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Diffstat (limited to 'llvm/lib/Target/X86/MCTargetDesc/X86MCCodeEmitter.cpp')
-rw-r--r--llvm/lib/Target/X86/MCTargetDesc/X86MCCodeEmitter.cpp5
1 files changed, 3 insertions, 2 deletions
diff --git a/llvm/lib/Target/X86/MCTargetDesc/X86MCCodeEmitter.cpp b/llvm/lib/Target/X86/MCTargetDesc/X86MCCodeEmitter.cpp
index 24ac52d8e42..f79073ff588 100644
--- a/llvm/lib/Target/X86/MCTargetDesc/X86MCCodeEmitter.cpp
+++ b/llvm/lib/Target/X86/MCTargetDesc/X86MCCodeEmitter.cpp
@@ -1150,8 +1150,9 @@ EncodeInstruction(const MCInst &MI, raw_ostream &OS,
}
// If there is a remaining operand, it must be a trailing immediate. Emit it
- // according to the right size for the instruction.
- if (CurOp != NumOps) {
+ // according to the right size for the instruction. Some instructions
+ // (SSE4a extrq and insertq) have two trailing immediates.
+ while (CurOp != NumOps && NumOps - CurOp <= 2) {
// The last source register of a 4 operand instruction in AVX is encoded
// in bits[7:4] of a immediate byte.
if ((TSFlags >> X86II::VEXShift) & X86II::VEX_I8IMM) {
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