[SPIRV] Preserve NaN, Inf, and signed zeros w/ -Gis #7693
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The `-Gis` flag opts into "strict" IEEE math rules, which include preserving NaN, Inf and signed/unsigned zeros. This change adds the SPIRV SignedZeroInfNanPreserve capability and execution mode when `-Gis` is passed to DXC. ../tools/clang/test/CodeGenSPIRV/SignedZeroInfNanPreserve.hlsl
Keenuts
reviewed
Aug 13, 2025
../tools/clang/test/CodeGenSPIRV/SignedZeroInfNanPreserve.hlsl
Keenuts
approved these changes
Aug 13, 2025
Co-authored-by: Nathan Gauër <[email protected]>
s-perron
approved these changes
Aug 18, 2025
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The
-Gisflag opts into "strict" IEEE math rules, which include preserving NaN, Inf and signed/unsigned zeros. This change adds the SPIRV SignedZeroInfNanPreserve capability and execution mode when-Gisis passed to DXC.