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Diffstat (limited to 'gcc/doc/tm.texi')
| -rw-r--r-- | gcc/doc/tm.texi | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/gcc/doc/tm.texi b/gcc/doc/tm.texi index 20d9fa1..3f37cdb 100644 --- a/gcc/doc/tm.texi +++ b/gcc/doc/tm.texi @@ -4042,6 +4042,12 @@ Define this macro as a C expression that is nonzero for registers that are used by the epilogue or the @samp{return} pattern. The stack and frame pointer registers are already be assumed to be used as needed. +@findex EH_USES +@item EH_USES (@var{regno}) +Define this macro as a C expression that is nonzero for registers that are +used by the exception handling mechanism, and so should be considered live +on entry to an exception edge. + @findex DELAY_SLOTS_FOR_EPILOGUE @item DELAY_SLOTS_FOR_EPILOGUE Define this macro if the function epilogue contains delay slots to which |