Re: [PATCH v12 08/61] target/riscv: add fault-only-first unit stride load

2022-12-17 Thread Richard Henderson
On 12/17/22 10:21, Philippe Mathieu-Daudé wrote: (unburying an old patch) On 1/7/20 17:24, LIU Zhiwei wrote: The unit-stride fault-only-fault load instructions are used to vectorize loops with data-dependent exit conditions(while loops). These instructions execute as a regular load except that

Re: [PATCH v12 08/61] target/riscv: add fault-only-first unit stride load

2022-12-17 Thread Philippe Mathieu-Daudé
(unburying an old patch) On 1/7/20 17:24, LIU Zhiwei wrote: The unit-stride fault-only-fault load instructions are used to vectorize loops with data-dependent exit conditions(while loops). These instructions execute as a regular load except that they will only take a trap on element 0. Signed-o

[PATCH v12 08/61] target/riscv: add fault-only-first unit stride load

2020-07-01 Thread LIU Zhiwei
The unit-stride fault-only-fault load instructions are used to vectorize loops with data-dependent exit conditions(while loops). These instructions execute as a regular load except that they will only take a trap on element 0. Signed-off-by: LIU Zhiwei Reviewed-by: Alistair Francis Reviewed-by: