1 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
5 * doc/extend.texi (AVR Named Address Spaces): No more try to fix
6 address spaces located outside of device flash.
8 * config/avr/avr.h (base_arch_s): Remove field n_segments.
9 (mcu_type_s): Add field n_flash.
10 * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
11 Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
12 (AVR_MCU): Add N_FLASH argument.
13 * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
14 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
15 macro __FLASH<n> if that address space makes sense for the device.
16 * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
17 outside of target flash.
18 (avr_asm_named_section): Ditto.
19 (avr_asm_select_section): Ditto.
20 (avr_addr_space_convert): Ditto.
21 (avr_emit_movmemhi): Ditto.
22 (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
23 address space is outside of device flash.
24 (avr_insert_attributes): Ditto.
25 (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
26 avr_current_arch->n_segments.
28 2012-02-27 H.J. Lu <hongjiu.lu@intel.com>
31 * config/i386/i386.md (*movabs<mode>_1): Enable only for
33 (*movabs<mode>_2): Likewise.
35 2012-02-27 Jakub Jelinek <jakub@redhat.com>
38 * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
39 s_register_operand in the test instead of REG_P. Don't call
40 gen_reg_rtx if it won't be used.
42 PR tree-optimization/52376
43 * ipa-split.c (split_function): Ignore CLOBBER stmts.
45 2012-02-27 Stuart Henderson <shenders@gcc.gnu.org>
47 * ifcvt.c (noce_get_condition): Check condition variable is not
48 small_register_classes_for_mode_p before accepting.
50 2012-02-27 Uros Bizjak <ubizjak@gmail.com>
52 * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
54 2012-02-27 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
57 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
58 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
60 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
62 2012-02-27 Oleg Endo <olegendo@gcc.gnu.org>
64 * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
66 2012-02-26 Oleg Endo <olegendo@gcc.gnu.org>
68 * config/sh/predicates.md: Remove blank lines.
69 * config/sh/sh.c: Fix typos in comments.
70 * config/sh/constraints.md: Likewise.
71 * config/sh/sh.md: Remove blank lines.
72 Fix typos in comments. Use ;; as comment characters.
74 2012-02-26 Walter Lee <walt@tilera.com>
76 * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
77 (replace_mov_pcrel_step2): Ditto.
79 2012-02-25 Alexandre Oliva <aoliva@redhat.com>
82 * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
83 (get_addr): Walk canonical value's locs. Avoid returning VALUEs
84 and locs that reference values newer than the non-canonical value
85 at hand. Return the canonical value as a worst case.
86 (memrefs_conflict_p): Walk canonical value's locs.
89 * cselib.c (preserve_only_constants): Rename to...
90 (preserve_constants_and_equivs): ... this. Split out...
91 (invariant_or_equiv_p): ... this. Preserve plus expressions
92 of other preserved expressions too.
93 (cselib_reset_table): Adjust.
94 * var-tracking.c (reverse_op): Use canonical value to build
97 2012-02-23 Kai Tietz <ktietz@redhat.com>
99 * config/i386/i386.c (ix86_delegitimize_address): Handle
100 UNSPEC_PCREL plus displacement.
102 2012-02-24 Georg-Johann Lay <avr@gjlay.de>
105 * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
106 to test for unusedness in st X addressing.
108 2012-02-24 Richard Guenther <rguenther@suse.de>
111 * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
112 (is_gimple_reg_type): Move inline ...
113 * gimple.h (is_gimple_reg_type): ... here.
115 2012-02-24 Richard Guenther <rguenther@suse.de>
118 * passes.c (execute_function_todo): When verifying SSA form
119 verify gimple form first.
120 * tree-ssa.c (verify_ssa): Do not verify gimple form here.
122 2012-02-24 Richard Guenther <rguenther@suse.de>
125 * fold-const.c (fold_addr_of_array_ref_difference): New function.
126 (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
128 2012-02-13 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
130 * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
132 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
134 * tree-phinodes.c (make_phi_node): Mark static.
135 * tree-flow.h (make_phi_node): Remove extern decl.
136 * doc/gimple.texi (make_phi_node): Remove documentation.
138 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
140 * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
141 * tree-ssa-sccvn.c (print_scc): Ditto.
143 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
145 * doc/passes.texi (Full redundancy elimination): Fix typo.
147 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
149 * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
151 2012-02-23 Eric Botcazou <ebotcazou@adacore.com>
154 * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
156 2012-02-23 Uros Bizjak <ubizjak@gmail.com>
159 * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
161 2012-02-23 Georg-Johann Lay <avr@gjlay.de>
163 * config/avr/avr.md (code_stdname): Add ior, xor.
164 (xior): New code iterator.
165 (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
166 (*<code_stdname><mode>qi.byte1-3): Ditto.
168 2012-02-23 Jakub Jelinek <jakub@redhat.com>
170 PR tree-optimization/52019
171 * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
174 2012-02-23 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
176 * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
177 HAVE_INITFINI_ARRAY to work around namespace pollution in
178 certain versions of newlib system headers.
179 * config.in: Regenerate.
180 * configure: Regenerate.
181 * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
182 instead of HAVE_INITFINI_ARRAY.
184 2012-02-22 Uros Bizjak <ubizjak@gmail.com>
187 * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
188 is not offsettable memory reference.
190 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
193 * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
194 setting avr_need_clear_bss_p for __gnu_lto* symbols.
196 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
198 * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
199 * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
201 2012-02-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
203 * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
204 library on Solaris 8 even without TLS support.
205 * configure: Regenerate.
207 2012-02-22 Richard Guenther <rguenther@suse.de>
210 * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
211 for GIMPLE_DEBUG stmts.
213 2012-02-22 Martin Jambor <mjambor@suse.cz>
216 * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
217 according to the base object.
219 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
221 PR rtl-optimization/50063
222 * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
223 and 2 (8-bit SP) in operand 2.
224 * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
225 setup to use movhi_sp_r instead of vanilla move to write SP.
226 Adjust REG_CFA notes to superseed unspec.
227 (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
229 As function body might contain CLI or SEI: Use irq_state 0 (IRQ
230 known to be off) only with TARGET_NO_INTERRUPTS. Never use
231 irq_state 1 (IRQ known to be on) here.
233 2012-02-21 Bernd Schmidt <bernds@codesourcery.com>
235 * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
237 * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
238 assign_hard_reg): Likewise.
240 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
242 * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
244 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
247 (*dec-and-branchhi!=-1.d.clobber): New text peephole.
248 (*dec-and-branchhi!=-1.l.clobber): New text peephole.
250 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
252 * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
253 prototype from here to...
254 * config/avr/avr.h: ...here.
256 2012-02-21 Richard Earnshaw <rearnsha@arm.com>
259 * thumb2.md (thumb2_shiftsi3_short): Split register and
260 immediate shifts. For register shifts tie operands 0 and 1.
261 (peephole2 for above): Check that register-controlled shifts
262 have suitably tied operands.
264 2012-02-21 Quentin Neill <quentin.neill@amd.com>
267 * config/i386/bdver1.md (bdver1_call, bdver1_push,
268 bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
269 bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
270 bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
271 bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
272 bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
273 bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
274 bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
275 bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
276 bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
277 bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
278 bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
279 bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
280 bdver1_ssevector_avx256_unaligned_load,
281 bdver1_ssevector_sse128_unaligned_load,
282 bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
283 bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
284 bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
285 bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
286 bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
287 bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
288 bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
289 bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
290 bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
291 bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
292 bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
293 bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
294 bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
295 bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
296 bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
297 bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
298 bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
299 bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
300 bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
301 bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
302 bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
303 bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
304 bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
305 bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
306 bdver1_ssediv_double_load, bdver1_ssediv_double,
307 bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
308 Add "bdver2" attribute.
310 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
312 * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
313 default if possible and not specified otherwise.
315 2012-02-21 Richard Guenther <rguenther@suse.de>
318 * gimplify.c (create_tmp_from_val): Use the main variant type
319 for the type of the temporary we create.
321 2012-02-21 Richard Guenther <rguenther@suse.de>
323 PR tree-optimization/52324
324 * gimplify.c (gimplify_expr): When re-gimplifying expressions
325 do not gimplify a MEM_REF address operand if it is already
328 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
330 * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
331 TARGET_HARD_FLOAT with TARGET_HARD_DFP.
333 2012-02-21 Richard Guenther <rguenther@suse.de>
335 * tree-vect-stmts.c (vectorizable_load): Use pre-computed
338 2012-02-21 Jakub Jelinek <jakub@redhat.com>
340 PR tree-optimization/52318
341 * gimple-fold.c (gimplify_and_update_call_from_tree): Add
342 vdef also to non-pure/const call stmts in the sequence.
344 2012-02-20 David S. Miller <davem@davemloft.net>
346 * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
347 don't use the "rd %pc" instruction on v9 for PIC register loads.
349 2012-02-20 Aldy Hernandez <aldyh@redhat.com>
352 * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
353 in a transaction safe function.
355 2012-02-20 Kai Tietz <ktietz@redhat.com>
358 * stor-layout.c (place_field): Handle desired_align for
361 2012-02-20 Richard Guenther <rguenther@suse.de>
363 PR tree-optimization/52298
364 * tree-vect-stmts.c (vectorizable_store): Properly use
365 STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
367 (vectorizable_load): Likewise.
368 * tree-vect-data-refs.c (vect_analyze_data_ref_access):
369 Access DR_STEP after ensuring it is not NULL.
371 2012-02-20 Jakub Jelinek <jakub@redhat.com>
373 PR tree-optimization/52286
374 * fold-const.c (fold_binary_loc): For (X & C1) | C2
375 optimization use double_int_to_tree instead of build_int_cst_wide,
376 rewrite to use double_int vars.
378 2012-02-20 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
381 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
383 Remove -e 0 from $gcc_cv_ld invocation.
384 Only use __GLIBC_PREREQ if defined.
385 Enable on Solaris since Solaris 8 patch.
386 (gcc_SUN_LD_VERSION): New macro.
387 * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
388 gcc_SUN_LD_VERSION for version number format.
389 * configure: Regenerate.
390 * varasm.c (get_elf_initfini_array_priority_section): Set
391 SECTION_NOTYPE for non-default priority.
392 Use get_section instead of get_unnamed_section to emit
393 .init_array/.fini_array with default priority.
395 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
397 * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
398 (mips_get_tp): Set it. Record that __mips16_rdhwr binds locally.
399 (mips_start_unique_function, mips_output_mips16_rdhwr)
400 (mips_code_end): New functions.
401 (TARGET_ASM_CODE_END): Define.
403 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
405 * config/mips/mips.c (mips16_build_call_stub): Add CFI information
406 to stubs with non-sibling calls.
408 2012-02-18 Sandra Loosemore <sandra@codesourcery.com>
410 * doc/invoke.texi (-fira-* options): Copy-edit.
411 (ira-* parameters): Copy-edit.
413 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
415 * doc/invoke.texi: Minor copy-edits to bring into conformance with
416 GCC coding conventions.
418 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
420 * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
421 when used as adjectives.
423 2012-02-16 Sandra Loosemore <sandra@codesourcery.com>
425 * doc/invoke.texi: Clean up "that"/"which" confusion.
427 2012-02-17 Steven Bosscher <steven@gcc.gnu.org>
429 * system.h: Poison SMALL_REGISTER_CLASSES
430 * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
431 * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
433 2012-02-16 Jakub Jelinek <jakub@redhat.com>
435 PR tree-optimization/52285
436 * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
437 when deciding if a call is a tail call or tail recursion.
439 2012-02-16 Kai Tietz <ktietz@redhat.com>
441 * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
442 interger-constant displacement for UNSPEC_PCREL.
444 2012-02-16 Jakub Jelinek <jakub@redhat.com>
446 PR rtl-optimization/52208
447 * ira-costs.c (scan_one_insn): Don't decrease mem_cost
448 for MEMs with REG_EQUIV, if the MEM isn't general_operand.
450 PR tree-optimization/52255
451 * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
452 loop->header has virtual PHI, but exit_e->dest doesn't, add
453 virtual PHI to exit_e->dest and adjust all uses after the loop.
456 * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
457 children with clone_tree_hash, not after it.
459 2012-02-16 Iain Sandoe <iains@gcc.gnu.org>
461 * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
462 extended identifiers.
464 2012-02-16 Jakub Jelinek <jakub@redhat.com>
467 * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
468 a same_body_alias, also test whether e->callee isn't a former
469 or current clone of the decl this is a same body alias of.
472 * cgraphunit.c (verify_cgraph_node): Fix a typo.
474 2012-02-15 Sandra Loosemore <sandra@codesourcery.com>
476 * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
478 2012-02-15 Michael Meissner <meissner@linux.vnet.ibm.com>
481 * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
482 force_reg instead of copy_to_reg for better optimization. Force
483 non-register or memory operands into a register.
485 2012-02-15 Andrew MacLeod <amacleod@redhat.com>
487 * extend.texi: Reserve upper bits of memory model for future use.
489 2012-01-15 Georg-Johann Lay <avr@gjlay.de>
490 Anatoly Sokolov <aesok@post.ru>
491 Eric Weddington <eric.weddington@atmel.com>
494 * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
495 avrxmega4, avrxmega5, avrxmega6, avrxmega7.
496 Rewrite initializers for .macro.
497 * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
498 avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
499 atxmega32d4, atxmega32x1.
500 avrxmega4: atxmega64a3, atxmega64d3.
501 avrxmega5: atxmega64a1, atxmega64a1u.
502 avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
503 atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
504 avrxmega7: atxmega128a1, atxmega128a1u.
505 * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
506 ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
507 (struct base_arch_s): Rename reserved to xmega_p.
508 Rename reserved2 to have_rampd.
509 (AVR_XMEGA): New define.
510 (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
511 (AVR_HAVE_RAMPZ): Change definition to fit xmega.
512 * config/avr/predicates.md (io_address_operand): Take into
514 (low_io_address_operand): Ditto.
515 (high_io_address_operand): Ditto.
516 * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
517 (enabled, movhi_sp_r): Use them.
518 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
519 cpp_define_formatted to built-in define __AVR_ARCH__.
520 (__AVR_XMEGA__): New built-in define.
521 (__AVR_HAVE_RAMPD__): New built-in define.
522 (__AVR_HAVE_RAMPX__): New built-in define.
523 (__AVR_HAVE_RAMPY__): New built-in define.
524 (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
526 * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
527 (avr_option_override): Initialize them.
528 (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
529 (avr_init_expanders): Initialize them. No more block several calls.
530 (emit_push_sfr): New static function.
531 (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
533 (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
534 (avr_print_operand): Print addreeses as symbols for
535 RAMPX, RAMPY, RAMPD, CCP.
536 (output_movhi): Handle AVR_XMEGA when writing to SP.
537 (avr_out_movhi_mr_r_xmega): New static function.
538 (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
539 (avr_file_start): Print symbol defines for __RAMPX__, __RAMPY__,
540 __RAMPD__, __CCP__ as needed.
542 * config/avr/multilib.h: Regenerate.
543 * config/avr/t-multilib: Regenerate.
544 * config/avr/avr-tables.opt: Regenerate.
546 2012-02-15 Tobias Grosser <grosser@fim.uni-passau.de>
548 PR tree-optimization/50561
549 * graphite-flattening.c (lst_project_loop): Do not
550 remove old scattering dimensions after flattening.
551 (lst_do_flatten): Likewise.
553 2012-02-15 Georg-Johann Lay <avr@gjlay.de>
555 * doc/extend.texi (AVR Built-in Functions): Remove doc for
556 __builtin_avr_map8, __builtin_avr_map16.
557 Document __builtin_avr_insert_bits.
559 * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
560 (insert_bits): New insn.
561 (adjust_len.map_bits): Rename to insert_bits.
562 (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
563 * avr-protos.h (avr_out_map_bits): Remove.
564 (avr_out_insert_bits, avr_has_nibble_0xf): New.
565 * config/avr/constraints.md (Cxf,C0f): New.
566 * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
567 defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
568 New built-in define __BUILTIN_AVR_INSERT_BITS.
569 * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
570 (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
571 (avr_move_bits): Rewrite.
572 (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
574 (avr_map_op_t): New typedef.
575 (avr_map_op): New static variable.
576 (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
577 (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
578 (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
579 (bdesc_3arg, avr_expand_triop_builtin): New.
580 (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
581 (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
582 (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
583 (avr_map_equal_p, avr_map_sig_p): Remove.
584 (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
585 (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
586 (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
587 (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
588 (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
589 (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
591 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
593 * config/c6x/c6x.md (reserve_cycles): New attribute.
594 * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
595 don't reserve functional units after the branch occurs.
597 2012-02-14 Aldy Hernandez <aldyh@redhat.com>
600 * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
601 functions into non-tm_pure functions.
603 2012-02-14 Eric Botcazou <ebotcazou@adacore.com>
606 * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
607 (iterative_hash_canonical_type): Likewise.
608 * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
611 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
613 * haifa-sched.c (prune_ready_list): Ensure that if there is a
614 sched-group insn, it either remains alone or the entire list is pruned.
616 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
618 * doc/install.texi (Prerequisites): Fix grammar.
619 (Configuration): Likewise.
621 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
623 * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
624 MPC as part of GCC before describing configuring with --with-gmp etc.
625 (Installing GCC: Configuration): --with-gmp etc. aren't needed if
628 2012-02-14 Jakub Jelinek <jakub@redhat.com>
631 * dwarf2out.c (clone_tree_hash): New function.
632 (copy_decls_walk): Use it instead of clone_tree.
634 2012-02-14 Richard Guenther <rguenther@suse.de>
636 PR tree-optimization/52244
637 PR tree-optimization/51528
638 * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
639 replacements for integral types.
641 2012-02-14 Walter Lee <walt@tilera.com>
643 * config.gcc: Handle tilegx and tilepro.
644 * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
646 Add HAVE_AS_TLS check for tilegx and tilepro.
647 * configure: Regenerate.
648 * doc/contrib.texi: Add Mat Hostetter and self.
649 * doc/extend.texi (TILE-Gx Built-in Functions): New node.
650 Document instruction intrinsics and network accessing intrinsics.
651 (TILEPro Built-in Functions): New node. Document instruction
652 intrinsics and network accessing intrinsics.
653 * doc/install.texi (Specific, tilegx-*-linux*): Document it.
654 (Specific, tilepro-*-linux*): Likewise.
655 * doc/invoke.texi (TILE-Gx Options): New section.
656 (TILEPro Options): New section.
657 * doc/md.texi (TILE-Gx): New section.
658 (TILEPro): New section.
659 * common/config/tilegx/tilegx-common.c: New file.
660 * common/config/tilepro/tilepro-common.c: New file.
661 * config/tilegx/constraints.md: New file.
662 * config/tilegx/linux.h: New file.
663 * config/tilegx/mul-tables.c: New file.
664 * config/tilegx/predicates.md: New file.
665 * config/tilegx/sync.md: New file.
666 * config/tilegx/t-tilegx: New file.
667 * config/tilegx/tilegx-builtins.h: New file.
668 * config/tilegx/tilegx-c.c: New file.
669 * config/tilegx/tilegx-generic.md: New file.
670 * config/tilegx/tilegx-modes.def: New file.
671 * config/tilegx/tilegx-multiply.h: New file.
672 * config/tilegx/tilegx-protos.h: New file.
673 * config/tilegx/tilegx.c: New file.
674 * config/tilegx/tilegx.h: New file.
675 * config/tilegx/tilegx.md: New file.
676 * config/tilegx/tilegx.opt: New file.
677 * config/tilepro/constraints.md: New file.
678 * config/tilepro/gen-mul-tables.cc: New file.
679 * config/tilepro/linux.h: New file.
680 * config/tilepro/mul-tables.c: New file.
681 * config/tilepro/predicates.md: New file.
682 * config/tilepro/t-tilepro: New file.
683 * config/tilepro/tilepro-builtins.h: New file.
684 * config/tilepro/tilepro-c.c: New file.
685 * config/tilepro/tilepro-generic.md: New file.
686 * config/tilepro/tilepro-modes.def: New file.
687 * config/tilepro/tilepro-multiply.h: New file.
688 * config/tilepro/tilepro-protos.h: New file.
689 * config/tilepro/tilepro.c: New file.
690 * config/tilepro/tilepro.h: New file.
691 * config/tilepro/tilepro.md: New file.
692 * config/tilepro/tilepro.opt: New file.
694 2012-02-14 Jakub Jelinek <jakub@redhat.com>
696 PR tree-optimization/52210
697 * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
698 vect_model_simple_cost with two entry vect_def_type array instead
701 2012-02-14 Richard Guenther <rguenther@suse.de>
704 * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
705 Do not stream DECL_QUALIFIER.
706 * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
707 * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
708 (find_decls_types_r): Do not walk DECL_QUALIFIER.
710 2012-02-14 Jakub Jelinek <jakub@redhat.com>
713 * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
716 2012-02-13 Jakub Jelinek <jakub@redhat.com>
719 * cselib.h (cselib_subst_to_values_from_insn): New prototype.
720 * cselib.c (cselib_subst_to_values_from_insn): New function.
721 * sched-deps.c (add_insn_mem_dependence,
722 sched_analyze_1, sched_analyze_2): Use it.
724 2012-02-13 Jan Hubicka <jh@suse.cz>
727 * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
729 2012-02-13 Eric Botcazou <ebotcazou@adacore.com>
731 * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
732 (GTM_SELF_SPECS): Define if not already defined.
733 (driver_self_specs): Add GTM_SELF_SPECS.
734 * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
735 (GTM_SELF_SPECS): Define.
736 * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
737 * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
739 2012-02-13 Jakub Jelinek <jakub@redhat.com>
741 * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
744 * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
747 * omp-low.c (expand_omp_for): If a static schedule without chunk size
748 has NULL region->cont, force fd.chunk_size to be integer_zero_node.
750 2012-02-13 Andrew MacLeod <amacleod@redhat.com>
753 * doc/extend.texi : Fix another __atomic_compare_exchange typo.
755 2012-02-13 Richard Guenther <rguenther@suse.de>
758 * passes.c (enable_disable_pass): Fix typo.
760 2012-02-13 Jakub Jelinek <jakub@redhat.com>
763 * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
764 XOR for reduce_bit_field if type is unsigned.
766 2012-02-12 Eric Botcazou <ebotcazou@adacore.com>
768 * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
769 disallow changes from SFmode to mode with different size in FP regs.
771 2012-02-12 Robert Millan <rmh@gnu.org>
772 Gerald Pfeifer <gerald@pfeifer.com>
774 * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
777 2012-02-11 Richard Sandiford <rdsandiford@googlemail.com>
779 PR rtl-optimization/52175
780 * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
781 to frame-related instructions.
783 2012-02-10 Jason Merrill <jason@redhat.com>
786 * tlink.c (demangled_hash_entry): Change mangled to a VEC.
787 (demangle_new_symbols): Fill it.
788 (scan_linker_output): Walk it.
789 (start_tweaking): Split out from scan_linker_output.
790 (maybe_tweak): Update sym->chosen.
791 * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
793 2012-02-11 Jakub Jelinek <jakub@redhat.com>
796 * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
798 2012-02-11 Uros Bizjak <ubizjak@gmail.com>
800 * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
801 having the same mode as previous compare.
803 2012-02-10 Eric Botcazou <ebotcazou@adacore.com>
805 * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
806 * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
807 (nonlocal_goto_internal): Likewise.
808 (nonlocal_goto): Emit a use and an indirect jump directly.
810 2012-02-10 Andrew MacLeod <amacleod@redhat.com>
813 * doc/extend.texi : Update comments for __atomic_compare_exchange and
814 __atomic_{is,always}_lock_free.
816 2012-02-10 Uros Bizjak <ubizjak@gmail.com>
819 * config/i386/i386.c (ix86_legitimate_address_p): Disallow
820 negative constant address for x32.
822 2012-02-10 Richard Henderson <rth@redhat.com>
824 * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
825 * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
826 for GIMPLE_TRANSACTION. Tidy if's into a switch.
828 2012-02-10 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
829 Ira Rosen <irar@il.ibm.com>
831 PR tree-optimization/50031
832 * targhooks.c (default_builtin_vectorization_cost): Handle
834 * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
835 * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
836 all types of reduction and pattern statements.
837 (vect_estimate_min_profitable_iters): Likewise.
838 * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
839 (vect_get_load_cost): Use vec_perm for permutations; add dump logic
840 for explicit realigns.
841 (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
842 * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
844 * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
845 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
846 vec_perm for VSX and handle vec_promote_demote.
848 2012-02-10 Jakub Jelinek <jakub@redhat.com>
851 * builtins.c (fold_builtin_atomic_always_lock_free,
852 expand_builtin_atomic_always_lock_free,
853 fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
854 Return and/or test boolean_true_node/boolean_false_node instead of
855 integer_one_node/integer_zero_node.
857 2012-02-10 Jan Hubicka <jh@suse.cz>
860 * predict.c (predict_paths_for_bb): Prevent looping.
861 (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
863 2012-02-10 Roman Zhuykov <zhroma@ispras.ru>
865 * config/arm/arm.c (output_move_double): In one case properly
866 count number of instructions that will be emitted.
868 2012-02-10 Richard Guenther <rguenther@suse.de>
871 * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
873 2012-02-09 Peter Bergner <bergner@vnet.ibm.com>
876 * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
878 2012-02-09 Jakub Jelinek <jakub@redhat.com>
881 * var-tracking.c (emit_note_insn_var_location): If
882 EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
883 emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
884 non-NOTE_DURING_CALL_P insn.
886 2012-02-09 Bin Cheng <bin.cheng@arm.com>
889 * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
891 2012-02-08 Magnus Granberg <zorry@gentoo.org>
894 * gcc.c (switch_matches) Support switches with separated form,
897 2012-02-08 Georg-Johann Lay <avr@gjlay.de>
899 * config/avr/avr.md (SREG_ADDR): Remove constant definition.
902 * config/avr/avr.c (avr_addr_t): New typedef.
903 (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
904 (avr_init_expanders): Initialize it.
905 (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
907 (expand_epilogue): Ditto.
908 (avr_print_operand): Ditto.
909 (avr_file_start): Ditto.
910 (avr_emit_movmemhi): Ditto.
912 2012-02-08 Richard Guenther <rguenther@suse.de>
914 PR tree-optimization/46886
915 * tree-flow.h (do_while_loop_p): Declare.
916 * tree-ssa-loop-ch.c (do_while_loop_p): Export.
917 * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
919 2012-02-08 Andrew MacLeod <amacleod@redhat.com>
921 * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
922 always succeed for integers larger than a native word.
924 2012-02-08 Richard Guenther <rguenther@suse.de>
926 PR rtl-optimization/52170
927 * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
928 properly handle integer vector modes.
930 2012-02-08 Jakub Jelinek <jakub@redhat.com>
932 PR gcov-profile/52150
933 * coverage.c: Include target.h.
934 (build_var): Call targetm.strip_name_encoding on the assembler name.
935 Change one _ into . or $ if the target allows it.
936 * Makefile.in (coverage.o): Depend on $(TARGET_H).
938 PR rtl-optimization/52139
939 * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
940 is a BARRIER after emit_insn_after_noloc, move BB_END
941 to the last non-BARRIER insn before it.
943 2012-02-07 Richard Sandiford <rdsandiford@googlemail.com>
946 * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
947 (mips_gimplify_va_arg_expr): Call it instead of
948 std_gimplify_va_arg_expr.
950 2012-02-07 Michael Meissner <meissner@linux.vnet.ibm.com>
952 * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
953 message for -mno-pointers-to-nested-function.
955 2012-02-07 Eric Botcazou <ebotcazou@adacore.com>
958 * expr.c (get_inner_reference): If there is an offset, add a negative
959 bit position to it (if any).
961 2012-02-07 Jakub Jelinek <jakub@redhat.com>
963 PR rtl-optimization/52060
964 * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
965 copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
966 before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
967 and/or i0src_copy2 when needed.
969 2012-02-07 Jakub Jelinek <jakub@redhat.com>
971 * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
972 or LTOPLUGINSONAME if have_c.
974 * config/freebsd-spec.h: Add comment about what macros can be defined
976 (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
977 * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
980 2012-02-07 Richard Guenther <rguenther@suse.de>
982 * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
983 newline in -alias dumps.
985 2012-02-07 Kai Tietz <ktietz@redhat.com>
986 Dave Korn <dave.korn.cygwin@gmail.com>
989 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
990 Take care that typinfo gets dllexport-attribute.
992 2012-02-07 Jakub Jelinek <jakub@redhat.com>
995 * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
996 if modifier < EXPAND_SUM call force_operand on the result.
998 2012-02-07 Joern Rennecke <joern.rennecke@embecosm.com>
1000 * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
1001 adding __forwarder_dst__ prefix if a forwarder_section attribute is
1003 (epiphany_function_type): Replace types for specific interrupts with
1004 EPIPHANY_FUNCTION_INTERRUPT.
1005 (EPIPHANY_INTERRUPT_P): Update.
1006 * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
1007 New static function.
1008 (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
1009 <disinterrupt>: Affects type identity.
1010 (epiphany_handle_interrupt_attribute): Handle variable number of
1012 (epiphany_compute_function_type): Update for new
1013 epiphany_function_type definition.
1014 (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
1015 handlers with a longcall forwarder.
1016 (epiphany_start_function): Handle multiple interrupt arguments and/or
1017 forwarder_section attribute.
1019 * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
1022 2012-02-07 Alan Modra <amodra@gmail.com>
1025 * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
1028 2012-02-06 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1030 PR tree-optimization/50969
1031 * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
1032 use vec_perm rather than vector_stmt.
1033 (vect_model_load_cost): Likewise.
1034 * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
1035 vec_perm to be the same as other vector statements.
1036 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
1037 cost of vec_perm for TARGET_VSX.
1039 2012-02-06 Richard Guenther <rguenther@suse.de>
1041 PR tree-optimization/52115
1042 * tree-sra.c (access_has_replacements_p): New function.
1043 (sra_modify_assign): Use it to decide whether a use is uninitialized.
1045 2012-02-06 Patrick Marlier <patrick.marlier@gmail.com>
1048 * trans-mem.c (expand_call_tm): Add an assertion.
1049 * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
1052 2012-02-06 Richard Guenther <rguenther@suse.de>
1054 PR tree-optimization/50955
1055 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
1056 raise cost of expressions that replace an address with an
1057 expression based on a different pointer.
1059 2012-02-06 Jakub Jelinek <jakub@redhat.com>
1062 * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
1063 CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
1065 2012-02-06 Jonathan Wakely <jwakely.gcc@gmail.com>
1068 * doc/invoke.texi (C++ Dialect Options): Use @option markup for
1069 -Weffc++ and specify guidelines come from second edition.
1071 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
1073 * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
1074 (sibcall_value_multiple_internal, call_split, call_internal_direct)
1075 (call_direct_split, call_value_split, call_value_internal_direct)
1076 (call_value_direct_split, call_value_multiple_split): Use jal and
1077 jal_macro attributes.
1079 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
1081 * reload1.c (reload_regs_reach_end_p): Replace with...
1082 (reload_reg_rtx_reaches_end_p): ...this function.
1083 (new_spill_reg_store): Update commentary.
1084 (emit_input_reload_insns): Don't clear new_spill_reg_store here.
1085 (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
1086 before setting new_spill_reg_store.
1087 (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
1088 Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
1089 Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
1090 for non-spill reload registers.
1092 2012-02-05 Ira Rosen <irar@il.ibm.com>
1094 PR tree-optimization/52091
1095 * tree-vectorizer.h (vect_is_simple_use): Add an argument.
1096 (vect_is_simple_use_1): Likewise.
1097 * tree-vect-loop.c (vectorizable_reduction): Update calls
1098 to vect_is_simple_use_1 and vect_is_simple_use.
1099 (vectorizable_live_operation): Likewise.
1100 * tree-vect-patterns.c (widened_name_p,
1101 vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
1102 * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
1103 vectorizable_call, vectorizable_conversion, vectorizable_assignment,
1104 vectorizable_shift,vectorizable_operation, vectorizable_store,
1105 vectorizable_load): Likewise.
1106 (vect_is_simple_cond): Add an argument, pass it to
1107 vect_is_simple_use_1.
1108 (vectorizable_condition): Update calls to vect_is_simple_cond,
1110 (vect_is_simple_use): Add an argument, the statement in which
1111 OPERAND is used. Check that if OPERAND's def stmt is a double
1112 reduction phi node, the use is a phi node too.
1113 (vect_is_simple_use_1): Add an argument, pass it to
1115 * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
1116 to vect_is_simple_use.
1118 2012-02-04 Jakub Jelinek <jakub@redhat.com>
1120 PR rtl-optimization/52095
1121 * modulo-sched.c (dump_insn_locator): New function.
1122 (loop_canon_p, sms_schedule): Use it.
1124 PR rtl-optimization/52113
1125 * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
1126 even for decomposable shift/zext insns.
1128 2012-02-03 Jakub Jelinek <jakub@redhat.com>
1129 Zdenek Dvorak <ook@ucw.cz>
1131 PR rtl-optimization/52092
1132 * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
1133 on get_iv_value result.
1135 2012-02-02 Andrew Pinski <apinski@cavium.com>
1139 * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
1141 2012-02-02 Jakub Jelinek <jakub@redhat.com>
1144 * diagnostic.c (diagnostic_finish): Remove trailing newlines.
1146 2012-02-02 Vladimir Makarov <vmakarov@redhat.com>
1148 PR rtl-optimization/49800
1149 * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
1150 (sched_finish): Call regstat_free_n_sets_and_refs.
1152 2012-02-02 Jia Liu <proljc@gmail.com>
1154 * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
1157 2012-02-02 Jan Hubicka <jh@suse.cz>
1158 Tom de Vries <tom@codesourcery.com>
1161 * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
1162 * varpool.c (varpool_analyze_pending_decls): Likewise.
1164 2012-02-02 Sumanth G <sumanth.gundapaneni@kpitcummins.com>
1165 Jayant R Sonar <jayant.sonar@kpitcummins.com>
1167 * config.gcc: Add cr16-* support.
1169 * doc/extend.texi: Document cr16 extensions.
1170 * doc/install.texi: Document cr16 install.
1171 * doc/invoke.texi: Document cr16 options.
1172 * doc/md.texi: Document cr16 constraints.
1174 * common/config/cr16/cr16-common.c: New file.
1175 * config/cr16/cr16.c: New file.
1176 * config/cr16/cr16.h: New file.
1177 * config/cr16/cr16.md: New file.
1178 * config/cr16/cr16.opt: New file.
1179 * config/cr16/cr16-protos.h: New file.
1180 * config/cr16/predicates.md: New file.
1181 * config/cr16/constraints.md: New file.
1182 * config/cr16/t-cr16: New file.
1184 2012-02-02 Jakub Jelinek <jakub@redhat.com>
1187 * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
1188 that operands[2] is either immediate, or q_regs_operand.
1190 PR tree-optimization/52073
1191 * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
1192 a pattern stmt for pattern uses, ignore uses outside of the loop.
1194 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
1196 * config/avr/avr.c: Resolve all AS1 and AS2 macros.
1197 * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
1198 (OUT_AS1, OUT_AS2): Remove.
1200 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
1202 PR rtl-optimization/51374
1203 * combine.c (can_combine_p): Don't allow volatile_refs_p insns
1204 to cross other volatile_refs_p insns.
1206 2012-02-01 Richard Guenther <rguenther@suse.de>
1208 * doc/invoke.texi (fno-inline): Clarify documentation.
1209 (finline-small-functions): Likewise.
1210 (finline-functions): Likewise.
1211 * common.opt (finline): Adjust comment and documentation.
1212 (finline-small-functions): Clarify documentation.
1213 (finline-functions): Likewise.
1214 (finline-functions-called-once): Likewise.
1216 2012-02-01 Tristan Gingold <gingold@adacore.com>
1218 * c-typeck.c (composite_type): Keep mode for pointers.
1220 2012-01-31 Richard Sandiford <rdsandiford@googlemail.com>
1222 * function.h (regno_reg_rtx): Adjust comment.
1223 * reginfo.c (init_reg_modes_target): Only use the previous mode
1224 if it fits within one register. Remove MIPS comment.
1226 2012-01-31 Jakub Jelinek <jakub@redhat.com>
1229 * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
1231 2012-01-31 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1233 * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
1234 to srak instruction.
1236 2012-01-31 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1238 * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
1240 2012-01-31 Jakub Jelinek <jakub@redhat.com>
1245 * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
1247 2012-01-31 Richard Guenther <rguenther@suse.de>
1249 PR tree-optimization/51528
1250 * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
1253 2012-01-31 Jakub Jelinek <jakub@redhat.com>
1258 * ree.c (add_removable_extension): Change def_map argument
1259 to unsigned *, store in def_map 1 + offset into *insn_list vector
1260 instead of pointers into the vector.
1261 (find_removable_extensions): Adjust caller.
1263 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
1265 * config/avr/avr.md: Resolve all AS1 and AS2 macros.
1266 Transform all "* quoted-c-code" to { c-code }.
1267 Remove redundant test for "optimize" in combine patterns.
1268 Move (include "avr-dimode.md") to end of file.
1270 2012-01-30 Bin Cheng <bin.cheng@arm.com>
1273 * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
1274 for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
1276 2012-01-30 Richard Guenther <rguenther@suse.de>
1278 PR tree-optimization/52028
1279 * tree-loop-distribution.c (ldist_gen): Properly update
1282 2012-01-30 Jakub Jelinek <jakub@redhat.com>
1285 * dwarf2out.c (dwarf2out_switch_text_section): Don't call
1286 set_cur_line_info_table if not emitting debug info.
1288 PR tree-optimization/52046
1289 * tree-vect-patterns.c (check_bool_pattern): Give up if
1290 a comparison could throw.
1293 * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
1295 2012-01-30 Richard Guenther <rguenther@suse.de>
1297 PR tree-optimization/52045
1298 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
1299 SSA form if cfgcleanup did anything.
1301 2012-01-30 Richard Guenther <rguenther@suse.de>
1303 PR tree-optimization/52045
1304 * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
1305 before computing final todo.
1307 2012-01-30 Richard Guenther <rguenther@suse.de>
1309 PR tree-optimization/51528
1310 * tree-sra.c (sra_modify_assign): Re-factor in preparation
1313 2012-01-30 Paolo Bonzini <bonzini@gnu.org>
1315 * df-problems.c (df_kill_notes): Check that the use refers
1316 to the note under examination.
1318 2012-01-30 Eric Botcazou <ebotcazou@adacore.com>
1321 * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
1322 parameter and use short-lived pseudos.
1323 (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
1324 (sparc_expand_vector_init): Const-ify local variables and adjust
1325 calls to above functions.
1327 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
1329 * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
1331 2012-01-29 Sandra Loosemore <sandra@codesourcery.com>
1333 * doc/invoke.texi: Make usage of "compile time" and
1334 "run time"/"runtime" consistent throughout the file.
1336 2012-01-29 Uros Bizjak <ubizjak@gmail.com>
1338 * config/alpha/alpha.c (alpha_option_override): Default to
1339 full IEEE compliance mode for Go language.
1341 2011-01-29 Tijl Coosemans <tijl@coosemans.org>
1343 * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
1344 (LINK_SSP_SPEC): Define.
1346 2012-01-28 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1349 * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
1352 2012-01-28 Sandra Loosemore <sandra@codesourcery.com>
1354 * doc/invoke.texi: Correct hyphenation of "floating point",
1355 "double precision", and related terminology throughout the file.
1357 2012-01-28 Jakub Jelinek <jakub@redhat.com>
1360 * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
1361 arm_general_register_operand predicate for operand 2 instead of
1364 2012-01-27 Ian Lance Taylor <iant@google.com>
1367 * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
1368 * builtins.c (expand_builtin_init_trampoline): Add onstack
1369 parameter. Change caller.
1370 (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
1371 * tree.c (build_common_builtin_nodes): Declare
1372 __builtin_init_heap_trampoline.
1374 2012-01-27 Georg-Johann Lay <avr@gjlay.de>
1376 * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
1377 tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
1378 * config/avr/avr.c: Ditto.
1379 (avr_regnames): Remove because unused.
1380 * config/avr/avr.md (*cpse.ne): New peephole.
1381 (*cpse.eq): New peephole from former cpse peepholes.
1383 2012-01-27 Michael Eager <eager@eagercon.com>
1385 * config/microblaze.c (microblaze_emit_compare): Correct
1386 test after pcmp instruction.
1388 2012-01-27 Richard Guenther <rguenther@suse.de>
1390 PR tree-optimization/52020
1391 * tree-sra.c (sra_modify_assign): Do not transform clobbers.
1393 2012-01-27 Richard Guenther <rguenther@suse.de>
1395 * ipa-pure-const.c (check_stmt): Clobbers do not make a
1396 function non-const/pure.
1398 2012-01-27 Richard Guenther <rguenther@suse.de>
1400 PR tree-optimization/50444
1401 * tree-sra.c (build_ref_for_offset): Properly adjust the
1402 MEM_REF type for unaligned accesses.
1404 2012-01-27 Richard Guenther <rguenther@suse.de>
1406 PR tree-optimization/50444
1407 * expr.c (mem_ref_refers_to_non_mem_p): New function.
1408 (expand_assignment): Use it. Properly handle misaligned
1409 bases when expanding stores to component references.
1410 (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
1413 2012-01-27 Andrey Belevantsev <abel@ispras.ru>
1416 * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
1417 * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
1418 * tree-data-ref.c (find_data_references_in_loop): Make static.
1419 (compute_all_dependences): Change return type to bool. Bail out
1420 for too many datarefs in a loop. Move the hunk resetting the data
1421 dependences vector from ...
1422 (compute_data_dependences_for_loop): ... here. Account for
1423 compute_all_dependences returning false.
1424 (compute_data_dependences_for_bb): Likewise.
1425 * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
1426 * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
1428 2012-01-27 Richard Guenther <rguenther@suse.de>
1431 * expr.c (store_field): Use the alias-set of the scratch memory
1434 2012-01-27 Tom de Vries <tom@codesourcery.com>
1436 PR tree-optimization/51990
1437 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
1439 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
1441 2012-01-27 Jakub Jelinek <jakub@redhat.com>
1444 * var-tracking.c (reverse_op): Don't add any reverse operation
1445 if V already has any constant locations.
1447 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
1449 * doc/invoke.texi: Correct usage of "command line" (noun)
1450 vs "command-line" (adjective) throughout.
1452 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
1454 * doc/invoke.texi (Language Independent Options): Move
1455 -Wcoverage-mismatch blurb from here....
1456 (Warning Options): ...to here.
1458 2012-01-27 Peter Bergner <bergner@vnet.ibm.com>
1460 * config/rs6000/rs6000.c (rs6000_option_override_internal):
1461 Set rs6000_always_hint to false for 476.
1463 2012-01-27 Matthias Klose <doko@ubuntu.com>
1465 * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
1467 * incpath.c (add_standard_paths): Likewise.
1469 2012-01-27 Richard Henderson <rth@redhat.com>
1471 * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
1472 * config/m68k/sync.md (atomic_test_and_set): Rename from
1473 sync_test_and_setqi and adjust the operands.
1474 (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
1475 and unconditionally enable.
1477 2012-01-27 Richard Henderson <rth@redhat.com>
1479 * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
1480 * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
1481 (ldstub): Rename from ldstubqi.
1482 (ldstub<I24MODE>): Remove.
1484 2012-01-27 Richard Henderson <rth@redhat.com>
1486 * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
1487 * c-cppbuiltin.c (cpp_atomic_builtins): Define
1488 __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
1489 * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
1490 * doc/tm.texi: Rebuild.
1492 2012-01-27 Richard Henderson <rth@redhat.com>
1494 * optabs.c (gen_atomic_test_and_set): Remove default.
1495 (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
1497 2012-01-26 Jakub Jelinek <jakub@redhat.com>
1499 PR rtl-optimization/51978
1500 * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
1501 (combine_reaching_defs): Likewise.
1502 (struct re_info): Remove.
1503 (add_removable_extension): Remove x and data arguments,
1504 add insn, insn_list and def_map. Use the arguments directly
1505 instead of using struct re_info.
1506 (find_removable_extensions): Don't call add_removable_extension
1507 through note_stores, instead just call it with single_set
1509 (find_and_remove_re): Pass curr_cand->expr instead of
1510 PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
1512 2012-01-26 Michael Matz <matz@suse.de>
1514 PR tree-optimization/46590
1515 * cfgexpand.c: Revert last change (r183305).
1516 * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
1518 * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
1519 checking for emptiness.
1521 2012-01-26 Jakub Jelinek <jakub@redhat.com>
1524 * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
1525 non-addressable non-BLKmode base correctly.
1527 2012-01-26 Michael Matz <matz@suse.de>
1529 PR tree-optimization/48794
1530 * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
1531 regions referenced from RESX/EH_DISPATCH.
1533 2012-01-26 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1535 * config/s390/s390.h: Make BRANCH_COST an option.
1536 * config/s390/s390.opt: New option -mbranch-cost.
1538 2012-01-26 Richard Henderson <rth@redhat.com>
1540 Revert 2012-01-24 change:
1541 * trans-mem.c (requires_barrier): Do not instrument thread local
1542 variables and emit save/restore for them.
1544 2012-01-25 Jakub Jelinek <jakub@redhat.com>
1547 * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
1550 2012-01-25 Richard Sandiford <rdsandiford@googlemail.com>
1552 * config/mips/mips.c (mips_small_data_pattern_1): Don't process
1555 2012-01-25 Georg-Johann Lay <avr@gjlay.de>
1558 Rename __pgm to __flash.
1559 Rename __pgm1 to __flash1.
1560 Rename __pgm2 to __flash2.
1561 Rename __pgm3 to __flash3.
1562 Rename __pgm4 to __flash4.
1563 Rename __pgm5 to __flash5.
1564 Rename __pgmx to __memx.
1565 * doc/extend.texi (AVR Named Address Spaces)
1566 Rename address space names as indicated above.
1567 * config/avr/avr.c (avr_addrspace): Ditto.
1569 * config/avr/avr-protos.h
1570 (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
1571 (avr_mem_pgm_p): Rename to avr_mem_flash_p.
1572 * config/avr/predicates.md: Ditto.
1573 * config/avr/avr.c Ditto, and
1574 (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
1575 (avr_decl_pgm_p): Rename to avr_decl_flash_p.
1577 * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
1578 (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
1579 (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
1580 (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
1581 (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
1582 (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
1583 (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
1584 * config/avr/avr.c: Ditto.
1585 * config/avr/avr.md: Ditto.
1587 2012-01-25 Jason Merrill <jason@redhat.com>
1590 * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
1592 2012-01-25 Jakub Jelinek <jakub@redhat.com>
1594 PR tree-optimization/51987
1595 * tree-data-ref.c (get_references_in_stmt): Handle references in
1596 non-volatile GIMPLE_ASM.
1598 2012-01-25 Richard Guenther <rguenther@suse.de>
1600 * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
1601 bases are dereferenced.
1603 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
1605 PR rtl-optimization/48374
1606 * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
1608 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
1610 * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
1611 compute_data_dependences_for_loop returns false.
1612 * tree-parloops.c (loop_parallel_p): Likewise.
1614 2012-01-25 Richard Guenther <rguenther@suse.de>
1616 * tree.h (get_pointer_alignment_1): Declare.
1617 * builtins.c (get_pointer_alignment_1): New function.
1618 (get_pointer_alignment): Use it.
1620 2012-01-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1622 PR rtl-optimization/48308
1623 * combine.c (enum undo_kind): Add UNDO_LINKS.
1624 (struct undo): Add member l to other_contents and where.
1625 (do_SUBST_LINK): New.
1627 (try_combine): Handle LOG_LINKS for the dummy i1 case.
1628 (undo_all): Handle UNDO_LINKS.
1630 2012-01-25 Richard Henderson <rth@redhat.com>
1632 * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
1635 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1637 * optabs.c (gen_atomic_test_and_set): Use each argument.
1639 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1641 * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
1642 (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
1643 (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
1644 (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
1645 (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
1646 TARGET_PAIRED_SINGLE_FLOAT.
1648 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1650 * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
1651 (in_struct, return_val): Remove MEM documentation.
1652 * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
1653 (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
1654 (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
1656 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
1657 * cfgexpand.c (add_alias_set_conflicts): Likewise.
1658 * expr.c (store_field): Likewise.
1659 * function.c (assign_stack_temp_for_type): Likewise.
1660 * ifcvt.c (noce_try_cmove_arith): Likewise.
1661 * reload1.c (reload): Likewise.
1662 * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
1663 (alpha_set_memflags): Likewise.
1664 * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
1666 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1668 * rtl.h (true_dependence, canon_true_dependence): Remove varies
1670 * alias.c (fixed_scalar_and_varying_struct_p): Delete.
1671 (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
1672 (true_dependence_1, true_dependence, canon_true_dependence): Remove
1674 * cselib.c (cselib_rtx_varies_p): Delete.
1675 (cselib_invalidate_mem): Update call to canon_true_dependence.
1676 * dse.c (record_store, check_mem_read_rtx): Likewise.
1677 (scan_reads_nospill): Likewise.
1678 * cse.c (check_dependence): Likewise.
1679 (cse_rtx_varies_p): Delete.
1680 * expr.c (safe_from_p): Update call to true_dependence.
1681 * ira.c (validate_equiv_mem_from_store): Likewise.
1682 (memref_referenced_p): Likewise.
1683 * postreload-gcse.c (find_mem_conflicts): Likewise.
1684 * sched-deps.c (sched_analyze_2): Likewise.
1685 * store-motion.c (load_kills_store): Likewise.
1686 * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
1687 * gcse.c (mems_conflict_for_gcse_p): Likewise.
1688 (compute_transp): Update call to canon_true_dependence.
1690 2012-01-25 Richard Henderson <rth@redhat.com>
1692 * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
1693 (maybe_emit_atomic_test_and_set): New.
1694 (expand_sync_lock_test_and_set): Use it.
1695 (expand_atomic_test_and_set): Likewise.
1696 * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
1697 the implementation; clarify implementation defined details.
1698 * doc/md.texi (atomic_test_and_set): Document.
1700 2012-01-25 Richard Henderson <rth@redhat.com>
1702 * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
1704 2012-01-25 Richard Henderson <rth@redhat.com>
1707 * config/arm/arm.c (neon_split_vcombine): Emit deleted note
1708 to effect no-op split.
1710 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
1713 * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
1714 (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
1715 (BT_FN_VOID_PTR_INT_SIZE): New.
1716 (BT_FN_UINT_UINT_VAR): Remove.
1717 (BT_FN_UINT32_UINT32_VAR): New.
1718 (BT_FN_DOUBLE_VPTR): Remove.
1719 (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
1721 * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
1722 (_ITM_changeTransactionMode): Same.
1723 (_ITM_memmoveRtWt): Change return type to void.
1724 (_ITM_memcpyRtWt): Same.
1725 (_ITM_memsetW): Same.
1726 (_ITM_RaRD): Change types to double.
1731 * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
1733 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
1734 Patrick Marlier <patrick.marlier@gmail.com>
1736 * trans-mem.c (requires_barrier): Do not instrument thread local
1737 variables and emit save/restore for them.
1739 2012-01-24 Jason Merrill <jason@redhat.com>
1742 * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
1743 output static aliases.
1745 2012-01-24 Jakub Jelinek <jakub@redhat.com>
1748 * common.opt (-pie, -shared, pie, shared): Change from Common to
1750 * gcc.c (display_help): Display help for -pie and -shared.
1752 2012-01-24 Georg-Johann Lay <avr@gjlay.de>
1755 * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
1756 Remove note on size/offset limitation.
1757 (AVR Variable Attributes): Add example how to read data located
1758 with progmem. Refer to named address spaces.
1759 * doc/invoke.texi (AVR Options): Fix typo.
1761 2012-01-24 Richard Guenther <rguenther@suse.de>
1763 Forward-port to trunk
1764 2010-09-21 Jakub Jelinek <jakub@redhat.com>
1767 * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
1768 op0 isn't sufficiently aligned and there is movmisalignM
1769 insn for mode, use it to load op0 into a temporary register.
1771 2012-01-24 Jakub Jelinek <jakub@redhat.com>
1774 * target.def (const_not_ok_for_debug_p): New hook.
1775 * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
1777 * doc/tm.texi: Regenerated.
1778 * dwarf2out.c (const_ok_for_output_1): If
1779 targetm.const_not_ok_for_debug_p returns true, fail.
1780 * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
1782 (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
1784 2012-01-23 Kai Tietz <ktietz@redhat.com>
1787 * config/i386/predicates.md (symbolic_operand): Allow
1788 UNSPEC_PCREL as PIC expression for lea.
1789 * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
1790 * config/i386/i386.c (ix86_delegitimize_address): Handle
1791 UNSPEC_PCREL for none-MEM, too.
1793 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
1795 * trans-mem.c (ipa_tm_create_version): Set externally_visible.
1796 (ipa_tm_create_version_alias): Same.
1798 2012-01-23 Uros Bizjak <ubizjak@gmail.com>
1801 * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
1802 * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
1804 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
1805 Patrick Marlier <patrick.marlier@gmail.com>
1806 Iain Sandoe <developer@sandoe-acoustics.co.uk>
1809 * lto-wrapper.c (run_gcc): Pass the LTO section name to
1810 simple_object_start_read.
1812 2012-01-23 Richard Guenther <rguenther@suse.de>
1815 PR tree-optimization/51895
1816 * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
1817 parameter decomposition into BLKmode components.
1819 2012-01-23 Eric Botcazou <ebotcazou@adacore.com>
1821 * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
1822 fake variables for restrict-qualified pointers whose pointed-to type
1823 contains a placeholder.
1825 2012-01-23 Richard Guenther <rguenther@suse.de>
1827 PR tree-optimization/51949
1828 * ipa-split.c (execute_split_functions): Do not split malloc functions.
1830 2012-01-23 Jakub Jelinek <jakub@redhat.com>
1832 PR rtl-optimization/51933
1833 * ree.c (transform_ifelse): Return true right away if dstreg is
1834 already wider or equal to cand->mode.
1835 (enum ext_modified_kind, struct ext_modified, ext_state): New types.
1836 (make_defs_and_copies_lists): Remove defs_list and copies_list
1837 arguments, add state argument, just truncate state->work_list
1838 instead of always allocating and freeing the vector. Assert that
1839 get_defs succeeds instead of returning 2. Changed return type to bool.
1840 (merge_def_and_ext): Add state argument. If SET_DEST doesn't
1841 have ext_src_mode, see if it has been modified already with the
1842 right kind of extension and has been extended before from the
1843 ext_src_mode. If SET_DEST is already wider or equal to cand->mode,
1844 just return true. Remember the original mode in state->modified array.
1845 (combine_reaching_defs): Add state argument. Don't allocate and
1846 free here def_list, copied_list and vec vectors, instead just
1847 VEC_truncate the vectors in *state. Don't handle outcome == 2 here.
1848 (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
1849 Add state variable, clear vectors in it, initialize state.modified
1850 if needed. Free all the vectors at the end and state.modified too.
1851 Don't skip a candidate if the extension expression has been modified.
1853 2012-01-22 Douglas B Rupp <rupp@gnat.com>
1856 * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
1857 configurations. Change triplet to i[34567]86-*-interix[3-9]*.
1858 (extra_options) interix.opt -> i386/interix.opt"
1859 (extra_objs):Add winnt-stubs.o
1860 * configure.ac: Add interix to target_os .comm on PE check.
1861 * configure: Regenerate.
1862 * config/interix3.h: Delete and move bits to..
1863 * config/interix.h: Delete and move bits to..
1864 * config/i386/i386-interix3.h: Delete and move bits to..
1865 * config/i386/i386-interix.h: ..here.
1866 (TARGET_CPU_DEFAULT): Remove redefinition.
1867 (TARGET_ASM_CONSTRUCTOR): Undefine.
1868 (SUBTARGET_SWITCHES): Define for ms-bitfields.
1869 (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
1870 (PTRDIFF_TYPE): Define.
1871 (LONG_DOUBLE_TYPE_SIZE): Define.
1872 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
1873 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
1874 (TARGET_SECTION_TYPE_FLAGS): Define.
1875 (ASM_DECLARE_FUNCTION_NAME): Define.
1876 (ASM_OUTPUT_EXTERNAL): Define.
1877 (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
1878 (ASM_OUTPUT_ALIGNED_BSS): Define.
1879 (PCC_BITFIELD_TYPE_MATTERS): Define.
1880 (USE_CONST_SECTION): Define.
1881 (SUBTARGET_ENCODE_SECTION_INFO): Remove.
1882 (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
1883 (SUPPORTS_ONE_ONLY): Remove.
1884 (I386_PE_STRIP_ENCODING): Define.
1885 * config/interix.opt: Delete and move bits to..
1886 * config/i386/interix.opt: ..here. New.
1887 (mpe-aligned-commons): Add.
1888 * config/i386/t-interix: Add copyright header.
1889 (winnt-stubs.o): Add rule.
1891 2012-01-22 Jason Merrill <jason@redhat.com>
1894 * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
1895 for extra name aliases.
1897 2012-01-22 Eric Botcazou <ebotcazou@adacore.com>
1899 PR rtl-optimization/51924
1900 * ree.c (combine_set_extension): Improve debugging message.
1901 (combine_reaching_defs): Likewise.
1902 (get_defs): Rename confusingly named variable.
1903 (find_and_remove_re): Skip a candidate if the extension expression has
1906 2012-01-21 Robert Millan <rmh@gnu.org>
1907 Gerald Pfeifer <gerald@pfeifer.com>
1909 * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
1910 (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
1912 2012-01-20 Jakub Jelinek <jakub@redhat.com>
1914 PR tree-optimization/51914
1915 * tree-vect-stmts.c (vectorizable_conversion): For
1916 cvt_type && modifier == WIDEN, put temporary with cvt_type
1917 at the beginning of vec_dsts and set vec_dest to temporary
1920 2012-01-20 Eric Botcazou <ebotcazou@adacore.com>
1922 * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
1924 2011-01-20 Tijl Coosemans <tijl@coosemans.org>
1926 * config/i386/i386.c: Fix checks for !TARGET_MACHO.
1927 * config/rs6000/rs6000.c: Likewise.
1929 2012-01-20 Jakub Jelinek <jakub@redhat.com>
1932 * config/arm/arm.c (arm_count_output_move_double_insns): Call
1933 output_move_double on a copy of operands array.
1935 2012-01-20 Cary Coutant <ccoutant@google.com>
1936 Dodji Seketeli <dodji@redhat.com>
1939 * dwarf2out.c (copy_declaration_context): Return ref to parent
1940 of declaration DIE, if necessary.
1941 (remove_child_or_replace_with_skeleton): Add new parameter; update
1942 caller. Place skeleton DIE under parent DIE of original declaration.
1943 Move call to copy_declaration_context to here ...
1944 (break_out_comdat_types): ... from here.
1946 2012-01-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1948 PR rtl-optimization/51856
1949 * reload.c (find_reloads_subreg_address): Set the address_reloaded
1952 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1955 * config/arm/arm.c (arm_print_operand): Correct output of alignment
1956 hints for neon loads and stores.
1958 2012-01-20 Georg-Johann Lay <avr@gjlay.de>
1962 * doc/extend.texi (Named Address Spaces): Split into subsections.
1963 (AVR Named Address Spaces): New subsection.
1964 (M32C Named Address Spaces): New subsection.
1965 (RL78 Named Address Spaces): New subsection.
1966 (SPU Named Address Spaces): New subsection.
1967 (Variable Attributes): New anchor "AVR Variable Attributes".
1968 (AVR Variable Attributes): Rewrite and avoid wording
1969 "address space" in this context.
1970 * doc/invoke.texi (AVR Options): Rewrite and add documentation
1971 for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
1972 (AVR Built-in Macros): New subsubsection therein.
1973 * doc/md.texi (AVR constraints): Remove "C04", "R".
1975 2012-01-20 Richard Guenther <rguenther@suse.de>
1977 PR tree-optimization/51903
1978 * tree-ssa-pre.c (eliminate): Properly purging of EH edges
1979 when removing stmts.
1981 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1984 * config/arm/arm.c (arm_load_pic_register): Use
1985 gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
1986 , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
1987 (arm_pic_static_addr): Likewise.
1988 (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
1989 (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
1990 * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
1991 (pic_load_addr_unified): New.
1993 2012-01-20 Andrey Belevantsev <abel@ispras.ru>
1996 * function.c (instantiate_virtual_regs_in_insn): Use
1997 delete_insn_and_edges when removing a wrong asm insn.
1999 2012-01-19 Vladimir Makarov <vmakarov@redhat.com>
2001 PR rtl-optimization/40761
2002 * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
2003 Add new member loop_num.
2004 (IRA_LOOP_NODE_BY_INDEX): Modify the check.
2005 (ira_build): Remove the parameter.
2007 * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
2008 (ira.c): Do not build CFG loops for one region allocation. Remove
2009 argument from ira_build call.
2011 * ira-build.c (init_loop_tree_node): New function.
2012 (create_loop_tree_nodes): Use it. Separate the case when CFG
2013 loops are not built.
2014 (more_one_region_p): Check current_loops.
2015 (finish_loop_tree_nodes): Separate the case when CFG loops are not
2017 (add_loop_to_tree): Process loop equal to NULL too.
2018 (form_loop_tree): Separate the case when CFG loops are not built.
2019 Use explicitly number for the root.
2020 (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
2022 (ira_print_expanded_allocno, loop_compare_func): Use loop_num
2023 instead of loop->num.
2024 (mark_loops_for_removal): Ditto. Use loop_num instead of loop->num.
2025 (mark_all_loops_for_removal): Ditto.
2026 (remove_unnecessary_regions): Separate the case when CFG loops
2028 (ira_build): Remove the parameter. Use explicit number of regions
2029 when CFG loops are not built.
2031 * ira-color.c (print_loop_title): Separate the case for the root node.
2032 Use loop_num instead of loop->num.
2033 (move_spill_restore): Use loop_num instead of loop->num.
2035 * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
2036 (change_loop): Ditto.
2037 (change_loop): Use loop_num instead of loop->num.
2039 * ira-lives.c (process_bb_node_lives): Ditto.
2041 * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
2043 * ira-conflicts.c (print_allocno_conflicts): Ditto.
2045 2012-01-19 Jakub Jelinek <jakub@redhat.com>
2048 * tree-mudflap.c (mf_artificial): New function.
2049 (execute_mudflap_function_ops, execute_mudflap_function_decls,
2050 mx_register_decls, mudflap_enqueue_decl): Use it.
2053 * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
2054 numbers in the insn pattern.
2056 2012-01-19 Michael Matz <matz@suse.de>
2058 PR tree-optimization/46590
2059 * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
2060 use it in remembering which conflicts we already created.
2061 (add_scope_conflicts): Adjust call to above, (de)allocate helper
2064 2012-01-19 Aldy Hernandez <aldyh@redhat.com>
2067 * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
2068 (merge_and_complain): Same.
2070 2012-01-19 Jakub Jelinek <jakub@redhat.com>
2073 * config/initfini-array.h: Guard content of the header
2074 with #ifdef HAVE_INITFINI_ARRAY.
2075 * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
2076 Add initfini-array.h to tm_file here.
2077 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
2078 * config.gcc: Don't add initfini-array.h to tm_file here.
2079 * configure: Regenerated.
2081 2012-01-19 Andrey Belevantsev <abel@ispras.ru>
2083 PR rtl-optimization/51505
2084 * df-problems.c (df_kill_notes): New parameter live. Update comment.
2085 Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
2086 (df_note_bb_compute): Update the call to df_kill_notes.
2088 2012-01-18 Aldy Hernandez <aldyh@redhat.com>
2090 * trans-mem.c (requires_barrier): Remove call to is_global_var.
2092 2012-01-18 Richard Guenther <rguenther@suse.de>
2094 * tree-ssa.c (useless_type_conversion_p): Remove special-casing
2095 of conversions to void *.
2097 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2098 Richard Sandiford <rdsandiford@googlemail.com>
2102 * optabs.h (simplify_expand_binop): Declare.
2103 * optabs.c (simplify_expand_binop): Make global.
2104 * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
2105 endian targets if the source cannot be exactly covered by word
2108 2012-01-17 Jakub Jelinek <jakub@redhat.com>
2111 * hard-reg-set.h (struct hard_reg_set_container): New type.
2112 * target.h (struct hard_reg_set_container): Forward declare.
2113 * target.def (set_up_by_prologue): New target hook.
2114 * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
2115 * doc/tm.texi: Regenerated.
2116 * function.c (thread_prologue_and_epilogue_insns): Change
2117 set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
2118 Call targetm.set_up_by_prologue on it.
2119 * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
2120 (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
2122 2012-01-17 Nick Clifton <nickc@redhat.com>
2124 * config/rx/rx.c (rx_can_use_simple_return): New function.
2125 * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
2126 * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
2128 2012-01-17 Richard Guenther <rguenther@suse.de>
2131 * expr.c (expand_assignment): Take address-space information
2132 from the address operand of MEM_REF and TARGET_MEM_REF.
2133 (expand_expr_real_1): Likewise.
2135 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2137 * ira.c (do_reload): Make sure ira_dump_file is re-set if no
2138 reload dump is requested.
2140 2012-01-17 Aldy Hernandez <aldyh@redhat.com>
2143 * trans-mem.c (requires_barrier): Call may_be_aliased.
2145 2012-01-17 Jakub Jelinek <jakub@redhat.com>
2147 PR tree-optimization/51877
2148 * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
2149 call arguments and fndecls compare equal, instead return false if they
2150 don't. Return true only if lhs1 and lhs2 are either both NULL, or
2151 both SSA_NAMEs that are valueized the same, or they satisfy
2154 2012-01-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2156 * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
2158 * configure: Regenerate.
2160 2012-01-16 Jan Hubicka <jh@suse.cz>
2164 * convert.c (convert_to_integer): Use fold_convert for
2165 converting an INTEGER_CST to integer type.
2167 2012-01-16 Jason Merrill <jason@redhat.com>
2170 * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
2172 2012-01-16 Jakub Jelinek <jakub@redhat.com>
2175 * config/s390/s390.c (s390_chunkify_start): Don't skip
2176 call insns followed by NOTE_INSN_CALL_ARG_LOCATION note. Skip
2177 NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
2178 If insn is followed by NOTE_INSN_VAR_LOCATION or
2179 NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
2180 Don't use location of note insns.
2182 PR tree-optimization/51865
2183 * tree-inline.c (tree_function_versioning): Call remap_decl
2184 on DECL_RESULT whenever it has VOID_TYPE_P type.
2186 2012-01-15 Richard Sandiford <rdsandiford@googlemail.com>
2188 * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
2189 for calls to locally-binding MIPS16 functions if only the return
2190 type uses float regs.
2192 2012-01-15 Chung-Lin Tang <cltang@codesourcery.com>
2193 Richard Sandiford <rdsandiford@googlemail.com>
2195 * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
2196 (SYMBOL_32_HIGH): Likewise.
2197 (mips_output_tls_reloc_directive): Declare.
2198 * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
2199 (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
2200 * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
2201 (mips_lo_relocs, mips_hi_relocs): Make extern.
2202 (mips16_stub_function): Move up file.
2203 (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
2204 (mips_symbolic_constant_p): Likewise. Remove SYMBOL_32_HIGH too.
2205 (mips_symbol_insns_1): Likewise. Check mips_use_pcrel_pool_p.
2206 (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
2207 SYMBOL_FORCE_TO_MEM. Only check mips_tls_symbol_ref_1 if it's false.
2208 (mips_get_tp): Add MIPS16 support.
2209 (mips_legitimize_tls_address): Remove MIPS16 sorry().
2210 Generalize DTPREL and TPREL handling.
2211 (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
2212 Add MIPS16 TLS support.
2213 (mips_output_tls_reloc_directive): New function.
2214 (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
2215 * config/mips/predicates.md (symbolic_operand_with_high)
2216 (tls_reloc_operand): New predicates.
2217 (force_to_mem_operand): Use mips_use_pcrel_pool_p.
2218 * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
2219 (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
2220 (*unshifted_high): New instruction. Use it for MIPS16 high splitter.
2221 (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
2222 (*tls_get_tp_mips16_call_<mode>): Likewise.
2224 2012-01-15 Uros Bizjak <ubizjak@gmail.com>
2226 PR rtl-optimization/51821
2227 * recog.c (peep2_find_free_register): Determine clobbered registers
2230 2012-01-14 Denis Chertykov <chertykov@gmail.com>
2233 * config/avr/avr-protos.h: Revert change of 2012-01-09.
2234 * config/avr/avr.c: Likewise.
2235 * config/avr/avr.h: Likewise.
2237 2012-01-13 Ian Lance Taylor <iant@google.com>
2240 * tree.h (TYPE_QUALS): Add cast to int.
2241 (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
2243 2012-01-13 Ian Lance Taylor <iant@google.com>
2245 * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
2246 comparing param_index to VEC_length result.
2248 2012-01-13 Steven Bosscher <steven@gcc.gnu.org>
2250 * c-decl.c: Do not include tree-mudflap.h
2251 * tree-optimize.c: Likewise.
2252 * Makefile.in: Update dependencies.
2254 2012-01-13 Richard Guenther <rguenther@suse.de>
2257 * gimplify.c (gimplify_modify_expr_rhs): For calls with a
2258 variable-sized result always use RSO.
2260 2012-01-12 DJ Delorie <dj@redhat.com>
2262 * cfgexpand.c (convert_debug_memory_address): Allow any valid
2263 pointer type, not just the default pointer type.
2265 2012-01-09 Richard Henderson <rth@redhat.com>
2266 Denis Chertykov <chertykov@gmail.com>
2269 * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
2270 * config/avr/avr.c (avr_can_eliminate): Simplify.
2271 (avr_initial_elimination_offset): Likewise.
2272 (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
2273 (expand_epilogue): Likewise.
2274 (avr_legitimize_address): Gut.
2275 (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
2276 (avr_hard_regno_nregs): New.
2277 (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
2278 (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
2279 * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
2280 add soft frame pointer.
2281 (CALL_USED_REGISTERS): Likewise.
2282 (REG_CLASS_CONTENTS): Likewise.
2283 (REGISTER_NAMES): Likewise.
2284 (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
2285 (HARD_FRAME_POINTER_REGNUM): New.
2286 (FRAME_POINTER_REGNUM): Use soft frame pointer.
2287 (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
2288 remove the HARD_FRAME_POINTER self-elimination.
2290 2012-01-12 Georg-Johann Lay <avr@gjlay.de>
2293 * config/avr/avr.c (avr_encode_section_info): Test for absence of
2294 DECL_EXTERNAL when checking for initializers of progmem variables.
2296 2012-01-12 Ira Rosen <irar@il.ibm.com>
2298 PR tree-optimization/51799
2299 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
2300 that the last operation is a type demotion.
2302 2012-01-12 Uros Bizjak <ubizjak@gmail.com>
2304 * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
2305 (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
2307 2012-01-11 Jakub Jelinek <jakub@redhat.com>
2310 * combine.c (distribute_notes): If i3 is a noreturn call,
2311 allow old_size to be equal to args_size and make sure the
2312 noreturn call gets REG_ARGS_SIZE note.
2313 * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
2314 on noreturn calls even when the delta is 0.
2316 2012-01-11 Nathan Sidwell <nathan@acm.org>
2318 * gcov.c (STRING_SIZE): Remove.
2319 (generate_results): Erase annotations for source files with no
2320 coverage information.
2322 (output_lines): Use it.
2324 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
2326 * gimple.h (gimplify_body): Remove first argument.
2327 * gimplify.c (copy_if_shared): Add DATA argument. Do not create the
2328 pointer set here, instead just pass DATA to walk_tree.
2329 (unshare_body): Remove BODY_P argument and adjust. Create the pointer
2330 set here and invoke copy_if_shared on the size trees of DECL_RESULT.
2331 (unvisit_body): Likewise, but with unmark_visited.
2332 (gimplify_body): Remove BODY_P argument and adjust.
2333 (gimplify_function_tree): Adjust call to gimplify_body.
2334 * omp-low.c (finalize_task_copyfn): Likewise.
2336 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
2338 * tree.h (build_function_decl_skip_args): Add boolean parameter.
2339 (build_function_type_skip_args): Delete.
2340 * tree.c (build_function_type_skip_args): Make static and add
2341 SKIP_RETURN parameter. Fix thinko in the handling of variants.
2342 (build_function_decl_skip_args): Add SKIP_RETURN parameter and
2343 pass it to build_function_type_skip_args.
2344 * cgraph.h (cgraph_function_versioning): Add boolean parameter.
2345 (tree_function_versioning): Likewise.
2346 * cgraph.c (cgraph_create_virtual_clone): Adjust call to
2347 build_function_decl_skip_args.
2348 * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
2349 and pass it to build_function_decl_skip_args/tree_function_versioning.
2350 (cgraph_materialize_clone): Adjust call to tree_function_versioning.
2351 * ipa-inline-transform.c (save_inline_function_body): Likewise.
2352 * trans-mem.c (ipa_tm_create_version): Likewise.
2353 * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
2354 * tree-inline.c (declare_return_variable): Remove always-true test.
2355 (tree_function_versioning): Add SKIP_RETURN parameter. If the function
2356 returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
2357 * ipa-split.c (split_function): Skip the return value for the split
2358 part if it doesn't return.
2360 2012-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
2362 PR tree-optimization/49642
2363 * ipa-split.c (forbidden_dominators): New variable.
2364 (check_forbidden_calls): New function.
2365 (dominated_by_forbidden): Likewise.
2366 (consider_split): Check for forbidden dominators.
2367 (execute_split_functions): Initialize and free forbidden
2368 dominators info; call check_forbidden_calls.
2370 2012-01-11 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
2372 * config/arm/arm.md (mov_notscc): Use MVN for false condition.
2374 2012-01-11 Nick Clifton <nickc@redhat.com>
2376 * config/rx/rx.md (return): Define pattern.
2378 2012-01-11 Richard Guenther <rguenther@suse.de>
2380 * doc/extend.texi (malloc attribute): Adjust according to
2383 2012-01-10 Aldy Hernandez <aldyh@redhat.com>
2384 Patrick Marlier <patrick.marlier@gmail.com>
2387 * trans-mem.c (get_cg_data): Traverse aliases if requested.
2388 (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
2389 (ipa_tm_note_irrevocable): Same.
2390 (ipa_tm_scan_irr_block): Same.
2391 (ipa_tm_decrement_clone_counts): Same.
2392 (ipa_tm_scan_irr_function): Same.
2393 (ipa_tm_create_version_alias): Same.
2394 (ipa_tm_create_version): Same.
2395 (ipa_tm_transform_calls_redirect): Same.
2396 (ipa_tm_transform_calls): Same.
2397 (ipa_tm_transform_transaction): Same.
2398 (ipa_tm_execute): Same.
2400 2012-01-10 Richard Guenther <rguenther@suse.de>
2403 * opts.c (common_handle_option): Handle -Werror.
2405 2012-01-10 Andreas Schwab <schwab@linux-m68k.org>
2407 * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
2410 2012-01-10 Jason Merrill <jason@redhat.com>
2412 * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
2415 2012-01-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2417 * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
2418 supports R_386_TLS_GD_PLT reloc.
2419 (gcc_cv_as_ix86_tlsldmplt): Check if linker
2420 supports R_386_TLS_LDM_PLT reloc.
2421 * configure: Regenerate.
2422 * config.in: Regenerate.
2424 2012-01-10 Georg-Johann Lay <avr@gjlay.de>
2427 Extend __pgmx semantics to linearize memory.
2428 * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
2429 determine if code comes inline or from libgcc.
2430 (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
2431 (movmem_qi, movmem_qi): Set constraint #2 to "n".
2432 (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
2433 (movmemx_qi, movmemx_hi): New insns.
2434 (xload_<mode>_libgcc): Rewrite to new insn condition.
2435 (xload_<mode>): Remove insns.
2436 * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
2437 cases that don't satisfy avr_xload_libgcc_p().
2438 (avr_addr_space_convert): Allow converting in any direction.
2439 (avr_addr_space_subset_p): Return always true.
2440 (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
2441 (avr_emit_movmemhi): Ditto.
2442 (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
2443 (avr_out_movmem): Ditto.
2444 (AVR_SYMBOL_FLAG_PROGMEM): New macro.
2445 (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
2446 (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
2447 (avr_encode_section_info): Encode 'progmem' in symbol flags.
2448 (output_reload_in_const): Don't zero-extend any 24-bit symbols.
2450 2012-01-10 Richard Guenther <rguenther@suse.de>
2452 PR tree-optimization/50913
2453 * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
2454 Require data-refs to be representable by Graphite with respect
2457 2012-01-10 Uros Bizjak <ubizjak@gmail.com>
2459 * config/i386/constraints.md ("L"): Return true for 0xffffffff.
2460 * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
2462 2012-01-10 Tom de Vries <tom@codesourcery.com>
2464 PR rtl-optimization/51271
2465 * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
2466 handling annulled branch.
2468 2012-01-10 Richard Henderson <rth@redhat.com>
2470 * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
2471 TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
2472 struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
2473 arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
2474 arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
2475 arm_expand_vec_perm_const): New.
2476 * config/arm/arm-protos.h: Update.
2477 * config/arm/neon.md (UNSPEC_VCONCAT): New.
2478 (*neon_vswp<VDQX>): New.
2479 (neon_vcombine<VDX>): Use neon_split_vcombine.
2480 (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
2481 * config/arm/vec-common.md (vec_perm_const<VALL>): New.
2482 (vec_perm<VE>): New.
2484 2012-01-10 Richard Henderson <rth@redhat.com>
2486 * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
2487 use it if reload_completed.
2488 (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
2489 arm_output_asm_insn, arm_process_output_memory_barrier,
2490 arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
2491 arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
2492 arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
2493 arm_process_output_sync_insn, arm_output_sync_insn,
2494 arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
2495 (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
2496 (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
2497 (emit_unlikely_jump): New.
2498 (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
2499 (arm_split_atomic_op): New.
2500 * config/arm/arm-protos.h: Update.
2501 * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
2502 (struct arm_sync_generator): Remove.
2503 * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
2504 VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
2505 (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
2506 (VUNSPEC_LL, VUNSPEC_SC): New.
2507 (sync_result, sync_memory, sync_required_value, sync_new_value,
2508 sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
2509 (attr length): Don't use arm_sync_loop_insns.
2510 (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
2511 (movsfcc, movdfcc): Likewise.
2512 * config/arm/constraints.md (Ua): New.
2513 * config/arm/prediates.md (mem_noofs_operand): New.
2514 (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
2515 (sync_clobber, sync_t2_reqd): Remove.
2516 (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
2517 (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
2518 (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
2519 (arm_sync_compare_and_swap<SIDI>): Remove.
2520 (arm_sync_compare_and_swap<NARROW>): Remove.
2521 (arm_sync_lock_test_and_set<SIDI>): Remove.
2522 (arm_sync_lock_test_and_set<NARROW>): Remove.
2523 (arm_sync_new_<syncop><SIDI>): Remove.
2524 (arm_sync_new_<syncop><NARROW>): Remove.
2525 (arm_sync_new_nand<SIDI>): Remove.
2526 (arm_sync_new_nand<NARROW>): Remove.
2527 (arm_sync_old_<syncop><SIDI>): Remove.
2528 (arm_sync_old_<syncop><NARROW>): Remove.
2529 (arm_sync_old_nand<SIDI>): Remove.
2530 (arm_sync_old_nand<NARROW>): Remove.
2531 (*memory_barrier): Merge arm_output_memory_barrier.
2532 (atomic_compare_and_swap<QHSD>): New.
2533 (atomic_compare_and_swap<NARROW>_1): New.
2534 (atomic_compare_and_swap<SIDI>_1): New.
2535 (atomic_exchange<QHSD>): New.
2536 (cas_cmp_operand, cas_cmp_str): New.
2537 (atomic_op_operand, atomic_op_str): New.
2538 (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
2539 (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
2540 (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
2541 (arm_load_exclusive<NARROW>): New.
2542 (arm_load_exclusivesi, arm_load_exclusivedi): New.
2543 (arm_store_exclusive<QHSD>): New.
2545 2012-01-09 Michael Meissner <meissner@linux.vnet.ibm.com>
2547 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
2548 reload patterns if -mvsx-scalar-memory.
2550 * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
2551 generated, even -mno-vsx-scalar-double was used.
2552 (vsx_xscvdpsp_scalar): Likewise.
2553 (vsx_xscvspdp_scalar2): Likewise.
2555 2012-01-09 Tom de Vries <tom@codesourcery.com>
2556 Andrew Pinski <apinski@cavium.com>
2559 * reorg.c (fill_slots_from_thread): Don't speculate
2560 frame-related insns.
2562 2012-01-09 Richard Sandiford <rdsandiford@googlemail.com>
2564 * sched-int.h (bb_note): Move to...
2565 * basic-block.h: ...here.
2566 * haifa-sched.c (bb_note): Move to...
2567 * cfgrtl.c: ...here.
2568 * function.c (next_block_for_reg): New function.
2569 (move_insn_for_shrink_wrap): Likewise.
2570 (prepare_shrink_wrap): Rewrite to use the above.
2572 2012-01-09 Aldy Hernandez <aldyh@redhat.com>
2574 * gimple.c (is_gimple_non_addressable): Remove.
2575 * gimple.h: Remove is_gimple_non_addressable.
2576 * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
2577 is_gimple_non_addressable.
2578 * trans-mem.c (expand_assign_tm): Same.
2580 2012-01-09 Richard Guenther <rguenther@suse.de>
2582 PR tree-optimization/51775
2583 * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
2584 * tree-ssa-pre.c (eliminate): Properly fixup EH info.
2586 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
2588 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
2590 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
2592 2012-01-09 Richard Guenther <rguenther@suse.de>
2594 * tree-streamer-out.c (write_ts_optimization): Fix spelling.
2596 2012-01-08 Jan Hubicka <jh@suse.cz>
2598 PR tree-optimize/51680
2599 * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
2600 on when known_vals needs to be computed; cleanup.
2602 2012-01-08 Jan Hubicka <jh@suse.cz>
2604 PR tree-optimize/51694
2605 * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
2607 2012-01-08 Jonathan Wakely <jwakely.gcc@gmail.com>
2609 * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
2610 for -std=c++98 and -std=c++11 too.
2612 2012-01-08 Chung-Lin Tang <cltang@codesourcery.com>
2614 * cfgloop.c (cancel_loop): Add free() of bbs array.
2616 2012-01-07 Jan Hubicka <jh@suse.cz>
2618 PR tree-optimization/51600
2619 * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
2620 that benefits small functions.
2622 2012-01-07 Jan Hubicka <jh@suse.cz>
2624 * ipa-inline.c (want_inline_small_function_p): Fix formating.
2626 2012-01-07 Jan Hubicka <jh@suse.cz>
2628 PR tree-optimization/51680
2629 * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
2630 whose inlining reduce unit size.
2632 2012-01-07 Alexandre Oliva <aoliva@redhat.com>
2635 * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
2636 Add canonical node to containing_mem chain after the non-canonical
2637 one, even if there weren't any locs to propagate.
2638 (remove_useless_values): Keep only canonical values.
2639 (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
2640 (cselib_invalidate_mem): Likewise. Ensure v is canonical, and
2641 canonicalize mem_chain elements that are not discarded.
2643 2012-01-06 Jakub Jelinek <jakub@redhat.com>
2646 * cgraphunit.c (cgraph_optimize): Call output_weakrefs
2647 before emitting functions.
2649 PR gcov-profile/50127
2650 * bb-reorder.c (partition_hot_cold_basic_blocks): Call
2651 clear_aux_for_blocks.
2653 2012-01-06 Alexandre Oliva <aoliva@redhat.com>
2656 * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
2658 2012-01-06 Arnaud Charlet <charlet@adacore.com>
2660 * c-decl.c (ext_block): Moved up.
2661 (collect_all_refs, for_each_global_decl): Take ext_block into account.
2663 2012-01-06 Han Shen <shenhan@google.com>
2665 Translate built-in include paths for sysroot.
2666 * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
2667 (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
2669 * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
2670 GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
2672 * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
2673 control whether sysroot should be prepended to gxx include dir.
2675 * configure: Regenerate.
2677 2012-01-06 Torvald Riegel <triegel@redhat.com>
2679 PR rtl-optimization/51771
2680 * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
2681 * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
2683 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
2685 PR tree-optimization/51315
2686 * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
2687 (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
2689 2012-01-05 Uros Bizjak <ubizjak@gmail.com>
2692 * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
2693 for shrp pattern. Correctly handle and fixup shift variable.
2694 Return false when shift > nelt for BYTES_BIG_ENDIAN target.
2696 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2699 * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
2700 note when !ACCUMULATE_OUTGOING_ARGS.
2702 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
2704 * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
2706 (extract_range_from_unary_expr_1): Avoid useless computations.
2708 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2710 PR rtl-optimization/51767
2711 * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
2712 of jump_block and add an extra edge for degenerated asm gotos.
2715 * stmt.c (check_unique_operand_names): Don't ICE during error
2716 reporting if i is from labels chain.
2719 * profile.c (branch_prob): Split bbs that have exit edge
2720 and need a fake entry edge too.
2722 2012-01-05 Jan Hubicka <jh@suse.cz>
2725 * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
2728 2012-01-05 Richard Guenther <rguenther@suse.de>
2731 * tree-streamer-out.c (write_ts_optimization): New function.
2732 (streamer_write_tree_body): Call it.
2733 * tree-streamer-in.c (lto_input_ts_optimization): New function.
2734 (streamer_read_tree_body): Call it.
2735 * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
2737 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2740 * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
2741 * gimplify.c (gimplify_cleanup_point_expr): Save and set
2742 in_cleanup_point_expr before gimplify_stmt call and restore it
2744 (gimplify_target_expr): Don't add {CLOBBER} cleanup if
2745 in_cleanup_point_expr is false.
2747 2012-01-05 Richard Guenther <rguenther@suse.de>
2750 * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
2752 * toplev.c (process_options): Reject combining mudflap and LTO.
2753 * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
2755 2012-01-05 Richard Guenther <rguenther@suse.de>
2757 PR tree-optimization/51760
2758 * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
2760 (bit_value_unop): Handle UNDEFINED operands.
2761 (bit_value_binop): Likewise.
2763 2012-01-05 Georg-Johann Lay <avr@gjlay.de>
2765 * config/avr/avr.c (avr_replace_prefix): Remove.
2766 (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
2767 (avr_asm_function_rodata_section): Ditto.
2768 (avr_asm_select_section): Ditto.
2770 2012-01-05 Marcus Shawcroft <marcus.shawcroft@arm.com>
2772 * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
2775 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2778 * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
2779 calls that have any non-fake successor edges.
2782 * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
2784 2012-01-04 Eric Botcazou <ebotcazou@adacore.com>
2786 PR tree-optimization/51624
2787 * tree-sra.c (build_ref_for_model): When replicating a chain of
2788 COMPONENT_REFs, stop as soon as the offset would become negative.
2790 2012-01-04 Jakub Jelinek <jakub@redhat.com>
2793 * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
2794 in .debug_loc on the floor.
2796 2012-01-04 Andrew Pinski <apinski@cavium.com>
2798 * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
2800 2012-01-04 Andrew Pinski <apinski@cavium.com>
2801 Adam Nemet <anemet@caviumnetworks.com>
2803 * config/mips/mips.md (size): Add SI and DI.
2804 (SIZE): New mode attribute.
2805 (U): New code attribute.
2806 * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
2807 (mips_lbux_<mode>): Delete.
2808 (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
2809 (mips_lhx): Use gen_mips_lhx_extsi.
2810 (mips_lhx_<mode>): Delete.
2812 (mips_l<size>x): New expand.
2813 (mips_lwx_<mode>): Delete.
2814 (mips_l<GPR:size>x_<P:mode>): New pattern.
2815 (*mips_lw<u>x_<P:mode>_ext): Likewise.
2816 * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
2817 * config/mips/mips.c (mips_lx_address_p): New function.
2818 (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
2819 (dsp64): New availability predicate.
2820 (mips_builtins): Add an entry for __builtin_mips_ldx.
2821 * config/mips/mips.h (ISA_HAS_LBX): New define.
2822 (ISA_HAS_LBUX): Likewise.
2823 (ISA_HAS_LHX): Likewise.
2824 (ISA_HAS_LHUX): Likewise.
2825 (ISA_HAS_LWX): Likewise.
2826 (ISA_HAS_LWUX): Likewise.
2827 (ISA_HAS_LDX): Likewise.
2828 * doc/extend.texi (__builtin_mips_ldx): Document.
2830 2012-01-04 Tristan Gingold <gingold@adacore.com>
2832 * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
2833 when long pointers are used.
2834 * config.build (*-*-*vms*): Handle all OpenVMS targets.
2835 (alpha64-dec-*vms*, alpha*-dec-*vms*)
2836 (ia64-hp-*vms*): Remove.
2837 * config/vms/xm-vms64.h: Delete.
2839 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
2842 * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
2844 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
2846 * opts.c (finish_options): Remove duplicate sorry.
2848 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
2851 * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
2854 2012-01-04 Richard Guenther <rguenther@suse.de>
2857 * tree.c (size_low_cst): New function.
2858 * tree.h (size_low_cst): Declare.
2859 * fold-const.c (fold_comparison): Use it to extract the low
2860 part of the POINTER_PLUS_EXPR offset.
2862 2012-01-04 Georg-Johann Lay <avr@gjlay.de>
2864 Fix clearing ZERO_REG
2865 * config/avr/avr.md (cc): Add alternative "ldi".
2866 (movqi_insn): Use it in cc attribute.
2867 * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
2868 (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
2869 (output_reload_insisf): Use ZERO_REG to pre-clear register.
2871 2012-01-04 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2873 * configure: Regenerate.
2875 2012-01-04 Richard Guenther <rguenther@suse.de>
2877 PR tree-optimization/49651
2878 * tree-ssa-structalias.c (type_can_have_subvars): New function.
2879 (var_can_have_subvars): Use it.
2880 (get_constraint_for_1): Only consider subfields if there can be any.
2882 2012-01-03 Jakub Jelinek <jakub@redhat.com>
2885 * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
2886 to its new canonical_cselib_val and the cselib_val was in
2887 first_containing_mem chain, but the canonical_cselib_val was not,
2888 add the latter into the chain.
2889 (cselib_invalidate_mem): Compare canonical_cselib_val of
2890 addr_list chain elt with v.
2893 * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
2894 dwarf2out_undef): Allocate e.info using ggc_strdup instead
2896 (output_macinfo_op): Don't ggc_strdup fd->filename.
2897 (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
2898 then ggc_strdup it. Don't free inc->info or cur->info.
2899 (output_macinfo): Don't free ref->info or file->info.
2901 2012-01-03 Ira Rosen <irar@il.ibm.com>
2903 PR tree-optimization/51269
2904 * tree-vect-loop-manip.c (set_prologue_iterations): Make
2905 first_niters a pointer.
2906 (slpeel_tree_peel_loop_to_edge): Likewise.
2907 (vect_do_peeling_for_loop_bound): Update call to
2908 slpeel_tree_peel_loop_to_edge.
2909 (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
2910 here. Remove it from the parameters list.
2911 (vect_do_peeling_for_alignment): Update calls and compute
2914 2012-01-03 Richard Guenther <rguenther@suse.de>
2916 PR tree-optimization/51070
2917 * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
2918 Properly handle calls.
2920 2012-01-03 Richard Guenther <rguenther@suse.de>
2922 PR tree-optimization/51692
2923 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
2924 the LHS of allocation stmts.
2926 2012-01-03 Olivier Hainque <hainque@adacore.com>
2928 * system.h: Prior to #define, #undef fopen and freopen unconditionally.
2930 2012-01-03 Olivier Hainque <hainque@adacore.com>
2932 * collect2.c (main): In AIX specific computations for vector
2933 insertions, use CONST_CAST2 to cast from char ** to const char **.
2935 2012-01-03 Richard Guenther <rguenther@suse.de>
2938 * dwarf2out.c (dwarf2out_finish): Always create a DIE for
2939 the context of a limbo DIE when it does not already exist.
2941 2012-01-03 Jakub Jelinek <jakub@redhat.com>
2943 PR tree-optimization/51719
2944 * value-prof.c (gimple_ic): When indirect call isn't noreturn,
2945 but direct call is, clear direct call's lhs and don't add fallthrough
2946 edge from dcall_bb to join_bb and PHIs.
2948 2012-01-03 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2950 * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
2951 the instructions emitted by the pattern.
2952 ("*TDC_insn_<mode>"): Add comment.
2954 2012-01-03 Richard Guenther <rguenther@suse.de>
2957 * fold-const.c (fold_comparison): Properly canonicalize
2958 tree offset and HOST_WIDE_INT bit position.
2960 2012-01-02 Uros Bizjak <ubizjak@gmail.com>
2962 * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
2963 operands for extzv pattern.
2965 2012-01-02 Jakub Jelinek <jakub@redhat.com>
2968 * cselib.c (add_mem_for_addr): Call canonical_cselib_val
2971 2012-01-02 Sandra Loosemore <sandra@codesourcery.com>
2973 * doc/invoke.texi (-flto and related options): Copy-edit.
2975 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
2977 * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
2979 2012-01-02 Jakub Jelinek <jakub@redhat.com>
2981 * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
2984 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
2986 * expr.h (move_by_pieces_ninsns): Declare.
2987 * expr.c (move_by_pieces_ninsns): Make external.
2988 * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
2989 (mips_store_by_pieces_p): Likewise.
2990 * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
2991 (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
2992 * config/mips/mips.c (mips_move_by_pieces_p): New function.
2993 (mips_store_by_pieces_p): Likewise.
2995 2012-01-02 Jakub Jelinek <jakub@redhat.com>
2997 * passes.c (register_one_dump_file): Free full_name.
2999 * reload1.c (reload): Don't allocate reg_max_ref_width here.
3000 (calculate_elim_costs_all_insns): Free offsets_at and
3001 offsets_known_at at the end and clear the pointers.
3003 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
3005 * config/avr/avr.opt (-mbranch-cost): Fix double definition of
3006 this option introduced in r180739.
3008 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
3011 * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
3012 (tmake_file target=avr): Add avr/t-multilib.
3014 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
3015 to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
3016 * config/avr/genmultilib.awk: New file.
3017 * config/avr/t-multilib: New auto-generated file.
3018 * config/avr/multilib.h: New auto-generated file.
3019 * config/avr/t-avr (AVR_MCUS): New variable.
3020 (genopt.sh): Use it.
3021 (s-mlib): Depend on t-multilib.
3022 (t-multilib, multilib.h): New dependencies.
3023 (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
3024 (MULTILIB_OPTIONS): Remove.
3025 (MULTILIB_MATCHES): Remove.
3026 (MULTILIB_DIRNAMES): Remove.
3027 (MULTILIB_EXCEPTIONS): Remove:
3028 * config/avr/genopt.sh: Don't use hard coded file name;
3029 pass AVR_MCUS from t-avr instead.
3031 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
3033 * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
3035 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
3037 Implement light-weight DImode support.
3038 * config/avr/avr-dimode.md: New file.
3039 * config/avr/avr.md: Include it.
3040 (adjust_len): Add plus64, compare64.
3041 (HIDI): Remove code iterator.
3042 (code_stdname): New code attribute.
3043 (rotx, rotsmode): Remove DI.
3044 (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
3046 * config/avr/avr-protos.h (avr_have_dimode): New.
3047 (avr_out_plus64, avr_out_compare64): New.
3048 * config/avr/avr.c (avr_out_compare): Handle DImode.
3049 (avr_have_dimode): New variable definition and initialization.
3050 (avr_out_compare64, avr_out_plus64): New functions.
3051 (avr_out_plus_1): Use simplify_unary_operation to negate xval.
3052 (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
3053 (avr_compare_pattern): Skip DImode comparisons.
3055 2012-01-02 Revital Eres <revital.eres@linaro.org>
3057 * ddg.c (def_has_ccmode_p): New function.
3058 (add_cross_iteration_register_deps,
3059 create_ddg_dep_from_intra_loop_link): Call it.
3061 2012-01-02 Richard Guenther <rguenther@suse.de>
3064 * invoke.texi (fassociative-math): Remove spurious paranthesis.
3066 2012-01-01 Jakub Jelinek <jakub@redhat.com>
3068 * gcc.c (process_command): Update copyright notice dates.
3069 * gcov.c (print_version): Likewise.
3070 * gcov-dump.c (print_version): Likewise.
3071 * mips-tfile.c (main): Likewise.
3072 * mips-tdump.c (main): Likewise.
3074 2012-01-01 Ira Rosen <irar@il.ibm.com>
3076 PR tree-optimization/51704
3077 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
3078 a use is inside the basic block or loop before accessing its vect info.
3080 2012-01-01 Jan Hubicka <jhjh@suse.cz>
3082 PR rtl-optimization/51069
3083 * cfgloopmanip.c (remove_path): Removing path making irreducible
3084 region unconditional makes BB part of the region.
3086 2012-01-01 Jakub Jelinek <jakub@redhat.com>
3088 PR tree-optimization/51683
3089 * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
3090 calls with side-effects.
3091 * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
3093 Copyright (C) 2012 Free Software Foundation, Inc.
3095 Copying and distribution of this file, with or without modification,
3096 are permitted in any medium without royalty provided the copyright
3097 notice and this notice are preserved.