[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 #32 from H.J. Lu <hjl.tools at gmail dot com> 2012-11-12 04:08:02 
UTC ---

Can we limit



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



to



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



transformation to Y > TARGET SPECIFIC VALUE? For x86-64,

it is -16*1023*1024.