aboutsummaryrefslogtreecommitdiff
path: root/target/riscv/vector_helper.c
diff options
context:
space:
mode:
Diffstat (limited to 'target/riscv/vector_helper.c')
-rw-r--r--target/riscv/vector_helper.c33
1 files changed, 12 insertions, 21 deletions
diff --git a/target/riscv/vector_helper.c b/target/riscv/vector_helper.c
index f4d0438988..1e06e7447c 100644
--- a/target/riscv/vector_helper.c
+++ b/target/riscv/vector_helper.c
@@ -169,7 +169,7 @@ static inline uint32_t vext_get_total_elems(CPURISCVState *env, uint32_t desc,
static inline target_ulong adjust_addr(CPURISCVState *env, target_ulong addr)
{
- return (addr & env->cur_pmmask) | env->cur_pmbase;
+ return (addr & ~env->cur_pmmask) | env->cur_pmbase;
}
/*
@@ -264,26 +264,21 @@ GEN_VEXT_ST_ELEM(ste_h, int16_t, H2, stw)
GEN_VEXT_ST_ELEM(ste_w, int32_t, H4, stl)
GEN_VEXT_ST_ELEM(ste_d, int64_t, H8, stq)
-static void vext_set_tail_elems_1s(CPURISCVState *env, target_ulong vl,
- void *vd, uint32_t desc, uint32_t nf,
+static void vext_set_tail_elems_1s(target_ulong vl, void *vd,
+ uint32_t desc, uint32_t nf,
uint32_t esz, uint32_t max_elems)
{
- uint32_t total_elems = vext_get_total_elems(env, desc, esz);
- uint32_t vlenb = riscv_cpu_cfg(env)->vlen >> 3;
uint32_t vta = vext_vta(desc);
- uint32_t registers_used;
int k;
+ if (vta == 0) {
+ return;
+ }
+
for (k = 0; k < nf; ++k) {
vext_set_elems_1s(vd, vta, (k * max_elems + vl) * esz,
(k * max_elems + max_elems) * esz);
}
-
- if (nf * max_elems % total_elems != 0) {
- registers_used = ((nf * max_elems) * esz + (vlenb - 1)) / vlenb;
- vext_set_elems_1s(vd, vta, (nf * max_elems) * esz,
- registers_used * vlenb);
- }
}
/*
@@ -319,7 +314,7 @@ vext_ldst_stride(void *vd, void *v0, target_ulong base,
}
env->vstart = 0;
- vext_set_tail_elems_1s(env, env->vl, vd, desc, nf, esz, max_elems);
+ vext_set_tail_elems_1s(env->vl, vd, desc, nf, esz, max_elems);
}
#define GEN_VEXT_LD_STRIDE(NAME, ETYPE, LOAD_FN) \
@@ -378,12 +373,12 @@ vext_ldst_us(void *vd, target_ulong base, CPURISCVState *env, uint32_t desc,
}
env->vstart = 0;
- vext_set_tail_elems_1s(env, evl, vd, desc, nf, esz, max_elems);
+ vext_set_tail_elems_1s(evl, vd, desc, nf, esz, max_elems);
}
/*
* masked unit-stride load and store operation will be a special case of
- * stride, stride = NF * sizeof (MTYPE)
+ * stride, stride = NF * sizeof (ETYPE)
*/
#define GEN_VEXT_LD_US(NAME, ETYPE, LOAD_FN) \
@@ -499,7 +494,7 @@ vext_ldst_index(void *vd, void *v0, target_ulong base,
}
env->vstart = 0;
- vext_set_tail_elems_1s(env, env->vl, vd, desc, nf, esz, max_elems);
+ vext_set_tail_elems_1s(env->vl, vd, desc, nf, esz, max_elems);
}
#define GEN_VEXT_LD_INDEX(NAME, ETYPE, INDEX_FN, LOAD_FN) \
@@ -629,7 +624,7 @@ ProbeSuccess:
}
env->vstart = 0;
- vext_set_tail_elems_1s(env, env->vl, vd, desc, nf, esz, max_elems);
+ vext_set_tail_elems_1s(env->vl, vd, desc, nf, esz, max_elems);
}
#define GEN_VEXT_LDFF(NAME, ETYPE, LOAD_FN) \
@@ -655,10 +650,6 @@ GEN_VEXT_LDFF(vle64ff_v, int64_t, lde_d)
#define DO_MAX(N, M) ((N) >= (M) ? (N) : (M))
#define DO_MIN(N, M) ((N) >= (M) ? (M) : (N))
-/* Unsigned min/max */
-#define DO_MAXU(N, M) DO_MAX((UMTYPE)N, (UMTYPE)M)
-#define DO_MINU(N, M) DO_MIN((UMTYPE)N, (UMTYPE)M)
-
/*
* load and store whole register instructions
*/