diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/Target/X86/X86InstrInfo.td | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/lib/Target/X86/X86InstrInfo.td b/lib/Target/X86/X86InstrInfo.td index c278e0921e..2b928727f3 100644 --- a/lib/Target/X86/X86InstrInfo.td +++ b/lib/Target/X86/X86InstrInfo.td @@ -481,9 +481,12 @@ def X86_COND_O : PatLeaf<(i8 13)>; def X86_COND_P : PatLeaf<(i8 14)>; // alt. COND_PE def X86_COND_S : PatLeaf<(i8 15)>; -def i16immSExt8 : ImmLeaf<i16, [{ return Imm == (char)Imm; }]>; -def i32immSExt8 : ImmLeaf<i32, [{ return Imm == (char)Imm; }]>; -def i64immSExt8 : ImmLeaf<i64, [{ return Imm == (char)Imm; }]>; +let FastIselShouldIgnore = 1 in { // FastIsel should ignore all simm8 instrs. + def i16immSExt8 : ImmLeaf<i16, [{ return Imm == (char)Imm; }]>; + def i32immSExt8 : ImmLeaf<i32, [{ return Imm == (char)Imm; }]>; + def i64immSExt8 : ImmLeaf<i64, [{ return Imm == (char)Imm; }]>; +} + def i64immSExt32 : ImmLeaf<i64, [{ return Imm == (int32_t)Imm; }]>; |