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

tex refactoring and bug fixes

Browse Source
This commit is contained in:
Blaise Tine
2021-03-16 09:25:57 -04:00
parent 17424ad554
commit 676a13f30d
21 changed files with 227 additions and 154 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
hw/rtl/VX_decode.v
View File

@@ -358,6 +358,7 @@ module VX_decode #(
use_rs2 = 1;
is_wstall = 1;
end
`ifdef EXT_TEX_ENABLE
3'h5: begin
op_type = `OP_BITS'(`GPU_TEX);
use_rd = 1;
@@ -365,6 +366,7 @@ module VX_decode #(
use_rs2 = 1;
use_rs3 = 1;
end
`endif
default:;
endcase
end
@@ -373,7 +375,7 @@ module VX_decode #(
end
// disable write to integer register r0
wire use_rd_qual = use_rd && (rd_fp || (rd != 0));
wire wb = use_rd && (rd_fp || (rd != 0));
// EX_ALU needs rs1=0 for LUI operation
wire [4:0] rs1_qual = (opcode == `INST_LUI) ? 5'h0 : rs1;
@@ -385,7 +387,7 @@ module VX_decode #(
assign decode_if.ex_type = ex_type;
assign decode_if.op_type = op_type;
assign decode_if.op_mod = op_mod;
assign decode_if.wb = use_rd_qual;
assign decode_if.wb = wb;
`ifdef EXT_F_ENABLE
assign decode_if.rd = {rd_fp, rd};