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shader: drop the 64-bit min/max NaN-lhs select the ordered compare already covers

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nmzik
2026-10-22 01:09:09 +02:00
parent 2b37dee2b7
commit a52d1ed4e2
1 changed files with 2 additions and 3 deletions
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src/graphics/shader/recompiler/backend/spirv/spirvEmitterAlu.cpp
+2 -3
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@@ -20,9 +20,8 @@ uint32_t EmitMinMaxF64(EmitterState& state, uint32_t lhs, uint32_t rhs, bool max
result = Select(state, TypeF64(state), equal, result = Select(state, TypeF64(state), equal,
Unary(state, spv::OpBitcast, TypeF64(state), equal_bits), result); Unary(state, spv::OpBitcast, TypeF64(state), equal_bits), result);
// Non-IEEE mode selects the other operand for NaN, and lhs when both are NaN. // Non-IEEE mode selects the other operand for NaN, and lhs when both are NaN. The ordered
result = Select(state, TypeF64(state), Unary(state, spv::OpIsNan, TypeBool(state), lhs), // compares already pick rhs for a NaN lhs.
rhs, result);
return Select(state, TypeF64(state), Unary(state, spv::OpIsNan, TypeBool(state), rhs), return Select(state, TypeF64(state), Unary(state, spv::OpIsNan, TypeBool(state), rhs),
lhs, result); lhs, result);
} }