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[11/16] tcg/s390x: Implement vector shift operations

Message ID 20201225201956.692861-12-richard.henderson@linaro.org
State Superseded
Headers show
Series tcg/s390x: host vector support | expand

Commit Message

Richard Henderson Dec. 25, 2020, 8:19 p.m. UTC 
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

---
 tcg/s390x/tcg-target-conset.h |  1 +
 tcg/s390x/tcg-target.h        | 12 ++---
 tcg/s390x/tcg-target.c.inc    | 93 ++++++++++++++++++++++++++++++++++-
 3 files changed, 99 insertions(+), 7 deletions(-)

-- 
2.25.1
diff mbox series

Patch

diff --git a/tcg/s390x/tcg-target-conset.h b/tcg/s390x/tcg-target-conset.h
index c44d5f181c..9c7dd85eac 100644
--- a/tcg/s390x/tcg-target-conset.h
+++ b/tcg/s390x/tcg-target-conset.h
@@ -19,6 +19,7 @@  C_O1_I2(r, 0, rI)
 C_O1_I2(r, 0, rJ)
 C_O1_I2(r, r, ri)
 C_O1_I2(r, rZ, r)
+C_O1_I2(v, v, r)
 C_O1_I2(v, v, v)
 C_O1_I4(r, r, ri, r, 0)
 C_O1_I4(r, r, ri, rI, 0)
diff --git a/tcg/s390x/tcg-target.h b/tcg/s390x/tcg-target.h
index 3f0be23323..a97738e525 100644
--- a/tcg/s390x/tcg-target.h
+++ b/tcg/s390x/tcg-target.h
@@ -144,12 +144,12 @@  extern uint64_t s390_facilities[3];
 #define TCG_TARGET_HAS_not_vec        1
 #define TCG_TARGET_HAS_neg_vec        1
 #define TCG_TARGET_HAS_abs_vec        1
-#define TCG_TARGET_HAS_roti_vec       0
-#define TCG_TARGET_HAS_rots_vec       0
-#define TCG_TARGET_HAS_rotv_vec       0
-#define TCG_TARGET_HAS_shi_vec        0
-#define TCG_TARGET_HAS_shs_vec        0
-#define TCG_TARGET_HAS_shv_vec        0
+#define TCG_TARGET_HAS_roti_vec       1
+#define TCG_TARGET_HAS_rots_vec       1
+#define TCG_TARGET_HAS_rotv_vec       1
+#define TCG_TARGET_HAS_shi_vec        1
+#define TCG_TARGET_HAS_shs_vec        1
+#define TCG_TARGET_HAS_shv_vec        1
 #define TCG_TARGET_HAS_mul_vec        1
 #define TCG_TARGET_HAS_sat_vec        0
 #define TCG_TARGET_HAS_minmax_vec     0
diff --git a/tcg/s390x/tcg-target.c.inc b/tcg/s390x/tcg-target.c.inc
index c5c17adc0c..259b63d8bc 100644
--- a/tcg/s390x/tcg-target.c.inc
+++ b/tcg/s390x/tcg-target.c.inc
@@ -262,6 +262,10 @@  typedef enum S390Opcode {
     VRRc_VCEQ   = 0xe7f8,   /* we leave the m5 cs field 0 */
     VRRc_VCH    = 0xe7fb,   /* " */
     VRRc_VCHL   = 0xe7f9,   /* " */
+    VRRc_VERLLV = 0xe773,
+    VRRc_VESLV  = 0xe770,
+    VRRc_VESRAV = 0xe77a,
+    VRRc_VESRLV = 0xe778,
     VRRc_VML    = 0xe7a2,
     VRRc_VN     = 0xe768,
     VRRc_VNC    = 0xe769,
@@ -272,6 +276,10 @@  typedef enum S390Opcode {
     VRRc_VX     = 0xe76d,
     VRRf_VLVGP  = 0xe762,
 
+    VRSa_VERLL  = 0xe733,
+    VRSa_VESL   = 0xe730,
+    VRSa_VESRA  = 0xe73a,
+    VRSa_VESRL  = 0xe738,
     VRSb_VLVG   = 0xe722,
     VRSc_VLGV   = 0xe721,
 
@@ -615,6 +623,18 @@  static void tcg_out_insn_VRRf(TCGContext *s, S390Opcode op,
     tcg_out16(s, (op & 0x00ff) | RXB(v1, 0, 0, 0));
 }
 
+static void tcg_out_insn_VRSa(TCGContext *s, S390Opcode op, TCGReg v1,
+                              intptr_t d2, TCGReg b2, TCGReg v3, int m4)
+{
+    tcg_debug_assert(v1 >= TCG_REG_V0 && v1 <= TCG_REG_V31);
+    tcg_debug_assert(d2 >= 0 && d2 <= 0xfff);
+    tcg_debug_assert(b2 <= TCG_REG_R15);
+    tcg_debug_assert(v3 >= TCG_REG_V0 && v3 <= TCG_REG_V31);
+    tcg_out16(s, (op & 0xff00) | ((v1 & 15) << 4) | (v3 & 15));
+    tcg_out16(s, b2 << 12 | d2);
+    tcg_out16(s, (op & 0x00ff) | RXB(v1, 0, v3, 0) | (m4 << 12));
+}
+
 static void tcg_out_insn_VRSb(TCGContext *s, S390Opcode op, TCGReg v1,
                               intptr_t d2, TCGReg b2, TCGReg r3, int m4)
 {
@@ -2671,6 +2691,43 @@  static void tcg_out_vec_op(TCGContext *s, TCGOpcode opc,
         tcg_out_insn(s, VRRc, VX, a0, a1, a2, 0);
         break;
 
+    case INDEX_op_shli_vec:
+        tcg_out_insn(s, VRSa, VESL, a0, a2, TCG_REG_NONE, a1, vece);
+        break;
+    case INDEX_op_shri_vec:
+        tcg_out_insn(s, VRSa, VESRL, a0, a2, TCG_REG_NONE, a1, vece);
+        break;
+    case INDEX_op_sari_vec:
+        tcg_out_insn(s, VRSa, VESRA, a0, a2, TCG_REG_NONE, a1, vece);
+        break;
+    case INDEX_op_rotli_vec:
+        tcg_out_insn(s, VRSa, VERLL, a0, a2, TCG_REG_NONE, a1, vece);
+        break;
+    case INDEX_op_shls_vec:
+        tcg_out_insn(s, VRSa, VESL, a0, 0, a2, a1, vece);
+        break;
+    case INDEX_op_shrs_vec:
+        tcg_out_insn(s, VRSa, VESRL, a0, 0, a2, a1, vece);
+        break;
+    case INDEX_op_sars_vec:
+        tcg_out_insn(s, VRSa, VESRA, a0, 0, a2, a1, vece);
+        break;
+    case INDEX_op_rotls_vec:
+        tcg_out_insn(s, VRSa, VERLL, a0, 0, a2, a1, vece);
+        break;
+    case INDEX_op_shlv_vec:
+        tcg_out_insn(s, VRRc, VESLV, a0, a1, a2, vece);
+        break;
+    case INDEX_op_shrv_vec:
+        tcg_out_insn(s, VRRc, VESRLV, a0, a1, a2, vece);
+        break;
+    case INDEX_op_sarv_vec:
+        tcg_out_insn(s, VRRc, VESRAV, a0, a1, a2, vece);
+        break;
+    case INDEX_op_rotlv_vec:
+        tcg_out_insn(s, VRRc, VERLLV, a0, a1, a2, vece);
+        break;
+
     case INDEX_op_cmp_vec:
         switch ((TCGCond)args[3]) {
         case TCG_COND_EQ:
@@ -2705,10 +2762,23 @@  int tcg_can_emit_vec_op(TCGOpcode opc, TCGType type, unsigned vece)
     case INDEX_op_not_vec:
     case INDEX_op_or_vec:
     case INDEX_op_orc_vec:
+    case INDEX_op_rotli_vec:
+    case INDEX_op_rotls_vec:
+    case INDEX_op_rotlv_vec:
+    case INDEX_op_sari_vec:
+    case INDEX_op_sars_vec:
+    case INDEX_op_sarv_vec:
+    case INDEX_op_shli_vec:
+    case INDEX_op_shls_vec:
+    case INDEX_op_shlv_vec:
+    case INDEX_op_shri_vec:
+    case INDEX_op_shrs_vec:
+    case INDEX_op_shrv_vec:
     case INDEX_op_sub_vec:
     case INDEX_op_xor_vec:
         return 1;
     case INDEX_op_cmp_vec:
+    case INDEX_op_rotrv_vec:
         return -1;
     case INDEX_op_mul_vec:
         return vece < MO_64;
@@ -2771,7 +2841,7 @@  void tcg_expand_vec_op(TCGOpcode opc, TCGType type, unsigned vece,
                        TCGArg a0, ...)
 {
     va_list va;
-    TCGv_vec v0, v1, v2;
+    TCGv_vec v0, v1, v2, t0;
 
     va_start(va, a0);
     v0 = temp_tcgv_vec(arg_temp(a0));
@@ -2783,6 +2853,13 @@  void tcg_expand_vec_op(TCGOpcode opc, TCGType type, unsigned vece,
         expand_vec_cmp(type, vece, v0, v1, v2, va_arg(va, TCGArg));
         break;
 
+    case INDEX_op_rotrv_vec:
+        t0 = tcg_temp_new_vec(type);
+        tcg_gen_neg_vec(vece, t0, v2);
+        tcg_gen_rotlv_vec(vece, v0, v1, t0);
+        tcg_temp_free_vec(t0);
+        break;
+
     default:
         g_assert_not_reached();
     }
@@ -2939,6 +3016,10 @@  static int tcg_target_op_def(TCGOpcode op)
     case INDEX_op_abs_vec:
     case INDEX_op_neg_vec:
     case INDEX_op_not_vec:
+    case INDEX_op_rotli_vec:
+    case INDEX_op_sari_vec:
+    case INDEX_op_shli_vec:
+    case INDEX_op_shri_vec:
         return C_O1_I1(v, v);
     case INDEX_op_add_vec:
     case INDEX_op_sub_vec:
@@ -2949,7 +3030,17 @@  static int tcg_target_op_def(TCGOpcode op)
     case INDEX_op_xor_vec:
     case INDEX_op_cmp_vec:
     case INDEX_op_mul_vec:
+    case INDEX_op_rotlv_vec:
+    case INDEX_op_rotrv_vec:
+    case INDEX_op_shlv_vec:
+    case INDEX_op_shrv_vec:
+    case INDEX_op_sarv_vec:
         return C_O1_I2(v, v, v);
+    case INDEX_op_rotls_vec:
+    case INDEX_op_shls_vec:
+    case INDEX_op_shrs_vec:
+    case INDEX_op_sars_vec:
+        return C_O1_I2(v, v, r);
 
     default:
         g_assert_not_reached();