perf/x86: Micro-optimize nhmex_rbox_get_constraint()

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Flipping the LSB doesn't require four lines of code. This shaves a few
bytes of the generated code, including a branch.

Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Cc: Arnaldo Carvalho de Melo <acme@kernel.org>
Signed-off-by: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/1403183731-15402-1-git-send-email-linux@rasmusvillemoes.dk
Signed-off-by: Ingo Molnar <mingo@kernel.org>

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Rasmus Villemoes 2014-06-19 15:15:31 +02:00 • committed by Ingo Molnar

parent 985c8dcbe1

commit 2172c1f5aa

1 changed files with 1 additions and 4 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

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arch/x86/kernel/cpu/perf_event_intel_uncore.c

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