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* elf: use a hashmap for looking up symbolslemon2025-12-142-32/+52
| | | | | Gets rid of linear-time findsym(), though needs some extra indirection to emit sorted symbols.
* kill fredlemon2025-12-132-2/+1
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* add c-testsuitelemon2025-12-13912-0/+9205
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* c: handle more static eval edgecases for int -> ptrlemon2025-12-133-5/+29
| | | | | sqlite3 was falling back to `((void*)&((char*)0)[X])` for INT_TO_PTR, which this handles now.
* c: case/default labels only create new blocks when necessarylemon2025-12-131-7/+11
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* regalloc: fixbug with phi move of stack <- stacklemon2025-12-132-6/+5
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* Add -O optimization flaglemon2025-12-134-2/+15
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* fix position independent loads of function symbols.lemon2025-12-139-26/+48
| | | | | | | | For `extern int x[1];`, can use PCREL32 for &x. But for `extern int x(int)`, must use GOTREL, when not being called directly (that's PLT). Therefore the type of an external symbol (actually just whether it denotes a function) matters when deciding what kind of relocation to emit, so keep that information.
* test/14lemon2025-12-131-0/+12
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* x86-64/emit erratalemon2025-12-121-7/+4
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* x86_64: fix erroneous encoding of index reg in no-pie situationslemon2025-12-121-11/+1
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* s/amd64/x86_64/lemon2025-12-1210-20/+20
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* emit: turn ADD -imm into SUB immlemon2025-12-121-1/+5
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* isel: fix bug where sub turned into add, but inplace didn't reflectlemon2025-12-121-2/+2
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* c: switch stmt diagnosticslemon2025-12-121-8/+49
| | | | For duplicate cases, case value overflow
* amd64/emit: change instr desc table a littlelemon2025-12-121-157/+158
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* lex: use pmap for macro lookuplemon2025-12-124-134/+100
| | | | To reduce hashmap code repetition. Also add pmap_del for this purpose
* rename arraylength macro -> countoflemon2025-12-1115-106/+106
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* default to C11lemon2025-12-111-1/+1
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* c: accept C99 `[static N]` style array decls, changes to fn qualslemon2025-12-115-61/+56
| | | | | | Function parameters qualifiers don't matter outside of function definition. `int (const int)` should be compatible with `int(int)` etc. So no need to store them in the typedata.
* _Alignof and stufflemon2025-12-115-13/+53
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* c: use a look-up table for isdecltok()lemon2025-12-111-14/+18
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* -trigraphs optionlemon2025-12-112-3/+5
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* c: optimize environment decl lookuplemon2025-12-111-6/+26
| | | | | Use a hashmap for the toplevel, optimizing for the common use case where the file-scope has many more declarations than local scopes do
* c: disallow mismatched nested extern decl, & more diagnosticslemon2025-12-111-17/+24
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* c: support for noreturn, and decl parsing cleanuplemon2025-12-115-110/+119
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* driver: add -Werrorlemon2025-12-113-1/+6
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* fatal() make noreturnlemon2025-12-111-2/+8
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* make fatal() _Noreturnlemon2025-12-112-2/+2
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* lex/expr(): cleanuplemon2025-12-111-29/+29
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* c: expr2reloc() change sig to return addendlemon2025-12-111-15/+12
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* ir: bump MAXINSTRlemon2025-12-101-1/+1
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* embedfilesdir: don't need that much paddinglemon2025-12-101-1/+1
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* lexer: properly add padding for cpppredefslemon2025-12-101-2/+2
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* c: fix static relocation for &sym[offset]lemon2025-12-101-7/+6
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* parallel move; implement reg<->stack swplemon2025-12-102-5/+21
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* update lua/.gitignorelemon2025-12-101-0/+2
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* regalloc: optimize a little edge case betterlemon2025-12-101-4/+6
| | | | | | | | | | | | With two-address instructions one needs to make sure the dst doesn't get allocated to the same reg as the right-hand operand: %r = mul %x, %y ; %y cannot be %r Except, if the operands are the same %r = mul %x, %x ; if %x is dead after this instr, it's fine to allocate %r to the same reg
* c: fix compound assignment type conversions when types don't matchlemon2025-12-103-2/+3
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* misc fixeslemon2025-12-103-5/+4
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* elf: initialize str hashtable to a nicer sizelemon2025-12-091-0/+1
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* mem: fix pmap_init and change hashmap load factors to 75%lemon2025-12-092-5/+4
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* lex: make some hashtables resizablelemon2025-12-092-36/+73
| | | | Was hiting the fixed limits trying to preprocess sqlite3amalgamation
* rega: change assert for spilled callee. it's ok if nspill==1lemon2025-12-091-1/+1
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* c: fix some static initialzierslemon2025-12-081-1/+3
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* eval: &*x address constantslemon2025-12-081-0/+4
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* c: fix more declaration parsing bugslemon2025-12-081-7/+17
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* driver: update helplemon2025-12-081-14/+32
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* driver: use fexecve for -runlemon2025-12-081-17/+18
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* Add lua 5.4.0 test suitelemon2025-12-07121-2/+59828
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