go/src/pkg/math/ldexp_386.s

// Copyright 2010 The Go Authors.  All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

// func Ldexp(f float64, e int) float64
TEXT ·Ldexp(SB),7,$0
	FMOVL   e+8(FP), F0   // F0=e
	FMOVD   x+0(FP), F0   // F0=x, F1=e
	FSCALE                // F0=x*2**e, F1=e
	FMOVDP  F0, F1        // F0=x*2**e
	FMOVDP  F0, r+12(FP)
	RET
math: add Cbrt and Sincos; x87 versions of Sincos, Frexp, Ldexp Added special condition and benchmarks for Cbrt, Sincos. Took Frexp and Ldexp out of bits.go. R=rsc CC=golang-dev https://golang.org/cl/206084 2010-02-19 00:33:15 -07:00			`// Copyright 2010 The Go Authors. All rights reserved.`
			`// Use of this source code is governed by a BSD-style`
			`// license that can be found in the LICENSE file.`

			`// func Ldexp(f float64, e int) float64`
			`TEXT ·Ldexp(SB),7,$0`
			`FMOVL e+8(FP), F0 // F0=e`
			`FMOVD x+0(FP), F0 // F0=x, F1=e`
			`FSCALE // F0=x2*e, F1=e`
			`FMOVDP F0, F1 // F0=x2*e`
			`FMOVDP F0, r+12(FP)`
			`RET`