[Bug middle-end/55142] [4.8 Regression] internal compiler error: in plus_constant, at explow.c:88

[hjl.tools at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55142



--- Comment #28 from H.J. Lu <hjl.tools at gmail dot com> 2012-11-08 23:02:54 
UTC ---

So for POINTERS_EXTEND_UNSIGNED > 0, we should transform



(zero_extend:DI (plus:SI (FOO:SI) (const_int Y)))



in such a way that it won't cause ICE and zero-extend the

result.  For X32, we just need to generate



(plus:SI (REG:SI) (const_int Y))