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go/src/math/modf_arm64.s
Josh Bleecher Snyder accf5cc386 all: minor vet fixes
Change-Id: I22f0f3e792052762499f632571155768b4052bc9
Reviewed-on: https://go-review.googlesource.com/31759
Run-TryBot: Josh Bleecher Snyder <josharian@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
2016-10-24 17:27:37 +00:00

19 lines
439 B
ArmAsm

// Copyright 2016 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.
#include "textflag.h"
// func Modf(f float64) (int float64, frac float64)
TEXT ·Modf(SB),NOSPLIT,$0
MOVD f+0(FP), R0
FMOVD R0, F0
FRINTZD F0, F1
FMOVD F1, int+8(FP)
FSUBD F1, F0
FMOVD F0, R1
AND $(1<<63), R0
ORR R0, R1 // must have same sign
MOVD R1, frac+16(FP)
RET