Use -fsched-pressure and -fomit-frame-pointer

in nds32_option_optimization_table.

gcc/
	* common/config/nds32/nds32-common.c
	(nds32_option_optimization_table): Refine formatting.
	(nds32_option_optimization_table): Use -fsched-pressure and
	-fomit-frame-pointer for specific optimization level.

From-SVN: r252876

gcc/ChangeLog

 2017-09-16  Chung-Ju Wu  <jasonwucj@gmail.com>
 
+	* common/config/nds32/nds32-common.c
+	(nds32_option_optimization_table): Refine formatting.
+	(nds32_option_optimization_table): Use -fsched-pressure and
+	-fomit-frame-pointer for specific optimization level.
+
+2017-09-16  Chung-Ju Wu  <jasonwucj@gmail.com>
+
 	* config/nds32/nds32.c: Refine formatting and comments.
 	* config/nds32/nds32.h: Likewise.
 	* config/nds32/nds32.md: Likewise.

gcc/common/config/nds32/nds32-common.c

@@ -74,8 +74,10 @@ nds32_handle_option (struct gcc_options *opts ATTRIBUTE_UNUSED,
 /* Implement TARGET_OPTION_OPTIMIZATION_TABLE.  */
 static const struct default_options nds32_option_optimization_table[] =
 {
-  /* Enable -fomit-frame-pointer by default at -O1 or higher.  */
-  { OPT_LEVELS_1_PLUS, OPT_fomit_frame_pointer, NULL, 1 },
+  /* Enable -fsched-pressure by default at -O1 and above.  */
+  { OPT_LEVELS_1_PLUS,            OPT_fsched_pressure,     NULL, 1 },
+  /* Enable -fomit-frame-pointer by default at all optimization levels.  */
+  { OPT_LEVELS_ALL,               OPT_fomit_frame_pointer, NULL, 1 },
   /* Enable -mv3push by default at -Os, but it is useless under V2 ISA.  */
   { OPT_LEVELS_SIZE,              OPT_mv3push,             NULL, 1 },