diff options
| author | Giuseppe Cavallaro <peppe.cavallaro@st.com> | 2009-07-13 17:45:09 +0200 |
|---|---|---|
| committer | Carmelo Amoroso <carmelo.amoroso@st.com> | 2009-07-14 07:56:25 +0200 |
| commit | 9952af00f1cc08a5605d6c57578d09a89adb64f4 (patch) | |
| tree | 25c4d84d65e5291cfc7dc384da99d2de267d55ad /libc/string/sh/sh4 | |
| parent | c06402cccc4c6278d762900e6a205394638d9c22 (diff) | |
sh: Fix up optimized SH-4 memcpy on big endian.
Signed-off-by: Hideo Saito <saito@densan.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Signed-off-by: Giuseppe Cavallaro <peppe.cavallaro@st.com>
See Linux Kernel commit:
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=e08b954c9a140f2062649faec72514eb505f18c3
Signed-off-by: Carmelo Amoroso <carmelo.amoroso@st.com>
Diffstat (limited to 'libc/string/sh/sh4')
| -rw-r--r-- | libc/string/sh/sh4/memcpy.S | 24 |
1 files changed, 12 insertions, 12 deletions
diff --git a/libc/string/sh/sh4/memcpy.S b/libc/string/sh/sh4/memcpy.S index 2d918293e..0954bce85 100644 --- a/libc/string/sh/sh4/memcpy.S +++ b/libc/string/sh/sh4/memcpy.S @@ -127,10 +127,10 @@ mov.l r3,@-r0 ! 30 LS #else -3: mov r1,r3 ! OPQR +3: mov r7,r3 ! OPQR shlr8 r3 ! xOPQ - mov.l @(r0,r5),r1 ! KLMN - mov r1,r6 + mov.l @(r0,r5),r7 ! KLMN + mov r7,r6 shll16 r6 shll8 r6 ! Nxxx or r6,r3 ! NOPQ @@ -733,30 +733,30 @@ memcpy: mov.l @(0x04,r5), r11 ! 18 LS (latency=2) xtrct r9, r8 ! 48 EX - mov.w @(0x02,r5), r12 ! 18 LS (latency=2) + 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 - mov.l r3, @(0x1c,r1) ! 33 LS + mov.l r3, @(0x18,r1) ! 33 LS xtrct r11, r10 ! 48 EX - mov.l r6, @(0x18,r1) ! 33 LS + mov.l r6, @(0x14,r1) ! 33 LS 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 - add #-0x3e, r5 ! 50 EX + mov.l r8, @(0x0c,r1) ! 33 LS + 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 - mov.l r10, @(0x08,r1) ! 33 LS + mov.l r10, @(0x04,r1) ! 33 LS bf/s 2b ! 109 BR - mov.l r11, @(0x04,r1) ! 33 LS + mov.l r11, @(0x00,r1) ! 33 LS #endif mov.l @r15+, r12 |