Re: [RFC v2 59/76] target/riscv: rvv-0.9: floating-point slide instructions

2020-08-03 Thread Richard Henderson
On 8/3/20 3:35 AM, Frank Chang wrote: > i.e. > /DEF_HELPER_6(vslide1up_vx_w, void, ptr, ptr, *tl*, ptr, env, i32)/ vs. > /DEF_HELPER_6(vfslide1up_vf_h, void, ptr, ptr, *i64*, ptr, env, i32)/ > > As /opfvf_trans()/ and /opivx_trans()/ are shared among other instructions, > I wouldn't like to make p

Re: [RFC v2 59/76] target/riscv: rvv-0.9: floating-point slide instructions

2020-08-03 Thread Frank Chang
On Sat, Aug 1, 2020 at 12:05 AM Richard Henderson < richard.hender...@linaro.org> wrote: > On 7/22/20 2:16 AM, frank.ch...@sifive.com wrote: > > +DEF_HELPER_6(vfslide1up_vf_h, void, ptr, ptr, i64, ptr, env, i32) > > +DEF_HELPER_6(vfslide1up_vf_w, void, ptr, ptr, i64, ptr, env, i32) > > +DEF_HELPER

Re: [RFC v2 59/76] target/riscv: rvv-0.9: floating-point slide instructions

2020-07-31 Thread Richard Henderson
On 7/22/20 2:16 AM, frank.ch...@sifive.com wrote: > +DEF_HELPER_6(vfslide1up_vf_h, void, ptr, ptr, i64, ptr, env, i32) > +DEF_HELPER_6(vfslide1up_vf_w, void, ptr, ptr, i64, ptr, env, i32) > +DEF_HELPER_6(vfslide1up_vf_d, void, ptr, ptr, i64, ptr, env, i32) > +DEF_HELPER_6(vfslide1down_vf_h, void, p

[RFC v2 59/76] target/riscv: rvv-0.9: floating-point slide instructions

2020-07-22 Thread frank . chang
From: Frank Chang Add the following instructions: * vfslide1up.vf * vfslide1down.vf Signed-off-by: Frank Chang --- target/riscv/helper.h | 7 target/riscv/insn32.decode | 2 + target/riscv/insn_trans/trans_rvv.inc.c | 4 ++ target/riscv/vector_helper.c