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tree-streamer-in.c (unpack_ts_real_cst_value_fields): Make sure all padding bits in REAL_VALUE_TYPE are cleared. 

* tree-streamer-in.c (unpack_ts_real_cst_value_fields): Make sure
	all padding bits in REAL_VALUE_TYPE are cleared.

From-SVN: r210748
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Jakub Jelinek 2014-05-22 09:59:32 +02:00 committed by Jakub Jelinek
parent 4960a0cb38
commit a822564db5
2 changed files with 8 additions and 0 deletions
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gcc/ChangeLog
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@ -1,3 +1,8 @@
2014-05-22 Jakub Jelinek <jakub@redhat.com>
* tree-streamer-in.c (unpack_ts_real_cst_value_fields): Make sure
all padding bits in REAL_VALUE_TYPE are cleared.
2014-05-22 Maxim Kuvyrkov <maxim.kuvyrkov@linaro.org>
Cleanup and improve multipass_dfa_lookahead_guard

3
gcc/tree-streamer-in.c
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@ -168,6 +168,9 @@ unpack_ts_real_cst_value_fields (struct bitpack_d *bp, tree expr)
REAL_VALUE_TYPE r;
REAL_VALUE_TYPE *rp;
/* Clear all bits of the real value type so that we can later do
bitwise comparisons to see if two values are the same. */
memset (&r, 0, sizeof r);
r.cl = (unsigned) bp_unpack_value (bp, 2);
r.decimal = (unsigned) bp_unpack_value (bp, 1);
r.sign = (unsigned) bp_unpack_value (bp, 1);