PR rtl-optimization/54300
commitff5a75fc05f8dc9b999dc378f3da0b6f686fde52
authorrearnsha <rearnsha@138bc75d-0d04-0410-961f-82ee72b054a4>
Wed, 20 Nov 2013 13:55:04 +0000 (20 13:55 +0000)
committerrearnsha <rearnsha@138bc75d-0d04-0410-961f-82ee72b054a4>
Wed, 20 Nov 2013 13:55:04 +0000 (20 13:55 +0000)
tree5f5a0d090f1d60fe5038e9ff9ccdc5083ce8b87f
parente43059ff7162ad6dfc79ccbba74de4428d03131f
PR rtl-optimization/54300

gcc/

PR rtl-optimization/54300
* regcprop.c (copyprop_hardreg_forward_1): Ensure any unused
outputs in a single-set are killed from the value chains.

gcc/testsuite:

PR rtl-optimization/54300
* gcc.target/arm/pr54300.C: New test.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@205117 138bc75d-0d04-0410-961f-82ee72b054a4
gcc/ChangeLog
gcc/regcprop.c
gcc/testsuite/ChangeLog
gcc/testsuite/gcc.target/arm/pr54300.C [new file with mode: 0644]