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Merge pull request #2423 from Tilka/vex 

XEmitter: fix L bit in VEX prefix
This commit is contained in:
Markus Wick 2015-05-20 11:38:29 +02:00
parent 695a72c24c ad6b522c3b
commit 7b322df530
1 changed files with 2 additions and 2 deletions
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4
Source/Core/Common/x64Emitter.cpp
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@ -175,14 +175,14 @@ void OpArg::WriteVEX(XEmitter* emit, X64Reg regOp1, X64Reg regOp2, int L, int pp
// do we need any VEX fields that only appear in the three-byte form? // do we need any VEX fields that only appear in the three-byte form?
if (X == 1 && B == 1 && W == 0 && mmmmm == 1) if (X == 1 && B == 1 && W == 0 && mmmmm == 1)
{ {
u8 RvvvvLpp = (R << 7) | (vvvv << 3) | (L << 1) | pp; u8 RvvvvLpp = (R << 7) | (vvvv << 3) | (L << 2) | pp;
emit->Write8(0xC5); emit->Write8(0xC5);
emit->Write8(RvvvvLpp); emit->Write8(RvvvvLpp);
} }
else else
{ {
u8 RXBmmmmm = (R << 7) | (X << 6) | (B << 5) | mmmmm; u8 RXBmmmmm = (R << 7) | (X << 6) | (B << 5) | mmmmm;
u8 WvvvvLpp = (W << 7) | (vvvv << 3) | (L << 1) | pp; u8 WvvvvLpp = (W << 7) | (vvvv << 3) | (L << 2) | pp;
emit->Write8(0xC4); emit->Write8(0xC4);
emit->Write8(RXBmmmmm); emit->Write8(RXBmmmmm);
emit->Write8(WvvvvLpp); emit->Write8(WvvvvLpp);