This patch adapts some scheduling-related parameters.
---
gcc/config/s390/s390.c | 10 +++++-----
1 file changed, 5 insertions(+), 5 deletions(-)
diff --git a/gcc/config/s390/s390.c b/gcc/config/s390/s390.c
index 78a707267e8..901807e7833 100644
--- a/gcc/config/s390/s390.c
+++ b/gcc/config/s390/s390.c
@@ -358,12 +358,12 @@ static int fpd_longrunning[NUM_SIDES];
in use for MAX_SCHED_MIX_DISTANCE steps. Increase this value to
give instruction mix scheduling more priority over instruction
grouping. */
-#define MAX_SCHED_MIX_SCORE 8
+#define MAX_SCHED_MIX_SCORE 2
/* The maximum distance up to which individual scores will be
calculated. Everything beyond this gives MAX_SCHED_MIX_SCORE.
Increase this with the OOO windows size of the machine. */
-#define MAX_SCHED_MIX_DISTANCE 100
+#define MAX_SCHED_MIX_DISTANCE 70
/* Structure used to hold the components of a S/390 memory
address. A legitimate address on S/390 is of the general
@@ -14238,7 +14238,7 @@ s390_z10_prevent_earlyload_conflicts (rtx_insn **ready,
int *nready_p)
}
/* Returns TRUE if BB is entered via a fallthru edge and all other
- incoming edges are less than unlikely. */
+ incoming edges are less than likely. */
static bool
s390_bb_fallthru_entry_likely (basic_block bb)
{
@@ -14254,7 +14254,7 @@ s390_bb_fallthru_entry_likely (basic_block bb)
FOR_EACH_EDGE (e, ei, bb->preds)
if (e != fallthru_edge
- && e->probability >= profile_probability::unlikely ())
+ && e->probability >= profile_probability::likely ())
return false;
return true;
@@ -14390,7 +14390,7 @@ s390_sched_score (rtx_insn *insn)
score += 5;
if ((mask & S390_SCHED_ATTR_MASK_GROUPALONE) != 0)
score += 10;
- /* fallthrough */
+ break;
case 1:
/* Prefer not cracked insns while trying to put together a
group. */
--
2.17.0
