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target/arm: Expand frint_fns for MO_8 

Simplify indexing of this array.  This will allow folding
of the illegal esz == 0 into the normal fn == NULL check.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20220527181907.189259-93-richard.henderson@linaro.org
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Richard Henderson 2022-05-27 11:18:45 -07:00 committed by Peter Maydell
parent de58c6b09f
commit ed6bb6b4d2
1 changed files with 8 additions and 7 deletions
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15
target/arm/translate-sve.c
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@ -4167,7 +4167,8 @@ static bool trans_FCVTZU_dd(DisasContext *s, arg_rpr_esz *a)
return do_zpz_ptr(s, a->rd, a->rn, a->pg, false, gen_helper_sve_fcvtzu_dd);
}
static gen_helper_gvec_3_ptr * const frint_fns[3] = {
static gen_helper_gvec_3_ptr * const frint_fns[] = {
NULL,
gen_helper_sve_frint_h,
gen_helper_sve_frint_s,
gen_helper_sve_frint_d
@ -4179,7 +4180,7 @@ static bool trans_FRINTI(DisasContext *s, arg_rpr_esz *a)
return false;
}
return do_zpz_ptr(s, a->rd, a->rn, a->pg, a->esz == MO_16,
frint_fns[a->esz - 1]);
frint_fns[a->esz]);
}
static bool trans_FRINTX(DisasContext *s, arg_rpr_esz *a)
@ -4222,7 +4223,7 @@ static bool trans_FRINTN(DisasContext *s, arg_rpr_esz *a)
if (a->esz == 0) {
return false;
}
return do_frint_mode(s, a, float_round_nearest_even, frint_fns[a->esz - 1]);
return do_frint_mode(s, a, float_round_nearest_even, frint_fns[a->esz]);
}
static bool trans_FRINTP(DisasContext *s, arg_rpr_esz *a)
@ -4230,7 +4231,7 @@ static bool trans_FRINTP(DisasContext *s, arg_rpr_esz *a)
if (a->esz == 0) {
return false;
}
return do_frint_mode(s, a, float_round_up, frint_fns[a->esz - 1]);
return do_frint_mode(s, a, float_round_up, frint_fns[a->esz]);
}
static bool trans_FRINTM(DisasContext *s, arg_rpr_esz *a)
@ -4238,7 +4239,7 @@ static bool trans_FRINTM(DisasContext *s, arg_rpr_esz *a)
if (a->esz == 0) {
return false;
}
return do_frint_mode(s, a, float_round_down, frint_fns[a->esz - 1]);
return do_frint_mode(s, a, float_round_down, frint_fns[a->esz]);
}
static bool trans_FRINTZ(DisasContext *s, arg_rpr_esz *a)
@ -4246,7 +4247,7 @@ static bool trans_FRINTZ(DisasContext *s, arg_rpr_esz *a)
if (a->esz == 0) {
return false;
}
return do_frint_mode(s, a, float_round_to_zero, frint_fns[a->esz - 1]);
return do_frint_mode(s, a, float_round_to_zero, frint_fns[a->esz]);
}
static bool trans_FRINTA(DisasContext *s, arg_rpr_esz *a)
@ -4254,7 +4255,7 @@ static bool trans_FRINTA(DisasContext *s, arg_rpr_esz *a)
if (a->esz == 0) {
return false;
}
return do_frint_mode(s, a, float_round_ties_away, frint_fns[a->esz - 1]);
return do_frint_mode(s, a, float_round_ties_away, frint_fns[a->esz]);
}
static bool trans_FRECPX(DisasContext *s, arg_rpr_esz *a)