| commit | 022b4ecf775ffeff522eaea4f0d94edcfe00a0a9 | |
| author | LIU Zhiwei <zhiwei_liu@c-sky.com> | |
| Wed, 1 Jul 2020 15:24:56 +0000 (1 23:24 +0800) | ||
| committer | Alistair Francis <alistair.francis@wdc.com> | |
| Thu, 2 Jul 2020 16:19:33 +0000 (2 09:19 -0700) | ||
| tree | 57d8b26a43a6f22733b16f15d7ec4a8e9eeb08c9 | treesnapshot (tar.gz zip) |
| parent | f732560e3551c0823cee52efba993fbb8f689a36 | commitdiff |
target/riscv: add fault-only-first unit stride load
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 <zhiwei_liu@c-sky.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20200701152549.1218-9-zhiwei_liu@c-sky.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
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 <zhiwei_liu@c-sky.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20200701152549.1218-9-zhiwei_liu@c-sky.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>