On 23/01/14 11:12, Dallman, John wrote: >> Do any common platforms, other than x86/x86_64, offer more-than-64-bit "long >> double"? > > Not that they support as full speed hardware operations, AFAIK. SPARC has > defined > registers and instructions for 128-bit floating point, but implements them as > sequences of operations on 64-bit floats, so they aren't terribly fast. > > IBM System/390 onwards supports 128-bit float in hardware, according to > Wikipedia.
Yes, s390 does use 128 bit float for long-double (if -mlong-double-128 is used, which is the default for a while). The valgrind port of s390x supports that, but I think that the valgrind test coverage for 128 bit float is not that good. Christian ------------------------------------------------------------------------------ CenturyLink Cloud: The Leader in Enterprise Cloud Services. Learn Why More Businesses Are Choosing CenturyLink Cloud For Critical Workloads, Development Environments & Everything In Between. Get a Quote or Start a Free Trial Today. http://pubads.g.doubleclick.net/gampad/clk?id=119420431&iu=/4140/ostg.clktrk _______________________________________________ Valgrind-users mailing list Valgrind-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/valgrind-users