Don't save function_used_regs if it contains all call_used_regs
commitcda974e62c1c343aa221d752553e1a2cf057c83d
authorvries <vries@138bc75d-0d04-0410-961f-82ee72b054a4>
Fri, 20 Jun 2014 08:01:52 +0000 (20 08:01 +0000)
committervries <vries@138bc75d-0d04-0410-961f-82ee72b054a4>
Fri, 20 Jun 2014 08:01:52 +0000 (20 08:01 +0000)
treeab49df80b9e730bae5afc85dbfaed38b34cc8701
parenta9909cdd1e592aa802bd2226ceb13ecb495353fb
Don't save function_used_regs if it contains all call_used_regs

2014-06-20  Tom de Vries  <tom@codesourcery.com>

* final.c (collect_fn_hard_reg_usage): Don't save function_used_regs if
it contains all call_used_regs.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@211840 138bc75d-0d04-0410-961f-82ee72b054a4
gcc/ChangeLog
gcc/final.c