2 * copyright (c) 2006 Michael Niedermayer <michaelni@gmx.at>
4 * This file is part of FFmpeg.
6 * FFmpeg is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * FFmpeg is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with FFmpeg; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
21 #ifndef AVUTIL_X86_CPU_H
22 #define AVUTIL_X86_CPU_H
36 typedef int64_t x86_reg;
57 typedef int32_t x86_reg;
71 #define HAVE_7REGS (ARCH_X86_64 || (HAVE_EBX_AVAILABLE && HAVE_EBP_AVAILABLE))
72 #define HAVE_6REGS (ARCH_X86_64 || (HAVE_EBX_AVAILABLE || HAVE_EBP_AVAILABLE))
74 #if ARCH_X86_64 && defined(PIC)
75 # define BROKEN_RELOCATIONS 1
79 * If gcc is not set to support sse (-msse) it will not accept xmm registers
80 * in the clobber list for inline asm. XMM_CLOBBERS takes a list of xmm
81 * registers to be marked as clobbered and evaluates to nothing if they are
82 * not supported, or to the list itself if they are supported. Since a clobber
83 * list may not be empty, XMM_CLOBBERS_ONLY should be used if the xmm
84 * registers are the only in the clobber list.
85 * For example a list with "eax" and "xmm0" as clobbers should become:
86 * : XMM_CLOBBERS("xmm0",) "eax"
87 * and a list with only "xmm0" should become:
88 * XMM_CLOBBERS_ONLY("xmm0")
91 # define XMM_CLOBBERS(...) __VA_ARGS__
92 # define XMM_CLOBBERS_ONLY(...) : __VA_ARGS__
94 # define XMM_CLOBBERS(...)
95 # define XMM_CLOBBERS_ONLY(...)
98 #endif /* AVUTIL_X86_CPU_H */