b := v.Block
	typ := &b.Func.Config.Types
	// match: (Neg32F x)
	// result: (PXOR x (MOVSSconst <typ.Float32> [float32(math.Copysign(0, -1))]))
	for {
		x := v_0
		v.reset(Op386PXOR)
		v0 := b.NewValue0(v.Pos, Op386MOVSSconst, typ.Float32)
		v0.AuxInt = float32ToAuxInt(float32(math.Copysign(0, -1)))
		v.AddArg2(x, v0)
		return true
	}
}
func rewriteValue386_OpNeg64F(v *Value) bool {
	v_0 := v.Args[0]

			return s.newValue1(ssa.OpAbs, types.Types[types.TFLOAT64], args[0])
		},
		sys.ARM64, sys.ARM, sys.PPC64, sys.RISCV64, sys.Wasm, sys.MIPS, sys.MIPS64)
	addF("math", "Copysign",
		func(s *state, n *ir.CallExpr, args []*ssa.Value) *ssa.Value {
			return s.newValue2(ssa.OpCopysign, types.Types[types.TFLOAT64], args[0], args[1])
		},
		sys.PPC64, sys.RISCV64, sys.Wasm)
	addF("math", "FMA",

	for {
		v.reset(OpPPC64MOVDconst)
		v.AuxInt = int64ToAuxInt(0)
		return true
	}
}
func rewriteValuePPC64_OpCopysign(v *Value) bool {
	v_1 := v.Args[1]
	v_0 := v.Args[0]
	// match: (Copysign x y)
	// result: (FCPSGN y x)
	for {
		x := v_0
		y := v_1
		v.reset(OpPPC64FCPSGN)
		v.AddArg2(y, x)
		return true
	}
}
func rewriteValuePPC64_OpCtz16(v *Value) bool {