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PR tree-optimization/59747
authorlaw <law@138bc75d-0d04-0410-961f-82ee72b054a4>
Wed, 15 Jan 2014 18:13:52 +0000 (18:13 +0000)
committerlaw <law@138bc75d-0d04-0410-961f-82ee72b054a4>
Wed, 15 Jan 2014 18:13:52 +0000 (18:13 +0000)
commit92802c6fb22841547067e577a9820d25ccfefd15
treee0f2de4b26fbea16dedfb92ad4e491726101c7f8tree | snapshot
parentb69fc80ac37d8117944c7c56786c47fb6f5b2f5bcommit | diff
PR tree-optimization/59747
* ree.c (find_and_remove_re): Properly handle case where a second
eliminated extension requires widening a copy created for elimination
of a prior extension.
(combine_set_extension): Ensure that the number of hard regs needed
for a destination register does not change when we widen it.

PR tree-optimization/59747
* gcc.c-torture/execute/pr59747.c: New test.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@206638 138bc75d-0d04-0410-961f-82ee72b054a4
gcc/ChangeLog diff | blob | history
gcc/ree.c diff | blob | history
gcc/testsuite/ChangeLog diff | blob | history
gcc/testsuite/gcc.c-torture/execute/pr59747.c [new file with mode: 0644] blob
Domain: System / Toolchain;