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ARM: Use r10 instead of r9.

This commit is contained in:
Roland McGrath 2013-03-11 10:57:55 -07:00
parent cb83063b0c
commit 791de44658
3 changed files with 21 additions and 18 deletions
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3
ports/ChangeLog.arm
View File

@ -1,5 +1,8 @@
2013-03-11 Roland McGrath <roland@hack.frob.com>
* sysdeps/arm/memcpy.S: Use r10 instead of r9.
* sysdeps/arm/memmove.S: Likewise.
* sysdeps/arm/preconfigure.in: New file.
* sysdeps/arm/preconfigure: Replaced with generated file.

18
ports/sysdeps/arm/memcpy.S
View File

@ -189,13 +189,13 @@ ENTRY(memcpy)
CALGN( subcc r2, r2, ip )
CALGN( bcc 15f )
11: push {r5 - r9}
11: push {r5 - r8, r10}
cfi_adjust_cfa_offset (20)
cfi_rel_offset (r5, 0)
cfi_rel_offset (r6, 4)
cfi_rel_offset (r7, 8)
cfi_rel_offset (r8, 12)
cfi_rel_offset (r9, 16)
cfi_rel_offset (r10, 16)
PLD( pld [r1, #0] )
PLD( subs r2, r2, #96 )
@ -208,7 +208,7 @@ ENTRY(memcpy)
13: ldmia r1!, {r4, r5, r6, r7}
mov r3, lr, PULL #\pull
subs r2, r2, #32
ldmia r1!, {r8, r9, ip, lr}
ldmia r1!, {r8, r10, ip, lr}
orr r3, r3, r4, PUSH #\push
mov r4, r4, PULL #\pull
orr r4, r4, r5, PUSH #\push
@ -219,23 +219,23 @@ ENTRY(memcpy)
mov r7, r7, PULL #\pull
orr r7, r7, r8, PUSH #\push
mov r8, r8, PULL #\pull
orr r8, r8, r9, PUSH #\push
mov r9, r9, PULL #\pull
orr r9, r9, ip, PUSH #\push
orr r8, r8, r10, PUSH #\push
mov r10, r10, PULL #\pull
orr r10, r10, ip, PUSH #\push
mov ip, ip, PULL #\pull
orr ip, ip, lr, PUSH #\push
stmia r0!, {r3, r4, r5, r6, r7, r8, r9, ip}
stmia r0!, {r3, r4, r5, r6, r7, r8, r10, ip}
bge 12b
PLD( cmn r2, #96 )
PLD( bge 13b )
pop {r5 - r9}
pop {r5 - r8, r10}
cfi_adjust_cfa_offset (-20)
cfi_restore (r5)
cfi_restore (r6)
cfi_restore (r7)
cfi_restore (r8)
cfi_restore (r9)
cfi_restore (r10)
14: ands ip, r2, #28
beq 16f

18
ports/sysdeps/arm/memmove.S
View File

@ -204,13 +204,13 @@ ENTRY(memmove)
CALGN( subcc r2, r2, ip )
CALGN( bcc 15f )
11: push {r5 - r9}
11: push {r5 - r8, r10}
cfi_adjust_cfa_offset (20)
cfi_rel_offset (r5, 0)
cfi_rel_offset (r6, 4)
cfi_rel_offset (r7, 8)
cfi_rel_offset (r8, 12)
cfi_rel_offset (r9, 16)
cfi_rel_offset (r10, 16)
PLD( pld [r1, #-4] )
PLD( subs r2, r2, #96 )
@ -220,15 +220,15 @@ ENTRY(memmove)
PLD( pld [r1, #-96] )
12: PLD( pld [r1, #-128] )
13: ldmdb r1!, {r7, r8, r9, ip}
13: ldmdb r1!, {r7, r8, r10, ip}
mov lr, r3, PUSH #\push
subs r2, r2, #32
ldmdb r1!, {r3, r4, r5, r6}
orr lr, lr, ip, PULL #\pull
mov ip, ip, PUSH #\push
orr ip, ip, r9, PULL #\pull
mov r9, r9, PUSH #\push
orr r9, r9, r8, PULL #\pull
orr ip, ip, r10, PULL #\pull
mov r10, r10, PUSH #\push
orr r10, r10, r8, PULL #\pull
mov r8, r8, PUSH #\push
orr r8, r8, r7, PULL #\pull
mov r7, r7, PUSH #\push
@ -239,18 +239,18 @@ ENTRY(memmove)
orr r5, r5, r4, PULL #\pull
mov r4, r4, PUSH #\push
orr r4, r4, r3, PULL #\pull
stmdb r0!, {r4 - r9, ip, lr}
stmdb r0!, {r4 - r8, r10, ip, lr}
bge 12b
PLD( cmn r2, #96 )
PLD( bge 13b )
pop {r5 - r9}
pop {r5 - r8, r10}
cfi_adjust_cfa_offset (-20)
cfi_restore (r5)
cfi_restore (r6)
cfi_restore (r7)
cfi_restore (r8)
cfi_restore (r9)
cfi_restore (r10)
14: ands ip, r2, #28
beq 16f