Explicitly access %0..%2 as 64-bit so we use the right registers for x32 ABI #152

1. 
   luke-jr commented at 5:28 pm on December 9, 2014: member
2. travis: add clang to the test matrix 2a1edb5e01
3. Avoid the stack in assembly and use explicit registers c3557c5858
4. Explicitly access %0..%2 as 64-bit so we use the right registers for x32 ABI f8ebe6646d
5. luke-jr force-pushed on Dec 9, 2014
6. 
   sipa commented at 5:58 pm on December 9, 2014: contributor

   Cherry picked into #142.
7. 
   sipa commented at 11:51 pm on December 10, 2014: contributor

   Merged as f22d73e.
8. sipa closed this on Dec 10, 2014

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luke-jr sipa