patch-2.1.115 linux/arch/sparc64/lib/blockops.S

• Lines: 117
• Date: Tue Aug 4 16:03:35 1998
• Orig file: v2.1.114/linux/arch/sparc64/lib/blockops.S
• Orig date: Sat Aug 16 09:51:09 1997

diff -u --recursive --new-file v2.1.114/linux/arch/sparc64/lib/blockops.S linux/arch/sparc64/lib/blockops.S
@@ -1,52 +1,66 @@
-/* $Id: blockops.S,v 1.11 1997/07/29 09:35:36 davem Exp $
- * arch/sparc64/lib/blockops.S: UltraSparc block zero optimized routines.
+/* $Id: blockops.S,v 1.14 1998/06/12 14:53:46 jj Exp $
+ * blockops.S: UltraSparc block zero optimized routines.
  *
- * Copyright (C) 1996 David S. Miller (davem@caip.rutgers.edu)
+ * Copyright (C) 1996,1998 David S. Miller (davem@caip.rutgers.edu)
  * Copyright (C) 1997 Jakub Jelinek (jj@sunsite.mff.cuni.cz)
  */
 
 #include "VIS.h"
+#include <asm/visasm.h>
+
+#define TOUCH(reg0, reg1, reg2, reg3, reg4, reg5, reg6, reg7)	\
+	fmovd	%reg0, %f48; 	fmovd	%reg1, %f50;		\
+	fmovd	%reg2, %f52; 	fmovd	%reg3, %f54;		\
+	fmovd	%reg4, %f56; 	fmovd	%reg5, %f58;		\
+	fmovd	%reg6, %f60; 	fmovd	%reg7, %f62;
 
 	.text
 	.align		32
-
-	.globl		__bfill64
-__bfill64:		/* %o0 = buf, %o1= ptr to pattern */
-	wr		%g0, FPRS_FEF, %fprs		! FPU	Group
-	ldd		[%o1], %f48			! Load	Group
-	wr		%g0, ASI_BLK_P, %asi		! LSU	Group
-	membar		#StoreLoad | #StoreStore | #LoadStore	! LSU	Group
-	mov		32, %g2				! IEU0	Group
-
-	/* Cannot perform real arithmatic on the pattern, that can
-	 * lead to fp_exception_other ;-)
-	 */
-	fmovd		%f48, %f50			! FPA	Group
-	fmovd		%f48, %f52			! FPA	Group
-	fmovd		%f48, %f54			! FPA	Group
-	fmovd		%f48, %f56			! FPA	Group
-	fmovd		%f48, %f58			! FPA	Group
-	fmovd		%f48, %f60			! FPA	Group
-	fmovd		%f48, %f62			! FPA	Group
-
-1:	stda		%f48, [%o0 + 0x00] %asi		! Store	Group
-	stda		%f48, [%o0 + 0x40] %asi		! Store	Group
-	stda		%f48, [%o0 + 0x80] %asi		! Store	Group
-	stda		%f48, [%o0 + 0xc0] %asi		! Store	Group
-	subcc		%g2, 1, %g2			! IEU1	Group
-	bne,pt		%icc, 1b			! CTI
-	 add		%o0, 0x100, %o0			! IEU0
-	membar		#StoreLoad | #StoreStore	! LSU	Group
-
-	jmpl		%o7 + 0x8, %g0			! CTI	Group brk forced
-	 wr		%g0, 0, %fprs			! FPU	Group
+	.globl		copy_page
+	.type		copy_page,@function
+copy_page: /* %o0=dest, %o1=src */
+	VISEntry
+	membar		#LoadStore | #StoreStore | #StoreLoad
+	ldda		[%o1] ASI_BLK_P, %f0
+	add		%o1, 0x40, %o1
+	ldda		[%o1] ASI_BLK_P, %f16
+	add		%o1, 0x40, %o1
+	sethi		%hi(8192), %o2
+1:	TOUCH(f0, f2, f4, f6, f8, f10, f12, f14)
+	ldda		[%o1] ASI_BLK_P, %f32
+	add		%o1, 0x40, %o1
+	sub		%o2, 0x40, %o2
+	stda		%f48, [%o0] ASI_BLK_P
+	add		%o0, 0x40, %o0
+	TOUCH(f16, f18, f20, f22, f24, f26, f28, f30)
+	ldda		[%o1] ASI_BLK_P, %f0
+	add		%o1, 0x40, %o1
+	sub		%o2, 0x40, %o2
+	stda		%f48, [%o0] ASI_BLK_P
+	add		%o0, 0x40, %o0
+	TOUCH(f32, f34, f36, f38, f40, f42, f44, f46)
+	ldda		[%o1] ASI_BLK_P, %f16
+	add		%o1, 0x40, %o1
+	sub		%o2, 0x40, %o2
+	stda		%f48, [%o0] ASI_BLK_P
+	cmp		%o2, 0x80
+	bne,pt		%xcc, 1b
+	 add		%o0, 0x40, %o0
+	membar		#Sync
+	stda		%f0, [%o0] ASI_BLK_P
+	add		%o0, 0x40, %o0
+	stda		%f16, [%o0] ASI_BLK_P
+	membar		#StoreStore | #StoreLoad
+	jmpl		%o7 + 0x8, %g0
+	 VISExit
 
 	.align		32
 	.globl		__bzero_1page
-__bzero_1page:
-	wr		%g0, FPRS_FEF, %fprs		! FPU	Group
+	.type		__bzero_1page,@function
+__bzero_1page:	/* %o0=dest */
+	VISEntryHalf
 	fzero		%f0				! FPA	Group
-	mov		32, %g1				! IEU0
+	mov		32, %o1				! IEU0
 	fzero		%f2				! FPA	Group
 	faddd		%f0, %f2, %f4			! FPA	Group
 	fmuld		%f0, %f2, %f6			! FPM
@@ -62,9 +76,9 @@
 	stda		%f0, [%o0 + 0x80] %asi		! Store	Group
 	stda		%f0, [%o0 + 0xc0] %asi		! Store	Group
 
-	subcc		%g1, 1, %g1			! IEU1
+	subcc		%o1, 1, %o1			! IEU1
 	bne,pt		%icc, 1b			! CTI
 	 add		%o0, 0x100, %o0			! IEU0	Group
-	membar		#StoreLoad | #StoreStore	! LSU	Group
+	membar		#StoreStore | #StoreLoad	! LSU	Group
 	jmpl		%o7 + 0x8, %g0			! CTI	Group brk forced
-	 wr		%g0, 0, %fprs			! FPU	Group
+	 VISExitHalf