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| author | Jan Hubicka <hubicka@ucw.cz> | 2017-07-16 18:35:00 +0200 |
|---|---|---|
| committer | Jan Hubicka <hubicka@gcc.gnu.org> | 2017-07-16 16:35:00 +0000 |
| commit | b2ff44a8ebcc67ba914ce3bd60eafec23da5bff8 (patch) | |
| tree | 004e79cd85255b597562811eadf6c8f51afc4b5e /gcc | |
| parent | 77ba27b40be89dc62d53e569a1917d4f74b71b25 (diff) | |
| download | gcc-b2ff44a8ebcc67ba914ce3bd60eafec23da5bff8.zip gcc-b2ff44a8ebcc67ba914ce3bd60eafec23da5bff8.tar.gz gcc-b2ff44a8ebcc67ba914ce3bd60eafec23da5bff8.tar.bz2 | |
cfgloopmanip.c (scale_loop_profile): Avoid use of REG_BR_PROB_BASE fixpoint arithmetics.
* cfgloopmanip.c (scale_loop_profile): Avoid use of REG_BR_PROB_BASE
fixpoint arithmetics.
From-SVN: r250242
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/cfgloopmanip.c | 4 |
2 files changed, 7 insertions, 2 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 849de45..ccceea5 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,5 +1,10 @@ 2017-07-16 Jan Hubicka <hubicka@ucw.cz> + * cfgloopmanip.c (scale_loop_profile): Avoid use of REG_BR_PROB_BASE + fixpoint arithmetics. + +2017-07-16 Jan Hubicka <hubicka@ucw.cz> + * tree-ssa-loop-unswitch.c (hoist_guard): Avoid use of REG_BR_PROB_BASE fixpoint arithmetics. diff --git a/gcc/cfgloopmanip.c b/gcc/cfgloopmanip.c index 3f4ff98..f62c829 100644 --- a/gcc/cfgloopmanip.c +++ b/gcc/cfgloopmanip.c @@ -546,8 +546,8 @@ scale_loop_profile (struct loop *loop, profile_probability p, /* Probability of exit must be 1/iterations. */ freq_delta = EDGE_FREQUENCY (e); - e->probability = profile_probability::from_reg_br_prob_base - (REG_BR_PROB_BASE / iteration_bound); + e->probability = profile_probability::always () + .apply_scale (1, iteration_bound); other_e->probability = e->probability.invert (); freq_delta -= EDGE_FREQUENCY (e); |