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authorRichard Henderson <rth@twiddle.net>2016-10-14 14:18:03 -0500
committerRichard Henderson <rth@twiddle.net>2017-01-10 08:03:59 -0800
commitc05021c3c8d6c976e4677d3010b9ef01488a4434 (patch)
tree680f31eb39fc52db509860270f177343f3318793 /tcg/ppc
parentbefbb3ced5869003ee2e806c4f36e306918d2374 (diff)
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tcg/ppc: Implement field extraction opcodes
Reviewed-by: David Gibson <david@gibson.dropbear.id.au> Signed-off-by: Richard Henderson <rth@twiddle.net>
Diffstat (limited to 'tcg/ppc')
-rw-r--r--tcg/ppc/tcg-target.h4
-rw-r--r--tcg/ppc/tcg-target.inc.c10
2 files changed, 12 insertions, 2 deletions
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" } },