1 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
3 * configure.ac (target_list): Add install-info, dvi, html.
4 * configure: Regenerate.
6 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
7 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
8 treelang/Make-lang.in: Do not use double-colon rules.
10 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
12 * tree.h (struct tree_memory_tag): Add is_used_alone member.
13 (TMT_USED_ALONE): New macro.
14 * tree-pass.h (PROP_tmt_usage): New property.
15 (TODO_update_tmt_usage): New todo.
16 * tree-ssa-alias.c (updating_used_alone): New variable.
17 (recalculate_used_alone): New function.
18 (compute_may_aliases): Set updating_used_alone, call
19 recalculate_used_alone.
20 * tree-sra.c (pass_sra): Note that this pass destroys
21 PROP_tmt_usage, and add TODO_update_tmt_usage.
22 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
23 * tree-flow.h (updating_used_alone): Prototype.
24 (recalculate_used_alone): Ditto.
25 * passes.c (execute_todo): Add code to set updating_used_alone,
27 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
28 for clobber if used alone, and add assert to verify used_alone
31 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
33 * config/s390/s390.c (legitimize_pic_address): Assertions checking
34 for non tls symbols added.
35 (legitimize_address): Do nothing for PLUS expressions if one of the
36 addends is a tls symbol reference.
38 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
42 * Makefile.in (LDFLAGS): Define from autoconf substitution.
44 * Makefile.in (BOOTSTRAPPING): New.
45 (quickstrap): New definition if BOOTSTRAPPING=yes.
47 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
48 * configure.ac: Substitute all_selected_languages with the languages
49 that were configured. For all the other variables except
50 lang_specs_files, include all the languages in the tree.
51 * configure: Regenerate.
53 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
54 if there is one. Run the commands to run fixincludes in the same
57 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
58 * doc/install.texi: Document exact conventions for searching target tools.
59 Document --with-build-time-tools. Document toplevel bootstrap. Document
60 something more about building an Ada cross-compiler. Don't list GNU Make
61 requirements which affect all platforms.
63 2006-02-19 Roger Sayle <roger@eyesopen.com>
66 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
67 only equivalent if the have both the same mode and precision.
69 2006-02-20 Ben Elliston <bje@au.ibm.com>
71 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
73 2006-02-19 Roger Sayle <roger@eyesopen.com>
74 Steven Bosscher <stevenb.gcc@gmail.com>
76 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
77 constant pool references to identify stack mode constants.
78 * rtlanal.c (constant_pool_constant_p): New predicate to check
79 whether operand is a floating point constant in the pool.
80 * rtl.h (constant_pool_constant_p): Prototype here.
81 * loop.c (scan_loop): Avoid hoisting constants from the constant
82 pool on STACK_REGS targets.
83 (load_mems): Likewise.
84 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
85 loads into x87 registers expensive in terms of register pressure.
87 2006-02-19 Roger Sayle <roger@eyesopen.com>
89 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
90 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
92 2006-02-19 David Edelsohn <edelsohn@gnu.org>
94 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
95 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
97 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
99 * doc/invoke.texi: Document -fipa-pta.
100 * common.opt: Add ipa-pta option.
101 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
102 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
103 (do_ds_constraint): Ditto.
104 (get_constraint_for): Only add to referenced_vars if
105 referenced_vars exists.
106 (insert_into_field_list): Rewrite to do this unsorted.
107 (insert_into_field_list_sorted): Rename old insert_into_field_list
109 (create_function_info_for): Use insert_into_field_list_sorted.
110 (create_variable_info_for): Rewrite so it uses unsorted version,
111 since the field list is sorted.
112 (intra_create_variable_infos): Only add to referenced_vars if
113 referenced_vars exists.
114 (ipa_pta_execute): Init heapvars, and delete when done.
115 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
117 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
119 * doc/install.texi: Add missing `@samp'.
121 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
123 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
126 2006-02-18 Mark Wielaard <mark@klomp.org>
128 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
129 who added new 4.1 features, bug fixes and integration support.
131 2006-02-18 David Edelsohn <edelsohn@gnu.org>
134 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
137 2006-02-18 Richard Sandiford <richard@codesourcery.com>
139 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
140 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
141 (copy_insn_1): Likewise. Don't copy each field individually.
143 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
145 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
146 * rtl.c (rtx_size): Rename variable to...
147 (rtx_code_size): ...this.
148 (rtx_size): New function.
149 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
150 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
152 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
153 * rtl.h (rtx_code_size): New variable.
154 (rtx_size): Change from a variable to a function.
155 (RTX_SIZE): Rename to...
156 (RTX_CODE_SIZE): ...this.
159 PR tree-optimization/17106
160 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
161 (Anchored Addresses): New section.
162 * doc/invoke.texi (-fsection-anchors): Document.
163 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
164 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
165 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
166 * hooks.c (hook_bool_mode_rtx_false): New function.
167 * hooks.h (hook_bool_mode_rtx_false): Declare.
168 * gengtype.c (create_optional_field): New function.
169 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
170 SYMBOL_REF_IN_BLOCK_P is true.
171 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
172 (min_anchor_offset, max_anchor_offset): Likewise.
173 (use_anchors_for_symbol_p): New hook.
174 * toplev.c (compile_file): Call output_object_blocks.
175 (target_supports_section_anchors_p): New function.
176 (process_options): Check that -fsection-anchors is only used on
177 targets that support it and when -funit-at-a-time is in effect.
178 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
179 if the decl doesn't have one.
180 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
181 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
182 of force_const_mem through use_anchored_address.
183 (expand_expr_constant): New function.
184 (expand_expr_addr_expr_1): Call it. Use the same modifier when
185 calling expand_expr for INDIRECT_REF.
186 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
187 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
188 * expr.h (use_anchored_address): Declare.
189 * loop-unroll.c: Don't declare rtx vectors here.
190 * explow.c: Include output.h.
191 (validize_mem): Call use_anchored_address.
192 (use_anchored_address): New function.
193 * common.opt (-fsection-anchors): New switch.
194 * varasm.c (object_block_htab, anchor_labelno): New variables.
195 (hash_section, object_block_entry_eq, object_block_entry_hash)
196 (use_object_blocks_p, get_block_for_section, create_block_symbol)
197 (use_blocks_for_decl_p, change_symbol_section): New functions.
198 (get_variable_section): New function, split out from assemble_variable.
199 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
200 use_blocks_for_decl_p say so. Use change_symbol_section if the
201 symbol has already been created.
202 (assemble_variable_contents): New function, split out from...
203 (assemble_variable): ...here. Don't output any code for
204 block symbols; just pass them to place_block_symbol.
205 Use get_variable_section and assemble_variable_contents.
206 (get_constant_alignment, get_constant_section, get_constant_size): New
207 functions, split from output_constant_def_contents.
208 (build_constant_desc): Create a block symbol if use_object_blocks_p
209 says so. Or into SYMBOL_REF_FLAGS.
210 (assemble_constant_contents): New function, split from...
211 (output_constant_def_contents): ...here. Don't output any code
212 for block symbols; just pass them to place_section_symbol.
213 Use get_constant_section and get_constant_alignment.
214 (force_const_mem): Create a block symbol if use_object_blocks_p and
215 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
216 (output_constant_pool_1): Add an explicit alignment argument.
217 Don't switch sections here.
218 (output_constant_pool): Adjust call to output_constant_pool_1.
219 Switch sections here instead. Don't output anything for block symbols;
220 just pass them to place_block_symbol.
221 (init_varasm_once): Initialize object_block_htab.
222 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
223 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
224 (place_block_symbol, get_section_anchor, output_object_block)
225 (output_object_block_htab, output_object_blocks): New functions.
226 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
227 (TARGET_ASM_OUT): Include it.
228 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
229 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
230 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
231 (TARGET_INITIALIZER): Include them.
232 * rtl.c (rtl_check_failed_block_symbol): New function.
233 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
234 (block_symbol, object_block): New structures.
235 (rtx_def): Add a block_symbol field to the union.
236 (BLOCK_SYMBOL_CHECK): New macro.
237 (rtl_check_failed_block_symbol): Declare.
238 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
239 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
240 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
241 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
242 * output.h (output_section_symbols): Declare.
243 (object_block): Name structure.
244 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
245 (default_use_anchors_for_symbol_p): Declare.
246 * Makefile.in (RTL_BASE_H): Add vec.h.
247 (explow.o): Depend on output.h.
248 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
249 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
250 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
251 (rs6000_use_blocks_for_constant_p): New function.
253 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
255 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
257 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
260 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
263 2006-02-18 Diego Novillo <dnovillo@redhat.com>
265 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
269 2006-02-18 Jakub Jelinek <jakub@redhat.com>
272 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
273 instead of DECL_REGISTER.
275 2006-02-18 Olivier Hainque <hainque@adacore.com>
278 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
280 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
283 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
284 * opth-gen.awk: Handle Var and InverseMask together.
285 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
286 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
287 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
288 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
290 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
291 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
292 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
293 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
294 LINUX_DYNAMIC_LINKER): Define.
295 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
296 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
298 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
299 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
300 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
301 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
302 (TARGET_C99_FUNCTIONS): Don't define.
303 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
304 GLIBC_DYNAMIC_LINKER.
305 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
306 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
307 GLIBC_DYNAMIC_LINKER64): Define.
308 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
309 LINUX_DYNAMIC_LINKER64.
310 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
311 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
312 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
313 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
314 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
315 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
316 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
317 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
318 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
319 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
320 and LINUX_DYNAMIC_LINKER32.
321 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
322 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
323 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
324 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
325 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
327 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
328 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
329 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
330 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
331 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
332 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
333 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
334 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
335 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
336 LINUX_DYNAMIC_LINKER): Define.
337 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
338 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
339 GLIBC_DYNAMIC_LINKER64): Define.
340 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
341 LINUX_DYNAMIC_LINKER64.
342 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
343 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
344 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
345 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
346 LINUX_DYNAMIC_LINKER): Define.
347 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
348 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
349 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
350 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
351 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
352 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
353 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
354 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
355 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
356 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
357 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
358 * doc/invoke.texi (-muclibc): Remove caveat about supported
361 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
363 * doc/cpp.texi (__TIMESTAMP__): Document.
365 2006-02-17 Roger Sayle <roger@eyesopen.com>
368 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
369 C is one less than the width of X (and related transformations).
370 * simplify_rtx.c (simplify_unary_operation_1): Transform
371 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
372 depending on STORE_FLAG_VALUE, were C is one less then the
375 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
377 Fix PR tree-optimization/26341
378 * tree-ssa-operands.c (add_virtual_operand): Remove assert
379 about NAME_MEMORY_TAG's.
381 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
384 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
385 with hardware float support, and software float support. Add fcpy
386 alternative to hardware patterns. Add alternatives to copy between
387 general and floating-point registers to the 32-bit pattern.
388 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
389 secondary reload to load a QI or HI mode constant into a floating
391 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
392 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
394 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
397 * config/rs6000/darwin.md (load_macho_picbase_si): Add
399 (load_macho_picbase_di): Likewise.
401 2006-02-16 Jeff Law <law@redhat.com>
403 * tree-vrp.c (set_value_range_to_nonnegative): New function.
404 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
405 (ssa_name_nonzero_p): Likewise.
406 (get_value_range): Return NULL if VRP is not running.
407 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
408 VRP routines do not discover a range.
409 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
410 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
411 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
412 (tree_expr_nonnegative_p): Similarly.
413 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
414 (restore_nonzero_vars_to_original_value): Remove.
415 (unsafe_associative_fp_binop): Remove.
416 (tree_ssa_dominator_optimize): Remove initialization and
417 finalization of nonzero_vars and nonzero_vars_stack.
418 (dom_opt_initialize_block): No longer push marker on
420 (dom_opt_finalize_block): No longer call
421 restore_nonzero_vars_to_original_value.
422 (record_equivalences_from_phis): No longer look for
423 nonzero PHI arguments.
424 (cprop_into_successor_phis): No longer propagate nonzero
425 property into PHI arguments. Lose unused argument. Caller
427 (record_equivalences_from_stmt): No longer record nonzero
428 values for SSA_NAMEs.
429 (lookup_avail_expr): No longer use nonzero_vars.
431 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
432 for sizetype when sizetype is unsigned.
434 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
436 PR rtl-optimization/25603
437 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
438 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
439 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
440 with new meaning of SETS.
442 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
447 * config/linux.opt: New file.
448 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
449 LINUX_DYNAMIC_LINKER): Define.
450 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
451 * config.gcc (*-*-linux*): Define extra_options.
452 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
453 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
454 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
455 GLIBC_DYNAMIC_LINKER.
456 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
457 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
458 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
459 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
460 * doc/invoke.texi (GNU/Linux Options): New section.
462 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
464 * config/sparc/sparc.md (setjmp): Rewrite.
466 (setjmp_64): Likewise.
468 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
470 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
473 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
475 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
478 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
480 PR rtl-optimization/26296
481 * Makefile.in (loop-invariant.c): Add except.h dependency.
482 * loop-invariant.c: Include except.h.
483 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
485 2005-02-16 Paul Brook <paul@codesourcery.com>
487 * reload1.c (emit_reload_insns): Invalidate dead input registers used
490 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
492 PR rtl-optimization/25636
493 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
494 when deciding whether an insn is an initializing insn.
496 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
498 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
499 (tree_code_size): Ditto.
500 * tree.h (struct tree_memory_tag): Remove parent_var.
501 (struct tree_struct_field_tag): New.
504 (union tree_node): Add sft member.
505 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
507 (create_sft): Add size and offset argument, set SFT_OFFSET and
509 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
510 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
511 * tree-flow-inline.h (get_subvar_at): Update for
513 (var_can_have_subvars): Ditto.
514 (overlap_subvar): Ditto.
515 * print-tree.c (print_node): Print out interesting things for
517 * tree-flow.h (struct subvar): Remove offset and size members.
518 * tree-ssa-operands.c (get_expr_operands): Update for
519 get_indirect_ref_operands changes.
520 (get_indirect_ref_operands): Call add_virtual_operand instead of
521 add_stmt_operand. Only recurse on base var if requested.
522 (access_can_touch_variable): New function.
523 (add_stmt_operand): Split virtual operand handling into ...
524 (add_virtual_operand): Here. Add offset, size, and for_clobber
525 arguments. Prune alias sets.
526 (add_call_clobber_ops): Call add_virtual_operand.
528 2006-02-15 Jakub Jelinek <jakub@redhat.com>
531 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
533 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
534 than TREE_CODE as index into omp_clause_num_ops array.
536 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
538 PR rtl-optimization/26184
539 * modulo-sched.c (generate_reg_moves): Free bitmap vector
541 * modulo-sched.c (sms_schedule): Free g_arr pointer.
542 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
543 must_precede, must_follow and tobe_scheduled.
546 * opts.c (common_handle_option): Free new_option pointer.
547 * df-core.c (df_analyze): Free postorder pointer.
549 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
551 * Makefile.in: Fix the examples about the use of stamps
553 2006-02-15 Michael Matz <matz@suse.de>
557 * stor-layout.c (layout_decl): Zero-width bitfields aren't
558 influenced by maximum_field_alignment or DECL_PACKED.
559 (update_alignment_for_field): Ditto.
560 (place_field): Ditto.
561 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
564 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
566 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
567 (debug_flow_info): Pass it.
568 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
569 * bb-reorder.c (reorder_basic_blocks): Likewise.
570 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
571 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
572 * flow.c (life_analysis, recompute_reg_usage): Likewise.
573 * gcse.c (gcse_main, bypass_jumps): Likewise.
574 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
575 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
576 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
577 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
578 * rtl.h (dump_flow_info): Adjust prototype.
579 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
580 * var-tracking.c (variable_tracking_main): Likewise.
581 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
582 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
585 2006-02-15 Marcin Dalecki <martin@dalecki.de>
587 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
590 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
592 PR tree-optimization/26209
593 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
594 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
596 * tree-cfg.c (replace_uses_by): Do not alter cfg.
598 2006-02-14 Roger Sayle <roger@eyesopen.com>
601 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
602 (X,Y) and the corresponding symmetry related transformations.
603 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
604 (X,Y) and its symmetry related transformations.
606 2006-02-14 Roger Sayle <roger@eyesopen.com>
608 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
611 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
613 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
615 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
618 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
619 support COMDAT group.
620 * configure: Regenerate.
622 2006-02-14 Roger Sayle <roger@eyesopen.com>
627 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
629 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
631 Fix PR tree-optimization/26260
633 * doc/invoke.texi (max-fields-for-field-sensitive): Document
635 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
636 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
637 * tree-ssa-structalias.c (create_variable_info_for): Use
638 MAX_FIELDS_FOR_FIELD_SENSITIVE.
640 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
642 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
644 * tree-ssa-loop-niter.c (number_of_iterations_ne,
645 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
646 of the ending condition.
647 * tree-ssa-loop-manip.c: Include params.h.
648 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
649 tree_unroll_loop): New functions.
650 * tree-pass.h (pass_loop_prefetch): Declare.
651 * loop.c (rest_of_handle_loop_optimize): Test for
652 -fprefetch-loop-arrays-rtl.
653 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
654 * timevar.def (TV_TREE_PREFETCH): New timevar.
655 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
656 pass_loop_prefetch): New.
657 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
658 (cleanup_tree_cfg_loop): Call scev_reset.
659 * common.opt (fprefetch-loop-arrays-rtl): Add.
660 * tree-ssa-loop-prefetch.c: New file.
661 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
662 (new_temp_expr_table): Initialize expr_vars.
663 (free_temp_expr_table): Cleanup expr_vars.
664 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
665 expressions from being merged into one.
666 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
667 (struct tree_niter_desc): Add control, bound and cmp fields.
668 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
670 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
671 (tree-cfgcleanup.o): Add SCEV_H dependency.
672 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
673 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
675 2006-02-14 Richard Guenther <rguenther@suse.de>
677 PR tree-optimization/26258
678 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
679 in PHI argument processing.
681 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
683 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
684 new expression in the requested machine mode.
686 2006-02-13 Roger Sayle <roger@eyesopen.com>
688 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
689 directly, instead let do_compare_rtx_and_jump handle this for us.
690 * expr.c (expand_expr_real_1): Likewise.
691 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
692 before do_jump_by_parts_greater.
693 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
694 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
696 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
698 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
700 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
702 PR rtl-optimization/26235
703 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
704 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
707 2006-02-13 Jeff Law <law@redhat.com>
709 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
712 2006-02-13 Jakub Jelinek <jakub@redhat.com>
715 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
716 twice if decl is a builtin. When trying again, call get_callee_fndecl
717 first to verify it is still a builtin.
719 2006-02-13 Geoffrey Keating <geoffk@apple.com>
721 * dwarf2out.c (base_type_die): Don't add AT_name here.
722 (subrange_type_die): Don't add AT_name here.
723 (modified_type_die): Rearrange code flow. Do add AT_name here.
725 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
727 PR rtl-optimization/26247
728 PR rtl-optimization/26248
729 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
731 2006-02-13 Richard Sandiford <richard@codesourcery.com>
733 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
734 * config/fixtfdi.c: Likewise.
735 * config/fixunstfdi.c: Likewise.
736 * config/floatditf.c: Likewise.
738 2006-02-13 Roger Sayle <roger@eyesopen.com>
741 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
742 into (X,C2) if C1 is a subset of the bits of C2. Transform
743 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
745 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
747 2006-02-13 Josh Conner <jconner@apple.com>
750 * varasm.c (function_section): Check for section name before
751 calling select_section on targets that define
752 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
753 unlikely_text_section instead of hot_function_section if
754 first_function_block_is_cold.
756 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
759 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
761 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
763 PR rtl-optimization/26222
764 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
765 after tree->rtl expansion.
766 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
767 before passing it to emit_move_insn.
769 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
771 * doc/invoke.texi (-Write-strings): Document that it is enabled by
773 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
774 Clarify documentation.
775 * c-common.h (warn_write_strings): Remove.
776 * c-common.c (warn_write_strings): Likewise.
777 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
780 2006-02-12 Roger Sayle <roger@eyesopen.com>
783 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
784 (do_jump_parts_zero_rtx): New function renamed from
785 do_jump_parts_equality_rtx. Made static. Add a mode argument.
786 (do_jump_parts_equality_rtx): New function split out from
787 do_jump_parts_equality. Old implementation renamed as above.
788 Call do_jump_parts_zero_rtx if either operand is zero.
789 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
790 do all of the heavy lifting.
791 (do_compare_rtx_and_jump): Handle multi-word comparisons by
792 calling either do_jump_by_parts_greater_rtx or
793 do_jump_by_parts_equality_rtx.
794 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
795 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
796 moved to do_compare_rtx_and_jump, call it directly.
797 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
798 mode argument. Call do_compare_rtx_and_jump.
799 (emit_case_nodes): Update calls to do_jump_if_equal.
801 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
803 PR rtl-optimization/26225
804 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
806 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
808 PR rtl-optimization/26232
809 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
811 2006-02-11 Jason Merrill <jason@redhat.com>
814 * tree-inline.c (declare_return_variable): Just don't use the
815 modify target if it's a gimple complex reg and the return slot
818 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
820 * doc/contrib.texi: Update my entry.
822 2006-02-10 Geoffrey Keating <geoffk@apple.com>
824 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
826 2006-02-10 Diego Novillo <dnovillo@redhat.com>
828 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
831 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
833 * doc/invoke.texi (-floop-optimize2): Removed.
834 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
835 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
836 Test flag_branch_on_count_reg only if HAVE_doloop_end.
837 * common.opt (floop-optimize2): Removed.
838 (fmove-loop-invariants): Enabled by default.
840 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
842 * tree-if-conv.c (combine_blocks): Free the result of
845 2006-02-10 Jeff Law <law@redhat.com>
847 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
849 PR tree-optimization/26213
850 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
851 loop trying to follow SSA_NAME_VALUE chains.
853 2006-02-10 Richard Guenther <rguenther@suse.de>
855 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
856 deal with structures that end in implicitly variable sized arrays.
858 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
860 PR rtl-optimization/24762
861 * df-scan.c (df_bb_refs_record): Record correct registers defined on
864 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
866 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
867 (struct ivopts_data): Add regs_used field.
868 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
869 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
870 instead of loop_data->regs_used;
871 (free_loop_data): Do not free aux fields for loops.
872 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
873 and tree_ssa_iv_optimize_finalize.
875 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
877 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
879 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
882 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
883 computing the effective result type.
885 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
888 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
889 (tree_overlaps_hard_reg_set): Declare.
890 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
891 type and signature to match function type expected by walk_tree.
892 (tree_overlaps_hard_reg_set): New function.
893 (decl_conflicts_with_clobbers_p): Rename to:
894 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
895 Use tree_overlaps_hard_reg_set. Changed caller.
896 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
897 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
898 * cris.c (cris_md_asm_clobbers): Likewise.
900 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
902 * reload1.c (emit_input_reload_insns): Delete code that tries to
903 inherit using find_equiv_reg.
905 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
907 * c-common.h (flag_const_strings): Don't declare.
908 * c-common.c (flag_const_strings): Remove.
909 * c.opt (fconst_strings): Remove.
910 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
911 <OPT_Wwrite_strings>: Don't set flag_const_strings.
912 (c_common_init_options): Don't set flag_const_strings.
913 * doc/invoke.texi (-fno-const-strings): Remove documentation.
915 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
917 * arm.md (tlobits_cbranch): New pattern.
918 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
919 testing a single bit.
921 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
924 * tree-ssa-pre.c (create_component_ref_by_pieces):
925 Handle RETURN_DECL like VAR_DECL.
927 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
930 * fold-const.c (fold_indirect_ref_1): Fold
931 "*(foo *)&complexfoo" to "__real__ complexfoo"
932 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
934 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
936 * tree-flow-inline.h (var_can_have_subvars):
937 Volatile variables should not have subvariables.
939 2006-02-09 Diego Novillo <dnovillo@redhat.com>
942 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
943 multiplying unsigned values.
946 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
948 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
950 2006-02-08 Jason Merrill <jason@redhat.com>
953 * tree.def: Elaborate on difference from MODIFY_EXPR.
954 * doc/c-tree.texi (INIT_EXPR): Likewise.
955 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
956 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
957 (gimplify_target_expr): Likewise.
958 (gimplify_cond_expr): Remove target handling.
959 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
960 (gimplify_expr): Clobber it here.
961 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
962 Do return slot optimization if we have an INIT_EXPR.
965 * tree-inline.c (declare_return_variable): Also clear
966 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
969 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
972 * gimplify.c (gimplify_one_sizepos): Fix typo.
974 2006-02-08 Jeff Law <law@redhat.com>
976 PR tree-optimization/21417
977 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
978 across a backedge if the control statement at the end of the
979 block is data dependent on other statements in the same block.
980 (record_temporary_equivalences_from_stmts): Remove over-conservative
981 test for threading across backedges.
983 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
984 control statement, handle all three special cases in the same
985 manner as they all have the same desired solution. No longer
986 special case edge flag updating when the post dominator is
989 2006-02-08 Roger Sayle <roger@eyesopen.com>
991 * tree.def (CHAR_TYPE): Remove.
992 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
993 * dwarf2out.c (base_type_die, is_base_type): Likewise.
994 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
995 (gen_string_type_die): Delete unreachable function.
997 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
998 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
999 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
1000 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
1001 * builtins.c (type_to_class): Likewise.
1002 * fold-const.c (fold_convert, build_range_check,
1003 merge_ranges): Likewise.
1004 * expr.c (count_type_elements): Likewise.
1005 * c-pretty-print.c (pp_c_type_specifier): Likewise.
1006 * stor-layout.c (layout_type): Likewise.
1007 * ipa-type-escape.c (type_to_consider): Likewise.
1008 * gimplify.c (omp_firstprivatize_type_sizes,
1009 gimplify_type_sizes): Likewise.
1010 * explow.c (promote_mode): Likewise.
1011 * tree-sra.c (is_sra_scalar_type): Likewise.
1012 * varasm.c (output_constant): Likewise.
1013 * tree-inline.c (remap_type_1): Likewise.
1014 * convert.c (convert_to_pointer, convert_to_real,
1015 convert_to_integer, convert_to_complex): Likewise.
1017 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
1019 * df-scan.c (df_def_record_1): A set destination may
1020 be a parallel regardless of mode.
1022 2006-02-08 Roger Sayle <roger@eyesopen.com>
1025 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
1026 * config/mips/_tilib.c: Remove.
1027 * config/fixtfdi.c: New libgcc source file.
1028 * config/fixunstfdi.c: New source file.
1029 * config/floatditf.c: New source file.
1030 * config/floatunditf.c: New souce file.
1031 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
1032 files above instead of config/mips/_tilib.c.
1033 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
1035 2006-02-08 Jeff Law <law@redhat.com>
1037 PR tree-optimization/26169
1038 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
1041 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
1043 * df.h (DF_REG_SIZE): Return the length of the initialized
1046 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
1048 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
1049 __muldf3): Return a correctly signed zero.
1051 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
1053 * passes.c (register_one_dump_file): Accept the current properties
1054 instead of pass number. Adjust call to dump_register. Remove
1056 (register_dump_files): Now a wrapper around...
1057 (register_dump_files_1): ... this one. Do not modify the pass
1059 (next_pass_1): Cosmetic fix.
1060 (execute_todo): Keep second parameter only. Use curr_properties
1061 instead of fetching it from the pass structure. Check and set
1063 (execute_one_pass): Handle TODO_set_props. Use curr_properties
1064 instead of fetching it from the pass structure. Fix calls to
1065 execute_todo. Update curr_properties and initialize .vcg RTL dump
1066 after running the pass. Reset last_verified.
1067 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
1069 (FIRST_AUTO_NUMBERED_DUMP): New.
1070 (dump_register): Remove "num" parameter, assign it within the
1072 (get_dump_file_name): Modify template for dumps.
1073 * tree-dump.h (dump_register): Adjust prototype.
1074 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
1075 (PROP_trees): Add PROP_gimple_lomp.
1076 (TODO_set_props): New.
1077 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
1078 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
1079 * cfgexpand.c (pass_expand): Destroy PROP_trees.
1081 2006-02-08 Jakub Jelinek <jakub@redhat.com>
1083 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
1084 (sparc64-*-linux*): Likewise.
1085 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
1086 * config/sparc/t-linux: New file.
1087 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
1088 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
1089 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
1090 -m32 -mlong-double-128.
1092 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
1093 * config/alpha/t-linux: New file.
1094 * config/alpha/libgcc-alpha-ldbl.ver: New file.
1096 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
1097 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
1098 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
1099 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
1100 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
1101 (CPP_ARCH32_SPEC): Remove.
1103 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
1105 PR tree-optimization/26145
1106 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
1109 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1112 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
1113 >= 240000 when generating code for SOM runtime.
1114 (output_indirect_call): Don't use "b,l" instruction for indirect calls
1115 to $$dyncall when generating code for SOM runtime..
1117 2006-02-07 Dirk Mueller <dmueller@suse.com>
1120 * doc/invoke.texi (-Wsequence-point): Update documentation
1121 that -Wsequence-point is implemented for C++ as well.
1123 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
1125 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
1126 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
1127 (LIB_SPEC): Likewise.
1128 * doc/invoke.texi (SPARC options): Document -pthread.
1130 2006-02-07 Geoffrey Keating <geoffk@apple.com>
1132 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
1135 2006-02-07 Roger Sayle <roger@eyesopen.com>
1137 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
1138 Correct comment describing BOOLEAN_TYPE.
1140 2006-02-07 Dirk Mueller <dmueller@suse.com>
1142 * c.opt: C++ frontend supports -Wdiv-by-zero.
1143 * c-opts.c (c_common_handle_option): Remove dead case.
1145 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
1147 * configure.ac (TLS assembler check): Do not enable TLS by
1148 default on SPARC/Solaris before version 10.
1149 * configure: Regenerate.
1151 2006-02-07 David Edelsohn <edelsohn@gnu.org>
1153 * doc/invoke.texi (xl-compat): Document conversion and support
1156 2006-02-07 Jeff Law <law@redhat.com>
1158 * tree-vrp.c (find_conditional_asserts): Update comments.
1159 (simplify_stmt_for_jump_threading): New.
1160 (identify_jump_threads, finalize_jump_threads): New.
1161 (vrp_finalize): Call identify_jump_threads.
1162 (execute_vrp): Call finalize_jump_threads.
1163 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
1164 (vrp_element, vrp_data, vrp_element_p): Remove.
1165 (vrp_hash_elt, vrp_variables_stack): Remove.
1166 (vrp_hash, vrp_eq, record_range): Remove.
1167 (simplify_cond_and_lookup_avail_expr): Remove.
1168 (extract_range_from_cond): Remove.
1169 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
1170 (simplify_stmt_for_jump_threading): New.
1171 (dom_thread_across_edge): New wrapper.
1172 (tree_ssa_dominator_optimize): No longer initialize or
1173 finalize any of the VRP datastructures. Remove iteration
1174 step and simplify as a result of removal of iteration step.
1175 (pass_dominator): Perform a cfg cleanup after DOM.
1176 (dom_opt_finalize_block): Use the new common routines
1177 for threading jumps. Simplify stack management slightly.
1178 No longer need to unwind VRP state.
1179 (record_equivalences_from_incoming_edge): No longer record
1181 (eliminate_redundant_computations): No longer call
1182 simplify_cond_and_lookup_avail_expr.
1183 * tree-flow.h (potentially_threadable_block): Prototype.
1184 (thread_across_edge): Likewise.
1185 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
1186 (tree-ssa-threadedge.o): Add dependencies.
1187 * tree-ssa-threadedge.c: New file.
1188 * passes.c (init_optimization_passes): Merge PHIs before
1189 calling VRP. Run VRP again late in the SSA optimization pipeline.
1191 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
1193 * df-core.c (df_set_blocks): Do not dereference function pointers.
1194 (df_finish1): Likewise.
1195 (df_hybrid_search_forward): Likewise.
1196 (df_hybrid_search_backward): Likewise.
1197 (df_iterative_dataflow): Likewise.
1198 (df_analyze_problem): Likewise.
1199 (df_compact_blocks): Likewise.
1200 (df_dump): Likewise.
1201 * df-scan.c (df_rescan_blocks): Likewise.
1202 (df_record_entry_block_defs): Likewise.
1204 * genconditions.c (write_conditions): Guard the definition of
1205 'insn_conditions' with the check on GCC version.
1206 (write_writer): Guard the traversal 'insn_conditions' with
1207 the check on GCC version.
1209 2006-02-07 Richard Guenther <rguenther@suse.de>
1213 2006-01-30 Richard Guenther <rguenther@suse.de>
1215 * gimplify.c (gimplify_target_expr): Handle easy cases
1216 without creating a temporary.
1218 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
1220 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
1221 use of float in probability computations. Use edge probabilities
1222 in place of statically computed probabilities.
1223 (min_spec_prob): New static variable.
1224 (schedule_insns): Initialize it.
1225 (GET_SRC_PROB): Removed.
1226 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
1228 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
1231 * config/ia64/unwind-ia64.c: Revert last change.
1232 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
1233 (INCOMING_FRAME_SP_OFFSET): Define.
1235 2006-02-06 Roger Sayle <roger@eyesopen.com>
1237 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
1239 2006-02-07 Ben Elliston <bje@au.ibm.com>
1241 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
1242 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
1243 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
1244 (ix86_return_in_memory): Handle TDmode.
1245 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
1246 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
1248 2006-02-06 Richard Sandiford <richard@codesourcery.com>
1250 * reorg.c (dbr_schedule): Use dump_file instead of file.
1252 2006-02-06 Steve Ellcey <sje@cup.hp.com>
1255 * config/ia64/predicates.md (extr_len_operand): New predicate.
1256 * config/ia64/ia64.md (extv): Tighten constraints.
1258 (*tbit_and_2): Ditto.
1259 (*tbit_and_3): Ditto.
1260 (*tbit_or_2): Ditto.
1261 (*tbit_or_3): Ditto.
1265 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
1268 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
1270 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
1272 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
1273 loop_optimizer_init and loop_optimizer_finalize
1274 * tree-ssa-sink.c (execute_sink_code): Ditto.
1275 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
1276 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
1277 tree_ssa_loop_done): Ditto.
1278 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
1279 * sched-ebb.c: Include output.h.
1280 (schedule_ebbs): Do not use dump argument.
1281 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
1282 * loop.c (loop_dump_stream): Removed.
1283 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
1285 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
1286 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
1287 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
1288 loop_iterations, strength_reduce, record_biv, record_giv,
1289 final_giv_value, check_final_value, check_ext_dependent_givs,
1290 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
1291 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
1292 dump_file instead of loop_dump_stream.
1293 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
1295 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
1297 * flow.c (life_analysis, rest_of_handle_life): Ditto.
1298 * haifa-sched.c: Include output.h
1299 (schedule_insns, sched_init): Do not use dump argument.
1300 * mode-switching.c (optimize_mode_switching): Ditto.
1301 * modulo-sched.c (stats_file): Removed.
1302 (print_node_sched_params): Do not call argument dump_file.
1303 (sms_schedule_by_order, loop_canon_p, sms_schedule,
1304 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
1306 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
1308 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
1309 rtl_loop_init, rtl_loop_done): Ditto.
1310 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
1311 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
1313 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
1314 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
1315 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
1316 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
1317 * emit-rtl.c (renumber_insns): Ditto.
1318 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
1319 expand_gimple_basic_block, tree_expand_cfg): Ditto.
1320 * regclass.c (regclass): Ditto.
1321 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
1322 remove_ssa_form, rewrite_out_of_ssa): Ditto.
1323 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
1324 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
1326 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
1327 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
1329 * gcse.c (gcse_file, debug_stderr): Removed.
1330 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
1331 rest_of_handle_gcse): Do not use dump argument.
1332 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
1333 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
1334 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
1335 compute_code_hoist_vbeinout, compute_code_hoist_data,
1336 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
1337 compute_store_table, build_store_vectors, insert_insn_start_bb,
1338 insert_store, remove_reachable_equiv_notes, replace_store_insn,
1339 store_motion): Use dump_file instead of gcse_file.
1340 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
1341 * profile.c (profile_dump_file): Removed.
1342 (branch_prob): Use dump_file instead of profile_dump_file.
1343 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
1345 * tree-ssa-copy.c (dump_copy_of): Ditto.
1346 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
1347 dump file to life_analysis.
1348 * bt-load.c (branch_target_load_optimize): Ditto.
1349 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
1351 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
1352 regclass, dbr_schedule): Declaration changed.
1353 * sched-int.h (sched_init): Declaration changed.
1354 * tree-profile.c (tree_profile_dump_file): Removed.
1355 (tree_profile_hooks): Removed profile_dump_file hook.
1356 * rtl-profile (rtl_profile_dump_file): Removed.
1357 (rtl_profile_hooks): emoved profile_dump_file hook.
1358 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
1360 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
1361 * tree-cfg.c (build_tree_cfg): Ditto.
1362 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
1363 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
1364 Declaration changed.
1365 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
1366 life_analysis and schedule_insns.
1367 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
1369 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
1371 * config/mips/mips.c (mips_reorg): Ditto.
1372 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
1375 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
1377 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
1378 (s390_mangle_fundamental_type): New.
1379 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
1382 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
1383 (alpha_mangle_fundamental_type): New.
1384 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
1387 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
1389 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
1391 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
1392 (sparc_mangle_fundamental_type): New.
1394 2006-02-06 Jakub Jelinek <jakub@redhat.com>
1396 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
1397 (s390x-*-linux*): Likewise.
1398 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
1399 * config/s390/t-linux: New file.
1401 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
1403 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
1404 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
1406 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
1408 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
1409 (ANTIC_SAFE_LOADS): New macro.
1410 (find_or_generate_expression): Add prototype.
1411 (set_contains_value): Allow null set for sake of not always having
1412 to allocate ANTIC_SAFE_LOADS.
1413 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
1414 Allow COMPONENT_REF too.
1415 (valid_in_set): Allow COMPONENT_REF.
1416 Check ANTIC_SAFE_LOADS too.
1417 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
1418 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
1420 (can_PRE_operation): Add COMPONENT_REF.
1421 (create_component_ref_by_pieces): New function.
1422 (create_expression_by_pieces): Use create_component_ref_by_pieces.
1423 (insert_aux): Move AGGREGATE_TYPE_P check here.
1424 (compute_avail): Set bb local stmt uids.
1425 (pass_pre): Use TODO_update_ssa_only_virtuals.
1427 2006-02-06 Ben Elliston <bje@au.ibm.com>
1429 * configure.ac: Unconditionally disable decimal float by default.
1430 * configure: Regenerate.
1432 2006-02-06 Ben Elliston <bje@au.ibm.com>
1434 * read-rtl.c (read_name): Terminate reading on EOF.
1436 2006-02-06 Ben Elliston <bje@au.ibm.com>
1438 * dfp.c (decimal_real_arithmetic): Change second argument type
1439 from int to enum tree_code. Do not always return true, but now
1440 return result of any call to decimal_do helper functions.
1441 * dfp.h (decimal_real_arithmetic): Update prototype.
1443 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
1445 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
1447 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
1450 * tree-cfg.c (cleanup_dead_labels): Also don't remove
1453 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
1455 * tree-vrp.c (cfg_loops): Removed.
1456 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
1457 Use current_loops instead of cfg_loops. Pass flags to
1458 loop_optimizer_init.
1459 * cfgloopmanip.c (fix_loop_structure): Update only available
1461 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
1462 loop_optimizer_init.
1463 * modulo-sched.c (build_loops_structure): Removed.
1464 (sms_schedule): Use loop_optimizer_init.
1465 * loop-init.c (loop_optimizer_init): Use flags to determine
1466 which properties of loops to prepare.
1467 (rtl_loop_init): Pass flags to loop_optimizer_init.
1468 * tree-ssa-sink.c (execute_sink_code): Ditto.
1469 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
1470 * tree-ssa-pre.c (init_pre): Ditto.
1471 * cfgloop.h (LOOPS_NORMAL): New.
1472 (loop_optimizer_init): Declaration changed.
1474 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1476 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
1477 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
1479 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
1481 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
1483 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
1484 * pa/t-pa64: Delete quadlib.c rule.
1485 * pa/x-ada: Revert last change.
1486 * pa/t-pa: Revert last change. Delete quadlib.c rule.
1488 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
1490 PR rtl-optimization/26087
1491 * rtlanal.c (canonicalize_condition): Do not cross basic block
1494 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
1497 * config/ia64/ia64.c: Include debug.h.
1498 (MAX_ARTIFICIAL_LABEL_BYTES): New.
1499 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
1500 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
1501 (process_epilogue, process_set, process_for_unwind_directive):
1502 Output unwind info only if requested. Add CFA info if requested.
1503 Add new arguments as needed. Adjust callers.
1504 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
1506 (DWARF2_FRAME_INFO): Define to zero.
1507 * config/ia64/unwind-ia64.c: Remove code that compensated for
1508 the CFA offset error fixed above.
1509 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
1510 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
1511 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
1512 -funwind-tables and -fexceptions to enable frame info.
1513 (dwarf2out_frame_init): Define initial CFA even if
1514 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
1515 DWARF2_UNWIND_INFO is nonzero, not just defined.
1516 (dwarf2out_frame_finish): Output non-EH call frame info only
1517 if DWARF2_FRAME_INFO is nonzero.
1518 (convert_cfa_to_loc_list,
1519 compute_frame_pointer_to_cfa_displacement): Define even if
1520 unwind info is not supported.
1521 (gen_subprogram_die): Use the above unconditionally. Remove
1522 legacy alternate code.
1523 * toplev.c (compile_file): Compile in call to
1524 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
1525 (lang_dependent_init): Ditto for dwarf2out_frame_init.
1527 2006-02-04 David Edelsohn <edelsohn@gnu.org>
1528 Jakub Jelinek <jakub@redhat.com>
1530 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
1531 IBM extended float format long double as "g" on powerpc*-linux.
1533 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1536 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
1537 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
1539 2006-02-03 Jason Merrill <jason@redhat.com>
1542 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
1545 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
1546 on the return slot if it's an NRV.
1548 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
1550 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
1551 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
1552 rewrite_use): Do not handle USE_OUTER.
1553 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
1554 add_iv_outer_candidates, may_replace_final_value,
1555 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
1556 (find_interesting_uses_op): Functionality of
1557 find_interesting_uses_outer_or_nonlin moved here.
1558 (find_interesting_uses_outside): Use find_interesting_uses_op.
1560 2006-02-03 Alan Modra <amodra@bigpond.net.au>
1563 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
1565 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
1566 Ulrich Weigand <uweigand@de.ibm.com>
1569 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
1570 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
1571 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
1572 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
1574 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
1575 (s390_rtx_costs): Use the new fields to calculate rtx costs.
1576 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
1577 Define secondary reloads for TFmode moves.
1578 (constant_modes): Add TFmode.
1579 (NR_C_MODES): Set to 8.
1580 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
1582 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
1583 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
1584 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
1585 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
1586 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
1587 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
1588 (FPR mode macro): Add TFmode.
1589 (DSF mode macro): New.
1590 (<de>, <dee> mode attributes): Removed.
1591 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
1592 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
1593 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
1594 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
1595 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
1596 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
1597 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
1598 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
1599 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
1600 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
1601 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
1602 "*negabs<mode>2", "sqrt<mode>2"):
1603 Changed <de> to <xde>. R constraint replaced by <Rf>.
1604 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
1606 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
1607 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
1608 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
1610 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
1611 "extenddftf2", "extendsftf2"): New expanders.
1612 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
1613 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
1614 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
1615 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
1617 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
1618 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
1619 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
1620 __floatditf): Add a GCC_4.1.0 symbol version tag.
1621 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
1624 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
1627 * config/i386/i386.c (ix86_function_ok_for_sibcall):
1628 Use targetm.binds_local_p instead of TREE_PUBLIC.
1630 2006-02-02 Roger Sayle <roger@eyesopen.com>
1632 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
1633 on INTEGER_TYPEs to indicate that it denotes a character type.
1634 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
1635 signed_char_type_node, unsigned_char_type_node and char_type_node.
1636 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
1637 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
1638 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
1640 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
1641 Daniel Berlin <dberlin@dberlin.org>
1643 * tree-tailcall.c (arg_needs_copy_p): New function.
1644 (eliminate_tail_call): Use arg_needs_copy_p.
1645 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
1646 (add_virtual_phis): New function.
1648 2006-02-02 Jakub Jelinek <jakub@redhat.com>
1650 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
1651 #ignore instead of #scratch for %g7 .register directive.
1653 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
1655 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
1658 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
1660 * flow.c (calculate_global_regs_live): Assert that there aren't any
1663 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
1665 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
1667 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
1668 bsi_after_labels iterator.
1669 * tree-if-conv.c (find_phi_replacement_condition,
1670 replace_phi_with_cond_modify_expr): Likewise.
1671 * tree-scalar-evolution.c (scev_const_prop): Likewise.
1672 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
1674 2006-02-02 Diego Novillo <dnovillo@redhat.com>
1676 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
1678 2006-02-02 Diego Novillo <dnovillo@redhat.com>
1681 * tree-cfg.c (move_block_to_fn): Clear out the basic block
1682 array after growing it.
1684 2006-02-01 Steve Ellcey <sje@cup.hp.com>
1687 * fold-const.c (fold_checksum_tree): Change type of buf.
1689 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
1691 * reload.c (push_secondary_reload): Initialize t_icode.
1693 2006-02-01 Jakub Jelinek <jakub@redhat.com>
1695 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
1696 -msoft-float -mlong-double-128 only issue a warning, but don't
1697 swich to DFmode long double.
1699 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
1701 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
1702 has a constant equivalent, iterate over equivalents for arg0,
1703 calling simplify_relational_operation and if there's a result
1704 cheaper than X, apply fold_rtx and return the result.
1706 2006-02-01 Jan Hubicka <jh@suse.cz>
1708 * opts.c (no_unit_at_a_time_default): New global variable.
1709 (decode_options): Use it.
1710 * opts.h (no_unit_at_a_time_default): Declare.
1712 2006-02-01 Paul Brook <paul@codesourcery.com>
1714 * function.c (assign_parm_setup_reg): Use function argument promotion
1716 * expr.c (expand_expr_real_1): Use function argument promotion rules
1719 2006-02-01 Steve Ellcey <sje@cup.hp.com>
1721 * gcc.c (process_command): Change j to 'unsigned int'.
1723 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
1726 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
1727 Use the corrected index for the character
1728 out of the string constant.
1730 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
1732 * mode-switching.c (optimize_mode_switching): Fix size
1733 allocated for bb_info[n_entities].
1735 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
1737 * gcc.c (main): Correct type that is allocated for
1738 explicit_link_files.
1740 2006-01-31 Jakub Jelinek <jakub@redhat.com>
1742 * config/s390/s390.c (init_alignment_context): Set
1743 ALIAS_SET_MEMORY_BARRIER on the MEM.
1744 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
1746 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
1749 * loop-unroll.c (unroll_loop_runtime_iterations): Free
1751 * tree-ssa-live.c (type_var_init): Allocate bitmap after
1754 2006-01-31 Marcin Dalecki <martin@dalecki.de>
1756 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
1757 * regrename.c: Ditto.
1758 * tree-ssa-loop-im.c: Ditto.
1759 * tree-dump.c: Ditto.
1760 * tree-complex.c: Ditto.
1761 * genrecog.c: Ditto.
1762 * tree-ssa-threadupdate.c: Ditto.
1764 * java/class.c: Ditto.
1765 * java/jcf-parse.c: Ditto.
1766 * java/resource.c: Ditto.
1767 * java/except.c: Ditto.
1768 * java/jvspec.c: Ditto.
1769 * java/jcf-write.c: Ditto.
1770 * java/jcf-path.c: Ditto.
1771 * java/gjavah.c: Ditto.
1772 * java/zextract.c: Ditto.
1773 * java/jcf-io.c: Ditto.
1774 * java/jcf.h: Ditto.
1775 * java/buffer.c: Ditto.
1776 * java/lang.c: Ditto.
1777 * java/parse-scan.y: Ditto.
1778 * java/lex.c: Ditto.
1779 * java/lex.h: Ditto.
1780 * cfgloopmanip.c: Ditto.
1781 * postreload-gcse.c: Ditto.
1782 * tree-ssa-loop-manip.c: Ditto.
1783 * postreload.c: Ditto.
1784 * tree-ssa-loop-ch.c: Ditto.
1788 * diagnostic.c: Ditto.
1790 * genoutput.c: Ditto.
1792 * cfghooks.c: Ditto.
1793 * cfgloopanal.c: Ditto.
1794 * objc/objc-act.c: Ditto.
1796 * genextract.c: Ditto.
1797 * genautomata.c: Ditto.
1798 * pretty-print.c: Ditto.
1800 * cgraphunit.c: Ditto.
1803 * haifa-sched.c: Ditto.
1804 * dominance.c: Ditto.
1806 * tree-ssa-loop-ivopts.c: Ditto.
1808 * mode-switching.c: Ditto.
1809 * modulo-sched.c: Ditto.
1811 * ipa-pure-const.c: Ditto.
1813 * fix-header.c: Ditto.
1815 * tree-stdarg.c: Ditto.
1816 * ipa-utils.c: Ditto.
1817 * loop-init.c: Ditto.
1818 * ipa-inline.c: Ditto.
1821 * alloc-pool.c: Ditto.
1822 * dwarf2out.c: Ditto.
1824 * genattrtab.c: Ditto.
1825 * tree-ssa-loop-ivcanon.c: Ditto.
1829 * fortran/gfortranspec.c: Ditto.
1831 * local-alloc.c: Ditto.
1832 * langhooks.c: Ditto.
1833 * function.c: Ditto.
1834 * tree-vectorizer.c: Ditto.
1836 * ipa-type-escape.c: Ditto.
1838 * tree-if-conv.c: Ditto.
1841 * tree-data-ref.c: Ditto.
1842 * loop-unroll.c: Ditto.
1843 * treelang/treetree.c: Ditto.
1846 * ggc-common.c: Ditto.
1848 * coverage.c: Ditto.
1850 * tree-cfgcleanup.c: Ditto.
1851 * tree-ssa-pre.c: Ditto.
1852 * cfgcleanup.c: Ditto.
1853 * loop-invariant.c: Ditto.
1855 * ipa-prop.c: Ditto.
1856 * print-tree.c: Ditto.
1857 * conflict.c: Ditto.
1858 * ggc-page.c: Ditto.
1859 * sched-deps.c: Ditto.
1860 * regclass.c: Ditto.
1861 * tree-object-size.c: Ditto.
1863 * bb-reorder.c: Ditto.
1864 * resource.c: Ditto.
1865 * var-tracking.c: Ditto.
1867 * df-problems.c: Ditto.
1868 * reg-stack.c: Ditto.
1871 * sched-rgn.c: Ditto.
1872 * tree-ssa-structalias.c: Ditto.
1873 * tree-ssa-reassoc.c: Ditto.
1874 * config/darwin-c.c: Ditto.
1875 * config/darwin.c: Ditto.
1876 * config/arm/arm.c: Ditto.
1878 * collect2.c: Ditto.
1881 2006-01-31 Nicolas Pitre <nico@cam.org>
1883 * arm.md (smaxsi3): Make aware of smax_m1.
1886 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
1888 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
1890 2006-01-31 Richard Guenther <rguenther@suse.de>
1892 * doc/invoke.texi (-msselibm): Document.
1893 * target.h (expand_library_builtin): New target hook.
1894 * builtins.c (expand_builtin): Use expand_library_builtin.
1895 (default_expand_library_builtin): New function.
1896 * gcc.c (LINK_GCC_MATH_SPEC): Define.
1897 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
1898 (link_gcc_math_spec): Declare.
1899 (static_specs): Add link_gcc_math_spec.
1900 * expr.h (default_expand_library_builtin): Declare.
1901 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1902 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
1903 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
1904 * config/i386/i386.opt (msselibm): New target option.
1905 * config/i386/i386.c (ix86_builtin_function_variants): New array.
1906 (ix86_init_sse_abi_builtins): New function.
1907 (ix86_expand_library_builtin): Likewise.
1908 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1909 (override_options): Handle error conditions wrt -msselibm.
1910 (ix86_builtins): Add function codes for SSE2 ABI builtins.
1911 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
1912 * doc/extend.texi (__builtin_sse2_*): Document new target specific
1915 2006-01-31 Richard Guenther <rguenther@suse.de>
1916 Paolo Bonzini <bonzini@gnu.org>
1918 * doc/install.texi (--disable-libgcc-math): Document.
1920 2006-01-30 Marcin Dalecki <martin@dalecki.de>
1922 * expr.h (expand_normal): new inline function.
1923 * builtins.c: use it, use EXPAND_NORMAL explicitely.
1925 * dwarf2out.c: use it.
1930 * config/sparc/sparc.c: use it.
1931 * config/i386/i386.c: use it.
1932 * config/rs6000/rs6000.c: use it.
1933 * config/arm/arm.c: use it.
1934 * config/mips/mips.c: use it.
1935 * stmt.c: use it, use EXPAND_NORMAL explicitely.
1937 2006-01-30 Roger Sayle <roger@eyesopen.com>
1939 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
1940 argv to the appropriate type.
1942 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
1944 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
1947 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
1950 * config/s390/s390.c (struct machine_function): New flag
1951 decomposed_literal_pool_addresses_ok_p.
1952 (s390_reorg): Set it before final stage of literal pool transforms.
1953 (s390_decompose_address): Only accept displacements of the form
1954 (minus (label_ref ...) (label_ref ...)) if that flag is set.
1956 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
1958 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
1959 the comparison routine return.
1961 2006-01-30 Michael Matz <matz@suse.de>
1963 * global.c (find_reg): Only evict for global regs.
1964 Take n_refs into account and dump more info.
1966 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
1969 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
1970 (pragma_trap, pragma_nosave_low_regs): Likewise.
1971 (current_function_anonymous_args): Likewise.
1972 (sh_deferred_function_attributes): New variable.
1973 (sh_deferred_function_attributes_tail): Likewise.
1974 (print_operand): For '@', look up trap_exit attribute.
1975 (calc_live_regs): Look up trapa_handler attribute. For trapa
1976 handlers, save/restore fpscr, but don't do any other
1977 interrupt-specific saves.
1978 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
1979 Fix check for partially saved registers to check for SHmedia.
1980 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
1981 (sh_output_function_epilogue): Don't clear any of the removed
1983 (sh_insert_attributes): Don't check pragma_interrupt.
1984 Insert deferred attributes. Check that interrupt attribute is
1985 present for other attributes that require its presence.
1986 (sh_attribute_table): Add new attributes trapa_handler and
1988 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
1989 Don't check for pragma_interrupt. Don't store argument.
1990 * sh.h (pragma_interrupt, sp_switch): Don't declare.
1991 (sh_deferred_function_attributes): Declare.
1992 (sh_deferred_function_attributes_tail): Likewise.
1993 * sh.md (sp_switch_1): Add operand. Change generator caller.
1994 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
1995 (*return_i): Don't use when trap_exit attribute is in effect.
1996 (*return_trapa): New insn pattern.
1998 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
1999 setting c_target_objs and cxx_target_objs.
2000 * t-sh: Add rule for sh-c.o.
2002 2006-01-30 Richard Guenther <rguenther@suse.de>
2005 * gimplify.c (gimplify_target_expr): Handle easy cases
2006 without creating a temporary.
2008 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
2010 * vec.h (safe_grow): Remove duplicated line.
2012 2006-01-29 Diego Novillo <dnovillo@redhat.com>
2015 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
2016 (expand_omp): ... here.
2017 (expand_omp_parallel): Only remove barriers for combined
2018 parallel+workshare constructs.
2020 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
2024 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
2025 * tree.c (build_qualified_type): Chain the new type to the original
2026 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
2027 a POINTER_TYPE or a REFERENCE_TYPE respectively.
2028 (build_pointer_type_for_mode): Only return unqualified types.
2029 (build_reference_type_for_mode): Likewise.
2031 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
2033 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
2034 * Makefile.in (CXX_COMPAT_WARN): Define.
2035 * configure: Regenerate.
2037 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
2040 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
2043 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
2045 * toplev.c: Fix thinko.
2047 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
2048 Marcin Dalecki <martin@dalecki.de>
2050 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
2051 (push_srcloc): Use XNEW.
2052 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
2054 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
2056 * df-core.c (df_set_blocks): Deleted all variable.
2058 2006-01-28 Ian Lance Taylor <ian@airs.com>
2060 * cgraphunit.c (cgraph_assemble_pending_functions): Call
2061 cgraph_output_pending_asms.
2063 2006-01-28 Zack Weinberg <zackw@panix.com>
2065 * c.opt: Add -W(no-)overlength-strings.
2066 * doc/invoke.texi: Document it.
2067 * c-opts.c (c_common_handle_option): -pedantic implies
2068 -Woverlength-strings, if not explicitly disabled already.
2069 (c_common_post_options): -Woverlength-strings defaults to off, and
2070 is always off for C++.
2071 * c-common.c (fix_string_type): Issue warning about strings longer
2072 than is portable only if warn_overlength_strings. Rearrange code
2073 a little for clarity.
2074 * configure.in: Check for -Wno-overlength-strings as well before
2075 enabling -pedantic in stage 1.
2076 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
2077 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
2079 * genconditions.c (write_header, write_one_condition)
2080 (write_conditions, write_writer): Consolidate very long strings
2081 that were broken up to fit in C89 portable limit. Don't use
2082 printf when fputs will do.
2084 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
2086 * combine.c (simplify_comparison <AND>): Check
2087 TRULY_NOOP_TRUNCATION before start using a subreg.
2089 * config/mips/mips.md (*branch_zero<mode>,
2090 *branch_zero<mode>_inverted, *branch_equality<mode>,
2091 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
2092 Remove mode check from comparisons.
2094 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
2096 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
2098 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
2100 * expmed.c (const_mult_add_overflow_p): Remove.
2101 * expr.h: Remove the prototype for const_mult_add_overflow_p.
2103 * recog.c (validate_replace_rtx_subexp): Remove.
2104 * recog.h: Remove the prototype for
2105 validate_replace_rtx_subexp.
2107 * integrate.h: Remove the prototype for
2108 copy_decl_for_inlining.
2109 * rtl.h: Remove the prototype for mark_constant_function.
2110 * tree-vectorizer.h: Remove the prototype for
2111 vect_strip_conversion.
2113 * modulo-sched.c (create_partial_schedule,
2114 free_partial_schedule, reset_partial_schedule): Make them
2117 * hooks.c (hook_bool_rtx_int_false): Remove.
2118 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
2120 2006-01-28 David Edelsohn <edelsohn@gnu.org>
2122 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
2123 and -mlong-double-128 are incompatible.
2124 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
2125 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
2126 (TARGET_LIBGCC2_CFLAGS): Define.
2127 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
2128 (TARGET_LIBGCC2_CFLAGS): Same.
2129 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
2131 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
2134 * c-typeck.c (build_binary_op): Perform implicit casts of
2135 operands before shortening them.
2137 * cfgloopmanip.c (split_loop_bb): Remove.
2138 * cfgloop.h: Remove the prototype for split_loop_bb.
2140 * cfgloop.c (flow_loop_outside_edge_p): Remove.
2141 * cfgloop.h: Remove the prototype for
2142 flow_loop_outside_edge_p.
2144 * emit-rtl.c (init_virtual_regs): Make it static.
2145 * function.h: Remove the prototype for init_virtual_regs.
2147 * recog.c (peephole2_optimize): Make it static.
2148 * recog.h: Remove the prototype for peephole2_optimize.
2150 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
2152 * df-scan.c (df_record_entry_block_defs): Check if
2153 INCOMING_RETURN_ADDR_RTX is defined.
2155 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
2156 Kenneth Zadeck <zadeck@naturalbridge.com>
2158 PR rtl-optimization/24762
2159 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
2160 * targhooks.c (hook_void_bitmap): New hook prototype.
2161 * targhoohs.h (hook_void_bitmap): Ditto.
2162 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
2163 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
2164 * target.h (live_on_entry): New function pointer.
2165 * df-scan.c (df_all_hard_regs): Removed.
2166 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
2167 (df_scan_free_internal): Added df->entry_block_defs.
2168 (df_scan_alloc): Ditto.
2169 (df_scan_dump): Ditto.
2170 (df_uses_record): Plumbed flag field properly thru calls.
2171 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
2172 This part fixes PR24762.
2173 (df_bb_refs_record): Added code to make the frame and arg
2174 pointers live in EH blocks.
2175 (df_refs_record): Added call to df_record_entry_block_defs.
2176 (df_record_entry_block_defs): New function.
2177 * df-core.c: Added comments to describe new artifical defs.
2178 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
2179 (entry_block_defs): New field in struct df.
2180 (df_all_hard_regs): Deleted.
2181 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
2182 * df-problems.c (df_ru_bb_local_compute_process_def):
2183 Added code to handle artifical defs in the entry to a function.
2184 (df_ru_bb_local_compute): Ditto.
2185 (df_rd_bb_local_compute_process_def): Ditto.
2186 (df_rd_bb_local_compute): Ditto.
2187 (df_lr_bb_local_compute): Ditto.
2188 (df_ur_bb_local_compute): Ditto.
2189 (df_urec_bb_local_compute): Ditto.
2190 (df_chain_create_bb): Ditto.
2191 (df_ur_local_finalize): Removed entry.
2192 (df_urec_init): Ditto.
2193 (df_urec_local_finalize): Ditto.
2194 (df_ri_bb_compute): Added detection of last use of pseudos.
2195 * Makefile.in (df-scan.o): Updated dependencies.
2196 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
2197 * config/mips/mips.c (mips_set_live_on_entry): Added.
2198 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
2200 * dce.c (marked_insn_p): Added code to handle artifical defs.
2202 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
2204 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
2206 (_mm_cvtsi128_si64): Likewise.
2207 (_mm_cvtsd_si64): Likewise.
2208 (_mm_cvttsd_si64): Likewise.
2209 (_mm_cvtsi64_sd): Likewise.
2210 (_mm_cvtsi64_si128): Likewise.
2211 * config/i386/mmintrin.h (_m_from_int64): Likewise.
2212 (_mm_cvtsi64_m64): Likewise.
2213 (_m_to_int64): Likewise.
2214 (_mm_cvtm64_si64): Likewise.
2215 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
2216 (_mm_cvttss_si64): Likewise.
2217 (_mm_cvtsi64_ss): Likewise.
2218 (_mm_cvtss_f32): Likewise.
2220 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
2222 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
2223 for pragma redefine_extname.
2225 2006-01-27 Jakub Jelinek <jakub@redhat.com>
2228 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
2229 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
2230 -mno-minimal-toc to previous content.
2231 (bispecs): Remove goal.
2232 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
2233 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
2234 compatibility aliases on powerpc-*-*gnu*.
2235 * config/rs6000/libgcc-ppc-glibc.ver: New file.
2236 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
2237 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
2238 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
2239 (ldblspecs): New goal.
2240 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
2241 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
2243 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
2244 L_sf_to_tf or L_df_to_tf is defined.
2246 2006-01-27 David Edelsohn <edelsohn@gnu.org>
2247 Alan Modra <amodra@bigpond.net.au>
2250 * config/rs6000/linux.h (POWERPC_LINUX): Define.
2251 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
2252 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
2253 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
2254 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
2255 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
2256 (rs6000_override_options): Initialize rs6000_ieeequad.
2257 Initialize TFmode format to ibm_extended_format if not
2259 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
2261 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
2262 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
2263 (function_arg_advance): IBM long double passed in two FPRs, not
2265 (function_arg): IBM long double passed in FPRs.
2266 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
2267 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
2268 Only multireg GPR aligned.
2269 (rs6000_init_libfuncs): Enable IBM long double functions if not
2271 (rs6000_generate_compare): Use IBM long double compare if not
2273 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
2274 (TARGET_IEEEQUAD): Define.
2275 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
2276 not TARGET_IEEEQUAD.
2277 * config/rs6000/rs6000.md: Enable TFmode patterns if
2279 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
2280 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
2281 and -mlong-double-128 are incompatible.
2282 * doc/invoke.texi (-mabi): Collect options together. Add
2283 ibmlongdouble and ieeelongdouble.
2285 2006-01-27 Richard Sandiford <richard@codesourcery.com>
2287 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
2289 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
2290 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
2291 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
2292 * rtl.h (rtunion_def): Remove rt_ptr.
2294 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
2295 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
2296 * config/i386/winnt.c (i386_pe_mark_dllexport)
2297 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
2299 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
2301 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
2303 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
2307 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
2308 pthread_key_delete. From John David Anglin. gthrw-ify
2309 pthread_getunique_np only if it it's not a macro. Delete
2311 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
2312 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
2313 __gthread_objc_condition_signal, __gthread_key_delete): Add
2314 "__attribute__ ((__unused__))" to unused arguments.
2315 (__gthread_recursive_mutex_init_function): Add missing return.
2316 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
2317 gthr-posix95.h: Use macro-based approach for name redirection
2318 on targets missing weakref.
2320 2006-01-26 Zack Weinberg <zackw@panix.com>
2322 * genconditions.c (write_header): In generated code, #ifdef out
2323 all includes and fake declarations, except includes of bconfig.h
2324 and system.h, unless GCC_VERSION >= 3001. Do not include
2325 gensupport.h in any case.
2326 (write_conditions): Generate a definition of struct c_test. Add
2327 a comment to the generated #endif.
2328 (write_one_condition): Escape backslashes in string too.
2329 (write_writer): Generated code must escape backslashes and quote
2330 marks (but not newlines) in the strings it writes.
2331 * Makefile.in (build/gencondmd.o): Update dependencies.
2333 2006-01-26 Steve Ellcey <sje@cup.hp.com>
2336 * Makefile.in (insn-automata.o): Add header file dependencies.
2337 * genautomata.c: Add includes.
2339 2006-01-26 Steve Ellcey <sje@cup.hp.com>
2342 * Makefile.in (insn-automata.o): Add -Wno-error flag.
2344 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
2346 * configure.ac: Expect target tools paths to be passed from the toplevel
2347 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
2349 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
2351 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
2354 * c.opt (Wpointer-sign): Init to -1.
2355 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
2356 OPT_pedantic, to 0 otherwise.
2357 * doc/invoke.texi: Update.
2359 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
2361 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
2362 constants provided by 80387 instructions in the destination mode.
2364 2006-01-26 Richard Guenther <rguenther@suse.de>
2365 Andrew Pinski <pinskia@physics.uc.edu>
2368 partial PR tree-opt/17064
2369 * tree-ssa-structalias.c (intra_create_variable_infos):
2370 Create heap variables for incoming parameters if
2371 flag_argument_noalias > 1.
2372 (find_what_p_points_to): Look through default defs of
2375 2006-01-26 Jeff Law <law@redhat.com>
2378 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
2379 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
2380 within the VR_RANGE, use the VR_RANGE as the result, not the
2382 (adjust_range_with_scev): Reject ranges from SCEV which are out of
2383 bounds for the type.
2385 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
2387 * tree-ssa-alias.c (maybe_create_global_var): Change
2388 subvar walking to an assertion that we don't have subvar'd variables.
2390 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
2393 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
2394 Use a new variable, inner. PARM_DECLs are always non-weak.
2396 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
2398 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
2401 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
2403 * config/mips/mips.md (*clear_upper32): New combiner pattern.
2405 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
2407 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
2408 (smax_insn, smin_insn, smax_0, smin_0): New.
2410 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
2413 * config/cris/cris.c (cris_order_for_addsi3): New function.
2414 * config/cris/cris-protos.h: Prototype it.
2415 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
2416 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
2417 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
2418 (split for "op.S1 [rx=rx+i],ry (swapped)")
2419 (split for "op(s|u).S1 [rx=rx+i],ry")
2420 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
2421 Apply cris_order_for_addsi3 when generating addsi3 insns.
2423 2006-01-25 Diego Novillo <dnovillo@redhat.com>
2425 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
2426 (TREE_BLOCK): Add call to EXPR_CHECK.
2428 2006-01-25 Diego Novillo <dnovillo@redhat.com>
2431 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
2432 * tree-pretty-print.c (dump_omp_clause): Extract from ...
2433 (dump_omp_clauses): ... here.
2434 (dump_generic_node): Handle OMP_CLAUSE.
2435 * tree.c (omp_clause_num_ops): New.
2436 (omp_clause_code_name): New.
2437 (tree_code_size): Handle OMP_CLAUSE.
2438 (tree_size): Likewise.
2439 (make_node): Document handling of OMP_CLAUSE.
2440 (tree_node_structure): Handle OMP_CLAUSE.
2441 (omp_clause_check_failed): New.
2442 (omp_clause_range_check_failed): New.
2443 (omp_clause_operand_check_failed): New.
2444 (build_omp_clause): New.
2445 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
2446 * tree.h (enum omp_clause_code): Declare.
2447 (OMP_CLAUSE_SUBCODE_CHECK): Define.
2448 (OMP_CLAUSE_RANGE_CHECK): Define.
2449 (OMP_CLAUSE_ELT_CHECK): Define.
2450 (omp_clause_check_failed): Declare.
2451 (omp_clause_operand_check_failed): Declare.
2452 (omp_clause_range_check_failed): Declare.
2453 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
2454 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
2455 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
2456 (OMP_CLAUSE_LASTPRIVATE): Likewise.
2457 (OMP_CLAUSE_IF_EXPR): Likewise.
2458 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
2459 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
2460 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
2461 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
2462 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
2463 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
2464 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
2465 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
2466 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
2467 (OMP_CLAUSE_CODE): Define.
2468 (OMP_CLAUSE_SET_CODE): Define.
2469 (OMP_CLAUSE_CODE): Define.
2470 (OMP_CLAUSE_OPERAND): Define.
2471 (struct tree_omp_clause): Declare.
2472 (union tree_node): Add field 'omp_clause'.
2473 * treestruct.def (TS_OMP_CLAUSE): Define.
2474 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
2475 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
2476 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
2477 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
2478 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
2479 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
2480 (OMP_CLAUSE): Define.
2481 * print-tree.c (print_node): Handle OMP_CLAUSE.
2482 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
2483 * c-typeck.c: Likewise.
2484 * gimplify.c: Likewise.
2485 * c-omp.c: Likewise.
2486 * tree-nested.c: Likewise.
2487 * tree-inline.c: Likewise.
2488 * c-parser.c: Likewise.
2489 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
2492 2006-01-25 Roger Sayle <roger@eyesopen.com>
2494 PR rtl-optimization/25703
2495 * combine.c (try_combine): Handle zero_extract and strict_low_part
2496 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
2498 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
2500 * global.c: Fix comment typos.
2502 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
2505 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
2506 Use output_addr_const instead of assemble_name.
2508 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
2510 * Makefile.in (sched-vis.o): Update dependencies.
2511 * haifa-sched.c (sched_finish): Clear current_sched_info.
2512 * cfg.c (dump_bb_info): New, split from dump_flow_info.
2513 (dump_flow_info): Call it.
2514 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
2516 * basic-block.h (dump_bb_info): Declare.
2517 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
2518 option, and apply options only for dump files whose TDF_RTL,
2519 TDF_TREE, or TDF_IPA bits match.
2520 * rtl.h: Declare new functions exported from sched-vis.c.
2521 * sched-vis.c: Enable also if scheduling is not used.
2522 (print_value): Print the mode of registers if not inside scheduling.
2523 (print_insn): Make it work outside the scheduler. Beautify the output
2525 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
2527 2006-01-25 Richard Sandiford <richard@codesourcery.com>
2529 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
2530 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
2531 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
2532 depending on the value of CONSTANT_POOL_ADDRESS_P.
2533 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
2535 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
2536 rather than SYMBOL_REF_DECL.
2537 (rtx_constant_pool): Remove const_rtx_sym_htab.
2538 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
2539 (init_varasm_status): Don't initialize const_rtx_sym_htab.
2540 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
2541 Remove handling of const_rtx_sym_htab.
2542 (find_pool_constant): Delete.
2543 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
2544 rather than find_pool_constant.
2545 (get_pool_constant_for_function): Delete.
2546 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
2548 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
2549 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
2550 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
2551 (SYMBOL_REF_CONSTANT): New macro.
2552 (get_pool_constant_for_function): Delete.
2553 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
2554 rather than SYMBOL_REF_DECL.
2555 (i386_pe_mark_dllimport): Likewise.
2556 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
2557 rather than SYMBOL_REF_DECL.
2558 * config/darwin.c (machopic_indirect_data_reference): Likewise.
2559 (machopic_indirect_call_target): Likewise.
2561 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
2563 * flow.c (delete_noop_moves): Add missing EOL to dump message.
2565 2006-01-25 Richard Sandiford <richard@codesourcery.com>
2567 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
2569 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
2571 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
2573 2006-01-24 David Daney <ddaney@avtrex.com>
2576 * configure.ac (enable_tls): New enable option.
2577 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
2578 * configure: Regenerate.
2579 * doc/install.texi (--enable-tls): Document new option.
2580 (--disable-tls): Ditto.
2582 2006-01-24 Richard Henderson <rth@redehat.com>
2584 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
2585 * alias.c (true_dependence): Respect it.
2586 (canon_true_dependence, write_dependence_p): Likewise.
2587 * builtins.c (get_builtin_sync_mem): Set it.
2589 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
2591 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
2594 2006-01-24 DJ Delorie <dj@redhat.com>
2596 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
2597 for storing constants in single-bit bitfields.
2599 2006-01-25 Ben Elliston <bje@au.ibm.com>
2601 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
2603 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
2606 * tree-ssa-pre.c (phi_translate): Return NULL
2607 for AGGREGATE_TYPE's.
2609 2006-01-24 Zack Weinberg <zackw@panix.com>
2611 * genautomata.c (process_state_for_insn_equiv_partition):
2612 Use xcalloc for insn_arcs_array.
2613 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
2614 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
2616 2006-01-24 Richard Henderson <rth@redhat.com>
2618 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
2621 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
2623 PR rtl-optimization/25890
2624 PR rtl-optimization/25905
2625 * combine.c (expand_compound_operation, expand_field_assignment):
2626 Fail if the bitfield's final position is out of bounds.
2628 2006-01-24 Ian Lance Taylor <ian@airs.com>
2631 * cgraphunit.c (cgraph_output_in_order): Don't clear
2632 cgraph_asm_nodes until after asm strings have been output.
2634 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
2636 * fix-header.c (read_scan_file): Add new parameter imultilib when
2637 calling register_include_chains.
2639 2006-01-23 Diego Novillo <dnovillo@redhat.com>
2641 * omp-low.c: Update documentation.
2643 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
2644 Daniel Berlin <dberlin@dberlin.org>
2648 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
2649 return from the function.
2651 2006-01-22 Zack Weinberg <zackw@panix.com>
2653 * rtl.def (match_code): Add second argument.
2654 * genpreds.c (write_extract_subexp): New function.
2655 (write_match_code): Add path argument. Use write_extract_subexp.
2656 (write_predicate_expr): Pass path to write_match_code.
2657 (mark_mode_tests): MATCH_CODE applied to a subexpression does
2658 not perform a mode test.
2659 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
2660 a subexpression does not constrain the top-level code set.
2661 * read-rtl.c (read_rtx_variadic): New function.
2662 (read_rtx_1): Use it; allow AND and IOR to be variadic.
2663 * doc/md.texi: Document new notation.
2664 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
2665 (cmpsi_operand): ... here, using new notation.
2667 2006-01-22 Zack Weinberg <zackw@panix.com>
2669 * varray.c: Remove GENERATOR_FILE #ifdefs.
2671 2006-01-22 Zack Weinberg <zackw@panix.com>
2673 * genautomata.c (output_reserved_units_table): Emit nothing if
2674 description->query_units_num is zero. Remove extra blank line.
2675 (output_cpu_unit_reservation_p): Short circuit
2676 if description->query_units_num is zero.
2678 2006-01-22 Zack Weinberg <zackw@panix.com>
2680 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
2681 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
2682 nor any of the random handful of variables that used to be necessary
2683 when this program was linked with rtlanal.o. Prune set of forward
2684 function declarations.
2685 (struct attr_desc): Remove static_p field.
2686 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
2687 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
2688 (attr_string): Do not read the character one past the length of
2690 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
2691 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
2692 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
2693 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
2694 (make_automaton_attrs): New.
2695 (main): Do not call into genautomata. Call local gen_bypass
2696 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
2697 Remove special case for insn_alts.
2698 * genautomata.c: Include gensupport.h; not genattrtab.h nor
2699 varray.h (leftover from previous change). Prune set of forward
2700 function declarations. Remove state_alts fields from all
2701 structures. Remove state_alts_table from struct automaton.
2702 Make everything except main static. Do not maintain num_dfa_decls.
2703 Do not maintain state_alts fields of various structures.
2704 (process_decls): Don't validate condexp for dm_insn_reserv decls.
2705 (add_arc): Remove state_alts argument. All callers updated.
2706 (output_reserved_units_table): Emit #ifdef here...
2707 (output_tables): ...not here. Don't generate state_alts tables.
2708 (expand_automata): Don't generate attributes.
2709 (write_automata): Don't generate state_alts functions.
2710 (main): New function.
2711 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
2712 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
2713 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
2714 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
2715 (BYPASS_P_FUNC_NAME, output_state_alts_table)
2716 (output_automata_list_state_alts_code, output_internal_state_alts_func)
2717 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
2718 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
2720 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
2721 * genattrtab.h: Delete file.
2722 * Makefile.in (OBJS-common): Add insn-automata.o.
2723 (insn-automata.o): New rule.
2724 (simple_generated_c): Add insn-automata.c.
2725 (build/genattrtab.o, build/genautomata.o): Update dependencies.
2726 (genprogmd): Add automata.
2727 (build/genattrtab): Needs no extra objects nor libraries.
2728 (build/genautomata): Needs build/vec.o and -lm.
2730 2006-01-22 Zack Weinberg <zackw@panix.com>
2732 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
2733 (output_dfa_max_issue_rate, locked_states_num): Delete.
2734 (struct automaton): Add locked_states field.
2735 (output_dead_lock_vect): Save number of locked states in
2736 automaton->locked_states. If it is zero, don't print anything.
2737 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
2738 (output_internal_dead_lock_func): Only test the dead_lock_vect
2739 for automata that have locked states.
2740 (output_statistics): Always print the number of locked states for
2741 each automaton. Calculate total number of locked states here.
2742 (write_automata): Don't call output_dfa_max_issue_rate.
2743 * genattrtab.c: Define length_unit_log as a const variable.
2744 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
2745 max_insn_queue_index const.
2746 * final.c (length_unit_log): Declare const.
2747 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
2749 2006-01-22 Zack Weinberg <zackw@panix.com>
2751 * genautomata.c: Include vec.h, not varray.h.
2752 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
2753 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
2754 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
2755 VEC_* macros operating on appropriately typed vectors, or to
2756 malloced arrays when the size is known in advance. Const-ify
2757 many char* variables and function arguments. No functional changes.
2758 * Makefile.in (build/varray.o): Delete rule.
2759 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
2760 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
2762 2006-01-22 Zack Weinberg <zackw@panix.com>
2764 * gensupport.c: Define get_insn_name and record_insn_name here.
2765 (read_md_rtx): Call record_insn_name as appropriate.
2766 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
2767 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
2768 * genpreds.c, genrecog.c: Don't define get_insn_name nor
2770 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
2771 (BUILD_VARRAY): Delete.
2772 (genprognormal): Rename genprogmd. Fold in all programs from
2773 genprognoprint; also attrtab.
2774 (build/genattrtab): Just mention genautomata.o and varray.o.
2775 Reorganize a bit, add comments to make the categories clearer.
2777 2006-01-22 Zack Weinberg <zackw@panix.com>
2779 * genconditions.c (condition_table, add_condition): Delete.
2780 (write_conditions): Don't emit n_insn_conditions nor
2781 insn_elision_unavailable. Issue the gcc version #ifdef here,
2782 inside the table, with no #else clause ...
2783 (write_header): ...not here.
2784 (write_writer): New function.
2785 (main): Don't initialize condition_table. Use add_c_test.
2787 * gensupport.c (init_md_reader_args_cb): Handle multiple input
2788 files on the command line.
2789 (maybe_eval_c_test): Don't check insn_elision_unavailable.
2790 Return -1 if there is no entry in the table, don't abort.
2791 (add_c_test, traverse_c_tests): New functions.
2792 * gensupport.h (insn_elision_unavailable, insn_conditions)
2793 (n_insn_conditions): Delete declarations.
2794 (add_c_test, traverse_c_tests): Declare.
2795 * read-rtl.c: Include gensupport.h.
2796 (read_conditions): New function.
2797 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
2798 (read_rtx_1): If we get EOF when we were looking for an initial
2799 open paren, return 0. Call read_conditions when appropriate.
2800 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
2801 dummy-conditions.o. Eliminate references to insn-conditions.o,
2802 or change them to build/gencondmd.o, as appropriate. Remove
2803 insn-constants.h from $(simple_generated_h) and insn-conditions.c
2804 from $(simple_generated_c). For all files remaining in those
2805 two lists, add insn-conditions.md to the generator command line.
2806 Give insn-constants.h/s-constants their own rules. Add rules
2807 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
2808 (build/read-rtl.o): Depend on gensupport.h.
2809 (genprognormal): Include preds.
2810 (genprogearly): Rename genprognoprint; only difference is now that
2811 they don't link with $(BUILD_PRINT).
2812 * dummy-conditions.c: Delete.
2814 2006-01-22 Zack Weinberg <zackw@panix.com>
2816 * genextract.c: Don't include insn-config.h. Do include vec.h.
2817 Declare vectors of int, char, and locstr.
2818 (locstr): New typedef.
2819 (struct extraction): Make all array fields into bare pointers.
2820 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
2821 (insn_code_number): Delete.
2822 (accum_extract): New struct.
2823 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
2824 (gen_insn): Take insn_code_number as an argument. Use an
2825 accum_extract structure instead of loading data directly into
2826 a struct extraction, and having to know how big it might get.
2827 (walk_rtx): Operate entirely on an accum_extract structure.
2828 (print_path): Avoid unnecessary use of printf.
2829 (print_header): New function, split out of main. Distinguish
2830 more carefully between an unrecognizable insn and an insn that
2831 has the code number of a define_expand.
2832 (main): Pass insn_code_number to gen_insn. Call print_header
2833 only after parsing. Avoid unnecessary use of printf.
2834 * Makefile.in (build/vec.o): New rule.
2835 (build/genextract): Depend on build/vec.o.
2836 (build/genextract.o): Don't depend on insn-config.h.
2838 2006-01-22 Zack Weinberg <zackw@panix.com>
2840 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
2841 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
2842 practical. Eliminate per-generator-program link rules.
2844 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
2847 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
2848 with a call expr to ...
2849 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
2851 2006-01-23 Richard Guenther <rguenther@suse.de>
2853 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
2854 before make_edge with conditional EDGE_TRUE_VALUE.
2856 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
2857 Jan Hubicka <jh@suse.cz>
2858 Richard Guenther <rguenther@suse.de>
2860 PR rtl-optimization/25654
2861 * cfgexpand.c (aggregate_contains_union_type): New function.
2862 (add_alias_set_conflicts): Call it. Make sure to add conflicts
2863 for structure variables that contain a union type.
2865 2006-01-23 Richard Sandiford <richard@codesourcery.com>
2867 * gengtype.c (new_structure): Return the structure.
2868 (create_option): Add an extra "next" argument.
2869 (create_field): New function.
2870 (adjust_field_rtx_def): Use create_option and create_field.
2871 Remove a now-unnecessary call to find_structure.
2872 (adjust_field_tree_def): Likewise.
2873 (note_yacc_type): Remove an unnecessary call to find_structure.
2874 * gengtype.h (new_structure): Return the structure.
2875 (create_option): Add an extra argument.
2876 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
2877 (option): Adjust calls to create_option.
2879 2006-01-22 David Edelsohn <edelsohn@gnu.org>
2881 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
2883 2006-01-22 Paul Brook <paul@codesourcery.com>
2884 Peter Barada <peter@the-baradas.com>
2886 * config/m68k/m68k.md: Add Coldfire FPU support.
2887 Define FP mode macro and associated attributes.
2888 Use it for float mode patterns.
2889 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
2890 (LIBCALL_VALUE): Use m68k_libcall_value.
2891 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
2892 (m68k_function_value): Ditto.
2893 (emit_move_sequence): Ditto.
2894 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
2895 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
2896 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
2897 (MULTILIB_EXCEPTIONS): Ditto.
2898 * config/m68k/m68k.opt: Add mcfv4e.
2899 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
2900 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
2901 (m68k_output_function_prologue): Save ColdFire FPU registers.
2902 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
2903 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
2904 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
2905 ColdFire FPU registers.
2906 (m68k_libcall_value, m68k_function_value): New functions.
2907 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
2908 (LIBCALL_VALUE): Use m68k_libcall_value.
2909 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
2910 (MASK_COLDFIRE): Add MASK_CFV4E.
2911 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
2912 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
2913 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
2914 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
2915 (GO_IF_LEGITIMATE_ADDRESS): Use it.
2916 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
2917 * doc/invoke.tex: Document -mcfv4e on m68k.
2919 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
2921 * doc/contribute.texi: Change CVS to SVN and update the corresponding
2924 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
2927 * c-opts.c (c_common_handle_option): Don't include
2928 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
2929 * doc/invoke.texi (C++ Dialect Options): Document that
2930 -Wnon-virtual-dtor is no longer included in -Wall.
2932 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
2934 * gcov.c (print_version), gcov-dump.c (print_version),
2935 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
2938 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
2940 * df-scan.c (problem_SCAN): Added NULL reset function.
2941 (df_scan_reset_blocks): Added code to call reset block function
2942 (df_bb_refs_delete) Fixed comment.
2943 (df_insn_refs_delete): Made tolerant of deleting non existent info
2944 for dataflow problems that need to be reset.
2945 * df-core.c (df_set_blocks): Ditto.
2946 * df.h (struct df_problem): Added reset_fun.
2947 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
2948 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
2949 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
2950 functions to clear out all references to def-use or use-def chains.
2952 2006-01-21 Ben Elliston <bje@au.ibm.com>
2954 * varasm.c (assemble_real): Initialise data array.
2956 2006-01-20 Paul Brook <paul@codesourcery.com>
2958 Merge from csl-arm-branch.
2959 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
2960 * config/arm/arm.md (movdi): Force operands[1] to a register
2961 if we have a non-register source.
2962 (*arm_movdi, *movdf_soft_insn): Require that one of the
2963 operands be a register.
2964 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
2965 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
2967 2006-01-20 DJ Delorie <dj@redhat.com>
2969 * varasm.c (initialize_constant_valid_p): Allow pointers
2970 initialized from integer constants of lesser precision.
2971 (output_constant): Allow non-int-sized pointer modes to be
2972 initialized from integer constants.
2974 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
2977 * cppdefault.h (struct default_include): Add multilib flag.
2978 * cppdefault.c (cpp_include_defaults): Set it.
2979 * c.opt (-imultilib): New option.
2980 * c-opts.c (imultilib): New.
2981 (c_common_handle_option): Handle -imultilib.
2982 (c_common_post_options): Likewise.
2983 * c-incpath.c (add_standard_paths, register_include_chains):
2985 * c-incpath.h (register_include_chains): Add extra parameter.
2986 * gcc.c (do_spec_1): Generate -imultilib option.
2987 (The Specs Language): Update %I description.
2988 (process_command): Update copyright notice.
2989 * doc/cppopts.texi (-imultilib): Document.
2990 * doc/invoke.texi (-imultilib): Include in option summary.
2991 (%I): Update specs documentation.
2993 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
2995 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
2997 2006-01-20 Richard Sandiford <richard@codesourcery.com>
2999 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
3002 2006-01-20 Richard Guenther <rguenther@suse.de>
3003 Steven Bosscher <stevenb.gcc@gmail.com>
3005 PR rtl-optimization/24626
3006 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
3007 EDGE_TRUE_VALUE if in RTL mode.
3010 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
3011 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
3013 2006-01-20 Dirk Mueller <dmueller@suse.com>
3016 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
3017 instead of a special NOP marker.
3018 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
3019 NOP marker handling.
3020 * c-common.h (empty_body_warning): Add forward declaration.
3021 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
3022 Now uses IS_EMPTY_STMT() instead of special NOP markers.
3024 2006-01-20 Paul Brook <paul@codesourcery.com>
3026 * Makefile.in (lang_checks): Keep going if mkdir fails.
3028 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
3030 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
3031 be able to clean out basic block when not necessary.
3032 (df_scan_free): Fixed to properly delete information if df is
3033 unused before calling df_finish.
3034 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
3035 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
3037 (df_bb_refs_delete): New function.
3038 (df_refs_delete): Moved per block code to df_bb_refs_delete.
3039 * df-core.c (df_set_blocks): Added code to properly clean out
3040 unused blocks if they are not part of the blocks to consider.
3041 Added additional null check.
3042 (df_compact_blocks): Added basic block parameter to free_bb_fun to
3043 be able to clean out basic block when not necessary
3044 * df.h (df_free_bb_function): Ditto.
3045 (df_bb_refs_delete): New function.
3046 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
3047 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
3048 basic block parameter to be able to clean out basic block when not
3050 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
3051 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
3052 Fixed to properly delete information if df is unused before
3055 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
3057 PR rtl-optimization/25799
3058 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
3059 Corrected confluence operator to remove bits from op2 before oring
3060 with op1 rather than removing bits from op1.
3061 (df_ru_transfer_function): Corrected test on wrong bitmap which
3062 caused infinite loop. Both of these problems were introduced in
3063 the dataflow rewrite.
3065 2006-01-19 DJ Delorie <dj@redhat.com>
3067 * reload1.c (find_reload_regs): Note the details of reload
3068 failures in the dump file.
3069 (spill_failure): Likewise.
3071 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
3073 * loop-iv.c: Include df.h and hashtab.h.
3074 (enum iv_grd_result): New enum.
3075 (DF_REF_IV, DF_REF_IV_SET): New macros.
3076 (struct biv_entry): New.
3077 (df, bivs): New global variables.
3078 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
3079 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
3081 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
3082 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
3083 analyzed_for_bivness_p, record_biv): New functions.
3084 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
3085 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
3086 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
3088 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
3090 (iv_number_of_iterations): Use new interface to iv analysis.
3091 * loop-unroll.c: Do not include varray.h.
3092 (analyze_iv_to_split_insn): Use new interface to iv
3094 * loop-unswitch.c (may_unswitch_on): Ditto.
3095 * df.c (df_bitmaps_free): Only work for bbs for that structures are
3097 (df_bb_modify): Realloc tables to the new index.
3098 (df_find_use): New function.
3099 * df.h (df_find_use): Declare.
3100 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
3102 * cfgloop.h (struct rtx_iv): Remove analysed field.
3103 (iv_get_reaching_def): Removed.
3104 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
3105 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
3106 (loop-iv.o): Add df.h and hashtab.h dependency.
3107 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
3109 2006-01-20 Alan Modra <amodra@bigpond.net.au>
3112 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
3114 (__floatundisf, __floatundidf): Likewise.
3115 * libgcc2.h (IS_IBM_EXTENDED): Define.
3117 2006-01-19 DJ Delorie <dj@redhat.com>
3119 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
3121 2006-01-19 Paul Brook <paul@codesourcery.com>
3123 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
3124 as nothrow when unwinding tables are disabled.
3126 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3129 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
3130 of bit-field" when in system header.
3132 2006-01-19 DJ Delorie <dj@redhat.com>
3134 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
3135 the 16 bit shift limit of the m16c.
3137 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
3140 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
3141 * config/i386/i386.c (output_set_got): Output the label if we have one
3142 for the TARGET_DEEP_BRANCH_PREDICTION case.
3144 2006-01-19 Jan Hubicka <jh@suse.cz>
3145 H.J. Lu <hongjiu.lu@intel.com>
3146 Evandro Menezes <evandro.menezes@amd.com>
3148 * invoke.texi (generic): Document
3150 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
3151 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
3152 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
3153 (x86_use_incdec, x86_pad_returns): New variables
3154 (TARGET_CPU_DEFAULT_generic): New constant
3155 (TARGET_CPU_DEFAULT_NAMES): Add generic.
3156 (enum processor_type): Add generic32 and generic64.
3157 * i386.md (cpu attribute): Add generic32/generic64
3158 (movhi splitter): Behave sanely when both partial_reg_dependency and
3159 partial_reg_stall are set.
3160 (K8 splitters): Enable for generic as well.
3161 * predicates.md (incdec_operand): Use TARGET_INCDEC
3162 (aligned_operand): Avoid memory mismatch stalls.
3163 * athlon.md: Enable for generic64, new patterns for 128bit moves.
3164 * ppro.md: Enable for generic32
3165 * i386.c (generic64_cost, generic32_cost): New.
3166 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
3167 (x86_use_leave): Enable for generic64. (x86_use_sahf,
3168 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
3169 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
3170 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
3171 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
3172 x86_partial_reg_dependency, x86_memory_mismatch_stall,
3173 x86_accumulate_outgoing_args, x86_prologue_using_move,
3174 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
3175 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
3177 (x86_use_incdec, x86_pad_returns): New.
3178 (override_options): Add generic32 and generic64, translate "generic"
3179 to generic32/generic64 and "i686" to "generic32", refuse
3180 "generic32"/"generic64" as arch target.
3181 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
3182 (ix86_reorg): Honor PAD_RETURNS.
3184 2006-01-19 Diego Novillo <dnovillo@redhat.com>
3186 * tree-pretty-print.c (dump_generic_node): Handle
3187 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
3188 * cgraph.c (cgraph_expand_queue): Rename from
3189 cgraph_analyze_queue. Update all users.
3190 * cgraphunit.c (cgraph_assemble_pending_functions): Process
3191 cgraph_expand_queue.
3192 (cgraph_expand_all_functions): Likewise.
3193 (cgraph_finalize_pending_functions): Remove. Update callers.
3195 * tree.h (OMP_DIRECTIVE_P): Define.
3196 (OMP_PARALLEL_FN): Define.
3197 (OMP_PARALLEL_DATA_ARG): Define.
3198 (OMP_SECTIONS_SECTIONS): Define.
3199 * tree-pass.h (pass_expand_omp): Declare.
3200 * omp-low.c (struct omp_region): Declare.
3201 (struct omp_context): Remove fields 'parallel_type',
3202 'parallel_start_ix' and 'parallel_start_additional_args'.
3204 (struct omp_for_data): Rename from struct expand_omp_for_data.
3205 (omp_regions): New static variable.
3206 (root_omp_region): New static variable.
3207 (find_omp_clause): Make static.
3208 (is_in_combined_parallel_ctx): Remove.
3209 (is_combined_parallel): New.
3210 (extract_omp_for_data): Move earlier in the file.
3211 (workshare_safe_to_combine_p): New.
3212 (get_ws_args_for): New.
3213 (determine_parallel_type): Move earlier in the file.
3214 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
3216 (omp_copy_decl): Likewise.
3217 (create_omp_child_function): Likewise.
3218 (lookup_omp_region): New.
3219 (dump_omp_region): New.
3220 (debug_omp_region): New.
3221 (debug_all_omp_regions): New.
3222 (new_omp_region): New.
3223 (scan_omp_parallel): If parallel_nesting_level > 1, the
3224 directive is nested within another parallel directive.
3225 Set OMP_PARALLEL_FN.
3226 (scan_omp_for): Do not try to handle combined parallel+for
3228 Remove FIXME comment.
3229 (scan_omp_nested): Remove.
3230 (scan_omp_1): Do not call scan_omp_nested when
3231 parallel_nesting_level is > 1.
3232 Do not change the DECL_CONTEXT of local variables found.
3233 (lookup_decl_in_outer_ctx): New.
3234 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
3235 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
3236 (lower_reduction_clauses): Rename from expand_reduction_clauses.
3237 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
3238 If CTX is nested, lookup VAR in the outer context when
3239 building copy assignment.
3240 (lower_send_clauses): Rename from expand_send_clauses.
3241 If CTX is nested, lookup VAR in the outer context when
3242 building copy assignments.
3243 (lower_send_shared_vars): Rename from expand_send_shared_vars.
3244 If CTX is nested, lookup VAR in the outer context when
3245 building copy assignments.
3246 (expand_parallel_call): Rename from build_parallel_call.
3247 Handle combined parallel+workshare cases.
3248 Re-implement to emit code into the CFG.
3250 (expand_omp_parallel): Re-implement to emit code into the CFG.
3251 Call move_sese_region_to_fn to outline the sub-graph
3252 containing the parallel region.
3253 (expand_omp_for_1): Remove.
3254 (expand_omp_for_generic): Re-implement to emit code into the
3256 (expand_omp_for_static_nochunk): Likewise.
3257 (expand_omp_for_static_chunk): Likewise.
3258 (expand_omp_for): Likewise.
3259 (expand_omp_sections): Likewise.
3260 (remove_exit_barriers): New.
3261 (expand_omp_synch): New.
3263 (build_omp_regions_1): New.
3264 (build_omp_regions): New.
3265 (execute_expand_omp): New.
3266 (gate_expand_omp): New.
3267 (pass_expand_omp): Define.
3268 (lower_omp_sections): Rename from expand_omp_sections.
3269 Set OMP_SECTIONS_SECTIONS.
3270 (lower_omp_single_simple): Rename from expand_omp_single_simple.
3271 (lower_omp_single_copy): Rename from expand_omp_single_copy.
3272 (lower_omp_single): Rename from expand_omp_simple.
3273 (lower_omp_master): Rename from expand_omp_master.
3274 (lower_omp_ordered): Rename from expand_omp_ordered.
3275 (lower_omp_critical): Rename from expand_omp_critical.
3276 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
3277 (lower_omp_for): Re-implement.
3278 (lower_omp_parallel): Re-implement.
3279 (lower_regimplify): Rename from expand_regimplify.
3280 (lower_omp_1): Rename from expand_omp_1.
3281 If there are syntax errors in the program, replace every
3282 OpenMP directive with NOP.
3283 Call lower_omp_* instead of expand_omp_*.
3284 (lower_omp): Rename from expand_omp.
3286 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
3287 * tree-gimple.h (enum omp_parallel_type): Remove.
3288 (gimple_boolify): Declare extern.
3289 (find_omp_clause, determine_parallel_type): Remove.
3291 * gimple-low.c (lower_omp_directive): New.
3292 (lower_stmt): Call it.
3293 (record_vars_into): Move from ...
3294 (record_vars): ... here.
3295 Call record_vars_into with current_function_decl.
3297 * gimplify.c (struct gimplify_ctx): Remove fields
3298 combined_pre_p and combined_ctxp. Update users.
3299 (get_formal_tmp_var): Add documentation.
3300 (gimple_boolify): Make extern.
3301 (gimplify_expr_in_ctx): Remove. Update callers.
3302 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
3303 will always be a BIND_EXPR.
3304 (gimplify_expr): Handle OMP_RETURN_EXPR.
3305 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
3306 (OMP_PARALLEL): Add 3 operands.
3307 (OMP_SECTIONS): Add 1 operand.
3308 (OMP_RETURN_EXPR): Define.
3310 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
3311 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
3312 * tree-iterator.c (alloc_stmt_list): Assert that we are not
3313 creating a circular free list.
3314 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
3316 * tree-flow.h (move_sese_region_to_fn): Declare.
3317 (record_vars_into): Declare.
3318 * tree-cfg.c (make_omp_sections_edges): New.
3319 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
3320 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
3321 OMP_SECTIONS and OMP_SECTION.
3322 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
3323 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
3324 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
3325 (gather_blocks_in_sese_region): New.
3326 (struct move_stmt_d): Declare.
3328 (move_block_to_fn): New.
3329 (move_sese_region_to_fn): New.
3331 * passes.c (init_optimization_passes): Schedule
3332 pass_expand_omp after pass_init_datastructures.
3334 * tree-ssa-operands.c (get_expr_operands): Handle
3335 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
3336 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
3338 2006-01-19 Jeff Law <law@redhat.com>
3340 * tree-vrp.c (extract_range_from_assert): Refine the result range
3341 if the variable referenced by the ASSERT_EXPR has a range and
3342 either the tentative result range or the previous range is a
3345 2006-01-19 Richard Sandiford <richard@codesourcery.com>
3347 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
3349 2006-01-19 Jan Hubicka <jh@suse.cz>
3351 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
3353 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
3355 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
3356 (expand_compound_operation, expand_field_assignment): Fail if the
3357 bit lengths of an extract operation are out of range.
3358 (make_extraction): Compute wanted_inner_mode based on the position
3359 and length of the extraction. Make it extraction_mode for non-constant
3360 positions, and do not modify offset in that case. When generating a
3361 new MEM, use a mode that can hold the extraction while keeping correct
3362 alignment. Remove code that supported MEMs wrapped by USEs.
3363 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
3365 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
3367 * config/s390/s390.md ("Y", "y"): New mode attribute.
3368 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
3369 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
3370 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
3371 "*addsi3_imm_cc", "*addsi3_carry1_cc",
3372 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
3373 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
3374 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
3375 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
3376 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
3377 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
3378 "addsi3", "subsi3"): Insn patterns removed.
3379 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
3380 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
3381 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
3382 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
3383 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
3384 "*sub<mode>3_cconly2"): New insn patterns.
3385 ("addsi3", "subsi3"): New expanders.
3387 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
3389 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
3390 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
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