1 2007-02-19 Kazu Hirata <kazu@codesourcery.com>
3 * config/sh/divtab.c, config/sh/sh.c, config/sh/sh.h,
4 config/sh/sh.md: Follow spelling conventions.
6 * config/frv/frv.c, config/frv/frv.h, config/frv/frv.md,
7 config/frv/predicates.md: Follow spelling conventions.
9 2007-02-18 Roger Sayle <roger@eyesopen.com>
11 PR rtl-optimization/28173
12 * simplify-rtx.c (simplify_binary_operation_1) <IOR>: Optimize
13 (X & C1) | C2 as C2 when (C1 & C2) == C1 and X has no side-effects.
14 Optimize (X & C1) | C2 as X | C2 when (C1 | C2) == ~0.
15 Canonicalize (X & C1) | C2 as (X & (C1 & ~C2)) | C2.
16 <AND>: Canonicalize (X | C1) & C2 as (X & C2) | (C1 & C2).
18 2007-02-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20 * builtins.c (fold_builtin_load_exponent): New.
21 (fold_builtin_2): Use it.
23 2007-02-18 Steven Bosscher <steven@gcc.gnu.org>
25 PR rtl-optimization/30773
26 * local-alloc.c (update_equiv_regs): Do not set reg_equiv_init
27 if we fail to attach a REG_EQUIV note.
29 2007-02-18 David Edelsohn <edelsohn@gnu.org>
30 Roger Sayle <roger@eyesopen.com>
32 * config/rs6000/rs6000.md (bswapsi2): New define_insn and splitter.
34 2007-02-18 Sandra Loosemore <sandra@codesourcery.com>
36 * calls.c (initialize_argument_information): Pass original EXP
37 and STRUCT_VALUE_ADDR_VALUE instead of a list of arguments. Move
38 code to split complex arguments here, as part of initializing the
40 (expand_call): Remove code that builds a list of arguments and
41 inserts implicit arguments into it. Instead, just count how many
42 implicit arguments there will be so we can determine the size of
43 the ARGS array, and let initialize_argument_information do the work.
44 (split_complex_values): Delete unused function.
46 2007-02-18 Eric Botcazou <ebotcazou@adacore.com>
48 * tree-eh.c (tree_could_trap_p): Handle VIEW_CONVERT_EXPR.
50 2007-02-18 Eric Botcazou <ebotcazou@adacore.com>
52 * calls.c (mem_overlaps_already_clobbered_arg_p): Return true
53 for arg pointer based indexed addressing.
55 2007-02-18 Kazu Hirata <kazu@codesourcery.com>
57 * config/ia64/ia64.h, config/ia64/ia64.md,
58 config/ia64/predicates.md, config/ia64/sysv4.h: Follow
61 2007-02-18 Roman Zippel <zippel@linux-m68k.org>
63 * config/m68k/m68k.c (split_di): New.
64 * config/m68k/m68k-protos.h: Declare split_di.
65 * config/m68k/m68k.md (extendsidi2*,ashldi3*,ashrdi3*,lshrdi3*):
66 Improve predicate handling and split constant shifts.
68 2007-02-18 Roman Zippel <zippel@linux-m68k.org>
70 * config/m68k/m68k.md (extv,extzv,insv): disable dynamic
71 parameter for register bitfield operations, general predicates
74 2007-02-18 Roman Zippel <zippel@linux-m68k.org>
76 * config/m68k/linux.h (MD_UNWIND_SUPPORT): Define.
77 * config/m68k/linux-unwind.h: New file.
79 2007-02-18 Kazu Hirata <kazu@codesourcery.com>
81 * cfgloop.c, config/alpha/alpha.c, config/bfin/bfin.c,
82 config/i386/athlon.md, config/ia64/ia64.md,
83 config/rs6000/rs6000.c, config/s390/s390.c, config/spu/spu.md,
84 df-problems.c, df.h, fold-const.c, ipa-cp.c, ipa-inline.c,
85 ipa-prop.h, see.c, struct-equiv.c, tree-inline.c,
86 tree-ssa-loop-niter.c, tree-vect-analyze.c,
87 tree-vect-transform.c: Fix comment typos.
89 2007-02-17 Kazu Hirata <kazu@codesourcery.com>
91 * sched-deps.c (find_insn_list): Remove.
92 * sched-int.h: Remove the prototype for find_insn_list.
94 2007-02-16 Geoffrey Keating <geoffk@apple.com>
96 * config/darwin.h (LINK_SPEC): Always pass -macosx_version_min
98 (DARWIN_EXTRA_SPECS): Add %(darwin_minversion).
99 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Just call
100 darwin_rs6000_override_options.
101 (C_COMMON_OVERRIDE_OPTIONS): Expect
102 darwin_macosx_version_min to be non-NULL always.
103 (TARGET_C99_FUNCTIONS): Likewise.
104 (CC1_SPEC): Always pass -mmacosx-version-min to cc1*.
105 (DARWIN_MINVERSION_SPEC): New.
106 * config/rs6000/rs6000.c (darwin_rs6000_override_options): New.
107 * config/i386/darwin.h (CC1_SPEC): Always pass -mmacosx-version-min
109 (DARWIN_MINVERSION_SPEC): New.
110 * config/darwin.opt (mmacosx-version-min): Initialize to non-NULL
112 * config/darwin-c.c (darwin_cpp_builtins): Expect
113 darwin_macosx_version_min to be non-NULL always.
115 * config/rs6000/rs6000.c: Clean up trailing whitespace.
117 2007-02-16 Uros Bizjak <ubizjak@gmail.com>
119 * config/i386/i386.h (x86_use_xchgb): New.
120 (TARGET_USE_XCHGB): New macro.
121 * config/i386/i386.c (x86_use_xchgb): Set for PENT4.
122 * config/i386/i386.md (*rotlhi3_1 splitter, *rotrhi3_1 splitter):
123 Split after reload into bswaphi for shifts of 8.
124 (bswaphi_lowpart): Generate rolw insn for HImode byte swaps.
125 (*bswaphi_lowpart_1): Generate xchgb for Q registers for TARGET_XCHGB
126 or when optimizing for size.
128 2007-02-16 Richard Guenther <rguenther@suse.de>
129 Christian Bruel <christian.bruel@st.com>
131 * fold-const.c (tree_swap_operands_p): Treat SSA_NAMEs like
132 DECLs but prefer SSA_NAMEs over DECLs.
134 2007-02-16 Richard Guenther <rguenther@suse.de>
136 * tree-flow-inline.h (single_imm_use_p): Remove.
137 (zero_imm_uses_p): Likewise.
138 * tree-ssa-coalesce.c (create_outofssa_var_map): Use has_single_use
139 instead of single_imm_use_p.
140 * tree-cfg.c (replace_uses_by): Use has_zero_use instead of
143 2007-02-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
146 * Makefile.in (SYSTEM_HEADER_DIR): Use single quotes to avoid
147 nested double- and backquotes.
149 2007-02-15 Roger Sayle <roger@eyesopen.com>
152 * tree.c (expr_align): Handle MODIFY_EXPR. GIMPLE_MODIFY_STMT
153 should be unreachable.
154 (build2_stat): Allow construction of MODIFY_EXPR at any time.
155 For the time being redirect GIMPLE_MODIFY_STMT to the new
156 (renamed) build_gimple_modify_stmt_stat.
157 (build2_gimple_stat): Rename to...
158 (build_gimple_modify_stmt_stat): Now longer take a CODE argument.
159 Always build a GIMPLE_MODIFY_STMT node.
160 * tree.h (build2_gimple, build2_gimple_stat): Delete.
161 (build_gimple_modify_stmt, build_gimple_modify_stmt_stat): New
164 * tree-cfg.c (factor_computed_gotos, tree_merge_blocks,
165 gimplify_val): Use build_gimple_modify_stmt instead of build2_gimple.
166 * tree-complex.c (set_component_ssa_name, expand_complex_move,
167 expand_complex_div_wide): Likewise.
168 * tree-ssa-dom.c (record_equivalences_from_stmt): Likewise.
169 * tree-ssa-loop-im.c (schedule_sm): Likewise.
170 * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Likewise.
171 * tree-ssa-loop-manip.c (create_iv): Likewise.
172 * tree-ssa-phiopt.c (conditional_replacement, minmax_replacement,
173 abs_replacement): Likewise.
174 * tree-ssa-pre.c (create_expression_by_pieces, poolify_modify_stmt,
175 realify_fake_stores): Likewise.
177 * builtins.c (std_expand_builtin_va_start): Build a MODIFY_EXPR
178 node rather than a GIMPLE_MODIFY_STMT node.
179 (std_gimpify_va_arg_expr, expand_builtin_va_copy,
180 fold_builtin_memset, fold_builtin_memory_op, do_mpfr_sincos):
182 (integer_valued_real_p): Handle MODIFY_EXPR, not GIMPLE_MODIFY_STMT.
183 * expr.c (expand_expr_real_1): Handle both MODIFY_EXPR and
186 2007-02-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
189 * fold-const.c (fold_comparison): Add back the
190 folding of constant complex comparisions.
192 2007-02-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
195 * stmt.c (warn_if_unused_value): VA_ARG_EXPR has side
196 effects unknown to this function, return early.
198 2007-02-15 Ian Lance Taylor <iant@google.com>
200 * lower-subreg.c (move_eh_region_note): New static function.
201 (resolve_simple_move): Call it.
202 (decompose_multiword_subregs): Track blocks for which we resolve a
203 simple move which is also a control flow insn. Pass them to
204 find_many_sub_basic_blocks.
205 (pass_lower_subreg): Add TODO_verify_flow.
206 (pass_lower_subreg2): Likewise.
208 2007-02-15 Sandra Loosemore <sandra@codesourcery.com>
209 Brooks Moses <brooks.moses@codesourcery.com>
210 Lee Millward <lee.millward@codesourcery.com>
212 * tree.h (enum tree_code_class): Add tcc_vl_exp.
213 (VL_EXP_CLASS_P): New.
214 (TREE_OPERAND_CHECK): Use TREE_OPERAND_LENGTH instead of
216 (TREE_OPERAND_CHECK_CODE): Likewise.
217 (GIMPLE_STMT_OPERAND_CHECK): Likewise.
218 (TREE_RTL_OPERAND_CHECK): Likewise.
219 (tree_operand_check_failed): Make second parameter the whole tree
220 instead of its code. Fixed callers.
222 (TREE_OPERAND_LENGTH): New.
223 (VL_EXP_OPERAND_LENGTH): New.
225 (CALL_EXPR_STATIC_CHAIN): New.
226 (CALL_EXPR_ARGS): New.
227 (CALL_EXPR_ARG): New.
228 (call_expr_nargs): New.
229 (CALL_EXPR_ARGP): New.
230 (build_nt_call_list): Declare.
231 (build_vl_exp_stat): Declare.
233 (build_call_list): Declare.
234 (build_call_nary): Declare.
235 (build_call_valist): Declare.
236 (build_call_array): Declare.
237 (call_expr_arg): Declare.
238 (call_expr_argp): Declare.
239 (call_expr_arglist): Declare.
240 (fold_build_call_list): Declare.
241 (fold_build_call_list_initializer): Declare.
242 (fold_call_expr): Declare to replace fold_builtin.
243 (fold_builtin_fputs): Update to agree with modified definition.
244 (fold_builtin_strcpy): Likewise.
245 (fold_builtin_strncpy): Likewise.
246 (fold_builtin_memory_chk): Likewise.
247 (fold_builtin_stxcpy_chk): Likewise.
248 (fold_builtin_strncpy_chk): Likewise.
249 (fold_builtin_next_arg): Likewise.
250 (fold_build_call_expr): Declare.
251 (fold_builtin_call_list): Declare.
252 (fold_builtin_call_valist): Declare.
253 (build_call_expr): Declare.
254 (validate_arglist): Update to agree with modified definition.
255 (tree_operand_length): New.
256 (call_expr_arg_iterator): New.
257 (init_call_expr_arg_iterator): New.
258 (next_call_expr_arg): New.
259 (first_call_expr_arg): New.
260 (more_call_expr_args_p): New.
261 (FOR_EACH_CALL_EXPR_ARG): New.
263 * tree.c (tree_code_class_string): Add entries for tcc_vl_exp
265 (tree_code_size): Update documentation. Use sizeof (tree) rather
266 than sizeof (char *).
267 (tree_size): Likewise. Add case for tcc_vl_exp.
268 (tree_node_structure): Add case for tcc_vl_exp.
269 (contains_placeholder_p): Likewise.
270 (substitute_in_expr): Likewise.
271 (substitute_placeholder_in_expr): Likewise.
272 (stabilize_reference_1): Likewise.
273 (build3_stat): Remove logic for CALL_EXPRs. Replace with assertion
274 to diagnose breakage of this interface for constructing CALL_EXPRs.
275 (build_nt): Add similar assertion here.
276 (build_nt_call_list): New.
277 (simple_cst_equal) <CALL_EXPR>: Rewrite to use new accessors.
278 (iterative_hash_expr): Use TREE_OPERAND_LENGTH instead of
280 (get_callee_fndecl): Use new CALL_EXPR accessors.
281 (tree_operand_check_failed): Change parameters to pass entire node
282 instead of its code, so that we can call TREE_OPERAND_LENGTH on it.
283 (process_call_operands): New.
284 (build_vl_exp_stat): New.
285 (build_call_list): New.
286 (build_call_nary): New.
287 (build_call_valist): New.
288 (build_call_array): New.
289 (walk_tree): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
290 (call_expr_arglist): New.
292 * tree.def (CALL_EXPR): Change representation of CALL_EXPRs to use
293 tcc_vl_exp instead of a fixed-size tcc_expression.
295 * doc/c-tree.texi (CALL_EXPR): Document new representation and
296 accessors for CALL_EXPRs.
297 (AGGR_INIT_EXPR): Likewise.
299 2007-02-15 Sandra Loosemore <sandra@codesourcery.com>
300 Brooks Moses <brooks.moses@codesourcery.com>
301 Lee Millward <lee.millward@codesourcery.com>
303 * builtins.c (c_strlen): Return NULL_TREE instead of 0.
304 (expand_builtin_nonlocal_goto): Change parameter to be entire
305 CALL_EXPR instead of an arglist. Use new CALL_EXPR accessors.
306 (expand_builtin_prefetch): Likewise.
307 (expand_builtin_classify_type): Likewise.
308 (mathfn_built_in): Return NULL_TREE instead of 0.
309 (expand_errno_check): Use new CALL_EXPR accessors.
310 (expand_builtin_mathfn): Use new CALL_EXPR accessors and constructors.
311 Return NULL_RTX instead of 0.
312 (expand_builtin_mathfn_2): Likewise.
313 (expand_builtin_mathfn_3): Likewise.
314 (expand_builtin_interclass_mathfn): Likewise.
315 (expand_builtin_sincos): Likewise.
316 (expand_builtin_cexpi): Likewise.
317 (expand_builtin_int_roundingfn): Likewise.
318 (expand_builtin_int_roundingfn_2): Likewise.
319 (expand_builtin_pow): Likewise.
320 (expand_builtin_powi): Likewise.
321 (expand_builtin_strlen): Pass entire CALL_EXPR as parameter instead
322 of arglist, fixing callers appropriately. Use new CALL_EXPR
323 accessors and constructors. Return NULL_RTX instead of 0.
324 (expand_builtin_strstr): Likewise.
325 (expand_builtin_strchr): Likewise.
326 (expand_builtin_strrchr): Likewise.
327 (expand_builtin_strpbrk): Likewise.
328 (expand_builtin_memcpy): Likewise.
329 (expand_builtin_mempcpy): Likewise.
330 (expand_builtin_mempcpy_args): New.
331 (expand_builtin_memmove): Similarly to expand_builtin_mempcpy.
332 (expand_builtin_memmove_args): New.
333 (expand_builtin_bcopy): Similarly to expand_builtin_mempcpy.
334 (expand_movstr): Likewise.
335 (expand_builtin_strcpy): Likewise.
336 (expand_builtin_strcpy_args): New.
337 (expand_builtin_stpcpy): Similarly to expand_builtin_strcpy.
338 (expand_builtin_strncpy): Likewise.
339 (expand_builtin_memset): Likewise.
340 (expand_builtin_memset_args): New.
341 (expand_builtin_bzero): Similarly to expand_builtin_memset.
342 (expand_builtin_memcmp): Likewise.
343 (expand_builtin_strcmp): Likewise.
344 (expand_builtin_strncmp): Likewise.
345 (expand_builtin_strcat): Likewise.
346 (expand_builtin_strncat): Likewise.
347 (expand_builtin_strspn): Likewise.
348 (expand_builtin_strcspn): Likewise.
349 (expand_builtin_args_info): Likewise.
350 (expand_builtin_va_start): Likewise.
351 (gimplify_va_arg_expr): Likewise.
352 (expand_builtin_va_end): Likewise.
353 (expand_builtin_va_copy): Likewise.
354 (expand_builtin_frame_address): Likewise.
355 (expand_builtin_alloca): Likewise.
356 (expand_builtin_bswap): Likewise.
357 (expand_builtin_unop): Likewise.
358 (expand_builtin_fputs): Likewise.
359 (expand_builtin_expect): Likewise.
360 (expand_builtin_fabs): Likewise.
361 (expand_builtin_copysign): Likewise.
362 (expand_builtin_printf): Likewise.
363 (expand_builtin_fprintf): Likewise.
364 (expand_builtin_sprintf): Likewise.
365 (expand_builtin_init_trampoline): Likewise.
366 (expand_builtin_signbit): Likewise.
367 (expand_builtin_fork_or_exec): Likewise.
368 (expand_builtin_sync_operation): Likewise.
369 (expand_builtin_compare_and_swap): Likewise.
370 (expand_builtin_lock_test_and_set): Likewise.
371 (expand_builtin_lock_release): Likewise.
372 (expand_builtin): Likewise.
373 (builtin_mathfn_code): Likewise.
375 (fold_builtin_constant_p): Pass call arguments individually instead
376 of as an arglist, fixing callers appropriately. Use new CALL_EXPR
377 accessors and constructors. Return NULL_TREE instead of 0.
378 (fold_builtin_expect): Likewise.
379 (fold_builtin_classify_type): Likewise.
380 (fold_builtin_strlen): Likewise.
381 (fold_builtin_nan): Likewise.
382 (integer_valued_real_p): Likewise.
383 (fold_trunc_transparent_mathfn): Likewise.
384 (fold_fixed_mathfn): Likewise.
385 (fold_builtin_cabs): Likewise.
386 (fold_builtin_sqrt): Likewise.
387 (fold_builtin_cbrt): Likewise.
388 (fold_builtin_cos): Likewise.
389 (fold_builtin_cosh): Likewise.
390 (fold_builtin_tan): Likewise.
391 (fold_builtin_sincos): Likewise.
392 (fold_builtin_cexp): Likewise.
393 (fold_builtin_trunc): Likewise.
394 (fold_builtin_floor): Likewise.
395 (fold_builtin_ceil): Likewise.
396 (fold_builtin_round): Likewise.
397 (fold_builtin_int_roundingfn): Likewise.
398 (fold_builtin_bitop): Likewise.
399 (fold_builtin_bswap): Likewise.
400 (fold_builtin_logarithm): Likewise.
401 (fold_builtin_hypot): Likewise.
402 (fold_builtin_pow): Likewise.
403 (fold_builtin_powi): Likewise.
404 (fold_builtin_exponent): Likewise.
405 (fold_builtin_memset): Likewise.
406 (fold_builtin_bzero): Likewise.
407 (fold_builtin_memory_op): Likewise.
408 (fold_builtin_bcopy): Deleted; call site changed to invoke
409 fold_builtin_memory_op directly.
410 (fold_builtin_strcpy): Similarly as for fold_builtin_memory_op.
411 (fold_builtin_strncpy): Likewise.
412 (fold_builtin_memcmp): Likewise.
413 (fold_builtin_strcmp): Likewise.
414 (fold_builtin_strncmp): Likewise.
415 (fold_builtin_signbit): Likewise.
416 (fold_builtin_copysign): Likewise.
417 (fold_builtin_isascii): Likewise.
418 (fold_builtin_toascii): Likewise.
419 (fold_builtin_isdigit): Likewise.
420 (fold_builtin_fabs): Likewise.
421 (fold_builtin_abs): Likewise.
422 (fold_builtin_fmin_fmax): Likewise.
423 (fold_builtin_carg): Likewise.
424 (fold_builtin_classify): Likewise.
425 (fold_builtin_unordered_cmp): Likewise.
427 (fold_builtin_0, fold_builtin_2, fold_builtin_3, fold_builtin_4):
428 New functions split out from fold_builtin_1.
429 (fold_builtin_n): New.
430 (fold_builtin_varargs): New.
431 (fold_builtin): Deleted. Most callers changed to use fold_call_expr
433 (fold_call_expr): New.
434 (build_function_call_expr): Rewrite to use new helper function.
435 (fold_builtin_call_list): New.
436 (build_call_expr): New.
437 (fold_builtin_call_valist): New.
438 (rewrite_call_expr): New.
440 (validate_arglist): Change parameter to be entire CALL_EXPR instead
441 of an arglist. Change return type to bool. Use new CALL_EXPR
444 (fold_builtin_strstr): Pass call arguments individually instead
445 of as an arglist, fixing callers appropriately. Use new CALL_EXPR
446 accessors and constructors. Return NULL_TREE instead of 0.
447 (fold_builtin_strchr): Likewise.
448 (fold_builtin_strrchr): Likewise.
449 (fold_builtin_strpbrk): Likewise.
450 (fold_builtin_strcat): Likewise.
451 (fold_builtin_strncat): Likewise.
452 (fold_builtin_strspn): Likewise.
453 (fold_builtin_strcspn): Likewise.
454 (fold_builtin_fputs): Likewise.
455 (fold_builtin_next_arg): Likewise.
456 (fold_builtin_sprintf): Likewise.
458 (expand_builtin_object_size): Use new CALL_EXPR accessors. Use
459 NULL_RTX instead of 0.
460 (expand_builtin_memory_chk): Likewise.
461 (maybe_emit_chk_warning): Likewise.
462 (maybe_emit_sprintf_chk_warning): Likewise.
464 (fold_builtin_object_size): Pass call arguments individually instead
465 of as an arglist, fixing callers appropriately. Use new CALL_EXPR
466 accessors and constructors. Return NULL_TREE instead of 0.
467 (fold_builtin_memory_chk): Likewise.
468 (fold_builtin_stxcpy_chk): Likewise.
469 (fold_builtin_strncpy_chk): Likewise.
470 (fold_builtin_strcat_chk): Likewise.
471 (fold_builtin_strcat_chk): Likewise.
472 (fold_builtin_strncat_chk): Likewise.
473 (fold_builtin_sprintf_chk): Likewise.
474 (fold_builtin_snprintf_chk): Likewise.
475 (fold_builtin_printf): Likewise.
476 (fold_builtin_vprintf): Likewise.
478 * fold-const.c (negate_expr_p): Use new CALL_EXPR accessors and
480 (operand_equal_p): Add separate tcc_vl_exp/CALL_EXPR case.
481 (make_range): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
482 (extract_muldiv_1): Add VL_EXP_CLASS_P case.
483 (fold_mathfn_compare): Use new CALL_EXPR accessors and constructors.
484 (fold_unary): Likewise.
485 (fold_binary): Likewise.
486 (fold_ternary): Remove CALL_EXPR case, since they are no longer
488 (fold): Add logic for tcc_vl_exp.
489 (fold_checksum_tree): Make it know about tcc_vl_exp. Use
490 TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
491 (fold_build3_stat): Add assertion to flag broken interface for
492 constructing CALL_EXPRs.
493 (fold_build_call_list): New.
494 (fold_build_call_list_initializer): New.
495 (tree_expr_nonnegative_p): Use new CALL_EXPR accessors and
497 (fold_strip_sign_ops): Likewise.
499 2007-02-15 Sandra Loosemore <sandra@codesourcery.com>
500 Brooks Moses <brooks.moses@codesourcery.com>
501 Lee Millward <lee.millward@codesourcery.com>
503 * tree-dump.c (dequeue_and_dump) <CALL_EXPR>: Use new CALL_EXPR
504 accessors and dump arguments explicitly.
506 * tree-pretty-print.c (do_niy): Use TREE_OPERAND_LENGTH instead of
508 (dump_generic_node): Use new CALL_EXPR accessors and walk arguments
510 (print_call_name): Use new CALL_EXPR accessors.
512 * print-tree.c (print_node): Add case tcc_vl_exp. Print
513 CALL_EXPR arguments explicitly instead of as a list. Use
514 TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
516 * tree-vrp.c (stmt_interesting_for_vrp): Use new CALL_EXPR accessors.
517 (vrp_visit_stmt): Likewise.
519 * tree-ssa-loop-im.c (outermost_invariant_loop_expr): Make it
520 know about tcc_vl_exp. Use TREE_OPERAND_LENGTH instead of
522 (force_move_till_expr): Likewise.
524 * targhooks.c (default_external_stack_protect_fail): Use
525 build_call_expr instead of build_function_call_expr.
526 (default_hidden_stack_protect_fail): Likewise.
528 * tree-complex.c (expand_complex_libcall): Use build_call_expr to
531 * cgraphbuild.c (build_cgraph_edges): Use new CALL_EXPR accessors
532 and walk arguments explicitly.
534 * tree-ssa-loop-niter.c (simplify_replace_tree): Use
535 TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
536 (expand_simple_operations): Likewise.
537 (infer_loop_bounds_from_array): Use new CALL_EXPR accessors.
539 * gengtype.c (adjust_field_tree_exp): Use TREE_OPERAND_LENGTH instead
541 (walk_type): Tweak walking of arrays not to blow up on CALL_EXPRs.
543 * optabs.c (expand_widen_pattern-expr): Use TREE_OPERAND_LENGTH
544 instead of TREE_CODE_LENGTH.
546 * value_prof.c (tree_ic): Use new CALL_EXPR accessors.
547 (tree_ic_transform): Likewise.
548 (interesting_stringop_to_profile_p): Pass entire CALL_EXPR as
549 parameter instead of arglist. Fix callers.
550 (tree_stringop_fixed_value): Use new CALL_EXPR accessors.
551 (tree_stringops_transform): Likewise.
552 (tree_indirect_call_to_profile): Likewise.
553 (tree_stringops_values_to_profile): Likewise.
555 * tree-tailcall.c (find_tail_calls): Use new CALL_EXPR iterator.
556 (eliminate_tail_call): Likewise.
558 * ipa-cp.c (ipcp_update_callgraph): Use new CALL_EXPR accessors.
560 * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
561 Use TREE_OPERAND_LENGTH and generalize to handle any number of
563 (instantiate_parameters_1): Can't handle tcc_vl_exp here.
565 * omp-low.c (build_omp_barrier): Use build_call_expr.
566 (lower_rec_input_clauses): Likewise.
567 (lower_reduction_clauses): Likewise.
568 (expand_parallel_call): Likewise.
569 (maybe_catch_exception): Likewise.
570 (expand_omp_for_generic): Likewise.
571 (expand_omp_for_static_nochunk): Likewise.
572 (expand_omp_sections): Likewise.
573 (lower_omp_single_simple): Likewise.
574 (lower_omp_single_copy): Likewise.
575 (lower_omp_master): Likewise.
576 (lower_omp_ordered): Likewise.
577 (lower_omp_critical): Likewise.
579 * ipa-reference.c (check-call): Use new CALL_EXPR iterator.
580 (scan_for_static_refs): Create tcc_vl_exp case for CALL_EXPR.
582 * tree-gimple.c (is_gimple_call_addr): Fix doc.
583 (recalculate_side_effects): Use TREE_OPERAND_LENGTH instead of
584 TREE_CODE_LENGTH. Add tcc_vl_exp case.
586 * tree-chrec.c (chrec_contains_symbols): Use TREE_OPERAND_LENGTH
587 and generalize to handle any number of operands.
588 (chrec_contains_undetermined): Likewise.
589 (tree_contains_chrecs): Likewise.
590 (evolution_function_is_invariant_rec_p): Use TREE_OPERAND_LENGTH.
592 * cgraphunit.c (update_call_expr): Use new CALL_EXPR accessors.
594 * tree-ssa-ccp.c (ccp_fold): Use new CALL_EXPR accessors. Use
595 fold_call_expr instead of fold_builtin.
596 (ccp_fold_builtin): Likewise. Update calls into builtins.c to
597 match declarations there.
598 (fold_stmt): Use new CALL_EXPR constructor and accessors. Doc
601 * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Use
602 TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
604 * ipa-pure-const.c (check_call): Use new CALL_EXPR accessors.
605 (scan_function): Add case tcc_vl_exp for CALL_EXPR.
607 * tree-stdarg.c (execute_optimize_stdarg): Use new CALL_EXPR
610 * tree-ssa-math-opts.c (execute_cse_sincos_1): Use build_call_expr.
611 (execute_cse_sincos): Use new CALL_EXPR accessors.
613 * tree-ssa-alias.c (find_used_portions): Use new CALL_EXPR iterator.
615 * gimple-low.c (lower_function_body): Use build_call_expr.
616 (lower_builtin_setjmp): Likewise.
618 * expr.c (emit_block_move_via_libcall): Use build_call_expr.
619 (set_storage_via_libcall): Likewise.
620 (safe_from_p): Add tcc_vl_exp case. Use TREE_OPERAND_LENGTH
621 instead of TREE_CODE_LENGTH.
622 (expand_expr_real_1): Use new CALL_EXPR accessors.
624 * tree-browser.c (store_child_info): Use TREE_OPERAND_LENGTH and
625 generalize to handle any number of operands.
626 (TB_parent_eq): Likewise.
628 * predict.c (expr_expected_value): Use new CALL_EXPR accessors.
629 (strip_builtin_expect): Likewise.
631 * function.c (gimplify_parameters): Use build_call_expr.
633 * tree-vectorizer.c (vect_is_simple_reduction): Use TREE_OPERAND_LENGTH
634 instead of TREE_CODE_LENGTH.
636 * ipa-type-escape.c (check_call): Use new CALL_EXPR iterators.
637 (scan_for_refs): Add case tcc_vl_exp for CALL_EXPR.
639 * tree-data-ref.c (get_references_in_stmt): Use new CALL_EXPR
642 * gimplify.c (build_stack_save_restore): Use build_call_expr.
643 (gimplify_decl_expr): Likewise.
644 (gimplify_call_expr): Use fold_call_expr instead of fold_builtin.
645 Use new CALL_EXPR iterators.
646 (gimplify_modify_expr_to_memcpy): Use build_call_expr.
647 (gimplify_modify_expr_to_memset): Likewise.
648 (gimplify_variable_sized_compare): Likewise.
649 (gimplify_omp_atomic_fetch_op): Likewise.
650 (gimplify_omp_atomic_pipeline): Likewise.
651 (gimplify_omp_atomic_mutex): Likewise.
652 (gimplify_function_tree): Likewise.
654 * calls.c (alloca_call_p): Use new CALL_EXPR accessors.
655 (call_expr_flags): Likewise.
656 (expand_call): Likewise.
658 * except.c (expand_builtin_eh_return_data_regno): Pass entire
659 CALL_EXPR as parameter instead of arglist. Use new CALL_EXPR
662 * coverage.c (create_coverage): Use build_call_expr.
664 * tree-ssa-pre.c (expression_node_pool, list_node_pool): Delete.
665 (temp_call_expr_obstack): New.
666 (pool_copy_list): Delete.
667 (temp_copy_call_expr): New.
668 (phi_translate): Add case tcc_vl_exp for CALL_EXPR. Use new
669 CALL_EXPR accessors. Get rid of special goo for copying argument
670 lists and use temp_copy_call_expr instead.
671 (valid_in_sets): Add case tcc_vl_exp for CALL_EXPR. Use new
673 (create_expression_by_pieces): Likewise. Use build_call_array
674 to construct the result instead of fold_build3.
675 (create_value_expr_from): Add tcc_vl_exp. Delete special goo for
676 dealing with argument lists.
677 (init_pre): Remove references to expression_node_pool and
678 list_node_pool. Init temp_call_expr_obstack instead.
679 (fini_pre): Remove references to expression_node_pool and
682 * tree-sra.c (sra_walk_call_expr): Use new CALL_EXPR accessors
683 and walk arguments explicitly instead of as a list.
685 * tree-mudflap.c (mf_build_check_statement_for): Use build_call_expr.
686 (mx_register_decls): Likewise.
687 (mudflap_register_call): Likewise.
688 (mudflap_finish_file): Likewise.
690 * ipa-prop.c (ipa_callsite_compute_count): Use new CALL_EXPR accessors.
691 (ipa_callsite_compute_param): Likewise.
693 * tree-vect-patterns.c (vect_recog_pow_pattern): Use new CALL_EXPR
694 accessors and constructor.
696 * tree-nested.c (convert_nl_goto_reference): Use new CALL_EXPR
697 accessors and constructor.
698 (convert_tramp_reference): Likewise.
699 (convert_call_expr): Likewise.
700 (finalize_nesting_tree_1): Likewise.
702 * tree-ssa.c (tree_ssa_useless_type_conversion): Use new CALL_EXPR
705 * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Use build_call_expr.
707 * tree-inline.c (initialize_inlined_parameters): Pass entire
708 CALL_EXPR as parameter instead of arglist. Use new CALL_EXPR
710 (estimate_num_insns_1): Use new CALL_EXPR accessors.
711 (expand_call_inline): Tidy up call to initialize_inlined_parameters.
713 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use
714 TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
715 (vectorizable_reduction): Likewise.
716 (vectorizable_call): Use new CALL_EXPR iterators.
717 (vectorizable_conversion): Use build_call_expr.
718 (vectorizable_operation): Use TREE_OPERAND_LENGTH.
719 (vect_gen_widened_results_half): Use build_call_expr.
720 (vect_setup_realignment): Likewise.
721 (vectorizable_live_operation): Use TREE_OPERAND_LENGTH.
723 * tree-object-size.c (alloc_object_size): Use new CALL_EXPR accessors.
724 (pass_through_call): Likewise.
725 (compute_object_sizes): Likewise. Use fold_call_expr instead of
728 * tree-profile.c (tree_gen_interval_profiler): Use build_call_expr.
729 (tree_gen_pow2_profiler): Likewise.
730 (tree_gen_one_value_profiler): Likewise.
731 (tree_gen_ic_func_profiler): Likewise.
732 (tree_gen_average_profiler): Likewise.
733 (tree_gen_ior_profiler): Likewise.
735 * tree-ssa-structalias.c (get_constraint_for): Add case tcc_vl_exp.
736 (find_func_aliases): Use new CALL_EXPR accessors. Add case
737 tcc_vl_exp. Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
739 * tree-ssa-reassoc.c (get_rank): Use TREE_OPERAND_LENGTH instead
742 * stmt.c (warn_if_unused_value): Use TREE_OPERAND_LENGTH instead
745 * convert.c (convert_to_real): Use new CALL_EXPR accessors and
747 (convert_to_integer): Likewise.
749 * tree-ssa-operands.c (get_call_expr_operands): Use new CALL_EXPR
752 2007-02-15 Sandra Loosemore <sandra@codesourcery.com>
753 Brooks Moses <brooks.moses@codesourcery.com>
754 Lee Millward <lee.millward@codesourcery.com>
756 * config/alpha/alpha.c (alpha_expand_builtin): Use new CALL_EXPR
758 * config/frv/frv.c (frv_expand_builtin): Likewise.
759 * config/s390/s390.c (s390_expand_builtin): Likewise.
761 * config/sparc/sparc.c (sparc_gimplify_va_arg): Use build_call_expr.
762 (sparc_expand_builtin): Use new CALL_EXPR accessors.
764 * config/i386/i386.c (ix86_function_ok_for_sibcall): Likewise.
765 (ix86_expand_binop_builtin): Pass entire CALL_EXPR as parameter
766 instead of arglist. Use new CALL_EXPR accessors on it. Fix callers.
767 (ix86_expand_store_builtin): Likewise.
768 (ix86_expand_unop_builtin): Likewise.
769 (ix86_expand_unop1_builtin): Likewise.
770 (ix86_expand_sse_compare): Likewise.
771 (ix86_expand_sse_comi): Likewise.
772 (ix86_expand_vec_init_builtin): Likewise.
773 (ix86_expand_vec_ext_builtin): Likewise.
774 (ix86_expand_vec_set_builtin): Likewise.
775 (ix86_expand_builtin): Use new CALL_EXPR accessors.
777 * config/sh/sh.c (sh_expand_builtin): Use new CALL_EXPR accessors.
778 * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
780 * config/iq2000/iq2000.c (expand_one_builtin): Pass entire CALL_EXPR
781 instead of arglist. Use new CALL_EXPR accessors. Fix callers.
782 (iq2000_expand_builtin): Use new CALL_EXPR accessors.
784 * config/rs6000/rs6000-c.c (altivec_build_resolved_builtin): Use
786 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
787 (rs6000_expand_unop_builtin): Pass entire CALL_EXPR instead of
788 arglist. Use new CALL_EXPR accessors. Fix callers.
789 (altivec_expand_abs_builtin): Likewise.
790 (rs6000_expand_binop_builtin): Likewise.
791 (altivec_expand_predicate_builtin): Likewise.
792 (altivec_expand_lv_builtin): Likewise.
793 (spe_expand_stv_builtin): Likewise.
794 (altivec_expand_stv_builtin): Likewise.
795 (rs6000_expand_ternop_builtin): Likewise.
796 (altivec_expand_ld_builtin): Use new CALL_EXPR accessors.
797 (altivec_expand_st_builtin): Likewise.
798 (altivec_expand_dst_builtin): Likewise.
799 (altivec_expand_vec_init_builtin): Pass entire CALL_EXPR instead of
800 arglist. Use new CALL_EXPR accessors. Fix callers.
801 (altivec_expand_vec_set_builtin): Likewise.
802 (altivec_expand_vec_ext_builtin): Likewise.
803 (altivec_expand_builtin): Use new CALL_EXPR accessors.
804 (spe_expand_builtin): Likewise.
805 (spe_expand_predicate_builtin): Pass entire CALL_EXPR instead of
806 arglist. Use new CALL_EXPR accessors. Fix callers.
807 (spe_expand_evsel_builtin): Likewise.
808 (rs6000_expand_builtin): Use new CALL_EXPR accessors. VCFUX and
809 FCFSX cases must construct whole new CALL_EXPR, not just arglist.
811 * config/arm/arm.c (arm_expand_binop_builtin): Pass entire CALL_EXPR
812 instead of arglist. Use new CALL_EXPR accessors. Fix callers.
813 (arm_expand_unop_builtin): Likewise.
814 (arm_expand_builtin): Use new CALL_EXPR accessors.
816 * config/mips/mips.c (mips_expand_builtin): Use new CALL_EXPR
819 * config/bfin/bfin.c (bfin_expand_binop_builtin): Pass entire CALL_EXPR
820 instead of arglist. Use new CALL_EXPR accessors. Fix callers.
821 (bfin_expand_unop_builtin): Likewise.
822 (bfin_expand_builtin): Use new CALL_EXPR accessors.
824 2007-02-15 Sandra Loosemore <sandra@codesourcery.com>
825 Brooks Moses <brooks.moses@codesourcery.com>
826 Lee Millward <lee.millward@codesourcery.com>
828 * c-semantics.c (build_stmt): Add internal diagnostic check.
830 * c-pretty-print.c (pp_c_postfix_expression): Use new CALL_EXPR
831 accessors. Print arguments explicitly instead of as a list.
833 * c-typeck.c (build_function_call): Use new CALL_EXPR constructors.
835 * c-omp.c (c_finish_omp_barrier): Use build_call_expr.
836 (c_finish_omp_flish): Likewise.
838 * c-common.c (verify_tree): Use new CALL_EXPR accessors. Traverse
839 arguments explicitly instead of as a list. Use TREE_OPERAND_LENGTH
840 instead of TREE_CODE_LENGTH.
841 (check_function_arguments_recurse): Use new CALL_EXPR accessors.
842 (c_warn_unused_result): Likewise.
844 2007-02-15 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
847 * doc/invoke.texi (Warning Options): Remove
848 -Werror-implicit-function-declaration.
849 (Wimplicit-function-declaration): Update description.
850 * opts.c (common_handle_option): Move handling of -Werror=* to...
851 (enable_warning_as_error): ...here.
852 * opts.h (enable_warning_as_error): Declare.
853 * c-decl.c (implicit_decl_warning): Unless
854 -Wno-implicit-function-declaration is given, emit a pedwarn if
855 -std=c99 or emit a warning if -Wimplicit-function-declaration.
856 * c.opt (Wimplicit-function-declaration): Replace
857 mesg_implicit_function_declaration with
858 warn_implicit_function_declaration.
859 * c-opts.c (c_common_handle_option):
860 -Werror-implicit-function-declaration is exactly equal as
861 -Werror=implicit-function-declaration.
862 (set_Wimplicit): Replace mesg_implicit_function_declaration with
863 warn_implicit_function_declaration.
864 (c_common_post_options): -Wimplict-function-declaration is enabled
865 by default by -std=c99, otherwise is disabled by default.
866 * c-objc-common.c (c_objc_common_init): Remove flawed logic.
868 2007-02-15 Eric Botcazou <ebotcazou@adacore.com>
870 * gimplify.c (gimplify_modify_expr): During gimplification, attach a
871 DECL on the rhs to a DECL on the lhs for debug info purposes if the
872 former is ignored but not the latter.
874 2007-02-15 Eric Botcazou <ebotcazou@adacore.com>
876 * expr.c (expand_expr_real_1) <normal_inner_ref>: If a temporary
877 is made and the reference doesn't use the alias set of its type,
878 do not create the temporary using that type.
880 2007-02-15 Aldy Hernandez <aldyh@redhat.com>
882 * jump.c: Remove prototypes for delete_computation and
883 delete_prior_computation.
885 2007-02-15 Paolo Bonzini <bonzini@gnu.org>
887 * jump.c (get_label_after): Delete.
888 (get_label_before, delete_computation, delete_jump,
889 delete_prior_computation, follow_jumps): Move...
890 * reorg.c (delete_computation, delete_prior_computation): ... here...
891 (get_label_before, delete_jump): ... making these static ...
892 (follow_jumps): ... and simplifying this since it only runs after
894 * rtl.h (get_label_after, get_label_before, delete_jump,
895 follow_jumps): Delete prototypes.
897 2007-02-15 Paolo Bonzini <bonzini@gnu.org>
899 * caller-save.c (save_call_clobbered_regs): Do not process sibcalls.
901 2007-02-15 Nick Clifton <nickc@redhat.com>
903 * varasm.c (default_asm_output_anchor): Prepend * to . symbol in
904 order to prevent it from being munged by the target.
906 2007-02-15 Uros Bizjak <ubizjak@gmail.com>
908 * config/i386/i386.md: Remove misleading comment.
910 2007-02-15 Alexandre Oliva <aoliva@redhat.com>
912 * config/frv/frv.md (reload_incc, reload_outcc, reload_incc_uns,
913 reload_outcc_uns, reload_incc_nz, reload_outcc_nz): Remove
916 2007-02-15 Alexandre Oliva <aoliva@redhat.com>
918 * tree-sra.c (instantiate_missing_elements): Canonicalize
920 (sra_build_assignment): New.
921 (generate_copy_inout, generate_element_copy,
922 generate_element_zero, generate_one_element_init): Use it.
924 2007-02-15 Alexandre Oliva <aoliva@redhat.com>
926 * tree-sra.c (instantiate_missing_elements): Canonicalize
928 (sra_build_assignment): New.
929 (generate_copy_inout, generate_element_copy,
930 generate_element_zero, generate_one_element_init): Use it.
932 2007-02-15 Alexandre Oliva <aoliva@redhat.com>
934 * dwarf2out.c (dwarf2out_finish): Accept namespaces as context of
937 2007-02-14 Joseph Myers <joseph@codesourcery.com>
939 * emit-rtl.c (set_mem_attributes_minus_bitpos): Treat complex
940 types as aggregates not scalars.
941 * function.c (assign_stack_temp_for_type): Likewise.
943 2007-02-14 Roger Sayle <roger@eyesopen.com>
944 Zdenek Dvorak <dvorakz@suse.cz>
946 * tree-dump.c (dump_switch_p_1): Require exact match of the option
949 2007-02-14 Zdenek Dvorak <dvorakz@suse.cz>
951 * passes.c (next_pass_1): Clear the next field of the copied
954 2007-02-14 Richard Henderson <rth@redhat.com>
956 * tree-sra.c (early_sra): New.
957 (decl_can_be_decomposed_p): Deny va_list if early_sra.
958 (tree_sra_early, pass_sra_early): New.
959 * tree-pass.h (pass_sra_early): Declare.
960 * passes.c (init_optimization_passes): Use it.
962 2007-02-14 Richard Guenther <rguenther@suse.de>
964 * flags.h (issue_strict_overflow_warning): Convert to a macro.
966 2007-02-14 Dorit Nuzman <dorit@il.ibm.com>
968 PR tree-optimization/30771
969 * tree-vect-analyze.c (vect_determine_vectorization_factor): Traverse
971 (vect_analyze_operations): Induction phis can now be marked as
973 (vect_mark_stmts_to_be_vectorized): No special treatment for phis.
974 Update documentation accordingly.
976 2007-02-14 Nick Clifton <nickc@redhat.com>
978 * builtin-types.def (DEF_FUNCTION_TYPE_x): Do not imply that at
979 most 3 arguments are supported.
980 (DEF_FUNCTION_TYPE_VAR_5): Fix typo in its description.
982 2007-02-13 Seongbae Park <seongbae.park@gmail.com>
984 * bitmap.c (bitmap_and, bitmap_and_compl, bitmap_xor):
985 Ensure dst->current is valid.
987 2007-02-13 Paul Brook <paul@codesourcery.com>
989 * config.gcc: Add arm*-*-uclinux-*eabi.
990 * config/arm/uclinux-elf.h (TARGET_OS_CPP_BUILTINS): Define.
991 (SUBTARGET_EXTRA_LINK_SPEC): Define.
992 (STARTFILE_SPEC, ENDFILE_SPEC): Remove broken -shared handling.
993 (LINK_GCC_C_SEQUENCE_SPEC): Undef.
996 * config/arm/arm.c (arm_override_options): Use r9 as EABI PIC
998 * config/arm/uclinux-eabi.h: New file.
999 * config/arm/linux-eabi.h (WCHAR_TYPE): Remove.
1000 * config/arm/linux-gas.h (WCHAR_TYPE): Use unsigned long on AAPCS
1003 2007-02-13 Ian Lance Taylor <iant@google.com>
1005 * common.opt: Add Wstrict-overflow and Wstrict-overflow=.
1006 * flags.h (warn_strict_overflow): Declare.
1007 (enum warn_strict_overflow_code): Define.
1008 (issue_strict_overflow_warning): New static inline function.
1009 * opts.c (warn_strict_overflow): New variable.
1010 (common_handle_option): Handle OPT_Wstrict_overflow and
1011 OPT_Wstrict_overflow_.
1012 * c-opts.c (c_common_handle_option): Set warn_strict_overflow for
1014 * fold-const.c: Include intl.h.
1015 (fold_deferring_overflow_warnings): New static variable.
1016 (fold_deferred_overflow_warning): New static variable.
1017 (fold_deferred_overflow_code): New static variable.
1018 (fold_defer_overflow_warnings): New function.
1019 (fold_undefer_overflow_warnings): New function.
1020 (fold_undefer_and_ignore_overflow_warnings): New function.
1021 (fold_deferring_overflow_warnings_p): New function.
1022 (fold_overflow_warning): New static function.
1023 (make_range): Add strict_overflow_p parameter. Change all
1025 (extract_muldiv, extract_muldiv_1): Likewise.
1026 (fold_unary) [ABS_EXPR]: Check ABS_EXPR before calling
1027 tree_expr_nonnegative_p.
1028 (fold_negate_expr): Call fold_overflow_warning.
1029 (fold_range_test): Likewise.
1030 (fold_comparison): Likewise.
1031 (fold_binary): Likewise. Call tree_expr_nonnegative_warnv_p
1032 instead of tree_expr_nonnegative_p.
1033 (tree_expr_nonnegative_warnv_p): Rename from
1034 tree_expr_nonnegative_p, add strict_overflow_p parameter.
1035 (tree_expr_nonnegative_p): New function.
1036 (tree_expr_nonzero_warnv_p): Rename from tree_expr_nonzero_p, add
1037 strict_overflow_p parameter.
1038 (tree_expr_nonzero_p): New function.
1039 * passes.c (verify_interpass_invariants): New static function.
1040 (execute_one_pass): Call it.
1041 * tree-ssa-loop-niter.c (expand_simple_operations): Ignore fold
1043 (number_of_iterations_exit, loop_niter_by_eval): Likewise.
1044 (estimate_numbers_of_iterations): Likewise.
1045 (scev_probably_wraps_p): Likewise.
1046 * tree-ssa-ccp.c: Include "toplev.h".
1047 (evaluate_stmt): Defer fold overflow warnings until we know we are
1049 (struct fold_stmt_r_data): Add stmt field.
1050 (fold_stmt_r): Defer fold overflow warnings until we know we
1052 (fold_stmt): Initialize stmt field of fold_stmt_r_data.
1053 (fold_stmt_inplace): Likewise.
1054 * tree-cfgcleanup.c: Include "toplev.h" rather than "errors.h".
1055 (cleanup_control_expr_graph): Defer fold overflow warnings until
1056 we know we are going to optimize.
1057 * tree-cfg.c (fold_cond_expr_cond): Likewise.
1058 * tree-ssa-threadedge.c (simplify_control_stmt_condition):
1060 * tree-vrp.c (vrp_expr_computes_nonnegative): Call
1061 tree_expr_nonnegative_warnv_p instead of tree_expr_nonnegative_p.
1062 * tree-ssa-loop-manip.c (create_iv): Likewise.
1063 * c-typeck.c (build_conditional_expr): Likewise.
1064 (build_binary_op): Likewise.
1065 * tree-vrp.c (vrp_expr_computes_nonzero): Call
1066 tree_expr_nonzero_warnv_p instead of tree_expr_nonzero_p.
1067 (extract_range_from_unary_expr): Likewise.
1068 * simplify-rtx.c (simplify_const_relational_operation): Warn when
1069 assuming that signed overflow does not occur.
1070 * c-common.c (pointer_int_sum): Ignore fold overflow warnings.
1071 * tree.h (tree_expr_nonnegative_warnv_p): Declare.
1072 (fold_defer_overflow_warnings): Declare.
1073 (fold_undefer_overflow_warnings): Declare.
1074 (fold_undefer_and_ignore_overflow_warnings): Declare.
1075 (fold_deferring_overflow_warnings_p): Declare.
1076 (tree_expr_nonzero_warnv_p): Declare.
1077 * doc/invoke.texi (Option Summary): Add -Wstrict-overflow to list
1079 (Warning Options): Document -Wstrict-overflow.
1080 * Makefile.in (tree-ssa-threadedge.o): Depend on toplev.h.
1081 (tree-ssa-ccp.o): Likewise.
1082 (tree-cfgcleanup.o): Change errors.h dependency to toplev.h.
1083 (fold-const.o): Depend on intl.h.
1085 2007-02-13 Ian Lance Taylor <iant@google.com>
1088 * lower-subreg.c (resolve_simple_move): Decompose subregs in
1091 2007-02-13 Stuart Hastings <stuart@apple.com>
1093 * gcc/config/i386/i386.md (fixuns_truncdfhi2): Require SSE2.
1095 2007-02-13 Richard Henderson <rth@redhat.com>
1097 * config/alpha/alpha.c (alpha_stdarg_optimize_hook): Strip
1098 handled_component_p before looking for the indirect_ref.
1100 2007-02-13 Richard Henderson <rth@redhat.com>
1102 * config/i386/i386.md (bswapsi_1): Rename from bswapsi2,
1103 remove flags clobber.
1104 (bswapsi2): New expander, emit code for !TARGET_BSWAP.
1105 (bswaphi_lowpart): New.
1106 (bswapdi2): Rename from bswapdi2_rex, remove flags clobber,
1107 remove TARGET_BSWAP test. Delete expander of the same name.
1109 * optabs.c (widen_bswap, expand_doubleword_bswap): New.
1110 (expand_unop): Use them.
1112 2007-02-13 Uros Bizjak <ubizjak@gmail.com>
1114 * config/i386/i386.md (cmpdi_ccno_1_rex64, *cmpsi_ccno_1,
1115 *cmphi_ccno_1, *cmpqi_ccno_1, *movsi_xor, *movstricthi_xor,
1116 *movstrictqi_xor, *movdi_xor_rex64, *ashldi3_1_rex64,
1117 *ashldi3_cmp_rex64, *ashldi3_cconly_rex64, ashlsi3, *ashlsi3_1_zext,
1118 *ashlsi3_cmp, *ashlsi3_cconly, *ashlsi3_cmp_zext, *ashlhi3_1_lea,
1119 *ashlhi3_1, *ashlhi3_cmp, *ashlhi3_cconly, *ashlqi3_1_lea,
1120 *ashlqi3_1, *ashlqi3_cmp, *ashlqi3_cconly): Remove equivalent
1121 assembler dialect choice from asm templates.
1123 2007-02-12 Richard Henderson <rth@redhat.com>
1125 * config/i386/i386.md (fixuns_trunc<SSEMODEF>si_1): New insn.
1126 (fixuns_trunc<SSEMODEF>si2): Use it.
1127 * config/i386/sse.md (vec_setv4sf_0): Export.
1128 * config/i386/i386.c (ix86_build_const_vector): Export.
1129 (ix86_split_convert_uns_si_sse): Rename from
1130 ix86_expand_convert_uns_si_sse and rewrite as a splitter.
1131 * config/i386/i386-protos.h: Update.
1133 2007-02-13 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1136 * c-typeck.c (c_finish_return): Improve warning message.
1138 2007-02-12 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1140 * alias.c (find_symbolic_term): Delete unused function.
1142 2007-02-12 Uros Bizjak <ubizjak@gmail.com>
1144 * config/i386/i386.md (paritydi2, paritysi2): New expanders.
1145 (paritydi2_cmp, paritydi2_cmp): New insn and split patterns.
1146 (*parityhi2_cmp, *parityqi2_cmp): New insn patterns.
1148 2007-02-12 Eric Botcazou <ebotcazou@adacore.com>
1150 * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
1151 * cgraphunit.c (cgraph_expand_function): If DECL_IGNORED_P is set on
1152 the function, temporarily point the debug interface to the null one.
1154 2007-02-12 Eric Botcazou <ebotcazou@adacore.com>
1156 * dwarf2out.c (round_up_to_align): New static function.
1157 (field_byte_offset): Use it to round the offset.
1159 2007-02-12 Richard Henderson <rth@redhat.com>
1161 * config/alpha/alpha.md (bswapsi2, bswapdi2): New.
1162 (inswl_const): Export.
1164 2007-02-12 Richard Henderson <rth@redhat.com>
1166 * calls.c (emit_library_call_value_1): If PROMOTE_MODE modifed the
1167 result mode of the libcall, convert back to outmode.
1169 2007-02-12 Roger Sayle <roger@eyesopen.com>
1171 * config/i386/i386.md (*bswapdi2_rex): Renamed from bswapdi2.
1172 (bswapdi2): New define_expand to implement 32-bit implementation.
1174 2007-02-12 Nick Clifton <nickc@redhat.com>
1176 * doc/invoke.texi (Overall Options): Document --help=.
1177 * gcc.c (target_help_flag): Rename to print_subprocess_flag.
1178 (cc1_options): Pass --help= on to cc1.
1179 (display_help): Add description of --help=.
1180 (process_command): Add code to handle --help=. Allow translated
1181 --help and --target-help switches to be passed on to compiler
1183 (main): Remove unused if statement.
1184 * opts.c (columns): Remove.
1185 (LEFT_COLUMN): Define.
1186 (wrap_help): Add columns argument.
1187 (print_filtered_help): Change parameters to be an include bitmask,
1188 an exclude bitmask, an any bitmask and the column width. Move the
1189 code to display the params list here. Add code to display the
1190 status of options rather than their descriptions if the quiet flag
1192 (print_specific_help): Change parameters to be an include bitmask,
1193 an exclude bitmask and an any bitmask. Move code to look up the
1194 column width here. Decide upon the title for an options listing.
1195 (common_handle_options): Add code to handle --help=. Adapt code
1196 for --help and --target-help to use the revised form of the
1197 print_specific_help function.
1198 (print_help): Delete.
1199 (print_param_help): Delete.
1200 (print_switch): Delete.
1201 * opts.h (cl_lang_count): Add prototype.
1202 (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_MIN_OPTION_CLASS,
1203 CL_MAX_OPTION_CLASS): New defines.
1204 * optc-gen.awk: Add construction of cl_lang_count.
1205 * c.opt: Add Warning attribute to warning options and Optimization
1206 attribute to optimization options.
1207 * common.opt: Likewise.
1209 Add -fhelp and -ftarget-help as aliases for the transformed --help
1210 and --target-help options.
1211 * opt-functions.awk: Add code to handle Warning and Optimization
1214 2007-02-12 Richard Henderson <rth@redhat.com>
1216 * config/alpha/constraints.md: New file.
1217 * config/alpha/alpha.c: Include tm-constrs.h.
1218 (alpha_const_ok_for_letter_p, alpha_const_double_ok_for_letter_p,
1219 alpha_extra_constraint): Remove.
1220 (alpha_emit_conditional_branch): Use satisfies_constraint_*.
1221 * config/alpha/alpha-protos.h: Update.
1222 * config/alpha/alpha.h (REG_CLASS_FROM_LETTER): Remove.
1223 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Remove.
1224 (EXTRA_CONSTRAINT): Remove.
1225 * config/alpha/alpha.md: Include constraints.md.
1226 (adddi splitter): Use satisfies_constraint_*.
1227 * config/alpha/predicates.md (add_operand): Likewise.
1228 (sext_add_operand, addition_operation): Likewise.
1230 2007-02-12 Dorit Nuzman <dorit@il.ibm.com>
1232 PR tree-optimization/29145
1233 * tree-data-ref.c (base_addr_differ_p): Make us more conservative
1234 in our handling of restrict qualified pointers.
1236 2007-02-12 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1239 * doc/invoke.texi (Wunused-value): Update description.
1240 (Wextra): Delete item.
1241 * opts.c (set_Wextra): Don't use the value of Wextra to set the
1242 value of Wunused-value.
1243 * c-typeck.c (c_process_expr_stmt): Don't check extra_warnings.
1244 (c_finish_stmt_expr): Don't check extra_warnings.
1245 (emit_side_effect_warnings): The caller is responsible to check
1248 2007-02-11 Roger Sayle <roger@eyesopen.com>
1249 Matt Thomas <matt@3am-software.com>
1251 * simplify-rtx.c (simplify_relational_operation_1): Correct typo.
1253 2007-02-11 Roger Sayle <roger@eyesopen.com>
1255 * simplify-rtx.c (simplify_relational_operation_1): Optimize
1256 comparisons of POPCOUNT against zero.
1257 (simplify_const_relational_operation): Likewise.
1259 2007-02-11 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1261 * doc/invoke.texi (Wextra): Delete outdated paragraph.
1263 2007-02-11 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1265 * dwarf2out.c (root_type): Delete unused function.
1267 2007-02-11 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1269 * genattrtab.c (contained_in_p): Delete unused function.
1270 (write_expr_attr_cache): Likewise.
1272 2007-02-11 Jan Hubicka <jh@suse.cz>
1274 * ipa-inline.c (cgraph_edge_badness): Add "else" missing in the
1277 2007-02-11 Steven Bosscher <steven@gcc.gnu.org>
1279 * fwprop.c (try_fwprop_subst): Use set_unique_reg_note
1280 to add the REG_EQ* note.
1281 * see.c (see_merge_one_use_extension): Likewise.
1282 * local-alloc.c (update_equiv_regs): Likewise. Also don't
1283 turn REG_EQUAL notes into REG_EQUIV notes if the target
1284 register may have more than one set.
1285 * function.c (assign_parm_setup_reg): Use set_unique_reg_note.
1286 * gcse.c (try_replace_reg): Likewise.
1287 * alias.c (init_alias_analysis): Use find_reg_equal_equiv_note.
1288 * calls.c (fixup_tail_calls): Likewise. Abort if there is
1289 more than one REG_EQUIV note.
1290 * reload1.c (gen_reload): Use set_unique_reg_note.
1292 2007-02-11 Uros Bizjak <ubizjak@gmail.com>
1294 * config/i386/i386.c (TARGET_VECTORIZE_BUILTIN_CONVERSION): Define.
1295 (ix86_builtin_conversion): New function.
1297 2007-02-06 Mark Mitchell <mark@codesourcery.com>
1300 * tree.h (DECL_REPLACEABLE_P): New macro.
1301 * except.c (set_nothrow_function_flags): Likewise.
1303 2007-02-11 Tehila Meyzels <tehila@il.ibm.com>
1304 Ira Rosen <irar@il.ibm.com>
1305 Dorit Nuzman <dorit@il.ibm.com>
1307 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): New target hook.
1308 * targhooks.c (default_builtin_vectorized_conversion): New.
1309 * targhooks.h (default_builtin_vectorized_function): New declaration.
1310 * target.h (struct vectorize): Add builtin_conversion field.
1311 * tree-vectorizer.h (type_conversion_vec_info_type): New enum
1312 stmt_vec_info_type value.
1313 (vectorizable_conversion): New declaration.
1314 * tree-vect-analyze.c (vect_analyze_operations): Add
1315 vectorizable_conversion call.
1316 * target-def.h (TARGET_VECTORIZE_BUILTIN_CONVERSION): New.
1317 * tree-vect-transform.c (vectorizable_conversion): New function.
1318 (vect_transform_stmt): Add case for type_conversion_vec_info_type.
1319 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
1321 * config/rs6000/rs6000.c (rs6000_builtin_conversion): New.
1322 (TARGET_VECTORIZE_BUILTIN_CONVERSION): Defined.
1323 (rs6000_expand_builtin): Add handling a case of ALTIVEC_BUILTIN_VCFUX
1324 or ALTIVEC_BUILTIN_VCFSX.
1326 2007-02-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1329 * pa.md (movdf): For 64-bit target, fail if operand 1 is a non-zero
1330 CONST_DOUBLE and operand 0 is a hard register.
1331 (movdi): For 64-bit target, remove code to force CONST_DOUBLE to
1332 memory. Fail if operand 1 is a non-zero CONST_INT and operand 0
1333 is a hard floating-point register.
1335 2007-02-10 Richard Henderson <rth@redhat.com>
1336 Jakub Jelinek <jakub@redhat.com>
1337 Alexandre Oliva <aoliva@redhat.com>
1339 * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c.
1340 * builtin-types.def (BT_WORD): Make unsigned.
1341 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
1342 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
1343 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
1344 * c-decl.c (grokdeclarator): Don't error if !have_tls.
1345 * c-parser.c (c_parser_omp_threadprivate): Likewise.
1346 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
1348 * expr.c (emutls_var_address): New.
1349 (expand_expr_real_1): Expand emulated tls.
1350 (expand_expr_addr_expr_1): Likewise.
1351 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
1352 * output.h (emutls_finish): Declare.
1353 * toplev.c (compile_file): Call it.
1354 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
1355 address before wrapping in CONST.
1356 * varasm.c (emutls_htab, emutls_object_type): New.
1357 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
1358 (get_emutls_object_name, get_emutls_object_type): New.
1359 (get_emutls_init_templ_addr, emutls_decl): New.
1360 (emutls_common_1, emutls_finish): New.
1361 (assemble_variable): When emulating tls, swap decls; generate
1362 constructor for the emutls objects.
1363 (do_assemble_alias): When emulating tls, swap decl and target name.
1364 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
1366 * varpool.c (decide_is_variable_needed): Look at force_output.
1367 Recurse for emulated tls.
1368 (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant
1369 with decide_is_variable_needed.
1370 * emutls.c: New file.
1371 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
1372 tls_object for real tls.
1374 2007-02-10 Kaz Kojima <kkojima@gcc.gnu.org>
1376 PR rtl-optimization/29599
1377 * reload1.c (eliminate_regs_in_insn): Take the destination
1378 mode into account when computing the offset.
1380 2007-02-09 Stuart Hastings <stuart@apple.com>
1381 Richard Henderson <rth@redhat.com>
1383 * gcc/config/i386/i386.h (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
1384 * gcc/config/i386/darwin.h: (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
1385 * gcc/config/i386/i386.md (fixuns_trunc<mode>si2, fixuns_truncsfhi2,
1386 fixuns_truncdfhi2): New.
1387 (fix_truncsfdi_sse): Call ix86_expand_convert_sign_didf_sse.
1388 (floatunsdidf2): Call ix86_expand_convert_uns_didf_sse.
1389 (floatunssisf2): Add call to ix86_expand_convert_uns_sisf_sse.
1390 (floatunssidf2): Allow nonimmediate source.
1391 * gcc/config/i386/sse.md (movdi_to_sse): New.
1392 (vec_concatv2di): Drop '*'.
1393 * gcc/config/i386/i386-protos.h (ix86_expand_convert_uns_si_sse,
1394 ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
1395 ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse):
1397 * gcc/config/i386/i386.c (ix86_expand_convert_uns_si_sse,
1398 ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
1399 ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse,
1400 ix86_build_const_vector, ix86_expand_vector_init_one_nonzero): New.
1401 (ix86_build_signbit_mask): Fix decl of v, refactor to call
1402 ix86_build_const_vector.
1403 (x86_emit_floatuns): Rewrite.
1405 2007-02-10 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1407 * genautomata.c (longest_path_length): Delete unused function.
1408 (struct state): Delete unused longest_path_length.
1409 (UNDEFINED_LONGEST_PATH_LENGTH): Delete unused macro.
1410 (get_free_state): Delete unused.
1412 2007-02-09 Jan Hubicka <jh@suse.cz>
1414 * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 30.
1415 * doc/invoke.texi (inline-unit-growth): Update default value.
1417 * Makefile.in (passes.o, ipa-inline.o): Add dependencies.
1418 * cgraphbuild.c (build_cgraph_edges): Compute frequencies.
1419 (rebuild_cgraph_edges): Likewise.
1420 * cgraph.c (cgraph_set_call_stmt): Add new argument frequency.
1421 (dump_cgraph_node): Dump frequencies.
1422 (cgraph_clone_edge): Add frequency scales.
1423 (cgraph_clone_node): Add freuqnecy.
1424 * cgraph.h (cgraph_edge): Add freuqnecy argument.
1425 (CGRAPH_FREQ_BASE, CGRAPH_FREQ_MAX): New constants.
1426 (cgraph_create_edge, cgraph_clone_edge, cgraph_clone_node): Update.
1427 * tree-pass.h (TODO_rebuild_frequencies): New constant.
1428 * cgraphunit.c (verify_cgraph_node): Verify frequencies.
1429 (cgraph_copy_node_for_versioning): Update call of cgraph_clone_edge.
1430 (save_inline_function_body): Likewise.
1431 * ipa-inline.c: inluce rtl.h
1432 (cgraph_clone_inlined_nods): Update call of cgraph_clone_node.
1433 (cgraph_edge_badness): Use frequencies.
1434 (cgraph_decide_recursive_inlining): Update clonning.
1435 (cgraph_decide_inlining_of_small_function): Dump frequency.
1436 * predict.c (estimate_bb_frequencies): Export.
1437 * predict.h (estimate_bb_frequencies): Declare.
1438 * tree-inline.c (copy_bb): Watch overflows.
1439 (expand_call_inline): Update call of cgraph_create_edge.
1440 (optimize_inline_calls): Use TODO flags to update frequnecies.
1441 * passes.h: Include predict.h
1442 (init_optimization_passes): Move profile ahead.
1443 (execute_function_todo): Handle TODO_rebuild_frequencies.
1445 2007-02-09 Roger Sayle <roger@eyesopen.com>
1447 * config/alpha/alpha.c (emit_insxl): Force the first operand of
1448 the insbl or inswl pattern into a register.
1450 2007-02-09 Roger Sayle <roger@eyesopen.com>
1452 * config/ia64/ia64.md (bswapdi2): New define_insn.
1454 2007-02-09 Richard Henderson <rth@redhat.com>
1456 * config/i386/constraints.md (Ym): New constraint.
1457 * config/i386/i386.md (movsi_1): Change Y2 to Yi constraints.
1458 (movdi_1_rex64): Split sse and xmm general register moves from
1459 memory move alternatives. Use conditional register constraints.
1460 (movsf_1, movdf_integer): Likewise.
1461 (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
1462 (movdf_integer_rex64): New.
1463 (pushsf_rex64): Fix output constraints.
1464 * config/i386/sse.md (sse2_loadld): Split rm alternative, use Yi.
1465 (sse2_stored): Likewise.
1466 (sse2_storeq_rex64): New.
1467 * config/i386/i386.c (x86_inter_unit_moves): Enable for not
1468 amd and not generic.
1469 (ix86_secondary_memory_needed): Don't bypass TARGET_INTER_UNIT_MOVES
1470 for optimize_size. Remove SF/DFmode hack.
1472 2007-02-09 Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
1474 * config/i386/driver-i386.c: Turn on -mtune=native for AMDFAM10.
1477 2007-02-09 Nathan Sidwell <nathan@codesourcery.com>
1478 Richard Sandiford <richard@codesourcery.com>
1480 * config.gcc (m68010-*-netbsdelf*, m68k*-*-netbsdelf*)
1481 (m68k*-*-openbsd*, m68k-*-linux*): Set default_cf_cpu.
1482 (m68k-*-aout*, m68k-*-coff*, m68k-*-uclinux*, m68k-*-rtems*): Add
1483 m68k/t-mlib to tmake_file.
1484 (m68020-*-elf*, m68k-*-elf*): Likewise. Add t-m68kbare as well.
1485 (m68k*-*-*): Use --with-arch to pick a default for --with-cpu.
1486 (m680[012]0-*-*, m68k*-*-*): Add support for --with-arch.
1487 Allow it to be cf or m68k. Set m68k_arch_family. If that
1488 variable is not empty, add t-$m68k_arch_family to tmake_file.
1489 Add t-mlibs to tmake_file.
1490 * doc/install.texi: Document --with-arch=m68k and --with-arch=cf.
1491 * config/m68k/t-cf: New file.
1492 * config/m68k/t-m68k: Likewise.
1493 * config/m68k/t-mlibs: Likewise.
1494 * config/m68k/t-m68kbare (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
1495 (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
1496 (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
1497 * config/m68k/t-m68kelf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
1498 (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS, LIBGCC, INSTALL_LIBGCC):
1500 * config/m68k/t-openbsd (MULTILIB_OPTIONS, LIBGCC): Delete.
1501 (INSTALL_LIBGCC): Delete.
1502 (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
1503 * config/m68k/t-rtems (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
1504 (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
1505 (M68K_MLIB_CPU): Define.
1506 * config/m68k/t-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
1507 (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
1508 (M68K_MLIB_CPU, M68K_MLIB_OPTIONS, M68K_MLIB_DIRNAMES): Define.
1510 2007-02-09 Zdenek Dvorak <dvorakz@suse.cz>
1511 Richard Guenther <rguenther@suse.de>
1514 * fold-const.c (fold_comparison): Handle obfuscated comparisons
1515 against INT_MIN/INT_MAX.
1516 * tree-ssa-loop-ivcanon.c (remove_empty_loop): Print to dump
1517 file if a loop is removed.
1519 2007-02-09 Joseph Myers <joseph@codesourcery.com>
1521 * calls.c (store_one_arg): Pass correct alignment to
1522 emit_push_insn for non-BLKmode values.
1523 * expr.c (emit_push_insn): If STRICT_ALIGNMENT, copy to an
1524 unaligned stack slot via a suitably aligned slot.
1526 2007-02-08 DJ Delorie <dj@redhat.com>
1528 * config/m32c/m32c.c (m32c_unpend_compare): Add default to silence
1530 (legal_subregs): Use unsigned char, make const.
1531 (m32c_illegal_subreg_p): Use ARRAY_SIZE. Delete unused variables.
1533 2007-02-08 Paul Brook <paul@codesourcery.com>
1535 * config/arm/lib1funcs.asm (RETLDM): Pop directly into PC when no
1536 special interworking needed.
1538 2007-02-08 Harsha Jagasia <harsha.jagasia@amd.com>
1540 * config/i386/xmmintrin.h: Make inclusion of emmintrin.h
1541 conditional to __SSE2__.
1542 (Entries below should have been added to first ChangeLog
1543 entry for amdfam10 dated 2007-02-05)
1544 * config/i386/emmintrin.h: Generate #error if __SSE2__ is not
1546 * config/i386/pmmintrin.h: Generate #error if __SSE3__ is not
1548 * config/i386/tmmintrin.h: Generate #error if __SSSE3__ is not
1551 2007-02-08 DJ Delorie <dj@redhat.com>
1553 * config/m32c/m32c-protos.h (m32c_illegal_subreg_p): New.
1554 * config/m32c/m32c.c (legal_subregs): New.
1555 (m32c_illegal_subreg_p): New.
1556 * config/m32c/predicates.md (m32c_any_operand): Use it to reject
1557 unsupported subregs of hard regs.
1559 2007-02-08 Jan Hubicka <jh@suse.cz>
1561 * tree-cfg.c (bsi_replace): Shortcut when replacing the statement with
1562 the same one; always update histograms.
1564 2007-02-08 Diego Novillo <dnovillo@redhat.com>
1566 * passes.c (init_optimization_passes): Tidy comment.
1568 2007-02-08 Roger Sayle <roger@eyesopen.com>
1570 * simplify-rtx.c (simplify_unary_operation_1) <POPCOUNT>: We can
1571 strip zero_extend, bswap and rotates from POCOUNT's argument.
1572 <PARITY>: Likewise, we can strip not, bswap, sign_extend,
1573 zero_extend and rotates from PARITY's argument.
1574 <BSWAP>: A byte-swap followed by a byte-swap is an identity.
1575 (simplify_const_unary_operation) <BSWAP>: Evaluate the byte-swap
1576 of an integer constant at compile-time.
1578 2007-02-08 Diego Novillo <dnovillo@redhat.com>
1581 * tree-flow.h (struct var_ann_d): Remove field 'is_used'.
1583 * tree-ssa-alias.c (compute_is_aliased): Remove. Update all
1586 * tree-ssa-live.c (remove_unused_locals): Do not remove
1587 TREE_ADDRESSABLE variables.
1588 * tree-ssa-structalias.c (compute_points_to_sets): Tidy.
1589 * tree-ssa-operands.c (add_virtual_operand): Remove argument
1590 FOR_CLOBBER. Update all users.
1591 If VAR has an associated alias set, add a virtual operand for
1592 it if no alias is found to conflict with the memory reference.
1594 2007-02-07 Jan Hubicka <jh@suse.cz>
1595 Robert Kidd <rkidd@crhc.uiuc.edu>
1597 * value-prof.c (visit_hist, free_hist): Return 1 instead of 0.
1599 2007-02-07 Ian Lance Taylor <iant@google.com>
1601 * lower-subreg.c (simple_move): Reject PARTIAL_INT modes.
1603 2007-02-07 Roger Sayle <roger@eyesopen.com>
1605 * config/rs6000/rs6000.md (ctz<mode>2, ffs<mode>2, popcount<mode>2,
1606 parity<mode>2, smulsi3_highpart, abstf2_internal, allocate_stack,
1607 tablejumpdi, movsi_to_cr_one): Remove constraints from
1608 define_expand's match_operands.
1610 2007-02-07 Roger Sayle <roger@eyesopen.com>
1612 * global.c (compute_regsets): Move declatation of "i" inside of
1613 #ifdef ELIMINABLE_REGS to avoid unused variable bootstrap failure.
1615 2007-02-07 Jakub Jelinek <jakub@redhat.com>
1618 * gimplify.c (gimplify_scan_omp_clauses): Remove special casing
1619 of INDIRECT_REF <RESULT_DECL>.
1621 * config/i386/i386.c (override_options): Set PTA_SSSE3 for core2.
1623 2007-02-06 J"orn Rennecke <joern.rennecke@arc.com>
1624 Kaz Kojima <kkojima@gcc.gnu.org>
1627 * config/sh/sh.c (expand_cbranchdi4): Use scratch register
1629 (sh_initialize_trampoline): Add parentheses to avoid a warning.
1631 2007-02-06 Zdenek Dvorak <dvorakz@suse.cz>
1633 * doc/loop.texi: Document possibility not to perform disambiguation
1634 of loops with multiple latches.
1635 * cfgloopmanip.c (alp_enum_p): Removed.
1636 (add_loop): Handle subloops. Use get_loop_body_with_size.
1637 (create_preheader): Do not allow ENTRY_BLOCK_PTR to be preheader.
1638 * cfghooks.c (redirect_edge_and_branch_force): Set dominator for
1639 the new forwarder block.
1640 (make_forwarder_block): Only call new_bb_cbk if it is not NULL.
1641 Handle the case latch is NULL.
1642 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Avoid cfg modifications
1643 when marking loop exits.
1644 * ifcvt.c (if_convert): Ditto. Mark loop exits even if cfg cannot
1646 * loop-init.c (loop_optimizer_init): Do not modify cfg. Call
1647 disambiguate_loops_with_multiple_latches.
1648 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Calculate dominators
1649 before fix_loop_structure.
1650 * cfgloop.c: Include pointer-set.h and output.h.
1651 (canonicalize_loop_headers, HEADER_BLOCK, LATCH_EDGE,
1652 update_latch_info, mfb_keep_just, mfb_keep_nonlatch): Removed.
1653 (get_loop_latch_edges, find_subloop_latch_edge_by_profile,
1654 find_subloop_latch_edge_by_ivs, find_subloop_latch_edge,
1655 mfb_redirect_edges_in_set, form_subloop, merge_latch_edges,
1656 disambiguate_multiple_latches, get_loop_body_with_size,
1657 disambiguate_loops_with_multiple_latches): New functions.
1658 (flow_loop_dump): Dump multiple latch edges.
1659 (flow_loop_nodes_find): Handle loops with multiple latches.
1660 (flow_loops_find): Ditto. Do not call canonicalize_loop_headers.
1661 (glb_enum_p): Modified.
1662 (get_loop_body): Use get_loop_body_with_size.
1663 * cfgloop.h (LOOPS_HAVE_RECORDED_EXITS): New flag.
1664 (AVOID_CFG_MODIFICATIONS): New constant.
1665 (disambiguate_loops_with_multiple_latches, add_loop,
1666 get_loop_body_with_size): Declare.
1667 * Makefile.in (cfgloop.o): Add pointer-set.h and output.h.
1669 2007-02-06 Seongbae Park <seongbae.park@gmail.com>
1672 * global.c (compute_regsets): New function.
1673 (global_alloc): Refactored ELIMINABLE_REGSET
1674 and NO_GLOBAL_ALLOC_REGS computation out.
1675 (rest_of_handle_global_alloc): Call compute_regsets()
1676 for non-optimizing case.
1678 2007-02-06 Richard Henderson <rth@redhat.com>
1680 * config/i386/constraints.md (Y2): Rename from Y.
1681 (Yi): New constraint.
1682 * config/i386/i386.md (movsi_1, movdi_2, pushdf_nointeger,
1683 pushdf_integer, movdf_nointeger, movdf_integer, zero_extendsidi2_32,
1684 zero_extendsidi2_rex64, truncxfdf2_mixed): Change Y constraints to Y2.
1685 (extendsfdf2_mixed, extendsfdf2_sse, truncdfsf_fast_mixed,
1686 truncdfsf_fast_sse, truncdfsf_mixed, fix_truncdfdi_sse,
1687 fix_truncdfsi_sse, floatsidf2_mixed, floatsidf2_sse,
1688 floatdidf2_mixed, floatdidf2_sse, absnegdf2_mixed,
1689 absnegdf2_sse, sse_setccdf, fop_df_comm_mixed, fop_df_comm_sse,
1690 fop_df_1_mixed, fop_df_1_sse): Change Y constraints to x.
1691 * config/i386/mmx.md (mov<MMXMODEI>_internal_rex64,
1692 mov<MMXMODEI>_internal, movv2sf_internal_rex64, movv2sf_internal,
1693 vec_extractv2si_1): Change Y constraints to Y2.
1694 * config/i386/sse.md (vec_setv4sf_0, vec_concatv2df, vec_dupv4si,
1695 vec_dupv2di, sse2_concatv2si, vec_concatv4si_1, vec_concatv2di):
1696 Change Y constraints to Y2.
1697 (sse2_loadld): Change Y constraints to x.
1699 2007-02-06 Roger Sayle <roger@eyesopen.com>
1701 * config/rs6000/rs6000.md (popcount<mode>2): Rewrite.
1702 (parity<mode>2): New define_expand using rs6000_emit_parity.
1703 * config/rs6000/rs6000.c (rs6000_emit_popcount,
1704 rs6000_emit_parity): New functions.
1705 * config/rs6000/rs6000-protos.h (rs6000_emit_popcount,
1706 rs6000_emit_parity): Prototype here.
1708 2007-02-06 Ian Lance Taylor <iant@google.com>
1710 * lower-subreg.c (simple_move_operand): Reject CONST.
1711 (resolve_clobber): Call validate_change rather than directly
1712 assigning to XEXP (pat, 0).
1714 2006-02-06 Paolo Bonzini <bonzini@gnu.org>
1716 * Makefile.in (tree-ssa-loop-ivopts.o): Add pointer-set.h dependency.
1717 (tree-ssa-reassoc.o): Add pointer-set.h dependency.
1718 (tree-cfg.o): Remove hashtab.h dependency.
1720 * tree-ssa-loop-ivopts.c: Include pointer-set.h.
1721 (struct ivopts_data): Change niters to pointer_map_t.
1722 (struct nfe_cache_elt, nfe_hash, nfe_eq): Delete.
1723 (niter_for_exit): Create pointer_map on demand. Change for
1725 (tree_ssa_iv_optimize_init): Initialize data->niters to NULL.
1726 (free_loop_data): Destroy data->niters if created and reset field.
1727 (tree_ssa_iv_optimize_finalize): Don't delete data->niters here.
1728 (tree_ssa_iv_optimize_loop): Check for presence of stale data.
1730 * tree-ssa-reassoc.c: Include pointer-set.h.
1731 (bb_rank): Change to long *.
1732 (operand_rank): Change to pointer_map_t.
1733 (find_operand_rank): Return long, -1 if not found. Declare as inline.
1734 (insert_operand_rank): Accept long.
1735 (operand_entry_hash, operand_entry_eq): Remove.
1736 (get_rank): Return long. Adjust for changes above.
1737 (init_reassoc): Change rank type to long. Adjust creation of bb_rank
1739 (fini_reassoc): Delete operand_rank with pointer_map_destroy.
1741 * tree-ssa-structalias.c (vi_for_tree): Change to pointer_map.
1742 (struct tree_vi, tree_vi_t, tree_vi_hash, tree_vi_eq): Delete.
1743 (insert_vi_for_tree): Rewrite for pointer_map API. Assert argument
1745 (lookup_vi_for_tree): Rewrite for pointer_map API. Return varinfo_t
1746 directly since it cannot be NULL.
1747 (get_vi_for_tree): Rewrite for pointer_map API.
1748 (find_what_p_points_to): Adjust for change to lookup_vi_for_tree.
1749 (init_alias_vars): Create vi_for_tree as pointer_map.
1750 (delete_points_to_sets): Delete vi_for_tree using pointer_map_destroy.
1752 * tree-cfg.c: Don't include hashtab.h.
1753 (edge_to_cases): Declare as pointer_map.
1754 (struct edge_to_cases_elt, edge_to_cases_hash, edge_to_cases_eq):
1756 (edge_to_cases_cleanup): Rewrite as pointer_map_traverse callback.
1757 (start_recording_case_labels): Create edge_to_cases as pointer_map.
1758 (end_recoding_case_labels): Cleanup edge_to_cases manually before
1760 (record_switch_edge): Delete.
1761 (get_cases_for_edge): Adjust for pointer_map API, inline
1762 record_switch_edge (rewritten for new API), remove goto.
1764 2006-02-06 Paolo Bonzini <bonzini@gnu.org>
1766 * Makefile.in (tree-nested.o): Add pointer-set.h dependency.
1767 * tree-nested.c: Include pointer-set.h.
1768 (var_map_elt, var_map_eq, var_map_hash): Delete.
1769 (struct nesting_info): Remove GTY marker. Change the two htab_t's
1771 (nesting_info_bitmap_obstack): New.
1772 (lookup_field_for_decl): Adjust for pointer_map API.
1773 (lookup_tramp_for_decl): Adjust for pointer_map API.
1774 (get_nonlocal_debug_decl): Adjust for pointer_map API.
1775 (get_local_debug_decl): Adjust for pointer_map API.
1776 (convert_nl_goto_reference): Adjust for pointer_map API.
1777 (convert_nl_goto_receiver): Adjust for pointer_map API.
1778 (create_nesting_tree): Create outside GGC space. Create bitmap on
1779 the new obstack. Create field_map and var_map as pointer_maps.
1780 (free_nesting_tree): Adjust for changes to create_nesting_tree.
1782 (lower_nested_functions): Move root here, no need to NULL it.
1783 Initialize and release the obstack.
1785 2007-02-06 Paolo Bonzini <bonzini@gnu.org>
1787 * tree.c (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p):
1788 Remove prototypes and make them non-static.
1789 (struct tree_int_map): Remove.
1790 * tree.h (struct tree_int_map): Move here, turning TO into an
1792 (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p): Declare.
1794 * tree.h (TREE_COMPLEXITY): Remove.
1795 (struct tree_exp): Remove complexity field.
1796 * tree.c (build1_stat): Don't set it.
1798 2007-02-06 Dorit Nuzman <dorit@il.ibm.com>
1799 Victor Kaplansky <victork@il.ibm.com>
1801 * tree-vectorizer.c (vect_is_simple_use): Support induction.
1802 (vect_is_simple_reduction): Support reduction with induction as
1803 one of the operands.
1804 (vect_is_simple_iv_evolution): Fix formatting.
1805 * tree-vect-analyze.c (vect_mark_stmts_to_be_vectorized): Fix
1806 formatting. Don't mark induction phis for vectorization.
1807 (vect_analyze_scalar_cycles): Analyze all inductions, then reductions.
1808 * tree-vect-transform.c (get_initial_def_for_induction): New function.
1809 (vect_get_vec_def_for_operand): Support induction.
1810 (vect_get_vec_def_for_stmt_copy): Fix formatting and add check for
1812 (vectorizable_reduction): Support reduction with induction as one of
1814 (vectorizable_type_demotion): Use def-type of stmt argument rather
1815 than dummy def-type.
1817 * tree-ssa-loop.c (gate_scev_const_prop): Return the value of
1818 flag_tree_scev_cprop.
1819 * common.opt (tree-scev-cprop): New flag.
1821 * tree-vect-transform.c (vect_create_destination_var): Use 'kind' in
1822 call to vect_get_new_vect_var.
1824 2007-02-06 Ira Rosen <irar@il.ibm.com>
1826 * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Check that
1827 vectype is not NULL.
1828 (vect_pattern_recog_1): Likewise.
1830 2007-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1832 * fold-const.c (negate_expr_p): Handle CONJ_EXPR.
1833 (fold_negate_expr): Likewise.
1835 2007-02-05 Alexandre Oliva <aoliva@redhat.com>
1838 * dwarf2out.c (modified_type_die): Follow DECL_ORIGINAL_TYPE
1839 even if cv-qualification is the same.
1841 2007-02-05 Geoffrey Keating <geoffk@apple.com>
1843 * config/rs6000/darwin-tramp.asm (__trampoline_setup): Call
1844 __enable_execute_stack on completion.
1846 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
1848 * config/i386/athlon.md (athlon_fldxf_k8, athlon_fld_k8,
1849 athlon_fstxf_k8, athlon_fst_k8, athlon_fist, athlon_fmov,
1850 athlon_fadd_load, athlon_fadd_load_k8, athlon_fadd, athlon_fmul,
1851 athlon_fmul_load, athlon_fmul_load_k8, athlon_fsgn,
1852 athlon_fdiv_load, athlon_fdiv_load_k8, athlon_fdiv_k8,
1853 athlon_fpspc_load, athlon_fpspc, athlon_fcmov_load,
1854 athlon_fcmov_load_k8, athlon_fcmov_k8, athlon_fcomi_load_k8,
1855 athlon_fcomi, athlon_fcom_load_k8, athlon_fcom): Added amdfam10.
1857 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
1859 * config/i386/i386.md (x86_sahf_1, cmpfp_i_mixed, cmpfp_i_sse,
1860 cmpfp_i_i387, cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387,
1861 swapsi, swaphi_1, swapqi_1, swapdi_rex64, fix_truncsfdi_sse,
1862 fix_truncdfdi_sse, fix_truncsfsi_sse, fix_truncdfsi_sse,
1863 x86_fldcw_1, floatsisf2_mixed, floatsisf2_sse, floatdisf2_mixed,
1864 floatdisf2_sse, floatsidf2_mixed, floatsidf2_sse,
1865 floatdidf2_mixed, floatdidf2_sse, muldi3_1_rex64, mulsi3_1,
1866 mulsi3_1_zext, mulhi3_1, mulqi3_1, umulqihi3_1, mulqihi3_insn,
1867 umulditi3_insn, umulsidi3_insn, mulditi3_insn, mulsidi3_insn,
1868 umuldi3_highpart_rex64, umulsi3_highpart_insn,
1869 umulsi3_highpart_zext, smuldi3_highpart_rex64,
1870 smulsi3_highpart_insn, smulsi3_highpart_zext, x86_64_shld,
1871 x86_shld_1, x86_64_shrd, sqrtsf2_mixed, sqrtsf2_sse,
1872 sqrtsf2_i387, sqrtdf2_mixed, sqrtdf2_sse, sqrtdf2_i387,
1873 sqrtextendsfdf2_i387, sqrtxf2, sqrtextendsfxf2_i387,
1874 sqrtextenddfxf2_i387): Added amdfam10_decode.
1876 * config/i386/athlon.md (athlon_idirect_amdfam10,
1877 athlon_ivector_amdfam10, athlon_idirect_load_amdfam10,
1878 athlon_ivector_load_amdfam10, athlon_idirect_both_amdfam10,
1879 athlon_ivector_both_amdfam10, athlon_idirect_store_amdfam10,
1880 athlon_ivector_store_amdfam10): New define_insn_reservation.
1881 (athlon_idirect_loadmov, athlon_idirect_movstore): Added
1884 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
1886 * config/i386/athlon.md (athlon_call_amdfam10,
1887 athlon_pop_amdfam10, athlon_lea_amdfam10): New
1888 define_insn_reservation.
1889 (athlon_branch, athlon_push, athlon_leave_k8, athlon_imul_k8,
1890 athlon_imul_k8_DI, athlon_imul_mem_k8, athlon_imul_mem_k8_DI,
1891 athlon_idiv, athlon_idiv_mem, athlon_str): Added amdfam10.
1893 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
1895 * config/i386/athlon.md (athlon_sseld_amdfam10,
1896 athlon_mmxld_amdfam10, athlon_ssest_amdfam10,
1897 athlon_mmxssest_short_amdfam10): New define_insn_reservation.
1899 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
1901 * config/i386/athlon.md (athlon_sseins_amdfam10): New
1902 define_insn_reservation.
1903 * config/i386/i386.md (sseins): Added sseins to define_attr type
1904 and define_attr unit.
1905 * config/i386/sse.md: Set type attribute to sseins for insertq
1908 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
1910 * config/i386/athlon.md (sselog_load_amdfam10, sselog_amdfam10,
1911 ssecmpvector_load_amdfam10, ssecmpvector_amdfam10,
1912 ssecomi_load_amdfam10, ssecomi_amdfam10,
1913 sseaddvector_load_amdfam10, sseaddvector_amdfam10): New
1914 define_insn_reservation.
1915 (ssecmp_load_k8, ssecmp, sseadd_load_k8, seadd): Added amdfam10.
1917 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
1919 * config/i386/athlon.md (cvtss2sd_load_amdfam10,
1920 cvtss2sd_amdfam10, cvtps2pd_load_amdfam10, cvtps2pd_amdfam10,
1921 cvtsi2sd_load_amdfam10, cvtsi2ss_load_amdfam10,
1922 cvtsi2sd_amdfam10, cvtsi2ss_amdfam10, cvtsd2ss_load_amdfam10,
1923 cvtsd2ss_amdfam10, cvtpd2ps_load_amdfam10, cvtpd2ps_amdfam10,
1924 cvtsX2si_load_amdfam10, cvtsX2si_amdfam10): New
1925 define_insn_reservation.
1927 * config/i386/sse.md (cvtsi2ss, cvtsi2ssq, cvtss2si,
1928 cvtss2siq, cvttss2si, cvttss2siq, cvtsi2sd, cvtsi2sdq,
1929 cvtsd2si, cvtsd2siq, cvttsd2si, cvttsd2siq,
1930 cvtpd2dq, cvttpd2dq, cvtsd2ss, cvtss2sd,
1931 cvtpd2ps, cvtps2pd): Added amdfam10_decode attribute.
1933 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
1935 * config/i386/athlon.md (athlon_ssedivvector_amdfam10,
1936 athlon_ssedivvector_load_amdfam10, athlon_ssemulvector_amdfam10,
1937 athlon_ssemulvector_load_amdfam10): New define_insn_reservation.
1938 (athlon_ssediv, athlon_ssediv_load_k8, athlon_ssemul,
1939 athlon_ssemul_load_k8): Added amdfam10.
1941 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
1943 * config/i386/i386.h (TARGET_SSE_UNALIGNED_MOVE_OPTIMAL): New macro.
1944 (x86_sse_unaligned_move_optimal): New variable.
1946 * config/i386/i386.c (x86_sse_unaligned_move_optimal): Enable for
1948 (ix86_expand_vector_move_misalign): Add code to generate movupd/movups
1949 for unaligned vector SSE double/single precision loads for AMDFAM10.
1951 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
1953 * config/i386/i386.h (TARGET_AMDFAM10): New macro.
1954 (TARGET_CPU_CPP_BUILTINS): Add code for amdfam10.
1955 Define TARGET_CPU_DEFAULT_amdfam10.
1956 (TARGET_CPU_DEFAULT_NAMES): Add amdfam10.
1957 (processor_type): Add PROCESSOR_AMDFAM10.
1959 * config/i386/i386.md: Add amdfam10 as a new cpu attribute to match
1960 processor_type in config/i386/i386.h.
1961 Enable imul peepholes for TARGET_AMDFAM10.
1963 * config.gcc: Add support for --with-cpu option for amdfam10.
1965 * config/i386/i386.c (amdfam10_cost): New variable.
1966 (m_AMDFAM10): New macro.
1967 (m_ATHLON_K8_AMDFAM10): New macro.
1968 (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
1969 x86_cmove, x86_3dnow_a, x86_deep_branch, x86_use_simode_fiop,
1970 x86_promote_QImode, x86_integer_DFmode_moves,
1971 x86_partial_reg_dependency, x86_memory_mismatch_stall,
1972 x86_accumulate_outgoing_args, x86_arch_always_fancy_math_387,
1973 x86_sse_partial_reg_dependency, x86_sse_typeless_stores,
1974 x86_use_ffreep, x86_use_incdec, x86_four_jump_limit,
1975 x86_schedule, x86_use_bt, x86_cmpxchg16b, x86_pad_returns):
1976 Enable/disable for amdfam10.
1977 (override_options): Add amdfam10_cost to processor_target_table.
1978 Set up PROCESSOR_AMDFAM10 for amdfam10 entry in
1979 processor_alias_table.
1980 (ix86_issue_rate): Add PROCESSOR_AMDFAM10.
1981 (ix86_adjust_cost): Add code for amdfam10.
1983 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
1985 * config/i386/i386.opt: Add new Advanced Bit Manipulation (-mabm)
1986 instruction set feature flag. Add new (-mpopcnt) flag for popcnt
1987 instruction. Add new SSE4A (-msse4a) instruction set feature flag.
1988 * config/i386/i386.h: Add builtin definition for SSE4A.
1989 * config/i386/i386.md: Add support for ABM instructions
1991 * config/i386/sse.md: Add support for SSE4A instructions
1992 (movntss, movntsd, extrq, insertq).
1993 * config/i386/i386.c: Add support for ABM and SSE4A builtins.
1994 Add -march=amdfam10 flag.
1995 * config/i386/ammintrin.h: Add support for SSE4A intrinsics.
1996 * doc/invoke.texi: Add documentation on flags for sse4a, abm, popcnt
1998 * doc/extend.texi: Add documentation for SSE4A builtins.
2000 2007-02-05 Bob Wilson <bob.wilson@acm.org>
2002 * config/xtensa/xtensa.c (constantpool_mem_p): Skip over SUBREGs.
2004 2007-02-05 Richard Guenther <rguenther@suse.de>
2006 * tree-vectorizer.h (vectorizable_function): Add argument type
2007 argument, change return type.
2008 * tree-vect-patterns.c (vect_recog_pow_pattern): Adjust caller.
2009 * tree-vect-transform.c (vectorizable_function): Handle extra
2010 argument, return vectorized function decl.
2011 (build_vectorized_function_call): Remove.
2012 (vectorizable_call): Handle calls with result and argument types
2013 differing. Handle loop vectorization factor correctly.
2014 * targhooks.c (default_builtin_vectorized_function): Adjust for
2016 * targhooks.h (default_builtin_vectorized_function): Likewise.
2017 * target.h (builtin_vectorized_function): Add argument type
2019 * config/i386/i386.c (ix86_builtin_vectorized_function): Handle
2020 extra argument, allow vectorizing of lrintf.
2021 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Adjust
2022 documentation of target hook.
2024 2007-02-05 Hans-Peter Nilsson <hp@axis.com>
2027 * config/cris/cris.md ("*andsi_movu", "*andsi_clear", "*andhi_movu")
2028 ("*andhi_clear", andu (casesi+45)): For size-changed operand where
2029 memory is allowed, require !side_effects_p, not just !MEM_VOLATILE_P.
2031 2007-02-05 Roger Sayle <roger@eyesopen.com>
2033 * fold-const.c (fold_unary) <REAL_PART>: Test for availability of
2034 BUILT_IN_COS before simplifying REAL_PART(CEXPI)) to COS.
2035 <IMAG_PART>: Likewise, check for availability of BUILT_IN_SIN.
2036 * builtins.c (fold_builtin_sincos): Check for TARGET_C99_FUNCTIONS
2037 before canonicalizing sincos to cexpi.
2038 (fold_builtin_cexp): Likewise, for canonicalizing cexp to cexpi.
2040 2007-02-05 Roger Sayle <roger@eyesopen.com>
2042 * config/alpha/alpha.c (alpha_add_builtins): New Helper function.
2043 Set TREE_READONLY and TREE_NOTHROW directly, not via attributes.
2044 (alpha_init_builtins): Use alpha_add_builtins to process tables.
2046 2007-02-05 Roger Sayle <roger@eyesopen.com>
2048 * mips-tfile.c (initialize_init_file): Correct endianness test.
2050 2007-02-05 Kazu Hirata <kazu@codesourcery.com>
2052 * config/m68k/m68k.md (pushdi-1, pushdi, movsi+1): Don't use
2055 2007-02-05 Richard Sandiford <richard@codesourcery.com>
2057 * dwarf2out.c (dwarf2out_frame_debug_expr): Record the register
2058 saves in a PARALLEL before the register assignments.
2060 2007-02-05 Richard Sandiford <richard@codesourcery.com>
2062 * doc/tm.texi (DWARF_ALT_FRAME_RETURN_COLUMN): Do not require
2063 DWARF_FRAME_RETURN_COLUMN to be a general register.
2064 * dwarf2out.c (init_return_column_size): New function, split from...
2065 (expand_builtin_init_dwarf_reg_sizes): ...here. Allow both
2066 DWARF_FRAME_RETURN_COLUMN and DWARF_ALT_FRAME_RETURN_COLUMN
2067 to be nongeneral registers.
2068 * config/m68k/m68k.h (DWARF_FRAME_REGNUM): Only map FP and
2070 (DWARF_FRAME_REGISTERS, DWARF_FRAME_RETURN_COLUMN): Define.
2071 (DWARF_ALT_FRAME_RETURN_COLUMN): Define.
2073 2007-02-04 Zdenek Dvorak <dvorakz@suse.cz>
2075 * cfgcleanup.c (try_optimize_cfg): Avoid removing ENTRY_BLOCK_PTR.
2077 2007-02-04 Zdenek Dvorak <dvorakz@suse.cz>
2079 * cfgloopmanip.c (loop_delete_branch_edge): Removed.
2080 (remove_path): Use can_remove_branch_p and remove_branch instead
2081 of loop_delete_branch_edge.
2082 * tree-ssa-loop-manip.c (scale_dominated_blocks_in_loop): New function.
2083 (tree_transform_and_unroll_loop): Remove dead branches immediately.
2084 Update profile using scale_dominated_blocks_in_loop.
2085 * cfghooks.c (can_remove_branch_p, remove_branch): New functions.
2086 * cfghooks.h (struct cfg_hooks): Add can_remove_branch_p.
2087 (can_remove_branch_p, remove_branch): Declare.
2088 * tree-cfg.c (tree_can_remove_branch_p): New function.
2089 (tree_cfg_hooks): Add tree_can_remove_branch_p.
2090 * cfgrtl.c (rtl_can_remove_branch_p): New function.
2091 (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add rtl_can_remove_branch_p.
2093 2007-02-05 Jan Hubicka <jh@suse.cz>
2096 * ipa-inline.c (cgraph_clone_inlined_nodes): When there are unanalyzed
2097 nodes in cgraph, don't remove offline copy of the function.
2099 2007-02-04 Jan Hubicka <jh@suse.cz>
2101 * tree-sra.c (sra_walk_expr): Add linebreaks. BITFIELD_REFs into
2102 vectors might cause maybe_lookup_element_for_expr to be called
2103 on non-sra-candidate.
2105 2007-02-04 Kazu Hirata <kazu@codesourcery.com>
2107 * config/bfin/bfin-modes.def, config/bfin/bfin.c,
2108 config/bfin/bfin.md, config/bfin/predicates.md: Follow
2109 spelling conventions.
2111 2007-02-04 Richard Guenther <rguenther@suse.de>
2114 * fold-const.c (try_move_mult_to_index): Make sure to not
2115 overflow one dimension of a multi-dimensional array access.
2117 2007-02-04 Jan Hubicka <jh@suse.cz>
2119 * passes.c (init_optimization_passes): Reindent.
2121 2007-02-04 Jan Hubicka <jh@suse.cz>
2122 Eric Botcazou <ebotcazou@adacore.com>
2124 * tree-optimize.c (has_abnormal_outgoing_edge_p): Move to...
2125 (execute_fixup_cfg): Break out the abnormal goto code.
2126 * tree-inline.c (has_abnormal_outgoing_edge_p): ...here.
2127 (make_nonlocal_label_edges): Move here from execute_fixup_cfg.
2128 (optimize_inline_calls): Call make_nonlocal_label_edges.
2130 2007-02-04 Jan Hubicka <jh@suse.cz>
2132 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Return
2133 true when something was changed.
2134 (rename_ssa_copies): When something was changed, do
2135 TODO_remove_unused_locals.
2136 * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
2137 add TODO_remove_unused_locals when instruction was removed.
2139 2007-02-04 Jan Hubicka <jh@suse.cz>
2141 * ipa-inline.c (try_inline): Improve debug output; work on already
2143 (cgraph_decide_inlining_incrementally): Indent; improve debug output;
2144 call try_inline for already inlined edges too when flattening;
2145 inline also functions that make callee growth but overall unit size
2148 2007-02-04 Kazu Hirata <kazu@codesourcery.com>
2150 * config/m32c/bitops.md, config/m32c/jump.md,
2151 config/m32c/m32c.c, config/m32c/m32c.h, config/m32r/m32r.c,
2152 config/m32r/m32r.h, config/m32r/m32r.md,
2153 config/m32r/predicates.md, config/m68hc11/larith.asm,
2154 config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
2155 config/m68k/m68k.h, config/mcore/mcore.md, config/mips/4k.md,
2156 config/mips/mips-protos.h, config/mips/mips.c,
2157 config/mips/mips.h, config/mips/mips.md, config/mips/mips16.S,
2158 config/mn10300/mn10300.h, config/mn10300/predicates.md,
2159 config/mt/mt.c, config/mt/mt.h, config/mt/mt.md: Follow
2160 spelling conventions.
2162 * config/v850/v850.c, config/v850/v850.h, config/v850/v850.md:
2163 Follow spelling conventions.
2165 2007-02-03 Douglas Gregor <doug.gregor@gmail.com>
2167 * c-opts.c (c_common_post_options): If C++0x mode is enabled, don't
2168 warn about C++0x compatibility.
2170 2007-02-04 Kazu Hirata <kazu@codesourcery.com>
2172 * config/h8300/h8300.c, config/h8300/h8300.h,
2173 config/h8300/h8300.md: Follow spelling conventions.
2175 2007-02-03 Uros Bizjak <ubizjak@gmail.com>
2178 * combine.c (try_combine): Do not substitute source operand
2179 with constants wider than 2 * HOST_BITS_PER_WIDE_INT.
2181 2007-02-03 Jan Hubicka <jh@suse.cz>
2183 PR gcov-profile/30650
2184 * value-prof.c (stringop_block_profile): Fix handling of size counter;
2185 do not divide by zero for never executed counters.
2186 (tree_find_values_to_profile): Fix counters.
2187 * gcov-ui.h (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): Fix comments.
2189 2007-02-03 Ian Lance Taylor <iant@google.com>
2191 * lower-subreg.c (simple_move_operand): New static function,
2192 broken out of simple_move. Reject LABEL_REF, SYMBOL_REF, and HIGH
2194 (simple_move): Call simple_move_operand.
2195 (find_decomposable_subregs): Add special handling of MEMs.
2196 (can_decompose_p): Rename from cannot_decompose_p. Reverse
2197 meaning of return value. If we see a hard register, test whether
2198 it can store a word_mode value. Change all callers.
2200 2007-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2202 * pa.md (addvdi3, addvsi3, subvdi3, subvsi3, negvdi2, negvsi2): New
2203 ftrapv insns and expanders.
2204 (subdi3): Change define_expand operand 1 to arith11_operand, and
2205 operand 2 to reg_or_0_operand. Change constraints of 64-bit insn
2206 pattern to handle reg_or_0 operands. Revise 32-bit insn pattern to
2207 handle 11-bit constants and reg_or_0 operands in operands 1 and 2,
2211 * varasm.c (notice_global_symbol): Treat global objects as weak when
2214 2007-02-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2216 * emit-rtl.c (dconstpi): Delete.
2218 (init_emit_once): Delete dconstpi and init dconstsqrt2.
2219 * real.h (dconstpi): Delete.
2221 * builtins.c (fold_builtin_cabs): Use dconstsqrt2.
2222 (fold_builtin_hypot): Likewise.
2224 2007-02-03 Tom Tromey <tromey@redhat.com>
2227 * gcc.c (cpp_unique_options): Any of -ggdb3, -gstabs3,
2228 -gcoff3, -gxcoff3, -gvms3 implies -dD.
2230 2007-02-03 Kazu Hirata <kazu@codesourcery.com>
2232 * c-decl.c, config/avr/avr.c, config/avr/avr.h,
2233 config/m68k/m68k.c, config/m68k/netbsd-elf.h,
2234 config/mn10300/mn10300.c, config/pdp11/pdp11.h,
2235 config/rs6000/cell.md, config/rs6000/darwin.h,
2236 config/sh/sh.md, config/sh/sh4-300.md, config/spu/spu.c,
2237 config/spu/spu.md, cselib.c, expr.c, haifa-sched.c, hwint.h,
2238 jump.c, reload.c, sched-deps.c, sched-int.h, tree-inline.c,
2239 tree-profile.c, tree-ssa-live.h, tree-vrp.c: Fix comment
2240 typos. Follow spelling conventions.
2241 * doc/invoke.texi: Follow spelling conventions.
2243 2007-02-03 Roger Sayle <roger@eyesopen.com>
2245 * simplify-rtx.c (simplify_relational_operation_1): Implement some
2246 canonicalization transformations that attempt to simplify integer
2247 constant comparisons to become comparisons against zero.
2249 2007-02-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2251 * builtins.c (fold_builtin_cabs): Fold cabs(x+xi) into
2253 * fold-const.c (fold_binary): Fix comment typos. Fold complex
2254 (x,0)-(0,y) into (x,-y). Likewise (0,y)-(x,0) into (-x,y).
2256 2007-02-02 Mike Stump <mrs@apple.com>
2258 * config/darwin9.h (DARWIN_LINKER_GENERATES_ISLANDS): Add.
2259 * config/rs6000/rs6000.c (DARWIN_GENERATE_ISLANDS): Add.
2260 (output_call): Use DARWIN_GENERATE_ISLANDS to decide when to
2261 generate a branch island.
2263 2007-02-02 Bob Wilson <bob.wilson@acm.org>
2265 * config/xtensa/xtensa.c (smalloffset_mem_p): Use BASE_REG_P.
2266 (xtensa_legitimate_address_p): New.
2267 (xtensa_legitimize_address): New.
2268 (xtensa_output_addr_const_extra): New.
2269 * config/xtensa/xtensa.h (REG_OK_STRICT_FLAG): Define.
2271 (REG_OK_FOR_BASE_P): Use BASE_REG_P.
2272 (GO_IF_LEGITIMATE_ADDRESS): Move code to xtensa_legitimate_address_p.
2273 (LEGITIMIZE_ADDRESS): Move code to xtensa_legitimize_address.
2274 (OUTPUT_ADDR_CONST_EXTRA): Move code to xtensa_output_addr_const_extra.
2275 * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): New.
2276 (xtensa_legitimize_address): New.
2277 (xtensa_output_addr_const_extra): New.
2279 2007-02-02 Steve Ellcey <sje@cup.hp.com>
2281 * config/ia64/ia64.c (ia64_print_operand): Fix compare strings.
2283 2007-02-02 Ian Lance Taylor <iant@google.com>
2285 * expmed.c (expand_divmod): Add comment.
2287 2007-02-02 Kazu Hirata <kazu@codesourcery.com>
2289 * emit-rtl.c (renumber_insns): Remove.
2290 * flags.h: Remove the extern for flag_renumber_insns.
2291 * rtl.h: Remove the prototype for renumber_insns.
2292 * toplev.c (flag_renumber_insns): Remove.
2294 2007-02-02 Hui-May Chang <hm.chang@apple.com>
2296 Revert for x86 darwin:
2297 2005-06-19 Uros Bizjak <uros@kss-loka.si>
2299 * config/i386/i386.c (ix86_function_arg_regno_p): Put back the
2300 code before the following patch under TARGET_MACHO.
2301 (ix86_function_value_regno_p): Likewise.
2303 2007-02-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2305 * fold-const.c (negate_expr_p, fold_negate_expr): Handle
2308 2007-02-02 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2311 * config/ia64/ia64.c (ia64_speculate_insn): Restrict to memory loads to
2312 general or fp registers. Add comments.
2313 * config/ia64/ia64.md (reg_pred_prefix): Add comment.
2315 2007-02-02 Paolo Bonzini <bonzini@gnu.org>
2317 * pointer-set.c (insert_aux): Only return insertion slot.
2318 (pointer_set_insert): Adjust.
2319 (pointer_set_traverse, struct pointer_map_t, pointer_map_create,
2320 pointer_map_destroy, pointer_map_insert, pointer_map_contains,
2321 pointer_map_traverse): New.
2322 * pointer-set.h (pointer_set_traverse, struct pointer_map_t,
2323 pointer_map_create, pointer_map_destroy, pointer_map_insert,
2324 pointer_map_contains, pointer_map_traverse): Declare.
2326 2007-02-02 Jakub Jelinek <jakub@redhat.com>
2329 * builtins.c (fold_builtin_sprintf): Do not attempt to optimize
2330 sprintf (str, "%s"). Do not optimize sprintf (str, "nopercent", p++).
2332 2007-02-02 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2334 * sched-int.h (ds_to_dk, dk_to_ds): Declare functions.
2336 (struct _dep): New type.
2337 (dep_t): New typedef.
2338 (DEP_PRO, DEP_CON, DEP_KIND): New access macros.
2339 (DEP_STATUS): New access macro. The macro with the same name was
2340 renamed to DEP_LINK_STATUS.
2341 (dep_init): Declare function
2343 (struct _dep_link): New type.
2344 (dep_link_t): New typedef.
2345 (DEP_LINK_NODE, DEP_LINK_NEXT, DEP_LINK_PREV_NEXTP): New access macros.
2346 (DEP_LINK_DEP, DEP_LINK_PRO, DEP_LINK_CON, DEP_LINK_KIND): New macros.
2347 (DEP_LINK_STATUS): New macro.
2348 (debug_dep_links): New debug function.
2350 (struct _deps_list): New type.
2351 (deps_list_t): New typedef.
2352 (DEPS_LIST_FIRST): New access macro.
2353 (FOR_EACH_DEP_LINK): New cycle macro.
2354 (create_deps_list, free_deps_list, delete_deps_list): Declare
2356 (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
2357 (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
2358 (copy_deps_list_change_con): Ditto.
2360 (move_dep_link): Declare function.
2362 (struct _dep_node): New type.
2363 (dep_node_t): New typedef.
2364 (DEP_NODE_BACK, DEP_NODE_DEP, DEP_NODE_FORW): New access macros.
2366 (struct haifa_insn_data.back_deps): New field to hold backward
2367 dependencies of the insn.
2368 (struct haifa_insn_data.depend): Rename to forw_deps. Change its type
2370 (struct haifa_insn_data.resolved_deps): Rename to resolved_back_deps.
2371 Change its type to deps_list_t.
2372 (INSN_BACK_DEPS): New access macro to use instead of LOG_LINKS.
2373 (INSN_DEPEND): Rename to INSN_FORW_DEPS.
2374 (RESOLVED_DEPS): Rename to INSN_RESOLVED_BACK_DEPS.
2376 (INSN_COST): Move to haifa-sched.c. Use insn_cost () instead.
2378 (DEP_STATUS): Rename to DEP_LINK_STATUS. Fix typo in the comment.
2380 (add_forw_dep, delete_back_forw_dep, insn_cost): Update declaration and
2382 (dep_cost): Declare.
2384 * sched-deps.c (CHECK): New macro to (en/dis)able sanity checks.
2385 (ds_to_dk, dk_to_ds): New functions.
2387 (init_dep_1): New static function.
2388 (init_dep): New function.
2389 (copy_dep): New static function.
2391 (dep_link_consistent_p, attach_dep_link, add_to_deps_list): New static
2393 (detach_dep_link): New static function.
2394 (move_dep_link): New function.
2396 (dep_links_consistent_p, dump_dep_links): New static functions.
2397 (debug_dep_links): New debugging function.
2399 (deps_obstack, dl_obstack, dn_obstack): New static variables.
2401 (alloc_deps_list, init_deps_list): New static functions.
2402 (create_deps_list): New function.
2403 (clear_deps_list): New static function.
2404 (free_deps_list, delete_deps_list, deps_list_empty_p): New functions.
2405 (deps_list_consistent_p, dump_deps_list): New static functions.
2406 (debug_deps_list): New function.
2407 (add_back_dep_to_deps_list, find_link_by_pro_in_deps_list): New
2409 (find_link_by_con_in_deps_list, copy_deps_list_change_con): Ditto.
2411 (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Update to
2412 use new scheduler dependencies lists.
2413 (add_back_dep, delete_all_dependences, fixup_sched_groups): Ditto.
2414 (sched_analyze): Ditto. Initialize dependencies lists.
2415 (add_forw_dep, compute_forward_dependences): Update to use new
2416 scheduler dependencies lists.
2418 (init_dependency_caches): Init deps_obstack.
2419 (free_dependency_caches): Free deps_obstack.
2421 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Update to use
2422 new scheduler dependencies lists.
2423 (delete_forw_dep, add_or_update_back_forw_dep): Ditto.
2424 (add_back_forw_dep, delete_back_forw_dep): Ditto.
2426 * sched-rgn.c (set_spec_fed, find_conditional_protection, is_pfree):
2427 Update to use new scheduler dependencies lists.
2428 (is_conditionally_protected, is_prisky, add_branch_dependences): Ditto.
2429 (debug_dependencies): Ditto.
2430 (schedule_region): Update comments.
2432 * sched-ebb.c (earliest_block_with_similiar_load): Update to use new
2433 scheduler dependencies lists.
2434 (schedule_ebb): Update comments.
2436 * rtl.def (DEPS_LIST): Remove.
2438 * lists.c (unused_deps_list): Remove.
2439 (free_list): Update assertions.
2441 (alloc_DEPS_LIST, free_DEPS_LIST_list, free_DEPS_LIST_node): Remove.
2442 (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
2444 * rtl.h (free_DEPS_LIST_list, alloc_DEPS_LIST): Remove declarations.
2445 (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
2447 * haifa-sched.c (comments): Update.
2448 (insn_cost1): Remove. Inline the code into insn_cost ().
2449 (insn_cost): Update to use new scheduler dependencies lists. Move
2450 processing of the dependency cost to dep_cost ().
2451 (dep_cost): New function. Use it instead of insn_cost () when
2452 evaluating cost of the dependency. Use compatible interface to
2453 interact with the target.
2454 (priority): Update to use new scheduler dependencies lists.
2455 (rank_for_schedule): Ditto. Optimize heuristic that prefers the insn
2456 with greater number of insns that depend on the insn.
2457 (schedule_insn): Update to use new scheduler dependencies lists. Add
2458 code to free backward dependencies lists. Inline and optimize code
2459 from resolve_dep () - see PR28071.
2460 (ok_for_early_queue_removal): Update to use new scheduler dependencies
2461 lists. Update call to targetm.sched.is_costly_dependence hook.
2463 (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
2464 scheduler dependencies lists.
2466 (resolve_dep): Remove. Move the logic to schedule_insn ().
2467 (init_h_i_d): Initialize dependencies lists.
2469 (process_insn_depend_be_in_spec): Rename to
2470 process_insn_forw_deps_be_in_spec. Update to use new scheduler
2472 (add_to_speculative_block, create_check_block_twin, fix_recovery_deps):
2473 Update to use new scheduler dependencies lists.
2474 (clear_priorities, calc_priorities, add_jump_dependencies): Ditto.
2476 * ddg.c (create_ddg_dependence, create_ddg_dep_no_link): Update to use
2477 new scheduler dependencies lists.
2478 (build_intra_loop_deps): Ditto.
2480 * target.h (struct _dep): Declare to use in
2481 gcc_target.sched.is_costly_dependence.
2482 (struct gcc_target.sched.adjust_cost): Fix typo.
2483 (struct gcc_target.sched.is_costly_dependence): Change signature to use
2484 single dep_t parameter instead of an equivalent triad.
2485 (struct gcc_target.sched.adjust_cost_2): Remove.
2487 * target-def.h (TARGET_SCHED_ADJUST_COST_2): Remove.
2489 * reg-notes.def (DEP_TRUE, DEP_OUTPUT, DEP_ANTI): Update comments.
2491 * doc/tm.texi (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Update
2493 (TARGET_SCHED_ADJUST_COST_2): Remove documentation.
2495 * doc/rtl.texi (LOG_LINKS): Remove part about instruction scheduler.
2496 (REG_DEP_TRUE): Document.
2498 * config/ia64/ia64.c (ia64_adjust_cost_2): Rename to ia64_adjust_cost.
2499 Change signature to correspond to the targetm.sched.adjust_cost hook.
2500 Update use in TARGET_SCHED_ADJUST_COST_2.
2501 (TARGET_SCHED_ADJUST_COST_2): Rename to TARGET_SCHED_ADJUST_COST.
2502 (ia64_dependencies_evaluation_hook, ia64_dfa_new_cycle): Update to use
2503 new scheduler dependencies lists.
2504 (ia64_gen_check): Ditto.
2506 * config/mips/mips.c (vr4130_swap_insns_p): Update to use new scheduler
2509 * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Change
2510 signature to correspond to the targetm.sched.is_costly_dependence hook.
2511 (is_costly_group): Update to use new scheduler dependencies lists.
2513 * config/spu/spu.c (spu_sched_adjust_cost): Use insn_cost () function
2514 instead of INSN_COST () macro.
2516 2007-02-01 Ian Lance Taylor <iant@google.com>
2518 * lower-subreg.c (resolve_clobber): Handle a subreg of a concatn.
2520 2007-02-01 Guy Martin <gmsoft@gentoo.org>
2522 * pa.md (tp_load): Correct mfctl instruction syntax.
2524 2007-02-01 Geoffrey Keating <geoffk@apple.com>
2526 * config/rs6000/rs6000.c (rs6000_stack_info): Correct
2527 altivec_padding_size calculation on AIX. Improve comment, add
2528 assert to verify that it's right.
2530 * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Don't define for
2533 2007-2-01 Seongbae Park <seongbae.park@gmail.com>
2536 * global.c (global_alloc): Add mising initialization of
2539 2007-02-01 Roger Sayle <roger@eyesopen.com>
2541 * alias.c (init_alias_analysis): Correct whitespace.
2542 * bb-reorder.c (fix_edges_for_rarely_executed_code,
2543 partition_hot_cold_basic_blocks): Likewise.
2544 * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
2545 expand_builtin_sprintf, fold_builtin_carg, fold_builtin_sprintf,
2546 maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
2547 fold_builtin_snprintf_chk, fold_builtin_printf,
2548 fold_builtin_fprintf, do_mpfr_ckconv, do_mpfr_arg1, do_mpfr_arg2,
2549 do_mpfr_arg3, do_mpfr_sincos): Likewise.
2550 * cfgcleanup.c (cleanup_cfg): Likewise.
2551 * cfgexpand.c (tree_expand_cfg): Likewise.
2552 * fold-const.c (fold_binary) <RDIV_EXPR>: Likewise.
2553 * function.c (get_next_funcdef_no): Likewise.
2554 * gengtype.c (main): Likewise.
2555 * genmodes.c (main): Likewise.
2556 * gcse.c (bypass_conditional_jumps, print_ldst_list): Likewise.
2557 * haifa-sched.c (schedule_block, extend_h_i_d): Likewise.
2558 * ifcvt.c (noce_emit_move_insn): Likewise.
2559 * modulo-sched.c (generate_prolog_epilog, sms_schedule_by_order):
2561 * stor-layout.c (get_best_mode): Likewise.
2562 * tree-ssa-loop-niter.c (get_val_for): Likewise.
2563 * tree-ssa-structalias.c (get_varinfo, get_varinfo_fc,
2564 scc_visit, do_ds_constraint, do_complex_constraint, label_visit,
2565 perform_var_substitution, solve_graph): Likewise.
2566 * tree-vrp.c (vrp_finalize): Likewise.
2568 2007-02-01 Ian Lance Taylor <iant@google.com>
2570 * lower-subreg.c (simplify_gen_subreg_concatn): If we ask for the
2571 high part of a paradoxical subreg, return a constant zero.
2573 2007-02-01 Zdenek Dvorak <dvorakz@suse.cz>
2575 * toplev.c (lang_dependent_init): Call init_set_costs.
2576 * loop-init.c (loop_optimizer_init): Do not call init_set_costs.
2578 2007-02-01 Richard Guenther <rguenther@suse.de>
2581 * fold-const.c (fold_negate_expr): Allow negating a
2582 constant if overflow does not change.
2584 2007-02-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2586 * doc/c-tree.texi (Expression trees): Improve markup.
2587 * doc/tm.texi (Register Classes, Addressing Modes)
2588 (Floating Point): Fix spacing after abbreviations. Fix some
2591 2007-02-01 Ben Elliston <bje@au.ibm.com>
2593 * doc/invoke.texi: Replace "bugfix" with "bug fix" throughout.
2594 * doc/contrib.texi: Likewise.
2595 * doc/install.texi: Likewise.
2597 2007-01-31 Richard Henderson <rth@redhat.com>
2598 Ian Lance Taylor <iant@google.com>
2600 * lower-subreg.c: New file.
2601 * rtl.def (CONCATN): Define.
2602 * passes.c (init_optimization_passes): Add pass_lower_subreg and
2604 * emit-rtl.c (update_reg_offset): New static function, broken out
2605 of gen_rtx_REG_offset.
2606 (gen_rtx_REG_offset): Call update_reg_offset.
2607 (gen_reg_rtx_offset): New function.
2608 * regclass.c: Revert patch of 2006-03-05, restoring
2610 (clear_reg_info_regno): New function.
2611 * dwarf2out.c (concatn_loc_descriptor): New static function.
2612 (loc_descriptor): Handle CONCATN.
2613 * common.opt (fsplit_wide_types): New option.
2614 * opts.c (decode_options): Set flag_split_wide_types when
2616 * timevar.def (TV_LOWER_SUBREG): Define.
2617 * rtl.h (gen_reg_rtx_offset): Declare.
2618 (reg_scan_update): Declare.
2619 * regs.h (clear_reg_info_regno): Declare.
2620 * tree-pass.h (pass_lower_subreg): Declare.
2621 (pass_lower_subreg2): Declare.
2622 * doc/invoke.texi (Option Summary): List -fno-split-wide-types.
2623 (Optimize Options): Add -fsplit-wide-types to -O1 list. Document
2625 * doc/rtl.texi (Regs and Memory): Document concat and concatn.
2626 * Makefile.in (OBJS-common): Add lower-subreg.o.
2627 (lower-subreg.o): New target.
2629 2007-01-31 Kazu Hirata <kazu@codesourcery.com>
2631 * config/sh/sh.h (HAVE_SECONDARY_RELOADS): Remove.
2633 2007-01-31 Anatoly Sokolov <aesok@post.ru>
2636 * config/avr/avr.c (DWARF2_ADDR_SIZE): Define.
2638 2007-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2641 * builtins.c (fold_builtin_sqrt): Use MPFR for constant args.
2643 2007-01-31 Zdenek Dvorak <dvorakz@suse.cz>
2645 * cfgloop.h: Include vec-prim.h.
2646 (enum li_flags): Remove LI_ONLY_OLD.
2647 (loop_iterator): Changed.
2648 (fel_next, fel_init): Iterate over loop tree.
2649 (FOR_EACH_LOOP_BREAK): New macro.
2650 * loop-unswitch.c (unswitch_loops): Do not pass LI_ONLY_OLD to
2652 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Ditto.
2653 * modulo-sched.c (sms_schedule): Ditto.
2654 * tree-vectorizer.c (vectorize_loops): Ditto.
2655 * doc/loop.texi: Update information on loop numbering and behavior of
2656 FOR_EACH_LOOP wrto new loops.
2657 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
2658 add_to_evolution_1): Test nestedness of loops instead of comparing
2660 * tree-chrec.c (chrec_fold_plus_poly_poly,
2661 chrec_fold_multiply_poly_poly, chrec_evaluate,
2662 hide_evolution_in_other_loops_than_loop, chrec_component_in_loop_num,
2663 reset_evolution_in_loop): Ditto.
2664 * Makefile.in (CFGLOOP_H): Add vecprim.h dependency.
2666 2007-01-31 Dirk Mueller <dmueller@suse.de>
2668 * c-common.c (warn_about_parentheses): Separate warning about
2669 un-parenthized sequence of comparison operators from the one
2670 which is supposed to warn about x <= y <= z.
2672 2007-01-31 Uros Bizjak <ubizjak@gmail.com>
2674 * optabs.h (enum optab_index): Add new OTI_isinf.
2675 (isinf_optab): Define corresponding macro.
2676 * optabs.c (init_optabs): Initialize isinf_optab.
2677 * genopinit.c (optabs): Implement isinf_optab using isinf?f2
2679 * builtins.c (mathfn_built_in): Handle BUILT_IN_ISINF{,F,L}.
2680 (expand_builtin_interclass_mathfn): Expand BUILT_IN_ISINF{,F,L}
2682 (expand_builtin): Expand BUILT_IN_ISINF{,F,L} using
2683 expand_builtin_interclass_mathfn.
2684 * reg_stack.c (subst_stack_regs_pat): Handle UNSPEC_FXAM.
2685 * config/i386/i386.md (UNSPEC_FXAM): New constant.
2686 (fxam<mode>2_i387): New insn pattern.
2687 (isinf<mode>2) New expander to implement isinf, isinff and isinfl
2688 built-in functions as x87 inline asm.
2690 2007-01-31 Kazu Hirata <kazu@codesourcery.com>
2692 * gcc/config/arm/unwind-arm.h (_sleb128_t, _uleb128_t): New.
2694 2007-01-30 Eric Christopher <echristo@apple.com>
2696 * config.gcc: Add geode.
2698 2007-01-31 Kazu Hirata <kazu@codesourcery.com>
2700 * cgraphunit.c, config/arm/arm.c, config/m68k/m68k.c,
2701 ipa-inline.c, tree-profile.c, tree-ssa-live.c,
2702 tree-ssa-math-opts.c, tree-ssanames.c, tree-vect-analyze.c,
2703 value-prof.c: Fix comment typos.
2705 2007-01-30 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2708 * doc/invoke.texi (Wpointer-arith): Document warning.
2710 2007-01-30 Janis Johnson <janis187@us.ibm.com>
2712 * doc/extend.texi (Decimal Floating Types): Remove decfloat.h from
2713 the list of discrepancies from the draft TR.
2715 2007-01-30 Dirk Mueller <dmueller@suse.de>
2718 * doc/invoke.texi (-Wreturn-type): Update description to
2721 2007-01-30 Richard Sandiford <richard@codesourcery.com>
2723 * cfgrtl.c (try_redirect_by_replacing_jump): Check only_sets_cc0_p.
2725 2007-01-30 Uros Bizjak <ubizjak@gmail.com>
2727 * builtins.c (expand_builtin_int_interclass_roundingfn): New function
2728 to handle optabs that operate on floating point input argument and
2729 output to integer output.
2730 (expand_builtin_mathfn) [BUILT_IN_ILOGB]: Move from here ...
2731 (expand_builtin_interclass_mathfn) [BUILT_IN_ILOGB]: ... to here.
2732 (expand_builtin): Expand BUILT_IN_ILOGB{,F,L} using
2733 expand_builtin_interclass_mathfn ().
2734 * config/i386/i386.md (fxtractxf3_i387): Rename from *fxtractxf3_i387.
2736 (ilogbxf2, ilogb<mode>2): New expanders to implement ilogb, ilogbf and
2737 ilogbl built-in functions as x87 intrinsics.
2739 2007-01-30 Richard Guenther <rguenther@suse.de>
2742 * dwarf2out.c (reference_to_unused): Query varpool if the
2743 variable was output.
2745 2007-01-30 Richard Guenther <rguenther@suse.de>
2748 * passes.c (execute_one_pass): Reset in_gimple_form to not
2749 confuse non-unit-at-a-time mode.
2751 2007-01-29 Roger Sayle <roger@eyesopen.com>
2752 Richard Guenther <rguenther@suse.de>
2754 * fold-const.c (round_up): Make HIGH an unsigned HOST_WIDE_INT to
2755 avoid undefined behaviour on overflow. Use force_fit_type_double
2756 to construct the constant with the specified TREE_OVERFLOW.
2758 2007-01-29 Janis Johnson <janis187@us.ibm.com>
2760 * config/dfp-bit.c: Add parameterized support for fp exceptions.
2761 * config/dfp-bit.h: Ditto.
2763 2007-01-29 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2765 * c-decl.c (pop_scope): Replace warnings with call to
2766 warn_for_unused_label.
2767 * c-common.h (warn_for_unused_label): Declare.
2768 * c-common.c (warn_for_unused_label): Define.
2770 2007-01-29 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2772 * tree-optimize.c (update_inlined_to_pointers): Delete unused
2775 2007-01-29 Janis Johnson <janis187@us.ibm.com>
2777 * Makefile.in (USER_H): Remove decfloat.h.
2778 * ginclude/decfloat.h: Delete, moving contents to ...
2779 * ginclude/float.h: Add support for decimal floating point,
2780 guarded by __STDC_WANT_DEC_FP__.
2782 2007-01-29 Mike Stump <mrs@apple.com>
2784 * doc/gccint.texi (Top): Rename Loop Representation to Loop
2785 Analysis and Representation to resolve case insensitive conflict.
2786 * doc/loop.texi (Loop Analysis and Representation): Likewise.
2788 2007-01-28 Daniel Berlin <dberlin@dberlin.org>
2790 * tree.h (struct tree_memory_tag): Add aliases member.
2791 (MTAG_ALIASES): New macro.
2792 * tree-ssa-alias.c (alias_bitmap_obstack): New variable.
2793 (add_may_alias): Remove pointer-set. Update for may_aliases being
2795 (mark_aliases_call_clobbered): Update for may_aliases being a
2797 (compute_tag_properties): Ditto.
2798 (create_partition_for): Ditto.
2799 (compute_memory_partitions): Ditto.
2800 (dump_may_aliases_for): Ditto.
2801 (is_aliased_with): Ditto.
2802 (add_may_alias_for_new_tag): Ditto.
2803 (rewrite_alias_set_for): Rewrite for may_aliases being a bitmap.
2804 (compute_is_aliased): New function.
2805 (compute_may_aliases): Call compute_is_aliased).
2806 (init_alias_info): Initialize alias_bitmap_obstack.
2807 (union_alias_set_into): New function.
2808 (compute_flow_sensitive_aliasing): Use union_aliases_into.
2809 (have_common_aliases_p): Rewrite to take two bitmaps and use
2811 (compute_flow_insensitive_aliasing): Stop using pointer-sets.
2813 (finalize_ref_all_pointers): Update for add_may_alias changes.
2814 (new_type_alias): Ditto.
2815 * tree-flow-inline.h (may_aliases): Return a bitmap.
2816 * tree-dfa.c (dump_variable): Check for MTAG_P'ness.
2817 * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
2818 may_aliases being a bitmap.
2819 * tree-flow.h (struct var_ann_d): Remove may_aliases member.
2820 may_aliases now returns a bitmap.
2821 * tree-ssa-structalias.c (merge_smts_into): Update for may_aliases
2823 * tree-ssa-operands.c (add_virtual_operand): Update for
2824 may_aliases being a bitmap.
2826 2007-01-29 Daniel Berlin <dberlin@dberlin.org>
2828 PR tree-optimization/30630
2829 * tree-ssa-structalias.c (do_complex_constraint): Mark correct
2830 variable as changed.
2832 2007-01-29 Simon Martin <simartin@users.sourceforge.net>
2835 * gimplify.c (gimplify_target_expr): Make sure that the TARGET_EXPR is
2836 expanded only once even if an error occurs.
2838 2007-01-29 Ben Elliston <bje@au.ibm.com>
2840 * gcov-io.h (__gcov_indirect_call_profiler): Declare.
2841 (__gcov_average_profiler): Likewise.
2842 (__gcov_ior_profiler): Likewise.
2843 (__gcov_merge_ior): Likewise.
2845 2007-01-28 Jan Hubicka <jh@suse.cz>
2847 * builtins.c (expand_builtin_memset): Fix typo in my last patch.
2848 * value-prof.c (stringop_block_profile): Likewise.
2850 2007-01-28 Jan Hubicka <jh@suse.cz>
2852 * expr.c (emit_block_move_via_movmem, emit_block_move_via_libcall): Add
2853 variant handling histograms; add wrapper.
2854 (clear_storage_via_libcall): Export.
2855 (emit_block_move_hints): Break out from ...; add histograms.
2856 (emit_block_move): ... this one.
2857 (clear_storage_hints): Break out from ...; add histograms.
2858 (clear_storage): ... this one.
2859 (set_storage_via_memset): Handle histogram.
2860 * expr.h (emit_block_move_via_libcall, emit_block_move_hints): Declare.
2861 (clear_storage_hints, clear_storage_via_libcall): Declare.
2862 (set_storage_via_setmem): Update prototype.
2863 * doc/md.texi (movmem, setmem): Document new arguments.
2865 * value-prof.c (dump_histogram_value, tree_find_values_to_profile): Add
2867 (stringop_block_profile): New global function.
2868 (tree_stringops_values_to_profile): Profile block size and alignment.
2869 * value-prof.h (enum hist_type): add HIST_TYPE_AVERAGE and
2871 (struct profile_hooks): Add gen_average_profiler and gen_ior_profiler.
2872 (stringop_block_profile): Declare.
2873 * builtins.c: Include value-prof.h.
2874 (expand_builtin_memcpy, expand_builtin_memset): Pass block profile.
2875 * gcov-ui.h (GCOV_COUNTER_NAMES): Add new counter.
2876 (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): New constants.
2877 (GCOV_COUNTERS, GCOV_LAST_VALUE_COUNTER): Update.
2878 * profile.c (instrument_values): Add new counters.
2879 * cfgexpand.c (expand_gimple_basic_block): Propagate histograms to
2881 * tree-profile.c (tree_average_profiler_fn, tree_ior_profiler_fn): New.
2882 (tree_init_edge_profiler): Build new profilers.
2883 (tree_gen_average_profiler, tree_gen_ior_profiler): New.
2884 (pass_tree_profile): Add dump.
2885 (tree_profile_hooks): Update.
2886 * Makefile.in (LIBGCOV): Add new constants.
2887 * libgcov.c (__gcov_merge_ior, __gcov_average_profiler,
2888 __gcov_ior_profiler): New.
2889 * i386.md (movmem/setmem expanders): Add new optional arguments.
2891 2007-01-28 David Edelsohn <edelsohn@gnu.org>
2893 * doc/md.texi (Standard Pattern Names): Document blockage pattern.
2895 2007-01-28 Zdenek Dvorak <dvorakz@suse.cz>
2897 * tree-ssa-loop-unswitch.c: Include tree-inline.h.
2898 (tree_unswitch_single_loop): Pass eni_size_weights to
2899 tree_num_loop_insns.
2900 * tree-ssa-loop-manip.c: Include tree-inline.h.
2901 (can_unroll_loop_p): Pass eni_size_weights to
2902 tree_num_loop_insns.
2903 * tree-ssa-loop-ch.c (should_duplicate_loop_header_p):
2904 Pass eni_size_weights to estimate_num_insns.
2905 * tree.h (init_inline_once): Export.
2906 * toplev.c (backend_init): Call init_inline_once.
2907 * cgraphunit.c (cgraph_process_new_functions,
2908 cgraph_analyze_function): Pass eni_inlining_weights to
2910 * ipa-inline.c (compute_inline_parameters): Ditto.
2911 * tree-ssa-loop-ivcanon.c (tree_num_loop_insns): Pass weights
2912 to estimate_num_insns.
2913 (try_unroll_loop_completely): Pass eni_size_weights to
2914 tree_num_loop_insns.
2915 * tree-eh.c (decide_copy_try_finally): Pass eni_size_weights
2916 ot estimate_num_insns.
2917 * tree-ssa-loop-prefetch.c: Include tree-inline.h.
2918 (loop_prefetch_arrays): Pass eni_time_weights to tree_num_loop_insns.
2919 * tree-inline.c (eni_inlining_weights, eni_size_weights,
2920 eni_time_weights): New variables.
2921 (init_inline_once): Initialize them.
2922 (struct eni_data): Mew.
2923 (estimate_num_insns_1, estimate_num_insns): Use weights.
2924 * tree-inline.h (struct eni_weights_d): New.
2925 (eni_inlining_weights, eni_size_weights, eni_time_weights): Declare.
2926 (estimate_num_insns): Declaration changed.
2927 * cfgloop.h (tree_num_loop_insns): Declaration changed.
2928 * Makefile.in (tree-ssa-loop-unswitch.o, tree-ssa-loop-prefetch.o,
2929 tree-ssa-loop-manip.o): Add TREE_INLINE_H dependency.
2931 2007-01-28 Zdenek Dvorak <dvorakz@suse.cz>
2933 * tree-data-ref.c (conflict_fn): Assert that the number of affine
2934 relations in the conflict function is valid.
2936 2007-01-27 Ian Lance Taylor <iant@google.com>
2938 * common.opt: Add fstrict-overflow.
2939 * opts.c (decode_options): Set flag_strict_overflow if -O2.
2940 * flags.h (TYPE_OVERFLOW_WRAPS): Define.
2941 (TYPE_OVERFLOW_UNDEFINED): Define.
2942 (TYPE_OVERFLOW_TRAPS): Define. This replaces TYPE_TRAP_SIGNED.
2944 * tree.h (TYPE_TRAP_SIGNED): Don't define.
2945 * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_UNDEFINED.
2946 (fold_negate_expr): Likewise.
2947 (make_range): Likewise.
2948 (extract_muldiv_1): Likewise.
2949 (maybe_canonicalize_comparison): Likewise.
2950 (fold_comparison): Likewise.
2951 (fold_binary): Likewise.
2952 (tree_expr_nonnegative_p): Likewise.
2953 (tree_expr_nonzero_p): Likewise.
2954 * tree-vrp.c (compare_values): Likewise.
2955 (extract_range_from_binary_expr): Likewise.
2956 (extract_range_from_unary_expr): Likewise.
2957 * tree-ssa-loop-niter.c (infer_loop_bounds_from_signedness):
2959 (nowrap_type_p): Likewise.
2960 * tree-scalar-evolution.c (simple_iv): Likewise.
2961 * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_WRAPS.
2962 (build_range_check): Likewise.
2963 (extract_muldiv_1): Likewise.
2964 (fold_comparison): Likewise.
2965 * tree-vrp.c (vrp_int_const_binop): Likewise.
2966 (extract_range_from_unary_expr): Likewise.
2967 * convert.c (convert_to_integer): Likewise.
2968 * fold-const.c (fold_negate_expr): Use TYPE_OVERFLOW_TRAPS.
2969 (fold_comparison): Likewise.
2970 (fold_binary): Likewise.
2971 * optabs.c (optab_for_tree_code): Likewise.
2972 * tree-vectorizer.c (vect_is_simple_reduction): Likewise.
2973 * simplify-rtx.c (simplify_const_relational_operation): Check
2974 flag_strict_overflow and flag_trapv.
2975 (simplify_const_relational_operation): Likewise.
2976 * doc/invoke.texi (Option Summary): Mention -fstrict-overflow.
2977 (Optimize Options): Add -fstrict-overflow to -O2 list. Document
2980 2007-01-27 Roger Sayle <roger@eyesopen.com>
2982 * tree.c (tree_fold_gcd): Delete.
2983 * tree.h (tree_fold_gcd): Remove prototype.
2984 * tree-data-ref.c (tree_fold_divides_p): Don't use tree_fold_gcd to
2985 test whether one constant integer is a multiple of another. Instead
2986 call int_const_binop with TRUNC_MOD_EXPR and test for a zero result.
2987 * fold-const.c (multiple_of_p): We've determined both TOP and
2988 BOTTOM are integer constants so we can call int_const_binop directly
2989 instead of the more generic const_binop.
2991 2007-01-27 Roger Sayle <roger@eyesopen.com>
2993 * fold-const.c (size_binop): In the fast-paths for X+0, 0+X, X-0 and
2994 1*X check that the constant hasn't overflowed, to preserve the
2996 (round_up): Provide an efficient implementation when rouding-up an
2997 INTEGER_CST to a power-of-two.
2999 2007-01-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3001 * doc/sourcebuild.texi: Add comma for clarity.
3002 * doc/extend.texi: Fix some typos.
3003 * doc/passes.texi: Likewise.
3004 * doc/cppinternals.texi: Likewise.
3005 * doc/c-tree.texi: Likewise.
3006 * doc/tree-ssa.texi: Likewise.
3007 * doc/install.texi: Likewise.
3009 2007-01-27 Jan Hubicka <jh@suse.cz>
3011 * tree-sra.c (sra_walk_function): Don't rely on aliases being build.
3012 (pass_sra): Do not require alias information.
3013 * passes.c (init_optimization_passes): Add SRA
3015 2007-01-27 Steven Bosscher <steven@gcc.gnu.org>
3017 * tracer.c (rest_of_handle_tracer): We already cleaned
3018 up the CFG in tracer() so don't do it here again.
3019 * cfgcleanup.c (rest_of_handle_jump2): Don't repeat
3020 cleanup_cfg here, either. And don't call renumber_insns.
3022 * cfgrtl.c (rtl_verify_flow_info_1): Don't verify that BB_END
3023 and BB_HEAD are in the insn stream here. Instead make sure
3024 that BB_INSN is valid on all insns. Also, do check here that
3025 there are no pending branch predictions...
3026 (rtl_verify_flow_info): ...instead of doing it here. Checks
3027 for BB_END and BB_HEAD moved from rtl_verify_flow_info_1 to
3030 2007-01-26 Roger Sayle <roger@eyesopen.com>
3032 * config/i386/i386.c (ix86_swap_binary_operands_p): New helper
3033 function to simplify/factorize operand order canonicalization.
3034 (ix86_fixup_binary_operands): Reorganize using the above function.
3035 (ix86_binary_operator_ok): Likewise.
3037 2007-01-27 Jakub Jelinek <jakub@redhat.com>
3039 * genattrtab.c (struct attr_value_list, insn_code_values): Move to
3040 file scope from optimize_attrs.
3041 (simplify_test_exp): If insn_code_values is not NULL, use it to speed
3043 (optimize_attrs): Clear insn_code_values after freeing it.
3045 2007-01-26 Zdenek Dvorak <dvorakz@suse.cz>
3047 * tree-ssa-address.c (create_mem_ref): Remove ", bsi" from
3048 a parts.base assignment.
3050 2007-01-26 Zdenek Dvorak <dvorakz@suse.cz>
3052 * tree-data-ref.c (dump_subscript): Use dump_conflict_function.
3053 (compute_subscript_distance, initialize_data_dependence_relation,
3054 finalize_ddr_dependent, analyze_ziv_subscript,
3055 analyze_siv_subscript_cst_affine,
3056 compute_overlap_steps_for_affine_univar,
3057 compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
3058 analyze_siv_subscript, analyze_miv_subscript,
3059 analyze_overlapping_iterations, subscript_dependence_tester_1,
3060 compute_self_dependence, free_dependence_relation): Work
3061 with affine_fn instead of chrecs.
3062 (dump_affine_function, dump_conflict_function, affine_function_equal_p,
3063 common_affine_function, affine_function_base,
3064 affine_function_constant_p, affine_fn_op, affine_fn_plus,
3065 affine_fn_minus, affine_fn_free, conflict_fn_not_known,
3066 conflict_fn_no_dependence, free_conflict_function, free_subscripts,
3067 conflict_fn, affine_fn_cst, affine_fn_univar): New functions.
3068 (all_chrecs_equal_p): Removed.
3069 * tree-data-ref.h (affine_fn, conflict_function): New types.
3070 (struct subscript): Change type of conflicting_iterations_in_a
3071 and conflicting_iterations_in_b.
3073 2007-01-26 Steve Ellcey <sje@cup.hp.com>
3076 * config/pa/pa.h (TARGET_HPUX_11): New.
3077 * config/pa/pa-hpux11.h (TARGET_HPUX_11): New.
3078 * config/pa/pa.c (pa_init_builtins): Use TARGET_HPUX_11.
3080 2007-01-26 Daniel Berlin <dberlin@dberlin.org>
3081 Richard Guenther <rguenther@suse.de>
3083 * tree-ssa-structalias.c (solve_graph): Handle case
3084 we merged the variable to another.
3086 2007-01-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3088 * builtins.c (fold_builtin_1): Treat ccos and ccosh as 'even'
3091 * fold-const.c (negate_mathfn_p): Treat casin, casinh, catan,
3092 catanh, cproj, csin, csinh, ctan and ctanh as 'odd' functions.
3094 2007-01-25 DJ Delorie <dj@redhat.com>
3096 * config/m32c/m32c.c (m32c_cannot_change_mode_class): We don't
3097 allow changes to modes which don't fit in those registers.
3099 * reload1.c (choose_reload_regs): Check for invalid subregs before
3100 computing their locations, not after.
3102 2007-01-25 Geoffrey Keating <geoffk@apple.com>
3105 * config/rs6000/rs6000.c (first_altivec_reg_to_save): On Darwin,
3106 save Altivec registers in an eh_return function.
3107 (compute_vrsave_mask): Likewise.
3108 (rs6000_stack_info): Correct AIX/Darwin stack alignment computation
3109 for saving Altivec registers.
3110 (rs6000_emit_prologue): Don't allocate stack twice in
3111 eh_return function. Correct expected value of altivec_save_offset
3112 when using save_world. Describe save of R0 to stack when using
3113 save_world. Describe stack pointer adjustment when using
3114 save_world. Remove duplicated eh_return parameter register saving.
3115 Update sp_offset variable after save_world.
3116 * config/rs6000/t-darwin (LIB2FUNCS_STATIC_EXTRA): Remove
3118 (LIB2FUNCS_EXTRA): Add darwin-world.asm.
3119 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): -m64
3122 2007-01-25 Steve Ellcey <sje@cup.hp.com>
3124 * config.gcc (ia64*-*-hpux*): Make posix threads the default.
3126 2007-01-25 Steve Ellcey <sje@cup.hp.com>
3129 * config/pa/pa.c (pa_init_builtins): Set asm names for finite routines.
3130 * config/ia64/ia64.c (ia64_init_builtins): Ditto.
3132 2007-01-25 Richard Guenther <rguenther@suse.de>
3134 * doc/invoke.texi (-Wcoverage-mismatch): Document.
3135 * common.opt (-Wcoverage-mismatch): New warning option.
3136 * coverage.c (get_coverage_counts): Ignore coverage mismatch
3137 if -Wcoverage-mismatch is given.
3139 2007-01-25 Razya Ladelsky <razya@il.ibm.com>
3141 * ipa-cp.c (ipcp_insert_stage, ipcp_driver): Support for SSA.
3142 (ipcp_driver): Change to static definition.
3143 Add dumping of the ifunctions.
3144 (constant_val_insert): Remove unused parameter. Support for SSA.
3145 (ipcp_propagate_const): Support for SSA.
3146 (ipcp_profile_bb_print): Print only analyzed nodes.
3147 (ipcp_replace_map_create): Remove support for Fortran constant
3149 * ipa-prop.c (ipa_method_modify_stmt,
3150 ipa_callsite_compute_param): Support for SSA.
3151 * ipa-prop.h (ipcp_driver): Remove declaration.
3152 (IS_VALID_TREE_MAP_INDEX): Add define.
3154 2007-01-24 Geoffrey Keating <geoffk@apple.com>
3156 * unwind-dw2.c (execute_stack_op): Handle DW_OP_swap.
3158 2007-01-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3161 * builtins.c (fold_builtin_cabs): Use MPFR to evaluate a
3162 constant argument to cabs and do it without checking for
3163 -funsafe-math-optimizations.
3165 2007-01-24 Douglas Gregor <dgregor@osl.iu.edu>
3167 * c-common.h (RID_FIRST_CXX0X): New.
3168 (RID_LAST_CXX0X): New.
3169 * c-opts.c (c_common_handle_option): -Wc++0x-compat is triggered
3171 * c.opt (Wc++0x-compat): New.
3172 * doc/invoke.texi (-Wc++0x-compat): Document.
3174 2007-01-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3176 * builtins.c (fold_builtin_carg): New.
3177 (fold_builtin_1): Use it.
3179 2007-01-24 Jan Hubicka <jh@suse.cz>
3181 * ipa-inline.c (cgraph_decide_inlining): Initialize initial_insns.
3183 * ipa-inline.c (initial_insns, max_insns): Delete.
3184 (compute_max_insns): New function.
3185 (cgraph_decide_inlining_of_small_function): Use it; take minimal amount
3186 of insns as base for code growth.
3187 (cgraph_decide_inlining): Make initial_insns local; do not compute
3189 * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 60.
3190 * doc/invoke.texi (inline-unit-growth): Update docs.
3192 2007-01-24 Jakub Jelinek <jakub@redhat.com>
3194 * config/i386/i386.h (x86_cmpxchg16b): Remove const.
3195 (TARGET_CMPXCHG16B): Define to x86_cmpxchg16b.
3196 * config/i386/i386.c (x86_cmpxchg16b): Remove const.
3197 (override_options): Add PTA_CX16 flag. Set x86_cmpxchg16b
3198 for CPUs that have PTA_CX16 set.
3201 * gimplify.c (omp_check_private): New function.
3202 (gimplify_scan_omp_clauses): Use it for
3203 firstprivate/lastprivate/reduction.
3206 * gimplify.c (omp_add_variable): Don't call omp_notice_variable
3207 on TYPE_SIZE_UNIT for GOVD_LOCAL VLAs.
3210 * omp-low.c (lower_omp_for_lastprivate): Add dlist argument.
3211 If lower_lastprivate_clauses emits some statements, append them
3212 to dlist rather than body_p and to body_p append an initializer.
3213 (lower_omp_for): Adjust caller.
3215 2007-01-24 Steve Ellcey <sje@cup.hp.com>
3217 * target.h (globalize_decl_name): New.
3218 * target-def.h (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
3219 * output.h (default_globalize_decl_name): New.
3220 * varasm.c (asm_output_bss): Use globalize_decl_name instead of
3222 (globalize_decl): Ditto.
3223 (default_globalize_decl_name): New.
3224 * config/ia64/ia64.c (ia64_globalize_decl_name): New.
3225 (ia64_handle_version_id_attribute): New.
3226 (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
3227 (ia64_asm_output_external): Use globalize_decl_name instead
3229 * doc/extend.texi (version_id): New pragma.
3230 * doc/tm.texi (ARGET_ASM_GLOBALIZE_DECL_NAME): New target hook.
3232 2007-01-24 Andreas Krebbel <krebbel1@de.ibm.com>
3234 * unwind-dw2-fde.c (get_cie_encoding): Replaced _Unwind_Word with
3235 _uleb128_t and _Unwind_SWord with _sleb128_t.
3236 * unwind-dw2.c (extract_cie_info, execute_stack_op, execute_cfa_program,
3237 uw_frame_state_for, uw_update_context_1): Likewise.
3238 * unwind-c.c (parse_lsda_header, PERSONALITY_FUNCTION): Likewise.
3239 * unwind-pe.h (read_uleb128, read_sleb128,
3240 read_encoded_value_with_base): Likewise.
3241 * unwind-generic.h: Define _sleb128_t and _uleb128_t types.
3243 2007-01-24 Richard Guenther <rguenther@suse.de>
3245 * builtins.c (expand_builtin_cexpi): Get the fndecl
3246 for cexp in the correct way.
3248 2007-01-24 Jan Hubicka <jh@suse.cz>
3250 * tree-ssa-dce.c (eliminate_unnecesary_stmts): Remove dead LHS of calls.
3252 2007-01-24 Andreas Krebbel <krebbel1@de.ibm.com>
3254 * c-cppbuiltin.c (builtin_define_type_sizeof): New function.
3255 (c_cpp_builtins): New builtin macros: __SIZEOF_INT__, __SIZEOF_LONG__,
3256 __SIZEOF_LONG_LONG__, __SIZEOF_SHORT__, __SIZEOF_POINTER__,
3257 __SIZEOF_FLOAT__, __SIZEOF_DOUBLE__, __SIZEOF_LONG_DOUBLE__,
3258 __SIZEOF_SIZE_T__, __SIZEOF_WCHAR_T__, __SIZEOF_WINT_T__ and
3259 __SIZEOF_PTRDIFF_T__.
3260 * doc/cpp.texi: Documentation for the new builtin macros added.
3262 2007-01-24 Uros Bizjak <ubizjak@gmail.com>
3264 * config/i386/i386.md (tanxf2, tan<mode>2, atan<mode>2, log<mode>2,
3265 log10<mode>2, log2<mode>2, expxf2, exp10xf2, exp2xf2): Use op2
3266 instead of operands[2] to avoid access past the end of array.
3268 2007-01-24 Richard Sandiford <richard@codesourcery.com>
3270 * reload1.c (emit_reload_insns): Pass the reload register
3271 for a non-spill output reload through forget_old_reloads_1.
3273 2007-01-23 Joseph Myers <joseph@codesourcery.com>
3275 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
3276 _SOFT_DOUBLE if doubles use software floating-point.
3277 * config/rs6000/libgcc-ppc-glibc.ver: Export additional long
3278 double functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
3279 * config/rs6000/darwin-ldouble.c: Also compile functions for
3280 hard-float without FPRs. Use fmsub function for all __NO_FPRS__
3281 cases. Compile extra functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
3282 * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove
3283 commented-out long double override.
3284 (CPP_LONGDOUBLE_DEFAULT_SPEC): Likewise.
3285 * config/rs6000/eabispe.h: Likewise.
3286 * config/rs6000/rs6000.c (rs6000_override_options): Don't override
3287 long double for non-SPE.
3288 (rs6000_handle_option): Likewise.
3289 (invalid_e500_subreg): Disallow more subregs involding DImode,
3290 DFmode, TImode or TFmode.
3291 (rs6000_legitimate_offset_address_p): Check TFmode offsets for
3293 (legitimate_lo_sum_address_p): Also check for TFmode for E500
3295 (rs6000_legitimize_address): Also handle TFmode for E500 double.
3296 (rs6000_legitimize_reload_address): Also handle TFmode for E500
3298 (rs6000_legitimate_address): Also check for TFmode for E500
3300 (rs6000_emit_move): Use DFmode subregs of TFmode for E500 double.
3301 (spe_build_register_parallel): Handle TFmode and TCmode.
3302 (rs6000_spe_function_arg): Handle TFmode and TCmode for E500
3304 (function_arg): Handle TFmode and TCmode for E500 double.
3305 (rs6000_init_libfuncs): Initialize extra libfuncs for soft double
3307 (print_operand): Handle TFmode and TImode for %y.
3308 (rs6000_generate_compare): Handle TFmode comparisons for E500
3310 (spe_func_has_64bit_regs_p): Check for TFmode for E500 double.
3311 (rs6000_function_value): Handle TFmode and TCmode for E500 double.
3312 (rs6000_libcall_value): Handle TFmode and TCmode for E500 double.
3313 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Check for
3314 TFmode for E500 double.
3315 * config/rs6000/rs6000.md (FP): Allow TF for E500 double.
3316 (floatsidf2): Enable for E500 double.
3317 (movtf_softfloat): Use rs6000_nonimmediate_operand.
3318 (extenddftf2): Change to extenddftf2_fprs.
3319 (extenddftf2): Call gen_spe_extenddftf2 or gen_extenddftf2_fprs
3320 depending on TARGET_E500_DOUBLE.
3321 (extendsftf2): Enable for E500 double.
3322 (trunctfdf2): Enable for E500 double.
3323 (trunctfsf2): Change to trunctfsf2_fprs.
3324 (trunctfsf2): Call gen_spe_trunctfsf2 or gen_trunctfsf2_fprs
3325 depending on TARGET_E500_DOUBLE.
3326 (floatsitf2): Enable for E500 double.
3327 (fix_trunctfsi2): Change to fix_trunctfsi2_fprs.
3328 (fix_trunctfsi2): Call gen_spe_fix_trunctfsi2 or
3329 gen_fix_trunctfsi2_fprs depending on TARGET_E500_DOUBLE.
3330 (negtf2): Change to negtf2_internal.
3331 (negtf2): New expander.
3332 (abstf2): Enable for E500 double. Call gen_spe_abstf2_tst,
3333 gen_spe_abstf2_cmp or gen_abstf2_internal depending on
3334 TARGET_E500_DOUBLE and flag_unsafe_math_optimizations.
3335 (movdi_internal32): Use rs6000_nonimmediate_operand.
3336 (unnamed splitter): Likewise.
3337 * config/rs6000/spe.md (CMPTFEQ_GPR, TSTTFEQ_GPR, CMPTFGT_GPR,
3338 TSTTFGT_GPR, CMPTFLT_GPR, TSTTFLT_GPR): New unspecs.
3339 (SPE64TF, DITI): New mode macros.
3340 (frob_df_di): Change to frob_<SPE64:mode>_<DITI:mode>; allow more
3343 (frob_<mode>_di_2): New.
3344 (frob_tf_di_8_2): New.
3345 (frob_di_df): Change to frob_di_<mode>; allow more modes.
3347 (frob_di_df_2): Change to frob_<DITI:mode>_<SPE64:mode>_2; allow
3349 (frob_ti_<mode>_8_2): New.
3350 (frob_ti_tf_2): New.
3351 (mov_si<mode>_e500_subreg0, mov_si<mode>_e500_subreg0_2,
3352 mov_si<mode>_e500_subreg4, mov_si<mode>_e500_subreg4_2): Allow
3354 (mov_sitf_e500_subreg8, mov_sitf_e500_subreg8_2,
3355 mov_sitf_e500_subreg12, mov_sitf_e500_subreg12_2): New.
3356 (spe_trunctfdf2_internal1, spe_trunctfsf2, spe_extenddftf2,
3357 spe_fix_trunctfsi2, spe_fix_trunctfsi2_internal,
3358 spe_negtf2_internal, spe_abstf2_cmp, spe_abstf2_tst): New.
3359 (cmptfeq_gpr, tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr,
3362 2007-01-23 Ian Lance Taylor <iant@google.com>
3364 * Makefile.in (OBJS-common): Reformat, alphabetize, but put
3366 (OBJS-archive): Reformat, alphabetize.
3367 (OBJS): Change out_object_file to OBJS-md.
3369 2007-01-23 Uros Bizjak <ubizjak@gmail.com>
3371 * config/i386/i386.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
3372 JUMP_P and CALL_P predicates where applicable.
3373 * config/i386/i386.c: Ditto.
3374 * config/i386/i386.md: Ditto.
3375 * config/i386/mmx.md: Ditto.
3376 * config/i386/predicates.md: Ditto.
3378 2007-01-22 Andreas Schwab <schwab@suse.de>
3380 * config/m68k/m68k.h: Fix comment.
3382 2007-01-22 Jan Hubicka <jh@suse.cz>
3384 * passes.c (init_optimization_passes): Do not rerun
3385 pass_early_warn_uninitialized.
3387 2007-01-22 Richard Guenther <rguenther@suse.de>
3389 PR tree-optimization/30038
3390 * tree-ssa-math-opts.c (maybe_record_sincos): New static helper
3392 (execute_cse_sincos_1): Likewise.
3393 (execute_cse_sincos): Likewise.
3394 (gate_cse_sincos): Likewise.
3395 (pass_cse_sincos): New pass CSEing sin() and cos() calls using
3396 the cexpi() canonicalization of sincos().
3397 * tree-pass.h (pass_cse_sincos): Declare.
3398 * passes.c (init_optimization_passes): New pass pas_cse_sincos.
3400 2007-01-21 Eric Botcazou <ebotcazou@libertysurf.fr>
3402 PR rtl-optimization/29329
3403 * combine.c (replaced_rhs_insn): Rename to i2mod.
3404 (replaced_rhs_value): Rename to i2mod_new_rhs.
3405 (i2mod_old_rhs): New global variable.
3406 (combine_instructions): Adjust for above change. Save a copy of
3407 the old RHS into i2mod_old_rhs when the contents of a REG_EQUAL
3408 note are substituted in the second instruction.
3409 (distribute_notes) <REG_DEAD>: Adjust for above change. Do not
3410 ditch the note if it pertains to the second eliminated register
3411 and this register is mentioned in i2mod_old_rhs.
3414 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
3416 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
3417 the insn to which the note was originally attached.
3419 2007-01-21 Jan Hubicka <jh@suse.cz>
3421 * ipa-inline.c (inlining_mode): Comment, move up.
3422 (cgraph_decide_inlining_incrementally): Do not perform inlining
3423 itself; fix handling of flattening of self recursive functions.
3424 (cgraph_find_cycles): Remove.
3425 (cgraph_flatten_node): Remove.
3426 (cgraph_decide_inlining): Use incremental inliner to handle flattening.
3427 (try_inline): New function.
3428 (cgraph_early_inlining): Update call of
3429 cgraph_decide_inlining_incrementally. Apply inlining here.
3430 (apply_inline): Update call of cgraph_decide_inlining_incrementally.
3432 2007-01-21 Dirk Mueller <dmueller@suse.de>
3435 * tree-vrp.c (check_array_bounds): do not warn
3436 about ADDR_EXPR's of ARRAY_REF's which are immediately
3437 used in binary expressions.
3439 2007-01-21 Ira Rosen <irar@il.ibm.com>
3441 * tree-vectorizer.h (struct _stmt_vec_info): Add new field
3442 read_write_dep and macros for its access.
3443 * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
3444 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Remove
3445 argument, call vect_check_interleaving for every independent pair of
3446 data-refs. Mark loads that access the same memory location as a store
3448 (vect_check_dependences): Remove.
3449 (vect_analyze_data_ref_dependences): Remove vect_check_dependences
3450 call, fix the call to vect_analyze_data_ref_dependence.
3451 (vect_analyze_data_ref_access): For statements that access the same
3452 data-ref, check that they are not stores; for loads, check that there
3453 is no store that access the same location.
3455 2007-01-20 Roger Sayle <roger@eyesopen.com>
3456 Joseph Myers <joseph@codesourcery.com>
3458 * doc/invoke.texi (-fdump-rtl-combine): Fix under/overfull hbox.
3459 (-fdump-rtl-stack): Likewise.
3460 (-fno-signed-zeros): Use @minus{} for a minus sign. Correct typo.
3461 (-mcheck-zero-division, -mcpu): Fix under/overfull hbox.
3462 (-mpt-fixed): Use @minus{} for minus sign.
3463 (Using Precompiled Headers): Fix under/overfull hbox.
3465 2007-01-20 Jan Hubicka <jh@suse.cz>
3467 * tree-flow.h (struct stmt_ann_d): Move references_memory to proper
3468 place within annotation.
3470 2007-01-20 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3472 * pa.c (output_move_double): Change array size of xoperands to 4.
3474 2007-01-20 Jan Hubicka <jh@suse.cz>
3476 * tree-tailcall.c (adjust_return_value): Do not use RESULT_DECL
3479 2007-01-19 Ian Lance Taylor <iant@google.com>
3481 * expmed.c (expand_divmod) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]: Cast
3482 constant to unsigned HOST_WIDE_INT before negating.
3484 2007-01-19 Ian Lance Taylor <iant@google.com>
3486 * tree-ssa-operands.h (struct vuse_vec_d): Change num_vuse field
3488 (VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Use unsigned comparison.
3489 (VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
3490 (SET_VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Likewise.
3491 (SET_VUSE_ELEMENT_VAR) [ENABLE_CHECKING]: Likewise.
3492 (SET_VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
3493 (realloc_vdef, realloc_vuse): Change second parameter to
3495 (ssa_operand_iterator_d): Change vuse_index and mayuse_index
3497 * tree-ssa-operands.c (realloc_vop): Change num_elem parameter to
3498 unsigned. Change x and lim locals to unsigned.
3499 (realloc_vdef, realloc_vuse): Change num_elem parameter to
3501 (finalize_ssa_vuse_ops): Change old_i local to unsigned.
3502 (copy_virtual_operands): Change i and n locals to unsigned.
3504 2007-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3507 * builtins.c (fold_builtin_1): Handle builtin fdim.
3509 2007-01-20 Jan Hubicka <jh@suse.cz>
3511 * tree-ssa.c (init_tree_ssa): Do not call init_alias_heapvars.
3512 * tree-ssa-structalias.c (compute_points_to_sets): Do call
3513 init_alias_heapvars.
3514 (init_alias_heapvars): Initialize only when not already initialized.
3515 (delete_alias_heapvars): Set heapvar_for_stmt to NULL.
3517 2007-01-19 Roger Sayle <roger@eyesopen.com>
3519 * common.opt (fsigned-zeros): New command line option.
3520 * flags.h (HONOR_SIGNED_ZEROS): Control via flag_signed_zeros instead
3521 of flag_unsafe_math_optimizations.
3522 * opts.c (set_fast_math_flags): The -ffast-math command line option
3523 implies -fno-signed-zeros.
3524 (fast_math_flags_set_p): Likewise.
3526 * doc/invoke.texi: Document new -fno-signed-zeros option, and update
3527 the documentation of -ffast-math appropriately. Wrap long lines.
3529 2007-01-19 Steve Ellcey <sje@cup.hp.com>
3531 * system.h (ASM_MAKE_LABEL_LINKONCE): Poison.
3532 * varasm.c (globalize_decl): Remove ASM_MAKE_LABEL_LINKONCE ifdef.
3534 2007-01-19 Tomas Bily <tbily@suse.cz>
3536 * cgraphunit.c (cgraph_finalize_function): Updating of pid
3538 (tree_init_ic_make_global_vars): New function
3539 (tree_init_edge_profiler): call of tree_init_ic_make_global_vars
3540 (tree_gen_ic_profiler): New function
3541 (tree_gen_ic_func_profiler): New function
3542 (tree_profiling): Added calling of tree_gen_ic_func_profiler
3543 (tree_profile_hooks): Added hook for indirec/virtual calls
3544 * value-prof.c (tree_find_values_to_profile): New case for
3546 (tree_values_to_profile): Call for determining indirect/virtual
3548 (tree_indirect_call_to_profile): New function
3549 (tree_ic_transform): New function
3550 (tree_ic): New function
3551 (find_func_by_pid): New function
3552 (init_pid_map): New function
3553 (tree_value_profile_transformations): Added check for
3554 indirect/virtual call transformation
3555 * value-prof.h (enum hist_type): New counter type for
3556 indirect/virtual calls
3557 (profile_hooks): Added new hook for profiling indirect/virtual
3559 * profile.c (instrument_values): New case for indirect/virtual
3561 * gcov-io.h (GCOV_LAST_VALUE_COUNTER): Changed to 6
3562 (GCOV_COUNTER_V_INDIR): New counter type
3563 (GCOV_COUNTER_NAMES): New name of counter "indirect" added
3564 (GCOV_MERGE_FUNCTIONS): New merge function for indirect/virtual
3566 * cgraph.c: Definition of cgraph_max_pid
3567 (cgraph_create_node): Default init of pid attribute
3568 * cgraph.h: Declaration of cgraph_max_pid
3569 (struct cgraph_node): Added pid attribute
3570 * libgcov.c (__gcov_indirect_call_profiler): New function
3571 (__gcov_one_value_profiler_body): New function
3572 (__gcov_one_value_profiler): Body was moved to
3573 __gcov_one_value_profiler_body and calls it
3575 2007-01-19 Basile Starynkevitch <basile@starynkevitch.net>
3577 * doc/gty.texi (Options): Document the mark_hook option to GTY.
3578 * gengtype.c (write_types_data, write_func_for_structure,
3579 write_types, ggc_wtd, pch_wtd): Add skip_hooks to
3580 write_types_data, ggc_wtd, pch_wtd for processing mark_hook.
3581 (walk_type, write_func_for_structure): Generate the mark_hook if
3584 2007-01-19 Jan Hubicka <jh@suse.cz>
3586 * ipa-inline.c (cgraph_decide_inlining_incrementally): Instead of
3587 'early' argument take inlining mode argument specifying whether to
3588 inline for size/speeed or all functions; add support for flattening;
3590 (cgraph_early_inlining): Update call of decide_inlining_incrementally.
3592 2007-01-19 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3595 * toplev.c (warn_deprecated_use): Use %qD instead of %qs to print
3596 the name of the declared identifier.
3598 2007-01-19 Dirk Mueller <dmueller@suse.de>
3600 * config/i386.h (CONDITIONAL_REGISTER_USAGE): Store
3601 result of PIC_OFFSET_TABLE_REGNUM in temporary variable to avoid
3602 duplicate evaluation.
3604 2007-01-19 Uros Bizjak <ubizjak@gmail.com>
3606 * config/i386/i386.md (acos<mode>2): Rename from acossf2 and acosdf2.
3607 Macroize expander using X87MODEF12 mode macro. Extend operand 1
3608 to XFMode, use acosxf2 and truncate result to requested mode.
3609 Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
3610 (asin<mode>2): Similarly, with asin expanders.
3611 (*fscalexf4_i387): Rename from *fscalexf4.
3612 (expNcorexf3): New expander.
3613 (expxf2, exp10xf2, exp2xf2): Use expNcorexf3 expander.
3614 (exp<mode>2): Rename from expsf2 and expdf2. Macroize expander using
3615 X87MODEF12 mode macro. Extend operand 1 to XFMode, use expxf2 and
3616 truncate result to requested mode. Use SSE_FLOAT_MODE_P to disable
3617 patterns for SSE math.
3618 (exp10<mode>2): Similarly, with exp10 expanders.
3619 (exp2<mode>2): Similarly, with exp2 expanders.
3620 (expm1<mode>2): Similarly, with expm1 expanders.
3621 (ldexp<mode>3): Similarly, with ldexp expanders.
3622 (log<mode>2, log10<mode>2, log2<mode>2, log1p<mode>2, logb<mode>2):
3623 Use gen_truncxf<mode>2_i387_noop to truncate result.
3625 2007-01-19 Richard Sandiford <richard@codesourcery.com>
3627 * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Define to 32
3628 for ColdFire targets.
3630 2007-01-19 Nathan Sidwell <nathan@codesourcery.com>
3631 Richard Sandiford <richard@codesourcery.com>
3633 * config/m68k/m68k.h (M68K_STATIC_CHAIN_REG_NAME): New macro.
3634 (INITIALIZE_TRAMPOLINE): Use STATIC_CHAIN_REGNUM.
3635 (__transfer_from_trampoline): Use M68K_STATIC_CHAIN_REG_NAME.
3636 * config/m68k/m68kelf.h (STATIC_CHAIN_REGNUM): Override.
3637 (M68K_STATIC_CHAIN_REG_NAME): Likewise.
3638 * config/m68k/netbsd-elf.h (M68K_STATIC_CHAIN_REG_NAME): Likewise.
3640 2007-01-19 Richard Sandiford <richard@codesourcery.com>
3642 * config/m68k/m68k.md (adddi_dilshr32): Rename to...
3643 (*adddi_dilshr32): ...this. Fix formatting. Remove commented-out
3644 non-canonical pattern. Restrict to !TARGET_COLDFIRE.
3645 (*adddi_dilshr32_cf): New pattern.
3646 (adddi3, subdi3): Remove first alternatives.
3648 2007-01-19 Richard Sandiford <richard@codesourcery.com>
3650 * config/m68k/m68k.c (notice_update_cc): If an SFmode move is
3651 implemented using move.l, do not use its cc result for floating-point
3654 2007-01-19 Richard Sandiford <richard@codesourcery.com>
3656 * config/m68k/m68k.h (EXTRA_CONSTRAINT): Stop the 'T' constraint
3657 from accepting 's' constraints if flag_pic.
3659 2007-01-19 Richard Sandiford <richard@codesourcery.com>
3661 * config/m68k/m68k.md (bordered, bunordered, buneq, bunge, bungt)
3662 (bunle, bunlt, bltgt, bordered_rev, bunordered_rev, buneq_rev)
3663 (bunge_rev, bungt_rev, bunle_rev, bunlt_rev, bltgt_rev): Change
3664 condition from TARGET_68881 to TARGET_HARD_FLOAT.
3666 2007-01-19 Sandra Loosemore <sandra@codesourcery.com>
3668 * longlong.h (count_leading_zeros, COUNT_LEADING_ZEROS_0): Add
3669 ColdFire alternatives.
3670 * config/m68k/m68k.h (CLZ_DEFINED_VALUE_AT_ZERO): New macro.
3671 * config/m68k/m68k.md (clzsi2): Define for ColdFire
3672 architectures that support ff1 instruction.
3674 2007-01-19 Richard Sandiford <richard@codesourcery.com>
3675 Julian Brown <julian@codesourcery.com>
3677 * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Add an 'R' case.
3678 * config/m68k/m68k.md (*movsi_cfv4): Fold into...
3679 (*movsi_cf): ...here. Remove unnecessary 'R' from 'Rg'.
3682 2007-01-19 Richard Sandiford <richard@codesourcery.com>
3684 * config/m68k/m68k-protos.h (valid_mov3q_const): Take a HOST_WIDE_INT
3686 (output_move_const_into_data_reg, output_move_simode_const): Delete.
3687 * config/m68k/m68k.c (const_method, const_int_cost): Take a
3688 HOST_WIDE_INT instead of an rtx.
3689 (m68k_rtx_costs): Update call accordingly.
3690 (output_move_const_into_data_reg): Likewise. Fix formatting.
3691 (valid_mov3q_const): Take a HOST_WIDE_INT instead of an rtx.
3693 (output_move_simode_const): Update calls after above changes.
3694 Rework to use automatic variables and predicates like MEM_P.
3695 * config/m68k/m68k.md (pushexthisi_const): Update call to
3698 2007-01-19 Dirk Mueller <dmueller@suse.de>
3700 * tree-ssa-alias.c (perform_var_substitution): Fix typo
3703 2007-01-19 Richard Guenther <rguenther@suse.de>
3705 * builtins.c (expand_builtin_cexpi): Fall back to expanding
3706 via cexp in case sincos is not available.
3708 2007-01-19 Richard Guenther <rguenther@suse.de>
3710 * doc/tm.texi (TARGET_HAS_SINCOS): Document new target macro.
3711 * defaults.h (TARGET_HAS_SINCOS): Default to off.
3712 * config/linux.h (TARGET_HAS_SINCOS): Set to on if we have glibc.
3713 * config/alpha/linux.h (TARGET_HAS_SINCOS): Likewise.
3714 * config/sparc/linux.h (TARGET_HAS_SINCOS): Likewise.
3715 * config/sparc/linux64.h (TARGET_HAS_SINCOS): Likewise.
3716 * config/rs6000/linux.h (TARGET_HAS_SINCOS): Likewise.
3717 * config/rs6000/linux64.h (TARGET_HAS_SINCOS): Likewise.
3719 2007-01-19 Uros Bizjak <ubizjak@gmail.com>
3721 * config/i386/i386.md (*fpatanxf3_i387, fpatan_extend<mode>xf3_i387):
3723 (atan2sf3_1, atan2df3_1, atan2xf3_1): Remove insn patterns.
3724 (atan2xf3): Directly generate RTL pattern.
3725 (atan2<mode>3): Rename from atan2sf3 and atan2df3 and macroize insn
3726 patterns using X87MODEF12 mode macro. Use fpatan_extend<mode>xf3_i387
3727 and truncate result to requested mode. Use SSE_FLOAT_MODE_P to
3728 disable patterns for SSE math.
3729 (atan<mode>2): Rename from atansf2 and atandf2 and macroize insn
3730 patterns using X87MODEF12 mode macro. Use fpatan_extend<mode>xf3_i387
3731 and truncate result to requested mode. Use SSE_FLOAT_MODE_P to
3732 disable patterns for SSE math.
3734 2007-01-19 Alexandre Oliva <aoliva@redhat.com>
3736 * libgcc-std.ver: Fix typo in %inherit for GCC_4.3.0.
3738 2007-01-18 Roger Sayle <roger@eyesopen.com>
3740 * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Optimize away a
3741 VIEW_CONVERT_EXPR to the same type as it's operand.
3743 2007-01-18 David Edelsohn <edelsohn@gnu.org>
3745 * config/rs6000/darwin-ldouble.c: Only build _SOFT_FLOAT if
3746 configured for long double 128.
3748 2007-01-18 Mike Stump <mrs@apple.com>
3750 * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Fix build
3753 2007-01-18 Michael Meissner <michael.meissner@amd.com>
3755 * i386.c (ix86_compute_frame_layout): Make fprintf's in #if 0 code
3758 2007-01-18 Jan Hubicka <jh@suse.cz>
3760 * tree-ssa-operands.c (vop_free_bucket_size): Never return value
3761 greater than NUM_VOP_FREE_BUCKETS.
3763 2007-01-18 Daniel Berlin <dberlin@dberlin.org>
3765 * tree-ssa-structalias.c: Update comments.
3766 (ptabitmap_obstack): Removed.
3768 (oldpta_obstack): Ditto.
3769 (stats): Add a few members.
3770 (struct variable_info): Remove node, complex, address_taken, and
3771 indirect_target members. Add oldsolution member.
3772 (new_var_info): Do not initialize removed members.
3773 (constraint_expr_type): Remove INCLUDES.
3774 (constraint_graph): Add size, implicit_preds, rep,
3775 indirect_cycles, eq_rep, label, direct_nodes, and complex members.
3776 (FIRST_REF_NODE): New macro.
3777 (LAST_REF_NODE): Ditto.
3778 (FIRST_ADDR_NODE): Ditto.
3779 (find): New function.
3781 (dump_constraint): Do not handle INCLUDES.
3782 (insert_into_complex): Do not insert duplicate constraints.
3783 (condense_varmap_nodes): Renamed and rewritten into ...
3784 (merge_node_constraints): This. Also fix bug in handling of
3785 offseted copy constraints.
3786 (clear_edges_for_node): No longer need to deal with preds at all,
3787 or removing associated preds/succs.
3788 (merge_graph_nodes): Deal with indirect_cycles.
3789 Don't deal with predecessors.
3790 (add_implicit_graph_edge): New function.
3791 (add_pred_graph_edge): Ditto.
3792 (add_graph_edge): Don't deal with predecessors.
3793 (build_constraint_graph): Removed.
3794 (build_pred_graph): New function.
3795 (build_succ_graph): Ditto.
3796 (struct scc_info): Removed in_component. Added roots, dfs, and
3797 node_mapping. Remove visited_index, unification_queue.
3798 (scc_visit): Deal with union-find we do now.
3799 Deal with cycles with REF nodes.
3800 (collapse_nodes): Renamed and rewritten to ...
3801 (unify_nodes): This.
3802 (process_unification_queue): Removed.
3803 (topo_visit): Cleanup
3804 (do_da_constraint): Use find.
3805 (do_sd_constraint): Ditto.
3806 (do_ds_constraint): Ditto.
3807 (do_complex_constraint): Ditto.
3808 (init_scc_info): Update for removed and added members.
3809 (find_and_collapse_graph_cycles): Renamed and rewritten into ...
3810 (find_indirect_cycles): This.
3811 (equivalence_class): New variable.
3812 (label_visit): New function.
3813 (perform_variable_substitution): Rewritten.
3814 (free_var_substitution_info): New function.
3815 (find_equivalent_node): Ditto.
3816 (move_complex_constraints): Ditto.
3817 (eliminate_indirect_cycles): Ditto.
3818 (solve_graph): Only propagate changed bits.
3819 Use indirect cycle elimination.
3821 (tree_id_t): Rename to tree_vi_t, delete id member, add vi member.
3822 (tree_id_eq): Renamed to ...
3823 (tree_vi_eq): This. Update for member change
3824 (insert_id_for_tree): Renamed and rewritten to ...
3825 (insert_vi_for_tree): This.
3826 (lookup_id_for_tree): Renamed and rewritten to ...
3827 (lookup_vi_for_tree): This.
3828 (get_id_for_tree): Renamed and rewritten to ...
3829 (get_vi_for_tree): Ditto.
3830 (get_constraint_exp_from_ssa_var): Update to use get_vi_for_tree.
3831 (process_constraint): Don't handle INCLUDES.
3832 Remove special ADDRESSOF case.
3833 (find_func_aliases): Rewrite to use vi functions instead of id
3835 (create_function_info_for): Ditto.
3836 (create_variable_info_for): Ditto.
3837 (intra_create_variable_infos): Ditto.
3838 (merge_smts_into): Ditto.
3839 (find_what_p_points_to): Ditto.
3840 (init_base_vars): Ditto.
3841 (init_alias_vars): Ditto.
3842 (remove_preds_and_fake_succs): New function.
3843 (dump_sa_points_to_info): Dump new stats.
3844 (dump_solution_for_var): Use find.
3845 (set_used_smts): Fix formatting.
3846 (compute_points_to_sets): Updated for new functions.
3847 (ipa_pta_execute): Ditto.
3849 2007-01-18 Kazu Hirata <kazu@codesourcery.com>
3850 Richard Sandiford <richard@codesourcery.com>
3852 * doc/tm.texi (TARGET_FUNCTION_VALUE): Expand documentation of
3854 * calls.c (expand_call): If the return value is a PARALLEL,
3855 extract its first member.
3856 * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Remove.
3857 * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
3858 use FUNCTION_EXTRA_EPILOGUE.
3859 (m68k_function_value): Return a PARALLEL if the return value
3860 is of a pointer type.
3861 * config/m68k/netbsd-elf.h (current_function_returns_pointer)
3862 (FUNCTION_EXTRA_EPILOGUE): Remove.
3863 * config/m68k/m68k.md (D0_REG): New constant.
3865 2007-01-18 Kazu Hirata <kazu@codesourcery.com>
3867 * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
3868 output a NOP for empty epilogues.
3870 2007-01-18 Richard Sandiford <richard@codesourcery.com>
3872 * config/m68k/m68k.c (m68k_use_return_insn): Update comments
3873 before function. Extend register save check to include all
3874 registers, not just integer ones.
3876 2007-01-18 Kazu Hirata <kazu@codesourcery.com>
3878 * config/m68k/m68k-protos.h (use_return_insn): Rename to...
3879 (m68k_use_return_insn): ...this.
3880 * config/m68k/m68k.h (USE_RETURN_INSN): Delete.
3881 * config/m68k/m68k.c (use_return_insn): Rename to...
3882 (m68k_use_return_insn): ...this.
3883 * config/m68k/m68k.md (return): Use m68k_use_return_insn instead
3886 2007-01-18 Nathan Sidwell <nathan@codesourcery.com>
3888 * config/m68k/fpgnulib.c (__truncdfsf2): Implement round to
3889 nearest even, fix denormal rounding overflow.
3891 2007-01-18 Richard Sandiford <richard@codesourcery.com>
3893 * config/m68k/m68k.md (movsf_cf_hard): Use fsmove instead of
3894 f%$smove and f%$move.
3895 (movdf_cf_hard): Use fdmove for cases 0 and 3 and fmove for case 1.
3896 (extendsfdf2_cf): Use fdmove instead of f%&move.
3897 (truncdfsf2_cf): Use fsmove instead of f%$smove.
3898 (add<mode>3_cf, sub<mode>3_cf): Use <FP:prec> instead of <FP:round>.
3900 2007-01-18 Richard Sandiford <richard@codesourcery.com>
3902 * config/m68k/m68k.md (movdf_cf_hard): Use output_move_double for
3905 2007-01-18 Richard Sandiford <richard@codesourcery.com>
3907 * real.h (real_format): Add a canonical_nan_lsbs_set field.
3908 (coldfire_single_format): Declare.
3909 (coldfire_double_format): Likewise.
3910 * real.c (encode_ieee_single): Use canonical_nan_lsbs_set instead
3911 of qnan_msb_set to determine the lower bits of a canonical
3913 (encode_ieee_double): Likewise.
3914 (encode_ieee_quad): Likewise.
3915 (ieee_single_format): Initialize canonical_nan_lsbs_set.
3916 (mips_single_format): Likewise.
3917 (ieee_double_format): Likewise.
3918 (mips_double_format): Likewise.
3919 (ieee_extended_motorola_format): Likewise.
3920 (ieee_extended_intel_96_format): Likewise.
3921 (ieee_extended_intel_128_format): Likewise.
3922 (ieee_extended_intel_96_round_53_format): Likewise.
3923 (ibm_extended_format): Likewise.
3924 (mips_extended_format): Likewise.
3925 (ieee_quad_format): Likewise.
3926 (mips_quad_format): Likewise.
3927 (vax_f_format): Likewise.
3928 (vax_d_format): Likewise.
3929 (vax_g_format): Likewise.
3930 (i370_single_format): Likewise.
3931 (i370_double_format): Likewise.
3932 (decimal_single_format): Likewise.
3933 (decimal_double_format): Likewise.
3934 (decimal_quad_format): Likewise.
3935 (c4x_single_format): Likewise.
3936 (c4x_extended_format): Likewise.
3937 (real_internal_format): Likewise.
3938 (coldfire_single_format): New real_format.
3939 (coldfire_double_format): Likewise.
3940 * config/pdp11/pdp11.c (pdp11_f_format): Initialize
3941 canonical_nan_lsbs_set.
3942 (pdp11_d_format): Likewise.
3943 * config/m68k/m68k.c (override_options): Override REAL_FORMAT_MODE
3944 if TARGET_COLDFIRE_CPU.
3946 2007-01-18 Richard Sandiford <richard@codesourcery.com>
3948 * config/m68k/m68k-protos.h (m68k_output_pic_call): Delete.
3949 (output_call, m68k_legitimize_call_address): Declare.
3950 * config/m68k/m68k.h (EXTRA_CONSTRAINT): Remove unnecessary
3951 parenthesees. Add support for a 'W' constraint.
3952 (LEGITIMATE_PIC_OPERAND_P): Remove SYMBOL_REF_FLAG handling.
3953 (PRINT_OPERAND_PUNCT_VALID_P): Remove comment about 'o'.
3954 (m68k_symbolic_call, m68k_symbolic_jump): Declare.
3955 * config/m68k/m68k.c (m68k_symbolic_call, m68k_symbolic_jump): New
3957 (override_options): Initialize them. Do not set flag_no_function_cse
3958 for TARGET_ID_SHARED_LIBRARY.
3959 (m68k_output_pic_call): Delete.
3960 (m68k_legitimize_call_address): New function.
3961 (print_operand): Remove the %o prefix. Handle the %p prefix.
3962 (output_call): New function.
3963 (m68k_output_mi_thunk): Use m68k_symbolic_jump. Always load the
3964 target address from the GOT if symbolic jumps are not allowed.
3965 * config/m68k/m68k.md (call, general_operand): Do not set
3966 SYMBOL_REF_FLAG. Use m68k_legitimize_call_address instead.
3967 Merge separate flag_pic and !flag_pic define_insns into...
3968 (*call, *call_value): ...these new patterns. Match the address
3969 rather than the containing MEM and require it to be a call_operand.
3970 Use output_call to generate the asm template.
3971 * config/m68k/predicates.md (const_call_operand): New predicate.
3972 (call_operand): Likewise.
3974 2007-01-18 Nathan Sidwell <nathan@codesourcery.com>
3976 * config/m68k/m68k.h (REGISTER_MOVE_COST): Simplify definition.
3977 (STACK_GROWS_DOWNWARD): Define to 1.
3978 (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Equivocate
3979 comments, emphasizing that these values are only defaults.
3980 * config/m68k/linux.h (LINK_SPEC): Fix formatting in #undef.
3981 * config/m68k/m68k.c (const_method): Remove trailing whitespace.
3983 2007-01-18 Richard Sandiford <richard@codesourcery.com>
3985 * config/m68k/m68k.md (cmpsi): Remove outdated flag_pic handling.
3987 2007-01-18 Kazu Hirata <kazu@codesourcery.com>
3988 Richard Sandiford <richard@codesourcery.com>
3990 * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P)
3991 (FP_REGNO_P): New macros.
3992 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_DATA_P)
3993 (REGNO_OK_FOR_FP_P, REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Use them.
3994 (EH_RETURN_STACKADJ_RTX): Use A0_REG.
3995 * config/m68k/m68k.c (m68k_regno_mode_ok): Use the new REGNO macros.
3997 2007-01-18 Nathan Sidwell <nathan@codesourcery.com>
3999 * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
4000 (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-rtems*): Add t-floatlib
4002 * config/m68k/t-floatlib: New file, extracting common code from...
4003 * config/m68k/t-m68kbare, config/m68k/t-m68kelf,
4004 * config/m68k/t-uclinux: Here.
4005 * config/m68k/fpgnulib.c: Do not compile extendeed precision
4006 routines on ColdFire targets.
4008 2007-01-18 Nathan Sidwell <nathan@codesourcery.com>
4010 * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
4011 (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*)
4012 (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-linux*)
4013 (m68k-*-rtems*): Use tm_file rather than m68k/m68k.h and
4014 explicitly set MOTOROLA to 1.
4015 * config/m68k/m68k.h (MOTOROLA): Simplify definition accordingly.
4017 2007-01-18 Richard Sandiford <richard@codesourcery.com>
4018 Nathan Sidwell <nathan@codesourcery.com>
4020 * config/m68k/m68k.h (PCC_STATIC_STRUCT_RETURN): Delete.
4021 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Add MOTOROLA cases.
4022 * config/m68k/coff.h (REGISTER_PREFIX_MD): Delete.
4023 * config/m68k/m68020-elf.h (LIB_SPEC): Delete.
4024 * config/m68k/m68k-none.h (CC1_SPEC, CPP_SUBTARGET_SPEC): Delete.
4025 * config/m68k/m68kelf.h (IMMEDIATE_PREFIX, REGISTER_PREFIX_MD)
4026 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
4027 (NO_DOLLAR_IN_LABEL, PCC_STATIC_STRUCT_RETURN): Don't undefine.
4028 (BSS_ASM_OP, ASM_OUTPUT_SKIP, ASM_OUTPUT_ASCII): Delete.
4029 * config/m68k/m68kemb.h (PCC_STATIC_STRUCT_RETURN): Don't undefine.
4030 * config/m68k/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE)
4031 (WCHAR_TYPE_SIZE, TARGET_OBJFMT_CPP_BUILTINS): Delete.
4032 (TARGET_OS_CPP_BUILTINS): Don't define mc68000 and mc68020 here.
4033 (DBX_REGISTER_NUMBER): Delete.
4034 * config/m68k/netbsd-elf.h (IMMEDIATE_PREFIX): Delete.
4035 (PCC_STATIC_STRUCT_RETURN): Don't undefine.
4036 * config/m68k/openbsd.h (PCC_STATIC_STRUCT_RETURN): Define.
4038 2007-01-18 Richard Sandiford <richard@codesourcery.com>
4040 * config.gcc (m68k-*-uclinux*): Add flat.h to $tm_file.
4041 * config/flat.h: New file.
4042 * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define if
4044 * config/m68k/m68k.h (ASM_PREFERRED_EH_DATA_FORMAT): Do not use
4045 indirect references for -msep-data or -mid-shared-library.
4046 Do not use PC-relative code addresses either.
4047 * config/m68k/m68k.c (override_options): Restrict -fPIC error
4049 * config/m68k/uclinux.h (STARTFILE_SPEC): Define. Use Scrt1.o
4050 for shared libraries and crt1.o for executables. Use crti.o and
4052 (ENDFILE_SPEC): Use crtend.o and crtn.o.
4053 (LIB_SPEC): Suppress -Rlibc.gdb if -static-libc is given.
4054 Do not add -elf2flt or -shared-lib-id options here.
4055 (LINK_SPEC): Define. Pass -elf2flt if no -elf2flt option is given.
4056 Pass -shared-lib-id if -mid-shared-library, taking the library
4057 identifier from -mshared-library-id if given, otherwise
4059 (EH_FRAME_IN_DATA_SECTION): Do not undefine.
4060 (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Likewise.
4061 (TARGET_OS_CPP_BUILTINS): Define __GXX_MERGED_TYPEINFO_NAMES=0
4062 and __GXX_TYPEINFO_EQUALITY_INLINE=0 if -mid-shared-library.
4063 (DRIVER_SELF_SPECS): Map unadorned PIC options to -msep-data.
4064 * config/m68k/t-uclinux (EXTRA_MULTILIB_PARTS): Add crtbegin.o
4066 * config/m68k/lb1sf68.asm (PICCALL): Use an lea and pc-relative
4067 jump sequence for ISA A and ISA A+.
4068 (PICJUMP): Likewise.
4070 2007-01-18 Richard Sandiford <richard@codesourcery.com>
4072 * config.gcc (m68k-*-uclinux*): Base the port on the common
4073 and m68k GNU/Linux files rather than on the generic ELF ones.
4074 * config/m68k/uclinux.h (TARGET_VERSION): Override.
4075 (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
4077 2007-01-18 Julian Brown <julian@codesourcery.com>
4078 Richard Sandiford <richard@codesourcery.com>
4080 * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Make 64-bit on ColdFire.
4081 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
4082 * config/m68k/netbsd-elf.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Undefine
4084 * config/m68k/uclinux-oldabi.h (LONG_DOUBLE_TYPE_SIZE): Redefine to
4086 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
4088 2007-01-18 Richard Sandiford <richard@codesourcery.com>
4090 * doc/install.texi: Document m68k-uclinuxoldabi.
4091 * config.gcc (m68k-*-uclinuxoldabi): New configuration.
4092 * config/m68k/uclinux-oldabi.h: New file, copied from
4093 config/m68k/uclinux.h.
4095 2007-01-18 Kaz Kojima <kkojima@rr.iij4u.or.jp>
4097 * config/m32r/m32r-protos.h (m32r_expand_epilogue): Declare it.
4098 * config/m32r/m32r.c (m32r_setup_incoming_varargs): Use gen_frame_mem.
4099 (m32r_compute_frame_size): Use unsigned for regno.
4100 (m32r_reload_lr): Use gen_frame_mem.
4102 (m32r_output_function_epilogue): Don't output the function epilogue
4104 (m32r_expand_epilogue): New.
4105 (direct_return): Return false if the function has the interrupt
4107 (m32r_hard_regno_rename_ok): Remove code for the textual epilogue.
4108 * config/m32r/m32r.md (epilogue): New expander.
4109 (return_lr, return_rte): New insns.
4110 (return): Make it expander.
4111 (return_normal): New expander.
4113 2007-01-18 Josh Conner <jconner@apple.com>
4116 * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Add
4117 support for UNLE, UNLT, UNGE, and UNGT.
4119 2007-01-18 Jan Hubicka <jh@suse.cz>
4121 * tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand.
4122 * tree-tailcall (add_virtual_phis): Likewise.
4123 (optimize_tail_call): Return TODOs.
4124 (execute_tail_calls): Return TODOs.
4125 * tree-ssa-ccp (execute_fold_all_builtins): Do cleanup_cfg via TODO.
4126 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Return if something
4128 * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
4129 Cleanup cfg using TODO.
4130 * tree-flow.h (cleanup_tree_cfg_loop): Update prototype.
4131 * passes.c (execute_function_todo): When cleanup did something, remove
4133 * tree-cfg.c (pass_build_cfg): Add cleanup_cfg TODO.
4134 (make_edges): Don't cleanup_cfg.
4136 2007-01-18 Uros Bizjak <ubizjak@gmail.com>
4138 * reg-stack.c (subst_stack_regs_pat) [UNSPEC_SINCOS_COS,
4139 UNSPEC_XTRACT_FRACT]: Use generic code for instructions that
4140 operate on the top of stack.
4141 [UNSPEC_SINCOS_SIN, UNSPEC_XTRACT_EXP, UNSPEC_TAN]: Rewrite
4142 register handling of instructions that output to the second
4144 [UNSPEC_TAN_ONE, UNSPEC_TAN_TAN]: Remove.
4145 (move_for_stack_reg): Special-case check for dead destination
4146 stack slot for constant load of 1.0 inside UNSPEC_TAN.
4148 * config/i386/i386.md (UNSPEC_TAN): New constant.
4149 (UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): Remove.
4150 (fptanxf4_i387, fptan_extend<mode>xf4_i387): New patterns
4151 to correctly model move of constant 1.0 to top stack slot.
4152 (*tandf3_1, *tansf3_1, *tanxf3_1): Remove insn patterns.
4153 (unnamed peephole2 pattern): Remove corresponding peephole2
4154 pattern that optimizes tan insn and loading of constant 1.0.
4155 (tanxf2): Use fptanxf4_i387.
4156 (tan<mode>2): Rename from tansf2 and tandf2 and macroize insn
4157 patterns using X87MODEF12 mode macro. Use fptan_extend<mode>xf4_i387
4158 and truncate result to requested mode. Use SSE_FLOAT_MODE_P to
4159 disable patterns for SSE math.
4160 (sincos<mode>3): Use truncxf<mode>2_i387_noop for truncation.
4161 (fyl2x_extend<mode>xf3_i387): Use X87MODEF12 for operand 1.
4163 2007-01-18 Dirk Mueller <dmueller@suse.de>
4164 Richard Guenther <rguenther@suse.de>
4167 * doc/invoke.texi (Warray-bounds): Document -Warray-bounds.
4168 * common.opt (Warray-bounds): Add new warning option.
4169 * c-opts.c (c_common_handle_option): Define -Warray-bounds
4171 * Makefile.in: make tree-vrp.o depend on toplev.h
4172 * tree-vrp.c (vrp_finalize): Call check_array_refs if -Warray-bounds
4174 (check_array_refs, check_array_bounds, check_array_ref): New.
4176 2007-01-18 Jan Hubicka <jh@suse.cz>
4178 * tree-ssa-ccp.c (ccp_finalize): Return if something changed.
4179 (execute_ssa_ccp): Return flags conditionally.
4180 * tree-ssa-propagate.c (substitue_and_fold): Return if something was
4182 * tree-ssa-propagate.h (substitute_and_fold): Update prototype.
4184 2007-01-18 Steven Bosscher <steven@gcc.gnu.org>
4186 * cfgcleanup.c (cleanup_cfg): Detect cfglayout mode and set
4187 the CLEANUP_CFGLAYOUT flag when in cfglayout mode.
4189 * Makefile.c (GTFILES): Add cfglayout.h.
4190 * gengtype.c (open_base_files): Likewise.
4191 * cfglayout.c (cfg_layout_function_footer,
4192 cfg_layout_function_header) Reindent to make gengtype happy.
4193 * cfglayout.h (cfg_layout_function_footer,
4194 cfg_layout_function_header): Add GTY(()) marker.
4196 * ifcvt.c (noce_try_sign_mask): Make sure INSN_B is non-null.
4198 2007-01-18 Ben Elliston <bje@au.ibm.com>
4200 * genautomata.c (write_automata): Include xstrerror output in the
4201 error message if writing the DFA description file fails.
4203 2007-01-17 H.J. Lu <hongjiu.lu@intel.com>
4205 * config/mips/mips-protos.h (mips_output_external): Make it
4207 * config/mips/iris.h (TARGET_ASM_EXTERNAL_LIBCALL): Removed.
4208 * config/mips/mips.c (irix_output_external_libcall): Likewise.
4209 (extern_list): Likewise.
4210 (extern_head): Likewise.
4211 (TARGET_ASM_FILE_END): Likewise.
4212 (mips_file_end): Likewise.
4213 (mips_output_external): Rewritten.
4215 2007-01-18 Ben Elliston <bje@au.ibm.com>
4217 * genpreds.c (write_insn_preds_c): Only write out the function
4218 body for regclass_for_constraint if we have register constraints.
4220 2007-01-17 Tom Tromey <tromey@redhat.com>
4222 * doc/sourcebuild.texi (libgcj Tests): Use sourceware.org.
4223 * doc/install.texi (Testing): Use sourceware.org.
4224 (Binaries): Likewise.
4225 (Specific): Likewise.
4226 * doc/contrib.texi (Contributors): Use sourceware.org.
4228 2007-01-17 Anatoly Sokolov <aesok@post.ru>
4230 * config/avr/avr.h (AVR_HAVE_LPMX): New macro.
4231 (AVR_ENHANCED): Rename to ...
4232 (AVR_HAVE_MUL): ... new.
4233 (avr_enhanced_p): Rename to ...
4234 (avr_have_mul_p): ... new.
4235 (TARGET_CPU_CPP_BUILTINS): Use 'avr_have_mul_p' instead of
4236 'avr_enhanced_p' for "__AVR_ENHANCED__". Define "__AVR_HAVE_MUL__".
4237 * config/avr/avr.c (avr_enhanced_p): Rename to ...
4238 (avr_have_mul_p): ... new.
4239 (base_arch_s): Rename 'enhanced' to 'have_mul'.
4240 (avr_override_options): Use 'avr_have_mul_p' and 'have_mul' instead of
4241 'avr_enhanced_p' and 'enhanced'.
4242 (ashlhi3_out, ashrhi3_out, lshrhi3_out, avr_rtx_costs): Use
4243 AVR_HAVE_MUL instead of AVR_ENHANCED.
4244 * avr.md (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
4245 (mulqi3, *mulqi3_enh, *mulqi3_call, mulqihi3, umulqihi3, mulhi3,
4246 *mulhi3_enh, *mulhi3_call, mulsi3, *mulsi3_call): Use AVR_HAVE_MUL
4247 instead of AVR_ENHANCED.
4248 (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
4249 * libgcc.S: Use __AVR_HAVE_MUL__ instead of __AVR_ENHANCED__.
4250 (__tablejump__): Use __AVR_HAVE_LPMX__ instead of __AVR_ENHANCED__.
4252 2007-01-17 Ian Lance Taylor <iant@google.com>
4254 * vec.h (VEC_reserve_exact): Define.
4255 (vec_gc_p_reserve_exact): Declare.
4256 (vec_gc_o_reserve_exact): Declare.
4257 (vec_heap_p_reserve_exact): Declare.
4258 (vec_heap_o_reserve_exact): Declare.
4259 (VEC_OP (T,A,reserve_exact)): New static inline function, three
4261 (VEC_OP (T,A,reserve)) [all versions]: Remove handling of
4263 (VEC_OP (T,A,alloc)) [all versions]: Call ...reserve_exact.
4264 (VEC_OP (T,A,copy)) [all versions]: Likewise.
4265 (VEC_OP (T,a,safe_grow)) [all versions]: Likewise.
4266 * vec.c (calculate_allocation): Add exact parameter. Change all
4268 (vec_gc_o_reserve_1): New static function, from vec_gc_o_reserve.
4269 (vec_gc_p_reserve, vec_gc_o_reserve): Call vec_gc_o_reserve_1.
4270 (vec_gc_p_reserve_exact, vec_gc_o_reserve_exact): New functions.
4271 (vec_heap_o_reserve_1): New static function, from vec_heap_o_reserve.
4272 (vec_heap_p_reserve, vec_heap_o_reserve): Call vec_heap_o_reserve_1.
4273 (vec_heap_p_reserve_exact): New function.
4274 (vec_heap_o_reserve_exact): New function.
4276 2007-01-17 Jan Hubicka <jh@suse.cz>
4278 * ipa-type-escape.c (look_for_casts): Revamp using handled_component_p.
4280 2007-01-17 Eric Christopher <echristo@apple.com>
4282 * config.gcc: Support core2 processor.
4284 2007-01-16 Jan Hubicka <jh@suse.cz>
4286 * tree-ssanames.c (release_dead_ssa_names): Instead of ggc_freeing
4287 the names, just unlink the chain so we don't crash on dangling pointers
4290 2007-01-16 Jan Hubicka <jh@suse.cz>
4292 * cgraph.h (cgraph_decide_inlining_incrementally): Kill.
4293 * tree-pass.h: Reorder to make IPA passes appear toegher.
4294 (pass_early_inline, pass_inline_parameters, pass_apply_inline): Declare.
4295 * cgraphunit.c (cgraph_finalize_function): Do not compute inling
4296 parameters, do not call early inliner.
4297 * ipa-inline.c: Update comments. Include tree-flow.h
4298 (cgraph_decide_inlining): Do not compute inlining parameters.
4299 (cgraph_decide_inlining_incrementally): Return TODOs; assume to
4300 be called with function context set up.
4301 (pass_ipa_inline): Remove unreachable functions before pass.
4302 (cgraph_early_inlining): Simplify assuming to be called from the
4304 (pass_early_inline): New pass.
4305 (cgraph_gate_ipa_early_inlining): New gate.
4306 (pass_ipa_early_inline): Turn into simple wrapper.
4307 (compute_inline_parameters): New function.
4308 (gate_inline_passes): New gate.
4309 (pass_inline_parameters): New pass.
4310 (apply_inline): Move here from tree-optimize.c
4311 (pass_apply_inline): New pass.
4312 * ipa.c (cgraph_remove_unreachable_nodes): Verify cgraph after
4314 * tree-inline.c (optimize_inline_calls): Return TODOs rather than
4316 (tree_function_versioning): Do not allocate dummy struct function.
4317 * tree-inline.h (optimize_inline_calls): Update prototype.
4318 * tree-optimize.c (execute_fixup_cfg): Export.
4319 (pass_fixup_cfg): Remove
4320 (tree_rest_of_compilation): Do not apply inlines.
4321 * tree-flow.h (execute_fixup_cfg): Declare.
4322 * Makefile.in (gt-passes.c): New.
4323 * passes.c: Include gt-passes.h
4324 (init_optimization_passes): New passes.
4325 (nnodes, order): New static vars.
4326 (do_per_function_toporder): New function.
4327 (execute_one_pass): Dump current pass here.
4328 (execute_ipa_pass_list): Don't dump current pass here.
4330 2007-01-16 Janis Johnson <janis187@us.ibm.com>
4332 * config/dfp-bit.c (dfp_compare_op): Return separate value for NaN.
4333 (DFP_NE, DFP_LE, DFP_GE): Return false for NaN.
4335 2007-01-16 David Edelsohn <edelsohn@gnu.org>
4337 * config/rs6000/darwin-ldouble.c: Build file for SOFT_FLOAT.
4338 (strong_alias): Define.
4339 (__gcc_qmul): Provide non-FMA for soft-float.
4345 (__gcc_qunord): New.
4355 * config/rs6000/rs6000.c (rs6000_init_libfuncs): Initialize
4356 soft-float functions.
4357 * config/rs6000/libgcc-ppc-glibc.ver: Version soft-float symbols.
4358 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Do not warn
4359 about long double soft float.
4361 2007-01-16 Dorit Nuzman <dorit@il.ibm.com>
4362 Tehila Meyzels <tehila@il.ibm.com>
4364 * tree-vectorizer.h (is_pattern_stmt_p): New.
4365 * tree-vect-analyze.c (vect_determine_vectorization_factor): Fix
4366 formatting (tabs instead of spaces). Cleanup and clarify setting
4367 of STMT_VINFO_VECTYPE. Call is_pattern_stmt_p.
4368 * tree-vect-transform.c (vect_get_vec_def_for_operand): Fix typo.
4369 (vectorizable_type_demotion): Check that types are integral.
4370 (vectorizable_type_promotion): Likewise.
4371 (vectorizable_store): Fix typo. Eliminate new-line at end of
4374 2007-01-16 Jan Hubicka <jh@suse.cz>
4376 * tree-ssanames.c (release_dead_ssa_names): Remove invalidated
4379 2007-01-15 Eric Christopher <echristo@apple.com>
4381 * ifcvt.c: Include vec.h, vecprim.h.
4382 (check_cond_move_block): New argument regs.
4383 Reorganize. Add registers used to regs.
4384 (cond_move_process_if_block): Use regs set above as
4387 2007-01-15 Eric Christopher <echristo@apple.com>
4389 * config/darwin.h: Update copyright.
4390 (TARGET_OPTION_TRANSLATE_TABLE): Add umbrella.
4391 (LINK_COMMAND_SPEC): Add -u.
4392 (LINK_SPEC): Fix umbrella for above.
4394 2007-01-15 Joseph S. Myers <joseph@codesourcery.com>
4396 * config/soft-fp/op-common.h, config/soft-fp/op-4.h: Update from
4399 2007-01-15 Tom Tromey <tromey@redhat.com>
4401 * doc/sourcebuild.texi (libgcj Tests): Don't mention jacks.
4402 * doc/install.texi (Testing): Don't mention jacks.
4403 (Configuration): Document --enable-java-maintainer-mode. Move
4404 --with-java-home to libgcj-specific section. Document
4406 (Prerequisites): Mention --enable-java-maintainer-mode, ecj1.
4408 2007-01-15 Jan Hubicka <jh@suse.cz>
4410 * tree-ssa-dce.c (DCE_TODOs): New.
4411 (propagate_necessity): Return if something changed.
4412 (eliminate_unnecessary_stmts): Likewise.
4413 (perform_tree_ssa_dce): Return TODO flags when needed.
4414 (pass_dce, pass_dce_loop, pass_cd_dce): Remove TODO flags.
4416 2007-01-15 Uros Bizjak <ubizjak@gmail.com>
4418 * config/i386/i386.md (fyl2xxf3_i387): Rename from fyl2x_xf3.
4419 (fyl2x_extend<mode>xf3_i387): New insn pattern.
4420 (log<mode>2): Rename from logsf2 and logdf2 and macroize insn
4421 patterns using X87MODEF12 mode macro. Extend operand 1
4422 to XFmode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
4423 (log10<mode>2): Ditto.
4424 (log2<mode>2): Ditto.
4425 (log1p<mode>2): Ditto.
4426 (logb<mode>2): Ditto.
4427 (fyl2xp1xf3_i387): Rename from fyl2xp1_xf3.
4428 (fyl2xp1_extend<mode>xf3_i387): New insn pattern.
4429 (*fxtractxf3_i387): Rename from *fxtractxf3.
4430 (fxtract_extend<mode>xf3_i387): New insn pattern.
4431 (ilogbsi2): Use match_dup 3, not match_operand:XF 3.
4432 * config/i386/i386.c (ix86_emit_i387_log1p): Use gen_fyl2xp1xf3_i387()
4433 and gen_fyl2xxf3_i387().
4435 2007-01-14 Zdenek Dvorak <dvorakz@suse.cz>
4437 * loop-unswitch.c (unswitch_loop): Do not call fix_loop_placement.
4438 * cfgloopmanip.c (fix_loop_placement): Made static. Use
4439 get_loop_exit_edges. Changed return type to bool.
4440 * cfgloop.h (fix_loop_placement): Declaration removed.
4442 2007-01-14 Dorit Nuzman <dorit@il.ibm.com>
4444 * param.h (MIN_VECT_LOOP_BOUND): New.
4445 * params.def (MIN_VECT_LOOP_BOUND): New.
4446 * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another
4447 argument - minimum threshold for number of iterations.
4448 * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another
4449 argument to declaration.
4450 * tree-vect-analyze.c (vect_analyze_operations): Check value of
4451 MIN_VECT_LOOP_BOUND.
4452 * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call
4453 slpeel_tree_peel_loop_to_edge with additional argument.
4454 (vect_do_peeling_for_alignment): Likewise.
4455 * doc/invoke.texi (min-vect-loop-bound): Document new param option.
4457 2007-01-14 Uros Bizjak <ubizjak@gmail.com>
4460 * config/i386/i386.c (print_operand) ['z']: Output 'b' for
4463 2007-01-14 Jan Hubicka <jh@suse.cz>
4465 * tree-dfa.c (remove_referenced_var): New function.
4466 * tree-ssa-live.c (remove_unused_locals): Walk referenced vars and
4467 prune referenced vars list too.
4468 * tree-flow.h (remove_referenced_var): Declare.
4470 2007-01-14 Jan Hubicka <jh@suse.cz>
4472 * tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs
4474 (remove_stmt_from_eh_region_fn): Do not remove call_exprs.
4475 (verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill.
4476 * except.h (verify_eh_throw_table_statements): Kill prototype.
4477 * cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions
4478 into call exrepssions.
4479 * tree-optimize.c (execute_free_cfg_annotatiosn): Do not call
4481 * tree-cfg.c: Include pointer-set.h.
4482 (verify_node_sharing): Work on pointer set.
4483 (verify_eh_throw_stmt_node): New.
4484 (verify_stmts): Use pointers sets, verify throw_stmt.
4486 2007-01-13 Zdenek Dvorak <dvorakz@suse.cz>
4488 * ipa-reference.c (analyze_function): Consider also addresses taken
4491 2007-01-12 Roger Sayle <roger@eyesopen.com>
4493 * c-typeck.c (null_pointer_constant_p): Replace use of
4494 TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
4495 (build_c_cast): Likewise.
4497 2007-01-12 Roger Sayle <roger@eyesopen.com>
4499 * tree.h (force_fit_type_double): Remove unused final argument.
4500 * c-common.c (constant_expression_warning): Replace use of
4501 TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
4502 (convert_and_check): Likewise.
4503 (shorten_compare): Update call to force_fit_type_double.
4504 (c_common_truthvalue_conversion) <INTEGER_CST>: Use integer_zerop.
4505 * convert.c (convert_to_pointer): Update call to
4506 force_fit_type_double.
4507 * fold-const.c (force_fit_type_double): Remove overflowed_const
4509 (int_const_binop, fold_convert_const_int_from_int,
4510 fold_convert_const_int_from_real, fold_div_compare,
4511 fold_sign_changed_comparison, fold_unary, fold_negate_const,
4512 fold_abs_const, fold_not_const): Remove the final argument from
4513 calls to force_fit_type_double.
4515 2007-01-12 Andrew Pinski <andrew_pinski@playstation.sony.com>
4517 * configure.ac: Set insn to "nop" for spu-*-* also.
4518 * configure: Regenerate.
4520 2007-01-12 Olga Golovanevsky <olga@il.ibm.com>
4522 * builtins.def : Add BUILT_IN_FREE.
4524 2007-01-12 Jan Hubicka <jh@suse.cz>
4526 PR tree-optimization/30443
4527 * tree-inline.c (tree_function_versioning): Do not optimize when
4528 cloning for inlining.
4530 2007-01-12 Zdenek Dvorak <dvorakz@suse.cz>
4532 * doc/loop.texi: Document recording of loop exits.
4533 * cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop.
4534 (update_single_exits_after_duplication,
4535 update_single_exit_for_duplicated_loop,
4536 update_single_exit_for_duplicated_loops): Removed.
4537 (duplicate_loop_to_header_edge): Do not call
4538 update_single_exits_after_duplication and
4539 update_single_exit_for_duplicated_loops.
4540 (loop_version): Do not update single_exit information.
4541 (fix_loop_structure): Use record_loop_exits instead of
4542 mark_single_exit_loops.
4543 * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update
4544 the lists of loop exits.
4545 * cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force,
4546 split_edge, merge_blocks): Update the lists of loop exits.
4547 * modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to
4548 loop_optimizer_init.
4549 * loop-init.c (loop_optimizer_init): Call record_loop_exits instead
4550 of mark_single_exit_loops.
4551 (loop_optimizer_finalize): Call release_recorded_exits.
4552 * tree-ssa-loop.c (tree_loop_optimizer_init): Pass
4553 LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init.
4554 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not
4555 update single exit information.
4556 * lambda-code.c (perfect_nestify): Ditto.
4557 * cfgloop.c (flow_loop_free): Destroy the list of exits of the loop.
4558 (mark_single_exit_loops): Removed.
4559 (alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free,
4560 get_exit_descriptions, rescan_loop_exit, record_loop_exits,
4561 dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New
4563 (get_loop_exit_edges, single_exit): Use recorded exit lists.
4564 (add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits.
4565 (verify_loop_structure): Verify consistency of the exit lists.
4566 (flow_loops_find): Use alloc_loop. Initialize exits hash.
4567 (set_single_exit): Removed.
4568 * cfgloop.h (struct loop_exit): New function.
4569 (struct loop): single_exit_ field replaced by exits field.
4570 (LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by LOOPS_HAVE_RECORDED_EXITS.
4571 (struct loops): Added exits hash.
4572 (mark_single_exit_loops, set_single_exit): Declaration removed.
4573 (release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare.
4575 2007-01-12 Richard Sandiford <richard@codesourcery.com>
4577 * doc/invoke.texi: Avoid use of @headitem.
4579 2007-01-12 Richard Sandiford <richard@codesourcery.com>
4581 * cse.c (cse_insn): Move HAVE_CC0 code after declarations.
4583 2007-01-12 Richard Sandiford <richard@codesourcery.com>
4585 * doc/install.texi: Fix m68k-*-* anchor and add m68k-*-* to the
4588 2007-01-12 Nathan Sidwell <nathan@codesourcery.com>
4589 Richard Sandiford <richard@codesourcery.com>
4591 * doc/invoke.texi: Document -mno-bitfield, -mno-rtd and -mno-short.
4592 * config/m68k/m68k.opt: Resort options.
4593 (mbitfield, mrtd, mshort): Remove RejectNegative properties.
4595 2007-01-12 Nathan Sidwell <nathan@codesourcery.com>
4596 Richard Sandiford <richard@codesourcery.com>
4598 * doc/invoke.texi: Document the macros that are defined by
4599 m68k's -mtune and -mhard-float options.
4600 * config/m68k/m68k-protos.h (m68k_cpp_cpu_ident) Declare.
4601 (m68k_cpp_cpu_family): Likewise.
4602 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Add a full set
4603 of __ucfv*__ macros. Define __mcffpu__ if generating code for
4604 ColdFire FPUs. Define __mcf_cpu_* and __mcf_family_* macros.
4605 * config/m68k/m68k.c (m68k_cpp_cpu_ident): New function.
4606 (m68k_cpp_cpu_family): Likewise.
4608 2007-01-12 Richard Sandiford <richard@codesourcery.com>
4610 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Treat all mc68*
4611 macros besides mc68000 as tuning macros. Use a switch statement
4612 to set them and mcpu32.
4614 2007-01-12 Julian Brown <julian@codesourcery.com>
4616 * config/m68k/m68k.h: Use TARGET_68040 instead of TARGET_68040_ONLY.
4617 (TARGET_68040_ONLY): Rename to...
4618 (TARGET_68040): ...this.
4619 * config/m68k/m68k.c: Use TARGET_68040 instead of TARGET_68040_ONLY.
4620 * config/m68k/m68k.md: Likewise.
4622 2007-01-12 Julian Brown <julian@codesourcery.com>
4623 Nathan Sidwell <nathan@codesourcery.com>
4624 Richard Sandiford <richard@codesourcery.com>
4626 * config.gcc (m680[012]0-*-*, m68k*-*-*): Set m68k_cpu_ident to
4627 the -mcpu= argument associated with the --with-cpu setting.
4628 Define M68K_DEFAULT_TUNE to the default -mtune= option,
4629 if different from the one implied by the -mcpu setting.
4630 Accept --with-cpu=FOO if FOO is listed in m68k-devices.def,
4631 using mcpu=FOO as the default CPU option. Set target_cpu_default2.
4632 * doc/invoke.texi: Mention ColdFire in the introduction to the
4633 m68k options. Document the new -march, -mcpu, -mtune, -mdiv,
4634 -mno-div and -mhard-float options. Make -m68881 a synonym for
4635 -mhard-float. Document the previously-undocumented -m5206e,
4636 -m528x, -m5307 and -m5407 options. Tweak the existing option
4637 documentation for consistency.
4638 * doc/install.texi: Mention new --with-cpu arguments.
4639 * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Only use the
4640 default CPU if neither -mcpu nor -march are specified.
4641 (ASM_CPU_SPEC): Pass down -mcpu and -march options.
4642 (TARGET_CPU_CPP_BUILTINS): Set __mcfisa*__ macros from
4643 TARGET_ISA*. Set the legacy __mcf*__ cpu macros in the same way,
4644 using m68k_tune to decide between families that implement the
4645 same ISA. Use m68k_tune to set __mcfv4e__.
4646 (FL_BITFIELD, FL_68881, FL_COLDFIRE, FL_CF_HWDIV, FL_CF_MAC)
4647 (FL_CF_EMAC, FL_CF_EMAC_B, FL_CF_USP, FL_CF_FPU, FL_ISA_68000)
4648 (FL_ISA_68010, FL_ISA_68020, FL_ISA_68040, FL_ISA_A, FL_ISA_B)
4649 (FL_ISA_C, FL_ISA_MMU): New macros.
4650 (MASK_COLDFIRE): Delete.
4651 (TARGET_68010, TARGET_68020, TARGET_68040_ONLY, TARGET_COLDFIRE)
4652 (TARGET_ISAB): Redefine in terms of m68k_cpu_flags.
4653 (TARGET_68881, TARGET_COLDFIRE_FPU): Redefine in terms of m68k_fpu.
4654 (TARGET_HARD_FLOAT): Do not define here.
4655 (TARGET_ISAAPLUS, TARGET_ISAC): New macros.
4656 (TUNE_68000): New macro.
4657 (TUNE_68000_10): Redefine in terms of TUNE_68000 and TUNE_68010.
4658 (TUNE_68010, TUNE_68030, TUNE_68040, TUNE_68060, TUNE_CPU32)
4659 (TUNE_CFV2): Redefine in terms of m68k_tune.
4660 (uarch_type, target_device, fpu_type): New enums.
4661 (m68k_cpu, m68k_tune, m68k_fpu, m68k_cpu_flags): Declare.
4662 * config/m68k/m68k.c (TARGET_DEFAULT): Remove MASK_68881.
4663 (FL_FOR_isa_00, FL_FOR_isa_10, FL_FOR_isa_20, FL_FOR_isa_40)
4664 (FL_FOR_isa_cpu32, FL_FOR_isa_a, FL_FOR_isa_aplus, FL_FOR_isa_b)
4665 (FL_FOR_isa_c): New macros.
4666 (m68k_isa): New enum.
4667 (m68k_target_selection): New structure.
4668 (all_devices, all_isas, all_microarchs): New tables.
4669 (m68k_cpu_entry, m68k_arch_entry, m68k_tune_entry, m68k_cpu)
4670 (m68k_tune, m68k_fpu, m68k_cpu_flags): New variables.
4671 (MASK_ALL_CPU_BITS): Delete.
4672 (m68k_find_selection): New function.
4673 (m68k_handle_option): Handle -mcpu=, -march= and -mtune=.
4674 Map the legacy target options to a combination of the new ones.
4675 (override_options): Set m68k_cpu, m68k_tune, m68k_fpu and
4676 m68k_cpu_flags. Handle M68K_DEFAULT_TUNE. Use m68k_cpu_flags
4677 to derive default MASK_BITFIELD, MASK_CF_HWDIV and MASK_HARD_FLOAT
4679 * config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407, mcfv4e)
4680 (m68010, m68020, m68020-40, m68020-60, m68030, m68040): Remove Mask
4682 (m68881, msoft-float): Change mask from 68881 to HARD_FLOAT.
4683 (march=, mcpu=, mdiv, mhard-float, mtune=): New options.
4684 * config/m68k/m68k-devices.def: New file.
4686 2007-01-12 Richard Sandiford <richard@codesourcery.com>
4687 Nathan Sidwell <nathan@codesourcery.com>
4689 * config/m68k/m68k.h (ASM_CPU_SPEC, ASM_SPEC, EXTRA_SPECS)
4690 (SUBTARGET_EXTRA_SPECS): New macros.
4691 * config/m68k/linux.h (ASM_SPEC): Remove CPU flags;
4692 use %(asm_cpu_spec) instead.
4693 * config/m68k/m68k-none.h (ASM_SPEC): Likewise.
4694 * config/m68k/openbsd.h (ASM_SPEC): Likewise.
4695 * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
4696 (EXTRA_SPECS): Rename to...
4697 (SUBTARGET_EXTRA_SPECS): ...this.
4699 2007-01-12 Nathan Sidwell <nathan@codesourcery.com>
4700 Richard Sandiford <richard@codesourcery.com>
4701 Julian Brown <julian@codesourcery.com>
4703 * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
4704 (m68k-*-uclinux*, m68k-*-linux*, m68k-*-rtems*): Set default_m68k_cpu
4705 to the configuration's default CPU.
4706 (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*): Likewise.
4707 Remove default masks.
4708 (m680[012]0-*-*): Set the default with_cpu to the first part of
4710 (m68k*-*-*): Set the default with_cpu to m$default_m68k_cpu.
4711 (m68k*-*-linux): Extend the --with-cpu handling to...
4712 (m680[012]0-*-*, m68k*-*-*): ...these configurations. Allow m68000
4713 and m68010. Don't set target_cpu_default2.
4714 * doc/install.texi: Document --with-cpu for m68k.
4715 * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Define.
4716 * config/m68k/m68k-none.h (TARGET_CPU_DEFAULT, M68K_CPU_m68k)
4717 (M68K_CPU_m68000, M68K_CPU_m68010, M68K_CPU_m68020, M68K_CPU_m68030)
4718 (M68K_CPU_m68040, M68K_CPU_m68302, M68K_CPU_m68332, TARGET_DEFAULT)
4719 (ASM_CPU_DEFAULT_SPEC, CC1_CPU_DEFAULT_SPEC): Delete.
4720 (ASM_SPEC): Remove use of %(asm_cpu_default).
4721 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS, MULTILIB_DEFAULTS): Delete.
4722 * config/m68k/linux.h (TARGET_DEFAULT): Delete.
4723 (CPP_SPEC): Merge definitions. Do not handle __HAVE_68881__ here.
4724 * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define
4725 __HAVE_FPU__ if TARGET_HARD_FLOAT.
4726 (TARGET_DEFAULT): Delete.
4727 (EXTRA_SPECS): Delete cpp_cpu_default_spec, cpp_cpu_spec,
4728 cpp_fpu_spec, asm_default_spec and netbsd_cpp_spec.
4729 (CPP_CPU_SPEC): Delete.
4730 (TARGET_VERSION): Merge definitions, using TARGET_68010 to pick
4731 the appropriate string.
4732 (CPP_CPU_DEFAULT_SPEC, ASM_DEFAULT_SPEC, CPP_FPU_SPEC): Delete.
4733 (CPP_SPEC): Define to NETBSD_CPP_SPEC.
4734 (ASM_SPEC): Don't use %(asm_default_spec).
4735 * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
4736 TARGET_DEFAULT and add MASK_68881.
4737 * config/m68k/m68k.md: Remove mention of TARGET_DEFAULT from comments.
4739 2007-01-12 Richard Sandiford <richard@codesourcery.com>
4741 * config.gcc (m68010-*-netbsdelf*): Add MASK_68010.
4742 (m68k*-*-netbsdelf*, m68k*-*-openbsd*, m68k*-linux*): Add
4743 MASK_68010 alongside MASK_68020.
4744 * doc/invoke.texi: Document -m68010.
4745 * config/m68k/m68k.opt (m68010): New.
4746 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define mc68010
4748 (TUNE_68010): New macro.
4749 * config/m68k/m68k-none.h (M68K_CPU_m68k, M68K_CPU_m68010)
4750 (M68K_CPU_m68020, M68K_CPU_m68030, M68K_CPU_m68040)
4751 (M68K_CPU_m68332): Add MASK_68010.
4752 * config/m68k/linux.h (TARGET_DEFAULT): Add MASK_68010 to
4753 fallback definition.
4754 * config/m68k/netbsd-elf.h (CPP_CPU_SPEC): Remove now-redundant
4756 * config/m68k/m68k.c (MASK_ALL_CPU_BITS): Add MASK_68010.
4757 (m68k_handle_option): Handle OPT_m68010. Add MASK_68010
4758 to all entries that use MASK_68020.
4759 (output_move_simode_const, output_move_himode, output_move_qimode)
4760 (output_move_stricthi, output_move_strictqi): Use TARGET_68010
4761 instead of TARGET_68020 to select clr behavior. Remove comment
4762 about there being no TARGET_68010.
4763 * config/m68k/m68k.md: Likewise throughout.
4765 2007-01-12 Julian Brown <julian@codesourcery.com>
4767 * config/m68k/m68k.h (TARGET_ISAB): New macro.
4768 * config/m68k/m68k.c: Use TARGET_ISAB rather than TARGET_CFV4.
4769 * config/m68k/m68k.md: Likewise.
4771 2007-01-12 Julian Brown <julian@codesourcery.com>
4773 * config/m68k/m68k.h (LEGITIMATE_INDEX_P, LEGITIMIZE_ADDRESS): Use
4774 TARGET_COLDFIRE_FPU instead of TARGET_CFV4E.
4776 2007-01-12 Julian Brown <julian@codesourcery.com>
4778 * config/m68k/m68k.h (TUNE_68040_60): New macro.
4779 * config/m68k/m68k.c (standard_68881_constant_p): Use it.
4780 * config/m68k/m68k.md: Likewise.
4782 2007-01-12 Julian Brown <julian@codesourcery.com>
4783 Richard Sandiford <richard@codesourcery.com>
4785 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030
4786 instead of TARGET_68030, TUNE_68040 instead of TARGET_68040,
4787 TUNE_68060 instead of TARGET_68060 and TUNE_CPU32 instead of
4789 (TARGET_CPU32): Rename to...
4790 (TUNE_CPU32): ...this.
4791 (TUNE_68000_10, TUNE_68030, TUNE_68040, TUNE_68060)
4792 (TUNE_CFV2): New macros.
4793 * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Simplify;
4794 remove conditions that are implied by TARGET_68020.
4795 * config/m68k/m68k.c (m68k_output_function_prologue): Use TUNE_68040
4796 instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32.
4797 (m68k_output_function_epilogue): Likewise.
4798 (m68k_rtx_costs): Likewise. Use TUNE_68060 instead of TARGET_68060
4799 and TUNE_CFV2 instead of TARGET_5200. Use TUNE_68000_10 instead of
4800 "!TARGET_68020 && !TARGET_COLDFIRE" to choose between 68000 and
4801 non-68000 timings. Refactor multiplication and division costs.
4802 (output_addsi3): Use TUNE_68040 instead of TARGET_68040 and
4803 TUNE_CPU32 instead of TARGET_CPU32.
4804 (standard_68881_constant_p): Use TUNE_68040 instead of TARGET_68040
4805 and TUNE_68060 instead of TARGET_68060.
4806 * config/m68k/m68k.md: Use TUNE_68040 instead of TARGET_68040,
4807 TUNE_68060 instead of TARGET_68060, and TUNE_CPU32 instead of
4809 (movsi_const0): Use TUNE_68000_10 rather than "!TARGET_68020
4810 && !TARGET_COLDFIRE" to choose between moveq and clr.
4811 Likewise in the unnamed movsf pattern.
4812 (ashlsi_17_24, lshrsi_17_24): Guard with TUNE_68000_10 rather than
4813 "!TARGET_68020 && !TARGET_COLDFIRE". Likewise the unnamed
4816 2007-01-12 Richard Sandiford <richard@codesourcery.com>
4818 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount
4819 of tabbing before backslashes.
4821 2007-01-11 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4823 * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
4824 * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
4825 (ASM_OUTPUT_INTERNAL_LABEL): Define.
4827 2007-01-11 Zdenek Dvorak <dvorakz@suse.cz>
4829 * tree-ssa-loop-ivopts.c (extract_cond_operands): Split from
4830 find_interesting_uses_cond.
4831 (find_interesting_uses_cond): Use extract_cond_operands.
4832 (rewrite_use_compare): Use extract_cond_operands and
4833 force_gimple_operand_bsi. Do not call update_stmt.
4834 (determine_use_iv_cost_condition): Use extract_cond_operands.
4835 Return cheaper of using original bound and changing the exit bound.
4837 2007-01-11 Zdenek Dvorak <dvorakz@suse.cz>
4839 PR tree-optimization/29516
4840 * tree-ssa-address.c (tree_mem_ref_addr, add_to_parts,
4841 most_expensive_mult_to_index, addr_to_parts,
4842 create_mem_ref, maybe_fold_tmr): Make the type of
4843 fields of TARGET_MEM_REF sizetype.
4844 (move_fixed_address_to_symbol, move_pointer_to_base):
4846 * tree.def (TARGET_MEM_REF): Add comment on types of
4849 2007-01-11 Joseph Myers <joseph@codesourcery.com>
4851 * c-common.c (vector_types_convertible_p): Treat opaque types as
4852 always convertible if they have the same size, but not otherwise.
4854 2007-01-11 Steven Bosscher <steven@gcc.gnu.org>
4856 * ifcvt.c (struct noce_if_info): Add comments to the fields.
4857 Remove the b_unconditional field.
4858 (noce_try_sign_mask): Do not look at b_unconditional.
4859 (noce_process_if_block): Do not use merge_if_blocks. Update
4860 the CFG here. Do not set b_unconditional.
4861 (cond_move_process_if_block): Likewise.
4862 (find_cond_trap): Likewise.
4863 (check_cond_move_block): Require simple jump insns at the end
4866 2007-01-11 Jan Hubicka <jh@suse.cz>
4868 PR tree-optimization/1046
4869 * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE
4870 when alias info is not ready.
4871 (pass_tail_recursion): Do not require aliasing.
4872 * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise.
4873 * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise.
4874 * tree-ssa-copy.c (pass_copy_prop): Likewise.
4875 * tree-ssa-forwprop.c (pass_forwprop): Likewise.
4876 * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise.
4877 * passes.c (init_optimization_passes): Execute rename_ssa_copies,
4878 ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion
4880 * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand):
4881 When aliasing is not build, mark statement as volatile.
4883 2007-01-11 Tom Tromey <tromey@redhat.com>
4885 PR preprocessor/15185, PR preprocessor/20989:
4886 * doc/cppopts.texi <-MT>: Update description of algorithm for
4887 computing default target.
4888 <-M, -MD>: Reword "basename" text.
4890 2007-01-11 Roger Sayle <roger@eyesopen.com>
4892 * builtins.c (expand_builtin_pow, expand_builtin_powi,
4893 fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc,
4894 fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
4895 fold_builtin_int_int_roundingfn, fold_builtin_bitop,
4896 fold_builtin_bswap, real_constp, fold_builtin_pow,
4897 fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign,
4898 do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace
4899 uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
4900 * convert.c (convert_to_pointer): Likewise.
4901 * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
4902 * fold-const.c (force_fit_type, fold_negate_expr, int_const_binop,
4903 const_binop, fold_convert_const_int_from_int,
4904 fold_convert_const_int_from_real,
4905 fold_convert_const_real_from_real, sign_bit_p,
4906 optimize_minmax_comparison, extract_muldiv_1, fold_div_compare,
4907 fold_sign_changed_comparison, fold_unary, fold_comparison,
4908 fold_binary, multiple_of_p, tree_Expr_non_zero_p,
4909 fold_negate_const, fold_abs_const, fold_not_const): Likewise.
4910 * print-tree.c (print_node_brief, print_node): Likewise.
4911 * stor-layout.c (place_field, layout_type): Likewise.
4912 * tree-chrec.c (keep_cast): Likewise.
4913 * tree.c (build_vector, build_real, build_real_from_int_cst,
4914 build_complex): Likewise.
4916 2007-01-11 Roger Sayle <roger@eyesopen.com>
4918 * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete. For the time being,
4919 treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW.
4921 2007-01-11 Paolo Bonzini <bonzini@gnu.org>
4923 * configure.ac (strict1_warn): Rename to strict_warn.
4924 (WERROR, --enable-werror, symlink hacks, stage1_cflags,
4925 cc_set_by_configure, quoted_cc_set_by_configure,
4926 stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
4927 all_boot_languages, all_stagestuff): Remove.
4928 (target_list): Remove bootstrap targets.
4929 * Makefile.in (quickstrap): Unconditionally make a synonym of all.
4930 (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
4931 REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
4932 SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
4933 VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
4934 STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
4935 stage1_copy, stage2_build, stage2_copy, stageprofile_build,
4936 stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
4937 stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
4938 bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
4939 bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
4940 unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
4941 restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
4942 cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
4943 *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
4944 stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
4945 stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
4946 risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
4947 (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
4948 (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
4949 (mostlyclean): Adjust.
4950 (clean, distclean): Don't mention bootstrap stuff.
4951 * configure: Regenerate.
4952 * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
4953 java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
4954 treelang/config-lang.in (stagestuff): Remove.
4955 * doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
4956 stageprofile, stagefeedback, stagestuff): Remove mention.
4958 2007-01-11 Nick Clifton <nickc@redhat.com>
4960 * config/mcore/predicates.md (mcore_general_movesrc_operand):
4962 (mcore_general_movdst_operand): Do not accept CONST_INTs.
4963 (mcore_arith_K_S_operand): Run the test for the S constraint not
4964 the test for the M constraint.
4965 (mcore_addsub_operand): Do not accept integer values that are
4966 larger than 32 bits.
4967 * config/mcore/mcore.md: Remove unused constraints from split.
4968 (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
4970 (allocate_stack): Likewise.
4971 * config/mcore/mcore.c (mcore_print_operand): Restrict output of P
4972 operands to 32 bits.
4973 (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an
4975 (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
4976 mcore_const_ok_for_inline, mcore_const_trick_uses_not,
4977 try_constant_tricks, mcore_num_ones, mcore_num_zeros,
4978 mcore_output_bclri, mcore_output_andn, output_inline_const,
4979 mcore_output_move, mcore_output_movedouble): Likewise.
4980 (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
4981 (output_inline_const): Likewise.
4982 (output_inline_const): Fix format strings used in sprintf
4984 * config/mcore/mcore-protos.h: Update prototypes for changed
4985 functions in mcore.c.
4986 * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to
4987 HOST_WIDE_INT and not int.
4988 (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
4989 CONST_OK_FOR_N): Likewise.
4990 (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
4991 (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold
4994 2007-01-10 Jan Hubicka <jh@suse.cz>
4996 * tree-vrp.c (remove_range_assertions): Release defs.
4997 * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
4998 * tree-ssa-dom.c (remove_stmt_or_phi): Likewise.
5000 2007-01-10 Paul Brook <paul@codesourcery.com>
5002 * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
5003 * config/arm/arm.md (mulsi3subsi): New insn.
5005 2007-01-10 Zdenek Dvorak <dvorakz@suse.cz>
5007 * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
5008 (tree_transform_and_unroll_loop): New.
5009 * tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
5012 2007-01-10 Robert Kennedy <jimbob@google.com>
5014 * fold-const.c (fold_comparison): Fold comparisons like (x *
5015 1000 < 0) to (x < 0).
5017 2007-01-10 Ian Lance Taylor <iant@google.com>
5019 * tree-pretty-print.c (dump_generic_node): Print parentheses when
5020 operands have the same priority.
5022 2007-01-10 Tom Tromey <tromey@redhat.com>
5024 * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
5025 (fold_binary): Likewise.
5026 * langhooks.c (lhd_can_use_bit_fields_p): Removed.
5027 * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
5028 (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
5029 (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
5030 * langhooks.h (struct lang_hooks): Removed field
5031 'can_use_bit_fields_p'.
5033 2007-01-10 Ralf Corsépius <ralf.corsepius@rtems.org>
5035 * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
5037 2007-01-10 Razya Ladelsky <razya@il.ibm.com>
5039 * function.c (get_last_funcdef_no): New function.
5040 * function.h (get_last_funcdef_no): Declare.
5041 * tree-inline.c (initialize_cfun): Add initialization.
5042 (tree_function_versioning): Cleanup.
5044 2007-01-10 Jan Hubicka <jh@suse.cz>
5046 * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
5049 2007-01-10 Sa Liu <saliu@de.ibm.com>
5050 Ben Elliston <bje@au.ibm.com>
5052 * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
5053 for SAVE_NONLOCAL and Pmode for any other save level.
5054 * spu-protos.h (spu_restore_stack_block): Declare.
5055 * spu.md (save_stack_block): Remove.
5056 (restore_stack_block): Call spu_restore_stack_block.
5057 * spu.c (spu_restore_stack_block): New function.
5058 (spu_expand_epilogue): Remove old comment.
5060 2007-01-09 Zdenek Dvorak <dvorakz@suse.cz>
5062 PR tree-optimization/30322
5063 * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
5064 (cand_value_at): Return the value as aff_tree.
5065 (may_eliminate_iv): Convert the bound from aff_tree to tree.
5066 * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
5067 aff_combination_mult): New functions.
5068 (aff_combination_add): Use aff_combination_add_cst.
5069 (aff_combination_convert): Allow conversions to a wider type.
5070 (tree_to_aff_combination): Handle BIT_NOT_EXPR.
5071 * tree-affine.h (aff_combination_mult): Declare.
5073 2007-01-09 Carlos O'Donell <carlos@codesourcery.com>
5075 * doc/tm.texi: Update documentation to reflect reality of exec
5076 and start file search behaviours. Update copyright year.
5077 * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
5078 header file directories.
5080 2007-01-09 Uros Bizjak <ubizjak@gmail.com>
5082 * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
5083 (*cosxf2): Rename to cosxf2_i387.
5084 (*sindf2, *sinsf2): Extend operand 1 to XFmode. Macroize patterns
5085 using X87MODEF12 mode macro. Rename patterns to
5086 *sin_extend<mode>xf2_i387. Use SSE_FLOAT_MODE_P to disable patterns
5088 (*cosdf2, *cossf2): Ditto.
5089 (sincosdf3, sincossf3): Ditto. Rewrite corresponding splitters
5090 to match extended input operands.
5091 (sincos<mode>3): New expander.
5092 (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
5093 insn patterns and corresponding splitters.
5095 2007-01-09 Kaz Kojima <kkojima@gcc.gnu.org>
5097 * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
5098 (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
5100 2007-01-09 Nicolas Pitre <nico@cam.org>
5103 * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
5105 2007-01-08 Geoffrey Keating <geoffk@apple.com>
5107 * target.h (struct gcc_target): New field library_rtti_comdat.
5108 * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
5109 (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
5110 * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
5111 * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
5113 2007-01-08 Geoffrey Keating <geoffk@apple.com>
5115 * doc/invoke.texi (Optimize Options): Correct description of -O0.
5117 2007-01-08 Richard Guenther <rguenther@suse.de>
5119 * tree.h (force_fit_type_double): Export.
5120 (force_fit_type): Remove.
5121 * fold-const.c (force_fit_type_double): New function.
5122 (force_fit_type): Remove.
5123 (int_const_binop): Use it.
5124 (fold_convert_const_int_from_int): Likewise.
5125 (fold_convert_const_int_from_real): Likewise.
5126 (fold_div_compare): Likewise.
5127 (fold_sign_changed_comparison): Likewise.
5128 (fold_unary): Likewise.
5129 (fold_negate_const): Likewise.
5130 (fold_abs_const): Likewise.
5131 (fold_not_const): Likewise.
5132 * c-common.c (shorten_compare): Use force_fit_type_double.
5133 * convert.c (convert_to_pointer): Likewise.
5135 2007-01-08 Richard Guenther <rguenther@suse.de>
5137 * tree.h (build_int_cst_wide_type): Export.
5138 * tree.c (build_int_cst_wide_type): New function.
5139 (build_int_cst_wide): Fix comment.
5140 * builtins.c (fold_builtin_object_size): Use build_int_cst
5141 to build -1 or 0 of the correct type. Use fit_double_type
5142 to check for overflow.
5143 * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
5145 (decode_field_reference): Likewise.
5146 (all_ones_mask_p): Likewise.
5147 (native_interpret_int): Use build_int_cst_wide_type.
5148 (fold_binary): Use build_int_cst_type to build an all-ones
5150 * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
5152 2007-01-08 Daniel Jacobowitz <dan@codesourcery.com>
5154 * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
5156 2007-01-09 Ben Elliston <bje@au.ibm.com>
5158 * genautomata.c (STATS_OPTION): New option.
5159 (stats_flag): New flag.
5160 (gen_automata_option): Handle it.
5161 (initiate_automaton_gen): Ditto.
5162 (write_automata): Output statistics only if stats_flag is
5163 set. Likewise, output time statistics only if time_flag is set.
5164 * doc/md.texi (Processor pipeline description): Document new flag.
5166 2007-01-08 Richard Guenther <rguenther@suse.de>
5168 * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
5169 * tree.c (build_int_cst_type): Likewise.
5170 (size_in_bytes): Don't call force_fit_type on the result.
5171 (int_fits_type_p): Use fit_double_type.
5172 * fold-const.c (fit_double_type): New function.
5173 (force_fit_type): Use it.
5174 * tree.h (fit_double_type): Export.
5176 2007-01-08 Jan Hubicka <jh@suse.cz>
5178 * tree-vectorizer.c (gate_increase_alignment): Fix return type.
5179 * ipa.c (function_and_variable_visibility): Fix return type.
5181 2007-01-08 Richard Guenther <rguenther@suse.de>
5183 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
5184 of offset to build the index.
5185 * tree-pretty-print.c (dump_generic_node): Don't build negated
5186 const just for printing.
5187 * c-pretty-print.c (pp_c_integer_constant): Likewise.
5188 * builtins.c (fold_builtin_int_roundingfn): Check if result
5189 fits the type by using force_fit_type and comparing the result.
5190 * predict.c (predict_loops): Use compare_tree_int for comparison.
5191 * tree.c (build_int_cst): Fall back to integer_type_node for
5193 (build_int_cst_wide): Assert type is non-null.
5195 2007-01-08 Roberto Costa <roberto.costa@st.com>
5197 * tree-vrp.c (extract_range_from_cond_expr): New.
5198 (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
5199 * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
5201 (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
5202 * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
5203 tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
5204 used as expressions.
5205 * tree-object-size.c (cond_expr_object_size): New.
5206 (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
5208 2007-01-08 Jan Hubicka <jh@suse.cz>
5210 * tree-ssa-forwprop.c (forward_propagate_into_cond,
5211 tree_ssa_forward_propagate_single_use_va): Release defs of propagated
5214 2007-01-08 Richard Guenther <rguenther@suse.de>
5216 PR tree-optimization/23603
5217 * tree-vrp.c (set_value_range_to_truthvalue): New function.
5218 (extract_range_from_binary): Fall back to truthvalue instead of
5219 varying for TRUTH_*_EXPR.
5220 (extract_range_from_comparison): Fall back to truthvalue instead of
5222 (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
5223 if all visited PHI values were constant.
5225 2007-01-08 Jan Hubicka <jh@suse.cz>
5227 * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
5228 (cgraph_analyze_function): break out from ...
5229 (cgraph_finalize_compilation_unit): ... here.
5230 (cgraph_expand_function): Remove forgoten commented out line.
5231 (cgraph_optimize): Analyze functions.
5233 2007-01-08 Jan Hubicka <jh@suse.cz>
5235 * tree-pas.h (TODO_remove_function): New flag.
5236 (TODO_update*): Renumber.
5237 (pass_ipa_increase_alignment,
5238 pass_ipa_function_and_variable_visibility): New passes.
5239 * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
5240 (cgraph_function_and_variable_visibility): Move to ipa.c
5241 (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
5242 cgraph_increase_alignment.
5243 * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
5244 (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
5245 calling tree-inline.
5246 (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
5247 (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
5248 * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
5249 (gate_increase_alignment): New function.
5250 (pass_ipa_increase_alignment): New pass.
5251 * ipa.c: Inline tree-pass.h and timevar.h
5252 (function_and_variable_visibility): Move here from cgraphunit.c
5253 * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
5254 * passes.c (init_optimization_passes): Add the two new passes.
5255 (execute_todo): Handle cgraph_remove_functions.
5257 2007-01-08 Nick Clifton <nickc@redhat.com>
5259 * config/frv/predicates.md (reg_or_0_operand): Accept
5262 2007-01-08 Ralf Corsépius <ralf.corsepius@rtems.org>
5264 * config/bfin/rtems.h, config/bfin/t-rtems: New.
5265 * config.gcc: Add bfin*-rtems*.
5267 2007-01-08 Mark Shinwell <shinwell@codesourcery.com>
5269 * c.opt: Add -flax-vector-conversions.
5270 * c-typeck.c (convert_for_assignment): Pass flag to
5271 vector_types_convertible_p to allow emission of note.
5272 (digest_init): Likewise.
5273 * c-opts.c: Handle -flax-vector-conversions.
5274 * c-common.c (flag_lax_vector_conversions): New.
5275 (vector_types_convertible_p): Unless -flax-vector conversions
5276 has been passed, disallow conversions between vectors with
5277 differing numbers of subparts and/or element types. If such
5278 a conversion is disallowed, possibly emit a note on the first
5279 occasion only to inform the user of -flax-vector-conversions.
5280 The new last argument specifies this.
5281 * c-common.h (flag_lax_vector_conversions): New.
5282 (vector_types_convertible_p): Add extra argument.
5283 * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
5284 char_type_node for V*QI type vectors.
5285 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
5286 Update to satisfy new typechecking rules.
5287 * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
5289 * doc/invoke.texi (C Dialect Options): Document
5290 -flax-vector-conversions.
5292 2007-01-08 Mark Shinwell <shinwell@codesourcery.com>
5294 PR tree-optimization/29877
5295 * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
5296 a register variable on the RHS to not be replaceable.
5298 2007-01-08 Chen Liqin <liqin@sunnorth.com.cn>
5299 * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
5300 * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
5301 const_simm15, const_pow2, const_npow2): Added.
5302 * config/score/misc.md (insv, extv, extzv, movmemsi,
5303 move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
5304 * config/score/score.c (score_address_cost, score_select_cc_mode):
5306 Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
5307 Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
5308 Update score_print_operand.
5309 * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
5310 Adjust register allocate order and update some macro define.
5311 * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
5312 mdx_block_move_straight, mdx_block_move_loop_head,
5313 mdx_block_move_loop_body, mdx_block_move_loop_foot, mdx_block_move_loop,
5314 mdx_block_move): Added.
5315 (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
5316 mdp_limm): Updated and fix some bug and typo.
5317 * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
5318 (movsf, movdf, doloop_end): Added.
5320 2007-01-08 Kazu Hirata <kazu@codesourcery.com>
5322 * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
5323 config/arm/thumb2.md: Fix comment typos.
5324 * doc/extend.texi: Fix a typo.
5326 2007-01-07 Eric Christopher <echristo@apple.com>
5328 * configure.ac: Check for __stack_chk_fail for darwin.
5329 * configure: Regenerate.
5331 2007-01-07 Richard Guenther <rguenther@suse.de>
5333 * tree-vrp.c (extract_range_from_assert): CSE calls to
5334 compare_values where possible.
5335 (extract_range_from_unary_expr): Likewise.
5337 2007-01-07 Anatoly Sokolov <aesok@post.ru>
5339 * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
5340 * config/avr/avr.c (call_insn_operand): Delete function.
5341 * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
5342 instead of register number. Use predicates.
5343 * config/avr/predicates.md (const0_operand, reg_or_0_operand,
5344 call_insn_operand): Add.
5346 2007-01-06 Jan Hubicka <jh@suse.cz>
5348 * tree-pass.h (pass_build_cgraph_edges): Declare.
5349 * cgraphunit.c (record_refernece): Move to cgraphbuild.c
5350 (visited_nodes): Remove.
5351 (cgraph_create_edges): Move to cgraphbuild.c; rename to
5352 build_cgrpah_edges; make visited_nodes local.
5353 (cgraph_process_new_functions): DO not call initialize_inline_failed.
5354 (record_references_in_initializer): Move to cgraphbuild.c
5355 (initialize_inline_failed, rebuild_cgraph_edges,
5356 pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
5357 (verify_cgraph_node): Make visited_nodes local.
5358 (cgraph_analyze_function): Do not call cgraph_create_edges and
5359 initialize_inline_failed.
5360 (cgraph_expand_function): Do not call cgraph_lower_function;
5361 assert that function is already lowered.
5362 * Makefile.in (cgraphbuild.o): New.
5363 * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
5364 at the end of lowering passes.
5366 2007-01-06 Steven Bosscher <steven@gcc.gnu.org>
5368 * ifcvt.c (cond_move_convert_if_block): New function, code
5369 factored out from...
5370 (cond_move_process_if_block): ...here. Call the new function
5371 on the THEN and ELSE blocks.
5372 (merge_if_block): Do not copy global_live_at_end, merge_blocks
5373 already takes care of this.
5375 2007-01-05 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
5378 * tree.h (TREE_OVERFLOW_P): New.
5379 * c-typeck.c (parser_build_unary_op): Warn only if result
5380 overflowed and operands did not.
5381 (parser_build_binary_op): Likewise.
5382 (convert_for_assignment): Remove redundant overflow_warning.
5383 * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
5385 2007-01-05 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
5387 * c-typeck.c (store_init_value): Split over two lines to follow
5388 the GNU coding style.
5390 2007-01-05 Benjamin Kosnik <bkoz@redhat.com>
5392 * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
5393 __GXX_EXPERIMENTAL_CXX0X__.
5394 * doc/cpp.texi: Same.
5396 2007-01-05 Richard Guenther <rguenther@suse.de>
5399 * tree.c (get_narrower): Do not construct COMPONENT_REFs
5400 with mismatched types. Instead explicitly build a
5401 conversion NOP_EXPR.
5403 2007-01-05 Ian Lance Taylor <iant@google.com>
5405 * c-common.c (decl_with_nonnull_addr_p): New function.
5406 (c_common_truthvalue_conversion): Call it.
5407 * c-typeck.c (build_binary_op): Likewise.
5408 * c-common.h (decl_with_nonnull_addr_p): Declare.
5410 2007-01-05 Jakub Jelinek <jakub@redhat.com>
5413 * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
5416 2007-01-05 Joel Brobecker <brobecker@adacore.com>
5418 * doc/install.texi (Final install): Document the fact that
5419 the GNAT runtime should not be stripped.
5421 2007-01-04 Jan Hubicka <jh@suse.cz>
5423 * tree-inline.c (fold_marked_statements): Update operand caches
5424 and EH after folding
5426 2007-01-04 Ian Lance Taylor <iant@google.com>
5428 * c-common.c (check_function_nonnull): Whitespace fix.
5430 2007-01-04 Jan Hubicka <jh@suse.cz>
5432 * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
5433 comitted older version of patch.
5434 (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
5435 function, celanup cfg and collect garbage.
5437 2007-01-04 Mike Stump <mrs@apple.com>
5439 * Makefile.in (mostlyclean): Don't remove libgcc anymore.
5442 2007-01-04 Eric Christopher <echristo@apple.com>
5444 * libgcc2.c (__bswapsi2): Use SItype.
5445 (__bswapdi2): Use DItype.
5446 * libgcc2.h: Update for above.
5448 2007-01-04 Paul Brook <paul@codesourcery.com>
5450 * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
5451 mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
5452 mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
5453 umulsidi3, umulsidi3adddi, smulsi3_highpart,
5454 umulsi3_highpart): Make conditional on !arm_arch6.
5455 (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
5456 mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
5457 mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
5458 umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
5459 umulsi3_highpart_v6): New insns.
5461 2007-01-04 Roger Sayle <roger@eyesopen.com>
5463 * fold-const.c (fold_convert): When casting an expression to void,
5464 fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
5465 have a type. Instead of attempting to build a NOP_EXPR, return
5466 these "special" trees directly.
5468 2007-01-04 Joseph Myers <joseph@codesourcery.com>
5470 * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
5471 MULT inside MINUS as either argument. Use rs6000_cost->dmul -
5472 rs6000_cost->fp not 0 as adjustment for outer NEG.
5474 2007-01-04 Jan Hubicka <jh@suse.cz>
5476 * cgraph.c (cgraph_release_function_body): New function.
5477 (cgraph_remove_node): Use it.
5478 * cgraph.h (cgraph_release_function_body): Declare.
5479 * cgraphunit.c (cgraph_expand_function): Use it.
5480 * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
5481 * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
5482 is initialized and while compilation of other function is running.
5483 * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
5484 statement CFG annotations from here to ...
5485 * tree-cfg.c (delete_tree_cfg_annotations): ... here.
5487 2007-01-04 Zdenek Dvorak <dvorakz@suse.cz>
5489 * cfgloop.h (enum li_flags): Make the constants powers of two.
5491 2007-01-04 Jan Hubicka <jh@suse.cz>
5493 * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
5495 (fold_marked_statements): New function.
5496 (optimize_inline_calls, tree_function_versioning): Fold new statements.
5497 * tree-inline.h (copy_body_data): Add statements_to_fold.
5499 2007-01-03 Daniel Jacobowitz <dan@codesourcery.com>
5501 * config.gcc: Mention libgcc/config.host.
5502 * Makefile.in: Update comments mentioning libgcc.
5503 (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
5504 (all.cross, start.encap, rest.encap, rest.cross): Update
5505 dependencies for libgcc move.
5506 (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
5507 (clean-target, clean-target-libgcc): Delete.
5508 (srcdirify, GCC_EXTRA_PARTS): New macros.
5509 (libgcc-support, libgcc.mvars): New rules.
5510 (distclean): Remove mention of mklibgcc.
5511 (install): Don't reference INSTALL_LIBGCC.
5512 (install-common): Don't reference EXTRA_PARTS.
5513 (install-libgcc, install-multilib): Delete rules.
5514 * mklibgcc.in: Delete file.
5515 * doc/configfiles.texi: Don't mention mklibgcc.
5517 * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
5518 * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
5519 * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
5520 * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
5521 (mklibgcc, ldblspecs): Likewise.
5523 * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
5524 (posixpre.def): Use $(T).
5525 (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
5526 (SHLIB_SRC, SHLIB_INSTALL): Delete.
5527 (SHLIB_LINK): Make dummy.
5528 * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
5530 * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
5532 * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
5533 * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
5534 config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
5535 config/rs6000/t-newas, config/sparc/t-elf: Likewise.
5537 * configure.ac (all_outputs): Remove mklibgcc.
5538 * configure: Regenerated.
5540 2007-01-03 Josh Conner <jconner@apple.com>
5543 * calls.c (compute_argument_addresses): Set stack and stack_slot
5544 for partial args, too.
5545 (store_one_arg): Use locate.size.constant for the size when
5546 generating a save_area.
5548 2007-01-03 Robert Kennedy <jimbob@google.com>
5550 * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
5551 whose definitions are deleted due to basic block merging.
5553 2007-01-03 Paul Brook <paul@codesourcery.com>
5556 * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
5558 (use_return_insn): Return 0 for Thumb interrupt functions.
5559 (print_multi_reg): Add rfe argument for IRQ returns.
5560 (arm_output_epilogue): Pop interrupt return address directly into PC.
5561 (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
5563 2007-01-03 Paul Brook <paul@codesourcery.com>
5565 Merge from sourcerygxx-4_1.
5566 * config/arm/thumb2.md: New file.
5567 * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
5569 * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
5570 * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
5571 (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
5572 * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
5574 (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
5575 * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
5577 * config/arm/ieee754-sf.S: Ditto.
5578 * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
5579 (thumb1_base_register_rtx_p): ... to this.
5580 (thumb_index_register_rtx_p): Rename...
5581 (thumb1_index_register_rtx_p): ... to this.
5582 (thumb_output_function_prologue): Rename...
5583 (thumb1_output_function_prologue): ... to this.
5584 (thumb_legitimate_address_p): Rename...
5585 (thumb1_legitimate_address_p): ... to this.
5586 (thumb_rtx_costs): Rename...
5587 (thumb1_rtx_costs): ... to this.
5588 (thumb_compute_save_reg_mask): Rename...
5589 (thumb1_compute_save_reg_mask): ... to this.
5590 (thumb_final_prescan_insn): Rename...
5591 (thumb1_final_prescan_insn): ... to this.
5592 (thumb_expand_epilogue): Rename...
5593 (thumb1_expand_epilogue): ... to this.
5594 (arm_unwind_emit_stm): Rename...
5595 (arm_unwind_emit_sequence): ... to this.
5596 (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
5597 thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
5598 thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
5599 arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
5600 thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
5601 thumb2_output_casesi): New functions.
5602 (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
5603 (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
5604 FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
5605 THUMB2_WORK_REGS): Define.
5606 (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
5607 arm_condexec_mask, arm_condexec_masklen)): New variables.
5608 (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
5609 (arm_override_options): Check new CPU capabilities.
5610 Set new architecture flag variables.
5611 (arm_isr_value): Handle v7m interrupt functions.
5612 (user_return_insn): Return 0 for v7m interrupt functions. Handle
5614 (const_ok_for_arm): Handle Thumb-2 constants.
5615 (arm_gen_constant): Ditto. Use movw when available.
5616 (arm_function_ok_for_sibcall): Return false for v7m interrupt
5618 (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
5619 (thumb_find_work_register, arm_load_pic_register,
5620 legitimize_tls_address, arm_address_cost, load_multiple_sequence,
5621 emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
5622 print_multi_reg, output_mov_long_double_fpa_from_arm,
5623 output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
5624 output_mov_double_fpa_from_arm, output_move_double,
5625 arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
5626 output_return_instruction, arm_output_function_prologue,
5627 arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
5628 arm_output_mi_thunk, thumb_set_return_address): Ditto.
5629 (arm_expand_prologue): Handle Thumb-2. Use arm_save_coproc_regs.
5630 (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
5631 (arithmetic_instr, shift_op): Use arm_shift_nmem.
5632 (arm_print_operand): Use arm_print_condition. Handle '(', ')', '.',
5634 (arm_final_prescan_insn): Use extract_constrain_insn_cached.
5635 (thumb_expand_prologue): Use thumb_set_frame_pointer.
5636 (arm_file_start): Output directive for unified syntax.
5637 (arm_unwind_emit_set): Handle stack alignment instruction.
5638 * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
5639 Add v6t2, v7, v7a, v7r and v7m.
5640 (RETLDM): Add Thumb-2 code.
5641 (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
5642 * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
5643 (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
5644 TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
5645 THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
5646 ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
5647 THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
5648 CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
5649 ADJUST_INSN_LENGTH): Define.
5650 (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
5651 STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
5652 BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
5653 PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
5654 SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
5655 TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
5656 HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
5657 HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
5658 REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
5659 REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
5660 LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
5661 GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
5662 ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
5663 FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
5664 PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
5665 (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
5666 * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
5668 * config/arm/arm-tune.md: Regenerate.
5669 * config/arm/arm-protos.h: Update prototypes.
5670 * config/arm/vfp.md: Enable patterns for Thumb-2.
5671 (arm_movsi_vfp): Add movw alternative. Use output_move_vfp.
5672 (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
5673 (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
5674 thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
5675 * config/arm/libunwind.S: Add Thumb-2 code.
5676 * config/arm/constraints.md: Update include Thumb-2.
5677 * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
5678 * config/arm/ieee754-df.S: Ditto.
5679 * config/arm/bpabi.S: Ditto.
5680 * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
5681 * config/arm/predicates.md (low_register_operand,
5682 low_reg_or_int_operand, thumb_16bit_operator): New.
5683 (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
5684 (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
5685 * config/arm/t-arm-elf: Add armv7 multilib.
5686 * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
5688 (UNSPEC_STACK_ALIGN, ce_count): New.
5689 (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
5690 arm_zero_extendsidi2, arm_zero_extendqidi2): New
5692 * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
5693 (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
5694 thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
5695 * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
5696 (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
5697 thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
5699 * doc/extend.texi: Document ARMv7-M interrupt functions.
5700 * doc/invoke.texi: Document Thumb-2 new cores+architectures.
5702 2007-01-03 Jakub Jelinek <jakub@redhat.com>
5704 * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
5705 (struct _Unwind_Context): Rename args_size to flags, remove
5706 signal_frame field, add a new args_size field and version field.
5707 (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
5708 _Unwind_IsExtendedContext): New inline functions.
5709 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
5710 Assume by_value array is only present if _Unwind_IsExtendedContext.
5711 (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
5712 _Unwind_IsSignalFrame.
5713 (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
5714 (uw_update_context_1): Use _Unwind_SetSignalFrame.
5715 (uw_init_context_1): Initialize context->flags to
5716 EXTENDED_CONTEXT_BIT.
5717 * config/rs6000/linux-unwind.h (frob_update_context): Use
5718 _Unwind_SetSignalFrame.
5720 2007-01-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
5723 * gimplify.c (gimplify_modify_expr_complex_part): Move below
5724 tree_to_gimple_tuple. Call tree_to_gimple_tuple when we need
5727 2007-01-03 Kazu Hirata <kazu@codesourcery.com>
5729 * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
5730 REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
5731 RET, AT_SP): Remove.
5732 * config/i386/i386.md (*sse_prologue_save_insn): Use return
5735 * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
5736 * cfgbuild.c (find_basic_blocks): Likewise.
5737 * cfgrtl.c (rtl_create_basic_block): Likewise.
5738 * function.c (temp_slots_at_level): Likewise.
5739 * reg-stack.c (stack_regs_mentioned): Likewise.
5740 * regclass.c (allocate_reg_info): Likewise.
5741 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
5742 set_bb_for_stmt, move_block_to_fn): Likewise.
5743 * tree-complex.c (tree_lower_complex): Likewise.
5744 * vec.h (VEC_safe_grow_cleared): New.
5746 * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
5748 2007-01-03 Zdenek Dvorak <dvorakz@suse.cz>
5750 * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
5751 * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
5753 * cfgloopmanip.c (scale_loop_frequencies): Export.
5754 (loopify): Scale the frequencies by prescribed coefficients.
5755 (set_zero_probability): New function.
5756 (duplicate_loop_to_header_edge): Improve updating of frequencies.
5757 (lv_adjust_loop_entry_edge, loop_version): Set probabilities
5758 and frequencies according to arguments.
5759 * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
5761 * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
5762 * modulo-sched.c (sms_schedule): Set probabilities for entering
5763 versioned loop correctly.
5764 * tree-vect-transform.c (vect_transform_loop): Ditto.
5765 * cfgloop.h (loopify, loop_version): Declaration changed.
5766 (scale_loop_frequencies): Declared.
5768 2007-01-02 Jan Hubicka <jh@suse.cz>
5770 * cgraph.c: Include tree-flow.h
5771 (cgraph_add_new-function): Handle IPA_SSA mode; execute
5773 * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
5774 * tree-pass.h (pass_all_early_optimizations): Declare.
5775 * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
5777 (cgraph_analyze_function): Do early_local_passes.
5778 * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
5779 Do not add referenced vars.
5780 * tree-optimize.c (gate_all_optimizations): Do not execute when not in
5782 (gate_all_early_local_passes): New gate.
5783 (pass_early_local_passes): Use new gate.
5784 (execute_early_local_optimizations): New functions.
5785 (gate_all_early_optimizations): New gate.
5786 (pass_all_early_optimizations): New pass.
5787 (execute_free_datastructures): Free SSA only when initialized.
5788 (gate_init_datastructures): Init only when optimizing.
5789 (tree_lowering_passes): Do early local passes when called late.
5790 * tree-profile.c (do_tree_profiling): Don't profile functions added
5792 (do_early_tree_profiling, pass_early_tree_profile): Kill.
5793 * tree-cfg.c (update_modified_stmts): Do not update when operands are
5795 * passes.c (init_optimizations_passes): Reorder so we go into SSA
5796 during early_local_passes.
5797 * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
5800 2007-01-02 Carlos O'Donell <carlos@codesourcery.com>
5802 * Makefile.in: Update copyright year.
5804 2007-01-02 Carlos O'Donell <carlos@codesourcery.com>
5806 * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
5807 in $(lang_checks) and check-consistency targets.
5809 2007-01-02 Jan Hubicka <jh@suse.cz>
5811 * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
5812 Do not add referenced vars.
5813 * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
5815 * passes.c (init_optimization_passes): Put mudflap_2 after
5816 free_datastructures.
5818 2007-01-02 Jan Hubicka <jh@suse.cz>
5820 * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
5821 Set NOTHROW flag on call statements proved to be nothrow.
5822 Update statement of local calls so new pure/const functions are
5823 updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
5825 (tree_rest_of_compilation): Register hooks and initialize bitmap
5826 early. Do not set after_inlining flag.
5828 2007-01-02 Steve Ellcey <sje@cup.hp.com>
5830 * sbitmap.c (HOST_BITS_PER_LONG_LONG): Change to
5831 HOST_BITS_PER_LONGLONG
5833 2007-01-02 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
5836 * c-typeck.c (store_init_value): Don't emit pedantic overflow
5837 warning for non-static initializers.
5839 2007-01-02 Steven Bosscher <steven@gcc.gnu.org>
5841 * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
5842 m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
5843 rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
5844 Always use set_unique_reg_note to add REG_EQUAL notes.
5846 2007-01-02 Kazu Hirata <kazu@codesourcery.com>
5849 2007-01-02 Kazu Hirata <kazu@codesourcery.com>
5851 * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
5852 * cfgbuild.c (find_basic_blocks): Likewise.
5853 * cfgrtl.c (rtl_create_basic_block): Likewise.
5854 * function.c (temp_slots_at_level): Likewise.
5855 * reg-stack.c (stack_regs_mentioned): Likewise.
5856 * regclass.c (allocate_reg_info): Likewise.
5857 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
5858 set_bb_for_stmt, move_block_to_fn): Likewise.
5859 * tree-complex.c (tree_lower_complex): Likewise.
5860 * vec.h (VEC_safe_grow_cleared): New.
5862 2007-01-02 Ian Lance Taylor <iant@google.com>
5864 * c-common.c (c_common_truthvalue_conversion): When warning about
5865 using an assignment as a truth value, set TREE_NO_WARNING.
5867 2007-01-02 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
5870 * c.opt (Wold-style-declaration): New.
5871 * doc/invoke.texi (C-only Warning Options): New.
5872 (Wold-style-declaration): Document it.
5873 (Wextra): Enabled by -Wextra.
5874 * c-opts.c (c_common_post_options): Enabled by -Wextra.
5875 * c-decl.c (declspecs_add_scspec): Replace -Wextra with
5876 -Wold-style-declaration.
5878 2007-01-02 Kazu Hirata <kazu@codesourcery.com>
5880 * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
5881 * cfgbuild.c (find_basic_blocks): Likewise.
5882 * cfgrtl.c (rtl_create_basic_block): Likewise.
5883 * function.c (temp_slots_at_level): Likewise.
5884 * reg-stack.c (stack_regs_mentioned): Likewise.
5885 * regclass.c (allocate_reg_info): Likewise.
5886 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
5887 set_bb_for_stmt, move_block_to_fn): Likewise.
5888 * tree-complex.c (tree_lower_complex): Likewise.
5889 * vec.h (VEC_safe_grow_cleared): New.
5891 2007-01-02 Douglas Gregor <doug.gregor@gmail.com>
5893 * c-common.c (c_common_nodes_and_builtins): Since variants of
5894 void_type_node get built before it is given a name, we need to
5895 give those variants the name, too.
5896 (complete_array_type): We need to work with the canonical main
5897 type of the array, from which we will build the qualified version.
5898 * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
5899 * print-tree.c (print_node): Display canonical type information
5901 * stor-layout.c (layout_type): When we don't know the
5902 alignment of a type for which we're building an array, we end up
5903 guessing wrong, so make the type require structural equality.
5904 * tree.c (make_node_stat): When we build a new type, it is its
5906 (build_type_attribute_qual_variant): When building an attribute
5907 variant, its canonical type is the non-attribute variant. However,
5908 if the attributes are target-dependent and they differ, we need to
5909 use structural equality checks for this type.
5910 (build_qualified_type): A qualified type is not equivalent to its
5911 unqualified variant; set the canonical type appropriately.
5912 (build_distinct_type_copy): When building a distinct type from
5913 another type, the new type is its own canonical type.
5914 (build_variant_type_copy): When building a new type variant, we
5915 assume that it is equivalent to the original type.
5916 (build_pointer_type_for_mode): When building a pointer type, also
5917 build a canonical type pointer.
5918 (build_reference_type_for_mode): When building a reference type,
5919 also build a canonical type reference.
5920 (build_index_type): When we can't hash an index type (e.g.,
5921 because its maximum value is negative), the index type requires
5922 structural equality tests.
5923 (build_array_type): Build the canonical form of an array type.
5924 (build_function_type): Function types require structural equality,
5925 because they contain default arguments, attributes, etc.
5926 (build_method_type_directly): Ditto for method types.
5927 (build_offset_type): Build the canonical offset type.
5928 (build_complex_type): Build the canonical vector type.
5929 (make_vector_type): Build the canonical vector type.
5930 * tree.h (TYPE_CANONICAL): New.
5931 (TYPE_STRUCTURAL_EQUALITY_P): New.
5932 (SET_TYPE_STRUCTURAL_EQUALITY): New.
5933 (struct tree_type): Added "canonical" field.
5934 * params.h (VERIFY_CANONICAL_TYPES): New.
5935 * doc/c-tree.texi (TYPE_CANONICAL): Document.
5936 (TYPE_STRUCTURAL_EQUALITY_P): Document.
5937 (SET_TYPE_STRUCTURAL_EQUALITY): Document.
5938 * doc/invoke.texi (verify-canonical-types): Document --param
5939 parameter for verifying canonical types.
5941 2007-01-02 Joseph Myers <joseph@codesourcery.com>
5943 * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
5944 powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
5945 powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
5946 powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
5948 * config/rs6000/e500.h: New.
5949 * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
5950 TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
5952 * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
5953 TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
5954 TARGET_E500_DOUBLE): Remove.
5955 * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
5956 TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
5957 * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
5958 * config/rs6000/rs6000.c (rs6000_override_options): Use
5961 2007-01-02 Joseph Myers <joseph@codesourcery.com>
5963 * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
5964 TARGET_E500_DOUBLE), not TARGET_E500, for %y.
5965 (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
5966 rs6000_emit_cmove): Don't check TARGET_E500.
5967 * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
5968 sordered): Don't check TARGET_E500.
5970 2007-01-01 Eric Christopher <echristo@apple.com>
5972 * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
5973 HARD_REGISTER_NUM_P.
5975 2007-01-01 Roger Sayle <roger@eyesopen.com>
5977 * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
5978 "X eq/ne (C1^C2)". Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
5979 has no side-effects. Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
5982 2007-01-01 Mike Stump <mrs@apple.com>
5984 * configure.ac: Remove support for building with Apple's gcc-3.1.
5986 2007-01-02 Joseph Myers <joseph@codesourcery.com>
5989 * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
5990 REG is a hard register. Do not modify REG before calling
5992 * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
5993 multiple of the size of YMODE for certain lowpart cases.
5995 2007-01-01 Andrew Pinski <pinskia@gmail.com>
5998 * gimplify (voidify_wrapper_expr): Update for
6001 2007-01-01 Andreas Schwab <schwab@suse.de>
6004 * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
6005 save of BR0 in extra_spill_size instead of spill_size.
6006 (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
6008 (ia64_expand_epilogue): Restore BR0 from its new location.
6010 2007-01-01 Andrew Pinski <pinskia@gmail.com>
6012 * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
6013 Use a temporary variable if the left hand side is not a gimple
6016 2007-01-01 Andrew Pinski <pinskia@gmail.com>
6018 * gimplify.c (gimplify_return_expr): Make the temporary variable
6019 for the return expression, a gimple register variable.
6021 2007-01-01 Jan Hubicka <jh@suse.cz>
6023 * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
6026 2007-01-01 Mike Stump <mrs@apple.com>
6028 * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
6030 * config/darwin.c (machopic_select_rtx_section): Use
6032 (darwin_mergeable_constant_section): Likewise.
6033 * configure: Regenerate.
6034 * config.in: Regenerate.
6036 2007-01-01 Jan Hubicka <jh@suse.cz>
6037 Andrew Pinski <pinskia@gmail.com>
6039 * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
6040 before starting IPA passes.