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Commit a25b3198 authored by Maciej Żenczykowski's avatar Maciej Żenczykowski Committed by Automerger Merge Worker
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Merge "libtimeinstate: fix potential optimized variable" into main am: abc21dc6 

Original change: https://android-review.googlesource.com/c/platform/frameworks/native/+/3195176



Change-Id: Ifbc43a34c9e393fbb9d0d67be77e32b4b644963f
Signed-off-by: default avatarAutomerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
parents 284b93e2 abc21dc6

libs/cputimeinstate/testtimeinstate.cpp

+3 −3
Original line number Diff line number Diff line
@@ -41,7 +41,7 @@ static constexpr uint64_t NSEC_PER_SEC = 1000000000; 
static constexpr uint64_t NSEC_PER_YEAR = NSEC_PER_SEC * 60 * 60 * 24 * 365;



// Declare busy loop variable globally to prevent removal during optimization

static long sum __attribute__((used)) = 0;

static volatile long sum __attribute__((used)) = 1;



using std::vector;
@@ -579,8 +579,8 @@ uint64_t timeNanos() { 


// Keeps CPU busy with some number crunching

void useCpu() {

    sum = 0;

    for (int i = 0; i < 100000; i++) {

    sum = 1;

    for (int i = 1; i < 100000; i++) {

        sum *= i;

    }

}