diff options
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/config/s390/s390.c | 8 |
2 files changed, 11 insertions, 3 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 024d982..1edcb62 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2010-05-25 Andreas Krebbel <Andreas.Krebbel@de.ibm.com> + + * config/s390/s390.c (optimization_options): Fix and move the + flag_prefetch_loop_arrays override ... + (override_options): ... here. + 2010-05-25 Joseph Myers <joseph@codesourcery.com> * diagnostic.c: Don't include plugin.h. diff --git a/gcc/config/s390/s390.c b/gcc/config/s390/s390.c index 72a7685..2972545 100644 --- a/gcc/config/s390/s390.c +++ b/gcc/config/s390/s390.c @@ -1474,9 +1474,6 @@ optimization_options (int level ATTRIBUTE_UNUSED, int size ATTRIBUTE_UNUSED) without maintaining a stack frame back-chain. */ flag_asynchronous_unwind_tables = 1; - if (HAVE_prefetch || optimize >= 3) - flag_prefetch_loop_arrays = 1; - /* Use MVCLE instructions to decrease code size if requested. */ if (size != 0) target_flags |= MASK_MVCLE; @@ -1676,6 +1673,11 @@ override_options (void) set_param_value ("prefetch-min-insn-to-mem-ratio", 2); if (!PARAM_SET_P (PARAM_SIMULTANEOUS_PREFETCHES)) set_param_value ("simultaneous-prefetches", 6); + + /* This cannot reside in optimization_options since HAVE_prefetch + requires the arch flags to be evaluated already. */ + if (HAVE_prefetch && optimize >= 3) + flag_prefetch_loop_arrays = 1; } /* Map for smallest class containing reg regno. */ |