diff options
| author | Craig Topper <craig.topper@gmail.com> | 2017-01-31 02:09:43 +0000 |
|---|---|---|
| committer | Craig Topper <craig.topper@gmail.com> | 2017-01-31 02:09:43 +0000 |
| commit | f9d901f0ea3fd86381d1850fb049da96083f3f25 (patch) | |
| tree | ae87f80bd8ee3a3c66138a1fb08605d4eeb96099 /llvm/lib/Target | |
| parent | 6d5a8d48fd762153c4f3ba8c0e9f9d35ce84e6d6 (diff) | |
| download | bcm5719-llvm-f9d901f0ea3fd86381d1850fb049da96083f3f25.tar.gz bcm5719-llvm-f9d901f0ea3fd86381d1850fb049da96083f3f25.zip | |
[X86] Use integer broadcast instructions for integer broadcast patterns.
I'm not sure why we were using an FP instruction before and had to have a comment calling attention to it, but not justifying it.
llvm-svn: 293588
Diffstat (limited to 'llvm/lib/Target')
| -rw-r--r-- | llvm/lib/Target/X86/X86InstrSSE.td | 15 |
1 files changed, 5 insertions, 10 deletions
diff --git a/llvm/lib/Target/X86/X86InstrSSE.td b/llvm/lib/Target/X86/X86InstrSSE.td index 922fa69343b..055eb685f71 100644 --- a/llvm/lib/Target/X86/X86InstrSSE.td +++ b/llvm/lib/Target/X86/X86InstrSSE.td @@ -8334,18 +8334,13 @@ let Predicates = [HasAVX2, NoVLX_Or_NoBWI] in { } let Predicates = [HasAVX2, NoVLX] in { def : Pat<(v4i32 (X86VBroadcast GR32:$src)), - (VBROADCASTSSrr (COPY_TO_REGCLASS GR32:$src, VR128))>; + (VPBROADCASTDrr (COPY_TO_REGCLASS GR32:$src, VR128))>; def : Pat<(v8i32 (X86VBroadcast GR32:$src)), - (VBROADCASTSSYrr (COPY_TO_REGCLASS GR32:$src, VR128))>; - def : Pat<(v4i64 (X86VBroadcast GR64:$src)), - (VBROADCASTSDYrr (COPY_TO_REGCLASS GR64:$src, VR128))>; - - // The patterns for VPBROADCASTD are not needed because they would match - // the exact same thing as VBROADCASTSS patterns. - + (VPBROADCASTDYrr (COPY_TO_REGCLASS GR32:$src, VR128))>; def : Pat<(v2i64 (X86VBroadcast GR64:$src)), - (VPBROADCASTQrr (COPY_TO_REGCLASS GR64:$src, VR128))>; - // The v4i64 pattern is not needed because VBROADCASTSDYrr already match. + (VPBROADCASTQrr (COPY_TO_REGCLASS GR64:$src, VR128))>; + def : Pat<(v4i64 (X86VBroadcast GR64:$src)), + (VPBROADCASTQYrr (COPY_TO_REGCLASS GR64:$src, VR128))>; } // AVX1 broadcast patterns |
