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[Bug target/50749] SH Target: Post-increment addressing used only for first memory access
- From: "kkojima at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Sun, 16 Oct 2011 23:33:40 +0000
- Subject: [Bug target/50749] SH Target: Post-increment addressing used only for first memory access
- Auto-submitted: auto-generated
- References: <bug-50749-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50749
--- Comment #1 from Kazumoto Kojima <kkojima at gcc dot gnu.org> 2011-10-16 23:33:40 UTC ---
GCC makes usual mem accesses into those with post_inc/pre_dec at
auto_inc_dec pass. I guess that auto_inc_dec pass can't find
post_inc insns well in that case because other tree/rtl optimizers
tweak the code already. If this is the case, the problem would be
not target specific.