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[Bug target/51955] _mm_setzero_si128 intrinsic causes segfault without -O
- From: "pinskia at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Mon, 23 Jan 2012 02:38:46 +0000
- Subject: [Bug target/51955] _mm_setzero_si128 intrinsic causes segfault without -O
- Auto-submitted: auto-generated
- References: <bug-51955-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51955
Andrew Pinski <pinskia at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |RESOLVED
Resolution| |INVALID
--- Comment #3 from Andrew Pinski <pinskia at gcc dot gnu.org> 2012-01-23 02:38:46 UTC ---
This is a bug in how your _start does not realign the stack to 16 byte aligned.
movdqa %xmm0, -32(%rbp)
movdqa -32(%rbp), %xmm0
movdqa %xmm0, -16(%rbp)
rbp 0x7fffffffe388 0x7fffffffe388
rsp 0x7fffffffe388 0x7fffffffe388