diff options
Diffstat (limited to 'gcc/config/sparc/sparc.c')
| -rw-r--r-- | gcc/config/sparc/sparc.c | 71 |
1 files changed, 63 insertions, 8 deletions
diff --git a/gcc/config/sparc/sparc.c b/gcc/config/sparc/sparc.c index b0d9ade..216fc60 100644 --- a/gcc/config/sparc/sparc.c +++ b/gcc/config/sparc/sparc.c @@ -168,6 +168,16 @@ static void sparc_nonflat_function_epilogue PARAMS ((FILE *, HOST_WIDE_INT, static void sparc_nonflat_function_prologue PARAMS ((FILE *, HOST_WIDE_INT, int)); static void sparc_elf_asm_named_section PARAMS ((const char *, unsigned int)); + +static void ultrasparc_sched_reorder PARAMS ((FILE *, int, rtx *, int)); +static int ultrasparc_variable_issue PARAMS ((rtx)); +static void ultrasparc_sched_init PARAMS ((void)); + +static int sparc_adjust_cost PARAMS ((rtx, rtx, rtx, int)); +static int sparc_issue_rate PARAMS ((void)); +static int sparc_variable_issue PARAMS ((FILE *, int, rtx, int)); +static void sparc_sched_init PARAMS ((FILE *, int, int)); +static int sparc_sched_reorder PARAMS ((FILE *, int, rtx *, int *, int)); /* Option handling. */ @@ -196,6 +206,17 @@ enum processor_type sparc_cpu; #undef TARGET_ASM_FUNCTION_EPILOGUE #define TARGET_ASM_FUNCTION_EPILOGUE sparc_output_function_epilogue +#undef TARGET_SCHED_ADJUST_COST +#define TARGET_SCHED_ADJUST_COST sparc_adjust_cost +#undef TARGET_SCHED_ISSUE_RATE +#define TARGET_SCHED_ISSUE_RATE sparc_issue_rate +#undef TARGET_SCHED_VARIABLE_ISSUE +#define TARGET_SCHED_VARIABLE_ISSUE sparc_variable_issue +#undef TARGET_SCHED_INIT +#define TARGET_SCHED_INIT sparc_sched_init +#undef TARGET_SCHED_REORDER +#define TARGET_SCHED_REORDER sparc_sched_reorder + struct gcc_target targetm = TARGET_INITIALIZER; /* Validate and override various options, and do some machine dependent @@ -7299,7 +7320,7 @@ ultrasparc_adjust_cost (insn, link, dep_insn, cost) #undef SLOW_FP } -int +static int sparc_adjust_cost(insn, link, dep, cost) rtx insn; rtx link; @@ -7680,10 +7701,8 @@ ultra_flush_pipeline () } /* Init our data structures for this current block. */ -void -ultrasparc_sched_init (dump, sched_verbose) - FILE *dump ATTRIBUTE_UNUSED; - int sched_verbose ATTRIBUTE_UNUSED; +static void +ultrasparc_sched_init () { memset ((char *) ultra_pipe_hist, 0, sizeof ultra_pipe_hist); ultra_cur_hist = 0; @@ -7691,10 +7710,20 @@ ultrasparc_sched_init (dump, sched_verbose) ultra_pipe.free_slot_mask = 0xf; } +static void +sparc_sched_init (dump, sched_verbose, max_ready) + FILE *dump ATTRIBUTE_UNUSED; + int sched_verbose ATTRIBUTE_UNUSED; + int max_ready ATTRIBUTE_UNUSED; +{ + if (sparc_cpu == PROCESSOR_ULTRASPARC) + ultrasparc_sched_init (); +} + /* INSN has been scheduled, update pipeline commit state and return how many instructions are still to be scheduled in this group. */ -int +static int ultrasparc_variable_issue (insn) rtx insn; { @@ -7718,6 +7747,19 @@ ultrasparc_variable_issue (insn) return left_to_fire; } +static int +sparc_variable_issue (dump, sched_verbose, insn, cim) + FILE *dump ATTRIBUTE_UNUSED; + int sched_verbose ATTRIBUTE_UNUSED; + rtx insn; + int cim; +{ + if (sparc_cpu == PROCESSOR_ULTRASPARC) + return ultrasparc_variable_issue (INSN); + else + return cim - 1; +} + /* In actual_hazard_this_instance, we may have yanked some instructions from the ready list due to conflict cost adjustments. If so, and such an insn was in our pipeline @@ -7767,7 +7809,7 @@ ultra_rescan_pipeline_state (ready, n_ready) } } -void +static void ultrasparc_sched_reorder (dump, sched_verbose, ready, n_ready) FILE *dump; int sched_verbose; @@ -8053,7 +8095,20 @@ ultrasparc_sched_reorder (dump, sched_verbose, ready, n_ready) } } -int +static int +sparc_sched_reorder (dump, sched_verbose, ready, n_readyp, clock) + FILE *dump; + int sched_verbose; + rtx *ready; + int *n_readyp; + int clock; +{ + if (sparc_cpu == PROCESSOR_ULTRASPARC) + ultrasparc_sched_reorder (dump, sched_verbose, ready, *n_readyp); + return sparc_issue_rate (); +} + +static int sparc_issue_rate () { switch (sparc_cpu) |