diff options
Diffstat (limited to 'lib/Target/X86/X86ISelPattern.cpp')
| -rw-r--r-- | lib/Target/X86/X86ISelPattern.cpp | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/lib/Target/X86/X86ISelPattern.cpp b/lib/Target/X86/X86ISelPattern.cpp index 265e38815b..4c093fba3b 100644 --- a/lib/Target/X86/X86ISelPattern.cpp +++ b/lib/Target/X86/X86ISelPattern.cpp @@ -1213,7 +1213,12 @@ unsigned ISel::SelectExpr(SDOperand N) { Tmp2 = SelectExpr(N.getOperand(1)); switch (N.getValueType()) { default: assert(0 && "Cannot add this type!"); - case MVT::i8: assert(0 && "FIXME: MUL i8 not implemented yet!"); + case MVT::i8: + // Must use the MUL instruction, which forces use of AL. + BuildMI(BB, X86::MOV8rr, 1, X86::AL).addReg(Tmp1); + BuildMI(BB, X86::MUL8r, 1).addReg(Tmp2); + BuildMI(BB, X86::MOV8rr, 1, Result).addReg(X86::AL); + return Result; case MVT::i16: Opc = X86::IMUL16rr; break; case MVT::i32: Opc = X86::IMUL32rr; break; case MVT::f32: |