dxa: remove async-barriers macro from smoke path and fix rtlsim build dupes

Author: chengxuan99

ci/regression.sh.in

@@ -116,7 +116,7 @@ dxa()
     make -C runtime/simx
 
     # Keep a deterministic passing config for CI.
-    CONFIGS="-DEXT_DXA_ENABLE -DEXT_TXBAR_ENABLE -DEXT_DXA_CLUSTER_LEVEL_ENABLE -DVX_ASYNC_BARRIERS_PER_CTA=3" ./ci/blackbox.sh --driver=simx --app=sgemm2_dxa --args="-n16 -t4 -c4 -m2"
+    CONFIGS="-DEXT_DXA_ENABLE -DEXT_TXBAR_ENABLE -DEXT_DXA_CLUSTER_LEVEL_ENABLE" ./ci/blackbox.sh --driver=simx --app=sgemm2_dxa --args="-n16 -t4 -c4 -m2"
 
     echo "dxa tests done!"
 }

hw/rtl/VX_gpu_pkg.sv

@@ -396,7 +396,6 @@ package VX_gpu_pkg;
     localparam INST_SFU_CSRRC =  4'h8;
 `ifdef EXT_DXA_ENABLE
     localparam INST_SFU_DXA =    4'h9;
-    localparam INST_SFU_DXA =    INST_SFU_DXA; // compatibility alias
 `endif
     localparam INST_SFU_BITS =   4;
 
@@ -586,7 +585,6 @@ package VX_gpu_pkg;
         wctl_args_t wctl;
     `ifdef EXT_DXA_ENABLE
         dxa_args_t  dxa;
-        dxa_args_t  dxa;
     `endif
     `ifdef EXT_TCU_ENABLE
         tcu_args_t  tcu;

tests/regression/sgemm2_dxa/Makefile

@@ -12,6 +12,5 @@ VX_SRCS := $(SRC_DIR)/kernel.cpp
 OPTS ?= -n16 -t4 -c4 -m2
 
 CONFIGS += -DEXT_DXA_ENABLE -DEXT_TXBAR_ENABLE -DEXT_DXA_CLUSTER_LEVEL_ENABLE
-CONFIGS += -DVX_ASYNC_BARRIERS_PER_CTA=3
 
 include ../common.mk