[PATCH] D49243: [X86] Improved sched models for X86 BT*rr instructions
Andrew V. Tischenko via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Tue Jul 17 02:46:32 PDT 2018
avt77 added a comment.
> http://www.agner.org/optimize/instruction_tables.pdf, page 202, "Intel Haswell", "List of instruction timings and μop breakdown" appears to list all the BT* as having latency of 1.
I mixed columns for latency and throughput: latency is missed.
https://reviews.llvm.org/D49243
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