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Diffstat (limited to 'gcc/doc/passes.texi')
| -rw-r--r-- | gcc/doc/passes.texi | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/gcc/doc/passes.texi b/gcc/doc/passes.texi index 8a96a69..fe0fc2e 100644 --- a/gcc/doc/passes.texi +++ b/gcc/doc/passes.texi @@ -1,5 +1,5 @@ -@c Copyright (C) 1988, 1989, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 2002, -@c 1999, 2000, 2001 Free Software Foundation, Inc. +@c Copyright (C) 1988, 1989, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, +@c 2000, 2001, 2002, 2003 Free Software Foundation, Inc. @c This is part of the GCC manual. @c For copying conditions, see the file gcc.texi. @@ -338,6 +338,19 @@ The option @option{-dL} causes a debugging dump of the RTL code after this pass. This dump file's name is made by appending @samp{.loop} to the input file name. +@cindex jump bypassing +@item +Jump bypassing. This pass is an aggressive form of GCSE that transforms +the control flow graph of a function by propagating constants into +conditional branch instructions. + +The source file for this pass is @file{gcse.c}. + +@opindex dG +The option @option{-dG} causes a debugging dump of the RTL code after +this pass. This dump file's name is made by appending @samp{.bypass} +to the input file name. + @item @opindex frerun-cse-after-loop If @option{-frerun-cse-after-loop} was enabled, a second common |