Messages in this thread | | | From | Jeffrey Walton <> | Date | Wed, 24 Jan 2018 11:38:42 -0500 | Subject | Re: [PATCH RFC 0/3] API for 128-bit IO access |
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On Wed, Jan 24, 2018 at 4:05 AM, Yury Norov <ynorov@caviumnetworks.com> wrote: > > ... > With all that, this example code: > > static int __init 128bit_test(void) > { > __uint128_t v; > __uint128_t addr; > __uint128_t val = (__uint128_t) 0x1234567890abc; > ...
In case it matters, you can check for GCC support of the 128-bit types in userland with:
#if (__SIZEOF_INT128__ >= 16) ... #endif
Also see https://gcc.gnu.org/ml/gcc-help/2015-08/msg00185.html .
Jeff
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