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[PATCH qemu v8 12/14] target/riscv: rvv: Add tail agnostic for vector re
From: |
~eopxd |
Subject: |
[PATCH qemu v8 12/14] target/riscv: rvv: Add tail agnostic for vector reduction instructions |
Date: |
Tue, 26 Apr 2022 18:12:28 -0000 |
From: eopXD <eop.chen@sifive.com>
Signed-off-by: eop Chen <eop.chen@sifive.com>
Reviewed-by: Frank Chang <frank.chang@sifive.com>
---
target/riscv/vector_helper.c | 22 ++++++++++++++++++++++
1 file changed, 22 insertions(+)
diff --git a/target/riscv/vector_helper.c b/target/riscv/vector_helper.c
index a85a0c667e..7884314779 100644
--- a/target/riscv/vector_helper.c
+++ b/target/riscv/vector_helper.c
@@ -4533,6 +4533,9 @@ 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)); \
\
@@ -4545,6 +4548,9 @@ 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_fns[ctzl(esz)](vd, vta, 1, esz, \
+ vlenb); \
}
/* vd[0] = sum(vs1[0], vs2[*]) */
@@ -4614,6 +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)); \
\
@@ -4626,6 +4635,9 @@ 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_fns[ctzl(esz)](vd, vta, 1, esz, \
+ vlenb); \
}
/* Unordered sum */
@@ -4650,6 +4662,9 @@ 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));
@@ -4663,6 +4678,8 @@ 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_fns[ctzl(esz)](vd, vta, 1, esz, vlenb);
}
void HELPER(vfwredsum_vs_w)(void *vd, void *v0, void *vs1,
@@ -4670,6 +4687,9 @@ 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);
@@ -4683,6 +4703,8 @@ 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_fns[ctzl(esz)](vd, vta, 1, esz, vlenb);
}
/*
--
2.34.2
- [PATCH qemu v8 00/14] Add tail agnostic behavior for rvv instructions, ~eopxd, 2022/04/26
- [PATCH qemu v8 03/14] target/riscv: rvv: Early exit when vstart >= vl, ~eopxd, 2022/04/26
- [PATCH qemu v8 02/14] target/riscv: rvv: Rename ambiguous esz, ~eopxd, 2022/04/26
- [PATCH qemu v8 06/14] target/riscv: rvv: Add tail agnostic for vx, vvm, vxm instructions, ~eopxd, 2022/04/26
- [PATCH qemu v8 01/14] target/riscv: rvv: Prune redundant ESZ, DSZ parameter passed, ~eopxd, 2022/04/26
- [PATCH qemu v8 08/14] target/riscv: rvv: Add tail agnostic for vector integer comparison instructions, ~eopxd, 2022/04/26
- [PATCH qemu v8 09/14] target/riscv: rvv: Add tail agnostic for vector integer merge and move instructions, ~eopxd, 2022/04/26
- [PATCH qemu v8 04/14] target/riscv: rvv: Add tail agnostic for vv instructions, ~eopxd, 2022/04/26
- [PATCH qemu v8 05/14] target/riscv: rvv: Add tail agnostic for vector load / store instructions, ~eopxd, 2022/04/26
- [PATCH qemu v8 07/14] target/riscv: rvv: Add tail agnostic for vector integer shift instructions, ~eopxd, 2022/04/26
- [PATCH qemu v8 12/14] target/riscv: rvv: Add tail agnostic for vector reduction instructions,
~eopxd <=
- [PATCH qemu v8 10/14] target/riscv: rvv: Add tail agnostic for vector fix-point arithmetic instructions, ~eopxd, 2022/04/26
- [PATCH qemu v8 13/14] target/riscv: rvv: Add tail agnostic for vector mask instructions, ~eopxd, 2022/04/26
- [PATCH qemu v8 14/14] target/riscv: rvv: Add tail agnostic for vector permutation instructions, ~eopxd, 2022/04/26
- [PATCH qemu v8 11/14] target/riscv: rvv: Add tail agnostic for vector floating-point instructions, ~eopxd, 2022/04/26