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| author | Sandra Loosemore <sandra@codesourcery.com> | 2018-11-08 17:02:38 -0500 |
|---|---|---|
| committer | Sandra Loosemore <sandra@gcc.gnu.org> | 2018-11-08 17:02:38 -0500 |
| commit | d28441a7e79071c327afffae3eea189f7a9942bb (patch) | |
| tree | fbf156bdad2580c3e437d36f0911ad9720019b8e | |
| parent | 2033f45beb8097d778281e7c49068a8817796558 (diff) | |
| download | gcc-d28441a7e79071c327afffae3eea189f7a9942bb.zip gcc-d28441a7e79071c327afffae3eea189f7a9942bb.tar.gz gcc-d28441a7e79071c327afffae3eea189f7a9942bb.tar.bz2 | |
re PR other/36572 (Documentation for some options starting with “no-” not clear)
2018-11-08 Sandra Loosemore <sandra@codesourcery.com>
PR other/36572
gcc/
* doc/invoke.texi (Optimize Options): Clarify default behavior
for -fno-sched-interblock and -fno-sched-spec.
From-SVN: r265939
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/doc/invoke.texi | 8 |
2 files changed, 10 insertions, 4 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index e131f62..d55dd2e 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2018-11-08 Sandra Loosemore <sandra@codesourcery.com> + + PR other/36572 + * doc/invoke.texi (Optimize Options): Clarify default behavior + for -fno-sched-interblock and -fno-sched-spec. + 2018-11-08 Paul Koning <ni1d@arrl.net> * config/pdp11/constraints.md: Add "Z" series constraints for use diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi index 4ff3a150..e0a7704 100644 --- a/gcc/doc/invoke.texi +++ b/gcc/doc/invoke.texi @@ -8632,14 +8632,14 @@ Enabled at levels @option{-O2}, @option{-O3}, @option{-Os}. @item -fno-sched-interblock @opindex fno-sched-interblock -Don't schedule instructions across basic blocks. This is normally -enabled by default when scheduling before register allocation, i.e.@: +Disable instruction scheduling across basic blocks, which +is normally enabled when scheduling before register allocation, i.e.@: with @option{-fschedule-insns} or at @option{-O2} or higher. @item -fno-sched-spec @opindex fno-sched-spec -Don't allow speculative motion of non-load instructions. This is normally -enabled by default when scheduling before register allocation, i.e.@: +Disable speculative motion of non-load instructions, which +is normally enabled when scheduling before register allocation, i.e.@: with @option{-fschedule-insns} or at @option{-O2} or higher. @item -fsched-pressure |