[Bug rtl-optimization/16968] [3.4 Regression] loop optimizer miscompilation

[jakub at gcc dot gnu dot org]

------- Additional Comments From jakub at gcc dot gnu dot org  2004-08-16 10:31 -------
It is miscompiled in 3.4.x, so setting known to work to 3.4.0 and 3.4.1 seems
wrong to me.
GCC 3.5 doesn't miscompile this (it doesn't use asm_input ("") magic),
but the loop bug which is the cause of this problem is most probably there
too (i.e. I think it will happily move asm volatile or asm without output
around while it shouldn't).

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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=16968