[PATCH] D74156: [llvm-exegesis] Exploring X86::OperandType::OPERAND_COND_CODE
Guillaume Chatelet via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Tue Feb 11 06:55:46 PST 2020
gchatelet added inline comments.
================
Comment at: llvm/tools/llvm-exegesis/lib/SnippetGenerator.h:119
+// variable), and if it wrapped to the beginning then increment next digit.
+template <typename choice_type, typename choices_storage_type,
+ int variable_smallsize>
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This is the idea but it should generate the values //on the go// because the space to explore might be too big to enumerate all the possibilities.
Sorry if it's a bit hand-wavy for now, I haven't sorted out the details but we should be able to use space filling curves to that end ([article](https://www-users.cs.umn.edu/~mokbel/papers/SFCMove.pdf)).
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https://reviews.llvm.org/D74156/new/
https://reviews.llvm.org/D74156
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