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Diffstat (limited to 'gcc/doc/tm.texi.in')
| -rw-r--r-- | gcc/doc/tm.texi.in | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/gcc/doc/tm.texi.in b/gcc/doc/tm.texi.in index 63f4edb3a43..1bb3806c5df 100644 --- a/gcc/doc/tm.texi.in +++ b/gcc/doc/tm.texi.in @@ -4205,6 +4205,14 @@ If this macro evaluates to @code{false} the comparison functions return in @file{libgcc.a}, you do not need to define this macro. @end defmac +@defmac TARGET_HAS_NO_HW_DIVIDE +This macro should be defined if the target has no hardware divide +instructions. If this macro is defined, GCC will use an algorithm which +make use of simple logical and arithmetic operations for 64-bit +division. If the macro is not defined, GCC will use an algorithm which +make use of a 64-bit by 32-bit divide primitive. +@end defmac + @cindex @code{EDOM}, implicit usage @findex matherr @defmac TARGET_EDOM |