s390-common.c (s390_option_optimization_table): Enable -fsched-pressure using…

s390-common.c (s390_option_optimization_table): Enable -fsched-pressure using -fsched-pressure-algorithm=model by default when...

2012-05-02  Ulrich Weigand  <ulrich.weigand@linaro.org>

	gcc/
	* common/config/s390/s390-common.c (s390_option_optimization_table):
	Enable -fsched-pressure using -fsched-pressure-algorithm=model by
	default when optimizing.

	gcc/testsuite/
	* gcc.target/s390/20030123-1.c: Add missing "volatile".

From-SVN: r187064

gcc/ChangeLog

+2012-05-02  Ulrich Weigand  <ulrich.weigand@linaro.org>
+
+	* common/config/s390/s390-common.c (s390_option_optimization_table):
+	Enable -fsched-pressure using -fsched-pressure-algorithm=model by
+	default when optimizing.
+
 2012-05-02  Martin Jambor  <mjambor@suse.cz>
 
 	PR lto/52605

gcc/common/config/s390/s390-common.c

@@ -51,6 +51,12 @@ static const struct default_options s390_option_optimization_table[] =
   {
     { OPT_LEVELS_1_PLUS, OPT_fomit_frame_pointer, NULL, 1 },
 
+    /* Enable -fsched-pressure using -fsched-pressure-algorithm=model
+       by default when optimizing.  */
+    { OPT_LEVELS_1_PLUS, OPT_fsched_pressure, NULL, 1 },
+    { OPT_LEVELS_1_PLUS, OPT_fsched_pressure_algorithm_,
+      NULL, SCHED_PRESSURE_MODEL },
+
     /* ??? There are apparently still problems with -fcaller-saves.  */
     { OPT_LEVELS_ALL, OPT_fcaller_saves, NULL, 0 },
 

gcc/testsuite/ChangeLog

+2012-05-02  Ulrich Weigand  <ulrich.weigand@linaro.org>
+
+	* gcc.target/s390/20030123-1.c: Add missing "volatile".
+
 2012-05-02  Martin Jambor  <mjambor@suse.cz>
 
 	PR lto/52605

gcc/testsuite/gcc.target/s390/20030123-1.c

@@ -12,7 +12,7 @@ void test (void)
    char *p = alloca (4096);
    long idx;
 
-   asm ("" : "=r" (idx) : : "1", "2", "3", "4", "5", "6", "7", "8", "9", "10", "12");
+   asm volatile ("" : "=r" (idx) : : "1", "2", "3", "4", "5", "6", "7", "8", "9", "10", "12");
 
    func (p + idx + 1);
 }