wu-arch/vortex
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

softfloat library integration

Browse Source
This commit is contained in:
Blaise Tine
2021-10-10 13:20:50 -07:00
parent 28e26f3130
commit b8682f56ac
21 changed files with 400 additions and 818 deletions
Download Patch File Download Diff File Expand all files Collapse all files

10
hw/rtl/VX_muldiv.sv
View File

@@ -50,12 +50,14 @@ module VX_muldiv (
`ifdef IMUL_DPI
wire [`NUM_THREADS-1:0][31:0] mul_result_tmp;
wire [`NUM_THREADS-1:0][31:0] mul_result_tmp;
wire mul_fire_in = mul_valid_in && mul_ready_in;
for (genvar i = 0; i < `NUM_THREADS; i++) begin
wire [31:0] mul_resultl, mul_resulth;
always @(*) begin
dpi_imul (alu_in1[i], alu_in2[i], is_signed_mul_a, is_signed_mul_b, mul_resultl, mul_resulth);
dpi_imul (mul_fire_in, alu_in1[i], alu_in2[i], is_signed_mul_a, is_signed_mul_b, mul_resultl, mul_resulth);
end
assign mul_result_tmp[i] = is_mulh_in ? mul_resulth : mul_resultl;
end
@@ -133,11 +135,13 @@ module VX_muldiv (
`ifdef IDIV_DPI
wire [`NUM_THREADS-1:0][31:0] div_result_tmp;
wire div_fire_in = div_valid_in && div_ready_in;
for (genvar i = 0; i < `NUM_THREADS; i++) begin
wire [31:0] div_quotient, div_remainder;
always @(*) begin
dpi_idiv (alu_in1[i], alu_in2[i], is_signed_div, div_quotient, div_remainder);
dpi_idiv (div_fire_in, alu_in1[i], alu_in2[i], is_signed_div, div_quotient, div_remainder);
end
assign div_result_tmp[i] = is_rem_op_in ? div_remainder : div_quotient;
end