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vkd3d-shader/hlsl: Implement the firstbitlow() intrinsic.

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Petrichor Park
2024-08-13 11:34:23 -05:00
committed by Henri Verbeet
parent e6d840170d
commit e35604dbf0
Notes: Henri Verbeet 2025-09-22 11:46:20 +02:00 
Approved-by: Francisco Casas (@fcasas)
Approved-by: Elizabeth Figura (@zfigura)
Approved-by: Henri Verbeet (@hverbeet)
Merge-Request: https://gitlab.winehq.org/wine/vkd3d/-/merge_requests/965
9 changed files with 135 additions and 4 deletions
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1
configure.ac
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@@ -173,6 +173,7 @@ AS_IF([test "x$with_xcb" != "xno"],
dnl Check for functions
VKD3D_CHECK_FUNC([HAVE_BUILTIN_CLZ], [__builtin_clz], [__builtin_clz(0)])
VKD3D_CHECK_FUNC([HAVE_BUILTIN_CTZ], [__builtin_ctz], [__builtin_ctz(0)])
VKD3D_CHECK_FUNC([HAVE_BUILTIN_POPCOUNT], [__builtin_popcount], [__builtin_popcount(0)])
VKD3D_CHECK_FUNC([HAVE_BUILTIN_ADD_OVERFLOW], [__builtin_add_overflow], [__builtin_add_overflow(0, 0, (int *)0)])
VKD3D_CHECK_FUNC([HAVE_SYNC_ADD_AND_FETCH], [__sync_add_and_fetch], [__sync_add_and_fetch((int *)0, 0)])