motorhead/qemu
1
0
Fork 0
mirror of https://github.com/Motorhead1991/qemu.git synced 2025-08-11 03:24:58 -06:00
Code Issues Projects Releases Packages Wiki Activity Actions

target/riscv: rvv: Add tail agnostic for vector reduction instructions

Browse source 
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>
Message-Id: <165449614532.19704.7000832880482980398-13@git.sr.ht>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
This commit is contained in:
eopXD 2022-06-06 06:16:16 +00:00 • committed by Alistair Francis
parent 5eacf7d8a0
commit df4f52a758
1 changed files with 20 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

20
target/riscv/vector_helper.c
View file

@ -4535,6 +4535,9 @@ void HELPER(NAME)(void *vd, void *v0, void *vs1, \
{ \ { \
uint32_t vm = vext_vm(desc); \ uint32_t vm = vext_vm(desc); \
uint32_t vl = env->vl; \ 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; \ uint32_t i; \
TD s1 = *((TD *)vs1 + HD(0)); \ TD s1 = *((TD *)vs1 + HD(0)); \
\ \
@ -4547,6 +4550,8 @@ void HELPER(NAME)(void *vd, void *v0, void *vs1, \
} \ } \
*((TD *)vd + HD(0)) = s1; \ *((TD *)vd + HD(0)) = s1; \
env->vstart = 0; \ env->vstart = 0; \
/* set tail elements to 1s */ \
vext_set_elems_1s(vd, vta, esz, vlenb); \
} }
/* vd[0] = sum(vs1[0], vs2[*]) */ /* vd[0] = sum(vs1[0], vs2[*]) */
@ -4616,6 +4621,9 @@ void HELPER(NAME)(void *vd, void *v0, void *vs1, \
{ \ { \
uint32_t vm = vext_vm(desc); \ uint32_t vm = vext_vm(desc); \
uint32_t vl = env->vl; \ 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; \ uint32_t i; \
TD s1 = *((TD *)vs1 + HD(0)); \ TD s1 = *((TD *)vs1 + HD(0)); \
\ \
@ -4628,6 +4636,8 @@ void HELPER(NAME)(void *vd, void *v0, void *vs1, \
} \ } \
*((TD *)vd + HD(0)) = s1; \ *((TD *)vd + HD(0)) = s1; \
env->vstart = 0; \ env->vstart = 0; \
/* set tail elements to 1s */ \
vext_set_elems_1s(vd, vta, esz, vlenb); \
} }
/* Unordered sum */ /* Unordered sum */
@ -4652,6 +4662,9 @@ void HELPER(vfwredsum_vs_h)(void *vd, void *v0, void *vs1,
{ {
uint32_t vm = vext_vm(desc); uint32_t vm = vext_vm(desc);
uint32_t vl = env->vl; 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 i;
uint32_t s1 = *((uint32_t *)vs1 + H4(0)); uint32_t s1 = *((uint32_t *)vs1 + H4(0));
@ -4665,6 +4678,8 @@ void HELPER(vfwredsum_vs_h)(void *vd, void *v0, void *vs1,
} }
*((uint32_t *)vd + H4(0)) = s1; *((uint32_t *)vd + H4(0)) = s1;
env->vstart = 0; 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, void HELPER(vfwredsum_vs_w)(void *vd, void *v0, void *vs1,
@ -4672,6 +4687,9 @@ void HELPER(vfwredsum_vs_w)(void *vd, void *v0, void *vs1,
{ {
uint32_t vm = vext_vm(desc); uint32_t vm = vext_vm(desc);
uint32_t vl = env->vl; 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; uint32_t i;
uint64_t s1 = *((uint64_t *)vs1); uint64_t s1 = *((uint64_t *)vs1);
@ -4685,6 +4703,8 @@ void HELPER(vfwredsum_vs_w)(void *vd, void *v0, void *vs1,
} }
*((uint64_t *)vd) = s1; *((uint64_t *)vd) = s1;
env->vstart = 0; env->vstart = 0;
/* set tail elements to 1s */
vext_set_elems_1s(vd, vta, esz, vlenb);
} }
/* /*