src/pkg/math/atan_386.s - Issue 160200044: [dev.power64] code review 160200044: build: merge default into dev.power64

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Delta Between Two Patch Sets: src/pkg/math/atan_386.s

Issue 160200044: [dev.power64] code review 160200044: build: merge default into dev.power64 (Closed)

Left Patch Set: diff -r be0c14f62257b42485019e9e1db23cf40d2e249f https://code.google.com/p/go Created 10 years, 4 months ago

Right Patch Set: diff -r be0c14f62257b42485019e9e1db23cf40d2e249f https://code.google.com/p/go Created 10 years, 4 months ago

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1 // Copyright 2010 The Go Authors. All rights reserved.	1 // Copyright 2010 The Go Authors. All rights reserved.

2 // Use of this source code is governed by a BSD-style	2 // Use of this source code is governed by a BSD-style

3 // license that can be found in the LICENSE file.	3 // license that can be found in the LICENSE file.

4	4

5 #include "textflag.h"	5 #include "textflag.h"

6	6

7 // func Atan(x float64) float64	7 // func Atan(x float64) float64

8 TEXT ·Atan(SB),NOSPLIT,$0	8 TEXT ·Atan(SB),NOSPLIT,$0

9 FMOVD x+0(FP), F0 // F0=x	9 FMOVD x+0(FP), F0 // F0=x

10 FLD1 // F0=1, F1=x	10 FLD1 // F0=1, F1=x

11 FPATAN // F0=atan(F1/F0)	11 FPATAN // F0=atan(F1/F0)

12 FMOVDP F0, ret+8(FP)	12 FMOVDP F0, ret+8(FP)

13 RET	13 RET

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