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authorSiddhesh Poyarekar <siddhesh@redhat.com>2013-05-17 19:10:33 +0530
committerSiddhesh Poyarekar <siddhesh@redhat.com>2013-05-17 19:10:33 +0530
commit48a18de1e1e7dfeab6d034765caaf732b53cfcb7 (patch)
tree1710f87c334a2d5cc79c30f9262212697eb814ef /scripts/check-execstack.awk
parent13d3b41a36c4f28d171a144f8a9baad3a8835981 (diff)
downloadglibc-48a18de1e1e7dfeab6d034765caaf732b53cfcb7.tar.gz
Prevent optimizing out of benchmark function call
Resolves: #15424 The compiler would optimize the benchmark function call out of the loop and call it only once, resulting in blazingly fast times for some benchmarks (notably atan, sin and cos). Mark the inputs as volatile so that the code is forced to read again from the input for each iteration.
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