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From: "janis at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug target/58172] New: ifcvt test failures for armv8-a
Date: Fri, 16 Aug 2013 02:04:00 -0000
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58172

            Bug ID: 58172
           Summary: ifcvt test failures for armv8-a
           Product: gcc
           Version: 4.9.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: target
          Assignee: unassigned at gcc dot gnu.org
          Reporter: janis at gcc dot gnu.org
                CC: ramana at gcc dot gnu.org
            Target: arm-none-eabi

The following test failures are regressions from GCC 4.8 for arm-none-eabi with
multilib flags that include "-march=armv8-a":

    gcc.target/arm/thumb-ifcvt.c scan-assembler asrne
    gcc.target/arm/thumb-ifcvt.c scan-assembler lslne
    gcc.target/arm/thumb2-cond-cmp-1.c scan-assembler cmpne
    gcc.target/arm/thumb2-cond-cmp-2.c scan-assembler cmpeq
    gcc.target/arm/thumb2-cond-cmp-3.c scan-assembler cmpgt
    gcc.target/arm/thumb2-cond-cmp-4.c scan-assembler cmpne

The failures begin with this patch:

------------------------------------------------------------------------
r197346 | ramana | 2013-04-02 04:25:50 -0700 (Tue, 02 Apr 2013) | 17 lines

Add support for Cortex-A53.

2013-04-02  Ian Caulfield  <ian.caulfield@arm.com>
            Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

        * config/arm/arm-arches.def (armv8-a): Default to cortex-a53.
        * config/arm/t-arm (MD_INCLUDES): Depend on cortex-a53.md.
        * config/arm/cortex-a53.md: New file.
        * config/arm/bpabi.h (BE8_LINK_SPEC): Handle cortex-a53.
        * config/arm/arm.md (generic_sched, generic_vfp): Handle cortex-a53.
        * config/arm/arm.c (arm_issue_rate): Likewise.
        * config/arm/arm-tune.md: Regenerate
        * config/arm/arm-tables.opt: Regenerate.
        * config/arm/arm-cores.def: Add cortex-a53.
------------------------------------------------------------------------

If the tests aren't expected to use conditional instructions for armv8-a then
they should be skipped for use of that flag.