PR 61187 Avoid reading uninitialized memory.

2014-05-25  Janne Blomqvist  <jb@gcc.gnu.org>

Backport from trunk.
PR libfortran/61187
* io/unix.c (raw_close): Check if s->fd is -1.
(fd_to_stream): Check return value of fstat(), handle error.

From-SVN: r210914

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re PR target/61231 (bootstrap comparision failure on powerpc64le-linux-gnu)

PR target/61231
* config/rs6000/rs6000.c (mem_operand_gpr): Handle SImode.
* config/rs6000/rs6000.md (extendsidi2_lfiwax, extendsidi2_nocell):
Use "Y" constraint rather than "m".

From-SVN: r210837

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backport: htm.md (ttest): Use correct shift value to get CR0.

Backport from mainline
2014-05-22  Peter Bergner  <bergner@vnet.ibm.com>

gcc/
* config/rs6000/htm.md (ttest): Use correct shift value to get CR0.

gcc/testsuite/
* gcc.target/powerpc/htm-ttest.c: New test.

From-SVN: r210818

re PR target/61208 (armhf: generated asm code produces "branch out of range" error in gas with -Os)

PR target/61208
* arm.md (arm_cmpdi_unsigned): Fix length calculation for Thumb2.

From-SVN: r210814

BASE-VER: Set to 4.8.4.

2014-05-22  Richard Biener  <rguenther@suse.de>

        * BASE-VER: Set to 4.8.4.
        * DEV-PHASE: Set to prerelease.

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backport: re PR libgcc/60166 (ARM default NAN encoding violates EABI)

Backport from mainline
2014-05-21  Maciej W. Rozycki  <macro@codesourcery.com>

PR libgcc/60166
* config/arm/sfp-machine.h (_FP_NANFRAC_H, _FP_NANFRAC_S)
(_FP_NANFRAC_D, _FP_NANSIGN_Q): Set the quiet bit.

From-SVN: r210670

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backport: re PR target/61193 (ABI incompatibility between POWER and Z HTM builtins and intrinsics)

Backport from mainline
2014-05-15  Peter Bergner  <bergner@vnet.ibm.com>

PR target/61193
* config/rs6000/htmxlintrin.h (_HTM_TBEGIN_STARTED): New define.
(__TM_simple_begin): Use it.
(__TM_begin): Likewise.

From-SVN: r210488

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From-SVN: r210453

sparc-protos.h (sparc_absnegfloat_split_legitimate): Delete.

* config/sparc/sparc-protos.h (sparc_absnegfloat_split_legitimate):
Delete.
* config/sparc/sparc.c (sparc_absnegfloat_split_legitimate): Likewise.
* config/sparc/sparc.md (fptype_ut699): New attribute.
(in_branch_delay): Return false if -mfix-ut699 is specified and
fptype_ut699 is set to single.
(truncdfsf2): Add fptype_ut699 attribute.
(fix_truncdfsi2): Likewise.
(floatsisf2): Change fptype attribute.
(fix_truncsfsi2): Likewise.
(negtf2_notv9): Delete.
(negtf2_v9): Likewise.
(negtf2_hq): New instruction.
(negtf2): New instruction and splitter.
(negdf2_notv9): Rewrite.
(abstf2_notv9): Delete.
(abstf2_hq_v9): Likewise.
(abstf2_v9): Likewise.
(abstf2_hq): New instruction.
(abstf2): New instruction and splitter.
(absdf2_notv9): Rewrite.

From-SVN: r210446

revert: re PR driver/61106 ([4.8/4.9] impliedness of -Wunused-parameter depends on -W option ordering)

gcc/

2014-05-14  Matthias Klose  <doko@ubuntu.com>

Revert:
2014-05-08  Manuel López-Ibáñez  <manu@gcc.gnu.org>
    Matthias Klose  <doko@ubuntu.com>

PR driver/61106
* optc-gen.awk: Fix option handling for -Wunused-parameter.

gcc/testsuite/

2014-05-14  Matthias Klose  <doko@ubuntu.com>

PR driver/61106
* gcc-dg/unused-8a.c: Remove.

From-SVN: r210432

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From-SVN: r210408

sourcebuild.texi: (dfp_hw): Document.

gcc/
* doc/sourcebuild.texi: (dfp_hw): Document.
(p8vector_hw): Likewise.
(powerpc_eabi_ok): Likewise.
(powerpc_elfv2): Likewise.
(powerpc_htm_ok): Likewise.
(ppc_recip_hw): Likewise.
(vsx_hw): Likewise.

gcc/testsuite/
* lib/target-support.exp (check_dfp_hw_available): New function.
(is-effective-target): Check $arg for dfp_hw.
(is-effective-target-keyword): Likewise.
* gcc.target/powerpc/pack03.c: (dg-require-effective-target):
Change target to dfp_hw.

From-SVN: r210406

re PR c++/60708 (An array temporary causes an ICE in gimplify)

PR c++/60708
* call.c (build_array_conv): Call complete_type.

From-SVN: r210384

re PR c++/60713 (ICE in iterative_hash_expr)

PR c++/60713
* typeck2.c (PICFLAG_SIDE_EFFECTS): New.
(picflag_from_initializer): Return it.
(process_init_constructor): Handle it.

From-SVN: r210383

re PR c++/60628 ([c++11] ICE initializing array of auto)

PR c++/60628
* decl.c (create_array_type_for_decl): Complain about array of auto.

From-SVN: r210382

re PR c++/60367 (Default argument object is not getting constructed)

PR c++/60367
* call.c (convert_default_arg): Remove special handling for
CONSTRUCTOR.

From-SVN: r210381

dr195.C: Use -pedantic.

* g++.dg/conversion/dr195.C: Use -pedantic.
* g++.dg/expr/cast2.C: Likewise.

From-SVN: r210380

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backport: re PR target/60991 ([avr] Stack corruption when using 24-bit integers __int24 or __memx pointers in large stack frame)

Backport from mainline
2014-05-12  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>

PR target/60991
* config/avr/avr.c (avr_out_store_psi): Use correct constant
to restore Y.

Backport from mainline
2014-05-12  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>

PR target/60991
* gcc.target/avr/pr60991.c: New testcase.

From-SVN: r210328

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* testsuite/ChangeLog: Fix formatting.

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backport: re PR target/61055 ([avr] wrong test instruction after increment with -O1)

gcc/
Backport from 2014-05-09 trunk r210267
PR target/61055
* config/avr/avr.md (cc): Add new attribute set_vzn.
(addqi3, addqq3, adduqq3, subqi3, subqq3, subuqq3, negqi2) [cc]:
Set cc insn attribute to set_vzn instead of set_zn for alternatives
with INC, DEC or NEG.
* config/avr/avr.c (avr_notice_update_cc): Handle SET_VZN.
(avr_out_plus_1): ADIW sets cc0 to CC_SET_CZN.
INC, DEC and ADD+ADC set cc0 to CC_CLOBBER.

gcc/testsuite/
Backport from 2014-05-09 trunk r210267
PR target/61055
* gcc.target/avr/torture/pr61055.c: New test.

From-SVN: r210269

builtins.c (expand_builtin_setjmp_receiver): Emit a use of the hard frame pointer.

gcc/
* builtins.c (expand_builtin_setjmp_receiver): Emit a use of
the hard frame pointer.  Synchronize commentary with mainline.
* cse.c (cse_insn): Only check for volatile asms.
* cselib.c (cselib_process_insn): Likewise.
* dse.c (scan_insn): Likewise.
* stmt.c (expand_nl_goto_receiver): Emit a use and a clobber of
the hard frame pointer.

From-SVN: r210266

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From-SVN: r210251

re PR driver/61106 ([4.8/4.9] impliedness of -Wunused-parameter depends on -W option ordering)

gcc/

2014-05-08  Manuel López-Ibáñez  <manu@gcc.gnu.org>
            Matthias Klose  <doko@ubuntu.com>

        PR driver/61106
        * optc-gen.awk: Fix option handling for -Wunused-parameter.

gcc/testsuite/

2014-05-08  Matthias Klose  <doko@ubuntu.com>

        PR driver/61106
        * gcc-dg/unused-8a.c: New.
        * gcc-dg/unused-8b.c: Likewise.

From-SVN: r210248

re PR libstdc++/61117 (Manual uses term open source but should say free software)

2014-05-08  Joshua Gay  <jgay@gnu.org>

PR libstdc++/61117
* doc/xml/faq.xml (faq.license.what_restrictions): Replace "open
source" with "free software".
* doc/html/faq.html: Likewise.

From-SVN: r210239

iostream: Fix URL in comment.

* include/std/iostream: Fix URL in comment.
* src/c++98/ios_init.cc: Fix path in comment.

From-SVN: r210238

re PR target/59952 (-march=core-avx2 should not enable RTM)

PR target/59952
* config/i386/i386.c (ix86_option_override_internal): Remove PTA_RTM
from core-avx2.

From-SVN: r210237

backport: re PR target/60609 (Error: value of 256 too large for field of 1 bytes at 68242)

2014-05-08  Charles Baylis  <charles.baylis@linaro.org>

        Backport from mainline
        2014-04-07  Charles Baylis  <charles.baylis@linaro.org>

        PR target/60609
        * config/arm/arm.h (ASM_OUTPUT_CASE_END): Remove.
        (LABEL_ALIGN_AFTER_BARRIER): Align barriers which occur after
        ADDR_DIFF_VEC.

From-SVN: r210226

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From-SVN: r210195

re PR tree-optimization/57864 (ICE in bitmap_set_replace_value, at tree-ssa-pre.c:862)

2014-05-07  Richard Biener  <rguenther@suse.de>

PR tree-optimization/57864
* gcc.dg/torture/pr57864.c: New testcase.

From-SVN: r210145

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From-SVN: r210130

[AArch64] Partial backport from mainline.

* config.gcc (aarch64*-*-*): Use ISA flags from aarch64-arches.def.
Do not define target_cpu_default2 to generic.

From-SVN: r210112

Backport libstdc++/60594 fix from mainline.

PR libstdc++/60594
* include/std/functional (function::_Callable): Exclude own type
from the callable checks.
* testsuite/20_util/function/60594.cc: New.

From-SVN: r210105

backport: re PR tree-optimization/55022 (air.f90 is miscompliled with -m64 -O2 -fgraphite-identity after revision 190619)

2014-05-06  Richard Biener  <rguenther@suse.de>

Backport from mainline
2014-04-14  Richard Biener  <rguenther@suse.de>

PR middle-end/55022
* fold-const.c (negate_expr_p): Don't negate directional rounding
division.
(fold_negate_expr): Likewise.

* gcc.dg/graphite/pr55022.c: New testcase.

From-SVN: r210104

c-opts.c (c_common_post_options): For -freestanding...

2014-05-06  Richard Biener  <rguenther@suse.de>

c-family/
* c-opts.c (c_common_post_options): For -freestanding,
-fno-hosted and -fno-builtin disable pattern recognition
if not enabled explicitely.

From-SVN: r210102

backport: [multiple changes]

2014-05-06  Richard Biener  <rguenther@suse.de>

Backport from mainline
2014-04-17  Richard Biener  <rguenther@suse.de>

PR middle-end/60849
* tree-ssa-propagate.c (valid_gimple_rhs_p): Only allow effective
boolean results for comparisons.

* g++.dg/opt/pr60849.C: New testcase.

2014-04-07  Richard Biener  <rguenther@suse.de>

PR tree-optimization/60766
* tree-ssa-loop-ivopts.c (cand_value_at): Compute in an
unsigned type.
(may_eliminate_iv): Convert cand_value_at result to desired
type.

* gcc.dg/torture/pr60766.c: New testcase.

2014-04-23  Richard Biener  <rguenther@suse.de>

PR tree-optimization/60903
* tree-ssa-loop-im.c (execute_sm_if_changed): Properly apply
IRREDUCIBLE_LOOP loop flags to newly created BBs and edges.

* gcc.dg/torture/pr60903.c: New testcase.

From-SVN: r210099

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From-SVN: r210090

Backport PRs 59817, 60453, 60750, 60836, 60895

2014-05-05  Richard Biener  <rguenther@suse.de>

Backport from mainline
2014-04-23  Richard Biener  <rguenther@suse.de>

PR middle-end/60895
* tree-inline.c (declare_return_variable): Use mark_addressable.

* g++.dg/torture/pr60895.C: New testcase.

2014-04-07  Richard Biener  <rguenther@suse.de>

PR middle-end/60750
* tree-ssa-operands.c (maybe_add_call_vops): Also add VDEFs
for noreturn calls.
* tree-cfgcleanup.c (fixup_noreturn_call): Do not remove VDEFs.

* g++.dg/torture/pr60750.C: New testcase.
* gcc.dg/tree-ssa/20040517-1.c: Adjust.

2014-04-14  Richard Biener  <rguenther@suse.de>

PR tree-optimization/59817
PR tree-optimization/60453
* graphite-scop-detection.c (graphite_can_represent_scev): Complete
recursion to catch all CHRECs in the scalar evolution and restrict
the predicate for the remains appropriately.

* gfortran.dg/graphite/pr59817.f: New testcase.
* gcc.dg/graphite/pr59817-1.c: Likewise.
* gcc.dg/graphite/pr59817-2.c: Likewise.

2014-04-17  Richard Biener  <rguenther@suse.de>

PR tree-optimization/60836
* tree-vect-loop.c (vect_create_epilog_for_reduction): Force
initial PHI args to be gimple values.

* g++.dg/vect/pr60836.cc: New testcase.

From-SVN: r210070