http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55464
Bug #: 55464
Summary: lra chooses alternatives with empty register classes
Classification: Unclassified
Product: gcc
Version: 4.8.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: rtl-optimization
AssignedTo: [email protected]
ReportedBy: [email protected]
lra chooses instruction alternatives with empty register classes, which
causes it to reload the reload over and over again, till it eventually
bails out with:
conftest.c:7:2: internal compiler error: Max. number of generated reload insns
per insn is achieved (90)