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Diffstat (limited to 'gcc/doc/tm.texi')
| -rw-r--r-- | gcc/doc/tm.texi | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/gcc/doc/tm.texi b/gcc/doc/tm.texi index ceeec11..3a66303 100644 --- a/gcc/doc/tm.texi +++ b/gcc/doc/tm.texi @@ -1334,6 +1334,20 @@ You would most commonly define this macro if the @code{allocate_stack} pattern needs to support both a 32- and a 64-bit mode. @end defmac +@deftypefn {Target Hook} {enum machine_mode} TARGET_LIBGCC_CMP_RETURN_MODE () +This target hook should return the mode to be used for the return value +of compare instructions expanded to libgcc calls. If not defined +@code{word_mode} is returned which is the right choice for a majority of +targets. +@end deftypefn + +@deftypefn {Target Hook} {enum machine_mode} TARGET_LIBGCC_SHIFT_COUNT_MODE () +This target hook should return the mode to be used for the shift count operand +of shift instructions expanded to libgcc calls. If not defined +@code{word_mode} is returned which is the right choice for a majority of +targets. +@end deftypefn + @defmac TARGET_FLOAT_FORMAT A code distinguishing the floating point format of the target machine. There are four defined values: |