Two tokens that don't together form a vaid preprocssor token cannot be

pasted together using ANSI-C token concatinatation.  GCC's cpp, at least,
produces the desired result w/o using "##".

sys/sparc64/include/asmacros.h

@@ -136,7 +136,7 @@
 	_ALIGN_DATA ; \
 	.globl	name ; \
 	.type	name, @object ; \
-name ## :
+name:
 
 #define	EMPTY
 
@@ -145,7 +145,7 @@ name ## :
 	_ALIGN_TEXT ; \
 	.globl	name ; \
 	.type	name, @function ; \
-name ## :
+name:
 
 #define	END(name) \
 	.size	name, . - name

sys/sparc64/include/ktr.h

@@ -55,11 +55,11 @@
  */
 #define	ATR(desc, r1, r2, r3, l1, l2) \
 	.sect	.rodata ; \
-l1 ## :	.asciz	desc ; \
+l1:	.asciz	desc ; \
 	.previous ; \
 	SET(ktr_idx, r2, r1) ; \
 	lduw	[r1], r2 ; \
-l2 ## :	add	r2, 1, r3 ; \
+l2:	add	r2, 1, r3 ; \
 	set	KTR_ENTRIES - 1, r1 ; \
 	and	r3, r1, r3 ; \
 	set	ktr_idx, r1 ; \