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531 Commits

Author SHA1 Message Date
Zachary Snow ecee8b3358 support for interface based typedefs 2021-04-15 11:35:20 -04:00
Zachary Snow 1ba5ab2739 size using lhs for reg continuous assignment indirection 2021-04-14 14:31:31 -04:00
Zachary Snow 44afcf5b29 improved handling of break statement 
- fix preservation of loop variables when breaking
- extend Yosys-compatible constant loop conversion to support loop
  variables declared outside of the looop
 2021-04-14 13:16:27 -04:00
Zachary Snow 04d6fa6199 fix additional type parameter instantiation issues 
- avoid premature conversion of default struct type parameters
- allow use of $clog2, $signed, and $unsigned in type parameters
- more thorough and efficient top reference ident renaming
- precede type param conversion with hier const pass
 2021-04-13 22:22:33 -04:00
Zachary Snow 623f0a2d39 fix missing top reference renames in param type instantiation 
- renaming applies to nodes within generate blocks
- renaming applies to LHSs
 2021-04-13 16:47:00 -04:00
Zachary Snow 4ddbff9b97 keep enum localparam types for later resolution 2021-04-13 15:08:38 -04:00
Zachary Snow eeeade3e19 allow packages to reference their own items explicitly 2021-04-13 14:44:42 -04:00
Zachary Snow c0b8ba17de simplify interface port type representation 2021-04-13 10:45:26 -04:00
Zachary Snow 7f79147c7b initial parameterized class data type support 2021-04-12 21:22:14 -04:00
Zachary Snow d0d897b4e4 package name resolution visits enum base types 2021-04-09 14:07:34 -04:00
Zachary Snow c6dbdd09ca preliminary language support for basic classes 2021-03-22 20:01:38 -04:00
Zachary Snow 38cc25fad6 more test coverage and dead code removal 2021-03-09 15:48:10 -05:00
Zachary Snow 937a583e41 fix simple loop jump guarded conversion 2021-03-09 12:42:34 -05:00
Zachary Snow 77b2f8b6ce improve for decl error messaging 2021-03-05 19:58:44 -05:00
Zachary Snow 5080265e4d typedef, multipack, and struct conversions scope substitutions 2021-02-22 14:13:37 -05:00
Zachary Snow 80d75d2ac0 confine genvar local typing to loops 2021-02-21 23:23:06 -05:00
Zachary Snow f84dd70186 fix handling of hierarchical references with type parameters 
- wait for hierarchical references within an instance's type parameters
  to be resolved before instantiating the module
- references to a module's top-level named scopes are now correctly
  renamed when creating new type parameter modules
 2021-02-21 17:16:20 -05:00
Zachary Snow 82228f67b6 typedef conversion avoids excess traversals 2021-02-19 15:41:08 -05:00
Zachary Snow e9d62e01ad unify type range splitting 2021-02-19 14:50:05 -05:00
Zachary Snow aea2975d66 remove outdated TODOs 2021-02-19 12:24:56 -05:00
Zachary Snow 357b2921b3 restrict enum conversion to parts 2021-02-18 17:10:41 -05:00
Zachary Snow ec766657a8 simplify value range representation 2021-02-17 17:12:57 -05:00
Zachary Snow 0d095e6afb updated case inside representation 2021-02-17 13:29:44 -05:00
Zachary Snow 8e1f2bbafb more aggressive binop simplification 2021-02-11 18:28:53 -05:00
Zachary Snow 465060ce4f fold concatenations of number literals 2021-02-11 17:36:05 -05:00
Zachary Snow 19711ba17b minor scoper performance tweaks 2021-02-11 17:22:01 -05:00
Zachary Snow 642803a707 expression traversals no longer visit types by default 2021-02-11 17:07:58 -05:00
Zachary Snow de27065dba use runIdentity for traverseFiles 2021-02-11 16:42:26 -05:00
Zachary Snow 87ea9de853 substitute constants from type information across scopes 2021-02-10 12:56:26 -05:00
Zachary Snow 6d2cdf1d21 fix infinite loop on mutually recursive functions 2021-02-09 20:54:28 -05:00
Zachary Snow d847fdfaca split phases into sections 2021-02-08 12:42:34 -05:00
Zachary Snow 5c2632982e simplify substitution avoids shadowing 2021-02-07 14:08:19 -05:00
Zachary Snow 490d96ba46 generate consistent hashes within interface conversion 2021-02-05 10:00:59 -05:00
Zachary Snow dd1a9efb40 refactor cast conversion 
- delegate cast type and sign resolution to TypeOf conversion
- internal support for injecting data declarations into statements
- fix size and sign of unbased unsized literals used in casts
- avoid generating many unnecessary explicit casts
- support casts which depend on localparams within procedures
- expression traversal correctly visits types within type casts
- fix typeof on expressions of net types
- handle additional edge cases for unsized integer array patterns
- preserve signedness of implicitly flattened unpacked integer arrays
 2021-02-03 16:28:53 -05:00
Zachary Snow 8eb9523d06 fix typeof bounds for part selects 
- split out typeof handling of part selects
- account for directionality of base dimension
- refactor dimensions test case with detailed output
 2021-02-02 11:26:41 -05:00
Zachary Snow 5c8d838eef fix overzealous task/function decl hoisting 2021-02-01 15:54:32 -05:00
Zachary Snow b8759776ca limited progress on typeof signedness 
- ensure concats and repeats stay unsigned
- defer unbased-unsized conversion to enable cast semantics
- disable inaccurate folding of binary operations of based numbers
- fix typeof and size cast binop signedness logic
- fix typeof $unsigned and $signed
- test harness allows production of `integer unsigned`
 2021-02-01 10:17:50 -05:00
Zachary Snow 275130e0b0 move package param step to conversion 2021-01-27 16:41:39 -05:00
Zachary Snow 821b8bc947 fix loop in logic indirection typing 2021-01-26 15:39:41 -05:00
Zachary Snow b22cd210a4 improved portability of logic conversion 
- indirect converted reg continuous assignments through wires
- fix typeof for implicitly typed ports
- fix typeof for sized implicitly typed params
 2021-01-25 19:23:54 -05:00
Zachary Snow e4adf6a74c apply reordering in generate blocks 2021-01-25 12:01:03 -05:00
Zachary Snow 8c967ea9c7 cast function generated output stability 
- cast functions in separate scopes are no longer omitted or removed
- package item reordering excludes locally declared names
- test runner ensures output is stable after first iteration
 2021-01-24 14:29:54 -06:00
Zachary Snow b28a3cac0d represent typedefs as localparam types 2021-01-24 10:07:35 -07:00
Zachary Snow 378ede9e1a standardize internal representation of unknown types 2021-01-24 09:55:03 -07:00
Zachary Snow 58e5bfa6d3 fix typeof incorrectly propagating implicit types 2021-01-23 21:55:11 -07:00
Zachary Snow 8eb3a251f7 package conversion overhaul 
- full import and export support
- simplify AST representation of import and export
- allow package-scoped identifiers invoked as subroutines
- use scoped name resolution for identifiers in packages
- merge package item nesting conversion into package conversion
- fix handling of colliding enum items in separate modules
- fix visiting enum item exprs in types
 2021-01-23 21:54:39 -07:00
Zachary Snow ea56f51d03 support for parameters without defaults 2021-01-21 11:55:23 -07:00
Zachary Snow 5891a0eb7d improve edge case messaging 
- error for unbound module instance interface ports
- warning for converting an interface alone
- warning for converting a package alone
- update terminology for modules removed by interface conversion
 2020-12-30 17:17:27 -07:00
Zachary Snow 2311d3e2d6 additional interface conversion test coverage 2020-12-11 12:41:20 -07:00
Zachary Snow b7b40af6b8 ensure collector results are evaluated 2020-12-10 18:30:23 -07:00
Zachary Snow 370e5e9e0c package item nesting performance optimization 2020-12-08 13:16:10 -07:00
Zachary Snow d137fd3d68 fix premature elaboration of single element patterns 2020-12-07 16:23:29 -07:00
Zachary Snow ad18c583ab support default pattern unbased unsized port bindings 2020-12-07 16:23:26 -07:00
Zachary Snow 2b377cef04 interface and instance array support 
- support for interface instance arrays
- support for interface-using module instance arrays
- support for modport array bindings
- fix modport bindings shadowed in nested instances
 2020-12-06 15:41:33 -07:00
Zachary Snow 8eac9b0149 use reg for empty args placeholder 2020-12-05 17:37:18 -07:00
Zachary Snow 454f8dcb24 faster package item nesting traversal 2020-11-28 15:22:58 -07:00
Zachary Snow 2e499dbd03 support case inside with basic side effects 2020-11-27 14:09:16 -07:00
Zachary Snow 260a6507eb fix converted constant continuous assignment 2020-11-24 17:27:58 -07:00
Zachary Snow e9f9696342 extend typeof operator support 2020-09-28 23:42:46 -04:00
Zachary Snow 5eaecc6635 fix redeclaration of implicitly typed ports 2020-09-28 19:59:43 -04:00
Zachary Snow 6d907e0985 typeof logical negation 2020-09-13 23:51:13 -04:00
Zachary Snow 7e2450ea5e conversion to create declarations for implicit nets 2020-09-13 23:35:41 -04:00
Zachary Snow a170536382 unbased-unsized binding nested struct performance fix 2020-08-20 20:24:45 -04:00
Zachary Snow 7f0c33ab4e constant fold adjacent adds through association 2020-08-16 14:28:13 -04:00
Zachary Snow 8a8b089a92 assume 0-based sized ranges are non-negative 2020-08-16 13:44:40 -04:00
Zachary Snow 2429a2c9f0 upgraded streaming concatenation conversion 
- fix handling of truncation for unpacking
- fix handling of final limited-size chunk
- support unpacking in a declarations with assignments
- support streaming concatenations in continuous assignment
 2020-08-16 13:12:11 -04:00
Zachary Snow 11bb05374c simplify duplicate genvar conversion 2020-08-16 12:50:51 -04:00
Zachary Snow 99df32642e remove old traverseScopesM 2020-08-16 12:47:41 -04:00
Zachary Snow d4511871ca typeof $clog2 2020-08-13 19:37:12 -04:00
Zachary Snow d9e890c88e signed size cast shorthand output 2020-08-13 18:38:30 -04:00
Zachary Snow e80db12422 conversion for implicitly variably sized parameters 2020-08-12 21:59:57 -04:00
Zachary Snow e4135bb896 use strict State and Writer monads 2020-08-11 19:14:18 -04:00
Zachary Snow 13b62fd81e support structs of integers 2020-08-11 18:37:21 -04:00
Zachary Snow 50a6966a4f fix three typeof conversion issues 
- type of strings are left implicit
- type of implicitly-typed params uses the type of the default value
- prevent exponential blowup for large ternary expressions
 2020-08-09 17:23:37 -04:00
Zachary Snow 67466eaa60 major interface conversion update 
- module instances with modport bindings are now inlined
- support for modports in generate loops
- support for generic interfaces
- implied modport instance propagation
- add error message for interface instances missing port list
 2020-08-08 20:43:47 -06:00
Zachary Snow 5161a9e71b allow scope traversals to rename tasks and functions 2020-08-01 20:21:32 -06:00
Zachary Snow 3834b9f109 support type lookup of genvars 2020-08-01 20:14:40 -06:00
Zachary Snow 698e3b0b54 fix unbased unsized binding conversion for instances with type parameters 2020-07-27 19:04:41 -06:00
Zachary Snow 50d6faa9b0 yosys-compatible simple loop jump conversion 2020-07-27 18:50:26 -06:00
Zachary Snow 8e1693d396 yosys-compatible unbased unsized binding conversion 2020-07-25 14:54:33 -06:00
Zachary Snow 21ebbb5a19 use repeats for converted unbased-unsized literals 
- reduces the number of cast functions which are generated
- adjust package_function_cast to preserve cast converage
- fix issue where cast functions would be generated before localparam
  substitution within a procedure
 2020-07-24 21:29:59 -06:00
Zachary Snow f0a5a47371 fix break/continue causing return after loop 2020-07-23 19:04:20 -06:00
Zachary Snow bbb469463b fix typing bit and part selects 2020-07-23 18:23:40 -06:00
Zachary Snow 8537a9efda fix scoping of single-item generate conditionals 2020-07-22 20:30:33 -06:00
Zachary Snow 5ad8de9ef7 standardize pattern conversion 2020-07-21 18:05:27 -06:00
Zachary Snow 49c0d297c9 fix package conversion not prefixing declarations with assignments (resolves #115) 2020-07-20 22:19:18 -06:00
Zachary Snow 81890561a3 use simple equality for parameters with integral defaults 2020-07-20 18:12:05 -06:00
Zachary Snow e88a6b9d84 fix type lookup of yet-unresolved types (resolves #111) 2020-07-20 17:06:13 -06:00
Zachary Snow 7eed2fc58e fix handling of multi-dimensional integer array literals (resolves #113) 2020-07-20 16:55:55 -06:00
Zachary Snow e6e62e8813 typedef conversion visits nested types in statements 2020-07-19 20:54:44 -06:00
Zachary Snow 90de4aa121 fix inadvertent duplicate casts 2020-07-19 19:09:57 -06:00
Zachary Snow 03b6ece939 address type lookup of $unsigned and $signed 2020-07-17 19:18:54 -06:00
Zachary Snow e5e99b291b Revert "avoid unnecessary unased-unsized casts in assignments" 
This reverts commit 51f2d2bb33.
 2020-07-17 19:15:34 -06:00
Zachary Snow cc9f7f4658 remove old scopedConversion 2020-07-15 19:17:05 -06:00
Zachary Snow 4c173d86ab transition simplify conversion to new scoper 2020-07-15 19:14:05 -06:00
Zachary Snow a38137b69a fix conversion of casts in gen item exprs 2020-07-15 19:04:11 -06:00
Zachary Snow c28bb71ac5 more careful expr and type traversals 2020-07-15 18:44:57 -06:00
Zachary Snow efe8de3933 faster scope resolution 2020-07-15 18:44:36 -06:00
Zachary Snow 5667bdb589 unpacked array conversion supports generate scoped data 
- added type class for looking up elements in scoped conversions
 2020-07-14 22:59:59 -06:00
Zachary Snow b19259c694 upgraded size cast conversion 
- support casts of generate scoped expressions
- support casts to sizes involving genvars
 2020-07-14 20:10:38 -06:00
Zachary Snow 2d3973e624 synthesizable wildcard conversion 2020-07-13 23:15:06 -06:00
Zachary Snow 51f2d2bb33 avoid unnecessary unased-unsized casts in assignments 2020-07-13 18:55:47 -06:00
Zachary Snow b2291a2046 use explicit size for large folded constants 2020-07-12 18:06:37 -06:00
Zachary Snow db21869e69 fix premature conversion of casts containing dimension queries 2020-07-12 16:23:08 -06:00
Zachary Snow d88c516d33 enhanced handling of number literals 
- number literals are parsed rather than stored as strings
- fix array query functions used on non-trivial number literals
- more efficient expression simplification recursion
- expanded constant folding scenarios
 2020-07-12 15:06:27 -06:00
Zachary Snow 737c66a6c9 fix default type parameters which depend on other parameters 2020-07-10 17:45:36 -06:00
Zachary Snow a83cc3809b omit no-op size casts of explicitly-sized literals 2020-07-09 21:02:09 -06:00
Zachary Snow 2961d1058b remove deprecated TFStrategy traversals 2020-07-09 21:01:42 -06:00
Zachary Snow 69b2e86aee remove pattern synonyms which introduced excessive overhead 2020-07-09 21:01:18 -06:00
Zachary Snow ff166df59c fix conversion of implicitly-typed type parameters 2020-07-09 21:00:23 -06:00
Zachary Snow a7673c55fd automatically fix simple declaration order issues 2020-07-08 22:20:40 -06:00
Zachary Snow d2a0ba0d13 improved handling of number literals 
- elaborated literals larger than 32 bits are given an explicit size
- constant folding no longer encodes illegal negative numbers
 2020-07-08 21:49:50 -06:00
Zachary Snow 4b5e3232b9 support for localparam type 2020-07-08 19:39:26 -06:00
Zachary Snow 9aa8d5a5d3 remove outdated TODOs 2020-07-08 19:39:26 -06:00
Zachary Snow 671101a30b allow type parameters to depend on other parameters 2020-07-08 18:56:41 -06:00
Zachary Snow 219a57c37b preliminary language support for parameterized class scopes 2020-07-08 17:46:37 -06:00
Zachary Snow 296e246158 fix multi-dimensional array unbased unsized pattern conversion 2020-07-06 22:26:04 -06:00
Zachary Snow 9520894720 unbased unsized conversion refactor 
- support ubased unsized bound to ports using injected constants
- explicit context-aware literal sizing for complex expressions
- fix infinite loop case in NestPI conversion
- elaborate size-casts of converted literals
 2020-07-06 22:11:53 -06:00
Zachary Snow 1903bc190d use unbounded integers 2020-07-02 23:33:03 -06:00
Zachary Snow cd8af036a0 logic conversion supports generate block scoping 2020-07-02 22:59:06 -06:00
Zachary Snow af319c3655 scoper tracks whether traversal is in procedure 2020-07-02 22:59:06 -06:00
Zachary Snow 85e3d0f5b5 initial generate block scoping support 
- significant refactor of struct conversion
- significant refactor of typedef conversion
- scoping support in multipack conversion
- scoping support in typeof conversion
 2020-07-02 22:58:59 -06:00
Zachary Snow 211e4b0ed8 fix literal casts larger than 32 bits 2020-07-01 23:35:30 -06:00
Zachary Snow 1dfa9a9e7f simplify struct conversion 2020-07-01 22:37:19 -06:00
Zachary Snow 82d06b3915 elaboration avoid introducing illegal selects 2020-06-25 17:36:09 -07:00
Zachary Snow 80154feb5e logic conversion notices procedural assignments in tasks and functions 2020-06-25 09:31:39 -07:00
Zachary Snow 24071d74ac paramtype conversion resolves dimension queries before substitution 2020-06-25 00:09:56 -07:00
Zachary Snow 2d134a8640 fix verbose mode crash 2020-06-22 21:50:00 -04:00
Zachary Snow c005e5c6ae wildcard conversion uses simple equality if trivially possible 2020-06-22 21:33:53 -04:00
Zachary Snow 0fb97f2381 remove over-specified traversal arguments 2020-06-20 23:08:40 -04:00
Zachary Snow 2535d689aa fix struct/interface/logic conversion interactions 
- interface conversion only waits for type resolution of modports
- typeof conversion resolves struct field accesses
- logic conversion only converts logic data declarations
- struct conversion only converts within modules
- fix nested type traversal order causing premature struct conversion
 2020-06-20 22:46:54 -04:00
Zachary Snow bd1c07231f experimenting with monad helpers 2020-06-20 16:41:13 -04:00
Zachary Snow 4026ae8fa5 interface conversion respects shadowed variables 2020-06-20 15:56:01 -04:00
Zachary Snow 4bebb85c14 refactor interface conversion 2020-06-20 14:39:57 -04:00
Zachary Snow 8d37db30e5 support complex modport expressions 
- modports can use complex expressions
- update interface_infer test for consistency across simulators
- fix interface inlining of implicitly typed data declarations
 2020-06-19 20:32:37 -04:00
Zachary Snow 8ae925d92e support modports depending on other interface data declarations 2020-06-19 20:07:57 -04:00
Zachary Snow 369af00137 enums in packages are expanded in place 2020-06-19 00:41:02 -04:00
Zachary Snow 661703a8c2 address import resolution issues 
- fix wildcard imports shadowing other items
- fix explicit imports depending on other items
- fix example export in package.sv
 2020-06-18 21:18:08 -04:00
Zachary Snow 3cfd368bc2 support multi-dimensional instances 2020-06-17 22:18:08 -04:00
Zachary Snow 487685e0f0 remove ternary operators from wildcard conversion 2020-06-16 20:04:38 -04:00
Zachary Snow 5d02b918c3 fix inside and wildcard equality conversions 
- handle cases where wildcard equality short-circuits to 0
- move checking for extraneous X/Z to wildcard conversion
- add exhaustive test coverage
 2020-06-16 19:40:46 -04:00
Zachary Snow 99428b2f16 expanded support for interfaces with parameters 2020-06-14 22:57:46 -04:00
Zachary Snow 8cfd05de1a unbased unsized literals are context-aware 2020-06-14 21:43:32 -04:00
Zachary Snow cbe0071e43 fix bit param sizing (resolves #94) 2020-06-14 19:45:32 -04:00
Zachary Snow 12be569742 reduce usage of maybe 2020-06-14 15:56:09 -04:00
Zachary Snow b71e0f5346 performance improvements 
- removed repetition in dimension query conversion
- removed repetition in package item nesting conversion
- packing item nesting conversion short circuit
- param type conversion doesn't bother renaming non-param type instances
- implement showsPrec for certain expression cases
 2020-06-14 09:20:34 -04:00
Zachary Snow 682620b23f struct conversion includes exprs in decls 2020-06-13 22:14:53 -04:00
Zachary Snow 3baa9cbac7 simplify typedef conversion 2020-06-11 20:37:53 -04:00
Zachary Snow 9adb7522e9 improve stmt representation 2020-06-09 21:18:31 -04:00
Zachary Snow b58cf5bf07 remove empty generate conditionals 2020-06-07 14:26:53 -04:00