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Diffstat (limited to 'sysdeps/arm/memmove.S')
-rw-r--r--sysdeps/arm/memmove.S124
1 files changed, 45 insertions, 79 deletions
diff --git a/sysdeps/arm/memmove.S b/sysdeps/arm/memmove.S
index f5247f46d8..b18aa329d3 100644
--- a/sysdeps/arm/memmove.S
+++ b/sysdeps/arm/memmove.S
@@ -87,7 +87,7 @@ ENTRY(memmove)
subs r2, r2, #4
blt 8f
ands ip, r0, #3
- PLD( sfi_pld r1, #-4 )
+ PLD( pld [r1, #-4] )
bne 9f
ands ip, r1, #3
bne 10f
@@ -113,19 +113,17 @@ ENTRY(memmove)
CALGN( bx r4 )
#endif
- PLD( sfi_pld r1, #-4 )
+ PLD( pld [r1, #-4] )
2: PLD( subs r2, r2, #96 )
- PLD( sfi_pld r1, #-32 )
+ PLD( pld [r1, #-32] )
PLD( blt 4f )
- PLD( sfi_pld r1, #-64 )
- PLD( sfi_pld r1, #-96 )
+ PLD( pld [r1, #-64] )
+ PLD( pld [r1, #-96] )
-3: PLD( sfi_pld r1, #-128 )
-4: sfi_breg r1, \
- ldmdb \B!, {r3, r4, r5, r6, r7, r8, ip, lr}
+3: PLD( pld [r1, #-128] )
+4: ldmdb r1!, {r3, r4, r5, r6, r7, r8, ip, lr}
subs r2, r2, #32
- sfi_breg r0, \
- stmdb \B!, {r3, r4, r5, r6, r7, r8, ip, lr}
+ stmdb r0!, {r3, r4, r5, r6, r7, r8, ip, lr}
bge 3b
PLD( cmn r2, #96 )
PLD( bge 4b )
@@ -152,26 +150,19 @@ ENTRY(memmove)
.p2align ARM_BX_ALIGN_LOG2
6: nop
.p2align ARM_BX_ALIGN_LOG2
- sfi_breg r1, \
- ldr r3, [\B, #-4]!
+ ldr r3, [r1, #-4]!
.p2align ARM_BX_ALIGN_LOG2
- sfi_breg r1, \
- ldr r4, [\B, #-4]!
+ ldr r4, [r1, #-4]!
.p2align ARM_BX_ALIGN_LOG2
- sfi_breg r1, \
- ldr r5, [\B, #-4]!
+ ldr r5, [r1, #-4]!
.p2align ARM_BX_ALIGN_LOG2
- sfi_breg r1, \
- ldr r6, [\B, #-4]!
+ ldr r6, [r1, #-4]!
.p2align ARM_BX_ALIGN_LOG2
- sfi_breg r1, \
- ldr r7, [\B, #-4]!
+ ldr r7, [r1, #-4]!
.p2align ARM_BX_ALIGN_LOG2
- sfi_breg r1, \
- ldr r8, [\B, #-4]!
+ ldr r8, [r1, #-4]!
.p2align ARM_BX_ALIGN_LOG2
- sfi_breg r1, \
- ldr lr, [\B, #-4]!
+ ldr lr, [r1, #-4]!
#ifndef ARM_ALWAYS_BX
add pc, pc, ip, lsl #(ARM_BX_ALIGN_LOG2 - 2)
@@ -188,26 +179,19 @@ ENTRY(memmove)
.p2align ARM_BX_ALIGN_LOG2
66: nop
.p2align ARM_BX_ALIGN_LOG2
- sfi_breg r0, \
- str r3, [\B, #-4]!
+ str r3, [r0, #-4]!
.p2align ARM_BX_ALIGN_LOG2
- sfi_breg r0, \
- str r4, [\B, #-4]!
+ str r4, [r0, #-4]!
.p2align ARM_BX_ALIGN_LOG2
- sfi_breg r0, \
- str r5, [\B, #-4]!
+ str r5, [r0, #-4]!
.p2align ARM_BX_ALIGN_LOG2
- sfi_breg r0, \
- str r6, [\B, #-4]!
+ str r6, [r0, #-4]!
.p2align ARM_BX_ALIGN_LOG2
- sfi_breg r0, \
- str r7, [\B, #-4]!
+ str r7, [r0, #-4]!
.p2align ARM_BX_ALIGN_LOG2
- sfi_breg r0, \
- str r8, [\B, #-4]!
+ str r8, [r0, #-4]!
.p2align ARM_BX_ALIGN_LOG2
- sfi_breg r0, \
- str lr, [\B, #-4]!
+ str lr, [r0, #-4]!
#ifdef ARM_ALWAYS_BX
pop {r10}
@@ -225,18 +209,12 @@ ENTRY(memmove)
cfi_restore (r8)
8: movs r2, r2, lsl #31
- sfi_breg r1, \
- ldrbne r3, [\B, #-1]!
- sfi_breg r1, \
- ldrbcs r4, [\B, #-1]!
- sfi_breg r1, \
- ldrbcs ip, [\B, #-1]
- sfi_breg r0, \
- strbne r3, [\B, #-1]!
- sfi_breg r0, \
- strbcs r4, [\B, #-1]!
- sfi_breg r0, \
- strbcs ip, [\B, #-1]
+ ldrbne r3, [r1, #-1]!
+ ldrbcs r4, [r1, #-1]!
+ ldrbcs ip, [r1, #-1]
+ strbne r3, [r0, #-1]!
+ strbcs r4, [r0, #-1]!
+ strbcs ip, [r0, #-1]
#if ((defined (__ARM_ARCH_4T__) && defined (__THUMB_INTERWORK__)) \
|| defined (ARM_ALWAYS_BX))
@@ -252,27 +230,20 @@ ENTRY(memmove)
cfi_restore_state
9: cmp ip, #2
- sfi_breg r1, \
- ldrbgt r3, [\B, #-1]!
- sfi_breg r1, \
- ldrbge r4, [\B, #-1]!
- sfi_breg r1, \
- ldrb lr, [\B, #-1]!
- sfi_breg r0, \
- strbgt r3, [\B, #-1]!
- sfi_breg r0, \
- strbge r4, [\B, #-1]!
+ ldrbgt r3, [r1, #-1]!
+ ldrbge r4, [r1, #-1]!
+ ldrb lr, [r1, #-1]!
+ strbgt r3, [r0, #-1]!
+ strbge r4, [r0, #-1]!
subs r2, r2, ip
- sfi_breg r0, \
- strb lr, [\B, #-1]!
+ strb lr, [r0, #-1]!
blt 8b
ands ip, r1, #3
beq 1b
10: bic r1, r1, #3
cmp ip, #2
- sfi_breg r1, \
- ldr r3, [\B, #0]
+ ldr r3, [r1, #0]
beq 17f
blt 18f
@@ -296,20 +267,18 @@ ENTRY(memmove)
cfi_rel_offset (r8, 12)
cfi_rel_offset (r10, 16)
- PLD( sfi_pld r1, #-4 )
+ PLD( pld [r1, #-4] )
PLD( subs r2, r2, #96 )
- PLD( sfi_pld r1, #-32 )
+ PLD( pld [r1, #-32] )
PLD( blt 13f )
- PLD( sfi_pld r1, #-64 )
- PLD( sfi_pld r1, #-96 )
+ PLD( pld [r1, #-64] )
+ PLD( pld [r1, #-96] )
-12: PLD( sfi_pld r1, #-128 )
-13: sfi_breg r1, \
- ldmdb \B!, {r7, r8, r10, ip}
+12: PLD( pld [r1, #-128] )
+13: ldmdb r1!, {r7, r8, r10, ip}
mov lr, r3, PUSH #\push
subs r2, r2, #32
- sfi_breg r1, \
- ldmdb \B!, {r3, r4, r5, r6}
+ ldmdb r1!, {r3, r4, r5, r6}
orr lr, lr, ip, PULL #\pull
mov ip, ip, PUSH #\push
orr ip, ip, r10, PULL #\pull
@@ -325,8 +294,7 @@ ENTRY(memmove)
orr r5, r5, r4, PULL #\pull
mov r4, r4, PUSH #\push
orr r4, r4, r3, PULL #\pull
- sfi_breg r0, \
- stmdb \B!, {r4 - r8, r10, ip, lr}
+ stmdb r0!, {r4 - r8, r10, ip, lr}
bge 12b
PLD( cmn r2, #96 )
PLD( bge 13b )
@@ -343,12 +311,10 @@ ENTRY(memmove)
beq 16f
15: mov lr, r3, PUSH #\push
- sfi_breg r1, \
- ldr r3, [\B, #-4]!
+ ldr r3, [r1, #-4]!
subs ip, ip, #4
orr lr, lr, r3, PULL #\pull
- sfi_breg r0, \
- str lr, [\B, #-4]!
+ str lr, [r0, #-4]!
bgt 15b
CALGN( cmp r2, #0 )
CALGN( bge 11b )