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| author | Jan Hubicka <hubicka@ucw.cz> | 2015-10-12 08:08:06 +0200 |
|---|---|---|
| committer | Jan Hubicka <hubicka@gcc.gnu.org> | 2015-10-12 06:08:06 +0000 |
| commit | 5330a79d3409f2e0f0dfd314414e53e29136cf89 (patch) | |
| tree | d4accf58de2a34e8123d341b92a7158299ca171e /gcc | |
| parent | 86b7136a66a19238434916c6a6f5e9fe1c4ad54e (diff) | |
| download | gcc-5330a79d3409f2e0f0dfd314414e53e29136cf89.zip gcc-5330a79d3409f2e0f0dfd314414e53e29136cf89.tar.gz gcc-5330a79d3409f2e0f0dfd314414e53e29136cf89.tar.bz2 | |
cgraphbuild.c (compute_call_stmt_bb_frequency): Use counts when these are more informative.
* cgraphbuild.c (compute_call_stmt_bb_frequency): Use
counts when these are more informative.
From-SVN: r228703
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/cgraphbuild.c | 16 |
2 files changed, 16 insertions, 5 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 931dede..5d38bf6 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,5 +1,10 @@ 2015-10-11 Jan Hubicka <hubicka@ucw.cz> + * cgraphbuild.c (compute_call_stmt_bb_frequency): Use + counts when these are more informative. + +2015-10-11 Jan Hubicka <hubicka@ucw.cz> + * tree-profile.c (tree_profiling): Do not clear pure/const when not instrumenting. (pass tree_profile): Add dump of symtab. diff --git a/gcc/cgraphbuild.c b/gcc/cgraphbuild.c index 33b01be..a7b4af6 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; |