diff options
Diffstat (limited to 'target/riscv/vector_helper.c')
| -rw-r--r-- | target/riscv/vector_helper.c | 33 |
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 */ |