ADDSD   X0, X1
	MULSD   X1, X0
	MOVSD   exprodata<>+16(SB), X1
	ADDSD   X0, X1
	MULSD   X1, X0
	ADDSD exprodata<>+8(SB), X0
	// return fr * 2**exponent
ldexp:
	ADDL    $0x3FF, BX // add bias
	JLE     denormal
	CMPL    BX, $0x7FF
	JGE     overflow
lastStep:
	SHLQ    $52, BX
	MOVQ    BX, X1
	MULSD   X1, X0
	MOVSD   X0, ret+8(FP)
	RET
notFinite:
	// test bits for -Inf
	MOVQ    $NegInf, AX

//go:build ppc64 && aix

package unix

const (
	SizeofPtr      = 0x8
	SizeofShort    = 0x2
	SizeofInt      = 0x4
	SizeofLong     = 0x8
	SizeofLongLong = 0x8
	PathMax        = 0x3ff
)

type (
	_C_short     int16
	_C_int       int32
	_C_long      int64
	_C_long_long int64
)

type off64 int64
type off int64
type Mode_t uint32

type Timespec struct {
	Sec  int64

	0xfde: 0x3e1d, 0xfdf: 0x3e35, 0xfe0: 0x3e4d, 0xfe1: 0x3e65, 0xfe2: 0x3e7d, 0xfe3: 0x3e95,
	0xfe4: 0x3ead, 0xfe5: 0x3ead, 0xfe6: 0x3ec5, 0xfe7: 0x3ec5, 0xfe8: 0x3edd, 0xfe9: 0x3edd,
	0xfea: 0x3ef5, 0xfeb: 0x3f0d, 0xfec: 0x3f25, 0xfed: 0x3f3d, 0xfee: 0x3f55, 0xfef: 0x3f55,
	0xff0: 0x3f6d, 0xff1: 0x3f6d, 0xff2: 0x3f6d, 0xff3: 0x3f85, 0xff4: 0x3f9d, 0xff5: 0x3fb5,

			SetRGBA64(x, y int, c color.RGBA64)
		}:
			tc.SetRGBA64(1, 1, color.RGBA64{0x7FFF, 0x3FFF, 0x0000, 0x7FFF})

		case *NYCbCrA:
			memset(tc.YCbCr.Y, 0x77)
			memset(tc.YCbCr.Cb, 0x88)
			memset(tc.YCbCr.Cr, 0x99)
			memset(tc.A, 0xAA)

		case *Uniform:
			tc.C = color.RGBA64{0x7FFF, 0x3FFF, 0x0000, 0x7FFF}

		case *YCbCr:
			memset(tc.Y, 0x77)
			memset(tc.Cb, 0x88)
			memset(tc.Cr, 0x99)

	SYS_PTHREAD_GETSPECIFIC             = 0x1FC // 508
	SYS_PTHREAD_JOIN                    = 0x1FD // 509
	SYS_PTHREAD_KEY_CREATE              = 0x1FE // 510
	SYS_PTHREAD_MUTEXATTR_INIT          = 0x1FF // 511
	SYS_PTHREAD_MUTEXATTR_DESTROY       = 0x200 // 512
	SYS_PTHREAD_MUTEXATTR_SETKIND_NP    = 0x201 // 513
	SYS_PTHREAD_MUTEXATTR_GETKIND_NP    = 0x202 // 514
	SYS_PTHREAD_MUTEX_INIT              = 0x203 // 515

	0xfde: 0x1d93, 0xfdf: 0x1da2, 0xfe0: 0x1dac, 0xfe1: 0x1dbb, 0xfe2: 0x1dc0, 0xfe3: 0x1dc5,
	0xfe4: 0x1dd4, 0xfe5: 0x1dde, 0xfe6: 0x1dfc, 0xfe7: 0x1e15, 0xfe8: 0x1e1a, 0xfe9: 0x1e29,
	0xfea: 0x1e2e, 0xfeb: 0x1e3d, 0xfec: 0x1e47, 0xfed: 0x1e56, 0xfee: 0x1e5b, 0xfef: 0x1e60,
	0xff0: 0x1e6a, 0xff1: 0x1ea6, 0xff2: 0x1eab, 0xff3: 0x1eb5, 0xff4: 0x1ec4, 0xff5: 0x1ec9,

	0xfea: 0x1f05, 0xfeb: 0x1f14, 0xfec: 0x1f19, 0xfed: 0x1f28, 0xfee: 0x1f2d, 0xfef: 0x1f32,
	0xff0: 0x1f37, 0xff1: 0x1f3c, 0xff2: 0x1f41, 0xff3: 0x1f46, 0xff4: 0x1f4b, 0xff5: 0x1f50,
	0xff6: 0x1f55, 0xff7: 0x1f5a, 0xff8: 0x1f5f, 0xff9: 0x1f64, 0xffa: 0x1f69, 0xffb: 0x1f6e,
	0xffc: 0x1f73, 0xffd: 0x1f78, 0xffe: 0x1f7d, 0xfff: 0x1f87,
	// Block 0x40, offset 0x1000

	0xfea: 0x1f05, 0xfeb: 0x1f14, 0xfec: 0x1f19, 0xfed: 0x1f28, 0xfee: 0x1f2d, 0xfef: 0x1f32,
	0xff0: 0x1f37, 0xff1: 0x1f3c, 0xff2: 0x1f41, 0xff3: 0x1f46, 0xff4: 0x1f4b, 0xff5: 0x1f50,
	0xff6: 0x1f55, 0xff7: 0x1f5a, 0xff8: 0x1f5f, 0xff9: 0x1f64, 0xffa: 0x1f69, 0xffb: 0x1f6e,
	0xffc: 0x1f73, 0xffd: 0x1f78, 0xffe: 0x1f7d, 0xfff: 0x1f87,
	// Block 0x40, offset 0x1000

	0xfde: 0x3ab5, 0xfdf: 0x3ad5, 0xfe0: 0x3af5, 0xfe1: 0x3b15, 0xfe2: 0x3b35, 0xfe3: 0x3b55,
	0xfe4: 0x3b75, 0xfe5: 0x3b95, 0xfe6: 0x1295, 0xfe7: 0x3bb5, 0xfe8: 0x3bd5, 0xfe9: 0x3bf5,
	0xfea: 0x3c15, 0xfeb: 0x3c35, 0xfec: 0x3c55, 0xfed: 0x3c75, 0xfee: 0x23b5, 0xfef: 0x3c95,
	0xff0: 0x3cb5, 0xff1: 0x0c29, 0xff2: 0x0c31, 0xff3: 0x0c39, 0xff4: 0x0c41, 0xff5: 0x0c49,

		y := t - (e - x)
		y = Float64frombits(Float64bits(y) + uint64(k)<<52) // add k to y's exponent
		return y
	}
	t = Float64frombits(uint64(0x3ff-k) << 52) // 2**-k
	y := x - (e + t)
	y++
	y = Float64frombits(Float64bits(y) + uint64(k)<<52) // add k to y's exponent
	return y