diff options
| author | Eric Anholt <[email protected]> | 2020-04-09 15:10:08 -0700 |
|---|---|---|
| committer | Marge Bot <[email protected]> | 2020-04-29 19:46:08 +0000 |
| commit | a1de267a21acacc4c77bbb94127bfbf1caa4bfc8 (patch) | |
| tree | 5bf60287a83dcc6cc84f7931342f91a53ae141a8 /src/util | |
| parent | 5bcaf30aba08b718e913b10745df5e92854ed5b6 (diff) | |
util/ra: Sanity check that we're adding a valid reg to a class.
BITSET_SET might not segfault on you right away if you're just slightly
off, and an assert is nicer anyway.
Reviewed-by: Kenneth Graunke <[email protected]>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4537>
Diffstat (limited to 'src/util')
| -rw-r--r-- | src/util/register_allocate.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/src/util/register_allocate.c b/src/util/register_allocate.c index a65b5ea154f..68d4a13ca1e 100644 --- a/src/util/register_allocate.c +++ b/src/util/register_allocate.c @@ -371,6 +371,8 @@ ra_class_add_reg(struct ra_regs *regs, unsigned int c, unsigned int r) { struct ra_class *class = regs->classes[c]; + assert(r < regs->count); + BITSET_SET(class->regs, r); class->p++; } |