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(parent: 9377b54) | patch
i386: Emulate MMX maskmovq with SSE2 maskmovdqu
authorH.J. Lu <hongjiu.lu@intel.com>
Wed, 15 May 2019 15:18:41 +0000 (15:18 +0000)
committerH.J. Lu <hjl@gcc.gnu.org>
Wed, 15 May 2019 15:18:41 +0000 (08:18 -0700)
commit55cd237908dcfa48ef12b4f7cd9e41f154139bd2
tree1be858e7acd2a2b26e04013d48dd45250a720fa7tree
parent9377b54a62a4b6424194c3f9d755eb0f84fce726commit | diff
i386: Emulate MMX maskmovq with SSE2 maskmovdqu

Emulate MMX maskmovq with SSE2 maskmovdqu for TARGET_MMX_WITH_SSE by
zero-extending source and mask operands to 128 bits.  Handle unmapped
bits 64:127 at memory address by adjusting source and mask operands
together with memory address.

PR target/89021
* config/i386/xmmintrin.h: Emulate MMX maskmovq with SSE2
maskmovdqu for __MMX_WITH_SSE__.

From-SVN: r271234
gcc/ChangeLog diff | blob | history
gcc/config/i386/xmmintrin.h diff | blob | history