diff options
Diffstat (limited to 'src/runtime/internal/atomic/atomic_amd64.s')
| -rw-r--r-- | src/runtime/internal/atomic/atomic_amd64.s | 289 |
1 files changed, 0 insertions, 289 deletions
diff --git a/src/runtime/internal/atomic/atomic_amd64.s b/src/runtime/internal/atomic/atomic_amd64.s deleted file mode 100644 index ec75bf9332..0000000000 --- a/src/runtime/internal/atomic/atomic_amd64.s +++ /dev/null @@ -1,289 +0,0 @@ -// 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) |