1 2008-03-26 Richard Guenther <rguenther@suse.de>
3 * fold-const.c (target.h): Include.
4 (fold_comparison): Fold comparison of addresses of two decls
5 that bind locally. Consolidate address folding code.
7 2008-03-26 Nick Clifton <nickc@redhat.com>
10 * config/stormy16/stormy16.c (xstormy16_legitimate_address_p): Do
11 not allow INT+INT as a legitimate addressing mode.
13 2008-03-26 Richard Guenther <rguenther@suse.de>
15 * tree-flow.h (widen_bitfield): Remove declaration.
16 * tree-ssa-ccp.c (visit_assignment): Remove unneeded code.
17 (widen_bitfield): Remove function.
18 * tree-ssa-dom.c (record_equivalences_from_stmt): Remove unneeded
21 2008-03-25 Andrew Pinski <andrew_pinski@playstation.sony.com>
24 * config/rs6000/rs6000-c.c (rs6000_builtin_type_compatible): Handle
27 2008-03-25 Richard Sandiford <rsandifo@nildram.co.uk>
29 PR rtl-optimization/35232
30 * reload1.c (reg_reloaded_call_part_clobbered): Clarify comment.
31 (forget_old_reloads_1, forget_marked_reloads): Don't clear
32 reg_reloaded_call_part_clobbered here.
33 (reload_regs_reach_end_p): New function.
34 (reload_reg_rtx_for_input): New variable.
35 (reload_reg_rtx_for_output): Likewise.
36 (emit_input_reload_insns): Use reloadreg rather than rl->reg_rtx
37 when reassigning a pseudo register. Load reloadreg from
38 reload_reg_rtx_for_input, moving the mode and register
40 (do_input_reload): ...here. Use the mode-adjusted reg_rtx
41 instead of the original when deciding whether an input reload
42 would be a no-op or whether an output reload can be deleted.
43 (emit_output_reload_insns): Use the mode-adjusted reg_rtx
44 when setting up new_spill_reg_store. Load it from
45 reload_reg_rtx_for_output, moving the mode and register
47 (do_output_reload): ...here. Use the mode-adjusted reg_rtx
48 instead of the original when deciding whether an output reload
49 would be a no-op. Do the same when modifying insn notes.
50 Use rtx_equal_p instead of == to compare the registers.
51 (inherit_piecemeal_p): Take a mode and two register numbers
53 (emit_reload_insns): Clear new_spill_reg_store for every hard
54 register in the reload register. Remove spill registers
55 from reg_reloaded_valid before considering whether to record
56 inheritance information for them. Use reload_reg_rtx_for_output
57 instead of reg_rtx when recording output reloads. Use
58 reload_reg_rtx_for_input instead of reg_rtx when recording
59 input reloads. Set or clear reg_reloaded_call_part_clobbered
60 at the same time as setting reg_reloaded_valid.
61 (delete_output_reload): Add a new_reload_reg parameter and use it
62 instead of rld[j].reg_rtx.
63 (emit_input_reload_insns, do_input_reload, do_output_reload): Adjust
66 2008-03-25 Tom Tromey <tromey@redhat.com>
68 * Makefile.in (build/gensupport.o): Depend on insn-modes.h.
69 (build/genattr.o): Likewise.
70 (build/genattrtab.o): Likewise.
71 (build/gencodes.o): Likewise.
72 (build/genconfig.o): Likewise.
73 (build/genconstants.o): Likewise.
74 (build/genemit.o): Likewise.
75 (build/genextract.o): Likewise.
76 (build/genflags.o): Likewise.
78 2008-03-25 Bob Wilson <bob.wilson@acm.org>
80 * config/xtensa/xtensa.c (xtensa_va_start): Use build_int_cst
81 instead of size_int for integer types.
82 (xtensa_gimplify_va_arg_expr): Likewise. Convert index to sizetype
83 to match type of MINUS_EXPR.
85 2008-03-25 Tom Tromey <tromey@redhat.com>
88 * configure.ac (BUILD_DEPMODE): Extract CCDEPMODE from temporary
91 2008-03-25 Tom Tromey <tromey@redhat.com>
93 * config/x-solaris (host-solaris.o): Update.
94 * config/x-linux (host-linux.o): Update.
95 * config/x-hpux (host-hpux.o): Update.
96 * config/x-darwin (host-darwin.o): Update.
97 * config/v850/t-v850e (v850-c.o): Update.
98 * config/v850/t-v850 (v850-c.o): Update.
99 * config/t-vxworks (vxworks.o): Update.
100 * config/t-sol2 (sol2-c.o, sol2.o): Update.
101 * config/t-darwin (darwin.o, darwin-c.o, darwin-driver.o): Update.
102 * config/spu/t-spu-elf (spu-c.o): Update.
104 * config/sh/t-symbian (sh-c.o): Update.
106 * config/sh/t-sh (sh-c.o): Update.
107 * config/score/t-score-elf (score7.o, score3.o): Update.
108 * config/rs6000/x-rs6000 (driver-rs6000.o): Update.
109 * config/rs6000/x-darwin64 (host-ppc64-darwin.o): Update.
110 * config/rs6000/x-darwin (host-ppc-darwin.o): Update.
111 * config/rs6000/t-rs6000 (rs6000-c.o): Update.
113 * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
114 * config/m32c/t-m32c (m32c-pragma.o): Update.
115 * config/ia64/t-ia64 (ia64-c.o): Update.
116 * config/i386/x-mingw32 (host-mingw32.o): Update.
117 * config/i386/x-i386 (driver-i386.o): Update.
118 * config/i386/x-darwin (host-i386-darwin.o): Update.
119 * config/i386/x-cygwin (host-cygwin.o): Update.
120 * config/i386/t-nwld (nwld.o): Update.
121 * config/i386/t-netware (netware.o): Update.
122 * config/i386/t-interix (winnt.o): Update.
123 * config/i386/t-cygwin (cygwin1.o, cygwin2.o): Update.
124 * config/i386/t-cygming (winnt.o, winnt-cxx.o, winnt-stubs.o,
125 msformat-c.o): Update.
126 * config/bfin/t-bfin-linux (generated_files): Add
127 linux-sysroot-suffix.h.
128 * config/arm/t-wince-pe (pe.o): Update.
129 * config/arm/t-strongarm-pe (pe.o): Update.
130 * config/arm/t-pe (pe.o): Update.
131 * config/arm/t-arm (arm-c.o): Update.
132 * doc/install.texi (Prerequisites): Require make 3.80.
133 * Makefile.in: Remove .o targets.
134 (CCDEPMODE, DEPDIR, depcomp, BUILD_DEPMODE): New variables.
135 (OBSTACK_H, FIBHEAP_H, PARTITION_H, MD5_H, BCONFIG_H): Remove.
136 (simple_generated_h, simple_generated_c): Move earlier.
137 (generated_files): New variable.
138 (TARGET_H, MACHMODE_H, HOOKS_H, HOSTHOOKS_DEF_H, LANGHOOKS_DEF_H,
139 TARGET_DEF_H, RTL_BASE_H, RTL_H, PARAMS_H, BUILTINS_DEF, TREE_H,
140 BASIC_BLOCK_H, GCOV_IO_H, COVERAGE_H, DEMANGLE_H, RECOG_H,
141 ALIAS_H, EMIT_RTL_H, FLAGS_H, FUNCTION_H, EXPR_H, OPTABS_H,
142 REGS_H, RA_H, RESOURCE_H, SCHED_INT_H, INTEGRATE_H, CFGLAYOUT_H,
143 CFGLOOP_H, IPA_UTILS_H, IPA_REFERENCE_H, IPA_TYPE_ESCAPE_H,
144 CGRAPH_H, DF_H, RESOURCE_H, DDG_H, GCC_H, GGC_H, TIMEVAR_H,
145 INSN_ATTR_H, C_COMMON_H, C_PRAGMA_H, C_TREE_H, SYSTEM_H,
146 PREDICT_H, DECNUM_H, MKDEPS_H, SYMTAB_H, TREE_DUMP_H,
147 TREE_GIMPLE_H, TREE_FLOW_H, TREE_SSA_LIVE_H, PRETTY_PRINT_H,
148 DIAGNOSTIC_H, C_PRETTY_PRINT_H, SCEV_H, LAMBDA_H, TREE_DATA_REF_H,
149 VARRAY_H, TREE_INLINE_H, REAL_H, DBGCNT_H, EBIMAP_H): Remove.
151 (COMPILE.base, COMPILE): New variables.
152 (%.o): New pattern rule.
153 (ALL_HOST_OBJS): New variable.
154 (xgcc$(exeext), cpp$(exeext)): Remove extra version.o.
155 (dummy-checksum.o, cc1-checksum.o): Remove.
156 (DRIVER_SHLIB): New variable.
157 (DRIVER_DEFINES): Use it.
158 (gencondmd.c): Move out of build/.
159 (s-conditions): Update.
160 (BUILDCOMPILE.base, BUILDCOMPILE): New variables.
161 (ALL_BUILD_OBJS): Likewise.
162 (build/%.o): Use BUILDCOMPILE.
163 (build/ggc-none.o, build/ggc-none.o, build/min-insn-modes.o,
164 build/print-rtl.o, build/read-rtl.o, build/rtl.o, build/vec.o,
165 build/gencondmd.o, build/genattrtab.o, build/genautomata.o,
166 build/gencheck.o, build/gencodes.o, build/genconditions.o,
167 build/genconfig.o, build/genconstants.o, build/genemit.o,
168 build/genextract.o, build/genflags.o, build/genmddeps.o,
169 build/genopinit.o, build/genoutput.o, build/genpeep.o,
170 build/genpreds.o, build/genrecog.o, build/gcov-iov.o,
171 build/gen-protos.o, build/scan.o, build/fix-header.o,
172 build/scan-decls.o): Simplify.
173 (collect2.o, c-opts.o, gcc.o, gccspec.o, gcc-options.o,
174 cppdefault.o, protoize.o, unprotoize.o, intl.o, version.o,
175 prefix.o, toplev.o): Reduce to variable setting.
176 (libbackend.o): Use COMPILE. Remove most dependencies. Move later.
177 ($(out_object_file), gcc-options.o): New targets.
178 ($(ALL_HOST_OBJS)): New target. Include dependency files.
179 * configure: Rebuilt.
180 * configure.ac: Call ZW_CREATE_DEPDIR, ZW_PROG_COMPILER_DEPENDENCIES.
181 * doc/sourcebuild.texi (Front End Directory): Document new variable.
183 2008-03-25 Douglas Gregor <doug.gregor@gmail.com>
185 * c-common.c (c_sizeof_or_alignof_type): If we're not allowed to
186 complain when we hit an error, return ERROR_MARK_NODE.
188 2008-03-25 Naveen.H.S <naveen.hs@kpitcummins.com>
190 * config/sh/constraints.md (Pso, Psz): New constraints.
191 * config/sh/sh.c (print_operand): Add %V and %W operand codes.
192 * config/sh/sh.md (*andsi3_bclr, *iorsi3_bset): New insns.
194 2008-03-25 Naveen.H.S <naveen.hs@kpitcummins.com>
196 * config/sh/sh.c (sh_expand_t_scc): Emit movrt for SH2A if possible.
197 * config/sh/sh.md (xorsi3_movrt, movrt): New insns.
199 2008-03-25 Naveen.H.S <naveen.hs@kpitcummins.com>
201 * config/sh/sh.md (prefetch): Add condition for SH2A target.
202 (prefetch_sh2a): New.
204 2008-03-25 Jayant Sonar <Jayant.sonar@kpitcummins.com>
205 Naveen.H.S <naveen.hs@kpitcummins.com>
207 * config/sh/constraints.md (I28): New constraint.
208 * config/sh/sh.c (broken_move): Add support for movi20s.
209 * config/sh/sh.md (movsi_ie): Add the alternative for movi20s.
211 2008-03-25 Anil Paranjape <anil.paranjape@kpitcummins.com>
212 Jayant Sonar <Jayant.sonar@kpitcummins.com>
213 Naveen.H.S <naveen.hs@kpitcummins.com>
215 * config/sh/sh.c (SH_ATTRIBUTES): Define.
216 (SYMBOL_FLAG_FUNCVEC_FUNCTION): Define.
217 (print_operand): Handle resbank in %@ operand code.
218 (sh_encode_section_info): New.
219 (push_regs): Add conditions for resbank.
220 (sh_expand_epilogue): Likewise.
221 (sh_insert_attributes): Likewise.
222 (sh_attribute_table): Likewise.
223 (sh_handle_resbank_handler_attribute): New.
224 (sh2a_handle_function_vector_handler_attribute): New.
225 (sh2a_is_function_vector_call): New.
226 (sh2a_get_function_vector_number): New.
227 (sh2a_function_vector_p): New.
228 (sh_cfun_resbank_handler_p): New.
229 * config/sh/sh.md (calli): Emit jsr/n if possible.
230 (calli_tbr_rel): New.
231 (calli_pcrel): Emit jsr/n if possible.
232 (return_i): Emit rts/n if possible.
233 (call_valuei_tbr_rel): New.
234 (call_valuei_pcrel): Add condition for SH2A target.
235 (call_value): Likewise.
236 * config/sh/sh-protos.h (sh_cfun_resbank_handler_p): Declare.
237 (sh2a_get_function_vector_number): Likewise.
238 (sh2a_is_function_vector_call): Likewise.
239 * doc/extend.texi: Document TBR relative addressing of SH2A.
240 (resbank): Add description for SH2A.
242 2008-03-24 Richard Guenther <rguenther@suse.de>
245 * gimplify.c (gimplify_modify_expr): For frontend type-correct
246 pointer assignments change conversions according to middle-end rules.
247 (gimplify_modify_expr_rhs): Deal with NULL TARGET_EXPR_INITIAL.
248 * configure.ac: Include type checking in yes.
249 * configure: Regenerate.
251 2008-03-24 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
253 * diagnostic.c (diagnostic_count_diagnostic): Delete.
254 (diagnostic_report_diagnostic): Update. Handle ICEs here.
256 2008-03-24 Nathan Sidwell <nathan@codesourcery.com>
258 * gthr-vxworks.h (UNUSED): Define.
260 2008-03-23 H.J. Lu <hongjiu.lu@intel.com>
262 * config/i386/i386.h (STATIC_CHAIN_REGNUM): Use R10_REG and
265 2008-03-23 Zuxy Meng <zuxy.meng@gmail.com>
267 * doc/extend.texi (Function Attributes): Add missing comma in the
268 example of the "alloc_size" attribute.
270 2008-03-23 Uros Bizjak <ubizjak@gmail.com>
273 2008-03-05 H.J. Lu <hongjiu.lu@intel.com>
275 * config/i386/i386-modes.def: Use 4 byte alignment on DI for
278 2008-03-19 Uros Bizjak <ubizjak@gmail.com>
281 * stor-layout.c (update_alignment_for_field): Set minimum alignment
282 of the underlying type of a MS bitfield layout to the natural
283 alignment of the type.
285 2008-03-22 Uros Bizjak <ubizjak@gmail.com>
287 * config/i386/i386.c (assign_386_stack_local): Align DImode slots
288 to their natural alignment to avoid store forwarding stalls.
290 2008-03-22 Richard Guenther <rguenther@suse.de>
292 * tree-cfg.c (verify_expr): Recurse again for invariant addresses.
293 For PHI nodes verify the address is invariant.
294 * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): Remove.
295 (get_symbol_constant_value): Use is_gimple_min_invariant.
296 (maybe_fold_stmt_indirect): Likewise.
298 2008-03-22 Richard Sandiford <rsandifo@nildram.co.uk>
300 PR rtl-optimization/33927
301 * Makefile.in (dse.o): Depend on $(TM_P_H).
302 * expr.h (extract_low_bits): Declare.
303 * expmed.c (extract_low_bits): New function.
304 * rtlhooks.c (gen_lowpart_general): Generalize SUBREG handling.
305 * dse.c: Include tm_p.h.
306 (find_shift_sequence): Remove the read_reg argument and return the
307 read value. Emit the instructions instead of returning them.
308 Iterate on new_mode rather than calculating it each time.
309 Check MODES_TIEABLE_P. Use simplify_gen_subreg to convert the
310 source to NEW_MODE and extract_low_bits to convert the shifted
312 (replace_read): Allow the load and store to have different mode
313 classes. Use extract_low_bits when SHIFT == 0. Create the shift
314 or extraction instructions before trying the replacement. Update
315 dump-file code accordingly, avoiding use of REGNO (store_info->rhs).
317 2008-03-22 Uros Bizjak <ubizjak@gmail.com>
319 * config/i386/i386.c (assign_386_stack_local): Align DImode slots
320 to their natural alignment to avoid store forwarding stalls.
322 2008-03-21 Andrew Pinski <andrew_pinski@playstation.sony.com>
325 * config/rs6000/rs6000.md (floatdidf2): Discouraging fprs and
326 encouraging but not allowing gprs for input;
327 change the input constraint to !f#r.
328 (fix_truncdfdi2): Discouraging fprs and encouraging but not allowing
330 change the output constraint to !f#r.
332 2008-03-21 Uros Bizjak <ubizjak@gmail.com>
335 * config/i386/i386.md ("*floatunssi<mode2>_1"): New pattern with
336 corresponding post-reload splitters.
337 ("floatunssi<mode>2"): Expand to unsigned_float x87 insn pattern
338 when x87 FP math is selected.
339 * config/i386/i386-protos.h (ix86_expand_convert_uns_sixf_sse):
340 New function prototype.
341 * config/i386/i386.c (ix86_expand_convert_uns_sixf_sse): New
342 unreachable function to ease macroization of insn patterns.
344 2008-03-21 Martin Jambor <mjambor@suse.cz>
346 * tree-data-ref.c (dump_data_dependence_relation): Avoid data
347 reference dumps if ddr is NULL or dependence is unknown.
349 2008-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
351 * config/sh/linux-atomic.asm (ATOMIC_TEST_AND_SET): Take
352 unsigned extension into account.
353 (ATOMIC_COMPARE_AND_SWAP): Likewise.
354 (ATOMIC_FETCH_AND_OP, ATOMIC_FETCH_AND_COMBOP): Likewise.
355 Do computations on a scratch register.
357 2008-03-21 Richard Guenther <rguenther@suse.de>
359 * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
360 Use is_gimple_min_invariant instead of TREE_INVARIANT.
361 * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Likewise.
362 * tree-ssa-dom.c (record_equality): Likewise.
363 * tree-inline.c (copy_body_r): Likewise.
364 * tree-ssa-pre.c (make_values_for_stmt): Remove test for
367 2008-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
369 * config/sh/sh.c (split_branches): Pass zero to redirect_jump
370 as 'delete_unused' argument.
372 2008-03-20 Richard Guenther <rguenther@suse.de>
374 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
375 special casing of constant qualifiers.
376 * tree-ssa.c (useless_type_conversion_p_1): Instead do not
377 care about them in general.
378 * tree-ssa-ccp.c (ccp_fold): Addresses are constant or not
379 regardless of their type.
380 (fold_stmt_r): Forcefully fold *& if we end up with that.
382 2008-03-20 Paul Brook <paul@codesourcery.com>
384 * config.gcc (arm*-*-uclinux*): Remove duplicate arm/uclinux-elf.h.
385 * config/arm/uclinux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Add extra
387 * config/arm/bpabi.h (SUBTARGET_EXTRA_LINK_SPEC): Provide default
389 (LINK_SPEC): Use SUBTARGET_EXTRA_LINK_SPEC.
390 * config/arm/unwind-arm.h (_Unwind_decode_target2): Add uClinux.
392 2008-03-20 Volker Reichelt <v.reichelt@netcologne.de>
394 * common.opt (Wmudflap): New option.
395 * tree-mudflap.c (mf_xform_derefs_1): Guard warning by OPT_Wmudflap.
396 (mx_register_decls): Likewise.
397 (mudflap_finish_file): Likewise.
398 * doc/invoke.texi: Document -Wno-mudflap.
400 2008-03-20 Kai Tietz <kai.tietz@onevision.com>
402 * c-format.c (replace_format_name_to_system_name): New.
404 (convert_format_name_to_system_name): New.
405 (decode_format_attr): Add use of convert_format_name_to_system_name.
406 (format_types_orig): Add gnu_ prefix to names.
407 (check_format_info_main): Special treating of \0 escaped names for
408 supporting multi-character format specifiers as I32, I64.
409 (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): Use of user defined attributes.
410 (gnu_target_overrides_format_attributes): New.
411 * c-format.h: Add structure target_ovr_attr to hold
412 system specific formatter names.
413 * config.gcc: Add for x86&x86_64 cygwin and mingw32 targets the
414 msformat-c.o file to c_target_objs and cxx_target_objs.
415 * config/i386/mingw32.h (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
416 (TARGET_OVERRIDES_FORMAT_ATTRIBUTES_COUNT): New.
417 (TARGET_N_FORMAT_TYPES): New.
418 * config/i386/msformat-c.c: New.
419 * config/i386/t-cygming: Add build rule for msformat-c.o.
420 * doc/extend.texi: Add new format names gnu_* and ms_* and
422 * doc/tm.texi: (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
424 2008-03-20 Ira Rosen <irar@il.ibm.com>
426 * doc/invoke.texi (-O3): Add -ftree-vectorize to the list of
427 optimizations turned on under -O3.
428 (ftree-vectorize): Add that the flag is turned on with -O3.
430 2008-03-20 Ben Elliston <bje@au.ibm.com>
432 * regmove.c (try_auto_increment): Fix spelling error in comment.
433 * final.c (final_scan_insn): Likewise.
435 2008-03-20 Uros Bizjak <ubizjak@gmail.com>
438 * config/i386/mmx.md (*mov<mode>_internal_rex64"): Adjust register
439 allocator preferences for "y" and "r" class registers.
440 ("*mov<mode>_internal"): Ditto.
441 ("*movv2sf_internal_rex64"): Ditto.
442 ("*movv2sf_internal"): Ditto.
444 2008-03-19 Michael Matz <matz@suse.de>
447 * calls.c (expand_call): Check overlap of arguments with call
448 address for sibcalls.
450 2008-03-19 Uros Bizjak <ubizjak@gmail.com>
453 * stor-layout.c (update_alignment_for_field): Set minimum alignment
454 of the underlying type of a MS bitfield layout to the natural
455 alignment of the type.
457 2008-03-19 Jan Hubicka <jh@suse.cz>
460 * toplev.c (decode_d_option): Handle all CPP flags.
461 * tree-vrp.c: Update tree_pass descriptors.
462 * regrename.c: Update tree_pass descriptors.
463 * fwprop.c: Update tree_pass descriptors.
464 * doc/invoke.texi: Remove documentation of dropped -d? flags.
465 * tree-into-ssa.c: Update tree_pass descriptors.
466 * tree-dump.c: Update tree_pass descriptors.
467 * tree-complex.c: Update tree_pass descriptors.
468 * tree-dump.h: Update tree_pass descriptors.
469 * see.c: Update tree_pass descriptors.
470 * cgraphbuild.c: Update tree_pass descriptors.
471 * tracer.c: Update tree_pass descriptors.
472 * tree-loop-distribution.c: Update tree_pass descriptors.
473 * cgraph.c: Update tree_pass descriptors.
474 * postreload-gcse.c: Update tree_pass descriptors.
475 * postreload.c: Update tree_pass descriptors.
476 * tree-ssa-loop-ch.c: Update tree_pass descriptors.
477 * tree-tailcall.c: Update tree_pass descriptors.
478 * tree-pass.h (tree_opt_pass): Rename to ...
479 (opt_pass) ... this one; add "type" field and remove letter field.
480 (gimple_opt_pass, rtl_opt_pass, simple_ipa_opt_pass): New.
481 (execute_pass_list, execute_ipa_pass_list, all_passes, all_ipa_passes,
482 all_lowering_passes): Update declaration.
483 * ipa-cp.c: Update tree_pass descriptors.
484 * final.c: Update tree_pass descriptors.
485 * omp-low.c: Update tree_pass descriptors.
486 * tree-ssa-dse.c: Update tree_pass descriptors.
487 * ipa-reference.c: Update tree_pass descriptors.
488 * tree-ssa-uncprop.c: Update tree_pass descriptors.
489 * auto-inc-dec.c: Update tree_pass descriptors.
490 * reorg.c: Update tree_pass descriptors.
491 * cgraphunit.c: Update tree_pass descriptors.
492 * tree-ssa-copyrename.c: Update tree_pass descriptors.
493 * tree-ssa-ccp.c: Update tree_pass descriptors.
494 * df-core.c: Update tree_pass descriptors.
495 * mode-switching.c: Update tree_pass descriptors.
496 * tree-nomudflap.c: Update tree_pass descriptors.
497 * modulo-sched.c: Update tree_pass descriptors.
498 * ipa-pure-const.c: Update tree_pass descriptors.
499 * cse.c: Update tree_pass descriptors.
500 * web.c: Update tree_pass descriptors.
501 * tree-stdarg.c: Update tree_pass descriptors.
502 * tree-ssa-math-opts.c: Update tree_pass descriptors.
503 * tree-ssa-dom.c: Update tree_pass descriptors.
504 * tree-nrv.c: Update tree_pass descriptors.
505 * tree-ssa-alias.c: Update tree_pass descriptors.
506 * loop-init.c: Update tree_pass descriptors.
507 * gimple-low.c: Update tree_pass descriptors.
508 * ipa-inline.c: Update tree_pass descriptors.
509 * tree-ssa-sink.c: Update tree_pass descriptors.
510 * global.c: Update tree_pass descriptors.
511 * ifcvt.c: Update tree_pass descriptors.
512 * jump.c: Update tree_pass descriptors.
513 * predict.c: Update tree_pass descriptors.
514 * tree-ssa-loop.c: Update tree_pass descriptors.
515 * recog.c: Update tree_pass descriptors.
516 * dse.c: Update tree_pass descriptors.
517 * tree-ssa-ifcombine.c: Update tree_pass descriptors.
518 * tree-eh.c: Update tree_pass descriptors.
519 * regmove.c: Update tree_pass descriptors.
521 * function.c: Update tree_pass descriptors.
522 * tree-vectorizer.c: Update tree_pass descriptors.
523 * gcse.c: Update tree_pass descriptors.
524 * ipa-type-escape.c: Update tree_pass descriptors.
525 * tree-if-conv.c: Update tree_pass descriptors.
526 * init-regs.c: Update tree_pass descriptors.
527 * ipa.c: Update tree_pass descriptors.
528 * tree-ssa-phiopt.c: Update tree_pass descriptors.
529 * rtl-factoring.c: Update tree_pass descriptors.
530 * lower-subreg.c: Update tree_pass descriptors.
531 * bt-load.c: Update tree_pass descriptors.
532 * tree-dfa.c: Update tree_pass descriptors.
533 * except.c: Update tree_pass descriptors.
534 * emit-rtl.c: Update tree_pass descriptors.
535 * cfgexpand.c: Update tree_pass descriptors.
536 * tree-cfgcleanup.c: Update tree_pass descriptors.
537 * cfgcleanup.c: Update tree_pass descriptors.
538 * tree-ssa-pre.c: Update tree_pass descriptors.
539 * tree-sra.c: Update tree_pass descriptors.
540 * tree-mudflap.c: Update tree_pass descriptors.
541 * tree-ssa-copy.c: Update tree_pass descriptors.
542 * cfglayout.c: Update tree_pass descriptors.
543 * tree-ssa-forwprop.c: Update tree_pass descriptors.
544 * tree-ssa-dce.c: Update tree_pass descriptors.
545 * tree-ssa.c: Update tree_pass descriptors.
546 * regclass.c: Update tree_pass descriptors.
547 * integrate.c: Update tree_pass descriptors.
548 * tree-optimize.c: Update tree_pass descriptors.
549 * tree-ssa-phiprop.c: Update tree_pass descriptors.
550 * tree-object-size.c: Update tree_pass descriptors.
551 * combine.c: Update tree_pass descriptors.
552 * tree-outof-ssa.c: Update tree_pass descriptors.
553 * bb-reorder.c: Update tree_pass descriptors.
554 * stack-ptr-mod.c: Update tree_pass descriptors.
555 * var-tracking.c: Update tree_pass descriptors.
556 * tree-profile.c: Update tree_pass descriptors.
557 * tree-vect-generic.c: Update tree_pass descriptors.
558 * reg-stack.c: Update tree_pass descriptors.
559 * sched-rgn.c: Update tree_pass descriptors.
560 * tree-ssa-structalias.c: Update tree_pass descriptors.
561 * tree-cfg.c: Update tree_pass descriptors.
562 * passes.c (current_pass): Update declaration.
563 (finish_optimization_passes): Update.
564 (all_passes, all_ipa_passes, all_lowering_passes): Update declaration.
565 (register_one_dump_file, register_dump_files_1, next_pass_1):
567 (init_optimization_passes): Update handling of new types.
568 (execute_one_pass, execute_pass_list, execute_ipa_pass_list): Update.
569 * ipa-struct-reorg.c: Update tree_pass descriptors.
570 * tree-ssa-reassoc.c: Update tree_pass descriptors.
571 * combine-stack-adj.c: Update tree_pass descriptors.
572 * cfgrtl.c: Update tree_pass descriptors.
573 * dce.c: Update tree_pass descriptors.
574 * tree-ssanames.c: Update tree_pass descriptors.
576 2008-03-19 Richard Guenther <rguenther@suse.de>
579 * tree-ssa.c (walk_data): New structure.
580 (warn_uninitialized_var): If not always_executed warn with "maybe"
582 (execute_early_warn_uninitialized): Compute post-dominators.
583 Initialize always_executed before processing each basic block.
585 2008-03-18 Mikulas Patocka <mikulas@artax.karlin.mff.cuni.cz>
588 * config/i386/i386.c (x86_this_parameter): Calculate correct location
589 of "this" pointer when "regparm = N" or "fastcall" is in effect.
591 2008-03-18 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
593 * doc/include/texinfo.tex: Update to version 2008-03-17.10.
595 2008-03-18 Paolo Bonzini <bonzini@gnu.org>
597 * expr.c (store_expr): Assume lang_hooks.reduce_bit_field_operations
599 (expand_expr_real_1) <REDUCE_BIT_FIELD>: Don't look at ignore.
600 (expand_expr_real_1): Assume lang_hooks.reduce_bit_field_operations
601 is true. Add "&& !ignore" condition to reduce_bit_field. Modify
602 target after ignore has been set, and move there also the commputation
603 of subtarget and original_target.
604 * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Delete.
605 (LANG_HOOKS_INITIALIZER): Remove it.
606 * langhooks.h (struct lang_hooks): Remove reduce_bit_field_operations.
608 2008-03-18 Richard Guenther <rguenther@suse.de>
610 * tree-ssa-sccvn.c (visit_reference_op_load): If the lookup
611 found an expression with constants, note that in the VN for the lhs.
612 * tree-ssa-pre.c (eliminate): Visit COND_EXPR statements and
613 fold them to constants if possible. Run cleanup_cfg if done so.
614 (execute_pre): Return todo.
616 (execute_fre): Likewise.
617 * tree-ssa-forwprop.c (can_propagate_from): Allow propagation
619 (get_prop_source_stmt): Look through pointer conversions.
621 2008-03-18 Jan Hubicka <jh@suse.cz>
623 * tree-pretty-print.c: Include predict.h.
624 (dump_generic_node): Dump predictor.
625 * tree.h (PREDICT_EXPR_OUTCOME, PREDICT_EXPR_PREDICTION): Update.
626 * tree-gimple.c (is_gimple_stmt): Add PREDICT_EXPR.
627 * gimple-low.c (lower_stmt): Likewise.
628 * expr.c (expand_expr_real): Likewise.
629 * predict.c (tree_bb_level_predictions): Use PREDICT_EXPRs and remove
631 (build_predict_expr, build_predict_expr): New.
632 * predict.h (predictor_name, build_predict_expr): Update.
633 * c-typeck.c (c_finish_bc_stmt): Add prediction.
634 * gimplify.c (gimplify_expr): Add PREDICT_EXPR.
635 * predict.def (PRED_CONTINUE): Update hitrate.
636 * tree.def (PREDICT_EXPR): Define.
637 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Mark PREDICT_EXPR;
638 do not handle BIND_EXPR.
639 * tree-inline.c (estimate_num_insns_1): PREDICT_EXPR is free.
640 * tree-cfg.c (verify_gimple_stmt): PREDICT_EXPR is valid.
641 * tree-ssa-operands.c (get_expr_operands): PREDICT_EXPR takes no
644 2008-03-18 Michael Matz <matz@suse.de>
646 * gcov-io.h (__gcov_merge_ior, __gcov_fork): Mark hidden.
648 2008-03-18 Richard Guenther <rguenther@suse.de>
650 * tree-gimple.h (is_gimple_invariant_address): Declare.
651 (is_gimple_constant): Likewise.
652 * tree-gimple.c (is_gimple_constant): New function.
653 (is_gimple_invariant_address): Likewise.
654 (is_gimple_min_invariant): Implement in terms of is_gimple_constant
655 and is_gimple_invariant_address.
656 * tree-ssa-loop-niter.c (expand_simple_operations): Revert
658 * tree-data-ref.c (get_references_in_stmt): A SSA_NAME is not
661 2008-03-18 Jakub Jelinek <jakub@redhat.com>
664 * gimplify.c (gimplify_expr): Gimplify second operand of
667 2008-03-17 Richard Guenther <rguenther@suse.de>
669 PR tree-optimization/19637
670 * fold-const.c (fold_unary): Remove restrictions of removing
671 intermediate pointer-conversions (P2)(P1)P0.
672 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Recover from
673 conversion to void pointer.
674 (get_maxval_strlen): Handle addresses of the form &(*p)[0].
676 2008-03-16 James E. Wilson <wilson@tuliptree.org>
679 * dbxout.c (dbxout_expand_expr, case VAR_DECL): Return NULL for
680 emulated thread local variables.
682 2008-03-16 Richard Guenther <rguenther@suse.de>
685 * tree-ssa-loop-niter.c (expand_simple_operations): Do not
686 expand TREE_INVARIANT operations that are not gimple invariant.
688 2008-03-16 Hans-Peter Nilsson <hp@axis.com>
690 * doc/extend.texi (Alignment): Say that the ABI controls
691 the __alignof__ for non-strict-alignment targets rather
692 than being a recommendation.
694 2008-03-15 Paul Brook <paul@codesourcery.com>
696 * config/arm/arm.c (arm_unwind_emit): Suppress unused unwinding
698 (arm_output_fn_unwind): Mark functions that can not be unwound.
700 2008-03-15 Paul Brook <paul@codesourcery.com>
702 * config/arm/arm.c (arm_rtx_costs_1): Add costs for ARMv6 value
703 extension instructions.
705 2008-03-15 Richard Guenther <rguenther@suse.de>
707 * tree-ssa-ccp.c (ccp_fold): Also read from constant values
708 and fold constant aggregate refs.
709 (fold_const_aggregate_ref): Handle string constants
710 and constructors in ARRAY_REFs. Handle INDIRECT_REF.
711 (evaluate_stmt): Simplify now that ccp_fold folds constant
714 2008-03-15 Paul Brook <paul@codesourcery.com>
716 * config/arm/arm.md (insv): Use gen_insv_t2 and gen_insv_zero.
717 (extzv): Use gen_extzv_t2.
718 (insv_t2, insv_zero, extv, extzv_t2): New patterns.
720 2008-03-15 Richard Guenther <rguenther@suse.de>
722 * tree-ssa-ccp.c (get_symbol_constant_value): Export.
723 (fold_const_aggregate_ref): Likewise.
724 (get_value): Return NULL if we don't have any values.
725 (ccp_finalize): Set const_val to NULL after freeing it.
726 * tree-flow.h (get_symbol_constant_value): Declare.
727 (fold_const_aggregate_ref): Likewise.
728 * tree-ssa-sccvn.c (try_to_simplify): Use them.
730 2008-03-15 Richard Guenther <rguenther@suse.de>
733 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make sure
734 to not produce negative array indices if not allowed. Add
735 parameter to indicate that.
736 (maybe_fold_offset_to_component_ref): Allow negative array
737 indices only for the first member of a structure.
738 (maybe_fold_offset_to_reference): Allow negative array indices.
739 (maybe_fold_stmt_addition): Likewise.
741 2008-03-15 Bjoern Haase <bjoern.m.haase@web.de>
742 Anatoly Sokolov <aesok@post.ru>
744 * gcc/gcc/config/avr/avr.c (avr_arch_types): Add avr6 entry.
745 (avr_arch): Add ARCH_AVR6.
746 (avr_mcu_types): Add 'atmega2560' and 'atmega2561' entry.
747 (initial_elimination_offset): Initialize and use 'avr_pc_size'
748 instead of fixed value 2.
749 (print_operand_address): Use gs() asm specifier instead of pm().
750 (avr_assemble_integer): (Ditto.).
751 (avr_output_addr_vec_elt): (Ditto.).
752 (print_operand): Handle "!" code.
753 * gcc/gcc/config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Add
754 __AVR_3_BYTE_PC__, __AVR_2_BYTE_PC__ and __AVR_HAVE_JMP_CALL__.
755 (AVR_HAVE_EIJMP_EICALL): Define.
756 (AVR_3_BYTE_PC): Redefine.
757 (AVR_2_BYTE_PC): (Ditto.).
758 (PRINT_OPERAND_PUNCT_VALID_P): Add '!' code.
759 (LINK_SPEC): Add atmega2560 and atmega2561.
760 (CRT_BINUTILS_SPEC): Add atmega2560 (crtm2560.o) and atmega2561
762 * gcc/gcc/config/avr/avr.md (call_insn): Use eicall instead of icall
763 for 3 byte PC devices.
764 (call_value_insn): (Ditto.).
765 (*tablejump_enh): Use eijmp instead of ijmp for 3 byte PC devices.
766 (indirect_jump): Use only for for 2 byte PC devices.
767 (*tablejump): (Ditto.).
768 (*indirect_jump_avr6): Add insn.
769 (*tablejump_rjmp): Don't use for 3 byte PC devices.
770 * gcc/gcc/config/avr/libgcc.S (__prologue_saves__): Use eijmp
771 instead of ijmp for 3 byte PC devices.
772 (__tablejump2__): (Ditto.).
773 * gcc/gcc/config/avr/t-avr (MULITLIB_OPTIONS): Add avr6 architecture.
774 (MULITLIB_DIRNAMES): (Ditto.).
775 (MULTILIB_MATCHES): Add atmega2560 and atmega2561 to list.
777 2008-03-15 Uros Bizjak <ubizjak@gmail.com>
779 * config/i386/mmx.md ("sse2_umulv1siv2di3"): Rename from
780 "sse2_umulsidi3". Use V1DI mode for operand 0.
781 ("mmx_psadbw"): Use V1DI mode for operand 0.
782 * config/i386/i386-modes.def (V1SI): New vector mode.
783 * config/i386/i386.c (struct builtin_description)
784 [IX86_BUILTIN_PMULUDQ]: Use CODE_FOR_sse2_umulv1siv1di3.
785 (v1di_ftype_v8qi_v8qi): Rename from di_ftype_v8qi_v8qi.
786 (v1di_ftype_v2si_v2si): Rename from di_ftype_v2si_v2si.
787 (ix86_init_mmx_sse_builtins) [__builtin_ia32_psadbw]: Use
788 v1di_ftype_v8qi_v8qi type.
789 [__builtin_ia32_pmuludq]: Use v1di_ftype_v2si_v2si type.
791 * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psadbw,
792 __builtin_ia32_pmuludq]: Fix the mode of return value.
794 2008-03-15 Richard Guenther <rguenther@suse.de>
797 * tree-ssa-pre.c (bitmap_find_leader): Handle expression
800 2008-03-14 Bob Wilson <bob.wilson@acm.org>
802 * doc/invoke.texi (Option Summary, Xtensa Options): Document
803 -mserialize-volatile and -mno-serialize-volatile Xtensa options.
804 * config/xtensa/xtensa.c (print_operand): Do not emit MEMW instructions
805 unless TARGET_SERIALIZE_VOLATILE is enabled.
806 * config/xtensa/xtensa.md (*lsiu, *ssiu): Likewise.
807 * config/xtensa/xtensa.h (TARGET_DEFAULT): Add MASK_SERIALIZE_VOLATILE.
808 * config/xtensa/xtensa.opt (mserialize_volatile): New option.
810 2008-03-14 Richard Guenther <rguenther@suse.de>
812 PR tree-optimization/34172
813 * tree-flow.h (refs_may_alias_p): Declare.
814 (get_single_def_stmt): Likewise.
815 (get_single_def_stmt_from_phi): Likewise.
816 (get_single_def_stmt_with_phi): Likewise.
817 * tree-dfa.c (refs_may_alias_p): New function.
818 (get_single_def_stmt): Likewise.
819 (get_single_def_stmt_from_phi): Likewise.
820 (get_single_def_stmt_with_phi): Likewise.
821 * tree-ssa-sccvn.c (get_def_ref_stmt_vuses): New function.
822 (vn_reference_lookup_1): New helper function.
823 (vn_reference_lookup): Walk the virtual use-def chain to
824 continue searching for a match if the def does not alias the
825 reference we are looking for.
827 2008-03-14 David Edelsohn <edelsohn@gnu.org>
829 * doc/install.texi (Binaries): Remove UCLA archive. Add HVCC
830 archive and Perzl. Update The Written Word listing.
832 2008-03-14 Richard Guenther <rguenther@suse.de>
834 PR tree-optimization/34043
835 PR tree-optimization/33989
836 * tree-ssa-pre.c (execute_pre): Allow SCCVN to do insertion
838 (bitmap_find_leader): Use extra argument to verify dominance
839 relationship inside a basic-block.
840 (can_PRE_operation): Add VIEW_CONVERT_EXPR.
841 (find_leader_in_sets): Adjust.
842 (create_component_ref_by_pieces): Take extra argument for
843 dominance check, handle lookup failures.
844 (find_or_generate_expression): Likewise.
845 (create_expression_by_pieces): Likewise.
846 (insert_into_preds_of_block): Adjust.
847 (create_value_expr_from): If asked for, verify all operands
848 are in the blocks AVAIL_OUT set.
849 (make_values_for_stmt): Check for SSA_NAMEs that are life
850 over an abnormal edge.
851 (compute_avail): Remove such check.
852 (do_SCCVN_insertion): New function.
853 (eliminate): If we do not find a leader suitable for replacement
854 insert a replacement expression from SCCVN if available.
855 * tree-ssa-sccvn.h (run_scc_vn): Update prototype.
856 (struct vn_ssa_aux): Add needs_insertion flag.
857 * tree-ssa-sccvn.c (may_insert): New global flag.
858 (copy_reference_ops_from_ref): Value-number union member access
859 based on its size, not type and member if insertion is allowed.
860 (visit_reference_op_load): For a weak match from union type
861 punning lookup a view-converted value and insert a SSA_NAME
862 for that value if that is not found.
863 (visit_use): Make dumps shorter. Do not disallow value numbering
864 SSA_NAMEs that are life over an abnormal edge to constants.
865 (free_scc_vn): Release inserted SSA_NAMEs.
866 (run_scc_vn): New flag to specify whether insertion is allowed.
867 Process SSA_NAMEs in forward order.
868 * tree-ssa-loop-im.c (for_each_index): Handle invariant
869 ADDR_EXPRs inside VIEW_CONVERT_EXPR.
870 * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPRs from/to
871 pointer type to/from integral types that do not change the
872 precision to regular conversions.
874 2008-03-13 Uros Bizjak <ubizjak@gmail.com>
876 * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
877 __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
878 __builtin_ia32_psrl?i, __builtin_ia32_psra?i, __builtin_ia32_psll?128,
879 __builtin_ia32_psrl?128, __builtin_ia32_psra?128]: Fix the mode of
880 input arguments and the mode of return value. Built-in functions
881 that operate on whole 64-bit MMX register now use V1DI mode.
883 2008-03-13 Alon Dayan <alond@il.ibm.com>
884 Olga Golovanevsky <olga@il.ibm.com>
886 PR tree-optimization/35041
887 * ipa-struct-reorg.c (find_pos_in_stmt_1): Add another option
888 to locate the right position in a statement.
890 2008-03-13 Uros Bizjak <ubizjak@gmail.com>
894 * config/i386/xmmintrin.h: Change all static inline functions to
895 extern inline and add __gnu_inline__ attribute.
896 * config/i386/bmintrin.h: Ditto.
897 * config/i386/smmintrin.h: Ditto.
898 * config/i386/tmmintrin.h: Ditto.
899 * config/i386/mmintrin-common.h: Ditto.
900 * config/i386/ammintrin.h: Ditto.
901 * config/i386/emmintrin.h: Ditto.
902 * config/i386/pmmintrin.h: Ditto.
903 * config/i386/mmintrin.h: Ditto.
904 * config/i386/mm3dnow.h: Ditto.
906 2008-03-13 Jakub Jelinek <jakub@redhat.com>
909 * omp-low.c (lower_regimplify, init_tmp_var, save_tmp_var): Removed.
910 (lower_omp_2): New function.
911 (lower_omp_1, lower_omp): Rewritten.
913 2008-03-13 Danny Smith <dannysmith@users.sourceforge.net>
916 * doc/extend.texi (Structure-Packing Pragmas): Replace "Win32"
917 with the phrase "Microsoft Windows compilers".
918 (Push/Pop Macro Pragmas): New subsection. Document
919 #pragma push_macro and pragma pop_macro.
921 2008-03-12 Paul Brook <paul@codesourcery.com>
923 * config/arm/arm.c (output_move_double): Prefer LDRD to LDM.
925 2008-03-12 Paul Brook <paul@codesourcery.com>
927 * config/arm/thumb2.md: Extend peephole to cover 3-arg subs.
928 (thumb2_alusi3_short): Exclude PLUS and MINUS.
929 (thumb2_addsi_shortim): Rename ...
930 (thumb2_addsi_short): ... to this. Allow register operands.
931 (thumb2_subsi_short): New pattern.
932 (thumb2_one_cmplsi2_short,
933 thumb2_negsi2_short): New patterns and peepholes.
935 2008-03-12 Paul Brook <paul@codesourcery.com>
937 * config/arm/arm.c (arm_size_rtx_costs): Use ARM costs for Thumb-2.
939 2008-03-12 Uros Bizjak <ubizjak@gmail.com>
941 * config/i386/i386.md (int_cond): New code iterator.
943 ("s<code>"): Macroize expander from seq, sne, sgt, sgtu, slt, sltu,
944 sge, sgeu, sle and sleu expanders usign int_cond code iterator.
945 ("s<code>"): Macroize expander from sunordered, sordered, suneq, sunge,
946 sungt, sunle, sunlt and sltgt expanders usign fp_cond code iterator.
947 ("b<code>"): Macroize expander from beq, bne, bgt, bgtu, blt, bltu,
948 bge, bgeu, ble and bleu expanders usign int_cond code iterator.
949 ("b<code>"): Macroize expander from bunordered, bordered, buneq, bunge,
950 bungt, bunle, bunlt and bltgt expanders usign fp_cond code iterator.
952 2008-03-12 Paul Brook <paul@codesourcery.com>
954 * config/arm/arm.c (use_return_insn): Use offsets->saved_regs_mask
955 instead of {arm,thumb}_compute_save_reg_mask.
956 (output_return_instruction): Ditto.
957 (thumb_unexpanded_epilogue): Ditto.
958 (thumb1_expand_prologue): Ditto.
959 (thumb1_output_function_prologue): Ditto.
960 (arm_set_return_address): Ditto.
961 (thumb_set_return_address): Ditto.
962 (arm_get_frame_offsets): Set offsets->saved_regs_mask. Push extra
963 regs to achieve stack alignment.
964 (thumb1_compute_save_reg_mask): Fix compiler warning.
965 (arm_output_epilogue): Use offsets->saved_regs_mask.
966 Adjust stack pointer by poping call clobered registers.
967 (arm_expand_prologue): Use offsets->saved_regs_mask.
968 Adjust stack pointer by pushing extra registers.
969 * config/arm.h (arm_stack_offsets): Add saved_regs_mask.
971 2008-03-12 Paolo Bonzini <bonzini@gnu.org>
974 * fold-const.c (fold_unary) <NOP_EXPR>: Distribute a narrowing
975 conversion to the operands of a multiplication.
977 2008-03-12 Richard Guenther <rguenther@suse.de>
979 * Makefile.in (OBJS-common): Add tree-ssa-phiprop.o
980 (tree-ssa-phiprop.o): Copy dependencies from tree-ssa-forwprop.o.
981 * timevar.def (TV_TREE_PHIPROP): Add.
982 * tree-ssa-phiprop.c: Split from tree-ssa-forwprop.c, added
983 pass description. Use TV_TREE_PHIPROP.
984 * tree-ssa-forwprop.c: Remove phiprop code.
986 2008-03-12 Jakub Jelinek <jakub@redhat.com>
989 * omp-low.c (maybe_lookup_decl): Constify first argument.
990 (use_pointer_for_field): Change last argument from bool to
991 omp_context *. Disallow shared copy-in/out in nested
992 parallel if decl is shared in outer parallel too.
993 (build_outer_var_ref, scan_sharing_clauses,
994 lower_rec_input_clauses, lower_copyprivate_clauses,
995 lower_send_clauses, lower_send_shared_vars): Adjust callers.
997 2008-03-12 Victor Kaplansky <victork@il.ibm.com>
998 Ira Rosen <irar@il.ibm.com>
1000 * tree-vectorizer.c (free_stmt_vec_info): New function.
1001 (destroy_loop_vec_info): Move code to free_stmt_vec_info().
1002 Call free_stmt_vec_info(). Free LOOP_VINFO_STRIDED_STORES..
1003 * tree-vectorizer.h (free_stmt_vec_info): Declare.
1004 * tree-vect-transform.c (vectorizable_conversion): Free
1005 vec_oprnds0 if it was allocated.
1006 (vect_permute_store_chain): Remove unused VECs.
1007 (vectorizable_store): Free VECs that are allocated in the..
1009 (vect_transform_strided_load, vectorizable_load): Likewise.
1010 (vect_remove_stores): Simplify the code.
1011 (vect_transform_loop): Move code to vect_remove_stores().
1012 Call vect_remove_stores() and free_stmt_vec_info().
1014 2008-03-11 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1016 * pa.h (TARGET_LONG_PIC_SDIFF_CALL): Conditionalize define on
1017 TARGET_HPUX. Revise comment.
1018 (TARGET_LONG_PIC_PCREL_CALL): Revise comment.
1019 * pa.c (output_call): Update for revised TARGET_LONG_PIC_SDIFF_CALL.
1020 Use sr4 variant of `be' instruction when not generating PIC code.
1021 (attr_length_call): Adjust for above change.
1023 2008-03-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
1025 * ipa-reference.c (static_execute): Remove module_statics_const and
1026 associated setting code.
1028 2008-03-11 Uros Bizjak <ubizjak@gmail.com>
1031 * config/i386/i386.md (paritysi2, paritydi2): Use register_operand
1032 predicate for operand 1.
1033 (paritysi2_cmp): Use register_operand predicate for operand 2.
1034 Use earlyclobber modifier for operand 1. Remove support for
1036 (paritydi2_cmp): Use register_operand predicate for operand 3.
1037 Use earlyclobber modifier for operand 1. Remove support for
1040 2008-03-11 Paul Brook <paul@codesourcery.com>
1041 Vladimir Prus <vladimir@codesourcery.com>
1043 * config/arm/arm.c (use_return_insn): Check TARGET_APCS_FRAME.
1044 (arm_compute_save_reg0_reg12_mask): Always
1045 check if register 11 must be saved. Always safe hard frame pointer
1046 when frame_pointer_needeed.
1047 (arm_compute_save_reg_mask): Save IP and PC
1048 only with apcs frames.
1049 (arm_output_epilogue): Adjust Thumb2 codepath to
1050 be also invoked and work for ARM non-apcs frames.
1051 (arm_expand_prologue): Don't bother saving IP
1052 for non-apcs frame, since it's not clobbered by
1053 prologue code. Implement non-apcs frame
1056 2008-03-11 Paolo Bonzini <bonzini@gnu.org>
1058 PR rtl-optimization/35281
1059 * expr.c (convert_move): Use a new pseudo for the intermediate
1060 from_mode->word_mode result.
1062 2008-03-11 Paolo Bonzini <bonzini@gnu.org>
1064 * langhooks-def.h (LANG_HOOKS_CLEAR_BINDING_STACK): Delete.
1065 * langhooks.h (struct lang_hooks): Delete clear_binding_stack member.
1066 * toplev.c (compile_file): Don't call it.
1068 2008-03-11 Uros Bizjak <ubizjak@gmail.com>
1071 * expr.c (store_expr): Call emit_block_move if the mode
1072 of "temp" RTX is BLKmode.
1074 2008-03-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
1075 Richard Guenther <rguenther@suse.de>
1077 PR tree-optimization/31358
1078 * tree-ssa-loop-manip.c (create_iv): Call force_gimple_operand for
1079 the step with a NULL_TREE.
1080 * tree-ssa-loop-ivopts.c (find_bivs): Convert the step
1081 to sizetype if type is a pointer type.
1082 (add_candidate_1): Don't convert the base and step to
1083 the generic type if the orginal type is a pointer type.
1084 (add_iv_value_candidates): Use sizetype for the step
1085 if type is a pointer type.
1086 (cand_value_at): Likewise.
1087 * tree-ssa-address.c (add_to_parts): Use POINTER_PLUS_EXPR
1089 * tree-affine.c (tree_to_aff_combination <POINTER_PLUS_EXPR>):
1090 Don't convert the tem affine to the type.
1091 (add_elt_to_tree): Use sizetype for the step if a pointer.
1092 Use POINTER_PLUS_EXPR for pointers.
1093 (aff_combination_to_tree): Use sizetype for the step if a
1096 2008-03-10 Vladimir Makarov <vmakarov@redhat.com>
1098 * config/i386/sse.md (ssse3_pmaddubswv8hi3, ssse3_pmaddubswv4hi3):
1099 Remove commutativity hint.
1101 2008-03-10 Jakub Jelinek <jakub@redhat.com>
1105 * c-parser.c (c_parser_omp_threadprivate): Don't add vars with
1106 errorneous type. Check that v is a VAR_DECL.
1109 * tree-cfg.c (new_label_mapper): Update cfun->last_label_uid.
1111 2008-03-10 H.J. Lu <hongjiu.lu@intel.com>
1113 PR tree-optimization/35494
1114 * tree-ssa-ccp.c (get_symbol_constant_value): Check if value
1115 may be overriden at link and run time.
1117 2008-03-10 Richard Guenther <rguenther@suse.de>
1119 PR tree-optimization/34677
1120 * tree-ssa-pre.c (modify_expr_node_pool): Remove.
1121 (poolify_tree): Likewise.
1122 (modify_expr_template): Likewise.
1123 (poolify_modify_stmt): Likewise.
1124 (insert_fake_stores): Handle all component-ref style stores
1125 in addition to INDIRECT_REF. Also handle complex types.
1126 Do not poolify the inserted load.
1127 (realify_fake_stores): Do not rebuild the tree but only
1128 make it a SSA_NAME copy.
1129 (init_pre): Remove initialzation of modify_expr_template.
1130 Do not allocate modify_expr_node_pool.
1131 (fini_pre): Do not free modify_expr_node_pool.
1133 2008-03-10 Paul Brook <paul@codesourcery.com>
1135 * config/arm/arm.md (UNSPEC_STACK_ALIGN, UNSPEC_PIC_OFFSET): Renumber
1138 2008-03-10 Paul Brook <paul@codesourcery.com>
1139 Mark Shinwell <shinwell@codesourcery.com>
1141 * config/arm/cortex-r4.md: New.
1142 * config/arm/thumb2.md (divsi3, udivsi3): Annotate with
1144 * config/arm/arm.md: Include cortex-r4.md.
1145 (insn): Add smmls, sdiv and udiv values.
1146 (generic_sched): Don't use generic scheduling for Cortex-R4.
1147 (arm_issue_rate): New function.
1148 (TARGET_SCHED_ISSUE_RATE): Define.
1150 2008-03-10 Sebastian Pop <sebastian.pop@amd.com>
1152 * doc/invoke.texi (-ftree-loop-distribution): Add an example.
1154 2008-03-10 Richard Guenther <rguenther@suse.de>
1156 * tree-ssa-pre.c (get_sccvn_value): Simplify.
1157 (compute_avail): Do not add stmt uses to AVAIL_OUT.
1159 2008-03-10 Paolo Bonzini <bonzini@gnu.org>
1161 * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
1162 Set default to true.
1164 2008-03-09 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1166 * c.opt (Wsynth): Deprecate.
1167 * doc/invoke.texi (Option Summary, Warning Options): Document
1168 -Wno-format-contains-nul.
1170 2008-03-09 Uros Bizjak <ubizjak@gmail.com>
1173 * config/i386/i386.c (ix86_constant_alignment): Compute alignment using
1174 ALIGN_MODE_128 for VECTOR_CST and INTEGER_CST in addition to REAL_CST.
1176 2008-03-09 Ira Rosen <irar@il.ibm.com>
1178 * config/rs6000/rs6000.c (builtin_description): Rename vector
1179 left shift operations.
1180 * config/rs6000/altivec.md (UNSPEC_VSL): Remove.
1181 (altivec_vsl<VI_char>): Rename to ...
1182 (ashl<mode>3): ... new name.
1183 (mulv4sf3, mulv4si3, negv4sf2): Replace gen_altivec_vslw with
1185 (absv4sf2): Convert to use ashift:V4SI instead of UNSPEC_VSL.
1187 2008-03-08 Richard Guenther <rguenther@suse.de>
1189 * coverage.h (tree_coverage_counter_addr): Declare.
1190 * coverage.c (tree_coverage_counter_addr): New function.
1191 * tree-profile.c (tree_gen_edge_profiler): Unshare counter
1193 (tree_gen_pow2_profiler): Use tree_coverage_counter_addr.
1194 (tree_gen_one_value_profiler): Likewise.
1195 (tree_gen_ic_profiler): Likewise.
1196 (tree_gen_average_profiler): Likewise.
1197 (tree_gen_ior_profiler): Likewise.
1199 2008-03-08 Richard Guenther <rguenther@suse.de>
1201 * tree-ssa-sccvn.h (vn_binary_op_lookup): Remove.
1202 (vn_binary_op_insert): Likewise.
1203 (vn_unary_op_lookup): Likewise.
1204 (vn_unary_op_insert): Likewise.
1205 (vn_nary_op_lookup): Declare.
1206 (vn_nary_op_insert): Likewise.
1207 * tree-ssa-sccvn.c (struct vn_tables_s): Merge unary
1208 and binary hashes, use a single obstack for unary_op_pool
1210 (struct vn_binary_op_s, struct vn_unary_op_s): Replace with
1211 a single struct vn_nary_op_s. Store tree code length and
1212 a variable number of operands.
1213 (struct vn_reference_op_struct): Remove unused op2.
1214 (vn_reference_op_eq): Do not compare op2.
1215 (vn_reference_op_compute_hash): Do not compute hash of op2.
1216 (vn_unary_op_hash, vn_binary_op_hash): Replace with vn_nary_op_hash.
1217 (vn_unary_op_compute_hash, vn_binary_op_compute_hash): Replace
1218 with vn_nary_op_compute_hash.
1219 (vn_unary_op_eq, vn_binary_op_eq): Replace with vn_nary_op_eq.
1220 (vn_unary_op_lookup, vn_binary_op_lookup): Replace with
1222 (vn_unary_op_insert, vn_binary_op_insert): Replace with
1224 (visit_unary_op): Call nary functions.
1225 (visit_binary_op): Likewise.
1226 (process_scc): Adjust for struct vn_tables_s changes.
1227 (allocate_vn_table): Likewise.
1228 (free_vn_table): Likewise.
1229 * tree-vn.c (vn_add): Call nary functions.
1230 (vn_lookup): Likewise.
1232 2008-03-08 Jakub Jelinek <jakub@redhat.com>
1235 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): Shift
1236 wdst back after sync_compare_and_swapqhi_internal.
1238 2008-03-08 Uros Bizjak <ubizjak@gmail.com>
1241 * config/i386/i386-modes.def (V1DI): New vector mode.
1242 * config/i386/i386.h (VALID_MMX_REG_MODE): Add V1DImode.
1243 * config/i386/mmx.md (MMXMODEI8): New mode iterator.
1244 (MMXMODE248): Ditto.
1245 (MMXMODE): Add V1DI mode.
1246 (mmxvecsize): Change DI mode to V1DI mode.
1247 ("mov<mode>): Use MMXMODEI8 mode iterator.
1248 ("*mov<mode>_internal_rex64"): Ditto.
1249 ("*mov<mode>_internal"): Ditto.
1250 ("mmx_add<mode>3"): Ditto. Handle V1DImode for TARGET_SSE2.
1251 ("mmx_sub<mode>3"): Ditto.
1252 ("mmx_adddi3"): Remove insn pattern.
1253 ("mmx_subdi3"): Ditto.
1254 ("mmx_ashr<mode>3"): Use SImode and "yN" constraint for operand 2.
1255 ("mmx_lshr<mode>3"): Ditto. Use MMXMODE248 mode iterator.
1256 ("mmx_ashl<mode>3"): Ditto.
1257 ("mmx_lshrdi3"): Remove insn pattern.
1258 ("mmx_ashldi3"): Ditto.
1259 * config/i386/i386.c (classify_argument): Handle V1DImode.
1260 (function_arg_advance_32): Ditto.
1261 (function_arg_32): Ditto.
1262 (struct builtin_description) [IX86_BUILTIN_PADDQ]: Use
1263 mmx_addv1di3 insn pattern.
1264 [IX86_BUILTIN_PSUBQ]: Use mmx_subv1di3 insn pattern.
1265 [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?, IX86_BUILTIN_PSRA?,
1266 IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I, IX86_BUILTIN_PSRA?I,
1267 IX86_BUILTIN_PSLL?I128, IX86_BUILTIN_PSRL?I128, IX86_BUILTIN_PSRA?I128]:
1268 Remove definitions of built-in functions.
1269 (V1DI_type_node): New node.
1270 (v1di_ftype_v1di_int): Ditto.
1271 (v1di_ftype_v1di_v1di): Ditto.
1272 (v2si_ftype_v2si_si): Ditto.
1273 (v4hi_ftype_v4hi_di): Remove node.
1274 (v2si_ftype_v2si_di): Ditto.
1275 (ix86_init_mmx_sse_builtins): Handle V1DImode.
1276 (__builtin_ia32_psll?, __builtin_ia32_psrl?, __builtin_ia32_psra?):
1277 Redefine builtins using def_builtin_const with *_ftype_*_int node.
1278 (__builtin_ia32_psll?i, __builtin_ia32_psrl?i, __builtin_ia32_psra?i):
1279 Add new builtins using def_builtin_const.
1280 (ix86_expand_builtin) [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?,
1281 IX86_BUILTIN_PSRA?, IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I,
1282 IX86_BUILTIN_PSRA?I]: Handle builtin definitions.
1283 * config/i386/mmintrin.h (__v1di): New typedef.
1284 (_mm_add_si64): Cast arguments to __v1di type.
1285 (_mm_sub_si64): Ditto.
1286 (_mm_sll_pi16): Cast __count to __v4hi type.
1287 (_mm_sll_pi32): Cast __count to __v2si type.
1288 (_mm_sll_si64): Cast arguments to __v1di type.
1289 (_mm_srl_pi16): Cast __count to __v4hi type.
1290 (_mm_srl_pi32): Cast __count to __v2si type.
1291 (_mm_srl_si64): Cast arguments to __v1di type.
1292 (_mm_sra_pi16): Cast __count to __v4hi type.
1293 (_mm_sra_pi32): Cast __count to __v2si type.
1294 (_mm_slli_pi16): Use __builtin_ia32_psllwi.
1295 (_mm_slli_pi32): Use __builtin_ia32_pslldi.
1296 (_mm_slli_si64): Use __builtin_ia32_psllqi. Cast __m to __v1di type.
1297 (_mm_srli_pi16): Use __builtin_ia32_psrlwi.
1298 (_mm_srli_pi32): Use __builtin_ia32_psrldi.
1299 (_mm_srli_si64): Use __builtin_ia32_psrlqi. Cast __m to __v1di type.
1300 (_mm_srai_pi16): Use __builtin_ia32_psrawi.
1301 (_mm_srai_pi32): Use __builtin_ia32_psradi.
1302 * config/i386/i386.md (UNSPEC_NOP): Remove unspec definition.
1303 * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
1304 __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
1305 __builtin_ia32_psrl?i, __builtin_ia32_psra?i]: Add new builtins.
1307 2008-03-07 Joseph Myers <joseph@codesourcery.com>
1309 * doc/include/texinfo.tex: Update to version 2008-03-07.10.
1311 2008-03-07 Peter Bergner <bergner@vnet.ibm.com>
1314 * config/rs6000/rs6000.c (rs6000_legitimize_address): Don't generate
1315 reg+const addressing for Altivec modes. Don't generate reg+reg
1316 addressing for TFmode or TDmode quantities.
1318 2008-03-07 Paolo Bonzini <bonzini@gnu.org>
1320 * c-common.c (vector_types_convertible_p): Call langhook
1321 instead of comptypes.
1323 2008-03-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
1326 * tree-ssa-ccp.c (get_symbol_constant_value): Handle
1327 integral and scalar float variables which have a
1330 2008-03-06 Nathan Froyd <froydnj@codesourcery.com>
1332 * dwarf2out.c (dwarf2out_frame_debug_expr): Consult the
1333 dwarf_register_span hook when emitting unwind information for
1334 register-to-memory saves.
1335 * config/rs6000/rs6000.c (spe_synthesize_frame): Delete.
1336 (rs6000_frame_related): Remove call to spe_synthesize_frame.
1338 2008-03-06 Jakub Jelinek <jakub@redhat.com>
1340 * gimplify.c (goa_lhs_expr_p): Allow different ADDR_EXPR nodes
1341 for the same VAR_DECL.
1343 2008-03-06 Tom Tromey <tromey@redhat.com>
1346 * doc/standards.texi (Standards): Don't mention treelang.
1347 * doc/invoke.texi (Overall Options): Don't mention treelang.
1348 * doc/install.texi (Prerequisites): Don't mention bison or
1350 (Configuration): Don't mention treelang.
1351 (Building): Likewise.
1352 * doc/frontends.texi (G++ and GCC): Don't mention treelang.
1354 2008-03-06 Paolo Bonzini <bonzini@gnu.org>
1356 * simplify-rtx.c (simplify_subreg): Remove useless shifts from
1357 word-extractions out of a multi-word object.
1359 2008-03-06 Richard Guenther <rguenther@suse.de>
1361 * tree.def (BIT_FIELD_REF): Constrain result type and its precision.
1362 * tree-cfg.c (verify_expr): Verify BIT_FIELD_REF constraints on
1363 result type and precision.
1364 * expr.c (get_inner_reference): Set unsignedp based on the result
1365 type of BIT_FIELD_REF.
1366 * tree.h (BIT_FIELD_REF_UNSIGNED): Remove.
1367 * tree-sra.c (instantiate_element): Do not set BIT_FIELD_REF_UNSIGNED.
1368 (try_instantiate_multiple_fields): Likewise. Use the correct type
1370 (sra_build_assignment): Likewise.
1371 (sra_build_elt_assignment): Likewise.
1372 (sra_explode_bitfield_assignment): Likewise.
1373 * print-tree.c (print_node): Do not check BIT_FIELD_REF_UNSIGNED.
1374 * tree-vect-transform.c (vect_create_epilog_for_reduction): Do not
1375 set BIT_FIELD_REF_UNSIGNED.
1376 (vectorizable_load): Likewise.
1378 2008-03-06 Andreas Krebbel <krebbel1@de.ibm.com>
1380 * cse.c (cse_extended_basic_block): Invalidate artificial defs
1383 2008-03-06 Richard Guenther <rguenther@suse.de>
1385 * alias.c (struct alias_set_entry): Move has_zero_child field
1386 to pack with alias_set.
1388 2008-03-05 H.J. Lu <hongjiu.lu@intel.com>
1390 * config/i386/i386-modes.def: Use 4 byte alignment on DI for
1393 2008-03-05 Ian Lance Taylor <iant@google.com>
1395 * alias.h (alias_set_type): Change from HOST_WIDE_INT to int.
1397 2008-03-05 Kenneth Zadeck <zadeck@naturalbridge.com>
1399 * fwprop.c (update_df): Support width and offset parameters of
1401 * ra-conflict.c (mark_reg_store, clear_reg_in_live,
1402 global_conflicts): Change DF_REF_EXTRACT to either
1403 DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT. Change
1404 DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
1405 * df-scan.c (df_ref_record, df_defs_record,
1406 df_ref_create_structure, df_def_record_1, df_uses_record,
1407 df_get_conditional_uses, df_get_call_refs, df_insn_refs_collect,
1408 df_bb_refs_collect, df_entry_block_defs_collect,
1409 df_exit_block_uses_collect): Support new width and offset fields.
1410 (ref_extract_pool): New storage pool.
1411 (df_free_ref): New function.
1412 (df_reg_chain_unlink, df_free_collection_rec,
1413 df_sort_and_compress_refs): Call df_free_ref.
1414 (df_ref_equal_p, df_ref_compare): Compare offset and width fields
1416 (df_ref_create_structure): Allocate df_ref_extract if offset and
1417 width fields are used.
1418 (df_def_record_1): Get offset and width from ZERO_EXTRACT.
1419 (df_uses_record): Get offset and width from ZERO_EXTRACT
1421 * global.c (build_insn_chain): Change DF_REF_EXTRACT to either
1422 DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT. Change
1423 DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
1424 * df.h (df_ref_flags): Change DF_REF_EXTRACT to either
1425 DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT. Change
1426 DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
1427 (df_ref_extract): New structure.
1428 (DF_REF_WIDTH, DF_REF_OFFSET): New macros.
1429 (df_ref_create): Add width and offset parameters.
1431 2008-03-05 Richard Guenther <rguenther@suse.de>
1433 * tree-ssa-structalias.c (get_constraint_for_component_ref):
1434 Use ranges_overlap_p.
1435 (offset_overlaps_with_access): Rename
1436 to ranges_overlap_p and move ...
1437 * tree-flow-inline.h (ranges_overlap_p): ... here.
1439 * tree.h (get_inner_reference, handled_component_p): Update
1442 * tree.h (record_component_aliases, get_alias_set,
1443 alias_sets_conflict_p, alias_sets_must_conflict_p,
1444 objects_must_conflict_p): Move declarations ...
1445 * alias.h (record_component_aliases, get_alias_set,
1446 alias_sets_conflict_p, alias_sets_must_conflict_p,
1447 objects_must_conflict_p): ... here.
1448 Include coretypes.h.
1449 * Makefile.in (ALIAS_H): Add coretypes.h dependency.
1451 2008-03-05 Aldy Hernandez <aldyh@redhat.com>
1453 * cfg.c: Include tree-flow.h.
1454 (remove_edge_raw): Call redirect_edge_var_map_clear.
1455 (redirect_edge_succ_nodup): Call redirect_edge_var_map_dup.
1456 * tree-flow-inline.h (redirect_edge_var_map_def): New.
1457 (redirect_edge_var_map_result): New.
1458 * tree-cfgcleanup.c (remove_forwarder_block_with_phi): Replace
1459 PENDING_STMT use with redirect_edge_var_map_*.
1460 * tree-ssa.c (edge_var_maps): New definition.
1461 (redirect_edge_var_map_add): New.
1462 (redirect_edge_var_map_clear): New.
1463 (redirect_edge_var_map_dup): New.
1464 (redirect_edge_var_map_vector): New.
1465 (redirect_edge_var_map_destroy): New.
1466 (ssa_redirect_edge): Replace PENDING_STMT use with
1467 redirect_edge_var_map_*.
1468 (flush_pending_stmts): Same.
1469 (delete_tree_ssa): Destroy edge var map.
1470 * tree-flow.h (struct _edge_var_map): New.
1471 Define edge_var_map vector type.
1472 Declare redirect_edge_var_map_* prototypes.
1473 * Makefile.in (cfg.o): Depend on TREE_FLOW_H.
1474 * tree-cfg.c (reinstall_phi_args): Replace
1475 PENDING_STMT use with redirect_edge_var_map_*.
1477 2008-03-05 Richard Guenther <rguenther@suse.de>
1479 PR tree-optimization/35472
1480 * tree-ssa-dse.c (dse_optimize_stmt): Do not delete a store
1481 whose single use_stmt has a overlapping set of loaded and
1482 stored symbols as that use_stmt might be a noop assignment then.
1484 2008-03-05 Joel Sherrill <joel.sherrill@oarcorp.com>
1486 * gthr-rtems.h: Implement __gthread_mutex_destroy.
1488 2008-03-05 Richard Guenther <rguenther@suse.de>
1491 * tree.def (BIT_FIELD_REF): Document that operands 1 and 2
1492 should be constants.
1493 * tree-cfg.c (verify_expr): Verify it.
1494 * fold-const.c (fold_truthop): Remove code generating
1495 BIT_FIELD_REFs of structure bases.
1496 (fold_binary): Likewise.
1497 (fold_ternary): Position and size of BIT_FIELD_REFs are
1498 always host integers.
1499 (make_bit_field_ref): Remove.
1500 (optimize_bit_field_compare): Remove.
1501 (all_ones_mask_p): Remove.
1503 2008-03-05 Gabor Loki <loki@gcc.gnu.org>
1506 * rtl-factoring.c (clear_regs_live_in_seq): Fix backward steps.
1507 (split_block_and_df_analyze): New. Split basic block and rebuild
1509 (block_label_after): Use SPLIT_BLOCK_AND_DF_ANALYZE instead of
1511 (split_pattern_seq): Likewise.
1512 (erase_matching_seqs): Likewise.
1513 (split_pattern_seq): Skip return insn in case of REG_NORETURN note.
1515 2008-03-04 Geoff Keating <geoffk@apple.com>
1517 * fold-const.c (tree_single_nonnegative_warnv_p): Fix mixed
1518 declaration and code.
1519 (tree_invalid_nonnegative_warnv_p): Likewise.
1521 2008-03-05 Serge Belyshev <belyshev@depni.sinp.msu.ru>
1523 * doc/install.texi (Testing): Correct quoting for the RUNTESTFLAGS
1524 examples. Truncate option-names then causing overfull hbox.
1526 2008-03-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1529 * configure.ac (CONFIG_SJLJ_EXCEPTIONS): Force SJLJ exceptions
1531 * configure: Rebuilt.
1533 2008-03-04 Rafael Espindola <espindola@google.com>
1535 * fold-const.c (tree_simple_nonnegative_warnv_p): New.
1536 (tree_unary_nonnegative_warnv_p): New.
1537 (tree_binary_nonnegative_warnv_p): New.
1538 (tree_single_nonnegative_warnv_p): New.
1539 (tree_invalid_nonnegative_warnv_p): New.
1540 (tree_expr_nonnegative_warnv_p): Redefine in term of the new functions.
1542 2008-03-04 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1545 * opts.c (handle_option): Postpone 'unknown option' errors only for
1548 2008-03-04 H.J. Lu <hongjiu.lu@intel.com>
1551 * config/i386/smmintrin.h (SIDD_XXX): Renamed to ...
1554 2008-03-04 Rafael Espindola <espindola@google.com>
1556 * fold-const.c (tree_unary_nonzero_warnv_p): New.
1557 (tree_binary_nonzero_warnv_p): New.
1558 (tree_single_nonzero_warnv_p): New.
1559 (tree_expr_nonzero_warnv_p): Redefine using the new functions.
1561 2008-03-04 Uros Bizjak <ubizjak@gmail.com>
1564 * fold-const.c (fold_cond_expr_with_comparison): Prevent
1565 transformations for modes that have signed zeros.
1566 * ifcvt.c (noce_try_abs): Ditto.
1568 2008-03-04 Joseph Myers <joseph@codesourcery.com>
1570 * config/i386/i386.c (override_options): Force
1571 -maccumulate-outgoing-args on if TARGET_STACK_PROBE.
1573 2008-03-04 Jan Hubicka <jh@suse.cz>
1576 * ipa-inline.c (cgraph_decide_inlining_of_small_function): Fix typo
1579 2008-03-04 Danny Smith <dannysmith@users.sourceforge.net>
1581 * config/i386/i386.md (allocate_stack_worker_32): Use __chkstk
1582 label to probe the stack.
1584 2008-03-04 Danny Smith <dannysmith@users.sourceforge.net>
1586 * gthr-win32.h [__GTHREAD_HIDE_WIN32API]
1587 (__gthr_win32_mutex_destroy): Declare.
1588 [__GTHREAD_HIDE_WIN32API] (__gthread_mutex_destroy): Use
1589 __gthr_win32_mutex_destroy.
1590 * config/i386/gthr-win32.c (__gthr_win32_mutex_destroy): Define.
1592 2008-03-03 Jan Hubicka <jh@suse.cz>
1595 * ipa-inline.c (cgraph_decide_inlining_of_small_function): Be more
1596 aggressive on inlining cold calls.
1598 2008-03-03 Richard Guenther <rguenther@suse.de>
1600 * tree-ssa-sccvn.c (visit_reference_op_store): Do not insert
1601 struct copies into the expression table.
1602 (simplify_unary_expression): Handle VIEW_CONVERT_EXPR.
1603 (try_to_simplify): Likewise.
1604 * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPR of
1605 integral and pointer arguments which do not change the
1606 precision to NOP_EXPRs.
1607 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Adjust
1608 VIEW_CONVERT_EXPR case.
1610 2008-03-02 Sebastian Pop <sebastian.pop@amd.com>
1612 * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
1613 defined in a loop at depth 0 is invariant.
1614 * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
1615 * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
1616 be called at loop depth 0.
1618 2008-03-02 Jakub Jelinek <jakub@redhat.com>
1621 * gcc.c (process_command): Update copyright notice dates.
1622 * gcov.c (print_version): Likewise.
1623 * gcov-dump.c (print_version): Likewise.
1624 * mips-tfile.c (main): Likewise.
1625 * mips-tdump.c (main): Likewise.
1627 2008-03-02 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1630 * c-common.c (flag_permissive): Delete.
1631 (constant_expression_warnings): Check flags first.
1632 (constant_expression_error): New.
1633 * c-common.h (flag_permissive): Delete.
1634 (constant_expression_error): Declare.
1635 * flags.h (flag_permissive): Declare. Update description.
1636 * diagnostic.c (pedwarn): Update.
1638 * diagnostic.h: (pedantic_error_kind): Rename as pedantic_warning_kind.
1639 (permissive_error_kind): New.
1640 * toplev.c (flag_permissive): Define. Update description.
1641 * toplev.h (permissive_error_kind): Declare.
1642 * c-errors.c (pedwarn_c99): Use pedantic_warning_kind.
1643 (pedwarn_c90): Use pedantic_warning_kind.
1644 * c-opts.c (c_common_post_options): flag_permissive does not affect
1645 flag_pedantic_errors.
1647 2008-03-02 Joseph Myers <joseph@codesourcery.com>
1649 * libgcc2.c (__addvSI3, __addvsi3, __addvDI3, __subvSI3,
1650 __subvsi3, __subvDI3, __negvSI2, __negvsi2, __negvDI2, __absvSI2,
1651 __absvsi2, __absvDI2): Use unsigned arithmetic.
1653 2008-03-02 Andi Kleen <ak@suse.de>
1654 Richard Guenther <rguenther@suse.de>
1656 * struct-equiv.c: Remove file.
1657 * cfg_cleanup.c (condjump_equiv_p): Remove.
1658 * Makefile.in (OBJS-common): Remove struct-equiv.o.
1659 (struct-equiv.o): Remove rule.
1660 * basic-block.h (struct_equiv_checkpoint, STRUCT_EQUIV_*,
1661 insns_match_p, struct_equiv_block_eq, struct_equiv_init,
1662 rtx_equiv_p, condjump_equiv_p): Remove prototypes.
1664 2008-03-01 Alexandre Oliva <aoliva@redhat.com>
1666 * ifcvt.c (noce_process_if_block): Try to handle only the then
1667 block if the else block exists but isn't suitable.
1669 2008-03-01 Janne Blomqvist <jb@gcc.gnu.org>
1672 * gthr-posix.h (__gthread_mutex_destroy): Remove extra declarations.
1673 * gthr-posix95.h (__gthread_mutex_destroy): Likewise. Note this fixes
1674 regression from previous patch.
1676 2008-03-01 Janne Blomqvist <jb@gcc.gnu.org>
1679 * gthr.h: Add __gthread_mutex_destroy as a function that must be
1681 * gthr-vxworks.h (__gthread_mutex_destroy): Null implementation.
1682 * gthr-single.h (__gthread_mutex_destroy): Likewise.
1683 * gthr-rtems.h (__gthread_mutex_destroy): Likewise.
1684 * gthr-mipssde.h (__gthread_mutex_destroy): Likewise.
1685 * gthr-nks.h (__gthread_mutex_destroy): Likewise.
1686 * gthr-solaris.h (__gthread_mutex_destroy): Call mutex_destroy.
1687 * gthr-win32.h (__GTHREAD_MUTEX_DESTROY_FUNCTION): Remove.
1688 (__gthread_mutex_destroy_function): Rename to
1689 __gthread_mutex_destroy.
1690 * gthr-dce.h (__gthread_mutex_destroy): Call
1691 pthread_mutex_destroy.
1692 * gthr-tpf.h (__gthread_mutex_destroy): Likewise.
1693 * gthr-posix.h (__gthread_mutex_destroy): Likewise.
1694 * gthr-posix95.h (__gthread_mutex_destroy): Likewise.
1696 2008-03-01 Alexandre Oliva <aoliva@redhat.com>
1698 * df-scan.c (df_ref_chain_change_bb): Simplify.
1699 (df_insn_change_bb): Add new_bb argument. Simplify. Call
1700 set_block_for_insn if there's any change.
1701 * df.h ((df_insn_change_bb): Fix prototype.
1702 * cfgrtl.c (update_bb_for_insn_chain): Pass bb to
1703 df_insn_change_bb, don't call set_block_for_insn.
1704 * emit-rtl.c (reorder_insns): Likewise.
1705 * haifa-sched.c (move_insn): Likewise.
1707 2008-03-01 Alexandre Oliva <aoliva@redhat.com>
1709 * rtlanal.c (loc_mentioned_in_p): Test XVECEXPs correctly.
1711 2008-03-01 Alexandre Oliva <aoliva@redhat.com>
1713 * tree-flow-inline.h (next_readonly_imm_use): Return
1714 NULL_USE_OPERAND_P after the end.
1716 2008-03-01 Richard Guenther <rguenther@suse.de>
1718 PR tree-optimization/35411
1719 * tree-sra.c (sra_build_assignment): Split conversion to
1720 final type to a separate statement if we are not assigning
1723 2008-02-29 Francois-Xavier Coudert <coudert@clipper.ens.fr>
1725 * fold-const.c (fold_convertible_p): Correct the logic to follow
1726 that in fold_convert().
1728 2008-02-29 Douglas Gregor <doug.gregor@gmail.com>
1731 * tree-inline.c (build_duplicate_type): When we make a
1732 duplicate type, make it unique in the canonical types system.
1734 2008-02-29 Tom Tromey <tromey@redhat.com>
1736 * toplev.c (input_file_stack, input_file_stack_tick, fs_p,
1737 input_file_stack_history, input_file_stack_restored): Remove.
1738 (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
1739 * input.h (struct file_stack): Remove.
1740 (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
1741 (input_file_stack, input_file_stack_tick, INPUT_FILE_STACK_BITS):
1743 * diagnostic.h (struct diagnostic_context) <last_module>: Change
1745 (diagnostic_last_module_changed): Add 'map' argument.
1746 (diagnostic_set_last_function): Likewise.
1747 * diagnostic.c (undiagnostic_report_current_module): Iterate using
1748 line map, not input_file_stack.
1749 * c-lex.c (fe_file_change): Don't use push_srcloc or pop_srcloc.
1751 2008-02-29 Paul Brook <paul@codesourcery.com>
1753 * config/arm/arm.md (arm_addsi3): Add r/k/n alternative.
1755 2008-02-29 Paul Brook <paul@codesourcery.com>
1757 * config/arm/ieee754-df.S (muldf3): Use RET macros.
1759 2008-02-29 Richard Guenther <rguenther@suse.de>
1761 * tree-ssa-pre.c (get_sccvn_value): Create missing VNs via
1763 * tree-ssa-sccnv.c (visit_reference_op_store): Use the rhs
1764 value for comparing for a store match.
1765 (simplify_unary_expression): Do nothing for SSA_NAMEs.
1766 (try_to_simplify): Do not do a full-blown reference lookup.
1768 2008-02-29 Kaz Kojima <kkojima@gcc.gnu.org>
1770 * config/sh/sh.c (sh_scalar_mode_supported_p): New function.
1771 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
1773 * config/sh/sh.h (OVERRIDE_OPTIONS): Don't warn for profiling.
1775 2008-02-29 Sebastian Pop <sebastian.pop@amd.com>
1777 * tree-loop-linear.c (try_interchange_loops): Compare memory access
1778 strides against cache sizes.
1780 2008-02-29 Kaz Kojima <kkojima@gcc.gnu.org>
1782 * config/sh/sh.c (sh_secondary_reload): Handle loading a float
1785 2008-02-28 Richard Sandiford <rsandifo@nildram.co.uk>
1787 * simplify-rtx.c (simplify_unary_operation_1): Extend the handling
1788 of SUBREG_PROMOTED_VAR_P to cope with cases where the extended value
1789 is smaller than the original promoted value.
1790 (simplify_subreg): If OP is a SUBREG, try to preserve its
1791 SUBREG_PROMOTED_VAR_P information.
1793 2008-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
1795 * tree-ssa-sccvn (vn_ssa_aux_obstack): New obstack.
1796 (VN_INFO_GET): Allocate new objects on the obstack.
1797 (init_scc_vn): Initialize the obstack. Use XDELETE instead of free
1798 for rpo_numbers_temp, for consistency.
1799 (free_scc_vn): Free the obstack.
1801 2008-02-28 Sebastian Pop <sebastian.pop@amd.com>
1803 * doc/invoke.texi: Document -ftree-loop-distribution.
1804 * tree-loop-distribution.c: New.
1805 * tree-pass.h (pass_loop_distribution): New.
1806 * graphds.h (struct graph): Add htab_t indices.
1807 * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
1808 * tree-vectorizer.c (rename_variables_in_loop): Extern.
1809 (slpeel_tree_duplicate_loop_to_edge_cfg): Init PENDING_STMT to NULL.
1810 * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
1811 * tree-data-ref.c (debug_data_dependence_relations): New.
1812 (dump_data_dependence_relation): Also print data references.
1813 (free_data_ref): Extern.
1814 (same_access_functions): Moved...
1815 (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
1816 (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
1817 debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
1818 struct rdg_vertex_info, rdg_vertex_for_stmt): New.
1819 (create_rdg_edge_for_ddr, create_rdg_vertices): Cleaned up.
1820 (stmts_from_loop): Skip LABEL_EXPR.
1821 (hash_stmt_vertex_info, eq_stmt_vertex_info, hash_stmt_vertex_del):
1823 (build_rdg): Initialize rdg->indices htab.
1824 (free_rdg, stores_from_loop, ref_base_address,
1825 rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
1826 have_similar_memory_accesses_1, ref_base_address_1,
1827 remove_similar_memory_refs): New.
1828 * tree-data-ref.h: Depend on tree-chrec.h.
1829 (debug_data_dependence_relations, free_data_ref): Declared.
1830 (same_access_functions): ... here.
1831 (ddr_is_anti_dependent, ddrs_have_anti_deps, ddr_dependence_level):
1833 (struct rdg_vertex): Add has_mem_write and has_mem_reads.
1834 (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT,
1835 RDG_MEM_WRITE_STMT, RDG_MEM_READS_STMT): New.
1836 (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
1837 debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
1838 rdg_vertex_for_stmt): Declared.
1839 (struct rdg_edge): Add level.
1841 (free_rdg, stores_from_loop, remove_similar_memory_refs,
1842 rdg_defs_used_in_other_loops_p, have_similar_memory_accesses):
1844 (rdg_has_similar_memory_accesses): New.
1845 * tree-vect-analyze.c: Remove unused static decls.
1846 * lambda.h (dependence_level): New.
1847 * common.opt (ftree-loop-distribution): New.
1848 * tree-flow.h (mark_virtual_ops_in_bb,
1849 slpeel_tree_duplicate_loop_to_edge_cfg,
1850 rename_variables_in_loop): Declared.
1851 * Makefile.in (TREE_DATA_REF_H): Depend on tree-chrec.h.
1852 (OBJS-common): Add tree-loop-distribution.o.
1853 (tree-loop-distribution.o): New rule.
1854 * tree-cfg.c (mark_virtual_ops_in_bb): New.
1855 (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
1856 * passes.c (init_optimization_passes): Schedule pass_loop_distribution.
1858 2008-02-28 Joseph Myers <joseph@codesourcery.com>
1861 * tree.c (handle_dll_attribute): Disallow TYPE_DECLs for types
1862 other than structures and unions.
1864 2008-02-28 Richard Guenther <rguenther@suse.de>
1867 2008-02-26 Richard Guenther <rguenther@suse.de>
1869 * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
1870 * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
1871 (lookup_decl_from_uid): Declare.
1872 (remove_decl_from_map): Likewise.
1873 * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
1874 * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
1875 (decl_for_uid_map): New global hashtable mapping DECL_UID
1877 (init_ttree): Allocate it.
1878 (insert_decl_to_uid_decl_map): New helper function.
1879 (make_node_stat): Insert new decls into the map.
1880 (copy_node_stat): Likewise.
1881 (lookup_decl_from_uid): New function.
1882 (remove_decl_from_map): Likewise.
1883 (print_decl_for_uid_map_statistics): New helper.
1884 (dump_tree_statistics): Call it.
1886 * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
1887 (referenced_var_iterator): Adjust.
1888 (FOR_EACH_REFERENCED_VAR): Adjust.
1889 (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
1890 (num_referenced_vars): Adjust.
1891 * tree-flow-inline.h (gimple_referenced_vars): Adjust.
1892 (first_referenced_var): Remove.
1893 (end_referenced_vars_p): Likewise.
1894 (next_referenced_var): Likewise.
1895 (referenced_var_iterator_set): New helper function.
1896 * tree-dfa.c (referenced_var_lookup): Adjust.
1897 (referenced_var_check_and_insert): Likewise.
1898 (remove_referenced_var): Likewise.
1899 * tree-ssa.c (verify_flow_insensitive_alias_info): Use
1900 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
1901 (verify_call_clobbering): Likewise.
1902 (verify_memory_partitions): Likewise.
1903 (init_tree_ssa): Allocate bitmap instead of hashtable for
1905 (delete_tree_ssa): Adjust.
1906 * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
1907 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
1908 (compute_tag_properties): Likewise.
1909 (set_initial_properties): Likewise.
1910 (find_partition_for): Likewise.
1911 (update_reference_counts): Likewise.
1912 (dump_may_aliases_for): Likewise.
1913 * tree-ssa-operands.c (add_virtual_operand): Likewise.
1914 (add_call_clobber_ops): Likewise.
1915 (add_call_read_ops): Likewise.
1916 (get_asm_expr_operands): Likewise.
1917 * tree-into-ssa.c (dump_decl_set): Likewise.
1918 (update_ssa): Likewise.
1919 * tree-sra.c (scan_function): Likewise.
1920 (decide_instantiations): Likewise.
1921 (scalarize_parms): Likewise.
1922 * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
1923 (dsa_named_for): Likewise.
1924 * tree-ssa-structalias.c (update_alias_info): Likewise.
1925 (merge_smts_into): Likewise.
1927 2008-02-27 David Daney <ddaney@avtrex.com>
1930 * config/mips/iris.h (MIPS_DEBUGGING_INFO): Define.
1931 * config/mips/openbsd.h (MIPS_DEBUGGING_INFO): Same.
1932 * config/mips/sde.h (MIPS_DEBUGGING_INFO): Remove undef.
1933 * config/mips/vxworks.h (MIPS_DEBUGGING_INFO): Same.
1934 * config/mips/mips.h (MIPS_DEBUGGING_INFO): Remove define.
1936 2008-02-27 Uros Bizjak <ubizjak@gmail.com>
1939 * config/darwin-ppc-ldouble-patch.def (BUILT_IN_NANL): Add.
1940 (BUILT_IN_NEXTTOWARD): Remove.
1941 (BUILT_IN_NEXTTOWARDF): Ditto.
1942 * config/darwin.c (darwin_patch_builtin): Use ACONCAT instead of
1943 alloca/strcpy/strcat. Remove commented-out code. Fix whitespace.
1945 2008-02-27 Tom Tromey <tromey@redhat.com>
1947 * tree-dump.c (dequeue_and_dump) <FUNCTION_DECL>: Check
1948 DECL_SAVED_TREE, not DECL_LANG_SPECIFIC, when dumping body.
1950 2008-02-27 Jan Beulich <jbeulich@novell.com>
1952 * c-decl.c (merge_decls): Use DECL_USER_ALIGN() on olddecl to
1953 update the respective field on newdecl.
1955 2008-02-27 Revital Eres <eres@il.ibm.com>
1957 PR rtl-optimization/34999
1958 * bb-reorder.c (add_labels_and_missing_jumps): Do not handle
1959 crossing edges that ends with a call insn.
1960 (fix_up_fall_thru_edges): Handle crossing edges that ends with a
1961 call insn and clear the EDGE_CROSSING flag of the crossing edge
1962 when fixing fallthru edges.
1964 2008-02-27 Richard Guenther <rguenther@suse.de>
1967 * fold-const.c (fold_unary): Return the correct argument,
1968 converted to the result type.
1970 2008-02-27 Richard Guenther <rguenther@suse.de>
1973 * expr.c (expand_expr_real_1): Assert on rotates that operate
1975 * fold-const.c (fold_binary): Use the types precision, not the
1976 bitsize of the mode if folding rotate expressions. Build rotates
1977 only for full modes.
1979 2008-02-27 Jakub Jelinek <jakub@redhat.com>
1981 * c-ppoutput.c (scan_translation_unit): Handle CPP_PRAGMA
1983 * c-pragma.c (pragma_ns_name): New typedef.
1984 (registered_pp_pragmas): New variable.
1985 (c_pp_lookup_pragma): New function.
1986 (c_register_pragma_1): If flag_preprocess_only, do nothing
1987 for non-expanded pragmas, for expanded ones push pragma's
1988 namespace and name into registered_pp_pragmas vector.
1989 (c_invoke_pragma_handler): Register OpenMP pragmas even when
1990 flag_preprocess_only, don't register GCC pch_preprocess
1991 pragma if flag_preprocess_only.
1992 * c-opts.c (c_common_init): Call init_pragma even if
1993 flag_preprocess_only.
1994 * c-pragma.c (c_pp_lookup_pragma): New prototype.
1995 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS): Don't call
1996 cpp_register_pragma if flag_preprocess_only.
1998 2008-02-26 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2001 * c-parser.c (c_parser_translation_unit): Warn for empty
2002 translation unit, not empty source file.
2004 2008-02-26 Paul Brook <paul@codesourcery.com>
2006 * config/arm/arm.c (thumb_set_frame_pointer): Ensure SP is first
2007 operand for Thumb-2.
2008 * config/arm/arm.h (reg_class): Add CORE_REGS.
2009 (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Ditto.
2010 (BASE_REG_CLASS): Use CORE_REGS.
2011 (PREFERRED_RELOAD_CLASS): Add STACK_REG.
2012 (REGNO_MODE_OK_FOR_REG_BASE_P): Use REGNO_MODE_OK_FOR_BASE_P.
2013 (REGNO_OK_FOR_INDEX_P): Exclude SP.
2014 (ARM_REG_OK_FOR_INDEX_P): Always define. Use
2015 ARM_REGNO_OK_FOR_INDEX_P.
2016 (ARM_PRINT_OPERAND_ADDRESS): Swap operands for [reg, sp].
2017 * config/arm/arm.md (arm_addsi3, thumb1_addsi3, arm_subsi3_insn,
2018 arm_movsi_insn, thumb1_movsi_insni, stack_tie): Add "k" alternatives.
2019 (ldm/stm peepholes): Ditto.
2020 * config/arm/thumb2.md (thumb2_movdi): Add "k" alternatives.
2021 * config/arm/vfp.md (arm_movsi_vfp, thumb2_movsi_vfp): Ditto.
2022 * config/arm/iwmmxt.md (iwmmxt_movsi_insn): Ditto.
2023 * config/arm/constraints.md: Enable "k" constraint on ARM.
2025 2008-02-27 Ben Elliston <bje@au.ibm.com>
2027 * config/rs6000/rs6000.c: Annotate cache line size field in all
2028 instances of struct processor_costs.
2030 2008-02-26 David Edelsohn <edelsohn@gnu.org>
2032 * dbgcnt.def (cfg_cleanup, cprop1, cprop2, dce_fast, dce_ud, dse1,
2033 dse2, gcse, if_conversion, if_after_combine, if_after_reload,
2034 jump_bypass): New counters.
2035 * cfgcleanup.c (cleanup_cfg): Add dbg_cnt.
2036 * dce.c (gate_ud_dce): Same.
2037 (gate_fast_dce): Same.
2038 * dse.c (gate_dse1): New function.
2039 (gate_dse2): New function.
2040 (gate_dse): Merge results of new gate functions.
2041 * gcse.c (gcse_main): Bracket cprop1 and cprop2 with dbg_cnt.
2042 (gate_handle_jump_bypass): Add dbg_cnt.
2043 (gate_handle_gcse): Add dbg_cnt.
2044 * ifcvt.c (gate_handle_if_conversion): Same.
2045 (gate_handle_if_after_combine): Same.
2046 (gate_handle_if_after_reload): Same.
2047 * Makefile.in: Add DBGCNT_H to cfgcleanup.o and ifcvt.o.
2049 2008-02-26 Edmar Wienskoski <edmar@freescale.com>
2051 * config/rs6000/rs6000.c (processor_costs): Update e300 cache
2053 * doc/invoke.texi: Add e300c2 and e300c3 to list of cpus.
2055 2008-02-26 Jason Merrill <jason@redhat.com>
2058 * attribs.c (decl_attributes): Leave ATTR_FLAG_TYPE_IN_PLACE
2059 alone if it's the naming decl for the type's main variant.
2061 2008-02-26 Tom Tromey <tromey@redhat.com>
2063 * system.h (USE_MAPPED_LOCATION): Poison.
2064 * Makefile.in (GTFILES): Put CPP_ID_DATA_H first.
2065 * tree-cfg.c (make_cond_expr_edges): Remove old location code.
2066 (make_goto_expr_edges): Likewise.
2067 (remove_bb): Likewise.
2068 (execute_warn_function_return): Likewise.
2069 * basic-block.h (struct edge_def) <goto_locus>: Change type to
2071 * c-common.c (fname_decl): Remove old location code.
2072 * tree-vect-transform.c (vect_finish_stmt_generation): Remove old
2074 * rtl.h (ASM_OPERANDS_SOURCE_LOCATION): Remove old-location
2076 (ASM_INPUT_SOURCE_LOCATION): Likewise.
2077 (gen_rtx_ASM_INPUT): Likewise.
2078 (gen_rtx_ASM_INPUT_loc): Likewise.
2079 (get_rtx_asm_OPERANDS): Remove.
2080 * cfglayout.c (insn_locators_alloc): Remove old location code.
2081 (set_curr_insn_source_location): Likewise.
2082 (curr_insn_locator): Likewise.
2083 * print-tree.c (print_node): Remove old location code.
2084 * tree-mudflap.c (mf_varname_tree): Remove old location code.
2085 (mf_file_function_line_tree): Remove test of USE_MAPPED_LOCATION.
2086 * cfgexpand.c (expand_gimple_cond_expr): Don't use
2087 location_from_locus.
2088 (construct_exit_block): Remove old location code.
2089 * emit-rtl.c (force_next_line_note): Remove old location code.
2090 * profile.c (branch_prob): Remove old location code.
2091 * tree-vectorizer.h (LOC, UNKNOWN_LOC, EXPR_LOC, LOC_FILE,
2092 LOC_LINE): Remove old-location variants.
2093 * langhooks.c (lhd_print_error_function): Remove old location
2095 * configure, config.in: Rebuilt.
2096 * configure.ac (--enable-mapped-location): Remove.
2097 * c-decl.c (c_init_decl_processing): Remove old location code.
2098 (finish_function): Likewise.
2099 * recog.c (decode_asm_operands): Remove old location code.
2100 * c-pch.c (c_common_read_pch): Remove old location code.
2101 * rtl.def (ASM_INPUT, ASM_OPERANDS): Remove old location
2103 * gimple-low.c (lower_function_body): Remove old location code.
2104 * toplev.c (unknown_location): Remove.
2105 (push_srcloc): Remove old-location variant.
2106 (process_options): Remove old location code.
2107 (lang_dependent_init): Likewise.
2108 * input.h (UNKNOWN_LOCATION): Move definition.
2109 (location_t): Undeprecate.
2110 (source_locus): Remove.
2111 (location_from_locus): Remove.
2112 (struct location_s): Remove.
2113 Remove all old-location code.
2114 (input_line, input_filename): Remove.
2115 * final.c (final_scan_insn): Remove old location code.
2116 * diagnostic.c (diagnostic_build_prefix): Remove
2117 USE_MAPPED_LOCATION test.
2118 * tree.h (gimple_stmt) <locus>: Now a location_t.
2119 (tree_exp) <locus>: Likewise.
2120 (DECL_IS_BUILTIN): Remove old-location variant.
2121 (annotate_with_file_line, annotate_with_locus): Likewise.
2122 (expr_locus, set_expr_locus): Update.
2123 * tree.c (build1_stat): Remove old location code.
2124 (last_annotated_node): Remove.
2125 (annotate_with_file_line): Remove old-location variant.
2126 (annotate_with_locus): Likewise.
2127 (expr_location): Remove old location code.
2128 (set_expr_location): Likewise.
2129 (expr_has_location): Likewise.
2130 (expr_locus): Likewise.
2131 (set_expr_locus): Likewise.
2132 (expr_filename): Don't use location_from_locus.
2133 (expr_lineno): Likewise.
2134 * rtl-error.c (location_for_asm): Remove old location code.
2135 * c-lex.c (cb_line_change): Remove old location code.
2136 (fe_file_change): Likewise.
2137 (cb_def_pragma): Likewise.
2138 (c_lex_with_flags): Likewise.
2139 * gengtype.c (do_typedef): Don't special-case location types.
2140 (define_location_structures): Remove.
2141 (main): Don't call define_location_structures.
2142 * tree-pretty-print.c (dump_implicit_edges): Remove old location
2145 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2148 * builtins.def (BUILT_IN_STDARG_START): Remove.
2149 * builtins.c (expand_builtin): Remove BUILT_IN_STDARG_START.
2150 * tree-stdarg.c (execute_optimize_stdarg): Likewise.
2151 * tree-inline.c (inline_forbidden_p_1): Likewise.
2153 2008-02-26 Richard Guenther <rguenther@suse.de>
2155 * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
2156 * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
2157 (lookup_decl_from_uid): Declare.
2158 (remove_decl_from_map): Likewise.
2159 * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
2160 * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
2161 (decl_for_uid_map): New global hashtable mapping DECL_UID
2163 (init_ttree): Allocate it.
2164 (insert_decl_to_uid_decl_map): New helper function.
2165 (make_node_stat): Insert new decls into the map.
2166 (copy_node_stat): Likewise.
2167 (lookup_decl_from_uid): New function.
2168 (remove_decl_from_map): Likewise.
2169 (print_decl_for_uid_map_statistics): New helper.
2170 (dump_tree_statistics): Call it.
2172 * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
2173 (referenced_var_iterator): Adjust.
2174 (FOR_EACH_REFERENCED_VAR): Adjust.
2175 (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
2176 (num_referenced_vars): Adjust.
2177 * tree-flow-inline.h (gimple_referenced_vars): Adjust.
2178 (first_referenced_var): Remove.
2179 (end_referenced_vars_p): Likewise.
2180 (next_referenced_var): Likewise.
2181 (referenced_var_iterator_set): New helper function.
2182 * tree-dfa.c (referenced_var_lookup): Adjust.
2183 (referenced_var_check_and_insert): Likewise.
2184 (remove_referenced_var): Likewise.
2185 * tree-ssa.c (verify_flow_insensitive_alias_info): Use
2186 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2187 (verify_call_clobbering): Likewise.
2188 (verify_memory_partitions): Likewise.
2189 (init_tree_ssa): Allocate bitmap instead of hashtable for
2191 (delete_tree_ssa): Adjust.
2192 * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
2193 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2194 (compute_tag_properties): Likewise.
2195 (set_initial_properties): Likewise.
2196 (find_partition_for): Likewise.
2197 (update_reference_counts): Likewise.
2198 (dump_may_aliases_for): Likewise.
2199 * tree-ssa-operands.c (add_virtual_operand): Likewise.
2200 (add_call_clobber_ops): Likewise.
2201 (add_call_read_ops): Likewise.
2202 (get_asm_expr_operands): Likewise.
2203 * tree-into-ssa.c (dump_decl_set): Likewise.
2204 (update_ssa): Likewise.
2205 * tree-sra.c (scan_function): Likewise.
2206 (decide_instantiations): Likewise.
2207 (scalarize_parms): Likewise.
2208 * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
2209 (dsa_named_for): Likewise.
2210 * tree-ssa-structalias.c (update_alias_info): Likewise.
2211 (merge_smts_into): Likewise.
2213 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2216 * doc/invoke.texi (-Wall): Add -Wvolatile-register-var.
2217 * c-opts.c (c_common_handle_option): Wall enables
2218 Wvolatile-register-var.
2219 * common.opt: Move Wvolatile-register-var to...
2222 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2224 * common.opt (Wlarger-than=): New.
2225 * doc/invoke.texi (Warning Options): Replace -Wlarger-than- with
2227 * opts.c (common_handle_option): Handle -Wlarger-than=.
2228 * optc-gen.awk: Likewise.
2229 * opth-gen.awk: Likewise.
2230 * stor-layout.c (layout_decl): Use -Wlarger-than= for warning.
2231 * tree-optimize.c (tree_rest_of_compilation): Likewise.
2233 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2235 * c-common.c (match_case_to_enum_1): Add appropriate
2236 OPT_W* parameter to warning.
2237 (c_do_switch_warnings): Likewise.
2238 * c-typeck.c (warning_init): Add one more parameter following
2240 (push_init_level): Update call to warning_init.
2241 (pop_init_level): Likewise.
2242 (add_pending_init): Likewise.
2243 (output_init_element: Likewise.
2245 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2248 * toplev.c (toplev_main): If there are warnings or error, print
2249 errors for ignored options.
2250 * opts.c (ignored_options): New static variable.
2251 (postpone_unknown_option_error): New.
2252 (print_ignored_options): New.
2253 (handle_option): Postpone errors for unknown -Wno-* options.
2254 * opts.h (print_ignored_options): Declare.
2256 2008-02-25 Richard Sandiford <rsandifo@nildram.co.uk>
2258 * config/mips/mips.md (loadgp_blockage, blockage): Change type
2261 2008-02-25 Richard Guenther <rguenther@suse.de>
2264 2008-02-25 Richard Guenther <rguenther@suse.de>
2266 * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
2267 * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
2268 (lookup_decl_from_uid): Declare.
2269 * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
2270 * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
2271 (decl_for_uid_map): New global hashtable mapping DECL_UID
2273 (init_ttree): Allocate it.
2274 (insert_decl_to_uid_decl_map): New helper function.
2275 (make_node_stat): Insert new decls into the map.
2276 (copy_node_stat): Likewise.
2277 (lookup_decl_from_uid): New function.
2278 (print_decl_for_uid_map_statistics): New helper.
2279 (dump_tree_statistics): Call it.
2281 * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
2282 (referenced_var_iterator): Adjust.
2283 (FOR_EACH_REFERENCED_VAR): Adjust.
2284 (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
2285 (num_referenced_vars): Adjust.
2286 * tree-flow-inline.h (gimple_referenced_vars): Adjust.
2287 (first_referenced_var): Remove.
2288 (end_referenced_vars_p): Likewise.
2289 (next_referenced_var): Likewise.
2290 (referenced_var_iterator_set): New helper function.
2291 * tree-dfa.c (referenced_var_lookup): Adjust.
2292 (referenced_var_check_and_insert): Likewise.
2293 (remove_referenced_var): Likewise.
2294 * tree-ssa.c (verify_flow_insensitive_alias_info): Use
2295 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2296 (verify_call_clobbering): Likewise.
2297 (verify_memory_partitions): Likewise.
2298 (init_tree_ssa): Allocate bitmap instead of hashtable for
2300 (delete_tree_ssa): Adjust.
2301 * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
2302 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2303 (compute_tag_properties): Likewise.
2304 (set_initial_properties): Likewise.
2305 (find_partition_for): Likewise.
2306 (update_reference_counts): Likewise.
2307 (dump_may_aliases_for): Likewise.
2308 * tree-ssa-operands.c (add_virtual_operand): Likewise.
2309 (add_call_clobber_ops): Likewise.
2310 (add_call_read_ops): Likewise.
2311 (get_asm_expr_operands): Likewise.
2312 * tree-into-ssa.c (dump_decl_set): Likewise.
2313 (update_ssa): Likewise.
2314 * tree-sra.c (scan_function): Likewise.
2315 (decide_instantiations): Likewise.
2316 (scalarize_parms): Likewise.
2317 * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
2318 (dsa_named_for): Likewise.
2319 * tree-ssa-structalias.c (update_alias_info): Likewise.
2320 (merge_smts_into): Likewise.
2322 2008-02-25 Janne Blomqvist <jb@gcc.gnu.org>
2325 * doc/invoke.texi (-fcx-limited-range): Document new option.
2326 * toplev.c (process_options): Handle -fcx-fortran-rules.
2327 * common.opt: Add documentation for -fcx-fortran-rules.
2329 2008-02-25 Janne Blomqvist <jb@gcc.gnu.org>
2332 * doc/invoke.texi (-fcx-limited-range): Correct to be in line with
2333 actual behaviour and C99.
2335 2008-02-26 Ben Elliston <bje@au.ibm.com>
2337 * config/rs6000/rs6000.h (ASM_CPU_POWER5_SPEC): Define.
2338 (ASM_CPU_POWER6_SPEC): Likewise.
2339 (ASM_CPU_SPEC): Pass %(asm_cpu_power5) for -mcpu=power5.
2340 Likewise, pass %(asm_cpu_power6) for -mcpu=power6.
2341 (EXTRA_SPECS): Add asm_cpu_power5, asm_cpu_power6 spec strings.
2343 2008-02-25 Richard Guenther <rguenther@suse.de>
2345 * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
2346 * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
2347 (lookup_decl_from_uid): Declare.
2348 * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
2349 * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
2350 (decl_for_uid_map): New global hashtable mapping DECL_UID
2352 (init_ttree): Allocate it.
2353 (insert_decl_to_uid_decl_map): New helper function.
2354 (make_node_stat): Insert new decls into the map.
2355 (copy_node_stat): Likewise.
2356 (lookup_decl_from_uid): New function.
2357 (print_decl_for_uid_map_statistics): New helper.
2358 (dump_tree_statistics): Call it.
2360 * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
2361 (referenced_var_iterator): Adjust.
2362 (FOR_EACH_REFERENCED_VAR): Adjust.
2363 (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
2364 (num_referenced_vars): Adjust.
2365 * tree-flow-inline.h (gimple_referenced_vars): Adjust.
2366 (first_referenced_var): Remove.
2367 (end_referenced_vars_p): Likewise.
2368 (next_referenced_var): Likewise.
2369 (referenced_var_iterator_set): New helper function.
2370 * tree-dfa.c (referenced_var_lookup): Adjust.
2371 (referenced_var_check_and_insert): Likewise.
2372 (remove_referenced_var): Likewise.
2373 * tree-ssa.c (verify_flow_insensitive_alias_info): Use
2374 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2375 (verify_call_clobbering): Likewise.
2376 (verify_memory_partitions): Likewise.
2377 (init_tree_ssa): Allocate bitmap instead of hashtable for
2379 (delete_tree_ssa): Adjust.
2380 * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
2381 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2382 (compute_tag_properties): Likewise.
2383 (set_initial_properties): Likewise.
2384 (find_partition_for): Likewise.
2385 (update_reference_counts): Likewise.
2386 (dump_may_aliases_for): Likewise.
2387 * tree-ssa-operands.c (add_virtual_operand): Likewise.
2388 (add_call_clobber_ops): Likewise.
2389 (add_call_read_ops): Likewise.
2390 (get_asm_expr_operands): Likewise.
2391 * tree-into-ssa.c (dump_decl_set): Likewise.
2392 (update_ssa): Likewise.
2393 * tree-sra.c (scan_function): Likewise.
2394 (decide_instantiations): Likewise.
2395 (scalarize_parms): Likewise.
2396 * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
2397 (dsa_named_for): Likewise.
2398 * tree-ssa-structalias.c (update_alias_info): Likewise.
2399 (merge_smts_into): Likewise.
2401 2008-02-25 Andreas Krebbel <krebbel1@de.ibm.com>
2404 * cse.c (cse_insn): Avoid creation of overlapping MEMs.
2405 * alias.c (nonoverlapping_memrefs_p): Export for use in other modules.
2406 * alias.h (nonoverlapping_memrefs_p): Likewise.
2408 2008-02-25 Jan Beulich <jbeulich@novell.com>
2410 * Makefile.in: Also prefix uses of crt0.o and mcrt0.o with $(T).
2411 * config/i386/netware-libgcc.exp: Add __bswap?i2,
2412 __emultls_get_address, __emultls_register_common,
2413 __floatundi?f, and _Unwind_GetIPInfo.
2414 * config/i386/netware.c (gen_stdcall_or_fastcall_decoration):
2415 Sync with config/i386/winnt.c:gen_stdcall_or_fastcall_suffix().
2416 (gen_regparm_prefix): Likewise.
2417 (i386_nlm_encode_section_info): Sync with
2418 config/i386/winnt.c:i386_pe_encode_section_info().
2419 (i386_nlm_maybe_mangle_decl_assembler_name): New.
2420 i386_nlm_mangle_decl_assembler_name): New.
2421 (netware_override_options): New.
2422 * config/i386/netware.h (netware_override_options): Declare.
2423 (OVERRIDE_OPTIONS): Re-define to netware_override_options.
2424 (i386_nlm_mangle_decl_assembler_name): Declare.
2425 (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Define.
2427 2008-02-25 Ben Elliston <bje@au.ibm.com>
2430 * c-decl.c (grokdeclarator): Remove unused local variables
2431 `typedef_type' and `type_as_written'.
2433 (find_rarely_executed_basic_blocks_and_crossing_edges): Remove
2434 unused local variable `has_hot_blocks'.
2435 (fix_crossing_conditional_branches): Remove unused local variable
2438 2008-02-25 Uros Bizjak <ubizjak@gmail.com>
2441 * builtins.def (BUILT_IN_NAN): Define as c99 builtin
2442 using DEF_C99_BUILTIN.
2443 (BUILT_IN_NANF): Ditto.
2444 (BUILT_IN_NANL): Ditto.
2446 2008-02-25 Ayal Zaks <zaks@il.ibm.com>
2447 Revital Eres <eres@il.ibm.com>
2449 * modulo-sched.c (calculate_must_precede_follow): Address TODO
2450 regarding the order of two dependent insns in the same row.
2452 2008-02-25 Eric Botcazou <ebotcazou@adacore.com>
2454 * stor-layout.c (layout_decl): Do not bump the alignment of a
2455 bit-field to more than byte alignment if it is packed.
2457 2008-02-24 David Edelsohn <edelsohn@gnu.org>
2459 * config/rs6000/rs6000.c (processor_costs): Add cache costs for
2462 2008-02-24 Diego Novillo <dnovillo@google.com>
2464 http://gcc.gnu.org/ml/gcc-patches/2008-02/msg01094.html
2467 * tree-vrp.c (vrp_evaluate_conditional): With
2468 -Wtype-limits, emit a warning when comparing against a
2469 constant outside the natural range of OP0's type.
2470 * c.opt (Wtype-limits): Move ...
2471 * common.opt (Wtype-limits): ... here.
2473 2008-02-24 Edmar Wienskoski <edmar@freescale.com>
2475 * config.gcc (powerpc*-*-*): Add new cores e300c2 and e300c3.
2476 * config/rs6000/e300c2c3.md: New file.
2477 * config/rs6000/rs6000.c (processor_costs): Add new costs for
2479 (rs6000_override_options): Add e300c2 and e300c3 cases to
2480 processor_target_table. Do not allow usage of Altivec or Spe
2481 with e300 cores. Initialize rs6000_cost for e300c2 and e300c3.
2482 (rs6000_issue_rate): Set issue rate for e300c2 and e300c3.
2483 * config/rs6000/rs6000.h (processor_type): Add
2484 PROCESSOR_PPCE300C2 and PROCESSOR_PPCE300C3.
2485 (ASM_CPU_SPEC): Add e300c2 and e300c3.
2486 * config/rs6000/rs6000.md (define_attr "cpu"): Add ppce300c2
2487 and ppce300c3. Include e300c2c3.md.
2489 2008-02-23 David Edelsohn <edelsohn@gnu.org>
2491 * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Use STRICT_ALIGNMENT
2492 instead of TARGET_STRICT_ALIGN.
2494 2008-02-23 Joseph Myers <joseph@codesourcery.com>
2496 * explow.c (memory_address): Assert that the generated address is
2499 2008-02-23 Francois-Xavier Coudert <coudert@clipper.ens.fr>
2502 * config/darwin-protos.h: Add darwin_patch_builtins prototype.
2503 * config/darwin-ppc-ldouble-patch.def: New file.
2504 * config/rs6000/darwin.h (SUBTARGET_INIT_BUILTINS): New macro.
2505 * config/rs6000/rs6000.c (rs6000_init_builtins): Call
2506 SUBTARGET_INIT_BUILTINS if defined.
2507 * config/darwin.c (darwin_patch_builtin, darwin_patch_builtins):
2510 2008-02-23 Andrew Pinski <andrew_pinski@playstation.sony.com>
2513 * simplify-rtx.c (simplify_binary_operation_1): Add simplification
2514 of (and X (ior (not X) Y) and (and (ior (not X) Y) X).
2516 2008-02-23 Andrew Pinski <andrew_pinski@playstation.sony.com>
2519 * c-pch.c (c_common_valid_pch): Make the "too short to be a PCH
2520 file" warning condtional on -Winvalid-PCH.
2522 2008-02-23 Daniel Jacobowitz <dan@codesourcery.com>
2524 * expmed.c (extract_bit_field): Always use adjust_address for MEM.
2526 2008-02-23 Uros Bizjak <ubizjak@gmail.com>
2530 * config/i386/mmx.md (*mov<mode>_internal_rex64): Use "!y" to
2531 prevent reload from using MMX registers.
2532 (*mov<mode>_internal): Ditto.
2533 (*movv2sf_internal_rex64): Ditto.
2534 (*movv2sf_internal): Ditto.
2536 2008-02-23 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2538 PR documentation/31569
2539 * doc/install.texi2html: Use makeinfo --no-number-sections.
2541 2008-02-22 Nathan Froyd <froydnj@codesourcery.com>
2543 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check to
2544 ensure that we can address an entire entity > 8 bytes. Don't
2545 generate reg+reg addressing for such data.
2547 2008-02-22 Nathan Froyd <froydnj@codesourcery.com>
2549 * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Don't overalign
2550 strings when optimizing for size, unless the target cares about
2553 2008-02-22 Tom Tromey <tromey@redhat.com>
2555 * regclass.c (current_pass): Remove declaration.
2557 2008-02-22 Anatoly Sokolov <aesok@post.ru>
2559 * config/avr/libgcc.S (__RAMPZ__): Define.
2560 (__do_copy_data): Add for devices with 128KB code memory.
2562 2008-02-22 Nathan Froyd <froydnj@codesourcery.com>
2564 * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
2566 * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Likewise.
2568 2008-02-22 Hans-Peter Nilsson <hp@axis.com>
2570 * config/cris/cris.h (REG_CLASS_FROM_LETTER): Recognize 'b' for
2573 2008-02-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2576 * c-typeck.c (build_binary_op): Warn about floating point
2577 comparisons if FLOAT_TYPE_P, not only for REAL_TYPE.
2579 2008-02-21 Janis Johnson <janis187@us.ibm.com>
2582 * config/rs6000/rs6000.c (rs6000_altivec_abi): Clarify comment.
2583 (rs6000_explicit_options): Split abi into spe_abi and altivec_abi,
2585 (rs6000_override_options): Set altivec_abi as default, not override,
2586 for 64-bit GNU/Linux; for 32-bit GNU/Linux default to altivec_abi for
2587 TARGET_ALTIVEC; default to TARGET_ALTIVEC_VRSAVE when AltiVec ABI
2588 is used; use new member spe_abi.
2589 (rs6000_handle_option): Set rs6000_explicit_options.vrsave; use
2590 spe_abi and altivec_abi.
2592 2008-02-22 Tomas Bily <tbily@suse.cz>
2594 * tree-vectorizer.c (vect_is_simple_reduction): Fix comment typo.
2596 2008-02-21 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2599 * config.build (build_file_translate): Set to `CMD //c' only if
2601 * Makefile.in (build_file_translate): Improve comment.
2603 2008-02-21 Jan Hubicka <jh@suse.cz>
2605 * predict.def (PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL,
2606 PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL, PRED_CALL,
2607 PRED_TREE_EARLY_RETURN, PRED_NULL_RETURN): Update.
2609 2008-02-21 Michael Matz <matz@suse.de>
2612 * config/i386/i386.c (ix86_expand_branch): Add missing breaks.
2614 2008-02-21 Uros Bizjak <ubizjak@gmail.com>
2616 * config/i386/i386.md (mov<mode>cc): Macroize expander from movsfcc,
2617 movdfcc and movxfcc using X87MODEF mode iterator and SSE_FLOAT_MODE_P
2619 * config/i386/sse.md (<sse>_movup<ssemodesuffixf2c>): Macroize insn
2620 from sse_movups adn sse2_movupd using SSEMODEF2P mode iterator and
2621 SSE_VEC_FLOAT_MODE_P as insn constraint.
2622 (<sse>_movmskp<ssemodesuffixf2c>): Ditto from similar patterns.
2623 (sse4a_movnt<mode>): Macroize insn from sse4a_movntsf and
2624 sse4a_movntdf using MODEF mode iterator.
2625 (sse4a_vmmovnt<mode>): Macroize insn form sse4a_vmmovntv2df and
2626 sse4a_vmmovntv4sf using SSEMODEF2P mode iterator.
2627 (sse4_1_blendp<ssemodesuffixf2c>): Ditto from similar patterns.
2628 (sse4_1_blendvp<ssemodesuffixf2c>): Ditto.
2629 (sse4_1_dpp<ssemodesuffixf2c>): Ditto.
2630 (sse4_1_roundp<ssemodesuffixf2c>): Ditto.
2631 (sse4_1_rounds<ssemodesuffixf2c>): Ditto.
2633 2008-02-21 Richard Guenther <rguenther@suse.de>
2635 * tree.def (PAREN_EXPR): New tree code.
2636 * fold-const.c (fold_unary): Remove PAREN_EXPR around constants
2638 * tree-pretty-print.c (dump_generic_node): Handle PAREN_EXPR.
2639 * expr.c (expand_expr_real_1): Likewise.
2640 * tree-inline.c (estimate_num_insns_1): Likewise.
2641 * tree-complex.c (expand_complex_move): Likewise.
2642 * tree-vectorizer.c (vect_is_simple_use): Treat PAREN_EXPR (x)
2645 2008-02-20 Kaz Kojima <kkojima@gcc.gnu.org>
2648 * config/sh/sh.c (find_barrier): Don't go past 'from' argument.
2650 2008-02-20 Kaz Kojima <kkojima@gcc.gnu.org>
2653 * config/sh/sh.md (jump_compact): Disable for crossing jumps.
2655 * config/sh/sh.c (find_barrier): Don't go past
2656 NOTE_INSN_SWITCH_TEXT_SECTIONS note.
2658 2008-02-20 DJ Delorie <dj@redhat.com>
2660 * config/h8300/h8300.md (insv): Force source operand to be a register.
2662 * config/h8300/h8300.c (h8300_expand_epilogue): Emit return insn
2663 as a jump, not as a plain insn.
2665 2008-02-20 Seongbae Park <seongbae.park@gmail.com>
2667 * doc/invoke.texi (Warning Options): Add new option
2668 -Wframe-larger-than=.
2669 (-Wframe-larger-than): Document.
2671 * flags.h (warn_frame_larger_than, frame_larger_than_size):
2672 Add declarations for new option variables.
2674 * final.c (final_start_function): Check the frame size
2675 before emission and issue a Wframe-larger-than warning.
2677 * opts.c (warn_frame_larger_than, frame_larger_than_size):
2678 Add definitions for new option variables.
2679 (common_handle_option): Handle new option OPT_Wframe_larger_than_.
2681 * common.opt (Wframe-larger-than=): New option.
2683 2008-02-20 Uros Bizjak <ubizjak@gmail.com>
2685 * config/i386/sse.md (<sse>_vmmul<mode>3): Fix typo in asm template.
2686 (<sse>_div<mode>3): Ditto.
2687 (<sse>_vmdiv<mode>3): Ditto.
2688 (<sse>_vmsqrt<mode>2): Ditto.
2689 (*smax<mode>3): Ditto.
2690 (sse5_frcz<mode>2): Ditto.
2691 (sse5_vmfrcz<mode>2): Ditto. Use TARGET_SSE5 instead of TARGET_ROUND
2694 2008-02-20 Richard Guenther <rguenther@suse.de>
2697 * builtins.c (validate_arg): If we want an INTEGER_TYPE,
2698 be happy with INTEGRAL_TYPE_P.
2700 2008-02-20 Richard Guenther <rguenther@suse.de>
2702 * fold-const.c (split_tree): Associate floatig-point expressions
2703 if flag_associative_math is set.
2705 2008-02-20 Richard Guenther <rguenther@suse.de>
2707 * tree.h (fold_real_zero_addition_p): Declare.
2708 * fold-const.c (fold_real_zero_addition_p): Export.
2709 * tree-ssa-reassoc.c (eliminate_using_constants): Also handle
2710 floating-point operations with zero and one.
2712 2008-02-20 Paolo Bonzini <bonzini@gnu.org>
2714 * doc/install.texi: Correct references to CFLAGS, replacing them
2715 with BOOT_CFLAGS. Document flags used during bootstrap for
2718 2008-02-20 Uros Bizjak <ubizjak@gmail.com>
2720 * config/i386/i386.h (SSE_VEC_FLOAT_MODE_P): New define.
2721 * config/i386/i386.md (*sse_setcc<mode>): Macroize from *sse_setccsf
2722 and *sse_setccdf using MODEF mode iterator and SSE_FLOAT_MODE_P as
2724 (smin<mode>3): Ditto from similar patterns.
2725 (smax<mode>3): Ditto.
2726 (*ieee_smin<mode>3): Ditto.
2727 (*ieee_smax<mode>3): Ditto.
2728 * config/i386/sse.md (sse): New mode attribute.
2729 (mov<mode>): Macroize expander from movv4sf and movv2df using
2730 SSEMODEF2P mode iterator.
2731 (<sse>_movnt<mode>): Ditto from similar patterns. Use
2732 SSE_VEC_FLOAT_MODE_P as insn constraint.
2733 (storent<mode>): Ditto.
2734 (storent<mode>): Macroize expander from storentsf and storentdf using
2735 MODEF mode iterator.
2736 (neg<mode>2): Macroize from negv4sf2 and negv2df2 using SSEMODEF2P
2737 mode iterator and SSE_VEC_FLOAT_MODE_P as insn constraint.
2738 (abs<mode>2): Ditto from similar patterns.
2739 (add<mode>3, *add<mode>3, <sse>_vmadd<mode>3): Ditto.
2740 (sub<mode>3, *sub<mode>3, <sse>_vmsub<mode>3): Ditto.
2741 (<sse>_div<mode>3, <sse>_vmdiv<mode>3): Ditto.
2742 (<sse>_vmsqrt<mode>2): Ditto.
2743 (smin<mode>3, *smin<mode>3_finite, *smin<mode>3)
2744 (<sse>_vmsmin<mode>3, *ieee_smin<mode>3): Ditto.
2745 (smax<mode>3, *smax<mode>3_finite, *smax<mode>3)
2746 (<sse>_vmsmax<mode>3, *ieee_smax<mode>3): Ditto.
2747 (<sse>_maskcmp<mode>3): Macroize from sse_maskcmpv4sf3,
2748 sse_maskcmpsf3, sse2_maskcmpv2df3 and sse2_maskcmpdf3 using SSEMODEF4
2749 mode iterator. Use SSE_FLOAT_MODE_P with SSE_VEC_FLOAT_MODE_P as
2751 (<sse>_comi): Macroize from sse_comi and sse2_comi using MODEF mode
2752 iterator and SSE_FLOAT_MODE_P as insn constraint.
2753 (<sse>_ucomi): Ditto from similar patterns.
2754 (<sse>_vmmaskcmp<mode>3): Macroize from sse_vmmaskcmpv4sf3 and
2755 sse2_vmmaskcmpv2df3 using SSEMODEF2P mode iterator and
2756 SSE_VEC_FLOAT_MODE_P as insn constraint.
2757 (vcond<mode>): Ditto from similar patterns.
2758 (and<mode>3, *and<mode>3): Ditto.
2759 (<sse>_nand<mode>3): Ditto.
2760 (ior<mode>3, *ior<mode>3): Ditto.
2761 (xor<mode>3, *xor<mode>3): Ditto.
2762 (*and<mode>3): Macroize from *andsf3 and *anddf3 using MODEF mode
2763 iterator and SSE_FLOAT_MODE_P as insn constraint.
2764 (*nand<mode>3): Ditto from similar patterns.
2765 (*ior<mode>3): Ditto.
2766 (*xor<mode>3): Ditto.
2768 2008-02-20 Ira Rosen <irar@il.ibm.com>
2770 * config/spu/spu.md (vec_unpacku_hi_v8hi, vec_unpacku_lo_v8hi,
2771 vec_unpacks_hi_v8hi, vec_unpacks_lo_v8hi, vec_unpacku_hi_v16qi,
2772 vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi): Implement.
2774 2008-02-19 Jan Hubicka <jh@suse.cz>
2776 * predict.c (tree_bb_level_predictions): Remove variable next
2777 mistakely introduced by previous commit.
2779 2008-02-19 Jan Hubicka <jh@suse.cz>
2781 * predict.c (predict_paths_leading_to): Rewrite.
2782 (predict_paths_for_bb): New.
2783 (tree_bb_level_predictions): Update call of predict_paths_leading_to.
2785 2008-02-19 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2788 * Makefile.in (build_file_translate): New.
2789 (gcc-vers.texi): Use it for translating $(abs_srcdir).
2790 * config.build (build_file_translate): Set to `CMD //c' on MinGW.
2791 * configure.ac (build_file_translate): Substitute it.
2792 * configure: Regenerate.
2794 2008-02-19 Jan Hubicka <jh@suse.cz>
2796 PR rtl-optimization/34408
2797 * see.c (see_def_extension_not_merged): Copy subreg so we don't have
2800 2008-02-19 Jan Hubicka <jh@suse.cz>
2803 * tree-inline.c (estimate_num_insns_1): Fix counting of cost of
2806 2008-02-19 H.J. Lu <hongjiu.lu@intel.com>
2809 * config/i386/i386-modes.def: Revert the last DI alignment
2810 change until Ada people can look into it.
2812 2008-02-19 Nick Clifton <nickc@redhat.com>
2814 * opts.c (print_specific_help): Fix typo in --help text.
2816 2008-02-19 Jakub Jelinek <jakub@redhat.com>
2819 * config/i386/cpuid.h (__cpuid, __get_cpuid_max): Use special
2820 32-bit inline asm without asm alternatives for host GCC < 3.0.
2822 2008-02-19 Richard Guenther <rguenther@suse.de>
2824 PR tree-optimization/34989
2825 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Re-structure.
2826 Allow propagation to INDIRECT_REF if we can simplify only.
2828 2008-02-19 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2830 * c-common.c (warn_for_collisions_1): Use appropriate option when
2833 2008-02-19 Nick Clifton <nickc@redhat.com>
2836 * opts.c (undocumented_msg): Leave blank unless checking is enabled.
2837 (handle_options): Fix indentation.
2838 (print_filtered_help): If no language-specific options were
2839 displayed tell the user how to list all the options supported by
2840 the language's front-end.
2841 (print_specific_help): Fix indentation and remove duplicate line.
2842 (common_handle_option): Handle the -v option.
2843 For --help enable the display of undocumented options if the -v
2844 switch has been included on the command line.
2845 For --help= check for overlaps in the arguments between the option
2846 classes and the language names and issue a warning when they
2847 cannot be disambiguated.
2848 * c.opt (v): Pass on to the common option handler.
2850 2008-02-19 Revital Eres <eres@il.ibm.com>
2852 * modulo-sched.c (sms_schedule): Change dump message when
2853 create_ddg function fails.
2854 (try_scheduling_node_in_cycle): Rename row to cycle.
2855 (print_partial_schedule): Rename CYCLE to ROW.
2857 2008-02-19 Christian Bruel <christian.bruel@st.com>
2858 Zdenek Dvorak <ook@ucw.cz>
2860 * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check step alignment.
2862 2008-02-19 Uros Bizjak <ubizjak@gmail.com>
2865 * config/i386/i386.md (*x86_movsicc_0_m1_se): New insn pattern.
2866 (*x86_movdicc_0_m1_se): Ditto.
2868 2008-02-19 Uros Bizjak <ubizjak@gmail.com>
2870 * config/i386/sfp-machine.h (__gcc_CMPtype): New typedef.
2871 (CMPtype): Define as __gcc_CMPtype.
2872 * config/rs6000/sfp-machine.h (__gcc_CMPtype): New typedef.
2873 (CMPtype): Define as __gcc_CMPtype.
2875 2008-02-19 Hans-Peter Nilsson <hp@axis.com>
2877 Support valgrind 3.3 for --enable-checking=valgrind.
2878 * system.h: Consolidate ENABLE_VALGRIND_CHECKING-dependent defines
2880 [!VALGRIND_MAKE_MEM_NOACCESS]: Define as VALGRIND_MAKE_NOACCESS.
2881 [!VALGRIND_MAKE_MEM_DEFINED]: Define as VALGRIND_MAKE_READABLE.
2882 [!VALGRIND_MAKE_MEM_UNDEFINED]: Define as VALGRIND_MAKE_WRITABLE.
2883 * ggc-common.c: Remove ENABLE_VALGRIND_CHECKING-dependent defines.
2884 Replace use of VALGRIND_MAKE_READABLE, VALGRIND_MAKE_WRITABLE, and
2885 VALGRIND_MAKE_NOACCESS with VALGRIND_MAKE_MEM_DEFINED,
2886 VALGRIND_MAKE_MEM_UNDEFINED, and VALGRIND_MAKE_MEM_NOACCESS
2888 * ggc-zone.c: Similar.
2889 * ggc-page.c: Similar.
2891 2008-02-19 Paul Brook <paul@codesourcery.com>
2894 * config/arm/ieee754-df.S: Fix do_it typo.
2895 * config/arm/ieee754-sf.S: Fix do_it typo.
2897 2008-02-18 H.J. Lu <hongjiu.lu@intel.com>
2900 * config/i386/i386.c (OPTION_MASK_ISA_MMX_SET): New.
2901 (OPTION_MASK_ISA_3DNOW_SET): Likewise.
2902 (OPTION_MASK_ISA_SSE_SET): Likewise.
2903 (OPTION_MASK_ISA_SSE2_SET): Likewise.
2904 (OPTION_MASK_ISA_SSE3_SET): Likewise.
2905 (OPTION_MASK_ISA_SSSE3_SET): Likewise.
2906 (OPTION_MASK_ISA_SSE4_1_SET): Likewise.
2907 (OPTION_MASK_ISA_SSE4_2_SET): Likewise.
2908 (OPTION_MASK_ISA_SSE4_SET): Likewise.
2909 (OPTION_MASK_ISA_SSE4A_SET): Likewise.
2910 (OPTION_MASK_ISA_SSE5_SET): Likewise.
2911 (OPTION_MASK_ISA_3DNOW_A_UNSET): Likewise.
2912 (OPTION_MASK_ISA_MMX_UNSET): Updated.
2913 (OPTION_MASK_ISA_3DNOW_UNSET): Updated.
2914 (OPTION_MASK_ISA_SSE_UNSET): Likewise.
2915 (OPTION_MASK_ISA_SSE3_UNSET): Likewise.
2916 (OPTION_MASK_ISA_SSSE3_UNSET): Likewise.
2917 (OPTION_MASK_ISA_SSE4_1_UNSET): Likewise.
2918 (OPTION_MASK_ISA_SSE4_2_UNSET): Likewise.
2919 (OPTION_MASK_ISA_SSE4A_UNSET): Likewise.
2920 (OPTION_MASK_ISA_SSE5_UNSET): Likewise.
2921 (OPTION_MASK_ISA_SSE4): Removed.
2922 (ix86_handle_option): Turn on bits in ix86_isa_flags and
2923 ix86_isa_flags_explicit with OPTION_MASK_ISA_XXX_SET for -mXXX.
2924 (override_options): Don't turn on implied SSE/MMX bits in
2927 2008-02-18 H.J. Lu <hongjiu.lu@intel.com>
2929 * config/i386/i386-modes.def: Use 4 byte alignment on DI for
2932 2008-02-18 Joey Ye <joey.ye@intel.com>
2935 * tree-nested.c (insert_field_into_struct): Set type alignment
2936 to field alignment if the former is less than the latter.
2938 2008-02-18 Jakub Jelinek <jakub@redhat.com>
2940 * BASE-VER: Set to 4.4.0.
2942 2008-02-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2944 * doc/c-tree.texi: Use @dots{} and @enddots{} where appropriate.
2945 * doc/cfg.texi: Likewise.
2946 * doc/extend.texi: Likewise.
2947 * doc/gty.texi: Likewise.
2948 * doc/invoke.texi: Likewise.
2949 * doc/loop.texi: Likewise.
2950 * doc/md.texi: Likewise.
2951 * doc/passes.texi: Likewise.
2952 * doc/rtl.texi: Likewise.
2953 * doc/sourcebuild.texi: Likewise.
2954 * doc/tm.texi: Likewise.
2955 * doc/tree-ssa.texi: Likewise.
2957 2008-02-17 Richard Guenther <rguenther@suse.de>
2960 * tree-complex.c (init_parameter_lattice_values): Handle parameters
2961 without default definition.
2963 2008-02-17 Richard Guenther <rguenther@suse.de>
2965 PR tree-optimization/35231
2966 * tree-vrp.c (register_edge_assert_for): Do not assume A == 0
2969 2008-02-17 Uros Bizjak <ubizjak@gmail.com>
2972 2008-02-15 Uros Bizjak <ubizjak@gmail.com>
2973 * config/i386/sfp-machine.h (CMPtype): Define as typedef using
2974 libgcc_cmp_return mode.
2976 2008-02-16 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2979 * doc/invoke.texi (-std): Clarify description of -std= and -ansi.
2981 2008-02-16 Ralf Corsepius <ralf.corsepius@rtems.org>
2983 * config/m68k/t-rtems (M68K_MLIB_CPU): Add 5208, 5307, 5407, 5475
2986 2008-02-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2988 * doc/c-tree.texi: Use `@.' where appropriate.
2989 * doc/extend.texi: Likewise.
2990 * doc/install.texi: Likewise.
2991 * doc/invoke.texi: Likewise.
2992 * doc/loop.texi: Likewise.
2993 * doc/makefile.texi: Likewise.
2994 * doc/md.texi: Likewise.
2995 * doc/passes.texi: Likewise.
2996 * doc/standards.texi: Likewise.
2997 * doc/tm.texi: Likewise.
2999 2008-02-15 Jakub Jelinek <jakub@redhat.com>
3002 * omp-low.c (expand_omp_for_generic): Don't initialize fd->v
3004 (expand_omp_for_static_nochunk): Initialize fd->v in seq_start_bb
3005 rather than in entry_bb.
3007 2008-02-15 Uros Bizjak <ubizjak@gmail.com>
3009 * config/i386/sfp-machine.h (CMPtype): Define as typedef using
3010 libgcc_cmp_return mode.
3012 2008-02-15 Jakub Jelinek <jakub@redhat.com>
3015 * tree-nested.c (convert_call_expr): Put FRAME.* vars into
3016 OMP_CLAUSE_SHARED rather than OMP_CLAUSE_FIRSTPRIVATE clause.
3018 2008-02-15 Richard Guenther <rguenther@suse.de>
3019 Zdenek Dvorak <ook@ucw.cz>
3021 PR tree-optimization/35164
3022 * tree-flow.h (stmt_references_abnormal_ssa_name): Declare.
3023 * tree-dfa.c (stmt_references_abnormal_ssa_name): New function.
3024 * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
3025 Only propagate addresses which do not have abnormal SSA_NAMEs
3028 2008-02-15 Joseph Myers <joseph@codesourcery.com>
3031 * config/m68k/m68k.h (DWARF_CIE_DATA_ALIGNMENT): Define.
3033 2008-02-15 Jan Hubicka <jh@suse.cz>
3036 * ipa.c (cgraph_remove_unreachable_nodes): Clear local.inlinable flag.
3038 2008-02-15 Uros Bizjak <ubizjak@gmail.com>
3041 * function.c (pad_to_arg_alignment): Remove test for STACK_BOUNDARY
3042 when calculating alignment_pad.
3044 2008-02-15 Uros Bizjak <ubizjak@gmail.com>
3046 * config/i386/i386.h (CLEAR_RATIO): Use MIN macro.
3047 (WIDEST_HARDWARE_FP_SIZE): Use LONG_DOUBLE_TYPE_SIZE define.
3048 * config/i386/darwin.h (PREFERRED_STACK_BOUNDARY): Use MAX macro
3049 and STACK_BOUNDARY define.
3051 2008-02-14 Danny Smith <dannysmith@users.sourceforge.net>
3053 PR preprocessor/35061
3054 * c-pragma.c (handle_pragma_pop_macro): Check that
3055 pushed_macro_table has been allocated.
3057 2008-02-14 Eric Botcazou <ebotcazou@adacore.com>
3060 * gimplify.c (force_gimple_operand_bsi): Revert 2008-02-12 change.
3061 (force_gimple_operand): Likewise.
3062 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Add new cases
3063 for TARGET_MEM_REF and CONVERT_EXPR/NON_LVALUE_EXPR/NOP_EXPR.
3064 Also recurse on the operand for regular VIEW_CONVERT_EXPRs.
3065 (find_interesting_uses_address): Check addressability and alignment
3066 of the base expression only after substituting bases of IVs into it.
3068 2008-02-14 Michael Matz <matz@suse.de>
3071 * function.c (instantiate_virtual_regs_in_insn): Reload address
3072 before falling back to reloading the whole operand.
3074 2008-02-14 Andreas Krebbel <krebbel1@de.ibm.com>
3076 * config/s390/s390.c (s390_mainpool_start): Emit the pool
3077 before the first section switch note.
3079 2008-02-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3081 * doc/bugreport.texi: Update copyright years.
3082 * doc/c-tree.texi: Likewise.
3083 * doc/cfg.texi: Likewise.
3084 * doc/cpp.texi: Likewise.
3085 * doc/cppinternals.texi: Likewise.
3086 * doc/fragments.texi: Likewise.
3087 * doc/frontends.texi: Likewise.
3088 * doc/gcc.texi: Likewise.
3089 * doc/gty.texi: Likewise.
3090 * doc/hostconfig.texi: Likewise.
3091 * doc/implement-c.texi: Likewise.
3092 * doc/libgcc.texi: Likewise.
3093 * doc/loop.texi: Likewise.
3094 * doc/makefile.texi: Likewise.
3095 * doc/options.texi: Likewise.
3096 * doc/passes.texi: Likewise.
3097 * doc/rtl.texi: Likewise.
3098 * doc/sourcebuild.texi: Likewise.
3099 * doc/standards.texi: Likewise.
3100 * doc/tree-ssa.texi: Likewise.
3101 * doc/trouble.texi: Likewise.
3103 * doc/extend.texi: Use @: or add comma where appropriate.
3104 * doc/invoke.texi: Likewise.
3105 * doc/tm.texi: Likewise.
3107 2008-02-14 Alan Modra <amodra@bigpond.net.au>
3110 * config/rs6000/rs6000.md (restore_stack_block): Force operands[1]
3113 2008-02-14 Jesper Nilsson <jesper.nilsson@axis.com>
3115 * doc/md.texi (clz, ctz): Add reference.
3116 * doc/rtl.texi (clz, ctz): Likewise.
3118 2008-02-13 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3121 * Makefile.in (gcc-vers.texi): Use abs_srcdir for the value of
3124 2008-02-13 Andreas Krebbel <krebbel1@de.ibm.com>
3126 * config/s390/s390.c (struct constant_pool): New field
3127 emit_pool_after added.
3128 (s390_mainpool_start): Set the emit_pool_after flag according
3129 to the section switch notes.
3130 (s390_mainpool_finish): Consider emit_pool_after when emitting
3131 the literal pool at the end of the function.
3132 (s390_chunkify_start): Force literal pool splits at section
3135 2008-02-13 Michael Matz <matz@suse.de>
3138 * var-tracking.c (clobber_variable_part): Correctly traverse the
3141 2008-02-13 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3144 * doc/invoke.texi (Debugging Options): Remove -fdump-tree-inlined.
3145 Add -fdump-ipa-inline.
3146 * tree-dump.c (dump_files): Remove tree-inlined dump.
3147 * tree-pass.h (tree_dump_index): Remove TDI_inlined.
3149 2008-02-12 Richard Guenther <rguenther@suse.de>
3151 PR tree-optimization/35171
3152 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Deal with
3155 2008-02-12 Richard Guenther <rguenther@suse.de>
3158 * fold-const.c (fold_widened_comparison): Use get_unwidened in
3159 value-preserving mode. Disallow final truncation.
3161 2008-02-12 Eric Botcazou <ebotcazou@adacore.com>
3164 * gimplify.c (force_gimple_operand_bsi): Move SSA renaming
3165 code from here to...
3166 (force_gimple_operand): ...here.
3168 2008-02-12 Jakub Jelinek <jakub@redhat.com>
3171 * tree-sra.c (sra_build_assignment): fold_convert SRC if copying
3172 non-compatible pointers.
3173 (generate_element_copy): If SRC and DST are RECORD_TYPEs with
3174 different FIELD_DECLs, try harder by comparing field offsets, sizes
3178 * function.c (match_asm_constraints_1): Don't replace the same input
3181 2008-02-12 Anatoly Sokolov <aesok@post.ru>
3183 * config/avr/avr.h (AVR_HAVE_RAMPZ): Define.
3184 * config/avr/avr.c (expand_prologue): Save RAMPZ register.
3185 (expand_epilogue): Restore RAMPZ register.
3186 * config/avr/avr.md (RAMPZ_ADDR): New constant.
3188 2008-02-11 Kai Tietz <kai.tietz@onevision.com>
3190 * config/i386/cygwin.asm: (__alloca): Correct calling
3191 convention and alignment.
3192 (__chkstk): Force 8 byte stack alignment.
3194 2008-02-11 Uros Bizjak <ubizjak@gmail.com>
3195 Richard Guenther <rguenther@suse.de>
3197 PR tree-optimization/33992
3198 * tree-ssa-loop-im.c (rewrite_bittest): Fixup the type of
3199 the zero we compare against.
3201 2008-02-10 Danny Smith <dannysmith@users.sourceforge.net>
3204 * gthr-win32.h (__gthread_mutex_destroy_function): New function
3205 to CloseHandle after unlocking to prevent accumulation of handle
3208 2008-02-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3211 * pa.c (legitimize_pic_address): Add REG_EQUAL note on sets with a
3212 pic_label_operand source. Similarly, add a REG_LABEL_OPERAND note
3213 and update LABEL_NUSES during and after reload.
3215 2008-02-08 Steven Bosscher <stevenb.gcc@gmail.com>
3218 * combine.c (simplify_if_then_else): Make sure the comparison is
3219 against const0_rtx when simplifying to (abs x) or (neg (abs X)).
3221 2008-02-08 Richard Sandiford <rsandifo@nildram.co.uk>
3224 * double-int.h: Don't include gmp.h for GENERATOR_FILEs.
3225 (mpz_set_double_int, mpz_get_double_int): Hide from GENERATOR_FILEs.
3226 * real.h: Don't include gmp.h or mpfr.h for GENERATOR_FILEs.
3227 (real_from_mpfr, mpfr_from_real): Hide from GENERATOR_FILEs.
3228 * tree.h (get_type_static_bounds): Likewise.
3230 2008-02-08 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3232 * doc/invoke.texi (Option Summary, C++ Dialect Options)
3233 (Objective-C and Objective-C++ Dialect Options, Warning Options):
3234 Make -Wfoo language annotations match what the compiler outputs.
3236 2008-02-08 Sa Liu <saliu@de.ibm.com>
3238 * config/spu/spu-builtins.def: Fixed wrong parameter type in spu
3239 intrinsics spu_convts, spu_convtu, spu_convtf.
3240 * testsuite/gcc.target/spu/intrinsics-3.c: New. Test error messages.
3242 2008-02-08 Hans-Peter Nilsson <hp@axis.com>
3244 * doc/extend.texi (Function Attributes) <noinline>: Mention
3245 asm ("") as method to keep calls.
3247 2008-02-07 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3250 * doc/options.texi (Options): Replace references to opts.sh with
3252 * opts-common.c: Likewise.
3253 * optc-gen.awk: Likewise.
3255 2008-02-07 Andreas Krebbel <krebbel1@de.ibm.com>
3257 * config/s390/s390.h (FUNCTION_ARG_REGNO_P): Fix fprs for 64 bit.
3259 2008-02-07 Richard Henderson <rth@redhat.com>
3262 * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use an
3263 EXPR_LIST for the REG_EQUAL instead of a comparison with a
3266 2008-02-07 Uros Bizjak <ubizjak@gmail.com>
3268 PR tree-optimization/35085
3269 * tree-ssa-reassoc.c (rewrite_expr_tree): Enable destructive update
3270 for operand entry oe2 in addition to operand entry oe3 in order to
3271 expose more opportunities for vectorizer sum reduction.
3273 2008-02-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3276 * Makefile.in (LIBS): Remove $(GMPLIBS).
3277 (cc1-dummy, cc1): Add $(GMPLIBS).
3279 2008-02-06 Jan Hubicka <jh@suse.cz>
3282 * i386.md (moddf_integer): Do not produce partial memory stalls for
3283 targets where it hurts.
3285 2008-02-06 Uros Bizjak <ubizjak@gmail.com>
3288 * optabs.c (expand_float): Do not check for decimal modes when
3289 expanding unsigned integer through signed conversion.
3291 2008-02-06 Nick Clifton <nickc@redhat.com>
3293 * config/stormy16/stormy16.md (eqbranchsi): Replace a match_dup
3294 inside the clobber with a match_operand and duplicated operand
3295 number in the constraint.
3296 (ineqbranchsi): Delete redundant comment.
3298 2008-02-06 Ralf Corsepius <ralf.corsepius@rtems.org>
3300 * config/arm/rtems-elf.h (TARGET_OS_CPP_BUILTINS): Add
3301 builtin_define ("__USE_INIT_FINI__").
3302 * config/h8300/t-rtems (MULTILIB_OPTION,MULTILIB_DIRNAMES): Add
3304 * gthr-rtems.h: Remove __GTHREAD_MUTEX_INIT.
3306 2008-02-06 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3308 PR documentation/30330
3309 * doc/invoke.texi (C++ Dialect Options)
3310 (Objective-C and Objective-C++ Dialect Options, Warning Options):
3311 For each warning option -Wfoo that allows -Wno-foo, ensure both
3312 -Wfoo and -Wno-foo are listed in the option index. Fix index
3313 entry of -Wswitch-default, index -Wnormalized= including the
3314 `=', and -Wlarger-than-@var{len} including @var{len}.
3316 2008-02-05 Uros Bizjak <ubizjak@gmail.com>
3318 * config/i386/i386.md (floatunssisf2): Use
3319 ix86_expand_convert_uns_sisf_sse also for TARGET_SSE.
3320 (floatunssi<mode>2): Rename from floatunssisf2 and floatunssidf2.
3321 Macroize expander using MODEF mode iterator.
3323 2008-02-05 Diego Novillo <dnovillo@google.com>
3325 http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00140.html
3328 * tree-vrp.c (vrp_evaluate_conditional): Revert fix for PR 33738.
3330 2008-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3333 * toplev.c (print_version): Honor `indent' for GMP/MPFR warnings.
3335 2008-02-05 H.J. Lu <hongjiu.lu@intel.com>
3338 * config/i386/i386.c (ix86_function_sseregparm): Add an arg
3339 to indicate if a message should be generated.
3340 (init_cumulative_args): Updated.
3341 (function_value_32): Likewise.
3343 2008-02-05 Joseph Myers <joseph@codesourcery.com>
3345 * doc/include/texinfo.tex: Update to version 2008-02-04.16.
3347 2008-02-05 Uros Bizjak <ubizjak@gmail.com>
3350 * config/i386/i386.md (floatunsisf2): Enable for TARGET_SSE_MATH only.
3351 Call ix86_expand_convert_uns_sisf_sse for TARGET_SSE2.
3353 2008-02-04 Diego Novillo <dnovillo@google.com>
3355 http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00110.html
3358 * tree-vrp.c (vrp_evaluate_conditional): With
3359 -Wtype-limits, emit a warning when comparing against a
3360 constant outside the natural range of OP0's type.
3362 2008-02-04 Richard Guenther <rguenther@suse.de>
3365 * expr.c (count_type_elements): Give for unions instead of
3368 2008-02-04 Richard Guenther <rguenther@suse.de>
3371 * gimplify.c (gimplify_init_ctor_eval): Convert array indices
3372 to TYPE_DOMAINs base type instead of using bitsizetype here.
3374 2008-02-03 Jason Merrill <jason@redhat.com>
3376 * print-tree.c (print_node) [CONSTRUCTOR]: Print elements.
3378 2008-02-04 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3381 * doc/invoke.texi (C++ Dialect Options, Optimize Options)
3382 (HPPA Options, i386 and x86-64 Options, IA-64 Options)
3383 (RS/6000 and PowerPC Options): Fix typos and markup.
3384 * doc/passes.texi (Tree-SSA passes): Likewise.
3386 2008-02-02 Michael Matz <matz@suse.de>
3389 * postreload-gcse.c (record_last_reg_set_info_regno): Renamed
3390 from record_last_reg_set_info.
3391 (record_last_reg_set_info): Take an RTX argument, iterate over all
3392 constituent hardregs.
3393 (record_last_set_info, record_opr_changes): Change calls to
3394 new signature or to record_last_reg_set_info_regno.
3396 2008-02-02 Gerald Pfeifer <gerald@pfeifer.com>
3398 * doc/extend.texi (X86 Built-in Functions): Fix grammar.
3400 2008-02-01 Hans-Peter Nilsson <hp@axis.com>
3402 PR rtl-optimization/34773
3403 * reg-notes.def (EQUAL): Mention significance of combination of
3404 REG_EQUAL and REG_RETVAL.
3405 * fwprop.c (try_fwprop_subst): Don't add REG_EQUAL to an
3406 insn that has a REG_RETVAL.
3408 2008-02-01 Roger Sayle <roger@eyesopen.com>
3411 * configure.ac (--enable-fixed-point): Disable unless explicitly
3413 * configure: Regenerate.
3415 2008-02-01 Richard Guenther <rguenther@suse.de>
3418 * invoke.texi (-finline-limit): Remove no longer true parts
3419 of the documentation. Note that there is no default value.
3421 2008-02-01 Andrew Pinski <pinskia@gmail.com>
3422 Mark Mitchell <mark@codesourcery.com>
3423 Ben Elliston <bje@au.ibm.com>
3426 * doc/extend.texi (Other Builtins): Document.
3428 2008-01-31 Tom Browder <tom.browder@gmail.com>
3430 * doc/c-tree.texi (Types): Fix grammar.
3431 (Expression trees): Ditto.
3432 * doc/passes.texi (Tree-SSA passes): Ditto.
3434 * doc/configterms.texi (Configure Terms): Fix typo.
3435 * doc/cpp.texi (Common Predefined Macros): Ditto.
3436 * doc/md.texi (Machine Constraints): Ditto.
3438 * doc/makefile.texi (Makefile): Add comma.
3440 2008-01-31 Tom Browder <tom.browder@gmail.com>
3441 Gerald Pfeifer <gerald@pfeifer.com>
3443 * doc/sourcebuild.texi (Front End): Remove references to CVS
3444 and CVSROOT/modules.
3445 (Texinfo Manuals): Replace reference to CVS by one to SVN.
3446 (Back End): Remove reference to CVS.
3448 2008-01-31 Richard Sandiford <rsandifo@nildram.co.uk>
3451 * config/mips/mips.c (gen_load_const_gp): New function, taking a
3453 (mips16_gp_pseudo_reg): ...here.
3454 * config/mips/mips.md (load_const_gp): Replace with...
3455 (load_const_gp_<mode>): ...this :P-based insn.
3457 2008-01-31 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3459 * doc/invoke.texi (-ansi): Mention explicitly corresponding -std=
3460 options. Minor fixes.
3461 (-std): Move reference to standards closer to where language
3462 standards are first mentioned.
3464 2008-01-31 Richard Sandiford <rsandifo@nildram.co.uk>
3466 PR rtl-optimization/34995
3467 * reload.c (alternative_allows_const_pool_ref): Take an rtx
3468 parameter and return a bool. If the rtx parameter is nonnull,
3469 check that it satisfies an EXTRA_MEMORY_CONSTRAINT.
3470 (find_reloads): Update call accordingly. Pass the new operand
3471 if it needed no address reloads, otherwise pass null.
3473 2008-01-30 Richard Henderson <rth@redhat.com>
3476 * tree.c (build_type_attribute_qual_variant): Skip TYPE_DOMAIN
3477 for unbounded arrays.
3479 2008-01-30 Silvius Rus <rus@google.com>
3481 * config/i386/xmmintrin.h (_mm_prefetch): Add const to first arg.
3483 2008-01-30 Jan Hubicka <jh@suse.cz>
3486 * i386.c (init_cumulative_args): Use real function declaration when
3489 2008-01-30 Richard Sandiford <rsandifo@nildram.co.uk>
3491 PR rtl-optimization/34998
3492 * global.c (build_insn_chain): Treat non-subreg_lowpart
3493 SUBREGs of pseudos as clobbering all the words covered by the
3494 SUBREG, not just all the bytes.
3495 * ra-conflict.c (clear_reg_in_live): Likewise. Take the
3496 original df_ref rather than an extract parameter.
3497 (global_conflicts): Update call accordingly.
3499 2008-01-30 Andreas Krebbel <krebbel1@de.ibm.com>
3501 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): Rearrange
3502 the overflow check to make it easier to read.
3503 (__fixtfdi): Change the type of the ll member in union
3504 long_double to UDItype_x.
3506 2008-01-30 Jakub Jelinek <jakub@redhat.com>
3509 * cgraph.h (cgraph_update_edges_for_call_stmt): New prototype.
3510 * cgraph.c (cgraph_update_edges_for_call_stmt): New function.
3511 * tree-inline.c (fold_marked_statements): Call
3512 cgraph_update_edges_for_call_stmt if folding a call statement.
3513 * cgraphunit.c (verify_cgraph_node): Set cfun to this_cfun for
3514 debug_generic_stmt calls, reset it back afterwards.
3517 * c-decl.c (start_decl): Don't pedwarn about TREE_READONLY
3519 * c-typeck.c (build_external_ref): Don't pedwarn about
3520 static vars in current function's scope.
3522 2008-01-29 Joseph Myers <joseph@codesourcery.com>
3524 * config.gcc (i[34567]86-*-nto-qnx*): Remove deprecation.
3526 2008-01-29 Bernhard Fischer <aldot@gcc.gnu.org>
3529 * ipa-struct-reorg.c: Fix spelling.
3530 * params.def: Ditto.
3532 2008-01-29 Richard Guenther <rguenther@suse.de>
3535 * tree-inline.h (struct copy_body_data): Add remapping_type_depth
3537 * tree-inline.c (remap_type): Increment remapping_type_depth
3538 around remapping types.
3539 (copy_body_r): Only add referenced variables if they are referenced
3540 from code, not types.
3542 2008-01-29 Douglas Gregor <doug.gregor@gmail.com>
3553 * c-pretty-print.c (pp_c_type_qualifier_list): Don't try to print
3554 qualifiers for an ERROR_MARK_NODE or a NULL_TREE.
3556 2008-01-28 Andy Hutchinson <hutchinsonandy@netscape.net>
3559 * config/avr/avr.c (expand_prologue): Use correct QI mode frame
3560 pointer for tiny stack.
3562 2008-01-28 Bernhard Fischer <aldot@gcc.gnu.org>
3564 * doc/tree-ssa.texi: Add cindex PHI nodes and improve wording.
3566 2008-01-28 Bernhard Fischer <aldot@gcc.gnu.org>
3568 * config/vx-common.h: Fix typo in comment.
3570 2008-01-28 Ian Lance Taylor <iant@google.com>
3574 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
3575 coalesce pointers if they have different DECL_NO_TBAA_P values.
3576 * tree-ssa-copy.c (may_propagate_copy): Don't propagate copies
3577 between variables with different DECL_NO_TBAA_P values.
3579 2008-01-28 Nathan Froyd <froydnj@codesourcery.com>
3582 * config/rs6000/rs6000.c (small_data_operand): Vectors and floats
3583 are not legitimate small data references on SPE targets.
3585 2008-01-28 David Daney <ddaney@avtrex.com>
3587 * doc/install.texi (mips-*-*): Recommend binutils 2.18.
3589 2008-01-28 David Daney <ddaney@avtrex.com>
3591 * doc/install.texi (--disable-libgcj-bc): Reword documentation.
3593 2008-01-27 Joseph Myers <joseph@codesourcery.com>
3595 * config.gcc (strongarm*-*, ep9312*-*, xscale*-*, parisc*-*,
3596 m680[012]0-*, *-*-beos*, *-*-kaos*, *-*-linux*aout*,
3597 *-*-linux*libc1*, *-*-solaris2.[0-6], *-*-solaris2.[0-6].*,
3598 *-*-sysv*, *-*-windiss*, alpha*-*-unicosmk*, cris-*-aout,
3599 hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
3600 i[34567]86-sequent-ptx4*, i[34567]86-*-nto-qnx*,
3601 i[34567]86-*-sco3.2v5*, i[34567]86-*-uwin*, powerpc-*-chorusos*,
3602 vax-*-bsd*, vax-*-ultrix*): Mark obsolete.
3604 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
3606 * basic-block.h (condjump_equiv_p): Fix comment.
3608 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
3610 * tree-pretty-print.c (print_generic_decl, print_generic_stmt,
3611 print_generic_stmt_indented): Fix comment.
3613 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
3615 * configure.ac (__stack_chk_fail): Add detecion for availability
3616 of SSP in uClibc by checking if __UCLIBC_HAS_SSP__ is defined.
3617 * configure: Regenerate.
3619 2008-01-26 Maxim Kuvyrkov <maxim@codesourcery.com>
3622 * final.c (output_addr_const): Handle TRUNCATE.
3624 2008-01-26 Zdenek Dvorak <ook@ucw.cz>
3627 * tree-ssa-loop-ivopts.c (comp_cost): New type.
3628 (zero_cost, infinite_cost): New constants.
3629 (struct cost_pair): Change type of cost to comp_cost.
3630 (struct iv_ca): Change type of cand_use_cost and cost to comp_cost.
3631 (new_cost, add_costs, sub_costs, compare_costs, infinite_cost_p):
3633 (set_use_iv_cost, force_expr_to_var_cost, force_var_cost,
3634 split_address_cost, ptr_difference_cost, difference_cost,
3635 get_computation_cost_at, get_computation_cost,
3636 determine_use_iv_cost_generic, determine_use_iv_cost_address,
3637 determine_use_iv_cost_condition, determine_use_iv_costs,
3638 cheaper_cost_pair, iv_ca_recount_cost, iv_ca_set_no_cp,
3639 iv_ca_set_cp, iv_ca_cost, iv_ca_new, iv_ca_dump, iv_ca_extend,
3640 iv_ca_narrow, iv_ca_prune, try_improve_iv_set, find_optimal_iv_set):
3641 Change type of cost to comp_cost.
3642 (determine_iv_cost): Increase cost of non-original ivs, instead
3643 of decreasing the cost of original ones.
3644 (get_address_cost): Indicate the complexity of the addressing mode
3646 (try_add_cand_for): Prefer using ivs not specific to some object.
3647 * tree-flow.h (force_expr_to_var_cost): Declaration removed.
3649 2008-01-26 Peter Bergner <bergner@vnet.ibm.com>
3650 Janis Johnson <janis187@us.ibm.com>
3653 * doc/tm.texi (TARGET_EXPAND_TO_RTL_HOOK): Document.
3654 (TARGET_INSTANTIATE_DECLS): Likewise.
3655 * target.h (expand_to_rtl_hook): New target hook.
3656 (instantiate_decls): Likewise.
3657 * function.c (instantiate_decl): Make non-static. Rename to...
3658 (instantiate_decl_rtl): ... this.
3659 (instantiate_expr): Use instantiate_decl_rtl.
3660 (instantiate_decls_1): Likewise.
3661 (instantiate_decls): Likewise.
3662 (instantiate_virtual_regs: Call new instantiate_decls taget hook.
3663 * function.h (instantiate_decl_rtl): Add prototype.
3664 * cfgexpand.c (target.h): New include.
3665 (tree_expand_cfg): Call new expand_to_rtl_hook target hook.
3666 * target-def.h (TARGET_EXPAND_TO_RTL_HOOK): New define.
3667 (TARGET_INSTANTIATE_DECLS): Likewise.
3668 (TARGET_INITIALIZER): New target hooks added.
3669 * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
3671 * config/rs6000/rs6000.c (tree-flow.h): New include.
3672 (machine_function): Add sdmode_stack_slot field.
3673 (rs6000_alloc_sdmode_stack_slot): New function.
3674 (rs6000_instantiate_decls): Likewise.
3675 (rs6000_secondary_memory_needed_rtx): Likewise.
3676 (rs6000_check_sdmode): Likewise.
3677 (TARGET_EXPAND_TO_RTL_HOOK): Target macro defined.
3678 (TARGET_INSTANTIATE_DECLS): Likewise.
3679 (rs6000_hard_regno_mode_ok): Allow SDmode.
3680 (num_insns_constant): Likewise. Handle _Decimal32 constants.
3681 (rs6000_emit_move): Handle SDmode.
3682 (function_arg_advance): Likewise.
3683 (function_arg): Likewise.
3684 (rs6000_gimplify_va_arg): Likewise. Add special handling of
3685 SDmode var args for 32-bit compiles.
3686 (rs6000_secondary_reload_class): Handle SDmode.
3687 (rs6000_output_function_epilogue): Likewise.
3688 (rs6000_function_value): Simplify if statement.
3689 (rs6000_libcall_value): Likewise.
3690 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Handle SDmode.
3691 (SECONDARY_MEMORY_NEEDED_RTX): Add define.
3692 * config/rs6000/dfp.md (movsd): New define_expand and splitter.
3693 (movsd_hardfloat): New define_insn.
3694 (movsd_softfloat): Likewise.
3695 (movsd_store): Likewise.
3696 (movsd_load): Likewise.
3697 (extendsddd2): Likewise.
3698 (extendsdtd2): Likewise.
3699 (truncddsd2): Likewise.
3700 (movdd_hardfloat64): Fixup comment.
3701 (UNSPEC_MOVSD_LOAD): New constant.
3702 (UNSPEC_MOVSD_STORE): Likewise.
3704 2008-01-26 Jakub Jelinek <jakub@redhat.com>
3707 * c-pretty-print.c (pp_c_exclusive_or_expression): Handle
3709 (pp_c_logical_and_expression): Handle TRUTH_AND_EXPR.
3710 (pp_c_logical_or_expression): Handle TRUTH_OR_EXPR.
3711 (pp_c_expression): Handle TRUTH_AND_EXPR, TRUTH_OR_EXPR
3714 2008-01-26 David Edelsohn <edelsohn@gnu.org>
3717 * config.gcc: Separate AIX 5.3 from AIX 6.1.
3718 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
3719 __LONGDOUBLE128 too.
3720 * config/rs6000/aix61.h: New file.
3722 2008-01-26 Richard Sandiford <rsandifo@nildram.co.uk>
3724 PR rtl-optimization/34959
3725 * optabs.c (expand_unop): In libcall notes, give ffs, clz, ctz,
3726 popcount and parity rtxes the same mode as their operand.
3727 Truncate or extend the result to the return value's mode
3730 2008-01-26 Richard Sandiford <rsandifo@nildram.co.uk>
3733 * config/mips/mips-protos.h (mips_expand_call): Return an rtx.
3734 * config/mips/mips.h (FIRST_PSEUDO_REGISTER): Rename FAKE_CALL_REGNO
3735 to GOT_VERSION_REGNUM.
3736 (CALL_REALLY_USED_REGISTERS): Set the GOT_VERSION_REGNUM entry to 0.
3737 (EPILOGUE_USES): Include GOT_VERSION_REGNUM if TARGET_USE_GOT.
3738 * config/mips/mips.c (mips_emit_call_insn): New function.
3739 (mips_call_tls_get_addr): Call mips_expand_call directly.
3740 (mips16_copy_fpr_return_value): Use mips_emit_call_insn rather than
3742 (mips16_build_call_stub): Likewise. Return the call insn or null.
3743 (mips_expand_call): Update the call to mips16_build_call_stub
3744 accordingly and a remove redundant condition. Assert that MIPS16
3745 stubs do not use lazy binding. Use mips_emit_call_insn and return
3747 (mips_extra_live_on_entry): Include GOT_VERSION_REGNUM if
3749 (mips_hard_regno_mode_ok_p): Allow SImode for GOT_VERSION_REGNUM.
3750 (mips_avoid_hazard): Remove hazard_set handling.
3751 * config/mips/mips.md (UNSPEC_EH_RECEIVER): Rename to...
3752 (UNSPEC_RESTORE_GP): ...this.
3753 (UNSPEC_SET_GOT_VERSION, UNSPEC_UPDATE_GOT_VERSION): New constants.
3754 (FAKE_CALL_REGNO): Rename to...
3755 (GOT_VERSION_REGNUM): ...this.
3756 (type): Add "ghost" value. Add an associated insn reservation.
3757 (hazard_set): Remove.
3758 (exception_receiver): Rename to...
3759 (restore_gp): ...this and update the unspec identifier accordingly.
3760 (exception_receiver, nonlocal_got_receiver): New expanders.
3761 (load_call<mode>): Use GOT_VERSION_REGNUM. Don't set
3762 FAKE_CALL_REGNO. Remove hazard_set attribute.
3763 (set_got_version, update_got_version): New patterns.
3765 2008-01-26 Danny Smith <dannysmith@users.sourceforge.net>
3768 * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Define.
3770 2008-01-25 Joseph Myers <joseph@codesourcery.com>
3773 * doc/install.texi2html: Generate gcc-vers.texi.
3775 2008-01-25 DJ Delorie <dj@redhat.com>
3777 * config/m32c/m32c.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
3779 2008-01-25 Joseph Myers <joseph@codesourcery.com>
3781 * config/c4x: Remove directory.
3782 * config.gcc (crx-*, mt-*): Mark obsolete.
3783 (c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*,
3784 h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*,
3785 sh-*-rtemscoff*): Remove cases.
3786 * defaults.h (C4X_FLOAT_FORMAT): Remove.
3787 * real.c (encode_c4x_single, decode_c4x_single,
3788 encode_c4x_extended, decode_c4x_extended, c4x_single_format,
3789 c4x_extended_format): Remove.
3790 * real.h (c4x_single_format, c4x_extended_format): Remove.
3791 * doc/extend.texi (interrupt, naked): Remove mention of attributes
3793 (Pragmas): Remove comment about c4x pragmas.
3794 * doc/install.texi (c4x): Remove target-specific instructions.
3795 * doc/invoke.texi (TMS320C3x/C4x Options): Remove.
3796 * doc/md.texi (Machine Constraints): Remove C4x documentation.
3797 * doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not
3798 refer to C4x source files as examples.
3799 (C4X_FLOAT_FORMAT): Remove documentation.
3801 2008-01-25 Bernd Schmidt <bernd.schmidt@analog.com>
3803 * config/bfin/bfin.c (override_options): Reorder tests so that
3804 flag_pic gets enabled for -msep-data.
3806 2008-01-25 Richard Guenther <rguenther@suse.de>
3809 * expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
3810 to its bitfield precision if required.
3812 2008-01-25 Jakub Jelinek <jakub@redhat.com>
3815 * tree-nested.c (walk_omp_for): New function.
3816 (convert_nonlocal_reference, convert_local_reference): Call
3817 walk_omp_for on OMP_FOR.
3818 (convert_call_expr): Call walk_body on OMP_FOR's
3819 OMP_FOR_PRE_INIT_BODY.
3821 2008-01-25 Richard Guenther <rguenther@suse.de>
3823 PR tree-optimization/34966
3824 * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
3825 default defs and PHI_NODEs we have to insert after the
3828 2008-01-24 Nick Clifton <nickc@redhat.com>
3830 * config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
3831 Provide a default definition.
3832 (LIBGCC2_UNITS_PER_WORD): Likewise.
3834 * config/stormy16/stormy16.c: Include df.h for the prototype
3835 for df_regs_ever_live_p.
3836 (xstormy16_expand_builtin_va_start): Convert the stack offset
3837 into a component_ref and then use POINTER_PLUS_EXPR to add it
3838 to the incoming_virtual_args_rtx.
3839 (xstormy16_gimplify_va_arg_expr): Rename to
3840 xstormy16_gimplify_va_arg_expr.
3841 Use POINTER_PLUS_EXPR when performing pointer arithmetic.
3842 (TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
3843 xstormy16_gimplify_va_arg_expr.
3844 Fix up some formatting issues.
3846 * config/stormy16/stormy16.c: (xstormy16_carry_plus_operand):
3847 Move to predicates.md.
3848 (xs_hi_general_operand): Likewise.
3849 (xs_hi_nonmemory_operand): Likewise.
3850 * config/stormy16/predicates.md:
3851 (xstormy16_carry_plus_operand): New predicate.
3852 (xs_hi_general_operand): New predicate.
3853 (xs_hi_nonmemory_operand): New predicate.
3854 * config/stormy16/stormy16-protos.h:
3855 (xstormy16_carry_plus_operand): Delete prototype.
3856 (xs_hi_general_operand): Likewise.
3857 (xs_hi_nonmemory_operand): Likewise.
3859 * config/storm16/stormy16.md (addhi3): Remove earlyclobber
3860 modifiers as they are no longer needed and they can trigger
3861 reload spill failures.
3863 * config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
3864 with a match_operand in order to help reload.
3866 * config/storm16/stormy16.md (movhi_internal): Replace 'r'
3867 constraint with 'e' for the 8th alternative as this version of
3868 the mov.w instruction only accepts the lower 8 registers.
3870 2008-01-25 Uros Bizjak <ubizjak@gmail.com>
3873 * simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
3874 Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
3877 2008-01-25 Jakub Jelinek <jakub@redhat.com>
3880 * gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.
3882 2008-01-25 Golovanevsky Olga <olga@il.ibm.com>
3884 * ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
3886 (remove_structure): Update allocations list before removing structure.
3888 2008-01-25 Golovanevsky Olga <olga@il.ibm.com>
3890 * ipa-struct-reorg.c (is_safe_cond_expr,
3891 create_new_stmts_for_cond_expr): Use integer_zerop function,
3892 that recognize not only zero-pointer, but zero-integer too.
3894 2008-01-25 Ben Elliston <bje@au.ibm.com>
3897 * fixproto: Escape "." in sed expression that strips leading "./".
3899 2008-01-24 H.J. Lu <hongjiu.lu@intel.com>
3902 * gcc.c (SWITCH_OK): Removed.
3903 (SWITCH_LIVE): Changed to bit.
3904 (SWITCH_FALSE): Likewise.
3905 (SWITCH_IGNORE): Likewise.
3906 (switchstr): Change live_cond to unsigned int.
3907 (process_command): Replace SWITCH_OK with 0.
3908 (do_self_spec): Likewise.
3909 (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
3910 (give_switch): Likewise.
3911 (used_arg): Likewise.
3912 (do_spec_1): Set the SWITCH_IGNORE bit.
3913 (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
3914 bits. Set the SWITCH_LIVE bit.
3916 2008-01-24 Andreas Krebbel <krebbel1@de.ibm.com>
3918 * config/s390/s390.h (MOVE_RATIO): Define new target macro.
3920 2008-01-24 Richard Sandiford <rsandifo@nildram.co.uk>
3922 PR tree-optimization/34472
3923 * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
3924 parameter to a "bool *" and set *DATA to false if there is
3925 an unsafe access. Do not delete the structure here.
3926 (check_cond_exprs): Delete it here instead.
3927 (check_cond_exprs, exclude_cold_structs): Do not increase
3928 I when removing a structure.
3930 2008-01-24 Uros Bizjak <ubizjak@gmail.com>
3933 * config/i386/i386.c (ix86_expand_vector_init): Consider only
3934 CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.
3936 2008-01-24 Jakub Jakub Jelinek <jakub@redhat.com>
3939 * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
3940 a fixed vector for stack.
3942 2008-01-24 Ben Elliston <bje@au.ibm.com>
3945 * doc/gcc.texi (Software development): Add a direntry for g++.
3947 2008-01-23 Hans-Peter Nilsson <hp@axis.com>
3949 * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
3950 stale and straggling -fforce-addr comments above.
3952 * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
3954 * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
3955 * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
3957 2008-01-23 Michael Matz <matz@suse.de>
3960 * dwarf2out.c (force_type_die): Use modified_type_die instead of
3963 2008-01-23 Andreas Krebbel <krebbel1@de.ibm.com>
3965 * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
3968 2008-01-23 Anatoly Sokolov <aesok@post.ru>
3970 * config/avr/avr.c (avr_current_arch): New variable.
3971 (avr_arch_types): Add 'avr31' and 'avr51' entries.
3972 (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
3973 (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
3974 (avr_override_options): Init 'avr_current_arch'.
3975 (base_arch_s): Move from here...
3976 * config/avr/avr.h (base_arch_s): ... here. Add new members
3977 'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename
3978 'mega' to 'have_jmp_call'.
3979 (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__",
3980 "__AVR_HAVE_RAMPZ__", "__AVR_HAVE_ELPM__" and "__AVR_HAVE_ELPMX__"
3982 (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51'
3984 * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
3985 MULTILIB_MATCHES): (Ditto.).
3987 2008-01-23 Richard Guenther <rguenther@suse.de>
3990 * cgraphunit.c (cgraph_reset_node): Always mark the node
3991 not reachable if it is not queued already.
3993 2008-01-23 Bernd Schmidt <bernd.schmidt@analog.com>
3995 * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
3996 * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
3997 (cputype_selected): New static variable.
3998 (bfin_handle_option): Set it if -mcpu is used.
3999 (override_option): Select default set of workarounds if no cpu type
4000 selected on the command line.
4001 (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
4003 From Michael Frysinger <michael.frysinger@analog.com>
4004 * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
4005 BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
4007 * config/bfin/elf.h (LIB_SPEC): Use proper linker script
4008 for bf547, bf523, bf524, and bf526.
4009 * config/bfin/bfin.c (bfin_cpus[]): Add bf547, bf523, bf524, and
4011 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
4012 __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
4013 __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
4014 __ADSPBF547__ and __ADSPBF54x__ for bf547.
4015 * doc/invoke.texi (Blackfin Options): Document that
4016 -mcpu now accept bf547, bf523, bf524, and bf526.
4018 2008-01-22 Eric Botcazou <ebotcazou@adacore.com>
4020 PR rtl-optimization/34628
4021 * combine.c (try_combine): Stop and undo after the first combination
4022 if an autoincrement side-effect on the first insn has effectively
4025 2008-01-22 David Edelsohn <edelsohn@gnu.org>
4028 * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
4029 Offset addresses are not valid for Altivec or paired float modes.
4031 2008-01-22 Jakub Jelinek <jakub@redhat.com>
4034 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
4035 if DECL_INITIAL (decl) is error_mark_node.
4038 * c-common.c (handle_vector_size_attribute): Only allow
4039 integral, scalar float and fixed point types. Handle OFFSET_TYPE
4040 the same way as pointer, array etc. types.
4041 * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
4044 * tree.c (build_type_attribute_qual_variant): Call
4045 build_qualified_type if attributes are equal, but quals are not.
4047 2008-01-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4050 * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
4051 * flags.h (warn_strict_aliasing): Remove.
4052 (warn_strict_overflow): Remove.
4053 * opts.c (warn_strict_aliasing): Remove.
4054 (warn_strict_overflow): Remove.
4055 * c-opts.c (c_common_handle_option): -Wall only sets
4056 -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
4057 (c_common_post_options): Give default values to -Wstrict-aliasing
4058 and -Wstrict-overflow if they are uninitialized.
4059 * common.opt (Wstrict-aliasing): Specify Var and Init.
4060 (Wstrict-overflow): Likewise.
4062 2008-01-22 Kenneth Zadeck <zadeck@naturalbridge.com>
4064 PR rtl-optimization/26854
4065 PR rtl-optimization/34400
4066 PR rtl-optimization/34884
4067 * ddg.c (create_ddg_dep_from_intra_loop_link): Use
4069 * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
4070 (df_rd_bb_info.expanded_lr_out): Deleted
4071 * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
4072 * loop_iv.c (iv_analysis_loop_init): Ditto. * df-problems.c
4073 (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
4074 df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
4075 Removed code to allocate, initialize or free expanded_lr_out.
4076 (df_rd_bb_local_compute_process_def): Restructured to make more
4078 (df_rd_confluence_n): Removed code to no apply invalidate_by_call
4079 sets if the sets are being trimmed.
4081 2008-01-22 H.J. Lu <hongjiu.lu@intel.com>
4084 * configure.ac (ld_vers): Support GNU linker version xx.xx.*
4085 (as_vers): Likewise.
4086 * configure: Regenerated.
4088 2008-01-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4091 * tree-pass.h (pass_build_alias): New pass.
4092 * tree-ssa-alias.c (gate_build_alias): New.
4093 (pass_build_alias): New.
4094 * passes.c (init_optimization_passes): Add pass_build_alias after
4095 pass_create_structure_vars.
4097 2008-01-22 Wolfgang Gellerich <gellerich@de.ibm.com>
4099 * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
4100 Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
4101 (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
4102 S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
4103 (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
4104 S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
4105 (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
4106 S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
4107 (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
4108 (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
4109 (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
4110 (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
4111 * config/s390/s390.md (FP_ALL): New mode iterator.
4112 (_d): New mode attribute.
4113 ("*signbit<mode>2>"): Changed mode of first operand.
4114 ("isinf<mode>2"): Changed mode of first operand.
4115 ("*TDC_insn"): Adaptation for DFP modes.
4117 2008-01-22 Ben Elliston <bje@au.ibm.com>
4119 * tree.c (check_qualified_type): Improve function description.
4121 2008-01-21 Jason Merrill <jason@redhat.com>
4124 * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
4125 * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
4128 2008-01-21 DJ Delorie <dj@redhat.com>
4130 * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
4133 2008-01-21 Richard Guenther <rguenther@suse.de>
4136 * tree-cfg.c (verify_expr): Allow all invariant expressions
4137 instead of just constant class ones as reference argument.
4138 * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
4139 like any other constant.
4140 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
4142 2008-01-21 H.J. Lu <hongjiu.lu@intel.com>
4144 * regmove.c (fixup_match_1): Update call crossed frequencies.
4146 2008-01-21 Richard Guenther <rguenther@suse.de>
4149 * tree-inline.c (setup_one_parameter): Deal with mismatched
4150 types using a VIEW_CONVERT_EXPR.
4152 2008-01-21 Alon Dayan <alond@il.ibm.com>
4153 Olga Golovanevsky <olga@il.ibm.com>
4155 PR tree-optimization/34701
4156 * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
4157 when the structure size is not a power of 2.
4159 2008-01-20 Kenneth Zadeck <zadeck@naturalbridge.com>
4161 * doc/install.texi: Add doc for --enable-checking=df.
4163 2008-01-20 Kaz Kojima <kkojima@gcc.gnu.org>
4165 PR rtl-optimization/34808
4166 * emit-rtl.c (try_split): Handle REG_RETVAL notes.
4168 2008-01-20 Richard Sandiford <rsandifo@nildram.co.uk>
4170 * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
4173 2008-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
4175 PR rtl-optimization/26854
4176 PR rtl-optimization/34400
4177 * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
4179 * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
4180 (df_rd_bb_info.expanded_lr_out): New.
4181 * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
4182 * loop_iv.c (iv_analysis_loop_init): Ditto.
4183 * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
4184 df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
4185 Added code to allocate, initialize or free expanded_lr_out.
4186 (df_rd_bb_local_compute_process_def): Restructured to make
4187 more understandable.
4188 (df_rd_confluence_n): Add code to do nothing with fake edges and
4189 code to no apply invalidate_by_call sets if the sets are being trimmed.
4190 (df_lr_local_finalize): Renamed to df_lr_finalize.
4191 (df_live_local_finalize): Renamed to df_live_finalize.
4193 2008-01-20 Richard Sandiford <rsandifo@nildram.co.uk>
4196 * config/mips/mips.md (div<mode>3): Use <recip_condition> when
4197 deciding whether to use reciprocal instructions.
4199 2008-01-19 Uros Bizjak <ubizjak@gmail.com>
4201 * dwarf2out.c (dwarf2out_switch_text_section): Do not call
4202 dwarf2out_note_section_used if cold_text_section is NULL.
4204 2008-01-19 Jakub Jelinek <jakub@redhat.com>
4206 PR gcov-profile/34610
4207 * tree-cfg.c (make_edges): Mark both outgoing edges from
4208 OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
4209 * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
4210 from OMP_FOR and OMP_CONTINUE outgoing edges.
4212 * tree-profile.c (tree_profiling): Return early if
4213 cfun->after_tree_profile != 0. Set cfun->after_tree_profile
4215 * omp-low.c (expand_omp_parallel): Copy after_tree_profile
4216 from cfun to child_cfun.
4217 * function.h (struct function): Add after_tree_profile bit.
4219 2008-01-19 Anatoly Sokolov <aesok@post.ru>
4221 * config/avr/avr.S (_exit): Disable interrupt.
4223 2008-01-18 Kenneth Zadeck <zadeck@naturalbridge.com>
4224 Steven Bosscher <stevenb.gcc@gmail.com>
4226 PR rtl-optimization/26854
4227 PR rtl-optimization/34400
4228 * df-problems.c (df_live_scratch): New scratch bitmap.
4229 (df_live_alloc): Allocate df_live_scratch when doing df_live.
4230 (df_live_reset): Clear the proper bitmaps.
4231 (df_live_bb_local_compute): Only process the artificial defs once
4232 since the order is not important.
4233 (df_live_init): Init the df_live sets only with the variables
4234 found live by df_lr.
4235 (df_live_transfer_function): Use the df_lr sets to prune the
4236 df_live sets as they are being computed.
4237 (df_live_free): Free df_live_scratch.
4239 2008-01-18 Ian Lance Taylor <iant@google.com>
4241 * common.opt: Add fmerge-debug-strings.
4242 * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
4243 flag_merge_debug_strings rather than flag_merge_constants.
4244 * doc/invoke.texi (Option Summary): Mention
4245 -fmerge-debug-strings.
4246 (Debugging Options): Document -fmerge-debug-strings.
4248 2008-01-18 Ian Lance Taylor <iant@google.com>
4251 * tree.h (DECL_IS_OPERATOR_NEW): Define.
4252 (struct tree_function_decl): Add new field operator_new_flag.
4253 * tree-inline.c (expand_call_inline): When inlining a call to
4254 operator new, force the return value to go into a variable, and
4255 set DECL_NO_TBAA_P on that variable.
4256 * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
4258 2008-01-18 Uros Bizjak <ubizjak@gmail.com>
4261 * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
4262 DWARF2_DEBUGGING_INFO.
4263 (dwarf2out_note_section_used): Ditto. Add prototype.
4264 (have_multiple_function_sections, text_section_used,
4265 cold_text_section_used, *cold_text_sections): Move declarations
4268 2008-01-17 Bob Wilson <bob.wilson@acm.org>
4270 * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
4271 field and add signal_ra.
4272 * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
4273 assignments to frame state pc. Move end of stack check after
4274 MD_FALLBACK_FRAME_STATE_FOR.
4275 (uw_update_context_1): Use frame state signal_regs if set, instead
4276 of checking signal_frame flag.
4277 (uw_update_context): Use frame state signal_ra if set.
4278 * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
4279 * config/xtensa/linux-unwind.h: New file.
4281 2008-01-18 Bernhard Fischer <aldot@gcc.gnu.org>
4283 * modulo-sched.c (get_sched_window): Fix comment typo.
4285 2008-01-17 Andrew MacLeod <amacleod@redhat.com>
4287 PR tree-optimization/34648
4288 * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
4290 2008-01-17 Anatoly Sokolov <aesok@post.ru>
4292 * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
4293 * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
4295 2008-01-17 Seongbae Park <seongbae.park@gmail.com>
4297 PR rtl-optimization/34400
4298 * df-core.c (df_worklist_dataflow_overeager,
4299 df_worklist_dataflow_doublequeue): New functions.
4300 (df_worklist_dataflow): Two different worklist solvers.
4301 * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
4304 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
4307 * doc/invoke.texi: Document the dependence on pthread for fopenmp
4308 and ftree-parallelize-loops.
4310 2008-01-17 Mircea Namolaru <namolaru@il.ibm.com>
4312 PR rtl-optimization/34826
4313 * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
4315 2008-01-17 Andreas Krebbel <krebbel1@de.ibm.com>
4317 * global.c (find_reg): Mark the eh regs as used if necessary.
4318 * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
4319 * ra.h (struct allocno): no_eh_reg field added. Changed
4320 no_stack_reg type to bitfield.
4322 2008-01-17 Eric Botcazou <ebotcazou@adacore.com>
4324 * tree.c (substitute_in_expr): Add missing 'break'.
4326 2008-01-17 Richard Guenther <rguenther@suse.de>
4328 PR tree-optimization/34825
4329 * tree-ssa-math-opts.c (is_division_by): Do not recognize
4330 x / x as division to handle.
4332 2008-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4334 * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
4335 "-pthread" is specified.
4336 * pa-hpux11.h (LIB_SPEC): Likewise.
4338 2008-01-16 Janis Johnson <janis187@us.ibm.com>
4339 Peter Bergner <bergner@vnet.ibm.com>
4341 PR rtl-optimization/33796
4342 * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
4344 2008-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4346 PR libgfortran/34699
4347 * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
4349 * pa-hpux10.h (LINK_SPEC): Likewise.
4350 * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
4352 2008-01-16 Richard Guenther <rguenther@suse.de>
4355 * fold-const.c (fold_convert_const_int_from_int): Do not
4356 set overflow if that occured only because of a sign extension
4357 change when converting from/to a sizetype with the same
4358 precision and signedness.
4360 2008-01-16 Uros Bizjak <ubizjak@gmail.com>
4363 * dwarf2out.c (output_call_frame_info): Move output of FDE initial
4364 location address to the correct place. Update copyright year.
4366 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
4368 * lambda-code.c (lambda_transform_legal_p): Handle the case of
4369 no dependences in the dependence_relations vector.
4371 2008-01-16 Jan Hubicka <jh@suse.cz>
4373 PR rtl-optimization/31396
4374 * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
4375 * cfg.c (dump_reg_info): Print it.
4376 * regs.h (struct reg_info_t): add freq_calls_crossed.
4377 (REG_FREQ_CALLS_CROSSED): New macro.
4378 * global.c (global_alloc): Compute freq_calls_crossed for allocno.
4379 (find_reg): Update call of CALLER_SAVE_PROFITABLE.
4380 * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
4381 regmove_optimize): Update call crossed frequencies.
4382 * local-alloc.c (struct qty): Add freq_calls_crossed.
4383 (alloc_qty): Copute freq_calls_crossed.
4384 (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
4385 (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
4386 * ra.h (struct allocno): Add freq_calls_crossed.
4388 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
4390 * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
4391 libgomp when compiling with ftree-parallelize-loops.
4392 (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
4394 2008-01-16 Richard Guenther <rguenther@suse.de>
4396 PR tree-optimization/34769
4397 * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
4398 * tree.c (int_cst_value): Instead make this function more
4399 permissive in what it accepts as valid input. Document this
4400 function always sign-extends the value.
4402 2008-01-16 Jakub Jelinek <jakub@redhat.com>
4403 Richard Guenther <rguenther@suse.de>
4406 * gimplify.c (fold_indirect_ref_rhs): Rename to ...
4407 (gimple_fold_indirect_ref_rhs): ... this.
4408 (gimple_fold_indirect_ref): New function with foldings
4409 that preserve lvalueness.
4410 (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
4411 * tree-flow.h (gimple_fold_indirect_ref): Declare.
4412 * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
4413 to fold an INDIRECT_REF, fall back to the old use of
4414 fold_indirect_ref_1.
4416 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
4418 * tree-data-ref.c (subscript_dependence_tester_1): Call
4419 free_conflict_function.
4420 (compute_self_dependence): Same.
4422 2008-01-16 Uros Bizjak <ubizjak@gmail.com>
4425 * debug.h (dwarf2out_switch_text_section): Move declaration from ...
4426 * dwarf2out.c (dwarf2out_switch_text_section): ... here. Make
4428 * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
4429 Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
4430 for DWARF2_UNWIND_INFO targets.
4432 2008-01-16 Richard Guenther <rguenther@suse.de>
4435 * c-typeck.c (common_pointer_type): Do not merge inconsistent
4436 type qualifiers for function types.
4438 2008-01-15 Jerry DeLisle <jvdelisle@gcc.gnu.org>
4440 * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
4441 loop_iterator li from previous commit.
4443 2008-01-15 Sebastian Pop <sebastian.pop@amd.com>
4445 * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
4447 2008-01-12 Sebastian Pop <sebastian.pop@amd.com>
4449 * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
4450 (parallelize_loops): Don't parallelize irreducible components.
4452 2008-01-14 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4455 * c-opts (c_common_post_options): Do not enable CPP
4456 flag_pedantic_errors by default.
4458 2008-01-14 Eric Botcazou <ebotcazou@adacore.com>
4460 PR rtl-optimization/31944
4461 * cse.c (remove_pseudo_from_table): New function.
4462 (merge_equiv_classes): Use above function to remove pseudo-registers.
4463 (invalidate): Likewise.
4465 2008-01-13 Richard Guenther <rguenther@suse.de>
4468 * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
4469 instead of TYPE_MODE to deal with calls from expand_one_error_var.
4471 2008-01-13 Uros Bizjak <ubizjak@gmail.com>
4473 * gcse.c (cprop_jump): Call validate_unshare_change instead of
4474 validate_change to unshare the source of the PC set.
4476 2008-01-12 Jan Hubicka <jh@suse.cz>
4479 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
4480 references above array bounds. This might trigger bounds checks for
4483 2008-01-12 Sebastian Pop <sebastian.pop@amd.com>
4485 * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
4486 new_replaceable_dependencies.
4488 2008-01-12 Doug Kwan <dougkwan@google.com>
4490 * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
4491 instead of OPT_Wreturn_type in warning due to ignored return type
4493 * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
4494 options included in -Wextra.
4495 * c.opt: New option -Wignored_qualifiers.
4496 * doc/invoke.texi (Warning Options, -Wextra): Add new option
4497 -Wignore_qualifiers.
4498 (-Wignored-qualifiers): Document.
4499 (-Wreturn-type): Remove description of functionality now handled
4500 by -Wignored-qualifiers.
4502 2008-01-12 Eric Botcazou <ebotcazou@adacore.com>
4505 * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
4506 NOP_EXPR if it is between integral types with the same precision.
4508 2008-01-12 Jan Hubicka <jh@suse.cz>
4511 * invoke.texi (max-inline-recursive-depth): Fix default value.
4513 2008-01-12 Zdenek Dvorak <ook@ucw.cz>
4515 * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
4518 2008-01-11 Bob Wilson <bob.wilson@acm.org>
4520 * config/xtensa/xtensa.c (override_options): Set flag_shlib.
4522 2008-01-11 James E. Wilson <wilson@specifix.com>
4525 * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
4527 2008-01-11 Anatoly Sokolov <aesok@post.ru>
4529 * config/avr/avr.c (expand_prologue, expand_epilogue): Don't
4530 save/restore frame pointer register and don't use 'call-prologues'
4531 optimization in function with "OS_task" attribute.
4533 2008-01-11 Eric Botcazou <ebotcazou@adacore.com>
4536 * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
4537 when copying to memory.
4539 2008-01-11 Steven Bosscher <stevenb.gcc@gmail.com>
4541 PR rtl-optimization/30905
4542 * cfgcleanup.c: Include dce.h
4543 (crossjumps_occured): New global variable.
4544 (try_crossjump_bb): Exit loop after finding a fallthru edge.
4545 If something changed, set crossjumps_occured to true.
4546 (try_optimize_cfg): Clear crossjumps_occured at the beginning.
4547 Don't add/remove fake edges to exit here...
4548 (cleanup_cfg): ...but do it here, when crossjumping.
4549 Run a fast DCE when successful crossjumps occured in the latest
4550 iteration of try_optimize_cfg.
4552 2008-01-11 Richard Guenther <rguenther@suse.de>
4554 * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
4555 (struct vn_unary_op_s): Likewise.
4556 (vn_reference_insert): Free old reference on hash collision.
4558 2008-01-10 Raksit Ashok <raksit@google.com>
4560 PR rtl-optimization/27971
4561 * combine.c (find_split_point): Split PLUS expressions which are
4562 inside a MEM rtx, and whose first operand is complex.
4564 2008-01-10 DJ Delorie <dj@redhat.com>
4566 * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
4567 (m32c_hard_regno_nregs): ...this, which is now a wrapper.
4568 (m32c_hard_regno_ok): Call the underlying function.
4570 2008-01-10 Richard Guenther <rguenther@suse.de>
4573 * tree-cfg.c (tree_merge_blocks): Do not go through the
4574 full-blown folding and stmt updating path if we just deal
4575 with virtual operands.
4576 * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
4577 test for abnormal SSA_NAMEs.
4579 2008-01-10 Andreas Krebbel <krebbel1@de.ibm.com>
4582 * reload.c (push_reload): Add assertions. All constants from
4583 reg_equiv_constant should have been used for replacing the respective
4585 (find_reloads_address): Invoke find_reloads_address_part for
4586 constant taken from the reg_equiv_constant array.
4588 2008-01-10 Steven Bosscher <stevenb.gcc@gmail.com>
4590 * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
4591 field (valnum) the first in the struct. Replace bools with
4594 2008-01-10 Richard Guenther <rguenther@suse.de>
4596 PR tree-optimization/34651
4597 * tree-sra.c (sra_build_assignment): Sanitize. Use the correct
4598 types and ordering for masking and converting.
4600 2008-01-09 Sebastian Pop <sebastian.pop@amd.com>
4602 PR tree-optimization/34017
4603 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
4604 also for PHI_NODE expressions.
4606 2008-01-09 Jan Hubicka <jh@suse.cz>
4608 PR tree-optimization/34708
4609 * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
4610 based on number of case labels.
4611 (init_inline_once): Remove switch_cost.
4612 * tree-inline.h (eni_weights_d): Remove switch_cost.
4614 2008-01-09 Richard Guenther <rguenther@suse.de>
4615 Andrew Pinski <andrew_pinski@playstation.sony.com>
4618 * gimplify.c (gimplify_cond_expr): Do not create an addressable
4619 temporary if an rvalue is ok or an lvalue is not required.
4621 2008-01-09 Richard Guenther <rguenther@suse.de>
4624 * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
4627 2008-01-09 Richard Guenther <rguenther@suse.de>
4630 * tree.c (host_integerp): Check for sizetype only if the
4631 type is an integer type.
4633 2008-01-09 Steven Bosscher <stevenb.gcc@gmail.com>
4636 * opts.c (decode_options): Disable inlining of functions called
4637 once if not in unit-at-a-time mode.
4639 2008-01-09 Alexandre Oliva <aoliva@redhat.com>
4641 * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
4643 2008-01-08 Richard Guenther <rguenther@suse.de>
4646 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
4647 out early if the result will be unused.
4649 2008-01-08 Uros Bizjak <ubizjak@gmail.com>
4654 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
4655 * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
4658 2008-01-08 Jan Sjodin <jan.sjodin@amd.com>
4660 * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
4661 for vectorization tuned.
4663 2008-01-08 Richard Guenther <rguenther@suse.de>
4665 PR tree-optimization/34683
4666 * tree-ssa-operands.c (operand_build_cmp): Export.
4667 * tree-ssa-operands.h (operand_build_cmp): Declare.
4668 * tree-vn.c (vuses_compare): Remove.
4669 (sort_vuses): Use operand_build_cmp.
4670 (sort_vuses_heap): Likewise.
4671 * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
4672 to re-use old VEC if available. Do not sort already sorted VUSEs.
4673 (vdefs_to_vec): Do not sort already sorted VDEFs.
4675 2008-01-08 Jakub Jelinek <jakub@redhat.com>
4678 * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
4680 2008-01-08 Uros Bizjak <ubizjak@gmail.com>
4683 * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
4684 limitations of reciprocal sequences on x86 targets.
4686 2008-01-08 Richard Guenther <rguenther@suse.de>
4688 PR tree-optimization/34683
4689 * tree-flow-inline.h (var_ann): Remove overzealous asserts.
4691 2008-01-07 Jakub Jelinek <jakub@redhat.com>
4694 * config/darwin.c (darwin_mergeable_string_section): Don't use
4695 .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
4697 2008-01-07 Uros Bizjak <ubizjak@gmail.com>
4700 * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
4701 negxf2. Macroize expander using X87MODEF mode iterator. Change
4702 predicates of op0 and op1 to register_operand.
4703 (abs<mode>2): Rename from abssf2, absdf2 and negxf2. Macroize
4704 expander using X87MODEF mode iterator. Change predicates of
4705 op0 and op1 to register_operand.
4706 ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
4707 corresponding patterns and macroize using MODEF macro. Change
4708 predicates of op0 and op1 to register_operand and remove
4709 "m" constraint. Disparage "r" alternative with "!".
4710 ("*absneg<mode>2_i387"): Rename from corresponding patterns and
4711 macroize using X87MODEF macro. Change predicates of op0 and op1
4712 to register_operand and remove "m" constraint. Disparage "r"
4713 alternative with "!".
4714 (absneg splitter with memory operands): Remove.
4715 ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
4716 patterns and macroize using X87MODEF mode iterator.
4717 * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
4718 Change predicate of op1 to register_operand.
4719 * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
4720 for memory operands.
4722 2008-01-07 Nathan Froyd <froydnj@codesourcery.com>
4724 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
4726 2008-01-07 Richard Guenther <rguenther@suse.de>
4728 * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
4731 2008-01-07 Richard Guenther <rguenther@suse.de>
4733 PR tree-optimization/34683
4734 * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
4735 VOPs of the needed size to save memory. Use VEC_quick_push
4736 to save compile-time.
4737 (vdefs_to_vec): Likewise.
4739 2008-01-07 Sa Liu <saliu@de.ibm.com>
4741 * config/spu/spu.md (divdf3): Genetate inline code for double
4742 division. The implementation doesn't handle INF or NAN, therefore it
4743 only applies when -ffinite-math-only is given.
4745 2008-01-06 Paolo Carlini <pcarlini@suse.de>
4748 * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
4749 * doc/cpp.texi ([Common Predefined Macros]): Document.
4751 2008-01-06 Uros Bizjak <ubizjak@gmail.com>
4753 * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
4754 order to use commutative addition instead of subtraction.
4756 2008-01-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
4757 Mircea Namolaru <namolaru@il.ibm.com>
4758 Vladimir Yanovsky <yanov@il.ibm.com>
4759 Revital Eres <eres@il.ibm.com>
4761 PR tree-optimization/34263
4762 * tree-outof-ssa.c (process_single_block_loop_latch,
4763 contains_tree_r): New functions.
4764 (analyze_edges_for_bb): Call process_single_block_loop_latch
4765 function to empty single-basic-block latch block if possible.
4767 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
4769 * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
4771 (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
4773 2008-01-05 Richard Sandiford <rsandifo@nildram.co.uk>
4775 * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
4777 2008-01-05 Richard Sandiford <rsandifo@nildram.co.uk>
4779 * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
4781 2008-01-05 Jakub Jelinek <jakub@redhat.com>
4783 PR tree-optimization/34618
4784 * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
4787 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
4790 * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
4791 in the call to gen_rtx_NE. Remove unneeded VECTOR_MODE_P check.
4792 Update copyright year.
4794 * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
4795 Update copyright year.
4796 * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
4799 2008-01-05 Zhouyi Zhou <zhouzhouyi@FreeBSD.org>
4801 * tree-vrp.c (find_conditional_asserts): Remove redundant check that
4802 edge does not point to current bb before changing need_assert.
4804 2008-01-04 Richard Guenther <rguenther@suse.de>
4807 * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
4808 for verifying purposes if they are is_gimple_min_invariant.
4810 2008-01-04 Aldy Hernandez <aldyh@redhat.com>
4812 PR tree-optimization/34448
4813 PR tree-optimization/34465
4814 * gimplify.c (gimplify_init_constructor): Add new parameter
4815 notify_temp_creation. Use it.
4816 (gimplify_modify_expr_rhs): Take volatiles into account when
4817 optimizing constructors.
4818 Do not optimize constructors if gimplify_init_constructor will dump to
4820 * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
4821 * gcc.c-torture/compile/pr34448.c: New.
4823 2008-01-04 Jakub Jelinek <jakub@redhat.com>
4825 PR gcov-profile/34609
4826 * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
4827 return_slot if result is TREE_ADDRESSABLE.
4829 2008-01-04 Richard Sandiford <rsandifo@nildram.co.uk>
4831 * config/mips/mips.md (sqrt_condition): Tweak comment.
4832 (recip_condition): Likewise. Require TARGET_FLOAT64 for DFmode.
4834 2008-01-03 Tom Tromey <tromey@redhat.com>
4837 * c-common.c (c_type_hash): Handle VLAs.
4839 2008-01-03 Jan Hubicka <jh@suse.cz>
4841 PR tree-optimization/31081
4842 * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
4843 0 when inlining and not inlining to first basic block.
4844 (remap_decl): When var is initialized to 0, don't set default_def.
4845 (expand_call_inline): Set entry_bb.
4846 * tree-inline.h (copy_body_data): Add entry_bb.
4848 2008-01-03 Jakub Jelinek <jakub@redhat.com>
4851 * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
4854 PR tree-optimization/29484
4855 * tree-inline.c (inline_forbidden_p_2): New function.
4856 (inline_forbidden_p): Disallow inlining if some static var
4857 has an address of a local LABEL_DECL in its initializer.
4858 * doc/extend.texi (Labels as Values): Document &&foo behaviour
4861 2008-01-03 Sebastian Pop <sebastian.pop@amd.com>
4863 PR tree-optimization/34635
4864 * tree-data-ref.c (add_other_self_distances): Make sure that the
4865 evolution step is constant.
4867 2008-01-03 Jakub Jelinek <jakub@redhat.com>
4870 * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
4872 2008-01-02 Richard Sandiford <rsandifo@nildram.co.uk>
4874 * tree-sra.c (scalarize_init): Insert the generate_element_init
4875 statements after the generate_element_zero statements.
4877 2008-01-02 Richard Guenther <rguenther@suse.de>
4881 * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
4882 for very large number of operands instead of ICEing.
4884 2008-01-02 Arthur Norman <acn1@cam.ac.uk>
4887 * config/i386/i386.c (ix86_expand_prologue): Save red-zone
4888 while stack probing.
4890 2008-01-01 Douglas Gregor <doug.gregor@gmail.com>
4892 * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
4895 2008-01-01 Volker Reichelt <v.reichelt@netcologne.de>
4898 * tree-mudflap.c (mx_register_decls): Guard warning by
4899 !DECL_ARTIFICIAL check.
4901 2008-01-01 Jakub Jelinek <jakub@redhat.com>
4903 * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
4904 sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
4905 sse5_perm<mode>): Fix constraints.
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