octeon3: mips64: execution of application observed segfault with cross compile -O2 on -mabi=64

[Purushotham via Gcc-help <gcc-help@xxxxxxxxxxx>]

Hi Team,

We are facing issue on octeon3 64 bit  toolchain to compiling of
application with -O2 option with cross compiler observed segmentation fault
on execution.This issue observing on gcc 4.7.0 with -mabi=64. With 32 bit
and native application working fine.

Please let me your comments.

Regards
Purushotham