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

fixed FPU handshake, optimized writeback's critical path

Browse Source
This commit is contained in:
Blaise Tine
2020-08-07 10:11:54 -07:00
parent ffd9515881
commit cd29362d10
26 changed files with 212 additions and 2368 deletions
Download Patch File Download Diff File Expand all files Collapse all files

14
hw/rtl/VX_commit.v
View File

@@ -38,7 +38,7 @@ module VX_commit #(
.count (num_commits)
);
assign cmt_to_csr_if.valid = (| commited_mask);
assign cmt_to_csr_if.valid = (| commited_mask);
assign cmt_to_csr_if.warp_num = cmt_to_issue_if.fpu_data.warp_num;
assign cmt_to_csr_if.num_commits = num_commits;
@@ -46,16 +46,16 @@ module VX_commit #(
integer i;
reg [`FFG_BITS-1:0] fflags;
fflags_t fflags;
always @(*) begin
fflags = 0;
for (i = 0; i < `NUM_THREADS; i++) begin
if (cmt_to_issue_if.fpu_data.thread_mask[i]) begin
fflags[0] |= fpu_commit_if.fflags[i][0];
fflags[1] |= fpu_commit_if.fflags[i][1];
fflags[2] |= fpu_commit_if.fflags[i][2];
fflags[3] |= fpu_commit_if.fflags[i][3];
fflags[4] |= fpu_commit_if.fflags[i][4];
fflags.NX |= fpu_commit_if.fflags[i].NX;
fflags.UF |= fpu_commit_if.fflags[i].UF;
fflags.OF |= fpu_commit_if.fflags[i].OF;
fflags.DZ |= fpu_commit_if.fflags[i].DZ;
fflags.NV |= fpu_commit_if.fflags[i].NV;
end
end
end