diff options
| author | Hyunjun Ko <zzoon@igalia.com> | 2019-11-07 05:32:34 +0000 |
|---|---|---|
| committer | Kristian H. Kristensen <hoegsberg@google.com> | 2020-02-07 09:53:48 -0800 |
| commit | 7bddaa61362924ec9dc360a2846cbdc8c647d834 (patch) | |
| tree | 788d1a328f1f2fb6d5c2f7cdb5b5c27e27a5bf43 /src | |
| parent | 260bd32b58a55ac0d9870497caef3a4602e19d47 (diff) | |
freedreno/ir3: Fold const only when the type is float
Tested-by: Marge Bot <https://gitlab.freedesktop.org/mesa/mesa/merge_requests/3737>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/merge_requests/3737>
Diffstat (limited to 'src')
| -rw-r--r-- | src/freedreno/ir3/ir3_cp.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/src/freedreno/ir3/ir3_cp.c b/src/freedreno/ir3/ir3_cp.c index efcefaeb2b2..03bb8cbe091 100644 --- a/src/freedreno/ir3/ir3_cp.c +++ b/src/freedreno/ir3/ir3_cp.c @@ -523,6 +523,17 @@ reg_cp(struct ir3_cp_ctx *ctx, struct ir3_instruction *instr, (src_reg->array.offset == 0)) return false; + /* When narrowing constant from 32b to 16b, it seems + * to work only for float. So we should do this only with + * float opcodes. + */ + if (src->cat1.dst_type == TYPE_F16) { + if (instr->opc == OPC_MOV && !type_float(instr->cat1.src_type)) + return false; + if (!ir3_cat2_float(instr->opc) && !ir3_cat3_float(instr->opc)) + return false; + } + src_reg = ir3_reg_clone(instr->block->shader, src_reg); src_reg->flags = new_flags; instr->regs[n+1] = src_reg; |