| /* XL compiler Hardware Transactional Memory (HTM) execution intrinsics. |
| Copyright (C) 2013-2015 Free Software Foundation, Inc. |
| Contributed by Peter Bergner <bergner@vnet.ibm.com>. |
| |
| This file is free software; you can redistribute it and/or modify it under |
| the terms of the GNU General Public License as published by the Free |
| Software Foundation; either version 3 of the License, or (at your option) |
| any later version. |
| |
| This file 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 General Public License |
| for more details. |
| |
| Under Section 7 of GPL version 3, you are granted additional |
| permissions described in the GCC Runtime Library Exception, version |
| 3.1, as published by the Free Software Foundation. |
| |
| You should have received a copy of the GNU General Public License and |
| a copy of the GCC Runtime Library Exception along with this program; |
| see the files COPYING3 and COPYING.RUNTIME respectively. If not, see |
| <http://www.gnu.org/licenses/>. */ |
| |
| #ifndef __HTM__ |
| # error "HTM instruction set not enabled" |
| #endif /* __HTM__ */ |
| |
| #ifndef _HTMXLINTRIN_H |
| #define _HTMXLINTRIN_H |
| |
| #include <stdint.h> |
| #include <htmintrin.h> |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| #define _TEXASR_PTR(TM_BUF) \ |
| ((texasr_t *)((TM_BUF)+0)) |
| #define _TEXASRU_PTR(TM_BUF) \ |
| ((texasru_t *)((TM_BUF)+0)) |
| #define _TEXASRL_PTR(TM_BUF) \ |
| ((texasrl_t *)((TM_BUF)+4)) |
| #define _TFIAR_PTR(TM_BUF) \ |
| ((tfiar_t *)((TM_BUF)+8)) |
| |
| typedef char TM_buff_type[16]; |
| |
| /* Compatibility macro with s390. This macro can be used to determine |
| whether a transaction was successfully started from the __TM_begin() |
| and __TM_simple_begin() intrinsic functions below. */ |
| #define _HTM_TBEGIN_STARTED 1 |
| |
| extern __inline long |
| __attribute__ ((__gnu_inline__, __always_inline__, __artificial__)) |
| __TM_simple_begin (void) |
| { |
| if (__builtin_expect (__builtin_tbegin (0), 1)) |
| return _HTM_TBEGIN_STARTED; |
| return 0; |
| } |
| |
| extern __inline long |
| __attribute__ ((__gnu_inline__, __always_inline__, __artificial__)) |
| __TM_begin (void* const TM_buff) |
| { |
| *_TEXASRL_PTR (TM_buff) = 0; |
| if (__builtin_expect (__builtin_tbegin (0), 1)) |
| return _HTM_TBEGIN_STARTED; |
| #ifdef __powerpc64__ |
| *_TEXASR_PTR (TM_buff) = __builtin_get_texasr (); |
| #else |
| *_TEXASRU_PTR (TM_buff) = __builtin_get_texasru (); |
| *_TEXASRL_PTR (TM_buff) = __builtin_get_texasr (); |
| #endif |
| *_TFIAR_PTR (TM_buff) = __builtin_get_tfiar (); |
| return 0; |
| } |
| |
| extern __inline long |
| __attribute__ ((__gnu_inline__, __always_inline__, __artificial__)) |
| __TM_end (void) |
| { |
| unsigned char status = _HTM_STATE (__builtin_tend (0)); |
| if (__builtin_expect (status, _HTM_TRANSACTIONAL)) |
| return 1; |
| return 0; |
| } |
| |
| extern __inline void |
| __attribute__ ((__gnu_inline__, __always_inline__, __artificial__)) |
| __TM_abort (void) |
| { |
| __builtin_tabort (0); |
| } |
| |
| extern __inline void |
| __attribute__ ((__gnu_inline__, __always_inline__, __artificial__)) |
| __TM_named_abort (unsigned char const code) |
| { |
| __builtin_tabort (code); |
| } |
| |
| extern __inline void |
| __attribute__ ((__gnu_inline__, __always_inline__, __artificial__)) |
| __TM_resume (void) |
| { |
| __builtin_tresume (); |
| } |
| |
| extern __inline void |
| __attribute__ ((__gnu_inline__, __always_inline__, __artificial__)) |
| __TM_suspend (void) |
| { |
| __builtin_tsuspend (); |
| } |
| |
| extern __inline long |
| __attribute__ ((__gnu_inline__, __always_inline__, __artificial__)) |
| __TM_is_user_abort (void* const TM_buff) |
| { |
| texasru_t texasru = *_TEXASRU_PTR (TM_buff); |
| return _TEXASRU_ABORT (texasru); |
| } |
| |
| extern __inline long |
| __attribute__ ((__gnu_inline__, __always_inline__, __artificial__)) |
| __TM_is_named_user_abort (void* const TM_buff, unsigned char *code) |
| { |
| texasru_t texasru = *_TEXASRU_PTR (TM_buff); |
| |
| *code = _TEXASRU_FAILURE_CODE (texasru); |
| return _TEXASRU_ABORT (texasru); |
| } |
| |
| extern __inline long |
| __attribute__ ((__gnu_inline__, __always_inline__, __artificial__)) |
| __TM_is_illegal (void* const TM_buff) |
| { |
| texasru_t texasru = *_TEXASRU_PTR (TM_buff); |
| return _TEXASRU_DISALLOWED (texasru); |
| } |
| |
| extern __inline long |
| __attribute__ ((__gnu_inline__, __always_inline__, __artificial__)) |
| __TM_is_footprint_exceeded (void* const TM_buff) |
| { |
| texasru_t texasru = *_TEXASRU_PTR (TM_buff); |
| return _TEXASRU_FOOTPRINT_OVERFLOW (texasru); |
| } |
| |
| extern __inline long |
| __attribute__ ((__gnu_inline__, __always_inline__, __artificial__)) |
| __TM_nesting_depth (void* const TM_buff) |
| { |
| texasrl_t texasrl; |
| |
| if (_HTM_STATE (__builtin_ttest ()) == _HTM_NONTRANSACTIONAL) |
| { |
| texasrl = *_TEXASRL_PTR (TM_buff); |
| if (!_TEXASR_FAILURE_SUMMARY (texasrl)) |
| texasrl = 0; |
| } |
| else |
| texasrl = (texasrl_t) __builtin_get_texasr (); |
| |
| return _TEXASR_TRANSACTION_LEVEL (texasrl); |
| } |
| |
| extern __inline long |
| __attribute__ ((__gnu_inline__, __always_inline__, __artificial__)) |
| __TM_is_nested_too_deep(void* const TM_buff) |
| { |
| texasru_t texasru = *_TEXASRU_PTR (TM_buff); |
| return _TEXASRU_NESTING_OVERFLOW (texasru); |
| } |
| |
| extern __inline long |
| __attribute__ ((__gnu_inline__, __always_inline__, __artificial__)) |
| __TM_is_conflict(void* const TM_buff) |
| { |
| texasru_t texasru = *_TEXASRU_PTR (TM_buff); |
| /* Return TEXASR bits 11 (Self-Induced Conflict) through |
| 14 (Translation Invalidation Conflict). */ |
| return (_TEXASRU_EXTRACT_BITS (texasru, 14, 4)) ? 1 : 0; |
| } |
| |
| extern __inline long |
| __attribute__ ((__gnu_inline__, __always_inline__, __artificial__)) |
| __TM_is_failure_persistent(void* const TM_buff) |
| { |
| texasru_t texasru = *_TEXASRU_PTR (TM_buff); |
| return _TEXASRU_FAILURE_PERSISTENT (texasru); |
| } |
| |
| extern __inline long |
| __attribute__ ((__gnu_inline__, __always_inline__, __artificial__)) |
| __TM_failure_address(void* const TM_buff) |
| { |
| return *_TFIAR_PTR (TM_buff); |
| } |
| |
| extern __inline long long |
| __attribute__ ((__gnu_inline__, __always_inline__, __artificial__)) |
| __TM_failure_code(void* const TM_buff) |
| { |
| return *_TEXASR_PTR (TM_buff); |
| } |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| |
| #endif /* _HTMXLINTRIN_H */ |