1 2017-01-05 Eric Botcazou <ebotcazou@adacore.com>
3 * doc/invoke.texi (C Dialect Options): Document it.
5 2017-01-05 Jakub Jelinek <jakub@redhat.com>
7 PR tree-optimization/71016
8 * tree-ssa-phiopt.c (tree_ssa_phiopt_worker): Pass cond_stmt to
9 factor_out_conditional_conversion. Formatting fix.
10 (factor_out_conditional_conversion): Add cond_stmt argument.
11 If arg1 is INTEGER_CST, punt if new_arg0 is not any operand of
12 cond_stmt and if arg0_def_stmt is not the only stmt in its bb.
15 2017-01-05 David Malcolm <dmalcolm@redhat.com>
17 * Makefile.in (OBJS): Add read-md.o, read-rtl.o,
18 read-rtl-function.o, and selftest-rtl.o.
19 * config/aarch64/aarch64.c: Include selftest.h and
21 (selftest::aarch64_test_loading_full_dump): New function.
22 (selftest::aarch64_run_selftests): New function.
23 (TARGET_RUN_TARGET_SELFTESTS): Wire it up to
24 selftest::aarch64_run_selftests.
26 (selftest::ix86_test_loading_dump_fragment_1): New function.
27 (selftest::ix86_test_loading_call_insn): New function.
28 (selftest::ix86_test_loading_full_dump): New function.
29 (selftest::ix86_test_loading_unspec): New function.
30 (selftest::ix86_run_selftests): Call the new functions.
31 * emit-rtl.c (maybe_set_max_label_num): New function.
32 * emit-rtl.h (maybe_set_max_label_num): New decl.
33 * function.c (instantiate_decls): Guard call to
34 instantiate_decls_1 with if (DECL_INITIAL (fndecl)).
35 * function-tests.c (selftest::verify_three_block_rtl_cfg): Remove
37 * gensupport.c (gen_reader::gen_reader): Pass "false"
38 for new "compact" param of rtx_reader.
39 * print-rtl.c (rtx_writer::print_rtx_operand): Print "(nil)"
40 rather than an empty string for NULL strings.
41 * read-md.c: Potentially include config.h rather than bconfig.h.
42 Wrap include of errors.h with #ifdef GENERATOR_FILE.
43 (have_error): New global, copied from errors.c.
44 (md_reader::read_name): Rename to...
45 (md_reader::read_name_1): ...this, adding "out_loc" param,
46 and converting "missing name or number" to returning false, rather
48 (md_reader::read_name): Reimplement in terms of read_name_1.
49 (md_reader::read_name_or_nil): New function.
50 (md_reader::read_string): Handle "(nil)" by returning NULL.
51 (md_reader::md_reader): Add new param "compact".
52 (md_reader::read_md_files): Wrap with #ifdef GENERATOR_FILE.
53 (md_reader::read_file): New method.
54 * read-md.h (md_reader::md_reader): Add new param "compact".
55 (md_reader::read_file): New method.
56 (md_reader::is_compact): New accessor.
57 (md_reader::read_name): Convert return type from void to
59 (md_reader::read_name_or_nil): New decl.
60 (md_reader::read_name_1): New decl.
61 (md_reader::m_compact): New field.
62 (noop_reader::noop_reader): Pass "false" for new "compact" param
64 (rtx_reader::rtx_reader): Add new "compact" param.
65 (rtx_reader::read_rtx_operand): Make virtual and convert return
66 type from void to rtx.
67 (rtx_reader::read_until): New decl.
68 (rtx_reader::handle_any_trailing_information): New virtual
70 (rtx_reader::postprocess): New virtual function.
71 (rtx_reader::finalize_string): New virtual function.
72 (rtx_reader::m_in_call_function_usage): New field.
73 (rtx_reader::m_reuse_rtx_by_id): New field.
74 * read-rtl-function.c: New file.
75 * selftest-rtl.c (selftest::assert_rtx_ptr_eq_at): New function.
76 * selftest-rtl.h (ASSERT_RTX_PTR_EQ): New macro.
77 (selftest::verify_three_block_rtl_cfg): New decl.
78 * read-rtl-function.h: New file.
79 * read-rtl.c: Potentially include config.h rather than bconfig.h.
80 For host, include function.h, memmodel.h, and emit-rtl.h.
81 (one_time_initialization): New function.
82 (struct compact_insn_name): New struct.
83 (compact_insn_names): New array.
84 (find_code): Handle insn codes in compact dumps.
85 (apply_subst_iterator): Wrap with #ifdef GENERATOR_FILE.
86 (bind_subst_iter_and_attr): Likewise.
87 (add_condition_to_string): Likewise.
88 (add_condition_to_rtx): Likewise.
89 (apply_attribute_uses): Likewise.
90 (add_current_iterators): Likewise.
91 (apply_iterators): Likewise.
92 (initialize_iterators): Guard usage of apply_subst_iterator with
93 #ifdef GENERATOR_FILE.
94 (read_conditions): Wrap with #ifdef GENERATOR_FILE.
95 (md_reader::read_mapping): Likewise.
96 (add_define_attr_for_define_subst): Likewise.
97 (add_define_subst_attr): Likewise.
98 (read_subst_mapping): Likewise.
99 (check_code_iterator): Likewise.
100 (rtx_reader::read_rtx): Likewise. Move one-time initialization
102 (one_time_initialization): New function.
103 (rtx_reader::read_until): New method.
104 (read_flags): New function.
105 (parse_reg_note_name): New function.
106 (rtx_reader::read_rtx_code): Initialize "iterator" to NULL.
107 Handle reuse_rtx ids.
108 Wrap iterator lookup within #ifdef GENERATOR_FILE.
109 Add parsing support for RTL dumps, mirroring the special-cases in
110 print_rtx, by calling read_flags, reading REG_NOTE names, INSN_UID
111 values, and calling handle_any_trailing_information.
112 (rtx_reader::read_rtx_operand): Convert return type from void
113 to rtx, returning return_rtx. Handle case 'e'. Call
114 finalize_string on XSTR and XTMPL fields.
115 (rtx_reader::read_nested_rtx): Handle dumps in which trailing
116 "(nil)" values were omitted. Call the postprocess vfunc on the
118 (rtx_reader::rtx_reader): Add new "compact" param and pass to base
119 class ctor. Initialize m_in_call_function_usage. Call
120 one_time_initialization.
121 * rtl-tests.c (selftest::test_uncond_jump): Call
122 set_new_first_and_last_insn.
123 * rtl.h (read_rtx): Wrap decl with #ifdef GENERATOR_FILE.
124 * selftest-rtl.c: New file.
125 * selftest-rtl.h (class selftest::rtl_dump_test): New class.
126 (selftest::get_insn_by_uid): New decl.
127 * selftest-run-tests.c (selftest::run_tests): Call
128 read_rtl_function_c_tests.
129 * selftest.h (selftest::read_rtl_function_c_tests): New decl.
130 * tree-dfa.c (ssa_default_def): Return NULL_TREE for rtl function
133 2017-01-05 Uros Bizjak <ubizjak@gmail.com>
135 * config/i386/i386.md (*testqi_ext_3): No need to handle memory
136 operands in a special way. Assert that pos+len <= mode precision.
138 2017-01-05 Jakub Jelinek <jakub@redhat.com>
140 * common.opt (fvect-cost-model): Remove RejectNegative flag, use
141 3 argument Alias with unlimited for the negative form.
142 (fno-vect-cost-model): Removed.
144 2017-01-05 Martin Liska <mliska@suse.cz>
146 * hsa-gen.c (gen_hsa_divmod): New function.
147 (gen_hsa_insn_for_internal_fn_call): Use the function for IFN_DIVMOD.
149 2017-01-05 Martin Liska <mliska@suse.cz>
152 * gcc.c (lookup_compiler): Reject '-' filename for a precompiled
155 2017-01-05 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
157 * config/s390/s390.c (s390_expand_setmem): Unroll the loop for
158 small constant length operands.
160 2017-01-05 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
162 * config/s390/s390.c (s390_expand_setmem): Avoid overlapping bytes
163 between loop iterations.
165 2017-01-05 Martin Liska <mliska@suse.cz>
168 * gimplify.c (gimplify_decl_expr): Compare to
169 asan_poisoned_variables instread of checking flags.
170 (gimplify_target_expr): Likewise.
171 (gimplify_expr): Likewise.
172 (gimplify_function_tree): Conditionally initialize
173 asan_poisoned_variables.
175 2017-01-04 Jeff Law <law@redhat.com>
177 PR tree-optimizatin/78812
178 * rtl.h (contains_mem_rtx_p): Prototype.
179 * ifcvt.c (containts_mem_rtx_p): Move from here to...
180 * rtlanal.c (contains_mem_rtx_p): Here and remove static linkage.
181 * gcse.c (prune_expressions): Use contains_mem_rtx_p to discover
182 and prune MEMs that are not at the toplevel of a SET_SRC rtx. Look
183 through ZERO_EXTEND and SIGN_EXTEND when trying to avoid pruning MEMs.
185 2017-01-04 Alexandre Oliva <aoliva@redhat.com>
187 * input.c (assert_char_at_range): Default-initialize actual_range.
189 2017-01-04 Alexandre Oliva <aoliva@redhat.com>
191 * df-scan.c (df_ref_create_structure): Make regno unsigned,
194 2017-01-04 Alexandre Oliva <aoliva@redhat.com>
196 * cfgexpand.c (expand_gimple_basic_block): Disregard debug
197 insns after final jump in test to emit dummy move.
199 2017-01-04 Alexandre Oliva <aoliva@redhat.com>
201 * gimple-iterator.h (gsi_one_nondebug_before_end_p): New.
202 * tree-eh.c (cleanup_empty_eh): Skip more debug stmts.
204 2017-01-04 Alexandre Oliva <aoliva@redhat.com>
206 * multiple_target.c (create_dispatcher_calls): Init e_next.
207 * tree-ssa-loop-split.c (split_loop): Init border.
208 * tree-vect-loop.c (vect_determine_vectorization_factor): Init
211 2017-01-04 Michael Meissner <meissner@linux.vnet.ibm.com>
216 * config/rs6000/predicates.md (sf_subreg_operand): New predicate.
217 (altivec_register_operand): Do not return true if the operand
218 contains a SUBREG mixing SImode and SFmode.
219 (vsx_register_operand): Likewise.
220 (vsx_reg_sfsubreg_ok): New predicate.
221 (vfloat_operand): Do not return true if the operand contains a
222 SUBREG mixing SImode and SFmode.
223 (vint_operand): Likewise.
224 (vlogical_operand): Likewise.
225 (gpc_reg_operand): Likewise.
226 (int_reg_operand): Likewise.
227 * config/rs6000/rs6000-protos.h (valid_sf_si_move): Add declaration.
228 * config/rs6000/rs6000.c (valid_sf_si_move): New function to
229 determine if a MOVSI or MOVSF operation contains SUBREGs that mix
231 (rs6000_emit_move_si_sf_subreg): New helper function.
232 (rs6000_emit_move): Call rs6000_emit_move_si_sf_subreg to possbily
233 fixup SUBREGs involving SImode and SFmode.
234 * config/rs6000/vsx.md (SFBOOL_*): New constants that are operand
235 numbers for the new peephole2 optimization.
236 (peephole2 for SFmode unions): New peephole2 to optimize cases in
237 the GLIBC math library that do AND/IOR/XOR operations on single
238 precision floating point.
239 * config/rs6000/rs6000.h (TARGET_NO_SF_SUBREG): New internal
240 target macros to say whether we need to avoid SUBREGs mixing
242 (TARGET_ALLOW_SF_SUBREG): Likewise.
243 * config/rs6000/rs6000.md (UNSPEC_SF_FROM_SI): New unspecs.
244 (UNSPEC_SI_FROM_SF): Likewise.
245 (iorxor): Change spacing.
246 (and_ior_xor): New iterator for AND, IOR, and XOR.
247 (movsi_from_sf): New insns for SImode/SFmode SUBREG support.
248 (movdi_from_sf_zero_ext): Likewise.
249 (mov<mode>_hardfloat, FMOVE32 iterator): Use register_operand
250 instead of gpc_reg_operand. Add SImode/SFmode SUBREG support.
251 (movsf_from_si): New insn for SImode/SFmode SUBREG support.
252 (fma<mode>4): Use gpc_reg_operand instead of register_operand.
253 (fms<mode>4): Likewise.
254 (fnma<mode>4): Likewise.
255 (fnms<mode>4): Likewise.
256 (nfma<mode>4): Likewise.
257 (nfms<mode>4): Likewise.
259 2017-01-04 Marek Polacek <polacek@redhat.com>
262 * doc/invoke.texi: Document -Wpointer-compare.
264 2017-01-04 Jakub Jelinek <jakub@redhat.com>
266 * optc-gen.awk: Emit #error for -W*/-f*/-m* Enum without
269 * dwarf2out.c (output_loc_list): Don't throw away 64K+ location
270 descriptions for -gdwarf-5 and emit them as uleb128 instead of
273 2017-01-04 Kelvin Nilsen <kelvin@gcc.gnu.org>
276 * doc/sourcebuild.texi (PowerPC-specific attributes): Add
277 documentation of the powerpc_popcntb_ok attribute.
278 * config/rs6000/rs6000.c (rs6000_option_override_internal): Add
279 code to issue warning messages if a requested CPU configuration is
280 not supported by the binary (assembler and loader) toolchain.
281 (spe_init_builtins): Add two assertions to prevent ICE if attempt is
282 made to define a built-in function that has been disabled.
283 (paired_init_builtins): Add assertion to prevent ICE if attempt is
284 made to define a built-in function that has been disabled.
285 (altivec_init_builtins): Add comment explaining why definition
286 of the DST built-in functions is not preceded by an assertion
287 check. Add assertions to prevent ICE if attempts are made to
288 define an altivec predicate or an abs* built-in function that has
290 (htm_init_builtins): Add comment explaining why definition of the
291 htm built-in functions is not preceded by an assertion check.
293 2017-01-04 Jeff Law <law@redhat.com>
295 PR tree-optimizatin/67955
296 * tree-ssa-alias.c (same_addr_size_stores_p): Check offsets first.
297 Allow any SSA_VAR_P as the base objects. Use integer_zerop. Verify
298 the points-to solution does not include pt_null. Use DECL_PT_UID
301 2017-01-04 Uros Bizjak <ubizjak@gmail.com>
303 * config/i386/i386.md (HI/SImode test with imm to QImode splitters):
304 Use gen_int_mode instead of gen_lopwart for const_int operands.
306 2017-01-04 Jakub Jelinek <jakub@redhat.com>
308 PR tree-optimization/71563
309 * match.pd: Simplify X << Y into X if Y is known to be 0 or
310 out of range value - has low bits known to be zero.
312 2017-01-04 Alan Modra <amodra@gmail.com>
314 * Makefile.in (aclocal_deps): Update and order as per aclocal.m4.
315 * configure: Regenerate.
316 * config.in: Regenerate.
318 2017-01-04 Jakub Jelinek <jakub@redhat.com>
321 * input.c (ebcdic_execution_charset::on_error): Don't use strstr for
322 a substring of the message, but strcmp with the whole message. Ifdef
323 ENABLE_NLS, translate the message first using dgettext.
325 2017-01-03 Jeff Law <law@redhat.com>
327 PR tree-optimizatin/78856
328 * tree-ssa-threadupdate.c: Include tree-vectorizer.h.
329 (mark_threaded_blocks): Remove code to truncate thread paths that
330 cross multiple loop headers. Instead invalidate the cached loop
331 iteration information and handle case of a thread path walking
332 into an irreducible region.
334 2017-01-03 Michael Meissner <meissner@linux.vnet.ibm.com>
337 * config/rs6000/rs6000.c (rs6000_split_signbit): Change some
338 assertions. Add support for doing the signbit if the IEEE 128-bit
339 floating point value is in a GPR.
340 * config/rs6000/rs6000.md (Fsignbit): Delete.
341 (signbit<mode>2_dm): Delete using <Fsignbit> and just use "wa".
342 Update the length attribute if the value is in a GPR.
343 (signbit<mode>2_dm_<su>ext): Add combiner pattern to eliminate
344 the sign or zero extension instruction, since the value is always 0/1.
345 (signbit<mode>2_dm2): Delete using <Fsignbit>.
348 * config/rs6000/vsx.md (vsx_extract_<mode>_store_p9): If we are
349 extracting SImode to a GPR register so that we can generate a
350 store, limit the vector to be in a traditional Altivec register
351 for the vextuwrx instruction.
353 2017-01-03 Ian Lance Taylor <iant@google.com>
355 * godump.c (go_format_type): Treat ENUMERAL_TYPE like INTEGER_TYPE.
357 2017-01-03 Martin Sebor <msebor@redhat.com>
359 PR tree-optimization/78696
360 * gimple-ssa-sprintf.c (format_floating): Correct handling of
361 precision. Use MPFR for %f for greater fidelity. Correct handling
363 (pass_sprintf_length::compute_format_length): Set width and precision
364 specified by asrerisk to void_node for vararg functions.
365 (try_substitute_return_value): Adjust dump output.
367 2017-01-03 David Edelsohn <dje.gcc@gmail.com>
369 * doc/invoke.texi (RS6000 options): LRA is enabled by default.
371 2017-01-03 Eric Botcazou <ebotcazou@adacore.com>
373 * doc/invoke.texi (SPARC options): Document -mlra as the default.
374 * config/sparc/sparc.c (sparc_option_override): Force LRA unless
375 -mlra/-mno-lra was passed to the compiler.
377 2017-01-03 James Cowgill <James.Cowgill@imgtec.com>
379 PR rtl-optimization/65618
380 * emit-rtl.c (try_split): Move initialization of "before" and
381 "after" to just before the call to emit_insn_after_setloc.
383 2017-01-03 Gerald Pfeifer <gerald@pfeifer.com>
385 * doc/md.texi (Standard Names): Remove reference to Java frontend.
387 2017-01-03 Pierre-Marie de Rodat <derodat@adacore.com>
389 * dwarf2out.c (gen_enumeration_type_die): When
390 -gno-strict-dwarf, add a DW_AT_encoding attribute.
392 2017-01-03 Jakub Jelinek <jakub@redhat.com>
394 PR tree-optimization/78965
395 * gimple-ssa-sprintf.c (pass_sprintf_length::compute_format_length):
396 Change first argument from const call_info & to call_info &. For %n
397 set info.nowrite to false.
400 * gimple-ssa-sprintf.c (try_substitute_return_value): Don't change
401 possibly throwing calls.
403 * genmatch.c (dt_node::gen_kids_1): If generic_exprs include SSA_NAME
404 and exprs_len || fns_len, emit the code for SSA_NAME next to the exprs
405 and fns handling, rather than in a separate case SSA_NAME.
407 2017-01-02 Jeff Law <law@redhat.com>
409 * config/darwin-driver.c (darwin_driver_init): Const-correctness
410 fixes for first_period and second_period variables.
412 2017-01-02 Uros Bizjak <ubizjak@gmail.com>
415 * config/i386/i386.md (UNSPEC_NOREX_MEM): New unspec.
416 (*insvqi_1): New insn pattern.
417 (*insvqi_1_mem_rex64): Ditto.
419 (*insvqi_3): Rename from *insvqi.
421 (*extzvqi_mem_rex64): Add UNSPEC_NOREX_MEM tag.
423 2017-01-02 Gerald Pfeifer <gerald@pfeifer.com>
425 * doc/cfg.texi (Edges): Remove reference to Java.
426 (Maintaining the CFG): Ditto.
428 2017-01-01 Jan Hubicka <hubicka@ucw.cz>
431 * symtab.c (symtab_node::binds_to_current_def_p): Fix handling of
434 2017-01-01 Jan Hubicka <hubicka@ucw.cz>
437 * predict.def (PRED_CALL): Update hitrate.
438 (PRED_INDIR_CALL, PRED_POLYMORPHIC_CALL): New predictors.
439 * predict.c (tree_estimate_probability_bb): Split CALL predictor
440 into direct/indirect/polymorphic variants.
442 2017-01-01 Jakub Jelinek <jakub@redhat.com>
444 Update copyright years.
446 * gcc.c (process_command): Update copyright notice dates.
447 * gcov-dump.c (print_version): Ditto.
448 * gcov.c (print_version): Ditto.
449 * gcov-tool.c (print_version): Ditto.
450 * gengtype.c (create_file): Ditto.
451 * doc/cpp.texi: Bump @copying's copyright year.
452 * doc/cppinternals.texi: Ditto.
453 * doc/gcc.texi: Ditto.
454 * doc/gccint.texi: Ditto.
455 * doc/gcov.texi: Ditto.
456 * doc/install.texi: Ditto.
457 * doc/invoke.texi: Ditto.
459 Copyright (C) 2017 Free Software Foundation, Inc.
461 Copying and distribution of this file, with or without modification,
462 are permitted in any medium without royalty provided the copyright
463 notice and this notice are preserved.