v850.c (v850_use_dfa_pipeline_interface): New.

* config/v850/v850.c (v850_use_dfa_pipeline_interface): New.
	* config/v850/v850.md: Convert to DFA scheduler description.

From-SVN: r82653
This commit is contained in:
Steven Bosscher 2004-06-05 16:35:55 +00:00 committed by Steven Bosscher
parent 9fc3ed51d0
commit dbeff3e56d
3 changed files with 25 additions and 3 deletions

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@ -1,3 +1,8 @@
2004-06-05 Steven Bosscher <stevenb@suse.de>
* config/v850/v850.c (v850_use_dfa_pipeline_interface): New.
* config/v850/v850.md: Convert to DFA scheduler description.
2004-06-05 Tobias Schlueter <tobias.schlueter@physik.uni-muenchen.de>
PR fortran/15478

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@ -64,6 +64,7 @@ static void v850_insert_attributes (tree, tree *);
static void v850_select_section (tree, int, unsigned HOST_WIDE_INT);
static void v850_encode_data_area (tree, rtx);
static void v850_encode_section_info (tree, rtx, int);
static int v850_use_dfa_pipeline_interface (void);
static bool v850_return_in_memory (tree, tree);
static void v850_setup_incoming_varargs (CUMULATIVE_ARGS *, enum machine_mode,
tree, int *, int);
@ -113,9 +114,13 @@ static int v850_interrupt_p = FALSE;
#undef TARGET_RTX_COSTS
#define TARGET_RTX_COSTS v850_rtx_costs
#undef TARGET_ADDRESS_COST
#define TARGET_ADDRESS_COST hook_int_rtx_0
#undef TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE
#define TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE v850_use_dfa_pipeline_interface
#undef TARGET_MACHINE_DEPENDENT_REORG
#define TARGET_MACHINE_DEPENDENT_REORG v850_reorg
@ -2340,6 +2345,12 @@ v850_encode_section_info (tree decl, rtx rtl, int first)
v850_encode_data_area (decl, XEXP (rtl, 0));
}
static int
v850_use_dfa_pipeline_interface (void)
{
return 1;
}
/* Return true if the given RTX is a register which can be restored
by a function epilogue. */
int

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@ -61,10 +61,16 @@
;; Function units for the V850. As best as I can tell, there's
;; a traditional memory load/use stall as well as a stall if
;; the result of a multiply is used too early.
;;
(define_function_unit "memory" 1 0 (eq_attr "type" "load") 2 0)
(define_function_unit "mult" 1 0 (eq_attr "type" "mult") 2 0)
(define_insn_reservation "v850_other" 1
(eq_attr "type" "other")
"nothing")
(define_insn_reservation "v850_mult" 2
(eq_attr "type" "mult")
"nothing")
(define_insn_reservation "v850_memory" 2
(eq_attr "type" "load")
"nothing")
;; ----------------------------------------------------------------------
;; MOVE INSTRUCTIONS