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[RFC 39/65] target/riscv: rvv-0.9: single-width saturating add and subtr
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From: |
frank . chang |
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Subject: |
[RFC 39/65] target/riscv: rvv-0.9: single-width saturating add and subtract instructions |
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Date: |
Fri, 10 Jul 2020 18:48:53 +0800 |
From: Frank Chang <frank.chang@sifive.com>
Sign-extend vsaddu.vi immediate value.
Signed-off-by: Frank Chang <frank.chang@sifive.com>
---
target/riscv/insn_trans/trans_rvv.inc.c | 2 +-
target/riscv/vector_helper.c | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/target/riscv/insn_trans/trans_rvv.inc.c
b/target/riscv/insn_trans/trans_rvv.inc.c
index 53c8dce159..152da0bd30 100644
--- a/target/riscv/insn_trans/trans_rvv.inc.c
+++ b/target/riscv/insn_trans/trans_rvv.inc.c
@@ -2141,7 +2141,7 @@ GEN_OPIVX_TRANS(vsaddu_vx, opivx_check)
GEN_OPIVX_TRANS(vsadd_vx, opivx_check)
GEN_OPIVX_TRANS(vssubu_vx, opivx_check)
GEN_OPIVX_TRANS(vssub_vx, opivx_check)
-GEN_OPIVI_TRANS(vsaddu_vi, 1, vsaddu_vx, opivx_check)
+GEN_OPIVI_TRANS(vsaddu_vi, 0, vsaddu_vx, opivx_check)
GEN_OPIVI_TRANS(vsadd_vi, 0, vsadd_vx, opivx_check)
/* Vector Single-Width Averaging Add and Subtract */
diff --git a/target/riscv/vector_helper.c b/target/riscv/vector_helper.c
index 47ba264f1f..17a98bebe1 100644
--- a/target/riscv/vector_helper.c
+++ b/target/riscv/vector_helper.c
@@ -2324,7 +2324,7 @@ vext_vv_rm_2(void *vd, void *v0, void *vs1, void *vs2,
break;
}
- clearfn(vd, vta, vl, vl * dsz, vlmax * dsz);
+ clearfn(vd, vta, vl, vl * dsz, vlmax * dsz);
}
/* generate helpers for fixed point instructions with OPIVV format */
--
2.17.1
- Re: [RFC 13/65] target/riscv: rvv-0.9: configure instructions, (continued)
- [RFC 15/65] target/riscv: rvv-0.9: index load and store instructions, frank . chang, 2020/07/10
- [RFC 20/65] target/riscv: rvv-0.9: update vext_max_elems() for load/store insns, frank . chang, 2020/07/10
- [RFC 21/65] target/riscv: rvv-0.9: take fractional LMUL into vector max elements calculation, frank . chang, 2020/07/10
- [RFC 22/65] target/riscv: rvv-0.9: floating-point square-root instruction, frank . chang, 2020/07/10
- [RFC 28/65] target/riscv: rvv-0.9: element index instruction, frank . chang, 2020/07/10
- [RFC 32/65] target/riscv: rvv-0.9: integer extension instructions, frank . chang, 2020/07/10
- [RFC 33/65] target/riscv: rvv-0.9: single-width averaging add and subtract instructions, frank . chang, 2020/07/10
- [RFC 35/65] target/riscv: rvv-0.9: narrowing integer right shift instructions, frank . chang, 2020/07/10
- [RFC 38/65] target/riscv: rvv-0.9: integer merge and move instructions, frank . chang, 2020/07/10
- [RFC 39/65] target/riscv: rvv-0.9: single-width saturating add and subtract instructions,
frank . chang <=
- [RFC 40/65] target/riscv: rvv-0.9: integer comparison instructions, frank . chang, 2020/07/10
- [RFC 43/65] target/riscv: rvv-0.9: widening integer reduction instructions, frank . chang, 2020/07/10
- [RFC 50/65] target/riscv: rvv-0.9: floating-point/integer type-convert instructions, frank . chang, 2020/07/10
- [RFC 54/65] target/riscv: rvv-0.9: remove widening saturating scaled multiply-add, frank . chang, 2020/07/10
- [RFC 55/65] target/riscv: rvv-0.9: remove vmford.vv and vmford.vf, frank . chang, 2020/07/10
- [RFC 60/65] softfloat: add fp16 and uint8/int8 interconvert functions, frank . chang, 2020/07/10