decode compiles
authorChristopher Lu <lu@nona.hsd1.pa.comcast.net>
Sun, 28 Dec 2008 08:14:46 +0000 (03:14 -0500)
committerChristopher Lu <lu@nona.hsd1.pa.comcast.net>
Sun, 28 Dec 2008 08:14:46 +0000 (03:14 -0500)
Decode.v

index 7d7f95b..85aa439 100644 (file)
--- a/Decode.v
+++ b/Decode.v
@@ -252,6 +252,7 @@ module IREALLYHATEARMSHIFT(
        always @(*)
                case (insn[6:5])
                `SHIFT_LSL: begin
+                       /* meaningless */
                        is_rot = 1'b0;
                        is_arith = 1'b0;
                end
@@ -285,7 +286,7 @@ module IREALLYHATEARMSHIFT(
                        if(!insn[4] && shift_amt[4:0] == 5'b0) begin /* RRX x.x */
                                res = {cflag_in, operand[31:1]};
                                cflag_out = operand[0];
-                       else
+                       end else begin
                                res = rshift_res;
                                cflag_out = rshift_cout;
                        end
@@ -305,7 +306,7 @@ module SuckLessShifter(
 
        wire [32:0] stage1, stage2, stage3, stage4, stage5;
 
-       wire pushbits = is_arith & operand[31];
+       wire pushbits = is_arith & oper[31];
 
        /* do a barrel shift */
        assign stage1 = amt[5] ? {is_rot ? oper : {32{pushbits}}, oper[31]} : {oper, carryin};
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