64 Commits

Author	SHA1	Message	Date
Clifford Wolf	0e1661f84e	Fixed type of sign extension in opt_const $eq/$ne handling	2013-11-07 16:53:28 +01:00
Clifford Wolf	db42a8f89b	Fixed $eq/$ne bitwise optimization in opt_const	2013-11-07 11:54:59 +01:00
Clifford Wolf	a9fefc6ce1	Bugfixes for empty signal vectors	2013-07-10 12:52:29 +02:00
Clifford Wolf	0c0197cf45	Fixed handling of $eq and $ne in opt_const	2013-07-07 12:59:00 +02:00
Clifford Wolf	3ecc314238	Fixed to aggressive x-folding in opt_const	2013-05-17 14:55:18 +02:00
Clifford Wolf	c6198ea5a8	Fixed a bug in opt_const when optimizing 1-bit compares with constants	2013-04-13 21:18:24 +02:00
Clifford Wolf	9f10acb840	added optimizations for single-bit $eq/$ne with constant input to opt_const	2013-03-19 13:33:33 +01:00
Clifford Wolf	d8a7fa6b67	improved $mux optimization in opt_const	2013-03-19 13:32:39 +01:00
Clifford Wolf	b7fcf1fb9a	keep $mux and $_MUX_ optimizations separate in opt_const	2013-03-19 13:32:04 +01:00
Johann Glaser	69674652c5	added one more suggestion to optimize MUXes in pass "opt_const"	2013-03-18 22:06:16 +01:00
Johann Glaser	a4e2c887f1	also optimize single-bit "$mux" cells in pass "opt_const", added suggestions ... for more optimizations	2013-03-18 22:05:21 +01:00
Clifford Wolf	36954471a6	Added help messages for opt_* passes	2013-03-01 09:01:49 +01:00
Clifford Wolf	1bbc2b34c8	Added support for simple gates with one constant input to opt_const	2013-02-27 18:00:01 +01:00
Clifford Wolf	7764d0ba1d	initial import	2013-01-05 11:13:26 +01:00