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Diffstat (limited to 'gcc/doc/tm.texi')
| -rw-r--r-- | gcc/doc/tm.texi | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/gcc/doc/tm.texi b/gcc/doc/tm.texi index fc73bb2..434c42a 100644 --- a/gcc/doc/tm.texi +++ b/gcc/doc/tm.texi @@ -3130,6 +3130,19 @@ the CFI label attached to the insn, @var{pattern} is the pattern of the insn and @var{index} is @code{UNSPEC_INDEX} or @code{UNSPECV_INDEX}. @end deftypefn +@deftypefn {Target Hook} {unsigned int} TARGET_DWARF_POLY_INDETERMINATE_VALUE (unsigned int @var{i}, unsigned int *@var{factor}, int *@var{offset}) +Express the value of @code{poly_int} indeterminate @var{i} as a DWARF +expression, with @var{i} counting from 1. Return the number of a DWARF +register @var{R} and set @samp{*@var{factor}} and @samp{*@var{offset}} such +that the value of the indeterminate is: +@smallexample +value_of(@var{R}) / @var{factor} - @var{offset} +@end smallexample + +A target only needs to define this hook if it sets +@samp{NUM_POLY_INT_COEFFS} to a value greater than 1. +@end deftypefn + @defmac INCOMING_FRAME_SP_OFFSET A C expression whose value is an integer giving the offset, in bytes, from the value of the stack pointer register to the top of the stack |