1 2008-03-28 Rafael Espindola <espindola@google.com>
3 * fold-const.c (tree_unary_nonnegative_warnv_p): Make it public.
4 (tree_binary_nonnegative_warnv_p): Make it public.
5 (tree_single_nonnegative_warnv_p): Make it public.
6 (tree_invalid_nonnegative_warnv_p): Make it public.
7 (tree_unary_nonzero_warnv_p): Make it public.
8 (tree_binary_nonzero_warnv_p): Make it public
9 (tree_single_nonzero_warnv_p): Make it public.
10 * tree-vrp.c (vrp_evaluate_conditional_warnv_with_ops): New function.
11 (extract_range_from_binary_expr): Split the expr argument.
12 (extract_range_from_unary_expr): Split the expr argument.
13 (extract_range_from_comparison): Split the expr argument.
14 (extract_range_from_expr): Use the new aux functions.
15 (vrp_evaluate_conditional_warnv): Use
16 vrp_evaluate_conditional_warnv_with_ops.
17 * tree.h (tree_unary_nonzero_warnv_p): Declare.
18 (tree_binary_nonzero_warnv_p): Declare.
19 (tree_single_nonzero_warnv_p): Declare.
20 (tree_expr_nonzero_warnv_p): Declare.
21 (tree_unary_nonnegative_warnv_p): Declare.
22 (tree_binary_nonnegative_warnv_p): Declare.
23 (tree_single_nonnegative_warnv_p): Declare.
24 (tree_invalid_nonnegative_warnv_p): Declare.
26 2008-03-28 Richard Guenther <rguenther@suse.de>
28 PR tree-optimization/30317
29 PR tree-optimization/30911
30 PR tree-optimization/34793
31 * tree-vrp.c (set_and_canonicalize_value_range): New function.
32 (struct assert_locus_d): New member EXPR.
33 (register_new_assert_for): Add EXPR parameter to support
34 ASSERT_EXPR <name, expr OP limit>.
35 (register_edge_assert_for_1): Adjust callers.
36 (find_assert_locations): Likewise.
37 (process_assert_insertions_for): Build condition from
39 (extract_range_from_assert): Handle ASSERT_EXPRs
40 of the form ASSERT_EXPR <name, expr OP limit>.
41 (register_edge_assert_for_2): New helper registering
42 asserts for comparisons. Recognize range tests of the form
43 (unsigned)i - CST1 OP CST2.
44 (register_edge_assert_for_1): Use it.
45 (register_edge_assert_for): Likewise.
46 (needs_overflow_infinity): Integer sub-types
47 do not need overflow infinities.
48 (vrp_val_is_max): The extreme values of integer sub-types
49 are those of the base type.
50 (vrp_val_is_min): Likewise.
51 * tree.def (ASSERT_EXPR): Document extra allowed conditional
54 2008-03-28 Nick Clifton <nickc@redhat.com>
56 * config/mn10300/mn10300.c (mn10300_secondary_reload_class):
57 Return GENERAL_REGS for stack adjustment reloads.
59 2008-03-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
62 * config/rs6000/rs6000.c (rs6000_expand_vector_init): Create a
63 const_vector when all the vectors are constant.
65 2008-03-27 Bob Wilson <bob.wilson@acm.org>
67 * config/xtensa/xtensa.c (gen_float_relational): Handle unordered
69 * config/xtensa/xtensa.md (any_cond): Add unordered comparisons.
70 (any_scc_sf): Add uneq, unlt, unle and unordered operators.
72 (s<code>_sf): Use new scc_sf attribute for opcode names.
74 2008-03-27 Tom Tromey <tromey@redhat.com>
76 * doc/sourcebuild.texi, doc/install.texi, configure, aclocal.m4,
77 configure.ac, Makefile.in, config/t-darwin, config/m32c/t-m32c,
78 config/spu/t-spu-elf, config/i386/t-interix,
79 config/i386/t-cygming, config/i386/x-i386, config/i386/t-cygwin,
80 config/i386/x-darwin, config/i386/x-mingw32,
81 config/i386/t-netware, config/i386/x-cygwin, config/i386/t-nwld,
82 config/sh/t-sh, config/sh/t-symbian, config/x-linux,
83 config/t-sol2, config/x-hpux, config/x-darwin, config/ia64/t-ia64,
84 config/x-solaris, config/t-vxworks, config/m68k/t-uclinux,
85 config/rs6000/x-rs6000, config/rs6000/x-darwin64,
86 config/rs6000/x-darwin, config/rs6000/t-rs6000,
87 config/score/t-score-elf, config/arm/t-strongarm-pe,
88 config/arm/t-pe, config/arm/t-arm, config/arm/t-wince-pe,
89 config/v850/t-v850, config/v850/t-v850e, config/bfin/t-bfin-linux:
90 Revert automatic dependency patch.
92 2008-03-27 H.J. Lu <hongjiu.lu@intel.com>
95 * config/i386/i386.c (ix86_function_arg_boundary): Align
96 decimal floating point to its natural boundary.
98 2008-03-27 Richard Guenther <rguenther@suse.de>
101 * fold-const.c (fold_comparison): Restrict distinct decl
102 comparison folding to VAR_DECLs and PARM_DECLs. Do not
103 solely rely on operand_equal_p.
105 2008-03-27 Richard Guenther <rguenther@suse.de>
108 * c-common.c (handle_weak_attribute): Reject combination of
111 2008-03-27 Richard Guenther <rguenther@suse.de>
113 PR tree-optimization/32810
114 * tree-ssa-ccp.c (get_symbol_constant_value): Strip useless
115 conversions from DECL_INITIAL.
116 (fold_const_aggregate_ref): Likewise from constructor elements.
118 2008-03-27 Zdenek Dvorak <ook@ucw.cz>
120 * tree-affine.h (aff_combination_expand): Declare.
121 (get_inner_reference_aff): Likewise.
122 * tree-affine.c (aff_combination_expand): Split out from
123 tree_to_aff_combination_expand.
124 (get_inner_reference_aff): New function.
125 * tree-parloops.c (loop_parallel_p): Free vectorizer info.
126 * tree-ssa-loop-im.c: Include tree-affine.h and pointer-set.h.
127 (struct lim_aux_data): sm_done field removed.
128 (mem_ref_loc_p, mem_ref_locs_p): New types.
129 (struct mem_ref): Added id, stored, accesses_in_loop,
130 indep_loop, dep_loop, indep_ref, dep_ref fields.
131 Removed is_stored, locs and next fields.
132 (memory_accesses): New variable.
133 (movement_possibility): Do not allow moving statements
134 that store to memory.
135 (outermost_indep_loop, simple_mem_ref_in_stmt, mem_ref_in_stmt):
137 (determine_max_movement): For statements with memory references,
138 find the outermost loop in that the reference is independent.
139 (move_computations_stmt): Mark the virtual operands for
141 (memref_free, mem_ref_alloc, mem_ref_locs_alloc, mark_ref_stored,
142 gather_mem_refs_stmt, gather_mem_refs_in_loops, vtoe_hash, vtoe_eq,
143 vtoe_free, record_vop_access, get_vop_accesses, get_vop_stores,
144 add_vop_ref_mapping, create_vop_ref_mapping_loop,
145 create_vop_ref_mapping, analyze_memory_references,
146 cannot_overlap_p, mem_refs_may_alias_p, rewrite_mem_ref_loc,
147 get_all_locs_in_loop, ref_always_accessed_p,
148 refs_independent_p, record_indep_loop, ref_indep_loop_p_1,
149 ref_indep_loop_p, can_sm_ref_p, find_refs_for_sm,
150 store_motion_loop, store_motion): New functions.
151 (struct vop_to_refs_elt): New type.
152 (record_mem_ref_loc, free_mem_ref_locs, rewrite_mem_refs,
153 memref_hash, memref_eq, hoist_memory_references): Rewritten.
154 (schedule_sm): Replaced by...
155 (execute_sm): ... this.
156 (determine_lsm_ref, hoist_memory_references,
157 loop_suitable_for_sm, gather_mem_refs_stmt, gather_mem_refs,
158 find_more_ref_vops, free_mem_ref, free_mem_refs,
159 determine_lsm_loop, determine_lsm): Removed.
160 (tree_ssa_lim_finalize): Free data structures used by store
162 (tree_ssa_lim): Call analyze_memory_references. Use
163 store_motion instead of determine_lsm.
165 2008-03-27 Paolo Bonzini <bonzini@gnu.org>
167 * config.cc (m68hc11, m6811, m68hc12, m6812): Add usegas.h,
168 rename tmake_file to m68hc11/t-m68hc11.
169 (mcore): Set inhibit_libc to true.
170 * config.host (alpha*-dec-*vms*): Set extra_programs.
171 (interix3*): Don't use host_xmake_file.
172 * configure.ac: Let config.gcc override inhibit_libc.
173 * configure: Regenerate.
175 * config/alpha/x-vms (EXTRA_PROGRAMS): Remove.
176 * config/t-openbsd-thread: Remove commented out lines.
178 * config/x-interix: Remove.
180 * config/m68hc11/t-m68hc11-gas: Rename to...
181 * config/m68hc11/t-m68hc11: ... this. Remove T_CPPFLAGS.
183 * config/mcore/t-mcore: Remove T_CFLAGS.
184 * config/mcore/t-mcore-pe: Likewise.
186 2008-03-27 Paolo Bonzini <bonzini@gnu.org>
188 * configure.ac: Replace custom __GNU_SOURCE test with
189 AC_USE_SYSTEM_EXTENSIONS. Move it earlier.
190 * aclocal.m4: Regenerate.
191 * configure: Regenerate.
192 * config.in: Regenerate.
194 2008-03-27 Richard Guenther <rguenther@suse.de>
196 * fold-const.c (target.h): Include.
197 (fold_comparison): Fold comparison of addresses of decls
198 that bind locally or of constants. Consolidate address folding code.
199 * tree-vrp.c (operand_less_p): Deal with non-INTEGER_CST
200 results from fold_binary_to_constant.
201 (compare_values_warnv): Likewise.
203 2008-03-27 Andrew Pinski <pinskia@gmail.com>
206 * fold-const.c (fold_truthop): Check for integeral types when folding
207 a == 0 && b == 0 and a != 0 || b != 0 .
209 2008-03-26 Eric Botcazou <ebotcazou@adacore.com>
211 * tree.c (get_unwidened): Remove code fiddling with COMPONENT_REF.
213 2008-03-26 Andreas Schwab <schwab@suse.de>
215 * doc/invoke.texi: Fix use of @item vs. @itemx.
217 2008-03-26 Tom Tromey <tromey@redhat.com>
219 * Makefile.in (build/gensupport.o, build/print-rtl.o,
220 build/read-rtl.o, build/rtl.o, build/gencondmd.o, build/genattr.o,
221 build/genattrtab.o, build/genautomata.o, build/gencheck.o,
222 build/gencodes.o, build/genconditions.o, build/genconfig.o,
223 build/genconstants.o, build/genemit.o, build/genextract.o,
224 build/genflags.o, build/genmddeps.o, build/genopinit.o,
225 build/genoutput.o, build/genpeep.o, build/genrecog.o): Depend on
228 2008-03-26 Richard Guenther <rguenther@suse.de>
231 2008-03-26 Richard Guenther <rguenther@suse.de>
233 * fold-const.c (target.h): Include.
234 (fold_comparison): Fold comparison of addresses of two decls
235 that bind locally. Consolidate address folding code.
237 2008-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
239 * builtins.c (expand_builtin_pow, fold_builtin_cabs,
240 fold_builtin_sqrt, fold_builtin_cbrt, fold_builtin_logarithm,
241 fold_builtin_hypot, fold_builtin_pow): Remove uses of dconst3,
242 dconstsqrt2, dconstthird, dconste and/or dconst10.
243 * config/i386/i386.c (ix86_emit_swsqrtsf): Likewise.
244 * emit-rtl.c (dconst3, dconst10, dconstm2, dconstthird,
245 dconstsqrt2, dconste): Delete.
246 (init_emit_once): Likewise. Simplify initializing dconstm1.
248 * real.c (get_real_const): New.
249 * real.h (dconst3, dconst10, dconstm2, dconstthird,
250 dconstsqrt2, dconste): Delete.
251 (real_value_const, get_real_const): New.
253 2008-03-26 H.J. Lu <hongjiu.lu@intel.com>
255 * config/i386/cygming.h (BIGGEST_ALIGNMENT): Removed.
257 * config/i386/i386.c (ix86_function_arg_boundary): Check
258 BIGGEST_ALIGNMENT instead of 128.
259 (setup_incoming_varargs_64): Likewise.
261 2008-03-26 Tom Tromey <tromey@redhat.com>
263 * Makefile.in (DEPFILES): Add missing '/'.
265 2008-03-26 Richard Guenther <rguenther@suse.de>
267 * fold-const.c (target.h): Include.
268 (fold_comparison): Fold comparison of addresses of two decls
269 that bind locally. Consolidate address folding code.
271 2008-03-26 Nick Clifton <nickc@redhat.com>
274 * config/stormy16/stormy16.c (xstormy16_legitimate_address_p): Do
275 not allow INT+INT as a legitimate addressing mode.
277 2008-03-26 Richard Guenther <rguenther@suse.de>
279 * tree-flow.h (widen_bitfield): Remove declaration.
280 * tree-ssa-ccp.c (visit_assignment): Remove unneeded code.
281 (widen_bitfield): Remove function.
282 * tree-ssa-dom.c (record_equivalences_from_stmt): Remove unneeded
285 2008-03-25 Andrew Pinski <andrew_pinski@playstation.sony.com>
288 * config/rs6000/rs6000-c.c (rs6000_builtin_type_compatible): Handle
291 2008-03-25 Richard Sandiford <rsandifo@nildram.co.uk>
293 PR rtl-optimization/35232
294 * reload1.c (reg_reloaded_call_part_clobbered): Clarify comment.
295 (forget_old_reloads_1, forget_marked_reloads): Don't clear
296 reg_reloaded_call_part_clobbered here.
297 (reload_regs_reach_end_p): New function.
298 (reload_reg_rtx_for_input): New variable.
299 (reload_reg_rtx_for_output): Likewise.
300 (emit_input_reload_insns): Use reloadreg rather than rl->reg_rtx
301 when reassigning a pseudo register. Load reloadreg from
302 reload_reg_rtx_for_input, moving the mode and register
304 (do_input_reload): ...here. Use the mode-adjusted reg_rtx
305 instead of the original when deciding whether an input reload
306 would be a no-op or whether an output reload can be deleted.
307 (emit_output_reload_insns): Use the mode-adjusted reg_rtx
308 when setting up new_spill_reg_store. Load it from
309 reload_reg_rtx_for_output, moving the mode and register
311 (do_output_reload): ...here. Use the mode-adjusted reg_rtx
312 instead of the original when deciding whether an output reload
313 would be a no-op. Do the same when modifying insn notes.
314 Use rtx_equal_p instead of == to compare the registers.
315 (inherit_piecemeal_p): Take a mode and two register numbers
317 (emit_reload_insns): Clear new_spill_reg_store for every hard
318 register in the reload register. Remove spill registers
319 from reg_reloaded_valid before considering whether to record
320 inheritance information for them. Use reload_reg_rtx_for_output
321 instead of reg_rtx when recording output reloads. Use
322 reload_reg_rtx_for_input instead of reg_rtx when recording
323 input reloads. Set or clear reg_reloaded_call_part_clobbered
324 at the same time as setting reg_reloaded_valid.
325 (delete_output_reload): Add a new_reload_reg parameter and use it
326 instead of rld[j].reg_rtx.
327 (emit_input_reload_insns, do_input_reload, do_output_reload): Adjust
330 2008-03-25 Tom Tromey <tromey@redhat.com>
332 * Makefile.in (build/gensupport.o): Depend on insn-modes.h.
333 (build/genattr.o): Likewise.
334 (build/genattrtab.o): Likewise.
335 (build/gencodes.o): Likewise.
336 (build/genconfig.o): Likewise.
337 (build/genconstants.o): Likewise.
338 (build/genemit.o): Likewise.
339 (build/genextract.o): Likewise.
340 (build/genflags.o): Likewise.
342 2008-03-25 Bob Wilson <bob.wilson@acm.org>
344 * config/xtensa/xtensa.c (xtensa_va_start): Use build_int_cst
345 instead of size_int for integer types.
346 (xtensa_gimplify_va_arg_expr): Likewise. Convert index to sizetype
347 to match type of MINUS_EXPR.
349 2008-03-25 Tom Tromey <tromey@redhat.com>
351 * configure: Rebuilt.
352 * configure.ac (BUILD_DEPMODE): Extract CCDEPMODE from temporary
355 2008-03-25 Tom Tromey <tromey@redhat.com>
357 * config/x-solaris (host-solaris.o): Update.
358 * config/x-linux (host-linux.o): Update.
359 * config/x-hpux (host-hpux.o): Update.
360 * config/x-darwin (host-darwin.o): Update.
361 * config/v850/t-v850e (v850-c.o): Update.
362 * config/v850/t-v850 (v850-c.o): Update.
363 * config/t-vxworks (vxworks.o): Update.
364 * config/t-sol2 (sol2-c.o, sol2.o): Update.
365 * config/t-darwin (darwin.o, darwin-c.o, darwin-driver.o): Update.
366 * config/spu/t-spu-elf (spu-c.o): Update.
368 * config/sh/t-symbian (sh-c.o): Update.
370 * config/sh/t-sh (sh-c.o): Update.
371 * config/score/t-score-elf (score7.o, score3.o): Update.
372 * config/rs6000/x-rs6000 (driver-rs6000.o): Update.
373 * config/rs6000/x-darwin64 (host-ppc64-darwin.o): Update.
374 * config/rs6000/x-darwin (host-ppc-darwin.o): Update.
375 * config/rs6000/t-rs6000 (rs6000-c.o): Update.
377 * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
378 * config/m32c/t-m32c (m32c-pragma.o): Update.
379 * config/ia64/t-ia64 (ia64-c.o): Update.
380 * config/i386/x-mingw32 (host-mingw32.o): Update.
381 * config/i386/x-i386 (driver-i386.o): Update.
382 * config/i386/x-darwin (host-i386-darwin.o): Update.
383 * config/i386/x-cygwin (host-cygwin.o): Update.
384 * config/i386/t-nwld (nwld.o): Update.
385 * config/i386/t-netware (netware.o): Update.
386 * config/i386/t-interix (winnt.o): Update.
387 * config/i386/t-cygwin (cygwin1.o, cygwin2.o): Update.
388 * config/i386/t-cygming (winnt.o, winnt-cxx.o, winnt-stubs.o,
389 msformat-c.o): Update.
390 * config/bfin/t-bfin-linux (generated_files): Add
391 linux-sysroot-suffix.h.
392 * config/arm/t-wince-pe (pe.o): Update.
393 * config/arm/t-strongarm-pe (pe.o): Update.
394 * config/arm/t-pe (pe.o): Update.
395 * config/arm/t-arm (arm-c.o): Update.
396 * doc/install.texi (Prerequisites): Require make 3.80.
397 * Makefile.in: Remove .o targets.
398 (CCDEPMODE, DEPDIR, depcomp, BUILD_DEPMODE): New variables.
399 (OBSTACK_H, FIBHEAP_H, PARTITION_H, MD5_H, BCONFIG_H): Remove.
400 (simple_generated_h, simple_generated_c): Move earlier.
401 (generated_files): New variable.
402 (TARGET_H, MACHMODE_H, HOOKS_H, HOSTHOOKS_DEF_H, LANGHOOKS_DEF_H,
403 TARGET_DEF_H, RTL_BASE_H, RTL_H, PARAMS_H, BUILTINS_DEF, TREE_H,
404 BASIC_BLOCK_H, GCOV_IO_H, COVERAGE_H, DEMANGLE_H, RECOG_H,
405 ALIAS_H, EMIT_RTL_H, FLAGS_H, FUNCTION_H, EXPR_H, OPTABS_H,
406 REGS_H, RA_H, RESOURCE_H, SCHED_INT_H, INTEGRATE_H, CFGLAYOUT_H,
407 CFGLOOP_H, IPA_UTILS_H, IPA_REFERENCE_H, IPA_TYPE_ESCAPE_H,
408 CGRAPH_H, DF_H, RESOURCE_H, DDG_H, GCC_H, GGC_H, TIMEVAR_H,
409 INSN_ATTR_H, C_COMMON_H, C_PRAGMA_H, C_TREE_H, SYSTEM_H,
410 PREDICT_H, DECNUM_H, MKDEPS_H, SYMTAB_H, TREE_DUMP_H,
411 TREE_GIMPLE_H, TREE_FLOW_H, TREE_SSA_LIVE_H, PRETTY_PRINT_H,
412 DIAGNOSTIC_H, C_PRETTY_PRINT_H, SCEV_H, LAMBDA_H, TREE_DATA_REF_H,
413 VARRAY_H, TREE_INLINE_H, REAL_H, DBGCNT_H, EBIMAP_H): Remove.
415 (COMPILE.base, COMPILE): New variables.
416 (%.o): New pattern rule.
417 (ALL_HOST_OBJS): New variable.
418 (xgcc$(exeext), cpp$(exeext)): Remove extra version.o.
419 (dummy-checksum.o, cc1-checksum.o): Remove.
420 (DRIVER_SHLIB): New variable.
421 (DRIVER_DEFINES): Use it.
422 (gencondmd.c): Move out of build/.
423 (s-conditions): Update.
424 (BUILDCOMPILE.base, BUILDCOMPILE): New variables.
425 (ALL_BUILD_OBJS): Likewise.
426 (build/%.o): Use BUILDCOMPILE.
427 (build/ggc-none.o, build/ggc-none.o, build/min-insn-modes.o,
428 build/print-rtl.o, build/read-rtl.o, build/rtl.o, build/vec.o,
429 build/gencondmd.o, build/genattrtab.o, build/genautomata.o,
430 build/gencheck.o, build/gencodes.o, build/genconditions.o,
431 build/genconfig.o, build/genconstants.o, build/genemit.o,
432 build/genextract.o, build/genflags.o, build/genmddeps.o,
433 build/genopinit.o, build/genoutput.o, build/genpeep.o,
434 build/genpreds.o, build/genrecog.o, build/gcov-iov.o,
435 build/gen-protos.o, build/scan.o, build/fix-header.o,
436 build/scan-decls.o): Simplify.
437 (collect2.o, c-opts.o, gcc.o, gccspec.o, gcc-options.o,
438 cppdefault.o, protoize.o, unprotoize.o, intl.o, version.o,
439 prefix.o, toplev.o): Reduce to variable setting.
440 (libbackend.o): Use COMPILE. Remove most dependencies. Move later.
441 ($(out_object_file), gcc-options.o): New targets.
442 ($(ALL_HOST_OBJS)): New target. Include dependency files.
443 * configure: Rebuilt.
444 * configure.ac: Call ZW_CREATE_DEPDIR, ZW_PROG_COMPILER_DEPENDENCIES.
445 * doc/sourcebuild.texi (Front End Directory): Document new variable.
447 2008-03-25 Douglas Gregor <doug.gregor@gmail.com>
449 * c-common.c (c_sizeof_or_alignof_type): If we're not allowed to
450 complain when we hit an error, return ERROR_MARK_NODE.
452 2008-03-25 Naveen.H.S <naveen.hs@kpitcummins.com>
454 * config/sh/constraints.md (Pso, Psz): New constraints.
455 * config/sh/sh.c (print_operand): Add %V and %W operand codes.
456 * config/sh/sh.md (*andsi3_bclr, *iorsi3_bset): New insns.
458 2008-03-25 Naveen.H.S <naveen.hs@kpitcummins.com>
460 * config/sh/sh.c (sh_expand_t_scc): Emit movrt for SH2A if possible.
461 * config/sh/sh.md (xorsi3_movrt, movrt): New insns.
463 2008-03-25 Naveen.H.S <naveen.hs@kpitcummins.com>
465 * config/sh/sh.md (prefetch): Add condition for SH2A target.
466 (prefetch_sh2a): New.
468 2008-03-25 Jayant Sonar <Jayant.sonar@kpitcummins.com>
469 Naveen.H.S <naveen.hs@kpitcummins.com>
471 * config/sh/constraints.md (I28): New constraint.
472 * config/sh/sh.c (broken_move): Add support for movi20s.
473 * config/sh/sh.md (movsi_ie): Add the alternative for movi20s.
475 2008-03-25 Anil Paranjape <anil.paranjape@kpitcummins.com>
476 Jayant Sonar <Jayant.sonar@kpitcummins.com>
477 Naveen.H.S <naveen.hs@kpitcummins.com>
479 * config/sh/sh.c (SH_ATTRIBUTES): Define.
480 (SYMBOL_FLAG_FUNCVEC_FUNCTION): Define.
481 (print_operand): Handle resbank in %@ operand code.
482 (sh_encode_section_info): New.
483 (push_regs): Add conditions for resbank.
484 (sh_expand_epilogue): Likewise.
485 (sh_insert_attributes): Likewise.
486 (sh_attribute_table): Likewise.
487 (sh_handle_resbank_handler_attribute): New.
488 (sh2a_handle_function_vector_handler_attribute): New.
489 (sh2a_is_function_vector_call): New.
490 (sh2a_get_function_vector_number): New.
491 (sh2a_function_vector_p): New.
492 (sh_cfun_resbank_handler_p): New.
493 * config/sh/sh.md (calli): Emit jsr/n if possible.
494 (calli_tbr_rel): New.
495 (calli_pcrel): Emit jsr/n if possible.
496 (return_i): Emit rts/n if possible.
497 (call_valuei_tbr_rel): New.
498 (call_valuei_pcrel): Add condition for SH2A target.
499 (call_value): Likewise.
500 * config/sh/sh-protos.h (sh_cfun_resbank_handler_p): Declare.
501 (sh2a_get_function_vector_number): Likewise.
502 (sh2a_is_function_vector_call): Likewise.
503 * doc/extend.texi: Document TBR relative addressing of SH2A.
504 (resbank): Add description for SH2A.
506 2008-03-24 Richard Guenther <rguenther@suse.de>
509 * gimplify.c (gimplify_modify_expr): For frontend type-correct
510 pointer assignments change conversions according to middle-end rules.
511 (gimplify_modify_expr_rhs): Deal with NULL TARGET_EXPR_INITIAL.
512 * configure.ac: Include type checking in yes.
513 * configure: Regenerate.
515 2008-03-24 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
517 * diagnostic.c (diagnostic_count_diagnostic): Delete.
518 (diagnostic_report_diagnostic): Update. Handle ICEs here.
520 2008-03-24 Nathan Sidwell <nathan@codesourcery.com>
522 * gthr-vxworks.h (UNUSED): Define.
524 2008-03-23 H.J. Lu <hongjiu.lu@intel.com>
526 * config/i386/i386.h (STATIC_CHAIN_REGNUM): Use R10_REG and
529 2008-03-23 Zuxy Meng <zuxy.meng@gmail.com>
531 * doc/extend.texi (Function Attributes): Add missing comma in the
532 example of the "alloc_size" attribute.
534 2008-03-23 Uros Bizjak <ubizjak@gmail.com>
537 2008-03-05 H.J. Lu <hongjiu.lu@intel.com>
539 * config/i386/i386-modes.def: Use 4 byte alignment on DI for
542 2008-03-19 Uros Bizjak <ubizjak@gmail.com>
545 * stor-layout.c (update_alignment_for_field): Set minimum alignment
546 of the underlying type of a MS bitfield layout to the natural
547 alignment of the type.
549 2008-03-22 Uros Bizjak <ubizjak@gmail.com>
551 * config/i386/i386.c (assign_386_stack_local): Align DImode slots
552 to their natural alignment to avoid store forwarding stalls.
554 2008-03-22 Richard Guenther <rguenther@suse.de>
556 * tree-cfg.c (verify_expr): Recurse again for invariant addresses.
557 For PHI nodes verify the address is invariant.
558 * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): Remove.
559 (get_symbol_constant_value): Use is_gimple_min_invariant.
560 (maybe_fold_stmt_indirect): Likewise.
562 2008-03-22 Richard Sandiford <rsandifo@nildram.co.uk>
564 PR rtl-optimization/33927
565 * Makefile.in (dse.o): Depend on $(TM_P_H).
566 * expr.h (extract_low_bits): Declare.
567 * expmed.c (extract_low_bits): New function.
568 * rtlhooks.c (gen_lowpart_general): Generalize SUBREG handling.
569 * dse.c: Include tm_p.h.
570 (find_shift_sequence): Remove the read_reg argument and return the
571 read value. Emit the instructions instead of returning them.
572 Iterate on new_mode rather than calculating it each time.
573 Check MODES_TIEABLE_P. Use simplify_gen_subreg to convert the
574 source to NEW_MODE and extract_low_bits to convert the shifted
576 (replace_read): Allow the load and store to have different mode
577 classes. Use extract_low_bits when SHIFT == 0. Create the shift
578 or extraction instructions before trying the replacement. Update
579 dump-file code accordingly, avoiding use of REGNO (store_info->rhs).
581 2008-03-22 Uros Bizjak <ubizjak@gmail.com>
583 * config/i386/i386.c (assign_386_stack_local): Align DImode slots
584 to their natural alignment to avoid store forwarding stalls.
586 2008-03-21 Andrew Pinski <andrew_pinski@playstation.sony.com>
589 * config/rs6000/rs6000.md (floatdidf2): Discouraging fprs and
590 encouraging but not allowing gprs for input;
591 change the input constraint to !f#r.
592 (fix_truncdfdi2): Discouraging fprs and encouraging but not allowing
594 change the output constraint to !f#r.
596 2008-03-21 Uros Bizjak <ubizjak@gmail.com>
599 * config/i386/i386.md ("*floatunssi<mode2>_1"): New pattern with
600 corresponding post-reload splitters.
601 ("floatunssi<mode>2"): Expand to unsigned_float x87 insn pattern
602 when x87 FP math is selected.
603 * config/i386/i386-protos.h (ix86_expand_convert_uns_sixf_sse):
604 New function prototype.
605 * config/i386/i386.c (ix86_expand_convert_uns_sixf_sse): New
606 unreachable function to ease macroization of insn patterns.
608 2008-03-21 Martin Jambor <mjambor@suse.cz>
610 * tree-data-ref.c (dump_data_dependence_relation): Avoid data
611 reference dumps if ddr is NULL or dependence is unknown.
613 2008-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
615 * config/sh/linux-atomic.asm (ATOMIC_TEST_AND_SET): Take
616 unsigned extension into account.
617 (ATOMIC_COMPARE_AND_SWAP): Likewise.
618 (ATOMIC_FETCH_AND_OP, ATOMIC_FETCH_AND_COMBOP): Likewise.
619 Do computations on a scratch register.
621 2008-03-21 Richard Guenther <rguenther@suse.de>
623 * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
624 Use is_gimple_min_invariant instead of TREE_INVARIANT.
625 * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Likewise.
626 * tree-ssa-dom.c (record_equality): Likewise.
627 * tree-inline.c (copy_body_r): Likewise.
628 * tree-ssa-pre.c (make_values_for_stmt): Remove test for
631 2008-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
633 * config/sh/sh.c (split_branches): Pass zero to redirect_jump
634 as 'delete_unused' argument.
636 2008-03-20 Richard Guenther <rguenther@suse.de>
638 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
639 special casing of constant qualifiers.
640 * tree-ssa.c (useless_type_conversion_p_1): Instead do not
641 care about them in general.
642 * tree-ssa-ccp.c (ccp_fold): Addresses are constant or not
643 regardless of their type.
644 (fold_stmt_r): Forcefully fold *& if we end up with that.
646 2008-03-20 Paul Brook <paul@codesourcery.com>
648 * config.gcc (arm*-*-uclinux*): Remove duplicate arm/uclinux-elf.h.
649 * config/arm/uclinux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Add extra
651 * config/arm/bpabi.h (SUBTARGET_EXTRA_LINK_SPEC): Provide default
653 (LINK_SPEC): Use SUBTARGET_EXTRA_LINK_SPEC.
654 * config/arm/unwind-arm.h (_Unwind_decode_target2): Add uClinux.
656 2008-03-20 Volker Reichelt <v.reichelt@netcologne.de>
658 * common.opt (Wmudflap): New option.
659 * tree-mudflap.c (mf_xform_derefs_1): Guard warning by OPT_Wmudflap.
660 (mx_register_decls): Likewise.
661 (mudflap_finish_file): Likewise.
662 * doc/invoke.texi: Document -Wno-mudflap.
664 2008-03-20 Kai Tietz <kai.tietz@onevision.com>
666 * c-format.c (replace_format_name_to_system_name): New.
668 (convert_format_name_to_system_name): New.
669 (decode_format_attr): Add use of convert_format_name_to_system_name.
670 (format_types_orig): Add gnu_ prefix to names.
671 (check_format_info_main): Special treating of \0 escaped names for
672 supporting multi-character format specifiers as I32, I64.
673 (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): Use of user defined attributes.
674 (gnu_target_overrides_format_attributes): New.
675 * c-format.h: Add structure target_ovr_attr to hold
676 system specific formatter names.
677 * config.gcc: Add for x86&x86_64 cygwin and mingw32 targets the
678 msformat-c.o file to c_target_objs and cxx_target_objs.
679 * config/i386/mingw32.h (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
680 (TARGET_OVERRIDES_FORMAT_ATTRIBUTES_COUNT): New.
681 (TARGET_N_FORMAT_TYPES): New.
682 * config/i386/msformat-c.c: New.
683 * config/i386/t-cygming: Add build rule for msformat-c.o.
684 * doc/extend.texi: Add new format names gnu_* and ms_* and
686 * doc/tm.texi: (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
688 2008-03-20 Ira Rosen <irar@il.ibm.com>
690 * doc/invoke.texi (-O3): Add -ftree-vectorize to the list of
691 optimizations turned on under -O3.
692 (ftree-vectorize): Add that the flag is turned on with -O3.
694 2008-03-20 Ben Elliston <bje@au.ibm.com>
696 * regmove.c (try_auto_increment): Fix spelling error in comment.
697 * final.c (final_scan_insn): Likewise.
699 2008-03-20 Uros Bizjak <ubizjak@gmail.com>
702 * config/i386/mmx.md (*mov<mode>_internal_rex64"): Adjust register
703 allocator preferences for "y" and "r" class registers.
704 ("*mov<mode>_internal"): Ditto.
705 ("*movv2sf_internal_rex64"): Ditto.
706 ("*movv2sf_internal"): Ditto.
708 2008-03-19 Michael Matz <matz@suse.de>
711 * calls.c (expand_call): Check overlap of arguments with call
712 address for sibcalls.
714 2008-03-19 Uros Bizjak <ubizjak@gmail.com>
717 * stor-layout.c (update_alignment_for_field): Set minimum alignment
718 of the underlying type of a MS bitfield layout to the natural
719 alignment of the type.
721 2008-03-19 Jan Hubicka <jh@suse.cz>
724 * toplev.c (decode_d_option): Handle all CPP flags.
725 * tree-vrp.c: Update tree_pass descriptors.
726 * regrename.c: Update tree_pass descriptors.
727 * fwprop.c: Update tree_pass descriptors.
728 * doc/invoke.texi: Remove documentation of dropped -d? flags.
729 * tree-into-ssa.c: Update tree_pass descriptors.
730 * tree-dump.c: Update tree_pass descriptors.
731 * tree-complex.c: Update tree_pass descriptors.
732 * tree-dump.h: Update tree_pass descriptors.
733 * see.c: Update tree_pass descriptors.
734 * cgraphbuild.c: Update tree_pass descriptors.
735 * tracer.c: Update tree_pass descriptors.
736 * tree-loop-distribution.c: Update tree_pass descriptors.
737 * cgraph.c: Update tree_pass descriptors.
738 * postreload-gcse.c: Update tree_pass descriptors.
739 * postreload.c: Update tree_pass descriptors.
740 * tree-ssa-loop-ch.c: Update tree_pass descriptors.
741 * tree-tailcall.c: Update tree_pass descriptors.
742 * tree-pass.h (tree_opt_pass): Rename to ...
743 (opt_pass) ... this one; add "type" field and remove letter field.
744 (gimple_opt_pass, rtl_opt_pass, simple_ipa_opt_pass): New.
745 (execute_pass_list, execute_ipa_pass_list, all_passes, all_ipa_passes,
746 all_lowering_passes): Update declaration.
747 * ipa-cp.c: Update tree_pass descriptors.
748 * final.c: Update tree_pass descriptors.
749 * omp-low.c: Update tree_pass descriptors.
750 * tree-ssa-dse.c: Update tree_pass descriptors.
751 * ipa-reference.c: Update tree_pass descriptors.
752 * tree-ssa-uncprop.c: Update tree_pass descriptors.
753 * auto-inc-dec.c: Update tree_pass descriptors.
754 * reorg.c: Update tree_pass descriptors.
755 * cgraphunit.c: Update tree_pass descriptors.
756 * tree-ssa-copyrename.c: Update tree_pass descriptors.
757 * tree-ssa-ccp.c: Update tree_pass descriptors.
758 * df-core.c: Update tree_pass descriptors.
759 * mode-switching.c: Update tree_pass descriptors.
760 * tree-nomudflap.c: Update tree_pass descriptors.
761 * modulo-sched.c: Update tree_pass descriptors.
762 * ipa-pure-const.c: Update tree_pass descriptors.
763 * cse.c: Update tree_pass descriptors.
764 * web.c: Update tree_pass descriptors.
765 * tree-stdarg.c: Update tree_pass descriptors.
766 * tree-ssa-math-opts.c: Update tree_pass descriptors.
767 * tree-ssa-dom.c: Update tree_pass descriptors.
768 * tree-nrv.c: Update tree_pass descriptors.
769 * tree-ssa-alias.c: Update tree_pass descriptors.
770 * loop-init.c: Update tree_pass descriptors.
771 * gimple-low.c: Update tree_pass descriptors.
772 * ipa-inline.c: Update tree_pass descriptors.
773 * tree-ssa-sink.c: Update tree_pass descriptors.
774 * global.c: Update tree_pass descriptors.
775 * ifcvt.c: Update tree_pass descriptors.
776 * jump.c: Update tree_pass descriptors.
777 * predict.c: Update tree_pass descriptors.
778 * tree-ssa-loop.c: Update tree_pass descriptors.
779 * recog.c: Update tree_pass descriptors.
780 * dse.c: Update tree_pass descriptors.
781 * tree-ssa-ifcombine.c: Update tree_pass descriptors.
782 * tree-eh.c: Update tree_pass descriptors.
783 * regmove.c: Update tree_pass descriptors.
785 * function.c: Update tree_pass descriptors.
786 * tree-vectorizer.c: Update tree_pass descriptors.
787 * gcse.c: Update tree_pass descriptors.
788 * ipa-type-escape.c: Update tree_pass descriptors.
789 * tree-if-conv.c: Update tree_pass descriptors.
790 * init-regs.c: Update tree_pass descriptors.
791 * ipa.c: Update tree_pass descriptors.
792 * tree-ssa-phiopt.c: Update tree_pass descriptors.
793 * rtl-factoring.c: Update tree_pass descriptors.
794 * lower-subreg.c: Update tree_pass descriptors.
795 * bt-load.c: Update tree_pass descriptors.
796 * tree-dfa.c: Update tree_pass descriptors.
797 * except.c: Update tree_pass descriptors.
798 * emit-rtl.c: Update tree_pass descriptors.
799 * cfgexpand.c: Update tree_pass descriptors.
800 * tree-cfgcleanup.c: Update tree_pass descriptors.
801 * cfgcleanup.c: Update tree_pass descriptors.
802 * tree-ssa-pre.c: Update tree_pass descriptors.
803 * tree-sra.c: Update tree_pass descriptors.
804 * tree-mudflap.c: Update tree_pass descriptors.
805 * tree-ssa-copy.c: Update tree_pass descriptors.
806 * cfglayout.c: Update tree_pass descriptors.
807 * tree-ssa-forwprop.c: Update tree_pass descriptors.
808 * tree-ssa-dce.c: Update tree_pass descriptors.
809 * tree-ssa.c: Update tree_pass descriptors.
810 * regclass.c: Update tree_pass descriptors.
811 * integrate.c: Update tree_pass descriptors.
812 * tree-optimize.c: Update tree_pass descriptors.
813 * tree-ssa-phiprop.c: Update tree_pass descriptors.
814 * tree-object-size.c: Update tree_pass descriptors.
815 * combine.c: Update tree_pass descriptors.
816 * tree-outof-ssa.c: Update tree_pass descriptors.
817 * bb-reorder.c: Update tree_pass descriptors.
818 * stack-ptr-mod.c: Update tree_pass descriptors.
819 * var-tracking.c: Update tree_pass descriptors.
820 * tree-profile.c: Update tree_pass descriptors.
821 * tree-vect-generic.c: Update tree_pass descriptors.
822 * reg-stack.c: Update tree_pass descriptors.
823 * sched-rgn.c: Update tree_pass descriptors.
824 * tree-ssa-structalias.c: Update tree_pass descriptors.
825 * tree-cfg.c: Update tree_pass descriptors.
826 * passes.c (current_pass): Update declaration.
827 (finish_optimization_passes): Update.
828 (all_passes, all_ipa_passes, all_lowering_passes): Update declaration.
829 (register_one_dump_file, register_dump_files_1, next_pass_1):
831 (init_optimization_passes): Update handling of new types.
832 (execute_one_pass, execute_pass_list, execute_ipa_pass_list): Update.
833 * ipa-struct-reorg.c: Update tree_pass descriptors.
834 * tree-ssa-reassoc.c: Update tree_pass descriptors.
835 * combine-stack-adj.c: Update tree_pass descriptors.
836 * cfgrtl.c: Update tree_pass descriptors.
837 * dce.c: Update tree_pass descriptors.
838 * tree-ssanames.c: Update tree_pass descriptors.
840 2008-03-19 Richard Guenther <rguenther@suse.de>
843 * tree-ssa.c (walk_data): New structure.
844 (warn_uninitialized_var): If not always_executed warn with "maybe"
846 (execute_early_warn_uninitialized): Compute post-dominators.
847 Initialize always_executed before processing each basic block.
849 2008-03-18 Mikulas Patocka <mikulas@artax.karlin.mff.cuni.cz>
852 * config/i386/i386.c (x86_this_parameter): Calculate correct location
853 of "this" pointer when "regparm = N" or "fastcall" is in effect.
855 2008-03-18 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
857 * doc/include/texinfo.tex: Update to version 2008-03-17.10.
859 2008-03-18 Paolo Bonzini <bonzini@gnu.org>
861 * expr.c (store_expr): Assume lang_hooks.reduce_bit_field_operations
863 (expand_expr_real_1) <REDUCE_BIT_FIELD>: Don't look at ignore.
864 (expand_expr_real_1): Assume lang_hooks.reduce_bit_field_operations
865 is true. Add "&& !ignore" condition to reduce_bit_field. Modify
866 target after ignore has been set, and move there also the commputation
867 of subtarget and original_target.
868 * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Delete.
869 (LANG_HOOKS_INITIALIZER): Remove it.
870 * langhooks.h (struct lang_hooks): Remove reduce_bit_field_operations.
872 2008-03-18 Richard Guenther <rguenther@suse.de>
874 * tree-ssa-sccvn.c (visit_reference_op_load): If the lookup
875 found an expression with constants, note that in the VN for the lhs.
876 * tree-ssa-pre.c (eliminate): Visit COND_EXPR statements and
877 fold them to constants if possible. Run cleanup_cfg if done so.
878 (execute_pre): Return todo.
880 (execute_fre): Likewise.
881 * tree-ssa-forwprop.c (can_propagate_from): Allow propagation
883 (get_prop_source_stmt): Look through pointer conversions.
885 2008-03-18 Jan Hubicka <jh@suse.cz>
887 * tree-pretty-print.c: Include predict.h.
888 (dump_generic_node): Dump predictor.
889 * tree.h (PREDICT_EXPR_OUTCOME, PREDICT_EXPR_PREDICTION): Update.
890 * tree-gimple.c (is_gimple_stmt): Add PREDICT_EXPR.
891 * gimple-low.c (lower_stmt): Likewise.
892 * expr.c (expand_expr_real): Likewise.
893 * predict.c (tree_bb_level_predictions): Use PREDICT_EXPRs and remove
895 (build_predict_expr, build_predict_expr): New.
896 * predict.h (predictor_name, build_predict_expr): Update.
897 * c-typeck.c (c_finish_bc_stmt): Add prediction.
898 * gimplify.c (gimplify_expr): Add PREDICT_EXPR.
899 * predict.def (PRED_CONTINUE): Update hitrate.
900 * tree.def (PREDICT_EXPR): Define.
901 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Mark PREDICT_EXPR;
902 do not handle BIND_EXPR.
903 * tree-inline.c (estimate_num_insns_1): PREDICT_EXPR is free.
904 * tree-cfg.c (verify_gimple_stmt): PREDICT_EXPR is valid.
905 * tree-ssa-operands.c (get_expr_operands): PREDICT_EXPR takes no
908 2008-03-18 Michael Matz <matz@suse.de>
910 * gcov-io.h (__gcov_merge_ior, __gcov_fork): Mark hidden.
912 2008-03-18 Richard Guenther <rguenther@suse.de>
914 * tree-gimple.h (is_gimple_invariant_address): Declare.
915 (is_gimple_constant): Likewise.
916 * tree-gimple.c (is_gimple_constant): New function.
917 (is_gimple_invariant_address): Likewise.
918 (is_gimple_min_invariant): Implement in terms of is_gimple_constant
919 and is_gimple_invariant_address.
920 * tree-ssa-loop-niter.c (expand_simple_operations): Revert
922 * tree-data-ref.c (get_references_in_stmt): A SSA_NAME is not
925 2008-03-18 Jakub Jelinek <jakub@redhat.com>
928 * gimplify.c (gimplify_expr): Gimplify second operand of
931 2008-03-17 Richard Guenther <rguenther@suse.de>
933 PR tree-optimization/19637
934 * fold-const.c (fold_unary): Remove restrictions of removing
935 intermediate pointer-conversions (P2)(P1)P0.
936 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Recover from
937 conversion to void pointer.
938 (get_maxval_strlen): Handle addresses of the form &(*p)[0].
940 2008-03-16 James E. Wilson <wilson@tuliptree.org>
943 * dbxout.c (dbxout_expand_expr, case VAR_DECL): Return NULL for
944 emulated thread local variables.
946 2008-03-16 Richard Guenther <rguenther@suse.de>
949 * tree-ssa-loop-niter.c (expand_simple_operations): Do not
950 expand TREE_INVARIANT operations that are not gimple invariant.
952 2008-03-16 Hans-Peter Nilsson <hp@axis.com>
954 * doc/extend.texi (Alignment): Say that the ABI controls
955 the __alignof__ for non-strict-alignment targets rather
956 than being a recommendation.
958 2008-03-15 Paul Brook <paul@codesourcery.com>
960 * config/arm/arm.c (arm_unwind_emit): Suppress unused unwinding
962 (arm_output_fn_unwind): Mark functions that can not be unwound.
964 2008-03-15 Paul Brook <paul@codesourcery.com>
966 * config/arm/arm.c (arm_rtx_costs_1): Add costs for ARMv6 value
967 extension instructions.
969 2008-03-15 Richard Guenther <rguenther@suse.de>
971 * tree-ssa-ccp.c (ccp_fold): Also read from constant values
972 and fold constant aggregate refs.
973 (fold_const_aggregate_ref): Handle string constants
974 and constructors in ARRAY_REFs. Handle INDIRECT_REF.
975 (evaluate_stmt): Simplify now that ccp_fold folds constant
978 2008-03-15 Paul Brook <paul@codesourcery.com>
980 * config/arm/arm.md (insv): Use gen_insv_t2 and gen_insv_zero.
981 (extzv): Use gen_extzv_t2.
982 (insv_t2, insv_zero, extv, extzv_t2): New patterns.
984 2008-03-15 Richard Guenther <rguenther@suse.de>
986 * tree-ssa-ccp.c (get_symbol_constant_value): Export.
987 (fold_const_aggregate_ref): Likewise.
988 (get_value): Return NULL if we don't have any values.
989 (ccp_finalize): Set const_val to NULL after freeing it.
990 * tree-flow.h (get_symbol_constant_value): Declare.
991 (fold_const_aggregate_ref): Likewise.
992 * tree-ssa-sccvn.c (try_to_simplify): Use them.
994 2008-03-15 Richard Guenther <rguenther@suse.de>
997 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make sure
998 to not produce negative array indices if not allowed. Add
999 parameter to indicate that.
1000 (maybe_fold_offset_to_component_ref): Allow negative array
1001 indices only for the first member of a structure.
1002 (maybe_fold_offset_to_reference): Allow negative array indices.
1003 (maybe_fold_stmt_addition): Likewise.
1005 2008-03-15 Bjoern Haase <bjoern.m.haase@web.de>
1006 Anatoly Sokolov <aesok@post.ru>
1008 * gcc/gcc/config/avr/avr.c (avr_arch_types): Add avr6 entry.
1009 (avr_arch): Add ARCH_AVR6.
1010 (avr_mcu_types): Add 'atmega2560' and 'atmega2561' entry.
1011 (initial_elimination_offset): Initialize and use 'avr_pc_size'
1012 instead of fixed value 2.
1013 (print_operand_address): Use gs() asm specifier instead of pm().
1014 (avr_assemble_integer): (Ditto.).
1015 (avr_output_addr_vec_elt): (Ditto.).
1016 (print_operand): Handle "!" code.
1017 * gcc/gcc/config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Add
1018 __AVR_3_BYTE_PC__, __AVR_2_BYTE_PC__ and __AVR_HAVE_JMP_CALL__.
1019 (AVR_HAVE_EIJMP_EICALL): Define.
1020 (AVR_3_BYTE_PC): Redefine.
1021 (AVR_2_BYTE_PC): (Ditto.).
1022 (PRINT_OPERAND_PUNCT_VALID_P): Add '!' code.
1023 (LINK_SPEC): Add atmega2560 and atmega2561.
1024 (CRT_BINUTILS_SPEC): Add atmega2560 (crtm2560.o) and atmega2561
1026 * gcc/gcc/config/avr/avr.md (call_insn): Use eicall instead of icall
1027 for 3 byte PC devices.
1028 (call_value_insn): (Ditto.).
1029 (*tablejump_enh): Use eijmp instead of ijmp for 3 byte PC devices.
1030 (indirect_jump): Use only for for 2 byte PC devices.
1031 (*tablejump): (Ditto.).
1032 (*indirect_jump_avr6): Add insn.
1033 (*tablejump_rjmp): Don't use for 3 byte PC devices.
1034 * gcc/gcc/config/avr/libgcc.S (__prologue_saves__): Use eijmp
1035 instead of ijmp for 3 byte PC devices.
1036 (__tablejump2__): (Ditto.).
1037 * gcc/gcc/config/avr/t-avr (MULITLIB_OPTIONS): Add avr6 architecture.
1038 (MULITLIB_DIRNAMES): (Ditto.).
1039 (MULTILIB_MATCHES): Add atmega2560 and atmega2561 to list.
1041 2008-03-15 Uros Bizjak <ubizjak@gmail.com>
1043 * config/i386/mmx.md ("sse2_umulv1siv2di3"): Rename from
1044 "sse2_umulsidi3". Use V1DI mode for operand 0.
1045 ("mmx_psadbw"): Use V1DI mode for operand 0.
1046 * config/i386/i386-modes.def (V1SI): New vector mode.
1047 * config/i386/i386.c (struct builtin_description)
1048 [IX86_BUILTIN_PMULUDQ]: Use CODE_FOR_sse2_umulv1siv1di3.
1049 (v1di_ftype_v8qi_v8qi): Rename from di_ftype_v8qi_v8qi.
1050 (v1di_ftype_v2si_v2si): Rename from di_ftype_v2si_v2si.
1051 (ix86_init_mmx_sse_builtins) [__builtin_ia32_psadbw]: Use
1052 v1di_ftype_v8qi_v8qi type.
1053 [__builtin_ia32_pmuludq]: Use v1di_ftype_v2si_v2si type.
1055 * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psadbw,
1056 __builtin_ia32_pmuludq]: Fix the mode of return value.
1058 2008-03-15 Richard Guenther <rguenther@suse.de>
1061 * tree-ssa-pre.c (bitmap_find_leader): Handle expression
1064 2008-03-14 Bob Wilson <bob.wilson@acm.org>
1066 * doc/invoke.texi (Option Summary, Xtensa Options): Document
1067 -mserialize-volatile and -mno-serialize-volatile Xtensa options.
1068 * config/xtensa/xtensa.c (print_operand): Do not emit MEMW instructions
1069 unless TARGET_SERIALIZE_VOLATILE is enabled.
1070 * config/xtensa/xtensa.md (*lsiu, *ssiu): Likewise.
1071 * config/xtensa/xtensa.h (TARGET_DEFAULT): Add MASK_SERIALIZE_VOLATILE.
1072 * config/xtensa/xtensa.opt (mserialize_volatile): New option.
1074 2008-03-14 Richard Guenther <rguenther@suse.de>
1076 PR tree-optimization/34172
1077 * tree-flow.h (refs_may_alias_p): Declare.
1078 (get_single_def_stmt): Likewise.
1079 (get_single_def_stmt_from_phi): Likewise.
1080 (get_single_def_stmt_with_phi): Likewise.
1081 * tree-dfa.c (refs_may_alias_p): New function.
1082 (get_single_def_stmt): Likewise.
1083 (get_single_def_stmt_from_phi): Likewise.
1084 (get_single_def_stmt_with_phi): Likewise.
1085 * tree-ssa-sccvn.c (get_def_ref_stmt_vuses): New function.
1086 (vn_reference_lookup_1): New helper function.
1087 (vn_reference_lookup): Walk the virtual use-def chain to
1088 continue searching for a match if the def does not alias the
1089 reference we are looking for.
1091 2008-03-14 David Edelsohn <edelsohn@gnu.org>
1093 * doc/install.texi (Binaries): Remove UCLA archive. Add HVCC
1094 archive and Perzl. Update The Written Word listing.
1096 2008-03-14 Richard Guenther <rguenther@suse.de>
1098 PR tree-optimization/34043
1099 PR tree-optimization/33989
1100 * tree-ssa-pre.c (execute_pre): Allow SCCVN to do insertion
1102 (bitmap_find_leader): Use extra argument to verify dominance
1103 relationship inside a basic-block.
1104 (can_PRE_operation): Add VIEW_CONVERT_EXPR.
1105 (find_leader_in_sets): Adjust.
1106 (create_component_ref_by_pieces): Take extra argument for
1107 dominance check, handle lookup failures.
1108 (find_or_generate_expression): Likewise.
1109 (create_expression_by_pieces): Likewise.
1110 (insert_into_preds_of_block): Adjust.
1111 (create_value_expr_from): If asked for, verify all operands
1112 are in the blocks AVAIL_OUT set.
1113 (make_values_for_stmt): Check for SSA_NAMEs that are life
1114 over an abnormal edge.
1115 (compute_avail): Remove such check.
1116 (do_SCCVN_insertion): New function.
1117 (eliminate): If we do not find a leader suitable for replacement
1118 insert a replacement expression from SCCVN if available.
1119 * tree-ssa-sccvn.h (run_scc_vn): Update prototype.
1120 (struct vn_ssa_aux): Add needs_insertion flag.
1121 * tree-ssa-sccvn.c (may_insert): New global flag.
1122 (copy_reference_ops_from_ref): Value-number union member access
1123 based on its size, not type and member if insertion is allowed.
1124 (visit_reference_op_load): For a weak match from union type
1125 punning lookup a view-converted value and insert a SSA_NAME
1126 for that value if that is not found.
1127 (visit_use): Make dumps shorter. Do not disallow value numbering
1128 SSA_NAMEs that are life over an abnormal edge to constants.
1129 (free_scc_vn): Release inserted SSA_NAMEs.
1130 (run_scc_vn): New flag to specify whether insertion is allowed.
1131 Process SSA_NAMEs in forward order.
1132 * tree-ssa-loop-im.c (for_each_index): Handle invariant
1133 ADDR_EXPRs inside VIEW_CONVERT_EXPR.
1134 * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPRs from/to
1135 pointer type to/from integral types that do not change the
1136 precision to regular conversions.
1138 2008-03-13 Uros Bizjak <ubizjak@gmail.com>
1140 * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
1141 __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
1142 __builtin_ia32_psrl?i, __builtin_ia32_psra?i, __builtin_ia32_psll?128,
1143 __builtin_ia32_psrl?128, __builtin_ia32_psra?128]: Fix the mode of
1144 input arguments and the mode of return value. Built-in functions
1145 that operate on whole 64-bit MMX register now use V1DI mode.
1147 2008-03-13 Alon Dayan <alond@il.ibm.com>
1148 Olga Golovanevsky <olga@il.ibm.com>
1150 PR tree-optimization/35041
1151 * ipa-struct-reorg.c (find_pos_in_stmt_1): Add another option
1152 to locate the right position in a statement.
1154 2008-03-13 Uros Bizjak <ubizjak@gmail.com>
1158 * config/i386/xmmintrin.h: Change all static inline functions to
1159 extern inline and add __gnu_inline__ attribute.
1160 * config/i386/bmintrin.h: Ditto.
1161 * config/i386/smmintrin.h: Ditto.
1162 * config/i386/tmmintrin.h: Ditto.
1163 * config/i386/mmintrin-common.h: Ditto.
1164 * config/i386/ammintrin.h: Ditto.
1165 * config/i386/emmintrin.h: Ditto.
1166 * config/i386/pmmintrin.h: Ditto.
1167 * config/i386/mmintrin.h: Ditto.
1168 * config/i386/mm3dnow.h: Ditto.
1170 2008-03-13 Jakub Jelinek <jakub@redhat.com>
1173 * omp-low.c (lower_regimplify, init_tmp_var, save_tmp_var): Removed.
1174 (lower_omp_2): New function.
1175 (lower_omp_1, lower_omp): Rewritten.
1177 2008-03-13 Danny Smith <dannysmith@users.sourceforge.net>
1180 * doc/extend.texi (Structure-Packing Pragmas): Replace "Win32"
1181 with the phrase "Microsoft Windows compilers".
1182 (Push/Pop Macro Pragmas): New subsection. Document
1183 #pragma push_macro and pragma pop_macro.
1185 2008-03-12 Paul Brook <paul@codesourcery.com>
1187 * config/arm/arm.c (output_move_double): Prefer LDRD to LDM.
1189 2008-03-12 Paul Brook <paul@codesourcery.com>
1191 * config/arm/thumb2.md: Extend peephole to cover 3-arg subs.
1192 (thumb2_alusi3_short): Exclude PLUS and MINUS.
1193 (thumb2_addsi_shortim): Rename ...
1194 (thumb2_addsi_short): ... to this. Allow register operands.
1195 (thumb2_subsi_short): New pattern.
1196 (thumb2_one_cmplsi2_short,
1197 thumb2_negsi2_short): New patterns and peepholes.
1199 2008-03-12 Paul Brook <paul@codesourcery.com>
1201 * config/arm/arm.c (arm_size_rtx_costs): Use ARM costs for Thumb-2.
1203 2008-03-12 Uros Bizjak <ubizjak@gmail.com>
1205 * config/i386/i386.md (int_cond): New code iterator.
1207 ("s<code>"): Macroize expander from seq, sne, sgt, sgtu, slt, sltu,
1208 sge, sgeu, sle and sleu expanders usign int_cond code iterator.
1209 ("s<code>"): Macroize expander from sunordered, sordered, suneq, sunge,
1210 sungt, sunle, sunlt and sltgt expanders usign fp_cond code iterator.
1211 ("b<code>"): Macroize expander from beq, bne, bgt, bgtu, blt, bltu,
1212 bge, bgeu, ble and bleu expanders usign int_cond code iterator.
1213 ("b<code>"): Macroize expander from bunordered, bordered, buneq, bunge,
1214 bungt, bunle, bunlt and bltgt expanders usign fp_cond code iterator.
1216 2008-03-12 Paul Brook <paul@codesourcery.com>
1218 * config/arm/arm.c (use_return_insn): Use offsets->saved_regs_mask
1219 instead of {arm,thumb}_compute_save_reg_mask.
1220 (output_return_instruction): Ditto.
1221 (thumb_unexpanded_epilogue): Ditto.
1222 (thumb1_expand_prologue): Ditto.
1223 (thumb1_output_function_prologue): Ditto.
1224 (arm_set_return_address): Ditto.
1225 (thumb_set_return_address): Ditto.
1226 (arm_get_frame_offsets): Set offsets->saved_regs_mask. Push extra
1227 regs to achieve stack alignment.
1228 (thumb1_compute_save_reg_mask): Fix compiler warning.
1229 (arm_output_epilogue): Use offsets->saved_regs_mask.
1230 Adjust stack pointer by poping call clobered registers.
1231 (arm_expand_prologue): Use offsets->saved_regs_mask.
1232 Adjust stack pointer by pushing extra registers.
1233 * config/arm.h (arm_stack_offsets): Add saved_regs_mask.
1235 2008-03-12 Paolo Bonzini <bonzini@gnu.org>
1238 * fold-const.c (fold_unary) <NOP_EXPR>: Distribute a narrowing
1239 conversion to the operands of a multiplication.
1241 2008-03-12 Richard Guenther <rguenther@suse.de>
1243 * Makefile.in (OBJS-common): Add tree-ssa-phiprop.o
1244 (tree-ssa-phiprop.o): Copy dependencies from tree-ssa-forwprop.o.
1245 * timevar.def (TV_TREE_PHIPROP): Add.
1246 * tree-ssa-phiprop.c: Split from tree-ssa-forwprop.c, added
1247 pass description. Use TV_TREE_PHIPROP.
1248 * tree-ssa-forwprop.c: Remove phiprop code.
1250 2008-03-12 Jakub Jelinek <jakub@redhat.com>
1253 * omp-low.c (maybe_lookup_decl): Constify first argument.
1254 (use_pointer_for_field): Change last argument from bool to
1255 omp_context *. Disallow shared copy-in/out in nested
1256 parallel if decl is shared in outer parallel too.
1257 (build_outer_var_ref, scan_sharing_clauses,
1258 lower_rec_input_clauses, lower_copyprivate_clauses,
1259 lower_send_clauses, lower_send_shared_vars): Adjust callers.
1261 2008-03-12 Victor Kaplansky <victork@il.ibm.com>
1262 Ira Rosen <irar@il.ibm.com>
1264 * tree-vectorizer.c (free_stmt_vec_info): New function.
1265 (destroy_loop_vec_info): Move code to free_stmt_vec_info().
1266 Call free_stmt_vec_info(). Free LOOP_VINFO_STRIDED_STORES..
1267 * tree-vectorizer.h (free_stmt_vec_info): Declare.
1268 * tree-vect-transform.c (vectorizable_conversion): Free
1269 vec_oprnds0 if it was allocated.
1270 (vect_permute_store_chain): Remove unused VECs.
1271 (vectorizable_store): Free VECs that are allocated in the..
1273 (vect_transform_strided_load, vectorizable_load): Likewise.
1274 (vect_remove_stores): Simplify the code.
1275 (vect_transform_loop): Move code to vect_remove_stores().
1276 Call vect_remove_stores() and free_stmt_vec_info().
1278 2008-03-11 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1280 * pa.h (TARGET_LONG_PIC_SDIFF_CALL): Conditionalize define on
1281 TARGET_HPUX. Revise comment.
1282 (TARGET_LONG_PIC_PCREL_CALL): Revise comment.
1283 * pa.c (output_call): Update for revised TARGET_LONG_PIC_SDIFF_CALL.
1284 Use sr4 variant of `be' instruction when not generating PIC code.
1285 (attr_length_call): Adjust for above change.
1287 2008-03-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
1289 * ipa-reference.c (static_execute): Remove module_statics_const and
1290 associated setting code.
1292 2008-03-11 Uros Bizjak <ubizjak@gmail.com>
1295 * config/i386/i386.md (paritysi2, paritydi2): Use register_operand
1296 predicate for operand 1.
1297 (paritysi2_cmp): Use register_operand predicate for operand 2.
1298 Use earlyclobber modifier for operand 1. Remove support for
1300 (paritydi2_cmp): Use register_operand predicate for operand 3.
1301 Use earlyclobber modifier for operand 1. Remove support for
1304 2008-03-11 Paul Brook <paul@codesourcery.com>
1305 Vladimir Prus <vladimir@codesourcery.com>
1307 * config/arm/arm.c (use_return_insn): Check TARGET_APCS_FRAME.
1308 (arm_compute_save_reg0_reg12_mask): Always
1309 check if register 11 must be saved. Always safe hard frame pointer
1310 when frame_pointer_needeed.
1311 (arm_compute_save_reg_mask): Save IP and PC
1312 only with apcs frames.
1313 (arm_output_epilogue): Adjust Thumb2 codepath to
1314 be also invoked and work for ARM non-apcs frames.
1315 (arm_expand_prologue): Don't bother saving IP
1316 for non-apcs frame, since it's not clobbered by
1317 prologue code. Implement non-apcs frame
1320 2008-03-11 Paolo Bonzini <bonzini@gnu.org>
1322 PR rtl-optimization/35281
1323 * expr.c (convert_move): Use a new pseudo for the intermediate
1324 from_mode->word_mode result.
1326 2008-03-11 Paolo Bonzini <bonzini@gnu.org>
1328 * langhooks-def.h (LANG_HOOKS_CLEAR_BINDING_STACK): Delete.
1329 * langhooks.h (struct lang_hooks): Delete clear_binding_stack member.
1330 * toplev.c (compile_file): Don't call it.
1332 2008-03-11 Uros Bizjak <ubizjak@gmail.com>
1335 * expr.c (store_expr): Call emit_block_move if the mode
1336 of "temp" RTX is BLKmode.
1338 2008-03-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
1339 Richard Guenther <rguenther@suse.de>
1341 PR tree-optimization/31358
1342 * tree-ssa-loop-manip.c (create_iv): Call force_gimple_operand for
1343 the step with a NULL_TREE.
1344 * tree-ssa-loop-ivopts.c (find_bivs): Convert the step
1345 to sizetype if type is a pointer type.
1346 (add_candidate_1): Don't convert the base and step to
1347 the generic type if the orginal type is a pointer type.
1348 (add_iv_value_candidates): Use sizetype for the step
1349 if type is a pointer type.
1350 (cand_value_at): Likewise.
1351 * tree-ssa-address.c (add_to_parts): Use POINTER_PLUS_EXPR
1353 * tree-affine.c (tree_to_aff_combination <POINTER_PLUS_EXPR>):
1354 Don't convert the tem affine to the type.
1355 (add_elt_to_tree): Use sizetype for the step if a pointer.
1356 Use POINTER_PLUS_EXPR for pointers.
1357 (aff_combination_to_tree): Use sizetype for the step if a
1360 2008-03-10 Vladimir Makarov <vmakarov@redhat.com>
1362 * config/i386/sse.md (ssse3_pmaddubswv8hi3, ssse3_pmaddubswv4hi3):
1363 Remove commutativity hint.
1365 2008-03-10 Jakub Jelinek <jakub@redhat.com>
1369 * c-parser.c (c_parser_omp_threadprivate): Don't add vars with
1370 errorneous type. Check that v is a VAR_DECL.
1373 * tree-cfg.c (new_label_mapper): Update cfun->last_label_uid.
1375 2008-03-10 H.J. Lu <hongjiu.lu@intel.com>
1377 PR tree-optimization/35494
1378 * tree-ssa-ccp.c (get_symbol_constant_value): Check if value
1379 may be overriden at link and run time.
1381 2008-03-10 Richard Guenther <rguenther@suse.de>
1383 PR tree-optimization/34677
1384 * tree-ssa-pre.c (modify_expr_node_pool): Remove.
1385 (poolify_tree): Likewise.
1386 (modify_expr_template): Likewise.
1387 (poolify_modify_stmt): Likewise.
1388 (insert_fake_stores): Handle all component-ref style stores
1389 in addition to INDIRECT_REF. Also handle complex types.
1390 Do not poolify the inserted load.
1391 (realify_fake_stores): Do not rebuild the tree but only
1392 make it a SSA_NAME copy.
1393 (init_pre): Remove initialzation of modify_expr_template.
1394 Do not allocate modify_expr_node_pool.
1395 (fini_pre): Do not free modify_expr_node_pool.
1397 2008-03-10 Paul Brook <paul@codesourcery.com>
1399 * config/arm/arm.md (UNSPEC_STACK_ALIGN, UNSPEC_PIC_OFFSET): Renumber
1402 2008-03-10 Paul Brook <paul@codesourcery.com>
1403 Mark Shinwell <shinwell@codesourcery.com>
1405 * config/arm/cortex-r4.md: New.
1406 * config/arm/thumb2.md (divsi3, udivsi3): Annotate with
1408 * config/arm/arm.md: Include cortex-r4.md.
1409 (insn): Add smmls, sdiv and udiv values.
1410 (generic_sched): Don't use generic scheduling for Cortex-R4.
1411 (arm_issue_rate): New function.
1412 (TARGET_SCHED_ISSUE_RATE): Define.
1414 2008-03-10 Sebastian Pop <sebastian.pop@amd.com>
1416 * doc/invoke.texi (-ftree-loop-distribution): Add an example.
1418 2008-03-10 Richard Guenther <rguenther@suse.de>
1420 * tree-ssa-pre.c (get_sccvn_value): Simplify.
1421 (compute_avail): Do not add stmt uses to AVAIL_OUT.
1423 2008-03-10 Paolo Bonzini <bonzini@gnu.org>
1425 * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
1426 Set default to true.
1428 2008-03-09 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1430 * c.opt (Wsynth): Deprecate.
1431 * doc/invoke.texi (Option Summary, Warning Options): Document
1432 -Wno-format-contains-nul.
1434 2008-03-09 Uros Bizjak <ubizjak@gmail.com>
1437 * config/i386/i386.c (ix86_constant_alignment): Compute alignment using
1438 ALIGN_MODE_128 for VECTOR_CST and INTEGER_CST in addition to REAL_CST.
1440 2008-03-09 Ira Rosen <irar@il.ibm.com>
1442 * config/rs6000/rs6000.c (builtin_description): Rename vector
1443 left shift operations.
1444 * config/rs6000/altivec.md (UNSPEC_VSL): Remove.
1445 (altivec_vsl<VI_char>): Rename to ...
1446 (ashl<mode>3): ... new name.
1447 (mulv4sf3, mulv4si3, negv4sf2): Replace gen_altivec_vslw with
1449 (absv4sf2): Convert to use ashift:V4SI instead of UNSPEC_VSL.
1451 2008-03-08 Richard Guenther <rguenther@suse.de>
1453 * coverage.h (tree_coverage_counter_addr): Declare.
1454 * coverage.c (tree_coverage_counter_addr): New function.
1455 * tree-profile.c (tree_gen_edge_profiler): Unshare counter
1457 (tree_gen_pow2_profiler): Use tree_coverage_counter_addr.
1458 (tree_gen_one_value_profiler): Likewise.
1459 (tree_gen_ic_profiler): Likewise.
1460 (tree_gen_average_profiler): Likewise.
1461 (tree_gen_ior_profiler): Likewise.
1463 2008-03-08 Richard Guenther <rguenther@suse.de>
1465 * tree-ssa-sccvn.h (vn_binary_op_lookup): Remove.
1466 (vn_binary_op_insert): Likewise.
1467 (vn_unary_op_lookup): Likewise.
1468 (vn_unary_op_insert): Likewise.
1469 (vn_nary_op_lookup): Declare.
1470 (vn_nary_op_insert): Likewise.
1471 * tree-ssa-sccvn.c (struct vn_tables_s): Merge unary
1472 and binary hashes, use a single obstack for unary_op_pool
1474 (struct vn_binary_op_s, struct vn_unary_op_s): Replace with
1475 a single struct vn_nary_op_s. Store tree code length and
1476 a variable number of operands.
1477 (struct vn_reference_op_struct): Remove unused op2.
1478 (vn_reference_op_eq): Do not compare op2.
1479 (vn_reference_op_compute_hash): Do not compute hash of op2.
1480 (vn_unary_op_hash, vn_binary_op_hash): Replace with vn_nary_op_hash.
1481 (vn_unary_op_compute_hash, vn_binary_op_compute_hash): Replace
1482 with vn_nary_op_compute_hash.
1483 (vn_unary_op_eq, vn_binary_op_eq): Replace with vn_nary_op_eq.
1484 (vn_unary_op_lookup, vn_binary_op_lookup): Replace with
1486 (vn_unary_op_insert, vn_binary_op_insert): Replace with
1488 (visit_unary_op): Call nary functions.
1489 (visit_binary_op): Likewise.
1490 (process_scc): Adjust for struct vn_tables_s changes.
1491 (allocate_vn_table): Likewise.
1492 (free_vn_table): Likewise.
1493 * tree-vn.c (vn_add): Call nary functions.
1494 (vn_lookup): Likewise.
1496 2008-03-08 Jakub Jelinek <jakub@redhat.com>
1499 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): Shift
1500 wdst back after sync_compare_and_swapqhi_internal.
1502 2008-03-08 Uros Bizjak <ubizjak@gmail.com>
1505 * config/i386/i386-modes.def (V1DI): New vector mode.
1506 * config/i386/i386.h (VALID_MMX_REG_MODE): Add V1DImode.
1507 * config/i386/mmx.md (MMXMODEI8): New mode iterator.
1508 (MMXMODE248): Ditto.
1509 (MMXMODE): Add V1DI mode.
1510 (mmxvecsize): Change DI mode to V1DI mode.
1511 ("mov<mode>): Use MMXMODEI8 mode iterator.
1512 ("*mov<mode>_internal_rex64"): Ditto.
1513 ("*mov<mode>_internal"): Ditto.
1514 ("mmx_add<mode>3"): Ditto. Handle V1DImode for TARGET_SSE2.
1515 ("mmx_sub<mode>3"): Ditto.
1516 ("mmx_adddi3"): Remove insn pattern.
1517 ("mmx_subdi3"): Ditto.
1518 ("mmx_ashr<mode>3"): Use SImode and "yN" constraint for operand 2.
1519 ("mmx_lshr<mode>3"): Ditto. Use MMXMODE248 mode iterator.
1520 ("mmx_ashl<mode>3"): Ditto.
1521 ("mmx_lshrdi3"): Remove insn pattern.
1522 ("mmx_ashldi3"): Ditto.
1523 * config/i386/i386.c (classify_argument): Handle V1DImode.
1524 (function_arg_advance_32): Ditto.
1525 (function_arg_32): Ditto.
1526 (struct builtin_description) [IX86_BUILTIN_PADDQ]: Use
1527 mmx_addv1di3 insn pattern.
1528 [IX86_BUILTIN_PSUBQ]: Use mmx_subv1di3 insn pattern.
1529 [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?, IX86_BUILTIN_PSRA?,
1530 IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I, IX86_BUILTIN_PSRA?I,
1531 IX86_BUILTIN_PSLL?I128, IX86_BUILTIN_PSRL?I128, IX86_BUILTIN_PSRA?I128]:
1532 Remove definitions of built-in functions.
1533 (V1DI_type_node): New node.
1534 (v1di_ftype_v1di_int): Ditto.
1535 (v1di_ftype_v1di_v1di): Ditto.
1536 (v2si_ftype_v2si_si): Ditto.
1537 (v4hi_ftype_v4hi_di): Remove node.
1538 (v2si_ftype_v2si_di): Ditto.
1539 (ix86_init_mmx_sse_builtins): Handle V1DImode.
1540 (__builtin_ia32_psll?, __builtin_ia32_psrl?, __builtin_ia32_psra?):
1541 Redefine builtins using def_builtin_const with *_ftype_*_int node.
1542 (__builtin_ia32_psll?i, __builtin_ia32_psrl?i, __builtin_ia32_psra?i):
1543 Add new builtins using def_builtin_const.
1544 (ix86_expand_builtin) [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?,
1545 IX86_BUILTIN_PSRA?, IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I,
1546 IX86_BUILTIN_PSRA?I]: Handle builtin definitions.
1547 * config/i386/mmintrin.h (__v1di): New typedef.
1548 (_mm_add_si64): Cast arguments to __v1di type.
1549 (_mm_sub_si64): Ditto.
1550 (_mm_sll_pi16): Cast __count to __v4hi type.
1551 (_mm_sll_pi32): Cast __count to __v2si type.
1552 (_mm_sll_si64): Cast arguments to __v1di type.
1553 (_mm_srl_pi16): Cast __count to __v4hi type.
1554 (_mm_srl_pi32): Cast __count to __v2si type.
1555 (_mm_srl_si64): Cast arguments to __v1di type.
1556 (_mm_sra_pi16): Cast __count to __v4hi type.
1557 (_mm_sra_pi32): Cast __count to __v2si type.
1558 (_mm_slli_pi16): Use __builtin_ia32_psllwi.
1559 (_mm_slli_pi32): Use __builtin_ia32_pslldi.
1560 (_mm_slli_si64): Use __builtin_ia32_psllqi. Cast __m to __v1di type.
1561 (_mm_srli_pi16): Use __builtin_ia32_psrlwi.
1562 (_mm_srli_pi32): Use __builtin_ia32_psrldi.
1563 (_mm_srli_si64): Use __builtin_ia32_psrlqi. Cast __m to __v1di type.
1564 (_mm_srai_pi16): Use __builtin_ia32_psrawi.
1565 (_mm_srai_pi32): Use __builtin_ia32_psradi.
1566 * config/i386/i386.md (UNSPEC_NOP): Remove unspec definition.
1567 * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
1568 __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
1569 __builtin_ia32_psrl?i, __builtin_ia32_psra?i]: Add new builtins.
1571 2008-03-07 Joseph Myers <joseph@codesourcery.com>
1573 * doc/include/texinfo.tex: Update to version 2008-03-07.10.
1575 2008-03-07 Peter Bergner <bergner@vnet.ibm.com>
1578 * config/rs6000/rs6000.c (rs6000_legitimize_address): Don't generate
1579 reg+const addressing for Altivec modes. Don't generate reg+reg
1580 addressing for TFmode or TDmode quantities.
1582 2008-03-07 Paolo Bonzini <bonzini@gnu.org>
1584 * c-common.c (vector_types_convertible_p): Call langhook
1585 instead of comptypes.
1587 2008-03-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
1590 * tree-ssa-ccp.c (get_symbol_constant_value): Handle
1591 integral and scalar float variables which have a
1594 2008-03-06 Nathan Froyd <froydnj@codesourcery.com>
1596 * dwarf2out.c (dwarf2out_frame_debug_expr): Consult the
1597 dwarf_register_span hook when emitting unwind information for
1598 register-to-memory saves.
1599 * config/rs6000/rs6000.c (spe_synthesize_frame): Delete.
1600 (rs6000_frame_related): Remove call to spe_synthesize_frame.
1602 2008-03-06 Jakub Jelinek <jakub@redhat.com>
1604 * gimplify.c (goa_lhs_expr_p): Allow different ADDR_EXPR nodes
1605 for the same VAR_DECL.
1607 2008-03-06 Tom Tromey <tromey@redhat.com>
1610 * doc/standards.texi (Standards): Don't mention treelang.
1611 * doc/invoke.texi (Overall Options): Don't mention treelang.
1612 * doc/install.texi (Prerequisites): Don't mention bison or
1614 (Configuration): Don't mention treelang.
1615 (Building): Likewise.
1616 * doc/frontends.texi (G++ and GCC): Don't mention treelang.
1618 2008-03-06 Paolo Bonzini <bonzini@gnu.org>
1620 * simplify-rtx.c (simplify_subreg): Remove useless shifts from
1621 word-extractions out of a multi-word object.
1623 2008-03-06 Richard Guenther <rguenther@suse.de>
1625 * tree.def (BIT_FIELD_REF): Constrain result type and its precision.
1626 * tree-cfg.c (verify_expr): Verify BIT_FIELD_REF constraints on
1627 result type and precision.
1628 * expr.c (get_inner_reference): Set unsignedp based on the result
1629 type of BIT_FIELD_REF.
1630 * tree.h (BIT_FIELD_REF_UNSIGNED): Remove.
1631 * tree-sra.c (instantiate_element): Do not set BIT_FIELD_REF_UNSIGNED.
1632 (try_instantiate_multiple_fields): Likewise. Use the correct type
1634 (sra_build_assignment): Likewise.
1635 (sra_build_elt_assignment): Likewise.
1636 (sra_explode_bitfield_assignment): Likewise.
1637 * print-tree.c (print_node): Do not check BIT_FIELD_REF_UNSIGNED.
1638 * tree-vect-transform.c (vect_create_epilog_for_reduction): Do not
1639 set BIT_FIELD_REF_UNSIGNED.
1640 (vectorizable_load): Likewise.
1642 2008-03-06 Andreas Krebbel <krebbel1@de.ibm.com>
1644 * cse.c (cse_extended_basic_block): Invalidate artificial defs
1647 2008-03-06 Richard Guenther <rguenther@suse.de>
1649 * alias.c (struct alias_set_entry): Move has_zero_child field
1650 to pack with alias_set.
1652 2008-03-05 H.J. Lu <hongjiu.lu@intel.com>
1654 * config/i386/i386-modes.def: Use 4 byte alignment on DI for
1657 2008-03-05 Ian Lance Taylor <iant@google.com>
1659 * alias.h (alias_set_type): Change from HOST_WIDE_INT to int.
1661 2008-03-05 Kenneth Zadeck <zadeck@naturalbridge.com>
1663 * fwprop.c (update_df): Support width and offset parameters of
1665 * ra-conflict.c (mark_reg_store, clear_reg_in_live,
1666 global_conflicts): Change DF_REF_EXTRACT to either
1667 DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT. Change
1668 DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
1669 * df-scan.c (df_ref_record, df_defs_record,
1670 df_ref_create_structure, df_def_record_1, df_uses_record,
1671 df_get_conditional_uses, df_get_call_refs, df_insn_refs_collect,
1672 df_bb_refs_collect, df_entry_block_defs_collect,
1673 df_exit_block_uses_collect): Support new width and offset fields.
1674 (ref_extract_pool): New storage pool.
1675 (df_free_ref): New function.
1676 (df_reg_chain_unlink, df_free_collection_rec,
1677 df_sort_and_compress_refs): Call df_free_ref.
1678 (df_ref_equal_p, df_ref_compare): Compare offset and width fields
1680 (df_ref_create_structure): Allocate df_ref_extract if offset and
1681 width fields are used.
1682 (df_def_record_1): Get offset and width from ZERO_EXTRACT.
1683 (df_uses_record): Get offset and width from ZERO_EXTRACT
1685 * global.c (build_insn_chain): Change DF_REF_EXTRACT to either
1686 DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT. Change
1687 DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
1688 * df.h (df_ref_flags): Change DF_REF_EXTRACT to either
1689 DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT. Change
1690 DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
1691 (df_ref_extract): New structure.
1692 (DF_REF_WIDTH, DF_REF_OFFSET): New macros.
1693 (df_ref_create): Add width and offset parameters.
1695 2008-03-05 Richard Guenther <rguenther@suse.de>
1697 * tree-ssa-structalias.c (get_constraint_for_component_ref):
1698 Use ranges_overlap_p.
1699 (offset_overlaps_with_access): Rename
1700 to ranges_overlap_p and move ...
1701 * tree-flow-inline.h (ranges_overlap_p): ... here.
1703 * tree.h (get_inner_reference, handled_component_p): Update
1706 * tree.h (record_component_aliases, get_alias_set,
1707 alias_sets_conflict_p, alias_sets_must_conflict_p,
1708 objects_must_conflict_p): Move declarations ...
1709 * alias.h (record_component_aliases, get_alias_set,
1710 alias_sets_conflict_p, alias_sets_must_conflict_p,
1711 objects_must_conflict_p): ... here.
1712 Include coretypes.h.
1713 * Makefile.in (ALIAS_H): Add coretypes.h dependency.
1715 2008-03-05 Aldy Hernandez <aldyh@redhat.com>
1717 * cfg.c: Include tree-flow.h.
1718 (remove_edge_raw): Call redirect_edge_var_map_clear.
1719 (redirect_edge_succ_nodup): Call redirect_edge_var_map_dup.
1720 * tree-flow-inline.h (redirect_edge_var_map_def): New.
1721 (redirect_edge_var_map_result): New.
1722 * tree-cfgcleanup.c (remove_forwarder_block_with_phi): Replace
1723 PENDING_STMT use with redirect_edge_var_map_*.
1724 * tree-ssa.c (edge_var_maps): New definition.
1725 (redirect_edge_var_map_add): New.
1726 (redirect_edge_var_map_clear): New.
1727 (redirect_edge_var_map_dup): New.
1728 (redirect_edge_var_map_vector): New.
1729 (redirect_edge_var_map_destroy): New.
1730 (ssa_redirect_edge): Replace PENDING_STMT use with
1731 redirect_edge_var_map_*.
1732 (flush_pending_stmts): Same.
1733 (delete_tree_ssa): Destroy edge var map.
1734 * tree-flow.h (struct _edge_var_map): New.
1735 Define edge_var_map vector type.
1736 Declare redirect_edge_var_map_* prototypes.
1737 * Makefile.in (cfg.o): Depend on TREE_FLOW_H.
1738 * tree-cfg.c (reinstall_phi_args): Replace
1739 PENDING_STMT use with redirect_edge_var_map_*.
1741 2008-03-05 Richard Guenther <rguenther@suse.de>
1743 PR tree-optimization/35472
1744 * tree-ssa-dse.c (dse_optimize_stmt): Do not delete a store
1745 whose single use_stmt has a overlapping set of loaded and
1746 stored symbols as that use_stmt might be a noop assignment then.
1748 2008-03-05 Joel Sherrill <joel.sherrill@oarcorp.com>
1750 * gthr-rtems.h: Implement __gthread_mutex_destroy.
1752 2008-03-05 Richard Guenther <rguenther@suse.de>
1755 * tree.def (BIT_FIELD_REF): Document that operands 1 and 2
1756 should be constants.
1757 * tree-cfg.c (verify_expr): Verify it.
1758 * fold-const.c (fold_truthop): Remove code generating
1759 BIT_FIELD_REFs of structure bases.
1760 (fold_binary): Likewise.
1761 (fold_ternary): Position and size of BIT_FIELD_REFs are
1762 always host integers.
1763 (make_bit_field_ref): Remove.
1764 (optimize_bit_field_compare): Remove.
1765 (all_ones_mask_p): Remove.
1767 2008-03-05 Gabor Loki <loki@gcc.gnu.org>
1770 * rtl-factoring.c (clear_regs_live_in_seq): Fix backward steps.
1771 (split_block_and_df_analyze): New. Split basic block and rebuild
1773 (block_label_after): Use SPLIT_BLOCK_AND_DF_ANALYZE instead of
1775 (split_pattern_seq): Likewise.
1776 (erase_matching_seqs): Likewise.
1777 (split_pattern_seq): Skip return insn in case of REG_NORETURN note.
1779 2008-03-04 Geoff Keating <geoffk@apple.com>
1781 * fold-const.c (tree_single_nonnegative_warnv_p): Fix mixed
1782 declaration and code.
1783 (tree_invalid_nonnegative_warnv_p): Likewise.
1785 2008-03-05 Serge Belyshev <belyshev@depni.sinp.msu.ru>
1787 * doc/install.texi (Testing): Correct quoting for the RUNTESTFLAGS
1788 examples. Truncate option-names then causing overfull hbox.
1790 2008-03-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1793 * configure.ac (CONFIG_SJLJ_EXCEPTIONS): Force SJLJ exceptions
1795 * configure: Rebuilt.
1797 2008-03-04 Rafael Espindola <espindola@google.com>
1799 * fold-const.c (tree_simple_nonnegative_warnv_p): New.
1800 (tree_unary_nonnegative_warnv_p): New.
1801 (tree_binary_nonnegative_warnv_p): New.
1802 (tree_single_nonnegative_warnv_p): New.
1803 (tree_invalid_nonnegative_warnv_p): New.
1804 (tree_expr_nonnegative_warnv_p): Redefine in term of the new functions.
1806 2008-03-04 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1809 * opts.c (handle_option): Postpone 'unknown option' errors only for
1812 2008-03-04 H.J. Lu <hongjiu.lu@intel.com>
1815 * config/i386/smmintrin.h (SIDD_XXX): Renamed to ...
1818 2008-03-04 Rafael Espindola <espindola@google.com>
1820 * fold-const.c (tree_unary_nonzero_warnv_p): New.
1821 (tree_binary_nonzero_warnv_p): New.
1822 (tree_single_nonzero_warnv_p): New.
1823 (tree_expr_nonzero_warnv_p): Redefine using the new functions.
1825 2008-03-04 Uros Bizjak <ubizjak@gmail.com>
1828 * fold-const.c (fold_cond_expr_with_comparison): Prevent
1829 transformations for modes that have signed zeros.
1830 * ifcvt.c (noce_try_abs): Ditto.
1832 2008-03-04 Joseph Myers <joseph@codesourcery.com>
1834 * config/i386/i386.c (override_options): Force
1835 -maccumulate-outgoing-args on if TARGET_STACK_PROBE.
1837 2008-03-04 Jan Hubicka <jh@suse.cz>
1840 * ipa-inline.c (cgraph_decide_inlining_of_small_function): Fix typo
1843 2008-03-04 Danny Smith <dannysmith@users.sourceforge.net>
1845 * config/i386/i386.md (allocate_stack_worker_32): Use __chkstk
1846 label to probe the stack.
1848 2008-03-04 Danny Smith <dannysmith@users.sourceforge.net>
1850 * gthr-win32.h [__GTHREAD_HIDE_WIN32API]
1851 (__gthr_win32_mutex_destroy): Declare.
1852 [__GTHREAD_HIDE_WIN32API] (__gthread_mutex_destroy): Use
1853 __gthr_win32_mutex_destroy.
1854 * config/i386/gthr-win32.c (__gthr_win32_mutex_destroy): Define.
1856 2008-03-03 Jan Hubicka <jh@suse.cz>
1859 * ipa-inline.c (cgraph_decide_inlining_of_small_function): Be more
1860 aggressive on inlining cold calls.
1862 2008-03-03 Richard Guenther <rguenther@suse.de>
1864 * tree-ssa-sccvn.c (visit_reference_op_store): Do not insert
1865 struct copies into the expression table.
1866 (simplify_unary_expression): Handle VIEW_CONVERT_EXPR.
1867 (try_to_simplify): Likewise.
1868 * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPR of
1869 integral and pointer arguments which do not change the
1870 precision to NOP_EXPRs.
1871 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Adjust
1872 VIEW_CONVERT_EXPR case.
1874 2008-03-02 Sebastian Pop <sebastian.pop@amd.com>
1876 * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
1877 defined in a loop at depth 0 is invariant.
1878 * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
1879 * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
1880 be called at loop depth 0.
1882 2008-03-02 Jakub Jelinek <jakub@redhat.com>
1885 * gcc.c (process_command): Update copyright notice dates.
1886 * gcov.c (print_version): Likewise.
1887 * gcov-dump.c (print_version): Likewise.
1888 * mips-tfile.c (main): Likewise.
1889 * mips-tdump.c (main): Likewise.
1891 2008-03-02 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1894 * c-common.c (flag_permissive): Delete.
1895 (constant_expression_warnings): Check flags first.
1896 (constant_expression_error): New.
1897 * c-common.h (flag_permissive): Delete.
1898 (constant_expression_error): Declare.
1899 * flags.h (flag_permissive): Declare. Update description.
1900 * diagnostic.c (pedwarn): Update.
1902 * diagnostic.h: (pedantic_error_kind): Rename as pedantic_warning_kind.
1903 (permissive_error_kind): New.
1904 * toplev.c (flag_permissive): Define. Update description.
1905 * toplev.h (permissive_error_kind): Declare.
1906 * c-errors.c (pedwarn_c99): Use pedantic_warning_kind.
1907 (pedwarn_c90): Use pedantic_warning_kind.
1908 * c-opts.c (c_common_post_options): flag_permissive does not affect
1909 flag_pedantic_errors.
1911 2008-03-02 Joseph Myers <joseph@codesourcery.com>
1913 * libgcc2.c (__addvSI3, __addvsi3, __addvDI3, __subvSI3,
1914 __subvsi3, __subvDI3, __negvSI2, __negvsi2, __negvDI2, __absvSI2,
1915 __absvsi2, __absvDI2): Use unsigned arithmetic.
1917 2008-03-02 Andi Kleen <ak@suse.de>
1918 Richard Guenther <rguenther@suse.de>
1920 * struct-equiv.c: Remove file.
1921 * cfg_cleanup.c (condjump_equiv_p): Remove.
1922 * Makefile.in (OBJS-common): Remove struct-equiv.o.
1923 (struct-equiv.o): Remove rule.
1924 * basic-block.h (struct_equiv_checkpoint, STRUCT_EQUIV_*,
1925 insns_match_p, struct_equiv_block_eq, struct_equiv_init,
1926 rtx_equiv_p, condjump_equiv_p): Remove prototypes.
1928 2008-03-01 Alexandre Oliva <aoliva@redhat.com>
1930 * ifcvt.c (noce_process_if_block): Try to handle only the then
1931 block if the else block exists but isn't suitable.
1933 2008-03-01 Janne Blomqvist <jb@gcc.gnu.org>
1936 * gthr-posix.h (__gthread_mutex_destroy): Remove extra declarations.
1937 * gthr-posix95.h (__gthread_mutex_destroy): Likewise. Note this fixes
1938 regression from previous patch.
1940 2008-03-01 Janne Blomqvist <jb@gcc.gnu.org>
1943 * gthr.h: Add __gthread_mutex_destroy as a function that must be
1945 * gthr-vxworks.h (__gthread_mutex_destroy): Null implementation.
1946 * gthr-single.h (__gthread_mutex_destroy): Likewise.
1947 * gthr-rtems.h (__gthread_mutex_destroy): Likewise.
1948 * gthr-mipssde.h (__gthread_mutex_destroy): Likewise.
1949 * gthr-nks.h (__gthread_mutex_destroy): Likewise.
1950 * gthr-solaris.h (__gthread_mutex_destroy): Call mutex_destroy.
1951 * gthr-win32.h (__GTHREAD_MUTEX_DESTROY_FUNCTION): Remove.
1952 (__gthread_mutex_destroy_function): Rename to
1953 __gthread_mutex_destroy.
1954 * gthr-dce.h (__gthread_mutex_destroy): Call
1955 pthread_mutex_destroy.
1956 * gthr-tpf.h (__gthread_mutex_destroy): Likewise.
1957 * gthr-posix.h (__gthread_mutex_destroy): Likewise.
1958 * gthr-posix95.h (__gthread_mutex_destroy): Likewise.
1960 2008-03-01 Alexandre Oliva <aoliva@redhat.com>
1962 * df-scan.c (df_ref_chain_change_bb): Simplify.
1963 (df_insn_change_bb): Add new_bb argument. Simplify. Call
1964 set_block_for_insn if there's any change.
1965 * df.h ((df_insn_change_bb): Fix prototype.
1966 * cfgrtl.c (update_bb_for_insn_chain): Pass bb to
1967 df_insn_change_bb, don't call set_block_for_insn.
1968 * emit-rtl.c (reorder_insns): Likewise.
1969 * haifa-sched.c (move_insn): Likewise.
1971 2008-03-01 Alexandre Oliva <aoliva@redhat.com>
1973 * rtlanal.c (loc_mentioned_in_p): Test XVECEXPs correctly.
1975 2008-03-01 Alexandre Oliva <aoliva@redhat.com>
1977 * tree-flow-inline.h (next_readonly_imm_use): Return
1978 NULL_USE_OPERAND_P after the end.
1980 2008-03-01 Richard Guenther <rguenther@suse.de>
1982 PR tree-optimization/35411
1983 * tree-sra.c (sra_build_assignment): Split conversion to
1984 final type to a separate statement if we are not assigning
1987 2008-02-29 Francois-Xavier Coudert <coudert@clipper.ens.fr>
1989 * fold-const.c (fold_convertible_p): Correct the logic to follow
1990 that in fold_convert().
1992 2008-02-29 Douglas Gregor <doug.gregor@gmail.com>
1995 * tree-inline.c (build_duplicate_type): When we make a
1996 duplicate type, make it unique in the canonical types system.
1998 2008-02-29 Tom Tromey <tromey@redhat.com>
2000 * toplev.c (input_file_stack, input_file_stack_tick, fs_p,
2001 input_file_stack_history, input_file_stack_restored): Remove.
2002 (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
2003 * input.h (struct file_stack): Remove.
2004 (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
2005 (input_file_stack, input_file_stack_tick, INPUT_FILE_STACK_BITS):
2007 * diagnostic.h (struct diagnostic_context) <last_module>: Change
2009 (diagnostic_last_module_changed): Add 'map' argument.
2010 (diagnostic_set_last_function): Likewise.
2011 * diagnostic.c (undiagnostic_report_current_module): Iterate using
2012 line map, not input_file_stack.
2013 * c-lex.c (fe_file_change): Don't use push_srcloc or pop_srcloc.
2015 2008-02-29 Paul Brook <paul@codesourcery.com>
2017 * config/arm/arm.md (arm_addsi3): Add r/k/n alternative.
2019 2008-02-29 Paul Brook <paul@codesourcery.com>
2021 * config/arm/ieee754-df.S (muldf3): Use RET macros.
2023 2008-02-29 Richard Guenther <rguenther@suse.de>
2025 * tree-ssa-pre.c (get_sccvn_value): Create missing VNs via
2027 * tree-ssa-sccnv.c (visit_reference_op_store): Use the rhs
2028 value for comparing for a store match.
2029 (simplify_unary_expression): Do nothing for SSA_NAMEs.
2030 (try_to_simplify): Do not do a full-blown reference lookup.
2032 2008-02-29 Kaz Kojima <kkojima@gcc.gnu.org>
2034 * config/sh/sh.c (sh_scalar_mode_supported_p): New function.
2035 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
2037 * config/sh/sh.h (OVERRIDE_OPTIONS): Don't warn for profiling.
2039 2008-02-29 Sebastian Pop <sebastian.pop@amd.com>
2041 * tree-loop-linear.c (try_interchange_loops): Compare memory access
2042 strides against cache sizes.
2044 2008-02-29 Kaz Kojima <kkojima@gcc.gnu.org>
2046 * config/sh/sh.c (sh_secondary_reload): Handle loading a float
2049 2008-02-28 Richard Sandiford <rsandifo@nildram.co.uk>
2051 * simplify-rtx.c (simplify_unary_operation_1): Extend the handling
2052 of SUBREG_PROMOTED_VAR_P to cope with cases where the extended value
2053 is smaller than the original promoted value.
2054 (simplify_subreg): If OP is a SUBREG, try to preserve its
2055 SUBREG_PROMOTED_VAR_P information.
2057 2008-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
2059 * tree-ssa-sccvn (vn_ssa_aux_obstack): New obstack.
2060 (VN_INFO_GET): Allocate new objects on the obstack.
2061 (init_scc_vn): Initialize the obstack. Use XDELETE instead of free
2062 for rpo_numbers_temp, for consistency.
2063 (free_scc_vn): Free the obstack.
2065 2008-02-28 Sebastian Pop <sebastian.pop@amd.com>
2067 * doc/invoke.texi: Document -ftree-loop-distribution.
2068 * tree-loop-distribution.c: New.
2069 * tree-pass.h (pass_loop_distribution): New.
2070 * graphds.h (struct graph): Add htab_t indices.
2071 * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
2072 * tree-vectorizer.c (rename_variables_in_loop): Extern.
2073 (slpeel_tree_duplicate_loop_to_edge_cfg): Init PENDING_STMT to NULL.
2074 * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
2075 * tree-data-ref.c (debug_data_dependence_relations): New.
2076 (dump_data_dependence_relation): Also print data references.
2077 (free_data_ref): Extern.
2078 (same_access_functions): Moved...
2079 (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
2080 (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
2081 debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
2082 struct rdg_vertex_info, rdg_vertex_for_stmt): New.
2083 (create_rdg_edge_for_ddr, create_rdg_vertices): Cleaned up.
2084 (stmts_from_loop): Skip LABEL_EXPR.
2085 (hash_stmt_vertex_info, eq_stmt_vertex_info, hash_stmt_vertex_del):
2087 (build_rdg): Initialize rdg->indices htab.
2088 (free_rdg, stores_from_loop, ref_base_address,
2089 rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
2090 have_similar_memory_accesses_1, ref_base_address_1,
2091 remove_similar_memory_refs): New.
2092 * tree-data-ref.h: Depend on tree-chrec.h.
2093 (debug_data_dependence_relations, free_data_ref): Declared.
2094 (same_access_functions): ... here.
2095 (ddr_is_anti_dependent, ddrs_have_anti_deps, ddr_dependence_level):
2097 (struct rdg_vertex): Add has_mem_write and has_mem_reads.
2098 (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT,
2099 RDG_MEM_WRITE_STMT, RDG_MEM_READS_STMT): New.
2100 (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
2101 debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
2102 rdg_vertex_for_stmt): Declared.
2103 (struct rdg_edge): Add level.
2105 (free_rdg, stores_from_loop, remove_similar_memory_refs,
2106 rdg_defs_used_in_other_loops_p, have_similar_memory_accesses):
2108 (rdg_has_similar_memory_accesses): New.
2109 * tree-vect-analyze.c: Remove unused static decls.
2110 * lambda.h (dependence_level): New.
2111 * common.opt (ftree-loop-distribution): New.
2112 * tree-flow.h (mark_virtual_ops_in_bb,
2113 slpeel_tree_duplicate_loop_to_edge_cfg,
2114 rename_variables_in_loop): Declared.
2115 * Makefile.in (TREE_DATA_REF_H): Depend on tree-chrec.h.
2116 (OBJS-common): Add tree-loop-distribution.o.
2117 (tree-loop-distribution.o): New rule.
2118 * tree-cfg.c (mark_virtual_ops_in_bb): New.
2119 (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
2120 * passes.c (init_optimization_passes): Schedule pass_loop_distribution.
2122 2008-02-28 Joseph Myers <joseph@codesourcery.com>
2125 * tree.c (handle_dll_attribute): Disallow TYPE_DECLs for types
2126 other than structures and unions.
2128 2008-02-28 Richard Guenther <rguenther@suse.de>
2131 2008-02-26 Richard Guenther <rguenther@suse.de>
2133 * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
2134 * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
2135 (lookup_decl_from_uid): Declare.
2136 (remove_decl_from_map): Likewise.
2137 * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
2138 * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
2139 (decl_for_uid_map): New global hashtable mapping DECL_UID
2141 (init_ttree): Allocate it.
2142 (insert_decl_to_uid_decl_map): New helper function.
2143 (make_node_stat): Insert new decls into the map.
2144 (copy_node_stat): Likewise.
2145 (lookup_decl_from_uid): New function.
2146 (remove_decl_from_map): Likewise.
2147 (print_decl_for_uid_map_statistics): New helper.
2148 (dump_tree_statistics): Call it.
2150 * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
2151 (referenced_var_iterator): Adjust.
2152 (FOR_EACH_REFERENCED_VAR): Adjust.
2153 (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
2154 (num_referenced_vars): Adjust.
2155 * tree-flow-inline.h (gimple_referenced_vars): Adjust.
2156 (first_referenced_var): Remove.
2157 (end_referenced_vars_p): Likewise.
2158 (next_referenced_var): Likewise.
2159 (referenced_var_iterator_set): New helper function.
2160 * tree-dfa.c (referenced_var_lookup): Adjust.
2161 (referenced_var_check_and_insert): Likewise.
2162 (remove_referenced_var): Likewise.
2163 * tree-ssa.c (verify_flow_insensitive_alias_info): Use
2164 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2165 (verify_call_clobbering): Likewise.
2166 (verify_memory_partitions): Likewise.
2167 (init_tree_ssa): Allocate bitmap instead of hashtable for
2169 (delete_tree_ssa): Adjust.
2170 * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
2171 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2172 (compute_tag_properties): Likewise.
2173 (set_initial_properties): Likewise.
2174 (find_partition_for): Likewise.
2175 (update_reference_counts): Likewise.
2176 (dump_may_aliases_for): Likewise.
2177 * tree-ssa-operands.c (add_virtual_operand): Likewise.
2178 (add_call_clobber_ops): Likewise.
2179 (add_call_read_ops): Likewise.
2180 (get_asm_expr_operands): Likewise.
2181 * tree-into-ssa.c (dump_decl_set): Likewise.
2182 (update_ssa): Likewise.
2183 * tree-sra.c (scan_function): Likewise.
2184 (decide_instantiations): Likewise.
2185 (scalarize_parms): Likewise.
2186 * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
2187 (dsa_named_for): Likewise.
2188 * tree-ssa-structalias.c (update_alias_info): Likewise.
2189 (merge_smts_into): Likewise.
2191 2008-02-27 David Daney <ddaney@avtrex.com>
2194 * config/mips/iris.h (MIPS_DEBUGGING_INFO): Define.
2195 * config/mips/openbsd.h (MIPS_DEBUGGING_INFO): Same.
2196 * config/mips/sde.h (MIPS_DEBUGGING_INFO): Remove undef.
2197 * config/mips/vxworks.h (MIPS_DEBUGGING_INFO): Same.
2198 * config/mips/mips.h (MIPS_DEBUGGING_INFO): Remove define.
2200 2008-02-27 Uros Bizjak <ubizjak@gmail.com>
2203 * config/darwin-ppc-ldouble-patch.def (BUILT_IN_NANL): Add.
2204 (BUILT_IN_NEXTTOWARD): Remove.
2205 (BUILT_IN_NEXTTOWARDF): Ditto.
2206 * config/darwin.c (darwin_patch_builtin): Use ACONCAT instead of
2207 alloca/strcpy/strcat. Remove commented-out code. Fix whitespace.
2209 2008-02-27 Tom Tromey <tromey@redhat.com>
2211 * tree-dump.c (dequeue_and_dump) <FUNCTION_DECL>: Check
2212 DECL_SAVED_TREE, not DECL_LANG_SPECIFIC, when dumping body.
2214 2008-02-27 Jan Beulich <jbeulich@novell.com>
2216 * c-decl.c (merge_decls): Use DECL_USER_ALIGN() on olddecl to
2217 update the respective field on newdecl.
2219 2008-02-27 Revital Eres <eres@il.ibm.com>
2221 PR rtl-optimization/34999
2222 * bb-reorder.c (add_labels_and_missing_jumps): Do not handle
2223 crossing edges that ends with a call insn.
2224 (fix_up_fall_thru_edges): Handle crossing edges that ends with a
2225 call insn and clear the EDGE_CROSSING flag of the crossing edge
2226 when fixing fallthru edges.
2228 2008-02-27 Richard Guenther <rguenther@suse.de>
2231 * fold-const.c (fold_unary): Return the correct argument,
2232 converted to the result type.
2234 2008-02-27 Richard Guenther <rguenther@suse.de>
2237 * expr.c (expand_expr_real_1): Assert on rotates that operate
2239 * fold-const.c (fold_binary): Use the types precision, not the
2240 bitsize of the mode if folding rotate expressions. Build rotates
2241 only for full modes.
2243 2008-02-27 Jakub Jelinek <jakub@redhat.com>
2245 * c-ppoutput.c (scan_translation_unit): Handle CPP_PRAGMA
2247 * c-pragma.c (pragma_ns_name): New typedef.
2248 (registered_pp_pragmas): New variable.
2249 (c_pp_lookup_pragma): New function.
2250 (c_register_pragma_1): If flag_preprocess_only, do nothing
2251 for non-expanded pragmas, for expanded ones push pragma's
2252 namespace and name into registered_pp_pragmas vector.
2253 (c_invoke_pragma_handler): Register OpenMP pragmas even when
2254 flag_preprocess_only, don't register GCC pch_preprocess
2255 pragma if flag_preprocess_only.
2256 * c-opts.c (c_common_init): Call init_pragma even if
2257 flag_preprocess_only.
2258 * c-pragma.c (c_pp_lookup_pragma): New prototype.
2259 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS): Don't call
2260 cpp_register_pragma if flag_preprocess_only.
2262 2008-02-26 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2265 * c-parser.c (c_parser_translation_unit): Warn for empty
2266 translation unit, not empty source file.
2268 2008-02-26 Paul Brook <paul@codesourcery.com>
2270 * config/arm/arm.c (thumb_set_frame_pointer): Ensure SP is first
2271 operand for Thumb-2.
2272 * config/arm/arm.h (reg_class): Add CORE_REGS.
2273 (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Ditto.
2274 (BASE_REG_CLASS): Use CORE_REGS.
2275 (PREFERRED_RELOAD_CLASS): Add STACK_REG.
2276 (REGNO_MODE_OK_FOR_REG_BASE_P): Use REGNO_MODE_OK_FOR_BASE_P.
2277 (REGNO_OK_FOR_INDEX_P): Exclude SP.
2278 (ARM_REG_OK_FOR_INDEX_P): Always define. Use
2279 ARM_REGNO_OK_FOR_INDEX_P.
2280 (ARM_PRINT_OPERAND_ADDRESS): Swap operands for [reg, sp].
2281 * config/arm/arm.md (arm_addsi3, thumb1_addsi3, arm_subsi3_insn,
2282 arm_movsi_insn, thumb1_movsi_insni, stack_tie): Add "k" alternatives.
2283 (ldm/stm peepholes): Ditto.
2284 * config/arm/thumb2.md (thumb2_movdi): Add "k" alternatives.
2285 * config/arm/vfp.md (arm_movsi_vfp, thumb2_movsi_vfp): Ditto.
2286 * config/arm/iwmmxt.md (iwmmxt_movsi_insn): Ditto.
2287 * config/arm/constraints.md: Enable "k" constraint on ARM.
2289 2008-02-27 Ben Elliston <bje@au.ibm.com>
2291 * config/rs6000/rs6000.c: Annotate cache line size field in all
2292 instances of struct processor_costs.
2294 2008-02-26 David Edelsohn <edelsohn@gnu.org>
2296 * dbgcnt.def (cfg_cleanup, cprop1, cprop2, dce_fast, dce_ud, dse1,
2297 dse2, gcse, if_conversion, if_after_combine, if_after_reload,
2298 jump_bypass): New counters.
2299 * cfgcleanup.c (cleanup_cfg): Add dbg_cnt.
2300 * dce.c (gate_ud_dce): Same.
2301 (gate_fast_dce): Same.
2302 * dse.c (gate_dse1): New function.
2303 (gate_dse2): New function.
2304 (gate_dse): Merge results of new gate functions.
2305 * gcse.c (gcse_main): Bracket cprop1 and cprop2 with dbg_cnt.
2306 (gate_handle_jump_bypass): Add dbg_cnt.
2307 (gate_handle_gcse): Add dbg_cnt.
2308 * ifcvt.c (gate_handle_if_conversion): Same.
2309 (gate_handle_if_after_combine): Same.
2310 (gate_handle_if_after_reload): Same.
2311 * Makefile.in: Add DBGCNT_H to cfgcleanup.o and ifcvt.o.
2313 2008-02-26 Edmar Wienskoski <edmar@freescale.com>
2315 * config/rs6000/rs6000.c (processor_costs): Update e300 cache
2317 * doc/invoke.texi: Add e300c2 and e300c3 to list of cpus.
2319 2008-02-26 Jason Merrill <jason@redhat.com>
2322 * attribs.c (decl_attributes): Leave ATTR_FLAG_TYPE_IN_PLACE
2323 alone if it's the naming decl for the type's main variant.
2325 2008-02-26 Tom Tromey <tromey@redhat.com>
2327 * system.h (USE_MAPPED_LOCATION): Poison.
2328 * Makefile.in (GTFILES): Put CPP_ID_DATA_H first.
2329 * tree-cfg.c (make_cond_expr_edges): Remove old location code.
2330 (make_goto_expr_edges): Likewise.
2331 (remove_bb): Likewise.
2332 (execute_warn_function_return): Likewise.
2333 * basic-block.h (struct edge_def) <goto_locus>: Change type to
2335 * c-common.c (fname_decl): Remove old location code.
2336 * tree-vect-transform.c (vect_finish_stmt_generation): Remove old
2338 * rtl.h (ASM_OPERANDS_SOURCE_LOCATION): Remove old-location
2340 (ASM_INPUT_SOURCE_LOCATION): Likewise.
2341 (gen_rtx_ASM_INPUT): Likewise.
2342 (gen_rtx_ASM_INPUT_loc): Likewise.
2343 (get_rtx_asm_OPERANDS): Remove.
2344 * cfglayout.c (insn_locators_alloc): Remove old location code.
2345 (set_curr_insn_source_location): Likewise.
2346 (curr_insn_locator): Likewise.
2347 * print-tree.c (print_node): Remove old location code.
2348 * tree-mudflap.c (mf_varname_tree): Remove old location code.
2349 (mf_file_function_line_tree): Remove test of USE_MAPPED_LOCATION.
2350 * cfgexpand.c (expand_gimple_cond_expr): Don't use
2351 location_from_locus.
2352 (construct_exit_block): Remove old location code.
2353 * emit-rtl.c (force_next_line_note): Remove old location code.
2354 * profile.c (branch_prob): Remove old location code.
2355 * tree-vectorizer.h (LOC, UNKNOWN_LOC, EXPR_LOC, LOC_FILE,
2356 LOC_LINE): Remove old-location variants.
2357 * langhooks.c (lhd_print_error_function): Remove old location
2359 * configure, config.in: Rebuilt.
2360 * configure.ac (--enable-mapped-location): Remove.
2361 * c-decl.c (c_init_decl_processing): Remove old location code.
2362 (finish_function): Likewise.
2363 * recog.c (decode_asm_operands): Remove old location code.
2364 * c-pch.c (c_common_read_pch): Remove old location code.
2365 * rtl.def (ASM_INPUT, ASM_OPERANDS): Remove old location
2367 * gimple-low.c (lower_function_body): Remove old location code.
2368 * toplev.c (unknown_location): Remove.
2369 (push_srcloc): Remove old-location variant.
2370 (process_options): Remove old location code.
2371 (lang_dependent_init): Likewise.
2372 * input.h (UNKNOWN_LOCATION): Move definition.
2373 (location_t): Undeprecate.
2374 (source_locus): Remove.
2375 (location_from_locus): Remove.
2376 (struct location_s): Remove.
2377 Remove all old-location code.
2378 (input_line, input_filename): Remove.
2379 * final.c (final_scan_insn): Remove old location code.
2380 * diagnostic.c (diagnostic_build_prefix): Remove
2381 USE_MAPPED_LOCATION test.
2382 * tree.h (gimple_stmt) <locus>: Now a location_t.
2383 (tree_exp) <locus>: Likewise.
2384 (DECL_IS_BUILTIN): Remove old-location variant.
2385 (annotate_with_file_line, annotate_with_locus): Likewise.
2386 (expr_locus, set_expr_locus): Update.
2387 * tree.c (build1_stat): Remove old location code.
2388 (last_annotated_node): Remove.
2389 (annotate_with_file_line): Remove old-location variant.
2390 (annotate_with_locus): Likewise.
2391 (expr_location): Remove old location code.
2392 (set_expr_location): Likewise.
2393 (expr_has_location): Likewise.
2394 (expr_locus): Likewise.
2395 (set_expr_locus): Likewise.
2396 (expr_filename): Don't use location_from_locus.
2397 (expr_lineno): Likewise.
2398 * rtl-error.c (location_for_asm): Remove old location code.
2399 * c-lex.c (cb_line_change): Remove old location code.
2400 (fe_file_change): Likewise.
2401 (cb_def_pragma): Likewise.
2402 (c_lex_with_flags): Likewise.
2403 * gengtype.c (do_typedef): Don't special-case location types.
2404 (define_location_structures): Remove.
2405 (main): Don't call define_location_structures.
2406 * tree-pretty-print.c (dump_implicit_edges): Remove old location
2409 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2412 * builtins.def (BUILT_IN_STDARG_START): Remove.
2413 * builtins.c (expand_builtin): Remove BUILT_IN_STDARG_START.
2414 * tree-stdarg.c (execute_optimize_stdarg): Likewise.
2415 * tree-inline.c (inline_forbidden_p_1): Likewise.
2417 2008-02-26 Richard Guenther <rguenther@suse.de>
2419 * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
2420 * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
2421 (lookup_decl_from_uid): Declare.
2422 (remove_decl_from_map): Likewise.
2423 * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
2424 * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
2425 (decl_for_uid_map): New global hashtable mapping DECL_UID
2427 (init_ttree): Allocate it.
2428 (insert_decl_to_uid_decl_map): New helper function.
2429 (make_node_stat): Insert new decls into the map.
2430 (copy_node_stat): Likewise.
2431 (lookup_decl_from_uid): New function.
2432 (remove_decl_from_map): Likewise.
2433 (print_decl_for_uid_map_statistics): New helper.
2434 (dump_tree_statistics): Call it.
2436 * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
2437 (referenced_var_iterator): Adjust.
2438 (FOR_EACH_REFERENCED_VAR): Adjust.
2439 (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
2440 (num_referenced_vars): Adjust.
2441 * tree-flow-inline.h (gimple_referenced_vars): Adjust.
2442 (first_referenced_var): Remove.
2443 (end_referenced_vars_p): Likewise.
2444 (next_referenced_var): Likewise.
2445 (referenced_var_iterator_set): New helper function.
2446 * tree-dfa.c (referenced_var_lookup): Adjust.
2447 (referenced_var_check_and_insert): Likewise.
2448 (remove_referenced_var): Likewise.
2449 * tree-ssa.c (verify_flow_insensitive_alias_info): Use
2450 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2451 (verify_call_clobbering): Likewise.
2452 (verify_memory_partitions): Likewise.
2453 (init_tree_ssa): Allocate bitmap instead of hashtable for
2455 (delete_tree_ssa): Adjust.
2456 * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
2457 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2458 (compute_tag_properties): Likewise.
2459 (set_initial_properties): Likewise.
2460 (find_partition_for): Likewise.
2461 (update_reference_counts): Likewise.
2462 (dump_may_aliases_for): Likewise.
2463 * tree-ssa-operands.c (add_virtual_operand): Likewise.
2464 (add_call_clobber_ops): Likewise.
2465 (add_call_read_ops): Likewise.
2466 (get_asm_expr_operands): Likewise.
2467 * tree-into-ssa.c (dump_decl_set): Likewise.
2468 (update_ssa): Likewise.
2469 * tree-sra.c (scan_function): Likewise.
2470 (decide_instantiations): Likewise.
2471 (scalarize_parms): Likewise.
2472 * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
2473 (dsa_named_for): Likewise.
2474 * tree-ssa-structalias.c (update_alias_info): Likewise.
2475 (merge_smts_into): Likewise.
2477 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2480 * doc/invoke.texi (-Wall): Add -Wvolatile-register-var.
2481 * c-opts.c (c_common_handle_option): Wall enables
2482 Wvolatile-register-var.
2483 * common.opt: Move Wvolatile-register-var to...
2486 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2488 * common.opt (Wlarger-than=): New.
2489 * doc/invoke.texi (Warning Options): Replace -Wlarger-than- with
2491 * opts.c (common_handle_option): Handle -Wlarger-than=.
2492 * optc-gen.awk: Likewise.
2493 * opth-gen.awk: Likewise.
2494 * stor-layout.c (layout_decl): Use -Wlarger-than= for warning.
2495 * tree-optimize.c (tree_rest_of_compilation): Likewise.
2497 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2499 * c-common.c (match_case_to_enum_1): Add appropriate
2500 OPT_W* parameter to warning.
2501 (c_do_switch_warnings): Likewise.
2502 * c-typeck.c (warning_init): Add one more parameter following
2504 (push_init_level): Update call to warning_init.
2505 (pop_init_level): Likewise.
2506 (add_pending_init): Likewise.
2507 (output_init_element: Likewise.
2509 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2512 * toplev.c (toplev_main): If there are warnings or error, print
2513 errors for ignored options.
2514 * opts.c (ignored_options): New static variable.
2515 (postpone_unknown_option_error): New.
2516 (print_ignored_options): New.
2517 (handle_option): Postpone errors for unknown -Wno-* options.
2518 * opts.h (print_ignored_options): Declare.
2520 2008-02-25 Richard Sandiford <rsandifo@nildram.co.uk>
2522 * config/mips/mips.md (loadgp_blockage, blockage): Change type
2525 2008-02-25 Richard Guenther <rguenther@suse.de>
2528 2008-02-25 Richard Guenther <rguenther@suse.de>
2530 * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
2531 * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
2532 (lookup_decl_from_uid): Declare.
2533 * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
2534 * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
2535 (decl_for_uid_map): New global hashtable mapping DECL_UID
2537 (init_ttree): Allocate it.
2538 (insert_decl_to_uid_decl_map): New helper function.
2539 (make_node_stat): Insert new decls into the map.
2540 (copy_node_stat): Likewise.
2541 (lookup_decl_from_uid): New function.
2542 (print_decl_for_uid_map_statistics): New helper.
2543 (dump_tree_statistics): Call it.
2545 * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
2546 (referenced_var_iterator): Adjust.
2547 (FOR_EACH_REFERENCED_VAR): Adjust.
2548 (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
2549 (num_referenced_vars): Adjust.
2550 * tree-flow-inline.h (gimple_referenced_vars): Adjust.
2551 (first_referenced_var): Remove.
2552 (end_referenced_vars_p): Likewise.
2553 (next_referenced_var): Likewise.
2554 (referenced_var_iterator_set): New helper function.
2555 * tree-dfa.c (referenced_var_lookup): Adjust.
2556 (referenced_var_check_and_insert): Likewise.
2557 (remove_referenced_var): Likewise.
2558 * tree-ssa.c (verify_flow_insensitive_alias_info): Use
2559 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2560 (verify_call_clobbering): Likewise.
2561 (verify_memory_partitions): Likewise.
2562 (init_tree_ssa): Allocate bitmap instead of hashtable for
2564 (delete_tree_ssa): Adjust.
2565 * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
2566 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2567 (compute_tag_properties): Likewise.
2568 (set_initial_properties): Likewise.
2569 (find_partition_for): Likewise.
2570 (update_reference_counts): Likewise.
2571 (dump_may_aliases_for): Likewise.
2572 * tree-ssa-operands.c (add_virtual_operand): Likewise.
2573 (add_call_clobber_ops): Likewise.
2574 (add_call_read_ops): Likewise.
2575 (get_asm_expr_operands): Likewise.
2576 * tree-into-ssa.c (dump_decl_set): Likewise.
2577 (update_ssa): Likewise.
2578 * tree-sra.c (scan_function): Likewise.
2579 (decide_instantiations): Likewise.
2580 (scalarize_parms): Likewise.
2581 * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
2582 (dsa_named_for): Likewise.
2583 * tree-ssa-structalias.c (update_alias_info): Likewise.
2584 (merge_smts_into): Likewise.
2586 2008-02-25 Janne Blomqvist <jb@gcc.gnu.org>
2589 * doc/invoke.texi (-fcx-limited-range): Document new option.
2590 * toplev.c (process_options): Handle -fcx-fortran-rules.
2591 * common.opt: Add documentation for -fcx-fortran-rules.
2593 2008-02-25 Janne Blomqvist <jb@gcc.gnu.org>
2596 * doc/invoke.texi (-fcx-limited-range): Correct to be in line with
2597 actual behaviour and C99.
2599 2008-02-26 Ben Elliston <bje@au.ibm.com>
2601 * config/rs6000/rs6000.h (ASM_CPU_POWER5_SPEC): Define.
2602 (ASM_CPU_POWER6_SPEC): Likewise.
2603 (ASM_CPU_SPEC): Pass %(asm_cpu_power5) for -mcpu=power5.
2604 Likewise, pass %(asm_cpu_power6) for -mcpu=power6.
2605 (EXTRA_SPECS): Add asm_cpu_power5, asm_cpu_power6 spec strings.
2607 2008-02-25 Richard Guenther <rguenther@suse.de>
2609 * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
2610 * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
2611 (lookup_decl_from_uid): Declare.
2612 * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
2613 * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
2614 (decl_for_uid_map): New global hashtable mapping DECL_UID
2616 (init_ttree): Allocate it.
2617 (insert_decl_to_uid_decl_map): New helper function.
2618 (make_node_stat): Insert new decls into the map.
2619 (copy_node_stat): Likewise.
2620 (lookup_decl_from_uid): New function.
2621 (print_decl_for_uid_map_statistics): New helper.
2622 (dump_tree_statistics): Call it.
2624 * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
2625 (referenced_var_iterator): Adjust.
2626 (FOR_EACH_REFERENCED_VAR): Adjust.
2627 (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
2628 (num_referenced_vars): Adjust.
2629 * tree-flow-inline.h (gimple_referenced_vars): Adjust.
2630 (first_referenced_var): Remove.
2631 (end_referenced_vars_p): Likewise.
2632 (next_referenced_var): Likewise.
2633 (referenced_var_iterator_set): New helper function.
2634 * tree-dfa.c (referenced_var_lookup): Adjust.
2635 (referenced_var_check_and_insert): Likewise.
2636 (remove_referenced_var): Likewise.
2637 * tree-ssa.c (verify_flow_insensitive_alias_info): Use
2638 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2639 (verify_call_clobbering): Likewise.
2640 (verify_memory_partitions): Likewise.
2641 (init_tree_ssa): Allocate bitmap instead of hashtable for
2643 (delete_tree_ssa): Adjust.
2644 * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
2645 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2646 (compute_tag_properties): Likewise.
2647 (set_initial_properties): Likewise.
2648 (find_partition_for): Likewise.
2649 (update_reference_counts): Likewise.
2650 (dump_may_aliases_for): Likewise.
2651 * tree-ssa-operands.c (add_virtual_operand): Likewise.
2652 (add_call_clobber_ops): Likewise.
2653 (add_call_read_ops): Likewise.
2654 (get_asm_expr_operands): Likewise.
2655 * tree-into-ssa.c (dump_decl_set): Likewise.
2656 (update_ssa): Likewise.
2657 * tree-sra.c (scan_function): Likewise.
2658 (decide_instantiations): Likewise.
2659 (scalarize_parms): Likewise.
2660 * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
2661 (dsa_named_for): Likewise.
2662 * tree-ssa-structalias.c (update_alias_info): Likewise.
2663 (merge_smts_into): Likewise.
2665 2008-02-25 Andreas Krebbel <krebbel1@de.ibm.com>
2668 * cse.c (cse_insn): Avoid creation of overlapping MEMs.
2669 * alias.c (nonoverlapping_memrefs_p): Export for use in other modules.
2670 * alias.h (nonoverlapping_memrefs_p): Likewise.
2672 2008-02-25 Jan Beulich <jbeulich@novell.com>
2674 * Makefile.in: Also prefix uses of crt0.o and mcrt0.o with $(T).
2675 * config/i386/netware-libgcc.exp: Add __bswap?i2,
2676 __emultls_get_address, __emultls_register_common,
2677 __floatundi?f, and _Unwind_GetIPInfo.
2678 * config/i386/netware.c (gen_stdcall_or_fastcall_decoration):
2679 Sync with config/i386/winnt.c:gen_stdcall_or_fastcall_suffix().
2680 (gen_regparm_prefix): Likewise.
2681 (i386_nlm_encode_section_info): Sync with
2682 config/i386/winnt.c:i386_pe_encode_section_info().
2683 (i386_nlm_maybe_mangle_decl_assembler_name): New.
2684 i386_nlm_mangle_decl_assembler_name): New.
2685 (netware_override_options): New.
2686 * config/i386/netware.h (netware_override_options): Declare.
2687 (OVERRIDE_OPTIONS): Re-define to netware_override_options.
2688 (i386_nlm_mangle_decl_assembler_name): Declare.
2689 (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Define.
2691 2008-02-25 Ben Elliston <bje@au.ibm.com>
2694 * c-decl.c (grokdeclarator): Remove unused local variables
2695 `typedef_type' and `type_as_written'.
2697 (find_rarely_executed_basic_blocks_and_crossing_edges): Remove
2698 unused local variable `has_hot_blocks'.
2699 (fix_crossing_conditional_branches): Remove unused local variable
2702 2008-02-25 Uros Bizjak <ubizjak@gmail.com>
2705 * builtins.def (BUILT_IN_NAN): Define as c99 builtin
2706 using DEF_C99_BUILTIN.
2707 (BUILT_IN_NANF): Ditto.
2708 (BUILT_IN_NANL): Ditto.
2710 2008-02-25 Ayal Zaks <zaks@il.ibm.com>
2711 Revital Eres <eres@il.ibm.com>
2713 * modulo-sched.c (calculate_must_precede_follow): Address TODO
2714 regarding the order of two dependent insns in the same row.
2716 2008-02-25 Eric Botcazou <ebotcazou@adacore.com>
2718 * stor-layout.c (layout_decl): Do not bump the alignment of a
2719 bit-field to more than byte alignment if it is packed.
2721 2008-02-24 David Edelsohn <edelsohn@gnu.org>
2723 * config/rs6000/rs6000.c (processor_costs): Add cache costs for
2726 2008-02-24 Diego Novillo <dnovillo@google.com>
2728 http://gcc.gnu.org/ml/gcc-patches/2008-02/msg01094.html
2731 * tree-vrp.c (vrp_evaluate_conditional): With
2732 -Wtype-limits, emit a warning when comparing against a
2733 constant outside the natural range of OP0's type.
2734 * c.opt (Wtype-limits): Move ...
2735 * common.opt (Wtype-limits): ... here.
2737 2008-02-24 Edmar Wienskoski <edmar@freescale.com>
2739 * config.gcc (powerpc*-*-*): Add new cores e300c2 and e300c3.
2740 * config/rs6000/e300c2c3.md: New file.
2741 * config/rs6000/rs6000.c (processor_costs): Add new costs for
2743 (rs6000_override_options): Add e300c2 and e300c3 cases to
2744 processor_target_table. Do not allow usage of Altivec or Spe
2745 with e300 cores. Initialize rs6000_cost for e300c2 and e300c3.
2746 (rs6000_issue_rate): Set issue rate for e300c2 and e300c3.
2747 * config/rs6000/rs6000.h (processor_type): Add
2748 PROCESSOR_PPCE300C2 and PROCESSOR_PPCE300C3.
2749 (ASM_CPU_SPEC): Add e300c2 and e300c3.
2750 * config/rs6000/rs6000.md (define_attr "cpu"): Add ppce300c2
2751 and ppce300c3. Include e300c2c3.md.
2753 2008-02-23 David Edelsohn <edelsohn@gnu.org>
2755 * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Use STRICT_ALIGNMENT
2756 instead of TARGET_STRICT_ALIGN.
2758 2008-02-23 Joseph Myers <joseph@codesourcery.com>
2760 * explow.c (memory_address): Assert that the generated address is
2763 2008-02-23 Francois-Xavier Coudert <coudert@clipper.ens.fr>
2766 * config/darwin-protos.h: Add darwin_patch_builtins prototype.
2767 * config/darwin-ppc-ldouble-patch.def: New file.
2768 * config/rs6000/darwin.h (SUBTARGET_INIT_BUILTINS): New macro.
2769 * config/rs6000/rs6000.c (rs6000_init_builtins): Call
2770 SUBTARGET_INIT_BUILTINS if defined.
2771 * config/darwin.c (darwin_patch_builtin, darwin_patch_builtins):
2774 2008-02-23 Andrew Pinski <andrew_pinski@playstation.sony.com>
2777 * simplify-rtx.c (simplify_binary_operation_1): Add simplification
2778 of (and X (ior (not X) Y) and (and (ior (not X) Y) X).
2780 2008-02-23 Andrew Pinski <andrew_pinski@playstation.sony.com>
2783 * c-pch.c (c_common_valid_pch): Make the "too short to be a PCH
2784 file" warning condtional on -Winvalid-PCH.
2786 2008-02-23 Daniel Jacobowitz <dan@codesourcery.com>
2788 * expmed.c (extract_bit_field): Always use adjust_address for MEM.
2790 2008-02-23 Uros Bizjak <ubizjak@gmail.com>
2794 * config/i386/mmx.md (*mov<mode>_internal_rex64): Use "!y" to
2795 prevent reload from using MMX registers.
2796 (*mov<mode>_internal): Ditto.
2797 (*movv2sf_internal_rex64): Ditto.
2798 (*movv2sf_internal): Ditto.
2800 2008-02-23 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2802 PR documentation/31569
2803 * doc/install.texi2html: Use makeinfo --no-number-sections.
2805 2008-02-22 Nathan Froyd <froydnj@codesourcery.com>
2807 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check to
2808 ensure that we can address an entire entity > 8 bytes. Don't
2809 generate reg+reg addressing for such data.
2811 2008-02-22 Nathan Froyd <froydnj@codesourcery.com>
2813 * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Don't overalign
2814 strings when optimizing for size, unless the target cares about
2817 2008-02-22 Tom Tromey <tromey@redhat.com>
2819 * regclass.c (current_pass): Remove declaration.
2821 2008-02-22 Anatoly Sokolov <aesok@post.ru>
2823 * config/avr/libgcc.S (__RAMPZ__): Define.
2824 (__do_copy_data): Add for devices with 128KB code memory.
2826 2008-02-22 Nathan Froyd <froydnj@codesourcery.com>
2828 * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
2830 * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Likewise.
2832 2008-02-22 Hans-Peter Nilsson <hp@axis.com>
2834 * config/cris/cris.h (REG_CLASS_FROM_LETTER): Recognize 'b' for
2837 2008-02-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2840 * c-typeck.c (build_binary_op): Warn about floating point
2841 comparisons if FLOAT_TYPE_P, not only for REAL_TYPE.
2843 2008-02-21 Janis Johnson <janis187@us.ibm.com>
2846 * config/rs6000/rs6000.c (rs6000_altivec_abi): Clarify comment.
2847 (rs6000_explicit_options): Split abi into spe_abi and altivec_abi,
2849 (rs6000_override_options): Set altivec_abi as default, not override,
2850 for 64-bit GNU/Linux; for 32-bit GNU/Linux default to altivec_abi for
2851 TARGET_ALTIVEC; default to TARGET_ALTIVEC_VRSAVE when AltiVec ABI
2852 is used; use new member spe_abi.
2853 (rs6000_handle_option): Set rs6000_explicit_options.vrsave; use
2854 spe_abi and altivec_abi.
2856 2008-02-22 Tomas Bily <tbily@suse.cz>
2858 * tree-vectorizer.c (vect_is_simple_reduction): Fix comment typo.
2860 2008-02-21 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2863 * config.build (build_file_translate): Set to `CMD //c' only if
2865 * Makefile.in (build_file_translate): Improve comment.
2867 2008-02-21 Jan Hubicka <jh@suse.cz>
2869 * predict.def (PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL,
2870 PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL, PRED_CALL,
2871 PRED_TREE_EARLY_RETURN, PRED_NULL_RETURN): Update.
2873 2008-02-21 Michael Matz <matz@suse.de>
2876 * config/i386/i386.c (ix86_expand_branch): Add missing breaks.
2878 2008-02-21 Uros Bizjak <ubizjak@gmail.com>
2880 * config/i386/i386.md (mov<mode>cc): Macroize expander from movsfcc,
2881 movdfcc and movxfcc using X87MODEF mode iterator and SSE_FLOAT_MODE_P
2883 * config/i386/sse.md (<sse>_movup<ssemodesuffixf2c>): Macroize insn
2884 from sse_movups adn sse2_movupd using SSEMODEF2P mode iterator and
2885 SSE_VEC_FLOAT_MODE_P as insn constraint.
2886 (<sse>_movmskp<ssemodesuffixf2c>): Ditto from similar patterns.
2887 (sse4a_movnt<mode>): Macroize insn from sse4a_movntsf and
2888 sse4a_movntdf using MODEF mode iterator.
2889 (sse4a_vmmovnt<mode>): Macroize insn form sse4a_vmmovntv2df and
2890 sse4a_vmmovntv4sf using SSEMODEF2P mode iterator.
2891 (sse4_1_blendp<ssemodesuffixf2c>): Ditto from similar patterns.
2892 (sse4_1_blendvp<ssemodesuffixf2c>): Ditto.
2893 (sse4_1_dpp<ssemodesuffixf2c>): Ditto.
2894 (sse4_1_roundp<ssemodesuffixf2c>): Ditto.
2895 (sse4_1_rounds<ssemodesuffixf2c>): Ditto.
2897 2008-02-21 Richard Guenther <rguenther@suse.de>
2899 * tree.def (PAREN_EXPR): New tree code.
2900 * fold-const.c (fold_unary): Remove PAREN_EXPR around constants
2902 * tree-pretty-print.c (dump_generic_node): Handle PAREN_EXPR.
2903 * expr.c (expand_expr_real_1): Likewise.
2904 * tree-inline.c (estimate_num_insns_1): Likewise.
2905 * tree-complex.c (expand_complex_move): Likewise.
2906 * tree-vectorizer.c (vect_is_simple_use): Treat PAREN_EXPR (x)
2909 2008-02-20 Kaz Kojima <kkojima@gcc.gnu.org>
2912 * config/sh/sh.c (find_barrier): Don't go past 'from' argument.
2914 2008-02-20 Kaz Kojima <kkojima@gcc.gnu.org>
2917 * config/sh/sh.md (jump_compact): Disable for crossing jumps.
2919 * config/sh/sh.c (find_barrier): Don't go past
2920 NOTE_INSN_SWITCH_TEXT_SECTIONS note.
2922 2008-02-20 DJ Delorie <dj@redhat.com>
2924 * config/h8300/h8300.md (insv): Force source operand to be a register.
2926 * config/h8300/h8300.c (h8300_expand_epilogue): Emit return insn
2927 as a jump, not as a plain insn.
2929 2008-02-20 Seongbae Park <seongbae.park@gmail.com>
2931 * doc/invoke.texi (Warning Options): Add new option
2932 -Wframe-larger-than=.
2933 (-Wframe-larger-than): Document.
2935 * flags.h (warn_frame_larger_than, frame_larger_than_size):
2936 Add declarations for new option variables.
2938 * final.c (final_start_function): Check the frame size
2939 before emission and issue a Wframe-larger-than warning.
2941 * opts.c (warn_frame_larger_than, frame_larger_than_size):
2942 Add definitions for new option variables.
2943 (common_handle_option): Handle new option OPT_Wframe_larger_than_.
2945 * common.opt (Wframe-larger-than=): New option.
2947 2008-02-20 Uros Bizjak <ubizjak@gmail.com>
2949 * config/i386/sse.md (<sse>_vmmul<mode>3): Fix typo in asm template.
2950 (<sse>_div<mode>3): Ditto.
2951 (<sse>_vmdiv<mode>3): Ditto.
2952 (<sse>_vmsqrt<mode>2): Ditto.
2953 (*smax<mode>3): Ditto.
2954 (sse5_frcz<mode>2): Ditto.
2955 (sse5_vmfrcz<mode>2): Ditto. Use TARGET_SSE5 instead of TARGET_ROUND
2958 2008-02-20 Richard Guenther <rguenther@suse.de>
2961 * builtins.c (validate_arg): If we want an INTEGER_TYPE,
2962 be happy with INTEGRAL_TYPE_P.
2964 2008-02-20 Richard Guenther <rguenther@suse.de>
2966 * fold-const.c (split_tree): Associate floatig-point expressions
2967 if flag_associative_math is set.
2969 2008-02-20 Richard Guenther <rguenther@suse.de>
2971 * tree.h (fold_real_zero_addition_p): Declare.
2972 * fold-const.c (fold_real_zero_addition_p): Export.
2973 * tree-ssa-reassoc.c (eliminate_using_constants): Also handle
2974 floating-point operations with zero and one.
2976 2008-02-20 Paolo Bonzini <bonzini@gnu.org>
2978 * doc/install.texi: Correct references to CFLAGS, replacing them
2979 with BOOT_CFLAGS. Document flags used during bootstrap for
2982 2008-02-20 Uros Bizjak <ubizjak@gmail.com>
2984 * config/i386/i386.h (SSE_VEC_FLOAT_MODE_P): New define.
2985 * config/i386/i386.md (*sse_setcc<mode>): Macroize from *sse_setccsf
2986 and *sse_setccdf using MODEF mode iterator and SSE_FLOAT_MODE_P as
2988 (smin<mode>3): Ditto from similar patterns.
2989 (smax<mode>3): Ditto.
2990 (*ieee_smin<mode>3): Ditto.
2991 (*ieee_smax<mode>3): Ditto.
2992 * config/i386/sse.md (sse): New mode attribute.
2993 (mov<mode>): Macroize expander from movv4sf and movv2df using
2994 SSEMODEF2P mode iterator.
2995 (<sse>_movnt<mode>): Ditto from similar patterns. Use
2996 SSE_VEC_FLOAT_MODE_P as insn constraint.
2997 (storent<mode>): Ditto.
2998 (storent<mode>): Macroize expander from storentsf and storentdf using
2999 MODEF mode iterator.
3000 (neg<mode>2): Macroize from negv4sf2 and negv2df2 using SSEMODEF2P
3001 mode iterator and SSE_VEC_FLOAT_MODE_P as insn constraint.
3002 (abs<mode>2): Ditto from similar patterns.
3003 (add<mode>3, *add<mode>3, <sse>_vmadd<mode>3): Ditto.
3004 (sub<mode>3, *sub<mode>3, <sse>_vmsub<mode>3): Ditto.
3005 (<sse>_div<mode>3, <sse>_vmdiv<mode>3): Ditto.
3006 (<sse>_vmsqrt<mode>2): Ditto.
3007 (smin<mode>3, *smin<mode>3_finite, *smin<mode>3)
3008 (<sse>_vmsmin<mode>3, *ieee_smin<mode>3): Ditto.
3009 (smax<mode>3, *smax<mode>3_finite, *smax<mode>3)
3010 (<sse>_vmsmax<mode>3, *ieee_smax<mode>3): Ditto.
3011 (<sse>_maskcmp<mode>3): Macroize from sse_maskcmpv4sf3,
3012 sse_maskcmpsf3, sse2_maskcmpv2df3 and sse2_maskcmpdf3 using SSEMODEF4
3013 mode iterator. Use SSE_FLOAT_MODE_P with SSE_VEC_FLOAT_MODE_P as
3015 (<sse>_comi): Macroize from sse_comi and sse2_comi using MODEF mode
3016 iterator and SSE_FLOAT_MODE_P as insn constraint.
3017 (<sse>_ucomi): Ditto from similar patterns.
3018 (<sse>_vmmaskcmp<mode>3): Macroize from sse_vmmaskcmpv4sf3 and
3019 sse2_vmmaskcmpv2df3 using SSEMODEF2P mode iterator and
3020 SSE_VEC_FLOAT_MODE_P as insn constraint.
3021 (vcond<mode>): Ditto from similar patterns.
3022 (and<mode>3, *and<mode>3): Ditto.
3023 (<sse>_nand<mode>3): Ditto.
3024 (ior<mode>3, *ior<mode>3): Ditto.
3025 (xor<mode>3, *xor<mode>3): Ditto.
3026 (*and<mode>3): Macroize from *andsf3 and *anddf3 using MODEF mode
3027 iterator and SSE_FLOAT_MODE_P as insn constraint.
3028 (*nand<mode>3): Ditto from similar patterns.
3029 (*ior<mode>3): Ditto.
3030 (*xor<mode>3): Ditto.
3032 2008-02-20 Ira Rosen <irar@il.ibm.com>
3034 * config/spu/spu.md (vec_unpacku_hi_v8hi, vec_unpacku_lo_v8hi,
3035 vec_unpacks_hi_v8hi, vec_unpacks_lo_v8hi, vec_unpacku_hi_v16qi,
3036 vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi): Implement.
3038 2008-02-19 Jan Hubicka <jh@suse.cz>
3040 * predict.c (tree_bb_level_predictions): Remove variable next
3041 mistakely introduced by previous commit.
3043 2008-02-19 Jan Hubicka <jh@suse.cz>
3045 * predict.c (predict_paths_leading_to): Rewrite.
3046 (predict_paths_for_bb): New.
3047 (tree_bb_level_predictions): Update call of predict_paths_leading_to.
3049 2008-02-19 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3052 * Makefile.in (build_file_translate): New.
3053 (gcc-vers.texi): Use it for translating $(abs_srcdir).
3054 * config.build (build_file_translate): Set to `CMD //c' on MinGW.
3055 * configure.ac (build_file_translate): Substitute it.
3056 * configure: Regenerate.
3058 2008-02-19 Jan Hubicka <jh@suse.cz>
3060 PR rtl-optimization/34408
3061 * see.c (see_def_extension_not_merged): Copy subreg so we don't have
3064 2008-02-19 Jan Hubicka <jh@suse.cz>
3067 * tree-inline.c (estimate_num_insns_1): Fix counting of cost of
3070 2008-02-19 H.J. Lu <hongjiu.lu@intel.com>
3073 * config/i386/i386-modes.def: Revert the last DI alignment
3074 change until Ada people can look into it.
3076 2008-02-19 Nick Clifton <nickc@redhat.com>
3078 * opts.c (print_specific_help): Fix typo in --help text.
3080 2008-02-19 Jakub Jelinek <jakub@redhat.com>
3083 * config/i386/cpuid.h (__cpuid, __get_cpuid_max): Use special
3084 32-bit inline asm without asm alternatives for host GCC < 3.0.
3086 2008-02-19 Richard Guenther <rguenther@suse.de>
3088 PR tree-optimization/34989
3089 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Re-structure.
3090 Allow propagation to INDIRECT_REF if we can simplify only.
3092 2008-02-19 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3094 * c-common.c (warn_for_collisions_1): Use appropriate option when
3097 2008-02-19 Nick Clifton <nickc@redhat.com>
3100 * opts.c (undocumented_msg): Leave blank unless checking is enabled.
3101 (handle_options): Fix indentation.
3102 (print_filtered_help): If no language-specific options were
3103 displayed tell the user how to list all the options supported by
3104 the language's front-end.
3105 (print_specific_help): Fix indentation and remove duplicate line.
3106 (common_handle_option): Handle the -v option.
3107 For --help enable the display of undocumented options if the -v
3108 switch has been included on the command line.
3109 For --help= check for overlaps in the arguments between the option
3110 classes and the language names and issue a warning when they
3111 cannot be disambiguated.
3112 * c.opt (v): Pass on to the common option handler.
3114 2008-02-19 Revital Eres <eres@il.ibm.com>
3116 * modulo-sched.c (sms_schedule): Change dump message when
3117 create_ddg function fails.
3118 (try_scheduling_node_in_cycle): Rename row to cycle.
3119 (print_partial_schedule): Rename CYCLE to ROW.
3121 2008-02-19 Christian Bruel <christian.bruel@st.com>
3122 Zdenek Dvorak <ook@ucw.cz>
3124 * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check step alignment.
3126 2008-02-19 Uros Bizjak <ubizjak@gmail.com>
3129 * config/i386/i386.md (*x86_movsicc_0_m1_se): New insn pattern.
3130 (*x86_movdicc_0_m1_se): Ditto.
3132 2008-02-19 Uros Bizjak <ubizjak@gmail.com>
3134 * config/i386/sfp-machine.h (__gcc_CMPtype): New typedef.
3135 (CMPtype): Define as __gcc_CMPtype.
3136 * config/rs6000/sfp-machine.h (__gcc_CMPtype): New typedef.
3137 (CMPtype): Define as __gcc_CMPtype.
3139 2008-02-19 Hans-Peter Nilsson <hp@axis.com>
3141 Support valgrind 3.3 for --enable-checking=valgrind.
3142 * system.h: Consolidate ENABLE_VALGRIND_CHECKING-dependent defines
3144 [!VALGRIND_MAKE_MEM_NOACCESS]: Define as VALGRIND_MAKE_NOACCESS.
3145 [!VALGRIND_MAKE_MEM_DEFINED]: Define as VALGRIND_MAKE_READABLE.
3146 [!VALGRIND_MAKE_MEM_UNDEFINED]: Define as VALGRIND_MAKE_WRITABLE.
3147 * ggc-common.c: Remove ENABLE_VALGRIND_CHECKING-dependent defines.
3148 Replace use of VALGRIND_MAKE_READABLE, VALGRIND_MAKE_WRITABLE, and
3149 VALGRIND_MAKE_NOACCESS with VALGRIND_MAKE_MEM_DEFINED,
3150 VALGRIND_MAKE_MEM_UNDEFINED, and VALGRIND_MAKE_MEM_NOACCESS
3152 * ggc-zone.c: Similar.
3153 * ggc-page.c: Similar.
3155 2008-02-19 Paul Brook <paul@codesourcery.com>
3158 * config/arm/ieee754-df.S: Fix do_it typo.
3159 * config/arm/ieee754-sf.S: Fix do_it typo.
3161 2008-02-18 H.J. Lu <hongjiu.lu@intel.com>
3164 * config/i386/i386.c (OPTION_MASK_ISA_MMX_SET): New.
3165 (OPTION_MASK_ISA_3DNOW_SET): Likewise.
3166 (OPTION_MASK_ISA_SSE_SET): Likewise.
3167 (OPTION_MASK_ISA_SSE2_SET): Likewise.
3168 (OPTION_MASK_ISA_SSE3_SET): Likewise.
3169 (OPTION_MASK_ISA_SSSE3_SET): Likewise.
3170 (OPTION_MASK_ISA_SSE4_1_SET): Likewise.
3171 (OPTION_MASK_ISA_SSE4_2_SET): Likewise.
3172 (OPTION_MASK_ISA_SSE4_SET): Likewise.
3173 (OPTION_MASK_ISA_SSE4A_SET): Likewise.
3174 (OPTION_MASK_ISA_SSE5_SET): Likewise.
3175 (OPTION_MASK_ISA_3DNOW_A_UNSET): Likewise.
3176 (OPTION_MASK_ISA_MMX_UNSET): Updated.
3177 (OPTION_MASK_ISA_3DNOW_UNSET): Updated.
3178 (OPTION_MASK_ISA_SSE_UNSET): Likewise.
3179 (OPTION_MASK_ISA_SSE3_UNSET): Likewise.
3180 (OPTION_MASK_ISA_SSSE3_UNSET): Likewise.
3181 (OPTION_MASK_ISA_SSE4_1_UNSET): Likewise.
3182 (OPTION_MASK_ISA_SSE4_2_UNSET): Likewise.
3183 (OPTION_MASK_ISA_SSE4A_UNSET): Likewise.
3184 (OPTION_MASK_ISA_SSE5_UNSET): Likewise.
3185 (OPTION_MASK_ISA_SSE4): Removed.
3186 (ix86_handle_option): Turn on bits in ix86_isa_flags and
3187 ix86_isa_flags_explicit with OPTION_MASK_ISA_XXX_SET for -mXXX.
3188 (override_options): Don't turn on implied SSE/MMX bits in
3191 2008-02-18 H.J. Lu <hongjiu.lu@intel.com>
3193 * config/i386/i386-modes.def: Use 4 byte alignment on DI for
3196 2008-02-18 Joey Ye <joey.ye@intel.com>
3199 * tree-nested.c (insert_field_into_struct): Set type alignment
3200 to field alignment if the former is less than the latter.
3202 2008-02-18 Jakub Jelinek <jakub@redhat.com>
3204 * BASE-VER: Set to 4.4.0.
3206 2008-02-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3208 * doc/c-tree.texi: Use @dots{} and @enddots{} where appropriate.
3209 * doc/cfg.texi: Likewise.
3210 * doc/extend.texi: Likewise.
3211 * doc/gty.texi: Likewise.
3212 * doc/invoke.texi: Likewise.
3213 * doc/loop.texi: Likewise.
3214 * doc/md.texi: Likewise.
3215 * doc/passes.texi: Likewise.
3216 * doc/rtl.texi: Likewise.
3217 * doc/sourcebuild.texi: Likewise.
3218 * doc/tm.texi: Likewise.
3219 * doc/tree-ssa.texi: Likewise.
3221 2008-02-17 Richard Guenther <rguenther@suse.de>
3224 * tree-complex.c (init_parameter_lattice_values): Handle parameters
3225 without default definition.
3227 2008-02-17 Richard Guenther <rguenther@suse.de>
3229 PR tree-optimization/35231
3230 * tree-vrp.c (register_edge_assert_for): Do not assume A == 0
3233 2008-02-17 Uros Bizjak <ubizjak@gmail.com>
3236 2008-02-15 Uros Bizjak <ubizjak@gmail.com>
3237 * config/i386/sfp-machine.h (CMPtype): Define as typedef using
3238 libgcc_cmp_return mode.
3240 2008-02-16 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3243 * doc/invoke.texi (-std): Clarify description of -std= and -ansi.
3245 2008-02-16 Ralf Corsepius <ralf.corsepius@rtems.org>
3247 * config/m68k/t-rtems (M68K_MLIB_CPU): Add 5208, 5307, 5407, 5475
3250 2008-02-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3252 * doc/c-tree.texi: Use `@.' where appropriate.
3253 * doc/extend.texi: Likewise.
3254 * doc/install.texi: Likewise.
3255 * doc/invoke.texi: Likewise.
3256 * doc/loop.texi: Likewise.
3257 * doc/makefile.texi: Likewise.
3258 * doc/md.texi: Likewise.
3259 * doc/passes.texi: Likewise.
3260 * doc/standards.texi: Likewise.
3261 * doc/tm.texi: Likewise.
3263 2008-02-15 Jakub Jelinek <jakub@redhat.com>
3266 * omp-low.c (expand_omp_for_generic): Don't initialize fd->v
3268 (expand_omp_for_static_nochunk): Initialize fd->v in seq_start_bb
3269 rather than in entry_bb.
3271 2008-02-15 Uros Bizjak <ubizjak@gmail.com>
3273 * config/i386/sfp-machine.h (CMPtype): Define as typedef using
3274 libgcc_cmp_return mode.
3276 2008-02-15 Jakub Jelinek <jakub@redhat.com>
3279 * tree-nested.c (convert_call_expr): Put FRAME.* vars into
3280 OMP_CLAUSE_SHARED rather than OMP_CLAUSE_FIRSTPRIVATE clause.
3282 2008-02-15 Richard Guenther <rguenther@suse.de>
3283 Zdenek Dvorak <ook@ucw.cz>
3285 PR tree-optimization/35164
3286 * tree-flow.h (stmt_references_abnormal_ssa_name): Declare.
3287 * tree-dfa.c (stmt_references_abnormal_ssa_name): New function.
3288 * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
3289 Only propagate addresses which do not have abnormal SSA_NAMEs
3292 2008-02-15 Joseph Myers <joseph@codesourcery.com>
3295 * config/m68k/m68k.h (DWARF_CIE_DATA_ALIGNMENT): Define.
3297 2008-02-15 Jan Hubicka <jh@suse.cz>
3300 * ipa.c (cgraph_remove_unreachable_nodes): Clear local.inlinable flag.
3302 2008-02-15 Uros Bizjak <ubizjak@gmail.com>
3305 * function.c (pad_to_arg_alignment): Remove test for STACK_BOUNDARY
3306 when calculating alignment_pad.
3308 2008-02-15 Uros Bizjak <ubizjak@gmail.com>
3310 * config/i386/i386.h (CLEAR_RATIO): Use MIN macro.
3311 (WIDEST_HARDWARE_FP_SIZE): Use LONG_DOUBLE_TYPE_SIZE define.
3312 * config/i386/darwin.h (PREFERRED_STACK_BOUNDARY): Use MAX macro
3313 and STACK_BOUNDARY define.
3315 2008-02-14 Danny Smith <dannysmith@users.sourceforge.net>
3317 PR preprocessor/35061
3318 * c-pragma.c (handle_pragma_pop_macro): Check that
3319 pushed_macro_table has been allocated.
3321 2008-02-14 Eric Botcazou <ebotcazou@adacore.com>
3324 * gimplify.c (force_gimple_operand_bsi): Revert 2008-02-12 change.
3325 (force_gimple_operand): Likewise.
3326 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Add new cases
3327 for TARGET_MEM_REF and CONVERT_EXPR/NON_LVALUE_EXPR/NOP_EXPR.
3328 Also recurse on the operand for regular VIEW_CONVERT_EXPRs.
3329 (find_interesting_uses_address): Check addressability and alignment
3330 of the base expression only after substituting bases of IVs into it.
3332 2008-02-14 Michael Matz <matz@suse.de>
3335 * function.c (instantiate_virtual_regs_in_insn): Reload address
3336 before falling back to reloading the whole operand.
3338 2008-02-14 Andreas Krebbel <krebbel1@de.ibm.com>
3340 * config/s390/s390.c (s390_mainpool_start): Emit the pool
3341 before the first section switch note.
3343 2008-02-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3345 * doc/bugreport.texi: Update copyright years.
3346 * doc/c-tree.texi: Likewise.
3347 * doc/cfg.texi: Likewise.
3348 * doc/cpp.texi: Likewise.
3349 * doc/cppinternals.texi: Likewise.
3350 * doc/fragments.texi: Likewise.
3351 * doc/frontends.texi: Likewise.
3352 * doc/gcc.texi: Likewise.
3353 * doc/gty.texi: Likewise.
3354 * doc/hostconfig.texi: Likewise.
3355 * doc/implement-c.texi: Likewise.
3356 * doc/libgcc.texi: Likewise.
3357 * doc/loop.texi: Likewise.
3358 * doc/makefile.texi: Likewise.
3359 * doc/options.texi: Likewise.
3360 * doc/passes.texi: Likewise.
3361 * doc/rtl.texi: Likewise.
3362 * doc/sourcebuild.texi: Likewise.
3363 * doc/standards.texi: Likewise.
3364 * doc/tree-ssa.texi: Likewise.
3365 * doc/trouble.texi: Likewise.
3367 * doc/extend.texi: Use @: or add comma where appropriate.
3368 * doc/invoke.texi: Likewise.
3369 * doc/tm.texi: Likewise.
3371 2008-02-14 Alan Modra <amodra@bigpond.net.au>
3374 * config/rs6000/rs6000.md (restore_stack_block): Force operands[1]
3377 2008-02-14 Jesper Nilsson <jesper.nilsson@axis.com>
3379 * doc/md.texi (clz, ctz): Add reference.
3380 * doc/rtl.texi (clz, ctz): Likewise.
3382 2008-02-13 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3385 * Makefile.in (gcc-vers.texi): Use abs_srcdir for the value of
3388 2008-02-13 Andreas Krebbel <krebbel1@de.ibm.com>
3390 * config/s390/s390.c (struct constant_pool): New field
3391 emit_pool_after added.
3392 (s390_mainpool_start): Set the emit_pool_after flag according
3393 to the section switch notes.
3394 (s390_mainpool_finish): Consider emit_pool_after when emitting
3395 the literal pool at the end of the function.
3396 (s390_chunkify_start): Force literal pool splits at section
3399 2008-02-13 Michael Matz <matz@suse.de>
3402 * var-tracking.c (clobber_variable_part): Correctly traverse the
3405 2008-02-13 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3408 * doc/invoke.texi (Debugging Options): Remove -fdump-tree-inlined.
3409 Add -fdump-ipa-inline.
3410 * tree-dump.c (dump_files): Remove tree-inlined dump.
3411 * tree-pass.h (tree_dump_index): Remove TDI_inlined.
3413 2008-02-12 Richard Guenther <rguenther@suse.de>
3415 PR tree-optimization/35171
3416 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Deal with
3419 2008-02-12 Richard Guenther <rguenther@suse.de>
3422 * fold-const.c (fold_widened_comparison): Use get_unwidened in
3423 value-preserving mode. Disallow final truncation.
3425 2008-02-12 Eric Botcazou <ebotcazou@adacore.com>
3428 * gimplify.c (force_gimple_operand_bsi): Move SSA renaming
3429 code from here to...
3430 (force_gimple_operand): ...here.
3432 2008-02-12 Jakub Jelinek <jakub@redhat.com>
3435 * tree-sra.c (sra_build_assignment): fold_convert SRC if copying
3436 non-compatible pointers.
3437 (generate_element_copy): If SRC and DST are RECORD_TYPEs with
3438 different FIELD_DECLs, try harder by comparing field offsets, sizes
3442 * function.c (match_asm_constraints_1): Don't replace the same input
3445 2008-02-12 Anatoly Sokolov <aesok@post.ru>
3447 * config/avr/avr.h (AVR_HAVE_RAMPZ): Define.
3448 * config/avr/avr.c (expand_prologue): Save RAMPZ register.
3449 (expand_epilogue): Restore RAMPZ register.
3450 * config/avr/avr.md (RAMPZ_ADDR): New constant.
3452 2008-02-11 Kai Tietz <kai.tietz@onevision.com>
3454 * config/i386/cygwin.asm: (__alloca): Correct calling
3455 convention and alignment.
3456 (__chkstk): Force 8 byte stack alignment.
3458 2008-02-11 Uros Bizjak <ubizjak@gmail.com>
3459 Richard Guenther <rguenther@suse.de>
3461 PR tree-optimization/33992
3462 * tree-ssa-loop-im.c (rewrite_bittest): Fixup the type of
3463 the zero we compare against.
3465 2008-02-10 Danny Smith <dannysmith@users.sourceforge.net>
3468 * gthr-win32.h (__gthread_mutex_destroy_function): New function
3469 to CloseHandle after unlocking to prevent accumulation of handle
3472 2008-02-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3475 * pa.c (legitimize_pic_address): Add REG_EQUAL note on sets with a
3476 pic_label_operand source. Similarly, add a REG_LABEL_OPERAND note
3477 and update LABEL_NUSES during and after reload.
3479 2008-02-08 Steven Bosscher <stevenb.gcc@gmail.com>
3482 * combine.c (simplify_if_then_else): Make sure the comparison is
3483 against const0_rtx when simplifying to (abs x) or (neg (abs X)).
3485 2008-02-08 Richard Sandiford <rsandifo@nildram.co.uk>
3488 * double-int.h: Don't include gmp.h for GENERATOR_FILEs.
3489 (mpz_set_double_int, mpz_get_double_int): Hide from GENERATOR_FILEs.
3490 * real.h: Don't include gmp.h or mpfr.h for GENERATOR_FILEs.
3491 (real_from_mpfr, mpfr_from_real): Hide from GENERATOR_FILEs.
3492 * tree.h (get_type_static_bounds): Likewise.
3494 2008-02-08 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3496 * doc/invoke.texi (Option Summary, C++ Dialect Options)
3497 (Objective-C and Objective-C++ Dialect Options, Warning Options):
3498 Make -Wfoo language annotations match what the compiler outputs.
3500 2008-02-08 Sa Liu <saliu@de.ibm.com>
3502 * config/spu/spu-builtins.def: Fixed wrong parameter type in spu
3503 intrinsics spu_convts, spu_convtu, spu_convtf.
3504 * testsuite/gcc.target/spu/intrinsics-3.c: New. Test error messages.
3506 2008-02-08 Hans-Peter Nilsson <hp@axis.com>
3508 * doc/extend.texi (Function Attributes) <noinline>: Mention
3509 asm ("") as method to keep calls.
3511 2008-02-07 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3514 * doc/options.texi (Options): Replace references to opts.sh with
3516 * opts-common.c: Likewise.
3517 * optc-gen.awk: Likewise.
3519 2008-02-07 Andreas Krebbel <krebbel1@de.ibm.com>
3521 * config/s390/s390.h (FUNCTION_ARG_REGNO_P): Fix fprs for 64 bit.
3523 2008-02-07 Richard Henderson <rth@redhat.com>
3526 * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use an
3527 EXPR_LIST for the REG_EQUAL instead of a comparison with a
3530 2008-02-07 Uros Bizjak <ubizjak@gmail.com>
3532 PR tree-optimization/35085
3533 * tree-ssa-reassoc.c (rewrite_expr_tree): Enable destructive update
3534 for operand entry oe2 in addition to operand entry oe3 in order to
3535 expose more opportunities for vectorizer sum reduction.
3537 2008-02-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3540 * Makefile.in (LIBS): Remove $(GMPLIBS).
3541 (cc1-dummy, cc1): Add $(GMPLIBS).
3543 2008-02-06 Jan Hubicka <jh@suse.cz>
3546 * i386.md (moddf_integer): Do not produce partial memory stalls for
3547 targets where it hurts.
3549 2008-02-06 Uros Bizjak <ubizjak@gmail.com>
3552 * optabs.c (expand_float): Do not check for decimal modes when
3553 expanding unsigned integer through signed conversion.
3555 2008-02-06 Nick Clifton <nickc@redhat.com>
3557 * config/stormy16/stormy16.md (eqbranchsi): Replace a match_dup
3558 inside the clobber with a match_operand and duplicated operand
3559 number in the constraint.
3560 (ineqbranchsi): Delete redundant comment.
3562 2008-02-06 Ralf Corsepius <ralf.corsepius@rtems.org>
3564 * config/arm/rtems-elf.h (TARGET_OS_CPP_BUILTINS): Add
3565 builtin_define ("__USE_INIT_FINI__").
3566 * config/h8300/t-rtems (MULTILIB_OPTION,MULTILIB_DIRNAMES): Add
3568 * gthr-rtems.h: Remove __GTHREAD_MUTEX_INIT.
3570 2008-02-06 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3572 PR documentation/30330
3573 * doc/invoke.texi (C++ Dialect Options)
3574 (Objective-C and Objective-C++ Dialect Options, Warning Options):
3575 For each warning option -Wfoo that allows -Wno-foo, ensure both
3576 -Wfoo and -Wno-foo are listed in the option index. Fix index
3577 entry of -Wswitch-default, index -Wnormalized= including the
3578 `=', and -Wlarger-than-@var{len} including @var{len}.
3580 2008-02-05 Uros Bizjak <ubizjak@gmail.com>
3582 * config/i386/i386.md (floatunssisf2): Use
3583 ix86_expand_convert_uns_sisf_sse also for TARGET_SSE.
3584 (floatunssi<mode>2): Rename from floatunssisf2 and floatunssidf2.
3585 Macroize expander using MODEF mode iterator.
3587 2008-02-05 Diego Novillo <dnovillo@google.com>
3589 http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00140.html
3592 * tree-vrp.c (vrp_evaluate_conditional): Revert fix for PR 33738.
3594 2008-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3597 * toplev.c (print_version): Honor `indent' for GMP/MPFR warnings.
3599 2008-02-05 H.J. Lu <hongjiu.lu@intel.com>
3602 * config/i386/i386.c (ix86_function_sseregparm): Add an arg
3603 to indicate if a message should be generated.
3604 (init_cumulative_args): Updated.
3605 (function_value_32): Likewise.
3607 2008-02-05 Joseph Myers <joseph@codesourcery.com>
3609 * doc/include/texinfo.tex: Update to version 2008-02-04.16.
3611 2008-02-05 Uros Bizjak <ubizjak@gmail.com>
3614 * config/i386/i386.md (floatunsisf2): Enable for TARGET_SSE_MATH only.
3615 Call ix86_expand_convert_uns_sisf_sse for TARGET_SSE2.
3617 2008-02-04 Diego Novillo <dnovillo@google.com>
3619 http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00110.html
3622 * tree-vrp.c (vrp_evaluate_conditional): With
3623 -Wtype-limits, emit a warning when comparing against a
3624 constant outside the natural range of OP0's type.
3626 2008-02-04 Richard Guenther <rguenther@suse.de>
3629 * expr.c (count_type_elements): Give for unions instead of
3632 2008-02-04 Richard Guenther <rguenther@suse.de>
3635 * gimplify.c (gimplify_init_ctor_eval): Convert array indices
3636 to TYPE_DOMAINs base type instead of using bitsizetype here.
3638 2008-02-03 Jason Merrill <jason@redhat.com>
3640 * print-tree.c (print_node) [CONSTRUCTOR]: Print elements.
3642 2008-02-04 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3645 * doc/invoke.texi (C++ Dialect Options, Optimize Options)
3646 (HPPA Options, i386 and x86-64 Options, IA-64 Options)
3647 (RS/6000 and PowerPC Options): Fix typos and markup.
3648 * doc/passes.texi (Tree-SSA passes): Likewise.
3650 2008-02-02 Michael Matz <matz@suse.de>
3653 * postreload-gcse.c (record_last_reg_set_info_regno): Renamed
3654 from record_last_reg_set_info.
3655 (record_last_reg_set_info): Take an RTX argument, iterate over all
3656 constituent hardregs.
3657 (record_last_set_info, record_opr_changes): Change calls to
3658 new signature or to record_last_reg_set_info_regno.
3660 2008-02-02 Gerald Pfeifer <gerald@pfeifer.com>
3662 * doc/extend.texi (X86 Built-in Functions): Fix grammar.
3664 2008-02-01 Hans-Peter Nilsson <hp@axis.com>
3666 PR rtl-optimization/34773
3667 * reg-notes.def (EQUAL): Mention significance of combination of
3668 REG_EQUAL and REG_RETVAL.
3669 * fwprop.c (try_fwprop_subst): Don't add REG_EQUAL to an
3670 insn that has a REG_RETVAL.
3672 2008-02-01 Roger Sayle <roger@eyesopen.com>
3675 * configure.ac (--enable-fixed-point): Disable unless explicitly
3677 * configure: Regenerate.
3679 2008-02-01 Richard Guenther <rguenther@suse.de>
3682 * invoke.texi (-finline-limit): Remove no longer true parts
3683 of the documentation. Note that there is no default value.
3685 2008-02-01 Andrew Pinski <pinskia@gmail.com>
3686 Mark Mitchell <mark@codesourcery.com>
3687 Ben Elliston <bje@au.ibm.com>
3690 * doc/extend.texi (Other Builtins): Document.
3692 2008-01-31 Tom Browder <tom.browder@gmail.com>
3694 * doc/c-tree.texi (Types): Fix grammar.
3695 (Expression trees): Ditto.
3696 * doc/passes.texi (Tree-SSA passes): Ditto.
3698 * doc/configterms.texi (Configure Terms): Fix typo.
3699 * doc/cpp.texi (Common Predefined Macros): Ditto.
3700 * doc/md.texi (Machine Constraints): Ditto.
3702 * doc/makefile.texi (Makefile): Add comma.
3704 2008-01-31 Tom Browder <tom.browder@gmail.com>
3705 Gerald Pfeifer <gerald@pfeifer.com>
3707 * doc/sourcebuild.texi (Front End): Remove references to CVS
3708 and CVSROOT/modules.
3709 (Texinfo Manuals): Replace reference to CVS by one to SVN.
3710 (Back End): Remove reference to CVS.
3712 2008-01-31 Richard Sandiford <rsandifo@nildram.co.uk>
3715 * config/mips/mips.c (gen_load_const_gp): New function, taking a
3717 (mips16_gp_pseudo_reg): ...here.
3718 * config/mips/mips.md (load_const_gp): Replace with...
3719 (load_const_gp_<mode>): ...this :P-based insn.
3721 2008-01-31 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3723 * doc/invoke.texi (-ansi): Mention explicitly corresponding -std=
3724 options. Minor fixes.
3725 (-std): Move reference to standards closer to where language
3726 standards are first mentioned.
3728 2008-01-31 Richard Sandiford <rsandifo@nildram.co.uk>
3730 PR rtl-optimization/34995
3731 * reload.c (alternative_allows_const_pool_ref): Take an rtx
3732 parameter and return a bool. If the rtx parameter is nonnull,
3733 check that it satisfies an EXTRA_MEMORY_CONSTRAINT.
3734 (find_reloads): Update call accordingly. Pass the new operand
3735 if it needed no address reloads, otherwise pass null.
3737 2008-01-30 Richard Henderson <rth@redhat.com>
3740 * tree.c (build_type_attribute_qual_variant): Skip TYPE_DOMAIN
3741 for unbounded arrays.
3743 2008-01-30 Silvius Rus <rus@google.com>
3745 * config/i386/xmmintrin.h (_mm_prefetch): Add const to first arg.
3747 2008-01-30 Jan Hubicka <jh@suse.cz>
3750 * i386.c (init_cumulative_args): Use real function declaration when
3753 2008-01-30 Richard Sandiford <rsandifo@nildram.co.uk>
3755 PR rtl-optimization/34998
3756 * global.c (build_insn_chain): Treat non-subreg_lowpart
3757 SUBREGs of pseudos as clobbering all the words covered by the
3758 SUBREG, not just all the bytes.
3759 * ra-conflict.c (clear_reg_in_live): Likewise. Take the
3760 original df_ref rather than an extract parameter.
3761 (global_conflicts): Update call accordingly.
3763 2008-01-30 Andreas Krebbel <krebbel1@de.ibm.com>
3765 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): Rearrange
3766 the overflow check to make it easier to read.
3767 (__fixtfdi): Change the type of the ll member in union
3768 long_double to UDItype_x.
3770 2008-01-30 Jakub Jelinek <jakub@redhat.com>
3773 * cgraph.h (cgraph_update_edges_for_call_stmt): New prototype.
3774 * cgraph.c (cgraph_update_edges_for_call_stmt): New function.
3775 * tree-inline.c (fold_marked_statements): Call
3776 cgraph_update_edges_for_call_stmt if folding a call statement.
3777 * cgraphunit.c (verify_cgraph_node): Set cfun to this_cfun for
3778 debug_generic_stmt calls, reset it back afterwards.
3781 * c-decl.c (start_decl): Don't pedwarn about TREE_READONLY
3783 * c-typeck.c (build_external_ref): Don't pedwarn about
3784 static vars in current function's scope.
3786 2008-01-29 Joseph Myers <joseph@codesourcery.com>
3788 * config.gcc (i[34567]86-*-nto-qnx*): Remove deprecation.
3790 2008-01-29 Bernhard Fischer <aldot@gcc.gnu.org>
3793 * ipa-struct-reorg.c: Fix spelling.
3794 * params.def: Ditto.
3796 2008-01-29 Richard Guenther <rguenther@suse.de>
3799 * tree-inline.h (struct copy_body_data): Add remapping_type_depth
3801 * tree-inline.c (remap_type): Increment remapping_type_depth
3802 around remapping types.
3803 (copy_body_r): Only add referenced variables if they are referenced
3804 from code, not types.
3806 2008-01-29 Douglas Gregor <doug.gregor@gmail.com>
3817 * c-pretty-print.c (pp_c_type_qualifier_list): Don't try to print
3818 qualifiers for an ERROR_MARK_NODE or a NULL_TREE.
3820 2008-01-28 Andy Hutchinson <hutchinsonandy@netscape.net>
3823 * config/avr/avr.c (expand_prologue): Use correct QI mode frame
3824 pointer for tiny stack.
3826 2008-01-28 Bernhard Fischer <aldot@gcc.gnu.org>
3828 * doc/tree-ssa.texi: Add cindex PHI nodes and improve wording.
3830 2008-01-28 Bernhard Fischer <aldot@gcc.gnu.org>
3832 * config/vx-common.h: Fix typo in comment.
3834 2008-01-28 Ian Lance Taylor <iant@google.com>
3838 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
3839 coalesce pointers if they have different DECL_NO_TBAA_P values.
3840 * tree-ssa-copy.c (may_propagate_copy): Don't propagate copies
3841 between variables with different DECL_NO_TBAA_P values.
3843 2008-01-28 Nathan Froyd <froydnj@codesourcery.com>
3846 * config/rs6000/rs6000.c (small_data_operand): Vectors and floats
3847 are not legitimate small data references on SPE targets.
3849 2008-01-28 David Daney <ddaney@avtrex.com>
3851 * doc/install.texi (mips-*-*): Recommend binutils 2.18.
3853 2008-01-28 David Daney <ddaney@avtrex.com>
3855 * doc/install.texi (--disable-libgcj-bc): Reword documentation.
3857 2008-01-27 Joseph Myers <joseph@codesourcery.com>
3859 * config.gcc (strongarm*-*, ep9312*-*, xscale*-*, parisc*-*,
3860 m680[012]0-*, *-*-beos*, *-*-kaos*, *-*-linux*aout*,
3861 *-*-linux*libc1*, *-*-solaris2.[0-6], *-*-solaris2.[0-6].*,
3862 *-*-sysv*, *-*-windiss*, alpha*-*-unicosmk*, cris-*-aout,
3863 hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
3864 i[34567]86-sequent-ptx4*, i[34567]86-*-nto-qnx*,
3865 i[34567]86-*-sco3.2v5*, i[34567]86-*-uwin*, powerpc-*-chorusos*,
3866 vax-*-bsd*, vax-*-ultrix*): Mark obsolete.
3868 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
3870 * basic-block.h (condjump_equiv_p): Fix comment.
3872 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
3874 * tree-pretty-print.c (print_generic_decl, print_generic_stmt,
3875 print_generic_stmt_indented): Fix comment.
3877 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
3879 * configure.ac (__stack_chk_fail): Add detecion for availability
3880 of SSP in uClibc by checking if __UCLIBC_HAS_SSP__ is defined.
3881 * configure: Regenerate.
3883 2008-01-26 Maxim Kuvyrkov <maxim@codesourcery.com>
3886 * final.c (output_addr_const): Handle TRUNCATE.
3888 2008-01-26 Zdenek Dvorak <ook@ucw.cz>
3891 * tree-ssa-loop-ivopts.c (comp_cost): New type.
3892 (zero_cost, infinite_cost): New constants.
3893 (struct cost_pair): Change type of cost to comp_cost.
3894 (struct iv_ca): Change type of cand_use_cost and cost to comp_cost.
3895 (new_cost, add_costs, sub_costs, compare_costs, infinite_cost_p):
3897 (set_use_iv_cost, force_expr_to_var_cost, force_var_cost,
3898 split_address_cost, ptr_difference_cost, difference_cost,
3899 get_computation_cost_at, get_computation_cost,
3900 determine_use_iv_cost_generic, determine_use_iv_cost_address,
3901 determine_use_iv_cost_condition, determine_use_iv_costs,
3902 cheaper_cost_pair, iv_ca_recount_cost, iv_ca_set_no_cp,
3903 iv_ca_set_cp, iv_ca_cost, iv_ca_new, iv_ca_dump, iv_ca_extend,
3904 iv_ca_narrow, iv_ca_prune, try_improve_iv_set, find_optimal_iv_set):
3905 Change type of cost to comp_cost.
3906 (determine_iv_cost): Increase cost of non-original ivs, instead
3907 of decreasing the cost of original ones.
3908 (get_address_cost): Indicate the complexity of the addressing mode
3910 (try_add_cand_for): Prefer using ivs not specific to some object.
3911 * tree-flow.h (force_expr_to_var_cost): Declaration removed.
3913 2008-01-26 Peter Bergner <bergner@vnet.ibm.com>
3914 Janis Johnson <janis187@us.ibm.com>
3917 * doc/tm.texi (TARGET_EXPAND_TO_RTL_HOOK): Document.
3918 (TARGET_INSTANTIATE_DECLS): Likewise.
3919 * target.h (expand_to_rtl_hook): New target hook.
3920 (instantiate_decls): Likewise.
3921 * function.c (instantiate_decl): Make non-static. Rename to...
3922 (instantiate_decl_rtl): ... this.
3923 (instantiate_expr): Use instantiate_decl_rtl.
3924 (instantiate_decls_1): Likewise.
3925 (instantiate_decls): Likewise.
3926 (instantiate_virtual_regs: Call new instantiate_decls taget hook.
3927 * function.h (instantiate_decl_rtl): Add prototype.
3928 * cfgexpand.c (target.h): New include.
3929 (tree_expand_cfg): Call new expand_to_rtl_hook target hook.
3930 * target-def.h (TARGET_EXPAND_TO_RTL_HOOK): New define.
3931 (TARGET_INSTANTIATE_DECLS): Likewise.
3932 (TARGET_INITIALIZER): New target hooks added.
3933 * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
3935 * config/rs6000/rs6000.c (tree-flow.h): New include.
3936 (machine_function): Add sdmode_stack_slot field.
3937 (rs6000_alloc_sdmode_stack_slot): New function.
3938 (rs6000_instantiate_decls): Likewise.
3939 (rs6000_secondary_memory_needed_rtx): Likewise.
3940 (rs6000_check_sdmode): Likewise.
3941 (TARGET_EXPAND_TO_RTL_HOOK): Target macro defined.
3942 (TARGET_INSTANTIATE_DECLS): Likewise.
3943 (rs6000_hard_regno_mode_ok): Allow SDmode.
3944 (num_insns_constant): Likewise. Handle _Decimal32 constants.
3945 (rs6000_emit_move): Handle SDmode.
3946 (function_arg_advance): Likewise.
3947 (function_arg): Likewise.
3948 (rs6000_gimplify_va_arg): Likewise. Add special handling of
3949 SDmode var args for 32-bit compiles.
3950 (rs6000_secondary_reload_class): Handle SDmode.
3951 (rs6000_output_function_epilogue): Likewise.
3952 (rs6000_function_value): Simplify if statement.
3953 (rs6000_libcall_value): Likewise.
3954 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Handle SDmode.
3955 (SECONDARY_MEMORY_NEEDED_RTX): Add define.
3956 * config/rs6000/dfp.md (movsd): New define_expand and splitter.
3957 (movsd_hardfloat): New define_insn.
3958 (movsd_softfloat): Likewise.
3959 (movsd_store): Likewise.
3960 (movsd_load): Likewise.
3961 (extendsddd2): Likewise.
3962 (extendsdtd2): Likewise.
3963 (truncddsd2): Likewise.
3964 (movdd_hardfloat64): Fixup comment.
3965 (UNSPEC_MOVSD_LOAD): New constant.
3966 (UNSPEC_MOVSD_STORE): Likewise.
3968 2008-01-26 Jakub Jelinek <jakub@redhat.com>
3971 * c-pretty-print.c (pp_c_exclusive_or_expression): Handle
3973 (pp_c_logical_and_expression): Handle TRUTH_AND_EXPR.
3974 (pp_c_logical_or_expression): Handle TRUTH_OR_EXPR.
3975 (pp_c_expression): Handle TRUTH_AND_EXPR, TRUTH_OR_EXPR
3978 2008-01-26 David Edelsohn <edelsohn@gnu.org>
3981 * config.gcc: Separate AIX 5.3 from AIX 6.1.
3982 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
3983 __LONGDOUBLE128 too.
3984 * config/rs6000/aix61.h: New file.
3986 2008-01-26 Richard Sandiford <rsandifo@nildram.co.uk>
3988 PR rtl-optimization/34959
3989 * optabs.c (expand_unop): In libcall notes, give ffs, clz, ctz,
3990 popcount and parity rtxes the same mode as their operand.
3991 Truncate or extend the result to the return value's mode
3994 2008-01-26 Richard Sandiford <rsandifo@nildram.co.uk>
3997 * config/mips/mips-protos.h (mips_expand_call): Return an rtx.
3998 * config/mips/mips.h (FIRST_PSEUDO_REGISTER): Rename FAKE_CALL_REGNO
3999 to GOT_VERSION_REGNUM.
4000 (CALL_REALLY_USED_REGISTERS): Set the GOT_VERSION_REGNUM entry to 0.
4001 (EPILOGUE_USES): Include GOT_VERSION_REGNUM if TARGET_USE_GOT.
4002 * config/mips/mips.c (mips_emit_call_insn): New function.
4003 (mips_call_tls_get_addr): Call mips_expand_call directly.
4004 (mips16_copy_fpr_return_value): Use mips_emit_call_insn rather than
4006 (mips16_build_call_stub): Likewise. Return the call insn or null.
4007 (mips_expand_call): Update the call to mips16_build_call_stub
4008 accordingly and a remove redundant condition. Assert that MIPS16
4009 stubs do not use lazy binding. Use mips_emit_call_insn and return
4011 (mips_extra_live_on_entry): Include GOT_VERSION_REGNUM if
4013 (mips_hard_regno_mode_ok_p): Allow SImode for GOT_VERSION_REGNUM.
4014 (mips_avoid_hazard): Remove hazard_set handling.
4015 * config/mips/mips.md (UNSPEC_EH_RECEIVER): Rename to...
4016 (UNSPEC_RESTORE_GP): ...this.
4017 (UNSPEC_SET_GOT_VERSION, UNSPEC_UPDATE_GOT_VERSION): New constants.
4018 (FAKE_CALL_REGNO): Rename to...
4019 (GOT_VERSION_REGNUM): ...this.
4020 (type): Add "ghost" value. Add an associated insn reservation.
4021 (hazard_set): Remove.
4022 (exception_receiver): Rename to...
4023 (restore_gp): ...this and update the unspec identifier accordingly.
4024 (exception_receiver, nonlocal_got_receiver): New expanders.
4025 (load_call<mode>): Use GOT_VERSION_REGNUM. Don't set
4026 FAKE_CALL_REGNO. Remove hazard_set attribute.
4027 (set_got_version, update_got_version): New patterns.
4029 2008-01-26 Danny Smith <dannysmith@users.sourceforge.net>
4032 * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Define.
4034 2008-01-25 Joseph Myers <joseph@codesourcery.com>
4037 * doc/install.texi2html: Generate gcc-vers.texi.
4039 2008-01-25 DJ Delorie <dj@redhat.com>
4041 * config/m32c/m32c.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
4043 2008-01-25 Joseph Myers <joseph@codesourcery.com>
4045 * config/c4x: Remove directory.
4046 * config.gcc (crx-*, mt-*): Mark obsolete.
4047 (c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*,
4048 h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*,
4049 sh-*-rtemscoff*): Remove cases.
4050 * defaults.h (C4X_FLOAT_FORMAT): Remove.
4051 * real.c (encode_c4x_single, decode_c4x_single,
4052 encode_c4x_extended, decode_c4x_extended, c4x_single_format,
4053 c4x_extended_format): Remove.
4054 * real.h (c4x_single_format, c4x_extended_format): Remove.
4055 * doc/extend.texi (interrupt, naked): Remove mention of attributes
4057 (Pragmas): Remove comment about c4x pragmas.
4058 * doc/install.texi (c4x): Remove target-specific instructions.
4059 * doc/invoke.texi (TMS320C3x/C4x Options): Remove.
4060 * doc/md.texi (Machine Constraints): Remove C4x documentation.
4061 * doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not
4062 refer to C4x source files as examples.
4063 (C4X_FLOAT_FORMAT): Remove documentation.
4065 2008-01-25 Bernd Schmidt <bernd.schmidt@analog.com>
4067 * config/bfin/bfin.c (override_options): Reorder tests so that
4068 flag_pic gets enabled for -msep-data.
4070 2008-01-25 Richard Guenther <rguenther@suse.de>
4073 * expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
4074 to its bitfield precision if required.
4076 2008-01-25 Jakub Jelinek <jakub@redhat.com>
4079 * tree-nested.c (walk_omp_for): New function.
4080 (convert_nonlocal_reference, convert_local_reference): Call
4081 walk_omp_for on OMP_FOR.
4082 (convert_call_expr): Call walk_body on OMP_FOR's
4083 OMP_FOR_PRE_INIT_BODY.
4085 2008-01-25 Richard Guenther <rguenther@suse.de>
4087 PR tree-optimization/34966
4088 * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
4089 default defs and PHI_NODEs we have to insert after the
4092 2008-01-24 Nick Clifton <nickc@redhat.com>
4094 * config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
4095 Provide a default definition.
4096 (LIBGCC2_UNITS_PER_WORD): Likewise.
4098 * config/stormy16/stormy16.c: Include df.h for the prototype
4099 for df_regs_ever_live_p.
4100 (xstormy16_expand_builtin_va_start): Convert the stack offset
4101 into a component_ref and then use POINTER_PLUS_EXPR to add it
4102 to the incoming_virtual_args_rtx.
4103 (xstormy16_gimplify_va_arg_expr): Rename to
4104 xstormy16_gimplify_va_arg_expr.
4105 Use POINTER_PLUS_EXPR when performing pointer arithmetic.
4106 (TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
4107 xstormy16_gimplify_va_arg_expr.
4108 Fix up some formatting issues.
4110 * config/stormy16/stormy16.c: (xstormy16_carry_plus_operand):
4111 Move to predicates.md.
4112 (xs_hi_general_operand): Likewise.
4113 (xs_hi_nonmemory_operand): Likewise.
4114 * config/stormy16/predicates.md:
4115 (xstormy16_carry_plus_operand): New predicate.
4116 (xs_hi_general_operand): New predicate.
4117 (xs_hi_nonmemory_operand): New predicate.
4118 * config/stormy16/stormy16-protos.h:
4119 (xstormy16_carry_plus_operand): Delete prototype.
4120 (xs_hi_general_operand): Likewise.
4121 (xs_hi_nonmemory_operand): Likewise.
4123 * config/storm16/stormy16.md (addhi3): Remove earlyclobber
4124 modifiers as they are no longer needed and they can trigger
4125 reload spill failures.
4127 * config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
4128 with a match_operand in order to help reload.
4130 * config/storm16/stormy16.md (movhi_internal): Replace 'r'
4131 constraint with 'e' for the 8th alternative as this version of
4132 the mov.w instruction only accepts the lower 8 registers.
4134 2008-01-25 Uros Bizjak <ubizjak@gmail.com>
4137 * simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
4138 Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
4141 2008-01-25 Jakub Jelinek <jakub@redhat.com>
4144 * gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.
4146 2008-01-25 Golovanevsky Olga <olga@il.ibm.com>
4148 * ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
4150 (remove_structure): Update allocations list before removing structure.
4152 2008-01-25 Golovanevsky Olga <olga@il.ibm.com>
4154 * ipa-struct-reorg.c (is_safe_cond_expr,
4155 create_new_stmts_for_cond_expr): Use integer_zerop function,
4156 that recognize not only zero-pointer, but zero-integer too.
4158 2008-01-25 Ben Elliston <bje@au.ibm.com>
4161 * fixproto: Escape "." in sed expression that strips leading "./".
4163 2008-01-24 H.J. Lu <hongjiu.lu@intel.com>
4166 * gcc.c (SWITCH_OK): Removed.
4167 (SWITCH_LIVE): Changed to bit.
4168 (SWITCH_FALSE): Likewise.
4169 (SWITCH_IGNORE): Likewise.
4170 (switchstr): Change live_cond to unsigned int.
4171 (process_command): Replace SWITCH_OK with 0.
4172 (do_self_spec): Likewise.
4173 (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
4174 (give_switch): Likewise.
4175 (used_arg): Likewise.
4176 (do_spec_1): Set the SWITCH_IGNORE bit.
4177 (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
4178 bits. Set the SWITCH_LIVE bit.
4180 2008-01-24 Andreas Krebbel <krebbel1@de.ibm.com>
4182 * config/s390/s390.h (MOVE_RATIO): Define new target macro.
4184 2008-01-24 Richard Sandiford <rsandifo@nildram.co.uk>
4186 PR tree-optimization/34472
4187 * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
4188 parameter to a "bool *" and set *DATA to false if there is
4189 an unsafe access. Do not delete the structure here.
4190 (check_cond_exprs): Delete it here instead.
4191 (check_cond_exprs, exclude_cold_structs): Do not increase
4192 I when removing a structure.
4194 2008-01-24 Uros Bizjak <ubizjak@gmail.com>
4197 * config/i386/i386.c (ix86_expand_vector_init): Consider only
4198 CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.
4200 2008-01-24 Jakub Jakub Jelinek <jakub@redhat.com>
4203 * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
4204 a fixed vector for stack.
4206 2008-01-24 Ben Elliston <bje@au.ibm.com>
4209 * doc/gcc.texi (Software development): Add a direntry for g++.
4211 2008-01-23 Hans-Peter Nilsson <hp@axis.com>
4213 * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
4214 stale and straggling -fforce-addr comments above.
4216 * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
4218 * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
4219 * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
4221 2008-01-23 Michael Matz <matz@suse.de>
4224 * dwarf2out.c (force_type_die): Use modified_type_die instead of
4227 2008-01-23 Andreas Krebbel <krebbel1@de.ibm.com>
4229 * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
4232 2008-01-23 Anatoly Sokolov <aesok@post.ru>
4234 * config/avr/avr.c (avr_current_arch): New variable.
4235 (avr_arch_types): Add 'avr31' and 'avr51' entries.
4236 (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
4237 (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
4238 (avr_override_options): Init 'avr_current_arch'.
4239 (base_arch_s): Move from here...
4240 * config/avr/avr.h (base_arch_s): ... here. Add new members
4241 'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename
4242 'mega' to 'have_jmp_call'.
4243 (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__",
4244 "__AVR_HAVE_RAMPZ__", "__AVR_HAVE_ELPM__" and "__AVR_HAVE_ELPMX__"
4246 (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51'
4248 * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
4249 MULTILIB_MATCHES): (Ditto.).
4251 2008-01-23 Richard Guenther <rguenther@suse.de>
4254 * cgraphunit.c (cgraph_reset_node): Always mark the node
4255 not reachable if it is not queued already.
4257 2008-01-23 Bernd Schmidt <bernd.schmidt@analog.com>
4259 * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
4260 * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
4261 (cputype_selected): New static variable.
4262 (bfin_handle_option): Set it if -mcpu is used.
4263 (override_option): Select default set of workarounds if no cpu type
4264 selected on the command line.
4265 (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
4267 From Michael Frysinger <michael.frysinger@analog.com>
4268 * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
4269 BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
4271 * config/bfin/elf.h (LIB_SPEC): Use proper linker script
4272 for bf547, bf523, bf524, and bf526.
4273 * config/bfin/bfin.c (bfin_cpus[]): Add bf547, bf523, bf524, and
4275 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
4276 __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
4277 __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
4278 __ADSPBF547__ and __ADSPBF54x__ for bf547.
4279 * doc/invoke.texi (Blackfin Options): Document that
4280 -mcpu now accept bf547, bf523, bf524, and bf526.
4282 2008-01-22 Eric Botcazou <ebotcazou@adacore.com>
4284 PR rtl-optimization/34628
4285 * combine.c (try_combine): Stop and undo after the first combination
4286 if an autoincrement side-effect on the first insn has effectively
4289 2008-01-22 David Edelsohn <edelsohn@gnu.org>
4292 * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
4293 Offset addresses are not valid for Altivec or paired float modes.
4295 2008-01-22 Jakub Jelinek <jakub@redhat.com>
4298 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
4299 if DECL_INITIAL (decl) is error_mark_node.
4302 * c-common.c (handle_vector_size_attribute): Only allow
4303 integral, scalar float and fixed point types. Handle OFFSET_TYPE
4304 the same way as pointer, array etc. types.
4305 * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
4308 * tree.c (build_type_attribute_qual_variant): Call
4309 build_qualified_type if attributes are equal, but quals are not.
4311 2008-01-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4314 * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
4315 * flags.h (warn_strict_aliasing): Remove.
4316 (warn_strict_overflow): Remove.
4317 * opts.c (warn_strict_aliasing): Remove.
4318 (warn_strict_overflow): Remove.
4319 * c-opts.c (c_common_handle_option): -Wall only sets
4320 -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
4321 (c_common_post_options): Give default values to -Wstrict-aliasing
4322 and -Wstrict-overflow if they are uninitialized.
4323 * common.opt (Wstrict-aliasing): Specify Var and Init.
4324 (Wstrict-overflow): Likewise.
4326 2008-01-22 Kenneth Zadeck <zadeck@naturalbridge.com>
4328 PR rtl-optimization/26854
4329 PR rtl-optimization/34400
4330 PR rtl-optimization/34884
4331 * ddg.c (create_ddg_dep_from_intra_loop_link): Use
4333 * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
4334 (df_rd_bb_info.expanded_lr_out): Deleted
4335 * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
4336 * loop_iv.c (iv_analysis_loop_init): Ditto. * df-problems.c
4337 (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
4338 df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
4339 Removed code to allocate, initialize or free expanded_lr_out.
4340 (df_rd_bb_local_compute_process_def): Restructured to make more
4342 (df_rd_confluence_n): Removed code to no apply invalidate_by_call
4343 sets if the sets are being trimmed.
4345 2008-01-22 H.J. Lu <hongjiu.lu@intel.com>
4348 * configure.ac (ld_vers): Support GNU linker version xx.xx.*
4349 (as_vers): Likewise.
4350 * configure: Regenerated.
4352 2008-01-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4355 * tree-pass.h (pass_build_alias): New pass.
4356 * tree-ssa-alias.c (gate_build_alias): New.
4357 (pass_build_alias): New.
4358 * passes.c (init_optimization_passes): Add pass_build_alias after
4359 pass_create_structure_vars.
4361 2008-01-22 Wolfgang Gellerich <gellerich@de.ibm.com>
4363 * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
4364 Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
4365 (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
4366 S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
4367 (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
4368 S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
4369 (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
4370 S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
4371 (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
4372 (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
4373 (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
4374 (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
4375 * config/s390/s390.md (FP_ALL): New mode iterator.
4376 (_d): New mode attribute.
4377 ("*signbit<mode>2>"): Changed mode of first operand.
4378 ("isinf<mode>2"): Changed mode of first operand.
4379 ("*TDC_insn"): Adaptation for DFP modes.
4381 2008-01-22 Ben Elliston <bje@au.ibm.com>
4383 * tree.c (check_qualified_type): Improve function description.
4385 2008-01-21 Jason Merrill <jason@redhat.com>
4388 * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
4389 * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
4392 2008-01-21 DJ Delorie <dj@redhat.com>
4394 * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
4397 2008-01-21 Richard Guenther <rguenther@suse.de>
4400 * tree-cfg.c (verify_expr): Allow all invariant expressions
4401 instead of just constant class ones as reference argument.
4402 * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
4403 like any other constant.
4404 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
4406 2008-01-21 H.J. Lu <hongjiu.lu@intel.com>
4408 * regmove.c (fixup_match_1): Update call crossed frequencies.
4410 2008-01-21 Richard Guenther <rguenther@suse.de>
4413 * tree-inline.c (setup_one_parameter): Deal with mismatched
4414 types using a VIEW_CONVERT_EXPR.
4416 2008-01-21 Alon Dayan <alond@il.ibm.com>
4417 Olga Golovanevsky <olga@il.ibm.com>
4419 PR tree-optimization/34701
4420 * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
4421 when the structure size is not a power of 2.
4423 2008-01-20 Kenneth Zadeck <zadeck@naturalbridge.com>
4425 * doc/install.texi: Add doc for --enable-checking=df.
4427 2008-01-20 Kaz Kojima <kkojima@gcc.gnu.org>
4429 PR rtl-optimization/34808
4430 * emit-rtl.c (try_split): Handle REG_RETVAL notes.
4432 2008-01-20 Richard Sandiford <rsandifo@nildram.co.uk>
4434 * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
4437 2008-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
4439 PR rtl-optimization/26854
4440 PR rtl-optimization/34400
4441 * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
4443 * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
4444 (df_rd_bb_info.expanded_lr_out): New.
4445 * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
4446 * loop_iv.c (iv_analysis_loop_init): Ditto.
4447 * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
4448 df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
4449 Added code to allocate, initialize or free expanded_lr_out.
4450 (df_rd_bb_local_compute_process_def): Restructured to make
4451 more understandable.
4452 (df_rd_confluence_n): Add code to do nothing with fake edges and
4453 code to no apply invalidate_by_call sets if the sets are being trimmed.
4454 (df_lr_local_finalize): Renamed to df_lr_finalize.
4455 (df_live_local_finalize): Renamed to df_live_finalize.
4457 2008-01-20 Richard Sandiford <rsandifo@nildram.co.uk>
4460 * config/mips/mips.md (div<mode>3): Use <recip_condition> when
4461 deciding whether to use reciprocal instructions.
4463 2008-01-19 Uros Bizjak <ubizjak@gmail.com>
4465 * dwarf2out.c (dwarf2out_switch_text_section): Do not call
4466 dwarf2out_note_section_used if cold_text_section is NULL.
4468 2008-01-19 Jakub Jelinek <jakub@redhat.com>
4470 PR gcov-profile/34610
4471 * tree-cfg.c (make_edges): Mark both outgoing edges from
4472 OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
4473 * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
4474 from OMP_FOR and OMP_CONTINUE outgoing edges.
4476 * tree-profile.c (tree_profiling): Return early if
4477 cfun->after_tree_profile != 0. Set cfun->after_tree_profile
4479 * omp-low.c (expand_omp_parallel): Copy after_tree_profile
4480 from cfun to child_cfun.
4481 * function.h (struct function): Add after_tree_profile bit.
4483 2008-01-19 Anatoly Sokolov <aesok@post.ru>
4485 * config/avr/avr.S (_exit): Disable interrupt.
4487 2008-01-18 Kenneth Zadeck <zadeck@naturalbridge.com>
4488 Steven Bosscher <stevenb.gcc@gmail.com>
4490 PR rtl-optimization/26854
4491 PR rtl-optimization/34400
4492 * df-problems.c (df_live_scratch): New scratch bitmap.
4493 (df_live_alloc): Allocate df_live_scratch when doing df_live.
4494 (df_live_reset): Clear the proper bitmaps.
4495 (df_live_bb_local_compute): Only process the artificial defs once
4496 since the order is not important.
4497 (df_live_init): Init the df_live sets only with the variables
4498 found live by df_lr.
4499 (df_live_transfer_function): Use the df_lr sets to prune the
4500 df_live sets as they are being computed.
4501 (df_live_free): Free df_live_scratch.
4503 2008-01-18 Ian Lance Taylor <iant@google.com>
4505 * common.opt: Add fmerge-debug-strings.
4506 * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
4507 flag_merge_debug_strings rather than flag_merge_constants.
4508 * doc/invoke.texi (Option Summary): Mention
4509 -fmerge-debug-strings.
4510 (Debugging Options): Document -fmerge-debug-strings.
4512 2008-01-18 Ian Lance Taylor <iant@google.com>
4515 * tree.h (DECL_IS_OPERATOR_NEW): Define.
4516 (struct tree_function_decl): Add new field operator_new_flag.
4517 * tree-inline.c (expand_call_inline): When inlining a call to
4518 operator new, force the return value to go into a variable, and
4519 set DECL_NO_TBAA_P on that variable.
4520 * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
4522 2008-01-18 Uros Bizjak <ubizjak@gmail.com>
4525 * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
4526 DWARF2_DEBUGGING_INFO.
4527 (dwarf2out_note_section_used): Ditto. Add prototype.
4528 (have_multiple_function_sections, text_section_used,
4529 cold_text_section_used, *cold_text_sections): Move declarations
4532 2008-01-17 Bob Wilson <bob.wilson@acm.org>
4534 * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
4535 field and add signal_ra.
4536 * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
4537 assignments to frame state pc. Move end of stack check after
4538 MD_FALLBACK_FRAME_STATE_FOR.
4539 (uw_update_context_1): Use frame state signal_regs if set, instead
4540 of checking signal_frame flag.
4541 (uw_update_context): Use frame state signal_ra if set.
4542 * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
4543 * config/xtensa/linux-unwind.h: New file.
4545 2008-01-18 Bernhard Fischer <aldot@gcc.gnu.org>
4547 * modulo-sched.c (get_sched_window): Fix comment typo.
4549 2008-01-17 Andrew MacLeod <amacleod@redhat.com>
4551 PR tree-optimization/34648
4552 * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
4554 2008-01-17 Anatoly Sokolov <aesok@post.ru>
4556 * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
4557 * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
4559 2008-01-17 Seongbae Park <seongbae.park@gmail.com>
4561 PR rtl-optimization/34400
4562 * df-core.c (df_worklist_dataflow_overeager,
4563 df_worklist_dataflow_doublequeue): New functions.
4564 (df_worklist_dataflow): Two different worklist solvers.
4565 * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
4568 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
4571 * doc/invoke.texi: Document the dependence on pthread for fopenmp
4572 and ftree-parallelize-loops.
4574 2008-01-17 Mircea Namolaru <namolaru@il.ibm.com>
4576 PR rtl-optimization/34826
4577 * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
4579 2008-01-17 Andreas Krebbel <krebbel1@de.ibm.com>
4581 * global.c (find_reg): Mark the eh regs as used if necessary.
4582 * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
4583 * ra.h (struct allocno): no_eh_reg field added. Changed
4584 no_stack_reg type to bitfield.
4586 2008-01-17 Eric Botcazou <ebotcazou@adacore.com>
4588 * tree.c (substitute_in_expr): Add missing 'break'.
4590 2008-01-17 Richard Guenther <rguenther@suse.de>
4592 PR tree-optimization/34825
4593 * tree-ssa-math-opts.c (is_division_by): Do not recognize
4594 x / x as division to handle.
4596 2008-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4598 * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
4599 "-pthread" is specified.
4600 * pa-hpux11.h (LIB_SPEC): Likewise.
4602 2008-01-16 Janis Johnson <janis187@us.ibm.com>
4603 Peter Bergner <bergner@vnet.ibm.com>
4605 PR rtl-optimization/33796
4606 * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
4608 2008-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4610 PR libgfortran/34699
4611 * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
4613 * pa-hpux10.h (LINK_SPEC): Likewise.
4614 * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
4616 2008-01-16 Richard Guenther <rguenther@suse.de>
4619 * fold-const.c (fold_convert_const_int_from_int): Do not
4620 set overflow if that occured only because of a sign extension
4621 change when converting from/to a sizetype with the same
4622 precision and signedness.
4624 2008-01-16 Uros Bizjak <ubizjak@gmail.com>
4627 * dwarf2out.c (output_call_frame_info): Move output of FDE initial
4628 location address to the correct place. Update copyright year.
4630 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
4632 * lambda-code.c (lambda_transform_legal_p): Handle the case of
4633 no dependences in the dependence_relations vector.
4635 2008-01-16 Jan Hubicka <jh@suse.cz>
4637 PR rtl-optimization/31396
4638 * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
4639 * cfg.c (dump_reg_info): Print it.
4640 * regs.h (struct reg_info_t): add freq_calls_crossed.
4641 (REG_FREQ_CALLS_CROSSED): New macro.
4642 * global.c (global_alloc): Compute freq_calls_crossed for allocno.
4643 (find_reg): Update call of CALLER_SAVE_PROFITABLE.
4644 * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
4645 regmove_optimize): Update call crossed frequencies.
4646 * local-alloc.c (struct qty): Add freq_calls_crossed.
4647 (alloc_qty): Copute freq_calls_crossed.
4648 (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
4649 (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
4650 * ra.h (struct allocno): Add freq_calls_crossed.
4652 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
4654 * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
4655 libgomp when compiling with ftree-parallelize-loops.
4656 (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
4658 2008-01-16 Richard Guenther <rguenther@suse.de>
4660 PR tree-optimization/34769
4661 * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
4662 * tree.c (int_cst_value): Instead make this function more
4663 permissive in what it accepts as valid input. Document this
4664 function always sign-extends the value.
4666 2008-01-16 Jakub Jelinek <jakub@redhat.com>
4667 Richard Guenther <rguenther@suse.de>
4670 * gimplify.c (fold_indirect_ref_rhs): Rename to ...
4671 (gimple_fold_indirect_ref_rhs): ... this.
4672 (gimple_fold_indirect_ref): New function with foldings
4673 that preserve lvalueness.
4674 (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
4675 * tree-flow.h (gimple_fold_indirect_ref): Declare.
4676 * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
4677 to fold an INDIRECT_REF, fall back to the old use of
4678 fold_indirect_ref_1.
4680 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
4682 * tree-data-ref.c (subscript_dependence_tester_1): Call
4683 free_conflict_function.
4684 (compute_self_dependence): Same.
4686 2008-01-16 Uros Bizjak <ubizjak@gmail.com>
4689 * debug.h (dwarf2out_switch_text_section): Move declaration from ...
4690 * dwarf2out.c (dwarf2out_switch_text_section): ... here. Make
4692 * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
4693 Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
4694 for DWARF2_UNWIND_INFO targets.
4696 2008-01-16 Richard Guenther <rguenther@suse.de>
4699 * c-typeck.c (common_pointer_type): Do not merge inconsistent
4700 type qualifiers for function types.
4702 2008-01-15 Jerry DeLisle <jvdelisle@gcc.gnu.org>
4704 * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
4705 loop_iterator li from previous commit.
4707 2008-01-15 Sebastian Pop <sebastian.pop@amd.com>
4709 * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
4711 2008-01-12 Sebastian Pop <sebastian.pop@amd.com>
4713 * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
4714 (parallelize_loops): Don't parallelize irreducible components.
4716 2008-01-14 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4719 * c-opts (c_common_post_options): Do not enable CPP
4720 flag_pedantic_errors by default.
4722 2008-01-14 Eric Botcazou <ebotcazou@adacore.com>
4724 PR rtl-optimization/31944
4725 * cse.c (remove_pseudo_from_table): New function.
4726 (merge_equiv_classes): Use above function to remove pseudo-registers.
4727 (invalidate): Likewise.
4729 2008-01-13 Richard Guenther <rguenther@suse.de>
4732 * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
4733 instead of TYPE_MODE to deal with calls from expand_one_error_var.
4735 2008-01-13 Uros Bizjak <ubizjak@gmail.com>
4737 * gcse.c (cprop_jump): Call validate_unshare_change instead of
4738 validate_change to unshare the source of the PC set.
4740 2008-01-12 Jan Hubicka <jh@suse.cz>
4743 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
4744 references above array bounds. This might trigger bounds checks for
4747 2008-01-12 Sebastian Pop <sebastian.pop@amd.com>
4749 * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
4750 new_replaceable_dependencies.
4752 2008-01-12 Doug Kwan <dougkwan@google.com>
4754 * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
4755 instead of OPT_Wreturn_type in warning due to ignored return type
4757 * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
4758 options included in -Wextra.
4759 * c.opt: New option -Wignored_qualifiers.
4760 * doc/invoke.texi (Warning Options, -Wextra): Add new option
4761 -Wignore_qualifiers.
4762 (-Wignored-qualifiers): Document.
4763 (-Wreturn-type): Remove description of functionality now handled
4764 by -Wignored-qualifiers.
4766 2008-01-12 Eric Botcazou <ebotcazou@adacore.com>
4769 * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
4770 NOP_EXPR if it is between integral types with the same precision.
4772 2008-01-12 Jan Hubicka <jh@suse.cz>
4775 * invoke.texi (max-inline-recursive-depth): Fix default value.
4777 2008-01-12 Zdenek Dvorak <ook@ucw.cz>
4779 * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
4782 2008-01-11 Bob Wilson <bob.wilson@acm.org>
4784 * config/xtensa/xtensa.c (override_options): Set flag_shlib.
4786 2008-01-11 James E. Wilson <wilson@specifix.com>
4789 * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
4791 2008-01-11 Anatoly Sokolov <aesok@post.ru>
4793 * config/avr/avr.c (expand_prologue, expand_epilogue): Don't
4794 save/restore frame pointer register and don't use 'call-prologues'
4795 optimization in function with "OS_task" attribute.
4797 2008-01-11 Eric Botcazou <ebotcazou@adacore.com>
4800 * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
4801 when copying to memory.
4803 2008-01-11 Steven Bosscher <stevenb.gcc@gmail.com>
4805 PR rtl-optimization/30905
4806 * cfgcleanup.c: Include dce.h
4807 (crossjumps_occured): New global variable.
4808 (try_crossjump_bb): Exit loop after finding a fallthru edge.
4809 If something changed, set crossjumps_occured to true.
4810 (try_optimize_cfg): Clear crossjumps_occured at the beginning.
4811 Don't add/remove fake edges to exit here...
4812 (cleanup_cfg): ...but do it here, when crossjumping.
4813 Run a fast DCE when successful crossjumps occured in the latest
4814 iteration of try_optimize_cfg.
4816 2008-01-11 Richard Guenther <rguenther@suse.de>
4818 * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
4819 (struct vn_unary_op_s): Likewise.
4820 (vn_reference_insert): Free old reference on hash collision.
4822 2008-01-10 Raksit Ashok <raksit@google.com>
4824 PR rtl-optimization/27971
4825 * combine.c (find_split_point): Split PLUS expressions which are
4826 inside a MEM rtx, and whose first operand is complex.
4828 2008-01-10 DJ Delorie <dj@redhat.com>
4830 * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
4831 (m32c_hard_regno_nregs): ...this, which is now a wrapper.
4832 (m32c_hard_regno_ok): Call the underlying function.
4834 2008-01-10 Richard Guenther <rguenther@suse.de>
4837 * tree-cfg.c (tree_merge_blocks): Do not go through the
4838 full-blown folding and stmt updating path if we just deal
4839 with virtual operands.
4840 * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
4841 test for abnormal SSA_NAMEs.
4843 2008-01-10 Andreas Krebbel <krebbel1@de.ibm.com>
4846 * reload.c (push_reload): Add assertions. All constants from
4847 reg_equiv_constant should have been used for replacing the respective
4849 (find_reloads_address): Invoke find_reloads_address_part for
4850 constant taken from the reg_equiv_constant array.
4852 2008-01-10 Steven Bosscher <stevenb.gcc@gmail.com>
4854 * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
4855 field (valnum) the first in the struct. Replace bools with
4858 2008-01-10 Richard Guenther <rguenther@suse.de>
4860 PR tree-optimization/34651
4861 * tree-sra.c (sra_build_assignment): Sanitize. Use the correct
4862 types and ordering for masking and converting.
4864 2008-01-09 Sebastian Pop <sebastian.pop@amd.com>
4866 PR tree-optimization/34017
4867 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
4868 also for PHI_NODE expressions.
4870 2008-01-09 Jan Hubicka <jh@suse.cz>
4872 PR tree-optimization/34708
4873 * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
4874 based on number of case labels.
4875 (init_inline_once): Remove switch_cost.
4876 * tree-inline.h (eni_weights_d): Remove switch_cost.
4878 2008-01-09 Richard Guenther <rguenther@suse.de>
4879 Andrew Pinski <andrew_pinski@playstation.sony.com>
4882 * gimplify.c (gimplify_cond_expr): Do not create an addressable
4883 temporary if an rvalue is ok or an lvalue is not required.
4885 2008-01-09 Richard Guenther <rguenther@suse.de>
4888 * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
4891 2008-01-09 Richard Guenther <rguenther@suse.de>
4894 * tree.c (host_integerp): Check for sizetype only if the
4895 type is an integer type.
4897 2008-01-09 Steven Bosscher <stevenb.gcc@gmail.com>
4900 * opts.c (decode_options): Disable inlining of functions called
4901 once if not in unit-at-a-time mode.
4903 2008-01-09 Alexandre Oliva <aoliva@redhat.com>
4905 * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
4907 2008-01-08 Richard Guenther <rguenther@suse.de>
4910 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
4911 out early if the result will be unused.
4913 2008-01-08 Uros Bizjak <ubizjak@gmail.com>
4918 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
4919 * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
4922 2008-01-08 Jan Sjodin <jan.sjodin@amd.com>
4924 * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
4925 for vectorization tuned.
4927 2008-01-08 Richard Guenther <rguenther@suse.de>
4929 PR tree-optimization/34683
4930 * tree-ssa-operands.c (operand_build_cmp): Export.
4931 * tree-ssa-operands.h (operand_build_cmp): Declare.
4932 * tree-vn.c (vuses_compare): Remove.
4933 (sort_vuses): Use operand_build_cmp.
4934 (sort_vuses_heap): Likewise.
4935 * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
4936 to re-use old VEC if available. Do not sort already sorted VUSEs.
4937 (vdefs_to_vec): Do not sort already sorted VDEFs.
4939 2008-01-08 Jakub Jelinek <jakub@redhat.com>
4942 * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
4944 2008-01-08 Uros Bizjak <ubizjak@gmail.com>
4947 * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
4948 limitations of reciprocal sequences on x86 targets.
4950 2008-01-08 Richard Guenther <rguenther@suse.de>
4952 PR tree-optimization/34683
4953 * tree-flow-inline.h (var_ann): Remove overzealous asserts.
4955 2008-01-07 Jakub Jelinek <jakub@redhat.com>
4958 * config/darwin.c (darwin_mergeable_string_section): Don't use
4959 .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
4961 2008-01-07 Uros Bizjak <ubizjak@gmail.com>
4964 * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
4965 negxf2. Macroize expander using X87MODEF mode iterator. Change
4966 predicates of op0 and op1 to register_operand.
4967 (abs<mode>2): Rename from abssf2, absdf2 and negxf2. Macroize
4968 expander using X87MODEF mode iterator. Change predicates of
4969 op0 and op1 to register_operand.
4970 ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
4971 corresponding patterns and macroize using MODEF macro. Change
4972 predicates of op0 and op1 to register_operand and remove
4973 "m" constraint. Disparage "r" alternative with "!".
4974 ("*absneg<mode>2_i387"): Rename from corresponding patterns and
4975 macroize using X87MODEF macro. Change predicates of op0 and op1
4976 to register_operand and remove "m" constraint. Disparage "r"
4977 alternative with "!".
4978 (absneg splitter with memory operands): Remove.
4979 ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
4980 patterns and macroize using X87MODEF mode iterator.
4981 * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
4982 Change predicate of op1 to register_operand.
4983 * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
4984 for memory operands.
4986 2008-01-07 Nathan Froyd <froydnj@codesourcery.com>
4988 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
4990 2008-01-07 Richard Guenther <rguenther@suse.de>
4992 * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
4995 2008-01-07 Richard Guenther <rguenther@suse.de>
4997 PR tree-optimization/34683
4998 * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
4999 VOPs of the needed size to save memory. Use VEC_quick_push
5000 to save compile-time.
5001 (vdefs_to_vec): Likewise.
5003 2008-01-07 Sa Liu <saliu@de.ibm.com>
5005 * config/spu/spu.md (divdf3): Genetate inline code for double
5006 division. The implementation doesn't handle INF or NAN, therefore it
5007 only applies when -ffinite-math-only is given.
5009 2008-01-06 Paolo Carlini <pcarlini@suse.de>
5012 * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
5013 * doc/cpp.texi ([Common Predefined Macros]): Document.
5015 2008-01-06 Uros Bizjak <ubizjak@gmail.com>
5017 * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
5018 order to use commutative addition instead of subtraction.
5020 2008-01-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
5021 Mircea Namolaru <namolaru@il.ibm.com>
5022 Vladimir Yanovsky <yanov@il.ibm.com>
5023 Revital Eres <eres@il.ibm.com>
5025 PR tree-optimization/34263
5026 * tree-outof-ssa.c (process_single_block_loop_latch,
5027 contains_tree_r): New functions.
5028 (analyze_edges_for_bb): Call process_single_block_loop_latch
5029 function to empty single-basic-block latch block if possible.
5031 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
5033 * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
5035 (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
5037 2008-01-05 Richard Sandiford <rsandifo@nildram.co.uk>
5039 * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
5041 2008-01-05 Richard Sandiford <rsandifo@nildram.co.uk>
5043 * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
5045 2008-01-05 Jakub Jelinek <jakub@redhat.com>
5047 PR tree-optimization/34618
5048 * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
5051 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
5054 * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
5055 in the call to gen_rtx_NE. Remove unneeded VECTOR_MODE_P check.
5056 Update copyright year.
5058 * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
5059 Update copyright year.
5060 * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
5063 2008-01-05 Zhouyi Zhou <zhouzhouyi@FreeBSD.org>
5065 * tree-vrp.c (find_conditional_asserts): Remove redundant check that
5066 edge does not point to current bb before changing need_assert.
5068 2008-01-04 Richard Guenther <rguenther@suse.de>
5071 * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
5072 for verifying purposes if they are is_gimple_min_invariant.
5074 2008-01-04 Aldy Hernandez <aldyh@redhat.com>
5076 PR tree-optimization/34448
5077 PR tree-optimization/34465
5078 * gimplify.c (gimplify_init_constructor): Add new parameter
5079 notify_temp_creation. Use it.
5080 (gimplify_modify_expr_rhs): Take volatiles into account when
5081 optimizing constructors.
5082 Do not optimize constructors if gimplify_init_constructor will dump to
5084 * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
5085 * gcc.c-torture/compile/pr34448.c: New.
5087 2008-01-04 Jakub Jelinek <jakub@redhat.com>
5089 PR gcov-profile/34609
5090 * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
5091 return_slot if result is TREE_ADDRESSABLE.
5093 2008-01-04 Richard Sandiford <rsandifo@nildram.co.uk>
5095 * config/mips/mips.md (sqrt_condition): Tweak comment.
5096 (recip_condition): Likewise. Require TARGET_FLOAT64 for DFmode.
5098 2008-01-03 Tom Tromey <tromey@redhat.com>
5101 * c-common.c (c_type_hash): Handle VLAs.
5103 2008-01-03 Jan Hubicka <jh@suse.cz>
5105 PR tree-optimization/31081
5106 * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
5107 0 when inlining and not inlining to first basic block.
5108 (remap_decl): When var is initialized to 0, don't set default_def.
5109 (expand_call_inline): Set entry_bb.
5110 * tree-inline.h (copy_body_data): Add entry_bb.
5112 2008-01-03 Jakub Jelinek <jakub@redhat.com>
5115 * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
5118 PR tree-optimization/29484
5119 * tree-inline.c (inline_forbidden_p_2): New function.
5120 (inline_forbidden_p): Disallow inlining if some static var
5121 has an address of a local LABEL_DECL in its initializer.
5122 * doc/extend.texi (Labels as Values): Document &&foo behaviour
5125 2008-01-03 Sebastian Pop <sebastian.pop@amd.com>
5127 PR tree-optimization/34635
5128 * tree-data-ref.c (add_other_self_distances): Make sure that the
5129 evolution step is constant.
5131 2008-01-03 Jakub Jelinek <jakub@redhat.com>
5134 * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
5136 2008-01-02 Richard Sandiford <rsandifo@nildram.co.uk>
5138 * tree-sra.c (scalarize_init): Insert the generate_element_init
5139 statements after the generate_element_zero statements.
5141 2008-01-02 Richard Guenther <rguenther@suse.de>
5145 * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
5146 for very large number of operands instead of ICEing.
5148 2008-01-02 Arthur Norman <acn1@cam.ac.uk>
5151 * config/i386/i386.c (ix86_expand_prologue): Save red-zone
5152 while stack probing.
5154 2008-01-01 Douglas Gregor <doug.gregor@gmail.com>
5156 * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
5159 2008-01-01 Volker Reichelt <v.reichelt@netcologne.de>
5162 * tree-mudflap.c (mx_register_decls): Guard warning by
5163 !DECL_ARTIFICIAL check.
5165 2008-01-01 Jakub Jelinek <jakub@redhat.com>
5167 * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
5168 sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
5169 sse5_perm<mode>): Fix constraints.