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MFC r260361:
authorpfg <pfg@ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f>
Sat, 11 Jan 2014 01:50:45 +0000 (01:50 +0000)
committerpfg <pfg@ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f>
Sat, 11 Jan 2014 01:50:45 +0000 (01:50 +0000)
commitb98e943b0f265ab48630b3cff60997bdccd3890c
tree291750f43866b082a71b49003654925719464207tree | snapshot
parent6bbd4b436cdc7ed6381cd301327981e1929c3beccommit | diff
MFC r260361:

gcc: Fix optimization bug.

GCC-PR rtl-optimization/34628
* combine.c (try_combine): Stop and undo after the first combination
if an autoincrement side-effect on the first insn has effectively
been lost.

git-svn-id: svn://svn.freebsd.org/base/stable/8@260530 ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f
contrib/gcc/combine.c diff | blob | history
8-STABLE