X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?a=blobdiff_plain;f=kernel%2Farch%2Fmicroblaze%2Flib%2Fashldi3.c;fp=kernel%2Farch%2Fmicroblaze%2Flib%2Fashldi3.c;h=1af904cd972d064e2a249b6299da8d06106393a5;hb=9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00;hp=0000000000000000000000000000000000000000;hpb=98260f3884f4a202f9ca5eabed40b1354c489b29;p=kvmfornfv.git diff --git a/kernel/arch/microblaze/lib/ashldi3.c b/kernel/arch/microblaze/lib/ashldi3.c new file mode 100644 index 000000000..1af904cd9 --- /dev/null +++ b/kernel/arch/microblaze/lib/ashldi3.c @@ -0,0 +1,28 @@ +#include + +#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);