Michael Kuperstein a53e706573 [X86] Reapply r240257 : "Allow more call sequences to use push instructions for argument passing" ...

This allows more call sequences to use pushes instead of movs when optimizing for size.
In particular, calling conventions that pass some parameters in registers (e.g. thiscall) are now supported.

This should no longer cause miscompiles, now that a bug in emitPrologue was fixed in r242395.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@242398 91177308-0d34-0410-b5e6-96231b3b80d8

2015-07-16 13:54:14 +00:00

19 KiB

Raw Blame History

View Raw