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* Fix for PR 48988
@ 2011-05-23  8:59 Xinliang David Li
  2011-05-23 10:09 ` Richard Guenther
  0 siblings, 1 reply; 2+ messages in thread
From: Xinliang David Li @ 2011-05-23  8:59 UTC (permalink / raw)
  To: GCC Patches

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Hi, the following trial patch fixed PR 48988 which is a regression.

Bootstrap and tested on x86/linux. Verified the reported failure is fixed.

Ok for trunk?

David


2011-05-22  David Li  <davidxl@google.com>

        PR tree-optimization/48988
        * tree-ssa-uninit.c (convert_control_dep_chain_into_preds):
        Initialize has_valid_pred for each pred chain.

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2011-05-22  David Li  <davidxl@google.com>

	PR tree-optimization/48988
	* tree-ssa-uninit.c (convert_control_dep_chain_into_preds):
	Initialize has_valid_pred for each pred chain.

Index: tree-ssa-uninit.c
===================================================================
--- tree-ssa-uninit.c	(revision 173837)
+++ tree-ssa-uninit.c	(working copy)
@@ -358,6 +358,8 @@ convert_control_dep_chain_into_preds (VE
   for (i = 0; i < num_chains; i++)
     {
       VEC(edge, heap) *one_cd_chain = dep_chains[i];
+
+      has_valid_pred = false;
       for (j = 0; j < VEC_length (edge, one_cd_chain); j++)
         {
           gimple cond_stmt;

^ permalink raw reply	[flat|nested] 2+ messages in thread

* Re: Fix for PR 48988
  2011-05-23  8:59 Fix for PR 48988 Xinliang David Li
@ 2011-05-23 10:09 ` Richard Guenther
  0 siblings, 0 replies; 2+ messages in thread
From: Richard Guenther @ 2011-05-23 10:09 UTC (permalink / raw)
  To: Xinliang David Li; +Cc: GCC Patches

On Mon, May 23, 2011 at 1:14 AM, Xinliang David Li <davidxl@google.com> wrote:
> Hi, the following trial patch fixed PR 48988 which is a regression.
>
> Bootstrap and tested on x86/linux. Verified the reported failure is fixed.
>
> Ok for trunk?

Ok.

Thanks,
Richard.

> David
>
>
> 2011-05-22  David Li  <davidxl@google.com>
>
>        PR tree-optimization/48988
>        * tree-ssa-uninit.c (convert_control_dep_chain_into_preds):
>        Initialize has_valid_pred for each pred chain.
>

^ permalink raw reply	[flat|nested] 2+ messages in thread

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2011-05-23  8:59 Fix for PR 48988 Xinliang David Li
2011-05-23 10:09 ` Richard Guenther

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