ShuriZma
/
xemu
mirror of https://github.com/xemu-project/xemu.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

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>
This commit is contained in:
Max Chou 2024-09-19 01:14:07 +08:00 committed by Alistair Francis
parent b48381b1ee
commit 2f077842f2
1 changed files with 4 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
target/riscv/vector_helper.c
View File

@ -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) {