[branches/google/gcc-4_6] Backported r179661 and 179662 from mainline.

Backported the following patch from trunk:

2011-10-07  Andrew Stubbs  <ams@codesourcery.com>

    gcc/
    * config/arm/predicates.md (shift_amount_operand): Remove constant
    range check.
    (shift_operator): Check range of constants for all shift operators.

    gcc/testsuite/
    * gcc.dg/pr50193-1.c: New file.
    * gcc.target/arm/shiftable.c: New file.

[asharif, 2012-04-05 03:56:48]

Please take a look at this patch and tell me if it's OK for
branches/google/gcc-4_6.

[michael.hope_linaro.org, 2012-04-05 04:44:06]

On 5 April 2012 15:56,  <asharif@chromium.org> wrote:
> Reviewers: Diego Novillo, jingyu, davidxl,
>
> Message:
> Please take a look at this patch and tell me if it's OK for
> branches/google/gcc-4_6.
>
> Description:
> Backported the following patch from trunk:
>
> 2011-10-07  Andrew Stubbs  <ams@codesourcery.com>
>
>    gcc/
>    * config/arm/predicates.md (shift_amount_operand): Remove constant
>    range check.
>    (shift_operator): Check range of constants for all shift operators.
>
>    gcc/testsuite/
>    * gcc.dg/pr50193-1.c: New file.
>    * gcc.target/arm/shiftable.c: New file.
>
>
> Please review this at http://codereview.appspot.com/5989043/
>
> Affected files:
>   M    .
>  M     gcc/ChangeLog
>  M     gcc/ChangeLog.google-4_6
>  M     gcc/config/arm/predicates.md
>  M     gcc/testsuite/ChangeLog
>  A  +  gcc/testsuite/gcc.dg/pr50193-1.c
>  A  +  gcc/testsuite/gcc.target/arm/shiftable.c

Andrew, could you check that the Google guys have the final version of
your patch?

Could you backport the fix to the 4.6 release branch if valid?  Better
than having the same patch in three places.

-- Michael

[andrew.stubbs_linaro.org, 2012-04-05 12:18:21]

On 05/04/12 05:43, Michael Hope wrote:
> Andrew, could you check that the Google guys have the final version of
> your patch?

Yes, it looks fine to me.

> Could you backport the fix to the 4.6 release branch if valid?  Better
> than having the same patch in three places.

Ok, I'll need permission from a maintainer, I think.

Andrew

[davidxl, 2012-04-05 16:15:52]

ok for google branches

David

On Wed, Apr 4, 2012 at 8:56 PM,  <asharif@chromium.org> wrote:
> Reviewers: Diego Novillo, jingyu, davidxl,
>
> Message:
> Please take a look at this patch and tell me if it's OK for
> branches/google/gcc-4_6.
>
> Description:
> Backported the following patch from trunk:
>
> 2011-10-07  Andrew Stubbs  <ams@codesourcery.com>
>
>    gcc/
>    * config/arm/predicates.md (shift_amount_operand): Remove constant
>    range check.
>    (shift_operator): Check range of constants for all shift operators.
>
>    gcc/testsuite/
>    * gcc.dg/pr50193-1.c: New file.
>    * gcc.target/arm/shiftable.c: New file.
>
>
> Please review this at http://codereview.appspot.com/5989043/
>
> Affected files:
>   M    .
>  M     gcc/ChangeLog
>  M     gcc/ChangeLog.google-4_6
>  M     gcc/config/arm/predicates.md
>  M     gcc/testsuite/ChangeLog
>  A  +  gcc/testsuite/gcc.dg/pr50193-1.c
>  A  +  gcc/testsuite/gcc.target/arm/shiftable.c
>
>

[asharif, 2012-04-05 18:22:12]

Committed as r186168.