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KVM: x86 emulator: simplify OpMem64 decode

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Use the same technique as the other OpMem variants, and goto mem_common.

Signed-off-by: Avi Kivity <avi@redhat.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
This commit is contained in:
Avi Kivity 2011-09-13 10:45:48 +03:00
parent 0fe5912884
commit 41ddf9784c
1 changed files with 4 additions and 5 deletions
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9
arch/x86/kvm/emulate.c
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@ -3361,11 +3361,7 @@ static int decode_operand(struct x86_emulate_ctxt *ctxt, struct operand *op,
rc = decode_imm(ctxt, op, 1, false);
break;
case OpMem:
case OpMem64:
if (d == OpMem64)
ctxt->memop.bytes = 8;
else
ctxt->memop.bytes = (ctxt->d & ByteOp) ? 1 : ctxt->op_bytes;
ctxt->memop.bytes = (ctxt->d & ByteOp) ? 1 : ctxt->op_bytes;
mem_common:
*op = ctxt->memop;
ctxt->memopp = op;
@ -3373,6 +3369,9 @@ static int decode_operand(struct x86_emulate_ctxt *ctxt, struct operand *op,
fetch_bit_operand(ctxt);
op->orig_val = op->val;
break;
case OpMem64:
ctxt->memop.bytes = 8;
goto mem_common;
case OpAcc:
op->type = OP_REG;
op->bytes = (ctxt->d & ByteOp) ? 1 : ctxt->op_bytes;