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[RFC PATCH 4/5] include/exec: lightly re-arrange TranslationBlock
From: |
Alex Bennée |
Subject: |
[RFC PATCH 4/5] include/exec: lightly re-arrange TranslationBlock |
Date: |
Wed, 24 Feb 2021 16:58:10 +0000 |
Lets make sure all the flags we compare when looking up blocks are
together in the same place.
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
---
include/exec/exec-all.h | 8 +++++---
1 file changed, 5 insertions(+), 3 deletions(-)
diff --git a/include/exec/exec-all.h b/include/exec/exec-all.h
index acf66ab692..75f8c3981a 100644
--- a/include/exec/exec-all.h
+++ b/include/exec/exec-all.h
@@ -448,9 +448,6 @@ struct TranslationBlock {
target_ulong pc; /* simulated PC corresponding to this block (EIP + CS
base) */
target_ulong cs_base; /* CS base for this block */
uint32_t flags; /* flags defining in which context the code was generated
*/
- uint16_t size; /* size of target code for this block (1 <=
- size <= TARGET_PAGE_SIZE) */
- uint16_t icount;
uint32_t cflags; /* compile flags */
#define CF_COUNT_MASK 0x00007fff
#define CF_LAST_IO 0x00008000 /* Last insn may be an IO access. */
@@ -464,6 +461,11 @@ struct TranslationBlock {
/* Per-vCPU dynamic tracing state used to generate this TB */
uint32_t trace_vcpu_dstate;
+ /* Above fields used for comparing */
+ uint16_t size; /* size of target code for this block (1 <=
+ size <= TARGET_PAGE_SIZE) */
+ uint16_t icount;
+
struct tb_tc tc;
/* first and second physical page containing code. The lower bit
--
2.20.1
- [RFC PATCH 0/5] Experimenting with tb-lookup tweaks, Alex Bennée, 2021/02/24
- [RFC PATCH 4/5] include/exec: lightly re-arrange TranslationBlock,
Alex Bennée <=
- [RFC PATCH 5/5] include/exec/tb-lookup: try and reduce branch prediction issues, Alex Bennée, 2021/02/24
- [RFC PATCH 1/5] accel/tcg: rename tb_lookup__cpu_state and hoist state extraction, Alex Bennée, 2021/02/24
- [RFC PATCH 2/5] accel/tcg: move CF_CLUSTER calculation to curr_cflags, Alex Bennée, 2021/02/24
- [RFC PATCH 3/5] accel/tcg: drop the use of CF_HASH_MASK and rename params, Alex Bennée, 2021/02/24
- Re: [RFC PATCH 0/5] Experimenting with tb-lookup tweaks, Richard Henderson, 2021/02/24
- Re: [RFC PATCH 0/5] Experimenting with tb-lookup tweaks, no-reply, 2021/02/25