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@@ -460,11 +460,23 @@ implementation
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IF_WILLAMETTE = $08000000; { Willamette instructions }
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IF_PRESCOTT = $09000000; { Prescott instructions }
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IF_X86_64 = $0a000000;
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- IF_CYRIX = $0b000000; { Cyrix-specific instruction }
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- IF_AMD = $0c000000; { AMD-specific instruction }
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IF_CENTAUR = $0d000000; { centaur-specific instruction }
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IF_SANDYBRIDGE = $0e000000; { Sandybridge-specific instruction }
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IF_NEC = $0f000000; { NEC V20/V30 instruction }
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+
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+ { the following are not strictly part of the processor level, because
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+ they are never used standalone, but always in combination with a
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+ separate processor level flag. Therefore, they use bits outside of
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+ IF_PLEVEL, otherwise they would mess up the processor level they're
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+ used in combination with.
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+ The following combinations are currently used:
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+ IF_AMD or IF_P6,
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+ IF_CYRIX or IF_486,
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+ IF_CYRIX or IF_PENT,
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+ IF_CYRIX or IF_P6 }
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+ IF_CYRIX = $10000000; { Cyrix-specific instruction }
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+ IF_AMD = $20000000; { AMD-specific instruction }
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+
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{ added flags }
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IF_PRE = $40000000; { it's a prefix instruction }
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IF_PASS2 = $80000000; { if the instruction can change in a second pass }
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