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| author | Zdenek Dvorak <rakdver@atrey.karlin.mff.cuni.cz> | 2003-07-30 21:23:34 +0200 |
|---|---|---|
| committer | Zdenek Dvorak <rakdver@gcc.gnu.org> | 2003-07-30 19:23:34 +0000 |
| commit | 6e885ee3ff4f358d7a7e84b8687f27a61101a25f (patch) | |
| tree | 3736c245736a667b97a048cf693be5fe11ae12ef /gcc/combine.c | |
| parent | fd9b4d64fb349ebc9c6aa1fb7f44ce3b42614032 (diff) | |
| download | gcc-6e885ee3ff4f358d7a7e84b8687f27a61101a25f.tar.gz | |
combine.c (distribute_notes): Cancel REG_VALUE_PROFILE notes.
* combine.c (distribute_notes): Cancel REG_VALUE_PROFILE notes.
* gcov-io.h (GCOV_FIRST_VALUE_COUNTER, GCOV_LAST_VALUE_COUNTER,
GCOV_N_VALUE_COUNTERS): New.
* profile.c (compute_value_histograms): New static function.
(branch_prob): Read back the value histograms.
* rtl.c (reg_note_name): Add name for REG_VALUE_PROFILE note.
* rtl.h (enum reg_note): Add REG_VALUE_PROFILE note.
* value-prof.c: Add comment on reading the profile.
* value-prof.h (COUNTER_FOR_HIST_TYPE, HIST_TYPE_FOR_COUNTER): New.
* doc/invoke.texi (-fprofile-values): Document behavior with
-fbranch-probabilities.
From-SVN: r69969
Diffstat (limited to 'gcc/combine.c')
| -rw-r--r-- | gcc/combine.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/gcc/combine.c b/gcc/combine.c index de7ace43a2b..e3c1cf6ec7a 100644 --- a/gcc/combine.c +++ b/gcc/combine.c @@ -12456,6 +12456,10 @@ distribute_notes (rtx notes, rtx from_insn, rtx i3, rtx i2) place = i3; break; + case REG_VALUE_PROFILE: + /* Just get rid of this note, as it is unused later anyway. */ + break; + case REG_VTABLE_REF: /* ??? Should remain with *a particular* memory load. Given the nature of vtable data, the last insn seems relatively safe. */ |