1 files changed, 62 insertions, 65 deletions
diff --git a/sysdeps/sparc/sparc64/lshift.S b/sysdeps/sparc/sparc64/lshift.S
index f211924ddb..4f265ad96b 100644
--- a/sysdeps/sparc/sparc64/lshift.S
+++ b/sysdeps/sparc/sparc64/lshift.S
@@ -1,6 +1,6 @@
 /* SPARC v9 __mpn_lshift --
 
-   Copyright (C) 1996 Free Software Foundation, Inc.
+   Copyright (C) 1996, 1999 Free Software Foundation, Inc.
 
    This file is part of the GNU MP Library.
 
@@ -22,75 +22,72 @@
 #include <sysdep.h>
 
 /* INPUT PARAMETERS
-   res_ptr	%i0
-   src_ptr	%i1
-   size		%i2
-   cnt		%i3  */
+   res_ptr	%o0
+   src_ptr	%o1
+   size		%o2
+   cnt		%o3  */
 
 ENTRY(__mpn_lshift)
-	save	%sp, -192, %sp
-
-	sllx	%i2,3,%g1
-	add	%i1,%g1,%i1	! make %i1 point at end of src
-	ldx	[%i1-8],%g2	! load first limb
-	sub	%g0,%i3,%i5	! negate shift count
-	add	%i0,%g1,%i0	! make %i0 point at end of res
-	add	%i2,-1,%i2
-	and	%i2,4-1,%l4	! number of limbs in first loop
-	srlx	%g2,%i5,%g1	! compute function result
-	brz,pn	%l4,.L0		! if multiple of 4 limbs, skip first loop
-	mov	%g1,%l1
-
-	sub	%i2,%l4,%i2	! adjust count for main loop
-
-.Loop0:	ldx	[%i1-16],%g3
-	add	%i0,-8,%i0
-	add	%i1,-8,%i1
-	add	%l4,-1,%l4
-	sllx	%g2,%i3,%i4
-	srlx	%g3,%i5,%g1
+	sllx	%o2,3,%g1
+	add	%o1,%g1,%o1	! make %o1 point at end of src
+	ldx	[%o1-8],%g2	! load first limb
+	sub	%g0,%o3,%o5	! negate shift count
+	add	%o0,%g1,%o0	! make %o0 point at end of res
+	add	%o2,-1,%o2
+	andcc	%o2,4-1,%g4	! number of limbs in first loop
+	srlx	%g2,%o5,%g1	! compute function result
+	be,pn	%xcc,.L0	! if multiple of 4 limbs, skip first loop
+	 mov	%g1,%g5
+
+	sub	%o2,%g4,%o2	! adjust count for main loop
+
+.Loop0:	ldx	[%o1-16],%g3
+	add	%o0,-8,%o0
+	add	%o1,-8,%o1
+	sllx	%g2,%o3,%o4
+	addcc	%g4,-1,%g4
+	srlx	%g3,%o5,%g1
 	mov	%g3,%g2
-	or	%i4,%g1,%i4
-	brnz,pt	%l4,.Loop0
-	 stx	%i4,[%i0+0]
+	or	%o4,%g1,%o4
+	bne,pt	%xcc,.Loop0
+	 stx	%o4,[%o0+0]
 
-.L0:	brz,pn	%i2,.Lend
+.L0:	brz,pn	%o2,.Lend
 	 nop
 
-.Loop:	ldx	[%i1-16],%g3
-	add	%i0,-32,%i0
-	add	%i2,-4,%i2
-	sllx	%g2,%i3,%i4
-	srlx	%g3,%i5,%g1
-
-	ldx	[%i1-24],%g2
-	sllx	%g3,%i3,%l4
-	or	%i4,%g1,%i4
-	stx	%i4,[%i0+24]
-	srlx	%g2,%i5,%g1
-
-	ldx	[%i1-32],%g3
-	sllx	%g2,%i3,%i4
-	or	%l4,%g1,%l4
-	stx	%l4,[%i0+16]
-	srlx	%g3,%i5,%g1
-
-	ldx	[%i1-40],%g2
-	sllx	%g3,%i3,%l4
-	or	%i4,%g1,%i4
-	stx	%i4,[%i0+8]
-	srlx	%g2,%i5,%g1
-
-	add	%i1,-32,%i1
-	or	%l4,%g1,%l4
-	brnz,pt	%i2,.Loop
-	 stx	%l4,[%i0+0]
-
-.Lend:	sllx	%g2,%i3,%g2
-	stx	%g2,[%i0-8]
-
-	mov	%l1,%i0
-	jmpl	%i7+8, %g0
-	 restore
+.Loop:	ldx	[%o1-16],%g3
+	add	%o0,-32,%o0
+	sllx	%g2,%o3,%o4
+	addcc	%o2,-4,%o2
+	srlx	%g3,%o5,%g1
+
+	ldx	[%o1-24],%g2
+	sllx	%g3,%o3,%g4
+	or	%o4,%g1,%o4
+	stx	%o4,[%o0+24]
+	srlx	%g2,%o5,%g1
+
+	ldx	[%o1-32],%g3
+	sllx	%g2,%o3,%o4
+	or	%g4,%g1,%g4
+	stx	%g4,[%o0+16]
+	srlx	%g3,%o5,%g1
+
+	ldx	[%o1-40],%g2
+	sllx	%g3,%o3,%g4
+	or	%o4,%g1,%o4
+	stx	%o4,[%o0+8]
+	srlx	%g2,%o5,%g1
+
+	add	%o1,-32,%o1
+	or	%g4,%g1,%g4
+	bne,pt	%xcc,.Loop
+	 stx	%g4,[%o0+0]
+
+.Lend:	sllx	%g2,%o3,%g2
+	stx	%g2,[%o0-8]
+
+	jmpl	%o7+8, %g0
+	 mov	%g5,%o0
 
 END(__mpn_lshift)