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[Qemu-devel] [PATCH 3/4] target/i386/translate: use thread-local storage
From: |
Emilio G. Cota |
Subject: |
[Qemu-devel] [PATCH 3/4] target/i386/translate: use thread-local storage in !user-mode |
Date: |
Mon, 13 Aug 2018 21:38:00 -0400 |
Needed for MTTCG.
Signed-off-by: Emilio G. Cota <address@hidden>
---
target/i386/translate.c | 24 ++++++++++++++++--------
1 file changed, 16 insertions(+), 8 deletions(-)
diff --git a/target/i386/translate.c b/target/i386/translate.c
index 07d185e7b6..f4c2a41f8f 100644
--- a/target/i386/translate.c
+++ b/target/i386/translate.c
@@ -71,26 +71,34 @@
//#define MACRO_TEST 1
+/* we need thread-local storage for mttcg */
+#ifdef CONFIG_USER_ONLY
+#define I386_THREAD
+#else
+#define I386_THREAD __thread
+#endif
+
/* global register indexes */
-static TCGv cpu_A0;
-static TCGv cpu_cc_dst, cpu_cc_src, cpu_cc_src2, cpu_cc_srcT;
+static TCGv cpu_cc_dst, cpu_cc_src, cpu_cc_src2;
static TCGv_i32 cpu_cc_op;
static TCGv cpu_regs[CPU_NB_REGS];
static TCGv cpu_seg_base[6];
static TCGv_i64 cpu_bndl[4];
static TCGv_i64 cpu_bndu[4];
/* local temps */
-static TCGv cpu_T0, cpu_T1;
+static I386_THREAD TCGv cpu_cc_srcT;
+static I386_THREAD TCGv cpu_A0;
+static I386_THREAD TCGv cpu_T0, cpu_T1;
/* local register indexes (only used inside old micro ops) */
-static TCGv cpu_tmp0, cpu_tmp4;
-static TCGv_ptr cpu_ptr0, cpu_ptr1;
-static TCGv_i32 cpu_tmp2_i32, cpu_tmp3_i32;
-static TCGv_i64 cpu_tmp1_i64;
+static I386_THREAD TCGv cpu_tmp0, cpu_tmp4;
+static I386_THREAD TCGv_ptr cpu_ptr0, cpu_ptr1;
+static I386_THREAD TCGv_i32 cpu_tmp2_i32, cpu_tmp3_i32;
+static I386_THREAD TCGv_i64 cpu_tmp1_i64;
#include "exec/gen-icount.h"
#ifdef TARGET_X86_64
-static int x86_64_hregs;
+static I386_THREAD int x86_64_hregs;
#endif
typedef struct DisasContext {
--
2.17.1