Re: [Qemu-devel] [PATCH] target-arm: Don't permit ARMv8-only Neon insns on ARMv7

2016-06-09 Thread Christophe Lyon
On 9 June 2016 at 19:15, Peter Maydell wrote: > The Neon instructions VCVTA, VCVTM, VCVTN, VCVTP, VRINTA, VRINTM, > VRINTN, VRINTP, VRINTX, and VRINTZ were only introduced with ARMv8, > so they need a guard to make them UNDEF if the CPU only supports ARMv7. > (We got this right for all the other n

[Qemu-devel] [PATCH] target-arm: Don't permit ARMv8-only Neon insns on ARMv7

2016-06-09 Thread Peter Maydell
The Neon instructions VCVTA, VCVTM, VCVTN, VCVTP, VRINTA, VRINTM, VRINTN, VRINTP, VRINTX, and VRINTZ were only introduced with ARMv8, so they need a guard to make them UNDEF if the CPU only supports ARMv7. (We got this right for all the other new-in-v8 insns, but forgot it for these Neon 2-reg-misc