1 2007-01-15 Jan Hubicka <jh@suse.cz>
3 * tree-ssa-dce.c (DCE_TODOs): New.
4 (propagate_necessity): Return if something changed.
5 (eliminate_unnecessary_stmts): Likewise.
6 (perform_tree_ssa_dce): Return TODO flags when needed.
7 (pass_dce, pass_dce_loop, pass_cd_dce): Remove TODO flags.
9 2007-01-15 Uros Bizjak <ubizjak@gmail.com>
11 * config/i386/i386.md (fyl2xxf3_i387): Rename from fyl2x_xf3.
12 (fyl2x_extend<mode>xf3_i387): New insn pattern.
13 (log<mode>2): Rename from logsf2 and logdf2 and macroize insn
14 insn patterns using X87MODEF12 mode macro. Extend operand 1
15 to XFmode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
16 (log10<mode>2): Ditto.
18 (log1p<mode>2): Ditto.
20 (fyl2xp1xf3_i387): Rename from fyl2xp1_xf3.
21 (fyl2xp1_extend<mode>xf3_i387): New insn pattern.
22 (*fxtractxf3_i387): Rename from *fxtractxf3.
23 (fxtract_extend<mode>xf3_i387): New insn pattern.
24 (ilogbsi2): Use match_dup 3, not match_operand:XF 3.
26 * config/i386/i386.c (ix86_emit_i387_log1p): Use gen_fyl2xp1xf3_i387()
27 and gen_fyl2xxf3_i387().
29 2007-01-14 Zdenek Dvorak <dvorakz@suse.cz>
31 * loop-unswitch.c (unswitch_loop): Do not call fix_loop_placement.
32 * cfgloopmanip.c (fix_loop_placement): Made static. Use
33 get_loop_exit_edges. Changed return type to bool.
34 * cfgloop.h (fix_loop_placement): Declaration removed.
36 2007-01-14 Dorit Nuzman <dorit@il.ibm.com>
38 * param.h (MIN_VECT_LOOP_BOUND): New.
39 * params.def (MIN_VECT_LOOP_BOUND): New.
40 * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another
41 argument - minimum threshold for number of iterations.
42 * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another
43 argument to declaration.
44 * tree-vect-analyze.c (vect_analyze_operations): Check value of
46 * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call
47 slpeel_tree_peel_loop_to_edge with additional argument.
48 (vect_do_peeling_for_alignment): Likewise.
49 * doc/invoke.texi (min-vect-loop-bound): Document new param option.
51 2007-01-14 Uros Bizjak <ubizjak@gmail.com>
54 * config/i386/i386.c (print_operand) ['z']: Output 'b' for
57 2007-01-14 Jan Hubicka <jh@suse.cz>
59 * tree-dfa.c (remove_referenced_var): New function.
60 * tree-ssa-live.c (remove_unused_locals): Walk referenced vars and
61 prune referenced vars list too.
62 * tree-flow.h (remove_referenced_var): Declare.
64 2007-01-14 Jan Hubicka <jh@suse.cz>
66 * tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs
68 (remove_stmt_from_eh_region_fn): Do not remove call_exprs.
69 (verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill.
70 * except.h (verify_eh_throw_table_statements): Kill prototype.
71 * cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions
72 into call exrepssions.
73 * tree-optimize.c (execute_free_cfg_annotatiosn): Do not call
75 * tree-cfg.c: Include pointer-set.h.
76 (verify_node_sharing): Work on pointer set.
77 (verify_eh_throw_stmt_node): New.
78 (verify_stmts): Use pointers sets, verify throw_stmt.
80 2007-01-13 Zdenek Dvorak <dvorakz@suse.cz>
82 * ipa-reference.c (analyze_function): Consider also addresses taken
85 2007-01-12 Roger Sayle <roger@eyesopen.com>
87 * c-typeck.c (null_pointer_constant_p): Replace use of
88 TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
89 (build_c_cast): Likewise.
91 2007-01-12 Roger Sayle <roger@eyesopen.com>
93 * tree.h (force_fit_type_double): Remove unused final argument.
94 * c-common.c (constant_expression_warning): Replace use of
95 TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
96 (convert_and_check): Likewise.
97 (shorten_compare): Update call to force_fit_type_double.
98 (c_common_truthvalue_conversion) <INTEGER_CST>: Use integer_zerop.
99 * convert.c (convert_to_pointer): Update call to
100 force_fit_type_double.
101 * fold-const.c (force_fit_type_double): Remove overflowed_const
103 (int_const_binop, fold_convert_const_int_from_int,
104 fold_convert_const_int_from_real, fold_div_compare,
105 fold_sign_changed_comparison, fold_unary, fold_negate_const,
106 fold_abs_const, fold_not_const): Remove the final argument from
107 calls to force_fit_type_double.
109 2007-01-12 Andrew Pinski <andrew_pinski@playstation.sony.com>
111 * configure.ac: Set insn to "nop" for spu-*-* also.
112 * configure: Regenerate.
114 2007-01-12 Olga Golovanevsky <olga@il.ibm.com>
116 * builtins.def : Add BUILT_IN_FREE.
118 2007-01-12 Jan Hubicka <jh@suse.cz>
120 PR tree-optimization/30443
121 * tree-inline.c (tree_function_versioning): Do not optimize when
122 cloning for inlining.
124 2007-01-12 Zdenek Dvorak <dvorakz@suse.cz>
126 * doc/loop.texi: Document recording of loop exits.
127 * cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop.
128 (update_single_exits_after_duplication,
129 update_single_exit_for_duplicated_loop,
130 update_single_exit_for_duplicated_loops): Removed.
131 (duplicate_loop_to_header_edge): Do not call
132 update_single_exits_after_duplication and
133 update_single_exit_for_duplicated_loops.
134 (loop_version): Do not update single_exit information.
135 (fix_loop_structure): Use record_loop_exits instead of
136 mark_single_exit_loops.
137 * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update
138 the lists of loop exits.
139 * cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force,
140 split_edge, merge_blocks): Update the lists of loop exits.
141 * modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to
143 * loop-init.c (loop_optimizer_init): Call record_loop_exits instead
144 of mark_single_exit_loops.
145 (loop_optimizer_finalize): Call release_recorded_exits.
146 * tree-ssa-loop.c (tree_loop_optimizer_init): Pass
147 LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init.
148 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not
149 update single exit information.
150 * lambda-code.c (perfect_nestify): Ditto.
151 * cfgloop.c (flow_loop_free): Destroy the list of exits of the loop.
152 (mark_single_exit_loops): Removed.
153 (alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free,
154 get_exit_descriptions, rescan_loop_exit, record_loop_exits,
155 dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New
157 (get_loop_exit_edges, single_exit): Use recorded exit lists.
158 (add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits.
159 (verify_loop_structure): Verify consistency of the exit lists.
160 (flow_loops_find): Use alloc_loop. Initialize exits hash.
161 (set_single_exit): Removed.
162 * cfgloop.h (struct loop_exit): New function.
163 (struct loop): single_exit_ field replaced by exits field.
164 (LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by LOOPS_HAVE_RECORDED_EXITS.
165 (struct loops): Added exits hash.
166 (mark_single_exit_loops, set_single_exit): Declaration removed.
167 (release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare.
169 2007-01-12 Richard Sandiford <richard@codesourcery.com>
171 * doc/invoke.texi: Avoid use of @headitem.
173 2007-01-12 Richard Sandiford <richard@codesourcery.com>
175 * cse.c (cse_insn): Move HAVE_CC0 code after declarations.
177 2007-01-12 Richard Sandiford <richard@codesourcery.com>
179 * doc/install.texi: Fix m68k-*-* anchor and add m68k-*-* to the
182 2007-01-12 Nathan Sidwell <nathan@codesourcery.com>
183 Richard Sandiford <richard@codesourcery.com>
185 * doc/invoke.texi: Document -mno-bitfield, -mno-rtd and -mno-short.
186 * config/m68k/m68k.opt: Resort options.
187 (mbitfield, mrtd, mshort): Remove RejectNegative properties.
189 2007-01-12 Nathan Sidwell <nathan@codesourcery.com>
190 Richard Sandiford <richard@codesourcery.com>
192 * doc/invoke.texi: Document the macros that are defined by
193 m68k's -mtune and -mhard-float options.
194 * config/m68k/m68k-protos.h (m68k_cpp_cpu_ident) Declare.
195 (m68k_cpp_cpu_family): Likewise.
196 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Add a full set
197 of __ucfv*__ macros. Define __mcffpu__ if generating code for
198 ColdFire FPUs. Define __mcf_cpu_* and __mcf_family_* macros.
199 * config/m68k/m68k.c (m68k_cpp_cpu_ident): New function.
200 (m68k_cpp_cpu_family): Likewise.
202 2007-01-12 Richard Sandiford <richard@codesourcery.com>
204 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Treat all mc68*
205 macros besides mc68000 as tuning macros. Use a switch statement
206 to set them and mcpu32.
208 2007-01-12 Julian Brown <julian@codesourcery.com>
210 * config/m68k/m68k.h: Use TARGET_68040 instead of TARGET_68040_ONLY.
211 (TARGET_68040_ONLY): Rename to...
212 (TARGET_68040): ...this.
213 * config/m68k/m68k.c: Use TARGET_68040 instead of TARGET_68040_ONLY.
214 * config/m68k/m68k.md: Likewise.
216 2007-01-12 Julian Brown <julian@codesourcery.com>
217 Nathan Sidwell <nathan@codesourcery.com>
218 Richard Sandiford <richard@codesourcery.com>
220 * config.gcc (m680[012]0-*-*, m68k*-*-*): Set m68k_cpu_ident to
221 the -mcpu= argument associated with the --with-cpu setting.
222 Define M68K_DEFAULT_TUNE to the default -mtune= option,
223 if different from the one implied by the -mcpu setting.
224 Accept --with-cpu=FOO if FOO is listed in m68k-devices.def,
225 using mcpu=FOO as the default CPU option. Set target_cpu_default2.
226 * doc/invoke.texi: Mention ColdFire in the introduction to the
227 m68k options. Document the new -march, -mcpu, -mtune, -mdiv,
228 -mno-div and -mhard-float options. Make -m68881 a synonym for
229 -mhard-float. Document the previously-undocumented -m5206e,
230 -m528x, -m5307 and -m5407 options. Tweak the existing option
231 documentation for consistency.
232 * doc/install.texi: Mention new --with-cpu arguments.
233 * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Only use the
234 default CPU if neither -mcpu nor -march are specified.
235 (ASM_CPU_SPEC): Pass down -mcpu and -march options.
236 (TARGET_CPU_CPP_BUILTINS): Set __mcfisa*__ macros from
237 TARGET_ISA*. Set the legacy __mcf*__ cpu macros in the same way,
238 using m68k_tune to decide between families that implement the
239 same ISA. Use m68k_tune to set __mcfv4e__.
240 (FL_BITFIELD, FL_68881, FL_COLDFIRE, FL_CF_HWDIV, FL_CF_MAC)
241 (FL_CF_EMAC, FL_CF_EMAC_B, FL_CF_USP, FL_CF_FPU, FL_ISA_68000)
242 (FL_ISA_68010, FL_ISA_68020, FL_ISA_68040, FL_ISA_A, FL_ISA_B)
243 (FL_ISA_C, FL_ISA_MMU): New macros.
244 (MASK_COLDFIRE): Delete.
245 (TARGET_68010, TARGET_68020, TARGET_68040_ONLY, TARGET_COLDFIRE)
246 (TARGET_ISAB): Redefine in terms of m68k_cpu_flags.
247 (TARGET_68881, TARGET_COLDFIRE_FPU): Redefine in terms of m68k_fpu.
248 (TARGET_HARD_FLOAT): Do not define here.
249 (TARGET_ISAAPLUS, TARGET_ISAC): New macros.
250 (TUNE_68000): New macro.
251 (TUNE_68000_10): Redefine in terms of TUNE_68000 and TUNE_68010.
252 (TUNE_68010, TUNE_68030, TUNE_68040, TUNE_68060, TUNE_CPU32)
253 (TUNE_CFV2): Redefine in terms of m68k_tune.
254 (uarch_type, target_device, fpu_type): New enums.
255 (m68k_cpu, m68k_tune, m68k_fpu, m68k_cpu_flags): Declare.
256 * config/m68k/m68k.c (TARGET_DEFAULT): Remove MASK_68881.
257 (FL_FOR_isa_00, FL_FOR_isa_10, FL_FOR_isa_20, FL_FOR_isa_40)
258 (FL_FOR_isa_cpu32, FL_FOR_isa_a, FL_FOR_isa_aplus, FL_FOR_isa_b)
259 (FL_FOR_isa_c): New macros.
260 (m68k_isa): New enum.
261 (m68k_target_selection): New structure.
262 (all_devices, all_isas, all_microarchs): New tables.
263 (m68k_cpu_entry, m68k_arch_entry, m68k_tune_entry, m68k_cpu)
264 (m68k_tune, m68k_fpu, m68k_cpu_flags): New variables.
265 (MASK_ALL_CPU_BITS): Delete.
266 (m68k_find_selection): New function.
267 (m68k_handle_option): Handle -mcpu=, -march= and -mtune=.
268 Map the legacy target options to a combination of the new ones.
269 (override_options): Set m68k_cpu, m68k_tune, m68k_fpu and
270 m68k_cpu_flags. Handle M68K_DEFAULT_TUNE. Use m68k_cpu_flags
271 to derive default MASK_BITFIELD, MASK_CF_HWDIV and MASK_HARD_FLOAT
273 * config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407, mcfv4e)
274 (m68010, m68020, m68020-40, m68020-60, m68030, m68040): Remove Mask
276 (m68881, msoft-float): Change mask from 68881 to HARD_FLOAT.
277 (march=, mcpu=, mdiv, mhard-float, mtune=): New options.
278 * config/m68k/m68k-devices.def: New file.
280 2007-01-12 Richard Sandiford <richard@codesourcery.com>
281 Nathan Sidwell <nathan@codesourcery.com>
283 * config/m68k/m68k.h (ASM_CPU_SPEC, ASM_SPEC, EXTRA_SPECS)
284 (SUBTARGET_EXTRA_SPECS): New macros.
285 * config/m68k/linux.h (ASM_SPEC): Remove CPU flags;
286 use %(asm_cpu_spec) instead.
287 * config/m68k/m68k-none.h (ASM_SPEC): Likewise.
288 * config/m68k/openbsd.h (ASM_SPEC): Likewise.
289 * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
290 (EXTRA_SPECS): Rename to...
291 (SUBTARGET_EXTRA_SPECS): ...this.
293 2007-01-12 Nathan Sidwell <nathan@codesourcery.com>
294 Richard Sandiford <richard@codesourcery.com>
295 Julian Brown <julian@codesourcery.com>
297 * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
298 (m68k-*-uclinux*, m68k-*-linux*, m68k-*-rtems*): Set default_m68k_cpu
299 to the configuration's default CPU.
300 (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*): Likewise.
301 Remove default masks.
302 (m680[012]0-*-*): Set the default with_cpu to the first part of
304 (m68k*-*-*): Set the default with_cpu to m$default_m68k_cpu.
305 (m68k*-*-linux): Extend the --with-cpu handling to...
306 (m680[012]0-*-*, m68k*-*-*): ...these configurations. Allow m68000
307 and m68010. Don't set target_cpu_default2.
308 * doc/install.texi: Document --with-cpu for m68k.
309 * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Define.
310 * config/m68k/m68k-none.h (TARGET_CPU_DEFAULT, M68K_CPU_m68k)
311 (M68K_CPU_m68000, M68K_CPU_m68010, M68K_CPU_m68020, M68K_CPU_m68030)
312 (M68K_CPU_m68040, M68K_CPU_m68302, M68K_CPU_m68332, TARGET_DEFAULT)
313 (ASM_CPU_DEFAULT_SPEC, CC1_CPU_DEFAULT_SPEC): Delete.
314 (ASM_SPEC): Remove use of %(asm_cpu_default).
315 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS, MULTILIB_DEFAULTS): Delete.
316 * config/m68k/linux.h (TARGET_DEFAULT): Delete.
317 (CPP_SPEC): Merge definitions. Do not handle __HAVE_68881__ here.
318 * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define
319 __HAVE_FPU__ if TARGET_HARD_FLOAT.
320 (TARGET_DEFAULT): Delete.
321 (EXTRA_SPECS): Delete cpp_cpu_default_spec, cpp_cpu_spec,
322 cpp_fpu_spec, asm_default_spec and netbsd_cpp_spec.
323 (CPP_CPU_SPEC): Delete.
324 (TARGET_VERSION): Merge definitions, using TARGET_68010 to pick
325 the appropriate string.
326 (CPP_CPU_DEFAULT_SPEC, ASM_DEFAULT_SPEC, CPP_FPU_SPEC): Delete.
327 (CPP_SPEC): Define to NETBSD_CPP_SPEC.
328 (ASM_SPEC): Don't use %(asm_default_spec).
329 * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
330 TARGET_DEFAULT and add MASK_68881.
331 * config/m68k/m68k.md: Remove mention of TARGET_DEFAULT from comments.
333 2007-01-12 Richard Sandiford <richard@codesourcery.com>
335 * config.gcc (m68010-*-netbsdelf*): Add MASK_68010.
336 (m68k*-*-netbsdelf*, m68k*-*-openbsd*, m68k*-linux*): Add
337 MASK_68010 alongside MASK_68020.
338 * doc/invoke.texi: Document -m68010.
339 * config/m68k/m68k.opt (m68010): New.
340 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define mc68010
342 (TUNE_68010): New macro.
343 * config/m68k/m68k-none.h (M68K_CPU_m68k, M68K_CPU_m68010)
344 (M68K_CPU_m68020, M68K_CPU_m68030, M68K_CPU_m68040)
345 (M68K_CPU_m68332): Add MASK_68010.
346 * config/m68k/linux.h (TARGET_DEFAULT): Add MASK_68010 to
348 * config/m68k/netbsd-elf.h (CPP_CPU_SPEC): Remove now-redundant
350 * config/m68k/m68k.c (MASK_ALL_CPU_BITS): Add MASK_68010.
351 (m68k_handle_option): Handle OPT_m68010. Add MASK_68010
352 to all entries that use MASK_68020.
353 (output_move_simode_const, output_move_himode, output_move_qimode)
354 (output_move_stricthi, output_move_strictqi): Use TARGET_68010
355 instead of TARGET_68020 to select clr behavior. Remove comment
356 about there being no TARGET_68010.
357 * config/m68k/m68k.md: Likewise throughout.
359 2007-01-12 Julian Brown <julian@codesourcery.com>
361 * config/m68k/m68k.h (TARGET_ISAB): New macro.
362 * config/m68k/m68k.c: Use TARGET_ISAB rather than TARGET_CFV4.
363 * config/m68k/m68k.md: Likewise.
365 2007-01-12 Julian Brown <julian@codesourcery.com>
367 * config/m68k/m68k.h (LEGITIMATE_INDEX_P, LEGITIMIZE_ADDRESS): Use
368 TARGET_COLDFIRE_FPU instead of TARGET_CFV4E.
370 2007-01-12 Julian Brown <julian@codesourcery.com>
372 * config/m68k/m68k.h (TUNE_68040_60): New macro.
373 * config/m68k/m68k.c (standard_68881_constant_p): Use it.
374 * config/m68k/m68k.md: Likewise.
376 2007-01-12 Julian Brown <julian@codesourcery.com>
377 Richard Sandiford <richard@codesourcery.com>
379 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030
380 instead of TARGET_68030, TUNE_68040 instead of TARGET_68040,
381 TUNE_68060 instead of TARGET_68060 and TUNE_CPU32 instead of
383 (TARGET_CPU32): Rename to...
384 (TUNE_CPU32): ...this.
385 (TUNE_68000_10, TUNE_68030, TUNE_68040, TUNE_68060)
386 (TUNE_CFV2): New macros.
387 * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Simplify;
388 remove conditions that are implied by TARGET_68020.
389 * config/m68k/m68k.c (m68k_output_function_prologue): Use TUNE_68040
390 instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32.
391 (m68k_output_function_epilogue): Likewise.
392 (m68k_rtx_costs): Likewise. Use TUNE_68060 instead of TARGET_68060
393 and TUNE_CFV2 instead of TARGET_5200. Use TUNE_68000_10 instead of
394 "!TARGET_68020 && !TARGET_COLDFIRE" to choose between 68000 and
395 non-68000 timings. Refactor multiplication and division costs.
396 (output_addsi3): Use TUNE_68040 instead of TARGET_68040 and
397 TUNE_CPU32 instead of TARGET_CPU32.
398 (standard_68881_constant_p): Use TUNE_68040 instead of TARGET_68040
399 and TUNE_68060 instead of TARGET_68060.
400 * config/m68k/m68k.md: Use TUNE_68040 instead of TARGET_68040,
401 TUNE_68060 instead of TARGET_68060, and TUNE_CPU32 instead of
403 (movsi_const0): Use TUNE_68000_10 rather than "!TARGET_68020
404 && !TARGET_COLDFIRE" to choose between moveq and clr.
405 Likewise in the unnamed movsf pattern.
406 (ashlsi_17_24, lshrsi_17_24): Guard with TUNE_68000_10 rather than
407 "!TARGET_68020 && !TARGET_COLDFIRE". Likewise the unnamed
410 2007-01-12 Richard Sandiford <richard@codesourcery.com>
412 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount
413 of tabbing before backslashes.
415 2007-01-11 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
417 * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
418 * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
419 (ASM_OUTPUT_INTERNAL_LABEL): Define.
421 2007-01-11 Zdenek Dvorak <dvorakz@suse.cz>
423 * tree-ssa-loop-ivopts.c (extract_cond_operands): Split from
424 find_interesting_uses_cond.
425 (find_interesting_uses_cond): Use extract_cond_operands.
426 (rewrite_use_compare): Use extract_cond_operands and
427 force_gimple_operand_bsi. Do not call update_stmt.
428 (determine_use_iv_cost_condition): Use extract_cond_operands.
429 Return cheaper of using original bound and changing the exit bound.
431 2007-01-11 Zdenek Dvorak <dvorakz@suse.cz>
433 PR tree-optimization/29516
434 * tree-ssa-address.c (tree_mem_ref_addr, add_to_parts,
435 most_expensive_mult_to_index, addr_to_parts,
436 create_mem_ref, maybe_fold_tmr): Make the type of
437 fields of TARGET_MEM_REF sizetype.
438 (move_fixed_address_to_symbol, move_pointer_to_base):
440 * tree.def (TARGET_MEM_REF): Add comment on types of
443 2007-01-11 Joseph Myers <joseph@codesourcery.com>
445 * c-common.c (vector_types_convertible_p): Treat opaque types as
446 always convertible if they have the same size, but not otherwise.
448 2007-01-11 Steven Bosscher <steven@gcc.gnu.org>
450 * ifcvt.c (struct noce_if_info): Add comments to the fields.
451 Remove the b_unconditional field.
452 (noce_try_sign_mask): Do not look at b_unconditional.
453 (noce_process_if_block): Do not use merge_if_blocks. Update
454 the CFG here. Do not set b_unconditional.
455 (cond_move_process_if_block): Likewise.
456 (find_cond_trap): Likewise.
457 (check_cond_move_block): Require simple jump insns at the end
460 2007-01-11 Jan Hubicka <jh@suse.cz>
462 PR tree-optimization/1046
463 * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE
464 when alias info is not ready.
465 (pass_tail_recursion): Do not require aliasing.
466 * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise.
467 * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise.
468 * tree-ssa-copy.c (pass_copy_prop): Likewise.
469 * tree-ssa-forwprop.c (pass_forwprop): Likewise.
470 * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise.
471 * passes.c (init_optimization_passes): Execute rename_ssa_copies,
472 ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion
474 * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand):
475 When aliasing is not build, mark statement as volatile.
477 2007-01-11 Tom Tromey <tromey@redhat.com>
479 PR preprocessor/15185, PR preprocessor/20989:
480 * doc/cppopts.texi <-MT>: Update description of algorithm for
481 computing default target.
482 <-M, -MD>: Reword "basename" text.
484 2007-01-11 Roger Sayle <roger@eyesopen.com>
486 * builtins.c (expand_builtin_pow, expand_builtin_powi,
487 fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc,
488 fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
489 fold_builtin_int_int_roundingfn, fold_builtin_bitop,
490 fold_builtin_bswap, real_constp, fold_builtin_pow,
491 fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign,
492 do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace
493 uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
494 * convert.c (convert_to_pointer): Likewise.
495 * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
496 * fold-const.c (force_fit_type, fold_negate_expr, int_const_binop,
497 const_binop, fold_convert_const_int_from_int,
498 fold_convert_const_int_from_real,
499 fold_convert_const_real_from_real, sign_bit_p,
500 optimize_minmax_comparison, extract_muldiv_1, fold_div_compare,
501 fold_sign_changed_comparison, fold_unary, fold_comparison,
502 fold_binary, multiple_of_p, tree_Expr_non_zero_p,
503 fold_negate_const, fold_abs_const, fold_not_const): Likewise.
504 * print-tree.c (print_node_brief, print_node): Likewise.
505 * stor-layout.c (place_field, layout_type): Likewise.
506 * tree-chrec.c (keep_cast): Likewise.
507 * tree.c (build_vector, build_real, build_real_from_int_cst,
508 build_complex): Likewise.
510 2007-01-11 Roger Sayle <roger@eyesopen.com>
512 * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete. For the time being,
513 treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW.
515 2007-01-11 Paolo Bonzini <bonzini@gnu.org>
517 * configure.ac (strict1_warn): Rename to strict_warn.
518 (WERROR, --enable-werror, symlink hacks, stage1_cflags,
519 cc_set_by_configure, quoted_cc_set_by_configure,
520 stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
521 all_boot_languages, all_stagestuff): Remove.
522 (target_list): Remove bootstrap targets.
523 * Makefile.in (quickstrap): Unconditionally make a synonym of all.
524 (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
525 REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
526 SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
527 VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
528 STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
529 stage1_copy, stage2_build, stage2_copy, stageprofile_build,
530 stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
531 stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
532 bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
533 bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
534 unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
535 restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
536 cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
537 *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
538 stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
539 stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
540 risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
541 (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
542 (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
543 (mostlyclean): Adjust.
544 (clean, distclean): Don't mention bootstrap stuff.
545 * configure: Regenerate.
546 * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
547 java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
548 treelang/config-lang.in (stagestuff): Remove.
549 * doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
550 stageprofile, stagefeedback, stagestuff): Remove mention.
552 2007-01-11 Nick Clifton <nickc@redhat.com>
554 * config/mcore/predicates.md (mcore_general_movesrc_operand):
556 (mcore_general_movdst_operand): Do not accept CONST_INTs.
557 (mcore_arith_K_S_operand): Run the test for the S constraint not
558 the test for the M constraint.
559 (mcore_addsub_operand): Do not accept integer values that are
561 * config/mcore/mcore.md: Remove unused constraints from split.
562 (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
564 (allocate_stack): Likewise.
565 * config/mcore/mcore.c (mcore_print_operand): Restrict output of P
567 (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an
569 (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
570 mcore_const_ok_for_inline, mcore_const_trick_uses_not,
571 try_constant_tricks, mcore_num_ones, mcore_num_zeros,
572 mcore_output_bclri, mcore_output_andn, output_inline_const,
573 mcore_output_move, mcore_output_movedouble): Likewise.
574 (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
575 (output_inline_const): Likewise.
576 (output_inline_const): Fix format strings used in sprintf
578 * config/mcore/mcore-protos.h: Update prototypes for changed
579 functions in mcore.c.
580 * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to
581 HOST_WIDE_INT and not int.
582 (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
583 CONST_OK_FOR_N): Likewise.
584 (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
585 (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold
588 2007-01-10 Jan Hubicka <jh@suse.cz>
590 * tree-vrp.c (remove_range_assertions): Release defs.
591 * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
592 * tree-ssa-dom.c (remove_stmt_or_phi): Likewise.
594 2007-01-10 Paul Brook <paul@codesourcery.com>
596 * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
597 * config/arm/arm.md (mulsi3subsi): New insn.
599 2007-01-10 Zdenek Dvorak <dvorakz@suse.cz>
601 * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
602 (tree_transform_and_unroll_loop): New.
603 * tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
606 2007-01-10 Robert Kennedy <jimbob@google.com>
608 * fold-const.c (fold_comparison): Fold comparisons like (x *
609 1000 < 0) to (x < 0).
611 2007-01-10 Ian Lance Taylor <iant@google.com>
613 * tree-pretty-print.c (dump_generic_node): Print parentheses when
614 operands have the same priority.
616 2007-01-10 Tom Tromey <tromey@redhat.com>
618 * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
619 (fold_binary): Likewise.
620 * langhooks.c (lhd_can_use_bit_fields_p): Removed.
621 * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
622 (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
623 (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
624 * langhooks.h (struct lang_hooks): Removed field
625 'can_use_bit_fields_p'.
627 2007-01-10 Ralf Corsépius <ralf.corsepius@rtems.org>
629 * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
631 2007-01-10 Razya Ladelsky <razya@il.ibm.com>
633 * function.c (get_last_funcdef_no): New function.
634 * function.h (get_last_funcdef_no): Declare.
635 * tree-inline.c (initialize_cfun): Add initialization.
636 (tree_function_versioning): Cleanup.
638 2007-01-10 Jan Hubicka <jh@suse.cz>
640 * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
643 2007-01-10 Sa Liu <saliu@de.ibm.com>
644 Ben Elliston <bje@au.ibm.com>
646 * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
647 for SAVE_NONLOCAL and Pmode for any other save level.
648 * spu-protos.h (spu_restore_stack_block): Declare.
649 * spu.md (save_stack_block): Remove.
650 (restore_stack_block): Call spu_restore_stack_block.
651 * spu.c (spu_restore_stack_block): New function.
652 (spu_expand_epilogue): Remove old comment.
654 2007-01-09 Zdenek Dvorak <dvorakz@suse.cz>
656 PR tree-optimization/30322
657 * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
658 (cand_value_at): Return the value as aff_tree.
659 (may_eliminate_iv): Convert the bound from aff_tree to tree.
660 * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
661 aff_combination_mult): New functions.
662 (aff_combination_add): Use aff_combination_add_cst.
663 (aff_combination_convert): Allow conversions to a wider type.
664 (tree_to_aff_combination): Handle BIT_NOT_EXPR.
665 * tree-affine.h (aff_combination_mult): Declare.
667 2007-01-09 Carlos O'Donell <carlos@codesourcery.com>
669 * doc/tm.texi: Update documentation to reflect reality of exec
670 and start file search behaviours. Update copyright year.
671 * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
672 header file directories.
674 2007-01-09 Uros Bizjak <ubizjak@gmail.com>
676 * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
677 (*cosxf2): Rename to cosxf2_i387.
678 (*sindf2, *sinsf2): Extend operand 1 to XFmode. Macroize patterns
679 using X87MODEF12 mode macro. Rename patterns to
680 *sin_extend<mode>xf2_i387. Use SSE_FLOAT_MODE_P to disable patterns
682 (*cosdf2, *cossf2): Ditto.
683 (sincosdf3, sincossf3): Ditto. Rewrite corresponding splitters
684 to match extended input operands.
685 (sincos<mode>3): New expander.
686 (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
687 insn patterns and corresponding splitters.
689 2007-01-09 Kaz Kojima <kkojima@gcc.gnu.org>
691 * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
692 (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
694 2007-01-09 Nicolas Pitre <nico@cam.org>
697 * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
699 2007-01-08 Geoffrey Keating <geoffk@apple.com>
701 * target.h (struct gcc_target): New field library_rtti_comdat.
702 * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
703 (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
704 * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
705 * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
707 2007-01-08 Geoffrey Keating <geoffk@apple.com>
709 * doc/invoke.texi (Optimize Options): Correct description of -O0.
711 2007-01-08 Richard Guenther <rguenther@suse.de>
713 * tree.h (force_fit_type_double): Export.
714 (force_fit_type): Remove.
715 * fold-const.c (force_fit_type_double): New function.
716 (force_fit_type): Remove.
717 (int_const_binop): Use it.
718 (fold_convert_const_int_from_int): Likewise.
719 (fold_convert_const_int_from_real): Likewise.
720 (fold_div_compare): Likewise.
721 (fold_sign_changed_comparison): Likewise.
722 (fold_unary): Likewise.
723 (fold_negate_const): Likewise.
724 (fold_abs_const): Likewise.
725 (fold_not_const): Likewise.
726 * c-common.c (shorten_compare): Use force_fit_type_double.
727 * convert.c (convert_to_pointer): Likewise.
729 2007-01-08 Richard Guenther <rguenther@suse.de>
731 * tree.h (build_int_cst_wide_type): Export.
732 * tree.c (build_int_cst_wide_type): New function.
733 (build_int_cst_wide): Fix comment.
734 * builtins.c (fold_builtin_object_size): Use build_int_cst
735 to build -1 or 0 of the correct type. Use fit_double_type
736 to check for overflow.
737 * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
739 (decode_field_reference): Likewise.
740 (all_ones_mask_p): Likewise.
741 (native_interpret_int): Use build_int_cst_wide_type.
742 (fold_binary): Use build_int_cst_type to build an all-ones
744 * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
746 2007-01-08 Daniel Jacobowitz <dan@codesourcery.com>
748 * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
750 2007-01-09 Ben Elliston <bje@au.ibm.com>
752 * genautomata.c (STATS_OPTION): New option.
753 (stats_flag): New flag.
754 (gen_automata_option): Handle it.
755 (initiate_automaton_gen): Ditto.
756 (write_automata): Output statistics only if stats_flag is
757 set. Likewise, output time statistics only if time_flag is set.
758 * doc/md.texi (Processor pipeline description): Document new flag.
760 2007-01-08 Richard Guenther <rguenther@suse.de>
762 * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
763 * tree.c (build_int_cst_type): Likewise.
764 (size_in_bytes): Don't call force_fit_type on the result.
765 (int_fits_type_p): Use fit_double_type.
766 * fold-const.c (fit_double_type): New function.
767 (force_fit_type): Use it.
768 * tree.h (fit_double_type): Export.
770 2007-01-08 Jan Hubicka <jh@suse.cz>
772 * tree-vectorizer.c (gate_increase_alignment): Fix return type.
773 * ipa.c (function_and_variable_visibility): Fix return type.
775 2007-01-08 Richard Guenther <rguenther@suse.de>
777 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
778 of offset to build the index.
779 * tree-pretty-print.c (dump_generic_node): Don't build negated
780 const just for printing.
781 * c-pretty-print.c (pp_c_integer_constant): Likewise.
782 * builtins.c (fold_builtin_int_roundingfn): Check if result
783 fits the type by using force_fit_type and comparing the result.
784 * predict.c (predict_loops): Use compare_tree_int for comparison.
785 * tree.c (build_int_cst): Fall back to integer_type_node for
787 (build_int_cst_wide): Assert type is non-null.
789 2007-01-08 Roberto Costa <roberto.costa@st.com>
791 * tree-vrp.c (extract_range_from_cond_expr): New.
792 (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
793 * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
795 (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
796 * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
797 tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
799 * tree-object-size.c (cond_expr_object_size): New.
800 (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
802 2007-01-08 Jan Hubicka <jh@suse.cz>
804 * tree-ssa-forwprop.c (forward_propagate_into_cond,
805 tree_ssa_forward_propagate_single_use_va): Release defs of propagated
808 2007-01-08 Richard Guenther <rguenther@suse.de>
810 PR tree-optimization/23603
811 * tree-vrp.c (set_value_range_to_truthvalue): New function.
812 (extract_range_from_binary): Fall back to truthvalue instead of
813 varying for TRUTH_*_EXPR.
814 (extract_range_from_comparison): Fall back to truthvalue instead of
816 (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
817 if all visited PHI values were constant.
819 2007-01-08 Jan Hubicka <jh@suse.cz>
821 * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
822 (cgraph_analyze_function): break out from ...
823 (cgraph_finalize_compilation_unit): ... here.
824 (cgraph_expand_function): Remove forgoten commented out line.
825 (cgraph_optimize): Analyze functions.
827 2007-01-08 Jan Hubicka <jh@suse.cz>
829 * tree-pas.h (TODO_remove_function): New flag.
830 (TODO_update*): Renumber.
831 (pass_ipa_increase_alignment,
832 pass_ipa_function_and_variable_visibility): New passes.
833 * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
834 (cgraph_function_and_variable_visibility): Move to ipa.c
835 (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
836 cgraph_increase_alignment.
837 * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
838 (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
840 (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
841 (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
842 * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
843 (gate_increase_alignment): New function.
844 (pass_ipa_increase_alignment): New pass.
845 * ipa.c: Inline tree-pass.h and timevar.h
846 (function_and_variable_visibility): Move here from cgraphunit.c
847 * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
848 * passes.c (init_optimization_passes): Add the two new passes.
849 (execute_todo): Handle cgraph_remove_functions.
851 2007-01-08 Nick Clifton <nickc@redhat.com>
853 * config/frv/predicates.md (reg_or_0_operand): Accept
856 2007-01-08 Ralf Corsépius <ralf.corsepius@rtems.org>
858 * config/bfin/rtems.h, config/bfin/t-rtems: New.
859 * config.gcc: Add bfin*-rtems*.
861 2007-01-08 Mark Shinwell <shinwell@codesourcery.com>
863 * c.opt: Add -flax-vector-conversions.
864 * c-typeck.c (convert_for_assignment): Pass flag to
865 vector_types_convertible_p to allow emission of note.
866 (digest_init): Likewise.
867 * c-opts.c: Handle -flax-vector-conversions.
868 * c-common.c (flag_lax_vector_conversions): New.
869 (vector_types_convertible_p): Unless -flax-vector conversions
870 has been passed, disallow conversions between vectors with
871 differing numbers of subparts and/or element types. If such
872 a conversion is disallowed, possibly emit a note on the first
873 occasion only to inform the user of -flax-vector-conversions.
874 The new last argument specifies this.
875 * c-common.h (flag_lax_vector_conversions): New.
876 (vector_types_convertible_p): Add extra argument.
877 * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
878 char_type_node for V*QI type vectors.
879 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
880 Update to satisfy new typechecking rules.
881 * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
883 * doc/invoke.texi (C Dialect Options): Document
884 -flax-vector-conversions.
886 2007-01-08 Mark Shinwell <shinwell@codesourcery.com>
888 PR tree-optimization/29877
889 * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
890 a register variable on the RHS to not be replaceable.
892 2007-01-08 Chen Liqin <liqin@sunnorth.com.cn>
893 * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
894 * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
895 const_simm15, const_pow2, const_npow2): Added.
896 * config/score/misc.md (insv, extv, extzv, movmemsi,
897 move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
898 * config/score/score.c (score_address_cost, score_select_cc_mode):
900 Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
901 Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
902 Update score_print_operand.
903 * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
904 Adjust register allocate order and update some macro define.
905 * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
906 mdx_block_move_straight, mdx_block_move_loop_head,
907 mdx_block_move_loop_body, mdx_block_move_loop_foot, mdx_block_move_loop,
908 mdx_block_move): Added.
909 (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
910 mdp_limm): Updated and fix some bug and typo.
911 * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
912 (movsf, movdf, doloop_end): Added.
914 2007-01-08 Kazu Hirata <kazu@codesourcery.com>
916 * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
917 config/arm/thumb2.md: Fix comment typos.
918 * doc/extend.texi: Fix a typo.
920 2007-01-07 Eric Christopher <echristo@apple.com>
922 * configure.ac: Check for __stack_chk_fail for darwin.
923 * configure: Regenerate.
925 2007-01-07 Richard Guenther <rguenther@suse.de>
927 * tree-vrp.c (extract_range_from_assert): CSE calls to
928 compare_values where possible.
929 (extract_range_from_unary_expr): Likewise.
931 2007-01-07 Anatoly Sokolov <aesok@post.ru>
933 * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
934 * config/avr/avr.c (call_insn_operand): Delete function.
935 * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
936 instead of register number. Use predicates.
937 * config/avr/predicates.md (const0_operand, reg_or_0_operand,
938 call_insn_operand): Add.
940 2007-01-06 Jan Hubicka <jh@suse.cz>
942 * tree-pass.h (pass_build_cgraph_edges): Declare.
943 * cgraphunit.c (record_refernece): Move to cgraphbuild.c
944 (visited_nodes): Remove.
945 (cgraph_create_edges): Move to cgraphbuild.c; rename to
946 build_cgrpah_edges; make visited_nodes local.
947 (cgraph_process_new_functions): DO not call initialize_inline_failed.
948 (record_references_in_initializer): Move to cgraphbuild.c
949 (initialize_inline_failed, rebuild_cgraph_edges,
950 pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
951 (verify_cgraph_node): Make visited_nodes local.
952 (cgraph_analyze_function): Do not call cgraph_create_edges and
953 initialize_inline_failed.
954 (cgraph_expand_function): Do not call cgraph_lower_function;
955 assert that function is already lowered.
956 * Makefile.in (cgraphbuild.o): New.
957 * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
958 at the end of lowering passes.
960 2007-01-06 Steven Bosscher <steven@gcc.gnu.org>
962 * ifcvt.c (cond_move_convert_if_block): New function, code
964 (cond_move_process_if_block): ...here. Call the new function
965 on the THEN and ELSE blocks.
966 (merge_if_block): Do not copy global_live_at_end, merge_blocks
967 already takes care of this.
969 2007-01-05 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
972 * tree.h (TREE_OVERFLOW_P): New.
973 * c-typeck.c (parser_build_unary_op): Warn only if result
974 overflowed and operands did not.
975 (parser_build_binary_op): Likewise.
976 (convert_for_assignment): Remove redundant overflow_warning.
977 * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
979 2007-01-05 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
981 * c-typeck.c (store_init_value): Split over two lines to follow
982 the GNU coding style.
984 2007-01-05 Benjamin Kosnik <bkoz@redhat.com>
986 * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
987 __GXX_EXPERIMENTAL_CXX0X__.
988 * doc/cpp.texi: Same.
990 2007-01-05 Richard Guenther <rguenther@suse.de>
993 * tree.c (get_narrower): Do not construct COMPONENT_REFs
994 with mismatched types. Instead explicitly build a
997 2007-01-05 Ian Lance Taylor <iant@google.com>
999 * c-common.c (decl_with_nonnull_addr_p): New function.
1000 (c_common_truthvalue_conversion): Call it.
1001 * c-typeck.c (build_binary_op): Likewise.
1002 * c-common.h (decl_with_nonnull_addr_p): Declare.
1004 2007-01-05 Jakub Jelinek <jakub@redhat.com>
1007 * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
1010 2007-01-05 Joel Brobecker <brobecker@adacore.com>
1012 * doc/install.texi (Final install): Document the fact that
1013 the GNAT runtime should not be stripped.
1015 2007-01-04 Jan Hubicka <jh@suse.cz>
1017 * tree-inline.c (fold_marked_statements): Update operand caches
1018 and EH after folding
1020 2007-01-04 Ian Lance Taylor <iant@google.com>
1022 * c-common.c (check_function_nonnull): Whitespace fix.
1024 2007-01-04 Jan Hubicka <jh@suse.cz>
1026 * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
1027 comitted older version of patch.
1028 (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
1029 function, celanup cfg and collect garbage.
1031 2007-01-04 Mike Stump <mrs@apple.com>
1033 * Makefile.in (mostlyclean): Don't remove libgcc anymore.
1036 2007-01-04 Eric Christopher <echristo@apple.com>
1038 * libgcc2.c (__bswapsi2): Use SItype.
1039 (__bswapdi2): Use DItype.
1040 * libgcc2.h: Update for above.
1042 2007-01-04 Paul Brook <paul@codesourcery.com>
1044 * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
1045 mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
1046 mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
1047 umulsidi3, umulsidi3adddi, smulsi3_highpart,
1048 umulsi3_highpart): Make conditional on !arm_arch6.
1049 (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
1050 mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
1051 mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
1052 umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
1053 umulsi3_highpart_v6): New insns.
1055 2007-01-04 Roger Sayle <roger@eyesopen.com>
1057 * fold-const.c (fold_convert): When casting an expression to void,
1058 fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
1059 have a type. Instead of attempting to build a NOP_EXPR, return
1060 these "special" trees directly.
1062 2007-01-04 Joseph Myers <joseph@codesourcery.com>
1064 * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
1065 MULT inside MINUS as either argument. Use rs6000_cost->dmul -
1066 rs6000_cost->fp not 0 as adjustment for outer NEG.
1068 2007-01-04 Jan Hubicka <jh@suse.cz>
1070 * cgraph.c (cgraph_release_function_body): New function.
1071 (cgraph_remove_node): Use it.
1072 * cgraph.h (cgraph_release_function_body): Declare.
1073 * cgraphunit.c (cgraph_expand_function): Use it.
1074 * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
1075 * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
1076 is initialized and while compilation of other function is running.
1077 * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
1078 statement CFG annotations from here to ...
1079 * tree-cfg.c (delete_tree_cfg_annotations): ... here.
1081 2007-01-04 Zdenek Dvorak <dvorakz@suse.cz>
1083 * cfgloop.h (enum li_flags): Make the constants powers of two.
1085 2007-01-04 Jan Hubicka <jh@suse.cz>
1087 * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
1089 (fold_marked_statements): New function.
1090 (optimize_inline_calls, tree_function_versioning): Fold new statements.
1091 * tree-inline.h (copy_body_data): Add statements_to_fold.
1093 2007-01-03 Daniel Jacobowitz <dan@codesourcery.com>
1095 * config.gcc: Mention libgcc/config.host.
1096 * Makefile.in: Update comments mentioning libgcc.
1097 (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
1098 (all.cross, start.encap, rest.encap, rest.cross): Update
1099 dependencies for libgcc move.
1100 (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
1101 (clean-target, clean-target-libgcc): Delete.
1102 (srcdirify, GCC_EXTRA_PARTS): New macros.
1103 (libgcc-support, libgcc.mvars): New rules.
1104 (distclean): Remove mention of mklibgcc.
1105 (install): Don't reference INSTALL_LIBGCC.
1106 (install-common): Don't reference EXTRA_PARTS.
1107 (install-libgcc, install-multilib): Delete rules.
1108 * mklibgcc.in: Delete file.
1109 * doc/configfiles.texi: Don't mention mklibgcc.
1111 * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
1112 * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
1113 * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
1114 * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
1115 (mklibgcc, ldblspecs): Likewise.
1117 * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
1118 (posixpre.def): Use $(T).
1119 (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
1120 (SHLIB_SRC, SHLIB_INSTALL): Delete.
1121 (SHLIB_LINK): Make dummy.
1122 * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
1124 * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
1126 * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
1127 * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
1128 config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
1129 config/rs6000/t-newas, config/sparc/t-elf: Likewise.
1131 * configure.ac (all_outputs): Remove mklibgcc.
1132 * configure: Regenerated.
1134 2007-01-03 Josh Conner <jconner@apple.com>
1137 * calls.c (compute_argument_addresses): Set stack and stack_slot
1138 for partial args, too.
1139 (store_one_arg): Use locate.size.constant for the size when
1140 generating a save_area.
1142 2007-01-03 Robert Kennedy <jimbob@google.com>
1144 * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
1145 whose definitions are deleted due to basic block merging.
1147 2007-01-03 Paul Brook <paul@codesourcery.com>
1150 * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
1152 (use_return_insn): Return 0 for Thumb interrupt functions.
1153 (print_multi_reg): Add rfe argument for IRQ returns.
1154 (arm_output_epilogue): Pop interrupt return address directly into PC.
1155 (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
1157 2007-01-03 Paul Brook <paul@codesourcery.com>
1159 Merge from sourcerygxx-4_1.
1160 * config/arm/thumb2.md: New file.
1161 * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
1163 * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
1164 * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
1165 (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
1166 * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
1168 (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
1169 * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
1171 * config/arm/ieee754-sf.S: Ditto.
1172 * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
1173 (thumb1_base_register_rtx_p): ... to this.
1174 (thumb_index_register_rtx_p): Rename...
1175 (thumb1_index_register_rtx_p): ... to this.
1176 (thumb_output_function_prologue): Rename...
1177 (thumb1_output_function_prologue): ... to this.
1178 (thumb_legitimate_address_p): Rename...
1179 (thumb1_legitimate_address_p): ... to this.
1180 (thumb_rtx_costs): Rename...
1181 (thumb1_rtx_costs): ... to this.
1182 (thumb_compute_save_reg_mask): Rename...
1183 (thumb1_compute_save_reg_mask): ... to this.
1184 (thumb_final_prescan_insn): Rename...
1185 (thumb1_final_prescan_insn): ... to this.
1186 (thumb_expand_epilogue): Rename...
1187 (thumb1_expand_epilogue): ... to this.
1188 (arm_unwind_emit_stm): Rename...
1189 (arm_unwind_emit_sequence): ... to this.
1190 (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
1191 thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
1192 thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
1193 arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
1194 thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
1195 thumb2_output_casesi): New functions.
1196 (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
1197 (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
1198 FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
1199 THUMB2_WORK_REGS): Define.
1200 (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
1201 arm_condexec_mask, arm_condexec_masklen)): New variables.
1202 (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
1203 (arm_override_options): Check new CPU capabilities.
1204 Set new architecture flag variables.
1205 (arm_isr_value): Handle v7m interrupt functions.
1206 (user_return_insn): Return 0 for v7m interrupt functions. Handle
1208 (const_ok_for_arm): Handle Thumb-2 constants.
1209 (arm_gen_constant): Ditto. Use movw when available.
1210 (arm_function_ok_for_sibcall): Return false for v7m interrupt
1212 (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
1213 (thumb_find_work_register, arm_load_pic_register,
1214 legitimize_tls_address, arm_address_cost, load_multiple_sequence,
1215 emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
1216 print_multi_reg, output_mov_long_double_fpa_from_arm,
1217 output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
1218 output_mov_double_fpa_from_arm, output_move_double,
1219 arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
1220 output_return_instruction, arm_output_function_prologue,
1221 arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
1222 arm_output_mi_thunk, thumb_set_return_address): Ditto.
1223 (arm_expand_prologue): Handle Thumb-2. Use arm_save_coproc_regs.
1224 (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
1225 (arithmetic_instr, shift_op): Use arm_shift_nmem.
1226 (arm_print_operand): Use arm_print_condition. Handle '(', ')', '.',
1228 (arm_final_prescan_insn): Use extract_constrain_insn_cached.
1229 (thumb_expand_prologue): Use thumb_set_frame_pointer.
1230 (arm_file_start): Output directive for unified syntax.
1231 (arm_unwind_emit_set): Handle stack alignment instruction.
1232 * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
1233 Add v6t2, v7, v7a, v7r and v7m.
1234 (RETLDM): Add Thumb-2 code.
1235 (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
1236 * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
1237 (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
1238 TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
1239 THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
1240 ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
1241 THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
1242 CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
1243 ADJUST_INSN_LENGTH): Define.
1244 (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
1245 STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
1246 BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
1247 PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
1248 SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
1249 TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
1250 HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
1251 HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
1252 REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
1253 REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
1254 LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
1255 GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
1256 ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
1257 FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
1258 PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
1259 (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
1260 * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
1262 * config/arm/arm-tune.md: Regenerate.
1263 * config/arm/arm-protos.h: Update prototypes.
1264 * config/arm/vfp.md: Enable patterns for Thumb-2.
1265 (arm_movsi_vfp): Add movw alternative. Use output_move_vfp.
1266 (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
1267 (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
1268 thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
1269 * config/arm/libunwind.S: Add Thumb-2 code.
1270 * config/arm/constraints.md: Update include Thumb-2.
1271 * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
1272 * config/arm/ieee754-df.S: Ditto.
1273 * config/arm/bpabi.S: Ditto.
1274 * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
1275 * config/arm/predicates.md (low_register_operand,
1276 low_reg_or_int_operand, thumb_16bit_operator): New.
1277 (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
1278 (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
1279 * config/arm/t-arm-elf: Add armv7 multilib.
1280 * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
1282 (UNSPEC_STACK_ALIGN, ce_count): New.
1283 (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
1284 arm_zero_extendsidi2, arm_zero_extendqidi2): New
1286 * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
1287 (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
1288 thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
1289 * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
1290 (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
1291 thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
1293 * doc/extend.texi: Document ARMv7-M interrupt functions.
1294 * doc/invoke.texi: Document Thumb-2 new cores+architectures.
1296 2007-01-03 Jakub Jelinek <jakub@redhat.com>
1298 * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
1299 (struct _Unwind_Context): Rename args_size to flags, remove
1300 signal_frame field, add a new args_size field and version field.
1301 (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
1302 _Unwind_IsExtendedContext): New inline functions.
1303 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
1304 Assume by_value array is only present if _Unwind_IsExtendedContext.
1305 (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
1306 _Unwind_IsSignalFrame.
1307 (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
1308 (uw_update_context_1): Use _Unwind_SetSignalFrame.
1309 (uw_init_context_1): Initialize context->flags to
1310 EXTENDED_CONTEXT_BIT.
1311 * config/rs6000/linux-unwind.h (frob_update_context): Use
1312 _Unwind_SetSignalFrame.
1314 2007-01-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
1317 * gimplify.c (gimplify_modify_expr_complex_part): Move below
1318 tree_to_gimple_tuple. Call tree_to_gimple_tuple when we need
1321 2007-01-03 Kazu Hirata <kazu@codesourcery.com>
1323 * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
1324 REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
1325 RET, AT_SP): Remove.
1326 * config/i386/i386.md (*sse_prologue_save_insn): Use return
1329 * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
1330 * cfgbuild.c (find_basic_blocks): Likewise.
1331 * cfgrtl.c (rtl_create_basic_block): Likewise.
1332 * function.c (temp_slots_at_level): Likewise.
1333 * reg-stack.c (stack_regs_mentioned): Likewise.
1334 * regclass.c (allocate_reg_info): Likewise.
1335 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
1336 set_bb_for_stmt, move_block_to_fn): Likewise.
1337 * tree-complex.c (tree_lower_complex): Likewise.
1338 * vec.h (VEC_safe_grow_cleared): New.
1340 * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
1342 2007-01-03 Zdenek Dvorak <dvorakz@suse.cz>
1344 * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
1345 * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
1347 * cfgloopmanip.c (scale_loop_frequencies): Export.
1348 (loopify): Scale the frequencies by prescribed coefficients.
1349 (set_zero_probability): New function.
1350 (duplicate_loop_to_header_edge): Improve updating of frequencies.
1351 (lv_adjust_loop_entry_edge, loop_version): Set probabilities
1352 and frequencies according to arguments.
1353 * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
1355 * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
1356 * modulo-sched.c (sms_schedule): Set probabilities for entering
1357 versioned loop correctly.
1358 * tree-vect-transform.c (vect_transform_loop): Ditto.
1359 * cfgloop.h (loopify, loop_version): Declaration changed.
1360 (scale_loop_frequencies): Declared.
1362 2007-01-02 Jan Hubicka <jh@suse.cz>
1364 * cgraph.c: Include tree-flow.h
1365 (cgraph_add_new-function): Handle IPA_SSA mode; execute
1367 * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
1368 * tree-pass.h (pass_all_early_optimizations): Declare.
1369 * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
1371 (cgraph_analyze_function): Do early_local_passes.
1372 * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
1373 Do not add referenced vars.
1374 * tree-optimize.c (gate_all_optimizations): Do not execute when not in
1376 (gate_all_early_local_passes): New gate.
1377 (pass_early_local_passes): Use new gate.
1378 (execute_early_local_optimizations): New functions.
1379 (gate_all_early_optimizations): New gate.
1380 (pass_all_early_optimizations): New pass.
1381 (execute_free_datastructures): Free SSA only when initialized.
1382 (gate_init_datastructures): Init only when optimizing.
1383 (tree_lowering_passes): Do early local passes when called late.
1384 * tree-profile.c (do_tree_profiling): Don't profile functions added
1386 (do_early_tree_profiling, pass_early_tree_profile): Kill.
1387 * tree-cfg.c (update_modified_stmts): Do not update when operands are
1389 * passes.c (init_optimizations_passes): Reorder so we go into SSA
1390 during early_local_passes.
1391 * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
1394 2007-01-02 Carlos O'Donell <carlos@codesourcery.com>
1396 * Makefile.in: Update copyright year.
1398 2007-01-02 Carlos O'Donell <carlos@codesourcery.com>
1400 * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
1401 in $(lang_checks) and check-consistency targets.
1403 2007-01-02 Jan Hubicka <jh@suse.cz>
1405 * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
1406 Do not add referenced vars.
1407 * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
1409 * passes.c (init_optimization_passes): Put mudflap_2 after
1410 free_datastructures.
1412 2007-01-02 Jan Hubicka <jh@suse.cz>
1414 * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
1415 Set NOTHROW flag on call statements proved to be nothrow.
1416 Update statement of local calls so new pure/const functions are
1417 updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
1419 (tree_rest_of_compilation): Register hooks and initialize bitmap
1420 early. Do not set after_inlining flag.
1422 2007-01-02 Steve Ellcey <sje@cup.hp.com>
1424 * sbitmap.c (HOST_BITS_PER_LONG_LONG): Change to
1425 HOST_BITS_PER_LONGLONG
1427 2007-01-02 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1430 * c-typeck.c (store_init_value): Don't emit pedantic overflow
1431 warning for non-static initializers.
1433 2007-01-02 Steven Bosscher <steven@gcc.gnu.org>
1435 * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
1436 m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
1437 rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
1438 Always use set_unique_reg_note to add REG_EQUAL notes.
1440 2007-01-02 Kazu Hirata <kazu@codesourcery.com>
1443 2007-01-02 Kazu Hirata <kazu@codesourcery.com>
1445 * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
1446 * cfgbuild.c (find_basic_blocks): Likewise.
1447 * cfgrtl.c (rtl_create_basic_block): Likewise.
1448 * function.c (temp_slots_at_level): Likewise.
1449 * reg-stack.c (stack_regs_mentioned): Likewise.
1450 * regclass.c (allocate_reg_info): Likewise.
1451 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
1452 set_bb_for_stmt, move_block_to_fn): Likewise.
1453 * tree-complex.c (tree_lower_complex): Likewise.
1454 * vec.h (VEC_safe_grow_cleared): New.
1456 2007-01-02 Ian Lance Taylor <iant@google.com>
1458 * c-common.c (c_common_truthvalue_conversion): When warning about
1459 using an assignment as a truth value, set TREE_NO_WARNING.
1461 2007-01-02 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1464 * c.opt (Wold-style-declaration): New.
1465 * doc/invoke.texi (C-only Warning Options): New.
1466 (Wold-style-declaration): Document it.
1467 (Wextra): Enabled by -Wextra.
1468 * c-opts.c (c_common_post_options): Enabled by -Wextra.
1469 * c-decl.c (declspecs_add_scspec): Replace -Wextra with
1470 -Wold-style-declaration.
1472 2007-01-02 Kazu Hirata <kazu@codesourcery.com>
1474 * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
1475 * cfgbuild.c (find_basic_blocks): Likewise.
1476 * cfgrtl.c (rtl_create_basic_block): Likewise.
1477 * function.c (temp_slots_at_level): Likewise.
1478 * reg-stack.c (stack_regs_mentioned): Likewise.
1479 * regclass.c (allocate_reg_info): Likewise.
1480 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
1481 set_bb_for_stmt, move_block_to_fn): Likewise.
1482 * tree-complex.c (tree_lower_complex): Likewise.
1483 * vec.h (VEC_safe_grow_cleared): New.
1485 2007-01-02 Douglas Gregor <doug.gregor@gmail.com>
1487 * c-common.c(c_common_nodes_and_builtins): Since variants of
1488 void_type_node get built before it is given a name, we need to
1489 give those variants the name, too.
1490 (complete_array_type): We need to work with the canonical main
1491 type of the array, from which we will build the qualified version.
1492 * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
1493 * print-tree.c (print_node): Display canonical type information
1495 * stor-layout.c (layout_type): When we don't know the
1496 alignment of a type for which we're building an array, we end up
1497 guessing wrong, so make the type require structural equality.
1498 * tree.c (make_node_stat): When we build a new type, it is its
1500 (build_type_attribute_qual_variant): When building an attribute
1501 variant, its canonical type is the non-attribute variant. However,
1502 if the attributes are target-dependent and they differ, we need to
1503 use structural equality checks for this type.
1504 (build_qualified_type): A qualified type is not equivalent to its
1505 unqualified variant; set the canonical type appropriately.
1506 (build_distinct_type_copy): When building a distinct type from
1507 another type, the new type is its own canonical type.
1508 (build_variant_type_copy): When building a new type variant, we
1509 assume that it is equivalent to the original type.
1510 (build_pointer_type_for_mode): When building a pointer type, also
1511 build a canonical type pointer.
1512 (build_reference_type_for_mode): When building a reference type,
1513 also build a canonical type reference.
1514 (build_index_type): When we can't hash an index type (e.g.,
1515 because its maximum value is negative), the index type requires
1516 structural equality tests.
1517 (build_array_type): Build the canonical form of an array type.
1518 (build_function_type): Function types require structural equality,
1519 because they contain default arguments, attributes, etc.
1520 (build_method_type_directly): Ditto for method types.
1521 (build_offset_type): Build the canonical offset type.
1522 (build_complex_type): Build the canonical vector type.
1523 (make_vector_type): Build the canonical vector type.
1524 * tree.h (TYPE_CANONICAL): New.
1525 (TYPE_STRUCTURAL_EQUALITY_P): New.
1526 (SET_TYPE_STRUCTURAL_EQUALITY): New.
1527 (struct tree_type): Added "canonical" field.
1528 * params.h (VERIFY_CANONICAL_TYPES): New.
1529 * doc/c-tree.texi (TYPE_CANONICAL): Document.
1530 (TYPE_STRUCTURAL_EQUALITY_P): Document.
1531 (SET_TYPE_STRUCTURAL_EQUALITY): Document.
1532 * doc/invoke.texi (verify-canonical-types): Document --param
1533 parameter for verifying canonical types.
1535 2007-01-02 Joseph Myers <joseph@codesourcery.com>
1537 * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
1538 powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
1539 powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
1540 powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
1542 * config/rs6000/e500.h: New.
1543 * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
1544 TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
1546 * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
1547 TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
1548 TARGET_E500_DOUBLE): Remove.
1549 * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
1550 TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
1551 * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
1552 * config/rs6000/rs6000.c (rs6000_override_options): Use
1555 2007-01-02 Joseph Myers <joseph@codesourcery.com>
1557 * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
1558 TARGET_E500_DOUBLE), not TARGET_E500, for %y.
1559 (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
1560 rs6000_emit_cmove): Don't check TARGET_E500.
1561 * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
1562 sordered): Don't check TARGET_E500.
1564 2007-01-01 Eric Christopher <echristo@apple.com>
1566 * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
1567 HARD_REGISTER_NUM_P.
1569 2007-01-01 Roger Sayle <roger@eyesopen.com>
1571 * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
1572 "X eq/ne (C1^C2)". Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
1573 has no side-effects. Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
1576 2007-01-01 Mike Stump <mrs@apple.com>
1578 * configure.ac: Remove support for building with Apple's gcc-3.1.
1580 2007-01-02 Joseph Myers <joseph@codesourcery.com>
1583 * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
1584 REG is a hard register. Do not modify REG before calling
1586 * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
1587 multiple of the size of YMODE for certain lowpart cases.
1589 2007-01-01 Andrew Pinski <pinskia@gmail.com>
1592 * gimplify (voidify_wrapper_expr): Update for
1595 2007-01-01 Andreas Schwab <schwab@suse.de>
1598 * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
1599 save of BR0 in extra_spill_size instead of spill_size.
1600 (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
1602 (ia64_expand_epilogue): Restore BR0 from its new location.
1604 2007-01-01 Andrew Pinski <pinskia@gmail.com>
1606 * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
1607 Use a temporary variable if the left hand side is not a gimple
1610 2007-01-01 Andrew Pinski <pinskia@gmail.com>
1612 * gimplify.c (gimplify_return_expr): Make the temporary variable
1613 for the return expression, a gimple register variable.
1615 2007-01-01 Jan Hubicka <jh@suse.cz>
1617 * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
1620 2007-01-01 Mike Stump <mrs@apple.com>
1622 * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
1624 * config/darwin.c (machopic_select_rtx_section): Use
1626 (darwin_mergeable_constant_section): Likewise.
1627 * configure: Regenerate.
1628 * config.in: Regenerate.
1630 2007-01-01 Jan Hubicka <jh@suse.cz>
1631 Andrew Pinski <pinskia@gmail.com>
1633 * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
1634 before starting IPA passes.