AlexIndustrial/mesa
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

nir,aco: optimize FP16_OFVL pattern created by vkd3d-proton

Browse Source 
Reviewed-by: Rhys Perry <pendingchaos02@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/35434>
This commit is contained in:
Georg Lehmann
2025-06-10 15:10:02 +02:00
committed by Marge Bot
parent 9e6adcbca0
commit f047a67fba
6 changed files with 34 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/compiler/nir/nir_opcodes.py
+2
View File
@@ -1770,6 +1770,8 @@ opcode("bfdot2_bfadd", 1, tint16, [2, 2, 1], [tint16, tint16, tint16],
unop_numeric_convert("e4m3fn2f", tfloat32, tuint8, "_mesa_e4m3fn_to_float(src0)")
unop_numeric_convert("f2e4m3fn", tuint8, tfloat32, "_mesa_float_to_e4m3fn(src0)")
unop_numeric_convert("f2e4m3fn_sat", tuint8, tfloat32, "_mesa_float_to_e4m3fn_sat(src0)")
# AMD specific conversion that clamps finite values but not inf (GFX12 FP16_OVFL=1 behavior)
unop_numeric_convert("f2e4m3fn_satfn", tuint8, tfloat32, "isinf(src0) ? 0x7f : _mesa_float_to_e4m3fn_sat(src0)")
unop_numeric_convert("e5m22f", tfloat32, tuint8, "_mesa_e5m2_to_float(src0)")
unop_numeric_convert("f2e5m2", tuint8, tfloat32, "_mesa_float_to_e5m2(src0)")