diff options
Diffstat (limited to 'gcc/profile-count.c')
| -rw-r--r-- | gcc/profile-count.c | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/gcc/profile-count.c b/gcc/profile-count.c index 9c57323..51c3b74 100644 --- a/gcc/profile-count.c +++ b/gcc/profile-count.c @@ -31,6 +31,7 @@ along with GCC; see the file COPYING3. If not see #include "data-streamer.h" #include "cgraph.h" #include "wide-int.h" +#include "sreal.h" /* Dump THIS to F. */ @@ -256,6 +257,32 @@ profile_count::to_cgraph_frequency (profile_count entry_bb_count) const return MIN (scale, CGRAPH_FREQ_MAX); } +/* Return THIS/IN as sreal value. */ + +sreal +profile_count::to_sreal_scale (profile_count in, bool *known) const +{ + if (!initialized_p ()) + { + if (known) + *known = false; + return CGRAPH_FREQ_BASE; + } + if (known) + *known = true; + if (*this == profile_count::zero ()) + return 0; + gcc_checking_assert (in.initialized_p ()); + + if (!in.m_val) + { + if (!m_val) + return 1; + return m_val * 4; + } + return (sreal)m_val / (sreal)in.m_val; +} + /* We want to scale profile across function boundary from NUM to DEN. Take care of the side case when DEN is zeros. We still want to behave sanely here which means |