PR rtl-optimization/54300
commit1f17a730abe74108d9f4f227fc7c5940f37425f6
authorrearnsha <rearnsha@138bc75d-0d04-0410-961f-82ee72b054a4>
Thu, 9 Jan 2014 15:18:55 +0000 (9 15:18 +0000)
committerrearnsha <rearnsha@138bc75d-0d04-0410-961f-82ee72b054a4>
Thu, 9 Jan 2014 15:18:55 +0000 (9 15:18 +0000)
treeaa83d172eb648abdf27828504f5cc23f097f3dab
parent9374a52d0f02a9547cd8cd96796c8453cab70c51
PR rtl-optimization/54300

gcc:
* regcprop.c (copyprop_hardreg_forward_1): Ensure any unused
outputs in a single-set are killed from the value chains.

gcc/testsuite:
* gcc.target/arm/pr54300.C: New test.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_8-branch@206466 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]