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authorRong Xu <xur@google.com>2014-07-21 16:47:22 -0700
committerRong Xu <xur@google.com>2014-07-29 15:31:03 -0700
commit38a8aecfb882072900434499696b5c32a2274515 (patch)
tree2aac97f0ae24b03cd98c1a06e989c031c173f889 /gcc-4.9/gcc/tree-streamer-in.c
parentc231900e5dcc14d8296bd9f62b45997a49d4d5e7 (diff)
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[4.9] Switch gcc-4.9 to use google/gcc-4_9 branch.
This source drop uses svn version r212828 of google/gcc-4.9 branch. We also cherry-picked r213062, r213063 and r213064 to fix windows build issues. All gcc-4.9 patches before July 3rd are ported to google/gcc-4.9. The following prior commits has not been merged to google branch yet. (They are included in this commit). e7af147f979e657fe2df00808e5b4319b0e088c6, baf87df3cb2683649ba7e9872362a7e721117c23, and c231900e5dcc14d8296bd9f62b45997a49d4d5e7. Change-Id: I4bea3ea470387ff751c2be4cb0d4a12059b9299b
Diffstat (limited to 'gcc-4.9/gcc/tree-streamer-in.c')
-rw-r--r--gcc-4.9/gcc/tree-streamer-in.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/tree-streamer-in.c b/gcc-4.9/gcc/tree-streamer-in.c
index b02bb6bd0..1839f579e 100644
--- a/gcc-4.9/gcc/tree-streamer-in.c
+++ b/gcc-4.9/gcc/tree-streamer-in.c
@@ -167,6 +167,9 @@ 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);