diff options
Diffstat (limited to 'gcc/config/sparc/sparc.c')
| -rw-r--r-- | gcc/config/sparc/sparc.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/gcc/config/sparc/sparc.c b/gcc/config/sparc/sparc.c index 7ee5bcd..b26b59b 100644 --- a/gcc/config/sparc/sparc.c +++ b/gcc/config/sparc/sparc.c @@ -51,6 +51,7 @@ Boston, MA 02110-1301, USA. */ #include "cfglayout.h" #include "tree-gimple.h" #include "langhooks.h" +#include "params.h" /* Processor costs */ static const @@ -827,6 +828,20 @@ sparc_override_options (void) if (!(target_flags_explicit & MASK_LONG_DOUBLE_128)) target_flags |= MASK_LONG_DOUBLE_128; #endif + + if (!PARAM_SET_P (PARAM_SIMULTANEOUS_PREFETCHES)) + set_param_value ("simultaneous-prefetches", + ((sparc_cpu == PROCESSOR_ULTRASPARC + || sparc_cpu == PROCESSOR_NIAGARA) + ? 2 + : (sparc_cpu == PROCESSOR_ULTRASPARC3 + ? 8 : 3))); + if (!PARAM_SET_P (PARAM_L1_CACHE_LINE_SIZE)) + set_param_value ("l1-cache-line-size", + ((sparc_cpu == PROCESSOR_ULTRASPARC + || sparc_cpu == PROCESSOR_ULTRASPARC3 + || sparc_cpu == PROCESSOR_NIAGARA) + ? 64 : 32)); } #ifdef SUBTARGET_ATTRIBUTE_TABLE |