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(form_sum): Change the way that form_sum canonicalizes addresses... 

(form_sum): Change the way that form_sum canonicalizes
addresses, so that it never creates (PLUS (PLUS MEM CONST_INT) REG)
but instead canonicallizes this to (PLUS (PLUS REG CONST_INT) MEM).

From-SVN: r5506
This commit is contained in:
Jim Wilson 1993-09-28 15:22:08 -07:00
parent bc3d852183
commit 0ec1e3690e
1 changed files with 4 additions and 1 deletions
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5
gcc/reload.c
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@ -4324,7 +4324,10 @@ form_sum (x, y)
/* Note that if the operands of Y are specified in the opposite
order in the recursive calls below, infinite recursion will occur. */
if (GET_CODE (y) == PLUS && CONSTANT_P (XEXP (y, 1)))
if (GET_CODE (y) == PLUS && CONSTANT_P (XEXP (y, 1))
/* Moving the constant in with the MEM yields rtl that reload may not
be able to handle when this is an address calculation. */
&& GET_CODE (x) != MEM)
return form_sum (form_sum (x, XEXP (y, 0)), XEXP (y, 1));
/* If both constant, encapsulate sum. Otherwise, just form sum. A