impl option w/ only 2 SBs; stall so SBs are cleared before div or reconv

1 files changed, 3 insertions, 0 deletions

diff --git a/src/gpgpu-sim/shader.h b/src/gpgpu-sim/shader.h
index ebcfc8d..92d6d33 100644
--- a/src/gpgpu-sim/shader.h
+++ b/src/gpgpu-sim/shader.h
@@ -1679,6 +1679,9 @@ class ldst_unit : public pipelined_simd_unit {
     // matching simd_set's source_mask. Empty for primary access (which
     // uses pipe_reg's own get_active_mask() at release time).
     active_mask_t source_mask;
+    // Mode 2: source_inst's owning ibuffer half (0 or 1). For primary
+    // access (non-co-issue), defaults to 0 (composite IS the primary).
+    unsigned source_slot_id;
   };
   mem_src_t resolve_source(const warp_inst_t &inst,
                             unsigned access_src_wid,