diff options
Diffstat (limited to 'gcc/doc/passes.texi')
| -rw-r--r-- | gcc/doc/passes.texi | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/gcc/doc/passes.texi b/gcc/doc/passes.texi index 423434d3c52..4a1d1e6871e 100644 --- a/gcc/doc/passes.texi +++ b/gcc/doc/passes.texi @@ -206,7 +206,7 @@ the input file name. @cindex sibling call optimization @item -Sibiling call optimization. This pass performs tail recursion +Sibling call optimization. This pass performs tail recursion elimination, and tail and sibling call optimizations. The purpose of these optimizations is to reduce the overhead of function calls, whenever possible. @@ -286,10 +286,9 @@ the input file name. @opindex fssa-ccp @item SSA Conditional Constant Propagation. Turned on by the @option{-fssa-ccp} -SSA Aggressive Dead Code Elimination. Turned on by the @option{-fssa-dce} option. This pass performs conditional constant propagation to simplify instructions including conditional branches. This pass is more aggressive -than the constant propgation done by the CSE and GCSE pases, but operates +than the constant propagation done by the CSE and GCSE passes, but operates in linear time. @opindex dW @@ -461,7 +460,7 @@ appending @samp{.sched} to the input file name. @cindex register allocation @item -Register allocation. These passes make sure that all occurences of pseudo +Register allocation. These passes make sure that all occurrences of pseudo registers are eliminated, either by allocating them to a hard register, replacing them by an equivalent expression (e.g.@: a constant) or by placing them on the stack. This is done in several subpasses: |