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[dev.power64] sync/atomic: implement for asm_power64x.s
LGTM=rsc R=rsc, iant CC=golang-codereviews https://golang.org/cl/124220043
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src/pkg/sync/atomic/asm_power64x.s
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184
src/pkg/sync/atomic/asm_power64x.s
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// Copyright 2014 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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// +build power64 power64le
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#include "../../../cmd/ld/textflag.h"
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TEXT ·SwapInt32(SB),NOSPLIT,$0-20
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BR ·SwapUint32(SB)
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TEXT ·SwapUint32(SB),NOSPLIT,$0-20
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MOVD addr+0(FP), R3
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MOVW new+8(FP), R4
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SYNC
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LWAR (R3), R5
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STWCCC R4, (R3)
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BNE -3(PC)
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SYNC
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ISYNC
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MOVW R5, old+16(FP)
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RETURN
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TEXT ·SwapInt64(SB),NOSPLIT,$0-24
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BR ·SwapUint64(SB)
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TEXT ·SwapUint64(SB),NOSPLIT,$0-24
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MOVD addr+0(FP), R3
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MOVD new+8(FP), R4
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SYNC
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LDAR (R3), R5
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STDCCC R4, (R3)
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BNE -3(PC)
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SYNC
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ISYNC
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MOVD R5, old+16(FP)
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RETURN
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TEXT ·SwapUintptr(SB),NOSPLIT,$0-24
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BR ·SwapUint64(SB)
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TEXT ·SwapPointer(SB),NOSPLIT,$0-24
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BR ·SwapUint64(SB)
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TEXT ·CompareAndSwapInt32(SB),NOSPLIT,$0-17
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BR ·CompareAndSwapUint32(SB)
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TEXT ·CompareAndSwapUint32(SB),NOSPLIT,$0-17
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MOVD addr+0(FP), R3
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MOVW old+8(FP), R4
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MOVW new+12(FP), R5
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SYNC
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LWAR (R3), R6
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CMPW R6, R4
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BNE 8(PC)
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STWCCC R5, (R3)
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BNE -5(PC)
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SYNC
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ISYNC
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MOVD $1, R3
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MOVB R3, swapped+16(FP)
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RETURN
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MOVB R0, swapped+16(FP)
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RETURN
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TEXT ·CompareAndSwapUintptr(SB),NOSPLIT,$0-25
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BR ·CompareAndSwapUint64(SB)
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TEXT ·CompareAndSwapPointer(SB),NOSPLIT,$0-25
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BR ·CompareAndSwapUint64(SB)
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TEXT ·CompareAndSwapInt64(SB),NOSPLIT,$0-25
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BR ·CompareAndSwapUint64(SB)
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TEXT ·CompareAndSwapUint64(SB),NOSPLIT,$0-25
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MOVD addr+0(FP), R3
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MOVD old+8(FP), R4
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MOVD new+16(FP), R5
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SYNC
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LDAR (R3), R6
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CMP R6, R4
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BNE 8(PC)
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STDCCC R5, (R3)
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BNE -5(PC)
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SYNC
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ISYNC
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MOVD $1, R3
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MOVB R3, swapped+24(FP)
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RETURN
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MOVB R0, swapped+24(FP)
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RETURN
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TEXT ·AddInt32(SB),NOSPLIT,$0-20
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BR ·AddUint32(SB)
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TEXT ·AddUint32(SB),NOSPLIT,$0-20
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MOVD addr+0(FP), R3
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MOVW delta+8(FP), R4
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SYNC
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LWAR (R3), R5
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ADD R4, R5
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STWCCC R5, (R3)
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BNE -4(PC)
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SYNC
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ISYNC
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MOVW R5, ret+16(FP)
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RETURN
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TEXT ·AddUintptr(SB),NOSPLIT,$0-24
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BR ·AddUint64(SB)
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TEXT ·AddInt64(SB),NOSPLIT,$0-24
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BR ·AddUint64(SB)
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TEXT ·AddUint64(SB),NOSPLIT,$0-24
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MOVD addr+0(FP), R3
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MOVD delta+8(FP), R4
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SYNC
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LDAR (R3), R5
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ADD R4, R5
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STDCCC R5, (R3)
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BNE -4(PC)
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SYNC
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ISYNC
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MOVD R5, ret+16(FP)
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RETURN
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TEXT ·LoadInt32(SB),NOSPLIT,$0-12
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BR ·LoadUint32(SB)
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TEXT ·LoadUint32(SB),NOSPLIT,$0-12
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MOVD addr+0(FP), R3
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SYNC
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MOVW 0(R3), R3
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CMPW R3, R3, CR7
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BC 4, 30, 1(PC) // bne- cr7,0x4
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ISYNC
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MOVW R3, val+8(FP)
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RETURN
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TEXT ·LoadInt64(SB),NOSPLIT,$0-16
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BR ·LoadUint64(SB)
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TEXT ·LoadUint64(SB),NOSPLIT,$0-16
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MOVD addr+0(FP), R3
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SYNC
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MOVD 0(R3), R3
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CMP R3, R3, CR7
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BC 4, 30, 1(PC) // bne- cr7,0x4
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ISYNC
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MOVD R3, val+8(FP)
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RETURN
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TEXT ·LoadUintptr(SB),NOSPLIT,$0-16
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BR ·LoadPointer(SB)
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TEXT ·LoadPointer(SB),NOSPLIT,$0-16
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BR ·LoadUint64(SB)
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TEXT ·StoreInt32(SB),NOSPLIT,$0-12
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BR ·StoreUint32(SB)
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TEXT ·StoreUint32(SB),NOSPLIT,$0-12
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MOVD addr+0(FP), R3
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MOVW val+8(FP), R4
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SYNC
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MOVW R4, 0(R3)
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RETURN
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TEXT ·StoreInt64(SB),NOSPLIT,$0-16
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BR ·StoreUint64(SB)
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TEXT ·StoreUint64(SB),NOSPLIT,$0-16
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MOVD addr+0(FP), R3
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MOVD val+8(FP), R4
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SYNC
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MOVD R4, 0(R3)
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RETURN
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TEXT ·StoreUintptr(SB),NOSPLIT,$0-16
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BR ·StorePointer(SB)
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TEXT ·StorePointer(SB),NOSPLIT,$0-16
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BR ·StoreUint64(SB)
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