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[Bug target/31507] [4.3 Regression] libffi regression, many.c, closure_fn2/fn3.c with -Os
- From: "jakub at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 31 Oct 2007 15:08:50 -0000
- Subject: [Bug target/31507] [4.3 Regression] libffi regression, many.c, closure_fn2/fn3.c with -Os
- References: <bug-31507-5406@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #13 from jakub at gcc dot gnu dot org 2007-10-31 15:08 -------
See md.texi:
@cindex @samp{<} in constraint
@item @samp{<}
A memory operand with autodecrement addressing (either predecrement or
postdecrement) is allowed.
And that's for a reason, post_modify here adjusts it by different size than
the size of the mode, so it shouldn't be valid < operand.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=31507