[Bug rtl-optimization/55153] [4.8 Regression] ICE: in begin_move_insn, at sched-ebb.c:205 with -fsched2-use-superblocks and __builtin_prefetch

[jakub at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55153



--- Comment #4 from Jakub Jelinek <jakub at gcc dot gnu.org> 2013-01-15 
21:51:36 UTC ---

Thanks for working on this.  Unfortunately it seems the

http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=195211

change (commit message didn't make it into this PR because of an extra pr after

/ ) regressed i386/pr45352.c testcase on i?86.

./cc1 -m32 -O3 -march=amdfam10 -fselective-scheduling2 -fsel-sched-pipelining

-funroll-all-loops gcc.target/i386/pr45352.c

ICEs now with:

internal compiler error: in add_insn_mem_dependence, at sched-deps.c:1717