tree f3a35d7d1c63b966688733969a1f5c251303ea0b
parent 0105ece171d97ecdbc283f18e84966f61d8faf69
author David Benjamin <davidben@chromium.org> 1417551743 -0500
committer Adam Langley <agl@google.com> 1417552105 +0000

Don't use _umul128 for Windows clang.

Windows clang lacks _umul128, but it has inline assembly so just use
that.

Change-Id: I6ff5d2465edc703a4d47ef0efbcea43d6fcc79fa
Reviewed-on: https://boringssl-review.googlesource.com/2454
Reviewed-by: Adam Langley <agl@google.com>