lk/linux-kernel-test
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

sh: Fix up optimized SH-4 memcpy on big endian.

Browse Source 
Signed-off-by: Hideo Saito <saito@densan.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
This commit is contained in:
Hideo Saito
2008-05-15 13:28:46 +09:00
committed by Paul Mundt
parent 972ad0e0d5
commit e08b954c9a
1 changed files with 11 additions and 11 deletions
Download Patch File Download Diff File Expand all files Collapse all files

22
arch/sh/lib/memcpy-sh4.S
View File

@@ -126,10 +126,10 @@
mov.l r3,@-r0 ! 30 LS mov.l r3,@-r0 ! 30 LS
#else #else
3: mov r1,r3 ! OPQR 3: mov r7,r3 ! OPQR
shlr8 r3 ! xOPQ shlr8 r3 ! xOPQ
mov.l @(r0,r5),r1 ! KLMN mov.l @(r0,r5),r7 ! KLMN
mov r1,r6 mov r7,r6
shll16 r6 shll16 r6
shll8 r6 ! Nxxx shll8 r6 ! Nxxx
or r6,r3 ! NOPQ or r6,r3 ! NOPQ
@@ -733,24 +733,24 @@ ENTRY(memcpy)
movca.l r0,@r1 ! 40 LS (latency=3-7) movca.l r0,@r1 ! 40 LS (latency=3-7)
add #-0x1c, r1 ! 50 EX add #-0x1c, r1 ! 50 EX
mov.l r3, @(0x1c,r1) ! 33 LS mov.l r3, @(0x18,r1) ! 33 LS
xtrct r11, r10 ! 48 EX xtrct r11, r10 ! 48 EX
mov.l r6, @(0x18,r1) ! 33 LS mov.l r6, @(0x14,r1) ! 33 LS
xtrct r12, r11 ! 48 EX xtrct r12, r11 ! 48 EX
mov.l r7, @(0x14,r1) ! 33 LS mov.l r7, @(0x10,r1) ! 33 LS
mov.l r8, @(0x10,r1) ! 33 LS mov.l r8, @(0x0c,r1) ! 33 LS
add #-0x3e, r5 ! 50 EX add #-0x1e, r5 ! 50 EX
mov.l r9, @(0x0c,r1) ! 33 LS mov.l r9, @(0x08,r1) ! 33 LS
cmp/eq r2,r1 ! 54 MT cmp/eq r2,r1 ! 54 MT
mov.l r10, @(0x08,r1) ! 33 LS mov.l r10, @(0x04,r1) ! 33 LS
bf/s 2b ! 109 BR bf/s 2b ! 109 BR
mov.l r11, @(0x04,r1) ! 33 LS mov.l r11, @(0x00,r1) ! 33 LS
#endif #endif
mov.l @r15+, r12 mov.l @r15+, r12