diff options
Diffstat (limited to 'src/runtime/asm_amd64p32.s')
| -rw-r--r-- | src/runtime/asm_amd64p32.s | 139 |
1 files changed, 0 insertions, 139 deletions
diff --git a/src/runtime/asm_amd64p32.s b/src/runtime/asm_amd64p32.s index 78033e1b82..aeb9d131b2 100644 --- a/src/runtime/asm_amd64p32.s +++ b/src/runtime/asm_amd64p32.s @@ -415,111 +415,6 @@ CALLFN(·call268435456, 268435456) CALLFN(·call536870912, 536870912) CALLFN(·call1073741824, 1073741824) -// bool cas(int32 *val, int32 old, int32 new) -// Atomically: -// if(*val == old){ -// *val = new; -// return 1; -// } else -// return 0; -TEXT runtime·cas(SB), NOSPLIT, $0-17 - MOVL ptr+0(FP), BX - MOVL old+4(FP), AX - MOVL new+8(FP), CX - LOCK - CMPXCHGL CX, 0(BX) - SETEQ ret+16(FP) - RET - -TEXT runtime·casuintptr(SB), NOSPLIT, $0-17 - JMP runtime·cas(SB) - -TEXT runtime·atomicloaduintptr(SB), NOSPLIT, $0-12 - JMP runtime·atomicload(SB) - -TEXT runtime·atomicloaduint(SB), NOSPLIT, $0-12 - JMP runtime·atomicload(SB) - -TEXT runtime·atomicstoreuintptr(SB), NOSPLIT, $0-12 - JMP runtime·atomicstore(SB) - -// bool runtime·cas64(uint64 *val, uint64 old, uint64 new) -// Atomically: -// if(*val == *old){ -// *val = new; -// return 1; -// } else { -// return 0; -// } -TEXT runtime·cas64(SB), NOSPLIT, $0-25 - MOVL ptr+0(FP), BX - MOVQ old+8(FP), AX - MOVQ new+16(FP), CX - LOCK - CMPXCHGQ CX, 0(BX) - SETEQ ret+24(FP) - RET - -// bool casp(void **val, void *old, void *new) -// Atomically: -// if(*val == old){ -// *val = new; -// return 1; -// } else -// return 0; -TEXT runtime·casp1(SB), NOSPLIT, $0-17 - MOVL ptr+0(FP), BX - MOVL old+4(FP), AX - MOVL new+8(FP), CX - LOCK - CMPXCHGL CX, 0(BX) - SETEQ ret+16(FP) - RET - -// uint32 xadd(uint32 volatile *val, int32 delta) -// Atomically: -// *val += delta; -// return *val; -TEXT runtime·xadd(SB), NOSPLIT, $0-12 - MOVL ptr+0(FP), BX - MOVL delta+4(FP), AX - MOVL AX, CX - LOCK - XADDL AX, 0(BX) - ADDL CX, AX - MOVL AX, ret+8(FP) - RET - -TEXT runtime·xadd64(SB), NOSPLIT, $0-24 - MOVL ptr+0(FP), BX - MOVQ delta+8(FP), AX - MOVQ AX, CX - LOCK - XADDQ AX, 0(BX) - ADDQ CX, AX - MOVQ AX, ret+16(FP) - RET - -TEXT runtime·xadduintptr(SB), NOSPLIT, $0-12 - JMP runtime·xadd(SB) - -TEXT runtime·xchg(SB), NOSPLIT, $0-12 - MOVL ptr+0(FP), BX - MOVL new+4(FP), AX - XCHGL AX, 0(BX) - MOVL AX, ret+8(FP) - RET - -TEXT runtime·xchg64(SB), NOSPLIT, $0-24 - MOVL ptr+0(FP), BX - MOVQ new+8(FP), AX - XCHGQ AX, 0(BX) - MOVQ AX, ret+16(FP) - RET - -TEXT runtime·xchguintptr(SB), NOSPLIT, $0-12 - JMP runtime·xchg(SB) - TEXT runtime·procyield(SB),NOSPLIT,$0-0 MOVL cycles+0(FP), AX again: @@ -528,40 +423,6 @@ again: JNZ again RET -TEXT runtime·atomicstorep1(SB), NOSPLIT, $0-8 - MOVL ptr+0(FP), BX - MOVL val+4(FP), AX - XCHGL AX, 0(BX) - RET - -TEXT runtime·atomicstore(SB), NOSPLIT, $0-8 - MOVL ptr+0(FP), BX - MOVL val+4(FP), AX - XCHGL AX, 0(BX) - RET - -TEXT runtime·atomicstore64(SB), NOSPLIT, $0-16 - MOVL ptr+0(FP), BX - MOVQ val+8(FP), AX - XCHGQ AX, 0(BX) - RET - -// void runtime·atomicor8(byte volatile*, byte); -TEXT runtime·atomicor8(SB), NOSPLIT, $0-5 - MOVL ptr+0(FP), BX - MOVB val+4(FP), AX - LOCK - ORB AX, 0(BX) - RET - -// void runtime·atomicand8(byte volatile*, byte); -TEXT runtime·atomicand8(SB), NOSPLIT, $0-5 - MOVL ptr+0(FP), BX - MOVB val+4(FP), AX - LOCK - ANDB AX, 0(BX) - RET - TEXT ·publicationBarrier(SB),NOSPLIT,$0-0 // Stores are already ordered on x86, so this is just a // compile barrier. |