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@@ -853,6 +853,8 @@ FASTOP2W(bts);
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FASTOP2W(btr);
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FASTOP2W(btc);
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+FASTOP2(xadd);
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+
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static u8 test_cc(unsigned int condition, unsigned long flags)
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{
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u8 rc;
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@@ -3861,7 +3863,7 @@ static const struct opcode twobyte_table[256] = {
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F(DstReg | SrcMem | ModRM, em_bsf), F(DstReg | SrcMem | ModRM, em_bsr),
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D(DstReg | SrcMem8 | ModRM | Mov), D(DstReg | SrcMem16 | ModRM | Mov),
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/* 0xC0 - 0xC7 */
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- D2bv(DstMem | SrcReg | ModRM | Lock),
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+ F2bv(DstMem | SrcReg | ModRM | SrcWrite | Lock, em_xadd),
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N, D(DstMem | SrcReg | ModRM | Mov),
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N, N, N, GD(0, &group9),
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/* 0xC8 - 0xCF */
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@@ -4698,12 +4700,6 @@ twobyte_insn:
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ctxt->dst.val = (ctxt->src.bytes == 1) ? (s8) ctxt->src.val :
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(s16) ctxt->src.val;
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break;
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- case 0xc0 ... 0xc1: /* xadd */
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- fastop(ctxt, em_add);
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- /* Write back the register source. */
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- ctxt->src.val = ctxt->dst.orig_val;
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- write_register_operand(&ctxt->src);
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- break;
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case 0xc3: /* movnti */
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ctxt->dst.bytes = ctxt->op_bytes;
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ctxt->dst.val = (ctxt->op_bytes == 4) ? (u32) ctxt->src.val :
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