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rtl.c (copy_most_rtx): Move from here ... 

* rtl.c (copy_most_rtx): Move from here ...
	* emit-rtl.c (copy_most_rtx): ... to here.

From-SVN: r50434
This commit is contained in:
Richard Kenner 2002-03-08 12:26:45 +00:00 committed by Richard Kenner
parent 61e751e3dc
commit c9220e5a0d
3 changed files with 105 additions and 100 deletions
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5
gcc/ChangeLog
View File

@ -1,3 +1,8 @@
Fri Mar 8 06:48:45 2002 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
* rtl.c (copy_most_rtx): Move from here ...
* emit-rtl.c (copy_most_rtx): ... to here.
2002-03-08 Richard Earnshaw <rearnsha@arm.com>
* combine.c (simplify_comparison): If simplifying a logical shift

100
gcc/emit-rtl.c
View File

@ -2383,6 +2383,106 @@ reset_used_decls (blk)
reset_used_decls (t);
}
/* Similar to `copy_rtx' except that if MAY_SHARE is present, it is
placed in the result directly, rather than being copied. */
rtx
copy_most_rtx (orig, may_share)
rtx orig;
rtx may_share;
{
rtx copy;
int i, j;
RTX_CODE code;
const char *format_ptr;
if (orig == may_share)
return orig;
code = GET_CODE (orig);
switch (code)
{
case REG:
case QUEUED:
case CONST_INT:
case CONST_DOUBLE:
case CONST_VECTOR:
case SYMBOL_REF:
case CODE_LABEL:
case PC:
case CC0:
return orig;
default:
break;
}
copy = rtx_alloc (code);
PUT_MODE (copy, GET_MODE (orig));
copy->in_struct = orig->in_struct;
copy->volatil = orig->volatil;
copy->unchanging = orig->unchanging;
copy->integrated = orig->integrated;
copy->frame_related = orig->frame_related;
format_ptr = GET_RTX_FORMAT (GET_CODE (copy));
for (i = 0; i < GET_RTX_LENGTH (GET_CODE (copy)); i++)
{
switch (*format_ptr++)
{
case 'e':
XEXP (copy, i) = XEXP (orig, i);
if (XEXP (orig, i) != NULL && XEXP (orig, i) != may_share)
XEXP (copy, i) = copy_most_rtx (XEXP (orig, i), may_share);
break;
case 'u':
XEXP (copy, i) = XEXP (orig, i);
break;
case 'E':
case 'V':
XVEC (copy, i) = XVEC (orig, i);
if (XVEC (orig, i) != NULL)
{
XVEC (copy, i) = rtvec_alloc (XVECLEN (orig, i));
for (j = 0; j < XVECLEN (copy, i); j++)
XVECEXP (copy, i, j)
= copy_most_rtx (XVECEXP (orig, i, j), may_share);
}
break;
case 'w':
XWINT (copy, i) = XWINT (orig, i);
break;
case 'n':
case 'i':
XINT (copy, i) = XINT (orig, i);
break;
case 't':
XTREE (copy, i) = XTREE (orig, i);
break;
case 's':
case 'S':
XSTR (copy, i) = XSTR (orig, i);
break;
case '0':
/* Copy this through the wide int field; that's safest. */
X0WINT (copy, i) = X0WINT (orig, i);
break;
default:
abort ();
}
}
return copy;
}
/* Mark ORIG as in use, and return a copy of it if it was already in use.
Recursively does the same for subexpressions. */

100
gcc/rtl.c
View File

@ -443,106 +443,6 @@ copy_rtx (orig)
return copy;
}
/* Similar to `copy_rtx' except that if MAY_SHARE is present, it is
placed in the result directly, rather than being copied. */
rtx
copy_most_rtx (orig, may_share)
rtx orig;
rtx may_share;
{
rtx copy;
int i, j;
RTX_CODE code;
const char *format_ptr;
if (orig == may_share)
return orig;
code = GET_CODE (orig);
switch (code)
{
case REG:
case QUEUED:
case CONST_INT:
case CONST_DOUBLE:
case CONST_VECTOR:
case SYMBOL_REF:
case CODE_LABEL:
case PC:
case CC0:
return orig;
default:
break;
}
copy = rtx_alloc (code);
PUT_MODE (copy, GET_MODE (orig));
copy->in_struct = orig->in_struct;
copy->volatil = orig->volatil;
copy->unchanging = orig->unchanging;
copy->integrated = orig->integrated;
copy->frame_related = orig->frame_related;
format_ptr = GET_RTX_FORMAT (GET_CODE (copy));
for (i = 0; i < GET_RTX_LENGTH (GET_CODE (copy)); i++)
{
switch (*format_ptr++)
{
case 'e':
XEXP (copy, i) = XEXP (orig, i);
if (XEXP (orig, i) != NULL && XEXP (orig, i) != may_share)
XEXP (copy, i) = copy_most_rtx (XEXP (orig, i), may_share);
break;
case 'u':
XEXP (copy, i) = XEXP (orig, i);
break;
case 'E':
case 'V':
XVEC (copy, i) = XVEC (orig, i);
if (XVEC (orig, i) != NULL)
{
XVEC (copy, i) = rtvec_alloc (XVECLEN (orig, i));
for (j = 0; j < XVECLEN (copy, i); j++)
XVECEXP (copy, i, j)
= copy_most_rtx (XVECEXP (orig, i, j), may_share);
}
break;
case 'w':
XWINT (copy, i) = XWINT (orig, i);
break;
case 'n':
case 'i':
XINT (copy, i) = XINT (orig, i);
break;
case 't':
XTREE (copy, i) = XTREE (orig, i);
break;
case 's':
case 'S':
XSTR (copy, i) = XSTR (orig, i);
break;
case '0':
/* Copy this through the wide int field; that's safest. */
X0WINT (copy, i) = X0WINT (orig, i);
break;
default:
abort ();
}
}
return copy;
}
/* Create a new copy of an rtx. Only copy just one level. */
rtx