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Fix PR 88253
authorsaaadhu <saaadhu@138bc75d-0d04-0410-961f-82ee72b054a4>
Mon, 17 Dec 2018 10:50:54 +0000 (10:50 +0000)
committersaaadhu <saaadhu@138bc75d-0d04-0410-961f-82ee72b054a4>
Mon, 17 Dec 2018 10:50:54 +0000 (10:50 +0000)
commit6a1659587a8ce1dec6155202856b613c87602d5e
tree8259daac4937112ea61012e745a20a8d4140b029tree
parent9435b515d6a7ea8d89e3e84ab00f7d3883c0af4acommit | diff
Fix PR 88253

gcc/ChangeLog:

PR rtl-optimization/88253
* combine.c (combine_simplify_rtx): Test for side-effects before
substituting by zero.

gcc/testsuite/ChangeLog:

PR rtl-optimization/88253
* gcc.target/avr/pr88253.c: New test.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@267198 138bc75d-0d04-0410-961f-82ee72b054a4
gcc/ChangeLog diff | blob | blame | history
gcc/combine.c diff | blob | blame | history
gcc/testsuite/ChangeLog diff | blob | blame | history
gcc/testsuite/gcc.target/avr/pr88253.c [new file with mode: 0644] blob
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