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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.

Bacports commit b34aa5129e9c3aff890b4f4bcc84962e94185629
This commit is contained in:
Peter Maydell 2021-02-26 12:02:21 -05:00 committed by Lioncash
parent 61377ce01c
commit 3e5aa58139
1 changed files with 3 additions and 3 deletions
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6
qemu/target/arm/translate-neon.inc.c
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@ -186,7 +186,7 @@ static bool trans_VCMLA(DisasContext *s, arg_VCMLA *a)
}
opr_sz = (1 + a->q) * 8;
fpst = fpstatus_ptr(tcg_ctx, FPST_STD);
fpst = fpstatus_ptr(tcg_ctx, 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(tcg_ctx, vfp_reg_offset(1, a->vd),
vfp_reg_offset(1, a->vn),
@ -224,7 +224,7 @@ static bool trans_VCADD(DisasContext *s, arg_VCADD *a)
}
opr_sz = (1 + a->q) * 8;
fpst = fpstatus_ptr(tcg_ctx, FPST_STD);
fpst = fpstatus_ptr(tcg_ctx, 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(tcg_ctx, vfp_reg_offset(1, a->vd),
vfp_reg_offset(1, a->vn),
@ -331,7 +331,7 @@ 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(tcg_ctx, FPST_STD);
fpst = fpstatus_ptr(tcg_ctx, a->size == 0 ? FPST_STD_F16 : FPST_STD);
tcg_gen_gvec_3_ptr(tcg_ctx, vfp_reg_offset(1, a->vd),
vfp_reg_offset(1, a->vn),
vfp_reg_offset(1, a->vm),