diff options
Diffstat (limited to 'gcc-4.7/libitm/config/alpha')
| -rw-r--r-- | gcc-4.7/libitm/config/alpha/cacheline.h | 38 | ||||
| -rw-r--r-- | gcc-4.7/libitm/config/alpha/sjlj.S | 112 | ||||
| -rw-r--r-- | gcc-4.7/libitm/config/alpha/target.h | 48 |
3 files changed, 198 insertions, 0 deletions
diff --git a/gcc-4.7/libitm/config/alpha/cacheline.h b/gcc-4.7/libitm/config/alpha/cacheline.h new file mode 100644 index 000000000..611a1c9a2 --- /dev/null +++ b/gcc-4.7/libitm/config/alpha/cacheline.h @@ -0,0 +1,38 @@ +/* Copyright (C) 2009, 2011 Free Software Foundation, Inc. + Contributed by Richard Henderson <rth@redhat.com>. + + This file is part of the GNU Transactional Memory Library (libitm). + + Libitm 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. + + Libitm 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 LIBITM_ALPHA_CACHELINE_H +#define LIBITM_ALPHA_CACHELINE_H 1 + +// A cacheline is the smallest unit with which locks are associated. +// The current implementation of the _ITM_[RW] barriers assumes that +// all data types can fit (aligned) within a cachline, which means +// in practice sizeof(complex long double) is the smallest cacheline size. +// It ought to be small enough for efficient manipulation of the +// modification mask, below. +#define CACHELINE_SIZE 64 + +#include "config/generic/cacheline.h" + +#endif // LIBITM_ALPHA_CACHELINE_H diff --git a/gcc-4.7/libitm/config/alpha/sjlj.S b/gcc-4.7/libitm/config/alpha/sjlj.S new file mode 100644 index 000000000..615eacb86 --- /dev/null +++ b/gcc-4.7/libitm/config/alpha/sjlj.S @@ -0,0 +1,112 @@ +/* Copyright (C) 2009, 2011 Free Software Foundation, Inc. + Contributed by Richard Henderson <rth@redhat.com>. + + This file is part of the GNU Transactional Memory Library (libitm). + + Libitm 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. + + Libitm 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/>. */ + + .text + .align 4 + .globl _ITM_beginTransaction + .ent _ITM_beginTransaction + +#define FRAME 144 + +_ITM_beginTransaction: + ldgp $29, 0($27) + subq $30, FRAME, $30 + .frame $30, FRAME, $26, 0 + .mask 0x04000000, 0 + stq $26, 0($30) + .prologue 1 + + stq $9, 8($30) + stq $10, 16($30) + addq $30, FRAME, $0 + stq $11, 24($30) + + stq $12, 32($30) + stq $13, 40($30) + stq $14, 48($30) + stq $15, 56($30) + + stq $0, 64($30) + stt $f2, 72($30) + stt $f3, 80($30) + stt $f4, 88($30) + + stt $f5, 96($30) + stt $f6, 104($30) + stt $f7, 112($30) + stt $f8, 120($30) + + stt $f9, 128($30) + mov $30, $17 +#ifdef __PIC__ + unop + bsr $26, GTM_begin_transaction !samegp +#else + jsr $26, GTM_begin_transaction + ldgp $29, 0($26) +#endif + + ldq $26, 0($30) + addq $30, FRAME, $30 + ret +.end _ITM_beginTransaction + + .align 4 + .globl GTM_longjmp +#ifdef __ELF__ + .hidden GTM_longjmp +#endif + .ent GTM_longjmp + +GTM_longjmp: + .prologue 0 + ldq $26, 0($17) + ldq $9, 8($17) + ldq $10, 16($17) + ldq $11, 24($17) + + ldq $12, 32($17) + ldq $13, 40($17) + ldq $14, 48($17) + ldq $15, 56($17) + + ldq $1, 64($17) + ldt $f2, 72($17) + ldt $f3, 80($17) + ldt $f4, 88($17) + + ldt $f5, 96($17) + ldt $f6, 104($17) + ldt $f7, 112($17) + ldt $f8, 120($17) + + ldt $f9, 128($17) + mov $16, $0 + mov $1, $30 + ret +.end GTM_longjmp + +#ifdef __linux__ +.section .note.GNU-stack, "", @progbits +#endif diff --git a/gcc-4.7/libitm/config/alpha/target.h b/gcc-4.7/libitm/config/alpha/target.h new file mode 100644 index 000000000..12b1d8985 --- /dev/null +++ b/gcc-4.7/libitm/config/alpha/target.h @@ -0,0 +1,48 @@ +/* Copyright (C) 2009, 2011 Free Software Foundation, Inc. + Contributed by Richard Henderson <rth@redhat.com>. + + This file is part of the GNU Transactional Memory Library (libitm). + + Libitm 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. + + Libitm 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/>. */ + +namespace GTM HIDDEN { + +typedef struct gtm_jmpbuf +{ + unsigned long pc; + unsigned long s[7]; + void *cfa; + unsigned long f[8]; +} gtm_jmpbuf; + +/* Alpha generally uses a fixed page size of 8K. */ +#define PAGE_SIZE 8192 +#define FIXED_PAGE_SIZE 1 + +/* The size of one line in hardware caches (in bytes). */ +#define HW_CACHELINE_SIZE 64 + +static inline void +cpu_relax (void) +{ + __asm volatile ("" : : : "memory"); +} + +} // namespace GTM |