diff options
Diffstat (limited to 'src/runtime/asm_ppc64x.s')
| -rw-r--r-- | src/runtime/asm_ppc64x.s | 208 |
1 files changed, 0 insertions, 208 deletions
diff --git a/src/runtime/asm_ppc64x.s b/src/runtime/asm_ppc64x.s index 1946cc5c47..6f1191be02 100644 --- a/src/runtime/asm_ppc64x.s +++ b/src/runtime/asm_ppc64x.s @@ -453,217 +453,9 @@ CALLFN(·call268435456, 268435456) CALLFN(·call536870912, 536870912) CALLFN(·call1073741824, 1073741824) -// bool cas(uint32 *ptr, uint32 old, uint32 new) -// Atomically: -// if(*val == old){ -// *val = new; -// return 1; -// } else -// return 0; -TEXT runtime·cas(SB), NOSPLIT, $0-17 - MOVD ptr+0(FP), R3 - MOVWZ old+8(FP), R4 - MOVWZ new+12(FP), R5 -cas_again: - SYNC - LWAR (R3), R6 - CMPW R6, R4 - BNE cas_fail - STWCCC R5, (R3) - BNE cas_again - MOVD $1, R3 - SYNC - ISYNC - MOVB R3, ret+16(FP) - RET -cas_fail: - MOVD $0, R3 - BR -5(PC) - -// bool runtime·cas64(uint64 *ptr, uint64 old, uint64 new) -// Atomically: -// if(*val == *old){ -// *val = new; -// return 1; -// } else { -// return 0; -// } -TEXT runtime·cas64(SB), NOSPLIT, $0-25 - MOVD ptr+0(FP), R3 - MOVD old+8(FP), R4 - MOVD new+16(FP), R5 -cas64_again: - SYNC - LDAR (R3), R6 - CMP R6, R4 - BNE cas64_fail - STDCCC R5, (R3) - BNE cas64_again - MOVD $1, R3 - SYNC - ISYNC - MOVB R3, ret+24(FP) - RET -cas64_fail: - MOVD $0, R3 - BR -5(PC) - -TEXT runtime·casuintptr(SB), NOSPLIT, $0-25 - BR runtime·cas64(SB) - -TEXT runtime·atomicloaduintptr(SB), NOSPLIT|NOFRAME, $0-16 - BR runtime·atomicload64(SB) - -TEXT runtime·atomicloaduint(SB), NOSPLIT|NOFRAME, $0-16 - BR runtime·atomicload64(SB) - -TEXT runtime·atomicstoreuintptr(SB), NOSPLIT, $0-16 - BR runtime·atomicstore64(SB) - -// bool casp(void **val, void *old, void *new) -// Atomically: -// if(*val == old){ -// *val = new; -// return 1; -// } else -// return 0; -TEXT runtime·casp1(SB), NOSPLIT, $0-25 - BR runtime·cas64(SB) - -// uint32 xadd(uint32 volatile *ptr, int32 delta) -// Atomically: -// *val += delta; -// return *val; -TEXT runtime·xadd(SB), NOSPLIT, $0-20 - MOVD ptr+0(FP), R4 - MOVW delta+8(FP), R5 - SYNC - LWAR (R4), R3 - ADD R5, R3 - STWCCC R3, (R4) - BNE -4(PC) - SYNC - ISYNC - MOVW R3, ret+16(FP) - RET - -TEXT runtime·xadd64(SB), NOSPLIT, $0-24 - MOVD ptr+0(FP), R4 - MOVD delta+8(FP), R5 - SYNC - LDAR (R4), R3 - ADD R5, R3 - STDCCC R3, (R4) - BNE -4(PC) - SYNC - ISYNC - MOVD R3, ret+16(FP) - RET - -TEXT runtime·xchg(SB), NOSPLIT, $0-20 - MOVD ptr+0(FP), R4 - MOVW new+8(FP), R5 - SYNC - LWAR (R4), R3 - STWCCC R5, (R4) - BNE -3(PC) - SYNC - ISYNC - MOVW R3, ret+16(FP) - RET - -TEXT runtime·xchg64(SB), NOSPLIT, $0-24 - MOVD ptr+0(FP), R4 - MOVD new+8(FP), R5 - SYNC - LDAR (R4), R3 - STDCCC R5, (R4) - BNE -3(PC) - SYNC - ISYNC - MOVD R3, ret+16(FP) - RET - -TEXT runtime·xchguintptr(SB), NOSPLIT, $0-24 - BR runtime·xchg64(SB) - TEXT runtime·procyield(SB),NOSPLIT,$0-0 RET -TEXT runtime·atomicstorep1(SB), NOSPLIT, $0-16 - BR runtime·atomicstore64(SB) - -TEXT runtime·atomicstore(SB), NOSPLIT, $0-12 - MOVD ptr+0(FP), R3 - MOVW val+8(FP), R4 - SYNC - MOVW R4, 0(R3) - RET - -TEXT runtime·atomicstore64(SB), NOSPLIT, $0-16 - MOVD ptr+0(FP), R3 - MOVD val+8(FP), R4 - SYNC - MOVD R4, 0(R3) - RET - -// void runtime·atomicor8(byte volatile*, byte); -TEXT runtime·atomicor8(SB), NOSPLIT, $0-9 - MOVD ptr+0(FP), R3 - MOVBZ val+8(FP), R4 - // Align ptr down to 4 bytes so we can use 32-bit load/store. - // R5 = (R3 << 0) & ~3 - RLDCR $0, R3, $~3, R5 - // Compute val shift. -#ifdef GOARCH_ppc64 - // Big endian. ptr = ptr ^ 3 - XOR $3, R3 -#endif - // R6 = ((ptr & 3) * 8) = (ptr << 3) & (3*8) - RLDC $3, R3, $(3*8), R6 - // Shift val for aligned ptr. R4 = val << R6 - SLD R6, R4, R4 - -again: - SYNC - LWAR (R5), R6 - OR R4, R6 - STWCCC R6, (R5) - BNE again - SYNC - ISYNC - RET - -// void runtime·atomicand8(byte volatile*, byte); -TEXT runtime·atomicand8(SB), NOSPLIT, $0-9 - MOVD ptr+0(FP), R3 - MOVBZ val+8(FP), R4 - // Align ptr down to 4 bytes so we can use 32-bit load/store. - // R5 = (R3 << 0) & ~3 - RLDCR $0, R3, $~3, R5 - // Compute val shift. -#ifdef GOARCH_ppc64 - // Big endian. ptr = ptr ^ 3 - XOR $3, R3 -#endif - // R6 = ((ptr & 3) * 8) = (ptr << 3) & (3*8) - RLDC $3, R3, $(3*8), R6 - // Shift val for aligned ptr. R4 = val << R6 | ^(0xFF << R6) - MOVD $0xFF, R7 - SLD R6, R4 - SLD R6, R7 - XOR $-1, R7 - OR R7, R4 -again: - SYNC - LWAR (R5), R6 - AND R4, R6 - STWCCC R6, (R5) - BNE again - SYNC - ISYNC - RET - // void jmpdefer(fv, sp); // called from deferreturn. // 1. grab stored LR for caller |