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[Qemu-devel] [PATCH v2 15/27] tcg-ppc64: Implement rotates
From: |
Richard Henderson |
Subject: |
[Qemu-devel] [PATCH v2 15/27] tcg-ppc64: Implement rotates |
Date: |
Mon, 4 Mar 2013 16:32:58 -0800 |
Signed-off-by: Richard Henderson <address@hidden>
---
tcg/ppc64/tcg-target.c | 39 +++++++++++++++++++++++++++++++++++++++
tcg/ppc64/tcg-target.h | 4 ++--
2 files changed, 41 insertions(+), 2 deletions(-)
diff --git a/tcg/ppc64/tcg-target.c b/tcg/ppc64/tcg-target.c
index 4a55ae7..a08ad90 100644
--- a/tcg/ppc64/tcg-target.c
+++ b/tcg/ppc64/tcg-target.c
@@ -336,11 +336,14 @@ static int tcg_target_const_match (tcg_target_long val,
#define LWZU OPCD( 33)
#define STWU OPCD( 37)
+#define RLWIMI OPCD( 20)
#define RLWINM OPCD( 21)
+#define RLWNM OPCD( 23)
#define RLDICL XO30( 0)
#define RLDICR XO30( 1)
#define RLDIMI XO30( 3)
+#define RLDCL XO30( 8)
#define BCLR XO19( 16)
#define BCCTR XO19(528)
@@ -1467,6 +1470,23 @@ static void tcg_out_op (TCGContext *s, TCGOpcode opc,
const TCGArg *args,
else
tcg_out32 (s, SRAW | SAB (args[1], args[0], args[2]));
break;
+ case INDEX_op_rotl_i32:
+ if (const_args[2]) {
+ tcg_out_rlw(s, RLWINM, args[0], args[1], args[2], 0, 31);
+ } else {
+ tcg_out32(s, RLWNM | SAB(args[1], args[0], args[2])
+ | MB(0) | ME(31));
+ }
+ break;
+ case INDEX_op_rotr_i32:
+ if (const_args[2]) {
+ tcg_out_rlw(s, RLWINM, args[0], args[1], 32 - args[2], 0, 31);
+ } else {
+ tcg_out32(s, SUBFIC | TAI(0, args[2], 32));
+ tcg_out32(s, RLWNM | SAB(args[1], args[0], args[2])
+ | MB(0) | ME(31));
+ }
+ break;
case INDEX_op_brcond_i32:
tcg_out_brcond (s, args[2], args[0], args[1], const_args[1], args[3],
0);
@@ -1549,6 +1569,21 @@ static void tcg_out_op (TCGContext *s, TCGOpcode opc,
const TCGArg *args,
else
tcg_out32 (s, SRAD | SAB (args[1], args[0], args[2]));
break;
+ case INDEX_op_rotl_i64:
+ if (const_args[2]) {
+ tcg_out_rld(s, RLDICL, args[0], args[1], args[2], 0);
+ } else {
+ tcg_out32(s, RLDCL | SAB(args[1], args[0], args[2]) | MB64(0));
+ }
+ break;
+ case INDEX_op_rotr_i64:
+ if (const_args[2]) {
+ tcg_out_rld(s, RLDICL, args[0], args[1], 64 - args[2], 0);
+ } else {
+ tcg_out32(s, SUBFIC | TAI(0, args[2], 64));
+ tcg_out32(s, RLDCL | SAB(args[1], args[0], 0) | MB64(0));
+ }
+ break;
case INDEX_op_mul_i64:
tcg_out32 (s, MULLD | TAB (args[0], args[1], args[2]));
@@ -1685,6 +1720,8 @@ static const TCGTargetOpDef ppc_op_defs[] = {
{ INDEX_op_shl_i32, { "r", "r", "ri" } },
{ INDEX_op_shr_i32, { "r", "r", "ri" } },
{ INDEX_op_sar_i32, { "r", "r", "ri" } },
+ { INDEX_op_rotl_i32, { "r", "r", "ri" } },
+ { INDEX_op_rotr_i32, { "r", "r", "ri" } },
{ INDEX_op_brcond_i32, { "r", "ri" } },
{ INDEX_op_brcond_i64, { "r", "ri" } },
@@ -1701,6 +1738,8 @@ static const TCGTargetOpDef ppc_op_defs[] = {
{ INDEX_op_shl_i64, { "r", "r", "ri" } },
{ INDEX_op_shr_i64, { "r", "r", "ri" } },
{ INDEX_op_sar_i64, { "r", "r", "ri" } },
+ { INDEX_op_rotl_i64, { "r", "r", "ri" } },
+ { INDEX_op_rotr_i64, { "r", "r", "ri" } },
{ INDEX_op_mul_i64, { "r", "r", "r" } },
{ INDEX_op_div_i64, { "r", "r", "r" } },
diff --git a/tcg/ppc64/tcg-target.h b/tcg/ppc64/tcg-target.h
index aa6a0f0..dbefe7d 100644
--- a/tcg/ppc64/tcg-target.h
+++ b/tcg/ppc64/tcg-target.h
@@ -69,7 +69,7 @@ typedef enum {
/* optional instructions */
#define TCG_TARGET_HAS_div_i32 1
-#define TCG_TARGET_HAS_rot_i32 0
+#define TCG_TARGET_HAS_rot_i32 1
#define TCG_TARGET_HAS_ext8s_i32 1
#define TCG_TARGET_HAS_ext16s_i32 1
#define TCG_TARGET_HAS_ext8u_i32 0
@@ -91,7 +91,7 @@ typedef enum {
#define TCG_TARGET_HAS_muls2_i32 0
#define TCG_TARGET_HAS_div_i64 1
-#define TCG_TARGET_HAS_rot_i64 0
+#define TCG_TARGET_HAS_rot_i64 1
#define TCG_TARGET_HAS_ext8s_i64 1
#define TCG_TARGET_HAS_ext16s_i64 1
#define TCG_TARGET_HAS_ext32s_i64 1
--
1.8.1.2
- [Qemu-devel] [PATCH v2 05/27] tcg-ppc64: Introduce and use tcg_out_shli64, (continued)
- [Qemu-devel] [PATCH v2 05/27] tcg-ppc64: Introduce and use tcg_out_shli64, Richard Henderson, 2013/03/04
- [Qemu-devel] [PATCH v2 06/27] tcg-ppc64: Introduce and use tcg_out_shri64, Richard Henderson, 2013/03/04
- [Qemu-devel] [PATCH v2 07/27] tcg-ppc64: Cleanup tcg_out_movi, Richard Henderson, 2013/03/04
- [Qemu-devel] [PATCH v2 09/27] tcg-ppc64: Rearrange integer constant constraints, Richard Henderson, 2013/03/04
- [Qemu-devel] [PATCH v2 10/27] tcg-ppc64: Improve constant add and sub ops., Richard Henderson, 2013/03/04
- [Qemu-devel] [PATCH v2 08/27] tcg-ppc64: Introduce and use TAI and SAI, Richard Henderson, 2013/03/04
- [Qemu-devel] [PATCH v2 11/27] tcg-ppc64: Tidy or and xor patterns., Richard Henderson, 2013/03/04
- [Qemu-devel] [PATCH v2 12/27] tcg-ppc64: Improve and_i32 with constant, Richard Henderson, 2013/03/04
- [Qemu-devel] [PATCH v2 13/27] tcg-ppc64: Improve and_i64 with constant, Richard Henderson, 2013/03/04
- [Qemu-devel] [PATCH v2 14/27] tcg-ppc64: Streamline qemu_ld/st insn selection, Richard Henderson, 2013/03/04
- [Qemu-devel] [PATCH v2 15/27] tcg-ppc64: Implement rotates,
Richard Henderson <=
- [Qemu-devel] [PATCH v2 16/27] tcg-ppc64: Implement bswap16 and bswap32, Richard Henderson, 2013/03/04
- [Qemu-devel] [PATCH v2 17/27] tcg-ppc64: Implement bswap64, Richard Henderson, 2013/03/04
- [Qemu-devel] [PATCH v2 18/27] tcg-ppc64: Implement compound logicals, Richard Henderson, 2013/03/04
- [Qemu-devel] [PATCH v2 19/27] tcg-ppc64: Handle constant inputs for some compound logicals, Richard Henderson, 2013/03/04
- [Qemu-devel] [PATCH v2 20/27] tcg-ppc64: Implement deposit, Richard Henderson, 2013/03/04
- [Qemu-devel] [PATCH v2 21/27] tcg-ppc64: Use I constraint for mul, Richard Henderson, 2013/03/04
- [Qemu-devel] [PATCH v2 22/27] tcg-ppc64: Use TCGType throughout compares, Richard Henderson, 2013/03/04
- [Qemu-devel] [PATCH v2 23/27] tcg-ppc64: Rewrite setcond, Richard Henderson, 2013/03/04
- [Qemu-devel] [PATCH v2 24/27] tcg-ppc64: Implement movcond, Richard Henderson, 2013/03/04
- [Qemu-devel] [PATCH v2 25/27] tcg-ppc64: Use getauxval for ISA detection, Richard Henderson, 2013/03/04