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LibJS/JIT: Add increment instruction
Instead of using `Add` with an immediate of 1 use the `Inc` instruction
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2 changed files with 26 additions and 19 deletions
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@ -742,6 +742,21 @@ struct X86_64Assembler {
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}
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}
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void inc32(Operand op, Optional<Label&> overflow_label)
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{
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if (op.is_register_or_memory()) {
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emit_rex_for_slash(op, REX_W::No);
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emit8(0xff);
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emit_modrm_slash(0, op);
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} else {
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VERIFY_NOT_REACHED();
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}
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if (overflow_label.has_value()) {
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jump_if(Condition::Overflow, *overflow_label);
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}
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}
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void add(Operand dst, Operand src)
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{
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if (dst.is_register_or_memory() && src.type == Operand::Type::Reg) {
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