diff options
| author | Rob Clark <robclark@freedesktop.org> | 2016-04-24 11:40:12 -0400 |
|---|---|---|
| committer | Rob Clark <robclark@freedesktop.org> | 2016-04-24 13:40:57 -0400 |
| commit | 0831eb94b9adde3f1542ca75a1f80dbe165b8f31 (patch) | |
| tree | 42e24a59bea37a8518e727b2ae95e7cb62b1a16e | |
| parent | 36c9ea6e79267d62e8d71cc51c6d6db4bdb6f977 (diff) | |
freedreno/ir3: relax restriction in grouping
Currently we were two restrictive, and would insert an output move in
cases like: MOV OUT[0], IN[0].xyzw
Loosen the restriction to allow the current instruction to appear in the
neighbor list but only at it's current possition.
Signed-off-by: Rob Clark <robclark@freedesktop.org>
| -rw-r--r-- | src/gallium/drivers/freedreno/ir3/ir3_group.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/src/gallium/drivers/freedreno/ir3/ir3_group.c b/src/gallium/drivers/freedreno/ir3/ir3_group.c index f229fe6eecd..633d66c58d4 100644 --- a/src/gallium/drivers/freedreno/ir3/ir3_group.c +++ b/src/gallium/drivers/freedreno/ir3/ir3_group.c @@ -92,8 +92,10 @@ static struct group_ops instr_ops = { instr_get, instr_insert_mov }; /* verify that cur != instr, but cur is also not in instr's neighbor-list: */ static bool -in_neighbor_list(struct ir3_instruction *instr, struct ir3_instruction *cur) +in_neighbor_list(struct ir3_instruction *instr, struct ir3_instruction *cur, int pos) { + int idx = 0; + if (!instr) return false; @@ -101,7 +103,7 @@ in_neighbor_list(struct ir3_instruction *instr, struct ir3_instruction *cur) return true; for (instr = ir3_neighbor_first(instr); instr; instr = instr->cp.right) - if (instr == cur) + if ((idx++ != pos) && (instr == cur)) return true; return false; @@ -137,7 +139,7 @@ restart: /* we also can't have an instr twice in the group: */ for (j = i + 1; (j < n) && !conflict; j++) - if (in_neighbor_list(ops->get(arr, j), instr)) + if (in_neighbor_list(ops->get(arr, j), instr, i)) conflict = true; if (conflict) { |