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| author | Alyssa Rosenzweig <[email protected]> | 2020-05-11 15:05:27 -0400 |
|---|---|---|
| committer | Marge Bot <[email protected]> | 2020-05-21 17:49:14 +0000 |
| commit | 1ff2cabe87601d95bf945339ee1b3ea4b4d8bc72 (patch) | |
| tree | e16e344695ad901ac26d1ee3de8097028e02223a | |
| parent | 51582e54541a35b4eddd7dab98d8f676bcc46c53 (diff) | |
pan/mdg: Use type size to determine alignment
Generally, f16 needs to be aligned to 16-bit, f32 to 32-bit, ...
Signed-off-by: Alyssa Rosenzweig <[email protected]>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/5151>
| -rw-r--r-- | src/panfrost/midgard/midgard_ra.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/src/panfrost/midgard/midgard_ra.c b/src/panfrost/midgard/midgard_ra.c index 52f6f11f0a0..95fd30ec337 100644 --- a/src/panfrost/midgard/midgard_ra.c +++ b/src/panfrost/midgard/midgard_ra.c @@ -519,9 +519,11 @@ allocate_registers(compiler_context *ctx, bool *spilled) int dest = ins->dest; found_class[dest] = MAX2(found_class[dest], bytes); - /* XXX: Ensure swizzles align the right way with more LCRA constraints? */ - if (ins->type == TAG_ALU_4 && size != 32) - min_alignment[dest] = 3; /* (1 << 3) = 8 */ + min_alignment[dest] = + (size == 16) ? 1 : /* (1 << 1) = 2-byte */ + (size == 32) ? 2 : /* (1 << 2) = 4-byte */ + (size == 64) ? 3 : /* (1 << 3) = 8-byte */ + 3; /* 8-bit todo */ if (ins->type == TAG_LOAD_STORE_4 && ins->load_64) min_alignment[dest] = 3; |