diff options
Diffstat (limited to 'gcc/doc/tm.texi.in')
| -rw-r--r-- | gcc/doc/tm.texi.in | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/gcc/doc/tm.texi.in b/gcc/doc/tm.texi.in index de7aa92df37..bbb032e217f 100644 --- a/gcc/doc/tm.texi.in +++ b/gcc/doc/tm.texi.in @@ -1849,8 +1849,8 @@ Normally, IRA tries to estimate the costs for saving a register in the prologue and restoring it in the epilogue. This discourages it from using call-saved registers. If a machine wants to ensure that IRA allocates registers in the order given by REG_ALLOC_ORDER even if some -call-saved registers appear earlier than call-used ones, this macro -should be defined. +call-saved registers appear earlier than call-used ones, then define this +macro as a C expression to nonzero. Default is 0. @end defmac @defmac IRA_HARD_REGNO_ADD_COST_MULTIPLIER (@var{regno}) @@ -3963,6 +3963,8 @@ Define this macro if the code for function profiling should come before the function prologue. Normally, the profiling code comes after. @end defmac +@hook TARGET_KEEP_LEAF_WHEN_PROFILED + @node Tail Calls @subsection Permitting tail calls @cindex tail calls |