[Bug target/58792] [4.9 Regression] ICE at mode-switching.c:421 when compiling clang lib/AST/MicrosoftCXXABI.cpp

[uros at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58792

--- Comment #5 from uros at gcc dot gnu.org ---
Author: uros
Date: Sat Oct 26 06:02:20 2013
New Revision: 204087

URL: http://gcc.gnu.org/viewcvs?rev=204087&root=gcc&view=rev
Log:
    Backport from mainline
    2013-10-22  Uros Bizjak  <ubizjak@gmail.com>

    PR target/58779
    * config/i386/i386.c (put_condition_code) <case GTU, case LEU>:
    Remove CCCmode handling.
    <case LTU>: Return 'c' suffix for CCCmode.
    <case GEU>: Return 'nc' suffix for CCCmode.
    (ix86_cc_mode) <case GTU, case LEU>: Do not generate overflow checks.
    * config/i386/i386.md (*sub<mode>3_cconly_overflow): Remove.
    (*sub<mode>3_cc_overflow): Ditto.
    (*subsi3_zext_cc_overflow): Ditto.

    Backport from mainline
    2013-10-19  Uros Bizjak  <ubizjak@gmail.com>

    PR target/58792
    * config/i386/i386.c (ix86_function_value_regno): Add DX_REG,
    ST1_REG and XMM1_REG for 32bit and 64bit targets.  Also add DI_REG
    and SI_REG for 64bit SYSV ABI targets.

testsuite/ChangeLog:

    Backport from mainline
    2013-10-22  Uros Bizjak  <ubizjak@gmail.com>

    PR target/58779
    * gcc.target/i386/pr30315.c: Remove MINUSCC, DECCC, MINUSCCONLY
    and MINUSCCZEXT defines. Update scan-assembler dg directive.
    * gcc.dg/torture/pr58779.c: New test.


Added:
    branches/gcc-4_8-branch/gcc/testsuite/gcc.dg/torture/pr58779.c
Modified:
    branches/gcc-4_8-branch/gcc/ChangeLog
    branches/gcc-4_8-branch/gcc/config/i386/i386.c
    branches/gcc-4_8-branch/gcc/config/i386/i386.md
    branches/gcc-4_8-branch/gcc/testsuite/ChangeLog
    branches/gcc-4_8-branch/gcc/testsuite/gcc.target/i386/pr30315.c