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[PR45098,10/10] Cheap shift-add - test case.

Message ID 4DD40119.6040100@codesourcery.com
State New
Headers show

Commit Message

Tom de Vries May 18, 2011, 5:25 p.m. UTC 
On 05/17/2011 09:24 AM, Tom de Vries wrote:
> On 05/17/2011 09:10 AM, Tom de Vries wrote:
>> Hi Zdenek,
>>
>> I have a patch set for for PR45098.
>>
>> 01_object-size-target.patch
>> 02_pr45098-rtx-cost-set.patch
>> 03_pr45098-computation-cost.patch
>> 04_pr45098-iv-init-cost.patch
>> 05_pr45098-bound-cost.patch
>> 06_pr45098-bound-cost.test.patch
>> 07_pr45098-nowrap-limits-iterations.patch
>> 08_pr45098-nowrap-limits-iterations.test.patch
>> 09_pr45098-shift-add-cost.patch
>> 10_pr45098-shift-add-cost.test.patch
>>
>> I will sent out the patches individually.
>>
> 
> OK for trunk?
> 
> Thanks,
> - Tom

Resubmitting with comment.

This new test case needs all preceding patches to pass.

2011-05-05  Tom de Vries  <tom@codesourcery.com>

	PR target/45098
	* gcc.target/arm/ivopts-6.c: New test.
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Patch

Index: gcc/testsuite/gcc.target/arm/ivopts-6.c
===================================================================
--- /dev/null (new file)
+++ gcc/testsuite/gcc.target/arm/ivopts-6.c (revision 0)
@@ -0,0 +1,15 @@ 
+/* { dg-do assemble } */
+/* { dg-options "-Os -fdump-tree-ivopts -save-temps -marm" } */
+
+void
+tr5 (short array[], int n)
+{
+  int x;
+  if (n > 0)
+    for (x = 0; x < n; x++)
+      array[x] = 0;
+}
+
+/* { dg-final { scan-tree-dump-times "PHI <" 1 "ivopts"} } */
+/* { dg-final { object-size text <= 32 } } */
+/* { dg-final { cleanup-tree-dump "ivopts" } } */