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From: "rguenth at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug rtl-optimization/53373] [4.8 regression] ICE on valid code with -march-native
Date: Wed, 16 May 2012 10:17:00 -0000 [thread overview]
Message-ID: <bug-53373-4-4hnbk6nHNk@http.gcc.gnu.org/bugzilla/> (raw)
In-Reply-To: <bug-53373-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53373
Richard Guenther <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
Last reconfirmed| |2012-05-16
CC| |bernds at gcc dot gnu.org
Component|tree-optimization |rtl-optimization
Target Milestone|--- |4.8.0
Ever Confirmed|0 |1
--- Comment #1 from Richard Guenther <rguenth at gcc dot gnu.org> 2012-05-16 10:05:29 UTC ---
Confirmed. Caused by Bernds call-return value stuff.
Program received signal SIGSEGV, Segmentation fault.
0x000000000064528e in save_call_clobbered_regs ()
at /space/rguenther/src/svn/trunk/gcc/caller-save.c:876
876 rtx dest = SET_DEST (call_set);
(gdb) p call_set
$1 = (rtx) 0x0
(gdb) call debug_rtx (insn)
(call_insn 1344 1343 1347 114 (parallel [
(set (reg:DI 0 ax)
(call (mem:QI (symbol_ref:DI ("memcpy") [flags 0x41]
<function_decl 0x7ffff5aab200 memcpy>) [0 memcpy S1 A8])
(const_int 0 [0])))
(unspec [
(const_int 2 [0x2])
] UNSPEC_CALL_NEEDS_VZEROUPPER)
]) libfftpack/fftpack.c:308 632 {*call_value_vzeroupper}
(expr_list:REG_DEAD (reg:DI 5 di)
(expr_list:REG_DEAD (reg:DI 4 si)
(expr_list:REG_DEAD (reg:DI 1 dx)
(expr_list:REG_UNUSED (reg:DI 0 ax)
(expr_list:REG_RETURNED (reg:DI 2 cx [orig:769 ivtmp.2819 ]
[769])
(expr_list:REG_EH_REGION (const_int 0 [0])
(nil)))))))
(expr_list:REG_FRAME_RELATED_EXPR (set (reg:DI 0 ax)
(reg:DI 5 di))
(expr_list:REG_FRAME_RELATED_EXPR (use (reg:DI 5 di))
(expr_list:REG_FRAME_RELATED_EXPR (use (reg:DI 4 si))
(expr_list:REG_FRAME_RELATED_EXPR (use (reg:DI 1 dx))
(nil))))))
next prev parent reply other threads:[~2012-05-16 10:15 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-05-16 9:09 [Bug tree-optimization/53373] New: " martin@mpa-garching.mpg.de
2012-05-16 10:17 ` rguenth at gcc dot gnu.org [this message]
2012-05-16 10:39 ` [Bug rtl-optimization/53373] " rguenth at gcc dot gnu.org
2012-05-18 11:47 ` rguenth at gcc dot gnu.org
2012-05-18 11:51 ` rguenth at gcc dot gnu.org
2012-05-18 14:25 ` evstupac at gmail dot com
2012-05-20 17:47 ` vincenzo.innocente at cern dot ch
2012-05-20 17:47 ` danglin at gcc dot gnu.org
2012-05-20 18:25 ` dave.anglin at bell dot net
2012-05-20 20:12 ` [Bug rtl-optimization/53373] [4.8 regression] ICE on valid code with -mavx hjl.tools at gmail dot com
2012-05-20 22:06 ` [Bug rtl-optimization/53373] [4.8 regression] ICE on valid code with -march-native pinskia at gcc dot gnu.org
2012-05-21 21:50 ` [Bug rtl-optimization/53373] [4.8 regression] ICE on valid code with -mavx bernds at gcc dot gnu.org
2012-05-23 9:24 ` vincenzo.innocente at cern dot ch
2012-05-25 18:29 ` bernds at gcc dot gnu.org
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