diff mbox

[v3,09/18] tcg/ppc: Implement field extraction opcodes

Message ID 1479326625-10682-10-git-send-email-rth@twiddle.net
State New
Headers show

Commit Message

Richard Henderson Nov. 16, 2016, 8:03 p.m. UTC 
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Richard Henderson <rth@twiddle.net>
---
 tcg/ppc/tcg-target.h     |  4 ++--
 tcg/ppc/tcg-target.inc.c | 10 ++++++++++
 2 files changed, 12 insertions(+), 2 deletions(-)
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Patch

diff --git a/tcg/ppc/tcg-target.h b/tcg/ppc/tcg-target.h
index c765d3e..b42c57a 100644
--- a/tcg/ppc/tcg-target.h
+++ b/tcg/ppc/tcg-target.h
@@ -69,7 +69,7 @@  typedef enum {
 #define TCG_TARGET_HAS_nand_i32         1
 #define TCG_TARGET_HAS_nor_i32          1
 #define TCG_TARGET_HAS_deposit_i32      1
-#define TCG_TARGET_HAS_extract_i32      0
+#define TCG_TARGET_HAS_extract_i32      1
 #define TCG_TARGET_HAS_sextract_i32     0
 #define TCG_TARGET_HAS_movcond_i32      1
 #define TCG_TARGET_HAS_mulu2_i32        0
@@ -102,7 +102,7 @@  typedef enum {
 #define TCG_TARGET_HAS_nand_i64         1
 #define TCG_TARGET_HAS_nor_i64          1
 #define TCG_TARGET_HAS_deposit_i64      1
-#define TCG_TARGET_HAS_extract_i64      0
+#define TCG_TARGET_HAS_extract_i64      1
 #define TCG_TARGET_HAS_sextract_i64     0
 #define TCG_TARGET_HAS_movcond_i64      1
 #define TCG_TARGET_HAS_add2_i64         1
diff --git a/tcg/ppc/tcg-target.inc.c b/tcg/ppc/tcg-target.inc.c
index a3262cf..7ec54a2 100644
--- a/tcg/ppc/tcg-target.inc.c
+++ b/tcg/ppc/tcg-target.inc.c
@@ -2396,6 +2396,14 @@  static void tcg_out_op(TCGContext *s, TCGOpcode opc, const TCGArg *args,
         }
         break;
 
+    case INDEX_op_extract_i32:
+        tcg_out_rlw(s, RLWINM, args[0], args[1],
+                    32 - args[2], 32 - args[3], 31);
+        break;
+    case INDEX_op_extract_i64:
+        tcg_out_rld(s, RLDICL, args[0], args[1], 64 - args[2], 64 - args[3]);
+        break;
+
     case INDEX_op_movcond_i32:
         tcg_out_movcond(s, TCG_TYPE_I32, args[5], args[0], args[1], args[2],
                         args[3], args[4], const_args[2]);
@@ -2530,6 +2538,7 @@  static const TCGTargetOpDef ppc_op_defs[] = {
     { INDEX_op_movcond_i32, { "r", "r", "ri", "rZ", "rZ" } },
 
     { INDEX_op_deposit_i32, { "r", "0", "rZ" } },
+    { INDEX_op_extract_i32, { "r", "r" } },
 
     { INDEX_op_muluh_i32, { "r", "r", "r" } },
     { INDEX_op_mulsh_i32, { "r", "r", "r" } },
@@ -2585,6 +2594,7 @@  static const TCGTargetOpDef ppc_op_defs[] = {
     { INDEX_op_movcond_i64, { "r", "r", "ri", "rZ", "rZ" } },
 
     { INDEX_op_deposit_i64, { "r", "0", "rZ" } },
+    { INDEX_op_extract_i64, { "r", "r" } },
 
     { INDEX_op_mulsh_i64, { "r", "r", "r" } },
     { INDEX_op_muluh_i64, { "r", "r", "r" } },