AuroraMiddleware/glibc
1
0
Fork 0
mirror of https://sourceware.org/git/glibc.git synced 2024-12-13 23:00:22 +00:00
Code Issues Packages Projects Releases Wiki Activity

Add a first approximation of float definitions for ppc clang

Browse Source
This commit is contained in:
Stan Shebs 2018-09-26 14:04:13 -07:00 committed by Fangrui Song
parent e21102f77e
commit 5e4f72b895
1 changed files with 47 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

50
sysdeps/powerpc/bits/floatn.h
View File

@ -22,11 +22,17 @@
#include <features.h>
#include <bits/long-double.h>
#if 0 /* for macro expansion debugging */
#define capture0(sym) typedef int sym##_eq_0
#define capture1(sym) typedef int sym##_eq_1
/*#define capture(sym, val) extern int sym[val]*/
#endif
/* Defined to 1 if the current compiler invocation provides a
floating-point type with the IEEE 754 binary128 format, and this glibc
includes corresponding *f128 interfaces for it. */
#if defined _ARCH_PWR8 && defined __LITTLE_ENDIAN__ && (_CALL_ELF == 2) \
&& defined __FLOAT128__ && !defined __NO_LONG_DOUBLE_MATH
&& defined __FLOAT128__ && !defined __NO_LONG_DOUBLE_MATH && !defined __clang__
# define __HAVE_FLOAT128 1
#else
# define __HAVE_FLOAT128 0
@ -51,6 +57,23 @@
double. */
#define __HAVE_FLOAT64X_LONG_DOUBLE 0
#ifndef __ASSEMBLER__
#if 0 /* for macro expansion debugging */
#if __HAVE_FLOAT128
capture1(i_have_float128);
#else
capture0(i_have_float128);
#endif
#if __HAVE_DISTINCT_FLOAT128
capture1(i_have_distinct_float128);
#else
capture0(i_have_distinct_float128);
#endif
/*capture(i_have_float128, __HAVE_FLOAT128);*/
/*capture(i_have_distinct_float128, __HAVE_DISTINCT_FLOAT128);*/
#endif
#endif
#ifndef __ASSEMBLER__
/* Defined to concatenate the literal suffix to be used with _Float128
@ -66,7 +89,7 @@
/* Defined to a complex binary128 type if __HAVE_FLOAT128 is 1. */
# if __HAVE_FLOAT128
# if !__GNUC_PREREQ (7, 0) || defined __cplusplus
# if !defined __clang__ && (!__GNUC_PREREQ (7, 0) || defined __cplusplus)
/* Add a typedef for older GCC compilers which don't natively support
_Complex _Float128. */
typedef _Complex float __cfloat128 __attribute__ ((__mode__ (__KC__)));
@ -80,7 +103,7 @@ typedef _Complex float __cfloat128 __attribute__ ((__mode__ (__KC__)));
# if __HAVE_FLOAT128
/* The type _Float128 exist for powerpc only since GCC 7.0. */
# if !__GNUC_PREREQ (7, 0) || defined __cplusplus
# if !defined __clang__ && (!__GNUC_PREREQ (7, 0) || defined __cplusplus)
typedef __float128 _Float128;
# endif
@ -89,6 +112,21 @@ typedef __float128 _Float128;
# define __builtin_huge_valf128() ((_Float128) __builtin_huge_val ())
# endif
#if defined __clang__
#if 1 /* 6.0 or less */
#define __builtin_huge_valf128() ((_Float128) __builtin_huge_val ())
#define __builtin_inff128() ((_Float128) __builtin_inf ())
#define __builtin_nanf128(x) ((_Float128) __builtin_nan (x))
#define __builtin_nansf128(x) ((_Float128) __builtin_nans (x))
#define __builtin_copysignf128(x,y) ((_Float128) __builtin_copysign ((double)(x),(double)(y)))
#define __builtin_fabsf128(x) ((_Float128) __builtin_fabs ((double)(x)))
#define __builtin_signbitf128(x) (__builtin_signbit (x))
#endif
#else /* GCC */
/* The following builtins (suffixed with 'q') are available in GCC >= 6.2,
which is the minimum version required for float128 support on powerpc64le.
Since GCC 7.0 the builtins suffixed with f128 are also available, then
@ -101,6 +139,8 @@ typedef __float128 _Float128;
# define __builtin_nansf128 __builtin_nansq
# endif
#endif /* GCC or clang */
/* In math/math.h, __MATH_TG will expand signbit to __builtin_signbit*,
e.g.: __builtin_signbitf128, before GCC 6. However, there has never
been a __builtin_signbitf128 in GCC and the type-generic builtin is
@ -111,6 +151,10 @@ typedef __float128 _Float128;
# endif
#if !__HAVE_FLOAT128 && defined __clang__
typedef long double _Float128;
#endif /* clang fallback */
#endif /* !__ASSEMBLER__. */
#include <bits/floatn-common.h>