Commit Graph

282 Commits

Author SHA1 Message Date
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 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 a38137b69a fix conversion of casts in gen item exprs 2020-07-15 19:04:11 -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 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 a7673c55fd automatically fix simple declaration order issues 2020-07-08 22:20:40 -06:00
Zachary Snow 4b5e3232b9 support for localparam type 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 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 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 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 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 4026ae8fa5 interface conversion respects shadowed variables 2020-06-20 15:56:01 -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 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 64f3067d78 allow dimension shorthand for instance arrays 2020-06-17 22:26:27 -04:00
Zachary Snow 3cfd368bc2 support multi-dimensional instances 2020-06-17 22:18:08 -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 682620b23f struct conversion includes exprs in decls 2020-06-13 22:14:53 -04:00
Zachary Snow 2bc2eb59d8 advanced typeof support
- most binary operators
- ternary expressions
- bitwise negation
- number literals
- size casts
- concat and repeat expressions
2020-06-07 13:13:19 -04:00
Zachary Snow d0a6b0f529 fix 32 bit constant cast 2020-06-07 00:28:55 -04:00
Zachary Snow 82703834ac constant folding for shifts 2020-06-06 22:45:17 -04:00
Zachary Snow 2d7982f81e simplify $bits on simple part selects 2020-06-06 21:28:37 -04:00
Zachary Snow eb93ba67fc integer atom explicit sign cast support 2020-06-06 21:26:14 -04:00
Zachary Snow a8346f2f88 actually fix unbased unsized literals in ternary exprs 2020-06-06 17:01:27 -04:00
Zachary Snow 355b62da70 pack arrays in ternary expressions assigned to other arrays 2020-06-06 13:42:30 -04:00
Zachary Snow 7e20b74147 logic conversion handles shadowing 2020-06-05 21:41:03 -04:00
Zachary Snow 80bfbc1e8a fix unbased unsized literals in ternary exprs 2020-06-05 21:40:59 -04:00
Zachary Snow 9249c9fa2b typdef conversion obeys generate scoping 2020-06-05 21:38:31 -04:00
Zachary Snow ae392d4536 fix single bit enum sizing
- single bit localparams retain explicit range
- fix $bits on unsized literals
- use Implicit over Maybe for underlying type
2020-06-05 21:32:02 -04:00
Zachary Snow 97b2d1d166 fix declaration order of generated enum items 2020-06-05 21:32:02 -04:00
Zachary Snow ecf047e36e fix declaration order of nested package items 2020-06-05 21:31:58 -04:00
Zachary Snow b6f4f690e7 support simple bundle interfaces
- fix position modport-to-modport bindings
- inout logics converted to regs become outputs
2020-06-03 20:26:17 -04:00
Zachary Snow 478f0d19d2 fix premature typename cast conversion (resolves #88) 2020-06-01 18:19:47 -04:00
Zachary Snow 9042145695 substitute localparams into type params 2020-05-31 22:01:40 -04:00
Zachary Snow ea81d55cdc fix duplicate param type modules 2020-05-31 22:00:57 -04:00
Zachary Snow 3e85885def fix conversion of multi-packed arrays in packages 2020-05-04 19:22:36 -04:00
Zachary Snow f381476161 support nested interfaces 2020-04-13 22:50:41 -04:00
Zachary Snow e7381c4db2 fix double multipack conversion of Exprs in LHSs 2020-03-24 22:02:38 -04:00
Zachary Snow 5ad4849454 fix slicing direction for multi-packed arrays 2020-03-22 19:37:58 -04:00
Zachary Snow c03dba096f pack sliced arrays (resolves #78) 2020-03-18 23:40:21 -04:00
Zachary Snow a415d9eb3d fix type propagation of struct fields bit accesses 2020-02-20 00:19:14 -05:00
Zachary Snow 470fa01eb2 updated casting conventions
- explicit enum casts in source are converted to size casts
- conversion for basic pattern array literals of unsized numbers
- unsized number array literals preserve signing
- more aggressive ternary simplification
2020-02-19 18:58:25 -05:00
Zachary Snow 976f582287 push struct and multi-packed ternaries into ranges
- the ternary expressions were previously used to decide the direction
  of generated part selects
- this fixes an issue where ternaries were generated for LHSs
2020-02-18 21:25:20 -05:00
Zachary Snow 8f2d7dd5c7 fixed multiple issues with struct and multi-packed conversions
- struct conversion handles directionality of fields
- struct conversion supports minus part selects
- fixed incorrect handling of directional part selects in multi-packed
  conversion
- multi-packed conversion defines standard ranges in terms of
  directional part selects for clarity
- fixed potential loop due to overeager untagging in multi-packed
  conversion
2020-02-17 13:57:48 -05:00
Zachary Snow 5f0ccee065 conversion for unsized integer arrays 2020-02-17 12:12:51 -05:00
Zachary Snow 20dc92f6d8 fix typeof integer slices 2020-02-16 23:39:48 -05:00
Zachary Snow 9af38e7870 globally imported items are selectively nested 2020-02-16 15:44:03 -05:00
Zachary Snow 799141af42 enum conversion covers nested module items (resolves #70) 2020-02-15 17:14:59 -05:00
Zachary Snow 463cdcb2c1 support complex sizes in size casts (resolves #69) 2020-02-15 16:48:09 -05:00
Zachary Snow fe8839eaec fix struct typing of ternary expressions (resolves #73) 2020-02-15 14:44:49 -05:00
Zachary Snow b124a561f2 updated binary and unary operator printing (resolves #72) 2020-02-15 14:11:17 -05:00
Zachary Snow aea64e903c pack arrays assigned to other arrays 2020-02-13 23:59:01 -05:00
Zachary Snow c876c447e6 fix interface inlining renaming 2020-02-09 22:17:48 -05:00
Zachary Snow 4cf65dd4e2 support for struct type parameters
- param type conversion properly supports deferred param type resolution
- fixed struct conversion incomplete Subroutine traversal
- struct conversion excludes param types from conversion
- parameters are defaulted to have integer type
2020-02-09 17:31:24 -05:00
Zachary Snow 2f8ee303de keyword args conversion covers tasks 2020-02-09 14:17:18 -05:00
Zachary Snow 14644cd1ed fix output of empty generate loops 2020-02-09 14:01:05 -05:00
Zachary Snow 8a008c3024 interface conversion supports positional port bindings
- also fixes an issue where system tasks were inadvertently prefixed
  during the interface conversion
2020-02-09 13:42:45 -05:00
Zachary Snow 7a00c36a70 jump conversion keeps timing controls at the top level 2020-02-09 11:53:21 -05:00
Zachary Snow 4b3b09d2db allow extraneous semicolons in generate blocks 2020-02-08 22:15:35 -05:00
Zachary Snow 2dcd35ade7 support typedefs with unpacked dimensions 2020-02-02 21:40:43 -05:00
Zachary Snow 9694799a23 more consistent procedural assignment support 2020-02-01 15:52:52 -05:00
Zachary Snow 610d9abacf support for gates with delays 2020-01-31 20:24:37 -05:00
Zachary Snow dd0eb5981d added source trace comments
- Trace comments cover module items, decls, and stmts
- Added pseudo-lexer to Alex parser for monadic Position production
- Added Position to every DeclToken
- Removed Comment PackageItem
- Added CommentStmt and CommentDecl
- Fixed traversal skipping outer MIAttr ModuleItems
- Generally cleaned up Parser modules
2020-01-30 22:17:17 -05:00
Zachary Snow 17e17ebd7f fix struct array pattern conversion (resolves #60) 2020-01-20 17:26:03 -08:00
Zachary Snow e62074c756 type operator full select support 2020-01-11 22:52:12 -05:00
Zachary Snow 22d6ba4927 support evaluating functions as statements 2020-01-11 21:06:09 -05:00
Zachary Snow 2bd24b6086 expand type operator support 2020-01-11 20:35:51 -05:00
Zachary Snow b58248fc2c support type operator on simple expressions 2020-01-11 16:22:07 -05:00
Zachary Snow 8cc649a090 made tests in basic suite yosys-friendly
- multipack
- multipack_port
- package_order
- struct_array
2020-01-05 15:29:12 -05:00
Zachary Snow 7ea5b60d0b support for inside case statements 2019-12-21 20:41:19 -05:00
Zachary Snow 7f2fe54b11 fix jump statement conversion 2019-12-09 21:17:01 -05:00
Zachary Snow fb5fd39388 support for inside expression ranges and wildcards 2019-12-08 17:36:25 -05:00
Zachary Snow 92d827f3a5 preserve else block association, with timings 2019-11-20 20:44:09 -05:00
Zachary Snow 35a0587d2c preserve else block association (resolved #56) 2019-11-20 20:18:56 -05:00
Zachary Snow 95299c6f56 conversion of structs with multi-dim fields (resolves #53) 2019-11-19 23:15:25 -05:00
Zachary Snow 49e4f7872d conversion for always_latch (resolves #54) 2019-11-18 19:26:54 -05:00
Zachary Snow c936b39bd2 use system functions for signedness casts 2019-10-20 16:18:18 -04:00
Zachary Snow 06411d70f1 support converting interfaces with parameters 2019-10-20 15:58:37 -04:00
Zachary Snow 3597f4a6be support for methods (no conversion) and interface TFs 2019-10-19 16:22:46 -04:00
Zachary Snow a1cd6941ae apply patterns to substructures 2019-10-13 23:37:43 -04:00
Zachary Snow de581ecaf5 initial support for types in struct patterns 2019-10-13 19:01:42 -04:00
Zachary Snow 3979d294eb consistent size casting behavior
- also adds $clog2 localparam substitution to Simplify
2019-10-12 11:40:36 -04:00
Zachary Snow 79f9d21fe7 leave non-data-declarations at the end of modules 2019-10-12 11:18:10 -04:00
Zachary Snow 8ae89a7bd4 support and convert jumps: break, continue, and return 2019-10-08 23:50:26 -04:00
Zachary Snow f0368714e1 support generate for without explicit block 2019-10-06 15:36:29 -04:00
Zachary Snow 9524f0028b support identifier delay values 2019-10-03 20:38:38 -04:00
Zachary Snow 77dd1011e3 support multiple assignments in one `assign` 2019-10-03 19:37:42 -04:00
Zachary Snow 2b84bdb7e2 support for type param without parameter keyword 2019-10-01 22:02:30 -04:00
Zachary Snow d57c967090 added partial support for implicitly sized arrays 2019-09-28 16:57:36 -04:00
Zachary Snow 454afa97a3 major array pack and flatten update (closes #48)
- dimensions flattening conversion only flattens packed dimensions
- conversion for packing arrays when necessary (preserves memories)
- added coverage for array with multiple packed dimensions
- test runner no longer forbids multi-dim accesses after conversion
- Decl and subordinate types derive Ord
2019-09-26 23:11:59 -04:00
Zachary Snow dcca974fbc support size casts with complex size expressions 2019-09-25 23:59:47 -04:00
Zachary Snow 1584f39045 allow typename resolution of non-vector types 2019-09-25 23:45:18 -04:00
Zachary Snow 111e04f86e remove extraneous explicit unsigned in params (resolves #47) 2019-09-25 19:42:31 -04:00
Zachary Snow 76663c78a0 fix typename decl asgn lookahead (resolves #49) 2019-09-25 19:34:42 -04:00
Zachary Snow c7f51209df remove extraneous explicit unsigned (resolves #45) 2019-09-24 23:35:06 -04:00
Zachary Snow 2d81c6470f prevent genvar conflict without changing scope tree 2019-09-21 14:14:55 -04:00
Zachary Snow aa294eaad0 genvars declared in for loops retain scoping (resolves #46) 2019-09-21 13:36:33 -04:00
Zachary Snow 142df3b5f6 fixed handling of unbased unsized literals (resolves #43) 2019-09-18 23:39:09 -04:00
Zachary Snow ba4cf805ff preliminary conversion for size casts 2019-09-18 23:39:09 -04:00
Zachary Snow 82218848fc allow post inc/dec as first stmt in a block 2019-09-18 23:39:09 -04:00
Zachary Snow 2d034dcb73 basic support for elaboration system tasks 2019-09-17 20:30:17 -04:00
Zachary Snow 512d4b1a7f support module "list of param assignments" shorthand 2019-09-17 19:48:08 -04:00
Zachary Snow 5d80c83092 support for module attributes (resolves #39) 2019-09-15 23:17:14 -04:00
Zachary Snow bb2a8febea module item traversals visit items with attributes 2019-09-15 16:56:55 -04:00
Zachary Snow 77b9d2f085 support and conversion for foreach 2019-09-15 16:32:19 -04:00
Zachary Snow 7f701cd112 fixed dimension shorthand diretion and relevant tests 2019-09-15 16:30:53 -04:00
Zachary Snow 2ca8a022ad support and conversion for -> and <-> 2019-09-15 13:55:40 -04:00
Zachary Snow e27d6920a7 conversion for array query system functions (resolves #37) 2019-09-14 16:46:51 -04:00
Zachary Snow a14d078230 substitution conversion for size casts (closes #27) 2019-09-11 22:52:01 -04:00
Zachary Snow 6ddf782383 drop timeunit and timescale (closes #31) 2019-09-11 21:44:57 -04:00
Zachary Snow dd3a7e687c EmptyArgs conversion skips global functions until nested 2019-09-11 21:04:57 +02:00
Zachary Snow 4d0d652c86 enum preserves alias base type dimensions 2019-09-11 20:45:41 +02:00
Zachary Snow bd2efb4201 support struct patterns with partial defaults (resolves #35) 2019-09-11 19:32:24 +02:00
Zachary Snow 46242aac5d fix combined array declarations (resolves #34) 2019-09-11 19:32:12 +02:00
Zachary Snow f8a2bcbea0 conversion for function void (resolves #32) 2019-09-11 19:31:50 +02:00
Zachary Snow 6271e16b68 functional parameter type conversion 2019-09-11 17:58:03 +02:00
Zachary Snow 4de585ec0f initial parameter type conversion 2019-09-11 09:27:18 +02:00
Zachary Snow 9cc211d51e fix non-vector enum base types (closes #29) 2019-09-05 00:34:56 -04:00
Zachary Snow 1a6e0ce9df added support for inside expressions (closes #28) 2019-09-04 21:36:50 -04:00
Zachary Snow 41bba1b2f2 generate localparams for all package enums (closes #26) 2019-09-04 20:59:41 -04:00
Zachary Snow af4711a8cf preliminary stream conversion 2019-09-03 23:36:29 -04:00
Zachary Snow d6c932d0fc conversion for block decls with asignments 2019-09-02 13:08:41 -04:00
Zachary Snow 8f7968bf37 support data declarations with automatic lifetime (closes #20) 2019-08-31 15:36:27 -04:00
Zachary Snow 243f773657 convert for loop declarations and assignments to signle assignment (closes #15) 2019-08-30 00:12:01 -04:00
Zachary Snow 1472ea0cfe convert unpacked parameter dimensions (closes #18) 2019-08-29 20:52:06 -04:00
Zachary Snow 96034eb99c support for flattening multidimensional ports (resolves #21) 2019-08-28 22:32:36 -04:00
Zachary Snow 1dad3a7502 parse and convert empty function arguments (resolves #17) 2019-08-28 20:29:35 -04:00
Zachary Snow b48ca0bb8f added package enum item name resolution (resolves #16) 2019-08-28 19:01:25 -04:00