* toplev.c (process_options): Disable -fprefetch-loop-arrays with
-Os and issue a warning.
From-SVN: r49146
+2002-01-23 Janis Johnson <janis187@us.ibm.com>
+
+ * toplev.c (process_options): Disable -fprefetch-loop-arrays with
+ -Os and issue a warning.
+
2002-01-23 Zack Weinberg <zack@codesourcery.com>
* doc/fragments.texi, doc/hostconfig.texi: Update to reflect
2002-01-22 Janis Johnson <janis187@us.ibm.com>
* Makefile.in (loop.o): Depend on OPTABS_H.
- * loop.c (expand_builtin_prefetch): Check the prefetch operand
+ * loop.c (emit_prefetch_instructions): Check the prefetch operand
against the predicate.
PR target/5379
}
#endif
+ /* This combination of options isn't handled for i386 targets and doesn't
+ make much sense anyway, so don't allow it. */
+ if (flag_prefetch_loop_arrays && optimize_size)
+ {
+ warning ("-fprefetch-loop-arrays is not supported with -Os");
+ flag_prefetch_loop_arrays = 0;
+ }
+
#ifndef OBJECT_FORMAT_ELF
if (flag_function_sections && write_symbols != NO_DEBUG)
warning ("-ffunction-sections may affect debugging on some targets");