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[Bug target/69614] [6 Regression] wrong code with -Os -fno-expensive-optimizations -fschedule-insns -mtpcs-leaf-frame -fira-algorithm=priority @ armv7a
- From: "ktkachov at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Tue, 02 Feb 2016 13:44:17 +0000
- Subject: [Bug target/69614] [6 Regression] wrong code with -Os -fno-expensive-optimizations -fschedule-insns -mtpcs-leaf-frame -fira-algorithm=priority @ armv7a
- Auto-submitted: auto-generated
- References: <bug-69614-4 at http dot gcc dot gnu dot org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69614
--- Comment #3 from ktkachov at gcc dot gnu.org ---
Note that -mtpcs-leaf-frame was deprecated in GCC 5 due to a number of bugs
with it: https://gcc.gnu.org/gcc-5/changes.html
There are a number of known issues with these options relating to the old ABI:
https://gcc.gnu.org/bugzilla/buglist.cgi?quicksearch=mapcs-frame&list_id=139237