[gcc]

2017-03-20  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

	PR tree-optimization/80054
	* gimple-ssa-strength-reduction.c (all_phi_incrs_profitable): Fail
	the optimization if a PHI or any of its arguments is not dominated
	by the candidate's basis.  Use gphi* rather than gimple* as
	appropriate.
	(replace_profitable_candidates): Clean up a gimple* variable that
	should be a gphi* variable.

[gcc/testsuite]

2017-03-20  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

	PR tree-optimization/80054
	* g++.dg/torture/pr80054.C: New file.

From-SVN: r246290

	* pt.c (tsubst_copy) [VAR_DECL]: Register the dummy instantiation
	before substituting its initializer.

From-SVN: r246289

* doc/extend.texi (attribute constructor): Document present limitation.

From-SVN: r246288

gcc/testsuite/ChangeLog:

2017-03-20  Kelvin Nilsen  <kelvin@gcc.gnu.org>

	PR target/79963
	* gcc.target/powerpc/vsu/vec-any-eq-10.c: Add scan-assembler
	directive to assure selection of proper bit using rlwinm insn.
	* gcc.target/powerpc/vsu/vec-any-eq-14.c: Likewise.
	* gcc.target/powerpc/vsu/vec-any-eq-7.c: Likewise.
	* gcc.target/powerpc/vsu/vec-any-eq-8.c: Likewise.
	* gcc.target/powerpc/vsu/vec-any-eq-9.c: Likewise.

gcc/ChangeLog:

2017-03-20  Kelvin Nilsen  <kelvin@gcc.gnu.org>

	PR target/79963
	* config/rs6000/altivec.h (vec_all_ne): Under __cplusplus__ and
	__POWER9_VECTOR__ #ifdef control, change template definition to
	use Power9-specific built-in function.
	(vec_any_eq): Likewise.
	* config/rs6000/vector.md (vector_ae_v2di_p): Change the flag used
	to control outcomes from this test.
	(vector_ae_<mode>p): For VEC_F modes, likewise.

From-SVN: r246287

	* config/i386/i386.c (ix86_function_regparm): Save an extra
	register for -fsplit-stack with DECL_STATIC_CHAIN.

From-SVN: r246286

2017-03-12 Nicolas Koenig <koenigni@student.ethz.ch>

	PR fortran/39239
	* symbol.c (check_conflict): report an error if an EQUIVALENCE variable is BIND(C).

2017-03-12 Nicolas Koenig <koenigni@student.ethz.ch>

	PR fortran/39239
	* gfortran.dg/equiv_constraint_bind_c.f90: New test.

From-SVN: r246284

On RISC-V we can't store integers in floating-point registers as this is
forbidden by the ISA.  We've always disallowed this, but we were
setting the preferred mode to FP_REGS for some integer modes.  This
caused the LRA to blow up with some hard to read error messages.

This patch removes the prefered mode hook, as the right thing to do here
is nothing.

Thanks to Kito for finding the bug, and mpf for the fix.  See also
<https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79912>.

PR target/79912

From-SVN: r246283

The RISC-V memory model is still in the process of being formally
specified, so for now we're going to be safe and add the I/O bits to
userspace fences because there's no way to know if userspace is touching
memory-mapped I/O regions at compile time.

This will have no impact on existing microarchitecutres because they
treat all fences conservatively.

gcc/ChangeLog:

2017-03-17  Palmer Dabbelt  <palmer@dabbelt.com>

        * config/riscv/riscv.c (riscv_print_operand): Use "fence
        iorw,ow".
        * config/riscv/sync.mc (mem_thread_fence_1): Use "fence
        iorw,iorw".

From-SVN: r246282

The test is coupled to the branch cost model.

gcc/testsuite/ChangeLog:

	* gcc.dg/tree-ssa/ssa-thread-14.c: Adjust target selector.

From-SVN: r246281

2017-03-20  Palmer Dabbelt  <palmer@dabbelt.com>

        * MAINTAINERS (CPU Port Maintainers): Add Kito Cheng, Palmer Dabbelt,
        and Andrew Waterman as the RISC-V maintainers.

From-SVN: r246280

	PR c++/80059 - ICE with noexcept and __transaction_atomic
	* except.c (build_must_not_throw_expr): Call
	instantiate_non_dependent_expr_sfinae.

	* g++.dg/tm/pr80059-2.C: New test.
	* g++.dg/tm/pr80059.C: New test.

Co-Authored-By: Paolo Carlini <paolo.carlini@oracle.com>

From-SVN: r246279

	PR sanitizer/80063
	* asan.c (DEF_SANITIZER_BUILTIN): Use do { } while (0).

From-SVN: r246278

2017-03-20  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/80113
	* graphite-isl-ast-to-gimple.c (copy_loop_phi_nodes): Do not
	allocate extra SSA name for PHI def.
	(add_close_phis_to_outer_loops): Likewise.
	(add_close_phis_to_merge_points): Likewise.
	(copy_loop_close_phi_args): Likewise.
	(copy_cond_phi_nodes): Likewise.

From-SVN: r246277

2017-03-20  Martin Liska  <mliska@suse.cz>

	PR middle-end/79753
	* tree-chkp.c (chkp_build_returned_bound): Do not build
	returned bounds for a LHS that's not a BOUNDED_P type.
2017-03-20  Martin Liska  <mliska@suse.cz>

	PR middle-end/79753
	* gcc.target/i386/mpx/pr79753.c: New test.

From-SVN: r246276

2017-03-20  Martin Liska  <mliska@suse.cz>

	PR target/79769
	PR target/79770
	* tree-chkp.c (chkp_find_bounds_1): Handle REAL_CST,
	COMPLEX_CST and VECTOR_CST.
2017-03-20  Martin Liska  <mliska@suse.cz>

	PR target/79769
	PR target/79770
	* g++.dg/pr79769.C: New test.
	* gcc.target/i386/mpx/pr79770.c: New test.

From-SVN: r246275

The FP load and test instruction should not be used for a comparison
if the target operand is being used afterwards.  It unfortunately
turns SNaNs into QNaNs.

gcc/ChangeLog:

2017-03-20  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

	PR target/78857
	* config/s390/s390.md ("cmp<mode>_ccs_0"): Add a clobber of the
	target operand.  A new splitter adds the clobber statement in case
	the target operand is dead anyway.

gcc/testsuite/ChangeLog:

2017-03-20  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

	PR target/78857
	* gcc.target/s390/load-and-test-fp-1.c: New test.
	* gcc.target/s390/load-and-test-fp-2.c: New test.

From-SVN: r246274

	* decl.c (cp_finish_decomp): Don't pull out the DECL_INITIAL of a
	reference decomposition.

From-SVN: r246273

	* constexpr.c (cxx_eval_call_expression): Set ctx->call while
	expanding trivial constructor.

From-SVN: r246272

From-SVN: r246271

	* doc/install.texi (Specific) <sparc-*-linux*>: No longer refer 
	to age-old versions of binutils and glibc.

From-SVN: r246266

	* doc/contrib.texi (Contributors): Remove duplicate entry for myself.

From-SVN: r246265

From-SVN: r246264

2017-03-18  Nicolas Koenig  <koenigni@gcc.gnu.org>

	* MAINTAINERS: Add self to Write After Approval

From-SVN: r246261

From-SVN: r246260

	* doc/xml/manual/appendix_contributing.xml: Convert link to
	ansi.org to https.
	Update link to the C++ standard at ansi.org.

	* doc/xml/faq.xml: Remove information redundant with the above;
	instead add a reference.

From-SVN: r246259

From-SVN: r246258

	* MAINTAINERS (Write After Approval): Remove entries that are
	already covered under Reviewers.

From-SVN: r246257

2017-03-18  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/79676
	* module.c (mio_symbol_attribute): Remove reset of the flag
	'no_module_procedures'.
	(check_for_module_procedures): New function. Move declaration
	of 'no_module_procedures' to above it.
	(gfc_dump_module): Traverse namespace calling new function.

2017-03-18  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/79676
	* gfortran.dg/submodule_28.f08 : New test.

From-SVN: r246256

2017-03-18  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/71838
	* symbol.c (check_conflict): A dummy procedure in a submodule,
	module procedure is not an error.
	(gfc_add_flavor): Ditto.

2017-03-18  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/71838
	* gfortran.dg/submodule_26.f08 : New test.
	* gfortran.dg/submodule_27.f08 : New test.

From-SVN: r246255

	* doc/install.texi (Specific) <arm-*-eabi>: Remove old
	requirement for binutils 2.13.

From-SVN: r246254

	gcc/
	* combine.c (try_combine): Delete redundant i1 test.  Call
	prev_nonnote_nondebug_insn instead of prev_nonnote_insn.

From-SVN: r246253

From-SVN: r246252

From-SVN: r246249

2017-03-17  Thomas Koenig  <tkoenig@gcc.gnu.org>

	PR libfortran/79956
	* m4/reshape.m4 (reshape_'rtype_ccode`):  Correct use
	of GFC_ASSERT.
	* generated/reshape_c10.c: Regenerated.
	* generated/reshape_c16.c: Regenerated.
	* generated/reshape_c4.c: Regenerated.
	* generated/reshape_c8.c: Regenerated.
	* generated/reshape_i16.c: Regenerated.
	* generated/reshape_i4.c: Regenerated.
	* generated/reshape_i8.c: Regenerated.
	* generated/reshape_r10.c: Regenerated.
	* generated/reshape_r16.c: Regenerated.
	* generated/reshape_r4.c: Regenerated.
	* generated/reshape_r8.c: Regenerated.

From-SVN: r246248

	* src/c++11/codecvt.cc (range): Add non-type template parameter and
	define oerloaded operators for reading and writing code units.
	(range<Elem, false>): Define partial specialization for accessing
	wide characters in potentially unaligned byte ranges.
	(ucs2_span(const char16_t*, const char16_t*, ...))
	(ucs4_span(const char16_t*, const char16_t*, ...)): Change parameters
	to range<const char16_t, false> in order to avoid unaligned reads.
	(__codecvt_utf16_base<char16_t>::do_out)
	(__codecvt_utf16_base<char32_t>::do_out)
	(__codecvt_utf16_base<wchar_t>::do_out): Use range specialization for
	unaligned data to avoid unaligned writes.
	(__codecvt_utf16_base<char16_t>::do_in)
	(__codecvt_utf16_base<char32_t>::do_in)
	(__codecvt_utf16_base<wchar_t>::do_in): Likewise for writes. Return
	error if there are unprocessable trailing bytes.
	(__codecvt_utf16_base<char16_t>::do_length)
	(__codecvt_utf16_base<char32_t>::do_length)
	(__codecvt_utf16_base<wchar_t>::do_length): Pass arguments of type
	range<const char16_t, false> to span functions.
	* testsuite/22_locale/codecvt/codecvt_utf16/misaligned.cc: New test.

From-SVN: r246245

	* init.c (build_aggr_init): Check array initializer.
	(build_vec_init): Check the type of a CONSTRUCTOR.

From-SVN: r246244

A recent mailing list post about install.texi cleanup suggested I take a
look at ours, and there were a few problems:

 * No table of contents entries
 * Not alphabetically ordered
 * Missing a note about requiring binutils-2.28

gcc/ChangeLog:

2017-03-17  Palmer Dabbelt  <palmer@dabbelt.com

        * doc/install.texi (Specific) <riscv32-*-elf>: Add riscv32-*-elf,
        riscv32-*-linux, riscv64-*-elf, riscv64-*-linux to the table of
        contents.
        <riscv64-*-elf>: Re-arrange section
        <riscv32-*-elf>: Add a note about requiring binutils 2.28.
        <riscv32-*-linux>: Likewise.
        <riscv64-*-elf>: Likewise
        <riscv64-*-linux>: Likewise.

From-SVN: r246243

	* decl.c (xref_basetypes): Also check for indirect vbases.

From-SVN: r246242

re PR fortran/79841 (Inconsistent diagnostics in fortran/openmp.c, function check_symbol_not_pointer)

2017-03-17  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR fortran/79841
	* openmp.c (check_symbol_not_pointer): Adjust diagnostics.

From-SVN: r246241

	PR target/80052
	* aarch64.opt(verbose-cost-dump): Fix typo.

From-SVN: r246229