| commit | c092e74dbb6b2000f7a8037b84cd1f4191d42976 | |
| author | Michael O'Farrell <michaelofarrell@fb.com> | |
| Wed, 31 Mar 2021 18:05:20 +0000 (31 11:05 -0700) | ||
| committer | Facebook GitHub Bot <facebook-github-bot@users.noreply.github.com> | |
| Wed, 31 Mar 2021 18:06:51 +0000 (31 11:06 -0700) | ||
| tree | ac443ca2db2b91e68eded31e898b60ac82ff019c | treesnapshot (tar.gz zip) |
| parent | d0bd985e9f2b623b2c325b99acc41c83d663e7b0 | commitdiff |
Add unrecorebasenativesp vinstr
Summary: In order to put native stack operations in a tail position in a vasm unit, we need a vinstr to tell the register allocator we want to operate directly on the native stack again. This op lets us contain spill space put in by the register allocators so we can then play with the frame using ops like `stublogue` `unstublogue` etc. This is the logical opposite of `recordbasenativesp`.
Reviewed By: ricklavoie
Differential Revision: D27408151
fbshipit-source-id: f2591cff1dac3cf76dc531cdc20db08c70ac0e18
Summary: In order to put native stack operations in a tail position in a vasm unit, we need a vinstr to tell the register allocator we want to operate directly on the native stack again. This op lets us contain spill space put in by the register allocators so we can then play with the frame using ops like `stublogue` `unstublogue` etc. This is the logical opposite of `recordbasenativesp`.
Reviewed By: ricklavoie
Differential Revision: D27408151
fbshipit-source-id: f2591cff1dac3cf76dc531cdc20db08c70ac0e18