Return zero register directly for zero immediate

68bd0f278f0202364ec52f3195d5f59a36c5901e52d6e280d9c2c394924d57fe
Alexis Sellier committed ago 1 parent eace45a7
lib/std/arch/rv64/isel.rad +3 -0
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    match val {
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        case il::Val::Reg(r) => {
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            return getSrcReg(s, r, scratch);
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        },
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        case il::Val::Imm(imm) => {
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            if imm == 0 {
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                return super::ZERO;
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            }
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            emit::loadImm(s.e, scratch, imm);
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            return scratch;
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        },
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        case il::Val::DataSym(name) => {
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            let addr = try lookupDataSym(s, name) catch {