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memory: extract first iteration of address_space_read and address_space_write

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We want to inline the case where there is only one iteration, because
then the compiler can also inline the memcpy.  As a start, extract
everything after the first address_space_translate call.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Paolo Bonzini 2015-12-09 10:18:57 +01:00
parent eb7eeb8862
commit a203ac702e
2 changed files with 72 additions and 21 deletions
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6
include/exec/memory.h
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@ -1366,6 +1366,12 @@ void address_space_unmap(AddressSpace *as, void *buffer, hwaddr len,
int is_write, hwaddr access_len);
/* Internal functions, part of the implementation of address_space_read. */
MemTxResult address_space_read_continue(AddressSpace *as, hwaddr addr,
MemTxAttrs attrs, uint8_t *buf,
int len, hwaddr addr1, hwaddr l,
MemoryRegion *mr);
#endif
#endif