Rework cpuid asm example. #1542
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@Alex34567 thank you |
GuillaumeGomez
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May 25, 2022
Update books ## reference 6 commits in 8e36971959ff238b5aa2575fbc7a2e09e1313e82..b74825d8f88b685e239ade00f00de68ba4cd63d4 2022-05-09 17:20:59 -0700 to 2022-05-20 14:30:30 -0700 - Inline assembly: Clarify references to quoted regs (rust-lang/reference#1191) - Add tile registers to inline-assembly documentation (rust-lang/reference#1220) - Upper bound on hashes in raw string literals (rust-lang/reference#1180) - Remove footnote on warning about lifetime shadowing labels. - Makes explanation for Spans in "Procedural Macros" clearer (rust-lang/reference#1219) - Update "Match Expressions" to remove 'cold' (rust-lang/reference#1216) ## book 18 commits in d9415b7cbfcb4b24062683f429bd0ff535396362..b4dd5f00b87190ad5ef42cbc2a88a783c6ae57ef 2022-05-09 09:10:44 -0400 to 2022-05-24 21:37:06 -0400 - Snapshot of appendices for nostarch - Update rust-analyzer URLs and make links less repetitive - Correct byte string literal type. Fixes rust-lang/book#2631. - Fix verb agreement. Fixes rust-lang/book#3176 - Propagate ch19 edits to src - Edits to chapter 19 from nostarch - Propagate ch18 edits to src - Edits to ch18 from nostarch - Propagate tech review edits to src ch5 - Responses to chapter 5 tech review - Ch5 after tech review - Merge branch 'ch7-edits' - fix: mdBook authors - Propagating ch17 edits to src - Edits from nostarch for ch17 - Fix rust-lang/book#3152 - Wrong character used - & is not valid inside image alt text - Merge branch 'ch20' ## rust-by-example 2 commits in e9f93cfcf410bc092c9107b8a41a82f144c761f2..2ed26865e8c29ef939dc913a97bd321cadd72a9a 2022-05-08 18:24:06 -0300 to 2022-05-18 17:23:47 -0300 - Rework cpuid asm example. (rust-lang/rust-by-example#1542) - chore: better description for eprint macro (rust-lang/rust-by-example#1541) ## rustc-dev-guide 11 commits in 0c02acd..554c00e 2022-05-10 09:45:31 -0300 to 2022-05-24 17:15:35 -0700 - Cleanup rustdoc-internals - Fix some wording on the "Incremental Compilation In Detail" page - Exclude `tomlee.co` from link-checking (rust-lang/rustc-dev-guide#1356) - Add note about patching dependencies and warnings. (rust-lang/rustc-dev-guide#1354) - make sentence more simple (rust-lang/rustc-dev-guide#1353) - Update some links and docs (rust-lang/rustc-dev-guide#1340) - Replace a broken YouTube link (rust-lang/rustc-dev-guide#1295) - Edit the "Compiler Source Code" chapter (rust-lang/rustc-dev-guide#1307) - Add docs for logging of queries. (rust-lang/rustc-dev-guide#1350) - Fix configuration names for vscode/r-a (rust-lang/rustc-dev-guide#1352) - Update docs for deprecated attribute (rust-lang/rustc-dev-guide#1338)
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The current cpuid example can write to an invalid register based on register allocation.
Also, the comments and surrounding documentation imply a previous version of the code that did not use an array.
The example was reworked to use rdi to store the array's pointer.
The documentation was updated to reflect the array version of the cpuid code.
The paragraph explaining using reserved registers was split and information saying that general register classes do not work well with reserved registers was added.
Fixes #1540