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Revert "Revert "Use compiler builtins for fabs.""

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Don't enable the inlines when building libm itself. Otherwise clang gets
upset by seeing both an inline and a non-inline definition.

This reverts commit c5deb0f883.

Change-Id: If7abdb351f5a5549d6a331b33af408e8fcfa9868
This commit is contained in:
Elliott Hughes
2015-08-24 22:57:08 +00:00
parent c868b4c351
commit f9f4a432ee
7 changed files with 86 additions and 68 deletions
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9
libm/include/math.h
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@@ -20,6 +20,12 @@
#include <sys/cdefs.h>
#include <limits.h>
#if !defined(__BIONIC_NO_MATH_INLINES)
#define __BIONIC_MATH_INLINE(__def) extern __inline__ __always_inline __attribute__((gnu_inline)) __attribute__((__artificial__)) __def
#else
#define __BIONIC_MATH_INLINE(__def)
#endif
__BEGIN_DECLS
#pragma GCC visibility push(default)
@@ -161,6 +167,7 @@ double sqrt(double);
double ceil(double);
double fabs(double) __pure2;
__BIONIC_MATH_INLINE(double fabs(double x) { return __builtin_fabs(x); })
double floor(double);
double fmod(double, double);
@@ -279,6 +286,7 @@ float sqrtf(float);
float ceilf(float);
float fabsf(float) __pure2;
__BIONIC_MATH_INLINE(float fabsf(float x) { return __builtin_fabsf(x); })
float floorf(float);
float fmodf(float, float);
float roundf(float);
@@ -366,6 +374,7 @@ long double exp2l(long double);
long double expl(long double);
long double expm1l(long double);
long double fabsl(long double) __pure2;
__BIONIC_MATH_INLINE(long double fabsl(long double x) { return __builtin_fabsl(x); })
long double fdiml(long double, long double);
long double floorl(long double);
long double fmal(long double, long double, long double);