1 2012-04-06 Walter Lee <walt@tilera.com>
4 2012-03-07 Walter Lee <walt@tilera.com>
6 * config/tilegx/tilegx.c (tilegx_expand_prologue): Don't generate
7 REG_CFA_* notes for the stack pointer.
8 (tilegx_expand_epilogue): Restore stack pointer by adjusting it by
9 EH_RETURN_STACKADJ_RTX.
10 * config/tilepro/tilepro.c (tilepro_expand_prologue): Don't
11 generate REG_CFA_* notes for the stack pointer.
12 (tilepro_expand_epilogue): Restore stack pointer by adjusting it
13 by EH_RETURN_STACKADJ_RTX.
15 2012-04-06 Matt Turner <mattst88@gmail.com>
17 * doc/install.texi: Correct typo "-mno-lsc" -> "-mno-llsc".
19 2012-04-06 Eric Botcazou <ebotcazou@adacore.com>
21 * config/ia64/ia64.c (ia64_load_pair_ok): Return 0 if the second member
22 of the destination isn't also a FP_REGS register.
24 2012-04-03 Richard Guenther <rguenther@suse.de>
26 Backport from mainline
27 2012-03-02 Richard Guenther <rguenther@suse.de>
29 PR tree-optimization/52406
30 * tree-data-ref.h: Update documentation about DR_BASE_OBJECT.
31 (struct indices): Add unconstrained_base member.
32 (struct dr_alias): Remove unused vops member.
33 (DR_UNCONSTRAINED_BASE): New define.
34 * tree-data-ref.c (dr_analyze_indices): For COMPONENT_REFs
35 add indices to allow their disambiguation. Make DR_BASE_OBJECT
36 be an artificial access that covers the whole indexed object,
37 or mark it with DR_UNCONSTRAINED_BASE if we cannot do so. Canonicalize
38 plain decl base-objects to their MEM_REF variant.
39 (dr_may_alias_p): When the base-object of either data reference
40 has unknown size use only points-to information.
41 (compute_affine_dependence): Make dumps easier to read and
43 * tree-vect-data-ref.c (vector_alignment_reachable_p): Use
44 DR_REF when looking for packed references.
45 (vect_supportable_dr_alignment): Likewise.
47 2012-04-03 Richard Guenther <rguenther@suse.de>
49 Backport from mainline
50 2012-03-15 Richard Guenther <rguenther@suse.de>
53 * tree-data-ref.c (subscript_dependence_tester_1): Check
54 all dimensions for non-conflicting access functions.
56 2012-04-03 Richard Guenther <rguenther@suse.de>
58 Backport from mainline
59 2012-03-06 Richard Guenther <rguenther@suse.de>
62 * tree-ssa-alias.c (ptr_derefs_may_alias_p): Robustify.
64 2012-03-23 Richard Guenther <rguenther@suse.de>
66 PR tree-optimization/52678
67 * tree-vectorizer.h (struct _stmt_vec_info): Add
68 loop_phi_evolution_part member.
69 (STMT_VINFO_LOOP_PHI_EVOLUTION_PART): New define.
70 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Initialize
71 STMT_VINFO_LOOP_PHI_EVOLUTION_PART.
72 * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
73 Use the cached evolution part and the PHI nodes value from
74 the loop preheader edge instead of re-analyzing the evolution.
76 2012-03-26 Richard Guenther <rguenther@suse.de>
78 PR tree-optimization/52701
79 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Always
80 compute and set the evolution part of PHI nodes.
82 2012-03-30 Richard Guenther <rguenther@suse.de>
84 PR tree-optimization/52754
85 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Only
86 propagate arbitrary addresses into really plain dereferences.
88 2012-04-03 Jakub Jelinek <jakub@redhat.com>
90 PR tree-optimization/52835
91 * tree-data-ref.c (build_rdg): Return NULL if
92 compute_data_dependences_for_loop failed.
94 2012-03-31 Eric Botcazou <ebotcazou@adacore.com>
96 * tree-cfg.c (call_can_make_abnormal_goto): New predicate.
97 (stmt_can_make_abnormal_goto): Use it.
98 (is_ctrl_altering_stmt): Likewise.
100 2012-03-31 Martin Jambor <mjambor@suse.cz>
102 Backported from mainline
103 2012-03-30 Martin Jambor <mjambor@suse.cz>
105 * tree-ssa-ccp.c (insert_clobbers_for_var): Do not assert that there
106 is a builtin_stack_save in a dominating BB.
108 2012-03-29 Uros Bizjak <ubizjak@gmail.com>
110 * config/i386/sse.md (avx_h<plusminus_insn>v4df3): Fix results
111 crossing 128bit lane boundary.
113 2012-03-29 Uros Bizjak <ubizjak@gmail.com>
115 Backported from mainline
116 2012-03-27 Uros Bizjak <ubizjak@gmail.com>
119 * config/i386/i386-protos.h (ix86_legitimize_reload_address):
121 * config/i386/i386.h (LEGITIMIZE_RELOAD_ADDRESS): New define.
122 * config/i386/i386.c: Include reload.h.
123 (ix86_legitimize_reload_address): New function.
125 2012-03-28 Martin Jambor <mjambor@suse.cz>
127 Backported from mainline
128 2012-03-27 Martin Jambor <mjambor@suse.cz>
131 * tree-sra.c (sra_modify_assign): Do not call
132 load_assign_lhs_subreplacements when working with an unscalarizable
135 2012-03-28 Jakub Jelinek <jakub@redhat.com>
138 * tree-ssa-ccp.c (optimize_stdarg_builtin): Optimize
139 __builtin_va_start to __builtin_next_arg if the latter is
140 builtin_decl_explicit_p rather than when it is not.
143 * tree-vect-generic.c (vector_element): Perform multiplication
144 for pos in bitsizetype type instead of idx type.
146 2012-03-28 Georg-Johann Lay <avr@gjlay.de>
148 Backport from 2012-03-28 mainline r185910.
151 * config/avr/avr.c (TARGET_BUILTIN_DECL): New define.
152 (avr_builtin_decl): New static function.
153 (struct avr_builtin_description, avr_bdesc): Move up.
154 Add GTY marker. Add field fndecl. Remove redundant field id.
155 (avr_init_builtins): Initialize avr_bdesc[ID].fndecl.
156 (avr_expand_builtin): Code cleanup because .id is removed.
158 2012-03-28 Aurelien Buhrig <aurelien.buhrig.gcc@gmail.com>
161 * expmed.c (store_bit_field_1): Fix wordnum value for big-endian
164 2012-03-28 Georg-Johann Lay <avr@gjlay.de>
166 Backport from 2012-03-28 mainline r185907.
169 * config.gcc (tm_file): Remove avr/multilib.h.
171 * doc/invoke.texi (AVR Options): Adjust
172 documentation of -mtiny-stack.
174 * config/avr/genmultilib.awk: Remove code to generate multilib.h.
175 (BEGIN): Use -msp8 as multilib option instead of -mtiny-stack.
176 * config/avr/t-avr: Remove generation of multilib.h.
177 * config/avr/t-multilib: Regenerate.
178 * config/avr/multilib.h: Remove.
179 * config/avr/avr.opt (-msp8): New option.
180 (avr_sp8): New variable.
181 * config/avr/driver-avr.c (avr_device_to_sp8): New function.
182 * config/avr/avr.h (AVR_HAVE_SPH): New define.
183 (AVR_HAVE_8BIT_SP): Also set by avr_sp8 i.e. -msp8.
184 (avr_device_to_sp8): New prototype.
185 (EXTRA_SPEC_FUNCTIONS): Add { "device_to_sp8", avr_device_to_sp8 }
186 (DRIVER_SELF_SPECS): New define.
187 * config/avr/avr-c.c (avr_cpu_cpp_builtins): New built-in defines:
188 __AVR_SP8__, __AVR_HAVE_SPH__.
189 * config/avr/avr.c (output_movhi): Use AVR_HAVE_SPH instead of
190 AVR_HAVE_8BIT_SP to decide if SP_H is present.
191 (avr_file_start): Ditto.
193 2012-03-28 Jakub Jelinek <jakub@redhat.com>
196 * config/i386/sse.md (sse2_loadlpd splitter): Use offset 0
197 instead of 8 in adjust_address.
199 2012-03-27 Eric Botcazou <ebotcazou@adacore.com>
201 * expmed.c (store_bit_field): Assert that BITREGION_START is a multiple
202 of a unit before computing the offset in units.
204 2012-03-27 Richard Guenther <rguenther@suse.de>
207 * fold-const.c (try_move_mult_to_index): Handle &x.array more
210 2012-03-24 Eric Botcazou <ebotcazou@adacore.com>
213 * config/sparc/sparc.h (ASM_CPU_SPEC): Pass -Av8 if -mcpu=leon.
215 2012-03-24 Steven Bosscher <steven@gcc.gnu.org>
218 * varasm.c: Include pointer-set.h.
219 (pending_assemble_externals_set): New pointer set.
220 (process_pending_assemble_externals): Destroy the pointer set.
221 (assemble_external): See if decl is in pending_assemble_externals_set,
222 and add it to pending_assemble_externals if necessary.
223 (init_varasm_once): Allocate pending_assemble_externals_set.
225 2012-03-23 Michael Meissner <meissner@linux.vnet.ibm.com>
227 Backported from mainline
228 2012-03-06 Michael Meissner <meissner@linux.vnet.ibm.com>
231 * config/rs6000/vector.md (vector_uneq<mode>): Add support for
232 UNEQ, LTGT, ORDERED, and UNORDERED IEEE vector comparisons.
233 (vector_ltgt<mode>): Likewise.
234 (vector_ordered<mode>): Likewise.
235 (vector_unordered<mode>): Likewise.
236 * config/rs6000/rs6000.c (rs6000_emit_vector_compare_inner): Likewise.
238 2012-03-23 Joern Rennecke <joern.rennecke@embecosm.com>
240 * config/epiphany/epiphany.c (epiphany_function_value_regno_p):
243 2012-03-22 Kaz Kojima <kkojima@gcc.gnu.org>
245 Backported from mainline
246 2012-03-02 Kaz Kojima <kkojima@gcc.gnu.org>
250 * config/sh/sh.c (sh_register_move_cost): Increase cost between
251 GENERAL_REGS and FP_REGS for SImode.
253 2012-03-22 Jakub Jelinek <jakub@redhat.com>
256 * tree-nested.c (convert_tramp_reference_stmt): Call declare_vars
257 on any new_local_var_chain vars declared during recursing on
258 GIMPLE_OMP_PARALLEL or GIMPLE_OMP_TASK body.
260 2012-03-22 Georg-Johann Lay <avr@gjlay.de>
262 Backport from 2012-03-22 mainline r185692.
265 * config/avr/avr.md (unspec): Remove UNSPEC_MEMORY_BARRIER.
266 (unspecv): Add UNSPECV_MEMORY_BARRIER.
267 (cli_sei): Use unspec_volatile instead of unspec for memory barrier.
268 (delay_cycles_1, delay_cycles_2): Ditto.
269 (delay_cycles_3, delay_cycles_4): Ditto.
270 (nopv, *nopv): Ditto.
271 (sleep, *sleep): Ditto.
274 Backport from 2012-03-21 mainline r185605.
276 PR rtl-optimization/52543
278 * config/avr/avr-protos.h (avr_load_lpm): New prototype.
279 * config/avr/avr.c (avr_mode_dependent_address_p): New function.
280 (TARGET_MODE_DEPENDENT_ADDRESS_P): New define.
281 (avr_load_libgcc_p): Restrict to __flash loads.
282 (avr_out_lpm): Only handle 1-byte loads from __flash.
283 (avr_load_lpm): New function.
284 (avr_find_unused_d_reg): Remove.
285 (avr_out_lpm_no_lpmx): Remove.
286 (adjust_insn_length): Handle ADJUST_LEN_LOAD_LPM.
287 * config/avr/avr.md (unspec): Add UNSPEC_LPM.
288 (load_<mode>_libgcc): Use UNSPEC_LPM instead of MEM.
289 (load_<mode>, load_<mode>_clobber): New insns.
290 (mov<mode>): For multi-byte move from non-generic
291 16-bit address spaces: Expand to load_<mode> resp.
293 (load<mode>_libgcc): Remove expander.
294 (split-lpmx): Remove split.
296 Backport from 2012-03-13 mainline r185329.
299 * config/avr/avr.c (avr_prologue_setup_frame): Cut down stack
300 offset (size) to a value the insns can deal with.
301 (expand_epilogue): Ditto.
303 Backport from 2012-03-12 mainline r185256.
306 * config/avr/avr.c (avr_mode_code_base_reg_class): Change return
307 type from reg_class_t to enum reg_class.
308 * config/avr/avr-protos.h (avr_mode_code_base_reg_class): Ditto.
310 Backport from 2012-03-12 mainline r185253.
313 * config/avr/avr.c (avr_out_movmem): Fix typo in output template
314 for the case ADDR_SPACE_FLASH and AVR_HAVE_LPMX introduced in
315 r184615 from 2012-02-28.
317 Backport from 2012-03-08 mainline r185105.
319 * config/avr/avr.md (*addhi3, addhi3_clobber): Add "w" alternative
320 for constants in [-63,63].
322 Backport from 2012-03-08 mainline r185100.
325 * config/avr/avr.c (avr_mem_clobber): New static function.
326 (avr_expand_delay_cycles): Add memory clobber operand to
327 delay_cycles_1, delay_cycles_2, delay_cycles_3, delay_cycles_4.
328 * config/avr/avr.md (unspec): Add UNSPEC_MEMORY_BARRIER.
329 (enable_interrupt, disable_interrupt): New expander.
330 (nopv, sleep, wdr): New expanders.
331 (delay_cycles_1): Add memory clobber.
332 (delay_cycles_2): Add memory clobber.
333 (delay_cycles_3): Add memory clobber.
334 (delay_cycles_4): Add memory clobber.
335 (cli_sei): New insn from former "enable_interrupt",
336 "disable_interrupt" with memory clobber.
337 (*wdt): New insn from former "wdt" with memory clobber.
338 (*nopv): Similar, but for "nopv".
339 (*sleep): Similar, but for "sleep".
341 Backport from 2012-03-07 mainline r185043.
344 * config/avr/avr.md (xload<mode>_A): Add R22... to register footprint.
346 Backport from 2012-03-07 mainline r185032.
349 * gcc/config/avr/avr.c (expand_epilogue): Fix order of restoration
350 to: RAMPZ, RAMPY, RAMPX, RAMPD.
351 (expand_prologue): Only clear RAMPZ if it has effect on RAM-read.
353 Backport from 2012-03-07 mainline r185031.
356 * config/avr/avr.c (avr_out_xload): Don't read unintentionally
358 * config/avr/avr.md (xload_8): Adjust insn length.
360 Backport from 2012-03-07 mainline r185030.
363 * gcc/config/avr/avr.c (avr_out_lpm): Clear RAMPZ after usage
364 if RAMPZ affects reading from RAM.
366 Backport from 2012-03-05 mainline r184919.
368 * config/avr/avr.md (*umaddqihi4.2): New insn-and-split.
370 2012-03-22 Georg-Johann Lay <avr@gjlay.de>
372 Backport from mainline r185259.
375 * output.h (SECTION_EXCLUDE, SECTION_MACH_DEP): Don't use
376 SECTION_MACH_DEP reserved bits for SECTION_EXCLUDE.
378 2012-03-22 Jakub Jelinek <jakub@redhat.com>
380 Backported from mainline
381 2012-03-13 Jakub Jelinek <jakub@redhat.com>
384 * c-parser.c (c_parser_postfix_expression)
385 <case RID_BUILTIN_SHUFFLE>: Call mark_exp_read on argument values.
387 * config/i386/smmintrin.h: Avoid /* within a comment.
388 * config/i386/nmmintrin.h: Likewise.
390 2012-03-22 Richard Guenther <rguenther@suse.de>
392 * BASE-VER: Set to 4.7.1.
393 * DEV-PHASE: Set to prerelease.
395 2012-03-22 Release Manager
397 * GCC 4.7.0 released.
399 2012-03-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
401 * doc/install.texi (Specific, *-*-solaris2*): Improve wording.
403 2012-03-15 Jakub Jelinek <jakub@redhat.com>
404 Andrew Pinski <apinski@cavium.com>
407 * builtins.c (expand_builtin_int_roundingfn_2): If expanding
408 BUILT_IN_IR{INT,OUND}* using optab fails, emit lr{int,ound}*
409 calls instead of __builtin_ir{int,ound}*.
411 2012-03-14 Jakub Jelinek <jakub@redhat.com>
414 * config/rs6000/rs6000.c (call_ABI_of_interest): Return true
417 2012-03-13 Joseph Myers <joseph@codesourcery.com>
419 * doc/invoke.texi (-std=c99), doc/standards.texi (C language):
420 Refer to GCC 4.7 version of c99status.html.
422 2012-03-12 Michael Meissner <meissner@linux.vnet.ibm.com>
424 Backport from mainline
425 2012-03-09 Michael Meissner <meissner@linux.vnet.ibm.com>
427 * config/rs6000/linux64.h (OPTION_TARGET_CPU_DEFAULT): Do not
428 redefine to be NULL if the current bit-size is different from the
431 * config/rs6000/rs6000.c (rs6000_option_override_internal): If the
432 cpu is defaulted, use PROCESSOR_DEFAULT and PROCESSOR_DEFAULT64 to
433 set the default tuning. Add asserts to make sure the cpu and tune
434 indexes are defined. Fix tests for cpu/tune index to use >= 0 to
435 test whether the index is set, instead of > 0.
436 (rs6000_file_start): Do not reset the default cpu if the current
437 bit-size is different from the configured bit-size.
439 2012-03-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
441 * doc/install.texi (Specific, i?86-*-solaris2.[89]): Update
443 (Specific, i?86-*-solaris2.10): Remove GCC 4.0 reference.
444 Update binutils references.
445 (Specific, *-*-solaris2*): Mention bundled GCC in Solaris 10 and 11.
446 Update binutils reference.
447 Update Sun as/GNU ld caveat.
448 Document binutils largefile requirement for LTO plugin.
449 Remove reference to alternate libpthread.
451 2012-03-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
453 * doc/install.texi (Specific, alpha*-dec-osf5.1): Update binutils
455 (Specific, mips-sgi-irix6): Likewise.
457 2012-03-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
459 * configure.ac (gcc_cv_as_ix86_tlsldmplt): Add label.
460 * configure: Regenerate.
462 2012-03-07 Richard Henderson <rth@redhat.com>
464 * config/m68k/m68k.h (ISA_HAS_TAS): New.
465 * config/m68k/sync.md (atomic_test_and_set): Use it.
466 (atomic_test_and_set_1): Likewise.
468 2012-03-07 Ralf Corsépius <ralf.corsepius@rtems.org>
471 * Makefile.in: Let install-gcc-ar depend on installdirs,
472 gcc-ar$(exeext), gcc-nm$(exeext), gcc-ranlib$(exeext).
473 Don't double canonicalize if cross-compiling.
475 2012-03-06 Aldy Hernandez <aldyh@redhat.com>
477 * trans-mem.c: New typedef for tm_region_p.
478 Define vector types for tm_region_p.
479 (tm_region_init): Replace region_worklist to a vector called
482 2012-03-06 Aldy Hernandez <aldyh@redhat.com>
485 * trans-mem.c (tm_region_init): Use last_basic_block.
487 2012-03-05 Richard Henderson <rth@redhat.com>
490 Revert: 2011-11-26 Richard Henderson <rth@redhat.com>
491 * omp-low.c (expand_omp_atomic): Assume anything aligned to
492 BIGGEST_ALIGNMENT is aligned.
494 2012-03-05 Oleg Endo <olegendo@gcc.gnu.org>
496 * config/sh/sh.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New hook.
498 2012-03-05 Richard Henderson <rth@redhat.com>
501 * config/m68k/sync.md (atomic_test_and_set): Use expand_simple_unop
502 instead of calling negqi2 directly.
504 2012-03-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
506 * config/mips/iris6.h [!USED_FOR_TARGET] (long_intmax): Declare.
507 (INTMAX_TYPE): Use it.
508 (UINTMAX_TYPE): Likewise.
509 (SUBTARGET_OVERRIDE_OPTIONS): Define.
510 (irix6_c_common_override_options): Declare.
511 (C_COMMON_OVERRIDE_OPTIONS): Define.
512 * config/mips/mips.c [TARGET_IRIX6] (long_intmax): Define.
513 * config/mips/irix6-c.c: New file.
514 * config/mips/t-irix6 (irix6-c.o): New target.
515 * config.gcc (mips-sgi-irix6.5): Set c_target_objs,
518 2012-03-02 Richard Henderson <rth@redhat.com>
520 * optabs.c (expand_atomic_test_and_set): Honor
521 atomic_test_and_set_trueval even when atomic_test_and_set
524 2012-03-02 Peter Bergner <bergner@vnet.ibm.com>
526 Backport from mainline
527 2012-03-02 Peter Bergner <bergner@vnet.ibm.com>
529 * config/rs6000/vsx.md (vsx_set_<mode>): Reorder operands.
531 2012-03-02 Richard Guenther <rguenther@suse.de>
533 * DEV-PHASE: Set to prerelease.
535 2012-03-01 Richard Earnshaw <rearnsha@arm.com>
537 * config.gcc (obsolete): Add all ARM targets using the FPA.
538 (with_fpu): Obsolete selection of the FPA or Maverick on ARM.
539 * doc/install.texi: Avoid references to obsolete ARM ports.
541 2012-03-01 Joern Rennecke <joern.rennecke@embecosm.com>
543 * config/epiphany/epiphany.md (movmisalign<mode>): New patterns.
545 2012-03-01 Jeremy Bennett <jeremy.bennett@embecosm.com>
546 Joern Rennecke <joern.rennecke@embecosm.com>
548 * doc/extend.texi: Expand and update information on interrupt
549 attribute for Epiphany.
551 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
553 * config/sh/sh-protos.h: Update copyright notice dates.
554 * config/sh/sh.h: Likewise.
555 * config/sh/sh.md: Likewise.
556 * config/sh/constraints.md: Likewise.
557 * config/sh/predicates.md: Likewise.
559 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
561 * config/sh/sh-protos.h (tertiary_reload_operand): Remove dead function.
562 * config/sh/sh.c (tertiary_reload_operand): Likewise.
564 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
566 * config/sh/constraints.md: Fix comment typo.
568 2012-03-01 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
571 * config/pa/pa.md (zvdep_imm32): Change type of variable x from int to
572 unsigned HOST_WIDE_INT.
573 (zvdep_imm64): Likewise.
574 (vdepi_ior): Change type of variable x from int to HOST_WIDE_INT.
575 (vdepi_and): Likewise.
576 Likewise for unamed 64-bit patterns.
577 * config/pa/predicates.md (lhs_lshift_cint_operand): Update comment.
579 2012-03-01 Alexandre Oliva <aoliva@redhat.com>
582 PR rtl-optimization/52417
583 * cselib.c (cselib_any_perm_equivs): New variable.
584 (cselib_reset_table): Check that it's not set when not
585 preserving constants.
586 (cselib_add_permanent_equiv): Set it.
587 (cselib_have_permanent_equivalences): New.
588 (cselib_init, cselib_finish): Reset it.
589 * cselib.h (cselib_have_permanent_equivalences): Declare.
590 * alias.c (get_addr): Restore earlier behavior when there
591 aren't permanent equivalences.
593 2012-03-01 Steven Bosscher <steven@gcc.gnu.org>
595 * config/mn10300/mn10300-modes.def: Fix copyright notice.
596 * config/v850/v850-modes.def: Fix copyright notice.
598 2012-03-01 Georg-Johann Lay <avr@gjlay.de>
600 * doc/extend.texi (AVR Built-in Functions): Document
601 __builtin_avr_flash_segment.
603 * config/avr/builtins.def (__builtin_avr_flash_segment): New entry.
604 * config/avr/avr.md (flash_segment, flash_segment1): New expanders.
605 (*split.flash_segment): New insn-and-split.
606 * config/avr/avr.c (avr_init_builtins): Add local variables:
607 const_memx_void_node, const_memx_ptr_type_node,
608 char_ftype_const_memx_ptr.
610 2012-03-01 Jakub Jelinek <jakub@redhat.com>
612 PR tree-optimization/52445
613 * tree-ssa-phiopt.c (struct name_to_bb): Remove ssa_name field,
614 add ssa_name_ver, offset and size fields and change store field
616 (name_to_bb_hash, name_to_bb_eq): Adjust for the above changes.
617 (add_or_mark_expr): Likewise. Only consider previous stores
618 with the same size and offset.
619 (nt_init_block): Only look at gimple_assign_single_p stmts,
620 doesn't look at rhs2.
622 2012-03-01 Richard Guenther <rguenther@suse.de>
625 * tree-cfg.c (verify_gimple_assign_unary): Allow any
626 conversions from integral types to pointer types.
628 2012-03-01 Georg-Johann Lay <avr@gjlay.de>
630 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Restore built-in
631 defines for __UINT24_MAX__, __INT24_MAX__, __INT24_MIN__
632 unintentionally removed in r184616.
634 2012-03-01 Venkataramanan Kumar <venkataramanan.kumar@amd.com>
636 * doc/invoke.texi: Document AMD bdver2 and remove mentioning
639 2012-02-29 Jakub Jelinek <jakub@redhat.com>
640 Uros Bizjak <ubizjak@gmail.com>
643 * config/i386/sse.md (vec_set<mode>_0): Swap "*r" and "fF"
644 alternatives, add "e" constraint to the new last alternative
645 and ! to last 3 alternatives.
647 2012-02-29 Eric Botcazou <ebotcazou@adacore.com>
649 * dwarf2out.c (modified_type_die): Set DW_AT_GNAT_descriptive_type and
650 DW_AT_artificial attributes at the end of the processing.
651 (gen_array_type_die): Likewise.
652 (gen_enumeration_type_die): Likewise.
653 (gen_struct_or_union_type_die): Likewise.
654 (add_gnat_descriptive_type_attribute): Do not suppress debug info for
657 2012-02-29 Jakub Jelinek <jakub@redhat.com>
660 * expr.c (expand_assignment): If doing misaligned store that doesn't
661 cover all mode bits, perform a RMW cycle.
663 PR tree-optimization/52429
664 * tree-parloops.c (separate_decls_in_region_debug): Return early
665 if var is LABEL_DECL.
667 2012-02-29 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
669 PR tree-optimization/52424
670 * tree-ssa-dom.c (dom_opt_leave_block): Push a marker before
671 calling dom_thread_across_edge.
673 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
675 * config/avr/avr.c: Move definition of TARGET macros to end of file.
677 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
679 * config/avr/avr-protos.h (avr_output_bld): Remove unused prototype.
680 * config/avr/avr.c (avr_output_bld): Remove unused function.
681 (avr_out_sbxx_branch): Use "%T" to print bit position.
683 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
685 * config/avr/avr.md: Untabify.
687 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
689 * config/avr/avr.md (eqne): New code iterator.
690 (*dec-and-branchsi): Use it in text peephole's condition.
691 (*dec-and-branchhi): Ditto.
692 (*dec-and-branchqi): Ditto.
694 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
697 * config/avr/avr.h (ASM_SPEC): Add -mno-skip-bug if we know that
698 the device does not have the skip-bug.
700 2012-02-29 Oleg Endo <olegendo@gcc.gnu.org>
702 * doc/invoke.texi (-msoft-atomic): Add more detailed description.
703 (-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd
704 -mpretend-cmove): New.
706 2012-02-29 Jakub Jelinek <jakub@redhat.com>
709 * df.h (struct df_d): Adjust comment that hard_regs_live_count
710 doesn't count DEBUG_INSN refs.
711 * df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
714 2012-02-28 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
718 2012-02-20 Richard Guenther <rguenther@suse.de>
719 PR tree-optimization/52298
720 * tree-vect-stmts.c (vectorizable_load): Properly use
721 STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
724 2012-02-28 Aldy Hernandez <aldyh@redhat.com>
727 * gimple.h (gimple_in_transaction): New.
728 (gimple_set_in_transaction): New.
729 (struct gimple_statement_base): Add in_transaction field.
730 * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
732 (tree_ssa_lim_initialize): Compute transaction bits.
733 * tree.h (compute_transaction_bits): Protoize.
734 * trans-mem.c (tm_region_init): Use the heap to store BB
736 (compute_transaction_bits): New.
738 2012-02-28 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
740 * gcc.c (display_help): Document --help=common and sort entries
743 2012-02-28 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
745 * doc/install.texi: Document check-$LANG specific shortcuts
747 2012-02-28 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
750 * config/arm/arm.c (neon_builtin_data): Add entries for vcgeu
752 * config/arm/arm_neon.h: Regenerate.
753 * config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU.
754 (neon_vcgeu): New insn.
755 (neon_vcgtu): Likewise.
756 * config/arm/neon.ml (s_8_32, u_8_32): New lists.
757 (ops): Unsigned comparison intrinsics call a different
760 2012-02-28 Richard Guenther <rguenther@suse.de>
763 * config/i386/i386.c (ix86_expand_vector_set): Fix element
764 ordering for the VEC_CONCAT for two element vectors for
765 V2SFmode, V2SImode and V2DImode.
767 2012-02-28 Richard Earnshaw <rearnsha@arm.com>
770 * config.gcc (arm*-*-linux*): Use an unambiguous pattern for
771 detecting big-endian triplets.
773 2012-02-28 Richard Earnshaw <rearnsha@arm.com>
775 * arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine
776 mode if there is no type information available.
778 2012-02-28 Thomas Koenig <tkoenig@gcc.gnu.org>
780 PR tree-optimization/53207
781 * doc/invoke.texi: Document as experimental and relying on graphite.
783 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
785 * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
786 of initializer to changes from r184614.
788 2012-02-28 Richard Guenther <rguenther@suse.de>
790 PR tree-optimization/52395
791 * tree-sra.c (build_ref_for_offset): Also look at the base
792 TYPE_ALIGN when figuring out the alignment of the replacement.
794 2012-02-28 Richard Guenther <rguenther@suse.de>
796 PR tree-optimization/52402
797 * ipa-prop.c (ipa_modify_call_arguments): Properly use
798 mis-aligned types when creating the accesses at the call site.
800 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
802 * config/avr/builtins.def: New file.
803 * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
804 * config/avr/avr.c (enum avr_builtin_id): Use it.
805 (avr_init_builtins): Use it. And use avr_bdesc.
806 (bdesc_1arg): Remove.
807 (bdesc_2arg): Remove.
808 (bdesc_3arg): Remove.
809 (struct avr_builtin_description): Add field n_args.
810 (avr_bdesc): New static variable using builtins.def.
811 (avr_expand_builtin): Use it.
812 Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
813 (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
814 Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.
816 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
819 * config/avr/avr.md (movmem_<mode>): Replace match_operand that
820 match only one single hard register with respective hard reg rtx.
821 (movmemx_<mode>): Ditto.
822 * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
823 insn anatomy of movmem[x]_<mode>.
824 (avr_out_movmem): Same for printing assembler and operand usage.
826 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
830 * doc/extend.texi (AVR Named Address Spaces): No more try to fix
831 address spaces located outside of device flash.
833 * config/avr/avr.h (base_arch_s): Remove field n_segments.
834 (mcu_type_s): Add field n_flash.
835 * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
836 Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
837 (AVR_MCU): Add N_FLASH argument.
838 * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
839 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
840 macro __FLASH<n> if that address space makes sense for the device.
841 * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
842 outside of target flash.
843 (avr_asm_named_section): Ditto.
844 (avr_asm_select_section): Ditto.
845 (avr_addr_space_convert): Ditto.
846 (avr_emit_movmemhi): Ditto.
847 (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
848 address space is outside of device flash.
849 (avr_insert_attributes): Ditto.
850 (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
851 avr_current_arch->n_segments.
853 2012-02-27 H.J. Lu <hongjiu.lu@intel.com>
856 * config/i386/i386.md (*movabs<mode>_1): Enable only for
858 (*movabs<mode>_2): Likewise.
860 2012-02-27 Jakub Jelinek <jakub@redhat.com>
863 * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
864 s_register_operand in the test instead of REG_P. Don't call
865 gen_reg_rtx if it won't be used.
867 PR tree-optimization/52376
868 * ipa-split.c (split_function): Ignore CLOBBER stmts.
870 2012-02-27 Stuart Henderson <shenders@gcc.gnu.org>
872 * ifcvt.c (noce_get_condition): Check condition variable is not
873 small_register_classes_for_mode_p before accepting.
875 2012-02-27 Uros Bizjak <ubizjak@gmail.com>
877 * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
879 2012-02-27 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
882 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
883 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
885 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
887 2012-02-27 Oleg Endo <olegendo@gcc.gnu.org>
889 * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
891 2012-02-26 Oleg Endo <olegendo@gcc.gnu.org>
893 * config/sh/predicates.md: Remove blank lines.
894 * config/sh/sh.c: Fix typos in comments.
895 * config/sh/constraints.md: Likewise.
896 * config/sh/sh.md: Remove blank lines.
897 Fix typos in comments. Use ;; as comment characters.
899 2012-02-26 Walter Lee <walt@tilera.com>
901 * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
902 (replace_mov_pcrel_step2): Ditto.
904 2012-02-25 Alexandre Oliva <aoliva@redhat.com>
907 * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
908 (get_addr): Walk canonical value's locs. Avoid returning VALUEs
909 and locs that reference values newer than the non-canonical value
910 at hand. Return the canonical value as a worst case.
911 (memrefs_conflict_p): Walk canonical value's locs.
914 * cselib.c (preserve_only_constants): Rename to...
915 (preserve_constants_and_equivs): ... this. Split out...
916 (invariant_or_equiv_p): ... this. Preserve plus expressions
917 of other preserved expressions too.
918 (cselib_reset_table): Adjust.
919 * var-tracking.c (reverse_op): Use canonical value to build
922 2012-02-23 Kai Tietz <ktietz@redhat.com>
924 * config/i386/i386.c (ix86_delegitimize_address): Handle
925 UNSPEC_PCREL plus displacement.
927 2012-02-24 Georg-Johann Lay <avr@gjlay.de>
930 * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
931 to test for unusedness in st X addressing.
933 2012-02-24 Richard Guenther <rguenther@suse.de>
936 * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
937 (is_gimple_reg_type): Move inline ...
938 * gimple.h (is_gimple_reg_type): ... here.
940 2012-02-24 Richard Guenther <rguenther@suse.de>
943 * passes.c (execute_function_todo): When verifying SSA form
944 verify gimple form first.
945 * tree-ssa.c (verify_ssa): Do not verify gimple form here.
947 2012-02-24 Richard Guenther <rguenther@suse.de>
950 * fold-const.c (fold_addr_of_array_ref_difference): New function.
951 (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
953 2012-02-13 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
955 * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
957 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
959 * tree-phinodes.c (make_phi_node): Mark static.
960 * tree-flow.h (make_phi_node): Remove extern decl.
961 * doc/gimple.texi (make_phi_node): Remove documentation.
963 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
965 * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
966 * tree-ssa-sccvn.c (print_scc): Ditto.
968 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
970 * doc/passes.texi (Full redundancy elimination): Fix typo.
972 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
974 * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
976 2012-02-23 Eric Botcazou <ebotcazou@adacore.com>
979 * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
981 2012-02-23 Uros Bizjak <ubizjak@gmail.com>
984 * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
986 2012-02-23 Georg-Johann Lay <avr@gjlay.de>
988 * config/avr/avr.md (code_stdname): Add ior, xor.
989 (xior): New code iterator.
990 (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
991 (*<code_stdname><mode>qi.byte1-3): Ditto.
993 2012-02-23 Jakub Jelinek <jakub@redhat.com>
995 PR tree-optimization/52019
996 * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
999 2012-02-23 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1001 * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
1002 HAVE_INITFINI_ARRAY to work around namespace pollution in
1003 certain versions of newlib system headers.
1004 * config.in: Regenerate.
1005 * configure: Regenerate.
1006 * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
1007 instead of HAVE_INITFINI_ARRAY.
1009 2012-02-22 Uros Bizjak <ubizjak@gmail.com>
1012 * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
1013 is not offsettable memory reference.
1015 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
1018 * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
1019 setting avr_need_clear_bss_p for __gnu_lto* symbols.
1021 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
1023 * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
1024 * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
1026 2012-02-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1028 * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
1029 library on Solaris 8 even without TLS support.
1030 * configure: Regenerate.
1032 2012-02-22 Richard Guenther <rguenther@suse.de>
1035 * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
1036 for GIMPLE_DEBUG stmts.
1038 2012-02-22 Martin Jambor <mjambor@suse.cz>
1041 * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
1042 according to the base object.
1044 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
1046 PR rtl-optimization/50063
1047 * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
1048 and 2 (8-bit SP) in operand 2.
1049 * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
1050 setup to use movhi_sp_r instead of vanilla move to write SP.
1051 Adjust REG_CFA notes to superseed unspec.
1052 (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
1054 As function body might contain CLI or SEI: Use irq_state 0 (IRQ
1055 known to be off) only with TARGET_NO_INTERRUPTS. Never use
1056 irq_state 1 (IRQ known to be on) here.
1058 2012-02-21 Bernd Schmidt <bernds@codesourcery.com>
1060 * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
1062 * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
1063 assign_hard_reg): Likewise.
1065 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
1067 * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
1069 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
1072 (*dec-and-branchhi!=-1.d.clobber): New text peephole.
1073 (*dec-and-branchhi!=-1.l.clobber): New text peephole.
1075 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
1077 * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
1078 prototype from here to...
1079 * config/avr/avr.h: ...here.
1081 2012-02-21 Richard Earnshaw <rearnsha@arm.com>
1084 * thumb2.md (thumb2_shiftsi3_short): Split register and
1085 immediate shifts. For register shifts tie operands 0 and 1.
1086 (peephole2 for above): Check that register-controlled shifts
1087 have suitably tied operands.
1089 2012-02-21 Quentin Neill <quentin.neill@amd.com>
1092 * config/i386/bdver1.md (bdver1_call, bdver1_push,
1093 bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
1094 bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
1095 bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
1096 bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
1097 bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
1098 bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
1099 bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
1100 bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
1101 bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
1102 bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
1103 bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
1104 bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
1105 bdver1_ssevector_avx256_unaligned_load,
1106 bdver1_ssevector_sse128_unaligned_load,
1107 bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
1108 bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
1109 bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
1110 bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
1111 bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
1112 bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
1113 bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
1114 bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
1115 bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
1116 bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
1117 bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
1118 bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
1119 bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
1120 bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
1121 bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
1122 bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
1123 bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
1124 bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
1125 bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
1126 bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
1127 bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
1128 bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
1129 bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
1130 bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
1131 bdver1_ssediv_double_load, bdver1_ssediv_double,
1132 bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
1133 Add "bdver2" attribute.
1135 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1137 * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
1138 default if possible and not specified otherwise.
1140 2012-02-21 Richard Guenther <rguenther@suse.de>
1143 * gimplify.c (create_tmp_from_val): Use the main variant type
1144 for the type of the temporary we create.
1146 2012-02-21 Richard Guenther <rguenther@suse.de>
1148 PR tree-optimization/52324
1149 * gimplify.c (gimplify_expr): When re-gimplifying expressions
1150 do not gimplify a MEM_REF address operand if it is already
1153 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1155 * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
1156 TARGET_HARD_FLOAT with TARGET_HARD_DFP.
1158 2012-02-21 Richard Guenther <rguenther@suse.de>
1160 * tree-vect-stmts.c (vectorizable_load): Use pre-computed
1161 nested_in_vect_loop.
1163 2012-02-21 Jakub Jelinek <jakub@redhat.com>
1165 PR tree-optimization/52318
1166 * gimple-fold.c (gimplify_and_update_call_from_tree): Add
1167 vdef also to non-pure/const call stmts in the sequence.
1169 2012-02-20 David S. Miller <davem@davemloft.net>
1171 * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
1172 don't use the "rd %pc" instruction on v9 for PIC register loads.
1174 2012-02-20 Aldy Hernandez <aldyh@redhat.com>
1177 * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
1178 in a transaction safe function.
1180 2012-02-20 Kai Tietz <ktietz@redhat.com>
1183 * stor-layout.c (place_field): Handle desired_align for
1186 2012-02-20 Richard Guenther <rguenther@suse.de>
1188 PR tree-optimization/52298
1189 * tree-vect-stmts.c (vectorizable_store): Properly use
1190 STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
1192 (vectorizable_load): Likewise.
1193 * tree-vect-data-refs.c (vect_analyze_data_ref_access):
1194 Access DR_STEP after ensuring it is not NULL.
1196 2012-02-20 Jakub Jelinek <jakub@redhat.com>
1198 PR tree-optimization/52286
1199 * fold-const.c (fold_binary_loc): For (X & C1) | C2
1200 optimization use double_int_to_tree instead of build_int_cst_wide,
1201 rewrite to use double_int vars.
1203 2012-02-20 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1206 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
1208 Remove -e 0 from $gcc_cv_ld invocation.
1209 Only use __GLIBC_PREREQ if defined.
1210 Enable on Solaris since Solaris 8 patch.
1211 (gcc_SUN_LD_VERSION): New macro.
1212 * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
1213 gcc_SUN_LD_VERSION for version number format.
1214 * configure: Regenerate.
1215 * varasm.c (get_elf_initfini_array_priority_section): Set
1216 SECTION_NOTYPE for non-default priority.
1217 Use get_section instead of get_unnamed_section to emit
1218 .init_array/.fini_array with default priority.
1220 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
1222 * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
1223 (mips_get_tp): Set it. Record that __mips16_rdhwr binds locally.
1224 (mips_start_unique_function, mips_output_mips16_rdhwr)
1225 (mips_code_end): New functions.
1226 (TARGET_ASM_CODE_END): Define.
1228 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
1230 * config/mips/mips.c (mips16_build_call_stub): Add CFI information
1231 to stubs with non-sibling calls.
1233 2012-02-18 Sandra Loosemore <sandra@codesourcery.com>
1235 * doc/invoke.texi (-fira-* options): Copy-edit.
1236 (ira-* parameters): Copy-edit.
1238 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
1240 * doc/invoke.texi: Minor copy-edits to bring into conformance with
1241 GCC coding conventions.
1243 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
1245 * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
1246 when used as adjectives.
1248 2012-02-16 Sandra Loosemore <sandra@codesourcery.com>
1250 * doc/invoke.texi: Clean up "that"/"which" confusion.
1252 2012-02-17 Steven Bosscher <steven@gcc.gnu.org>
1254 * system.h: Poison SMALL_REGISTER_CLASSES
1255 * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
1256 * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
1258 2012-02-16 Jakub Jelinek <jakub@redhat.com>
1260 PR tree-optimization/52285
1261 * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
1262 when deciding if a call is a tail call or tail recursion.
1264 2012-02-16 Kai Tietz <ktietz@redhat.com>
1266 * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
1267 interger-constant displacement for UNSPEC_PCREL.
1269 2012-02-16 Jakub Jelinek <jakub@redhat.com>
1271 PR rtl-optimization/52208
1272 * ira-costs.c (scan_one_insn): Don't decrease mem_cost
1273 for MEMs with REG_EQUIV, if the MEM isn't general_operand.
1275 PR tree-optimization/52255
1276 * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
1277 loop->header has virtual PHI, but exit_e->dest doesn't, add
1278 virtual PHI to exit_e->dest and adjust all uses after the loop.
1281 * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
1282 children with clone_tree_hash, not after it.
1284 2012-02-16 Iain Sandoe <iains@gcc.gnu.org>
1286 * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
1287 extended identifiers.
1289 2012-02-16 Jakub Jelinek <jakub@redhat.com>
1292 * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
1293 a same_body_alias, also test whether e->callee isn't a former
1294 or current clone of the decl this is a same body alias of.
1296 PR translation/52264
1297 * cgraphunit.c (verify_cgraph_node): Fix a typo.
1299 2012-02-15 Sandra Loosemore <sandra@codesourcery.com>
1301 * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
1303 2012-02-15 Michael Meissner <meissner@linux.vnet.ibm.com>
1306 * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
1307 force_reg instead of copy_to_reg for better optimization. Force
1308 non-register or memory operands into a register.
1310 2012-02-15 Andrew MacLeod <amacleod@redhat.com>
1312 * extend.texi: Reserve upper bits of memory model for future use.
1314 2012-01-15 Georg-Johann Lay <avr@gjlay.de>
1315 Anatoly Sokolov <aesok@post.ru>
1316 Eric Weddington <eric.weddington@atmel.com>
1319 * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
1320 avrxmega4, avrxmega5, avrxmega6, avrxmega7.
1321 Rewrite initializers for .macro.
1322 * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
1323 avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
1324 atxmega32d4, atxmega32x1.
1325 avrxmega4: atxmega64a3, atxmega64d3.
1326 avrxmega5: atxmega64a1, atxmega64a1u.
1327 avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
1328 atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
1329 avrxmega7: atxmega128a1, atxmega128a1u.
1330 * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
1331 ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
1332 (struct base_arch_s): Rename reserved to xmega_p.
1333 Rename reserved2 to have_rampd.
1334 (AVR_XMEGA): New define.
1335 (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
1336 (AVR_HAVE_RAMPZ): Change definition to fit xmega.
1337 * config/avr/predicates.md (io_address_operand): Take into
1339 (low_io_address_operand): Ditto.
1340 (high_io_address_operand): Ditto.
1341 * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
1342 (enabled, movhi_sp_r): Use them.
1343 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
1344 cpp_define_formatted to built-in define __AVR_ARCH__.
1345 (__AVR_XMEGA__): New built-in define.
1346 (__AVR_HAVE_RAMPD__): New built-in define.
1347 (__AVR_HAVE_RAMPX__): New built-in define.
1348 (__AVR_HAVE_RAMPY__): New built-in define.
1349 (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
1351 * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
1352 (avr_option_override): Initialize them.
1353 (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
1354 (avr_init_expanders): Initialize them. No more block several calls.
1355 (emit_push_sfr): New static function.
1356 (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
1358 (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
1359 (avr_print_operand): Print addreeses as symbols for
1360 RAMPX, RAMPY, RAMPD, CCP.
1361 (output_movhi): Handle AVR_XMEGA when writing to SP.
1362 (avr_out_movhi_mr_r_xmega): New static function.
1363 (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
1364 (avr_file_start): Print symbol defines for __RAMPX__, __RAMPY__,
1365 __RAMPD__, __CCP__ as needed.
1367 * config/avr/multilib.h: Regenerate.
1368 * config/avr/t-multilib: Regenerate.
1369 * config/avr/avr-tables.opt: Regenerate.
1371 2012-02-15 Tobias Grosser <grosser@fim.uni-passau.de>
1373 PR tree-optimization/50561
1374 * graphite-flattening.c (lst_project_loop): Do not
1375 remove old scattering dimensions after flattening.
1376 (lst_do_flatten): Likewise.
1378 2012-02-15 Georg-Johann Lay <avr@gjlay.de>
1380 * doc/extend.texi (AVR Built-in Functions): Remove doc for
1381 __builtin_avr_map8, __builtin_avr_map16.
1382 Document __builtin_avr_insert_bits.
1384 * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
1385 (insert_bits): New insn.
1386 (adjust_len.map_bits): Rename to insert_bits.
1387 (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
1388 * avr-protos.h (avr_out_map_bits): Remove.
1389 (avr_out_insert_bits, avr_has_nibble_0xf): New.
1390 * config/avr/constraints.md (Cxf,C0f): New.
1391 * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
1392 defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
1393 New built-in define __BUILTIN_AVR_INSERT_BITS.
1394 * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
1395 (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
1396 (avr_move_bits): Rewrite.
1397 (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
1399 (avr_map_op_t): New typedef.
1400 (avr_map_op): New static variable.
1401 (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
1402 (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
1403 (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
1404 (bdesc_3arg, avr_expand_triop_builtin): New.
1405 (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
1406 (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
1407 (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
1408 (avr_map_equal_p, avr_map_sig_p): Remove.
1409 (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
1410 (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1411 (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
1412 (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1413 (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
1414 (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1416 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
1418 * config/c6x/c6x.md (reserve_cycles): New attribute.
1419 * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
1420 don't reserve functional units after the branch occurs.
1422 2012-02-14 Aldy Hernandez <aldyh@redhat.com>
1425 * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
1426 functions into non-tm_pure functions.
1428 2012-02-14 Eric Botcazou <ebotcazou@adacore.com>
1431 * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
1432 (iterative_hash_canonical_type): Likewise.
1433 * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
1436 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
1438 * haifa-sched.c (prune_ready_list): Ensure that if there is a
1439 sched-group insn, it either remains alone or the entire list is pruned.
1441 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
1443 * doc/install.texi (Prerequisites): Fix grammar.
1444 (Configuration): Likewise.
1446 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
1448 * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
1449 MPC as part of GCC before describing configuring with --with-gmp etc.
1450 (Installing GCC: Configuration): --with-gmp etc. aren't needed if
1451 sources are present.
1453 2012-02-14 Jakub Jelinek <jakub@redhat.com>
1456 * dwarf2out.c (clone_tree_hash): New function.
1457 (copy_decls_walk): Use it instead of clone_tree.
1459 2012-02-14 Richard Guenther <rguenther@suse.de>
1461 PR tree-optimization/52244
1462 PR tree-optimization/51528
1463 * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
1464 replacements for integral types.
1466 2012-02-14 Walter Lee <walt@tilera.com>
1468 * config.gcc: Handle tilegx and tilepro.
1469 * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
1471 Add HAVE_AS_TLS check for tilegx and tilepro.
1472 * configure: Regenerate.
1473 * doc/contrib.texi: Add Mat Hostetter and self.
1474 * doc/extend.texi (TILE-Gx Built-in Functions): New node.
1475 Document instruction intrinsics and network accessing intrinsics.
1476 (TILEPro Built-in Functions): New node. Document instruction
1477 intrinsics and network accessing intrinsics.
1478 * doc/install.texi (Specific, tilegx-*-linux*): Document it.
1479 (Specific, tilepro-*-linux*): Likewise.
1480 * doc/invoke.texi (TILE-Gx Options): New section.
1481 (TILEPro Options): New section.
1482 * doc/md.texi (TILE-Gx): New section.
1483 (TILEPro): New section.
1484 * common/config/tilegx/tilegx-common.c: New file.
1485 * common/config/tilepro/tilepro-common.c: New file.
1486 * config/tilegx/constraints.md: New file.
1487 * config/tilegx/linux.h: New file.
1488 * config/tilegx/mul-tables.c: New file.
1489 * config/tilegx/predicates.md: New file.
1490 * config/tilegx/sync.md: New file.
1491 * config/tilegx/t-tilegx: New file.
1492 * config/tilegx/tilegx-builtins.h: New file.
1493 * config/tilegx/tilegx-c.c: New file.
1494 * config/tilegx/tilegx-generic.md: New file.
1495 * config/tilegx/tilegx-modes.def: New file.
1496 * config/tilegx/tilegx-multiply.h: New file.
1497 * config/tilegx/tilegx-protos.h: New file.
1498 * config/tilegx/tilegx.c: New file.
1499 * config/tilegx/tilegx.h: New file.
1500 * config/tilegx/tilegx.md: New file.
1501 * config/tilegx/tilegx.opt: New file.
1502 * config/tilepro/constraints.md: New file.
1503 * config/tilepro/gen-mul-tables.cc: New file.
1504 * config/tilepro/linux.h: New file.
1505 * config/tilepro/mul-tables.c: New file.
1506 * config/tilepro/predicates.md: New file.
1507 * config/tilepro/t-tilepro: New file.
1508 * config/tilepro/tilepro-builtins.h: New file.
1509 * config/tilepro/tilepro-c.c: New file.
1510 * config/tilepro/tilepro-generic.md: New file.
1511 * config/tilepro/tilepro-modes.def: New file.
1512 * config/tilepro/tilepro-multiply.h: New file.
1513 * config/tilepro/tilepro-protos.h: New file.
1514 * config/tilepro/tilepro.c: New file.
1515 * config/tilepro/tilepro.h: New file.
1516 * config/tilepro/tilepro.md: New file.
1517 * config/tilepro/tilepro.opt: New file.
1519 2012-02-14 Jakub Jelinek <jakub@redhat.com>
1521 PR tree-optimization/52210
1522 * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
1523 vect_model_simple_cost with two entry vect_def_type array instead
1524 of an address of dt.
1526 2012-02-14 Richard Guenther <rguenther@suse.de>
1529 * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
1530 Do not stream DECL_QUALIFIER.
1531 * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
1532 * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
1533 (find_decls_types_r): Do not walk DECL_QUALIFIER.
1535 2012-02-14 Jakub Jelinek <jakub@redhat.com>
1538 * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
1541 2012-02-13 Jakub Jelinek <jakub@redhat.com>
1544 * cselib.h (cselib_subst_to_values_from_insn): New prototype.
1545 * cselib.c (cselib_subst_to_values_from_insn): New function.
1546 * sched-deps.c (add_insn_mem_dependence,
1547 sched_analyze_1, sched_analyze_2): Use it.
1549 2012-02-13 Jan Hubicka <jh@suse.cz>
1552 * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
1554 2012-02-13 Eric Botcazou <ebotcazou@adacore.com>
1556 * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
1557 (GTM_SELF_SPECS): Define if not already defined.
1558 (driver_self_specs): Add GTM_SELF_SPECS.
1559 * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
1560 (GTM_SELF_SPECS): Define.
1561 * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
1562 * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
1564 2012-02-13 Jakub Jelinek <jakub@redhat.com>
1566 * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
1569 * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
1572 * omp-low.c (expand_omp_for): If a static schedule without chunk size
1573 has NULL region->cont, force fd.chunk_size to be integer_zero_node.
1575 2012-02-13 Andrew MacLeod <amacleod@redhat.com>
1578 * doc/extend.texi : Fix another __atomic_compare_exchange typo.
1580 2012-02-13 Richard Guenther <rguenther@suse.de>
1582 PR translation/52211
1583 * passes.c (enable_disable_pass): Fix typo.
1585 2012-02-13 Jakub Jelinek <jakub@redhat.com>
1588 * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
1589 XOR for reduce_bit_field if type is unsigned.
1591 2012-02-12 Eric Botcazou <ebotcazou@adacore.com>
1593 * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
1594 disallow changes from SFmode to mode with different size in FP regs.
1596 2012-02-12 Robert Millan <rmh@gnu.org>
1597 Gerald Pfeifer <gerald@pfeifer.com>
1599 * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
1602 2012-02-11 Richard Sandiford <rdsandiford@googlemail.com>
1604 PR rtl-optimization/52175
1605 * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
1606 to frame-related instructions.
1608 2012-02-10 Jason Merrill <jason@redhat.com>
1611 * tlink.c (demangled_hash_entry): Change mangled to a VEC.
1612 (demangle_new_symbols): Fill it.
1613 (scan_linker_output): Walk it.
1614 (start_tweaking): Split out from scan_linker_output.
1615 (maybe_tweak): Update sym->chosen.
1616 * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
1618 2012-02-11 Jakub Jelinek <jakub@redhat.com>
1621 * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
1623 2012-02-11 Uros Bizjak <ubizjak@gmail.com>
1625 * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
1626 having the same mode as previous compare.
1628 2012-02-10 Eric Botcazou <ebotcazou@adacore.com>
1630 * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
1631 * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
1632 (nonlocal_goto_internal): Likewise.
1633 (nonlocal_goto): Emit a use and an indirect jump directly.
1635 2012-02-10 Andrew MacLeod <amacleod@redhat.com>
1638 * doc/extend.texi : Update comments for __atomic_compare_exchange and
1639 __atomic_{is,always}_lock_free.
1641 2012-02-10 Uros Bizjak <ubizjak@gmail.com>
1644 * config/i386/i386.c (ix86_legitimate_address_p): Disallow
1645 negative constant address for x32.
1647 2012-02-10 Richard Henderson <rth@redhat.com>
1649 * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
1650 * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
1651 for GIMPLE_TRANSACTION. Tidy if's into a switch.
1653 2012-02-10 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1654 Ira Rosen <irar@il.ibm.com>
1656 PR tree-optimization/50031
1657 * targhooks.c (default_builtin_vectorization_cost): Handle
1659 * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
1660 * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
1661 all types of reduction and pattern statements.
1662 (vect_estimate_min_profitable_iters): Likewise.
1663 * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
1664 (vect_get_load_cost): Use vec_perm for permutations; add dump logic
1665 for explicit realigns.
1666 (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
1667 * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
1669 * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
1670 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
1671 vec_perm for VSX and handle vec_promote_demote.
1673 2012-02-10 Jakub Jelinek <jakub@redhat.com>
1676 * builtins.c (fold_builtin_atomic_always_lock_free,
1677 expand_builtin_atomic_always_lock_free,
1678 fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
1679 Return and/or test boolean_true_node/boolean_false_node instead of
1680 integer_one_node/integer_zero_node.
1682 2012-02-10 Jan Hubicka <jh@suse.cz>
1685 * predict.c (predict_paths_for_bb): Prevent looping.
1686 (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
1688 2012-02-10 Roman Zhuykov <zhroma@ispras.ru>
1690 * config/arm/arm.c (output_move_double): In one case properly
1691 count number of instructions that will be emitted.
1693 2012-02-10 Richard Guenther <rguenther@suse.de>
1695 PR translation/52193
1696 * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
1698 2012-02-09 Peter Bergner <bergner@vnet.ibm.com>
1701 * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
1703 2012-02-09 Jakub Jelinek <jakub@redhat.com>
1706 * var-tracking.c (emit_note_insn_var_location): If
1707 EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
1708 emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
1709 non-NOTE_DURING_CALL_P insn.
1711 2012-02-09 Bin Cheng <bin.cheng@arm.com>
1714 * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
1716 2012-02-08 Magnus Granberg <zorry@gentoo.org>
1719 * gcc.c (switch_matches) Support switches with separated form,
1722 2012-02-08 Georg-Johann Lay <avr@gjlay.de>
1724 * config/avr/avr.md (SREG_ADDR): Remove constant definition.
1726 (RAMPZ_ADDR): Ditto.
1727 * config/avr/avr.c (avr_addr_t): New typedef.
1728 (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
1729 (avr_init_expanders): Initialize it.
1730 (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
1732 (expand_epilogue): Ditto.
1733 (avr_print_operand): Ditto.
1734 (avr_file_start): Ditto.
1735 (avr_emit_movmemhi): Ditto.
1737 2012-02-08 Richard Guenther <rguenther@suse.de>
1739 PR tree-optimization/46886
1740 * tree-flow.h (do_while_loop_p): Declare.
1741 * tree-ssa-loop-ch.c (do_while_loop_p): Export.
1742 * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
1744 2012-02-08 Andrew MacLeod <amacleod@redhat.com>
1746 * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
1747 always succeed for integers larger than a native word.
1749 2012-02-08 Richard Guenther <rguenther@suse.de>
1751 PR rtl-optimization/52170
1752 * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
1753 properly handle integer vector modes.
1755 2012-02-08 Jakub Jelinek <jakub@redhat.com>
1757 PR gcov-profile/52150
1758 * coverage.c: Include target.h.
1759 (build_var): Call targetm.strip_name_encoding on the assembler name.
1760 Change one _ into . or $ if the target allows it.
1761 * Makefile.in (coverage.o): Depend on $(TARGET_H).
1763 PR rtl-optimization/52139
1764 * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
1765 is a BARRIER after emit_insn_after_noloc, move BB_END
1766 to the last non-BARRIER insn before it.
1768 2012-02-07 Richard Sandiford <rdsandiford@googlemail.com>
1771 * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
1772 (mips_gimplify_va_arg_expr): Call it instead of
1773 std_gimplify_va_arg_expr.
1775 2012-02-07 Michael Meissner <meissner@linux.vnet.ibm.com>
1777 * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
1778 message for -mno-pointers-to-nested-function.
1780 2012-02-07 Eric Botcazou <ebotcazou@adacore.com>
1783 * expr.c (get_inner_reference): If there is an offset, add a negative
1784 bit position to it (if any).
1786 2012-02-07 Jakub Jelinek <jakub@redhat.com>
1788 PR rtl-optimization/52060
1789 * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
1790 copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
1791 before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
1792 and/or i0src_copy2 when needed.
1794 2012-02-07 Jakub Jelinek <jakub@redhat.com>
1796 * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
1797 or LTOPLUGINSONAME if have_c.
1799 * config/freebsd-spec.h: Add comment about what macros can be defined
1801 (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
1802 * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
1805 2012-02-07 Richard Guenther <rguenther@suse.de>
1807 * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
1808 newline in -alias dumps.
1810 2012-02-07 Kai Tietz <ktietz@redhat.com>
1811 Dave Korn <dave.korn.cygwin@gmail.com>
1814 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
1815 Take care that typinfo gets dllexport-attribute.
1817 2012-02-07 Jakub Jelinek <jakub@redhat.com>
1820 * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
1821 if modifier < EXPAND_SUM call force_operand on the result.
1823 2012-02-07 Joern Rennecke <joern.rennecke@embecosm.com>
1825 * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
1826 adding __forwarder_dst__ prefix if a forwarder_section attribute is
1828 (epiphany_function_type): Replace types for specific interrupts with
1829 EPIPHANY_FUNCTION_INTERRUPT.
1830 (EPIPHANY_INTERRUPT_P): Update.
1831 * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
1832 New static function.
1833 (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
1834 <disinterrupt>: Affects type identity.
1835 (epiphany_handle_interrupt_attribute): Handle variable number of
1837 (epiphany_compute_function_type): Update for new
1838 epiphany_function_type definition.
1839 (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
1840 handlers with a longcall forwarder.
1841 (epiphany_start_function): Handle multiple interrupt arguments and/or
1842 forwarder_section attribute.
1844 * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
1847 2012-02-07 Alan Modra <amodra@gmail.com>
1850 * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
1853 2012-02-06 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1855 PR tree-optimization/50969
1856 * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
1857 use vec_perm rather than vector_stmt.
1858 (vect_model_load_cost): Likewise.
1859 * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
1860 vec_perm to be the same as other vector statements.
1861 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
1862 cost of vec_perm for TARGET_VSX.
1864 2012-02-06 Richard Guenther <rguenther@suse.de>
1866 PR tree-optimization/52115
1867 * tree-sra.c (access_has_replacements_p): New function.
1868 (sra_modify_assign): Use it to decide whether a use is uninitialized.
1870 2012-02-06 Patrick Marlier <patrick.marlier@gmail.com>
1873 * trans-mem.c (expand_call_tm): Add an assertion.
1874 * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
1877 2012-02-06 Richard Guenther <rguenther@suse.de>
1879 PR tree-optimization/50955
1880 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
1881 raise cost of expressions that replace an address with an
1882 expression based on a different pointer.
1884 2012-02-06 Jakub Jelinek <jakub@redhat.com>
1887 * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
1888 CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
1890 2012-02-06 Jonathan Wakely <jwakely.gcc@gmail.com>
1893 * doc/invoke.texi (C++ Dialect Options): Use @option markup for
1894 -Weffc++ and specify guidelines come from second edition.
1896 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
1898 * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
1899 (sibcall_value_multiple_internal, call_split, call_internal_direct)
1900 (call_direct_split, call_value_split, call_value_internal_direct)
1901 (call_value_direct_split, call_value_multiple_split): Use jal and
1902 jal_macro attributes.
1904 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
1906 * reload1.c (reload_regs_reach_end_p): Replace with...
1907 (reload_reg_rtx_reaches_end_p): ...this function.
1908 (new_spill_reg_store): Update commentary.
1909 (emit_input_reload_insns): Don't clear new_spill_reg_store here.
1910 (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
1911 before setting new_spill_reg_store.
1912 (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
1913 Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
1914 Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
1915 for non-spill reload registers.
1917 2012-02-05 Ira Rosen <irar@il.ibm.com>
1919 PR tree-optimization/52091
1920 * tree-vectorizer.h (vect_is_simple_use): Add an argument.
1921 (vect_is_simple_use_1): Likewise.
1922 * tree-vect-loop.c (vectorizable_reduction): Update calls
1923 to vect_is_simple_use_1 and vect_is_simple_use.
1924 (vectorizable_live_operation): Likewise.
1925 * tree-vect-patterns.c (widened_name_p,
1926 vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
1927 * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
1928 vectorizable_call, vectorizable_conversion, vectorizable_assignment,
1929 vectorizable_shift,vectorizable_operation, vectorizable_store,
1930 vectorizable_load): Likewise.
1931 (vect_is_simple_cond): Add an argument, pass it to
1932 vect_is_simple_use_1.
1933 (vectorizable_condition): Update calls to vect_is_simple_cond,
1935 (vect_is_simple_use): Add an argument, the statement in which
1936 OPERAND is used. Check that if OPERAND's def stmt is a double
1937 reduction phi node, the use is a phi node too.
1938 (vect_is_simple_use_1): Add an argument, pass it to
1940 * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
1941 to vect_is_simple_use.
1943 2012-02-04 Jakub Jelinek <jakub@redhat.com>
1945 PR rtl-optimization/52095
1946 * modulo-sched.c (dump_insn_locator): New function.
1947 (loop_canon_p, sms_schedule): Use it.
1949 PR rtl-optimization/52113
1950 * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
1951 even for decomposable shift/zext insns.
1953 2012-02-03 Jakub Jelinek <jakub@redhat.com>
1954 Zdenek Dvorak <ook@ucw.cz>
1956 PR rtl-optimization/52092
1957 * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
1958 on get_iv_value result.
1960 2012-02-02 Andrew Pinski <apinski@cavium.com>
1964 * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
1966 2012-02-02 Jakub Jelinek <jakub@redhat.com>
1969 * diagnostic.c (diagnostic_finish): Remove trailing newlines.
1971 2012-02-02 Vladimir Makarov <vmakarov@redhat.com>
1973 PR rtl-optimization/49800
1974 * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
1975 (sched_finish): Call regstat_free_n_sets_and_refs.
1977 2012-02-02 Jia Liu <proljc@gmail.com>
1979 * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
1982 2012-02-02 Jan Hubicka <jh@suse.cz>
1983 Tom de Vries <tom@codesourcery.com>
1986 * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
1987 * varpool.c (varpool_analyze_pending_decls): Likewise.
1989 2012-02-02 Sumanth G <sumanth.gundapaneni@kpitcummins.com>
1990 Jayant R Sonar <jayant.sonar@kpitcummins.com>
1992 * config.gcc: Add cr16-* support.
1994 * doc/extend.texi: Document cr16 extensions.
1995 * doc/install.texi: Document cr16 install.
1996 * doc/invoke.texi: Document cr16 options.
1997 * doc/md.texi: Document cr16 constraints.
1999 * common/config/cr16/cr16-common.c: New file.
2000 * config/cr16/cr16.c: New file.
2001 * config/cr16/cr16.h: New file.
2002 * config/cr16/cr16.md: New file.
2003 * config/cr16/cr16.opt: New file.
2004 * config/cr16/cr16-protos.h: New file.
2005 * config/cr16/predicates.md: New file.
2006 * config/cr16/constraints.md: New file.
2007 * config/cr16/t-cr16: New file.
2009 2012-02-02 Jakub Jelinek <jakub@redhat.com>
2012 * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
2013 that operands[2] is either immediate, or q_regs_operand.
2015 PR tree-optimization/52073
2016 * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
2017 a pattern stmt for pattern uses, ignore uses outside of the loop.
2019 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
2021 * config/avr/avr.c: Resolve all AS1 and AS2 macros.
2022 * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
2023 (OUT_AS1, OUT_AS2): Remove.
2025 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
2027 PR rtl-optimization/51374
2028 * combine.c (can_combine_p): Don't allow volatile_refs_p insns
2029 to cross other volatile_refs_p insns.
2031 2012-02-01 Richard Guenther <rguenther@suse.de>
2033 * doc/invoke.texi (fno-inline): Clarify documentation.
2034 (finline-small-functions): Likewise.
2035 (finline-functions): Likewise.
2036 * common.opt (finline): Adjust comment and documentation.
2037 (finline-small-functions): Clarify documentation.
2038 (finline-functions): Likewise.
2039 (finline-functions-called-once): Likewise.
2041 2012-02-01 Tristan Gingold <gingold@adacore.com>
2043 * c-typeck.c (composite_type): Keep mode for pointers.
2045 2012-01-31 Richard Sandiford <rdsandiford@googlemail.com>
2047 * function.h (regno_reg_rtx): Adjust comment.
2048 * reginfo.c (init_reg_modes_target): Only use the previous mode
2049 if it fits within one register. Remove MIPS comment.
2051 2012-01-31 Jakub Jelinek <jakub@redhat.com>
2054 * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
2056 2012-01-31 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2058 * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
2059 to srak instruction.
2061 2012-01-31 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
2063 * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
2065 2012-01-31 Jakub Jelinek <jakub@redhat.com>
2070 * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
2072 2012-01-31 Richard Guenther <rguenther@suse.de>
2074 PR tree-optimization/51528
2075 * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
2078 2012-01-31 Jakub Jelinek <jakub@redhat.com>
2083 * ree.c (add_removable_extension): Change def_map argument
2084 to unsigned *, store in def_map 1 + offset into *insn_list vector
2085 instead of pointers into the vector.
2086 (find_removable_extensions): Adjust caller.
2088 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
2090 * config/avr/avr.md: Resolve all AS1 and AS2 macros.
2091 Transform all "* quoted-c-code" to { c-code }.
2092 Remove redundant test for "optimize" in combine patterns.
2093 Move (include "avr-dimode.md") to end of file.
2095 2012-01-30 Bin Cheng <bin.cheng@arm.com>
2098 * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
2099 for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
2101 2012-01-30 Richard Guenther <rguenther@suse.de>
2103 PR tree-optimization/52028
2104 * tree-loop-distribution.c (ldist_gen): Properly update
2107 2012-01-30 Jakub Jelinek <jakub@redhat.com>
2110 * dwarf2out.c (dwarf2out_switch_text_section): Don't call
2111 set_cur_line_info_table if not emitting debug info.
2113 PR tree-optimization/52046
2114 * tree-vect-patterns.c (check_bool_pattern): Give up if
2115 a comparison could throw.
2118 * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
2120 2012-01-30 Richard Guenther <rguenther@suse.de>
2122 PR tree-optimization/52045
2123 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
2124 SSA form if cfgcleanup did anything.
2126 2012-01-30 Richard Guenther <rguenther@suse.de>
2128 PR tree-optimization/52045
2129 * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
2130 before computing final todo.
2132 2012-01-30 Richard Guenther <rguenther@suse.de>
2134 PR tree-optimization/51528
2135 * tree-sra.c (sra_modify_assign): Re-factor in preparation
2138 2012-01-30 Paolo Bonzini <bonzini@gnu.org>
2140 * df-problems.c (df_kill_notes): Check that the use refers
2141 to the note under examination.
2143 2012-01-30 Eric Botcazou <ebotcazou@adacore.com>
2146 * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
2147 parameter and use short-lived pseudos.
2148 (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
2149 (sparc_expand_vector_init): Const-ify local variables and adjust
2150 calls to above functions.
2152 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
2154 * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
2156 2012-01-29 Sandra Loosemore <sandra@codesourcery.com>
2158 * doc/invoke.texi: Make usage of "compile time" and
2159 "run time"/"runtime" consistent throughout the file.
2161 2012-01-29 Uros Bizjak <ubizjak@gmail.com>
2163 * config/alpha/alpha.c (alpha_option_override): Default to
2164 full IEEE compliance mode for Go language.
2166 2011-01-29 Tijl Coosemans <tijl@coosemans.org>
2168 * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
2169 (LINK_SSP_SPEC): Define.
2171 2012-01-28 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2174 * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
2177 2012-01-28 Sandra Loosemore <sandra@codesourcery.com>
2179 * doc/invoke.texi: Correct hyphenation of "floating point",
2180 "double precision", and related terminology throughout the file.
2182 2012-01-28 Jakub Jelinek <jakub@redhat.com>
2185 * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
2186 arm_general_register_operand predicate for operand 2 instead of
2189 2012-01-27 Ian Lance Taylor <iant@google.com>
2192 * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
2193 * builtins.c (expand_builtin_init_trampoline): Add onstack
2194 parameter. Change caller.
2195 (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
2196 * tree.c (build_common_builtin_nodes): Declare
2197 __builtin_init_heap_trampoline.
2199 2012-01-27 Georg-Johann Lay <avr@gjlay.de>
2201 * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
2202 tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
2203 * config/avr/avr.c: Ditto.
2204 (avr_regnames): Remove because unused.
2205 * config/avr/avr.md (*cpse.ne): New peephole.
2206 (*cpse.eq): New peephole from former cpse peepholes.
2208 2012-01-27 Michael Eager <eager@eagercon.com>
2210 * config/microblaze.c (microblaze_emit_compare): Correct
2211 test after pcmp instruction.
2213 2012-01-27 Richard Guenther <rguenther@suse.de>
2215 PR tree-optimization/52020
2216 * tree-sra.c (sra_modify_assign): Do not transform clobbers.
2218 2012-01-27 Richard Guenther <rguenther@suse.de>
2220 * ipa-pure-const.c (check_stmt): Clobbers do not make a
2221 function non-const/pure.
2223 2012-01-27 Richard Guenther <rguenther@suse.de>
2225 PR tree-optimization/50444
2226 * tree-sra.c (build_ref_for_offset): Properly adjust the
2227 MEM_REF type for unaligned accesses.
2229 2012-01-27 Richard Guenther <rguenther@suse.de>
2231 PR tree-optimization/50444
2232 * expr.c (mem_ref_refers_to_non_mem_p): New function.
2233 (expand_assignment): Use it. Properly handle misaligned
2234 bases when expanding stores to component references.
2235 (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
2238 2012-01-27 Andrey Belevantsev <abel@ispras.ru>
2241 * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
2242 * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
2243 * tree-data-ref.c (find_data_references_in_loop): Make static.
2244 (compute_all_dependences): Change return type to bool. Bail out
2245 for too many datarefs in a loop. Move the hunk resetting the data
2246 dependences vector from ...
2247 (compute_data_dependences_for_loop): ... here. Account for
2248 compute_all_dependences returning false.
2249 (compute_data_dependences_for_bb): Likewise.
2250 * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
2251 * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
2253 2012-01-27 Richard Guenther <rguenther@suse.de>
2256 * expr.c (store_field): Use the alias-set of the scratch memory
2259 2012-01-27 Tom de Vries <tom@codesourcery.com>
2261 PR tree-optimization/51990
2262 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
2264 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
2266 2012-01-27 Jakub Jelinek <jakub@redhat.com>
2269 * var-tracking.c (reverse_op): Don't add any reverse operation
2270 if V already has any constant locations.
2272 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
2274 * doc/invoke.texi: Correct usage of "command line" (noun)
2275 vs "command-line" (adjective) throughout.
2277 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
2279 * doc/invoke.texi (Language Independent Options): Move
2280 -Wcoverage-mismatch blurb from here....
2281 (Warning Options): ...to here.
2283 2012-01-27 Peter Bergner <bergner@vnet.ibm.com>
2285 * config/rs6000/rs6000.c (rs6000_option_override_internal):
2286 Set rs6000_always_hint to false for 476.
2288 2012-01-27 Matthias Klose <doko@ubuntu.com>
2290 * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
2292 * incpath.c (add_standard_paths): Likewise.
2294 2012-01-27 Richard Henderson <rth@redhat.com>
2296 * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
2297 * config/m68k/sync.md (atomic_test_and_set): Rename from
2298 sync_test_and_setqi and adjust the operands.
2299 (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
2300 and unconditionally enable.
2302 2012-01-27 Richard Henderson <rth@redhat.com>
2304 * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
2305 * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
2306 (ldstub): Rename from ldstubqi.
2307 (ldstub<I24MODE>): Remove.
2309 2012-01-27 Richard Henderson <rth@redhat.com>
2311 * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
2312 * c-cppbuiltin.c (cpp_atomic_builtins): Define
2313 __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
2314 * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
2315 * doc/tm.texi: Rebuild.
2317 2012-01-27 Richard Henderson <rth@redhat.com>
2319 * optabs.c (gen_atomic_test_and_set): Remove default.
2320 (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
2322 2012-01-26 Jakub Jelinek <jakub@redhat.com>
2324 PR rtl-optimization/51978
2325 * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
2326 (combine_reaching_defs): Likewise.
2327 (struct re_info): Remove.
2328 (add_removable_extension): Remove x and data arguments,
2329 add insn, insn_list and def_map. Use the arguments directly
2330 instead of using struct re_info.
2331 (find_removable_extensions): Don't call add_removable_extension
2332 through note_stores, instead just call it with single_set
2334 (find_and_remove_re): Pass curr_cand->expr instead of
2335 PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
2337 2012-01-26 Michael Matz <matz@suse.de>
2339 PR tree-optimization/46590
2340 * cfgexpand.c: Revert last change (r183305).
2341 * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
2343 * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
2344 checking for emptiness.
2346 2012-01-26 Jakub Jelinek <jakub@redhat.com>
2349 * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
2350 non-addressable non-BLKmode base correctly.
2352 2012-01-26 Michael Matz <matz@suse.de>
2354 PR tree-optimization/48794
2355 * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
2356 regions referenced from RESX/EH_DISPATCH.
2358 2012-01-26 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2360 * config/s390/s390.h: Make BRANCH_COST an option.
2361 * config/s390/s390.opt: New option -mbranch-cost.
2363 2012-01-26 Richard Henderson <rth@redhat.com>
2365 Revert 2012-01-24 change:
2366 * trans-mem.c (requires_barrier): Do not instrument thread local
2367 variables and emit save/restore for them.
2369 2012-01-25 Jakub Jelinek <jakub@redhat.com>
2372 * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
2375 2012-01-25 Richard Sandiford <rdsandiford@googlemail.com>
2377 * config/mips/mips.c (mips_small_data_pattern_1): Don't process
2380 2012-01-25 Georg-Johann Lay <avr@gjlay.de>
2383 Rename __pgm to __flash.
2384 Rename __pgm1 to __flash1.
2385 Rename __pgm2 to __flash2.
2386 Rename __pgm3 to __flash3.
2387 Rename __pgm4 to __flash4.
2388 Rename __pgm5 to __flash5.
2389 Rename __pgmx to __memx.
2390 * doc/extend.texi (AVR Named Address Spaces)
2391 Rename address space names as indicated above.
2392 * config/avr/avr.c (avr_addrspace): Ditto.
2394 * config/avr/avr-protos.h
2395 (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
2396 (avr_mem_pgm_p): Rename to avr_mem_flash_p.
2397 * config/avr/predicates.md: Ditto.
2398 * config/avr/avr.c Ditto, and
2399 (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
2400 (avr_decl_pgm_p): Rename to avr_decl_flash_p.
2402 * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
2403 (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
2404 (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
2405 (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
2406 (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
2407 (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
2408 (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
2409 * config/avr/avr.c: Ditto.
2410 * config/avr/avr.md: Ditto.
2412 2012-01-25 Jason Merrill <jason@redhat.com>
2415 * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
2417 2012-01-25 Jakub Jelinek <jakub@redhat.com>
2419 PR tree-optimization/51987
2420 * tree-data-ref.c (get_references_in_stmt): Handle references in
2421 non-volatile GIMPLE_ASM.
2423 2012-01-25 Richard Guenther <rguenther@suse.de>
2425 * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
2426 bases are dereferenced.
2428 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
2430 PR rtl-optimization/48374
2431 * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
2433 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
2435 * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
2436 compute_data_dependences_for_loop returns false.
2437 * tree-parloops.c (loop_parallel_p): Likewise.
2439 2012-01-25 Richard Guenther <rguenther@suse.de>
2441 * tree.h (get_pointer_alignment_1): Declare.
2442 * builtins.c (get_pointer_alignment_1): New function.
2443 (get_pointer_alignment): Use it.
2445 2012-01-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
2447 PR rtl-optimization/48308
2448 * combine.c (enum undo_kind): Add UNDO_LINKS.
2449 (struct undo): Add member l to other_contents and where.
2450 (do_SUBST_LINK): New.
2452 (try_combine): Handle LOG_LINKS for the dummy i1 case.
2453 (undo_all): Handle UNDO_LINKS.
2455 2012-01-25 Richard Henderson <rth@redhat.com>
2457 * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
2460 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
2462 * optabs.c (gen_atomic_test_and_set): Use each argument.
2464 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
2466 * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
2467 (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
2468 (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
2469 (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
2470 (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
2471 TARGET_PAIRED_SINGLE_FLOAT.
2473 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
2475 * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
2476 (in_struct, return_val): Remove MEM documentation.
2477 * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
2478 (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
2479 (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
2481 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
2482 * cfgexpand.c (add_alias_set_conflicts): Likewise.
2483 * expr.c (store_field): Likewise.
2484 * function.c (assign_stack_temp_for_type): Likewise.
2485 * ifcvt.c (noce_try_cmove_arith): Likewise.
2486 * reload1.c (reload): Likewise.
2487 * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
2488 (alpha_set_memflags): Likewise.
2489 * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
2491 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
2493 * rtl.h (true_dependence, canon_true_dependence): Remove varies
2495 * alias.c (fixed_scalar_and_varying_struct_p): Delete.
2496 (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
2497 (true_dependence_1, true_dependence, canon_true_dependence): Remove
2499 * cselib.c (cselib_rtx_varies_p): Delete.
2500 (cselib_invalidate_mem): Update call to canon_true_dependence.
2501 * dse.c (record_store, check_mem_read_rtx): Likewise.
2502 (scan_reads_nospill): Likewise.
2503 * cse.c (check_dependence): Likewise.
2504 (cse_rtx_varies_p): Delete.
2505 * expr.c (safe_from_p): Update call to true_dependence.
2506 * ira.c (validate_equiv_mem_from_store): Likewise.
2507 (memref_referenced_p): Likewise.
2508 * postreload-gcse.c (find_mem_conflicts): Likewise.
2509 * sched-deps.c (sched_analyze_2): Likewise.
2510 * store-motion.c (load_kills_store): Likewise.
2511 * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
2512 * gcse.c (mems_conflict_for_gcse_p): Likewise.
2513 (compute_transp): Update call to canon_true_dependence.
2515 2012-01-25 Richard Henderson <rth@redhat.com>
2517 * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
2518 (maybe_emit_atomic_test_and_set): New.
2519 (expand_sync_lock_test_and_set): Use it.
2520 (expand_atomic_test_and_set): Likewise.
2521 * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
2522 the implementation; clarify implementation defined details.
2523 * doc/md.texi (atomic_test_and_set): Document.
2525 2012-01-25 Richard Henderson <rth@redhat.com>
2527 * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
2529 2012-01-25 Richard Henderson <rth@redhat.com>
2532 * config/arm/arm.c (neon_split_vcombine): Emit deleted note
2533 to effect no-op split.
2535 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
2538 * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
2539 (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
2540 (BT_FN_VOID_PTR_INT_SIZE): New.
2541 (BT_FN_UINT_UINT_VAR): Remove.
2542 (BT_FN_UINT32_UINT32_VAR): New.
2543 (BT_FN_DOUBLE_VPTR): Remove.
2544 (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
2546 * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
2547 (_ITM_changeTransactionMode): Same.
2548 (_ITM_memmoveRtWt): Change return type to void.
2549 (_ITM_memcpyRtWt): Same.
2550 (_ITM_memsetW): Same.
2551 (_ITM_RaRD): Change types to double.
2556 * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
2558 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
2559 Patrick Marlier <patrick.marlier@gmail.com>
2561 * trans-mem.c (requires_barrier): Do not instrument thread local
2562 variables and emit save/restore for them.
2564 2012-01-24 Jason Merrill <jason@redhat.com>
2567 * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
2568 output static aliases.
2570 2012-01-24 Jakub Jelinek <jakub@redhat.com>
2573 * common.opt (-pie, -shared, pie, shared): Change from Common to
2575 * gcc.c (display_help): Display help for -pie and -shared.
2577 2012-01-24 Georg-Johann Lay <avr@gjlay.de>
2580 * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
2581 Remove note on size/offset limitation.
2582 (AVR Variable Attributes): Add example how to read data located
2583 with progmem. Refer to named address spaces.
2584 * doc/invoke.texi (AVR Options): Fix typo.
2586 2012-01-24 Richard Guenther <rguenther@suse.de>
2588 Forward-port to trunk
2589 2010-09-21 Jakub Jelinek <jakub@redhat.com>
2592 * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
2593 op0 isn't sufficiently aligned and there is movmisalignM
2594 insn for mode, use it to load op0 into a temporary register.
2596 2012-01-24 Jakub Jelinek <jakub@redhat.com>
2599 * target.def (const_not_ok_for_debug_p): New hook.
2600 * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
2602 * doc/tm.texi: Regenerated.
2603 * dwarf2out.c (const_ok_for_output_1): If
2604 targetm.const_not_ok_for_debug_p returns true, fail.
2605 * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
2607 (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
2609 2012-01-23 Kai Tietz <ktietz@redhat.com>
2612 * config/i386/predicates.md (symbolic_operand): Allow
2613 UNSPEC_PCREL as PIC expression for lea.
2614 * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
2615 * config/i386/i386.c (ix86_delegitimize_address): Handle
2616 UNSPEC_PCREL for none-MEM, too.
2618 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
2620 * trans-mem.c (ipa_tm_create_version): Set externally_visible.
2621 (ipa_tm_create_version_alias): Same.
2623 2012-01-23 Uros Bizjak <ubizjak@gmail.com>
2626 * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
2627 * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
2629 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
2630 Patrick Marlier <patrick.marlier@gmail.com>
2631 Iain Sandoe <developer@sandoe-acoustics.co.uk>
2634 * lto-wrapper.c (run_gcc): Pass the LTO section name to
2635 simple_object_start_read.
2637 2012-01-23 Richard Guenther <rguenther@suse.de>
2640 PR tree-optimization/51895
2641 * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
2642 parameter decomposition into BLKmode components.
2644 2012-01-23 Eric Botcazou <ebotcazou@adacore.com>
2646 * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
2647 fake variables for restrict-qualified pointers whose pointed-to type
2648 contains a placeholder.
2650 2012-01-23 Richard Guenther <rguenther@suse.de>
2652 PR tree-optimization/51949
2653 * ipa-split.c (execute_split_functions): Do not split malloc functions.
2655 2012-01-23 Jakub Jelinek <jakub@redhat.com>
2657 PR rtl-optimization/51933
2658 * ree.c (transform_ifelse): Return true right away if dstreg is
2659 already wider or equal to cand->mode.
2660 (enum ext_modified_kind, struct ext_modified, ext_state): New types.
2661 (make_defs_and_copies_lists): Remove defs_list and copies_list
2662 arguments, add state argument, just truncate state->work_list
2663 instead of always allocating and freeing the vector. Assert that
2664 get_defs succeeds instead of returning 2. Changed return type to bool.
2665 (merge_def_and_ext): Add state argument. If SET_DEST doesn't
2666 have ext_src_mode, see if it has been modified already with the
2667 right kind of extension and has been extended before from the
2668 ext_src_mode. If SET_DEST is already wider or equal to cand->mode,
2669 just return true. Remember the original mode in state->modified array.
2670 (combine_reaching_defs): Add state argument. Don't allocate and
2671 free here def_list, copied_list and vec vectors, instead just
2672 VEC_truncate the vectors in *state. Don't handle outcome == 2 here.
2673 (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
2674 Add state variable, clear vectors in it, initialize state.modified
2675 if needed. Free all the vectors at the end and state.modified too.
2676 Don't skip a candidate if the extension expression has been modified.
2678 2012-01-22 Douglas B Rupp <rupp@gnat.com>
2681 * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
2682 configurations. Change triplet to i[34567]86-*-interix[3-9]*.
2683 (extra_options) interix.opt -> i386/interix.opt"
2684 (extra_objs):Add winnt-stubs.o
2685 * configure.ac: Add interix to target_os .comm on PE check.
2686 * configure: Regenerate.
2687 * config/interix3.h: Delete and move bits to..
2688 * config/interix.h: Delete and move bits to..
2689 * config/i386/i386-interix3.h: Delete and move bits to..
2690 * config/i386/i386-interix.h: ..here.
2691 (TARGET_CPU_DEFAULT): Remove redefinition.
2692 (TARGET_ASM_CONSTRUCTOR): Undefine.
2693 (SUBTARGET_SWITCHES): Define for ms-bitfields.
2694 (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
2695 (PTRDIFF_TYPE): Define.
2696 (LONG_DOUBLE_TYPE_SIZE): Define.
2697 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
2698 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
2699 (TARGET_SECTION_TYPE_FLAGS): Define.
2700 (ASM_DECLARE_FUNCTION_NAME): Define.
2701 (ASM_OUTPUT_EXTERNAL): Define.
2702 (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
2703 (ASM_OUTPUT_ALIGNED_BSS): Define.
2704 (PCC_BITFIELD_TYPE_MATTERS): Define.
2705 (USE_CONST_SECTION): Define.
2706 (SUBTARGET_ENCODE_SECTION_INFO): Remove.
2707 (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
2708 (SUPPORTS_ONE_ONLY): Remove.
2709 (I386_PE_STRIP_ENCODING): Define.
2710 * config/interix.opt: Delete and move bits to..
2711 * config/i386/interix.opt: ..here. New.
2712 (mpe-aligned-commons): Add.
2713 * config/i386/t-interix: Add copyright header.
2714 (winnt-stubs.o): Add rule.
2716 2012-01-22 Jason Merrill <jason@redhat.com>
2719 * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
2720 for extra name aliases.
2722 2012-01-22 Eric Botcazou <ebotcazou@adacore.com>
2724 PR rtl-optimization/51924
2725 * ree.c (combine_set_extension): Improve debugging message.
2726 (combine_reaching_defs): Likewise.
2727 (get_defs): Rename confusingly named variable.
2728 (find_and_remove_re): Skip a candidate if the extension expression has
2731 2012-01-21 Robert Millan <rmh@gnu.org>
2732 Gerald Pfeifer <gerald@pfeifer.com>
2734 * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
2735 (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
2737 2012-01-20 Jakub Jelinek <jakub@redhat.com>
2739 PR tree-optimization/51914
2740 * tree-vect-stmts.c (vectorizable_conversion): For
2741 cvt_type && modifier == WIDEN, put temporary with cvt_type
2742 at the beginning of vec_dsts and set vec_dest to temporary
2745 2012-01-20 Eric Botcazou <ebotcazou@adacore.com>
2747 * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
2749 2011-01-20 Tijl Coosemans <tijl@coosemans.org>
2751 * config/i386/i386.c: Fix checks for !TARGET_MACHO.
2752 * config/rs6000/rs6000.c: Likewise.
2754 2012-01-20 Jakub Jelinek <jakub@redhat.com>
2757 * config/arm/arm.c (arm_count_output_move_double_insns): Call
2758 output_move_double on a copy of operands array.
2760 2012-01-20 Cary Coutant <ccoutant@google.com>
2761 Dodji Seketeli <dodji@redhat.com>
2764 * dwarf2out.c (copy_declaration_context): Return ref to parent
2765 of declaration DIE, if necessary.
2766 (remove_child_or_replace_with_skeleton): Add new parameter; update
2767 caller. Place skeleton DIE under parent DIE of original declaration.
2768 Move call to copy_declaration_context to here ...
2769 (break_out_comdat_types): ... from here.
2771 2012-01-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2773 PR rtl-optimization/51856
2774 * reload.c (find_reloads_subreg_address): Set the address_reloaded
2777 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
2780 * config/arm/arm.c (arm_print_operand): Correct output of alignment
2781 hints for neon loads and stores.
2783 2012-01-20 Georg-Johann Lay <avr@gjlay.de>
2787 * doc/extend.texi (Named Address Spaces): Split into subsections.
2788 (AVR Named Address Spaces): New subsection.
2789 (M32C Named Address Spaces): New subsection.
2790 (RL78 Named Address Spaces): New subsection.
2791 (SPU Named Address Spaces): New subsection.
2792 (Variable Attributes): New anchor "AVR Variable Attributes".
2793 (AVR Variable Attributes): Rewrite and avoid wording
2794 "address space" in this context.
2795 * doc/invoke.texi (AVR Options): Rewrite and add documentation
2796 for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
2797 (AVR Built-in Macros): New subsubsection therein.
2798 * doc/md.texi (AVR constraints): Remove "C04", "R".
2800 2012-01-20 Richard Guenther <rguenther@suse.de>
2802 PR tree-optimization/51903
2803 * tree-ssa-pre.c (eliminate): Properly purging of EH edges
2804 when removing stmts.
2806 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
2809 * config/arm/arm.c (arm_load_pic_register): Use
2810 gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
2811 , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
2812 (arm_pic_static_addr): Likewise.
2813 (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
2814 (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
2815 * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
2816 (pic_load_addr_unified): New.
2818 2012-01-20 Andrey Belevantsev <abel@ispras.ru>
2821 * function.c (instantiate_virtual_regs_in_insn): Use
2822 delete_insn_and_edges when removing a wrong asm insn.
2824 2012-01-19 Vladimir Makarov <vmakarov@redhat.com>
2826 PR rtl-optimization/40761
2827 * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
2828 Add new member loop_num.
2829 (IRA_LOOP_NODE_BY_INDEX): Modify the check.
2830 (ira_build): Remove the parameter.
2832 * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
2833 (ira.c): Do not build CFG loops for one region allocation. Remove
2834 argument from ira_build call.
2836 * ira-build.c (init_loop_tree_node): New function.
2837 (create_loop_tree_nodes): Use it. Separate the case when CFG
2838 loops are not built.
2839 (more_one_region_p): Check current_loops.
2840 (finish_loop_tree_nodes): Separate the case when CFG loops are not
2842 (add_loop_to_tree): Process loop equal to NULL too.
2843 (form_loop_tree): Separate the case when CFG loops are not built.
2844 Use explicitly number for the root.
2845 (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
2847 (ira_print_expanded_allocno, loop_compare_func): Use loop_num
2848 instead of loop->num.
2849 (mark_loops_for_removal): Ditto. Use loop_num instead of loop->num.
2850 (mark_all_loops_for_removal): Ditto.
2851 (remove_unnecessary_regions): Separate the case when CFG loops
2853 (ira_build): Remove the parameter. Use explicit number of regions
2854 when CFG loops are not built.
2856 * ira-color.c (print_loop_title): Separate the case for the root node.
2857 Use loop_num instead of loop->num.
2858 (move_spill_restore): Use loop_num instead of loop->num.
2860 * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
2861 (change_loop): Ditto.
2862 (change_loop): Use loop_num instead of loop->num.
2864 * ira-lives.c (process_bb_node_lives): Ditto.
2866 * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
2868 * ira-conflicts.c (print_allocno_conflicts): Ditto.
2870 2012-01-19 Jakub Jelinek <jakub@redhat.com>
2873 * tree-mudflap.c (mf_artificial): New function.
2874 (execute_mudflap_function_ops, execute_mudflap_function_decls,
2875 mx_register_decls, mudflap_enqueue_decl): Use it.
2878 * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
2879 numbers in the insn pattern.
2881 2012-01-19 Michael Matz <matz@suse.de>
2883 PR tree-optimization/46590
2884 * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
2885 use it in remembering which conflicts we already created.
2886 (add_scope_conflicts): Adjust call to above, (de)allocate helper
2889 2012-01-19 Aldy Hernandez <aldyh@redhat.com>
2892 * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
2893 (merge_and_complain): Same.
2895 2012-01-19 Jakub Jelinek <jakub@redhat.com>
2898 * config/initfini-array.h: Guard content of the header
2899 with #ifdef HAVE_INITFINI_ARRAY.
2900 * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
2901 Add initfini-array.h to tm_file here.
2902 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
2903 * config.gcc: Don't add initfini-array.h to tm_file here.
2904 * configure: Regenerated.
2906 2012-01-19 Andrey Belevantsev <abel@ispras.ru>
2908 PR rtl-optimization/51505
2909 * df-problems.c (df_kill_notes): New parameter live. Update comment.
2910 Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
2911 (df_note_bb_compute): Update the call to df_kill_notes.
2913 2012-01-18 Aldy Hernandez <aldyh@redhat.com>
2915 * trans-mem.c (requires_barrier): Remove call to is_global_var.
2917 2012-01-18 Richard Guenther <rguenther@suse.de>
2919 * tree-ssa.c (useless_type_conversion_p): Remove special-casing
2920 of conversions to void *.
2922 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2923 Richard Sandiford <rdsandiford@googlemail.com>
2927 * optabs.h (simplify_expand_binop): Declare.
2928 * optabs.c (simplify_expand_binop): Make global.
2929 * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
2930 endian targets if the source cannot be exactly covered by word
2933 2012-01-17 Jakub Jelinek <jakub@redhat.com>
2936 * hard-reg-set.h (struct hard_reg_set_container): New type.
2937 * target.h (struct hard_reg_set_container): Forward declare.
2938 * target.def (set_up_by_prologue): New target hook.
2939 * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
2940 * doc/tm.texi: Regenerated.
2941 * function.c (thread_prologue_and_epilogue_insns): Change
2942 set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
2943 Call targetm.set_up_by_prologue on it.
2944 * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
2945 (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
2947 2012-01-17 Nick Clifton <nickc@redhat.com>
2949 * config/rx/rx.c (rx_can_use_simple_return): New function.
2950 * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
2951 * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
2953 2012-01-17 Richard Guenther <rguenther@suse.de>
2956 * expr.c (expand_assignment): Take address-space information
2957 from the address operand of MEM_REF and TARGET_MEM_REF.
2958 (expand_expr_real_1): Likewise.
2960 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2962 * ira.c (do_reload): Make sure ira_dump_file is re-set if no
2963 reload dump is requested.
2965 2012-01-17 Aldy Hernandez <aldyh@redhat.com>
2968 * trans-mem.c (requires_barrier): Call may_be_aliased.
2970 2012-01-17 Jakub Jelinek <jakub@redhat.com>
2972 PR tree-optimization/51877
2973 * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
2974 call arguments and fndecls compare equal, instead return false if they
2975 don't. Return true only if lhs1 and lhs2 are either both NULL, or
2976 both SSA_NAMEs that are valueized the same, or they satisfy
2979 2012-01-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2981 * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
2983 * configure: Regenerate.
2985 2012-01-16 Jan Hubicka <jh@suse.cz>
2989 * convert.c (convert_to_integer): Use fold_convert for
2990 converting an INTEGER_CST to integer type.
2992 2012-01-16 Jason Merrill <jason@redhat.com>
2995 * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
2997 2012-01-16 Jakub Jelinek <jakub@redhat.com>
3000 * config/s390/s390.c (s390_chunkify_start): Don't skip
3001 call insns followed by NOTE_INSN_CALL_ARG_LOCATION note. Skip
3002 NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
3003 If insn is followed by NOTE_INSN_VAR_LOCATION or
3004 NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
3005 Don't use location of note insns.
3007 PR tree-optimization/51865
3008 * tree-inline.c (tree_function_versioning): Call remap_decl
3009 on DECL_RESULT whenever it has VOID_TYPE_P type.
3011 2012-01-15 Richard Sandiford <rdsandiford@googlemail.com>
3013 * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
3014 for calls to locally-binding MIPS16 functions if only the return
3015 type uses float regs.
3017 2012-01-15 Chung-Lin Tang <cltang@codesourcery.com>
3018 Richard Sandiford <rdsandiford@googlemail.com>
3020 * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
3021 (SYMBOL_32_HIGH): Likewise.
3022 (mips_output_tls_reloc_directive): Declare.
3023 * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
3024 (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
3025 * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
3026 (mips_lo_relocs, mips_hi_relocs): Make extern.
3027 (mips16_stub_function): Move up file.
3028 (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
3029 (mips_symbolic_constant_p): Likewise. Remove SYMBOL_32_HIGH too.
3030 (mips_symbol_insns_1): Likewise. Check mips_use_pcrel_pool_p.
3031 (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
3032 SYMBOL_FORCE_TO_MEM. Only check mips_tls_symbol_ref_1 if it's false.
3033 (mips_get_tp): Add MIPS16 support.
3034 (mips_legitimize_tls_address): Remove MIPS16 sorry().
3035 Generalize DTPREL and TPREL handling.
3036 (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
3037 Add MIPS16 TLS support.
3038 (mips_output_tls_reloc_directive): New function.
3039 (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
3040 * config/mips/predicates.md (symbolic_operand_with_high)
3041 (tls_reloc_operand): New predicates.
3042 (force_to_mem_operand): Use mips_use_pcrel_pool_p.
3043 * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
3044 (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
3045 (*unshifted_high): New instruction. Use it for MIPS16 high splitter.
3046 (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
3047 (*tls_get_tp_mips16_call_<mode>): Likewise.
3049 2012-01-15 Uros Bizjak <ubizjak@gmail.com>
3051 PR rtl-optimization/51821
3052 * recog.c (peep2_find_free_register): Determine clobbered registers
3055 2012-01-14 Denis Chertykov <chertykov@gmail.com>
3058 * config/avr/avr-protos.h: Revert change of 2012-01-09.
3059 * config/avr/avr.c: Likewise.
3060 * config/avr/avr.h: Likewise.
3062 2012-01-13 Ian Lance Taylor <iant@google.com>
3065 * tree.h (TYPE_QUALS): Add cast to int.
3066 (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
3068 2012-01-13 Ian Lance Taylor <iant@google.com>
3070 * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
3071 comparing param_index to VEC_length result.
3073 2012-01-13 Steven Bosscher <steven@gcc.gnu.org>
3075 * c-decl.c: Do not include tree-mudflap.h
3076 * tree-optimize.c: Likewise.
3077 * Makefile.in: Update dependencies.
3079 2012-01-13 Richard Guenther <rguenther@suse.de>
3082 * gimplify.c (gimplify_modify_expr_rhs): For calls with a
3083 variable-sized result always use RSO.
3085 2012-01-12 DJ Delorie <dj@redhat.com>
3087 * cfgexpand.c (convert_debug_memory_address): Allow any valid
3088 pointer type, not just the default pointer type.
3090 2012-01-09 Richard Henderson <rth@redhat.com>
3091 Denis Chertykov <chertykov@gmail.com>
3094 * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
3095 * config/avr/avr.c (avr_can_eliminate): Simplify.
3096 (avr_initial_elimination_offset): Likewise.
3097 (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
3098 (expand_epilogue): Likewise.
3099 (avr_legitimize_address): Gut.
3100 (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
3101 (avr_hard_regno_nregs): New.
3102 (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
3103 (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
3104 * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
3105 add soft frame pointer.
3106 (CALL_USED_REGISTERS): Likewise.
3107 (REG_CLASS_CONTENTS): Likewise.
3108 (REGISTER_NAMES): Likewise.
3109 (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
3110 (HARD_FRAME_POINTER_REGNUM): New.
3111 (FRAME_POINTER_REGNUM): Use soft frame pointer.
3112 (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
3113 remove the HARD_FRAME_POINTER self-elimination.
3115 2012-01-12 Georg-Johann Lay <avr@gjlay.de>
3118 * config/avr/avr.c (avr_encode_section_info): Test for absence of
3119 DECL_EXTERNAL when checking for initializers of progmem variables.
3121 2012-01-12 Ira Rosen <irar@il.ibm.com>
3123 PR tree-optimization/51799
3124 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
3125 that the last operation is a type demotion.
3127 2012-01-12 Uros Bizjak <ubizjak@gmail.com>
3129 * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
3130 (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
3132 2012-01-11 Jakub Jelinek <jakub@redhat.com>
3135 * combine.c (distribute_notes): If i3 is a noreturn call,
3136 allow old_size to be equal to args_size and make sure the
3137 noreturn call gets REG_ARGS_SIZE note.
3138 * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
3139 on noreturn calls even when the delta is 0.
3141 2012-01-11 Nathan Sidwell <nathan@acm.org>
3143 * gcov.c (STRING_SIZE): Remove.
3144 (generate_results): Erase annotations for source files with no
3145 coverage information.
3147 (output_lines): Use it.
3149 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
3151 * gimple.h (gimplify_body): Remove first argument.
3152 * gimplify.c (copy_if_shared): Add DATA argument. Do not create the
3153 pointer set here, instead just pass DATA to walk_tree.
3154 (unshare_body): Remove BODY_P argument and adjust. Create the pointer
3155 set here and invoke copy_if_shared on the size trees of DECL_RESULT.
3156 (unvisit_body): Likewise, but with unmark_visited.
3157 (gimplify_body): Remove BODY_P argument and adjust.
3158 (gimplify_function_tree): Adjust call to gimplify_body.
3159 * omp-low.c (finalize_task_copyfn): Likewise.
3161 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
3163 * tree.h (build_function_decl_skip_args): Add boolean parameter.
3164 (build_function_type_skip_args): Delete.
3165 * tree.c (build_function_type_skip_args): Make static and add
3166 SKIP_RETURN parameter. Fix thinko in the handling of variants.
3167 (build_function_decl_skip_args): Add SKIP_RETURN parameter and
3168 pass it to build_function_type_skip_args.
3169 * cgraph.h (cgraph_function_versioning): Add boolean parameter.
3170 (tree_function_versioning): Likewise.
3171 * cgraph.c (cgraph_create_virtual_clone): Adjust call to
3172 build_function_decl_skip_args.
3173 * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
3174 and pass it to build_function_decl_skip_args/tree_function_versioning.
3175 (cgraph_materialize_clone): Adjust call to tree_function_versioning.
3176 * ipa-inline-transform.c (save_inline_function_body): Likewise.
3177 * trans-mem.c (ipa_tm_create_version): Likewise.
3178 * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
3179 * tree-inline.c (declare_return_variable): Remove always-true test.
3180 (tree_function_versioning): Add SKIP_RETURN parameter. If the function
3181 returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
3182 * ipa-split.c (split_function): Skip the return value for the split
3183 part if it doesn't return.
3185 2012-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
3187 PR tree-optimization/49642
3188 * ipa-split.c (forbidden_dominators): New variable.
3189 (check_forbidden_calls): New function.
3190 (dominated_by_forbidden): Likewise.
3191 (consider_split): Check for forbidden dominators.
3192 (execute_split_functions): Initialize and free forbidden
3193 dominators info; call check_forbidden_calls.
3195 2012-01-11 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
3197 * config/arm/arm.md (mov_notscc): Use MVN for false condition.
3199 2012-01-11 Nick Clifton <nickc@redhat.com>
3201 * config/rx/rx.md (return): Define pattern.
3203 2012-01-11 Richard Guenther <rguenther@suse.de>
3205 * doc/extend.texi (malloc attribute): Adjust according to
3208 2012-01-10 Aldy Hernandez <aldyh@redhat.com>
3209 Patrick Marlier <patrick.marlier@gmail.com>
3212 * trans-mem.c (get_cg_data): Traverse aliases if requested.
3213 (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
3214 (ipa_tm_note_irrevocable): Same.
3215 (ipa_tm_scan_irr_block): Same.
3216 (ipa_tm_decrement_clone_counts): Same.
3217 (ipa_tm_scan_irr_function): Same.
3218 (ipa_tm_create_version_alias): Same.
3219 (ipa_tm_create_version): Same.
3220 (ipa_tm_transform_calls_redirect): Same.
3221 (ipa_tm_transform_calls): Same.
3222 (ipa_tm_transform_transaction): Same.
3223 (ipa_tm_execute): Same.
3225 2012-01-10 Richard Guenther <rguenther@suse.de>
3228 * opts.c (common_handle_option): Handle -Werror.
3230 2012-01-10 Andreas Schwab <schwab@linux-m68k.org>
3232 * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
3235 2012-01-10 Jason Merrill <jason@redhat.com>
3237 * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
3240 2012-01-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3242 * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
3243 supports R_386_TLS_GD_PLT reloc.
3244 (gcc_cv_as_ix86_tlsldmplt): Check if linker
3245 supports R_386_TLS_LDM_PLT reloc.
3246 * configure: Regenerate.
3247 * config.in: Regenerate.
3249 2012-01-10 Georg-Johann Lay <avr@gjlay.de>
3252 Extend __pgmx semantics to linearize memory.
3253 * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
3254 determine if code comes inline or from libgcc.
3255 (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
3256 (movmem_qi, movmem_qi): Set constraint #2 to "n".
3257 (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
3258 (movmemx_qi, movmemx_hi): New insns.
3259 (xload_<mode>_libgcc): Rewrite to new insn condition.
3260 (xload_<mode>): Remove insns.
3261 * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
3262 cases that don't satisfy avr_xload_libgcc_p().
3263 (avr_addr_space_convert): Allow converting in any direction.
3264 (avr_addr_space_subset_p): Return always true.
3265 (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
3266 (avr_emit_movmemhi): Ditto.
3267 (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
3268 (avr_out_movmem): Ditto.
3269 (AVR_SYMBOL_FLAG_PROGMEM): New macro.
3270 (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
3271 (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
3272 (avr_encode_section_info): Encode 'progmem' in symbol flags.
3273 (output_reload_in_const): Don't zero-extend any 24-bit symbols.
3275 2012-01-10 Richard Guenther <rguenther@suse.de>
3277 PR tree-optimization/50913
3278 * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
3279 Require data-refs to be representable by Graphite with respect
3282 2012-01-10 Uros Bizjak <ubizjak@gmail.com>
3284 * config/i386/constraints.md ("L"): Return true for 0xffffffff.
3285 * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
3287 2012-01-10 Tom de Vries <tom@codesourcery.com>
3289 PR rtl-optimization/51271
3290 * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
3291 handling annulled branch.
3293 2012-01-10 Richard Henderson <rth@redhat.com>
3295 * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
3296 TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
3297 struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
3298 arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
3299 arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
3300 arm_expand_vec_perm_const): New.
3301 * config/arm/arm-protos.h: Update.
3302 * config/arm/neon.md (UNSPEC_VCONCAT): New.
3303 (*neon_vswp<VDQX>): New.
3304 (neon_vcombine<VDX>): Use neon_split_vcombine.
3305 (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
3306 * config/arm/vec-common.md (vec_perm_const<VALL>): New.
3307 (vec_perm<VE>): New.
3309 2012-01-10 Richard Henderson <rth@redhat.com>
3311 * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
3312 use it if reload_completed.
3313 (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
3314 arm_output_asm_insn, arm_process_output_memory_barrier,
3315 arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
3316 arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
3317 arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
3318 arm_process_output_sync_insn, arm_output_sync_insn,
3319 arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
3320 (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
3321 (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
3322 (emit_unlikely_jump): New.
3323 (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
3324 (arm_split_atomic_op): New.
3325 * config/arm/arm-protos.h: Update.
3326 * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
3327 (struct arm_sync_generator): Remove.
3328 * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
3329 VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
3330 (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
3331 (VUNSPEC_LL, VUNSPEC_SC): New.
3332 (sync_result, sync_memory, sync_required_value, sync_new_value,
3333 sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
3334 (attr length): Don't use arm_sync_loop_insns.
3335 (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
3336 (movsfcc, movdfcc): Likewise.
3337 * config/arm/constraints.md (Ua): New.
3338 * config/arm/prediates.md (mem_noofs_operand): New.
3339 (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
3340 (sync_clobber, sync_t2_reqd): Remove.
3341 (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
3342 (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
3343 (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
3344 (arm_sync_compare_and_swap<SIDI>): Remove.
3345 (arm_sync_compare_and_swap<NARROW>): Remove.
3346 (arm_sync_lock_test_and_set<SIDI>): Remove.
3347 (arm_sync_lock_test_and_set<NARROW>): Remove.
3348 (arm_sync_new_<syncop><SIDI>): Remove.
3349 (arm_sync_new_<syncop><NARROW>): Remove.
3350 (arm_sync_new_nand<SIDI>): Remove.
3351 (arm_sync_new_nand<NARROW>): Remove.
3352 (arm_sync_old_<syncop><SIDI>): Remove.
3353 (arm_sync_old_<syncop><NARROW>): Remove.
3354 (arm_sync_old_nand<SIDI>): Remove.
3355 (arm_sync_old_nand<NARROW>): Remove.
3356 (*memory_barrier): Merge arm_output_memory_barrier.
3357 (atomic_compare_and_swap<QHSD>): New.
3358 (atomic_compare_and_swap<NARROW>_1): New.
3359 (atomic_compare_and_swap<SIDI>_1): New.
3360 (atomic_exchange<QHSD>): New.
3361 (cas_cmp_operand, cas_cmp_str): New.
3362 (atomic_op_operand, atomic_op_str): New.
3363 (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
3364 (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
3365 (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
3366 (arm_load_exclusive<NARROW>): New.
3367 (arm_load_exclusivesi, arm_load_exclusivedi): New.
3368 (arm_store_exclusive<QHSD>): New.
3370 2012-01-09 Michael Meissner <meissner@linux.vnet.ibm.com>
3372 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
3373 reload patterns if -mvsx-scalar-memory.
3375 * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
3376 generated, even -mno-vsx-scalar-double was used.
3377 (vsx_xscvdpsp_scalar): Likewise.
3378 (vsx_xscvspdp_scalar2): Likewise.
3380 2012-01-09 Tom de Vries <tom@codesourcery.com>
3381 Andrew Pinski <apinski@cavium.com>
3384 * reorg.c (fill_slots_from_thread): Don't speculate
3385 frame-related insns.
3387 2012-01-09 Richard Sandiford <rdsandiford@googlemail.com>
3389 * sched-int.h (bb_note): Move to...
3390 * basic-block.h: ...here.
3391 * haifa-sched.c (bb_note): Move to...
3392 * cfgrtl.c: ...here.
3393 * function.c (next_block_for_reg): New function.
3394 (move_insn_for_shrink_wrap): Likewise.
3395 (prepare_shrink_wrap): Rewrite to use the above.
3397 2012-01-09 Aldy Hernandez <aldyh@redhat.com>
3399 * gimple.c (is_gimple_non_addressable): Remove.
3400 * gimple.h: Remove is_gimple_non_addressable.
3401 * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
3402 is_gimple_non_addressable.
3403 * trans-mem.c (expand_assign_tm): Same.
3405 2012-01-09 Richard Guenther <rguenther@suse.de>
3407 PR tree-optimization/51775
3408 * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
3409 * tree-ssa-pre.c (eliminate): Properly fixup EH info.
3411 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
3413 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
3415 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
3417 2012-01-09 Richard Guenther <rguenther@suse.de>
3419 * tree-streamer-out.c (write_ts_optimization): Fix spelling.
3421 2012-01-08 Jan Hubicka <jh@suse.cz>
3423 PR tree-optimize/51680
3424 * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
3425 on when known_vals needs to be computed; cleanup.
3427 2012-01-08 Jan Hubicka <jh@suse.cz>
3429 PR tree-optimize/51694
3430 * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
3432 2012-01-08 Jonathan Wakely <jwakely.gcc@gmail.com>
3434 * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
3435 for -std=c++98 and -std=c++11 too.
3437 2012-01-08 Chung-Lin Tang <cltang@codesourcery.com>
3439 * cfgloop.c (cancel_loop): Add free() of bbs array.
3441 2012-01-07 Jan Hubicka <jh@suse.cz>
3443 PR tree-optimization/51600
3444 * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
3445 that benefits small functions.
3447 2012-01-07 Jan Hubicka <jh@suse.cz>
3449 * ipa-inline.c (want_inline_small_function_p): Fix formating.
3451 2012-01-07 Jan Hubicka <jh@suse.cz>
3453 PR tree-optimization/51680
3454 * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
3455 whose inlining reduce unit size.
3457 2012-01-07 Alexandre Oliva <aoliva@redhat.com>
3460 * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
3461 Add canonical node to containing_mem chain after the non-canonical
3462 one, even if there weren't any locs to propagate.
3463 (remove_useless_values): Keep only canonical values.
3464 (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
3465 (cselib_invalidate_mem): Likewise. Ensure v is canonical, and
3466 canonicalize mem_chain elements that are not discarded.
3468 2012-01-06 Jakub Jelinek <jakub@redhat.com>
3471 * cgraphunit.c (cgraph_optimize): Call output_weakrefs
3472 before emitting functions.
3474 PR gcov-profile/50127
3475 * bb-reorder.c (partition_hot_cold_basic_blocks): Call
3476 clear_aux_for_blocks.
3478 2012-01-06 Alexandre Oliva <aoliva@redhat.com>
3481 * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
3483 2012-01-06 Arnaud Charlet <charlet@adacore.com>
3485 * c-decl.c (ext_block): Moved up.
3486 (collect_all_refs, for_each_global_decl): Take ext_block into account.
3488 2012-01-06 Han Shen <shenhan@google.com>
3490 Translate built-in include paths for sysroot.
3491 * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
3492 (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
3494 * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
3495 GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
3497 * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
3498 control whether sysroot should be prepended to gxx include dir.
3500 * configure: Regenerate.
3502 2012-01-06 Torvald Riegel <triegel@redhat.com>
3504 PR rtl-optimization/51771
3505 * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
3506 * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
3508 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
3510 PR tree-optimization/51315
3511 * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
3512 (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
3514 2012-01-05 Uros Bizjak <ubizjak@gmail.com>
3517 * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
3518 for shrp pattern. Correctly handle and fixup shift variable.
3519 Return false when shift > nelt for BYTES_BIG_ENDIAN target.
3521 2012-01-05 Jakub Jelinek <jakub@redhat.com>
3524 * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
3525 note when !ACCUMULATE_OUTGOING_ARGS.
3527 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
3529 * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
3531 (extract_range_from_unary_expr_1): Avoid useless computations.
3533 2012-01-05 Jakub Jelinek <jakub@redhat.com>
3535 PR rtl-optimization/51767
3536 * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
3537 of jump_block and add an extra edge for degenerated asm gotos.
3540 * stmt.c (check_unique_operand_names): Don't ICE during error
3541 reporting if i is from labels chain.
3544 * profile.c (branch_prob): Split bbs that have exit edge
3545 and need a fake entry edge too.
3547 2012-01-05 Jan Hubicka <jh@suse.cz>
3550 * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
3553 2012-01-05 Richard Guenther <rguenther@suse.de>
3556 * tree-streamer-out.c (write_ts_optimization): New function.
3557 (streamer_write_tree_body): Call it.
3558 * tree-streamer-in.c (lto_input_ts_optimization): New function.
3559 (streamer_read_tree_body): Call it.
3560 * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
3562 2012-01-05 Jakub Jelinek <jakub@redhat.com>
3565 * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
3566 * gimplify.c (gimplify_cleanup_point_expr): Save and set
3567 in_cleanup_point_expr before gimplify_stmt call and restore it
3569 (gimplify_target_expr): Don't add {CLOBBER} cleanup if
3570 in_cleanup_point_expr is false.
3572 2012-01-05 Richard Guenther <rguenther@suse.de>
3575 * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
3577 * toplev.c (process_options): Reject combining mudflap and LTO.
3578 * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
3580 2012-01-05 Richard Guenther <rguenther@suse.de>
3582 PR tree-optimization/51760
3583 * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
3585 (bit_value_unop): Handle UNDEFINED operands.
3586 (bit_value_binop): Likewise.
3588 2012-01-05 Georg-Johann Lay <avr@gjlay.de>
3590 * config/avr/avr.c (avr_replace_prefix): Remove.
3591 (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
3592 (avr_asm_function_rodata_section): Ditto.
3593 (avr_asm_select_section): Ditto.
3595 2012-01-05 Marcus Shawcroft <marcus.shawcroft@arm.com>
3597 * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
3600 2012-01-05 Jakub Jelinek <jakub@redhat.com>
3603 * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
3604 calls that have any non-fake successor edges.
3607 * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
3609 2012-01-04 Eric Botcazou <ebotcazou@adacore.com>
3611 PR tree-optimization/51624
3612 * tree-sra.c (build_ref_for_model): When replicating a chain of
3613 COMPONENT_REFs, stop as soon as the offset would become negative.
3615 2012-01-04 Jakub Jelinek <jakub@redhat.com>
3618 * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
3619 in .debug_loc on the floor.
3621 2012-01-04 Andrew Pinski <apinski@cavium.com>
3623 * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
3625 2012-01-04 Andrew Pinski <apinski@cavium.com>
3626 Adam Nemet <anemet@caviumnetworks.com>
3628 * config/mips/mips.md (size): Add SI and DI.
3629 (SIZE): New mode attribute.
3630 (U): New code attribute.
3631 * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
3632 (mips_lbux_<mode>): Delete.
3633 (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
3634 (mips_lhx): Use gen_mips_lhx_extsi.
3635 (mips_lhx_<mode>): Delete.
3637 (mips_l<size>x): New expand.
3638 (mips_lwx_<mode>): Delete.
3639 (mips_l<GPR:size>x_<P:mode>): New pattern.
3640 (*mips_lw<u>x_<P:mode>_ext): Likewise.
3641 * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
3642 * config/mips/mips.c (mips_lx_address_p): New function.
3643 (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
3644 (dsp64): New availability predicate.
3645 (mips_builtins): Add an entry for __builtin_mips_ldx.
3646 * config/mips/mips.h (ISA_HAS_LBX): New define.
3647 (ISA_HAS_LBUX): Likewise.
3648 (ISA_HAS_LHX): Likewise.
3649 (ISA_HAS_LHUX): Likewise.
3650 (ISA_HAS_LWX): Likewise.
3651 (ISA_HAS_LWUX): Likewise.
3652 (ISA_HAS_LDX): Likewise.
3653 * doc/extend.texi (__builtin_mips_ldx): Document.
3655 2012-01-04 Tristan Gingold <gingold@adacore.com>
3657 * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
3658 when long pointers are used.
3659 * config.build (*-*-*vms*): Handle all OpenVMS targets.
3660 (alpha64-dec-*vms*, alpha*-dec-*vms*)
3661 (ia64-hp-*vms*): Remove.
3662 * config/vms/xm-vms64.h: Delete.
3664 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
3667 * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
3669 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
3671 * opts.c (finish_options): Remove duplicate sorry.
3673 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
3676 * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
3679 2012-01-04 Richard Guenther <rguenther@suse.de>
3682 * tree.c (size_low_cst): New function.
3683 * tree.h (size_low_cst): Declare.
3684 * fold-const.c (fold_comparison): Use it to extract the low
3685 part of the POINTER_PLUS_EXPR offset.
3687 2012-01-04 Georg-Johann Lay <avr@gjlay.de>
3689 Fix clearing ZERO_REG
3690 * config/avr/avr.md (cc): Add alternative "ldi".
3691 (movqi_insn): Use it in cc attribute.
3692 * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
3693 (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
3694 (output_reload_insisf): Use ZERO_REG to pre-clear register.
3696 2012-01-04 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3698 * configure: Regenerate.
3700 2012-01-04 Richard Guenther <rguenther@suse.de>
3702 PR tree-optimization/49651
3703 * tree-ssa-structalias.c (type_can_have_subvars): New function.
3704 (var_can_have_subvars): Use it.
3705 (get_constraint_for_1): Only consider subfields if there can be any.
3707 2012-01-03 Jakub Jelinek <jakub@redhat.com>
3710 * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
3711 to its new canonical_cselib_val and the cselib_val was in
3712 first_containing_mem chain, but the canonical_cselib_val was not,
3713 add the latter into the chain.
3714 (cselib_invalidate_mem): Compare canonical_cselib_val of
3715 addr_list chain elt with v.
3718 * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
3719 dwarf2out_undef): Allocate e.info using ggc_strdup instead
3721 (output_macinfo_op): Don't ggc_strdup fd->filename.
3722 (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
3723 then ggc_strdup it. Don't free inc->info or cur->info.
3724 (output_macinfo): Don't free ref->info or file->info.
3726 2012-01-03 Ira Rosen <irar@il.ibm.com>
3728 PR tree-optimization/51269
3729 * tree-vect-loop-manip.c (set_prologue_iterations): Make
3730 first_niters a pointer.
3731 (slpeel_tree_peel_loop_to_edge): Likewise.
3732 (vect_do_peeling_for_loop_bound): Update call to
3733 slpeel_tree_peel_loop_to_edge.
3734 (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
3735 here. Remove it from the parameters list.
3736 (vect_do_peeling_for_alignment): Update calls and compute
3739 2012-01-03 Richard Guenther <rguenther@suse.de>
3741 PR tree-optimization/51070
3742 * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
3743 Properly handle calls.
3745 2012-01-03 Richard Guenther <rguenther@suse.de>
3747 PR tree-optimization/51692
3748 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
3749 the LHS of allocation stmts.
3751 2012-01-03 Olivier Hainque <hainque@adacore.com>
3753 * system.h: Prior to #define, #undef fopen and freopen unconditionally.
3755 2012-01-03 Olivier Hainque <hainque@adacore.com>
3757 * collect2.c (main): In AIX specific computations for vector
3758 insertions, use CONST_CAST2 to cast from char ** to const char **.
3760 2012-01-03 Richard Guenther <rguenther@suse.de>
3763 * dwarf2out.c (dwarf2out_finish): Always create a DIE for
3764 the context of a limbo DIE when it does not already exist.
3766 2012-01-03 Jakub Jelinek <jakub@redhat.com>
3768 PR tree-optimization/51719
3769 * value-prof.c (gimple_ic): When indirect call isn't noreturn,
3770 but direct call is, clear direct call's lhs and don't add fallthrough
3771 edge from dcall_bb to join_bb and PHIs.
3773 2012-01-03 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3775 * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
3776 the instructions emitted by the pattern.
3777 ("*TDC_insn_<mode>"): Add comment.
3779 2012-01-03 Richard Guenther <rguenther@suse.de>
3782 * fold-const.c (fold_comparison): Properly canonicalize
3783 tree offset and HOST_WIDE_INT bit position.
3785 2012-01-02 Uros Bizjak <ubizjak@gmail.com>
3787 * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
3788 operands for extzv pattern.
3790 2012-01-02 Jakub Jelinek <jakub@redhat.com>
3793 * cselib.c (add_mem_for_addr): Call canonical_cselib_val
3796 2012-01-02 Sandra Loosemore <sandra@codesourcery.com>
3798 * doc/invoke.texi (-flto and related options): Copy-edit.
3800 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
3802 * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
3804 2012-01-02 Jakub Jelinek <jakub@redhat.com>
3806 * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
3809 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
3811 * expr.h (move_by_pieces_ninsns): Declare.
3812 * expr.c (move_by_pieces_ninsns): Make external.
3813 * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
3814 (mips_store_by_pieces_p): Likewise.
3815 * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
3816 (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
3817 * config/mips/mips.c (mips_move_by_pieces_p): New function.
3818 (mips_store_by_pieces_p): Likewise.
3820 2012-01-02 Jakub Jelinek <jakub@redhat.com>
3822 * passes.c (register_one_dump_file): Free full_name.
3824 * reload1.c (reload): Don't allocate reg_max_ref_width here.
3825 (calculate_elim_costs_all_insns): Free offsets_at and
3826 offsets_known_at at the end and clear the pointers.
3828 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
3830 * config/avr/avr.opt (-mbranch-cost): Fix double definition of
3831 this option introduced in r180739.
3833 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
3836 * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
3837 (tmake_file target=avr): Add avr/t-multilib.
3839 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
3840 to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
3841 * config/avr/genmultilib.awk: New file.
3842 * config/avr/t-multilib: New auto-generated file.
3843 * config/avr/multilib.h: New auto-generated file.
3844 * config/avr/t-avr (AVR_MCUS): New variable.
3845 (genopt.sh): Use it.
3846 (s-mlib): Depend on t-multilib.
3847 (t-multilib, multilib.h): New dependencies.
3848 (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
3849 (MULTILIB_OPTIONS): Remove.
3850 (MULTILIB_MATCHES): Remove.
3851 (MULTILIB_DIRNAMES): Remove.
3852 (MULTILIB_EXCEPTIONS): Remove:
3853 * config/avr/genopt.sh: Don't use hard coded file name;
3854 pass AVR_MCUS from t-avr instead.
3856 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
3858 * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
3860 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
3862 Implement light-weight DImode support.
3863 * config/avr/avr-dimode.md: New file.
3864 * config/avr/avr.md: Include it.
3865 (adjust_len): Add plus64, compare64.
3866 (HIDI): Remove code iterator.
3867 (code_stdname): New code attribute.
3868 (rotx, rotsmode): Remove DI.
3869 (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
3871 * config/avr/avr-protos.h (avr_have_dimode): New.
3872 (avr_out_plus64, avr_out_compare64): New.
3873 * config/avr/avr.c (avr_out_compare): Handle DImode.
3874 (avr_have_dimode): New variable definition and initialization.
3875 (avr_out_compare64, avr_out_plus64): New functions.
3876 (avr_out_plus_1): Use simplify_unary_operation to negate xval.
3877 (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
3878 (avr_compare_pattern): Skip DImode comparisons.
3880 2012-01-02 Revital Eres <revital.eres@linaro.org>
3882 * ddg.c (def_has_ccmode_p): New function.
3883 (add_cross_iteration_register_deps,
3884 create_ddg_dep_from_intra_loop_link): Call it.
3886 2012-01-02 Richard Guenther <rguenther@suse.de>
3889 * invoke.texi (fassociative-math): Remove spurious paranthesis.
3891 2012-01-01 Jakub Jelinek <jakub@redhat.com>
3893 * gcc.c (process_command): Update copyright notice dates.
3894 * gcov.c (print_version): Likewise.
3895 * gcov-dump.c (print_version): Likewise.
3896 * mips-tfile.c (main): Likewise.
3897 * mips-tdump.c (main): Likewise.
3899 2012-01-01 Ira Rosen <irar@il.ibm.com>
3901 PR tree-optimization/51704
3902 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
3903 a use is inside the basic block or loop before accessing its vect info.
3905 2012-01-01 Jan Hubicka <jhjh@suse.cz>
3907 PR rtl-optimization/51069
3908 * cfgloopmanip.c (remove_path): Removing path making irreducible
3909 region unconditional makes BB part of the region.
3911 2012-01-01 Jakub Jelinek <jakub@redhat.com>
3913 PR tree-optimization/51683
3914 * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
3915 calls with side-effects.
3916 * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
3918 Copyright (C) 2012 Free Software Foundation, Inc.
3920 Copying and distribution of this file, with or without modification,
3921 are permitted in any medium without royalty provided the copyright
3922 notice and this notice are preserved.
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