[Qemu-devel] [4934] Provide extNs_M instructions

[malc]

Revision: 4934
          http://svn.sv.gnu.org/viewvc/?view=rev&root=qemu&revision=4934
Author:   malc
Date:     2008-07-23 20:01:23 +0000 (Wed, 23 Jul 2008)

Log Message:
-----------
Provide extNs_M instructions

Modified Paths:
--------------
    trunk/tcg/ppc/tcg-target.c
    trunk/tcg/ppc/tcg-target.h
    trunk/tcg/ppc64/tcg-target.c
    trunk/tcg/ppc64/tcg-target.h

Modified: trunk/tcg/ppc/tcg-target.c
===================================================================
--- trunk/tcg/ppc/tcg-target.c  2008-07-23 20:01:19 UTC (rev 4933)
+++ trunk/tcg/ppc/tcg-target.c  2008-07-23 20:01:23 UTC (rev 4934)
@@ -1339,6 +1339,13 @@
         tcg_out_qemu_st(s, args, 3);
         break;
 
+    case INDEX_op_ext8s_i32:
+        tcg_out32 (s, EXTSB | RS (args[1]) | RA (args[0]));
+        break;
+    case INDEX_op_ext16s_i32:
+        tcg_out32 (s, EXTSH | RS (args[1]) | RA (args[0]));
+        break;
+
     default:
         tcg_dump_ops (s, stderr);
         tcg_abort ();
@@ -1415,6 +1422,9 @@
     { INDEX_op_qemu_st64, { "M", "M", "M", "M" } },
 #endif
 
+    { INDEX_op_ext8s_i32, { "r", "r" } },
+    { INDEX_op_ext16s_i32, { "r", "r" } },
+
     { -1 },
 };
 

Modified: trunk/tcg/ppc/tcg-target.h
===================================================================
--- trunk/tcg/ppc/tcg-target.h  2008-07-23 20:01:19 UTC (rev 4933)
+++ trunk/tcg/ppc/tcg-target.h  2008-07-23 20:01:23 UTC (rev 4934)
@@ -71,6 +71,8 @@
 /* optional instructions */
 #define TCG_TARGET_HAS_neg_i32
 #define TCG_TARGET_HAS_div_i32
+#define TCG_TARGET_HAS_ext8s_i32
+#define TCG_TARGET_HAS_ext16s_i32
 
 #define TCG_AREG0 TCG_REG_R27
 #define TCG_AREG1 TCG_REG_R24

Modified: trunk/tcg/ppc64/tcg-target.c
===================================================================
--- trunk/tcg/ppc64/tcg-target.c        2008-07-23 20:01:19 UTC (rev 4933)
+++ trunk/tcg/ppc64/tcg-target.c        2008-07-23 20:01:23 UTC (rev 4934)
@@ -969,6 +969,8 @@
 static void tcg_out_op (TCGContext *s, int opc, const TCGArg *args,
                         const int *const_args)
 {
+    int c;
+
     switch (opc) {
     case INDEX_op_exit_tb:
         tcg_out_movi (s, TCG_TYPE_I64, TCG_REG_R3, args[0]);
@@ -1313,6 +1315,21 @@
         tcg_out_qemu_st (s, args, 3);
         break;
 
+    case INDEX_op_ext8s_i32:
+    case INDEX_op_ext8s_i64:
+        c = EXTSB;
+        goto gen_ext;
+    case INDEX_op_ext16s_i32:
+    case INDEX_op_ext16s_i64:
+        c = EXTSH;
+        goto gen_ext;
+    case INDEX_op_ext32s_i64:
+        c = EXTSW;
+        goto gen_ext;
+    gen_ext:
+        tcg_out32 (s, c | RS (args[1]) | RA (args[0]));
+        break;
+
     default:
         tcg_dump_ops (s, stderr);
         tcg_abort ();
@@ -1404,6 +1421,12 @@
     { INDEX_op_qemu_st32, { "K", "K" } },
     { INDEX_op_qemu_st64, { "M", "M", "M" } },
 
+    { INDEX_op_ext8s_i32, { "r", "r" } },
+    { INDEX_op_ext16s_i32, { "r", "r" } },
+    { INDEX_op_ext8s_i64, { "r", "r" } },
+    { INDEX_op_ext16s_i64, { "r", "r" } },
+    { INDEX_op_ext32s_i64, { "r", "r" } },
+
     { -1 },
 };
 

Modified: trunk/tcg/ppc64/tcg-target.h
===================================================================
--- trunk/tcg/ppc64/tcg-target.h        2008-07-23 20:01:19 UTC (rev 4933)
+++ trunk/tcg/ppc64/tcg-target.h        2008-07-23 20:01:23 UTC (rev 4934)
@@ -72,6 +72,11 @@
 #define TCG_TARGET_HAS_div_i32
 #define TCG_TARGET_HAS_neg_i64
 #define TCG_TARGET_HAS_div_i64
+#define TCG_TARGET_HAS_ext8s_i32
+#define TCG_TARGET_HAS_ext16s_i32
+#define TCG_TARGET_HAS_ext8s_i64
+#define TCG_TARGET_HAS_ext16s_i64
+#define TCG_TARGET_HAS_ext32s_i64
 
 #define TCG_AREG0 TCG_REG_R27
 #define TCG_AREG1 TCG_REG_R24