1 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
3 * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
4 of initializer to changes from r184614.
6 2012-02-28 Richard Guenther <rguenther@suse.de>
8 PR tree-optimization/52395
9 * tree-sra.c (build_ref_for_offset): Also look at the base
10 TYPE_ALIGN when figuring out the alignment of the replacement.
12 2012-02-28 Richard Guenther <rguenther@suse.de>
14 PR tree-optimization/52402
15 * ipa-prop.c (ipa_modify_call_arguments): Properly use
16 mis-aligned types when creating the accesses at the call site.
18 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
20 * config/avr/builtins.def: New file.
21 * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
22 * config/avr/avr.c (enum avr_builtin_id): Use it.
23 (avr_init_builtins): Use it. And use avr_bdesc.
27 (struct avr_builtin_description): Add field n_args.
28 (avr_bdesc): New static variable using builtins.def.
29 (avr_expand_builtin): Use it.
30 Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
31 (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
32 Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.
34 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
37 * config/avr/avr.md (movmem_<mode>): Replace match_operand that
38 match only one single hard register with respective hard reg rtx.
39 (movmemx_<mode>): Ditto.
40 * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
41 insn anatomy of movmem[x]_<mode>.
42 (avr_out_movmem): Same for printing assembler and operand usage.
44 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
48 * doc/extend.texi (AVR Named Address Spaces): No more try to fix
49 address spaces located outside of device flash.
51 * config/avr/avr.h (base_arch_s): Remove field n_segments.
52 (mcu_type_s): Add field n_flash.
53 * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
54 Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
55 (AVR_MCU): Add N_FLASH argument.
56 * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
57 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
58 macro __FLASH<n> if that address space makes sense for the device.
59 * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
60 outside of target flash.
61 (avr_asm_named_section): Ditto.
62 (avr_asm_select_section): Ditto.
63 (avr_addr_space_convert): Ditto.
64 (avr_emit_movmemhi): Ditto.
65 (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
66 address space is outside of device flash.
67 (avr_insert_attributes): Ditto.
68 (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
69 avr_current_arch->n_segments.
71 2012-02-27 H.J. Lu <hongjiu.lu@intel.com>
74 * config/i386/i386.md (*movabs<mode>_1): Enable only for
76 (*movabs<mode>_2): Likewise.
78 2012-02-27 Jakub Jelinek <jakub@redhat.com>
81 * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
82 s_register_operand in the test instead of REG_P. Don't call
83 gen_reg_rtx if it won't be used.
85 PR tree-optimization/52376
86 * ipa-split.c (split_function): Ignore CLOBBER stmts.
88 2012-02-27 Stuart Henderson <shenders@gcc.gnu.org>
90 * ifcvt.c (noce_get_condition): Check condition variable is not
91 small_register_classes_for_mode_p before accepting.
93 2012-02-27 Uros Bizjak <ubizjak@gmail.com>
95 * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
97 2012-02-27 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
100 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
101 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
103 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
105 2012-02-27 Oleg Endo <olegendo@gcc.gnu.org>
107 * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
109 2012-02-26 Oleg Endo <olegendo@gcc.gnu.org>
111 * config/sh/predicates.md: Remove blank lines.
112 * config/sh/sh.c: Fix typos in comments.
113 * config/sh/constraints.md: Likewise.
114 * config/sh/sh.md: Remove blank lines.
115 Fix typos in comments. Use ;; as comment characters.
117 2012-02-26 Walter Lee <walt@tilera.com>
119 * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
120 (replace_mov_pcrel_step2): Ditto.
122 2012-02-25 Alexandre Oliva <aoliva@redhat.com>
125 * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
126 (get_addr): Walk canonical value's locs. Avoid returning VALUEs
127 and locs that reference values newer than the non-canonical value
128 at hand. Return the canonical value as a worst case.
129 (memrefs_conflict_p): Walk canonical value's locs.
132 * cselib.c (preserve_only_constants): Rename to...
133 (preserve_constants_and_equivs): ... this. Split out...
134 (invariant_or_equiv_p): ... this. Preserve plus expressions
135 of other preserved expressions too.
136 (cselib_reset_table): Adjust.
137 * var-tracking.c (reverse_op): Use canonical value to build
140 2012-02-23 Kai Tietz <ktietz@redhat.com>
142 * config/i386/i386.c (ix86_delegitimize_address): Handle
143 UNSPEC_PCREL plus displacement.
145 2012-02-24 Georg-Johann Lay <avr@gjlay.de>
148 * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
149 to test for unusedness in st X addressing.
151 2012-02-24 Richard Guenther <rguenther@suse.de>
154 * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
155 (is_gimple_reg_type): Move inline ...
156 * gimple.h (is_gimple_reg_type): ... here.
158 2012-02-24 Richard Guenther <rguenther@suse.de>
161 * passes.c (execute_function_todo): When verifying SSA form
162 verify gimple form first.
163 * tree-ssa.c (verify_ssa): Do not verify gimple form here.
165 2012-02-24 Richard Guenther <rguenther@suse.de>
168 * fold-const.c (fold_addr_of_array_ref_difference): New function.
169 (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
171 2012-02-13 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
173 * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
175 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
177 * tree-phinodes.c (make_phi_node): Mark static.
178 * tree-flow.h (make_phi_node): Remove extern decl.
179 * doc/gimple.texi (make_phi_node): Remove documentation.
181 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
183 * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
184 * tree-ssa-sccvn.c (print_scc): Ditto.
186 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
188 * doc/passes.texi (Full redundancy elimination): Fix typo.
190 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
192 * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
194 2012-02-23 Eric Botcazou <ebotcazou@adacore.com>
197 * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
199 2012-02-23 Uros Bizjak <ubizjak@gmail.com>
202 * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
204 2012-02-23 Georg-Johann Lay <avr@gjlay.de>
206 * config/avr/avr.md (code_stdname): Add ior, xor.
207 (xior): New code iterator.
208 (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
209 (*<code_stdname><mode>qi.byte1-3): Ditto.
211 2012-02-23 Jakub Jelinek <jakub@redhat.com>
213 PR tree-optimization/52019
214 * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
217 2012-02-23 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
219 * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
220 HAVE_INITFINI_ARRAY to work around namespace pollution in
221 certain versions of newlib system headers.
222 * config.in: Regenerate.
223 * configure: Regenerate.
224 * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
225 instead of HAVE_INITFINI_ARRAY.
227 2012-02-22 Uros Bizjak <ubizjak@gmail.com>
230 * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
231 is not offsettable memory reference.
233 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
236 * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
237 setting avr_need_clear_bss_p for __gnu_lto* symbols.
239 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
241 * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
242 * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
244 2012-02-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
246 * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
247 library on Solaris 8 even without TLS support.
248 * configure: Regenerate.
250 2012-02-22 Richard Guenther <rguenther@suse.de>
253 * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
254 for GIMPLE_DEBUG stmts.
256 2012-02-22 Martin Jambor <mjambor@suse.cz>
259 * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
260 according to the base object.
262 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
264 PR rtl-optimization/50063
265 * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
266 and 2 (8-bit SP) in operand 2.
267 * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
268 setup to use movhi_sp_r instead of vanilla move to write SP.
269 Adjust REG_CFA notes to superseed unspec.
270 (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
272 As function body might contain CLI or SEI: Use irq_state 0 (IRQ
273 known to be off) only with TARGET_NO_INTERRUPTS. Never use
274 irq_state 1 (IRQ known to be on) here.
276 2012-02-21 Bernd Schmidt <bernds@codesourcery.com>
278 * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
280 * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
281 assign_hard_reg): Likewise.
283 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
285 * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
287 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
290 (*dec-and-branchhi!=-1.d.clobber): New text peephole.
291 (*dec-and-branchhi!=-1.l.clobber): New text peephole.
293 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
295 * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
296 prototype from here to...
297 * config/avr/avr.h: ...here.
299 2012-02-21 Richard Earnshaw <rearnsha@arm.com>
302 * thumb2.md (thumb2_shiftsi3_short): Split register and
303 immediate shifts. For register shifts tie operands 0 and 1.
304 (peephole2 for above): Check that register-controlled shifts
305 have suitably tied operands.
307 2012-02-21 Quentin Neill <quentin.neill@amd.com>
310 * config/i386/bdver1.md (bdver1_call, bdver1_push,
311 bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
312 bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
313 bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
314 bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
315 bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
316 bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
317 bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
318 bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
319 bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
320 bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
321 bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
322 bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
323 bdver1_ssevector_avx256_unaligned_load,
324 bdver1_ssevector_sse128_unaligned_load,
325 bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
326 bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
327 bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
328 bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
329 bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
330 bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
331 bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
332 bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
333 bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
334 bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
335 bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
336 bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
337 bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
338 bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
339 bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
340 bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
341 bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
342 bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
343 bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
344 bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
345 bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
346 bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
347 bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
348 bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
349 bdver1_ssediv_double_load, bdver1_ssediv_double,
350 bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
351 Add "bdver2" attribute.
353 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
355 * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
356 default if possible and not specified otherwise.
358 2012-02-21 Richard Guenther <rguenther@suse.de>
361 * gimplify.c (create_tmp_from_val): Use the main variant type
362 for the type of the temporary we create.
364 2012-02-21 Richard Guenther <rguenther@suse.de>
366 PR tree-optimization/52324
367 * gimplify.c (gimplify_expr): When re-gimplifying expressions
368 do not gimplify a MEM_REF address operand if it is already
371 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
373 * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
374 TARGET_HARD_FLOAT with TARGET_HARD_DFP.
376 2012-02-21 Richard Guenther <rguenther@suse.de>
378 * tree-vect-stmts.c (vectorizable_load): Use pre-computed
381 2012-02-21 Jakub Jelinek <jakub@redhat.com>
383 PR tree-optimization/52318
384 * gimple-fold.c (gimplify_and_update_call_from_tree): Add
385 vdef also to non-pure/const call stmts in the sequence.
387 2012-02-20 David S. Miller <davem@davemloft.net>
389 * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
390 don't use the "rd %pc" instruction on v9 for PIC register loads.
392 2012-02-20 Aldy Hernandez <aldyh@redhat.com>
395 * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
396 in a transaction safe function.
398 2012-02-20 Kai Tietz <ktietz@redhat.com>
401 * stor-layout.c (place_field): Handle desired_align for
404 2012-02-20 Richard Guenther <rguenther@suse.de>
406 PR tree-optimization/52298
407 * tree-vect-stmts.c (vectorizable_store): Properly use
408 STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
410 (vectorizable_load): Likewise.
411 * tree-vect-data-refs.c (vect_analyze_data_ref_access):
412 Access DR_STEP after ensuring it is not NULL.
414 2012-02-20 Jakub Jelinek <jakub@redhat.com>
416 PR tree-optimization/52286
417 * fold-const.c (fold_binary_loc): For (X & C1) | C2
418 optimization use double_int_to_tree instead of build_int_cst_wide,
419 rewrite to use double_int vars.
421 2012-02-20 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
424 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
426 Remove -e 0 from $gcc_cv_ld invocation.
427 Only use __GLIBC_PREREQ if defined.
428 Enable on Solaris since Solaris 8 patch.
429 (gcc_SUN_LD_VERSION): New macro.
430 * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
431 gcc_SUN_LD_VERSION for version number format.
432 * configure: Regenerate.
433 * varasm.c (get_elf_initfini_array_priority_section): Set
434 SECTION_NOTYPE for non-default priority.
435 Use get_section instead of get_unnamed_section to emit
436 .init_array/.fini_array with default priority.
438 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
440 * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
441 (mips_get_tp): Set it. Record that __mips16_rdhwr binds locally.
442 (mips_start_unique_function, mips_output_mips16_rdhwr)
443 (mips_code_end): New functions.
444 (TARGET_ASM_CODE_END): Define.
446 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
448 * config/mips/mips.c (mips16_build_call_stub): Add CFI information
449 to stubs with non-sibling calls.
451 2012-02-18 Sandra Loosemore <sandra@codesourcery.com>
453 * doc/invoke.texi (-fira-* options): Copy-edit.
454 (ira-* parameters): Copy-edit.
456 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
458 * doc/invoke.texi: Minor copy-edits to bring into conformance with
459 GCC coding conventions.
461 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
463 * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
464 when used as adjectives.
466 2012-02-16 Sandra Loosemore <sandra@codesourcery.com>
468 * doc/invoke.texi: Clean up "that"/"which" confusion.
470 2012-02-17 Steven Bosscher <steven@gcc.gnu.org>
472 * system.h: Poison SMALL_REGISTER_CLASSES
473 * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
474 * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
476 2012-02-16 Jakub Jelinek <jakub@redhat.com>
478 PR tree-optimization/52285
479 * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
480 when deciding if a call is a tail call or tail recursion.
482 2012-02-16 Kai Tietz <ktietz@redhat.com>
484 * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
485 interger-constant displacement for UNSPEC_PCREL.
487 2012-02-16 Jakub Jelinek <jakub@redhat.com>
489 PR rtl-optimization/52208
490 * ira-costs.c (scan_one_insn): Don't decrease mem_cost
491 for MEMs with REG_EQUIV, if the MEM isn't general_operand.
493 PR tree-optimization/52255
494 * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
495 loop->header has virtual PHI, but exit_e->dest doesn't, add
496 virtual PHI to exit_e->dest and adjust all uses after the loop.
499 * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
500 children with clone_tree_hash, not after it.
502 2012-02-16 Iain Sandoe <iains@gcc.gnu.org>
504 * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
505 extended identifiers.
507 2012-02-16 Jakub Jelinek <jakub@redhat.com>
510 * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
511 a same_body_alias, also test whether e->callee isn't a former
512 or current clone of the decl this is a same body alias of.
515 * cgraphunit.c (verify_cgraph_node): Fix a typo.
517 2012-02-15 Sandra Loosemore <sandra@codesourcery.com>
519 * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
521 2012-02-15 Michael Meissner <meissner@linux.vnet.ibm.com>
524 * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
525 force_reg instead of copy_to_reg for better optimization. Force
526 non-register or memory operands into a register.
528 2012-02-15 Andrew MacLeod <amacleod@redhat.com>
530 * extend.texi: Reserve upper bits of memory model for future use.
532 2012-01-15 Georg-Johann Lay <avr@gjlay.de>
533 Anatoly Sokolov <aesok@post.ru>
534 Eric Weddington <eric.weddington@atmel.com>
537 * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
538 avrxmega4, avrxmega5, avrxmega6, avrxmega7.
539 Rewrite initializers for .macro.
540 * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
541 avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
542 atxmega32d4, atxmega32x1.
543 avrxmega4: atxmega64a3, atxmega64d3.
544 avrxmega5: atxmega64a1, atxmega64a1u.
545 avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
546 atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
547 avrxmega7: atxmega128a1, atxmega128a1u.
548 * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
549 ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
550 (struct base_arch_s): Rename reserved to xmega_p.
551 Rename reserved2 to have_rampd.
552 (AVR_XMEGA): New define.
553 (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
554 (AVR_HAVE_RAMPZ): Change definition to fit xmega.
555 * config/avr/predicates.md (io_address_operand): Take into
557 (low_io_address_operand): Ditto.
558 (high_io_address_operand): Ditto.
559 * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
560 (enabled, movhi_sp_r): Use them.
561 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
562 cpp_define_formatted to built-in define __AVR_ARCH__.
563 (__AVR_XMEGA__): New built-in define.
564 (__AVR_HAVE_RAMPD__): New built-in define.
565 (__AVR_HAVE_RAMPX__): New built-in define.
566 (__AVR_HAVE_RAMPY__): New built-in define.
567 (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
569 * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
570 (avr_option_override): Initialize them.
571 (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
572 (avr_init_expanders): Initialize them. No more block several calls.
573 (emit_push_sfr): New static function.
574 (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
576 (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
577 (avr_print_operand): Print addreeses as symbols for
578 RAMPX, RAMPY, RAMPD, CCP.
579 (output_movhi): Handle AVR_XMEGA when writing to SP.
580 (avr_out_movhi_mr_r_xmega): New static function.
581 (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
582 (avr_file_start): Print symbol defines for __RAMPX__, __RAMPY__,
583 __RAMPD__, __CCP__ as needed.
585 * config/avr/multilib.h: Regenerate.
586 * config/avr/t-multilib: Regenerate.
587 * config/avr/avr-tables.opt: Regenerate.
589 2012-02-15 Tobias Grosser <grosser@fim.uni-passau.de>
591 PR tree-optimization/50561
592 * graphite-flattening.c (lst_project_loop): Do not
593 remove old scattering dimensions after flattening.
594 (lst_do_flatten): Likewise.
596 2012-02-15 Georg-Johann Lay <avr@gjlay.de>
598 * doc/extend.texi (AVR Built-in Functions): Remove doc for
599 __builtin_avr_map8, __builtin_avr_map16.
600 Document __builtin_avr_insert_bits.
602 * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
603 (insert_bits): New insn.
604 (adjust_len.map_bits): Rename to insert_bits.
605 (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
606 * avr-protos.h (avr_out_map_bits): Remove.
607 (avr_out_insert_bits, avr_has_nibble_0xf): New.
608 * config/avr/constraints.md (Cxf,C0f): New.
609 * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
610 defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
611 New built-in define __BUILTIN_AVR_INSERT_BITS.
612 * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
613 (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
614 (avr_move_bits): Rewrite.
615 (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
617 (avr_map_op_t): New typedef.
618 (avr_map_op): New static variable.
619 (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
620 (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
621 (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
622 (bdesc_3arg, avr_expand_triop_builtin): New.
623 (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
624 (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
625 (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
626 (avr_map_equal_p, avr_map_sig_p): Remove.
627 (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
628 (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
629 (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
630 (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
631 (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
632 (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
634 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
636 * config/c6x/c6x.md (reserve_cycles): New attribute.
637 * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
638 don't reserve functional units after the branch occurs.
640 2012-02-14 Aldy Hernandez <aldyh@redhat.com>
643 * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
644 functions into non-tm_pure functions.
646 2012-02-14 Eric Botcazou <ebotcazou@adacore.com>
649 * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
650 (iterative_hash_canonical_type): Likewise.
651 * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
654 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
656 * haifa-sched.c (prune_ready_list): Ensure that if there is a
657 sched-group insn, it either remains alone or the entire list is pruned.
659 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
661 * doc/install.texi (Prerequisites): Fix grammar.
662 (Configuration): Likewise.
664 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
666 * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
667 MPC as part of GCC before describing configuring with --with-gmp etc.
668 (Installing GCC: Configuration): --with-gmp etc. aren't needed if
671 2012-02-14 Jakub Jelinek <jakub@redhat.com>
674 * dwarf2out.c (clone_tree_hash): New function.
675 (copy_decls_walk): Use it instead of clone_tree.
677 2012-02-14 Richard Guenther <rguenther@suse.de>
679 PR tree-optimization/52244
680 PR tree-optimization/51528
681 * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
682 replacements for integral types.
684 2012-02-14 Walter Lee <walt@tilera.com>
686 * config.gcc: Handle tilegx and tilepro.
687 * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
689 Add HAVE_AS_TLS check for tilegx and tilepro.
690 * configure: Regenerate.
691 * doc/contrib.texi: Add Mat Hostetter and self.
692 * doc/extend.texi (TILE-Gx Built-in Functions): New node.
693 Document instruction intrinsics and network accessing intrinsics.
694 (TILEPro Built-in Functions): New node. Document instruction
695 intrinsics and network accessing intrinsics.
696 * doc/install.texi (Specific, tilegx-*-linux*): Document it.
697 (Specific, tilepro-*-linux*): Likewise.
698 * doc/invoke.texi (TILE-Gx Options): New section.
699 (TILEPro Options): New section.
700 * doc/md.texi (TILE-Gx): New section.
701 (TILEPro): New section.
702 * common/config/tilegx/tilegx-common.c: New file.
703 * common/config/tilepro/tilepro-common.c: New file.
704 * config/tilegx/constraints.md: New file.
705 * config/tilegx/linux.h: New file.
706 * config/tilegx/mul-tables.c: New file.
707 * config/tilegx/predicates.md: New file.
708 * config/tilegx/sync.md: New file.
709 * config/tilegx/t-tilegx: New file.
710 * config/tilegx/tilegx-builtins.h: New file.
711 * config/tilegx/tilegx-c.c: New file.
712 * config/tilegx/tilegx-generic.md: New file.
713 * config/tilegx/tilegx-modes.def: New file.
714 * config/tilegx/tilegx-multiply.h: New file.
715 * config/tilegx/tilegx-protos.h: New file.
716 * config/tilegx/tilegx.c: New file.
717 * config/tilegx/tilegx.h: New file.
718 * config/tilegx/tilegx.md: New file.
719 * config/tilegx/tilegx.opt: New file.
720 * config/tilepro/constraints.md: New file.
721 * config/tilepro/gen-mul-tables.cc: New file.
722 * config/tilepro/linux.h: New file.
723 * config/tilepro/mul-tables.c: New file.
724 * config/tilepro/predicates.md: New file.
725 * config/tilepro/t-tilepro: New file.
726 * config/tilepro/tilepro-builtins.h: New file.
727 * config/tilepro/tilepro-c.c: New file.
728 * config/tilepro/tilepro-generic.md: New file.
729 * config/tilepro/tilepro-modes.def: New file.
730 * config/tilepro/tilepro-multiply.h: New file.
731 * config/tilepro/tilepro-protos.h: New file.
732 * config/tilepro/tilepro.c: New file.
733 * config/tilepro/tilepro.h: New file.
734 * config/tilepro/tilepro.md: New file.
735 * config/tilepro/tilepro.opt: New file.
737 2012-02-14 Jakub Jelinek <jakub@redhat.com>
739 PR tree-optimization/52210
740 * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
741 vect_model_simple_cost with two entry vect_def_type array instead
744 2012-02-14 Richard Guenther <rguenther@suse.de>
747 * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
748 Do not stream DECL_QUALIFIER.
749 * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
750 * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
751 (find_decls_types_r): Do not walk DECL_QUALIFIER.
753 2012-02-14 Jakub Jelinek <jakub@redhat.com>
756 * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
759 2012-02-13 Jakub Jelinek <jakub@redhat.com>
762 * cselib.h (cselib_subst_to_values_from_insn): New prototype.
763 * cselib.c (cselib_subst_to_values_from_insn): New function.
764 * sched-deps.c (add_insn_mem_dependence,
765 sched_analyze_1, sched_analyze_2): Use it.
767 2012-02-13 Jan Hubicka <jh@suse.cz>
770 * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
772 2012-02-13 Eric Botcazou <ebotcazou@adacore.com>
774 * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
775 (GTM_SELF_SPECS): Define if not already defined.
776 (driver_self_specs): Add GTM_SELF_SPECS.
777 * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
778 (GTM_SELF_SPECS): Define.
779 * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
780 * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
782 2012-02-13 Jakub Jelinek <jakub@redhat.com>
784 * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
787 * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
790 * omp-low.c (expand_omp_for): If a static schedule without chunk size
791 has NULL region->cont, force fd.chunk_size to be integer_zero_node.
793 2012-02-13 Andrew MacLeod <amacleod@redhat.com>
796 * doc/extend.texi : Fix another __atomic_compare_exchange typo.
798 2012-02-13 Richard Guenther <rguenther@suse.de>
801 * passes.c (enable_disable_pass): Fix typo.
803 2012-02-13 Jakub Jelinek <jakub@redhat.com>
806 * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
807 XOR for reduce_bit_field if type is unsigned.
809 2012-02-12 Eric Botcazou <ebotcazou@adacore.com>
811 * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
812 disallow changes from SFmode to mode with different size in FP regs.
814 2012-02-12 Robert Millan <rmh@gnu.org>
815 Gerald Pfeifer <gerald@pfeifer.com>
817 * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
820 2012-02-11 Richard Sandiford <rdsandiford@googlemail.com>
822 PR rtl-optimization/52175
823 * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
824 to frame-related instructions.
826 2012-02-10 Jason Merrill <jason@redhat.com>
829 * tlink.c (demangled_hash_entry): Change mangled to a VEC.
830 (demangle_new_symbols): Fill it.
831 (scan_linker_output): Walk it.
832 (start_tweaking): Split out from scan_linker_output.
833 (maybe_tweak): Update sym->chosen.
834 * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
836 2012-02-11 Jakub Jelinek <jakub@redhat.com>
839 * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
841 2012-02-11 Uros Bizjak <ubizjak@gmail.com>
843 * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
844 having the same mode as previous compare.
846 2012-02-10 Eric Botcazou <ebotcazou@adacore.com>
848 * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
849 * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
850 (nonlocal_goto_internal): Likewise.
851 (nonlocal_goto): Emit a use and an indirect jump directly.
853 2012-02-10 Andrew MacLeod <amacleod@redhat.com>
856 * doc/extend.texi : Update comments for __atomic_compare_exchange and
857 __atomic_{is,always}_lock_free.
859 2012-02-10 Uros Bizjak <ubizjak@gmail.com>
862 * config/i386/i386.c (ix86_legitimate_address_p): Disallow
863 negative constant address for x32.
865 2012-02-10 Richard Henderson <rth@redhat.com>
867 * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
868 * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
869 for GIMPLE_TRANSACTION. Tidy if's into a switch.
871 2012-02-10 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
872 Ira Rosen <irar@il.ibm.com>
874 PR tree-optimization/50031
875 * targhooks.c (default_builtin_vectorization_cost): Handle
877 * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
878 * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
879 all types of reduction and pattern statements.
880 (vect_estimate_min_profitable_iters): Likewise.
881 * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
882 (vect_get_load_cost): Use vec_perm for permutations; add dump logic
883 for explicit realigns.
884 (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
885 * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
887 * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
888 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
889 vec_perm for VSX and handle vec_promote_demote.
891 2012-02-10 Jakub Jelinek <jakub@redhat.com>
894 * builtins.c (fold_builtin_atomic_always_lock_free,
895 expand_builtin_atomic_always_lock_free,
896 fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
897 Return and/or test boolean_true_node/boolean_false_node instead of
898 integer_one_node/integer_zero_node.
900 2012-02-10 Jan Hubicka <jh@suse.cz>
903 * predict.c (predict_paths_for_bb): Prevent looping.
904 (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
906 2012-02-10 Roman Zhuykov <zhroma@ispras.ru>
908 * config/arm/arm.c (output_move_double): In one case properly
909 count number of instructions that will be emitted.
911 2012-02-10 Richard Guenther <rguenther@suse.de>
914 * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
916 2012-02-09 Peter Bergner <bergner@vnet.ibm.com>
919 * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
921 2012-02-09 Jakub Jelinek <jakub@redhat.com>
924 * var-tracking.c (emit_note_insn_var_location): If
925 EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
926 emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
927 non-NOTE_DURING_CALL_P insn.
929 2012-02-09 Bin Cheng <bin.cheng@arm.com>
932 * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
934 2012-02-08 Magnus Granberg <zorry@gentoo.org>
937 * gcc.c (switch_matches) Support switches with separated form,
940 2012-02-08 Georg-Johann Lay <avr@gjlay.de>
942 * config/avr/avr.md (SREG_ADDR): Remove constant definition.
945 * config/avr/avr.c (avr_addr_t): New typedef.
946 (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
947 (avr_init_expanders): Initialize it.
948 (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
950 (expand_epilogue): Ditto.
951 (avr_print_operand): Ditto.
952 (avr_file_start): Ditto.
953 (avr_emit_movmemhi): Ditto.
955 2012-02-08 Richard Guenther <rguenther@suse.de>
957 PR tree-optimization/46886
958 * tree-flow.h (do_while_loop_p): Declare.
959 * tree-ssa-loop-ch.c (do_while_loop_p): Export.
960 * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
962 2012-02-08 Andrew MacLeod <amacleod@redhat.com>
964 * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
965 always succeed for integers larger than a native word.
967 2012-02-08 Richard Guenther <rguenther@suse.de>
969 PR rtl-optimization/52170
970 * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
971 properly handle integer vector modes.
973 2012-02-08 Jakub Jelinek <jakub@redhat.com>
975 PR gcov-profile/52150
976 * coverage.c: Include target.h.
977 (build_var): Call targetm.strip_name_encoding on the assembler name.
978 Change one _ into . or $ if the target allows it.
979 * Makefile.in (coverage.o): Depend on $(TARGET_H).
981 PR rtl-optimization/52139
982 * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
983 is a BARRIER after emit_insn_after_noloc, move BB_END
984 to the last non-BARRIER insn before it.
986 2012-02-07 Richard Sandiford <rdsandiford@googlemail.com>
989 * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
990 (mips_gimplify_va_arg_expr): Call it instead of
991 std_gimplify_va_arg_expr.
993 2012-02-07 Michael Meissner <meissner@linux.vnet.ibm.com>
995 * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
996 message for -mno-pointers-to-nested-function.
998 2012-02-07 Eric Botcazou <ebotcazou@adacore.com>
1001 * expr.c (get_inner_reference): If there is an offset, add a negative
1002 bit position to it (if any).
1004 2012-02-07 Jakub Jelinek <jakub@redhat.com>
1006 PR rtl-optimization/52060
1007 * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
1008 copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
1009 before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
1010 and/or i0src_copy2 when needed.
1012 2012-02-07 Jakub Jelinek <jakub@redhat.com>
1014 * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
1015 or LTOPLUGINSONAME if have_c.
1017 * config/freebsd-spec.h: Add comment about what macros can be defined
1019 (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
1020 * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
1023 2012-02-07 Richard Guenther <rguenther@suse.de>
1025 * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
1026 newline in -alias dumps.
1028 2012-02-07 Kai Tietz <ktietz@redhat.com>
1029 Dave Korn <dave.korn.cygwin@gmail.com>
1032 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
1033 Take care that typinfo gets dllexport-attribute.
1035 2012-02-07 Jakub Jelinek <jakub@redhat.com>
1038 * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
1039 if modifier < EXPAND_SUM call force_operand on the result.
1041 2012-02-07 Joern Rennecke <joern.rennecke@embecosm.com>
1043 * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
1044 adding __forwarder_dst__ prefix if a forwarder_section attribute is
1046 (epiphany_function_type): Replace types for specific interrupts with
1047 EPIPHANY_FUNCTION_INTERRUPT.
1048 (EPIPHANY_INTERRUPT_P): Update.
1049 * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
1050 New static function.
1051 (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
1052 <disinterrupt>: Affects type identity.
1053 (epiphany_handle_interrupt_attribute): Handle variable number of
1055 (epiphany_compute_function_type): Update for new
1056 epiphany_function_type definition.
1057 (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
1058 handlers with a longcall forwarder.
1059 (epiphany_start_function): Handle multiple interrupt arguments and/or
1060 forwarder_section attribute.
1062 * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
1065 2012-02-07 Alan Modra <amodra@gmail.com>
1068 * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
1071 2012-02-06 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1073 PR tree-optimization/50969
1074 * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
1075 use vec_perm rather than vector_stmt.
1076 (vect_model_load_cost): Likewise.
1077 * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
1078 vec_perm to be the same as other vector statements.
1079 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
1080 cost of vec_perm for TARGET_VSX.
1082 2012-02-06 Richard Guenther <rguenther@suse.de>
1084 PR tree-optimization/52115
1085 * tree-sra.c (access_has_replacements_p): New function.
1086 (sra_modify_assign): Use it to decide whether a use is uninitialized.
1088 2012-02-06 Patrick Marlier <patrick.marlier@gmail.com>
1091 * trans-mem.c (expand_call_tm): Add an assertion.
1092 * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
1095 2012-02-06 Richard Guenther <rguenther@suse.de>
1097 PR tree-optimization/50955
1098 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
1099 raise cost of expressions that replace an address with an
1100 expression based on a different pointer.
1102 2012-02-06 Jakub Jelinek <jakub@redhat.com>
1105 * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
1106 CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
1108 2012-02-06 Jonathan Wakely <jwakely.gcc@gmail.com>
1111 * doc/invoke.texi (C++ Dialect Options): Use @option markup for
1112 -Weffc++ and specify guidelines come from second edition.
1114 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
1116 * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
1117 (sibcall_value_multiple_internal, call_split, call_internal_direct)
1118 (call_direct_split, call_value_split, call_value_internal_direct)
1119 (call_value_direct_split, call_value_multiple_split): Use jal and
1120 jal_macro attributes.
1122 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
1124 * reload1.c (reload_regs_reach_end_p): Replace with...
1125 (reload_reg_rtx_reaches_end_p): ...this function.
1126 (new_spill_reg_store): Update commentary.
1127 (emit_input_reload_insns): Don't clear new_spill_reg_store here.
1128 (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
1129 before setting new_spill_reg_store.
1130 (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
1131 Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
1132 Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
1133 for non-spill reload registers.
1135 2012-02-05 Ira Rosen <irar@il.ibm.com>
1137 PR tree-optimization/52091
1138 * tree-vectorizer.h (vect_is_simple_use): Add an argument.
1139 (vect_is_simple_use_1): Likewise.
1140 * tree-vect-loop.c (vectorizable_reduction): Update calls
1141 to vect_is_simple_use_1 and vect_is_simple_use.
1142 (vectorizable_live_operation): Likewise.
1143 * tree-vect-patterns.c (widened_name_p,
1144 vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
1145 * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
1146 vectorizable_call, vectorizable_conversion, vectorizable_assignment,
1147 vectorizable_shift,vectorizable_operation, vectorizable_store,
1148 vectorizable_load): Likewise.
1149 (vect_is_simple_cond): Add an argument, pass it to
1150 vect_is_simple_use_1.
1151 (vectorizable_condition): Update calls to vect_is_simple_cond,
1153 (vect_is_simple_use): Add an argument, the statement in which
1154 OPERAND is used. Check that if OPERAND's def stmt is a double
1155 reduction phi node, the use is a phi node too.
1156 (vect_is_simple_use_1): Add an argument, pass it to
1158 * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
1159 to vect_is_simple_use.
1161 2012-02-04 Jakub Jelinek <jakub@redhat.com>
1163 PR rtl-optimization/52095
1164 * modulo-sched.c (dump_insn_locator): New function.
1165 (loop_canon_p, sms_schedule): Use it.
1167 PR rtl-optimization/52113
1168 * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
1169 even for decomposable shift/zext insns.
1171 2012-02-03 Jakub Jelinek <jakub@redhat.com>
1172 Zdenek Dvorak <ook@ucw.cz>
1174 PR rtl-optimization/52092
1175 * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
1176 on get_iv_value result.
1178 2012-02-02 Andrew Pinski <apinski@cavium.com>
1182 * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
1184 2012-02-02 Jakub Jelinek <jakub@redhat.com>
1187 * diagnostic.c (diagnostic_finish): Remove trailing newlines.
1189 2012-02-02 Vladimir Makarov <vmakarov@redhat.com>
1191 PR rtl-optimization/49800
1192 * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
1193 (sched_finish): Call regstat_free_n_sets_and_refs.
1195 2012-02-02 Jia Liu <proljc@gmail.com>
1197 * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
1200 2012-02-02 Jan Hubicka <jh@suse.cz>
1201 Tom de Vries <tom@codesourcery.com>
1204 * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
1205 * varpool.c (varpool_analyze_pending_decls): Likewise.
1207 2012-02-02 Sumanth G <sumanth.gundapaneni@kpitcummins.com>
1208 Jayant R Sonar <jayant.sonar@kpitcummins.com>
1210 * config.gcc: Add cr16-* support.
1212 * doc/extend.texi: Document cr16 extensions.
1213 * doc/install.texi: Document cr16 install.
1214 * doc/invoke.texi: Document cr16 options.
1215 * doc/md.texi: Document cr16 constraints.
1217 * common/config/cr16/cr16-common.c: New file.
1218 * config/cr16/cr16.c: New file.
1219 * config/cr16/cr16.h: New file.
1220 * config/cr16/cr16.md: New file.
1221 * config/cr16/cr16.opt: New file.
1222 * config/cr16/cr16-protos.h: New file.
1223 * config/cr16/predicates.md: New file.
1224 * config/cr16/constraints.md: New file.
1225 * config/cr16/t-cr16: New file.
1227 2012-02-02 Jakub Jelinek <jakub@redhat.com>
1230 * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
1231 that operands[2] is either immediate, or q_regs_operand.
1233 PR tree-optimization/52073
1234 * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
1235 a pattern stmt for pattern uses, ignore uses outside of the loop.
1237 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
1239 * config/avr/avr.c: Resolve all AS1 and AS2 macros.
1240 * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
1241 (OUT_AS1, OUT_AS2): Remove.
1243 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
1245 PR rtl-optimization/51374
1246 * combine.c (can_combine_p): Don't allow volatile_refs_p insns
1247 to cross other volatile_refs_p insns.
1249 2012-02-01 Richard Guenther <rguenther@suse.de>
1251 * doc/invoke.texi (fno-inline): Clarify documentation.
1252 (finline-small-functions): Likewise.
1253 (finline-functions): Likewise.
1254 * common.opt (finline): Adjust comment and documentation.
1255 (finline-small-functions): Clarify documentation.
1256 (finline-functions): Likewise.
1257 (finline-functions-called-once): Likewise.
1259 2012-02-01 Tristan Gingold <gingold@adacore.com>
1261 * c-typeck.c (composite_type): Keep mode for pointers.
1263 2012-01-31 Richard Sandiford <rdsandiford@googlemail.com>
1265 * function.h (regno_reg_rtx): Adjust comment.
1266 * reginfo.c (init_reg_modes_target): Only use the previous mode
1267 if it fits within one register. Remove MIPS comment.
1269 2012-01-31 Jakub Jelinek <jakub@redhat.com>
1272 * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
1274 2012-01-31 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1276 * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
1277 to srak instruction.
1279 2012-01-31 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1281 * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
1283 2012-01-31 Jakub Jelinek <jakub@redhat.com>
1288 * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
1290 2012-01-31 Richard Guenther <rguenther@suse.de>
1292 PR tree-optimization/51528
1293 * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
1296 2012-01-31 Jakub Jelinek <jakub@redhat.com>
1301 * ree.c (add_removable_extension): Change def_map argument
1302 to unsigned *, store in def_map 1 + offset into *insn_list vector
1303 instead of pointers into the vector.
1304 (find_removable_extensions): Adjust caller.
1306 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
1308 * config/avr/avr.md: Resolve all AS1 and AS2 macros.
1309 Transform all "* quoted-c-code" to { c-code }.
1310 Remove redundant test for "optimize" in combine patterns.
1311 Move (include "avr-dimode.md") to end of file.
1313 2012-01-30 Bin Cheng <bin.cheng@arm.com>
1316 * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
1317 for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
1319 2012-01-30 Richard Guenther <rguenther@suse.de>
1321 PR tree-optimization/52028
1322 * tree-loop-distribution.c (ldist_gen): Properly update
1325 2012-01-30 Jakub Jelinek <jakub@redhat.com>
1328 * dwarf2out.c (dwarf2out_switch_text_section): Don't call
1329 set_cur_line_info_table if not emitting debug info.
1331 PR tree-optimization/52046
1332 * tree-vect-patterns.c (check_bool_pattern): Give up if
1333 a comparison could throw.
1336 * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
1338 2012-01-30 Richard Guenther <rguenther@suse.de>
1340 PR tree-optimization/52045
1341 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
1342 SSA form if cfgcleanup did anything.
1344 2012-01-30 Richard Guenther <rguenther@suse.de>
1346 PR tree-optimization/52045
1347 * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
1348 before computing final todo.
1350 2012-01-30 Richard Guenther <rguenther@suse.de>
1352 PR tree-optimization/51528
1353 * tree-sra.c (sra_modify_assign): Re-factor in preparation
1356 2012-01-30 Paolo Bonzini <bonzini@gnu.org>
1358 * df-problems.c (df_kill_notes): Check that the use refers
1359 to the note under examination.
1361 2012-01-30 Eric Botcazou <ebotcazou@adacore.com>
1364 * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
1365 parameter and use short-lived pseudos.
1366 (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
1367 (sparc_expand_vector_init): Const-ify local variables and adjust
1368 calls to above functions.
1370 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
1372 * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
1374 2012-01-29 Sandra Loosemore <sandra@codesourcery.com>
1376 * doc/invoke.texi: Make usage of "compile time" and
1377 "run time"/"runtime" consistent throughout the file.
1379 2012-01-29 Uros Bizjak <ubizjak@gmail.com>
1381 * config/alpha/alpha.c (alpha_option_override): Default to
1382 full IEEE compliance mode for Go language.
1384 2011-01-29 Tijl Coosemans <tijl@coosemans.org>
1386 * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
1387 (LINK_SSP_SPEC): Define.
1389 2012-01-28 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1392 * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
1395 2012-01-28 Sandra Loosemore <sandra@codesourcery.com>
1397 * doc/invoke.texi: Correct hyphenation of "floating point",
1398 "double precision", and related terminology throughout the file.
1400 2012-01-28 Jakub Jelinek <jakub@redhat.com>
1403 * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
1404 arm_general_register_operand predicate for operand 2 instead of
1407 2012-01-27 Ian Lance Taylor <iant@google.com>
1410 * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
1411 * builtins.c (expand_builtin_init_trampoline): Add onstack
1412 parameter. Change caller.
1413 (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
1414 * tree.c (build_common_builtin_nodes): Declare
1415 __builtin_init_heap_trampoline.
1417 2012-01-27 Georg-Johann Lay <avr@gjlay.de>
1419 * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
1420 tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
1421 * config/avr/avr.c: Ditto.
1422 (avr_regnames): Remove because unused.
1423 * config/avr/avr.md (*cpse.ne): New peephole.
1424 (*cpse.eq): New peephole from former cpse peepholes.
1426 2012-01-27 Michael Eager <eager@eagercon.com>
1428 * config/microblaze.c (microblaze_emit_compare): Correct
1429 test after pcmp instruction.
1431 2012-01-27 Richard Guenther <rguenther@suse.de>
1433 PR tree-optimization/52020
1434 * tree-sra.c (sra_modify_assign): Do not transform clobbers.
1436 2012-01-27 Richard Guenther <rguenther@suse.de>
1438 * ipa-pure-const.c (check_stmt): Clobbers do not make a
1439 function non-const/pure.
1441 2012-01-27 Richard Guenther <rguenther@suse.de>
1443 PR tree-optimization/50444
1444 * tree-sra.c (build_ref_for_offset): Properly adjust the
1445 MEM_REF type for unaligned accesses.
1447 2012-01-27 Richard Guenther <rguenther@suse.de>
1449 PR tree-optimization/50444
1450 * expr.c (mem_ref_refers_to_non_mem_p): New function.
1451 (expand_assignment): Use it. Properly handle misaligned
1452 bases when expanding stores to component references.
1453 (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
1456 2012-01-27 Andrey Belevantsev <abel@ispras.ru>
1459 * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
1460 * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
1461 * tree-data-ref.c (find_data_references_in_loop): Make static.
1462 (compute_all_dependences): Change return type to bool. Bail out
1463 for too many datarefs in a loop. Move the hunk resetting the data
1464 dependences vector from ...
1465 (compute_data_dependences_for_loop): ... here. Account for
1466 compute_all_dependences returning false.
1467 (compute_data_dependences_for_bb): Likewise.
1468 * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
1469 * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
1471 2012-01-27 Richard Guenther <rguenther@suse.de>
1474 * expr.c (store_field): Use the alias-set of the scratch memory
1477 2012-01-27 Tom de Vries <tom@codesourcery.com>
1479 PR tree-optimization/51990
1480 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
1482 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
1484 2012-01-27 Jakub Jelinek <jakub@redhat.com>
1487 * var-tracking.c (reverse_op): Don't add any reverse operation
1488 if V already has any constant locations.
1490 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
1492 * doc/invoke.texi: Correct usage of "command line" (noun)
1493 vs "command-line" (adjective) throughout.
1495 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
1497 * doc/invoke.texi (Language Independent Options): Move
1498 -Wcoverage-mismatch blurb from here....
1499 (Warning Options): ...to here.
1501 2012-01-27 Peter Bergner <bergner@vnet.ibm.com>
1503 * config/rs6000/rs6000.c (rs6000_option_override_internal):
1504 Set rs6000_always_hint to false for 476.
1506 2012-01-27 Matthias Klose <doko@ubuntu.com>
1508 * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
1510 * incpath.c (add_standard_paths): Likewise.
1512 2012-01-27 Richard Henderson <rth@redhat.com>
1514 * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
1515 * config/m68k/sync.md (atomic_test_and_set): Rename from
1516 sync_test_and_setqi and adjust the operands.
1517 (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
1518 and unconditionally enable.
1520 2012-01-27 Richard Henderson <rth@redhat.com>
1522 * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
1523 * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
1524 (ldstub): Rename from ldstubqi.
1525 (ldstub<I24MODE>): Remove.
1527 2012-01-27 Richard Henderson <rth@redhat.com>
1529 * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
1530 * c-cppbuiltin.c (cpp_atomic_builtins): Define
1531 __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
1532 * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
1533 * doc/tm.texi: Rebuild.
1535 2012-01-27 Richard Henderson <rth@redhat.com>
1537 * optabs.c (gen_atomic_test_and_set): Remove default.
1538 (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
1540 2012-01-26 Jakub Jelinek <jakub@redhat.com>
1542 PR rtl-optimization/51978
1543 * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
1544 (combine_reaching_defs): Likewise.
1545 (struct re_info): Remove.
1546 (add_removable_extension): Remove x and data arguments,
1547 add insn, insn_list and def_map. Use the arguments directly
1548 instead of using struct re_info.
1549 (find_removable_extensions): Don't call add_removable_extension
1550 through note_stores, instead just call it with single_set
1552 (find_and_remove_re): Pass curr_cand->expr instead of
1553 PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
1555 2012-01-26 Michael Matz <matz@suse.de>
1557 PR tree-optimization/46590
1558 * cfgexpand.c: Revert last change (r183305).
1559 * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
1561 * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
1562 checking for emptiness.
1564 2012-01-26 Jakub Jelinek <jakub@redhat.com>
1567 * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
1568 non-addressable non-BLKmode base correctly.
1570 2012-01-26 Michael Matz <matz@suse.de>
1572 PR tree-optimization/48794
1573 * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
1574 regions referenced from RESX/EH_DISPATCH.
1576 2012-01-26 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1578 * config/s390/s390.h: Make BRANCH_COST an option.
1579 * config/s390/s390.opt: New option -mbranch-cost.
1581 2012-01-26 Richard Henderson <rth@redhat.com>
1583 Revert 2012-01-24 change:
1584 * trans-mem.c (requires_barrier): Do not instrument thread local
1585 variables and emit save/restore for them.
1587 2012-01-25 Jakub Jelinek <jakub@redhat.com>
1590 * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
1593 2012-01-25 Richard Sandiford <rdsandiford@googlemail.com>
1595 * config/mips/mips.c (mips_small_data_pattern_1): Don't process
1598 2012-01-25 Georg-Johann Lay <avr@gjlay.de>
1601 Rename __pgm to __flash.
1602 Rename __pgm1 to __flash1.
1603 Rename __pgm2 to __flash2.
1604 Rename __pgm3 to __flash3.
1605 Rename __pgm4 to __flash4.
1606 Rename __pgm5 to __flash5.
1607 Rename __pgmx to __memx.
1608 * doc/extend.texi (AVR Named Address Spaces)
1609 Rename address space names as indicated above.
1610 * config/avr/avr.c (avr_addrspace): Ditto.
1612 * config/avr/avr-protos.h
1613 (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
1614 (avr_mem_pgm_p): Rename to avr_mem_flash_p.
1615 * config/avr/predicates.md: Ditto.
1616 * config/avr/avr.c Ditto, and
1617 (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
1618 (avr_decl_pgm_p): Rename to avr_decl_flash_p.
1620 * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
1621 (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
1622 (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
1623 (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
1624 (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
1625 (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
1626 (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
1627 * config/avr/avr.c: Ditto.
1628 * config/avr/avr.md: Ditto.
1630 2012-01-25 Jason Merrill <jason@redhat.com>
1633 * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
1635 2012-01-25 Jakub Jelinek <jakub@redhat.com>
1637 PR tree-optimization/51987
1638 * tree-data-ref.c (get_references_in_stmt): Handle references in
1639 non-volatile GIMPLE_ASM.
1641 2012-01-25 Richard Guenther <rguenther@suse.de>
1643 * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
1644 bases are dereferenced.
1646 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
1648 PR rtl-optimization/48374
1649 * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
1651 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
1653 * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
1654 compute_data_dependences_for_loop returns false.
1655 * tree-parloops.c (loop_parallel_p): Likewise.
1657 2012-01-25 Richard Guenther <rguenther@suse.de>
1659 * tree.h (get_pointer_alignment_1): Declare.
1660 * builtins.c (get_pointer_alignment_1): New function.
1661 (get_pointer_alignment): Use it.
1663 2012-01-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1665 PR rtl-optimization/48308
1666 * combine.c (enum undo_kind): Add UNDO_LINKS.
1667 (struct undo): Add member l to other_contents and where.
1668 (do_SUBST_LINK): New.
1670 (try_combine): Handle LOG_LINKS for the dummy i1 case.
1671 (undo_all): Handle UNDO_LINKS.
1673 2012-01-25 Richard Henderson <rth@redhat.com>
1675 * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
1678 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1680 * optabs.c (gen_atomic_test_and_set): Use each argument.
1682 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1684 * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
1685 (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
1686 (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
1687 (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
1688 (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
1689 TARGET_PAIRED_SINGLE_FLOAT.
1691 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1693 * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
1694 (in_struct, return_val): Remove MEM documentation.
1695 * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
1696 (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
1697 (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
1699 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
1700 * cfgexpand.c (add_alias_set_conflicts): Likewise.
1701 * expr.c (store_field): Likewise.
1702 * function.c (assign_stack_temp_for_type): Likewise.
1703 * ifcvt.c (noce_try_cmove_arith): Likewise.
1704 * reload1.c (reload): Likewise.
1705 * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
1706 (alpha_set_memflags): Likewise.
1707 * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
1709 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1711 * rtl.h (true_dependence, canon_true_dependence): Remove varies
1713 * alias.c (fixed_scalar_and_varying_struct_p): Delete.
1714 (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
1715 (true_dependence_1, true_dependence, canon_true_dependence): Remove
1717 * cselib.c (cselib_rtx_varies_p): Delete.
1718 (cselib_invalidate_mem): Update call to canon_true_dependence.
1719 * dse.c (record_store, check_mem_read_rtx): Likewise.
1720 (scan_reads_nospill): Likewise.
1721 * cse.c (check_dependence): Likewise.
1722 (cse_rtx_varies_p): Delete.
1723 * expr.c (safe_from_p): Update call to true_dependence.
1724 * ira.c (validate_equiv_mem_from_store): Likewise.
1725 (memref_referenced_p): Likewise.
1726 * postreload-gcse.c (find_mem_conflicts): Likewise.
1727 * sched-deps.c (sched_analyze_2): Likewise.
1728 * store-motion.c (load_kills_store): Likewise.
1729 * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
1730 * gcse.c (mems_conflict_for_gcse_p): Likewise.
1731 (compute_transp): Update call to canon_true_dependence.
1733 2012-01-25 Richard Henderson <rth@redhat.com>
1735 * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
1736 (maybe_emit_atomic_test_and_set): New.
1737 (expand_sync_lock_test_and_set): Use it.
1738 (expand_atomic_test_and_set): Likewise.
1739 * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
1740 the implementation; clarify implementation defined details.
1741 * doc/md.texi (atomic_test_and_set): Document.
1743 2012-01-25 Richard Henderson <rth@redhat.com>
1745 * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
1747 2012-01-25 Richard Henderson <rth@redhat.com>
1750 * config/arm/arm.c (neon_split_vcombine): Emit deleted note
1751 to effect no-op split.
1753 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
1756 * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
1757 (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
1758 (BT_FN_VOID_PTR_INT_SIZE): New.
1759 (BT_FN_UINT_UINT_VAR): Remove.
1760 (BT_FN_UINT32_UINT32_VAR): New.
1761 (BT_FN_DOUBLE_VPTR): Remove.
1762 (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
1764 * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
1765 (_ITM_changeTransactionMode): Same.
1766 (_ITM_memmoveRtWt): Change return type to void.
1767 (_ITM_memcpyRtWt): Same.
1768 (_ITM_memsetW): Same.
1769 (_ITM_RaRD): Change types to double.
1774 * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
1776 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
1777 Patrick Marlier <patrick.marlier@gmail.com>
1779 * trans-mem.c (requires_barrier): Do not instrument thread local
1780 variables and emit save/restore for them.
1782 2012-01-24 Jason Merrill <jason@redhat.com>
1785 * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
1786 output static aliases.
1788 2012-01-24 Jakub Jelinek <jakub@redhat.com>
1791 * common.opt (-pie, -shared, pie, shared): Change from Common to
1793 * gcc.c (display_help): Display help for -pie and -shared.
1795 2012-01-24 Georg-Johann Lay <avr@gjlay.de>
1798 * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
1799 Remove note on size/offset limitation.
1800 (AVR Variable Attributes): Add example how to read data located
1801 with progmem. Refer to named address spaces.
1802 * doc/invoke.texi (AVR Options): Fix typo.
1804 2012-01-24 Richard Guenther <rguenther@suse.de>
1806 Forward-port to trunk
1807 2010-09-21 Jakub Jelinek <jakub@redhat.com>
1810 * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
1811 op0 isn't sufficiently aligned and there is movmisalignM
1812 insn for mode, use it to load op0 into a temporary register.
1814 2012-01-24 Jakub Jelinek <jakub@redhat.com>
1817 * target.def (const_not_ok_for_debug_p): New hook.
1818 * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
1820 * doc/tm.texi: Regenerated.
1821 * dwarf2out.c (const_ok_for_output_1): If
1822 targetm.const_not_ok_for_debug_p returns true, fail.
1823 * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
1825 (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
1827 2012-01-23 Kai Tietz <ktietz@redhat.com>
1830 * config/i386/predicates.md (symbolic_operand): Allow
1831 UNSPEC_PCREL as PIC expression for lea.
1832 * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
1833 * config/i386/i386.c (ix86_delegitimize_address): Handle
1834 UNSPEC_PCREL for none-MEM, too.
1836 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
1838 * trans-mem.c (ipa_tm_create_version): Set externally_visible.
1839 (ipa_tm_create_version_alias): Same.
1841 2012-01-23 Uros Bizjak <ubizjak@gmail.com>
1844 * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
1845 * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
1847 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
1848 Patrick Marlier <patrick.marlier@gmail.com>
1849 Iain Sandoe <developer@sandoe-acoustics.co.uk>
1852 * lto-wrapper.c (run_gcc): Pass the LTO section name to
1853 simple_object_start_read.
1855 2012-01-23 Richard Guenther <rguenther@suse.de>
1858 PR tree-optimization/51895
1859 * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
1860 parameter decomposition into BLKmode components.
1862 2012-01-23 Eric Botcazou <ebotcazou@adacore.com>
1864 * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
1865 fake variables for restrict-qualified pointers whose pointed-to type
1866 contains a placeholder.
1868 2012-01-23 Richard Guenther <rguenther@suse.de>
1870 PR tree-optimization/51949
1871 * ipa-split.c (execute_split_functions): Do not split malloc functions.
1873 2012-01-23 Jakub Jelinek <jakub@redhat.com>
1875 PR rtl-optimization/51933
1876 * ree.c (transform_ifelse): Return true right away if dstreg is
1877 already wider or equal to cand->mode.
1878 (enum ext_modified_kind, struct ext_modified, ext_state): New types.
1879 (make_defs_and_copies_lists): Remove defs_list and copies_list
1880 arguments, add state argument, just truncate state->work_list
1881 instead of always allocating and freeing the vector. Assert that
1882 get_defs succeeds instead of returning 2. Changed return type to bool.
1883 (merge_def_and_ext): Add state argument. If SET_DEST doesn't
1884 have ext_src_mode, see if it has been modified already with the
1885 right kind of extension and has been extended before from the
1886 ext_src_mode. If SET_DEST is already wider or equal to cand->mode,
1887 just return true. Remember the original mode in state->modified array.
1888 (combine_reaching_defs): Add state argument. Don't allocate and
1889 free here def_list, copied_list and vec vectors, instead just
1890 VEC_truncate the vectors in *state. Don't handle outcome == 2 here.
1891 (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
1892 Add state variable, clear vectors in it, initialize state.modified
1893 if needed. Free all the vectors at the end and state.modified too.
1894 Don't skip a candidate if the extension expression has been modified.
1896 2012-01-22 Douglas B Rupp <rupp@gnat.com>
1899 * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
1900 configurations. Change triplet to i[34567]86-*-interix[3-9]*.
1901 (extra_options) interix.opt -> i386/interix.opt"
1902 (extra_objs):Add winnt-stubs.o
1903 * configure.ac: Add interix to target_os .comm on PE check.
1904 * configure: Regenerate.
1905 * config/interix3.h: Delete and move bits to..
1906 * config/interix.h: Delete and move bits to..
1907 * config/i386/i386-interix3.h: Delete and move bits to..
1908 * config/i386/i386-interix.h: ..here.
1909 (TARGET_CPU_DEFAULT): Remove redefinition.
1910 (TARGET_ASM_CONSTRUCTOR): Undefine.
1911 (SUBTARGET_SWITCHES): Define for ms-bitfields.
1912 (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
1913 (PTRDIFF_TYPE): Define.
1914 (LONG_DOUBLE_TYPE_SIZE): Define.
1915 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
1916 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
1917 (TARGET_SECTION_TYPE_FLAGS): Define.
1918 (ASM_DECLARE_FUNCTION_NAME): Define.
1919 (ASM_OUTPUT_EXTERNAL): Define.
1920 (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
1921 (ASM_OUTPUT_ALIGNED_BSS): Define.
1922 (PCC_BITFIELD_TYPE_MATTERS): Define.
1923 (USE_CONST_SECTION): Define.
1924 (SUBTARGET_ENCODE_SECTION_INFO): Remove.
1925 (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
1926 (SUPPORTS_ONE_ONLY): Remove.
1927 (I386_PE_STRIP_ENCODING): Define.
1928 * config/interix.opt: Delete and move bits to..
1929 * config/i386/interix.opt: ..here. New.
1930 (mpe-aligned-commons): Add.
1931 * config/i386/t-interix: Add copyright header.
1932 (winnt-stubs.o): Add rule.
1934 2012-01-22 Jason Merrill <jason@redhat.com>
1937 * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
1938 for extra name aliases.
1940 2012-01-22 Eric Botcazou <ebotcazou@adacore.com>
1942 PR rtl-optimization/51924
1943 * ree.c (combine_set_extension): Improve debugging message.
1944 (combine_reaching_defs): Likewise.
1945 (get_defs): Rename confusingly named variable.
1946 (find_and_remove_re): Skip a candidate if the extension expression has
1949 2012-01-21 Robert Millan <rmh@gnu.org>
1950 Gerald Pfeifer <gerald@pfeifer.com>
1952 * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
1953 (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
1955 2012-01-20 Jakub Jelinek <jakub@redhat.com>
1957 PR tree-optimization/51914
1958 * tree-vect-stmts.c (vectorizable_conversion): For
1959 cvt_type && modifier == WIDEN, put temporary with cvt_type
1960 at the beginning of vec_dsts and set vec_dest to temporary
1963 2012-01-20 Eric Botcazou <ebotcazou@adacore.com>
1965 * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
1967 2011-01-20 Tijl Coosemans <tijl@coosemans.org>
1969 * config/i386/i386.c: Fix checks for !TARGET_MACHO.
1970 * config/rs6000/rs6000.c: Likewise.
1972 2012-01-20 Jakub Jelinek <jakub@redhat.com>
1975 * config/arm/arm.c (arm_count_output_move_double_insns): Call
1976 output_move_double on a copy of operands array.
1978 2012-01-20 Cary Coutant <ccoutant@google.com>
1979 Dodji Seketeli <dodji@redhat.com>
1982 * dwarf2out.c (copy_declaration_context): Return ref to parent
1983 of declaration DIE, if necessary.
1984 (remove_child_or_replace_with_skeleton): Add new parameter; update
1985 caller. Place skeleton DIE under parent DIE of original declaration.
1986 Move call to copy_declaration_context to here ...
1987 (break_out_comdat_types): ... from here.
1989 2012-01-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1991 PR rtl-optimization/51856
1992 * reload.c (find_reloads_subreg_address): Set the address_reloaded
1995 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1998 * config/arm/arm.c (arm_print_operand): Correct output of alignment
1999 hints for neon loads and stores.
2001 2012-01-20 Georg-Johann Lay <avr@gjlay.de>
2005 * doc/extend.texi (Named Address Spaces): Split into subsections.
2006 (AVR Named Address Spaces): New subsection.
2007 (M32C Named Address Spaces): New subsection.
2008 (RL78 Named Address Spaces): New subsection.
2009 (SPU Named Address Spaces): New subsection.
2010 (Variable Attributes): New anchor "AVR Variable Attributes".
2011 (AVR Variable Attributes): Rewrite and avoid wording
2012 "address space" in this context.
2013 * doc/invoke.texi (AVR Options): Rewrite and add documentation
2014 for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
2015 (AVR Built-in Macros): New subsubsection therein.
2016 * doc/md.texi (AVR constraints): Remove "C04", "R".
2018 2012-01-20 Richard Guenther <rguenther@suse.de>
2020 PR tree-optimization/51903
2021 * tree-ssa-pre.c (eliminate): Properly purging of EH edges
2022 when removing stmts.
2024 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
2027 * config/arm/arm.c (arm_load_pic_register): Use
2028 gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
2029 , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
2030 (arm_pic_static_addr): Likewise.
2031 (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
2032 (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
2033 * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
2034 (pic_load_addr_unified): New.
2036 2012-01-20 Andrey Belevantsev <abel@ispras.ru>
2039 * function.c (instantiate_virtual_regs_in_insn): Use
2040 delete_insn_and_edges when removing a wrong asm insn.
2042 2012-01-19 Vladimir Makarov <vmakarov@redhat.com>
2044 PR rtl-optimization/40761
2045 * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
2046 Add new member loop_num.
2047 (IRA_LOOP_NODE_BY_INDEX): Modify the check.
2048 (ira_build): Remove the parameter.
2050 * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
2051 (ira.c): Do not build CFG loops for one region allocation. Remove
2052 argument from ira_build call.
2054 * ira-build.c (init_loop_tree_node): New function.
2055 (create_loop_tree_nodes): Use it. Separate the case when CFG
2056 loops are not built.
2057 (more_one_region_p): Check current_loops.
2058 (finish_loop_tree_nodes): Separate the case when CFG loops are not
2060 (add_loop_to_tree): Process loop equal to NULL too.
2061 (form_loop_tree): Separate the case when CFG loops are not built.
2062 Use explicitly number for the root.
2063 (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
2065 (ira_print_expanded_allocno, loop_compare_func): Use loop_num
2066 instead of loop->num.
2067 (mark_loops_for_removal): Ditto. Use loop_num instead of loop->num.
2068 (mark_all_loops_for_removal): Ditto.
2069 (remove_unnecessary_regions): Separate the case when CFG loops
2071 (ira_build): Remove the parameter. Use explicit number of regions
2072 when CFG loops are not built.
2074 * ira-color.c (print_loop_title): Separate the case for the root node.
2075 Use loop_num instead of loop->num.
2076 (move_spill_restore): Use loop_num instead of loop->num.
2078 * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
2079 (change_loop): Ditto.
2080 (change_loop): Use loop_num instead of loop->num.
2082 * ira-lives.c (process_bb_node_lives): Ditto.
2084 * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
2086 * ira-conflicts.c (print_allocno_conflicts): Ditto.
2088 2012-01-19 Jakub Jelinek <jakub@redhat.com>
2091 * tree-mudflap.c (mf_artificial): New function.
2092 (execute_mudflap_function_ops, execute_mudflap_function_decls,
2093 mx_register_decls, mudflap_enqueue_decl): Use it.
2096 * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
2097 numbers in the insn pattern.
2099 2012-01-19 Michael Matz <matz@suse.de>
2101 PR tree-optimization/46590
2102 * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
2103 use it in remembering which conflicts we already created.
2104 (add_scope_conflicts): Adjust call to above, (de)allocate helper
2107 2012-01-19 Aldy Hernandez <aldyh@redhat.com>
2110 * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
2111 (merge_and_complain): Same.
2113 2012-01-19 Jakub Jelinek <jakub@redhat.com>
2116 * config/initfini-array.h: Guard content of the header
2117 with #ifdef HAVE_INITFINI_ARRAY.
2118 * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
2119 Add initfini-array.h to tm_file here.
2120 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
2121 * config.gcc: Don't add initfini-array.h to tm_file here.
2122 * configure: Regenerated.
2124 2012-01-19 Andrey Belevantsev <abel@ispras.ru>
2126 PR rtl-optimization/51505
2127 * df-problems.c (df_kill_notes): New parameter live. Update comment.
2128 Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
2129 (df_note_bb_compute): Update the call to df_kill_notes.
2131 2012-01-18 Aldy Hernandez <aldyh@redhat.com>
2133 * trans-mem.c (requires_barrier): Remove call to is_global_var.
2135 2012-01-18 Richard Guenther <rguenther@suse.de>
2137 * tree-ssa.c (useless_type_conversion_p): Remove special-casing
2138 of conversions to void *.
2140 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2141 Richard Sandiford <rdsandiford@googlemail.com>
2145 * optabs.h (simplify_expand_binop): Declare.
2146 * optabs.c (simplify_expand_binop): Make global.
2147 * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
2148 endian targets if the source cannot be exactly covered by word
2151 2012-01-17 Jakub Jelinek <jakub@redhat.com>
2154 * hard-reg-set.h (struct hard_reg_set_container): New type.
2155 * target.h (struct hard_reg_set_container): Forward declare.
2156 * target.def (set_up_by_prologue): New target hook.
2157 * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
2158 * doc/tm.texi: Regenerated.
2159 * function.c (thread_prologue_and_epilogue_insns): Change
2160 set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
2161 Call targetm.set_up_by_prologue on it.
2162 * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
2163 (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
2165 2012-01-17 Nick Clifton <nickc@redhat.com>
2167 * config/rx/rx.c (rx_can_use_simple_return): New function.
2168 * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
2169 * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
2171 2012-01-17 Richard Guenther <rguenther@suse.de>
2174 * expr.c (expand_assignment): Take address-space information
2175 from the address operand of MEM_REF and TARGET_MEM_REF.
2176 (expand_expr_real_1): Likewise.
2178 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2180 * ira.c (do_reload): Make sure ira_dump_file is re-set if no
2181 reload dump is requested.
2183 2012-01-17 Aldy Hernandez <aldyh@redhat.com>
2186 * trans-mem.c (requires_barrier): Call may_be_aliased.
2188 2012-01-17 Jakub Jelinek <jakub@redhat.com>
2190 PR tree-optimization/51877
2191 * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
2192 call arguments and fndecls compare equal, instead return false if they
2193 don't. Return true only if lhs1 and lhs2 are either both NULL, or
2194 both SSA_NAMEs that are valueized the same, or they satisfy
2197 2012-01-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2199 * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
2201 * configure: Regenerate.
2203 2012-01-16 Jan Hubicka <jh@suse.cz>
2207 * convert.c (convert_to_integer): Use fold_convert for
2208 converting an INTEGER_CST to integer type.
2210 2012-01-16 Jason Merrill <jason@redhat.com>
2213 * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
2215 2012-01-16 Jakub Jelinek <jakub@redhat.com>
2218 * config/s390/s390.c (s390_chunkify_start): Don't skip
2219 call insns followed by NOTE_INSN_CALL_ARG_LOCATION note. Skip
2220 NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
2221 If insn is followed by NOTE_INSN_VAR_LOCATION or
2222 NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
2223 Don't use location of note insns.
2225 PR tree-optimization/51865
2226 * tree-inline.c (tree_function_versioning): Call remap_decl
2227 on DECL_RESULT whenever it has VOID_TYPE_P type.
2229 2012-01-15 Richard Sandiford <rdsandiford@googlemail.com>
2231 * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
2232 for calls to locally-binding MIPS16 functions if only the return
2233 type uses float regs.
2235 2012-01-15 Chung-Lin Tang <cltang@codesourcery.com>
2236 Richard Sandiford <rdsandiford@googlemail.com>
2238 * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
2239 (SYMBOL_32_HIGH): Likewise.
2240 (mips_output_tls_reloc_directive): Declare.
2241 * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
2242 (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
2243 * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
2244 (mips_lo_relocs, mips_hi_relocs): Make extern.
2245 (mips16_stub_function): Move up file.
2246 (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
2247 (mips_symbolic_constant_p): Likewise. Remove SYMBOL_32_HIGH too.
2248 (mips_symbol_insns_1): Likewise. Check mips_use_pcrel_pool_p.
2249 (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
2250 SYMBOL_FORCE_TO_MEM. Only check mips_tls_symbol_ref_1 if it's false.
2251 (mips_get_tp): Add MIPS16 support.
2252 (mips_legitimize_tls_address): Remove MIPS16 sorry().
2253 Generalize DTPREL and TPREL handling.
2254 (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
2255 Add MIPS16 TLS support.
2256 (mips_output_tls_reloc_directive): New function.
2257 (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
2258 * config/mips/predicates.md (symbolic_operand_with_high)
2259 (tls_reloc_operand): New predicates.
2260 (force_to_mem_operand): Use mips_use_pcrel_pool_p.
2261 * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
2262 (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
2263 (*unshifted_high): New instruction. Use it for MIPS16 high splitter.
2264 (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
2265 (*tls_get_tp_mips16_call_<mode>): Likewise.
2267 2012-01-15 Uros Bizjak <ubizjak@gmail.com>
2269 PR rtl-optimization/51821
2270 * recog.c (peep2_find_free_register): Determine clobbered registers
2273 2012-01-14 Denis Chertykov <chertykov@gmail.com>
2276 * config/avr/avr-protos.h: Revert change of 2012-01-09.
2277 * config/avr/avr.c: Likewise.
2278 * config/avr/avr.h: Likewise.
2280 2012-01-13 Ian Lance Taylor <iant@google.com>
2283 * tree.h (TYPE_QUALS): Add cast to int.
2284 (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
2286 2012-01-13 Ian Lance Taylor <iant@google.com>
2288 * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
2289 comparing param_index to VEC_length result.
2291 2012-01-13 Steven Bosscher <steven@gcc.gnu.org>
2293 * c-decl.c: Do not include tree-mudflap.h
2294 * tree-optimize.c: Likewise.
2295 * Makefile.in: Update dependencies.
2297 2012-01-13 Richard Guenther <rguenther@suse.de>
2300 * gimplify.c (gimplify_modify_expr_rhs): For calls with a
2301 variable-sized result always use RSO.
2303 2012-01-12 DJ Delorie <dj@redhat.com>
2305 * cfgexpand.c (convert_debug_memory_address): Allow any valid
2306 pointer type, not just the default pointer type.
2308 2012-01-09 Richard Henderson <rth@redhat.com>
2309 Denis Chertykov <chertykov@gmail.com>
2312 * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
2313 * config/avr/avr.c (avr_can_eliminate): Simplify.
2314 (avr_initial_elimination_offset): Likewise.
2315 (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
2316 (expand_epilogue): Likewise.
2317 (avr_legitimize_address): Gut.
2318 (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
2319 (avr_hard_regno_nregs): New.
2320 (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
2321 (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
2322 * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
2323 add soft frame pointer.
2324 (CALL_USED_REGISTERS): Likewise.
2325 (REG_CLASS_CONTENTS): Likewise.
2326 (REGISTER_NAMES): Likewise.
2327 (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
2328 (HARD_FRAME_POINTER_REGNUM): New.
2329 (FRAME_POINTER_REGNUM): Use soft frame pointer.
2330 (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
2331 remove the HARD_FRAME_POINTER self-elimination.
2333 2012-01-12 Georg-Johann Lay <avr@gjlay.de>
2336 * config/avr/avr.c (avr_encode_section_info): Test for absence of
2337 DECL_EXTERNAL when checking for initializers of progmem variables.
2339 2012-01-12 Ira Rosen <irar@il.ibm.com>
2341 PR tree-optimization/51799
2342 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
2343 that the last operation is a type demotion.
2345 2012-01-12 Uros Bizjak <ubizjak@gmail.com>
2347 * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
2348 (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
2350 2012-01-11 Jakub Jelinek <jakub@redhat.com>
2353 * combine.c (distribute_notes): If i3 is a noreturn call,
2354 allow old_size to be equal to args_size and make sure the
2355 noreturn call gets REG_ARGS_SIZE note.
2356 * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
2357 on noreturn calls even when the delta is 0.
2359 2012-01-11 Nathan Sidwell <nathan@acm.org>
2361 * gcov.c (STRING_SIZE): Remove.
2362 (generate_results): Erase annotations for source files with no
2363 coverage information.
2365 (output_lines): Use it.
2367 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
2369 * gimple.h (gimplify_body): Remove first argument.
2370 * gimplify.c (copy_if_shared): Add DATA argument. Do not create the
2371 pointer set here, instead just pass DATA to walk_tree.
2372 (unshare_body): Remove BODY_P argument and adjust. Create the pointer
2373 set here and invoke copy_if_shared on the size trees of DECL_RESULT.
2374 (unvisit_body): Likewise, but with unmark_visited.
2375 (gimplify_body): Remove BODY_P argument and adjust.
2376 (gimplify_function_tree): Adjust call to gimplify_body.
2377 * omp-low.c (finalize_task_copyfn): Likewise.
2379 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
2381 * tree.h (build_function_decl_skip_args): Add boolean parameter.
2382 (build_function_type_skip_args): Delete.
2383 * tree.c (build_function_type_skip_args): Make static and add
2384 SKIP_RETURN parameter. Fix thinko in the handling of variants.
2385 (build_function_decl_skip_args): Add SKIP_RETURN parameter and
2386 pass it to build_function_type_skip_args.
2387 * cgraph.h (cgraph_function_versioning): Add boolean parameter.
2388 (tree_function_versioning): Likewise.
2389 * cgraph.c (cgraph_create_virtual_clone): Adjust call to
2390 build_function_decl_skip_args.
2391 * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
2392 and pass it to build_function_decl_skip_args/tree_function_versioning.
2393 (cgraph_materialize_clone): Adjust call to tree_function_versioning.
2394 * ipa-inline-transform.c (save_inline_function_body): Likewise.
2395 * trans-mem.c (ipa_tm_create_version): Likewise.
2396 * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
2397 * tree-inline.c (declare_return_variable): Remove always-true test.
2398 (tree_function_versioning): Add SKIP_RETURN parameter. If the function
2399 returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
2400 * ipa-split.c (split_function): Skip the return value for the split
2401 part if it doesn't return.
2403 2012-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
2405 PR tree-optimization/49642
2406 * ipa-split.c (forbidden_dominators): New variable.
2407 (check_forbidden_calls): New function.
2408 (dominated_by_forbidden): Likewise.
2409 (consider_split): Check for forbidden dominators.
2410 (execute_split_functions): Initialize and free forbidden
2411 dominators info; call check_forbidden_calls.
2413 2012-01-11 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
2415 * config/arm/arm.md (mov_notscc): Use MVN for false condition.
2417 2012-01-11 Nick Clifton <nickc@redhat.com>
2419 * config/rx/rx.md (return): Define pattern.
2421 2012-01-11 Richard Guenther <rguenther@suse.de>
2423 * doc/extend.texi (malloc attribute): Adjust according to
2426 2012-01-10 Aldy Hernandez <aldyh@redhat.com>
2427 Patrick Marlier <patrick.marlier@gmail.com>
2430 * trans-mem.c (get_cg_data): Traverse aliases if requested.
2431 (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
2432 (ipa_tm_note_irrevocable): Same.
2433 (ipa_tm_scan_irr_block): Same.
2434 (ipa_tm_decrement_clone_counts): Same.
2435 (ipa_tm_scan_irr_function): Same.
2436 (ipa_tm_create_version_alias): Same.
2437 (ipa_tm_create_version): Same.
2438 (ipa_tm_transform_calls_redirect): Same.
2439 (ipa_tm_transform_calls): Same.
2440 (ipa_tm_transform_transaction): Same.
2441 (ipa_tm_execute): Same.
2443 2012-01-10 Richard Guenther <rguenther@suse.de>
2446 * opts.c (common_handle_option): Handle -Werror.
2448 2012-01-10 Andreas Schwab <schwab@linux-m68k.org>
2450 * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
2453 2012-01-10 Jason Merrill <jason@redhat.com>
2455 * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
2458 2012-01-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2460 * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
2461 supports R_386_TLS_GD_PLT reloc.
2462 (gcc_cv_as_ix86_tlsldmplt): Check if linker
2463 supports R_386_TLS_LDM_PLT reloc.
2464 * configure: Regenerate.
2465 * config.in: Regenerate.
2467 2012-01-10 Georg-Johann Lay <avr@gjlay.de>
2470 Extend __pgmx semantics to linearize memory.
2471 * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
2472 determine if code comes inline or from libgcc.
2473 (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
2474 (movmem_qi, movmem_qi): Set constraint #2 to "n".
2475 (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
2476 (movmemx_qi, movmemx_hi): New insns.
2477 (xload_<mode>_libgcc): Rewrite to new insn condition.
2478 (xload_<mode>): Remove insns.
2479 * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
2480 cases that don't satisfy avr_xload_libgcc_p().
2481 (avr_addr_space_convert): Allow converting in any direction.
2482 (avr_addr_space_subset_p): Return always true.
2483 (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
2484 (avr_emit_movmemhi): Ditto.
2485 (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
2486 (avr_out_movmem): Ditto.
2487 (AVR_SYMBOL_FLAG_PROGMEM): New macro.
2488 (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
2489 (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
2490 (avr_encode_section_info): Encode 'progmem' in symbol flags.
2491 (output_reload_in_const): Don't zero-extend any 24-bit symbols.
2493 2012-01-10 Richard Guenther <rguenther@suse.de>
2495 PR tree-optimization/50913
2496 * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
2497 Require data-refs to be representable by Graphite with respect
2500 2012-01-10 Uros Bizjak <ubizjak@gmail.com>
2502 * config/i386/constraints.md ("L"): Return true for 0xffffffff.
2503 * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
2505 2012-01-10 Tom de Vries <tom@codesourcery.com>
2507 PR rtl-optimization/51271
2508 * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
2509 handling annulled branch.
2511 2012-01-10 Richard Henderson <rth@redhat.com>
2513 * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
2514 TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
2515 struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
2516 arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
2517 arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
2518 arm_expand_vec_perm_const): New.
2519 * config/arm/arm-protos.h: Update.
2520 * config/arm/neon.md (UNSPEC_VCONCAT): New.
2521 (*neon_vswp<VDQX>): New.
2522 (neon_vcombine<VDX>): Use neon_split_vcombine.
2523 (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
2524 * config/arm/vec-common.md (vec_perm_const<VALL>): New.
2525 (vec_perm<VE>): New.
2527 2012-01-10 Richard Henderson <rth@redhat.com>
2529 * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
2530 use it if reload_completed.
2531 (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
2532 arm_output_asm_insn, arm_process_output_memory_barrier,
2533 arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
2534 arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
2535 arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
2536 arm_process_output_sync_insn, arm_output_sync_insn,
2537 arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
2538 (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
2539 (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
2540 (emit_unlikely_jump): New.
2541 (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
2542 (arm_split_atomic_op): New.
2543 * config/arm/arm-protos.h: Update.
2544 * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
2545 (struct arm_sync_generator): Remove.
2546 * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
2547 VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
2548 (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
2549 (VUNSPEC_LL, VUNSPEC_SC): New.
2550 (sync_result, sync_memory, sync_required_value, sync_new_value,
2551 sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
2552 (attr length): Don't use arm_sync_loop_insns.
2553 (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
2554 (movsfcc, movdfcc): Likewise.
2555 * config/arm/constraints.md (Ua): New.
2556 * config/arm/prediates.md (mem_noofs_operand): New.
2557 (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
2558 (sync_clobber, sync_t2_reqd): Remove.
2559 (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
2560 (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
2561 (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
2562 (arm_sync_compare_and_swap<SIDI>): Remove.
2563 (arm_sync_compare_and_swap<NARROW>): Remove.
2564 (arm_sync_lock_test_and_set<SIDI>): Remove.
2565 (arm_sync_lock_test_and_set<NARROW>): Remove.
2566 (arm_sync_new_<syncop><SIDI>): Remove.
2567 (arm_sync_new_<syncop><NARROW>): Remove.
2568 (arm_sync_new_nand<SIDI>): Remove.
2569 (arm_sync_new_nand<NARROW>): Remove.
2570 (arm_sync_old_<syncop><SIDI>): Remove.
2571 (arm_sync_old_<syncop><NARROW>): Remove.
2572 (arm_sync_old_nand<SIDI>): Remove.
2573 (arm_sync_old_nand<NARROW>): Remove.
2574 (*memory_barrier): Merge arm_output_memory_barrier.
2575 (atomic_compare_and_swap<QHSD>): New.
2576 (atomic_compare_and_swap<NARROW>_1): New.
2577 (atomic_compare_and_swap<SIDI>_1): New.
2578 (atomic_exchange<QHSD>): New.
2579 (cas_cmp_operand, cas_cmp_str): New.
2580 (atomic_op_operand, atomic_op_str): New.
2581 (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
2582 (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
2583 (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
2584 (arm_load_exclusive<NARROW>): New.
2585 (arm_load_exclusivesi, arm_load_exclusivedi): New.
2586 (arm_store_exclusive<QHSD>): New.
2588 2012-01-09 Michael Meissner <meissner@linux.vnet.ibm.com>
2590 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
2591 reload patterns if -mvsx-scalar-memory.
2593 * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
2594 generated, even -mno-vsx-scalar-double was used.
2595 (vsx_xscvdpsp_scalar): Likewise.
2596 (vsx_xscvspdp_scalar2): Likewise.
2598 2012-01-09 Tom de Vries <tom@codesourcery.com>
2599 Andrew Pinski <apinski@cavium.com>
2602 * reorg.c (fill_slots_from_thread): Don't speculate
2603 frame-related insns.
2605 2012-01-09 Richard Sandiford <rdsandiford@googlemail.com>
2607 * sched-int.h (bb_note): Move to...
2608 * basic-block.h: ...here.
2609 * haifa-sched.c (bb_note): Move to...
2610 * cfgrtl.c: ...here.
2611 * function.c (next_block_for_reg): New function.
2612 (move_insn_for_shrink_wrap): Likewise.
2613 (prepare_shrink_wrap): Rewrite to use the above.
2615 2012-01-09 Aldy Hernandez <aldyh@redhat.com>
2617 * gimple.c (is_gimple_non_addressable): Remove.
2618 * gimple.h: Remove is_gimple_non_addressable.
2619 * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
2620 is_gimple_non_addressable.
2621 * trans-mem.c (expand_assign_tm): Same.
2623 2012-01-09 Richard Guenther <rguenther@suse.de>
2625 PR tree-optimization/51775
2626 * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
2627 * tree-ssa-pre.c (eliminate): Properly fixup EH info.
2629 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
2631 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
2633 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
2635 2012-01-09 Richard Guenther <rguenther@suse.de>
2637 * tree-streamer-out.c (write_ts_optimization): Fix spelling.
2639 2012-01-08 Jan Hubicka <jh@suse.cz>
2641 PR tree-optimize/51680
2642 * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
2643 on when known_vals needs to be computed; cleanup.
2645 2012-01-08 Jan Hubicka <jh@suse.cz>
2647 PR tree-optimize/51694
2648 * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
2650 2012-01-08 Jonathan Wakely <jwakely.gcc@gmail.com>
2652 * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
2653 for -std=c++98 and -std=c++11 too.
2655 2012-01-08 Chung-Lin Tang <cltang@codesourcery.com>
2657 * cfgloop.c (cancel_loop): Add free() of bbs array.
2659 2012-01-07 Jan Hubicka <jh@suse.cz>
2661 PR tree-optimization/51600
2662 * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
2663 that benefits small functions.
2665 2012-01-07 Jan Hubicka <jh@suse.cz>
2667 * ipa-inline.c (want_inline_small_function_p): Fix formating.
2669 2012-01-07 Jan Hubicka <jh@suse.cz>
2671 PR tree-optimization/51680
2672 * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
2673 whose inlining reduce unit size.
2675 2012-01-07 Alexandre Oliva <aoliva@redhat.com>
2678 * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
2679 Add canonical node to containing_mem chain after the non-canonical
2680 one, even if there weren't any locs to propagate.
2681 (remove_useless_values): Keep only canonical values.
2682 (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
2683 (cselib_invalidate_mem): Likewise. Ensure v is canonical, and
2684 canonicalize mem_chain elements that are not discarded.
2686 2012-01-06 Jakub Jelinek <jakub@redhat.com>
2689 * cgraphunit.c (cgraph_optimize): Call output_weakrefs
2690 before emitting functions.
2692 PR gcov-profile/50127
2693 * bb-reorder.c (partition_hot_cold_basic_blocks): Call
2694 clear_aux_for_blocks.
2696 2012-01-06 Alexandre Oliva <aoliva@redhat.com>
2699 * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
2701 2012-01-06 Arnaud Charlet <charlet@adacore.com>
2703 * c-decl.c (ext_block): Moved up.
2704 (collect_all_refs, for_each_global_decl): Take ext_block into account.
2706 2012-01-06 Han Shen <shenhan@google.com>
2708 Translate built-in include paths for sysroot.
2709 * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
2710 (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
2712 * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
2713 GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
2715 * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
2716 control whether sysroot should be prepended to gxx include dir.
2718 * configure: Regenerate.
2720 2012-01-06 Torvald Riegel <triegel@redhat.com>
2722 PR rtl-optimization/51771
2723 * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
2724 * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
2726 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
2728 PR tree-optimization/51315
2729 * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
2730 (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
2732 2012-01-05 Uros Bizjak <ubizjak@gmail.com>
2735 * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
2736 for shrp pattern. Correctly handle and fixup shift variable.
2737 Return false when shift > nelt for BYTES_BIG_ENDIAN target.
2739 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2742 * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
2743 note when !ACCUMULATE_OUTGOING_ARGS.
2745 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
2747 * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
2749 (extract_range_from_unary_expr_1): Avoid useless computations.
2751 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2753 PR rtl-optimization/51767
2754 * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
2755 of jump_block and add an extra edge for degenerated asm gotos.
2758 * stmt.c (check_unique_operand_names): Don't ICE during error
2759 reporting if i is from labels chain.
2762 * profile.c (branch_prob): Split bbs that have exit edge
2763 and need a fake entry edge too.
2765 2012-01-05 Jan Hubicka <jh@suse.cz>
2768 * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
2771 2012-01-05 Richard Guenther <rguenther@suse.de>
2774 * tree-streamer-out.c (write_ts_optimization): New function.
2775 (streamer_write_tree_body): Call it.
2776 * tree-streamer-in.c (lto_input_ts_optimization): New function.
2777 (streamer_read_tree_body): Call it.
2778 * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
2780 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2783 * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
2784 * gimplify.c (gimplify_cleanup_point_expr): Save and set
2785 in_cleanup_point_expr before gimplify_stmt call and restore it
2787 (gimplify_target_expr): Don't add {CLOBBER} cleanup if
2788 in_cleanup_point_expr is false.
2790 2012-01-05 Richard Guenther <rguenther@suse.de>
2793 * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
2795 * toplev.c (process_options): Reject combining mudflap and LTO.
2796 * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
2798 2012-01-05 Richard Guenther <rguenther@suse.de>
2800 PR tree-optimization/51760
2801 * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
2803 (bit_value_unop): Handle UNDEFINED operands.
2804 (bit_value_binop): Likewise.
2806 2012-01-05 Georg-Johann Lay <avr@gjlay.de>
2808 * config/avr/avr.c (avr_replace_prefix): Remove.
2809 (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
2810 (avr_asm_function_rodata_section): Ditto.
2811 (avr_asm_select_section): Ditto.
2813 2012-01-05 Marcus Shawcroft <marcus.shawcroft@arm.com>
2815 * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
2818 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2821 * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
2822 calls that have any non-fake successor edges.
2825 * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
2827 2012-01-04 Eric Botcazou <ebotcazou@adacore.com>
2829 PR tree-optimization/51624
2830 * tree-sra.c (build_ref_for_model): When replicating a chain of
2831 COMPONENT_REFs, stop as soon as the offset would become negative.
2833 2012-01-04 Jakub Jelinek <jakub@redhat.com>
2836 * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
2837 in .debug_loc on the floor.
2839 2012-01-04 Andrew Pinski <apinski@cavium.com>
2841 * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
2843 2012-01-04 Andrew Pinski <apinski@cavium.com>
2844 Adam Nemet <anemet@caviumnetworks.com>
2846 * config/mips/mips.md (size): Add SI and DI.
2847 (SIZE): New mode attribute.
2848 (U): New code attribute.
2849 * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
2850 (mips_lbux_<mode>): Delete.
2851 (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
2852 (mips_lhx): Use gen_mips_lhx_extsi.
2853 (mips_lhx_<mode>): Delete.
2855 (mips_l<size>x): New expand.
2856 (mips_lwx_<mode>): Delete.
2857 (mips_l<GPR:size>x_<P:mode>): New pattern.
2858 (*mips_lw<u>x_<P:mode>_ext): Likewise.
2859 * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
2860 * config/mips/mips.c (mips_lx_address_p): New function.
2861 (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
2862 (dsp64): New availability predicate.
2863 (mips_builtins): Add an entry for __builtin_mips_ldx.
2864 * config/mips/mips.h (ISA_HAS_LBX): New define.
2865 (ISA_HAS_LBUX): Likewise.
2866 (ISA_HAS_LHX): Likewise.
2867 (ISA_HAS_LHUX): Likewise.
2868 (ISA_HAS_LWX): Likewise.
2869 (ISA_HAS_LWUX): Likewise.
2870 (ISA_HAS_LDX): Likewise.
2871 * doc/extend.texi (__builtin_mips_ldx): Document.
2873 2012-01-04 Tristan Gingold <gingold@adacore.com>
2875 * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
2876 when long pointers are used.
2877 * config.build (*-*-*vms*): Handle all OpenVMS targets.
2878 (alpha64-dec-*vms*, alpha*-dec-*vms*)
2879 (ia64-hp-*vms*): Remove.
2880 * config/vms/xm-vms64.h: Delete.
2882 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
2885 * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
2887 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
2889 * opts.c (finish_options): Remove duplicate sorry.
2891 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
2894 * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
2897 2012-01-04 Richard Guenther <rguenther@suse.de>
2900 * tree.c (size_low_cst): New function.
2901 * tree.h (size_low_cst): Declare.
2902 * fold-const.c (fold_comparison): Use it to extract the low
2903 part of the POINTER_PLUS_EXPR offset.
2905 2012-01-04 Georg-Johann Lay <avr@gjlay.de>
2907 Fix clearing ZERO_REG
2908 * config/avr/avr.md (cc): Add alternative "ldi".
2909 (movqi_insn): Use it in cc attribute.
2910 * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
2911 (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
2912 (output_reload_insisf): Use ZERO_REG to pre-clear register.
2914 2012-01-04 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2916 * configure: Regenerate.
2918 2012-01-04 Richard Guenther <rguenther@suse.de>
2920 PR tree-optimization/49651
2921 * tree-ssa-structalias.c (type_can_have_subvars): New function.
2922 (var_can_have_subvars): Use it.
2923 (get_constraint_for_1): Only consider subfields if there can be any.
2925 2012-01-03 Jakub Jelinek <jakub@redhat.com>
2928 * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
2929 to its new canonical_cselib_val and the cselib_val was in
2930 first_containing_mem chain, but the canonical_cselib_val was not,
2931 add the latter into the chain.
2932 (cselib_invalidate_mem): Compare canonical_cselib_val of
2933 addr_list chain elt with v.
2936 * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
2937 dwarf2out_undef): Allocate e.info using ggc_strdup instead
2939 (output_macinfo_op): Don't ggc_strdup fd->filename.
2940 (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
2941 then ggc_strdup it. Don't free inc->info or cur->info.
2942 (output_macinfo): Don't free ref->info or file->info.
2944 2012-01-03 Ira Rosen <irar@il.ibm.com>
2946 PR tree-optimization/51269
2947 * tree-vect-loop-manip.c (set_prologue_iterations): Make
2948 first_niters a pointer.
2949 (slpeel_tree_peel_loop_to_edge): Likewise.
2950 (vect_do_peeling_for_loop_bound): Update call to
2951 slpeel_tree_peel_loop_to_edge.
2952 (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
2953 here. Remove it from the parameters list.
2954 (vect_do_peeling_for_alignment): Update calls and compute
2957 2012-01-03 Richard Guenther <rguenther@suse.de>
2959 PR tree-optimization/51070
2960 * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
2961 Properly handle calls.
2963 2012-01-03 Richard Guenther <rguenther@suse.de>
2965 PR tree-optimization/51692
2966 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
2967 the LHS of allocation stmts.
2969 2012-01-03 Olivier Hainque <hainque@adacore.com>
2971 * system.h: Prior to #define, #undef fopen and freopen unconditionally.
2973 2012-01-03 Olivier Hainque <hainque@adacore.com>
2975 * collect2.c (main): In AIX specific computations for vector
2976 insertions, use CONST_CAST2 to cast from char ** to const char **.
2978 2012-01-03 Richard Guenther <rguenther@suse.de>
2981 * dwarf2out.c (dwarf2out_finish): Always create a DIE for
2982 the context of a limbo DIE when it does not already exist.
2984 2012-01-03 Jakub Jelinek <jakub@redhat.com>
2986 PR tree-optimization/51719
2987 * value-prof.c (gimple_ic): When indirect call isn't noreturn,
2988 but direct call is, clear direct call's lhs and don't add fallthrough
2989 edge from dcall_bb to join_bb and PHIs.
2991 2012-01-03 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2993 * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
2994 the instructions emitted by the pattern.
2995 ("*TDC_insn_<mode>"): Add comment.
2997 2012-01-03 Richard Guenther <rguenther@suse.de>
3000 * fold-const.c (fold_comparison): Properly canonicalize
3001 tree offset and HOST_WIDE_INT bit position.
3003 2012-01-02 Uros Bizjak <ubizjak@gmail.com>
3005 * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
3006 operands for extzv pattern.
3008 2012-01-02 Jakub Jelinek <jakub@redhat.com>
3011 * cselib.c (add_mem_for_addr): Call canonical_cselib_val
3014 2012-01-02 Sandra Loosemore <sandra@codesourcery.com>
3016 * doc/invoke.texi (-flto and related options): Copy-edit.
3018 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
3020 * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
3022 2012-01-02 Jakub Jelinek <jakub@redhat.com>
3024 * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
3027 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
3029 * expr.h (move_by_pieces_ninsns): Declare.
3030 * expr.c (move_by_pieces_ninsns): Make external.
3031 * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
3032 (mips_store_by_pieces_p): Likewise.
3033 * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
3034 (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
3035 * config/mips/mips.c (mips_move_by_pieces_p): New function.
3036 (mips_store_by_pieces_p): Likewise.
3038 2012-01-02 Jakub Jelinek <jakub@redhat.com>
3040 * passes.c (register_one_dump_file): Free full_name.
3042 * reload1.c (reload): Don't allocate reg_max_ref_width here.
3043 (calculate_elim_costs_all_insns): Free offsets_at and
3044 offsets_known_at at the end and clear the pointers.
3046 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
3048 * config/avr/avr.opt (-mbranch-cost): Fix double definition of
3049 this option introduced in r180739.
3051 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
3054 * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
3055 (tmake_file target=avr): Add avr/t-multilib.
3057 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
3058 to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
3059 * config/avr/genmultilib.awk: New file.
3060 * config/avr/t-multilib: New auto-generated file.
3061 * config/avr/multilib.h: New auto-generated file.
3062 * config/avr/t-avr (AVR_MCUS): New variable.
3063 (genopt.sh): Use it.
3064 (s-mlib): Depend on t-multilib.
3065 (t-multilib, multilib.h): New dependencies.
3066 (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
3067 (MULTILIB_OPTIONS): Remove.
3068 (MULTILIB_MATCHES): Remove.
3069 (MULTILIB_DIRNAMES): Remove.
3070 (MULTILIB_EXCEPTIONS): Remove:
3071 * config/avr/genopt.sh: Don't use hard coded file name;
3072 pass AVR_MCUS from t-avr instead.
3074 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
3076 * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
3078 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
3080 Implement light-weight DImode support.
3081 * config/avr/avr-dimode.md: New file.
3082 * config/avr/avr.md: Include it.
3083 (adjust_len): Add plus64, compare64.
3084 (HIDI): Remove code iterator.
3085 (code_stdname): New code attribute.
3086 (rotx, rotsmode): Remove DI.
3087 (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
3089 * config/avr/avr-protos.h (avr_have_dimode): New.
3090 (avr_out_plus64, avr_out_compare64): New.
3091 * config/avr/avr.c (avr_out_compare): Handle DImode.
3092 (avr_have_dimode): New variable definition and initialization.
3093 (avr_out_compare64, avr_out_plus64): New functions.
3094 (avr_out_plus_1): Use simplify_unary_operation to negate xval.
3095 (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
3096 (avr_compare_pattern): Skip DImode comparisons.
3098 2012-01-02 Revital Eres <revital.eres@linaro.org>
3100 * ddg.c (def_has_ccmode_p): New function.
3101 (add_cross_iteration_register_deps,
3102 create_ddg_dep_from_intra_loop_link): Call it.
3104 2012-01-02 Richard Guenther <rguenther@suse.de>
3107 * invoke.texi (fassociative-math): Remove spurious paranthesis.
3109 2012-01-01 Jakub Jelinek <jakub@redhat.com>
3111 * gcc.c (process_command): Update copyright notice dates.
3112 * gcov.c (print_version): Likewise.
3113 * gcov-dump.c (print_version): Likewise.
3114 * mips-tfile.c (main): Likewise.
3115 * mips-tdump.c (main): Likewise.
3117 2012-01-01 Ira Rosen <irar@il.ibm.com>
3119 PR tree-optimization/51704
3120 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
3121 a use is inside the basic block or loop before accessing its vect info.
3123 2012-01-01 Jan Hubicka <jhjh@suse.cz>
3125 PR rtl-optimization/51069
3126 * cfgloopmanip.c (remove_path): Removing path making irreducible
3127 region unconditional makes BB part of the region.
3129 2012-01-01 Jakub Jelinek <jakub@redhat.com>
3131 PR tree-optimization/51683
3132 * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
3133 calls with side-effects.
3134 * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
3136 Copyright (C) 2012 Free Software Foundation, Inc.
3138 Copying and distribution of this file, with or without modification,
3139 are permitted in any medium without royalty provided the copyright
3140 notice and this notice are preserved.