Re: [PATCH] libstdc++ testsuite/std/ranges/iota/max_size_type.cc: Reduce /10 for simulators

2023-12-31 Thread Hans-Peter Nilsson
On Sat, 30 Dec 2023, Hans-Peter Nilsson wrote: > On Sat, 30 Dec 2023, Jonathan Wakely wrote: > > > On Sat, 30 Dec 2023, 01:41 Hans-Peter Nilsson, wrote: > > > Or perhaps the cause is known? > > > > Not to me. It probably is a target codegen bug, since all this test really > > does is emulate a

Re: [PATCH] libstdc++ testsuite/std/ranges/iota/max_size_type.cc: Reduce /10 for simulators

2023-12-30 Thread Hans-Peter Nilsson
On Sat, 30 Dec 2023, Jonathan Wakely wrote: > On Sat, 30 Dec 2023, 01:41 Hans-Peter Nilsson, wrote: > > Or perhaps the cause is known? > > Not to me. It probably is a target codegen bug, since all this test really > does is emulate a wide integer type using masks and shifts. If so, a generic

Re: [PATCH] libstdc++ testsuite/std/ranges/iota/max_size_type.cc: Reduce /10 for simulators

2023-12-30 Thread Jonathan Wakely
On Sat, 30 Dec 2023, 01:41 Hans-Peter Nilsson, wrote: > I'm not completely sure I got the intent of the "log2_limit", > or whether "limit" is sane to decrease like this; it just > looked like an obvious and safe reduction. Also, I verified > the 10+ minute runtime, on this same host (clocked at

[PATCH] libstdc++ testsuite/std/ranges/iota/max_size_type.cc: Reduce /10 for simulators

2023-12-29 Thread Hans-Peter Nilsson
I'm not completely sure I got the intent of the "log2_limit", or whether "limit" is sane to decrease like this; it just looked like an obvious and safe reduction. Also, I verified the 10+ minute runtime, on this same host (clocked at 11:43.61 elapsed time) for a r12-2797-g307e0d40367996 build