summaryrefslogtreecommitdiff
path: root/sysdeps/i386/fpu/s_cosl.S
diff options
context:
space:
mode:
Diffstat (limited to 'sysdeps/i386/fpu/s_cosl.S')
-rw-r--r--sysdeps/i386/fpu/s_cosl.S31
1 files changed, 31 insertions, 0 deletions
diff --git a/sysdeps/i386/fpu/s_cosl.S b/sysdeps/i386/fpu/s_cosl.S
new file mode 100644
index 0000000000..61c9010c99
--- /dev/null
+++ b/sysdeps/i386/fpu/s_cosl.S
@@ -0,0 +1,31 @@
+/*
+ * Written by J.T. Conklin <jtc@netbsd.org>.
+ * Public domain.
+ *
+ * Adapted for `long double' by Ulrich Drepper <drepper@cygnus.com>.
+ */
+
+#include <machine/asm.h>
+
+RCSID("$NetBSD: $")
+
+ENTRY(__cosl)
+ fldt 4(%esp)
+ fcos
+ fnstsw %ax
+ testl $0x400,%eax
+ jnz 1f
+ ret
+ .align ALIGNARG(4)
+1: fldpi
+ fadd %st(0)
+ fxch %st(1)
+2: fprem1
+ fnstsw %ax
+ testl $0x400,%eax
+ jnz 2b
+ fstp %st(1)
+ fcos
+ ret
+END (__cosl)
+weak_alias (__cosl, cosl)