aboutsummaryrefslogtreecommitdiffstats
path: root/src/freedreno
diff options
context:
space:
mode:
authorHyunjun Ko <[email protected]>2019-11-07 05:32:34 +0000
committerKristian H. Kristensen <[email protected]>2020-02-07 09:53:48 -0800
commit7bddaa61362924ec9dc360a2846cbdc8c647d834 (patch)
tree788d1a328f1f2fb6d5c2f7cdb5b5c27e27a5bf43 /src/freedreno
parent260bd32b58a55ac0d9870497caef3a4602e19d47 (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/freedreno')
-rw-r--r--src/freedreno/ir3/ir3_cp.c11
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;