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author | David S. Miller <davem@davemloft.net> | 2008-12-28 20:19:47 -0800 |
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committer | David S. Miller <davem@davemloft.net> | 2008-12-28 20:19:47 -0800 |
commit | e3c6d4ee545e427b55882d97d3b663c6411645fe (patch) | |
tree | 294326663fb757739a98083c2ddd570d1eaf7337 /arch/sh/lib/ashldi3.c | |
parent | 5bc053089376217943187ed5153d0d1e5c5085b6 (diff) | |
parent | 3c92ec8ae91ecf59d88c798301833d7cf83f2179 (diff) | |
download | linux-e3c6d4ee545e427b55882d97d3b663c6411645fe.tar.gz linux-e3c6d4ee545e427b55882d97d3b663c6411645fe.tar.bz2 linux-e3c6d4ee545e427b55882d97d3b663c6411645fe.zip |
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6
Conflicts:
arch/sparc64/kernel/idprom.c
Diffstat (limited to 'arch/sh/lib/ashldi3.c')
-rw-r--r-- | arch/sh/lib/ashldi3.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/arch/sh/lib/ashldi3.c b/arch/sh/lib/ashldi3.c new file mode 100644 index 000000000000..beb80f316095 --- /dev/null +++ b/arch/sh/lib/ashldi3.c @@ -0,0 +1,29 @@ +#include <linux/module.h> + +#include "libgcc.h" + +long long __ashldi3(long long u, word_type b) +{ + DWunion uu, w; + word_type bm; + + if (b == 0) + return u; + + uu.ll = u; + bm = 32 - b; + + if (bm <= 0) { + w.s.low = 0; + w.s.high = (unsigned int) uu.s.low << -bm; + } else { + const unsigned int carries = (unsigned int) uu.s.low >> bm; + + w.s.low = (unsigned int) uu.s.low << b; + w.s.high = ((unsigned int) uu.s.high << b) | carries; + } + + return w.ll; +} + +EXPORT_SYMBOL(__ashldi3); |