1 /* _Float128 aliasing macro support for ifunc generation on PPC. 2 Copyright (C) 2020-2022 Free Software Foundation, Inc. 3 This file is part of the GNU C Library. 4 5 The GNU C Library is free software; you can redistribute it and/or 6 modify it under the terms of the GNU Lesser General Public 7 License as published by the Free Software Foundation; either 8 version 2.1 of the License, or (at your option) any later version. 9 10 The GNU C Library is distributed in the hope that it will be useful, 11 but WITHOUT ANY WARRANTY; without even the implied warranty of 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 13 Lesser General Public License for more details. 14 15 You should have received a copy of the GNU Lesser General Public 16 License along with the GNU C Library; if not, see 17 <https://www.gnu.org/licenses/>. */ 18 19 #ifndef _FLOAT128_IFUNC_REDIRECT_MACROS_PPC64LE 20 #define _FLOAT128_IFUNC_REDIRECT_MACROS_PPC64LE 1 21 22 /* Define the redirection macros used throughout most of the IFUNC headers. 23 The variant is inferred via compiler options. 24 25 F128_REDIR_PFX_R(function, destination_prefix, reentrant_suffix) 26 Redirect function, optionally suffixed by reentrant_suffix, to a function 27 named destination_prefix ## function ## variant ## reentrant_suffix. 28 29 F128_SFX_APPEND(sym) 30 Append the the multiarch variant specific suffix to the sym. sym is not 31 expanded. This is sym ## variant. 32 33 F128_REDIR_R(func, reentrant_suffix) 34 Redirect func to a function named function ## variant ## reentrant_suffix 35 36 F128_REDIR(function) 37 Convience wrapper for F128_REDIR_R where function does not require 38 a suffix argument. 39 40 */ 41 #ifndef _ARCH_PWR9 42 #define F128_REDIR_PFX_R(func, pfx, r) \ 43 extern __typeof(func ## r) func ## r __asm( #pfx #func "_power8" #r ); 44 #define F128_SFX_APPEND(x) x ## _power8 45 #else 46 #define F128_REDIR_PFX_R(func, pfx, r) \ 47 extern __typeof(func ## r) func ## r __asm( #pfx #func "_power9" #r ); 48 #define F128_SFX_APPEND(x) x ## _power9 49 #endif 50 #define F128_REDIR_R(func, r) F128_REDIR_PFX_R (func, , r) 51 #define F128_REDIR(func) F128_REDIR_R (func, ) 52 53 #endif /*_FLOAT128_IFUNC_REDIRECT_MACROS_PPC64LE */ 54