‰PNG  IHDRôxÔúsBIT|dˆ pHYsÄÄ•+tEXtSoftwarewww.inkscape.org›î<,àtEXtComment // Copyright 2015 The Go Authors. All rights reserved. // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. // Note: some of these functions are semantically inlined // by the compiler (in src/cmd/compile/internal/gc/ssa.go). #include "textflag.h" TEXT ·Loaduintptr(SB), NOSPLIT, $0-16 JMP ·Load64(SB) TEXT ·Loaduint(SB), NOSPLIT, $0-16 JMP ·Load64(SB) TEXT ·Loadint32(SB), NOSPLIT, $0-12 JMP ·Load(SB) TEXT ·Loadint64(SB), NOSPLIT, $0-16 JMP ·Load64(SB) // bool Cas(int32 *val, int32 old, int32 new) // Atomically: // if(*val == old){ // *val = new; // return 1; // } else // return 0; TEXT ·Cas(SB),NOSPLIT,$0-17 MOVQ ptr+0(FP), BX MOVL old+8(FP), AX MOVL new+12(FP), CX LOCK CMPXCHGL CX, 0(BX) SETEQ ret+16(FP) RET // bool ·Cas64(uint64 *val, uint64 old, uint64 new) // Atomically: // if(*val == old){ // *val = new; // return 1; // } else { // return 0; // } TEXT ·Cas64(SB), NOSPLIT, $0-25 MOVQ 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 Casp1(void **val, void *old, void *new) // Atomically: // if(*val == old){ // *val = new; // return 1; // } else // return 0; TEXT ·Casp1(SB), NOSPLIT, $0-25 MOVQ ptr+0(FP), BX MOVQ old+8(FP), AX MOVQ new+16(FP), CX LOCK CMPXCHGQ CX, 0(BX) SETEQ ret+24(FP) RET TEXT ·Casint32(SB), NOSPLIT, $0-17 JMP ·Cas(SB) TEXT ·Casint64(SB), NOSPLIT, $0-25 JMP ·Cas64(SB) TEXT ·Casuintptr(SB), NOSPLIT, $0-25 JMP ·Cas64(SB) TEXT ·CasRel(SB), NOSPLIT, $0-17 JMP ·Cas(SB) // uint32 Xadd(uint32 volatile *val, int32 delta) // Atomically: // *val += delta; // return *val; TEXT ·Xadd(SB), NOSPLIT, $0-20 MOVQ ptr+0(FP), BX MOVL delta+8(FP), AX MOVL AX, CX LOCK XADDL AX, 0(BX) ADDL CX, AX MOVL AX, ret+16(FP) RET // uint64 Xadd64(uint64 volatile *val, int64 delta) // Atomically: // *val += delta; // return *val; TEXT ·Xadd64(SB), NOSPLIT, $0-24 MOVQ 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 ·Xaddint32(SB), NOSPLIT, $0-20 JMP ·Xadd(SB) TEXT ·Xaddint64(SB), NOSPLIT, $0-24 JMP ·Xadd64(SB) TEXT ·Xadduintptr(SB), NOSPLIT, $0-24 JMP ·Xadd64(SB) // uint32 Xchg(ptr *uint32, new uint32) // Atomically: // old := *ptr; // *ptr = new; // return old; TEXT ·Xchg(SB), NOSPLIT, $0-20 MOVQ ptr+0(FP), BX MOVL new+8(FP), AX XCHGL AX, 0(BX) MOVL AX, ret+16(FP) RET // uint64 Xchg64(ptr *uint64, new uint64) // Atomically: // old := *ptr; // *ptr = new; // return old; TEXT ·Xchg64(SB), NOSPLIT, $0-24 MOVQ ptr+0(FP), BX MOVQ new+8(FP), AX XCHGQ AX, 0(BX) MOVQ AX, ret+16(FP) RET TEXT ·Xchgint32(SB), NOSPLIT, $0-20 JMP ·Xchg(SB) TEXT ·Xchgint64(SB), NOSPLIT, $0-24 JMP ·Xchg64(SB) TEXT ·Xchguintptr(SB), NOSPLIT, $0-24 JMP ·Xchg64(SB) TEXT ·StorepNoWB(SB), NOSPLIT, $0-16 MOVQ ptr+0(FP), BX MOVQ val+8(FP), AX XCHGQ AX, 0(BX) RET TEXT ·Store(SB), NOSPLIT, $0-12 MOVQ ptr+0(FP), BX MOVL val+8(FP), AX XCHGL AX, 0(BX) RET TEXT ·Store8(SB), NOSPLIT, $0-9 MOVQ ptr+0(FP), BX MOVB val+8(FP), AX XCHGB AX, 0(BX) RET TEXT ·Store64(SB), NOSPLIT, $0-16 MOVQ ptr+0(FP), BX MOVQ val+8(FP), AX XCHGQ AX, 0(BX) RET TEXT ·Storeint32(SB), NOSPLIT, $0-12 JMP ·Store(SB) TEXT ·Storeint64(SB), NOSPLIT, $0-16 JMP ·Store64(SB) TEXT ·Storeuintptr(SB), NOSPLIT, $0-16 JMP ·Store64(SB) TEXT ·StoreRel(SB), NOSPLIT, $0-12 JMP ·Store(SB) TEXT ·StoreRel64(SB), NOSPLIT, $0-16 JMP ·Store64(SB) TEXT ·StoreReluintptr(SB), NOSPLIT, $0-16 JMP ·Store64(SB) // void ·Or8(byte volatile*, byte); TEXT ·Or8(SB), NOSPLIT, $0-9 MOVQ ptr+0(FP), AX MOVB val+8(FP), BX LOCK ORB BX, (AX) RET // void ·And8(byte volatile*, byte); TEXT ·And8(SB), NOSPLIT, $0-9 MOVQ ptr+0(FP), AX MOVB val+8(FP), BX LOCK ANDB BX, (AX) RET // func Or(addr *uint32, v uint32) TEXT ·Or(SB), NOSPLIT, $0-12 MOVQ ptr+0(FP), AX MOVL val+8(FP), BX LOCK ORL BX, (AX) RET // func And(addr *uint32, v uint32) TEXT ·And(SB), NOSPLIT, $0-12 MOVQ ptr+0(FP), AX MOVL val+8(FP), BX LOCK ANDL BX, (AX) RET // func Or32(addr *uint32, v uint32) old uint32 TEXT ·Or32(SB), NOSPLIT, $0-20 MOVQ ptr+0(FP), BX MOVL val+8(FP), CX casloop: MOVL CX, DX MOVL (BX), AX ORL AX, DX LOCK CMPXCHGL DX, (BX) JNZ casloop MOVL AX, ret+16(FP) RET // func And32(addr *uint32, v uint32) old uint32 TEXT ·And32(SB), NOSPLIT, $0-20 MOVQ ptr+0(FP), BX MOVL val+8(FP), CX casloop: MOVL CX, DX MOVL (BX), AX ANDL AX, DX LOCK CMPXCHGL DX, (BX) JNZ casloop MOVL AX, ret+16(FP) RET // func Or64(addr *uint64, v uint64) old uint64 TEXT ·Or64(SB), NOSPLIT, $0-24 MOVQ ptr+0(FP), BX MOVQ val+8(FP), CX casloop: MOVQ CX, DX MOVQ (BX), AX ORQ AX, DX LOCK CMPXCHGQ DX, (BX) JNZ casloop MOVQ AX, ret+16(FP) RET // func And64(addr *uint64, v uint64) old uint64 TEXT ·And64(SB), NOSPLIT, $0-24 MOVQ ptr+0(FP), BX MOVQ val+8(FP), CX casloop: MOVQ CX, DX MOVQ (BX), AX ANDQ AX, DX LOCK CMPXCHGQ DX, (BX) JNZ casloop MOVQ AX, ret+16(FP) RET // func Anduintptr(addr *uintptr, v uintptr) old uintptr TEXT ·Anduintptr(SB), NOSPLIT, $0-24 JMP ·And64(SB) // func Oruintptr(addr *uintptr, v uintptr) old uintptr TEXT ·Oruintptr(SB), NOSPLIT, $0-24 JMP ·Or64(SB)