diff options
| author | Max Chou <max.chou@sifive.com> | 2024-09-19 01:14:07 +0800 |
|---|---|---|
| committer | Alistair Francis <alistair.francis@wdc.com> | 2024-11-07 08:22:48 +1000 |
| commit | 2f077842f2b356a086f70e54c831be53c6f0e101 (patch) | |
| tree | 46c04a176a5f8903818d46ebf22480cd31e662b2 /target | |
| parent | b48381b1ee55053dfad6f5c10ca277bef29ee7c5 (diff) | |
target/riscv: rvv: Replace VSTART_CHECK_EARLY_EXIT in vext_ldst_us
Because the real vl (evl) of vext_ldst_us may be different (e.g.
vlm.v/vsm.v/etc.), so the VSTART_CHECK_EARLY_EXIT checking function
should be replaced by checking evl in vext_ldst_us.
Signed-off-by: Max Chou <max.chou@sifive.com>
Reviewed-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
Message-ID: <20240918171412.150107-3-max.chou@sifive.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Diffstat (limited to 'target')
| -rw-r--r-- | target/riscv/vector_helper.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/target/riscv/vector_helper.c b/target/riscv/vector_helper.c index ccb32e6122..93cac23a13 100644 --- a/target/riscv/vector_helper.c +++ b/target/riscv/vector_helper.c @@ -277,7 +277,10 @@ vext_ldst_us(void *vd, target_ulong base, CPURISCVState *env, uint32_t desc, uint32_t max_elems = vext_max_elems(desc, log2_esz); uint32_t esz = 1 << log2_esz; - VSTART_CHECK_EARLY_EXIT(env); + if (env->vstart >= evl) { + env->vstart = 0; + return; + } /* load bytes from guest memory */ for (i = env->vstart; i < evl; env->vstart = ++i) { |