Re: [PATCH v2 13/17] target/arm: Convert Neon fp VMUL, VMLA, VMLS 3-reg-same insns to decodetree

2020-05-13 Thread Richard Henderson
On 5/12/20 9:39 AM, Peter Maydell wrote: > Convert the Neon integer VMUL, VMLA, and VMLS 3-reg-same inssn to > decodetree. > > We don't have a gvec helper for multiply-accumulate, so VMLA and VMLS > need a loop function do_3same_fp(). This takes a reads_vd parameter > to do_3same_fp() which

[PATCH v2 13/17] target/arm: Convert Neon fp VMUL, VMLA, VMLS 3-reg-same insns to decodetree

2020-05-12 Thread Peter Maydell
Convert the Neon integer VMUL, VMLA, and VMLS 3-reg-same inssn to decodetree. We don't have a gvec helper for multiply-accumulate, so VMLA and VMLS need a loop function do_3same_fp(). This takes a reads_vd parameter to do_3same_fp() which tells it to load the old value into vd before calling the