/* * copyright (c) 2006 Michael Niedermayer <michaelni@gmx.at> * * This file is part of FFmpeg. * * FFmpeg 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. * * FFmpeg 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 FFmpeg; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ #ifndef AVUTIL_X86_CPU_H #define AVUTIL_X86_CPU_H #include <stdint.h> #include "config.h" #if ARCH_X86_64 # define OPSIZE "q" # define REG_a "rax" # define REG_b "rbx" # define REG_c "rcx" # define REG_d "rdx" # define REG_D "rdi" # define REG_S "rsi" # define PTR_SIZE "8" typedef int64_t x86_reg; # define REG_SP "rsp" # define REG_BP "rbp" # define REGBP rbp # define REGa rax # define REGb rbx # define REGc rcx # define REGd rdx # define REGSP rsp #elif ARCH_X86_32 # define OPSIZE "l" # define REG_a "eax" # define REG_b "ebx" # define REG_c "ecx" # define REG_d "edx" # define REG_D "edi" # define REG_S "esi" # define PTR_SIZE "4" typedef int32_t x86_reg; # define REG_SP "esp" # define REG_BP "ebp" # define REGBP ebp # define REGa eax # define REGb ebx # define REGc ecx # define REGd edx # define REGSP esp #else typedef int x86_reg; #endif #define HAVE_7REGS (ARCH_X86_64 || (HAVE_EBX_AVAILABLE && HAVE_EBP_AVAILABLE)) #define HAVE_6REGS (ARCH_X86_64 || (HAVE_EBX_AVAILABLE || HAVE_EBP_AVAILABLE)) #if ARCH_X86_64 && defined(PIC) # define BROKEN_RELOCATIONS 1 #endif /* * If gcc is not set to support sse (-msse) it will not accept xmm registers * in the clobber list for inline asm. XMM_CLOBBERS takes a list of xmm * registers to be marked as clobbered and evaluates to nothing if they are * not supported, or to the list itself if they are supported. Since a clobber * list may not be empty, XMM_CLOBBERS_ONLY should be used if the xmm * registers are the only in the clobber list. * For example a list with "eax" and "xmm0" as clobbers should become: * : XMM_CLOBBERS("xmm0",) "eax" * and a list with only "xmm0" should become: * XMM_CLOBBERS_ONLY("xmm0") */ #if HAVE_XMM_CLOBBERS # define XMM_CLOBBERS(...) __VA_ARGS__ # define XMM_CLOBBERS_ONLY(...) : __VA_ARGS__ #else # define XMM_CLOBBERS(...) # define XMM_CLOBBERS_ONLY(...) #endif #endif /* AVUTIL_X86_CPU_H */