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authorPeer Adelt <peer.adelt@c-lab.de>2016-06-07 17:49:14 +0200
committerBastian Koppelmann <kbastian@mail.uni-paderborn.de>2017-01-11 14:37:15 +0100
commit550929dd4622f8e2b1b5c277f32089d83cb1e595 (patch)
tree774453418b3d1bca5090cf2bfa39fe769a07f6aa
parentddd7fead8c8524dc51b9b7c20b1f08a4b34ef653 (diff)
downloadfocaccia-qemu-550929dd4622f8e2b1b5c277f32089d83cb1e595.tar.gz
focaccia-qemu-550929dd4622f8e2b1b5c277f32089d83cb1e595.zip
target-tricore: Added new MOV instruction variant
Puts the content of data register D[a] into E[c][63:32] and the
content of data register D[b] into E[c][31:0].

[BK: fix style error]
[BK: Allocate temporaries only when needed]
Signed-off-by: Peer Adelt <peer.adelt@c-lab.de>
Message-Id: <1465314555-11501-4-git-send-email-peer.adelt@c-lab.de>
Signed-off-by: Bastian Koppelmann <kbastian@mail.uni-paderborn.de>
-rw-r--r--target/tricore/translate.c16
-rw-r--r--target/tricore/tricore-opcodes.h1
2 files changed, 17 insertions, 0 deletions
diff --git a/target/tricore/translate.c b/target/tricore/translate.c
index a8234dba83..1cdd87e8fb 100644
--- a/target/tricore/translate.c
+++ b/target/tricore/translate.c
@@ -6034,6 +6034,8 @@ static void decode_rr_accumulator(CPUTriCoreState *env, DisasContext *ctx)
     uint32_t op2;
     int r3, r2, r1;
 
+    TCGv temp;
+
     r3 = MASK_OP_RR_D(ctx->opcode);
     r2 = MASK_OP_RR_S2(ctx->opcode);
     r1 = MASK_OP_RR_S1(ctx->opcode);
@@ -6224,6 +6226,20 @@ static void decode_rr_accumulator(CPUTriCoreState *env, DisasContext *ctx)
     case OPC2_32_RR_MOV:
         tcg_gen_mov_tl(cpu_gpr_d[r3], cpu_gpr_d[r2]);
         break;
+    case OPC2_32_RR_MOV_64:
+        if (tricore_feature(env, TRICORE_FEATURE_16)) {
+            temp = tcg_temp_new();
+
+            CHECK_REG_PAIR(r3);
+            tcg_gen_mov_tl(temp, cpu_gpr_d[r1]);
+            tcg_gen_mov_tl(cpu_gpr_d[r3], cpu_gpr_d[r2]);
+            tcg_gen_mov_tl(cpu_gpr_d[r3 + 1], temp);
+
+            tcg_temp_free(temp);
+        } else {
+            generate_trap(ctx, TRAPC_INSN_ERR, TIN2_IOPC);
+        }
+        break;
     case OPC2_32_RR_NE:
         tcg_gen_setcond_tl(TCG_COND_NE, cpu_gpr_d[r3], cpu_gpr_d[r1],
                            cpu_gpr_d[r2]);
diff --git a/target/tricore/tricore-opcodes.h b/target/tricore/tricore-opcodes.h
index df666b081f..78ba338640 100644
--- a/target/tricore/tricore-opcodes.h
+++ b/target/tricore/tricore-opcodes.h
@@ -1062,6 +1062,7 @@ enum {
     OPC2_32_RR_MIN_H                             = 0x78,
     OPC2_32_RR_MIN_HU                            = 0x79,
     OPC2_32_RR_MOV                               = 0x1f,
+    OPC2_32_RR_MOV_64                            = 0x81,
     OPC2_32_RR_NE                                = 0x11,
     OPC2_32_RR_OR_EQ                             = 0x27,
     OPC2_32_RR_OR_GE                             = 0x2b,