mirror of https://github.com/YosysHQ/yosys.git
467 lines
12 KiB
Plaintext
467 lines
12 KiB
Plaintext
# Tests for opt_compact_prefix.
|
|
|
|
log -header "Forward dense pack self-equivalence"
|
|
log -push
|
|
design -reset
|
|
verific -cfg veri_optimize_wide_selector 1
|
|
verific -cfg db_infer_wide_muxes_post_elaboration 0
|
|
read -sv opt_compact_prefix_pack.sv
|
|
verific -import opt_compact_prefix_pack
|
|
proc; opt_clean
|
|
rename opt_compact_prefix_pack gold
|
|
|
|
read -sv opt_compact_prefix_pack.sv
|
|
verific -import opt_compact_prefix_pack
|
|
proc; opt_clean
|
|
opt_compact_prefix
|
|
opt_clean
|
|
rename opt_compact_prefix_pack gate
|
|
|
|
miter -equiv -flatten -make_assert gold gate miter
|
|
hierarchy -top miter
|
|
proc; opt; memory; opt
|
|
sat -prove-asserts -verify
|
|
design -reset
|
|
log -pop
|
|
|
|
log -header "Forward dense pack structural rewrite"
|
|
log -push
|
|
design -reset
|
|
verific -cfg veri_optimize_wide_selector 1
|
|
verific -cfg db_infer_wide_muxes_post_elaboration 0
|
|
read -sv opt_compact_prefix_pack.sv
|
|
verific -import opt_compact_prefix_pack
|
|
proc; opt_clean
|
|
opt_compact_prefix
|
|
opt_clean
|
|
select -assert-none t:$shl
|
|
select -assert-none t:$mux
|
|
select -assert-count 7 t:$add
|
|
select -assert-count 8 t:$gt
|
|
design -reset
|
|
log -pop
|
|
|
|
log -header "Reverse suffix read self-equivalence"
|
|
log -push
|
|
design -reset
|
|
verific -cfg veri_optimize_wide_selector 1
|
|
verific -cfg db_infer_wide_muxes_post_elaboration 0
|
|
read -sv opt_compact_prefix_sub.sv
|
|
verific -import opt_compact_prefix_sub
|
|
proc; opt_clean
|
|
rename opt_compact_prefix_sub gold
|
|
|
|
read -sv opt_compact_prefix_sub.sv
|
|
verific -import opt_compact_prefix_sub
|
|
proc; opt_clean
|
|
opt_compact_prefix
|
|
opt_clean
|
|
rename opt_compact_prefix_sub gate
|
|
|
|
miter -equiv -flatten -make_assert gold gate miter
|
|
hierarchy -top miter
|
|
proc; opt; memory; opt
|
|
sat -prove-asserts -verify
|
|
design -reset
|
|
log -pop
|
|
|
|
log -header "Reverse suffix read structural rewrite"
|
|
log -push
|
|
design -reset
|
|
verific -cfg veri_optimize_wide_selector 1
|
|
verific -cfg db_infer_wide_muxes_post_elaboration 0
|
|
read -sv opt_compact_prefix_sub.sv
|
|
verific -import opt_compact_prefix_sub
|
|
proc; opt_clean
|
|
opt_compact_prefix
|
|
opt_clean
|
|
select -assert-none t:$sub
|
|
select -assert-none t:$mux
|
|
select -assert-min 1 t:$add
|
|
select -assert-min 1 t:$eq
|
|
design -reset
|
|
log -pop
|
|
|
|
log -header "Negative: unrelated mux module unchanged"
|
|
log -push
|
|
design -reset
|
|
read_verilog <<EOF
|
|
module top(input wire sel, input wire [7:0] a, b, output wire [7:0] y);
|
|
assign y = sel ? a : b;
|
|
endmodule
|
|
EOF
|
|
proc; opt_clean
|
|
select -assert-count 1 t:$mux
|
|
opt_compact_prefix
|
|
select -assert-count 1 t:$mux
|
|
design -reset
|
|
log -pop
|
|
|
|
log -header "Exact regression size: 32-bit forward dense pack"
|
|
log -push
|
|
design -reset
|
|
verific -cfg veri_optimize_wide_selector 1
|
|
verific -cfg db_infer_wide_muxes_post_elaboration 0
|
|
read -sv opt_compact_prefix_pack32.sv
|
|
verific -import opt_compact_prefix_pack32
|
|
proc; opt_clean
|
|
opt_compact_prefix
|
|
opt_clean
|
|
select -assert-none t:$shl
|
|
select -assert-none t:$mux
|
|
select -assert-count 31 t:$add
|
|
select -assert-count 32 t:$gt
|
|
design -reset
|
|
log -pop
|
|
|
|
log -header "Renamed ports: forward dense pack"
|
|
log -push
|
|
design -reset
|
|
verific -cfg veri_optimize_wide_selector 1
|
|
verific -cfg db_infer_wide_muxes_post_elaboration 0
|
|
read -sv opt_compact_prefix_renamed.sv
|
|
verific -import opt_compact_prefix_pack_renamed
|
|
proc; opt_clean
|
|
opt_compact_prefix
|
|
opt_clean
|
|
select -assert-none t:$shl
|
|
select -assert-none t:$mux
|
|
select -assert-count 7 t:$add
|
|
select -assert-count 8 t:$gt
|
|
design -reset
|
|
log -pop
|
|
|
|
log -header "Exact regression size: 16-entry reverse suffix read"
|
|
log -push
|
|
design -reset
|
|
verific -cfg veri_optimize_wide_selector 1
|
|
verific -cfg db_infer_wide_muxes_post_elaboration 0
|
|
read -sv opt_compact_prefix_sub16.sv
|
|
verific -import opt_compact_prefix_sub16
|
|
proc; opt_clean
|
|
opt_compact_prefix
|
|
opt_clean
|
|
select -assert-none t:$sub
|
|
select -assert-none t:$mux
|
|
select -assert-min 1 t:$add
|
|
select -assert-min 1 t:$eq
|
|
design -reset
|
|
log -pop
|
|
|
|
log -header "Renamed ports: reverse suffix read"
|
|
log -push
|
|
design -reset
|
|
verific -cfg veri_optimize_wide_selector 1
|
|
verific -cfg db_infer_wide_muxes_post_elaboration 0
|
|
read -sv opt_compact_prefix_renamed.sv
|
|
verific -import opt_compact_prefix_sub_renamed
|
|
proc; opt_clean
|
|
opt_compact_prefix
|
|
opt_clean
|
|
select -assert-none t:$sub
|
|
select -assert-none t:$mux
|
|
select -assert-min 1 t:$add
|
|
select -assert-min 1 t:$eq
|
|
design -reset
|
|
log -pop
|
|
|
|
log -header "Yosys frontend: forward dense pack"
|
|
log -push
|
|
design -reset
|
|
read_verilog -sv opt_compact_prefix_yosys_frontend.v
|
|
hierarchy -top opt_compact_prefix_yosys_pack
|
|
proc; opt_clean
|
|
opt_compact_prefix
|
|
opt_clean
|
|
select -assert-none t:$shl
|
|
select -assert-none t:$mux
|
|
select -assert-count 7 t:$add
|
|
select -assert-count 8 t:$gt
|
|
design -reset
|
|
log -pop
|
|
|
|
log -header "Yosys frontend: reverse suffix read"
|
|
log -push
|
|
design -reset
|
|
read_verilog -sv opt_compact_prefix_yosys_frontend.v
|
|
hierarchy -top opt_compact_prefix_yosys_sub
|
|
proc; opt_clean
|
|
opt_compact_prefix
|
|
opt_clean
|
|
select -assert-none t:$sub
|
|
select -assert-none t:$mux
|
|
select -assert-min 1 t:$add
|
|
select -assert-min 1 t:$eq
|
|
design -reset
|
|
log -pop
|
|
|
|
log -header "Reverse suffix read with add-by-minus-one decrement"
|
|
log -push
|
|
design -reset
|
|
verific -cfg veri_optimize_wide_selector 1
|
|
verific -cfg db_infer_wide_muxes_post_elaboration 0
|
|
read -sv opt_compact_prefix_addneg.sv
|
|
verific -import opt_compact_prefix_addneg
|
|
proc; opt_clean
|
|
rename opt_compact_prefix_addneg gold
|
|
|
|
read -sv opt_compact_prefix_addneg.sv
|
|
verific -import opt_compact_prefix_addneg
|
|
proc; opt_clean
|
|
opt_compact_prefix
|
|
opt_clean
|
|
rename opt_compact_prefix_addneg gate
|
|
|
|
miter -equiv -flatten -make_assert gold gate miter
|
|
hierarchy -top miter
|
|
proc; opt; memory; opt
|
|
sat -prove-asserts -verify
|
|
design -reset
|
|
log -pop
|
|
|
|
log -header "Max width: forward pack left unchanged"
|
|
log -push
|
|
design -reset
|
|
verific -cfg veri_optimize_wide_selector 1
|
|
verific -cfg db_infer_wide_muxes_post_elaboration 0
|
|
read -sv opt_compact_prefix_pack32.sv
|
|
verific -import opt_compact_prefix_pack32
|
|
proc; opt_clean
|
|
select -assert-min 1 t:$shl
|
|
opt_compact_prefix -max_width 8
|
|
select -assert-min 1 t:$shl
|
|
select -assert-none w:*compact*
|
|
design -reset
|
|
log -pop
|
|
|
|
log -header "Max width: reverse suffix read left unchanged"
|
|
log -push
|
|
design -reset
|
|
verific -cfg veri_optimize_wide_selector 1
|
|
verific -cfg db_infer_wide_muxes_post_elaboration 0
|
|
read -sv opt_compact_prefix_sub16.sv
|
|
verific -import opt_compact_prefix_sub16
|
|
proc; opt_clean
|
|
select -assert-min 1 t:$sub
|
|
opt_compact_prefix -max_width 8
|
|
select -assert-min 1 t:$sub
|
|
select -assert-none w:*compact*
|
|
design -reset
|
|
log -pop
|
|
|
|
log -header "Negative near miss: same port names passthrough"
|
|
log -push
|
|
design -reset
|
|
verific -cfg veri_optimize_wide_selector 1
|
|
verific -cfg db_infer_wide_muxes_post_elaboration 0
|
|
read -sv opt_compact_prefix_near_miss.sv
|
|
verific -import opt_compact_prefix_pack_passthrough
|
|
proc; opt_clean
|
|
opt_compact_prefix
|
|
select -assert-none w:*compact*
|
|
design -reset
|
|
log -pop
|
|
|
|
log -header "Negative near miss: same port names nonzero pack init"
|
|
log -push
|
|
design -reset
|
|
verific -cfg veri_optimize_wide_selector 1
|
|
verific -cfg db_infer_wide_muxes_post_elaboration 0
|
|
read -sv opt_compact_prefix_near_miss.sv
|
|
verific -import opt_compact_prefix_pack_nonzero_init
|
|
proc; opt_clean
|
|
opt_compact_prefix
|
|
select -assert-none w:*compact*
|
|
design -reset
|
|
log -pop
|
|
|
|
log -header "Negative near miss: same port names non-unit pack stride"
|
|
log -push
|
|
design -reset
|
|
verific -cfg veri_optimize_wide_selector 1
|
|
verific -cfg db_infer_wide_muxes_post_elaboration 0
|
|
read -sv opt_compact_prefix_near_miss.sv
|
|
verific -import opt_compact_prefix_pack_stride2
|
|
proc; opt_clean
|
|
opt_compact_prefix
|
|
select -assert-none w:*compact*
|
|
design -reset
|
|
log -pop
|
|
|
|
log -header "Negative near miss: same port names nonzero reverse init"
|
|
log -push
|
|
design -reset
|
|
verific -cfg veri_optimize_wide_selector 1
|
|
verific -cfg db_infer_wide_muxes_post_elaboration 0
|
|
read -sv opt_compact_prefix_near_miss.sv
|
|
verific -import opt_compact_prefix_sub_nonzero_init
|
|
proc; opt_clean
|
|
opt_compact_prefix
|
|
select -assert-none w:*compact*
|
|
design -reset
|
|
log -pop
|
|
|
|
log -header "Scaling: 64-bit forward pack"
|
|
log -push
|
|
design -reset
|
|
verific -cfg veri_optimize_wide_selector 1
|
|
verific -cfg db_infer_wide_muxes_post_elaboration 0
|
|
read -sv opt_compact_prefix_scale.sv
|
|
verific -import opt_compact_prefix_pack64
|
|
proc; opt_clean
|
|
opt_compact_prefix
|
|
opt_clean
|
|
select -assert-none t:$shl
|
|
select -assert-none t:$mux
|
|
select -assert-count 63 t:$add
|
|
select -assert-count 64 t:$gt
|
|
design -reset
|
|
log -pop
|
|
|
|
log -header "Scaling: 128-bit forward pack with explicit max_width"
|
|
log -push
|
|
design -reset
|
|
verific -cfg veri_optimize_wide_selector 1
|
|
verific -cfg db_infer_wide_muxes_post_elaboration 0
|
|
read -sv opt_compact_prefix_scale.sv
|
|
verific -import opt_compact_prefix_pack128
|
|
proc; opt_clean
|
|
opt_compact_prefix -max_width 128
|
|
opt_clean
|
|
select -assert-none t:$shl
|
|
select -assert-none t:$mux
|
|
select -assert-count 127 t:$add
|
|
select -assert-count 128 t:$gt
|
|
design -reset
|
|
log -pop
|
|
|
|
log -header "Multi-module: only matching module rewrites"
|
|
log -push
|
|
design -reset
|
|
verific -cfg veri_optimize_wide_selector 1
|
|
verific -cfg db_infer_wide_muxes_post_elaboration 0
|
|
read -sv opt_compact_prefix_multi.sv
|
|
verific -import opt_compact_prefix_multi_match opt_compact_prefix_multi_keep
|
|
proc; opt_clean
|
|
opt_compact_prefix
|
|
opt_clean
|
|
select -assert-none opt_compact_prefix_multi_match/t:$shl
|
|
select -assert-none opt_compact_prefix_multi_match/t:$mux
|
|
select -assert-count 1 opt_compact_prefix_multi_keep/t:$mux
|
|
design -reset
|
|
log -pop
|
|
|
|
log -header "Modulo decimation self-equivalence (MSB-first)"
|
|
log -push
|
|
design -reset
|
|
verific -cfg veri_optimize_wide_selector 1
|
|
verific -cfg db_infer_wide_muxes_post_elaboration 0
|
|
read -sv opt_compact_prefix_mod.sv
|
|
verific -import opt_compact_prefix_mod8
|
|
proc; opt_clean
|
|
rename opt_compact_prefix_mod8 gold
|
|
|
|
read -sv opt_compact_prefix_mod.sv
|
|
verific -import opt_compact_prefix_mod8
|
|
proc; opt_clean
|
|
opt_compact_prefix
|
|
opt_clean
|
|
bmuxmap
|
|
rename opt_compact_prefix_mod8 gate
|
|
|
|
miter -equiv -flatten -make_assert gold gate miter
|
|
hierarchy -top miter
|
|
proc; opt; memory; opt
|
|
sat -prove-asserts -verify
|
|
design -reset
|
|
log -pop
|
|
|
|
log -header "Modulo decimation self-equivalence (LSB-first)"
|
|
log -push
|
|
design -reset
|
|
verific -cfg veri_optimize_wide_selector 1
|
|
verific -cfg db_infer_wide_muxes_post_elaboration 0
|
|
read -sv opt_compact_prefix_mod.sv
|
|
verific -import opt_compact_prefix_mod_lsb8
|
|
proc; opt_clean
|
|
rename opt_compact_prefix_mod_lsb8 gold
|
|
|
|
read -sv opt_compact_prefix_mod.sv
|
|
verific -import opt_compact_prefix_mod_lsb8
|
|
proc; opt_clean
|
|
opt_compact_prefix
|
|
opt_clean
|
|
bmuxmap
|
|
rename opt_compact_prefix_mod_lsb8 gate
|
|
|
|
miter -equiv -flatten -make_assert gold gate miter
|
|
hierarchy -top miter
|
|
proc; opt; memory; opt
|
|
sat -prove-asserts -verify
|
|
design -reset
|
|
log -pop
|
|
|
|
log -header "Modulo decimation structural rewrite"
|
|
log -push
|
|
design -reset
|
|
verific -cfg veri_optimize_wide_selector 1
|
|
verific -cfg db_infer_wide_muxes_post_elaboration 0
|
|
read -sv opt_compact_prefix_mod.sv
|
|
verific -import opt_compact_prefix_mod16
|
|
proc; opt_clean
|
|
opt_compact_prefix
|
|
opt_clean
|
|
select -assert-none t:$mux
|
|
select -assert-none t:$sub
|
|
select -assert-min 1 t:$add
|
|
select -assert-min 1 t:$eq
|
|
select -assert-min 1 t:$bmux
|
|
design -reset
|
|
log -pop
|
|
|
|
log -header "Modulo decimation: opt_parallel_prefix collapses the popcount cascade"
|
|
log -push
|
|
design -reset
|
|
verific -cfg veri_optimize_wide_selector 1
|
|
verific -cfg db_infer_wide_muxes_post_elaboration 0
|
|
read -sv opt_compact_prefix_mod.sv
|
|
verific -import opt_compact_prefix_mod16
|
|
proc; opt_clean
|
|
opt_compact_prefix
|
|
opt_clean
|
|
opt_parallel_prefix -arith
|
|
opt_clean
|
|
select -assert-none t:$mux
|
|
select -assert-none t:$sub
|
|
select -assert-min 1 t:$add
|
|
design -reset
|
|
log -pop
|
|
|
|
log -header "Negative: modulo off-by-one near miss unchanged"
|
|
log -push
|
|
design -reset
|
|
verific -cfg veri_optimize_wide_selector 1
|
|
verific -cfg db_infer_wide_muxes_post_elaboration 0
|
|
read -sv opt_compact_prefix_mod.sv
|
|
verific -import opt_compact_prefix_mod_offbyone
|
|
proc; opt_clean
|
|
opt_compact_prefix
|
|
select -assert-none w:*compact*
|
|
design -reset
|
|
log -pop
|
|
|
|
log -header "Max width: modulo decimation left unchanged"
|
|
log -push
|
|
design -reset
|
|
verific -cfg veri_optimize_wide_selector 1
|
|
verific -cfg db_infer_wide_muxes_post_elaboration 0
|
|
read -sv opt_compact_prefix_mod.sv
|
|
verific -import opt_compact_prefix_mod16
|
|
proc; opt_clean
|
|
select -assert-min 1 t:$mux
|
|
opt_compact_prefix -max_width 8
|
|
select -assert-min 1 t:$mux
|
|
select -assert-none w:*compact*
|
|
design -reset
|
|
log -pop
|