diff options
author | Russell King <rmk@dyn-67.arm.linux.org.uk> | 2006-03-08 12:25:33 -0500 |
---|---|---|
committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2006-03-08 12:25:33 -0500 |
commit | 3c8fdae78cf5d73c6739912a1ff087c0f23b2a47 (patch) | |
tree | 85203dba56f72d897ffa073aa53fb03b011f4e52 /arch/arm | |
parent | 7986824e4e31d6c66f39d2f11ab93fcfed21f593 (diff) |
[ARM] Fix muldi3.S
When shifting the low-parts of signed numbers, a logical shift
should be used to avoid sign-extending a bit which isn't a sign
bit.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm')
-rw-r--r-- | arch/arm/lib/muldi3.S | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/arm/lib/muldi3.S b/arch/arm/lib/muldi3.S index 72d594184b8a..d89c60615794 100644 --- a/arch/arm/lib/muldi3.S +++ b/arch/arm/lib/muldi3.S | |||
@@ -29,8 +29,8 @@ ENTRY(__aeabi_lmul) | |||
29 | 29 | ||
30 | mul xh, yl, xh | 30 | mul xh, yl, xh |
31 | mla xh, xl, yh, xh | 31 | mla xh, xl, yh, xh |
32 | mov ip, xl, asr #16 | 32 | mov ip, xl, lsr #16 |
33 | mov yh, yl, asr #16 | 33 | mov yh, yl, lsr #16 |
34 | bic xl, xl, ip, lsl #16 | 34 | bic xl, xl, ip, lsl #16 |
35 | bic yl, yl, yh, lsl #16 | 35 | bic yl, yl, yh, lsl #16 |
36 | mla xh, yh, ip, xh | 36 | mla xh, yh, ip, xh |