summaryrefslogtreecommitdiff
path: root/src/math/atan_386.s
diff options
context:
space:
mode:
Diffstat (limited to 'src/math/atan_386.s')
-rw-r--r--src/math/atan_386.s13
1 files changed, 13 insertions, 0 deletions
diff --git a/src/math/atan_386.s b/src/math/atan_386.s
new file mode 100644
index 000000000..f3976b1d3
--- /dev/null
+++ b/src/math/atan_386.s
@@ -0,0 +1,13 @@
+// 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.
+
+#include "textflag.h"
+
+// func Atan(x float64) float64
+TEXT ·Atan(SB),NOSPLIT,$0
+ FMOVD x+0(FP), F0 // F0=x
+ FLD1 // F0=1, F1=x
+ FPATAN // F0=atan(F1/F0)
+ FMOVDP F0, ret+8(FP)
+ RET