1 2008-03-26 Andreas Schwab <schwab@suse.de>
3 * doc/invoke.texi: Fix use of @item vs. @itemx.
5 2008-03-26 Tom Tromey <tromey@redhat.com>
7 * Makefile.in (build/gensupport.o, build/print-rtl.o,
8 build/read-rtl.o, build/rtl.o, build/gencondmd.o, build/genattr.o,
9 build/genattrtab.o, build/genautomata.o, build/gencheck.o,
10 build/gencodes.o, build/genconditions.o, build/genconfig.o,
11 build/genconstants.o, build/genemit.o, build/genextract.o,
12 build/genflags.o, build/genmddeps.o, build/genopinit.o,
13 build/genoutput.o, build/genpeep.o, build/genrecog.o): Depend on
16 2008-03-26 Richard Guenther <rguenther@suse.de>
19 2008-03-26 Richard Guenther <rguenther@suse.de>
21 * fold-const.c (target.h): Include.
22 (fold_comparison): Fold comparison of addresses of two decls
23 that bind locally. Consolidate address folding code.
25 2008-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
27 * builtins.c (expand_builtin_pow, fold_builtin_cabs,
28 fold_builtin_sqrt, fold_builtin_cbrt, fold_builtin_logarithm,
29 fold_builtin_hypot, fold_builtin_pow): Remove uses of dconst3,
30 dconstsqrt2, dconstthird, dconste and/or dconst10.
31 * config/i386/i386.c (ix86_emit_swsqrtsf): Likewise.
32 * emit-rtl.c (dconst3, dconst10, dconstm2, dconstthird,
33 dconstsqrt2, dconste): Delete.
34 (init_emit_once): Likewise. Simplify initializing dconstm1.
36 * real.c (get_real_const): New.
37 * real.h (dconst3, dconst10, dconstm2, dconstthird,
38 dconstsqrt2, dconste): Delete.
39 (real_value_const, get_real_const): New.
41 2008-03-26 H.J. Lu <hongjiu.lu@intel.com>
43 * config/i386/cygming.h (BIGGEST_ALIGNMENT): Removed.
45 * config/i386/i386.c (ix86_function_arg_boundary): Check
46 BIGGEST_ALIGNMENT instead of 128.
47 (setup_incoming_varargs_64): Likewise.
49 2008-03-26 Tom Tromey <tromey@redhat.com>
51 * Makefile.in (DEPFILES): Add missing '/'.
53 2008-03-26 Richard Guenther <rguenther@suse.de>
55 * fold-const.c (target.h): Include.
56 (fold_comparison): Fold comparison of addresses of two decls
57 that bind locally. Consolidate address folding code.
59 2008-03-26 Nick Clifton <nickc@redhat.com>
62 * config/stormy16/stormy16.c (xstormy16_legitimate_address_p): Do
63 not allow INT+INT as a legitimate addressing mode.
65 2008-03-26 Richard Guenther <rguenther@suse.de>
67 * tree-flow.h (widen_bitfield): Remove declaration.
68 * tree-ssa-ccp.c (visit_assignment): Remove unneeded code.
69 (widen_bitfield): Remove function.
70 * tree-ssa-dom.c (record_equivalences_from_stmt): Remove unneeded
73 2008-03-25 Andrew Pinski <andrew_pinski@playstation.sony.com>
76 * config/rs6000/rs6000-c.c (rs6000_builtin_type_compatible): Handle
79 2008-03-25 Richard Sandiford <rsandifo@nildram.co.uk>
81 PR rtl-optimization/35232
82 * reload1.c (reg_reloaded_call_part_clobbered): Clarify comment.
83 (forget_old_reloads_1, forget_marked_reloads): Don't clear
84 reg_reloaded_call_part_clobbered here.
85 (reload_regs_reach_end_p): New function.
86 (reload_reg_rtx_for_input): New variable.
87 (reload_reg_rtx_for_output): Likewise.
88 (emit_input_reload_insns): Use reloadreg rather than rl->reg_rtx
89 when reassigning a pseudo register. Load reloadreg from
90 reload_reg_rtx_for_input, moving the mode and register
92 (do_input_reload): ...here. Use the mode-adjusted reg_rtx
93 instead of the original when deciding whether an input reload
94 would be a no-op or whether an output reload can be deleted.
95 (emit_output_reload_insns): Use the mode-adjusted reg_rtx
96 when setting up new_spill_reg_store. Load it from
97 reload_reg_rtx_for_output, moving the mode and register
99 (do_output_reload): ...here. Use the mode-adjusted reg_rtx
100 instead of the original when deciding whether an output reload
101 would be a no-op. Do the same when modifying insn notes.
102 Use rtx_equal_p instead of == to compare the registers.
103 (inherit_piecemeal_p): Take a mode and two register numbers
105 (emit_reload_insns): Clear new_spill_reg_store for every hard
106 register in the reload register. Remove spill registers
107 from reg_reloaded_valid before considering whether to record
108 inheritance information for them. Use reload_reg_rtx_for_output
109 instead of reg_rtx when recording output reloads. Use
110 reload_reg_rtx_for_input instead of reg_rtx when recording
111 input reloads. Set or clear reg_reloaded_call_part_clobbered
112 at the same time as setting reg_reloaded_valid.
113 (delete_output_reload): Add a new_reload_reg parameter and use it
114 instead of rld[j].reg_rtx.
115 (emit_input_reload_insns, do_input_reload, do_output_reload): Adjust
118 2008-03-25 Tom Tromey <tromey@redhat.com>
120 * Makefile.in (build/gensupport.o): Depend on insn-modes.h.
121 (build/genattr.o): Likewise.
122 (build/genattrtab.o): Likewise.
123 (build/gencodes.o): Likewise.
124 (build/genconfig.o): Likewise.
125 (build/genconstants.o): Likewise.
126 (build/genemit.o): Likewise.
127 (build/genextract.o): Likewise.
128 (build/genflags.o): Likewise.
130 2008-03-25 Bob Wilson <bob.wilson@acm.org>
132 * config/xtensa/xtensa.c (xtensa_va_start): Use build_int_cst
133 instead of size_int for integer types.
134 (xtensa_gimplify_va_arg_expr): Likewise. Convert index to sizetype
135 to match type of MINUS_EXPR.
137 2008-03-25 Tom Tromey <tromey@redhat.com>
139 * configure: Rebuilt.
140 * configure.ac (BUILD_DEPMODE): Extract CCDEPMODE from temporary
143 2008-03-25 Tom Tromey <tromey@redhat.com>
145 * config/x-solaris (host-solaris.o): Update.
146 * config/x-linux (host-linux.o): Update.
147 * config/x-hpux (host-hpux.o): Update.
148 * config/x-darwin (host-darwin.o): Update.
149 * config/v850/t-v850e (v850-c.o): Update.
150 * config/v850/t-v850 (v850-c.o): Update.
151 * config/t-vxworks (vxworks.o): Update.
152 * config/t-sol2 (sol2-c.o, sol2.o): Update.
153 * config/t-darwin (darwin.o, darwin-c.o, darwin-driver.o): Update.
154 * config/spu/t-spu-elf (spu-c.o): Update.
156 * config/sh/t-symbian (sh-c.o): Update.
158 * config/sh/t-sh (sh-c.o): Update.
159 * config/score/t-score-elf (score7.o, score3.o): Update.
160 * config/rs6000/x-rs6000 (driver-rs6000.o): Update.
161 * config/rs6000/x-darwin64 (host-ppc64-darwin.o): Update.
162 * config/rs6000/x-darwin (host-ppc-darwin.o): Update.
163 * config/rs6000/t-rs6000 (rs6000-c.o): Update.
165 * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
166 * config/m32c/t-m32c (m32c-pragma.o): Update.
167 * config/ia64/t-ia64 (ia64-c.o): Update.
168 * config/i386/x-mingw32 (host-mingw32.o): Update.
169 * config/i386/x-i386 (driver-i386.o): Update.
170 * config/i386/x-darwin (host-i386-darwin.o): Update.
171 * config/i386/x-cygwin (host-cygwin.o): Update.
172 * config/i386/t-nwld (nwld.o): Update.
173 * config/i386/t-netware (netware.o): Update.
174 * config/i386/t-interix (winnt.o): Update.
175 * config/i386/t-cygwin (cygwin1.o, cygwin2.o): Update.
176 * config/i386/t-cygming (winnt.o, winnt-cxx.o, winnt-stubs.o,
177 msformat-c.o): Update.
178 * config/bfin/t-bfin-linux (generated_files): Add
179 linux-sysroot-suffix.h.
180 * config/arm/t-wince-pe (pe.o): Update.
181 * config/arm/t-strongarm-pe (pe.o): Update.
182 * config/arm/t-pe (pe.o): Update.
183 * config/arm/t-arm (arm-c.o): Update.
184 * doc/install.texi (Prerequisites): Require make 3.80.
185 * Makefile.in: Remove .o targets.
186 (CCDEPMODE, DEPDIR, depcomp, BUILD_DEPMODE): New variables.
187 (OBSTACK_H, FIBHEAP_H, PARTITION_H, MD5_H, BCONFIG_H): Remove.
188 (simple_generated_h, simple_generated_c): Move earlier.
189 (generated_files): New variable.
190 (TARGET_H, MACHMODE_H, HOOKS_H, HOSTHOOKS_DEF_H, LANGHOOKS_DEF_H,
191 TARGET_DEF_H, RTL_BASE_H, RTL_H, PARAMS_H, BUILTINS_DEF, TREE_H,
192 BASIC_BLOCK_H, GCOV_IO_H, COVERAGE_H, DEMANGLE_H, RECOG_H,
193 ALIAS_H, EMIT_RTL_H, FLAGS_H, FUNCTION_H, EXPR_H, OPTABS_H,
194 REGS_H, RA_H, RESOURCE_H, SCHED_INT_H, INTEGRATE_H, CFGLAYOUT_H,
195 CFGLOOP_H, IPA_UTILS_H, IPA_REFERENCE_H, IPA_TYPE_ESCAPE_H,
196 CGRAPH_H, DF_H, RESOURCE_H, DDG_H, GCC_H, GGC_H, TIMEVAR_H,
197 INSN_ATTR_H, C_COMMON_H, C_PRAGMA_H, C_TREE_H, SYSTEM_H,
198 PREDICT_H, DECNUM_H, MKDEPS_H, SYMTAB_H, TREE_DUMP_H,
199 TREE_GIMPLE_H, TREE_FLOW_H, TREE_SSA_LIVE_H, PRETTY_PRINT_H,
200 DIAGNOSTIC_H, C_PRETTY_PRINT_H, SCEV_H, LAMBDA_H, TREE_DATA_REF_H,
201 VARRAY_H, TREE_INLINE_H, REAL_H, DBGCNT_H, EBIMAP_H): Remove.
203 (COMPILE.base, COMPILE): New variables.
204 (%.o): New pattern rule.
205 (ALL_HOST_OBJS): New variable.
206 (xgcc$(exeext), cpp$(exeext)): Remove extra version.o.
207 (dummy-checksum.o, cc1-checksum.o): Remove.
208 (DRIVER_SHLIB): New variable.
209 (DRIVER_DEFINES): Use it.
210 (gencondmd.c): Move out of build/.
211 (s-conditions): Update.
212 (BUILDCOMPILE.base, BUILDCOMPILE): New variables.
213 (ALL_BUILD_OBJS): Likewise.
214 (build/%.o): Use BUILDCOMPILE.
215 (build/ggc-none.o, build/ggc-none.o, build/min-insn-modes.o,
216 build/print-rtl.o, build/read-rtl.o, build/rtl.o, build/vec.o,
217 build/gencondmd.o, build/genattrtab.o, build/genautomata.o,
218 build/gencheck.o, build/gencodes.o, build/genconditions.o,
219 build/genconfig.o, build/genconstants.o, build/genemit.o,
220 build/genextract.o, build/genflags.o, build/genmddeps.o,
221 build/genopinit.o, build/genoutput.o, build/genpeep.o,
222 build/genpreds.o, build/genrecog.o, build/gcov-iov.o,
223 build/gen-protos.o, build/scan.o, build/fix-header.o,
224 build/scan-decls.o): Simplify.
225 (collect2.o, c-opts.o, gcc.o, gccspec.o, gcc-options.o,
226 cppdefault.o, protoize.o, unprotoize.o, intl.o, version.o,
227 prefix.o, toplev.o): Reduce to variable setting.
228 (libbackend.o): Use COMPILE. Remove most dependencies. Move later.
229 ($(out_object_file), gcc-options.o): New targets.
230 ($(ALL_HOST_OBJS)): New target. Include dependency files.
231 * configure: Rebuilt.
232 * configure.ac: Call ZW_CREATE_DEPDIR, ZW_PROG_COMPILER_DEPENDENCIES.
233 * doc/sourcebuild.texi (Front End Directory): Document new variable.
235 2008-03-25 Douglas Gregor <doug.gregor@gmail.com>
237 * c-common.c (c_sizeof_or_alignof_type): If we're not allowed to
238 complain when we hit an error, return ERROR_MARK_NODE.
240 2008-03-25 Naveen.H.S <naveen.hs@kpitcummins.com>
242 * config/sh/constraints.md (Pso, Psz): New constraints.
243 * config/sh/sh.c (print_operand): Add %V and %W operand codes.
244 * config/sh/sh.md (*andsi3_bclr, *iorsi3_bset): New insns.
246 2008-03-25 Naveen.H.S <naveen.hs@kpitcummins.com>
248 * config/sh/sh.c (sh_expand_t_scc): Emit movrt for SH2A if possible.
249 * config/sh/sh.md (xorsi3_movrt, movrt): New insns.
251 2008-03-25 Naveen.H.S <naveen.hs@kpitcummins.com>
253 * config/sh/sh.md (prefetch): Add condition for SH2A target.
254 (prefetch_sh2a): New.
256 2008-03-25 Jayant Sonar <Jayant.sonar@kpitcummins.com>
257 Naveen.H.S <naveen.hs@kpitcummins.com>
259 * config/sh/constraints.md (I28): New constraint.
260 * config/sh/sh.c (broken_move): Add support for movi20s.
261 * config/sh/sh.md (movsi_ie): Add the alternative for movi20s.
263 2008-03-25 Anil Paranjape <anil.paranjape@kpitcummins.com>
264 Jayant Sonar <Jayant.sonar@kpitcummins.com>
265 Naveen.H.S <naveen.hs@kpitcummins.com>
267 * config/sh/sh.c (SH_ATTRIBUTES): Define.
268 (SYMBOL_FLAG_FUNCVEC_FUNCTION): Define.
269 (print_operand): Handle resbank in %@ operand code.
270 (sh_encode_section_info): New.
271 (push_regs): Add conditions for resbank.
272 (sh_expand_epilogue): Likewise.
273 (sh_insert_attributes): Likewise.
274 (sh_attribute_table): Likewise.
275 (sh_handle_resbank_handler_attribute): New.
276 (sh2a_handle_function_vector_handler_attribute): New.
277 (sh2a_is_function_vector_call): New.
278 (sh2a_get_function_vector_number): New.
279 (sh2a_function_vector_p): New.
280 (sh_cfun_resbank_handler_p): New.
281 * config/sh/sh.md (calli): Emit jsr/n if possible.
282 (calli_tbr_rel): New.
283 (calli_pcrel): Emit jsr/n if possible.
284 (return_i): Emit rts/n if possible.
285 (call_valuei_tbr_rel): New.
286 (call_valuei_pcrel): Add condition for SH2A target.
287 (call_value): Likewise.
288 * config/sh/sh-protos.h (sh_cfun_resbank_handler_p): Declare.
289 (sh2a_get_function_vector_number): Likewise.
290 (sh2a_is_function_vector_call): Likewise.
291 * doc/extend.texi: Document TBR relative addressing of SH2A.
292 (resbank): Add description for SH2A.
294 2008-03-24 Richard Guenther <rguenther@suse.de>
297 * gimplify.c (gimplify_modify_expr): For frontend type-correct
298 pointer assignments change conversions according to middle-end rules.
299 (gimplify_modify_expr_rhs): Deal with NULL TARGET_EXPR_INITIAL.
300 * configure.ac: Include type checking in yes.
301 * configure: Regenerate.
303 2008-03-24 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
305 * diagnostic.c (diagnostic_count_diagnostic): Delete.
306 (diagnostic_report_diagnostic): Update. Handle ICEs here.
308 2008-03-24 Nathan Sidwell <nathan@codesourcery.com>
310 * gthr-vxworks.h (UNUSED): Define.
312 2008-03-23 H.J. Lu <hongjiu.lu@intel.com>
314 * config/i386/i386.h (STATIC_CHAIN_REGNUM): Use R10_REG and
317 2008-03-23 Zuxy Meng <zuxy.meng@gmail.com>
319 * doc/extend.texi (Function Attributes): Add missing comma in the
320 example of the "alloc_size" attribute.
322 2008-03-23 Uros Bizjak <ubizjak@gmail.com>
325 2008-03-05 H.J. Lu <hongjiu.lu@intel.com>
327 * config/i386/i386-modes.def: Use 4 byte alignment on DI for
330 2008-03-19 Uros Bizjak <ubizjak@gmail.com>
333 * stor-layout.c (update_alignment_for_field): Set minimum alignment
334 of the underlying type of a MS bitfield layout to the natural
335 alignment of the type.
337 2008-03-22 Uros Bizjak <ubizjak@gmail.com>
339 * config/i386/i386.c (assign_386_stack_local): Align DImode slots
340 to their natural alignment to avoid store forwarding stalls.
342 2008-03-22 Richard Guenther <rguenther@suse.de>
344 * tree-cfg.c (verify_expr): Recurse again for invariant addresses.
345 For PHI nodes verify the address is invariant.
346 * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): Remove.
347 (get_symbol_constant_value): Use is_gimple_min_invariant.
348 (maybe_fold_stmt_indirect): Likewise.
350 2008-03-22 Richard Sandiford <rsandifo@nildram.co.uk>
352 PR rtl-optimization/33927
353 * Makefile.in (dse.o): Depend on $(TM_P_H).
354 * expr.h (extract_low_bits): Declare.
355 * expmed.c (extract_low_bits): New function.
356 * rtlhooks.c (gen_lowpart_general): Generalize SUBREG handling.
357 * dse.c: Include tm_p.h.
358 (find_shift_sequence): Remove the read_reg argument and return the
359 read value. Emit the instructions instead of returning them.
360 Iterate on new_mode rather than calculating it each time.
361 Check MODES_TIEABLE_P. Use simplify_gen_subreg to convert the
362 source to NEW_MODE and extract_low_bits to convert the shifted
364 (replace_read): Allow the load and store to have different mode
365 classes. Use extract_low_bits when SHIFT == 0. Create the shift
366 or extraction instructions before trying the replacement. Update
367 dump-file code accordingly, avoiding use of REGNO (store_info->rhs).
369 2008-03-22 Uros Bizjak <ubizjak@gmail.com>
371 * config/i386/i386.c (assign_386_stack_local): Align DImode slots
372 to their natural alignment to avoid store forwarding stalls.
374 2008-03-21 Andrew Pinski <andrew_pinski@playstation.sony.com>
377 * config/rs6000/rs6000.md (floatdidf2): Discouraging fprs and
378 encouraging but not allowing gprs for input;
379 change the input constraint to !f#r.
380 (fix_truncdfdi2): Discouraging fprs and encouraging but not allowing
382 change the output constraint to !f#r.
384 2008-03-21 Uros Bizjak <ubizjak@gmail.com>
387 * config/i386/i386.md ("*floatunssi<mode2>_1"): New pattern with
388 corresponding post-reload splitters.
389 ("floatunssi<mode>2"): Expand to unsigned_float x87 insn pattern
390 when x87 FP math is selected.
391 * config/i386/i386-protos.h (ix86_expand_convert_uns_sixf_sse):
392 New function prototype.
393 * config/i386/i386.c (ix86_expand_convert_uns_sixf_sse): New
394 unreachable function to ease macroization of insn patterns.
396 2008-03-21 Martin Jambor <mjambor@suse.cz>
398 * tree-data-ref.c (dump_data_dependence_relation): Avoid data
399 reference dumps if ddr is NULL or dependence is unknown.
401 2008-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
403 * config/sh/linux-atomic.asm (ATOMIC_TEST_AND_SET): Take
404 unsigned extension into account.
405 (ATOMIC_COMPARE_AND_SWAP): Likewise.
406 (ATOMIC_FETCH_AND_OP, ATOMIC_FETCH_AND_COMBOP): Likewise.
407 Do computations on a scratch register.
409 2008-03-21 Richard Guenther <rguenther@suse.de>
411 * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
412 Use is_gimple_min_invariant instead of TREE_INVARIANT.
413 * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Likewise.
414 * tree-ssa-dom.c (record_equality): Likewise.
415 * tree-inline.c (copy_body_r): Likewise.
416 * tree-ssa-pre.c (make_values_for_stmt): Remove test for
419 2008-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
421 * config/sh/sh.c (split_branches): Pass zero to redirect_jump
422 as 'delete_unused' argument.
424 2008-03-20 Richard Guenther <rguenther@suse.de>
426 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
427 special casing of constant qualifiers.
428 * tree-ssa.c (useless_type_conversion_p_1): Instead do not
429 care about them in general.
430 * tree-ssa-ccp.c (ccp_fold): Addresses are constant or not
431 regardless of their type.
432 (fold_stmt_r): Forcefully fold *& if we end up with that.
434 2008-03-20 Paul Brook <paul@codesourcery.com>
436 * config.gcc (arm*-*-uclinux*): Remove duplicate arm/uclinux-elf.h.
437 * config/arm/uclinux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Add extra
439 * config/arm/bpabi.h (SUBTARGET_EXTRA_LINK_SPEC): Provide default
441 (LINK_SPEC): Use SUBTARGET_EXTRA_LINK_SPEC.
442 * config/arm/unwind-arm.h (_Unwind_decode_target2): Add uClinux.
444 2008-03-20 Volker Reichelt <v.reichelt@netcologne.de>
446 * common.opt (Wmudflap): New option.
447 * tree-mudflap.c (mf_xform_derefs_1): Guard warning by OPT_Wmudflap.
448 (mx_register_decls): Likewise.
449 (mudflap_finish_file): Likewise.
450 * doc/invoke.texi: Document -Wno-mudflap.
452 2008-03-20 Kai Tietz <kai.tietz@onevision.com>
454 * c-format.c (replace_format_name_to_system_name): New.
456 (convert_format_name_to_system_name): New.
457 (decode_format_attr): Add use of convert_format_name_to_system_name.
458 (format_types_orig): Add gnu_ prefix to names.
459 (check_format_info_main): Special treating of \0 escaped names for
460 supporting multi-character format specifiers as I32, I64.
461 (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): Use of user defined attributes.
462 (gnu_target_overrides_format_attributes): New.
463 * c-format.h: Add structure target_ovr_attr to hold
464 system specific formatter names.
465 * config.gcc: Add for x86&x86_64 cygwin and mingw32 targets the
466 msformat-c.o file to c_target_objs and cxx_target_objs.
467 * config/i386/mingw32.h (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
468 (TARGET_OVERRIDES_FORMAT_ATTRIBUTES_COUNT): New.
469 (TARGET_N_FORMAT_TYPES): New.
470 * config/i386/msformat-c.c: New.
471 * config/i386/t-cygming: Add build rule for msformat-c.o.
472 * doc/extend.texi: Add new format names gnu_* and ms_* and
474 * doc/tm.texi: (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
476 2008-03-20 Ira Rosen <irar@il.ibm.com>
478 * doc/invoke.texi (-O3): Add -ftree-vectorize to the list of
479 optimizations turned on under -O3.
480 (ftree-vectorize): Add that the flag is turned on with -O3.
482 2008-03-20 Ben Elliston <bje@au.ibm.com>
484 * regmove.c (try_auto_increment): Fix spelling error in comment.
485 * final.c (final_scan_insn): Likewise.
487 2008-03-20 Uros Bizjak <ubizjak@gmail.com>
490 * config/i386/mmx.md (*mov<mode>_internal_rex64"): Adjust register
491 allocator preferences for "y" and "r" class registers.
492 ("*mov<mode>_internal"): Ditto.
493 ("*movv2sf_internal_rex64"): Ditto.
494 ("*movv2sf_internal"): Ditto.
496 2008-03-19 Michael Matz <matz@suse.de>
499 * calls.c (expand_call): Check overlap of arguments with call
500 address for sibcalls.
502 2008-03-19 Uros Bizjak <ubizjak@gmail.com>
505 * stor-layout.c (update_alignment_for_field): Set minimum alignment
506 of the underlying type of a MS bitfield layout to the natural
507 alignment of the type.
509 2008-03-19 Jan Hubicka <jh@suse.cz>
512 * toplev.c (decode_d_option): Handle all CPP flags.
513 * tree-vrp.c: Update tree_pass descriptors.
514 * regrename.c: Update tree_pass descriptors.
515 * fwprop.c: Update tree_pass descriptors.
516 * doc/invoke.texi: Remove documentation of dropped -d? flags.
517 * tree-into-ssa.c: Update tree_pass descriptors.
518 * tree-dump.c: Update tree_pass descriptors.
519 * tree-complex.c: Update tree_pass descriptors.
520 * tree-dump.h: Update tree_pass descriptors.
521 * see.c: Update tree_pass descriptors.
522 * cgraphbuild.c: Update tree_pass descriptors.
523 * tracer.c: Update tree_pass descriptors.
524 * tree-loop-distribution.c: Update tree_pass descriptors.
525 * cgraph.c: Update tree_pass descriptors.
526 * postreload-gcse.c: Update tree_pass descriptors.
527 * postreload.c: Update tree_pass descriptors.
528 * tree-ssa-loop-ch.c: Update tree_pass descriptors.
529 * tree-tailcall.c: Update tree_pass descriptors.
530 * tree-pass.h (tree_opt_pass): Rename to ...
531 (opt_pass) ... this one; add "type" field and remove letter field.
532 (gimple_opt_pass, rtl_opt_pass, simple_ipa_opt_pass): New.
533 (execute_pass_list, execute_ipa_pass_list, all_passes, all_ipa_passes,
534 all_lowering_passes): Update declaration.
535 * ipa-cp.c: Update tree_pass descriptors.
536 * final.c: Update tree_pass descriptors.
537 * omp-low.c: Update tree_pass descriptors.
538 * tree-ssa-dse.c: Update tree_pass descriptors.
539 * ipa-reference.c: Update tree_pass descriptors.
540 * tree-ssa-uncprop.c: Update tree_pass descriptors.
541 * auto-inc-dec.c: Update tree_pass descriptors.
542 * reorg.c: Update tree_pass descriptors.
543 * cgraphunit.c: Update tree_pass descriptors.
544 * tree-ssa-copyrename.c: Update tree_pass descriptors.
545 * tree-ssa-ccp.c: Update tree_pass descriptors.
546 * df-core.c: Update tree_pass descriptors.
547 * mode-switching.c: Update tree_pass descriptors.
548 * tree-nomudflap.c: Update tree_pass descriptors.
549 * modulo-sched.c: Update tree_pass descriptors.
550 * ipa-pure-const.c: Update tree_pass descriptors.
551 * cse.c: Update tree_pass descriptors.
552 * web.c: Update tree_pass descriptors.
553 * tree-stdarg.c: Update tree_pass descriptors.
554 * tree-ssa-math-opts.c: Update tree_pass descriptors.
555 * tree-ssa-dom.c: Update tree_pass descriptors.
556 * tree-nrv.c: Update tree_pass descriptors.
557 * tree-ssa-alias.c: Update tree_pass descriptors.
558 * loop-init.c: Update tree_pass descriptors.
559 * gimple-low.c: Update tree_pass descriptors.
560 * ipa-inline.c: Update tree_pass descriptors.
561 * tree-ssa-sink.c: Update tree_pass descriptors.
562 * global.c: Update tree_pass descriptors.
563 * ifcvt.c: Update tree_pass descriptors.
564 * jump.c: Update tree_pass descriptors.
565 * predict.c: Update tree_pass descriptors.
566 * tree-ssa-loop.c: Update tree_pass descriptors.
567 * recog.c: Update tree_pass descriptors.
568 * dse.c: Update tree_pass descriptors.
569 * tree-ssa-ifcombine.c: Update tree_pass descriptors.
570 * tree-eh.c: Update tree_pass descriptors.
571 * regmove.c: Update tree_pass descriptors.
573 * function.c: Update tree_pass descriptors.
574 * tree-vectorizer.c: Update tree_pass descriptors.
575 * gcse.c: Update tree_pass descriptors.
576 * ipa-type-escape.c: Update tree_pass descriptors.
577 * tree-if-conv.c: Update tree_pass descriptors.
578 * init-regs.c: Update tree_pass descriptors.
579 * ipa.c: Update tree_pass descriptors.
580 * tree-ssa-phiopt.c: Update tree_pass descriptors.
581 * rtl-factoring.c: Update tree_pass descriptors.
582 * lower-subreg.c: Update tree_pass descriptors.
583 * bt-load.c: Update tree_pass descriptors.
584 * tree-dfa.c: Update tree_pass descriptors.
585 * except.c: Update tree_pass descriptors.
586 * emit-rtl.c: Update tree_pass descriptors.
587 * cfgexpand.c: Update tree_pass descriptors.
588 * tree-cfgcleanup.c: Update tree_pass descriptors.
589 * cfgcleanup.c: Update tree_pass descriptors.
590 * tree-ssa-pre.c: Update tree_pass descriptors.
591 * tree-sra.c: Update tree_pass descriptors.
592 * tree-mudflap.c: Update tree_pass descriptors.
593 * tree-ssa-copy.c: Update tree_pass descriptors.
594 * cfglayout.c: Update tree_pass descriptors.
595 * tree-ssa-forwprop.c: Update tree_pass descriptors.
596 * tree-ssa-dce.c: Update tree_pass descriptors.
597 * tree-ssa.c: Update tree_pass descriptors.
598 * regclass.c: Update tree_pass descriptors.
599 * integrate.c: Update tree_pass descriptors.
600 * tree-optimize.c: Update tree_pass descriptors.
601 * tree-ssa-phiprop.c: Update tree_pass descriptors.
602 * tree-object-size.c: Update tree_pass descriptors.
603 * combine.c: Update tree_pass descriptors.
604 * tree-outof-ssa.c: Update tree_pass descriptors.
605 * bb-reorder.c: Update tree_pass descriptors.
606 * stack-ptr-mod.c: Update tree_pass descriptors.
607 * var-tracking.c: Update tree_pass descriptors.
608 * tree-profile.c: Update tree_pass descriptors.
609 * tree-vect-generic.c: Update tree_pass descriptors.
610 * reg-stack.c: Update tree_pass descriptors.
611 * sched-rgn.c: Update tree_pass descriptors.
612 * tree-ssa-structalias.c: Update tree_pass descriptors.
613 * tree-cfg.c: Update tree_pass descriptors.
614 * passes.c (current_pass): Update declaration.
615 (finish_optimization_passes): Update.
616 (all_passes, all_ipa_passes, all_lowering_passes): Update declaration.
617 (register_one_dump_file, register_dump_files_1, next_pass_1):
619 (init_optimization_passes): Update handling of new types.
620 (execute_one_pass, execute_pass_list, execute_ipa_pass_list): Update.
621 * ipa-struct-reorg.c: Update tree_pass descriptors.
622 * tree-ssa-reassoc.c: Update tree_pass descriptors.
623 * combine-stack-adj.c: Update tree_pass descriptors.
624 * cfgrtl.c: Update tree_pass descriptors.
625 * dce.c: Update tree_pass descriptors.
626 * tree-ssanames.c: Update tree_pass descriptors.
628 2008-03-19 Richard Guenther <rguenther@suse.de>
631 * tree-ssa.c (walk_data): New structure.
632 (warn_uninitialized_var): If not always_executed warn with "maybe"
634 (execute_early_warn_uninitialized): Compute post-dominators.
635 Initialize always_executed before processing each basic block.
637 2008-03-18 Mikulas Patocka <mikulas@artax.karlin.mff.cuni.cz>
640 * config/i386/i386.c (x86_this_parameter): Calculate correct location
641 of "this" pointer when "regparm = N" or "fastcall" is in effect.
643 2008-03-18 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
645 * doc/include/texinfo.tex: Update to version 2008-03-17.10.
647 2008-03-18 Paolo Bonzini <bonzini@gnu.org>
649 * expr.c (store_expr): Assume lang_hooks.reduce_bit_field_operations
651 (expand_expr_real_1) <REDUCE_BIT_FIELD>: Don't look at ignore.
652 (expand_expr_real_1): Assume lang_hooks.reduce_bit_field_operations
653 is true. Add "&& !ignore" condition to reduce_bit_field. Modify
654 target after ignore has been set, and move there also the commputation
655 of subtarget and original_target.
656 * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Delete.
657 (LANG_HOOKS_INITIALIZER): Remove it.
658 * langhooks.h (struct lang_hooks): Remove reduce_bit_field_operations.
660 2008-03-18 Richard Guenther <rguenther@suse.de>
662 * tree-ssa-sccvn.c (visit_reference_op_load): If the lookup
663 found an expression with constants, note that in the VN for the lhs.
664 * tree-ssa-pre.c (eliminate): Visit COND_EXPR statements and
665 fold them to constants if possible. Run cleanup_cfg if done so.
666 (execute_pre): Return todo.
668 (execute_fre): Likewise.
669 * tree-ssa-forwprop.c (can_propagate_from): Allow propagation
671 (get_prop_source_stmt): Look through pointer conversions.
673 2008-03-18 Jan Hubicka <jh@suse.cz>
675 * tree-pretty-print.c: Include predict.h.
676 (dump_generic_node): Dump predictor.
677 * tree.h (PREDICT_EXPR_OUTCOME, PREDICT_EXPR_PREDICTION): Update.
678 * tree-gimple.c (is_gimple_stmt): Add PREDICT_EXPR.
679 * gimple-low.c (lower_stmt): Likewise.
680 * expr.c (expand_expr_real): Likewise.
681 * predict.c (tree_bb_level_predictions): Use PREDICT_EXPRs and remove
683 (build_predict_expr, build_predict_expr): New.
684 * predict.h (predictor_name, build_predict_expr): Update.
685 * c-typeck.c (c_finish_bc_stmt): Add prediction.
686 * gimplify.c (gimplify_expr): Add PREDICT_EXPR.
687 * predict.def (PRED_CONTINUE): Update hitrate.
688 * tree.def (PREDICT_EXPR): Define.
689 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Mark PREDICT_EXPR;
690 do not handle BIND_EXPR.
691 * tree-inline.c (estimate_num_insns_1): PREDICT_EXPR is free.
692 * tree-cfg.c (verify_gimple_stmt): PREDICT_EXPR is valid.
693 * tree-ssa-operands.c (get_expr_operands): PREDICT_EXPR takes no
696 2008-03-18 Michael Matz <matz@suse.de>
698 * gcov-io.h (__gcov_merge_ior, __gcov_fork): Mark hidden.
700 2008-03-18 Richard Guenther <rguenther@suse.de>
702 * tree-gimple.h (is_gimple_invariant_address): Declare.
703 (is_gimple_constant): Likewise.
704 * tree-gimple.c (is_gimple_constant): New function.
705 (is_gimple_invariant_address): Likewise.
706 (is_gimple_min_invariant): Implement in terms of is_gimple_constant
707 and is_gimple_invariant_address.
708 * tree-ssa-loop-niter.c (expand_simple_operations): Revert
710 * tree-data-ref.c (get_references_in_stmt): A SSA_NAME is not
713 2008-03-18 Jakub Jelinek <jakub@redhat.com>
716 * gimplify.c (gimplify_expr): Gimplify second operand of
719 2008-03-17 Richard Guenther <rguenther@suse.de>
721 PR tree-optimization/19637
722 * fold-const.c (fold_unary): Remove restrictions of removing
723 intermediate pointer-conversions (P2)(P1)P0.
724 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Recover from
725 conversion to void pointer.
726 (get_maxval_strlen): Handle addresses of the form &(*p)[0].
728 2008-03-16 James E. Wilson <wilson@tuliptree.org>
731 * dbxout.c (dbxout_expand_expr, case VAR_DECL): Return NULL for
732 emulated thread local variables.
734 2008-03-16 Richard Guenther <rguenther@suse.de>
737 * tree-ssa-loop-niter.c (expand_simple_operations): Do not
738 expand TREE_INVARIANT operations that are not gimple invariant.
740 2008-03-16 Hans-Peter Nilsson <hp@axis.com>
742 * doc/extend.texi (Alignment): Say that the ABI controls
743 the __alignof__ for non-strict-alignment targets rather
744 than being a recommendation.
746 2008-03-15 Paul Brook <paul@codesourcery.com>
748 * config/arm/arm.c (arm_unwind_emit): Suppress unused unwinding
750 (arm_output_fn_unwind): Mark functions that can not be unwound.
752 2008-03-15 Paul Brook <paul@codesourcery.com>
754 * config/arm/arm.c (arm_rtx_costs_1): Add costs for ARMv6 value
755 extension instructions.
757 2008-03-15 Richard Guenther <rguenther@suse.de>
759 * tree-ssa-ccp.c (ccp_fold): Also read from constant values
760 and fold constant aggregate refs.
761 (fold_const_aggregate_ref): Handle string constants
762 and constructors in ARRAY_REFs. Handle INDIRECT_REF.
763 (evaluate_stmt): Simplify now that ccp_fold folds constant
766 2008-03-15 Paul Brook <paul@codesourcery.com>
768 * config/arm/arm.md (insv): Use gen_insv_t2 and gen_insv_zero.
769 (extzv): Use gen_extzv_t2.
770 (insv_t2, insv_zero, extv, extzv_t2): New patterns.
772 2008-03-15 Richard Guenther <rguenther@suse.de>
774 * tree-ssa-ccp.c (get_symbol_constant_value): Export.
775 (fold_const_aggregate_ref): Likewise.
776 (get_value): Return NULL if we don't have any values.
777 (ccp_finalize): Set const_val to NULL after freeing it.
778 * tree-flow.h (get_symbol_constant_value): Declare.
779 (fold_const_aggregate_ref): Likewise.
780 * tree-ssa-sccvn.c (try_to_simplify): Use them.
782 2008-03-15 Richard Guenther <rguenther@suse.de>
785 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make sure
786 to not produce negative array indices if not allowed. Add
787 parameter to indicate that.
788 (maybe_fold_offset_to_component_ref): Allow negative array
789 indices only for the first member of a structure.
790 (maybe_fold_offset_to_reference): Allow negative array indices.
791 (maybe_fold_stmt_addition): Likewise.
793 2008-03-15 Bjoern Haase <bjoern.m.haase@web.de>
794 Anatoly Sokolov <aesok@post.ru>
796 * gcc/gcc/config/avr/avr.c (avr_arch_types): Add avr6 entry.
797 (avr_arch): Add ARCH_AVR6.
798 (avr_mcu_types): Add 'atmega2560' and 'atmega2561' entry.
799 (initial_elimination_offset): Initialize and use 'avr_pc_size'
800 instead of fixed value 2.
801 (print_operand_address): Use gs() asm specifier instead of pm().
802 (avr_assemble_integer): (Ditto.).
803 (avr_output_addr_vec_elt): (Ditto.).
804 (print_operand): Handle "!" code.
805 * gcc/gcc/config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Add
806 __AVR_3_BYTE_PC__, __AVR_2_BYTE_PC__ and __AVR_HAVE_JMP_CALL__.
807 (AVR_HAVE_EIJMP_EICALL): Define.
808 (AVR_3_BYTE_PC): Redefine.
809 (AVR_2_BYTE_PC): (Ditto.).
810 (PRINT_OPERAND_PUNCT_VALID_P): Add '!' code.
811 (LINK_SPEC): Add atmega2560 and atmega2561.
812 (CRT_BINUTILS_SPEC): Add atmega2560 (crtm2560.o) and atmega2561
814 * gcc/gcc/config/avr/avr.md (call_insn): Use eicall instead of icall
815 for 3 byte PC devices.
816 (call_value_insn): (Ditto.).
817 (*tablejump_enh): Use eijmp instead of ijmp for 3 byte PC devices.
818 (indirect_jump): Use only for for 2 byte PC devices.
819 (*tablejump): (Ditto.).
820 (*indirect_jump_avr6): Add insn.
821 (*tablejump_rjmp): Don't use for 3 byte PC devices.
822 * gcc/gcc/config/avr/libgcc.S (__prologue_saves__): Use eijmp
823 instead of ijmp for 3 byte PC devices.
824 (__tablejump2__): (Ditto.).
825 * gcc/gcc/config/avr/t-avr (MULITLIB_OPTIONS): Add avr6 architecture.
826 (MULITLIB_DIRNAMES): (Ditto.).
827 (MULTILIB_MATCHES): Add atmega2560 and atmega2561 to list.
829 2008-03-15 Uros Bizjak <ubizjak@gmail.com>
831 * config/i386/mmx.md ("sse2_umulv1siv2di3"): Rename from
832 "sse2_umulsidi3". Use V1DI mode for operand 0.
833 ("mmx_psadbw"): Use V1DI mode for operand 0.
834 * config/i386/i386-modes.def (V1SI): New vector mode.
835 * config/i386/i386.c (struct builtin_description)
836 [IX86_BUILTIN_PMULUDQ]: Use CODE_FOR_sse2_umulv1siv1di3.
837 (v1di_ftype_v8qi_v8qi): Rename from di_ftype_v8qi_v8qi.
838 (v1di_ftype_v2si_v2si): Rename from di_ftype_v2si_v2si.
839 (ix86_init_mmx_sse_builtins) [__builtin_ia32_psadbw]: Use
840 v1di_ftype_v8qi_v8qi type.
841 [__builtin_ia32_pmuludq]: Use v1di_ftype_v2si_v2si type.
843 * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psadbw,
844 __builtin_ia32_pmuludq]: Fix the mode of return value.
846 2008-03-15 Richard Guenther <rguenther@suse.de>
849 * tree-ssa-pre.c (bitmap_find_leader): Handle expression
852 2008-03-14 Bob Wilson <bob.wilson@acm.org>
854 * doc/invoke.texi (Option Summary, Xtensa Options): Document
855 -mserialize-volatile and -mno-serialize-volatile Xtensa options.
856 * config/xtensa/xtensa.c (print_operand): Do not emit MEMW instructions
857 unless TARGET_SERIALIZE_VOLATILE is enabled.
858 * config/xtensa/xtensa.md (*lsiu, *ssiu): Likewise.
859 * config/xtensa/xtensa.h (TARGET_DEFAULT): Add MASK_SERIALIZE_VOLATILE.
860 * config/xtensa/xtensa.opt (mserialize_volatile): New option.
862 2008-03-14 Richard Guenther <rguenther@suse.de>
864 PR tree-optimization/34172
865 * tree-flow.h (refs_may_alias_p): Declare.
866 (get_single_def_stmt): Likewise.
867 (get_single_def_stmt_from_phi): Likewise.
868 (get_single_def_stmt_with_phi): Likewise.
869 * tree-dfa.c (refs_may_alias_p): New function.
870 (get_single_def_stmt): Likewise.
871 (get_single_def_stmt_from_phi): Likewise.
872 (get_single_def_stmt_with_phi): Likewise.
873 * tree-ssa-sccvn.c (get_def_ref_stmt_vuses): New function.
874 (vn_reference_lookup_1): New helper function.
875 (vn_reference_lookup): Walk the virtual use-def chain to
876 continue searching for a match if the def does not alias the
877 reference we are looking for.
879 2008-03-14 David Edelsohn <edelsohn@gnu.org>
881 * doc/install.texi (Binaries): Remove UCLA archive. Add HVCC
882 archive and Perzl. Update The Written Word listing.
884 2008-03-14 Richard Guenther <rguenther@suse.de>
886 PR tree-optimization/34043
887 PR tree-optimization/33989
888 * tree-ssa-pre.c (execute_pre): Allow SCCVN to do insertion
890 (bitmap_find_leader): Use extra argument to verify dominance
891 relationship inside a basic-block.
892 (can_PRE_operation): Add VIEW_CONVERT_EXPR.
893 (find_leader_in_sets): Adjust.
894 (create_component_ref_by_pieces): Take extra argument for
895 dominance check, handle lookup failures.
896 (find_or_generate_expression): Likewise.
897 (create_expression_by_pieces): Likewise.
898 (insert_into_preds_of_block): Adjust.
899 (create_value_expr_from): If asked for, verify all operands
900 are in the blocks AVAIL_OUT set.
901 (make_values_for_stmt): Check for SSA_NAMEs that are life
902 over an abnormal edge.
903 (compute_avail): Remove such check.
904 (do_SCCVN_insertion): New function.
905 (eliminate): If we do not find a leader suitable for replacement
906 insert a replacement expression from SCCVN if available.
907 * tree-ssa-sccvn.h (run_scc_vn): Update prototype.
908 (struct vn_ssa_aux): Add needs_insertion flag.
909 * tree-ssa-sccvn.c (may_insert): New global flag.
910 (copy_reference_ops_from_ref): Value-number union member access
911 based on its size, not type and member if insertion is allowed.
912 (visit_reference_op_load): For a weak match from union type
913 punning lookup a view-converted value and insert a SSA_NAME
914 for that value if that is not found.
915 (visit_use): Make dumps shorter. Do not disallow value numbering
916 SSA_NAMEs that are life over an abnormal edge to constants.
917 (free_scc_vn): Release inserted SSA_NAMEs.
918 (run_scc_vn): New flag to specify whether insertion is allowed.
919 Process SSA_NAMEs in forward order.
920 * tree-ssa-loop-im.c (for_each_index): Handle invariant
921 ADDR_EXPRs inside VIEW_CONVERT_EXPR.
922 * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPRs from/to
923 pointer type to/from integral types that do not change the
924 precision to regular conversions.
926 2008-03-13 Uros Bizjak <ubizjak@gmail.com>
928 * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
929 __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
930 __builtin_ia32_psrl?i, __builtin_ia32_psra?i, __builtin_ia32_psll?128,
931 __builtin_ia32_psrl?128, __builtin_ia32_psra?128]: Fix the mode of
932 input arguments and the mode of return value. Built-in functions
933 that operate on whole 64-bit MMX register now use V1DI mode.
935 2008-03-13 Alon Dayan <alond@il.ibm.com>
936 Olga Golovanevsky <olga@il.ibm.com>
938 PR tree-optimization/35041
939 * ipa-struct-reorg.c (find_pos_in_stmt_1): Add another option
940 to locate the right position in a statement.
942 2008-03-13 Uros Bizjak <ubizjak@gmail.com>
946 * config/i386/xmmintrin.h: Change all static inline functions to
947 extern inline and add __gnu_inline__ attribute.
948 * config/i386/bmintrin.h: Ditto.
949 * config/i386/smmintrin.h: Ditto.
950 * config/i386/tmmintrin.h: Ditto.
951 * config/i386/mmintrin-common.h: Ditto.
952 * config/i386/ammintrin.h: Ditto.
953 * config/i386/emmintrin.h: Ditto.
954 * config/i386/pmmintrin.h: Ditto.
955 * config/i386/mmintrin.h: Ditto.
956 * config/i386/mm3dnow.h: Ditto.
958 2008-03-13 Jakub Jelinek <jakub@redhat.com>
961 * omp-low.c (lower_regimplify, init_tmp_var, save_tmp_var): Removed.
962 (lower_omp_2): New function.
963 (lower_omp_1, lower_omp): Rewritten.
965 2008-03-13 Danny Smith <dannysmith@users.sourceforge.net>
968 * doc/extend.texi (Structure-Packing Pragmas): Replace "Win32"
969 with the phrase "Microsoft Windows compilers".
970 (Push/Pop Macro Pragmas): New subsection. Document
971 #pragma push_macro and pragma pop_macro.
973 2008-03-12 Paul Brook <paul@codesourcery.com>
975 * config/arm/arm.c (output_move_double): Prefer LDRD to LDM.
977 2008-03-12 Paul Brook <paul@codesourcery.com>
979 * config/arm/thumb2.md: Extend peephole to cover 3-arg subs.
980 (thumb2_alusi3_short): Exclude PLUS and MINUS.
981 (thumb2_addsi_shortim): Rename ...
982 (thumb2_addsi_short): ... to this. Allow register operands.
983 (thumb2_subsi_short): New pattern.
984 (thumb2_one_cmplsi2_short,
985 thumb2_negsi2_short): New patterns and peepholes.
987 2008-03-12 Paul Brook <paul@codesourcery.com>
989 * config/arm/arm.c (arm_size_rtx_costs): Use ARM costs for Thumb-2.
991 2008-03-12 Uros Bizjak <ubizjak@gmail.com>
993 * config/i386/i386.md (int_cond): New code iterator.
995 ("s<code>"): Macroize expander from seq, sne, sgt, sgtu, slt, sltu,
996 sge, sgeu, sle and sleu expanders usign int_cond code iterator.
997 ("s<code>"): Macroize expander from sunordered, sordered, suneq, sunge,
998 sungt, sunle, sunlt and sltgt expanders usign fp_cond code iterator.
999 ("b<code>"): Macroize expander from beq, bne, bgt, bgtu, blt, bltu,
1000 bge, bgeu, ble and bleu expanders usign int_cond code iterator.
1001 ("b<code>"): Macroize expander from bunordered, bordered, buneq, bunge,
1002 bungt, bunle, bunlt and bltgt expanders usign fp_cond code iterator.
1004 2008-03-12 Paul Brook <paul@codesourcery.com>
1006 * config/arm/arm.c (use_return_insn): Use offsets->saved_regs_mask
1007 instead of {arm,thumb}_compute_save_reg_mask.
1008 (output_return_instruction): Ditto.
1009 (thumb_unexpanded_epilogue): Ditto.
1010 (thumb1_expand_prologue): Ditto.
1011 (thumb1_output_function_prologue): Ditto.
1012 (arm_set_return_address): Ditto.
1013 (thumb_set_return_address): Ditto.
1014 (arm_get_frame_offsets): Set offsets->saved_regs_mask. Push extra
1015 regs to achieve stack alignment.
1016 (thumb1_compute_save_reg_mask): Fix compiler warning.
1017 (arm_output_epilogue): Use offsets->saved_regs_mask.
1018 Adjust stack pointer by poping call clobered registers.
1019 (arm_expand_prologue): Use offsets->saved_regs_mask.
1020 Adjust stack pointer by pushing extra registers.
1021 * config/arm.h (arm_stack_offsets): Add saved_regs_mask.
1023 2008-03-12 Paolo Bonzini <bonzini@gnu.org>
1026 * fold-const.c (fold_unary) <NOP_EXPR>: Distribute a narrowing
1027 conversion to the operands of a multiplication.
1029 2008-03-12 Richard Guenther <rguenther@suse.de>
1031 * Makefile.in (OBJS-common): Add tree-ssa-phiprop.o
1032 (tree-ssa-phiprop.o): Copy dependencies from tree-ssa-forwprop.o.
1033 * timevar.def (TV_TREE_PHIPROP): Add.
1034 * tree-ssa-phiprop.c: Split from tree-ssa-forwprop.c, added
1035 pass description. Use TV_TREE_PHIPROP.
1036 * tree-ssa-forwprop.c: Remove phiprop code.
1038 2008-03-12 Jakub Jelinek <jakub@redhat.com>
1041 * omp-low.c (maybe_lookup_decl): Constify first argument.
1042 (use_pointer_for_field): Change last argument from bool to
1043 omp_context *. Disallow shared copy-in/out in nested
1044 parallel if decl is shared in outer parallel too.
1045 (build_outer_var_ref, scan_sharing_clauses,
1046 lower_rec_input_clauses, lower_copyprivate_clauses,
1047 lower_send_clauses, lower_send_shared_vars): Adjust callers.
1049 2008-03-12 Victor Kaplansky <victork@il.ibm.com>
1050 Ira Rosen <irar@il.ibm.com>
1052 * tree-vectorizer.c (free_stmt_vec_info): New function.
1053 (destroy_loop_vec_info): Move code to free_stmt_vec_info().
1054 Call free_stmt_vec_info(). Free LOOP_VINFO_STRIDED_STORES..
1055 * tree-vectorizer.h (free_stmt_vec_info): Declare.
1056 * tree-vect-transform.c (vectorizable_conversion): Free
1057 vec_oprnds0 if it was allocated.
1058 (vect_permute_store_chain): Remove unused VECs.
1059 (vectorizable_store): Free VECs that are allocated in the..
1061 (vect_transform_strided_load, vectorizable_load): Likewise.
1062 (vect_remove_stores): Simplify the code.
1063 (vect_transform_loop): Move code to vect_remove_stores().
1064 Call vect_remove_stores() and free_stmt_vec_info().
1066 2008-03-11 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1068 * pa.h (TARGET_LONG_PIC_SDIFF_CALL): Conditionalize define on
1069 TARGET_HPUX. Revise comment.
1070 (TARGET_LONG_PIC_PCREL_CALL): Revise comment.
1071 * pa.c (output_call): Update for revised TARGET_LONG_PIC_SDIFF_CALL.
1072 Use sr4 variant of `be' instruction when not generating PIC code.
1073 (attr_length_call): Adjust for above change.
1075 2008-03-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
1077 * ipa-reference.c (static_execute): Remove module_statics_const and
1078 associated setting code.
1080 2008-03-11 Uros Bizjak <ubizjak@gmail.com>
1083 * config/i386/i386.md (paritysi2, paritydi2): Use register_operand
1084 predicate for operand 1.
1085 (paritysi2_cmp): Use register_operand predicate for operand 2.
1086 Use earlyclobber modifier for operand 1. Remove support for
1088 (paritydi2_cmp): Use register_operand predicate for operand 3.
1089 Use earlyclobber modifier for operand 1. Remove support for
1092 2008-03-11 Paul Brook <paul@codesourcery.com>
1093 Vladimir Prus <vladimir@codesourcery.com>
1095 * config/arm/arm.c (use_return_insn): Check TARGET_APCS_FRAME.
1096 (arm_compute_save_reg0_reg12_mask): Always
1097 check if register 11 must be saved. Always safe hard frame pointer
1098 when frame_pointer_needeed.
1099 (arm_compute_save_reg_mask): Save IP and PC
1100 only with apcs frames.
1101 (arm_output_epilogue): Adjust Thumb2 codepath to
1102 be also invoked and work for ARM non-apcs frames.
1103 (arm_expand_prologue): Don't bother saving IP
1104 for non-apcs frame, since it's not clobbered by
1105 prologue code. Implement non-apcs frame
1108 2008-03-11 Paolo Bonzini <bonzini@gnu.org>
1110 PR rtl-optimization/35281
1111 * expr.c (convert_move): Use a new pseudo for the intermediate
1112 from_mode->word_mode result.
1114 2008-03-11 Paolo Bonzini <bonzini@gnu.org>
1116 * langhooks-def.h (LANG_HOOKS_CLEAR_BINDING_STACK): Delete.
1117 * langhooks.h (struct lang_hooks): Delete clear_binding_stack member.
1118 * toplev.c (compile_file): Don't call it.
1120 2008-03-11 Uros Bizjak <ubizjak@gmail.com>
1123 * expr.c (store_expr): Call emit_block_move if the mode
1124 of "temp" RTX is BLKmode.
1126 2008-03-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
1127 Richard Guenther <rguenther@suse.de>
1129 PR tree-optimization/31358
1130 * tree-ssa-loop-manip.c (create_iv): Call force_gimple_operand for
1131 the step with a NULL_TREE.
1132 * tree-ssa-loop-ivopts.c (find_bivs): Convert the step
1133 to sizetype if type is a pointer type.
1134 (add_candidate_1): Don't convert the base and step to
1135 the generic type if the orginal type is a pointer type.
1136 (add_iv_value_candidates): Use sizetype for the step
1137 if type is a pointer type.
1138 (cand_value_at): Likewise.
1139 * tree-ssa-address.c (add_to_parts): Use POINTER_PLUS_EXPR
1141 * tree-affine.c (tree_to_aff_combination <POINTER_PLUS_EXPR>):
1142 Don't convert the tem affine to the type.
1143 (add_elt_to_tree): Use sizetype for the step if a pointer.
1144 Use POINTER_PLUS_EXPR for pointers.
1145 (aff_combination_to_tree): Use sizetype for the step if a
1148 2008-03-10 Vladimir Makarov <vmakarov@redhat.com>
1150 * config/i386/sse.md (ssse3_pmaddubswv8hi3, ssse3_pmaddubswv4hi3):
1151 Remove commutativity hint.
1153 2008-03-10 Jakub Jelinek <jakub@redhat.com>
1157 * c-parser.c (c_parser_omp_threadprivate): Don't add vars with
1158 errorneous type. Check that v is a VAR_DECL.
1161 * tree-cfg.c (new_label_mapper): Update cfun->last_label_uid.
1163 2008-03-10 H.J. Lu <hongjiu.lu@intel.com>
1165 PR tree-optimization/35494
1166 * tree-ssa-ccp.c (get_symbol_constant_value): Check if value
1167 may be overriden at link and run time.
1169 2008-03-10 Richard Guenther <rguenther@suse.de>
1171 PR tree-optimization/34677
1172 * tree-ssa-pre.c (modify_expr_node_pool): Remove.
1173 (poolify_tree): Likewise.
1174 (modify_expr_template): Likewise.
1175 (poolify_modify_stmt): Likewise.
1176 (insert_fake_stores): Handle all component-ref style stores
1177 in addition to INDIRECT_REF. Also handle complex types.
1178 Do not poolify the inserted load.
1179 (realify_fake_stores): Do not rebuild the tree but only
1180 make it a SSA_NAME copy.
1181 (init_pre): Remove initialzation of modify_expr_template.
1182 Do not allocate modify_expr_node_pool.
1183 (fini_pre): Do not free modify_expr_node_pool.
1185 2008-03-10 Paul Brook <paul@codesourcery.com>
1187 * config/arm/arm.md (UNSPEC_STACK_ALIGN, UNSPEC_PIC_OFFSET): Renumber
1190 2008-03-10 Paul Brook <paul@codesourcery.com>
1191 Mark Shinwell <shinwell@codesourcery.com>
1193 * config/arm/cortex-r4.md: New.
1194 * config/arm/thumb2.md (divsi3, udivsi3): Annotate with
1196 * config/arm/arm.md: Include cortex-r4.md.
1197 (insn): Add smmls, sdiv and udiv values.
1198 (generic_sched): Don't use generic scheduling for Cortex-R4.
1199 (arm_issue_rate): New function.
1200 (TARGET_SCHED_ISSUE_RATE): Define.
1202 2008-03-10 Sebastian Pop <sebastian.pop@amd.com>
1204 * doc/invoke.texi (-ftree-loop-distribution): Add an example.
1206 2008-03-10 Richard Guenther <rguenther@suse.de>
1208 * tree-ssa-pre.c (get_sccvn_value): Simplify.
1209 (compute_avail): Do not add stmt uses to AVAIL_OUT.
1211 2008-03-10 Paolo Bonzini <bonzini@gnu.org>
1213 * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
1214 Set default to true.
1216 2008-03-09 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1218 * c.opt (Wsynth): Deprecate.
1219 * doc/invoke.texi (Option Summary, Warning Options): Document
1220 -Wno-format-contains-nul.
1222 2008-03-09 Uros Bizjak <ubizjak@gmail.com>
1225 * config/i386/i386.c (ix86_constant_alignment): Compute alignment using
1226 ALIGN_MODE_128 for VECTOR_CST and INTEGER_CST in addition to REAL_CST.
1228 2008-03-09 Ira Rosen <irar@il.ibm.com>
1230 * config/rs6000/rs6000.c (builtin_description): Rename vector
1231 left shift operations.
1232 * config/rs6000/altivec.md (UNSPEC_VSL): Remove.
1233 (altivec_vsl<VI_char>): Rename to ...
1234 (ashl<mode>3): ... new name.
1235 (mulv4sf3, mulv4si3, negv4sf2): Replace gen_altivec_vslw with
1237 (absv4sf2): Convert to use ashift:V4SI instead of UNSPEC_VSL.
1239 2008-03-08 Richard Guenther <rguenther@suse.de>
1241 * coverage.h (tree_coverage_counter_addr): Declare.
1242 * coverage.c (tree_coverage_counter_addr): New function.
1243 * tree-profile.c (tree_gen_edge_profiler): Unshare counter
1245 (tree_gen_pow2_profiler): Use tree_coverage_counter_addr.
1246 (tree_gen_one_value_profiler): Likewise.
1247 (tree_gen_ic_profiler): Likewise.
1248 (tree_gen_average_profiler): Likewise.
1249 (tree_gen_ior_profiler): Likewise.
1251 2008-03-08 Richard Guenther <rguenther@suse.de>
1253 * tree-ssa-sccvn.h (vn_binary_op_lookup): Remove.
1254 (vn_binary_op_insert): Likewise.
1255 (vn_unary_op_lookup): Likewise.
1256 (vn_unary_op_insert): Likewise.
1257 (vn_nary_op_lookup): Declare.
1258 (vn_nary_op_insert): Likewise.
1259 * tree-ssa-sccvn.c (struct vn_tables_s): Merge unary
1260 and binary hashes, use a single obstack for unary_op_pool
1262 (struct vn_binary_op_s, struct vn_unary_op_s): Replace with
1263 a single struct vn_nary_op_s. Store tree code length and
1264 a variable number of operands.
1265 (struct vn_reference_op_struct): Remove unused op2.
1266 (vn_reference_op_eq): Do not compare op2.
1267 (vn_reference_op_compute_hash): Do not compute hash of op2.
1268 (vn_unary_op_hash, vn_binary_op_hash): Replace with vn_nary_op_hash.
1269 (vn_unary_op_compute_hash, vn_binary_op_compute_hash): Replace
1270 with vn_nary_op_compute_hash.
1271 (vn_unary_op_eq, vn_binary_op_eq): Replace with vn_nary_op_eq.
1272 (vn_unary_op_lookup, vn_binary_op_lookup): Replace with
1274 (vn_unary_op_insert, vn_binary_op_insert): Replace with
1276 (visit_unary_op): Call nary functions.
1277 (visit_binary_op): Likewise.
1278 (process_scc): Adjust for struct vn_tables_s changes.
1279 (allocate_vn_table): Likewise.
1280 (free_vn_table): Likewise.
1281 * tree-vn.c (vn_add): Call nary functions.
1282 (vn_lookup): Likewise.
1284 2008-03-08 Jakub Jelinek <jakub@redhat.com>
1287 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): Shift
1288 wdst back after sync_compare_and_swapqhi_internal.
1290 2008-03-08 Uros Bizjak <ubizjak@gmail.com>
1293 * config/i386/i386-modes.def (V1DI): New vector mode.
1294 * config/i386/i386.h (VALID_MMX_REG_MODE): Add V1DImode.
1295 * config/i386/mmx.md (MMXMODEI8): New mode iterator.
1296 (MMXMODE248): Ditto.
1297 (MMXMODE): Add V1DI mode.
1298 (mmxvecsize): Change DI mode to V1DI mode.
1299 ("mov<mode>): Use MMXMODEI8 mode iterator.
1300 ("*mov<mode>_internal_rex64"): Ditto.
1301 ("*mov<mode>_internal"): Ditto.
1302 ("mmx_add<mode>3"): Ditto. Handle V1DImode for TARGET_SSE2.
1303 ("mmx_sub<mode>3"): Ditto.
1304 ("mmx_adddi3"): Remove insn pattern.
1305 ("mmx_subdi3"): Ditto.
1306 ("mmx_ashr<mode>3"): Use SImode and "yN" constraint for operand 2.
1307 ("mmx_lshr<mode>3"): Ditto. Use MMXMODE248 mode iterator.
1308 ("mmx_ashl<mode>3"): Ditto.
1309 ("mmx_lshrdi3"): Remove insn pattern.
1310 ("mmx_ashldi3"): Ditto.
1311 * config/i386/i386.c (classify_argument): Handle V1DImode.
1312 (function_arg_advance_32): Ditto.
1313 (function_arg_32): Ditto.
1314 (struct builtin_description) [IX86_BUILTIN_PADDQ]: Use
1315 mmx_addv1di3 insn pattern.
1316 [IX86_BUILTIN_PSUBQ]: Use mmx_subv1di3 insn pattern.
1317 [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?, IX86_BUILTIN_PSRA?,
1318 IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I, IX86_BUILTIN_PSRA?I,
1319 IX86_BUILTIN_PSLL?I128, IX86_BUILTIN_PSRL?I128, IX86_BUILTIN_PSRA?I128]:
1320 Remove definitions of built-in functions.
1321 (V1DI_type_node): New node.
1322 (v1di_ftype_v1di_int): Ditto.
1323 (v1di_ftype_v1di_v1di): Ditto.
1324 (v2si_ftype_v2si_si): Ditto.
1325 (v4hi_ftype_v4hi_di): Remove node.
1326 (v2si_ftype_v2si_di): Ditto.
1327 (ix86_init_mmx_sse_builtins): Handle V1DImode.
1328 (__builtin_ia32_psll?, __builtin_ia32_psrl?, __builtin_ia32_psra?):
1329 Redefine builtins using def_builtin_const with *_ftype_*_int node.
1330 (__builtin_ia32_psll?i, __builtin_ia32_psrl?i, __builtin_ia32_psra?i):
1331 Add new builtins using def_builtin_const.
1332 (ix86_expand_builtin) [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?,
1333 IX86_BUILTIN_PSRA?, IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I,
1334 IX86_BUILTIN_PSRA?I]: Handle builtin definitions.
1335 * config/i386/mmintrin.h (__v1di): New typedef.
1336 (_mm_add_si64): Cast arguments to __v1di type.
1337 (_mm_sub_si64): Ditto.
1338 (_mm_sll_pi16): Cast __count to __v4hi type.
1339 (_mm_sll_pi32): Cast __count to __v2si type.
1340 (_mm_sll_si64): Cast arguments to __v1di type.
1341 (_mm_srl_pi16): Cast __count to __v4hi type.
1342 (_mm_srl_pi32): Cast __count to __v2si type.
1343 (_mm_srl_si64): Cast arguments to __v1di type.
1344 (_mm_sra_pi16): Cast __count to __v4hi type.
1345 (_mm_sra_pi32): Cast __count to __v2si type.
1346 (_mm_slli_pi16): Use __builtin_ia32_psllwi.
1347 (_mm_slli_pi32): Use __builtin_ia32_pslldi.
1348 (_mm_slli_si64): Use __builtin_ia32_psllqi. Cast __m to __v1di type.
1349 (_mm_srli_pi16): Use __builtin_ia32_psrlwi.
1350 (_mm_srli_pi32): Use __builtin_ia32_psrldi.
1351 (_mm_srli_si64): Use __builtin_ia32_psrlqi. Cast __m to __v1di type.
1352 (_mm_srai_pi16): Use __builtin_ia32_psrawi.
1353 (_mm_srai_pi32): Use __builtin_ia32_psradi.
1354 * config/i386/i386.md (UNSPEC_NOP): Remove unspec definition.
1355 * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
1356 __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
1357 __builtin_ia32_psrl?i, __builtin_ia32_psra?i]: Add new builtins.
1359 2008-03-07 Joseph Myers <joseph@codesourcery.com>
1361 * doc/include/texinfo.tex: Update to version 2008-03-07.10.
1363 2008-03-07 Peter Bergner <bergner@vnet.ibm.com>
1366 * config/rs6000/rs6000.c (rs6000_legitimize_address): Don't generate
1367 reg+const addressing for Altivec modes. Don't generate reg+reg
1368 addressing for TFmode or TDmode quantities.
1370 2008-03-07 Paolo Bonzini <bonzini@gnu.org>
1372 * c-common.c (vector_types_convertible_p): Call langhook
1373 instead of comptypes.
1375 2008-03-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
1378 * tree-ssa-ccp.c (get_symbol_constant_value): Handle
1379 integral and scalar float variables which have a
1382 2008-03-06 Nathan Froyd <froydnj@codesourcery.com>
1384 * dwarf2out.c (dwarf2out_frame_debug_expr): Consult the
1385 dwarf_register_span hook when emitting unwind information for
1386 register-to-memory saves.
1387 * config/rs6000/rs6000.c (spe_synthesize_frame): Delete.
1388 (rs6000_frame_related): Remove call to spe_synthesize_frame.
1390 2008-03-06 Jakub Jelinek <jakub@redhat.com>
1392 * gimplify.c (goa_lhs_expr_p): Allow different ADDR_EXPR nodes
1393 for the same VAR_DECL.
1395 2008-03-06 Tom Tromey <tromey@redhat.com>
1398 * doc/standards.texi (Standards): Don't mention treelang.
1399 * doc/invoke.texi (Overall Options): Don't mention treelang.
1400 * doc/install.texi (Prerequisites): Don't mention bison or
1402 (Configuration): Don't mention treelang.
1403 (Building): Likewise.
1404 * doc/frontends.texi (G++ and GCC): Don't mention treelang.
1406 2008-03-06 Paolo Bonzini <bonzini@gnu.org>
1408 * simplify-rtx.c (simplify_subreg): Remove useless shifts from
1409 word-extractions out of a multi-word object.
1411 2008-03-06 Richard Guenther <rguenther@suse.de>
1413 * tree.def (BIT_FIELD_REF): Constrain result type and its precision.
1414 * tree-cfg.c (verify_expr): Verify BIT_FIELD_REF constraints on
1415 result type and precision.
1416 * expr.c (get_inner_reference): Set unsignedp based on the result
1417 type of BIT_FIELD_REF.
1418 * tree.h (BIT_FIELD_REF_UNSIGNED): Remove.
1419 * tree-sra.c (instantiate_element): Do not set BIT_FIELD_REF_UNSIGNED.
1420 (try_instantiate_multiple_fields): Likewise. Use the correct type
1422 (sra_build_assignment): Likewise.
1423 (sra_build_elt_assignment): Likewise.
1424 (sra_explode_bitfield_assignment): Likewise.
1425 * print-tree.c (print_node): Do not check BIT_FIELD_REF_UNSIGNED.
1426 * tree-vect-transform.c (vect_create_epilog_for_reduction): Do not
1427 set BIT_FIELD_REF_UNSIGNED.
1428 (vectorizable_load): Likewise.
1430 2008-03-06 Andreas Krebbel <krebbel1@de.ibm.com>
1432 * cse.c (cse_extended_basic_block): Invalidate artificial defs
1435 2008-03-06 Richard Guenther <rguenther@suse.de>
1437 * alias.c (struct alias_set_entry): Move has_zero_child field
1438 to pack with alias_set.
1440 2008-03-05 H.J. Lu <hongjiu.lu@intel.com>
1442 * config/i386/i386-modes.def: Use 4 byte alignment on DI for
1445 2008-03-05 Ian Lance Taylor <iant@google.com>
1447 * alias.h (alias_set_type): Change from HOST_WIDE_INT to int.
1449 2008-03-05 Kenneth Zadeck <zadeck@naturalbridge.com>
1451 * fwprop.c (update_df): Support width and offset parameters of
1453 * ra-conflict.c (mark_reg_store, clear_reg_in_live,
1454 global_conflicts): Change DF_REF_EXTRACT to either
1455 DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT. Change
1456 DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
1457 * df-scan.c (df_ref_record, df_defs_record,
1458 df_ref_create_structure, df_def_record_1, df_uses_record,
1459 df_get_conditional_uses, df_get_call_refs, df_insn_refs_collect,
1460 df_bb_refs_collect, df_entry_block_defs_collect,
1461 df_exit_block_uses_collect): Support new width and offset fields.
1462 (ref_extract_pool): New storage pool.
1463 (df_free_ref): New function.
1464 (df_reg_chain_unlink, df_free_collection_rec,
1465 df_sort_and_compress_refs): Call df_free_ref.
1466 (df_ref_equal_p, df_ref_compare): Compare offset and width fields
1468 (df_ref_create_structure): Allocate df_ref_extract if offset and
1469 width fields are used.
1470 (df_def_record_1): Get offset and width from ZERO_EXTRACT.
1471 (df_uses_record): Get offset and width from ZERO_EXTRACT
1473 * global.c (build_insn_chain): Change DF_REF_EXTRACT to either
1474 DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT. Change
1475 DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
1476 * df.h (df_ref_flags): Change DF_REF_EXTRACT to either
1477 DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT. Change
1478 DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
1479 (df_ref_extract): New structure.
1480 (DF_REF_WIDTH, DF_REF_OFFSET): New macros.
1481 (df_ref_create): Add width and offset parameters.
1483 2008-03-05 Richard Guenther <rguenther@suse.de>
1485 * tree-ssa-structalias.c (get_constraint_for_component_ref):
1486 Use ranges_overlap_p.
1487 (offset_overlaps_with_access): Rename
1488 to ranges_overlap_p and move ...
1489 * tree-flow-inline.h (ranges_overlap_p): ... here.
1491 * tree.h (get_inner_reference, handled_component_p): Update
1494 * tree.h (record_component_aliases, get_alias_set,
1495 alias_sets_conflict_p, alias_sets_must_conflict_p,
1496 objects_must_conflict_p): Move declarations ...
1497 * alias.h (record_component_aliases, get_alias_set,
1498 alias_sets_conflict_p, alias_sets_must_conflict_p,
1499 objects_must_conflict_p): ... here.
1500 Include coretypes.h.
1501 * Makefile.in (ALIAS_H): Add coretypes.h dependency.
1503 2008-03-05 Aldy Hernandez <aldyh@redhat.com>
1505 * cfg.c: Include tree-flow.h.
1506 (remove_edge_raw): Call redirect_edge_var_map_clear.
1507 (redirect_edge_succ_nodup): Call redirect_edge_var_map_dup.
1508 * tree-flow-inline.h (redirect_edge_var_map_def): New.
1509 (redirect_edge_var_map_result): New.
1510 * tree-cfgcleanup.c (remove_forwarder_block_with_phi): Replace
1511 PENDING_STMT use with redirect_edge_var_map_*.
1512 * tree-ssa.c (edge_var_maps): New definition.
1513 (redirect_edge_var_map_add): New.
1514 (redirect_edge_var_map_clear): New.
1515 (redirect_edge_var_map_dup): New.
1516 (redirect_edge_var_map_vector): New.
1517 (redirect_edge_var_map_destroy): New.
1518 (ssa_redirect_edge): Replace PENDING_STMT use with
1519 redirect_edge_var_map_*.
1520 (flush_pending_stmts): Same.
1521 (delete_tree_ssa): Destroy edge var map.
1522 * tree-flow.h (struct _edge_var_map): New.
1523 Define edge_var_map vector type.
1524 Declare redirect_edge_var_map_* prototypes.
1525 * Makefile.in (cfg.o): Depend on TREE_FLOW_H.
1526 * tree-cfg.c (reinstall_phi_args): Replace
1527 PENDING_STMT use with redirect_edge_var_map_*.
1529 2008-03-05 Richard Guenther <rguenther@suse.de>
1531 PR tree-optimization/35472
1532 * tree-ssa-dse.c (dse_optimize_stmt): Do not delete a store
1533 whose single use_stmt has a overlapping set of loaded and
1534 stored symbols as that use_stmt might be a noop assignment then.
1536 2008-03-05 Joel Sherrill <joel.sherrill@oarcorp.com>
1538 * gthr-rtems.h: Implement __gthread_mutex_destroy.
1540 2008-03-05 Richard Guenther <rguenther@suse.de>
1543 * tree.def (BIT_FIELD_REF): Document that operands 1 and 2
1544 should be constants.
1545 * tree-cfg.c (verify_expr): Verify it.
1546 * fold-const.c (fold_truthop): Remove code generating
1547 BIT_FIELD_REFs of structure bases.
1548 (fold_binary): Likewise.
1549 (fold_ternary): Position and size of BIT_FIELD_REFs are
1550 always host integers.
1551 (make_bit_field_ref): Remove.
1552 (optimize_bit_field_compare): Remove.
1553 (all_ones_mask_p): Remove.
1555 2008-03-05 Gabor Loki <loki@gcc.gnu.org>
1558 * rtl-factoring.c (clear_regs_live_in_seq): Fix backward steps.
1559 (split_block_and_df_analyze): New. Split basic block and rebuild
1561 (block_label_after): Use SPLIT_BLOCK_AND_DF_ANALYZE instead of
1563 (split_pattern_seq): Likewise.
1564 (erase_matching_seqs): Likewise.
1565 (split_pattern_seq): Skip return insn in case of REG_NORETURN note.
1567 2008-03-04 Geoff Keating <geoffk@apple.com>
1569 * fold-const.c (tree_single_nonnegative_warnv_p): Fix mixed
1570 declaration and code.
1571 (tree_invalid_nonnegative_warnv_p): Likewise.
1573 2008-03-05 Serge Belyshev <belyshev@depni.sinp.msu.ru>
1575 * doc/install.texi (Testing): Correct quoting for the RUNTESTFLAGS
1576 examples. Truncate option-names then causing overfull hbox.
1578 2008-03-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1581 * configure.ac (CONFIG_SJLJ_EXCEPTIONS): Force SJLJ exceptions
1583 * configure: Rebuilt.
1585 2008-03-04 Rafael Espindola <espindola@google.com>
1587 * fold-const.c (tree_simple_nonnegative_warnv_p): New.
1588 (tree_unary_nonnegative_warnv_p): New.
1589 (tree_binary_nonnegative_warnv_p): New.
1590 (tree_single_nonnegative_warnv_p): New.
1591 (tree_invalid_nonnegative_warnv_p): New.
1592 (tree_expr_nonnegative_warnv_p): Redefine in term of the new functions.
1594 2008-03-04 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1597 * opts.c (handle_option): Postpone 'unknown option' errors only for
1600 2008-03-04 H.J. Lu <hongjiu.lu@intel.com>
1603 * config/i386/smmintrin.h (SIDD_XXX): Renamed to ...
1606 2008-03-04 Rafael Espindola <espindola@google.com>
1608 * fold-const.c (tree_unary_nonzero_warnv_p): New.
1609 (tree_binary_nonzero_warnv_p): New.
1610 (tree_single_nonzero_warnv_p): New.
1611 (tree_expr_nonzero_warnv_p): Redefine using the new functions.
1613 2008-03-04 Uros Bizjak <ubizjak@gmail.com>
1616 * fold-const.c (fold_cond_expr_with_comparison): Prevent
1617 transformations for modes that have signed zeros.
1618 * ifcvt.c (noce_try_abs): Ditto.
1620 2008-03-04 Joseph Myers <joseph@codesourcery.com>
1622 * config/i386/i386.c (override_options): Force
1623 -maccumulate-outgoing-args on if TARGET_STACK_PROBE.
1625 2008-03-04 Jan Hubicka <jh@suse.cz>
1628 * ipa-inline.c (cgraph_decide_inlining_of_small_function): Fix typo
1631 2008-03-04 Danny Smith <dannysmith@users.sourceforge.net>
1633 * config/i386/i386.md (allocate_stack_worker_32): Use __chkstk
1634 label to probe the stack.
1636 2008-03-04 Danny Smith <dannysmith@users.sourceforge.net>
1638 * gthr-win32.h [__GTHREAD_HIDE_WIN32API]
1639 (__gthr_win32_mutex_destroy): Declare.
1640 [__GTHREAD_HIDE_WIN32API] (__gthread_mutex_destroy): Use
1641 __gthr_win32_mutex_destroy.
1642 * config/i386/gthr-win32.c (__gthr_win32_mutex_destroy): Define.
1644 2008-03-03 Jan Hubicka <jh@suse.cz>
1647 * ipa-inline.c (cgraph_decide_inlining_of_small_function): Be more
1648 aggressive on inlining cold calls.
1650 2008-03-03 Richard Guenther <rguenther@suse.de>
1652 * tree-ssa-sccvn.c (visit_reference_op_store): Do not insert
1653 struct copies into the expression table.
1654 (simplify_unary_expression): Handle VIEW_CONVERT_EXPR.
1655 (try_to_simplify): Likewise.
1656 * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPR of
1657 integral and pointer arguments which do not change the
1658 precision to NOP_EXPRs.
1659 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Adjust
1660 VIEW_CONVERT_EXPR case.
1662 2008-03-02 Sebastian Pop <sebastian.pop@amd.com>
1664 * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
1665 defined in a loop at depth 0 is invariant.
1666 * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
1667 * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
1668 be called at loop depth 0.
1670 2008-03-02 Jakub Jelinek <jakub@redhat.com>
1673 * gcc.c (process_command): Update copyright notice dates.
1674 * gcov.c (print_version): Likewise.
1675 * gcov-dump.c (print_version): Likewise.
1676 * mips-tfile.c (main): Likewise.
1677 * mips-tdump.c (main): Likewise.
1679 2008-03-02 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1682 * c-common.c (flag_permissive): Delete.
1683 (constant_expression_warnings): Check flags first.
1684 (constant_expression_error): New.
1685 * c-common.h (flag_permissive): Delete.
1686 (constant_expression_error): Declare.
1687 * flags.h (flag_permissive): Declare. Update description.
1688 * diagnostic.c (pedwarn): Update.
1690 * diagnostic.h: (pedantic_error_kind): Rename as pedantic_warning_kind.
1691 (permissive_error_kind): New.
1692 * toplev.c (flag_permissive): Define. Update description.
1693 * toplev.h (permissive_error_kind): Declare.
1694 * c-errors.c (pedwarn_c99): Use pedantic_warning_kind.
1695 (pedwarn_c90): Use pedantic_warning_kind.
1696 * c-opts.c (c_common_post_options): flag_permissive does not affect
1697 flag_pedantic_errors.
1699 2008-03-02 Joseph Myers <joseph@codesourcery.com>
1701 * libgcc2.c (__addvSI3, __addvsi3, __addvDI3, __subvSI3,
1702 __subvsi3, __subvDI3, __negvSI2, __negvsi2, __negvDI2, __absvSI2,
1703 __absvsi2, __absvDI2): Use unsigned arithmetic.
1705 2008-03-02 Andi Kleen <ak@suse.de>
1706 Richard Guenther <rguenther@suse.de>
1708 * struct-equiv.c: Remove file.
1709 * cfg_cleanup.c (condjump_equiv_p): Remove.
1710 * Makefile.in (OBJS-common): Remove struct-equiv.o.
1711 (struct-equiv.o): Remove rule.
1712 * basic-block.h (struct_equiv_checkpoint, STRUCT_EQUIV_*,
1713 insns_match_p, struct_equiv_block_eq, struct_equiv_init,
1714 rtx_equiv_p, condjump_equiv_p): Remove prototypes.
1716 2008-03-01 Alexandre Oliva <aoliva@redhat.com>
1718 * ifcvt.c (noce_process_if_block): Try to handle only the then
1719 block if the else block exists but isn't suitable.
1721 2008-03-01 Janne Blomqvist <jb@gcc.gnu.org>
1724 * gthr-posix.h (__gthread_mutex_destroy): Remove extra declarations.
1725 * gthr-posix95.h (__gthread_mutex_destroy): Likewise. Note this fixes
1726 regression from previous patch.
1728 2008-03-01 Janne Blomqvist <jb@gcc.gnu.org>
1731 * gthr.h: Add __gthread_mutex_destroy as a function that must be
1733 * gthr-vxworks.h (__gthread_mutex_destroy): Null implementation.
1734 * gthr-single.h (__gthread_mutex_destroy): Likewise.
1735 * gthr-rtems.h (__gthread_mutex_destroy): Likewise.
1736 * gthr-mipssde.h (__gthread_mutex_destroy): Likewise.
1737 * gthr-nks.h (__gthread_mutex_destroy): Likewise.
1738 * gthr-solaris.h (__gthread_mutex_destroy): Call mutex_destroy.
1739 * gthr-win32.h (__GTHREAD_MUTEX_DESTROY_FUNCTION): Remove.
1740 (__gthread_mutex_destroy_function): Rename to
1741 __gthread_mutex_destroy.
1742 * gthr-dce.h (__gthread_mutex_destroy): Call
1743 pthread_mutex_destroy.
1744 * gthr-tpf.h (__gthread_mutex_destroy): Likewise.
1745 * gthr-posix.h (__gthread_mutex_destroy): Likewise.
1746 * gthr-posix95.h (__gthread_mutex_destroy): Likewise.
1748 2008-03-01 Alexandre Oliva <aoliva@redhat.com>
1750 * df-scan.c (df_ref_chain_change_bb): Simplify.
1751 (df_insn_change_bb): Add new_bb argument. Simplify. Call
1752 set_block_for_insn if there's any change.
1753 * df.h ((df_insn_change_bb): Fix prototype.
1754 * cfgrtl.c (update_bb_for_insn_chain): Pass bb to
1755 df_insn_change_bb, don't call set_block_for_insn.
1756 * emit-rtl.c (reorder_insns): Likewise.
1757 * haifa-sched.c (move_insn): Likewise.
1759 2008-03-01 Alexandre Oliva <aoliva@redhat.com>
1761 * rtlanal.c (loc_mentioned_in_p): Test XVECEXPs correctly.
1763 2008-03-01 Alexandre Oliva <aoliva@redhat.com>
1765 * tree-flow-inline.h (next_readonly_imm_use): Return
1766 NULL_USE_OPERAND_P after the end.
1768 2008-03-01 Richard Guenther <rguenther@suse.de>
1770 PR tree-optimization/35411
1771 * tree-sra.c (sra_build_assignment): Split conversion to
1772 final type to a separate statement if we are not assigning
1775 2008-02-29 Francois-Xavier Coudert <coudert@clipper.ens.fr>
1777 * fold-const.c (fold_convertible_p): Correct the logic to follow
1778 that in fold_convert().
1780 2008-02-29 Douglas Gregor <doug.gregor@gmail.com>
1783 * tree-inline.c (build_duplicate_type): When we make a
1784 duplicate type, make it unique in the canonical types system.
1786 2008-02-29 Tom Tromey <tromey@redhat.com>
1788 * toplev.c (input_file_stack, input_file_stack_tick, fs_p,
1789 input_file_stack_history, input_file_stack_restored): Remove.
1790 (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
1791 * input.h (struct file_stack): Remove.
1792 (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
1793 (input_file_stack, input_file_stack_tick, INPUT_FILE_STACK_BITS):
1795 * diagnostic.h (struct diagnostic_context) <last_module>: Change
1797 (diagnostic_last_module_changed): Add 'map' argument.
1798 (diagnostic_set_last_function): Likewise.
1799 * diagnostic.c (undiagnostic_report_current_module): Iterate using
1800 line map, not input_file_stack.
1801 * c-lex.c (fe_file_change): Don't use push_srcloc or pop_srcloc.
1803 2008-02-29 Paul Brook <paul@codesourcery.com>
1805 * config/arm/arm.md (arm_addsi3): Add r/k/n alternative.
1807 2008-02-29 Paul Brook <paul@codesourcery.com>
1809 * config/arm/ieee754-df.S (muldf3): Use RET macros.
1811 2008-02-29 Richard Guenther <rguenther@suse.de>
1813 * tree-ssa-pre.c (get_sccvn_value): Create missing VNs via
1815 * tree-ssa-sccnv.c (visit_reference_op_store): Use the rhs
1816 value for comparing for a store match.
1817 (simplify_unary_expression): Do nothing for SSA_NAMEs.
1818 (try_to_simplify): Do not do a full-blown reference lookup.
1820 2008-02-29 Kaz Kojima <kkojima@gcc.gnu.org>
1822 * config/sh/sh.c (sh_scalar_mode_supported_p): New function.
1823 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
1825 * config/sh/sh.h (OVERRIDE_OPTIONS): Don't warn for profiling.
1827 2008-02-29 Sebastian Pop <sebastian.pop@amd.com>
1829 * tree-loop-linear.c (try_interchange_loops): Compare memory access
1830 strides against cache sizes.
1832 2008-02-29 Kaz Kojima <kkojima@gcc.gnu.org>
1834 * config/sh/sh.c (sh_secondary_reload): Handle loading a float
1837 2008-02-28 Richard Sandiford <rsandifo@nildram.co.uk>
1839 * simplify-rtx.c (simplify_unary_operation_1): Extend the handling
1840 of SUBREG_PROMOTED_VAR_P to cope with cases where the extended value
1841 is smaller than the original promoted value.
1842 (simplify_subreg): If OP is a SUBREG, try to preserve its
1843 SUBREG_PROMOTED_VAR_P information.
1845 2008-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
1847 * tree-ssa-sccvn (vn_ssa_aux_obstack): New obstack.
1848 (VN_INFO_GET): Allocate new objects on the obstack.
1849 (init_scc_vn): Initialize the obstack. Use XDELETE instead of free
1850 for rpo_numbers_temp, for consistency.
1851 (free_scc_vn): Free the obstack.
1853 2008-02-28 Sebastian Pop <sebastian.pop@amd.com>
1855 * doc/invoke.texi: Document -ftree-loop-distribution.
1856 * tree-loop-distribution.c: New.
1857 * tree-pass.h (pass_loop_distribution): New.
1858 * graphds.h (struct graph): Add htab_t indices.
1859 * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
1860 * tree-vectorizer.c (rename_variables_in_loop): Extern.
1861 (slpeel_tree_duplicate_loop_to_edge_cfg): Init PENDING_STMT to NULL.
1862 * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
1863 * tree-data-ref.c (debug_data_dependence_relations): New.
1864 (dump_data_dependence_relation): Also print data references.
1865 (free_data_ref): Extern.
1866 (same_access_functions): Moved...
1867 (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
1868 (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
1869 debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
1870 struct rdg_vertex_info, rdg_vertex_for_stmt): New.
1871 (create_rdg_edge_for_ddr, create_rdg_vertices): Cleaned up.
1872 (stmts_from_loop): Skip LABEL_EXPR.
1873 (hash_stmt_vertex_info, eq_stmt_vertex_info, hash_stmt_vertex_del):
1875 (build_rdg): Initialize rdg->indices htab.
1876 (free_rdg, stores_from_loop, ref_base_address,
1877 rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
1878 have_similar_memory_accesses_1, ref_base_address_1,
1879 remove_similar_memory_refs): New.
1880 * tree-data-ref.h: Depend on tree-chrec.h.
1881 (debug_data_dependence_relations, free_data_ref): Declared.
1882 (same_access_functions): ... here.
1883 (ddr_is_anti_dependent, ddrs_have_anti_deps, ddr_dependence_level):
1885 (struct rdg_vertex): Add has_mem_write and has_mem_reads.
1886 (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT,
1887 RDG_MEM_WRITE_STMT, RDG_MEM_READS_STMT): New.
1888 (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
1889 debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
1890 rdg_vertex_for_stmt): Declared.
1891 (struct rdg_edge): Add level.
1893 (free_rdg, stores_from_loop, remove_similar_memory_refs,
1894 rdg_defs_used_in_other_loops_p, have_similar_memory_accesses):
1896 (rdg_has_similar_memory_accesses): New.
1897 * tree-vect-analyze.c: Remove unused static decls.
1898 * lambda.h (dependence_level): New.
1899 * common.opt (ftree-loop-distribution): New.
1900 * tree-flow.h (mark_virtual_ops_in_bb,
1901 slpeel_tree_duplicate_loop_to_edge_cfg,
1902 rename_variables_in_loop): Declared.
1903 * Makefile.in (TREE_DATA_REF_H): Depend on tree-chrec.h.
1904 (OBJS-common): Add tree-loop-distribution.o.
1905 (tree-loop-distribution.o): New rule.
1906 * tree-cfg.c (mark_virtual_ops_in_bb): New.
1907 (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
1908 * passes.c (init_optimization_passes): Schedule pass_loop_distribution.
1910 2008-02-28 Joseph Myers <joseph@codesourcery.com>
1913 * tree.c (handle_dll_attribute): Disallow TYPE_DECLs for types
1914 other than structures and unions.
1916 2008-02-28 Richard Guenther <rguenther@suse.de>
1919 2008-02-26 Richard Guenther <rguenther@suse.de>
1921 * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
1922 * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
1923 (lookup_decl_from_uid): Declare.
1924 (remove_decl_from_map): Likewise.
1925 * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
1926 * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
1927 (decl_for_uid_map): New global hashtable mapping DECL_UID
1929 (init_ttree): Allocate it.
1930 (insert_decl_to_uid_decl_map): New helper function.
1931 (make_node_stat): Insert new decls into the map.
1932 (copy_node_stat): Likewise.
1933 (lookup_decl_from_uid): New function.
1934 (remove_decl_from_map): Likewise.
1935 (print_decl_for_uid_map_statistics): New helper.
1936 (dump_tree_statistics): Call it.
1938 * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
1939 (referenced_var_iterator): Adjust.
1940 (FOR_EACH_REFERENCED_VAR): Adjust.
1941 (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
1942 (num_referenced_vars): Adjust.
1943 * tree-flow-inline.h (gimple_referenced_vars): Adjust.
1944 (first_referenced_var): Remove.
1945 (end_referenced_vars_p): Likewise.
1946 (next_referenced_var): Likewise.
1947 (referenced_var_iterator_set): New helper function.
1948 * tree-dfa.c (referenced_var_lookup): Adjust.
1949 (referenced_var_check_and_insert): Likewise.
1950 (remove_referenced_var): Likewise.
1951 * tree-ssa.c (verify_flow_insensitive_alias_info): Use
1952 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
1953 (verify_call_clobbering): Likewise.
1954 (verify_memory_partitions): Likewise.
1955 (init_tree_ssa): Allocate bitmap instead of hashtable for
1957 (delete_tree_ssa): Adjust.
1958 * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
1959 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
1960 (compute_tag_properties): Likewise.
1961 (set_initial_properties): Likewise.
1962 (find_partition_for): Likewise.
1963 (update_reference_counts): Likewise.
1964 (dump_may_aliases_for): Likewise.
1965 * tree-ssa-operands.c (add_virtual_operand): Likewise.
1966 (add_call_clobber_ops): Likewise.
1967 (add_call_read_ops): Likewise.
1968 (get_asm_expr_operands): Likewise.
1969 * tree-into-ssa.c (dump_decl_set): Likewise.
1970 (update_ssa): Likewise.
1971 * tree-sra.c (scan_function): Likewise.
1972 (decide_instantiations): Likewise.
1973 (scalarize_parms): Likewise.
1974 * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
1975 (dsa_named_for): Likewise.
1976 * tree-ssa-structalias.c (update_alias_info): Likewise.
1977 (merge_smts_into): Likewise.
1979 2008-02-27 David Daney <ddaney@avtrex.com>
1982 * config/mips/iris.h (MIPS_DEBUGGING_INFO): Define.
1983 * config/mips/openbsd.h (MIPS_DEBUGGING_INFO): Same.
1984 * config/mips/sde.h (MIPS_DEBUGGING_INFO): Remove undef.
1985 * config/mips/vxworks.h (MIPS_DEBUGGING_INFO): Same.
1986 * config/mips/mips.h (MIPS_DEBUGGING_INFO): Remove define.
1988 2008-02-27 Uros Bizjak <ubizjak@gmail.com>
1991 * config/darwin-ppc-ldouble-patch.def (BUILT_IN_NANL): Add.
1992 (BUILT_IN_NEXTTOWARD): Remove.
1993 (BUILT_IN_NEXTTOWARDF): Ditto.
1994 * config/darwin.c (darwin_patch_builtin): Use ACONCAT instead of
1995 alloca/strcpy/strcat. Remove commented-out code. Fix whitespace.
1997 2008-02-27 Tom Tromey <tromey@redhat.com>
1999 * tree-dump.c (dequeue_and_dump) <FUNCTION_DECL>: Check
2000 DECL_SAVED_TREE, not DECL_LANG_SPECIFIC, when dumping body.
2002 2008-02-27 Jan Beulich <jbeulich@novell.com>
2004 * c-decl.c (merge_decls): Use DECL_USER_ALIGN() on olddecl to
2005 update the respective field on newdecl.
2007 2008-02-27 Revital Eres <eres@il.ibm.com>
2009 PR rtl-optimization/34999
2010 * bb-reorder.c (add_labels_and_missing_jumps): Do not handle
2011 crossing edges that ends with a call insn.
2012 (fix_up_fall_thru_edges): Handle crossing edges that ends with a
2013 call insn and clear the EDGE_CROSSING flag of the crossing edge
2014 when fixing fallthru edges.
2016 2008-02-27 Richard Guenther <rguenther@suse.de>
2019 * fold-const.c (fold_unary): Return the correct argument,
2020 converted to the result type.
2022 2008-02-27 Richard Guenther <rguenther@suse.de>
2025 * expr.c (expand_expr_real_1): Assert on rotates that operate
2027 * fold-const.c (fold_binary): Use the types precision, not the
2028 bitsize of the mode if folding rotate expressions. Build rotates
2029 only for full modes.
2031 2008-02-27 Jakub Jelinek <jakub@redhat.com>
2033 * c-ppoutput.c (scan_translation_unit): Handle CPP_PRAGMA
2035 * c-pragma.c (pragma_ns_name): New typedef.
2036 (registered_pp_pragmas): New variable.
2037 (c_pp_lookup_pragma): New function.
2038 (c_register_pragma_1): If flag_preprocess_only, do nothing
2039 for non-expanded pragmas, for expanded ones push pragma's
2040 namespace and name into registered_pp_pragmas vector.
2041 (c_invoke_pragma_handler): Register OpenMP pragmas even when
2042 flag_preprocess_only, don't register GCC pch_preprocess
2043 pragma if flag_preprocess_only.
2044 * c-opts.c (c_common_init): Call init_pragma even if
2045 flag_preprocess_only.
2046 * c-pragma.c (c_pp_lookup_pragma): New prototype.
2047 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS): Don't call
2048 cpp_register_pragma if flag_preprocess_only.
2050 2008-02-26 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2053 * c-parser.c (c_parser_translation_unit): Warn for empty
2054 translation unit, not empty source file.
2056 2008-02-26 Paul Brook <paul@codesourcery.com>
2058 * config/arm/arm.c (thumb_set_frame_pointer): Ensure SP is first
2059 operand for Thumb-2.
2060 * config/arm/arm.h (reg_class): Add CORE_REGS.
2061 (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Ditto.
2062 (BASE_REG_CLASS): Use CORE_REGS.
2063 (PREFERRED_RELOAD_CLASS): Add STACK_REG.
2064 (REGNO_MODE_OK_FOR_REG_BASE_P): Use REGNO_MODE_OK_FOR_BASE_P.
2065 (REGNO_OK_FOR_INDEX_P): Exclude SP.
2066 (ARM_REG_OK_FOR_INDEX_P): Always define. Use
2067 ARM_REGNO_OK_FOR_INDEX_P.
2068 (ARM_PRINT_OPERAND_ADDRESS): Swap operands for [reg, sp].
2069 * config/arm/arm.md (arm_addsi3, thumb1_addsi3, arm_subsi3_insn,
2070 arm_movsi_insn, thumb1_movsi_insni, stack_tie): Add "k" alternatives.
2071 (ldm/stm peepholes): Ditto.
2072 * config/arm/thumb2.md (thumb2_movdi): Add "k" alternatives.
2073 * config/arm/vfp.md (arm_movsi_vfp, thumb2_movsi_vfp): Ditto.
2074 * config/arm/iwmmxt.md (iwmmxt_movsi_insn): Ditto.
2075 * config/arm/constraints.md: Enable "k" constraint on ARM.
2077 2008-02-27 Ben Elliston <bje@au.ibm.com>
2079 * config/rs6000/rs6000.c: Annotate cache line size field in all
2080 instances of struct processor_costs.
2082 2008-02-26 David Edelsohn <edelsohn@gnu.org>
2084 * dbgcnt.def (cfg_cleanup, cprop1, cprop2, dce_fast, dce_ud, dse1,
2085 dse2, gcse, if_conversion, if_after_combine, if_after_reload,
2086 jump_bypass): New counters.
2087 * cfgcleanup.c (cleanup_cfg): Add dbg_cnt.
2088 * dce.c (gate_ud_dce): Same.
2089 (gate_fast_dce): Same.
2090 * dse.c (gate_dse1): New function.
2091 (gate_dse2): New function.
2092 (gate_dse): Merge results of new gate functions.
2093 * gcse.c (gcse_main): Bracket cprop1 and cprop2 with dbg_cnt.
2094 (gate_handle_jump_bypass): Add dbg_cnt.
2095 (gate_handle_gcse): Add dbg_cnt.
2096 * ifcvt.c (gate_handle_if_conversion): Same.
2097 (gate_handle_if_after_combine): Same.
2098 (gate_handle_if_after_reload): Same.
2099 * Makefile.in: Add DBGCNT_H to cfgcleanup.o and ifcvt.o.
2101 2008-02-26 Edmar Wienskoski <edmar@freescale.com>
2103 * config/rs6000/rs6000.c (processor_costs): Update e300 cache
2105 * doc/invoke.texi: Add e300c2 and e300c3 to list of cpus.
2107 2008-02-26 Jason Merrill <jason@redhat.com>
2110 * attribs.c (decl_attributes): Leave ATTR_FLAG_TYPE_IN_PLACE
2111 alone if it's the naming decl for the type's main variant.
2113 2008-02-26 Tom Tromey <tromey@redhat.com>
2115 * system.h (USE_MAPPED_LOCATION): Poison.
2116 * Makefile.in (GTFILES): Put CPP_ID_DATA_H first.
2117 * tree-cfg.c (make_cond_expr_edges): Remove old location code.
2118 (make_goto_expr_edges): Likewise.
2119 (remove_bb): Likewise.
2120 (execute_warn_function_return): Likewise.
2121 * basic-block.h (struct edge_def) <goto_locus>: Change type to
2123 * c-common.c (fname_decl): Remove old location code.
2124 * tree-vect-transform.c (vect_finish_stmt_generation): Remove old
2126 * rtl.h (ASM_OPERANDS_SOURCE_LOCATION): Remove old-location
2128 (ASM_INPUT_SOURCE_LOCATION): Likewise.
2129 (gen_rtx_ASM_INPUT): Likewise.
2130 (gen_rtx_ASM_INPUT_loc): Likewise.
2131 (get_rtx_asm_OPERANDS): Remove.
2132 * cfglayout.c (insn_locators_alloc): Remove old location code.
2133 (set_curr_insn_source_location): Likewise.
2134 (curr_insn_locator): Likewise.
2135 * print-tree.c (print_node): Remove old location code.
2136 * tree-mudflap.c (mf_varname_tree): Remove old location code.
2137 (mf_file_function_line_tree): Remove test of USE_MAPPED_LOCATION.
2138 * cfgexpand.c (expand_gimple_cond_expr): Don't use
2139 location_from_locus.
2140 (construct_exit_block): Remove old location code.
2141 * emit-rtl.c (force_next_line_note): Remove old location code.
2142 * profile.c (branch_prob): Remove old location code.
2143 * tree-vectorizer.h (LOC, UNKNOWN_LOC, EXPR_LOC, LOC_FILE,
2144 LOC_LINE): Remove old-location variants.
2145 * langhooks.c (lhd_print_error_function): Remove old location
2147 * configure, config.in: Rebuilt.
2148 * configure.ac (--enable-mapped-location): Remove.
2149 * c-decl.c (c_init_decl_processing): Remove old location code.
2150 (finish_function): Likewise.
2151 * recog.c (decode_asm_operands): Remove old location code.
2152 * c-pch.c (c_common_read_pch): Remove old location code.
2153 * rtl.def (ASM_INPUT, ASM_OPERANDS): Remove old location
2155 * gimple-low.c (lower_function_body): Remove old location code.
2156 * toplev.c (unknown_location): Remove.
2157 (push_srcloc): Remove old-location variant.
2158 (process_options): Remove old location code.
2159 (lang_dependent_init): Likewise.
2160 * input.h (UNKNOWN_LOCATION): Move definition.
2161 (location_t): Undeprecate.
2162 (source_locus): Remove.
2163 (location_from_locus): Remove.
2164 (struct location_s): Remove.
2165 Remove all old-location code.
2166 (input_line, input_filename): Remove.
2167 * final.c (final_scan_insn): Remove old location code.
2168 * diagnostic.c (diagnostic_build_prefix): Remove
2169 USE_MAPPED_LOCATION test.
2170 * tree.h (gimple_stmt) <locus>: Now a location_t.
2171 (tree_exp) <locus>: Likewise.
2172 (DECL_IS_BUILTIN): Remove old-location variant.
2173 (annotate_with_file_line, annotate_with_locus): Likewise.
2174 (expr_locus, set_expr_locus): Update.
2175 * tree.c (build1_stat): Remove old location code.
2176 (last_annotated_node): Remove.
2177 (annotate_with_file_line): Remove old-location variant.
2178 (annotate_with_locus): Likewise.
2179 (expr_location): Remove old location code.
2180 (set_expr_location): Likewise.
2181 (expr_has_location): Likewise.
2182 (expr_locus): Likewise.
2183 (set_expr_locus): Likewise.
2184 (expr_filename): Don't use location_from_locus.
2185 (expr_lineno): Likewise.
2186 * rtl-error.c (location_for_asm): Remove old location code.
2187 * c-lex.c (cb_line_change): Remove old location code.
2188 (fe_file_change): Likewise.
2189 (cb_def_pragma): Likewise.
2190 (c_lex_with_flags): Likewise.
2191 * gengtype.c (do_typedef): Don't special-case location types.
2192 (define_location_structures): Remove.
2193 (main): Don't call define_location_structures.
2194 * tree-pretty-print.c (dump_implicit_edges): Remove old location
2197 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2200 * builtins.def (BUILT_IN_STDARG_START): Remove.
2201 * builtins.c (expand_builtin): Remove BUILT_IN_STDARG_START.
2202 * tree-stdarg.c (execute_optimize_stdarg): Likewise.
2203 * tree-inline.c (inline_forbidden_p_1): Likewise.
2205 2008-02-26 Richard Guenther <rguenther@suse.de>
2207 * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
2208 * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
2209 (lookup_decl_from_uid): Declare.
2210 (remove_decl_from_map): Likewise.
2211 * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
2212 * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
2213 (decl_for_uid_map): New global hashtable mapping DECL_UID
2215 (init_ttree): Allocate it.
2216 (insert_decl_to_uid_decl_map): New helper function.
2217 (make_node_stat): Insert new decls into the map.
2218 (copy_node_stat): Likewise.
2219 (lookup_decl_from_uid): New function.
2220 (remove_decl_from_map): Likewise.
2221 (print_decl_for_uid_map_statistics): New helper.
2222 (dump_tree_statistics): Call it.
2224 * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
2225 (referenced_var_iterator): Adjust.
2226 (FOR_EACH_REFERENCED_VAR): Adjust.
2227 (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
2228 (num_referenced_vars): Adjust.
2229 * tree-flow-inline.h (gimple_referenced_vars): Adjust.
2230 (first_referenced_var): Remove.
2231 (end_referenced_vars_p): Likewise.
2232 (next_referenced_var): Likewise.
2233 (referenced_var_iterator_set): New helper function.
2234 * tree-dfa.c (referenced_var_lookup): Adjust.
2235 (referenced_var_check_and_insert): Likewise.
2236 (remove_referenced_var): Likewise.
2237 * tree-ssa.c (verify_flow_insensitive_alias_info): Use
2238 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2239 (verify_call_clobbering): Likewise.
2240 (verify_memory_partitions): Likewise.
2241 (init_tree_ssa): Allocate bitmap instead of hashtable for
2243 (delete_tree_ssa): Adjust.
2244 * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
2245 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2246 (compute_tag_properties): Likewise.
2247 (set_initial_properties): Likewise.
2248 (find_partition_for): Likewise.
2249 (update_reference_counts): Likewise.
2250 (dump_may_aliases_for): Likewise.
2251 * tree-ssa-operands.c (add_virtual_operand): Likewise.
2252 (add_call_clobber_ops): Likewise.
2253 (add_call_read_ops): Likewise.
2254 (get_asm_expr_operands): Likewise.
2255 * tree-into-ssa.c (dump_decl_set): Likewise.
2256 (update_ssa): Likewise.
2257 * tree-sra.c (scan_function): Likewise.
2258 (decide_instantiations): Likewise.
2259 (scalarize_parms): Likewise.
2260 * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
2261 (dsa_named_for): Likewise.
2262 * tree-ssa-structalias.c (update_alias_info): Likewise.
2263 (merge_smts_into): Likewise.
2265 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2268 * doc/invoke.texi (-Wall): Add -Wvolatile-register-var.
2269 * c-opts.c (c_common_handle_option): Wall enables
2270 Wvolatile-register-var.
2271 * common.opt: Move Wvolatile-register-var to...
2274 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2276 * common.opt (Wlarger-than=): New.
2277 * doc/invoke.texi (Warning Options): Replace -Wlarger-than- with
2279 * opts.c (common_handle_option): Handle -Wlarger-than=.
2280 * optc-gen.awk: Likewise.
2281 * opth-gen.awk: Likewise.
2282 * stor-layout.c (layout_decl): Use -Wlarger-than= for warning.
2283 * tree-optimize.c (tree_rest_of_compilation): Likewise.
2285 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2287 * c-common.c (match_case_to_enum_1): Add appropriate
2288 OPT_W* parameter to warning.
2289 (c_do_switch_warnings): Likewise.
2290 * c-typeck.c (warning_init): Add one more parameter following
2292 (push_init_level): Update call to warning_init.
2293 (pop_init_level): Likewise.
2294 (add_pending_init): Likewise.
2295 (output_init_element: Likewise.
2297 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2300 * toplev.c (toplev_main): If there are warnings or error, print
2301 errors for ignored options.
2302 * opts.c (ignored_options): New static variable.
2303 (postpone_unknown_option_error): New.
2304 (print_ignored_options): New.
2305 (handle_option): Postpone errors for unknown -Wno-* options.
2306 * opts.h (print_ignored_options): Declare.
2308 2008-02-25 Richard Sandiford <rsandifo@nildram.co.uk>
2310 * config/mips/mips.md (loadgp_blockage, blockage): Change type
2313 2008-02-25 Richard Guenther <rguenther@suse.de>
2316 2008-02-25 Richard Guenther <rguenther@suse.de>
2318 * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
2319 * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
2320 (lookup_decl_from_uid): Declare.
2321 * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
2322 * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
2323 (decl_for_uid_map): New global hashtable mapping DECL_UID
2325 (init_ttree): Allocate it.
2326 (insert_decl_to_uid_decl_map): New helper function.
2327 (make_node_stat): Insert new decls into the map.
2328 (copy_node_stat): Likewise.
2329 (lookup_decl_from_uid): New function.
2330 (print_decl_for_uid_map_statistics): New helper.
2331 (dump_tree_statistics): Call it.
2333 * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
2334 (referenced_var_iterator): Adjust.
2335 (FOR_EACH_REFERENCED_VAR): Adjust.
2336 (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
2337 (num_referenced_vars): Adjust.
2338 * tree-flow-inline.h (gimple_referenced_vars): Adjust.
2339 (first_referenced_var): Remove.
2340 (end_referenced_vars_p): Likewise.
2341 (next_referenced_var): Likewise.
2342 (referenced_var_iterator_set): New helper function.
2343 * tree-dfa.c (referenced_var_lookup): Adjust.
2344 (referenced_var_check_and_insert): Likewise.
2345 (remove_referenced_var): Likewise.
2346 * tree-ssa.c (verify_flow_insensitive_alias_info): Use
2347 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2348 (verify_call_clobbering): Likewise.
2349 (verify_memory_partitions): Likewise.
2350 (init_tree_ssa): Allocate bitmap instead of hashtable for
2352 (delete_tree_ssa): Adjust.
2353 * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
2354 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2355 (compute_tag_properties): Likewise.
2356 (set_initial_properties): Likewise.
2357 (find_partition_for): Likewise.
2358 (update_reference_counts): Likewise.
2359 (dump_may_aliases_for): Likewise.
2360 * tree-ssa-operands.c (add_virtual_operand): Likewise.
2361 (add_call_clobber_ops): Likewise.
2362 (add_call_read_ops): Likewise.
2363 (get_asm_expr_operands): Likewise.
2364 * tree-into-ssa.c (dump_decl_set): Likewise.
2365 (update_ssa): Likewise.
2366 * tree-sra.c (scan_function): Likewise.
2367 (decide_instantiations): Likewise.
2368 (scalarize_parms): Likewise.
2369 * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
2370 (dsa_named_for): Likewise.
2371 * tree-ssa-structalias.c (update_alias_info): Likewise.
2372 (merge_smts_into): Likewise.
2374 2008-02-25 Janne Blomqvist <jb@gcc.gnu.org>
2377 * doc/invoke.texi (-fcx-limited-range): Document new option.
2378 * toplev.c (process_options): Handle -fcx-fortran-rules.
2379 * common.opt: Add documentation for -fcx-fortran-rules.
2381 2008-02-25 Janne Blomqvist <jb@gcc.gnu.org>
2384 * doc/invoke.texi (-fcx-limited-range): Correct to be in line with
2385 actual behaviour and C99.
2387 2008-02-26 Ben Elliston <bje@au.ibm.com>
2389 * config/rs6000/rs6000.h (ASM_CPU_POWER5_SPEC): Define.
2390 (ASM_CPU_POWER6_SPEC): Likewise.
2391 (ASM_CPU_SPEC): Pass %(asm_cpu_power5) for -mcpu=power5.
2392 Likewise, pass %(asm_cpu_power6) for -mcpu=power6.
2393 (EXTRA_SPECS): Add asm_cpu_power5, asm_cpu_power6 spec strings.
2395 2008-02-25 Richard Guenther <rguenther@suse.de>
2397 * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
2398 * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
2399 (lookup_decl_from_uid): Declare.
2400 * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
2401 * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
2402 (decl_for_uid_map): New global hashtable mapping DECL_UID
2404 (init_ttree): Allocate it.
2405 (insert_decl_to_uid_decl_map): New helper function.
2406 (make_node_stat): Insert new decls into the map.
2407 (copy_node_stat): Likewise.
2408 (lookup_decl_from_uid): New function.
2409 (print_decl_for_uid_map_statistics): New helper.
2410 (dump_tree_statistics): Call it.
2412 * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
2413 (referenced_var_iterator): Adjust.
2414 (FOR_EACH_REFERENCED_VAR): Adjust.
2415 (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
2416 (num_referenced_vars): Adjust.
2417 * tree-flow-inline.h (gimple_referenced_vars): Adjust.
2418 (first_referenced_var): Remove.
2419 (end_referenced_vars_p): Likewise.
2420 (next_referenced_var): Likewise.
2421 (referenced_var_iterator_set): New helper function.
2422 * tree-dfa.c (referenced_var_lookup): Adjust.
2423 (referenced_var_check_and_insert): Likewise.
2424 (remove_referenced_var): Likewise.
2425 * tree-ssa.c (verify_flow_insensitive_alias_info): Use
2426 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2427 (verify_call_clobbering): Likewise.
2428 (verify_memory_partitions): Likewise.
2429 (init_tree_ssa): Allocate bitmap instead of hashtable for
2431 (delete_tree_ssa): Adjust.
2432 * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
2433 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2434 (compute_tag_properties): Likewise.
2435 (set_initial_properties): Likewise.
2436 (find_partition_for): Likewise.
2437 (update_reference_counts): Likewise.
2438 (dump_may_aliases_for): Likewise.
2439 * tree-ssa-operands.c (add_virtual_operand): Likewise.
2440 (add_call_clobber_ops): Likewise.
2441 (add_call_read_ops): Likewise.
2442 (get_asm_expr_operands): Likewise.
2443 * tree-into-ssa.c (dump_decl_set): Likewise.
2444 (update_ssa): Likewise.
2445 * tree-sra.c (scan_function): Likewise.
2446 (decide_instantiations): Likewise.
2447 (scalarize_parms): Likewise.
2448 * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
2449 (dsa_named_for): Likewise.
2450 * tree-ssa-structalias.c (update_alias_info): Likewise.
2451 (merge_smts_into): Likewise.
2453 2008-02-25 Andreas Krebbel <krebbel1@de.ibm.com>
2456 * cse.c (cse_insn): Avoid creation of overlapping MEMs.
2457 * alias.c (nonoverlapping_memrefs_p): Export for use in other modules.
2458 * alias.h (nonoverlapping_memrefs_p): Likewise.
2460 2008-02-25 Jan Beulich <jbeulich@novell.com>
2462 * Makefile.in: Also prefix uses of crt0.o and mcrt0.o with $(T).
2463 * config/i386/netware-libgcc.exp: Add __bswap?i2,
2464 __emultls_get_address, __emultls_register_common,
2465 __floatundi?f, and _Unwind_GetIPInfo.
2466 * config/i386/netware.c (gen_stdcall_or_fastcall_decoration):
2467 Sync with config/i386/winnt.c:gen_stdcall_or_fastcall_suffix().
2468 (gen_regparm_prefix): Likewise.
2469 (i386_nlm_encode_section_info): Sync with
2470 config/i386/winnt.c:i386_pe_encode_section_info().
2471 (i386_nlm_maybe_mangle_decl_assembler_name): New.
2472 i386_nlm_mangle_decl_assembler_name): New.
2473 (netware_override_options): New.
2474 * config/i386/netware.h (netware_override_options): Declare.
2475 (OVERRIDE_OPTIONS): Re-define to netware_override_options.
2476 (i386_nlm_mangle_decl_assembler_name): Declare.
2477 (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Define.
2479 2008-02-25 Ben Elliston <bje@au.ibm.com>
2482 * c-decl.c (grokdeclarator): Remove unused local variables
2483 `typedef_type' and `type_as_written'.
2485 (find_rarely_executed_basic_blocks_and_crossing_edges): Remove
2486 unused local variable `has_hot_blocks'.
2487 (fix_crossing_conditional_branches): Remove unused local variable
2490 2008-02-25 Uros Bizjak <ubizjak@gmail.com>
2493 * builtins.def (BUILT_IN_NAN): Define as c99 builtin
2494 using DEF_C99_BUILTIN.
2495 (BUILT_IN_NANF): Ditto.
2496 (BUILT_IN_NANL): Ditto.
2498 2008-02-25 Ayal Zaks <zaks@il.ibm.com>
2499 Revital Eres <eres@il.ibm.com>
2501 * modulo-sched.c (calculate_must_precede_follow): Address TODO
2502 regarding the order of two dependent insns in the same row.
2504 2008-02-25 Eric Botcazou <ebotcazou@adacore.com>
2506 * stor-layout.c (layout_decl): Do not bump the alignment of a
2507 bit-field to more than byte alignment if it is packed.
2509 2008-02-24 David Edelsohn <edelsohn@gnu.org>
2511 * config/rs6000/rs6000.c (processor_costs): Add cache costs for
2514 2008-02-24 Diego Novillo <dnovillo@google.com>
2516 http://gcc.gnu.org/ml/gcc-patches/2008-02/msg01094.html
2519 * tree-vrp.c (vrp_evaluate_conditional): With
2520 -Wtype-limits, emit a warning when comparing against a
2521 constant outside the natural range of OP0's type.
2522 * c.opt (Wtype-limits): Move ...
2523 * common.opt (Wtype-limits): ... here.
2525 2008-02-24 Edmar Wienskoski <edmar@freescale.com>
2527 * config.gcc (powerpc*-*-*): Add new cores e300c2 and e300c3.
2528 * config/rs6000/e300c2c3.md: New file.
2529 * config/rs6000/rs6000.c (processor_costs): Add new costs for
2531 (rs6000_override_options): Add e300c2 and e300c3 cases to
2532 processor_target_table. Do not allow usage of Altivec or Spe
2533 with e300 cores. Initialize rs6000_cost for e300c2 and e300c3.
2534 (rs6000_issue_rate): Set issue rate for e300c2 and e300c3.
2535 * config/rs6000/rs6000.h (processor_type): Add
2536 PROCESSOR_PPCE300C2 and PROCESSOR_PPCE300C3.
2537 (ASM_CPU_SPEC): Add e300c2 and e300c3.
2538 * config/rs6000/rs6000.md (define_attr "cpu"): Add ppce300c2
2539 and ppce300c3. Include e300c2c3.md.
2541 2008-02-23 David Edelsohn <edelsohn@gnu.org>
2543 * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Use STRICT_ALIGNMENT
2544 instead of TARGET_STRICT_ALIGN.
2546 2008-02-23 Joseph Myers <joseph@codesourcery.com>
2548 * explow.c (memory_address): Assert that the generated address is
2551 2008-02-23 Francois-Xavier Coudert <coudert@clipper.ens.fr>
2554 * config/darwin-protos.h: Add darwin_patch_builtins prototype.
2555 * config/darwin-ppc-ldouble-patch.def: New file.
2556 * config/rs6000/darwin.h (SUBTARGET_INIT_BUILTINS): New macro.
2557 * config/rs6000/rs6000.c (rs6000_init_builtins): Call
2558 SUBTARGET_INIT_BUILTINS if defined.
2559 * config/darwin.c (darwin_patch_builtin, darwin_patch_builtins):
2562 2008-02-23 Andrew Pinski <andrew_pinski@playstation.sony.com>
2565 * simplify-rtx.c (simplify_binary_operation_1): Add simplification
2566 of (and X (ior (not X) Y) and (and (ior (not X) Y) X).
2568 2008-02-23 Andrew Pinski <andrew_pinski@playstation.sony.com>
2571 * c-pch.c (c_common_valid_pch): Make the "too short to be a PCH
2572 file" warning condtional on -Winvalid-PCH.
2574 2008-02-23 Daniel Jacobowitz <dan@codesourcery.com>
2576 * expmed.c (extract_bit_field): Always use adjust_address for MEM.
2578 2008-02-23 Uros Bizjak <ubizjak@gmail.com>
2582 * config/i386/mmx.md (*mov<mode>_internal_rex64): Use "!y" to
2583 prevent reload from using MMX registers.
2584 (*mov<mode>_internal): Ditto.
2585 (*movv2sf_internal_rex64): Ditto.
2586 (*movv2sf_internal): Ditto.
2588 2008-02-23 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2590 PR documentation/31569
2591 * doc/install.texi2html: Use makeinfo --no-number-sections.
2593 2008-02-22 Nathan Froyd <froydnj@codesourcery.com>
2595 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check to
2596 ensure that we can address an entire entity > 8 bytes. Don't
2597 generate reg+reg addressing for such data.
2599 2008-02-22 Nathan Froyd <froydnj@codesourcery.com>
2601 * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Don't overalign
2602 strings when optimizing for size, unless the target cares about
2605 2008-02-22 Tom Tromey <tromey@redhat.com>
2607 * regclass.c (current_pass): Remove declaration.
2609 2008-02-22 Anatoly Sokolov <aesok@post.ru>
2611 * config/avr/libgcc.S (__RAMPZ__): Define.
2612 (__do_copy_data): Add for devices with 128KB code memory.
2614 2008-02-22 Nathan Froyd <froydnj@codesourcery.com>
2616 * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
2618 * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Likewise.
2620 2008-02-22 Hans-Peter Nilsson <hp@axis.com>
2622 * config/cris/cris.h (REG_CLASS_FROM_LETTER): Recognize 'b' for
2625 2008-02-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2628 * c-typeck.c (build_binary_op): Warn about floating point
2629 comparisons if FLOAT_TYPE_P, not only for REAL_TYPE.
2631 2008-02-21 Janis Johnson <janis187@us.ibm.com>
2634 * config/rs6000/rs6000.c (rs6000_altivec_abi): Clarify comment.
2635 (rs6000_explicit_options): Split abi into spe_abi and altivec_abi,
2637 (rs6000_override_options): Set altivec_abi as default, not override,
2638 for 64-bit GNU/Linux; for 32-bit GNU/Linux default to altivec_abi for
2639 TARGET_ALTIVEC; default to TARGET_ALTIVEC_VRSAVE when AltiVec ABI
2640 is used; use new member spe_abi.
2641 (rs6000_handle_option): Set rs6000_explicit_options.vrsave; use
2642 spe_abi and altivec_abi.
2644 2008-02-22 Tomas Bily <tbily@suse.cz>
2646 * tree-vectorizer.c (vect_is_simple_reduction): Fix comment typo.
2648 2008-02-21 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2651 * config.build (build_file_translate): Set to `CMD //c' only if
2653 * Makefile.in (build_file_translate): Improve comment.
2655 2008-02-21 Jan Hubicka <jh@suse.cz>
2657 * predict.def (PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL,
2658 PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL, PRED_CALL,
2659 PRED_TREE_EARLY_RETURN, PRED_NULL_RETURN): Update.
2661 2008-02-21 Michael Matz <matz@suse.de>
2664 * config/i386/i386.c (ix86_expand_branch): Add missing breaks.
2666 2008-02-21 Uros Bizjak <ubizjak@gmail.com>
2668 * config/i386/i386.md (mov<mode>cc): Macroize expander from movsfcc,
2669 movdfcc and movxfcc using X87MODEF mode iterator and SSE_FLOAT_MODE_P
2671 * config/i386/sse.md (<sse>_movup<ssemodesuffixf2c>): Macroize insn
2672 from sse_movups adn sse2_movupd using SSEMODEF2P mode iterator and
2673 SSE_VEC_FLOAT_MODE_P as insn constraint.
2674 (<sse>_movmskp<ssemodesuffixf2c>): Ditto from similar patterns.
2675 (sse4a_movnt<mode>): Macroize insn from sse4a_movntsf and
2676 sse4a_movntdf using MODEF mode iterator.
2677 (sse4a_vmmovnt<mode>): Macroize insn form sse4a_vmmovntv2df and
2678 sse4a_vmmovntv4sf using SSEMODEF2P mode iterator.
2679 (sse4_1_blendp<ssemodesuffixf2c>): Ditto from similar patterns.
2680 (sse4_1_blendvp<ssemodesuffixf2c>): Ditto.
2681 (sse4_1_dpp<ssemodesuffixf2c>): Ditto.
2682 (sse4_1_roundp<ssemodesuffixf2c>): Ditto.
2683 (sse4_1_rounds<ssemodesuffixf2c>): Ditto.
2685 2008-02-21 Richard Guenther <rguenther@suse.de>
2687 * tree.def (PAREN_EXPR): New tree code.
2688 * fold-const.c (fold_unary): Remove PAREN_EXPR around constants
2690 * tree-pretty-print.c (dump_generic_node): Handle PAREN_EXPR.
2691 * expr.c (expand_expr_real_1): Likewise.
2692 * tree-inline.c (estimate_num_insns_1): Likewise.
2693 * tree-complex.c (expand_complex_move): Likewise.
2694 * tree-vectorizer.c (vect_is_simple_use): Treat PAREN_EXPR (x)
2697 2008-02-20 Kaz Kojima <kkojima@gcc.gnu.org>
2700 * config/sh/sh.c (find_barrier): Don't go past 'from' argument.
2702 2008-02-20 Kaz Kojima <kkojima@gcc.gnu.org>
2705 * config/sh/sh.md (jump_compact): Disable for crossing jumps.
2707 * config/sh/sh.c (find_barrier): Don't go past
2708 NOTE_INSN_SWITCH_TEXT_SECTIONS note.
2710 2008-02-20 DJ Delorie <dj@redhat.com>
2712 * config/h8300/h8300.md (insv): Force source operand to be a register.
2714 * config/h8300/h8300.c (h8300_expand_epilogue): Emit return insn
2715 as a jump, not as a plain insn.
2717 2008-02-20 Seongbae Park <seongbae.park@gmail.com>
2719 * doc/invoke.texi (Warning Options): Add new option
2720 -Wframe-larger-than=.
2721 (-Wframe-larger-than): Document.
2723 * flags.h (warn_frame_larger_than, frame_larger_than_size):
2724 Add declarations for new option variables.
2726 * final.c (final_start_function): Check the frame size
2727 before emission and issue a Wframe-larger-than warning.
2729 * opts.c (warn_frame_larger_than, frame_larger_than_size):
2730 Add definitions for new option variables.
2731 (common_handle_option): Handle new option OPT_Wframe_larger_than_.
2733 * common.opt (Wframe-larger-than=): New option.
2735 2008-02-20 Uros Bizjak <ubizjak@gmail.com>
2737 * config/i386/sse.md (<sse>_vmmul<mode>3): Fix typo in asm template.
2738 (<sse>_div<mode>3): Ditto.
2739 (<sse>_vmdiv<mode>3): Ditto.
2740 (<sse>_vmsqrt<mode>2): Ditto.
2741 (*smax<mode>3): Ditto.
2742 (sse5_frcz<mode>2): Ditto.
2743 (sse5_vmfrcz<mode>2): Ditto. Use TARGET_SSE5 instead of TARGET_ROUND
2746 2008-02-20 Richard Guenther <rguenther@suse.de>
2749 * builtins.c (validate_arg): If we want an INTEGER_TYPE,
2750 be happy with INTEGRAL_TYPE_P.
2752 2008-02-20 Richard Guenther <rguenther@suse.de>
2754 * fold-const.c (split_tree): Associate floatig-point expressions
2755 if flag_associative_math is set.
2757 2008-02-20 Richard Guenther <rguenther@suse.de>
2759 * tree.h (fold_real_zero_addition_p): Declare.
2760 * fold-const.c (fold_real_zero_addition_p): Export.
2761 * tree-ssa-reassoc.c (eliminate_using_constants): Also handle
2762 floating-point operations with zero and one.
2764 2008-02-20 Paolo Bonzini <bonzini@gnu.org>
2766 * doc/install.texi: Correct references to CFLAGS, replacing them
2767 with BOOT_CFLAGS. Document flags used during bootstrap for
2770 2008-02-20 Uros Bizjak <ubizjak@gmail.com>
2772 * config/i386/i386.h (SSE_VEC_FLOAT_MODE_P): New define.
2773 * config/i386/i386.md (*sse_setcc<mode>): Macroize from *sse_setccsf
2774 and *sse_setccdf using MODEF mode iterator and SSE_FLOAT_MODE_P as
2776 (smin<mode>3): Ditto from similar patterns.
2777 (smax<mode>3): Ditto.
2778 (*ieee_smin<mode>3): Ditto.
2779 (*ieee_smax<mode>3): Ditto.
2780 * config/i386/sse.md (sse): New mode attribute.
2781 (mov<mode>): Macroize expander from movv4sf and movv2df using
2782 SSEMODEF2P mode iterator.
2783 (<sse>_movnt<mode>): Ditto from similar patterns. Use
2784 SSE_VEC_FLOAT_MODE_P as insn constraint.
2785 (storent<mode>): Ditto.
2786 (storent<mode>): Macroize expander from storentsf and storentdf using
2787 MODEF mode iterator.
2788 (neg<mode>2): Macroize from negv4sf2 and negv2df2 using SSEMODEF2P
2789 mode iterator and SSE_VEC_FLOAT_MODE_P as insn constraint.
2790 (abs<mode>2): Ditto from similar patterns.
2791 (add<mode>3, *add<mode>3, <sse>_vmadd<mode>3): Ditto.
2792 (sub<mode>3, *sub<mode>3, <sse>_vmsub<mode>3): Ditto.
2793 (<sse>_div<mode>3, <sse>_vmdiv<mode>3): Ditto.
2794 (<sse>_vmsqrt<mode>2): Ditto.
2795 (smin<mode>3, *smin<mode>3_finite, *smin<mode>3)
2796 (<sse>_vmsmin<mode>3, *ieee_smin<mode>3): Ditto.
2797 (smax<mode>3, *smax<mode>3_finite, *smax<mode>3)
2798 (<sse>_vmsmax<mode>3, *ieee_smax<mode>3): Ditto.
2799 (<sse>_maskcmp<mode>3): Macroize from sse_maskcmpv4sf3,
2800 sse_maskcmpsf3, sse2_maskcmpv2df3 and sse2_maskcmpdf3 using SSEMODEF4
2801 mode iterator. Use SSE_FLOAT_MODE_P with SSE_VEC_FLOAT_MODE_P as
2803 (<sse>_comi): Macroize from sse_comi and sse2_comi using MODEF mode
2804 iterator and SSE_FLOAT_MODE_P as insn constraint.
2805 (<sse>_ucomi): Ditto from similar patterns.
2806 (<sse>_vmmaskcmp<mode>3): Macroize from sse_vmmaskcmpv4sf3 and
2807 sse2_vmmaskcmpv2df3 using SSEMODEF2P mode iterator and
2808 SSE_VEC_FLOAT_MODE_P as insn constraint.
2809 (vcond<mode>): Ditto from similar patterns.
2810 (and<mode>3, *and<mode>3): Ditto.
2811 (<sse>_nand<mode>3): Ditto.
2812 (ior<mode>3, *ior<mode>3): Ditto.
2813 (xor<mode>3, *xor<mode>3): Ditto.
2814 (*and<mode>3): Macroize from *andsf3 and *anddf3 using MODEF mode
2815 iterator and SSE_FLOAT_MODE_P as insn constraint.
2816 (*nand<mode>3): Ditto from similar patterns.
2817 (*ior<mode>3): Ditto.
2818 (*xor<mode>3): Ditto.
2820 2008-02-20 Ira Rosen <irar@il.ibm.com>
2822 * config/spu/spu.md (vec_unpacku_hi_v8hi, vec_unpacku_lo_v8hi,
2823 vec_unpacks_hi_v8hi, vec_unpacks_lo_v8hi, vec_unpacku_hi_v16qi,
2824 vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi): Implement.
2826 2008-02-19 Jan Hubicka <jh@suse.cz>
2828 * predict.c (tree_bb_level_predictions): Remove variable next
2829 mistakely introduced by previous commit.
2831 2008-02-19 Jan Hubicka <jh@suse.cz>
2833 * predict.c (predict_paths_leading_to): Rewrite.
2834 (predict_paths_for_bb): New.
2835 (tree_bb_level_predictions): Update call of predict_paths_leading_to.
2837 2008-02-19 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2840 * Makefile.in (build_file_translate): New.
2841 (gcc-vers.texi): Use it for translating $(abs_srcdir).
2842 * config.build (build_file_translate): Set to `CMD //c' on MinGW.
2843 * configure.ac (build_file_translate): Substitute it.
2844 * configure: Regenerate.
2846 2008-02-19 Jan Hubicka <jh@suse.cz>
2848 PR rtl-optimization/34408
2849 * see.c (see_def_extension_not_merged): Copy subreg so we don't have
2852 2008-02-19 Jan Hubicka <jh@suse.cz>
2855 * tree-inline.c (estimate_num_insns_1): Fix counting of cost of
2858 2008-02-19 H.J. Lu <hongjiu.lu@intel.com>
2861 * config/i386/i386-modes.def: Revert the last DI alignment
2862 change until Ada people can look into it.
2864 2008-02-19 Nick Clifton <nickc@redhat.com>
2866 * opts.c (print_specific_help): Fix typo in --help text.
2868 2008-02-19 Jakub Jelinek <jakub@redhat.com>
2871 * config/i386/cpuid.h (__cpuid, __get_cpuid_max): Use special
2872 32-bit inline asm without asm alternatives for host GCC < 3.0.
2874 2008-02-19 Richard Guenther <rguenther@suse.de>
2876 PR tree-optimization/34989
2877 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Re-structure.
2878 Allow propagation to INDIRECT_REF if we can simplify only.
2880 2008-02-19 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2882 * c-common.c (warn_for_collisions_1): Use appropriate option when
2885 2008-02-19 Nick Clifton <nickc@redhat.com>
2888 * opts.c (undocumented_msg): Leave blank unless checking is enabled.
2889 (handle_options): Fix indentation.
2890 (print_filtered_help): If no language-specific options were
2891 displayed tell the user how to list all the options supported by
2892 the language's front-end.
2893 (print_specific_help): Fix indentation and remove duplicate line.
2894 (common_handle_option): Handle the -v option.
2895 For --help enable the display of undocumented options if the -v
2896 switch has been included on the command line.
2897 For --help= check for overlaps in the arguments between the option
2898 classes and the language names and issue a warning when they
2899 cannot be disambiguated.
2900 * c.opt (v): Pass on to the common option handler.
2902 2008-02-19 Revital Eres <eres@il.ibm.com>
2904 * modulo-sched.c (sms_schedule): Change dump message when
2905 create_ddg function fails.
2906 (try_scheduling_node_in_cycle): Rename row to cycle.
2907 (print_partial_schedule): Rename CYCLE to ROW.
2909 2008-02-19 Christian Bruel <christian.bruel@st.com>
2910 Zdenek Dvorak <ook@ucw.cz>
2912 * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check step alignment.
2914 2008-02-19 Uros Bizjak <ubizjak@gmail.com>
2917 * config/i386/i386.md (*x86_movsicc_0_m1_se): New insn pattern.
2918 (*x86_movdicc_0_m1_se): Ditto.
2920 2008-02-19 Uros Bizjak <ubizjak@gmail.com>
2922 * config/i386/sfp-machine.h (__gcc_CMPtype): New typedef.
2923 (CMPtype): Define as __gcc_CMPtype.
2924 * config/rs6000/sfp-machine.h (__gcc_CMPtype): New typedef.
2925 (CMPtype): Define as __gcc_CMPtype.
2927 2008-02-19 Hans-Peter Nilsson <hp@axis.com>
2929 Support valgrind 3.3 for --enable-checking=valgrind.
2930 * system.h: Consolidate ENABLE_VALGRIND_CHECKING-dependent defines
2932 [!VALGRIND_MAKE_MEM_NOACCESS]: Define as VALGRIND_MAKE_NOACCESS.
2933 [!VALGRIND_MAKE_MEM_DEFINED]: Define as VALGRIND_MAKE_READABLE.
2934 [!VALGRIND_MAKE_MEM_UNDEFINED]: Define as VALGRIND_MAKE_WRITABLE.
2935 * ggc-common.c: Remove ENABLE_VALGRIND_CHECKING-dependent defines.
2936 Replace use of VALGRIND_MAKE_READABLE, VALGRIND_MAKE_WRITABLE, and
2937 VALGRIND_MAKE_NOACCESS with VALGRIND_MAKE_MEM_DEFINED,
2938 VALGRIND_MAKE_MEM_UNDEFINED, and VALGRIND_MAKE_MEM_NOACCESS
2940 * ggc-zone.c: Similar.
2941 * ggc-page.c: Similar.
2943 2008-02-19 Paul Brook <paul@codesourcery.com>
2946 * config/arm/ieee754-df.S: Fix do_it typo.
2947 * config/arm/ieee754-sf.S: Fix do_it typo.
2949 2008-02-18 H.J. Lu <hongjiu.lu@intel.com>
2952 * config/i386/i386.c (OPTION_MASK_ISA_MMX_SET): New.
2953 (OPTION_MASK_ISA_3DNOW_SET): Likewise.
2954 (OPTION_MASK_ISA_SSE_SET): Likewise.
2955 (OPTION_MASK_ISA_SSE2_SET): Likewise.
2956 (OPTION_MASK_ISA_SSE3_SET): Likewise.
2957 (OPTION_MASK_ISA_SSSE3_SET): Likewise.
2958 (OPTION_MASK_ISA_SSE4_1_SET): Likewise.
2959 (OPTION_MASK_ISA_SSE4_2_SET): Likewise.
2960 (OPTION_MASK_ISA_SSE4_SET): Likewise.
2961 (OPTION_MASK_ISA_SSE4A_SET): Likewise.
2962 (OPTION_MASK_ISA_SSE5_SET): Likewise.
2963 (OPTION_MASK_ISA_3DNOW_A_UNSET): Likewise.
2964 (OPTION_MASK_ISA_MMX_UNSET): Updated.
2965 (OPTION_MASK_ISA_3DNOW_UNSET): Updated.
2966 (OPTION_MASK_ISA_SSE_UNSET): Likewise.
2967 (OPTION_MASK_ISA_SSE3_UNSET): Likewise.
2968 (OPTION_MASK_ISA_SSSE3_UNSET): Likewise.
2969 (OPTION_MASK_ISA_SSE4_1_UNSET): Likewise.
2970 (OPTION_MASK_ISA_SSE4_2_UNSET): Likewise.
2971 (OPTION_MASK_ISA_SSE4A_UNSET): Likewise.
2972 (OPTION_MASK_ISA_SSE5_UNSET): Likewise.
2973 (OPTION_MASK_ISA_SSE4): Removed.
2974 (ix86_handle_option): Turn on bits in ix86_isa_flags and
2975 ix86_isa_flags_explicit with OPTION_MASK_ISA_XXX_SET for -mXXX.
2976 (override_options): Don't turn on implied SSE/MMX bits in
2979 2008-02-18 H.J. Lu <hongjiu.lu@intel.com>
2981 * config/i386/i386-modes.def: Use 4 byte alignment on DI for
2984 2008-02-18 Joey Ye <joey.ye@intel.com>
2987 * tree-nested.c (insert_field_into_struct): Set type alignment
2988 to field alignment if the former is less than the latter.
2990 2008-02-18 Jakub Jelinek <jakub@redhat.com>
2992 * BASE-VER: Set to 4.4.0.
2994 2008-02-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2996 * doc/c-tree.texi: Use @dots{} and @enddots{} where appropriate.
2997 * doc/cfg.texi: Likewise.
2998 * doc/extend.texi: Likewise.
2999 * doc/gty.texi: Likewise.
3000 * doc/invoke.texi: Likewise.
3001 * doc/loop.texi: Likewise.
3002 * doc/md.texi: Likewise.
3003 * doc/passes.texi: Likewise.
3004 * doc/rtl.texi: Likewise.
3005 * doc/sourcebuild.texi: Likewise.
3006 * doc/tm.texi: Likewise.
3007 * doc/tree-ssa.texi: Likewise.
3009 2008-02-17 Richard Guenther <rguenther@suse.de>
3012 * tree-complex.c (init_parameter_lattice_values): Handle parameters
3013 without default definition.
3015 2008-02-17 Richard Guenther <rguenther@suse.de>
3017 PR tree-optimization/35231
3018 * tree-vrp.c (register_edge_assert_for): Do not assume A == 0
3021 2008-02-17 Uros Bizjak <ubizjak@gmail.com>
3024 2008-02-15 Uros Bizjak <ubizjak@gmail.com>
3025 * config/i386/sfp-machine.h (CMPtype): Define as typedef using
3026 libgcc_cmp_return mode.
3028 2008-02-16 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3031 * doc/invoke.texi (-std): Clarify description of -std= and -ansi.
3033 2008-02-16 Ralf Corsepius <ralf.corsepius@rtems.org>
3035 * config/m68k/t-rtems (M68K_MLIB_CPU): Add 5208, 5307, 5407, 5475
3038 2008-02-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3040 * doc/c-tree.texi: Use `@.' where appropriate.
3041 * doc/extend.texi: Likewise.
3042 * doc/install.texi: Likewise.
3043 * doc/invoke.texi: Likewise.
3044 * doc/loop.texi: Likewise.
3045 * doc/makefile.texi: Likewise.
3046 * doc/md.texi: Likewise.
3047 * doc/passes.texi: Likewise.
3048 * doc/standards.texi: Likewise.
3049 * doc/tm.texi: Likewise.
3051 2008-02-15 Jakub Jelinek <jakub@redhat.com>
3054 * omp-low.c (expand_omp_for_generic): Don't initialize fd->v
3056 (expand_omp_for_static_nochunk): Initialize fd->v in seq_start_bb
3057 rather than in entry_bb.
3059 2008-02-15 Uros Bizjak <ubizjak@gmail.com>
3061 * config/i386/sfp-machine.h (CMPtype): Define as typedef using
3062 libgcc_cmp_return mode.
3064 2008-02-15 Jakub Jelinek <jakub@redhat.com>
3067 * tree-nested.c (convert_call_expr): Put FRAME.* vars into
3068 OMP_CLAUSE_SHARED rather than OMP_CLAUSE_FIRSTPRIVATE clause.
3070 2008-02-15 Richard Guenther <rguenther@suse.de>
3071 Zdenek Dvorak <ook@ucw.cz>
3073 PR tree-optimization/35164
3074 * tree-flow.h (stmt_references_abnormal_ssa_name): Declare.
3075 * tree-dfa.c (stmt_references_abnormal_ssa_name): New function.
3076 * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
3077 Only propagate addresses which do not have abnormal SSA_NAMEs
3080 2008-02-15 Joseph Myers <joseph@codesourcery.com>
3083 * config/m68k/m68k.h (DWARF_CIE_DATA_ALIGNMENT): Define.
3085 2008-02-15 Jan Hubicka <jh@suse.cz>
3088 * ipa.c (cgraph_remove_unreachable_nodes): Clear local.inlinable flag.
3090 2008-02-15 Uros Bizjak <ubizjak@gmail.com>
3093 * function.c (pad_to_arg_alignment): Remove test for STACK_BOUNDARY
3094 when calculating alignment_pad.
3096 2008-02-15 Uros Bizjak <ubizjak@gmail.com>
3098 * config/i386/i386.h (CLEAR_RATIO): Use MIN macro.
3099 (WIDEST_HARDWARE_FP_SIZE): Use LONG_DOUBLE_TYPE_SIZE define.
3100 * config/i386/darwin.h (PREFERRED_STACK_BOUNDARY): Use MAX macro
3101 and STACK_BOUNDARY define.
3103 2008-02-14 Danny Smith <dannysmith@users.sourceforge.net>
3105 PR preprocessor/35061
3106 * c-pragma.c (handle_pragma_pop_macro): Check that
3107 pushed_macro_table has been allocated.
3109 2008-02-14 Eric Botcazou <ebotcazou@adacore.com>
3112 * gimplify.c (force_gimple_operand_bsi): Revert 2008-02-12 change.
3113 (force_gimple_operand): Likewise.
3114 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Add new cases
3115 for TARGET_MEM_REF and CONVERT_EXPR/NON_LVALUE_EXPR/NOP_EXPR.
3116 Also recurse on the operand for regular VIEW_CONVERT_EXPRs.
3117 (find_interesting_uses_address): Check addressability and alignment
3118 of the base expression only after substituting bases of IVs into it.
3120 2008-02-14 Michael Matz <matz@suse.de>
3123 * function.c (instantiate_virtual_regs_in_insn): Reload address
3124 before falling back to reloading the whole operand.
3126 2008-02-14 Andreas Krebbel <krebbel1@de.ibm.com>
3128 * config/s390/s390.c (s390_mainpool_start): Emit the pool
3129 before the first section switch note.
3131 2008-02-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3133 * doc/bugreport.texi: Update copyright years.
3134 * doc/c-tree.texi: Likewise.
3135 * doc/cfg.texi: Likewise.
3136 * doc/cpp.texi: Likewise.
3137 * doc/cppinternals.texi: Likewise.
3138 * doc/fragments.texi: Likewise.
3139 * doc/frontends.texi: Likewise.
3140 * doc/gcc.texi: Likewise.
3141 * doc/gty.texi: Likewise.
3142 * doc/hostconfig.texi: Likewise.
3143 * doc/implement-c.texi: Likewise.
3144 * doc/libgcc.texi: Likewise.
3145 * doc/loop.texi: Likewise.
3146 * doc/makefile.texi: Likewise.
3147 * doc/options.texi: Likewise.
3148 * doc/passes.texi: Likewise.
3149 * doc/rtl.texi: Likewise.
3150 * doc/sourcebuild.texi: Likewise.
3151 * doc/standards.texi: Likewise.
3152 * doc/tree-ssa.texi: Likewise.
3153 * doc/trouble.texi: Likewise.
3155 * doc/extend.texi: Use @: or add comma where appropriate.
3156 * doc/invoke.texi: Likewise.
3157 * doc/tm.texi: Likewise.
3159 2008-02-14 Alan Modra <amodra@bigpond.net.au>
3162 * config/rs6000/rs6000.md (restore_stack_block): Force operands[1]
3165 2008-02-14 Jesper Nilsson <jesper.nilsson@axis.com>
3167 * doc/md.texi (clz, ctz): Add reference.
3168 * doc/rtl.texi (clz, ctz): Likewise.
3170 2008-02-13 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3173 * Makefile.in (gcc-vers.texi): Use abs_srcdir for the value of
3176 2008-02-13 Andreas Krebbel <krebbel1@de.ibm.com>
3178 * config/s390/s390.c (struct constant_pool): New field
3179 emit_pool_after added.
3180 (s390_mainpool_start): Set the emit_pool_after flag according
3181 to the section switch notes.
3182 (s390_mainpool_finish): Consider emit_pool_after when emitting
3183 the literal pool at the end of the function.
3184 (s390_chunkify_start): Force literal pool splits at section
3187 2008-02-13 Michael Matz <matz@suse.de>
3190 * var-tracking.c (clobber_variable_part): Correctly traverse the
3193 2008-02-13 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3196 * doc/invoke.texi (Debugging Options): Remove -fdump-tree-inlined.
3197 Add -fdump-ipa-inline.
3198 * tree-dump.c (dump_files): Remove tree-inlined dump.
3199 * tree-pass.h (tree_dump_index): Remove TDI_inlined.
3201 2008-02-12 Richard Guenther <rguenther@suse.de>
3203 PR tree-optimization/35171
3204 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Deal with
3207 2008-02-12 Richard Guenther <rguenther@suse.de>
3210 * fold-const.c (fold_widened_comparison): Use get_unwidened in
3211 value-preserving mode. Disallow final truncation.
3213 2008-02-12 Eric Botcazou <ebotcazou@adacore.com>
3216 * gimplify.c (force_gimple_operand_bsi): Move SSA renaming
3217 code from here to...
3218 (force_gimple_operand): ...here.
3220 2008-02-12 Jakub Jelinek <jakub@redhat.com>
3223 * tree-sra.c (sra_build_assignment): fold_convert SRC if copying
3224 non-compatible pointers.
3225 (generate_element_copy): If SRC and DST are RECORD_TYPEs with
3226 different FIELD_DECLs, try harder by comparing field offsets, sizes
3230 * function.c (match_asm_constraints_1): Don't replace the same input
3233 2008-02-12 Anatoly Sokolov <aesok@post.ru>
3235 * config/avr/avr.h (AVR_HAVE_RAMPZ): Define.
3236 * config/avr/avr.c (expand_prologue): Save RAMPZ register.
3237 (expand_epilogue): Restore RAMPZ register.
3238 * config/avr/avr.md (RAMPZ_ADDR): New constant.
3240 2008-02-11 Kai Tietz <kai.tietz@onevision.com>
3242 * config/i386/cygwin.asm: (__alloca): Correct calling
3243 convention and alignment.
3244 (__chkstk): Force 8 byte stack alignment.
3246 2008-02-11 Uros Bizjak <ubizjak@gmail.com>
3247 Richard Guenther <rguenther@suse.de>
3249 PR tree-optimization/33992
3250 * tree-ssa-loop-im.c (rewrite_bittest): Fixup the type of
3251 the zero we compare against.
3253 2008-02-10 Danny Smith <dannysmith@users.sourceforge.net>
3256 * gthr-win32.h (__gthread_mutex_destroy_function): New function
3257 to CloseHandle after unlocking to prevent accumulation of handle
3260 2008-02-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3263 * pa.c (legitimize_pic_address): Add REG_EQUAL note on sets with a
3264 pic_label_operand source. Similarly, add a REG_LABEL_OPERAND note
3265 and update LABEL_NUSES during and after reload.
3267 2008-02-08 Steven Bosscher <stevenb.gcc@gmail.com>
3270 * combine.c (simplify_if_then_else): Make sure the comparison is
3271 against const0_rtx when simplifying to (abs x) or (neg (abs X)).
3273 2008-02-08 Richard Sandiford <rsandifo@nildram.co.uk>
3276 * double-int.h: Don't include gmp.h for GENERATOR_FILEs.
3277 (mpz_set_double_int, mpz_get_double_int): Hide from GENERATOR_FILEs.
3278 * real.h: Don't include gmp.h or mpfr.h for GENERATOR_FILEs.
3279 (real_from_mpfr, mpfr_from_real): Hide from GENERATOR_FILEs.
3280 * tree.h (get_type_static_bounds): Likewise.
3282 2008-02-08 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3284 * doc/invoke.texi (Option Summary, C++ Dialect Options)
3285 (Objective-C and Objective-C++ Dialect Options, Warning Options):
3286 Make -Wfoo language annotations match what the compiler outputs.
3288 2008-02-08 Sa Liu <saliu@de.ibm.com>
3290 * config/spu/spu-builtins.def: Fixed wrong parameter type in spu
3291 intrinsics spu_convts, spu_convtu, spu_convtf.
3292 * testsuite/gcc.target/spu/intrinsics-3.c: New. Test error messages.
3294 2008-02-08 Hans-Peter Nilsson <hp@axis.com>
3296 * doc/extend.texi (Function Attributes) <noinline>: Mention
3297 asm ("") as method to keep calls.
3299 2008-02-07 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3302 * doc/options.texi (Options): Replace references to opts.sh with
3304 * opts-common.c: Likewise.
3305 * optc-gen.awk: Likewise.
3307 2008-02-07 Andreas Krebbel <krebbel1@de.ibm.com>
3309 * config/s390/s390.h (FUNCTION_ARG_REGNO_P): Fix fprs for 64 bit.
3311 2008-02-07 Richard Henderson <rth@redhat.com>
3314 * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use an
3315 EXPR_LIST for the REG_EQUAL instead of a comparison with a
3318 2008-02-07 Uros Bizjak <ubizjak@gmail.com>
3320 PR tree-optimization/35085
3321 * tree-ssa-reassoc.c (rewrite_expr_tree): Enable destructive update
3322 for operand entry oe2 in addition to operand entry oe3 in order to
3323 expose more opportunities for vectorizer sum reduction.
3325 2008-02-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3328 * Makefile.in (LIBS): Remove $(GMPLIBS).
3329 (cc1-dummy, cc1): Add $(GMPLIBS).
3331 2008-02-06 Jan Hubicka <jh@suse.cz>
3334 * i386.md (moddf_integer): Do not produce partial memory stalls for
3335 targets where it hurts.
3337 2008-02-06 Uros Bizjak <ubizjak@gmail.com>
3340 * optabs.c (expand_float): Do not check for decimal modes when
3341 expanding unsigned integer through signed conversion.
3343 2008-02-06 Nick Clifton <nickc@redhat.com>
3345 * config/stormy16/stormy16.md (eqbranchsi): Replace a match_dup
3346 inside the clobber with a match_operand and duplicated operand
3347 number in the constraint.
3348 (ineqbranchsi): Delete redundant comment.
3350 2008-02-06 Ralf Corsepius <ralf.corsepius@rtems.org>
3352 * config/arm/rtems-elf.h (TARGET_OS_CPP_BUILTINS): Add
3353 builtin_define ("__USE_INIT_FINI__").
3354 * config/h8300/t-rtems (MULTILIB_OPTION,MULTILIB_DIRNAMES): Add
3356 * gthr-rtems.h: Remove __GTHREAD_MUTEX_INIT.
3358 2008-02-06 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3360 PR documentation/30330
3361 * doc/invoke.texi (C++ Dialect Options)
3362 (Objective-C and Objective-C++ Dialect Options, Warning Options):
3363 For each warning option -Wfoo that allows -Wno-foo, ensure both
3364 -Wfoo and -Wno-foo are listed in the option index. Fix index
3365 entry of -Wswitch-default, index -Wnormalized= including the
3366 `=', and -Wlarger-than-@var{len} including @var{len}.
3368 2008-02-05 Uros Bizjak <ubizjak@gmail.com>
3370 * config/i386/i386.md (floatunssisf2): Use
3371 ix86_expand_convert_uns_sisf_sse also for TARGET_SSE.
3372 (floatunssi<mode>2): Rename from floatunssisf2 and floatunssidf2.
3373 Macroize expander using MODEF mode iterator.
3375 2008-02-05 Diego Novillo <dnovillo@google.com>
3377 http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00140.html
3380 * tree-vrp.c (vrp_evaluate_conditional): Revert fix for PR 33738.
3382 2008-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3385 * toplev.c (print_version): Honor `indent' for GMP/MPFR warnings.
3387 2008-02-05 H.J. Lu <hongjiu.lu@intel.com>
3390 * config/i386/i386.c (ix86_function_sseregparm): Add an arg
3391 to indicate if a message should be generated.
3392 (init_cumulative_args): Updated.
3393 (function_value_32): Likewise.
3395 2008-02-05 Joseph Myers <joseph@codesourcery.com>
3397 * doc/include/texinfo.tex: Update to version 2008-02-04.16.
3399 2008-02-05 Uros Bizjak <ubizjak@gmail.com>
3402 * config/i386/i386.md (floatunsisf2): Enable for TARGET_SSE_MATH only.
3403 Call ix86_expand_convert_uns_sisf_sse for TARGET_SSE2.
3405 2008-02-04 Diego Novillo <dnovillo@google.com>
3407 http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00110.html
3410 * tree-vrp.c (vrp_evaluate_conditional): With
3411 -Wtype-limits, emit a warning when comparing against a
3412 constant outside the natural range of OP0's type.
3414 2008-02-04 Richard Guenther <rguenther@suse.de>
3417 * expr.c (count_type_elements): Give for unions instead of
3420 2008-02-04 Richard Guenther <rguenther@suse.de>
3423 * gimplify.c (gimplify_init_ctor_eval): Convert array indices
3424 to TYPE_DOMAINs base type instead of using bitsizetype here.
3426 2008-02-03 Jason Merrill <jason@redhat.com>
3428 * print-tree.c (print_node) [CONSTRUCTOR]: Print elements.
3430 2008-02-04 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3433 * doc/invoke.texi (C++ Dialect Options, Optimize Options)
3434 (HPPA Options, i386 and x86-64 Options, IA-64 Options)
3435 (RS/6000 and PowerPC Options): Fix typos and markup.
3436 * doc/passes.texi (Tree-SSA passes): Likewise.
3438 2008-02-02 Michael Matz <matz@suse.de>
3441 * postreload-gcse.c (record_last_reg_set_info_regno): Renamed
3442 from record_last_reg_set_info.
3443 (record_last_reg_set_info): Take an RTX argument, iterate over all
3444 constituent hardregs.
3445 (record_last_set_info, record_opr_changes): Change calls to
3446 new signature or to record_last_reg_set_info_regno.
3448 2008-02-02 Gerald Pfeifer <gerald@pfeifer.com>
3450 * doc/extend.texi (X86 Built-in Functions): Fix grammar.
3452 2008-02-01 Hans-Peter Nilsson <hp@axis.com>
3454 PR rtl-optimization/34773
3455 * reg-notes.def (EQUAL): Mention significance of combination of
3456 REG_EQUAL and REG_RETVAL.
3457 * fwprop.c (try_fwprop_subst): Don't add REG_EQUAL to an
3458 insn that has a REG_RETVAL.
3460 2008-02-01 Roger Sayle <roger@eyesopen.com>
3463 * configure.ac (--enable-fixed-point): Disable unless explicitly
3465 * configure: Regenerate.
3467 2008-02-01 Richard Guenther <rguenther@suse.de>
3470 * invoke.texi (-finline-limit): Remove no longer true parts
3471 of the documentation. Note that there is no default value.
3473 2008-02-01 Andrew Pinski <pinskia@gmail.com>
3474 Mark Mitchell <mark@codesourcery.com>
3475 Ben Elliston <bje@au.ibm.com>
3478 * doc/extend.texi (Other Builtins): Document.
3480 2008-01-31 Tom Browder <tom.browder@gmail.com>
3482 * doc/c-tree.texi (Types): Fix grammar.
3483 (Expression trees): Ditto.
3484 * doc/passes.texi (Tree-SSA passes): Ditto.
3486 * doc/configterms.texi (Configure Terms): Fix typo.
3487 * doc/cpp.texi (Common Predefined Macros): Ditto.
3488 * doc/md.texi (Machine Constraints): Ditto.
3490 * doc/makefile.texi (Makefile): Add comma.
3492 2008-01-31 Tom Browder <tom.browder@gmail.com>
3493 Gerald Pfeifer <gerald@pfeifer.com>
3495 * doc/sourcebuild.texi (Front End): Remove references to CVS
3496 and CVSROOT/modules.
3497 (Texinfo Manuals): Replace reference to CVS by one to SVN.
3498 (Back End): Remove reference to CVS.
3500 2008-01-31 Richard Sandiford <rsandifo@nildram.co.uk>
3503 * config/mips/mips.c (gen_load_const_gp): New function, taking a
3505 (mips16_gp_pseudo_reg): ...here.
3506 * config/mips/mips.md (load_const_gp): Replace with...
3507 (load_const_gp_<mode>): ...this :P-based insn.
3509 2008-01-31 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3511 * doc/invoke.texi (-ansi): Mention explicitly corresponding -std=
3512 options. Minor fixes.
3513 (-std): Move reference to standards closer to where language
3514 standards are first mentioned.
3516 2008-01-31 Richard Sandiford <rsandifo@nildram.co.uk>
3518 PR rtl-optimization/34995
3519 * reload.c (alternative_allows_const_pool_ref): Take an rtx
3520 parameter and return a bool. If the rtx parameter is nonnull,
3521 check that it satisfies an EXTRA_MEMORY_CONSTRAINT.
3522 (find_reloads): Update call accordingly. Pass the new operand
3523 if it needed no address reloads, otherwise pass null.
3525 2008-01-30 Richard Henderson <rth@redhat.com>
3528 * tree.c (build_type_attribute_qual_variant): Skip TYPE_DOMAIN
3529 for unbounded arrays.
3531 2008-01-30 Silvius Rus <rus@google.com>
3533 * config/i386/xmmintrin.h (_mm_prefetch): Add const to first arg.
3535 2008-01-30 Jan Hubicka <jh@suse.cz>
3538 * i386.c (init_cumulative_args): Use real function declaration when
3541 2008-01-30 Richard Sandiford <rsandifo@nildram.co.uk>
3543 PR rtl-optimization/34998
3544 * global.c (build_insn_chain): Treat non-subreg_lowpart
3545 SUBREGs of pseudos as clobbering all the words covered by the
3546 SUBREG, not just all the bytes.
3547 * ra-conflict.c (clear_reg_in_live): Likewise. Take the
3548 original df_ref rather than an extract parameter.
3549 (global_conflicts): Update call accordingly.
3551 2008-01-30 Andreas Krebbel <krebbel1@de.ibm.com>
3553 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): Rearrange
3554 the overflow check to make it easier to read.
3555 (__fixtfdi): Change the type of the ll member in union
3556 long_double to UDItype_x.
3558 2008-01-30 Jakub Jelinek <jakub@redhat.com>
3561 * cgraph.h (cgraph_update_edges_for_call_stmt): New prototype.
3562 * cgraph.c (cgraph_update_edges_for_call_stmt): New function.
3563 * tree-inline.c (fold_marked_statements): Call
3564 cgraph_update_edges_for_call_stmt if folding a call statement.
3565 * cgraphunit.c (verify_cgraph_node): Set cfun to this_cfun for
3566 debug_generic_stmt calls, reset it back afterwards.
3569 * c-decl.c (start_decl): Don't pedwarn about TREE_READONLY
3571 * c-typeck.c (build_external_ref): Don't pedwarn about
3572 static vars in current function's scope.
3574 2008-01-29 Joseph Myers <joseph@codesourcery.com>
3576 * config.gcc (i[34567]86-*-nto-qnx*): Remove deprecation.
3578 2008-01-29 Bernhard Fischer <aldot@gcc.gnu.org>
3581 * ipa-struct-reorg.c: Fix spelling.
3582 * params.def: Ditto.
3584 2008-01-29 Richard Guenther <rguenther@suse.de>
3587 * tree-inline.h (struct copy_body_data): Add remapping_type_depth
3589 * tree-inline.c (remap_type): Increment remapping_type_depth
3590 around remapping types.
3591 (copy_body_r): Only add referenced variables if they are referenced
3592 from code, not types.
3594 2008-01-29 Douglas Gregor <doug.gregor@gmail.com>
3605 * c-pretty-print.c (pp_c_type_qualifier_list): Don't try to print
3606 qualifiers for an ERROR_MARK_NODE or a NULL_TREE.
3608 2008-01-28 Andy Hutchinson <hutchinsonandy@netscape.net>
3611 * config/avr/avr.c (expand_prologue): Use correct QI mode frame
3612 pointer for tiny stack.
3614 2008-01-28 Bernhard Fischer <aldot@gcc.gnu.org>
3616 * doc/tree-ssa.texi: Add cindex PHI nodes and improve wording.
3618 2008-01-28 Bernhard Fischer <aldot@gcc.gnu.org>
3620 * config/vx-common.h: Fix typo in comment.
3622 2008-01-28 Ian Lance Taylor <iant@google.com>
3626 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
3627 coalesce pointers if they have different DECL_NO_TBAA_P values.
3628 * tree-ssa-copy.c (may_propagate_copy): Don't propagate copies
3629 between variables with different DECL_NO_TBAA_P values.
3631 2008-01-28 Nathan Froyd <froydnj@codesourcery.com>
3634 * config/rs6000/rs6000.c (small_data_operand): Vectors and floats
3635 are not legitimate small data references on SPE targets.
3637 2008-01-28 David Daney <ddaney@avtrex.com>
3639 * doc/install.texi (mips-*-*): Recommend binutils 2.18.
3641 2008-01-28 David Daney <ddaney@avtrex.com>
3643 * doc/install.texi (--disable-libgcj-bc): Reword documentation.
3645 2008-01-27 Joseph Myers <joseph@codesourcery.com>
3647 * config.gcc (strongarm*-*, ep9312*-*, xscale*-*, parisc*-*,
3648 m680[012]0-*, *-*-beos*, *-*-kaos*, *-*-linux*aout*,
3649 *-*-linux*libc1*, *-*-solaris2.[0-6], *-*-solaris2.[0-6].*,
3650 *-*-sysv*, *-*-windiss*, alpha*-*-unicosmk*, cris-*-aout,
3651 hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
3652 i[34567]86-sequent-ptx4*, i[34567]86-*-nto-qnx*,
3653 i[34567]86-*-sco3.2v5*, i[34567]86-*-uwin*, powerpc-*-chorusos*,
3654 vax-*-bsd*, vax-*-ultrix*): Mark obsolete.
3656 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
3658 * basic-block.h (condjump_equiv_p): Fix comment.
3660 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
3662 * tree-pretty-print.c (print_generic_decl, print_generic_stmt,
3663 print_generic_stmt_indented): Fix comment.
3665 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
3667 * configure.ac (__stack_chk_fail): Add detecion for availability
3668 of SSP in uClibc by checking if __UCLIBC_HAS_SSP__ is defined.
3669 * configure: Regenerate.
3671 2008-01-26 Maxim Kuvyrkov <maxim@codesourcery.com>
3674 * final.c (output_addr_const): Handle TRUNCATE.
3676 2008-01-26 Zdenek Dvorak <ook@ucw.cz>
3679 * tree-ssa-loop-ivopts.c (comp_cost): New type.
3680 (zero_cost, infinite_cost): New constants.
3681 (struct cost_pair): Change type of cost to comp_cost.
3682 (struct iv_ca): Change type of cand_use_cost and cost to comp_cost.
3683 (new_cost, add_costs, sub_costs, compare_costs, infinite_cost_p):
3685 (set_use_iv_cost, force_expr_to_var_cost, force_var_cost,
3686 split_address_cost, ptr_difference_cost, difference_cost,
3687 get_computation_cost_at, get_computation_cost,
3688 determine_use_iv_cost_generic, determine_use_iv_cost_address,
3689 determine_use_iv_cost_condition, determine_use_iv_costs,
3690 cheaper_cost_pair, iv_ca_recount_cost, iv_ca_set_no_cp,
3691 iv_ca_set_cp, iv_ca_cost, iv_ca_new, iv_ca_dump, iv_ca_extend,
3692 iv_ca_narrow, iv_ca_prune, try_improve_iv_set, find_optimal_iv_set):
3693 Change type of cost to comp_cost.
3694 (determine_iv_cost): Increase cost of non-original ivs, instead
3695 of decreasing the cost of original ones.
3696 (get_address_cost): Indicate the complexity of the addressing mode
3698 (try_add_cand_for): Prefer using ivs not specific to some object.
3699 * tree-flow.h (force_expr_to_var_cost): Declaration removed.
3701 2008-01-26 Peter Bergner <bergner@vnet.ibm.com>
3702 Janis Johnson <janis187@us.ibm.com>
3705 * doc/tm.texi (TARGET_EXPAND_TO_RTL_HOOK): Document.
3706 (TARGET_INSTANTIATE_DECLS): Likewise.
3707 * target.h (expand_to_rtl_hook): New target hook.
3708 (instantiate_decls): Likewise.
3709 * function.c (instantiate_decl): Make non-static. Rename to...
3710 (instantiate_decl_rtl): ... this.
3711 (instantiate_expr): Use instantiate_decl_rtl.
3712 (instantiate_decls_1): Likewise.
3713 (instantiate_decls): Likewise.
3714 (instantiate_virtual_regs: Call new instantiate_decls taget hook.
3715 * function.h (instantiate_decl_rtl): Add prototype.
3716 * cfgexpand.c (target.h): New include.
3717 (tree_expand_cfg): Call new expand_to_rtl_hook target hook.
3718 * target-def.h (TARGET_EXPAND_TO_RTL_HOOK): New define.
3719 (TARGET_INSTANTIATE_DECLS): Likewise.
3720 (TARGET_INITIALIZER): New target hooks added.
3721 * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
3723 * config/rs6000/rs6000.c (tree-flow.h): New include.
3724 (machine_function): Add sdmode_stack_slot field.
3725 (rs6000_alloc_sdmode_stack_slot): New function.
3726 (rs6000_instantiate_decls): Likewise.
3727 (rs6000_secondary_memory_needed_rtx): Likewise.
3728 (rs6000_check_sdmode): Likewise.
3729 (TARGET_EXPAND_TO_RTL_HOOK): Target macro defined.
3730 (TARGET_INSTANTIATE_DECLS): Likewise.
3731 (rs6000_hard_regno_mode_ok): Allow SDmode.
3732 (num_insns_constant): Likewise. Handle _Decimal32 constants.
3733 (rs6000_emit_move): Handle SDmode.
3734 (function_arg_advance): Likewise.
3735 (function_arg): Likewise.
3736 (rs6000_gimplify_va_arg): Likewise. Add special handling of
3737 SDmode var args for 32-bit compiles.
3738 (rs6000_secondary_reload_class): Handle SDmode.
3739 (rs6000_output_function_epilogue): Likewise.
3740 (rs6000_function_value): Simplify if statement.
3741 (rs6000_libcall_value): Likewise.
3742 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Handle SDmode.
3743 (SECONDARY_MEMORY_NEEDED_RTX): Add define.
3744 * config/rs6000/dfp.md (movsd): New define_expand and splitter.
3745 (movsd_hardfloat): New define_insn.
3746 (movsd_softfloat): Likewise.
3747 (movsd_store): Likewise.
3748 (movsd_load): Likewise.
3749 (extendsddd2): Likewise.
3750 (extendsdtd2): Likewise.
3751 (truncddsd2): Likewise.
3752 (movdd_hardfloat64): Fixup comment.
3753 (UNSPEC_MOVSD_LOAD): New constant.
3754 (UNSPEC_MOVSD_STORE): Likewise.
3756 2008-01-26 Jakub Jelinek <jakub@redhat.com>
3759 * c-pretty-print.c (pp_c_exclusive_or_expression): Handle
3761 (pp_c_logical_and_expression): Handle TRUTH_AND_EXPR.
3762 (pp_c_logical_or_expression): Handle TRUTH_OR_EXPR.
3763 (pp_c_expression): Handle TRUTH_AND_EXPR, TRUTH_OR_EXPR
3766 2008-01-26 David Edelsohn <edelsohn@gnu.org>
3769 * config.gcc: Separate AIX 5.3 from AIX 6.1.
3770 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
3771 __LONGDOUBLE128 too.
3772 * config/rs6000/aix61.h: New file.
3774 2008-01-26 Richard Sandiford <rsandifo@nildram.co.uk>
3776 PR rtl-optimization/34959
3777 * optabs.c (expand_unop): In libcall notes, give ffs, clz, ctz,
3778 popcount and parity rtxes the same mode as their operand.
3779 Truncate or extend the result to the return value's mode
3782 2008-01-26 Richard Sandiford <rsandifo@nildram.co.uk>
3785 * config/mips/mips-protos.h (mips_expand_call): Return an rtx.
3786 * config/mips/mips.h (FIRST_PSEUDO_REGISTER): Rename FAKE_CALL_REGNO
3787 to GOT_VERSION_REGNUM.
3788 (CALL_REALLY_USED_REGISTERS): Set the GOT_VERSION_REGNUM entry to 0.
3789 (EPILOGUE_USES): Include GOT_VERSION_REGNUM if TARGET_USE_GOT.
3790 * config/mips/mips.c (mips_emit_call_insn): New function.
3791 (mips_call_tls_get_addr): Call mips_expand_call directly.
3792 (mips16_copy_fpr_return_value): Use mips_emit_call_insn rather than
3794 (mips16_build_call_stub): Likewise. Return the call insn or null.
3795 (mips_expand_call): Update the call to mips16_build_call_stub
3796 accordingly and a remove redundant condition. Assert that MIPS16
3797 stubs do not use lazy binding. Use mips_emit_call_insn and return
3799 (mips_extra_live_on_entry): Include GOT_VERSION_REGNUM if
3801 (mips_hard_regno_mode_ok_p): Allow SImode for GOT_VERSION_REGNUM.
3802 (mips_avoid_hazard): Remove hazard_set handling.
3803 * config/mips/mips.md (UNSPEC_EH_RECEIVER): Rename to...
3804 (UNSPEC_RESTORE_GP): ...this.
3805 (UNSPEC_SET_GOT_VERSION, UNSPEC_UPDATE_GOT_VERSION): New constants.
3806 (FAKE_CALL_REGNO): Rename to...
3807 (GOT_VERSION_REGNUM): ...this.
3808 (type): Add "ghost" value. Add an associated insn reservation.
3809 (hazard_set): Remove.
3810 (exception_receiver): Rename to...
3811 (restore_gp): ...this and update the unspec identifier accordingly.
3812 (exception_receiver, nonlocal_got_receiver): New expanders.
3813 (load_call<mode>): Use GOT_VERSION_REGNUM. Don't set
3814 FAKE_CALL_REGNO. Remove hazard_set attribute.
3815 (set_got_version, update_got_version): New patterns.
3817 2008-01-26 Danny Smith <dannysmith@users.sourceforge.net>
3820 * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Define.
3822 2008-01-25 Joseph Myers <joseph@codesourcery.com>
3825 * doc/install.texi2html: Generate gcc-vers.texi.
3827 2008-01-25 DJ Delorie <dj@redhat.com>
3829 * config/m32c/m32c.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
3831 2008-01-25 Joseph Myers <joseph@codesourcery.com>
3833 * config/c4x: Remove directory.
3834 * config.gcc (crx-*, mt-*): Mark obsolete.
3835 (c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*,
3836 h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*,
3837 sh-*-rtemscoff*): Remove cases.
3838 * defaults.h (C4X_FLOAT_FORMAT): Remove.
3839 * real.c (encode_c4x_single, decode_c4x_single,
3840 encode_c4x_extended, decode_c4x_extended, c4x_single_format,
3841 c4x_extended_format): Remove.
3842 * real.h (c4x_single_format, c4x_extended_format): Remove.
3843 * doc/extend.texi (interrupt, naked): Remove mention of attributes
3845 (Pragmas): Remove comment about c4x pragmas.
3846 * doc/install.texi (c4x): Remove target-specific instructions.
3847 * doc/invoke.texi (TMS320C3x/C4x Options): Remove.
3848 * doc/md.texi (Machine Constraints): Remove C4x documentation.
3849 * doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not
3850 refer to C4x source files as examples.
3851 (C4X_FLOAT_FORMAT): Remove documentation.
3853 2008-01-25 Bernd Schmidt <bernd.schmidt@analog.com>
3855 * config/bfin/bfin.c (override_options): Reorder tests so that
3856 flag_pic gets enabled for -msep-data.
3858 2008-01-25 Richard Guenther <rguenther@suse.de>
3861 * expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
3862 to its bitfield precision if required.
3864 2008-01-25 Jakub Jelinek <jakub@redhat.com>
3867 * tree-nested.c (walk_omp_for): New function.
3868 (convert_nonlocal_reference, convert_local_reference): Call
3869 walk_omp_for on OMP_FOR.
3870 (convert_call_expr): Call walk_body on OMP_FOR's
3871 OMP_FOR_PRE_INIT_BODY.
3873 2008-01-25 Richard Guenther <rguenther@suse.de>
3875 PR tree-optimization/34966
3876 * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
3877 default defs and PHI_NODEs we have to insert after the
3880 2008-01-24 Nick Clifton <nickc@redhat.com>
3882 * config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
3883 Provide a default definition.
3884 (LIBGCC2_UNITS_PER_WORD): Likewise.
3886 * config/stormy16/stormy16.c: Include df.h for the prototype
3887 for df_regs_ever_live_p.
3888 (xstormy16_expand_builtin_va_start): Convert the stack offset
3889 into a component_ref and then use POINTER_PLUS_EXPR to add it
3890 to the incoming_virtual_args_rtx.
3891 (xstormy16_gimplify_va_arg_expr): Rename to
3892 xstormy16_gimplify_va_arg_expr.
3893 Use POINTER_PLUS_EXPR when performing pointer arithmetic.
3894 (TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
3895 xstormy16_gimplify_va_arg_expr.
3896 Fix up some formatting issues.
3898 * config/stormy16/stormy16.c: (xstormy16_carry_plus_operand):
3899 Move to predicates.md.
3900 (xs_hi_general_operand): Likewise.
3901 (xs_hi_nonmemory_operand): Likewise.
3902 * config/stormy16/predicates.md:
3903 (xstormy16_carry_plus_operand): New predicate.
3904 (xs_hi_general_operand): New predicate.
3905 (xs_hi_nonmemory_operand): New predicate.
3906 * config/stormy16/stormy16-protos.h:
3907 (xstormy16_carry_plus_operand): Delete prototype.
3908 (xs_hi_general_operand): Likewise.
3909 (xs_hi_nonmemory_operand): Likewise.
3911 * config/storm16/stormy16.md (addhi3): Remove earlyclobber
3912 modifiers as they are no longer needed and they can trigger
3913 reload spill failures.
3915 * config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
3916 with a match_operand in order to help reload.
3918 * config/storm16/stormy16.md (movhi_internal): Replace 'r'
3919 constraint with 'e' for the 8th alternative as this version of
3920 the mov.w instruction only accepts the lower 8 registers.
3922 2008-01-25 Uros Bizjak <ubizjak@gmail.com>
3925 * simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
3926 Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
3929 2008-01-25 Jakub Jelinek <jakub@redhat.com>
3932 * gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.
3934 2008-01-25 Golovanevsky Olga <olga@il.ibm.com>
3936 * ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
3938 (remove_structure): Update allocations list before removing structure.
3940 2008-01-25 Golovanevsky Olga <olga@il.ibm.com>
3942 * ipa-struct-reorg.c (is_safe_cond_expr,
3943 create_new_stmts_for_cond_expr): Use integer_zerop function,
3944 that recognize not only zero-pointer, but zero-integer too.
3946 2008-01-25 Ben Elliston <bje@au.ibm.com>
3949 * fixproto: Escape "." in sed expression that strips leading "./".
3951 2008-01-24 H.J. Lu <hongjiu.lu@intel.com>
3954 * gcc.c (SWITCH_OK): Removed.
3955 (SWITCH_LIVE): Changed to bit.
3956 (SWITCH_FALSE): Likewise.
3957 (SWITCH_IGNORE): Likewise.
3958 (switchstr): Change live_cond to unsigned int.
3959 (process_command): Replace SWITCH_OK with 0.
3960 (do_self_spec): Likewise.
3961 (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
3962 (give_switch): Likewise.
3963 (used_arg): Likewise.
3964 (do_spec_1): Set the SWITCH_IGNORE bit.
3965 (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
3966 bits. Set the SWITCH_LIVE bit.
3968 2008-01-24 Andreas Krebbel <krebbel1@de.ibm.com>
3970 * config/s390/s390.h (MOVE_RATIO): Define new target macro.
3972 2008-01-24 Richard Sandiford <rsandifo@nildram.co.uk>
3974 PR tree-optimization/34472
3975 * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
3976 parameter to a "bool *" and set *DATA to false if there is
3977 an unsafe access. Do not delete the structure here.
3978 (check_cond_exprs): Delete it here instead.
3979 (check_cond_exprs, exclude_cold_structs): Do not increase
3980 I when removing a structure.
3982 2008-01-24 Uros Bizjak <ubizjak@gmail.com>
3985 * config/i386/i386.c (ix86_expand_vector_init): Consider only
3986 CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.
3988 2008-01-24 Jakub Jakub Jelinek <jakub@redhat.com>
3991 * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
3992 a fixed vector for stack.
3994 2008-01-24 Ben Elliston <bje@au.ibm.com>
3997 * doc/gcc.texi (Software development): Add a direntry for g++.
3999 2008-01-23 Hans-Peter Nilsson <hp@axis.com>
4001 * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
4002 stale and straggling -fforce-addr comments above.
4004 * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
4006 * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
4007 * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
4009 2008-01-23 Michael Matz <matz@suse.de>
4012 * dwarf2out.c (force_type_die): Use modified_type_die instead of
4015 2008-01-23 Andreas Krebbel <krebbel1@de.ibm.com>
4017 * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
4020 2008-01-23 Anatoly Sokolov <aesok@post.ru>
4022 * config/avr/avr.c (avr_current_arch): New variable.
4023 (avr_arch_types): Add 'avr31' and 'avr51' entries.
4024 (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
4025 (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
4026 (avr_override_options): Init 'avr_current_arch'.
4027 (base_arch_s): Move from here...
4028 * config/avr/avr.h (base_arch_s): ... here. Add new members
4029 'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename
4030 'mega' to 'have_jmp_call'.
4031 (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__",
4032 "__AVR_HAVE_RAMPZ__", "__AVR_HAVE_ELPM__" and "__AVR_HAVE_ELPMX__"
4034 (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51'
4036 * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
4037 MULTILIB_MATCHES): (Ditto.).
4039 2008-01-23 Richard Guenther <rguenther@suse.de>
4042 * cgraphunit.c (cgraph_reset_node): Always mark the node
4043 not reachable if it is not queued already.
4045 2008-01-23 Bernd Schmidt <bernd.schmidt@analog.com>
4047 * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
4048 * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
4049 (cputype_selected): New static variable.
4050 (bfin_handle_option): Set it if -mcpu is used.
4051 (override_option): Select default set of workarounds if no cpu type
4052 selected on the command line.
4053 (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
4055 From Michael Frysinger <michael.frysinger@analog.com>
4056 * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
4057 BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
4059 * config/bfin/elf.h (LIB_SPEC): Use proper linker script
4060 for bf547, bf523, bf524, and bf526.
4061 * config/bfin/bfin.c (bfin_cpus[]): Add bf547, bf523, bf524, and
4063 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
4064 __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
4065 __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
4066 __ADSPBF547__ and __ADSPBF54x__ for bf547.
4067 * doc/invoke.texi (Blackfin Options): Document that
4068 -mcpu now accept bf547, bf523, bf524, and bf526.
4070 2008-01-22 Eric Botcazou <ebotcazou@adacore.com>
4072 PR rtl-optimization/34628
4073 * combine.c (try_combine): Stop and undo after the first combination
4074 if an autoincrement side-effect on the first insn has effectively
4077 2008-01-22 David Edelsohn <edelsohn@gnu.org>
4080 * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
4081 Offset addresses are not valid for Altivec or paired float modes.
4083 2008-01-22 Jakub Jelinek <jakub@redhat.com>
4086 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
4087 if DECL_INITIAL (decl) is error_mark_node.
4090 * c-common.c (handle_vector_size_attribute): Only allow
4091 integral, scalar float and fixed point types. Handle OFFSET_TYPE
4092 the same way as pointer, array etc. types.
4093 * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
4096 * tree.c (build_type_attribute_qual_variant): Call
4097 build_qualified_type if attributes are equal, but quals are not.
4099 2008-01-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4102 * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
4103 * flags.h (warn_strict_aliasing): Remove.
4104 (warn_strict_overflow): Remove.
4105 * opts.c (warn_strict_aliasing): Remove.
4106 (warn_strict_overflow): Remove.
4107 * c-opts.c (c_common_handle_option): -Wall only sets
4108 -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
4109 (c_common_post_options): Give default values to -Wstrict-aliasing
4110 and -Wstrict-overflow if they are uninitialized.
4111 * common.opt (Wstrict-aliasing): Specify Var and Init.
4112 (Wstrict-overflow): Likewise.
4114 2008-01-22 Kenneth Zadeck <zadeck@naturalbridge.com>
4116 PR rtl-optimization/26854
4117 PR rtl-optimization/34400
4118 PR rtl-optimization/34884
4119 * ddg.c (create_ddg_dep_from_intra_loop_link): Use
4121 * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
4122 (df_rd_bb_info.expanded_lr_out): Deleted
4123 * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
4124 * loop_iv.c (iv_analysis_loop_init): Ditto. * df-problems.c
4125 (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
4126 df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
4127 Removed code to allocate, initialize or free expanded_lr_out.
4128 (df_rd_bb_local_compute_process_def): Restructured to make more
4130 (df_rd_confluence_n): Removed code to no apply invalidate_by_call
4131 sets if the sets are being trimmed.
4133 2008-01-22 H.J. Lu <hongjiu.lu@intel.com>
4136 * configure.ac (ld_vers): Support GNU linker version xx.xx.*
4137 (as_vers): Likewise.
4138 * configure: Regenerated.
4140 2008-01-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4143 * tree-pass.h (pass_build_alias): New pass.
4144 * tree-ssa-alias.c (gate_build_alias): New.
4145 (pass_build_alias): New.
4146 * passes.c (init_optimization_passes): Add pass_build_alias after
4147 pass_create_structure_vars.
4149 2008-01-22 Wolfgang Gellerich <gellerich@de.ibm.com>
4151 * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
4152 Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
4153 (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
4154 S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
4155 (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
4156 S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
4157 (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
4158 S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
4159 (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
4160 (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
4161 (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
4162 (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
4163 * config/s390/s390.md (FP_ALL): New mode iterator.
4164 (_d): New mode attribute.
4165 ("*signbit<mode>2>"): Changed mode of first operand.
4166 ("isinf<mode>2"): Changed mode of first operand.
4167 ("*TDC_insn"): Adaptation for DFP modes.
4169 2008-01-22 Ben Elliston <bje@au.ibm.com>
4171 * tree.c (check_qualified_type): Improve function description.
4173 2008-01-21 Jason Merrill <jason@redhat.com>
4176 * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
4177 * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
4180 2008-01-21 DJ Delorie <dj@redhat.com>
4182 * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
4185 2008-01-21 Richard Guenther <rguenther@suse.de>
4188 * tree-cfg.c (verify_expr): Allow all invariant expressions
4189 instead of just constant class ones as reference argument.
4190 * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
4191 like any other constant.
4192 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
4194 2008-01-21 H.J. Lu <hongjiu.lu@intel.com>
4196 * regmove.c (fixup_match_1): Update call crossed frequencies.
4198 2008-01-21 Richard Guenther <rguenther@suse.de>
4201 * tree-inline.c (setup_one_parameter): Deal with mismatched
4202 types using a VIEW_CONVERT_EXPR.
4204 2008-01-21 Alon Dayan <alond@il.ibm.com>
4205 Olga Golovanevsky <olga@il.ibm.com>
4207 PR tree-optimization/34701
4208 * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
4209 when the structure size is not a power of 2.
4211 2008-01-20 Kenneth Zadeck <zadeck@naturalbridge.com>
4213 * doc/install.texi: Add doc for --enable-checking=df.
4215 2008-01-20 Kaz Kojima <kkojima@gcc.gnu.org>
4217 PR rtl-optimization/34808
4218 * emit-rtl.c (try_split): Handle REG_RETVAL notes.
4220 2008-01-20 Richard Sandiford <rsandifo@nildram.co.uk>
4222 * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
4225 2008-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
4227 PR rtl-optimization/26854
4228 PR rtl-optimization/34400
4229 * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
4231 * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
4232 (df_rd_bb_info.expanded_lr_out): New.
4233 * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
4234 * loop_iv.c (iv_analysis_loop_init): Ditto.
4235 * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
4236 df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
4237 Added code to allocate, initialize or free expanded_lr_out.
4238 (df_rd_bb_local_compute_process_def): Restructured to make
4239 more understandable.
4240 (df_rd_confluence_n): Add code to do nothing with fake edges and
4241 code to no apply invalidate_by_call sets if the sets are being trimmed.
4242 (df_lr_local_finalize): Renamed to df_lr_finalize.
4243 (df_live_local_finalize): Renamed to df_live_finalize.
4245 2008-01-20 Richard Sandiford <rsandifo@nildram.co.uk>
4248 * config/mips/mips.md (div<mode>3): Use <recip_condition> when
4249 deciding whether to use reciprocal instructions.
4251 2008-01-19 Uros Bizjak <ubizjak@gmail.com>
4253 * dwarf2out.c (dwarf2out_switch_text_section): Do not call
4254 dwarf2out_note_section_used if cold_text_section is NULL.
4256 2008-01-19 Jakub Jelinek <jakub@redhat.com>
4258 PR gcov-profile/34610
4259 * tree-cfg.c (make_edges): Mark both outgoing edges from
4260 OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
4261 * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
4262 from OMP_FOR and OMP_CONTINUE outgoing edges.
4264 * tree-profile.c (tree_profiling): Return early if
4265 cfun->after_tree_profile != 0. Set cfun->after_tree_profile
4267 * omp-low.c (expand_omp_parallel): Copy after_tree_profile
4268 from cfun to child_cfun.
4269 * function.h (struct function): Add after_tree_profile bit.
4271 2008-01-19 Anatoly Sokolov <aesok@post.ru>
4273 * config/avr/avr.S (_exit): Disable interrupt.
4275 2008-01-18 Kenneth Zadeck <zadeck@naturalbridge.com>
4276 Steven Bosscher <stevenb.gcc@gmail.com>
4278 PR rtl-optimization/26854
4279 PR rtl-optimization/34400
4280 * df-problems.c (df_live_scratch): New scratch bitmap.
4281 (df_live_alloc): Allocate df_live_scratch when doing df_live.
4282 (df_live_reset): Clear the proper bitmaps.
4283 (df_live_bb_local_compute): Only process the artificial defs once
4284 since the order is not important.
4285 (df_live_init): Init the df_live sets only with the variables
4286 found live by df_lr.
4287 (df_live_transfer_function): Use the df_lr sets to prune the
4288 df_live sets as they are being computed.
4289 (df_live_free): Free df_live_scratch.
4291 2008-01-18 Ian Lance Taylor <iant@google.com>
4293 * common.opt: Add fmerge-debug-strings.
4294 * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
4295 flag_merge_debug_strings rather than flag_merge_constants.
4296 * doc/invoke.texi (Option Summary): Mention
4297 -fmerge-debug-strings.
4298 (Debugging Options): Document -fmerge-debug-strings.
4300 2008-01-18 Ian Lance Taylor <iant@google.com>
4303 * tree.h (DECL_IS_OPERATOR_NEW): Define.
4304 (struct tree_function_decl): Add new field operator_new_flag.
4305 * tree-inline.c (expand_call_inline): When inlining a call to
4306 operator new, force the return value to go into a variable, and
4307 set DECL_NO_TBAA_P on that variable.
4308 * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
4310 2008-01-18 Uros Bizjak <ubizjak@gmail.com>
4313 * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
4314 DWARF2_DEBUGGING_INFO.
4315 (dwarf2out_note_section_used): Ditto. Add prototype.
4316 (have_multiple_function_sections, text_section_used,
4317 cold_text_section_used, *cold_text_sections): Move declarations
4320 2008-01-17 Bob Wilson <bob.wilson@acm.org>
4322 * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
4323 field and add signal_ra.
4324 * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
4325 assignments to frame state pc. Move end of stack check after
4326 MD_FALLBACK_FRAME_STATE_FOR.
4327 (uw_update_context_1): Use frame state signal_regs if set, instead
4328 of checking signal_frame flag.
4329 (uw_update_context): Use frame state signal_ra if set.
4330 * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
4331 * config/xtensa/linux-unwind.h: New file.
4333 2008-01-18 Bernhard Fischer <aldot@gcc.gnu.org>
4335 * modulo-sched.c (get_sched_window): Fix comment typo.
4337 2008-01-17 Andrew MacLeod <amacleod@redhat.com>
4339 PR tree-optimization/34648
4340 * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
4342 2008-01-17 Anatoly Sokolov <aesok@post.ru>
4344 * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
4345 * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
4347 2008-01-17 Seongbae Park <seongbae.park@gmail.com>
4349 PR rtl-optimization/34400
4350 * df-core.c (df_worklist_dataflow_overeager,
4351 df_worklist_dataflow_doublequeue): New functions.
4352 (df_worklist_dataflow): Two different worklist solvers.
4353 * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
4356 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
4359 * doc/invoke.texi: Document the dependence on pthread for fopenmp
4360 and ftree-parallelize-loops.
4362 2008-01-17 Mircea Namolaru <namolaru@il.ibm.com>
4364 PR rtl-optimization/34826
4365 * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
4367 2008-01-17 Andreas Krebbel <krebbel1@de.ibm.com>
4369 * global.c (find_reg): Mark the eh regs as used if necessary.
4370 * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
4371 * ra.h (struct allocno): no_eh_reg field added. Changed
4372 no_stack_reg type to bitfield.
4374 2008-01-17 Eric Botcazou <ebotcazou@adacore.com>
4376 * tree.c (substitute_in_expr): Add missing 'break'.
4378 2008-01-17 Richard Guenther <rguenther@suse.de>
4380 PR tree-optimization/34825
4381 * tree-ssa-math-opts.c (is_division_by): Do not recognize
4382 x / x as division to handle.
4384 2008-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4386 * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
4387 "-pthread" is specified.
4388 * pa-hpux11.h (LIB_SPEC): Likewise.
4390 2008-01-16 Janis Johnson <janis187@us.ibm.com>
4391 Peter Bergner <bergner@vnet.ibm.com>
4393 PR rtl-optimization/33796
4394 * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
4396 2008-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4398 PR libgfortran/34699
4399 * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
4401 * pa-hpux10.h (LINK_SPEC): Likewise.
4402 * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
4404 2008-01-16 Richard Guenther <rguenther@suse.de>
4407 * fold-const.c (fold_convert_const_int_from_int): Do not
4408 set overflow if that occured only because of a sign extension
4409 change when converting from/to a sizetype with the same
4410 precision and signedness.
4412 2008-01-16 Uros Bizjak <ubizjak@gmail.com>
4415 * dwarf2out.c (output_call_frame_info): Move output of FDE initial
4416 location address to the correct place. Update copyright year.
4418 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
4420 * lambda-code.c (lambda_transform_legal_p): Handle the case of
4421 no dependences in the dependence_relations vector.
4423 2008-01-16 Jan Hubicka <jh@suse.cz>
4425 PR rtl-optimization/31396
4426 * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
4427 * cfg.c (dump_reg_info): Print it.
4428 * regs.h (struct reg_info_t): add freq_calls_crossed.
4429 (REG_FREQ_CALLS_CROSSED): New macro.
4430 * global.c (global_alloc): Compute freq_calls_crossed for allocno.
4431 (find_reg): Update call of CALLER_SAVE_PROFITABLE.
4432 * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
4433 regmove_optimize): Update call crossed frequencies.
4434 * local-alloc.c (struct qty): Add freq_calls_crossed.
4435 (alloc_qty): Copute freq_calls_crossed.
4436 (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
4437 (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
4438 * ra.h (struct allocno): Add freq_calls_crossed.
4440 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
4442 * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
4443 libgomp when compiling with ftree-parallelize-loops.
4444 (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
4446 2008-01-16 Richard Guenther <rguenther@suse.de>
4448 PR tree-optimization/34769
4449 * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
4450 * tree.c (int_cst_value): Instead make this function more
4451 permissive in what it accepts as valid input. Document this
4452 function always sign-extends the value.
4454 2008-01-16 Jakub Jelinek <jakub@redhat.com>
4455 Richard Guenther <rguenther@suse.de>
4458 * gimplify.c (fold_indirect_ref_rhs): Rename to ...
4459 (gimple_fold_indirect_ref_rhs): ... this.
4460 (gimple_fold_indirect_ref): New function with foldings
4461 that preserve lvalueness.
4462 (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
4463 * tree-flow.h (gimple_fold_indirect_ref): Declare.
4464 * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
4465 to fold an INDIRECT_REF, fall back to the old use of
4466 fold_indirect_ref_1.
4468 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
4470 * tree-data-ref.c (subscript_dependence_tester_1): Call
4471 free_conflict_function.
4472 (compute_self_dependence): Same.
4474 2008-01-16 Uros Bizjak <ubizjak@gmail.com>
4477 * debug.h (dwarf2out_switch_text_section): Move declaration from ...
4478 * dwarf2out.c (dwarf2out_switch_text_section): ... here. Make
4480 * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
4481 Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
4482 for DWARF2_UNWIND_INFO targets.
4484 2008-01-16 Richard Guenther <rguenther@suse.de>
4487 * c-typeck.c (common_pointer_type): Do not merge inconsistent
4488 type qualifiers for function types.
4490 2008-01-15 Jerry DeLisle <jvdelisle@gcc.gnu.org>
4492 * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
4493 loop_iterator li from previous commit.
4495 2008-01-15 Sebastian Pop <sebastian.pop@amd.com>
4497 * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
4499 2008-01-12 Sebastian Pop <sebastian.pop@amd.com>
4501 * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
4502 (parallelize_loops): Don't parallelize irreducible components.
4504 2008-01-14 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4507 * c-opts (c_common_post_options): Do not enable CPP
4508 flag_pedantic_errors by default.
4510 2008-01-14 Eric Botcazou <ebotcazou@adacore.com>
4512 PR rtl-optimization/31944
4513 * cse.c (remove_pseudo_from_table): New function.
4514 (merge_equiv_classes): Use above function to remove pseudo-registers.
4515 (invalidate): Likewise.
4517 2008-01-13 Richard Guenther <rguenther@suse.de>
4520 * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
4521 instead of TYPE_MODE to deal with calls from expand_one_error_var.
4523 2008-01-13 Uros Bizjak <ubizjak@gmail.com>
4525 * gcse.c (cprop_jump): Call validate_unshare_change instead of
4526 validate_change to unshare the source of the PC set.
4528 2008-01-12 Jan Hubicka <jh@suse.cz>
4531 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
4532 references above array bounds. This might trigger bounds checks for
4535 2008-01-12 Sebastian Pop <sebastian.pop@amd.com>
4537 * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
4538 new_replaceable_dependencies.
4540 2008-01-12 Doug Kwan <dougkwan@google.com>
4542 * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
4543 instead of OPT_Wreturn_type in warning due to ignored return type
4545 * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
4546 options included in -Wextra.
4547 * c.opt: New option -Wignored_qualifiers.
4548 * doc/invoke.texi (Warning Options, -Wextra): Add new option
4549 -Wignore_qualifiers.
4550 (-Wignored-qualifiers): Document.
4551 (-Wreturn-type): Remove description of functionality now handled
4552 by -Wignored-qualifiers.
4554 2008-01-12 Eric Botcazou <ebotcazou@adacore.com>
4557 * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
4558 NOP_EXPR if it is between integral types with the same precision.
4560 2008-01-12 Jan Hubicka <jh@suse.cz>
4563 * invoke.texi (max-inline-recursive-depth): Fix default value.
4565 2008-01-12 Zdenek Dvorak <ook@ucw.cz>
4567 * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
4570 2008-01-11 Bob Wilson <bob.wilson@acm.org>
4572 * config/xtensa/xtensa.c (override_options): Set flag_shlib.
4574 2008-01-11 James E. Wilson <wilson@specifix.com>
4577 * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
4579 2008-01-11 Anatoly Sokolov <aesok@post.ru>
4581 * config/avr/avr.c (expand_prologue, expand_epilogue): Don't
4582 save/restore frame pointer register and don't use 'call-prologues'
4583 optimization in function with "OS_task" attribute.
4585 2008-01-11 Eric Botcazou <ebotcazou@adacore.com>
4588 * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
4589 when copying to memory.
4591 2008-01-11 Steven Bosscher <stevenb.gcc@gmail.com>
4593 PR rtl-optimization/30905
4594 * cfgcleanup.c: Include dce.h
4595 (crossjumps_occured): New global variable.
4596 (try_crossjump_bb): Exit loop after finding a fallthru edge.
4597 If something changed, set crossjumps_occured to true.
4598 (try_optimize_cfg): Clear crossjumps_occured at the beginning.
4599 Don't add/remove fake edges to exit here...
4600 (cleanup_cfg): ...but do it here, when crossjumping.
4601 Run a fast DCE when successful crossjumps occured in the latest
4602 iteration of try_optimize_cfg.
4604 2008-01-11 Richard Guenther <rguenther@suse.de>
4606 * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
4607 (struct vn_unary_op_s): Likewise.
4608 (vn_reference_insert): Free old reference on hash collision.
4610 2008-01-10 Raksit Ashok <raksit@google.com>
4612 PR rtl-optimization/27971
4613 * combine.c (find_split_point): Split PLUS expressions which are
4614 inside a MEM rtx, and whose first operand is complex.
4616 2008-01-10 DJ Delorie <dj@redhat.com>
4618 * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
4619 (m32c_hard_regno_nregs): ...this, which is now a wrapper.
4620 (m32c_hard_regno_ok): Call the underlying function.
4622 2008-01-10 Richard Guenther <rguenther@suse.de>
4625 * tree-cfg.c (tree_merge_blocks): Do not go through the
4626 full-blown folding and stmt updating path if we just deal
4627 with virtual operands.
4628 * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
4629 test for abnormal SSA_NAMEs.
4631 2008-01-10 Andreas Krebbel <krebbel1@de.ibm.com>
4634 * reload.c (push_reload): Add assertions. All constants from
4635 reg_equiv_constant should have been used for replacing the respective
4637 (find_reloads_address): Invoke find_reloads_address_part for
4638 constant taken from the reg_equiv_constant array.
4640 2008-01-10 Steven Bosscher <stevenb.gcc@gmail.com>
4642 * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
4643 field (valnum) the first in the struct. Replace bools with
4646 2008-01-10 Richard Guenther <rguenther@suse.de>
4648 PR tree-optimization/34651
4649 * tree-sra.c (sra_build_assignment): Sanitize. Use the correct
4650 types and ordering for masking and converting.
4652 2008-01-09 Sebastian Pop <sebastian.pop@amd.com>
4654 PR tree-optimization/34017
4655 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
4656 also for PHI_NODE expressions.
4658 2008-01-09 Jan Hubicka <jh@suse.cz>
4660 PR tree-optimization/34708
4661 * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
4662 based on number of case labels.
4663 (init_inline_once): Remove switch_cost.
4664 * tree-inline.h (eni_weights_d): Remove switch_cost.
4666 2008-01-09 Richard Guenther <rguenther@suse.de>
4667 Andrew Pinski <andrew_pinski@playstation.sony.com>
4670 * gimplify.c (gimplify_cond_expr): Do not create an addressable
4671 temporary if an rvalue is ok or an lvalue is not required.
4673 2008-01-09 Richard Guenther <rguenther@suse.de>
4676 * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
4679 2008-01-09 Richard Guenther <rguenther@suse.de>
4682 * tree.c (host_integerp): Check for sizetype only if the
4683 type is an integer type.
4685 2008-01-09 Steven Bosscher <stevenb.gcc@gmail.com>
4688 * opts.c (decode_options): Disable inlining of functions called
4689 once if not in unit-at-a-time mode.
4691 2008-01-09 Alexandre Oliva <aoliva@redhat.com>
4693 * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
4695 2008-01-08 Richard Guenther <rguenther@suse.de>
4698 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
4699 out early if the result will be unused.
4701 2008-01-08 Uros Bizjak <ubizjak@gmail.com>
4706 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
4707 * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
4710 2008-01-08 Jan Sjodin <jan.sjodin@amd.com>
4712 * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
4713 for vectorization tuned.
4715 2008-01-08 Richard Guenther <rguenther@suse.de>
4717 PR tree-optimization/34683
4718 * tree-ssa-operands.c (operand_build_cmp): Export.
4719 * tree-ssa-operands.h (operand_build_cmp): Declare.
4720 * tree-vn.c (vuses_compare): Remove.
4721 (sort_vuses): Use operand_build_cmp.
4722 (sort_vuses_heap): Likewise.
4723 * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
4724 to re-use old VEC if available. Do not sort already sorted VUSEs.
4725 (vdefs_to_vec): Do not sort already sorted VDEFs.
4727 2008-01-08 Jakub Jelinek <jakub@redhat.com>
4730 * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
4732 2008-01-08 Uros Bizjak <ubizjak@gmail.com>
4735 * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
4736 limitations of reciprocal sequences on x86 targets.
4738 2008-01-08 Richard Guenther <rguenther@suse.de>
4740 PR tree-optimization/34683
4741 * tree-flow-inline.h (var_ann): Remove overzealous asserts.
4743 2008-01-07 Jakub Jelinek <jakub@redhat.com>
4746 * config/darwin.c (darwin_mergeable_string_section): Don't use
4747 .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
4749 2008-01-07 Uros Bizjak <ubizjak@gmail.com>
4752 * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
4753 negxf2. Macroize expander using X87MODEF mode iterator. Change
4754 predicates of op0 and op1 to register_operand.
4755 (abs<mode>2): Rename from abssf2, absdf2 and negxf2. Macroize
4756 expander using X87MODEF mode iterator. Change predicates of
4757 op0 and op1 to register_operand.
4758 ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
4759 corresponding patterns and macroize using MODEF macro. Change
4760 predicates of op0 and op1 to register_operand and remove
4761 "m" constraint. Disparage "r" alternative with "!".
4762 ("*absneg<mode>2_i387"): Rename from corresponding patterns and
4763 macroize using X87MODEF macro. Change predicates of op0 and op1
4764 to register_operand and remove "m" constraint. Disparage "r"
4765 alternative with "!".
4766 (absneg splitter with memory operands): Remove.
4767 ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
4768 patterns and macroize using X87MODEF mode iterator.
4769 * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
4770 Change predicate of op1 to register_operand.
4771 * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
4772 for memory operands.
4774 2008-01-07 Nathan Froyd <froydnj@codesourcery.com>
4776 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
4778 2008-01-07 Richard Guenther <rguenther@suse.de>
4780 * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
4783 2008-01-07 Richard Guenther <rguenther@suse.de>
4785 PR tree-optimization/34683
4786 * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
4787 VOPs of the needed size to save memory. Use VEC_quick_push
4788 to save compile-time.
4789 (vdefs_to_vec): Likewise.
4791 2008-01-07 Sa Liu <saliu@de.ibm.com>
4793 * config/spu/spu.md (divdf3): Genetate inline code for double
4794 division. The implementation doesn't handle INF or NAN, therefore it
4795 only applies when -ffinite-math-only is given.
4797 2008-01-06 Paolo Carlini <pcarlini@suse.de>
4800 * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
4801 * doc/cpp.texi ([Common Predefined Macros]): Document.
4803 2008-01-06 Uros Bizjak <ubizjak@gmail.com>
4805 * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
4806 order to use commutative addition instead of subtraction.
4808 2008-01-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
4809 Mircea Namolaru <namolaru@il.ibm.com>
4810 Vladimir Yanovsky <yanov@il.ibm.com>
4811 Revital Eres <eres@il.ibm.com>
4813 PR tree-optimization/34263
4814 * tree-outof-ssa.c (process_single_block_loop_latch,
4815 contains_tree_r): New functions.
4816 (analyze_edges_for_bb): Call process_single_block_loop_latch
4817 function to empty single-basic-block latch block if possible.
4819 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
4821 * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
4823 (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
4825 2008-01-05 Richard Sandiford <rsandifo@nildram.co.uk>
4827 * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
4829 2008-01-05 Richard Sandiford <rsandifo@nildram.co.uk>
4831 * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
4833 2008-01-05 Jakub Jelinek <jakub@redhat.com>
4835 PR tree-optimization/34618
4836 * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
4839 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
4842 * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
4843 in the call to gen_rtx_NE. Remove unneeded VECTOR_MODE_P check.
4844 Update copyright year.
4846 * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
4847 Update copyright year.
4848 * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
4851 2008-01-05 Zhouyi Zhou <zhouzhouyi@FreeBSD.org>
4853 * tree-vrp.c (find_conditional_asserts): Remove redundant check that
4854 edge does not point to current bb before changing need_assert.
4856 2008-01-04 Richard Guenther <rguenther@suse.de>
4859 * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
4860 for verifying purposes if they are is_gimple_min_invariant.
4862 2008-01-04 Aldy Hernandez <aldyh@redhat.com>
4864 PR tree-optimization/34448
4865 PR tree-optimization/34465
4866 * gimplify.c (gimplify_init_constructor): Add new parameter
4867 notify_temp_creation. Use it.
4868 (gimplify_modify_expr_rhs): Take volatiles into account when
4869 optimizing constructors.
4870 Do not optimize constructors if gimplify_init_constructor will dump to
4872 * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
4873 * gcc.c-torture/compile/pr34448.c: New.
4875 2008-01-04 Jakub Jelinek <jakub@redhat.com>
4877 PR gcov-profile/34609
4878 * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
4879 return_slot if result is TREE_ADDRESSABLE.
4881 2008-01-04 Richard Sandiford <rsandifo@nildram.co.uk>
4883 * config/mips/mips.md (sqrt_condition): Tweak comment.
4884 (recip_condition): Likewise. Require TARGET_FLOAT64 for DFmode.
4886 2008-01-03 Tom Tromey <tromey@redhat.com>
4889 * c-common.c (c_type_hash): Handle VLAs.
4891 2008-01-03 Jan Hubicka <jh@suse.cz>
4893 PR tree-optimization/31081
4894 * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
4895 0 when inlining and not inlining to first basic block.
4896 (remap_decl): When var is initialized to 0, don't set default_def.
4897 (expand_call_inline): Set entry_bb.
4898 * tree-inline.h (copy_body_data): Add entry_bb.
4900 2008-01-03 Jakub Jelinek <jakub@redhat.com>
4903 * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
4906 PR tree-optimization/29484
4907 * tree-inline.c (inline_forbidden_p_2): New function.
4908 (inline_forbidden_p): Disallow inlining if some static var
4909 has an address of a local LABEL_DECL in its initializer.
4910 * doc/extend.texi (Labels as Values): Document &&foo behaviour
4913 2008-01-03 Sebastian Pop <sebastian.pop@amd.com>
4915 PR tree-optimization/34635
4916 * tree-data-ref.c (add_other_self_distances): Make sure that the
4917 evolution step is constant.
4919 2008-01-03 Jakub Jelinek <jakub@redhat.com>
4922 * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
4924 2008-01-02 Richard Sandiford <rsandifo@nildram.co.uk>
4926 * tree-sra.c (scalarize_init): Insert the generate_element_init
4927 statements after the generate_element_zero statements.
4929 2008-01-02 Richard Guenther <rguenther@suse.de>
4933 * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
4934 for very large number of operands instead of ICEing.
4936 2008-01-02 Arthur Norman <acn1@cam.ac.uk>
4939 * config/i386/i386.c (ix86_expand_prologue): Save red-zone
4940 while stack probing.
4942 2008-01-01 Douglas Gregor <doug.gregor@gmail.com>
4944 * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
4947 2008-01-01 Volker Reichelt <v.reichelt@netcologne.de>
4950 * tree-mudflap.c (mx_register_decls): Guard warning by
4951 !DECL_ARTIFICIAL check.
4953 2008-01-01 Jakub Jelinek <jakub@redhat.com>
4955 * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
4956 sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
4957 sse5_perm<mode>): Fix constraints.
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