[v2,6/7] exec: Promote TARGET_PAGE_MASK to target_long
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Message ID 20191023154505.30521-7-richard.henderson@linaro.org
State New
Headers show
Series
  • exec: Improve code for TARGET_PAGE_BITS_VARY
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Commit Message

Richard Henderson Oct. 23, 2019, 3:45 p.m. UTC
There are some uint64_t uses that expect TARGET_PAGE_MASK to
extend for a 32-bit, so this must continue to be a signed type.
Define based on TARGET_PAGE_BITS not TARGET_PAGE_SIZE; this
will make a following patch more clear.

This should not have a functional effect so far.

Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
 include/exec/cpu-all.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Patch
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diff --git a/include/exec/cpu-all.h b/include/exec/cpu-all.h
index d3e4660d50..ba6d3306bf 100644
--- a/include/exec/cpu-all.h
+++ b/include/exec/cpu-all.h
@@ -229,7 +229,7 @@  extern TargetPageBits target_page;
 #endif
 
 #define TARGET_PAGE_SIZE (1 << TARGET_PAGE_BITS)
-#define TARGET_PAGE_MASK ~(TARGET_PAGE_SIZE - 1)
+#define TARGET_PAGE_MASK ((target_long)-1 << TARGET_PAGE_BITS)
 #define TARGET_PAGE_ALIGN(addr) ROUND_UP((addr), TARGET_PAGE_SIZE)
 
 /* Using intptr_t ensures that qemu_*_page_mask is sign-extended even