[Qemu-devel] [6806] tcg/x86: add not/neg/extu/bswap/rot i32 ops

[Aurelien Jarno]

Revision: 6806
          http://svn.sv.gnu.org/viewvc/?view=rev&root=qemu&revision=6806
Author:   aurel32
Date:     2009-03-10 19:37:46 +0000 (Tue, 10 Mar 2009)
Log Message:
-----------
tcg/x86: add not/neg/extu/bswap/rot i32 ops

Signed-off-by: Aurelien Jarno <address@hidden>

Modified Paths:
--------------
    trunk/tcg/i386/tcg-target.c
    trunk/tcg/i386/tcg-target.h

Modified: trunk/tcg/i386/tcg-target.c
===================================================================
--- trunk/tcg/i386/tcg-target.c 2009-03-10 19:37:39 UTC (rev 6805)
+++ trunk/tcg/i386/tcg-target.c 2009-03-10 19:37:46 UTC (rev 6806)
@@ -158,6 +158,8 @@
 #define ARITH_XOR 6
 #define ARITH_CMP 7
 
+#define SHIFT_ROL 0
+#define SHIFT_ROR 1
 #define SHIFT_SHL 4
 #define SHIFT_SHR 5
 #define SHIFT_SAR 7
@@ -998,7 +1000,13 @@
     case INDEX_op_sar_i32:
         c = SHIFT_SAR;
         goto gen_shift32;
-        
+    case INDEX_op_rotl_i32:
+        c = SHIFT_ROL;
+        goto gen_shift32;
+    case INDEX_op_rotr_i32:
+        c = SHIFT_ROR;
+        goto gen_shift32;
+
     case INDEX_op_add2_i32:
         if (const_args[4]) 
             tgen_arithi(s, ARITH_ADD, args[0], args[4]);
@@ -1026,6 +1034,25 @@
         tcg_out_brcond2(s, args, const_args);
         break;
 
+    case INDEX_op_bswap_i32:
+        tcg_out_opc(s, (0xc8 + args[0]) | P_EXT);
+        break;
+
+    case INDEX_op_neg_i32:
+        tcg_out_modrm(s, 0xf7, 3, args[0]);
+        break;
+
+    case INDEX_op_not_i32:
+        tcg_out_modrm(s, 0xf7, 2, args[0]);
+        break;
+
+    case INDEX_op_ext8s_i32:
+        tcg_out_modrm(s, 0xbe | P_EXT, args[0], args[1]);
+        break;
+    case INDEX_op_ext16s_i32:
+        tcg_out_modrm(s, 0xbf | P_EXT, args[0], args[1]);
+        break;
+
     case INDEX_op_qemu_ld8u:
         tcg_out_qemu_ld(s, args, 0);
         break;
@@ -1093,6 +1120,9 @@
     { INDEX_op_shl_i32, { "r", "0", "ci" } },
     { INDEX_op_shr_i32, { "r", "0", "ci" } },
     { INDEX_op_sar_i32, { "r", "0", "ci" } },
+    { INDEX_op_sar_i32, { "r", "0", "ci" } },
+    { INDEX_op_rotl_i32, { "r", "0", "ci" } },
+    { INDEX_op_rotr_i32, { "r", "0", "ci" } },
 
     { INDEX_op_brcond_i32, { "r", "ri" } },
 
@@ -1100,6 +1130,15 @@
     { INDEX_op_sub2_i32, { "r", "r", "0", "1", "ri", "ri" } },
     { INDEX_op_brcond2_i32, { "r", "r", "ri", "ri" } },
 
+    { INDEX_op_bswap_i32, { "r", "0" } },
+
+    { INDEX_op_neg_i32, { "r", "0" } },
+
+    { INDEX_op_not_i32, { "r", "0" } },
+
+    { INDEX_op_ext8s_i32, { "r", "q" } },
+    { INDEX_op_ext16s_i32, { "r", "r" } },
+
 #if TARGET_LONG_BITS == 32
     { INDEX_op_qemu_ld8u, { "r", "L" } },
     { INDEX_op_qemu_ld8s, { "r", "L" } },

Modified: trunk/tcg/i386/tcg-target.h
===================================================================
--- trunk/tcg/i386/tcg-target.h 2009-03-10 19:37:39 UTC (rev 6805)
+++ trunk/tcg/i386/tcg-target.h 2009-03-10 19:37:46 UTC (rev 6806)
@@ -44,6 +44,14 @@
 #define TCG_TARGET_STACK_ALIGN 16
 #define TCG_TARGET_CALL_STACK_OFFSET 0
 
+/* optional instructions */
+#define TCG_TARGET_HAS_bswap_i32
+#define TCG_TARGET_HAS_neg_i32
+#define TCG_TARGET_HAS_not_i32
+#define TCG_TARGET_HAS_ext8s_i32
+#define TCG_TARGET_HAS_ext16s_i32
+#define TCG_TARGET_HAS_rot_i32
+
 /* Note: must be synced with dyngen-exec.h */
 #define TCG_AREG0 TCG_REG_EBP
 #define TCG_AREG1 TCG_REG_EBX