1 // Copyright 2010 The Go Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style 3 // license that can be found in the LICENSE file. 4 5 #include "textflag.h" 6 7 // func Abs(x float64) float64 8 TEXT Abs(SB),NOSPLIT,$0 9 MOVQ $(1<<63), BX 10 MOVQ BX, X0 // movsd $(-0.0), x0 11 MOVSD x+0(FP), X1 12 ANDNPD X1, X0 13 MOVSD X0, ret+8(FP) 14 RET 15
