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| author | Giuseppe Cavallaro <peppe.cavallaro@st.com> | 2009-07-13 17:45:09 +0200 |
|---|---|---|
| committer | Carmelo Amoroso <carmelo.amoroso@st.com> | 2009-07-14 07:55:58 +0200 |
| commit | 10373d3ca64c1ec9c519933454a94b459b8fb4e7 (patch) | |
| tree | b20f0c135f8503f6f8358176f628d41da8b99b11 /libc | |
| parent | 9d885748eaf1615cfd9609466b45ccd8cda55cbf (diff) | |
| download | uClibc-alpine-10373d3ca64c1ec9c519933454a94b459b8fb4e7.tar.bz2 uClibc-alpine-10373d3ca64c1ec9c519933454a94b459b8fb4e7.tar.xz | |
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')
| -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 b02d614df..4a26d4eaa 100644 --- a/libc/string/sh/sh4/memcpy.S +++ b/libc/string/sh/sh4/memcpy.S @@ -128,10 +128,10 @@ 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 @@ -729,30 +729,30 @@ 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) + 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 |