Julian Brown writes:
>> > 2. Builtins (__builtin_neon_*) which previously used "big" integer
>> > modes to pass/return values, are initialised such that they
>> > directly pass/return the struct types above instead. The intrinsic
>> > wrappers in arm_neon.h no longer need to use unions to pun the
On Tue, 22 Feb 2011 09:42:15 +
Richard Sandiford wrote:
> Julian Brown writes:
> > Richard Sandiford wrote:
> > 1. Struct (tree) types are defined via hard-wired code in the ARM
> > backend rather than in arm_neon.h. The "type mode" of those struct
> > types is overridden to be an extra-wid
Julian Brown writes:
> Richard Sandiford wrote:
>> One of the vectorisation discussions from last year was about the poor
>> code GCC generates for vld{2,3,4}_*() and vst{2,3,4}_*(). It forces
>> the result of the loads onto the stack, then loads the individual
>> pieces from there. It does the
One of the vectorisation discussions from last year was about the poor
code GCC generates for vld{2,3,4}_*() and vst{2,3,4}_*(). It forces the
result of the loads onto the stack, then loads the individual pieces from
there. It does the same thing in reverse for stores.
I think there are two majo
