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[PATCH qemu v12 12/15] target/riscv: rvv: Add tail agnostic for vector r
From: |
~eopxd |
Subject: |
[PATCH qemu v12 12/15] target/riscv: rvv: Add tail agnostic for vector reduction instructions |
Date: |
Thu, 28 Apr 2022 06:40:07 -0000 |
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>
---
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 21e20d47e5..e0fd0e62b3 100644
--- a/target/riscv/vector_helper.c
+++ b/target/riscv/vector_helper.c
@@ -4515,6 +4515,9 @@ 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)); \
\
@@ -4527,6 +4530,8 @@ 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[*]) */
@@ -4596,6 +4601,9 @@ 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)); \
\
@@ -4608,6 +4616,8 @@ 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 */
@@ -4632,6 +4642,9 @@ 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));
@@ -4645,6 +4658,8 @@ 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,
@@ -4652,6 +4667,9 @@ 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);
@@ -4665,6 +4683,8 @@ 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
- [PATCH qemu v12 03/15] target/riscv: rvv: Early exit when vstart >= vl, (continued)
- [PATCH qemu v12 03/15] target/riscv: rvv: Early exit when vstart >= vl, ~eopxd, 2022/04/28
- [PATCH qemu v12 04/15] target/riscv: rvv: Add tail agnostic for vv instructions, ~eopxd, 2022/04/28
- [PATCH qemu v12 06/15] target/riscv: rvv: Add tail agnostic for vx, vvm, vxm instructions, ~eopxd, 2022/04/28
- [PATCH qemu v12 05/15] target/riscv: rvv: Add tail agnostic for vector load / store instructions, ~eopxd, 2022/04/28
- [PATCH qemu v12 07/15] target/riscv: rvv: Add tail agnostic for vector integer shift instructions, ~eopxd, 2022/04/28
- [PATCH qemu v12 10/15] target/riscv: rvv: Add tail agnostic for vector fix-point arithmetic instructions, ~eopxd, 2022/04/28
- [PATCH qemu v12 08/15] target/riscv: rvv: Add tail agnostic for vector integer comparison instructions, ~eopxd, 2022/04/28
- [PATCH qemu v12 01/15] target/riscv: rvv: Prune redundant ESZ, DSZ parameter passed, ~eopxd, 2022/04/28
- [PATCH qemu v12 09/15] target/riscv: rvv: Add tail agnostic for vector integer merge and move instructions, ~eopxd, 2022/04/28
- [PATCH qemu v12 14/15] target/riscv: rvv: Add tail agnostic for vector permutation instructions, ~eopxd, 2022/04/28
- [PATCH qemu v12 12/15] target/riscv: rvv: Add tail agnostic for vector reduction instructions,
~eopxd <=
- [PATCH qemu v12 13/15] target/riscv: rvv: Add tail agnostic for vector mask instructions, ~eopxd, 2022/04/28
- [PATCH qemu v12 15/15] target/riscv: rvv: Add option 'rvv_ta_all_1s' to enable optional tail agnostic behavior, ~eopxd, 2022/04/28
- [PATCH qemu v12 11/15] target/riscv: rvv: Add tail agnostic for vector floating-point instructions, ~eopxd, 2022/04/28