT_CLASS_P expresisons.
6436 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6439 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
6441 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
6443 PR tree-optimization/27779
6444 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
6445 initial_condition instead of CHREC_LEFT.
6447 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
6449 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
6450 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
6451 Make prototypes ISO C90.
6453 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
6454 Leehod Baruch <leehod.baruch@weizmann.ac.il>
6456 * see.c (see_analyze_one_def): Correct check.
6457 (see_get_extension_data): Check if extension is parallel.
6458 (see_get_extension_reg): Likewise.
6460 2006-05-30 Uros Bizjak <uros@kss-loka.si>
6463 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
6464 into register for (code == GTU).
6466 2006-05-29 Roger Sayle <roger@eyesopen.com>
6468 PR tree-optimization/24964
6469 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
6470 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
6471 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
6472 abs(x)*abs(x) as x*x for scalar floating point modes.
6474 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
6477 * lambda-code.c (perfect_nestify): Don't copy statements
6478 in the inner loop: move them to the inner loop header.
6480 2006-05-29 Diego Novillo <dnovillo@redhat.com>
6483 * c-tree.texi: Document OpenMP directives and clauses.
6485 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
6487 * varasm.c (globalize_decl): Fix indentation.
6489 2006-05-29 Diego Novillo <dnovillo@redhat.com>
6492 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
6493 pass_fre, pass_store_ccp, pass_copy_prop,
6494 pass_store_copy_prop, pass_merge_phi, pass_nrv,
6495 pass_return_slot, pass_object_size, pass_lim,
6496 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
6497 pass_loop_prefetch and pass_stdarg.
6499 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
6501 * config/bfin/bfin.opt (mfdpic): New option.
6502 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
6503 (EXTRA_MULTILIB_PARTS): Likewise.
6504 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
6505 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
6507 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
6508 (CRT_CALL_STATIC_FUNCTION): New.
6509 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
6511 (CRT_CALL_STATIC_FUNCTION): New.
6512 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
6514 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
6515 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
6516 (initialize_trampoline): Changed to handle FD-PIC code generation.
6517 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
6518 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
6519 (override_options): Disallow -mid-shared-library -mfdpic combination.
6520 Can't do unaligned ops if FD-PIC.
6521 Turn off flag_pic if trying to generate non-id-shared-library
6522 non-fdpic code, since it's not supported.
6523 (bfin_assemble_integer): New function.
6524 (TARGET_ASM_INTEGER): Define.
6525 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
6527 * config/bfin/crtn.s: Restore them.
6528 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
6530 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
6531 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
6532 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
6533 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
6534 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
6536 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
6537 FDPIC_REGS and FDPIC_FPTR_REGS.
6538 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
6539 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
6540 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
6541 (load_funcdescsi): New pattern.
6542 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
6543 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
6544 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
6546 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
6548 * gcse.c, rtlanal.c: Remove obsolete comments associated with
6551 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
6553 * tree-flow.h: Remove the prototype for add_type_alias.
6554 * tree-ssa-alias.c (add_type_alias): Remove.
6556 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
6558 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
6559 config/fr30/fr30.md, config/i386/i386-interix.h,
6560 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
6561 config/sh/superh64.h, config/v850/v850.c, df-core.c,
6562 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
6563 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
6564 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
6565 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
6566 Follow spelling conventions.
6567 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
6568 Follow spelling conventions.
6570 2006-05-27 Richard Guenther <rguenther@suse.de>
6573 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
6574 to produce a constant of value 1 of generic type.
6576 2006-05-27 Dirk Mueller <dmueller@suse.de>
6578 * cgraphunit.c (decide_is_function_needed): Fix wrong
6581 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
6583 PR rtl-optimization/27661
6584 * reload.c (find_reloads): When reloading a VOIDmode constant
6585 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
6586 use Pmode as mode of the reload register.
6588 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
6590 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
6591 is enabled at -O and above.
6593 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
6596 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
6599 2006-05-25 Mark Mitchell <mark@codesourcery.com>
6602 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
6603 for anonymous variables explicitly declared by front ends.
6605 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
6607 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
6608 (struct alias_info): Add new field ref_all_symbol_mem_tag.
6609 * tree-ssa-alias.c (compute_may_aliases): If the program contains
6610 ref-all pointers, run a finalization pass for them.
6611 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
6612 (finalize_ref_all_pointers): New function.
6613 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
6614 regular pointer type to a ref-all pointer type.
6615 (get_tmt_for): Return the special memory tag for ref-all pointers.
6617 2006-05-25 Richard Guenther <rguenther@suse.de>
6620 * fold-const.c (fold_binary): Do not look at the stripped
6621 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
6623 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
6625 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
6626 for LT and GT if the computed range is effectively empty.
6628 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6631 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
6632 mips_quad_format formats instead of ieee_single_format,
6633 ieee_double_format and ieee_quad_format formats, respectively.
6635 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
6637 PR tree-optimization/27639
6638 PR tree-optimization/26719
6639 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
6640 call to scev_probably_wraps_p.
6641 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
6642 used_in_pointer_arithmetic_p, convert_step): Removed.
6643 (nowrap_type_p): New function.
6644 (scev_probably_wraps_p): Rewritten.
6645 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
6646 chrec_convert if chrec_convert_aggressive might have been used.
6647 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
6648 scev_direction): New functions.
6649 (chrec_convert): Changed to a wrapper over chrec_convert_1.
6650 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
6651 instead of convert_step.
6652 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
6653 (convert_step): Declaration removed.
6654 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
6656 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
6658 * df-core.c: Added to header comments.
6659 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
6660 df_ur_bb_info, df_urec_bb_info): Added comments.
6661 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
6662 urec, ri problems): Fixed header comments.
6663 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
6664 code from df_rd_transfer_function.
6666 2006-05-23 Richard Sandiford <richard@codesourcery.com>
6668 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
6669 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
6670 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
6672 2006-05-23 Joseph Myers <joseph@codesourcery.com>
6674 * expr.c (undefined_operand_subword_p): New.
6675 (emit_move_multi_word): Do not generate move from undefined bits
6676 of a paradoxical subreg.
6678 2006-05-23 Richard Sandiford <richard@codesourcery.com>
6680 PR rtl-optimization/27736
6681 * combine.c (replaced_rhs_value): New variable.
6682 (combine_instructions): Set it.
6683 (distribute_notes): When distributing a note in replaced_rhs_insn,
6684 check whether the value was used in replaced_rhs_value.
6686 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
6689 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
6690 add_referenced_var instead of add_referenced_tmp_var.
6691 * tree-complex.c (create_one_component_var): Use add_referenced_var.
6692 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
6694 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
6695 tree_optimize_tail_calls_1): Use add_referenced_var.
6696 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
6697 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
6698 Use add_referenced_var.
6699 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
6700 * gimplify.c (force_gimple_operand): Use add_referenced_var.
6701 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
6702 Use add_referenced_var.
6703 * tree-dfa.c (struct walk_state): Remove.
6704 (find_referenced_vars): Remove walk state and vars_found hash table.
6705 (make_rename_temp): Use add_referenced_var.
6706 (find_vars_r): Pass less parameters to add_referenced_var.
6707 (referenced_var_p): New. Is var in referenced_var hash table.
6708 (referenced_var_insert): Assert var isn't already in hash table.
6709 (add_referenced_var): Don't need walk_state parameter. Add var if it
6710 isn't already in the hash table.
6711 (add_referenced_tmp_var): Remove.
6712 (find_new_referenced_vars_1): Use add_referenced_var.
6713 * tree-ssa-pre.c (create_expression_by_pieces,
6714 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
6715 Use add_referenced_var.
6716 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
6717 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
6718 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
6720 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
6721 vect_create_data_ref_ptr, vect_create_destination_var,
6722 vect_init_vector, vect_build_loop_niters,
6723 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
6724 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
6725 Use add_referenced_var.
6726 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
6727 * tree-flow.h (add_referenced_tmp_var): Remove prototype
6728 (add_referenced_var): Add prototype.
6729 * tree-ssa-structalias.c (get_constraint_for,
6730 intra_create_variable_infos): Use add_referenced_var.
6732 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
6734 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
6735 big-endian paradoxical subregs.
6736 * var-tracking.c (struct micro_operation_def): Document that,
6737 for modify micro operations, insn is the subsequent instruction.
6738 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
6739 (var_reg_set, var_mem_set): ... new functions.
6740 (add_stores): Record subsequent insn.
6741 (compute_bb_dataflow): Use new functions for MO_USE.
6742 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
6743 notes after the insn, and modify notes before the insn known
6744 to be the subsequent one.
6745 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
6747 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
6750 * config/i386/i386.c (ix86_expand_builtin): Use
6751 gen_sse3_monitor64 for TARGET_64BIT.
6753 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
6755 PR rtl-optimization/26375
6756 PR rtl-optimization/26855
6757 * df-problems (df_ru_bb_local_compute_process_def): Removed update
6759 (df_ru_bb_local_compute): Reversed statements and removed bogus
6760 comment explaining why they should be in wrong order.
6761 (df_ru_dump, df_rd_dump): Enhanced debug info.
6762 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
6764 * ddg.c (add_deps_for_def): Converted use of reaching defs to
6765 reaching uses and fixed space problem.
6767 2006-05-23 Jan Hubicka <jh@suse.cz>
6769 * cgraphunit.c (decide_is_function_needed): Also nested functions
6770 and functions declared inline can be optimized out at -O0.
6772 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
6774 * doc/install.texi (Configuration): Remove reference to CrossGCC
6778 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
6781 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
6782 ix86_compare_emitted is non-NULL.
6784 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6787 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
6790 2006-05-22 Richard Sandiford <richard@codesourcery.com>
6792 PR rtl-optimization/25514
6793 * combine.c (replaced_rhs_insn): New variable.
6794 (combine_instructions): Set replaced_rhs_insn when trying to replace
6795 a SET_SRC with a REG_EQUAL note.
6796 (distribute_notes): Use replaced_rhs_insn when determining the live
6797 range of a REG_DEAD register.
6799 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
6800 Anatoly Sokolov <aesok@post.ru>
6802 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
6803 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
6804 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
6805 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
6806 atmega3290, atmega649, atmega6490, atmega406, atmega640,
6807 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
6808 at90usb647, at90usb1286 and at90usb1287 devices.
6809 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
6810 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
6812 2006-05-22 Richard Sandiford <richard@codesourcery.com>
6814 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
6816 2006-05-22 Richard Guenther <rguenther@suse.de>
6819 2006-01-31 Richard Guenther <rguenther@suse.de>
6820 Paolo Bonzini <bonzini@gnu.org>
6822 * doc/install.texi (--disable-libgcc-math): Document.
6824 2006-05-22 Richard Guenther <rguenther@suse.de>
6827 2006-01-31 Richard Guenther <rguenther@suse.de>
6829 * doc/invoke.texi (-msselibm): Document.
6830 * target.h (expand_library_builtin): New target hook.
6831 * builtins.c (expand_builtin): Use expand_library_builtin.
6832 (default_expand_library_builtin): New function.
6833 * gcc.c (LINK_GCC_MATH_SPEC): Define.
6834 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
6835 (link_gcc_math_spec): Declare.
6836 (static_specs): Add link_gcc_math_spec.
6837 * expr.h (default_expand_library_builtin): Declare.
6838 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
6839 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
6840 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
6841 * config/i386/i386.opt (msselibm): New target option.
6842 * config/i386/i386.c (ix86_builtin_function_variants): New array.
6843 (ix86_init_sse_abi_builtins): New function.
6844 (ix86_expand_library_builtin): Likewise.
6845 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
6846 (override_options): Handle error conditions wrt -msselibm.
6847 (ix86_builtins): Add function codes for SSE2 ABI builtins.
6848 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
6849 * doc/extend.texi (__builtin_sse2_*): Document new target specific
6852 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6855 * c-common.c (self_promoting_args_p): Skip erroneous args.
6858 * c-decl.c (finish_struct): Skip erroneous fields.
6860 2006-05-22 Nick Clifton <nickc@redhat.com>
6862 * config/cris/cris.opt (march): Remove VarExists attribute.
6863 (max-stackframe=): Likewise.
6865 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
6867 * doc/rtl.texi: Fix a typo.
6868 * see.c: Fix comment typos.
6870 * tree-ssa-structalias.h (alias_info): Remove num_references.
6872 2006-05-21 Mike Stump <mrs@apple.com>
6874 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
6876 (darwin_pragma_options): Use BAD instead.
6877 (darwin_pragma_unused): Likewise.
6878 (darwin_pragma_ms_struct): Likewise.
6880 2006-05-21 David Edelsohn <edelsohn@gnu.org>
6882 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
6884 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
6886 PR rtl-optimization/27671
6887 * simplify-rtx.c (simplify_relational_operation_1): Fix
6888 simplifications of (eq/ne (xor x y) y) and
6889 (eq/ne (xor x y) x).
6891 PR tree-optimization/26622.
6892 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
6895 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
6897 * tree-cfg.c: Prune whitespace.
6898 (debug_tree_cfg): Point to correct header containing the
6901 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
6904 * cgraphunit.c (verify_cgraph_node): Typo in error message.
6906 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
6909 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
6910 or sorry count is non zero.
6912 2006-05-20 Andreas Schwab <schwab@suse.de>
6914 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
6916 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
6917 Kenneth Zadeck <zadeck@naturalbridge.com>
6919 PR rtl-optimization/26855
6921 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
6923 (df_scan_alloc): Added code to properly handle multiword hard
6924 registers and add all_blocks parameter.
6925 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
6926 code to properly handle multiword hard registers.
6927 (df_rescan_blocks): Added code to remove deleted blocks from
6929 (df_ref_create_structure, df_ref_record): Added code to properly
6931 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
6932 and set DF_REF_PARTIAL.
6933 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
6934 (df_uses_record): Added DF_REF_PARTIAL for subreg.
6935 (df_scan_add_problem): Added flags parameter.
6936 (df_ref_create_structure): Changed switching structure.
6937 (df_bb_refs_record): Fixed case where duplicate artificial refs
6938 were created. Changed location of flags.
6939 (df_record_entry_block_defs): Added code to make stack pointer
6940 live in entry block. Refined cases where frame pointer is needed.
6941 Changed location of flags.
6942 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
6943 (df_set_state): Removed function.
6944 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
6945 df_insn_create_insn_record, df_insn_refs_delete,
6946 df_ref_create_structure): Formatting changes.
6947 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
6948 df_delete_basic_block): New function.
6949 (df_init): Changed location of flags.
6950 (df_add_problem): Added flags parameter and the way flags are
6952 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
6953 debug_df_chain): Improved debugging output.
6954 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
6955 (df_refs_chain_dump): Removed df parameter.
6956 (df_iterative_dataflow): Added consistency check.
6957 (df_prune_to_subcfg): Made public.
6958 (df_analyze_problem): Added blocks_to_init parameter and made
6960 (df_ref_record, df_bb_refs_record, df_mark_reg,
6961 df_record_exit_block_uses): Whitespace changes.
6962 (df_dump): Whitespace changes.
6963 * df.h: Some reordering to remove forward references.
6964 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
6965 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
6966 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
6967 (dataflow.flags): New field.
6968 (df.flag): Deleted field.
6969 (df_alloc_function): Added additional bitmap parameter.
6970 (df_dependent_problem_function): New type.
6971 (df_problem.changeable_flags): New field.
6972 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
6973 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
6974 (df_mw_hardreg): New struct.
6975 (DF_INSN_UID_MWS): New macro.
6976 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
6978 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
6979 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
6980 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
6981 (df_set_state): Removed function.
6982 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
6983 * df-problems.c (df_chain_dump): Removed df parameter.
6984 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
6985 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
6987 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
6988 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
6989 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
6990 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
6991 DF_REF_MUST_CLOBBER cases.
6992 (df_ru_bb_local_compute_process_def,
6993 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
6994 df_lr_bb_local_compute, df_ur_bb_local_compute,
6995 df_chain_create_bb): Made subreg aware.
6996 (df_ru_bb_local_compute, df_rd_bb_local_compute,
6997 df_lr_bb_local_compute, df_lr_bb_local_compute,
6998 df_chain_create_bb): Cleanup to use proper macros.
6999 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
7000 code to fixup bitvectors.
7001 (df_ri_alloc): Cleared lifetime.
7002 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
7003 df_create_unused_note): New function.
7004 (df_ri_bb_compute, df_ri_compute): Added code to create/update
7005 REG_DEAD and REG_UNUSED notes as well as register information.
7006 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
7007 df_chains_dump): Fixed crash if problem was never run.
7008 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
7009 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
7010 df_ri_add_problem): Processes flags in uniform manner.
7011 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
7012 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
7013 df_rd_dump, df_urec_free_bb_info): Formatting changes.
7014 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
7015 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
7016 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
7017 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
7018 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
7019 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
7020 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
7021 * see.c (see_initialize_data): Ditto.
7022 * final.c (rest_of_clean_state) Added regstack_completed.
7023 * rtl.h (regstack_completed): Ditto.
7024 * reg-stack.c (regstack_completed): Ditto.
7026 2006-05-19 Mike Stump <mrs@apple.com>
7028 * c-tree.h (default_conversion): Remove.
7029 * c-common.h (default_conversion): Add.
7031 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
7033 * tree-vrp.c (valid_value_p): New function.
7034 (adjust_range_with_scev): Fail if the value of bound is not
7037 2006-05-19 Richard Sandiford <richard@codesourcery.com>
7039 * config/mips/linux-unwind.h: Include <asm/unistd.h>
7040 (mips_fallback_frame_state): Use syscall numbers to determine
7041 the appropriate li instruction for the current ABI. Only use
7042 __NR_sigreturn for o32.
7044 2006-05-19 Nicolas Setton <setton@adacore.com>
7046 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
7047 * langhooks.c (lhd_dwarf_name): New function.
7048 * langhooks-def.h (lhd_dwarf_name): Declare.
7049 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
7050 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
7051 * ada/misc.c (gnat_dwarf_name): New function.
7052 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
7054 2006-05-19 Richard Sandiford <richard@codesourcery.com>
7056 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
7058 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
7059 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
7060 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
7061 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
7062 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
7063 determine the size of Wtype, etc.
7064 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
7065 (swfloatfuncs): New variable.
7066 (dwfloatfuncs): Likewise.
7067 (lib2funcs): Remove floating-point conversion functions from
7068 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
7069 the set of conversion routines needed. Allow entries to specify
7070 an object name, filename and word size. Update users accordingly.
7071 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
7072 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
7076 2006-02-08 Roger Sayle <roger@eyesopen.com>
7079 * config/fixtfdi.c: New libgcc source file.
7080 * config/fixunstfdi.c: New source file.
7081 * config/floatditf.c: New source file.
7082 * config/floatunditf.c: New souce file.
7083 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
7084 files above instead of config/mips/_tilib.c.
7085 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
7087 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7089 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
7090 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
7092 2006-05-18 Mike Stump <mrs@apple.com>
7094 Fix up vla, vm and [*] sematics.
7100 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
7101 (c_vla_unspec_p): Add.
7102 (c_vla_type_p): Add.
7103 * c-decl.c (struct c_scope): Add had_vla_unspec.
7104 (build_array_declarator): Add support for [*].
7105 (grokdeclarator): Likewise.
7106 (grokparms): Likewise.
7107 (get_parm_info): Likewise.
7108 * c-objc-common.c (c_vla_unspec_p): Likewise.
7109 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
7110 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
7111 typeof when argument is a variably modified type not inside sizeof or alignof.
7112 (c_parser_direct_declarator_inner): Propagate errors.
7113 (c_parser_sizeof_expression): Add support for [*].
7114 (c_parser_parms_declarator): Initialize had_vla_unspec.
7115 (c_parser_parms_list_declarator): Likewise.
7116 * c-typeck.c (c_vla_type_p): Add.
7117 (composite_type): Add support for vla compositing.
7118 (comptypes_internal): Add support for vla compatibility.
7119 (c_expr_sizeof_expr): Evaluate vla arguments.
7120 * tree.c (variably_modified_type_p): Update comment for [*].
7122 2006-05-18 Michael Matz <matz@suse.de>
7125 * config.host: Make assignments to host_xmake_file cumulative.
7126 * config.host (*-darwin*): Test $host, not $target.
7128 2006-05-12 Stuart Hastings <stuart@apple.com>
7130 * config/i386/i386.opt (-mstackrealign): New flag.
7131 * config/i386/i386.c (force_align_arg_pointer): New attribute.
7132 (ix86_handle_cconv_attribute): Emit error when
7133 force_align_arg_pointer attribute collides with too many regparms.
7134 (ix86_function_regparm): Limit regparms when used with
7135 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
7136 Support stack-realigning prologue in non-main functions. Emit
7137 warning for nested functions under -mstackrealign, emit error for
7138 nested functions with force_align_arg_pointer attribute.
7139 * doc/extend.texi (force_align_arg_pointer): Document it.
7140 * doc/invoke.texi (-mstackrealign): Document it.
7142 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
7144 PR rtl-optimization/27477
7145 * combine.c (try_combine): Don't split a parallel consisting
7146 of two sets into two individual sets if both sets reference
7149 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
7151 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
7152 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
7154 * doc/options.texi (VarExists): Updated.
7156 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7158 * unwind-dw2.c: Add declarations for uw_update_context and
7160 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
7161 detected, advance frame state and context once to skip over stub.
7163 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
7167 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
7168 Call rewrite_into_loop_closed_ssa only when something changed.
7169 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
7170 * lambda-code.c (can_convert_to_perfect_nest): Declared.
7171 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
7172 Test for perfect_nest_p here. Fix formating.
7173 (replace_uses_equiv_to_x_with_y): Fix formating.
7174 (stmt_uses_op): Removed.
7175 (can_convert_to_perfect_nest): Removed loopivs parameter.
7176 Complete the test by checking the scalar dependences.
7177 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
7180 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
7183 From Dan Kegel <dank@kegel.com>:
7184 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
7186 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
7188 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
7189 if the element type is variably modified without recursing.
7191 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
7194 * tree-loop-linear.c (try_interchange_loops): Test for
7195 no data dependences.
7197 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
7199 PR tree-optimization/27548
7200 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
7201 range of ssa names that appear on abnormal edges.
7202 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
7203 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
7205 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
7208 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
7210 2006-05-17 Jakub Jelinek <jakub@redhat.com>
7213 * tree.h (OMP_PARALLEL_COMBINED): Define.
7214 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
7215 (new_omp_context): Add is_combined_parallel argument.
7216 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
7217 new_omp_context caller.
7218 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
7219 Adjust gimplify_scan_omp_clauses callers.
7220 (omp_is_private): Issue errors if iteration variable is firstprivate
7221 or reduction in the current context.
7222 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
7223 on combined parallel workshare constructs.
7225 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
7227 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
7228 (gcc-options.o): New rule.
7230 * optc-gen.awk: Protect variables for gcc-options.o with
7231 #ifdef GCC_DRIVER/#endif.
7233 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
7235 Fix PR tree-optimization/27373
7236 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
7237 (forward_propagate_addr_expr): Update call.
7239 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
7241 * doc/options.texi: Move the Negative option.
7243 2006-05-16 Richard Guenther <rguenther@suse.de>
7245 PR tree-optimization/22303
7246 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
7248 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
7249 ccp_fold did not simplify the statement.
7251 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
7254 * Makefile.in (GCC_OBJS): New.
7255 (OBJS-common): Add opts-common.o.
7256 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
7257 (cpp$(exeext)): Likewise.
7258 (gcc.o): Also depend on opts.h.
7259 (opts-common.o): New.
7261 * common.opt (gcoff): Add Negative(gdwarf-2).
7262 (gdwarf-2): Add Negative(gstabs).
7263 (gstabs): Add Negative(gstabs+).
7264 (gstabs+): Add Negative(gvms).
7265 (gvms): Add Negative(gxcoff).
7266 (gxcoff): Add Negative(gxcoff+).
7267 (gxcoff+): Add Negative(gcoff).
7268 * config/i386/i386.opt (m32): Add Negative(m64).
7269 (m64): Add Negative(m32).
7271 * doc/options.texi: Document the Negative option.
7273 * gcc.c: Include "opts.h".
7274 (main): Call prune_options after expandargv.
7276 * optc-gen.awk: Generate common declarations for all flag
7277 variables in options.c. Output the neg_index field.
7279 * opts.c (find_opt): Moved to ...
7280 * opts-common.c: Here. New file.
7282 * opts.h (cl_option): Add a neg_index field.
7284 (prune_options): Likewise.
7286 2006-05-16 Jakub Jelinek <jakub@redhat.com>
7289 * omp-low.c (expand_omp_parallel): Don't assert
7290 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
7291 instead search for it.
7294 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
7297 2006-05-16 Andreas Schwab <schwab@suse.de>
7299 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
7302 2006-05-15 Roger Sayle <roger@eyesopen.com>
7305 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
7306 integer constants other than zero are only legitimate on TARGET_64BIT.
7307 <CONST_VECTOR> Only zero vectors are legitimate.
7308 (ix86_cannot_force_const_mem): Integral and vector constants can
7309 always be put in the constant pool.
7311 2006-05-16 DJ Delorie <dj@redhat.com>
7313 * crtstuff.c (__dso_handle): Set section from
7314 TARGET_LBIGCC_SDATA_SECTION if defined.
7315 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
7316 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
7318 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
7321 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
7324 2006-05-16 Ben Elliston <bje@au.ibm.com>
7326 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
7328 2006-05-15 Per Bothner <per@bothner.com>
7330 * tree.c: (last_annotated_node): Use source_locus typedef.
7331 This permits bootstrapping with --enable-mapped-location.
7333 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
7335 PR tree-optimization/26830
7336 * tree-into-ssa.c (struct ssa_name_info): Add age field.
7337 (info_for_ssa_name, current_info_for_ssa_name_age,
7338 blocks_to_update): New variables.
7339 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
7340 (clear_ssa_name_info, initialize_flags_in_bb,
7341 mark_block_for_update): New functions.
7342 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
7343 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
7344 prepare_def_site_for): Use mark_block_for_update.
7345 (mark_def_interesting): Assert that the processed block is marked in
7346 blocks_to_update. Do not take blocks argument.
7347 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
7349 (rewrite_update_init_block, rewrite_update_stmt): Only process
7350 blocks with statements to rewrite.
7351 (delete_update_ssa): Do not clear SSA_NAME_AUX.
7352 (update_ssa): Initialize and free blocks_to_update. Do not
7353 clear flags on statements. Do not use blocks bitmap.
7354 * tree.h (SSA_NAME_AUX): Removed.
7355 (struct tree_ssa_name): Removed aux field.
7356 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
7358 2006-05-15 Richard Guenther <rguenther@suse.de>
7360 PR tree-optimization/27603
7361 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
7362 Do computations in original type.
7364 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
7366 * see.c: Code style changes such as redundant paranthesis,
7367 redundant intialization of local variables etc.
7368 (see_main): Declared now as static.
7369 * doc/invoke.texi: Update that -fsee is not enabled by
7372 2006-05-15 Jakub Jelinek <jakub@redhat.com>
7374 * omp-low.c (check_omp_nesting_restrictions): New function.
7375 (scan_omp_1): Call it.
7378 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
7379 construct, return *VAR.
7381 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
7383 PR rtl-optimization/27406
7384 * bt-load.c (migrate_btr_def): Skip the block having abnormal
7387 2006-05-14 Roger Sayle <roger@eyesopen.com>
7389 PR rtl-optimization/27538
7390 * combine.c (expand_compound_operation): Call gen_lowpart
7391 before calling simplify_shift_const.
7393 2006-05-14 Roger Sayle <roger@eyesopen.com>
7395 PR rtl-optimization/22563
7396 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
7397 a fixed width bitfield, always force the intermediates into psuedos.
7399 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
7402 * mkconfig.sh: Use operator = instead of == for test.
7404 2006-05-13 Nick Clifton <nickc@redhat.com>
7406 * dwarf2out.c (dbx_reg_number): Check return value from
7407 LEAF_REG_REMAP and only use it if it is valid.
7408 (multiple_reg_loc_descriptor): Likewise.
7410 2006-05-13 Richard Guenther <rguenther@suse.de>
7412 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
7415 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
7417 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
7418 information attached to non-INSNs such as NOTEs.
7419 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
7421 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
7423 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
7425 * config/s390/s390.md: Adjust comment describing On constraint.
7427 2006-05-11 Jan Hubicka <jh@suse.cz>
7429 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
7430 to be output at -O0.
7432 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7435 * fold-const.c (size_binop): Move sanity check for arguments to
7436 the beginning of the function.
7439 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
7442 2006-05-11 Richard Guenther <rguenther@suse.de>
7445 * fold-const.c (fold_unary): Handle intermediate conversion
7446 to a pointer type like intermediate conversion to an integer
7447 type in folding of (T1)(T2)var to var.
7448 Match the code to the comment in the final conversion for
7449 (T1)(T2)var to (T1)var regarding to type precision. Rather
7450 than disallow T1 being of pointer type, assert that both T1
7451 and var are of pointer type or not. Make sure not to fall
7452 over the frontends lazyness wrt array to pointer decay though.
7454 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
7456 * arm.c (arm_struct_value_rtx): Delete.
7457 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
7458 (arm_init_cumulative_args): Always initialize nregs to zero.
7460 2006-05-10 Richard Guenther <rguenther@suse.de>
7462 PR tree-optimization/27532
7463 * tree-object-size.c (plus_expr_object_size): Fix typo.
7465 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
7468 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
7469 ashrdi_const, ashrdi3): Use a scratch register.
7471 2006-05-10 Richard Guenther <rguenther@suse.de>
7473 PR tree-optimization/27302
7474 * fold-const.c (operand_equal_p): For two comparisons,
7475 try comparison of one comparison code swapped if that yields
7478 2006-05-10 Ben Elliston <bje@au.ibm.com>
7480 * tree-pretty-print.c (pretty_print_string): No need to handle
7481 '\0' as a special character.
7483 * tree.h: Include "hashtab.h".
7484 (iterative_hash_expr): Use hashval_t in its prototype.
7485 * Makefile.in (TREE_H): Add $(HASHTAB_H).
7487 2006-05-09 Steve Ellcey <sje@cup.hp.com>
7490 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
7491 (hppa*64*-*-hpux11*): Ditto.
7492 (hppa[12]*-*-hpux11*): Ditto.
7494 2006-05-09 David Edelsohn <edelsohn@gnu.org>
7497 * config/rs6000/aix41.h (TARGET_64BIT): Define.
7499 2006-05-09 Michael Matz <matz@suse.de>
7501 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
7502 host_extra_gcc_objs and host_xmake_file.
7503 (<*-*-linux*>): Don't overwrite host_xmake_file.
7504 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
7505 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
7506 (host_detect_local_cpu): Declare.
7507 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
7508 * config/i386/i386.c (override_options): Handle -mtune=native
7510 * config/i386/x-i386: New file.
7511 * config/i386/driver-i386.c: New file.
7512 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
7515 2006-05-09 Dirk Mueller <dmueller@suse.de>
7516 Richard Guenther <rguenther@suse.de>
7519 * fold-const.c (fold_read_from_constant_string): Relax check
7520 for matching types to matching modes.
7522 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
7524 PR rtl-optimization/27335
7525 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
7528 2006-05-08 Chao-ying Fu <fu@mips.com>
7529 Richard Sandiford <richard@codesourcery.com>
7531 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
7532 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
7533 * config/mips/mips.md (UNSPEC_SCC): New constant.
7534 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
7535 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
7536 (mips_emit_compare): Use it.
7537 (mips_expand_vcondv2sf): New function.
7539 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
7541 Fix PR tree-optimization/27093
7542 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
7543 renaming when they become not-used_alone.
7545 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7547 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
7548 relocation and relocation stubs.
7550 2006-05-08 Eric Christopher <echristo@apple.com>
7552 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
7555 2006-05-08 Jan Hubicka <jh@suse.cz>
7558 * cgraphunit.c (decide_is_function_needed): When not optimizing even
7559 unused static functions are needed.
7561 2006-05-08 Roger Sayle <roger@eyesopen.com>
7564 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
7565 of a reg_equiv_constant if the result is a legitimate constant.
7567 2006-05-08 Uros Bizjak <uros@kss-loka.si>
7570 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
7571 standard 80387 constants, raise the cost to prevent
7572 compress_float_constant() to generate load from memory.
7574 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
7576 * config/arm/constraints.md (c): Fix a typo.
7578 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
7581 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
7584 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
7586 (_mm_mwait): Likewise.
7588 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
7590 (sse3_monitor): Make it 32bit only.
7591 (sse3_monitor64): New. 64bit monitor.
7593 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7596 * config/i386/i386.c (classify_argument): Skip fields with invalid
7599 2006-05-07 Richard Guenther <rguenther@suse.de>
7601 PR tree-optimization/27409
7602 * tree-ssa-structalias.c (get_constraint_for_component_ref):
7603 Do not try to find zero-sized subvars.
7605 2006-05-07 Richard Guenther <rguenther@suse.de>
7607 PR tree-optimization/27136
7608 * tree-ssa-loop-niter.c (get_val_for): Correct function
7609 comment, assert requirements.
7610 (loop_niter_by_eval): Stop processing if the iterated
7611 value did not simplify.
7613 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
7615 * opts.c (flag_see): remove its setting at -O3.
7617 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
7619 * genpeep.c (main): Make insn-peep.c depend on flags.h.
7620 * arm/constraints.md: New file.
7621 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
7622 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
7623 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
7624 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
7625 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
7626 (EXTRA_MEMORY_CONSTRAINT): Likewise.
7627 * arm.md: Include constraints.md.
7628 (thumb_movsi_insn): Use satisfies_constraint_J.
7629 (movhi, movqi): Use satisfies_constraint_I.
7631 2006-04-29 Anatoly Sokolov <aesok@post.ru>
7633 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
7634 for atmeg a645 device.
7636 2006-05-06 Richard Guenther <rguenther@suse.de>
7638 PR tree-optimization/27151
7639 * tree-vect-transform.c (vectorizable_condition): Punt on
7640 values that have a different type than the condition.
7642 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
7645 * c-parser.c (c_parser_cast_expression): Only insert casts into
7646 hash table if pointer.
7647 * function.c (used_types_insert_helper): Rename from
7649 (used_types_insert): Call used_types_insert_helper.
7650 * function.h (used_types_insert): Accept only one argument.
7652 2006-05-05 David Edelsohn <edesohn@gnu.org>
7654 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
7655 scratch with output modifier.
7657 2006-05-04 David Edelsohn <edelsohn@gnu.org>
7660 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
7661 with output modifier.
7663 2006-05-04 Richard Sandiford <richard@codesourcery.com>
7666 * config/mips/mips.c (mips_symbolic_address_p): Return true
7667 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
7668 SYMBOL_GOTTPREL, and SYMBOL_TLS.
7670 2006-05-04 Richard Guenther <rguenther@suse.de>
7672 PR tree-optimization/14287
7673 PR tree-optimization/14844
7674 PR tree-optimization/19792
7675 PR tree-optimization/21608
7676 PR tree-optimization/27090
7677 * tree-ssa-pre.c (try_combine_conversion): New function.
7678 (compute_avail): After constructing the value-handle
7679 expression, use try_combine_conversion to combine NOP_EXPRs
7680 with previous value-handle expressions and use the result if it
7683 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
7685 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
7687 2006-05-04 Jan Hubicka <jh@suse.cz>
7690 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
7692 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
7694 * config/bfin/predicates.md (const01_rtx): Tell generator programs
7695 that this only matches CONST_INTs. All users changed to VOIDmode
7698 * config/bfin/bfin.c: Include "optabs.h".
7699 (bfin_rtx_costs): Some costs for vector operations, to allow combine
7701 (enum bfin_builtins): Add a number of fractional and vector builtins.
7702 (bfin_init_builtins): Likewise.
7703 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
7704 (safe_vector_operand, bfin_expand_binop_builtin,
7705 bfin_expand_unop_builtin): New functions.
7706 (bfin_expand_builtin): Handle the new builtins.
7707 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
7710 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
7713 * Makefile.in (OBJS-common): Add see.o.
7714 (see.o): Add dependencies.
7715 * common.opt (fsee): New flag for the see optimization was added.
7716 * opts.c (flag_see): Initialized.
7717 * passes.c (init_optimization_passes, pass_see): New pass.
7718 * rtl.h (see_main): Declaration as extern.
7719 * timevar.def (TV_SEE): New.
7720 * tree-pass.h (pass_see): Declaration as extern.
7721 * invoke.texi (-fsee): Document.
7722 * recog.c (validate_simplify_insn): New function.
7723 * recog.h (validate_simplify_insn): Declaration as extern.
7724 * df-problems.c (df_chain_dump): Check for NULL.
7726 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
7727 Daniel Berlin <dberlin@dberlin.org>
7729 * cfgrtl.c (insert_insn_bb_end_new): New function.
7730 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
7732 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
7734 * df.h (struct web_entry): Moved from web.c.
7735 (union_defs): Declaration as extern.
7736 (unionfind_root): Likewise.
7737 (unionfind_union): Likewise.
7738 * web.c (struct web_entry): Moved to df.h.
7739 (unionfind_root): Remove static declaration.
7740 (unionfind_union): Likewise.
7741 (union_defs): Likewise and generalize to use callback function.
7742 (web_main): Update arguments for union_defs function call.
7744 2006-05-04 Richard Guenther <rguenther@suse.de>
7746 PR tree-optimization/26447
7747 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
7748 produce SSA_NAME copies before the store stmt to avoid
7749 breaking exception handling.
7751 2006-05-04 Jakub Jelinek <jakub@redhat.com>
7754 * gimplify.c (omp_is_private): If var is shared in some outer context,
7755 return false instead of true. Stop searching on parallel context
7758 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
7761 * coverage.c: Use get_gcov_unsigned_t() instead of
7762 unsigned_type_node all over.
7764 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
7766 PR tree-optimization/27381
7767 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
7768 maintain the same immediate_use links.
7769 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
7770 node rather than segfaulting.
7772 2006-05-03 Jakub Jelinek <jakub@redhat.com>
7775 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
7776 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
7777 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
7779 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
7781 Fix PR tree-optimization/26626
7782 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
7784 * tree-ssa-operands.c (access_can_touch_variable): Allow
7785 typecasting through union pointers.
7787 2006-05-02 Jakub Jelinek <jakub@redhat.com>
7790 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
7791 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
7792 to find if var will be a global variable even in the nested context.
7793 (omp_copy_decl): Only check for global variable at the end, it might
7794 be overridden in outer contexts.
7795 (scan_sharing_clauses): For global variables don't create a field.
7796 (lower_rec_input_clauses): Do nothing for global shared variables.
7797 Emit a barrier at the end of ILIST if there were any decls in both
7798 firstprivate and lastprivate clauses.
7799 (lower_send_clauses): Do nothing for global variables except for
7802 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
7804 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
7805 of the correct signedness is returned.
7807 2006-05-02 Jeff Law <law@redhat.com>
7809 PR tree-optimization/27364
7810 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
7811 multiply expressions.
7813 2006-05-02 Tom Tromey <tromey@redhat.com>
7815 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
7817 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
7820 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
7821 -mthumb -fPIC are used.
7823 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
7824 Joshua Kinard <kumba@gentoo.org>
7827 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
7828 with 64-bit pointers.
7830 2006-05-02 Paul Brook <paul@codesourcery.com>
7832 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
7834 (create_fix_barrier): Check that a suitable barrier location is
7836 (arm_reorg): Include ftmp->address in allowable range of addresses.
7838 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
7841 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
7844 2006-05-02 Jakub Jelinek <jakub@redhat.com>
7847 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
7848 around RESULT_DECL for result passed by reference.
7849 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
7850 * omp-low.c (use_pointer_for_field): Don't look at
7851 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
7852 (scan_omp_1): Call remap_decl on RESULT_DECLs.
7853 (lower_rec_input_clauses): Don't allocate VLA memory for the second
7854 time or var for passing by reference for
7855 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
7856 TREE_ADDRESSABLE variables when passing by reference.
7858 * omp-low.c (dump_omp_region): Fix output formatting.
7861 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
7862 (expand_omp_parallel): Likewise.
7863 * tree-cfg.c (move_sese_region_to_fn): Likewise.
7866 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
7867 on statement list containing also constructors and destructors.
7868 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
7871 * except.c (duplicate_eh_regions): Fix clearing of
7872 cfun->eh->region_array entries.
7874 2006-05-01 DJ Delorie <dj@redhat.com>
7876 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
7878 (gcc_cv_objdump): Likewise.
7879 * configure: Regenerated.
7881 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
7884 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
7885 templates for case 3 and 4.
7887 2006-05-01 DJ Delorie <dj@redhat.com>
7889 * vec.c: Include bconfig.h when appropriate.
7890 * Makefile.in (build/vec.o): Adjust dependencies.
7891 * mkconfig.sh: Make sure config.h isn't used for build machine
7894 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7896 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
7898 (mark_phi_for_rewrite): New function.
7899 (insert_phi_nodes_for, mark_use_interesting): Call
7900 mark_phi_for_rewrite.
7901 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
7902 (update_ssa): Initialize and free phis_to_rewrite.
7904 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7906 PR rtl-optimization/27291
7907 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
7908 folded to a constant.
7910 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7912 PR tree-optimization/27283
7913 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
7914 not whole # of iteration descriptions.
7915 (niter_for_exit): Return just # of iterations. Fail if # of iterations
7916 uses abnormal ssa name.
7917 (niter_for_single_dom_exit): Ditto.
7918 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
7919 return just the number of iterations.
7921 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7923 PR tree-optimization/27144
7924 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
7925 (record_estimate): Only record constant upper bound.
7926 (infer_loop_bounds_from_undefined): Call
7927 compute_estimated_nb_iterations just once.
7928 (proved_non_wrapping_p): Renamed to ...
7929 (n_of_executions_at_most): ... this. Expect bound to be a constant.
7930 (convert_step_widening, scev_probably_wraps_p): Call
7931 n_of_executions_at_most instead of proved_non_wrapping_p.
7932 (substitute_in_loop_info): Do not replace values in bounds.
7933 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
7936 2006-05-01 Richard Henderson <rth@redhat.com>
7939 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
7940 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
7943 2006-05-01 Roger Sayle <roger@eyesopen.com>
7945 * c-typeck.c (parser_build_binary_op): Don't call the function
7946 unsigned_conversion_warning to spot operand/result type overflow.
7947 (build_binary_op): Instead, call convert_and_check instead of
7948 convert to report the problem when the operands are promoted.
7949 * c-common.c (unsigned_conversion_warning): Make static.
7950 * c-common.h (unsigned_conversion_warning): Delete prototype.
7952 2006-05-01 Richard Guenther <rguenther@suse.de>
7954 PR tree-optimization/26726
7955 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
7957 (find_interesting_uses_address): ... we work around here
7958 by folding INDIRECT_REFs in the substituted base.
7960 2006-05-01 Diego Novillo <dnovillo@redhat.com>
7962 * omp-low.c (dump_omp_region): Add newlines.
7964 2006-04-30 Roger Sayle <roger@eyesopen.com>
7966 * common.opt (Woverflow): New command line option.
7967 * c-common.c (constant_expression_warning): Check warn_overflow.
7968 (overflow_waring): Pass OPT_Woverflow to warning.
7969 (unsigned_conversion_warning): Likewise.
7970 (convert_and_check): Likewise.
7971 * doc/invoke.texi: Document new command line option.
7973 2006-04-30 David Edelsohn <edelsohn@gnu.org>
7975 * config/rs6000/rs6000.c (rs6000_override_options): Enable
7976 TARGET_NO_FP_IN_TOC for section anchors.
7977 (optimization_options): Enable section anchors for all
7978 non-"Objective" languages.
7980 2006-04-28 Eric Christopher <echristo@apple.com>
7982 * config/darwin-c.c (darwin_ms_struct): Move this
7983 (darwin_set_default_type_attributes): and this...
7984 * config/darwin.c: ... here.
7985 * config/darwin.h (darwin_ms_struct): Declare.
7987 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
7989 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
7991 2006-04-28 Roger Sayle <roger@eyesopen.com>
7994 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
7995 (push_array_bounds): Delete prototype. Change BOUNDS argument to
7996 an unsigned HOST_WIDE_INT.
7997 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
7999 (really_start_incremental_init): No need to call convert because
8000 bitsize_zero_node is already of type bitsizetype.
8001 (push_init_level): Extract the value of constructor_index as an
8002 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
8003 (process_init_element): Likewise.
8005 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
8007 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
8008 value before passing to make_relative_prefix.
8010 2006-04-28 Alan Modra <amodra@bigpond.net.au>
8013 * builtins.c (expand_builtin_memset): Expand val in original mode.
8015 2006-04-27 Eric Christopher <echristo@apple.com>
8017 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
8018 with #ifndef/#endif.
8019 * config/darwin-c.c (darwin_ms_struct): New.
8020 (darwin_pragma_ms_struct): Ditto.
8021 (darwin_set_default_type_attributes): Ditto.
8022 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
8023 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
8024 Register ms_struct pragma.
8025 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
8026 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
8027 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
8028 darwin_set_default_type_attributes if TARGET_MACHO.
8030 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
8032 PR tree-optimization/26854
8033 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
8034 * doc/tree-ssa.texi: Update immuse iterator documentation.
8035 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
8036 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
8037 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
8038 first_safe_imm_use, next_safe_imm_use): Remove.
8039 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
8040 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
8041 (move_use_after_head): New. Helper function to sort immuses in a stmt.
8042 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
8043 (first_imm_use_stmt): New. Get first stmt in an immuse list.
8044 (next_imm_use_stmt): New. Get next stmt in an immuse list.
8045 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
8046 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
8047 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
8048 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
8049 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
8050 (perfect_nestify): Use new iterator.
8051 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
8053 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
8054 (next_imm_name): New field in struct immediate_use_iterator_d.
8055 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
8056 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
8057 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
8058 * tree-cfg.c (replace_uses_by): Use new iterator.
8059 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
8060 * tree-ssa-operands.c (correct_use_link): Remove.
8061 (finalize_ssa_use_ops): No longer call correct_use_link.
8063 2006-04-27 Stuart Hastings <stuart@apple.com>
8065 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
8066 * config/t-darwin (crt3.o): Use it.
8067 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
8068 'pmode', use Pmode instead of SImode for SYMBOL_REF.
8069 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
8070 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
8071 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
8074 2006-04-27 Roger Sayle <roger@eyesopen.com>
8076 * expmed.c (store_fixed_bit_field): If we're not optimizing for
8077 size, force the intermediate into a new pseudo rather instead of
8078 performing both a bitwise AND and a bitwise IOR in memory.
8080 2006-04-27 Richard Guenther <rguenther@suse.de>
8082 PR rtl-optimization/26685
8083 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
8084 this one "max-flow-memory-locations".
8086 2006-04-27 Richard Guenther <rguenther@suse.de>
8088 PR tree-optimization/25148
8089 * tree-vrp.c (compare_values): Remove code dealing with
8090 comparisons against type min/max value. Honour overflow
8091 and negative constants in code dealing with comparisons
8092 of plus and minus expressions.
8093 (value_inside_range): Use fold_binary with LE_EXPR and
8094 GE_EXPR rather than compare_values.
8096 2006-04-27 Dirk Mueller <dmueller@suse.de>
8098 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
8101 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
8103 * basic-block.h (safe_insert_insn_on_edge): Removed.
8104 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
8106 2006-04-26 David Edelsohn <edelsohn@gnu.org>
8107 Paolo Bonzini <bonzini@gnu.org>
8110 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
8111 (simplify_and_const_int): Same.
8113 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
8115 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
8117 2006-04-26 Jakub Jelinek <jakub@redhat.com>
8120 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
8121 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
8122 cgraph_global_info_ready.
8125 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
8128 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
8129 either decl or init is error_mark_node.
8132 * tree-flow.h (struct omp_region): Add sched_kind.
8133 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
8134 instead of extracting omp for data.
8135 (expand_omp_for): Save extracted sched_kind.
8137 2006-04-25 Roger Sayle <roger@eyesopen.com>
8139 * expmed.c (store_bit_field): Also check whether the bitsize is
8140 valid for the machine's "insv" instruction before moving the
8141 target into a pseudo for use with the insv.
8142 * config/i386/predicates.md (const8_operand): New predicate.
8143 * config/i386/i386.md (extv, extzv, insv): Use the new
8144 const8_operand predicate where appropriate.
8146 2006-04-25 DJ Delorie <dj@redhat.com>
8148 * doc/install.texi (Specific): Clarify that this is not a list of
8149 supported hosts or targets.
8151 2006-04-25 Richard Sandiford <richard@codesourcery.com>
8153 PR rtl-optimization/26725
8154 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
8155 block's BB_DIRTY flag.
8157 2006-04-25 Geoffrey Keating <geoffk@apple.com>
8159 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
8162 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
8163 to print an integer.
8165 2006-04-25 David Edelsohn <edelsohn@gnu.org>
8167 * varasm.c (align_variable): New function.
8168 (get_block_for_decl): Apply align_variable to DECL before
8169 calculating section information.
8170 (assemble_variable): Split out alignment computation.
8172 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
8174 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
8177 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
8179 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
8180 MODE_PARTIAL_INT mode.
8181 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
8182 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
8184 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
8185 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
8187 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
8189 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
8191 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
8192 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
8193 MACFLAG_IH): Likewise.
8194 (movstricthi_1): Renamed from "*movstricthi".
8195 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
8196 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
8197 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
8198 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
8199 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
8200 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
8201 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
8202 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
8203 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
8204 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
8205 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
8206 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
8207 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
8208 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
8209 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
8211 * doc/rtl.texi (ss_ashift): Improve wording.
8213 2006-04-24 Geoffrey Keating <geoffk@apple.com>
8215 * dwarf2out.c (verify_marks_clear): New.
8216 (prune_unused_types): Call verify_marks_clear initially, not
8219 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
8221 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
8222 * doc/rtl.texi: Document them.
8223 * simplify-rtx.c (simplify_unary_operation,
8224 simplify_binary_operation_1): Don't abort when we see them.
8226 2006-04-24 Mark Mitchell <mark@codesourcery.com>
8229 2006-04-23 Mark Mitchell <mark@codesourcery.com>
8230 * configure.ac: Completely disregard languages that are not
8232 * configure: Regenerated.
8234 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
8235 Richard Guenther <rguenther@suse.de>
8237 PR tree-optimization/27236
8238 * tree-inline.c (copy_body_r): Make sure to copy
8239 TREE_THIS_VOLATILE flag.
8241 2006-04-24 Richard Guenther <rguenther@suse.de>
8244 * tree-complex.c (update_parameter_components): Don't handle
8245 unused parameters which have no default def.
8247 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
8248 Richard Guenther <rguenther@suse.de>
8250 PR tree-optimization/27218
8251 * tree-inline.c (expand_call_inline): Strip useless type
8252 conversions for the return slot address.
8254 2006-04-24 Richard Guenther <rguenther@suse.de>
8256 * cfgloop.h (struct loops): Remove unused field array. Reorder
8258 (LOOP_PREFETCH): Remove.
8260 2006-04-24 Richard Guenther <rguenther@suse.de>
8262 PR tree-optimization/22525
8263 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
8264 variable, adjust types of generated expressions.
8266 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
8268 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
8269 (tree-vect-patterns.o): Likewise.
8271 (cselib.o): Likewise.
8272 (loop-doloop.o): Likewise.
8273 (regclass.o): Likewise.
8274 (reload1.o): Likewise.
8275 (explow.o): Replace target.h with $(TARGET_H).
8276 (ipa-prop.o): Likewise.
8277 (ipa-cp.o): Likewise.
8278 (ipa-inline.o): Likewise.
8279 (reorg.o): Likewise.
8280 (reg-stack.o): Likewise.
8282 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
8284 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
8286 2006-04-23 Mark Mitchell <mark@codesourcery.com>
8288 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
8290 * configure.ac: Completely disregard languages that are not
8292 * configure: Regenerated.
8295 * c-common.h (c_build_bitfield_integer_type): Declare.
8296 * c-decl.c (c_build_bitfield_integer_type): Move to ...
8297 * c-common.c (c_build_bitfield_integer_type): ... here.
8299 2006-04-23 Roger Sayle <roger@eyesopen.com>
8302 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
8303 a SImode SUBREG of a floating point register after no_new_pseudos.
8305 2006-04-23 Roger Sayle <roger@eyesopen.com>
8307 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
8308 identify potentially eliminable registers to additionally catch
8309 VIRTUAL_INCOMING_ARGS_REGNUM.
8310 (addsi3): Update the conditions on when to use addsi_small_int.
8312 2006-04-23 Roger Sayle <roger@eyesopen.com>
8315 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
8316 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
8317 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
8319 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
8321 * fold-const.c (range_predecessor): Use operand_equal_p
8322 as the predicate for equality.
8323 (range_successor): Likewise.
8325 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
8328 * config/soft-fp/op-common.h: Fix a typo.
8330 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
8333 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
8334 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
8336 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
8338 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
8340 * doc/tm.texi: Fix a typo.
8342 2006-04-21 Geoffrey Keating <geoffk@apple.com>
8344 * dwarf2out.c (struct die_struct): Document that die_sib makes
8345 a circular linked list.
8346 (FOR_EACH_CHILD): New.
8347 (reverse_die_lists): Delete.
8348 (reverse_all_dies): Delete.
8349 (add_dwarf_attr): Correct documentation.
8350 (remove_child_with_prev): New.
8351 (remove_child_TAG): Update for change to die_struct, use
8352 remove_child_with_prev.
8353 (add_child_die): Update for change to die_struct.
8354 (splice_child_die): Use remove_child_with_prev and add_child_die.
8355 (print_die): Use FOR_EACH_CHILD.
8356 (die_checksum): Likewise.
8357 (assign_symbol_names): Likewise.
8358 (output_location_lists): Likewise.
8359 (build_abbrev_table): Likewise.
8360 (calc_die_sizes): Likewise.
8361 (mark_dies): Likewise.
8362 (unmark_dies): Likewise.
8363 (unmark_all_dies): Likewise.
8364 (output_die): Likewise.
8365 (prune_unused_types_mark): Likewise.
8366 (prune_unused_types_walk): Likewise.
8367 (same_die_p): Update for change to die_struct.
8368 (break_out_includes): Likewise.
8369 (prune_unused_types_prune): Likewise.
8370 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
8371 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
8373 (dwarf2out_finish): Don't call reverse_all_dies.
8375 2006-04-21 Eric Christopher <echristo@apple.com>
8377 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
8378 in comments and function names.
8380 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8383 * c-typeck.c (digest_init): Robustify.
8385 * c-typeck.c (pop_init_level): Simplify.
8387 2006-04-21 Steve Ellcey <sje@cup.hp.com>
8389 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
8391 2006-04-21 Paul Brook <paul@codesourcery.com>
8393 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
8394 hardware floating point.
8396 2006-04-21 David Edelsohn <edelsohn@gnu.org>
8398 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
8401 2006-04-21 Nick Clifton <nickc@redhat.com>
8403 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
8406 2006-04-21 Alan Modra <amodra@bigpond.net.au>
8409 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
8410 C++ lang type in traceback table for Objective-C++.
8412 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
8414 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
8416 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
8418 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8421 * tree-mudflap.c (mudflap_finish_file): Skip function when there
8422 were errors. Remove check for erroneous objects.
8424 2006-04-20 Jeff Law <law@redhat.com>
8426 PR tree-optimization/26854
8427 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
8428 checking for zero or one use.
8429 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
8430 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
8431 * tree-ssa-reassoc.c (negate_value): Similarly.
8432 (reassociate_bb): Similarly.
8434 2006-04-20 Jakub Jelinek <jakub@redhat.com>
8436 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
8437 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
8438 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
8440 2006-04-20 Alan Modra <amodra@bigpond.net.au>
8442 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
8443 fp regs if the last fp arg doesn't fit in regs.
8445 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
8448 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
8449 that the last insn has the REG_INC note.
8451 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
8452 Nathan Sidwell <nathan@codesourcery.com>
8455 * stor-layout.c (update_alignment_for_field): Do not align
8457 (place_union_field): Place union field at the start of the union.
8458 (place_field): Move ERROR_MARK check later, and use the current
8459 allocation position to maintain monotonicity.
8461 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
8463 * dominance.c: Include timevar.h.
8464 (calculate_dominance_info): Use TV_DOMINANCE.
8465 * timevar.def (TV_DOMINANCE): New timevar.
8466 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
8468 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
8470 PR rtl-optimization/14261
8471 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
8472 move would be an INSV insn.
8473 (noce_process_if_block): Don't optimize if the destination is a
8474 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
8476 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
8478 * config/s390/s390.md: Add comments with the instructions emitted
8479 by an insn pattern if macros are used.
8481 2006-04-19 Alan Modra <amodra@bigpond.net.au>
8483 PR rtl-optimization/26026
8484 * fold-const.c (fold_binary): Optimize div and mod where the divisor
8485 is a known power of two shifted left a variable amount.
8487 2006-04-18 Geoffrey Keating <geoffk@apple.com>
8489 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
8490 to hash table twice when the debug_str section has SECTION_MERGE.
8492 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
8494 * config/soft-fp: New directory. From glibc.
8495 * config/soft-fp/t-softfp: New.
8496 * config/soft-fp/README: New.
8497 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
8498 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
8499 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
8500 (LIBGCC_DEPS): Add $(SFP_MACHINE).
8501 * config.gcc: Use rs6000/t-fprules-fpbit or
8502 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
8504 * config/rs6000/sfp-machine.h: New. Based on glibc.
8505 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
8507 * config/rs6000/t-fprules: Remove fp-bit rules.
8508 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
8509 * config/rs6000/t-linux64: Likewise. Remove duplicates from
8510 LIB2FUNCS_EXTRA. Remove fp-bit rules.
8511 (softfp_wrap_start, softfp_wrap_end): New.
8513 2006-04-18 DJ Delorie <dj@redhat.com>
8515 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
8517 2006-04-18 Devang Patel <dpatel@apple.com>
8519 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
8521 2006-04-18 Nick Clifton <nickc@redhat.com>
8523 * config/sh/t-symbian: Add rule to build sh-c.o
8524 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
8525 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
8526 (sh_symbian_encode_section_info): Likewise.
8528 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
8530 * builtins.c (expand_builtin_strcmp): Cover label definition of
8531 do_libcall with HAVE_cmpstrnsi.
8533 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
8535 * function.c (temp_slots_at_level, max_slot_level): Use VEC
8537 * function.h (temp_slot_p): New.
8538 (function): Change the type of x_used_temp_slots to
8539 VEC(temp_slot_p,gc) *.
8541 2006-04-18 Nick Clifton <nickc@redhat.com>
8543 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
8544 flag_strength_reduce.
8546 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
8548 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
8552 Partial revert of revision 112637
8553 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
8554 Dale Johannesen <dalej@apple.com>
8557 * regclass.c (struct reg_pref): Update documentation.
8558 (regclass): Set prefclass to NO_REGS if memory is the best option.
8559 (record_reg_classes): Cope with a prefclass set to NO_REGS.
8561 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
8563 PR tree-optimization/26821
8564 * tree-ssa-math-opts.c (get_constant_one): New.
8565 (insert_reciprocals): Use it.
8567 2006-04-17 Geoffrey Keating <geoffk@apple.com>
8569 * dwarf2out.c (free_AT): Delete.
8570 (remove_AT): Update string ref counts.
8571 (remove_child_TAG): Don't call free_die.
8573 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
8574 or DW_TAG_GNU_EINCL.
8575 (prune_unused_types_walk_attribs): Reset string refcounts.
8576 (prune_unused_types_update_strings): New.
8577 (prune_unused_types_prune): Don't make unnecessary stores. Don't
8578 call free_die. Do call prune_unused_types_update_strings.
8579 (prune_unused_types): Empty debug_str_hash.
8581 2006-04-17 Roger Sayle <roger@eyesopen.com>
8583 * expr.c (expand_assignment): Optimize away no-op moves where the
8584 source and destination are equal and have no side-effects.
8586 2006-04-17 Richard Guenther <rguenther@suse.de>
8589 * reload.c (push_reload): Guard calls to get_secondary_mem
8592 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
8594 * alias.c (reg_base_value, old_reg_base_value): Change the
8595 type to VEC(rtx,gc) *.
8596 (REG_BASE_VALUE, find_base_value, record_set,
8597 init_alias_analysis): Use VEC instead of VARRAY.
8599 * alias.c (alias_sets): Change the type to
8600 VEC(alias_set_entry,gc) *.
8601 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
8602 VEC instead of VARRAY.
8603 (last_alias_set): Remove.
8605 * cgraph.h (cgraph_edge_p): New.
8606 Update the prototype of cgraph_function_versioning.
8607 * cgraphunit.c (cgraph_copy_node_for_versioning,
8608 cgraph_function_versioning): Use VEC instead of VARRAY.
8609 * ipa-cp.c (ipcp_insert_stage): Likewise.
8611 2006-04-16 Roger Sayle <roger@eyesopen.com>
8614 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
8615 "A op B" or "A op C", we may need to convert A to the type of B and C.
8617 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
8619 * target.h (struct gcc_target): Add mode_rep_extended.
8620 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
8621 (init_num_sign_bit_copies_in_rep): Initialize it using
8623 (truncate_to_mode): Use it.
8624 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
8625 * targhooks.h (default_mode_rep_extended): Declare it.
8626 * targhooks.c (default_mode_rep_extended): Define it.
8627 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
8628 default_mode_rep_extended.
8629 (TARGET_INITIALIZER): Include it.
8630 * doc/tm.texi (Misc): Document it.
8631 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
8632 (mips_truncated_to_mode): New function.
8634 2006-04-16 Roger Sayle <roger@eyesopen.com>
8637 * expr.c (compress_float_constant): Copy the narrow constant into
8638 a new pseudo before extending it to its final width.
8640 2006-04-16 Roger Sayle <roger@eyesopen.com>
8641 Andrew Pinski <pinskia@gcc.gnu.org>
8642 Dale Johannesen <dalej@apple.com>
8645 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
8646 special case code to implement V8HImode and V16QImode with SSE2.
8648 2006-04-15 Roger Sayle <roger@eyesopen.com>
8650 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
8651 trees are constructed with a suitable tree type.
8653 2006-04-15 Roger Sayle <roger@eyesopen.com>
8655 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
8656 (integer_onep): Likewise.
8657 (integer_all_onesp): Likewise.
8658 (integer_pow2p): Likewise.
8659 (integer_nonzerop): Likewise.
8660 (real_zerop): Likewise.
8661 (real_onep): Likewise.
8662 (real_twop): Likewise.
8663 (real_minus_onep): Likewise.
8664 (int_size_in_bytes): Likewise.
8665 (host_integerp): Likewise.
8667 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
8669 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
8670 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
8671 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
8673 * tree-ssa-structalias.h (alias_info): Remove num_references.
8675 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8677 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
8678 (output_bvb patterns): Likewise.
8679 * pa.c (output_bb): Use 'bb' insn for long branch case.
8680 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
8681 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
8682 1. Correct length operand for alternatives 1 and 2.
8683 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
8684 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
8686 2006-04-14 Roger Sayle <roger@eyesopen.com>
8688 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
8689 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
8690 were accidentally reverted by r112959.
8692 2006-04-15 Jakub Jelinek <jakub@redhat.com>
8695 * except.h (eh_region_outermost): New prototype.
8696 * except.c (eh_region_outermost): New function.
8697 * tree-cfg.c (find_outermost_region_in_block): Use it.
8699 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
8701 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
8703 * reload1.c (reg_equiv_memory_loc_varray): Rename to
8704 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
8705 (init_reload, reload): Use VEC instead of VARRAY.
8706 * reload.h: Update the prototype for
8707 reg_equiv_memory_loc_varray.
8709 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
8710 Eric Botcazou <ebotcazou@libertysurf.fr>
8712 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
8715 2005-04-13 Uros Bizjak <uros@kss-loka.si>
8718 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
8719 to expand fallback builtin function call.
8721 2006-04-14 Alan Modra <amodra@bigpond.net.au>
8724 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
8725 and emit libcall here in case the builtin fails.
8726 (expand_builtin_strcmp): Always emit the libcall here on failure.
8728 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
8730 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
8731 * flow.c (reg_n_info): Change the type to
8732 VEC(reg_info_p,heap) *.
8733 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
8735 * regs.h (reg_info_p): New.
8736 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
8737 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
8738 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
8741 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
8743 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
8745 * params.h (MAX_SCHED_READY_INSNS): New macro.
8746 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
8747 past MAX_SCHED_READY_INSNS during the first scheduling pass.
8748 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
8749 the ready list for 1 cycle during the first scheduling pass.
8750 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
8752 2006-04-13 Richard Henderson <rth@redhat.com>
8755 * gimple-low.c (lower_omp_directive): Remove dead code.
8756 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
8757 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
8758 * omp-low.c (struct omp_region): Move to tree-flow.h.
8759 (root_omp_region): Export.
8760 (omp_regions, lookup_omp_region): Remove.
8761 (determine_parallel_type): Update for struct omp_region changes.
8762 (dump_omp_region): Dump regions with block numbers.
8763 (new_omp_region): Take type and block instead of stmt; malloc
8765 (free_omp_region_1, free_omp_regions): New.
8766 (expand_parallel_call): Take entry_stmt as argument; update for
8767 changes to omp_region.
8768 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
8769 (remove_exit_barriers): New.
8770 (expand_omp_parallel): Update for struct omp_region changes.
8771 (expand_omp_synch): Likewise.
8772 (expand_omp): Likewise.
8773 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
8774 (expand_omp_for_static_chunk): Likewise.
8775 (expand_omp_for): Likewise.
8776 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
8777 (expand_omp_sections): Similarly, with GOMP_sections_end.
8778 (expand_omp_single): New.
8779 (build_omp_regions_1): Update for OMP_CONTINUE.
8780 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
8781 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
8782 OMP_SECTIONS_SECTIONS.
8783 (lower_omp_single_simple): Don't emit barrier here.
8784 (lower_omp_single_copy): Likewise.
8785 (lower_omp_single): Fix bindings, and lower to straightline now.
8786 (lower_omp_master, lower_omp_ordered): Likewise.
8787 (lower_omp_critical): Likewise.
8788 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
8789 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
8790 omp edges, free it afterward.
8791 (make_omp_sections_edges): Remove.
8792 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
8793 (move_stmt_r): Handle OMP_CONTINUE.
8794 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
8795 statement pointers to basic blocks. Add type member.
8796 (root_omp_region, new_omp_region, free_omp_regions): Declare.
8797 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
8798 * tree-inline.c (estimate_num_insns_1): Likewise.
8799 * tree-pretty-print.c (dump_generic_node): Likewise.
8800 * tree-ssa-operands.c (get_expr_operands): Likewise.
8801 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
8802 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
8803 (OMP_CONTINUE): New.
8804 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
8805 (OMP_SECTIONS_SECTIONS): Remove.
8806 (OMP_SECTION_LAST): New.
8807 (OMP_RETURN_NOWAIT): New.
8809 2006-04-13 Roger Sayle <roger@eyesopen.com>
8811 * fold-const.c (native_encode_vector, native_interpret_real):
8812 Correct obvious mistakes in the previous check-in.
8814 2006-04-13 Roger Sayle <roger@eyesopen.com>
8816 * fold-const.c (native_encode_expr): New function to encode
8817 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
8818 or VECTOR_CST into a specified buffer.
8819 (native_encode_int): New function.
8820 (native_encode_real): New function.
8821 (native_encode_complex): New function.
8822 (native_encode_vector): New function.
8823 (native_interpret_expr): Inverse of native_encode_expr to convert
8824 a target representation into an INTEGER_CST, REAL_CST etc...
8825 (native_interpret_int): New function.
8826 (native_interpret_real): New function.
8827 (native_interpret_complex): New function.
8828 (native_interpret_vector): New function.
8829 (fold_view_convert_expr): New function to constant fold/evaluate
8830 a VIEW_CONVERT_EXPR of a suitable constant expression.
8831 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
8832 Change call of build1 to fold_build1 when constructing a
8835 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
8836 Ulrich Weigand <uweigand@de.ibm.com>
8839 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
8842 2006-04-13 Alan Modra <amodra@bigpond.net.au>
8845 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
8846 optimize to lo_sum for DFmode if !TARGET_FPRS.
8848 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
8850 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
8851 delete_alias_info, compute_flow_sensitive_aliasing,
8852 group_aliases): Use VEC instead of VARRAY.
8853 * tree-ssa-structalias.c (update_alias_info): Likewise.
8854 * tree-ssa-structalias.h (alias_info): Change the type of
8855 processed_ptrs to VEC(tree,heap) *.
8857 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
8860 * config/sh/lib1funcs.h: New file, broken out of:
8861 * config/sh/lib1funcs.asm.
8862 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
8864 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
8865 * config/sh/lib1funcs-Os-4-200.asm: New file.
8866 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
8867 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
8868 (EXTRA_MULTILIB_PARTS): Include it.
8869 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
8870 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
8871 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
8872 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
8875 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
8877 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
8878 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
8879 tpa_compact, root_var_init, type_var_init): Use VEC instead of
8881 * tree-ssa-live.h: Include vecprim.h.
8882 (tree_partition_associator_d): Change the type of
8883 first_partition to VEC(int,heap) *.
8884 (tpa_first_partition): Use VEC instead of VARRAY.
8886 * Makefile.in (GTFILES): Move functions.h after tree.h.
8887 * function.c (reset_block_changes, record_block_change,
8888 check_block_change, free_block_changes): Use VEC instead of
8890 * function.h (function): Change the type of
8891 ib_boundaries_block to VEC(tree,gc) *.
8892 * tree-inline.c (copy_cfg_body): Initialize
8893 ib_boundaries_block to NULL instead of (varray_type) 0.
8895 2006-04-12 Roger Sayle <roger@eyesopen.com>
8897 * expr.c (emit_group_store): Correct operand order in call to
8898 subreg_lowpart_offset. Always create paradoxical SUBREGs with
8899 a SUBREG_BYTE of zero.
8901 2006-04-12 Richard Guenther <rguenther@suse.de>
8903 * profile.c (compute_branch_probabilities): Remove code
8904 encapsulated in !ir_type (), which are remanents of the
8905 removed RTL profiling code.
8906 * rtl-profile.c: Remove.
8908 2006-04-12 Alan Modra <amodra@bigpond.net.au>
8910 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
8911 magic NULL_RTX comment.
8912 (function_arg): Store entire fp arg to mem if any part should go
8914 (rs6000_arg_partial_bytes): Adjust for above change.
8916 2006-04-11 Roger Sayle <roger@eyesopen.com>
8918 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
8919 if it hasn't been initialized by dwarf2out_init.
8921 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
8923 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
8924 symbolic constants in branch patterns.
8926 2006-04-11 Roger Sayle <roger@eyesopen.com>
8928 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
8930 2006-04-11 Richard Sandiford <richard@codesourcery.com>
8932 PR rtl-optimization/27073
8933 * gcse.c (try_replace_reg): Revert last change. Continue to search
8934 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
8937 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
8939 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
8940 aggregate types other than record and union types.
8941 (function_arg): Likewise.
8942 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
8944 (function_value): In 64-bit mode, return objects that require it
8947 2006-04-11 Roger Sayle <roger@eyesopen.com>
8949 * dwarf2out.c (premark_used_types): Remove problematic prototype.
8951 2006-04-11 Jakub Jelinek <jakub@redhat.com>
8953 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
8955 2006-04-03 Jeff Law <law@redhat.com>
8958 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
8959 alias information too.
8961 2006-04-10 Mike Frysinger <vapier@gentoo.org>
8963 * Makefile.in (gcc-cross): Add $(exeext) to target name.
8965 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
8968 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
8969 (premark_used_types_helper): New.
8970 (premark_used_types): New.
8971 (gen_subprogram_die): Call premark_used_types.
8972 (prune_unused_types_walk): Do not prune perennial dies.
8973 * function.c (used_types_insert): New.
8974 * function.h (struct function): Add used_types_hash field.
8975 (used_types_insert): Add prototype.
8976 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
8977 * c-parser.c (c_parser_cast_expression): Save casted types in used
8980 2006-04-11 Mark Mitchell <mark@codesourcery.com>
8983 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
8984 rs6000_explicit_options.float_gprs.
8986 2006-04-10 Roger Sayle <roger@eyesopen.com>
8988 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
8989 from ix86_expand_vector_init_low_nonzero. Take an additional
8990 one_var argument indicating which element is non-zero. Support
8991 one_var != 0 for V4SFmode and V4SImode by permuting the result.
8992 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
8993 with one_var instead of ix86_expand_vector_init_low_nonzero.
8995 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
8997 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
8998 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
8999 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
9000 build/genextract.o): Depend on vecprim.h.
9001 * cfglayout.c, df-problems.c, function.c, genextract.c,
9002 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
9003 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
9007 2006-04-10 Geoffrey Keating <geoffk@apple.com>
9009 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
9010 Declare VECs of this type.
9011 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
9012 (remove_children): Delete.
9013 (add_dwarf_attr): Use VEC routines.
9014 (add_AT_flag): Update for changes to add_dwarf_attr.
9015 (add_AT_int): Likewise.
9016 (add_AT_unsigned): Likewise.
9017 (add_AT_long_long): Likewise.
9018 (add_AT_vec): Likewise.
9019 (add_AT_string): Likewise.
9020 (add_AT_die_ref): Likewise.
9021 (add_AT_fde_ref): Likewise.
9022 (add_AT_loc): Likewise.
9023 (add_AT_loc_list): Likewise.
9024 (add_AT_addr): Likewise.
9025 (add_AT_lbl_id): Likewise.
9026 (add_AT_lineptr): Likewise.
9027 (add_AT_macptr): Likewise.
9028 (add_AT_offset): Likewise.
9029 (add_AT_range_list): Likewise.
9030 (get_AT): Use VEC_iterate.
9031 (remove_AT): Use VEC_ordered_remove.
9032 (free_die): Fold remove_children into here; have it use VEC_iterate.
9033 (print_die): Use VEC_iterate on attrs.
9034 (reverse_die_lists): Don't reverse attr lists.
9035 (die_checksum): Use VEC_iterate on attrs.
9036 (same_die_p): Likewise.
9037 (output_location_lists): Likewise.
9038 (build_abbrev_table): Likewise.
9039 (size_of_die): Likewise.
9040 (unmark_all_dies): Likewise.
9041 (output_abbrev_section): Likewise.
9042 (output_die): Likewise.
9043 (prune_unused_types_walk_attribs): Likewise.
9045 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
9047 * doc/install.texi (*-*-solaris2*): Point to the configure page.
9049 2006-04-10 Jakub Jelinek <jakub@redhat.com>
9052 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
9054 2006-04-09 Roger Sayle <roger@eyesopen.com>
9056 * expr.c (store_constructor): Don't bother clearing target if
9057 we're about to assign a vector to it using vec_init_optab.
9059 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
9061 * tree-ssa-alias.c (lhs_may_store_to): New function.
9062 (recalculate_used_alone): Handle LHS of calls.
9064 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9068 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
9069 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
9070 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
9071 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
9072 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
9073 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
9074 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
9075 stubs. Add ".align 8" directives before all ".dword" directives.
9076 (GTHREAD_USE_WEAK): Revise comment.
9077 (TARGET_ATTRIBUTE_WEAK): Define.
9078 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
9079 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
9080 * stublib.c: New file.
9085 * pa.md (cbranch patterns): Revise arguments used in calls to
9086 output_cbranch, output_bb and output_bvd. Add long branch length
9088 (fbranch patterns): Handle long branches.
9089 (jump): Revise length check. Revise arguments for output_lbranch call.
9090 Add long branch length attributes.
9091 (decrement_and_branch_until_zero): Add long branch length attributes.
9092 (output_movb, output_parallel_addb and output_parallel_movb patterns):
9093 Likewise. Revise arguments for output_parallel_addb and
9094 output_parallel_movb calls.
9095 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
9096 output_parallel_movb and output_parallel_addb): Update prototypes.
9097 * pa.c (output_cbranch): Revise arguments. Correct handling of
9098 nullification in long branches.
9099 (output_lbranch): Add new argument to control extraction of delay
9101 (output_bb): Handle long branches.
9102 (output_bvb, output_dbra, output_movb, output_parallel_movb,
9103 output_parallel_addb): Likewise.
9105 2006-04-09 Richard Sandiford <richard@codesourcery.com>
9107 PR rtl-optimization/27073
9108 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
9111 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
9113 * tree.h (tree_memory_tag): Add old_used_alone.
9114 (SMT_OLD_USED_ALONE): New macro.
9115 * tree-ssa-alias.c (recalculate_used_alone): Stop
9116 marking things for renaming unnecessarily.
9118 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
9120 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
9121 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
9122 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
9123 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
9124 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
9125 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
9126 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
9127 spelling convensions.
9128 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
9129 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
9130 typos. Follow spelling conventions.
9132 2006-04-07 DJ Delorie <dj@redhat.com>
9134 * config/m32c/m32c.c (m32c_function_arg): Structures are always
9135 passed on the stack.
9136 (m32c_init_cumulative_args): When a function returns a structure,
9137 always pass the pointer to that return area on the stack.
9138 (m32c_function_arg_advance): Don't increment the parameter number
9139 if we're processing the returned structure pointer.
9140 (pushm_info): Reverse order of registers.
9142 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
9144 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
9145 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
9146 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
9147 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
9149 * tree-chrec.c (chrec_fold_multiply_poly_poly,
9150 chrec_fold_multiply): Same.
9151 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
9152 force_expr_to_var_cost): Same.
9153 * tree-mudflap.c (mf_xform_derefs_1): Same.
9154 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
9156 2006-04-07 David Edelsohn <edelsohn@gnu.org>
9158 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
9159 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
9162 2006-04-07 Jan Hubicka <jh@suse.cz>
9164 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
9166 2006-04-07 Richard Guenther <rguenther@suse.de>
9168 PR tree-optimization/26135
9169 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
9170 loads for store copy-prop.
9171 (copy_prop_visit_stmt): Likewise.
9173 2006-04-05 Robert Millan <robertmh@gnu.org>
9175 * config/i386/linux.h: Add a comment to mark macros that are
9176 being overriden in config/k*bsd-gnu.h.
9177 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
9179 * config/knetbsd-gnu.h: Ditto.
9181 2006-04-06 Jan Hubicka <jh@suse.cz>
9185 * coverage.c (coverage_checksum_string): Reorganize loop to not read
9188 2006-04-06 Mike Stump <mrs@apple.com>
9190 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
9191 for HAVE_nonlocal_goto to be consistent.
9192 (expand_builtin_nonlocal_goto): Likewise.
9193 (expand_builtin_strcmp): Use #ifdef instead of #if
9194 for HAVE_cmpstrnsi to be consistent.
9196 2006-04-05 DJ Delorie <dj@redhat.com>
9198 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
9201 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
9203 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
9204 got-relative addressing for anything but SImode.
9206 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
9207 even if the calling function doesn't modify them.
9209 2006-04-05 Richard Guenther <rguenther@suse.de>
9211 PR tree-optimization/26919
9212 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
9213 to cgraph_estimate_size_after_inlining.
9215 2006-04-05 Alan Modra <amodra@bigpond.net.au>
9217 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
9219 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
9221 PR tree-optimization/26996
9222 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
9223 VECTOR_TYPE variables.
9225 2006-04-05 Richard Guenther <rguenther@suse.de>
9227 PR tree-optimization/26763
9228 * fold-const.c (fold_comparison): Move folding of
9229 PTR + CST CMP PTR + CST ...
9230 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
9232 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
9234 * doc/install.texi (Prerequisites): Refine some wording on
9235 bootstrapping and ksh.
9236 Move the version numbers of DejaGnu here from the testing section
9237 and fix casing of names.
9238 Fix markup and clarify wording for autogen requirements.
9239 Refer to GCJ instead of just java.
9240 Refer to SVN instead of CVS.
9241 Describe diffutils as useful instead of necessary.
9242 (Downloading the source): Refer to SVN instead of CVS.
9243 Adjust a link to our web site accordingly.
9244 (Configuration): Fix casing of Bison.
9245 (Building): Refer to SVN instead of CVS.
9246 Fix a sentence on the use of Bison and remove duplicate (and
9247 incorrect) version number of Bison requirement.
9248 Remove one redundant list of packages needed for building.
9249 (Specific): Avoid reference to CVS.
9251 2006-04-04 Eric Christopher <echristo@apple.com>
9253 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
9254 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
9255 (rs6000_handle_struct_attribute): New.
9256 (rs6000_ms_bitfield_layout_p): Ditto.
9258 2006-04-04 Geoffrey Keating <geoffk@apple.com>
9260 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
9261 NULL for dso parameter to atexit_common.
9263 2006-04-04 Eric Christopher <echristo@apple.com>
9265 * config/i386/i386.c (machopic_output_stub): Output \t
9266 between instructions and operands.
9268 2006-04-04 David Edelsohn <edelsohn@gnu.org>
9270 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
9271 satisfies_constraint_[IL] to explicit tests on value.
9273 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
9275 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
9276 set_nb_iterations_in_loop): Use build_int_cst instead of
9278 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
9279 build_int_cst instead of convert.
9281 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
9283 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
9284 new value 2 for incoming.
9285 * function.c (expand_function_start): Call struct_value_rtx
9287 * config/sparc/sparc.md: Comment updated_return.
9288 * config/sparc/sparc.opt: Add -mstd-struct-return option.
9289 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
9290 struct return if sparc_std_struct_return and incoming is 2.
9291 (print_operand): Do not adjust return if
9292 sparc_std_struct_return.
9294 2006-04-04 Roger Sayle <roger@eyesopen.com>
9296 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
9297 convert in the middle-end.
9298 * expr.c (store_expr, store_constructor, get_inner_reference,
9299 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
9301 * tree.c (build_range_type): Likewise.
9303 2006-04-04 Tom Tromey <tromey@redhat.com>
9305 * doc/install.texi (Prerequisites): Mention jar.
9307 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
9309 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
9312 2006-04-04 Matthias Klose <doko@debian.org>
9314 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
9318 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
9321 2006-04-03 Geoffrey Keating <geoffk@apple.com>
9323 * doc/extend.texi (Function Attributes): Rewrite visibility
9324 attribute documentation.
9325 * doc/invoke.texi (C++ Dialect Options): Rewrite
9326 -fvisibility-inlines-hidden documentation to describe something
9327 entirely different, although in practise compatible.
9328 (Code Gen Options): Warn about system headers in -fvisibility=
9331 * doc/extend.texi (Other Builtins): Document that
9332 __builtin_nan is a compile-time constant only when its argument
9335 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
9337 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
9338 trying to remove TRUNCATE check if all bits outside the new mode
9339 are identical to the sign bit.
9341 2006-04-03 Jeff Law <law@redhat.com>
9343 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
9344 and operand scanning in some common cases.
9346 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
9347 Dale Johannesen <dalej@apple.com>
9350 * regclass.c (struct reg_pref): Update documentation.
9351 (regclass): Set prefclass to NO_REGS if memory is the best option.
9352 (record_reg_classes): Cope with a prefclass set to NO_REGS.
9353 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
9354 into account. For non-registers, equate an empty preferred
9355 reload class to a `!' in the constraint; move the if clause to
9356 do so after those that reject the insn.
9357 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
9359 (find_dummy_reload): Likewise.
9360 * doc/tm.texi (Register Classes): Document what it means
9361 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
9362 * config/i386/i386.c (ix86_preferred_reload_class): Force
9363 using SSE registers (and return NO_REGS for floating-point
9364 constants) if math is done with SSE.
9365 (ix86_preferred_output_reload_class): New.
9366 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
9367 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
9368 * config/i386/i386.md: Remove # register preferences.
9370 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
9373 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
9374 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
9375 the type of nb_iter.
9376 (instantiate_parameters_1): Convert the operands before calling
9377 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
9378 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
9380 2006-04-02 Roger Sayle <roger@eyesopen.com>
9382 * builtins.c (dummy_object): Use build_int_cst instead of convert.
9383 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
9385 * dojump.c (do_jump): Likewise.
9386 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
9387 * gimplify.c (gimple_boolify, gimplify_init_constructor,
9388 gimplify_boolean_expr): Likewise.
9389 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
9390 * varasm.c (array_size_for_constructor): Likewise.
9391 * tree-object-size.c (compute_object_offset): Likewise.
9393 2006-04-02 Roger Sayle <roger@eyesopen.com>
9396 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
9397 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
9399 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
9401 PR tree-optimization/26939
9402 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
9404 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
9406 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
9407 at_stmt. Convert the type of operands before calling
9408 build_polynomial_chrec.
9409 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
9411 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
9412 (instantiate_parameters_1): Convert the type of operands before calling
9413 build_polynomial_chrec.
9414 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
9415 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
9416 reset_evolution_in_loop): Insert asserts to check the types of the
9418 (chrec_type): Moved...
9419 (eq_evolutions_p): Use operand_equal_p.
9420 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
9421 the types of the operands.
9422 (chrec_type): ...here.
9423 * tree-data-ref.c (create_data_ref): Convert the operands before
9424 calling chrec_replace_initial_condition.
9425 (same_access_functions, analyze_subscript_affine_affine,
9426 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
9427 (compute_subscript_distance, analyze_ziv_subscript,
9428 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
9429 analyze_miv_subscript): Convert the operands before calling
9430 chrec_fold_minus or chrec_fold_plus.
9432 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
9434 * tree-data-ref.c (compute_all_dependences): Use a pointer to
9435 the dependence_relations vector.
9436 (compute_data_dependences_for_loop): Adjust call to
9437 compute_all_dependences.
9439 2006-04-01 Roger Sayle <roger@eyesopen.com>
9440 Richard Henderson <rth@redhat.com>
9442 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
9443 gimple_boolify on the condition before calling gimplify_expr.
9445 2006-03-31 Bob Wilson <bob.wilson@acm.org>
9447 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
9448 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
9449 the frame size. Update to use the new macros.
9450 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
9451 * config/xtensa/ieee754-df.S: Likewise.
9453 2006-03-31 Richard Henderson <rth@redhat.com>
9455 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
9456 (make_edges): ... here. Control fallthru creation with a local
9457 variable. Do not play with fake edges.
9458 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
9459 (make_goto_expr_edges): Don't play with fake edges. Make for_call
9462 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
9464 * dwarf2.h (DW64_CIE_ID): Define.
9465 * dwarf2out.c (DWARF_CIE_ID): Define.
9466 (output_call_frame_info): Output 0xffffffff before standard 8-byte
9467 length header. Use DWARF_CIE_ID.
9468 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
9469 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
9471 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
9473 * config/sh/linux-atomic.asm: New file.
9474 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
9476 2006-03-31 DJ Delorie <dj@redhat.com>
9478 * config/m32c/cond.md: Set condition flags properly throughout.
9479 * config/m32c/minmax.md: Likewise.
9480 * config/m32c/prologue.md: Likewise.
9481 * config/m32c/bitops.md: Likewise.
9482 * config/m32c/muldiv.md: Likewise.
9483 * config/m32c/mov.md: Likewise.
9484 * config/m32c/addsub.md: Likewise.
9485 * config/m32c/m32c.md: Likewise.
9486 * config/m32c/jump.md: Likewise.
9487 * config/m32c/shift.md: Likewise.
9489 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
9490 conditionally output the pattern for this.
9491 * config/m32c/m32c.c (flags_needed_for_conditional): New.
9492 (m32c_compare_redundant): New.
9493 (m32c_output_compare): New.
9494 * config/m32c/m32c-protos.h (m32c_output_compare): New.
9496 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
9497 dest, not src. Allow other 4-byte modes.
9499 2006-03-30 Denis Chertykov <denisc@overta.ru>
9501 * doc/md.texi: Refer to avr/constraints.md instead of
9504 2006-03-30 Roger Sayle <roger@eyesopen.com>
9506 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
9507 signed vs. unsigned comparison failures on some hosts.
9509 2006-03-31 Alan Modra <amodra@bigpond.net.au>
9512 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
9513 change to FLOAT_REGS.
9515 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
9516 (rs6000_override_options): Use it.
9517 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
9518 only for -mabi=spe/no-spe and -mabi=altivec.
9520 2006-03-30 Geoffrey Keating <geoffk@apple.com>
9522 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
9525 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
9527 * Makefile.in: Rename docdir to gcc_docdir.
9529 2006-03-30 Roger Sayle <roger@eyesopen.com>
9532 * expr.c (emit_group_store): Optimize group stores into a pseudo
9533 register by using a paradoxical subreg to initialize the destination
9534 if the first or last member of the group specifies a "low part".
9536 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9539 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
9540 * target.h (struct gcc_target.speculate_insn): Change type of the
9541 second parameter to 'int'.
9542 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
9543 the second operand of the DEPS_LIST.
9544 (copy_DEPS_LIST_list): Update reference to the second operand of the
9546 * rtl.h (alloc_DEPS_LIST): Update signature.
9547 * sched-int.h (ds_t): Change typedef to 'int'.
9548 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
9550 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9552 * haifa-sched.c (try_ready): Change condition to restore
9553 non-speculative pattern of the instruction.
9554 (process_insn_depend_be_in_spec): Code to keep probability of the
9555 speculative dependence non-decreasing.
9557 2006-03-30 Jie Zhang <jie.zhang@analog.com>
9559 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
9560 (single_move_for_movmem): ... this. Also change all uses.
9561 (bfin_expand_strmov): Renamed to...
9562 (bfin_expand_movmem): ... this. Also change all uses.
9563 * config/bfin/bfin.md (movstrsi): Renamed to...
9564 (movstrsi): ...this.
9566 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
9568 PR tree-optimization/26830
9570 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
9571 (copy_prop_visit_stmt): Remove write-only variable ann.
9572 (init_copy_prop): Check variable loop depth here. Do not simulate
9573 memory-tag and virtual operand PHIs except for store copy prop.
9575 2006-03-30 Richard Guenther <rguenther@suse.de>
9577 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
9578 variants with double arguments.
9580 2006-03-29 David Edelsohn <edelsohn@gnu.org>
9582 * genpreds.c (write_tm_constrs_h): Delete variable p.
9583 * genconditions.c (write_header): Add tm-constrs.h to included
9585 * genpeep.c (main): Add toplev.h to included headers.
9586 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
9587 (build/genpeep.o): Add toplev.h dependency.
9588 * config/rs6000/constraints.md: Add "W" constraint.
9590 2006-03-29 Roger Sayle <roger@eyesopen.com>
9592 * stor-layout.c (mode_for_size_tree): Remove restiction on type
9593 sizes by correctly testing whether the size fits a host integer.
9594 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
9595 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
9596 SImode range for the default sizetype and bitsizetype.
9598 2006-03-29 Roger Sayle <roger@eyesopen.com>
9600 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
9601 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
9602 quickly if the argument is already of the correct type.
9603 Call fold_build1 instead of build1. Tidy up blank lines.
9605 2006-03-29 David Edelsohn <edelsohn@gnu.org>
9607 * genemit.c (main): Add tm-constrs.h to included headers.
9608 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
9609 * genpeep.c (main): Add tm-constrs.h to included headers.
9610 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
9611 (write_tm_constrs_h): this and write complete file.
9612 (write_tm_preds_h): Do not emit satisfies_constraint fns.
9613 (write_insn_preds_c): Add tm-constrs.h to included headers.
9614 (gen_constrs): New variable.
9615 (parse_option): Parse "-c".
9616 (main): Invoke write_tm_constrs_h.
9617 * genrecog.c (write_header): Add tm-constrs.h to included headers.
9618 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
9619 (object_out_file): Add tm-constrs.h dependency.
9620 (insn-emit.o): Same.
9621 (insn-output.o): Same.
9622 (insn-peep.o): Same.
9623 (insn-preds.o): Same.
9624 (insn-recog.o): Same.
9625 (tm-constsr.h): New target.
9626 (s-constrs-h): New target.
9628 * config/rs6000/constraints.md: New file.
9629 * config/rs6000/rs6000.c: Include tm-constrs.h.
9630 (num_insn_constant_wide): Convert to satisfies_constraint.
9631 (rs6000_rtx_costs): Convert to satisfies_constraint.
9632 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
9633 (CONST_OK_FOR_LETTER_P): Delete.
9634 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
9635 (EXTRA_CONSTRAINT): Delete.
9636 (EXTRA_MEMORY_CONSTRAINT): Delete.
9637 (EXTRA_ADDRESS_CONSTRAINT): Delete.
9638 * config/rs6000/predicates.md: Convert to satisfies_constraint.
9639 * config/rs6000/rs6000.md: Include constraints.md. Convert to
9640 satisfies_constraint.
9642 * config/i386/i386.c: Include tm-constrs.h.
9644 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
9646 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
9647 * tree-data-ref.c (find_data_references_in_loop,
9648 compute_data_dependences_for_loop): Use pointers to VEC.
9649 (analyze_all_data_dependences): Adjust calls.
9650 * tree-data-ref.h (find_data_references_in_loop,
9651 compute_data_dependences_for_loop): Adjust declarations.
9652 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
9653 compute_data_dependences_for_loop.
9655 2006-03-29 Paul Brook <paul@codesourcery.com>
9657 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
9660 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
9662 PR tree-optimization/26859
9663 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
9665 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
9666 for the step after fold_convert.
9668 2006-03-29 Paul Brook <paul@codesourcery.com>
9670 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
9671 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
9673 2006-03-29 Paul Brook <paul@codesourcery.com>
9676 * targhooks.c (default_narrow_bitfield): New fuction.
9677 * targhooks.h (default_narrow_bitfield): add prototype.
9678 * target.h (gcc_target): Add narrow_volatile_bitfield.
9679 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
9680 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
9681 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
9682 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
9684 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
9686 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
9688 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
9689 (NR_C_MODES): Add TDmode, DDmode and SDmode.
9690 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
9691 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
9692 (s390_function_arg_float): Allow SDmode and DDmode values to be
9693 passed in floating point registers.
9694 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
9695 check with SCALAR_FLOAT_MODE_P.
9696 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
9698 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
9700 PR tree-optimization/25985
9701 * tree-ssa-loop-niter.c (number_of_iterations_le,
9702 number_of_iterations_ne): Make comments more precise.
9703 (number_of_iterations_cond): Add only_exit argument. Use the
9704 fact that signed variables do not overflow only when only_exit
9706 (loop_only_exit_p): New.
9707 (number_of_iterations_exit): Pass result of loop_only_exit_p to
9708 number_of_iterations_cond.
9710 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
9712 PR tree-optimization/26643
9713 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
9716 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
9718 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
9719 (divsi3_i4_int): Likewise.
9721 2006-03-28 Roger Sayle <roger@eyesopen.com>
9723 * expr.c (emit_group_store): Only create a new pseudo reg if the
9724 quantity it needs to hold isn't already a suitable pseudo.
9726 2006-03-28 Jeff Law <law@redhat.com>
9728 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
9729 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
9731 2006-03-28 Roger Sayle <roger@eyesopen.com>
9733 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
9734 the equivalent ~X & Y, and the symmetry related transformations.
9735 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
9736 ~X & Y, and symmetry related transforms.
9738 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9740 Revert my 2006-03-27 patches.
9742 2006-03-28 Roger Sayle <roger@eyesopen.com>
9744 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
9745 ~(T1)X, when T1 and T2 are integer types of the same precision
9746 and (T2)X isn't an extension.
9748 2006-03-28 Jeff Law <law@redhat.com>
9750 PR tree-optimization/26796
9751 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
9752 need EH edge cleanups rather than purging them immediately.
9753 (eliminate_degenerate_phis): Handle queued EH cleanups.
9755 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
9757 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
9760 2006-03-27 Roger Sayle <roger@eyesopen.com>
9763 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
9764 cast BIT_NOT_EXPR operand to the correct type.
9766 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
9768 * tree-loop-linear.c: Don't include varray.h.
9769 (gather_interchange_stats, try_interchange_loops,
9770 linear_transform_loops): Use VEC instead of VARRAY.
9771 * lambda-mat.c: Don't include varray.h.
9772 * tree-chrec.c: Same.
9773 * lambda-trans.c: Same.
9774 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
9775 VEC instead of VARRAY.
9776 * tree-vectorizer.h: Idem.
9777 * tree-data-ref.c (dump_data_references,
9778 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
9779 initialize_data_dependence_relation, finalize_ddr_dependent,
9780 compute_all_dependences, find_data_references_in_loop,
9781 compute_data_dependences_for_loop, analyze_all_data_dependences,
9782 free_dependence_relation, free_dependence_relations,
9783 free_data_refs): Idem.
9784 * tree-data-ref.h (data_reference_p, subscript_p): New.
9785 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
9786 VEC instead of VARRAY.
9787 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
9788 (find_data_references_in_loop, compute_data_dependences_for_loop,
9789 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
9790 dump_data_dependence_relations, free_dependence_relations,
9791 free_data_refs): Adjust declaration.
9792 (lambda_transform_legal_p): Move declaration here...
9793 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
9794 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
9795 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
9796 vect_analyze_data_refs): Use VEC instead of VARRAY.
9797 * lambda.h (lambda_transform_legal_p): ...from here.
9798 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
9799 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
9800 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
9801 tree-chrec.o): Don't depend on VARRAY_H.
9803 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9805 * rtl.def (Copyright): Update date.
9806 (DEPS_LIST): Change type of the second operand to 'int'.
9807 * target.h (Copyright): Update date.
9808 (struct gcc_target.speculate_insn): Change type of the second parameter
9810 * lists.c (Copyright): Update date.
9811 (alloc_DEPS_LIST): Change signature. Update reference to the second
9812 operand of the DEPS_LIST.
9813 (copy_DEPS_LIST_list): Update reference to the second operand of the
9815 * rtl.h (Copyright): Update date.
9816 (alloc_DEPS_LIST): Update signature.
9817 * sched-int.h (Copyright): Update date.
9818 (ds_t): Change typedef to 'int'.
9819 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
9821 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9823 * haifa-sched.c (Copyright): Update date.
9824 (try_ready): Change condition to restore non-speculative pattern
9826 (process_insn_depend_be_in_spec): Code to keep probability of the
9827 speculative dependence non-decreasing.
9829 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
9831 * regrename.c (replace_oldest_value_addr): Initialize a variable to
9832 shut up the compiler.
9834 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
9836 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
9837 to use lib prefix for target.
9838 ($(T)libic_invalidate_array_4-200.a): Likewise.
9839 ($(T)libic_invalidate_array_4a.a): Likewise.
9841 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
9842 J"orn Rennecke <joern.rennecke@st.com>
9844 * superh.opt: New file.
9845 * sh.c (boardtype, osruntime): Remove.
9846 * superh.h (SUBTARGET_OPTIONS): Remove.
9847 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
9849 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
9850 arguments with ^ and/or [].
9852 * config.gcc (sh-*-*): Add quoting to account for quirk of
9854 Replace == with = in enable_incomplete_targets test.
9856 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
9857 with MASK_LITTLE_ENDIAN.
9859 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
9860 * config/sh/sh.opt: Added to some comments.
9861 * config/sh/superh.h: Removed some chaff.
9863 * config/sh/sh.opt: Add m4-[1234]00* options.
9864 * config/sh/sh.c (sh_handle_option): Likewise.
9865 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
9866 (ic_invalidate_array_4-100.o): New rule.
9867 ($(T)libic_invalidate_array_4-100.a): Likewise.
9868 (ic_invalidate_array_4-200.o): Likewise.
9869 ($(T)libic_invalidate_array_4-200.a): Likewise.
9870 (ic_invalidate_array_4a.o): Likewise.
9871 ($(T)libic_invalidate_array_4a.a): Likewise.
9872 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
9873 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
9875 * config/sh/crt1.asm: Merged in profiling code.
9876 * config/sh/superh.h (STARTFILE_SPEC): Override.
9877 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
9878 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
9879 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
9881 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
9882 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
9883 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
9885 * sh.opt (mpretend-cmove): New option.
9886 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
9887 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
9888 (movsicc): Add TARGET_PRETEND_CMOVE code.
9890 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
9892 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
9893 s390_class_max_nregs): New function prototypes.
9894 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
9895 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
9896 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
9897 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
9899 2006-03-26 Geoffrey Keating <geoffk@apple.com>
9901 * dwarf2out.c (add_location_or_const_value_attribute): Call
9902 tree_add_const_value_attribute if nothing else works.
9903 (reference_to_unused): New.
9904 (rtl_for_decl_init): Use reference_to_unused to decide whether
9905 to output an initializer.
9907 2006-03-27 Alan Modra <amodra@bigpond.net.au>
9910 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
9911 peephole removing spe frob_di_df_2.
9913 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
9915 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
9916 (subscript_dependence_tester_1): Declared.
9917 (print_dir_vectors, print_dist_vectors): New.
9918 (debug_data_dependence_relation): New.
9919 (dump_data_dependence_relation): Print more details.
9920 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
9921 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
9922 (save_dist_v, save_dir_v, add_outer_distances,
9923 build_classic_dist_vector_1): New.
9924 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
9925 Don't test for lambda_vector_lexico_pos.
9926 (same_access_functions, add_multivariate_self_dist,
9927 add_other_self_distances, dir_from_dist): New.
9928 (build_classic_dir_vector): Replace implementation almost identical to
9929 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
9931 (subscript_dependence_tester_1): New.
9932 (subscript_dependence_tester): Handle the lexicographically negative
9933 distance vectors by recomputing the dependence relation.
9934 (compute_affine_dependence): Remove parameter loop_nest_depth.
9935 (compute_self_dependence): Don't call compute_subscript_distance.
9936 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
9937 Add a parameter for the loop_nest.
9938 (find_loop_nest_1, find_loop_nest): New.
9939 (compute_data_dependences_for_loop): Compute the loop nest, and give
9940 up if the nest is not well formed.
9941 * tree-data-ref.h (loop_p): New.
9942 (struct data_dependence_relation): Replace size_vect field with
9943 loop_nest, a vec of loops.
9944 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
9945 (DDR_LOOP_NEST): New.
9946 (print_dir_vectors, print_dist_vectors,
9947 debug_data_dependence_relation): Declared.
9948 (index_in_loop_nest): New.
9949 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
9950 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
9953 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
9955 * simplify-rtx.c (simplify_relational_operation): Call
9956 simplify_relational_operation_1 even if mode is VOIDmode.
9958 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
9960 PR tree-optimization/26804
9961 * tree.h (DECL_CALL_CLOBBERED): New macro.
9962 (tree_decl_common): Add call_clobbered_flag.
9963 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
9964 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
9965 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
9966 (mark_non_addressable): Ditto.
9967 * tree-ssa.c (verify_call_clobbered): New function.
9968 (verify_alias_info): Use it.
9969 * tree-pass.h (pass_reset_cc_flags): New prototype.
9970 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
9971 (reset_cc_flags): New function.
9972 * passes.c (init_optimization_passes): Call reset_cc_flags after
9973 initializing referenced_vars.
9975 2006-03-25 Uros Bizjak <uros@kss-loka.si>
9976 Roger Sayle <roger@eyesopen.com>
9979 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
9980 to 1.0 for non-real operands. Implement A / A optimization for
9983 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
9985 * config/i386/i386.c (size_cost): Correct the comment for
9986 cost of storing fp registers.
9987 (i386_cost): Likewise.
9988 (i486_cost): Likewise.
9989 (pentium_cost): Likewise.
9990 (pentiumpro_cost): Likewise.
9991 (k6_cost): Likewise.
9992 (athlon_cost): Likewise.
9993 (k8_cost): Likewise.
9994 (pentium4_cost): Likewise.
9995 (nocona_cost): Likewise.
9996 (generic64_cost): Likewise.
9997 (generic32_cost): Likewise.
9999 2006-03-24 Denis Chertykov <denisc@overta.ru>
10001 * config/avr/avr-protos.h (extra_constraint): Delete.
10002 (extra_constraint_Q): New declaration.
10003 * config/avr/constraints.md: New file.
10004 * config/avr/avr.md: Include it.
10005 (REG_X, REG_Y, REG_Z, REG_W): New constants.
10006 (TMP_REGNO, ZERO_REGNO): Likewise.
10007 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
10008 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
10009 (extra_constraint): Delete.
10010 (extra_constraint_Q): Test for memory constraint 'Q'.
10011 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
10012 (REG_CLASS_FROM_LETTER): Delete.
10013 (CONST_OK_FOR_LETTER_P): Delete.
10014 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
10015 (EXTRA_CONSTRAINT): Delete.
10016 (TMP_REGNO): Delete.
10017 (ZERO_REGNO): Delete.
10019 2006-03-24 Jeff Law <law@redhat.com>
10021 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
10022 directly. Call mark_new_vars_to_rename slightly earlier.
10024 2006-03-24 Geoffrey Keating <geoffk@apple.com>
10026 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
10027 (is_cxx): Likewise.
10028 (gen_compile_unit_die): Use new language types for Objective-C and
10030 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
10031 DW_LANG_C_plus_plus.
10034 * config/t-darwin (crt3.o): Work around bug 26840.
10035 * config/darwin-crt3.c: Rewrite.
10036 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
10038 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
10040 * doc/invoke.texi: Document -femit-class-debug-always
10041 * common.opt: Add -femit-class-debug-always.
10043 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
10045 * config/s390/s390.c (s390_decompose_address): Allow SImode for
10046 index and base register.
10047 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
10048 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
10049 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
10050 REGNO_OK_FOR_INDEX_P.
10051 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
10053 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
10054 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
10055 REG_OK_FOR_BASE_P): Definitions removed.
10057 2006-03-24 Jakub Jelinek <jakub@redhat.com>
10059 PR middle-end/26611
10060 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
10061 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
10062 set yet or weren't marked as local yet.
10064 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
10066 * regrename.c (scan_rtx_address): Initialize a variable to shut up
10069 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
10071 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
10072 (rs6000_legitimate_small_data_p): Delete.
10073 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
10074 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
10075 and make static. Add forward declaration. Update uses.
10076 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
10077 of offsettable_memref_p.
10078 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
10079 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
10081 2006-03-24 Jeff Law <law@redhat.com>
10083 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
10084 around bug in immediate-use iterator.
10086 2006-03-24 Alan Modra <amodra@bigpond.net.au>
10089 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
10090 or __LITTLE_ENDIAN__.
10092 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
10094 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
10095 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
10096 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
10097 * config/sh/sh.opt (mdiv=): Amend description.
10098 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
10099 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
10100 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
10101 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
10102 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
10103 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
10104 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
10105 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
10106 TARGET_DIVIDE_CALL_FP.
10108 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10110 * haifa-sched.c (choose_ready): Fix type of the local variable.
10111 Move local variables. Add comment.
10112 (check_reg_live): Change signature. Make callable from debugger.
10113 * sched-int.h (check_reg_live): Update signature.
10114 * sched-ebb.c (check_reg_live): Update parameters.
10115 * sched-rgn.c (check_reg_live): Ditto.
10116 (region_head_or_leaf_p): Check pointer before dereferencing.
10117 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
10118 before reload on optimization levels below 1.
10120 2006-03-23 Richard Henderson <rth@redhat.com>
10122 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
10126 * config/alpha/predicates.md (local_symbolic_operand): Reject
10129 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
10132 * tree-ssa-pre.c (create_value_expr_from): Don't reject
10133 expressions which have overflowed constants.
10135 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
10137 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
10139 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
10141 * cfgloopmanip.c (create_loop_notes): Removed.
10142 * final.c (final_scan_insn): Do not handle loop notes.
10143 * jump.c (squeeze_notes): Ditto.
10144 * cfglayout.c (skip_insns_after_block,
10145 duplicate_insn_chain): Ditto.
10146 * cfgcleanup.c (rest_of_handle_jump2): Do not call
10148 * cfgloop.h (create_loop_notes): Declaration removed.
10150 2006-03-23 Richard Sandiford <richard@codesourcery.com>
10152 * varasm.c (output_constant_pool): Restore fnname and fndecl
10154 (assemble_start_function): Adjust call accordingly.
10155 (assemble_end_function): Likewise.
10157 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10160 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
10163 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
10165 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10168 * system.h (ICE_EXIT_CODE): New macro.
10169 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
10170 (diagnostic_action_after_output): Likewise.
10171 * gcc.c (fatal_ice): New function.
10172 (execute): Use it instead of fatal.
10173 (fancy_abort): Likewise.
10174 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
10176 2006-03-22 Jeff Law <law@redhat.com>
10178 * loop-unroll.c (analyze_iv_to_split_insn): Handle
10179 iv_analyze_result returning false.
10181 2006-03-22 Jie Zhang <jie.zhang@analog.com>
10183 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
10185 2006-03-22 Richard Henderson <rth@redhat.com>
10187 PR middle-end/26084
10188 * except.c (duplicate_eh_regions_0): New.
10189 (duplicate_eh_region_1): Duplicate the children of the node as
10190 well as the node itself. Link them up properly.
10191 (duplicate_eh_region_2): Merge into ...
10192 (duplicate_eh_regions): ... here. Take copy_region argument, and
10193 copy only a sub-tree if asked. Simplify copying and fixup.
10194 (eh_region_outer_p): New.
10195 * except.h (duplicate_eh_regions): Update decl.
10196 (eh_region_outer_p): Declare.
10197 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
10198 (lower_omp_master): Likewise.
10199 (lower_omp_ordered): Likewise.
10200 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
10201 (move_stmt_r): Use it to remap labels. Handle recursion vs
10202 remap_decls_p properly.
10203 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
10204 (find_outermost_region_in_block): New.
10205 (new_label_mapper): New.
10206 (move_sese_region_to_fn): Copy eh information to the new function
10208 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
10210 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
10213 2006-03-22 Richard Sandiford <richard@codesourcery.com>
10215 * doc/md.texi (-mshared): Mention that -mshared code can be linked
10216 into shared libraries.
10218 2006-03-22 Richard Sandiford <richard@codesourcery.com>
10220 * doc/md.texi: Refer to i386/constraints.md instead of
10221 i386/predicates.md.
10222 * config/i386/constraints.md: New file, extracted from...
10223 * config/i386/predicates.md: ...here.
10224 * config/i386/i386.md: Include constraints.md.
10226 2006-03-21 Jason Merrill <jason@redhat.com>
10228 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
10230 PR middle-end/20297
10231 * expr.c (init_block_move_fn): Force default visibility.
10232 (init_block_clear_fn): Likewise.
10233 * builtins.c (expand_builtin_fork_or_exec): Likewise.
10234 * targhooks.c (default_external_stack_protect_fail): Likewise.
10236 2006-03-21 Richard Sandiford <richard@codesourcery.com>
10238 * config/mips/predicates.md (const_call_insn_operand): Allow direct
10239 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
10240 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
10241 Use TARGET_OLDABI instead of !TARGET_NEWABI.
10242 (loadgp): Use mips_current_loadgp_style.
10243 (loadgp_noshared): New pattern.
10244 (sibcall_internal): Use MIPS_CALL.
10245 (sibcall_value_internal): Likewise.
10246 (sibcall_value_multiple_internal): Likewise.
10247 (call_internal): Likewise.
10248 (call_value_internal): Likewise.
10249 (call_value_multiple_internal): Likewise.
10250 (call_split): Use MIPS_CALL and add an 'S' constraint.
10251 (call_value_split): Likewise.
10252 (call_value_multiple_split): Likewise.
10253 * config/mips/mips.opt (-mabicalls): Tweak docstring.
10254 (-mshared): New option.
10255 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
10256 (mips_current_loadgp_style): Declare.
10257 * config/mips/mips.c (mips_classify_symbol): Avoid using
10258 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
10259 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
10260 TARGET_ABSOLUTE_ABICALLS.
10261 (override_options): Adjust comments. Improve the warning that is
10262 issued when -mabicalls and -G are used together.
10263 (mips_file_start): Remove comment.
10264 (mips_current_loadgp_style): New function.
10265 (mips_gnu_local_gp): New variable.
10266 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
10268 (mips_output_function_prologue): Use mips_current_laodgp_style.
10269 (mips_expand_prologue): Call mips_emit_loadgp before emitting
10270 the cprestore instruction.
10271 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
10272 live for TARGET_ABSOLUTE_ABICALLS.
10273 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
10274 (ASM_SPEC): Pass down -mshared and -mno-shared.
10275 (MIPS_CALL): New macro.
10276 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
10278 * doc/invoke.texi (-mabicalls): Update documentation.
10279 (-mshared): Document.
10281 2006-03-21 Steve Ellcey <sje@cup.hp.com>
10283 * config/ia64/unwind-hpux.c: New file.
10284 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
10286 2006-03-21 Steve Ellcey <sje@cup.hp.com>
10289 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
10291 2006-03-21 Jeff Law <law@redhat.com>
10293 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
10294 type conversions of a VR_VARYING source to a wider type.
10296 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
10298 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
10299 tm_file on Solaris 10 and later.
10300 (sparc64-*-solaris2*): Likewise.
10301 (sparc-*-solaris2*): Likewise.
10302 * config/sol26.h: Rename to config/sol2-6.h.
10303 * config/sol2-10.h: New file.
10305 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
10308 * tree-ssa-pre.c (create_component_ref_by_pieces):
10311 2006-03-21 Jakub Jelinek <jakub@redhat.com>
10314 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
10315 return it immediately.
10317 2006-03-21 Michael Matz <matz@suse.de>
10319 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
10321 (remove_arc, add_arc): Update num_out_arcs member.
10322 (set_out_arc_insns_equiv_num): Returns nothing instead of number
10324 (cache_presence): New function.
10325 (compare_states_for_equiv): New function.
10326 (state_is_differed): Don't take number of outargs, adjust callers.
10327 Use new invariant for speeding up.
10328 (init_equiv_class): Create initial classes based on sorted
10330 (partition_equiv_class): Don't track out_arcs_num.
10331 (evaluate_equiv_classes): Call cache_presence on all states and
10334 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
10336 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
10337 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
10338 (bfin_valid_reg_p): Test for pseudos explicitly and use only
10339 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
10341 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
10342 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
10343 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
10344 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
10345 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
10347 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
10348 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
10349 (REGNO_REG_CLASS): ARGP is in PREGS.
10350 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
10352 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
10353 to deal with those addresses.
10354 * addresses.h: New file.
10355 * caller-save.c: Include "addresses.h".
10356 (init_caller_save): Use new base_reg_class function.
10357 * rtl-factoring.c: Include "addresses.h".
10358 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
10359 * recog.c: Include "addresses.h".
10360 (preprocess_constraints): Use new base_reg_class function.
10361 * regrename.c: Include "addresses.h".
10362 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
10363 functions. Keep track of a new var INDEX_CODE to compute valid
10365 (replace_oldest_value_addr): Likewise.
10366 (replace_oldest_value_mem): Use base_reg_class.
10367 * reload.c: Include "addresses.h".
10368 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
10369 (find_reloads): Use new base_reg_class function.
10370 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
10371 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
10372 all callers and prototype changed.
10373 * reload1.c: Include "addresses.h".
10374 (maybe_fix_stack_asms): Use base_reg_class.
10375 * regclass.c: Include "addresses.h".
10376 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
10377 (init_reg_autoinc): Use new base_reg_class function.
10378 (record_reg_classes): Likewise.
10379 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
10380 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
10381 Use new args to compute necessary class.
10383 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
10384 regrename.o, rtl-factoring.o): Update dependencies.
10385 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
10386 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
10387 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
10388 REG_OK_FOR_INDEX_P): Delete documentation.
10390 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
10392 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
10393 from V7 to V9 for Solaris 7 and above.
10395 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
10397 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
10398 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
10399 argument pointers may not alias any other storage.
10400 * common.opt: Define option -fargument-noalias-anything.
10401 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
10402 alias semantics is specified by flag_argument_noalias > 2.
10404 2006-03-20 Jeff Law <law@redhat.com>
10406 * tree-pass.h (pass_phi_only_copy_prop): Delete.
10407 (pass_phi_only_cprop): Declare.
10408 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
10409 with phi_only_cprop
10410 * tree-ssa-dom.c (degenerate_phi_result): New function.
10411 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
10412 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
10413 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
10414 (eliminate_degenerate_phis): Likewise.
10415 (pass_phi_only_cprop): New pass descriptor.
10416 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
10417 support code. Callers updated.
10418 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
10419 (store_copy_prop): Likewise.
10420 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
10422 2006-03-20 Jason Merrill <jason@redhat.com>
10425 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
10426 (push_visibility, pop_visibility): Likewise.
10427 * c-pragma.h: Declare them.
10429 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
10431 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
10433 * config/sh/sh.c (find_regmode_weight): Change the type of the first
10434 parameter and use get_ebb_head_tail.
10435 (sh_md_init_global): Adjust uses of find_regmode_weight.
10437 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
10439 * function.h (struct function) <x_tail_recursion_reentry>:
10440 Rename to x_stack_check_probe_note.
10441 (tail_recursion_reentry): Rename to stack_check_probe_note.
10442 * function.c: Replace tail_recursion_reentry with
10443 stack_check_probe_note everywhere.
10444 (expand_function_start): Only emit a note for
10445 stack_check_probe_note with -fstack-protect.
10446 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
10448 * emit-rtl.c (remove_unnecessary_notes): Remove.
10449 (pass_remove_unnecessary_notes): Remove.
10450 * rtl.h (remove_unnecessary_notes): Remove prototype.
10451 * final.c (final_start_function): Don't call remove_unnecessary_notes.
10452 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
10453 * passes.c (pass_remove_unnecessary_notes): Don't run it.
10455 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
10458 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
10459 (valid_in_set): Handle ARRAY_REF.
10460 Change "if min_variant or VH" to asserts.
10461 (create_component_ref_by_pieces): Handle ARRAY_REF.
10462 (create_expression_by_pieces): Likewise.
10463 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
10465 2006-03-20 David Edelsohn <edelsohn@gnu.org>
10467 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
10468 is operand of switch, not str[0].
10470 2006-03-20 Alan Modra <amodra@bigpond.net.au>
10472 * config/rs6000/rs6000.c (rs6000_handle_option): Use
10473 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
10475 2006-03-19 David Edelsohn <edelsohn@gnu.org>
10477 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
10478 end of insn_extra_address_constraint declaration.
10480 2006-03-19 David Edelsohn <edelsohn@gnu.org>
10482 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
10483 (no-sum-in-toc): Same.
10484 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
10486 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
10487 NO_FP_IN_TOC for -fPIC instead of mask.
10489 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
10490 (BOOT_LDFLAGS): Delete.
10492 * config/rs6000/t-aix52: Same.
10494 * config/rs6000/rs6000.md (store_multiple_power): Delete.
10495 (stmsi[345678]_power): New.
10497 2006-03-17 Steve Ellcey <sje@cup.hp.com>
10499 * config/ia64/ia64.opt: Add empty line to end of file.
10501 2006-03-17 Richard Guenther <rguenther@suse.de>
10503 PR middle-end/26721
10504 * builtins.c (get_pointer_alignment): For component style references
10505 adjust alignment to the component type alignment. Make sure
10506 to adjust alignment for component access of constants.
10508 2006-03-17 David Edelsohn <edelsohn@gnu.org>
10510 * config/rs6000/rs6000.md (strlensi): Emit barrier after
10511 unconditional jump.
10513 2006-03-17 Paul Brook <paul@codesourcery.com>
10515 * doc/install.texi: Docuemnt --with-mode.
10516 * config.gcc: Add --with-mode for arm*-*-*.
10517 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
10519 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
10521 * sh.c (max_labelno_before_reorg): New variable.
10522 (sh_reorg): Initialize it.
10523 (find_barrier): Check max_labelno_before_reorg before using
10524 label_to_alignment. Take length of explicit alignment insns
10525 into account. When seeing a UNSPECV_CONST_END, return it.
10527 * sh.c (fixup_mova): Set mode of affected label to QImode.
10528 (untangle_mova): New function.
10529 (find_barrier): Use it. Check mode of label before decrementing
10531 (sh_reorg): Likewise.
10532 Set mode of all insns back to VOIDmode.
10534 * sh.c (MOVA_LABELREF): New macro.
10535 (mova_p, fixup_mova, sh_reorg): Use it.
10536 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
10537 ADDR_DIFF_VEC matches mova.
10539 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
10541 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
10542 with ATTRIBUTE_UNUSED.
10544 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
10546 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
10547 pointer, instead of assuming it is possible to derive the
10548 correct args size from a call insn.
10550 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
10552 * rtl.h (CONST_INT_P): Define.
10553 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
10554 instead of GET_CODE(x) == CONST_INT.
10555 (vax_rtx_costs): Likewise.
10556 (vax_output_int_move): Likewise.
10557 (vax_output_int_add): Likewise.
10558 (legitimate_constant_address_p): Likewise.
10559 (index_term_p): Likewise.
10560 * config/vax/vax.h (PRINT_OPERAND): Likewise.
10561 * config/vax/vax.md (and<mode>3): Likewise.
10562 (ashrsi3): Likewise.
10564 (movstricthi): Likewise.
10565 (movstrictqi): Likewise.
10566 (rotrsi3): Likewise.
10567 (five unnamed insns): Likewise.
10569 2006-03-16 Geoffrey Keating <geoffk@apple.com>
10571 * doc/tm.texi (SDB and DWARF): Add extra parameter to
10572 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
10573 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
10574 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
10575 Pass to ASM_OUTPUT_DWARF_OFFSET.
10576 * dwarf2out.c (debug_frame_section): New.
10577 (output_call_frame_info): Use debug_frame_section. Pass it to
10578 dw2_asm_output_offset.
10579 (output_die): Pass appropriate section to dw2_asm_output_offset.
10580 (output_compilation_unit_header): Likewise.
10581 (output_pubnames): Likewise.
10582 (output_aranges): Likewise.
10583 (enum dw_val_class): Break dw_val_class_lbl_offset into
10584 dw_val_class_lineptr and dw_val_class_macptr.
10585 (add_AT_lbl_offset): Delete.
10586 (add_AT_lineptr): New.
10587 (add_AT_macptr): New.
10588 (AT_lbl): Expect a lineptr or macptr.
10589 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
10590 (attr_checksum): Likewise.
10591 (same_dw_val_p): Likewise.
10592 (size_of_die): Likewise.
10593 (value_format): Likewise.
10594 (output_die): Likewise.
10595 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
10597 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
10598 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
10599 * config/darwin-protos.h (darwin_file_start): New.
10600 (darwin_asm_output_dwarf_offset): New.
10601 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
10602 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
10604 * config/darwin.c (darwin_emit_unwind_label): Don't output label
10605 if not EH section; simplify.
10606 (darwin_file_start): New.
10607 (darwin_asm_output_dwarf_offset): New.
10608 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
10610 (DEBUG_INFO_SECTION): Likewise.
10611 (DEBUG_ABBREV_SECTION): Likewise.
10612 (DEBUG_ARANGES_SECTION): Likewise.
10613 (DEBUG_MACINFO_SECTION): Likewise.
10614 (DEBUG_LINE_SECTION): Likewise.
10615 (DEBUG_LOC_SECTION): Likewise.
10616 (DEBUG_PUBNAMES_SECTION): Likewise.
10617 (DEBUG_STR_SECTION): Likewise.
10618 (DEBUG_RANGES_SECTION): Likewise.
10619 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
10620 (ASM_OUTPUT_DWARF_OFFSET): New.
10622 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
10624 * config.gcc (tm_defines): Always add to previous value rather
10627 2006-03-16 Richard Sandiford <richard@codesourcery.com>
10629 * config/mips/predicates.md (splittable_const_int_operand): New,
10630 split from move_operand.
10631 (splittable_symbolic_operand): New.
10632 (move_operand): Add commentary. Use splittable_const_int_operand.
10633 Inline mips_atomic_symbolic_constant_p.
10634 * config/mips/mips.md: Add combine splitters for handling moves
10635 of splittable_const_int_operands and splittable_symbolic_operands.
10636 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
10637 (mips_split_symbol): Declare.
10638 (mips_move_integer): Declare.
10639 * config/mips/mips.c (mips_split_p): Make global.
10640 (TARGET_MIN_ANCHOR_OFFSET): Override default.
10641 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
10642 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
10643 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
10644 (mips_offset_within_object_p): Handle block symbols.
10645 (mips_atomic_symbolic_constant_p): Delete.
10646 (mips_cannot_force_const_mem): Return false for constants that
10647 mips_legitimize_move can handle.
10648 (mips_use_blocks_for_constant_p): New function.
10649 (mips_split_symbol): Make global.
10650 (mips_move_integer): Likewise. Add a temporary register argument.
10651 (mips_legitimize_const_move): Use splittable_const_int_operand and
10652 splittable_symbolic_operand.
10653 (mips_use_anchors_for_symbol_p): New function.
10654 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
10655 (mips_split_p): Declare.
10657 2006-03-16 Richard Sandiford <richard@codesourcery.com>
10659 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
10660 (mips*-*-linux*): Likewise.
10662 2006-03-16 Roger Sayle <roger@eyesopen.com>
10663 Daniel Speyer <dspeyer@wam.umd.edu>
10665 PR middle-end/18259
10666 * tree-dump.c (dump_real): New function.
10667 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
10668 * Makefile.in (REAL_H): New macro for dependencies on real.h.
10669 (tree-dump.o): Add $(REAL_H) to the dependencies.
10671 2006-03-16 Roger Sayle <roger@eyesopen.com>
10673 PR middle-end/21781
10674 * real.c (real_from_string): If the mantissa is zero, don't bother
10675 parsing the exponent as the result should always be zero.
10677 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
10679 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
10681 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10683 * config/ia64/ia64.c (stops_p): Added explicit initialization.
10684 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
10685 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
10686 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
10687 ia64_sched_finish_global): New static functions to implement
10688 hooks from gcc_target.sched.
10689 (spec_check_no, max_uid, pending_data_specs): New static variables.
10690 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
10691 ia64_spec_check_src_p): New static functions.
10692 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
10693 (TARGET_SCHED_ADJUST_COST): Removed.
10694 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
10695 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
10696 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
10697 TARGET_SCHED_GEN_CHECK,
10698 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
10699 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
10700 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
10701 Fixed to handle speculation checks.
10702 (rtx_needs_barrier): Fixed to handle speculative loads and
10704 (ia64_variable_issue): Added code to count speculative loads and their
10706 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
10708 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
10710 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
10712 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
10713 (ia64_reorg): Reset stops_p to NULL after it is freed.
10714 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
10715 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
10716 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
10718 (data_speculative, control_speculative, check_load): New attributes.
10719 (mov<mode>_advanced, mov<mode>_speculative,
10720 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
10721 zero_extend<mode>di2_speculative,
10722 zero_extend<mode>di2_speculative_advanced): New patterns for
10723 data and control speculative loads.
10724 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
10726 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
10727 New pattern for data and control speculation checks.
10728 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
10729 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
10730 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
10731 Auxiliary definitions for the patterns.
10732 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
10733 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
10735 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
10737 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
10738 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
10739 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
10740 New resource constraints.
10741 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
10743 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
10744 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
10745 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
10746 msched-in-control-spec, msched-ldc, msched-control-ldc,
10747 msched-spec-verbose, msched-prefer-non-data-spec-insns,
10748 msched-prefer-non-control-spec-insns,
10749 msched-count-spec-in-critical-path): New flags to tune speculative
10751 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
10752 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
10753 msched-in-control-spec, msched-ldc, msched-control-ldc,
10754 msched-spec-verbose, msched-prefer-non-data-spec-insns,
10755 msched-prefer-non-control-spec-insns,
10756 msched-count-spec-in-critical-path): Document new flags.
10758 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10760 * target.h (struct spec_info_def): New opaque declaration.
10761 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
10762 speculate_insn, needs_block_p, gen_check,
10763 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
10764 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
10765 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
10766 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
10767 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
10768 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
10770 (TARGET_SCHED): Use new macros.
10771 * rtl.h (copy_DEPS_LIST_list): New prototype.
10772 * sched-int.h (struct sched_info): Change signature of new_ready field,
10773 adjust all initializations. New fields: add_remove_insn,
10774 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
10775 region_head_or_leaf_p.
10776 (struct spec_info_def): New structure declaration.
10777 (spec_info_t): New typedef.
10778 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
10779 recovery_block, orig_pat.
10780 (glat_start, glat_end): New variables declaraions.
10781 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
10783 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
10784 DETACH_LIFE_INFO, USE_GLAT.
10785 (enum SPEC_SCHED_FLAGS): New enumeration.
10786 (NOTE_NOTE_BB_P): New macro.
10787 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
10788 attach_life_info, debug_spec_status, check_reg_live): New functions.
10789 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
10790 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
10792 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
10793 * ddg.c (get_block_head_tail): Adjust all uses.
10794 * modulo-sched.c (get_block_head_tail): Adjust all uses.
10795 (sms_sched_info): Initialize new fields.
10796 (contributes_to_priority): Removed.
10797 * haifa-sched.c (params.h): New include.
10798 (get_block_head_tail): Adjust all uses.
10799 (ISSUE_POINTS): New macro.
10800 (glat_start, glat_end): New global variables.
10801 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
10802 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
10803 old_last_basic_block, before_recovery, current_sched_info_var,
10804 rgn_n_insns, luid): New static variables.
10805 (insn_cost1): New function. Move logic from insn_cost to here.
10806 (find_insn_reg_weight1): New function. Move logic from
10807 find_insn_reg_weight to here.
10808 (reemit_notes, move_insn, max_issue): Change signature.
10809 (move_insn1): Removed.
10810 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
10811 extend_bb): New static functions to support extension of scheduler's
10813 (generate_recovery_code, process_insn_depend_be_in_spec,
10814 begin_speculative_block, add_to_speculative_block,
10815 init_before_recovery, create_recovery_block, create_check_block_twin,
10816 fix_recovery_deps): New static functions to support
10817 generation of recovery code.
10818 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
10819 restore_bb_notes, move_block_after_check, move_succs): New static
10820 functions to support ebb scheduling.
10821 (init_glat, init_glat1, attach_life_info1, free_glat): New static
10822 functions to support handling of register live information.
10823 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
10824 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
10825 add_jump_dependencies): New static functions.
10826 (check_cfg, has_edge_p, check_sched_flags): New static functions for
10827 consistancy checking.
10828 (debug_spec_status): New function to call from debugger.
10829 (priority): Added code to handle speculation checks.
10830 (rank_for_schedule): Added code to distinguish speculative instructions.
10831 (schedule_insn): Added code to handle speculation checks.
10832 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
10833 Fixed to handle ebbs.
10834 (move_insn): Added code to handle ebb scheduling.
10835 (max_issue): Added code to use ISSUE_POINTS of instructions.
10836 (choose_ready): Added code to choose between speculative and
10837 non-speculative instructions.
10838 (schedule_block): Added code to handle ebb scheduling and scheduling of
10839 speculative instructions.
10840 (sched_init): Initialize new variables.
10841 (sched_finish): Free new variables. Print statistics.
10842 (try_ready): Added code to handle speculative instructions.
10843 * lists.c (copy_DEPS_LIST_list): New function.
10844 * sched-deps.c (extend_dependency_caches): New function. Move logic
10845 from create_dependency_caches to here.
10846 (get_dep_weak, ds_merge): Make global.
10847 * genattr.c (main): Code to output prototype for
10848 dfa_clear_single_insn_cache.
10849 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
10850 (output_dfa_clean_insn_cache_func): Code to output
10851 dfa_clear_single_insn_cache function.
10852 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
10854 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
10856 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
10857 New static variables.
10858 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
10859 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
10861 (ebb_sched_info): Initialize new fields.
10862 (get_block_head_tail): Adjust all uses.
10863 (compute_jump_reg_dependencies): Fixed to use glat_start.
10864 (schedule_ebb): Code to remove unreachable last block.
10865 (schedule_ebbs): Added code to update register live information.
10866 * sched-rgn.c (region_sched_info): Initialize new fields.
10867 (get_block_head_tail): Adjust all uses.
10868 (last_was_jump): Removed. Adjust users.
10869 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
10870 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
10871 Implement new hooks.
10872 (check_dead_notes1): New static function.
10873 (struct region): New fields: dont_calc_deps, has_real_ebb.
10874 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
10875 (BB_TO_BLOCK): Fixed to handle EBBs.
10876 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
10877 (ebb_head): New static variable.
10878 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
10879 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
10881 (compute_dom_prob_ps): New assertion.
10882 (check_live_1, update_live_1): Fixed to work with glat_start instead of
10883 global_live_at_start.
10884 (init_ready_list): New assertions.
10885 (can_schedule_ready_p): Split update code to begin_schedule_ready.
10886 (new_ready): Add support for BEGIN_CONTROL speculation.
10887 (schedule_insns): Fixed code that updates register live information
10889 (schedule_region): Fixed to handle EBBs.
10890 (init_regions): Use extend_regions and check_dead_notes1.
10891 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
10892 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
10893 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
10894 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
10895 TARGET_SCHED_GEN_CHECK,
10896 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
10897 TARGET_SCHED_SET_SCHED_FLAGS): Document.
10898 * doc/invoke.texi (max-sched-insn-conflict-delay,
10899 sched-spec-prob-cutoff): Document.
10901 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10903 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
10904 inter_tick, queue_index.
10905 (struct sched_info): Change signature of init_ready_list field.
10906 Adjust all initializations.
10907 (RESOLVED_DEPS): New access macro.
10908 (ready_add): Remove prototype.
10909 (try_ready): Add prototype.
10910 * sched-rgn.c (init_ready_list): Use try_ready.
10911 (schedule_region): Initialize
10912 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
10913 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
10914 (init_ready_list): Use try_ready.
10915 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
10916 * lists.c (remove_list_elem): Remove `static'.
10917 (remove_free_INSN_LIST_elem): New function.
10918 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
10919 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
10920 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
10922 (readyp): New variable.
10923 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
10924 change_queue_index, resolve_dep): New static functions.
10925 (try_ready): New function. Adjust callers in sched-rgn.c and
10926 sched-ebb.c to use it instead of ready_add.
10927 (clock_var): Move at the begining of file.
10928 (rank_for_schedule): Fix typo.
10929 (queue_insn): Add assertion. Handle QUEUE_INDEX.
10930 (ready_lastpos): Enforce assertion.
10931 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
10932 update all callers.
10933 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
10934 (schedule_insn): Rewrite to use try_ready and resolve_dep.
10935 (queue_to_ready): Use free_INSN_LIST_list.
10936 (early_queue_to_ready): Fix typo.
10937 (schedule_block): Init readyp. Move init_ready_list call after the
10938 initialization of clock_var. Fix error in rejecting insn by
10939 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
10940 that previously corrected INSN_TICKs. Add code for handling
10942 (set_priorities): Fix typo.
10943 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
10944 Clarify comment and code that keeps current_sched_info->next_tail
10947 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10949 * sched-rgn.c (extend_rgns): New static function.
10950 (find_rgns): Use it.
10951 (gather_region_statistics, print_region_statistics): New static
10953 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
10954 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
10956 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10957 Andrey Belevantsev <abel@ispras.ru>
10959 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
10960 * lists.c (unused_deps_list): New variable.
10961 (free_list): Add assertions to verify the proper distinguishing
10962 between INSN_LISTs and DEPS_LISTs.
10963 (find_list_elem, remove_list_elem, remove_list_node): New static
10965 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
10966 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
10967 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
10968 (alloc_INSN_LIST): Assert that the list we're working on is indeed
10970 (free_INSN_LIST_node): Likewise.
10971 * modulo-sched.c (current_sched_info): Initialize flags field.
10972 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
10973 * rtl.def (DEPS_LIST): Define.
10974 * rtl.h: Declare new functions from lists.c.
10975 * sched-deps.c (spec_dependency_cache): New static variable.
10976 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
10977 (add_dependence): Change return type to void. Move the logic to ...
10978 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
10979 (delete_all_dependences): Add comment about forward_dependency_cache.
10980 Handle spec_dependency_cache. Handle DEPS_LISTs.
10981 (fixup_sched_groups): Clarify the change of priority of output
10982 and anti dependencies.
10983 (sched_analyze_2): Adjust add_dependence calls to create data
10984 speculative dependence.
10985 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
10986 Adjust all callers. Handle DEPS_LISTS.
10987 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
10988 presence of speculation.
10989 (init_dependency_caches, free_dependency_caches):
10990 Handle spec_dependency_cache.
10991 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
10992 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
10993 New static functions.
10994 (add_or_update_back_dep, add_or_update_back_forw_dep,
10995 add_back_forw_dep, delete_back_forw_dep): New functions.
10996 * sched-int.h (ds_t, dw_t): New typedefs.
10997 (struct sched_info): Add new field flags.
10998 (struct haifa_insn_data): Add new bitfield has_internal_dep.
10999 Prototype new sched-deps.c functions.
11000 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
11001 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
11002 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
11003 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
11004 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
11005 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
11007 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
11009 * sched-rgn.c (current_sched_info): Initialize flags field.
11010 (schedule_insns): Initialize current_sched_info before the sched_init
11012 * sched-ebb.c (current_sched_info): Initialize flags field.
11013 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
11014 Call add_or_update_back_dep instead of add_dependence.
11015 Create control speculative dependencies.
11016 (schedule_insns): Initialize current_sched_info before the sched_init
11019 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
11021 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
11023 (sh_fallback_frame_state): Likewise.
11025 2006-03-15 Geoffrey Keating <geoffk@apple.com>
11027 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
11028 Do switch on default_use_cxa_atexit.
11029 (powerpc*-*-darwin*): Build crt2.o on powerpc.
11030 * config/darwin-crt3.o: New.
11031 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
11032 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
11033 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
11035 * config/rs6000/t-darwin: Move crt2.o building to here.
11036 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
11037 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
11040 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
11042 * config/vax/vax.c (nonindexed_address_p): Change logical negation
11043 from '! xxx' to '!xxx' for coding-style conformance.
11044 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
11045 (EXTRA_CONSTRAINT): Likewise.
11046 * config/vax/vax.md (four unnamed insns): Likewise.
11048 2006-03-15 Paul Brook <paul@codesourcery.com>
11050 * config/arm/arm.c (minipool_pad): New.
11051 (add_minipool_forward_ref): Include pool alignment padding in address
11053 (push_minipool_fix): Set minipool_pad.
11054 (minipool_pad): Ditto.
11056 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
11058 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
11059 instead of GET_CODE() == MEM and REG_P() instead of
11061 (print_operand_address): Likewise.
11062 (vax_address_cost): Likewise.
11063 (vax_rtx_costs): Likewise.
11064 (vax_notice_update_cc): Likewise.
11065 (vax_output_int_add): Likewise.
11066 (INDEX_REGISTER_P): Likewise.
11067 (BASE_REGISTER_P): Likewise.
11068 (nonindexed_address_p): Likewise.
11069 (vax_mode_dependent_address_p): Likewise.
11070 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
11071 (PRINT_OPERAND): Likewise.
11072 * config/vax/vax.md (ashlsi3): Likewise.
11073 (ashlsi3): Likewise.
11074 (some more unnamed insns): Likewise.
11076 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
11078 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
11079 iterator-style macro.
11080 (mark_control_dependent_edges_necessary): Update the use of
11081 EXECUTE_IF_CONTROL_DEPENDENT.
11083 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
11085 * config/sh/predicates.md (cache_address_operand): Special.
11086 (ua_address_operand): Likewise.
11088 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
11090 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
11092 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
11094 2006-03-15 Andreas Schwab <schwab@suse.de>
11096 * gensupport.c (identify_predicable_attribute): Don't free p_false
11097 when it is still in use.
11099 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
11101 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
11102 the default setting here.
11104 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
11106 * tree-pass.h (pass_cfg): Remove.
11107 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
11108 * passes.c (pass_cfg): Don't run it.
11110 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
11112 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
11113 * reg-stack.c (stack_regs_mentioned_data): Change the type to
11115 (stack_regs_mentioned): Update the uses of
11116 stack_regs_mentioned_data. Don't access the array beyond its
11118 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
11119 Don't include gt-reg-stack.h.
11121 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
11122 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
11124 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
11126 PR middle-end/26684
11127 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
11130 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11132 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
11134 2006-03-14 Richard Guenther <rguenther@suse.de>
11136 PR tree-optimization/26672
11137 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
11140 2006-03-14 Richard Guenther <rguenther@suse.de>
11142 PR tree-optimization/26667
11143 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
11144 node for the callees. Always allow inlining if it will shrink
11147 2006-03-14 Richard Guenther <rguenther@suse.de>
11149 PR middle-end/26659
11150 * builtins.c (get_pointer_alignment): Prefer alignment
11151 information from decls over that from types.
11153 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
11156 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
11158 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
11160 * config/rs6000/rs6000.opt (mdlmzb): New option.
11161 (msched-prolog, msched-epilog): Use Var not Mask.
11162 * doc/invoke.texi (-mdlmzb): Document.
11163 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
11165 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
11166 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
11168 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
11170 PR rtl-optimization/25739
11171 * bt-load.c (augment_live_range): Free tos pointer.
11173 * gensupport.c (identify_predicable_attribute): Free
11175 * gcov.c (create_file_names): Free name pointer.
11177 2006-03-13 Roger Sayle <roger@eyesopen.com>
11179 PR middle-end/26557
11180 * stmt.c (emit_case_nodes): Handle the case where the index is a
11181 CONST_INT, where the comparison mode is specified by the index type.
11183 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11185 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
11188 2006-03-13 Richard Sandiford <richard@codesourcery.com>
11190 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
11191 (*branch_fp_inverted): Likewise.
11193 2006-03-13 Jakub Jelinek <jakub@redhat.com>
11195 PR middle-end/25989
11196 * omp-low.c (expand_omp_for_generic): Mark istart0
11197 and iend0 as addressable.
11199 2006-03-13 Jie Zhang <jie.zhang@analog.com>
11201 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
11203 2006-03-13 Jeff Law <law@redhat.com>
11205 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
11206 virtual operands are interesting.
11207 (vrp_visit_stmt): Corresponding changes.
11209 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
11211 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
11213 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
11214 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
11215 * config/bfin/crti.S: Use it instead of __PIC__.
11216 * config/bfin/crtn.S: Likewise.
11218 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
11219 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
11221 Lose 'G' modifier for call operand.
11222 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
11223 recognize 'G' modifier.
11225 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
11227 PR middle-end/18859
11228 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
11229 * stmt.c (expand_case): Likewise.
11231 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
11233 PR rtl-optimization/26254
11234 * loop-invariant.c (seq_insns_valid_p): New function.
11235 (move_invariant_reg): Only emit new code if it is valid.
11237 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
11239 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
11241 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
11242 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
11243 (commit_one_edge_insertion): Do not look for loop notes.
11245 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
11247 * jump.c (follow_jumps): Do not check for loop notes. Move check for
11248 flag_test_coverage out of loop.
11250 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
11252 * final.c (shorten_branches): Remove outdated comment, and turn
11253 the if branch that guards it to continue.
11255 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
11257 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
11258 * cfgloop.h (struct loop): Remove unused fields.
11260 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
11262 * doc/invoke.texi (-fdump-rtl-loop): Remove.
11263 (-dL, -fdump-rtl-loop2): Update the dump file names
11265 * doc/invoke.texi: Update dump file names.
11267 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
11269 * predict.c (estimate_probability): Remove.
11270 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
11271 * basic-block.h (estimate_probability): Remove prototype.
11272 * passes.c (finish_optimization_passes): Dump branch prediction or
11273 profiling heuristics to the .profile tree dump.
11274 (init_optimization_passes): Unqueue pass_branch_prob.
11276 * doc/invoke.texi (-fdump-rtl-bp): Remove.
11278 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
11280 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
11281 * rtl.h (LABEL_NEXTREF): Remove field accessor.
11283 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
11285 * function.h (frame_offset_overflow): Declare.
11286 * function.c (frame_offset_overflow): New function.
11287 (assign_stack_local_1): Call it to detect that the offset overflows.
11288 * cfgexpand.c (alloc_stack_frame_space): Likewise.
11290 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
11292 * config/sh/sh.c: Include alloc-pool.h.
11293 (label_ref_list_pool): New alloc pool.
11294 (label_ref_list_t): New type for lists of labels.
11295 (struct pool_node): Make wend a label_ref_list_t.
11296 (add_constant): Use the new type, eradicate LABEL_NEXTREF
11298 (dump_table): Likewise.
11299 (sh_reorg): Set up the alloc pool before using add_constant and
11300 dump_table, and destroy it when finishing.
11302 2006-03-11 Richard Sandiford <richard@codesourcery.com>
11304 * config/mips/mips.c: Remove redundant comment.
11306 2006-03-10 Jason Merrill <jason@redhat.com>
11309 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
11310 the target was declared 'register'.
11312 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
11314 * genpreds.c (write_insn_constraint_len): Change definition of
11315 insn_constraint_len to return size_t to match the declaration.
11317 2006-03-10 DJ Delorie <dj@redhat.com>
11319 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
11321 (m32c_expand_insv): Fix test for an AND mask.
11323 2006-03-10 Richard Guenther <rguenther@suse.de>
11325 PR middle-end/26565
11326 * builtins.c (get_pointer_alignment): Handle component
11327 references for field alignment.
11329 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
11331 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
11332 when building with libgloss.
11333 (sh*elf): Implement --without-fp option.
11334 (sh64-superh-linux*): Don't multilib.
11336 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
11338 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
11340 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
11342 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
11343 Set it when one of the replacement functions returned true.
11344 Return TODO_cleanup_cfg if cfgchanged is true.
11345 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
11347 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
11349 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
11350 instead of gen_lowpart.
11352 2006-03-09 Richard Sandiford <richard@codesourcery.com>
11354 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
11356 (mips_output_order_conditional_branch): Declare.
11357 * config/mips/mips.h (MIPS_BRANCH): New macro.
11358 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
11359 for the comparison. Use gen_condjump.
11360 (mips_output_conditional_branch): Rework interface to take the
11361 asm templates for a direct branch and the inverse of a direct branch.
11362 (mips_output_order_conditional_branch): New function.
11363 (mips_builtin_branch_and_move): New function.
11364 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
11365 branch condition. Use gen_single_cc as the condition for
11366 __builtin_mips_upper_* or __builtin_mips_lower_*.
11367 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
11368 Use VOIDmode for the branch condition.
11369 * config/mips/predicates.md (order_operator): New predicate.
11370 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
11371 (branch_fp): Rename to...
11372 (*branch_fp): ...this. Remove mode from comparison operator.
11373 Use new mips_output_conditional_branch interface.
11374 (branch_fp_inverted): Rename to...
11375 (*branch_fp_inverted): ...this and update as for *branch_fp.
11376 (*branch_zero<mode>): Rename to...
11377 (*branch_order<mode>): ...this. Remove mode from comparison operator.
11378 Use mips_output_order_conditional_branch. Only accept ordered
11380 (*branch_zero<mode>_inverted): Rename to...
11381 (*branch_order<mode>_inverted): ...this and update as for
11382 *branch_order<mode>.
11383 (*branch_equality<mode>): Accept zero as the second operand to
11384 the equality operator. Use the new mips_output_conditional_branch
11386 (*branch_equality<mode>_inverted): Likewise.
11387 (condjump): New expander.
11388 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
11390 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
11391 (bc1any2t, bc1any2f): Likewise.
11392 (single_cc): New expander.
11393 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
11395 2006-03-09 Richard Sandiford <richard@codesourcery.com>
11397 * doc/md.texi: Update documentation of MIPS constraints.
11398 * config/mips/constraints.md: New file.
11399 * config/mips/mips.md: Include it.
11400 * config/mips/mips.c (mips_char_to_class): Delete.
11401 (override_options): Don't initialize mips_char_to_class.
11402 * config/mips/mips.h (mips_char_to_class): Delete.
11403 (REG_CLASS_FROM_LETTER): Delete.
11404 (CONST_OK_FOR_LETTER_P): Delete.
11405 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
11406 (EXTRA_CONSTRAINT_Y): Delete.
11407 (EXTRA_CONSTRAINT_STR): Delete.
11408 (CONSTRAINT_LEN): Delete.
11409 (EXTRA_MEMORY_CONSTRAINT): Delete.
11411 2006-03-09 Diego Novillo <dnovillo@redhat.com>
11413 * tree-cfg.c (move_block_to_fn): Remove the statements from the
11414 original fn's eh regions.
11416 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
11418 * fold-const.c (build_range_check): Make sure to use a valid type to
11419 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
11422 (range_predecessor): New static function.
11423 (range_successor): Likewise.
11424 (merge_ranges): Use them to compute predecessors and successors of
11427 2006-03-09 Roger Sayle <roger@eyesopen.com>
11429 PR middle-end/26561
11430 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
11431 X op C3, consider whether C3 overflows towards +Inf or -Inf.
11433 2006-03-08 DJ Delorie <dj@redhat.com>
11435 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
11436 (addpsi3): Expand to include memory operands. Remove
11437 reload-specific splits.
11438 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
11439 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
11440 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
11441 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
11442 (shift1_qi, shift1_hi, insv): New.
11443 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
11444 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
11445 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
11447 * config/m32c/m32c-protos.h: Update as needed.
11448 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
11449 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
11450 Fail for unrecognized R* constraints.
11451 (m32c_cannot_change_mode_class): Be more picky about pseudos.
11452 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
11453 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
11455 (m32c_init_libfuncs): New.
11456 (m32c_legitimate_address_p): Add debug wrapper.
11457 (m32c_rtx_costs): New.
11458 (m32c_address_cost): New.
11459 (conversions): Add 'B' prefix.
11460 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
11461 operands, or word regnames for QI operands. 'B' prints bit
11463 (m32c_expand_setmemhi): New.
11464 (m32c_expand_movmemhi): New.
11465 (m32c_expand_movstr): New.
11466 (m32c_expand_cmpstr): New.
11467 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
11468 (m32c_expand_neg_mulpsi3): Handle non-ints.
11469 (m32c_cmp_flg_0): New.
11470 (m32c_expand_movcc): New.
11471 (m32c_expand_insv): New.
11472 (m32c_scc_pattern): New.
11473 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
11474 a0/a1 out of SIregs.
11475 (STORE_FLAG_VALUE): New.
11476 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
11479 * config/m32c/mov.md: Make constraints more liberal.
11480 (zero_extendqihi2): Optimize r0/r1 case.
11481 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
11482 * config/m32c/predicates.md (m32c_any_operand): New.
11483 (m32c_nonimmediate_operand): New.
11484 (m32c_hl_operand): New.
11485 (m32c_r3_operand): New.
11488 (memsym_operand): New.
11489 (memimmed_operand): New.
11490 (a_qi_operand): New.
11491 (m32c_eqne_operator): New.
11492 (m32c_1bit8_operand): New.
11493 (m32c_1bit16_operand): New.
11494 (m32c_1mask8_operand): New.
11495 (m32c_1mask16_operand): New.
11496 * config/m32c/blkmov.md: New file.
11497 * config/m32c/t-m32c (MD_FILES): Add blkmov.
11499 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
11501 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
11502 unsigned to fix signed/unsigned comparison issue in
11503 DWARF2_FRAME_REG_OUT.
11504 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
11505 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
11507 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
11508 of ptr into the ENABLE_CHECKING section.
11510 2006-03-08 Jeff Law <law@redhat.com>
11512 * tree-vrp.c (infer_value_range): Only count pointer uses
11513 and dereferences if -fdelete-null-pointer-checks is enabled.
11515 * tree-vrp.c (find_assert_locations): Infer value ranges for
11516 single use pointers, but do not create ASSERT_EXPRs for them.
11517 When a non-null range is inferred for a pointer, backwards
11518 propagate that range to other equivalent pointers through the
11521 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
11524 * Makefile.in (dvi, html, install-info): Invoke the corresponding
11525 language hook targets.
11526 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
11527 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
11528 if language hook targets were missing.
11530 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
11532 * tree-ssa-opfinalize.h: Removed.
11533 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
11535 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
11536 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
11537 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
11538 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
11539 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
11540 finalize_ssa_v_must_def_ops): New.
11542 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
11544 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
11545 block as parameter.
11547 2006-03-07 Geoffrey Keating <geoffk@apple.com>
11549 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
11551 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
11552 addresses with offsets; reorganize.
11554 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
11555 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
11556 (expand_builtin_init_dwarf_reg_sizes): Likewise.
11558 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
11561 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
11563 2006-03-08 Ben Elliston <bje@au.ibm.com>
11565 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
11567 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
11570 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
11573 2006-03-07 Richard Guenther <rguenther@suse.de>
11575 PR tree-optimization/26587
11576 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
11578 2006-03-07 Richard Sandiford <richard@codesourcery.com>
11580 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
11582 2006-03-07 Richard Sandiford <richard@codesourcery.com>
11584 * hooks.c (hook_bool_mode_rtx_true): New function.
11585 * hooks.h (hook_bool_mode_rtx_true): Declare.
11586 * toplev.c (compile_file): Call output_shared_constant_pool.
11587 * varasm.c (shared_constant_pool): New variable.
11588 (assemble_start_function, assemble_end_function): Remove arguments
11589 from call to output_constant_pool.
11590 (create_constant_pool): New function, split out from...
11591 (init_varasm_status): ...here.
11592 (force_const_mem): Choose between the shared and per-function constant
11593 pools. Set current_function_uses_const_pool when reusing old entries
11594 as well as when creating new ones.
11595 (mark_constant): Ignore data argument.
11596 (mark_constants): Remove pool argument.
11597 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
11598 to decide whether the function uses a constant pool.
11599 (output_constant_pool_contents): New function, split out from...
11600 (output_constant_pool): ...here.
11601 (output_shared_constant_pool): New function.
11602 (init_varasm_once): Initialize shared_constant_pool.
11603 * output.h (output_constant_pool): Delete.
11604 (output_shared_constant_pool): Declare.
11605 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
11606 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
11608 2006-03-06 Nick Clifton <nickc@redhat.com>
11610 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
11611 flag_strength_reduce.
11613 2006-03-06 Ben Elliston <bje@au.ibm.com>
11615 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
11616 x86_64-*-linux* configurations.
11618 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
11619 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
11621 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
11623 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
11625 * basic-block.h: Remove the extern for
11626 rediscover_loops_after_threading.
11628 * cfgloop.c (cancel_loop): Make it static.
11629 * cfgloop.h: Remove the prototype for cancel_loop.
11631 * flow.c (recompute_reg_usage): Make it static.
11632 * rtl.h: Remove the prototype for recompute_reg_usage.
11634 * function.c (use_return_register): Make it static.
11635 * function.h: Remove the prototype.
11637 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
11639 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
11641 * recog.h: Remove the prototype for
11642 validate_change_maybe_volatile.
11644 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
11646 * rtlanal.c (replace_reg): Remove.
11647 * rtl.h: Remove the prototype for replace_reg.
11649 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
11651 * regclass.c (reg_scan_update): Remove.
11652 (reg_scan_mark_refs): Remove the last argument.
11653 * rtl.h: Remove the prototype for reg_scan_update.
11655 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11657 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
11658 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
11659 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
11660 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
11661 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
11662 loop-invariant.c, omp-low.c, opts.c, passes.c,
11663 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
11664 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
11665 tree-ssa-structalias.c, tree-ssa-threadedge.c,
11666 tree-ssa-threadupdate.c, tree-vect-patterns.c,
11667 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
11668 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
11670 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11672 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
11673 * dwarf2out.h: Remove the prototype for
11674 dwarf2out_add_library_unit_info.
11676 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11678 * tree.c (add_var_to_bind_expr): Remove.
11679 * tree.h: Remove the prototype for add_var_to_bind_expr.
11681 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11683 * regclass.c (n_non_fixed_regs): Remove.
11684 (init_reg_sets_1, globalize_reg): Remove all uses of
11686 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
11688 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11690 * rtlanal.c (insns_safe_to_move_p): Remove.
11691 * rtl.h: Remove the prototype for insns_safe_to_move_p.
11693 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11695 * expmed.c (expand_mult_add): Remove.
11696 * expr.h: Remove the prototype for expand_mult_add.
11698 2006-03-04 Jakub Jelinek <jakub@redhat.com>
11700 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
11701 and REG_SAVED_VAL_EXP constants.
11702 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
11703 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
11704 Handle regs stored by value.
11705 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
11706 (execute_cfa_program): Handle DW_CFA_val_offset,
11707 DW_CFA_val_offset_sf and DW_CFA_val_expression.
11708 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
11709 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
11710 (uw_install_context_1): Handle target regs stored by value.
11712 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
11714 * tree-sra.c (tree_sra): Return todoflags;
11715 (generate_one_element): Set TODO_update_smt_usage if needed.
11716 (pass_sra): Remove TODO_update_smt_usage.
11717 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
11719 (tree_ssa_forward_propagate_single_use_vars): Return
11720 TODO_update_smt_usage if we need to update SMT usage.
11721 (pass_forwprop): Remove TODO_update_smt_usage.
11723 2006-03-03 Diego Novillo <dnovillo@redhat.com>
11725 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
11726 (correct_use_link): Remove reference to get_stmt_operands.
11727 (update_stmt_operands): Likewise.
11728 (get_modify_expr_operands): New function factored out of
11729 parse_ssa_operands and get_expr_operands.
11730 Try to create V_MUST_DEFs for LHS by default.
11731 (get_expr_operands) <case MODIFY_EXPR>: Call
11732 get_modify_expr_operands.
11733 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
11734 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
11735 (parse_ssa_operands) <case MODIFY_EXPR>: Call
11736 get_modify_expr_operands.
11738 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
11740 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
11741 * tree-flow.h: Remove the prototype for
11742 referenced_var_lookup_if_exists.
11744 2006-03-03 Steve Ellcey <sje@cup.hp.com>
11746 PR rtl-optimization/26345
11748 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
11750 2006-03-03 Roger Sayle <roger@eyesopen.com>
11752 PR tree-optimization/26524
11753 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
11754 fold_convert to create a constant of the appropriate type.
11756 2006-03-03 Richard Sandiford <richard@codesourcery.com>
11758 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
11759 SYMBOL_REF_IN_BLOCK_P.
11760 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
11761 of SYMBOL_FLAG_IN_BLOCK.
11762 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
11763 instead of SYMBOL_REF_IN_BLOCK_P.
11764 * explow.c (use_anchored_address): Likewise.
11765 * rtl.c (rtx_size): Likewise.
11766 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
11767 instead of SYMBOL_FLAG_IN_BLOCK.
11768 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
11769 SYMBOL_REF_IN_BLOCK_P.
11770 (assemble_variable): Likewise.
11771 (output_constant_def_contents): Likewise.
11772 (output_constant_pool): Likewise.
11773 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
11774 instead of SYMBOL_FLAG_IN_BLOCK.
11775 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
11776 SYMBOL_REF_IN_BLOCK_P.
11777 (SYMBOL_REF_BLOCK): Likewise.
11778 (SYMBOL_REF_OFFSET): Likewise.
11779 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
11780 SYMBOL_REF_IN_BLOCK_P.
11781 (SYMBOL_FLAG_IN_BLOCK): Replace with...
11782 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
11783 (SYMBOL_REF_IN_BLOCK_P): Replace with...
11784 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
11786 2006-03-03 Jakub Jelinek <jakub@redhat.com>
11788 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
11790 2006-03-02 Roger Sayle <roger@eyesopen.com>
11792 * simplify-rtx.c (simplify_unary_operation): When simplifying
11793 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
11794 that we perform the right shift in the appropriate mode, and
11795 then extend or truncate the result to requested mode.
11797 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
11799 * gengtype.c (main): Handle double_int type.
11800 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
11801 * double-int.c: New file.
11802 * double-int.h: New file.
11803 * system.h: Include doubleint.h.
11804 * Makefile.in (SYSTEM_H): Include double-int.h.
11805 (double-int.o): Add.
11807 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
11810 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
11813 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
11815 * tree-vrp.c (remove_range_assertions): Do not update statements
11818 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
11820 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
11822 * gcse.c (rest_of_handle_gcse): Ditto.
11823 * except.c (gate_handle_eh): Ditto.
11824 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
11825 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
11827 2006-03-02 Eric Christopher <echristo@apple.com>
11829 * config/i386/i386.c (machopic_output_stub): Add indirection to
11832 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
11836 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
11838 Sun Niagara specific optimizations.
11839 * config.gcc: Recognize niagara as target.
11840 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
11841 (TARGET_CPU_niagara): Define.
11842 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
11843 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
11844 (CPP_CPU_SPEC): Handle -mcpu=niagara.
11845 (ASM_CPU_SPEC): Likewise.
11846 (PROCESSOR_NIAGARA): New enum entry.
11847 (REGISTER_MOVE_COST): Handle Niagara.
11848 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
11849 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
11850 (sparc_override_options): Recognize "niagara", set appropriate
11851 default MASK_* values for it, and align functions to 32-bytes
11852 by default just like ULTRASPARC/ULTRASPARC3.
11853 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
11854 (sparc64_initialize_trampoline): Likewise.
11855 (sparc_use_sched_lookahead): Use zero for niagara.
11856 (sparc_issue_rate): Use one for niagara.
11857 * config/sparc/niagara.md: New file.
11858 * config/sparc/sparc.md: Include it.
11859 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
11860 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
11861 when default cpu is niagara.
11862 (CPP_CPU_SPEC): Handle -mcpu=niagara.
11863 (ASM_CPU_SPEC): Likewise.
11864 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
11865 when default cpu is niagara.
11866 (ASM_CPU_SPEC): Handle -mcpu=niagara.
11867 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
11868 just like v9/ultrasparc/ultrasparc3.
11869 * doc/invoke.texi: Add documentation for "niagara" and improve
11870 existing documentation for ultrasparc variants.
11872 2006-03-02 Diego Novillo <dnovillo@redhat.com>
11874 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
11876 2006-03-02 Richard Sandiford <richard@codesourcery.com>
11878 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
11879 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
11880 and say that only one is needed.
11881 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
11882 * target.h (have_switchable_bss_sections): New hook.
11883 * explow.c (use_anchored_address): Check that the symbol is in a block.
11884 * varasm.c (tls_comm_section, comm_section, lcomm_section)
11885 (bss_noswitch_section): New variables.
11886 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
11887 (get_noswitch_section): New function.
11888 (get_block_for_section): Allow SECT to be null.
11889 (unlikely_text_section_p): Use SECTION_STYLE.
11890 (bss_initializer_p): New function.
11891 (get_variable_section): Move earlier in file. Take a new argument,
11892 prefer_noswitch_p. Move bss checks from assemble_variable to here.
11893 Return one of the new *_sections in such cases.
11894 (get_block_for_decl): New function, extracting some logic from
11895 use_blocks_for_decl_p.
11896 (change_symbol_section): Remove in favor of...
11897 (change_symbol_block): ...this new function.
11898 (use_blocks_for_decl_p): Remove checks now performed by
11899 get_block_for_decl.
11900 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
11901 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
11902 (emit_local, emit_bss, emit_common): ...these new functions.
11903 Return true if the alignment was honored.
11904 (emit_tls_common): New function.
11905 (asm_emit_uninitialised): Delete.
11906 (assemble_variable_noswitch): New function, split out from...
11907 (assemble_variable): ...here. Don't make decisions about common
11908 variables here. Globalize all public decls that go into non-common
11909 sections. Check whether SYMBOL_REF_BLOCK is null.
11910 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
11911 (output_constant_pool): Likewise.
11912 (init_varasm_once): Initialize the new section variables.
11913 (have_global_bss_p): New function.
11914 (categorize_decl_for_section): Use bss_initializer_p.
11915 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
11916 (place_block_symbol): Assert that the symbol must be in a block.
11917 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
11918 (TARGET_INITIALIZER): Include it.
11919 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
11920 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
11921 (SECTION_MACH_DEP): Bump by two.
11922 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
11923 (unnamed_section): Mention SECTION_UNNAMED in comment.
11924 (named_section): Likewise SECTION_NAMED.
11925 (noswitch_section_callback): New type.
11926 (noswitch_section): New structure.
11927 (section): Add a noswitch_section alternative.
11928 (SECTION_STYLE): New macro.
11929 (tls_comm_section, comm_section, lcomm_section): Declare.
11930 (bss_noswitch_section, have_global_bss_p): Declare.
11931 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
11932 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
11934 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
11935 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
11938 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
11940 * tree-vrp.c (execute_vrp): Return value.
11941 * regrename.c (rest_of_handle_regrename): Ditto.
11942 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
11943 * tree-complex.c (tree_lower_complex): Ditto.
11944 (tree_lower_complex_O0): Ditto.
11945 * tracer.c (rest_of_handle_tracer): Ditto.
11946 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
11947 * postreload.c (rest_of_handle_postreload): Ditto.
11948 * tree-tailcall.c (execute_tail_recursion): Ditto.
11949 (execute_tail_calls): Ditto.
11950 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
11951 * tree.h (init_function_for_compilation): Ditto.
11952 * ipa-cp.c (ipcp_driver): Ditto.
11953 * tree-scalar-evolution.c (scev_const_prop): Ditto.
11954 * tree-scalar-evolution.h (scev_const_prop): Ditto.
11955 * final.c (compute_alignments): Ditto.
11956 (rest_of_handle_final): Ditto.
11957 (rest_of_handle_shorten_branches): Ditto.
11958 (rest_of_clean_state): Ditto.
11959 * omp-low.c (execute_expand_omp): Ditto.
11960 (execute_lower_omp): Ditto.
11961 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
11962 * ipa-reference.c (static_execute): Ditto.
11963 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
11964 * reorg.c (rest_of_handle_delay_slots): Ditto.
11965 (rest_of_handle_machine_reorg): Ditto.
11966 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
11967 * flow.c (recompute_reg_usage): Ditto.
11968 (rest_of_handle_remove_death_notes): Ditto.
11969 (rest_of_handle_life): Ditto.
11970 (rest_of_handle_flow2): Ditto.
11971 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
11972 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
11973 (do_ssa_store_ccp): Ditto.
11974 (execute_fold_all_builtins): Ditto.
11975 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
11976 * modulo-sched.c (rest_of_handle_sms): Ditto.
11977 * ipa-pure-const.c (static_execute): Ditto.
11978 * cse.c (rest_of_handle_cse): Ditto.
11979 (rest_of_handle_cse2): Ditto.
11980 * web.c (rest_of_handle_web): Ditto.
11981 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
11982 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
11983 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
11984 * tree-nrv.c (tree_nrv): Ditto.
11985 (execute_return_slot_opt): Ditto.
11986 * tree-ssa-alias.c (compute_may_aliases): Ditto.
11987 (create_structure_vars): Ditto.
11988 * loop-init.c (rtl_loop_init): Ditto.
11989 (rtl_loop_done): Ditto.
11990 (rtl_move_loop_invariants): Ditto.
11991 (rtl_unswitch): Ditto.
11992 (rtl_unroll_and_peel_loops): Ditto.
11993 (rtl_doloop): Ditto.
11994 * gimple-low.c (lower_function_body): Ditto.
11995 (mark_used_blocks): Ditto.
11996 * tree-ssa-sink.c (execute_sink_code): Ditto.
11997 * ipa-inline.c (cgraph_decide_inlining): Ditto.
11998 (cgraph_early_inlining): Ditto.
11999 * global.c (rest_of_handle_global_alloc): Ditto.
12000 * jump.c (cleanup_barriers): Ditto.
12001 (purge_line_number_notes): Ditto.
12002 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
12003 (rest_of_handle_if_after_reload): Ditto.
12004 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
12005 (tree_ssa_loop_im): Ditto.
12006 (tree_ssa_loop_unswitch): Ditto.
12007 (tree_vectorize): Ditto.
12008 (tree_linear_transform): Ditto.
12009 (tree_ssa_loop_ivcanon): Ditto.
12010 (tree_ssa_empty_loop): Ditto.
12011 (tree_ssa_loop_bounds): Ditto.
12012 (tree_complete_unroll): Ditto.
12013 (tree_ssa_loop_prefetch): Ditto.
12014 (tree_ssa_loop_ivopts): Ditto.
12015 (tree_ssa_loop_done): Ditto.
12016 * predict.c (tree_estimate_probability): Ditto.
12017 * recog.c (split_all_insns_noflow): Ditto.
12018 (rest_of_handle_peephole2): Ditto.
12019 (rest_of_handle_split_all_insns): Ditto.
12020 * tree-eh.c (lower_eh_constructs): Ditto.
12021 * regmove.c (rest_of_handle_regmove): Ditto.
12022 (rest_of_handle_stack_adjustments): Ditto.
12023 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
12024 * function.c (instantiate_virtual_regs): Ditto.
12025 (init_function_for_compilation): Ditto.
12026 (rest_of_handle_check_leaf_regs): Ditto.
12027 * gcse.c (rest_of_handle_jump_bypass): Ditto.
12028 (rest_of_handle_gcse): Ditto.
12029 * ipa-type-escape.c (type_escape_execute): Ditto.
12030 * alias.c (rest_of_handle_cfg): Ditto.
12031 * tree-if-conv.c (main_tree_if_conversion): Ditto.
12032 * profile.c (rest_of_handle_branch_prob): Ditto.
12033 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
12034 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
12035 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
12036 * tree-dfa.c (find_referenced_vars): Ditto.
12037 * except.c (set_nothrow_function_flags): Ditto.
12038 (convert_to_eh_region_ranges): Ditto.
12039 (rest_of_handle_eh): Ditto.
12040 * emit-rtl.c (unshare_all_rtl): Ditto.
12041 (remove_unnecessary_notes): Ditto.
12042 * except.h (set_nothrow_function_flags): Ditto.
12043 (convert_to_eh_region_ranges): Ditto.
12044 * cfgexpand.c (tree_expand_cfg): Ditto.
12045 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
12046 * tree-ssa-pre.c (do_pre): Ditto.
12047 (execute_fre): Ditto.
12048 * cfgcleanup.c (rest_of_handle_jump): Ditto.
12049 (rest_of_handle_jump2): Ditto.
12050 * tree-sra.c (tree_sra): Ditto.
12051 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
12052 (execute_mudflap_function_decls): Ditto.
12053 * tree-ssa-copy.c (do_copy_prop): Ditto.
12054 (do_store_copy_prop): Ditto.
12055 * ipa-prop.h (ipcp_driver): Ditto.
12056 * cfglayout.c (insn_locators_initialize): Ditto.
12057 * tree-ssa-forwprop.c
12058 (tree_ssa_forward_propagate_single_use_vars): Ditto.
12059 * cfglayout.h (insn_locators_initialize): Ditto.
12060 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
12061 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
12062 (execute_late_warn_uninitialized): Ditto.
12063 * rtl.h (cleanup_barriers): Ditto.
12064 (split_all_insns_noflow): Ditto.
12065 (purge_line_number_notes): Ditto.
12066 (unshare_all_rtl): Ditto.
12067 (remove_unnecessary_notes): Ditto.
12068 (recompute_reg_usage): Ditto.
12069 (variable_tracking_main): Ditto.
12070 * integrate.c (emit_initial_value_sets): Ditto.
12071 * integrate.h (emit_initial_value_sets): Ditto.
12072 * tree-optimize.c (execute_free_datastructures): Ditto
12073 (execute_free_cfg_annotations): Ditto.
12074 (execute_fixup_cfg): Ditto.
12075 (execute_cleanup_cfg_pre_ipa): Ditto.
12076 (execute_cleanup_cfg_post_optimizing): Ditto.
12077 (execute_init_datastructures): Ditto.
12078 * tree-object-size.c (compute_object_sizes): Ditto.
12079 * combine.c (rest_of_handle_combine): Ditto.
12080 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
12081 * bb-reorder.c (duplicate_computed_gotos): Ditto.
12082 (rest_of_handle_reorder_blocks): Ditto.
12083 (rest_of_handle_partition_blocks): Ditto.
12084 * var-tracking.c (variable_tracking_main): Ditto.
12085 * tree-profile.c (tree_profiling): Ditto.
12086 * tree-vect-generic.c (expand_vector_operations): Ditto.
12087 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
12088 * sched-rgn.c (rest_of_handle_sched): Ditto.
12089 (rest_of_handle_sched2): Ditto.
12090 * basic-block.h (free_bb_insn): Ditto.
12091 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
12092 * tree-cfg.c (execute_build_cfg): Ditto.
12093 (remove_useless_stmts): Ditto.
12094 (split_critical_edges): Ditto.
12095 (execute_warn_function_return): Ditto.
12096 (execute_warn_function_noreturn): Ditto.
12097 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
12098 * cfgrtl.c (free_bb_for_insn): Ditto.
12099 * passes.c (execute_one_pass): Run additional
12100 todos returned by execute function.
12101 * tree-pass.h (struct tree_opt_pass): Make execute
12104 2006-03-02 Richard Guenther <rguenther@suse.de>
12106 * tree-ssa-alias.c (find_used_portions): Consider taking
12107 the address as making the variable not write-only.
12109 2006-03-02 Nick Clifton <nickc@redhat.com>
12111 * config.gcc (default_use_cxa_atexit): Extend the description of
12112 this configure variable. Set its default value to "yes" for
12113 Linux, NetBSD and ELF targets on the assumption that they will
12114 use C libraries with the __cxa_atexit function.
12116 2006-03-02 Ben Elliston <bje@au.ibm.com>
12118 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
12119 parameter as unused to suppress a build warning.
12121 2006-03-02 Ben Elliston <bje@au.ibm.com>
12123 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
12126 2006-03-01 Roger Sayle <roger@eyesopen.com>
12129 * gthr-posix.h (__gthrw2): Define to take three parameters, the
12130 declared name, the weak reference name, and the typeof name.
12131 (__gthrw): Avoid expanding the declared name suffix.
12132 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
12134 2006-03-01 Jakub Jelinek <jakub@redhat.com>
12136 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
12138 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
12139 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
12140 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
12141 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
12142 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
12143 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
12144 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
12145 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
12146 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
12147 DW_DS_leading_separate, DW_DS_trailing_separate): New.
12148 (DW_END_default, DW_END_big, DW_END_little): New.
12149 (DW_END_lo_user, DW_END_hi_user): Define.
12150 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
12151 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
12152 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
12155 2006-03-01 Diego Novillo <dnovillo@redhat.com>
12157 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
12159 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
12161 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
12163 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
12165 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
12166 to 'symbol_mem_tag'.
12168 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
12171 2006-03-01 Roger Sayle <roger@eyesopen.com>
12173 * builtins.c (fold_builtin_copysign): Delete unreachable code.
12175 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
12178 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
12179 MACHO_DYNAMIC_NO_PIC_P.
12180 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
12182 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
12185 * config/darwin-protos.h (darwin_asm_output_anchor):
12187 * config/darwin-sections.def (cstring_section):
12188 Add SECTION_MERGE to the flags.
12189 (literal4_section): Likewise.
12190 (literal8_section): Likewise.
12191 (objc_selector_refs_section): Likewise.
12192 (objc_cls_refs_section): Likewise.
12193 * config/darwin.c (darwin_asm_output_anchor): New
12195 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
12197 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
12199 Fix PR tree-optimization/26443
12200 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
12201 to todo and PROP_tmt_usage to properties_destroyed.
12202 * tree-ssa-ccp.c (pass_ccp): Ditto.
12203 (pass_store_ccp): Ditto.
12204 * tree-ssa-dom.c (pass_dominator): Ditto.
12206 2006-03-01 Diego Novillo <dnovillo@redhat.com>
12208 * tree-ssa-operands.c: Cleanup whitespace.
12209 (get_asm_expr_operands): Move before first invocation.
12210 (get_indirect_ref_operands): Likewise.
12211 (get_tmr_operands): Likewise.
12212 (get_call_expr_operands): Likewise.
12213 (append_def): Likewise.
12214 (append_use): Likewise.
12215 (append_v_may_def): Likewise.
12216 (append_v_must_def): Likewise.
12217 (add_call_clobber_ops): Likewise.
12218 (add_call_read_ops): Likewise.
12219 (add_stmt_operand): Likewise.
12220 (add_virtual_operand): Likewise.
12221 (build_ssa_operands): Likewise.
12223 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
12225 PR middle-end/26022
12227 PR middle-end/24437
12228 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
12229 with a call expr to ...
12230 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
12232 2006-03-01 Diego Novillo <dnovillo@redhat.com>
12234 * tree-vrp.c (extract_range_from_assert): Remove special
12235 handling for types with super-types.
12237 2006-03-01 Ben Elliston <bje@au.ibm.com>
12239 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
12240 and powerpc64-*-linux* configurations.
12241 * config/t-dfprules: New file.
12243 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
12244 Compile dfp-bit.c from the source directory using -DWIDTH and
12245 $DFP_CFLAGS to control the compilation of that file, rather than
12246 generating width-specific versions in the build directory.
12247 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
12248 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
12250 2006-02-28 Zack Weinberg <zackw@panix.com>
12252 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
12255 2006-02-28 Eric Christopher <echristo@apple.com>
12257 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
12258 Set up IN_LIBGCC definition of TARGET_64BIT.
12259 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
12261 2006-02-28 Roger Sayle <roger@eyesopen.com>
12263 PR middle-end/14752
12264 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
12265 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
12266 cases via the construction of "expr != 0".
12268 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
12270 * alias.c (alias_invariant, alias_invariant_size): Remove.
12271 (record_base_value): Remove.
12272 (memrefs_conflict_p): Don't look at alias_invariant.
12273 (end_alias_analysis): Don't free it.
12274 * alias.h (record_base_value): Remove prototype.
12276 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
12277 Adam Nemet <anemet@caviumnetworks.com>
12279 * rtl.h (truncated_to_mode): Declare it.
12280 (struct rtl_hooks): Add reg_truncated_to_mode hook.
12281 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
12282 (RTL_HOOKS_INITIALIZER): Include it.
12283 * rtlhooks.c (reg_truncated_to_mode_general): New function.
12284 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
12285 reg_truncated_to_mode.
12286 * rtlanal.c (truncated_to_mode): Define it.
12287 * simplify-rtx.c (simplify_unary_operation_1): Use it.
12289 2006-02-28 Jeff Law <law@redhat.com>
12291 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
12292 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
12293 the range allowed by TYPE_PRECISION.
12295 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
12297 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
12299 PR tree-optimization/26419
12300 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
12303 2006-02-27 Zack Weinberg <zackw@panix.com>
12305 * doc/md.texi: Fix typo in previous change.
12307 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
12311 2006-02-27 Zack Weinberg <zackw@panix.com>
12313 * rtl.def (define_constraint, define_register_constraint)
12314 (define_memory_constraint, define_address_constraint): New MD forms.
12315 * gensupport.c (process_rtx): Put define_constraint etc on the
12317 * genpreds.c (process_define_predicate): Adjust comment. Validate
12318 the name, and call validate_exp to validate the expression.
12319 (mark_mode_tests, write_extract_subexp): Can assume correct input.
12320 (write_predicate_expr): Likewise. NAME argument no longer necessary;
12321 all callers changed.
12322 (validate_exp, needs_variable, struct constraint_data)
12323 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
12324 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
12325 (const_dbl_constraints, constraint_max_namelen)
12326 (have_register_constraints, have_memory_constraints)
12327 (have_address_constraints, have_address_constraints)
12328 (have_extra_constraints, have_const_int_constraints)
12329 (have_const_dbl_constraints, mangle, add_constraint)
12330 (process_define_constraint, process_define_register_constraint)
12331 (write_enum_constraint_num, write_lookup_constraint)
12332 (write_insn_constraint_len, write_regclass_for_constraint)
12333 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
12334 (write_insn_extra_memory_constraint)
12335 (write_insn_extra_address_constraint)
12336 (write_satisfies_constraint_fns): New.
12337 (write_tm_preds_h): If we have new-style constraint definitions,
12338 prototype the functions generated from them, and define the
12339 old constraint interface (still used by generic code) in terms of
12341 (write_insn_preds_c): If we have new-style constraint definitions,
12342 generate all relevant functions from those definitions.
12343 (main): Handle define_constraint etc.
12344 * genoutput.c (struct constraint_data, indep_constraints)
12345 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
12346 (mdep_constraint_len): New data structures and functions, defined
12347 #ifdef USE_MD_CONSTRAINTS.
12348 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
12349 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
12350 use new logic to validate operand constraints against constraint
12352 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
12354 * defaults.h: If none of the old-style constraint macros are
12355 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
12356 old-style macros; and poison REG_CLASS_FROM_LETTER,
12357 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
12359 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
12360 * doc/md.texi: Document new constraint-definition mechanism and the
12361 C interface it provides. Remove references to old mechanism
12362 elsewhere in the document.
12363 (Machine Constraints): Use pathnames relative to gcc directory,
12364 i.e. config/ARCH/FILE. Change i386 section to refer to
12365 config/i386/predicates.md; update that section to match docstrings.
12366 * doc/tm.texi: Move all documentation of the old constraint-
12367 definition macros to their own section, clearly mark as obsolete.
12369 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
12370 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
12372 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
12373 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
12374 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
12375 constraint strings.
12376 (splits and peepholes): Use satisfies_constraint_*.
12377 * config/i386/i386.c (memory_address_length)
12378 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
12380 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
12382 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
12383 scalar operation to be put back into the loop.
12385 2006-02-27 Jakub Jelinek <jakub@redhat.com>
12388 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
12389 (extract_cie_info): Handle S flag in augmentation string.
12390 (execute_cfa_program): If context->signal_frame, execute also
12391 fs->pc == context->ra instructions.
12392 (uw_frame_state_for): If context->signal_frame, don't subtract one
12393 from context->ra to find FDE.
12394 (uw_update_context_1): Set context->signal_frame to
12396 (_Unwind_GetIPInfo): New function.
12397 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
12398 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
12400 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
12401 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
12402 * unwind-compat.c (_Unwind_GetIPInfo): New function.
12403 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
12404 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
12405 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
12406 * config/i386/linux-unwind.h (x86_fallback_frame_state,
12407 x86_64_fallback_frame_state): Set fs->signal_frame.
12408 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
12409 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
12410 (frob_update_context): Likewise. Workaround missing S flag in
12411 Linux 2.6.12 - 2.6.16 kernel vDSOs.
12412 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
12413 Remove the psw_addr + 1 hack.
12415 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
12417 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
12418 with aggregates here.
12419 (find_func_aliases): Remove code for &<aggregate> from here.
12421 2006-02-26 Roger Sayle <roger@eyesopen.com>
12423 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
12424 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
12425 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
12426 as (X & C) ne/eq 0.
12428 2006-02-26 Roger Sayle <roger@eyesopen.com>
12430 PR middle-end/19983
12431 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
12433 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
12435 * opts.c (decode_options): Do not handle flag_strength_reduce.
12436 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
12437 and OPT_fstrength_reduce.
12438 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
12439 flag_prefetch_loop_arrays for being nonzero.
12440 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
12442 (fprefetch-loop-arrays-rtl): Removed.
12443 (flag_prefetch_loop_arrays): Do not specify the value.
12445 * doc/passes.texi: Update documentation of loop optimizer
12447 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
12448 -frerun-loop-opt): Remove.
12450 2006-02-26 Richard Guenther <rguenther@suse.de>
12452 PR tree-optimization/26421
12453 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
12454 in function calls that are ADDR_EXPRs as using the whole structure.
12456 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
12458 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
12459 * tree-pass.h (pass_loop_optimize): Remove.
12460 * passes.c (pass_loop_optimize): Never run it.
12461 * toplev.c (backend_init): Don't call init_loop.
12462 * opts.c (flag_loop_optimize_set): Remove.
12463 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
12464 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
12465 the old RTL loop optimizer when profiling enabled.
12466 * predict.c (tree_estimate_probability): Always strip builtin_expect.
12467 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
12468 pre-headers for the sake of the old RTL loop optimizer.
12469 * Makefile.in: Remove all references to loop.o.
12471 * doc/invoke.texi: Remove all references to -floop-optimize
12472 and -frerun-loop-opt.
12474 2006-02-26 Zack Weinberg <zackw@panix.com>
12476 * doc/md.texi (Machine Constraints): Refer to all files with paths
12477 relative to gcc directory (i.e. config/CPU/file). Add missing
12478 @table @code ... @end table to M32C subsection.
12480 2006-02-26 Roger Sayle <roger@eyesopen.com>
12482 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
12484 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
12486 2006-02-26 Roger Sayle <roger@eyesopen.com>
12487 James A. Morrison <phython@gcc.gnu.org>
12489 PR middle-end/21137
12490 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
12491 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
12492 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
12493 signedness of the shift operation.
12495 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
12497 PR tree-optimization/26359
12498 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
12500 2006-02-25 Roger Sayle <roger@eyesopen.com>
12502 * simplify-rtx.c (simplify_relational_operation_1): Simplify
12503 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
12504 as X == 0, and some symmetry related transformations.
12505 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
12507 2006-02-25 Roger Sayle <roger@eyesopen.com>
12509 PR middle-end/23673
12510 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
12511 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
12512 symmetry related transformations. Fold (X^C1) == C2 as
12515 2006-02-25 Juergen Weigert <jw@suse.de>
12516 Richard Guenther <rguenther@suse.de>
12518 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
12520 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
12522 * combine.c (gen_lowpart_or_truncate): Call
12523 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
12525 2006-02-24 Diego Novillo <dnovillo@redhat.com>
12527 * doc/invoke.texi: Move -fopenmp description to "Options for
12529 Remove reference to -lgomp.
12531 2006-02-24 David Edelsohn <edelsohn@gnu.org>
12533 * doc/install.texi: Require GNU tar version 1.14.
12535 2006-02-24 Geoffrey Keating <geoffk@apple.com>
12537 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
12538 * doc/invoke.texi (C++ Dialect Options): Document
12539 -fno-use-cxa-get-exception-ptr.
12540 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
12541 * configure: Regenerate.
12542 * c.opt (fuse-cxa-get-exception-ptr): New.
12543 * c-opts.c (c_common_handle_option): Handle
12544 OPT_fuse_cxa_get_exception_ptr.
12545 * c-common.c (flag_use_cxa_atexit): Update documentation.
12546 (flag_use_cxa_get_exception_ptr): New.
12547 * c-common.h (flag_use_cxa_get_exception_ptr): New.
12548 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
12550 (C_COMMON_OVERRIDE_OPTIONS): New.
12552 2006-02-24 Roger Sayle <roger@eyesopen.com>
12554 PR middle-end/24952
12555 * combine.c (try_combine): Explicitly check whether GET_CODE is
12556 a SET or a CLOBBER, instead on checking that it isn't a USE.
12558 2006-02-24 Roger Sayle <roger@eyesopen.com>
12560 * fold-const.c (fold_comparison): New subroutine of fold_binary
12561 containing transformations common to both the equality and
12562 ordering relational operators, factored out of fold_binary.
12563 (fold_binary): Separate out the equality operators (EQ_EXPR
12564 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
12565 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
12566 transformations common to both.
12567 (fold_div_compare): Fix latent bugs in the previously unreachable
12568 LT_EXPR and GE_EXPR cases.
12570 2006-02-24 David Edelsohn <edelsohn@gnu.org>
12572 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
12573 decl libname for clog to __clog on AIX.
12575 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
12577 2006-02-24 Alan Modra <amodra@bigpond.net.au>
12580 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
12581 output traceback table for thunks. Localise rs6000_stack_info call.
12583 2006-02-23 Roger Sayle <roger@eyesopen.com>
12584 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
12586 * gthr-posix.h (__gthrw): Fix typo in comment.
12588 2006-02-23 Geoffrey Keating <geoffk@apple.com>
12590 * doc/cpp.texi (Character sets): Document that we do support
12591 input files to be in any character set.
12593 2006-02-23 Jeff Law <law@redhat.com>
12595 * tree.h (PHI_ARG_NONZERO): Remove.
12596 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
12597 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
12598 node to the new node.
12600 PR tree-optimization/26425
12601 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
12602 min/max, then assume its varying.
12604 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
12606 PR rtl-optimization/26316
12607 * rtlanal.c (enum may_trap_p_flags): New.
12608 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
12609 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
12610 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
12611 (may_trap_after_code_motion_p): New function.
12612 * loop-invariant.c (find_identical_invariants): Fix dump formating.
12613 (find_invariant_insn): Use may_trap_after_code_motion_p.
12614 * rtl.h (may_trap_after_code_motion_p): Declare.
12616 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
12618 * emit-rtl.c (immed_double_const): Cleanup.
12620 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
12622 Fix PR tree-optimization/26376
12623 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
12626 2006-02-23 Jakub Jelinek <jakub@redhat.com>
12628 PR middle-end/26412
12629 * gimplify.c (omp_add_variable): Guard variable size decl test with
12630 DECL_SIZE (decl) check.
12632 2006-02-23 Richard Guenther <rguenther@suse.de>
12634 PR middle-end/26439
12635 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
12636 like aggregate types.
12638 2006-02-23 Jakub Jelinek <jakub@redhat.com>
12640 * configure.ac: Add --with{,out}-long-double-128 configure option.
12641 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
12642 * configure: Rebuilt.
12643 * config.in: Rebuilt.
12644 * doc/install.texi (Options specification): Document
12645 --with-long-double-128.
12647 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
12648 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
12649 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
12650 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
12652 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
12654 * config/s390/s390.c (override_options): Handle
12655 TARGET_DEFAULT_LONG_DOUBLE_128.
12657 * config/alpha/alpha.c (override_options): Handle
12658 TARGET_DEFAULT_LONG_DOUBLE_128.
12660 * config/sparc/sparc.c (sparc_override_options): Handle
12661 TARGET_DEFAULT_LONG_DOUBLE_128.
12663 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
12665 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
12666 (real-install-headers-tar, real-install-headers-cpio)
12667 (real-install-headers-cp): New targets.
12669 2006-02-22 Richard Sandiford <richard@codesourcery.com>
12671 * tree.h (variable_section): Delete.
12672 * varasm.c (variable_section): Delete.
12674 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
12676 * install.texi: Add notes on install.texi2html.
12677 (Building in parallel): Do not use footnotes.
12679 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
12682 * doc/install.texi (Configuration): Document --disable-libgomp.
12684 2006-02-21 Geoffrey Keating <geoffk@apple.com>
12686 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
12688 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
12690 * config/i386/sse.md (vec_extractv2df_1_sse): New.
12691 (vec_extractv2df_0_sse): New.
12693 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
12695 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
12696 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
12697 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
12698 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
12699 to the result of the expression.
12700 (def_cfa_1): Adjust.
12701 (frame_pointer_cfa_offset): Rename to...
12702 (frame_pointer_fb_offset): ... this. Adjust all uses.
12703 (convert_cfa_to_loc_list): Rename to...
12704 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
12705 Pass it on to build_cfa_loc.
12706 (compute_frame_pointer_to_cfa_displacement): Rename to...
12707 (compute_frame_pointer_to_fb_displacement): ... this. New
12708 offset parameter. Use it in computation.
12709 (gen_subprogram_die): Compute cfa_fb_offset with the new
12710 macro, and use it to compute the fb loc list and the
12713 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
12715 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
12716 replaced with register_operand.
12717 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
12718 non-DREG is expensive.
12719 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
12720 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
12723 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
12725 * doc/install.texi2html: Use set -e.
12727 2006-02-21 Richard Sandiford <richard@codesourcery.com>
12729 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
12730 (ASM_OUTPUT_SHARED_LOCAL): Delete.
12731 * doc/invoke.texi (-fshared-data): Delete.
12732 * common.opt (fshared-data): Delete.
12733 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
12734 (assemble_static_space): Remove #if 0 code.
12735 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
12736 (ASM_OUTPUT_SHARED_LOCAL): Poison.
12737 * config/cris/cris.h: Remove FIXME.
12739 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
12741 * doc/sourcebuild.texi (Front End Directory): No more double-colon
12744 2006-02-21 Jakub Jelinek <jakub@redhat.com>
12746 PR middle-end/26379
12747 * combine.c (simplify_shift_const_1): Disable nested shifts
12748 optimization for vector shifts.
12750 2006-02-20 Roger Sayle <roger@eyesopen.com>
12752 PR tree-optimization/26361
12753 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
12754 of unsigned integer types.
12756 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
12758 * tree-chrec.c (eq_evolutions_p): New.
12759 * tree-chrec.h (eq_evolutions_p): Declared.
12760 * tree-data-ref.c: Fix formatting.
12761 (datadep_stats, dependence_stats): New.
12763 (print_direction_vector): New.
12764 (dump_data_dependence_relation): Use print_direction_vector.
12765 (object_analysis, create_data_ref): Handle COMPONENT_REF.
12766 (compute_subscript_distance): Static.
12767 (initialize_data_dependence_relation): Static. Get the number
12768 of loops surrounding the references from the callers, and initialize
12769 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
12770 base_object_differ_p analyzers.
12771 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
12772 compute_overlap_steps_for_affine_1_2,
12773 analyze_subscript_affine_affine): Count the classified dependences.
12774 Print a message when a test failed.
12775 (can_use_analyze_subscript_affine_affine): New.
12776 (analyze_siv_subscript): Compute the data dependences on symbolic
12777 scevs that verify can_use_analyze_subscript_affine_affine.
12778 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
12779 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
12780 Handle symbolic scevs.
12781 (analyze_overlapping_iterations): Let symbolic affine scevs to be
12783 (subscript_dependence_tester): Moved...
12784 (build_classic_dist_vector, build_classic_dir_vector): Don't use
12785 lambda_vector_clear on newly allocated vectors. Get nb_loops from
12786 DDR_SIZE_VECT instead of getting it in parameter.
12787 (subscript_dependence_tester): ... here. Take as a parameter
12788 loop_nest_depth. Call build_classic_dist_vector and
12789 build_classic_dir_vector.
12790 (compute_affine_dependence): Update subscript_dependence_tester
12791 parameters. Update datadep_stats counters. Call
12792 compute_subscript_distance.
12793 (compute_self_dependence): Save the dist and dir vectors. Call
12794 compute_subscript_distance.
12795 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
12796 (compute_all_dependences): Reorder parameters as they were before
12797 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
12798 compute_subscript_distance. Update the use of
12799 compute_affine_dependence and initialize_data_dependence_relation.
12800 (find_data_references_in_loop): Handle COMPONENT_REF.
12801 (compute_data_dependences_for_loop): Initialize dependence_stats.
12802 Don't call build_classic_dist_vector and build_classic_dir_vector.
12803 Update the parameters of initialize_data_dependence_relation and
12804 compute_all_dependences. Print the statistics from datadep_stats.
12805 (analyze_all_data_dependences): Static. Not used until the pass for
12806 checking the data dependences is contributed.
12807 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
12808 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
12809 (initialize_data_dependence_relation, compute_affine_dependence,
12810 analyze_all_data_dependences, compute_subscript_distance): Removed.
12811 (print_direction_vector): New.
12812 * lambda.h (gcd): ... here.
12813 (lambda_vector_gcd): Moved here from gcd_vector.
12814 * lambda-code.c (gcd, gcd_vector): Removed.
12815 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
12816 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
12818 2006-02-20 Diego Novillo <dnovillo@redhat.com>
12820 * ipa-type-escape.c: Tidy some comments and white space.
12821 * tree-ssa-operands.c: Likewise.
12823 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
12826 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
12827 (dump_decl_name): Do not walk the decl tree chains.
12828 * tree-pass.h (TDF_CHAIN): Remove.
12830 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
12832 * Makefile.in (C): Remove
12834 (.PHONY): Remove C and PROTO
12836 2006-02-20 Roger Sayle <roger@eyesopen.com>
12838 PR middle-end/26236
12839 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
12840 deprecated CHAR_TYPE tree code.
12842 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
12844 * configure.ac (target_list): Add install-info, dvi, html.
12845 * configure: Regenerate.
12847 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
12848 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
12849 treelang/Make-lang.in: Do not use double-colon rules.
12851 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
12853 * tree.h (struct tree_memory_tag): Add is_used_alone member.
12854 (TMT_USED_ALONE): New macro.
12855 * tree-pass.h (PROP_tmt_usage): New property.
12856 (TODO_update_tmt_usage): New todo.
12857 * tree-ssa-alias.c (updating_used_alone): New variable.
12858 (recalculate_used_alone): New function.
12859 (compute_may_aliases): Set updating_used_alone, call
12860 recalculate_used_alone.
12861 * tree-sra.c (pass_sra): Note that this pass destroys
12862 PROP_tmt_usage, and add TODO_update_tmt_usage.
12863 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
12864 * tree-flow.h (updating_used_alone): Prototype.
12865 (recalculate_used_alone): Ditto.
12866 * passes.c (execute_todo): Add code to set updating_used_alone,
12867 and call recalculate.
12868 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
12869 for clobber if used alone, and add assert to verify used_alone
12872 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
12874 * config/s390/s390.c (legitimize_pic_address): Assertions checking
12875 for non tls symbols added.
12876 (legitimize_address): Do nothing for PLUS expressions if one of the
12877 addends is a tls symbol reference.
12879 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
12883 * Makefile.in (LDFLAGS): Define from autoconf substitution.
12885 * Makefile.in (BOOTSTRAPPING): New.
12886 (quickstrap): New definition if BOOTSTRAPPING=yes.
12888 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
12889 * configure.ac: Substitute all_selected_languages with the languages
12890 that were configured. For all the other variables except
12891 lang_specs_files, include all the languages in the tree.
12892 * configure: Regenerate.
12894 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
12895 if there is one. Run the commands to run fixincludes in the same
12898 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
12899 * doc/install.texi: Document exact conventions for searching target tools.
12900 Document --with-build-time-tools. Document toplevel bootstrap. Document
12901 something more about building an Ada cross-compiler. Don't list GNU Make
12902 requirements which affect all platforms.
12904 2006-02-19 Roger Sayle <roger@eyesopen.com>
12906 PR middle-end/19543
12907 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
12908 only equivalent if the have both the same mode and precision.
12910 2006-02-20 Ben Elliston <bje@au.ibm.com>
12912 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
12914 2006-02-19 Roger Sayle <roger@eyesopen.com>
12915 Steven Bosscher <stevenb.gcc@gmail.com>
12917 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
12918 constant pool references to identify stack mode constants.
12919 * rtlanal.c (constant_pool_constant_p): New predicate to check
12920 whether operand is a floating point constant in the pool.
12921 * rtl.h (constant_pool_constant_p): Prototype here.
12922 * loop.c (scan_loop): Avoid hoisting constants from the constant
12923 pool on STACK_REGS targets.
12924 (load_mems): Likewise.
12925 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
12926 loads into x87 registers expensive in terms of register pressure.
12928 2006-02-19 Roger Sayle <roger@eyesopen.com>
12930 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
12931 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
12933 2006-02-19 David Edelsohn <edelsohn@gnu.org>
12935 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
12936 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
12938 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
12940 * doc/invoke.texi: Document -fipa-pta.
12941 * common.opt: Add ipa-pta option.
12942 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
12943 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
12944 (do_ds_constraint): Ditto.
12945 (get_constraint_for): Only add to referenced_vars if
12946 referenced_vars exists.
12947 (insert_into_field_list): Rewrite to do this unsorted.
12948 (insert_into_field_list_sorted): Rename old insert_into_field_list
12950 (create_function_info_for): Use insert_into_field_list_sorted.
12951 (create_variable_info_for): Rewrite so it uses unsorted version,
12952 since the field list is sorted.
12953 (intra_create_variable_infos): Only add to referenced_vars if
12954 referenced_vars exists.
12955 (ipa_pta_execute): Init heapvars, and delete when done.
12956 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
12958 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12960 * doc/install.texi: Add missing `@samp'.
12962 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
12964 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
12967 2006-02-18 Mark Wielaard <mark@klomp.org>
12969 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
12970 who added new 4.1 features, bug fixes and integration support.
12972 2006-02-18 David Edelsohn <edelsohn@gnu.org>
12975 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
12976 MEM for ABI_V4 pic.
12978 2006-02-18 Richard Sandiford <richard@codesourcery.com>
12980 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
12981 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
12982 (copy_insn_1): Likewise. Don't copy each field individually.
12984 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
12986 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
12987 * rtl.c (rtx_size): Rename variable to...
12988 (rtx_code_size): ...this.
12989 (rtx_size): New function.
12990 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
12991 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
12993 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
12994 * rtl.h (rtx_code_size): New variable.
12995 (rtx_size): Change from a variable to a function.
12996 (RTX_SIZE): Rename to...
12997 (RTX_CODE_SIZE): ...this.
13000 PR tree-optimization/17106
13001 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
13002 (Anchored Addresses): New section.
13003 * doc/invoke.texi (-fsection-anchors): Document.
13004 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
13005 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
13006 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
13007 * hooks.c (hook_bool_mode_rtx_false): New function.
13008 * hooks.h (hook_bool_mode_rtx_false): Declare.
13009 * gengtype.c (create_optional_field): New function.
13010 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
13011 SYMBOL_REF_IN_BLOCK_P is true.
13012 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
13013 (min_anchor_offset, max_anchor_offset): Likewise.
13014 (use_anchors_for_symbol_p): New hook.
13015 * toplev.c (compile_file): Call output_object_blocks.
13016 (target_supports_section_anchors_p): New function.
13017 (process_options): Check that -fsection-anchors is only used on
13018 targets that support it and when -funit-at-a-time is in effect.
13019 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
13020 if the decl doesn't have one.
13021 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
13022 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
13023 of force_const_mem through use_anchored_address.
13024 (expand_expr_constant): New function.
13025 (expand_expr_addr_expr_1): Call it. Use the same modifier when
13026 calling expand_expr for INDIRECT_REF.
13027 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
13028 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
13029 * expr.h (use_anchored_address): Declare.
13030 * loop-unroll.c: Don't declare rtx vectors here.
13031 * explow.c: Include output.h.
13032 (validize_mem): Call use_anchored_address.
13033 (use_anchored_address): New function.
13034 * common.opt (-fsection-anchors): New switch.
13035 * varasm.c (object_block_htab, anchor_labelno): New variables.
13036 (hash_section, object_block_entry_eq, object_block_entry_hash)
13037 (use_object_blocks_p, get_block_for_section, create_block_symbol)
13038 (use_blocks_for_decl_p, change_symbol_section): New functions.
13039 (get_variable_section): New function, split out from assemble_variable.
13040 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
13041 use_blocks_for_decl_p say so. Use change_symbol_section if the
13042 symbol has already been created.
13043 (assemble_variable_contents): New function, split out from...
13044 (assemble_variable): ...here. Don't output any code for
13045 block symbols; just pass them to place_block_symbol.
13046 Use get_variable_section and assemble_variable_contents.
13047 (get_constant_alignment, get_constant_section, get_constant_size): New
13048 functions, split from output_constant_def_contents.
13049 (build_constant_desc): Create a block symbol if use_object_blocks_p
13050 says so. Or into SYMBOL_REF_FLAGS.
13051 (assemble_constant_contents): New function, split from...
13052 (output_constant_def_contents): ...here. Don't output any code
13053 for block symbols; just pass them to place_section_symbol.
13054 Use get_constant_section and get_constant_alignment.
13055 (force_const_mem): Create a block symbol if use_object_blocks_p and
13056 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
13057 (output_constant_pool_1): Add an explicit alignment argument.
13058 Don't switch sections here.
13059 (output_constant_pool): Adjust call to output_constant_pool_1.
13060 Switch sections here instead. Don't output anything for block symbols;
13061 just pass them to place_block_symbol.
13062 (init_varasm_once): Initialize object_block_htab.
13063 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
13064 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
13065 (place_block_symbol, get_section_anchor, output_object_block)
13066 (output_object_block_htab, output_object_blocks): New functions.
13067 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
13068 (TARGET_ASM_OUT): Include it.
13069 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
13070 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
13071 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
13072 (TARGET_INITIALIZER): Include them.
13073 * rtl.c (rtl_check_failed_block_symbol): New function.
13074 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
13075 (block_symbol, object_block): New structures.
13076 (rtx_def): Add a block_symbol field to the union.
13077 (BLOCK_SYMBOL_CHECK): New macro.
13078 (rtl_check_failed_block_symbol): Declare.
13079 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
13080 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
13081 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
13082 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
13083 * output.h (output_section_symbols): Declare.
13084 (object_block): Name structure.
13085 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
13086 (default_use_anchors_for_symbol_p): Declare.
13087 * Makefile.in (RTL_BASE_H): Add vec.h.
13088 (explow.o): Depend on output.h.
13089 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
13090 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
13091 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
13092 (rs6000_use_blocks_for_constant_p): New function.
13094 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13096 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
13098 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
13101 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
13104 2006-02-18 Diego Novillo <dnovillo@redhat.com>
13106 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
13110 2006-02-18 Jakub Jelinek <jakub@redhat.com>
13112 PR middle-end/26334
13113 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
13114 instead of DECL_REGISTER.
13116 2006-02-18 Olivier Hainque <hainque@adacore.com>
13119 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
13121 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
13124 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
13125 * opth-gen.awk: Handle Var and InverseMask together.
13126 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
13127 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
13128 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
13129 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
13131 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
13132 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
13133 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
13134 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
13135 LINUX_DYNAMIC_LINKER): Define.
13136 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
13137 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
13139 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13140 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
13141 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13142 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13143 (TARGET_C99_FUNCTIONS): Don't define.
13144 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
13145 GLIBC_DYNAMIC_LINKER.
13146 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
13147 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
13148 GLIBC_DYNAMIC_LINKER64): Define.
13149 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
13150 LINUX_DYNAMIC_LINKER64.
13151 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13152 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13153 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
13154 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13155 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13156 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13157 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
13158 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
13159 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
13160 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
13161 and LINUX_DYNAMIC_LINKER32.
13162 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13163 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13164 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
13165 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13166 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
13168 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
13169 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
13170 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
13171 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
13172 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
13173 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
13174 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
13175 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
13176 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
13177 LINUX_DYNAMIC_LINKER): Define.
13178 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
13179 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
13180 GLIBC_DYNAMIC_LINKER64): Define.
13181 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
13182 LINUX_DYNAMIC_LINKER64.
13183 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13184 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13185 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
13186 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
13187 LINUX_DYNAMIC_LINKER): Define.
13188 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13189 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
13190 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
13191 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
13192 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
13193 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
13194 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
13195 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
13196 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
13197 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13198 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13199 * doc/invoke.texi (-muclibc): Remove caveat about supported
13202 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
13204 * doc/cpp.texi (__TIMESTAMP__): Document.
13206 2006-02-17 Roger Sayle <roger@eyesopen.com>
13208 PR middle-end/25600
13209 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
13210 C is one less than the width of X (and related transformations).
13211 * simplify-rtx.c (simplify_unary_operation_1): Transform
13212 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
13213 depending on STORE_FLAG_VALUE, were C is one less then the
13216 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
13218 Fix PR tree-optimization/26341
13219 * tree-ssa-operands.c (add_virtual_operand): Remove assert
13220 about NAME_MEMORY_TAG's.
13222 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13225 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
13226 with hardware float support, and software float support. Add fcpy
13227 alternative to hardware patterns. Add alternatives to copy between
13228 general and floating-point registers to the 32-bit pattern.
13229 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
13230 secondary reload to load a QI or HI mode constant into a floating
13232 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
13233 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
13235 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
13238 * config/rs6000/darwin.md (load_macho_picbase_si): Add
13240 (load_macho_picbase_di): Likewise.
13242 2006-02-16 Jeff Law <law@redhat.com>
13244 * tree-vrp.c (set_value_range_to_nonnegative): New function.
13245 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
13246 (ssa_name_nonzero_p): Likewise.
13247 (get_value_range): Return NULL if VRP is not running.
13248 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
13249 VRP routines do not discover a range.
13250 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
13251 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
13252 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
13253 (tree_expr_nonnegative_p): Similarly.
13254 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
13255 (restore_nonzero_vars_to_original_value): Remove.
13256 (unsafe_associative_fp_binop): Remove.
13257 (tree_ssa_dominator_optimize): Remove initialization and
13258 finalization of nonzero_vars and nonzero_vars_stack.
13259 (dom_opt_initialize_block): No longer push marker on
13260 nonzero_vars_stack.
13261 (dom_opt_finalize_block): No longer call
13262 restore_nonzero_vars_to_original_value.
13263 (record_equivalences_from_phis): No longer look for
13264 nonzero PHI arguments.
13265 (cprop_into_successor_phis): No longer propagate nonzero
13266 property into PHI arguments. Lose unused argument. Caller
13268 (record_equivalences_from_stmt): No longer record nonzero
13269 values for SSA_NAMEs.
13270 (lookup_avail_expr): No longer use nonzero_vars.
13272 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
13273 for sizetype when sizetype is unsigned.
13275 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
13277 PR rtl-optimization/25603
13278 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
13279 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
13280 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
13281 with new meaning of SETS.
13283 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
13288 * config/linux.opt: New file.
13289 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
13290 LINUX_DYNAMIC_LINKER): Define.
13291 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
13292 * config.gcc (*-*-linux*): Define extra_options.
13293 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
13294 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
13295 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
13296 GLIBC_DYNAMIC_LINKER.
13297 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
13298 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13299 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13300 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13301 * doc/invoke.texi (GNU/Linux Options): New section.
13303 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
13305 * config/sparc/sparc.md (setjmp): Rewrite.
13306 (setjmp_32): Delete.
13307 (setjmp_64): Likewise.
13309 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
13311 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
13314 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
13316 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
13319 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
13321 PR rtl-optimization/26296
13322 * Makefile.in (loop-invariant.c): Add except.h dependency.
13323 * loop-invariant.c: Include except.h.
13324 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
13326 2005-02-16 Paul Brook <paul@codesourcery.com>
13328 * reload1.c (emit_reload_insns): Invalidate dead input registers used
13331 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
13333 PR rtl-optimization/25636
13334 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
13335 when deciding whether an insn is an initializing insn.
13337 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
13339 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
13340 (tree_code_size): Ditto.
13341 * tree.h (struct tree_memory_tag): Remove parent_var.
13342 (struct tree_struct_field_tag): New.
13345 (union tree_node): Add sft member.
13346 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
13348 (create_sft): Add size and offset argument, set SFT_OFFSET and
13350 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
13351 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
13352 * tree-flow-inline.h (get_subvar_at): Update for
13353 SFT_OFFSET/SFT_SIZE.
13354 (var_can_have_subvars): Ditto.
13355 (overlap_subvar): Ditto.
13356 * print-tree.c (print_node): Print out interesting things for
13358 * tree-flow.h (struct subvar): Remove offset and size members.
13359 * tree-ssa-operands.c (get_expr_operands): Update for
13360 get_indirect_ref_operands changes.
13361 (get_indirect_ref_operands): Call add_virtual_operand instead of
13362 add_stmt_operand. Only recurse on base var if requested.
13363 (access_can_touch_variable): New function.
13364 (add_stmt_operand): Split virtual operand handling into ...
13365 (add_virtual_operand): Here. Add offset, size, and for_clobber
13366 arguments. Prune alias sets.
13367 (add_call_clobber_ops): Call add_virtual_operand.
13369 2006-02-15 Jakub Jelinek <jakub@redhat.com>
13371 PR middle-end/26300
13372 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
13374 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
13375 than TREE_CODE as index into omp_clause_num_ops array.
13377 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
13379 PR rtl-optimization/26184
13380 * modulo-sched.c (generate_reg_moves): Free bitmap vector
13382 * modulo-sched.c (sms_schedule): Free g_arr pointer.
13383 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
13384 must_precede, must_follow and tobe_scheduled.
13387 * opts.c (common_handle_option): Free new_option pointer.
13388 * df-core.c (df_analyze): Free postorder pointer.
13390 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
13392 * Makefile.in: Fix the examples about the use of stamps
13394 2006-02-15 Michael Matz <matz@suse.de>
13396 PR middle-end/22275
13398 * stor-layout.c (layout_decl): Zero-width bitfields aren't
13399 influenced by maximum_field_alignment or DECL_PACKED.
13400 (update_alignment_for_field): Ditto.
13401 (place_field): Ditto.
13402 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
13405 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
13407 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
13408 (debug_flow_info): Pass it.
13409 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
13410 * bb-reorder.c (reorder_basic_blocks): Likewise.
13411 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
13412 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
13413 * flow.c (life_analysis, recompute_reg_usage): Likewise.
13414 * gcse.c (gcse_main, bypass_jumps): Likewise.
13415 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
13416 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
13417 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
13418 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
13419 * rtl.h (dump_flow_info): Adjust prototype.
13420 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
13421 * var-tracking.c (variable_tracking_main): Likewise.
13422 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
13423 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
13426 2006-02-15 Marcin Dalecki <martin@dalecki.de>
13428 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
13431 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
13433 PR tree-optimization/26209
13434 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
13435 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
13437 * tree-cfg.c (replace_uses_by): Do not alter cfg.
13439 2006-02-14 Roger Sayle <roger@eyesopen.com>
13441 PR middle-end/23670
13442 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
13443 (X,Y) and the corresponding symmetry related transformations.
13444 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
13445 (X,Y) and its symmetry related transformations.
13447 2006-02-14 Roger Sayle <roger@eyesopen.com>
13449 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
13452 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
13454 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
13456 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
13459 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
13460 support COMDAT group.
13461 * configure: Regenerate.
13463 2006-02-14 Roger Sayle <roger@eyesopen.com>
13465 PR middle-end/26279
13466 PR middle-end/26280
13467 PR middle-end/26283
13468 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
13470 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
13472 Fix PR tree-optimization/26260
13474 * doc/invoke.texi (max-fields-for-field-sensitive): Document
13476 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
13477 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
13478 * tree-ssa-structalias.c (create_variable_info_for): Use
13479 MAX_FIELDS_FOR_FIELD_SENSITIVE.
13481 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
13483 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
13485 * tree-ssa-loop-niter.c (number_of_iterations_ne,
13486 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
13487 of the ending condition.
13488 * tree-ssa-loop-manip.c: Include params.h.
13489 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
13490 tree_unroll_loop): New functions.
13491 * tree-pass.h (pass_loop_prefetch): Declare.
13492 * loop.c (rest_of_handle_loop_optimize): Test for
13493 -fprefetch-loop-arrays-rtl.
13494 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
13495 * timevar.def (TV_TREE_PREFETCH): New timevar.
13496 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
13497 pass_loop_prefetch): New.
13498 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
13499 (cleanup_tree_cfg_loop): Call scev_reset.
13500 * common.opt (fprefetch-loop-arrays-rtl): Add.
13501 * tree-ssa-loop-prefetch.c: New file.
13502 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
13503 (new_temp_expr_table): Initialize expr_vars.
13504 (free_temp_expr_table): Cleanup expr_vars.
13505 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
13506 expressions from being merged into one.
13507 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
13508 (struct tree_niter_desc): Add control, bound and cmp fields.
13509 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
13511 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
13512 (tree-cfgcleanup.o): Add SCEV_H dependency.
13513 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
13514 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
13516 2006-02-14 Richard Guenther <rguenther@suse.de>
13518 PR tree-optimization/26258
13519 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
13520 in PHI argument processing.
13522 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
13524 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
13525 new expression in the requested machine mode.
13527 2006-02-13 Roger Sayle <roger@eyesopen.com>
13529 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
13530 directly, instead let do_compare_rtx_and_jump handle this for us.
13531 * expr.c (expand_expr_real_1): Likewise.
13532 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
13533 before do_jump_by_parts_greater.
13534 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
13535 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
13537 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13539 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
13541 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
13543 PR rtl-optimization/26235
13544 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
13545 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
13548 2006-02-13 Jeff Law <law@redhat.com>
13550 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
13553 2006-02-13 Jakub Jelinek <jakub@redhat.com>
13555 PR middle-end/26092
13556 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
13557 twice if decl is a builtin. When trying again, call get_callee_fndecl
13558 first to verify it is still a builtin.
13560 2006-02-13 Geoffrey Keating <geoffk@apple.com>
13562 * dwarf2out.c (base_type_die): Don't add AT_name here.
13563 (subrange_type_die): Don't add AT_name here.
13564 (modified_type_die): Rearrange code flow. Do add AT_name here.
13566 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
13568 PR rtl-optimization/26247
13569 PR rtl-optimization/26248
13570 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
13572 2006-02-13 Richard Sandiford <richard@codesourcery.com>
13574 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
13575 * config/fixtfdi.c: Likewise.
13576 * config/fixunstfdi.c: Likewise.
13577 * config/floatditf.c: Likewise.
13579 2006-02-13 Roger Sayle <roger@eyesopen.com>
13581 PR middle-end/24427
13582 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
13583 into (X,C2) if C1 is a subset of the bits of C2. Transform
13584 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
13586 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
13588 2006-02-13 Josh Conner <jconner@apple.com>
13591 * varasm.c (function_section): Check for section name before
13592 calling select_section on targets that define
13593 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
13594 unlikely_text_section instead of hot_function_section if
13595 first_function_block_is_cold.
13597 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
13599 PR middle-end/25335
13600 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
13602 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
13604 PR rtl-optimization/26222
13605 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
13606 after tree->rtl expansion.
13607 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
13608 before passing it to emit_move_insn.
13610 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
13612 * doc/invoke.texi (-Write-strings): Document that it is enabled by
13614 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
13615 Clarify documentation.
13616 * c-common.h (warn_write_strings): Remove.
13617 * c-common.c (warn_write_strings): Likewise.
13618 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
13621 2006-02-12 Roger Sayle <roger@eyesopen.com>
13623 PR middle-end/25724
13624 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
13625 (do_jump_parts_zero_rtx): New function renamed from
13626 do_jump_parts_equality_rtx. Made static. Add a mode argument.
13627 (do_jump_parts_equality_rtx): New function split out from
13628 do_jump_parts_equality. Old implementation renamed as above.
13629 Call do_jump_parts_zero_rtx if either operand is zero.
13630 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
13631 do all of the heavy lifting.
13632 (do_compare_rtx_and_jump): Handle multi-word comparisons by
13633 calling either do_jump_by_parts_greater_rtx or
13634 do_jump_by_parts_equality_rtx.
13635 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
13636 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
13637 moved to do_compare_rtx_and_jump, call it directly.
13638 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
13639 mode argument. Call do_compare_rtx_and_jump.
13640 (emit_case_nodes): Update calls to do_jump_if_equal.
13642 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
13644 PR rtl-optimization/26225
13645 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
13647 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
13649 PR rtl-optimization/26232
13650 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
13652 2006-02-11 Jason Merrill <jason@redhat.com>
13655 * tree-inline.c (declare_return_variable): Just don't use the
13656 modify target if it's a gimple complex reg and the return slot
13659 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13661 * doc/contrib.texi: Update my entry.
13663 2006-02-10 Geoffrey Keating <geoffk@apple.com>
13665 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
13667 2006-02-10 Diego Novillo <dnovillo@redhat.com>
13669 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
13672 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
13674 * doc/invoke.texi (-floop-optimize2): Removed.
13675 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
13676 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
13677 Test flag_branch_on_count_reg only if HAVE_doloop_end.
13678 * common.opt (floop-optimize2): Removed.
13679 (fmove-loop-invariants): Enabled by default.
13681 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
13683 * tree-if-conv.c (combine_blocks): Free the result of
13684 get_loop_exit_edges.
13686 2006-02-10 Jeff Law <law@redhat.com>
13688 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
13690 PR tree-optimization/26213
13691 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
13692 loop trying to follow SSA_NAME_VALUE chains.
13694 2006-02-10 Richard Guenther <rguenther@suse.de>
13696 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
13697 deal with structures that end in implicitly variable sized arrays.
13699 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
13701 PR rtl-optimization/24762
13702 * df-scan.c (df_bb_refs_record): Record correct registers defined on
13705 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
13707 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
13708 (struct ivopts_data): Add regs_used field.
13709 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
13710 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
13711 instead of loop_data->regs_used;
13712 (free_loop_data): Do not free aux fields for loops.
13713 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
13714 and tree_ssa_iv_optimize_finalize.
13716 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
13718 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
13720 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
13723 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
13724 computing the effective result type.
13726 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
13728 PR inline-asm/16194
13729 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
13730 (tree_overlaps_hard_reg_set): Declare.
13731 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
13732 type and signature to match function type expected by walk_tree.
13733 (tree_overlaps_hard_reg_set): New function.
13734 (decl_conflicts_with_clobbers_p): Rename to:
13735 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
13736 Use tree_overlaps_hard_reg_set. Changed caller.
13737 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
13738 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
13739 * cris.c (cris_md_asm_clobbers): Likewise.
13741 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
13743 * reload1.c (emit_input_reload_insns): Delete code that tries to
13744 inherit using find_equiv_reg.
13746 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
13748 * c-common.h (flag_const_strings): Don't declare.
13749 * c-common.c (flag_const_strings): Remove.
13750 * c.opt (fconst_strings): Remove.
13751 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
13752 <OPT_Wwrite_strings>: Don't set flag_const_strings.
13753 (c_common_init_options): Don't set flag_const_strings.
13754 * doc/invoke.texi (-fno-const-strings): Remove documentation.
13756 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
13758 * arm.md (tlobits_cbranch): New pattern.
13759 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
13760 testing a single bit.
13762 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
13765 * tree-ssa-pre.c (create_component_ref_by_pieces):
13766 Handle RETURN_DECL like VAR_DECL.
13768 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
13770 PR middle-end/26134
13771 * fold-const.c (fold_indirect_ref_1): Fold
13772 "*(foo *)&complexfoo" to "__real__ complexfoo"
13773 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
13775 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
13777 * tree-flow-inline.h (var_can_have_subvars):
13778 Volatile variables should not have subvariables.
13780 2006-02-09 Diego Novillo <dnovillo@redhat.com>
13783 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
13784 multiplying unsigned values.
13787 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
13789 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
13791 2006-02-08 Jason Merrill <jason@redhat.com>
13794 * tree.def: Elaborate on difference from MODIFY_EXPR.
13795 * doc/c-tree.texi (INIT_EXPR): Likewise.
13796 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
13797 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
13798 (gimplify_target_expr): Likewise.
13799 (gimplify_cond_expr): Remove target handling.
13800 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
13801 (gimplify_expr): Clobber it here.
13802 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
13803 Do return slot optimization if we have an INIT_EXPR.
13806 * tree-inline.c (declare_return_variable): Also clear
13807 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
13810 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
13812 PR middle-end/22439
13813 * gimplify.c (gimplify_one_sizepos): Fix typo.
13815 2006-02-08 Jeff Law <law@redhat.com>
13817 PR tree-optimization/21417
13818 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
13819 across a backedge if the control statement at the end of the
13820 block is data dependent on other statements in the same block.
13821 (record_temporary_equivalences_from_stmts): Remove over-conservative
13822 test for threading across backedges.
13824 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
13825 control statement, handle all three special cases in the same
13826 manner as they all have the same desired solution. No longer
13827 special case edge flag updating when the post dominator is
13830 2006-02-08 Roger Sayle <roger@eyesopen.com>
13832 * tree.def (CHAR_TYPE): Remove.
13833 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
13834 * dwarf2out.c (base_type_die, is_base_type): Likewise.
13835 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
13836 (gen_string_type_die): Delete unreachable function.
13838 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
13839 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
13840 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
13841 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
13842 * builtins.c (type_to_class): Likewise.
13843 * fold-const.c (fold_convert, build_range_check,
13844 merge_ranges): Likewise.
13845 * expr.c (count_type_elements): Likewise.
13846 * c-pretty-print.c (pp_c_type_specifier): Likewise.
13847 * stor-layout.c (layout_type): Likewise.
13848 * ipa-type-escape.c (type_to_consider): Likewise.
13849 * gimplify.c (omp_firstprivatize_type_sizes,
13850 gimplify_type_sizes): Likewise.
13851 * explow.c (promote_mode): Likewise.
13852 * tree-sra.c (is_sra_scalar_type): Likewise.
13853 * varasm.c (output_constant): Likewise.
13854 * tree-inline.c (remap_type_1): Likewise.
13855 * convert.c (convert_to_pointer, convert_to_real,
13856 convert_to_integer, convert_to_complex): Likewise.
13858 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
13860 * df-scan.c (df_def_record_1): A set destination may
13861 be a parallel regardless of mode.
13863 2006-02-08 Roger Sayle <roger@eyesopen.com>
13866 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
13867 * config/mips/_tilib.c: Remove.
13868 * config/fixtfdi.c: New libgcc source file.
13869 * config/fixunstfdi.c: New source file.
13870 * config/floatditf.c: New source file.
13871 * config/floatunditf.c: New souce file.
13872 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
13873 files above instead of config/mips/_tilib.c.
13874 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
13876 2006-02-08 Jeff Law <law@redhat.com>
13878 PR tree-optimization/26169
13879 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
13882 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
13884 * df.h (DF_REG_SIZE): Return the length of the initialized
13887 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
13889 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
13890 __muldf3): Return a correctly signed zero.
13892 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
13894 * passes.c (register_one_dump_file): Accept the current properties
13895 instead of pass number. Adjust call to dump_register. Remove
13897 (register_dump_files): Now a wrapper around...
13898 (register_dump_files_1): ... this one. Do not modify the pass
13900 (next_pass_1): Cosmetic fix.
13901 (execute_todo): Keep second parameter only. Use curr_properties
13902 instead of fetching it from the pass structure. Check and set
13904 (execute_one_pass): Handle TODO_set_props. Use curr_properties
13905 instead of fetching it from the pass structure. Fix calls to
13906 execute_todo. Update curr_properties and initialize .vcg RTL dump
13907 after running the pass. Reset last_verified.
13908 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
13910 (FIRST_AUTO_NUMBERED_DUMP): New.
13911 (dump_register): Remove "num" parameter, assign it within the
13913 (get_dump_file_name): Modify template for dumps.
13914 * tree-dump.h (dump_register): Adjust prototype.
13915 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
13916 (PROP_trees): Add PROP_gimple_lomp.
13917 (TODO_set_props): New.
13918 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
13919 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
13920 * cfgexpand.c (pass_expand): Destroy PROP_trees.
13922 2006-02-08 Jakub Jelinek <jakub@redhat.com>
13924 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
13925 (sparc64-*-linux*): Likewise.
13926 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
13927 * config/sparc/t-linux: New file.
13928 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
13929 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
13930 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
13931 -m32 -mlong-double-128.
13933 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
13934 * config/alpha/t-linux: New file.
13935 * config/alpha/libgcc-alpha-ldbl.ver: New file.
13937 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
13938 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
13939 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
13940 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
13941 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
13942 (CPP_ARCH32_SPEC): Remove.
13944 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
13946 PR tree-optimization/26145
13947 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
13950 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13953 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
13954 >= 240000 when generating code for SOM runtime.
13955 (output_indirect_call): Don't use "b,l" instruction for indirect calls
13956 to $$dyncall when generating code for SOM runtime..
13958 2006-02-07 Dirk Mueller <dmueller@suse.com>
13961 * doc/invoke.texi (-Wsequence-point): Update documentation
13962 that -Wsequence-point is implemented for C++ as well.
13964 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
13966 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
13967 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
13968 (LIB_SPEC): Likewise.
13969 * doc/invoke.texi (SPARC options): Document -pthread.
13971 2006-02-07 Geoffrey Keating <geoffk@apple.com>
13973 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
13976 2006-02-07 Roger Sayle <roger@eyesopen.com>
13978 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
13979 Correct comment describing BOOLEAN_TYPE.
13981 2006-02-07 Dirk Mueller <dmueller@suse.com>
13983 * c.opt: C++ frontend supports -Wdiv-by-zero.
13984 * c-opts.c (c_common_handle_option): Remove dead case.
13986 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
13988 * configure.ac (TLS assembler check): Do not enable TLS by
13989 default on SPARC/Solaris before version 10.
13990 * configure: Regenerate.
13992 2006-02-07 David Edelsohn <edelsohn@gnu.org>
13994 * doc/invoke.texi (xl-compat): Document conversion and support
13997 2006-02-07 Jeff Law <law@redhat.com>
13999 * tree-vrp.c (find_conditional_asserts): Update comments.
14000 (simplify_stmt_for_jump_threading): New.
14001 (identify_jump_threads, finalize_jump_threads): New.
14002 (vrp_finalize): Call identify_jump_threads.
14003 (execute_vrp): Call finalize_jump_threads.
14004 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
14005 (vrp_element, vrp_data, vrp_element_p): Remove.
14006 (vrp_hash_elt, vrp_variables_stack): Remove.
14007 (vrp_hash, vrp_eq, record_range): Remove.
14008 (simplify_cond_and_lookup_avail_expr): Remove.
14009 (extract_range_from_cond): Remove.
14010 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
14011 (simplify_stmt_for_jump_threading): New.
14012 (dom_thread_across_edge): New wrapper.
14013 (tree_ssa_dominator_optimize): No longer initialize or
14014 finalize any of the VRP datastructures. Remove iteration
14015 step and simplify as a result of removal of iteration step.
14016 (pass_dominator): Perform a cfg cleanup after DOM.
14017 (dom_opt_finalize_block): Use the new common routines
14018 for threading jumps. Simplify stack management slightly.
14019 No longer need to unwind VRP state.
14020 (record_equivalences_from_incoming_edge): No longer record
14022 (eliminate_redundant_computations): No longer call
14023 simplify_cond_and_lookup_avail_expr.
14024 * tree-flow.h (potentially_threadable_block): Prototype.
14025 (thread_across_edge): Likewise.
14026 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
14027 (tree-ssa-threadedge.o): Add dependencies.
14028 * tree-ssa-threadedge.c: New file.
14029 * passes.c (init_optimization_passes): Merge PHIs before
14030 calling VRP. Run VRP again late in the SSA optimization pipeline.
14032 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
14034 * df-core.c (df_set_blocks): Do not dereference function pointers.
14035 (df_finish1): Likewise.
14036 (df_hybrid_search_forward): Likewise.
14037 (df_hybrid_search_backward): Likewise.
14038 (df_iterative_dataflow): Likewise.
14039 (df_analyze_problem): Likewise.
14040 (df_compact_blocks): Likewise.
14041 (df_dump): Likewise.
14042 * df-scan.c (df_rescan_blocks): Likewise.
14043 (df_record_entry_block_defs): Likewise.
14045 * genconditions.c (write_conditions): Guard the definition of
14046 'insn_conditions' with the check on GCC version.
14047 (write_writer): Guard the traversal 'insn_conditions' with
14048 the check on GCC version.
14050 2006-02-07 Richard Guenther <rguenther@suse.de>
14054 2006-01-30 Richard Guenther <rguenther@suse.de>
14056 * gimplify.c (gimplify_target_expr): Handle easy cases
14057 without creating a temporary.
14059 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
14061 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
14062 use of float in probability computations. Use edge probabilities
14063 in place of statically computed probabilities.
14064 (min_spec_prob): New static variable.
14065 (schedule_insns): Initialize it.
14066 (GET_SRC_PROB): Removed.
14067 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
14069 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
14072 * config/ia64/unwind-ia64.c: Revert last change.
14073 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
14074 (INCOMING_FRAME_SP_OFFSET): Define.
14076 2006-02-06 Roger Sayle <roger@eyesopen.com>
14078 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
14080 2006-02-07 Ben Elliston <bje@au.ibm.com>
14082 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
14083 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
14084 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
14085 (ix86_return_in_memory): Handle TDmode.
14086 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
14087 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
14089 2006-02-06 Richard Sandiford <richard@codesourcery.com>
14091 * reorg.c (dbr_schedule): Use dump_file instead of file.
14093 2006-02-06 Steve Ellcey <sje@cup.hp.com>
14096 * config/ia64/predicates.md (extr_len_operand): New predicate.
14097 * config/ia64/ia64.md (extv): Tighten constraints.
14099 (*tbit_and_2): Ditto.
14100 (*tbit_and_3): Ditto.
14101 (*tbit_or_2): Ditto.
14102 (*tbit_or_3): Ditto.
14103 (*bit_zero): Ditto.
14106 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
14109 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
14111 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
14113 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
14114 loop_optimizer_init and loop_optimizer_finalize
14115 * tree-ssa-sink.c (execute_sink_code): Ditto.
14116 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
14117 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
14118 tree_ssa_loop_done): Ditto.
14119 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
14120 * sched-ebb.c: Include output.h.
14121 (schedule_ebbs): Do not use dump argument.
14122 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
14123 * loop.c (loop_dump_stream): Removed.
14124 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
14126 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
14127 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
14128 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
14129 loop_iterations, strength_reduce, record_biv, record_giv,
14130 final_giv_value, check_final_value, check_ext_dependent_givs,
14131 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
14132 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
14133 dump_file instead of loop_dump_stream.
14134 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
14135 argument dump_file.
14136 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
14138 * flow.c (life_analysis, rest_of_handle_life): Ditto.
14139 * haifa-sched.c: Include output.h
14140 (schedule_insns, sched_init): Do not use dump argument.
14141 * mode-switching.c (optimize_mode_switching): Ditto.
14142 * modulo-sched.c (stats_file): Removed.
14143 (print_node_sched_params): Do not call argument dump_file.
14144 (sms_schedule_by_order, loop_canon_p, sms_schedule,
14145 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
14147 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
14149 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
14150 rtl_loop_init, rtl_loop_done): Ditto.
14151 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
14152 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
14154 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
14155 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
14156 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
14157 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
14158 * emit-rtl.c (renumber_insns): Ditto.
14159 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
14160 expand_gimple_basic_block, tree_expand_cfg): Ditto.
14161 * regclass.c (regclass): Ditto.
14162 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
14163 remove_ssa_form, rewrite_out_of_ssa): Ditto.
14164 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
14165 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
14167 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
14168 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
14170 * gcse.c (gcse_file, debug_stderr): Removed.
14171 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
14172 rest_of_handle_gcse): Do not use dump argument.
14173 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
14174 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
14175 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
14176 compute_code_hoist_vbeinout, compute_code_hoist_data,
14177 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
14178 compute_store_table, build_store_vectors, insert_insn_start_bb,
14179 insert_store, remove_reachable_equiv_notes, replace_store_insn,
14180 store_motion): Use dump_file instead of gcse_file.
14181 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
14182 * profile.c (profile_dump_file): Removed.
14183 (branch_prob): Use dump_file instead of profile_dump_file.
14184 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
14186 * tree-ssa-copy.c (dump_copy_of): Ditto.
14187 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
14188 dump file to life_analysis.
14189 * bt-load.c (branch_target_load_optimize): Ditto.
14190 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
14192 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
14193 regclass, dbr_schedule): Declaration changed.
14194 * sched-int.h (sched_init): Declaration changed.
14195 * tree-profile.c (tree_profile_dump_file): Removed.
14196 (tree_profile_hooks): Removed profile_dump_file hook.
14197 * rtl-profile (rtl_profile_dump_file): Removed.
14198 (rtl_profile_hooks): emoved profile_dump_file hook.
14199 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
14201 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
14202 * tree-cfg.c (build_tree_cfg): Ditto.
14203 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
14204 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
14205 Declaration changed.
14206 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
14207 life_analysis and schedule_insns.
14208 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
14210 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
14212 * config/mips/mips.c (mips_reorg): Ditto.
14213 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
14216 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
14218 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
14219 (s390_mangle_fundamental_type): New.
14220 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
14223 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
14224 (alpha_mangle_fundamental_type): New.
14225 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
14228 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
14230 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
14232 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
14233 (sparc_mangle_fundamental_type): New.
14235 2006-02-06 Jakub Jelinek <jakub@redhat.com>
14237 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
14238 (s390x-*-linux*): Likewise.
14239 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
14240 * config/s390/t-linux: New file.
14242 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
14244 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
14245 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
14247 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
14249 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
14250 (ANTIC_SAFE_LOADS): New macro.
14251 (find_or_generate_expression): Add prototype.
14252 (set_contains_value): Allow null set for sake of not always having
14253 to allocate ANTIC_SAFE_LOADS.
14254 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
14255 Allow COMPONENT_REF too.
14256 (valid_in_set): Allow COMPONENT_REF.
14257 Check ANTIC_SAFE_LOADS too.
14258 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
14259 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
14261 (can_PRE_operation): Add COMPONENT_REF.
14262 (create_component_ref_by_pieces): New function.
14263 (create_expression_by_pieces): Use create_component_ref_by_pieces.
14264 (insert_aux): Move AGGREGATE_TYPE_P check here.
14265 (compute_avail): Set bb local stmt uids.
14266 (pass_pre): Use TODO_update_ssa_only_virtuals.
14268 2006-02-06 Ben Elliston <bje@au.ibm.com>
14270 * configure.ac: Unconditionally disable decimal float by default.
14271 * configure: Regenerate.
14273 2006-02-06 Ben Elliston <bje@au.ibm.com>
14275 * read-rtl.c (read_name): Terminate reading on EOF.
14277 2006-02-06 Ben Elliston <bje@au.ibm.com>
14279 * dfp.c (decimal_real_arithmetic): Change second argument type
14280 from int to enum tree_code. Do not always return true, but now
14281 return result of any call to decimal_do helper functions.
14282 * dfp.h (decimal_real_arithmetic): Update prototype.
14284 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
14286 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
14288 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
14291 * tree-cfg.c (cleanup_dead_labels): Also don't remove
14294 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
14296 * tree-vrp.c (cfg_loops): Removed.
14297 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
14298 Use current_loops instead of cfg_loops. Pass flags to
14299 loop_optimizer_init.
14300 * cfgloopmanip.c (fix_loop_structure): Update only available
14302 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
14303 loop_optimizer_init.
14304 * modulo-sched.c (build_loops_structure): Removed.
14305 (sms_schedule): Use loop_optimizer_init.
14306 * loop-init.c (loop_optimizer_init): Use flags to determine
14307 which properties of loops to prepare.
14308 (rtl_loop_init): Pass flags to loop_optimizer_init.
14309 * tree-ssa-sink.c (execute_sink_code): Ditto.
14310 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
14311 * tree-ssa-pre.c (init_pre): Ditto.
14312 * cfgloop.h (LOOPS_NORMAL): New.
14313 (loop_optimizer_init): Declaration changed.
14315 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14317 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
14318 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
14320 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
14322 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
14324 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
14325 * pa/t-pa64: Delete quadlib.c rule.
14326 * pa/x-ada: Revert last change.
14327 * pa/t-pa: Revert last change. Delete quadlib.c rule.
14329 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
14331 PR rtl-optimization/26087
14332 * rtlanal.c (canonicalize_condition): Do not cross basic block
14335 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
14338 * config/ia64/ia64.c: Include debug.h.
14339 (MAX_ARTIFICIAL_LABEL_BYTES): New.
14340 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
14341 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
14342 (process_epilogue, process_set, process_for_unwind_directive):
14343 Output unwind info only if requested. Add CFA info if requested.
14344 Add new arguments as needed. Adjust callers.
14345 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
14347 (DWARF2_FRAME_INFO): Define to zero.
14348 * config/ia64/unwind-ia64.c: Remove code that compensated for
14349 the CFA offset error fixed above.
14350 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
14351 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
14352 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
14353 -funwind-tables and -fexceptions to enable frame info.
14354 (dwarf2out_frame_init): Define initial CFA even if
14355 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
14356 DWARF2_UNWIND_INFO is nonzero, not just defined.
14357 (dwarf2out_frame_finish): Output non-EH call frame info only
14358 if DWARF2_FRAME_INFO is nonzero.
14359 (convert_cfa_to_loc_list,
14360 compute_frame_pointer_to_cfa_displacement): Define even if
14361 unwind info is not supported.
14362 (gen_subprogram_die): Use the above unconditionally. Remove
14363 legacy alternate code.
14364 * toplev.c (compile_file): Compile in call to
14365 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
14366 (lang_dependent_init): Ditto for dwarf2out_frame_init.
14368 2006-02-04 David Edelsohn <edelsohn@gnu.org>
14369 Jakub Jelinek <jakub@redhat.com>
14371 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
14372 IBM extended float format long double as "g" on powerpc*-linux.
14374 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14377 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
14378 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
14380 2006-02-03 Jason Merrill <jason@redhat.com>
14383 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
14385 PR middle-end/25977
14386 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
14387 on the return slot if it's an NRV.
14389 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
14391 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
14392 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
14393 rewrite_use): Do not handle USE_OUTER.
14394 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
14395 add_iv_outer_candidates, may_replace_final_value,
14396 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
14397 (find_interesting_uses_op): Functionality of
14398 find_interesting_uses_outer_or_nonlin moved here.
14399 (find_interesting_uses_outside): Use find_interesting_uses_op.
14401 2006-02-03 Alan Modra <amodra@bigpond.net.au>
14404 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
14406 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
14407 Ulrich Weigand <uweigand@de.ibm.com>
14410 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
14411 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
14412 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
14413 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
14415 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
14416 (s390_rtx_costs): Use the new fields to calculate rtx costs.
14417 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
14418 Define secondary reloads for TFmode moves.
14419 (constant_modes): Add TFmode.
14420 (NR_C_MODES): Set to 8.
14421 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
14423 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
14424 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
14425 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
14426 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
14427 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
14428 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
14429 (FPR mode macro): Add TFmode.
14430 (DSF mode macro): New.
14431 (<de>, <dee> mode attributes): Removed.
14432 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
14433 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
14434 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
14435 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
14436 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
14437 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
14438 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
14439 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
14440 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
14441 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
14442 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
14443 "*negabs<mode>2", "sqrt<mode>2"):
14444 Changed <de> to <xde>. R constraint replaced by <Rf>.
14445 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
14447 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
14448 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
14449 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
14451 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
14452 "extenddftf2", "extendsftf2"): New expanders.
14453 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
14454 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
14455 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
14456 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
14458 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
14459 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
14460 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
14461 __floatditf): Add a GCC_4.1.0 symbol version tag.
14462 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
14465 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
14468 * config/i386/i386.c (ix86_function_ok_for_sibcall):
14469 Use targetm.binds_local_p instead of TREE_PUBLIC.
14471 2006-02-02 Roger Sayle <roger@eyesopen.com>
14473 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
14474 on INTEGER_TYPEs to indicate that it denotes a character type.
14475 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
14476 signed_char_type_node, unsigned_char_type_node and char_type_node.
14477 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
14478 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
14479 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
14481 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
14482 Daniel Berlin <dberlin@dberlin.org>
14484 * tree-tailcall.c (arg_needs_copy_p): New function.
14485 (eliminate_tail_call): Use arg_needs_copy_p.
14486 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
14487 (add_virtual_phis): New function.
14489 2006-02-02 Jakub Jelinek <jakub@redhat.com>
14491 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
14492 #ignore instead of #scratch for %g7 .register directive.
14494 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
14496 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
14499 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
14501 * flow.c (calculate_global_regs_live): Assert that there aren't any
14504 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
14506 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
14507 what its name says.
14508 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
14509 bsi_after_labels iterator.
14510 * tree-if-conv.c (find_phi_replacement_condition,
14511 replace_phi_with_cond_modify_expr): Likewise.
14512 * tree-scalar-evolution.c (scev_const_prop): Likewise.
14513 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
14515 2006-02-02 Diego Novillo <dnovillo@redhat.com>
14517 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
14519 2006-02-02 Diego Novillo <dnovillo@redhat.com>
14522 * tree-cfg.c (move_block_to_fn): Clear out the basic block
14523 array after growing it.
14525 2006-02-01 Steve Ellcey <sje@cup.hp.com>
14527 PR middle-end/24901
14528 * fold-const.c (fold_checksum_tree): Change type of buf.
14530 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
14532 * reload.c (push_secondary_reload): Initialize t_icode.
14534 2006-02-01 Jakub Jelinek <jakub@redhat.com>
14536 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
14537 -msoft-float -mlong-double-128 only issue a warning, but don't
14538 swich to DFmode long double.
14540 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
14542 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
14543 has a constant equivalent, iterate over equivalents for arg0,
14544 calling simplify_relational_operation and if there's a result
14545 cheaper than X, apply fold_rtx and return the result.
14547 2006-02-01 Jan Hubicka <jh@suse.cz>
14549 * opts.c (no_unit_at_a_time_default): New global variable.
14550 (decode_options): Use it.
14551 * opts.h (no_unit_at_a_time_default): Declare.
14553 2006-02-01 Paul Brook <paul@codesourcery.com>
14555 * function.c (assign_parm_setup_reg): Use function argument promotion
14557 * expr.c (expand_expr_real_1): Use function argument promotion rules
14560 2006-02-01 Steve Ellcey <sje@cup.hp.com>
14562 * gcc.c (process_command): Change j to 'unsigned int'.
14564 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
14566 PR middle-end/26001
14567 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
14568 Use the corrected index for the character
14569 out of the string constant.
14571 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
14573 * mode-switching.c (optimize_mode_switching): Fix size
14574 allocated for bb_info[n_entities].
14576 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
14578 * gcc.c (main): Correct type that is allocated for
14579 explicit_link_files.
14581 2006-01-31 Jakub Jelinek <jakub@redhat.com>
14583 * config/s390/s390.c (init_alignment_context): Set
14584 ALIAS_SET_MEMORY_BARRIER on the MEM.
14585 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
14587 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
14589 PR middle-end/25933
14590 * loop-unroll.c (unroll_loop_runtime_iterations): Free
14592 * tree-ssa-live.c (type_var_init): Allocate bitmap after
14595 2006-01-31 Marcin Dalecki <martin@dalecki.de>
14597 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
14598 * regrename.c: Ditto.
14599 * tree-ssa-loop-im.c: Ditto.
14600 * tree-dump.c: Ditto.
14601 * tree-complex.c: Ditto.
14602 * genrecog.c: Ditto.
14603 * tree-ssa-threadupdate.c: Ditto.
14605 * java/class.c: Ditto.
14606 * java/jcf-parse.c: Ditto.
14607 * java/resource.c: Ditto.
14608 * java/except.c: Ditto.
14609 * java/jvspec.c: Ditto.
14610 * java/jcf-write.c: Ditto.
14611 * java/jcf-path.c: Ditto.
14612 * java/gjavah.c: Ditto.
14613 * java/zextract.c: Ditto.
14614 * java/jcf-io.c: Ditto.
14615 * java/jcf.h: Ditto.
14616 * java/buffer.c: Ditto.
14617 * java/lang.c: Ditto.
14618 * java/parse-scan.y: Ditto.
14619 * java/lex.c: Ditto.
14620 * java/lex.h: Ditto.
14621 * cfgloopmanip.c: Ditto.
14622 * postreload-gcse.c: Ditto.
14623 * tree-ssa-loop-manip.c: Ditto.
14624 * postreload.c: Ditto.
14625 * tree-ssa-loop-ch.c: Ditto.
14628 * cppspec.c: Ditto.
14629 * diagnostic.c: Ditto.
14631 * genoutput.c: Ditto.
14633 * cfghooks.c: Ditto.
14634 * cfgloopanal.c: Ditto.
14635 * objc/objc-act.c: Ditto.
14637 * genextract.c: Ditto.
14638 * genautomata.c: Ditto.
14639 * pretty-print.c: Ditto.
14640 * genemit.c: Ditto.
14641 * cgraphunit.c: Ditto.
14643 * df-scan.c: Ditto.
14644 * haifa-sched.c: Ditto.
14645 * dominance.c: Ditto.
14647 * tree-ssa-loop-ivopts.c: Ditto.
14648 * df-core.c: Ditto.
14649 * mode-switching.c: Ditto.
14650 * modulo-sched.c: Ditto.
14652 * ipa-pure-const.c: Ditto.
14654 * fix-header.c: Ditto.
14656 * tree-stdarg.c: Ditto.
14657 * ipa-utils.c: Ditto.
14658 * loop-init.c: Ditto.
14659 * ipa-inline.c: Ditto.
14660 * cfganal.c: Ditto.
14662 * alloc-pool.c: Ditto.
14663 * dwarf2out.c: Ditto.
14665 * genattrtab.c: Ditto.
14666 * tree-ssa-loop-ivcanon.c: Ditto.
14667 * predict.c: Ditto.
14668 * timevar.c: Ditto.
14670 * fortran/gfortranspec.c: Ditto.
14671 * regmove.c: Ditto.
14672 * local-alloc.c: Ditto.
14673 * langhooks.c: Ditto.
14674 * function.c: Ditto.
14675 * tree-vectorizer.c: Ditto.
14677 * ipa-type-escape.c: Ditto.
14679 * tree-if-conv.c: Ditto.
14680 * profile.c: Ditto.
14682 * tree-data-ref.c: Ditto.
14683 * loop-unroll.c: Ditto.
14684 * treelang/treetree.c: Ditto.
14686 * bt-load.c: Ditto.
14687 * ggc-common.c: Ditto.
14689 * coverage.c: Ditto.
14691 * tree-cfgcleanup.c: Ditto.
14692 * tree-ssa-pre.c: Ditto.
14693 * cfgcleanup.c: Ditto.
14694 * loop-invariant.c: Ditto.
14695 * loop-iv.c: Ditto.
14696 * ipa-prop.c: Ditto.
14697 * print-tree.c: Ditto.
14698 * conflict.c: Ditto.
14699 * ggc-page.c: Ditto.
14700 * sched-deps.c: Ditto.
14701 * regclass.c: Ditto.
14702 * tree-object-size.c: Ditto.
14703 * combine.c: Ditto.
14704 * bb-reorder.c: Ditto.
14705 * resource.c: Ditto.
14706 * var-tracking.c: Ditto.
14707 * cfgloop.c: Ditto.
14708 * df-problems.c: Ditto.
14709 * reg-stack.c: Ditto.
14711 * gccspec.c: Ditto.
14712 * sched-rgn.c: Ditto.
14713 * tree-ssa-structalias.c: Ditto.
14714 * tree-ssa-reassoc.c: Ditto.
14715 * config/darwin-c.c: Ditto.
14716 * config/darwin.c: Ditto.
14717 * config/arm/arm.c: Ditto.
14719 * collect2.c: Ditto.
14720 * reload1.c: Ditto.
14722 2006-01-31 Nicolas Pitre <nico@cam.org>
14724 * arm.md (smaxsi3): Make aware of smax_m1.
14727 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
14729 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
14731 2006-01-31 Richard Guenther <rguenther@suse.de>
14733 * doc/invoke.texi (-msselibm): Document.
14734 * target.h (expand_library_builtin): New target hook.
14735 * builtins.c (expand_builtin): Use expand_library_builtin.
14736 (default_expand_library_builtin): New function.
14737 * gcc.c (LINK_GCC_MATH_SPEC): Define.
14738 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
14739 (link_gcc_math_spec): Declare.
14740 (static_specs): Add link_gcc_math_spec.
14741 * expr.h (default_expand_library_builtin): Declare.
14742 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
14743 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
14744 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
14745 * config/i386/i386.opt (msselibm): New target option.
14746 * config/i386/i386.c (ix86_builtin_function_variants): New array.
14747 (ix86_init_sse_abi_builtins): New function.
14748 (ix86_expand_library_builtin): Likewise.
14749 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
14750 (override_options): Handle error conditions wrt -msselibm.
14751 (ix86_builtins): Add function codes for SSE2 ABI builtins.
14752 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
14753 * doc/extend.texi (__builtin_sse2_*): Document new target specific
14756 2006-01-31 Richard Guenther <rguenther@suse.de>
14757 Paolo Bonzini <bonzini@gnu.org>
14759 * doc/install.texi (--disable-libgcc-math): Document.
14761 2006-01-30 Marcin Dalecki <martin@dalecki.de>
14763 * expr.h (expand_normal): new inline function.
14764 * builtins.c: use it, use EXPAND_NORMAL explicitely.
14765 * dojump.c: use it.
14766 * dwarf2out.c: use it.
14769 * expmed.c: use it.
14770 * except.c: use it.
14771 * config/sparc/sparc.c: use it.
14772 * config/i386/i386.c: use it.
14773 * config/rs6000/rs6000.c: use it.
14774 * config/arm/arm.c: use it.
14775 * config/mips/mips.c: use it.
14776 * stmt.c: use it, use EXPAND_NORMAL explicitely.
14778 2006-01-30 Roger Sayle <roger@eyesopen.com>
14780 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
14781 argv to the appropriate type.
14783 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
14785 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
14788 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
14791 * config/s390/s390.c (struct machine_function): New flag
14792 decomposed_literal_pool_addresses_ok_p.
14793 (s390_reorg): Set it before final stage of literal pool transforms.
14794 (s390_decompose_address): Only accept displacements of the form
14795 (minus (label_ref ...) (label_ref ...)) if that flag is set.
14797 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
14799 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
14800 the comparison routine return.
14802 2006-01-30 Michael Matz <matz@suse.de>
14804 * global.c (find_reg): Only evict for global regs.
14805 Take n_refs into account and dump more info.
14807 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
14810 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
14811 (pragma_trap, pragma_nosave_low_regs): Likewise.
14812 (current_function_anonymous_args): Likewise.
14813 (sh_deferred_function_attributes): New variable.
14814 (sh_deferred_function_attributes_tail): Likewise.
14815 (print_operand): For '@', look up trap_exit attribute.
14816 (calc_live_regs): Look up trapa_handler attribute. For trapa
14817 handlers, save/restore fpscr, but don't do any other
14818 interrupt-specific saves.
14819 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
14820 Fix check for partially saved registers to check for SHmedia.
14821 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
14822 (sh_output_function_epilogue): Don't clear any of the removed
14824 (sh_insert_attributes): Don't check pragma_interrupt.
14825 Insert deferred attributes. Check that interrupt attribute is
14826 present for other attributes that require its presence.
14827 (sh_attribute_table): Add new attributes trapa_handler and
14829 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
14830 Don't check for pragma_interrupt. Don't store argument.
14831 * sh.h (pragma_interrupt, sp_switch): Don't declare.
14832 (sh_deferred_function_attributes): Declare.
14833 (sh_deferred_function_attributes_tail): Likewise.
14834 * sh.md (sp_switch_1): Add operand. Change generator caller.
14835 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
14836 (*return_i): Don't use when trap_exit attribute is in effect.
14837 (*return_trapa): New insn pattern.
14838 * sh-c.c: New file.
14839 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
14840 setting c_target_objs and cxx_target_objs.
14841 * t-sh: Add rule for sh-c.o.
14843 2006-01-30 Richard Guenther <rguenther@suse.de>
14846 * gimplify.c (gimplify_target_expr): Handle easy cases
14847 without creating a temporary.
14849 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
14851 * vec.h (safe_grow): Remove duplicated line.
14853 2006-01-29 Diego Novillo <dnovillo@redhat.com>
14856 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
14857 (expand_omp): ... here.
14858 (expand_omp_parallel): Only remove barriers for combined
14859 parallel+workshare constructs.
14861 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
14865 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
14866 * tree.c (build_qualified_type): Chain the new type to the original
14867 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
14868 a POINTER_TYPE or a REFERENCE_TYPE respectively.
14869 (build_pointer_type_for_mode): Only return unqualified types.
14870 (build_reference_type_for_mode): Likewise.
14872 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
14874 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
14875 * Makefile.in (CXX_COMPAT_WARN): Define.
14876 * configure: Regenerate.
14878 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
14881 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
14884 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
14886 * toplev.c: Fix thinko.
14888 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
14889 Marcin Dalecki <martin@dalecki.de>
14891 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
14892 (push_srcloc): Use XNEW.
14893 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
14895 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
14897 * df-core.c (df_set_blocks): Deleted all variable.
14899 2006-01-28 Ian Lance Taylor <ian@airs.com>
14901 * cgraphunit.c (cgraph_assemble_pending_functions): Call
14902 cgraph_output_pending_asms.
14904 2006-01-28 Zack Weinberg <zackw@panix.com>
14906 * c.opt: Add -W(no-)overlength-strings.
14907 * doc/invoke.texi: Document it.
14908 * c-opts.c (c_common_handle_option): -pedantic implies
14909 -Woverlength-strings, if not explicitly disabled already.
14910 (c_common_post_options): -Woverlength-strings defaults to off, and
14911 is always off for C++.
14912 * c-common.c (fix_string_type): Issue warning about strings longer
14913 than is portable only if warn_overlength_strings. Rearrange code
14914 a little for clarity.
14915 * configure.in: Check for -Wno-overlength-strings as well before
14916 enabling -pedantic in stage 1.
14917 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
14918 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
14920 * genconditions.c (write_header, write_one_condition)
14921 (write_conditions, write_writer): Consolidate very long strings
14922 that were broken up to fit in C89 portable limit. Don't use
14923 printf when fputs will do.
14925 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
14927 * combine.c (simplify_comparison <AND>): Check
14928 TRULY_NOOP_TRUNCATION before start using a subreg.
14930 * config/mips/mips.md (*branch_zero<mode>,
14931 *branch_zero<mode>_inverted, *branch_equality<mode>,
14932 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
14933 Remove mode check from comparisons.
14935 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
14937 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
14939 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
14941 * expmed.c (const_mult_add_overflow_p): Remove.
14942 * expr.h: Remove the prototype for const_mult_add_overflow_p.
14944 * recog.c (validate_replace_rtx_subexp): Remove.
14945 * recog.h: Remove the prototype for
14946 validate_replace_rtx_subexp.
14948 * integrate.h: Remove the prototype for
14949 copy_decl_for_inlining.
14950 * rtl.h: Remove the prototype for mark_constant_function.
14951 * tree-vectorizer.h: Remove the prototype for
14952 vect_strip_conversion.
14954 * modulo-sched.c (create_partial_schedule,
14955 free_partial_schedule, reset_partial_schedule): Make them
14958 * hooks.c (hook_bool_rtx_int_false): Remove.
14959 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
14961 2006-01-28 David Edelsohn <edelsohn@gnu.org>
14963 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
14964 and -mlong-double-128 are incompatible.
14965 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
14966 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
14967 (TARGET_LIBGCC2_CFLAGS): Define.
14968 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
14969 (TARGET_LIBGCC2_CFLAGS): Same.
14970 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
14972 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
14975 * c-typeck.c (build_binary_op): Perform implicit casts of
14976 operands before shortening them.
14978 * cfgloopmanip.c (split_loop_bb): Remove.
14979 * cfgloop.h: Remove the prototype for split_loop_bb.
14981 * cfgloop.c (flow_loop_outside_edge_p): Remove.
14982 * cfgloop.h: Remove the prototype for
14983 flow_loop_outside_edge_p.
14985 * emit-rtl.c (init_virtual_regs): Make it static.
14986 * function.h: Remove the prototype for init_virtual_regs.
14988 * recog.c (peephole2_optimize): Make it static.
14989 * recog.h: Remove the prototype for peephole2_optimize.
14991 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
14993 * df-scan.c (df_record_entry_block_defs): Check if
14994 INCOMING_RETURN_ADDR_RTX is defined.
14996 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
14997 Kenneth Zadeck <zadeck@naturalbridge.com>
14999 PR rtl-optimization/24762
15000 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
15001 * targhooks.c (hook_void_bitmap): New hook prototype.
15002 * targhoohs.h (hook_void_bitmap): Ditto.
15003 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
15004 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
15005 * target.h (live_on_entry): New function pointer.
15006 * df-scan.c (df_all_hard_regs): Removed.
15007 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
15008 (df_scan_free_internal): Added df->entry_block_defs.
15009 (df_scan_alloc): Ditto.
15010 (df_scan_dump): Ditto.
15011 (df_uses_record): Plumbed flag field properly thru calls.
15012 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
15013 This part fixes PR24762.
15014 (df_bb_refs_record): Added code to make the frame and arg
15015 pointers live in EH blocks.
15016 (df_refs_record): Added call to df_record_entry_block_defs.
15017 (df_record_entry_block_defs): New function.
15018 * df-core.c: Added comments to describe new artifical defs.
15019 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
15020 (entry_block_defs): New field in struct df.
15021 (df_all_hard_regs): Deleted.
15022 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
15023 * df-problems.c (df_ru_bb_local_compute_process_def):
15024 Added code to handle artifical defs in the entry to a function.
15025 (df_ru_bb_local_compute): Ditto.
15026 (df_rd_bb_local_compute_process_def): Ditto.
15027 (df_rd_bb_local_compute): Ditto.
15028 (df_lr_bb_local_compute): Ditto.
15029 (df_ur_bb_local_compute): Ditto.
15030 (df_urec_bb_local_compute): Ditto.
15031 (df_chain_create_bb): Ditto.
15032 (df_ur_local_finalize): Removed entry.
15033 (df_urec_init): Ditto.
15034 (df_urec_local_finalize): Ditto.
15035 (df_ri_bb_compute): Added detection of last use of pseudos.
15036 * Makefile.in (df-scan.o): Updated dependencies.
15037 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
15038 * config/mips/mips.c (mips_set_live_on_entry): Added.
15039 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
15041 * dce.c (marked_insn_p): Added code to handle artifical defs.
15043 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
15045 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
15047 (_mm_cvtsi128_si64): Likewise.
15048 (_mm_cvtsd_si64): Likewise.
15049 (_mm_cvttsd_si64): Likewise.
15050 (_mm_cvtsi64_sd): Likewise.
15051 (_mm_cvtsi64_si128): Likewise.
15052 * config/i386/mmintrin.h (_m_from_int64): Likewise.
15053 (_mm_cvtsi64_m64): Likewise.
15054 (_m_to_int64): Likewise.
15055 (_mm_cvtm64_si64): Likewise.
15056 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
15057 (_mm_cvttss_si64): Likewise.
15058 (_mm_cvtsi64_ss): Likewise.
15059 (_mm_cvtss_f32): Likewise.
15061 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
15063 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
15064 for pragma redefine_extname.
15066 2006-01-27 Jakub Jelinek <jakub@redhat.com>
15069 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
15070 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
15071 -mno-minimal-toc to previous content.
15072 (bispecs): Remove goal.
15073 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
15074 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
15075 compatibility aliases on powerpc-*-*gnu*.
15076 * config/rs6000/libgcc-ppc-glibc.ver: New file.
15077 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
15078 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
15079 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
15080 (ldblspecs): New goal.
15081 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
15082 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
15084 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
15085 L_sf_to_tf or L_df_to_tf is defined.
15087 2006-01-27 David Edelsohn <edelsohn@gnu.org>
15088 Alan Modra <amodra@bigpond.net.au>
15091 * config/rs6000/linux.h (POWERPC_LINUX): Define.
15092 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
15093 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
15094 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
15095 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
15096 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
15097 (rs6000_override_options): Initialize rs6000_ieeequad.
15098 Initialize TFmode format to ibm_extended_format if not
15100 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
15102 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
15103 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
15104 (function_arg_advance): IBM long double passed in two FPRs, not
15106 (function_arg): IBM long double passed in FPRs.
15107 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
15108 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
15109 Only multireg GPR aligned.
15110 (rs6000_init_libfuncs): Enable IBM long double functions if not
15112 (rs6000_generate_compare): Use IBM long double compare if not
15114 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
15115 (TARGET_IEEEQUAD): Define.
15116 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
15117 not TARGET_IEEEQUAD.
15118 * config/rs6000/rs6000.md: Enable TFmode patterns if
15120 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
15121 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
15122 and -mlong-double-128 are incompatible.
15123 * doc/invoke.texi (-mabi): Collect options together. Add
15124 ibmlongdouble and ieeelongdouble.
15126 2006-01-27 Richard Sandiford <richard@codesourcery.com>
15128 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
15130 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
15131 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
15132 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
15133 * rtl.h (rtunion_def): Remove rt_ptr.
15135 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
15136 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
15137 * config/i386/winnt.c (i386_pe_mark_dllexport)
15138 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
15140 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
15142 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
15144 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
15148 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
15149 pthread_key_delete. From John David Anglin. gthrw-ify
15150 pthread_getunique_np only if it it's not a macro. Delete
15152 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
15153 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
15154 __gthread_objc_condition_signal, __gthread_key_delete): Add
15155 "__attribute__ ((__unused__))" to unused arguments.
15156 (__gthread_recursive_mutex_init_function): Add missing return.
15157 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
15158 gthr-posix95.h: Use macro-based approach for name redirection
15159 on targets missing weakref.
15161 2006-01-26 Zack Weinberg <zackw@panix.com>
15163 * genconditions.c (write_header): In generated code, #ifdef out
15164 all includes and fake declarations, except includes of bconfig.h
15165 and system.h, unless GCC_VERSION >= 3001. Do not include
15166 gensupport.h in any case.
15167 (write_conditions): Generate a definition of struct c_test. Add
15168 a comment to the generated #endif.
15169 (write_one_condition): Escape backslashes in string too.
15170 (write_writer): Generated code must escape backslashes and quote
15171 marks (but not newlines) in the strings it writes.
15172 * Makefile.in (build/gencondmd.o): Update dependencies.
15174 2006-01-26 Steve Ellcey <sje@cup.hp.com>
15177 * Makefile.in (insn-automata.o): Add header file dependencies.
15178 * genautomata.c: Add includes.
15180 2006-01-26 Steve Ellcey <sje@cup.hp.com>
15183 * Makefile.in (insn-automata.o): Add -Wno-error flag.
15185 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
15187 * configure.ac: Expect target tools paths to be passed from the toplevel
15188 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
15190 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
15192 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
15195 * c.opt (Wpointer-sign): Init to -1.
15196 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
15197 OPT_pedantic, to 0 otherwise.
15198 * doc/invoke.texi: Update.
15200 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
15202 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
15203 constants provided by 80387 instructions in the destination mode.
15205 2006-01-26 Richard Guenther <rguenther@suse.de>
15206 Andrew Pinski <pinskia@physics.uc.edu>
15209 partial PR tree-opt/17064
15210 * tree-ssa-structalias.c (intra_create_variable_infos):
15211 Create heap variables for incoming parameters if
15212 flag_argument_noalias > 1.
15213 (find_what_p_points_to): Look through default defs of
15216 2006-01-26 Jeff Law <law@redhat.com>
15219 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
15220 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
15221 within the VR_RANGE, use the VR_RANGE as the result, not the
15223 (adjust_range_with_scev): Reject ranges from SCEV which are out of
15224 bounds for the type.
15226 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
15228 * tree-ssa-alias.c (maybe_create_global_var): Change
15229 subvar walking to an assertion that we don't have subvar'd variables.
15231 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
15234 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
15235 Use a new variable, inner. PARM_DECLs are always non-weak.
15237 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
15239 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
15240 --disable-checking.
15242 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
15244 * config/mips/mips.md (*clear_upper32): New combiner pattern.
15246 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
15248 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
15249 (smax_insn, smin_insn, smax_0, smin_0): New.
15251 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
15254 * config/cris/cris.c (cris_order_for_addsi3): New function.
15255 * config/cris/cris-protos.h: Prototype it.
15256 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
15257 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
15258 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
15259 (split for "op.S1 [rx=rx+i],ry (swapped)")
15260 (split for "op(s|u).S1 [rx=rx+i],ry")
15261 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
15262 Apply cris_order_for_addsi3 when generating addsi3 insns.
15264 2006-01-25 Diego Novillo <dnovillo@redhat.com>
15266 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
15267 (TREE_BLOCK): Add call to EXPR_CHECK.
15269 2006-01-25 Diego Novillo <dnovillo@redhat.com>
15272 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
15273 * tree-pretty-print.c (dump_omp_clause): Extract from ...
15274 (dump_omp_clauses): ... here.
15275 (dump_generic_node): Handle OMP_CLAUSE.
15276 * tree.c (omp_clause_num_ops): New.
15277 (omp_clause_code_name): New.
15278 (tree_code_size): Handle OMP_CLAUSE.
15279 (tree_size): Likewise.
15280 (make_node): Document handling of OMP_CLAUSE.
15281 (tree_node_structure): Handle OMP_CLAUSE.
15282 (omp_clause_check_failed): New.
15283 (omp_clause_range_check_failed): New.
15284 (omp_clause_operand_check_failed): New.
15285 (build_omp_clause): New.
15286 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
15287 * tree.h (enum omp_clause_code): Declare.
15288 (OMP_CLAUSE_SUBCODE_CHECK): Define.
15289 (OMP_CLAUSE_RANGE_CHECK): Define.
15290 (OMP_CLAUSE_ELT_CHECK): Define.
15291 (omp_clause_check_failed): Declare.
15292 (omp_clause_operand_check_failed): Declare.
15293 (omp_clause_range_check_failed): Declare.
15294 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
15295 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
15296 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
15297 (OMP_CLAUSE_LASTPRIVATE): Likewise.
15298 (OMP_CLAUSE_IF_EXPR): Likewise.
15299 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
15300 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
15301 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
15302 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
15303 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
15304 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
15305 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
15306 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
15307 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
15308 (OMP_CLAUSE_CODE): Define.
15309 (OMP_CLAUSE_SET_CODE): Define.
15310 (OMP_CLAUSE_CODE): Define.
15311 (OMP_CLAUSE_OPERAND): Define.
15312 (struct tree_omp_clause): Declare.
15313 (union tree_node): Add field 'omp_clause'.
15314 * treestruct.def (TS_OMP_CLAUSE): Define.
15315 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
15316 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
15317 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
15318 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
15319 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
15320 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
15321 (OMP_CLAUSE): Define.
15322 * print-tree.c (print_node): Handle OMP_CLAUSE.
15323 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
15324 * c-typeck.c: Likewise.
15325 * gimplify.c: Likewise.
15326 * c-omp.c: Likewise.
15327 * tree-nested.c: Likewise.
15328 * tree-inline.c: Likewise.
15329 * c-parser.c: Likewise.
15330 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
15333 2006-01-25 Roger Sayle <roger@eyesopen.com>
15335 PR rtl-optimization/25703
15336 * combine.c (try_combine): Handle zero_extract and strict_low_part
15337 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
15339 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
15341 * global.c: Fix comment typos.
15343 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
15346 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
15347 Use output_addr_const instead of assemble_name.
15349 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
15351 * Makefile.in (sched-vis.o): Update dependencies.
15352 * haifa-sched.c (sched_finish): Clear current_sched_info.
15353 * cfg.c (dump_bb_info): New, split from dump_flow_info.
15354 (dump_flow_info): Call it.
15355 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
15357 * basic-block.h (dump_bb_info): Declare.
15358 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
15359 option, and apply options only for dump files whose TDF_RTL,
15360 TDF_TREE, or TDF_IPA bits match.
15361 * rtl.h: Declare new functions exported from sched-vis.c.
15362 * sched-vis.c: Enable also if scheduling is not used.
15363 (print_value): Print the mode of registers if not inside scheduling.
15364 (print_insn): Make it work outside the scheduler. Beautify the output
15366 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
15368 2006-01-25 Richard Sandiford <richard@codesourcery.com>
15370 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
15371 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
15372 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
15373 depending on the value of CONSTANT_POOL_ADDRESS_P.
15374 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
15376 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
15377 rather than SYMBOL_REF_DECL.
15378 (rtx_constant_pool): Remove const_rtx_sym_htab.
15379 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
15380 (init_varasm_status): Don't initialize const_rtx_sym_htab.
15381 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
15382 Remove handling of const_rtx_sym_htab.
15383 (find_pool_constant): Delete.
15384 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
15385 rather than find_pool_constant.
15386 (get_pool_constant_for_function): Delete.
15387 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
15388 find_pool_constant.
15389 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
15390 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
15391 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
15392 (SYMBOL_REF_CONSTANT): New macro.
15393 (get_pool_constant_for_function): Delete.
15394 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
15395 rather than SYMBOL_REF_DECL.
15396 (i386_pe_mark_dllimport): Likewise.
15397 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
15398 rather than SYMBOL_REF_DECL.
15399 * config/darwin.c (machopic_indirect_data_reference): Likewise.
15400 (machopic_indirect_call_target): Likewise.
15402 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
15404 * flow.c (delete_noop_moves): Add missing EOL to dump message.
15406 2006-01-25 Richard Sandiford <richard@codesourcery.com>
15408 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
15410 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
15412 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
15414 2006-01-24 David Daney <ddaney@avtrex.com>
15417 * configure.ac (enable_tls): New enable option.
15418 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
15419 * configure: Regenerate.
15420 * doc/install.texi (--enable-tls): Document new option.
15421 (--disable-tls): Ditto.
15423 2006-01-24 Richard Henderson <rth@redehat.com>
15425 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
15426 * alias.c (true_dependence): Respect it.
15427 (canon_true_dependence, write_dependence_p): Likewise.
15428 * builtins.c (get_builtin_sync_mem): Set it.
15430 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
15432 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
15435 2006-01-24 DJ Delorie <dj@redhat.com>
15437 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
15438 for storing constants in single-bit bitfields.
15440 2006-01-25 Ben Elliston <bje@au.ibm.com>
15442 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
15444 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
15447 * tree-ssa-pre.c (phi_translate): Return NULL
15448 for AGGREGATE_TYPE's.
15450 2006-01-24 Zack Weinberg <zackw@panix.com>
15452 * genautomata.c (process_state_for_insn_equiv_partition):
15453 Use xcalloc for insn_arcs_array.
15454 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
15455 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
15457 2006-01-24 Richard Henderson <rth@redhat.com>
15459 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
15460 update all callers.
15462 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
15464 PR rtl-optimization/25890
15465 PR rtl-optimization/25905
15466 * combine.c (expand_compound_operation, expand_field_assignment):
15467 Fail if the bitfield's final position is out of bounds.
15469 2006-01-24 Ian Lance Taylor <ian@airs.com>
15471 PR middle-end/25930
15472 * cgraphunit.c (cgraph_output_in_order): Don't clear
15473 cgraph_asm_nodes until after asm strings have been output.
15475 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
15477 * fix-header.c (read_scan_file): Add new parameter imultilib when
15478 calling register_include_chains.
15480 2006-01-23 Diego Novillo <dnovillo@redhat.com>
15482 * omp-low.c: Update documentation.
15484 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
15485 Daniel Berlin <dberlin@dberlin.org>
15489 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
15490 return from the function.
15492 2006-01-22 Zack Weinberg <zackw@panix.com>
15494 * rtl.def (match_code): Add second argument.
15495 * genpreds.c (write_extract_subexp): New function.
15496 (write_match_code): Add path argument. Use write_extract_subexp.
15497 (write_predicate_expr): Pass path to write_match_code.
15498 (mark_mode_tests): MATCH_CODE applied to a subexpression does
15499 not perform a mode test.
15500 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
15501 a subexpression does not constrain the top-level code set.
15502 * read-rtl.c (read_rtx_variadic): New function.
15503 (read_rtx_1): Use it; allow AND and IOR to be variadic.
15504 * doc/md.texi: Document new notation.
15505 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
15506 (cmpsi_operand): ... here, using new notation.
15508 2006-01-22 Zack Weinberg <zackw@panix.com>
15510 * varray.c: Remove GENERATOR_FILE #ifdefs.
15512 2006-01-22 Zack Weinberg <zackw@panix.com>
15514 * genautomata.c (output_reserved_units_table): Emit nothing if
15515 description->query_units_num is zero. Remove extra blank line.
15516 (output_cpu_unit_reservation_p): Short circuit
15517 if description->query_units_num is zero.
15519 2006-01-22 Zack Weinberg <zackw@panix.com>
15521 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
15522 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
15523 nor any of the random handful of variables that used to be necessary
15524 when this program was linked with rtlanal.o. Prune set of forward
15525 function declarations.
15526 (struct attr_desc): Remove static_p field.
15527 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
15528 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
15529 (attr_string): Do not read the character one past the length of
15531 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
15532 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
15533 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
15534 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
15535 (make_automaton_attrs): New.
15536 (main): Do not call into genautomata. Call local gen_bypass
15537 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
15538 Remove special case for insn_alts.
15539 * genautomata.c: Include gensupport.h; not genattrtab.h nor
15540 varray.h (leftover from previous change). Prune set of forward
15541 function declarations. Remove state_alts fields from all
15542 structures. Remove state_alts_table from struct automaton.
15543 Make everything except main static. Do not maintain num_dfa_decls.
15544 Do not maintain state_alts fields of various structures.
15545 (process_decls): Don't validate condexp for dm_insn_reserv decls.
15546 (add_arc): Remove state_alts argument. All callers updated.
15547 (output_reserved_units_table): Emit #ifdef here...
15548 (output_tables): ...not here. Don't generate state_alts tables.
15549 (expand_automata): Don't generate attributes.
15550 (write_automata): Don't generate state_alts functions.
15551 (main): New function.
15552 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
15553 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
15554 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
15555 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
15556 (BYPASS_P_FUNC_NAME, output_state_alts_table)
15557 (output_automata_list_state_alts_code, output_internal_state_alts_func)
15558 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
15559 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
15561 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
15562 * genattrtab.h: Delete file.
15563 * Makefile.in (OBJS-common): Add insn-automata.o.
15564 (insn-automata.o): New rule.
15565 (simple_generated_c): Add insn-automata.c.
15566 (build/genattrtab.o, build/genautomata.o): Update dependencies.
15567 (genprogmd): Add automata.
15568 (build/genattrtab): Needs no extra objects nor libraries.
15569 (build/genautomata): Needs build/vec.o and -lm.
15571 2006-01-22 Zack Weinberg <zackw@panix.com>
15573 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
15574 (output_dfa_max_issue_rate, locked_states_num): Delete.
15575 (struct automaton): Add locked_states field.
15576 (output_dead_lock_vect): Save number of locked states in
15577 automaton->locked_states. If it is zero, don't print anything.
15578 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
15579 (output_internal_dead_lock_func): Only test the dead_lock_vect
15580 for automata that have locked states.
15581 (output_statistics): Always print the number of locked states for
15582 each automaton. Calculate total number of locked states here.
15583 (write_automata): Don't call output_dfa_max_issue_rate.
15584 * genattrtab.c: Define length_unit_log as a const variable.
15585 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
15586 max_insn_queue_index const.
15587 * final.c (length_unit_log): Declare const.
15588 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
15590 2006-01-22 Zack Weinberg <zackw@panix.com>
15592 * genautomata.c: Include vec.h, not varray.h.
15593 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
15594 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
15595 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
15596 VEC_* macros operating on appropriately typed vectors, or to
15597 malloced arrays when the size is known in advance. Const-ify
15598 many char* variables and function arguments. No functional changes.
15599 * Makefile.in (build/varray.o): Delete rule.
15600 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
15601 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
15603 2006-01-22 Zack Weinberg <zackw@panix.com>
15605 * gensupport.c: Define get_insn_name and record_insn_name here.
15606 (read_md_rtx): Call record_insn_name as appropriate.
15607 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
15608 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
15609 * genpreds.c, genrecog.c: Don't define get_insn_name nor
15611 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
15612 (BUILD_VARRAY): Delete.
15613 (genprognormal): Rename genprogmd. Fold in all programs from
15614 genprognoprint; also attrtab.
15615 (build/genattrtab): Just mention genautomata.o and varray.o.
15616 Reorganize a bit, add comments to make the categories clearer.
15618 2006-01-22 Zack Weinberg <zackw@panix.com>
15620 * genconditions.c (condition_table, add_condition): Delete.
15621 (write_conditions): Don't emit n_insn_conditions nor
15622 insn_elision_unavailable. Issue the gcc version #ifdef here,
15623 inside the table, with no #else clause ...
15624 (write_header): ...not here.
15625 (write_writer): New function.
15626 (main): Don't initialize condition_table. Use add_c_test.
15628 * gensupport.c (init_md_reader_args_cb): Handle multiple input
15629 files on the command line.
15630 (maybe_eval_c_test): Don't check insn_elision_unavailable.
15631 Return -1 if there is no entry in the table, don't abort.
15632 (add_c_test, traverse_c_tests): New functions.
15633 * gensupport.h (insn_elision_unavailable, insn_conditions)
15634 (n_insn_conditions): Delete declarations.
15635 (add_c_test, traverse_c_tests): Declare.
15636 * read-rtl.c: Include gensupport.h.
15637 (read_conditions): New function.
15638 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
15639 (read_rtx_1): If we get EOF when we were looking for an initial
15640 open paren, return 0. Call read_conditions when appropriate.
15641 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
15642 dummy-conditions.o. Eliminate references to insn-conditions.o,
15643 or change them to build/gencondmd.o, as appropriate. Remove
15644 insn-constants.h from $(simple_generated_h) and insn-conditions.c
15645 from $(simple_generated_c). For all files remaining in those
15646 two lists, add insn-conditions.md to the generator command line.
15647 Give insn-constants.h/s-constants their own rules. Add rules
15648 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
15649 (build/read-rtl.o): Depend on gensupport.h.
15650 (genprognormal): Include preds.
15651 (genprogearly): Rename genprognoprint; only difference is now that
15652 they don't link with $(BUILD_PRINT).
15653 * dummy-conditions.c: Delete.
15655 2006-01-22 Zack Weinberg <zackw@panix.com>
15657 * genextract.c: Don't include insn-config.h. Do include vec.h.
15658 Declare vectors of int, char, and locstr.
15659 (locstr): New typedef.
15660 (struct extraction): Make all array fields into bare pointers.
15661 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
15662 (insn_code_number): Delete.
15663 (accum_extract): New struct.
15664 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
15665 (gen_insn): Take insn_code_number as an argument. Use an
15666 accum_extract structure instead of loading data directly into
15667 a struct extraction, and having to know how big it might get.
15668 (walk_rtx): Operate entirely on an accum_extract structure.
15669 (print_path): Avoid unnecessary use of printf.
15670 (print_header): New function, split out of main. Distinguish
15671 more carefully between an unrecognizable insn and an insn that
15672 has the code number of a define_expand.
15673 (main): Pass insn_code_number to gen_insn. Call print_header
15674 only after parsing. Avoid unnecessary use of printf.
15675 * Makefile.in (build/vec.o): New rule.
15676 (build/genextract): Depend on build/vec.o.
15677 (build/genextract.o): Don't depend on insn-config.h.
15679 2006-01-22 Zack Weinberg <zackw@panix.com>
15681 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
15682 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
15683 practical. Eliminate per-generator-program link rules.
15685 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
15687 PR middle-end/24437
15688 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
15689 with a call expr to ...
15690 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
15692 2006-01-23 Richard Guenther <rguenther@suse.de>
15694 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
15695 before make_edge with conditional EDGE_TRUE_VALUE.
15697 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
15698 Jan Hubicka <jh@suse.cz>
15699 Richard Guenther <rguenther@suse.de>
15701 PR rtl-optimization/25654
15702 * cfgexpand.c (aggregate_contains_union_type): New function.
15703 (add_alias_set_conflicts): Call it. Make sure to add conflicts
15704 for structure variables that contain a union type.
15706 2006-01-23 Richard Sandiford <richard@codesourcery.com>
15708 * gengtype.c (new_structure): Return the structure.
15709 (create_option): Add an extra "next" argument.
15710 (create_field): New function.
15711 (adjust_field_rtx_def): Use create_option and create_field.
15712 Remove a now-unnecessary call to find_structure.
15713 (adjust_field_tree_def): Likewise.
15714 (note_yacc_type): Remove an unnecessary call to find_structure.
15715 * gengtype.h (new_structure): Return the structure.
15716 (create_option): Add an extra argument.
15717 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
15718 (option): Adjust calls to create_option.
15720 2006-01-22 David Edelsohn <edelsohn@gnu.org>
15722 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
15724 2006-01-22 Paul Brook <paul@codesourcery.com>
15725 Peter Barada <peter@the-baradas.com>
15727 * config/m68k/m68k.md: Add Coldfire FPU support.
15728 Define FP mode macro and associated attributes.
15729 Use it for float mode patterns.
15730 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
15731 (LIBCALL_VALUE): Use m68k_libcall_value.
15732 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
15733 (m68k_function_value): Ditto.
15734 (emit_move_sequence): Ditto.
15735 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
15736 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
15737 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
15738 (MULTILIB_EXCEPTIONS): Ditto.
15739 * config/m68k/m68k.opt: Add mcfv4e.
15740 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
15741 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
15742 (m68k_output_function_prologue): Save ColdFire FPU registers.
15743 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
15744 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
15745 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
15746 ColdFire FPU registers.
15747 (m68k_libcall_value, m68k_function_value): New functions.
15748 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
15749 (LIBCALL_VALUE): Use m68k_libcall_value.
15750 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
15751 (MASK_COLDFIRE): Add MASK_CFV4E.
15752 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
15753 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
15754 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
15755 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
15756 (GO_IF_LEGITIMATE_ADDRESS): Use it.
15757 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
15758 * doc/invoke.tex: Document -mcfv4e on m68k.
15760 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
15762 * doc/contribute.texi: Change CVS to SVN and update the corresponding
15765 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
15768 * c-opts.c (c_common_handle_option): Don't include
15769 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
15770 * doc/invoke.texi (C++ Dialect Options): Document that
15771 -Wnon-virtual-dtor is no longer included in -Wall.
15773 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
15775 * gcov.c (print_version), gcov-dump.c (print_version),
15776 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
15779 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
15781 * df-scan.c (problem_SCAN): Added NULL reset function.
15782 (df_scan_reset_blocks): Added code to call reset block function
15783 (df_bb_refs_delete) Fixed comment.
15784 (df_insn_refs_delete): Made tolerant of deleting non existent info
15785 for dataflow problems that need to be reset.
15786 * df-core.c (df_set_blocks): Ditto.
15787 * df.h (struct df_problem): Added reset_fun.
15788 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
15789 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
15790 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
15791 functions to clear out all references to def-use or use-def chains.
15793 2006-01-21 Ben Elliston <bje@au.ibm.com>
15795 * varasm.c (assemble_real): Initialise data array.
15797 2006-01-20 Paul Brook <paul@codesourcery.com>
15799 Merge from csl-arm-branch.
15800 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
15801 * config/arm/arm.md (movdi): Force operands[1] to a register
15802 if we have a non-register source.
15803 (*arm_movdi, *movdf_soft_insn): Require that one of the
15804 operands be a register.
15805 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
15806 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
15808 2006-01-20 DJ Delorie <dj@redhat.com>
15810 * varasm.c (initializer_constant_valid_p): Allow pointers
15811 initialized from integer constants of lesser precision.
15812 (output_constant): Allow non-int-sized pointer modes to be
15813 initialized from integer constants.
15815 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
15818 * cppdefault.h (struct default_include): Add multilib flag.
15819 * cppdefault.c (cpp_include_defaults): Set it.
15820 * c.opt (-imultilib): New option.
15821 * c-opts.c (imultilib): New.
15822 (c_common_handle_option): Handle -imultilib.
15823 (c_common_post_options): Likewise.
15824 * c-incpath.c (add_standard_paths, register_include_chains):
15826 * c-incpath.h (register_include_chains): Add extra parameter.
15827 * gcc.c (do_spec_1): Generate -imultilib option.
15828 (The Specs Language): Update %I description.
15829 (process_command): Update copyright notice.
15830 * doc/cppopts.texi (-imultilib): Document.
15831 * doc/invoke.texi (-imultilib): Include in option summary.
15832 (%I): Update specs documentation.
15834 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
15836 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
15838 2006-01-20 Richard Sandiford <richard@codesourcery.com>
15840 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
15843 2006-01-20 Richard Guenther <rguenther@suse.de>
15844 Steven Bosscher <stevenb.gcc@gmail.com>
15846 PR rtl-optimization/24626
15847 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
15848 EDGE_TRUE_VALUE if in RTL mode.
15851 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
15852 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
15854 2006-01-20 Dirk Mueller <dmueller@suse.com>
15857 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
15858 instead of a special NOP marker.
15859 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
15860 NOP marker handling.
15861 * c-common.h (empty_body_warning): Add forward declaration.
15862 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
15863 Now uses IS_EMPTY_STMT() instead of special NOP markers.
15865 2006-01-20 Paul Brook <paul@codesourcery.com>
15867 * Makefile.in (lang_checks): Keep going if mkdir fails.
15869 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
15871 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
15872 be able to clean out basic block when not necessary.
15873 (df_scan_free): Fixed to properly delete information if df is
15874 unused before calling df_finish.
15875 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
15876 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
15878 (df_bb_refs_delete): New function.
15879 (df_refs_delete): Moved per block code to df_bb_refs_delete.
15880 * df-core.c (df_set_blocks): Added code to properly clean out
15881 unused blocks if they are not part of the blocks to consider.
15882 Added additional null check.
15883 (df_compact_blocks): Added basic block parameter to free_bb_fun to
15884 be able to clean out basic block when not necessary
15885 * df.h (df_free_bb_function): Ditto.
15886 (df_bb_refs_delete): New function.
15887 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
15888 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
15889 basic block parameter to be able to clean out basic block when not
15891 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
15892 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
15893 Fixed to properly delete information if df is unused before
15896 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
15898 PR rtl-optimization/25799
15899 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
15900 Corrected confluence operator to remove bits from op2 before oring
15901 with op1 rather than removing bits from op1.
15902 (df_ru_transfer_function): Corrected test on wrong bitmap which
15903 caused infinite loop. Both of these problems were introduced in
15904 the dataflow rewrite.
15906 2006-01-19 DJ Delorie <dj@redhat.com>
15908 * reload1.c (find_reload_regs): Note the details of reload
15909 failures in the dump file.
15910 (spill_failure): Likewise.
15912 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
15914 * loop-iv.c: Include df.h and hashtab.h.
15915 (enum iv_grd_result): New enum.
15916 (DF_REF_IV, DF_REF_IV_SET): New macros.
15917 (struct biv_entry): New.
15918 (df, bivs): New global variables.
15919 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
15920 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
15922 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
15923 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
15924 analyzed_for_bivness_p, record_biv): New functions.
15925 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
15926 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
15927 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
15929 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
15931 (iv_number_of_iterations): Use new interface to iv analysis.
15932 * loop-unroll.c: Do not include varray.h.
15933 (analyze_iv_to_split_insn): Use new interface to iv
15935 * loop-unswitch.c (may_unswitch_on): Ditto.
15936 * df.c (df_bitmaps_free): Only work for bbs for that structures are
15938 (df_bb_modify): Realloc tables to the new index.
15939 (df_find_use): New function.
15940 * df.h (df_find_use): Declare.
15941 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
15943 * cfgloop.h (struct rtx_iv): Remove analysed field.
15944 (iv_get_reaching_def): Removed.
15945 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
15946 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
15947 (loop-iv.o): Add df.h and hashtab.h dependency.
15948 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
15950 2006-01-20 Alan Modra <amodra@bigpond.net.au>
15953 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
15955 (__floatundisf, __floatundidf): Likewise.
15956 * libgcc2.h (IS_IBM_EXTENDED): Define.
15958 2006-01-19 DJ Delorie <dj@redhat.com>
15960 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
15962 2006-01-19 Paul Brook <paul@codesourcery.com>
15964 * config/arm/arm.c (arm_compute_func_type): Treat all functions
15965 as nothrow when unwinding tables are disabled.
15967 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15970 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
15971 of bit-field" when in system header.
15973 2006-01-19 DJ Delorie <dj@redhat.com>
15975 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
15976 the 16 bit shift limit of the m16c.
15978 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
15981 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
15982 * config/i386/i386.c (output_set_got): Output the label if we have one
15983 for the TARGET_DEEP_BRANCH_PREDICTION case.
15985 2006-01-19 Jan Hubicka <jh@suse.cz>
15986 H.J. Lu <hongjiu.lu@intel.com>
15987 Evandro Menezes <evandro.menezes@amd.com>
15989 * invoke.texi (generic): Document
15991 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
15992 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
15993 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
15994 (x86_use_incdec, x86_pad_returns): New variables
15995 (TARGET_CPU_DEFAULT_generic): New constant
15996 (TARGET_CPU_DEFAULT_NAMES): Add generic.
15997 (enum processor_type): Add generic32 and generic64.
15998 * i386.md (cpu attribute): Add generic32/generic64
15999 (movhi splitter): Behave sanely when both partial_reg_dependency and
16000 partial_reg_stall are set.
16001 (K8 splitters): Enable for generic as well.
16002 * predicates.md (incdec_operand): Use TARGET_INCDEC
16003 (aligned_operand): Avoid memory mismatch stalls.
16004 * athlon.md: Enable for generic64, new patterns for 128bit moves.
16005 * ppro.md: Enable for generic32
16006 * i386.c (generic64_cost, generic32_cost): New.
16007 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
16008 (x86_use_leave): Enable for generic64. (x86_use_sahf,
16009 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
16010 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
16011 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
16012 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
16013 x86_partial_reg_dependency, x86_memory_mismatch_stall,
16014 x86_accumulate_outgoing_args, x86_prologue_using_move,
16015 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
16016 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
16017 Enable for generic.
16018 (x86_use_incdec, x86_pad_returns): New.
16019 (override_options): Add generic32 and generic64, translate "generic"
16020 to generic32/generic64 and "i686" to "generic32", refuse
16021 "generic32"/"generic64" as arch target.
16022 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
16023 (ix86_reorg): Honor PAD_RETURNS.
16025 2006-01-19 Diego Novillo <dnovillo@redhat.com>
16027 * tree-pretty-print.c (dump_generic_node): Handle
16028 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
16029 * cgraph.c (cgraph_expand_queue): Rename from
16030 cgraph_analyze_queue. Update all users.
16031 * cgraphunit.c (cgraph_assemble_pending_functions): Process
16032 cgraph_expand_queue.
16033 (cgraph_expand_all_functions): Likewise.
16034 (cgraph_finalize_pending_functions): Remove. Update callers.
16036 * tree.h (OMP_DIRECTIVE_P): Define.
16037 (OMP_PARALLEL_FN): Define.
16038 (OMP_PARALLEL_DATA_ARG): Define.
16039 (OMP_SECTIONS_SECTIONS): Define.
16040 * tree-pass.h (pass_expand_omp): Declare.
16041 * omp-low.c (struct omp_region): Declare.
16042 (struct omp_context): Remove fields 'parallel_type',
16043 'parallel_start_ix' and 'parallel_start_additional_args'.
16045 (struct omp_for_data): Rename from struct expand_omp_for_data.
16046 (omp_regions): New static variable.
16047 (root_omp_region): New static variable.
16048 (find_omp_clause): Make static.
16049 (is_in_combined_parallel_ctx): Remove.
16050 (is_combined_parallel): New.
16051 (extract_omp_for_data): Move earlier in the file.
16052 (workshare_safe_to_combine_p): New.
16053 (get_ws_args_for): New.
16054 (determine_parallel_type): Move earlier in the file.
16055 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
16057 (omp_copy_decl): Likewise.
16058 (create_omp_child_function): Likewise.
16059 (lookup_omp_region): New.
16060 (dump_omp_region): New.
16061 (debug_omp_region): New.
16062 (debug_all_omp_regions): New.
16063 (new_omp_region): New.
16064 (scan_omp_parallel): If parallel_nesting_level > 1, the
16065 directive is nested within another parallel directive.
16066 Set OMP_PARALLEL_FN.
16067 (scan_omp_for): Do not try to handle combined parallel+for
16069 Remove FIXME comment.
16070 (scan_omp_nested): Remove.
16071 (scan_omp_1): Do not call scan_omp_nested when
16072 parallel_nesting_level is > 1.
16073 Do not change the DECL_CONTEXT of local variables found.
16074 (lookup_decl_in_outer_ctx): New.
16075 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
16076 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
16077 (lower_reduction_clauses): Rename from expand_reduction_clauses.
16078 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
16079 If CTX is nested, lookup VAR in the outer context when
16080 building copy assignment.
16081 (lower_send_clauses): Rename from expand_send_clauses.
16082 If CTX is nested, lookup VAR in the outer context when
16083 building copy assignments.
16084 (lower_send_shared_vars): Rename from expand_send_shared_vars.
16085 If CTX is nested, lookup VAR in the outer context when
16086 building copy assignments.
16087 (expand_parallel_call): Rename from build_parallel_call.
16088 Handle combined parallel+workshare cases.
16089 Re-implement to emit code into the CFG.
16091 (expand_omp_parallel): Re-implement to emit code into the CFG.
16092 Call move_sese_region_to_fn to outline the sub-graph
16093 containing the parallel region.
16094 (expand_omp_for_1): Remove.
16095 (expand_omp_for_generic): Re-implement to emit code into the
16097 (expand_omp_for_static_nochunk): Likewise.
16098 (expand_omp_for_static_chunk): Likewise.
16099 (expand_omp_for): Likewise.
16100 (expand_omp_sections): Likewise.
16101 (remove_exit_barriers): New.
16102 (expand_omp_synch): New.
16104 (build_omp_regions_1): New.
16105 (build_omp_regions): New.
16106 (execute_expand_omp): New.
16107 (gate_expand_omp): New.
16108 (pass_expand_omp): Define.
16109 (lower_omp_sections): Rename from expand_omp_sections.
16110 Set OMP_SECTIONS_SECTIONS.
16111 (lower_omp_single_simple): Rename from expand_omp_single_simple.
16112 (lower_omp_single_copy): Rename from expand_omp_single_copy.
16113 (lower_omp_single): Rename from expand_omp_simple.
16114 (lower_omp_master): Rename from expand_omp_master.
16115 (lower_omp_ordered): Rename from expand_omp_ordered.
16116 (lower_omp_critical): Rename from expand_omp_critical.
16117 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
16118 (lower_omp_for): Re-implement.
16119 (lower_omp_parallel): Re-implement.
16120 (lower_regimplify): Rename from expand_regimplify.
16121 (lower_omp_1): Rename from expand_omp_1.
16122 If there are syntax errors in the program, replace every
16123 OpenMP directive with NOP.
16124 Call lower_omp_* instead of expand_omp_*.
16125 (lower_omp): Rename from expand_omp.
16127 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
16128 * tree-gimple.h (enum omp_parallel_type): Remove.
16129 (gimple_boolify): Declare extern.
16130 (find_omp_clause, determine_parallel_type): Remove.
16132 * gimple-low.c (lower_omp_directive): New.
16133 (lower_stmt): Call it.
16134 (record_vars_into): Move from ...
16135 (record_vars): ... here.
16136 Call record_vars_into with current_function_decl.
16138 * gimplify.c (struct gimplify_ctx): Remove fields
16139 combined_pre_p and combined_ctxp. Update users.
16140 (get_formal_tmp_var): Add documentation.
16141 (gimple_boolify): Make extern.
16142 (gimplify_expr_in_ctx): Remove. Update callers.
16143 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
16144 will always be a BIND_EXPR.
16145 (gimplify_expr): Handle OMP_RETURN_EXPR.
16146 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
16147 (OMP_PARALLEL): Add 3 operands.
16148 (OMP_SECTIONS): Add 1 operand.
16149 (OMP_RETURN_EXPR): Define.
16151 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
16152 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
16153 * tree-iterator.c (alloc_stmt_list): Assert that we are not
16154 creating a circular free list.
16155 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
16157 * tree-flow.h (move_sese_region_to_fn): Declare.
16158 (record_vars_into): Declare.
16159 * tree-cfg.c (make_omp_sections_edges): New.
16160 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
16161 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
16162 OMP_SECTIONS and OMP_SECTION.
16163 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
16164 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
16165 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
16166 (gather_blocks_in_sese_region): New.
16167 (struct move_stmt_d): Declare.
16168 (move_stmt_r): New.
16169 (move_block_to_fn): New.
16170 (move_sese_region_to_fn): New.
16172 * passes.c (init_optimization_passes): Schedule
16173 pass_expand_omp after pass_init_datastructures.
16175 * tree-ssa-operands.c (get_expr_operands): Handle
16176 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
16177 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
16179 2006-01-19 Jeff Law <law@redhat.com>
16181 * tree-vrp.c (extract_range_from_assert): Refine the result range
16182 if the variable referenced by the ASSERT_EXPR has a range and
16183 either the tentative result range or the previous range is a
16186 2006-01-19 Richard Sandiford <richard@codesourcery.com>
16188 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
16190 2006-01-19 Jan Hubicka <jh@suse.cz>
16192 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
16194 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
16196 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
16197 (expand_compound_operation, expand_field_assignment): Fail if the
16198 bit lengths of an extract operation are out of range.
16199 (make_extraction): Compute wanted_inner_mode based on the position
16200 and length of the extraction. Make it extraction_mode for non-constant
16201 positions, and do not modify offset in that case. When generating a
16202 new MEM, use a mode that can hold the extraction while keeping correct
16203 alignment. Remove code that supported MEMs wrapped by USEs.
16204 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
16206 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
16208 * config/s390/s390.md ("Y", "y"): New mode attribute.
16209 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
16210 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
16211 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
16212 "*addsi3_imm_cc", "*addsi3_carry1_cc",
16213 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
16214 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
16215 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
16216 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
16217 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
16218 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
16219 "addsi3", "subsi3"): Insn patterns removed.
16220 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
16221 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
16222 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
16223 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
16224 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
16225 "*sub<mode>3_cconly2"): New insn patterns.
16226 ("addsi3", "subsi3"): New expanders.
16228 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
16230 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
16231 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
16232 existing STMT_VINFO_VECTYPE if available.
16233 (vect_mark_relevant): Add special handling for stmts that are
16234 marked as STMT_VINFO_IN_PATTERN_P.
16235 (vect_analyze_loop): Call vect_pattern_recog.
16236 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
16237 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
16239 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
16240 (vect_recog_func_ptr): New function-pointer type.
16241 * tree-vect-patterns.c: New file.
16242 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
16243 (vect_recog_dot_prod_pattern, vect_pattern_recog):
16244 (vect_pattern_recog_1): New functions.
16245 (vect_pattern_recog_funcs): New array of function pointers.
16247 * tree-vectorizer.h (ternary_op): New enum value.
16248 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
16249 declaration. Revised documentation. Removed redundant dump prints.
16250 Removed redundant argument. Added support for reduction patterns.
16251 (vectorizable_reduction): Added support for reduction patterns.
16252 (vect_transform_stmt): Added support for patterns.
16254 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
16255 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
16256 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
16257 (expand_widen_pattern_expr): New function.
16258 (init_optabs): Initialize new optabs udot_prod_optab,
16260 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
16261 (sdot_prod_optab, udot_prod_optab): Define new optabs.
16262 (expand_widen_pattern_expr): New function declaration.
16263 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
16265 * tree-inline.c (estimate_num_insns_1): Added cases for new
16266 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
16267 * tree-pretty-print.c (dump_generic_node): Likewise.
16268 (op_prio): Likewise.
16269 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
16270 * tree-ssa-operands.c (get_expr_operands): Added case for
16272 * tree-vect-patterns.c (widened_name_p): New function.
16273 (vect_recog_dot_prod_pattern): Added function implementation.
16274 * tree-vect-transform.c (get_initial_def_for_reduction): Added
16275 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
16276 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
16277 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
16279 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
16280 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
16281 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
16282 (init_optabs): Initialize new optabs widen_ssum_optab,
16284 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
16285 (widen_ssum_optab, widen_usum_optab): Define new optabs.
16286 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
16287 use instead of type of def.
16288 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
16289 function implementation.
16290 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
16291 widen_ssumv8hi): New.
16293 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
16296 2006-01-19 Richard Sandiford <richard@codesourcery.com>
16299 * c-decl.c (add_flexible_array_elts_to_size): New function.
16300 (finish_decl): Use it.
16302 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
16304 * diagnostic.h: Include options.h.
16305 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
16306 dependancies for diagnostic.h.
16307 * Makefile.in (DIAGNOSTIC_H): Add options.h.
16309 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
16311 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
16312 (ssa_ro_call_cache_valid): Ditto.
16313 * tree-ssa-alias.c (sort_tags_by_id): New function.
16314 (init_transitive_clobber_worklist): Ditto.
16315 (add_to_worklist): Ditto.
16316 (mark_aliases_call_clobbered): Ditto.
16317 (compute_tag_properties): Ditto.
16318 (set_initial_properties): Ditto.
16319 (compute_call_clobbered): Ditto.
16320 (compute_may_aliases): Call compute_call_clobbered and grouping.
16321 (compute_flow_sensitive_aliasing): Remove clobbering related code.
16322 (compute_flow_insensitive_aliasing): Grouping now happens in our
16324 (setup_pointers_and_addressables): Remove clobbering related code.
16325 (add_may_alias): Ditto.
16326 (replace_may_alias): Ditto.
16327 (get_nmt_for): Ditto.
16328 (create_global_var):
16329 (is_escape_site): Return an escape_type enumeration.
16330 * tree-flow-inline.h (is_call_clobbered): Global var does not
16331 imply call clobbered.
16332 (mark_call_clobbered): Take a reason for marking this. Remove
16333 marking of globalness, and cache invalidation.
16334 (clear_call_clobbered): Remove cache invalidation code.
16335 * tree-dfa.c (dump_variable): If details is on, dump the reason
16337 * tree-outof-ssa.c (create_temp): Copy escape mask from original
16339 * tree-flow.h (struct ptr_info_def): Add escape mask member.
16340 (struct var_ann_d): Ditto.
16341 (enum escape_type): New.
16342 (mark_call_clobbered): Adjust prototype.
16343 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
16344 are never call clobbered.
16345 Record reasons for escaping.
16346 * tree-ssa-structalias.h (is_escape_site): Update prototype.
16347 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
16348 (ssa_ro_call_cache_valid): Ditto.
16349 (clobbered_v_may_defs): Ditto.
16350 (clobbered_vuses): Ditto.
16351 (ro_call_vuses): Ditto.
16352 (clobber_stats): New.
16353 (init_ssa_operands): Zero out clobber stats.
16354 (fini_ssa_operands): Print out clobber stats.
16355 (get_call_expr_operands): Pass callee fndecl to
16356 add_call_read_ops).
16357 (add_call_clobber_ops): Remove use of cache.
16358 Add use of PURE_CONST information.
16359 (add_call_read_ops): Remove use of cache.
16360 Add use of static not_read information.
16362 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
16364 Introduce TLS descriptors for i386 and x86_64.
16365 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
16366 (TARGET_ANY_GNU_TLS): New macro.
16367 (enum tls_dialect): Added TLS_DIALECT_GNU2.
16368 (struct machine_function): Add tls_descriptor_call_expanded_p.
16369 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
16370 (ix86_current_function_calls_tls_descriptor): Likewise.
16371 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
16372 (override_options): Introduce gnu2 tls dialect.
16373 (ix86_frame_pointer_required): Functions containing TLSCALLs are
16375 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
16377 (legitimize_tls_address): Adjust logic for GNU2 TLS.
16378 (ix86_init_machine_status): Initialize new field.
16379 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
16380 (ix86_tls_module_base): New.
16381 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
16382 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
16383 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
16384 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
16385 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
16386 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
16387 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
16388 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
16389 * config/i386/predicates.md (tls_modbase_operand): New.
16390 (tp_or_register_operand): New.
16392 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
16394 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
16395 (look_for_address_of): Ditto.
16396 (ipa_init): Walk the function decls.
16397 (static_execute): Don't set readonly on FUNCTION_DECL's.
16399 2006-01-18 Roger Sayle <roger@eyesopen.com>
16401 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
16402 for shifts where the source and destination registers are different.
16404 2006-01-18 Paul Brook <paul@codesourcery.com>
16406 Merge from csl-arm-branch.
16407 2005-03-14 Julian Brown <julian@codesourcery.com>
16408 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
16409 (aeabi_llsl): Likewise.
16410 (ashrdi3): Likewise.
16411 (aeabi_lasr): Likewise.
16412 (lshrdi3): Likewise.
16413 (aeabi_llsr): Likewise.
16414 2005-03-10 Julian Brown <julian@codesourcery.com>
16415 * config.gcc: Disable shared libgcc for SymbianOS.
16416 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
16418 2006-01-18 DJ Delorie <dj@redhat.com>
16420 * c-pragma.c (handle_pragma_diagnostic): New.
16421 (init_pragma): Register it.
16422 * doc/extend.texi: Document it.
16424 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
16425 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
16426 (diagnostic_context): Add classify_diagnostic[].
16427 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
16428 as errors if they're overridden to DK_WARNING.
16429 (diagnostic_initialize): Initialize classify_diagnostic[].
16430 (diagnostic_set_kind_override): New.
16431 (diagnostic_report_diagnostic): Check for kind changes.
16432 * opts.c (common_handle_option): Take lang_mask. Update callers.
16433 Handle OPT_Werror_.
16434 * common.opt (Werror=): New.
16435 * doc/invoke.texi: Document -Werror=*
16437 2006-01-18 Jeff Law <law@redhat.com>
16439 * tree-vrp.c (test_for_singularity): Correct test for new
16440 min limit. Use operand_equal_p rather than pointer equality
16441 for testing if new min/max values are equal.
16443 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
16444 using range information until after propagation and folding.
16446 2006-01-18 Richard Henderson <rth@redhat.com>
16447 Aldy Hernandez <aldyh@redhat.com>
16448 Jakub Jelinek <jakub@redhat.com>
16449 Diego Novillo <dnovillo@redhat.com>
16451 * omp-low.c: New file.
16452 * c-omp.c: New file.
16454 2006-01-18 Richard Henderson <rth@redhat.com>
16455 Jakub Jelinek <jakub@redhat.com>
16456 Diego Novillo <dnovillo@redhat.com>
16458 * doc/invoke.texi: Document -fopenmp.
16459 * tree-dump.h (debug_function): Declare.
16460 * hooks.c (hook_bool_tree_bool_false): New function.
16461 (hook_tree_tree_null): Remove.
16462 (hook_tree_tree_tree_null): New.
16463 * hooks.h: Update to match.
16464 * tree-pretty-print.c (debug_tree_chain): New.
16465 (print_generic_expr): Handle TDF_CHAIN.
16466 (dump_generic_node): Handle BLOCK.
16467 Do not abort with incomplete SWITCH_EXPRs.
16468 Do not dump body of an OpenMP directive if TDF_SLIM is given.
16469 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
16470 print space after directive name.
16471 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
16472 Handle OMP_MASTER and OMP_ORDERED.
16473 Handle printing of OMP_BODY just in one place, goto
16474 dump_omp_body in the rest of OMP_* nodes that have
16476 Don't handle clause nodes here. Update omp statements to
16477 use dump_omp_clauses.
16478 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
16479 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
16480 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
16481 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
16482 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
16483 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
16484 Adjust output for GOMP_PARALLEL.
16485 (dump_omp_clauses): New.
16486 (print_declaration): Dump DECL_VALUE_EXPR.
16487 (op_symbol_1): Split out of op_symbol.
16488 (dumping_stmts): Remove. Update all users.
16489 * cgraph.c (cgraph_analyze_queue): New.
16490 (cgraph_add_new_function): New.
16491 * cgraph.h (cgraph_analyze_queue): Declare.
16492 (cgraph_add_new_function): Declare.
16493 (cgraph_lower_function): Remove.
16494 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
16495 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
16496 and TYPE_P nodes in its default clause.
16497 (empty_body_p): New.
16498 (tree_range_check_failed): New.
16499 (build5_stat): New.
16500 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
16501 OMP_CLAUSE_REDUCTION_MERGE,
16502 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
16503 OMP_CLAUSE_PRIVATE_DEBUG,
16504 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
16505 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
16506 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
16507 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
16508 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
16509 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
16510 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
16511 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
16512 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
16513 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
16514 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
16515 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
16516 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
16517 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
16518 (TREE_RANGE_CHECK): New.
16519 (empty_body_p): Declare.
16520 (enum omp_clause_default_kind): New.
16521 (build_string_literal): Declare.
16522 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
16523 (build5_stat, build5): Declare.
16524 * tree-pass.h (TDF_CHAIN): Define.
16525 * tree-pass.h (PROP_gimple_lomp): Define.
16526 (pass_lower_omp): Declare.
16527 * diagnostic.h (debug_tree_chain): Declare.
16528 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
16530 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
16531 * builtins.c (build_string_literal): Make extern.
16532 * gcc.c (include_spec_function): New.
16533 (static_spec_functions): Add it.
16534 (main): Move load of libgomp.spec ...
16535 (LINK_COMMAND_SPEC): ... here.
16536 (link_gomp_spec): New.
16537 (static_specs): Include it.
16538 (LINK_COMMAND_SPEC): Add link_gomp.
16539 (GOMP_SELF_SPECS): New.
16540 (driver_self_specs): Include it.
16541 (switch_matches): Don't mark inline.
16542 (main): Load libgomp.spec.
16543 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
16544 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
16545 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
16546 * tree-gimple.h (enum omp_parallel): Declare.
16547 (determine_parallel_type): Declare.
16548 (omp_firstprivatize_variable): Declare.
16549 (omp_reduction_init): Declare.
16550 (diagnose_omp_structured_block_errors): Declare.
16551 (struct walk_stmt_info): Add want_return_expr.
16552 (struct walk_stmt_info): Add want_bind_expr, want_locations.
16553 (find_omp_clause): Declare.
16554 (insert_field_into_struct): Declare.
16555 (struct walk_stmt_info): Move from tree-nested.c
16556 (walk_stmts): Declare.
16557 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
16559 * cgraphunit.c (cgraph_lower_function): Make static.
16560 (cgraph_finalize_pending_functions): New.
16561 (cgraph_finalize_function): Call it.
16562 (cgraph_finalize_compilation_unit): Likewise.
16563 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
16564 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
16565 (BT_FN_UINT_UINT): New.
16566 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
16567 DEF_FUNCTION_TYPE_VAR_4): Document.
16568 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
16569 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
16570 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
16571 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
16572 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
16573 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
16574 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
16575 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
16576 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
16577 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
16578 into separate files.
16579 (DEF_GOMP_BUILTIN): New.
16580 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
16581 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
16582 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
16583 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
16584 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
16585 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
16586 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
16587 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
16588 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
16589 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
16590 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
16591 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
16592 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
16593 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
16594 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
16595 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
16596 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
16597 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
16598 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
16599 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
16600 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
16601 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
16602 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
16603 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
16604 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
16605 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
16606 * sync-builtins.def: New file, moved from builtins.def.
16607 * omp-builtins.def: New file, moved from builtins.def.
16608 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
16609 * gimple-low.c (lower_function_body): Clear data.
16610 (lower_stmt): Do not handle COMPOUND_EXPR.
16611 Remove call to print_node_brief.
16612 * c-tree.h (c_finish_omp_clauses): New prototype.
16613 (C_DECL_THREADPRIVATE_P): Define.
16614 (lookup_name_no_remap, c_omp_remap_private): Remove
16615 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
16616 (check_for_loop_decls): Update decl.
16617 (lookup_name_no_remap, c_omp_remap_private): Declare.
16618 (build_indirect_ref, build_modify_expr, pushdecl,
16619 pushdecl_top_level): Move to c-common.h.
16620 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
16621 before the switch, but just in the 2 places that need it.
16622 * c-decl.c (diagnose_mismatched_decls): Do not check for
16623 mismatched thread-local attributes when OLDDECL is marked
16624 threadprivate and NEWDECL has no thread-local attributes.
16625 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
16626 (c_gimple_diagnostics_recursively): Rename from
16627 c_warn_unused_result_recursively. Invoke
16628 diagnose_omp_structured_block_errors.
16629 (check_for_loop_decls): Return a singular decl found.
16630 * langhooks.c (lhd_omp_predetermined_sharing): Return
16631 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
16632 (lhd_omp_firstprivatize_type_sizes): New.
16633 (lhd_omp_assignment): New.
16634 (lhd_omp_predetermined_sharing): New.
16635 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
16636 (struct lang_hooks_for_types): Add
16637 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
16638 omp_predetermined_sharing, omp_disregard_value_expr,
16639 omp_private_debug_clause, omp_clause_default_ctor,
16640 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
16641 (c_finish_omp_clauses): New.
16642 (c_finish_bc_stmt): Diagnose break within omp for.
16643 (c_begin_omp_parallel, c_finish_omp_parallel): New.
16644 (build_unary_op): Return error_mark after reporting
16646 (build_modify_expr): Likewise.
16647 * gimplify.c: Include optabs.h and pointer-set.h.
16648 (enum gimplify_omp_var_data): Declare.
16649 (struct gimplify_omp_ctx): Declare.
16650 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
16652 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
16653 (push_gimplify_context, pop_gimplify_context): Allow nesting.
16654 (splay_tree_compare_decl_uid): New.
16655 (new_omp_context): New.
16656 (delete_omp_context): New.
16657 (gimple_add_tmp_var): Call omp_add_variable.
16658 (gimplify_bind_expr): Likewise.
16659 (gimplify_var_or_parm_decl): If omp_notice_variable returned
16660 true, disregard DECL_VALUE_EXPR on the decl if any.
16661 (gimplify_expr_in_ctx): New.
16662 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
16663 omp_add_variable, omp_notice_variable, omp_is_private
16664 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
16665 gimplify_adjust_omp_clauses, gimplify_omp_parallel
16666 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
16667 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
16668 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
16669 gimplify_omp_atomic): New.
16670 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
16671 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
16672 OMP_CRITICAL and OMP_ATOMIC.
16673 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
16674 * c-pragma.h (enum pragma_kind): Add
16675 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
16676 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
16677 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
16678 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
16679 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
16680 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
16681 PRAGMA_OMP_THREADPRIVATE.
16682 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
16683 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
16684 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
16685 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
16686 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
16687 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
16688 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
16689 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
16690 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
16691 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
16692 * tree-ssa-dce.c (find_control_dependence): Do not assume that
16693 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
16694 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
16696 (struct nesting_info): Add field_map,
16697 suppress_expansion, debug_var_chain.
16698 (create_nesting_tree): Initialize them.
16699 (lookup_field_for_decl): Use field_map.
16700 (get_nonlocal_debug_decl, get_local_debug_decl): New.
16701 (convert_local_omp_clauses): New.
16702 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
16703 (walk_body): Split out of walk_function.
16704 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
16705 (convert_nonlocal_reference): Handle omp statements.
16706 (convert_local_reference): Likewise.
16707 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
16708 (unnest_nesting_tree): New.
16709 (lower_nested_functions): Call it.
16710 (insert_field_into_struct): Make extern.
16711 (struct walk_stmt_info): Move to tree-gimple.h.
16712 (walk_stmts): Make extern.
16713 * omp-builtins.def: New file.
16714 * tree-iterator.c (expr_only): Clarify comment.
16715 * c-common.h (pushdecl_top_level, pushdecl,
16716 build_modify_expr, build_indirect_ref,
16717 c_finish_omp_master, c_finish_omp_critical,
16718 c_finish_omp_ordered, c_finish_omp_barrier,
16719 c_finish_omp_atomic, c_finish_omp_flush,
16720 c_finish_omp_for, c_split_parallel_clauses,
16721 omp_clause_default_kind, c_omp_sharing_predetermined,
16722 c_omp_remap_decl): Declare.
16723 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
16724 (OBJS-common): Add omp-low.o.
16725 (c-omp.o, omp-low.o): Add.
16726 (gimplify.o): Add dependency on $(OPTABS_H).
16727 (GTFILES): Add omp-low.c.
16728 (gt-stringpool.h): Add.
16729 * tree-cfg.c (set_bb_for_stmt): Do not update the
16730 block-to-labels map if we are currently expanding to RTL.
16731 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
16733 Handle IDENTIFIER_NODE.
16734 (tree_verify_flow_info): Do not ICE when emitting error
16735 messages about invalid labels.
16736 (dump_function_to_file): Reset CFUN before emitting the body
16738 (debug_function): New.
16739 * passes.c (init_optimization_passes): Schedule
16741 * langhooks-def.h (lhd_omp_predetermined_sharing,
16742 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
16744 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
16745 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
16746 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
16747 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
16748 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
16749 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
16750 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
16751 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
16752 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
16753 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
16754 (LANG_HOOK_DECLS): Use them.
16756 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
16757 Richard Henderson <rth@redhat.com>
16758 Jakub Jelinek <jakub@redhat.com>
16759 Diego Novillo <dnovillo@redhat.com>
16761 * c-parser.c (pragma_omp_clause): Define.
16762 (c_parser_declaration_or_fndef): Document OpenMP syntax.
16763 (c_parser_compound_statement): Likewise.
16764 (c_parser_statement): Likewise.
16765 (c_parser_pragma): Handle omp pragmas.
16766 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
16767 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
16768 (c_parser_omp_clause_name, check_no_duplicate_clause,
16769 c_parser_omp_variable_list,
16770 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
16771 c_parser_omp_clause_copyprivate,
16772 c_parser_omp_clause_default,
16773 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
16774 c_parser_omp_clause_lastprivate,
16775 c_parser_omp_clause_nowait,
16776 c_parser_omp_clause_num_threads,
16777 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
16778 c_parser_omp_clause_reduction,
16779 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
16780 c_parser_omp_all_clauses, c_parser_omp_structured_block,
16781 c_parser_omp_atomic, c_parser_omp_barrier,
16782 c_parser_omp_critical, c_parser_omp_flush,
16783 c_parser_omp_for_loop, c_parser_omp_for,
16784 c_parser_omp_master, c_parser_omp_ordered,
16785 c_parser_omp_sections_scope, c_parser_omp_sections,
16786 c_parser_omp_parallel, c_parser_omp_single,
16787 c_parser_omp_construct, c_parser_omp_threadprivate): New.
16788 * c-pragma.c (init_pragma): Do omp pragma registration here.
16789 * c.opt (fopenmp): New flag.
16791 2006-01-18 Eric Christopher <echristo@apple.com>
16793 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
16794 * config/darwin.h (GOMP_SELF_SPECS): Define.
16796 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
16798 * rtl.h: Remove the prototype for reg_alloc.
16800 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16803 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
16804 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
16805 sjlj and dwarf2 exception handling.
16806 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
16807 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
16808 * pa/pa.c (function_value): Treat complex and vector types as
16810 (function_arg): Likewise. Only pass scalar floats in the floating
16811 point argument registers.
16812 * pa/t-slibgcc-dwarf-ver: New file.
16813 * pa/t-slibgcc-sjlj-ver: New file.
16814 * pa/t-slibgcc-elf-ver: Delete file.
16816 2006-01-19 Alan Modra <amodra@bigpond.net.au>
16818 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
16819 unlikely_test_section_p test.
16821 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
16823 * mode-switching.c (optimize_mode_switching): Make it static.
16824 * basic-block.h: Remove the prototype for
16825 optimize_mode_switching.
16827 * modulo-sched.c (sms_schedule): Make it static.
16828 * rtl.h: Remove the prototype for sms_schedule.
16830 * postreload-gcse.c (gcse_after_reload_main): Make it static.
16831 * rtl.h: Remove the prototype for gcse_after_reload_main.
16833 * reg-stack.c (reg_to_stack): Make it static.
16834 * rtl.h: Remove the prototype for reg_to_stack.
16836 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
16838 * rtl.h: Remove the prototypes for regrename_optimize and
16839 copyprop_hardreg_forward.
16841 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
16843 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
16844 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
16845 Test against the appropriate null constant for the mode.
16846 If 'fixup_overlap' is true, swap the operands if they overlap.
16847 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
16848 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
16849 alpha_split_tmode_pair and adjust for above change.
16850 * config/alpha/alpha.md (movtf_internal): Adjust call to
16851 alpha_split_tfmode_pair and rely on it to swap the operands.
16852 (movti_internal): New insn and post-reload splitter.
16853 (movti): New expander.
16855 2006-01-18 Philippe De Muyter <phdm@macqel.be>
16857 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
16860 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
16862 * rtlanal.c (global_reg_mentioned_p_1,
16863 global_reg_mentioned_p): Remove.
16864 * rtl.h: Remove the prototype for global_reg_mentioned_p.
16866 * flow.c (initialize_uninitialized_subregs): Make it static.
16867 * rtl.h: Remove the prototype for
16868 initialize_uninitialized_subregs.
16870 * function.c (instantiate_virtual_regs): Make it static.
16871 * function.h: Remove the prototype for
16872 instantiate_virtual_regs.
16874 * regmove.c (regmove_optimize, combine_stack_adjustments):
16876 * rtl.h: Remove the prototypes for regmove_optimize and
16877 combine_stack_adjustments.
16879 2006-01-17 Roger Sayle <roger@eyesopen.com>
16881 * config/i386/i386.c (COSTS_N_BYTES): New macro.
16882 (size_cost): Encode costs in bytes so that a reg-reg addition is
16883 equivalent to COSTS_N_INSNS(1).
16884 (override_options): Use the size_cost.branch_cost as the default
16885 ix86_branch_cost when optimizing for size.
16887 2006-01-18 Ben Elliston <bje@au.ibm.com>
16889 * Makefile.in (D32PBIT_FUNCS): New.
16890 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
16891 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
16892 D64PBIT_FUNCS and D128PBIT_FUNCS.
16893 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
16894 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
16896 (decnumber_dep): Define.
16897 * doc/libgcc.texi (Decimal float library routines): New node.
16898 * config/dfp-bit.h, config/dfp-bit.c: New files.
16900 2006-01-18 Ben Elliston <bje@au.ibm.com>
16902 * expr.c (emit_move_change_mode): Always adjust addresses, not
16903 just during reload. Copy replacements only during reload.
16904 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
16905 emit_move_via_integer.
16907 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
16909 * Makefile.in (check-%, check-consistency): Use $${srcdir}
16910 instead of $(srcdir) and ${srcdir}.
16912 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
16915 PR middle-end/11135
16916 * arm.h (struct machine_function): Add pic_reg.
16917 * arm.c (arm_pic_register): Make unsigned.
16918 (arm_override_options): Only set arm_pic_register if
16919 TARGET_SINGLE_PIC_BASE.
16920 (use_return_insn): Only test for a pic register if it is fixed.
16921 (arm_compute_save_reg0_reg12_mask): Likewise.
16922 (thumb_compute_save_reg_mask): Likewise.
16923 (legitimate_pic_operand): Factor out some known invariants.
16924 (legitimize_pic_address): If we don't have a fixed pic register,
16925 then set up a pseudo in the function entry sequence. Handle the
16926 pic base being in a pseudo.
16927 (arm_load_pic_register): Handle the pic register being in a pseudo.
16928 (arm_expand_prologue): Only set up the pic register if it is fixed.
16929 (thumb_expand_prologue): Likewise.
16930 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
16931 (pic_load_addr_based_insn): Likewise.
16932 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
16935 2006-01-18 Ben Elliston <bje@au.ibm.com>
16937 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
16938 decimal float modes for all floating point registers.
16940 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
16941 match_code "mem" with match_test "macho_lo_sum_memory_operand".
16943 2006-01-17 Jakub Jelinek <jakub@redhat.com>
16946 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
16947 even when the pointer is not NULL.
16949 2006-01-16 Ian Lance Taylor <ian@airs.com>
16951 * common.opt (ftoplevel-reorder): New option.
16952 * cgraph.c (cgraph_asm_nodes): New global variable.
16953 (cgraph_asm_last_node): New static variable.
16954 (cgraph_order): New global variable.
16955 (cgraph_create_node): Set new order field.
16956 (cgraph_varpool_node): Likewise.
16957 (decide_is_variable_needed): Return true if not
16958 flag_toplevel_reorder.
16959 (cgraph_add_asm_node): New function.
16960 * cgraph.h (struct cgraph_node): Add order field.
16961 (struct cgraph_varpool_node): Add order field.
16962 (struct cgraph_asm_node): Define.
16963 (cgraph_asm_nodes, cgraph_order): Declare.
16964 (cgraph_add_asm_node): Declare.
16965 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
16967 (cgraph_varpool_assemble_pending_decls): Call it.
16968 (cgraph_output_pending_asms): New static function.
16969 (cgraph_finalize_compilation_unit): Call it.
16970 (struct cgraph_order_sort): Define.
16971 (cgraph_output_in_order): New static function.
16972 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
16973 !flag_toplevel_reorder case.
16974 * c-parser.c: Include "cgraph.h".
16975 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
16977 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
16978 than -fno-unit-at-a-time.
16979 * doc/invoke.texi (Option Summary): Mention
16980 -fno-toplevel-reorder.
16981 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
16982 -funit-at-a-time documentation.
16984 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
16985 Kazu Hirata <kazu@codesourcery.com>
16987 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
16989 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
16991 * Makefile.in (FUNCTION_H): New. Use it instead of
16992 function.h throughout the file.
16993 * function.h: Include tree.h.
16995 2006-01-17 Ben Elliston <bje@au.ibm.com>
16997 * recog.c: Separate some functions with whitespace.
16999 2006-01-16 Richard Henderson <rth@redhat.com>
17001 Merge from gomp branch:
17002 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
17003 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
17004 and rename from struct inline_data. Rename callee* to dst*;
17005 caller* to src*; add copy_decl hook, transform_call_graph_edges,
17006 transform_new_cfg, transform_return_to_modify, and
17007 transform_lang_insert_block flags; remove cloning_p, versioning_p,
17009 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
17010 (copy_decl_for_dup): Remove.
17011 * tree-inline.c (struct inline_data): Move to header.
17012 (insert_decl_map): Export.
17013 (remap_decl): Update for member name changes. Use copy_decl hook.
17014 Allow for replacement to be a non-decl. Remove dead code.
17015 (remap_type_1): Check for existing mapping.
17016 (remap_type): Export.
17017 (remap_decls): Update for member name changes.
17018 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
17019 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
17020 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
17021 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
17022 (tree_function_versioning, build_duplicate_type): Likewise.
17023 (copy_body_r): Likewise. Export.
17024 (copy_decl_for_dup): Split into ...
17025 (copy_decl_for_dup_finish, copy_decl_to_var,
17026 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
17027 (replace_ref_tree, inlining_p): Remove.
17029 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
17031 * ifcvt.c (if_convert): Make it static.
17032 * rtl.h: Remove the prototype for if_convert.
17034 * local-alloc.c (local_alloc): Make it static.
17035 * rtl.h: Remove the prototype for local_alloc.
17037 * loop.c (loop_optimize): Make it static.
17038 * cfgloop.h: Remove the prototype for loop_optimize.
17041 2006-01-16 DJ Delorie <dj@redhat.com>
17043 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
17046 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17048 * pa.md: Disparage copies between general and floating-point registers
17049 in 32-bit move patterns.
17051 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
17054 * Makefile.in (check-%): Depend on site.exp instead of
17055 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
17058 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
17060 * global.c (global_alloc): Make it static.
17061 * rtl.h: Remove the prototype for global_alloc.
17063 2006-01-16 Richard Guenther <rguenther@suse.de>
17065 * tree-ssa-alias.c (struct used_part): Add write_only field.
17066 (get_or_create_used_part_for): Initialize it to true.
17067 (create_overlap_variables_for): Don't create structure variables
17068 for structures that only are written to.
17069 (find_used_portions): Handle MODIFY_EXPR to track whether a
17070 structure is only written to.
17072 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
17074 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
17076 * basic-block.h: Remove the prototype for
17077 partition_hot_cold_basic_blocks.
17079 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
17081 * cppspec.c (lang_specific_spec_functions): Remove.
17082 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
17083 * gcc.h (lang_specific_spec_functions): Remove.
17084 * gccspec.c (lang_specific_spec_functions): Remove.
17086 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
17088 * combine.c (record_value_for_reg): Invalidate registers
17090 (record_dead_and_set_regs_1): Likewise, by passing them to
17091 record_value_for_reg.
17092 (record_dead_and_set_regs): Invalidate stores made by a
17093 call. We do not combine across a call, but we still
17094 relied on equivalences.
17096 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
17098 * tree-vrp.c (extract_range_from_binary_expr): Cope with
17099 vrp_int_const_binop returning non-constant nodes.
17101 2006-01-16 Paul Brook <paul@codesourcery.com>
17103 * config/m68k/m68k.c (output_move_const_into_data_reg):
17104 Output correct mnemonic for mvz and mvs.
17106 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
17108 * rtl-factoring.c: Add sequence abstraction algorithm.
17109 * cfgcleanup.c (outgoing_edges_match): Extra checks.
17110 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
17112 (block_has_preserve_label): New function.
17113 * common.opt: Register new pass.
17114 * Makefile.in: Ditto.
17116 * timevar.def: Ditto.
17117 * tree-pass.h: Ditto.
17118 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
17119 * rtl.h (make_jump_insn_raw): Add forward decl.
17120 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
17122 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
17123 Roger Sayle <roger@eyesopen.com>
17125 * fold-const.c (fold_minmax): New static function.
17126 (fold_binary) <MIN_EXPR>: Call it.
17127 <MAX_EXPR>: Likewise.
17128 * stor-layout.c (place_field): Use DECL_SIZE consistently
17129 in the computation of the new record size.
17131 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
17133 * cse.c (cse_condition_code_reg): Make it static.
17134 * rtl.h: Remove the prototype for cse_condition_code_reg.
17136 * combine.c (combine_instructions): Make it static.
17137 * rtl.h: Remove the prototype for combine_instructions.
17139 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17142 * tree.c (get_file_function_name_long): Concatenate the first global
17143 object name with a string derived from the input filename of the object
17146 2006-01-16 Ben Elliston <bje@au.ibm.com>
17148 * config/i386/winnt-stubs.c: Update FSF address.
17149 * config/xtensa/ieee754-df.S: Ditto.
17150 * config/xtensa/ieee754-sf.S: Ditto.
17152 2006-01-14 Ian Lance Taylor <ian@airs.com>
17154 * ifcvt.c (noce_init_if_info): New static function, broken out of
17155 noce_process_if_block.
17156 (noce_process_if_block): Call noce_init_if_info.
17157 (check_cond_move_block): New static function.
17158 (cond_move_process_if_block): New static function.
17159 (process_if_block): Call cond_move_process_if_block.
17161 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
17163 * cselib.c (hash_table): Rename to cselib_hash_table.
17164 (cselib_clear_table, discard_useless_values,
17165 remove_useless_values, cselib_lookup_mem, cselib_lookup,
17166 cselib_init, cselib_finish): Adjust uses of hash_table.
17168 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
17170 PR tree-optimization/25485
17171 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
17172 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
17173 is known to be false and true, respectively.
17175 2006-01-14 Richard Guenther <rguenther@suse.de>
17177 PR tree-optimization/22548
17178 PR tree-optimization/22555
17179 PR tree-optimization/22501
17180 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
17181 * params.def (salias-max-array-elements): New parameter.
17182 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
17183 * doc/invoke.texi (salias-max-array-elements): Document.
17184 * tree-flow-inline.h (var_can_have_subvars): We also handle
17186 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
17188 * tree-ssa-structalias.c (params.h): Include.
17189 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
17190 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
17191 (get_constraint_for): For ADDR_EXPR operating on something
17192 containing an ARRAY_REF, add all subvars to the solution.
17193 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
17194 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
17195 for creating MUST_DEFs.
17196 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
17198 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
17200 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
17202 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
17203 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
17204 number_of_iterations_le): New functions.
17205 (number_of_iterations_special): Removed.
17206 (number_of_iterations_exit): Do not use number_of_iterations_special.
17207 * tree.c (unsigned_type_for): Always return integer type.
17209 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
17210 Richard Guenther <rguenther@suse.de>
17212 PR rtl-optimization/24257
17213 * gcse.c (find_moveable_store): Only consider a store movable
17214 when the SET_SRC of the insn can be assigned to a register.
17216 2006-01-14 Ian Lance Taylor <ian@airs.com>
17218 * tree.c (tree_not_class_check_failed): New function.
17219 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
17220 (tree_not_class_check_failed): Declare.
17222 2006-01-13 Ian Lance Taylor <ian@airs.com>
17224 * reload1.c (do_output_reload): Add assertion rejecting a
17227 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
17229 * combine.c (struct reg_stat): Add new fields truncation_label and
17231 (record_value_for_reg): Reset truncated_to_mode.
17232 (record_truncated_value): New function.
17233 (check_promoted_subreg): Call it. Rename to check_conversions.
17234 (combine_instructions): Rename check_promoted_subreg to
17236 (reg_truncated_to_mode): New function.
17237 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
17238 (gen_lowpart_or_truncate): New function.
17239 (force_to_mode): Use it instead of gen_lowpart.
17241 2006-01-13 Diego Novillo <dnovillo@redhat.com>
17243 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
17244 VAR is a tag, not its type tag.
17246 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
17248 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
17249 alternatives to match style of other entries.
17250 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
17252 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
17254 PR tree-optimization/25771
17255 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
17258 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
17261 * tree-inline.c (declare_return_variable): If the return variable
17262 was marked as a non gimple complex, set the return slot variable
17263 to be a non gimple comple variable.
17265 2006-01-13 Richard Guenther <rguenther@suse.de>
17267 * builtins.c (expand_builtin_sincos): New function.
17268 (expand_builtin_mathfn_3): Remove dead code, sin and cos
17270 (expand_builtin): Expand sincos using expand_builtin_sincos.
17272 2006-01-12 DJ Delorie <dj@redhat.com>
17274 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
17275 shift counts, separate SI shifts for m32c vs m16c, pass shift type
17276 so that constant shifts can be split.
17277 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
17278 (m32c_valid_pointer_mode): Make static.
17279 (shift_gen_func_for): New.
17280 (m32c_prepare_shift): Use it. Split large const shifts into
17282 * config/m32c/predicates.md (shiftcount_operand): Allow more
17284 (longshiftcount_operand): New.
17285 * doc/md.texi (Machine Constraints): Document In6.
17287 2006-01-13 Ben Elliston <bje@au.ibm.com>
17289 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
17290 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
17293 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
17295 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
17296 to try to avoid clobbering pieces of structures when we know
17297 something about the whole structure.
17298 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
17300 2006-01-13 Ben Elliston <bje@au.ibm.com>
17302 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
17303 return in memory, as this is no limitation is no longer present.
17305 2006-01-12 DJ Delorie <dj@redhat.com>
17307 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
17308 mova with fb, and for fb+0 -> An.
17310 * config/m32c/mov.md (peephole2): Fix enabling logic.
17312 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
17313 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
17314 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
17315 FINI_ARRAY_SECTION_ASM_OP): Define.
17317 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
17319 (m32c_legitimize_reload_address): New logic to reload FB to An.
17320 (m32c_output_reg_push): Add newline.
17321 (m32c_output_reg_pop): Likewise.
17323 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
17325 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
17327 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
17329 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
17331 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
17333 * config/sh/predicates.md (sh_rep_vec): Add parallel to
17336 2006-01-11 Ben Elliston <bje@au.ibm.com>
17338 * rtlanal.c (find_reg_note): Assert insn is not null.
17340 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
17342 * df-scan.c (df_hard_reg_init): Move declaration of i outside
17345 2006-01-11 Jeff Law <law@redhat.com>
17347 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
17349 (mark_threaded_blocks, register_jump_thread): New functions.
17350 (thread_through_all_blocks): Remove unwanted argument. No
17351 longer rely on e->aux to communicate thread target info.
17352 Call mark_threaded_blocks. Release the threaded_blocks
17353 bitmap and threaded_edges vector when complete.
17354 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
17355 (threaded_blocks): Remove.
17356 (tree_ssa_dominator_optimize): Remove initialization and
17357 finalization of threaded_blocks. Simplify call to
17358 thread_through_all_blocks.
17359 (thread_across_edge): Call register_jump_thread rather than
17360 storing thread information into e->aux.
17361 (free_all_edge_infos): Simplify now that e->aux is no longer
17362 used to communicate with thread_through_all_blocks.
17363 * tree-flow.h (thread_through_all_blocks): Update prototype.
17364 (register_jump_thread): Prototype.
17366 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
17368 * df-core.c (df_compact_blocks, df_bb_replace): Use
17369 SET_BASIC_BLOCK instead of BASIC_BLOCK.
17371 2006-01-11 Richard Guenther <rguenther@suse.de>
17373 PR tree-optimization/25734
17374 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
17375 stop propagation after successful propagation to the LHS.
17377 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
17379 * basic-block.h (control_flow_graph): Change the type of
17380 x_basic_block_info to VEC(basic_block,gc) *.
17381 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
17383 (SET_BASIC_BLOCK): New.
17384 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
17385 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
17386 * cfgbuild.c (find_basic_blocks): Likewise.
17387 * cfglayout.c (fixup_reorder_chain): Likewise.
17388 * cfgrtl.c (create_basic_block_structure,
17389 rtl_create_basic_block): Likewise.
17390 * ifcvt.c (find_if_case_1): Likewise.
17391 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
17394 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
17396 * Makefile.in: Removed rotted odf.c entry.
17398 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
17401 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
17402 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
17403 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
17404 output pattern modifier, not %e.
17405 * config/cris/cris.c (cris_op_str): Update comment about pattern
17407 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
17408 before falling through into...
17409 <case 'E'>: Redefined from old 'e' case.
17411 2006-01-11 Jan Hubicka <jh@suse.cz>
17414 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
17416 2006-01-11 Jan Hubicka <jh@suse.cz>
17418 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
17419 * i386.c (x86_decompose_lea): Kill.
17420 (ix86_rtx_costs): Kill.
17422 2006-01-11 Jan Hubicka <jh@suse.cz>
17424 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
17425 * cgraph.h (cgraph_node): Add inline_decl.
17426 (cgraph_insert_node_to_hashtable): Declare.
17427 (save_inline_function_body): Declare.
17428 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
17430 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
17431 (cgraph_function_versioning): Update call of tree_function_versioning.
17432 (save_inline_function_body): New function.
17433 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
17434 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
17435 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
17436 (cgraph_default_inline_p): Likewise.
17437 (cgraph_decide_inlining_incrementally): Likewise.
17438 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
17439 (copy_bb): Kill saving; do updating of clones.
17440 (copy_cfg_body): Kill saving.
17441 (initialize_inlined-parameters): Likewise.
17442 (expand_call_inline): Likewise.
17444 (tree_function_versioning): New parameter "update_clones".
17445 (inlining_p): Kill saving.
17446 * tree-inline.h (tree_function_versioning): Update prototype.
17447 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
17450 2006-01-11 Ian Lance Taylor <ian@airs.com>
17452 * combine.c (struct undo): Remove is_int. Enumify types of undos.
17453 Allow undoing set of machine mode.
17454 (do_SUBST): Use enums instead of is_int.
17455 (do_SUBST_MODE): New function.
17456 (SUBST_MODE): New macro.
17457 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
17458 reg and trying to replace reg_regno_rtx with a new register.
17459 (undo_all): Use new enums, handle undoing a PUT_MODE change.
17460 (simplify_set): Use SUBST_MODE.
17461 (distribute_notes): Remove code that tried to update reg notes
17462 for regno_reg_rtx changes.
17464 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
17466 PR tree-optimization/23109
17467 PR tree-optimization/23948
17468 PR tree-optimization/24123
17470 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
17471 * tree-cfg.c (single_noncomplex_succ): New.
17472 * tree-flow.h (single_noncomplex_succ): Declare it.
17473 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
17474 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
17475 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
17476 insert_bb, register_division_in, insert_reciprocals,
17477 replace_reciprocal, free_bb): New.
17478 (execute_cse_reciprocals_1): Rewritten.
17479 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
17480 Do not commit any edge insertion. Always compute dominators and
17481 create the allocation pool.
17482 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
17483 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
17484 * targhooks.c (default_min_divistions_for_recip_mul): New.
17485 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
17486 * passes.c (init_optimization_passes): Run recip after tree loop
17488 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
17490 2006-01-11 Danny Berlin <dberlin@dberlin.org>
17491 Kenneth Zadeck <zadeck@naturalbridge.com>
17493 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
17494 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
17495 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
17496 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
17497 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
17498 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
17499 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
17500 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
17501 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
17502 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
17503 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
17504 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
17505 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
17506 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
17507 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
17508 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
17509 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
17510 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
17511 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
17512 DF_SCAN_POST_ALLOC): New macros.
17513 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
17514 df_free_bb_function, df_local_compute_function, df_init_function,
17515 df_dataflow_function, df_confluence_function_0,
17516 df_confluence_function_n, df_transfer_function,
17517 df_finalizer_function, df_free_function, df_dump_problem_function,
17518 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
17519 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
17520 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
17521 df_urec_bb_info, ) New types.
17522 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
17524 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
17525 df_analyze_simple_change_some_blocks,
17526 df_analyze_simple_change_one_block, df_compact_blocks,
17527 df_bb_replace, df_bb_regno_last_use_find,
17528 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
17529 df_insn_regno_def_p, df_find_def, df_find_use,
17530 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
17531 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
17532 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
17533 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
17534 debug_df_chain, df_get_dependent_problem, df_chain_create,
17535 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
17536 df_grow_bb_info, df_chain_dump, df_print_bb_index,
17537 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
17538 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
17539 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
17540 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
17541 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
17542 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
17543 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
17544 df_ref_remove, df_insn_refs_delete, df_refs_delete,
17545 df_reorganize_refs, df_set_state, df_hard_reg_init,
17546 df_read_modify_subreg_p) New public functions.
17547 * df-core.c: The core dataflow solver and glue routines for rtl
17549 (df_init, df_add_problem, df_set_blocks, df_finish,
17550 df_hybrid_search_forward, df_hybrid_search_backward,
17551 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
17552 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
17553 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
17554 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
17555 df_reg_defined, df_find_use, df_reg_used, df_dump,
17556 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
17557 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
17558 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
17559 debug_df_useno, reset_df_after_reload): New functions.
17560 * df-scan.c: The scanning fuctions, once in df.c, completely
17561 rewritten so that they now fully model the functionality of
17562 register usage at the backend.
17563 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
17564 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
17565 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
17566 df_grow_insn_info, df_rescan_blocks, df_ref_create,
17567 df_get_artificial_defs, df_get_artificial_uses,
17568 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
17569 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
17570 df_refs_delete, df_reorganize_refs, df_set_state,
17571 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
17572 df_def_record_1, df_defs_record, df_uses_record,
17573 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
17574 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
17575 df_record_exit_block_uses, df_hard_reg_init): New functions.
17577 * df-problems.c: Seven concrete dataflow problems that use the
17578 scanning in df-scan.c and are solved by the engine in df-core.c.
17579 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
17580 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
17581 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
17582 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
17583 df_ru_free_bb_info, df_ru_alloc,
17584 df_ru_bb_local_compute_process_def,
17585 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
17586 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
17587 df_ru_transfer_function, df_ru_free, df_ru_dump,
17588 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
17589 df_rd_free_bb_info, df_rd_alloc,
17590 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
17591 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
17592 df_rd_transfer_function, df_rd_free, df_rd_dump,
17593 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
17594 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
17595 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
17596 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
17597 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
17598 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
17599 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
17600 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
17601 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
17602 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
17603 df_urec_mark_reg_change, df_urec_check_earlyclobber,
17604 df_urec_mark_reg_use_for_earlyclobber,
17605 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
17606 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
17607 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
17608 df_urec_dump, df_urec_add_problem, df_chain_alloc,
17609 df_chain_create_bb_process_use, df_chain_create_bb,
17610 df_chain_finalize, df_chain_free, df_chains_dump,
17611 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
17612 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
17613 df_reg_lifetime): New functions.
17614 * df.c: Deleted file.
17615 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
17616 consistent with new df api.
17617 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
17618 rest_of_handle_sms): Ditto.
17619 * web.c (unionfind_union, union_defs, entry_register, web_main):
17621 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
17622 invariant_expr_equal_p, find_defs, check_dependencies,
17623 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
17624 free_inv_motion_data, move_loop_invariants): Ditto.
17625 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
17626 Update dependencies.
17627 (odf.c): Added defective entry that was deleted later in day.
17628 * sched-deps.c (sched_analyze_1): Ditto.
17630 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
17632 * tree-ssa-operands.c (get_expr_operands): Record addressable
17633 variables directly. Do not call add_stmt_operands for CONST_DECLs
17635 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
17636 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
17638 2006-01-11 Ben Elliston <bje@au.ibm.com>
17640 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
17641 function returns true in the positive case.
17643 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17646 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
17647 for SI, DI, SF and DF modes. Add alternatives to copy between
17648 general and floating point registers to the 32-bit patterns.
17649 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
17650 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
17651 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
17652 generating 64-bit code.
17653 * config/pa/pa.c (output_move_double): Handle copies between general
17654 and floating registers.
17656 2006-01-10 Stuart Hastings <stuart@apple.com>
17658 * config/i386/i386.md (set_got): Update.
17659 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
17660 (builtin_setjmp_receiver): Mach-O support.
17661 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
17662 (GOT_SYMBOL_NAME): Define.
17663 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
17664 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
17665 * config/i386/i386.c (override_options): Revise for Darwin.
17666 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
17667 support. (darwin_x86_file_end): New. (output_set_got): Add label
17668 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
17669 * config/i386/i386-protos.h (output_set_got): Likewise.
17670 * config/darwin.c (machopic_legitimize_pic_address): Update
17673 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
17675 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
17676 when MODE isn't BLKmode.
17678 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
17680 PR rtl-optimization/25367
17681 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
17683 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
17686 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
17687 for a negative bound.
17689 2006-01-10 Richard Guenther <rguenther@suse.de>
17691 * tree-ssa-structalias.c (get_constraint_for_component_ref):
17692 Never override with anything constraint.
17694 2006-01-10 Jan Beulich <jbeulich@novell.com>
17696 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
17697 256 bits when optimize_size.
17699 2006-01-10 Jan Beulich <jbeulich@novell.com>
17701 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
17703 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
17704 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
17707 2006-01-10 Ben Elliston <bje@au.ibm.com>
17709 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
17711 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
17712 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
17713 (USE_FP_FOR_ARG): Reject decimal float modes.
17714 (function_arg_advance): Likewise.
17715 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
17716 (rs6000_handle_altivec_attribute): Do not permit decimal floating
17717 point types in AltiVec vectors.
17718 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
17719 (rs6000_libcall_value): Likewise.
17721 2006-01-09 Bob Wilson <bob.wilson@acm.org>
17723 * config/xtensa/ieee754-df.S: New file.
17724 * config/xtensa/ieee754-sf.S: New file.
17725 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
17726 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
17727 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
17729 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
17731 * config/sh/predicates.md (binary_float_operator,
17732 binary_logical_operator, commutative_float_operator,
17733 equality_comparison_operator, greater_comparison_operator,
17734 less_comparison_operator, logical_operator,
17735 noncommutative_float_operator, shift_operator,
17736 symbol_ref_operand, unary_float_operator): Remove redundant
17739 2006-01-09 Jeff Law <law@redhat.com>
17741 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
17742 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
17743 now unused arguments. Callers updated.
17744 (eliminate_redundant_computations): Remove now unused arguments,
17746 (local_fold): Remove, no longer used.
17747 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
17749 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
17750 (simplify_cond): New function.
17751 (forward_propagate_into_cond): Call simplify_cond.
17753 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
17755 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
17756 (*vec_extractv2di_1_sse): New.
17758 2006-01-09 Ben Elliston <bje@au.ibm.com>
17760 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
17762 2006-01-08 Richard Guenther <rguenther@suse.de>
17764 * tree-ssa-structalias.c (get_constraint_for): Remove
17765 anyoffset argument.
17766 (get_constraint_for_component_ref): Likewise.
17767 (do_deref): Likewise.
17768 (get_constraint_for): Likewise.
17769 (do_structure_copy): Likewise.
17770 (handle_ptr_arith): Likewise.
17771 (find_func_aliases): Likewise. Remove unused need_anyoffset
17774 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
17775 Kaz Kojima <kkojima@gcc.gnu.org>
17777 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
17778 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
17779 (EXTRA_CONSTRAINT_C16): Remove.
17780 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
17781 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
17782 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
17783 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
17784 constants of SHmedia. Handle nested constant expressions of
17786 (andcosts): Fix the costs for SHmedia constants.
17787 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
17788 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
17789 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
17790 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
17791 (movv4hi_i, movv2si_i): Likewise.
17792 (movsi_const): Adjust the second operand of ior so to match with
17793 the Csu constraint.
17794 (movdi_const, movdi_const_32bit): Likewise.
17795 (movdi_const_16bit+1): Don't sign-extend LOW.
17796 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
17798 (*double_shori): Fix the split condition. Use GEN_INT instead
17799 of get_int_mode calls. Mask lower 16-bit of the argument of
17801 (sym2GOTPLT): Remove.
17802 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
17804 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
17805 instead of EXTRA_CONSTRAINT_C16.
17807 2006-01-07 Ian Lance Taylor <ian@airs.com>
17808 David Edelsohn <edelsohn@gnu.org>
17810 PR rtl-optimization/25662
17811 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
17812 for constant operands instead of simplify_gen_binary.
17813 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
17814 after trying simplify_binary_operation
17816 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
17818 * tree.c (iterative_hash_expr): Hash decls based on UID.
17820 2006-01-06 Eric Christopher <echristo@apple.com>
17822 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
17823 (TARGET_UNWIND_EMIT): Fix spelling.
17824 * target.h (gcc_target): Add except_table_label.
17825 * except.c (output_function_exception_table): Use.
17826 * varasm.c (default_emit_except_table_label): New.
17827 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
17829 (asm_out): Add here.
17830 * output.h (default_emit_except_table_label): Prototype.
17831 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
17832 * config/darwin.c (darwin_emit_except_table_label): Define.
17833 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
17835 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
17837 PR tree-optimization/18527
17838 * tree-ssa-loop-niter.c (number_of_iterations_cond,
17839 number_of_iterations_special, number_of_iterations_exit):
17840 Move base and step of an iv to a single structure. Add
17841 no_overflow flag, and use it in # of iterations analysis.
17842 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
17843 folded_casts argument.
17844 (simple_iv): Pass base and step in a structure. Set no_overflow
17846 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
17847 Evaluate expensiveness of computing # of iterations instead of
17848 the final expression.
17849 * tree-scalar-evolution.h (affine_iv): New structure.
17850 (simple_iv): Declaration changed.
17851 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
17852 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
17853 find_givs_in_stmt): Changed due to simple_iv change.
17855 2006-01-06 Jeff Law <law@redhat.com>
17858 * tree-cfg.c (bsi_replace): Rename final argument from
17859 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
17860 change (stmt -> orig_stmt).
17861 * tree-eh.c (verify_eh_throw_stmt_node): New function.
17862 (bsi_remove): Add new argument. Remove EH information
17864 (verify_eh_throw_table_statements): New function.
17865 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
17867 * tree-optimize.c (execute_free_cfg_annotations): Verify
17868 the EH throw statement table after removing annotations.
17869 * except.h (verify_eh_throw_table_statements): Prototype.
17870 * tree-flow.h (bsi_remove): Update prototype.
17871 * tree-vrp.c (remove_range_assertions): Add new argument to
17873 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
17874 * tree-complex.c (expand_complex_div_wide): Likewise.
17875 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
17876 * tree-tailcall.c (eliminate_tailcall): Likewise.
17877 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
17878 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
17879 * tree-nrv.c (tree_nrv): Likewise.
17880 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
17881 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
17882 (combine_blocks): Likewise.
17883 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
17884 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
17885 (cleanup_control_flow): Likewise.
17886 (remove_forwarder_block): Likewise.
17887 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
17888 * tree-sra.c (sra_replace): Likewise.
17889 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
17890 (forward_propagate_single_use_vars): Likewise.
17891 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
17892 * tree-inline.c (expand_call_inline): Likewise.
17893 * tree-vect-transform.c (vect_transform_loop): Likewise.
17894 * tree-outof-ssa.c (rewrite_trees): Likewise.
17895 * tree-cfg.c (make_goto_expr_edges): Likewise.
17896 (cleanup_dead_labels): Likewise.
17897 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
17898 (bsi_move_before, bsi_move_after): Likewise.
17899 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
17900 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
17902 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
17905 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
17907 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
17908 on non gimple variables. Also add checks at the top for decls and
17910 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
17912 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
17913 and IMAGPART_EXPR for creating MUST_DEFs.
17914 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
17915 and NAME_MEMORY_TAG separately from the DECLs.
17917 2006-01-06 Richard Guenther <rguenther@suse.de>
17919 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
17920 annotation, if necessary.
17921 * tree-ssa-pre.c (create_expression_by_pieces): Remove
17922 redundant calls to update_stmt.
17923 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
17926 2006-01-05 Richard Henderson <rth@redhat.com>
17928 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
17930 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
17932 * c-typeck.c: Update copyright date.
17934 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
17936 * c-typeck.c (build_c_cast): Always warn when casting
17937 from a pointer to an integer of different size, even if
17938 the node was constant.
17940 2006-01-05 Richard Guenther <rguenther@suse.de>
17942 PR tree-optimization/22555
17943 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
17944 if one structure field is an array.
17945 * tree-ssa-operands.c (get_expr_operands): Continue scanning
17946 operands even if we found a subvar, but ignore VOPs in this
17948 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
17950 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
17952 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
17954 PR middle-end/24998
17955 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
17957 2006-01-05 Richard Guenther <rguenther@suse.de>
17958 Diego Novillo <dnovillo@redhat.com>
17960 * tree-pass.h (TODO_remove_unused_locals): Define.
17961 * gimple-low.c (expand_var_p, remove_useless_vars,
17962 pass_remove_useless_vars): Remove. Update all users.
17963 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
17964 (remove_unused_locals): New function.
17965 * tree-flow.h (remove_unused_locals): Declare.
17966 * passes.c (execute_todo): Call remove_unused_locals if
17967 TODO_remove_unused_locals is set.
17968 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
17969 * tree-ssa-dce.c (pass_dce): Likewise.
17970 * tree-outof-ssa.c (pass_del_ssa): Likewise.
17972 2006-01-05 Richard Guenther <rguenther@suse.de>
17974 * tree-flow.h (struct fieldoff): Decompose field to
17975 type, size and decl.
17976 * tree-ssa-alias.c (create_sft): Take type as parameter.
17977 (create_overlap_variables_for): Store type, size and decl
17978 in the fieldoff structure.
17979 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
17980 of struct fieldoff.
17981 (push_fields_onto_fieldstack): Likewise.
17982 (create_variable_info_for): Likewise. Use offset for the
17983 SFT name if the decl is not available.
17985 2006-01-04 Paul Brook <paul@codesourcery.com>
17987 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
17989 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
17991 * lambda-code.c (can_put_in_inner_loop): Relax
17993 (can_put_after_inner_loop): New function.
17994 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
17995 (perfect_nestify): Change to make copies and modify uses.
17997 2006-01-04 Richard Henderson <rth@redhat.com>
17999 Merge from gomp branch:
18000 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
18001 via integer constant.
18002 (pragma_lex): Remove.
18003 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
18004 rather than parsing it.
18005 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
18006 handle_pragma_extern_prefix): Add %< %> quotes.
18007 (registered_pragmas): New.
18008 (c_register_pragma_1): New.
18009 (c_register_pragma): Use it.
18010 (c_register_pragma_with_expansion): Likewise.
18011 (c_invoke_pragma_handler): New.
18012 (init_pragma): Use cpp_register_deferred_pragma directly for
18014 * c-pragma.h (enum pragma_kind): New.
18015 (pragma_handler): New.
18016 (c_invoke_pragma_handler): Declare.
18017 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
18019 * c-common.h (c_common_pch_pragma): Update decl.
18020 * Makefile.in (c-parser.o): Update dependencies.
18021 (GTFILES): Add c-pragma.h.
18022 * c-parser.c (struct c_token): Add pragma_kind.
18023 (struct c_parser): Add in_pragma.
18024 (c_lex_one_token): Always initialize keyword and pragma_kind.
18025 Extract data for CPP_PRAGMA.
18026 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
18027 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
18028 Don't allow CPP_PRAGMA_EOL if in_pragma.
18029 (c_parser_consume_pragma): New.
18030 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
18031 (c_parser_skip_to_end_of_parameter): Likewise.
18032 (c_parser_skip_to_end_of_block_or_statement): Likewise.
18033 (c_parser_skip_to_pragma_eol): New.
18034 (c_parser_external_declaration): Handle CPP_PRAGMA.
18035 (c_parser_compound_statement_nostart): Likewise.
18036 (c_parser_statement_after_labels): Likewise.
18037 (c_parser_pragma): New.
18038 (pragma_lex): Likewise.
18039 (c_parser_pragma_pch_preprocess): New.
18040 (c_parser_new): Merge into ...
18041 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
18043 2006-01-04 Jeff Law <law@redhat.com>
18046 * tree-cfg.c (bsi_replace): Remove the original statement
18047 from the EH throw statement table.
18049 2006-01-04 Jakub Jelinek <jakub@redhat.com>
18051 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
18052 make the prototype extern "C" and add throw ().
18055 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
18056 and pos non-negative and pos + len <= 32.
18057 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
18058 drop pos + len < HOST_BITS_PER_WIDE_INT test.
18059 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
18062 * c-common.c (handle_vector_size_attribute): Reject zero vector size
18063 as well as sizes not multiple of component size.
18066 * function.c (instantiate_expr): New function.
18067 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
18068 walk its DECL_VALUE_EXPR with instantiate_expr.
18070 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
18071 DW_OP_deref{,_size} if address isn't going to be added.
18073 2006-01-04 Ben Elliston <bje@au.ibm.com>
18075 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
18076 * config/fp-bit.c: Likewise.
18078 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
18080 * dominance.c: Add comment about why we use DFS numbering
18083 2006-01-03 Jakub Jelinek <jakub@redhat.com>
18084 Richard Henderson <rth@redhat.com>
18086 Merge from gomp-branch:
18087 * varasm.c (assemble_variable): Handle thread-local COMMON data.
18088 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
18090 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
18092 PR rtl-optimization/25578
18093 * combine.c (combine_simplify_rtx, force_to_mode): Don't
18094 pass a parameter to simplify_shift_const if changing ASHIFTRT
18097 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
18099 * builtins.c (get_builtin_sync_mem): New function.
18100 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
18101 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
18102 Call get_builtin_sync_mem to generate mem rtx.
18104 2006-01-03 Richard Guenther <rguenther@suse.de>
18107 * stmt.c (add_case_node): Make sure to clear overflow flags
18110 2006-01-03 Jakub Jelinek <jakub@redhat.com>
18112 Merge from gomp-branch.
18113 * config/sparc/sync.md: New file.
18114 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
18115 UNSPECV_LDSTUB): New constants.
18116 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
18117 * config/sparc/predicates.md (memory_reg_operand): New predicate.
18118 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
18121 2006-01-03 Roger Sayle <roger@eyesopen.com>
18123 * combine.c (reg_subword_p): New predicate to test whether the
18124 destination of a set refers to a subword/piece of a register.
18125 (try_combine): Generalize the code to merge the setting of a
18126 pseudo to a constant followed by a set of a subword of that
18127 register to a constant.
18129 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
18131 * basic-block.h (control_flow_graph): Change the type of
18132 x_label_to_block_map to VEC(basic_block,gc) *.
18133 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
18134 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
18136 * tree-ssa-propagate.c (cfg_blocks): Change the type to
18137 VEC(basic_block,heap) *.
18138 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
18139 ssa_prop_fini): Adjust the uses of cfg_blocks.
18141 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
18143 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
18145 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
18146 hashing trees instead of a pointer hash.
18147 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
18148 compare for MEM_EXPR.
18150 PR rtl-optimization/25130
18151 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
18152 when comparing MEMs for GCSE
18154 2006-01-03 Ben Elliston <bje@au.ibm.com>
18156 * targhooks.h (default_decimal_float_supported_p): Declare.
18157 * targhooks.c (default_decimal_float_supported_p): Define.
18158 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
18159 `default_decimal_float_supported_p'.
18160 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
18162 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
18164 * combine.c (apply_distributive_law <SUBREG>): Check
18165 TRULY_NOOP_TRUNCATION.
18167 2006-01-02 Geoffrey Keating <geoffk@apple.com>
18169 * dwarf2out.c (have_switched_text_section): Delete.
18170 (have_multiple_function_sections): New.
18171 (have_location_lists): Make 'bool'.
18172 (add_AT_loc_list): Use 'true' not '1'.
18173 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
18174 (output_loc_list): Use have_multiple_function_sections.
18175 (output_ranges): Likewise.
18176 (dwarf2out_begin_function): Set have_multiple_function_sections if
18178 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
18179 Check function_section rather than DECL_SECTION_NAME.
18180 (dwarf2out_finish): Use have_multiple_function_sections.
18181 Don't clear have_location_lists.
18183 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
18184 Jan Hubicka <jh@suse.cz>
18186 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
18187 case of conditional jump jumping to the next instruction.
18188 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
18189 cases of conditional jump jumping to the next instruction.
18191 2006-01-02 Jan Hubicka <jh@suse.cz>
18193 * i386.c (*_cost): Add COSTS_N_INSNS.
18194 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
18196 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
18199 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
18201 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
18203 * config/arm/arm.c (all_fpus): Fix comment typo.
18204 * config/darwin.c: Likewise.
18205 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
18206 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
18207 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
18209 2006-01-01 David Edelsohn <edelsohn@gnu.org>
18211 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
18212 (rs6000_split_compare_and_swapqhi): New.
18213 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
18214 (sync_compare_and_swapqhi_internal): New.
18215 * config/rs6000/rs6000-protos.h: Declare.