Index: gcc/testsuite/gcc.target/s390/20030123-1.c
===================================================================
--- gcc/testsuite/gcc.target/s390/20030123-1.c	(revision 187042)
+++ gcc/testsuite/gcc.target/s390/20030123-1.c	(working copy)
@@ -12,7 +12,7 @@
    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);
 }
Index: gcc/common/config/s390/s390-common.c
===================================================================
--- gcc/common/config/s390/s390-common.c	(revision 187042)
+++ gcc/common/config/s390/s390-common.c	(working copy)
@@ -51,6 +51,12 @@
   {
     { 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 },