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stormy16.h (CONST_COSTS): Define.

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* config/stormy16/stormy16.h (CONST_COSTS): Define.
	(RTX_COSTS): Define.
	(ADDRESS_COST): Define.
	(MEMORY_MOVE_COST): Allow for memory_move_secondary_cost.

From-SVN: r46764
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Geoffrey Keating 2001-11-04 07:40:15 +00:00 committed by Geoffrey Keating
parent e06bc4e1fd
commit 3fdb2f711e
2 changed files with 28 additions and 5 deletions
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gcc/ChangeLog
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@ -1,5 +1,10 @@
2001-11-03 Geoffrey Keating <geoffk@redhat.com>
* config/stormy16/stormy16.h (CONST_COSTS): Define.
(RTX_COSTS): Define.
(ADDRESS_COST): Define.
(MEMORY_MOVE_COST): Allow for memory_move_secondary_cost.
* config/stormy16/stormy16.h (ASM_SPEC): Pass -g to the assembler.
* config/stormy16/stormy16.h (ASM_OUTPUT_MI_THUNK): Call

28
gcc/config/stormy16/stormy16.h
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@ -3240,7 +3240,17 @@ do { \
CODE is the expression code--redundant, since it can be obtained with
`GET_CODE (X)'. */
/* #define CONST_COSTS(X, CODE, OUTER_CODE) */
#define CONST_COSTS(X, CODE, OUTER_CODE) \
case CONST_INT: \
if (INTVAL (X) < 16 && INTVAL (X) >= 0) \
return COSTS_N_INSNS (1)/2; \
if (INTVAL (X) < 256 && INTVAL (X) >= 0) \
return COSTS_N_INSNS (1); \
case CONST_DOUBLE: \
case CONST: \
case SYMBOL_REF: \
case LABEL_REF: \
return COSTS_N_INSNS(2);
/* Like `CONST_COSTS' but applies to nonconstant RTL expressions. This can be
used, for example, to indicate how costly a multiply instruction is. In
@ -3250,7 +3260,11 @@ do { \
This macro is optional; do not define it if the default cost assumptions are
adequate for the target machine. */
/* #define RTX_COSTS(X, CODE, OUTER_CODE) */
#define RTX_COSTS(X, CODE, OUTER_CODE) \
case MULT: \
return COSTS_N_INSNS (35 + 6); \
case DIV: \
return COSTS_N_INSNS (51 - 6);
/* An expression giving the cost of an addressing mode that contains ADDRESS.
If not defined, the cost is computed from the ADDRESS expression and the
@ -3288,8 +3302,12 @@ do { \
Equivalent costs should probably only be given to addresses with different
numbers of registers on machines with lots of registers.
This macro will normally either not be defined or be defined as a constant. */
/* #define ADDRESS_COST(ADDRESS) */
This macro will normally either not be defined or be defined as a
constant. */
#define ADDRESS_COST(ADDRESS) \
(GET_CODE (ADDRESS) == CONST_INT ? 2 \
: GET_CODE (ADDRESS) == PLUS ? 7 \
: 5)
/* A C expression for the cost of moving data of mode MODE from a
register in class FROM to one in class TO. The classes are
@ -3315,7 +3333,7 @@ do { \
If moving between registers and memory is more expensive than between two
registers, you should define this macro to express the relative cost. */
#define MEMORY_MOVE_COST(M,C,I) 5
#define MEMORY_MOVE_COST(M,C,I) (5 + memory_move_secondary_cost (M, C, I))
/* A C expression for the cost of a branch instruction. A value of 1 is the
default; other values are interpreted relative to that. */