summaryrefslogtreecommitdiffstats
path: root/arch/sparc/math-emu/ashldi3.S
diff options
context:
space:
mode:
Diffstat (limited to 'arch/sparc/math-emu/ashldi3.S')
-rw-r--r--arch/sparc/math-emu/ashldi3.S36
1 files changed, 36 insertions, 0 deletions
diff --git a/arch/sparc/math-emu/ashldi3.S b/arch/sparc/math-emu/ashldi3.S
new file mode 100644
index 000000000000..eab1d097296a
--- /dev/null
+++ b/arch/sparc/math-emu/ashldi3.S
@@ -0,0 +1,36 @@
+/* $Id: ashldi3.S,v 1.1 1998/04/06 16:09:28 jj Exp $
+ * ashldi3.S: Math-emu code creates all kinds of references to
+ * this little routine on the sparc with gcc.
+ *
+ * Copyright (C) 1998 Jakub Jelinek(jj@ultra.linux.cz)
+ */
+
+#include <asm/cprefix.h>
+
+ .globl C_LABEL(__ashldi3)
+C_LABEL(__ashldi3):
+ tst %o2
+ be 3f
+ mov 32, %g2
+
+ sub %g2, %o2, %g2
+
+ tst %g2
+ bg 1f
+ srl %o1, %g2, %g3
+
+ clr %o5
+ neg %g2
+ ba 2f
+ sll %o1, %g2, %o4
+
+1:
+ sll %o1, %o2, %o5
+ srl %o0, %o2, %g2
+ or %g2, %g3, %o4
+2:
+ mov %o4, %o0
+ mov %o5, %o1
+3:
+ jmpl %o7 + 8, %g0
+ nop