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LibJIT: Emit 8-bit PUSH imm when possible

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This commit is contained in:
Andreas Kling 2023-10-28 14:38:40 +02:00
parent fff82c5ffe
commit bbde64e0b6
1 changed files with 9 additions and 3 deletions
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12
Userland/Libraries/LibJIT/Assembler.h
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@ -499,9 +499,15 @@ struct Assembler {
emit8(0x49);
emit8(0x50 | encode_reg(op.reg));
} else if (op.type == Operand::Type::Imm) {
VERIFY(op.fits_in_i32());
emit8(0x68);
emit32(op.offset_or_immediate);
if (op.fits_in_i8()) {
emit8(0x6a);
emit8(op.offset_or_immediate);
} else if (op.fits_in_i32()) {
emit8(0x68);
emit32(op.offset_or_immediate);
} else {
VERIFY_NOT_REACHED();
}
} else {
VERIFY_NOT_REACHED();
}