i386.c (nocona_cost, [...]): Update preffered memcpy/memset codegen.

	* i386.c (nocona_cost, pentium4_cost): Update preffered memcpy/memset
	codegen.

From-SVN: r119620

gcc/ChangeLog

 2006-12-07  Jan Hubicka  <jh@suse.cz>
 
+	* i386.c (nocona_cost, pentium4_cost): Update preffered memcpy/memset
+	codegen.
+
+2006-12-07  Jan Hubicka  <jh@suse.cz>
+
 	* tree-vrp.c (compare_values): Short circuit INTEGER_CST;
 	use fold_constant_to_binary; tolerate wrong type constants.
 	(value_intersect_p): Do just two tests.

gcc/config/i386/i386.c

@@ -655,9 +655,9 @@ struct processor_costs pentium4_cost = {
   COSTS_N_INSNS (2),			/* cost of FABS instruction.  */
   COSTS_N_INSNS (2),			/* cost of FCHS instruction.  */
   COSTS_N_INSNS (43),			/* cost of FSQRT instruction.  */
-  {{libcall, {{12, loop_1_byte}, {64, loop}, {-1, rep_prefix_4_byte}}},
+  {{libcall, {{12, loop_1_byte}, {-1, rep_prefix_4_byte}}},
    DUMMY_STRINGOP_ALGS},
-  {{libcall, {{6, loop_1_byte}, {64, loop}, {20480, rep_prefix_4_byte},
+  {{libcall, {{6, loop_1_byte}, {48, loop}, {20480, rep_prefix_4_byte},
    {-1, libcall}}},
    DUMMY_STRINGOP_ALGS},
 };
@@ -713,10 +713,10 @@ struct processor_costs nocona_cost = {
   COSTS_N_INSNS (3),			/* cost of FABS instruction.  */
   COSTS_N_INSNS (3),			/* cost of FCHS instruction.  */
   COSTS_N_INSNS (44),			/* cost of FSQRT instruction.  */
-  {{libcall, {{12, loop_1_byte}, {64, loop}, {-1, rep_prefix_4_byte}}},
+  {{libcall, {{12, loop_1_byte}, {-1, rep_prefix_4_byte}}},
    {libcall, {{32, loop}, {20000, rep_prefix_8_byte},
 	      {100000, unrolled_loop}, {-1, libcall}}}},
-  {{libcall, {{6, loop_1_byte}, {64, loop}, {20480, rep_prefix_4_byte},
+  {{libcall, {{6, loop_1_byte}, {48, loop}, {20480, rep_prefix_4_byte},
    {-1, libcall}}},
    {libcall, {{24, loop}, {64, unrolled_loop},
 	      {8192, rep_prefix_8_byte}, {-1, libcall}}}}