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re PR target/37169 (Inefficent code for _mm_cvtsi64_si128)
authorH.J. Lu <hjl@gcc.gnu.org>
Wed, 20 Aug 2008 13:22:30 +0000 (06:22 -0700)
committerH.J. Lu <hjl@gcc.gnu.org>
Wed, 20 Aug 2008 13:22:30 +0000 (06:22 -0700)
commit89da39ee52cca8ee670f4c9c43384caa62c4e44b
tree58abde3569e15f354222d934ef9100b85e19f4d9tree
parent4fedf870f576c5981624c815c140130c76821f0fcommit | diff
re PR target/37169 (Inefficent code for _mm_cvtsi64_si128)

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.

From-SVN: r139289
gcc/ChangeLog diff | blob | blame | history
gcc/config/i386/i386.c diff | blob | blame | history
gcc/testsuite/ChangeLog diff | blob | blame | history
gcc/testsuite/gcc.target/i386/sse2-init-v2di-2.c [new file with mode: 0644] blob
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