about summary refs log tree commit diff
path: root/sysdeps/sparc/sparc32/sparcv9/rem.S
diff options
context:
space:
mode:
Diffstat (limited to 'sysdeps/sparc/sparc32/sparcv9/rem.S')
-rw-r--r--sysdeps/sparc/sparc32/sparcv9/rem.S22
1 files changed, 22 insertions, 0 deletions
diff --git a/sysdeps/sparc/sparc32/sparcv9/rem.S b/sysdeps/sparc/sparc32/sparcv9/rem.S
new file mode 100644
index 0000000000..5385bd8305
--- /dev/null
+++ b/sysdeps/sparc/sparc32/sparcv9/rem.S
@@ -0,0 +1,22 @@
+/*
+ * Sparc v9 has divide.
+ * As divx takes 68 cycles and sdivcc only 36,
+ * we use sdivcc eventhough it is deprecated.
+ */
+
+#include <sysdep.h>
+
+	.text
+	.align		32
+ENTRY(.rem)
+
+	sra		%o0, 31, %o2
+	wr		%o2, 0, %y
+	sdivcc		%o0, %o1, %o2
+	xnor		%o2, %g0, %o3
+	movvs		%icc, %o3, %o2
+	smul		%o2, %o1, %o2
+	retl
+	 sub		%o0, %o2, %o0
+
+END(.rem)