[Bug target/27842] Miscompile of Altivec vec_abs (float) inside loop

[uweigand at gcc dot gnu dot org]

------- Comment #8 from uweigand at gcc dot gnu dot org  2006-06-06 17:05 -------
Subject: Bug 27842

Author: uweigand
Date: Tue Jun  6 17:04:56 2006
New Revision: 114439

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=114439
Log:
        PR target/27842
        * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
        ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
        ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
        V4SImode temporaries and operations instead.

        PR target/27842
        * gcc.dg/vmx/pr27842.c: New test.

Added:
    branches/gcc-4_1-branch/gcc/testsuite/gcc.dg/vmx/pr27842.c
Modified:
    branches/gcc-4_1-branch/gcc/ChangeLog
    branches/gcc-4_1-branch/gcc/config/rs6000/altivec.md
    branches/gcc-4_1-branch/gcc/testsuite/ChangeLog


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=27842