From d50c3f34a2eda5bf5e278c78d32cc9923fd83b82 Mon Sep 17 00:00:00 2001 From: aidanfnv Date: Tue, 1 Jul 2025 00:41:52 -0700 Subject: Add arguments for controlling floating point denormal mode (#7461) * Implement -fp-denorm-mode slangc arg * Split fp-denorm-mode into 3 args for fp16/32/64 * Remove redundant option categories * Use emitInst for multiple of the same OpExecutionMode * Fix formatting * Remove -denorm any * Re-add option categories * emitinst for ftz * Use enums for type text * Remove extra categories again * Add tests for denorm mode * Move denorm mode to post linking * format code (#8) Co-authored-by: slangbot <186143334+slangbot@users.noreply.github.com> * regenerate command line reference (#9) Co-authored-by: slangbot <186143334+slangbot@users.noreply.github.com> * Clean up tests * Fix option text * format code (#10) Co-authored-by: slangbot <186143334+slangbot@users.noreply.github.com> * Add tests for "any" mode * Return "any" enum if option not set * Simplify emission logic * Add support for generic entrypoints * Move denorm modes to end of CompilerOptionName enum * format code (#11) Co-authored-by: slangbot <186143334+slangbot@users.noreply.github.com> * Move new enum members to before CountOf * Add not checks to tests, fix generic test, add functionality tests * Rename denorm to fpDenormal * Clean up functional test * Rename denorm test dir * Fix formatting, regenerate cmdline ref * Fold simple tests into functional tests, add more dxil checks * Remove no-op DX tests, make tests more consistent * Disable VK functionality tests that will fail on the CI configs * Fix formatting * Add comments to disabled tests explaining why --------- Co-authored-by: slangbot Co-authored-by: slangbot <186143334+slangbot@users.noreply.github.com> --- include/slang.h | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) (limited to 'include') diff --git a/include/slang.h b/include/slang.h index 0ee9496ef..782c4a082 100644 --- a/include/slang.h +++ b/include/slang.h @@ -736,6 +736,17 @@ typedef uint32_t SlangSizeT; SLANG_FLOATING_POINT_MODE_PRECISE, }; + /*! + @brief Options to control floating-point denormal handling mode for a target. + */ + typedef unsigned int SlangFpDenormalModeIntegral; + enum SlangFpDenormalMode : SlangFpDenormalModeIntegral + { + SLANG_FP_DENORM_MODE_ANY = 0, + SLANG_FP_DENORM_MODE_PRESERVE, + SLANG_FP_DENORM_MODE_FTZ, + }; + /*! @brief Options to control emission of `#line` directives */ @@ -1026,6 +1037,12 @@ typedef uint32_t SlangSizeT; DumpModule, EmitSeparateDebug, // bool + + // Floating point denormal handling modes + DenormalModeFp16, + DenormalModeFp32, + DenormalModeFp64, + CountOf, }; -- cgit v1.2.3