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shader: return the first source when both 64-bit min/max inputs are NaN

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This commit is contained in:
nmzik
2026-10-22 00:28:43 +02:00
parent 2d00e13bf3
commit ce54aa8d14
2 changed files with 7 additions and 7 deletions
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src/graphics/shader/recompiler/backend/spirv/spirvEmitterAlu.cpp
+5 -5
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@@ -20,11 +20,11 @@ uint32_t EmitMinMaxF64(EmitterState& state, uint32_t lhs, uint32_t rhs, bool max
result = Select(state, TypeF64(state), equal,
Unary(state, spv::OpBitcast, TypeF64(state), equal_bits), result);
// Non-IEEE mode selects the other operand for NaN, including rhs when both are NaN.
result = Select(state, TypeF64(state), Unary(state, spv::OpIsNan, TypeBool(state), rhs),
lhs, result);
return Select(state, TypeF64(state), Unary(state, spv::OpIsNan, TypeBool(state), lhs),
rhs, result);
// Non-IEEE mode selects the other operand for NaN, and lhs when both are NaN.
result = Select(state, TypeF64(state), Unary(state, spv::OpIsNan, TypeBool(state), lhs),
rhs, result);
return Select(state, TypeF64(state), Unary(state, spv::OpIsNan, TypeBool(state), rhs),
lhs, result);
}
uint32_t EmitMulHigh(EmitterState& state, uint32_t lhs, uint32_t rhs, bool signed_value) {