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modulo-sched: prevent division by zero (PR87979)
authorzhroma <zhroma@138bc75d-0d04-0410-961f-82ee72b054a4>
Tue, 23 Apr 2019 13:14:57 +0000 (13:14 +0000)
committerzhroma <zhroma@138bc75d-0d04-0410-961f-82ee72b054a4>
Tue, 23 Apr 2019 13:14:57 +0000 (13:14 +0000)
commitc3c55e1c1a817c612d01011dee549867c65edfc8
treef8000fbfdb7a7367fcbde29235c0f55ad62aab5btree | snapshot
parentfba98a9aa8b4efde1fee389334d98ae380ab387bcommit | diff
modulo-sched: prevent division by zero (PR87979)

PR rtl-optimization/87979
* modulo-sched.c (sms_schedule): Start ii value "mii" should
not equal zero.

testsuite:

PR rtl-optimization/87979
* gcc.dg/pr87979.c: New test.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@270512 138bc75d-0d04-0410-961f-82ee72b054a4
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gcc/modulo-sched.c diff | blob | blame | history
gcc/testsuite/ChangeLog diff | blob | blame | history
gcc/testsuite/gcc.dg/pr87979.c [new file with mode: 0644] blob
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