[PULL,09/12] target/s390x: Use tcg_gen_gvec_rotl{i,s,v}

Message ID 20200602170151.321389-10-richard.henderson@linaro.org
State New
Headers show
Series
  • tcg patch queue
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Commit Message

Richard Henderson June 2, 2020, 5:01 p.m.
Merge VERLL and VERLLV into op_vesv and op_ves, alongside
all of the other vector shift operations.

Reviewed-by: David Hildenbrand <david@redhat.com>

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

---
 target/s390x/helper.h           |  4 --
 target/s390x/translate_vx.inc.c | 66 +++++----------------------------
 target/s390x/vec_int_helper.c   | 31 ----------------
 target/s390x/insn-data.def      |  4 +-
 4 files changed, 11 insertions(+), 94 deletions(-)

-- 
2.25.1

Patch

diff --git a/target/s390x/helper.h b/target/s390x/helper.h
index b5813c2ac2..b7887b552b 100644
--- a/target/s390x/helper.h
+++ b/target/s390x/helper.h
@@ -198,10 +198,6 @@  DEF_HELPER_FLAGS_4(gvec_vmlo16, TCG_CALL_NO_RWG, void, ptr, cptr, cptr, i32)
 DEF_HELPER_FLAGS_4(gvec_vmlo32, TCG_CALL_NO_RWG, void, ptr, cptr, cptr, i32)
 DEF_HELPER_FLAGS_3(gvec_vpopct8, TCG_CALL_NO_RWG, void, ptr, cptr, i32)
 DEF_HELPER_FLAGS_3(gvec_vpopct16, TCG_CALL_NO_RWG, void, ptr, cptr, i32)
-DEF_HELPER_FLAGS_4(gvec_verllv8, TCG_CALL_NO_RWG, void, ptr, cptr, cptr, i32)
-DEF_HELPER_FLAGS_4(gvec_verllv16, TCG_CALL_NO_RWG, void, ptr, cptr, cptr, i32)
-DEF_HELPER_FLAGS_4(gvec_verll8, TCG_CALL_NO_RWG, void, ptr, cptr, i64, i32)
-DEF_HELPER_FLAGS_4(gvec_verll16, TCG_CALL_NO_RWG, void, ptr, cptr, i64, i32)
 DEF_HELPER_FLAGS_4(gvec_verim8, TCG_CALL_NO_RWG, void, ptr, cptr, cptr, i32)
 DEF_HELPER_FLAGS_4(gvec_verim16, TCG_CALL_NO_RWG, void, ptr, cptr, cptr, i32)
 DEF_HELPER_FLAGS_4(gvec_vsl, TCG_CALL_NO_RWG, void, ptr, cptr, i64, i32)
diff --git a/target/s390x/translate_vx.inc.c b/target/s390x/translate_vx.inc.c
index 12347f8a03..eb767f5288 100644
--- a/target/s390x/translate_vx.inc.c
+++ b/target/s390x/translate_vx.inc.c
@@ -1825,63 +1825,6 @@  static DisasJumpType op_vpopct(DisasContext *s, DisasOps *o)
     return DISAS_NEXT;
 }
 
-static void gen_rll_i32(TCGv_i32 d, TCGv_i32 a, TCGv_i32 b)
-{
-    TCGv_i32 t0 = tcg_temp_new_i32();
-
-    tcg_gen_andi_i32(t0, b, 31);
-    tcg_gen_rotl_i32(d, a, t0);
-    tcg_temp_free_i32(t0);
-}
-
-static void gen_rll_i64(TCGv_i64 d, TCGv_i64 a, TCGv_i64 b)
-{
-    TCGv_i64 t0 = tcg_temp_new_i64();
-
-    tcg_gen_andi_i64(t0, b, 63);
-    tcg_gen_rotl_i64(d, a, t0);
-    tcg_temp_free_i64(t0);
-}
-
-static DisasJumpType op_verllv(DisasContext *s, DisasOps *o)
-{
-    const uint8_t es = get_field(s, m4);
-    static const GVecGen3 g[4] = {
-        { .fno = gen_helper_gvec_verllv8, },
-        { .fno = gen_helper_gvec_verllv16, },
-        { .fni4 = gen_rll_i32, },
-        { .fni8 = gen_rll_i64, },
-    };
-
-    if (es > ES_64) {
-        gen_program_exception(s, PGM_SPECIFICATION);
-        return DISAS_NORETURN;
-    }
-
-    gen_gvec_3(get_field(s, v1), get_field(s, v2),
-               get_field(s, v3), &g[es]);
-    return DISAS_NEXT;
-}
-
-static DisasJumpType op_verll(DisasContext *s, DisasOps *o)
-{
-    const uint8_t es = get_field(s, m4);
-    static const GVecGen2s g[4] = {
-        { .fno = gen_helper_gvec_verll8, },
-        { .fno = gen_helper_gvec_verll16, },
-        { .fni4 = gen_rll_i32, },
-        { .fni8 = gen_rll_i64, },
-    };
-
-    if (es > ES_64) {
-        gen_program_exception(s, PGM_SPECIFICATION);
-        return DISAS_NORETURN;
-    }
-    gen_gvec_2s(get_field(s, v1), get_field(s, v3), o->addr1,
-                &g[es]);
-    return DISAS_NEXT;
-}
-
 static void gen_rim_i32(TCGv_i32 d, TCGv_i32 a, TCGv_i32 b, int32_t c)
 {
     TCGv_i32 t = tcg_temp_new_i32();
@@ -1946,6 +1889,9 @@  static DisasJumpType op_vesv(DisasContext *s, DisasOps *o)
     case 0x70:
         gen_gvec_fn_3(shlv, es, v1, v2, v3);
         break;
+    case 0x73:
+        gen_gvec_fn_3(rotlv, es, v1, v2, v3);
+        break;
     case 0x7a:
         gen_gvec_fn_3(sarv, es, v1, v2, v3);
         break;
@@ -1977,6 +1923,9 @@  static DisasJumpType op_ves(DisasContext *s, DisasOps *o)
         case 0x30:
             gen_gvec_fn_2i(shli, es, v1, v3, d2);
             break;
+        case 0x33:
+            gen_gvec_fn_2i(rotli, es, v1, v3, d2);
+            break;
         case 0x3a:
             gen_gvec_fn_2i(sari, es, v1, v3, d2);
             break;
@@ -1994,6 +1943,9 @@  static DisasJumpType op_ves(DisasContext *s, DisasOps *o)
         case 0x30:
             gen_gvec_fn_2s(shls, es, v1, v3, shift);
             break;
+        case 0x33:
+            gen_gvec_fn_2s(rotls, es, v1, v3, shift);
+            break;
         case 0x3a:
             gen_gvec_fn_2s(sars, es, v1, v3, shift);
             break;
diff --git a/target/s390x/vec_int_helper.c b/target/s390x/vec_int_helper.c
index 0d6bc13dd6..5561b3ed90 100644
--- a/target/s390x/vec_int_helper.c
+++ b/target/s390x/vec_int_helper.c
@@ -515,37 +515,6 @@  void HELPER(gvec_vpopct##BITS)(void *v1, const void *v2, uint32_t desc)        \
 DEF_VPOPCT(8)
 DEF_VPOPCT(16)
 
-#define DEF_VERLLV(BITS)                                                       \
-void HELPER(gvec_verllv##BITS)(void *v1, const void *v2, const void *v3,       \
-                               uint32_t desc)                                  \
-{                                                                              \
-    int i;                                                                     \
-                                                                               \
-    for (i = 0; i < (128 / BITS); i++) {                                       \
-        const uint##BITS##_t a = s390_vec_read_element##BITS(v2, i);           \
-        const uint##BITS##_t b = s390_vec_read_element##BITS(v3, i);           \
-                                                                               \
-        s390_vec_write_element##BITS(v1, i, rol##BITS(a, b));                  \
-    }                                                                          \
-}
-DEF_VERLLV(8)
-DEF_VERLLV(16)
-
-#define DEF_VERLL(BITS)                                                        \
-void HELPER(gvec_verll##BITS)(void *v1, const void *v2, uint64_t count,        \
-                              uint32_t desc)                                   \
-{                                                                              \
-    int i;                                                                     \
-                                                                               \
-    for (i = 0; i < (128 / BITS); i++) {                                       \
-        const uint##BITS##_t a = s390_vec_read_element##BITS(v2, i);           \
-                                                                               \
-        s390_vec_write_element##BITS(v1, i, rol##BITS(a, count));              \
-    }                                                                          \
-}
-DEF_VERLL(8)
-DEF_VERLL(16)
-
 #define DEF_VERIM(BITS)                                                        \
 void HELPER(gvec_verim##BITS)(void *v1, const void *v2, const void *v3,        \
                               uint32_t desc)                                   \
diff --git a/target/s390x/insn-data.def b/target/s390x/insn-data.def
index 2bc77f0871..91ddaedd84 100644
--- a/target/s390x/insn-data.def
+++ b/target/s390x/insn-data.def
@@ -1147,8 +1147,8 @@ 
 /* VECTOR POPULATION COUNT */
     F(0xe750, VPOPCT,  VRR_a, V,   0, 0, 0, 0, vpopct, 0, IF_VEC)
 /* VECTOR ELEMENT ROTATE LEFT LOGICAL */
-    F(0xe773, VERLLV,  VRR_c, V,   0, 0, 0, 0, verllv, 0, IF_VEC)
-    F(0xe733, VERLL,   VRS_a, V,   la2, 0, 0, 0, verll, 0, IF_VEC)
+    F(0xe773, VERLLV,  VRR_c, V,   0, 0, 0, 0, vesv, 0, IF_VEC)
+    F(0xe733, VERLL,   VRS_a, V,   la2, 0, 0, 0, ves, 0, IF_VEC)
 /* VECTOR ELEMENT ROTATE AND INSERT UNDER MASK */
     F(0xe772, VERIM,   VRI_d, V,   0, 0, 0, 0, verim, 0, IF_VEC)
 /* VECTOR ELEMENT SHIFT LEFT */