ir3/dce: Support multiple destinations

Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/14107>
2021-12-01 16:24:46 +01:00 · 2021-12-01 16:24:46 +01:00 · a6be8fd0ea
parent 89217f636c
commit a6be8fd0ea
1 changed files with 4 additions and 2 deletions
--- a/src/freedreno/ir3/ir3_dce.c
+++ b/src/freedreno/ir3/ir3_dce.c
@ -53,8 +53,10 @@ instr_dce(struct ir3_instruction *instr, bool falsedep)
   if (ir3_instr_check_mark(instr))
      return;

-   if (writes_gpr(instr))
-      mark_array_use(instr, instr->dsts[0]); /* dst */
+   foreach_dst (dst, instr) {
+      if (is_dest_gpr(dst))
+         mark_array_use(instr, dst);
+   }

   foreach_src (reg, instr)
      mark_array_use(instr, reg); /* src */