Re: [PATCH, RFC] Proposed PowerPC IEEE 128-bit floating point changes

2017-07-31 Thread Joseph Myers
On Fri, 21 Jul 2017, Michael Meissner wrote: > The first change is to enable the C language to use _Float128 keyword (but not > __float128) without having to use the -mfloat128 option on power7-power9 > systems. My question is in the TR that introduced _Float128, is there any > expectation that

Re: [PATCH, RFC] Proposed PowerPC IEEE 128-bit floating point changes

2017-07-24 Thread Segher Boessenkool
On Fri, Jul 21, 2017 at 03:17:57PM -0400, Michael Meissner wrote: > The first change is to enable the C language to use _Float128 keyword (but not > __float128) without having to use the -mfloat128 option on power7-power9 > systems. My question is in the TR that introduced _Float128, is there any

[PATCH, RFC] Proposed PowerPC IEEE 128-bit floating point changes

2017-07-21 Thread Michael Meissner
This patch makes some changes to the way the PowerPC handles IEEE 128-bit floating point, and I wanted to point out where I would like to change the compiler, but be open to doing it in other ways. There are 3 changes in this patch, and presumably more work to do beyond this patch. The first