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-rw-r--r--src/mesa/shader/slang/slang_emit.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/src/mesa/shader/slang/slang_emit.c b/src/mesa/shader/slang/slang_emit.c
index 9e8daa10517..f3c3fa6c5b3 100644
--- a/src/mesa/shader/slang/slang_emit.c
+++ b/src/mesa/shader/slang/slang_emit.c
@@ -1579,13 +1579,17 @@ emit_array_element(slang_emit_info *emitInfo, slang_ir_node *n)
else {
/* Variable array index */
struct prog_instruction *inst;
+ slang_ir_storage dstStore = *n->Store;
/* do codegen for array index expression */
emit(emitInfo, n->Children[1]);
inst = new_instruction(emitInfo, OPCODE_ARL);
- storage_to_dst_reg(&inst->DstReg, n->Store, n->Writemask);
+ if (dstStore.Size > 4)
+ dstStore.Size = 4; /* only emit one instruction */
+
+ storage_to_dst_reg(&inst->DstReg, &dstStore, n->Writemask);
storage_to_src_reg(&inst->SrcReg[0], n->Children[1]->Store);
inst->DstReg.File = PROGRAM_ADDRESS;