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[Qemu-devel] [PATCH v4 14/14] target-i386: Generate fences for x86
From: |
Pranith Kumar |
Subject: |
[Qemu-devel] [PATCH v4 14/14] target-i386: Generate fences for x86 |
Date: |
Thu, 14 Jul 2016 16:20:26 -0400 |
Signed-off-by: Pranith Kumar <address@hidden>
---
target-i386/translate.c | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/target-i386/translate.c b/target-i386/translate.c
index 7dea18b..ebeb6f0 100644
--- a/target-i386/translate.c
+++ b/target-i386/translate.c
@@ -8012,13 +8012,21 @@ static target_ulong disas_insn(CPUX86State *env,
DisasContext *s,
|| (prefixes & PREFIX_LOCK)) {
goto illegal_op;
}
+ tcg_gen_mb(TCG_MO_ST_ST | TCG_BAR_SC);
break;
case 0xe8 ... 0xef: /* lfence */
+ if (!(s->cpuid_features & CPUID_SSE)
+ || (prefixes & PREFIX_LOCK)) {
+ goto illegal_op;
+ }
+ tcg_gen_mb(TCG_MO_LD_LD | TCG_BAR_SC);
+ break;
case 0xf0 ... 0xf7: /* mfence */
if (!(s->cpuid_features & CPUID_SSE2)
|| (prefixes & PREFIX_LOCK)) {
goto illegal_op;
}
+ tcg_gen_mb(TCG_MO_ALL | TCG_BAR_SC);
break;
default:
--
2.9.0
- [Qemu-devel] [PATCH v4 05/14] tcg/ia64: Add support for fence, (continued)
- [Qemu-devel] [PATCH v4 05/14] tcg/ia64: Add support for fence, Pranith Kumar, 2016/07/14
- [Qemu-devel] [PATCH v4 03/14] tcg/aarch64: Add support for fence, Pranith Kumar, 2016/07/14
- [Qemu-devel] [PATCH v4 07/14] tcg/ppc: Add support for fence, Pranith Kumar, 2016/07/14
- [Qemu-devel] [PATCH v4 08/14] tcg/s390: Add support for fence, Pranith Kumar, 2016/07/14
- [Qemu-devel] [PATCH v4 06/14] tcg/mips: Add support for fence, Pranith Kumar, 2016/07/14
- [Qemu-devel] [PATCH v4 04/14] tcg/arm: Add support for fence, Pranith Kumar, 2016/07/14
- [Qemu-devel] [PATCH v4 09/14] tcg/sparc: Add support for fence, Pranith Kumar, 2016/07/14
- [Qemu-devel] [PATCH v4 10/14] tcg/tci: Add support for fence, Pranith Kumar, 2016/07/14
- [Qemu-devel] [PATCH v4 12/14] target-alpha: Generate fence op, Pranith Kumar, 2016/07/14
- [Qemu-devel] [PATCH v4 11/14] target-arm: Generate fences in ARMv7 frontend, Pranith Kumar, 2016/07/14
- [Qemu-devel] [PATCH v4 14/14] target-i386: Generate fences for x86,
Pranith Kumar <=
- [Qemu-devel] [PATCH v4 13/14] target-aarch64: Generate fences for aarch64, Pranith Kumar, 2016/07/14
- Re: [Qemu-devel] [PATCH v4 00/14] tcg: Add support for fence generation, Pranith Kumar, 2016/07/23