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-rw-r--r--sysdeps/libm-i387/e_acosf.S2
1 files changed, 1 insertions, 1 deletions
diff --git a/sysdeps/libm-i387/e_acosf.S b/sysdeps/libm-i387/e_acosf.S
index 87ee2fb5bc..50b13fd1bd 100644
--- a/sysdeps/libm-i387/e_acosf.S
+++ b/sysdeps/libm-i387/e_acosf.S
@@ -11,7 +11,7 @@ RCSID("$NetBSD: $")
 /* acos = atan (sqrt(1 - x^2) / x) */
 ENTRY(__ieee754_acosf)
 	flds	4(%esp)			/* x */
-	fst	%st(1)
+	fld	%st
 	fmul	%st(0)			/* x^2 */
 	fld1
 	fsubp				/* 1 - x^2 */