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[Bug libc/15605] gcc-4.8 + tree-loop-distribute-patterns breaks is unsafe for GLIBC
- From: "philippe.gislard at morpho dot com" <sourceware-bugzilla at sourceware dot org>
- To: glibc-bugs at sourceware dot org
- Date: Wed, 25 Feb 2015 18:51:11 +0000
- Subject: [Bug libc/15605] gcc-4.8 + tree-loop-distribute-patterns breaks is unsafe for GLIBC
- Auto-submitted: auto-generated
- References: <bug-15605-131 at http dot sourceware dot org/bugzilla/>
https://sourceware.org/bugzilla/show_bug.cgi?id=15605
philippe.gislard at morpho dot com changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |philippe.gislard at morpho dot com
--- Comment #8 from philippe.gislard at morpho dot com ---
Hi,
I'm using gcc 4.9.1, and I have and issue when reimplementing memset that is
quite similar:
loop inside memset is transformed into recursive call to memset
I noticed that when compiling with -fno-tree-loop-distribute-patterns has no
impact but with -fno-tree-ch the issue disappear.
Can someone tell me if it is related to this bug and if possible, what's
happening exactly and if there is a better way to handle this ?
Thanks.
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