Re: DBL_DENORM_MIN should never be 0

2014-09-11 Thread Joseph S. Myers
On Thu, 11 Sep 2014, Marc Glisse wrote: > On Thu, 11 Sep 2014, Joseph S. Myers wrote: > > > On Thu, 11 Sep 2014, Marc Glisse wrote: > > > > > I don't know what kind of test you have in mind, so I added a runtime > > > test. I > > > am just guessing that it probably fails on alpha because of PR 5

Re: DBL_DENORM_MIN should never be 0

2014-09-11 Thread Marc Glisse
On Thu, 11 Sep 2014, Joseph S. Myers wrote: On Thu, 11 Sep 2014, Marc Glisse wrote: I don't know what kind of test you have in mind, so I added a runtime test. I am just guessing that it probably fails on alpha because of PR 58757, I can't test. Computing d+d may be even more likely to trigger

Re: DBL_DENORM_MIN should never be 0

2014-09-11 Thread Joseph S. Myers
On Thu, 11 Sep 2014, Marc Glisse wrote: > I don't know what kind of test you have in mind, so I added a runtime test. I > am just guessing that it probably fails on alpha because of PR 58757, I can't > test. Computing d+d may be even more likely to trigger potential issues, if > that's the goal.

Re: DBL_DENORM_MIN should never be 0

2014-09-10 Thread Marc Glisse
On Wed, 10 Sep 2014, Joseph S. Myers wrote: On Wed, 10 Sep 2014, Marc Glisse wrote: Hello, according to the C++ standard, numeric_limits::denorm_min should return min (not 0) when there are no denormals. Tested with bootstrap+testsuite on x86_64-linux-gnu. I also tested a basic make all-gcc

Re: DBL_DENORM_MIN should never be 0

2014-09-10 Thread Joseph S. Myers
On Wed, 10 Sep 2014, Marc Glisse wrote: > Hello, > > according to the C++ standard, numeric_limits::denorm_min should return min > (not 0) when there are no denormals. > > Tested with bootstrap+testsuite on x86_64-linux-gnu. I also tested a basic > make all-gcc for vax (only target without denor

DBL_DENORM_MIN should never be 0

2014-09-10 Thread Marc Glisse
Hello, according to the C++ standard, numeric_limits::denorm_min should return min (not 0) when there are no denormals. Tested with bootstrap+testsuite on x86_64-linux-gnu. I also tested a basic make all-gcc for vax (only target without denormals apparently) and the macro did change as expec