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authorJan Hubicka <hubicka@ucw.cz>2017-11-17 18:47:36 +0100
committerJan Hubicka <hubicka@gcc.gnu.org>2017-11-17 17:47:36 +0000
commit650fe7323c11e5e116e34d88028909b1221e2cc8 (patch)
treec5efcdde9c45c7831beb37712307f991d8211360 /gcc/profile-count.h
parentdb16c1841a09f60bbdf2bb825e7e790a437f83c7 (diff)
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predict.c (determine_unlikely_bbs): Set cgraph node count to 0 when entry block was promoted unlikely.
* predict.c (determine_unlikely_bbs): Set cgraph node count to 0 when entry block was promoted unlikely. (estimate_bb_frequencies): Increase frequency scale. * profile-count.h (profile_count): Export precision info. * gcc.dg/tree-ssa/dump-2.c: Fixup template for profile precision changes. * gcc.dg/tree-ssa/pr77445-2.c: Fixup template for profile precision changes. From-SVN: r254888
Diffstat (limited to 'gcc/profile-count.h')
-rw-r--r--gcc/profile-count.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/gcc/profile-count.h b/gcc/profile-count.h
index 90d1bc7..66a217d 100644
--- a/gcc/profile-count.h
+++ b/gcc/profile-count.h
@@ -605,11 +605,13 @@ class sreal;
class GTY(()) profile_count
{
+public:
/* Use 62bit to hold basic block counters. Should be at least
64bit. Although a counter cannot be negative, we use a signed
type to hold various extra stages. */
static const int n_bits = 61;
+private:
static const uint64_t max_count = ((uint64_t) 1 << n_bits) - 2;
static const uint64_t uninitialized_count = ((uint64_t) 1 << n_bits) - 1;