From 7848c13a5cf94e99abb535066fa57f7adb3ff8e5 Mon Sep 17 00:00:00 2001 From: Saleem Abdulrasool Date: Wed, 7 Oct 2015 02:58:02 +0000 Subject: builtins: use MSVC intrinsics with cl Use MSVCRT functions for floating-point builtins unavailable on MSVC. Patch by Tee Hao Wei! git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@249513 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/builtins/int_math.h | 57 ++++++++++++++++++++++++++++++++++++++++++++----- 1 file changed, 52 insertions(+), 5 deletions(-) (limited to 'lib/builtins') diff --git a/lib/builtins/int_math.h b/lib/builtins/int_math.h index d6b4bdae1..26fc23e90 100644 --- a/lib/builtins/int_math.h +++ b/lib/builtins/int_math.h @@ -25,43 +25,90 @@ # define __has_builtin(x) 0 #endif -#define CRT_INFINITY __builtin_huge_valf() +#if defined(_MSC_VER) && !defined(__clang__) +#include +#include +#include +#endif -#define crt_isinf(x) __builtin_isinf((x)) -#define crt_isnan(x) __builtin_isnan((x)) +#if defined(_MSC_VER) && !defined(__clang__) +#define CRT_INFINITY INFINITY +#else +#define CRT_INFINITY __builtin_huge_valf() +#endif +#if defined(_MSC_VER) && !defined(__clang__) +#define crt_isfinite(x) _finite((x)) +#define crt_isinf(x) !_finite((x)) +#define crt_isnan(x) _isnan((x)) +#else /* Define crt_isfinite in terms of the builtin if available, otherwise provide * an alternate version in terms of our other functions. This supports some * versions of GCC which didn't have __builtin_isfinite. */ #if __has_builtin(__builtin_isfinite) # define crt_isfinite(x) __builtin_isfinite((x)) -#else +#elif defined(__GNU__) # define crt_isfinite(x) \ __extension__(({ \ __typeof((x)) x_ = (x); \ !crt_isinf(x_) && !crt_isnan(x_); \ })) -#endif +#else +# error "Do not know how to check for infinity" +#endif /* __has_builtin(__builtin_isfinite) */ +#define crt_isinf(x) __builtin_isinf((x)) +#define crt_isnan(x) __builtin_isnan((x)) +#endif /* _MSC_VER */ +#if defined(_MSC_VER) && !defined(__clang__) +#define crt_copysign(x, y) copysign((x), (y)) +#define crt_copysignf(x, y) copysignf((x), (y)) +#define crt_copysignl(x, y) copysignl((x), (y)) +#else #define crt_copysign(x, y) __builtin_copysign((x), (y)) #define crt_copysignf(x, y) __builtin_copysignf((x), (y)) #define crt_copysignl(x, y) __builtin_copysignl((x), (y)) +#endif +#if defined(_MSC_VER) && !defined(__clang__) +#define crt_fabs(x) fabs((x)) +#define crt_fabsf(x) fabsf((x)) +#define crt_fabsl(x) fabs((x)) +#else #define crt_fabs(x) __builtin_fabs((x)) #define crt_fabsf(x) __builtin_fabsf((x)) #define crt_fabsl(x) __builtin_fabsl((x)) +#endif +#if defined(_MSC_VER) && !defined(__clang__) +#define crt_fmax(x, y) __max((x), (y)) +#define crt_fmaxf(x, y) __max((x), (y)) +#define crt_fmaxl(x, y) __max((x), (y)) +#else #define crt_fmax(x, y) __builtin_fmax((x), (y)) #define crt_fmaxf(x, y) __builtin_fmaxf((x), (y)) #define crt_fmaxl(x, y) __builtin_fmaxl((x), (y)) +#endif +#if defined(_MSC_VER) && !defined(__clang__) +#define crt_logb(x) logb((x)) +#define crt_logbf(x) logbf((x)) +#define crt_logbl(x) logbl((x)) +#else #define crt_logb(x) __builtin_logb((x)) #define crt_logbf(x) __builtin_logbf((x)) #define crt_logbl(x) __builtin_logbl((x)) +#endif +#if defined(_MSC_VER) && !defined(__clang__) +#define crt_scalbn(x, y) scalbn((x), (y)) +#define crt_scalbnf(x, y) scalbnf((x), (y)) +#define crt_scalbnl(x, y) scalbnl((x), (y)) +#else #define crt_scalbn(x, y) __builtin_scalbn((x), (y)) #define crt_scalbnf(x, y) __builtin_scalbnf((x), (y)) #define crt_scalbnl(x, y) __builtin_scalbnl((x), (y)) +#endif #endif /* INT_MATH_H */ -- cgit v1.2.3