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Instead of materializing the quiet bit in a register and ORing the NaN with it, we can perform an arithmetic operation on the NaN. This is a cycle or two slower on some CPUs in cases where generating the quiet bit pipelined well, but this is farcode that rarely runs, so instruction fetch latency is the bigger concern. And for non-SIMD cases, we also save a register. |
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| .. | ||
| Android | ||
| Core | ||
| DSPSpy | ||
| DSPTool | ||
| PCH | ||
| UnitTests | ||
| VSProps | ||
| .clang-format | ||
| CMakeLists.txt | ||
| dolphin-emu.sln | ||