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target-i386: Use gen_nop_modrm for prefetch instructions
Backports commit 26317698ef3be5942c5ee5630997dbc98431c5f6 from qemu
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@ -8154,7 +8154,7 @@ case 0x101:
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case 3: /* prefetchnt0 */
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if (mod == 3)
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goto illegal_op;
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gen_lea_modrm(env, s, modrm);
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gen_nop_modrm(env, s, modrm);
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/* nothing more to do */
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break;
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default: /* nop (multi byte) */
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@ -8686,8 +8686,7 @@ case 0x101:
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mod = (modrm >> 6) & 3;
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if (mod == 3)
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goto illegal_op;
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gen_lea_modrm(env, s, modrm);
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/* ignore for now */
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gen_nop_modrm(env, s, modrm);
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break;
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case 0x1aa: /* rsm */
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gen_svm_check_intercept(s, pc_start, SVM_EXIT_RSM);
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