nvc0/ir: fix load propagation for sub 4 byte addressing

Signed-off-by: Karol Herbst <kherbst@redhat.com> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/6433>
2020-08-21 21:37:03 +02:00
parent 036f1c29fc
commit 1c9efcd7a6
1 changed files with 6 additions and 0 deletions
@@ -387,6 +387,12 @@ TargetNVC0::insnCanLoad(const Instruction *i, int s,
      }
   }

+   // only loads can do sub 4 byte addressing
+   if (sf == FILE_MEMORY_CONST &&
+       (ld->getSrc(0)->reg.data.offset & 0x3)
+       && i->op != OP_LOAD)
+      return false;
+
   // not all instructions support full 32 bit immediates
   if (sf == FILE_IMMEDIATE) {
      Storage &reg = ld->getSrc(0)->asImm()->reg;