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238 commits

Author SHA1 Message Date
Brian Carroll
304e9c904f Formatting 2021-09-30 17:28:02 +01:00
Brian Carroll
7ac7e16f60 Ensure stack frame is always popped when procedure returns from inside a branch 2021-09-30 17:04:16 +01:00
Brian Carroll
79ac2f04b8 Improve stack allocation code 2021-09-30 17:04:16 +01:00
Brian Carroll
f1b14c14e3 Refactor SymbolStorage to emphasise stack/non-stack params 
We don't have much (any) code that cares about the difference between
heap pointers and other primitives, but we have a _lot_ of code that cares
if it's stack memory. So let's encode it that way.
 2021-09-30 17:04:16 +01:00
Brian Carroll
7ea59ad9d4 PR tidy-ups 2021-09-29 06:15:58 +01:00
Brian Carroll
45c9dc8617 update gen_wasm README 2021-09-28 19:06:47 +01:00
Brian Carroll
02bb9028ef Returning records on the stack from Wasm dev backend! 2021-09-28 08:06:59 +01:00
Brian Carroll
39fda3e675 Add more information to SymbolStorage 
SymbolStorage is function-specific, whereas WasmLayout is function-independent.

SymbolStorage used to be a single-variant enum with a LocalId and a WasmLayout,
but now we need more variants, so we can handle stack memory allocation..

- For values in stack memory, the storage needs to include an offset within the
  stack frame, but we don't need that for primitive values.

- For function parameters, the allocated stack memory is in the caller's frame
  rather than the current frame, so we don't want size or offset.

We could have kept a WasmLayout inside of SymbolStorage but that would have made
possible a lot of invalid combinations. It seemed better to copy the fields we need.
 2021-09-26 20:52:17 +01:00
Brian Carroll
ecece45a83 Add a helper method local_id_from_symbol 2021-09-26 20:52:17 +01:00
Brian Carroll
286ca680e0 Tidy up load_literal 2021-09-26 20:52:16 +01:00
Brian Carroll
92b1d73bd6 Refactor build_proc into smaller helpers 2021-09-26 20:52:10 +01:00
Brian Carroll
65446ce1e8 Remove unnecessary Option 2021-09-18 14:46:09 +01:00
Brian Carroll
c3b5ac6c82 Allocate stack memory to local variables 2021-09-18 13:39:38 +01:00
Brian Carroll
52a56bfa27 Optimise away a memory copy for returned structs in simple cases 2021-09-17 21:50:00 +01:00
Brian Carroll
4f55b7a56e Allocate and free stack frames 2021-09-17 21:17:05 +01:00
Brian Carroll
036503c750 copy returned structs to caller stack 2021-09-17 19:42:29 +01:00
Brian Carroll
3d18d34135 Insert extra argument when returning on stack 2021-09-15 18:45:20 +02:00
Brian Carroll
866d9f47a0 Move WasmLayout to its own module 2021-09-14 08:31:32 +02:00
Brian Carroll
258513a57c reset join/jump data 2021-09-14 08:18:33 +02:00
Brian Carroll
672aa14f7c Cosmetic: reorganise WasmLayout match statment 2021-09-14 08:00:00 +02:00
Brian Carroll
c47c3ccf58 Clippy fix 2021-09-13 17:30:13 +02:00
Brian Carroll
408c31ebcc Tests for different bitwidth integers 2021-09-13 17:01:06 +02:00
Brian Carroll
b21155f60b Move some constants from backend to lib 2021-09-11 10:20:32 +01:00
Brian Carroll
042b175d89 More comprehensive WasmLayout 2021-09-11 10:20:27 +01:00
Folkert
3750b154ca cleanup 2021-09-10 13:52:33 +02:00
Folkert
7290ef7f98 rename 2021-09-10 13:19:18 +02:00
Folkert
e802da5f54 implement factorial example 2021-09-08 20:05:05 +02:00
Folkert
4e5b677426 basic join point 2021-09-08 15:54:00 +02:00
Folkert
1da32f18e5 implement switch for the gen wasm backend 2021-09-08 00:00:36 +02:00
Folkert
c888baccff rename layout -> return_layout 2021-09-07 20:55:05 +02:00
Folkert
afd7553e7a enable F64 2021-09-07 17:42:31 +02:00
Brian Carroll
b445cea964 Fix generation of params & locals 2021-09-04 21:35:23 +01:00
Brian Carroll
bf7b1cdc63 Don't double-count args as locals 2021-09-04 13:34:04 +01:00
Brian Carroll
13a969a238 Bugfixes: generate valid wasm for gen_add_i64 
Still need to create test_wrapper
 2021-09-03 21:54:57 +01:00
Folkert
08e242967a function must end with an End instruction 2021-09-01 22:36:34 +02:00
Brian Carroll
0770bb242e Reset after each procedure, and reserve space in vecs 2021-09-01 20:12:01 +01:00
Brian Carroll
9ba7076d8e Cleanups after self-review 
- Fix clippy warnings
- Improve a comment
- Delete commented-out lines in Cargo.toml
- Checkin Cargo.lock
 2021-09-01 19:37:15 +01:00
Brian Carroll
3bf94e020c Beat the borrow-checker by following gen_dev structure 2021-09-01 19:26:26 +01:00
Renamed from compiler/gen_wasm/src/function.rs (Browse further)