+2015-01-15 Philipp Tomsich <philipp.tomsich@theobroma-systems.com>
+
+ * config/aarch64/aarch64-cores.def (xgene1): Update/add the
+ xgene1 (APM XGene-1) core definition.
+ * gcc/config/aarch64/aarch64.c: Add cost tables for APM XGene-1
+ * config/arm/aarch-cost-tables.h: Add cost tables for APM XGene-1
+ * doc/invoke.texi: Document -mcpu=xgene1.
+
2015-10-15 Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org>
* dojump.h: New header file.
AARCH64_CORE("cortex-a53", cortexa53, cortexa53, 8, AARCH64_FL_FOR_ARCH8 | AARCH64_FL_CRC, cortexa53)
AARCH64_CORE("cortex-a57", cortexa15, cortexa15, 8, AARCH64_FL_FOR_ARCH8 | AARCH64_FL_CRC, cortexa57)
AARCH64_CORE("thunderx", thunderx, thunderx, 8, AARCH64_FL_FOR_ARCH8 | AARCH64_FL_CRC | AARCH64_FL_CRYPTO, thunderx)
+AARCH64_CORE("xgene1", xgene1, xgene1, 8, AARCH64_FL_FOR_ARCH8, xgene1)
/* V8 big.LITTLE implementations. */
;; -*- buffer-read-only: t -*-
;; Generated automatically by gentune.sh from aarch64-cores.def
(define_attr "tune"
- "cortexa53,cortexa15,thunderx,cortexa57cortexa53"
+ "cortexa53,cortexa15,thunderx,xgene1,cortexa57cortexa53"
(const (symbol_ref "((enum attr_tune) aarch64_tune)")))
NAMED_PARAM (imm_offset, 0),
};
+#if HAVE_DESIGNATED_INITIALIZERS && GCC_VERSION >= 2007
+__extension__
+#endif
+static const struct cpu_addrcost_table xgene1_addrcost_table =
+{
+#if HAVE_DESIGNATED_INITIALIZERS
+ .addr_scale_costs =
+#endif
+ {
+ NAMED_PARAM (hi, 1),
+ NAMED_PARAM (si, 0),
+ NAMED_PARAM (di, 0),
+ NAMED_PARAM (ti, 1),
+ },
+ NAMED_PARAM (pre_modify, 1),
+ NAMED_PARAM (post_modify, 0),
+ NAMED_PARAM (register_offset, 0),
+ NAMED_PARAM (register_extend, 1),
+ NAMED_PARAM (imm_offset, 0),
+};
+
#if HAVE_DESIGNATED_INITIALIZERS && GCC_VERSION >= 2007
__extension__
#endif
NAMED_PARAM (FP2FP, 4)
};
+static const struct cpu_regmove_cost xgene1_regmove_cost =
+{
+ NAMED_PARAM (GP2GP, 1),
+ /* Avoid the use of slow int<->fp moves for spilling by setting
+ their cost higher than memmov_cost. */
+ NAMED_PARAM (GP2FP, 8),
+ NAMED_PARAM (FP2GP, 8),
+ NAMED_PARAM (FP2FP, 2)
+};
+
/* Generic costs for vector insn classes. */
#if HAVE_DESIGNATED_INITIALIZERS && GCC_VERSION >= 2007
__extension__
NAMED_PARAM (cond_not_taken_branch_cost, 1)
};
+/* Generic costs for vector insn classes. */
+#if HAVE_DESIGNATED_INITIALIZERS && GCC_VERSION >= 2007
+__extension__
+#endif
+static const struct cpu_vector_cost xgene1_vector_cost =
+{
+ NAMED_PARAM (scalar_stmt_cost, 1),
+ NAMED_PARAM (scalar_load_cost, 5),
+ NAMED_PARAM (scalar_store_cost, 1),
+ NAMED_PARAM (vec_stmt_cost, 2),
+ NAMED_PARAM (vec_to_scalar_cost, 4),
+ NAMED_PARAM (scalar_to_vec_cost, 4),
+ NAMED_PARAM (vec_align_load_cost, 10),
+ NAMED_PARAM (vec_unalign_load_cost, 10),
+ NAMED_PARAM (vec_unalign_store_cost, 2),
+ NAMED_PARAM (vec_store_cost, 2),
+ NAMED_PARAM (cond_taken_branch_cost, 2),
+ NAMED_PARAM (cond_not_taken_branch_cost, 1)
+};
+
#define AARCH64_FUSE_NOTHING (0)
#define AARCH64_FUSE_MOV_MOVK (1 << 0)
#define AARCH64_FUSE_ADRP_ADD (1 << 1)
1 /* vec_reassoc_width. */
};
+static const struct tune_params xgene1_tunings =
+{
+ &xgene1_extra_costs,
+ &xgene1_addrcost_table,
+ &xgene1_regmove_cost,
+ &xgene1_vector_cost,
+ NAMED_PARAM (memmov_cost, 6),
+ NAMED_PARAM (issue_rate, 4),
+ NAMED_PARAM (fuseable_ops, AARCH64_FUSE_NOTHING),
+ 16, /* function_align. */
+ 8, /* jump_align. */
+ 16, /* loop_align. */
+ 2, /* int_reassoc_width. */
+ 4, /* fp_reassoc_width. */
+ 1 /* vec_reassoc_width. */
+};
+
/* A processor implementing AArch64. */
struct processor
{
}
};
+const struct cpu_cost_table xgene1_extra_costs =
+{
+ /* ALU */
+ {
+ 0, /* arith. */
+ 0, /* logical. */
+ 0, /* shift. */
+ COSTS_N_INSNS (1), /* shift_reg. */
+ COSTS_N_INSNS (1), /* arith_shift. */
+ COSTS_N_INSNS (1), /* arith_shift_reg. */
+ COSTS_N_INSNS (1), /* log_shift. */
+ COSTS_N_INSNS (1), /* log_shift_reg. */
+ COSTS_N_INSNS (1), /* extend. */
+ 0, /* extend_arithm. */
+ COSTS_N_INSNS (1), /* bfi. */
+ COSTS_N_INSNS (1), /* bfx. */
+ 0, /* clz. */
+ COSTS_N_INSNS (1), /* rev. */
+ 0, /* non_exec. */
+ true /* non_exec_costs_exec. */
+ },
+ {
+ /* MULT SImode */
+ {
+ COSTS_N_INSNS (4), /* simple. */
+ COSTS_N_INSNS (4), /* flag_setting. */
+ COSTS_N_INSNS (4), /* extend. */
+ COSTS_N_INSNS (4), /* add. */
+ COSTS_N_INSNS (4), /* extend_add. */
+ COSTS_N_INSNS (20) /* idiv. */
+ },
+ /* MULT DImode */
+ {
+ COSTS_N_INSNS (5), /* simple. */
+ 0, /* flag_setting (N/A). */
+ COSTS_N_INSNS (5), /* extend. */
+ COSTS_N_INSNS (5), /* add. */
+ COSTS_N_INSNS (5), /* extend_add. */
+ COSTS_N_INSNS (21) /* idiv. */
+ }
+ },
+ /* LD/ST */
+ {
+ COSTS_N_INSNS (5), /* load. */
+ COSTS_N_INSNS (6), /* load_sign_extend. */
+ COSTS_N_INSNS (5), /* ldrd. */
+ COSTS_N_INSNS (5), /* ldm_1st. */
+ 1, /* ldm_regs_per_insn_1st. */
+ 1, /* ldm_regs_per_insn_subsequent. */
+ COSTS_N_INSNS (10), /* loadf. */
+ COSTS_N_INSNS (10), /* loadd. */
+ COSTS_N_INSNS (5), /* load_unaligned. */
+ 0, /* store. */
+ 0, /* strd. */
+ 0, /* stm_1st. */
+ 1, /* stm_regs_per_insn_1st. */
+ 1, /* stm_regs_per_insn_subsequent. */
+ 0, /* storef. */
+ 0, /* stored. */
+ 0, /* store_unaligned. */
+ },
+ {
+ /* FP SFmode */
+ {
+ COSTS_N_INSNS (23), /* div. */
+ COSTS_N_INSNS (5), /* mult. */
+ COSTS_N_INSNS (5), /* mult_addsub. */
+ COSTS_N_INSNS (5), /* fma. */
+ COSTS_N_INSNS (5), /* addsub. */
+ COSTS_N_INSNS (2), /* fpconst. */
+ COSTS_N_INSNS (3), /* neg. */
+ COSTS_N_INSNS (2), /* compare. */
+ COSTS_N_INSNS (6), /* widen. */
+ COSTS_N_INSNS (6), /* narrow. */
+ COSTS_N_INSNS (4), /* toint. */
+ COSTS_N_INSNS (4), /* fromint. */
+ COSTS_N_INSNS (4) /* roundint. */
+ },
+ /* FP DFmode */
+ {
+ COSTS_N_INSNS (29), /* div. */
+ COSTS_N_INSNS (5), /* mult. */
+ COSTS_N_INSNS (5), /* mult_addsub. */
+ COSTS_N_INSNS (5), /* fma. */
+ COSTS_N_INSNS (5), /* addsub. */
+ COSTS_N_INSNS (3), /* fpconst. */
+ COSTS_N_INSNS (3), /* neg. */
+ COSTS_N_INSNS (2), /* compare. */
+ COSTS_N_INSNS (6), /* widen. */
+ COSTS_N_INSNS (6), /* narrow. */
+ COSTS_N_INSNS (4), /* toint. */
+ COSTS_N_INSNS (4), /* fromint. */
+ COSTS_N_INSNS (4) /* roundint. */
+ }
+ },
+ /* Vector */
+ {
+ COSTS_N_INSNS (2) /* alu. */
+ }
+};
+
#endif /* GCC_AARCH_COST_TABLES_H */
@opindex mtune
Specify the name of the target processor for which GCC should tune the
performance of the code. Permissible values for this option are:
-@samp{generic}, @samp{cortex-a53}, @samp{cortex-a57}, @samp{thunderx}.
+@samp{generic}, @samp{cortex-a53}, @samp{cortex-a57}, @samp{thunderx},
+@samp{xgene1}.
Additionally, this option can specify that GCC should tune the performance
of the code for a big.LITTLE system. The only permissible value is
projects / gcc.git / commitdiff