From d28441a7e79071c327afffae3eea189f7a9942bb Mon Sep 17 00:00:00 2001 From: Sandra Loosemore Date: Thu, 8 Nov 2018 17:02:38 -0500 Subject: [PATCH] =?utf8?q?re=20PR=20other/36572=20(Documentation=20for=20s?= =?utf8?q?ome=20options=20starting=20with=20=E2=80=9Cno-=E2=80=9D=20not=20?= =?utf8?q?clear)?= MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit 2018-11-08 Sandra Loosemore PR other/36572 gcc/ * doc/invoke.texi (Optimize Options): Clarify default behavior for -fno-sched-interblock and -fno-sched-spec. From-SVN: r265939 --- gcc/ChangeLog | 6 ++++++ gcc/doc/invoke.texi | 8 ++++---- 2 files changed, 10 insertions(+), 4 deletions(-) diff --git a/gcc/ChangeLog b/gcc/ChangeLog index e131f6243d85..d55dd2e80269 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2018-11-08 Sandra Loosemore + + PR other/36572 + * doc/invoke.texi (Optimize Options): Clarify default behavior + for -fno-sched-interblock and -fno-sched-spec. + 2018-11-08 Paul Koning * config/pdp11/constraints.md: Add "Z" series constraints for use diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi index 4ff3a1505af5..e0a770491b6c 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 -- 2.47.2