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Marcelina Kościelnicka 50d532f01c techmap/shift_shiftx: Remove the "shiftx2mux" special path. 
Our techmap rules for $shift and $shiftx cells contained a special path
that aimed to decompose the shift LSB-first instead of MSB-first in
select cases that come up in pmux lowering.  This path was needlessly
overcomplicated and contained bugs.

Instead of doing that, just switch over the main path to iterate
LSB-first (except for the specially-handled MSB for signed shifts
and overflow handling).  This also makes the code consistent with
shl/shr/sshl/sshr cells, which are already decomposed LSB-first.

Fixes #2346.
2020-08-20 12:44:09 +02:00
..
aiger tests: aiger test for wire->start_offset != 0 2020-05-02 10:00:32 -07:00
arch techmap/shift_shiftx: Remove the "shiftx2mux" special path. 2020-08-20 12:44:09 +02:00
asicworld Fix FIRRTL to Verilog process instance subfield assignment. 2019-02-25 16:18:13 -08:00
bram Added support for (single-clock) transparent memories to bram tests 2016-11-01 10:03:13 +01:00
errors Rename the generic "Syntax error" message from the Verilog/SystemVerilog parser into unique, 2018-10-25 02:37:56 +03:00
fsm tests: fsm to use a randomly-generated seed 2020-04-24 14:31:33 -07:00
hana Add optional SEED=n command line option to Makefile, and -S n command line option to test scripts, for deterministic regression tests. 2016-09-22 11:49:29 -06:00
liberty dfflibmap: Refactor to use dfflegalize internally. 2020-07-09 18:51:03 +02:00
lut Forgot to commit 2019-07-16 12:44:26 -07:00
memfile Added 'set -e' into tests/memfile/run-test.sh 2020-02-06 10:45:40 -03:00
memories memory_dff: Fix checking of feedback mux input when more than one mux 2019-07-02 13:35:50 +01:00
opt Add opt_dff pass. 2020-07-30 18:27:04 +02:00
opt_share Support various binary operators in opt_share 2019-08-04 19:06:38 +02:00
proc proc_clean: fix order of switch insertion. 2019-08-19 16:44:23 +00:00
realmath Add optional SEED=n command line option to Makefile, and -S n command line option to test scripts, for deterministic regression tests. 2016-09-22 11:49:29 -06:00
rpc rpc test: make frontend listen before launching yosys & introduce safeguard if yosys errors 2020-03-06 15:29:01 +01:00
sat satgen: Add support for dffe, sdff, sdffe, sdffce cells. 2020-07-24 03:19:21 +02:00
select Merge pull request #1949 from YosysHQ/eddie/select_blackbox 2020-04-22 15:35:05 -07:00
share Add optional SEED=n command line option to Makefile, and -S n command line option to test scripts, for deterministic regression tests. 2016-09-22 11:49:29 -06:00
simple Merge pull request #2339 from zachjs/display-format-0s 2020-08-18 17:39:01 +02:00
simple_abc9 abc9: test to use box file instead of auto 2020-05-14 10:33:56 -07:00
smv Progress in SMV back-end 2015-06-19 14:08:46 +02:00
sva Fix "verific -extnets" for more complex situations 2019-03-26 14:17:46 +01:00
svinterfaces Fix typo in tests/svinterfaces/runone.sh 2019-05-03 14:40:51 +02:00
svtypes static cast: add tests 2020-06-19 17:40:38 -07:00
techmap techmap/shift_shiftx: Remove the "shiftx2mux" special path. 2020-08-20 12:44:09 +02:00
tools Replace opt_rmdff with opt_dff. 2020-08-07 13:21:03 +02:00
unit Build hotfix in tests/unit/Makefile 2016-12-11 10:58:49 +01:00
various Merge branch 'const-func-block-var' of https://github.com/zachjs/yosys into zachjs-const-func-block-var 2020-08-18 17:29:49 +02:00
verilog Merge pull request #2080 from YosysHQ/eddie/fix_test_warnings 2020-06-03 08:37:07 -07:00
vloghtb bugfix in blif front-end 2015-05-18 11:15:49 +02:00