Merging r215295:
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r215295 | compnerd | 2014-08-09 21:17:37 +0100 (Sat, 09 Aug 2014) | 10 lines

builtins: correct __umodsi3, __udivsi3 on ARM

When building the builtins for a modern CPU (idiv support), __umodsi3 was
completely incorrect as it would behave as __udivmosi3, which takes a tertiary
parameter which is a pointer.

__udivsi3 was also incorrect, returning the remainder in r1.  Although this
would not result in any crash or invalid behaviour as r1 is a caller saved
register in AAPCS, this is unnecessary.  Simply perform the division ignoring
the remainder.
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git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/branches/release_35@216035 91177308-0d34-0410-b5e6-96231b3b80d8