1 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
3 * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
4 * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
6 2012-02-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
8 * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
9 library on Solaris 8 even without TLS support.
10 * configure: Regenerate.
12 2012-02-22 Richard Guenther <rguenther@suse.de>
15 * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
16 for GIMPLE_DEBUG stmts.
18 2012-02-22 Martin Jambor <mjambor@suse.cz>
21 * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
22 according to the base object.
24 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
26 PR rtl-optimization/50063
27 * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
28 and 2 (8-bit SP) in operand 2.
29 * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
30 setup to use movhi_sp_r instead of vanilla move to write SP.
31 Adjust REG_CFA notes to superseed unspec.
32 (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
34 As function body might contain CLI or SEI: Use irq_state 0 (IRQ
35 known to be off) only with TARGET_NO_INTERRUPTS. Never use
36 irq_state 1 (IRQ known to be on) here.
38 2012-02-21 Bernd Schmidt <bernds@codesourcery.com>
40 * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
42 * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
43 assign_hard_reg): Likewise.
45 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
47 * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
49 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
52 (*dec-and-branchhi!=-1.d.clobber): New text peephole.
53 (*dec-and-branchhi!=-1.l.clobber): New text peephole.
55 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
57 * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
58 prototype from here to...
59 * config/avr/avr.h: ...here.
61 2012-02-21 Richard Earnshaw <rearnsha@arm.com>
64 * thumb2.md (thumb2_shiftsi3_short): Split register and
65 immediate shifts. For register shifts tie operands 0 and 1.
66 (peephole2 for above): Check that register-controlled shifts
67 have suitably tied operands.
69 2012-02-21 Quentin Neill <quentin.neill@amd.com>
72 * config/i386/bdver1.md (bdver1_call, bdver1_push,
73 bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
74 bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
75 bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
76 bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
77 bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
78 bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
79 bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
80 bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
81 bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
82 bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
83 bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
84 bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
85 bdver1_ssevector_avx256_unaligned_load,
86 bdver1_ssevector_sse128_unaligned_load,
87 bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
88 bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
89 bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
90 bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
91 bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
92 bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
93 bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
94 bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
95 bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
96 bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
97 bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
98 bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
99 bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
100 bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
101 bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
102 bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
103 bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
104 bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
105 bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
106 bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
107 bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
108 bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
109 bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
110 bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
111 bdver1_ssediv_double_load, bdver1_ssediv_double,
112 bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
113 Add "bdver2" attribute.
115 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
117 * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
118 default if possible and not specified otherwise.
120 2012-02-21 Richard Guenther <rguenther@suse.de>
123 * gimplify.c (create_tmp_from_val): Use the main variant type
124 for the type of the temporary we create.
126 2012-02-21 Richard Guenther <rguenther@suse.de>
128 PR tree-optimization/52324
129 * gimplify.c (gimplify_expr): When re-gimplifying expressions
130 do not gimplify a MEM_REF address operand if it is already
133 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
135 * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
136 TARGET_HARD_FLOAT with TARGET_HARD_DFP.
138 2012-02-21 Richard Guenther <rguenther@suse.de>
140 * tree-vect-stmts.c (vectorizable_load): Use pre-computed
143 2012-02-21 Jakub Jelinek <jakub@redhat.com>
145 PR tree-optimization/52318
146 * gimple-fold.c (gimplify_and_update_call_from_tree): Add
147 vdef also to non-pure/const call stmts in the sequence.
149 2012-02-20 David S. Miller <davem@davemloft.net>
151 * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
152 don't use the "rd %pc" instruction on v9 for PIC register loads.
154 2012-02-20 Aldy Hernandez <aldyh@redhat.com>
157 * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
158 in a transaction safe function.
160 2012-02-20 Kai Tietz <ktietz@redhat.com>
163 * stor-layout.c (place_field): Handle desired_align for
166 2012-02-20 Richard Guenther <rguenther@suse.de>
168 PR tree-optimization/52298
169 * tree-vect-stmts.c (vectorizable_store): Properly use
170 STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
172 (vectorizable_load): Likewise.
173 * tree-vect-data-refs.c (vect_analyze_data_ref_access):
174 Access DR_STEP after ensuring it is not NULL.
176 2012-02-20 Jakub Jelinek <jakub@redhat.com>
178 PR tree-optimization/52286
179 * fold-const.c (fold_binary_loc): For (X & C1) | C2
180 optimization use double_int_to_tree instead of build_int_cst_wide,
181 rewrite to use double_int vars.
183 2012-02-20 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
186 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
188 Remove -e 0 from $gcc_cv_ld invocation.
189 Only use __GLIBC_PREREQ if defined.
190 Enable on Solaris since Solaris 8 patch.
191 (gcc_SUN_LD_VERSION): New macro.
192 * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
193 gcc_SUN_LD_VERSION for version number format.
194 * configure: Regenerate.
195 * varasm.c (get_elf_initfini_array_priority_section): Set
196 SECTION_NOTYPE for non-default priority.
197 Use get_section instead of get_unnamed_section to emit
198 .init_array/.fini_array with default priority.
200 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
202 * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
203 (mips_get_tp): Set it. Record that __mips16_rdhwr binds locally.
204 (mips_start_unique_function, mips_output_mips16_rdhwr)
205 (mips_code_end): New functions.
206 (TARGET_ASM_CODE_END): Define.
208 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
210 * config/mips/mips.c (mips16_build_call_stub): Add CFI information
211 to stubs with non-sibling calls.
213 2012-02-18 Sandra Loosemore <sandra@codesourcery.com>
215 * doc/invoke.texi (-fira-* options): Copy-edit.
216 (ira-* parameters): Copy-edit.
218 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
220 * doc/invoke.texi: Minor copy-edits to bring into conformance with
221 GCC coding conventions.
223 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
225 * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
226 when used as adjectives.
228 2012-02-16 Sandra Loosemore <sandra@codesourcery.com>
230 * doc/invoke.texi: Clean up "that"/"which" confusion.
232 2012-02-17 Steven Bosscher <steven@gcc.gnu.org>
234 * system.h: Poison SMALL_REGISTER_CLASSES
235 * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
236 * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
238 2012-02-16 Jakub Jelinek <jakub@redhat.com>
240 PR tree-optimization/52285
241 * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
242 when deciding if a call is a tail call or tail recursion.
244 2012-02-16 Kai Tietz <ktietz@redhat.com>
246 * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
247 interger-constant displacement for UNSPEC_PCREL.
249 2012-02-16 Jakub Jelinek <jakub@redhat.com>
251 PR rtl-optimization/52208
252 * ira-costs.c (scan_one_insn): Don't decrease mem_cost
253 for MEMs with REG_EQUIV, if the MEM isn't general_operand.
255 PR tree-optimization/52255
256 * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
257 loop->header has virtual PHI, but exit_e->dest doesn't, add
258 virtual PHI to exit_e->dest and adjust all uses after the loop.
261 * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
262 children with clone_tree_hash, not after it.
264 2012-02-16 Iain Sandoe <iains@gcc.gnu.org>
266 * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
267 extended identifiers.
269 2012-02-16 Jakub Jelinek <jakub@redhat.com>
272 * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
273 a same_body_alias, also test whether e->callee isn't a former
274 or current clone of the decl this is a same body alias of.
277 * cgraphunit.c (verify_cgraph_node): Fix a typo.
279 2012-02-15 Sandra Loosemore <sandra@codesourcery.com>
281 * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
283 2012-02-15 Michael Meissner <meissner@linux.vnet.ibm.com>
286 * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
287 force_reg instead of copy_to_reg for better optimization. Force
288 non-register or memory operands into a register.
290 2012-02-15 Andrew MacLeod <amacleod@redhat.com>
292 * extend.texi: Reserve upper bits of memory model for future use.
294 2012-01-15 Georg-Johann Lay <avr@gjlay.de>
295 Anatoly Sokolov <aesok@post.ru>
296 Eric Weddington <eric.weddington@atmel.com>
299 * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
300 avrxmega4, avrxmega5, avrxmega6, avrxmega7.
301 Rewrite initializers for .macro.
302 * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
303 avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
304 atxmega32d4, atxmega32x1.
305 avrxmega4: atxmega64a3, atxmega64d3.
306 avrxmega5: atxmega64a1, atxmega64a1u.
307 avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
308 atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
309 avrxmega7: atxmega128a1, atxmega128a1u.
310 * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
311 ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
312 (struct base_arch_s): Rename reserved to xmega_p.
313 Rename reserved2 to have_rampd.
314 (AVR_XMEGA): New define.
315 (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
316 (AVR_HAVE_RAMPZ): Change definition to fit xmega.
317 * config/avr/predicates.md (io_address_operand): Take into
319 (low_io_address_operand): Ditto.
320 (high_io_address_operand): Ditto.
321 * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
322 (enabled, movhi_sp_r): Use them.
323 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
324 cpp_define_formatted to built-in define __AVR_ARCH__.
325 (__AVR_XMEGA__): New built-in define.
326 (__AVR_HAVE_RAMPD__): New built-in define.
327 (__AVR_HAVE_RAMPX__): New built-in define.
328 (__AVR_HAVE_RAMPY__): New built-in define.
329 (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
331 * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
332 (avr_option_override): Initialize them.
333 (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
334 (avr_init_expanders): Initialize them. No more block several calls.
335 (emit_push_sfr): New static function.
336 (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
338 (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
339 (avr_print_operand): Print addreeses as symbols for
340 RAMPX, RAMPY, RAMPD, CCP.
341 (output_movhi): Handle AVR_XMEGA when writing to SP.
342 (avr_out_movhi_mr_r_xmega): New static function.
343 (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
344 (avr_file_start): Print symbol defines for __RAMPX__, __RAMPY__,
345 __RAMPD__, __CCP__ as needed.
347 * config/avr/multilib.h: Regenerate.
348 * config/avr/t-multilib: Regenerate.
349 * config/avr/avr-tables.opt: Regenerate.
351 2012-02-15 Tobias Grosser <grosser@fim.uni-passau.de>
353 PR tree-optimization/50561
354 * graphite-flattening.c (lst_project_loop): Do not
355 remove old scattering dimensions after flattening.
356 (lst_do_flatten): Likewise.
358 2012-02-15 Georg-Johann Lay <avr@gjlay.de>
360 * doc/extend.texi (AVR Built-in Functions): Remove doc for
361 __builtin_avr_map8, __builtin_avr_map16.
362 Document __builtin_avr_insert_bits.
364 * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
365 (insert_bits): New insn.
366 (adjust_len.map_bits): Rename to insert_bits.
367 (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
368 * avr-protos.h (avr_out_map_bits): Remove.
369 (avr_out_insert_bits, avr_has_nibble_0xf): New.
370 * config/avr/constraints.md (Cxf,C0f): New.
371 * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
372 defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
373 New built-in define __BUILTIN_AVR_INSERT_BITS.
374 * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
375 (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
376 (avr_move_bits): Rewrite.
377 (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
379 (avr_map_op_t): New typedef.
380 (avr_map_op): New static variable.
381 (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
382 (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
383 (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
384 (bdesc_3arg, avr_expand_triop_builtin): New.
385 (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
386 (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
387 (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
388 (avr_map_equal_p, avr_map_sig_p): Remove.
389 (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
390 (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
391 (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
392 (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
393 (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
394 (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
396 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
398 * config/c6x/c6x.md (reserve_cycles): New attribute.
399 * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
400 don't reserve functional units after the branch occurs.
402 2012-02-14 Aldy Hernandez <aldyh@redhat.com>
405 * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
406 functions into non-tm_pure functions.
408 2012-02-14 Eric Botcazou <ebotcazou@adacore.com>
411 * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
412 (iterative_hash_canonical_type): Likewise.
413 * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
416 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
418 * haifa-sched.c (prune_ready_list): Ensure that if there is a
419 sched-group insn, it either remains alone or the entire list is
422 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
424 * doc/install.texi (Prerequisites): Fix grammar.
425 (Configuration): Likewise.
427 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
429 * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
430 MPC as part of GCC before describing configuring with --with-gmp etc.
431 (Installing GCC: Configuration): --with-gmp etc. aren't needed if
434 2012-02-14 Jakub Jelinek <jakub@redhat.com>
437 * dwarf2out.c (clone_tree_hash): New function.
438 (copy_decls_walk): Use it instead of clone_tree.
440 2012-02-14 Richard Guenther <rguenther@suse.de>
442 PR tree-optimization/52244
443 PR tree-optimization/51528
444 * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
445 replacements for integral types.
447 2012-02-14 Walter Lee <walt@tilera.com>
449 * config.gcc: Handle tilegx and tilepro.
450 * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
452 Add HAVE_AS_TLS check for tilegx and tilepro.
453 * configure: Regenerate.
454 * doc/contrib.texi: Add Mat Hostetter and self.
455 * doc/extend.texi (TILE-Gx Built-in Functions): New node.
456 Document instruction intrinsics and network accessing intrinsics.
457 (TILEPro Built-in Functions): New node. Document instruction
458 intrinsics and network accessing intrinsics.
459 * doc/install.texi (Specific, tilegx-*-linux*): Document it.
460 (Specific, tilepro-*-linux*): Likewise.
461 * doc/invoke.texi (TILE-Gx Options): New section.
462 (TILEPro Options): New section.
463 * doc/md.texi (TILE-Gx): New section.
464 (TILEPro): New section.
465 * common/config/tilegx/tilegx-common.c: New file.
466 * common/config/tilepro/tilepro-common.c: New file.
467 * config/tilegx/constraints.md: New file.
468 * config/tilegx/linux.h: New file.
469 * config/tilegx/mul-tables.c: New file.
470 * config/tilegx/predicates.md: New file.
471 * config/tilegx/sync.md: New file.
472 * config/tilegx/t-tilegx: New file.
473 * config/tilegx/tilegx-builtins.h: New file.
474 * config/tilegx/tilegx-c.c: New file.
475 * config/tilegx/tilegx-generic.md: New file.
476 * config/tilegx/tilegx-modes.def: New file.
477 * config/tilegx/tilegx-multiply.h: New file.
478 * config/tilegx/tilegx-protos.h: New file.
479 * config/tilegx/tilegx.c: New file.
480 * config/tilegx/tilegx.h: New file.
481 * config/tilegx/tilegx.md: New file.
482 * config/tilegx/tilegx.opt: New file.
483 * config/tilepro/constraints.md: New file.
484 * config/tilepro/gen-mul-tables.cc: New file.
485 * config/tilepro/linux.h: New file.
486 * config/tilepro/mul-tables.c: New file.
487 * config/tilepro/predicates.md: New file.
488 * config/tilepro/t-tilepro: New file.
489 * config/tilepro/tilepro-builtins.h: New file.
490 * config/tilepro/tilepro-c.c: New file.
491 * config/tilepro/tilepro-generic.md: New file.
492 * config/tilepro/tilepro-modes.def: New file.
493 * config/tilepro/tilepro-multiply.h: New file.
494 * config/tilepro/tilepro-protos.h: New file.
495 * config/tilepro/tilepro.c: New file.
496 * config/tilepro/tilepro.h: New file.
497 * config/tilepro/tilepro.md: New file.
498 * config/tilepro/tilepro.opt: New file.
500 2012-02-14 Jakub Jelinek <jakub@redhat.com>
502 PR tree-optimization/52210
503 * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
504 vect_model_simple_cost with two entry vect_def_type array instead
507 2012-02-14 Richard Guenther <rguenther@suse.de>
510 * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
511 Do not stream DECL_QUALIFIER.
512 * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
513 * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
514 (find_decls_types_r): Do not walk DECL_QUALIFIER.
516 2012-02-14 Jakub Jelinek <jakub@redhat.com>
519 * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
522 2012-02-13 Jakub Jelinek <jakub@redhat.com>
525 * cselib.h (cselib_subst_to_values_from_insn): New prototype.
526 * cselib.c (cselib_subst_to_values_from_insn): New function.
527 * sched-deps.c (add_insn_mem_dependence,
528 sched_analyze_1, sched_analyze_2): Use it.
530 2012-02-13 Jan Hubicka <jh@suse.cz>
533 * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
535 2012-02-13 Eric Botcazou <ebotcazou@adacore.com>
537 * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
538 (GTM_SELF_SPECS): Define if not already defined.
539 (driver_self_specs): Add GTM_SELF_SPECS.
540 * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
541 (GTM_SELF_SPECS): Define.
542 * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
543 * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
545 2012-02-13 Jakub Jelinek <jakub@redhat.com>
547 * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
550 * cselib.c (dump_cselib_val): Don't assume l->setting_insn is
554 * omp-low.c (expand_omp_for): If a static schedule without
555 chunk size has NULL region->cont, force fd.chunk_size to be
558 2012-02-13 Andrew MacLeod <amacleod@redhat.com>
561 * doc/extend.texi : Fix another __atomic_compare_exchange typo.
563 2012-02-13 Richard Guenther <rguenther@suse.de>
566 * passes.c (enable_disable_pass): Fix typo.
568 2012-02-13 Jakub Jelinek <jakub@redhat.com>
571 * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
572 XOR for reduce_bit_field if type is unsigned.
574 2012-02-12 Eric Botcazou <ebotcazou@adacore.com>
576 * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
577 disallow changes from SFmode to mode with different size in FP regs.
579 2012-02-12 Robert Millan <rmh@gnu.org>
580 Gerald Pfeifer <gerald@pfeifer.com>
582 * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
585 2012-02-11 Richard Sandiford <rdsandiford@googlemail.com>
587 PR rtl-optimization/52175
588 * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
589 to frame-related instructions.
591 2012-02-10 Jason Merrill <jason@redhat.com>
594 * tlink.c (demangled_hash_entry): Change mangled to a VEC.
595 (demangle_new_symbols): Fill it.
596 (scan_linker_output): Walk it.
597 (start_tweaking): Split out from scan_linker_output.
598 (maybe_tweak): Update sym->chosen.
599 * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
601 2012-02-11 Jakub Jelinek <jakub@redhat.com>
604 * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use
607 2012-02-11 Uros Bizjak <ubizjak@gmail.com>
609 * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
610 having the same mode as previous compare.
612 2012-02-10 Eric Botcazou <ebotcazou@adacore.com>
614 * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
615 * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
616 (nonlocal_goto_internal): Likewise.
617 (nonlocal_goto): Emit a use and an indirect jump directly.
619 2012-02-10 Andrew MacLeod <amacleod@redhat.com>
622 * doc/extend.texi : Update comments for __atomic_compare_exchange and
623 __atomic_{is,always}_lock_free.
625 2012-02-10 Uros Bizjak <ubizjak@gmail.com>
628 * config/i386/i386.c (ix86_legitimate_address_p): Disallow
629 negative constant address for x32.
631 2012-02-10 Richard Henderson <rth@redhat.com>
633 * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
634 * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
635 for GIMPLE_TRANSACTION. Tidy if's into a switch.
637 2012-02-10 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
638 Ira Rosen <irar@il.ibm.com>
640 PR tree-optimization/50031
641 * targhooks.c (default_builtin_vectorization_cost): Handle
643 * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
644 * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
645 all types of reduction and pattern statements.
646 (vect_estimate_min_profitable_iters): Likewise.
647 * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
648 (vect_get_load_cost): Use vec_perm for permutations; add dump logic
649 for explicit realigns.
650 (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
651 * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
653 * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
654 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
655 vec_perm for VSX and handle vec_promote_demote.
657 2012-02-10 Jakub Jelinek <jakub@redhat.com>
660 * builtins.c (fold_builtin_atomic_always_lock_free,
661 expand_builtin_atomic_always_lock_free,
662 fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
663 Return and/or test boolean_true_node/boolean_false_node instead of
664 integer_one_node/integer_zero_node.
666 2012-02-10 Jan Hubicka <jh@suse.cz>
669 * predict.c (predict_paths_for_bb): Prevent looping.
670 (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
672 2012-02-10 Roman Zhuykov <zhroma@ispras.ru>
674 * config/arm/arm.c (output_move_double): In one case properly
675 count number of instructions that will be emitted.
677 2012-02-10 Richard Guenther <rguenther@suse.de>
680 * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
682 2012-02-09 Peter Bergner <bergner@vnet.ibm.com>
685 * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
687 2012-02-09 Jakub Jelinek <jakub@redhat.com>
690 * var-tracking.c (emit_note_insn_var_location): If
691 EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
692 emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
693 non-NOTE_DURING_CALL_P insn.
695 2012-02-09 Bin Cheng <bin.cheng@arm.com>
698 * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
700 2012-02-08 Magnus Granberg <zorry@gentoo.org>
703 * gcc.c (switch_matches) Support switches with separated form,
706 2012-02-08 Georg-Johann Lay <avr@gjlay.de>
708 * config/avr/avr.md (SREG_ADDR): Remove constant definition.
711 * config/avr/avr.c (avr_addr_t): New typedef.
712 (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
713 (avr_init_expanders): Initialize it.
714 (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
716 (expand_epilogue): Ditto.
717 (avr_print_operand): Ditto.
718 (avr_file_start): Ditto.
719 (avr_emit_movmemhi): Ditto.
721 2012-02-08 Richard Guenther <rguenther@suse.de>
723 PR tree-optimization/46886
724 * tree-flow.h (do_while_loop_p): Declare.
725 * tree-ssa-loop-ch.c (do_while_loop_p): Export.
726 * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
728 2012-02-08 Andrew MacLeod <amacleod@redhat.com>
730 * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
731 always succeed for integers larger than a native word.
733 2012-02-08 Richard Guenther <rguenther@suse.de>
735 PR rtl-optimization/52170
736 * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
737 properly handle integer vector modes.
739 2012-02-08 Jakub Jelinek <jakub@redhat.com>
741 PR gcov-profile/52150
742 * coverage.c: Include target.h.
743 (build_var): Call targetm.strip_name_encoding on the assembler name.
744 Change one _ into . or $ if the target allows it.
745 * Makefile.in (coverage.o): Depend on $(TARGET_H).
747 PR rtl-optimization/52139
748 * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
749 is a BARRIER after emit_insn_after_noloc, move BB_END
750 to the last non-BARRIER insn before it.
752 2012-02-07 Richard Sandiford <rdsandiford@googlemail.com>
755 * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
756 (mips_gimplify_va_arg_expr): Call it instead of
757 std_gimplify_va_arg_expr.
759 2012-02-07 Michael Meissner <meissner@linux.vnet.ibm.com>
761 * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
762 message for -mno-pointers-to-nested-function.
764 2012-02-07 Eric Botcazou <ebotcazou@adacore.com>
767 * expr.c (get_inner_reference): If there is an offset, add a negative
768 bit position to it (if any).
770 2012-02-07 Jakub Jelinek <jakub@redhat.com>
772 PR rtl-optimization/52060
773 * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
774 copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
775 before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
776 and/or i0src_copy2 when needed.
778 2012-02-07 Jakub Jelinek <jakub@redhat.com>
780 * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
781 or LTOPLUGINSONAME if have_c.
783 * config/freebsd-spec.h: Add comment about what macros can be defined
785 (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
786 * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
789 2012-02-07 Richard Guenther <rguenther@suse.de>
791 * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
792 newline in -alias dumps.
794 2012-02-07 Kai Tietz <ktietz@redhat.com>
795 Dave Korn <dave.korn.cygwin@gmail.com>
798 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
799 Take care that typinfo gets dllexport-attribute.
801 2012-02-07 Jakub Jelinek <jakub@redhat.com>
804 * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
805 if modifier < EXPAND_SUM call force_operand on the result.
807 2012-02-07 Joern Rennecke <joern.rennecke@embecosm.com>
809 * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
810 adding __forwarder_dst__ prefix if a forwarder_section attribute is
812 (epiphany_function_type): Replace types for specific interrupts with
813 EPIPHANY_FUNCTION_INTERRUPT.
814 (EPIPHANY_INTERRUPT_P): Update.
815 * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
817 (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
818 <disinterrupt>: Affects type identity.
819 (epiphany_handle_interrupt_attribute): Handle variable number of
821 (epiphany_compute_function_type): Update for new
822 epiphany_function_type definition.
823 (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
824 handlers with a longcall forwarder.
825 (epiphany_start_function): Handle multiple interrupt arguments and/or
826 forwarder_section attribute.
828 * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
831 2012-02-07 Alan Modra <amodra@gmail.com>
834 * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
837 2012-02-06 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
839 PR tree-optimization/50969
840 * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
841 use vec_perm rather than vector_stmt.
842 (vect_model_load_cost): Likewise.
843 * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
844 vec_perm to be the same as other vector statements.
845 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
846 cost of vec_perm for TARGET_VSX.
848 2012-02-06 Richard Guenther <rguenther@suse.de>
850 PR tree-optimization/52115
851 * tree-sra.c (access_has_replacements_p): New function.
852 (sra_modify_assign): Use it to decide whether a use is uninitialized.
854 2012-02-06 Patrick Marlier <patrick.marlier@gmail.com>
857 * trans-mem.c (expand_call_tm): Add an assertion.
858 * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
861 2012-02-06 Richard Guenther <rguenther@suse.de>
863 PR tree-optimization/50955
864 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
865 raise cost of expressions that replace an address with an
866 expression based on a different pointer.
868 2012-02-06 Jakub Jelinek <jakub@redhat.com>
871 * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
872 CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
874 2012-02-06 Jonathan Wakely <jwakely.gcc@gmail.com>
877 * doc/invoke.texi (C++ Dialect Options): Use @option markup for
878 -Weffc++ and specify guidelines come from second edition.
880 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
882 * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
883 (sibcall_value_multiple_internal, call_split, call_internal_direct)
884 (call_direct_split, call_value_split, call_value_internal_direct)
885 (call_value_direct_split, call_value_multiple_split): Use jal and
886 jal_macro attributes.
888 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
890 * reload1.c (reload_regs_reach_end_p): Replace with...
891 (reload_reg_rtx_reaches_end_p): ...this function.
892 (new_spill_reg_store): Update commentary.
893 (emit_input_reload_insns): Don't clear new_spill_reg_store here.
894 (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
895 before setting new_spill_reg_store.
896 (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
897 Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
898 Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
899 for non-spill reload registers.
901 2012-02-05 Ira Rosen <irar@il.ibm.com>
903 PR tree-optimization/52091
904 * tree-vectorizer.h (vect_is_simple_use): Add an argument.
905 (vect_is_simple_use_1): Likewise.
906 * tree-vect-loop.c (vectorizable_reduction): Update calls
907 to vect_is_simple_use_1 and vect_is_simple_use.
908 (vectorizable_live_operation): Likewise.
909 * tree-vect-patterns.c (widened_name_p,
910 vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
911 * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
912 vectorizable_call, vectorizable_conversion, vectorizable_assignment,
913 vectorizable_shift,vectorizable_operation, vectorizable_store,
914 vectorizable_load): Likewise.
915 (vect_is_simple_cond): Add an argument, pass it to
916 vect_is_simple_use_1.
917 (vectorizable_condition): Update calls to vect_is_simple_cond,
919 (vect_is_simple_use): Add an argument, the statement in which
920 OPERAND is used. Check that if OPERAND's def stmt is a double
921 reduction phi node, the use is a phi node too.
922 (vect_is_simple_use_1): Add an argument, pass it to
924 * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
925 to vect_is_simple_use.
927 2012-02-04 Jakub Jelinek <jakub@redhat.com>
929 PR rtl-optimization/52095
930 * modulo-sched.c (dump_insn_locator): New function.
931 (loop_canon_p, sms_schedule): Use it.
933 PR rtl-optimization/52113
934 * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
935 even for decomposable shift/zext insns.
937 2012-02-03 Jakub Jelinek <jakub@redhat.com>
938 Zdenek Dvorak <ook@ucw.cz>
940 PR rtl-optimization/52092
941 * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
942 on get_iv_value result.
944 2012-02-02 Andrew Pinski <apinski@cavium.com>
948 * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
950 2012-02-02 Jakub Jelinek <jakub@redhat.com>
953 * diagnostic.c (diagnostic_finish): Remove trailing newlines.
955 2012-02-02 Vladimir Makarov <vmakarov@redhat.com>
957 PR rtl-optimization/49800
958 * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
959 (sched_finish): Call regstat_free_n_sets_and_refs.
961 2012-02-02 Jia Liu <proljc@gmail.com>
963 * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
966 2012-02-02 Jan Hubicka <jh@suse.cz>
967 Tom de Vries <tom@codesourcery.com>
970 * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
971 * varpool.c (varpool_analyze_pending_decls): Likewise.
973 2012-02-02 Sumanth G <sumanth.gundapaneni@kpitcummins.com>
974 Jayant R Sonar <jayant.sonar@kpitcummins.com>
976 * config.gcc: Add cr16-* support.
978 * doc/extend.texi: Document cr16 extensions.
979 * doc/install.texi: Document cr16 install.
980 * doc/invoke.texi: Document cr16 options.
981 * doc/md.texi: Document cr16 constraints.
983 * common/config/cr16/cr16-common.c: New file.
984 * config/cr16/cr16.c: New file.
985 * config/cr16/cr16.h: New file.
986 * config/cr16/cr16.md: New file.
987 * config/cr16/cr16.opt: New file.
988 * config/cr16/cr16-protos.h: New file.
989 * config/cr16/predicates.md: New file.
990 * config/cr16/constraints.md: New file.
991 * config/cr16/t-cr16: New file.
993 2012-02-02 Jakub Jelinek <jakub@redhat.com>
996 * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
997 that operands[2] is either immediate, or q_regs_operand.
999 PR tree-optimization/52073
1000 * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
1001 a pattern stmt for pattern uses, ignore uses outside of the loop.
1003 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
1005 * config/avr/avr.c: Resolve all AS1 and AS2 macros.
1006 * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
1007 (OUT_AS1, OUT_AS2): Remove.
1009 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
1011 PR rtl-optimization/51374
1012 * combine.c (can_combine_p): Don't allow volatile_refs_p insns
1013 to cross other volatile_refs_p insns.
1015 2012-02-01 Richard Guenther <rguenther@suse.de>
1017 * doc/invoke.texi (fno-inline): Clarify documentation.
1018 (finline-small-functions): Likewise.
1019 (finline-functions): Likewise.
1020 * common.opt (finline): Adjust comment and documentation.
1021 (finline-small-functions): Clarify documentation.
1022 (finline-functions): Likewise.
1023 (finline-functions-called-once): Likewise.
1025 2012-02-01 Tristan Gingold <gingold@adacore.com>
1027 * c-typeck.c (composite_type): Keep mode for pointers.
1029 2012-01-31 Richard Sandiford <rdsandiford@googlemail.com>
1031 * function.h (regno_reg_rtx): Adjust comment.
1032 * reginfo.c (init_reg_modes_target): Only use the previous mode
1033 if it fits within one register. Remove MIPS comment.
1035 2012-01-31 Jakub Jelinek <jakub@redhat.com>
1038 * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
1040 2012-01-31 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1042 * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
1043 to srak instruction.
1045 2012-01-31 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1047 * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
1049 2012-01-31 Jakub Jelinek <jakub@redhat.com>
1054 * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
1056 2012-01-31 Richard Guenther <rguenther@suse.de>
1058 PR tree-optimization/51528
1059 * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
1062 2012-01-31 Jakub Jelinek <jakub@redhat.com>
1067 * ree.c (add_removable_extension): Change def_map argument
1068 to unsigned *, store in def_map 1 + offset into *insn_list vector
1069 instead of pointers into the vector.
1070 (find_removable_extensions): Adjust caller.
1072 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
1074 * config/avr/avr.md: Resolve all AS1 and AS2 macros.
1075 Transform all "* quoted-c-code" to { c-code }.
1076 Remove redundant test for "optimize" in combine patterns.
1077 Move (include "avr-dimode.md") to end of file.
1079 2012-01-30 Bin Cheng <bin.cheng@arm.com>
1082 * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
1083 for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
1085 2012-01-30 Richard Guenther <rguenther@suse.de>
1087 PR tree-optimization/52028
1088 * tree-loop-distribution.c (ldist_gen): Properly update
1091 2012-01-30 Jakub Jelinek <jakub@redhat.com>
1094 * dwarf2out.c (dwarf2out_switch_text_section): Don't call
1095 set_cur_line_info_table if not emitting debug info.
1097 PR tree-optimization/52046
1098 * tree-vect-patterns.c (check_bool_pattern): Give up if
1099 a comparison could throw.
1102 * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
1104 2012-01-30 Richard Guenther <rguenther@suse.de>
1106 PR tree-optimization/52045
1107 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
1108 SSA form if cfgcleanup did anything.
1110 2012-01-30 Richard Guenther <rguenther@suse.de>
1112 PR tree-optimization/52045
1113 * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
1114 before computing final todo.
1116 2012-01-30 Richard Guenther <rguenther@suse.de>
1118 PR tree-optimization/51528
1119 * tree-sra.c (sra_modify_assign): Re-factor in preparation
1122 2012-01-30 Paolo Bonzini <bonzini@gnu.org>
1124 * df-problems.c (df_kill_notes): Check that the use refers
1125 to the note under examination.
1127 2012-01-30 Eric Botcazou <ebotcazou@adacore.com>
1130 * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
1131 parameter and use short-lived pseudos.
1132 (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
1133 (sparc_expand_vector_init): Const-ify local variables and adjust
1134 calls to above functions.
1136 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
1138 * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
1140 2012-01-29 Sandra Loosemore <sandra@codesourcery.com>
1142 * doc/invoke.texi: Make usage of "compile time" and
1143 "run time"/"runtime" consistent throughout the file.
1145 2012-01-29 Uros Bizjak <ubizjak@gmail.com>
1147 * config/alpha/alpha.c (alpha_option_override): Default to
1148 full IEEE compliance mode for Go language.
1150 2011-01-29 Tijl Coosemans <tijl@coosemans.org>
1152 * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
1153 (LINK_SSP_SPEC): Define.
1155 2012-01-28 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1158 * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
1161 2012-01-28 Sandra Loosemore <sandra@codesourcery.com>
1163 * doc/invoke.texi: Correct hyphenation of "floating point",
1164 "double precision", and related terminology throughout the file.
1166 2012-01-28 Jakub Jelinek <jakub@redhat.com>
1169 * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
1170 arm_general_register_operand predicate for operand 2 instead of
1173 2012-01-27 Ian Lance Taylor <iant@google.com>
1176 * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
1177 * builtins.c (expand_builtin_init_trampoline): Add onstack
1178 parameter. Change caller.
1179 (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
1180 * tree.c (build_common_builtin_nodes): Declare
1181 __builtin_init_heap_trampoline.
1183 2012-01-27 Georg-Johann Lay <avr@gjlay.de>
1185 * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
1186 tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
1187 * config/avr/avr.c: Ditto.
1188 (avr_regnames): Remove because unused.
1189 * config/avr/avr.md (*cpse.ne): New peephole.
1190 (*cpse.eq): New peephole from former cpse peepholes.
1192 2012-01-27 Michael Eager <eager@eagercon.com>
1194 * config/microblaze.c (microblaze_emit_compare): Correct
1195 test after pcmp instruction.
1197 2012-01-27 Richard Guenther <rguenther@suse.de>
1199 PR tree-optimization/52020
1200 * tree-sra.c (sra_modify_assign): Do not transform clobbers.
1202 2012-01-27 Richard Guenther <rguenther@suse.de>
1204 * ipa-pure-const.c (check_stmt): Clobbers do not make a
1205 function non-const/pure.
1207 2012-01-27 Richard Guenther <rguenther@suse.de>
1209 PR tree-optimization/50444
1210 * tree-sra.c (build_ref_for_offset): Properly adjust the
1211 MEM_REF type for unaligned accesses.
1213 2012-01-27 Richard Guenther <rguenther@suse.de>
1215 PR tree-optimization/50444
1216 * expr.c (mem_ref_refers_to_non_mem_p): New function.
1217 (expand_assignment): Use it. Properly handle misaligned
1218 bases when expanding stores to component references.
1219 (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
1222 2012-01-27 Andrey Belevantsev <abel@ispras.ru>
1225 * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
1226 * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
1227 * tree-data-ref.c (find_data_references_in_loop): Make static.
1228 (compute_all_dependences): Change return type to bool. Bail out
1229 for too many datarefs in a loop. Move the hunk resetting the data
1230 dependences vector from ...
1231 (compute_data_dependences_for_loop): ... here. Account for
1232 compute_all_dependences returning false.
1233 (compute_data_dependences_for_bb): Likewise.
1234 * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
1235 * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
1237 2012-01-27 Richard Guenther <rguenther@suse.de>
1240 * expr.c (store_field): Use the alias-set of the scratch memory
1243 2012-01-27 Tom de Vries <tom@codesourcery.com>
1245 PR tree-optimization/51990
1246 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
1248 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
1250 2012-01-27 Jakub Jelinek <jakub@redhat.com>
1253 * var-tracking.c (reverse_op): Don't add any reverse operation
1254 if V already has any constant locations.
1256 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
1258 * doc/invoke.texi: Correct usage of "command line" (noun)
1259 vs "command-line" (adjective) throughout.
1261 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
1263 * doc/invoke.texi (Language Independent Options): Move
1264 -Wcoverage-mismatch blurb from here....
1265 (Warning Options): ...to here.
1267 2012-01-27 Peter Bergner <bergner@vnet.ibm.com>
1269 * config/rs6000/rs6000.c (rs6000_option_override_internal):
1270 Set rs6000_always_hint to false for 476.
1272 2012-01-27 Matthias Klose <doko@ubuntu.com>
1274 * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
1276 * incpath.c (add_standard_paths): Likewise.
1278 2012-01-27 Richard Henderson <rth@redhat.com>
1280 * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
1281 * config/m68k/sync.md (atomic_test_and_set): Rename from
1282 sync_test_and_setqi and adjust the operands.
1283 (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
1284 and unconditionally enable.
1286 2012-01-27 Richard Henderson <rth@redhat.com>
1288 * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
1289 * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
1290 (ldstub): Rename from ldstubqi.
1291 (ldstub<I24MODE>): Remove.
1293 2012-01-27 Richard Henderson <rth@redhat.com>
1295 * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
1296 * c-cppbuiltin.c (cpp_atomic_builtins): Define
1297 __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
1298 * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
1299 * doc/tm.texi: Rebuild.
1301 2012-01-27 Richard Henderson <rth@redhat.com>
1303 * optabs.c (gen_atomic_test_and_set): Remove default.
1304 (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
1306 2012-01-26 Jakub Jelinek <jakub@redhat.com>
1308 PR rtl-optimization/51978
1309 * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
1310 (combine_reaching_defs): Likewise.
1311 (struct re_info): Remove.
1312 (add_removable_extension): Remove x and data arguments,
1313 add insn, insn_list and def_map. Use the arguments directly
1314 instead of using struct re_info.
1315 (find_removable_extensions): Don't call add_removable_extension
1316 through note_stores, instead just call it with single_set
1318 (find_and_remove_re): Pass curr_cand->expr instead of
1319 PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
1321 2012-01-26 Michael Matz <matz@suse.de>
1323 PR tree-optimization/46590
1324 * cfgexpand.c: Revert last change (r183305).
1325 * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
1327 * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
1328 checking for emptiness.
1330 2012-01-26 Jakub Jelinek <jakub@redhat.com>
1333 * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
1334 non-addressable non-BLKmode base correctly.
1336 2012-01-26 Michael Matz <matz@suse.de>
1338 PR tree-optimization/48794
1339 * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
1340 regions referenced from RESX/EH_DISPATCH.
1342 2012-01-26 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1344 * config/s390/s390.h: Make BRANCH_COST an option.
1345 * config/s390/s390.opt: New option -mbranch-cost.
1347 2012-01-26 Richard Henderson <rth@redhat.com>
1349 Revert 2012-01-24 change:
1350 * trans-mem.c (requires_barrier): Do not instrument thread local
1351 variables and emit save/restore for them.
1353 2012-01-25 Jakub Jelinek <jakub@redhat.com>
1356 * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
1359 2012-01-25 Richard Sandiford <rdsandiford@googlemail.com>
1361 * config/mips/mips.c (mips_small_data_pattern_1): Don't process
1364 2012-01-25 Georg-Johann Lay <avr@gjlay.de>
1367 Rename __pgm to __flash.
1368 Rename __pgm1 to __flash1.
1369 Rename __pgm2 to __flash2.
1370 Rename __pgm3 to __flash3.
1371 Rename __pgm4 to __flash4.
1372 Rename __pgm5 to __flash5.
1373 Rename __pgmx to __memx.
1374 * doc/extend.texi (AVR Named Address Spaces)
1375 Rename address space names as indicated above.
1376 * config/avr/avr.c (avr_addrspace): Ditto.
1378 * config/avr/avr-protos.h
1379 (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
1380 (avr_mem_pgm_p): Rename to avr_mem_flash_p.
1381 * config/avr/predicates.md: Ditto.
1382 * config/avr/avr.c Ditto, and
1383 (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
1384 (avr_decl_pgm_p): Rename to avr_decl_flash_p.
1386 * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
1387 (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
1388 (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
1389 (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
1390 (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
1391 (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
1392 (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
1393 * config/avr/avr.c: Ditto.
1394 * config/avr/avr.md: Ditto.
1396 2012-01-25 Jason Merrill <jason@redhat.com>
1399 * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
1401 2012-01-25 Jakub Jelinek <jakub@redhat.com>
1403 PR tree-optimization/51987
1404 * tree-data-ref.c (get_references_in_stmt): Handle references in
1405 non-volatile GIMPLE_ASM.
1407 2012-01-25 Richard Guenther <rguenther@suse.de>
1409 * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
1410 bases are dereferenced.
1412 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
1414 PR rtl-optimization/48374
1415 * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
1417 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
1419 * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
1420 compute_data_dependences_for_loop returns false.
1421 * tree-parloops.c (loop_parallel_p): Likewise.
1423 2012-01-25 Richard Guenther <rguenther@suse.de>
1425 * tree.h (get_pointer_alignment_1): Declare.
1426 * builtins.c (get_pointer_alignment_1): New function.
1427 (get_pointer_alignment): Use it.
1429 2012-01-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1431 PR rtl-optimization/48308
1432 * combine.c (enum undo_kind): Add UNDO_LINKS.
1433 (struct undo): Add member l to other_contents and where.
1434 (do_SUBST_LINK): New.
1436 (try_combine): Handle LOG_LINKS for the dummy i1 case.
1437 (undo_all): Handle UNDO_LINKS.
1439 2012-01-25 Richard Henderson <rth@redhat.com>
1441 * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
1444 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1446 * optabs.c (gen_atomic_test_and_set): Use each argument.
1448 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1450 * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
1451 (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
1452 (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
1453 (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
1454 (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
1455 TARGET_PAIRED_SINGLE_FLOAT.
1457 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1459 * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
1460 (in_struct, return_val): Remove MEM documentation.
1461 * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
1462 (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
1463 (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
1465 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
1466 * cfgexpand.c (add_alias_set_conflicts): Likewise.
1467 * expr.c (store_field): Likewise.
1468 * function.c (assign_stack_temp_for_type): Likewise.
1469 * ifcvt.c (noce_try_cmove_arith): Likewise.
1470 * reload1.c (reload): Likewise.
1471 * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
1472 (alpha_set_memflags): Likewise.
1473 * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
1475 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1477 * rtl.h (true_dependence, canon_true_dependence): Remove varies
1479 * alias.c (fixed_scalar_and_varying_struct_p): Delete.
1480 (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
1481 (true_dependence_1, true_dependence, canon_true_dependence): Remove
1483 * cselib.c (cselib_rtx_varies_p): Delete.
1484 (cselib_invalidate_mem): Update call to canon_true_dependence.
1485 * dse.c (record_store, check_mem_read_rtx): Likewise.
1486 (scan_reads_nospill): Likewise.
1487 * cse.c (check_dependence): Likewise.
1488 (cse_rtx_varies_p): Delete.
1489 * expr.c (safe_from_p): Update call to true_dependence.
1490 * ira.c (validate_equiv_mem_from_store): Likewise.
1491 (memref_referenced_p): Likewise.
1492 * postreload-gcse.c (find_mem_conflicts): Likewise.
1493 * sched-deps.c (sched_analyze_2): Likewise.
1494 * store-motion.c (load_kills_store): Likewise.
1495 * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
1496 * gcse.c (mems_conflict_for_gcse_p): Likewise.
1497 (compute_transp): Update call to canon_true_dependence.
1499 2012-01-25 Richard Henderson <rth@redhat.com>
1501 * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
1502 (maybe_emit_atomic_test_and_set): New.
1503 (expand_sync_lock_test_and_set): Use it.
1504 (expand_atomic_test_and_set): Likewise.
1505 * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
1506 the implementation; clarify implementation defined details.
1507 * doc/md.texi (atomic_test_and_set): Document.
1509 2012-01-25 Richard Henderson <rth@redhat.com>
1511 * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
1513 2012-01-25 Richard Henderson <rth@redhat.com>
1516 * config/arm/arm.c (neon_split_vcombine): Emit deleted note
1517 to effect no-op split.
1519 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
1522 * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
1523 (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
1524 (BT_FN_VOID_PTR_INT_SIZE): New.
1525 (BT_FN_UINT_UINT_VAR): Remove.
1526 (BT_FN_UINT32_UINT32_VAR): New.
1527 (BT_FN_DOUBLE_VPTR): Remove.
1528 (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
1530 * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
1531 (_ITM_changeTransactionMode): Same.
1532 (_ITM_memmoveRtWt): Change return type to void.
1533 (_ITM_memcpyRtWt): Same.
1534 (_ITM_memsetW): Same.
1535 (_ITM_RaRD): Change types to double.
1540 * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
1542 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
1543 Patrick Marlier <patrick.marlier@gmail.com>
1545 * trans-mem.c (requires_barrier): Do not instrument thread local
1546 variables and emit save/restore for them.
1548 2012-01-24 Jason Merrill <jason@redhat.com>
1551 * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
1552 output static aliases.
1554 2012-01-24 Jakub Jelinek <jakub@redhat.com>
1557 * common.opt (-pie, -shared, pie, shared): Change from Common to
1559 * gcc.c (display_help): Display help for -pie and -shared.
1561 2012-01-24 Georg-Johann Lay <avr@gjlay.de>
1564 * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
1565 Remove note on size/offset limitation.
1566 (AVR Variable Attributes): Add example how to read data located
1567 with progmem. Refer to named address spaces.
1568 * doc/invoke.texi (AVR Options): Fix typo.
1570 2012-01-24 Richard Guenther <rguenther@suse.de>
1572 Forward-port to trunk
1573 2010-09-21 Jakub Jelinek <jakub@redhat.com>
1576 * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
1577 op0 isn't sufficiently aligned and there is movmisalignM
1578 insn for mode, use it to load op0 into a temporary register.
1580 2012-01-24 Jakub Jelinek <jakub@redhat.com>
1583 * target.def (const_not_ok_for_debug_p): New hook.
1584 * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
1586 * doc/tm.texi: Regenerated.
1587 * dwarf2out.c (const_ok_for_output_1): If
1588 targetm.const_not_ok_for_debug_p returns true, fail.
1589 * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
1591 (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
1593 2012-01-23 Kai Tietz <ktietz@redhat.com>
1596 * config/i386/predicates.md (symbolic_operand): Allow
1597 UNSPEC_PCREL as PIC expression for lea.
1598 * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
1599 * config/i386/i386.c (ix86_delegitimize_address): Handle
1600 UNSPEC_PCREL for none-MEM, too.
1602 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
1604 * trans-mem.c (ipa_tm_create_version): Set externally_visible.
1605 (ipa_tm_create_version_alias): Same.
1607 2012-01-23 Uros Bizjak <ubizjak@gmail.com>
1610 * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
1611 * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
1613 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
1614 Patrick Marlier <patrick.marlier@gmail.com>
1615 Iain Sandoe <developer@sandoe-acoustics.co.uk>
1618 * lto-wrapper.c (run_gcc): Pass the LTO section name to
1619 simple_object_start_read.
1621 2012-01-23 Richard Guenther <rguenther@suse.de>
1624 PR tree-optimization/51895
1625 * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
1626 parameter decomposition into BLKmode components.
1628 2012-01-23 Eric Botcazou <ebotcazou@adacore.com>
1630 * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
1631 fake variables for restrict-qualified pointers whose pointed-to type
1632 contains a placeholder.
1634 2012-01-23 Richard Guenther <rguenther@suse.de>
1636 PR tree-optimization/51949
1637 * ipa-split.c (execute_split_functions): Do not split malloc functions.
1639 2012-01-23 Jakub Jelinek <jakub@redhat.com>
1641 PR rtl-optimization/51933
1642 * ree.c (transform_ifelse): Return true right away if dstreg is
1643 already wider or equal to cand->mode.
1644 (enum ext_modified_kind, struct ext_modified, ext_state): New types.
1645 (make_defs_and_copies_lists): Remove defs_list and copies_list
1646 arguments, add state argument, just truncate state->work_list
1647 instead of always allocating and freeing the vector. Assert that
1648 get_defs succeeds instead of returning 2. Changed return type to bool.
1649 (merge_def_and_ext): Add state argument. If SET_DEST doesn't
1650 have ext_src_mode, see if it has been modified already with the
1651 right kind of extension and has been extended before from the
1652 ext_src_mode. If SET_DEST is already wider or equal to cand->mode,
1653 just return true. Remember the original mode in state->modified array.
1654 (combine_reaching_defs): Add state argument. Don't allocate and
1655 free here def_list, copied_list and vec vectors, instead just
1656 VEC_truncate the vectors in *state. Don't handle outcome == 2 here.
1657 (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
1658 Add state variable, clear vectors in it, initialize state.modified
1659 if needed. Free all the vectors at the end and state.modified too.
1660 Don't skip a candidate if the extension expression has been modified.
1662 2012-01-22 Douglas B Rupp <rupp@gnat.com>
1665 * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
1666 configurations. Change triplet to i[34567]86-*-interix[3-9]*.
1667 (extra_options) interix.opt -> i386/interix.opt"
1668 (extra_objs):Add winnt-stubs.o
1669 * configure.ac: Add interix to target_os .comm on PE check.
1670 * configure: Regenerate.
1671 * config/interix3.h: Delete and move bits to..
1672 * config/interix.h: Delete and move bits to..
1673 * config/i386/i386-interix3.h: Delete and move bits to..
1674 * config/i386/i386-interix.h: ..here.
1675 (TARGET_CPU_DEFAULT): Remove redefinition.
1676 (TARGET_ASM_CONSTRUCTOR): Undefine.
1677 (SUBTARGET_SWITCHES): Define for ms-bitfields.
1678 (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
1679 (PTRDIFF_TYPE): Define.
1680 (LONG_DOUBLE_TYPE_SIZE): Define.
1681 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
1682 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
1683 (TARGET_SECTION_TYPE_FLAGS): Define.
1684 (ASM_DECLARE_FUNCTION_NAME): Define.
1685 (ASM_OUTPUT_EXTERNAL): Define.
1686 (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
1687 (ASM_OUTPUT_ALIGNED_BSS): Define.
1688 (PCC_BITFIELD_TYPE_MATTERS): Define.
1689 (USE_CONST_SECTION): Define.
1690 (SUBTARGET_ENCODE_SECTION_INFO): Remove.
1691 (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
1692 (SUPPORTS_ONE_ONLY): Remove.
1693 (I386_PE_STRIP_ENCODING): Define.
1694 * config/interix.opt: Delete and move bits to..
1695 * config/i386/interix.opt: ..here. New.
1696 (mpe-aligned-commons): Add.
1697 * config/i386/t-interix: Add copyright header.
1698 (winnt-stubs.o): Add rule.
1700 2012-01-22 Jason Merrill <jason@redhat.com>
1703 * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
1704 for extra name aliases.
1706 2012-01-22 Eric Botcazou <ebotcazou@adacore.com>
1708 PR rtl-optimization/51924
1709 * ree.c (combine_set_extension): Improve debugging message.
1710 (combine_reaching_defs): Likewise.
1711 (get_defs): Rename confusingly named variable.
1712 (find_and_remove_re): Skip a candidate if the extension expression has
1715 2012-01-21 Robert Millan <rmh@gnu.org>
1716 Gerald Pfeifer <gerald@pfeifer.com>
1718 * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
1719 (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
1721 2012-01-20 Jakub Jelinek <jakub@redhat.com>
1723 PR tree-optimization/51914
1724 * tree-vect-stmts.c (vectorizable_conversion): For
1725 cvt_type && modifier == WIDEN, put temporary with cvt_type
1726 at the beginning of vec_dsts and set vec_dest to temporary
1729 2012-01-20 Eric Botcazou <ebotcazou@adacore.com>
1731 * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
1733 2011-01-20 Tijl Coosemans <tijl@coosemans.org>
1735 * config/i386/i386.c: Fix checks for !TARGET_MACHO.
1736 * config/rs6000/rs6000.c: Likewise.
1738 2012-01-20 Jakub Jelinek <jakub@redhat.com>
1741 * config/arm/arm.c (arm_count_output_move_double_insns): Call
1742 output_move_double on a copy of operands array.
1744 2012-01-20 Cary Coutant <ccoutant@google.com>
1745 Dodji Seketeli <dodji@redhat.com>
1748 * dwarf2out.c (copy_declaration_context): Return ref to parent
1749 of declaration DIE, if necessary.
1750 (remove_child_or_replace_with_skeleton): Add new parameter; update
1751 caller. Place skeleton DIE under parent DIE of original declaration.
1752 Move call to copy_declaration_context to here ...
1753 (break_out_comdat_types): ... from here.
1755 2012-01-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1757 PR rtl-optimization/51856
1758 * reload.c (find_reloads_subreg_address): Set the address_reloaded
1761 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1764 * config/arm/arm.c (arm_print_operand): Correct output of alignment
1765 hints for neon loads and stores.
1767 2012-01-20 Georg-Johann Lay <avr@gjlay.de>
1771 * doc/extend.texi (Named Address Spaces): Split into subsections.
1772 (AVR Named Address Spaces): New subsection.
1773 (M32C Named Address Spaces): New subsection.
1774 (RL78 Named Address Spaces): New subsection.
1775 (SPU Named Address Spaces): New subsection.
1776 (Variable Attributes): New anchor "AVR Variable Attributes".
1777 (AVR Variable Attributes): Rewrite and avoid wording
1778 "address space" in this context.
1779 * doc/invoke.texi (AVR Options): Rewrite and add documentation
1780 for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
1781 (AVR Built-in Macros): New subsubsection therein.
1782 * doc/md.texi (AVR constraints): Remove "C04", "R".
1784 2012-01-20 Richard Guenther <rguenther@suse.de>
1786 PR tree-optimization/51903
1787 * tree-ssa-pre.c (eliminate): Properly purging of EH edges
1788 when removing stmts.
1790 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1793 * config/arm/arm.c (arm_load_pic_register): Use
1794 gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
1795 , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
1796 (arm_pic_static_addr): Likewise.
1797 (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
1798 (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
1799 * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
1800 (pic_load_addr_unified): New.
1802 2012-01-20 Andrey Belevantsev <abel@ispras.ru>
1805 * function.c (instantiate_virtual_regs_in_insn): Use
1806 delete_insn_and_edges when removing a wrong asm insn.
1808 2012-01-19 Vladimir Makarov <vmakarov@redhat.com>
1810 PR rtl-optimization/40761
1811 * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
1812 Add new member loop_num.
1813 (IRA_LOOP_NODE_BY_INDEX): Modify the check.
1814 (ira_build): Remove the parameter.
1816 * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
1817 (ira.c): Do not build CFG loops for one region allocation. Remove
1818 argument from ira_build call.
1820 * ira-build.c (init_loop_tree_node): New function.
1821 (create_loop_tree_nodes): Use it. Separate the case when CFG
1822 loops are not built.
1823 (more_one_region_p): Check current_loops.
1824 (finish_loop_tree_nodes): Separate the case when CFG loops are not
1826 (add_loop_to_tree): Process loop equal to NULL too.
1827 (form_loop_tree): Separate the case when CFG loops are not built.
1828 Use explicitly number for the root.
1829 (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
1831 (ira_print_expanded_allocno, loop_compare_func): Use loop_num
1832 instead of loop->num.
1833 (mark_loops_for_removal): Ditto. Use loop_num instead of loop->num.
1834 (mark_all_loops_for_removal): Ditto.
1835 (remove_unnecessary_regions): Separate the case when CFG loops
1837 (ira_build): Remove the parameter. Use explicit number of regions
1838 when CFG loops are not built.
1840 * ira-color.c (print_loop_title): Separate the case for the root node.
1841 Use loop_num instead of loop->num.
1842 (move_spill_restore): Use loop_num instead of loop->num.
1844 * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
1845 (change_loop): Ditto.
1846 (change_loop): Use loop_num instead of loop->num.
1848 * ira-lives.c (process_bb_node_lives): Ditto.
1850 * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
1852 * ira-conflicts.c (print_allocno_conflicts): Ditto.
1854 2012-01-19 Jakub Jelinek <jakub@redhat.com>
1857 * tree-mudflap.c (mf_artificial): New function.
1858 (execute_mudflap_function_ops, execute_mudflap_function_decls,
1859 mx_register_decls, mudflap_enqueue_decl): Use it.
1862 * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
1863 numbers in the insn pattern.
1865 2012-01-19 Michael Matz <matz@suse.de>
1867 PR tree-optimization/46590
1868 * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
1869 use it in remembering which conflicts we already created.
1870 (add_scope_conflicts): Adjust call to above, (de)allocate helper
1873 2012-01-19 Aldy Hernandez <aldyh@redhat.com>
1876 * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
1877 (merge_and_complain): Same.
1879 2012-01-19 Jakub Jelinek <jakub@redhat.com>
1882 * config/initfini-array.h: Guard content of the header
1883 with #ifdef HAVE_INITFINI_ARRAY.
1884 * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
1885 Add initfini-array.h to tm_file here.
1886 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
1887 * config.gcc: Don't add initfini-array.h to tm_file here.
1888 * configure: Regenerated.
1890 2012-01-19 Andrey Belevantsev <abel@ispras.ru>
1892 PR rtl-optimization/51505
1893 * df-problems.c (df_kill_notes): New parameter live. Update comment.
1894 Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
1895 (df_note_bb_compute): Update the call to df_kill_notes.
1897 2012-01-18 Aldy Hernandez <aldyh@redhat.com>
1899 * trans-mem.c (requires_barrier): Remove call to is_global_var.
1901 2012-01-18 Richard Guenther <rguenther@suse.de>
1903 * tree-ssa.c (useless_type_conversion_p): Remove special-casing
1904 of conversions to void *.
1906 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1907 Richard Sandiford <rdsandiford@googlemail.com>
1911 * optabs.h (simplify_expand_binop): Declare.
1912 * optabs.c (simplify_expand_binop): Make global.
1913 * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
1914 endian targets if the source cannot be exactly covered by word
1917 2012-01-17 Jakub Jelinek <jakub@redhat.com>
1920 * hard-reg-set.h (struct hard_reg_set_container): New type.
1921 * target.h (struct hard_reg_set_container): Forward declare.
1922 * target.def (set_up_by_prologue): New target hook.
1923 * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
1924 * doc/tm.texi: Regenerated.
1925 * function.c (thread_prologue_and_epilogue_insns): Change
1926 set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
1927 Call targetm.set_up_by_prologue on it.
1928 * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
1929 (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
1931 2012-01-17 Nick Clifton <nickc@redhat.com>
1933 * config/rx/rx.c (rx_can_use_simple_return): New function.
1934 * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
1935 * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
1937 2012-01-17 Richard Guenther <rguenther@suse.de>
1940 * expr.c (expand_assignment): Take address-space information
1941 from the address operand of MEM_REF and TARGET_MEM_REF.
1942 (expand_expr_real_1): Likewise.
1944 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1946 * ira.c (do_reload): Make sure ira_dump_file is re-set if no
1947 reload dump is requested.
1949 2012-01-17 Aldy Hernandez <aldyh@redhat.com>
1952 * trans-mem.c (requires_barrier): Call may_be_aliased.
1954 2012-01-17 Jakub Jelinek <jakub@redhat.com>
1956 PR tree-optimization/51877
1957 * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
1958 call arguments and fndecls compare equal, instead return false if they
1959 don't. Return true only if lhs1 and lhs2 are either both NULL, or
1960 both SSA_NAMEs that are valueized the same, or they satisfy
1963 2012-01-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1965 * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
1967 * configure: Regenerate.
1969 2012-01-16 Jan Hubicka <jh@suse.cz>
1973 * convert.c (convert_to_integer): Use fold_convert for
1974 converting an INTEGER_CST to integer type.
1976 2012-01-16 Jason Merrill <jason@redhat.com>
1979 * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
1981 2012-01-16 Jakub Jelinek <jakub@redhat.com>
1984 * config/s390/s390.c (s390_chunkify_start): Don't skip
1985 call insns followed by NOTE_INSN_CALL_ARG_LOCATION note. Skip
1986 NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
1987 If insn is followed by NOTE_INSN_VAR_LOCATION or
1988 NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
1989 Don't use location of note insns.
1991 PR tree-optimization/51865
1992 * tree-inline.c (tree_function_versioning): Call remap_decl
1993 on DECL_RESULT whenever it has VOID_TYPE_P type.
1995 2012-01-15 Richard Sandiford <rdsandiford@googlemail.com>
1997 * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
1998 for calls to locally-binding MIPS16 functions if only the return
1999 type uses float regs.
2001 2012-01-15 Chung-Lin Tang <cltang@codesourcery.com>
2002 Richard Sandiford <rdsandiford@googlemail.com>
2004 * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
2005 (SYMBOL_32_HIGH): Likewise.
2006 (mips_output_tls_reloc_directive): Declare.
2007 * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
2008 (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
2009 * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
2010 (mips_lo_relocs, mips_hi_relocs): Make extern.
2011 (mips16_stub_function): Move up file.
2012 (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
2013 (mips_symbolic_constant_p): Likewise. Remove SYMBOL_32_HIGH too.
2014 (mips_symbol_insns_1): Likewise. Check mips_use_pcrel_pool_p.
2015 (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
2016 SYMBOL_FORCE_TO_MEM. Only check mips_tls_symbol_ref_1 if it's false.
2017 (mips_get_tp): Add MIPS16 support.
2018 (mips_legitimize_tls_address): Remove MIPS16 sorry().
2019 Generalize DTPREL and TPREL handling.
2020 (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
2021 Add MIPS16 TLS support.
2022 (mips_output_tls_reloc_directive): New function.
2023 (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
2024 * config/mips/predicates.md (symbolic_operand_with_high)
2025 (tls_reloc_operand): New predicates.
2026 (force_to_mem_operand): Use mips_use_pcrel_pool_p.
2027 * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
2028 (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
2029 (*unshifted_high): New instruction. Use it for MIPS16 high splitter.
2030 (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
2031 (*tls_get_tp_mips16_call_<mode>): Likewise.
2033 2012-01-15 Uros Bizjak <ubizjak@gmail.com>
2035 PR rtl-optimization/51821
2036 * recog.c (peep2_find_free_register): Determine clobbered registers
2039 2012-01-14 Denis Chertykov <chertykov@gmail.com>
2042 * config/avr/avr-protos.h: Revert change of 2012-01-09.
2043 * config/avr/avr.c: Likewise.
2044 * config/avr/avr.h: Likewise.
2046 2012-01-13 Ian Lance Taylor <iant@google.com>
2049 * tree.h (TYPE_QUALS): Add cast to int.
2050 (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
2052 2012-01-13 Ian Lance Taylor <iant@google.com>
2054 * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
2055 comparing param_index to VEC_length result.
2057 2012-01-13 Steven Bosscher <steven@gcc.gnu.org>
2059 * c-decl.c: Do not include tree-mudflap.h
2060 * tree-optimize.c: Likewise.
2061 * Makefile.in: Update dependencies.
2063 2012-01-13 Richard Guenther <rguenther@suse.de>
2066 * gimplify.c (gimplify_modify_expr_rhs): For calls with a
2067 variable-sized result always use RSO.
2069 2012-01-12 DJ Delorie <dj@redhat.com>
2071 * cfgexpand.c (convert_debug_memory_address): Allow any valid
2072 pointer type, not just the default pointer type.
2074 2012-01-09 Richard Henderson <rth@redhat.com>
2075 Denis Chertykov <chertykov@gmail.com>
2078 * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
2079 * config/avr/avr.c (avr_can_eliminate): Simplify.
2080 (avr_initial_elimination_offset): Likewise.
2081 (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
2082 (expand_epilogue): Likewise.
2083 (avr_legitimize_address): Gut.
2084 (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
2085 (avr_hard_regno_nregs): New.
2086 (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
2087 (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
2088 * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
2089 add soft frame pointer.
2090 (CALL_USED_REGISTERS): Likewise.
2091 (REG_CLASS_CONTENTS): Likewise.
2092 (REGISTER_NAMES): Likewise.
2093 (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
2094 (HARD_FRAME_POINTER_REGNUM): New.
2095 (FRAME_POINTER_REGNUM): Use soft frame pointer.
2096 (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
2097 remove the HARD_FRAME_POINTER self-elimination.
2099 2012-01-12 Georg-Johann Lay <avr@gjlay.de>
2102 * config/avr/avr.c (avr_encode_section_info): Test for absence of
2103 DECL_EXTERNAL when checking for initializers of progmem variables.
2105 2012-01-12 Ira Rosen <irar@il.ibm.com>
2107 PR tree-optimization/51799
2108 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
2109 that the last operation is a type demotion.
2111 2012-01-12 Uros Bizjak <ubizjak@gmail.com>
2113 * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
2114 (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
2116 2012-01-11 Jakub Jelinek <jakub@redhat.com>
2119 * combine.c (distribute_notes): If i3 is a noreturn call,
2120 allow old_size to be equal to args_size and make sure the
2121 noreturn call gets REG_ARGS_SIZE note.
2122 * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
2123 on noreturn calls even when the delta is 0.
2125 2012-01-11 Nathan Sidwell <nathan@acm.org>
2127 * gcov.c (STRING_SIZE): Remove.
2128 (generate_results): Erase annotations for source files with no
2129 coverage information.
2131 (output_lines): Use it.
2133 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
2135 * gimple.h (gimplify_body): Remove first argument.
2136 * gimplify.c (copy_if_shared): Add DATA argument. Do not create the
2137 pointer set here, instead just pass DATA to walk_tree.
2138 (unshare_body): Remove BODY_P argument and adjust. Create the pointer
2139 set here and invoke copy_if_shared on the size trees of DECL_RESULT.
2140 (unvisit_body): Likewise, but with unmark_visited.
2141 (gimplify_body): Remove BODY_P argument and adjust.
2142 (gimplify_function_tree): Adjust call to gimplify_body.
2143 * omp-low.c (finalize_task_copyfn): Likewise.
2145 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
2147 * tree.h (build_function_decl_skip_args): Add boolean parameter.
2148 (build_function_type_skip_args): Delete.
2149 * tree.c (build_function_type_skip_args): Make static and add
2150 SKIP_RETURN parameter. Fix thinko in the handling of variants.
2151 (build_function_decl_skip_args): Add SKIP_RETURN parameter and
2152 pass it to build_function_type_skip_args.
2153 * cgraph.h (cgraph_function_versioning): Add boolean parameter.
2154 (tree_function_versioning): Likewise.
2155 * cgraph.c (cgraph_create_virtual_clone): Adjust call to
2156 build_function_decl_skip_args.
2157 * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
2158 and pass it to build_function_decl_skip_args/tree_function_versioning.
2159 (cgraph_materialize_clone): Adjust call to tree_function_versioning.
2160 * ipa-inline-transform.c (save_inline_function_body): Likewise.
2161 * trans-mem.c (ipa_tm_create_version): Likewise.
2162 * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
2163 * tree-inline.c (declare_return_variable): Remove always-true test.
2164 (tree_function_versioning): Add SKIP_RETURN parameter. If the function
2165 returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
2166 * ipa-split.c (split_function): Skip the return value for the split
2167 part if it doesn't return.
2169 2012-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
2171 PR tree-optimization/49642
2172 * ipa-split.c (forbidden_dominators): New variable.
2173 (check_forbidden_calls): New function.
2174 (dominated_by_forbidden): Likewise.
2175 (consider_split): Check for forbidden dominators.
2176 (execute_split_functions): Initialize and free forbidden
2177 dominators info; call check_forbidden_calls.
2179 2012-01-11 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
2181 * config/arm/arm.md (mov_notscc): Use MVN for false condition.
2183 2012-01-11 Nick Clifton <nickc@redhat.com>
2185 * config/rx/rx.md (return): Define pattern.
2187 2012-01-11 Richard Guenther <rguenther@suse.de>
2189 * doc/extend.texi (malloc attribute): Adjust according to
2192 2012-01-10 Aldy Hernandez <aldyh@redhat.com>
2193 Patrick Marlier <patrick.marlier@gmail.com>
2196 * trans-mem.c (get_cg_data): Traverse aliases if requested.
2197 (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
2198 (ipa_tm_note_irrevocable): Same.
2199 (ipa_tm_scan_irr_block): Same.
2200 (ipa_tm_decrement_clone_counts): Same.
2201 (ipa_tm_scan_irr_function): Same.
2202 (ipa_tm_create_version_alias): Same.
2203 (ipa_tm_create_version): Same.
2204 (ipa_tm_transform_calls_redirect): Same.
2205 (ipa_tm_transform_calls): Same.
2206 (ipa_tm_transform_transaction): Same.
2207 (ipa_tm_execute): Same.
2209 2012-01-10 Richard Guenther <rguenther@suse.de>
2212 * opts.c (common_handle_option): Handle -Werror.
2214 2012-01-10 Andreas Schwab <schwab@linux-m68k.org>
2216 * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
2219 2012-01-10 Jason Merrill <jason@redhat.com>
2221 * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
2224 2012-01-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2226 * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
2227 supports R_386_TLS_GD_PLT reloc.
2228 (gcc_cv_as_ix86_tlsldmplt): Check if linker
2229 supports R_386_TLS_LDM_PLT reloc.
2230 * configure: Regenerate.
2231 * config.in: Regenerate.
2233 2012-01-10 Georg-Johann Lay <avr@gjlay.de>
2236 Extend __pgmx semantics to linearize memory.
2237 * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
2238 determine if code comes inline or from libgcc.
2239 (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
2240 (movmem_qi, movmem_qi): Set constraint #2 to "n".
2241 (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
2242 (movmemx_qi, movmemx_hi): New insns.
2243 (xload_<mode>_libgcc): Rewrite to new insn condition.
2244 (xload_<mode>): Remove insns.
2245 * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
2246 cases that don't satisfy avr_xload_libgcc_p().
2247 (avr_addr_space_convert): Allow converting in any direction.
2248 (avr_addr_space_subset_p): Return always true.
2249 (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
2250 (avr_emit_movmemhi): Ditto.
2251 (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
2252 (avr_out_movmem): Ditto.
2253 (AVR_SYMBOL_FLAG_PROGMEM): New macro.
2254 (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
2255 (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
2256 (avr_encode_section_info): Encode 'progmem' in symbol flags.
2257 (output_reload_in_const): Don't zero-extend any 24-bit symbols.
2259 2012-01-10 Richard Guenther <rguenther@suse.de>
2261 PR tree-optimization/50913
2262 * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
2263 Require data-refs to be representable by Graphite with respect
2266 2012-01-10 Uros Bizjak <ubizjak@gmail.com>
2268 * config/i386/constraints.md ("L"): Return true for 0xffffffff.
2269 * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
2271 2012-01-10 Tom de Vries <tom@codesourcery.com>
2273 PR rtl-optimization/51271
2274 * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
2275 handling annulled branch.
2277 2012-01-10 Richard Henderson <rth@redhat.com>
2279 * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
2280 TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
2281 struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
2282 arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
2283 arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
2284 arm_expand_vec_perm_const): New.
2285 * config/arm/arm-protos.h: Update.
2286 * config/arm/neon.md (UNSPEC_VCONCAT): New.
2287 (*neon_vswp<VDQX>): New.
2288 (neon_vcombine<VDX>): Use neon_split_vcombine.
2289 (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
2290 * config/arm/vec-common.md (vec_perm_const<VALL>): New.
2291 (vec_perm<VE>): New.
2293 2012-01-10 Richard Henderson <rth@redhat.com>
2295 * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
2296 use it if reload_completed.
2297 (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
2298 arm_output_asm_insn, arm_process_output_memory_barrier,
2299 arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
2300 arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
2301 arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
2302 arm_process_output_sync_insn, arm_output_sync_insn,
2303 arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
2304 (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
2305 (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
2306 (emit_unlikely_jump): New.
2307 (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
2308 (arm_split_atomic_op): New.
2309 * config/arm/arm-protos.h: Update.
2310 * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
2311 (struct arm_sync_generator): Remove.
2312 * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
2313 VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
2314 (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
2315 (VUNSPEC_LL, VUNSPEC_SC): New.
2316 (sync_result, sync_memory, sync_required_value, sync_new_value,
2317 sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
2318 (attr length): Don't use arm_sync_loop_insns.
2319 (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
2320 (movsfcc, movdfcc): Likewise.
2321 * config/arm/constraints.md (Ua): New.
2322 * config/arm/prediates.md (mem_noofs_operand): New.
2323 (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
2324 (sync_clobber, sync_t2_reqd): Remove.
2325 (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
2326 (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
2327 (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
2328 (arm_sync_compare_and_swap<SIDI>): Remove.
2329 (arm_sync_compare_and_swap<NARROW>): Remove.
2330 (arm_sync_lock_test_and_set<SIDI>): Remove.
2331 (arm_sync_lock_test_and_set<NARROW>): Remove.
2332 (arm_sync_new_<syncop><SIDI>): Remove.
2333 (arm_sync_new_<syncop><NARROW>): Remove.
2334 (arm_sync_new_nand<SIDI>): Remove.
2335 (arm_sync_new_nand<NARROW>): Remove.
2336 (arm_sync_old_<syncop><SIDI>): Remove.
2337 (arm_sync_old_<syncop><NARROW>): Remove.
2338 (arm_sync_old_nand<SIDI>): Remove.
2339 (arm_sync_old_nand<NARROW>): Remove.
2340 (*memory_barrier): Merge arm_output_memory_barrier.
2341 (atomic_compare_and_swap<QHSD>): New.
2342 (atomic_compare_and_swap<NARROW>_1): New.
2343 (atomic_compare_and_swap<SIDI>_1): New.
2344 (atomic_exchange<QHSD>): New.
2345 (cas_cmp_operand, cas_cmp_str): New.
2346 (atomic_op_operand, atomic_op_str): New.
2347 (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
2348 (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
2349 (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
2350 (arm_load_exclusive<NARROW>): New.
2351 (arm_load_exclusivesi, arm_load_exclusivedi): New.
2352 (arm_store_exclusive<QHSD>): New.
2354 2012-01-09 Michael Meissner <meissner@linux.vnet.ibm.com>
2356 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
2357 reload patterns if -mvsx-scalar-memory.
2359 * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
2360 generated, even -mno-vsx-scalar-double was used.
2361 (vsx_xscvdpsp_scalar): Likewise.
2362 (vsx_xscvspdp_scalar2): Likewise.
2364 2012-01-09 Tom de Vries <tom@codesourcery.com>
2365 Andrew Pinski <apinski@cavium.com>
2368 * reorg.c (fill_slots_from_thread): Don't speculate
2369 frame-related insns.
2371 2012-01-09 Richard Sandiford <rdsandiford@googlemail.com>
2373 * sched-int.h (bb_note): Move to...
2374 * basic-block.h: ...here.
2375 * haifa-sched.c (bb_note): Move to...
2376 * cfgrtl.c: ...here.
2377 * function.c (next_block_for_reg): New function.
2378 (move_insn_for_shrink_wrap): Likewise.
2379 (prepare_shrink_wrap): Rewrite to use the above.
2381 2012-01-09 Aldy Hernandez <aldyh@redhat.com>
2383 * gimple.c (is_gimple_non_addressable): Remove.
2384 * gimple.h: Remove is_gimple_non_addressable.
2385 * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
2386 is_gimple_non_addressable.
2387 * trans-mem.c (expand_assign_tm): Same.
2389 2012-01-09 Richard Guenther <rguenther@suse.de>
2391 PR tree-optimization/51775
2392 * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
2393 * tree-ssa-pre.c (eliminate): Properly fixup EH info.
2395 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
2397 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
2399 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
2401 2012-01-09 Richard Guenther <rguenther@suse.de>
2403 * tree-streamer-out.c (write_ts_optimization): Fix spelling.
2405 2012-01-08 Jan Hubicka <jh@suse.cz>
2407 PR tree-optimize/51680
2408 * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
2409 on when known_vals needs to be computed; cleanup.
2411 2012-01-08 Jan Hubicka <jh@suse.cz>
2413 PR tree-optimize/51694
2414 * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
2416 2012-01-08 Jonathan Wakely <jwakely.gcc@gmail.com>
2418 * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
2419 for -std=c++98 and -std=c++11 too.
2421 2012-01-08 Chung-Lin Tang <cltang@codesourcery.com>
2423 * cfgloop.c (cancel_loop): Add free() of bbs array.
2425 2012-01-07 Jan Hubicka <jh@suse.cz>
2427 PR tree-optimization/51600
2428 * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
2429 that benefits small functions.
2431 2012-01-07 Jan Hubicka <jh@suse.cz>
2433 * ipa-inline.c (want_inline_small_function_p): Fix formating.
2435 2012-01-07 Jan Hubicka <jh@suse.cz>
2437 PR tree-optimization/51680
2438 * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
2439 whose inlining reduce unit size.
2441 2012-01-07 Alexandre Oliva <aoliva@redhat.com>
2444 * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
2445 Add canonical node to containing_mem chain after the non-canonical
2446 one, even if there weren't any locs to propagate.
2447 (remove_useless_values): Keep only canonical values.
2448 (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
2449 (cselib_invalidate_mem): Likewise. Ensure v is canonical, and
2450 canonicalize mem_chain elements that are not discarded.
2452 2012-01-06 Jakub Jelinek <jakub@redhat.com>
2455 * cgraphunit.c (cgraph_optimize): Call output_weakrefs
2456 before emitting functions.
2458 PR gcov-profile/50127
2459 * bb-reorder.c (partition_hot_cold_basic_blocks): Call
2460 clear_aux_for_blocks.
2462 2012-01-06 Alexandre Oliva <aoliva@redhat.com>
2465 * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
2467 2012-01-06 Arnaud Charlet <charlet@adacore.com>
2469 * c-decl.c (ext_block): Moved up.
2470 (collect_all_refs, for_each_global_decl): Take ext_block into account.
2472 2012-01-06 Han Shen <shenhan@google.com>
2474 Translate built-in include paths for sysroot.
2475 * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
2476 (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
2478 * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
2479 GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
2481 * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
2482 control whether sysroot should be prepended to gxx include dir.
2484 * configure: Regenerate.
2486 2012-01-06 Torvald Riegel <triegel@redhat.com>
2488 PR rtl-optimization/51771
2489 * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
2490 * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
2492 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
2494 PR tree-optimization/51315
2495 * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
2496 (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
2498 2012-01-05 Uros Bizjak <ubizjak@gmail.com>
2501 * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
2502 for shrp pattern. Correctly handle and fixup shift variable.
2503 Return false when shift > nelt for BYTES_BIG_ENDIAN target.
2505 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2508 * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
2509 note when !ACCUMULATE_OUTGOING_ARGS.
2511 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
2513 * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
2515 (extract_range_from_unary_expr_1): Avoid useless computations.
2517 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2519 PR rtl-optimization/51767
2520 * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
2521 of jump_block and add an extra edge for degenerated asm gotos.
2524 * stmt.c (check_unique_operand_names): Don't ICE during error
2525 reporting if i is from labels chain.
2528 * profile.c (branch_prob): Split bbs that have exit edge
2529 and need a fake entry edge too.
2531 2012-01-05 Jan Hubicka <jh@suse.cz>
2534 * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
2537 2012-01-05 Richard Guenther <rguenther@suse.de>
2540 * tree-streamer-out.c (write_ts_optimization): New function.
2541 (streamer_write_tree_body): Call it.
2542 * tree-streamer-in.c (lto_input_ts_optimization): New function.
2543 (streamer_read_tree_body): Call it.
2544 * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
2546 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2549 * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
2550 * gimplify.c (gimplify_cleanup_point_expr): Save and set
2551 in_cleanup_point_expr before gimplify_stmt call and restore it
2553 (gimplify_target_expr): Don't add {CLOBBER} cleanup if
2554 in_cleanup_point_expr is false.
2556 2012-01-05 Richard Guenther <rguenther@suse.de>
2559 * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
2561 * toplev.c (process_options): Reject combining mudflap and LTO.
2562 * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
2564 2012-01-05 Richard Guenther <rguenther@suse.de>
2566 PR tree-optimization/51760
2567 * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
2569 (bit_value_unop): Handle UNDEFINED operands.
2570 (bit_value_binop): Likewise.
2572 2012-01-05 Georg-Johann Lay <avr@gjlay.de>
2574 * config/avr/avr.c (avr_replace_prefix): Remove.
2575 (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
2576 (avr_asm_function_rodata_section): Ditto.
2577 (avr_asm_select_section): Ditto.
2579 2012-01-05 Marcus Shawcroft <marcus.shawcroft@arm.com>
2581 * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
2584 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2587 * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
2588 calls that have any non-fake successor edges.
2591 * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
2593 2012-01-04 Eric Botcazou <ebotcazou@adacore.com>
2595 PR tree-optimization/51624
2596 * tree-sra.c (build_ref_for_model): When replicating a chain of
2597 COMPONENT_REFs, stop as soon as the offset would become negative.
2599 2012-01-04 Jakub Jelinek <jakub@redhat.com>
2602 * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
2603 in .debug_loc on the floor.
2605 2012-01-04 Andrew Pinski <apinski@cavium.com>
2607 * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
2609 2012-01-04 Andrew Pinski <apinski@cavium.com>
2610 Adam Nemet <anemet@caviumnetworks.com>
2612 * config/mips/mips.md (size): Add SI and DI.
2613 (SIZE): New mode attribute.
2614 (U): New code attribute.
2615 * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
2616 (mips_lbux_<mode>): Delete.
2617 (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
2618 (mips_lhx): Use gen_mips_lhx_extsi.
2619 (mips_lhx_<mode>): Delete.
2621 (mips_l<size>x): New expand.
2622 (mips_lwx_<mode>): Delete.
2623 (mips_l<GPR:size>x_<P:mode>): New pattern.
2624 (*mips_lw<u>x_<P:mode>_ext): Likewise.
2625 * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
2626 * config/mips/mips.c (mips_lx_address_p): New function.
2627 (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
2628 (dsp64): New availability predicate.
2629 (mips_builtins): Add an entry for __builtin_mips_ldx.
2630 * config/mips/mips.h (ISA_HAS_LBX): New define.
2631 (ISA_HAS_LBUX): Likewise.
2632 (ISA_HAS_LHX): Likewise.
2633 (ISA_HAS_LHUX): Likewise.
2634 (ISA_HAS_LWX): Likewise.
2635 (ISA_HAS_LWUX): Likewise.
2636 (ISA_HAS_LDX): Likewise.
2637 * doc/extend.texi (__builtin_mips_ldx): Document.
2639 2012-01-04 Tristan Gingold <gingold@adacore.com>
2641 * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
2642 when long pointers are used.
2643 * config.build (*-*-*vms*): Handle all OpenVMS targets.
2644 (alpha64-dec-*vms*, alpha*-dec-*vms*)
2645 (ia64-hp-*vms*): Remove.
2646 * config/vms/xm-vms64.h: Delete.
2648 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
2651 * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
2653 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
2655 * opts.c (finish_options): Remove duplicate sorry.
2657 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
2660 * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
2663 2012-01-04 Richard Guenther <rguenther@suse.de>
2666 * tree.c (size_low_cst): New function.
2667 * tree.h (size_low_cst): Declare.
2668 * fold-const.c (fold_comparison): Use it to extract the low
2669 part of the POINTER_PLUS_EXPR offset.
2671 2012-01-04 Georg-Johann Lay <avr@gjlay.de>
2673 Fix clearing ZERO_REG
2674 * config/avr/avr.md (cc): Add alternative "ldi".
2675 (movqi_insn): Use it in cc attribute.
2676 * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
2677 (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
2678 (output_reload_insisf): Use ZERO_REG to pre-clear register.
2680 2012-01-04 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2682 * configure: Regenerate.
2684 2012-01-04 Richard Guenther <rguenther@suse.de>
2686 PR tree-optimization/49651
2687 * tree-ssa-structalias.c (type_can_have_subvars): New function.
2688 (var_can_have_subvars): Use it.
2689 (get_constraint_for_1): Only consider subfields if there can be any.
2691 2012-01-03 Jakub Jelinek <jakub@redhat.com>
2694 * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
2695 to its new canonical_cselib_val and the cselib_val was in
2696 first_containing_mem chain, but the canonical_cselib_val was not,
2697 add the latter into the chain.
2698 (cselib_invalidate_mem): Compare canonical_cselib_val of
2699 addr_list chain elt with v.
2702 * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
2703 dwarf2out_undef): Allocate e.info using ggc_strdup instead
2705 (output_macinfo_op): Don't ggc_strdup fd->filename.
2706 (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
2707 then ggc_strdup it. Don't free inc->info or cur->info.
2708 (output_macinfo): Don't free ref->info or file->info.
2710 2012-01-03 Ira Rosen <irar@il.ibm.com>
2712 PR tree-optimization/51269
2713 * tree-vect-loop-manip.c (set_prologue_iterations): Make
2714 first_niters a pointer.
2715 (slpeel_tree_peel_loop_to_edge): Likewise.
2716 (vect_do_peeling_for_loop_bound): Update call to
2717 slpeel_tree_peel_loop_to_edge.
2718 (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
2719 here. Remove it from the parameters list.
2720 (vect_do_peeling_for_alignment): Update calls and compute
2723 2012-01-03 Richard Guenther <rguenther@suse.de>
2725 PR tree-optimization/51070
2726 * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
2727 Properly handle calls.
2729 2012-01-03 Richard Guenther <rguenther@suse.de>
2731 PR tree-optimization/51692
2732 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
2733 the LHS of allocation stmts.
2735 2012-01-03 Olivier Hainque <hainque@adacore.com>
2737 * system.h: Prior to #define, #undef fopen and freopen unconditionally.
2739 2012-01-03 Olivier Hainque <hainque@adacore.com>
2741 * collect2.c (main): In AIX specific computations for vector
2742 insertions, use CONST_CAST2 to cast from char ** to const char **.
2744 2012-01-03 Richard Guenther <rguenther@suse.de>
2747 * dwarf2out.c (dwarf2out_finish): Always create a DIE for
2748 the context of a limbo DIE when it does not already exist.
2750 2012-01-03 Jakub Jelinek <jakub@redhat.com>
2752 PR tree-optimization/51719
2753 * value-prof.c (gimple_ic): When indirect call isn't noreturn,
2754 but direct call is, clear direct call's lhs and don't add fallthrough
2755 edge from dcall_bb to join_bb and PHIs.
2757 2012-01-03 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2759 * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
2760 the instructions emitted by the pattern.
2761 ("*TDC_insn_<mode>"): Add comment.
2763 2012-01-03 Richard Guenther <rguenther@suse.de>
2766 * fold-const.c (fold_comparison): Properly canonicalize
2767 tree offset and HOST_WIDE_INT bit position.
2769 2012-01-02 Uros Bizjak <ubizjak@gmail.com>
2771 * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
2772 operands for extzv pattern.
2774 2012-01-02 Jakub Jelinek <jakub@redhat.com>
2777 * cselib.c (add_mem_for_addr): Call canonical_cselib_val
2780 2012-01-02 Sandra Loosemore <sandra@codesourcery.com>
2782 * doc/invoke.texi (-flto and related options): Copy-edit.
2784 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
2786 * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
2788 2012-01-02 Jakub Jelinek <jakub@redhat.com>
2790 * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
2793 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
2795 * expr.h (move_by_pieces_ninsns): Declare.
2796 * expr.c (move_by_pieces_ninsns): Make external.
2797 * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
2798 (mips_store_by_pieces_p): Likewise.
2799 * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
2800 (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
2801 * config/mips/mips.c (mips_move_by_pieces_p): New function.
2802 (mips_store_by_pieces_p): Likewise.
2804 2012-01-02 Jakub Jelinek <jakub@redhat.com>
2806 * passes.c (register_one_dump_file): Free full_name.
2808 * reload1.c (reload): Don't allocate reg_max_ref_width here.
2809 (calculate_elim_costs_all_insns): Free offsets_at and
2810 offsets_known_at at the end and clear the pointers.
2812 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2814 * config/avr/avr.opt (-mbranch-cost): Fix double definition of
2815 this option introduced in r180739.
2817 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2820 * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
2821 (tmake_file target=avr): Add avr/t-multilib.
2823 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
2824 to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
2825 * config/avr/genmultilib.awk: New file.
2826 * config/avr/t-multilib: New auto-generated file.
2827 * config/avr/multilib.h: New auto-generated file.
2828 * config/avr/t-avr (AVR_MCUS): New variable.
2829 (genopt.sh): Use it.
2830 (s-mlib): Depend on t-multilib.
2831 (t-multilib, multilib.h): New dependencies.
2832 (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
2833 (MULTILIB_OPTIONS): Remove.
2834 (MULTILIB_MATCHES): Remove.
2835 (MULTILIB_DIRNAMES): Remove.
2836 (MULTILIB_EXCEPTIONS): Remove:
2837 * config/avr/genopt.sh: Don't use hard coded file name;
2838 pass AVR_MCUS from t-avr instead.
2840 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2842 * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
2844 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2846 Implement light-weight DImode support.
2847 * config/avr/avr-dimode.md: New file.
2848 * config/avr/avr.md: Include it.
2849 (adjust_len): Add plus64, compare64.
2850 (HIDI): Remove code iterator.
2851 (code_stdname): New code attribute.
2852 (rotx, rotsmode): Remove DI.
2853 (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
2855 * config/avr/avr-protos.h (avr_have_dimode): New.
2856 (avr_out_plus64, avr_out_compare64): New.
2857 * config/avr/avr.c (avr_out_compare): Handle DImode.
2858 (avr_have_dimode): New variable definition and initialization.
2859 (avr_out_compare64, avr_out_plus64): New functions.
2860 (avr_out_plus_1): Use simplify_unary_operation to negate xval.
2861 (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
2862 (avr_compare_pattern): Skip DImode comparisons.
2864 2012-01-02 Revital Eres <revital.eres@linaro.org>
2866 * ddg.c (def_has_ccmode_p): New function.
2867 (add_cross_iteration_register_deps,
2868 create_ddg_dep_from_intra_loop_link): Call it.
2870 2012-01-02 Richard Guenther <rguenther@suse.de>
2873 * invoke.texi (fassociative-math): Remove spurious paranthesis.
2875 2012-01-01 Jakub Jelinek <jakub@redhat.com>
2877 * gcc.c (process_command): Update copyright notice dates.
2878 * gcov.c (print_version): Likewise.
2879 * gcov-dump.c (print_version): Likewise.
2880 * mips-tfile.c (main): Likewise.
2881 * mips-tdump.c (main): Likewise.
2883 2012-01-01 Ira Rosen <irar@il.ibm.com>
2885 PR tree-optimization/51704
2886 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
2887 a use is inside the basic block or loop before accessing its vect info.
2889 2012-01-01 Jan Hubicka <jhjh@suse.cz>
2891 PR rtl-optimization/51069
2892 * cfgloopmanip.c (remove_path): Removing path making irreducible
2893 region unconditional makes BB part of the region.
2895 2012-01-01 Jakub Jelinek <jakub@redhat.com>
2897 PR tree-optimization/51683
2898 * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
2899 calls with side-effects.
2900 * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
2902 Copyright (C) 2012 Free Software Foundation, Inc.
2904 Copying and distribution of this file, with or without modification,
2905 are permitted in any medium without royalty provided the copyright
2906 notice and this notice are preserved.