+2007-04-24 Richard Sandiford <richard@codesourcery.com>
+
+ * optabs.c (set_conv_libfunc): Prefer libgcc2's __ffsMM2 functions
+ over an external ffs function.
+
2007-04-24 Chao-ying Fu <fu@mips.com>
Richard Sandiford <richard@nildram.co.uk>
init_optabs (void)
{
unsigned int i;
+ enum machine_mode int_mode;
/* Start by initializing all tables to contain CODE_FOR_nothing. */
/* Fill in the optabs with the insns we support. */
init_all_optabs ();
+ /* The ffs function operates on `int'. Fall back on it if we do not
+ have a libgcc2 function for that width. */
+ int_mode = mode_for_size (INT_TYPE_SIZE, MODE_INT, 0);
+ ffs_optab->handlers[(int) int_mode].libfunc = init_one_libfunc ("ffs");
+
/* Initialize the optabs with the names of the library functions. */
init_integral_libfuncs (add_optab, "add", '3');
init_floating_libfuncs (add_optab, "add", '3');
abs_optab->handlers[TYPE_MODE (complex_double_type_node)].libfunc
= init_one_libfunc ("cabs");
- /* The ffs function operates on `int'. */
- ffs_optab->handlers[(int) mode_for_size (INT_TYPE_SIZE, MODE_INT, 0)].libfunc
- = init_one_libfunc ("ffs");
-
abort_libfunc = init_one_libfunc ("abort");
memcpy_libfunc = init_one_libfunc ("memcpy");
memmove_libfunc = init_one_libfunc ("memmove");