From: eopXD <eop.chen@sifive.com>
Signed-off-by: eop Chen <eop.chen@sifive.com>
Reviewed-by: Frank Chang <frank.chang@sifive.com>
Reviewed-by: Weiwei Li <liweiwei@iscas.ac.cn>
Acked-by: Alistair Francis <alistair.francis@wdc.com>
---
target/riscv/vector_helper.c | 20 ++++++++++++++++++++
1 file changed, 20 insertions(+)
diff --git a/target/riscv/vector_helper.c b/target/riscv/vector_helper.c
index 8ac7fabb05..2ab4308ef0 100644
--- a/target/riscv/vector_helper.c
+++ b/target/riscv/vector_helper.c
@@ -4534,6 +4534,9 @@ void HELPER(NAME)(void *vd, void *v0, void *vs1, \
{ \
uint32_t vm = vext_vm(desc); \
uint32_t vl = env->vl; \
+ uint32_t esz = sizeof(TD); \
+ uint32_t vlenb = simd_maxsz(desc); \
+ uint32_t vta = vext_vta(desc); \
uint32_t i; \
TD s1 = *((TD *)vs1 + HD(0)); \
\
@@ -4546,6 +4549,8 @@ void HELPER(NAME)(void *vd, void *v0, void *vs1, \
} \
*((TD *)vd + HD(0)) = s1; \
env->vstart = 0; \
+ /* set tail elements to 1s */ \
+ vext_set_elems_1s(vd, vta, esz, vlenb); \
}
/* vd[0] = sum(vs1[0], vs2[*]) */
@@ -4615,6 +4620,9 @@ void HELPER(NAME)(void *vd, void *v0, void *vs1, \
{ \
uint32_t vm = vext_vm(desc); \
uint32_t vl = env->vl; \
+ uint32_t esz = sizeof(TD); \
+ uint32_t vlenb = simd_maxsz(desc); \
+ uint32_t vta = vext_vta(desc); \
uint32_t i; \
TD s1 = *((TD *)vs1 + HD(0)); \
\
@@ -4627,6 +4635,8 @@ void HELPER(NAME)(void *vd, void *v0, void *vs1, \
} \
*((TD *)vd + HD(0)) = s1; \
env->vstart = 0; \
+ /* set tail elements to 1s */ \
+ vext_set_elems_1s(vd, vta, esz, vlenb); \
}
/* Unordered sum */
@@ -4651,6 +4661,9 @@ void HELPER(vfwredsum_vs_h)(void *vd, void *v0, void *vs1,
{
uint32_t vm = vext_vm(desc);
uint32_t vl = env->vl;
+ uint32_t esz = sizeof(uint32_t);
+ uint32_t vlenb = simd_maxsz(desc);
+ uint32_t vta = vext_vta(desc);
uint32_t i;
uint32_t s1 = *((uint32_t *)vs1 + H4(0));
@@ -4664,6 +4677,8 @@ void HELPER(vfwredsum_vs_h)(void *vd, void *v0, void *vs1,
}
*((uint32_t *)vd + H4(0)) = s1;
env->vstart = 0;
+ /* set tail elements to 1s */
+ vext_set_elems_1s(vd, vta, esz, vlenb);
}
void HELPER(vfwredsum_vs_w)(void *vd, void *v0, void *vs1,
@@ -4671,6 +4686,9 @@ void HELPER(vfwredsum_vs_w)(void *vd, void *v0, void *vs1,
{
uint32_t vm = vext_vm(desc);
uint32_t vl = env->vl;
+ uint32_t esz = sizeof(uint64_t);
+ uint32_t vlenb = simd_maxsz(desc);
+ uint32_t vta = vext_vta(desc);
uint32_t i;
uint64_t s1 = *((uint64_t *)vs1);
@@ -4684,6 +4702,8 @@ void HELPER(vfwredsum_vs_w)(void *vd, void *v0, void *vs1,
}
*((uint64_t *)vd) = s1;
env->vstart = 0;
+ /* set tail elements to 1s */
+ vext_set_elems_1s(vd, vta, esz, vlenb);
}
/*
--
2.34.2