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| author | Nadav Rotem <nrotem@apple.com> | 2012-12-27 08:15:45 +0000 |
|---|---|---|
| committer | Nadav Rotem <nrotem@apple.com> | 2012-12-27 08:15:45 +0000 |
| commit | d6fb53adb19ccfbfb1eedec11c899aaa8401d036 (patch) | |
| tree | 5a44210f5aa0c0130845b720b747cabe76301e34 /docs/gcc-loops.png | |
| parent | 3c22a444001ac3f7a89c9888d60aec69352d0e58 (diff) | |
| download | llvm-d6fb53adb19ccfbfb1eedec11c899aaa8401d036.tar.gz llvm-d6fb53adb19ccfbfb1eedec11c899aaa8401d036.tar.bz2 llvm-d6fb53adb19ccfbfb1eedec11c899aaa8401d036.tar.xz | |
On AVX/AVX2 the type v8i1 is legalized to v8i16, which is an XMM sized
register. In most cases we actually compare or select YMM-sized registers
and mixing the two types creates horrible code. This commit optimizes
some of the transition sequences.
PR14657.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171148 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'docs/gcc-loops.png')
0 files changed, 0 insertions, 0 deletions