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author | Dmitry Torokhov <dtor_core@ameritech.net> | 2006-06-26 01:31:38 -0400 |
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committer | Dmitry Torokhov <dtor_core@ameritech.net> | 2006-06-26 01:31:38 -0400 |
commit | 4854c7b27f0975a2b629f35ea3996d2968eb7c4f (patch) | |
tree | 4102bdb70289764a2058aff0f907b13d7cf0e0d1 /arch/mips/lib/lshrdi3.c | |
parent | 3cbd5b32cb625f5c0f1b1476d154fac873dd49ce (diff) | |
parent | fcc18e83e1f6fd9fa6b333735bf0fcd530655511 (diff) | |
download | op-kernel-dev-4854c7b27f0975a2b629f35ea3996d2968eb7c4f.zip op-kernel-dev-4854c7b27f0975a2b629f35ea3996d2968eb7c4f.tar.gz |
Merge rsync://rsync.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'arch/mips/lib/lshrdi3.c')
-rw-r--r-- | arch/mips/lib/lshrdi3.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/arch/mips/lib/lshrdi3.c b/arch/mips/lib/lshrdi3.c new file mode 100644 index 0000000..dcf8d68 --- /dev/null +++ b/arch/mips/lib/lshrdi3.c @@ -0,0 +1,29 @@ +#include <linux/module.h> + +#include "libgcc.h" + +long long __lshrdi3(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.high = 0; + w.s.low = (unsigned int) uu.s.high >> -bm; + } else { + const unsigned int carries = (unsigned int) uu.s.high << bm; + + w.s.high = (unsigned int) uu.s.high >> b; + w.s.low = ((unsigned int) uu.s.low >> b) | carries; + } + + return w.ll; +} + +EXPORT_SYMBOL(__lshrdi3); |