diff options
Diffstat (limited to 'gcc/profile-count.c')
| -rw-r--r-- | gcc/profile-count.c | 44 |
1 files changed, 43 insertions, 1 deletions
diff --git a/gcc/profile-count.c b/gcc/profile-count.c index 44ceaed..d703140 100644 --- a/gcc/profile-count.c +++ b/gcc/profile-count.c @@ -42,7 +42,11 @@ profile_count::dump (FILE *f) const else { fprintf (f, "%" PRId64, m_val); - if (m_quality == profile_adjusted) + if (m_quality == profile_guessed_local) + fprintf (f, " (estimated locally)"); + else if (m_quality == profile_guessed_global0) + fprintf (f, " (estimated locally, globally 0)"); + else if (m_quality == profile_adjusted) fprintf (f, " (adjusted)"); else if (m_quality == profile_afdo) fprintf (f, " (auto FDO)"); @@ -65,6 +69,7 @@ profile_count::debug () const bool profile_count::differs_from_p (profile_count other) const { + gcc_checking_assert (compatible_p (other)); if (!initialized_p () || !other.initialized_p ()) return false; if ((uint64_t)m_val - (uint64_t)other.m_val < 100 @@ -213,3 +218,40 @@ slow_safe_scale_64bit (uint64_t a, uint64_t b, uint64_t c, uint64_t *res) *res = (uint64_t) -1; return false; } + +/* Return count as frequency within FUN scaled in range 0 to REG_FREQ_MAX + Used for legacy code and should not be used anymore. */ + +int +profile_count::to_frequency (struct function *fun) const +{ + if (!initialized_p ()) + return BB_FREQ_MAX; + if (*this == profile_count::zero ()) + return 0; + gcc_assert (REG_BR_PROB_BASE == BB_FREQ_MAX + && fun->cfg->count_max.initialized_p ()); + profile_probability prob = probability_in (fun->cfg->count_max); + if (!prob.initialized_p ()) + return REG_BR_PROB_BASE; + return prob.to_reg_br_prob_base (); +} + +/* Return count as frequency within FUN scaled in range 0 to CGRAPH_FREQ_MAX + where CGRAPH_FREQ_BASE means that count equals to entry block count. + Used for legacy code and should not be used anymore. */ + +int +profile_count::to_cgraph_frequency (profile_count entry_bb_count) const +{ + if (!initialized_p ()) + return CGRAPH_FREQ_BASE; + if (*this == profile_count::zero ()) + return 0; + gcc_checking_assert (entry_bb_count.initialized_p ()); + uint64_t scale; + if (!safe_scale_64bit (!entry_bb_count.m_val ? m_val + 1 : m_val, + CGRAPH_FREQ_BASE, MAX (1, entry_bb_count.m_val), &scale)) + return CGRAPH_FREQ_MAX; + return MIN (scale, CGRAPH_FREQ_MAX); +} |