From 9ff5b57c219f38f025b95ebf4b593b5d4e828b53 Mon Sep 17 00:00:00 2001
From: Richard Henderson <rth@twiddle.net>
Date: Wed, 23 Sep 2015 10:43:48 -0700
Subject: target-tilegx: Implement complex multiply instructions

Signed-off-by: Richard Henderson <rth@twiddle.net>
---
 target-tilegx/translate.c | 31 ++++++++++++++++++++++++++++++-
 1 file changed, 30 insertions(+), 1 deletion(-)

(limited to 'target-tilegx/translate.c')

diff --git a/target-tilegx/translate.c b/target-tilegx/translate.c
index 9f86fd3710..d7e4d526e2 100644
--- a/target-tilegx/translate.c
+++ b/target-tilegx/translate.c
@@ -276,6 +276,15 @@ static void gen_mul_half(TCGv tdest, TCGv tsrca, TCGv tsrcb,
     tcg_temp_free(t);
 }
 
+static void gen_cmul2(TCGv tdest, TCGv tsrca, TCGv tsrcb, int sh, int rd)
+{
+    TCGv_i32 tsh = tcg_const_i32(sh);
+    TCGv_i32 trd = tcg_const_i32(rd);
+    gen_helper_cmul2(tdest, tsrca, tsrcb, tsh, trd);
+    tcg_temp_free_i32(tsh);
+    tcg_temp_free_i32(trd);
+}
+
 static TileExcp gen_st_opcode(DisasContext *dc, unsigned dest, unsigned srca,
                               unsigned srcb, TCGMemOp memop, const char *name)
 {
@@ -759,13 +768,33 @@ static TileExcp gen_rrr_opcode(DisasContext *dc, unsigned opext,
         mnemonic = "cmpne";
         break;
     case OE_RRR(CMULAF, 0, X0):
+        gen_helper_cmulaf(tdest, load_gr(dc, dest), tsrca, tsrcb);
+        mnemonic = "cmulaf";
+        break;
     case OE_RRR(CMULA, 0, X0):
+        gen_helper_cmula(tdest, load_gr(dc, dest), tsrca, tsrcb);
+        mnemonic = "cmula";
+        break;
     case OE_RRR(CMULFR, 0, X0):
+        gen_cmul2(tdest, tsrca, tsrcb, 15, 1 << 14);
+        mnemonic = "cmulfr";
+        break;
     case OE_RRR(CMULF, 0, X0):
+        gen_cmul2(tdest, tsrca, tsrcb, 15, 0);
+        mnemonic = "cmulf";
+        break;
     case OE_RRR(CMULHR, 0, X0):
+        gen_cmul2(tdest, tsrca, tsrcb, 16, 1 << 15);
+        mnemonic = "cmulhr";
+        break;
     case OE_RRR(CMULH, 0, X0):
+        gen_cmul2(tdest, tsrca, tsrcb, 16, 0);
+        mnemonic = "cmulh";
+        break;
     case OE_RRR(CMUL, 0, X0):
-        return TILEGX_EXCP_OPCODE_UNIMPLEMENTED;
+        gen_helper_cmula(tdest, load_zero(dc), tsrca, tsrcb);
+        mnemonic = "cmul";
+        break;
     case OE_RRR(CRC32_32, 0, X0):
         gen_helper_crc32_32(tdest, tsrca, tsrcb);
         mnemonic = "crc32_32";
-- 
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