summaryrefslogtreecommitdiffstats
path: root/arch/sh/lib
diff options
context:
space:
mode:
Diffstat (limited to 'arch/sh/lib')
-rw-r--r--arch/sh/lib/checksum.S3
-rw-r--r--arch/sh/lib/memcpy-sh4.S4
-rw-r--r--arch/sh/lib/memset.S1
3 files changed, 5 insertions, 3 deletions
diff --git a/arch/sh/lib/checksum.S b/arch/sh/lib/checksum.S
index 7c50dfe68c0..cbdd0d40e54 100644
--- a/arch/sh/lib/checksum.S
+++ b/arch/sh/lib/checksum.S
@@ -202,8 +202,9 @@ ENTRY(csum_partial_copy_generic)
cmp/pz r6 ! Jump if we had at least two bytes.
bt/s 1f
clrt
+ add #2,r6 ! r6 was < 2. Deal with it.
bra 4f
- add #2,r6 ! r6 was < 2. Deal with it.
+ mov r6,r2
3: ! Handle different src and dest alignments.
! This is not common, so simple byte by byte copy will do.
diff --git a/arch/sh/lib/memcpy-sh4.S b/arch/sh/lib/memcpy-sh4.S
index db6b736537a..560bc17eebd 100644
--- a/arch/sh/lib/memcpy-sh4.S
+++ b/arch/sh/lib/memcpy-sh4.S
@@ -727,8 +727,8 @@ ENTRY(memcpy)
mov.l @(0x04,r5), r11 ! 18 LS (latency=2)
xtrct r9, r8 ! 48 EX
- mov.w @(0x02,r5), r12 ! 18 LS (latency=2)
- xtrct r10, r9 ! 48 EX
+ mov.l @(0x00,r5), r12 ! 18 LS (latency=2)
+ xtrct r10, r9 ! 48 EX
movca.l r0,@r1 ! 40 LS (latency=3-7)
add #-0x1c, r1 ! 50 EX
diff --git a/arch/sh/lib/memset.S b/arch/sh/lib/memset.S
index 95670090680..af91fe2b72a 100644
--- a/arch/sh/lib/memset.S
+++ b/arch/sh/lib/memset.S
@@ -29,6 +29,7 @@ ENTRY(memset)
bf/s 1b
mov.b r5,@-r4
2: ! make VVVV
+ extu.b r5,r5
swap.b r5,r0 ! V0
or r0,r5 ! VV
swap.w r5,r0 ! VV00