expr.h (enum libfunc_index): Add LTI_memmove.

        * expr.h (enum libfunc_index): Add LTI_memmove.
        (memmove_libfunc): Define macro.
        * optabs.c (init_optabs): Initialize memmove_libfunc.
        * expr.c (expand_assignment): Use memmove_libfunc instead of
        memcpy_libfunc.

From-SVN: r41345

gcc/ChangeLog

+Fri Apr 13 21:40:28 2001  Loren J. Rittle  <ljrittle@acm.org>
+
+	* expr.h (enum libfunc_index): Add LTI_memmove.
+	(memmove_libfunc): Define macro.
+	* optabs.c (init_optabs): Initialize memmove_libfunc.
+	* expr.c (expand_assignment): Use memmove_libfunc instead of
+	memcpy_libfunc.
+
 2001-04-13  Alan Modra  <alan@linuxcare.com.au>
 
         * pa.h (GO_IF_LEGITIMATE_ADDRESS): Disallow PIC LO_SUM

gcc/expr.c

@@ -3935,7 +3935,7 @@ expand_assignment (to, from, want_value, suggest_reg)
 			   TYPE_MODE (sizetype));
 
 #ifdef TARGET_MEM_FUNCTIONS
-      emit_library_call (memcpy_libfunc, LCT_NORMAL,
+      emit_library_call (memmove_libfunc, LCT_NORMAL,
 			 VOIDmode, 3, XEXP (to_rtx, 0), Pmode,
 			 XEXP (from_rtx, 0), Pmode,
 			 convert_to_mode (TYPE_MODE (sizetype),

gcc/expr.h

@@ -480,6 +480,7 @@ enum libfunc_index
   LTI_trunctfdf2,
 
   LTI_memcpy,
+  LTI_memmove,
   LTI_bcopy,
   LTI_memcmp,
   LTI_bcmp,
@@ -611,6 +612,7 @@ extern rtx libfunc_table[LTI_MAX];
 #define trunctfdf2_libfunc	(libfunc_table[LTI_trunctfdf2])
 
 #define memcpy_libfunc	(libfunc_table[LTI_memcpy])
+#define memmove_libfunc	(libfunc_table[LTI_memmove])
 #define bcopy_libfunc	(libfunc_table[LTI_bcopy])
 #define memcmp_libfunc	(libfunc_table[LTI_memcmp])
 #define bcmp_libfunc	(libfunc_table[LTI_bcmp])

gcc/optabs.c

@@ -4763,6 +4763,7 @@ init_optabs ()
   trunctfdf2_libfunc = init_one_libfunc ("__trunctfdf2");
 
   memcpy_libfunc = init_one_libfunc ("memcpy");
+  memmove_libfunc = init_one_libfunc ("memmove");
   bcopy_libfunc = init_one_libfunc ("bcopy");
   memcmp_libfunc = init_one_libfunc ("memcmp");
   bcmp_libfunc = init_one_libfunc ("__gcc_bcmp");