diff options
| author | Kwok Cheung Yeung <kcy@codesourcery.com> | 2019-11-07 00:07:04 +0000 |
|---|---|---|
| committer | Kwok Cheung Yeung <kcy@gcc.gnu.org> | 2019-11-07 00:07:04 +0000 |
| commit | ff33d18785b1190441742b27fb89bb970c8b9258 (patch) | |
| tree | 550dfd60b511c26ceb38535232227e59225ef6c5 /gcc/c | |
| parent | 7b88f66de61f4533bbd7ae0124c4260c2959f1e0 (diff) | |
| download | gcc-ff33d18785b1190441742b27fb89bb970c8b9258.zip gcc-ff33d18785b1190441742b27fb89bb970c8b9258.tar.gz gcc-ff33d18785b1190441742b27fb89bb970c8b9258.tar.bz2 | |
Support using multiple registers to hold the frame pointer
When multiple hard registers are required to hold the frame pointer,
ensure that the registers after the first are marked as non-allocatable,
live and eliminable as well.
2019-11-07 Kwok Cheung Yeung <kcy@codesourcery.com>
gcc/
* ira.c (setup_alloc_regs): Setup no_unit_alloc_regs for
frame pointer in multiple registers.
(ira_setup_eliminable_regset): Setup eliminable_regset,
ira_no_alloc_regs and regs_ever_live for frame pointer in
multiple registers.
From-SVN: r277895
Diffstat (limited to 'gcc/c')
0 files changed, 0 insertions, 0 deletions