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math: Add math-use-builtinds-fmax.h

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It allows the architecture to use the builtin instead of generic
implementation.
This commit is contained in:
Adhemerval Zanella
2021-12-01 10:37:44 -03:00
parent 2eb1cd2f47
commit 72ab1eaec7
7 changed files with 14 additions and 0 deletions
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5
math/s_fmax_template.c
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@@ -17,10 +17,14 @@
<https://www.gnu.org/licenses/>. */ <https://www.gnu.org/licenses/>. */
#include <math.h> #include <math.h>
#include <math-use-builtins.h>
FLOAT FLOAT
M_DECL_FUNC (__fmax) (FLOAT x, FLOAT y) 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)) if (isgreaterequal (x, y))
return x; return x;
else if (isless (x, y)) else if (isless (x, y))
@@ -29,6 +33,7 @@ M_DECL_FUNC (__fmax) (FLOAT x, FLOAT y)
return x + y; return x + y;
else else
return isnan (y) ? x : y; return isnan (y) ? x : y;
#endif
} }
declare_mgen_alias (__fmax, fmax); declare_mgen_alias (__fmax, fmax);

1
sysdeps/generic/math-type-macros-double.h
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@@ -26,6 +26,7 @@
#define FLOAT double #define FLOAT double
#define CFLOAT _Complex double #define CFLOAT _Complex double
#define M_STRTO_NAN __strtod_nan #define M_STRTO_NAN __strtod_nan
#define M_USE_BUILTIN(c) USE_ ##c ##_BUILTIN
#include <libm-alias-double.h> #include <libm-alias-double.h>
#include <math-nan-payload-double.h> #include <math-nan-payload-double.h>

1
sysdeps/generic/math-type-macros-float.h
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@@ -25,6 +25,7 @@
#define FLOAT float #define FLOAT float
#define CFLOAT _Complex float #define CFLOAT _Complex float
#define M_STRTO_NAN __strtof_nan #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 /* Standard/GNU macro literals do not exist for the float type. Use
the double macro constants. */ the double macro constants. */

1
sysdeps/generic/math-type-macros-float128.h
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@@ -24,6 +24,7 @@
#define M_SUF(c) c ## f128 #define M_SUF(c) c ## f128
#define FLOAT _Float128 #define FLOAT _Float128
#define M_STRTO_NAN __strtof128_nan #define M_STRTO_NAN __strtof128_nan
#define M_USE_BUILTIN(c) USE_ ##c ##F128_BUILTIN
#define CFLOAT __CFLOAT128 #define CFLOAT __CFLOAT128

1
sysdeps/generic/math-type-macros-ldouble.h
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@@ -26,6 +26,7 @@
#define FLOAT long double #define FLOAT long double
#define CFLOAT _Complex long double #define CFLOAT _Complex long double
#define M_STRTO_NAN __strtold_nan #define M_STRTO_NAN __strtold_nan
#define M_USE_BUILTIN(c) USE_ ##c ##L_BUILTIN
#include <libm-alias-ldouble.h> #include <libm-alias-ldouble.h>
#include <math-nan-payload-ldouble.h> #include <math-nan-payload-ldouble.h>

4
sysdeps/generic/math-use-builtins-fmax.h Normal file
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@@ -0,0 +1,4 @@
#define USE_FMAX_BUILTIN 0
#define USE_FMAXF_BUILTIN 0
#define USE_FMAXL_BUILTIN 0
#define USE_FMAXF128_BUILTIN 0

1
sysdeps/generic/math-use-builtins.h
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@@ -34,5 +34,6 @@
#include <math-use-builtins-copysign.h> #include <math-use-builtins-copysign.h>
#include <math-use-builtins-sqrt.h> #include <math-use-builtins-sqrt.h>
#include <math-use-builtins-fma.h> #include <math-use-builtins-fma.h>
#include <math-use-builtins-fmax.h>
#endif /* MATH_USE_BUILTINS_H */ #endif /* MATH_USE_BUILTINS_H */