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[PATCH 6/7] exec: Tidy TARGET_PAGE_ALIGN
From: |
Richard Henderson |
Subject: |
[PATCH 6/7] exec: Tidy TARGET_PAGE_ALIGN |
Date: |
Thu, 19 Sep 2019 16:29:51 -0700 |
Use TARGET_PAGE_MASK twice instead of TARGET_PAGE_SIZE once.
This is functionally identical, but will help a following patch.
Signed-off-by: Richard Henderson <address@hidden>
---
include/exec/cpu-all.h | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/include/exec/cpu-all.h b/include/exec/cpu-all.h
index 34d36cebca..5246770271 100644
--- a/include/exec/cpu-all.h
+++ b/include/exec/cpu-all.h
@@ -226,7 +226,8 @@ extern const TargetPageBits target_page;
#define TARGET_PAGE_SIZE (1 << TARGET_PAGE_BITS)
#define TARGET_PAGE_MASK ((target_long)-1 << TARGET_PAGE_BITS)
-#define TARGET_PAGE_ALIGN(addr) (((addr) + TARGET_PAGE_SIZE - 1) &
TARGET_PAGE_MASK)
+#define TARGET_PAGE_ALIGN(addr) \
+ (((addr) + ~TARGET_PAGE_MASK) & TARGET_PAGE_MASK)
/* Using intptr_t ensures that qemu_*_page_mask is sign-extended even
* when intptr_t is 32-bit and we are aligning a long long.
--
2.17.1
- [PATCH 0/7] exec: Improve code for TARGET_PAGE_BITS_VARY, Richard Henderson, 2019/09/19
- [PATCH 1/7] exec: Use TARGET_PAGE_BITS_MIN for TLB flags, Richard Henderson, 2019/09/19
- [PATCH 2/7] exec: Split out variable page size support to exec-vary.c, Richard Henderson, 2019/09/19
- [PATCH 4/7] exec: Restrict TARGET_PAGE_BITS_VARY assert to CONFIG_DEBUG_TCG, Richard Henderson, 2019/09/19
- [PATCH 3/7] exec: Use const alias for TARGET_PAGE_BITS_VARY, Richard Henderson, 2019/09/19
- [PATCH 5/7] exec: Promote TARGET_PAGE_MASK to target_long, Richard Henderson, 2019/09/19
- [PATCH 7/7] exec: Cache TARGET_PAGE_MASK for TARGET_PAGE_BITS_VARY, Richard Henderson, 2019/09/19
- [PATCH 6/7] exec: Tidy TARGET_PAGE_ALIGN,
Richard Henderson <=
- Re: [PATCH 0/7] exec: Improve code for TARGET_PAGE_BITS_VARY, Paolo Bonzini, 2019/09/20
- Re: [PATCH 0/7] exec: Improve code for TARGET_PAGE_BITS_VARY, no-reply, 2019/09/20