Author: c8ef Date: 2024-11-14T09:28:51+08:00 New Revision: 6e614e11df6a152082b51a1b18332cb8730a4032
URL: https://github.com/llvm/llvm-project/commit/6e614e11df6a152082b51a1b18332cb8730a4032 DIFF: https://github.com/llvm/llvm-project/commit/6e614e11df6a152082b51a1b18332cb8730a4032.diff LOG: [clang][docs] Revise documentation for `__builtin_reduce_(max|min)`. (#114637) The function operation described in the document did not match its actual semantic meaning, this patch resolved the problem. Added: Modified: clang/docs/LanguageExtensions.rst Removed: ################################################################################ diff --git a/clang/docs/LanguageExtensions.rst b/clang/docs/LanguageExtensions.rst index 0998e6b30e229e..ff8e841ee53a2b 100644 --- a/clang/docs/LanguageExtensions.rst +++ b/clang/docs/LanguageExtensions.rst @@ -745,12 +745,10 @@ Let ``VT`` be a vector type and ``ET`` the element type of ``VT``. ======================================= ====================================================================== ================================== Name Operation Supported element types ======================================= ====================================================================== ================================== - ET __builtin_reduce_max(VT a) return x or y, whichever is larger; If exactly one argument is integer and floating point types - a NaN, return the other argument. If both arguments are NaNs, - fmax() return a NaN. - ET __builtin_reduce_min(VT a) return x or y, whichever is smaller; If exactly one argument integer and floating point types - is a NaN, return the other argument. If both arguments are - NaNs, fmax() return a NaN. + ET __builtin_reduce_max(VT a) return the largest element of the vector. The floating point result integer and floating point types + will always be a number unless all elements of the vector are NaN. + ET __builtin_reduce_min(VT a) return the smallest element of the vector. The floating point result integer and floating point types + will always be a number unless all elements of the vector are NaN. ET __builtin_reduce_add(VT a) \+ integer types ET __builtin_reduce_mul(VT a) \* integer types ET __builtin_reduce_and(VT a) & integer types _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
