gpspsbg    = gpspg | buildReg("SB")
		fp         = buildReg("F0 F1 F2 F3 F4 F5 F6 F7 F8 F9 F10 F11 F12 F13 F14 F15 F16 F17 F18 F19 F20 F21 F22 F23 F24 F25 F26 F27 F28 F29 F30 F31")
		callerSave = gp | fp | buildReg("g") // runtime.setg (and anything calling it) may clobber g
		r1         = buildReg("R20")
		r2         = buildReg("R21")
		r3         = buildReg("R23")
		r4         = buildReg("R24")
	)
	// Common regInfo
	var (

		lo         = buildReg("LO")
		hi         = buildReg("HI")
		callerSave = gp | fp | lo | hi | buildReg("g") // runtime.setg (and anything calling it) may clobber g
		r1         = buildReg("R1")
		r2         = buildReg("R2")
		r3         = buildReg("R3")
		r4         = buildReg("R4")
	)
	// Common regInfo
	var (

		{name: "SETL", argLength: 1, reg: readflags, asm: "SETLT"},  // extract signed < condition from arg0
		{name: "SETLE", argLength: 1, reg: readflags, asm: "SETLE"}, // extract signed <= condition from arg0
		{name: "SETG", argLength: 1, reg: readflags, asm: "SETGT"},  // extract signed > condition from arg0
		{name: "SETGE", argLength: 1, reg: readflags, asm: "SETGE"}, // extract signed >= condition from arg0

		fp         = buildReg("F0 F2 F4 F6 F8 F10 F12 F14 F16 F18 F20 F22 F24 F26 F28 F30")
		lo         = buildReg("LO")
		hi         = buildReg("HI")
		callerSave = gp | fp | lo | hi | buildReg("g") // runtime.setg (and anything calling it) may clobber g
		r1         = buildReg("R1")
		r2         = buildReg("R2")
		r3         = buildReg("R3")
		r4         = buildReg("R4")
		r5         = buildReg("R5")
	)
	// Common regInfo

func dropm() {
	// Clear m and g, and return m to the extra list.
	// After the call to setg we can only call nosplit functions
	// with no pointer manipulation.
	mp := getg().m

	// Emit a trace event for this syscall -> dead transition.
	//
	// N.B. the tracer can run on a bare M just fine, we just have
	// to make sure to do this before setg(nil) and unminit.
	var trace traceLocker
	if !mp.isExtraInSig {

	return false
}
func rewriteValue386_Op386SETG(v *Value) bool {
	v_0 := v.Args[0]
	// match: (SETG (InvertFlags x))
	// result: (SETL x)
	for {
		if v_0.Op != Op386InvertFlags {
			break
		}
		x := v_0.Args[0]
		v.reset(Op386SETL)
		v.AddArg(x)
		return true
	}
	// match: (SETG (FlagEQ))
	// result: (MOVLconst [0])
	for {
		if v_0.Op != Op386FlagEQ {
			break
		}

	MOVD	8(R12), R2
	MOVD	(R12), R12
#endif
	MOVD	R12, CTR		// r12 = "global function entry point"
	MOVD	R13, R5			// arg 2: TLS base pointer
	MOVD	$setg_gcc<>(SB), R4 	// arg 1: setg
	MOVD	g, R3			// arg 0: G
	// C functions expect 32 (48 for AIX) bytes of space on caller
	// stack frame and a 16-byte aligned R1
	MOVD	R1, R14			// save current stack
	SUB	$cgoCalleeStackSize, R1	// reserve the callee area

	MOVD	R0, R3			// arg 3: TLS base pointer
	MOVD	$runtime·tls_g(SB), R2 	// arg 2: &tls_g
#else
	MOVD	$0, R2		        // arg 2: not used when using platform's TLS
#endif
	MOVD	$setg_gcc<>(SB), R1	// arg 1: setg
	MOVD	g, R0			// arg 0: G
	SUB	$16, RSP		// reserve 16 bytes for sp-8 where fp may be saved.
	BL	(R12)
	ADD	$16, RSP

nocgo:
	BL	runtime·save_g(SB)
	// update stackguard after _cgo_init

		x15        = buildReg("X15")
		gpsp       = gp | buildReg("SP")
		gpspsb     = gpsp | buildReg("SB")
		gpspsbg    = gpspsb | g
		callerSave = gp | fp | g // runtime.setg (and anything calling it) may clobber g
	)
	// Common slices of register masks
	var (
		gponly = []regMask{gp}
		fponly = []regMask{fp}
	)

	// Common regInfo
	var (

		gpspg      = gpg | buildReg("SP")
		gpspsbg    = gpspg | buildReg("SB")
		fp         = buildReg("F0 F1 F2 F3 F4 F5 F6 F7 F8 F9 F10 F11 F12 F13 F14 F15")
		callerSave = gp | fp | buildReg("g") // runtime.setg (and anything calling it) may clobber g
		r0         = buildReg("R0")
		r1         = buildReg("R1")
		r2         = buildReg("R2")
		r3         = buildReg("R3")
		r4         = buildReg("R4")
	)
	// Common regInfo