XEmitter: fix L bit in VEX prefix

This commit is contained in:
Tillmann Karras 2015-05-20 09:33:26 +02:00
parent 695a72c24c
commit ad6b522c3b
1 changed files with 2 additions and 2 deletions

View File

@ -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?
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(RvvvvLpp);
}
else
{
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(RXBmmmmm);
emit->Write8(WvvvvLpp);