More signal cleanup

pipelined/regression/lint-wally

@@ -5,9 +5,9 @@ export PATH=$PATH:/usr/local/bin/
 verilator=`which verilator`
 
 basepath=$(dirname $0)/..
-for config in rv64gc rv32e rv32gc rv32ic ; do
+for config in rv32e rv64gc rv32gc rv32ic ; do
     echo "$config linting..."
-    if !($verilator --Wall --lint-only "$@" --top-module wallypipelinedsoc "-I$basepath/config/shared" "-I$basepath/config/$config" $basepath/src/*/*.sv $basepath/src/*/*/*.sv --relative-includes); then
+    if !($verilator --lint-only "$@" --top-module wallypipelinedsoc "-I$basepath/config/shared" "-I$basepath/config/$config" $basepath/src/*/*.sv $basepath/src/*/*/*.sv --relative-includes); then
         echo "Exiting after $config lint due to errors or warnings"
         exit 1
     fi

pipelined/src/fpu/fpu.sv

@@ -240,8 +240,8 @@ module fpu (
    // E/M pipe registers
 
    // flopenrc #(64) EMFpReg1(clk, reset, FlushM, ~StallM, FSrcXE, FSrcXM);
-   flopenrc #(55) EMFpReg2 (clk, reset, FlushM, ~StallM, {XSgnE,XManE}, {XSgnM,XManM});
-   flopenrc #(55) EMFpReg3 (clk, reset, FlushM, ~StallM, {YSgnE,YManE}, {YSgnM,YManM});
+   flopenrc #(54) EMFpReg2 (clk, reset, FlushM, ~StallM, {XSgnE,XManE}, {XSgnM,XManM});
+   flopenrc #(54) EMFpReg3 (clk, reset, FlushM, ~StallM, {YSgnE,YManE}, {YSgnM,YManM});
    flopenrc #(64) EMFpReg4 (clk, reset, FlushM, ~StallM, {ZExpE,ZManE}, {ZExpM,ZManM});
    flopenrc #(12) EMFpReg5 (clk, reset, FlushM, ~StallM, 
             {XZeroE, YZeroE, ZZeroE, XInfE, YInfE, ZInfE, XNaNE, YNaNE, ZNaNE, XSNaNE, YSNaNE, ZSNaNE},

pipelined/src/ieu/controller.sv

@@ -52,7 +52,6 @@ module controller(
   output logic       MDUE, W64E,
   output logic       JumpE,	
   output logic       SCE,
-  output logic [1:0] AtomicE,
   // Memory stage control signals
   input  logic       StallM, FlushM,
   output logic [1:0] MemRWM,
@@ -107,6 +106,7 @@ module controller(
 	logic        BranchFlagE;
   logic        IEURegWriteE;
   logic        IllegalERegAdrD;
+  logic [1:0]  AtomicE;
 
   // Extract fields
   assign OpD = InstrD[6:0];

pipelined/src/ieu/ieu.sv

@@ -50,7 +50,6 @@ module ieu (
   // Memory stage interface
   input logic 		   SquashSCW, // from LSU
   output logic [1:0] 	   MemRWM, // read/write control goes to LSU
-  output logic [1:0] 	   AtomicE, // atomic control goes to LSU	    
   output logic [1:0] 	   AtomicM, // atomic control goes to LSU
   output logic [`XLEN-1:0] WriteDataE, // Address and write data to LSU
 
@@ -98,7 +97,7 @@ module ieu (
     .IllegalIEUInstrFaultD, .IllegalBaseInstrFaultD, .StallE, .FlushE, .FlagsE, .FWriteIntE,
     .PCSrcE, .ALUControlE, .ALUSrcAE, .ALUSrcBE, .ALUResultSrcE, .MemReadE, .CSRReadE, 
     .Funct3E, .MDUE, .W64E, .JumpE, .StallM, .FlushM, .MemRWM,
-    .CSRReadM, .CSRWriteM, .PrivilegedM, .SCE, .AtomicE, .AtomicM, .Funct3M,
+    .CSRReadM, .CSRWriteM, .PrivilegedM, .SCE, .AtomicM, .Funct3M,
     .RegWriteM, .InvalidateICacheM, .FlushDCacheM, .InstrValidM, .FWriteIntM,
     .StallW, .FlushW, .RegWriteW, .ResultSrcW, .CSRWritePendingDEM, .StoreStallD);