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Replace non-unique case with if/else

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Pirmin Vogel 2019-05-07 18:56:42 +01:00 • committed by Philipp Wagner
parent c459e99ff8
commit 580379df5a
1 changed files with 11 additions and 15 deletions
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26
rtl/ibex_controller.sv
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@ -285,22 +285,18 @@ module ibex_controller (
// analyze the current instruction in the ID stage
is_decoding_o = 1'b1;
unique case (1'b1)
branch_set_i || jump_set_i: begin
pc_mux_o = PC_JUMP;
pc_set_o = 1'b1;
if (branch_set_i || jump_set_i) begin
pc_mux_o = PC_JUMP;
pc_set_o = 1'b1;
perf_tbranch_o = branch_set_i;
perf_jump_o = jump_set_i;
end
mret_insn_i || dret_insn_i || ecall_insn_i || pipe_flush_i ||
ebrk_insn_i || illegal_insn_i || csr_status_i: begin
ctrl_fsm_ns = FLUSH;
halt_if_o = 1'b1;
halt_id_o = 1'b1;
end
endcase
perf_tbranch_o = branch_set_i;
perf_jump_o = jump_set_i;
end else if (mret_insn_i || dret_insn_i || ecall_insn_i || pipe_flush_i ||
ebrk_insn_i || illegal_insn_i || csr_status_i) begin
ctrl_fsm_ns = FLUSH;
halt_if_o = 1'b1;
halt_id_o = 1'b1;
end
end
end
endcase