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| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/doc/invoke.texi | 22 |
2 files changed, 28 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 452b4b0..4be825c 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2014-05-21 Martin Jambor <mjambor@suse.cz> + + * doc/invoke.texi (Optimize Options): Document parameters + ipa-cp-eval-threshold, ipa-max-agg-items, ipa-cp-loop-hint-bonus and + ipa-cp-array-index-hint-bonus. + 2014-05-21 Mark Wielaard <mjw@redhat.com> PR debug/16063 diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi index 1a0cf19..dbb6af6 100644 --- a/gcc/doc/invoke.texi +++ b/gcc/doc/invoke.texi @@ -10079,6 +10079,28 @@ parameter in order to propagate them and perform devirtualization. @option{ipa-cp-value-list-size} is the maximum number of values and types it stores per one formal parameter of a function. +@item ipa-cp-eval-threshold +IPA-CP calculates its own score of cloning profitability heuristics +and performs those cloning opportunities with scores that exceed +@option{ipa-cp-eval-threshold}. + +@item ipa-max-agg-items +IPA-CP is also capable to propagate a number of scalar values passed +in an aggregate. @option{ipa-max-agg-items} controls the maximum +number of such values per one parameter. + +@item ipa-cp-loop-hint-bonus +When IPA-CP determines that a cloning candidate would make the number +of iterations of a loop known, it adds a bonus of +@option{ipa-cp-loop-hint-bonus} bonus to the profitability score of +the candidate. + +@item ipa-cp-array-index-hint-bonus +When IPA-CP determines that a cloning candidate would make the index of +an array access known, it adds a bonus of +@option{ipa-cp-array-index-hint-bonus} bonus to the profitability +score of the candidate. + @item lto-partitions Specify desired number of partitions produced during WHOPR compilation. The number of partitions should exceed the number of CPUs used for compilation. |