When compiled with -frename-registers, the TBA test case produces invalid
code. Specifically, the cpadd4.h opcode clobbers $c1 but the cpsub2.h
assumes it still has the value "a" in it. Compiling with
-fno-rename-registers results in valid code.
--
Summary: -frename-registers causes register corruption
Product: gcc
Version: 4.5.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: rtl-optimization
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: dj at redhat dot com
GCC build triplet: i686-pc-linux-gnu
GCC host triplet: i686-pc-linux-gnu
GCC target triplet: mep-elf
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40626
