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misc: fix unconnected port warnings for ALU and TWOSCOMP

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This commit is contained in:
Yuri Tatishchev 2024-11-12 13:08:35 -08:00
parent 9584db84fd
commit ff6e7792f4
Signed by: CaZzzer
GPG Key ID: E0EBF441EA424369
2 changed files with 7 additions and 6 deletions
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9
alu.v
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@ -44,7 +44,7 @@ wire [31:0] res,
// can use oprn[1] or oprn[3] for SnA
wire SnA;
or (SnA, OPRN[1], OPRN[3]);
RC_ADD_SUB_32 addsub(.Y(res_addsub), .A(OP1), .B(OP2), .SnA(SnA));
RC_ADD_SUB_32 addsub(.Y(res_addsub), .CO(), .A(OP1), .B(OP2), .SnA(SnA));
buf slt [31:0] (res_slt, {31'b0,res_addsub[31]});
// shift_r = xx0100
@ -54,7 +54,7 @@ buf slt [31:0] (res_slt, {31'b0,res_addsub[31]});
SHIFT32 shift(res_shift, OP1, OP2, OPRN[0]);
// mul = xx0011
MULT32 mul(.LO(res_mul), .A(OP1), .B(OP2));
MULT32 mul(.LO(res_mul), .HI(), .A(OP1), .B(OP2));
// and = xx0110
// or = xx0111
@ -63,11 +63,12 @@ AND32_2x1 and32(res_and, OP1, OP2);
OR32_2x1 or32(res_or, OP1, OP2);
NOR32_2x1 nor32(res_nor, OP1, OP2);
MUX32_16x1 out(.Y(res), .S(OPRN[3:0]),
MUX32_16x1 out(.Y(res), .S(OPRN[3:0]), .I0(),
.I1(res_addsub), .I2(res_addsub), .I3(res_mul),
.I4(res_shift),.I5(res_shift),
.I6(res_and), .I7(res_or), .I8(res_nor),
.I9(res_slt)
.I9(res_slt),
.I10(), .I11(), .I12(), .I13(), .I14(), .I15()
);
// or bits of result for zero flag

4
logic.v
View File

@ -20,7 +20,7 @@ output [63:0] Y;
//input list
input [63:0] A;
RC_ADD_SUB_64 twoscomp64_sub(.Y(Y), .A(64'b0), .B(A), .SnA(1'b1));
RC_ADD_SUB_64 twoscomp64_sub(.Y(Y), .CO(), .A(64'b0), .B(A), .SnA(1'b1));
endmodule
@ -31,7 +31,7 @@ output [31:0] Y;
//input list
input [31:0] A;
RC_ADD_SUB_32 twoscomp32_sub(.Y(Y), .A(0), .B(A), .SnA(1'b1));
RC_ADD_SUB_32 twoscomp32_sub(.Y(Y), .CO(), .A(0), .B(A), .SnA(1'b1));
endmodule