Function load32

crates/asm-to-binary/src/pseudo.rs:421–430

Helper to produce the lui+addi sequence for a 32-bit constant

(rd: Reg, val32: i32)

        let lo12_signed = if lo12 >= 0x800 { lo12 - 0x1000 } else { lo12 };
        let hi20 = val32.wrapping_sub(lo12_signed);
        let mut seq = vec![RealInstruction::Lui(Lui::new(rd, hi20))];
        if lo12_signed != 0 {
            seq.push(RealInstruction::Addi(Addi::new(rd, rd, lo12_signed)));
        }
        seq
    }

    let mut seq = Vec::new();

    // Load the high 32 bits into t1 and shift them left by 32.
    seq.append(&mut load32(T1, high32)); // T1 = sign_ext(high32)
    seq.push(RealInstruction::Slli(Slli::new(T1, T1, 32))); // T1 = high32 << 32