From 29e6159623292fe882a2df7ae4bdfa2bd0d1e2ce Mon Sep 17 00:00:00 2001
From: Meri Khamoyan <96171496+mkhamoyan@users.noreply.github.com>
Date: Mon, 7 Mar 2022 19:35:12 +0400
Subject: [PATCH] Merikhamoyan vector intrinsics operators (#66002)

* Added addition and subtraction operator intrinsics
---
 src/mono/mono/mini/simd-intrinsics.c | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/src/mono/mono/mini/simd-intrinsics.c b/src/mono/mono/mini/simd-intrinsics.c
index 39342e8..11e56c7 100644
--- a/src/mono/mono/mini/simd-intrinsics.c
+++ b/src/mono/mono/mini/simd-intrinsics.c
@@ -958,8 +958,10 @@ static guint16 vector64_vector128_t_methods [] = {
 	SN_get_Count,
 	SN_get_IsSupported,
 	SN_get_Zero,
+	SN_op_Addition,
 	SN_op_Equality,
 	SN_op_Inequality,
+	SN_op_Subtraction,
 };
 
 static MonoInst*
@@ -1022,6 +1024,18 @@ emit_vector64_vector128_t (MonoCompile *cfg, MonoMethod *cmethod, MonoMethodSign
 		}
 		break;
 	}
+	case SN_op_Addition:
+	case SN_op_Subtraction: {	
+		if (!(fsig->param_count == 2 && mono_metadata_type_equal (fsig->ret, type) && mono_metadata_type_equal (fsig->params [0], type) && mono_metadata_type_equal (fsig->params [1], type)))
+			return NULL;
+		MonoInst *ins = emit_simd_ins (cfg, klass, OP_XBINOP, args [0]->dreg, args [1]->dreg);
+		ins->inst_c1 = etype->type;
+		if (etype->type == MONO_TYPE_R4 || etype->type == MONO_TYPE_R8)
+			ins->inst_c0 = id == SN_op_Addition ? OP_FADD : OP_FSUB;
+		else
+			ins->inst_c0 = id == SN_op_Addition ? OP_IADD : OP_ISUB;
+		return ins;
+	}
 	case SN_op_Equality:
 	case SN_op_Inequality:
 		g_assert (fsig->param_count == 2 && fsig->ret->type == MONO_TYPE_BOOLEAN &&
-- 
2.7.4