tree 56afadd7b7dcbf0cb636d39a7a7a3f71acc4b671
parent 037fa1d997307fd68c7e6d9c385e30890d65604d
author Jan Voung <jvoung@chromium.org> 1412706010 -0700
committer Jan Voung <jvoung@chromium.org> 1412706010 -0700

emitIAS for push -- simplify push since it's not used for args passing anymore

Since push isn't used for args passing anymore, the cases of handling
push for vectors and floats/doubles isn't needed anymore. Passing
vectors requires a bit more care of alignment, so that was changed.

I can imagine push needing to handle addresses later (at least on
x86-64 to push the lower 32-bits of return address), but for now,
this means only handling GPRs. The XMM registers are not callee saved.

BUG=none
R=stichnot@chromium.org

Review URL: https://codereview.chromium.org/633553003