diff options
| author | aidanfnv <aidanf@nvidia.com> | 2025-07-01 00:41:52 -0700 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2025-07-01 07:41:52 +0000 |
| commit | d50c3f34a2eda5bf5e278c78d32cc9923fd83b82 (patch) | |
| tree | 47a1499f4e7375470d1776311e5344b7d20f841b /docs/command-line-slangc-reference.md | |
| parent | 6231a6830880f650e444405b670ed7cc0987184b (diff) | |
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 <ellieh+slangbot@nvidia.com>
Co-authored-by: slangbot <186143334+slangbot@users.noreply.github.com>
Diffstat (limited to 'docs/command-line-slangc-reference.md')
| -rw-r--r-- | docs/command-line-slangc-reference.md | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/docs/command-line-slangc-reference.md b/docs/command-line-slangc-reference.md index 30a0a5e6a..3a0b9acd1 100644 --- a/docs/command-line-slangc-reference.md +++ b/docs/command-line-slangc-reference.md @@ -27,6 +27,7 @@ slangc -help-style markdown -h * [line-directive-mode](#line-directive-mode) * [debug-info-format](#debug-info-format) * [fp-mode](#fp-mode) +* [fp-denormal-mode](#fp-denormal-mode) * [help-style](#help-style) * [optimization-level](#optimization-level) * [debug-level](#debug-level) @@ -396,6 +397,30 @@ Disables generics and specialization pass. Control floating point optimizations +<a id="denorm-mode-fp16"></a> +### -denorm-mode-fp16 + +**-denorm-mode-fp16 <[fp-denormal-mode](#fp-denormal-mode)>** + +Control handling of 16-bit denormal floating point values in SPIR-V (any, preserve, ftz) + + +<a id="denorm-mode-fp32"></a> +### -denorm-mode-fp32 + +**-denorm-mode-fp32 <[fp-denormal-mode](#fp-denormal-mode)>** + +Control handling of 32-bit denormal floating point values in SPIR-V and DXIL (any, preserve, ftz) + + +<a id="denorm-mode-fp64"></a> +### -denorm-mode-fp64 + +**-denorm-mode-fp64 <[fp-denormal-mode](#fp-denormal-mode)>** + +Control handling of 64-bit denormal floating point values in SPIR-V (any, preserve, ftz) + + <a id="g"></a> ### -g @@ -962,6 +987,15 @@ Floating Point Mode * `fast` : Allow optimizations that may change results of floating-point computations. Prefer the fastest version of special functions supported by the target. * `default` : Default floating point mode +<a id="fp-denormal-mode"></a> +## fp-denormal-mode + +Floating Point Denormal Handling Mode + +* `any` : Use any denormal handling mode (default). The mode used is implementation defined. +* `preserve` : Preserve denormal values +* `ftz` : Flush denormals to zero + <a id="help-style"></a> ## help-style |