1 2012-02-21 Richard Earnshaw <rearnsha@arm.com>
4 * thumb2.md (thumb2_shiftsi3_short): Split register and
5 immediate shifts. For register shifts tie operands 0 and 1.
6 (peephole2 for above): Check that register-controlled shifts
7 have suitably tied operands.
9 2012-02-21 Quentin Neill <quentin.neill@amd.com>
12 * config/i386/bdver1.md (bdver1_call, bdver1_push,
13 bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
14 bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
15 bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
16 bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
17 bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
18 bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
19 bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
20 bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
21 bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
22 bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
23 bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
24 bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
25 bdver1_ssevector_avx256_unaligned_load,
26 bdver1_ssevector_sse128_unaligned_load,
27 bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
28 bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
29 bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
30 bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
31 bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
32 bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
33 bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
34 bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
35 bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
36 bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
37 bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
38 bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
39 bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
40 bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
41 bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
42 bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
43 bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
44 bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
45 bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
46 bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
47 bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
48 bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
49 bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
50 bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
51 bdver1_ssediv_double_load, bdver1_ssediv_double,
52 bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
53 Add "bdver2" attribute.
55 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
57 * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
58 default if possible and not specified otherwise.
60 2012-02-21 Richard Guenther <rguenther@suse.de>
63 * gimplify.c (create_tmp_from_val): Use the main variant type
64 for the type of the temporary we create.
66 2012-02-21 Richard Guenther <rguenther@suse.de>
68 PR tree-optimization/52324
69 * gimplify.c (gimplify_expr): When re-gimplifying expressions
70 do not gimplify a MEM_REF address operand if it is already
73 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
75 * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
76 TARGET_HARD_FLOAT with TARGET_HARD_DFP.
78 2012-02-21 Richard Guenther <rguenther@suse.de>
80 * tree-vect-stmts.c (vectorizable_load): Use pre-computed
83 2012-02-21 Jakub Jelinek <jakub@redhat.com>
85 PR tree-optimization/52318
86 * gimple-fold.c (gimplify_and_update_call_from_tree): Add
87 vdef also to non-pure/const call stmts in the sequence.
89 2012-02-20 David S. Miller <davem@davemloft.net>
91 * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
92 don't use the "rd %pc" instruction on v9 for PIC register loads.
94 2012-02-20 Aldy Hernandez <aldyh@redhat.com>
97 * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
98 in a transaction safe function.
100 2012-02-20 Kai Tietz <ktietz@redhat.com>
103 * stor-layout.c (place_field): Handle desired_align for
106 2012-02-20 Richard Guenther <rguenther@suse.de>
108 PR tree-optimization/52298
109 * tree-vect-stmts.c (vectorizable_store): Properly use
110 STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
112 (vectorizable_load): Likewise.
113 * tree-vect-data-refs.c (vect_analyze_data_ref_access):
114 Access DR_STEP after ensuring it is not NULL.
116 2012-02-20 Jakub Jelinek <jakub@redhat.com>
118 PR tree-optimization/52286
119 * fold-const.c (fold_binary_loc): For (X & C1) | C2
120 optimization use double_int_to_tree instead of build_int_cst_wide,
121 rewrite to use double_int vars.
123 2012-02-20 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
126 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
128 Remove -e 0 from $gcc_cv_ld invocation.
129 Only use __GLIBC_PREREQ if defined.
130 Enable on Solaris since Solaris 8 patch.
131 (gcc_SUN_LD_VERSION): New macro.
132 * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
133 gcc_SUN_LD_VERSION for version number format.
134 * configure: Regenerate.
135 * varasm.c (get_elf_initfini_array_priority_section): Set
136 SECTION_NOTYPE for non-default priority.
137 Use get_section instead of get_unnamed_section to emit
138 .init_array/.fini_array with default priority.
140 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
142 * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
143 (mips_get_tp): Set it. Record that __mips16_rdhwr binds locally.
144 (mips_start_unique_function, mips_output_mips16_rdhwr)
145 (mips_code_end): New functions.
146 (TARGET_ASM_CODE_END): Define.
148 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
150 * config/mips/mips.c (mips16_build_call_stub): Add CFI information
151 to stubs with non-sibling calls.
153 2012-02-18 Sandra Loosemore <sandra@codesourcery.com>
155 * doc/invoke.texi (-fira-* options): Copy-edit.
156 (ira-* parameters): Copy-edit.
158 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
160 * doc/invoke.texi: Minor copy-edits to bring into conformance with
161 GCC coding conventions.
163 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
165 * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
166 when used as adjectives.
168 2012-02-16 Sandra Loosemore <sandra@codesourcery.com>
170 * doc/invoke.texi: Clean up "that"/"which" confusion.
172 2012-02-17 Steven Bosscher <steven@gcc.gnu.org>
174 * system.h: Poison SMALL_REGISTER_CLASSES
175 * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
176 * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
178 2012-02-16 Jakub Jelinek <jakub@redhat.com>
180 PR tree-optimization/52285
181 * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
182 when deciding if a call is a tail call or tail recursion.
184 2012-02-16 Kai Tietz <ktietz@redhat.com>
186 * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
187 interger-constant displacement for UNSPEC_PCREL.
189 2012-02-16 Jakub Jelinek <jakub@redhat.com>
191 PR rtl-optimization/52208
192 * ira-costs.c (scan_one_insn): Don't decrease mem_cost
193 for MEMs with REG_EQUIV, if the MEM isn't general_operand.
195 PR tree-optimization/52255
196 * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
197 loop->header has virtual PHI, but exit_e->dest doesn't, add
198 virtual PHI to exit_e->dest and adjust all uses after the loop.
201 * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
202 children with clone_tree_hash, not after it.
204 2012-02-16 Iain Sandoe <iains@gcc.gnu.org>
206 * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
207 extended identifiers.
209 2012-02-16 Jakub Jelinek <jakub@redhat.com>
212 * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
213 a same_body_alias, also test whether e->callee isn't a former
214 or current clone of the decl this is a same body alias of.
217 * cgraphunit.c (verify_cgraph_node): Fix a typo.
219 2012-02-15 Sandra Loosemore <sandra@codesourcery.com>
221 * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
223 2012-02-15 Michael Meissner <meissner@linux.vnet.ibm.com>
226 * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
227 force_reg instead of copy_to_reg for better optimization. Force
228 non-register or memory operands into a register.
230 2012-02-15 Andrew MacLeod <amacleod@redhat.com>
232 * extend.texi: Reserve upper bits of memory model for future use.
234 2012-01-15 Georg-Johann Lay <avr@gjlay.de>
235 Anatoly Sokolov <aesok@post.ru>
236 Eric Weddington <eric.weddington@atmel.com>
239 * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
240 avrxmega4, avrxmega5, avrxmega6, avrxmega7.
241 Rewrite initializers for .macro.
242 * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
243 avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
244 atxmega32d4, atxmega32x1.
245 avrxmega4: atxmega64a3, atxmega64d3.
246 avrxmega5: atxmega64a1, atxmega64a1u.
247 avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
248 atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
249 avrxmega7: atxmega128a1, atxmega128a1u.
250 * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
251 ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
252 (struct base_arch_s): Rename reserved to xmega_p.
253 Rename reserved2 to have_rampd.
254 (AVR_XMEGA): New define.
255 (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
256 (AVR_HAVE_RAMPZ): Change definition to fit xmega.
257 * config/avr/predicates.md (io_address_operand): Take into
259 (low_io_address_operand): Ditto.
260 (high_io_address_operand): Ditto.
261 * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
262 (enabled, movhi_sp_r): Use them.
263 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
264 cpp_define_formatted to built-in define __AVR_ARCH__.
265 (__AVR_XMEGA__): New built-in define.
266 (__AVR_HAVE_RAMPD__): New built-in define.
267 (__AVR_HAVE_RAMPX__): New built-in define.
268 (__AVR_HAVE_RAMPY__): New built-in define.
269 (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
271 * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
272 (avr_option_override): Initialize them.
273 (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
274 (avr_init_expanders): Initialize them. No more block several calls.
275 (emit_push_sfr): New static function.
276 (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
278 (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
279 (avr_print_operand): Print addreeses as symbols for
280 RAMPX, RAMPY, RAMPD, CCP.
281 (output_movhi): Handle AVR_XMEGA when writing to SP.
282 (avr_out_movhi_mr_r_xmega): New static function.
283 (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
284 (avr_file_start): Print symbol defines for __RAMPX__, __RAMPY__,
285 __RAMPD__, __CCP__ as needed.
287 * config/avr/multilib.h: Regenerate.
288 * config/avr/t-multilib: Regenerate.
289 * config/avr/avr-tables.opt: Regenerate.
291 2012-02-15 Tobias Grosser <grosser@fim.uni-passau.de>
293 PR tree-optimization/50561
294 * graphite-flattening.c (lst_project_loop): Do not
295 remove old scattering dimensions after flattening.
296 (lst_do_flatten): Likewise.
298 2012-02-15 Georg-Johann Lay <avr@gjlay.de>
300 * doc/extend.texi (AVR Built-in Functions): Remove doc for
301 __builtin_avr_map8, __builtin_avr_map16.
302 Document __builtin_avr_insert_bits.
304 * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
305 (insert_bits): New insn.
306 (adjust_len.map_bits): Rename to insert_bits.
307 (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
308 * avr-protos.h (avr_out_map_bits): Remove.
309 (avr_out_insert_bits, avr_has_nibble_0xf): New.
310 * config/avr/constraints.md (Cxf,C0f): New.
311 * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
312 defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
313 New built-in define __BUILTIN_AVR_INSERT_BITS.
314 * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
315 (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
316 (avr_move_bits): Rewrite.
317 (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
319 (avr_map_op_t): New typedef.
320 (avr_map_op): New static variable.
321 (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
322 (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
323 (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
324 (bdesc_3arg, avr_expand_triop_builtin): New.
325 (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
326 (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
327 (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
328 (avr_map_equal_p, avr_map_sig_p): Remove.
329 (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
330 (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
331 (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
332 (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
333 (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
334 (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
336 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
338 * config/c6x/c6x.md (reserve_cycles): New attribute.
339 * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
340 don't reserve functional units after the branch occurs.
342 2012-02-14 Aldy Hernandez <aldyh@redhat.com>
345 * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
346 functions into non-tm_pure functions.
348 2012-02-14 Eric Botcazou <ebotcazou@adacore.com>
351 * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
352 (iterative_hash_canonical_type): Likewise.
353 * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
356 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
358 * haifa-sched.c (prune_ready_list): Ensure that if there is a
359 sched-group insn, it either remains alone or the entire list is
362 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
364 * doc/install.texi (Prerequisites): Fix grammar.
365 (Configuration): Likewise.
367 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
369 * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
370 MPC as part of GCC before describing configuring with --with-gmp etc.
371 (Installing GCC: Configuration): --with-gmp etc. aren't needed if
374 2012-02-14 Jakub Jelinek <jakub@redhat.com>
377 * dwarf2out.c (clone_tree_hash): New function.
378 (copy_decls_walk): Use it instead of clone_tree.
380 2012-02-14 Richard Guenther <rguenther@suse.de>
382 PR tree-optimization/52244
383 PR tree-optimization/51528
384 * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
385 replacements for integral types.
387 2012-02-14 Walter Lee <walt@tilera.com>
389 * config.gcc: Handle tilegx and tilepro.
390 * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
392 Add HAVE_AS_TLS check for tilegx and tilepro.
393 * configure: Regenerate.
394 * doc/contrib.texi: Add Mat Hostetter and self.
395 * doc/extend.texi (TILE-Gx Built-in Functions): New node.
396 Document instruction intrinsics and network accessing intrinsics.
397 (TILEPro Built-in Functions): New node. Document instruction
398 intrinsics and network accessing intrinsics.
399 * doc/install.texi (Specific, tilegx-*-linux*): Document it.
400 (Specific, tilepro-*-linux*): Likewise.
401 * doc/invoke.texi (TILE-Gx Options): New section.
402 (TILEPro Options): New section.
403 * doc/md.texi (TILE-Gx): New section.
404 (TILEPro): New section.
405 * common/config/tilegx/tilegx-common.c: New file.
406 * common/config/tilepro/tilepro-common.c: New file.
407 * config/tilegx/constraints.md: New file.
408 * config/tilegx/linux.h: New file.
409 * config/tilegx/mul-tables.c: New file.
410 * config/tilegx/predicates.md: New file.
411 * config/tilegx/sync.md: New file.
412 * config/tilegx/t-tilegx: New file.
413 * config/tilegx/tilegx-builtins.h: New file.
414 * config/tilegx/tilegx-c.c: New file.
415 * config/tilegx/tilegx-generic.md: New file.
416 * config/tilegx/tilegx-modes.def: New file.
417 * config/tilegx/tilegx-multiply.h: New file.
418 * config/tilegx/tilegx-protos.h: New file.
419 * config/tilegx/tilegx.c: New file.
420 * config/tilegx/tilegx.h: New file.
421 * config/tilegx/tilegx.md: New file.
422 * config/tilegx/tilegx.opt: New file.
423 * config/tilepro/constraints.md: New file.
424 * config/tilepro/gen-mul-tables.cc: New file.
425 * config/tilepro/linux.h: New file.
426 * config/tilepro/mul-tables.c: New file.
427 * config/tilepro/predicates.md: New file.
428 * config/tilepro/t-tilepro: New file.
429 * config/tilepro/tilepro-builtins.h: New file.
430 * config/tilepro/tilepro-c.c: New file.
431 * config/tilepro/tilepro-generic.md: New file.
432 * config/tilepro/tilepro-modes.def: New file.
433 * config/tilepro/tilepro-multiply.h: New file.
434 * config/tilepro/tilepro-protos.h: New file.
435 * config/tilepro/tilepro.c: New file.
436 * config/tilepro/tilepro.h: New file.
437 * config/tilepro/tilepro.md: New file.
438 * config/tilepro/tilepro.opt: New file.
440 2012-02-14 Jakub Jelinek <jakub@redhat.com>
442 PR tree-optimization/52210
443 * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
444 vect_model_simple_cost with two entry vect_def_type array instead
447 2012-02-14 Richard Guenther <rguenther@suse.de>
450 * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
451 Do not stream DECL_QUALIFIER.
452 * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
453 * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
454 (find_decls_types_r): Do not walk DECL_QUALIFIER.
456 2012-02-14 Jakub Jelinek <jakub@redhat.com>
459 * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
462 2012-02-13 Jakub Jelinek <jakub@redhat.com>
465 * cselib.h (cselib_subst_to_values_from_insn): New prototype.
466 * cselib.c (cselib_subst_to_values_from_insn): New function.
467 * sched-deps.c (add_insn_mem_dependence,
468 sched_analyze_1, sched_analyze_2): Use it.
470 2012-02-13 Jan Hubicka <jh@suse.cz>
473 * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
475 2012-02-13 Eric Botcazou <ebotcazou@adacore.com>
477 * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
478 (GTM_SELF_SPECS): Define if not already defined.
479 (driver_self_specs): Add GTM_SELF_SPECS.
480 * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
481 (GTM_SELF_SPECS): Define.
482 * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
483 * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
485 2012-02-13 Jakub Jelinek <jakub@redhat.com>
487 * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
490 * cselib.c (dump_cselib_val): Don't assume l->setting_insn is
494 * omp-low.c (expand_omp_for): If a static schedule without
495 chunk size has NULL region->cont, force fd.chunk_size to be
498 2012-02-13 Andrew MacLeod <amacleod@redhat.com>
501 * doc/extend.texi : Fix another __atomic_compare_exchange typo.
503 2012-02-13 Richard Guenther <rguenther@suse.de>
506 * passes.c (enable_disable_pass): Fix typo.
508 2012-02-13 Jakub Jelinek <jakub@redhat.com>
511 * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
512 XOR for reduce_bit_field if type is unsigned.
514 2012-02-12 Eric Botcazou <ebotcazou@adacore.com>
516 * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
517 disallow changes from SFmode to mode with different size in FP regs.
519 2012-02-12 Robert Millan <rmh@gnu.org>
520 Gerald Pfeifer <gerald@pfeifer.com>
522 * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
525 2012-02-11 Richard Sandiford <rdsandiford@googlemail.com>
527 PR rtl-optimization/52175
528 * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
529 to frame-related instructions.
531 2012-02-10 Jason Merrill <jason@redhat.com>
534 * tlink.c (demangled_hash_entry): Change mangled to a VEC.
535 (demangle_new_symbols): Fill it.
536 (scan_linker_output): Walk it.
537 (start_tweaking): Split out from scan_linker_output.
538 (maybe_tweak): Update sym->chosen.
539 * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
541 2012-02-11 Jakub Jelinek <jakub@redhat.com>
544 * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use
547 2012-02-11 Uros Bizjak <ubizjak@gmail.com>
549 * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
550 having the same mode as previous compare.
552 2012-02-10 Eric Botcazou <ebotcazou@adacore.com>
554 * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
555 * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
556 (nonlocal_goto_internal): Likewise.
557 (nonlocal_goto): Emit a use and an indirect jump directly.
559 2012-02-10 Andrew MacLeod <amacleod@redhat.com>
562 * doc/extend.texi : Update comments for __atomic_compare_exchange and
563 __atomic_{is,always}_lock_free.
565 2012-02-10 Uros Bizjak <ubizjak@gmail.com>
568 * config/i386/i386.c (ix86_legitimate_address_p): Disallow
569 negative constant address for x32.
571 2012-02-10 Richard Henderson <rth@redhat.com>
573 * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
574 * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
575 for GIMPLE_TRANSACTION. Tidy if's into a switch.
577 2012-02-10 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
578 Ira Rosen <irar@il.ibm.com>
580 PR tree-optimization/50031
581 * targhooks.c (default_builtin_vectorization_cost): Handle
583 * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
584 * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
585 all types of reduction and pattern statements.
586 (vect_estimate_min_profitable_iters): Likewise.
587 * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
588 (vect_get_load_cost): Use vec_perm for permutations; add dump logic
589 for explicit realigns.
590 (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
591 * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
593 * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
594 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
595 vec_perm for VSX and handle vec_promote_demote.
597 2012-02-10 Jakub Jelinek <jakub@redhat.com>
600 * builtins.c (fold_builtin_atomic_always_lock_free,
601 expand_builtin_atomic_always_lock_free,
602 fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
603 Return and/or test boolean_true_node/boolean_false_node instead of
604 integer_one_node/integer_zero_node.
606 2012-02-10 Jan Hubicka <jh@suse.cz>
609 * predict.c (predict_paths_for_bb): Prevent looping.
610 (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
612 2012-02-10 Roman Zhuykov <zhroma@ispras.ru>
614 * config/arm/arm.c (output_move_double): In one case properly
615 count number of instructions that will be emitted.
617 2012-02-10 Richard Guenther <rguenther@suse.de>
620 * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
622 2012-02-09 Peter Bergner <bergner@vnet.ibm.com>
625 * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
627 2012-02-09 Jakub Jelinek <jakub@redhat.com>
630 * var-tracking.c (emit_note_insn_var_location): If
631 EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
632 emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
633 non-NOTE_DURING_CALL_P insn.
635 2012-02-09 Bin Cheng <bin.cheng@arm.com>
638 * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
640 2012-02-08 Magnus Granberg <zorry@gentoo.org>
643 * gcc.c (switch_matches) Support switches with separated form,
646 2012-02-08 Georg-Johann Lay <avr@gjlay.de>
648 * config/avr/avr.md (SREG_ADDR): Remove constant definition.
651 * config/avr/avr.c (avr_addr_t): New typedef.
652 (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
653 (avr_init_expanders): Initialize it.
654 (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
656 (expand_epilogue): Ditto.
657 (avr_print_operand): Ditto.
658 (avr_file_start): Ditto.
659 (avr_emit_movmemhi): Ditto.
661 2012-02-08 Richard Guenther <rguenther@suse.de>
663 PR tree-optimization/46886
664 * tree-flow.h (do_while_loop_p): Declare.
665 * tree-ssa-loop-ch.c (do_while_loop_p): Export.
666 * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
668 2012-02-08 Andrew MacLeod <amacleod@redhat.com>
670 * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
671 always succeed for integers larger than a native word.
673 2012-02-08 Richard Guenther <rguenther@suse.de>
675 PR rtl-optimization/52170
676 * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
677 properly handle integer vector modes.
679 2012-02-08 Jakub Jelinek <jakub@redhat.com>
681 PR gcov-profile/52150
682 * coverage.c: Include target.h.
683 (build_var): Call targetm.strip_name_encoding on the assembler name.
684 Change one _ into . or $ if the target allows it.
685 * Makefile.in (coverage.o): Depend on $(TARGET_H).
687 PR rtl-optimization/52139
688 * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
689 is a BARRIER after emit_insn_after_noloc, move BB_END
690 to the last non-BARRIER insn before it.
692 2012-02-07 Richard Sandiford <rdsandiford@googlemail.com>
695 * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
696 (mips_gimplify_va_arg_expr): Call it instead of
697 std_gimplify_va_arg_expr.
699 2012-02-07 Michael Meissner <meissner@linux.vnet.ibm.com>
701 * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
702 message for -mno-pointers-to-nested-function.
704 2012-02-07 Eric Botcazou <ebotcazou@adacore.com>
707 * expr.c (get_inner_reference): If there is an offset, add a negative
708 bit position to it (if any).
710 2012-02-07 Jakub Jelinek <jakub@redhat.com>
712 PR rtl-optimization/52060
713 * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
714 copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
715 before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
716 and/or i0src_copy2 when needed.
718 2012-02-07 Jakub Jelinek <jakub@redhat.com>
720 * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
721 or LTOPLUGINSONAME if have_c.
723 * config/freebsd-spec.h: Add comment about what macros can be defined
725 (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
726 * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
729 2012-02-07 Richard Guenther <rguenther@suse.de>
731 * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
732 newline in -alias dumps.
734 2012-02-07 Kai Tietz <ktietz@redhat.com>
735 Dave Korn <dave.korn.cygwin@gmail.com>
738 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
739 Take care that typinfo gets dllexport-attribute.
741 2012-02-07 Jakub Jelinek <jakub@redhat.com>
744 * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
745 if modifier < EXPAND_SUM call force_operand on the result.
747 2012-02-07 Joern Rennecke <joern.rennecke@embecosm.com>
749 * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
750 adding __forwarder_dst__ prefix if a forwarder_section attribute is
752 (epiphany_function_type): Replace types for specific interrupts with
753 EPIPHANY_FUNCTION_INTERRUPT.
754 (EPIPHANY_INTERRUPT_P): Update.
755 * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
757 (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
758 <disinterrupt>: Affects type identity.
759 (epiphany_handle_interrupt_attribute): Handle variable number of
761 (epiphany_compute_function_type): Update for new
762 epiphany_function_type definition.
763 (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
764 handlers with a longcall forwarder.
765 (epiphany_start_function): Handle multiple interrupt arguments and/or
766 forwarder_section attribute.
768 * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
771 2012-02-07 Alan Modra <amodra@gmail.com>
774 * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
777 2012-02-06 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
779 PR tree-optimization/50969
780 * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
781 use vec_perm rather than vector_stmt.
782 (vect_model_load_cost): Likewise.
783 * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
784 vec_perm to be the same as other vector statements.
785 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
786 cost of vec_perm for TARGET_VSX.
788 2012-02-06 Richard Guenther <rguenther@suse.de>
790 PR tree-optimization/52115
791 * tree-sra.c (access_has_replacements_p): New function.
792 (sra_modify_assign): Use it to decide whether a use is uninitialized.
794 2012-02-06 Patrick Marlier <patrick.marlier@gmail.com>
797 * trans-mem.c (expand_call_tm): Add an assertion.
798 * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
801 2012-02-06 Richard Guenther <rguenther@suse.de>
803 PR tree-optimization/50955
804 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
805 raise cost of expressions that replace an address with an
806 expression based on a different pointer.
808 2012-02-06 Jakub Jelinek <jakub@redhat.com>
811 * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
812 CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
814 2012-02-06 Jonathan Wakely <jwakely.gcc@gmail.com>
817 * doc/invoke.texi (C++ Dialect Options): Use @option markup for
818 -Weffc++ and specify guidelines come from second edition.
820 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
822 * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
823 (sibcall_value_multiple_internal, call_split, call_internal_direct)
824 (call_direct_split, call_value_split, call_value_internal_direct)
825 (call_value_direct_split, call_value_multiple_split): Use jal and
826 jal_macro attributes.
828 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
830 * reload1.c (reload_regs_reach_end_p): Replace with...
831 (reload_reg_rtx_reaches_end_p): ...this function.
832 (new_spill_reg_store): Update commentary.
833 (emit_input_reload_insns): Don't clear new_spill_reg_store here.
834 (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
835 before setting new_spill_reg_store.
836 (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
837 Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
838 Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
839 for non-spill reload registers.
841 2012-02-05 Ira Rosen <irar@il.ibm.com>
843 PR tree-optimization/52091
844 * tree-vectorizer.h (vect_is_simple_use): Add an argument.
845 (vect_is_simple_use_1): Likewise.
846 * tree-vect-loop.c (vectorizable_reduction): Update calls
847 to vect_is_simple_use_1 and vect_is_simple_use.
848 (vectorizable_live_operation): Likewise.
849 * tree-vect-patterns.c (widened_name_p,
850 vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
851 * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
852 vectorizable_call, vectorizable_conversion, vectorizable_assignment,
853 vectorizable_shift,vectorizable_operation, vectorizable_store,
854 vectorizable_load): Likewise.
855 (vect_is_simple_cond): Add an argument, pass it to
856 vect_is_simple_use_1.
857 (vectorizable_condition): Update calls to vect_is_simple_cond,
859 (vect_is_simple_use): Add an argument, the statement in which
860 OPERAND is used. Check that if OPERAND's def stmt is a double
861 reduction phi node, the use is a phi node too.
862 (vect_is_simple_use_1): Add an argument, pass it to
864 * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
865 to vect_is_simple_use.
867 2012-02-04 Jakub Jelinek <jakub@redhat.com>
869 PR rtl-optimization/52095
870 * modulo-sched.c (dump_insn_locator): New function.
871 (loop_canon_p, sms_schedule): Use it.
873 PR rtl-optimization/52113
874 * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
875 even for decomposable shift/zext insns.
877 2012-02-03 Jakub Jelinek <jakub@redhat.com>
878 Zdenek Dvorak <ook@ucw.cz>
880 PR rtl-optimization/52092
881 * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
882 on get_iv_value result.
884 2012-02-02 Andrew Pinski <apinski@cavium.com>
888 * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
890 2012-02-02 Jakub Jelinek <jakub@redhat.com>
893 * diagnostic.c (diagnostic_finish): Remove trailing newlines.
895 2012-02-02 Vladimir Makarov <vmakarov@redhat.com>
897 PR rtl-optimization/49800
898 * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
899 (sched_finish): Call regstat_free_n_sets_and_refs.
901 2012-02-02 Jia Liu <proljc@gmail.com>
903 * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
906 2012-02-02 Jan Hubicka <jh@suse.cz>
907 Tom de Vries <tom@codesourcery.com>
910 * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
911 * varpool.c (varpool_analyze_pending_decls): Likewise.
913 2012-02-02 Sumanth G <sumanth.gundapaneni@kpitcummins.com>
914 Jayant R Sonar <jayant.sonar@kpitcummins.com>
916 * config.gcc: Add cr16-* support.
918 * doc/extend.texi: Document cr16 extensions.
919 * doc/install.texi: Document cr16 install.
920 * doc/invoke.texi: Document cr16 options.
921 * doc/md.texi: Document cr16 constraints.
923 * common/config/cr16/cr16-common.c: New file.
924 * config/cr16/cr16.c: New file.
925 * config/cr16/cr16.h: New file.
926 * config/cr16/cr16.md: New file.
927 * config/cr16/cr16.opt: New file.
928 * config/cr16/cr16-protos.h: New file.
929 * config/cr16/predicates.md: New file.
930 * config/cr16/constraints.md: New file.
931 * config/cr16/t-cr16: New file.
933 2012-02-02 Jakub Jelinek <jakub@redhat.com>
936 * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
937 that operands[2] is either immediate, or q_regs_operand.
939 PR tree-optimization/52073
940 * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
941 a pattern stmt for pattern uses, ignore uses outside of the loop.
943 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
945 * config/avr/avr.c: Resolve all AS1 and AS2 macros.
946 * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
947 (OUT_AS1, OUT_AS2): Remove.
949 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
951 PR rtl-optimization/51374
952 * combine.c (can_combine_p): Don't allow volatile_refs_p insns
953 to cross other volatile_refs_p insns.
955 2012-02-01 Richard Guenther <rguenther@suse.de>
957 * doc/invoke.texi (fno-inline): Clarify documentation.
958 (finline-small-functions): Likewise.
959 (finline-functions): Likewise.
960 * common.opt (finline): Adjust comment and documentation.
961 (finline-small-functions): Clarify documentation.
962 (finline-functions): Likewise.
963 (finline-functions-called-once): Likewise.
965 2012-02-01 Tristan Gingold <gingold@adacore.com>
967 * c-typeck.c (composite_type): Keep mode for pointers.
969 2012-01-31 Richard Sandiford <rdsandiford@googlemail.com>
971 * function.h (regno_reg_rtx): Adjust comment.
972 * reginfo.c (init_reg_modes_target): Only use the previous mode
973 if it fits within one register. Remove MIPS comment.
975 2012-01-31 Jakub Jelinek <jakub@redhat.com>
978 * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
980 2012-01-31 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
982 * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
985 2012-01-31 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
987 * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
989 2012-01-31 Jakub Jelinek <jakub@redhat.com>
994 * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
996 2012-01-31 Richard Guenther <rguenther@suse.de>
998 PR tree-optimization/51528
999 * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
1002 2012-01-31 Jakub Jelinek <jakub@redhat.com>
1007 * ree.c (add_removable_extension): Change def_map argument
1008 to unsigned *, store in def_map 1 + offset into *insn_list vector
1009 instead of pointers into the vector.
1010 (find_removable_extensions): Adjust caller.
1012 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
1014 * config/avr/avr.md: Resolve all AS1 and AS2 macros.
1015 Transform all "* quoted-c-code" to { c-code }.
1016 Remove redundant test for "optimize" in combine patterns.
1017 Move (include "avr-dimode.md") to end of file.
1019 2012-01-30 Bin Cheng <bin.cheng@arm.com>
1022 * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
1023 for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
1025 2012-01-30 Richard Guenther <rguenther@suse.de>
1027 PR tree-optimization/52028
1028 * tree-loop-distribution.c (ldist_gen): Properly update
1031 2012-01-30 Jakub Jelinek <jakub@redhat.com>
1034 * dwarf2out.c (dwarf2out_switch_text_section): Don't call
1035 set_cur_line_info_table if not emitting debug info.
1037 PR tree-optimization/52046
1038 * tree-vect-patterns.c (check_bool_pattern): Give up if
1039 a comparison could throw.
1042 * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
1044 2012-01-30 Richard Guenther <rguenther@suse.de>
1046 PR tree-optimization/52045
1047 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
1048 SSA form if cfgcleanup did anything.
1050 2012-01-30 Richard Guenther <rguenther@suse.de>
1052 PR tree-optimization/52045
1053 * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
1054 before computing final todo.
1056 2012-01-30 Richard Guenther <rguenther@suse.de>
1058 PR tree-optimization/51528
1059 * tree-sra.c (sra_modify_assign): Re-factor in preparation
1062 2012-01-30 Paolo Bonzini <bonzini@gnu.org>
1064 * df-problems.c (df_kill_notes): Check that the use refers
1065 to the note under examination.
1067 2012-01-30 Eric Botcazou <ebotcazou@adacore.com>
1070 * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
1071 parameter and use short-lived pseudos.
1072 (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
1073 (sparc_expand_vector_init): Const-ify local variables and adjust
1074 calls to above functions.
1076 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
1078 * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
1080 2012-01-29 Sandra Loosemore <sandra@codesourcery.com>
1082 * doc/invoke.texi: Make usage of "compile time" and
1083 "run time"/"runtime" consistent throughout the file.
1085 2012-01-29 Uros Bizjak <ubizjak@gmail.com>
1087 * config/alpha/alpha.c (alpha_option_override): Default to
1088 full IEEE compliance mode for Go language.
1090 2011-01-29 Tijl Coosemans <tijl@coosemans.org>
1092 * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
1093 (LINK_SSP_SPEC): Define.
1095 2012-01-28 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1098 * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
1101 2012-01-28 Sandra Loosemore <sandra@codesourcery.com>
1103 * doc/invoke.texi: Correct hyphenation of "floating point",
1104 "double precision", and related terminology throughout the file.
1106 2012-01-28 Jakub Jelinek <jakub@redhat.com>
1109 * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
1110 arm_general_register_operand predicate for operand 2 instead of
1113 2012-01-27 Ian Lance Taylor <iant@google.com>
1116 * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
1117 * builtins.c (expand_builtin_init_trampoline): Add onstack
1118 parameter. Change caller.
1119 (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
1120 * tree.c (build_common_builtin_nodes): Declare
1121 __builtin_init_heap_trampoline.
1123 2012-01-27 Georg-Johann Lay <avr@gjlay.de>
1125 * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
1126 tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
1127 * config/avr/avr.c: Ditto.
1128 (avr_regnames): Remove because unused.
1129 * config/avr/avr.md (*cpse.ne): New peephole.
1130 (*cpse.eq): New peephole from former cpse peepholes.
1132 2012-01-27 Michael Eager <eager@eagercon.com>
1134 * config/microblaze.c (microblaze_emit_compare): Correct
1135 test after pcmp instruction.
1137 2012-01-27 Richard Guenther <rguenther@suse.de>
1139 PR tree-optimization/52020
1140 * tree-sra.c (sra_modify_assign): Do not transform clobbers.
1142 2012-01-27 Richard Guenther <rguenther@suse.de>
1144 * ipa-pure-const.c (check_stmt): Clobbers do not make a
1145 function non-const/pure.
1147 2012-01-27 Richard Guenther <rguenther@suse.de>
1149 PR tree-optimization/50444
1150 * tree-sra.c (build_ref_for_offset): Properly adjust the
1151 MEM_REF type for unaligned accesses.
1153 2012-01-27 Richard Guenther <rguenther@suse.de>
1155 PR tree-optimization/50444
1156 * expr.c (mem_ref_refers_to_non_mem_p): New function.
1157 (expand_assignment): Use it. Properly handle misaligned
1158 bases when expanding stores to component references.
1159 (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
1162 2012-01-27 Andrey Belevantsev <abel@ispras.ru>
1165 * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
1166 * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
1167 * tree-data-ref.c (find_data_references_in_loop): Make static.
1168 (compute_all_dependences): Change return type to bool. Bail out
1169 for too many datarefs in a loop. Move the hunk resetting the data
1170 dependences vector from ...
1171 (compute_data_dependences_for_loop): ... here. Account for
1172 compute_all_dependences returning false.
1173 (compute_data_dependences_for_bb): Likewise.
1174 * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
1175 * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
1177 2012-01-27 Richard Guenther <rguenther@suse.de>
1180 * expr.c (store_field): Use the alias-set of the scratch memory
1183 2012-01-27 Tom de Vries <tom@codesourcery.com>
1185 PR tree-optimization/51990
1186 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
1188 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
1190 2012-01-27 Jakub Jelinek <jakub@redhat.com>
1193 * var-tracking.c (reverse_op): Don't add any reverse operation
1194 if V already has any constant locations.
1196 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
1198 * doc/invoke.texi: Correct usage of "command line" (noun)
1199 vs "command-line" (adjective) throughout.
1201 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
1203 * doc/invoke.texi (Language Independent Options): Move
1204 -Wcoverage-mismatch blurb from here....
1205 (Warning Options): ...to here.
1207 2012-01-27 Peter Bergner <bergner@vnet.ibm.com>
1209 * config/rs6000/rs6000.c (rs6000_option_override_internal):
1210 Set rs6000_always_hint to false for 476.
1212 2012-01-27 Matthias Klose <doko@ubuntu.com>
1214 * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
1216 * incpath.c (add_standard_paths): Likewise.
1218 2012-01-27 Richard Henderson <rth@redhat.com>
1220 * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
1221 * config/m68k/sync.md (atomic_test_and_set): Rename from
1222 sync_test_and_setqi and adjust the operands.
1223 (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
1224 and unconditionally enable.
1226 2012-01-27 Richard Henderson <rth@redhat.com>
1228 * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
1229 * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
1230 (ldstub): Rename from ldstubqi.
1231 (ldstub<I24MODE>): Remove.
1233 2012-01-27 Richard Henderson <rth@redhat.com>
1235 * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
1236 * c-cppbuiltin.c (cpp_atomic_builtins): Define
1237 __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
1238 * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
1239 * doc/tm.texi: Rebuild.
1241 2012-01-27 Richard Henderson <rth@redhat.com>
1243 * optabs.c (gen_atomic_test_and_set): Remove default.
1244 (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
1246 2012-01-26 Jakub Jelinek <jakub@redhat.com>
1248 PR rtl-optimization/51978
1249 * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
1250 (combine_reaching_defs): Likewise.
1251 (struct re_info): Remove.
1252 (add_removable_extension): Remove x and data arguments,
1253 add insn, insn_list and def_map. Use the arguments directly
1254 instead of using struct re_info.
1255 (find_removable_extensions): Don't call add_removable_extension
1256 through note_stores, instead just call it with single_set
1258 (find_and_remove_re): Pass curr_cand->expr instead of
1259 PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
1261 2012-01-26 Michael Matz <matz@suse.de>
1263 PR tree-optimization/46590
1264 * cfgexpand.c: Revert last change (r183305).
1265 * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
1267 * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
1268 checking for emptiness.
1270 2012-01-26 Jakub Jelinek <jakub@redhat.com>
1273 * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
1274 non-addressable non-BLKmode base correctly.
1276 2012-01-26 Michael Matz <matz@suse.de>
1278 PR tree-optimization/48794
1279 * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
1280 regions referenced from RESX/EH_DISPATCH.
1282 2012-01-26 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1284 * config/s390/s390.h: Make BRANCH_COST an option.
1285 * config/s390/s390.opt: New option -mbranch-cost.
1287 2012-01-26 Richard Henderson <rth@redhat.com>
1289 Revert 2012-01-24 change:
1290 * trans-mem.c (requires_barrier): Do not instrument thread local
1291 variables and emit save/restore for them.
1293 2012-01-25 Jakub Jelinek <jakub@redhat.com>
1296 * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
1299 2012-01-25 Richard Sandiford <rdsandiford@googlemail.com>
1301 * config/mips/mips.c (mips_small_data_pattern_1): Don't process
1304 2012-01-25 Georg-Johann Lay <avr@gjlay.de>
1307 Rename __pgm to __flash.
1308 Rename __pgm1 to __flash1.
1309 Rename __pgm2 to __flash2.
1310 Rename __pgm3 to __flash3.
1311 Rename __pgm4 to __flash4.
1312 Rename __pgm5 to __flash5.
1313 Rename __pgmx to __memx.
1314 * doc/extend.texi (AVR Named Address Spaces)
1315 Rename address space names as indicated above.
1316 * config/avr/avr.c (avr_addrspace): Ditto.
1318 * config/avr/avr-protos.h
1319 (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
1320 (avr_mem_pgm_p): Rename to avr_mem_flash_p.
1321 * config/avr/predicates.md: Ditto.
1322 * config/avr/avr.c Ditto, and
1323 (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
1324 (avr_decl_pgm_p): Rename to avr_decl_flash_p.
1326 * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
1327 (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
1328 (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
1329 (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
1330 (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
1331 (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
1332 (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
1333 * config/avr/avr.c: Ditto.
1334 * config/avr/avr.md: Ditto.
1336 2012-01-25 Jason Merrill <jason@redhat.com>
1339 * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
1341 2012-01-25 Jakub Jelinek <jakub@redhat.com>
1343 PR tree-optimization/51987
1344 * tree-data-ref.c (get_references_in_stmt): Handle references in
1345 non-volatile GIMPLE_ASM.
1347 2012-01-25 Richard Guenther <rguenther@suse.de>
1349 * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
1350 bases are dereferenced.
1352 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
1354 PR rtl-optimization/48374
1355 * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
1357 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
1359 * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
1360 compute_data_dependences_for_loop returns false.
1361 * tree-parloops.c (loop_parallel_p): Likewise.
1363 2012-01-25 Richard Guenther <rguenther@suse.de>
1365 * tree.h (get_pointer_alignment_1): Declare.
1366 * builtins.c (get_pointer_alignment_1): New function.
1367 (get_pointer_alignment): Use it.
1369 2012-01-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1371 PR rtl-optimization/48308
1372 * combine.c (enum undo_kind): Add UNDO_LINKS.
1373 (struct undo): Add member l to other_contents and where.
1374 (do_SUBST_LINK): New.
1376 (try_combine): Handle LOG_LINKS for the dummy i1 case.
1377 (undo_all): Handle UNDO_LINKS.
1379 2012-01-25 Richard Henderson <rth@redhat.com>
1381 * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
1384 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1386 * optabs.c (gen_atomic_test_and_set): Use each argument.
1388 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1390 * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
1391 (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
1392 (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
1393 (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
1394 (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
1395 TARGET_PAIRED_SINGLE_FLOAT.
1397 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1399 * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
1400 (in_struct, return_val): Remove MEM documentation.
1401 * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
1402 (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
1403 (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
1405 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
1406 * cfgexpand.c (add_alias_set_conflicts): Likewise.
1407 * expr.c (store_field): Likewise.
1408 * function.c (assign_stack_temp_for_type): Likewise.
1409 * ifcvt.c (noce_try_cmove_arith): Likewise.
1410 * reload1.c (reload): Likewise.
1411 * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
1412 (alpha_set_memflags): Likewise.
1413 * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
1415 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1417 * rtl.h (true_dependence, canon_true_dependence): Remove varies
1419 * alias.c (fixed_scalar_and_varying_struct_p): Delete.
1420 (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
1421 (true_dependence_1, true_dependence, canon_true_dependence): Remove
1423 * cselib.c (cselib_rtx_varies_p): Delete.
1424 (cselib_invalidate_mem): Update call to canon_true_dependence.
1425 * dse.c (record_store, check_mem_read_rtx): Likewise.
1426 (scan_reads_nospill): Likewise.
1427 * cse.c (check_dependence): Likewise.
1428 (cse_rtx_varies_p): Delete.
1429 * expr.c (safe_from_p): Update call to true_dependence.
1430 * ira.c (validate_equiv_mem_from_store): Likewise.
1431 (memref_referenced_p): Likewise.
1432 * postreload-gcse.c (find_mem_conflicts): Likewise.
1433 * sched-deps.c (sched_analyze_2): Likewise.
1434 * store-motion.c (load_kills_store): Likewise.
1435 * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
1436 * gcse.c (mems_conflict_for_gcse_p): Likewise.
1437 (compute_transp): Update call to canon_true_dependence.
1439 2012-01-25 Richard Henderson <rth@redhat.com>
1441 * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
1442 (maybe_emit_atomic_test_and_set): New.
1443 (expand_sync_lock_test_and_set): Use it.
1444 (expand_atomic_test_and_set): Likewise.
1445 * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
1446 the implementation; clarify implementation defined details.
1447 * doc/md.texi (atomic_test_and_set): Document.
1449 2012-01-25 Richard Henderson <rth@redhat.com>
1451 * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
1453 2012-01-25 Richard Henderson <rth@redhat.com>
1456 * config/arm/arm.c (neon_split_vcombine): Emit deleted note
1457 to effect no-op split.
1459 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
1462 * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
1463 (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
1464 (BT_FN_VOID_PTR_INT_SIZE): New.
1465 (BT_FN_UINT_UINT_VAR): Remove.
1466 (BT_FN_UINT32_UINT32_VAR): New.
1467 (BT_FN_DOUBLE_VPTR): Remove.
1468 (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
1470 * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
1471 (_ITM_changeTransactionMode): Same.
1472 (_ITM_memmoveRtWt): Change return type to void.
1473 (_ITM_memcpyRtWt): Same.
1474 (_ITM_memsetW): Same.
1475 (_ITM_RaRD): Change types to double.
1480 * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
1482 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
1483 Patrick Marlier <patrick.marlier@gmail.com>
1485 * trans-mem.c (requires_barrier): Do not instrument thread local
1486 variables and emit save/restore for them.
1488 2012-01-24 Jason Merrill <jason@redhat.com>
1491 * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
1492 output static aliases.
1494 2012-01-24 Jakub Jelinek <jakub@redhat.com>
1497 * common.opt (-pie, -shared, pie, shared): Change from Common to
1499 * gcc.c (display_help): Display help for -pie and -shared.
1501 2012-01-24 Georg-Johann Lay <avr@gjlay.de>
1504 * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
1505 Remove note on size/offset limitation.
1506 (AVR Variable Attributes): Add example how to read data located
1507 with progmem. Refer to named address spaces.
1508 * doc/invoke.texi (AVR Options): Fix typo.
1510 2012-01-24 Richard Guenther <rguenther@suse.de>
1512 Forward-port to trunk
1513 2010-09-21 Jakub Jelinek <jakub@redhat.com>
1516 * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
1517 op0 isn't sufficiently aligned and there is movmisalignM
1518 insn for mode, use it to load op0 into a temporary register.
1520 2012-01-24 Jakub Jelinek <jakub@redhat.com>
1523 * target.def (const_not_ok_for_debug_p): New hook.
1524 * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
1526 * doc/tm.texi: Regenerated.
1527 * dwarf2out.c (const_ok_for_output_1): If
1528 targetm.const_not_ok_for_debug_p returns true, fail.
1529 * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
1531 (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
1533 2012-01-23 Kai Tietz <ktietz@redhat.com>
1536 * config/i386/predicates.md (symbolic_operand): Allow
1537 UNSPEC_PCREL as PIC expression for lea.
1538 * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
1539 * config/i386/i386.c (ix86_delegitimize_address): Handle
1540 UNSPEC_PCREL for none-MEM, too.
1542 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
1544 * trans-mem.c (ipa_tm_create_version): Set externally_visible.
1545 (ipa_tm_create_version_alias): Same.
1547 2012-01-23 Uros Bizjak <ubizjak@gmail.com>
1550 * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
1551 * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
1553 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
1554 Patrick Marlier <patrick.marlier@gmail.com>
1555 Iain Sandoe <developer@sandoe-acoustics.co.uk>
1558 * lto-wrapper.c (run_gcc): Pass the LTO section name to
1559 simple_object_start_read.
1561 2012-01-23 Richard Guenther <rguenther@suse.de>
1564 PR tree-optimization/51895
1565 * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
1566 parameter decomposition into BLKmode components.
1568 2012-01-23 Eric Botcazou <ebotcazou@adacore.com>
1570 * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
1571 fake variables for restrict-qualified pointers whose pointed-to type
1572 contains a placeholder.
1574 2012-01-23 Richard Guenther <rguenther@suse.de>
1576 PR tree-optimization/51949
1577 * ipa-split.c (execute_split_functions): Do not split malloc functions.
1579 2012-01-23 Jakub Jelinek <jakub@redhat.com>
1581 PR rtl-optimization/51933
1582 * ree.c (transform_ifelse): Return true right away if dstreg is
1583 already wider or equal to cand->mode.
1584 (enum ext_modified_kind, struct ext_modified, ext_state): New types.
1585 (make_defs_and_copies_lists): Remove defs_list and copies_list
1586 arguments, add state argument, just truncate state->work_list
1587 instead of always allocating and freeing the vector. Assert that
1588 get_defs succeeds instead of returning 2. Changed return type to bool.
1589 (merge_def_and_ext): Add state argument. If SET_DEST doesn't
1590 have ext_src_mode, see if it has been modified already with the
1591 right kind of extension and has been extended before from the
1592 ext_src_mode. If SET_DEST is already wider or equal to cand->mode,
1593 just return true. Remember the original mode in state->modified array.
1594 (combine_reaching_defs): Add state argument. Don't allocate and
1595 free here def_list, copied_list and vec vectors, instead just
1596 VEC_truncate the vectors in *state. Don't handle outcome == 2 here.
1597 (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
1598 Add state variable, clear vectors in it, initialize state.modified
1599 if needed. Free all the vectors at the end and state.modified too.
1600 Don't skip a candidate if the extension expression has been modified.
1602 2012-01-22 Douglas B Rupp <rupp@gnat.com>
1605 * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
1606 configurations. Change triplet to i[34567]86-*-interix[3-9]*.
1607 (extra_options) interix.opt -> i386/interix.opt"
1608 (extra_objs):Add winnt-stubs.o
1609 * configure.ac: Add interix to target_os .comm on PE check.
1610 * configure: Regenerate.
1611 * config/interix3.h: Delete and move bits to..
1612 * config/interix.h: Delete and move bits to..
1613 * config/i386/i386-interix3.h: Delete and move bits to..
1614 * config/i386/i386-interix.h: ..here.
1615 (TARGET_CPU_DEFAULT): Remove redefinition.
1616 (TARGET_ASM_CONSTRUCTOR): Undefine.
1617 (SUBTARGET_SWITCHES): Define for ms-bitfields.
1618 (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
1619 (PTRDIFF_TYPE): Define.
1620 (LONG_DOUBLE_TYPE_SIZE): Define.
1621 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
1622 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
1623 (TARGET_SECTION_TYPE_FLAGS): Define.
1624 (ASM_DECLARE_FUNCTION_NAME): Define.
1625 (ASM_OUTPUT_EXTERNAL): Define.
1626 (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
1627 (ASM_OUTPUT_ALIGNED_BSS): Define.
1628 (PCC_BITFIELD_TYPE_MATTERS): Define.
1629 (USE_CONST_SECTION): Define.
1630 (SUBTARGET_ENCODE_SECTION_INFO): Remove.
1631 (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
1632 (SUPPORTS_ONE_ONLY): Remove.
1633 (I386_PE_STRIP_ENCODING): Define.
1634 * config/interix.opt: Delete and move bits to..
1635 * config/i386/interix.opt: ..here. New.
1636 (mpe-aligned-commons): Add.
1637 * config/i386/t-interix: Add copyright header.
1638 (winnt-stubs.o): Add rule.
1640 2012-01-22 Jason Merrill <jason@redhat.com>
1643 * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
1644 for extra name aliases.
1646 2012-01-22 Eric Botcazou <ebotcazou@adacore.com>
1648 PR rtl-optimization/51924
1649 * ree.c (combine_set_extension): Improve debugging message.
1650 (combine_reaching_defs): Likewise.
1651 (get_defs): Rename confusingly named variable.
1652 (find_and_remove_re): Skip a candidate if the extension expression has
1655 2012-01-21 Robert Millan <rmh@gnu.org>
1656 Gerald Pfeifer <gerald@pfeifer.com>
1658 * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
1659 (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
1661 2012-01-20 Jakub Jelinek <jakub@redhat.com>
1663 PR tree-optimization/51914
1664 * tree-vect-stmts.c (vectorizable_conversion): For
1665 cvt_type && modifier == WIDEN, put temporary with cvt_type
1666 at the beginning of vec_dsts and set vec_dest to temporary
1669 2012-01-20 Eric Botcazou <ebotcazou@adacore.com>
1671 * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
1673 2011-01-20 Tijl Coosemans <tijl@coosemans.org>
1675 * config/i386/i386.c: Fix checks for !TARGET_MACHO.
1676 * config/rs6000/rs6000.c: Likewise.
1678 2012-01-20 Jakub Jelinek <jakub@redhat.com>
1681 * config/arm/arm.c (arm_count_output_move_double_insns): Call
1682 output_move_double on a copy of operands array.
1684 2012-01-20 Cary Coutant <ccoutant@google.com>
1685 Dodji Seketeli <dodji@redhat.com>
1688 * dwarf2out.c (copy_declaration_context): Return ref to parent
1689 of declaration DIE, if necessary.
1690 (remove_child_or_replace_with_skeleton): Add new parameter; update
1691 caller. Place skeleton DIE under parent DIE of original declaration.
1692 Move call to copy_declaration_context to here ...
1693 (break_out_comdat_types): ... from here.
1695 2012-01-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1697 PR rtl-optimization/51856
1698 * reload.c (find_reloads_subreg_address): Set the address_reloaded
1701 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1704 * config/arm/arm.c (arm_print_operand): Correct output of alignment
1705 hints for neon loads and stores.
1707 2012-01-20 Georg-Johann Lay <avr@gjlay.de>
1711 * doc/extend.texi (Named Address Spaces): Split into subsections.
1712 (AVR Named Address Spaces): New subsection.
1713 (M32C Named Address Spaces): New subsection.
1714 (RL78 Named Address Spaces): New subsection.
1715 (SPU Named Address Spaces): New subsection.
1716 (Variable Attributes): New anchor "AVR Variable Attributes".
1717 (AVR Variable Attributes): Rewrite and avoid wording
1718 "address space" in this context.
1719 * doc/invoke.texi (AVR Options): Rewrite and add documentation
1720 for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
1721 (AVR Built-in Macros): New subsubsection therein.
1722 * doc/md.texi (AVR constraints): Remove "C04", "R".
1724 2012-01-20 Richard Guenther <rguenther@suse.de>
1726 PR tree-optimization/51903
1727 * tree-ssa-pre.c (eliminate): Properly purging of EH edges
1728 when removing stmts.
1730 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1733 * config/arm/arm.c (arm_load_pic_register): Use
1734 gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
1735 , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
1736 (arm_pic_static_addr): Likewise.
1737 (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
1738 (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
1739 * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
1740 (pic_load_addr_unified): New.
1742 2012-01-20 Andrey Belevantsev <abel@ispras.ru>
1745 * function.c (instantiate_virtual_regs_in_insn): Use
1746 delete_insn_and_edges when removing a wrong asm insn.
1748 2012-01-19 Vladimir Makarov <vmakarov@redhat.com>
1750 PR rtl-optimization/40761
1751 * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
1752 Add new member loop_num.
1753 (IRA_LOOP_NODE_BY_INDEX): Modify the check.
1754 (ira_build): Remove the parameter.
1756 * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
1757 (ira.c): Do not build CFG loops for one region allocation. Remove
1758 argument from ira_build call.
1760 * ira-build.c (init_loop_tree_node): New function.
1761 (create_loop_tree_nodes): Use it. Separate the case when CFG
1762 loops are not built.
1763 (more_one_region_p): Check current_loops.
1764 (finish_loop_tree_nodes): Separate the case when CFG loops are not
1766 (add_loop_to_tree): Process loop equal to NULL too.
1767 (form_loop_tree): Separate the case when CFG loops are not built.
1768 Use explicitly number for the root.
1769 (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
1771 (ira_print_expanded_allocno, loop_compare_func): Use loop_num
1772 instead of loop->num.
1773 (mark_loops_for_removal): Ditto. Use loop_num instead of loop->num.
1774 (mark_all_loops_for_removal): Ditto.
1775 (remove_unnecessary_regions): Separate the case when CFG loops
1777 (ira_build): Remove the parameter. Use explicit number of regions
1778 when CFG loops are not built.
1780 * ira-color.c (print_loop_title): Separate the case for the root node.
1781 Use loop_num instead of loop->num.
1782 (move_spill_restore): Use loop_num instead of loop->num.
1784 * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
1785 (change_loop): Ditto.
1786 (change_loop): Use loop_num instead of loop->num.
1788 * ira-lives.c (process_bb_node_lives): Ditto.
1790 * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
1792 * ira-conflicts.c (print_allocno_conflicts): Ditto.
1794 2012-01-19 Jakub Jelinek <jakub@redhat.com>
1797 * tree-mudflap.c (mf_artificial): New function.
1798 (execute_mudflap_function_ops, execute_mudflap_function_decls,
1799 mx_register_decls, mudflap_enqueue_decl): Use it.
1802 * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
1803 numbers in the insn pattern.
1805 2012-01-19 Michael Matz <matz@suse.de>
1807 PR tree-optimization/46590
1808 * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
1809 use it in remembering which conflicts we already created.
1810 (add_scope_conflicts): Adjust call to above, (de)allocate helper
1813 2012-01-19 Aldy Hernandez <aldyh@redhat.com>
1816 * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
1817 (merge_and_complain): Same.
1819 2012-01-19 Jakub Jelinek <jakub@redhat.com>
1822 * config/initfini-array.h: Guard content of the header
1823 with #ifdef HAVE_INITFINI_ARRAY.
1824 * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
1825 Add initfini-array.h to tm_file here.
1826 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
1827 * config.gcc: Don't add initfini-array.h to tm_file here.
1828 * configure: Regenerated.
1830 2012-01-19 Andrey Belevantsev <abel@ispras.ru>
1832 PR rtl-optimization/51505
1833 * df-problems.c (df_kill_notes): New parameter live. Update comment.
1834 Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
1835 (df_note_bb_compute): Update the call to df_kill_notes.
1837 2012-01-18 Aldy Hernandez <aldyh@redhat.com>
1839 * trans-mem.c (requires_barrier): Remove call to is_global_var.
1841 2012-01-18 Richard Guenther <rguenther@suse.de>
1843 * tree-ssa.c (useless_type_conversion_p): Remove special-casing
1844 of conversions to void *.
1846 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1847 Richard Sandiford <rdsandiford@googlemail.com>
1851 * optabs.h (simplify_expand_binop): Declare.
1852 * optabs.c (simplify_expand_binop): Make global.
1853 * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
1854 endian targets if the source cannot be exactly covered by word
1857 2012-01-17 Jakub Jelinek <jakub@redhat.com>
1860 * hard-reg-set.h (struct hard_reg_set_container): New type.
1861 * target.h (struct hard_reg_set_container): Forward declare.
1862 * target.def (set_up_by_prologue): New target hook.
1863 * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
1864 * doc/tm.texi: Regenerated.
1865 * function.c (thread_prologue_and_epilogue_insns): Change
1866 set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
1867 Call targetm.set_up_by_prologue on it.
1868 * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
1869 (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
1871 2012-01-17 Nick Clifton <nickc@redhat.com>
1873 * config/rx/rx.c (rx_can_use_simple_return): New function.
1874 * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
1875 * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
1877 2012-01-17 Richard Guenther <rguenther@suse.de>
1880 * expr.c (expand_assignment): Take address-space information
1881 from the address operand of MEM_REF and TARGET_MEM_REF.
1882 (expand_expr_real_1): Likewise.
1884 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1886 * ira.c (do_reload): Make sure ira_dump_file is re-set if no
1887 reload dump is requested.
1889 2012-01-17 Aldy Hernandez <aldyh@redhat.com>
1892 * trans-mem.c (requires_barrier): Call may_be_aliased.
1894 2012-01-17 Jakub Jelinek <jakub@redhat.com>
1896 PR tree-optimization/51877
1897 * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
1898 call arguments and fndecls compare equal, instead return false if they
1899 don't. Return true only if lhs1 and lhs2 are either both NULL, or
1900 both SSA_NAMEs that are valueized the same, or they satisfy
1903 2012-01-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1905 * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
1907 * configure: Regenerate.
1909 2012-01-16 Jan Hubicka <jh@suse.cz>
1913 * convert.c (convert_to_integer): Use fold_convert for
1914 converting an INTEGER_CST to integer type.
1916 2012-01-16 Jason Merrill <jason@redhat.com>
1919 * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
1921 2012-01-16 Jakub Jelinek <jakub@redhat.com>
1924 * config/s390/s390.c (s390_chunkify_start): Don't skip
1925 call insns followed by NOTE_INSN_CALL_ARG_LOCATION note. Skip
1926 NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
1927 If insn is followed by NOTE_INSN_VAR_LOCATION or
1928 NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
1929 Don't use location of note insns.
1931 PR tree-optimization/51865
1932 * tree-inline.c (tree_function_versioning): Call remap_decl
1933 on DECL_RESULT whenever it has VOID_TYPE_P type.
1935 2012-01-15 Richard Sandiford <rdsandiford@googlemail.com>
1937 * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
1938 for calls to locally-binding MIPS16 functions if only the return
1939 type uses float regs.
1941 2012-01-15 Chung-Lin Tang <cltang@codesourcery.com>
1942 Richard Sandiford <rdsandiford@googlemail.com>
1944 * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
1945 (SYMBOL_32_HIGH): Likewise.
1946 (mips_output_tls_reloc_directive): Declare.
1947 * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
1948 (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
1949 * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
1950 (mips_lo_relocs, mips_hi_relocs): Make extern.
1951 (mips16_stub_function): Move up file.
1952 (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
1953 (mips_symbolic_constant_p): Likewise. Remove SYMBOL_32_HIGH too.
1954 (mips_symbol_insns_1): Likewise. Check mips_use_pcrel_pool_p.
1955 (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
1956 SYMBOL_FORCE_TO_MEM. Only check mips_tls_symbol_ref_1 if it's false.
1957 (mips_get_tp): Add MIPS16 support.
1958 (mips_legitimize_tls_address): Remove MIPS16 sorry().
1959 Generalize DTPREL and TPREL handling.
1960 (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
1961 Add MIPS16 TLS support.
1962 (mips_output_tls_reloc_directive): New function.
1963 (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
1964 * config/mips/predicates.md (symbolic_operand_with_high)
1965 (tls_reloc_operand): New predicates.
1966 (force_to_mem_operand): Use mips_use_pcrel_pool_p.
1967 * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
1968 (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
1969 (*unshifted_high): New instruction. Use it for MIPS16 high splitter.
1970 (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
1971 (*tls_get_tp_mips16_call_<mode>): Likewise.
1973 2012-01-15 Uros Bizjak <ubizjak@gmail.com>
1975 PR rtl-optimization/51821
1976 * recog.c (peep2_find_free_register): Determine clobbered registers
1979 2012-01-14 Denis Chertykov <chertykov@gmail.com>
1982 * config/avr/avr-protos.h: Revert change of 2012-01-09.
1983 * config/avr/avr.c: Likewise.
1984 * config/avr/avr.h: Likewise.
1986 2012-01-13 Ian Lance Taylor <iant@google.com>
1989 * tree.h (TYPE_QUALS): Add cast to int.
1990 (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
1992 2012-01-13 Ian Lance Taylor <iant@google.com>
1994 * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
1995 comparing param_index to VEC_length result.
1997 2012-01-13 Steven Bosscher <steven@gcc.gnu.org>
1999 * c-decl.c: Do not include tree-mudflap.h
2000 * tree-optimize.c: Likewise.
2001 * Makefile.in: Update dependencies.
2003 2012-01-13 Richard Guenther <rguenther@suse.de>
2006 * gimplify.c (gimplify_modify_expr_rhs): For calls with a
2007 variable-sized result always use RSO.
2009 2012-01-12 DJ Delorie <dj@redhat.com>
2011 * cfgexpand.c (convert_debug_memory_address): Allow any valid
2012 pointer type, not just the default pointer type.
2014 2012-01-09 Richard Henderson <rth@redhat.com>
2015 Denis Chertykov <chertykov@gmail.com>
2018 * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
2019 * config/avr/avr.c (avr_can_eliminate): Simplify.
2020 (avr_initial_elimination_offset): Likewise.
2021 (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
2022 (expand_epilogue): Likewise.
2023 (avr_legitimize_address): Gut.
2024 (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
2025 (avr_hard_regno_nregs): New.
2026 (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
2027 (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
2028 * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
2029 add soft frame pointer.
2030 (CALL_USED_REGISTERS): Likewise.
2031 (REG_CLASS_CONTENTS): Likewise.
2032 (REGISTER_NAMES): Likewise.
2033 (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
2034 (HARD_FRAME_POINTER_REGNUM): New.
2035 (FRAME_POINTER_REGNUM): Use soft frame pointer.
2036 (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
2037 remove the HARD_FRAME_POINTER self-elimination.
2039 2012-01-12 Georg-Johann Lay <avr@gjlay.de>
2042 * config/avr/avr.c (avr_encode_section_info): Test for absence of
2043 DECL_EXTERNAL when checking for initializers of progmem variables.
2045 2012-01-12 Ira Rosen <irar@il.ibm.com>
2047 PR tree-optimization/51799
2048 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
2049 that the last operation is a type demotion.
2051 2012-01-12 Uros Bizjak <ubizjak@gmail.com>
2053 * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
2054 (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
2056 2012-01-11 Jakub Jelinek <jakub@redhat.com>
2059 * combine.c (distribute_notes): If i3 is a noreturn call,
2060 allow old_size to be equal to args_size and make sure the
2061 noreturn call gets REG_ARGS_SIZE note.
2062 * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
2063 on noreturn calls even when the delta is 0.
2065 2012-01-11 Nathan Sidwell <nathan@acm.org>
2067 * gcov.c (STRING_SIZE): Remove.
2068 (generate_results): Erase annotations for source files with no
2069 coverage information.
2071 (output_lines): Use it.
2073 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
2075 * gimple.h (gimplify_body): Remove first argument.
2076 * gimplify.c (copy_if_shared): Add DATA argument. Do not create the
2077 pointer set here, instead just pass DATA to walk_tree.
2078 (unshare_body): Remove BODY_P argument and adjust. Create the pointer
2079 set here and invoke copy_if_shared on the size trees of DECL_RESULT.
2080 (unvisit_body): Likewise, but with unmark_visited.
2081 (gimplify_body): Remove BODY_P argument and adjust.
2082 (gimplify_function_tree): Adjust call to gimplify_body.
2083 * omp-low.c (finalize_task_copyfn): Likewise.
2085 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
2087 * tree.h (build_function_decl_skip_args): Add boolean parameter.
2088 (build_function_type_skip_args): Delete.
2089 * tree.c (build_function_type_skip_args): Make static and add
2090 SKIP_RETURN parameter. Fix thinko in the handling of variants.
2091 (build_function_decl_skip_args): Add SKIP_RETURN parameter and
2092 pass it to build_function_type_skip_args.
2093 * cgraph.h (cgraph_function_versioning): Add boolean parameter.
2094 (tree_function_versioning): Likewise.
2095 * cgraph.c (cgraph_create_virtual_clone): Adjust call to
2096 build_function_decl_skip_args.
2097 * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
2098 and pass it to build_function_decl_skip_args/tree_function_versioning.
2099 (cgraph_materialize_clone): Adjust call to tree_function_versioning.
2100 * ipa-inline-transform.c (save_inline_function_body): Likewise.
2101 * trans-mem.c (ipa_tm_create_version): Likewise.
2102 * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
2103 * tree-inline.c (declare_return_variable): Remove always-true test.
2104 (tree_function_versioning): Add SKIP_RETURN parameter. If the function
2105 returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
2106 * ipa-split.c (split_function): Skip the return value for the split
2107 part if it doesn't return.
2109 2012-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
2111 PR tree-optimization/49642
2112 * ipa-split.c (forbidden_dominators): New variable.
2113 (check_forbidden_calls): New function.
2114 (dominated_by_forbidden): Likewise.
2115 (consider_split): Check for forbidden dominators.
2116 (execute_split_functions): Initialize and free forbidden
2117 dominators info; call check_forbidden_calls.
2119 2012-01-11 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
2121 * config/arm/arm.md (mov_notscc): Use MVN for false condition.
2123 2012-01-11 Nick Clifton <nickc@redhat.com>
2125 * config/rx/rx.md (return): Define pattern.
2127 2012-01-11 Richard Guenther <rguenther@suse.de>
2129 * doc/extend.texi (malloc attribute): Adjust according to
2132 2012-01-10 Aldy Hernandez <aldyh@redhat.com>
2133 Patrick Marlier <patrick.marlier@gmail.com>
2136 * trans-mem.c (get_cg_data): Traverse aliases if requested.
2137 (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
2138 (ipa_tm_note_irrevocable): Same.
2139 (ipa_tm_scan_irr_block): Same.
2140 (ipa_tm_decrement_clone_counts): Same.
2141 (ipa_tm_scan_irr_function): Same.
2142 (ipa_tm_create_version_alias): Same.
2143 (ipa_tm_create_version): Same.
2144 (ipa_tm_transform_calls_redirect): Same.
2145 (ipa_tm_transform_calls): Same.
2146 (ipa_tm_transform_transaction): Same.
2147 (ipa_tm_execute): Same.
2149 2012-01-10 Richard Guenther <rguenther@suse.de>
2152 * opts.c (common_handle_option): Handle -Werror.
2154 2012-01-10 Andreas Schwab <schwab@linux-m68k.org>
2156 * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
2159 2012-01-10 Jason Merrill <jason@redhat.com>
2161 * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
2164 2012-01-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2166 * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
2167 supports R_386_TLS_GD_PLT reloc.
2168 (gcc_cv_as_ix86_tlsldmplt): Check if linker
2169 supports R_386_TLS_LDM_PLT reloc.
2170 * configure: Regenerate.
2171 * config.in: Regenerate.
2173 2012-01-10 Georg-Johann Lay <avr@gjlay.de>
2176 Extend __pgmx semantics to linearize memory.
2177 * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
2178 determine if code comes inline or from libgcc.
2179 (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
2180 (movmem_qi, movmem_qi): Set constraint #2 to "n".
2181 (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
2182 (movmemx_qi, movmemx_hi): New insns.
2183 (xload_<mode>_libgcc): Rewrite to new insn condition.
2184 (xload_<mode>): Remove insns.
2185 * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
2186 cases that don't satisfy avr_xload_libgcc_p().
2187 (avr_addr_space_convert): Allow converting in any direction.
2188 (avr_addr_space_subset_p): Return always true.
2189 (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
2190 (avr_emit_movmemhi): Ditto.
2191 (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
2192 (avr_out_movmem): Ditto.
2193 (AVR_SYMBOL_FLAG_PROGMEM): New macro.
2194 (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
2195 (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
2196 (avr_encode_section_info): Encode 'progmem' in symbol flags.
2197 (output_reload_in_const): Don't zero-extend any 24-bit symbols.
2199 2012-01-10 Richard Guenther <rguenther@suse.de>
2201 PR tree-optimization/50913
2202 * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
2203 Require data-refs to be representable by Graphite with respect
2206 2012-01-10 Uros Bizjak <ubizjak@gmail.com>
2208 * config/i386/constraints.md ("L"): Return true for 0xffffffff.
2209 * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
2211 2012-01-10 Tom de Vries <tom@codesourcery.com>
2213 PR rtl-optimization/51271
2214 * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
2215 handling annulled branch.
2217 2012-01-10 Richard Henderson <rth@redhat.com>
2219 * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
2220 TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
2221 struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
2222 arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
2223 arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
2224 arm_expand_vec_perm_const): New.
2225 * config/arm/arm-protos.h: Update.
2226 * config/arm/neon.md (UNSPEC_VCONCAT): New.
2227 (*neon_vswp<VDQX>): New.
2228 (neon_vcombine<VDX>): Use neon_split_vcombine.
2229 (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
2230 * config/arm/vec-common.md (vec_perm_const<VALL>): New.
2231 (vec_perm<VE>): New.
2233 2012-01-10 Richard Henderson <rth@redhat.com>
2235 * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
2236 use it if reload_completed.
2237 (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
2238 arm_output_asm_insn, arm_process_output_memory_barrier,
2239 arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
2240 arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
2241 arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
2242 arm_process_output_sync_insn, arm_output_sync_insn,
2243 arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
2244 (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
2245 (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
2246 (emit_unlikely_jump): New.
2247 (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
2248 (arm_split_atomic_op): New.
2249 * config/arm/arm-protos.h: Update.
2250 * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
2251 (struct arm_sync_generator): Remove.
2252 * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
2253 VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
2254 (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
2255 (VUNSPEC_LL, VUNSPEC_SC): New.
2256 (sync_result, sync_memory, sync_required_value, sync_new_value,
2257 sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
2258 (attr length): Don't use arm_sync_loop_insns.
2259 (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
2260 (movsfcc, movdfcc): Likewise.
2261 * config/arm/constraints.md (Ua): New.
2262 * config/arm/prediates.md (mem_noofs_operand): New.
2263 (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
2264 (sync_clobber, sync_t2_reqd): Remove.
2265 (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
2266 (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
2267 (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
2268 (arm_sync_compare_and_swap<SIDI>): Remove.
2269 (arm_sync_compare_and_swap<NARROW>): Remove.
2270 (arm_sync_lock_test_and_set<SIDI>): Remove.
2271 (arm_sync_lock_test_and_set<NARROW>): Remove.
2272 (arm_sync_new_<syncop><SIDI>): Remove.
2273 (arm_sync_new_<syncop><NARROW>): Remove.
2274 (arm_sync_new_nand<SIDI>): Remove.
2275 (arm_sync_new_nand<NARROW>): Remove.
2276 (arm_sync_old_<syncop><SIDI>): Remove.
2277 (arm_sync_old_<syncop><NARROW>): Remove.
2278 (arm_sync_old_nand<SIDI>): Remove.
2279 (arm_sync_old_nand<NARROW>): Remove.
2280 (*memory_barrier): Merge arm_output_memory_barrier.
2281 (atomic_compare_and_swap<QHSD>): New.
2282 (atomic_compare_and_swap<NARROW>_1): New.
2283 (atomic_compare_and_swap<SIDI>_1): New.
2284 (atomic_exchange<QHSD>): New.
2285 (cas_cmp_operand, cas_cmp_str): New.
2286 (atomic_op_operand, atomic_op_str): New.
2287 (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
2288 (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
2289 (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
2290 (arm_load_exclusive<NARROW>): New.
2291 (arm_load_exclusivesi, arm_load_exclusivedi): New.
2292 (arm_store_exclusive<QHSD>): New.
2294 2012-01-09 Michael Meissner <meissner@linux.vnet.ibm.com>
2296 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
2297 reload patterns if -mvsx-scalar-memory.
2299 * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
2300 generated, even -mno-vsx-scalar-double was used.
2301 (vsx_xscvdpsp_scalar): Likewise.
2302 (vsx_xscvspdp_scalar2): Likewise.
2304 2012-01-09 Tom de Vries <tom@codesourcery.com>
2305 Andrew Pinski <apinski@cavium.com>
2308 * reorg.c (fill_slots_from_thread): Don't speculate
2309 frame-related insns.
2311 2012-01-09 Richard Sandiford <rdsandiford@googlemail.com>
2313 * sched-int.h (bb_note): Move to...
2314 * basic-block.h: ...here.
2315 * haifa-sched.c (bb_note): Move to...
2316 * cfgrtl.c: ...here.
2317 * function.c (next_block_for_reg): New function.
2318 (move_insn_for_shrink_wrap): Likewise.
2319 (prepare_shrink_wrap): Rewrite to use the above.
2321 2012-01-09 Aldy Hernandez <aldyh@redhat.com>
2323 * gimple.c (is_gimple_non_addressable): Remove.
2324 * gimple.h: Remove is_gimple_non_addressable.
2325 * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
2326 is_gimple_non_addressable.
2327 * trans-mem.c (expand_assign_tm): Same.
2329 2012-01-09 Richard Guenther <rguenther@suse.de>
2331 PR tree-optimization/51775
2332 * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
2333 * tree-ssa-pre.c (eliminate): Properly fixup EH info.
2335 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
2337 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
2339 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
2341 2012-01-09 Richard Guenther <rguenther@suse.de>
2343 * tree-streamer-out.c (write_ts_optimization): Fix spelling.
2345 2012-01-08 Jan Hubicka <jh@suse.cz>
2347 PR tree-optimize/51680
2348 * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
2349 on when known_vals needs to be computed; cleanup.
2351 2012-01-08 Jan Hubicka <jh@suse.cz>
2353 PR tree-optimize/51694
2354 * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
2356 2012-01-08 Jonathan Wakely <jwakely.gcc@gmail.com>
2358 * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
2359 for -std=c++98 and -std=c++11 too.
2361 2012-01-08 Chung-Lin Tang <cltang@codesourcery.com>
2363 * cfgloop.c (cancel_loop): Add free() of bbs array.
2365 2012-01-07 Jan Hubicka <jh@suse.cz>
2367 PR tree-optimization/51600
2368 * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
2369 that benefits small functions.
2371 2012-01-07 Jan Hubicka <jh@suse.cz>
2373 * ipa-inline.c (want_inline_small_function_p): Fix formating.
2375 2012-01-07 Jan Hubicka <jh@suse.cz>
2377 PR tree-optimization/51680
2378 * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
2379 whose inlining reduce unit size.
2381 2012-01-07 Alexandre Oliva <aoliva@redhat.com>
2384 * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
2385 Add canonical node to containing_mem chain after the non-canonical
2386 one, even if there weren't any locs to propagate.
2387 (remove_useless_values): Keep only canonical values.
2388 (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
2389 (cselib_invalidate_mem): Likewise. Ensure v is canonical, and
2390 canonicalize mem_chain elements that are not discarded.
2392 2012-01-06 Jakub Jelinek <jakub@redhat.com>
2395 * cgraphunit.c (cgraph_optimize): Call output_weakrefs
2396 before emitting functions.
2398 PR gcov-profile/50127
2399 * bb-reorder.c (partition_hot_cold_basic_blocks): Call
2400 clear_aux_for_blocks.
2402 2012-01-06 Alexandre Oliva <aoliva@redhat.com>
2405 * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
2407 2012-01-06 Arnaud Charlet <charlet@adacore.com>
2409 * c-decl.c (ext_block): Moved up.
2410 (collect_all_refs, for_each_global_decl): Take ext_block into account.
2412 2012-01-06 Han Shen <shenhan@google.com>
2414 Translate built-in include paths for sysroot.
2415 * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
2416 (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
2418 * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
2419 GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
2421 * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
2422 control whether sysroot should be prepended to gxx include dir.
2424 * configure: Regenerate.
2426 2012-01-06 Torvald Riegel <triegel@redhat.com>
2428 PR rtl-optimization/51771
2429 * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
2430 * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
2432 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
2434 PR tree-optimization/51315
2435 * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
2436 (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
2438 2012-01-05 Uros Bizjak <ubizjak@gmail.com>
2441 * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
2442 for shrp pattern. Correctly handle and fixup shift variable.
2443 Return false when shift > nelt for BYTES_BIG_ENDIAN target.
2445 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2448 * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
2449 note when !ACCUMULATE_OUTGOING_ARGS.
2451 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
2453 * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
2455 (extract_range_from_unary_expr_1): Avoid useless computations.
2457 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2459 PR rtl-optimization/51767
2460 * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
2461 of jump_block and add an extra edge for degenerated asm gotos.
2464 * stmt.c (check_unique_operand_names): Don't ICE during error
2465 reporting if i is from labels chain.
2468 * profile.c (branch_prob): Split bbs that have exit edge
2469 and need a fake entry edge too.
2471 2012-01-05 Jan Hubicka <jh@suse.cz>
2474 * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
2477 2012-01-05 Richard Guenther <rguenther@suse.de>
2480 * tree-streamer-out.c (write_ts_optimization): New function.
2481 (streamer_write_tree_body): Call it.
2482 * tree-streamer-in.c (lto_input_ts_optimization): New function.
2483 (streamer_read_tree_body): Call it.
2484 * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
2486 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2489 * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
2490 * gimplify.c (gimplify_cleanup_point_expr): Save and set
2491 in_cleanup_point_expr before gimplify_stmt call and restore it
2493 (gimplify_target_expr): Don't add {CLOBBER} cleanup if
2494 in_cleanup_point_expr is false.
2496 2012-01-05 Richard Guenther <rguenther@suse.de>
2499 * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
2501 * toplev.c (process_options): Reject combining mudflap and LTO.
2502 * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
2504 2012-01-05 Richard Guenther <rguenther@suse.de>
2506 PR tree-optimization/51760
2507 * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
2509 (bit_value_unop): Handle UNDEFINED operands.
2510 (bit_value_binop): Likewise.
2512 2012-01-05 Georg-Johann Lay <avr@gjlay.de>
2514 * config/avr/avr.c (avr_replace_prefix): Remove.
2515 (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
2516 (avr_asm_function_rodata_section): Ditto.
2517 (avr_asm_select_section): Ditto.
2519 2012-01-05 Marcus Shawcroft <marcus.shawcroft@arm.com>
2521 * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
2524 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2527 * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
2528 calls that have any non-fake successor edges.
2531 * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
2533 2012-01-04 Eric Botcazou <ebotcazou@adacore.com>
2535 PR tree-optimization/51624
2536 * tree-sra.c (build_ref_for_model): When replicating a chain of
2537 COMPONENT_REFs, stop as soon as the offset would become negative.
2539 2012-01-04 Jakub Jelinek <jakub@redhat.com>
2542 * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
2543 in .debug_loc on the floor.
2545 2012-01-04 Andrew Pinski <apinski@cavium.com>
2547 * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
2549 2012-01-04 Andrew Pinski <apinski@cavium.com>
2550 Adam Nemet <anemet@caviumnetworks.com>
2552 * config/mips/mips.md (size): Add SI and DI.
2553 (SIZE): New mode attribute.
2554 (U): New code attribute.
2555 * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
2556 (mips_lbux_<mode>): Delete.
2557 (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
2558 (mips_lhx): Use gen_mips_lhx_extsi.
2559 (mips_lhx_<mode>): Delete.
2561 (mips_l<size>x): New expand.
2562 (mips_lwx_<mode>): Delete.
2563 (mips_l<GPR:size>x_<P:mode>): New pattern.
2564 (*mips_lw<u>x_<P:mode>_ext): Likewise.
2565 * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
2566 * config/mips/mips.c (mips_lx_address_p): New function.
2567 (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
2568 (dsp64): New availability predicate.
2569 (mips_builtins): Add an entry for __builtin_mips_ldx.
2570 * config/mips/mips.h (ISA_HAS_LBX): New define.
2571 (ISA_HAS_LBUX): Likewise.
2572 (ISA_HAS_LHX): Likewise.
2573 (ISA_HAS_LHUX): Likewise.
2574 (ISA_HAS_LWX): Likewise.
2575 (ISA_HAS_LWUX): Likewise.
2576 (ISA_HAS_LDX): Likewise.
2577 * doc/extend.texi (__builtin_mips_ldx): Document.
2579 2012-01-04 Tristan Gingold <gingold@adacore.com>
2581 * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
2582 when long pointers are used.
2583 * config.build (*-*-*vms*): Handle all OpenVMS targets.
2584 (alpha64-dec-*vms*, alpha*-dec-*vms*)
2585 (ia64-hp-*vms*): Remove.
2586 * config/vms/xm-vms64.h: Delete.
2588 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
2591 * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
2593 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
2595 * opts.c (finish_options): Remove duplicate sorry.
2597 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
2600 * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
2603 2012-01-04 Richard Guenther <rguenther@suse.de>
2606 * tree.c (size_low_cst): New function.
2607 * tree.h (size_low_cst): Declare.
2608 * fold-const.c (fold_comparison): Use it to extract the low
2609 part of the POINTER_PLUS_EXPR offset.
2611 2012-01-04 Georg-Johann Lay <avr@gjlay.de>
2613 Fix clearing ZERO_REG
2614 * config/avr/avr.md (cc): Add alternative "ldi".
2615 (movqi_insn): Use it in cc attribute.
2616 * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
2617 (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
2618 (output_reload_insisf): Use ZERO_REG to pre-clear register.
2620 2012-01-04 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2622 * configure: Regenerate.
2624 2012-01-04 Richard Guenther <rguenther@suse.de>
2626 PR tree-optimization/49651
2627 * tree-ssa-structalias.c (type_can_have_subvars): New function.
2628 (var_can_have_subvars): Use it.
2629 (get_constraint_for_1): Only consider subfields if there can be any.
2631 2012-01-03 Jakub Jelinek <jakub@redhat.com>
2634 * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
2635 to its new canonical_cselib_val and the cselib_val was in
2636 first_containing_mem chain, but the canonical_cselib_val was not,
2637 add the latter into the chain.
2638 (cselib_invalidate_mem): Compare canonical_cselib_val of
2639 addr_list chain elt with v.
2642 * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
2643 dwarf2out_undef): Allocate e.info using ggc_strdup instead
2645 (output_macinfo_op): Don't ggc_strdup fd->filename.
2646 (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
2647 then ggc_strdup it. Don't free inc->info or cur->info.
2648 (output_macinfo): Don't free ref->info or file->info.
2650 2012-01-03 Ira Rosen <irar@il.ibm.com>
2652 PR tree-optimization/51269
2653 * tree-vect-loop-manip.c (set_prologue_iterations): Make
2654 first_niters a pointer.
2655 (slpeel_tree_peel_loop_to_edge): Likewise.
2656 (vect_do_peeling_for_loop_bound): Update call to
2657 slpeel_tree_peel_loop_to_edge.
2658 (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
2659 here. Remove it from the parameters list.
2660 (vect_do_peeling_for_alignment): Update calls and compute
2663 2012-01-03 Richard Guenther <rguenther@suse.de>
2665 PR tree-optimization/51070
2666 * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
2667 Properly handle calls.
2669 2012-01-03 Richard Guenther <rguenther@suse.de>
2671 PR tree-optimization/51692
2672 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
2673 the LHS of allocation stmts.
2675 2012-01-03 Olivier Hainque <hainque@adacore.com>
2677 * system.h: Prior to #define, #undef fopen and freopen unconditionally.
2679 2012-01-03 Olivier Hainque <hainque@adacore.com>
2681 * collect2.c (main): In AIX specific computations for vector
2682 insertions, use CONST_CAST2 to cast from char ** to const char **.
2684 2012-01-03 Richard Guenther <rguenther@suse.de>
2687 * dwarf2out.c (dwarf2out_finish): Always create a DIE for
2688 the context of a limbo DIE when it does not already exist.
2690 2012-01-03 Jakub Jelinek <jakub@redhat.com>
2692 PR tree-optimization/51719
2693 * value-prof.c (gimple_ic): When indirect call isn't noreturn,
2694 but direct call is, clear direct call's lhs and don't add fallthrough
2695 edge from dcall_bb to join_bb and PHIs.
2697 2012-01-03 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2699 * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
2700 the instructions emitted by the pattern.
2701 ("*TDC_insn_<mode>"): Add comment.
2703 2012-01-03 Richard Guenther <rguenther@suse.de>
2706 * fold-const.c (fold_comparison): Properly canonicalize
2707 tree offset and HOST_WIDE_INT bit position.
2709 2012-01-02 Uros Bizjak <ubizjak@gmail.com>
2711 * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
2712 operands for extzv pattern.
2714 2012-01-02 Jakub Jelinek <jakub@redhat.com>
2717 * cselib.c (add_mem_for_addr): Call canonical_cselib_val
2720 2012-01-02 Sandra Loosemore <sandra@codesourcery.com>
2722 * doc/invoke.texi (-flto and related options): Copy-edit.
2724 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
2726 * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
2728 2012-01-02 Jakub Jelinek <jakub@redhat.com>
2730 * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
2733 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
2735 * expr.h (move_by_pieces_ninsns): Declare.
2736 * expr.c (move_by_pieces_ninsns): Make external.
2737 * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
2738 (mips_store_by_pieces_p): Likewise.
2739 * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
2740 (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
2741 * config/mips/mips.c (mips_move_by_pieces_p): New function.
2742 (mips_store_by_pieces_p): Likewise.
2744 2012-01-02 Jakub Jelinek <jakub@redhat.com>
2746 * passes.c (register_one_dump_file): Free full_name.
2748 * reload1.c (reload): Don't allocate reg_max_ref_width here.
2749 (calculate_elim_costs_all_insns): Free offsets_at and
2750 offsets_known_at at the end and clear the pointers.
2752 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2754 * config/avr/avr.opt (-mbranch-cost): Fix double definition of
2755 this option introduced in r180739.
2757 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2760 * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
2761 (tmake_file target=avr): Add avr/t-multilib.
2763 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
2764 to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
2765 * config/avr/genmultilib.awk: New file.
2766 * config/avr/t-multilib: New auto-generated file.
2767 * config/avr/multilib.h: New auto-generated file.
2768 * config/avr/t-avr (AVR_MCUS): New variable.
2769 (genopt.sh): Use it.
2770 (s-mlib): Depend on t-multilib.
2771 (t-multilib, multilib.h): New dependencies.
2772 (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
2773 (MULTILIB_OPTIONS): Remove.
2774 (MULTILIB_MATCHES): Remove.
2775 (MULTILIB_DIRNAMES): Remove.
2776 (MULTILIB_EXCEPTIONS): Remove:
2777 * config/avr/genopt.sh: Don't use hard coded file name;
2778 pass AVR_MCUS from t-avr instead.
2780 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2782 * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
2784 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2786 Implement light-weight DImode support.
2787 * config/avr/avr-dimode.md: New file.
2788 * config/avr/avr.md: Include it.
2789 (adjust_len): Add plus64, compare64.
2790 (HIDI): Remove code iterator.
2791 (code_stdname): New code attribute.
2792 (rotx, rotsmode): Remove DI.
2793 (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
2795 * config/avr/avr-protos.h (avr_have_dimode): New.
2796 (avr_out_plus64, avr_out_compare64): New.
2797 * config/avr/avr.c (avr_out_compare): Handle DImode.
2798 (avr_have_dimode): New variable definition and initialization.
2799 (avr_out_compare64, avr_out_plus64): New functions.
2800 (avr_out_plus_1): Use simplify_unary_operation to negate xval.
2801 (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
2802 (avr_compare_pattern): Skip DImode comparisons.
2804 2012-01-02 Revital Eres <revital.eres@linaro.org>
2806 * ddg.c (def_has_ccmode_p): New function.
2807 (add_cross_iteration_register_deps,
2808 create_ddg_dep_from_intra_loop_link): Call it.
2810 2012-01-02 Richard Guenther <rguenther@suse.de>
2813 * invoke.texi (fassociative-math): Remove spurious paranthesis.
2815 2012-01-01 Jakub Jelinek <jakub@redhat.com>
2817 * gcc.c (process_command): Update copyright notice dates.
2818 * gcov.c (print_version): Likewise.
2819 * gcov-dump.c (print_version): Likewise.
2820 * mips-tfile.c (main): Likewise.
2821 * mips-tdump.c (main): Likewise.
2823 2012-01-01 Ira Rosen <irar@il.ibm.com>
2825 PR tree-optimization/51704
2826 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
2827 a use is inside the basic block or loop before accessing its vect info.
2829 2012-01-01 Jan Hubicka <jhjh@suse.cz>
2831 PR rtl-optimization/51069
2832 * cfgloopmanip.c (remove_path): Removing path making irreducible
2833 region unconditional makes BB part of the region.
2835 2012-01-01 Jakub Jelinek <jakub@redhat.com>
2837 PR tree-optimization/51683
2838 * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
2839 calls with side-effects.
2840 * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
2842 Copyright (C) 2012 Free Software Foundation, Inc.
2844 Copying and distribution of this file, with or without modification,
2845 are permitted in any medium without royalty provided the copyright
2846 notice and this notice are preserved.