shader: Avoid CPU side undefined behavior on I2F
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@ -114,6 +114,8 @@ void I2F(TranslatorVisitor& v, u64 insn, IR::U32U64 src) {
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IR::U1 is_least;
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if (src_bitsize == 64) {
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is_least = v.ir.IEqual(src, v.ir.Imm64(std::numeric_limits<s64>::min()));
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} else if (src_bitsize == 32) {
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is_least = v.ir.IEqual(src, v.ir.Imm32(std::numeric_limits<s32>::min()));
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} else {
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const IR::U32 least_value{v.ir.Imm32(-(1 << (src_bitsize - 1)))};
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is_least = v.ir.IEqual(src, least_value);
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