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* Use consistent implementation for Node::peephole() (#255)Hsiang-Ying Fu2026-09-271-3/+3
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* Remove -disablePeepholeCliff Click2026-09-27179-1825/+248
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* bug fix widenCliff Click2026-09-2624-181/+210
| | | | 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 Fu2026-09-2564-64/+1108
| | | | | | | | | | | | | | | * 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>
* Skills updatesCliff Click2026-09-252-0/+160
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* Merge branch 'main' of https://github.com/SeaOfNodes/SimpleCliff Click2026-09-256-6/+6
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| * Update test result for sysV (#253)Hsiang-Ying Fu2026-09-256-6/+6
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| * Fix ch25 pom.xml (#252)Hsiang-Ying Fu2026-09-251-2/+2
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* | Bunch more animation workCliff Click2026-09-2570-120/+951
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* edge zoomingCliff Click2026-09-245-20/+155
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* Bunch better layout optionsCliff Click2026-09-2416-88/+309
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* Keyboard shortcutsCliff Click2026-09-2369-142/+876
| | | | | Fast forward/reverse, pick-a-frame. Shorter type names.
* int fallbacks for int opsCliff Click2026-09-2280-128/+245
| | | | all chapters, a little sharper for int ops
* Graph cleanupCliff Click2026-09-2247-42/+135
| | | | Phis stay with regions, stop sinks to bottom,
* Tidy up scope displayCliff Click2026-09-2232-75/+274
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* Add shared graph viewer to all chaptersCliff Click2026-09-22715-14968/+3639
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* Graph viewer on ch4 and25Cliff Click2026-09-2219-404/+540
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* Switch over to the new ELK driverCliff Click2026-09-2114-120/+361
| | | | Interact between compiler & browser now hooks several nbew places.
* Switch over to the ELK rendererCliff Click2026-09-2114-400/+7177
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* Change protocol between compiler and browserCliff Click2026-09-215-33/+179
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* Define a new graph interaction APICliff Click2026-09-2110-10/+345
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* move the graph visualizer into shared codeCliff Click2026-09-2160-16155/+1270
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* Final reg-alloc across chapters cleanupCliff Click2026-09-20131-1127/+2135
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* Split self-conflict phis once at a loop headCliff Click2026-09-2033-183/+942
| | | | if this works, saves a copy-per-loop. If it fails, next round split as normal
* Popular use grouping for RegAllocCliff Click2026-09-2051-345/+1536
| | | | Fix arm BL encodings; ADD/SUB with reversed sign.
* Forward-port allocator bug fixes and test support through ch25Cliff Click2026-09-2065-425/+2070
| | | | Improved spilling
* Add back copy coaleascing in ch21Cliff Click2026-09-2035-1069/+1888
| | | | Minor arm encoding fix.
* Missed fileCliff Click2026-09-201-71/+106
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* Ch 20 Reg AllocCliff Click2026-09-2013-106/+537
| | | | | | | 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 Click2026-09-205-3/+72
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* Unify GCM across chaptersCliff Click2026-09-20113-1182/+1627
| | | | | | Remove the _anti field. Remove the isPinned() call. Add a copyEmpty call.
* Unify mixed-return checking and resultsCliff Click2026-09-19189-570/+1381
| | | | Unify dominator caching.
* Fix ch21 MulIX86 encodingCliff Click2026-09-192-6/+53
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* Use isDead() instead of checking null inputsCliff Click2026-09-1921-34/+57
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* Fixed st8 on arm/risc evalsCliff Click2026-09-1916-11/+182
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* debug printers no longer call self-optimizing accessorsCliff Click2026-09-19141-144/+2272
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* Handle r/w <clinit> sectionsCliff Click2026-09-198-32/+159
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* AI skills updateCliff Click2026-09-192-267/+169
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* Tighter recursive-struct testCliff Click2026-09-195-2/+65
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* Handle double-negation preserving not-null knowledgeCliff Click2026-09-1940-25/+1185
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* Backport string escapes and many op-assignCliff Click2026-09-1725-73/+1300
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* Parser fix OR tempsCliff Click2026-09-175-4/+86
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* Backport x86 Not encodingCliff Click2026-09-179-41/+225
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* x86 mul reg reg encoding fixCliff Click2026-09-1715-117/+249
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* Back point cmpmem encodingCliff Click2026-09-1710-14/+144
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* Get makefiles and fuzzer testing uniform across chaptersCliff Click2026-09-1765-197/+1042
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* Fix phi wideningCliff Click2026-09-172-6/+4
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* up timeoutsCliff Click2026-09-166-5/+8
| | | | add deps on dominance crawls
* Update FuzzerWrap.javaCliff Click2026-09-141-1/+1
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* Handle dying escapenodeCliff Click2026-09-142-1/+19
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