llvm-project/llvm/test/tools/llvm-mca
Clement Courbet 8171bd8e0f [X86][Sched] Add zero idiom sched data to the SNB model.
Summary:
On SNB, renamer-based zeroing does not work for:
 - 16 and 8-bit GPRs[1].
 - MMX [2].
 - ANDN variants [3]

[1] echo 'sub %ax, %ax' | /tmp/llvm-exegesis -mode=uops -snippets-file=-
[2] echo 'pxor %mm0, %mm0' | /tmp/llvm-exegesis -mode=uops -snippets-file=-
[3] echo 'andnps %xmm0, %xmm0' | /tmp/llvm-exegesis -mode=uops -snippets-file=-

Reviewers: RKSimon, andreadb

Subscribers: gbedwell, craig.topper, llvm-commits

Differential Revision: https://reviews.llvm.org/D52358

llvm-svn: 342736
2018-09-21 14:07:20 +00:00
..
AArch64 [llvm-mca] Add fields "Total uOps" and "uOps Per Cycle" to the report generated by the SummaryView. 2018-08-29 17:56:39 +00:00
ARM [llvm-mca] Add fields "Total uOps" and "uOps Per Cycle" to the report generated by the SummaryView. 2018-08-29 17:56:39 +00:00
X86 [X86][Sched] Add zero idiom sched data to the SNB model. 2018-09-21 14:07:20 +00:00
invalid_input_file_name.test Replace unused output filenames with /dev/null in tests 2018-07-02 18:16:44 +00:00
lit.local.cfg