diff options
Diffstat (limited to 'gcc/config/d30v/d30v.c')
| -rw-r--r-- | gcc/config/d30v/d30v.c | 19 |
1 files changed, 17 insertions, 2 deletions
diff --git a/gcc/config/d30v/d30v.c b/gcc/config/d30v/d30v.c index cf5918f..2af7b26 100644 --- a/gcc/config/d30v/d30v.c +++ b/gcc/config/d30v/d30v.c @@ -51,6 +51,8 @@ static void d30v_mark_machine_status PARAMS ((struct function *)); static void d30v_free_machine_status PARAMS ((struct function *)); static void d30v_output_function_prologue PARAMS ((FILE *, HOST_WIDE_INT)); static void d30v_output_function_epilogue PARAMS ((FILE *, HOST_WIDE_INT)); +static int d30v_adjust_cost PARAMS ((rtx, rtx, rtx, int)); +static int d30v_issue_rate PARAMS ((void)); /* Define the information needed to generate branch and scc insns. This is stored from the compare operation. */ @@ -86,6 +88,10 @@ enum reg_class reg_class_from_letter[256]; #define TARGET_ASM_FUNCTION_PROLOGUE d30v_output_function_prologue #undef TARGET_ASM_FUNCTION_EPILOGUE #define TARGET_ASM_FUNCTION_EPILOGUE d30v_output_function_epilogue +#undef TARGET_SCHED_ADJUST_COST +#define TARGET_SCHED_ADJUST_COST d30v_adjust_cost +#undef TARGET_SCHED_ISSUE_RATE +#define TARGET_SCHED_ISSUE_RATE d30v_issue_rate struct gcc_target targetm = TARGET_INITIALIZER; @@ -3490,7 +3496,7 @@ d30v_machine_dependent_reorg (insn) /* For the d30v, try to insure that the source operands for a load/store are set 2 cycles before the memory reference. */ -int +static int d30v_adjust_cost (insn, link, dep_insn, cost) rtx insn; rtx link ATTRIBUTE_UNUSED; @@ -3511,13 +3517,22 @@ d30v_adjust_cost (insn, link, dep_insn, cost) || (GET_CODE (mem = SET_DEST (set_insn)) == MEM && reg_mentioned_p (reg, XEXP (mem, 0)))) { - return cost + ((HAIFA_P) ? 2 : 4); + return cost + 2; } } return cost; } +/* Function which returns the number of insns that can be + scheduled in the same machine cycle. This must be constant + over an entire compilation. The default is 1. */ +static int +d30v_issue_rate () +{ + return 2; +} + /* Routine to allocate, mark and free a per-function, machine specific structure. */ |