[Bug rtl-optimization/38449] delay branch scheduling follows REG_CROSSING_JUMP jumps indiscriminately

[amylaar at gcc dot gnu dot org]

------- Comment #2 from amylaar at gcc dot gnu dot org  2008-12-08 20:36 -------
(In reply to comment #1)
> What is target dependent about this, that you need a target hook for it?

Some jumps are OK to be made section crossing, while others are not.
And which ones are OK also depends on target options - the ARCompact
architecture has branches with 21 and 25 bit offset range.  These may cross
section
boundaries if the binary is not too large.


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38449