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Diffstat (limited to 'sysdeps/alpha/fpu/cfloat-compat.h')
| -rw-r--r-- | sysdeps/alpha/fpu/cfloat-compat.h | 74 |
1 files changed, 0 insertions, 74 deletions
diff --git a/sysdeps/alpha/fpu/cfloat-compat.h b/sysdeps/alpha/fpu/cfloat-compat.h deleted file mode 100644 index d325a7650e..0000000000 --- a/sysdeps/alpha/fpu/cfloat-compat.h +++ /dev/null @@ -1,74 +0,0 @@ -/* Compatibility macros for old and new Alpha complex float ABI. - Copyright (C) 2004 Free Software Foundation, Inc. - This file is part of the GNU C Library. - - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - The GNU C Library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, write to the Free - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. */ - -/* The behaviour of complex float changed between GCC 3.3 and 3.4. - - In 3.3 and before (below, complex version 1, or "c1"), complex float - values were packed into one floating point register. - - In 3.4 and later (below, complex version 2, or "c2"), GCC changed to - follow the official Tru64 ABI, which passes the components of a complex - as separate parameters. */ - -#if __GNUC_PREREQ(3,4) - typedef union { double d; _Complex float cf; } c1_compat; -# define c1_cfloat_decl(x) double x -# define c1_cfloat_real(x) __real__ c1_cfloat_value (x) -# define c1_cfloat_imag(x) __imag__ c1_cfloat_value (x) -# define c1_cfloat_value(x) (((c1_compat *)(void *)&x)->cf) -# define c1_cfloat_rettype double -# define c1_cfloat_return(x) ({ c1_compat _; _.cf = (x); _.d; }) -# define c2_cfloat_decl(x) _Complex float x -# define c2_cfloat_real(x) __real__ x -# define c2_cfloat_imag(x) __imag__ x -# define c2_cfloat_value(x) x -# define c2_cfloat_rettype _Complex float -# define c2_cfloat_return(x) x -#else -# define c1_cfloat_decl(x) _Complex float x -# define c1_cfloat_real(x) __real__ x -# define c1_cfloat_imag(x) __imag__ x -# define c1_cfloat_value(x) x -# define c1_cfloat_rettype _Complex float -# define c1_cfloat_return(x) x -# define c2_cfloat_decl(x) float x ## r, float x ## i -# define c2_cfloat_real(x) x ## r -# define c2_cfloat_imag(x) x ## i -# define c2_cfloat_value(x) \ - ({ _Complex float _; __real__ _ = x##r; __imag__ _ = x##i; _; }) -# define c2_cfloat_rettype double _Complex -# define c2_cfloat_return(x) x -#endif - -/* Get the proper symbol versions defined for each function. */ - -#include <shlib-compat.h> - -#if SHLIB_COMPAT (libm, GLIBC_2_1, GLIBC_2_3_4) -#define cfloat_versions_compat(func) \ - compat_symbol (libm, __c1_##func, func, GLIBC_2_1) -#else -#define cfloat_versions_compat(func) -#endif - -#define cfloat_versions(func) \ - cfloat_versions_compat(func); \ - versioned_symbol (libm, __c2_##func, func, GLIBC_2_3_4); \ - extern typeof(__c2_##func) __##func attribute_hidden; \ - strong_alias (__c2_##func, __##func) |