[v5,08/12] math: Add math-use-builtinds-fmax.h
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Commit Message
It allows the architecture to use the builtin instead of generic
implementation.
---
math/s_fmax_template.c | 5 +++++
sysdeps/generic/math-type-macros-double.h | 1 +
sysdeps/generic/math-type-macros-float.h | 1 +
sysdeps/generic/math-type-macros-float128.h | 1 +
sysdeps/generic/math-type-macros-ldouble.h | 1 +
sysdeps/generic/math-use-builtins-fmax.h | 4 ++++
sysdeps/generic/math-use-builtins.h | 1 +
7 files changed, 14 insertions(+)
create mode 100644 sysdeps/generic/math-use-builtins-fmax.h
@@ -17,10 +17,14 @@
<https://www.gnu.org/licenses/>. */
#include <math.h>
+#include <math-use-builtins.h>
FLOAT
M_DECL_FUNC (__fmax) (FLOAT x, FLOAT y)
{
+#if M_USE_BUILTIN (FMAX)
+ return M_SUF (__builtin_fmax) (x, y);
+#else
if (isgreaterequal (x, y))
return x;
else if (isless (x, y))
@@ -29,6 +33,7 @@ M_DECL_FUNC (__fmax) (FLOAT x, FLOAT y)
return x + y;
else
return isnan (y) ? x : y;
+#endif
}
declare_mgen_alias (__fmax, fmax);
@@ -26,6 +26,7 @@
#define FLOAT double
#define CFLOAT _Complex double
#define M_STRTO_NAN __strtod_nan
+#define M_USE_BUILTIN(c) USE_ ##c ##_BUILTIN
#include <libm-alias-double.h>
#include <math-nan-payload-double.h>
@@ -25,6 +25,7 @@
#define FLOAT float
#define CFLOAT _Complex float
#define M_STRTO_NAN __strtof_nan
+#define M_USE_BUILTIN(c) USE_ ##c ##F_BUILTIN
/* Standard/GNU macro literals do not exist for the float type. Use
the double macro constants. */
@@ -24,6 +24,7 @@
#define M_SUF(c) c ## f128
#define FLOAT _Float128
#define M_STRTO_NAN __strtof128_nan
+#define M_USE_BUILTIN(c) USE_ ##c ##F128_BUILTIN
#define CFLOAT __CFLOAT128
@@ -26,6 +26,7 @@
#define FLOAT long double
#define CFLOAT _Complex long double
#define M_STRTO_NAN __strtold_nan
+#define M_USE_BUILTIN(c) USE_ ##c ##L_BUILTIN
#include <libm-alias-ldouble.h>
#include <math-nan-payload-ldouble.h>
new file mode 100644
@@ -0,0 +1,4 @@
+#define USE_FMAX_BUILTIN 0
+#define USE_FMAXF_BUILTIN 0
+#define USE_FMAXL_BUILTIN 0
+#define USE_FMAXF128_BUILTIN 0
@@ -34,5 +34,6 @@
#include <math-use-builtins-copysign.h>
#include <math-use-builtins-sqrt.h>
#include <math-use-builtins-fma.h>
+#include <math-use-builtins-fmax.h>
#endif /* MATH_USE_BUILTINS_H */