1 2017-01-01 Jan Hubicka <hubicka@ucw.cz>
4 * predict.def (PRED_INDIR_CALL): Set to 86.
6 2017-01-07 Sandra Loosemore <sandra@codesourcery.com>
10 * doc/cppopts.texi: Reformat -d subtable to list the full name
11 of the options. Add cross-reference to the docs for the general
13 * doc/invoke.texi (Developer Options): Add cross-reference to the
14 preprocessor-specific -d option documentation.
16 2017-01-07 Sandra Loosemore <sandra@codesourcery.com>
20 * doc/cpp.texi (Search Path): Rewrite to remove obsolete and
21 redudant material, and reflect new command-line options.
22 (System Headers): Likewise.
24 2017-01-07 Sandra Loosemore <sandra@codesourcery.com>
26 * doc/cppdiropts.texi: Merge documentation of -I, -iquote,
27 -isystem, and -idirafter. Copy-edit.
28 * doc/cppopts.texi: Copy-edit. Remove contradiction about
29 default for -ftrack-macro-expansion. Delete obsolete and
30 badly-formatted implementation details about -fdebug-cpp output.
31 * doc/cppwarnopts.texi: Copy-edit.
33 2017-01-07 David Malcolm <dmalcolm@redhat.com>
36 * input.c (selftest::test_accessing_ordinary_linemaps): Verify
37 that the transition from a max line width >= 1<<10 to narrower
38 lines works correctly.
40 2017-01-07 Alexandre Oliva <aoliva@redhat.com>
42 * doc/options.texi (PerFunction): New.
43 * opt-functions.awk (switch_flags): Map both Optimization and
44 PerFunction to CL_OPTIMIZATION.
45 * opth-gen.awk: Test for PerFunction flag along with
47 * optc-save-gen.awk: Likewise. Introduce var_opt_hash and set
48 it only when the latter is present. Skip those that don't in
49 the hash function generator.
50 * common.opt (fvar-tracking): Mark as PerFunction instead of
52 (fvar-tracking-assignments): Likewise.
53 (fvar-tracking-assignments-toggle): Likewise.
54 (fvar-tracking-uninit): Likewise.
56 2017-01-07 Jakub Jelinek <jakub@redhat.com>
59 * params.def (PARAM_MAX_STORES_TO_MERGE): Add missing space between
62 2017-01-06 Mikael Pettersson <mikpelinux@gmail.com>
65 * config/m68k/m68k.opt (LONG_JUMP_TABLE_OFFSETS): New option.
66 * config/m68k/linux.h (ASM_RETURN_CASE_JUMP): Handle
67 TARGET_LONG_JUMP_TABLE_OFFSETS.
68 * config/m68k/m68kelf.h (ASM_RETURN_CASE_JUMP): Likewise.
69 * config/m68k/netbsd-elf.h (ASM_RETURN_CASE_JUMP): Likewise.
70 * config/m68k/m68k.h (CASE_VECTOR_MODE): Likewise.
71 (ASM_OUTPUT_ADDR_DIFF_ELF): Likewise.
72 * config/m68k/m68k.md (tablejump expander): Likewise.
73 (*tablejump_pcrel_hi): Renamed from unnamed insn, reject
74 TARGET_LONG_JUMP_TABLE_OFFSETS.
75 (*tablejump_pcrel_si): New insn, handle TARGET_LONG_JUMP_TABLE_OFFSETS.
76 * doc/invoke.texi (M68K options): Add -mlong-jump-table-offsets.
78 2017-01-06 Edgar E. Iglesias <edgar.iglesias@xilinx.com>
79 David Holsgrove <david.holsgrove@xilinx.com>
81 * common/config/microblaze/microblaze-common.c
82 (TARGET_EXCEPT_UNWIND_INFO): Remove.
83 * config/microblaze/microblaze-protos.h (microblaze_eh_return):
85 * config/microblaze/microblaze.c (microblaze_must_save_register)
86 (microblaze_expand_epilogue, microblaze_return_addr): Handle
88 (microblaze_eh_return): New function.
89 * config/microblaze/microblaze.h (RETURN_ADDR_OFFSET)
90 (EH_RETURN_DATA_REGNO, MB_EH_STACKADJ_REGNUM)
91 (EH_RETURN_STACKADJ_RTX, ASM_PREFERRED_EH_DATA_FORMAT): New macros.
92 * config/microblaze/microblaze.md (eh_return): New pattern.
94 2017-01-06 Jakub Jelinek <jakub@redhat.com>
96 * system.h (GCC_DIAGNOSTIC_PUSH_IGNORED, GCC_DIAGNOSTIC_POP,
97 GCC_DIAGNOSTIC_STRINGIFY): Define.
99 * read-rtl.c (rtx_reader::read_rtx_code): Avoid -Wsign-compare
102 2017-01-06 Andre Vieira <andre.simoesdiasvieira@arm.com>
104 * config/arm/arm.md (<mcrr>): New.
106 * config/arm/arm.c (arm_arch5te): New.
107 (arm_option_override): Set arm_arch5te.
108 (arm_coproc_builtin_available): Add support for mcrr, mcrr2, mrrc
110 * config/arm/arm-builtins.c (MCRR_QUALIFIERS): Define to...
111 (arm_mcrr_qualifiers): ... this. New.
112 (MRRC_QUALIFIERS): Define to...
113 (arm_mrrc_qualifiers): ... this. New.
114 * config/arm/arm_acle.h (__arm_mcrr, __arm_mcrr2, __arm_mrrc,
116 * config/arm/arm_acle_builtins.def (mcrr, mcrr2, mrrc, mrrc2): New.
117 * config/arm/iterators.md (MCRRI, mcrr, MCRR): New.
118 (MRRCI, mrrc, MRRC): New.
119 * config/arm/unspecs.md (VUNSPEC_MCRR, VUNSPEC_MCRR2, VUNSPEC_MRRC,
122 2017-01-06 Andre Vieira <andre.simoesdiasvieira@arm.com>
124 * config/arm/arm.md (<mcr>): New.
126 * config/arm/arm.c (arm_coproc_builtin_available): Add
127 support for mcr, mrc, mcr2 and mrc2.
128 * config/arm/arm-builtins.c (MCR_QUALIFIERS): Define to...
129 (arm_mcr_qualifiers): ... this. New.
130 (MRC_QUALIFIERS): Define to ...
131 (arm_mrc_qualifiers): ... this. New.
132 (MCR_QUALIFIERS): Define to ...
133 (arm_mcr_qualifiers): ... this. New.
134 * config/arm/arm_acle.h (__arm_mcr, __arm_mrc, __arm_mcr2,
136 * config/arm/arm_acle_builtins.def (mcr, mcr2, mrc, mrc2): New.
137 * config/arm/iterators.md (MCRI, mcr, MCR, MRCI, mrc, MRC): New.
138 * config/arm/unspecs.md (VUNSPEC_MCR, VUNSPEC_MCR2, VUNSPEC_MRC,
141 2017-01-06 Andre Vieira <andre.simoesdiasvieira@arm.com>
143 * config/arm/arm.md (*ldc): New.
147 * config/arm/arm.c (arm_coproc_builtin_available): Add
148 support for ldc,ldcl,stc,stcl,ldc2,ldc2l,stc2 and stc2l.
149 (arm_coproc_ldc_stc_legitimate_address): New.
150 * config/arm/arm-builtins.c (arm_type_qualifiers): Add
151 'qualifier_const_pointer'.
152 (LDC_QUALIFIERS): Define to...
153 (arm_ldc_qualifiers): ... this. New.
154 (STC_QUALIFIERS): Define to...
155 (arm_stc_qualifiers): ... this. New.
156 * config/arm/arm-protos.h
157 (arm_coproc_ldc_stc_legitimate_address): New.
158 * config/arm/arm_acle.h (__arm_ldc, __arm_ldcl, __arm_stc,
159 __arm_stcl, __arm_ldc2, __arm_ldc2l, __arm_stc2, __arm_stc2l): New.
160 * config/arm/arm_acle_builtins.def (ldc, ldc2, ldcl, ldc2l, stc,
161 stc2, stcl, stc2l): New.
162 * config/arm/constraints.md (Uz): New.
163 * config/arm/iterators.md (LDCI, STCI, ldc, stc, LDC STC): New.
164 * config/arm/unspecs.md (VUNSPEC_LDC, VUNSPEC_LDC2, VUNSPEC_LDCL,
165 VUNSPEC_LDC2L, VUNSPEC_STC, VUNSPEC_STC2, VUNSPEC_STCL,
168 2017-01-06 Andre Vieira <andre.simoesdiasvieira@arm.com>
170 * config/arm/arm.md (<cdp>): New.
171 * config/arm/arm.c (neon_const_bounds): Rename this ...
172 (arm_const_bounds): ... this.
173 (arm_coproc_builtin_available): New.
174 * config/arm/arm-builtins.c (SIMD_MAX_BUILTIN_ARGS): Increase.
175 (arm_type_qualifiers): Add 'qualifier_unsigned_immediate'.
176 (CDP_QUALIFIERS): Define to...
177 (arm_cdp_qualifiers): ... this. New.
179 (arm_expand_builtin_args): Add case for 6 arguments.
180 * config/arm/arm-protos.h (neon_const_bounds): Rename this ...
181 (arm_const_bounds): ... this.
182 (arm_coproc_builtin_available): New.
183 * config/arm/arm_acle.h (__arm_cdp): New.
185 * config/arm/arm_acle_builtins.def (cdp): New.
187 * config/arm/iterators.md (CDPI,CDP,cdp): New.
188 * config/arm/neon.md: Rename all 'neon_const_bounds' to
190 * config/arm/types.md (coproc): New.
191 * config/arm/unspecs.md (VUNSPEC_CDP, VUNSPEC_CDP2): New.
192 * gcc/doc/extend.texi (ACLE): Add a mention of Coprocessor intrinsics.
193 * gcc/doc/sourcebuild.texi (arm_coproc1_ok, arm_coproc2_ok,
194 arm_coproc3_ok, arm_coproc4_ok): Document new effective targets.
196 2017-01-06 Andre Vieira <andre.simoesdiasvieira@arm.com>
198 * config/arm/arm-builtins.c (arm_unsigned_binop_qualifiers): New.
199 (UBINOP_QUALIFIERS): New.
201 (acle_builtin_data): New. Change comment.
202 (arm_builtins): Remove ARM_BUILTIN_CRC32B, ARM_BUILTIN_CRC32H,
203 ARM_BUILTIN_CRC32W, ARM_BUILTIN_CRC32CB, ARM_BUILTIN_CRC32CH,
204 ARM_BUILTIN_CRC32CW. Add ARM_BUILTIN_ACLE_BASE and include
205 arm_acle_builtins.def.
206 (ARM_BUILTIN_ACLE_PATTERN_START): Define.
207 (arm_init_acle_builtins): New.
208 (CRC32_BUILTIN): Remove.
209 (bdesc_2arg): Remove entries for crc32b, crc32h, crc32w,
210 crc32cb, crc32ch and crc32cw.
211 (arm_init_crc32_builtins): Remove.
212 (arm_init_builtins): Use arm_init_acle_builtins rather
213 than arm_init_crc32_builtins.
214 (arm_expand_acle_builtin): New.
215 (arm_expand_builtin): Use 'arm_expand_acle_builtin'.
216 * config/arm/arm_acle_builtins.def: New.
218 2017-01-06 Andre Vieira <andre.simoesdiasvieira@arm.com>
220 * config/arm/arm-builtins.c (neon_builtin_datum): Rename to ..
221 (arm_builtin_datum): ... this.
222 (arm_init_neon_builtin): Rename to ...
223 (arm_init_builtin): ... this. Add a new parameters PREFIX
225 (arm_init_neon_builtins): Replace 'arm_init_neon_builtin' with
226 'arm_init_builtin'. Replace type 'neon_builtin_datum' with
228 (arm_init_vfp_builtins): Likewise.
229 (builtin_arg): Rename enum's replacing 'NEON_ARG' with
230 'ARG_BUILTIN' and add a 'ARG_BUILTIN_NEON_MEMORY.
231 (arm_expand_neon_args): Rename to ...
232 (arm_expand_builtin_args): ... this. Rename builtin_arg
233 enum values and differentiate between ARG_BUILTIN_MEMORY
234 and ARG_BUILTIN_NEON_MEMORY.
235 (arm_expand_neon_builtin_1): Rename to ...
236 (arm_expand_builtin_1): ... this. Rename builtin_arg enum
237 values, arm_expand_builtin_args and add bool parameter NEON.
238 (arm_expand_neon_builtin): Use arm_expand_builtin_1.
239 (arm_expand_vfp_builtin): Likewise.
240 (NEON_MAX_BUILTIN_ARGS): Remove, it was unused.
242 2017-01-01 Jan Hubicka <hubicka@ucw.cz>
245 * predict.def (PRED_POLYMORPHIC_CALL): Set to 59.
246 * predict.c (tree_estimate_probability_bb): Reverse direction of
247 polymorphic call predictor.
249 2017-01-06 David Malcolm <dmalcolm@redhat.com>
251 * passes.c (execute_one_pass): Split out pass-skipping logic
253 (determine_pass_name_match): ...this new function and...
254 (should_skip_pass_p): ...this new function.
256 2017-01-06 Nathan Sidwell <nathan@acm.org>
258 * ipa-visibility.c (function_and_variable_visibility): Reformat
259 comments and long lines. Remove extrneous if.
260 * symtab.c (symtab_node::make_decl_local): Fix code format.
261 (symtab_node::set_section_for_node): Fix comment typo.
263 2017-01-06 Martin Liska <mliska@suse.cz>
266 * lra-constraints.c: Rename invariant to lra_invariant.
267 * predict.c (set_even_probabilities): Initialize e to NULL.
269 2017-01-05 Martin Sebor <msebor@redhat.com>
271 PR tree-optimization/78910
272 * gimple-ssa-sprintf.c (tree_digits): Add an argument.
273 (format_integer): Correct off-by-one error in the handling
274 of precision with negative numbers in signed conversions..
276 2017-01-05 Eric Botcazou <ebotcazou@adacore.com>
278 * doc/invoke.texi (C Dialect Options): Adjust -fsso-struct entry.
280 2017-01-05 Jakub Jelinek <jakub@redhat.com>
282 PR tree-optimization/71016
283 * tree-ssa-phiopt.c (tree_ssa_phiopt_worker): Pass cond_stmt to
284 factor_out_conditional_conversion. Formatting fix.
285 (factor_out_conditional_conversion): Add cond_stmt argument.
286 If arg1 is INTEGER_CST, punt if new_arg0 is not any operand of
287 cond_stmt and if arg0_def_stmt is not the only stmt in its bb.
290 2017-01-05 David Malcolm <dmalcolm@redhat.com>
292 * Makefile.in (OBJS): Add read-md.o, read-rtl.o,
293 read-rtl-function.o, and selftest-rtl.o.
294 * config/aarch64/aarch64.c: Include selftest.h and
296 (selftest::aarch64_test_loading_full_dump): New function.
297 (selftest::aarch64_run_selftests): New function.
298 (TARGET_RUN_TARGET_SELFTESTS): Wire it up to
299 selftest::aarch64_run_selftests.
301 (selftest::ix86_test_loading_dump_fragment_1): New function.
302 (selftest::ix86_test_loading_call_insn): New function.
303 (selftest::ix86_test_loading_full_dump): New function.
304 (selftest::ix86_test_loading_unspec): New function.
305 (selftest::ix86_run_selftests): Call the new functions.
306 * emit-rtl.c (maybe_set_max_label_num): New function.
307 * emit-rtl.h (maybe_set_max_label_num): New decl.
308 * function.c (instantiate_decls): Guard call to
309 instantiate_decls_1 with if (DECL_INITIAL (fndecl)).
310 * function-tests.c (selftest::verify_three_block_rtl_cfg): Remove
312 * gensupport.c (gen_reader::gen_reader): Pass "false"
313 for new "compact" param of rtx_reader.
314 * print-rtl.c (rtx_writer::print_rtx_operand): Print "(nil)"
315 rather than an empty string for NULL strings.
316 * read-md.c: Potentially include config.h rather than bconfig.h.
317 Wrap include of errors.h with #ifdef GENERATOR_FILE.
318 (have_error): New global, copied from errors.c.
319 (md_reader::read_name): Rename to...
320 (md_reader::read_name_1): ...this, adding "out_loc" param,
321 and converting "missing name or number" to returning false, rather
323 (md_reader::read_name): Reimplement in terms of read_name_1.
324 (md_reader::read_name_or_nil): New function.
325 (md_reader::read_string): Handle "(nil)" by returning NULL.
326 (md_reader::md_reader): Add new param "compact".
327 (md_reader::read_md_files): Wrap with #ifdef GENERATOR_FILE.
328 (md_reader::read_file): New method.
329 * read-md.h (md_reader::md_reader): Add new param "compact".
330 (md_reader::read_file): New method.
331 (md_reader::is_compact): New accessor.
332 (md_reader::read_name): Convert return type from void to
334 (md_reader::read_name_or_nil): New decl.
335 (md_reader::read_name_1): New decl.
336 (md_reader::m_compact): New field.
337 (noop_reader::noop_reader): Pass "false" for new "compact" param
339 (rtx_reader::rtx_reader): Add new "compact" param.
340 (rtx_reader::read_rtx_operand): Make virtual and convert return
341 type from void to rtx.
342 (rtx_reader::read_until): New decl.
343 (rtx_reader::handle_any_trailing_information): New virtual
345 (rtx_reader::postprocess): New virtual function.
346 (rtx_reader::finalize_string): New virtual function.
347 (rtx_reader::m_in_call_function_usage): New field.
348 (rtx_reader::m_reuse_rtx_by_id): New field.
349 * read-rtl-function.c: New file.
350 * selftest-rtl.c (selftest::assert_rtx_ptr_eq_at): New function.
351 * selftest-rtl.h (ASSERT_RTX_PTR_EQ): New macro.
352 (selftest::verify_three_block_rtl_cfg): New decl.
353 * read-rtl-function.h: New file.
354 * read-rtl.c: Potentially include config.h rather than bconfig.h.
355 For host, include function.h, memmodel.h, and emit-rtl.h.
356 (one_time_initialization): New function.
357 (struct compact_insn_name): New struct.
358 (compact_insn_names): New array.
359 (find_code): Handle insn codes in compact dumps.
360 (apply_subst_iterator): Wrap with #ifdef GENERATOR_FILE.
361 (bind_subst_iter_and_attr): Likewise.
362 (add_condition_to_string): Likewise.
363 (add_condition_to_rtx): Likewise.
364 (apply_attribute_uses): Likewise.
365 (add_current_iterators): Likewise.
366 (apply_iterators): Likewise.
367 (initialize_iterators): Guard usage of apply_subst_iterator with
368 #ifdef GENERATOR_FILE.
369 (read_conditions): Wrap with #ifdef GENERATOR_FILE.
370 (md_reader::read_mapping): Likewise.
371 (add_define_attr_for_define_subst): Likewise.
372 (add_define_subst_attr): Likewise.
373 (read_subst_mapping): Likewise.
374 (check_code_iterator): Likewise.
375 (rtx_reader::read_rtx): Likewise. Move one-time initialization
377 (one_time_initialization): New function.
378 (rtx_reader::read_until): New method.
379 (read_flags): New function.
380 (parse_reg_note_name): New function.
381 (rtx_reader::read_rtx_code): Initialize "iterator" to NULL.
382 Handle reuse_rtx ids.
383 Wrap iterator lookup within #ifdef GENERATOR_FILE.
384 Add parsing support for RTL dumps, mirroring the special-cases in
385 print_rtx, by calling read_flags, reading REG_NOTE names, INSN_UID
386 values, and calling handle_any_trailing_information.
387 (rtx_reader::read_rtx_operand): Convert return type from void
388 to rtx, returning return_rtx. Handle case 'e'. Call
389 finalize_string on XSTR and XTMPL fields.
390 (rtx_reader::read_nested_rtx): Handle dumps in which trailing
391 "(nil)" values were omitted. Call the postprocess vfunc on the
393 (rtx_reader::rtx_reader): Add new "compact" param and pass to base
394 class ctor. Initialize m_in_call_function_usage. Call
395 one_time_initialization.
396 * rtl-tests.c (selftest::test_uncond_jump): Call
397 set_new_first_and_last_insn.
398 * rtl.h (read_rtx): Wrap decl with #ifdef GENERATOR_FILE.
399 * selftest-rtl.c: New file.
400 * selftest-rtl.h (class selftest::rtl_dump_test): New class.
401 (selftest::get_insn_by_uid): New decl.
402 * selftest-run-tests.c (selftest::run_tests): Call
403 read_rtl_function_c_tests.
404 * selftest.h (selftest::read_rtl_function_c_tests): New decl.
405 * tree-dfa.c (ssa_default_def): Return NULL_TREE for rtl function
408 2017-01-05 Uros Bizjak <ubizjak@gmail.com>
410 * config/i386/i386.md (*testqi_ext_3): No need to handle memory
411 operands in a special way. Assert that pos+len <= mode precision.
413 2017-01-05 Jakub Jelinek <jakub@redhat.com>
415 * common.opt (fvect-cost-model): Remove RejectNegative flag, use
416 3 argument Alias with unlimited for the negative form.
417 (fno-vect-cost-model): Removed.
419 2017-01-05 Martin Liska <mliska@suse.cz>
421 * hsa-gen.c (gen_hsa_divmod): New function.
422 (gen_hsa_insn_for_internal_fn_call): Use the function for IFN_DIVMOD.
424 2017-01-05 Martin Liska <mliska@suse.cz>
427 * gcc.c (lookup_compiler): Reject '-' filename for a precompiled
430 2017-01-05 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
432 * config/s390/s390.c (s390_expand_setmem): Unroll the loop for
433 small constant length operands.
435 2017-01-05 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
437 * config/s390/s390.c (s390_expand_setmem): Avoid overlapping bytes
438 between loop iterations.
440 2017-01-05 Martin Liska <mliska@suse.cz>
443 * gimplify.c (gimplify_decl_expr): Compare to
444 asan_poisoned_variables instread of checking flags.
445 (gimplify_target_expr): Likewise.
446 (gimplify_expr): Likewise.
447 (gimplify_function_tree): Conditionally initialize
448 asan_poisoned_variables.
450 2017-01-04 Jeff Law <law@redhat.com>
452 PR tree-optimizatin/78812
453 * rtl.h (contains_mem_rtx_p): Prototype.
454 * ifcvt.c (containts_mem_rtx_p): Move from here to...
455 * rtlanal.c (contains_mem_rtx_p): Here and remove static linkage.
456 * gcse.c (prune_expressions): Use contains_mem_rtx_p to discover
457 and prune MEMs that are not at the toplevel of a SET_SRC rtx. Look
458 through ZERO_EXTEND and SIGN_EXTEND when trying to avoid pruning MEMs.
460 2017-01-04 Alexandre Oliva <aoliva@redhat.com>
462 * input.c (assert_char_at_range): Default-initialize actual_range.
464 2017-01-04 Alexandre Oliva <aoliva@redhat.com>
466 * df-scan.c (df_ref_create_structure): Make regno unsigned,
469 2017-01-04 Alexandre Oliva <aoliva@redhat.com>
471 * cfgexpand.c (expand_gimple_basic_block): Disregard debug
472 insns after final jump in test to emit dummy move.
474 2017-01-04 Alexandre Oliva <aoliva@redhat.com>
476 * gimple-iterator.h (gsi_one_nondebug_before_end_p): New.
477 * tree-eh.c (cleanup_empty_eh): Skip more debug stmts.
479 2017-01-04 Alexandre Oliva <aoliva@redhat.com>
481 * multiple_target.c (create_dispatcher_calls): Init e_next.
482 * tree-ssa-loop-split.c (split_loop): Init border.
483 * tree-vect-loop.c (vect_determine_vectorization_factor): Init
486 2017-01-04 Michael Meissner <meissner@linux.vnet.ibm.com>
491 * config/rs6000/predicates.md (sf_subreg_operand): New predicate.
492 (altivec_register_operand): Do not return true if the operand
493 contains a SUBREG mixing SImode and SFmode.
494 (vsx_register_operand): Likewise.
495 (vsx_reg_sfsubreg_ok): New predicate.
496 (vfloat_operand): Do not return true if the operand contains a
497 SUBREG mixing SImode and SFmode.
498 (vint_operand): Likewise.
499 (vlogical_operand): Likewise.
500 (gpc_reg_operand): Likewise.
501 (int_reg_operand): Likewise.
502 * config/rs6000/rs6000-protos.h (valid_sf_si_move): Add declaration.
503 * config/rs6000/rs6000.c (valid_sf_si_move): New function to
504 determine if a MOVSI or MOVSF operation contains SUBREGs that mix
506 (rs6000_emit_move_si_sf_subreg): New helper function.
507 (rs6000_emit_move): Call rs6000_emit_move_si_sf_subreg to possbily
508 fixup SUBREGs involving SImode and SFmode.
509 * config/rs6000/vsx.md (SFBOOL_*): New constants that are operand
510 numbers for the new peephole2 optimization.
511 (peephole2 for SFmode unions): New peephole2 to optimize cases in
512 the GLIBC math library that do AND/IOR/XOR operations on single
513 precision floating point.
514 * config/rs6000/rs6000.h (TARGET_NO_SF_SUBREG): New internal
515 target macros to say whether we need to avoid SUBREGs mixing
517 (TARGET_ALLOW_SF_SUBREG): Likewise.
518 * config/rs6000/rs6000.md (UNSPEC_SF_FROM_SI): New unspecs.
519 (UNSPEC_SI_FROM_SF): Likewise.
520 (iorxor): Change spacing.
521 (and_ior_xor): New iterator for AND, IOR, and XOR.
522 (movsi_from_sf): New insns for SImode/SFmode SUBREG support.
523 (movdi_from_sf_zero_ext): Likewise.
524 (mov<mode>_hardfloat, FMOVE32 iterator): Use register_operand
525 instead of gpc_reg_operand. Add SImode/SFmode SUBREG support.
526 (movsf_from_si): New insn for SImode/SFmode SUBREG support.
527 (fma<mode>4): Use gpc_reg_operand instead of register_operand.
528 (fms<mode>4): Likewise.
529 (fnma<mode>4): Likewise.
530 (fnms<mode>4): Likewise.
531 (nfma<mode>4): Likewise.
532 (nfms<mode>4): Likewise.
534 2017-01-04 Marek Polacek <polacek@redhat.com>
537 * doc/invoke.texi: Document -Wpointer-compare.
539 2017-01-04 Jakub Jelinek <jakub@redhat.com>
541 * optc-gen.awk: Emit #error for -W*/-f*/-m* Enum without
544 * dwarf2out.c (output_loc_list): Don't throw away 64K+ location
545 descriptions for -gdwarf-5 and emit them as uleb128 instead of
548 2017-01-04 Kelvin Nilsen <kelvin@gcc.gnu.org>
551 * doc/sourcebuild.texi (PowerPC-specific attributes): Add
552 documentation of the powerpc_popcntb_ok attribute.
553 * config/rs6000/rs6000.c (rs6000_option_override_internal): Add
554 code to issue warning messages if a requested CPU configuration is
555 not supported by the binary (assembler and loader) toolchain.
556 (spe_init_builtins): Add two assertions to prevent ICE if attempt is
557 made to define a built-in function that has been disabled.
558 (paired_init_builtins): Add assertion to prevent ICE if attempt is
559 made to define a built-in function that has been disabled.
560 (altivec_init_builtins): Add comment explaining why definition
561 of the DST built-in functions is not preceded by an assertion
562 check. Add assertions to prevent ICE if attempts are made to
563 define an altivec predicate or an abs* built-in function that has
565 (htm_init_builtins): Add comment explaining why definition of the
566 htm built-in functions is not preceded by an assertion check.
568 2017-01-04 Jeff Law <law@redhat.com>
570 PR tree-optimizatin/67955
571 * tree-ssa-alias.c (same_addr_size_stores_p): Check offsets first.
572 Allow any SSA_VAR_P as the base objects. Use integer_zerop. Verify
573 the points-to solution does not include pt_null. Use DECL_PT_UID
576 2017-01-04 Uros Bizjak <ubizjak@gmail.com>
578 * config/i386/i386.md (HI/SImode test with imm to QImode splitters):
579 Use gen_int_mode instead of gen_lopwart for const_int operands.
581 2017-01-04 Jakub Jelinek <jakub@redhat.com>
583 PR tree-optimization/71563
584 * match.pd: Simplify X << Y into X if Y is known to be 0 or
585 out of range value - has low bits known to be zero.
587 2017-01-04 Alan Modra <amodra@gmail.com>
589 * Makefile.in (aclocal_deps): Update and order as per aclocal.m4.
590 * configure: Regenerate.
591 * config.in: Regenerate.
593 2017-01-04 Jakub Jelinek <jakub@redhat.com>
596 * input.c (ebcdic_execution_charset::on_error): Don't use strstr for
597 a substring of the message, but strcmp with the whole message. Ifdef
598 ENABLE_NLS, translate the message first using dgettext.
600 2017-01-03 Jeff Law <law@redhat.com>
602 PR tree-optimizatin/78856
603 * tree-ssa-threadupdate.c: Include tree-vectorizer.h.
604 (mark_threaded_blocks): Remove code to truncate thread paths that
605 cross multiple loop headers. Instead invalidate the cached loop
606 iteration information and handle case of a thread path walking
607 into an irreducible region.
609 2017-01-03 Michael Meissner <meissner@linux.vnet.ibm.com>
612 * config/rs6000/rs6000.c (rs6000_split_signbit): Change some
613 assertions. Add support for doing the signbit if the IEEE 128-bit
614 floating point value is in a GPR.
615 * config/rs6000/rs6000.md (Fsignbit): Delete.
616 (signbit<mode>2_dm): Delete using <Fsignbit> and just use "wa".
617 Update the length attribute if the value is in a GPR.
618 (signbit<mode>2_dm_<su>ext): Add combiner pattern to eliminate
619 the sign or zero extension instruction, since the value is always 0/1.
620 (signbit<mode>2_dm2): Delete using <Fsignbit>.
623 * config/rs6000/vsx.md (vsx_extract_<mode>_store_p9): If we are
624 extracting SImode to a GPR register so that we can generate a
625 store, limit the vector to be in a traditional Altivec register
626 for the vextuwrx instruction.
628 2017-01-03 Ian Lance Taylor <iant@google.com>
630 * godump.c (go_format_type): Treat ENUMERAL_TYPE like INTEGER_TYPE.
632 2017-01-03 Martin Sebor <msebor@redhat.com>
634 PR tree-optimization/78696
635 * gimple-ssa-sprintf.c (format_floating): Correct handling of
636 precision. Use MPFR for %f for greater fidelity. Correct handling
638 (pass_sprintf_length::compute_format_length): Set width and precision
639 specified by asrerisk to void_node for vararg functions.
640 (try_substitute_return_value): Adjust dump output.
642 2017-01-03 David Edelsohn <dje.gcc@gmail.com>
644 * doc/invoke.texi (RS6000 options): LRA is enabled by default.
646 2017-01-03 Eric Botcazou <ebotcazou@adacore.com>
648 * doc/invoke.texi (SPARC options): Document -mlra as the default.
649 * config/sparc/sparc.c (sparc_option_override): Force LRA unless
650 -mlra/-mno-lra was passed to the compiler.
652 2017-01-03 James Cowgill <James.Cowgill@imgtec.com>
654 PR rtl-optimization/65618
655 * emit-rtl.c (try_split): Move initialization of "before" and
656 "after" to just before the call to emit_insn_after_setloc.
658 2017-01-03 Gerald Pfeifer <gerald@pfeifer.com>
660 * doc/md.texi (Standard Names): Remove reference to Java frontend.
662 2017-01-03 Pierre-Marie de Rodat <derodat@adacore.com>
664 * dwarf2out.c (gen_enumeration_type_die): When
665 -gno-strict-dwarf, add a DW_AT_encoding attribute.
667 2017-01-03 Jakub Jelinek <jakub@redhat.com>
669 PR tree-optimization/78965
670 * gimple-ssa-sprintf.c (pass_sprintf_length::compute_format_length):
671 Change first argument from const call_info & to call_info &. For %n
672 set info.nowrite to false.
675 * gimple-ssa-sprintf.c (try_substitute_return_value): Don't change
676 possibly throwing calls.
678 * genmatch.c (dt_node::gen_kids_1): If generic_exprs include SSA_NAME
679 and exprs_len || fns_len, emit the code for SSA_NAME next to the exprs
680 and fns handling, rather than in a separate case SSA_NAME.
682 2017-01-02 Jeff Law <law@redhat.com>
684 * config/darwin-driver.c (darwin_driver_init): Const-correctness
685 fixes for first_period and second_period variables.
687 2017-01-02 Uros Bizjak <ubizjak@gmail.com>
690 * config/i386/i386.md (UNSPEC_NOREX_MEM): New unspec.
691 (*insvqi_1): New insn pattern.
692 (*insvqi_1_mem_rex64): Ditto.
694 (*insvqi_3): Rename from *insvqi.
696 (*extzvqi_mem_rex64): Add UNSPEC_NOREX_MEM tag.
698 2017-01-02 Gerald Pfeifer <gerald@pfeifer.com>
700 * doc/cfg.texi (Edges): Remove reference to Java.
701 (Maintaining the CFG): Ditto.
703 2017-01-01 Jan Hubicka <hubicka@ucw.cz>
706 * symtab.c (symtab_node::binds_to_current_def_p): Fix handling of
709 2017-01-01 Jan Hubicka <hubicka@ucw.cz>
712 * predict.def (PRED_CALL): Update hitrate.
713 (PRED_INDIR_CALL, PRED_POLYMORPHIC_CALL): New predictors.
714 * predict.c (tree_estimate_probability_bb): Split CALL predictor
715 into direct/indirect/polymorphic variants.
717 2017-01-01 Jakub Jelinek <jakub@redhat.com>
719 Update copyright years.
721 * gcc.c (process_command): Update copyright notice dates.
722 * gcov-dump.c (print_version): Ditto.
723 * gcov.c (print_version): Ditto.
724 * gcov-tool.c (print_version): Ditto.
725 * gengtype.c (create_file): Ditto.
726 * doc/cpp.texi: Bump @copying's copyright year.
727 * doc/cppinternals.texi: Ditto.
728 * doc/gcc.texi: Ditto.
729 * doc/gccint.texi: Ditto.
730 * doc/gcov.texi: Ditto.
731 * doc/install.texi: Ditto.
732 * doc/invoke.texi: Ditto.
734 Copyright (C) 2017 Free Software Foundation, Inc.
736 Copying and distribution of this file, with or without modification,
737 are permitted in any medium without royalty provided the copyright
738 notice and this notice are preserved.