From 57f0f512b273f60d52568b8c6b77e17f5636edc0 Mon Sep 17 00:00:00 2001 From: André Fabian Silva Delgado Date: Wed, 5 Aug 2015 17:04:01 -0300 Subject: Initial import --- arch/mips/lib/lshrdi3.c | 29 +++++++++++++++++++++++++++++ 1 file changed, 29 insertions(+) create mode 100644 arch/mips/lib/lshrdi3.c (limited to 'arch/mips/lib/lshrdi3.c') diff --git a/arch/mips/lib/lshrdi3.c b/arch/mips/lib/lshrdi3.c new file mode 100644 index 000000000..dcf8d6810 --- /dev/null +++ b/arch/mips/lib/lshrdi3.c @@ -0,0 +1,29 @@ +#include + +#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); -- cgit v1.2.3-54-g00ecf