The Tor Browser / file comparison
comparison: nsprpub/pr/src/md/unix/os_Irix.s
nsprpub/pr/src/md/unix/os_Irix.s
- branch
- TOR_BUG_3246
- changeset 5
- 4ab42b5ab56c
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| -1:000000000000 | 0:f408f86be1eb |
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| 1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ | |
| 2 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 3 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 5 | |
| 6 /* | |
| 7 * Atomically add a new element to the top of the stack | |
| 8 * | |
| 9 * usage : PR_StackPush(listp, elementp); | |
| 10 * ----------------------- | |
| 11 */ | |
| 12 | |
| 13 #include "md/_irix.h" | |
| 14 #ifdef _PR_HAVE_ATOMIC_CAS | |
| 15 | |
| 16 #include <sys/asm.h> | |
| 17 #include <sys/regdef.h> | |
| 18 | |
| 19 LEAF(PR_StackPush) | |
| 20 | |
| 21 retry_push: | |
| 22 .set noreorder | |
| 23 lw v0,0(a0) | |
| 24 li t1,1 | |
| 25 beq v0,t1,retry_push | |
| 26 move t0,a1 | |
| 27 | |
| 28 ll v0,0(a0) | |
| 29 beq v0,t1,retry_push | |
| 30 nop | |
| 31 sc t1,0(a0) | |
| 32 beq t1,0,retry_push | |
| 33 nop | |
| 34 sw v0,0(a1) | |
| 35 sync | |
| 36 sw t0,0(a0) | |
| 37 nop | |
| 38 nop | |
| 39 nop | |
| 40 nop | |
| 41 nop | |
| 42 nop | |
| 43 nop | |
| 44 nop | |
| 45 nop | |
| 46 nop | |
| 47 nop | |
| 48 nop | |
| 49 nop | |
| 50 nop | |
| 51 nop | |
| 52 nop | |
| 53 nop | |
| 54 nop | |
| 55 nop | |
| 56 nop | |
| 57 nop | |
| 58 nop | |
| 59 nop | |
| 60 nop | |
| 61 nop | |
| 62 nop | |
| 63 nop | |
| 64 nop | |
| 65 jr ra | |
| 66 nop | |
| 67 | |
| 68 END(PR_StackPush) | |
| 69 | |
| 70 /* | |
| 71 * | |
| 72 * Atomically remove the element at the top of the stack | |
| 73 * | |
| 74 * usage : elemep = PR_StackPop(listp); | |
| 75 * | |
| 76 */ | |
| 77 | |
| 78 LEAF(PR_StackPop) | |
| 79 retry_pop: | |
| 80 .set noreorder | |
| 81 | |
| 82 | |
| 83 lw v0,0(a0) | |
| 84 li t1,1 | |
| 85 beq v0,0,done | |
| 86 nop | |
| 87 beq v0,t1,retry_pop | |
| 88 nop | |
| 89 | |
| 90 ll v0,0(a0) | |
| 91 beq v0,0,done | |
| 92 nop | |
| 93 beq v0,t1,retry_pop | |
| 94 nop | |
| 95 sc t1,0(a0) | |
| 96 beq t1,0,retry_pop | |
| 97 nop | |
| 98 lw t0,0(v0) | |
| 99 sw t0,0(a0) | |
| 100 done: | |
| 101 nop | |
| 102 nop | |
| 103 nop | |
| 104 nop | |
| 105 nop | |
| 106 nop | |
| 107 nop | |
| 108 nop | |
| 109 nop | |
| 110 nop | |
| 111 nop | |
| 112 nop | |
| 113 nop | |
| 114 nop | |
| 115 nop | |
| 116 nop | |
| 117 nop | |
| 118 nop | |
| 119 nop | |
| 120 nop | |
| 121 nop | |
| 122 nop | |
| 123 nop | |
| 124 nop | |
| 125 nop | |
| 126 nop | |
| 127 nop | |
| 128 nop | |
| 129 jr ra | |
| 130 nop | |
| 131 | |
| 132 END(PR_StackPop) | |
| 133 | |
| 134 #endif /* _PR_HAVE_ATOMIC_CAS */ |
