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The three comment lines above `AddNode.phiCon(this, ...)` in BoolNode were
copy-pasted from MulNode and never adapted: they use `*` as the operator and
describe the rotated shape `(x * (phi cons)) * con`.
For BoolNode neither is right. The operator is a compare, and in chapters
6-9 `rotate` is hard-coded `false`, so the rotated shape is never matched;
the shapes actually handled are `(phi cons) cmp con` and
`(phi cons) cmp (phi cons)`.
Reword the comment accordingly, and in chapters 6-9 add a line noting why
rotate is off. Chapters 10-25 pass `this instanceof EQ`, so no such claim is
made there.
Comment-only change; no code is touched.
Co-authored-by: Claude Opus 5 <noreply@anthropic.com>
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* remove unused method lazyFRef
* remove unused method copyF(Node, Node)
* make TypeMemPtr constants final
* make ConstantNode value final
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Move x-x==0 to compute.
Add x/1 ==> x
All chapters
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Stop CSE of stores.
Backports to ch11,12,13,14
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Split Ch13 tests from Chapter12Test.java
Handle forward refs never defined.
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* Backport test exception handling to chapter 1
* Add unary ! to chapter 10 and 11 grammars
* Lex { } ! as punctuation
* Forward-port format whitespace
* Forward-port test organization
* Forward-port replace build-graphs.sh with Makefile
* Add chapter title to chapter 11
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* #80 #85 apply bug fixes from chapter10
* #85 #80 more detail regarding anti-dependency
* Remove Util.eq
Was enforced interning of strings, not needed here.
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Co-authored-by: Cliff Click <cliffc@acm.org>
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