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authorrth <rth@138bc75d-0d04-0410-961f-82ee72b054a4>2003-01-28 04:46:33 +0000
committerrth <rth@138bc75d-0d04-0410-961f-82ee72b054a4>2003-01-28 04:46:33 +0000
commitfab7adbfb5b8861f87531f939ad03f891bba055a (patch)
tree1eaff917ba37b6f409082db1a76c42c218320c5e /gcc/config/s390
parentbb5d2966d86c25ca14d0d12cb96249b8069e0ab1 (diff)
downloadppe42-gcc-fab7adbfb5b8861f87531f939ad03f891bba055a.tar.gz
ppe42-gcc-fab7adbfb5b8861f87531f939ad03f891bba055a.zip
* Makefile.in (cse.o): Depend on TARGET_H.
* cse.c (rtx_cost): Use targetm.rtx_costs. * system.h (CONST_COSTS RTX_COSTS DEFAULT_RTX_COSTS): Poison. * doc/tm.texi: Update. * target.h (targetm.rtx_costs): New. * target-def.h (TARGET_RTX_COSTS): New. * hooks.c (hook_bool_rtx_int_int_intp_false): New. * hooks.h: Update. * config/alpha/alpha.c (alpha_rtx_cost_data): New. (alpha_rtx_costs, TARGET_RTX_COSTS): New. * config/alpha/alpha.h (PROCESSOR_MAX): New. (CONST_COSTS, RTX_COSTS): Remove. * config/arc/arc.c, config/arc/arc.h, config/c4x/c4x.c, config/c4x/c4x.h, config/cris/cris.c, config/cris/cris.h, config/d30v/d30v.c, config/d30v/d30v.h, config/dsp16xx/dsp16xx.c, config/dsp16xx/dsp16xx.h, config/frv/frv.c, config/frv/frv.h, config/h8300/h8300.c, config/h8300/h8300.h, config/i370/i370.c, config/i370/i370.h, config/i386/i386.c, config/i386/i386.h, config/i960/i960.c, config/i960/i960.h, config/ia64/ia64.c, config/ia64/ia64.h, config/m32r/m32r.c, config/m32r/m32r.h, config/m68k/m68k.c, config/m68k/m68k.h, config/m88k/m88k.c, config/m88k/m88k.h, config/mcore/mcore.c, config/mcore/mcore.h, config/mips/mips.c, config/mips/mips.h, config/mn10200/mn10200.c, config/mn10200/mn10200.h, config/mn10300/mn10300.c, config/mn10300/mn10300.h, config/ns32k/ns32k.c, config/ns32k/ns32k.h, config/pa/pa.c, config/pa/pa.h, config/pdp11/pdp11.c, config/pdp11/pdp11.h, config/romp/romp.c, config/romp/romp.h, config/rs6000/rs6000.c, config/rs6000/rs6000.h, config/s390/s390.c, config/s390/s390.h, config/sh/sh.c, config/sh/sh.h, config/stormy16/stormy16.c, config/stormy16/stormy16.h, config/v850/v850.c, config/v850/v850.h, config/xtensa/xtensa.c, config/xtensa/xtensa.h (CONST_COSTS, RTX_COSTS): Move code ... (foo_rtx_costs, TARGET_RTX_COSTS): ... here. * config/arm/arm.c (arm_rtx_costs_1): Rename from arm_rtx_costs. (arm_rtx_costs, TARGET_RTX_COSTS): New. * config/arm/arm-protos.h: Update. * config/arm/arm.h (DEFAULT_RTX_COSTS): Remove. * config/avr/avr.h (CONST_COSTS): Move code ... * config/avr/avr.c (avr_rtx_costs): ... here. (default_rtx_costs): Make static. * config/avr/avr-protos.h: Update. * config/h8300/h8300.c (const_costs): Make static. (h8300_and_costs, h8300_shift_costs): Likewise. * config/h8300/h8300-protos.h: Update. * config/ip2k/ip2k.h (DEFAULT_RTX_COSTS): Remove. (CONST_COSTS): Move code ... * config/ip2k/ip2k.c (ip2k_rtx_costs): ... here. Rename from default_rtx_costs; update for signature change. * config/ip2k/ip2k-protos.h: Update. * config/m68hc11/m68hc11.h (RTX_COSTS): Remove. (CONST_COSTS): Move code ... * config/m68hc11/m68hc11.c (m68hc11_rtx_costs): ... here. (TARGET_RTX_COSTS): New. (m68hc11_rtx_costs_1): Rename from m68hc11_rtx_costs; make static. * config/m68hc11/m68hc11-protos.h: Update. * config/m68k/m68k.c (const_int_cost): Make static. * config/m68k/m68k-protos.h: Update. * config/mcore/mcore.c (mcore_const_costs): Make static. (mcore_and_cost, mcore_ior_cost): Likewise. * config/mcore/mcore-protos.h: Update. * config/mmix/mmix.c (mmix_rtx_costs, TARGET_RTX_COSTS): New. (mmix_rtx_cost_recalculated): Remove. * config/mmix/mmix.h (DEFAULT_RTX_COSTS): Remove. * config/mmix/mmix-protos.h: Update. * config/sh/sh.c (shiftcosts): Make static. (addsubcosts, andcosts, multcosts): Likewise. * config/sh/sh-protos.h: Update. * config/sparc/sparc.c (TARGET_RTX_COSTS): New. (sparc_rtx_costs): Make static; update for change in signature. * config/sparc/sparc.h (RTX_COSTS_CASES, RTX_COSTS): Remove. * config/sparc/sparc-protos.h: Update. * config/v850/v850.c (const_costs): Make static. * config/v850/v850-protos.h: Update. * config/vax/vax.h (RTX_COSTS): Remove. (CONST_COSTS): Move code ... * config/vax/vax.c (vax_rtx_costs_1): ... here; rename from vax_rtx_cost. (vax_rtx_costs, TARGET_RTX_COSTS): New. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@61954 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/config/s390')
-rw-r--r--gcc/config/s390/s390.c76
-rw-r--r--gcc/config/s390/s390.h66
2 files changed, 76 insertions, 66 deletions
diff --git a/gcc/config/s390/s390.c b/gcc/config/s390/s390.c
index b22c9c420d9..7149ae90f75 100644
--- a/gcc/config/s390/s390.c
+++ b/gcc/config/s390/s390.c
@@ -66,6 +66,7 @@ static enum attr_type s390_safe_attr_type PARAMS ((rtx));
static int s390_adjust_cost PARAMS ((rtx, rtx, rtx, int));
static int s390_issue_rate PARAMS ((void));
static int s390_use_dfa_pipeline_interface PARAMS ((void));
+static bool s390_rtx_costs PARAMS ((rtx, int, int, int *));
#undef TARGET_ASM_ALIGNED_HI_OP
@@ -113,6 +114,8 @@ static int s390_use_dfa_pipeline_interface PARAMS ((void));
#undef TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE
#define TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE s390_use_dfa_pipeline_interface
+#undef TARGET_RTX_COSTS
+#define TARGET_RTX_COSTS s390_rtx_costs
struct gcc_target targetm = TARGET_INITIALIZER;
@@ -1192,6 +1195,79 @@ q_constraint (op)
return 1;
}
+/* Compute a (partial) cost for rtx X. Return true if the complete
+ cost has been computed, and false if subexpressions should be
+ scanned. In either case, *TOTAL contains the cost result. */
+
+static bool
+s390_rtx_costs (x, code, outer_code, total)
+ rtx x;
+ int code, outer_code;
+ int *total;
+{
+ switch (code)
+ {
+ case CONST:
+ if (GET_CODE (XEXP (x, 0)) == MINUS
+ && GET_CODE (XEXP (XEXP (x, 0), 1)) != CONST_INT)
+ *total = 1000;
+ else
+ *total = 0;
+ return true;
+
+ case CONST_INT:
+ /* Force_const_mem does not work out of reload, because the
+ saveable_obstack is set to reload_obstack, which does not
+ live long enough. Because of this we cannot use force_const_mem
+ in addsi3. This leads to problems with gen_add2_insn with a
+ constant greater than a short. Because of that we give an
+ addition of greater constants a cost of 3 (reload1.c 10096). */
+ /* ??? saveable_obstack no longer exists. */
+ if (outer_code == PLUS
+ && (INTVAL (x) > 32767 || INTVAL (x) < -32768))
+ *total = COSTS_N_INSNS (3);
+ else
+ *total = 0;
+ return true;
+
+ case LABEL_REF:
+ case SYMBOL_REF:
+ case CONST_DOUBLE:
+ *total = 0;
+ return true;
+
+ case ASHIFT:
+ case ASHIFTRT:
+ case LSHIFTRT:
+ case PLUS:
+ case AND:
+ case IOR:
+ case XOR:
+ case MINUS:
+ case NEG:
+ case NOT:
+ *total = COSTS_N_INSNS (1);
+ return true;
+
+ case MULT:
+ if (GET_MODE (XEXP (x, 0)) == DImode)
+ *total = COSTS_N_INSNS (40);
+ else
+ *total = COSTS_N_INSNS (7);
+ return true;
+
+ case DIV:
+ case UDIV:
+ case MOD:
+ case UMOD:
+ *total = COSTS_N_INSNS (33);
+ return true;
+
+ default:
+ return false;
+ }
+}
+
/* Return the cost of an address rtx ADDR. */
int
diff --git a/gcc/config/s390/s390.h b/gcc/config/s390/s390.h
index b9ea747c963..066f2cf3670 100644
--- a/gcc/config/s390/s390.h
+++ b/gcc/config/s390/s390.h
@@ -812,72 +812,6 @@ extern struct rtx_def *s390_compare_op0, *s390_compare_op1;
/* Relative costs of operations. */
-/* A part of a C `switch' statement that describes the relative costs
- of constant RTL expressions. It must contain `case' labels for
- expression codes `const_int', `const', `symbol_ref', `label_ref'
- and `const_double'. Each case must ultimately reach a `return'
- statement to return the relative cost of the use of that kind of
- constant value in an expression. The cost may depend on the
- precise value of the constant, which is available for examination
- in X, and the rtx code of the expression in which it is contained,
- found in OUTER_CODE.
-
- CODE is the expression code--redundant, since it can be obtained
- with `GET_CODE (X)'. */
-/* Force_const_mem does not work out of reload, because the saveable_obstack
- is set to reload_obstack, which does not live long enough.
- Because of this we cannot use force_const_mem in addsi3.
- This leads to problems with gen_add2_insn with a constant greater
- than a short. Because of that we give an addition of greater
- constants a cost of 3 (reload1.c 10096). */
-
-#define CONST_COSTS(RTX, CODE, OUTER_CODE) \
- case CONST: \
- if ((GET_CODE (XEXP (RTX, 0)) == MINUS) && \
- (GET_CODE (XEXP (XEXP (RTX, 0), 1)) != CONST_INT)) \
- return 1000; \
- case CONST_INT: \
- if ((OUTER_CODE == PLUS) && \
- ((INTVAL (RTX) > 32767) || \
- (INTVAL (RTX) < -32768))) \
- return COSTS_N_INSNS (3); \
- case LABEL_REF: \
- case SYMBOL_REF: \
- case CONST_DOUBLE: \
- return 0; \
-
-
-/* Like `CONST_COSTS' but applies to nonconstant RTL expressions.
- This can be used, for example, to indicate how costly a multiply
- instruction is. In writing this macro, you can use the construct
- `COSTS_N_INSNS (N)' to specify a cost equal to N fast
- instructions. OUTER_CODE is the code of the expression in which X
- is contained. */
-
-#define RTX_COSTS(X, CODE, OUTER_CODE) \
- case ASHIFT: \
- case ASHIFTRT: \
- case LSHIFTRT: \
- case PLUS: \
- case AND: \
- case IOR: \
- case XOR: \
- case MINUS: \
- case NEG: \
- case NOT: \
- return COSTS_N_INSNS (1); \
- case MULT: \
- if (GET_MODE (XEXP (X, 0)) == DImode) \
- return COSTS_N_INSNS (40); \
- else \
- return COSTS_N_INSNS (7); \
- case DIV: \
- case UDIV: \
- case MOD: \
- case UMOD: \
- return COSTS_N_INSNS (33);
-
-
/* 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 `CONST_COSTS' values. */
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