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alias.c (find_base_value): Use FIND_BASE_TERM.

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gcc/
	* alias.c (find_base_value): Use FIND_BASE_TERM.
	* doc/tm.texi (FIND_BASE_TERM): Update documentation.

From-SVN: r140612
This commit is contained in:
Richard Sandiford 2008-09-23 18:29:58 +00:00 • committed by Richard Sandiford
parent 411e138af2
commit 5345105058
3 changed files with 12 additions and 2 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
2008-09-23 Richard Sandiford <rdsandiford@googlemail.com>
* alias.c (find_base_value): Use FIND_BASE_TERM.
* doc/tm.texi (FIND_BASE_TERM): Update documentation.
2008-09-23 Richard Sandiford <rdsandiford@googlemail.com>
* config/i386/i386.c: Include cselib.h.

5
gcc/alias.c
View file

@ -836,6 +836,11 @@ find_base_value (rtx src)
{
unsigned int regno;
#if defined (FIND_BASE_TERM)
/* Try machine-dependent ways to find the base term. */
src = FIND_BASE_TERM (src);
#endif
switch (GET_CODE (src))
{
case SYMBOL_REF:

4
gcc/doc/tm.texi
View file

@ -5355,8 +5355,8 @@ preserve functionality of inline assembly constructs using the
@defmac FIND_BASE_TERM (@var{x})
A C expression to determine the base term of address @var{x},
or to provide a simplified version of @var{x} from which @file{alias.c}
can easily find the base term. This macro is used in only one place:
@code{find_base_term} in @file{alias.c}.
can easily find the base term. This macro is used in only two places:
@code{find_base_value} and @code{find_base_term} in @file{alias.c}.
It is always safe for this macro to not be defined. It exists so
that alias analysis can understand machine-dependent addresses.