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From: cvs at opencores.org<cvs@o...>
Date: Wed May 21 15:47:16 CEST 2008
Subject: [cvs-checkins] MODIFIED: m1_core ...
Date: 00/08/05 21:15:47

Modified: m1_core/hdl/rtl/m1_cpu m1_alu.v
Log:
Added default case for ALU.




Revision Changes Path
1.2 m1_core/hdl/rtl/m1_cpu/m1_alu.v

http://www.opencores.org/cvsweb.shtml/m1_core/hdl/rtl/m1_cpu/m1_alu.v.diff?r1=1.1&r2=1.2

(In the diff below, changes in quantity of whitespace are not shown.)

Index: m1_alu.v
===================================================================
RCS file: /cvsroot/fafa1971/m1_core/hdl/rtl/m1_cpu/m1_alu.v,v
retrieving revision 1.1
retrieving revision 1.2
diff -u -b -r1.1 -r1.2
--- m1_alu.v 18 Feb 2008 12:18:27 -0000 1.1
+++ m1_alu.v 21 May 2008 13:47:16 -0000 1.2
@@ -30,7 +30,7 @@
`ALU_OP_AND: result_o = a_i & b_i;
`ALU_OP_OR: result_o = a_i | b_i;
`ALU_OP_XOR: result_o = a_i ^ b_i;
-// `ALU_OP_NOR: result_o = a_i ~| b_i;
+ `ALU_OP_NOR: result_o = a_i ~| b_i;
`ALU_OP_SEQ: result_o = (a_i == b_i) ? 32'b1 : 32'b0;
`ALU_OP_SNE: result_o = (a_i != b_i) ? 32'b1 : 32'b0;
`ALU_OP_SLT: if(signed_i) result_o = ({~a_i[31],a_i[30:0]} < {~b_i[31],b_i[30:0]}) ? 32'b1 : 32'b0;
@@ -41,6 +41,7 @@
else result_o = 32'b0;
`ALU_OP_SGE: if(signed_i) result_o = ({~a_i[31],a_i[30:0]} >= {~b_i[31],b_i[30:0]}) ? 32'b1 : 32'b0;
else result_o = a_i >= b_i;
+ default: result_o = 32'b0;
endcase
end