TEXT ·Load(SB),NOSPLIT|NOFRAME,$-8-12
	MOVD	ptr+0(FP), R3
	SYNC
	MOVWZ	0(R3), R3
	CMPW	R3, R3, CR7
	BC	4, 30, 1(PC) // bne- cr7,0x4
	ISYNC
	MOVW	R3, ret+8(FP)
	RET

// uint8 ·Load8(uint8 volatile* ptr)
TEXT ·Load8(SB),NOSPLIT|NOFRAME,$-8-9
	MOVD	ptr+0(FP), R3
	SYNC
	MOVBZ	0(R3), R3
	CMP	R3, R3, CR7
	BC	4, 30, 1(PC) // bne- cr7,0x4
	ISYNC
	MOVB	R3, ret+8(FP)
	RET

// license that can be found in the LICENSE file.

#include "textflag.h"

// func syncIcache(p uintptr)
TEXT main·syncIcache(SB), NOSPLIT|NOFRAME, $0-0
	SYNC
	MOVD (R3), R3
	ICBI (R3)
	ISYNC

// license that can be found in the LICENSE file.

#include "textflag.h"

// func syncIcache(p uintptr)
TEXT main·syncIcache(SB), NOSPLIT|NOFRAME, $0-0
	SYNC
	MOVD (R3), R3
	ICBI (R3)
	ISYNC

	// will clobber the test pattern created by the caller
	ADD	$(1024 * 8), R1

	// Ask signaller to setgid
	MOVW	$1, R3
	SYNC
	MOVW	R3, ·Baton(SB)

	// Wait for setgid completion
loop:
	SYNC
	MOVW	·Baton(SB), R3
	CMP	R3, $0
	// Hint that we're in a spin loop
	OR	R1, R1, R1
	BNE	loop
	ISYNC

	// Restore stack
	SUB	$(1024 * 8), R1

	"SUBMEV",
	"SUBV",
	"SUBE",
	"SUBECC",
	"SUBEV",
	"SUBEVCC",
	"SUBZE",
	"SUBZECC",
	"SUBZEVCC",
	"SUBZEV",
	"SYNC",
	"XOR",
	"XORCC",
	"XORIS",
	"DCBF",
	"DCBI",
	"DCBST",
	"DCBT",
	"DCBTST",
	"DCBZ",
	"EIEIO",
	"ICBI",
	"ISYNC",
	"PTESYNC",
	"TLBIE",
	"TLBIEL",
	"TLBSYNC",
	"TW",
	"SYSCALL",
	"WORD",
	"RFCI",
	"FCPSGN",
	"FCPSGNCC",

		p2.To.Type = obj.TYPE_BRANCH
		p2.To.SetTarget(p)
		// ISYNC
		pisync := s.Prog(ppc64.AISYNC)
		pisync.To.Type = obj.TYPE_NONE

	case ssa.OpPPC64LoweredAtomicLoad8,
		ssa.OpPPC64LoweredAtomicLoad32,
		ssa.OpPPC64LoweredAtomicLoad64,
		ssa.OpPPC64LoweredAtomicLoadPtr:
		// SYNC
		// MOVB/MOVD/MOVW (Rarg0), Rout
		// CMP Rout,Rout
		// BNE 1(PC)
		// ISYNC
		ld := ppc64.AMOVD
		cmp := ppc64.ACMP

	CMPW	R3, $27 // 27 == SIGPROF
	BNE	sigtramp

	// Lock sigprofCallersUse (cas from 0 to 1).
	MOVW	$1, R7
	MOVD	$runtime·sigprofCallersUse(SB), R8
	SYNC
	LWAR    (R8), R6
	CMPW    $0, R6
	BNE     sigtramp
	STWCCC  R7, (R8)
	BNE     -4(PC)
	ISYNC

	// Jump to the traceback function in runtime/cgo.
	// It will call back to sigprofNonGo, which will ignore the
	// arguments passed in registers.

		// atomic exchange32, 64
		// LWSYNC
		// LDAR         (Rarg0), Rout
		// STDCCC       Rarg1, (Rarg0)
		// BNE          -2(PC)
		// ISYNC
		// return old val
		{name: "LoweredAtomicExchange32", argLength: 3, reg: gpxchg, resultNotInArgs: true, clobberFlags: true, faultOnNilArg0: true, hasSideEffects: true},

	STHCCC R3, (R4)                 // 7c6025ad
	STSW R3, (R4)(R5)               // 7c65252a
	STSW R3, (R4)(R0)               // 7c60252a
	STSW R3, (R4)                   // 7c60252a

	SYNC                            // 7c0004ac
	ISYNC                           // 4c00012c
	LWSYNC                          // 7c2004ac
	EIEIO                           // 7c0006ac
	PTESYNC                         // 7c4004ac

	FNMADDCC:       "fnmadd.",
	FNMSUB:         "fnmsub",
	FNMSUBCC:       "fnmsub.",
	FRSP:           "frsp",
	FRSPCC:         "frsp.",
	FSUB:           "fsub",
	FSUBCC:         "fsub.",
	ISYNC:          "isync",
	LBZ:            "lbz",
	LBZU:           "lbzu",
	LBZUX:          "lbzux",
	LBZX:           "lbzx",
	LFD:            "lfd",
	LFDU:           "lfdu",
	LFDUX:          "lfdux",