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authorsteven <steven@138bc75d-0d04-0410-961f-82ee72b054a4>2004-06-05 16:35:55 +0000
committersteven <steven@138bc75d-0d04-0410-961f-82ee72b054a4>2004-06-05 16:35:55 +0000
commitc76694bebfaeecc51d724aeb92e5acc220ee49e3 (patch)
tree80ec3d108875c06f85c4bca54d6aae260283af01 /gcc/config/v850
parent56a08dacf4f885e96f3d4209b05d0a3abadf8a2c (diff)
downloadppe42-gcc-c76694bebfaeecc51d724aeb92e5acc220ee49e3.tar.gz
ppe42-gcc-c76694bebfaeecc51d724aeb92e5acc220ee49e3.zip
* config/v850/v850.c (v850_use_dfa_pipeline_interface): New.
* config/v850/v850.md: Convert to DFA scheduler description. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@82653 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/config/v850')
-rw-r--r--gcc/config/v850/v850.c11
-rw-r--r--gcc/config/v850/v850.md12
2 files changed, 20 insertions, 3 deletions
diff --git a/gcc/config/v850/v850.c b/gcc/config/v850/v850.c
index f9e54cc2df9..5bd8ce455b0 100644
--- a/gcc/config/v850/v850.c
+++ b/gcc/config/v850/v850.c
@@ -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
diff --git a/gcc/config/v850/v850.md b/gcc/config/v850/v850.md
index 44ca8a96271..503f1fe6758 100644
--- a/gcc/config/v850/v850.md
+++ b/gcc/config/v850/v850.md
@@ -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
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