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invoke.texi: Fix description of -fsched-stalled-insns=0, -fsched-stalled-insns.

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* doc/invoke.texi: Fix description of -fsched-stalled-insns=0,
	-fsched-stalled-insns.

From-SVN: r130159
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Jakub Jelinek 2007-11-13 21:37:16 +01:00 committed by Jakub Jelinek
parent e73d166e6f
commit b423089ec2
2 changed files with 9 additions and 5 deletions
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gcc/ChangeLog
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@ -1,5 +1,8 @@
2007-11-13 Jakub Jelinek <jakub@redhat.com>
* doc/invoke.texi: Fix description of -fsched-stalled-insns=0,
-fsched-stalled-insns.
PR tree-optimization/34063
* tree-chrec.c (chrec_evaluate): Put CHREC_LEFT based argument
as first chrec_fold_plus operand rather than second.

11
gcc/doc/invoke.texi
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@ -5606,10 +5606,11 @@ sense when scheduling before register allocation, i.e.@: with
@opindex fsched-stalled-insns
Define how many insns (if any) can be moved prematurely from the queue
of stalled insns into the ready list, during the second scheduling pass.
@option{-fno-fsched-stalled-insns} and @option{-fsched-stalled-insns=0}
are equivalent and mean that no insns will be moved prematurely.
If @var{n} is unspecified then there is no limit on how many queued
insns can be moved prematurely.
@option{-fno-sched-stalled-insns} means that no insns will be moved
prematurely, @option{-fsched-stalled-insns=0} means there is no limit
on how many queued insns can be moved prematurely.
@option{-fsched-stalled-insns} without a value is equivalent to
@option{-fsched-stalled-insns=1}.
@item -fsched-stalled-insns-dep
@itemx -fsched-stalled-insns-dep=@var{n}
@ -5617,7 +5618,7 @@ insns can be moved prematurely.
Define how many insn groups (cycles) will be examined for a dependency
on a stalled insn that is candidate for premature removal from the queue
of stalled insns. This has an effect only during the second scheduling pass,
and only if @option{-fsched-stalled-insns} is used and its value is not zero.
and only if @option{-fsched-stalled-insns} is used.
@option{-fno-sched-stalled-insns-dep} is equivalent to
@option{-fsched-stalled-insns-dep=0}.
@option{-fsched-stalled-insns-dep} without a value is equivalent to