Re: [PR50672, PATCH] Fix ice triggered by -ftree-tail-merge: verify_ssa failed: no immediate_use list

2011-11-02 Thread Tom de Vries
On 10/18/2011 11:06 AM, Tom de Vries wrote: On 10/17/2011 01:51 PM, Richard Guenther wrote: On Sun, Oct 16, 2011 at 12:05 PM, Tom de Vries tom_devr...@mentor.com wrote: On 10/14/2011 12:00 PM, Richard Guenther wrote: On Fri, Oct 14, 2011 at 1:12 AM, Tom de Vries tom_devr...@mentor.com

Re: [PR50672, PATCH] Fix ice triggered by -ftree-tail-merge: verify_ssa failed: no immediate_use list

2011-10-18 Thread Tom de Vries
On 10/17/2011 01:51 PM, Richard Guenther wrote: On Sun, Oct 16, 2011 at 12:05 PM, Tom de Vries tom_devr...@mentor.com wrote: On 10/14/2011 12:00 PM, Richard Guenther wrote: On Fri, Oct 14, 2011 at 1:12 AM, Tom de Vries tom_devr...@mentor.com wrote: On 10/12/2011 02:19 PM, Richard Guenther

Re: [PR50672, PATCH] Fix ice triggered by -ftree-tail-merge: verify_ssa failed: no immediate_use list

2011-10-17 Thread Richard Guenther
On Sun, Oct 16, 2011 at 12:05 PM, Tom de Vries tom_devr...@mentor.com wrote: On 10/14/2011 12:00 PM, Richard Guenther wrote: On Fri, Oct 14, 2011 at 1:12 AM, Tom de Vries tom_devr...@mentor.com wrote: On 10/12/2011 02:19 PM, Richard Guenther wrote: On Wed, Oct 12, 2011 at 8:35 AM, Tom de Vries

Re: [PR50672, PATCH] Fix ice triggered by -ftree-tail-merge: verify_ssa failed: no immediate_use list

2011-10-16 Thread Tom de Vries
On 10/14/2011 12:00 PM, Richard Guenther wrote: On Fri, Oct 14, 2011 at 1:12 AM, Tom de Vries tom_devr...@mentor.com wrote: On 10/12/2011 02:19 PM, Richard Guenther wrote: On Wed, Oct 12, 2011 at 8:35 AM, Tom de Vries vr...@codesourcery.com wrote: Richard, I have a patch for PR50672.

Re: [PR50672, PATCH] Fix ice triggered by -ftree-tail-merge: verify_ssa failed: no immediate_use list

2011-10-14 Thread Richard Guenther
On Fri, Oct 14, 2011 at 1:12 AM, Tom de Vries tom_devr...@mentor.com wrote: On 10/12/2011 02:19 PM, Richard Guenther wrote: On Wed, Oct 12, 2011 at 8:35 AM, Tom de Vries vr...@codesourcery.com wrote: Richard, I have a patch for PR50672. When compiling the testcase from the PR with

Re: [PR50672, PATCH] Fix ice triggered by -ftree-tail-merge: verify_ssa failed: no immediate_use list

2011-10-13 Thread Tom de Vries
On 10/12/2011 02:19 PM, Richard Guenther wrote: On Wed, Oct 12, 2011 at 8:35 AM, Tom de Vries vr...@codesourcery.com wrote: Richard, I have a patch for PR50672. When compiling the testcase from the PR with -ftree-tail-merge, the scenario is as follows: We start out tail_merge_optimize

[PR50672, PATCH] Fix ice triggered by -ftree-tail-merge: verify_ssa failed: no immediate_use list

2011-10-12 Thread Tom de Vries
Richard, I have a patch for PR50672. When compiling the testcase from the PR with -ftree-tail-merge, the scenario is as follows: We start out tail_merge_optimize with blocks 14 and 20, which are alike, but not equal, since they have different successors: ... # BLOCK 14 freq:690 # PRED: 25

Re: [PR50672, PATCH] Fix ice triggered by -ftree-tail-merge: verify_ssa failed: no immediate_use list

2011-10-12 Thread Richard Guenther
On Wed, Oct 12, 2011 at 8:35 AM, Tom de Vries vr...@codesourcery.com wrote: Richard, I have a patch for PR50672. When compiling the testcase from the PR with -ftree-tail-merge, the scenario is as follows: We start out tail_merge_optimize with blocks 14 and 20, which are alike, but not