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Redo integer passing on top of bignum

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This commit is contained in:
Martin Povišer 2024-12-02 19:56:51 +01:00
parent f7400a06cd
commit f0704b6ede
3 changed files with 233 additions and 59 deletions
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49
tests/various/tcl_apis.tcl
View file

@ -4,13 +4,60 @@ if {[rtlil::get_attr -string -mod top foo] != "bar"} {
error "bad top module attribute"
}
if {[rtlil::get_attr -int -mod top val] != 4294967295} {
error "bad top module attribute 2"
}
if {[rtlil::get_attr -sint -mod top val] != -1} {
error "bad top module attribute 3"
}
if {[rtlil::get_attr -bool top w dont_touch] != 1} {
error "bad w wire attribute"
}
if {[rtlil::get_param -int top inst PARAM] != 4} {
if {[rtlil::get_param -int top inst PARAM] != -3} {
error "bad parameter"
}
if {[rtlil::get_param -uint top inst PARAM] != 4294967293} {
error "bad parameter 2"
}
rtlil::set_attr -true -mod top marked
yosys select -assert-any A:marked
# write a 32-bit constant with most bits set
rtlil::set_attr -mod -uint top f 4294967294
# read it back as a signed integer
if {[rtlil::get_attr -mod -sint top f] != -2} {
error "bad int roundtrip"
}
# read it back as an unsigned integer (no signedness flag)
if {[rtlil::get_attr -mod -int top f] != 4294967294} {
error "bad int roundtrip 2"
}
# read it back as an unsigned integer
if {[rtlil::get_attr -mod -uint top f] != 4294967294} {
error "bad int roundtrip 3"
}
# write a signed 32-bit constant
rtlil::set_attr -mod -sint top f -3
# read it back as a signed integer
if {[rtlil::get_attr -mod -sint top f] != -3} {
error "bad int roundtrip 4"
}
# read it back as a signed integer (due to signedness flag)
if {[rtlil::get_attr -mod -int top f] != -3} {
error "bad int roundtrip 5"
}
# read it back as an unsigned integer
if {[rtlil::get_attr -mod -uint top f] != 4294967293} {
error "bad int roundtrip 6"
}
# write a constant larger than 32 bits
rtlil::set_attr -mod -sint top prime 87178291199
if {[rtlil::get_attr -mod -int top prime] != 87178291199} {
error "bad int roundtrip 7"
}

3
tests/various/tcl_apis.v
View file

@ -3,9 +3,10 @@ parameter PARAM = 0;
endmodule
(* foo="bar" *)
(* val=32'hffffffff *)
module top;
(* dont_touch *)
wire w;
m #(.PARAM(4)) inst();
m #(.PARAM(-3)) inst();
endmodule