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LibJS/JIT: Fix encoding of x86_64 AND reg, reg

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This commit is contained in:
Andreas Kling 2023-10-23 10:19:52 +02:00
parent e4c4fb09f9
commit aeb9bd3bf1
1 changed files with 3 additions and 3 deletions
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6
Userland/Libraries/LibJS/JIT/Assembler.h
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@ -295,10 +295,10 @@ struct Assembler {
// and dst,src
if (dst.type == Operand::Type::Reg && src.type == Operand::Type::Reg) {
emit8(0x48
| ((to_underlying(dst.reg) >= 8) ? 1 << 2 : 0)
| ((to_underlying(src.reg) >= 8) ? 1 << 0 : 0));
| ((to_underlying(src.reg) >= 8) ? 1 << 2 : 0)
| ((to_underlying(dst.reg) >= 8) ? 1 << 0 : 0));
emit8(0x21);
emit8(0xc0 | (encode_reg(dst.reg) << 3) | encode_reg(src.reg));
emit8(0xc0 | (encode_reg(src.reg) << 3) | encode_reg(dst.reg));
} else if (dst.type == Operand::Type::Reg && src.type == Operand::Type::Imm32) {
emit8(0x48 | ((to_underlying(dst.reg) >= 8) ? 1 << 0 : 0));
emit8(0x81);