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[PATCH 1/3] target/riscv: rvv-1.0: Call the correct RVF/RVD check funtio
From: |
frank . chang |
Subject: |
[PATCH 1/3] target/riscv: rvv-1.0: Call the correct RVF/RVD check funtion for widening fp insns |
Date: |
Wed, 29 Dec 2021 10:12:46 +0800 |
From: Frank Chang <frank.chang@sifive.com>
Vector widening floating-point instructions should use
require_scale_rvf() instead of require_rvf() to check whether RVF/RVD is
enabled.
---
target/riscv/insn_trans/trans_rvv.c.inc | 12 ++++++++----
1 file changed, 8 insertions(+), 4 deletions(-)
diff --git a/target/riscv/insn_trans/trans_rvv.c.inc
b/target/riscv/insn_trans/trans_rvv.c.inc
index 5e3f7fdb77..8d92243f2b 100644
--- a/target/riscv/insn_trans/trans_rvv.c.inc
+++ b/target/riscv/insn_trans/trans_rvv.c.inc
@@ -2254,7 +2254,8 @@ GEN_OPFVF_TRANS(vfrsub_vf, opfvf_check)
static bool opfvv_widen_check(DisasContext *s, arg_rmrr *a)
{
return require_rvv(s) &&
- require_rvf(s) &&
+ require_scale_rvf(s) &&
+ (s->sew != MO_8) &&
vext_check_isa_ill(s) &&
vext_check_dss(s, a->rd, a->rs1, a->rs2, a->vm);
}
@@ -2292,7 +2293,8 @@ GEN_OPFVV_WIDEN_TRANS(vfwsub_vv, opfvv_widen_check)
static bool opfvf_widen_check(DisasContext *s, arg_rmrr *a)
{
return require_rvv(s) &&
- require_rvf(s) &&
+ require_scale_rvf(s) &&
+ (s->sew != MO_8) &&
vext_check_isa_ill(s) &&
vext_check_ds(s, a->rd, a->rs2, a->vm);
}
@@ -2321,7 +2323,8 @@ GEN_OPFVF_WIDEN_TRANS(vfwsub_vf)
static bool opfwv_widen_check(DisasContext *s, arg_rmrr *a)
{
return require_rvv(s) &&
- require_rvf(s) &&
+ require_scale_rvf(s) &&
+ (s->sew != MO_8) &&
vext_check_isa_ill(s) &&
vext_check_dds(s, a->rd, a->rs1, a->rs2, a->vm);
}
@@ -2359,7 +2362,8 @@ GEN_OPFWV_WIDEN_TRANS(vfwsub_wv)
static bool opfwf_widen_check(DisasContext *s, arg_rmrr *a)
{
return require_rvv(s) &&
- require_rvf(s) &&
+ require_scale_rvf(s) &&
+ (s->sew != MO_8) &&
vext_check_isa_ill(s) &&
vext_check_dd(s, a->rd, a->rs2, a->vm);
}
--
2.31.1