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[Bug target/37169] [4.4 Regression] Inefficent code for _mm_cvtsi64_si128



------- Comment #2 from hjl at gcc dot gnu dot org  2008-08-20 13:23 -------
Subject: Bug 37169

Author: hjl
Date: Wed Aug 20 13:22:30 2008
New Revision: 139289

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=139289
Log:
gcc/

2008-08-20  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/37169
        * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): In
        V2DI mode, for SSE4.1, use movq instead of vector set if the
        second element is zero and inter-unit moves are OK.

gcc/testsuite/

2008-08-20  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/37169
        * i386/sse2-init-v2di-2.c: New.

Added:
    trunk/gcc/testsuite/gcc.target/i386/sse2-init-v2di-2.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config/i386/i386.c
    trunk/gcc/testsuite/ChangeLog


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37169


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