1 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
4 * config/avr/avr.md (movmem_<mode>): Replace match_operand that
5 match only one single hard register with respective hard reg rtx.
6 (movmemx_<mode>): Ditto.
7 * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
8 insn anatomy of movmem[x]_<mode>.
9 (avr_out_movmem): Same for printing assembler and operand usage.
11 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
15 * doc/extend.texi (AVR Named Address Spaces): No more try to fix
16 address spaces located outside of device flash.
18 * config/avr/avr.h (base_arch_s): Remove field n_segments.
19 (mcu_type_s): Add field n_flash.
20 * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
21 Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
22 (AVR_MCU): Add N_FLASH argument.
23 * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
24 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
25 macro __FLASH<n> if that address space makes sense for the device.
26 * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
27 outside of target flash.
28 (avr_asm_named_section): Ditto.
29 (avr_asm_select_section): Ditto.
30 (avr_addr_space_convert): Ditto.
31 (avr_emit_movmemhi): Ditto.
32 (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
33 address space is outside of device flash.
34 (avr_insert_attributes): Ditto.
35 (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
36 avr_current_arch->n_segments.
38 2012-02-27 H.J. Lu <hongjiu.lu@intel.com>
41 * config/i386/i386.md (*movabs<mode>_1): Enable only for
43 (*movabs<mode>_2): Likewise.
45 2012-02-27 Jakub Jelinek <jakub@redhat.com>
48 * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
49 s_register_operand in the test instead of REG_P. Don't call
50 gen_reg_rtx if it won't be used.
52 PR tree-optimization/52376
53 * ipa-split.c (split_function): Ignore CLOBBER stmts.
55 2012-02-27 Stuart Henderson <shenders@gcc.gnu.org>
57 * ifcvt.c (noce_get_condition): Check condition variable is not
58 small_register_classes_for_mode_p before accepting.
60 2012-02-27 Uros Bizjak <ubizjak@gmail.com>
62 * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
64 2012-02-27 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
67 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
68 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
70 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
72 2012-02-27 Oleg Endo <olegendo@gcc.gnu.org>
74 * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
76 2012-02-26 Oleg Endo <olegendo@gcc.gnu.org>
78 * config/sh/predicates.md: Remove blank lines.
79 * config/sh/sh.c: Fix typos in comments.
80 * config/sh/constraints.md: Likewise.
81 * config/sh/sh.md: Remove blank lines.
82 Fix typos in comments. Use ;; as comment characters.
84 2012-02-26 Walter Lee <walt@tilera.com>
86 * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
87 (replace_mov_pcrel_step2): Ditto.
89 2012-02-25 Alexandre Oliva <aoliva@redhat.com>
92 * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
93 (get_addr): Walk canonical value's locs. Avoid returning VALUEs
94 and locs that reference values newer than the non-canonical value
95 at hand. Return the canonical value as a worst case.
96 (memrefs_conflict_p): Walk canonical value's locs.
99 * cselib.c (preserve_only_constants): Rename to...
100 (preserve_constants_and_equivs): ... this. Split out...
101 (invariant_or_equiv_p): ... this. Preserve plus expressions
102 of other preserved expressions too.
103 (cselib_reset_table): Adjust.
104 * var-tracking.c (reverse_op): Use canonical value to build
107 2012-02-23 Kai Tietz <ktietz@redhat.com>
109 * config/i386/i386.c (ix86_delegitimize_address): Handle
110 UNSPEC_PCREL plus displacement.
112 2012-02-24 Georg-Johann Lay <avr@gjlay.de>
115 * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
116 to test for unusedness in st X addressing.
118 2012-02-24 Richard Guenther <rguenther@suse.de>
121 * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
122 (is_gimple_reg_type): Move inline ...
123 * gimple.h (is_gimple_reg_type): ... here.
125 2012-02-24 Richard Guenther <rguenther@suse.de>
128 * passes.c (execute_function_todo): When verifying SSA form
129 verify gimple form first.
130 * tree-ssa.c (verify_ssa): Do not verify gimple form here.
132 2012-02-24 Richard Guenther <rguenther@suse.de>
135 * fold-const.c (fold_addr_of_array_ref_difference): New function.
136 (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
138 2012-02-13 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
140 * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
142 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
144 * tree-phinodes.c (make_phi_node): Mark static.
145 * tree-flow.h (make_phi_node): Remove extern decl.
146 * doc/gimple.texi (make_phi_node): Remove documentation.
148 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
150 * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
151 * tree-ssa-sccvn.c (print_scc): Ditto.
153 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
155 * doc/passes.texi (Full redundancy elimination): Fix typo.
157 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
159 * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
161 2012-02-23 Eric Botcazou <ebotcazou@adacore.com>
164 * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
166 2012-02-23 Uros Bizjak <ubizjak@gmail.com>
169 * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
171 2012-02-23 Georg-Johann Lay <avr@gjlay.de>
173 * config/avr/avr.md (code_stdname): Add ior, xor.
174 (xior): New code iterator.
175 (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
176 (*<code_stdname><mode>qi.byte1-3): Ditto.
178 2012-02-23 Jakub Jelinek <jakub@redhat.com>
180 PR tree-optimization/52019
181 * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
184 2012-02-23 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
186 * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
187 HAVE_INITFINI_ARRAY to work around namespace pollution in
188 certain versions of newlib system headers.
189 * config.in: Regenerate.
190 * configure: Regenerate.
191 * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
192 instead of HAVE_INITFINI_ARRAY.
194 2012-02-22 Uros Bizjak <ubizjak@gmail.com>
197 * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
198 is not offsettable memory reference.
200 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
203 * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
204 setting avr_need_clear_bss_p for __gnu_lto* symbols.
206 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
208 * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
209 * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
211 2012-02-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
213 * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
214 library on Solaris 8 even without TLS support.
215 * configure: Regenerate.
217 2012-02-22 Richard Guenther <rguenther@suse.de>
220 * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
221 for GIMPLE_DEBUG stmts.
223 2012-02-22 Martin Jambor <mjambor@suse.cz>
226 * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
227 according to the base object.
229 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
231 PR rtl-optimization/50063
232 * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
233 and 2 (8-bit SP) in operand 2.
234 * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
235 setup to use movhi_sp_r instead of vanilla move to write SP.
236 Adjust REG_CFA notes to superseed unspec.
237 (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
239 As function body might contain CLI or SEI: Use irq_state 0 (IRQ
240 known to be off) only with TARGET_NO_INTERRUPTS. Never use
241 irq_state 1 (IRQ known to be on) here.
243 2012-02-21 Bernd Schmidt <bernds@codesourcery.com>
245 * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
247 * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
248 assign_hard_reg): Likewise.
250 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
252 * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
254 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
257 (*dec-and-branchhi!=-1.d.clobber): New text peephole.
258 (*dec-and-branchhi!=-1.l.clobber): New text peephole.
260 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
262 * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
263 prototype from here to...
264 * config/avr/avr.h: ...here.
266 2012-02-21 Richard Earnshaw <rearnsha@arm.com>
269 * thumb2.md (thumb2_shiftsi3_short): Split register and
270 immediate shifts. For register shifts tie operands 0 and 1.
271 (peephole2 for above): Check that register-controlled shifts
272 have suitably tied operands.
274 2012-02-21 Quentin Neill <quentin.neill@amd.com>
277 * config/i386/bdver1.md (bdver1_call, bdver1_push,
278 bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
279 bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
280 bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
281 bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
282 bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
283 bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
284 bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
285 bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
286 bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
287 bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
288 bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
289 bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
290 bdver1_ssevector_avx256_unaligned_load,
291 bdver1_ssevector_sse128_unaligned_load,
292 bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
293 bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
294 bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
295 bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
296 bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
297 bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
298 bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
299 bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
300 bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
301 bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
302 bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
303 bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
304 bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
305 bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
306 bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
307 bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
308 bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
309 bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
310 bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
311 bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
312 bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
313 bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
314 bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
315 bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
316 bdver1_ssediv_double_load, bdver1_ssediv_double,
317 bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
318 Add "bdver2" attribute.
320 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
322 * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
323 default if possible and not specified otherwise.
325 2012-02-21 Richard Guenther <rguenther@suse.de>
328 * gimplify.c (create_tmp_from_val): Use the main variant type
329 for the type of the temporary we create.
331 2012-02-21 Richard Guenther <rguenther@suse.de>
333 PR tree-optimization/52324
334 * gimplify.c (gimplify_expr): When re-gimplifying expressions
335 do not gimplify a MEM_REF address operand if it is already
338 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
340 * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
341 TARGET_HARD_FLOAT with TARGET_HARD_DFP.
343 2012-02-21 Richard Guenther <rguenther@suse.de>
345 * tree-vect-stmts.c (vectorizable_load): Use pre-computed
348 2012-02-21 Jakub Jelinek <jakub@redhat.com>
350 PR tree-optimization/52318
351 * gimple-fold.c (gimplify_and_update_call_from_tree): Add
352 vdef also to non-pure/const call stmts in the sequence.
354 2012-02-20 David S. Miller <davem@davemloft.net>
356 * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
357 don't use the "rd %pc" instruction on v9 for PIC register loads.
359 2012-02-20 Aldy Hernandez <aldyh@redhat.com>
362 * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
363 in a transaction safe function.
365 2012-02-20 Kai Tietz <ktietz@redhat.com>
368 * stor-layout.c (place_field): Handle desired_align for
371 2012-02-20 Richard Guenther <rguenther@suse.de>
373 PR tree-optimization/52298
374 * tree-vect-stmts.c (vectorizable_store): Properly use
375 STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
377 (vectorizable_load): Likewise.
378 * tree-vect-data-refs.c (vect_analyze_data_ref_access):
379 Access DR_STEP after ensuring it is not NULL.
381 2012-02-20 Jakub Jelinek <jakub@redhat.com>
383 PR tree-optimization/52286
384 * fold-const.c (fold_binary_loc): For (X & C1) | C2
385 optimization use double_int_to_tree instead of build_int_cst_wide,
386 rewrite to use double_int vars.
388 2012-02-20 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
391 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
393 Remove -e 0 from $gcc_cv_ld invocation.
394 Only use __GLIBC_PREREQ if defined.
395 Enable on Solaris since Solaris 8 patch.
396 (gcc_SUN_LD_VERSION): New macro.
397 * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
398 gcc_SUN_LD_VERSION for version number format.
399 * configure: Regenerate.
400 * varasm.c (get_elf_initfini_array_priority_section): Set
401 SECTION_NOTYPE for non-default priority.
402 Use get_section instead of get_unnamed_section to emit
403 .init_array/.fini_array with default priority.
405 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
407 * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
408 (mips_get_tp): Set it. Record that __mips16_rdhwr binds locally.
409 (mips_start_unique_function, mips_output_mips16_rdhwr)
410 (mips_code_end): New functions.
411 (TARGET_ASM_CODE_END): Define.
413 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
415 * config/mips/mips.c (mips16_build_call_stub): Add CFI information
416 to stubs with non-sibling calls.
418 2012-02-18 Sandra Loosemore <sandra@codesourcery.com>
420 * doc/invoke.texi (-fira-* options): Copy-edit.
421 (ira-* parameters): Copy-edit.
423 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
425 * doc/invoke.texi: Minor copy-edits to bring into conformance with
426 GCC coding conventions.
428 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
430 * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
431 when used as adjectives.
433 2012-02-16 Sandra Loosemore <sandra@codesourcery.com>
435 * doc/invoke.texi: Clean up "that"/"which" confusion.
437 2012-02-17 Steven Bosscher <steven@gcc.gnu.org>
439 * system.h: Poison SMALL_REGISTER_CLASSES
440 * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
441 * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
443 2012-02-16 Jakub Jelinek <jakub@redhat.com>
445 PR tree-optimization/52285
446 * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
447 when deciding if a call is a tail call or tail recursion.
449 2012-02-16 Kai Tietz <ktietz@redhat.com>
451 * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
452 interger-constant displacement for UNSPEC_PCREL.
454 2012-02-16 Jakub Jelinek <jakub@redhat.com>
456 PR rtl-optimization/52208
457 * ira-costs.c (scan_one_insn): Don't decrease mem_cost
458 for MEMs with REG_EQUIV, if the MEM isn't general_operand.
460 PR tree-optimization/52255
461 * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
462 loop->header has virtual PHI, but exit_e->dest doesn't, add
463 virtual PHI to exit_e->dest and adjust all uses after the loop.
466 * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
467 children with clone_tree_hash, not after it.
469 2012-02-16 Iain Sandoe <iains@gcc.gnu.org>
471 * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
472 extended identifiers.
474 2012-02-16 Jakub Jelinek <jakub@redhat.com>
477 * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
478 a same_body_alias, also test whether e->callee isn't a former
479 or current clone of the decl this is a same body alias of.
482 * cgraphunit.c (verify_cgraph_node): Fix a typo.
484 2012-02-15 Sandra Loosemore <sandra@codesourcery.com>
486 * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
488 2012-02-15 Michael Meissner <meissner@linux.vnet.ibm.com>
491 * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
492 force_reg instead of copy_to_reg for better optimization. Force
493 non-register or memory operands into a register.
495 2012-02-15 Andrew MacLeod <amacleod@redhat.com>
497 * extend.texi: Reserve upper bits of memory model for future use.
499 2012-01-15 Georg-Johann Lay <avr@gjlay.de>
500 Anatoly Sokolov <aesok@post.ru>
501 Eric Weddington <eric.weddington@atmel.com>
504 * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
505 avrxmega4, avrxmega5, avrxmega6, avrxmega7.
506 Rewrite initializers for .macro.
507 * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
508 avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
509 atxmega32d4, atxmega32x1.
510 avrxmega4: atxmega64a3, atxmega64d3.
511 avrxmega5: atxmega64a1, atxmega64a1u.
512 avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
513 atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
514 avrxmega7: atxmega128a1, atxmega128a1u.
515 * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
516 ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
517 (struct base_arch_s): Rename reserved to xmega_p.
518 Rename reserved2 to have_rampd.
519 (AVR_XMEGA): New define.
520 (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
521 (AVR_HAVE_RAMPZ): Change definition to fit xmega.
522 * config/avr/predicates.md (io_address_operand): Take into
524 (low_io_address_operand): Ditto.
525 (high_io_address_operand): Ditto.
526 * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
527 (enabled, movhi_sp_r): Use them.
528 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
529 cpp_define_formatted to built-in define __AVR_ARCH__.
530 (__AVR_XMEGA__): New built-in define.
531 (__AVR_HAVE_RAMPD__): New built-in define.
532 (__AVR_HAVE_RAMPX__): New built-in define.
533 (__AVR_HAVE_RAMPY__): New built-in define.
534 (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
536 * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
537 (avr_option_override): Initialize them.
538 (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
539 (avr_init_expanders): Initialize them. No more block several calls.
540 (emit_push_sfr): New static function.
541 (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
543 (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
544 (avr_print_operand): Print addreeses as symbols for
545 RAMPX, RAMPY, RAMPD, CCP.
546 (output_movhi): Handle AVR_XMEGA when writing to SP.
547 (avr_out_movhi_mr_r_xmega): New static function.
548 (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
549 (avr_file_start): Print symbol defines for __RAMPX__, __RAMPY__,
550 __RAMPD__, __CCP__ as needed.
552 * config/avr/multilib.h: Regenerate.
553 * config/avr/t-multilib: Regenerate.
554 * config/avr/avr-tables.opt: Regenerate.
556 2012-02-15 Tobias Grosser <grosser@fim.uni-passau.de>
558 PR tree-optimization/50561
559 * graphite-flattening.c (lst_project_loop): Do not
560 remove old scattering dimensions after flattening.
561 (lst_do_flatten): Likewise.
563 2012-02-15 Georg-Johann Lay <avr@gjlay.de>
565 * doc/extend.texi (AVR Built-in Functions): Remove doc for
566 __builtin_avr_map8, __builtin_avr_map16.
567 Document __builtin_avr_insert_bits.
569 * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
570 (insert_bits): New insn.
571 (adjust_len.map_bits): Rename to insert_bits.
572 (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
573 * avr-protos.h (avr_out_map_bits): Remove.
574 (avr_out_insert_bits, avr_has_nibble_0xf): New.
575 * config/avr/constraints.md (Cxf,C0f): New.
576 * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
577 defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
578 New built-in define __BUILTIN_AVR_INSERT_BITS.
579 * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
580 (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
581 (avr_move_bits): Rewrite.
582 (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
584 (avr_map_op_t): New typedef.
585 (avr_map_op): New static variable.
586 (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
587 (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
588 (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
589 (bdesc_3arg, avr_expand_triop_builtin): New.
590 (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
591 (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
592 (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
593 (avr_map_equal_p, avr_map_sig_p): Remove.
594 (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
595 (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
596 (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
597 (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
598 (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
599 (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
601 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
603 * config/c6x/c6x.md (reserve_cycles): New attribute.
604 * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
605 don't reserve functional units after the branch occurs.
607 2012-02-14 Aldy Hernandez <aldyh@redhat.com>
610 * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
611 functions into non-tm_pure functions.
613 2012-02-14 Eric Botcazou <ebotcazou@adacore.com>
616 * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
617 (iterative_hash_canonical_type): Likewise.
618 * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
621 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
623 * haifa-sched.c (prune_ready_list): Ensure that if there is a
624 sched-group insn, it either remains alone or the entire list is pruned.
626 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
628 * doc/install.texi (Prerequisites): Fix grammar.
629 (Configuration): Likewise.
631 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
633 * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
634 MPC as part of GCC before describing configuring with --with-gmp etc.
635 (Installing GCC: Configuration): --with-gmp etc. aren't needed if
638 2012-02-14 Jakub Jelinek <jakub@redhat.com>
641 * dwarf2out.c (clone_tree_hash): New function.
642 (copy_decls_walk): Use it instead of clone_tree.
644 2012-02-14 Richard Guenther <rguenther@suse.de>
646 PR tree-optimization/52244
647 PR tree-optimization/51528
648 * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
649 replacements for integral types.
651 2012-02-14 Walter Lee <walt@tilera.com>
653 * config.gcc: Handle tilegx and tilepro.
654 * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
656 Add HAVE_AS_TLS check for tilegx and tilepro.
657 * configure: Regenerate.
658 * doc/contrib.texi: Add Mat Hostetter and self.
659 * doc/extend.texi (TILE-Gx Built-in Functions): New node.
660 Document instruction intrinsics and network accessing intrinsics.
661 (TILEPro Built-in Functions): New node. Document instruction
662 intrinsics and network accessing intrinsics.
663 * doc/install.texi (Specific, tilegx-*-linux*): Document it.
664 (Specific, tilepro-*-linux*): Likewise.
665 * doc/invoke.texi (TILE-Gx Options): New section.
666 (TILEPro Options): New section.
667 * doc/md.texi (TILE-Gx): New section.
668 (TILEPro): New section.
669 * common/config/tilegx/tilegx-common.c: New file.
670 * common/config/tilepro/tilepro-common.c: New file.
671 * config/tilegx/constraints.md: New file.
672 * config/tilegx/linux.h: New file.
673 * config/tilegx/mul-tables.c: New file.
674 * config/tilegx/predicates.md: New file.
675 * config/tilegx/sync.md: New file.
676 * config/tilegx/t-tilegx: New file.
677 * config/tilegx/tilegx-builtins.h: New file.
678 * config/tilegx/tilegx-c.c: New file.
679 * config/tilegx/tilegx-generic.md: New file.
680 * config/tilegx/tilegx-modes.def: New file.
681 * config/tilegx/tilegx-multiply.h: New file.
682 * config/tilegx/tilegx-protos.h: New file.
683 * config/tilegx/tilegx.c: New file.
684 * config/tilegx/tilegx.h: New file.
685 * config/tilegx/tilegx.md: New file.
686 * config/tilegx/tilegx.opt: New file.
687 * config/tilepro/constraints.md: New file.
688 * config/tilepro/gen-mul-tables.cc: New file.
689 * config/tilepro/linux.h: New file.
690 * config/tilepro/mul-tables.c: New file.
691 * config/tilepro/predicates.md: New file.
692 * config/tilepro/t-tilepro: New file.
693 * config/tilepro/tilepro-builtins.h: New file.
694 * config/tilepro/tilepro-c.c: New file.
695 * config/tilepro/tilepro-generic.md: New file.
696 * config/tilepro/tilepro-modes.def: New file.
697 * config/tilepro/tilepro-multiply.h: New file.
698 * config/tilepro/tilepro-protos.h: New file.
699 * config/tilepro/tilepro.c: New file.
700 * config/tilepro/tilepro.h: New file.
701 * config/tilepro/tilepro.md: New file.
702 * config/tilepro/tilepro.opt: New file.
704 2012-02-14 Jakub Jelinek <jakub@redhat.com>
706 PR tree-optimization/52210
707 * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
708 vect_model_simple_cost with two entry vect_def_type array instead
711 2012-02-14 Richard Guenther <rguenther@suse.de>
714 * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
715 Do not stream DECL_QUALIFIER.
716 * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
717 * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
718 (find_decls_types_r): Do not walk DECL_QUALIFIER.
720 2012-02-14 Jakub Jelinek <jakub@redhat.com>
723 * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
726 2012-02-13 Jakub Jelinek <jakub@redhat.com>
729 * cselib.h (cselib_subst_to_values_from_insn): New prototype.
730 * cselib.c (cselib_subst_to_values_from_insn): New function.
731 * sched-deps.c (add_insn_mem_dependence,
732 sched_analyze_1, sched_analyze_2): Use it.
734 2012-02-13 Jan Hubicka <jh@suse.cz>
737 * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
739 2012-02-13 Eric Botcazou <ebotcazou@adacore.com>
741 * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
742 (GTM_SELF_SPECS): Define if not already defined.
743 (driver_self_specs): Add GTM_SELF_SPECS.
744 * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
745 (GTM_SELF_SPECS): Define.
746 * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
747 * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
749 2012-02-13 Jakub Jelinek <jakub@redhat.com>
751 * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
754 * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
757 * omp-low.c (expand_omp_for): If a static schedule without chunk size
758 has NULL region->cont, force fd.chunk_size to be integer_zero_node.
760 2012-02-13 Andrew MacLeod <amacleod@redhat.com>
763 * doc/extend.texi : Fix another __atomic_compare_exchange typo.
765 2012-02-13 Richard Guenther <rguenther@suse.de>
768 * passes.c (enable_disable_pass): Fix typo.
770 2012-02-13 Jakub Jelinek <jakub@redhat.com>
773 * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
774 XOR for reduce_bit_field if type is unsigned.
776 2012-02-12 Eric Botcazou <ebotcazou@adacore.com>
778 * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
779 disallow changes from SFmode to mode with different size in FP regs.
781 2012-02-12 Robert Millan <rmh@gnu.org>
782 Gerald Pfeifer <gerald@pfeifer.com>
784 * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
787 2012-02-11 Richard Sandiford <rdsandiford@googlemail.com>
789 PR rtl-optimization/52175
790 * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
791 to frame-related instructions.
793 2012-02-10 Jason Merrill <jason@redhat.com>
796 * tlink.c (demangled_hash_entry): Change mangled to a VEC.
797 (demangle_new_symbols): Fill it.
798 (scan_linker_output): Walk it.
799 (start_tweaking): Split out from scan_linker_output.
800 (maybe_tweak): Update sym->chosen.
801 * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
803 2012-02-11 Jakub Jelinek <jakub@redhat.com>
806 * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
808 2012-02-11 Uros Bizjak <ubizjak@gmail.com>
810 * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
811 having the same mode as previous compare.
813 2012-02-10 Eric Botcazou <ebotcazou@adacore.com>
815 * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
816 * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
817 (nonlocal_goto_internal): Likewise.
818 (nonlocal_goto): Emit a use and an indirect jump directly.
820 2012-02-10 Andrew MacLeod <amacleod@redhat.com>
823 * doc/extend.texi : Update comments for __atomic_compare_exchange and
824 __atomic_{is,always}_lock_free.
826 2012-02-10 Uros Bizjak <ubizjak@gmail.com>
829 * config/i386/i386.c (ix86_legitimate_address_p): Disallow
830 negative constant address for x32.
832 2012-02-10 Richard Henderson <rth@redhat.com>
834 * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
835 * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
836 for GIMPLE_TRANSACTION. Tidy if's into a switch.
838 2012-02-10 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
839 Ira Rosen <irar@il.ibm.com>
841 PR tree-optimization/50031
842 * targhooks.c (default_builtin_vectorization_cost): Handle
844 * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
845 * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
846 all types of reduction and pattern statements.
847 (vect_estimate_min_profitable_iters): Likewise.
848 * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
849 (vect_get_load_cost): Use vec_perm for permutations; add dump logic
850 for explicit realigns.
851 (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
852 * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
854 * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
855 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
856 vec_perm for VSX and handle vec_promote_demote.
858 2012-02-10 Jakub Jelinek <jakub@redhat.com>
861 * builtins.c (fold_builtin_atomic_always_lock_free,
862 expand_builtin_atomic_always_lock_free,
863 fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
864 Return and/or test boolean_true_node/boolean_false_node instead of
865 integer_one_node/integer_zero_node.
867 2012-02-10 Jan Hubicka <jh@suse.cz>
870 * predict.c (predict_paths_for_bb): Prevent looping.
871 (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
873 2012-02-10 Roman Zhuykov <zhroma@ispras.ru>
875 * config/arm/arm.c (output_move_double): In one case properly
876 count number of instructions that will be emitted.
878 2012-02-10 Richard Guenther <rguenther@suse.de>
881 * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
883 2012-02-09 Peter Bergner <bergner@vnet.ibm.com>
886 * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
888 2012-02-09 Jakub Jelinek <jakub@redhat.com>
891 * var-tracking.c (emit_note_insn_var_location): If
892 EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
893 emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
894 non-NOTE_DURING_CALL_P insn.
896 2012-02-09 Bin Cheng <bin.cheng@arm.com>
899 * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
901 2012-02-08 Magnus Granberg <zorry@gentoo.org>
904 * gcc.c (switch_matches) Support switches with separated form,
907 2012-02-08 Georg-Johann Lay <avr@gjlay.de>
909 * config/avr/avr.md (SREG_ADDR): Remove constant definition.
912 * config/avr/avr.c (avr_addr_t): New typedef.
913 (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
914 (avr_init_expanders): Initialize it.
915 (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
917 (expand_epilogue): Ditto.
918 (avr_print_operand): Ditto.
919 (avr_file_start): Ditto.
920 (avr_emit_movmemhi): Ditto.
922 2012-02-08 Richard Guenther <rguenther@suse.de>
924 PR tree-optimization/46886
925 * tree-flow.h (do_while_loop_p): Declare.
926 * tree-ssa-loop-ch.c (do_while_loop_p): Export.
927 * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
929 2012-02-08 Andrew MacLeod <amacleod@redhat.com>
931 * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
932 always succeed for integers larger than a native word.
934 2012-02-08 Richard Guenther <rguenther@suse.de>
936 PR rtl-optimization/52170
937 * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
938 properly handle integer vector modes.
940 2012-02-08 Jakub Jelinek <jakub@redhat.com>
942 PR gcov-profile/52150
943 * coverage.c: Include target.h.
944 (build_var): Call targetm.strip_name_encoding on the assembler name.
945 Change one _ into . or $ if the target allows it.
946 * Makefile.in (coverage.o): Depend on $(TARGET_H).
948 PR rtl-optimization/52139
949 * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
950 is a BARRIER after emit_insn_after_noloc, move BB_END
951 to the last non-BARRIER insn before it.
953 2012-02-07 Richard Sandiford <rdsandiford@googlemail.com>
956 * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
957 (mips_gimplify_va_arg_expr): Call it instead of
958 std_gimplify_va_arg_expr.
960 2012-02-07 Michael Meissner <meissner@linux.vnet.ibm.com>
962 * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
963 message for -mno-pointers-to-nested-function.
965 2012-02-07 Eric Botcazou <ebotcazou@adacore.com>
968 * expr.c (get_inner_reference): If there is an offset, add a negative
969 bit position to it (if any).
971 2012-02-07 Jakub Jelinek <jakub@redhat.com>
973 PR rtl-optimization/52060
974 * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
975 copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
976 before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
977 and/or i0src_copy2 when needed.
979 2012-02-07 Jakub Jelinek <jakub@redhat.com>
981 * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
982 or LTOPLUGINSONAME if have_c.
984 * config/freebsd-spec.h: Add comment about what macros can be defined
986 (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
987 * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
990 2012-02-07 Richard Guenther <rguenther@suse.de>
992 * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
993 newline in -alias dumps.
995 2012-02-07 Kai Tietz <ktietz@redhat.com>
996 Dave Korn <dave.korn.cygwin@gmail.com>
999 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
1000 Take care that typinfo gets dllexport-attribute.
1002 2012-02-07 Jakub Jelinek <jakub@redhat.com>
1005 * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
1006 if modifier < EXPAND_SUM call force_operand on the result.
1008 2012-02-07 Joern Rennecke <joern.rennecke@embecosm.com>
1010 * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
1011 adding __forwarder_dst__ prefix if a forwarder_section attribute is
1013 (epiphany_function_type): Replace types for specific interrupts with
1014 EPIPHANY_FUNCTION_INTERRUPT.
1015 (EPIPHANY_INTERRUPT_P): Update.
1016 * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
1017 New static function.
1018 (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
1019 <disinterrupt>: Affects type identity.
1020 (epiphany_handle_interrupt_attribute): Handle variable number of
1022 (epiphany_compute_function_type): Update for new
1023 epiphany_function_type definition.
1024 (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
1025 handlers with a longcall forwarder.
1026 (epiphany_start_function): Handle multiple interrupt arguments and/or
1027 forwarder_section attribute.
1029 * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
1032 2012-02-07 Alan Modra <amodra@gmail.com>
1035 * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
1038 2012-02-06 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1040 PR tree-optimization/50969
1041 * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
1042 use vec_perm rather than vector_stmt.
1043 (vect_model_load_cost): Likewise.
1044 * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
1045 vec_perm to be the same as other vector statements.
1046 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
1047 cost of vec_perm for TARGET_VSX.
1049 2012-02-06 Richard Guenther <rguenther@suse.de>
1051 PR tree-optimization/52115
1052 * tree-sra.c (access_has_replacements_p): New function.
1053 (sra_modify_assign): Use it to decide whether a use is uninitialized.
1055 2012-02-06 Patrick Marlier <patrick.marlier@gmail.com>
1058 * trans-mem.c (expand_call_tm): Add an assertion.
1059 * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
1062 2012-02-06 Richard Guenther <rguenther@suse.de>
1064 PR tree-optimization/50955
1065 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
1066 raise cost of expressions that replace an address with an
1067 expression based on a different pointer.
1069 2012-02-06 Jakub Jelinek <jakub@redhat.com>
1072 * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
1073 CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
1075 2012-02-06 Jonathan Wakely <jwakely.gcc@gmail.com>
1078 * doc/invoke.texi (C++ Dialect Options): Use @option markup for
1079 -Weffc++ and specify guidelines come from second edition.
1081 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
1083 * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
1084 (sibcall_value_multiple_internal, call_split, call_internal_direct)
1085 (call_direct_split, call_value_split, call_value_internal_direct)
1086 (call_value_direct_split, call_value_multiple_split): Use jal and
1087 jal_macro attributes.
1089 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
1091 * reload1.c (reload_regs_reach_end_p): Replace with...
1092 (reload_reg_rtx_reaches_end_p): ...this function.
1093 (new_spill_reg_store): Update commentary.
1094 (emit_input_reload_insns): Don't clear new_spill_reg_store here.
1095 (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
1096 before setting new_spill_reg_store.
1097 (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
1098 Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
1099 Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
1100 for non-spill reload registers.
1102 2012-02-05 Ira Rosen <irar@il.ibm.com>
1104 PR tree-optimization/52091
1105 * tree-vectorizer.h (vect_is_simple_use): Add an argument.
1106 (vect_is_simple_use_1): Likewise.
1107 * tree-vect-loop.c (vectorizable_reduction): Update calls
1108 to vect_is_simple_use_1 and vect_is_simple_use.
1109 (vectorizable_live_operation): Likewise.
1110 * tree-vect-patterns.c (widened_name_p,
1111 vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
1112 * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
1113 vectorizable_call, vectorizable_conversion, vectorizable_assignment,
1114 vectorizable_shift,vectorizable_operation, vectorizable_store,
1115 vectorizable_load): Likewise.
1116 (vect_is_simple_cond): Add an argument, pass it to
1117 vect_is_simple_use_1.
1118 (vectorizable_condition): Update calls to vect_is_simple_cond,
1120 (vect_is_simple_use): Add an argument, the statement in which
1121 OPERAND is used. Check that if OPERAND's def stmt is a double
1122 reduction phi node, the use is a phi node too.
1123 (vect_is_simple_use_1): Add an argument, pass it to
1125 * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
1126 to vect_is_simple_use.
1128 2012-02-04 Jakub Jelinek <jakub@redhat.com>
1130 PR rtl-optimization/52095
1131 * modulo-sched.c (dump_insn_locator): New function.
1132 (loop_canon_p, sms_schedule): Use it.
1134 PR rtl-optimization/52113
1135 * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
1136 even for decomposable shift/zext insns.
1138 2012-02-03 Jakub Jelinek <jakub@redhat.com>
1139 Zdenek Dvorak <ook@ucw.cz>
1141 PR rtl-optimization/52092
1142 * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
1143 on get_iv_value result.
1145 2012-02-02 Andrew Pinski <apinski@cavium.com>
1149 * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
1151 2012-02-02 Jakub Jelinek <jakub@redhat.com>
1154 * diagnostic.c (diagnostic_finish): Remove trailing newlines.
1156 2012-02-02 Vladimir Makarov <vmakarov@redhat.com>
1158 PR rtl-optimization/49800
1159 * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
1160 (sched_finish): Call regstat_free_n_sets_and_refs.
1162 2012-02-02 Jia Liu <proljc@gmail.com>
1164 * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
1167 2012-02-02 Jan Hubicka <jh@suse.cz>
1168 Tom de Vries <tom@codesourcery.com>
1171 * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
1172 * varpool.c (varpool_analyze_pending_decls): Likewise.
1174 2012-02-02 Sumanth G <sumanth.gundapaneni@kpitcummins.com>
1175 Jayant R Sonar <jayant.sonar@kpitcummins.com>
1177 * config.gcc: Add cr16-* support.
1179 * doc/extend.texi: Document cr16 extensions.
1180 * doc/install.texi: Document cr16 install.
1181 * doc/invoke.texi: Document cr16 options.
1182 * doc/md.texi: Document cr16 constraints.
1184 * common/config/cr16/cr16-common.c: New file.
1185 * config/cr16/cr16.c: New file.
1186 * config/cr16/cr16.h: New file.
1187 * config/cr16/cr16.md: New file.
1188 * config/cr16/cr16.opt: New file.
1189 * config/cr16/cr16-protos.h: New file.
1190 * config/cr16/predicates.md: New file.
1191 * config/cr16/constraints.md: New file.
1192 * config/cr16/t-cr16: New file.
1194 2012-02-02 Jakub Jelinek <jakub@redhat.com>
1197 * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
1198 that operands[2] is either immediate, or q_regs_operand.
1200 PR tree-optimization/52073
1201 * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
1202 a pattern stmt for pattern uses, ignore uses outside of the loop.
1204 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
1206 * config/avr/avr.c: Resolve all AS1 and AS2 macros.
1207 * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
1208 (OUT_AS1, OUT_AS2): Remove.
1210 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
1212 PR rtl-optimization/51374
1213 * combine.c (can_combine_p): Don't allow volatile_refs_p insns
1214 to cross other volatile_refs_p insns.
1216 2012-02-01 Richard Guenther <rguenther@suse.de>
1218 * doc/invoke.texi (fno-inline): Clarify documentation.
1219 (finline-small-functions): Likewise.
1220 (finline-functions): Likewise.
1221 * common.opt (finline): Adjust comment and documentation.
1222 (finline-small-functions): Clarify documentation.
1223 (finline-functions): Likewise.
1224 (finline-functions-called-once): Likewise.
1226 2012-02-01 Tristan Gingold <gingold@adacore.com>
1228 * c-typeck.c (composite_type): Keep mode for pointers.
1230 2012-01-31 Richard Sandiford <rdsandiford@googlemail.com>
1232 * function.h (regno_reg_rtx): Adjust comment.
1233 * reginfo.c (init_reg_modes_target): Only use the previous mode
1234 if it fits within one register. Remove MIPS comment.
1236 2012-01-31 Jakub Jelinek <jakub@redhat.com>
1239 * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
1241 2012-01-31 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1243 * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
1244 to srak instruction.
1246 2012-01-31 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1248 * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
1250 2012-01-31 Jakub Jelinek <jakub@redhat.com>
1255 * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
1257 2012-01-31 Richard Guenther <rguenther@suse.de>
1259 PR tree-optimization/51528
1260 * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
1263 2012-01-31 Jakub Jelinek <jakub@redhat.com>
1268 * ree.c (add_removable_extension): Change def_map argument
1269 to unsigned *, store in def_map 1 + offset into *insn_list vector
1270 instead of pointers into the vector.
1271 (find_removable_extensions): Adjust caller.
1273 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
1275 * config/avr/avr.md: Resolve all AS1 and AS2 macros.
1276 Transform all "* quoted-c-code" to { c-code }.
1277 Remove redundant test for "optimize" in combine patterns.
1278 Move (include "avr-dimode.md") to end of file.
1280 2012-01-30 Bin Cheng <bin.cheng@arm.com>
1283 * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
1284 for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
1286 2012-01-30 Richard Guenther <rguenther@suse.de>
1288 PR tree-optimization/52028
1289 * tree-loop-distribution.c (ldist_gen): Properly update
1292 2012-01-30 Jakub Jelinek <jakub@redhat.com>
1295 * dwarf2out.c (dwarf2out_switch_text_section): Don't call
1296 set_cur_line_info_table if not emitting debug info.
1298 PR tree-optimization/52046
1299 * tree-vect-patterns.c (check_bool_pattern): Give up if
1300 a comparison could throw.
1303 * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
1305 2012-01-30 Richard Guenther <rguenther@suse.de>
1307 PR tree-optimization/52045
1308 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
1309 SSA form if cfgcleanup did anything.
1311 2012-01-30 Richard Guenther <rguenther@suse.de>
1313 PR tree-optimization/52045
1314 * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
1315 before computing final todo.
1317 2012-01-30 Richard Guenther <rguenther@suse.de>
1319 PR tree-optimization/51528
1320 * tree-sra.c (sra_modify_assign): Re-factor in preparation
1323 2012-01-30 Paolo Bonzini <bonzini@gnu.org>
1325 * df-problems.c (df_kill_notes): Check that the use refers
1326 to the note under examination.
1328 2012-01-30 Eric Botcazou <ebotcazou@adacore.com>
1331 * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
1332 parameter and use short-lived pseudos.
1333 (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
1334 (sparc_expand_vector_init): Const-ify local variables and adjust
1335 calls to above functions.
1337 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
1339 * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
1341 2012-01-29 Sandra Loosemore <sandra@codesourcery.com>
1343 * doc/invoke.texi: Make usage of "compile time" and
1344 "run time"/"runtime" consistent throughout the file.
1346 2012-01-29 Uros Bizjak <ubizjak@gmail.com>
1348 * config/alpha/alpha.c (alpha_option_override): Default to
1349 full IEEE compliance mode for Go language.
1351 2011-01-29 Tijl Coosemans <tijl@coosemans.org>
1353 * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
1354 (LINK_SSP_SPEC): Define.
1356 2012-01-28 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1359 * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
1362 2012-01-28 Sandra Loosemore <sandra@codesourcery.com>
1364 * doc/invoke.texi: Correct hyphenation of "floating point",
1365 "double precision", and related terminology throughout the file.
1367 2012-01-28 Jakub Jelinek <jakub@redhat.com>
1370 * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
1371 arm_general_register_operand predicate for operand 2 instead of
1374 2012-01-27 Ian Lance Taylor <iant@google.com>
1377 * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
1378 * builtins.c (expand_builtin_init_trampoline): Add onstack
1379 parameter. Change caller.
1380 (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
1381 * tree.c (build_common_builtin_nodes): Declare
1382 __builtin_init_heap_trampoline.
1384 2012-01-27 Georg-Johann Lay <avr@gjlay.de>
1386 * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
1387 tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
1388 * config/avr/avr.c: Ditto.
1389 (avr_regnames): Remove because unused.
1390 * config/avr/avr.md (*cpse.ne): New peephole.
1391 (*cpse.eq): New peephole from former cpse peepholes.
1393 2012-01-27 Michael Eager <eager@eagercon.com>
1395 * config/microblaze.c (microblaze_emit_compare): Correct
1396 test after pcmp instruction.
1398 2012-01-27 Richard Guenther <rguenther@suse.de>
1400 PR tree-optimization/52020
1401 * tree-sra.c (sra_modify_assign): Do not transform clobbers.
1403 2012-01-27 Richard Guenther <rguenther@suse.de>
1405 * ipa-pure-const.c (check_stmt): Clobbers do not make a
1406 function non-const/pure.
1408 2012-01-27 Richard Guenther <rguenther@suse.de>
1410 PR tree-optimization/50444
1411 * tree-sra.c (build_ref_for_offset): Properly adjust the
1412 MEM_REF type for unaligned accesses.
1414 2012-01-27 Richard Guenther <rguenther@suse.de>
1416 PR tree-optimization/50444
1417 * expr.c (mem_ref_refers_to_non_mem_p): New function.
1418 (expand_assignment): Use it. Properly handle misaligned
1419 bases when expanding stores to component references.
1420 (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
1423 2012-01-27 Andrey Belevantsev <abel@ispras.ru>
1426 * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
1427 * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
1428 * tree-data-ref.c (find_data_references_in_loop): Make static.
1429 (compute_all_dependences): Change return type to bool. Bail out
1430 for too many datarefs in a loop. Move the hunk resetting the data
1431 dependences vector from ...
1432 (compute_data_dependences_for_loop): ... here. Account for
1433 compute_all_dependences returning false.
1434 (compute_data_dependences_for_bb): Likewise.
1435 * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
1436 * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
1438 2012-01-27 Richard Guenther <rguenther@suse.de>
1441 * expr.c (store_field): Use the alias-set of the scratch memory
1444 2012-01-27 Tom de Vries <tom@codesourcery.com>
1446 PR tree-optimization/51990
1447 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
1449 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
1451 2012-01-27 Jakub Jelinek <jakub@redhat.com>
1454 * var-tracking.c (reverse_op): Don't add any reverse operation
1455 if V already has any constant locations.
1457 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
1459 * doc/invoke.texi: Correct usage of "command line" (noun)
1460 vs "command-line" (adjective) throughout.
1462 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
1464 * doc/invoke.texi (Language Independent Options): Move
1465 -Wcoverage-mismatch blurb from here....
1466 (Warning Options): ...to here.
1468 2012-01-27 Peter Bergner <bergner@vnet.ibm.com>
1470 * config/rs6000/rs6000.c (rs6000_option_override_internal):
1471 Set rs6000_always_hint to false for 476.
1473 2012-01-27 Matthias Klose <doko@ubuntu.com>
1475 * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
1477 * incpath.c (add_standard_paths): Likewise.
1479 2012-01-27 Richard Henderson <rth@redhat.com>
1481 * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
1482 * config/m68k/sync.md (atomic_test_and_set): Rename from
1483 sync_test_and_setqi and adjust the operands.
1484 (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
1485 and unconditionally enable.
1487 2012-01-27 Richard Henderson <rth@redhat.com>
1489 * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
1490 * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
1491 (ldstub): Rename from ldstubqi.
1492 (ldstub<I24MODE>): Remove.
1494 2012-01-27 Richard Henderson <rth@redhat.com>
1496 * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
1497 * c-cppbuiltin.c (cpp_atomic_builtins): Define
1498 __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
1499 * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
1500 * doc/tm.texi: Rebuild.
1502 2012-01-27 Richard Henderson <rth@redhat.com>
1504 * optabs.c (gen_atomic_test_and_set): Remove default.
1505 (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
1507 2012-01-26 Jakub Jelinek <jakub@redhat.com>
1509 PR rtl-optimization/51978
1510 * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
1511 (combine_reaching_defs): Likewise.
1512 (struct re_info): Remove.
1513 (add_removable_extension): Remove x and data arguments,
1514 add insn, insn_list and def_map. Use the arguments directly
1515 instead of using struct re_info.
1516 (find_removable_extensions): Don't call add_removable_extension
1517 through note_stores, instead just call it with single_set
1519 (find_and_remove_re): Pass curr_cand->expr instead of
1520 PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
1522 2012-01-26 Michael Matz <matz@suse.de>
1524 PR tree-optimization/46590
1525 * cfgexpand.c: Revert last change (r183305).
1526 * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
1528 * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
1529 checking for emptiness.
1531 2012-01-26 Jakub Jelinek <jakub@redhat.com>
1534 * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
1535 non-addressable non-BLKmode base correctly.
1537 2012-01-26 Michael Matz <matz@suse.de>
1539 PR tree-optimization/48794
1540 * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
1541 regions referenced from RESX/EH_DISPATCH.
1543 2012-01-26 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1545 * config/s390/s390.h: Make BRANCH_COST an option.
1546 * config/s390/s390.opt: New option -mbranch-cost.
1548 2012-01-26 Richard Henderson <rth@redhat.com>
1550 Revert 2012-01-24 change:
1551 * trans-mem.c (requires_barrier): Do not instrument thread local
1552 variables and emit save/restore for them.
1554 2012-01-25 Jakub Jelinek <jakub@redhat.com>
1557 * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
1560 2012-01-25 Richard Sandiford <rdsandiford@googlemail.com>
1562 * config/mips/mips.c (mips_small_data_pattern_1): Don't process
1565 2012-01-25 Georg-Johann Lay <avr@gjlay.de>
1568 Rename __pgm to __flash.
1569 Rename __pgm1 to __flash1.
1570 Rename __pgm2 to __flash2.
1571 Rename __pgm3 to __flash3.
1572 Rename __pgm4 to __flash4.
1573 Rename __pgm5 to __flash5.
1574 Rename __pgmx to __memx.
1575 * doc/extend.texi (AVR Named Address Spaces)
1576 Rename address space names as indicated above.
1577 * config/avr/avr.c (avr_addrspace): Ditto.
1579 * config/avr/avr-protos.h
1580 (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
1581 (avr_mem_pgm_p): Rename to avr_mem_flash_p.
1582 * config/avr/predicates.md: Ditto.
1583 * config/avr/avr.c Ditto, and
1584 (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
1585 (avr_decl_pgm_p): Rename to avr_decl_flash_p.
1587 * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
1588 (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
1589 (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
1590 (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
1591 (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
1592 (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
1593 (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
1594 * config/avr/avr.c: Ditto.
1595 * config/avr/avr.md: Ditto.
1597 2012-01-25 Jason Merrill <jason@redhat.com>
1600 * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
1602 2012-01-25 Jakub Jelinek <jakub@redhat.com>
1604 PR tree-optimization/51987
1605 * tree-data-ref.c (get_references_in_stmt): Handle references in
1606 non-volatile GIMPLE_ASM.
1608 2012-01-25 Richard Guenther <rguenther@suse.de>
1610 * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
1611 bases are dereferenced.
1613 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
1615 PR rtl-optimization/48374
1616 * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
1618 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
1620 * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
1621 compute_data_dependences_for_loop returns false.
1622 * tree-parloops.c (loop_parallel_p): Likewise.
1624 2012-01-25 Richard Guenther <rguenther@suse.de>
1626 * tree.h (get_pointer_alignment_1): Declare.
1627 * builtins.c (get_pointer_alignment_1): New function.
1628 (get_pointer_alignment): Use it.
1630 2012-01-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1632 PR rtl-optimization/48308
1633 * combine.c (enum undo_kind): Add UNDO_LINKS.
1634 (struct undo): Add member l to other_contents and where.
1635 (do_SUBST_LINK): New.
1637 (try_combine): Handle LOG_LINKS for the dummy i1 case.
1638 (undo_all): Handle UNDO_LINKS.
1640 2012-01-25 Richard Henderson <rth@redhat.com>
1642 * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
1645 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1647 * optabs.c (gen_atomic_test_and_set): Use each argument.
1649 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1651 * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
1652 (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
1653 (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
1654 (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
1655 (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
1656 TARGET_PAIRED_SINGLE_FLOAT.
1658 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1660 * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
1661 (in_struct, return_val): Remove MEM documentation.
1662 * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
1663 (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
1664 (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
1666 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
1667 * cfgexpand.c (add_alias_set_conflicts): Likewise.
1668 * expr.c (store_field): Likewise.
1669 * function.c (assign_stack_temp_for_type): Likewise.
1670 * ifcvt.c (noce_try_cmove_arith): Likewise.
1671 * reload1.c (reload): Likewise.
1672 * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
1673 (alpha_set_memflags): Likewise.
1674 * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
1676 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1678 * rtl.h (true_dependence, canon_true_dependence): Remove varies
1680 * alias.c (fixed_scalar_and_varying_struct_p): Delete.
1681 (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
1682 (true_dependence_1, true_dependence, canon_true_dependence): Remove
1684 * cselib.c (cselib_rtx_varies_p): Delete.
1685 (cselib_invalidate_mem): Update call to canon_true_dependence.
1686 * dse.c (record_store, check_mem_read_rtx): Likewise.
1687 (scan_reads_nospill): Likewise.
1688 * cse.c (check_dependence): Likewise.
1689 (cse_rtx_varies_p): Delete.
1690 * expr.c (safe_from_p): Update call to true_dependence.
1691 * ira.c (validate_equiv_mem_from_store): Likewise.
1692 (memref_referenced_p): Likewise.
1693 * postreload-gcse.c (find_mem_conflicts): Likewise.
1694 * sched-deps.c (sched_analyze_2): Likewise.
1695 * store-motion.c (load_kills_store): Likewise.
1696 * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
1697 * gcse.c (mems_conflict_for_gcse_p): Likewise.
1698 (compute_transp): Update call to canon_true_dependence.
1700 2012-01-25 Richard Henderson <rth@redhat.com>
1702 * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
1703 (maybe_emit_atomic_test_and_set): New.
1704 (expand_sync_lock_test_and_set): Use it.
1705 (expand_atomic_test_and_set): Likewise.
1706 * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
1707 the implementation; clarify implementation defined details.
1708 * doc/md.texi (atomic_test_and_set): Document.
1710 2012-01-25 Richard Henderson <rth@redhat.com>
1712 * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
1714 2012-01-25 Richard Henderson <rth@redhat.com>
1717 * config/arm/arm.c (neon_split_vcombine): Emit deleted note
1718 to effect no-op split.
1720 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
1723 * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
1724 (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
1725 (BT_FN_VOID_PTR_INT_SIZE): New.
1726 (BT_FN_UINT_UINT_VAR): Remove.
1727 (BT_FN_UINT32_UINT32_VAR): New.
1728 (BT_FN_DOUBLE_VPTR): Remove.
1729 (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
1731 * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
1732 (_ITM_changeTransactionMode): Same.
1733 (_ITM_memmoveRtWt): Change return type to void.
1734 (_ITM_memcpyRtWt): Same.
1735 (_ITM_memsetW): Same.
1736 (_ITM_RaRD): Change types to double.
1741 * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
1743 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
1744 Patrick Marlier <patrick.marlier@gmail.com>
1746 * trans-mem.c (requires_barrier): Do not instrument thread local
1747 variables and emit save/restore for them.
1749 2012-01-24 Jason Merrill <jason@redhat.com>
1752 * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
1753 output static aliases.
1755 2012-01-24 Jakub Jelinek <jakub@redhat.com>
1758 * common.opt (-pie, -shared, pie, shared): Change from Common to
1760 * gcc.c (display_help): Display help for -pie and -shared.
1762 2012-01-24 Georg-Johann Lay <avr@gjlay.de>
1765 * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
1766 Remove note on size/offset limitation.
1767 (AVR Variable Attributes): Add example how to read data located
1768 with progmem. Refer to named address spaces.
1769 * doc/invoke.texi (AVR Options): Fix typo.
1771 2012-01-24 Richard Guenther <rguenther@suse.de>
1773 Forward-port to trunk
1774 2010-09-21 Jakub Jelinek <jakub@redhat.com>
1777 * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
1778 op0 isn't sufficiently aligned and there is movmisalignM
1779 insn for mode, use it to load op0 into a temporary register.
1781 2012-01-24 Jakub Jelinek <jakub@redhat.com>
1784 * target.def (const_not_ok_for_debug_p): New hook.
1785 * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
1787 * doc/tm.texi: Regenerated.
1788 * dwarf2out.c (const_ok_for_output_1): If
1789 targetm.const_not_ok_for_debug_p returns true, fail.
1790 * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
1792 (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
1794 2012-01-23 Kai Tietz <ktietz@redhat.com>
1797 * config/i386/predicates.md (symbolic_operand): Allow
1798 UNSPEC_PCREL as PIC expression for lea.
1799 * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
1800 * config/i386/i386.c (ix86_delegitimize_address): Handle
1801 UNSPEC_PCREL for none-MEM, too.
1803 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
1805 * trans-mem.c (ipa_tm_create_version): Set externally_visible.
1806 (ipa_tm_create_version_alias): Same.
1808 2012-01-23 Uros Bizjak <ubizjak@gmail.com>
1811 * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
1812 * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
1814 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
1815 Patrick Marlier <patrick.marlier@gmail.com>
1816 Iain Sandoe <developer@sandoe-acoustics.co.uk>
1819 * lto-wrapper.c (run_gcc): Pass the LTO section name to
1820 simple_object_start_read.
1822 2012-01-23 Richard Guenther <rguenther@suse.de>
1825 PR tree-optimization/51895
1826 * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
1827 parameter decomposition into BLKmode components.
1829 2012-01-23 Eric Botcazou <ebotcazou@adacore.com>
1831 * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
1832 fake variables for restrict-qualified pointers whose pointed-to type
1833 contains a placeholder.
1835 2012-01-23 Richard Guenther <rguenther@suse.de>
1837 PR tree-optimization/51949
1838 * ipa-split.c (execute_split_functions): Do not split malloc functions.
1840 2012-01-23 Jakub Jelinek <jakub@redhat.com>
1842 PR rtl-optimization/51933
1843 * ree.c (transform_ifelse): Return true right away if dstreg is
1844 already wider or equal to cand->mode.
1845 (enum ext_modified_kind, struct ext_modified, ext_state): New types.
1846 (make_defs_and_copies_lists): Remove defs_list and copies_list
1847 arguments, add state argument, just truncate state->work_list
1848 instead of always allocating and freeing the vector. Assert that
1849 get_defs succeeds instead of returning 2. Changed return type to bool.
1850 (merge_def_and_ext): Add state argument. If SET_DEST doesn't
1851 have ext_src_mode, see if it has been modified already with the
1852 right kind of extension and has been extended before from the
1853 ext_src_mode. If SET_DEST is already wider or equal to cand->mode,
1854 just return true. Remember the original mode in state->modified array.
1855 (combine_reaching_defs): Add state argument. Don't allocate and
1856 free here def_list, copied_list and vec vectors, instead just
1857 VEC_truncate the vectors in *state. Don't handle outcome == 2 here.
1858 (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
1859 Add state variable, clear vectors in it, initialize state.modified
1860 if needed. Free all the vectors at the end and state.modified too.
1861 Don't skip a candidate if the extension expression has been modified.
1863 2012-01-22 Douglas B Rupp <rupp@gnat.com>
1866 * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
1867 configurations. Change triplet to i[34567]86-*-interix[3-9]*.
1868 (extra_options) interix.opt -> i386/interix.opt"
1869 (extra_objs):Add winnt-stubs.o
1870 * configure.ac: Add interix to target_os .comm on PE check.
1871 * configure: Regenerate.
1872 * config/interix3.h: Delete and move bits to..
1873 * config/interix.h: Delete and move bits to..
1874 * config/i386/i386-interix3.h: Delete and move bits to..
1875 * config/i386/i386-interix.h: ..here.
1876 (TARGET_CPU_DEFAULT): Remove redefinition.
1877 (TARGET_ASM_CONSTRUCTOR): Undefine.
1878 (SUBTARGET_SWITCHES): Define for ms-bitfields.
1879 (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
1880 (PTRDIFF_TYPE): Define.
1881 (LONG_DOUBLE_TYPE_SIZE): Define.
1882 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
1883 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
1884 (TARGET_SECTION_TYPE_FLAGS): Define.
1885 (ASM_DECLARE_FUNCTION_NAME): Define.
1886 (ASM_OUTPUT_EXTERNAL): Define.
1887 (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
1888 (ASM_OUTPUT_ALIGNED_BSS): Define.
1889 (PCC_BITFIELD_TYPE_MATTERS): Define.
1890 (USE_CONST_SECTION): Define.
1891 (SUBTARGET_ENCODE_SECTION_INFO): Remove.
1892 (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
1893 (SUPPORTS_ONE_ONLY): Remove.
1894 (I386_PE_STRIP_ENCODING): Define.
1895 * config/interix.opt: Delete and move bits to..
1896 * config/i386/interix.opt: ..here. New.
1897 (mpe-aligned-commons): Add.
1898 * config/i386/t-interix: Add copyright header.
1899 (winnt-stubs.o): Add rule.
1901 2012-01-22 Jason Merrill <jason@redhat.com>
1904 * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
1905 for extra name aliases.
1907 2012-01-22 Eric Botcazou <ebotcazou@adacore.com>
1909 PR rtl-optimization/51924
1910 * ree.c (combine_set_extension): Improve debugging message.
1911 (combine_reaching_defs): Likewise.
1912 (get_defs): Rename confusingly named variable.
1913 (find_and_remove_re): Skip a candidate if the extension expression has
1916 2012-01-21 Robert Millan <rmh@gnu.org>
1917 Gerald Pfeifer <gerald@pfeifer.com>
1919 * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
1920 (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
1922 2012-01-20 Jakub Jelinek <jakub@redhat.com>
1924 PR tree-optimization/51914
1925 * tree-vect-stmts.c (vectorizable_conversion): For
1926 cvt_type && modifier == WIDEN, put temporary with cvt_type
1927 at the beginning of vec_dsts and set vec_dest to temporary
1930 2012-01-20 Eric Botcazou <ebotcazou@adacore.com>
1932 * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
1934 2011-01-20 Tijl Coosemans <tijl@coosemans.org>
1936 * config/i386/i386.c: Fix checks for !TARGET_MACHO.
1937 * config/rs6000/rs6000.c: Likewise.
1939 2012-01-20 Jakub Jelinek <jakub@redhat.com>
1942 * config/arm/arm.c (arm_count_output_move_double_insns): Call
1943 output_move_double on a copy of operands array.
1945 2012-01-20 Cary Coutant <ccoutant@google.com>
1946 Dodji Seketeli <dodji@redhat.com>
1949 * dwarf2out.c (copy_declaration_context): Return ref to parent
1950 of declaration DIE, if necessary.
1951 (remove_child_or_replace_with_skeleton): Add new parameter; update
1952 caller. Place skeleton DIE under parent DIE of original declaration.
1953 Move call to copy_declaration_context to here ...
1954 (break_out_comdat_types): ... from here.
1956 2012-01-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1958 PR rtl-optimization/51856
1959 * reload.c (find_reloads_subreg_address): Set the address_reloaded
1962 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1965 * config/arm/arm.c (arm_print_operand): Correct output of alignment
1966 hints for neon loads and stores.
1968 2012-01-20 Georg-Johann Lay <avr@gjlay.de>
1972 * doc/extend.texi (Named Address Spaces): Split into subsections.
1973 (AVR Named Address Spaces): New subsection.
1974 (M32C Named Address Spaces): New subsection.
1975 (RL78 Named Address Spaces): New subsection.
1976 (SPU Named Address Spaces): New subsection.
1977 (Variable Attributes): New anchor "AVR Variable Attributes".
1978 (AVR Variable Attributes): Rewrite and avoid wording
1979 "address space" in this context.
1980 * doc/invoke.texi (AVR Options): Rewrite and add documentation
1981 for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
1982 (AVR Built-in Macros): New subsubsection therein.
1983 * doc/md.texi (AVR constraints): Remove "C04", "R".
1985 2012-01-20 Richard Guenther <rguenther@suse.de>
1987 PR tree-optimization/51903
1988 * tree-ssa-pre.c (eliminate): Properly purging of EH edges
1989 when removing stmts.
1991 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1994 * config/arm/arm.c (arm_load_pic_register): Use
1995 gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
1996 , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
1997 (arm_pic_static_addr): Likewise.
1998 (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
1999 (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
2000 * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
2001 (pic_load_addr_unified): New.
2003 2012-01-20 Andrey Belevantsev <abel@ispras.ru>
2006 * function.c (instantiate_virtual_regs_in_insn): Use
2007 delete_insn_and_edges when removing a wrong asm insn.
2009 2012-01-19 Vladimir Makarov <vmakarov@redhat.com>
2011 PR rtl-optimization/40761
2012 * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
2013 Add new member loop_num.
2014 (IRA_LOOP_NODE_BY_INDEX): Modify the check.
2015 (ira_build): Remove the parameter.
2017 * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
2018 (ira.c): Do not build CFG loops for one region allocation. Remove
2019 argument from ira_build call.
2021 * ira-build.c (init_loop_tree_node): New function.
2022 (create_loop_tree_nodes): Use it. Separate the case when CFG
2023 loops are not built.
2024 (more_one_region_p): Check current_loops.
2025 (finish_loop_tree_nodes): Separate the case when CFG loops are not
2027 (add_loop_to_tree): Process loop equal to NULL too.
2028 (form_loop_tree): Separate the case when CFG loops are not built.
2029 Use explicitly number for the root.
2030 (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
2032 (ira_print_expanded_allocno, loop_compare_func): Use loop_num
2033 instead of loop->num.
2034 (mark_loops_for_removal): Ditto. Use loop_num instead of loop->num.
2035 (mark_all_loops_for_removal): Ditto.
2036 (remove_unnecessary_regions): Separate the case when CFG loops
2038 (ira_build): Remove the parameter. Use explicit number of regions
2039 when CFG loops are not built.
2041 * ira-color.c (print_loop_title): Separate the case for the root node.
2042 Use loop_num instead of loop->num.
2043 (move_spill_restore): Use loop_num instead of loop->num.
2045 * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
2046 (change_loop): Ditto.
2047 (change_loop): Use loop_num instead of loop->num.
2049 * ira-lives.c (process_bb_node_lives): Ditto.
2051 * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
2053 * ira-conflicts.c (print_allocno_conflicts): Ditto.
2055 2012-01-19 Jakub Jelinek <jakub@redhat.com>
2058 * tree-mudflap.c (mf_artificial): New function.
2059 (execute_mudflap_function_ops, execute_mudflap_function_decls,
2060 mx_register_decls, mudflap_enqueue_decl): Use it.
2063 * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
2064 numbers in the insn pattern.
2066 2012-01-19 Michael Matz <matz@suse.de>
2068 PR tree-optimization/46590
2069 * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
2070 use it in remembering which conflicts we already created.
2071 (add_scope_conflicts): Adjust call to above, (de)allocate helper
2074 2012-01-19 Aldy Hernandez <aldyh@redhat.com>
2077 * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
2078 (merge_and_complain): Same.
2080 2012-01-19 Jakub Jelinek <jakub@redhat.com>
2083 * config/initfini-array.h: Guard content of the header
2084 with #ifdef HAVE_INITFINI_ARRAY.
2085 * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
2086 Add initfini-array.h to tm_file here.
2087 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
2088 * config.gcc: Don't add initfini-array.h to tm_file here.
2089 * configure: Regenerated.
2091 2012-01-19 Andrey Belevantsev <abel@ispras.ru>
2093 PR rtl-optimization/51505
2094 * df-problems.c (df_kill_notes): New parameter live. Update comment.
2095 Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
2096 (df_note_bb_compute): Update the call to df_kill_notes.
2098 2012-01-18 Aldy Hernandez <aldyh@redhat.com>
2100 * trans-mem.c (requires_barrier): Remove call to is_global_var.
2102 2012-01-18 Richard Guenther <rguenther@suse.de>
2104 * tree-ssa.c (useless_type_conversion_p): Remove special-casing
2105 of conversions to void *.
2107 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2108 Richard Sandiford <rdsandiford@googlemail.com>
2112 * optabs.h (simplify_expand_binop): Declare.
2113 * optabs.c (simplify_expand_binop): Make global.
2114 * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
2115 endian targets if the source cannot be exactly covered by word
2118 2012-01-17 Jakub Jelinek <jakub@redhat.com>
2121 * hard-reg-set.h (struct hard_reg_set_container): New type.
2122 * target.h (struct hard_reg_set_container): Forward declare.
2123 * target.def (set_up_by_prologue): New target hook.
2124 * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
2125 * doc/tm.texi: Regenerated.
2126 * function.c (thread_prologue_and_epilogue_insns): Change
2127 set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
2128 Call targetm.set_up_by_prologue on it.
2129 * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
2130 (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
2132 2012-01-17 Nick Clifton <nickc@redhat.com>
2134 * config/rx/rx.c (rx_can_use_simple_return): New function.
2135 * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
2136 * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
2138 2012-01-17 Richard Guenther <rguenther@suse.de>
2141 * expr.c (expand_assignment): Take address-space information
2142 from the address operand of MEM_REF and TARGET_MEM_REF.
2143 (expand_expr_real_1): Likewise.
2145 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2147 * ira.c (do_reload): Make sure ira_dump_file is re-set if no
2148 reload dump is requested.
2150 2012-01-17 Aldy Hernandez <aldyh@redhat.com>
2153 * trans-mem.c (requires_barrier): Call may_be_aliased.
2155 2012-01-17 Jakub Jelinek <jakub@redhat.com>
2157 PR tree-optimization/51877
2158 * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
2159 call arguments and fndecls compare equal, instead return false if they
2160 don't. Return true only if lhs1 and lhs2 are either both NULL, or
2161 both SSA_NAMEs that are valueized the same, or they satisfy
2164 2012-01-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2166 * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
2168 * configure: Regenerate.
2170 2012-01-16 Jan Hubicka <jh@suse.cz>
2174 * convert.c (convert_to_integer): Use fold_convert for
2175 converting an INTEGER_CST to integer type.
2177 2012-01-16 Jason Merrill <jason@redhat.com>
2180 * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
2182 2012-01-16 Jakub Jelinek <jakub@redhat.com>
2185 * config/s390/s390.c (s390_chunkify_start): Don't skip
2186 call insns followed by NOTE_INSN_CALL_ARG_LOCATION note. Skip
2187 NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
2188 If insn is followed by NOTE_INSN_VAR_LOCATION or
2189 NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
2190 Don't use location of note insns.
2192 PR tree-optimization/51865
2193 * tree-inline.c (tree_function_versioning): Call remap_decl
2194 on DECL_RESULT whenever it has VOID_TYPE_P type.
2196 2012-01-15 Richard Sandiford <rdsandiford@googlemail.com>
2198 * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
2199 for calls to locally-binding MIPS16 functions if only the return
2200 type uses float regs.
2202 2012-01-15 Chung-Lin Tang <cltang@codesourcery.com>
2203 Richard Sandiford <rdsandiford@googlemail.com>
2205 * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
2206 (SYMBOL_32_HIGH): Likewise.
2207 (mips_output_tls_reloc_directive): Declare.
2208 * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
2209 (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
2210 * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
2211 (mips_lo_relocs, mips_hi_relocs): Make extern.
2212 (mips16_stub_function): Move up file.
2213 (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
2214 (mips_symbolic_constant_p): Likewise. Remove SYMBOL_32_HIGH too.
2215 (mips_symbol_insns_1): Likewise. Check mips_use_pcrel_pool_p.
2216 (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
2217 SYMBOL_FORCE_TO_MEM. Only check mips_tls_symbol_ref_1 if it's false.
2218 (mips_get_tp): Add MIPS16 support.
2219 (mips_legitimize_tls_address): Remove MIPS16 sorry().
2220 Generalize DTPREL and TPREL handling.
2221 (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
2222 Add MIPS16 TLS support.
2223 (mips_output_tls_reloc_directive): New function.
2224 (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
2225 * config/mips/predicates.md (symbolic_operand_with_high)
2226 (tls_reloc_operand): New predicates.
2227 (force_to_mem_operand): Use mips_use_pcrel_pool_p.
2228 * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
2229 (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
2230 (*unshifted_high): New instruction. Use it for MIPS16 high splitter.
2231 (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
2232 (*tls_get_tp_mips16_call_<mode>): Likewise.
2234 2012-01-15 Uros Bizjak <ubizjak@gmail.com>
2236 PR rtl-optimization/51821
2237 * recog.c (peep2_find_free_register): Determine clobbered registers
2240 2012-01-14 Denis Chertykov <chertykov@gmail.com>
2243 * config/avr/avr-protos.h: Revert change of 2012-01-09.
2244 * config/avr/avr.c: Likewise.
2245 * config/avr/avr.h: Likewise.
2247 2012-01-13 Ian Lance Taylor <iant@google.com>
2250 * tree.h (TYPE_QUALS): Add cast to int.
2251 (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
2253 2012-01-13 Ian Lance Taylor <iant@google.com>
2255 * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
2256 comparing param_index to VEC_length result.
2258 2012-01-13 Steven Bosscher <steven@gcc.gnu.org>
2260 * c-decl.c: Do not include tree-mudflap.h
2261 * tree-optimize.c: Likewise.
2262 * Makefile.in: Update dependencies.
2264 2012-01-13 Richard Guenther <rguenther@suse.de>
2267 * gimplify.c (gimplify_modify_expr_rhs): For calls with a
2268 variable-sized result always use RSO.
2270 2012-01-12 DJ Delorie <dj@redhat.com>
2272 * cfgexpand.c (convert_debug_memory_address): Allow any valid
2273 pointer type, not just the default pointer type.
2275 2012-01-09 Richard Henderson <rth@redhat.com>
2276 Denis Chertykov <chertykov@gmail.com>
2279 * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
2280 * config/avr/avr.c (avr_can_eliminate): Simplify.
2281 (avr_initial_elimination_offset): Likewise.
2282 (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
2283 (expand_epilogue): Likewise.
2284 (avr_legitimize_address): Gut.
2285 (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
2286 (avr_hard_regno_nregs): New.
2287 (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
2288 (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
2289 * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
2290 add soft frame pointer.
2291 (CALL_USED_REGISTERS): Likewise.
2292 (REG_CLASS_CONTENTS): Likewise.
2293 (REGISTER_NAMES): Likewise.
2294 (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
2295 (HARD_FRAME_POINTER_REGNUM): New.
2296 (FRAME_POINTER_REGNUM): Use soft frame pointer.
2297 (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
2298 remove the HARD_FRAME_POINTER self-elimination.
2300 2012-01-12 Georg-Johann Lay <avr@gjlay.de>
2303 * config/avr/avr.c (avr_encode_section_info): Test for absence of
2304 DECL_EXTERNAL when checking for initializers of progmem variables.
2306 2012-01-12 Ira Rosen <irar@il.ibm.com>
2308 PR tree-optimization/51799
2309 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
2310 that the last operation is a type demotion.
2312 2012-01-12 Uros Bizjak <ubizjak@gmail.com>
2314 * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
2315 (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
2317 2012-01-11 Jakub Jelinek <jakub@redhat.com>
2320 * combine.c (distribute_notes): If i3 is a noreturn call,
2321 allow old_size to be equal to args_size and make sure the
2322 noreturn call gets REG_ARGS_SIZE note.
2323 * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
2324 on noreturn calls even when the delta is 0.
2326 2012-01-11 Nathan Sidwell <nathan@acm.org>
2328 * gcov.c (STRING_SIZE): Remove.
2329 (generate_results): Erase annotations for source files with no
2330 coverage information.
2332 (output_lines): Use it.
2334 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
2336 * gimple.h (gimplify_body): Remove first argument.
2337 * gimplify.c (copy_if_shared): Add DATA argument. Do not create the
2338 pointer set here, instead just pass DATA to walk_tree.
2339 (unshare_body): Remove BODY_P argument and adjust. Create the pointer
2340 set here and invoke copy_if_shared on the size trees of DECL_RESULT.
2341 (unvisit_body): Likewise, but with unmark_visited.
2342 (gimplify_body): Remove BODY_P argument and adjust.
2343 (gimplify_function_tree): Adjust call to gimplify_body.
2344 * omp-low.c (finalize_task_copyfn): Likewise.
2346 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
2348 * tree.h (build_function_decl_skip_args): Add boolean parameter.
2349 (build_function_type_skip_args): Delete.
2350 * tree.c (build_function_type_skip_args): Make static and add
2351 SKIP_RETURN parameter. Fix thinko in the handling of variants.
2352 (build_function_decl_skip_args): Add SKIP_RETURN parameter and
2353 pass it to build_function_type_skip_args.
2354 * cgraph.h (cgraph_function_versioning): Add boolean parameter.
2355 (tree_function_versioning): Likewise.
2356 * cgraph.c (cgraph_create_virtual_clone): Adjust call to
2357 build_function_decl_skip_args.
2358 * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
2359 and pass it to build_function_decl_skip_args/tree_function_versioning.
2360 (cgraph_materialize_clone): Adjust call to tree_function_versioning.
2361 * ipa-inline-transform.c (save_inline_function_body): Likewise.
2362 * trans-mem.c (ipa_tm_create_version): Likewise.
2363 * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
2364 * tree-inline.c (declare_return_variable): Remove always-true test.
2365 (tree_function_versioning): Add SKIP_RETURN parameter. If the function
2366 returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
2367 * ipa-split.c (split_function): Skip the return value for the split
2368 part if it doesn't return.
2370 2012-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
2372 PR tree-optimization/49642
2373 * ipa-split.c (forbidden_dominators): New variable.
2374 (check_forbidden_calls): New function.
2375 (dominated_by_forbidden): Likewise.
2376 (consider_split): Check for forbidden dominators.
2377 (execute_split_functions): Initialize and free forbidden
2378 dominators info; call check_forbidden_calls.
2380 2012-01-11 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
2382 * config/arm/arm.md (mov_notscc): Use MVN for false condition.
2384 2012-01-11 Nick Clifton <nickc@redhat.com>
2386 * config/rx/rx.md (return): Define pattern.
2388 2012-01-11 Richard Guenther <rguenther@suse.de>
2390 * doc/extend.texi (malloc attribute): Adjust according to
2393 2012-01-10 Aldy Hernandez <aldyh@redhat.com>
2394 Patrick Marlier <patrick.marlier@gmail.com>
2397 * trans-mem.c (get_cg_data): Traverse aliases if requested.
2398 (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
2399 (ipa_tm_note_irrevocable): Same.
2400 (ipa_tm_scan_irr_block): Same.
2401 (ipa_tm_decrement_clone_counts): Same.
2402 (ipa_tm_scan_irr_function): Same.
2403 (ipa_tm_create_version_alias): Same.
2404 (ipa_tm_create_version): Same.
2405 (ipa_tm_transform_calls_redirect): Same.
2406 (ipa_tm_transform_calls): Same.
2407 (ipa_tm_transform_transaction): Same.
2408 (ipa_tm_execute): Same.
2410 2012-01-10 Richard Guenther <rguenther@suse.de>
2413 * opts.c (common_handle_option): Handle -Werror.
2415 2012-01-10 Andreas Schwab <schwab@linux-m68k.org>
2417 * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
2420 2012-01-10 Jason Merrill <jason@redhat.com>
2422 * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
2425 2012-01-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2427 * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
2428 supports R_386_TLS_GD_PLT reloc.
2429 (gcc_cv_as_ix86_tlsldmplt): Check if linker
2430 supports R_386_TLS_LDM_PLT reloc.
2431 * configure: Regenerate.
2432 * config.in: Regenerate.
2434 2012-01-10 Georg-Johann Lay <avr@gjlay.de>
2437 Extend __pgmx semantics to linearize memory.
2438 * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
2439 determine if code comes inline or from libgcc.
2440 (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
2441 (movmem_qi, movmem_qi): Set constraint #2 to "n".
2442 (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
2443 (movmemx_qi, movmemx_hi): New insns.
2444 (xload_<mode>_libgcc): Rewrite to new insn condition.
2445 (xload_<mode>): Remove insns.
2446 * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
2447 cases that don't satisfy avr_xload_libgcc_p().
2448 (avr_addr_space_convert): Allow converting in any direction.
2449 (avr_addr_space_subset_p): Return always true.
2450 (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
2451 (avr_emit_movmemhi): Ditto.
2452 (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
2453 (avr_out_movmem): Ditto.
2454 (AVR_SYMBOL_FLAG_PROGMEM): New macro.
2455 (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
2456 (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
2457 (avr_encode_section_info): Encode 'progmem' in symbol flags.
2458 (output_reload_in_const): Don't zero-extend any 24-bit symbols.
2460 2012-01-10 Richard Guenther <rguenther@suse.de>
2462 PR tree-optimization/50913
2463 * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
2464 Require data-refs to be representable by Graphite with respect
2467 2012-01-10 Uros Bizjak <ubizjak@gmail.com>
2469 * config/i386/constraints.md ("L"): Return true for 0xffffffff.
2470 * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
2472 2012-01-10 Tom de Vries <tom@codesourcery.com>
2474 PR rtl-optimization/51271
2475 * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
2476 handling annulled branch.
2478 2012-01-10 Richard Henderson <rth@redhat.com>
2480 * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
2481 TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
2482 struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
2483 arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
2484 arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
2485 arm_expand_vec_perm_const): New.
2486 * config/arm/arm-protos.h: Update.
2487 * config/arm/neon.md (UNSPEC_VCONCAT): New.
2488 (*neon_vswp<VDQX>): New.
2489 (neon_vcombine<VDX>): Use neon_split_vcombine.
2490 (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
2491 * config/arm/vec-common.md (vec_perm_const<VALL>): New.
2492 (vec_perm<VE>): New.
2494 2012-01-10 Richard Henderson <rth@redhat.com>
2496 * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
2497 use it if reload_completed.
2498 (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
2499 arm_output_asm_insn, arm_process_output_memory_barrier,
2500 arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
2501 arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
2502 arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
2503 arm_process_output_sync_insn, arm_output_sync_insn,
2504 arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
2505 (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
2506 (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
2507 (emit_unlikely_jump): New.
2508 (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
2509 (arm_split_atomic_op): New.
2510 * config/arm/arm-protos.h: Update.
2511 * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
2512 (struct arm_sync_generator): Remove.
2513 * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
2514 VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
2515 (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
2516 (VUNSPEC_LL, VUNSPEC_SC): New.
2517 (sync_result, sync_memory, sync_required_value, sync_new_value,
2518 sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
2519 (attr length): Don't use arm_sync_loop_insns.
2520 (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
2521 (movsfcc, movdfcc): Likewise.
2522 * config/arm/constraints.md (Ua): New.
2523 * config/arm/prediates.md (mem_noofs_operand): New.
2524 (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
2525 (sync_clobber, sync_t2_reqd): Remove.
2526 (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
2527 (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
2528 (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
2529 (arm_sync_compare_and_swap<SIDI>): Remove.
2530 (arm_sync_compare_and_swap<NARROW>): Remove.
2531 (arm_sync_lock_test_and_set<SIDI>): Remove.
2532 (arm_sync_lock_test_and_set<NARROW>): Remove.
2533 (arm_sync_new_<syncop><SIDI>): Remove.
2534 (arm_sync_new_<syncop><NARROW>): Remove.
2535 (arm_sync_new_nand<SIDI>): Remove.
2536 (arm_sync_new_nand<NARROW>): Remove.
2537 (arm_sync_old_<syncop><SIDI>): Remove.
2538 (arm_sync_old_<syncop><NARROW>): Remove.
2539 (arm_sync_old_nand<SIDI>): Remove.
2540 (arm_sync_old_nand<NARROW>): Remove.
2541 (*memory_barrier): Merge arm_output_memory_barrier.
2542 (atomic_compare_and_swap<QHSD>): New.
2543 (atomic_compare_and_swap<NARROW>_1): New.
2544 (atomic_compare_and_swap<SIDI>_1): New.
2545 (atomic_exchange<QHSD>): New.
2546 (cas_cmp_operand, cas_cmp_str): New.
2547 (atomic_op_operand, atomic_op_str): New.
2548 (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
2549 (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
2550 (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
2551 (arm_load_exclusive<NARROW>): New.
2552 (arm_load_exclusivesi, arm_load_exclusivedi): New.
2553 (arm_store_exclusive<QHSD>): New.
2555 2012-01-09 Michael Meissner <meissner@linux.vnet.ibm.com>
2557 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
2558 reload patterns if -mvsx-scalar-memory.
2560 * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
2561 generated, even -mno-vsx-scalar-double was used.
2562 (vsx_xscvdpsp_scalar): Likewise.
2563 (vsx_xscvspdp_scalar2): Likewise.
2565 2012-01-09 Tom de Vries <tom@codesourcery.com>
2566 Andrew Pinski <apinski@cavium.com>
2569 * reorg.c (fill_slots_from_thread): Don't speculate
2570 frame-related insns.
2572 2012-01-09 Richard Sandiford <rdsandiford@googlemail.com>
2574 * sched-int.h (bb_note): Move to...
2575 * basic-block.h: ...here.
2576 * haifa-sched.c (bb_note): Move to...
2577 * cfgrtl.c: ...here.
2578 * function.c (next_block_for_reg): New function.
2579 (move_insn_for_shrink_wrap): Likewise.
2580 (prepare_shrink_wrap): Rewrite to use the above.
2582 2012-01-09 Aldy Hernandez <aldyh@redhat.com>
2584 * gimple.c (is_gimple_non_addressable): Remove.
2585 * gimple.h: Remove is_gimple_non_addressable.
2586 * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
2587 is_gimple_non_addressable.
2588 * trans-mem.c (expand_assign_tm): Same.
2590 2012-01-09 Richard Guenther <rguenther@suse.de>
2592 PR tree-optimization/51775
2593 * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
2594 * tree-ssa-pre.c (eliminate): Properly fixup EH info.
2596 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
2598 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
2600 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
2602 2012-01-09 Richard Guenther <rguenther@suse.de>
2604 * tree-streamer-out.c (write_ts_optimization): Fix spelling.
2606 2012-01-08 Jan Hubicka <jh@suse.cz>
2608 PR tree-optimize/51680
2609 * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
2610 on when known_vals needs to be computed; cleanup.
2612 2012-01-08 Jan Hubicka <jh@suse.cz>
2614 PR tree-optimize/51694
2615 * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
2617 2012-01-08 Jonathan Wakely <jwakely.gcc@gmail.com>
2619 * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
2620 for -std=c++98 and -std=c++11 too.
2622 2012-01-08 Chung-Lin Tang <cltang@codesourcery.com>
2624 * cfgloop.c (cancel_loop): Add free() of bbs array.
2626 2012-01-07 Jan Hubicka <jh@suse.cz>
2628 PR tree-optimization/51600
2629 * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
2630 that benefits small functions.
2632 2012-01-07 Jan Hubicka <jh@suse.cz>
2634 * ipa-inline.c (want_inline_small_function_p): Fix formating.
2636 2012-01-07 Jan Hubicka <jh@suse.cz>
2638 PR tree-optimization/51680
2639 * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
2640 whose inlining reduce unit size.
2642 2012-01-07 Alexandre Oliva <aoliva@redhat.com>
2645 * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
2646 Add canonical node to containing_mem chain after the non-canonical
2647 one, even if there weren't any locs to propagate.
2648 (remove_useless_values): Keep only canonical values.
2649 (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
2650 (cselib_invalidate_mem): Likewise. Ensure v is canonical, and
2651 canonicalize mem_chain elements that are not discarded.
2653 2012-01-06 Jakub Jelinek <jakub@redhat.com>
2656 * cgraphunit.c (cgraph_optimize): Call output_weakrefs
2657 before emitting functions.
2659 PR gcov-profile/50127
2660 * bb-reorder.c (partition_hot_cold_basic_blocks): Call
2661 clear_aux_for_blocks.
2663 2012-01-06 Alexandre Oliva <aoliva@redhat.com>
2666 * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
2668 2012-01-06 Arnaud Charlet <charlet@adacore.com>
2670 * c-decl.c (ext_block): Moved up.
2671 (collect_all_refs, for_each_global_decl): Take ext_block into account.
2673 2012-01-06 Han Shen <shenhan@google.com>
2675 Translate built-in include paths for sysroot.
2676 * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
2677 (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
2679 * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
2680 GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
2682 * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
2683 control whether sysroot should be prepended to gxx include dir.
2685 * configure: Regenerate.
2687 2012-01-06 Torvald Riegel <triegel@redhat.com>
2689 PR rtl-optimization/51771
2690 * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
2691 * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
2693 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
2695 PR tree-optimization/51315
2696 * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
2697 (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
2699 2012-01-05 Uros Bizjak <ubizjak@gmail.com>
2702 * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
2703 for shrp pattern. Correctly handle and fixup shift variable.
2704 Return false when shift > nelt for BYTES_BIG_ENDIAN target.
2706 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2709 * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
2710 note when !ACCUMULATE_OUTGOING_ARGS.
2712 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
2714 * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
2716 (extract_range_from_unary_expr_1): Avoid useless computations.
2718 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2720 PR rtl-optimization/51767
2721 * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
2722 of jump_block and add an extra edge for degenerated asm gotos.
2725 * stmt.c (check_unique_operand_names): Don't ICE during error
2726 reporting if i is from labels chain.
2729 * profile.c (branch_prob): Split bbs that have exit edge
2730 and need a fake entry edge too.
2732 2012-01-05 Jan Hubicka <jh@suse.cz>
2735 * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
2738 2012-01-05 Richard Guenther <rguenther@suse.de>
2741 * tree-streamer-out.c (write_ts_optimization): New function.
2742 (streamer_write_tree_body): Call it.
2743 * tree-streamer-in.c (lto_input_ts_optimization): New function.
2744 (streamer_read_tree_body): Call it.
2745 * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
2747 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2750 * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
2751 * gimplify.c (gimplify_cleanup_point_expr): Save and set
2752 in_cleanup_point_expr before gimplify_stmt call and restore it
2754 (gimplify_target_expr): Don't add {CLOBBER} cleanup if
2755 in_cleanup_point_expr is false.
2757 2012-01-05 Richard Guenther <rguenther@suse.de>
2760 * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
2762 * toplev.c (process_options): Reject combining mudflap and LTO.
2763 * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
2765 2012-01-05 Richard Guenther <rguenther@suse.de>
2767 PR tree-optimization/51760
2768 * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
2770 (bit_value_unop): Handle UNDEFINED operands.
2771 (bit_value_binop): Likewise.
2773 2012-01-05 Georg-Johann Lay <avr@gjlay.de>
2775 * config/avr/avr.c (avr_replace_prefix): Remove.
2776 (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
2777 (avr_asm_function_rodata_section): Ditto.
2778 (avr_asm_select_section): Ditto.
2780 2012-01-05 Marcus Shawcroft <marcus.shawcroft@arm.com>
2782 * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
2785 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2788 * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
2789 calls that have any non-fake successor edges.
2792 * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
2794 2012-01-04 Eric Botcazou <ebotcazou@adacore.com>
2796 PR tree-optimization/51624
2797 * tree-sra.c (build_ref_for_model): When replicating a chain of
2798 COMPONENT_REFs, stop as soon as the offset would become negative.
2800 2012-01-04 Jakub Jelinek <jakub@redhat.com>
2803 * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
2804 in .debug_loc on the floor.
2806 2012-01-04 Andrew Pinski <apinski@cavium.com>
2808 * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
2810 2012-01-04 Andrew Pinski <apinski@cavium.com>
2811 Adam Nemet <anemet@caviumnetworks.com>
2813 * config/mips/mips.md (size): Add SI and DI.
2814 (SIZE): New mode attribute.
2815 (U): New code attribute.
2816 * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
2817 (mips_lbux_<mode>): Delete.
2818 (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
2819 (mips_lhx): Use gen_mips_lhx_extsi.
2820 (mips_lhx_<mode>): Delete.
2822 (mips_l<size>x): New expand.
2823 (mips_lwx_<mode>): Delete.
2824 (mips_l<GPR:size>x_<P:mode>): New pattern.
2825 (*mips_lw<u>x_<P:mode>_ext): Likewise.
2826 * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
2827 * config/mips/mips.c (mips_lx_address_p): New function.
2828 (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
2829 (dsp64): New availability predicate.
2830 (mips_builtins): Add an entry for __builtin_mips_ldx.
2831 * config/mips/mips.h (ISA_HAS_LBX): New define.
2832 (ISA_HAS_LBUX): Likewise.
2833 (ISA_HAS_LHX): Likewise.
2834 (ISA_HAS_LHUX): Likewise.
2835 (ISA_HAS_LWX): Likewise.
2836 (ISA_HAS_LWUX): Likewise.
2837 (ISA_HAS_LDX): Likewise.
2838 * doc/extend.texi (__builtin_mips_ldx): Document.
2840 2012-01-04 Tristan Gingold <gingold@adacore.com>
2842 * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
2843 when long pointers are used.
2844 * config.build (*-*-*vms*): Handle all OpenVMS targets.
2845 (alpha64-dec-*vms*, alpha*-dec-*vms*)
2846 (ia64-hp-*vms*): Remove.
2847 * config/vms/xm-vms64.h: Delete.
2849 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
2852 * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
2854 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
2856 * opts.c (finish_options): Remove duplicate sorry.
2858 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
2861 * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
2864 2012-01-04 Richard Guenther <rguenther@suse.de>
2867 * tree.c (size_low_cst): New function.
2868 * tree.h (size_low_cst): Declare.
2869 * fold-const.c (fold_comparison): Use it to extract the low
2870 part of the POINTER_PLUS_EXPR offset.
2872 2012-01-04 Georg-Johann Lay <avr@gjlay.de>
2874 Fix clearing ZERO_REG
2875 * config/avr/avr.md (cc): Add alternative "ldi".
2876 (movqi_insn): Use it in cc attribute.
2877 * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
2878 (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
2879 (output_reload_insisf): Use ZERO_REG to pre-clear register.
2881 2012-01-04 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2883 * configure: Regenerate.
2885 2012-01-04 Richard Guenther <rguenther@suse.de>
2887 PR tree-optimization/49651
2888 * tree-ssa-structalias.c (type_can_have_subvars): New function.
2889 (var_can_have_subvars): Use it.
2890 (get_constraint_for_1): Only consider subfields if there can be any.
2892 2012-01-03 Jakub Jelinek <jakub@redhat.com>
2895 * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
2896 to its new canonical_cselib_val and the cselib_val was in
2897 first_containing_mem chain, but the canonical_cselib_val was not,
2898 add the latter into the chain.
2899 (cselib_invalidate_mem): Compare canonical_cselib_val of
2900 addr_list chain elt with v.
2903 * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
2904 dwarf2out_undef): Allocate e.info using ggc_strdup instead
2906 (output_macinfo_op): Don't ggc_strdup fd->filename.
2907 (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
2908 then ggc_strdup it. Don't free inc->info or cur->info.
2909 (output_macinfo): Don't free ref->info or file->info.
2911 2012-01-03 Ira Rosen <irar@il.ibm.com>
2913 PR tree-optimization/51269
2914 * tree-vect-loop-manip.c (set_prologue_iterations): Make
2915 first_niters a pointer.
2916 (slpeel_tree_peel_loop_to_edge): Likewise.
2917 (vect_do_peeling_for_loop_bound): Update call to
2918 slpeel_tree_peel_loop_to_edge.
2919 (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
2920 here. Remove it from the parameters list.
2921 (vect_do_peeling_for_alignment): Update calls and compute
2924 2012-01-03 Richard Guenther <rguenther@suse.de>
2926 PR tree-optimization/51070
2927 * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
2928 Properly handle calls.
2930 2012-01-03 Richard Guenther <rguenther@suse.de>
2932 PR tree-optimization/51692
2933 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
2934 the LHS of allocation stmts.
2936 2012-01-03 Olivier Hainque <hainque@adacore.com>
2938 * system.h: Prior to #define, #undef fopen and freopen unconditionally.
2940 2012-01-03 Olivier Hainque <hainque@adacore.com>
2942 * collect2.c (main): In AIX specific computations for vector
2943 insertions, use CONST_CAST2 to cast from char ** to const char **.
2945 2012-01-03 Richard Guenther <rguenther@suse.de>
2948 * dwarf2out.c (dwarf2out_finish): Always create a DIE for
2949 the context of a limbo DIE when it does not already exist.
2951 2012-01-03 Jakub Jelinek <jakub@redhat.com>
2953 PR tree-optimization/51719
2954 * value-prof.c (gimple_ic): When indirect call isn't noreturn,
2955 but direct call is, clear direct call's lhs and don't add fallthrough
2956 edge from dcall_bb to join_bb and PHIs.
2958 2012-01-03 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2960 * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
2961 the instructions emitted by the pattern.
2962 ("*TDC_insn_<mode>"): Add comment.
2964 2012-01-03 Richard Guenther <rguenther@suse.de>
2967 * fold-const.c (fold_comparison): Properly canonicalize
2968 tree offset and HOST_WIDE_INT bit position.
2970 2012-01-02 Uros Bizjak <ubizjak@gmail.com>
2972 * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
2973 operands for extzv pattern.
2975 2012-01-02 Jakub Jelinek <jakub@redhat.com>
2978 * cselib.c (add_mem_for_addr): Call canonical_cselib_val
2981 2012-01-02 Sandra Loosemore <sandra@codesourcery.com>
2983 * doc/invoke.texi (-flto and related options): Copy-edit.
2985 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
2987 * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
2989 2012-01-02 Jakub Jelinek <jakub@redhat.com>
2991 * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
2994 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
2996 * expr.h (move_by_pieces_ninsns): Declare.
2997 * expr.c (move_by_pieces_ninsns): Make external.
2998 * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
2999 (mips_store_by_pieces_p): Likewise.
3000 * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
3001 (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
3002 * config/mips/mips.c (mips_move_by_pieces_p): New function.
3003 (mips_store_by_pieces_p): Likewise.
3005 2012-01-02 Jakub Jelinek <jakub@redhat.com>
3007 * passes.c (register_one_dump_file): Free full_name.
3009 * reload1.c (reload): Don't allocate reg_max_ref_width here.
3010 (calculate_elim_costs_all_insns): Free offsets_at and
3011 offsets_known_at at the end and clear the pointers.
3013 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
3015 * config/avr/avr.opt (-mbranch-cost): Fix double definition of
3016 this option introduced in r180739.
3018 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
3021 * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
3022 (tmake_file target=avr): Add avr/t-multilib.
3024 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
3025 to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
3026 * config/avr/genmultilib.awk: New file.
3027 * config/avr/t-multilib: New auto-generated file.
3028 * config/avr/multilib.h: New auto-generated file.
3029 * config/avr/t-avr (AVR_MCUS): New variable.
3030 (genopt.sh): Use it.
3031 (s-mlib): Depend on t-multilib.
3032 (t-multilib, multilib.h): New dependencies.
3033 (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
3034 (MULTILIB_OPTIONS): Remove.
3035 (MULTILIB_MATCHES): Remove.
3036 (MULTILIB_DIRNAMES): Remove.
3037 (MULTILIB_EXCEPTIONS): Remove:
3038 * config/avr/genopt.sh: Don't use hard coded file name;
3039 pass AVR_MCUS from t-avr instead.
3041 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
3043 * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
3045 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
3047 Implement light-weight DImode support.
3048 * config/avr/avr-dimode.md: New file.
3049 * config/avr/avr.md: Include it.
3050 (adjust_len): Add plus64, compare64.
3051 (HIDI): Remove code iterator.
3052 (code_stdname): New code attribute.
3053 (rotx, rotsmode): Remove DI.
3054 (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
3056 * config/avr/avr-protos.h (avr_have_dimode): New.
3057 (avr_out_plus64, avr_out_compare64): New.
3058 * config/avr/avr.c (avr_out_compare): Handle DImode.
3059 (avr_have_dimode): New variable definition and initialization.
3060 (avr_out_compare64, avr_out_plus64): New functions.
3061 (avr_out_plus_1): Use simplify_unary_operation to negate xval.
3062 (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
3063 (avr_compare_pattern): Skip DImode comparisons.
3065 2012-01-02 Revital Eres <revital.eres@linaro.org>
3067 * ddg.c (def_has_ccmode_p): New function.
3068 (add_cross_iteration_register_deps,
3069 create_ddg_dep_from_intra_loop_link): Call it.
3071 2012-01-02 Richard Guenther <rguenther@suse.de>
3074 * invoke.texi (fassociative-math): Remove spurious paranthesis.
3076 2012-01-01 Jakub Jelinek <jakub@redhat.com>
3078 * gcc.c (process_command): Update copyright notice dates.
3079 * gcov.c (print_version): Likewise.
3080 * gcov-dump.c (print_version): Likewise.
3081 * mips-tfile.c (main): Likewise.
3082 * mips-tdump.c (main): Likewise.
3084 2012-01-01 Ira Rosen <irar@il.ibm.com>
3086 PR tree-optimization/51704
3087 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
3088 a use is inside the basic block or loop before accessing its vect info.
3090 2012-01-01 Jan Hubicka <jhjh@suse.cz>
3092 PR rtl-optimization/51069
3093 * cfgloopmanip.c (remove_path): Removing path making irreducible
3094 region unconditional makes BB part of the region.
3096 2012-01-01 Jakub Jelinek <jakub@redhat.com>
3098 PR tree-optimization/51683
3099 * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
3100 calls with side-effects.
3101 * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
3103 Copyright (C) 2012 Free Software Foundation, Inc.
3105 Copying and distribution of this file, with or without modification,
3106 are permitted in any medium without royalty provided the copyright
3107 notice and this notice are preserved.