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[Qemu-devel] [PATCH v4 63/64] tcg/ppc: Handle ctpop opcode
From: |
Richard Henderson |
Subject: |
[Qemu-devel] [PATCH v4 63/64] tcg/ppc: Handle ctpop opcode |
Date: |
Wed, 23 Nov 2016 14:02:00 +0100 |
Signed-off-by: Richard Henderson <address@hidden>
---
tcg/ppc/tcg-target.h | 5 +++--
tcg/ppc/tcg-target.inc.c | 12 +++++++++++-
2 files changed, 14 insertions(+), 3 deletions(-)
diff --git a/tcg/ppc/tcg-target.h b/tcg/ppc/tcg-target.h
index 57e66cf..abd8b3d 100644
--- a/tcg/ppc/tcg-target.h
+++ b/tcg/ppc/tcg-target.h
@@ -49,6 +49,7 @@ typedef enum {
TCG_AREG0 = TCG_REG_R27
} TCGReg;
+extern bool have_isa_2_06;
extern bool have_isa_3_00;
/* optional instructions automatically implemented */
@@ -72,7 +73,7 @@ extern bool have_isa_3_00;
#define TCG_TARGET_HAS_nor_i32 1
#define TCG_TARGET_HAS_clz_i32 1
#define TCG_TARGET_HAS_ctz_i32 have_isa_3_00
-#define TCG_TARGET_HAS_ctpop_i32 0
+#define TCG_TARGET_HAS_ctpop_i32 have_isa_2_06
#define TCG_TARGET_HAS_deposit_i32 1
#define TCG_TARGET_HAS_extract_i32 1
#define TCG_TARGET_HAS_sextract_i32 0
@@ -108,7 +109,7 @@ extern bool have_isa_3_00;
#define TCG_TARGET_HAS_nor_i64 1
#define TCG_TARGET_HAS_clz_i64 1
#define TCG_TARGET_HAS_ctz_i64 have_isa_3_00
-#define TCG_TARGET_HAS_ctpop_i64 0
+#define TCG_TARGET_HAS_ctpop_i64 have_isa_2_06
#define TCG_TARGET_HAS_deposit_i64 1
#define TCG_TARGET_HAS_extract_i64 1
#define TCG_TARGET_HAS_sextract_i64 0
diff --git a/tcg/ppc/tcg-target.inc.c b/tcg/ppc/tcg-target.inc.c
index 766bc1a..64f67d2 100644
--- a/tcg/ppc/tcg-target.inc.c
+++ b/tcg/ppc/tcg-target.inc.c
@@ -83,7 +83,7 @@ static tcg_insn_unit *tb_ret_addr;
#include "elf.h"
-static bool have_isa_2_06;
+bool have_isa_2_06;
bool have_isa_3_00;
#define HAVE_ISA_2_06 have_isa_2_06
@@ -457,6 +457,8 @@ static int tcg_target_const_match(tcg_target_long val,
TCGType type,
#define CNTLZD XO31( 58)
#define CNTTZW XO31(538)
#define CNTTZD XO31(570)
+#define CNTPOPW XO31(378)
+#define CNTPOPD XO31(506)
#define ANDC XO31( 60)
#define ORC XO31(412)
#define EQV XO31(284)
@@ -2149,6 +2151,9 @@ static void tcg_out_op(TCGContext *s, TCGOpcode opc,
const TCGArg *args,
tcg_out_cntxz(s, TCG_TYPE_I32, CNTTZW, args[0], args[1],
args[2], const_args[2]);
break;
+ case INDEX_op_ctpop_i32:
+ tcg_out32(s, CNTPOPW | SAB(args[1], args[0], 0));
+ break;
case INDEX_op_clz_i64:
tcg_out_cntxz(s, TCG_TYPE_I64, CNTLZD, args[0], args[1],
@@ -2158,6 +2163,9 @@ static void tcg_out_op(TCGContext *s, TCGOpcode opc,
const TCGArg *args,
tcg_out_cntxz(s, TCG_TYPE_I64, CNTTZD, args[0], args[1],
args[2], const_args[2]);
break;
+ case INDEX_op_ctpop_i64:
+ tcg_out32(s, CNTPOPD | SAB(args[1], args[0], 0));
+ break;
case INDEX_op_mul_i32:
a0 = args[0], a1 = args[1], a2 = args[2];
@@ -2573,6 +2581,7 @@ static const TCGTargetOpDef ppc_op_defs[] = {
{ INDEX_op_nor_i32, { "r", "r", "r" } },
{ INDEX_op_clz_i32, { "r", "r", "rZW" } },
{ INDEX_op_ctz_i32, { "r", "r", "rZW" } },
+ { INDEX_op_ctpop_i32, { "r", "r" } },
{ INDEX_op_shl_i32, { "r", "r", "ri" } },
{ INDEX_op_shr_i32, { "r", "r", "ri" } },
@@ -2623,6 +2632,7 @@ static const TCGTargetOpDef ppc_op_defs[] = {
{ INDEX_op_nor_i64, { "r", "r", "r" } },
{ INDEX_op_clz_i64, { "r", "r", "rZW" } },
{ INDEX_op_ctz_i64, { "r", "r", "rZW" } },
+ { INDEX_op_ctpop_i64, { "r", "r" } },
{ INDEX_op_shl_i64, { "r", "r", "ri" } },
{ INDEX_op_shr_i64, { "r", "r", "ri" } },
--
2.7.4
- Re: [Qemu-devel] [PATCH v4 52/64] target-tricore: Use clrsb helper, (continued)
- [Qemu-devel] [PATCH v4 53/64] target-xtensa: Use clrsb helper, Richard Henderson, 2016/11/23
- [Qemu-devel] [PATCH v4 54/64] tcg: Add opcode for ctpop, Richard Henderson, 2016/11/23
- [Qemu-devel] [PATCH v4 55/64] target-alpha: Use ctpop helper, Richard Henderson, 2016/11/23
- [Qemu-devel] [PATCH v4 56/64] target-ppc: Use ctpop helper, Richard Henderson, 2016/11/23
- [Qemu-devel] [PATCH v4 57/64] target-s390x: Avoid a loop for popcnt, Richard Henderson, 2016/11/23
- [Qemu-devel] [PATCH v4 58/64] target-sparc: Use ctpop helper, Richard Henderson, 2016/11/23
- [Qemu-devel] [PATCH v4 59/64] target-tilegx: Use ctpop helper, Richard Henderson, 2016/11/23
- [Qemu-devel] [PATCH v4 60/64] target-i386: Use ctpop helper, Richard Henderson, 2016/11/23
- [Qemu-devel] [PATCH v4 61/64] qemu/host-utils.h: Reduce the operation count in the fallback ctpop, Richard Henderson, 2016/11/23
- [Qemu-devel] [PATCH v4 63/64] tcg/ppc: Handle ctpop opcode,
Richard Henderson <=
- [Qemu-devel] [PATCH v4 62/64] tcg: Use ctpop to generate ctz if needed, Richard Henderson, 2016/11/23
- [Qemu-devel] [PATCH v4 64/64] tcg/i386: Handle ctpop opcode, Richard Henderson, 2016/11/23
- Re: [Qemu-devel] [PATCH v4 00/64] tcg 2.9 patch queue, no-reply, 2016/11/29