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-rw-r--r--rtl/core/decode/conds.sv47
1 files changed, 0 insertions, 47 deletions
diff --git a/rtl/core/decode/conds.sv b/rtl/core/decode/conds.sv
deleted file mode 100644
index 60922a0..0000000
--- a/rtl/core/decode/conds.sv
+++ /dev/null
@@ -1,47 +0,0 @@
-`include "core/decode/isa.sv"
-`include "core/uarch.sv"
-
-module core_decode_conds
-(
- input logic[3:0] cond,
- input psr_flags flags,
-
- output logic execute,
- conditional,
- undefined
-);
-
- always_comb begin
- undefined = 0;
- conditional = 1;
-
- unique case(cond)
- `COND_EQ: execute = flags.z;
- `COND_NE: execute = ~flags.z;
- `COND_HS: execute = flags.c;
- `COND_LO: execute = ~flags.c;
- `COND_MI: execute = flags.n;
- `COND_PL: execute = ~flags.n;
- `COND_VS: execute = flags.v;
- `COND_VC: execute = ~flags.v;
- `COND_HI: execute = flags.c & ~flags.z;
- `COND_LS: execute = ~flags.c | flags.z;
- `COND_GE: execute = flags.n ~^ flags.v;
- `COND_LT: execute = flags.n ^ flags.v;
- `COND_GT: execute = ~flags.z & (flags.n ~^ flags.v);
- `COND_LE: execute = flags.z | (flags.n ^ flags.v);
-
- `COND_AL: begin
- execute = 1;
- conditional = 0;
- end
-
- `COND_UD: begin
- execute = 1'bx;
- conditional = 1'bx;
- undefined = 1;
- end
- endcase
- end
-
-endmodule