diff options
| author | Eric Anholt <[email protected]> | 2014-07-16 09:09:05 -0700 |
|---|---|---|
| committer | Eric Anholt <[email protected]> | 2014-08-08 18:59:47 -0700 |
| commit | 32948ca768fec6debdcdafa58bce2b65c328250d (patch) | |
| tree | 78d8202736f4799c148a19f74f6c2c5bf0b6dd3e /src/gallium/drivers | |
| parent | 6ff2129d5842898eb87d2a457ee018fe66471f06 (diff) | |
vc4: Add more useful debug for the undefined-source case
We could get undefined sources in real programs from the wild, so we'll
need to turn off this debug eventually. But for now, using undefined
sources is typically me just mistyping something.
Diffstat (limited to 'src/gallium/drivers')
| -rw-r--r-- | src/gallium/drivers/vc4/vc4_qpu_emit.c | 17 |
1 files changed, 12 insertions, 5 deletions
diff --git a/src/gallium/drivers/vc4/vc4_qpu_emit.c b/src/gallium/drivers/vc4/vc4_qpu_emit.c index da47539af0f..6b047023e56 100644 --- a/src/gallium/drivers/vc4/vc4_qpu_emit.c +++ b/src/gallium/drivers/vc4/vc4_qpu_emit.c @@ -266,11 +266,18 @@ vc4_generate_code(struct qcompile *c) src[i] = qpu_rn(0); break; case QFILE_TEMP: - assert(reg_allocated[index] != -1); - src[i] = allocate_to_qpu_reg[reg_allocated[index]]; - reg_uses_remaining[index]--; - if (reg_uses_remaining[index] == 0) - reg_in_use[reg_allocated[index]] = false; + if (reg_allocated[index] == -1) { + fprintf(stderr, "undefined reg use: "); + qir_dump_inst(qinst); + fprintf(stderr, "\n"); + + src[i] = qpu_rn(0); + } else { + src[i] = allocate_to_qpu_reg[reg_allocated[index]]; + reg_uses_remaining[index]--; + if (reg_uses_remaining[index] == 0) + reg_in_use[reg_allocated[index]] = false; + } break; case QFILE_UNIF: src[i] = qpu_unif(); |