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YosysHQ.yosys/tests/opt
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Marcelina Kościelnicka 436d42c00c opt_expr: Propagate constants to port connections. 
This adds one simple piece of functionality to opt_expr: when a cell
port is connected to a fully-constant signal (as determined by sigmap),
the port is reconnected directly to the constant value.  This is just
enough optimization to fix the "non-constant $meminit input" problem
without requiring a full opt_clean or a separate pass.
2021-07-27 20:44:26 +02:00
..
.gitignore
tests: add gitignores for auto-generated makefiles
2020-09-26 16:28:24 +02:00
bug1525.ys
opt_share: Fix handling of fine cells.
2019-11-27 08:01:07 +01:00
bug1758.ys
tests: add opt_expr tests
2020-04-23 15:58:36 -07:00
bug1854.ys
Add new helper class for merging FFs into cells, use for memory_dff.
2021-05-23 14:46:59 +02:00
bug2010.ys
Add testcase for #2010
2020-05-01 14:07:33 -07:00
bug2221.ys
opt_expr: Fix crash on $mul optimization with more zeros removed than Y has.
2020-07-05 06:31:58 +02:00
bug2311.ys
opt_expr: Fix handling of $_XNOR_ cells with A = B.
2020-07-29 12:41:43 +02:00
bug2318.ys
peepopt.muldiv: Add a signedness check.
2020-08-04 16:30:24 +02:00
bug2623.ys
rtlil: Disallow 0-width chunks in SigSpec.
2021-03-15 17:16:24 +01:00
bug2765.ys
opt_mem: Remove write ports with const-0 EN.
2021-05-23 14:30:56 +02:00
bug2766.ys
opt_mem_feedback: Rewrite feedback path finding logic.
2021-05-24 23:20:30 +02:00
bug2824.ys
Add regression test for #2824.
2021-06-11 12:06:35 +01:00
memory_map_offset.ys
memory_map: Improve start_offset handling.
2021-05-31 17:45:21 +02:00
opt_clean_init.ys
opt_clean: Remove init attribute bits together with removed DFFs.
2021-03-15 17:16:53 +01:00
opt_clean_mem.ys
memory_dff: Remove now-useless write port handling.
2021-03-08 20:16:29 +01:00
opt_dff_arst.ys
Add opt_dff pass.
2020-07-30 18:27:04 +02:00
opt_dff_clk.ys
Add opt_dff pass.
2020-07-30 18:27:04 +02:00
opt_dff_const.ys
Add opt_dff pass.
2020-07-30 18:27:04 +02:00
opt_dff_dffmux.ys
peepopt: Remove now-redundant dffmux pattern.
2020-08-07 13:21:34 +02:00
opt_dff_en.ys
Add opt_dff pass.
2020-07-30 18:27:04 +02:00
opt_dff_mux.ys
Add opt_dff pass.
2020-07-30 18:27:04 +02:00
opt_dff_qd.ys
Add opt_dff pass.
2020-07-30 18:27:04 +02:00
opt_dff_sr.ys
opt_dff: Fix NOT gates wired in reverse.
2021-05-04 21:03:40 +02:00
opt_dff_srst.ys
Add opt_dff pass.
2020-07-30 18:27:04 +02:00
opt_expr_alu.ys
test: update opt_expr_alu test
2020-05-08 11:12:58 -07:00
opt_expr_and.ys
tests: add opt_expr tests
2020-04-23 15:58:36 -07:00
opt_expr_cmp.v
opt_expr: improve simplification of comparisons with large constants.
2019-01-02 15:45:28 +00:00
opt_expr_cmp.ys
opt_expr: simplify any unsigned comparisons with all-0 and all-1.
2019-01-02 02:45:49 +00:00
opt_expr_combined_assign.ys
Add sub-assign and and-assign tests
2020-06-25 14:32:05 +02:00
opt_expr_constconn.v
opt_expr: Propagate constants to port connections.
2021-07-27 20:44:26 +02:00
opt_expr_constconn.ys
opt_expr: Propagate constants to port connections.
2021-07-27 20:44:26 +02:00
opt_expr_consumex.ys
tests: opt_expr tests that depend on consumex
2020-05-08 11:07:11 -07:00
opt_expr_or.ys
tests: add opt_expr tests
2020-04-23 15:58:36 -07:00
opt_expr_xnor.ys
opt_expr: const_xnor replacement to pad Y with 1'b1
2020-04-24 14:13:45 -07:00
opt_expr_xor.ys
tests: opt_expr update xnor/xor tests
2020-04-24 11:16:25 -07:00
opt_expr.ys
opt_expr: Optimize multiplications with low 0 bits in operands.
2020-04-13 16:52:22 +02:00
opt_lut_elim.il
opt_lut: eliminate LUTs evaluating to constants or inputs.
2018-12-31 23:55:40 +00:00
opt_lut_elim.ys
opt_lut: eliminate LUTs evaluating to constants or inputs.
2018-12-31 23:55:40 +00:00
opt_lut_ins.ys
Add opt_lut_ins pass. (#1673)
2020-02-03 14:57:17 +01:00
opt_lut_port.il
opt_lut: leave intact LUTs with cascade feeding module outputs.
2018-12-07 17:13:52 +00:00
opt_lut_port.ys
opt_lut: eliminate LUTs evaluating to constants or inputs.
2018-12-31 23:55:40 +00:00
opt_lut.v
opt_lut: new pass, to combine LUTs for tighter packing.
2018-12-05 16:30:37 +00:00
opt_lut.ys
Revert "Merge pull request #1280 from YosysHQ/revert-1266-eddie/ice40_full_adder"
2019-08-12 12:06:45 -07:00
opt_mem_feedback.ys
opt_mem_feedback: Respect write port priority.
2021-05-25 15:59:41 +02:00
opt_merge_init.ys
opt_merge: speedup
2020-03-16 12:43:54 -07:00
opt_merge_keep.ys
opt_merge: speedup
2020-03-16 12:43:54 -07:00
opt_rmdff_sat.v
Revert "Merge pull request #1280 from YosysHQ/revert-1266-eddie/ice40_full_adder"
2019-08-12 12:06:45 -07:00
opt_rmdff_sat.ys
Add opt_dff pass.
2020-07-30 18:27:04 +02:00
opt_rmdff.v
Fix tests/opt/opt_rmdff
2020-06-09 22:48:26 +02:00
opt_rmdff.ys
Add opt_dff pass.
2020-07-30 18:27:04 +02:00
opt_share_add_sub.v
Tabs to spaces in opt_share examples
2019-08-03 12:35:46 +02:00
opt_share_add_sub.ys
Reimplement opt_share to work on $alu and $pmux
2019-07-28 16:03:54 +02:00
opt_share_bug2334.ys
opt_share: Refactor, fix some bugs.
2020-08-17 17:26:36 +02:00
opt_share_bug2335.ys
opt_share: Refactor, fix some bugs.
2020-08-17 17:26:36 +02:00
opt_share_bug2336.ys
opt_share: Refactor, fix some bugs.
2020-08-17 17:26:36 +02:00
opt_share_bug2538.ys
opt_share: Fix X and CO signal width for shifted $alu in opt_share.
2021-01-14 14:54:08 +01:00
opt_share_cat_multiuser.v
Tabs to spaces in opt_share examples
2019-08-03 12:35:46 +02:00
opt_share_cat_multiuser.ys
Reimplement opt_share to work on $alu and $pmux
2019-07-28 16:03:54 +02:00
opt_share_cat.v
Tabs to spaces in opt_share examples
2019-08-03 12:35:46 +02:00
opt_share_cat.ys
Reimplement opt_share to work on $alu and $pmux
2019-07-28 16:03:54 +02:00
opt_share_diff_port_widths.v
Tabs to spaces in opt_share examples
2019-08-03 12:35:46 +02:00
opt_share_diff_port_widths.ys
Reimplement opt_share to work on $alu and $pmux
2019-07-28 16:03:54 +02:00
opt_share_extend.v
Tabs to spaces in opt_share examples
2019-08-03 12:35:46 +02:00
opt_share_extend.ys
Reimplement opt_share to work on $alu and $pmux
2019-07-28 16:03:54 +02:00
opt_share_large_pmux_cat_multipart.v
Tabs to spaces in opt_share examples
2019-08-03 12:35:46 +02:00
opt_share_large_pmux_cat_multipart.ys
Fix wrong results when opt_share called before opt_clean
2019-08-07 09:30:58 +02:00
opt_share_large_pmux_cat.v
Tabs to spaces in opt_share examples
2019-08-03 12:35:46 +02:00
opt_share_large_pmux_cat.ys
Reimplement opt_share to work on $alu and $pmux
2019-07-28 16:03:54 +02:00
opt_share_large_pmux_multipart.v
Tabs to spaces in opt_share examples
2019-08-03 12:35:46 +02:00
opt_share_large_pmux_multipart.ys
Reimplement opt_share to work on $alu and $pmux
2019-07-28 16:03:54 +02:00
opt_share_large_pmux_part.v
Tabs to spaces in opt_share examples
2019-08-03 12:35:46 +02:00
opt_share_large_pmux_part.ys
Reimplement opt_share to work on $alu and $pmux
2019-07-28 16:03:54 +02:00
opt_share_mux_tree.v
Tabs to spaces in opt_share examples
2019-08-03 12:35:46 +02:00
opt_share_mux_tree.ys
Reimplement opt_share to work on $alu and $pmux
2019-07-28 16:03:54 +02:00
run-test.sh
tests: Centralize test collection and Makefile generation
2020-09-21 15:07:02 +02:00