On 05/03/2013 11:15 AM, Teresa Johnson wrote:
On Fri, May 3, 2013 at 9:37 AM, David Edelsohn <dje....@gmail.com> wrote:
Thanks for the patch.
Bootstrap works on x86 and Anton's testcase works on x86.
Is there any testcase for x86 that would demonstrate the failure or
that could check the probabilities in a dump file and see the
inconsistency?
Patch is committed. But I just figured out why it isn't showing up on
x86 - it is because -fschedule-insns is not enabled by default. I can
reproduce it with x86 using the same test case. Will go ahead and
submit a patch to add this to the testsuite.
Just an FYI, we don't use -fschedule-insns (first pass) on x86/x86_64
due to register pressure issues. However, I think for the testsuite
it'd be OK to have a test which uses -fschedule-insns to expose the need
for clamping on the probabilities.
jeff
