[Bug tree-optimization/37101] [4.2/4.3 Regression] wrong code: tree vectorizer omits bogus movq/movlps construct

[uros at gcc dot gnu dot org]

------- Comment #7 from uros at gcc dot gnu dot org  2008-08-14 11:58 -------
Subject: Bug 37101

Author: uros
Date: Thu Aug 14 11:57:18 2008
New Revision: 139095

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=139095
Log:
        PR target/37101
        * config/i386/sse.md (vec_concatv2di): Remove movlps alternative.
        (*vec_concatv2di_rex64_sse4_1): Ditto.
        (*vec_concatv2di_rex64_sse): Ditto.

testsuite/ChangeLog:

        PR target/37101
        * gcc.target/i386/pr37101.c: New test.


Added:
    trunk/gcc/testsuite/gcc.target/i386/pr37101.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config/i386/sse.md
    trunk/gcc/testsuite/ChangeLog


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37101