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| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/config/s390/s390.c | 5 |
2 files changed, 10 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 21dedf4..3e11af8 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2009-07-24 Andreas Krebbel <krebbel1@de.ibm.com> + + * config/s390/s390.c (override_options): Default + max-unrolled-insns to 100 for z10 tuning. + 2009-07-24 Tobias Grosser <grosser@fim.uni-passau.de> * Makefile.in (TREE_DATA_REF_H, tree-vrp.o, tree-cfg.o, tree-if-conv.o diff --git a/gcc/config/s390/s390.c b/gcc/config/s390/s390.c index 1454fde..f5b2fa7 100644 --- a/gcc/config/s390/s390.c +++ b/gcc/config/s390/s390.c @@ -52,6 +52,7 @@ along with GCC; see the file COPYING3. If not see #include "optabs.h" #include "gimple.h" #include "df.h" +#include "params.h" /* Define the specific costs for a given cpu. */ @@ -1627,6 +1628,10 @@ override_options (void) if (!(target_flags_explicit & MASK_LONG_DOUBLE_128)) target_flags |= MASK_LONG_DOUBLE_128; #endif + + if (s390_tune == PROCESSOR_2097_Z10 + && !PARAM_SET_P (PARAM_MAX_UNROLLED_INSNS)) + set_param_value ("max-unrolled-insns", 100); } /* Map for smallest class containing reg regno. */ |