diff options
| author | Eric Anholt <[email protected]> | 2015-10-23 16:34:01 +0100 |
|---|---|---|
| committer | Eric Anholt <[email protected]> | 2015-10-23 18:11:21 +0100 |
| commit | 817a7eb588c7d6536cb469f4ca7447b49268bc00 (patch) | |
| tree | d8712494f4d2d5ec5bd1b4f0454a622ca1c8546a | |
| parent | 5b2fb138bc5ff68af27d8435cbc01f83a09ee078 (diff) | |
vc4: Don't try to CSE non-SSA instructions.
This can happen when we're doing destination packing -- we don't know
what's in the rest of the register.
Signed-off-by: Eric Anholt <[email protected]>
| -rw-r--r-- | src/gallium/drivers/vc4/vc4_opt_cse.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/src/gallium/drivers/vc4/vc4_opt_cse.c b/src/gallium/drivers/vc4/vc4_opt_cse.c index 0e5480ea781..8b4d429074c 100644 --- a/src/gallium/drivers/vc4/vc4_opt_cse.c +++ b/src/gallium/drivers/vc4/vc4_opt_cse.c @@ -65,6 +65,7 @@ vc4_find_cse(struct vc4_compile *c, struct hash_table *ht, struct qinst *inst, uint32_t sf_count) { if (inst->dst.file != QFILE_TEMP || + !c->defs[inst->dst.index] || inst->op == QOP_MOV || qir_get_op_nsrc(inst->op) > 4) { return NULL; |