RGBCube/serenity
1
Fork 0
mirror of https://github.com/RGBCube/serenity synced 2025-07-27 14:07:45 +00:00
Code Issues Activity Actions

LibJIT: Emit 8-bit PUSH imm when possible

Browse source
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
Download patch file Download diff file Expand all files Collapse all files

8
Userland/Libraries/LibJIT/Assembler.h
View file

@ -499,12 +499,18 @@ struct Assembler {
emit8(0x49); emit8(0x49);
emit8(0x50 | encode_reg(op.reg)); emit8(0x50 | encode_reg(op.reg));
} else if (op.type == Operand::Type::Imm) { } else if (op.type == Operand::Type::Imm) {
VERIFY(op.fits_in_i32()); if (op.fits_in_i8()) {
emit8(0x6a);
emit8(op.offset_or_immediate);
} else if (op.fits_in_i32()) {
emit8(0x68); emit8(0x68);
emit32(op.offset_or_immediate); emit32(op.offset_or_immediate);
} else { } else {
VERIFY_NOT_REACHED(); VERIFY_NOT_REACHED();
} }
} else {
VERIFY_NOT_REACHED();
}
} }
void pop(Operand op) void pop(Operand op)