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* Slides for 2026 REBASEreadmeCliff Click11 days40-0/+8039
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* Skills updateCliff Click12 days1-12/+14
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* Chapter renumber, and split ch 17Cliff Click12 days1-4/+89
| | | | | | Renumber chapters 10a, 10b, 11, 12, 13, 14 -> 10, 11, 13, 12, [11,14]. Split ch 17 into a 17a and 17b; shuffle around im/mutable syntax to be consistent, and present it more slowly. THe new immutable syntax is pushed through all later chapters
* Graph updates; readme updatesCliff Click12 days1-0/+8
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* First pass README updatesCliff Click13 days1-0/+5
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* Fix some older testsCliff Click13 days1-17/+21
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* Fix bug loop tree depth on inf loopsCliff Click13 days1-9/+39
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* Restore missing anti-dependence walkCliff Click14 days1-12/+19
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* Move much of the ISA support to shared codeCliff Click14 days1-0/+35
| | | | The ISA shared handlers here are required for a proper compiler, but contain only trivial bit-massaging operations.
* Move debug printing into shared spaceCliff Click14 days1-17/+58
| | | | Same as the graph viewer, moves a lot of code out of all Nodes
* Finish forward-port mem ops thru ch25Cliff Click2026-09-301-13/+73
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* Forward port mem stuff to ch21Cliff Click2026-09-301-14/+173
| | | | Also a minor reg-alloc improvement for BrainFuck, ported up to ch25
* ch 20 forward port memoryCliff Click2026-09-301-7/+41
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* Forward port mem changes to ch 19Cliff Click2026-09-301-8/+43
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* Forward port lazy mem eval to ch18Cliff Click2026-09-291-7/+48
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* Forward port mem to ch16Cliff Click2026-09-291-9/+38
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* Bring forward the lazy mem aliasCliff Click2026-09-291-8/+99
| | | | Integrate with ch15 NewNode creating aliases
* forward port lazy memory to ch11Cliff Click2026-09-291-5/+34
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* Squashed commit of the following:Cliff Click2026-09-291-3/+24
| | | | | | | | | | | | | | | | | | | | | | commit 3ba6686fc991998a0a420709dfb0012bbddf77ab Author: Cliff Click <cliffc@acm.org> Date: Tue Sep 29 12:21:46 2026 -0700 Backport lazy memory splits to ch10, split into ch10a and b commit fa7d56f72455828826d0ab7e1c142ca814e6e2aa Author: Cliff Click <cliffc@acm.org> Date: Tue Sep 29 10:10:53 2026 -0700 Reverse edges commit e1bba17ff54400a34ede0eaacad863420d021119 Author: Cliff Click <cliffc@acm.org> Date: Tue Sep 29 09:44:41 2026 -0700 Split ch10 Basic memory introduction in 10a, then precise aliases in 10b.
* Extend smaller-width C results to full widthCliff Click2026-09-281-9/+10
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* Backport FunPtrCliff Click2026-09-281-16/+4
| | | | | Helps keep functions alive via ptr only (no calls). A few RISC 5 TFP encoding fixes.
* Support extern C ver direct updatesCliff Click2026-09-281-17/+47
| | | | FIx minor RISC encodings.
* Check un-init not-null constructor fieldsCliff Click2026-09-281-11/+34
| | | | | | | | Propagate BOT inputs; Arith, Load. CallEnd inlining, the FUnPtr dies early. Load asserts when loading against uninit not-null field. Keep not-nill state for storage class. Clean up Node.peep as constant.
* minor fixesCliff Click2026-09-271-6/+1
| | | | | Fix CI build Backport ch 23 fix to ch 22.
* Remove -disablePeepholeCliff Click2026-09-271-16/+3
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* bug fix widenCliff Click2026-09-261-5/+2
| | | | Failed lattice law tests mixing constants and have wide type ints; or mixing wide ints and constant arrays.
* Extend and backport SubNode peephole (#254)Hsiang-Ying Fu2026-09-251-0/+1
| | | | | | | | | | | | | | | * Extend and backport SubNode peephole * Add tests * Restrict subtraction zero peepholes to integer operands Require resolved integer mode in chapter 25 so zero subtraction preserves floating-point signed zero. Keep nonnumeric operands in the graph for subtraction diagnostics. Add signed-zero coverage from chapter 12 and null-subtraction diagnostics from chapter 22. Confirmed the regressions fail on the original PR. Full Make suites pass in chapters 4-25 (5462 tests), including fresh chapter 25 sys.o compilation. --------- Co-authored-by: Cliff Click <cliffc@acm.org>
* Keyboard shortcutsCliff Click2026-09-231-0/+1
| | | | | Fast forward/reverse, pick-a-frame. Shorter type names.
* int fallbacks for int opsCliff Click2026-09-221-0/+1
| | | | all chapters, a little sharper for int ops
* Final reg-alloc across chapters cleanupCliff Click2026-09-201-945/+179
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* Split self-conflict phis once at a loop headCliff Click2026-09-201-3/+56
| | | | if this works, saves a copy-per-loop. If it fails, next round split as normal
* Popular use grouping for RegAllocCliff Click2026-09-201-4/+87
| | | | Fix arm BL encodings; ADD/SUB with reversed sign.
* Forward-port allocator bug fixes and test support through ch25Cliff Click2026-09-201-7/+207
| | | | Improved spilling
* Add back copy coaleascing in ch21Cliff Click2026-09-201-6/+81
| | | | Minor arm encoding fix.
* Ch 20 Reg AllocCliff Click2026-09-201-1/+137
| | | | | | | Includes all bug fixes from later chapters, so its at least correct. Skips a lot of improvement heuristics, these get added in later chapters. Includes spill-stats, to more easily track improvements. Includes targeted tests.
* Backport TypeFunPtr normalizationCliff Click2026-09-201-1/+22
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* Unify GCM across chaptersCliff Click2026-09-201-2/+70
| | | | | | Remove the _anti field. Remove the isPinned() call. Add a copyEmpty call.
* Unify mixed-return checking and resultsCliff Click2026-09-191-13/+65
| | | | Unify dominator caching.
* Fix ch21 MulIX86 encodingCliff Click2026-09-191-1/+22
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* Use isDead() instead of checking null inputsCliff Click2026-09-191-0/+19
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* Fixed st8 on arm/risc evalsCliff Click2026-09-191-1/+32
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* debug printers no longer call self-optimizing accessorsCliff Click2026-09-191-1/+87
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* AI skills updateCliff Click2026-09-191-264/+88
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* Handle double-negation preserving not-null knowledgeCliff Click2026-09-191-0/+187
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* Backport string escapes and many op-assignCliff Click2026-09-171-3/+0
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* Parser fix OR tempsCliff Click2026-09-171-2/+0
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* Backport x86 Not encodingCliff Click2026-09-171-1/+0
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* x86 mul reg reg encoding fixCliff Click2026-09-171-9/+4
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* Back point cmpmem encodingCliff Click2026-09-171-9/+7
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* Get makefiles and fuzzer testing uniform across chaptersCliff Click2026-09-171-0/+176
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