1 files changed, 0 insertions, 202 deletions
diff --git a/sysdeps/powerpc/memset.s b/sysdeps/powerpc/memset.s
deleted file mode 100644
index 4c8bf8c6b4..0000000000
--- a/sysdeps/powerpc/memset.s
+++ /dev/null
@@ -1,202 +0,0 @@
- # Optimized memset implementation for PowerPC.
- # Copyright (C) 1997 Free Software Foundation, Inc.
- # This file is part of the GNU C Library.
- #
- # The GNU C Library is free software; you can redistribute it and/or
- # modify it under the terms of the GNU Library General Public License as
- # published by the Free Software Foundation; either version 2 of the
- # License, or (at your option) any later version.
- #
- # The GNU C Library is distributed in the hope that it will be useful,
- # but WITHOUT ANY WARRANTY; without even the implied warranty of
- # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- # Library General Public License for more details.
- #
- # You should have received a copy of the GNU Library General Public
- # License along with the GNU C Library; see the file COPYING.LIB.  If not,
- # write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- # Boston, MA 02111-1307, USA.
-
-	.section ".text"
-	.align 5
-	nop
-	
-	.globl memset
-	.type memset,@function
-memset:	
- # __ptr_t [r3] memset (__ptr_t s [r3], int c [r4], size_t n [r5]));
- # Returns 's'.
-
- # The memset is done in three sizes: byte (8 bits), word (32 bits),
- # cache line (256 bits). There is a special case for setting cache lines
- # to 0, to take advantage of the dcbz instruction.
- # r6:	current address we are storing at
- # r7:	number of bytes we are setting now (when aligning)
-
- # take care of case for size <= 4
-	cmplwi %cr1,%r5,4	
-	andi.  %r7,%r3,3
-	mr     %r6,%r3
-	ble-   %cr1,small
- # align to word boundary
-	cmplwi %cr5,%r5,31
-	rlwimi %r4,%r4,8,16,23
-	beq+   aligned			# 8th instruction from .align
-	mtcrf  0x01,%r3
-	subfic %r7,%r7,4
-	add    %r6,%r6,%r7
-	sub    %r5,%r5,%r7
-	bf+    31,0f
-	stb    %r4,0(%r3)
-	bt     30,aligned
-0:	sth    %r4,-2(%r6)		#  16th instruction from .align
- # take care of case for size < 31
-aligned:
-	mtcrf  0x01,%r5
-	rlwimi %r4,%r4,16,0,15
-	ble    %cr5,medium
- # align to cache line boundary...
-	andi.  %r7,%r6,0x1C
-	subfic %r7,%r7,0x20
-	beq    caligned
-	mtcrf  0x01,%r7
-	add    %r6,%r6,%r7
-	sub    %r5,%r5,%r7
-	cmplwi %cr1,%r7,0x10
-	mr     %r8,%r6
-	bf     28,1f
-	stw    %r4,-4(%r8)
-	stwu   %r4,-8(%r8)
-1:	blt    %cr1,2f
-	stw    %r4,-4(%r8)	# 32nd instruction from .align
-	stw    %r4,-8(%r8)
-	stw    %r4,-12(%r8)
-	stwu   %r4,-16(%r8)
-2:	bf     29,caligned
-	stw    %r4,-4(%r8)
- # now aligned to a cache line.
-caligned:
-	cmplwi %cr1,%r4,0
-	clrrwi. %r7,%r5,5
-	mtcrf  0x01,%r5		# 40th instruction from .align
-	beq    %cr1,zloopstart	# special case for clearing memory using dcbz
-	srwi   %r0,%r7,5
-	mtctr  %r0
-	beq    medium		# we may not actually get to do a full line
-	clrlwi. %r5,%r5,27
-	add    %r6,%r6,%r7
-0:	li     %r8,-0x40
-	bdz    cloopdone	# 48th instruction from .align
-	
-cloop:	dcbz   %r8,%r6
-	stw    %r4,-4(%r6)
-	stw    %r4,-8(%r6)
-	stw    %r4,-12(%r6)
-	stw    %r4,-16(%r6)
-	nop			# let 601 fetch last 4 instructions of loop
-	stw    %r4,-20(%r6)
-	stw    %r4,-24(%r6)	# 56th instruction from .align
-	nop			# let 601 fetch first 8 instructions of loop
-	stw    %r4,-28(%r6)
-	stwu   %r4,-32(%r6)
-	bdnz   cloop
-cloopdone:
-	stw    %r4,-4(%r6)
-	stw    %r4,-8(%r6)
-	stw    %r4,-12(%r6)
-	stw    %r4,-16(%r6)	# 64th instruction from .align
-	stw    %r4,-20(%r6)
-	cmplwi %cr1,%r5,16
-	stw    %r4,-24(%r6)
-	stw    %r4,-28(%r6)
-	stwu   %r4,-32(%r6)
-	beqlr
-	add    %r6,%r6,%r7
-	b      medium_tail2	# 72nd instruction from .align
-
-	.align 5
-	nop
-# clear lines of memory in 128-byte chunks.
-zloopstart:
-	clrlwi %r5,%r5,27
-	mtcrf  0x02,%r7
-	srwi.  %r0,%r7,7
-	mtctr  %r0
-	li     %r7,0x20
-	li     %r8,-0x40
-	cmplwi %cr1,%r5,16	# 8
-	bf     26,0f	
-	dcbz   0,%r6
-	addi   %r6,%r6,0x20
-0:	li     %r9,-0x20
-	bf     25,1f
-	dcbz   0,%r6
-	dcbz   %r7,%r6
-	addi   %r6,%r6,0x40	# 16
-1:	cmplwi %cr5,%r5,0
-	beq    medium
-zloop:	
-	dcbz   0,%r6
-	dcbz   %r7,%r6
-	addi   %r6,%r6,0x80
-	dcbz   %r8,%r6
-	dcbz   %r9,%r6
-	bdnz   zloop
-	beqlr  %cr5
-	b      medium_tail2
-	
-	.align 5	
-small:
- # Memset of 4 bytes or less.
-	cmplwi %cr5,%r5,1
-	cmplwi %cr1,%r5,3
-	bltlr  %cr5
-	stb    %r4,0(%r6)
-	beqlr  %cr5
-	nop
-	stb    %r4,1(%r6)
-	bltlr  %cr1
-	stb    %r4,2(%r6)
-	beqlr  %cr1
-	nop
-	stb    %r4,3(%r6)
-	blr
-
-# memset of 0-31 bytes
-	.align 5
-medium:
-	cmplwi %cr1,%r5,16
-medium_tail2:
-	add    %r6,%r6,%r5
-medium_tail:
-	bt-    31,medium_31t
-	bt-    30,medium_30t
-medium_30f:
-	bt-    29,medium_29t
-medium_29f:
-	bge-   %cr1,medium_27t
-	bflr-  28
-	stw    %r4,-4(%r6)	# 8th instruction from .align
-	stw    %r4,-8(%r6)
-	blr
-
-medium_31t:	
-	stbu   %r4,-1(%r6)
-	bf-    30,medium_30f
-medium_30t:
-	sthu   %r4,-2(%r6)
-	bf-    29,medium_29f
-medium_29t:
-	stwu   %r4,-4(%r6)
-	blt-   %cr1,medium_27f	# 16th instruction from .align
-medium_27t:
-	stw    %r4,-4(%r6)
-	stw    %r4,-8(%r6)
-	stw    %r4,-12(%r6)
-	stwu   %r4,-16(%r6)
-medium_27f:
-	bflr-  28
-medium_28t:
-	stw    %r4,-4(%r6)
-	stw    %r4,-8(%r6)
-	blr