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Simplify fetch1

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Do the +4 in a single place. This shouldn't cause any difference
in behaviour as these are sequential variable assignments.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
This commit is contained in:
Benjamin Herrenschmidt 2019-09-24 12:17:42 +10:00
parent 3a6fcc09d4
commit 8af2b004c3
1 changed files with 2 additions and 3 deletions
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5
fetch1.vhdl
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@ -49,19 +49,18 @@ begin
if stall_in = '0' then
v.nia := r_int.nia_next;
v_int.nia_next := std_logic_vector(unsigned(r_int.nia_next) + 4);
end if;
if e_in.redirect = '1' then
v.nia := e_in.redirect_nia;
v_int.nia_next := std_logic_vector(unsigned(e_in.redirect_nia) + 4);
end if;
if rst = '1' then
v.nia := RESET_ADDRESS;
v_int.nia_next := std_logic_vector(unsigned(RESET_ADDRESS) + 4);
end if;
v_int.nia_next := std_logic_vector(unsigned(v.nia) + 4);
-- Update registers
rin <= v;
rin_int <= v_int;