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KVM: x86 emulator: simplify OpMem64 decode
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>
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@ -3361,11 +3361,7 @@ static int decode_operand(struct x86_emulate_ctxt *ctxt, struct operand *op,
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rc = decode_imm(ctxt, op, 1, false);
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break;
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case OpMem:
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case OpMem64:
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if (d == OpMem64)
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ctxt->memop.bytes = 8;
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else
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ctxt->memop.bytes = (ctxt->d & ByteOp) ? 1 : ctxt->op_bytes;
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ctxt->memop.bytes = (ctxt->d & ByteOp) ? 1 : ctxt->op_bytes;
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mem_common:
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*op = ctxt->memop;
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ctxt->memopp = op;
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@ -3373,6 +3369,9 @@ static int decode_operand(struct x86_emulate_ctxt *ctxt, struct operand *op,
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fetch_bit_operand(ctxt);
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op->orig_val = op->val;
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break;
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case OpMem64:
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ctxt->memop.bytes = 8;
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goto mem_common;
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case OpAcc:
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op->type = OP_REG;
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op->bytes = (ctxt->d & ByteOp) ? 1 : ctxt->op_bytes;
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