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gcc.texi (Passes): Update due to recent -fdce -> -fssa-dce changes. 

* gcc.texi (Passes): Update due to recent -fdce -> -fssa-dce
        changes.  Fix documentation for SSA DCE pass.

From-SVN: r43660
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Jeffrey A Law 2001-06-29 22:04:40 +00:00 committed by Jeff Law
parent 9199d62b82
commit 8f1ae09ac2
2 changed files with 8 additions and 4 deletions
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gcc/ChangeLog
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@ -5,6 +5,9 @@
Fri Jun 29 12:27:24 2001 Jeffrey A Law (law@cygnus.com) Fri Jun 29 12:27:24 2001 Jeffrey A Law (law@cygnus.com)
* doc/gcc.texi (Passes): Update due to recent -fdce -> -fssa-dce
changes. Fix documentation for SSA DCE pass.
* ssa-dce.c (ssa_eliminate_dead_code): Renamed from * ssa-dce.c (ssa_eliminate_dead_code): Renamed from
eliminate_date_code. eliminate_date_code.
* ssa.h (ssa_eliminate_dead_code): Corresponding changes. * ssa.h (ssa_eliminate_dead_code): Corresponding changes.

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gcc/doc/gcc.texi
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@ -3425,13 +3425,14 @@ the input file name.
@cindex dead code elimination @cindex dead code elimination
@opindex fdce @opindex fdce
@item @item
Dead Code Elimination. Turned on by the @option{-fdce} option. SSA Aggressive Dead Code Elimination. Turned on by the @option{-fssa-dce}
This pass performs elimination of code considered unnecessary because it option. This pass performs elimination of code considered unnecessary because
is never executed. It operates in linear time. it has no externally visible effects on the program. It operates in
linear time.
@opindex dX @opindex dX
The option @option{-dX} causes a debugging dump of the RTL code after The option @option{-dX} causes a debugging dump of the RTL code after
this pass. This dump file's name is made by appending @samp{.dce} to this pass. This dump file's name is made by appending @samp{.ssadce} to
the input file name. the input file name.
@end itemize @end itemize
@cindex global common subexpression elimination @cindex global common subexpression elimination