diff mbox

[Cilk+] Fix for PR61962

Message ID 0EFAB2BDD0F67E4FB6CCC8B9F87D756969AE3E82@IRSMSX101.ger.corp.intel.com
State New
Headers show

Commit Message

Zamyatin, Igor Aug. 7, 2014, 12:33 p.m. UTC
> >

> > Changelog:

> >

> > gcc/c-family:

> >

> > 2014-07-31  Igor Zamyatin  <igor.zamyatin@intel.com>

> >

> >         PR other/61962

> >         * array-notation-common.c (find_rank): Added handling for other

> >         types of references.

> >

> >

> > gcc/testsuite:

> >

> > 2014-07-31  Igor Zamyatin  <igor.zamyatin@intel.com>

> >

> >         PR other/61962

> >         * c-c++-common/cilk-plus/AN/pr61962.c: New test.

> >

> >

> >

> > diff --git a/gcc/c-family/array-notation-common.c

> > b/gcc/c-family/array-notation-common.c

> > index c010039..5db14c6 100644

> > --- a/gcc/c-family/array-notation-common.c

> > +++ b/gcc/c-family/array-notation-common.c

> > @@ -221,7 +221,9 @@ find_rank (location_t loc, tree orig_expr, tree expr,

> bool ignore_builtin_fn,

> >               current_rank++;

> >               ii_tree = ARRAY_NOTATION_ARRAY (ii_tree);

> >             }

> > -         else if (TREE_CODE (ii_tree) == ARRAY_REF)

> > +         else if (TREE_CODE (ii_tree) == ARRAY_REF

> > +                  || TREE_CODE (ii_tree) == INDIRECT_REF

> > +                  || TREE_CODE (ii_tree) == COMPONENT_REF)

> 

> Maybe you want handled_component_p (ii_tree)?  The above misses

> REALPART_EXPR, IMAGPART_EXRP, VIEW_CONVERT_EXPR and

> BIT_FIELD_REF.

> 

> And I'm missing a

> 

>            else

>               gcc_unreachable ();

> 

> Richard.


Like this (Changelog is the same, regtested on x86_64)?


> 

> >             ii_tree = TREE_OPERAND (ii_tree, 0);

> >           else if (TREE_CODE (ii_tree) == PARM_DECL

> >                    || TREE_CODE (ii_tree) == VAR_DECL) diff --git

> > a/gcc/testsuite/c-c++-common/cilk-plus/AN/pr61962.c b/gcc/testsuite/c-

> c++-common/cilk-plus/AN/pr61962.

> > new file mode 100644

> > index 0000000..08d4fe2

> > --- /dev/null

> > +++ b/gcc/testsuite/c-c++-common/cilk-plus/AN/pr61962.c

> > @@ -0,0 +1,14 @@

> > +/* PR other/61962 */

> > +/* { dg-do compile } */

> > +/* { dg-options "-fcilkplus" } */

> > +

> > +struct FloatStruct

> > +{

> > +    float *f;

> > +};

> > +

> > +/* Either SRC or DST must be a struct, otherwise the bug does not

> > +occur.  */ void f (struct FloatStruct* dst, float *src, unsigned int

> > +length) {

> > +    dst->f[0:length] = src[0:length]; }

Comments

Richard Biener Aug. 7, 2014, 12:35 p.m. UTC | #1
On Thu, Aug 7, 2014 at 2:33 PM, Zamyatin, Igor <igor.zamyatin@intel.com> wrote:
>> >
>> > Changelog:
>> >
>> > gcc/c-family:
>> >
>> > 2014-07-31  Igor Zamyatin  <igor.zamyatin@intel.com>
>> >
>> >         PR other/61962
>> >         * array-notation-common.c (find_rank): Added handling for other
>> >         types of references.
>> >
>> >
>> > gcc/testsuite:
>> >
>> > 2014-07-31  Igor Zamyatin  <igor.zamyatin@intel.com>
>> >
>> >         PR other/61962
>> >         * c-c++-common/cilk-plus/AN/pr61962.c: New test.
>> >
>> >
>> >
>> > diff --git a/gcc/c-family/array-notation-common.c
>> > b/gcc/c-family/array-notation-common.c
>> > index c010039..5db14c6 100644
>> > --- a/gcc/c-family/array-notation-common.c
>> > +++ b/gcc/c-family/array-notation-common.c
>> > @@ -221,7 +221,9 @@ find_rank (location_t loc, tree orig_expr, tree expr,
>> bool ignore_builtin_fn,
>> >               current_rank++;
>> >               ii_tree = ARRAY_NOTATION_ARRAY (ii_tree);
>> >             }
>> > -         else if (TREE_CODE (ii_tree) == ARRAY_REF)
>> > +         else if (TREE_CODE (ii_tree) == ARRAY_REF
>> > +                  || TREE_CODE (ii_tree) == INDIRECT_REF
>> > +                  || TREE_CODE (ii_tree) == COMPONENT_REF)
>>
>> Maybe you want handled_component_p (ii_tree)?  The above misses
>> REALPART_EXPR, IMAGPART_EXRP, VIEW_CONVERT_EXPR and
>> BIT_FIELD_REF.
>>
>> And I'm missing a
>>
>>            else
>>               gcc_unreachable ();
>>
>> Richard.
>
> Like this (Changelog is the same, regtested on x86_64)?

Yes.

Thanks,
Richard.

> diff --git a/gcc/c-family/array-notation-common.c b/gcc/c-family/array-notation-common.c
> index c010039..af3c3d5 100644
> --- a/gcc/c-family/array-notation-common.c
> +++ b/gcc/c-family/array-notation-common.c
> @@ -221,11 +221,15 @@ find_rank (location_t loc, tree orig_expr, tree expr, bool ignore_builtin_fn,
>               current_rank++;
>               ii_tree = ARRAY_NOTATION_ARRAY (ii_tree);
>             }
> -         else if (TREE_CODE (ii_tree) == ARRAY_REF)
> +         else if (handled_component_p  (ii_tree)
> +                  || TREE_CODE (ii_tree) == INDIRECT_REF)
>             ii_tree = TREE_OPERAND (ii_tree, 0);
>           else if (TREE_CODE (ii_tree) == PARM_DECL
>                    || TREE_CODE (ii_tree) == VAR_DECL)
>             break;
> +         else
> +           gcc_unreachable ();
> +
>         }
>        if (*rank == 0)
>         /* In this case, all the expressions this function has encountered thus
> diff --git a/gcc/testsuite/c-c++-common/cilk-plus/AN/pr61962.c b/gcc/testsuite/c-c++-common/cilk-plus/AN/pr61962.c
> new file mode 100644
> index 0000000..08d4fe2
> --- /dev/null
> +++ b/gcc/testsuite/c-c++-common/cilk-plus/AN/pr61962.c
> @@ -0,0 +1,14 @@
> +/* PR other/61962 */
> +/* { dg-do compile } */
> +/* { dg-options "-fcilkplus" } */
> +
> +struct FloatStruct
> +{
> +    float *f;
> +};
> +
> +/* Either SRC or DST must be a struct, otherwise the bug does not occur.  */
> +void f (struct FloatStruct* dst, float *src, unsigned int length)
> +{
> +    dst->f[0:length] = src[0:length];
> +}
>
>>
>> >             ii_tree = TREE_OPERAND (ii_tree, 0);
>> >           else if (TREE_CODE (ii_tree) == PARM_DECL
>> >                    || TREE_CODE (ii_tree) == VAR_DECL) diff --git
>> > a/gcc/testsuite/c-c++-common/cilk-plus/AN/pr61962.c b/gcc/testsuite/c-
>> c++-common/cilk-plus/AN/pr61962.
>> > new file mode 100644
>> > index 0000000..08d4fe2
>> > --- /dev/null
>> > +++ b/gcc/testsuite/c-c++-common/cilk-plus/AN/pr61962.c
>> > @@ -0,0 +1,14 @@
>> > +/* PR other/61962 */
>> > +/* { dg-do compile } */
>> > +/* { dg-options "-fcilkplus" } */
>> > +
>> > +struct FloatStruct
>> > +{
>> > +    float *f;
>> > +};
>> > +
>> > +/* Either SRC or DST must be a struct, otherwise the bug does not
>> > +occur.  */ void f (struct FloatStruct* dst, float *src, unsigned int
>> > +length) {
>> > +    dst->f[0:length] = src[0:length]; }
Jakub Jelinek Aug. 7, 2014, 12:35 p.m. UTC | #2
On Thu, Aug 07, 2014 at 12:33:00PM +0000, Zamyatin, Igor wrote:
> --- a/gcc/c-family/array-notation-common.c
> +++ b/gcc/c-family/array-notation-common.c
> @@ -221,11 +221,15 @@ find_rank (location_t loc, tree orig_expr, tree expr, bool ignore_builtin_fn,
>               current_rank++;
>               ii_tree = ARRAY_NOTATION_ARRAY (ii_tree);
>             }
> -         else if (TREE_CODE (ii_tree) == ARRAY_REF)
> +         else if (handled_component_p  (ii_tree)
> +                  || TREE_CODE (ii_tree) == INDIRECT_REF)
>             ii_tree = TREE_OPERAND (ii_tree, 0);
>           else if (TREE_CODE (ii_tree) == PARM_DECL
>                    || TREE_CODE (ii_tree) == VAR_DECL)
>             break;
> +         else
> +           gcc_unreachable ();
> +
>         }
>        if (*rank == 0)

Please watch your formatting.  Two spaces before (ii_tree) instead of one,
addition of an extra useless blank line.

	Jakub
diff mbox

Patch

diff --git a/gcc/c-family/array-notation-common.c b/gcc/c-family/array-notation-common.c
index c010039..af3c3d5 100644
--- a/gcc/c-family/array-notation-common.c
+++ b/gcc/c-family/array-notation-common.c
@@ -221,11 +221,15 @@  find_rank (location_t loc, tree orig_expr, tree expr, bool ignore_builtin_fn,
              current_rank++;
              ii_tree = ARRAY_NOTATION_ARRAY (ii_tree);
            }
-         else if (TREE_CODE (ii_tree) == ARRAY_REF)
+         else if (handled_component_p  (ii_tree)
+                  || TREE_CODE (ii_tree) == INDIRECT_REF)
            ii_tree = TREE_OPERAND (ii_tree, 0);
          else if (TREE_CODE (ii_tree) == PARM_DECL
                   || TREE_CODE (ii_tree) == VAR_DECL)
            break;
+         else
+           gcc_unreachable ();
+
        }
       if (*rank == 0)
        /* In this case, all the expressions this function has encountered thus
diff --git a/gcc/testsuite/c-c++-common/cilk-plus/AN/pr61962.c b/gcc/testsuite/c-c++-common/cilk-plus/AN/pr61962.c
new file mode 100644
index 0000000..08d4fe2
--- /dev/null
+++ b/gcc/testsuite/c-c++-common/cilk-plus/AN/pr61962.c
@@ -0,0 +1,14 @@ 
+/* PR other/61962 */
+/* { dg-do compile } */
+/* { dg-options "-fcilkplus" } */
+
+struct FloatStruct
+{
+    float *f;
+};
+
+/* Either SRC or DST must be a struct, otherwise the bug does not occur.  */
+void f (struct FloatStruct* dst, float *src, unsigned int length)
+{
+    dst->f[0:length] = src[0:length];
+}