SmallVector<unsigned, 8> Match;
uint64_t ErrorInfoMissingFeature = 0;
if (UnsizedMemOp && UnsizedMemOp->isMemUnsized()) {
- static const unsigned MopSizes[] = {8, 16, 32, 64, 80};
+ static const unsigned MopSizes[] = {8, 16, 32, 64, 80, 128, 256, 512};
for (unsigned Size : MopSizes) {
UnsizedMemOp->Mem.Size = Size;
uint64_t ErrorInfoIgnore;
--- /dev/null
+// RUN: llvm-mc -triple x86_64-unknown-unknown -x86-asm-syntax=intel -mcpu=knl %s | FileCheck %s
+
+// Check that we deduce unsized memory operands in the general, unambiguous, case.
+// We can't deduce xword memory operands, because there is no instruction
+// unambiguously accessing 80-bit memory.
+
+// CHECK: movb %al, (%rax)
+mov [rax], al
+
+// CHECK: movw %ax, (%rax)
+mov [rax], ax
+
+// CHECK: movl %eax, (%rax)
+mov [rax], eax
+
+// CHECK: movq %rax, (%rax)
+mov [rax], rax
+
+// CHECK: movdqa %xmm0, (%rax)
+movdqa [rax], xmm0
+
+// CHECK: vmovdqa %ymm0, (%rax)
+vmovdqa [rax], ymm0
+
+// CHECK: vaddps (%rax), %zmm1, %zmm1
+vaddps zmm1, zmm1, [rax]