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[Bug target/80706] [7/8 Regression] peephole2 uses uninitialized stack variables on i686
- From: "jakub at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Thu, 11 May 2017 12:37:21 +0000
- Subject: [Bug target/80706] [7/8 Regression] peephole2 uses uninitialized stack variables on i686
- Auto-submitted: auto-generated
- References: <bug-80706-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80706
--- Comment #13 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Created attachment 41340
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=41340&action=edit
gcc8-pr80706.patch
I came up with this (in addition to #c7). This removes one of the two useless
stores in the original pr71245-1.c testcase and restores the above pr71245-1.c
modification to what it used to look before (well, even better, as it reserves
smaller stack).