re PR middle-end/27733 (Large compile time regression)

2006-06-08  Paolo Bonzini  <bonzini@gnu.org>

	PR middle-end/27733
	* expmed.c (struct alg_hash_entry): Fix type of field T
	to match synth_mult argument.
	(NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.

From-SVN: r114488

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index d840d64438d89faa2676602b6b462e8a39ad6789..654c990657eac693948296862cb2c905eedd2d52 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,10 @@
+2006-06-08  Paolo Bonzini  <bonzini@gnu.org>
+
+       PR middle-end/27733
+       * expmed.c (struct alg_hash_entry): Fix type of field T
+       to match synth_mult argument.
+       (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
+
 2006-06-08  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
 
        PR target/27863

diff --git a/gcc/expmed.c b/gcc/expmed.c
index 56c0d24bd66fee2bef217c9ee512b447659ef9ad..2e8906eb7a9994f36e00e13728ec58b5a7882402 100644 (file)
--- a/gcc/expmed.c
+++ b/gcc/expmed.c
@@ -2395,7 +2395,7 @@ struct algorithm
 /* The entry for our multiplication cache/hash table.  */
 struct alg_hash_entry {
   /* The number we are multiplying by.  */
-  unsigned int t;
+  unsigned HOST_WIDE_INT t;
 
   /* The mode in which we are multiplying something by T.  */
   enum machine_mode mode;
@@ -2410,7 +2410,11 @@ struct alg_hash_entry {
 };
 
 /* The number of cache/hash entries.  */
+#if HOST_BITS_PER_WIDE_INT == 64
+#define NUM_ALG_HASH_ENTRIES 1031
+#else
 #define NUM_ALG_HASH_ENTRIES 307
+#endif
 
 /* Each entry of ALG_HASH caches alg_code for some integer.  This is
    actually a hash table.  If we have a collision, that the older