1 2008-03-27 Paolo Bonzini <bonzini@gnu.org>
3 * config.cc (m68hc11, m6811, m68hc12, m6812): Add usegas.h,
4 rename tmake_file to m68hc11/t-m68hc11.
5 (mcore): Set inhibit_libc to true.
6 * config.host (alpha*-dec-*vms*): Set extra_programs.
7 (interix3*): Don't use host_xmake_file.
8 * configure.ac: Let config.gcc override inhibit_libc.
9 * configure: Regenerate.
11 * config/alpha/x-vms (EXTRA_PROGRAMS): Remove.
12 * config/t-openbsd-thread: Remove commented out lines.
14 * config/x-interix: Remove.
16 * config/m68hc11/t-m68hc11-gas: Rename to...
17 * config/m68hc11/t-m68hc11: ... this. Remove T_CPPFLAGS.
19 * config/mcore/t-mcore: Remove T_CFLAGS.
20 * config/mcore/t-mcore-pe: Likewise.
22 2008-03-27 Paolo Bonzini <bonzini@gnu.org>
24 * configure.ac: Replace custom __GNU_SOURCE test with
25 AC_USE_SYSTEM_EXTENSIONS. Move it earlier.
26 * aclocal.m4: Regenerate.
27 * configure: Regenerate.
28 * config.in: Regenerate.
30 2008-03-27 Richard Guenther <rguenther@suse.de>
32 * fold-const.c (target.h): Include.
33 (fold_comparison): Fold comparison of addresses of decls
34 that bind locally or of constants. Consolidate address folding code.
35 * tree-vrp.c (operand_less_p): Deal with non-INTEGER_CST
36 results from fold_binary_to_constant.
37 (compare_values_warnv): Likewise.
39 2008-03-27 Andrew Pinski <pinskia@gmail.com>
42 * fold-const.c (fold_truthop): Check for integeral types when folding
43 a == 0 && b == 0 and a != 0 || b != 0 .
45 2008-03-26 Eric Botcazou <ebotcazou@adacore.com>
47 * tree.c (get_unwidened): Remove code fiddling with COMPONENT_REF.
49 2008-03-26 Andreas Schwab <schwab@suse.de>
51 * doc/invoke.texi: Fix use of @item vs. @itemx.
53 2008-03-26 Tom Tromey <tromey@redhat.com>
55 * Makefile.in (build/gensupport.o, build/print-rtl.o,
56 build/read-rtl.o, build/rtl.o, build/gencondmd.o, build/genattr.o,
57 build/genattrtab.o, build/genautomata.o, build/gencheck.o,
58 build/gencodes.o, build/genconditions.o, build/genconfig.o,
59 build/genconstants.o, build/genemit.o, build/genextract.o,
60 build/genflags.o, build/genmddeps.o, build/genopinit.o,
61 build/genoutput.o, build/genpeep.o, build/genrecog.o): Depend on
64 2008-03-26 Richard Guenther <rguenther@suse.de>
67 2008-03-26 Richard Guenther <rguenther@suse.de>
69 * fold-const.c (target.h): Include.
70 (fold_comparison): Fold comparison of addresses of two decls
71 that bind locally. Consolidate address folding code.
73 2008-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
75 * builtins.c (expand_builtin_pow, fold_builtin_cabs,
76 fold_builtin_sqrt, fold_builtin_cbrt, fold_builtin_logarithm,
77 fold_builtin_hypot, fold_builtin_pow): Remove uses of dconst3,
78 dconstsqrt2, dconstthird, dconste and/or dconst10.
79 * config/i386/i386.c (ix86_emit_swsqrtsf): Likewise.
80 * emit-rtl.c (dconst3, dconst10, dconstm2, dconstthird,
81 dconstsqrt2, dconste): Delete.
82 (init_emit_once): Likewise. Simplify initializing dconstm1.
84 * real.c (get_real_const): New.
85 * real.h (dconst3, dconst10, dconstm2, dconstthird,
86 dconstsqrt2, dconste): Delete.
87 (real_value_const, get_real_const): New.
89 2008-03-26 H.J. Lu <hongjiu.lu@intel.com>
91 * config/i386/cygming.h (BIGGEST_ALIGNMENT): Removed.
93 * config/i386/i386.c (ix86_function_arg_boundary): Check
94 BIGGEST_ALIGNMENT instead of 128.
95 (setup_incoming_varargs_64): Likewise.
97 2008-03-26 Tom Tromey <tromey@redhat.com>
99 * Makefile.in (DEPFILES): Add missing '/'.
101 2008-03-26 Richard Guenther <rguenther@suse.de>
103 * fold-const.c (target.h): Include.
104 (fold_comparison): Fold comparison of addresses of two decls
105 that bind locally. Consolidate address folding code.
107 2008-03-26 Nick Clifton <nickc@redhat.com>
110 * config/stormy16/stormy16.c (xstormy16_legitimate_address_p): Do
111 not allow INT+INT as a legitimate addressing mode.
113 2008-03-26 Richard Guenther <rguenther@suse.de>
115 * tree-flow.h (widen_bitfield): Remove declaration.
116 * tree-ssa-ccp.c (visit_assignment): Remove unneeded code.
117 (widen_bitfield): Remove function.
118 * tree-ssa-dom.c (record_equivalences_from_stmt): Remove unneeded
121 2008-03-25 Andrew Pinski <andrew_pinski@playstation.sony.com>
124 * config/rs6000/rs6000-c.c (rs6000_builtin_type_compatible): Handle
127 2008-03-25 Richard Sandiford <rsandifo@nildram.co.uk>
129 PR rtl-optimization/35232
130 * reload1.c (reg_reloaded_call_part_clobbered): Clarify comment.
131 (forget_old_reloads_1, forget_marked_reloads): Don't clear
132 reg_reloaded_call_part_clobbered here.
133 (reload_regs_reach_end_p): New function.
134 (reload_reg_rtx_for_input): New variable.
135 (reload_reg_rtx_for_output): Likewise.
136 (emit_input_reload_insns): Use reloadreg rather than rl->reg_rtx
137 when reassigning a pseudo register. Load reloadreg from
138 reload_reg_rtx_for_input, moving the mode and register
140 (do_input_reload): ...here. Use the mode-adjusted reg_rtx
141 instead of the original when deciding whether an input reload
142 would be a no-op or whether an output reload can be deleted.
143 (emit_output_reload_insns): Use the mode-adjusted reg_rtx
144 when setting up new_spill_reg_store. Load it from
145 reload_reg_rtx_for_output, moving the mode and register
147 (do_output_reload): ...here. Use the mode-adjusted reg_rtx
148 instead of the original when deciding whether an output reload
149 would be a no-op. Do the same when modifying insn notes.
150 Use rtx_equal_p instead of == to compare the registers.
151 (inherit_piecemeal_p): Take a mode and two register numbers
153 (emit_reload_insns): Clear new_spill_reg_store for every hard
154 register in the reload register. Remove spill registers
155 from reg_reloaded_valid before considering whether to record
156 inheritance information for them. Use reload_reg_rtx_for_output
157 instead of reg_rtx when recording output reloads. Use
158 reload_reg_rtx_for_input instead of reg_rtx when recording
159 input reloads. Set or clear reg_reloaded_call_part_clobbered
160 at the same time as setting reg_reloaded_valid.
161 (delete_output_reload): Add a new_reload_reg parameter and use it
162 instead of rld[j].reg_rtx.
163 (emit_input_reload_insns, do_input_reload, do_output_reload): Adjust
166 2008-03-25 Tom Tromey <tromey@redhat.com>
168 * Makefile.in (build/gensupport.o): Depend on insn-modes.h.
169 (build/genattr.o): Likewise.
170 (build/genattrtab.o): Likewise.
171 (build/gencodes.o): Likewise.
172 (build/genconfig.o): Likewise.
173 (build/genconstants.o): Likewise.
174 (build/genemit.o): Likewise.
175 (build/genextract.o): Likewise.
176 (build/genflags.o): Likewise.
178 2008-03-25 Bob Wilson <bob.wilson@acm.org>
180 * config/xtensa/xtensa.c (xtensa_va_start): Use build_int_cst
181 instead of size_int for integer types.
182 (xtensa_gimplify_va_arg_expr): Likewise. Convert index to sizetype
183 to match type of MINUS_EXPR.
185 2008-03-25 Tom Tromey <tromey@redhat.com>
187 * configure: Rebuilt.
188 * configure.ac (BUILD_DEPMODE): Extract CCDEPMODE from temporary
191 2008-03-25 Tom Tromey <tromey@redhat.com>
193 * config/x-solaris (host-solaris.o): Update.
194 * config/x-linux (host-linux.o): Update.
195 * config/x-hpux (host-hpux.o): Update.
196 * config/x-darwin (host-darwin.o): Update.
197 * config/v850/t-v850e (v850-c.o): Update.
198 * config/v850/t-v850 (v850-c.o): Update.
199 * config/t-vxworks (vxworks.o): Update.
200 * config/t-sol2 (sol2-c.o, sol2.o): Update.
201 * config/t-darwin (darwin.o, darwin-c.o, darwin-driver.o): Update.
202 * config/spu/t-spu-elf (spu-c.o): Update.
204 * config/sh/t-symbian (sh-c.o): Update.
206 * config/sh/t-sh (sh-c.o): Update.
207 * config/score/t-score-elf (score7.o, score3.o): Update.
208 * config/rs6000/x-rs6000 (driver-rs6000.o): Update.
209 * config/rs6000/x-darwin64 (host-ppc64-darwin.o): Update.
210 * config/rs6000/x-darwin (host-ppc-darwin.o): Update.
211 * config/rs6000/t-rs6000 (rs6000-c.o): Update.
213 * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
214 * config/m32c/t-m32c (m32c-pragma.o): Update.
215 * config/ia64/t-ia64 (ia64-c.o): Update.
216 * config/i386/x-mingw32 (host-mingw32.o): Update.
217 * config/i386/x-i386 (driver-i386.o): Update.
218 * config/i386/x-darwin (host-i386-darwin.o): Update.
219 * config/i386/x-cygwin (host-cygwin.o): Update.
220 * config/i386/t-nwld (nwld.o): Update.
221 * config/i386/t-netware (netware.o): Update.
222 * config/i386/t-interix (winnt.o): Update.
223 * config/i386/t-cygwin (cygwin1.o, cygwin2.o): Update.
224 * config/i386/t-cygming (winnt.o, winnt-cxx.o, winnt-stubs.o,
225 msformat-c.o): Update.
226 * config/bfin/t-bfin-linux (generated_files): Add
227 linux-sysroot-suffix.h.
228 * config/arm/t-wince-pe (pe.o): Update.
229 * config/arm/t-strongarm-pe (pe.o): Update.
230 * config/arm/t-pe (pe.o): Update.
231 * config/arm/t-arm (arm-c.o): Update.
232 * doc/install.texi (Prerequisites): Require make 3.80.
233 * Makefile.in: Remove .o targets.
234 (CCDEPMODE, DEPDIR, depcomp, BUILD_DEPMODE): New variables.
235 (OBSTACK_H, FIBHEAP_H, PARTITION_H, MD5_H, BCONFIG_H): Remove.
236 (simple_generated_h, simple_generated_c): Move earlier.
237 (generated_files): New variable.
238 (TARGET_H, MACHMODE_H, HOOKS_H, HOSTHOOKS_DEF_H, LANGHOOKS_DEF_H,
239 TARGET_DEF_H, RTL_BASE_H, RTL_H, PARAMS_H, BUILTINS_DEF, TREE_H,
240 BASIC_BLOCK_H, GCOV_IO_H, COVERAGE_H, DEMANGLE_H, RECOG_H,
241 ALIAS_H, EMIT_RTL_H, FLAGS_H, FUNCTION_H, EXPR_H, OPTABS_H,
242 REGS_H, RA_H, RESOURCE_H, SCHED_INT_H, INTEGRATE_H, CFGLAYOUT_H,
243 CFGLOOP_H, IPA_UTILS_H, IPA_REFERENCE_H, IPA_TYPE_ESCAPE_H,
244 CGRAPH_H, DF_H, RESOURCE_H, DDG_H, GCC_H, GGC_H, TIMEVAR_H,
245 INSN_ATTR_H, C_COMMON_H, C_PRAGMA_H, C_TREE_H, SYSTEM_H,
246 PREDICT_H, DECNUM_H, MKDEPS_H, SYMTAB_H, TREE_DUMP_H,
247 TREE_GIMPLE_H, TREE_FLOW_H, TREE_SSA_LIVE_H, PRETTY_PRINT_H,
248 DIAGNOSTIC_H, C_PRETTY_PRINT_H, SCEV_H, LAMBDA_H, TREE_DATA_REF_H,
249 VARRAY_H, TREE_INLINE_H, REAL_H, DBGCNT_H, EBIMAP_H): Remove.
251 (COMPILE.base, COMPILE): New variables.
252 (%.o): New pattern rule.
253 (ALL_HOST_OBJS): New variable.
254 (xgcc$(exeext), cpp$(exeext)): Remove extra version.o.
255 (dummy-checksum.o, cc1-checksum.o): Remove.
256 (DRIVER_SHLIB): New variable.
257 (DRIVER_DEFINES): Use it.
258 (gencondmd.c): Move out of build/.
259 (s-conditions): Update.
260 (BUILDCOMPILE.base, BUILDCOMPILE): New variables.
261 (ALL_BUILD_OBJS): Likewise.
262 (build/%.o): Use BUILDCOMPILE.
263 (build/ggc-none.o, build/ggc-none.o, build/min-insn-modes.o,
264 build/print-rtl.o, build/read-rtl.o, build/rtl.o, build/vec.o,
265 build/gencondmd.o, build/genattrtab.o, build/genautomata.o,
266 build/gencheck.o, build/gencodes.o, build/genconditions.o,
267 build/genconfig.o, build/genconstants.o, build/genemit.o,
268 build/genextract.o, build/genflags.o, build/genmddeps.o,
269 build/genopinit.o, build/genoutput.o, build/genpeep.o,
270 build/genpreds.o, build/genrecog.o, build/gcov-iov.o,
271 build/gen-protos.o, build/scan.o, build/fix-header.o,
272 build/scan-decls.o): Simplify.
273 (collect2.o, c-opts.o, gcc.o, gccspec.o, gcc-options.o,
274 cppdefault.o, protoize.o, unprotoize.o, intl.o, version.o,
275 prefix.o, toplev.o): Reduce to variable setting.
276 (libbackend.o): Use COMPILE. Remove most dependencies. Move later.
277 ($(out_object_file), gcc-options.o): New targets.
278 ($(ALL_HOST_OBJS)): New target. Include dependency files.
279 * configure: Rebuilt.
280 * configure.ac: Call ZW_CREATE_DEPDIR, ZW_PROG_COMPILER_DEPENDENCIES.
281 * doc/sourcebuild.texi (Front End Directory): Document new variable.
283 2008-03-25 Douglas Gregor <doug.gregor@gmail.com>
285 * c-common.c (c_sizeof_or_alignof_type): If we're not allowed to
286 complain when we hit an error, return ERROR_MARK_NODE.
288 2008-03-25 Naveen.H.S <naveen.hs@kpitcummins.com>
290 * config/sh/constraints.md (Pso, Psz): New constraints.
291 * config/sh/sh.c (print_operand): Add %V and %W operand codes.
292 * config/sh/sh.md (*andsi3_bclr, *iorsi3_bset): New insns.
294 2008-03-25 Naveen.H.S <naveen.hs@kpitcummins.com>
296 * config/sh/sh.c (sh_expand_t_scc): Emit movrt for SH2A if possible.
297 * config/sh/sh.md (xorsi3_movrt, movrt): New insns.
299 2008-03-25 Naveen.H.S <naveen.hs@kpitcummins.com>
301 * config/sh/sh.md (prefetch): Add condition for SH2A target.
302 (prefetch_sh2a): New.
304 2008-03-25 Jayant Sonar <Jayant.sonar@kpitcummins.com>
305 Naveen.H.S <naveen.hs@kpitcummins.com>
307 * config/sh/constraints.md (I28): New constraint.
308 * config/sh/sh.c (broken_move): Add support for movi20s.
309 * config/sh/sh.md (movsi_ie): Add the alternative for movi20s.
311 2008-03-25 Anil Paranjape <anil.paranjape@kpitcummins.com>
312 Jayant Sonar <Jayant.sonar@kpitcummins.com>
313 Naveen.H.S <naveen.hs@kpitcummins.com>
315 * config/sh/sh.c (SH_ATTRIBUTES): Define.
316 (SYMBOL_FLAG_FUNCVEC_FUNCTION): Define.
317 (print_operand): Handle resbank in %@ operand code.
318 (sh_encode_section_info): New.
319 (push_regs): Add conditions for resbank.
320 (sh_expand_epilogue): Likewise.
321 (sh_insert_attributes): Likewise.
322 (sh_attribute_table): Likewise.
323 (sh_handle_resbank_handler_attribute): New.
324 (sh2a_handle_function_vector_handler_attribute): New.
325 (sh2a_is_function_vector_call): New.
326 (sh2a_get_function_vector_number): New.
327 (sh2a_function_vector_p): New.
328 (sh_cfun_resbank_handler_p): New.
329 * config/sh/sh.md (calli): Emit jsr/n if possible.
330 (calli_tbr_rel): New.
331 (calli_pcrel): Emit jsr/n if possible.
332 (return_i): Emit rts/n if possible.
333 (call_valuei_tbr_rel): New.
334 (call_valuei_pcrel): Add condition for SH2A target.
335 (call_value): Likewise.
336 * config/sh/sh-protos.h (sh_cfun_resbank_handler_p): Declare.
337 (sh2a_get_function_vector_number): Likewise.
338 (sh2a_is_function_vector_call): Likewise.
339 * doc/extend.texi: Document TBR relative addressing of SH2A.
340 (resbank): Add description for SH2A.
342 2008-03-24 Richard Guenther <rguenther@suse.de>
345 * gimplify.c (gimplify_modify_expr): For frontend type-correct
346 pointer assignments change conversions according to middle-end rules.
347 (gimplify_modify_expr_rhs): Deal with NULL TARGET_EXPR_INITIAL.
348 * configure.ac: Include type checking in yes.
349 * configure: Regenerate.
351 2008-03-24 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
353 * diagnostic.c (diagnostic_count_diagnostic): Delete.
354 (diagnostic_report_diagnostic): Update. Handle ICEs here.
356 2008-03-24 Nathan Sidwell <nathan@codesourcery.com>
358 * gthr-vxworks.h (UNUSED): Define.
360 2008-03-23 H.J. Lu <hongjiu.lu@intel.com>
362 * config/i386/i386.h (STATIC_CHAIN_REGNUM): Use R10_REG and
365 2008-03-23 Zuxy Meng <zuxy.meng@gmail.com>
367 * doc/extend.texi (Function Attributes): Add missing comma in the
368 example of the "alloc_size" attribute.
370 2008-03-23 Uros Bizjak <ubizjak@gmail.com>
373 2008-03-05 H.J. Lu <hongjiu.lu@intel.com>
375 * config/i386/i386-modes.def: Use 4 byte alignment on DI for
378 2008-03-19 Uros Bizjak <ubizjak@gmail.com>
381 * stor-layout.c (update_alignment_for_field): Set minimum alignment
382 of the underlying type of a MS bitfield layout to the natural
383 alignment of the type.
385 2008-03-22 Uros Bizjak <ubizjak@gmail.com>
387 * config/i386/i386.c (assign_386_stack_local): Align DImode slots
388 to their natural alignment to avoid store forwarding stalls.
390 2008-03-22 Richard Guenther <rguenther@suse.de>
392 * tree-cfg.c (verify_expr): Recurse again for invariant addresses.
393 For PHI nodes verify the address is invariant.
394 * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): Remove.
395 (get_symbol_constant_value): Use is_gimple_min_invariant.
396 (maybe_fold_stmt_indirect): Likewise.
398 2008-03-22 Richard Sandiford <rsandifo@nildram.co.uk>
400 PR rtl-optimization/33927
401 * Makefile.in (dse.o): Depend on $(TM_P_H).
402 * expr.h (extract_low_bits): Declare.
403 * expmed.c (extract_low_bits): New function.
404 * rtlhooks.c (gen_lowpart_general): Generalize SUBREG handling.
405 * dse.c: Include tm_p.h.
406 (find_shift_sequence): Remove the read_reg argument and return the
407 read value. Emit the instructions instead of returning them.
408 Iterate on new_mode rather than calculating it each time.
409 Check MODES_TIEABLE_P. Use simplify_gen_subreg to convert the
410 source to NEW_MODE and extract_low_bits to convert the shifted
412 (replace_read): Allow the load and store to have different mode
413 classes. Use extract_low_bits when SHIFT == 0. Create the shift
414 or extraction instructions before trying the replacement. Update
415 dump-file code accordingly, avoiding use of REGNO (store_info->rhs).
417 2008-03-22 Uros Bizjak <ubizjak@gmail.com>
419 * config/i386/i386.c (assign_386_stack_local): Align DImode slots
420 to their natural alignment to avoid store forwarding stalls.
422 2008-03-21 Andrew Pinski <andrew_pinski@playstation.sony.com>
425 * config/rs6000/rs6000.md (floatdidf2): Discouraging fprs and
426 encouraging but not allowing gprs for input;
427 change the input constraint to !f#r.
428 (fix_truncdfdi2): Discouraging fprs and encouraging but not allowing
430 change the output constraint to !f#r.
432 2008-03-21 Uros Bizjak <ubizjak@gmail.com>
435 * config/i386/i386.md ("*floatunssi<mode2>_1"): New pattern with
436 corresponding post-reload splitters.
437 ("floatunssi<mode>2"): Expand to unsigned_float x87 insn pattern
438 when x87 FP math is selected.
439 * config/i386/i386-protos.h (ix86_expand_convert_uns_sixf_sse):
440 New function prototype.
441 * config/i386/i386.c (ix86_expand_convert_uns_sixf_sse): New
442 unreachable function to ease macroization of insn patterns.
444 2008-03-21 Martin Jambor <mjambor@suse.cz>
446 * tree-data-ref.c (dump_data_dependence_relation): Avoid data
447 reference dumps if ddr is NULL or dependence is unknown.
449 2008-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
451 * config/sh/linux-atomic.asm (ATOMIC_TEST_AND_SET): Take
452 unsigned extension into account.
453 (ATOMIC_COMPARE_AND_SWAP): Likewise.
454 (ATOMIC_FETCH_AND_OP, ATOMIC_FETCH_AND_COMBOP): Likewise.
455 Do computations on a scratch register.
457 2008-03-21 Richard Guenther <rguenther@suse.de>
459 * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
460 Use is_gimple_min_invariant instead of TREE_INVARIANT.
461 * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Likewise.
462 * tree-ssa-dom.c (record_equality): Likewise.
463 * tree-inline.c (copy_body_r): Likewise.
464 * tree-ssa-pre.c (make_values_for_stmt): Remove test for
467 2008-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
469 * config/sh/sh.c (split_branches): Pass zero to redirect_jump
470 as 'delete_unused' argument.
472 2008-03-20 Richard Guenther <rguenther@suse.de>
474 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
475 special casing of constant qualifiers.
476 * tree-ssa.c (useless_type_conversion_p_1): Instead do not
477 care about them in general.
478 * tree-ssa-ccp.c (ccp_fold): Addresses are constant or not
479 regardless of their type.
480 (fold_stmt_r): Forcefully fold *& if we end up with that.
482 2008-03-20 Paul Brook <paul@codesourcery.com>
484 * config.gcc (arm*-*-uclinux*): Remove duplicate arm/uclinux-elf.h.
485 * config/arm/uclinux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Add extra
487 * config/arm/bpabi.h (SUBTARGET_EXTRA_LINK_SPEC): Provide default
489 (LINK_SPEC): Use SUBTARGET_EXTRA_LINK_SPEC.
490 * config/arm/unwind-arm.h (_Unwind_decode_target2): Add uClinux.
492 2008-03-20 Volker Reichelt <v.reichelt@netcologne.de>
494 * common.opt (Wmudflap): New option.
495 * tree-mudflap.c (mf_xform_derefs_1): Guard warning by OPT_Wmudflap.
496 (mx_register_decls): Likewise.
497 (mudflap_finish_file): Likewise.
498 * doc/invoke.texi: Document -Wno-mudflap.
500 2008-03-20 Kai Tietz <kai.tietz@onevision.com>
502 * c-format.c (replace_format_name_to_system_name): New.
504 (convert_format_name_to_system_name): New.
505 (decode_format_attr): Add use of convert_format_name_to_system_name.
506 (format_types_orig): Add gnu_ prefix to names.
507 (check_format_info_main): Special treating of \0 escaped names for
508 supporting multi-character format specifiers as I32, I64.
509 (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): Use of user defined attributes.
510 (gnu_target_overrides_format_attributes): New.
511 * c-format.h: Add structure target_ovr_attr to hold
512 system specific formatter names.
513 * config.gcc: Add for x86&x86_64 cygwin and mingw32 targets the
514 msformat-c.o file to c_target_objs and cxx_target_objs.
515 * config/i386/mingw32.h (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
516 (TARGET_OVERRIDES_FORMAT_ATTRIBUTES_COUNT): New.
517 (TARGET_N_FORMAT_TYPES): New.
518 * config/i386/msformat-c.c: New.
519 * config/i386/t-cygming: Add build rule for msformat-c.o.
520 * doc/extend.texi: Add new format names gnu_* and ms_* and
522 * doc/tm.texi: (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
524 2008-03-20 Ira Rosen <irar@il.ibm.com>
526 * doc/invoke.texi (-O3): Add -ftree-vectorize to the list of
527 optimizations turned on under -O3.
528 (ftree-vectorize): Add that the flag is turned on with -O3.
530 2008-03-20 Ben Elliston <bje@au.ibm.com>
532 * regmove.c (try_auto_increment): Fix spelling error in comment.
533 * final.c (final_scan_insn): Likewise.
535 2008-03-20 Uros Bizjak <ubizjak@gmail.com>
538 * config/i386/mmx.md (*mov<mode>_internal_rex64"): Adjust register
539 allocator preferences for "y" and "r" class registers.
540 ("*mov<mode>_internal"): Ditto.
541 ("*movv2sf_internal_rex64"): Ditto.
542 ("*movv2sf_internal"): Ditto.
544 2008-03-19 Michael Matz <matz@suse.de>
547 * calls.c (expand_call): Check overlap of arguments with call
548 address for sibcalls.
550 2008-03-19 Uros Bizjak <ubizjak@gmail.com>
553 * stor-layout.c (update_alignment_for_field): Set minimum alignment
554 of the underlying type of a MS bitfield layout to the natural
555 alignment of the type.
557 2008-03-19 Jan Hubicka <jh@suse.cz>
560 * toplev.c (decode_d_option): Handle all CPP flags.
561 * tree-vrp.c: Update tree_pass descriptors.
562 * regrename.c: Update tree_pass descriptors.
563 * fwprop.c: Update tree_pass descriptors.
564 * doc/invoke.texi: Remove documentation of dropped -d? flags.
565 * tree-into-ssa.c: Update tree_pass descriptors.
566 * tree-dump.c: Update tree_pass descriptors.
567 * tree-complex.c: Update tree_pass descriptors.
568 * tree-dump.h: Update tree_pass descriptors.
569 * see.c: Update tree_pass descriptors.
570 * cgraphbuild.c: Update tree_pass descriptors.
571 * tracer.c: Update tree_pass descriptors.
572 * tree-loop-distribution.c: Update tree_pass descriptors.
573 * cgraph.c: Update tree_pass descriptors.
574 * postreload-gcse.c: Update tree_pass descriptors.
575 * postreload.c: Update tree_pass descriptors.
576 * tree-ssa-loop-ch.c: Update tree_pass descriptors.
577 * tree-tailcall.c: Update tree_pass descriptors.
578 * tree-pass.h (tree_opt_pass): Rename to ...
579 (opt_pass) ... this one; add "type" field and remove letter field.
580 (gimple_opt_pass, rtl_opt_pass, simple_ipa_opt_pass): New.
581 (execute_pass_list, execute_ipa_pass_list, all_passes, all_ipa_passes,
582 all_lowering_passes): Update declaration.
583 * ipa-cp.c: Update tree_pass descriptors.
584 * final.c: Update tree_pass descriptors.
585 * omp-low.c: Update tree_pass descriptors.
586 * tree-ssa-dse.c: Update tree_pass descriptors.
587 * ipa-reference.c: Update tree_pass descriptors.
588 * tree-ssa-uncprop.c: Update tree_pass descriptors.
589 * auto-inc-dec.c: Update tree_pass descriptors.
590 * reorg.c: Update tree_pass descriptors.
591 * cgraphunit.c: Update tree_pass descriptors.
592 * tree-ssa-copyrename.c: Update tree_pass descriptors.
593 * tree-ssa-ccp.c: Update tree_pass descriptors.
594 * df-core.c: Update tree_pass descriptors.
595 * mode-switching.c: Update tree_pass descriptors.
596 * tree-nomudflap.c: Update tree_pass descriptors.
597 * modulo-sched.c: Update tree_pass descriptors.
598 * ipa-pure-const.c: Update tree_pass descriptors.
599 * cse.c: Update tree_pass descriptors.
600 * web.c: Update tree_pass descriptors.
601 * tree-stdarg.c: Update tree_pass descriptors.
602 * tree-ssa-math-opts.c: Update tree_pass descriptors.
603 * tree-ssa-dom.c: Update tree_pass descriptors.
604 * tree-nrv.c: Update tree_pass descriptors.
605 * tree-ssa-alias.c: Update tree_pass descriptors.
606 * loop-init.c: Update tree_pass descriptors.
607 * gimple-low.c: Update tree_pass descriptors.
608 * ipa-inline.c: Update tree_pass descriptors.
609 * tree-ssa-sink.c: Update tree_pass descriptors.
610 * global.c: Update tree_pass descriptors.
611 * ifcvt.c: Update tree_pass descriptors.
612 * jump.c: Update tree_pass descriptors.
613 * predict.c: Update tree_pass descriptors.
614 * tree-ssa-loop.c: Update tree_pass descriptors.
615 * recog.c: Update tree_pass descriptors.
616 * dse.c: Update tree_pass descriptors.
617 * tree-ssa-ifcombine.c: Update tree_pass descriptors.
618 * tree-eh.c: Update tree_pass descriptors.
619 * regmove.c: Update tree_pass descriptors.
621 * function.c: Update tree_pass descriptors.
622 * tree-vectorizer.c: Update tree_pass descriptors.
623 * gcse.c: Update tree_pass descriptors.
624 * ipa-type-escape.c: Update tree_pass descriptors.
625 * tree-if-conv.c: Update tree_pass descriptors.
626 * init-regs.c: Update tree_pass descriptors.
627 * ipa.c: Update tree_pass descriptors.
628 * tree-ssa-phiopt.c: Update tree_pass descriptors.
629 * rtl-factoring.c: Update tree_pass descriptors.
630 * lower-subreg.c: Update tree_pass descriptors.
631 * bt-load.c: Update tree_pass descriptors.
632 * tree-dfa.c: Update tree_pass descriptors.
633 * except.c: Update tree_pass descriptors.
634 * emit-rtl.c: Update tree_pass descriptors.
635 * cfgexpand.c: Update tree_pass descriptors.
636 * tree-cfgcleanup.c: Update tree_pass descriptors.
637 * cfgcleanup.c: Update tree_pass descriptors.
638 * tree-ssa-pre.c: Update tree_pass descriptors.
639 * tree-sra.c: Update tree_pass descriptors.
640 * tree-mudflap.c: Update tree_pass descriptors.
641 * tree-ssa-copy.c: Update tree_pass descriptors.
642 * cfglayout.c: Update tree_pass descriptors.
643 * tree-ssa-forwprop.c: Update tree_pass descriptors.
644 * tree-ssa-dce.c: Update tree_pass descriptors.
645 * tree-ssa.c: Update tree_pass descriptors.
646 * regclass.c: Update tree_pass descriptors.
647 * integrate.c: Update tree_pass descriptors.
648 * tree-optimize.c: Update tree_pass descriptors.
649 * tree-ssa-phiprop.c: Update tree_pass descriptors.
650 * tree-object-size.c: Update tree_pass descriptors.
651 * combine.c: Update tree_pass descriptors.
652 * tree-outof-ssa.c: Update tree_pass descriptors.
653 * bb-reorder.c: Update tree_pass descriptors.
654 * stack-ptr-mod.c: Update tree_pass descriptors.
655 * var-tracking.c: Update tree_pass descriptors.
656 * tree-profile.c: Update tree_pass descriptors.
657 * tree-vect-generic.c: Update tree_pass descriptors.
658 * reg-stack.c: Update tree_pass descriptors.
659 * sched-rgn.c: Update tree_pass descriptors.
660 * tree-ssa-structalias.c: Update tree_pass descriptors.
661 * tree-cfg.c: Update tree_pass descriptors.
662 * passes.c (current_pass): Update declaration.
663 (finish_optimization_passes): Update.
664 (all_passes, all_ipa_passes, all_lowering_passes): Update declaration.
665 (register_one_dump_file, register_dump_files_1, next_pass_1):
667 (init_optimization_passes): Update handling of new types.
668 (execute_one_pass, execute_pass_list, execute_ipa_pass_list): Update.
669 * ipa-struct-reorg.c: Update tree_pass descriptors.
670 * tree-ssa-reassoc.c: Update tree_pass descriptors.
671 * combine-stack-adj.c: Update tree_pass descriptors.
672 * cfgrtl.c: Update tree_pass descriptors.
673 * dce.c: Update tree_pass descriptors.
674 * tree-ssanames.c: Update tree_pass descriptors.
676 2008-03-19 Richard Guenther <rguenther@suse.de>
679 * tree-ssa.c (walk_data): New structure.
680 (warn_uninitialized_var): If not always_executed warn with "maybe"
682 (execute_early_warn_uninitialized): Compute post-dominators.
683 Initialize always_executed before processing each basic block.
685 2008-03-18 Mikulas Patocka <mikulas@artax.karlin.mff.cuni.cz>
688 * config/i386/i386.c (x86_this_parameter): Calculate correct location
689 of "this" pointer when "regparm = N" or "fastcall" is in effect.
691 2008-03-18 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
693 * doc/include/texinfo.tex: Update to version 2008-03-17.10.
695 2008-03-18 Paolo Bonzini <bonzini@gnu.org>
697 * expr.c (store_expr): Assume lang_hooks.reduce_bit_field_operations
699 (expand_expr_real_1) <REDUCE_BIT_FIELD>: Don't look at ignore.
700 (expand_expr_real_1): Assume lang_hooks.reduce_bit_field_operations
701 is true. Add "&& !ignore" condition to reduce_bit_field. Modify
702 target after ignore has been set, and move there also the commputation
703 of subtarget and original_target.
704 * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Delete.
705 (LANG_HOOKS_INITIALIZER): Remove it.
706 * langhooks.h (struct lang_hooks): Remove reduce_bit_field_operations.
708 2008-03-18 Richard Guenther <rguenther@suse.de>
710 * tree-ssa-sccvn.c (visit_reference_op_load): If the lookup
711 found an expression with constants, note that in the VN for the lhs.
712 * tree-ssa-pre.c (eliminate): Visit COND_EXPR statements and
713 fold them to constants if possible. Run cleanup_cfg if done so.
714 (execute_pre): Return todo.
716 (execute_fre): Likewise.
717 * tree-ssa-forwprop.c (can_propagate_from): Allow propagation
719 (get_prop_source_stmt): Look through pointer conversions.
721 2008-03-18 Jan Hubicka <jh@suse.cz>
723 * tree-pretty-print.c: Include predict.h.
724 (dump_generic_node): Dump predictor.
725 * tree.h (PREDICT_EXPR_OUTCOME, PREDICT_EXPR_PREDICTION): Update.
726 * tree-gimple.c (is_gimple_stmt): Add PREDICT_EXPR.
727 * gimple-low.c (lower_stmt): Likewise.
728 * expr.c (expand_expr_real): Likewise.
729 * predict.c (tree_bb_level_predictions): Use PREDICT_EXPRs and remove
731 (build_predict_expr, build_predict_expr): New.
732 * predict.h (predictor_name, build_predict_expr): Update.
733 * c-typeck.c (c_finish_bc_stmt): Add prediction.
734 * gimplify.c (gimplify_expr): Add PREDICT_EXPR.
735 * predict.def (PRED_CONTINUE): Update hitrate.
736 * tree.def (PREDICT_EXPR): Define.
737 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Mark PREDICT_EXPR;
738 do not handle BIND_EXPR.
739 * tree-inline.c (estimate_num_insns_1): PREDICT_EXPR is free.
740 * tree-cfg.c (verify_gimple_stmt): PREDICT_EXPR is valid.
741 * tree-ssa-operands.c (get_expr_operands): PREDICT_EXPR takes no
744 2008-03-18 Michael Matz <matz@suse.de>
746 * gcov-io.h (__gcov_merge_ior, __gcov_fork): Mark hidden.
748 2008-03-18 Richard Guenther <rguenther@suse.de>
750 * tree-gimple.h (is_gimple_invariant_address): Declare.
751 (is_gimple_constant): Likewise.
752 * tree-gimple.c (is_gimple_constant): New function.
753 (is_gimple_invariant_address): Likewise.
754 (is_gimple_min_invariant): Implement in terms of is_gimple_constant
755 and is_gimple_invariant_address.
756 * tree-ssa-loop-niter.c (expand_simple_operations): Revert
758 * tree-data-ref.c (get_references_in_stmt): A SSA_NAME is not
761 2008-03-18 Jakub Jelinek <jakub@redhat.com>
764 * gimplify.c (gimplify_expr): Gimplify second operand of
767 2008-03-17 Richard Guenther <rguenther@suse.de>
769 PR tree-optimization/19637
770 * fold-const.c (fold_unary): Remove restrictions of removing
771 intermediate pointer-conversions (P2)(P1)P0.
772 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Recover from
773 conversion to void pointer.
774 (get_maxval_strlen): Handle addresses of the form &(*p)[0].
776 2008-03-16 James E. Wilson <wilson@tuliptree.org>
779 * dbxout.c (dbxout_expand_expr, case VAR_DECL): Return NULL for
780 emulated thread local variables.
782 2008-03-16 Richard Guenther <rguenther@suse.de>
785 * tree-ssa-loop-niter.c (expand_simple_operations): Do not
786 expand TREE_INVARIANT operations that are not gimple invariant.
788 2008-03-16 Hans-Peter Nilsson <hp@axis.com>
790 * doc/extend.texi (Alignment): Say that the ABI controls
791 the __alignof__ for non-strict-alignment targets rather
792 than being a recommendation.
794 2008-03-15 Paul Brook <paul@codesourcery.com>
796 * config/arm/arm.c (arm_unwind_emit): Suppress unused unwinding
798 (arm_output_fn_unwind): Mark functions that can not be unwound.
800 2008-03-15 Paul Brook <paul@codesourcery.com>
802 * config/arm/arm.c (arm_rtx_costs_1): Add costs for ARMv6 value
803 extension instructions.
805 2008-03-15 Richard Guenther <rguenther@suse.de>
807 * tree-ssa-ccp.c (ccp_fold): Also read from constant values
808 and fold constant aggregate refs.
809 (fold_const_aggregate_ref): Handle string constants
810 and constructors in ARRAY_REFs. Handle INDIRECT_REF.
811 (evaluate_stmt): Simplify now that ccp_fold folds constant
814 2008-03-15 Paul Brook <paul@codesourcery.com>
816 * config/arm/arm.md (insv): Use gen_insv_t2 and gen_insv_zero.
817 (extzv): Use gen_extzv_t2.
818 (insv_t2, insv_zero, extv, extzv_t2): New patterns.
820 2008-03-15 Richard Guenther <rguenther@suse.de>
822 * tree-ssa-ccp.c (get_symbol_constant_value): Export.
823 (fold_const_aggregate_ref): Likewise.
824 (get_value): Return NULL if we don't have any values.
825 (ccp_finalize): Set const_val to NULL after freeing it.
826 * tree-flow.h (get_symbol_constant_value): Declare.
827 (fold_const_aggregate_ref): Likewise.
828 * tree-ssa-sccvn.c (try_to_simplify): Use them.
830 2008-03-15 Richard Guenther <rguenther@suse.de>
833 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make sure
834 to not produce negative array indices if not allowed. Add
835 parameter to indicate that.
836 (maybe_fold_offset_to_component_ref): Allow negative array
837 indices only for the first member of a structure.
838 (maybe_fold_offset_to_reference): Allow negative array indices.
839 (maybe_fold_stmt_addition): Likewise.
841 2008-03-15 Bjoern Haase <bjoern.m.haase@web.de>
842 Anatoly Sokolov <aesok@post.ru>
844 * gcc/gcc/config/avr/avr.c (avr_arch_types): Add avr6 entry.
845 (avr_arch): Add ARCH_AVR6.
846 (avr_mcu_types): Add 'atmega2560' and 'atmega2561' entry.
847 (initial_elimination_offset): Initialize and use 'avr_pc_size'
848 instead of fixed value 2.
849 (print_operand_address): Use gs() asm specifier instead of pm().
850 (avr_assemble_integer): (Ditto.).
851 (avr_output_addr_vec_elt): (Ditto.).
852 (print_operand): Handle "!" code.
853 * gcc/gcc/config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Add
854 __AVR_3_BYTE_PC__, __AVR_2_BYTE_PC__ and __AVR_HAVE_JMP_CALL__.
855 (AVR_HAVE_EIJMP_EICALL): Define.
856 (AVR_3_BYTE_PC): Redefine.
857 (AVR_2_BYTE_PC): (Ditto.).
858 (PRINT_OPERAND_PUNCT_VALID_P): Add '!' code.
859 (LINK_SPEC): Add atmega2560 and atmega2561.
860 (CRT_BINUTILS_SPEC): Add atmega2560 (crtm2560.o) and atmega2561
862 * gcc/gcc/config/avr/avr.md (call_insn): Use eicall instead of icall
863 for 3 byte PC devices.
864 (call_value_insn): (Ditto.).
865 (*tablejump_enh): Use eijmp instead of ijmp for 3 byte PC devices.
866 (indirect_jump): Use only for for 2 byte PC devices.
867 (*tablejump): (Ditto.).
868 (*indirect_jump_avr6): Add insn.
869 (*tablejump_rjmp): Don't use for 3 byte PC devices.
870 * gcc/gcc/config/avr/libgcc.S (__prologue_saves__): Use eijmp
871 instead of ijmp for 3 byte PC devices.
872 (__tablejump2__): (Ditto.).
873 * gcc/gcc/config/avr/t-avr (MULITLIB_OPTIONS): Add avr6 architecture.
874 (MULITLIB_DIRNAMES): (Ditto.).
875 (MULTILIB_MATCHES): Add atmega2560 and atmega2561 to list.
877 2008-03-15 Uros Bizjak <ubizjak@gmail.com>
879 * config/i386/mmx.md ("sse2_umulv1siv2di3"): Rename from
880 "sse2_umulsidi3". Use V1DI mode for operand 0.
881 ("mmx_psadbw"): Use V1DI mode for operand 0.
882 * config/i386/i386-modes.def (V1SI): New vector mode.
883 * config/i386/i386.c (struct builtin_description)
884 [IX86_BUILTIN_PMULUDQ]: Use CODE_FOR_sse2_umulv1siv1di3.
885 (v1di_ftype_v8qi_v8qi): Rename from di_ftype_v8qi_v8qi.
886 (v1di_ftype_v2si_v2si): Rename from di_ftype_v2si_v2si.
887 (ix86_init_mmx_sse_builtins) [__builtin_ia32_psadbw]: Use
888 v1di_ftype_v8qi_v8qi type.
889 [__builtin_ia32_pmuludq]: Use v1di_ftype_v2si_v2si type.
891 * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psadbw,
892 __builtin_ia32_pmuludq]: Fix the mode of return value.
894 2008-03-15 Richard Guenther <rguenther@suse.de>
897 * tree-ssa-pre.c (bitmap_find_leader): Handle expression
900 2008-03-14 Bob Wilson <bob.wilson@acm.org>
902 * doc/invoke.texi (Option Summary, Xtensa Options): Document
903 -mserialize-volatile and -mno-serialize-volatile Xtensa options.
904 * config/xtensa/xtensa.c (print_operand): Do not emit MEMW instructions
905 unless TARGET_SERIALIZE_VOLATILE is enabled.
906 * config/xtensa/xtensa.md (*lsiu, *ssiu): Likewise.
907 * config/xtensa/xtensa.h (TARGET_DEFAULT): Add MASK_SERIALIZE_VOLATILE.
908 * config/xtensa/xtensa.opt (mserialize_volatile): New option.
910 2008-03-14 Richard Guenther <rguenther@suse.de>
912 PR tree-optimization/34172
913 * tree-flow.h (refs_may_alias_p): Declare.
914 (get_single_def_stmt): Likewise.
915 (get_single_def_stmt_from_phi): Likewise.
916 (get_single_def_stmt_with_phi): Likewise.
917 * tree-dfa.c (refs_may_alias_p): New function.
918 (get_single_def_stmt): Likewise.
919 (get_single_def_stmt_from_phi): Likewise.
920 (get_single_def_stmt_with_phi): Likewise.
921 * tree-ssa-sccvn.c (get_def_ref_stmt_vuses): New function.
922 (vn_reference_lookup_1): New helper function.
923 (vn_reference_lookup): Walk the virtual use-def chain to
924 continue searching for a match if the def does not alias the
925 reference we are looking for.
927 2008-03-14 David Edelsohn <edelsohn@gnu.org>
929 * doc/install.texi (Binaries): Remove UCLA archive. Add HVCC
930 archive and Perzl. Update The Written Word listing.
932 2008-03-14 Richard Guenther <rguenther@suse.de>
934 PR tree-optimization/34043
935 PR tree-optimization/33989
936 * tree-ssa-pre.c (execute_pre): Allow SCCVN to do insertion
938 (bitmap_find_leader): Use extra argument to verify dominance
939 relationship inside a basic-block.
940 (can_PRE_operation): Add VIEW_CONVERT_EXPR.
941 (find_leader_in_sets): Adjust.
942 (create_component_ref_by_pieces): Take extra argument for
943 dominance check, handle lookup failures.
944 (find_or_generate_expression): Likewise.
945 (create_expression_by_pieces): Likewise.
946 (insert_into_preds_of_block): Adjust.
947 (create_value_expr_from): If asked for, verify all operands
948 are in the blocks AVAIL_OUT set.
949 (make_values_for_stmt): Check for SSA_NAMEs that are life
950 over an abnormal edge.
951 (compute_avail): Remove such check.
952 (do_SCCVN_insertion): New function.
953 (eliminate): If we do not find a leader suitable for replacement
954 insert a replacement expression from SCCVN if available.
955 * tree-ssa-sccvn.h (run_scc_vn): Update prototype.
956 (struct vn_ssa_aux): Add needs_insertion flag.
957 * tree-ssa-sccvn.c (may_insert): New global flag.
958 (copy_reference_ops_from_ref): Value-number union member access
959 based on its size, not type and member if insertion is allowed.
960 (visit_reference_op_load): For a weak match from union type
961 punning lookup a view-converted value and insert a SSA_NAME
962 for that value if that is not found.
963 (visit_use): Make dumps shorter. Do not disallow value numbering
964 SSA_NAMEs that are life over an abnormal edge to constants.
965 (free_scc_vn): Release inserted SSA_NAMEs.
966 (run_scc_vn): New flag to specify whether insertion is allowed.
967 Process SSA_NAMEs in forward order.
968 * tree-ssa-loop-im.c (for_each_index): Handle invariant
969 ADDR_EXPRs inside VIEW_CONVERT_EXPR.
970 * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPRs from/to
971 pointer type to/from integral types that do not change the
972 precision to regular conversions.
974 2008-03-13 Uros Bizjak <ubizjak@gmail.com>
976 * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
977 __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
978 __builtin_ia32_psrl?i, __builtin_ia32_psra?i, __builtin_ia32_psll?128,
979 __builtin_ia32_psrl?128, __builtin_ia32_psra?128]: Fix the mode of
980 input arguments and the mode of return value. Built-in functions
981 that operate on whole 64-bit MMX register now use V1DI mode.
983 2008-03-13 Alon Dayan <alond@il.ibm.com>
984 Olga Golovanevsky <olga@il.ibm.com>
986 PR tree-optimization/35041
987 * ipa-struct-reorg.c (find_pos_in_stmt_1): Add another option
988 to locate the right position in a statement.
990 2008-03-13 Uros Bizjak <ubizjak@gmail.com>
994 * config/i386/xmmintrin.h: Change all static inline functions to
995 extern inline and add __gnu_inline__ attribute.
996 * config/i386/bmintrin.h: Ditto.
997 * config/i386/smmintrin.h: Ditto.
998 * config/i386/tmmintrin.h: Ditto.
999 * config/i386/mmintrin-common.h: Ditto.
1000 * config/i386/ammintrin.h: Ditto.
1001 * config/i386/emmintrin.h: Ditto.
1002 * config/i386/pmmintrin.h: Ditto.
1003 * config/i386/mmintrin.h: Ditto.
1004 * config/i386/mm3dnow.h: Ditto.
1006 2008-03-13 Jakub Jelinek <jakub@redhat.com>
1009 * omp-low.c (lower_regimplify, init_tmp_var, save_tmp_var): Removed.
1010 (lower_omp_2): New function.
1011 (lower_omp_1, lower_omp): Rewritten.
1013 2008-03-13 Danny Smith <dannysmith@users.sourceforge.net>
1016 * doc/extend.texi (Structure-Packing Pragmas): Replace "Win32"
1017 with the phrase "Microsoft Windows compilers".
1018 (Push/Pop Macro Pragmas): New subsection. Document
1019 #pragma push_macro and pragma pop_macro.
1021 2008-03-12 Paul Brook <paul@codesourcery.com>
1023 * config/arm/arm.c (output_move_double): Prefer LDRD to LDM.
1025 2008-03-12 Paul Brook <paul@codesourcery.com>
1027 * config/arm/thumb2.md: Extend peephole to cover 3-arg subs.
1028 (thumb2_alusi3_short): Exclude PLUS and MINUS.
1029 (thumb2_addsi_shortim): Rename ...
1030 (thumb2_addsi_short): ... to this. Allow register operands.
1031 (thumb2_subsi_short): New pattern.
1032 (thumb2_one_cmplsi2_short,
1033 thumb2_negsi2_short): New patterns and peepholes.
1035 2008-03-12 Paul Brook <paul@codesourcery.com>
1037 * config/arm/arm.c (arm_size_rtx_costs): Use ARM costs for Thumb-2.
1039 2008-03-12 Uros Bizjak <ubizjak@gmail.com>
1041 * config/i386/i386.md (int_cond): New code iterator.
1043 ("s<code>"): Macroize expander from seq, sne, sgt, sgtu, slt, sltu,
1044 sge, sgeu, sle and sleu expanders usign int_cond code iterator.
1045 ("s<code>"): Macroize expander from sunordered, sordered, suneq, sunge,
1046 sungt, sunle, sunlt and sltgt expanders usign fp_cond code iterator.
1047 ("b<code>"): Macroize expander from beq, bne, bgt, bgtu, blt, bltu,
1048 bge, bgeu, ble and bleu expanders usign int_cond code iterator.
1049 ("b<code>"): Macroize expander from bunordered, bordered, buneq, bunge,
1050 bungt, bunle, bunlt and bltgt expanders usign fp_cond code iterator.
1052 2008-03-12 Paul Brook <paul@codesourcery.com>
1054 * config/arm/arm.c (use_return_insn): Use offsets->saved_regs_mask
1055 instead of {arm,thumb}_compute_save_reg_mask.
1056 (output_return_instruction): Ditto.
1057 (thumb_unexpanded_epilogue): Ditto.
1058 (thumb1_expand_prologue): Ditto.
1059 (thumb1_output_function_prologue): Ditto.
1060 (arm_set_return_address): Ditto.
1061 (thumb_set_return_address): Ditto.
1062 (arm_get_frame_offsets): Set offsets->saved_regs_mask. Push extra
1063 regs to achieve stack alignment.
1064 (thumb1_compute_save_reg_mask): Fix compiler warning.
1065 (arm_output_epilogue): Use offsets->saved_regs_mask.
1066 Adjust stack pointer by poping call clobered registers.
1067 (arm_expand_prologue): Use offsets->saved_regs_mask.
1068 Adjust stack pointer by pushing extra registers.
1069 * config/arm.h (arm_stack_offsets): Add saved_regs_mask.
1071 2008-03-12 Paolo Bonzini <bonzini@gnu.org>
1074 * fold-const.c (fold_unary) <NOP_EXPR>: Distribute a narrowing
1075 conversion to the operands of a multiplication.
1077 2008-03-12 Richard Guenther <rguenther@suse.de>
1079 * Makefile.in (OBJS-common): Add tree-ssa-phiprop.o
1080 (tree-ssa-phiprop.o): Copy dependencies from tree-ssa-forwprop.o.
1081 * timevar.def (TV_TREE_PHIPROP): Add.
1082 * tree-ssa-phiprop.c: Split from tree-ssa-forwprop.c, added
1083 pass description. Use TV_TREE_PHIPROP.
1084 * tree-ssa-forwprop.c: Remove phiprop code.
1086 2008-03-12 Jakub Jelinek <jakub@redhat.com>
1089 * omp-low.c (maybe_lookup_decl): Constify first argument.
1090 (use_pointer_for_field): Change last argument from bool to
1091 omp_context *. Disallow shared copy-in/out in nested
1092 parallel if decl is shared in outer parallel too.
1093 (build_outer_var_ref, scan_sharing_clauses,
1094 lower_rec_input_clauses, lower_copyprivate_clauses,
1095 lower_send_clauses, lower_send_shared_vars): Adjust callers.
1097 2008-03-12 Victor Kaplansky <victork@il.ibm.com>
1098 Ira Rosen <irar@il.ibm.com>
1100 * tree-vectorizer.c (free_stmt_vec_info): New function.
1101 (destroy_loop_vec_info): Move code to free_stmt_vec_info().
1102 Call free_stmt_vec_info(). Free LOOP_VINFO_STRIDED_STORES..
1103 * tree-vectorizer.h (free_stmt_vec_info): Declare.
1104 * tree-vect-transform.c (vectorizable_conversion): Free
1105 vec_oprnds0 if it was allocated.
1106 (vect_permute_store_chain): Remove unused VECs.
1107 (vectorizable_store): Free VECs that are allocated in the..
1109 (vect_transform_strided_load, vectorizable_load): Likewise.
1110 (vect_remove_stores): Simplify the code.
1111 (vect_transform_loop): Move code to vect_remove_stores().
1112 Call vect_remove_stores() and free_stmt_vec_info().
1114 2008-03-11 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1116 * pa.h (TARGET_LONG_PIC_SDIFF_CALL): Conditionalize define on
1117 TARGET_HPUX. Revise comment.
1118 (TARGET_LONG_PIC_PCREL_CALL): Revise comment.
1119 * pa.c (output_call): Update for revised TARGET_LONG_PIC_SDIFF_CALL.
1120 Use sr4 variant of `be' instruction when not generating PIC code.
1121 (attr_length_call): Adjust for above change.
1123 2008-03-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
1125 * ipa-reference.c (static_execute): Remove module_statics_const and
1126 associated setting code.
1128 2008-03-11 Uros Bizjak <ubizjak@gmail.com>
1131 * config/i386/i386.md (paritysi2, paritydi2): Use register_operand
1132 predicate for operand 1.
1133 (paritysi2_cmp): Use register_operand predicate for operand 2.
1134 Use earlyclobber modifier for operand 1. Remove support for
1136 (paritydi2_cmp): Use register_operand predicate for operand 3.
1137 Use earlyclobber modifier for operand 1. Remove support for
1140 2008-03-11 Paul Brook <paul@codesourcery.com>
1141 Vladimir Prus <vladimir@codesourcery.com>
1143 * config/arm/arm.c (use_return_insn): Check TARGET_APCS_FRAME.
1144 (arm_compute_save_reg0_reg12_mask): Always
1145 check if register 11 must be saved. Always safe hard frame pointer
1146 when frame_pointer_needeed.
1147 (arm_compute_save_reg_mask): Save IP and PC
1148 only with apcs frames.
1149 (arm_output_epilogue): Adjust Thumb2 codepath to
1150 be also invoked and work for ARM non-apcs frames.
1151 (arm_expand_prologue): Don't bother saving IP
1152 for non-apcs frame, since it's not clobbered by
1153 prologue code. Implement non-apcs frame
1156 2008-03-11 Paolo Bonzini <bonzini@gnu.org>
1158 PR rtl-optimization/35281
1159 * expr.c (convert_move): Use a new pseudo for the intermediate
1160 from_mode->word_mode result.
1162 2008-03-11 Paolo Bonzini <bonzini@gnu.org>
1164 * langhooks-def.h (LANG_HOOKS_CLEAR_BINDING_STACK): Delete.
1165 * langhooks.h (struct lang_hooks): Delete clear_binding_stack member.
1166 * toplev.c (compile_file): Don't call it.
1168 2008-03-11 Uros Bizjak <ubizjak@gmail.com>
1171 * expr.c (store_expr): Call emit_block_move if the mode
1172 of "temp" RTX is BLKmode.
1174 2008-03-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
1175 Richard Guenther <rguenther@suse.de>
1177 PR tree-optimization/31358
1178 * tree-ssa-loop-manip.c (create_iv): Call force_gimple_operand for
1179 the step with a NULL_TREE.
1180 * tree-ssa-loop-ivopts.c (find_bivs): Convert the step
1181 to sizetype if type is a pointer type.
1182 (add_candidate_1): Don't convert the base and step to
1183 the generic type if the orginal type is a pointer type.
1184 (add_iv_value_candidates): Use sizetype for the step
1185 if type is a pointer type.
1186 (cand_value_at): Likewise.
1187 * tree-ssa-address.c (add_to_parts): Use POINTER_PLUS_EXPR
1189 * tree-affine.c (tree_to_aff_combination <POINTER_PLUS_EXPR>):
1190 Don't convert the tem affine to the type.
1191 (add_elt_to_tree): Use sizetype for the step if a pointer.
1192 Use POINTER_PLUS_EXPR for pointers.
1193 (aff_combination_to_tree): Use sizetype for the step if a
1196 2008-03-10 Vladimir Makarov <vmakarov@redhat.com>
1198 * config/i386/sse.md (ssse3_pmaddubswv8hi3, ssse3_pmaddubswv4hi3):
1199 Remove commutativity hint.
1201 2008-03-10 Jakub Jelinek <jakub@redhat.com>
1205 * c-parser.c (c_parser_omp_threadprivate): Don't add vars with
1206 errorneous type. Check that v is a VAR_DECL.
1209 * tree-cfg.c (new_label_mapper): Update cfun->last_label_uid.
1211 2008-03-10 H.J. Lu <hongjiu.lu@intel.com>
1213 PR tree-optimization/35494
1214 * tree-ssa-ccp.c (get_symbol_constant_value): Check if value
1215 may be overriden at link and run time.
1217 2008-03-10 Richard Guenther <rguenther@suse.de>
1219 PR tree-optimization/34677
1220 * tree-ssa-pre.c (modify_expr_node_pool): Remove.
1221 (poolify_tree): Likewise.
1222 (modify_expr_template): Likewise.
1223 (poolify_modify_stmt): Likewise.
1224 (insert_fake_stores): Handle all component-ref style stores
1225 in addition to INDIRECT_REF. Also handle complex types.
1226 Do not poolify the inserted load.
1227 (realify_fake_stores): Do not rebuild the tree but only
1228 make it a SSA_NAME copy.
1229 (init_pre): Remove initialzation of modify_expr_template.
1230 Do not allocate modify_expr_node_pool.
1231 (fini_pre): Do not free modify_expr_node_pool.
1233 2008-03-10 Paul Brook <paul@codesourcery.com>
1235 * config/arm/arm.md (UNSPEC_STACK_ALIGN, UNSPEC_PIC_OFFSET): Renumber
1238 2008-03-10 Paul Brook <paul@codesourcery.com>
1239 Mark Shinwell <shinwell@codesourcery.com>
1241 * config/arm/cortex-r4.md: New.
1242 * config/arm/thumb2.md (divsi3, udivsi3): Annotate with
1244 * config/arm/arm.md: Include cortex-r4.md.
1245 (insn): Add smmls, sdiv and udiv values.
1246 (generic_sched): Don't use generic scheduling for Cortex-R4.
1247 (arm_issue_rate): New function.
1248 (TARGET_SCHED_ISSUE_RATE): Define.
1250 2008-03-10 Sebastian Pop <sebastian.pop@amd.com>
1252 * doc/invoke.texi (-ftree-loop-distribution): Add an example.
1254 2008-03-10 Richard Guenther <rguenther@suse.de>
1256 * tree-ssa-pre.c (get_sccvn_value): Simplify.
1257 (compute_avail): Do not add stmt uses to AVAIL_OUT.
1259 2008-03-10 Paolo Bonzini <bonzini@gnu.org>
1261 * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
1262 Set default to true.
1264 2008-03-09 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1266 * c.opt (Wsynth): Deprecate.
1267 * doc/invoke.texi (Option Summary, Warning Options): Document
1268 -Wno-format-contains-nul.
1270 2008-03-09 Uros Bizjak <ubizjak@gmail.com>
1273 * config/i386/i386.c (ix86_constant_alignment): Compute alignment using
1274 ALIGN_MODE_128 for VECTOR_CST and INTEGER_CST in addition to REAL_CST.
1276 2008-03-09 Ira Rosen <irar@il.ibm.com>
1278 * config/rs6000/rs6000.c (builtin_description): Rename vector
1279 left shift operations.
1280 * config/rs6000/altivec.md (UNSPEC_VSL): Remove.
1281 (altivec_vsl<VI_char>): Rename to ...
1282 (ashl<mode>3): ... new name.
1283 (mulv4sf3, mulv4si3, negv4sf2): Replace gen_altivec_vslw with
1285 (absv4sf2): Convert to use ashift:V4SI instead of UNSPEC_VSL.
1287 2008-03-08 Richard Guenther <rguenther@suse.de>
1289 * coverage.h (tree_coverage_counter_addr): Declare.
1290 * coverage.c (tree_coverage_counter_addr): New function.
1291 * tree-profile.c (tree_gen_edge_profiler): Unshare counter
1293 (tree_gen_pow2_profiler): Use tree_coverage_counter_addr.
1294 (tree_gen_one_value_profiler): Likewise.
1295 (tree_gen_ic_profiler): Likewise.
1296 (tree_gen_average_profiler): Likewise.
1297 (tree_gen_ior_profiler): Likewise.
1299 2008-03-08 Richard Guenther <rguenther@suse.de>
1301 * tree-ssa-sccvn.h (vn_binary_op_lookup): Remove.
1302 (vn_binary_op_insert): Likewise.
1303 (vn_unary_op_lookup): Likewise.
1304 (vn_unary_op_insert): Likewise.
1305 (vn_nary_op_lookup): Declare.
1306 (vn_nary_op_insert): Likewise.
1307 * tree-ssa-sccvn.c (struct vn_tables_s): Merge unary
1308 and binary hashes, use a single obstack for unary_op_pool
1310 (struct vn_binary_op_s, struct vn_unary_op_s): Replace with
1311 a single struct vn_nary_op_s. Store tree code length and
1312 a variable number of operands.
1313 (struct vn_reference_op_struct): Remove unused op2.
1314 (vn_reference_op_eq): Do not compare op2.
1315 (vn_reference_op_compute_hash): Do not compute hash of op2.
1316 (vn_unary_op_hash, vn_binary_op_hash): Replace with vn_nary_op_hash.
1317 (vn_unary_op_compute_hash, vn_binary_op_compute_hash): Replace
1318 with vn_nary_op_compute_hash.
1319 (vn_unary_op_eq, vn_binary_op_eq): Replace with vn_nary_op_eq.
1320 (vn_unary_op_lookup, vn_binary_op_lookup): Replace with
1322 (vn_unary_op_insert, vn_binary_op_insert): Replace with
1324 (visit_unary_op): Call nary functions.
1325 (visit_binary_op): Likewise.
1326 (process_scc): Adjust for struct vn_tables_s changes.
1327 (allocate_vn_table): Likewise.
1328 (free_vn_table): Likewise.
1329 * tree-vn.c (vn_add): Call nary functions.
1330 (vn_lookup): Likewise.
1332 2008-03-08 Jakub Jelinek <jakub@redhat.com>
1335 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): Shift
1336 wdst back after sync_compare_and_swapqhi_internal.
1338 2008-03-08 Uros Bizjak <ubizjak@gmail.com>
1341 * config/i386/i386-modes.def (V1DI): New vector mode.
1342 * config/i386/i386.h (VALID_MMX_REG_MODE): Add V1DImode.
1343 * config/i386/mmx.md (MMXMODEI8): New mode iterator.
1344 (MMXMODE248): Ditto.
1345 (MMXMODE): Add V1DI mode.
1346 (mmxvecsize): Change DI mode to V1DI mode.
1347 ("mov<mode>): Use MMXMODEI8 mode iterator.
1348 ("*mov<mode>_internal_rex64"): Ditto.
1349 ("*mov<mode>_internal"): Ditto.
1350 ("mmx_add<mode>3"): Ditto. Handle V1DImode for TARGET_SSE2.
1351 ("mmx_sub<mode>3"): Ditto.
1352 ("mmx_adddi3"): Remove insn pattern.
1353 ("mmx_subdi3"): Ditto.
1354 ("mmx_ashr<mode>3"): Use SImode and "yN" constraint for operand 2.
1355 ("mmx_lshr<mode>3"): Ditto. Use MMXMODE248 mode iterator.
1356 ("mmx_ashl<mode>3"): Ditto.
1357 ("mmx_lshrdi3"): Remove insn pattern.
1358 ("mmx_ashldi3"): Ditto.
1359 * config/i386/i386.c (classify_argument): Handle V1DImode.
1360 (function_arg_advance_32): Ditto.
1361 (function_arg_32): Ditto.
1362 (struct builtin_description) [IX86_BUILTIN_PADDQ]: Use
1363 mmx_addv1di3 insn pattern.
1364 [IX86_BUILTIN_PSUBQ]: Use mmx_subv1di3 insn pattern.
1365 [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?, IX86_BUILTIN_PSRA?,
1366 IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I, IX86_BUILTIN_PSRA?I,
1367 IX86_BUILTIN_PSLL?I128, IX86_BUILTIN_PSRL?I128, IX86_BUILTIN_PSRA?I128]:
1368 Remove definitions of built-in functions.
1369 (V1DI_type_node): New node.
1370 (v1di_ftype_v1di_int): Ditto.
1371 (v1di_ftype_v1di_v1di): Ditto.
1372 (v2si_ftype_v2si_si): Ditto.
1373 (v4hi_ftype_v4hi_di): Remove node.
1374 (v2si_ftype_v2si_di): Ditto.
1375 (ix86_init_mmx_sse_builtins): Handle V1DImode.
1376 (__builtin_ia32_psll?, __builtin_ia32_psrl?, __builtin_ia32_psra?):
1377 Redefine builtins using def_builtin_const with *_ftype_*_int node.
1378 (__builtin_ia32_psll?i, __builtin_ia32_psrl?i, __builtin_ia32_psra?i):
1379 Add new builtins using def_builtin_const.
1380 (ix86_expand_builtin) [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?,
1381 IX86_BUILTIN_PSRA?, IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I,
1382 IX86_BUILTIN_PSRA?I]: Handle builtin definitions.
1383 * config/i386/mmintrin.h (__v1di): New typedef.
1384 (_mm_add_si64): Cast arguments to __v1di type.
1385 (_mm_sub_si64): Ditto.
1386 (_mm_sll_pi16): Cast __count to __v4hi type.
1387 (_mm_sll_pi32): Cast __count to __v2si type.
1388 (_mm_sll_si64): Cast arguments to __v1di type.
1389 (_mm_srl_pi16): Cast __count to __v4hi type.
1390 (_mm_srl_pi32): Cast __count to __v2si type.
1391 (_mm_srl_si64): Cast arguments to __v1di type.
1392 (_mm_sra_pi16): Cast __count to __v4hi type.
1393 (_mm_sra_pi32): Cast __count to __v2si type.
1394 (_mm_slli_pi16): Use __builtin_ia32_psllwi.
1395 (_mm_slli_pi32): Use __builtin_ia32_pslldi.
1396 (_mm_slli_si64): Use __builtin_ia32_psllqi. Cast __m to __v1di type.
1397 (_mm_srli_pi16): Use __builtin_ia32_psrlwi.
1398 (_mm_srli_pi32): Use __builtin_ia32_psrldi.
1399 (_mm_srli_si64): Use __builtin_ia32_psrlqi. Cast __m to __v1di type.
1400 (_mm_srai_pi16): Use __builtin_ia32_psrawi.
1401 (_mm_srai_pi32): Use __builtin_ia32_psradi.
1402 * config/i386/i386.md (UNSPEC_NOP): Remove unspec definition.
1403 * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
1404 __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
1405 __builtin_ia32_psrl?i, __builtin_ia32_psra?i]: Add new builtins.
1407 2008-03-07 Joseph Myers <joseph@codesourcery.com>
1409 * doc/include/texinfo.tex: Update to version 2008-03-07.10.
1411 2008-03-07 Peter Bergner <bergner@vnet.ibm.com>
1414 * config/rs6000/rs6000.c (rs6000_legitimize_address): Don't generate
1415 reg+const addressing for Altivec modes. Don't generate reg+reg
1416 addressing for TFmode or TDmode quantities.
1418 2008-03-07 Paolo Bonzini <bonzini@gnu.org>
1420 * c-common.c (vector_types_convertible_p): Call langhook
1421 instead of comptypes.
1423 2008-03-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
1426 * tree-ssa-ccp.c (get_symbol_constant_value): Handle
1427 integral and scalar float variables which have a
1430 2008-03-06 Nathan Froyd <froydnj@codesourcery.com>
1432 * dwarf2out.c (dwarf2out_frame_debug_expr): Consult the
1433 dwarf_register_span hook when emitting unwind information for
1434 register-to-memory saves.
1435 * config/rs6000/rs6000.c (spe_synthesize_frame): Delete.
1436 (rs6000_frame_related): Remove call to spe_synthesize_frame.
1438 2008-03-06 Jakub Jelinek <jakub@redhat.com>
1440 * gimplify.c (goa_lhs_expr_p): Allow different ADDR_EXPR nodes
1441 for the same VAR_DECL.
1443 2008-03-06 Tom Tromey <tromey@redhat.com>
1446 * doc/standards.texi (Standards): Don't mention treelang.
1447 * doc/invoke.texi (Overall Options): Don't mention treelang.
1448 * doc/install.texi (Prerequisites): Don't mention bison or
1450 (Configuration): Don't mention treelang.
1451 (Building): Likewise.
1452 * doc/frontends.texi (G++ and GCC): Don't mention treelang.
1454 2008-03-06 Paolo Bonzini <bonzini@gnu.org>
1456 * simplify-rtx.c (simplify_subreg): Remove useless shifts from
1457 word-extractions out of a multi-word object.
1459 2008-03-06 Richard Guenther <rguenther@suse.de>
1461 * tree.def (BIT_FIELD_REF): Constrain result type and its precision.
1462 * tree-cfg.c (verify_expr): Verify BIT_FIELD_REF constraints on
1463 result type and precision.
1464 * expr.c (get_inner_reference): Set unsignedp based on the result
1465 type of BIT_FIELD_REF.
1466 * tree.h (BIT_FIELD_REF_UNSIGNED): Remove.
1467 * tree-sra.c (instantiate_element): Do not set BIT_FIELD_REF_UNSIGNED.
1468 (try_instantiate_multiple_fields): Likewise. Use the correct type
1470 (sra_build_assignment): Likewise.
1471 (sra_build_elt_assignment): Likewise.
1472 (sra_explode_bitfield_assignment): Likewise.
1473 * print-tree.c (print_node): Do not check BIT_FIELD_REF_UNSIGNED.
1474 * tree-vect-transform.c (vect_create_epilog_for_reduction): Do not
1475 set BIT_FIELD_REF_UNSIGNED.
1476 (vectorizable_load): Likewise.
1478 2008-03-06 Andreas Krebbel <krebbel1@de.ibm.com>
1480 * cse.c (cse_extended_basic_block): Invalidate artificial defs
1483 2008-03-06 Richard Guenther <rguenther@suse.de>
1485 * alias.c (struct alias_set_entry): Move has_zero_child field
1486 to pack with alias_set.
1488 2008-03-05 H.J. Lu <hongjiu.lu@intel.com>
1490 * config/i386/i386-modes.def: Use 4 byte alignment on DI for
1493 2008-03-05 Ian Lance Taylor <iant@google.com>
1495 * alias.h (alias_set_type): Change from HOST_WIDE_INT to int.
1497 2008-03-05 Kenneth Zadeck <zadeck@naturalbridge.com>
1499 * fwprop.c (update_df): Support width and offset parameters of
1501 * ra-conflict.c (mark_reg_store, clear_reg_in_live,
1502 global_conflicts): Change DF_REF_EXTRACT to either
1503 DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT. Change
1504 DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
1505 * df-scan.c (df_ref_record, df_defs_record,
1506 df_ref_create_structure, df_def_record_1, df_uses_record,
1507 df_get_conditional_uses, df_get_call_refs, df_insn_refs_collect,
1508 df_bb_refs_collect, df_entry_block_defs_collect,
1509 df_exit_block_uses_collect): Support new width and offset fields.
1510 (ref_extract_pool): New storage pool.
1511 (df_free_ref): New function.
1512 (df_reg_chain_unlink, df_free_collection_rec,
1513 df_sort_and_compress_refs): Call df_free_ref.
1514 (df_ref_equal_p, df_ref_compare): Compare offset and width fields
1516 (df_ref_create_structure): Allocate df_ref_extract if offset and
1517 width fields are used.
1518 (df_def_record_1): Get offset and width from ZERO_EXTRACT.
1519 (df_uses_record): Get offset and width from ZERO_EXTRACT
1521 * global.c (build_insn_chain): Change DF_REF_EXTRACT to either
1522 DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT. Change
1523 DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
1524 * df.h (df_ref_flags): Change DF_REF_EXTRACT to either
1525 DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT. Change
1526 DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
1527 (df_ref_extract): New structure.
1528 (DF_REF_WIDTH, DF_REF_OFFSET): New macros.
1529 (df_ref_create): Add width and offset parameters.
1531 2008-03-05 Richard Guenther <rguenther@suse.de>
1533 * tree-ssa-structalias.c (get_constraint_for_component_ref):
1534 Use ranges_overlap_p.
1535 (offset_overlaps_with_access): Rename
1536 to ranges_overlap_p and move ...
1537 * tree-flow-inline.h (ranges_overlap_p): ... here.
1539 * tree.h (get_inner_reference, handled_component_p): Update
1542 * tree.h (record_component_aliases, get_alias_set,
1543 alias_sets_conflict_p, alias_sets_must_conflict_p,
1544 objects_must_conflict_p): Move declarations ...
1545 * alias.h (record_component_aliases, get_alias_set,
1546 alias_sets_conflict_p, alias_sets_must_conflict_p,
1547 objects_must_conflict_p): ... here.
1548 Include coretypes.h.
1549 * Makefile.in (ALIAS_H): Add coretypes.h dependency.
1551 2008-03-05 Aldy Hernandez <aldyh@redhat.com>
1553 * cfg.c: Include tree-flow.h.
1554 (remove_edge_raw): Call redirect_edge_var_map_clear.
1555 (redirect_edge_succ_nodup): Call redirect_edge_var_map_dup.
1556 * tree-flow-inline.h (redirect_edge_var_map_def): New.
1557 (redirect_edge_var_map_result): New.
1558 * tree-cfgcleanup.c (remove_forwarder_block_with_phi): Replace
1559 PENDING_STMT use with redirect_edge_var_map_*.
1560 * tree-ssa.c (edge_var_maps): New definition.
1561 (redirect_edge_var_map_add): New.
1562 (redirect_edge_var_map_clear): New.
1563 (redirect_edge_var_map_dup): New.
1564 (redirect_edge_var_map_vector): New.
1565 (redirect_edge_var_map_destroy): New.
1566 (ssa_redirect_edge): Replace PENDING_STMT use with
1567 redirect_edge_var_map_*.
1568 (flush_pending_stmts): Same.
1569 (delete_tree_ssa): Destroy edge var map.
1570 * tree-flow.h (struct _edge_var_map): New.
1571 Define edge_var_map vector type.
1572 Declare redirect_edge_var_map_* prototypes.
1573 * Makefile.in (cfg.o): Depend on TREE_FLOW_H.
1574 * tree-cfg.c (reinstall_phi_args): Replace
1575 PENDING_STMT use with redirect_edge_var_map_*.
1577 2008-03-05 Richard Guenther <rguenther@suse.de>
1579 PR tree-optimization/35472
1580 * tree-ssa-dse.c (dse_optimize_stmt): Do not delete a store
1581 whose single use_stmt has a overlapping set of loaded and
1582 stored symbols as that use_stmt might be a noop assignment then.
1584 2008-03-05 Joel Sherrill <joel.sherrill@oarcorp.com>
1586 * gthr-rtems.h: Implement __gthread_mutex_destroy.
1588 2008-03-05 Richard Guenther <rguenther@suse.de>
1591 * tree.def (BIT_FIELD_REF): Document that operands 1 and 2
1592 should be constants.
1593 * tree-cfg.c (verify_expr): Verify it.
1594 * fold-const.c (fold_truthop): Remove code generating
1595 BIT_FIELD_REFs of structure bases.
1596 (fold_binary): Likewise.
1597 (fold_ternary): Position and size of BIT_FIELD_REFs are
1598 always host integers.
1599 (make_bit_field_ref): Remove.
1600 (optimize_bit_field_compare): Remove.
1601 (all_ones_mask_p): Remove.
1603 2008-03-05 Gabor Loki <loki@gcc.gnu.org>
1606 * rtl-factoring.c (clear_regs_live_in_seq): Fix backward steps.
1607 (split_block_and_df_analyze): New. Split basic block and rebuild
1609 (block_label_after): Use SPLIT_BLOCK_AND_DF_ANALYZE instead of
1611 (split_pattern_seq): Likewise.
1612 (erase_matching_seqs): Likewise.
1613 (split_pattern_seq): Skip return insn in case of REG_NORETURN note.
1615 2008-03-04 Geoff Keating <geoffk@apple.com>
1617 * fold-const.c (tree_single_nonnegative_warnv_p): Fix mixed
1618 declaration and code.
1619 (tree_invalid_nonnegative_warnv_p): Likewise.
1621 2008-03-05 Serge Belyshev <belyshev@depni.sinp.msu.ru>
1623 * doc/install.texi (Testing): Correct quoting for the RUNTESTFLAGS
1624 examples. Truncate option-names then causing overfull hbox.
1626 2008-03-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1629 * configure.ac (CONFIG_SJLJ_EXCEPTIONS): Force SJLJ exceptions
1631 * configure: Rebuilt.
1633 2008-03-04 Rafael Espindola <espindola@google.com>
1635 * fold-const.c (tree_simple_nonnegative_warnv_p): New.
1636 (tree_unary_nonnegative_warnv_p): New.
1637 (tree_binary_nonnegative_warnv_p): New.
1638 (tree_single_nonnegative_warnv_p): New.
1639 (tree_invalid_nonnegative_warnv_p): New.
1640 (tree_expr_nonnegative_warnv_p): Redefine in term of the new functions.
1642 2008-03-04 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1645 * opts.c (handle_option): Postpone 'unknown option' errors only for
1648 2008-03-04 H.J. Lu <hongjiu.lu@intel.com>
1651 * config/i386/smmintrin.h (SIDD_XXX): Renamed to ...
1654 2008-03-04 Rafael Espindola <espindola@google.com>
1656 * fold-const.c (tree_unary_nonzero_warnv_p): New.
1657 (tree_binary_nonzero_warnv_p): New.
1658 (tree_single_nonzero_warnv_p): New.
1659 (tree_expr_nonzero_warnv_p): Redefine using the new functions.
1661 2008-03-04 Uros Bizjak <ubizjak@gmail.com>
1664 * fold-const.c (fold_cond_expr_with_comparison): Prevent
1665 transformations for modes that have signed zeros.
1666 * ifcvt.c (noce_try_abs): Ditto.
1668 2008-03-04 Joseph Myers <joseph@codesourcery.com>
1670 * config/i386/i386.c (override_options): Force
1671 -maccumulate-outgoing-args on if TARGET_STACK_PROBE.
1673 2008-03-04 Jan Hubicka <jh@suse.cz>
1676 * ipa-inline.c (cgraph_decide_inlining_of_small_function): Fix typo
1679 2008-03-04 Danny Smith <dannysmith@users.sourceforge.net>
1681 * config/i386/i386.md (allocate_stack_worker_32): Use __chkstk
1682 label to probe the stack.
1684 2008-03-04 Danny Smith <dannysmith@users.sourceforge.net>
1686 * gthr-win32.h [__GTHREAD_HIDE_WIN32API]
1687 (__gthr_win32_mutex_destroy): Declare.
1688 [__GTHREAD_HIDE_WIN32API] (__gthread_mutex_destroy): Use
1689 __gthr_win32_mutex_destroy.
1690 * config/i386/gthr-win32.c (__gthr_win32_mutex_destroy): Define.
1692 2008-03-03 Jan Hubicka <jh@suse.cz>
1695 * ipa-inline.c (cgraph_decide_inlining_of_small_function): Be more
1696 aggressive on inlining cold calls.
1698 2008-03-03 Richard Guenther <rguenther@suse.de>
1700 * tree-ssa-sccvn.c (visit_reference_op_store): Do not insert
1701 struct copies into the expression table.
1702 (simplify_unary_expression): Handle VIEW_CONVERT_EXPR.
1703 (try_to_simplify): Likewise.
1704 * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPR of
1705 integral and pointer arguments which do not change the
1706 precision to NOP_EXPRs.
1707 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Adjust
1708 VIEW_CONVERT_EXPR case.
1710 2008-03-02 Sebastian Pop <sebastian.pop@amd.com>
1712 * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
1713 defined in a loop at depth 0 is invariant.
1714 * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
1715 * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
1716 be called at loop depth 0.
1718 2008-03-02 Jakub Jelinek <jakub@redhat.com>
1721 * gcc.c (process_command): Update copyright notice dates.
1722 * gcov.c (print_version): Likewise.
1723 * gcov-dump.c (print_version): Likewise.
1724 * mips-tfile.c (main): Likewise.
1725 * mips-tdump.c (main): Likewise.
1727 2008-03-02 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1730 * c-common.c (flag_permissive): Delete.
1731 (constant_expression_warnings): Check flags first.
1732 (constant_expression_error): New.
1733 * c-common.h (flag_permissive): Delete.
1734 (constant_expression_error): Declare.
1735 * flags.h (flag_permissive): Declare. Update description.
1736 * diagnostic.c (pedwarn): Update.
1738 * diagnostic.h: (pedantic_error_kind): Rename as pedantic_warning_kind.
1739 (permissive_error_kind): New.
1740 * toplev.c (flag_permissive): Define. Update description.
1741 * toplev.h (permissive_error_kind): Declare.
1742 * c-errors.c (pedwarn_c99): Use pedantic_warning_kind.
1743 (pedwarn_c90): Use pedantic_warning_kind.
1744 * c-opts.c (c_common_post_options): flag_permissive does not affect
1745 flag_pedantic_errors.
1747 2008-03-02 Joseph Myers <joseph@codesourcery.com>
1749 * libgcc2.c (__addvSI3, __addvsi3, __addvDI3, __subvSI3,
1750 __subvsi3, __subvDI3, __negvSI2, __negvsi2, __negvDI2, __absvSI2,
1751 __absvsi2, __absvDI2): Use unsigned arithmetic.
1753 2008-03-02 Andi Kleen <ak@suse.de>
1754 Richard Guenther <rguenther@suse.de>
1756 * struct-equiv.c: Remove file.
1757 * cfg_cleanup.c (condjump_equiv_p): Remove.
1758 * Makefile.in (OBJS-common): Remove struct-equiv.o.
1759 (struct-equiv.o): Remove rule.
1760 * basic-block.h (struct_equiv_checkpoint, STRUCT_EQUIV_*,
1761 insns_match_p, struct_equiv_block_eq, struct_equiv_init,
1762 rtx_equiv_p, condjump_equiv_p): Remove prototypes.
1764 2008-03-01 Alexandre Oliva <aoliva@redhat.com>
1766 * ifcvt.c (noce_process_if_block): Try to handle only the then
1767 block if the else block exists but isn't suitable.
1769 2008-03-01 Janne Blomqvist <jb@gcc.gnu.org>
1772 * gthr-posix.h (__gthread_mutex_destroy): Remove extra declarations.
1773 * gthr-posix95.h (__gthread_mutex_destroy): Likewise. Note this fixes
1774 regression from previous patch.
1776 2008-03-01 Janne Blomqvist <jb@gcc.gnu.org>
1779 * gthr.h: Add __gthread_mutex_destroy as a function that must be
1781 * gthr-vxworks.h (__gthread_mutex_destroy): Null implementation.
1782 * gthr-single.h (__gthread_mutex_destroy): Likewise.
1783 * gthr-rtems.h (__gthread_mutex_destroy): Likewise.
1784 * gthr-mipssde.h (__gthread_mutex_destroy): Likewise.
1785 * gthr-nks.h (__gthread_mutex_destroy): Likewise.
1786 * gthr-solaris.h (__gthread_mutex_destroy): Call mutex_destroy.
1787 * gthr-win32.h (__GTHREAD_MUTEX_DESTROY_FUNCTION): Remove.
1788 (__gthread_mutex_destroy_function): Rename to
1789 __gthread_mutex_destroy.
1790 * gthr-dce.h (__gthread_mutex_destroy): Call
1791 pthread_mutex_destroy.
1792 * gthr-tpf.h (__gthread_mutex_destroy): Likewise.
1793 * gthr-posix.h (__gthread_mutex_destroy): Likewise.
1794 * gthr-posix95.h (__gthread_mutex_destroy): Likewise.
1796 2008-03-01 Alexandre Oliva <aoliva@redhat.com>
1798 * df-scan.c (df_ref_chain_change_bb): Simplify.
1799 (df_insn_change_bb): Add new_bb argument. Simplify. Call
1800 set_block_for_insn if there's any change.
1801 * df.h ((df_insn_change_bb): Fix prototype.
1802 * cfgrtl.c (update_bb_for_insn_chain): Pass bb to
1803 df_insn_change_bb, don't call set_block_for_insn.
1804 * emit-rtl.c (reorder_insns): Likewise.
1805 * haifa-sched.c (move_insn): Likewise.
1807 2008-03-01 Alexandre Oliva <aoliva@redhat.com>
1809 * rtlanal.c (loc_mentioned_in_p): Test XVECEXPs correctly.
1811 2008-03-01 Alexandre Oliva <aoliva@redhat.com>
1813 * tree-flow-inline.h (next_readonly_imm_use): Return
1814 NULL_USE_OPERAND_P after the end.
1816 2008-03-01 Richard Guenther <rguenther@suse.de>
1818 PR tree-optimization/35411
1819 * tree-sra.c (sra_build_assignment): Split conversion to
1820 final type to a separate statement if we are not assigning
1823 2008-02-29 Francois-Xavier Coudert <coudert@clipper.ens.fr>
1825 * fold-const.c (fold_convertible_p): Correct the logic to follow
1826 that in fold_convert().
1828 2008-02-29 Douglas Gregor <doug.gregor@gmail.com>
1831 * tree-inline.c (build_duplicate_type): When we make a
1832 duplicate type, make it unique in the canonical types system.
1834 2008-02-29 Tom Tromey <tromey@redhat.com>
1836 * toplev.c (input_file_stack, input_file_stack_tick, fs_p,
1837 input_file_stack_history, input_file_stack_restored): Remove.
1838 (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
1839 * input.h (struct file_stack): Remove.
1840 (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
1841 (input_file_stack, input_file_stack_tick, INPUT_FILE_STACK_BITS):
1843 * diagnostic.h (struct diagnostic_context) <last_module>: Change
1845 (diagnostic_last_module_changed): Add 'map' argument.
1846 (diagnostic_set_last_function): Likewise.
1847 * diagnostic.c (undiagnostic_report_current_module): Iterate using
1848 line map, not input_file_stack.
1849 * c-lex.c (fe_file_change): Don't use push_srcloc or pop_srcloc.
1851 2008-02-29 Paul Brook <paul@codesourcery.com>
1853 * config/arm/arm.md (arm_addsi3): Add r/k/n alternative.
1855 2008-02-29 Paul Brook <paul@codesourcery.com>
1857 * config/arm/ieee754-df.S (muldf3): Use RET macros.
1859 2008-02-29 Richard Guenther <rguenther@suse.de>
1861 * tree-ssa-pre.c (get_sccvn_value): Create missing VNs via
1863 * tree-ssa-sccnv.c (visit_reference_op_store): Use the rhs
1864 value for comparing for a store match.
1865 (simplify_unary_expression): Do nothing for SSA_NAMEs.
1866 (try_to_simplify): Do not do a full-blown reference lookup.
1868 2008-02-29 Kaz Kojima <kkojima@gcc.gnu.org>
1870 * config/sh/sh.c (sh_scalar_mode_supported_p): New function.
1871 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
1873 * config/sh/sh.h (OVERRIDE_OPTIONS): Don't warn for profiling.
1875 2008-02-29 Sebastian Pop <sebastian.pop@amd.com>
1877 * tree-loop-linear.c (try_interchange_loops): Compare memory access
1878 strides against cache sizes.
1880 2008-02-29 Kaz Kojima <kkojima@gcc.gnu.org>
1882 * config/sh/sh.c (sh_secondary_reload): Handle loading a float
1885 2008-02-28 Richard Sandiford <rsandifo@nildram.co.uk>
1887 * simplify-rtx.c (simplify_unary_operation_1): Extend the handling
1888 of SUBREG_PROMOTED_VAR_P to cope with cases where the extended value
1889 is smaller than the original promoted value.
1890 (simplify_subreg): If OP is a SUBREG, try to preserve its
1891 SUBREG_PROMOTED_VAR_P information.
1893 2008-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
1895 * tree-ssa-sccvn (vn_ssa_aux_obstack): New obstack.
1896 (VN_INFO_GET): Allocate new objects on the obstack.
1897 (init_scc_vn): Initialize the obstack. Use XDELETE instead of free
1898 for rpo_numbers_temp, for consistency.
1899 (free_scc_vn): Free the obstack.
1901 2008-02-28 Sebastian Pop <sebastian.pop@amd.com>
1903 * doc/invoke.texi: Document -ftree-loop-distribution.
1904 * tree-loop-distribution.c: New.
1905 * tree-pass.h (pass_loop_distribution): New.
1906 * graphds.h (struct graph): Add htab_t indices.
1907 * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
1908 * tree-vectorizer.c (rename_variables_in_loop): Extern.
1909 (slpeel_tree_duplicate_loop_to_edge_cfg): Init PENDING_STMT to NULL.
1910 * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
1911 * tree-data-ref.c (debug_data_dependence_relations): New.
1912 (dump_data_dependence_relation): Also print data references.
1913 (free_data_ref): Extern.
1914 (same_access_functions): Moved...
1915 (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
1916 (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
1917 debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
1918 struct rdg_vertex_info, rdg_vertex_for_stmt): New.
1919 (create_rdg_edge_for_ddr, create_rdg_vertices): Cleaned up.
1920 (stmts_from_loop): Skip LABEL_EXPR.
1921 (hash_stmt_vertex_info, eq_stmt_vertex_info, hash_stmt_vertex_del):
1923 (build_rdg): Initialize rdg->indices htab.
1924 (free_rdg, stores_from_loop, ref_base_address,
1925 rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
1926 have_similar_memory_accesses_1, ref_base_address_1,
1927 remove_similar_memory_refs): New.
1928 * tree-data-ref.h: Depend on tree-chrec.h.
1929 (debug_data_dependence_relations, free_data_ref): Declared.
1930 (same_access_functions): ... here.
1931 (ddr_is_anti_dependent, ddrs_have_anti_deps, ddr_dependence_level):
1933 (struct rdg_vertex): Add has_mem_write and has_mem_reads.
1934 (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT,
1935 RDG_MEM_WRITE_STMT, RDG_MEM_READS_STMT): New.
1936 (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
1937 debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
1938 rdg_vertex_for_stmt): Declared.
1939 (struct rdg_edge): Add level.
1941 (free_rdg, stores_from_loop, remove_similar_memory_refs,
1942 rdg_defs_used_in_other_loops_p, have_similar_memory_accesses):
1944 (rdg_has_similar_memory_accesses): New.
1945 * tree-vect-analyze.c: Remove unused static decls.
1946 * lambda.h (dependence_level): New.
1947 * common.opt (ftree-loop-distribution): New.
1948 * tree-flow.h (mark_virtual_ops_in_bb,
1949 slpeel_tree_duplicate_loop_to_edge_cfg,
1950 rename_variables_in_loop): Declared.
1951 * Makefile.in (TREE_DATA_REF_H): Depend on tree-chrec.h.
1952 (OBJS-common): Add tree-loop-distribution.o.
1953 (tree-loop-distribution.o): New rule.
1954 * tree-cfg.c (mark_virtual_ops_in_bb): New.
1955 (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
1956 * passes.c (init_optimization_passes): Schedule pass_loop_distribution.
1958 2008-02-28 Joseph Myers <joseph@codesourcery.com>
1961 * tree.c (handle_dll_attribute): Disallow TYPE_DECLs for types
1962 other than structures and unions.
1964 2008-02-28 Richard Guenther <rguenther@suse.de>
1967 2008-02-26 Richard Guenther <rguenther@suse.de>
1969 * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
1970 * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
1971 (lookup_decl_from_uid): Declare.
1972 (remove_decl_from_map): Likewise.
1973 * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
1974 * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
1975 (decl_for_uid_map): New global hashtable mapping DECL_UID
1977 (init_ttree): Allocate it.
1978 (insert_decl_to_uid_decl_map): New helper function.
1979 (make_node_stat): Insert new decls into the map.
1980 (copy_node_stat): Likewise.
1981 (lookup_decl_from_uid): New function.
1982 (remove_decl_from_map): Likewise.
1983 (print_decl_for_uid_map_statistics): New helper.
1984 (dump_tree_statistics): Call it.
1986 * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
1987 (referenced_var_iterator): Adjust.
1988 (FOR_EACH_REFERENCED_VAR): Adjust.
1989 (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
1990 (num_referenced_vars): Adjust.
1991 * tree-flow-inline.h (gimple_referenced_vars): Adjust.
1992 (first_referenced_var): Remove.
1993 (end_referenced_vars_p): Likewise.
1994 (next_referenced_var): Likewise.
1995 (referenced_var_iterator_set): New helper function.
1996 * tree-dfa.c (referenced_var_lookup): Adjust.
1997 (referenced_var_check_and_insert): Likewise.
1998 (remove_referenced_var): Likewise.
1999 * tree-ssa.c (verify_flow_insensitive_alias_info): Use
2000 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2001 (verify_call_clobbering): Likewise.
2002 (verify_memory_partitions): Likewise.
2003 (init_tree_ssa): Allocate bitmap instead of hashtable for
2005 (delete_tree_ssa): Adjust.
2006 * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
2007 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2008 (compute_tag_properties): Likewise.
2009 (set_initial_properties): Likewise.
2010 (find_partition_for): Likewise.
2011 (update_reference_counts): Likewise.
2012 (dump_may_aliases_for): Likewise.
2013 * tree-ssa-operands.c (add_virtual_operand): Likewise.
2014 (add_call_clobber_ops): Likewise.
2015 (add_call_read_ops): Likewise.
2016 (get_asm_expr_operands): Likewise.
2017 * tree-into-ssa.c (dump_decl_set): Likewise.
2018 (update_ssa): Likewise.
2019 * tree-sra.c (scan_function): Likewise.
2020 (decide_instantiations): Likewise.
2021 (scalarize_parms): Likewise.
2022 * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
2023 (dsa_named_for): Likewise.
2024 * tree-ssa-structalias.c (update_alias_info): Likewise.
2025 (merge_smts_into): Likewise.
2027 2008-02-27 David Daney <ddaney@avtrex.com>
2030 * config/mips/iris.h (MIPS_DEBUGGING_INFO): Define.
2031 * config/mips/openbsd.h (MIPS_DEBUGGING_INFO): Same.
2032 * config/mips/sde.h (MIPS_DEBUGGING_INFO): Remove undef.
2033 * config/mips/vxworks.h (MIPS_DEBUGGING_INFO): Same.
2034 * config/mips/mips.h (MIPS_DEBUGGING_INFO): Remove define.
2036 2008-02-27 Uros Bizjak <ubizjak@gmail.com>
2039 * config/darwin-ppc-ldouble-patch.def (BUILT_IN_NANL): Add.
2040 (BUILT_IN_NEXTTOWARD): Remove.
2041 (BUILT_IN_NEXTTOWARDF): Ditto.
2042 * config/darwin.c (darwin_patch_builtin): Use ACONCAT instead of
2043 alloca/strcpy/strcat. Remove commented-out code. Fix whitespace.
2045 2008-02-27 Tom Tromey <tromey@redhat.com>
2047 * tree-dump.c (dequeue_and_dump) <FUNCTION_DECL>: Check
2048 DECL_SAVED_TREE, not DECL_LANG_SPECIFIC, when dumping body.
2050 2008-02-27 Jan Beulich <jbeulich@novell.com>
2052 * c-decl.c (merge_decls): Use DECL_USER_ALIGN() on olddecl to
2053 update the respective field on newdecl.
2055 2008-02-27 Revital Eres <eres@il.ibm.com>
2057 PR rtl-optimization/34999
2058 * bb-reorder.c (add_labels_and_missing_jumps): Do not handle
2059 crossing edges that ends with a call insn.
2060 (fix_up_fall_thru_edges): Handle crossing edges that ends with a
2061 call insn and clear the EDGE_CROSSING flag of the crossing edge
2062 when fixing fallthru edges.
2064 2008-02-27 Richard Guenther <rguenther@suse.de>
2067 * fold-const.c (fold_unary): Return the correct argument,
2068 converted to the result type.
2070 2008-02-27 Richard Guenther <rguenther@suse.de>
2073 * expr.c (expand_expr_real_1): Assert on rotates that operate
2075 * fold-const.c (fold_binary): Use the types precision, not the
2076 bitsize of the mode if folding rotate expressions. Build rotates
2077 only for full modes.
2079 2008-02-27 Jakub Jelinek <jakub@redhat.com>
2081 * c-ppoutput.c (scan_translation_unit): Handle CPP_PRAGMA
2083 * c-pragma.c (pragma_ns_name): New typedef.
2084 (registered_pp_pragmas): New variable.
2085 (c_pp_lookup_pragma): New function.
2086 (c_register_pragma_1): If flag_preprocess_only, do nothing
2087 for non-expanded pragmas, for expanded ones push pragma's
2088 namespace and name into registered_pp_pragmas vector.
2089 (c_invoke_pragma_handler): Register OpenMP pragmas even when
2090 flag_preprocess_only, don't register GCC pch_preprocess
2091 pragma if flag_preprocess_only.
2092 * c-opts.c (c_common_init): Call init_pragma even if
2093 flag_preprocess_only.
2094 * c-pragma.c (c_pp_lookup_pragma): New prototype.
2095 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS): Don't call
2096 cpp_register_pragma if flag_preprocess_only.
2098 2008-02-26 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2101 * c-parser.c (c_parser_translation_unit): Warn for empty
2102 translation unit, not empty source file.
2104 2008-02-26 Paul Brook <paul@codesourcery.com>
2106 * config/arm/arm.c (thumb_set_frame_pointer): Ensure SP is first
2107 operand for Thumb-2.
2108 * config/arm/arm.h (reg_class): Add CORE_REGS.
2109 (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Ditto.
2110 (BASE_REG_CLASS): Use CORE_REGS.
2111 (PREFERRED_RELOAD_CLASS): Add STACK_REG.
2112 (REGNO_MODE_OK_FOR_REG_BASE_P): Use REGNO_MODE_OK_FOR_BASE_P.
2113 (REGNO_OK_FOR_INDEX_P): Exclude SP.
2114 (ARM_REG_OK_FOR_INDEX_P): Always define. Use
2115 ARM_REGNO_OK_FOR_INDEX_P.
2116 (ARM_PRINT_OPERAND_ADDRESS): Swap operands for [reg, sp].
2117 * config/arm/arm.md (arm_addsi3, thumb1_addsi3, arm_subsi3_insn,
2118 arm_movsi_insn, thumb1_movsi_insni, stack_tie): Add "k" alternatives.
2119 (ldm/stm peepholes): Ditto.
2120 * config/arm/thumb2.md (thumb2_movdi): Add "k" alternatives.
2121 * config/arm/vfp.md (arm_movsi_vfp, thumb2_movsi_vfp): Ditto.
2122 * config/arm/iwmmxt.md (iwmmxt_movsi_insn): Ditto.
2123 * config/arm/constraints.md: Enable "k" constraint on ARM.
2125 2008-02-27 Ben Elliston <bje@au.ibm.com>
2127 * config/rs6000/rs6000.c: Annotate cache line size field in all
2128 instances of struct processor_costs.
2130 2008-02-26 David Edelsohn <edelsohn@gnu.org>
2132 * dbgcnt.def (cfg_cleanup, cprop1, cprop2, dce_fast, dce_ud, dse1,
2133 dse2, gcse, if_conversion, if_after_combine, if_after_reload,
2134 jump_bypass): New counters.
2135 * cfgcleanup.c (cleanup_cfg): Add dbg_cnt.
2136 * dce.c (gate_ud_dce): Same.
2137 (gate_fast_dce): Same.
2138 * dse.c (gate_dse1): New function.
2139 (gate_dse2): New function.
2140 (gate_dse): Merge results of new gate functions.
2141 * gcse.c (gcse_main): Bracket cprop1 and cprop2 with dbg_cnt.
2142 (gate_handle_jump_bypass): Add dbg_cnt.
2143 (gate_handle_gcse): Add dbg_cnt.
2144 * ifcvt.c (gate_handle_if_conversion): Same.
2145 (gate_handle_if_after_combine): Same.
2146 (gate_handle_if_after_reload): Same.
2147 * Makefile.in: Add DBGCNT_H to cfgcleanup.o and ifcvt.o.
2149 2008-02-26 Edmar Wienskoski <edmar@freescale.com>
2151 * config/rs6000/rs6000.c (processor_costs): Update e300 cache
2153 * doc/invoke.texi: Add e300c2 and e300c3 to list of cpus.
2155 2008-02-26 Jason Merrill <jason@redhat.com>
2158 * attribs.c (decl_attributes): Leave ATTR_FLAG_TYPE_IN_PLACE
2159 alone if it's the naming decl for the type's main variant.
2161 2008-02-26 Tom Tromey <tromey@redhat.com>
2163 * system.h (USE_MAPPED_LOCATION): Poison.
2164 * Makefile.in (GTFILES): Put CPP_ID_DATA_H first.
2165 * tree-cfg.c (make_cond_expr_edges): Remove old location code.
2166 (make_goto_expr_edges): Likewise.
2167 (remove_bb): Likewise.
2168 (execute_warn_function_return): Likewise.
2169 * basic-block.h (struct edge_def) <goto_locus>: Change type to
2171 * c-common.c (fname_decl): Remove old location code.
2172 * tree-vect-transform.c (vect_finish_stmt_generation): Remove old
2174 * rtl.h (ASM_OPERANDS_SOURCE_LOCATION): Remove old-location
2176 (ASM_INPUT_SOURCE_LOCATION): Likewise.
2177 (gen_rtx_ASM_INPUT): Likewise.
2178 (gen_rtx_ASM_INPUT_loc): Likewise.
2179 (get_rtx_asm_OPERANDS): Remove.
2180 * cfglayout.c (insn_locators_alloc): Remove old location code.
2181 (set_curr_insn_source_location): Likewise.
2182 (curr_insn_locator): Likewise.
2183 * print-tree.c (print_node): Remove old location code.
2184 * tree-mudflap.c (mf_varname_tree): Remove old location code.
2185 (mf_file_function_line_tree): Remove test of USE_MAPPED_LOCATION.
2186 * cfgexpand.c (expand_gimple_cond_expr): Don't use
2187 location_from_locus.
2188 (construct_exit_block): Remove old location code.
2189 * emit-rtl.c (force_next_line_note): Remove old location code.
2190 * profile.c (branch_prob): Remove old location code.
2191 * tree-vectorizer.h (LOC, UNKNOWN_LOC, EXPR_LOC, LOC_FILE,
2192 LOC_LINE): Remove old-location variants.
2193 * langhooks.c (lhd_print_error_function): Remove old location
2195 * configure, config.in: Rebuilt.
2196 * configure.ac (--enable-mapped-location): Remove.
2197 * c-decl.c (c_init_decl_processing): Remove old location code.
2198 (finish_function): Likewise.
2199 * recog.c (decode_asm_operands): Remove old location code.
2200 * c-pch.c (c_common_read_pch): Remove old location code.
2201 * rtl.def (ASM_INPUT, ASM_OPERANDS): Remove old location
2203 * gimple-low.c (lower_function_body): Remove old location code.
2204 * toplev.c (unknown_location): Remove.
2205 (push_srcloc): Remove old-location variant.
2206 (process_options): Remove old location code.
2207 (lang_dependent_init): Likewise.
2208 * input.h (UNKNOWN_LOCATION): Move definition.
2209 (location_t): Undeprecate.
2210 (source_locus): Remove.
2211 (location_from_locus): Remove.
2212 (struct location_s): Remove.
2213 Remove all old-location code.
2214 (input_line, input_filename): Remove.
2215 * final.c (final_scan_insn): Remove old location code.
2216 * diagnostic.c (diagnostic_build_prefix): Remove
2217 USE_MAPPED_LOCATION test.
2218 * tree.h (gimple_stmt) <locus>: Now a location_t.
2219 (tree_exp) <locus>: Likewise.
2220 (DECL_IS_BUILTIN): Remove old-location variant.
2221 (annotate_with_file_line, annotate_with_locus): Likewise.
2222 (expr_locus, set_expr_locus): Update.
2223 * tree.c (build1_stat): Remove old location code.
2224 (last_annotated_node): Remove.
2225 (annotate_with_file_line): Remove old-location variant.
2226 (annotate_with_locus): Likewise.
2227 (expr_location): Remove old location code.
2228 (set_expr_location): Likewise.
2229 (expr_has_location): Likewise.
2230 (expr_locus): Likewise.
2231 (set_expr_locus): Likewise.
2232 (expr_filename): Don't use location_from_locus.
2233 (expr_lineno): Likewise.
2234 * rtl-error.c (location_for_asm): Remove old location code.
2235 * c-lex.c (cb_line_change): Remove old location code.
2236 (fe_file_change): Likewise.
2237 (cb_def_pragma): Likewise.
2238 (c_lex_with_flags): Likewise.
2239 * gengtype.c (do_typedef): Don't special-case location types.
2240 (define_location_structures): Remove.
2241 (main): Don't call define_location_structures.
2242 * tree-pretty-print.c (dump_implicit_edges): Remove old location
2245 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2248 * builtins.def (BUILT_IN_STDARG_START): Remove.
2249 * builtins.c (expand_builtin): Remove BUILT_IN_STDARG_START.
2250 * tree-stdarg.c (execute_optimize_stdarg): Likewise.
2251 * tree-inline.c (inline_forbidden_p_1): Likewise.
2253 2008-02-26 Richard Guenther <rguenther@suse.de>
2255 * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
2256 * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
2257 (lookup_decl_from_uid): Declare.
2258 (remove_decl_from_map): Likewise.
2259 * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
2260 * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
2261 (decl_for_uid_map): New global hashtable mapping DECL_UID
2263 (init_ttree): Allocate it.
2264 (insert_decl_to_uid_decl_map): New helper function.
2265 (make_node_stat): Insert new decls into the map.
2266 (copy_node_stat): Likewise.
2267 (lookup_decl_from_uid): New function.
2268 (remove_decl_from_map): Likewise.
2269 (print_decl_for_uid_map_statistics): New helper.
2270 (dump_tree_statistics): Call it.
2272 * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
2273 (referenced_var_iterator): Adjust.
2274 (FOR_EACH_REFERENCED_VAR): Adjust.
2275 (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
2276 (num_referenced_vars): Adjust.
2277 * tree-flow-inline.h (gimple_referenced_vars): Adjust.
2278 (first_referenced_var): Remove.
2279 (end_referenced_vars_p): Likewise.
2280 (next_referenced_var): Likewise.
2281 (referenced_var_iterator_set): New helper function.
2282 * tree-dfa.c (referenced_var_lookup): Adjust.
2283 (referenced_var_check_and_insert): Likewise.
2284 (remove_referenced_var): Likewise.
2285 * tree-ssa.c (verify_flow_insensitive_alias_info): Use
2286 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2287 (verify_call_clobbering): Likewise.
2288 (verify_memory_partitions): Likewise.
2289 (init_tree_ssa): Allocate bitmap instead of hashtable for
2291 (delete_tree_ssa): Adjust.
2292 * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
2293 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2294 (compute_tag_properties): Likewise.
2295 (set_initial_properties): Likewise.
2296 (find_partition_for): Likewise.
2297 (update_reference_counts): Likewise.
2298 (dump_may_aliases_for): Likewise.
2299 * tree-ssa-operands.c (add_virtual_operand): Likewise.
2300 (add_call_clobber_ops): Likewise.
2301 (add_call_read_ops): Likewise.
2302 (get_asm_expr_operands): Likewise.
2303 * tree-into-ssa.c (dump_decl_set): Likewise.
2304 (update_ssa): Likewise.
2305 * tree-sra.c (scan_function): Likewise.
2306 (decide_instantiations): Likewise.
2307 (scalarize_parms): Likewise.
2308 * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
2309 (dsa_named_for): Likewise.
2310 * tree-ssa-structalias.c (update_alias_info): Likewise.
2311 (merge_smts_into): Likewise.
2313 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2316 * doc/invoke.texi (-Wall): Add -Wvolatile-register-var.
2317 * c-opts.c (c_common_handle_option): Wall enables
2318 Wvolatile-register-var.
2319 * common.opt: Move Wvolatile-register-var to...
2322 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2324 * common.opt (Wlarger-than=): New.
2325 * doc/invoke.texi (Warning Options): Replace -Wlarger-than- with
2327 * opts.c (common_handle_option): Handle -Wlarger-than=.
2328 * optc-gen.awk: Likewise.
2329 * opth-gen.awk: Likewise.
2330 * stor-layout.c (layout_decl): Use -Wlarger-than= for warning.
2331 * tree-optimize.c (tree_rest_of_compilation): Likewise.
2333 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2335 * c-common.c (match_case_to_enum_1): Add appropriate
2336 OPT_W* parameter to warning.
2337 (c_do_switch_warnings): Likewise.
2338 * c-typeck.c (warning_init): Add one more parameter following
2340 (push_init_level): Update call to warning_init.
2341 (pop_init_level): Likewise.
2342 (add_pending_init): Likewise.
2343 (output_init_element: Likewise.
2345 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2348 * toplev.c (toplev_main): If there are warnings or error, print
2349 errors for ignored options.
2350 * opts.c (ignored_options): New static variable.
2351 (postpone_unknown_option_error): New.
2352 (print_ignored_options): New.
2353 (handle_option): Postpone errors for unknown -Wno-* options.
2354 * opts.h (print_ignored_options): Declare.
2356 2008-02-25 Richard Sandiford <rsandifo@nildram.co.uk>
2358 * config/mips/mips.md (loadgp_blockage, blockage): Change type
2361 2008-02-25 Richard Guenther <rguenther@suse.de>
2364 2008-02-25 Richard Guenther <rguenther@suse.de>
2366 * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
2367 * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
2368 (lookup_decl_from_uid): Declare.
2369 * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
2370 * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
2371 (decl_for_uid_map): New global hashtable mapping DECL_UID
2373 (init_ttree): Allocate it.
2374 (insert_decl_to_uid_decl_map): New helper function.
2375 (make_node_stat): Insert new decls into the map.
2376 (copy_node_stat): Likewise.
2377 (lookup_decl_from_uid): New function.
2378 (print_decl_for_uid_map_statistics): New helper.
2379 (dump_tree_statistics): Call it.
2381 * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
2382 (referenced_var_iterator): Adjust.
2383 (FOR_EACH_REFERENCED_VAR): Adjust.
2384 (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
2385 (num_referenced_vars): Adjust.
2386 * tree-flow-inline.h (gimple_referenced_vars): Adjust.
2387 (first_referenced_var): Remove.
2388 (end_referenced_vars_p): Likewise.
2389 (next_referenced_var): Likewise.
2390 (referenced_var_iterator_set): New helper function.
2391 * tree-dfa.c (referenced_var_lookup): Adjust.
2392 (referenced_var_check_and_insert): Likewise.
2393 (remove_referenced_var): Likewise.
2394 * tree-ssa.c (verify_flow_insensitive_alias_info): Use
2395 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2396 (verify_call_clobbering): Likewise.
2397 (verify_memory_partitions): Likewise.
2398 (init_tree_ssa): Allocate bitmap instead of hashtable for
2400 (delete_tree_ssa): Adjust.
2401 * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
2402 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2403 (compute_tag_properties): Likewise.
2404 (set_initial_properties): Likewise.
2405 (find_partition_for): Likewise.
2406 (update_reference_counts): Likewise.
2407 (dump_may_aliases_for): Likewise.
2408 * tree-ssa-operands.c (add_virtual_operand): Likewise.
2409 (add_call_clobber_ops): Likewise.
2410 (add_call_read_ops): Likewise.
2411 (get_asm_expr_operands): Likewise.
2412 * tree-into-ssa.c (dump_decl_set): Likewise.
2413 (update_ssa): Likewise.
2414 * tree-sra.c (scan_function): Likewise.
2415 (decide_instantiations): Likewise.
2416 (scalarize_parms): Likewise.
2417 * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
2418 (dsa_named_for): Likewise.
2419 * tree-ssa-structalias.c (update_alias_info): Likewise.
2420 (merge_smts_into): Likewise.
2422 2008-02-25 Janne Blomqvist <jb@gcc.gnu.org>
2425 * doc/invoke.texi (-fcx-limited-range): Document new option.
2426 * toplev.c (process_options): Handle -fcx-fortran-rules.
2427 * common.opt: Add documentation for -fcx-fortran-rules.
2429 2008-02-25 Janne Blomqvist <jb@gcc.gnu.org>
2432 * doc/invoke.texi (-fcx-limited-range): Correct to be in line with
2433 actual behaviour and C99.
2435 2008-02-26 Ben Elliston <bje@au.ibm.com>
2437 * config/rs6000/rs6000.h (ASM_CPU_POWER5_SPEC): Define.
2438 (ASM_CPU_POWER6_SPEC): Likewise.
2439 (ASM_CPU_SPEC): Pass %(asm_cpu_power5) for -mcpu=power5.
2440 Likewise, pass %(asm_cpu_power6) for -mcpu=power6.
2441 (EXTRA_SPECS): Add asm_cpu_power5, asm_cpu_power6 spec strings.
2443 2008-02-25 Richard Guenther <rguenther@suse.de>
2445 * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
2446 * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
2447 (lookup_decl_from_uid): Declare.
2448 * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
2449 * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
2450 (decl_for_uid_map): New global hashtable mapping DECL_UID
2452 (init_ttree): Allocate it.
2453 (insert_decl_to_uid_decl_map): New helper function.
2454 (make_node_stat): Insert new decls into the map.
2455 (copy_node_stat): Likewise.
2456 (lookup_decl_from_uid): New function.
2457 (print_decl_for_uid_map_statistics): New helper.
2458 (dump_tree_statistics): Call it.
2460 * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
2461 (referenced_var_iterator): Adjust.
2462 (FOR_EACH_REFERENCED_VAR): Adjust.
2463 (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
2464 (num_referenced_vars): Adjust.
2465 * tree-flow-inline.h (gimple_referenced_vars): Adjust.
2466 (first_referenced_var): Remove.
2467 (end_referenced_vars_p): Likewise.
2468 (next_referenced_var): Likewise.
2469 (referenced_var_iterator_set): New helper function.
2470 * tree-dfa.c (referenced_var_lookup): Adjust.
2471 (referenced_var_check_and_insert): Likewise.
2472 (remove_referenced_var): Likewise.
2473 * tree-ssa.c (verify_flow_insensitive_alias_info): Use
2474 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2475 (verify_call_clobbering): Likewise.
2476 (verify_memory_partitions): Likewise.
2477 (init_tree_ssa): Allocate bitmap instead of hashtable for
2479 (delete_tree_ssa): Adjust.
2480 * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
2481 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2482 (compute_tag_properties): Likewise.
2483 (set_initial_properties): Likewise.
2484 (find_partition_for): Likewise.
2485 (update_reference_counts): Likewise.
2486 (dump_may_aliases_for): Likewise.
2487 * tree-ssa-operands.c (add_virtual_operand): Likewise.
2488 (add_call_clobber_ops): Likewise.
2489 (add_call_read_ops): Likewise.
2490 (get_asm_expr_operands): Likewise.
2491 * tree-into-ssa.c (dump_decl_set): Likewise.
2492 (update_ssa): Likewise.
2493 * tree-sra.c (scan_function): Likewise.
2494 (decide_instantiations): Likewise.
2495 (scalarize_parms): Likewise.
2496 * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
2497 (dsa_named_for): Likewise.
2498 * tree-ssa-structalias.c (update_alias_info): Likewise.
2499 (merge_smts_into): Likewise.
2501 2008-02-25 Andreas Krebbel <krebbel1@de.ibm.com>
2504 * cse.c (cse_insn): Avoid creation of overlapping MEMs.
2505 * alias.c (nonoverlapping_memrefs_p): Export for use in other modules.
2506 * alias.h (nonoverlapping_memrefs_p): Likewise.
2508 2008-02-25 Jan Beulich <jbeulich@novell.com>
2510 * Makefile.in: Also prefix uses of crt0.o and mcrt0.o with $(T).
2511 * config/i386/netware-libgcc.exp: Add __bswap?i2,
2512 __emultls_get_address, __emultls_register_common,
2513 __floatundi?f, and _Unwind_GetIPInfo.
2514 * config/i386/netware.c (gen_stdcall_or_fastcall_decoration):
2515 Sync with config/i386/winnt.c:gen_stdcall_or_fastcall_suffix().
2516 (gen_regparm_prefix): Likewise.
2517 (i386_nlm_encode_section_info): Sync with
2518 config/i386/winnt.c:i386_pe_encode_section_info().
2519 (i386_nlm_maybe_mangle_decl_assembler_name): New.
2520 i386_nlm_mangle_decl_assembler_name): New.
2521 (netware_override_options): New.
2522 * config/i386/netware.h (netware_override_options): Declare.
2523 (OVERRIDE_OPTIONS): Re-define to netware_override_options.
2524 (i386_nlm_mangle_decl_assembler_name): Declare.
2525 (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Define.
2527 2008-02-25 Ben Elliston <bje@au.ibm.com>
2530 * c-decl.c (grokdeclarator): Remove unused local variables
2531 `typedef_type' and `type_as_written'.
2533 (find_rarely_executed_basic_blocks_and_crossing_edges): Remove
2534 unused local variable `has_hot_blocks'.
2535 (fix_crossing_conditional_branches): Remove unused local variable
2538 2008-02-25 Uros Bizjak <ubizjak@gmail.com>
2541 * builtins.def (BUILT_IN_NAN): Define as c99 builtin
2542 using DEF_C99_BUILTIN.
2543 (BUILT_IN_NANF): Ditto.
2544 (BUILT_IN_NANL): Ditto.
2546 2008-02-25 Ayal Zaks <zaks@il.ibm.com>
2547 Revital Eres <eres@il.ibm.com>
2549 * modulo-sched.c (calculate_must_precede_follow): Address TODO
2550 regarding the order of two dependent insns in the same row.
2552 2008-02-25 Eric Botcazou <ebotcazou@adacore.com>
2554 * stor-layout.c (layout_decl): Do not bump the alignment of a
2555 bit-field to more than byte alignment if it is packed.
2557 2008-02-24 David Edelsohn <edelsohn@gnu.org>
2559 * config/rs6000/rs6000.c (processor_costs): Add cache costs for
2562 2008-02-24 Diego Novillo <dnovillo@google.com>
2564 http://gcc.gnu.org/ml/gcc-patches/2008-02/msg01094.html
2567 * tree-vrp.c (vrp_evaluate_conditional): With
2568 -Wtype-limits, emit a warning when comparing against a
2569 constant outside the natural range of OP0's type.
2570 * c.opt (Wtype-limits): Move ...
2571 * common.opt (Wtype-limits): ... here.
2573 2008-02-24 Edmar Wienskoski <edmar@freescale.com>
2575 * config.gcc (powerpc*-*-*): Add new cores e300c2 and e300c3.
2576 * config/rs6000/e300c2c3.md: New file.
2577 * config/rs6000/rs6000.c (processor_costs): Add new costs for
2579 (rs6000_override_options): Add e300c2 and e300c3 cases to
2580 processor_target_table. Do not allow usage of Altivec or Spe
2581 with e300 cores. Initialize rs6000_cost for e300c2 and e300c3.
2582 (rs6000_issue_rate): Set issue rate for e300c2 and e300c3.
2583 * config/rs6000/rs6000.h (processor_type): Add
2584 PROCESSOR_PPCE300C2 and PROCESSOR_PPCE300C3.
2585 (ASM_CPU_SPEC): Add e300c2 and e300c3.
2586 * config/rs6000/rs6000.md (define_attr "cpu"): Add ppce300c2
2587 and ppce300c3. Include e300c2c3.md.
2589 2008-02-23 David Edelsohn <edelsohn@gnu.org>
2591 * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Use STRICT_ALIGNMENT
2592 instead of TARGET_STRICT_ALIGN.
2594 2008-02-23 Joseph Myers <joseph@codesourcery.com>
2596 * explow.c (memory_address): Assert that the generated address is
2599 2008-02-23 Francois-Xavier Coudert <coudert@clipper.ens.fr>
2602 * config/darwin-protos.h: Add darwin_patch_builtins prototype.
2603 * config/darwin-ppc-ldouble-patch.def: New file.
2604 * config/rs6000/darwin.h (SUBTARGET_INIT_BUILTINS): New macro.
2605 * config/rs6000/rs6000.c (rs6000_init_builtins): Call
2606 SUBTARGET_INIT_BUILTINS if defined.
2607 * config/darwin.c (darwin_patch_builtin, darwin_patch_builtins):
2610 2008-02-23 Andrew Pinski <andrew_pinski@playstation.sony.com>
2613 * simplify-rtx.c (simplify_binary_operation_1): Add simplification
2614 of (and X (ior (not X) Y) and (and (ior (not X) Y) X).
2616 2008-02-23 Andrew Pinski <andrew_pinski@playstation.sony.com>
2619 * c-pch.c (c_common_valid_pch): Make the "too short to be a PCH
2620 file" warning condtional on -Winvalid-PCH.
2622 2008-02-23 Daniel Jacobowitz <dan@codesourcery.com>
2624 * expmed.c (extract_bit_field): Always use adjust_address for MEM.
2626 2008-02-23 Uros Bizjak <ubizjak@gmail.com>
2630 * config/i386/mmx.md (*mov<mode>_internal_rex64): Use "!y" to
2631 prevent reload from using MMX registers.
2632 (*mov<mode>_internal): Ditto.
2633 (*movv2sf_internal_rex64): Ditto.
2634 (*movv2sf_internal): Ditto.
2636 2008-02-23 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2638 PR documentation/31569
2639 * doc/install.texi2html: Use makeinfo --no-number-sections.
2641 2008-02-22 Nathan Froyd <froydnj@codesourcery.com>
2643 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check to
2644 ensure that we can address an entire entity > 8 bytes. Don't
2645 generate reg+reg addressing for such data.
2647 2008-02-22 Nathan Froyd <froydnj@codesourcery.com>
2649 * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Don't overalign
2650 strings when optimizing for size, unless the target cares about
2653 2008-02-22 Tom Tromey <tromey@redhat.com>
2655 * regclass.c (current_pass): Remove declaration.
2657 2008-02-22 Anatoly Sokolov <aesok@post.ru>
2659 * config/avr/libgcc.S (__RAMPZ__): Define.
2660 (__do_copy_data): Add for devices with 128KB code memory.
2662 2008-02-22 Nathan Froyd <froydnj@codesourcery.com>
2664 * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
2666 * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Likewise.
2668 2008-02-22 Hans-Peter Nilsson <hp@axis.com>
2670 * config/cris/cris.h (REG_CLASS_FROM_LETTER): Recognize 'b' for
2673 2008-02-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2676 * c-typeck.c (build_binary_op): Warn about floating point
2677 comparisons if FLOAT_TYPE_P, not only for REAL_TYPE.
2679 2008-02-21 Janis Johnson <janis187@us.ibm.com>
2682 * config/rs6000/rs6000.c (rs6000_altivec_abi): Clarify comment.
2683 (rs6000_explicit_options): Split abi into spe_abi and altivec_abi,
2685 (rs6000_override_options): Set altivec_abi as default, not override,
2686 for 64-bit GNU/Linux; for 32-bit GNU/Linux default to altivec_abi for
2687 TARGET_ALTIVEC; default to TARGET_ALTIVEC_VRSAVE when AltiVec ABI
2688 is used; use new member spe_abi.
2689 (rs6000_handle_option): Set rs6000_explicit_options.vrsave; use
2690 spe_abi and altivec_abi.
2692 2008-02-22 Tomas Bily <tbily@suse.cz>
2694 * tree-vectorizer.c (vect_is_simple_reduction): Fix comment typo.
2696 2008-02-21 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2699 * config.build (build_file_translate): Set to `CMD //c' only if
2701 * Makefile.in (build_file_translate): Improve comment.
2703 2008-02-21 Jan Hubicka <jh@suse.cz>
2705 * predict.def (PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL,
2706 PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL, PRED_CALL,
2707 PRED_TREE_EARLY_RETURN, PRED_NULL_RETURN): Update.
2709 2008-02-21 Michael Matz <matz@suse.de>
2712 * config/i386/i386.c (ix86_expand_branch): Add missing breaks.
2714 2008-02-21 Uros Bizjak <ubizjak@gmail.com>
2716 * config/i386/i386.md (mov<mode>cc): Macroize expander from movsfcc,
2717 movdfcc and movxfcc using X87MODEF mode iterator and SSE_FLOAT_MODE_P
2719 * config/i386/sse.md (<sse>_movup<ssemodesuffixf2c>): Macroize insn
2720 from sse_movups adn sse2_movupd using SSEMODEF2P mode iterator and
2721 SSE_VEC_FLOAT_MODE_P as insn constraint.
2722 (<sse>_movmskp<ssemodesuffixf2c>): Ditto from similar patterns.
2723 (sse4a_movnt<mode>): Macroize insn from sse4a_movntsf and
2724 sse4a_movntdf using MODEF mode iterator.
2725 (sse4a_vmmovnt<mode>): Macroize insn form sse4a_vmmovntv2df and
2726 sse4a_vmmovntv4sf using SSEMODEF2P mode iterator.
2727 (sse4_1_blendp<ssemodesuffixf2c>): Ditto from similar patterns.
2728 (sse4_1_blendvp<ssemodesuffixf2c>): Ditto.
2729 (sse4_1_dpp<ssemodesuffixf2c>): Ditto.
2730 (sse4_1_roundp<ssemodesuffixf2c>): Ditto.
2731 (sse4_1_rounds<ssemodesuffixf2c>): Ditto.
2733 2008-02-21 Richard Guenther <rguenther@suse.de>
2735 * tree.def (PAREN_EXPR): New tree code.
2736 * fold-const.c (fold_unary): Remove PAREN_EXPR around constants
2738 * tree-pretty-print.c (dump_generic_node): Handle PAREN_EXPR.
2739 * expr.c (expand_expr_real_1): Likewise.
2740 * tree-inline.c (estimate_num_insns_1): Likewise.
2741 * tree-complex.c (expand_complex_move): Likewise.
2742 * tree-vectorizer.c (vect_is_simple_use): Treat PAREN_EXPR (x)
2745 2008-02-20 Kaz Kojima <kkojima@gcc.gnu.org>
2748 * config/sh/sh.c (find_barrier): Don't go past 'from' argument.
2750 2008-02-20 Kaz Kojima <kkojima@gcc.gnu.org>
2753 * config/sh/sh.md (jump_compact): Disable for crossing jumps.
2755 * config/sh/sh.c (find_barrier): Don't go past
2756 NOTE_INSN_SWITCH_TEXT_SECTIONS note.
2758 2008-02-20 DJ Delorie <dj@redhat.com>
2760 * config/h8300/h8300.md (insv): Force source operand to be a register.
2762 * config/h8300/h8300.c (h8300_expand_epilogue): Emit return insn
2763 as a jump, not as a plain insn.
2765 2008-02-20 Seongbae Park <seongbae.park@gmail.com>
2767 * doc/invoke.texi (Warning Options): Add new option
2768 -Wframe-larger-than=.
2769 (-Wframe-larger-than): Document.
2771 * flags.h (warn_frame_larger_than, frame_larger_than_size):
2772 Add declarations for new option variables.
2774 * final.c (final_start_function): Check the frame size
2775 before emission and issue a Wframe-larger-than warning.
2777 * opts.c (warn_frame_larger_than, frame_larger_than_size):
2778 Add definitions for new option variables.
2779 (common_handle_option): Handle new option OPT_Wframe_larger_than_.
2781 * common.opt (Wframe-larger-than=): New option.
2783 2008-02-20 Uros Bizjak <ubizjak@gmail.com>
2785 * config/i386/sse.md (<sse>_vmmul<mode>3): Fix typo in asm template.
2786 (<sse>_div<mode>3): Ditto.
2787 (<sse>_vmdiv<mode>3): Ditto.
2788 (<sse>_vmsqrt<mode>2): Ditto.
2789 (*smax<mode>3): Ditto.
2790 (sse5_frcz<mode>2): Ditto.
2791 (sse5_vmfrcz<mode>2): Ditto. Use TARGET_SSE5 instead of TARGET_ROUND
2794 2008-02-20 Richard Guenther <rguenther@suse.de>
2797 * builtins.c (validate_arg): If we want an INTEGER_TYPE,
2798 be happy with INTEGRAL_TYPE_P.
2800 2008-02-20 Richard Guenther <rguenther@suse.de>
2802 * fold-const.c (split_tree): Associate floatig-point expressions
2803 if flag_associative_math is set.
2805 2008-02-20 Richard Guenther <rguenther@suse.de>
2807 * tree.h (fold_real_zero_addition_p): Declare.
2808 * fold-const.c (fold_real_zero_addition_p): Export.
2809 * tree-ssa-reassoc.c (eliminate_using_constants): Also handle
2810 floating-point operations with zero and one.
2812 2008-02-20 Paolo Bonzini <bonzini@gnu.org>
2814 * doc/install.texi: Correct references to CFLAGS, replacing them
2815 with BOOT_CFLAGS. Document flags used during bootstrap for
2818 2008-02-20 Uros Bizjak <ubizjak@gmail.com>
2820 * config/i386/i386.h (SSE_VEC_FLOAT_MODE_P): New define.
2821 * config/i386/i386.md (*sse_setcc<mode>): Macroize from *sse_setccsf
2822 and *sse_setccdf using MODEF mode iterator and SSE_FLOAT_MODE_P as
2824 (smin<mode>3): Ditto from similar patterns.
2825 (smax<mode>3): Ditto.
2826 (*ieee_smin<mode>3): Ditto.
2827 (*ieee_smax<mode>3): Ditto.
2828 * config/i386/sse.md (sse): New mode attribute.
2829 (mov<mode>): Macroize expander from movv4sf and movv2df using
2830 SSEMODEF2P mode iterator.
2831 (<sse>_movnt<mode>): Ditto from similar patterns. Use
2832 SSE_VEC_FLOAT_MODE_P as insn constraint.
2833 (storent<mode>): Ditto.
2834 (storent<mode>): Macroize expander from storentsf and storentdf using
2835 MODEF mode iterator.
2836 (neg<mode>2): Macroize from negv4sf2 and negv2df2 using SSEMODEF2P
2837 mode iterator and SSE_VEC_FLOAT_MODE_P as insn constraint.
2838 (abs<mode>2): Ditto from similar patterns.
2839 (add<mode>3, *add<mode>3, <sse>_vmadd<mode>3): Ditto.
2840 (sub<mode>3, *sub<mode>3, <sse>_vmsub<mode>3): Ditto.
2841 (<sse>_div<mode>3, <sse>_vmdiv<mode>3): Ditto.
2842 (<sse>_vmsqrt<mode>2): Ditto.
2843 (smin<mode>3, *smin<mode>3_finite, *smin<mode>3)
2844 (<sse>_vmsmin<mode>3, *ieee_smin<mode>3): Ditto.
2845 (smax<mode>3, *smax<mode>3_finite, *smax<mode>3)
2846 (<sse>_vmsmax<mode>3, *ieee_smax<mode>3): Ditto.
2847 (<sse>_maskcmp<mode>3): Macroize from sse_maskcmpv4sf3,
2848 sse_maskcmpsf3, sse2_maskcmpv2df3 and sse2_maskcmpdf3 using SSEMODEF4
2849 mode iterator. Use SSE_FLOAT_MODE_P with SSE_VEC_FLOAT_MODE_P as
2851 (<sse>_comi): Macroize from sse_comi and sse2_comi using MODEF mode
2852 iterator and SSE_FLOAT_MODE_P as insn constraint.
2853 (<sse>_ucomi): Ditto from similar patterns.
2854 (<sse>_vmmaskcmp<mode>3): Macroize from sse_vmmaskcmpv4sf3 and
2855 sse2_vmmaskcmpv2df3 using SSEMODEF2P mode iterator and
2856 SSE_VEC_FLOAT_MODE_P as insn constraint.
2857 (vcond<mode>): Ditto from similar patterns.
2858 (and<mode>3, *and<mode>3): Ditto.
2859 (<sse>_nand<mode>3): Ditto.
2860 (ior<mode>3, *ior<mode>3): Ditto.
2861 (xor<mode>3, *xor<mode>3): Ditto.
2862 (*and<mode>3): Macroize from *andsf3 and *anddf3 using MODEF mode
2863 iterator and SSE_FLOAT_MODE_P as insn constraint.
2864 (*nand<mode>3): Ditto from similar patterns.
2865 (*ior<mode>3): Ditto.
2866 (*xor<mode>3): Ditto.
2868 2008-02-20 Ira Rosen <irar@il.ibm.com>
2870 * config/spu/spu.md (vec_unpacku_hi_v8hi, vec_unpacku_lo_v8hi,
2871 vec_unpacks_hi_v8hi, vec_unpacks_lo_v8hi, vec_unpacku_hi_v16qi,
2872 vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi): Implement.
2874 2008-02-19 Jan Hubicka <jh@suse.cz>
2876 * predict.c (tree_bb_level_predictions): Remove variable next
2877 mistakely introduced by previous commit.
2879 2008-02-19 Jan Hubicka <jh@suse.cz>
2881 * predict.c (predict_paths_leading_to): Rewrite.
2882 (predict_paths_for_bb): New.
2883 (tree_bb_level_predictions): Update call of predict_paths_leading_to.
2885 2008-02-19 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2888 * Makefile.in (build_file_translate): New.
2889 (gcc-vers.texi): Use it for translating $(abs_srcdir).
2890 * config.build (build_file_translate): Set to `CMD //c' on MinGW.
2891 * configure.ac (build_file_translate): Substitute it.
2892 * configure: Regenerate.
2894 2008-02-19 Jan Hubicka <jh@suse.cz>
2896 PR rtl-optimization/34408
2897 * see.c (see_def_extension_not_merged): Copy subreg so we don't have
2900 2008-02-19 Jan Hubicka <jh@suse.cz>
2903 * tree-inline.c (estimate_num_insns_1): Fix counting of cost of
2906 2008-02-19 H.J. Lu <hongjiu.lu@intel.com>
2909 * config/i386/i386-modes.def: Revert the last DI alignment
2910 change until Ada people can look into it.
2912 2008-02-19 Nick Clifton <nickc@redhat.com>
2914 * opts.c (print_specific_help): Fix typo in --help text.
2916 2008-02-19 Jakub Jelinek <jakub@redhat.com>
2919 * config/i386/cpuid.h (__cpuid, __get_cpuid_max): Use special
2920 32-bit inline asm without asm alternatives for host GCC < 3.0.
2922 2008-02-19 Richard Guenther <rguenther@suse.de>
2924 PR tree-optimization/34989
2925 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Re-structure.
2926 Allow propagation to INDIRECT_REF if we can simplify only.
2928 2008-02-19 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2930 * c-common.c (warn_for_collisions_1): Use appropriate option when
2933 2008-02-19 Nick Clifton <nickc@redhat.com>
2936 * opts.c (undocumented_msg): Leave blank unless checking is enabled.
2937 (handle_options): Fix indentation.
2938 (print_filtered_help): If no language-specific options were
2939 displayed tell the user how to list all the options supported by
2940 the language's front-end.
2941 (print_specific_help): Fix indentation and remove duplicate line.
2942 (common_handle_option): Handle the -v option.
2943 For --help enable the display of undocumented options if the -v
2944 switch has been included on the command line.
2945 For --help= check for overlaps in the arguments between the option
2946 classes and the language names and issue a warning when they
2947 cannot be disambiguated.
2948 * c.opt (v): Pass on to the common option handler.
2950 2008-02-19 Revital Eres <eres@il.ibm.com>
2952 * modulo-sched.c (sms_schedule): Change dump message when
2953 create_ddg function fails.
2954 (try_scheduling_node_in_cycle): Rename row to cycle.
2955 (print_partial_schedule): Rename CYCLE to ROW.
2957 2008-02-19 Christian Bruel <christian.bruel@st.com>
2958 Zdenek Dvorak <ook@ucw.cz>
2960 * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check step alignment.
2962 2008-02-19 Uros Bizjak <ubizjak@gmail.com>
2965 * config/i386/i386.md (*x86_movsicc_0_m1_se): New insn pattern.
2966 (*x86_movdicc_0_m1_se): Ditto.
2968 2008-02-19 Uros Bizjak <ubizjak@gmail.com>
2970 * config/i386/sfp-machine.h (__gcc_CMPtype): New typedef.
2971 (CMPtype): Define as __gcc_CMPtype.
2972 * config/rs6000/sfp-machine.h (__gcc_CMPtype): New typedef.
2973 (CMPtype): Define as __gcc_CMPtype.
2975 2008-02-19 Hans-Peter Nilsson <hp@axis.com>
2977 Support valgrind 3.3 for --enable-checking=valgrind.
2978 * system.h: Consolidate ENABLE_VALGRIND_CHECKING-dependent defines
2980 [!VALGRIND_MAKE_MEM_NOACCESS]: Define as VALGRIND_MAKE_NOACCESS.
2981 [!VALGRIND_MAKE_MEM_DEFINED]: Define as VALGRIND_MAKE_READABLE.
2982 [!VALGRIND_MAKE_MEM_UNDEFINED]: Define as VALGRIND_MAKE_WRITABLE.
2983 * ggc-common.c: Remove ENABLE_VALGRIND_CHECKING-dependent defines.
2984 Replace use of VALGRIND_MAKE_READABLE, VALGRIND_MAKE_WRITABLE, and
2985 VALGRIND_MAKE_NOACCESS with VALGRIND_MAKE_MEM_DEFINED,
2986 VALGRIND_MAKE_MEM_UNDEFINED, and VALGRIND_MAKE_MEM_NOACCESS
2988 * ggc-zone.c: Similar.
2989 * ggc-page.c: Similar.
2991 2008-02-19 Paul Brook <paul@codesourcery.com>
2994 * config/arm/ieee754-df.S: Fix do_it typo.
2995 * config/arm/ieee754-sf.S: Fix do_it typo.
2997 2008-02-18 H.J. Lu <hongjiu.lu@intel.com>
3000 * config/i386/i386.c (OPTION_MASK_ISA_MMX_SET): New.
3001 (OPTION_MASK_ISA_3DNOW_SET): Likewise.
3002 (OPTION_MASK_ISA_SSE_SET): Likewise.
3003 (OPTION_MASK_ISA_SSE2_SET): Likewise.
3004 (OPTION_MASK_ISA_SSE3_SET): Likewise.
3005 (OPTION_MASK_ISA_SSSE3_SET): Likewise.
3006 (OPTION_MASK_ISA_SSE4_1_SET): Likewise.
3007 (OPTION_MASK_ISA_SSE4_2_SET): Likewise.
3008 (OPTION_MASK_ISA_SSE4_SET): Likewise.
3009 (OPTION_MASK_ISA_SSE4A_SET): Likewise.
3010 (OPTION_MASK_ISA_SSE5_SET): Likewise.
3011 (OPTION_MASK_ISA_3DNOW_A_UNSET): Likewise.
3012 (OPTION_MASK_ISA_MMX_UNSET): Updated.
3013 (OPTION_MASK_ISA_3DNOW_UNSET): Updated.
3014 (OPTION_MASK_ISA_SSE_UNSET): Likewise.
3015 (OPTION_MASK_ISA_SSE3_UNSET): Likewise.
3016 (OPTION_MASK_ISA_SSSE3_UNSET): Likewise.
3017 (OPTION_MASK_ISA_SSE4_1_UNSET): Likewise.
3018 (OPTION_MASK_ISA_SSE4_2_UNSET): Likewise.
3019 (OPTION_MASK_ISA_SSE4A_UNSET): Likewise.
3020 (OPTION_MASK_ISA_SSE5_UNSET): Likewise.
3021 (OPTION_MASK_ISA_SSE4): Removed.
3022 (ix86_handle_option): Turn on bits in ix86_isa_flags and
3023 ix86_isa_flags_explicit with OPTION_MASK_ISA_XXX_SET for -mXXX.
3024 (override_options): Don't turn on implied SSE/MMX bits in
3027 2008-02-18 H.J. Lu <hongjiu.lu@intel.com>
3029 * config/i386/i386-modes.def: Use 4 byte alignment on DI for
3032 2008-02-18 Joey Ye <joey.ye@intel.com>
3035 * tree-nested.c (insert_field_into_struct): Set type alignment
3036 to field alignment if the former is less than the latter.
3038 2008-02-18 Jakub Jelinek <jakub@redhat.com>
3040 * BASE-VER: Set to 4.4.0.
3042 2008-02-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3044 * doc/c-tree.texi: Use @dots{} and @enddots{} where appropriate.
3045 * doc/cfg.texi: Likewise.
3046 * doc/extend.texi: Likewise.
3047 * doc/gty.texi: Likewise.
3048 * doc/invoke.texi: Likewise.
3049 * doc/loop.texi: Likewise.
3050 * doc/md.texi: Likewise.
3051 * doc/passes.texi: Likewise.
3052 * doc/rtl.texi: Likewise.
3053 * doc/sourcebuild.texi: Likewise.
3054 * doc/tm.texi: Likewise.
3055 * doc/tree-ssa.texi: Likewise.
3057 2008-02-17 Richard Guenther <rguenther@suse.de>
3060 * tree-complex.c (init_parameter_lattice_values): Handle parameters
3061 without default definition.
3063 2008-02-17 Richard Guenther <rguenther@suse.de>
3065 PR tree-optimization/35231
3066 * tree-vrp.c (register_edge_assert_for): Do not assume A == 0
3069 2008-02-17 Uros Bizjak <ubizjak@gmail.com>
3072 2008-02-15 Uros Bizjak <ubizjak@gmail.com>
3073 * config/i386/sfp-machine.h (CMPtype): Define as typedef using
3074 libgcc_cmp_return mode.
3076 2008-02-16 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3079 * doc/invoke.texi (-std): Clarify description of -std= and -ansi.
3081 2008-02-16 Ralf Corsepius <ralf.corsepius@rtems.org>
3083 * config/m68k/t-rtems (M68K_MLIB_CPU): Add 5208, 5307, 5407, 5475
3086 2008-02-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3088 * doc/c-tree.texi: Use `@.' where appropriate.
3089 * doc/extend.texi: Likewise.
3090 * doc/install.texi: Likewise.
3091 * doc/invoke.texi: Likewise.
3092 * doc/loop.texi: Likewise.
3093 * doc/makefile.texi: Likewise.
3094 * doc/md.texi: Likewise.
3095 * doc/passes.texi: Likewise.
3096 * doc/standards.texi: Likewise.
3097 * doc/tm.texi: Likewise.
3099 2008-02-15 Jakub Jelinek <jakub@redhat.com>
3102 * omp-low.c (expand_omp_for_generic): Don't initialize fd->v
3104 (expand_omp_for_static_nochunk): Initialize fd->v in seq_start_bb
3105 rather than in entry_bb.
3107 2008-02-15 Uros Bizjak <ubizjak@gmail.com>
3109 * config/i386/sfp-machine.h (CMPtype): Define as typedef using
3110 libgcc_cmp_return mode.
3112 2008-02-15 Jakub Jelinek <jakub@redhat.com>
3115 * tree-nested.c (convert_call_expr): Put FRAME.* vars into
3116 OMP_CLAUSE_SHARED rather than OMP_CLAUSE_FIRSTPRIVATE clause.
3118 2008-02-15 Richard Guenther <rguenther@suse.de>
3119 Zdenek Dvorak <ook@ucw.cz>
3121 PR tree-optimization/35164
3122 * tree-flow.h (stmt_references_abnormal_ssa_name): Declare.
3123 * tree-dfa.c (stmt_references_abnormal_ssa_name): New function.
3124 * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
3125 Only propagate addresses which do not have abnormal SSA_NAMEs
3128 2008-02-15 Joseph Myers <joseph@codesourcery.com>
3131 * config/m68k/m68k.h (DWARF_CIE_DATA_ALIGNMENT): Define.
3133 2008-02-15 Jan Hubicka <jh@suse.cz>
3136 * ipa.c (cgraph_remove_unreachable_nodes): Clear local.inlinable flag.
3138 2008-02-15 Uros Bizjak <ubizjak@gmail.com>
3141 * function.c (pad_to_arg_alignment): Remove test for STACK_BOUNDARY
3142 when calculating alignment_pad.
3144 2008-02-15 Uros Bizjak <ubizjak@gmail.com>
3146 * config/i386/i386.h (CLEAR_RATIO): Use MIN macro.
3147 (WIDEST_HARDWARE_FP_SIZE): Use LONG_DOUBLE_TYPE_SIZE define.
3148 * config/i386/darwin.h (PREFERRED_STACK_BOUNDARY): Use MAX macro
3149 and STACK_BOUNDARY define.
3151 2008-02-14 Danny Smith <dannysmith@users.sourceforge.net>
3153 PR preprocessor/35061
3154 * c-pragma.c (handle_pragma_pop_macro): Check that
3155 pushed_macro_table has been allocated.
3157 2008-02-14 Eric Botcazou <ebotcazou@adacore.com>
3160 * gimplify.c (force_gimple_operand_bsi): Revert 2008-02-12 change.
3161 (force_gimple_operand): Likewise.
3162 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Add new cases
3163 for TARGET_MEM_REF and CONVERT_EXPR/NON_LVALUE_EXPR/NOP_EXPR.
3164 Also recurse on the operand for regular VIEW_CONVERT_EXPRs.
3165 (find_interesting_uses_address): Check addressability and alignment
3166 of the base expression only after substituting bases of IVs into it.
3168 2008-02-14 Michael Matz <matz@suse.de>
3171 * function.c (instantiate_virtual_regs_in_insn): Reload address
3172 before falling back to reloading the whole operand.
3174 2008-02-14 Andreas Krebbel <krebbel1@de.ibm.com>
3176 * config/s390/s390.c (s390_mainpool_start): Emit the pool
3177 before the first section switch note.
3179 2008-02-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3181 * doc/bugreport.texi: Update copyright years.
3182 * doc/c-tree.texi: Likewise.
3183 * doc/cfg.texi: Likewise.
3184 * doc/cpp.texi: Likewise.
3185 * doc/cppinternals.texi: Likewise.
3186 * doc/fragments.texi: Likewise.
3187 * doc/frontends.texi: Likewise.
3188 * doc/gcc.texi: Likewise.
3189 * doc/gty.texi: Likewise.
3190 * doc/hostconfig.texi: Likewise.
3191 * doc/implement-c.texi: Likewise.
3192 * doc/libgcc.texi: Likewise.
3193 * doc/loop.texi: Likewise.
3194 * doc/makefile.texi: Likewise.
3195 * doc/options.texi: Likewise.
3196 * doc/passes.texi: Likewise.
3197 * doc/rtl.texi: Likewise.
3198 * doc/sourcebuild.texi: Likewise.
3199 * doc/standards.texi: Likewise.
3200 * doc/tree-ssa.texi: Likewise.
3201 * doc/trouble.texi: Likewise.
3203 * doc/extend.texi: Use @: or add comma where appropriate.
3204 * doc/invoke.texi: Likewise.
3205 * doc/tm.texi: Likewise.
3207 2008-02-14 Alan Modra <amodra@bigpond.net.au>
3210 * config/rs6000/rs6000.md (restore_stack_block): Force operands[1]
3213 2008-02-14 Jesper Nilsson <jesper.nilsson@axis.com>
3215 * doc/md.texi (clz, ctz): Add reference.
3216 * doc/rtl.texi (clz, ctz): Likewise.
3218 2008-02-13 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3221 * Makefile.in (gcc-vers.texi): Use abs_srcdir for the value of
3224 2008-02-13 Andreas Krebbel <krebbel1@de.ibm.com>
3226 * config/s390/s390.c (struct constant_pool): New field
3227 emit_pool_after added.
3228 (s390_mainpool_start): Set the emit_pool_after flag according
3229 to the section switch notes.
3230 (s390_mainpool_finish): Consider emit_pool_after when emitting
3231 the literal pool at the end of the function.
3232 (s390_chunkify_start): Force literal pool splits at section
3235 2008-02-13 Michael Matz <matz@suse.de>
3238 * var-tracking.c (clobber_variable_part): Correctly traverse the
3241 2008-02-13 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3244 * doc/invoke.texi (Debugging Options): Remove -fdump-tree-inlined.
3245 Add -fdump-ipa-inline.
3246 * tree-dump.c (dump_files): Remove tree-inlined dump.
3247 * tree-pass.h (tree_dump_index): Remove TDI_inlined.
3249 2008-02-12 Richard Guenther <rguenther@suse.de>
3251 PR tree-optimization/35171
3252 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Deal with
3255 2008-02-12 Richard Guenther <rguenther@suse.de>
3258 * fold-const.c (fold_widened_comparison): Use get_unwidened in
3259 value-preserving mode. Disallow final truncation.
3261 2008-02-12 Eric Botcazou <ebotcazou@adacore.com>
3264 * gimplify.c (force_gimple_operand_bsi): Move SSA renaming
3265 code from here to...
3266 (force_gimple_operand): ...here.
3268 2008-02-12 Jakub Jelinek <jakub@redhat.com>
3271 * tree-sra.c (sra_build_assignment): fold_convert SRC if copying
3272 non-compatible pointers.
3273 (generate_element_copy): If SRC and DST are RECORD_TYPEs with
3274 different FIELD_DECLs, try harder by comparing field offsets, sizes
3278 * function.c (match_asm_constraints_1): Don't replace the same input
3281 2008-02-12 Anatoly Sokolov <aesok@post.ru>
3283 * config/avr/avr.h (AVR_HAVE_RAMPZ): Define.
3284 * config/avr/avr.c (expand_prologue): Save RAMPZ register.
3285 (expand_epilogue): Restore RAMPZ register.
3286 * config/avr/avr.md (RAMPZ_ADDR): New constant.
3288 2008-02-11 Kai Tietz <kai.tietz@onevision.com>
3290 * config/i386/cygwin.asm: (__alloca): Correct calling
3291 convention and alignment.
3292 (__chkstk): Force 8 byte stack alignment.
3294 2008-02-11 Uros Bizjak <ubizjak@gmail.com>
3295 Richard Guenther <rguenther@suse.de>
3297 PR tree-optimization/33992
3298 * tree-ssa-loop-im.c (rewrite_bittest): Fixup the type of
3299 the zero we compare against.
3301 2008-02-10 Danny Smith <dannysmith@users.sourceforge.net>
3304 * gthr-win32.h (__gthread_mutex_destroy_function): New function
3305 to CloseHandle after unlocking to prevent accumulation of handle
3308 2008-02-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3311 * pa.c (legitimize_pic_address): Add REG_EQUAL note on sets with a
3312 pic_label_operand source. Similarly, add a REG_LABEL_OPERAND note
3313 and update LABEL_NUSES during and after reload.
3315 2008-02-08 Steven Bosscher <stevenb.gcc@gmail.com>
3318 * combine.c (simplify_if_then_else): Make sure the comparison is
3319 against const0_rtx when simplifying to (abs x) or (neg (abs X)).
3321 2008-02-08 Richard Sandiford <rsandifo@nildram.co.uk>
3324 * double-int.h: Don't include gmp.h for GENERATOR_FILEs.
3325 (mpz_set_double_int, mpz_get_double_int): Hide from GENERATOR_FILEs.
3326 * real.h: Don't include gmp.h or mpfr.h for GENERATOR_FILEs.
3327 (real_from_mpfr, mpfr_from_real): Hide from GENERATOR_FILEs.
3328 * tree.h (get_type_static_bounds): Likewise.
3330 2008-02-08 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3332 * doc/invoke.texi (Option Summary, C++ Dialect Options)
3333 (Objective-C and Objective-C++ Dialect Options, Warning Options):
3334 Make -Wfoo language annotations match what the compiler outputs.
3336 2008-02-08 Sa Liu <saliu@de.ibm.com>
3338 * config/spu/spu-builtins.def: Fixed wrong parameter type in spu
3339 intrinsics spu_convts, spu_convtu, spu_convtf.
3340 * testsuite/gcc.target/spu/intrinsics-3.c: New. Test error messages.
3342 2008-02-08 Hans-Peter Nilsson <hp@axis.com>
3344 * doc/extend.texi (Function Attributes) <noinline>: Mention
3345 asm ("") as method to keep calls.
3347 2008-02-07 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3350 * doc/options.texi (Options): Replace references to opts.sh with
3352 * opts-common.c: Likewise.
3353 * optc-gen.awk: Likewise.
3355 2008-02-07 Andreas Krebbel <krebbel1@de.ibm.com>
3357 * config/s390/s390.h (FUNCTION_ARG_REGNO_P): Fix fprs for 64 bit.
3359 2008-02-07 Richard Henderson <rth@redhat.com>
3362 * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use an
3363 EXPR_LIST for the REG_EQUAL instead of a comparison with a
3366 2008-02-07 Uros Bizjak <ubizjak@gmail.com>
3368 PR tree-optimization/35085
3369 * tree-ssa-reassoc.c (rewrite_expr_tree): Enable destructive update
3370 for operand entry oe2 in addition to operand entry oe3 in order to
3371 expose more opportunities for vectorizer sum reduction.
3373 2008-02-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3376 * Makefile.in (LIBS): Remove $(GMPLIBS).
3377 (cc1-dummy, cc1): Add $(GMPLIBS).
3379 2008-02-06 Jan Hubicka <jh@suse.cz>
3382 * i386.md (moddf_integer): Do not produce partial memory stalls for
3383 targets where it hurts.
3385 2008-02-06 Uros Bizjak <ubizjak@gmail.com>
3388 * optabs.c (expand_float): Do not check for decimal modes when
3389 expanding unsigned integer through signed conversion.
3391 2008-02-06 Nick Clifton <nickc@redhat.com>
3393 * config/stormy16/stormy16.md (eqbranchsi): Replace a match_dup
3394 inside the clobber with a match_operand and duplicated operand
3395 number in the constraint.
3396 (ineqbranchsi): Delete redundant comment.
3398 2008-02-06 Ralf Corsepius <ralf.corsepius@rtems.org>
3400 * config/arm/rtems-elf.h (TARGET_OS_CPP_BUILTINS): Add
3401 builtin_define ("__USE_INIT_FINI__").
3402 * config/h8300/t-rtems (MULTILIB_OPTION,MULTILIB_DIRNAMES): Add
3404 * gthr-rtems.h: Remove __GTHREAD_MUTEX_INIT.
3406 2008-02-06 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3408 PR documentation/30330
3409 * doc/invoke.texi (C++ Dialect Options)
3410 (Objective-C and Objective-C++ Dialect Options, Warning Options):
3411 For each warning option -Wfoo that allows -Wno-foo, ensure both
3412 -Wfoo and -Wno-foo are listed in the option index. Fix index
3413 entry of -Wswitch-default, index -Wnormalized= including the
3414 `=', and -Wlarger-than-@var{len} including @var{len}.
3416 2008-02-05 Uros Bizjak <ubizjak@gmail.com>
3418 * config/i386/i386.md (floatunssisf2): Use
3419 ix86_expand_convert_uns_sisf_sse also for TARGET_SSE.
3420 (floatunssi<mode>2): Rename from floatunssisf2 and floatunssidf2.
3421 Macroize expander using MODEF mode iterator.
3423 2008-02-05 Diego Novillo <dnovillo@google.com>
3425 http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00140.html
3428 * tree-vrp.c (vrp_evaluate_conditional): Revert fix for PR 33738.
3430 2008-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3433 * toplev.c (print_version): Honor `indent' for GMP/MPFR warnings.
3435 2008-02-05 H.J. Lu <hongjiu.lu@intel.com>
3438 * config/i386/i386.c (ix86_function_sseregparm): Add an arg
3439 to indicate if a message should be generated.
3440 (init_cumulative_args): Updated.
3441 (function_value_32): Likewise.
3443 2008-02-05 Joseph Myers <joseph@codesourcery.com>
3445 * doc/include/texinfo.tex: Update to version 2008-02-04.16.
3447 2008-02-05 Uros Bizjak <ubizjak@gmail.com>
3450 * config/i386/i386.md (floatunsisf2): Enable for TARGET_SSE_MATH only.
3451 Call ix86_expand_convert_uns_sisf_sse for TARGET_SSE2.
3453 2008-02-04 Diego Novillo <dnovillo@google.com>
3455 http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00110.html
3458 * tree-vrp.c (vrp_evaluate_conditional): With
3459 -Wtype-limits, emit a warning when comparing against a
3460 constant outside the natural range of OP0's type.
3462 2008-02-04 Richard Guenther <rguenther@suse.de>
3465 * expr.c (count_type_elements): Give for unions instead of
3468 2008-02-04 Richard Guenther <rguenther@suse.de>
3471 * gimplify.c (gimplify_init_ctor_eval): Convert array indices
3472 to TYPE_DOMAINs base type instead of using bitsizetype here.
3474 2008-02-03 Jason Merrill <jason@redhat.com>
3476 * print-tree.c (print_node) [CONSTRUCTOR]: Print elements.
3478 2008-02-04 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3481 * doc/invoke.texi (C++ Dialect Options, Optimize Options)
3482 (HPPA Options, i386 and x86-64 Options, IA-64 Options)
3483 (RS/6000 and PowerPC Options): Fix typos and markup.
3484 * doc/passes.texi (Tree-SSA passes): Likewise.
3486 2008-02-02 Michael Matz <matz@suse.de>
3489 * postreload-gcse.c (record_last_reg_set_info_regno): Renamed
3490 from record_last_reg_set_info.
3491 (record_last_reg_set_info): Take an RTX argument, iterate over all
3492 constituent hardregs.
3493 (record_last_set_info, record_opr_changes): Change calls to
3494 new signature or to record_last_reg_set_info_regno.
3496 2008-02-02 Gerald Pfeifer <gerald@pfeifer.com>
3498 * doc/extend.texi (X86 Built-in Functions): Fix grammar.
3500 2008-02-01 Hans-Peter Nilsson <hp@axis.com>
3502 PR rtl-optimization/34773
3503 * reg-notes.def (EQUAL): Mention significance of combination of
3504 REG_EQUAL and REG_RETVAL.
3505 * fwprop.c (try_fwprop_subst): Don't add REG_EQUAL to an
3506 insn that has a REG_RETVAL.
3508 2008-02-01 Roger Sayle <roger@eyesopen.com>
3511 * configure.ac (--enable-fixed-point): Disable unless explicitly
3513 * configure: Regenerate.
3515 2008-02-01 Richard Guenther <rguenther@suse.de>
3518 * invoke.texi (-finline-limit): Remove no longer true parts
3519 of the documentation. Note that there is no default value.
3521 2008-02-01 Andrew Pinski <pinskia@gmail.com>
3522 Mark Mitchell <mark@codesourcery.com>
3523 Ben Elliston <bje@au.ibm.com>
3526 * doc/extend.texi (Other Builtins): Document.
3528 2008-01-31 Tom Browder <tom.browder@gmail.com>
3530 * doc/c-tree.texi (Types): Fix grammar.
3531 (Expression trees): Ditto.
3532 * doc/passes.texi (Tree-SSA passes): Ditto.
3534 * doc/configterms.texi (Configure Terms): Fix typo.
3535 * doc/cpp.texi (Common Predefined Macros): Ditto.
3536 * doc/md.texi (Machine Constraints): Ditto.
3538 * doc/makefile.texi (Makefile): Add comma.
3540 2008-01-31 Tom Browder <tom.browder@gmail.com>
3541 Gerald Pfeifer <gerald@pfeifer.com>
3543 * doc/sourcebuild.texi (Front End): Remove references to CVS
3544 and CVSROOT/modules.
3545 (Texinfo Manuals): Replace reference to CVS by one to SVN.
3546 (Back End): Remove reference to CVS.
3548 2008-01-31 Richard Sandiford <rsandifo@nildram.co.uk>
3551 * config/mips/mips.c (gen_load_const_gp): New function, taking a
3553 (mips16_gp_pseudo_reg): ...here.
3554 * config/mips/mips.md (load_const_gp): Replace with...
3555 (load_const_gp_<mode>): ...this :P-based insn.
3557 2008-01-31 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3559 * doc/invoke.texi (-ansi): Mention explicitly corresponding -std=
3560 options. Minor fixes.
3561 (-std): Move reference to standards closer to where language
3562 standards are first mentioned.
3564 2008-01-31 Richard Sandiford <rsandifo@nildram.co.uk>
3566 PR rtl-optimization/34995
3567 * reload.c (alternative_allows_const_pool_ref): Take an rtx
3568 parameter and return a bool. If the rtx parameter is nonnull,
3569 check that it satisfies an EXTRA_MEMORY_CONSTRAINT.
3570 (find_reloads): Update call accordingly. Pass the new operand
3571 if it needed no address reloads, otherwise pass null.
3573 2008-01-30 Richard Henderson <rth@redhat.com>
3576 * tree.c (build_type_attribute_qual_variant): Skip TYPE_DOMAIN
3577 for unbounded arrays.
3579 2008-01-30 Silvius Rus <rus@google.com>
3581 * config/i386/xmmintrin.h (_mm_prefetch): Add const to first arg.
3583 2008-01-30 Jan Hubicka <jh@suse.cz>
3586 * i386.c (init_cumulative_args): Use real function declaration when
3589 2008-01-30 Richard Sandiford <rsandifo@nildram.co.uk>
3591 PR rtl-optimization/34998
3592 * global.c (build_insn_chain): Treat non-subreg_lowpart
3593 SUBREGs of pseudos as clobbering all the words covered by the
3594 SUBREG, not just all the bytes.
3595 * ra-conflict.c (clear_reg_in_live): Likewise. Take the
3596 original df_ref rather than an extract parameter.
3597 (global_conflicts): Update call accordingly.
3599 2008-01-30 Andreas Krebbel <krebbel1@de.ibm.com>
3601 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): Rearrange
3602 the overflow check to make it easier to read.
3603 (__fixtfdi): Change the type of the ll member in union
3604 long_double to UDItype_x.
3606 2008-01-30 Jakub Jelinek <jakub@redhat.com>
3609 * cgraph.h (cgraph_update_edges_for_call_stmt): New prototype.
3610 * cgraph.c (cgraph_update_edges_for_call_stmt): New function.
3611 * tree-inline.c (fold_marked_statements): Call
3612 cgraph_update_edges_for_call_stmt if folding a call statement.
3613 * cgraphunit.c (verify_cgraph_node): Set cfun to this_cfun for
3614 debug_generic_stmt calls, reset it back afterwards.
3617 * c-decl.c (start_decl): Don't pedwarn about TREE_READONLY
3619 * c-typeck.c (build_external_ref): Don't pedwarn about
3620 static vars in current function's scope.
3622 2008-01-29 Joseph Myers <joseph@codesourcery.com>
3624 * config.gcc (i[34567]86-*-nto-qnx*): Remove deprecation.
3626 2008-01-29 Bernhard Fischer <aldot@gcc.gnu.org>
3629 * ipa-struct-reorg.c: Fix spelling.
3630 * params.def: Ditto.
3632 2008-01-29 Richard Guenther <rguenther@suse.de>
3635 * tree-inline.h (struct copy_body_data): Add remapping_type_depth
3637 * tree-inline.c (remap_type): Increment remapping_type_depth
3638 around remapping types.
3639 (copy_body_r): Only add referenced variables if they are referenced
3640 from code, not types.
3642 2008-01-29 Douglas Gregor <doug.gregor@gmail.com>
3653 * c-pretty-print.c (pp_c_type_qualifier_list): Don't try to print
3654 qualifiers for an ERROR_MARK_NODE or a NULL_TREE.
3656 2008-01-28 Andy Hutchinson <hutchinsonandy@netscape.net>
3659 * config/avr/avr.c (expand_prologue): Use correct QI mode frame
3660 pointer for tiny stack.
3662 2008-01-28 Bernhard Fischer <aldot@gcc.gnu.org>
3664 * doc/tree-ssa.texi: Add cindex PHI nodes and improve wording.
3666 2008-01-28 Bernhard Fischer <aldot@gcc.gnu.org>
3668 * config/vx-common.h: Fix typo in comment.
3670 2008-01-28 Ian Lance Taylor <iant@google.com>
3674 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
3675 coalesce pointers if they have different DECL_NO_TBAA_P values.
3676 * tree-ssa-copy.c (may_propagate_copy): Don't propagate copies
3677 between variables with different DECL_NO_TBAA_P values.
3679 2008-01-28 Nathan Froyd <froydnj@codesourcery.com>
3682 * config/rs6000/rs6000.c (small_data_operand): Vectors and floats
3683 are not legitimate small data references on SPE targets.
3685 2008-01-28 David Daney <ddaney@avtrex.com>
3687 * doc/install.texi (mips-*-*): Recommend binutils 2.18.
3689 2008-01-28 David Daney <ddaney@avtrex.com>
3691 * doc/install.texi (--disable-libgcj-bc): Reword documentation.
3693 2008-01-27 Joseph Myers <joseph@codesourcery.com>
3695 * config.gcc (strongarm*-*, ep9312*-*, xscale*-*, parisc*-*,
3696 m680[012]0-*, *-*-beos*, *-*-kaos*, *-*-linux*aout*,
3697 *-*-linux*libc1*, *-*-solaris2.[0-6], *-*-solaris2.[0-6].*,
3698 *-*-sysv*, *-*-windiss*, alpha*-*-unicosmk*, cris-*-aout,
3699 hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
3700 i[34567]86-sequent-ptx4*, i[34567]86-*-nto-qnx*,
3701 i[34567]86-*-sco3.2v5*, i[34567]86-*-uwin*, powerpc-*-chorusos*,
3702 vax-*-bsd*, vax-*-ultrix*): Mark obsolete.
3704 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
3706 * basic-block.h (condjump_equiv_p): Fix comment.
3708 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
3710 * tree-pretty-print.c (print_generic_decl, print_generic_stmt,
3711 print_generic_stmt_indented): Fix comment.
3713 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
3715 * configure.ac (__stack_chk_fail): Add detecion for availability
3716 of SSP in uClibc by checking if __UCLIBC_HAS_SSP__ is defined.
3717 * configure: Regenerate.
3719 2008-01-26 Maxim Kuvyrkov <maxim@codesourcery.com>
3722 * final.c (output_addr_const): Handle TRUNCATE.
3724 2008-01-26 Zdenek Dvorak <ook@ucw.cz>
3727 * tree-ssa-loop-ivopts.c (comp_cost): New type.
3728 (zero_cost, infinite_cost): New constants.
3729 (struct cost_pair): Change type of cost to comp_cost.
3730 (struct iv_ca): Change type of cand_use_cost and cost to comp_cost.
3731 (new_cost, add_costs, sub_costs, compare_costs, infinite_cost_p):
3733 (set_use_iv_cost, force_expr_to_var_cost, force_var_cost,
3734 split_address_cost, ptr_difference_cost, difference_cost,
3735 get_computation_cost_at, get_computation_cost,
3736 determine_use_iv_cost_generic, determine_use_iv_cost_address,
3737 determine_use_iv_cost_condition, determine_use_iv_costs,
3738 cheaper_cost_pair, iv_ca_recount_cost, iv_ca_set_no_cp,
3739 iv_ca_set_cp, iv_ca_cost, iv_ca_new, iv_ca_dump, iv_ca_extend,
3740 iv_ca_narrow, iv_ca_prune, try_improve_iv_set, find_optimal_iv_set):
3741 Change type of cost to comp_cost.
3742 (determine_iv_cost): Increase cost of non-original ivs, instead
3743 of decreasing the cost of original ones.
3744 (get_address_cost): Indicate the complexity of the addressing mode
3746 (try_add_cand_for): Prefer using ivs not specific to some object.
3747 * tree-flow.h (force_expr_to_var_cost): Declaration removed.
3749 2008-01-26 Peter Bergner <bergner@vnet.ibm.com>
3750 Janis Johnson <janis187@us.ibm.com>
3753 * doc/tm.texi (TARGET_EXPAND_TO_RTL_HOOK): Document.
3754 (TARGET_INSTANTIATE_DECLS): Likewise.
3755 * target.h (expand_to_rtl_hook): New target hook.
3756 (instantiate_decls): Likewise.
3757 * function.c (instantiate_decl): Make non-static. Rename to...
3758 (instantiate_decl_rtl): ... this.
3759 (instantiate_expr): Use instantiate_decl_rtl.
3760 (instantiate_decls_1): Likewise.
3761 (instantiate_decls): Likewise.
3762 (instantiate_virtual_regs: Call new instantiate_decls taget hook.
3763 * function.h (instantiate_decl_rtl): Add prototype.
3764 * cfgexpand.c (target.h): New include.
3765 (tree_expand_cfg): Call new expand_to_rtl_hook target hook.
3766 * target-def.h (TARGET_EXPAND_TO_RTL_HOOK): New define.
3767 (TARGET_INSTANTIATE_DECLS): Likewise.
3768 (TARGET_INITIALIZER): New target hooks added.
3769 * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
3771 * config/rs6000/rs6000.c (tree-flow.h): New include.
3772 (machine_function): Add sdmode_stack_slot field.
3773 (rs6000_alloc_sdmode_stack_slot): New function.
3774 (rs6000_instantiate_decls): Likewise.
3775 (rs6000_secondary_memory_needed_rtx): Likewise.
3776 (rs6000_check_sdmode): Likewise.
3777 (TARGET_EXPAND_TO_RTL_HOOK): Target macro defined.
3778 (TARGET_INSTANTIATE_DECLS): Likewise.
3779 (rs6000_hard_regno_mode_ok): Allow SDmode.
3780 (num_insns_constant): Likewise. Handle _Decimal32 constants.
3781 (rs6000_emit_move): Handle SDmode.
3782 (function_arg_advance): Likewise.
3783 (function_arg): Likewise.
3784 (rs6000_gimplify_va_arg): Likewise. Add special handling of
3785 SDmode var args for 32-bit compiles.
3786 (rs6000_secondary_reload_class): Handle SDmode.
3787 (rs6000_output_function_epilogue): Likewise.
3788 (rs6000_function_value): Simplify if statement.
3789 (rs6000_libcall_value): Likewise.
3790 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Handle SDmode.
3791 (SECONDARY_MEMORY_NEEDED_RTX): Add define.
3792 * config/rs6000/dfp.md (movsd): New define_expand and splitter.
3793 (movsd_hardfloat): New define_insn.
3794 (movsd_softfloat): Likewise.
3795 (movsd_store): Likewise.
3796 (movsd_load): Likewise.
3797 (extendsddd2): Likewise.
3798 (extendsdtd2): Likewise.
3799 (truncddsd2): Likewise.
3800 (movdd_hardfloat64): Fixup comment.
3801 (UNSPEC_MOVSD_LOAD): New constant.
3802 (UNSPEC_MOVSD_STORE): Likewise.
3804 2008-01-26 Jakub Jelinek <jakub@redhat.com>
3807 * c-pretty-print.c (pp_c_exclusive_or_expression): Handle
3809 (pp_c_logical_and_expression): Handle TRUTH_AND_EXPR.
3810 (pp_c_logical_or_expression): Handle TRUTH_OR_EXPR.
3811 (pp_c_expression): Handle TRUTH_AND_EXPR, TRUTH_OR_EXPR
3814 2008-01-26 David Edelsohn <edelsohn@gnu.org>
3817 * config.gcc: Separate AIX 5.3 from AIX 6.1.
3818 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
3819 __LONGDOUBLE128 too.
3820 * config/rs6000/aix61.h: New file.
3822 2008-01-26 Richard Sandiford <rsandifo@nildram.co.uk>
3824 PR rtl-optimization/34959
3825 * optabs.c (expand_unop): In libcall notes, give ffs, clz, ctz,
3826 popcount and parity rtxes the same mode as their operand.
3827 Truncate or extend the result to the return value's mode
3830 2008-01-26 Richard Sandiford <rsandifo@nildram.co.uk>
3833 * config/mips/mips-protos.h (mips_expand_call): Return an rtx.
3834 * config/mips/mips.h (FIRST_PSEUDO_REGISTER): Rename FAKE_CALL_REGNO
3835 to GOT_VERSION_REGNUM.
3836 (CALL_REALLY_USED_REGISTERS): Set the GOT_VERSION_REGNUM entry to 0.
3837 (EPILOGUE_USES): Include GOT_VERSION_REGNUM if TARGET_USE_GOT.
3838 * config/mips/mips.c (mips_emit_call_insn): New function.
3839 (mips_call_tls_get_addr): Call mips_expand_call directly.
3840 (mips16_copy_fpr_return_value): Use mips_emit_call_insn rather than
3842 (mips16_build_call_stub): Likewise. Return the call insn or null.
3843 (mips_expand_call): Update the call to mips16_build_call_stub
3844 accordingly and a remove redundant condition. Assert that MIPS16
3845 stubs do not use lazy binding. Use mips_emit_call_insn and return
3847 (mips_extra_live_on_entry): Include GOT_VERSION_REGNUM if
3849 (mips_hard_regno_mode_ok_p): Allow SImode for GOT_VERSION_REGNUM.
3850 (mips_avoid_hazard): Remove hazard_set handling.
3851 * config/mips/mips.md (UNSPEC_EH_RECEIVER): Rename to...
3852 (UNSPEC_RESTORE_GP): ...this.
3853 (UNSPEC_SET_GOT_VERSION, UNSPEC_UPDATE_GOT_VERSION): New constants.
3854 (FAKE_CALL_REGNO): Rename to...
3855 (GOT_VERSION_REGNUM): ...this.
3856 (type): Add "ghost" value. Add an associated insn reservation.
3857 (hazard_set): Remove.
3858 (exception_receiver): Rename to...
3859 (restore_gp): ...this and update the unspec identifier accordingly.
3860 (exception_receiver, nonlocal_got_receiver): New expanders.
3861 (load_call<mode>): Use GOT_VERSION_REGNUM. Don't set
3862 FAKE_CALL_REGNO. Remove hazard_set attribute.
3863 (set_got_version, update_got_version): New patterns.
3865 2008-01-26 Danny Smith <dannysmith@users.sourceforge.net>
3868 * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Define.
3870 2008-01-25 Joseph Myers <joseph@codesourcery.com>
3873 * doc/install.texi2html: Generate gcc-vers.texi.
3875 2008-01-25 DJ Delorie <dj@redhat.com>
3877 * config/m32c/m32c.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
3879 2008-01-25 Joseph Myers <joseph@codesourcery.com>
3881 * config/c4x: Remove directory.
3882 * config.gcc (crx-*, mt-*): Mark obsolete.
3883 (c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*,
3884 h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*,
3885 sh-*-rtemscoff*): Remove cases.
3886 * defaults.h (C4X_FLOAT_FORMAT): Remove.
3887 * real.c (encode_c4x_single, decode_c4x_single,
3888 encode_c4x_extended, decode_c4x_extended, c4x_single_format,
3889 c4x_extended_format): Remove.
3890 * real.h (c4x_single_format, c4x_extended_format): Remove.
3891 * doc/extend.texi (interrupt, naked): Remove mention of attributes
3893 (Pragmas): Remove comment about c4x pragmas.
3894 * doc/install.texi (c4x): Remove target-specific instructions.
3895 * doc/invoke.texi (TMS320C3x/C4x Options): Remove.
3896 * doc/md.texi (Machine Constraints): Remove C4x documentation.
3897 * doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not
3898 refer to C4x source files as examples.
3899 (C4X_FLOAT_FORMAT): Remove documentation.
3901 2008-01-25 Bernd Schmidt <bernd.schmidt@analog.com>
3903 * config/bfin/bfin.c (override_options): Reorder tests so that
3904 flag_pic gets enabled for -msep-data.
3906 2008-01-25 Richard Guenther <rguenther@suse.de>
3909 * expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
3910 to its bitfield precision if required.
3912 2008-01-25 Jakub Jelinek <jakub@redhat.com>
3915 * tree-nested.c (walk_omp_for): New function.
3916 (convert_nonlocal_reference, convert_local_reference): Call
3917 walk_omp_for on OMP_FOR.
3918 (convert_call_expr): Call walk_body on OMP_FOR's
3919 OMP_FOR_PRE_INIT_BODY.
3921 2008-01-25 Richard Guenther <rguenther@suse.de>
3923 PR tree-optimization/34966
3924 * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
3925 default defs and PHI_NODEs we have to insert after the
3928 2008-01-24 Nick Clifton <nickc@redhat.com>
3930 * config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
3931 Provide a default definition.
3932 (LIBGCC2_UNITS_PER_WORD): Likewise.
3934 * config/stormy16/stormy16.c: Include df.h for the prototype
3935 for df_regs_ever_live_p.
3936 (xstormy16_expand_builtin_va_start): Convert the stack offset
3937 into a component_ref and then use POINTER_PLUS_EXPR to add it
3938 to the incoming_virtual_args_rtx.
3939 (xstormy16_gimplify_va_arg_expr): Rename to
3940 xstormy16_gimplify_va_arg_expr.
3941 Use POINTER_PLUS_EXPR when performing pointer arithmetic.
3942 (TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
3943 xstormy16_gimplify_va_arg_expr.
3944 Fix up some formatting issues.
3946 * config/stormy16/stormy16.c: (xstormy16_carry_plus_operand):
3947 Move to predicates.md.
3948 (xs_hi_general_operand): Likewise.
3949 (xs_hi_nonmemory_operand): Likewise.
3950 * config/stormy16/predicates.md:
3951 (xstormy16_carry_plus_operand): New predicate.
3952 (xs_hi_general_operand): New predicate.
3953 (xs_hi_nonmemory_operand): New predicate.
3954 * config/stormy16/stormy16-protos.h:
3955 (xstormy16_carry_plus_operand): Delete prototype.
3956 (xs_hi_general_operand): Likewise.
3957 (xs_hi_nonmemory_operand): Likewise.
3959 * config/storm16/stormy16.md (addhi3): Remove earlyclobber
3960 modifiers as they are no longer needed and they can trigger
3961 reload spill failures.
3963 * config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
3964 with a match_operand in order to help reload.
3966 * config/storm16/stormy16.md (movhi_internal): Replace 'r'
3967 constraint with 'e' for the 8th alternative as this version of
3968 the mov.w instruction only accepts the lower 8 registers.
3970 2008-01-25 Uros Bizjak <ubizjak@gmail.com>
3973 * simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
3974 Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
3977 2008-01-25 Jakub Jelinek <jakub@redhat.com>
3980 * gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.
3982 2008-01-25 Golovanevsky Olga <olga@il.ibm.com>
3984 * ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
3986 (remove_structure): Update allocations list before removing structure.
3988 2008-01-25 Golovanevsky Olga <olga@il.ibm.com>
3990 * ipa-struct-reorg.c (is_safe_cond_expr,
3991 create_new_stmts_for_cond_expr): Use integer_zerop function,
3992 that recognize not only zero-pointer, but zero-integer too.
3994 2008-01-25 Ben Elliston <bje@au.ibm.com>
3997 * fixproto: Escape "." in sed expression that strips leading "./".
3999 2008-01-24 H.J. Lu <hongjiu.lu@intel.com>
4002 * gcc.c (SWITCH_OK): Removed.
4003 (SWITCH_LIVE): Changed to bit.
4004 (SWITCH_FALSE): Likewise.
4005 (SWITCH_IGNORE): Likewise.
4006 (switchstr): Change live_cond to unsigned int.
4007 (process_command): Replace SWITCH_OK with 0.
4008 (do_self_spec): Likewise.
4009 (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
4010 (give_switch): Likewise.
4011 (used_arg): Likewise.
4012 (do_spec_1): Set the SWITCH_IGNORE bit.
4013 (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
4014 bits. Set the SWITCH_LIVE bit.
4016 2008-01-24 Andreas Krebbel <krebbel1@de.ibm.com>
4018 * config/s390/s390.h (MOVE_RATIO): Define new target macro.
4020 2008-01-24 Richard Sandiford <rsandifo@nildram.co.uk>
4022 PR tree-optimization/34472
4023 * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
4024 parameter to a "bool *" and set *DATA to false if there is
4025 an unsafe access. Do not delete the structure here.
4026 (check_cond_exprs): Delete it here instead.
4027 (check_cond_exprs, exclude_cold_structs): Do not increase
4028 I when removing a structure.
4030 2008-01-24 Uros Bizjak <ubizjak@gmail.com>
4033 * config/i386/i386.c (ix86_expand_vector_init): Consider only
4034 CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.
4036 2008-01-24 Jakub Jakub Jelinek <jakub@redhat.com>
4039 * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
4040 a fixed vector for stack.
4042 2008-01-24 Ben Elliston <bje@au.ibm.com>
4045 * doc/gcc.texi (Software development): Add a direntry for g++.
4047 2008-01-23 Hans-Peter Nilsson <hp@axis.com>
4049 * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
4050 stale and straggling -fforce-addr comments above.
4052 * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
4054 * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
4055 * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
4057 2008-01-23 Michael Matz <matz@suse.de>
4060 * dwarf2out.c (force_type_die): Use modified_type_die instead of
4063 2008-01-23 Andreas Krebbel <krebbel1@de.ibm.com>
4065 * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
4068 2008-01-23 Anatoly Sokolov <aesok@post.ru>
4070 * config/avr/avr.c (avr_current_arch): New variable.
4071 (avr_arch_types): Add 'avr31' and 'avr51' entries.
4072 (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
4073 (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
4074 (avr_override_options): Init 'avr_current_arch'.
4075 (base_arch_s): Move from here...
4076 * config/avr/avr.h (base_arch_s): ... here. Add new members
4077 'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename
4078 'mega' to 'have_jmp_call'.
4079 (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__",
4080 "__AVR_HAVE_RAMPZ__", "__AVR_HAVE_ELPM__" and "__AVR_HAVE_ELPMX__"
4082 (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51'
4084 * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
4085 MULTILIB_MATCHES): (Ditto.).
4087 2008-01-23 Richard Guenther <rguenther@suse.de>
4090 * cgraphunit.c (cgraph_reset_node): Always mark the node
4091 not reachable if it is not queued already.
4093 2008-01-23 Bernd Schmidt <bernd.schmidt@analog.com>
4095 * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
4096 * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
4097 (cputype_selected): New static variable.
4098 (bfin_handle_option): Set it if -mcpu is used.
4099 (override_option): Select default set of workarounds if no cpu type
4100 selected on the command line.
4101 (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
4103 From Michael Frysinger <michael.frysinger@analog.com>
4104 * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
4105 BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
4107 * config/bfin/elf.h (LIB_SPEC): Use proper linker script
4108 for bf547, bf523, bf524, and bf526.
4109 * config/bfin/bfin.c (bfin_cpus[]): Add bf547, bf523, bf524, and
4111 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
4112 __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
4113 __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
4114 __ADSPBF547__ and __ADSPBF54x__ for bf547.
4115 * doc/invoke.texi (Blackfin Options): Document that
4116 -mcpu now accept bf547, bf523, bf524, and bf526.
4118 2008-01-22 Eric Botcazou <ebotcazou@adacore.com>
4120 PR rtl-optimization/34628
4121 * combine.c (try_combine): Stop and undo after the first combination
4122 if an autoincrement side-effect on the first insn has effectively
4125 2008-01-22 David Edelsohn <edelsohn@gnu.org>
4128 * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
4129 Offset addresses are not valid for Altivec or paired float modes.
4131 2008-01-22 Jakub Jelinek <jakub@redhat.com>
4134 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
4135 if DECL_INITIAL (decl) is error_mark_node.
4138 * c-common.c (handle_vector_size_attribute): Only allow
4139 integral, scalar float and fixed point types. Handle OFFSET_TYPE
4140 the same way as pointer, array etc. types.
4141 * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
4144 * tree.c (build_type_attribute_qual_variant): Call
4145 build_qualified_type if attributes are equal, but quals are not.
4147 2008-01-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4150 * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
4151 * flags.h (warn_strict_aliasing): Remove.
4152 (warn_strict_overflow): Remove.
4153 * opts.c (warn_strict_aliasing): Remove.
4154 (warn_strict_overflow): Remove.
4155 * c-opts.c (c_common_handle_option): -Wall only sets
4156 -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
4157 (c_common_post_options): Give default values to -Wstrict-aliasing
4158 and -Wstrict-overflow if they are uninitialized.
4159 * common.opt (Wstrict-aliasing): Specify Var and Init.
4160 (Wstrict-overflow): Likewise.
4162 2008-01-22 Kenneth Zadeck <zadeck@naturalbridge.com>
4164 PR rtl-optimization/26854
4165 PR rtl-optimization/34400
4166 PR rtl-optimization/34884
4167 * ddg.c (create_ddg_dep_from_intra_loop_link): Use
4169 * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
4170 (df_rd_bb_info.expanded_lr_out): Deleted
4171 * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
4172 * loop_iv.c (iv_analysis_loop_init): Ditto. * df-problems.c
4173 (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
4174 df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
4175 Removed code to allocate, initialize or free expanded_lr_out.
4176 (df_rd_bb_local_compute_process_def): Restructured to make more
4178 (df_rd_confluence_n): Removed code to no apply invalidate_by_call
4179 sets if the sets are being trimmed.
4181 2008-01-22 H.J. Lu <hongjiu.lu@intel.com>
4184 * configure.ac (ld_vers): Support GNU linker version xx.xx.*
4185 (as_vers): Likewise.
4186 * configure: Regenerated.
4188 2008-01-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4191 * tree-pass.h (pass_build_alias): New pass.
4192 * tree-ssa-alias.c (gate_build_alias): New.
4193 (pass_build_alias): New.
4194 * passes.c (init_optimization_passes): Add pass_build_alias after
4195 pass_create_structure_vars.
4197 2008-01-22 Wolfgang Gellerich <gellerich@de.ibm.com>
4199 * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
4200 Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
4201 (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
4202 S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
4203 (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
4204 S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
4205 (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
4206 S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
4207 (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
4208 (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
4209 (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
4210 (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
4211 * config/s390/s390.md (FP_ALL): New mode iterator.
4212 (_d): New mode attribute.
4213 ("*signbit<mode>2>"): Changed mode of first operand.
4214 ("isinf<mode>2"): Changed mode of first operand.
4215 ("*TDC_insn"): Adaptation for DFP modes.
4217 2008-01-22 Ben Elliston <bje@au.ibm.com>
4219 * tree.c (check_qualified_type): Improve function description.
4221 2008-01-21 Jason Merrill <jason@redhat.com>
4224 * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
4225 * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
4228 2008-01-21 DJ Delorie <dj@redhat.com>
4230 * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
4233 2008-01-21 Richard Guenther <rguenther@suse.de>
4236 * tree-cfg.c (verify_expr): Allow all invariant expressions
4237 instead of just constant class ones as reference argument.
4238 * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
4239 like any other constant.
4240 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
4242 2008-01-21 H.J. Lu <hongjiu.lu@intel.com>
4244 * regmove.c (fixup_match_1): Update call crossed frequencies.
4246 2008-01-21 Richard Guenther <rguenther@suse.de>
4249 * tree-inline.c (setup_one_parameter): Deal with mismatched
4250 types using a VIEW_CONVERT_EXPR.
4252 2008-01-21 Alon Dayan <alond@il.ibm.com>
4253 Olga Golovanevsky <olga@il.ibm.com>
4255 PR tree-optimization/34701
4256 * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
4257 when the structure size is not a power of 2.
4259 2008-01-20 Kenneth Zadeck <zadeck@naturalbridge.com>
4261 * doc/install.texi: Add doc for --enable-checking=df.
4263 2008-01-20 Kaz Kojima <kkojima@gcc.gnu.org>
4265 PR rtl-optimization/34808
4266 * emit-rtl.c (try_split): Handle REG_RETVAL notes.
4268 2008-01-20 Richard Sandiford <rsandifo@nildram.co.uk>
4270 * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
4273 2008-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
4275 PR rtl-optimization/26854
4276 PR rtl-optimization/34400
4277 * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
4279 * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
4280 (df_rd_bb_info.expanded_lr_out): New.
4281 * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
4282 * loop_iv.c (iv_analysis_loop_init): Ditto.
4283 * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
4284 df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
4285 Added code to allocate, initialize or free expanded_lr_out.
4286 (df_rd_bb_local_compute_process_def): Restructured to make
4287 more understandable.
4288 (df_rd_confluence_n): Add code to do nothing with fake edges and
4289 code to no apply invalidate_by_call sets if the sets are being trimmed.
4290 (df_lr_local_finalize): Renamed to df_lr_finalize.
4291 (df_live_local_finalize): Renamed to df_live_finalize.
4293 2008-01-20 Richard Sandiford <rsandifo@nildram.co.uk>
4296 * config/mips/mips.md (div<mode>3): Use <recip_condition> when
4297 deciding whether to use reciprocal instructions.
4299 2008-01-19 Uros Bizjak <ubizjak@gmail.com>
4301 * dwarf2out.c (dwarf2out_switch_text_section): Do not call
4302 dwarf2out_note_section_used if cold_text_section is NULL.
4304 2008-01-19 Jakub Jelinek <jakub@redhat.com>
4306 PR gcov-profile/34610
4307 * tree-cfg.c (make_edges): Mark both outgoing edges from
4308 OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
4309 * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
4310 from OMP_FOR and OMP_CONTINUE outgoing edges.
4312 * tree-profile.c (tree_profiling): Return early if
4313 cfun->after_tree_profile != 0. Set cfun->after_tree_profile
4315 * omp-low.c (expand_omp_parallel): Copy after_tree_profile
4316 from cfun to child_cfun.
4317 * function.h (struct function): Add after_tree_profile bit.
4319 2008-01-19 Anatoly Sokolov <aesok@post.ru>
4321 * config/avr/avr.S (_exit): Disable interrupt.
4323 2008-01-18 Kenneth Zadeck <zadeck@naturalbridge.com>
4324 Steven Bosscher <stevenb.gcc@gmail.com>
4326 PR rtl-optimization/26854
4327 PR rtl-optimization/34400
4328 * df-problems.c (df_live_scratch): New scratch bitmap.
4329 (df_live_alloc): Allocate df_live_scratch when doing df_live.
4330 (df_live_reset): Clear the proper bitmaps.
4331 (df_live_bb_local_compute): Only process the artificial defs once
4332 since the order is not important.
4333 (df_live_init): Init the df_live sets only with the variables
4334 found live by df_lr.
4335 (df_live_transfer_function): Use the df_lr sets to prune the
4336 df_live sets as they are being computed.
4337 (df_live_free): Free df_live_scratch.
4339 2008-01-18 Ian Lance Taylor <iant@google.com>
4341 * common.opt: Add fmerge-debug-strings.
4342 * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
4343 flag_merge_debug_strings rather than flag_merge_constants.
4344 * doc/invoke.texi (Option Summary): Mention
4345 -fmerge-debug-strings.
4346 (Debugging Options): Document -fmerge-debug-strings.
4348 2008-01-18 Ian Lance Taylor <iant@google.com>
4351 * tree.h (DECL_IS_OPERATOR_NEW): Define.
4352 (struct tree_function_decl): Add new field operator_new_flag.
4353 * tree-inline.c (expand_call_inline): When inlining a call to
4354 operator new, force the return value to go into a variable, and
4355 set DECL_NO_TBAA_P on that variable.
4356 * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
4358 2008-01-18 Uros Bizjak <ubizjak@gmail.com>
4361 * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
4362 DWARF2_DEBUGGING_INFO.
4363 (dwarf2out_note_section_used): Ditto. Add prototype.
4364 (have_multiple_function_sections, text_section_used,
4365 cold_text_section_used, *cold_text_sections): Move declarations
4368 2008-01-17 Bob Wilson <bob.wilson@acm.org>
4370 * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
4371 field and add signal_ra.
4372 * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
4373 assignments to frame state pc. Move end of stack check after
4374 MD_FALLBACK_FRAME_STATE_FOR.
4375 (uw_update_context_1): Use frame state signal_regs if set, instead
4376 of checking signal_frame flag.
4377 (uw_update_context): Use frame state signal_ra if set.
4378 * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
4379 * config/xtensa/linux-unwind.h: New file.
4381 2008-01-18 Bernhard Fischer <aldot@gcc.gnu.org>
4383 * modulo-sched.c (get_sched_window): Fix comment typo.
4385 2008-01-17 Andrew MacLeod <amacleod@redhat.com>
4387 PR tree-optimization/34648
4388 * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
4390 2008-01-17 Anatoly Sokolov <aesok@post.ru>
4392 * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
4393 * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
4395 2008-01-17 Seongbae Park <seongbae.park@gmail.com>
4397 PR rtl-optimization/34400
4398 * df-core.c (df_worklist_dataflow_overeager,
4399 df_worklist_dataflow_doublequeue): New functions.
4400 (df_worklist_dataflow): Two different worklist solvers.
4401 * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
4404 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
4407 * doc/invoke.texi: Document the dependence on pthread for fopenmp
4408 and ftree-parallelize-loops.
4410 2008-01-17 Mircea Namolaru <namolaru@il.ibm.com>
4412 PR rtl-optimization/34826
4413 * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
4415 2008-01-17 Andreas Krebbel <krebbel1@de.ibm.com>
4417 * global.c (find_reg): Mark the eh regs as used if necessary.
4418 * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
4419 * ra.h (struct allocno): no_eh_reg field added. Changed
4420 no_stack_reg type to bitfield.
4422 2008-01-17 Eric Botcazou <ebotcazou@adacore.com>
4424 * tree.c (substitute_in_expr): Add missing 'break'.
4426 2008-01-17 Richard Guenther <rguenther@suse.de>
4428 PR tree-optimization/34825
4429 * tree-ssa-math-opts.c (is_division_by): Do not recognize
4430 x / x as division to handle.
4432 2008-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4434 * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
4435 "-pthread" is specified.
4436 * pa-hpux11.h (LIB_SPEC): Likewise.
4438 2008-01-16 Janis Johnson <janis187@us.ibm.com>
4439 Peter Bergner <bergner@vnet.ibm.com>
4441 PR rtl-optimization/33796
4442 * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
4444 2008-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4446 PR libgfortran/34699
4447 * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
4449 * pa-hpux10.h (LINK_SPEC): Likewise.
4450 * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
4452 2008-01-16 Richard Guenther <rguenther@suse.de>
4455 * fold-const.c (fold_convert_const_int_from_int): Do not
4456 set overflow if that occured only because of a sign extension
4457 change when converting from/to a sizetype with the same
4458 precision and signedness.
4460 2008-01-16 Uros Bizjak <ubizjak@gmail.com>
4463 * dwarf2out.c (output_call_frame_info): Move output of FDE initial
4464 location address to the correct place. Update copyright year.
4466 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
4468 * lambda-code.c (lambda_transform_legal_p): Handle the case of
4469 no dependences in the dependence_relations vector.
4471 2008-01-16 Jan Hubicka <jh@suse.cz>
4473 PR rtl-optimization/31396
4474 * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
4475 * cfg.c (dump_reg_info): Print it.
4476 * regs.h (struct reg_info_t): add freq_calls_crossed.
4477 (REG_FREQ_CALLS_CROSSED): New macro.
4478 * global.c (global_alloc): Compute freq_calls_crossed for allocno.
4479 (find_reg): Update call of CALLER_SAVE_PROFITABLE.
4480 * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
4481 regmove_optimize): Update call crossed frequencies.
4482 * local-alloc.c (struct qty): Add freq_calls_crossed.
4483 (alloc_qty): Copute freq_calls_crossed.
4484 (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
4485 (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
4486 * ra.h (struct allocno): Add freq_calls_crossed.
4488 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
4490 * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
4491 libgomp when compiling with ftree-parallelize-loops.
4492 (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
4494 2008-01-16 Richard Guenther <rguenther@suse.de>
4496 PR tree-optimization/34769
4497 * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
4498 * tree.c (int_cst_value): Instead make this function more
4499 permissive in what it accepts as valid input. Document this
4500 function always sign-extends the value.
4502 2008-01-16 Jakub Jelinek <jakub@redhat.com>
4503 Richard Guenther <rguenther@suse.de>
4506 * gimplify.c (fold_indirect_ref_rhs): Rename to ...
4507 (gimple_fold_indirect_ref_rhs): ... this.
4508 (gimple_fold_indirect_ref): New function with foldings
4509 that preserve lvalueness.
4510 (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
4511 * tree-flow.h (gimple_fold_indirect_ref): Declare.
4512 * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
4513 to fold an INDIRECT_REF, fall back to the old use of
4514 fold_indirect_ref_1.
4516 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
4518 * tree-data-ref.c (subscript_dependence_tester_1): Call
4519 free_conflict_function.
4520 (compute_self_dependence): Same.
4522 2008-01-16 Uros Bizjak <ubizjak@gmail.com>
4525 * debug.h (dwarf2out_switch_text_section): Move declaration from ...
4526 * dwarf2out.c (dwarf2out_switch_text_section): ... here. Make
4528 * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
4529 Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
4530 for DWARF2_UNWIND_INFO targets.
4532 2008-01-16 Richard Guenther <rguenther@suse.de>
4535 * c-typeck.c (common_pointer_type): Do not merge inconsistent
4536 type qualifiers for function types.
4538 2008-01-15 Jerry DeLisle <jvdelisle@gcc.gnu.org>
4540 * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
4541 loop_iterator li from previous commit.
4543 2008-01-15 Sebastian Pop <sebastian.pop@amd.com>
4545 * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
4547 2008-01-12 Sebastian Pop <sebastian.pop@amd.com>
4549 * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
4550 (parallelize_loops): Don't parallelize irreducible components.
4552 2008-01-14 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4555 * c-opts (c_common_post_options): Do not enable CPP
4556 flag_pedantic_errors by default.
4558 2008-01-14 Eric Botcazou <ebotcazou@adacore.com>
4560 PR rtl-optimization/31944
4561 * cse.c (remove_pseudo_from_table): New function.
4562 (merge_equiv_classes): Use above function to remove pseudo-registers.
4563 (invalidate): Likewise.
4565 2008-01-13 Richard Guenther <rguenther@suse.de>
4568 * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
4569 instead of TYPE_MODE to deal with calls from expand_one_error_var.
4571 2008-01-13 Uros Bizjak <ubizjak@gmail.com>
4573 * gcse.c (cprop_jump): Call validate_unshare_change instead of
4574 validate_change to unshare the source of the PC set.
4576 2008-01-12 Jan Hubicka <jh@suse.cz>
4579 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
4580 references above array bounds. This might trigger bounds checks for
4583 2008-01-12 Sebastian Pop <sebastian.pop@amd.com>
4585 * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
4586 new_replaceable_dependencies.
4588 2008-01-12 Doug Kwan <dougkwan@google.com>
4590 * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
4591 instead of OPT_Wreturn_type in warning due to ignored return type
4593 * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
4594 options included in -Wextra.
4595 * c.opt: New option -Wignored_qualifiers.
4596 * doc/invoke.texi (Warning Options, -Wextra): Add new option
4597 -Wignore_qualifiers.
4598 (-Wignored-qualifiers): Document.
4599 (-Wreturn-type): Remove description of functionality now handled
4600 by -Wignored-qualifiers.
4602 2008-01-12 Eric Botcazou <ebotcazou@adacore.com>
4605 * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
4606 NOP_EXPR if it is between integral types with the same precision.
4608 2008-01-12 Jan Hubicka <jh@suse.cz>
4611 * invoke.texi (max-inline-recursive-depth): Fix default value.
4613 2008-01-12 Zdenek Dvorak <ook@ucw.cz>
4615 * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
4618 2008-01-11 Bob Wilson <bob.wilson@acm.org>
4620 * config/xtensa/xtensa.c (override_options): Set flag_shlib.
4622 2008-01-11 James E. Wilson <wilson@specifix.com>
4625 * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
4627 2008-01-11 Anatoly Sokolov <aesok@post.ru>
4629 * config/avr/avr.c (expand_prologue, expand_epilogue): Don't
4630 save/restore frame pointer register and don't use 'call-prologues'
4631 optimization in function with "OS_task" attribute.
4633 2008-01-11 Eric Botcazou <ebotcazou@adacore.com>
4636 * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
4637 when copying to memory.
4639 2008-01-11 Steven Bosscher <stevenb.gcc@gmail.com>
4641 PR rtl-optimization/30905
4642 * cfgcleanup.c: Include dce.h
4643 (crossjumps_occured): New global variable.
4644 (try_crossjump_bb): Exit loop after finding a fallthru edge.
4645 If something changed, set crossjumps_occured to true.
4646 (try_optimize_cfg): Clear crossjumps_occured at the beginning.
4647 Don't add/remove fake edges to exit here...
4648 (cleanup_cfg): ...but do it here, when crossjumping.
4649 Run a fast DCE when successful crossjumps occured in the latest
4650 iteration of try_optimize_cfg.
4652 2008-01-11 Richard Guenther <rguenther@suse.de>
4654 * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
4655 (struct vn_unary_op_s): Likewise.
4656 (vn_reference_insert): Free old reference on hash collision.
4658 2008-01-10 Raksit Ashok <raksit@google.com>
4660 PR rtl-optimization/27971
4661 * combine.c (find_split_point): Split PLUS expressions which are
4662 inside a MEM rtx, and whose first operand is complex.
4664 2008-01-10 DJ Delorie <dj@redhat.com>
4666 * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
4667 (m32c_hard_regno_nregs): ...this, which is now a wrapper.
4668 (m32c_hard_regno_ok): Call the underlying function.
4670 2008-01-10 Richard Guenther <rguenther@suse.de>
4673 * tree-cfg.c (tree_merge_blocks): Do not go through the
4674 full-blown folding and stmt updating path if we just deal
4675 with virtual operands.
4676 * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
4677 test for abnormal SSA_NAMEs.
4679 2008-01-10 Andreas Krebbel <krebbel1@de.ibm.com>
4682 * reload.c (push_reload): Add assertions. All constants from
4683 reg_equiv_constant should have been used for replacing the respective
4685 (find_reloads_address): Invoke find_reloads_address_part for
4686 constant taken from the reg_equiv_constant array.
4688 2008-01-10 Steven Bosscher <stevenb.gcc@gmail.com>
4690 * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
4691 field (valnum) the first in the struct. Replace bools with
4694 2008-01-10 Richard Guenther <rguenther@suse.de>
4696 PR tree-optimization/34651
4697 * tree-sra.c (sra_build_assignment): Sanitize. Use the correct
4698 types and ordering for masking and converting.
4700 2008-01-09 Sebastian Pop <sebastian.pop@amd.com>
4702 PR tree-optimization/34017
4703 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
4704 also for PHI_NODE expressions.
4706 2008-01-09 Jan Hubicka <jh@suse.cz>
4708 PR tree-optimization/34708
4709 * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
4710 based on number of case labels.
4711 (init_inline_once): Remove switch_cost.
4712 * tree-inline.h (eni_weights_d): Remove switch_cost.
4714 2008-01-09 Richard Guenther <rguenther@suse.de>
4715 Andrew Pinski <andrew_pinski@playstation.sony.com>
4718 * gimplify.c (gimplify_cond_expr): Do not create an addressable
4719 temporary if an rvalue is ok or an lvalue is not required.
4721 2008-01-09 Richard Guenther <rguenther@suse.de>
4724 * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
4727 2008-01-09 Richard Guenther <rguenther@suse.de>
4730 * tree.c (host_integerp): Check for sizetype only if the
4731 type is an integer type.
4733 2008-01-09 Steven Bosscher <stevenb.gcc@gmail.com>
4736 * opts.c (decode_options): Disable inlining of functions called
4737 once if not in unit-at-a-time mode.
4739 2008-01-09 Alexandre Oliva <aoliva@redhat.com>
4741 * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
4743 2008-01-08 Richard Guenther <rguenther@suse.de>
4746 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
4747 out early if the result will be unused.
4749 2008-01-08 Uros Bizjak <ubizjak@gmail.com>
4754 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
4755 * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
4758 2008-01-08 Jan Sjodin <jan.sjodin@amd.com>
4760 * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
4761 for vectorization tuned.
4763 2008-01-08 Richard Guenther <rguenther@suse.de>
4765 PR tree-optimization/34683
4766 * tree-ssa-operands.c (operand_build_cmp): Export.
4767 * tree-ssa-operands.h (operand_build_cmp): Declare.
4768 * tree-vn.c (vuses_compare): Remove.
4769 (sort_vuses): Use operand_build_cmp.
4770 (sort_vuses_heap): Likewise.
4771 * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
4772 to re-use old VEC if available. Do not sort already sorted VUSEs.
4773 (vdefs_to_vec): Do not sort already sorted VDEFs.
4775 2008-01-08 Jakub Jelinek <jakub@redhat.com>
4778 * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
4780 2008-01-08 Uros Bizjak <ubizjak@gmail.com>
4783 * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
4784 limitations of reciprocal sequences on x86 targets.
4786 2008-01-08 Richard Guenther <rguenther@suse.de>
4788 PR tree-optimization/34683
4789 * tree-flow-inline.h (var_ann): Remove overzealous asserts.
4791 2008-01-07 Jakub Jelinek <jakub@redhat.com>
4794 * config/darwin.c (darwin_mergeable_string_section): Don't use
4795 .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
4797 2008-01-07 Uros Bizjak <ubizjak@gmail.com>
4800 * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
4801 negxf2. Macroize expander using X87MODEF mode iterator. Change
4802 predicates of op0 and op1 to register_operand.
4803 (abs<mode>2): Rename from abssf2, absdf2 and negxf2. Macroize
4804 expander using X87MODEF mode iterator. Change predicates of
4805 op0 and op1 to register_operand.
4806 ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
4807 corresponding patterns and macroize using MODEF macro. Change
4808 predicates of op0 and op1 to register_operand and remove
4809 "m" constraint. Disparage "r" alternative with "!".
4810 ("*absneg<mode>2_i387"): Rename from corresponding patterns and
4811 macroize using X87MODEF macro. Change predicates of op0 and op1
4812 to register_operand and remove "m" constraint. Disparage "r"
4813 alternative with "!".
4814 (absneg splitter with memory operands): Remove.
4815 ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
4816 patterns and macroize using X87MODEF mode iterator.
4817 * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
4818 Change predicate of op1 to register_operand.
4819 * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
4820 for memory operands.
4822 2008-01-07 Nathan Froyd <froydnj@codesourcery.com>
4824 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
4826 2008-01-07 Richard Guenther <rguenther@suse.de>
4828 * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
4831 2008-01-07 Richard Guenther <rguenther@suse.de>
4833 PR tree-optimization/34683
4834 * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
4835 VOPs of the needed size to save memory. Use VEC_quick_push
4836 to save compile-time.
4837 (vdefs_to_vec): Likewise.
4839 2008-01-07 Sa Liu <saliu@de.ibm.com>
4841 * config/spu/spu.md (divdf3): Genetate inline code for double
4842 division. The implementation doesn't handle INF or NAN, therefore it
4843 only applies when -ffinite-math-only is given.
4845 2008-01-06 Paolo Carlini <pcarlini@suse.de>
4848 * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
4849 * doc/cpp.texi ([Common Predefined Macros]): Document.
4851 2008-01-06 Uros Bizjak <ubizjak@gmail.com>
4853 * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
4854 order to use commutative addition instead of subtraction.
4856 2008-01-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
4857 Mircea Namolaru <namolaru@il.ibm.com>
4858 Vladimir Yanovsky <yanov@il.ibm.com>
4859 Revital Eres <eres@il.ibm.com>
4861 PR tree-optimization/34263
4862 * tree-outof-ssa.c (process_single_block_loop_latch,
4863 contains_tree_r): New functions.
4864 (analyze_edges_for_bb): Call process_single_block_loop_latch
4865 function to empty single-basic-block latch block if possible.
4867 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
4869 * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
4871 (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
4873 2008-01-05 Richard Sandiford <rsandifo@nildram.co.uk>
4875 * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
4877 2008-01-05 Richard Sandiford <rsandifo@nildram.co.uk>
4879 * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
4881 2008-01-05 Jakub Jelinek <jakub@redhat.com>
4883 PR tree-optimization/34618
4884 * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
4887 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
4890 * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
4891 in the call to gen_rtx_NE. Remove unneeded VECTOR_MODE_P check.
4892 Update copyright year.
4894 * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
4895 Update copyright year.
4896 * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
4899 2008-01-05 Zhouyi Zhou <zhouzhouyi@FreeBSD.org>
4901 * tree-vrp.c (find_conditional_asserts): Remove redundant check that
4902 edge does not point to current bb before changing need_assert.
4904 2008-01-04 Richard Guenther <rguenther@suse.de>
4907 * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
4908 for verifying purposes if they are is_gimple_min_invariant.
4910 2008-01-04 Aldy Hernandez <aldyh@redhat.com>
4912 PR tree-optimization/34448
4913 PR tree-optimization/34465
4914 * gimplify.c (gimplify_init_constructor): Add new parameter
4915 notify_temp_creation. Use it.
4916 (gimplify_modify_expr_rhs): Take volatiles into account when
4917 optimizing constructors.
4918 Do not optimize constructors if gimplify_init_constructor will dump to
4920 * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
4921 * gcc.c-torture/compile/pr34448.c: New.
4923 2008-01-04 Jakub Jelinek <jakub@redhat.com>
4925 PR gcov-profile/34609
4926 * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
4927 return_slot if result is TREE_ADDRESSABLE.
4929 2008-01-04 Richard Sandiford <rsandifo@nildram.co.uk>
4931 * config/mips/mips.md (sqrt_condition): Tweak comment.
4932 (recip_condition): Likewise. Require TARGET_FLOAT64 for DFmode.
4934 2008-01-03 Tom Tromey <tromey@redhat.com>
4937 * c-common.c (c_type_hash): Handle VLAs.
4939 2008-01-03 Jan Hubicka <jh@suse.cz>
4941 PR tree-optimization/31081
4942 * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
4943 0 when inlining and not inlining to first basic block.
4944 (remap_decl): When var is initialized to 0, don't set default_def.
4945 (expand_call_inline): Set entry_bb.
4946 * tree-inline.h (copy_body_data): Add entry_bb.
4948 2008-01-03 Jakub Jelinek <jakub@redhat.com>
4951 * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
4954 PR tree-optimization/29484
4955 * tree-inline.c (inline_forbidden_p_2): New function.
4956 (inline_forbidden_p): Disallow inlining if some static var
4957 has an address of a local LABEL_DECL in its initializer.
4958 * doc/extend.texi (Labels as Values): Document &&foo behaviour
4961 2008-01-03 Sebastian Pop <sebastian.pop@amd.com>
4963 PR tree-optimization/34635
4964 * tree-data-ref.c (add_other_self_distances): Make sure that the
4965 evolution step is constant.
4967 2008-01-03 Jakub Jelinek <jakub@redhat.com>
4970 * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
4972 2008-01-02 Richard Sandiford <rsandifo@nildram.co.uk>
4974 * tree-sra.c (scalarize_init): Insert the generate_element_init
4975 statements after the generate_element_zero statements.
4977 2008-01-02 Richard Guenther <rguenther@suse.de>
4981 * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
4982 for very large number of operands instead of ICEing.
4984 2008-01-02 Arthur Norman <acn1@cam.ac.uk>
4987 * config/i386/i386.c (ix86_expand_prologue): Save red-zone
4988 while stack probing.
4990 2008-01-01 Douglas Gregor <doug.gregor@gmail.com>
4992 * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
4995 2008-01-01 Volker Reichelt <v.reichelt@netcologne.de>
4998 * tree-mudflap.c (mx_register_decls): Guard warning by
4999 !DECL_ARTIFICIAL check.
5001 2008-01-01 Jakub Jelinek <jakub@redhat.com>
5003 * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
5004 sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
5005 sse5_perm<mode>): Fix constraints.