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Diffstat (limited to 'sysdeps/libm-i387/s_nearbyint.S')
-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
new file mode 100644
index 0000000000..566c075c37
--- /dev/null
+++ 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)