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Diffstat (limited to 'libgcc/config/sh/linux-atomic.S')
| -rw-r--r-- | libgcc/config/sh/linux-atomic.S | 223 |
1 files changed, 0 insertions, 223 deletions
diff --git a/libgcc/config/sh/linux-atomic.S b/libgcc/config/sh/linux-atomic.S deleted file mode 100644 index 743c61bb7..000000000 --- a/libgcc/config/sh/linux-atomic.S +++ /dev/null @@ -1,223 +0,0 @@ -/* Copyright (C) 2006, 2008, 2009 Free Software Foundation, Inc. - - This file is part of GCC. - - GCC 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, or (at your option) - any later version. - - GCC 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/>. */ - - -!! Linux specific atomic routines for the Renesas / SuperH SH CPUs. -!! Linux kernel for SH3/4 has implemented the support for software -!! atomic sequences. - -#define FUNC(X) .type X,@function -#define HIDDEN_FUNC(X) FUNC(X); .hidden X -#define ENDFUNC0(X) .Lfe_##X: .size X,.Lfe_##X-X -#define ENDFUNC(X) ENDFUNC0(X) - -#if ! __SH5__ - -#define ATOMIC_TEST_AND_SET(N,T,EXT) \ - .global __sync_lock_test_and_set_##N; \ - HIDDEN_FUNC(__sync_lock_test_and_set_##N); \ - .align 2; \ -__sync_lock_test_and_set_##N:; \ - mova 1f, r0; \ - nop; \ - mov r15, r1; \ - mov #(0f-1f), r15; \ -0: mov.##T @r4, r2; \ - mov.##T r5, @r4; \ -1: mov r1, r15; \ - rts; \ - EXT r2, r0; \ - ENDFUNC(__sync_lock_test_and_set_##N) - -ATOMIC_TEST_AND_SET (1,b,extu.b) -ATOMIC_TEST_AND_SET (2,w,extu.w) -ATOMIC_TEST_AND_SET (4,l,mov) - -#define ATOMIC_COMPARE_AND_SWAP(N,T,EXTS,EXT) \ - .global __sync_val_compare_and_swap_##N; \ - HIDDEN_FUNC(__sync_val_compare_and_swap_##N); \ - .align 2; \ -__sync_val_compare_and_swap_##N:; \ - mova 1f, r0; \ - EXTS r5, r5; \ - mov r15, r1; \ - mov #(0f-1f), r15; \ -0: mov.##T @r4, r2; \ - cmp/eq r2, r5; \ - bf 1f; \ - mov.##T r6, @r4; \ -1: mov r1, r15; \ - rts; \ - EXT r2, r0; \ - ENDFUNC(__sync_val_compare_and_swap_##N) - -ATOMIC_COMPARE_AND_SWAP (1,b,exts.b,extu.b) -ATOMIC_COMPARE_AND_SWAP (2,w,exts.w,extu.w) -ATOMIC_COMPARE_AND_SWAP (4,l,mov,mov) - -#define ATOMIC_BOOL_COMPARE_AND_SWAP(N,T,EXTS) \ - .global __sync_bool_compare_and_swap_##N; \ - HIDDEN_FUNC(__sync_bool_compare_and_swap_##N); \ - .align 2; \ -__sync_bool_compare_and_swap_##N:; \ - mova 1f, r0; \ - EXTS r5, r5; \ - mov r15, r1; \ - mov #(0f-1f), r15; \ -0: mov.##T @r4, r2; \ - cmp/eq r2, r5; \ - bf 1f; \ - mov.##T r6, @r4; \ -1: mov r1, r15; \ - rts; \ - movt r0; \ - ENDFUNC(__sync_bool_compare_and_swap_##N) - -ATOMIC_BOOL_COMPARE_AND_SWAP (1,b,exts.b) -ATOMIC_BOOL_COMPARE_AND_SWAP (2,w,exts.w) -ATOMIC_BOOL_COMPARE_AND_SWAP (4,l,mov) - -#define ATOMIC_FETCH_AND_OP(OP,N,T,EXT) \ - .global __sync_fetch_and_##OP##_##N; \ - HIDDEN_FUNC(__sync_fetch_and_##OP##_##N); \ - .align 2; \ -__sync_fetch_and_##OP##_##N:; \ - mova 1f, r0; \ - nop; \ - mov r15, r1; \ - mov #(0f-1f), r15; \ -0: mov.##T @r4, r2; \ - mov r5, r3; \ - OP r2, r3; \ - mov.##T r3, @r4; \ -1: mov r1, r15; \ - rts; \ - EXT r2, r0; \ - ENDFUNC(__sync_fetch_and_##OP##_##N) - -ATOMIC_FETCH_AND_OP(add,1,b,extu.b) -ATOMIC_FETCH_AND_OP(add,2,w,extu.w) -ATOMIC_FETCH_AND_OP(add,4,l,mov) - -ATOMIC_FETCH_AND_OP(or,1,b,extu.b) -ATOMIC_FETCH_AND_OP(or,2,w,extu.w) -ATOMIC_FETCH_AND_OP(or,4,l,mov) - -ATOMIC_FETCH_AND_OP(and,1,b,extu.b) -ATOMIC_FETCH_AND_OP(and,2,w,extu.w) -ATOMIC_FETCH_AND_OP(and,4,l,mov) - -ATOMIC_FETCH_AND_OP(xor,1,b,extu.b) -ATOMIC_FETCH_AND_OP(xor,2,w,extu.w) -ATOMIC_FETCH_AND_OP(xor,4,l,mov) - -#define ATOMIC_FETCH_AND_COMBOP(OP,OP0,OP1,N,T,EXT) \ - .global __sync_fetch_and_##OP##_##N; \ - HIDDEN_FUNC(__sync_fetch_and_##OP##_##N); \ - .align 2; \ -__sync_fetch_and_##OP##_##N:; \ - mova 1f, r0; \ - mov r15, r1; \ - mov #(0f-1f), r15; \ -0: mov.##T @r4, r2; \ - mov r5, r3; \ - OP0 r2, r3; \ - OP1 r3, r3; \ - mov.##T r3, @r4; \ -1: mov r1, r15; \ - rts; \ - EXT r2, r0; \ - ENDFUNC(__sync_fetch_and_##OP##_##N) - -ATOMIC_FETCH_AND_COMBOP(sub,sub,neg,1,b,extu.b) -ATOMIC_FETCH_AND_COMBOP(sub,sub,neg,2,w,extu.w) -ATOMIC_FETCH_AND_COMBOP(sub,sub,neg,4,l,mov) - -ATOMIC_FETCH_AND_COMBOP(nand,and,not,1,b,extu.b) -ATOMIC_FETCH_AND_COMBOP(nand,and,not,2,w,extu.w) -ATOMIC_FETCH_AND_COMBOP(nand,and,not,4,l,mov) - -#define ATOMIC_OP_AND_FETCH(OP,N,T,EXT) \ - .global __sync_##OP##_and_fetch_##N; \ - HIDDEN_FUNC(__sync_##OP##_and_fetch_##N); \ - .align 2; \ -__sync_##OP##_and_fetch_##N:; \ - mova 1f, r0; \ - nop; \ - mov r15, r1; \ - mov #(0f-1f), r15; \ -0: mov.##T @r4, r2; \ - mov r5, r3; \ - OP r2, r3; \ - mov.##T r3, @r4; \ -1: mov r1, r15; \ - rts; \ - EXT r3, r0; \ - ENDFUNC(__sync_##OP##_and_fetch_##N) - -ATOMIC_OP_AND_FETCH(add,1,b,extu.b) -ATOMIC_OP_AND_FETCH(add,2,w,extu.w) -ATOMIC_OP_AND_FETCH(add,4,l,mov) - -ATOMIC_OP_AND_FETCH(or,1,b,extu.b) -ATOMIC_OP_AND_FETCH(or,2,w,extu.w) -ATOMIC_OP_AND_FETCH(or,4,l,mov) - -ATOMIC_OP_AND_FETCH(and,1,b,extu.b) -ATOMIC_OP_AND_FETCH(and,2,w,extu.w) -ATOMIC_OP_AND_FETCH(and,4,l,mov) - -ATOMIC_OP_AND_FETCH(xor,1,b,extu.b) -ATOMIC_OP_AND_FETCH(xor,2,w,extu.w) -ATOMIC_OP_AND_FETCH(xor,4,l,mov) - -#define ATOMIC_COMBOP_AND_FETCH(OP,OP0,OP1,N,T,EXT) \ - .global __sync_##OP##_and_fetch_##N; \ - HIDDEN_FUNC(__sync_##OP##_and_fetch_##N); \ - .align 2; \ -__sync_##OP##_and_fetch_##N:; \ - mova 1f, r0; \ - mov r15, r1; \ - mov #(0f-1f), r15; \ -0: mov.##T @r4, r2; \ - mov r5, r3; \ - OP0 r2, r3; \ - OP1 r3, r3; \ - mov.##T r3, @r4; \ -1: mov r1, r15; \ - rts; \ - EXT r3, r0; \ - ENDFUNC(__sync_##OP##_and_fetch_##N) - -ATOMIC_COMBOP_AND_FETCH(sub,sub,neg,1,b,extu.b) -ATOMIC_COMBOP_AND_FETCH(sub,sub,neg,2,w,extu.w) -ATOMIC_COMBOP_AND_FETCH(sub,sub,neg,4,l,mov) - -ATOMIC_COMBOP_AND_FETCH(nand,and,not,1,b,extu.b) -ATOMIC_COMBOP_AND_FETCH(nand,and,not,2,w,extu.w) -ATOMIC_COMBOP_AND_FETCH(nand,and,not,4,l,mov) - -.section .note.GNU-stack,"",%progbits -.previous - -#endif /* ! __SH5__ */ |