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authorHal Finkel <hfinkel@anl.gov>2012-06-10 11:15:36 +0000
committerHal Finkel <hfinkel@anl.gov>2012-06-10 11:15:36 +0000
commit01a90f4f8fc7187883377f69e2725ab5e23cc393 (patch)
treee3de29f47ebdbad33498bcfc6ec28783c8358e78 /test/Bitcode/ptest-new.ll
parentcfd3ed9eaf8c6c62a7472706f2de25e305d1016e (diff)
Use critical anti-dep. breaking on all PPC targets, but also add other register classes.
Using 'all' instead of 'critical' would be better because it would make it easier to satisfy the bundling constraints, but, as noted in the FIXME, that is currently not possible with the crs. This yields an average 1% speedup over the entire test suite (on Power 7). Largest speedups: SingleSource/Benchmarks/Shootout-C++/moments - 40% MultiSource/Benchmarks/McCat/03-testtrie/testtrie - 28% SingleSource/Benchmarks/BenchmarkGame/nsieve-bits - 26% SingleSource/Benchmarks/McGill/misr - 23% MultiSource/Applications/JM/ldecod/ldecod - 22% Largest slowdowns: SingleSource/Benchmarks/Shootout-C++/matrix - -29% SingleSource/Benchmarks/Shootout-C++/ary3 - -22% MultiSource/Benchmarks/BitBench/uuencode/uuencode - -18% SingleSource/Benchmarks/Shootout-C++/ary - -17% MultiSource/Benchmarks/MiBench/automotive-bitcount/automotive-bitcount - -15% git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158294 91177308-0d34-0410-b5e6-96231b3b80d8
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