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New function: for_each_rtx_in_insn

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gcc/
2014-08-18  David Malcolm  <dmalcolm@redhat.com>

	* rtl.h (for_each_rtx_in_insn): New function.
	* rtlanal.c (for_each_rtx_in_insn): Likewise.

From-SVN: r214119
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David Malcolm 2014-08-18 20:25:45 +00:00 committed by David Malcolm
parent 15f8d3ab4a
commit 70e7f57d38
3 changed files with 22 additions and 0 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
2014-08-18 David Malcolm <dmalcolm@redhat.com>
* rtl.h (for_each_rtx_in_insn): New function.
* rtlanal.c (for_each_rtx_in_insn): Likewise.
2014-08-18 David Malcolm <dmalcolm@redhat.com>
* coretypes.h (class rtx_insn): Add forward declaration.

1
gcc/rtl.h
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@ -2399,6 +2399,7 @@ extern bool tls_referenced_p (rtx);
typedef int (*rtx_function) (rtx *, void *);
extern int for_each_rtx (rtx *, rtx_function, void *);
extern int for_each_rtx_in_insn (rtx_insn **, rtx_function, void *);
/* Callback for for_each_inc_dec, to process the autoinc operation OP
within MEM that sets DEST to SRC + SRCOFF, or SRC if SRCOFF is

16
gcc/rtlanal.c
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@ -3011,6 +3011,22 @@ for_each_rtx (rtx *x, rtx_function f, void *data)
return for_each_rtx_1 (*x, i, f, data);
}
/* Like "for_each_rtx", but for calling on an rtx_insn **. */
int
for_each_rtx_in_insn (rtx_insn **insn, rtx_function f, void *data)
{
rtx insn_as_rtx = *insn;
int result;
result = for_each_rtx (&insn_as_rtx, f, data);
if (insn_as_rtx != *insn)
*insn = safe_as_a <rtx_insn *> (insn_as_rtx);
return result;
}
/* Data structure that holds the internal state communicated between