target/arm: Introduce gen_gvec_fpst_zzzzp

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20220527181907.189259-102-richard.henderson@linaro.org
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

diff --git a/target/arm/translate-sve.c b/target/arm/translate-sve.c
index e323b2d..8f50956 100644 (file)
--- a/target/arm/translate-sve.c
+++ b/target/arm/translate-sve.c
@@ -289,6 +289,30 @@ static bool gen_gvec_fpst_zzzz(DisasContext *s, gen_helper_gvec_4_ptr *fn,
     return ret;
 }
 
+/* Invoke an out-of-line helper on 4 Zregs, 1 Preg, plus fpst. */
+static bool gen_gvec_fpst_zzzzp(DisasContext *s, gen_helper_gvec_5_ptr *fn,
+                                int rd, int rn, int rm, int ra, int pg,
+                                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_5_ptr(vec_full_reg_offset(s, rd),
+                           vec_full_reg_offset(s, rn),
+                           vec_full_reg_offset(s, rm),
+                           vec_full_reg_offset(s, ra),
+                           pred_full_reg_offset(s, pg),
+                           status, vsz, vsz, data, fn);
+
+        tcg_temp_free_ptr(status);
+    }
+    return true;
+}
+
 /* Invoke an out-of-line helper on 2 Zregs and a predicate. */
 static bool gen_gvec_ool_zzp(DisasContext *s, gen_helper_gvec_3 *fn,
                              int rd, int rn, int pg, int data)
@@ -3977,21 +4001,8 @@ TRANS_FEAT(FCADD, aa64_sve, gen_gvec_fpst_zzzp, fcadd_fns[a->esz],
 static bool do_fmla(DisasContext *s, arg_rprrr_esz *a,
                     gen_helper_gvec_5_ptr *fn)
 {
-    if (a->esz == 0) {
-        return false;
-    }
-    if (sve_access_check(s)) {
-        unsigned vsz = vec_full_reg_size(s);
-        TCGv_ptr status = fpstatus_ptr(a->esz == MO_16 ? FPST_FPCR_F16 : FPST_FPCR);
-        tcg_gen_gvec_5_ptr(vec_full_reg_offset(s, a->rd),
-                           vec_full_reg_offset(s, a->rn),
-                           vec_full_reg_offset(s, a->rm),
-                           vec_full_reg_offset(s, a->ra),
-                           pred_full_reg_offset(s, a->pg),
-                           status, vsz, vsz, 0, fn);
-        tcg_temp_free_ptr(status);
-    }
-    return true;
+    return gen_gvec_fpst_zzzzp(s, fn, a->rd, a->rn, a->rm, a->ra, a->pg, 0,
+                               a->esz == MO_16 ? FPST_FPCR_F16 : FPST_FPCR);
 }
 
 #define DO_FMLA(NAME, name) \
@@ -4020,21 +4031,9 @@ static bool trans_FCMLA_zpzzz(DisasContext *s, arg_FCMLA_zpzzz *a)
         gen_helper_sve_fcmla_zpzzz_d,
     };
 
-    if (a->esz == 0) {
-        return false;
-    }
-    if (sve_access_check(s)) {
-        unsigned vsz = vec_full_reg_size(s);
-        TCGv_ptr status = fpstatus_ptr(a->esz == MO_16 ? FPST_FPCR_F16 : FPST_FPCR);
-        tcg_gen_gvec_5_ptr(vec_full_reg_offset(s, a->rd),
-                           vec_full_reg_offset(s, a->rn),
-                           vec_full_reg_offset(s, a->rm),
-                           vec_full_reg_offset(s, a->ra),
-                           pred_full_reg_offset(s, a->pg),
-                           status, vsz, vsz, a->rot, fns[a->esz]);
-        tcg_temp_free_ptr(status);
-    }
-    return true;
+    return gen_gvec_fpst_zzzzp(s, fns[a->esz], a->rd, a->rn, a->rm,
+                               a->ra, a->pg, a->rot,
+                               a->esz == MO_16 ? FPST_FPCR_F16 : FPST_FPCR);
 }
 
 static bool trans_FCMLA_zzxz(DisasContext *s, arg_FCMLA_zzxz *a)