add @regs_read_count, @regs_write_count, @groups_count to @cs_insn. bump API to 1.4
diff --git a/arch/AArch64/mapping.c b/arch/AArch64/mapping.c
index e956044..dcf5f1d 100644
--- a/arch/AArch64/mapping.c
+++ b/arch/AArch64/mapping.c
@@ -1878,22 +1878,24 @@
 	int i = insn_find(insns, ARR_SIZE(insns), id);
 	if (i != -1) {
 		insn->id = insns[i].mapid;
+
 		memcpy(insn->regs_read, insns[i].regs_use, sizeof(insns[i].regs_use));
+		insn->regs_read_count = count_positive(insns[i].regs_use);
+
 		memcpy(insn->regs_write, insns[i].regs_mod, sizeof(insns[i].regs_mod));
+		insn->regs_write_count = count_positive(insns[i].regs_mod);
+
 		memcpy(insn->groups, insns[i].groups, sizeof(insns[i].groups));
-		// call cs_reg_write() with handle = 1 to pass handle check
+		insn->groups_count = count_positive(insns[i].groups);
+
+		// call cs_reg_write() with handle = 1 to bypass handle check
 		// we only need to find if this insn modifies ARM64_REG_NZCV
 		insn->arm64.update_flags = cs_reg_write(1, insn, ARM64_REG_NZCV);
 
 		if (insns[i].branch || insns[i].indirect_branch) {
-			// this insn also belongs to JUMP group
-			int j;
-			for (j = 0; j < ARR_SIZE(insns[i].groups); j++) {
-				if (insn->groups[j] == 0) {
-					insn->groups[j] = ARM64_GRP_JUMP;
-					break;
-				}
-			}
+			// this insn also belongs to JUMP group. add JUMP group
+			insn->groups[insn->groups_count] = ARM64_GRP_JUMP;
+			insn->groups_count++;
 		}
 	}
 }
diff --git a/arch/ARM/mapping.c b/arch/ARM/mapping.c
index a7b8595..79e02ca 100644
--- a/arch/ARM/mapping.c
+++ b/arch/ARM/mapping.c
@@ -2302,20 +2302,24 @@
 	int i = insn_find(insns, ARR_SIZE(insns), id);
 	if (i != -1) {
 		insn->id = insns[i].mapid;
+
 		memcpy(insn->regs_read, insns[i].regs_use, sizeof(insns[i].regs_use));
+		insn->regs_read_count = count_positive(insns[i].regs_use);
+
 		memcpy(insn->regs_write, insns[i].regs_mod, sizeof(insns[i].regs_mod));
+		insn->regs_write_count = count_positive(insns[i].regs_mod);
+
 		memcpy(insn->groups, insns[i].groups, sizeof(insns[i].groups));
+		insn->groups_count = count_positive(insns[i].groups);
+
+		// call cs_reg_write() with handle = 1 to bypass handle check
+		// we only need to find if this insn modifies ARM64_REG_NZCV
 		insn->arm.update_flags = cs_reg_write(1, insn, ARM_REG_CPSR);
 
 		if (insns[i].branch || insns[i].indirect_branch) {
-			// this insn also belongs to JUMP group
-			int j;
-			for (j = 0; j < ARR_SIZE(insns[i].groups); j++) {
-				if (insn->groups[j] == 0) {
-					insn->groups[j] = ARM_GRP_JUMP;
-					break;
-				}
-			}
+			// this insn also belongs to JUMP group. add JUMP group
+			insn->groups[insn->groups_count] = ARM_GRP_JUMP;
+			insn->groups_count++;
 		}
 	}
 }
diff --git a/arch/Mips/mapping.c b/arch/Mips/mapping.c
index 8127c34..b70509d 100644
--- a/arch/Mips/mapping.c
+++ b/arch/Mips/mapping.c
@@ -1386,19 +1386,20 @@
 	for (i = 0; i < ARR_SIZE(alias_insns); i++) {
 		if (alias_insns[i].id == id) {
 			insn->id = alias_insns[i].mapid;
-			memcpy(insn->regs_read, alias_insns[i].regs_use, sizeof(alias_insns[i].regs_use));
-			memcpy(insn->regs_write, alias_insns[i].regs_mod, sizeof(alias_insns[i].regs_mod));
-			memcpy(insn->groups, alias_insns[i].groups, sizeof(alias_insns[i].groups));
+
+			memcpy(insn->regs_read, insns[i].regs_use, sizeof(insns[i].regs_use));
+			insn->regs_read_count = count_positive(insns[i].regs_use);
+
+			memcpy(insn->regs_write, insns[i].regs_mod, sizeof(insns[i].regs_mod));
+			insn->regs_write_count = count_positive(insns[i].regs_mod);
+
+			memcpy(insn->groups, insns[i].groups, sizeof(insns[i].groups));
+			insn->groups_count = count_positive(insns[i].groups);
 
 			if (insns[i].branch || insns[i].indirect_branch) {
-				// this insn also belongs to JUMP group
-				int j;
-				for (j = 0; j < ARR_SIZE(insns[i].groups); j++) {
-					if (insn->groups[j] == 0) {
-						insn->groups[j] = MIPS_GRP_JUMP;
-						break;
-					}
-				}
+				// this insn also belongs to JUMP group. add JUMP group
+				insn->groups[insn->groups_count] = MIPS_GRP_JUMP;
+				insn->groups_count++;
 			}
 
 			return;
@@ -1408,19 +1409,20 @@
 	i = insn_find(insns, ARR_SIZE(insns), id);
 	if (i != -1) {
 		insn->id = insns[i].mapid;
+
 		memcpy(insn->regs_read, insns[i].regs_use, sizeof(insns[i].regs_use));
+		insn->regs_read_count = count_positive(insns[i].regs_use);
+
 		memcpy(insn->regs_write, insns[i].regs_mod, sizeof(insns[i].regs_mod));
+		insn->regs_write_count = count_positive(insns[i].regs_mod);
+
 		memcpy(insn->groups, insns[i].groups, sizeof(insns[i].groups));
+		insn->groups_count = count_positive(insns[i].groups);
 
 		if (insns[i].branch || insns[i].indirect_branch) {
-			// this insn also belongs to JUMP group
-			int j;
-			for (j = 0; j < ARR_SIZE(insns[i].groups); j++) {
-				if (insn->groups[j] == 0) {
-					insn->groups[j] = MIPS_GRP_JUMP;
-					break;
-				}
-			}
+			// this insn also belongs to JUMP group. add JUMP group
+			insn->groups[insn->groups_count] = MIPS_GRP_JUMP;
+			insn->groups_count++;
 		}
 	}
 }
diff --git a/arch/X86/mapping.c b/arch/X86/mapping.c
index e6a3c2b..7c8f4a3 100644
--- a/arch/X86/mapping.c
+++ b/arch/X86/mapping.c
@@ -6576,19 +6576,20 @@
 	int i = insn_find(insns, ARR_SIZE(insns), id);
 	if (i != -1) {
 		insn->id = insns[i].mapid;
+
 		memcpy(insn->regs_read, insns[i].regs_use, sizeof(insns[i].regs_use));
+		insn->regs_read_count = count_positive(insns[i].regs_use);
+
 		memcpy(insn->regs_write, insns[i].regs_mod, sizeof(insns[i].regs_mod));
+		insn->regs_write_count = count_positive(insns[i].regs_mod);
+
 		memcpy(insn->groups, insns[i].groups, sizeof(insns[i].groups));
+		insn->groups_count = count_positive(insns[i].groups);
 
 		if (insns[i].branch || insns[i].indirect_branch) {
-			// this insn also belongs to JUMP group
-			int j;
-			for (j = 0; j < ARR_SIZE(insns[i].groups); j++) {
-				if (insn->groups[j] == 0) {
-					insn->groups[j] = X86_GRP_JUMP;
-					break;
-				}
-			}
+			// this insn also belongs to JUMP group. add JUMP group
+			insn->groups[insn->groups_count] = X86_GRP_JUMP;
+			insn->groups_count++;
 		}
 	}
 }