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[Bug target/45336] pextr{b,w,d}, (worse than) redundant extensions



------- Comment #9 from hjl at gcc dot gnu dot org  2010-08-20 20:58 -------
Subject: Bug 45336

Author: hjl
Date: Fri Aug 20 20:57:56 2010
New Revision: 163421

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=163421
Log:
Cast to unsigned short/char first for _mm_extract_epi16/_mm_extract_epi8.

gcc/

2010-08-20  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/45336
        * config/i386/emmintrin.h (_mm_extract_epi16): Cast to unsigned
        short first.

        * config/i386/smmintrin.h (_mm_extract_epi8): Cast to unsigned
        char first.

gcc/testsuite/

2010-08-20  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/45336
        * gcc.target/i386/pr45336-1.c: New.
        * gcc.target/i386/pr45336-2.c: Likewise.
        * gcc.target/i386/pr45336-3.c: Likewise.
        * gcc.target/i386/pr45336-4.c: Likewise.

Added:
    trunk/gcc/testsuite/gcc.target/i386/pr45336-1.c
    trunk/gcc/testsuite/gcc.target/i386/pr45336-2.c
    trunk/gcc/testsuite/gcc.target/i386/pr45336-3.c
    trunk/gcc/testsuite/gcc.target/i386/pr45336-4.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config/i386/emmintrin.h
    trunk/gcc/config/i386/smmintrin.h
    trunk/gcc/testsuite/ChangeLog


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45336


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