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authorRichard Henderson <rth@redhat.com>2003-01-27 20:46:33 -0800
committerRichard Henderson <rth@gcc.gnu.org>2003-01-27 20:46:33 -0800
commit3c50106f69e2a73f98a24f154979249e3b5ff79d (patch)
tree1eaff917ba37b6f409082db1a76c42c218320c5e /gcc/config/m32r/m32r.c
parent5ca9898002fc6c777cd25caa42e58ece40fe9978 (diff)
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Makefile.in (cse.o): Depend on TARGET_H.
* 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. From-SVN: r61954
Diffstat (limited to 'gcc/config/m32r/m32r.c')
-rw-r--r--gcc/config/m32r/m32r.c54
1 files changed, 54 insertions, 0 deletions
diff --git a/gcc/config/m32r/m32r.c b/gcc/config/m32r/m32r.c
index a004eed..6d4f2a3 100644
--- a/gcc/config/m32r/m32r.c
+++ b/gcc/config/m32r/m32r.c
@@ -80,6 +80,7 @@ static void m32r_select_section PARAMS ((tree, int, unsigned HOST_WIDE_INT));
static void m32r_encode_section_info PARAMS ((tree, int));
static const char *m32r_strip_name_encoding PARAMS ((const char *));
static void init_idents PARAMS ((void));
+static bool m32r_rtx_costs PARAMS ((rtx, int, int, int *));
/* Initialize the GCC target structure. */
#undef TARGET_ATTRIBUTE_TABLE
@@ -113,6 +114,9 @@ static void init_idents PARAMS ((void));
#undef TARGET_STRIP_NAME_ENCODING
#define TARGET_STRIP_NAME_ENCODING m32r_strip_name_encoding
+#undef TARGET_RTX_COSTS
+#define TARGET_RTX_COSTS m32r_rtx_costs
+
struct gcc_target targetm = TARGET_INITIALIZER;
/* Called by OVERRIDE_OPTIONS to initialize various things. */
@@ -1751,6 +1755,56 @@ m32r_variable_issue (stream, verbose, insn, how_many)
/* Cost functions. */
+static bool
+m32r_rtx_costs (x, code, outer_code, total)
+ rtx x;
+ int code, outer_code ATTRIBUTE_UNUSED;
+ int *total;
+{
+ switch (code)
+ {
+ /* Small integers are as cheap as registers. 4 byte values can be
+ fetched as immediate constants - let's give that the cost of an
+ extra insn. */
+ case CONST_INT:
+ if (INT16_P (INTVAL (x)))
+ {
+ *total = 0;
+ return true;
+ }
+ /* FALLTHRU */
+
+ case CONST:
+ case LABEL_REF:
+ case SYMBOL_REF:
+ *total = COSTS_N_INSNS (1);
+ return true;
+
+ case CONST_DOUBLE:
+ {
+ rtx high, low;
+ split_double (x, &high, &low);
+ *total = COSTS_N_INSNS (!INT16_P (INTVAL (high))
+ + !INT16_P (INTVAL (low)));
+ return true;
+ }
+
+ case MULT:
+ *total = COSTS_N_INSNS (3);
+ return true;
+
+ case DIV:
+ case UDIV:
+ case MOD:
+ case UMOD:
+ *total = COSTS_N_INSNS (10);
+ return true;
+
+ default:
+ return false;
+ }
+}
+
/* Provide the costs of an addressing mode that contains ADDR.
If ADDR is not a valid address, its cost is irrelevant.