[Bug target/42542] Vectorizer produces incorrect results on max/min of unsigned intergers

["hjl at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>]

------- Comment #12 from hjl at gcc dot gnu dot org  2010-01-04 15:14 -------
Subject: Bug 42542

Author: hjl
Date: Mon Jan  4 15:14:31 2010
New Revision: 155618

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=155618
Log:
Don't convert GTU to GT for V4SI and V2DI

gcc/

2010-01-04  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/42542
        * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
        GTU to GT for V4SI and V2DI.

        * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
        (umin<mode>3): Removed.
        (uminv8hi3): New.
        (uminv4si3): Likewise.

gcc/testsuite/

2010-01-04  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/42542
        * gcc.target/i386/pr42542-1.c: New.
        * gcc.target/i386/pr42542-1a.c: Likewise.
        * gcc.target/i386/pr42542-1b.c: Likewise.
        * gcc.target/i386/pr42542-2.c: Likewise.
        * gcc.target/i386/pr42542-2a.c: Likewise.
        * gcc.target/i386/pr42542-2b.c: Likewise.
        * gcc.target/i386/pr42542-3.c: Likewise.
        * gcc.target/i386/pr42542-3a.c: Likewise.

Added:
    trunk/gcc/testsuite/gcc.target/i386/pr42542-1.c
    trunk/gcc/testsuite/gcc.target/i386/pr42542-1a.c
    trunk/gcc/testsuite/gcc.target/i386/pr42542-1b.c
    trunk/gcc/testsuite/gcc.target/i386/pr42542-2.c
    trunk/gcc/testsuite/gcc.target/i386/pr42542-2a.c
    trunk/gcc/testsuite/gcc.target/i386/pr42542-2b.c
    trunk/gcc/testsuite/gcc.target/i386/pr42542-3.c
    trunk/gcc/testsuite/gcc.target/i386/pr42542-3a.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config/i386/i386.c
    trunk/gcc/config/i386/sse.md
    trunk/gcc/testsuite/ChangeLog


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42542