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target/arm: Use correct FPST for VCMLA, VCADD on fp16

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When we implemented the VCMLA and VCADD insns we put in the
code to handle fp16, but left it using the standard fp status
flags. Correct them to use FPST_STD_F16 for fp16 operations.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Message-id: 20200806104453.30393-5-peter.maydell@linaro.org
This commit is contained in:
Peter Maydell
2020-08-24 10:15:12 +01:00
parent aaae563bc7
commit b34aa5129e
1 changed files with 3 additions and 3 deletions
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target/arm/translate-neon.c.inc
+3 -3
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@@ -181,7 +181,7 @@ static bool trans_VCMLA(DisasContext *s, arg_VCMLA *a)
}
opr_sz = (1 + a->q) * 8;
fpst = fpstatus_ptr(FPST_STD);
fpst = fpstatus_ptr(a->size == 0 ? FPST_STD_F16 : FPST_STD);
fn_gvec_ptr = a->size ? gen_helper_gvec_fcmlas : gen_helper_gvec_fcmlah;
tcg_gen_gvec_3_ptr(vfp_reg_offset(1, a->vd),
vfp_reg_offset(1, a->vn),
@@ -218,7 +218,7 @@ static bool trans_VCADD(DisasContext *s, arg_VCADD *a)
}
opr_sz = (1 + a->q) * 8;
fpst = fpstatus_ptr(FPST_STD);
fpst = fpstatus_ptr(a->size == 0 ? FPST_STD_F16 : FPST_STD);
fn_gvec_ptr = a->size ? gen_helper_gvec_fcadds : gen_helper_gvec_fcaddh;
tcg_gen_gvec_3_ptr(vfp_reg_offset(1, a->vd),
vfp_reg_offset(1, a->vn),
@@ -322,7 +322,7 @@ static bool trans_VCMLA_scalar(DisasContext *s, arg_VCMLA_scalar *a)
fn_gvec_ptr = (a->size ? gen_helper_gvec_fcmlas_idx
: gen_helper_gvec_fcmlah_idx);
opr_sz = (1 + a->q) * 8;
fpst = fpstatus_ptr(FPST_STD);
fpst = fpstatus_ptr(a->size == 0 ? FPST_STD_F16 : FPST_STD);
tcg_gen_gvec_3_ptr(vfp_reg_offset(1, a->vd),
vfp_reg_offset(1, a->vn),
vfp_reg_offset(1, a->vm),