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-rw-r--r--sysdeps/sparc/sparc32/sdiv.S190
1 files changed, 92 insertions, 98 deletions
diff --git a/sysdeps/sparc/sparc32/sdiv.S b/sysdeps/sparc/sparc32/sdiv.S
index 02ed2e973c..4b325476d7 100644
--- a/sysdeps/sparc/sparc32/sdiv.S
+++ b/sysdeps/sparc/sparc32/sdiv.S
@@ -37,22 +37,14 @@
 
 
 
-#include "sysdep.h"
-#ifdef __linux__
-#include <asm/traps.h>
-#else
-#ifdef __svr4__
+#include <sysdep.h>
 #include <sys/trap.h>
-#else
-#include <machine/trap.h>
-#endif
-#endif
 
 ENTRY(.div)
 	! compute sign of result; if neither is negative, no problem
 	orcc	%o1, %o0, %g0	! either negative?
 	bge	2f			! no, go do the divide
-	xor	%o1, %o0, %g6	! compute sign in any case
+	xor	%o1, %o0, %g3	! compute sign in any case
 	tst	%o1
 	bge	1f
 	tst	%o0
@@ -76,11 +68,11 @@ ENTRY(.div)
 
 1:
 	cmp	%o3, %o5			! if %o1 exceeds %o0, done
-	blu	Lgot_result		! (and algorithm fails otherwise)
+	blu	LOC(got_result)		! (and algorithm fails otherwise)
 	clr	%o2
 	sethi	%hi(1 << (32 - 4 - 1)), %g1
 	cmp	%o3, %g1
-	blu	Lnot_really_big
+	blu	LOC(not_really_big)
 	clr	%o4
 
 	! Here the dividend is >= 2**(31-N) or so.  We must be careful here,
@@ -91,15 +83,15 @@ ENTRY(.div)
 	1:
 		cmp	%o5, %g1
 		bgeu	3f
-		mov	1, %g7
+		mov	1, %g2
 		sll	%o5, 4, %o5
 		b	1b
 		add	%o4, 1, %o4
 
-	! Now compute %g7.
+	! Now compute %g2.
 	2:	addcc	%o5, %o5, %o5
-		bcc	Lnot_too_big
-		add	%g7, 1, %g7
+		bcc	LOC(not_too_big)
+		add	%g2, 1, %g2
 
 		! We get here if the %o1 overflowed while shifting.
 		! This means that %o3 has the high-order bit set.
@@ -107,20 +99,20 @@ ENTRY(.div)
 		sll	%g1, 4, %g1	! high order bit
 		srl	%o5, 1, %o5		! rest of %o5
 		add	%o5, %g1, %o5
-		b	Ldo_single_div
-		sub	%g7, 1, %g7
+		b	LOC(do_single_div)
+		sub	%g2, 1, %g2
 
-	Lnot_too_big:
+	LOC(not_too_big):
 	3:	cmp	%o5, %o3
 		blu	2b
 		nop
-		be	Ldo_single_div
+		be	LOC(do_single_div)
 		nop
 	/* NB: these are commented out in the V8-Sparc manual as well */
 	/* (I do not understand this) */
 	! %o5 > %o3: went too far: back up 1 step
 	!	srl	%o5, 1, %o5
-	!	dec	%g7
+	!	dec	%g2
 	! do single-bit divide steps
 	!
 	! We have to be careful here.  We know that %o3 >= %o5, so we can do the
@@ -129,15 +121,15 @@ ENTRY(.div)
 	! order bit set in the first step, just falling into the regular
 	! division loop will mess up the first time around.
 	! So we unroll slightly...
-	Ldo_single_div:
-		subcc	%g7, 1, %g7
-		bl	Lend_regular_divide
+	LOC(do_single_div):
+		subcc	%g2, 1, %g2
+		bl	LOC(end_regular_divide)
 		nop
 		sub	%o3, %o5, %o3
 		mov	1, %o2
-		b	Lend_single_divloop
+		b	LOC(end_single_divloop)
 		nop
-	Lsingle_divloop:
+	LOC(single_divloop):
 		sll	%o2, 1, %o2
 		bl	1f
 		srl	%o5, 1, %o5
@@ -149,221 +141,223 @@ ENTRY(.div)
 		add	%o3, %o5, %o3
 		sub	%o2, 1, %o2
 	2:
-	Lend_single_divloop:
-		subcc	%g7, 1, %g7
-		bge	Lsingle_divloop
+	LOC(end_single_divloop):
+		subcc	%g2, 1, %g2
+		bge	LOC(single_divloop)
 		tst	%o3
-		b,a	Lend_regular_divide
+		b,a	LOC(end_regular_divide)
 
-Lnot_really_big:
+LOC(not_really_big):
 1:
 	sll	%o5, 4, %o5
 	cmp	%o5, %o3
 	bleu	1b
 	addcc	%o4, 1, %o4
-	be	Lgot_result
+	be	LOC(got_result)
 	sub	%o4, 1, %o4
 
 	tst	%o3	! set up for initial iteration
-Ldivloop:
+LOC(divloop):
 	sll	%o2, 4, %o2
 		! depth 1, accumulated bits 0
-	bl	L.1.16
+	bl	LOC(1.16)
 	srl	%o5,1,%o5
 	! remainder is positive
 	subcc	%o3,%o5,%o3
 			! depth 2, accumulated bits 1
-	bl	L.2.17
+	bl	LOC(2.17)
 	srl	%o5,1,%o5
 	! remainder is positive
 	subcc	%o3,%o5,%o3
 			! depth 3, accumulated bits 3
-	bl	L.3.19
+	bl	LOC(3.19)
 	srl	%o5,1,%o5
 	! remainder is positive
 	subcc	%o3,%o5,%o3
 			! depth 4, accumulated bits 7
-	bl	L.4.23
+	bl	LOC(4.23)
 	srl	%o5,1,%o5
 	! remainder is positive
 	subcc	%o3,%o5,%o3
 		b	9f
 		add	%o2, (7*2+1), %o2
-
-L.4.23:
+	
+LOC(4.23):
 	! remainder is negative
 	addcc	%o3,%o5,%o3
 		b	9f
 		add	%o2, (7*2-1), %o2
-
-
-L.3.19:
+	
+	
+LOC(3.19):
 	! remainder is negative
 	addcc	%o3,%o5,%o3
 			! depth 4, accumulated bits 5
-	bl	L.4.21
+	bl	LOC(4.21)
 	srl	%o5,1,%o5
 	! remainder is positive
 	subcc	%o3,%o5,%o3
 		b	9f
 		add	%o2, (5*2+1), %o2
-
-L.4.21:
+	
+LOC(4.21):
 	! remainder is negative
 	addcc	%o3,%o5,%o3
 		b	9f
 		add	%o2, (5*2-1), %o2
-
-
-
-L.2.17:
+	
+	
+	
+LOC(2.17):
 	! remainder is negative
 	addcc	%o3,%o5,%o3
 			! depth 3, accumulated bits 1
-	bl	L.3.17
+	bl	LOC(3.17)
 	srl	%o5,1,%o5
 	! remainder is positive
 	subcc	%o3,%o5,%o3
 			! depth 4, accumulated bits 3
-	bl	L.4.19
+	bl	LOC(4.19)
 	srl	%o5,1,%o5
 	! remainder is positive
 	subcc	%o3,%o5,%o3
 		b	9f
 		add	%o2, (3*2+1), %o2
-
-L.4.19:
+	
+LOC(4.19):
 	! remainder is negative
 	addcc	%o3,%o5,%o3
 		b	9f
 		add	%o2, (3*2-1), %o2
-
-
-L.3.17:
+	
+	
+LOC(3.17):
 	! remainder is negative
 	addcc	%o3,%o5,%o3
 			! depth 4, accumulated bits 1
-	bl	L.4.17
+	bl	LOC(4.17)
 	srl	%o5,1,%o5
 	! remainder is positive
 	subcc	%o3,%o5,%o3
 		b	9f
 		add	%o2, (1*2+1), %o2
-
-L.4.17:
+	
+LOC(4.17):
 	! remainder is negative
 	addcc	%o3,%o5,%o3
 		b	9f
 		add	%o2, (1*2-1), %o2
-
-
-
-
-L.1.16:
+	
+	
+	
+	
+LOC(1.16):
 	! remainder is negative
 	addcc	%o3,%o5,%o3
 			! depth 2, accumulated bits -1
-	bl	L.2.15
+	bl	LOC(2.15)
 	srl	%o5,1,%o5
 	! remainder is positive
 	subcc	%o3,%o5,%o3
 			! depth 3, accumulated bits -1
-	bl	L.3.15
+	bl	LOC(3.15)
 	srl	%o5,1,%o5
 	! remainder is positive
 	subcc	%o3,%o5,%o3
 			! depth 4, accumulated bits -1
-	bl	L.4.15
+	bl	LOC(4.15)
 	srl	%o5,1,%o5
 	! remainder is positive
 	subcc	%o3,%o5,%o3
 		b	9f
 		add	%o2, (-1*2+1), %o2
-
-L.4.15:
+	
+LOC(4.15):
 	! remainder is negative
 	addcc	%o3,%o5,%o3
 		b	9f
 		add	%o2, (-1*2-1), %o2
-
-
-L.3.15:
+	
+	
+LOC(3.15):
 	! remainder is negative
 	addcc	%o3,%o5,%o3
 			! depth 4, accumulated bits -3
-	bl	L.4.13
+	bl	LOC(4.13)
 	srl	%o5,1,%o5
 	! remainder is positive
 	subcc	%o3,%o5,%o3
 		b	9f
 		add	%o2, (-3*2+1), %o2
-
-L.4.13:
+	
+LOC(4.13):
 	! remainder is negative
 	addcc	%o3,%o5,%o3
 		b	9f
 		add	%o2, (-3*2-1), %o2
-
-
-
-L.2.15:
+	
+	
+	
+LOC(2.15):
 	! remainder is negative
 	addcc	%o3,%o5,%o3
 			! depth 3, accumulated bits -3
-	bl	L.3.13
+	bl	LOC(3.13)
 	srl	%o5,1,%o5
 	! remainder is positive
 	subcc	%o3,%o5,%o3
 			! depth 4, accumulated bits -5
-	bl	L.4.11
+	bl	LOC(4.11)
 	srl	%o5,1,%o5
 	! remainder is positive
 	subcc	%o3,%o5,%o3
 		b	9f
 		add	%o2, (-5*2+1), %o2
-
-L.4.11:
+	
+LOC(4.11):
 	! remainder is negative
 	addcc	%o3,%o5,%o3
 		b	9f
 		add	%o2, (-5*2-1), %o2
-
-
-L.3.13:
+	
+	
+LOC(3.13):
 	! remainder is negative
 	addcc	%o3,%o5,%o3
 			! depth 4, accumulated bits -7
-	bl	L.4.9
+	bl	LOC(4.9)
 	srl	%o5,1,%o5
 	! remainder is positive
 	subcc	%o3,%o5,%o3
 		b	9f
 		add	%o2, (-7*2+1), %o2
-
-L.4.9:
+	
+LOC(4.9):
 	! remainder is negative
 	addcc	%o3,%o5,%o3
 		b	9f
 		add	%o2, (-7*2-1), %o2
-
-
-
-
+	
+	
+	
+	
 	9:
-Lend_regular_divide:
+LOC(end_regular_divide):
 	subcc	%o4, 1, %o4
-	bge	Ldivloop
+	bge	LOC(divloop)
 	tst	%o3
-	bl,a	Lgot_result
+	bl,a	LOC(got_result)
 	! non-restoring fixup here (one instruction only!)
 	sub	%o2, 1, %o2
 
 
-Lgot_result:
+LOC(got_result):
 	! check to see if answer should be < 0
-	tst	%g6
+	tst	%g3
 	bl,a	1f
 	sub %g0, %o2, %o2
 1:
 	retl
 	mov %o2, %o0
+
+END(.div)