1 2012-02-21 Quentin Neill <quentin.neill@amd.com>
4 * config/i386/bdver1.md (bdver1_call, bdver1_push,
5 bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
6 bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
7 bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
8 bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
9 bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
10 bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
11 bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
12 bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
13 bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
14 bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
15 bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
16 bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
17 bdver1_ssevector_avx256_unaligned_load,
18 bdver1_ssevector_sse128_unaligned_load,
19 bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
20 bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
21 bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
22 bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
23 bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
24 bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
25 bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
26 bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
27 bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
28 bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
29 bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
30 bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
31 bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
32 bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
33 bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
34 bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
35 bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
36 bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
37 bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
38 bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
39 bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
40 bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
41 bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
42 bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
43 bdver1_ssediv_double_load, bdver1_ssediv_double,
44 bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
45 Add "bdver2" attribute.
47 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
49 * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
50 default if possible and not specified otherwise.
52 2012-02-21 Richard Guenther <rguenther@suse.de>
55 * gimplify.c (create_tmp_from_val): Use the main variant type
56 for the type of the temporary we create.
58 2012-02-21 Richard Guenther <rguenther@suse.de>
60 PR tree-optimization/52324
61 * gimplify.c (gimplify_expr): When re-gimplifying expressions
62 do not gimplify a MEM_REF address operand if it is already
65 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
67 * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
68 TARGET_HARD_FLOAT with TARGET_HARD_DFP.
70 2012-02-21 Richard Guenther <rguenther@suse.de>
72 * tree-vect-stmts.c (vectorizable_load): Use pre-computed
75 2012-02-21 Jakub Jelinek <jakub@redhat.com>
77 PR tree-optimization/52318
78 * gimple-fold.c (gimplify_and_update_call_from_tree): Add
79 vdef also to non-pure/const call stmts in the sequence.
81 2012-02-20 David S. Miller <davem@davemloft.net>
83 * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
84 don't use the "rd %pc" instruction on v9 for PIC register loads.
86 2012-02-20 Aldy Hernandez <aldyh@redhat.com>
89 * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
90 in a transaction safe function.
92 2012-02-20 Kai Tietz <ktietz@redhat.com>
95 * stor-layout.c (place_field): Handle desired_align for
98 2012-02-20 Richard Guenther <rguenther@suse.de>
100 PR tree-optimization/52298
101 * tree-vect-stmts.c (vectorizable_store): Properly use
102 STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
104 (vectorizable_load): Likewise.
105 * tree-vect-data-refs.c (vect_analyze_data_ref_access):
106 Access DR_STEP after ensuring it is not NULL.
108 2012-02-20 Jakub Jelinek <jakub@redhat.com>
110 PR tree-optimization/52286
111 * fold-const.c (fold_binary_loc): For (X & C1) | C2
112 optimization use double_int_to_tree instead of build_int_cst_wide,
113 rewrite to use double_int vars.
115 2012-02-20 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
118 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
120 Remove -e 0 from $gcc_cv_ld invocation.
121 Only use __GLIBC_PREREQ if defined.
122 Enable on Solaris since Solaris 8 patch.
123 (gcc_SUN_LD_VERSION): New macro.
124 * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
125 gcc_SUN_LD_VERSION for version number format.
126 * configure: Regenerate.
127 * varasm.c (get_elf_initfini_array_priority_section): Set
128 SECTION_NOTYPE for non-default priority.
129 Use get_section instead of get_unnamed_section to emit
130 .init_array/.fini_array with default priority.
132 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
134 * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
135 (mips_get_tp): Set it. Record that __mips16_rdhwr binds locally.
136 (mips_start_unique_function, mips_output_mips16_rdhwr)
137 (mips_code_end): New functions.
138 (TARGET_ASM_CODE_END): Define.
140 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
142 * config/mips/mips.c (mips16_build_call_stub): Add CFI information
143 to stubs with non-sibling calls.
145 2012-02-18 Sandra Loosemore <sandra@codesourcery.com>
147 * doc/invoke.texi (-fira-* options): Copy-edit.
148 (ira-* parameters): Copy-edit.
150 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
152 * doc/invoke.texi: Minor copy-edits to bring into conformance with
153 GCC coding conventions.
155 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
157 * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
158 when used as adjectives.
160 2012-02-16 Sandra Loosemore <sandra@codesourcery.com>
162 * doc/invoke.texi: Clean up "that"/"which" confusion.
164 2012-02-17 Steven Bosscher <steven@gcc.gnu.org>
166 * system.h: Poison SMALL_REGISTER_CLASSES
167 * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
168 * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
170 2012-02-16 Jakub Jelinek <jakub@redhat.com>
172 PR tree-optimization/52285
173 * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
174 when deciding if a call is a tail call or tail recursion.
176 2012-02-16 Kai Tietz <ktietz@redhat.com>
178 * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
179 interger-constant displacement for UNSPEC_PCREL.
181 2012-02-16 Jakub Jelinek <jakub@redhat.com>
183 PR rtl-optimization/52208
184 * ira-costs.c (scan_one_insn): Don't decrease mem_cost
185 for MEMs with REG_EQUIV, if the MEM isn't general_operand.
187 PR tree-optimization/52255
188 * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
189 loop->header has virtual PHI, but exit_e->dest doesn't, add
190 virtual PHI to exit_e->dest and adjust all uses after the loop.
193 * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
194 children with clone_tree_hash, not after it.
196 2012-02-16 Iain Sandoe <iains@gcc.gnu.org>
198 * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
199 extended identifiers.
201 2012-02-16 Jakub Jelinek <jakub@redhat.com>
204 * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
205 a same_body_alias, also test whether e->callee isn't a former
206 or current clone of the decl this is a same body alias of.
209 * cgraphunit.c (verify_cgraph_node): Fix a typo.
211 2012-02-15 Sandra Loosemore <sandra@codesourcery.com>
213 * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
215 2012-02-15 Michael Meissner <meissner@linux.vnet.ibm.com>
218 * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
219 force_reg instead of copy_to_reg for better optimization. Force
220 non-register or memory operands into a register.
222 2012-02-15 Andrew MacLeod <amacleod@redhat.com>
224 * extend.texi: Reserve upper bits of memory model for future use.
226 2012-01-15 Georg-Johann Lay <avr@gjlay.de>
227 Anatoly Sokolov <aesok@post.ru>
228 Eric Weddington <eric.weddington@atmel.com>
231 * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
232 avrxmega4, avrxmega5, avrxmega6, avrxmega7.
233 Rewrite initializers for .macro.
234 * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
235 avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
236 atxmega32d4, atxmega32x1.
237 avrxmega4: atxmega64a3, atxmega64d3.
238 avrxmega5: atxmega64a1, atxmega64a1u.
239 avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
240 atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
241 avrxmega7: atxmega128a1, atxmega128a1u.
242 * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
243 ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
244 (struct base_arch_s): Rename reserved to xmega_p.
245 Rename reserved2 to have_rampd.
246 (AVR_XMEGA): New define.
247 (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
248 (AVR_HAVE_RAMPZ): Change definition to fit xmega.
249 * config/avr/predicates.md (io_address_operand): Take into
251 (low_io_address_operand): Ditto.
252 (high_io_address_operand): Ditto.
253 * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
254 (enabled, movhi_sp_r): Use them.
255 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
256 cpp_define_formatted to built-in define __AVR_ARCH__.
257 (__AVR_XMEGA__): New built-in define.
258 (__AVR_HAVE_RAMPD__): New built-in define.
259 (__AVR_HAVE_RAMPX__): New built-in define.
260 (__AVR_HAVE_RAMPY__): New built-in define.
261 (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
263 * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
264 (avr_option_override): Initialize them.
265 (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
266 (avr_init_expanders): Initialize them. No more block several calls.
267 (emit_push_sfr): New static function.
268 (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
270 (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
271 (avr_print_operand): Print addreeses as symbols for
272 RAMPX, RAMPY, RAMPD, CCP.
273 (output_movhi): Handle AVR_XMEGA when writing to SP.
274 (avr_out_movhi_mr_r_xmega): New static function.
275 (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
276 (avr_file_start): Print symbol defines for __RAMPX__, __RAMPY__,
277 __RAMPD__, __CCP__ as needed.
279 * config/avr/multilib.h: Regenerate.
280 * config/avr/t-multilib: Regenerate.
281 * config/avr/avr-tables.opt: Regenerate.
283 2012-02-15 Tobias Grosser <grosser@fim.uni-passau.de>
285 PR tree-optimization/50561
286 * graphite-flattening.c (lst_project_loop): Do not
287 remove old scattering dimensions after flattening.
288 (lst_do_flatten): Likewise.
290 2012-02-15 Georg-Johann Lay <avr@gjlay.de>
292 * doc/extend.texi (AVR Built-in Functions): Remove doc for
293 __builtin_avr_map8, __builtin_avr_map16.
294 Document __builtin_avr_insert_bits.
296 * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
297 (insert_bits): New insn.
298 (adjust_len.map_bits): Rename to insert_bits.
299 (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
300 * avr-protos.h (avr_out_map_bits): Remove.
301 (avr_out_insert_bits, avr_has_nibble_0xf): New.
302 * config/avr/constraints.md (Cxf,C0f): New.
303 * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
304 defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
305 New built-in define __BUILTIN_AVR_INSERT_BITS.
306 * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
307 (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
308 (avr_move_bits): Rewrite.
309 (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
311 (avr_map_op_t): New typedef.
312 (avr_map_op): New static variable.
313 (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
314 (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
315 (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
316 (bdesc_3arg, avr_expand_triop_builtin): New.
317 (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
318 (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
319 (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
320 (avr_map_equal_p, avr_map_sig_p): Remove.
321 (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
322 (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
323 (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
324 (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
325 (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
326 (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
328 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
330 * config/c6x/c6x.md (reserve_cycles): New attribute.
331 * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
332 don't reserve functional units after the branch occurs.
334 2012-02-14 Aldy Hernandez <aldyh@redhat.com>
337 * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
338 functions into non-tm_pure functions.
340 2012-02-14 Eric Botcazou <ebotcazou@adacore.com>
343 * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
344 (iterative_hash_canonical_type): Likewise.
345 * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
348 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
350 * haifa-sched.c (prune_ready_list): Ensure that if there is a
351 sched-group insn, it either remains alone or the entire list is
354 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
356 * doc/install.texi (Prerequisites): Fix grammar.
357 (Configuration): Likewise.
359 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
361 * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
362 MPC as part of GCC before describing configuring with --with-gmp etc.
363 (Installing GCC: Configuration): --with-gmp etc. aren't needed if
366 2012-02-14 Jakub Jelinek <jakub@redhat.com>
369 * dwarf2out.c (clone_tree_hash): New function.
370 (copy_decls_walk): Use it instead of clone_tree.
372 2012-02-14 Richard Guenther <rguenther@suse.de>
374 PR tree-optimization/52244
375 PR tree-optimization/51528
376 * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
377 replacements for integral types.
379 2012-02-14 Walter Lee <walt@tilera.com>
381 * config.gcc: Handle tilegx and tilepro.
382 * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
384 Add HAVE_AS_TLS check for tilegx and tilepro.
385 * configure: Regenerate.
386 * doc/contrib.texi: Add Mat Hostetter and self.
387 * doc/extend.texi (TILE-Gx Built-in Functions): New node.
388 Document instruction intrinsics and network accessing intrinsics.
389 (TILEPro Built-in Functions): New node. Document instruction
390 intrinsics and network accessing intrinsics.
391 * doc/install.texi (Specific, tilegx-*-linux*): Document it.
392 (Specific, tilepro-*-linux*): Likewise.
393 * doc/invoke.texi (TILE-Gx Options): New section.
394 (TILEPro Options): New section.
395 * doc/md.texi (TILE-Gx): New section.
396 (TILEPro): New section.
397 * common/config/tilegx/tilegx-common.c: New file.
398 * common/config/tilepro/tilepro-common.c: New file.
399 * config/tilegx/constraints.md: New file.
400 * config/tilegx/linux.h: New file.
401 * config/tilegx/mul-tables.c: New file.
402 * config/tilegx/predicates.md: New file.
403 * config/tilegx/sync.md: New file.
404 * config/tilegx/t-tilegx: New file.
405 * config/tilegx/tilegx-builtins.h: New file.
406 * config/tilegx/tilegx-c.c: New file.
407 * config/tilegx/tilegx-generic.md: New file.
408 * config/tilegx/tilegx-modes.def: New file.
409 * config/tilegx/tilegx-multiply.h: New file.
410 * config/tilegx/tilegx-protos.h: New file.
411 * config/tilegx/tilegx.c: New file.
412 * config/tilegx/tilegx.h: New file.
413 * config/tilegx/tilegx.md: New file.
414 * config/tilegx/tilegx.opt: New file.
415 * config/tilepro/constraints.md: New file.
416 * config/tilepro/gen-mul-tables.cc: New file.
417 * config/tilepro/linux.h: New file.
418 * config/tilepro/mul-tables.c: New file.
419 * config/tilepro/predicates.md: New file.
420 * config/tilepro/t-tilepro: New file.
421 * config/tilepro/tilepro-builtins.h: New file.
422 * config/tilepro/tilepro-c.c: New file.
423 * config/tilepro/tilepro-generic.md: New file.
424 * config/tilepro/tilepro-modes.def: New file.
425 * config/tilepro/tilepro-multiply.h: New file.
426 * config/tilepro/tilepro-protos.h: New file.
427 * config/tilepro/tilepro.c: New file.
428 * config/tilepro/tilepro.h: New file.
429 * config/tilepro/tilepro.md: New file.
430 * config/tilepro/tilepro.opt: New file.
432 2012-02-14 Jakub Jelinek <jakub@redhat.com>
434 PR tree-optimization/52210
435 * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
436 vect_model_simple_cost with two entry vect_def_type array instead
439 2012-02-14 Richard Guenther <rguenther@suse.de>
442 * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
443 Do not stream DECL_QUALIFIER.
444 * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
445 * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
446 (find_decls_types_r): Do not walk DECL_QUALIFIER.
448 2012-02-14 Jakub Jelinek <jakub@redhat.com>
451 * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
454 2012-02-13 Jakub Jelinek <jakub@redhat.com>
457 * cselib.h (cselib_subst_to_values_from_insn): New prototype.
458 * cselib.c (cselib_subst_to_values_from_insn): New function.
459 * sched-deps.c (add_insn_mem_dependence,
460 sched_analyze_1, sched_analyze_2): Use it.
462 2012-02-13 Jan Hubicka <jh@suse.cz>
465 * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
467 2012-02-13 Eric Botcazou <ebotcazou@adacore.com>
469 * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
470 (GTM_SELF_SPECS): Define if not already defined.
471 (driver_self_specs): Add GTM_SELF_SPECS.
472 * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
473 (GTM_SELF_SPECS): Define.
474 * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
475 * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
477 2012-02-13 Jakub Jelinek <jakub@redhat.com>
479 * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
482 * cselib.c (dump_cselib_val): Don't assume l->setting_insn is
486 * omp-low.c (expand_omp_for): If a static schedule without
487 chunk size has NULL region->cont, force fd.chunk_size to be
490 2012-02-13 Andrew MacLeod <amacleod@redhat.com>
493 * doc/extend.texi : Fix another __atomic_compare_exchange typo.
495 2012-02-13 Richard Guenther <rguenther@suse.de>
498 * passes.c (enable_disable_pass): Fix typo.
500 2012-02-13 Jakub Jelinek <jakub@redhat.com>
503 * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
504 XOR for reduce_bit_field if type is unsigned.
506 2012-02-12 Eric Botcazou <ebotcazou@adacore.com>
508 * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
509 disallow changes from SFmode to mode with different size in FP regs.
511 2012-02-12 Robert Millan <rmh@gnu.org>
512 Gerald Pfeifer <gerald@pfeifer.com>
514 * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
517 2012-02-11 Richard Sandiford <rdsandiford@googlemail.com>
519 PR rtl-optimization/52175
520 * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
521 to frame-related instructions.
523 2012-02-10 Jason Merrill <jason@redhat.com>
526 * tlink.c (demangled_hash_entry): Change mangled to a VEC.
527 (demangle_new_symbols): Fill it.
528 (scan_linker_output): Walk it.
529 (start_tweaking): Split out from scan_linker_output.
530 (maybe_tweak): Update sym->chosen.
531 * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
533 2012-02-11 Jakub Jelinek <jakub@redhat.com>
536 * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use
539 2012-02-11 Uros Bizjak <ubizjak@gmail.com>
541 * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
542 having the same mode as previous compare.
544 2012-02-10 Eric Botcazou <ebotcazou@adacore.com>
546 * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
547 * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
548 (nonlocal_goto_internal): Likewise.
549 (nonlocal_goto): Emit a use and an indirect jump directly.
551 2012-02-10 Andrew MacLeod <amacleod@redhat.com>
554 * doc/extend.texi : Update comments for __atomic_compare_exchange and
555 __atomic_{is,always}_lock_free.
557 2012-02-10 Uros Bizjak <ubizjak@gmail.com>
560 * config/i386/i386.c (ix86_legitimate_address_p): Disallow
561 negative constant address for x32.
563 2012-02-10 Richard Henderson <rth@redhat.com>
565 * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
566 * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
567 for GIMPLE_TRANSACTION. Tidy if's into a switch.
569 2012-02-10 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
570 Ira Rosen <irar@il.ibm.com>
572 PR tree-optimization/50031
573 * targhooks.c (default_builtin_vectorization_cost): Handle
575 * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
576 * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
577 all types of reduction and pattern statements.
578 (vect_estimate_min_profitable_iters): Likewise.
579 * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
580 (vect_get_load_cost): Use vec_perm for permutations; add dump logic
581 for explicit realigns.
582 (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
583 * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
585 * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
586 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
587 vec_perm for VSX and handle vec_promote_demote.
589 2012-02-10 Jakub Jelinek <jakub@redhat.com>
592 * builtins.c (fold_builtin_atomic_always_lock_free,
593 expand_builtin_atomic_always_lock_free,
594 fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
595 Return and/or test boolean_true_node/boolean_false_node instead of
596 integer_one_node/integer_zero_node.
598 2012-02-10 Jan Hubicka <jh@suse.cz>
601 * predict.c (predict_paths_for_bb): Prevent looping.
602 (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
604 2012-02-10 Roman Zhuykov <zhroma@ispras.ru>
606 * config/arm/arm.c (output_move_double): In one case properly
607 count number of instructions that will be emitted.
609 2012-02-10 Richard Guenther <rguenther@suse.de>
612 * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
614 2012-02-09 Peter Bergner <bergner@vnet.ibm.com>
617 * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
619 2012-02-09 Jakub Jelinek <jakub@redhat.com>
622 * var-tracking.c (emit_note_insn_var_location): If
623 EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
624 emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
625 non-NOTE_DURING_CALL_P insn.
627 2012-02-09 Bin Cheng <bin.cheng@arm.com>
630 * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
632 2012-02-08 Magnus Granberg <zorry@gentoo.org>
635 * gcc.c (switch_matches) Support switches with separated form,
638 2012-02-08 Georg-Johann Lay <avr@gjlay.de>
640 * config/avr/avr.md (SREG_ADDR): Remove constant definition.
643 * config/avr/avr.c (avr_addr_t): New typedef.
644 (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
645 (avr_init_expanders): Initialize it.
646 (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
648 (expand_epilogue): Ditto.
649 (avr_print_operand): Ditto.
650 (avr_file_start): Ditto.
651 (avr_emit_movmemhi): Ditto.
653 2012-02-08 Richard Guenther <rguenther@suse.de>
655 PR tree-optimization/46886
656 * tree-flow.h (do_while_loop_p): Declare.
657 * tree-ssa-loop-ch.c (do_while_loop_p): Export.
658 * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
660 2012-02-08 Andrew MacLeod <amacleod@redhat.com>
662 * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
663 always succeed for integers larger than a native word.
665 2012-02-08 Richard Guenther <rguenther@suse.de>
667 PR rtl-optimization/52170
668 * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
669 properly handle integer vector modes.
671 2012-02-08 Jakub Jelinek <jakub@redhat.com>
673 PR gcov-profile/52150
674 * coverage.c: Include target.h.
675 (build_var): Call targetm.strip_name_encoding on the assembler name.
676 Change one _ into . or $ if the target allows it.
677 * Makefile.in (coverage.o): Depend on $(TARGET_H).
679 PR rtl-optimization/52139
680 * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
681 is a BARRIER after emit_insn_after_noloc, move BB_END
682 to the last non-BARRIER insn before it.
684 2012-02-07 Richard Sandiford <rdsandiford@googlemail.com>
687 * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
688 (mips_gimplify_va_arg_expr): Call it instead of
689 std_gimplify_va_arg_expr.
691 2012-02-07 Michael Meissner <meissner@linux.vnet.ibm.com>
693 * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
694 message for -mno-pointers-to-nested-function.
696 2012-02-07 Eric Botcazou <ebotcazou@adacore.com>
699 * expr.c (get_inner_reference): If there is an offset, add a negative
700 bit position to it (if any).
702 2012-02-07 Jakub Jelinek <jakub@redhat.com>
704 PR rtl-optimization/52060
705 * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
706 copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
707 before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
708 and/or i0src_copy2 when needed.
710 2012-02-07 Jakub Jelinek <jakub@redhat.com>
712 * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
713 or LTOPLUGINSONAME if have_c.
715 * config/freebsd-spec.h: Add comment about what macros can be defined
717 (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
718 * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
721 2012-02-07 Richard Guenther <rguenther@suse.de>
723 * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
724 newline in -alias dumps.
726 2012-02-07 Kai Tietz <ktietz@redhat.com>
727 Dave Korn <dave.korn.cygwin@gmail.com>
730 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
731 Take care that typinfo gets dllexport-attribute.
733 2012-02-07 Jakub Jelinek <jakub@redhat.com>
736 * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
737 if modifier < EXPAND_SUM call force_operand on the result.
739 2012-02-07 Joern Rennecke <joern.rennecke@embecosm.com>
741 * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
742 adding __forwarder_dst__ prefix if a forwarder_section attribute is
744 (epiphany_function_type): Replace types for specific interrupts with
745 EPIPHANY_FUNCTION_INTERRUPT.
746 (EPIPHANY_INTERRUPT_P): Update.
747 * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
749 (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
750 <disinterrupt>: Affects type identity.
751 (epiphany_handle_interrupt_attribute): Handle variable number of
753 (epiphany_compute_function_type): Update for new
754 epiphany_function_type definition.
755 (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
756 handlers with a longcall forwarder.
757 (epiphany_start_function): Handle multiple interrupt arguments and/or
758 forwarder_section attribute.
760 * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
763 2012-02-07 Alan Modra <amodra@gmail.com>
766 * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
769 2012-02-06 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
771 PR tree-optimization/50969
772 * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
773 use vec_perm rather than vector_stmt.
774 (vect_model_load_cost): Likewise.
775 * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
776 vec_perm to be the same as other vector statements.
777 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
778 cost of vec_perm for TARGET_VSX.
780 2012-02-06 Richard Guenther <rguenther@suse.de>
782 PR tree-optimization/52115
783 * tree-sra.c (access_has_replacements_p): New function.
784 (sra_modify_assign): Use it to decide whether a use is uninitialized.
786 2012-02-06 Patrick Marlier <patrick.marlier@gmail.com>
789 * trans-mem.c (expand_call_tm): Add an assertion.
790 * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
793 2012-02-06 Richard Guenther <rguenther@suse.de>
795 PR tree-optimization/50955
796 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
797 raise cost of expressions that replace an address with an
798 expression based on a different pointer.
800 2012-02-06 Jakub Jelinek <jakub@redhat.com>
803 * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
804 CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
806 2012-02-06 Jonathan Wakely <jwakely.gcc@gmail.com>
809 * doc/invoke.texi (C++ Dialect Options): Use @option markup for
810 -Weffc++ and specify guidelines come from second edition.
812 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
814 * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
815 (sibcall_value_multiple_internal, call_split, call_internal_direct)
816 (call_direct_split, call_value_split, call_value_internal_direct)
817 (call_value_direct_split, call_value_multiple_split): Use jal and
818 jal_macro attributes.
820 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
822 * reload1.c (reload_regs_reach_end_p): Replace with...
823 (reload_reg_rtx_reaches_end_p): ...this function.
824 (new_spill_reg_store): Update commentary.
825 (emit_input_reload_insns): Don't clear new_spill_reg_store here.
826 (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
827 before setting new_spill_reg_store.
828 (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
829 Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
830 Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
831 for non-spill reload registers.
833 2012-02-05 Ira Rosen <irar@il.ibm.com>
835 PR tree-optimization/52091
836 * tree-vectorizer.h (vect_is_simple_use): Add an argument.
837 (vect_is_simple_use_1): Likewise.
838 * tree-vect-loop.c (vectorizable_reduction): Update calls
839 to vect_is_simple_use_1 and vect_is_simple_use.
840 (vectorizable_live_operation): Likewise.
841 * tree-vect-patterns.c (widened_name_p,
842 vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
843 * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
844 vectorizable_call, vectorizable_conversion, vectorizable_assignment,
845 vectorizable_shift,vectorizable_operation, vectorizable_store,
846 vectorizable_load): Likewise.
847 (vect_is_simple_cond): Add an argument, pass it to
848 vect_is_simple_use_1.
849 (vectorizable_condition): Update calls to vect_is_simple_cond,
851 (vect_is_simple_use): Add an argument, the statement in which
852 OPERAND is used. Check that if OPERAND's def stmt is a double
853 reduction phi node, the use is a phi node too.
854 (vect_is_simple_use_1): Add an argument, pass it to
856 * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
857 to vect_is_simple_use.
859 2012-02-04 Jakub Jelinek <jakub@redhat.com>
861 PR rtl-optimization/52095
862 * modulo-sched.c (dump_insn_locator): New function.
863 (loop_canon_p, sms_schedule): Use it.
865 PR rtl-optimization/52113
866 * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
867 even for decomposable shift/zext insns.
869 2012-02-03 Jakub Jelinek <jakub@redhat.com>
870 Zdenek Dvorak <ook@ucw.cz>
872 PR rtl-optimization/52092
873 * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
874 on get_iv_value result.
876 2012-02-02 Andrew Pinski <apinski@cavium.com>
880 * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
882 2012-02-02 Jakub Jelinek <jakub@redhat.com>
885 * diagnostic.c (diagnostic_finish): Remove trailing newlines.
887 2012-02-02 Vladimir Makarov <vmakarov@redhat.com>
889 PR rtl-optimization/49800
890 * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
891 (sched_finish): Call regstat_free_n_sets_and_refs.
893 2012-02-02 Jia Liu <proljc@gmail.com>
895 * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
898 2012-02-02 Jan Hubicka <jh@suse.cz>
899 Tom de Vries <tom@codesourcery.com>
902 * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
903 * varpool.c (varpool_analyze_pending_decls): Likewise.
905 2012-02-02 Sumanth G <sumanth.gundapaneni@kpitcummins.com>
906 Jayant R Sonar <jayant.sonar@kpitcummins.com>
908 * config.gcc: Add cr16-* support.
910 * doc/extend.texi: Document cr16 extensions.
911 * doc/install.texi: Document cr16 install.
912 * doc/invoke.texi: Document cr16 options.
913 * doc/md.texi: Document cr16 constraints.
915 * common/config/cr16/cr16-common.c: New file.
916 * config/cr16/cr16.c: New file.
917 * config/cr16/cr16.h: New file.
918 * config/cr16/cr16.md: New file.
919 * config/cr16/cr16.opt: New file.
920 * config/cr16/cr16-protos.h: New file.
921 * config/cr16/predicates.md: New file.
922 * config/cr16/constraints.md: New file.
923 * config/cr16/t-cr16: New file.
925 2012-02-02 Jakub Jelinek <jakub@redhat.com>
928 * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
929 that operands[2] is either immediate, or q_regs_operand.
931 PR tree-optimization/52073
932 * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
933 a pattern stmt for pattern uses, ignore uses outside of the loop.
935 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
937 * config/avr/avr.c: Resolve all AS1 and AS2 macros.
938 * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
939 (OUT_AS1, OUT_AS2): Remove.
941 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
943 PR rtl-optimization/51374
944 * combine.c (can_combine_p): Don't allow volatile_refs_p insns
945 to cross other volatile_refs_p insns.
947 2012-02-01 Richard Guenther <rguenther@suse.de>
949 * doc/invoke.texi (fno-inline): Clarify documentation.
950 (finline-small-functions): Likewise.
951 (finline-functions): Likewise.
952 * common.opt (finline): Adjust comment and documentation.
953 (finline-small-functions): Clarify documentation.
954 (finline-functions): Likewise.
955 (finline-functions-called-once): Likewise.
957 2012-02-01 Tristan Gingold <gingold@adacore.com>
959 * c-typeck.c (composite_type): Keep mode for pointers.
961 2012-01-31 Richard Sandiford <rdsandiford@googlemail.com>
963 * function.h (regno_reg_rtx): Adjust comment.
964 * reginfo.c (init_reg_modes_target): Only use the previous mode
965 if it fits within one register. Remove MIPS comment.
967 2012-01-31 Jakub Jelinek <jakub@redhat.com>
970 * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
972 2012-01-31 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
974 * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
977 2012-01-31 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
979 * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
981 2012-01-31 Jakub Jelinek <jakub@redhat.com>
986 * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
988 2012-01-31 Richard Guenther <rguenther@suse.de>
990 PR tree-optimization/51528
991 * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
994 2012-01-31 Jakub Jelinek <jakub@redhat.com>
999 * ree.c (add_removable_extension): Change def_map argument
1000 to unsigned *, store in def_map 1 + offset into *insn_list vector
1001 instead of pointers into the vector.
1002 (find_removable_extensions): Adjust caller.
1004 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
1006 * config/avr/avr.md: Resolve all AS1 and AS2 macros.
1007 Transform all "* quoted-c-code" to { c-code }.
1008 Remove redundant test for "optimize" in combine patterns.
1009 Move (include "avr-dimode.md") to end of file.
1011 2012-01-30 Bin Cheng <bin.cheng@arm.com>
1014 * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
1015 for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
1017 2012-01-30 Richard Guenther <rguenther@suse.de>
1019 PR tree-optimization/52028
1020 * tree-loop-distribution.c (ldist_gen): Properly update
1023 2012-01-30 Jakub Jelinek <jakub@redhat.com>
1026 * dwarf2out.c (dwarf2out_switch_text_section): Don't call
1027 set_cur_line_info_table if not emitting debug info.
1029 PR tree-optimization/52046
1030 * tree-vect-patterns.c (check_bool_pattern): Give up if
1031 a comparison could throw.
1034 * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
1036 2012-01-30 Richard Guenther <rguenther@suse.de>
1038 PR tree-optimization/52045
1039 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
1040 SSA form if cfgcleanup did anything.
1042 2012-01-30 Richard Guenther <rguenther@suse.de>
1044 PR tree-optimization/52045
1045 * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
1046 before computing final todo.
1048 2012-01-30 Richard Guenther <rguenther@suse.de>
1050 PR tree-optimization/51528
1051 * tree-sra.c (sra_modify_assign): Re-factor in preparation
1054 2012-01-30 Paolo Bonzini <bonzini@gnu.org>
1056 * df-problems.c (df_kill_notes): Check that the use refers
1057 to the note under examination.
1059 2012-01-30 Eric Botcazou <ebotcazou@adacore.com>
1062 * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
1063 parameter and use short-lived pseudos.
1064 (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
1065 (sparc_expand_vector_init): Const-ify local variables and adjust
1066 calls to above functions.
1068 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
1070 * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
1072 2012-01-29 Sandra Loosemore <sandra@codesourcery.com>
1074 * doc/invoke.texi: Make usage of "compile time" and
1075 "run time"/"runtime" consistent throughout the file.
1077 2012-01-29 Uros Bizjak <ubizjak@gmail.com>
1079 * config/alpha/alpha.c (alpha_option_override): Default to
1080 full IEEE compliance mode for Go language.
1082 2011-01-29 Tijl Coosemans <tijl@coosemans.org>
1084 * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
1085 (LINK_SSP_SPEC): Define.
1087 2012-01-28 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1090 * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
1093 2012-01-28 Sandra Loosemore <sandra@codesourcery.com>
1095 * doc/invoke.texi: Correct hyphenation of "floating point",
1096 "double precision", and related terminology throughout the file.
1098 2012-01-28 Jakub Jelinek <jakub@redhat.com>
1101 * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
1102 arm_general_register_operand predicate for operand 2 instead of
1105 2012-01-27 Ian Lance Taylor <iant@google.com>
1108 * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
1109 * builtins.c (expand_builtin_init_trampoline): Add onstack
1110 parameter. Change caller.
1111 (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
1112 * tree.c (build_common_builtin_nodes): Declare
1113 __builtin_init_heap_trampoline.
1115 2012-01-27 Georg-Johann Lay <avr@gjlay.de>
1117 * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
1118 tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
1119 * config/avr/avr.c: Ditto.
1120 (avr_regnames): Remove because unused.
1121 * config/avr/avr.md (*cpse.ne): New peephole.
1122 (*cpse.eq): New peephole from former cpse peepholes.
1124 2012-01-27 Michael Eager <eager@eagercon.com>
1126 * config/microblaze.c (microblaze_emit_compare): Correct
1127 test after pcmp instruction.
1129 2012-01-27 Richard Guenther <rguenther@suse.de>
1131 PR tree-optimization/52020
1132 * tree-sra.c (sra_modify_assign): Do not transform clobbers.
1134 2012-01-27 Richard Guenther <rguenther@suse.de>
1136 * ipa-pure-const.c (check_stmt): Clobbers do not make a
1137 function non-const/pure.
1139 2012-01-27 Richard Guenther <rguenther@suse.de>
1141 PR tree-optimization/50444
1142 * tree-sra.c (build_ref_for_offset): Properly adjust the
1143 MEM_REF type for unaligned accesses.
1145 2012-01-27 Richard Guenther <rguenther@suse.de>
1147 PR tree-optimization/50444
1148 * expr.c (mem_ref_refers_to_non_mem_p): New function.
1149 (expand_assignment): Use it. Properly handle misaligned
1150 bases when expanding stores to component references.
1151 (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
1154 2012-01-27 Andrey Belevantsev <abel@ispras.ru>
1157 * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
1158 * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
1159 * tree-data-ref.c (find_data_references_in_loop): Make static.
1160 (compute_all_dependences): Change return type to bool. Bail out
1161 for too many datarefs in a loop. Move the hunk resetting the data
1162 dependences vector from ...
1163 (compute_data_dependences_for_loop): ... here. Account for
1164 compute_all_dependences returning false.
1165 (compute_data_dependences_for_bb): Likewise.
1166 * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
1167 * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
1169 2012-01-27 Richard Guenther <rguenther@suse.de>
1172 * expr.c (store_field): Use the alias-set of the scratch memory
1175 2012-01-27 Tom de Vries <tom@codesourcery.com>
1177 PR tree-optimization/51990
1178 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
1180 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
1182 2012-01-27 Jakub Jelinek <jakub@redhat.com>
1185 * var-tracking.c (reverse_op): Don't add any reverse operation
1186 if V already has any constant locations.
1188 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
1190 * doc/invoke.texi: Correct usage of "command line" (noun)
1191 vs "command-line" (adjective) throughout.
1193 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
1195 * doc/invoke.texi (Language Independent Options): Move
1196 -Wcoverage-mismatch blurb from here....
1197 (Warning Options): ...to here.
1199 2012-01-27 Peter Bergner <bergner@vnet.ibm.com>
1201 * config/rs6000/rs6000.c (rs6000_option_override_internal):
1202 Set rs6000_always_hint to false for 476.
1204 2012-01-27 Matthias Klose <doko@ubuntu.com>
1206 * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
1208 * incpath.c (add_standard_paths): Likewise.
1210 2012-01-27 Richard Henderson <rth@redhat.com>
1212 * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
1213 * config/m68k/sync.md (atomic_test_and_set): Rename from
1214 sync_test_and_setqi and adjust the operands.
1215 (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
1216 and unconditionally enable.
1218 2012-01-27 Richard Henderson <rth@redhat.com>
1220 * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
1221 * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
1222 (ldstub): Rename from ldstubqi.
1223 (ldstub<I24MODE>): Remove.
1225 2012-01-27 Richard Henderson <rth@redhat.com>
1227 * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
1228 * c-cppbuiltin.c (cpp_atomic_builtins): Define
1229 __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
1230 * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
1231 * doc/tm.texi: Rebuild.
1233 2012-01-27 Richard Henderson <rth@redhat.com>
1235 * optabs.c (gen_atomic_test_and_set): Remove default.
1236 (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
1238 2012-01-26 Jakub Jelinek <jakub@redhat.com>
1240 PR rtl-optimization/51978
1241 * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
1242 (combine_reaching_defs): Likewise.
1243 (struct re_info): Remove.
1244 (add_removable_extension): Remove x and data arguments,
1245 add insn, insn_list and def_map. Use the arguments directly
1246 instead of using struct re_info.
1247 (find_removable_extensions): Don't call add_removable_extension
1248 through note_stores, instead just call it with single_set
1250 (find_and_remove_re): Pass curr_cand->expr instead of
1251 PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
1253 2012-01-26 Michael Matz <matz@suse.de>
1255 PR tree-optimization/46590
1256 * cfgexpand.c: Revert last change (r183305).
1257 * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
1259 * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
1260 checking for emptiness.
1262 2012-01-26 Jakub Jelinek <jakub@redhat.com>
1265 * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
1266 non-addressable non-BLKmode base correctly.
1268 2012-01-26 Michael Matz <matz@suse.de>
1270 PR tree-optimization/48794
1271 * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
1272 regions referenced from RESX/EH_DISPATCH.
1274 2012-01-26 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1276 * config/s390/s390.h: Make BRANCH_COST an option.
1277 * config/s390/s390.opt: New option -mbranch-cost.
1279 2012-01-26 Richard Henderson <rth@redhat.com>
1281 Revert 2012-01-24 change:
1282 * trans-mem.c (requires_barrier): Do not instrument thread local
1283 variables and emit save/restore for them.
1285 2012-01-25 Jakub Jelinek <jakub@redhat.com>
1288 * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
1291 2012-01-25 Richard Sandiford <rdsandiford@googlemail.com>
1293 * config/mips/mips.c (mips_small_data_pattern_1): Don't process
1296 2012-01-25 Georg-Johann Lay <avr@gjlay.de>
1299 Rename __pgm to __flash.
1300 Rename __pgm1 to __flash1.
1301 Rename __pgm2 to __flash2.
1302 Rename __pgm3 to __flash3.
1303 Rename __pgm4 to __flash4.
1304 Rename __pgm5 to __flash5.
1305 Rename __pgmx to __memx.
1306 * doc/extend.texi (AVR Named Address Spaces)
1307 Rename address space names as indicated above.
1308 * config/avr/avr.c (avr_addrspace): Ditto.
1310 * config/avr/avr-protos.h
1311 (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
1312 (avr_mem_pgm_p): Rename to avr_mem_flash_p.
1313 * config/avr/predicates.md: Ditto.
1314 * config/avr/avr.c Ditto, and
1315 (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
1316 (avr_decl_pgm_p): Rename to avr_decl_flash_p.
1318 * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
1319 (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
1320 (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
1321 (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
1322 (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
1323 (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
1324 (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
1325 * config/avr/avr.c: Ditto.
1326 * config/avr/avr.md: Ditto.
1328 2012-01-25 Jason Merrill <jason@redhat.com>
1331 * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
1333 2012-01-25 Jakub Jelinek <jakub@redhat.com>
1335 PR tree-optimization/51987
1336 * tree-data-ref.c (get_references_in_stmt): Handle references in
1337 non-volatile GIMPLE_ASM.
1339 2012-01-25 Richard Guenther <rguenther@suse.de>
1341 * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
1342 bases are dereferenced.
1344 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
1346 PR rtl-optimization/48374
1347 * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
1349 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
1351 * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
1352 compute_data_dependences_for_loop returns false.
1353 * tree-parloops.c (loop_parallel_p): Likewise.
1355 2012-01-25 Richard Guenther <rguenther@suse.de>
1357 * tree.h (get_pointer_alignment_1): Declare.
1358 * builtins.c (get_pointer_alignment_1): New function.
1359 (get_pointer_alignment): Use it.
1361 2012-01-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1363 PR rtl-optimization/48308
1364 * combine.c (enum undo_kind): Add UNDO_LINKS.
1365 (struct undo): Add member l to other_contents and where.
1366 (do_SUBST_LINK): New.
1368 (try_combine): Handle LOG_LINKS for the dummy i1 case.
1369 (undo_all): Handle UNDO_LINKS.
1371 2012-01-25 Richard Henderson <rth@redhat.com>
1373 * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
1376 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1378 * optabs.c (gen_atomic_test_and_set): Use each argument.
1380 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1382 * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
1383 (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
1384 (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
1385 (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
1386 (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
1387 TARGET_PAIRED_SINGLE_FLOAT.
1389 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1391 * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
1392 (in_struct, return_val): Remove MEM documentation.
1393 * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
1394 (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
1395 (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
1397 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
1398 * cfgexpand.c (add_alias_set_conflicts): Likewise.
1399 * expr.c (store_field): Likewise.
1400 * function.c (assign_stack_temp_for_type): Likewise.
1401 * ifcvt.c (noce_try_cmove_arith): Likewise.
1402 * reload1.c (reload): Likewise.
1403 * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
1404 (alpha_set_memflags): Likewise.
1405 * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
1407 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1409 * rtl.h (true_dependence, canon_true_dependence): Remove varies
1411 * alias.c (fixed_scalar_and_varying_struct_p): Delete.
1412 (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
1413 (true_dependence_1, true_dependence, canon_true_dependence): Remove
1415 * cselib.c (cselib_rtx_varies_p): Delete.
1416 (cselib_invalidate_mem): Update call to canon_true_dependence.
1417 * dse.c (record_store, check_mem_read_rtx): Likewise.
1418 (scan_reads_nospill): Likewise.
1419 * cse.c (check_dependence): Likewise.
1420 (cse_rtx_varies_p): Delete.
1421 * expr.c (safe_from_p): Update call to true_dependence.
1422 * ira.c (validate_equiv_mem_from_store): Likewise.
1423 (memref_referenced_p): Likewise.
1424 * postreload-gcse.c (find_mem_conflicts): Likewise.
1425 * sched-deps.c (sched_analyze_2): Likewise.
1426 * store-motion.c (load_kills_store): Likewise.
1427 * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
1428 * gcse.c (mems_conflict_for_gcse_p): Likewise.
1429 (compute_transp): Update call to canon_true_dependence.
1431 2012-01-25 Richard Henderson <rth@redhat.com>
1433 * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
1434 (maybe_emit_atomic_test_and_set): New.
1435 (expand_sync_lock_test_and_set): Use it.
1436 (expand_atomic_test_and_set): Likewise.
1437 * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
1438 the implementation; clarify implementation defined details.
1439 * doc/md.texi (atomic_test_and_set): Document.
1441 2012-01-25 Richard Henderson <rth@redhat.com>
1443 * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
1445 2012-01-25 Richard Henderson <rth@redhat.com>
1448 * config/arm/arm.c (neon_split_vcombine): Emit deleted note
1449 to effect no-op split.
1451 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
1454 * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
1455 (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
1456 (BT_FN_VOID_PTR_INT_SIZE): New.
1457 (BT_FN_UINT_UINT_VAR): Remove.
1458 (BT_FN_UINT32_UINT32_VAR): New.
1459 (BT_FN_DOUBLE_VPTR): Remove.
1460 (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
1462 * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
1463 (_ITM_changeTransactionMode): Same.
1464 (_ITM_memmoveRtWt): Change return type to void.
1465 (_ITM_memcpyRtWt): Same.
1466 (_ITM_memsetW): Same.
1467 (_ITM_RaRD): Change types to double.
1472 * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
1474 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
1475 Patrick Marlier <patrick.marlier@gmail.com>
1477 * trans-mem.c (requires_barrier): Do not instrument thread local
1478 variables and emit save/restore for them.
1480 2012-01-24 Jason Merrill <jason@redhat.com>
1483 * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
1484 output static aliases.
1486 2012-01-24 Jakub Jelinek <jakub@redhat.com>
1489 * common.opt (-pie, -shared, pie, shared): Change from Common to
1491 * gcc.c (display_help): Display help for -pie and -shared.
1493 2012-01-24 Georg-Johann Lay <avr@gjlay.de>
1496 * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
1497 Remove note on size/offset limitation.
1498 (AVR Variable Attributes): Add example how to read data located
1499 with progmem. Refer to named address spaces.
1500 * doc/invoke.texi (AVR Options): Fix typo.
1502 2012-01-24 Richard Guenther <rguenther@suse.de>
1504 Forward-port to trunk
1505 2010-09-21 Jakub Jelinek <jakub@redhat.com>
1508 * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
1509 op0 isn't sufficiently aligned and there is movmisalignM
1510 insn for mode, use it to load op0 into a temporary register.
1512 2012-01-24 Jakub Jelinek <jakub@redhat.com>
1515 * target.def (const_not_ok_for_debug_p): New hook.
1516 * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
1518 * doc/tm.texi: Regenerated.
1519 * dwarf2out.c (const_ok_for_output_1): If
1520 targetm.const_not_ok_for_debug_p returns true, fail.
1521 * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
1523 (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
1525 2012-01-23 Kai Tietz <ktietz@redhat.com>
1528 * config/i386/predicates.md (symbolic_operand): Allow
1529 UNSPEC_PCREL as PIC expression for lea.
1530 * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
1531 * config/i386/i386.c (ix86_delegitimize_address): Handle
1532 UNSPEC_PCREL for none-MEM, too.
1534 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
1536 * trans-mem.c (ipa_tm_create_version): Set externally_visible.
1537 (ipa_tm_create_version_alias): Same.
1539 2012-01-23 Uros Bizjak <ubizjak@gmail.com>
1542 * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
1543 * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
1545 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
1546 Patrick Marlier <patrick.marlier@gmail.com>
1547 Iain Sandoe <developer@sandoe-acoustics.co.uk>
1550 * lto-wrapper.c (run_gcc): Pass the LTO section name to
1551 simple_object_start_read.
1553 2012-01-23 Richard Guenther <rguenther@suse.de>
1556 PR tree-optimization/51895
1557 * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
1558 parameter decomposition into BLKmode components.
1560 2012-01-23 Eric Botcazou <ebotcazou@adacore.com>
1562 * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
1563 fake variables for restrict-qualified pointers whose pointed-to type
1564 contains a placeholder.
1566 2012-01-23 Richard Guenther <rguenther@suse.de>
1568 PR tree-optimization/51949
1569 * ipa-split.c (execute_split_functions): Do not split malloc functions.
1571 2012-01-23 Jakub Jelinek <jakub@redhat.com>
1573 PR rtl-optimization/51933
1574 * ree.c (transform_ifelse): Return true right away if dstreg is
1575 already wider or equal to cand->mode.
1576 (enum ext_modified_kind, struct ext_modified, ext_state): New types.
1577 (make_defs_and_copies_lists): Remove defs_list and copies_list
1578 arguments, add state argument, just truncate state->work_list
1579 instead of always allocating and freeing the vector. Assert that
1580 get_defs succeeds instead of returning 2. Changed return type to bool.
1581 (merge_def_and_ext): Add state argument. If SET_DEST doesn't
1582 have ext_src_mode, see if it has been modified already with the
1583 right kind of extension and has been extended before from the
1584 ext_src_mode. If SET_DEST is already wider or equal to cand->mode,
1585 just return true. Remember the original mode in state->modified array.
1586 (combine_reaching_defs): Add state argument. Don't allocate and
1587 free here def_list, copied_list and vec vectors, instead just
1588 VEC_truncate the vectors in *state. Don't handle outcome == 2 here.
1589 (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
1590 Add state variable, clear vectors in it, initialize state.modified
1591 if needed. Free all the vectors at the end and state.modified too.
1592 Don't skip a candidate if the extension expression has been modified.
1594 2012-01-22 Douglas B Rupp <rupp@gnat.com>
1597 * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
1598 configurations. Change triplet to i[34567]86-*-interix[3-9]*.
1599 (extra_options) interix.opt -> i386/interix.opt"
1600 (extra_objs):Add winnt-stubs.o
1601 * configure.ac: Add interix to target_os .comm on PE check.
1602 * configure: Regenerate.
1603 * config/interix3.h: Delete and move bits to..
1604 * config/interix.h: Delete and move bits to..
1605 * config/i386/i386-interix3.h: Delete and move bits to..
1606 * config/i386/i386-interix.h: ..here.
1607 (TARGET_CPU_DEFAULT): Remove redefinition.
1608 (TARGET_ASM_CONSTRUCTOR): Undefine.
1609 (SUBTARGET_SWITCHES): Define for ms-bitfields.
1610 (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
1611 (PTRDIFF_TYPE): Define.
1612 (LONG_DOUBLE_TYPE_SIZE): Define.
1613 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
1614 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
1615 (TARGET_SECTION_TYPE_FLAGS): Define.
1616 (ASM_DECLARE_FUNCTION_NAME): Define.
1617 (ASM_OUTPUT_EXTERNAL): Define.
1618 (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
1619 (ASM_OUTPUT_ALIGNED_BSS): Define.
1620 (PCC_BITFIELD_TYPE_MATTERS): Define.
1621 (USE_CONST_SECTION): Define.
1622 (SUBTARGET_ENCODE_SECTION_INFO): Remove.
1623 (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
1624 (SUPPORTS_ONE_ONLY): Remove.
1625 (I386_PE_STRIP_ENCODING): Define.
1626 * config/interix.opt: Delete and move bits to..
1627 * config/i386/interix.opt: ..here. New.
1628 (mpe-aligned-commons): Add.
1629 * config/i386/t-interix: Add copyright header.
1630 (winnt-stubs.o): Add rule.
1632 2012-01-22 Jason Merrill <jason@redhat.com>
1635 * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
1636 for extra name aliases.
1638 2012-01-22 Eric Botcazou <ebotcazou@adacore.com>
1640 PR rtl-optimization/51924
1641 * ree.c (combine_set_extension): Improve debugging message.
1642 (combine_reaching_defs): Likewise.
1643 (get_defs): Rename confusingly named variable.
1644 (find_and_remove_re): Skip a candidate if the extension expression has
1647 2012-01-21 Robert Millan <rmh@gnu.org>
1648 Gerald Pfeifer <gerald@pfeifer.com>
1650 * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
1651 (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
1653 2012-01-20 Jakub Jelinek <jakub@redhat.com>
1655 PR tree-optimization/51914
1656 * tree-vect-stmts.c (vectorizable_conversion): For
1657 cvt_type && modifier == WIDEN, put temporary with cvt_type
1658 at the beginning of vec_dsts and set vec_dest to temporary
1661 2012-01-20 Eric Botcazou <ebotcazou@adacore.com>
1663 * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
1665 2011-01-20 Tijl Coosemans <tijl@coosemans.org>
1667 * config/i386/i386.c: Fix checks for !TARGET_MACHO.
1668 * config/rs6000/rs6000.c: Likewise.
1670 2012-01-20 Jakub Jelinek <jakub@redhat.com>
1673 * config/arm/arm.c (arm_count_output_move_double_insns): Call
1674 output_move_double on a copy of operands array.
1676 2012-01-20 Cary Coutant <ccoutant@google.com>
1677 Dodji Seketeli <dodji@redhat.com>
1680 * dwarf2out.c (copy_declaration_context): Return ref to parent
1681 of declaration DIE, if necessary.
1682 (remove_child_or_replace_with_skeleton): Add new parameter; update
1683 caller. Place skeleton DIE under parent DIE of original declaration.
1684 Move call to copy_declaration_context to here ...
1685 (break_out_comdat_types): ... from here.
1687 2012-01-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1689 PR rtl-optimization/51856
1690 * reload.c (find_reloads_subreg_address): Set the address_reloaded
1693 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1696 * config/arm/arm.c (arm_print_operand): Correct output of alignment
1697 hints for neon loads and stores.
1699 2012-01-20 Georg-Johann Lay <avr@gjlay.de>
1703 * doc/extend.texi (Named Address Spaces): Split into subsections.
1704 (AVR Named Address Spaces): New subsection.
1705 (M32C Named Address Spaces): New subsection.
1706 (RL78 Named Address Spaces): New subsection.
1707 (SPU Named Address Spaces): New subsection.
1708 (Variable Attributes): New anchor "AVR Variable Attributes".
1709 (AVR Variable Attributes): Rewrite and avoid wording
1710 "address space" in this context.
1711 * doc/invoke.texi (AVR Options): Rewrite and add documentation
1712 for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
1713 (AVR Built-in Macros): New subsubsection therein.
1714 * doc/md.texi (AVR constraints): Remove "C04", "R".
1716 2012-01-20 Richard Guenther <rguenther@suse.de>
1718 PR tree-optimization/51903
1719 * tree-ssa-pre.c (eliminate): Properly purging of EH edges
1720 when removing stmts.
1722 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1725 * config/arm/arm.c (arm_load_pic_register): Use
1726 gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
1727 , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
1728 (arm_pic_static_addr): Likewise.
1729 (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
1730 (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
1731 * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
1732 (pic_load_addr_unified): New.
1734 2012-01-20 Andrey Belevantsev <abel@ispras.ru>
1737 * function.c (instantiate_virtual_regs_in_insn): Use
1738 delete_insn_and_edges when removing a wrong asm insn.
1740 2012-01-19 Vladimir Makarov <vmakarov@redhat.com>
1742 PR rtl-optimization/40761
1743 * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
1744 Add new member loop_num.
1745 (IRA_LOOP_NODE_BY_INDEX): Modify the check.
1746 (ira_build): Remove the parameter.
1748 * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
1749 (ira.c): Do not build CFG loops for one region allocation. Remove
1750 argument from ira_build call.
1752 * ira-build.c (init_loop_tree_node): New function.
1753 (create_loop_tree_nodes): Use it. Separate the case when CFG
1754 loops are not built.
1755 (more_one_region_p): Check current_loops.
1756 (finish_loop_tree_nodes): Separate the case when CFG loops are not
1758 (add_loop_to_tree): Process loop equal to NULL too.
1759 (form_loop_tree): Separate the case when CFG loops are not built.
1760 Use explicitly number for the root.
1761 (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
1763 (ira_print_expanded_allocno, loop_compare_func): Use loop_num
1764 instead of loop->num.
1765 (mark_loops_for_removal): Ditto. Use loop_num instead of loop->num.
1766 (mark_all_loops_for_removal): Ditto.
1767 (remove_unnecessary_regions): Separate the case when CFG loops
1769 (ira_build): Remove the parameter. Use explicit number of regions
1770 when CFG loops are not built.
1772 * ira-color.c (print_loop_title): Separate the case for the root node.
1773 Use loop_num instead of loop->num.
1774 (move_spill_restore): Use loop_num instead of loop->num.
1776 * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
1777 (change_loop): Ditto.
1778 (change_loop): Use loop_num instead of loop->num.
1780 * ira-lives.c (process_bb_node_lives): Ditto.
1782 * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
1784 * ira-conflicts.c (print_allocno_conflicts): Ditto.
1786 2012-01-19 Jakub Jelinek <jakub@redhat.com>
1789 * tree-mudflap.c (mf_artificial): New function.
1790 (execute_mudflap_function_ops, execute_mudflap_function_decls,
1791 mx_register_decls, mudflap_enqueue_decl): Use it.
1794 * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
1795 numbers in the insn pattern.
1797 2012-01-19 Michael Matz <matz@suse.de>
1799 PR tree-optimization/46590
1800 * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
1801 use it in remembering which conflicts we already created.
1802 (add_scope_conflicts): Adjust call to above, (de)allocate helper
1805 2012-01-19 Aldy Hernandez <aldyh@redhat.com>
1808 * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
1809 (merge_and_complain): Same.
1811 2012-01-19 Jakub Jelinek <jakub@redhat.com>
1814 * config/initfini-array.h: Guard content of the header
1815 with #ifdef HAVE_INITFINI_ARRAY.
1816 * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
1817 Add initfini-array.h to tm_file here.
1818 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
1819 * config.gcc: Don't add initfini-array.h to tm_file here.
1820 * configure: Regenerated.
1822 2012-01-19 Andrey Belevantsev <abel@ispras.ru>
1824 PR rtl-optimization/51505
1825 * df-problems.c (df_kill_notes): New parameter live. Update comment.
1826 Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
1827 (df_note_bb_compute): Update the call to df_kill_notes.
1829 2012-01-18 Aldy Hernandez <aldyh@redhat.com>
1831 * trans-mem.c (requires_barrier): Remove call to is_global_var.
1833 2012-01-18 Richard Guenther <rguenther@suse.de>
1835 * tree-ssa.c (useless_type_conversion_p): Remove special-casing
1836 of conversions to void *.
1838 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1839 Richard Sandiford <rdsandiford@googlemail.com>
1843 * optabs.h (simplify_expand_binop): Declare.
1844 * optabs.c (simplify_expand_binop): Make global.
1845 * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
1846 endian targets if the source cannot be exactly covered by word
1849 2012-01-17 Jakub Jelinek <jakub@redhat.com>
1852 * hard-reg-set.h (struct hard_reg_set_container): New type.
1853 * target.h (struct hard_reg_set_container): Forward declare.
1854 * target.def (set_up_by_prologue): New target hook.
1855 * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
1856 * doc/tm.texi: Regenerated.
1857 * function.c (thread_prologue_and_epilogue_insns): Change
1858 set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
1859 Call targetm.set_up_by_prologue on it.
1860 * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
1861 (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
1863 2012-01-17 Nick Clifton <nickc@redhat.com>
1865 * config/rx/rx.c (rx_can_use_simple_return): New function.
1866 * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
1867 * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
1869 2012-01-17 Richard Guenther <rguenther@suse.de>
1872 * expr.c (expand_assignment): Take address-space information
1873 from the address operand of MEM_REF and TARGET_MEM_REF.
1874 (expand_expr_real_1): Likewise.
1876 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1878 * ira.c (do_reload): Make sure ira_dump_file is re-set if no
1879 reload dump is requested.
1881 2012-01-17 Aldy Hernandez <aldyh@redhat.com>
1884 * trans-mem.c (requires_barrier): Call may_be_aliased.
1886 2012-01-17 Jakub Jelinek <jakub@redhat.com>
1888 PR tree-optimization/51877
1889 * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
1890 call arguments and fndecls compare equal, instead return false if they
1891 don't. Return true only if lhs1 and lhs2 are either both NULL, or
1892 both SSA_NAMEs that are valueized the same, or they satisfy
1895 2012-01-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1897 * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
1899 * configure: Regenerate.
1901 2012-01-16 Jan Hubicka <jh@suse.cz>
1905 * convert.c (convert_to_integer): Use fold_convert for
1906 converting an INTEGER_CST to integer type.
1908 2012-01-16 Jason Merrill <jason@redhat.com>
1911 * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
1913 2012-01-16 Jakub Jelinek <jakub@redhat.com>
1916 * config/s390/s390.c (s390_chunkify_start): Don't skip
1917 call insns followed by NOTE_INSN_CALL_ARG_LOCATION note. Skip
1918 NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
1919 If insn is followed by NOTE_INSN_VAR_LOCATION or
1920 NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
1921 Don't use location of note insns.
1923 PR tree-optimization/51865
1924 * tree-inline.c (tree_function_versioning): Call remap_decl
1925 on DECL_RESULT whenever it has VOID_TYPE_P type.
1927 2012-01-15 Richard Sandiford <rdsandiford@googlemail.com>
1929 * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
1930 for calls to locally-binding MIPS16 functions if only the return
1931 type uses float regs.
1933 2012-01-15 Chung-Lin Tang <cltang@codesourcery.com>
1934 Richard Sandiford <rdsandiford@googlemail.com>
1936 * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
1937 (SYMBOL_32_HIGH): Likewise.
1938 (mips_output_tls_reloc_directive): Declare.
1939 * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
1940 (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
1941 * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
1942 (mips_lo_relocs, mips_hi_relocs): Make extern.
1943 (mips16_stub_function): Move up file.
1944 (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
1945 (mips_symbolic_constant_p): Likewise. Remove SYMBOL_32_HIGH too.
1946 (mips_symbol_insns_1): Likewise. Check mips_use_pcrel_pool_p.
1947 (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
1948 SYMBOL_FORCE_TO_MEM. Only check mips_tls_symbol_ref_1 if it's false.
1949 (mips_get_tp): Add MIPS16 support.
1950 (mips_legitimize_tls_address): Remove MIPS16 sorry().
1951 Generalize DTPREL and TPREL handling.
1952 (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
1953 Add MIPS16 TLS support.
1954 (mips_output_tls_reloc_directive): New function.
1955 (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
1956 * config/mips/predicates.md (symbolic_operand_with_high)
1957 (tls_reloc_operand): New predicates.
1958 (force_to_mem_operand): Use mips_use_pcrel_pool_p.
1959 * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
1960 (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
1961 (*unshifted_high): New instruction. Use it for MIPS16 high splitter.
1962 (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
1963 (*tls_get_tp_mips16_call_<mode>): Likewise.
1965 2012-01-15 Uros Bizjak <ubizjak@gmail.com>
1967 PR rtl-optimization/51821
1968 * recog.c (peep2_find_free_register): Determine clobbered registers
1971 2012-01-14 Denis Chertykov <chertykov@gmail.com>
1974 * config/avr/avr-protos.h: Revert change of 2012-01-09.
1975 * config/avr/avr.c: Likewise.
1976 * config/avr/avr.h: Likewise.
1978 2012-01-13 Ian Lance Taylor <iant@google.com>
1981 * tree.h (TYPE_QUALS): Add cast to int.
1982 (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
1984 2012-01-13 Ian Lance Taylor <iant@google.com>
1986 * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
1987 comparing param_index to VEC_length result.
1989 2012-01-13 Steven Bosscher <steven@gcc.gnu.org>
1991 * c-decl.c: Do not include tree-mudflap.h
1992 * tree-optimize.c: Likewise.
1993 * Makefile.in: Update dependencies.
1995 2012-01-13 Richard Guenther <rguenther@suse.de>
1998 * gimplify.c (gimplify_modify_expr_rhs): For calls with a
1999 variable-sized result always use RSO.
2001 2012-01-12 DJ Delorie <dj@redhat.com>
2003 * cfgexpand.c (convert_debug_memory_address): Allow any valid
2004 pointer type, not just the default pointer type.
2006 2012-01-09 Richard Henderson <rth@redhat.com>
2007 Denis Chertykov <chertykov@gmail.com>
2010 * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
2011 * config/avr/avr.c (avr_can_eliminate): Simplify.
2012 (avr_initial_elimination_offset): Likewise.
2013 (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
2014 (expand_epilogue): Likewise.
2015 (avr_legitimize_address): Gut.
2016 (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
2017 (avr_hard_regno_nregs): New.
2018 (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
2019 (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
2020 * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
2021 add soft frame pointer.
2022 (CALL_USED_REGISTERS): Likewise.
2023 (REG_CLASS_CONTENTS): Likewise.
2024 (REGISTER_NAMES): Likewise.
2025 (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
2026 (HARD_FRAME_POINTER_REGNUM): New.
2027 (FRAME_POINTER_REGNUM): Use soft frame pointer.
2028 (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
2029 remove the HARD_FRAME_POINTER self-elimination.
2031 2012-01-12 Georg-Johann Lay <avr@gjlay.de>
2034 * config/avr/avr.c (avr_encode_section_info): Test for absence of
2035 DECL_EXTERNAL when checking for initializers of progmem variables.
2037 2012-01-12 Ira Rosen <irar@il.ibm.com>
2039 PR tree-optimization/51799
2040 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
2041 that the last operation is a type demotion.
2043 2012-01-12 Uros Bizjak <ubizjak@gmail.com>
2045 * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
2046 (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
2048 2012-01-11 Jakub Jelinek <jakub@redhat.com>
2051 * combine.c (distribute_notes): If i3 is a noreturn call,
2052 allow old_size to be equal to args_size and make sure the
2053 noreturn call gets REG_ARGS_SIZE note.
2054 * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
2055 on noreturn calls even when the delta is 0.
2057 2012-01-11 Nathan Sidwell <nathan@acm.org>
2059 * gcov.c (STRING_SIZE): Remove.
2060 (generate_results): Erase annotations for source files with no
2061 coverage information.
2063 (output_lines): Use it.
2065 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
2067 * gimple.h (gimplify_body): Remove first argument.
2068 * gimplify.c (copy_if_shared): Add DATA argument. Do not create the
2069 pointer set here, instead just pass DATA to walk_tree.
2070 (unshare_body): Remove BODY_P argument and adjust. Create the pointer
2071 set here and invoke copy_if_shared on the size trees of DECL_RESULT.
2072 (unvisit_body): Likewise, but with unmark_visited.
2073 (gimplify_body): Remove BODY_P argument and adjust.
2074 (gimplify_function_tree): Adjust call to gimplify_body.
2075 * omp-low.c (finalize_task_copyfn): Likewise.
2077 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
2079 * tree.h (build_function_decl_skip_args): Add boolean parameter.
2080 (build_function_type_skip_args): Delete.
2081 * tree.c (build_function_type_skip_args): Make static and add
2082 SKIP_RETURN parameter. Fix thinko in the handling of variants.
2083 (build_function_decl_skip_args): Add SKIP_RETURN parameter and
2084 pass it to build_function_type_skip_args.
2085 * cgraph.h (cgraph_function_versioning): Add boolean parameter.
2086 (tree_function_versioning): Likewise.
2087 * cgraph.c (cgraph_create_virtual_clone): Adjust call to
2088 build_function_decl_skip_args.
2089 * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
2090 and pass it to build_function_decl_skip_args/tree_function_versioning.
2091 (cgraph_materialize_clone): Adjust call to tree_function_versioning.
2092 * ipa-inline-transform.c (save_inline_function_body): Likewise.
2093 * trans-mem.c (ipa_tm_create_version): Likewise.
2094 * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
2095 * tree-inline.c (declare_return_variable): Remove always-true test.
2096 (tree_function_versioning): Add SKIP_RETURN parameter. If the function
2097 returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
2098 * ipa-split.c (split_function): Skip the return value for the split
2099 part if it doesn't return.
2101 2012-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
2103 PR tree-optimization/49642
2104 * ipa-split.c (forbidden_dominators): New variable.
2105 (check_forbidden_calls): New function.
2106 (dominated_by_forbidden): Likewise.
2107 (consider_split): Check for forbidden dominators.
2108 (execute_split_functions): Initialize and free forbidden
2109 dominators info; call check_forbidden_calls.
2111 2012-01-11 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
2113 * config/arm/arm.md (mov_notscc): Use MVN for false condition.
2115 2012-01-11 Nick Clifton <nickc@redhat.com>
2117 * config/rx/rx.md (return): Define pattern.
2119 2012-01-11 Richard Guenther <rguenther@suse.de>
2121 * doc/extend.texi (malloc attribute): Adjust according to
2124 2012-01-10 Aldy Hernandez <aldyh@redhat.com>
2125 Patrick Marlier <patrick.marlier@gmail.com>
2128 * trans-mem.c (get_cg_data): Traverse aliases if requested.
2129 (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
2130 (ipa_tm_note_irrevocable): Same.
2131 (ipa_tm_scan_irr_block): Same.
2132 (ipa_tm_decrement_clone_counts): Same.
2133 (ipa_tm_scan_irr_function): Same.
2134 (ipa_tm_create_version_alias): Same.
2135 (ipa_tm_create_version): Same.
2136 (ipa_tm_transform_calls_redirect): Same.
2137 (ipa_tm_transform_calls): Same.
2138 (ipa_tm_transform_transaction): Same.
2139 (ipa_tm_execute): Same.
2141 2012-01-10 Richard Guenther <rguenther@suse.de>
2144 * opts.c (common_handle_option): Handle -Werror.
2146 2012-01-10 Andreas Schwab <schwab@linux-m68k.org>
2148 * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
2151 2012-01-10 Jason Merrill <jason@redhat.com>
2153 * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
2156 2012-01-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2158 * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
2159 supports R_386_TLS_GD_PLT reloc.
2160 (gcc_cv_as_ix86_tlsldmplt): Check if linker
2161 supports R_386_TLS_LDM_PLT reloc.
2162 * configure: Regenerate.
2163 * config.in: Regenerate.
2165 2012-01-10 Georg-Johann Lay <avr@gjlay.de>
2168 Extend __pgmx semantics to linearize memory.
2169 * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
2170 determine if code comes inline or from libgcc.
2171 (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
2172 (movmem_qi, movmem_qi): Set constraint #2 to "n".
2173 (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
2174 (movmemx_qi, movmemx_hi): New insns.
2175 (xload_<mode>_libgcc): Rewrite to new insn condition.
2176 (xload_<mode>): Remove insns.
2177 * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
2178 cases that don't satisfy avr_xload_libgcc_p().
2179 (avr_addr_space_convert): Allow converting in any direction.
2180 (avr_addr_space_subset_p): Return always true.
2181 (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
2182 (avr_emit_movmemhi): Ditto.
2183 (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
2184 (avr_out_movmem): Ditto.
2185 (AVR_SYMBOL_FLAG_PROGMEM): New macro.
2186 (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
2187 (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
2188 (avr_encode_section_info): Encode 'progmem' in symbol flags.
2189 (output_reload_in_const): Don't zero-extend any 24-bit symbols.
2191 2012-01-10 Richard Guenther <rguenther@suse.de>
2193 PR tree-optimization/50913
2194 * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
2195 Require data-refs to be representable by Graphite with respect
2198 2012-01-10 Uros Bizjak <ubizjak@gmail.com>
2200 * config/i386/constraints.md ("L"): Return true for 0xffffffff.
2201 * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
2203 2012-01-10 Tom de Vries <tom@codesourcery.com>
2205 PR rtl-optimization/51271
2206 * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
2207 handling annulled branch.
2209 2012-01-10 Richard Henderson <rth@redhat.com>
2211 * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
2212 TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
2213 struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
2214 arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
2215 arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
2216 arm_expand_vec_perm_const): New.
2217 * config/arm/arm-protos.h: Update.
2218 * config/arm/neon.md (UNSPEC_VCONCAT): New.
2219 (*neon_vswp<VDQX>): New.
2220 (neon_vcombine<VDX>): Use neon_split_vcombine.
2221 (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
2222 * config/arm/vec-common.md (vec_perm_const<VALL>): New.
2223 (vec_perm<VE>): New.
2225 2012-01-10 Richard Henderson <rth@redhat.com>
2227 * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
2228 use it if reload_completed.
2229 (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
2230 arm_output_asm_insn, arm_process_output_memory_barrier,
2231 arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
2232 arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
2233 arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
2234 arm_process_output_sync_insn, arm_output_sync_insn,
2235 arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
2236 (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
2237 (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
2238 (emit_unlikely_jump): New.
2239 (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
2240 (arm_split_atomic_op): New.
2241 * config/arm/arm-protos.h: Update.
2242 * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
2243 (struct arm_sync_generator): Remove.
2244 * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
2245 VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
2246 (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
2247 (VUNSPEC_LL, VUNSPEC_SC): New.
2248 (sync_result, sync_memory, sync_required_value, sync_new_value,
2249 sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
2250 (attr length): Don't use arm_sync_loop_insns.
2251 (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
2252 (movsfcc, movdfcc): Likewise.
2253 * config/arm/constraints.md (Ua): New.
2254 * config/arm/prediates.md (mem_noofs_operand): New.
2255 (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
2256 (sync_clobber, sync_t2_reqd): Remove.
2257 (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
2258 (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
2259 (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
2260 (arm_sync_compare_and_swap<SIDI>): Remove.
2261 (arm_sync_compare_and_swap<NARROW>): Remove.
2262 (arm_sync_lock_test_and_set<SIDI>): Remove.
2263 (arm_sync_lock_test_and_set<NARROW>): Remove.
2264 (arm_sync_new_<syncop><SIDI>): Remove.
2265 (arm_sync_new_<syncop><NARROW>): Remove.
2266 (arm_sync_new_nand<SIDI>): Remove.
2267 (arm_sync_new_nand<NARROW>): Remove.
2268 (arm_sync_old_<syncop><SIDI>): Remove.
2269 (arm_sync_old_<syncop><NARROW>): Remove.
2270 (arm_sync_old_nand<SIDI>): Remove.
2271 (arm_sync_old_nand<NARROW>): Remove.
2272 (*memory_barrier): Merge arm_output_memory_barrier.
2273 (atomic_compare_and_swap<QHSD>): New.
2274 (atomic_compare_and_swap<NARROW>_1): New.
2275 (atomic_compare_and_swap<SIDI>_1): New.
2276 (atomic_exchange<QHSD>): New.
2277 (cas_cmp_operand, cas_cmp_str): New.
2278 (atomic_op_operand, atomic_op_str): New.
2279 (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
2280 (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
2281 (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
2282 (arm_load_exclusive<NARROW>): New.
2283 (arm_load_exclusivesi, arm_load_exclusivedi): New.
2284 (arm_store_exclusive<QHSD>): New.
2286 2012-01-09 Michael Meissner <meissner@linux.vnet.ibm.com>
2288 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
2289 reload patterns if -mvsx-scalar-memory.
2291 * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
2292 generated, even -mno-vsx-scalar-double was used.
2293 (vsx_xscvdpsp_scalar): Likewise.
2294 (vsx_xscvspdp_scalar2): Likewise.
2296 2012-01-09 Tom de Vries <tom@codesourcery.com>
2297 Andrew Pinski <apinski@cavium.com>
2300 * reorg.c (fill_slots_from_thread): Don't speculate
2301 frame-related insns.
2303 2012-01-09 Richard Sandiford <rdsandiford@googlemail.com>
2305 * sched-int.h (bb_note): Move to...
2306 * basic-block.h: ...here.
2307 * haifa-sched.c (bb_note): Move to...
2308 * cfgrtl.c: ...here.
2309 * function.c (next_block_for_reg): New function.
2310 (move_insn_for_shrink_wrap): Likewise.
2311 (prepare_shrink_wrap): Rewrite to use the above.
2313 2012-01-09 Aldy Hernandez <aldyh@redhat.com>
2315 * gimple.c (is_gimple_non_addressable): Remove.
2316 * gimple.h: Remove is_gimple_non_addressable.
2317 * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
2318 is_gimple_non_addressable.
2319 * trans-mem.c (expand_assign_tm): Same.
2321 2012-01-09 Richard Guenther <rguenther@suse.de>
2323 PR tree-optimization/51775
2324 * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
2325 * tree-ssa-pre.c (eliminate): Properly fixup EH info.
2327 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
2329 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
2331 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
2333 2012-01-09 Richard Guenther <rguenther@suse.de>
2335 * tree-streamer-out.c (write_ts_optimization): Fix spelling.
2337 2012-01-08 Jan Hubicka <jh@suse.cz>
2339 PR tree-optimize/51680
2340 * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
2341 on when known_vals needs to be computed; cleanup.
2343 2012-01-08 Jan Hubicka <jh@suse.cz>
2345 PR tree-optimize/51694
2346 * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
2348 2012-01-08 Jonathan Wakely <jwakely.gcc@gmail.com>
2350 * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
2351 for -std=c++98 and -std=c++11 too.
2353 2012-01-08 Chung-Lin Tang <cltang@codesourcery.com>
2355 * cfgloop.c (cancel_loop): Add free() of bbs array.
2357 2012-01-07 Jan Hubicka <jh@suse.cz>
2359 PR tree-optimization/51600
2360 * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
2361 that benefits small functions.
2363 2012-01-07 Jan Hubicka <jh@suse.cz>
2365 * ipa-inline.c (want_inline_small_function_p): Fix formating.
2367 2012-01-07 Jan Hubicka <jh@suse.cz>
2369 PR tree-optimization/51680
2370 * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
2371 whose inlining reduce unit size.
2373 2012-01-07 Alexandre Oliva <aoliva@redhat.com>
2376 * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
2377 Add canonical node to containing_mem chain after the non-canonical
2378 one, even if there weren't any locs to propagate.
2379 (remove_useless_values): Keep only canonical values.
2380 (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
2381 (cselib_invalidate_mem): Likewise. Ensure v is canonical, and
2382 canonicalize mem_chain elements that are not discarded.
2384 2012-01-06 Jakub Jelinek <jakub@redhat.com>
2387 * cgraphunit.c (cgraph_optimize): Call output_weakrefs
2388 before emitting functions.
2390 PR gcov-profile/50127
2391 * bb-reorder.c (partition_hot_cold_basic_blocks): Call
2392 clear_aux_for_blocks.
2394 2012-01-06 Alexandre Oliva <aoliva@redhat.com>
2397 * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
2399 2012-01-06 Arnaud Charlet <charlet@adacore.com>
2401 * c-decl.c (ext_block): Moved up.
2402 (collect_all_refs, for_each_global_decl): Take ext_block into account.
2404 2012-01-06 Han Shen <shenhan@google.com>
2406 Translate built-in include paths for sysroot.
2407 * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
2408 (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
2410 * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
2411 GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
2413 * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
2414 control whether sysroot should be prepended to gxx include dir.
2416 * configure: Regenerate.
2418 2012-01-06 Torvald Riegel <triegel@redhat.com>
2420 PR rtl-optimization/51771
2421 * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
2422 * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
2424 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
2426 PR tree-optimization/51315
2427 * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
2428 (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
2430 2012-01-05 Uros Bizjak <ubizjak@gmail.com>
2433 * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
2434 for shrp pattern. Correctly handle and fixup shift variable.
2435 Return false when shift > nelt for BYTES_BIG_ENDIAN target.
2437 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2440 * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
2441 note when !ACCUMULATE_OUTGOING_ARGS.
2443 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
2445 * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
2447 (extract_range_from_unary_expr_1): Avoid useless computations.
2449 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2451 PR rtl-optimization/51767
2452 * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
2453 of jump_block and add an extra edge for degenerated asm gotos.
2456 * stmt.c (check_unique_operand_names): Don't ICE during error
2457 reporting if i is from labels chain.
2460 * profile.c (branch_prob): Split bbs that have exit edge
2461 and need a fake entry edge too.
2463 2012-01-05 Jan Hubicka <jh@suse.cz>
2466 * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
2469 2012-01-05 Richard Guenther <rguenther@suse.de>
2472 * tree-streamer-out.c (write_ts_optimization): New function.
2473 (streamer_write_tree_body): Call it.
2474 * tree-streamer-in.c (lto_input_ts_optimization): New function.
2475 (streamer_read_tree_body): Call it.
2476 * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
2478 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2481 * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
2482 * gimplify.c (gimplify_cleanup_point_expr): Save and set
2483 in_cleanup_point_expr before gimplify_stmt call and restore it
2485 (gimplify_target_expr): Don't add {CLOBBER} cleanup if
2486 in_cleanup_point_expr is false.
2488 2012-01-05 Richard Guenther <rguenther@suse.de>
2491 * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
2493 * toplev.c (process_options): Reject combining mudflap and LTO.
2494 * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
2496 2012-01-05 Richard Guenther <rguenther@suse.de>
2498 PR tree-optimization/51760
2499 * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
2501 (bit_value_unop): Handle UNDEFINED operands.
2502 (bit_value_binop): Likewise.
2504 2012-01-05 Georg-Johann Lay <avr@gjlay.de>
2506 * config/avr/avr.c (avr_replace_prefix): Remove.
2507 (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
2508 (avr_asm_function_rodata_section): Ditto.
2509 (avr_asm_select_section): Ditto.
2511 2012-01-05 Marcus Shawcroft <marcus.shawcroft@arm.com>
2513 * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
2516 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2519 * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
2520 calls that have any non-fake successor edges.
2523 * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
2525 2012-01-04 Eric Botcazou <ebotcazou@adacore.com>
2527 PR tree-optimization/51624
2528 * tree-sra.c (build_ref_for_model): When replicating a chain of
2529 COMPONENT_REFs, stop as soon as the offset would become negative.
2531 2012-01-04 Jakub Jelinek <jakub@redhat.com>
2534 * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
2535 in .debug_loc on the floor.
2537 2012-01-04 Andrew Pinski <apinski@cavium.com>
2539 * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
2541 2012-01-04 Andrew Pinski <apinski@cavium.com>
2542 Adam Nemet <anemet@caviumnetworks.com>
2544 * config/mips/mips.md (size): Add SI and DI.
2545 (SIZE): New mode attribute.
2546 (U): New code attribute.
2547 * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
2548 (mips_lbux_<mode>): Delete.
2549 (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
2550 (mips_lhx): Use gen_mips_lhx_extsi.
2551 (mips_lhx_<mode>): Delete.
2553 (mips_l<size>x): New expand.
2554 (mips_lwx_<mode>): Delete.
2555 (mips_l<GPR:size>x_<P:mode>): New pattern.
2556 (*mips_lw<u>x_<P:mode>_ext): Likewise.
2557 * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
2558 * config/mips/mips.c (mips_lx_address_p): New function.
2559 (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
2560 (dsp64): New availability predicate.
2561 (mips_builtins): Add an entry for __builtin_mips_ldx.
2562 * config/mips/mips.h (ISA_HAS_LBX): New define.
2563 (ISA_HAS_LBUX): Likewise.
2564 (ISA_HAS_LHX): Likewise.
2565 (ISA_HAS_LHUX): Likewise.
2566 (ISA_HAS_LWX): Likewise.
2567 (ISA_HAS_LWUX): Likewise.
2568 (ISA_HAS_LDX): Likewise.
2569 * doc/extend.texi (__builtin_mips_ldx): Document.
2571 2012-01-04 Tristan Gingold <gingold@adacore.com>
2573 * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
2574 when long pointers are used.
2575 * config.build (*-*-*vms*): Handle all OpenVMS targets.
2576 (alpha64-dec-*vms*, alpha*-dec-*vms*)
2577 (ia64-hp-*vms*): Remove.
2578 * config/vms/xm-vms64.h: Delete.
2580 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
2583 * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
2585 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
2587 * opts.c (finish_options): Remove duplicate sorry.
2589 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
2592 * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
2595 2012-01-04 Richard Guenther <rguenther@suse.de>
2598 * tree.c (size_low_cst): New function.
2599 * tree.h (size_low_cst): Declare.
2600 * fold-const.c (fold_comparison): Use it to extract the low
2601 part of the POINTER_PLUS_EXPR offset.
2603 2012-01-04 Georg-Johann Lay <avr@gjlay.de>
2605 Fix clearing ZERO_REG
2606 * config/avr/avr.md (cc): Add alternative "ldi".
2607 (movqi_insn): Use it in cc attribute.
2608 * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
2609 (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
2610 (output_reload_insisf): Use ZERO_REG to pre-clear register.
2612 2012-01-04 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2614 * configure: Regenerate.
2616 2012-01-04 Richard Guenther <rguenther@suse.de>
2618 PR tree-optimization/49651
2619 * tree-ssa-structalias.c (type_can_have_subvars): New function.
2620 (var_can_have_subvars): Use it.
2621 (get_constraint_for_1): Only consider subfields if there can be any.
2623 2012-01-03 Jakub Jelinek <jakub@redhat.com>
2626 * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
2627 to its new canonical_cselib_val and the cselib_val was in
2628 first_containing_mem chain, but the canonical_cselib_val was not,
2629 add the latter into the chain.
2630 (cselib_invalidate_mem): Compare canonical_cselib_val of
2631 addr_list chain elt with v.
2634 * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
2635 dwarf2out_undef): Allocate e.info using ggc_strdup instead
2637 (output_macinfo_op): Don't ggc_strdup fd->filename.
2638 (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
2639 then ggc_strdup it. Don't free inc->info or cur->info.
2640 (output_macinfo): Don't free ref->info or file->info.
2642 2012-01-03 Ira Rosen <irar@il.ibm.com>
2644 PR tree-optimization/51269
2645 * tree-vect-loop-manip.c (set_prologue_iterations): Make
2646 first_niters a pointer.
2647 (slpeel_tree_peel_loop_to_edge): Likewise.
2648 (vect_do_peeling_for_loop_bound): Update call to
2649 slpeel_tree_peel_loop_to_edge.
2650 (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
2651 here. Remove it from the parameters list.
2652 (vect_do_peeling_for_alignment): Update calls and compute
2655 2012-01-03 Richard Guenther <rguenther@suse.de>
2657 PR tree-optimization/51070
2658 * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
2659 Properly handle calls.
2661 2012-01-03 Richard Guenther <rguenther@suse.de>
2663 PR tree-optimization/51692
2664 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
2665 the LHS of allocation stmts.
2667 2012-01-03 Olivier Hainque <hainque@adacore.com>
2669 * system.h: Prior to #define, #undef fopen and freopen unconditionally.
2671 2012-01-03 Olivier Hainque <hainque@adacore.com>
2673 * collect2.c (main): In AIX specific computations for vector
2674 insertions, use CONST_CAST2 to cast from char ** to const char **.
2676 2012-01-03 Richard Guenther <rguenther@suse.de>
2679 * dwarf2out.c (dwarf2out_finish): Always create a DIE for
2680 the context of a limbo DIE when it does not already exist.
2682 2012-01-03 Jakub Jelinek <jakub@redhat.com>
2684 PR tree-optimization/51719
2685 * value-prof.c (gimple_ic): When indirect call isn't noreturn,
2686 but direct call is, clear direct call's lhs and don't add fallthrough
2687 edge from dcall_bb to join_bb and PHIs.
2689 2012-01-03 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2691 * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
2692 the instructions emitted by the pattern.
2693 ("*TDC_insn_<mode>"): Add comment.
2695 2012-01-03 Richard Guenther <rguenther@suse.de>
2698 * fold-const.c (fold_comparison): Properly canonicalize
2699 tree offset and HOST_WIDE_INT bit position.
2701 2012-01-02 Uros Bizjak <ubizjak@gmail.com>
2703 * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
2704 operands for extzv pattern.
2706 2012-01-02 Jakub Jelinek <jakub@redhat.com>
2709 * cselib.c (add_mem_for_addr): Call canonical_cselib_val
2712 2012-01-02 Sandra Loosemore <sandra@codesourcery.com>
2714 * doc/invoke.texi (-flto and related options): Copy-edit.
2716 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
2718 * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
2720 2012-01-02 Jakub Jelinek <jakub@redhat.com>
2722 * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
2725 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
2727 * expr.h (move_by_pieces_ninsns): Declare.
2728 * expr.c (move_by_pieces_ninsns): Make external.
2729 * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
2730 (mips_store_by_pieces_p): Likewise.
2731 * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
2732 (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
2733 * config/mips/mips.c (mips_move_by_pieces_p): New function.
2734 (mips_store_by_pieces_p): Likewise.
2736 2012-01-02 Jakub Jelinek <jakub@redhat.com>
2738 * passes.c (register_one_dump_file): Free full_name.
2740 * reload1.c (reload): Don't allocate reg_max_ref_width here.
2741 (calculate_elim_costs_all_insns): Free offsets_at and
2742 offsets_known_at at the end and clear the pointers.
2744 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2746 * config/avr/avr.opt (-mbranch-cost): Fix double definition of
2747 this option introduced in r180739.
2749 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2752 * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
2753 (tmake_file target=avr): Add avr/t-multilib.
2755 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
2756 to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
2757 * config/avr/genmultilib.awk: New file.
2758 * config/avr/t-multilib: New auto-generated file.
2759 * config/avr/multilib.h: New auto-generated file.
2760 * config/avr/t-avr (AVR_MCUS): New variable.
2761 (genopt.sh): Use it.
2762 (s-mlib): Depend on t-multilib.
2763 (t-multilib, multilib.h): New dependencies.
2764 (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
2765 (MULTILIB_OPTIONS): Remove.
2766 (MULTILIB_MATCHES): Remove.
2767 (MULTILIB_DIRNAMES): Remove.
2768 (MULTILIB_EXCEPTIONS): Remove:
2769 * config/avr/genopt.sh: Don't use hard coded file name;
2770 pass AVR_MCUS from t-avr instead.
2772 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2774 * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
2776 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2778 Implement light-weight DImode support.
2779 * config/avr/avr-dimode.md: New file.
2780 * config/avr/avr.md: Include it.
2781 (adjust_len): Add plus64, compare64.
2782 (HIDI): Remove code iterator.
2783 (code_stdname): New code attribute.
2784 (rotx, rotsmode): Remove DI.
2785 (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
2787 * config/avr/avr-protos.h (avr_have_dimode): New.
2788 (avr_out_plus64, avr_out_compare64): New.
2789 * config/avr/avr.c (avr_out_compare): Handle DImode.
2790 (avr_have_dimode): New variable definition and initialization.
2791 (avr_out_compare64, avr_out_plus64): New functions.
2792 (avr_out_plus_1): Use simplify_unary_operation to negate xval.
2793 (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
2794 (avr_compare_pattern): Skip DImode comparisons.
2796 2012-01-02 Revital Eres <revital.eres@linaro.org>
2798 * ddg.c (def_has_ccmode_p): New function.
2799 (add_cross_iteration_register_deps,
2800 create_ddg_dep_from_intra_loop_link): Call it.
2802 2012-01-02 Richard Guenther <rguenther@suse.de>
2805 * invoke.texi (fassociative-math): Remove spurious paranthesis.
2807 2012-01-01 Jakub Jelinek <jakub@redhat.com>
2809 * gcc.c (process_command): Update copyright notice dates.
2810 * gcov.c (print_version): Likewise.
2811 * gcov-dump.c (print_version): Likewise.
2812 * mips-tfile.c (main): Likewise.
2813 * mips-tdump.c (main): Likewise.
2815 2012-01-01 Ira Rosen <irar@il.ibm.com>
2817 PR tree-optimization/51704
2818 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
2819 a use is inside the basic block or loop before accessing its vect info.
2821 2012-01-01 Jan Hubicka <jhjh@suse.cz>
2823 PR rtl-optimization/51069
2824 * cfgloopmanip.c (remove_path): Removing path making irreducible
2825 region unconditional makes BB part of the region.
2827 2012-01-01 Jakub Jelinek <jakub@redhat.com>
2829 PR tree-optimization/51683
2830 * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
2831 calls with side-effects.
2832 * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
2834 Copyright (C) 2012 Free Software Foundation, Inc.
2836 Copying and distribution of this file, with or without modification,
2837 are permitted in any medium without royalty provided the copyright
2838 notice and this notice are preserved.