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floating point support fixes

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This commit is contained in:
Blaise Tine
2020-07-27 04:53:13 -04:00
parent 7c86b68977
commit ff12393998
84 changed files with 7628 additions and 3178 deletions
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15
hw/rtl/VX_writeback.v
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@@ -39,6 +39,13 @@ module VX_writeback #(
mul_valid ? commit_is_if.mul_data.warp_num :
fpu_valid ? commit_is_if.fpu_data.warp_num :
0;
assign writeback_tmp_if.curr_PC = alu_valid ? commit_is_if.alu_data.curr_PC :
lsu_valid ? commit_is_if.lsu_data.curr_PC :
csr_valid ? commit_is_if.csr_data.curr_PC :
mul_valid ? commit_is_if.mul_data.curr_PC :
fpu_valid ? commit_is_if.fpu_data.curr_PC :
0;
assign writeback_tmp_if.thread_mask = alu_valid ? commit_is_if.alu_data.thread_mask :
lsu_valid ? commit_is_if.lsu_data.thread_mask :
@@ -55,7 +62,7 @@ module VX_writeback #(
0;
assign writeback_tmp_if.rd_is_fp = alu_valid ? 0 :
lsu_valid ? 0 :
lsu_valid ? commit_is_if.lsu_data.rd_is_fp :
csr_valid ? 0 :
mul_valid ? 0 :
fpu_valid ? commit_is_if.fpu_data.rd_is_fp :
@@ -71,14 +78,14 @@ module VX_writeback #(
wire stall = ~writeback_if.ready && writeback_if.valid;
VX_generic_register #(
.N(1 + `NW_BITS + `NUM_THREADS + `NR_BITS + (`NUM_THREADS * 32) + 1)
.N(1 + `NW_BITS + 32 + `NUM_THREADS + `NR_BITS + (`NUM_THREADS * 32) + 1)
) wb_reg (
.clk (clk),
.reset (reset),
.stall (stall),
.flush (0),
.in ({writeback_tmp_if.valid, writeback_tmp_if.warp_num, writeback_tmp_if.thread_mask, writeback_tmp_if.rd, writeback_tmp_if.rd_is_fp, writeback_tmp_if.data}),
.out ({writeback_if.valid, writeback_if.warp_num, writeback_if.thread_mask, writeback_if.rd, writeback_if.rd_is_fp, writeback_if.data})
.in ({writeback_tmp_if.valid, writeback_tmp_if.warp_num, writeback_tmp_if.curr_PC, writeback_tmp_if.thread_mask, writeback_tmp_if.rd, writeback_tmp_if.rd_is_fp, writeback_tmp_if.data}),
.out ({writeback_if.valid, writeback_if.warp_num, writeback_if.curr_PC, writeback_if.thread_mask, writeback_if.rd, writeback_if.rd_is_fp, writeback_if.data})
);
assign alu_commit_if.ready = !stall;