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(parent: d727604) | patch
checkasm: add memory clobber to read_time inline asm
authorJanne Grunau <janne-x264@jannau.net>
Wed, 2 Apr 2014 14:31:28 +0000 (16:31 +0200)
committerFiona Glaser <fiona@x264.com>
Tue, 26 Aug 2014 16:19:19 +0000 (09:19 -0700)
commitc2df1fc65c98e213c444134d5dbbb79d439af4db
tree363b1655c2a1a240fb7a656f8bca0780391f2a68tree | snapshot
parentd72760401cb0602b8bf86037988e66cdc810681ccommit | diff
checkasm: add memory clobber to read_time inline asm

The memory acts as compiler barrier preventing aggressive reordering
of read_time calls. gcc 4.8 reorders some of initial read_time calls
after the second when targeting arm.
tools/checkasm.c diff | blob | history
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