Re: [PATCH for 9.0 v15 04/10] target/riscv: always clear vstart in whole vec move insns

On 2024/3/15 1:56, Daniel Henrique Barboza wrote: These insns have 2 paths: we'll either have vstart already cleared if vstart_eq_zero or we'll do a brcond to check if vstart >= maxsz to call the 'vmvr_v' helper. The helper will clear vstart if it executes until the end, or if vstart >= vl.

Re: [PATCH for 9.0 v15 04/10] target/riscv: always clear vstart in whole vec move insns

On Fri, Mar 15, 2024 at 3:58 AM Daniel Henrique Barboza wrote: > > These insns have 2 paths: we'll either have vstart already cleared if > vstart_eq_zero or we'll do a brcond to check if vstart >= maxsz to call > the 'vmvr_v' helper. The helper will clear vstart if it executes until > the end, or

Re: [PATCH for 9.0 v15 04/10] target/riscv: always clear vstart in whole vec move insns

On 3/14/24 07:56, Daniel Henrique Barboza wrote: These insns have 2 paths: we'll either have vstart already cleared if vstart_eq_zero or we'll do a brcond to check if vstart >= maxsz to call the 'vmvr_v' helper. The helper will clear vstart if it executes until the end, or if vstart >= vl. For

[PATCH for 9.0 v15 04/10] target/riscv: always clear vstart in whole vec move insns

These insns have 2 paths: we'll either have vstart already cleared if vstart_eq_zero or we'll do a brcond to check if vstart >= maxsz to call the 'vmvr_v' helper. The helper will clear vstart if it executes until the end, or if vstart >= vl. For starters, the check itself is wrong: we're checking