diff options
Diffstat (limited to 'gcc/config/ns32k/ns32k.c')
| -rw-r--r-- | gcc/config/ns32k/ns32k.c | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/gcc/config/ns32k/ns32k.c b/gcc/config/ns32k/ns32k.c index 4e861132fcb..58650c4c924 100644 --- a/gcc/config/ns32k/ns32k.c +++ b/gcc/config/ns32k/ns32k.c @@ -72,6 +72,7 @@ const struct attribute_spec ns32k_attribute_table[]; static void ns32k_output_function_prologue PARAMS ((FILE *, HOST_WIDE_INT)); static void ns32k_output_function_epilogue PARAMS ((FILE *, HOST_WIDE_INT)); static void ns32k_encode_section_info PARAMS ((tree, int)); +static bool ns32k_rtx_costs PARAMS ((rtx, int, int, int *)); /* Initialize the GCC target structure. */ #undef TARGET_ATTRIBUTE_TABLE @@ -92,6 +93,9 @@ static void ns32k_encode_section_info PARAMS ((tree, int)); #undef TARGET_ENCODE_SECTION_INFO #define TARGET_ENCODE_SECTION_INFO ns32k_encode_section_info +#undef TARGET_RTX_COSTS +#define TARGET_RTX_COSTS ns32k_rtx_costs + struct gcc_target targetm = TARGET_INITIALIZER; /* Generate the assembly code for function entry. FILE is a stdio @@ -490,6 +494,38 @@ hard_regno_mode_ok (regno, mode) return 0; } +static bool +ns32k_rtx_costs (x, code, outer_code, total) + rtx x; + int code, outer_code ATTRIBUTE_UNUSED; + int *total; +{ + switch (code) + { + case CONST_INT: + if (INTVAL (x) <= 7 && INTVAL (x) >= -8) + *total = 0; + else if (INTVAL (x) < 0x2000 && INTVAL (x) >= -0x2000) + *total = 1; + else + *total = 3; + return true; + + case CONST: + case LABEL_REF: + case SYMBOL_REF: + *total = 3; + return true; + + case CONST_DOUBLE: + *total = 5; + return true; + + default: + return false; + } +} + int register_move_cost (CLASS1, CLASS2) enum reg_class CLASS1; enum reg_class CLASS2; |