diff options
| author | Rob Clark <[email protected]> | 2020-01-27 08:29:35 -0800 |
|---|---|---|
| committer | Marge Bot <[email protected]> | 2020-02-01 02:40:22 +0000 |
| commit | 752aeb7b3fe75b3c6ce8d9dadaba9c4111fa7254 (patch) | |
| tree | 5c612796e3ac981a391333cf0ba43058252d8cf0 /src/freedreno/ir3 | |
| parent | 8d0e7d9a4c1cfe28b3cd2356e94e287e82821e1a (diff) | |
freedreno/ir3: simplify split from collect
In some cases we need to split components out from what was already a
collect. That was making it hard to DCE unused components of the
collect. (Ie. unused components of fragcoord, etc)
So just detect this case and skip the chained collect+split.
Signed-off-by: Rob Clark <[email protected]>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/merge_requests/3569>
Diffstat (limited to 'src/freedreno/ir3')
| -rw-r--r-- | src/freedreno/ir3/ir3_context.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/src/freedreno/ir3/ir3_context.c b/src/freedreno/ir3/ir3_context.c index 33e73bcb216..b44dc4a67f3 100644 --- a/src/freedreno/ir3/ir3_context.c +++ b/src/freedreno/ir3/ir3_context.c @@ -323,6 +323,16 @@ ir3_split_dest(struct ir3_block *block, struct ir3_instruction **dst, return; } + if (src->opc == OPC_META_COLLECT) { + debug_assert((base + n) < src->regs_count); + + for (int i = 0; i < n; i++) { + dst[i] = ssa(src->regs[i + base + 1]); + } + + return; + } + unsigned flags = dest_flags(src); for (int i = 0, j = 0; i < n; i++) { |