[PATCH v4 05/26] s390x/tcg: Simplify vfc64() handling

[David Hildenbrand <david@redhat.com>]

Pass the m5 field via simd_data() and don't provide specialized handlers
for single-element variants.

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: David Hildenbrand <david@redhat.com>
---
 target/s390x/helper.h           |  6 ---
 target/s390x/translate_vx.c.inc | 45 +++++-----------
 target/s390x/vec_fpu_helper.c   | 94 +++++++++------------------------
 3 files changed, 38 insertions(+), 107 deletions(-)

diff --git a/target/s390x/helper.h b/target/s390x/helper.h
index 4788c1ddaf..02a16924a7 100644
--- a/target/s390x/helper.h
+++ b/target/s390x/helper.h
@@ -250,17 +250,11 @@ DEF_HELPER_FLAGS_5(gvec_vfa64, TCG_CALL_NO_WG, void, ptr, cptr, cptr, env, i32)
 DEF_HELPER_4(gvec_wfc64, void, cptr, cptr, env, i32)
 DEF_HELPER_4(gvec_wfk64, void, cptr, cptr, env, i32)
 DEF_HELPER_FLAGS_5(gvec_vfce64, TCG_CALL_NO_WG, void, ptr, cptr, cptr, env, i32)
-DEF_HELPER_FLAGS_5(gvec_vfce64s, TCG_CALL_NO_WG, void, ptr, cptr, cptr, env, i32)
 DEF_HELPER_5(gvec_vfce64_cc, void, ptr, cptr, cptr, env, i32)
-DEF_HELPER_5(gvec_vfce64s_cc, void, ptr, cptr, cptr, env, i32)
 DEF_HELPER_FLAGS_5(gvec_vfch64, TCG_CALL_NO_WG, void, ptr, cptr, cptr, env, i32)
-DEF_HELPER_FLAGS_5(gvec_vfch64s, TCG_CALL_NO_WG, void, ptr, cptr, cptr, env, i32)
 DEF_HELPER_5(gvec_vfch64_cc, void, ptr, cptr, cptr, env, i32)
-DEF_HELPER_5(gvec_vfch64s_cc, void, ptr, cptr, cptr, env, i32)
 DEF_HELPER_FLAGS_5(gvec_vfche64, TCG_CALL_NO_WG, void, ptr, cptr, cptr, env, i32)
-DEF_HELPER_FLAGS_5(gvec_vfche64s, TCG_CALL_NO_WG, void, ptr, cptr, cptr, env, i32)
 DEF_HELPER_5(gvec_vfche64_cc, void, ptr, cptr, cptr, env, i32)
-DEF_HELPER_5(gvec_vfche64s_cc, void, ptr, cptr, cptr, env, i32)
 DEF_HELPER_FLAGS_4(gvec_vcdg64, TCG_CALL_NO_WG, void, ptr, cptr, env, i32)
 DEF_HELPER_FLAGS_4(gvec_vcdlg64, TCG_CALL_NO_WG, void, ptr, cptr, env, i32)
 DEF_HELPER_FLAGS_4(gvec_vcgd64, TCG_CALL_NO_WG, void, ptr, cptr, env, i32)
diff --git a/target/s390x/translate_vx.c.inc b/target/s390x/translate_vx.c.inc
index 280d45bb19..604ae11024 100644
--- a/target/s390x/translate_vx.c.inc
+++ b/target/s390x/translate_vx.c.inc
@@ -2497,7 +2497,6 @@ static DisasJumpType op_vfc(DisasContext *s, DisasOps *o)
     const uint8_t fpf = get_field(s, m4);
     const uint8_t m5 = get_field(s, m5);
     const uint8_t m6 = get_field(s, m6);
-    const bool se = extract32(m5, 3, 1);
     const bool cs = extract32(m6, 0, 1);
     gen_helper_gvec_3_ptr *fn;
 
@@ -2506,37 +2505,21 @@ static DisasJumpType op_vfc(DisasContext *s, DisasOps *o)
         return DISAS_NORETURN;
     }
 
-    if (cs) {
-        switch (s->fields.op2) {
-        case 0xe8:
-            fn = se ? gen_helper_gvec_vfce64s_cc : gen_helper_gvec_vfce64_cc;
-            break;
-        case 0xeb:
-            fn = se ? gen_helper_gvec_vfch64s_cc : gen_helper_gvec_vfch64_cc;
-            break;
-        case 0xea:
-            fn = se ? gen_helper_gvec_vfche64s_cc : gen_helper_gvec_vfche64_cc;
-            break;
-        default:
-            g_assert_not_reached();
-        }
-    } else {
-        switch (s->fields.op2) {
-        case 0xe8:
-            fn = se ? gen_helper_gvec_vfce64s : gen_helper_gvec_vfce64;
-            break;
-        case 0xeb:
-            fn = se ? gen_helper_gvec_vfch64s : gen_helper_gvec_vfch64;
-            break;
-        case 0xea:
-            fn = se ? gen_helper_gvec_vfche64s : gen_helper_gvec_vfche64;
-            break;
-        default:
-            g_assert_not_reached();
-        }
+    switch (s->fields.op2) {
+    case 0xe8:
+        fn = cs ? gen_helper_gvec_vfce64_cc : gen_helper_gvec_vfce64;
+        break;
+    case 0xeb:
+        fn = cs ? gen_helper_gvec_vfch64_cc : gen_helper_gvec_vfch64;
+        break;
+    case 0xea:
+        fn = cs ? gen_helper_gvec_vfche64_cc : gen_helper_gvec_vfche64;
+        break;
+    default:
+        g_assert_not_reached();
     }
-    gen_gvec_3_ptr(get_field(s, v1), get_field(s, v2),
-                   get_field(s, v3), cpu_env, 0, fn);
+    gen_gvec_3_ptr(get_field(s, v1), get_field(s, v2), get_field(s, v3),
+                   cpu_env, m5, fn);
     if (cs) {
         set_cc_static(s);
     }
diff --git a/target/s390x/vec_fpu_helper.c b/target/s390x/vec_fpu_helper.c
index ab23a597da..01ee41d154 100644
--- a/target/s390x/vec_fpu_helper.c
+++ b/target/s390x/vec_fpu_helper.c
@@ -239,8 +239,8 @@ static int vfc64(S390Vector *v1, const S390Vector *v2, const S390Vector *v3,
     int i;
 
     for (i = 0; i < 2; i++) {
-        const float64 a = s390_vec_read_element64(v2, i);
-        const float64 b = s390_vec_read_element64(v3, i);
+        const float64 a = s390_vec_read_float64(v2, i);
+        const float64 b = s390_vec_read_float64(v3, i);
 
         /* swap the order of the parameters, so we can use existing functions */
         if (fn(b, a, &env->fpu_status)) {
@@ -261,77 +261,31 @@ static int vfc64(S390Vector *v1, const S390Vector *v2, const S390Vector *v3,
     return 3;
 }
 
-void HELPER(gvec_vfce64)(void *v1, const void *v2, const void *v3,
-                         CPUS390XState *env, uint32_t desc)
-{
-    vfc64(v1, v2, v3, env, false, float64_eq_quiet, GETPC());
-}
-
-void HELPER(gvec_vfce64s)(void *v1, const void *v2, const void *v3,
-                          CPUS390XState *env, uint32_t desc)
-{
-    vfc64(v1, v2, v3, env, true, float64_eq_quiet, GETPC());
-}
-
-void HELPER(gvec_vfce64_cc)(void *v1, const void *v2, const void *v3,
-                            CPUS390XState *env, uint32_t desc)
-{
-    env->cc_op = vfc64(v1, v2, v3, env, false, float64_eq_quiet, GETPC());
-}
-
-void HELPER(gvec_vfce64s_cc)(void *v1, const void *v2, const void *v3,
-                            CPUS390XState *env, uint32_t desc)
-{
-    env->cc_op = vfc64(v1, v2, v3, env, true, float64_eq_quiet, GETPC());
-}
-
-void HELPER(gvec_vfch64)(void *v1, const void *v2, const void *v3,
-                         CPUS390XState *env, uint32_t desc)
-{
-    vfc64(v1, v2, v3, env, false, float64_lt_quiet, GETPC());
-}
-
-void HELPER(gvec_vfch64s)(void *v1, const void *v2, const void *v3,
-                          CPUS390XState *env, uint32_t desc)
-{
-    vfc64(v1, v2, v3, env, true, float64_lt_quiet, GETPC());
-}
-
-void HELPER(gvec_vfch64_cc)(void *v1, const void *v2, const void *v3,
-                            CPUS390XState *env, uint32_t desc)
-{
-    env->cc_op = vfc64(v1, v2, v3, env, false, float64_lt_quiet, GETPC());
-}
-
-void HELPER(gvec_vfch64s_cc)(void *v1, const void *v2, const void *v3,
-                             CPUS390XState *env, uint32_t desc)
-{
-    env->cc_op = vfc64(v1, v2, v3, env, true, float64_lt_quiet, GETPC());
-}
-
-void HELPER(gvec_vfche64)(void *v1, const void *v2, const void *v3,
-                          CPUS390XState *env, uint32_t desc)
-{
-    vfc64(v1, v2, v3, env, false, float64_le_quiet, GETPC());
-}
-
-void HELPER(gvec_vfche64s)(void *v1, const void *v2, const void *v3,
-                           CPUS390XState *env, uint32_t desc)
-{
-    vfc64(v1, v2, v3, env, true, float64_le_quiet, GETPC());
+#define DEF_GVEC_VFC_B(NAME, OP, BITS)                                         \
+void HELPER(gvec_##NAME##BITS)(void *v1, const void *v2, const void *v3,       \
+                               CPUS390XState *env, uint32_t desc)              \
+{                                                                              \
+    const bool se = extract32(simd_data(desc), 3, 1);                          \
+    vfc##BITS##_fn fn = float##BITS##_##OP##_quiet;                            \
+                                                                               \
+    vfc##BITS(v1, v2, v3, env, se, fn, GETPC());                               \
+}                                                                              \
+                                                                               \
+void HELPER(gvec_##NAME##BITS##_cc)(void *v1, const void *v2, const void *v3,  \
+                                    CPUS390XState *env, uint32_t desc)         \
+{                                                                              \
+    const bool se = extract32(simd_data(desc), 3, 1);                          \
+    vfc##BITS##_fn fn = float##BITS##_##OP##_quiet;                            \
+                                                                               \
+    env->cc_op = vfc##BITS(v1, v2, v3, env, se, fn, GETPC());                  \
 }
 
-void HELPER(gvec_vfche64_cc)(void *v1, const void *v2, const void *v3,
-                             CPUS390XState *env, uint32_t desc)
-{
-    env->cc_op = vfc64(v1, v2, v3, env, false, float64_le_quiet, GETPC());
-}
+#define DEF_GVEC_VFC(NAME, OP)                                                 \
+DEF_GVEC_VFC_B(NAME, OP, 64)
 
-void HELPER(gvec_vfche64s_cc)(void *v1, const void *v2, const void *v3,
-                              CPUS390XState *env, uint32_t desc)
-{
-    env->cc_op = vfc64(v1, v2, v3, env, true, float64_le_quiet, GETPC());
-}
+DEF_GVEC_VFC(vfce, eq)
+DEF_GVEC_VFC(vfch, lt)
+DEF_GVEC_VFC(vfche, le)
 
 static void vfll32(S390Vector *v1, const S390Vector *v2, CPUS390XState *env,
                    bool s, uintptr_t retaddr)
-- 
2.31.1