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From: Peter Maydell <peter.maydell@linaro.org>
To: qemu-arm@nongnu.org,
qemu-devel@nongnu.org
Subject: [PATCH v2 17/69] target/arm: Handle FPCR.NEP for 3-input scalar
operations
Date: Sat, 1 Feb 2025 16:39:20 +0000
Message-Id: <20250201164012.1660228-18-peter.maydell@linaro.org>
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Handle FPCR.NEP for the 3-input scalar operations which use
do_fmla_scalar_idx() and do_fmadd(), by making them call the
appropriate write_fp_*reg_merging() functions.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
---
target/arm/tcg/translate-a64.c | 12 ++++++------
1 file changed, 6 insertions(+), 6 deletions(-)
diff --git a/target/arm/tcg/translate-a64.c b/target/arm/tcg/translate-a64.c
index e45d96763fd..96696c342a9 100644
--- a/target/arm/tcg/translate-a64.c
+++ b/target/arm/tcg/translate-a64.c
@@ -6356,7 +6356,7 @@ static bool do_fmla_scalar_idx(DisasContext *s, arg_r=
rx_e *a, bool neg)
gen_vfp_negd(t1, t1);
}
gen_helper_vfp_muladdd(t0, t1, t2, t0, fpstatus_ptr(FPST_A64));
- write_fp_dreg(s, a->rd, t0);
+ write_fp_dreg_merging(s, a->rd, a->rd, t0);
}
break;
case MO_32:
@@ -6370,7 +6370,7 @@ static bool do_fmla_scalar_idx(DisasContext *s, arg_r=
rx_e *a, bool neg)
gen_vfp_negs(t1, t1);
}
gen_helper_vfp_muladds(t0, t1, t2, t0, fpstatus_ptr(FPST_A64));
- write_fp_sreg(s, a->rd, t0);
+ write_fp_sreg_merging(s, a->rd, a->rd, t0);
}
break;
case MO_16:
@@ -6388,7 +6388,7 @@ static bool do_fmla_scalar_idx(DisasContext *s, arg_r=
rx_e *a, bool neg)
}
gen_helper_advsimd_muladdh(t0, t1, t2, t0,
fpstatus_ptr(FPST_A64_F16));
- write_fp_sreg(s, a->rd, t0);
+ write_fp_hreg_merging(s, a->rd, a->rd, t0);
}
break;
default:
@@ -6867,7 +6867,7 @@ static bool do_fmadd(DisasContext *s, arg_rrrr_e *a, =
bool neg_a, bool neg_n)
}
fpst =3D fpstatus_ptr(FPST_A64);
gen_helper_vfp_muladdd(ta, tn, tm, ta, fpst);
- write_fp_dreg(s, a->rd, ta);
+ write_fp_dreg_merging(s, a->rd, a->ra, ta);
}
break;
=20
@@ -6885,7 +6885,7 @@ static bool do_fmadd(DisasContext *s, arg_rrrr_e *a, =
bool neg_a, bool neg_n)
}
fpst =3D fpstatus_ptr(FPST_A64);
gen_helper_vfp_muladds(ta, tn, tm, ta, fpst);
- write_fp_sreg(s, a->rd, ta);
+ write_fp_sreg_merging(s, a->rd, a->ra, ta);
}
break;
=20
@@ -6906,7 +6906,7 @@ static bool do_fmadd(DisasContext *s, arg_rrrr_e *a, =
bool neg_a, bool neg_n)
}
fpst =3D fpstatus_ptr(FPST_A64_F16);
gen_helper_advsimd_muladdh(ta, tn, tm, ta, fpst);
- write_fp_sreg(s, a->rd, ta);
+ write_fp_hreg_merging(s, a->rd, a->ra, ta);
}
break;
=20
--=20
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