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[Qemu-devel] [RFC v2 PATCH 07/13] tcg/ppc: Add support for fence
From: |
Pranith Kumar |
Subject: |
[Qemu-devel] [RFC v2 PATCH 07/13] tcg/ppc: Add support for fence |
Date: |
Tue, 31 May 2016 14:39:22 -0400 |
Signed-off-by: Richard Henderson <address@hidden>
Signed-off-by: Pranith Kumar <address@hidden>
---
tcg/ppc/tcg-target.inc.c | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/tcg/ppc/tcg-target.inc.c b/tcg/ppc/tcg-target.inc.c
index 1039407..45a667f 100644
--- a/tcg/ppc/tcg-target.inc.c
+++ b/tcg/ppc/tcg-target.inc.c
@@ -469,6 +469,9 @@ static int tcg_target_const_match(tcg_target_long val,
TCGType type,
#define STHX XO31(407)
#define STWX XO31(151)
+#define HWSYNC XO31(598)
+#define LWSYNC (HWSYNC | (1u << 21))
+
#define SPR(a, b) ((((a)<<5)|(b))<<11)
#define LR SPR(8, 0)
#define CTR SPR(9, 0)
@@ -2425,6 +2428,10 @@ static void tcg_out_op(TCGContext *s, TCGOpcode opc,
const TCGArg *args,
tcg_out32(s, MULHD | TAB(args[0], args[1], args[2]));
break;
+ case INDEX_op_mb:
+ /* ??? Do we want SEQ_CST or ACQ_REL memory model. */
+ tcg_out32(s, HWSYNC);
+ break;
case INDEX_op_mov_i32: /* Always emitted via tcg_out_mov. */
case INDEX_op_mov_i64:
case INDEX_op_movi_i32: /* Always emitted via tcg_out_movi. */
@@ -2572,6 +2579,7 @@ static const TCGTargetOpDef ppc_op_defs[] = {
{ INDEX_op_qemu_st_i64, { "S", "S", "S", "S" } },
#endif
+ { INDEX_op_mb, { "r" } },
{ -1 },
};
--
2.8.3
- [Qemu-devel] [RFC v2 PATCH 00/13] tcg: Add fence gen support, Pranith Kumar, 2016/05/31
- [Qemu-devel] [RFC v2 PATCH 05/13] tcg/ia64: Add support for fence, Pranith Kumar, 2016/05/31
- [Qemu-devel] [RFC v2 PATCH 06/13] tcg/mips: Add support for fence, Pranith Kumar, 2016/05/31
- [Qemu-devel] [RFC v2 PATCH 07/13] tcg/ppc: Add support for fence,
Pranith Kumar <=
- [Qemu-devel] [RFC v2 PATCH 04/13] tcg/arm: Add support for fence, Pranith Kumar, 2016/05/31
- [Qemu-devel] [RFC v2 PATCH 01/13] Introduce TCGOpcode for memory barrier, Pranith Kumar, 2016/05/31
- [Qemu-devel] [RFC v2 PATCH 08/13] tcg/s390: Add support for fence, Pranith Kumar, 2016/05/31
- [Qemu-devel] [RFC v2 PATCH 10/13] tcg/tci: Add support for fence, Pranith Kumar, 2016/05/31
- [Qemu-devel] [RFC v2 PATCH 13/13] tcg: Generate fences only for SMP MTTCG guests, Pranith Kumar, 2016/05/31
- [Qemu-devel] [RFC v2 PATCH 02/13] tcg/i386: Add support for fence, Pranith Kumar, 2016/05/31
- [Qemu-devel] [RFC v2 PATCH 09/13] tcg/sparc: Add support for fence, Pranith Kumar, 2016/05/31