Re: [Qemu-devel] [PATCH 02/10] target-arm: A64: Fix vector register access on bigendian hosts

[Richard Henderson]

On 12/30/2013 07:28 AM, Peter Maydell wrote:
> Yeah, we could do that. Will the optimiser optimise away the unnecessary
> extra load of the unused high 32 bits for the "32 bit or smaller" case on
> a 32 bit host CPU?

It should.

We do transform qemu_st_i64 to qemu_st_i32 as appropriate for 32-bit hosts,
making the high part of the tcg ld_i64 dead.


r~