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Rename 'mftbl' to 'mftb' (#1069) 

* Rename 'mftbl' to 'mftb'

* Add my name to the contributor list
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Steven Wan 2020-11-03 04:08:46 -05:00 committed by GitHub
parent a9704c268d
commit d9abf01763
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2 changed files with 2 additions and 1 deletions
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1
CONTRIBUTORS
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@ -74,6 +74,7 @@ Robert Guo <robert.guo@mongodb.com>
Roman Lebedev <lebedev.ri@gmail.com> Roman Lebedev <lebedev.ri@gmail.com>
Sayan Bhattacharjee <aero.sayan@gmail.com> Sayan Bhattacharjee <aero.sayan@gmail.com>
Shuo Chen <chenshuo@chenshuo.com> Shuo Chen <chenshuo@chenshuo.com>
Steven Wan <wan.yu@ibm.com>
Tobias Ulvgård <tobias.ulvgard@dirac.se> Tobias Ulvgård <tobias.ulvgard@dirac.se>
Tom Madams <tom.ej.madams@gmail.com> <tmadams@google.com> Tom Madams <tom.ej.madams@gmail.com> <tmadams@google.com>
Yixuan Qiu <yixuanq@gmail.com> Yixuan Qiu <yixuanq@gmail.com>

2
src/cycleclock.h
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@ -92,7 +92,7 @@ inline BENCHMARK_ALWAYS_INLINE int64_t Now() {
uint32_t tbl, tbu0, tbu1; uint32_t tbl, tbu0, tbu1;
asm volatile( asm volatile(
"mftbu %0\n" "mftbu %0\n"
"mftbl %1\n" "mftb %1\n"
"mftbu %2" "mftbu %2"
: "=r"(tbu0), "=r"(tbl), "=r"(tbu1)); : "=r"(tbu0), "=r"(tbl), "=r"(tbu1));
tbl &= -static_cast<int32_t>(tbu0 == tbu1); tbl &= -static_cast<int32_t>(tbu0 == tbu1);