[Bug rtl-optimization/55247] [4.8 Regression] internal compiler error: Max. number of generated reload insns per insn is achieved (90)

[hjl.tools at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55247



--- Comment #3 from H.J. Lu <hjl.tools at gmail dot com> 2012-11-10 01:32:06 
UTC ---

There are 2 issues here:



1. Should we use



    movdqu    (%eax), %xmm0    # 19    *movti_internal_rex64/4    [length = 5]

    movdqa    %xmm0, (%rsp)    # 29    *movti_internal_rex64/5    [length = 5]



to copy 16 bytes?



2. Should we split *movti_internal_rex64 if -mno-sse is used?