From fbeee5f77a24523eb0d03b191cb3fb88cea624bc Mon Sep 17 00:00:00 2001
From: Denis Drakhnya <numas13@gmail.com>
Date: Sat, 16 Jan 2021 20:16:06 +0200
Subject: [PATCH] e2k: Add movx{,a,c} instr.

---
 target/e2k/translate/alc.c | 34 +++++++++++++++++++++++++++++++---
 1 file changed, 31 insertions(+), 3 deletions(-)

diff --git a/target/e2k/translate/alc.c b/target/e2k/translate/alc.c
index a14915cbd6..2d79c18cd7 100644
--- a/target/e2k/translate/alc.c
+++ b/target/e2k/translate/alc.c
@@ -1856,6 +1856,34 @@ static inline void gen_movif(Instr *instr)
     gen_al_result_i80(instr, src1.value, src2.value, tag);
 }
 
+static inline void gen_movx(Instr *instr)
+{
+    Src80 src2 = get_src2_i80(instr);
+    TCGv_i32 tag = get_temp_i32(instr);
+    gen_tag1_i64(tag, src2.tag);
+    gen_al_result_i80(instr, src2.lo, src2.hi, tag);
+}
+
+static inline void gen_movxa(Instr *instr)
+{
+    Src80 src2 = get_src2_i80(instr);
+    TCGv_i32 tag = get_temp_i32(instr);
+    TCGv_i32 dst_hi = get_temp_i32(instr);
+    gen_tag1_i64(tag, src2.tag);
+    tcg_gen_andi_i32(dst_hi, src2.hi, 0x7fff);
+    gen_al_result_i80(instr, src2.lo, dst_hi, tag);
+}
+
+static inline void gen_movxc(Instr *instr)
+{
+    Src80 src2 = get_src2_i80(instr);
+    TCGv_i32 tag = get_temp_i32(instr);
+    TCGv_i32 dst_hi = get_temp_i32(instr);
+    gen_tag1_i64(tag, src2.tag);
+    tcg_gen_ori_i32(dst_hi, src2.hi, 0x8000);
+    gen_al_result_i80(instr, src2.lo, dst_hi, tag);
+}
+
 static inline void gen_fstofx(Src80 *ret, TCGv_i32 src2)
 {
     TCGv_ptr t0 = tcg_temp_new_ptr();
@@ -3150,6 +3178,9 @@ static void gen_op(DisasContext *ctx, Instr *instr)
     case OP_FXDIVXS: gen_alopf1_xxs(instr, gen_helper_fxdivxx); break;
     case OP_MOVFI: gen_movfi(instr); break;
     case OP_MOVIF: gen_movif(instr); break;
+    case OP_MOVX: gen_movx(instr); break;
+    case OP_MOVXA: gen_movxa(instr); break;
+    case OP_MOVXC: gen_movxc(instr); break;
     case OP_MOVTD: gen_movtd(instr); break;
     case OP_PANDD: gen_alopf1_ddd(instr, tcg_gen_and_i64); break;
     case OP_PANDND: gen_alopf1_ddd(instr, gen_andn_i64); break;
@@ -3528,9 +3559,6 @@ static void gen_op(DisasContext *ctx, Instr *instr)
     case OP_MOVTRCQ:
     case OP_FXTOISTR:
     case OP_FXTOIDTR:
-    case OP_MOVX:
-    case OP_MOVXA:
-    case OP_MOVXC:
     case OP_PFHADDS:
     case OP_PFHSUBS:
     case OP_PFADDSUBS: