+Wed Nov 10 00:51:41 1999 Hans-Peter Nilsson <hp@axis.se>
+
+ * invoke.texi (C Dialect Options): Add missing builtins from
+ c-common.c to list.
+ * extend.texi (Other Builtins): Copy to this list.
+
Wed Nov 10 04:58:09 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
* Makefile.in (recog.o): Use BASIC_BLOCK_H macro.
standard C library. These will always be treated as having the same
meaning as the C library function even if you specify the
@samp{-fno-builtin} (@pxref{C Dialect Options}) option. These functions
-correspond to the C library functions @code{alloca}, @code{ffs},
-@code{abs}, @code{fabsf}, @code{fabs}, @code{fabsl}, @code{labs},
-@code{memcpy}, @code{memcmp}, @code{strcmp}, @code{strcpy},
-@code{strlen}, @code{sqrtf}, @code{sqrt}, @code{sqrtl}, @code{sinf},
-@code{sin}, @code{sinl}, @code{cosf}, @code{cos}, and @code{cosl}.
+correspond to the C library functions @code{abort}, @code{abs},
+@code{alloca}, @code{cos}, @code{cosf}, @code{cosl}, @code{exit},
+@code{_exit}, @code{fabs}, @code{fabsf}, @code{fabsl}, @code{ffs},
+@code{labs}, @code{memcmp}, @code{memcpy}, @code{memset}, @code{sin},
+@code{sinf}, @code{sinl}, @code{sqrt}, @code{sqrtf}, @code{sqrtl},
+@code{strcmp}, @code{strcpy}, and @code{strlen}.
@findex __builtin_constant_p
You can use the builtin function @code{__builtin_constant_p} to
@findex abs
@findex alloca
@findex cos
+@findex cosf
+@findex cosl
@findex exit
+@findex _exit
@findex fabs
+@findex fabsf
+@findex fabsl
@findex ffs
@findex labs
@findex memcmp
@findex memcpy
+@findex memset
@findex sin
+@findex sinf
+@findex sinl
@findex sqrt
+@findex sqrtf
+@findex sqrtl
@findex strcmp
@findex strcpy
@findex strlen
Don't recognize builtin functions that do not begin with @samp{__builtin_}
as prefix. Currently, the functions affected include @code{abort},
-@code{abs}, @code{alloca}, @code{cos}, @code{exit}, @code{fabs},
-@code{ffs}, @code{labs}, @code{memcmp}, @code{memcpy}, @code{sin},
-@code{sqrt}, @code{strcmp}, @code{strcpy}, and @code{strlen}.
+@code{abs}, @code{alloca}, @code{cos}, @code{cosf}, @code{cosl},
+@code{exit}, @code{_exit}, @code{fabs}, @code{fabsf}, @code{fabsl},
+@code{ffs}, @code{labs}, @code{memcmp}, @code{memcpy}, @code{memset},
+@code{sin}, @code{sinf}, @code{sinl}, @code{sqrt}, @code{sqrtf},
+@code{sqrtl}, @code{strcmp}, @code{strcpy}, and @code{strlen}.
GCC normally generates special code to handle certain builtin functions
more efficiently; for instance, calls to @code{alloca} may become single
cannot set a breakpoint on those calls, nor can you change the behavior
of the functions by linking with a different library.
-The @samp{-ansi} option prevents @code{alloca} and @code{ffs} from being
-builtin functions, since these functions do not have an ANSI standard
-meaning.
+The @samp{-ansi} option prevents @code{alloca}, @code{ffs} and @code{_exit}
+from being builtin functions, since these functions do not have an ANSI
+standard meaning.
@item -fhosted
@cindex hosted environment