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target/arm: Use TRANS_FEAT for FRECPE, FRSQRTE 

Rename do_zz_fp to gen_gvec_fpst_arg_zz, and move up.
Split out gen_gvec_fpst_zz as a helper while we're at it.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20220527181907.189259-92-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 11:18:44 -07:00 committed by Peter Maydell
parent 8003e7cf15
commit de58c6b09f
1 changed files with 36 additions and 41 deletions
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77
target/arm/translate-sve.c
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@ -152,6 +152,32 @@ static bool gen_gvec_ool_zz(DisasContext *s, gen_helper_gvec_2 *fn,
return true;
}
static bool gen_gvec_fpst_zz(DisasContext *s, gen_helper_gvec_2_ptr *fn,
int rd, int rn, int data,
ARMFPStatusFlavour flavour)
{
if (fn == NULL) {
return false;
}
if (sve_access_check(s)) {
unsigned vsz = vec_full_reg_size(s);
TCGv_ptr status = fpstatus_ptr(flavour);
tcg_gen_gvec_2_ptr(vec_full_reg_offset(s, rd),
vec_full_reg_offset(s, rn),
status, vsz, vsz, data, fn);
tcg_temp_free_ptr(status);
}
return true;
}
static bool gen_gvec_fpst_arg_zz(DisasContext *s, gen_helper_gvec_2_ptr *fn,
arg_rr_esz *a, int data)
{
return gen_gvec_fpst_zz(s, fn, a->rd, a->rn, data,
a->esz == MO_16 ? FPST_FPCR_F16 : FPST_FPCR);
}
/* Invoke an out-of-line helper on 3 Zregs. */
static bool gen_gvec_ool_zzz(DisasContext *s, gen_helper_gvec_3 *fn,
int rd, int rn, int rm, int data)
@ -3627,48 +3653,17 @@ DO_VPZ(FMAXV, fmaxv)
*** SVE Floating Point Unary Operations - Unpredicated Group
*/
static void do_zz_fp(DisasContext *s, arg_rr_esz *a, gen_helper_gvec_2_ptr *fn)
{
unsigned vsz = vec_full_reg_size(s);
TCGv_ptr status = fpstatus_ptr(a->esz == MO_16 ? FPST_FPCR_F16 : FPST_FPCR);
static gen_helper_gvec_2_ptr * const frecpe_fns[] = {
NULL, gen_helper_gvec_frecpe_h,
gen_helper_gvec_frecpe_s, gen_helper_gvec_frecpe_d,
};
TRANS_FEAT(FRECPE, aa64_sve, gen_gvec_fpst_arg_zz, frecpe_fns[a->esz], a, 0)
tcg_gen_gvec_2_ptr(vec_full_reg_offset(s, a->rd),
vec_full_reg_offset(s, a->rn),
status, vsz, vsz, 0, fn);
tcg_temp_free_ptr(status);
}
static bool trans_FRECPE(DisasContext *s, arg_rr_esz *a)
{
static gen_helper_gvec_2_ptr * const fns[3] = {
gen_helper_gvec_frecpe_h,
gen_helper_gvec_frecpe_s,
gen_helper_gvec_frecpe_d,
};
if (a->esz == 0) {
return false;
}
if (sve_access_check(s)) {
do_zz_fp(s, a, fns[a->esz - 1]);
}
return true;
}
static bool trans_FRSQRTE(DisasContext *s, arg_rr_esz *a)
{
static gen_helper_gvec_2_ptr * const fns[3] = {
gen_helper_gvec_frsqrte_h,
gen_helper_gvec_frsqrte_s,
gen_helper_gvec_frsqrte_d,
};
if (a->esz == 0) {
return false;
}
if (sve_access_check(s)) {
do_zz_fp(s, a, fns[a->esz - 1]);
}
return true;
}
static gen_helper_gvec_2_ptr * const frsqrte_fns[] = {
NULL, gen_helper_gvec_frsqrte_h,
gen_helper_gvec_frsqrte_s, gen_helper_gvec_frsqrte_d,
};
TRANS_FEAT(FRSQRTE, aa64_sve, gen_gvec_fpst_arg_zz, frsqrte_fns[a->esz], a, 0)
/*
*** SVE Floating Point Compare with Zero Group