const char *const name;
const enum rs6000_builtins code;
};
+\f
+/* Target cpu costs. */
+
+struct processor_costs {
+ const int mulsi; /* cost of SImode multiplication. */
+ const int mulsi_const; /* cost of SImode multiplication by constant. */
+ const int mulsi_const9; /* cost of SImode mult by short constant. */
+ const int muldi; /* cost of DImode multiplication. */
+ const int divsi; /* cost of SImode division. */
+ const int divdi; /* cost of DImode division. */
+};
+
+const struct processor_costs *rs6000_cost;
+
+/* Processor costs (relative to an add) */
+
+/* Instruction size costs on 32bit processors. */
+static const
+struct processor_costs size32_cost = {
+ 1, /* mulsi */
+ 1, /* mulsi_const */
+ 1, /* mulsi_const9 */
+ 1, /* muldi */
+ 1, /* divsi */
+ 1, /* divdi */
+};
+
+/* Instruction size costs on 64bit processors. */
+static const
+struct processor_costs size64_cost = {
+ 1, /* mulsi */
+ 1, /* mulsi_const */
+ 1, /* mulsi_const9 */
+ 1, /* muldi */
+ 1, /* divsi */
+ 1, /* divdi */
+};
+
+/* Instruction costs on RIOS1 processors. */
+static const
+struct processor_costs rios1_cost = {
+ 5, /* mulsi */
+ 4, /* mulsi_const */
+ 3, /* mulsi_const9 */
+ 5, /* muldi */
+ 19, /* divsi */
+ 19, /* divdi */
+};
+
+/* Instruction costs on RIOS2 processors. */
+static const
+struct processor_costs rios2_cost = {
+ 2, /* mulsi */
+ 2, /* mulsi_const */
+ 2, /* mulsi_const9 */
+ 2, /* muldi */
+ 13, /* divsi */
+ 13, /* divdi */
+};
+
+/* Instruction costs on RS64A processors. */
+static const
+struct processor_costs rs64a_cost = {
+ 20, /* mulsi */
+ 12, /* mulsi_const */
+ 8, /* mulsi_const9 */
+ 34, /* muldi */
+ 65, /* divsi */
+ 67, /* divdi */
+};
+
+/* Instruction costs on MPCCORE processors. */
+static const
+struct processor_costs mpccore_cost = {
+ 2, /* mulsi */
+ 2, /* mulsi_const */
+ 2, /* mulsi_const9 */
+ 2, /* muldi */
+ 6, /* divsi */
+ 6, /* divdi */
+};
+
+/* Instruction costs on PPC403 processors. */
+static const
+struct processor_costs ppc403_cost = {
+ 4, /* mulsi */
+ 4, /* mulsi_const */
+ 4, /* mulsi_const9 */
+ 4, /* muldi */
+ 33, /* divsi */
+ 33, /* divdi */
+};
+
+/* Instruction costs on PPC405 processors. */
+static const
+struct processor_costs ppc405_cost = {
+ 5, /* mulsi */
+ 4, /* mulsi_const */
+ 3, /* mulsi_const9 */
+ 5, /* muldi */
+ 35, /* divsi */
+ 35, /* divdi */
+};
+
+/* Instruction costs on PPC440 processors. */
+static const
+struct processor_costs ppc440_cost = {
+ 3, /* mulsi */
+ 2, /* mulsi_const */
+ 2, /* mulsi_const9 */
+ 3, /* muldi */
+ 34, /* divsi */
+ 34, /* divdi */
+};
+
+/* Instruction costs on PPC601 processors. */
+static const
+struct processor_costs ppc601_cost = {
+ 5, /* mulsi */
+ 5, /* mulsi_const */
+ 5, /* mulsi_const9 */
+ 5, /* muldi */
+ 36, /* divsi */
+ 36, /* divdi */
+};
+
+/* Instruction costs on PPC603 processors. */
+static const
+struct processor_costs ppc603_cost = {
+ 5, /* mulsi */
+ 3, /* mulsi_const */
+ 2, /* mulsi_const9 */
+ 5, /* muldi */
+ 37, /* divsi */
+ 37, /* divdi */
+};
+
+/* Instruction costs on PPC604 processors. */
+static const
+struct processor_costs ppc604_cost = {
+ 4, /* mulsi */
+ 4, /* mulsi_const */
+ 4, /* mulsi_const9 */
+ 4, /* muldi */
+ 20, /* divsi */
+ 20, /* divdi */
+};
+
+/* Instruction costs on PPC604e processors. */
+static const
+struct processor_costs ppc604e_cost = {
+ 2, /* mulsi */
+ 2, /* mulsi_const */
+ 2, /* mulsi_const9 */
+ 2, /* muldi */
+ 20, /* divsi */
+ 20, /* divdi */
+};
+
+/* Instruction costs on PPC620 and PPC630 processors. */
+static const
+struct processor_costs ppc620_cost = {
+ 5, /* mulsi */
+ 4, /* mulsi_const */
+ 3, /* mulsi_const9 */
+ 7, /* muldi */
+ 21, /* divsi */
+ 37, /* divdi */
+};
+
+/* Instruction costs on PPC750 and PPC7400 processors. */
+static const
+struct processor_costs ppc750_cost = {
+ 5, /* mulsi */
+ 3, /* mulsi_const */
+ 2, /* mulsi_const9 */
+ 5, /* muldi */
+ 17, /* divsi */
+ 17, /* divdi */
+};
+
+/* Instruction costs on PPC7450 processors. */
+static const
+struct processor_costs ppc7450_cost = {
+ 4, /* mulsi */
+ 3, /* mulsi_const */
+ 3, /* mulsi_const9 */
+ 4, /* muldi */
+ 23, /* divsi */
+ 23, /* divdi */
+};
+/* Instruction costs on PPC8540 processors. */
+static const
+struct processor_costs ppc8540_cost = {
+ 4, /* mulsi */
+ 4, /* mulsi_const */
+ 4, /* mulsi_const9 */
+ 4, /* muldi */
+ 19, /* divsi */
+ 19, /* divdi */
+};
+
+/* Instruction costs on POWER4 and POWER5 processors. */
+static const
+struct processor_costs power4_cost = {
+ 3, /* mulsi */
+ 2, /* mulsi_const */
+ 2, /* mulsi_const9 */
+ 4, /* muldi */
+ 18, /* divsi */
+ 34, /* divdi */
+};
+
+\f
static bool rs6000_function_ok_for_sibcall (tree, tree);
static int num_insns_constant_wide (HOST_WIDE_INT);
static void validate_condition_mode (enum rtx_code, enum machine_mode);
Linux and Darwin ABIs at the moment. For now, only AIX is fixed. */
if (DEFAULT_ABI != ABI_AIX)
targetm.calls.split_complex_arg = NULL;
+
+ /* Initialize rs6000_cost with the appropriate target costs. */
+ if (optimize_size)
+ rs6000_cost = TARGET_POWERPC64 ? &size64_cost : &size32_cost;
+ else
+ switch (rs6000_cpu)
+ {
+ case PROCESSOR_RIOS1:
+ rs6000_cost = &rios1_cost;
+ break;
+
+ case PROCESSOR_RIOS2:
+ rs6000_cost = &rios2_cost;
+ break;
+
+ case PROCESSOR_RS64A:
+ rs6000_cost = &rs64a_cost;
+ break;
+
+ case PROCESSOR_MPCCORE:
+ rs6000_cost = &mpccore_cost;
+ break;
+
+ case PROCESSOR_PPC403:
+ rs6000_cost = &ppc403_cost;
+ break;
+
+ case PROCESSOR_PPC405:
+ rs6000_cost = &ppc405_cost;
+ break;
+
+ case PROCESSOR_PPC440:
+ rs6000_cost = &ppc440_cost;
+ break;
+
+ case PROCESSOR_PPC601:
+ rs6000_cost = &ppc601_cost;
+ break;
+
+ case PROCESSOR_PPC603:
+ rs6000_cost = &ppc603_cost;
+ break;
+
+ case PROCESSOR_PPC604:
+ rs6000_cost = &ppc604_cost;
+ break;
+
+ case PROCESSOR_PPC604e:
+ rs6000_cost = &ppc604e_cost;
+ break;
+
+ case PROCESSOR_PPC620:
+ case PROCESSOR_PPC630:
+ rs6000_cost = &ppc620_cost;
+ break;
+
+ case PROCESSOR_PPC750:
+ case PROCESSOR_PPC7400:
+ rs6000_cost = &ppc750_cost;
+ break;
+
+ case PROCESSOR_PPC7450:
+ rs6000_cost = &ppc7450_cost;
+ break;
+
+ case PROCESSOR_PPC8540:
+ rs6000_cost = &ppc8540_cost;
+ break;
+
+ case PROCESSOR_POWER4:
+ case PROCESSOR_POWER5:
+ rs6000_cost = &power4_cost;
+ break;
+
+ default:
+ abort ();
+ }
}
/* Handle generic options of the form -mfoo=yes/no.
return true;
case MULT:
- if (optimize_size)
- {
- *total = COSTS_N_INSNS (2);
- return true;
- }
- switch (rs6000_cpu)
+ if (GET_CODE (XEXP (x, 1)) == CONST_INT)
{
- case PROCESSOR_RIOS1:
- case PROCESSOR_PPC405:
- *total = (GET_CODE (XEXP (x, 1)) != CONST_INT
- ? COSTS_N_INSNS (5)
- : (INTVAL (XEXP (x, 1)) >= -256
- && INTVAL (XEXP (x, 1)) <= 255)
- ? COSTS_N_INSNS (3) : COSTS_N_INSNS (4));
- return true;
-
- case PROCESSOR_PPC440:
- *total = (GET_CODE (XEXP (x, 1)) != CONST_INT
- ? COSTS_N_INSNS (3)
- : COSTS_N_INSNS (2));
- return true;
-
- case PROCESSOR_RS64A:
- *total = (GET_CODE (XEXP (x, 1)) != CONST_INT
- ? GET_MODE (XEXP (x, 1)) != DImode
- ? COSTS_N_INSNS (20) : COSTS_N_INSNS (34)
- : (INTVAL (XEXP (x, 1)) >= -256
- && INTVAL (XEXP (x, 1)) <= 255)
- ? COSTS_N_INSNS (8) : COSTS_N_INSNS (12));
- return true;
-
- case PROCESSOR_RIOS2:
- case PROCESSOR_MPCCORE:
- case PROCESSOR_PPC604e:
- *total = COSTS_N_INSNS (2);
- return true;
-
- case PROCESSOR_PPC601:
- *total = COSTS_N_INSNS (5);
- return true;
-
- case PROCESSOR_PPC603:
- case PROCESSOR_PPC7400:
- case PROCESSOR_PPC750:
- *total = (GET_CODE (XEXP (x, 1)) != CONST_INT
- ? COSTS_N_INSNS (5)
- : (INTVAL (XEXP (x, 1)) >= -256
- && INTVAL (XEXP (x, 1)) <= 255)
- ? COSTS_N_INSNS (2) : COSTS_N_INSNS (3));
- return true;
-
- case PROCESSOR_PPC7450:
- *total = (GET_CODE (XEXP (x, 1)) != CONST_INT
- ? COSTS_N_INSNS (4)
- : COSTS_N_INSNS (3));
- return true;
-
- case PROCESSOR_PPC403:
- case PROCESSOR_PPC604:
- case PROCESSOR_PPC8540:
- *total = COSTS_N_INSNS (4);
- return true;
-
- case PROCESSOR_PPC620:
- case PROCESSOR_PPC630:
- *total = (GET_CODE (XEXP (x, 1)) != CONST_INT
- ? GET_MODE (XEXP (x, 1)) != DImode
- ? COSTS_N_INSNS (5) : COSTS_N_INSNS (7)
- : (INTVAL (XEXP (x, 1)) >= -256
- && INTVAL (XEXP (x, 1)) <= 255)
- ? COSTS_N_INSNS (3) : COSTS_N_INSNS (4));
- return true;
-
- case PROCESSOR_POWER4:
- case PROCESSOR_POWER5:
- *total = (GET_CODE (XEXP (x, 1)) != CONST_INT
- ? GET_MODE (XEXP (x, 1)) != DImode
- ? COSTS_N_INSNS (3) : COSTS_N_INSNS (4)
- : COSTS_N_INSNS (2));
- return true;
-
- default:
- abort ();
+ if (INTVAL (XEXP (x, 1)) >= -256
+ && INTVAL (XEXP (x, 1)) <= 255)
+ *total = COSTS_N_INSNS (rs6000_cost->mulsi_const9);
+ else
+ *total = COSTS_N_INSNS (rs6000_cost->mulsi_const);
}
+ else if (GET_MODE (XEXP (x, 1)) == DImode)
+ *total = COSTS_N_INSNS (rs6000_cost->muldi);
+ else
+ *total = COSTS_N_INSNS (rs6000_cost->mulsi);
+ return true;
case DIV:
case MOD:
case UDIV:
case UMOD:
- switch (rs6000_cpu)
- {
- case PROCESSOR_RIOS1:
- *total = COSTS_N_INSNS (19);
- return true;
-
- case PROCESSOR_RIOS2:
- *total = COSTS_N_INSNS (13);
- return true;
-
- case PROCESSOR_RS64A:
- *total = (GET_MODE (XEXP (x, 1)) != DImode
- ? COSTS_N_INSNS (65)
- : COSTS_N_INSNS (67));
- return true;
-
- case PROCESSOR_MPCCORE:
- *total = COSTS_N_INSNS (6);
- return true;
-
- case PROCESSOR_PPC403:
- *total = COSTS_N_INSNS (33);
- return true;
-
- case PROCESSOR_PPC405:
- *total = COSTS_N_INSNS (35);
- return true;
-
- case PROCESSOR_PPC440:
- *total = COSTS_N_INSNS (34);
- return true;
-
- case PROCESSOR_PPC601:
- *total = COSTS_N_INSNS (36);
- return true;
-
- case PROCESSOR_PPC603:
- *total = COSTS_N_INSNS (37);
- return true;
-
- case PROCESSOR_PPC604:
- case PROCESSOR_PPC604e:
- *total = COSTS_N_INSNS (20);
- return true;
-
- case PROCESSOR_PPC620:
- case PROCESSOR_PPC630:
- *total = (GET_MODE (XEXP (x, 1)) != DImode
- ? COSTS_N_INSNS (21)
- : COSTS_N_INSNS (37));
- return true;
-
- case PROCESSOR_PPC750:
- case PROCESSOR_PPC8540:
- case PROCESSOR_PPC7400:
- *total = COSTS_N_INSNS (19);
- return true;
-
- case PROCESSOR_PPC7450:
- *total = COSTS_N_INSNS (23);
- return true;
-
- case PROCESSOR_POWER4:
- case PROCESSOR_POWER5:
- *total = (GET_MODE (XEXP (x, 1)) != DImode
- ? COSTS_N_INSNS (18)
- : COSTS_N_INSNS (34));
- return true;
-
- default:
- abort ();
- }
+ if (GET_MODE (XEXP (x, 1)) == DImode)
+ *total = COSTS_N_INSNS (rs6000_cost->divdi);
+ else
+ *total = COSTS_N_INSNS (rs6000_cost->divsi);
+ return true;
case FFS:
*total = COSTS_N_INSNS (4);
projects / platform / upstream / gcc.git / commitdiff