diff options
Diffstat (limited to 'llvm/lib/Target/X86/X86InstrFormats.td')
| -rw-r--r-- | llvm/lib/Target/X86/X86InstrFormats.td | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/llvm/lib/Target/X86/X86InstrFormats.td b/llvm/lib/Target/X86/X86InstrFormats.td index 5e8c8258c2c..c492853adb0 100644 --- a/llvm/lib/Target/X86/X86InstrFormats.td +++ b/llvm/lib/Target/X86/X86InstrFormats.td @@ -228,6 +228,18 @@ class SI<bits<8> o, Format F, dag outs, dag ins, string asm, list<dag> pattern> let AsmString = !if(hasVEXPrefix, !strconcat("v", asm), asm); } +// SIi8 - SSE 1 & 2 scalar instructions +class SIi8<bits<8> o, Format F, dag outs, dag ins, string asm, + list<dag> pattern> + : Ii8<o, F, outs, ins, asm, pattern> { + let Predicates = !if(hasVEXPrefix /* VEX_4V */, + !if(!eq(Prefix, 11 /* XD */), [HasAVX, HasSSE2], [HasAVX, HasSSE1]), + !if(!eq(Prefix, 12 /* XS */), [HasSSE1], [HasSSE2])); + + // AVX instructions have a 'v' prefix in the mnemonic + let AsmString = !if(hasVEXPrefix, !strconcat("v", asm), asm); +} + // PI - SSE 1 & 2 packed instructions class PI<bits<8> o, Format F, dag outs, dag ins, string asm, list<dag> pattern, Domain d> |
