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* aarch64 codegen fixes lemon2026-01-082-59/+100
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* codegen: eliminate redudant consecutive ret sequences lemon2026-01-082-0/+3
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* ir: only stub out float <-> u64 cvt on x86 lemon2026-01-081-4/+3
| | | | hackish..
* irsimpl: optimize away cond branches after constant propagation lemon2026-01-071-21/+69
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* io.c: bugfix lemon2026-01-071-1/+2
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* aarch64: vshifts, flt cvt lemon2026-01-072-6/+67
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* basic CSE lemon2026-01-045-0/+120
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* ir bugfixes lemon2026-01-042-4/+14
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* rega: fix spill copy of i32 -> i64 lemon2026-01-043-6/+6
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* aarch64: LDR literal, cmp value lemon2026-01-023-10/+34
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* target sysv abi by default even for unknown abi lemon2026-01-011-2/+2
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* driver: when linking, put libraries at the end of command lemon2026-01-011-1/+1
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* Use a configure script, query system toolchain for default include paths lemon2026-01-017-35/+135
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* aarch64: not, flt load/store lemon2025-12-312-11/+47
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* c: fix diagnostic with "return <undeclared>" lemon2025-12-311-2/+2
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* aarch64 floats lemon2025-12-312-51/+106
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* backend: separate instrs for integer/float store lemon2025-12-3113-49/+79
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* aarch64 isel syms with offset lemon2025-12-313-41/+59
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* c: SYM expr should store decl ref as an index, not pointer lemon2025-12-303-52/+59
| | | | | | | | Because envdecls (now declsbuf) can be resized and invalidate those pointers. I missed this because the default initialization size of that buffer (and the fact that it would mostly only manifest with function-local expressions) made it not really come up in practice. Silly
* aarch64 mul/div lemon2025-12-302-0/+31
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* more aarch64 work lemon2025-12-294-71/+212
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* x86_64: optimize away some redundant zero extensions lemon2025-12-291-1/+9
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* x86_64/isel: aimm should take vlong lemon2025-12-291-1/+1
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* cpp: nicer handling of predefined macros lemon2025-12-291-40/+29
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* backend: start implementing aarch64 lemon2025-12-2811-24/+1245
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* x86_64/emit move things around lemon2025-12-261-12/+11
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* ir/builder: fix bug optiminzg x+x as x-x -> 0 lemon2025-12-261-2/+3
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* avoid GOT relocations in unnecessary instances lemon2025-12-256-16/+19
| | | | | Also change xcon to have a flagset for symbols (whether it's a function, locally defined; later: thread local, etc).
* cleantemps() fixes lemon2025-12-241-0/+6
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* ir: arena-backed linked list for uselists lemon2025-12-244-117/+96
| | | | | Is much simpler than the growable buffers, seems to be just as efficient if not a little faster when benchmarked.
* abi0: get rid of manual instruse reordering lemon2025-12-241-12/+1
| | | | Vestigial, wasn't enough and we're sorting uses in mem2reg now.
* x86_64: fix isel for 7036e19 lemon2025-12-241-1/+1
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* driver: use execvp lemon2025-12-231-7/+6
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* x86_64: fix -fpic lemon2025-12-231-9/+7
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* lower alloca as a separate pass before isel lemon2025-12-239-36/+65
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* ir: use BIT macro for regset (1<< is wrong for u64) lemon2025-12-232-6/+8
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* c: add _Generic lemon2025-12-222-1/+54
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* update todo.txt lemon2025-12-221-3/+11
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* c: recognize __attribute__ as decltok, improve diagnostic for expected ↵ lemon2025-12-221-1/+2
| | | | declaration
* preprocessor make some errors just warnings lemon2025-12-221-4/+6
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* simpl: handle multiplication by negative po2 too lemon2025-12-221-5/+9
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* arena: make sure to zero initialize some stuff lemon2025-12-221-0/+2
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* c/c.c: cleanup exprparse a little lemon2025-12-221-13/+12
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* c: Fix some dumb uses of initialized stuff lemon2025-12-222-10/+12
| | | | | | Can't figure out what's wrong with the change to struct expr from 9721d6ba40 but it makes valgrind complain and causes miscompilation of the compiler itself..
* simpl: optimize unsigned & signed division by power of 2 lemon2025-12-213-19/+66
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* ir: simpl: optimize some constant multiplications lemon2025-12-212-18/+61
| | | | Reuse irbinop() and irunop() for the constant results cases.
* c: keyword aliases lemon2025-12-214-67/+82
| | | | | Some linux headers use __signed__ for whatever reason.. this is a general fix for those alternate keyword
* c: allow `return voidfn()` extension lemon2025-12-211-4/+30
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* lexer: more small optimizations lemon2025-12-211-14/+33
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* rega: fix 3ff0bfcb lemon2025-12-211-4/+1
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