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rs6000: fix for PR61396 (wide-int fallout) 

CONSTANT_P is true for more than just all kinds of constant number.
This patch undoes that part of the wide-int patches.

From-SVN: r212932
This commit is contained in:
Segher Boessenkool 2014-07-23 14:35:16 +02:00 committed by Segher Boessenkool
parent d10ee722fd
commit b50a9d3894
2 changed files with 9 additions and 2 deletions
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7
gcc/ChangeLog
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@ -1,3 +1,10 @@
2014-07-23 Segher Boessenkool <segher@kernel.crashing.org>
PR target/61396
* config/rs6000/rs6000.c (paired_expand_vector_init): Only allow
constant numbers, not general constants.
(rs6000_expand_vector_init): Ditto.
2014-07-23 Nathan Sidwell <nathan@acm.org>
* gcov-tool.c (gcov_list): Declare here.

4
gcc/config/rs6000/rs6000.c
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@ -5320,7 +5320,7 @@ paired_expand_vector_init (rtx target, rtx vals)
for (i = 0; i < n_elts; ++i)
{
x = XVECEXP (vals, 0, i);
if (!CONSTANT_P (x))
if (!(CONST_SCALAR_INT_P (x) || CONST_DOUBLE_P (x) || CONST_FIXED_P (x)))
++n_var;
}
if (n_var == 0)
@ -5472,7 +5472,7 @@ rs6000_expand_vector_init (rtx target, rtx vals)
for (i = 0; i < n_elts; ++i)
{
x = XVECEXP (vals, 0, i);
if (!CONSTANT_P (x))
if (!(CONST_SCALAR_INT_P (x) || CONST_DOUBLE_P (x) || CONST_FIXED_P (x)))
++n_var, one_var = i;
else if (x != CONST0_RTX (inner_mode))
all_const_zero = false;