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Diffstat (limited to 'gcc/doc/passes.texi')
| -rw-r--r-- | gcc/doc/passes.texi | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/gcc/doc/passes.texi b/gcc/doc/passes.texi index 6bbc61c..a71c7c6 100644 --- a/gcc/doc/passes.texi +++ b/gcc/doc/passes.texi @@ -507,6 +507,19 @@ The option @option{-dB} causes a debugging dump of the RTL code after this pass. This dump file's name is made by appending @samp{.bbro} to the input file name. +@cindex variable tracking +@item +Variable tracking. This pass computes where the variables are stored at each +position in code and generates notes describing the variable locations +to RTL code. The location lists are then generated according to these +notes to debug information if the debugging information format supports +location lists. + +@opindex dV +The option @option{-dV} causes a debugging dump of the RTL code after +this pass. This dump file's name is made by appending @samp{.vartrack} +to the input file name. + @cindex delayed branch scheduling @cindex scheduling, delayed branch @item |