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authorhubicka <hubicka@138bc75d-0d04-0410-961f-82ee72b054a4>2015-10-12 06:08:06 +0000
committerhubicka <hubicka@138bc75d-0d04-0410-961f-82ee72b054a4>2015-10-12 06:08:06 +0000
commitb5f3ba2abffe26ee15d3a6a1f511166f8b4571eb (patch)
treed4accf58de2a34e8123d341b92a7158299ca171e /gcc/cgraphbuild.c
parent1059fe8616747dba3d278a7ce58bf0ca38fe87a5 (diff)
downloadgcc-b5f3ba2abffe26ee15d3a6a1f511166f8b4571eb.tar.gz
* cgraphbuild.c (compute_call_stmt_bb_frequency): Use
counts when these are more informative. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@228703 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/cgraphbuild.c')
-rw-r--r--gcc/cgraphbuild.c16
1 files changed, 11 insertions, 5 deletions
diff --git a/gcc/cgraphbuild.c b/gcc/cgraphbuild.c
index 33b01be83ac..a7b4af6d9fb 100644
--- a/gcc/cgraphbuild.c
+++ b/gcc/cgraphbuild.c
@@ -202,15 +202,21 @@ compute_call_stmt_bb_frequency (tree decl, basic_block bb)
{
int entry_freq = ENTRY_BLOCK_PTR_FOR_FN
(DECL_STRUCT_FUNCTION (decl))->frequency;
- int freq = bb->frequency;
+ gcov_type entry_count = ENTRY_BLOCK_PTR_FOR_FN
+ (DECL_STRUCT_FUNCTION (decl))->count;
+ gcov_type freq = bb->frequency;
if (profile_status_for_fn (DECL_STRUCT_FUNCTION (decl)) == PROFILE_ABSENT)
return CGRAPH_FREQ_BASE;
- if (!entry_freq)
- entry_freq = 1, freq++;
-
- freq = freq * CGRAPH_FREQ_BASE / entry_freq;
+ if (entry_count > entry_freq)
+ freq = RDIV (bb->count * CGRAPH_FREQ_BASE, entry_count);
+ else
+ {
+ if (!entry_freq)
+ entry_freq = 1, freq++;
+ freq = RDIV (freq * CGRAPH_FREQ_BASE, entry_freq);
+ }
if (freq > CGRAPH_FREQ_MAX)
freq = CGRAPH_FREQ_MAX;