[PATCH 19/20] tcg/i386: Implement more logical operations for avx512

[Richard Henderson]

The general ternary logic operation can implement
NOT, ORC, NAND, NOR, EQV.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
 tcg/i386/tcg-target.h     | 10 +++++-----
 tcg/i386/tcg-target.c.inc | 34 ++++++++++++++++++++++++++++++++++
 2 files changed, 39 insertions(+), 5 deletions(-)

diff --git a/tcg/i386/tcg-target.h b/tcg/i386/tcg-target.h
index 841b1febab..433a632d6a 100644
--- a/tcg/i386/tcg-target.h
+++ b/tcg/i386/tcg-target.h
@@ -188,11 +188,11 @@ extern bool have_movbe;
 #define TCG_TARGET_HAS_v256             have_avx2
 
 #define TCG_TARGET_HAS_andc_vec         1
-#define TCG_TARGET_HAS_orc_vec          0
-#define TCG_TARGET_HAS_nand_vec         0
-#define TCG_TARGET_HAS_nor_vec          0
-#define TCG_TARGET_HAS_eqv_vec          0
-#define TCG_TARGET_HAS_not_vec          0
+#define TCG_TARGET_HAS_orc_vec          have_avx512vl
+#define TCG_TARGET_HAS_nand_vec         have_avx512vl
+#define TCG_TARGET_HAS_nor_vec          have_avx512vl
+#define TCG_TARGET_HAS_eqv_vec          have_avx512vl
+#define TCG_TARGET_HAS_not_vec          have_avx512vl
 #define TCG_TARGET_HAS_neg_vec          0
 #define TCG_TARGET_HAS_abs_vec          1
 #define TCG_TARGET_HAS_roti_vec         have_avx512vl
diff --git a/tcg/i386/tcg-target.c.inc b/tcg/i386/tcg-target.c.inc
index f982b6e615..86c66f9522 100644
--- a/tcg/i386/tcg-target.c.inc
+++ b/tcg/i386/tcg-target.c.inc
@@ -447,6 +447,7 @@ static bool tcg_target_const_match(int64_t val, TCGType 
type, int ct)
 #define OPC_VPSRLVW     (0x10 | P_EXT38 | P_DATA16 | P_VEXW | P_EVEX)
 #define OPC_VPSRLVD     (0x45 | P_EXT38 | P_DATA16)
 #define OPC_VPSRLVQ     (0x45 | P_EXT38 | P_DATA16 | P_VEXW)
+#define OPC_VPTERNLOGQ  (0x25 | P_EXT3A | P_DATA16 | P_VEXW | P_EVEX)
 #define OPC_VZEROUPPER  (0x77 | P_EXT)
 #define OPC_XCHG_ax_r32        (0x90)
 
@@ -3004,6 +3005,29 @@ static void tcg_out_vec_op(TCGContext *s, TCGOpcode opc,
         insn = vpshldi_insn[vece];
         sub = args[3];
         goto gen_simd_imm8;
+
+    case INDEX_op_not_vec:
+        insn = OPC_VPTERNLOGQ;
+        a2 = a1;
+        sub = 0x33; /* !B */
+        goto gen_simd_imm8;
+    case INDEX_op_nor_vec:
+        insn = OPC_VPTERNLOGQ;
+        sub = 0x11; /* norCB */
+        goto gen_simd_imm8;
+    case INDEX_op_nand_vec:
+        insn = OPC_VPTERNLOGQ;
+        sub = 0x77; /* nandCB */
+        goto gen_simd_imm8;
+    case INDEX_op_eqv_vec:
+        insn = OPC_VPTERNLOGQ;
+        sub = 0x99; /* xnorCB */
+        goto gen_simd_imm8;
+    case INDEX_op_orc_vec:
+        insn = OPC_VPTERNLOGQ;
+        sub = 0xdd; /* orB!C */
+        goto gen_simd_imm8;
+
     gen_simd_imm8:
         tcg_debug_assert(insn != OPC_UD2);
         if (type == TCG_TYPE_V256) {
@@ -3224,6 +3248,10 @@ static TCGConstraintSetIndex tcg_target_op_def(TCGOpcode 
op)
     case INDEX_op_or_vec:
     case INDEX_op_xor_vec:
     case INDEX_op_andc_vec:
+    case INDEX_op_orc_vec:
+    case INDEX_op_nand_vec:
+    case INDEX_op_nor_vec:
+    case INDEX_op_eqv_vec:
     case INDEX_op_ssadd_vec:
     case INDEX_op_usadd_vec:
     case INDEX_op_sssub_vec:
@@ -3256,6 +3284,7 @@ static TCGConstraintSetIndex tcg_target_op_def(TCGOpcode 
op)
 
     case INDEX_op_abs_vec:
     case INDEX_op_dup_vec:
+    case INDEX_op_not_vec:
     case INDEX_op_shli_vec:
     case INDEX_op_shri_vec:
     case INDEX_op_sari_vec:
@@ -3284,6 +3313,11 @@ int tcg_can_emit_vec_op(TCGOpcode opc, TCGType type, 
unsigned vece)
     case INDEX_op_or_vec:
     case INDEX_op_xor_vec:
     case INDEX_op_andc_vec:
+    case INDEX_op_orc_vec:
+    case INDEX_op_nand_vec:
+    case INDEX_op_nor_vec:
+    case INDEX_op_eqv_vec:
+    case INDEX_op_not_vec:
         return 1;
     case INDEX_op_cmp_vec:
     case INDEX_op_cmpsel_vec:
-- 
2.25.1