PR middle-end/50865
PR tree-optimization/69097
* fold-const.h (expr_not_equal_to): New prototype.
* fold-const.c: Include stringpool.h and tree-ssanames.h.
(expr_not_equal_to): New function.
* match.pd (X % -Y is the same as X % Y): Don't optimize
unless X is known not to be equal to minimum or Y is known
not to be equal to -1.
* tree-vrp.c (simplify_div_or_mod_using_ranges): Add GSI argument.
fold TRUNC_MOD_EXPR if the second argument is not a power of two.
(simplify_stmt_using_ranges): Adjust caller.
(vrp_finalize): Call set_value_range on SSA_NAMEs before calling
substitute_and_fold.
* gcc.c-torture/execute/pr50865.c: New test.
* gcc.c-torture/execute/pr69097-1.c: New test.
* gcc.c-torture/execute/pr69097-2.c: New test.
* gcc.dg/pr69097-1.c: New test.
* gcc.dg/pr69097-2.c: New test.
From-SVN: r232188
PR tree-optimization/69167
* gimple-fold.c (replace_stmt_with_simplification): Also punt if
new SSA_NAME_OCCURS_IN_ABNORMAL_PHI SSA_NAMEs appear in operands of
ops[0] comparison.
* gimple-match-head.c (maybe_push_res_to_seq): Likewise.
* gcc.dg/pr69167.c: New test.
From-SVN: r232178
gcc/:
* tree-vect-slp.c (vect_analyze_slp_instance): Cancel permuted SLP
instances that can be handled via vect_load_lanes.
gcc/testsuite/:
* lib/target-supports.exp (check_effective_target_vect_load_lanes): New.
* gcc.dg/vect/slp-perm-1.c: Look for vect_load_lanes instead of SLP
on platforms supporting it.
* gcc.dg/vect/slp-perm-2.c: Likewise.
* gcc.dg/vect/slp-perm-3.c: Likewise.
* gcc.dg/vect/slp-perm-5.c: Likewise.
* gcc.dg/vect/slp-perm-7.c: Likewise.
* gcc.dg/vect/slp-perm-8.c: Likewise.
* gcc.dg/vect/slp-perm-6.c: Look for vect_load_lanes in addition to SLP
on platforms supporting it.
Co-Authored-By: Richard Biener <rguenther@suse.de>
From-SVN: r232174
* symtab.c (symtab_node::equal_address_to): Return -1 instead of 2
if we can't determine address equivalence.
* alias.c (compare_base_decl): Update for changed return value of
symtab_node::equal_address_to.
From-SVN: r232172
PR tree-optimization/69162
* gimplify.c (gimplify_va_arg_expr): Encode original type of
valist argument in another argument.
(gimplify_modify_expr): Adjust for the above change. Cleanup.
* tree-stdarg.c (expand_ifn_va_arg_1): Use new 3rd argument
to determine the va_list type, build a MEM_REF instead of
build_fold_indirect_ref.
* gcc.dg/pr69162.c: New test.
From-SVN: r232156
PR tree-optimization/69172
* gimple-fold.c (gimple_fold_builtin_memory_chk): Pass type to
gimple_build.
* gcc.dg/pr69172.c: New test.
From-SVN: r232155
2016-01-08 Thomas Preud'homme <thomas.preudhomme@arm.com>
gcc/
PR tree-optimization/67781
* tree-ssa-math-opts.c (find_bswap_or_nop): Zero out bytes in cmpxchg
and cmpnop in two steps: first the ones not accessed in original
gimple expression in a endian independent way and then the ones not
accessed in the final result in an endian-specific way.
gcc/testsuite/
PR tree-optimization/67781
* gcc.c-torture/execute/pr67781.c: New file.
From-SVN: r232154
PR tree-optimization/69083
* tree-vect-slp.c (vect_get_constant_vectors): For
VECTOR_BOOLEAN_TYPE_P assert op is fold_convertible_p to vector_type's
element type. If op is fold_convertible_p to vector_type's element
type, use NOP_EXPR instead of VCE.
* gcc.dg/vect/pr69083.c: New test.
From-SVN: r232153
Restrict to linux and gnu targets as not all math.h implementations support the
issignaling macro. Use -fexcess-precision=standard for compiler options. Use fabs()
only when __FLT_EVAL_METHOD__ == 0.
gcc/testsuite/
* gcc.dg/pr61441.c: Restrict to linux and gnu targets.
Use -fexcess-precision=standard for compiler options.
Use fabs() only when __FLT_EVAL_METHOD__ == 0.
From-SVN: r232152
PR fortran/69128
* trans.h (OMPWS_SCALARIZER_BODY): Define.
(OMPWS_NOWAIT): Renumber.
* trans-stmt.c (gfc_trans_where_3): Only set OMPWS_SCALARIZER_WS
if OMPWS_SCALARIZER_BODY is not set already, and set also
OMPWS_SCALARIZER_BODY until the final loop creation.
* trans-expr.c (gfc_trans_assignment_1): Likewise.
* trans-openmp.c (gfc_trans_omp_workshare): Also clear
OMPWS_SCALARIZER_BODY.
* trans-array.c (gfc_trans_scalarized_loop_end): Don't create
OMP_FOR if OMPWS_SCALARIZER_BODY is set.
* gfortran.dg/gomp/pr69128.f90: New test.
From-SVN: r232151
PR c++/69145
* files.c (cpp_included_before): If IS_ADHOC_LOC (location), lookup
real location from the line_table.
* g++.dg/ext/pr69145-1.C: New test.
* g++.dg/ext/pr69145-2-very-long-filename.cc: New file.
* g++.dg/ext/pr69145-2.h: New file.
From-SVN: r232150
If a candidate PRE cannot get the prologue because a block BB is
reachable from it, but PRE does not dominate BB, we try again with the
dominators of PRE. That "try again" needs to again consider BB though,
we aren't done with it.
PR rtl-optimization/67778
PR rtl-optimization/68634
PR rtl-optimization/68909
* shrink-wrap.c (try_shrink_wrapping): Add comment. Don't pop
block from the stack until done with it. Remove a superfluous
bitmap set. Remove a superfluous bitmap test.
From-SVN: r232148
gcc/ChangeLog:
* doc/extend.texi (__atomic Builtins, __sync Builtins): Document
constraint on the type of arguments.
gcc/c-family/ChangeLog:
* c-common.c (sync_resolve_size): Reject first argument when it's
a pointer to _Bool.
gcc/testsuite/ChangeLog:
* gcc.dg/atomic-fetch-bool.c: New test.
* gcc.dg/sync-fetch-bool.c: New test.
From-SVN: r232147
2016-01-07 Andreas Tobler <andreast@gcc.gnu.org>
* config/arm/freebsd.h: Rename SUBTARGET_OVERRIDE_OPTIONS to
SUBTARGET_OVERRIDE_INTERNAL_OPTIONS. Adjust to check
unaligned_access on the gcc_options set.
* config/arm/arm.c (arm_option_override_internal): Use
SUBTARGET_OVERRIDE_INTERNAL_OPTIONS.
From-SVN: r232141
Add round_nimm_scalar_predicate for scalar SSE integer to floating point
conversions since round_nimm_predicate is for vector operand.
round_constraint can't be used on vector SSE patterns since it is mapped
to "vm". The "xBm" constraint must be used in this case.
gcc/
PR target/69171
* config/i386/sse.md (<sse>_sqrt<mode>2<mask_name><round_name>):
Use the "xBm" constraint.
(float<sseintvecmodelower><mode>2<mask_name><round_name):
Likewise.
(sse_cvtsi2ss<round_name>): Use round_nimm_scalar_predicate.
(sse_cvtsi2ssq<round_name>): Likewise.
(sse_cvtss2si<round_name>): Likewise.
(sse_cvtss2siq<round_name>): Likewise.
(sse2_cvtsi2sdq<round_name>): Likewise.
(sse2_cvtsd2si<round_name>): Likewise.
(sse2_cvtsd2siq<round_name>): Likewise.
* config/i386/subst.md (round_nimm_scalar_predicate): New
predicate.
gcc/testsuite/
PR target/69171
* gcc.target/i386/pr69171-1.c: New test.
* gcc.target/i386/pr69171-2.c: Likewise.
* gcc.target/i386/pr69171-3.c: Likewise.
* gcc.target/i386/pr69171-4.c: Likewise.
* gcc.target/i386/pr69171-5.c: Likewise.
* gcc.target/i386/pr69171-6.c: Likewise.
From-SVN: r232126
PR middle-end/67639
* varasm.c (make_decl_rtl): Mark invalid register vars as
DECL_EXTERNAL.
testsuite/
PR middle-end/67639
* c-c++-common/pr67639.c: New test.
From-SVN: r232125
PR tree-optimization/69141
* tree-ssa-pre.c: Include langhooks.h.
(eliminate_dom_walker::before_dom_children): Use
lang_hooks.decl_printable_name instead of
cgraph_node::get ()->name ().
* g++.dg/opt/pr69141.C: New test.
From-SVN: r232123
PR middle-end/68960
* gimple-expr.c (copy_var_decl): If var has DECL_USER_ALIGN set, copy
it and DECL_ALIGN too.
* testsuite/libgomp.c/pr68960.c: New test.
From-SVN: r232122
PR target/69140
* config/i386/i386.c (ix86_expand_prologue): Declare fs.sp_valid
depending on frame_pointer_needed before remaining integer and SSE
registers are saved.
testsuite/ChangeLog:
PR target/69140
* gcc.target/i386/pr69140.c: New test
From-SVN: r232111
gcc/c/ChangeLog:
* c-parser.c (c_parser_unary_expression): For dereferences, build
a combined location before calling build_indirect_ref, so that
error reports cover the full range, manually updating the c_expr
src_range.
gcc/testsuite/ChangeLog:
* gcc.dg/bad-dereference.c: New test case.
From-SVN: r232110
The all-multi target may be built in parallel with the %_.lo
targets which generate make dependencies that are parsed during
the build of all-multi.
This patch forces all-multi to only run after the *_.lo targets
are done.
libatomic:
PR other/67627
* Makefile.am (all-multi): Add dependency.
* Makefile.in: Regenerate.
From-SVN: r232102
