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authorRichard Sandiford <rsandifo@nildram.co.uk>2008-05-08 21:29:00 +0000
committerRichard Sandiford <rsandifo@gcc.gnu.org>2008-05-08 21:29:00 +0000
commit96c92f4763242fbf74d70ca52dc5ebecc3c0ce95 (patch)
tree5a6ac7d4d62ca20606babf28b9a64cffc974b4d6 /gcc
parente663da80d4c288b804a1ae2e04544b7e668080ce (diff)
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read-rtl.c (join_c_conditions): Return the first string if the two strings are equal.
gcc/ * read-rtl.c (join_c_conditions): Return the first string if the two strings are equal. From-SVN: r135091
Diffstat (limited to 'gcc')
-rw-r--r--gcc/ChangeLog5
-rw-r--r--gcc/read-rtl.c3
2 files changed, 8 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 7a53d5d..cb7ee2e 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,5 +1,10 @@
2008-05-08 Richard Sandiford <rsandifo@nildram.co.uk>
+ * read-rtl.c (join_c_conditions): Return the first string if the
+ two strings are equal.
+
+2008-05-08 Richard Sandiford <rsandifo@nildram.co.uk>
+
* gensupport.h (pred_data): Add a "num_codes" field.
(add_predicate_code): Declare.
* gensupport.c (add_predicate_code): New function.
diff --git a/gcc/read-rtl.c b/gcc/read-rtl.c
index cc8fd97..902e1f6 100644
--- a/gcc/read-rtl.c
+++ b/gcc/read-rtl.c
@@ -787,6 +787,9 @@ join_c_conditions (const char *cond1, const char *cond2)
if (cond2 == 0 || cond2[0] == 0)
return cond1;
+ if (strcmp (cond1, cond2) == 0)
+ return cond1;
+
result = concat ("(", cond1, ") && (", cond2, ")", NULL);
obstack_ptr_grow (&joined_conditions_obstack, result);
obstack_ptr_grow (&joined_conditions_obstack, cond1);