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[Bug target/55023] hppa: wrong code generated with tail call optimisation
- From: "dave.anglin at bell dot net" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Fri, 07 Nov 2014 22:23:05 +0000
- Subject: [Bug target/55023] hppa: wrong code generated with tail call optimisation
- Auto-submitted: auto-generated
- References: <bug-55023-4 at http dot gcc dot gnu dot org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=55023
--- Comment #5 from dave.anglin at bell dot net ---
On 11/7/2014 5:13 PM, law at redhat dot com wrote:
> Agreed, seems that RTL DSE is eliminating the stores. Presumably its not
> considering the call as potentially reading the argument stores.
That's what I thought. When sibcalls are disabled, the normal call has
the same set of uses as the sibcall, but the stores are not eliminated.
Dave