1 /* Copyright (C) 2012-2013 Free Software Foundation, Inc. 2 3 This file is part of GCC. 4 5 GCC is free software; you can redistribute it and/or modify 6 it under the terms of the GNU General Public License as published by 7 the Free Software Foundation; either version 3, or (at your option) 8 any later version. 9 10 GCC 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 13 GNU General Public License for more details. 14 15 Under Section 7 of GPL version 3, you are granted additional 16 permissions described in the GCC Runtime Library Exception, version 17 3.1, as published by the Free Software Foundation. 18 19 You should have received a copy of the GNU General Public License and 20 a copy of the GCC Runtime Library Exception along with this program; 21 see the files COPYING3 and COPYING.RUNTIME respectively. If not, see 22 <http://www.gnu.org/licenses/>. */ 23 24 #ifndef _IMMINTRIN_H_INCLUDED 25 # error "Never use <rtmintrin.h> directly; include <immintrin.h> instead." 26 #endif 27 28 #ifndef __RTM__ 29 # error "RTM instruction set not enabled" 30 #endif /* __RTM__ */ 31 32 #ifndef _RTMINTRIN_H_INCLUDED 33 #define _RTMINTRIN_H_INCLUDED 34 35 #define _XBEGIN_STARTED (~0u) 36 #define _XABORT_EXPLICIT (1 << 0) 37 #define _XABORT_RETRY (1 << 1) 38 #define _XABORT_CONFLICT (1 << 2) 39 #define _XABORT_CAPACITY (1 << 3) 40 #define _XABORT_DEBUG (1 << 4) 41 #define _XABORT_NESTED (1 << 5) 42 #define _XABORT_CODE(x) (((x) >> 24) & 0xFF) 43 44 /* Start an RTM code region. Return _XBEGIN_STARTED on success and the 45 abort condition otherwise. */ 46 extern __inline unsigned int 47 __attribute__((__gnu_inline__, __always_inline__, __artificial__)) 48 _xbegin (void) 49 { 50 return __builtin_ia32_xbegin (); 51 } 52 53 /* Specify the end of an RTM code region. If it corresponds to the 54 outermost transaction, then attempts the transaction commit. If the 55 commit fails, then control is transferred to the outermost transaction 56 fallback handler. */ 57 extern __inline void 58 __attribute__((__gnu_inline__, __always_inline__, __artificial__)) 59 _xend (void) 60 { 61 __builtin_ia32_xend (); 62 } 63 64 /* Force an RTM abort condition. The control is transferred to the 65 outermost transaction fallback handler with the abort condition IMM. */ 66 #ifdef __OPTIMIZE__ 67 extern __inline void 68 __attribute__((__gnu_inline__, __always_inline__, __artificial__)) 69 _xabort (const unsigned int imm) 70 { 71 __builtin_ia32_xabort (imm); 72 } 73 #else 74 #define _xabort(N) __builtin_ia32_xabort (N) 75 #endif /* __OPTIMIZE__ */ 76 77 #endif /* _RTMINTRIN_H_INCLUDED */ 78
