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| author | Jeffrey A Law <law@cygnus.com> | 2001-06-29 22:04:40 +0000 |
|---|---|---|
| committer | Jeff Law <law@gcc.gnu.org> | 2001-06-29 16:04:40 -0600 |
| commit | 8f1ae09ac2d66b503fa48b09dc3780180650224e (patch) | |
| tree | 063f15f33face19902f1620d6c36c1a72b8476e9 /gcc/doc | |
| parent | 9199d62b824513e2e5cd943f87e5e1a958a9f4ea (diff) | |
| download | gcc-8f1ae09ac2d66b503fa48b09dc3780180650224e.zip gcc-8f1ae09ac2d66b503fa48b09dc3780180650224e.tar.gz gcc-8f1ae09ac2d66b503fa48b09dc3780180650224e.tar.bz2 | |
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
Diffstat (limited to 'gcc/doc')
| -rw-r--r-- | gcc/doc/gcc.texi | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/gcc/doc/gcc.texi b/gcc/doc/gcc.texi index 6601ab6..1535917 100644 --- a/gcc/doc/gcc.texi +++ b/gcc/doc/gcc.texi @@ -3425,13 +3425,14 @@ the input file name. @cindex dead code elimination @opindex fdce @item -Dead Code Elimination. Turned on by the @option{-fdce} option. -This pass performs elimination of code considered unnecessary because it -is never executed. It operates in linear time. +SSA Aggressive Dead Code Elimination. Turned on by the @option{-fssa-dce} +option. This pass performs elimination of code considered unnecessary because +it has no externally visible effects on the program. It operates in +linear time. @opindex dX 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. @end itemize @cindex global common subexpression elimination |