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From: Blue Swirl <blauwirbel@gmail.com>
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Date: Sun, 21 Sep 2008 18:32:29 +0000
Subject: [Qemu-devel] [5282] Add concat32_i64 and concat_tl_i64 ops
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Revision: 5282
          http://svn.sv.gnu.org/viewvc/?view=rev&root=qemu&revision=5282
Author:   blueswir1
Date:     2008-09-21 18:32:28 +0000 (Sun, 21 Sep 2008)

Log Message:
-----------
Add concat32_i64 and concat_tl_i64 ops

Modified Paths:
--------------
    trunk/tcg/README
    trunk/tcg/tcg-op.h

Modified: trunk/tcg/README
===================================================================
--- trunk/tcg/README	2008-09-21 14:49:09 UTC (rev 5281)
+++ trunk/tcg/README	2008-09-21 18:32:28 UTC (rev 5282)
@@ -269,6 +269,10 @@
 Construct t0 (64-bit) taking the low half from t1 (32 bit) and the high half
 from t2 (32 bit).
 
+* concat32_i64 t0, t1, t2
+Construct t0 (64-bit) taking the low half from t1 (64 bit) and the high half
+from t2 (64 bit).
+
 ********* Load/Store
 
 * ld_i32/i64 t0, t1, offset

Modified: trunk/tcg/tcg-op.h
===================================================================
--- trunk/tcg/tcg-op.h	2008-09-21 14:49:09 UTC (rev 5281)
+++ trunk/tcg/tcg-op.h	2008-09-21 18:32:28 UTC (rev 5282)
@@ -1412,6 +1412,18 @@
 #endif
 }
 
+static inline void tcg_gen_concat32_i64(TCGv dest, TCGv low, TCGv high)
+{
+#if TCG_TARGET_REG_BITS == 32
+    tcg_gen_concat_i32_i64(dest, low, high);
+#else
+    TCGv tmp = tcg_temp_new(TCG_TYPE_I64);
+    tcg_gen_shli_i64(tmp, high, 32);
+    tcg_gen_or_i64(dest, low, tmp);
+    tcg_temp_free(tmp);
+#endif
+}
+
 /***************************************/
 /* QEMU specific operations. Their type depend on the QEMU CPU
    type. */
@@ -1664,6 +1676,7 @@
 #define tcg_gen_ext16s_tl tcg_gen_ext16s_i64
 #define tcg_gen_ext32u_tl tcg_gen_ext32u_i64
 #define tcg_gen_ext32s_tl tcg_gen_ext32s_i64
+#define tcg_gen_concat_tl_i64 tcg_gen_concat32_i64
 #define tcg_const_tl tcg_const_i64
 #else
 #define TCG_TYPE_TL TCG_TYPE_I32
@@ -1715,6 +1728,7 @@
 #define tcg_gen_ext16s_tl tcg_gen_ext16s_i32
 #define tcg_gen_ext32u_tl tcg_gen_mov_i32
 #define tcg_gen_ext32s_tl tcg_gen_mov_i32
+#define tcg_gen_concat_tl_i64 tcg_gen_concat_i32_i64
 #define tcg_const_tl tcg_const_i32
 #endif