Messages in this thread | | | Date | Sun, 21 Apr 2013 21:51:20 +1200 | From | Michael Cree <> | Subject | Re: Using __int128 on 64-bit architectures |
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On Sun, Apr 21, 2013 at 07:35:31PM +1000, Stephen Rothwell wrote: > On Sun, 21 Apr 2013 05:29:28 +0100 (BST) "Maciej W. Rozycki" <macro@linux-mips.org> wrote: > > > > Hmm, nobody has replied, so just FYI such widening multiplication is > > available in all 64-bit MIPS hardware and GCC has supported it since 4.4 > > or mid 2008 (older versions used a libgcc __multi3 helper, not quite so > > efficient as you can imagine). > > i.e. for gcc 4.6.3, 64 bit powerpc calls out to __multi3 > > The same is true for sparc64.
Likewise, with gcc-4.6.3, alpha calls out to __multi3.
Cheers Michael.
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