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-rw-r--r--sysdeps/libm-i387/s_nearbyint.S23
1 files changed, 23 insertions, 0 deletions
diff --git a/sysdeps/libm-i387/s_nearbyint.S b/sysdeps/libm-i387/s_nearbyint.S
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+++ b/sysdeps/libm-i387/s_nearbyint.S
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+/*
+ * Written by J.T. Conklin <jtc@netbsd.org>.
+ * Public domain.
+ */
+/* Adapted for use as nearbyint by Ulrich Drepper <drepper@cygnus.com>.  */
+
+#include <machine/asm.h>
+
+ENTRY(__nearbyint)
+	fldl	4(%esp)
+	pushl	%eax
+	pushl	%ecx
+	fnstcw	(%esp)
+	movl	(%esp), %eax
+	andl	$~0x20, %eax
+	movl	%eax, 4(%esp)
+	fldcw	4(%esp)
+	frndint
+	fclex
+	fldcw	(%esp)
+	ret
+END (__nearbyint)
+weak_alias (__nearbyint, nearbyint)