Commit Graph

110 Commits

Author SHA1 Message Date
steve c045f51a7f Spelling fixes (larry doolittle) 2007-02-26 19:51:38 +00:00
steve f02b2c9d7a Fix handling of exploded memories with partial or missing resets. 2006-04-16 19:26:37 +00:00
steve 312d09dc1d Handle asynchronous demux/bit replacements. 2006-03-26 23:09:21 +00:00
steve b8bc531f05 Fix the memsynth1 case. 2006-03-12 07:34:16 +00:00
steve 79cb8c883a Add support for negedge FFs by using attributes. 2006-02-25 05:03:28 +00:00
steve 7527c466ed Handle synthesis of FF vectors with l-value decoder. 2006-02-19 00:11:31 +00:00
steve 943316c6f6 Support DFF with synchronous inputs. 2006-01-18 06:15:45 +00:00
steve e4ae832153 Clean up spurious trailing white space. 2004-10-04 01:10:51 +00:00
steve 965d928430 More carefull about eliding bufzs that carry strength. 2004-09-25 21:04:25 +00:00
steve 5e627c9adc Compile cleanup of C code. 2004-09-10 23:13:05 +00:00
steve 3dbc07f34d Implement signed divide and signed right shift in nets. 2004-06-30 02:16:26 +00:00
steve b043445c80 Generate .cmp/eq nodes instead of sea of gates. 2004-06-16 23:33:42 +00:00
steve 59ac435c71 Fix various unsigned compare warnings. 2003-12-19 01:27:10 +00:00
steve a461a76bd5 Emit .event inputs before the .event statement. 2003-10-09 23:45:03 +00:00
steve 64d795c53a Preserve variable ranges all the way to the vpi. 2003-08-22 23:14:26 +00:00
steve d653a7e88d Add support for triand and trior. 2003-07-30 01:13:28 +00:00
steve 8cfef65bd8 Implement acc_fetch_defname and its infrastructure in vvp. 2003-05-29 02:21:45 +00:00
steve 3bd08e6212 Allow primitives to hvae unconnected input ports. 2003-05-13 01:56:15 +00:00
steve 5d1d99a89f Handle signed magnitude compare all the
way through to the vvp code generator.
2003-04-11 05:18:08 +00:00
steve f354c43941 Use hash code for scope labels. 2003-03-25 02:15:48 +00:00
steve 8188e8f3bf Use %p name for all LPM functors. 2003-03-13 06:07:11 +00:00
steve 1222153cdf Keep parameter constants for the ivl_target API. 2003-03-10 23:40:53 +00:00
steve 0bf901e9bb Use number for event labels. 2003-03-06 01:17:46 +00:00
steve 17ec5d7891 Use numbers for functor labels. 2003-03-06 00:27:09 +00:00
steve 76a77fdd36 Printed nexus names need not use ivl_nexus_name. 2003-03-03 23:05:49 +00:00
steve 679c9c5bfe Only give scope basename to .scope directives. 2003-03-03 01:48:41 +00:00
steve e6eded243e Eliminate use of ivl_lpm_name function. 2003-02-25 03:40:45 +00:00
steve 46253ed873 Rework expression parsing and elaboration to
accommodate real/realtime values and expressions.
2003-01-26 21:15:58 +00:00
steve c2070777b2 The $time system task returns the integer time
scaled to the local units. Change the internal
 implementation of vpiSystemTime the $time functions
 to properly account for this. Also add $simtime
 to get the simulation time.
2002-12-21 00:55:57 +00:00
steve 2fafe6866f Better handling of select width of shifters. 2002-11-21 18:08:09 +00:00
steve 32f1ca6f8b draw lpm ff with aset_expr taken into account. 2002-10-23 04:39:35 +00:00
steve 166621bcb3 Generate vvp code for asynch set/reset of NetFF. 2002-09-26 03:18:04 +00:00
steve 5d6567cb02 Generate vvp code for structural flip-flops. 2002-09-17 05:37:45 +00:00
steve 52bf4e613f conditional ident string using autoconfig. 2002-08-12 01:34:58 +00:00
steve 89314d4772 Do not use hierarchical names of memories to
generate vvp labels. -tdll target does not
 used hierarchical name string to look up the
 memory objects in the design.
2002-08-04 18:28:14 +00:00
steve 41f7ecacfc Eliminate use of ivl_signal_name for signal labels. 2002-08-03 22:30:48 +00:00
steve 15becdaee4 Need driver for sure in assign feedback and other cases. 2002-07-18 02:06:37 +00:00
steve 472f98affe Generate code for wide muxes. 2002-07-08 04:04:07 +00:00
steve 301040a67a Avoid emitting to vvp local net symbols. 2002-07-05 21:26:17 +00:00
steve 5eca5d9948 Carry integerness throughout the compilation. 2002-06-21 04:59:35 +00:00
steve 4a7e14786c Tail size was wrong. 2002-04-23 05:18:05 +00:00
steve 1ddb736f4c Handle bitsel muxes of odd shaped outputs. 2002-04-23 05:06:31 +00:00
steve 9ef49379f4 Add support for non-constant bit select. 2002-04-23 03:53:59 +00:00
steve 96213fe0ac Keep delays applied to BUFZ devices. 2002-04-22 03:15:25 +00:00
steve 7349a6beaf Generate port information in the .ufunc statement. 2002-03-18 00:18:50 +00:00
steve b7c2bd4f72 Add the NetUserFunc netlist node. 2002-03-09 02:10:22 +00:00
steve 02f5ccd5d9 Handle constants with drive strength z 2002-01-12 17:49:41 +00:00
steve 361d4f2147 Drive strengths for continuous assignments. 2002-01-12 04:03:39 +00:00
steve 6be3be0f16 Constant values have drive strengths. 2002-01-06 03:15:43 +00:00
steve dd79885f6d Add structural modulus support down to vvp. 2002-01-03 04:19:01 +00:00