On 11/25/2015 06:14 PM, James Greenhalgh wrote:
On Tue, Oct 27, 2015 at 01:21:51PM -0700, Richard Henderson wrote:
* aarch64 is almost certainly vulnerable, since it deleted its
CANNOT_CHANGE_MODE_CLASS implementation in January. I haven't tried to create
a test case that fails for it, but I
On Tue, Oct 27, 2015 at 01:21:51PM -0700, Richard Henderson wrote:
> The problem in this PR is that a word-mode subreg is used to write to a
> multi-word pseudo, under the assumption that is the correct way to insert a
> value into the appropriate bits of the pseudo.
>
> Except that the pseudo the
On Tue, Oct 27, 2015 at 4:45 PM, H.J. Lu wrote:
> On Tue, Oct 27, 2015 at 1:21 PM, Richard Henderson wrote:
>> The problem in this PR is that a word-mode subreg is used to write to a
>> multi-word pseudo, under the assumption that is the correct way to insert a
>> value into the appropriate bits
On Tue, Oct 27, 2015 at 1:21 PM, Richard Henderson wrote:
> The problem in this PR is that a word-mode subreg is used to write to a
> multi-word pseudo, under the assumption that is the correct way to insert a
> value into the appropriate bits of the pseudo.
>
> Except that the pseudo then gets as
