[Bug rtl-optimization/56275] ICE in simplify_subreg, at simplify-rtx.c:5261 with vector code.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=56275 Andrew Pinski changed: What|Removed |Added CC||ebuddington at wesleyan dot edu --- Comment #10 from Andrew Pinski --- *** Bug 51831 has been marked as a duplicate of this bug. ***
[Bug rtl-optimization/56275] ICE in simplify_subreg, at simplify-rtx.c:5261 with vector code.
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56275 --- Comment #9 from klondike 2013-02-11 19:25:15 UTC --- Thanks again Uros, it's amazing how fast you have fixed this :D
[Bug rtl-optimization/56275] ICE in simplify_subreg, at simplify-rtx.c:5261 with vector code.
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56275 Uros Bizjak changed: What|Removed |Added Status|ASSIGNED|RESOLVED URL||http://gcc.gnu.org/ml/gcc-p ||atches/2013-02/msg00438.htm ||l Resolution||FIXED --- Comment #8 from Uros Bizjak 2013-02-11 19:22:14 UTC --- Fixed everywhere.
[Bug rtl-optimization/56275] ICE in simplify_subreg, at simplify-rtx.c:5261 with vector code.
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56275 --- Comment #7 from uros at gcc dot gnu.org 2013-02-11 17:30:06 UTC --- Author: uros Date: Mon Feb 11 17:29:53 2013 New Revision: 195947 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=195947 Log: Backport from mainline 2013-02-11 Uros Bizjak PR rtl-optimization/56275 * simplify-rtx.c (avoid_constant_pool_reference): Check that offset is non-negative and less than cmode size before calling simplify_subreg. testsuite/ChangeLog Backport from mainline 2013-02-11 Uros Bizjak PR rtl-optimization/56275 * gcc.dg/pr56275.c: New test. Added: branches/gcc-4_6-branch/gcc/testsuite/gcc.dg/pr56275.c Modified: branches/gcc-4_6-branch/gcc/ChangeLog branches/gcc-4_6-branch/gcc/simplify-rtx.c branches/gcc-4_6-branch/gcc/testsuite/ChangeLog
[Bug rtl-optimization/56275] ICE in simplify_subreg, at simplify-rtx.c:5261 with vector code.
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56275 --- Comment #6 from uros at gcc dot gnu.org 2013-02-11 17:27:39 UTC --- Author: uros Date: Mon Feb 11 17:27:30 2013 New Revision: 195946 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=195946 Log: Backport from mainline 2013-02-11 Uros Bizjak PR rtl-optimization/56275 * simplify-rtx.c (avoid_constant_pool_reference): Check that offset is non-negative and less than cmode size before calling simplify_subreg. testsuite/ChangeLog: Backport from mainline 2013-02-11 Uros Bizjak PR rtl-optimization/56275 * gcc.dg/pr56275.c: New test. Added: branches/gcc-4_7-branch/gcc/testsuite/gcc.dg/pr56275.c Modified: branches/gcc-4_7-branch/gcc/ChangeLog branches/gcc-4_7-branch/gcc/simplify-rtx.c branches/gcc-4_7-branch/gcc/testsuite/ChangeLog
[Bug rtl-optimization/56275] ICE in simplify_subreg, at simplify-rtx.c:5261 with vector code.
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56275 --- Comment #5 from klondike 2013-02-11 16:10:49 UTC --- Thanks Uros, for now I'll disable the code for gcc <= 4.6.3 if SSE2 is not available to prevent the crash on older distros.
[Bug rtl-optimization/56275] ICE in simplify_subreg, at simplify-rtx.c:5261 with vector code.
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56275 --- Comment #4 from uros at gcc dot gnu.org 2013-02-11 16:05:51 UTC --- Author: uros Date: Mon Feb 11 16:05:44 2013 New Revision: 195944 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=195944 Log: PR rtl-optimization/56275 * simplify-rtx.c (avoid_constant_pool_reference): Check that offset is non-negative and less than cmode size before calling simplify_subreg. testsuite/ChangeLog: PR rtl-optimization/56275 * gcc.dg/pr56275.c: New test. Added: trunk/gcc/testsuite/gcc.dg/pr56275.c Modified: trunk/gcc/ChangeLog trunk/gcc/simplify-rtx.c trunk/gcc/testsuite/ChangeLog
[Bug rtl-optimization/56275] ICE in simplify_subreg, at simplify-rtx.c:5261 with vector code.
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56275 Uros Bizjak changed: What|Removed |Added Status|NEW |ASSIGNED AssignedTo|unassigned at gcc dot |ubizjak at gmail dot com |gnu.org | --- Comment #3 from Uros Bizjak 2013-02-10 16:16:12 UTC --- Created attachment 29412 --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=29412 Proposed patch Patch in testing.
[Bug rtl-optimization/56275] ICE in simplify_subreg, at simplify-rtx.c:5261 with vector code.
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56275
--- Comment #2 from Uros Bizjak 2013-02-10 16:15:13
UTC ---
More reduced testcase
--cut here--
typedef long long v2tw __attribute__ ((vector_size (2 * sizeof (long long;
void tiger_block_v2 (long long in1, v2tw *res)
{
v2tw i1 = { in1, in1 };
*res = i1 << 1;
}
--cut here--
[Bug rtl-optimization/56275] ICE in simplify_subreg, at simplify-rtx.c:5261 with vector code.
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56275
Uros Bizjak changed:
What|Removed |Added
Status|UNCONFIRMED |NEW
Last reconfirmed||2013-02-10
Component|other |rtl-optimization
Known to work||4.7.3, 4.8.0
Target Milestone|--- |4.6.4
Ever Confirmed|0 |1
--- Comment #1 from Uros Bizjak 2013-02-10 14:55:03
UTC ---
Confirmed, latent on 4.7+.
I'm testing following patch:
--cut here--
Index: simplify-rtx.c
===
--- simplify-rtx.c (revision 195496)
+++ simplify-rtx.c (working copy)
@@ -188,7 +188,8 @@
/* If we're accessing the constant in a different mode than it was
originally stored, attempt to fix that up via subreg simplifications.
If that fails we have no choice but to return the original memory.
*/
- if (offset != 0 || cmode != GET_MODE (x))
+ if ((offset != 0 || cmode != GET_MODE (x))
+ && offset < GET_MODE_SIZE (cmode))
{
rtx tem = simplify_subreg (GET_MODE (x), c, cmode, offset);
if (tem && CONSTANT_P (tem))
--cut here--
