diff options
| author | Christoph Bumiller <e0425955@student.tuwien.ac.at> | 2010-07-24 21:17:21 +0200 |
|---|---|---|
| committer | Christoph Bumiller <e0425955@student.tuwien.ac.at> | 2010-07-24 21:20:40 +0200 |
| commit | 1d1bb206122b719d6959eceddd511a0294816a9a (patch) | |
| tree | 5bbe273bdaabcc577676dd4c4d657f724bd94858 /src/gallium/drivers/nv50/nv50_pc_optimize.c | |
| parent | d7aac107e64e1c4c1af30806817a2888e7a4a96c (diff) | |
nv50: don't produce MOV immediate to output reg in store opt
Diffstat (limited to 'src/gallium/drivers/nv50/nv50_pc_optimize.c')
| -rw-r--r-- | src/gallium/drivers/nv50/nv50_pc_optimize.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/src/gallium/drivers/nv50/nv50_pc_optimize.c b/src/gallium/drivers/nv50/nv50_pc_optimize.c index 0811420e42..f81384f00d 100644 --- a/src/gallium/drivers/nv50/nv50_pc_optimize.c +++ b/src/gallium/drivers/nv50/nv50_pc_optimize.c @@ -266,11 +266,10 @@ nv_pass_fold_stores(struct nv_pass *ctx, struct nv_basic_block *b) int j; for (sti = b->entry; sti; sti = sti->next) { - if (!sti->def[0]) + if (!sti->def[0] || sti->def[0]->reg.file != NV_FILE_OUT) continue; - if (sti->def[0]->reg.file != NV_FILE_OUT) - continue; + /* only handling MOV to $oX here */ if (sti->opcode != NV_OP_MOV && sti->opcode != NV_OP_STA) continue; @@ -282,8 +281,13 @@ nv_pass_fold_stores(struct nv_pass *ctx, struct nv_basic_block *b) if (nvi->def[0]->refc > 1) continue; + /* cannot MOV immediate to $oX */ + if (nvi->src[0]->value->reg.file == NV_FILE_IMM) + continue; + nvi->def[0] = sti->def[0]; - nvi->fixed = 1; + sti->def[0] = NULL; + nvi->fixed = sti->fixed; sti->fixed = 0; } DESCEND_ARBITRARY(j, nv_pass_fold_stores); |