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-rw-r--r--arch/sparc/lib/ashrdi3.S36
1 files changed, 36 insertions, 0 deletions
diff --git a/arch/sparc/lib/ashrdi3.S b/arch/sparc/lib/ashrdi3.S
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+/* $Id: ashrdi3.S,v 1.4 1999/11/19 04:11:49 davem Exp $
+ * ashrdi3.S: The filesystem code creates all kinds of references to
+ * this little routine on the sparc with gcc.
+ *
+ * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu)
+ */
+
+ .text
+ .align 4
+ .globl __ashrdi3
+__ashrdi3:
+ tst %o2
+ be 3f
+ or %g0, 32, %g2
+
+ sub %g2, %o2, %g2
+
+ tst %g2
+ bg 1f
+ sra %o0, %o2, %o4
+
+ sra %o0, 31, %o4
+ sub %g0, %g2, %g2
+ ba 2f
+ sra %o0, %g2, %o5
+
+1:
+ sll %o0, %g2, %g3
+ srl %o1, %o2, %g2
+ or %g2, %g3, %o5
+2:
+ or %g0, %o4, %o0
+ or %g0, %o5, %o1
+3:
+ jmpl %o7 + 8, %g0
+ nop