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8257815: Replace global log2 functions with efficient implementations

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Reviewed-by: kbarrett, stefank
This commit is contained in:
Claes Redestad 2021-01-04 21:01:25 +00:00
parent f80c63b380
commit 9d160aa1b7
41 changed files with 183 additions and 209 deletions
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2
src/hotspot/share/compiler/compilationPolicy.cpp
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@ -251,7 +251,7 @@ void SimpleCompPolicy::initialize() {
// Example: if CICompilerCountPerCPU is true, then we get
// max(log2(8)-1,1) = 2 compiler threads on an 8-way machine.
// May help big-app startup time.
_compiler_count = MAX2(log2_int(os::active_processor_count())-1,1);
_compiler_count = MAX2(log2i_graceful(os::active_processor_count()) - 1, 1);
// Make sure there is enough space in the code cache to hold all the compiler buffers
size_t buffer_size = 1;
#ifdef COMPILER1