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Diffstat (limited to 'lib/libm/arch/amd64/e_asin.S')
-rw-r--r--lib/libm/arch/amd64/e_asin.S4
1 files changed, 3 insertions, 1 deletions
diff --git a/lib/libm/arch/amd64/e_asin.S b/lib/libm/arch/amd64/e_asin.S
index 44eb4b87256..c132ea34d28 100644
--- a/lib/libm/arch/amd64/e_asin.S
+++ b/lib/libm/arch/amd64/e_asin.S
@@ -1,4 +1,4 @@
-/* $OpenBSD: e_asin.S,v 1.4 2016/09/12 19:47:01 guenther Exp $ */
+/* $OpenBSD: e_asin.S,v 1.5 2018/07/03 22:43:34 mortimer Exp $ */
/*
* Written by J.T. Conklin <jtc@NetBSD.org>.
* Public domain.
@@ -10,6 +10,7 @@
/* asin = atan (x / sqrt(1 - x^2)) */
ENTRY(asin)
+ RETGUARD_SETUP(asin, r11)
XMM_ONE_ARG_DOUBLE_PROLOGUE
fldl ARG_DOUBLE_ONE /* x */
fld %st(0)
@@ -19,5 +20,6 @@ ENTRY(asin)
fsqrt /* sqrt (1 - x^2) */
fpatan
XMM_DOUBLE_EPILOGUE
+ RETGUARD_CHECK(asin, r11)
ret
END_STD(asin)