#include "tree.h"
#include "expr.h"
#include "output.h"
+#include "diagnostic-core.h"
#include "toplev.h"
#include "function.h"
#include "target.h"
#include "target-def.h"
#include "ggc.h"
#include "hard-reg-set.h"
+#include "regs.h"
#include "reload.h"
#include "optabs.h"
#include "recog.h"
return named;
}
-/* Emit any directives required to unwind this instruction. */
-
-void
-default_unwind_emit (FILE * stream ATTRIBUTE_UNUSED,
- rtx insn ATTRIBUTE_UNUSED)
-{
- /* Should never happen. */
- gcc_unreachable ();
-}
-
/* Emit to STREAM the assembler syntax for insn operand X. */
void
#endif
}
+/* The default implementation of TARGET_ASM_OUTPUT_ADDR_CONST_EXTRA. */
+
+bool
+default_asm_output_addr_const_extra (FILE *file ATTRIBUTE_UNUSED,
+ rtx x ATTRIBUTE_UNUSED)
+{
+#ifdef OUTPUT_ADDR_CONST_EXTRA
+ OUTPUT_ADDR_CONST_EXTRA (file, x, fail);
+ return true;
+
+fail:
+#endif
+ return false;
+}
+
/* True if MODE is valid for the target. By "valid", we mean able to
be manipulated in non-trivial ways. In particular, this means all
the arithmetic is supported.
}
}
+/* Make some target macros useable by target-independent code. */
+bool
+targhook_words_big_endian (void)
+{
+ return !!WORDS_BIG_ENDIAN;
+}
+
+bool
+targhook_float_words_big_endian (void)
+{
+ return !!FLOAT_WORDS_BIG_ENDIAN;
+}
+
/* True if the target supports decimal floating point. */
bool
/* Default vectorizer cost model values. */
int
-default_builtin_vectorization_cost (enum vect_cost_for_stmt type_of_cost)
+default_builtin_vectorization_cost (enum vect_cost_for_stmt type_of_cost,
+ tree vectype ATTRIBUTE_UNUSED,
+ int misalign ATTRIBUTE_UNUSED)
{
switch (type_of_cost)
{
return 1;
case unaligned_load:
+ case unaligned_store:
return 2;
case cond_branch_taken:
}
rtx
-default_function_arg (const CUMULATIVE_ARGS *ca ATTRIBUTE_UNUSED,
+default_function_arg (CUMULATIVE_ARGS *ca ATTRIBUTE_UNUSED,
enum machine_mode mode ATTRIBUTE_UNUSED,
const_tree type ATTRIBUTE_UNUSED,
bool named ATTRIBUTE_UNUSED)
{
#ifdef FUNCTION_ARG
- return FUNCTION_ARG (*(CONST_CAST (CUMULATIVE_ARGS *, ca)), mode,
- CONST_CAST_TREE (type), named);
+ return FUNCTION_ARG (*ca, mode, CONST_CAST_TREE (type), named);
#else
gcc_unreachable ();
#endif
}
rtx
-default_function_incoming_arg (const CUMULATIVE_ARGS *ca ATTRIBUTE_UNUSED,
+default_function_incoming_arg (CUMULATIVE_ARGS *ca ATTRIBUTE_UNUSED,
enum machine_mode mode ATTRIBUTE_UNUSED,
const_tree type ATTRIBUTE_UNUSED,
bool named ATTRIBUTE_UNUSED)
{
#ifdef FUNCTION_INCOMING_ARG
- return FUNCTION_INCOMING_ARG (*(CONST_CAST (CUMULATIVE_ARGS *, ca)), mode,
- CONST_CAST_TREE (type), named);
+ return FUNCTION_INCOMING_ARG (*ca, mode, CONST_CAST_TREE (type), named);
#else
gcc_unreachable ();
#endif
#endif
if (rclass != NO_REGS)
{
- enum insn_code icode = (in_p ? reload_in_optab[(int) reload_mode]
- : reload_out_optab[(int) reload_mode]);
+ enum insn_code icode
+ = direct_optab_handler (in_p ? reload_in_optab : reload_out_optab,
+ reload_mode);
if (icode != CODE_FOR_nothing
&& insn_data[(int) icode].operand[in_p].predicate
return rclass;
}
-void
-default_target_option_override (void)
-{
-#ifdef OVERRIDE_OPTIONS
- OVERRIDE_OPTIONS;
-#endif
-}
-
bool
default_handle_c_option (size_t code ATTRIBUTE_UNUSED,
const char *arg ATTRIBUTE_UNUSED,
bool is_packed
ATTRIBUTE_UNUSED)
{
- if (optab_handler (movmisalign_optab, mode)->insn_code != CODE_FOR_nothing)
+ if (optab_handler (movmisalign_optab, mode) != CODE_FOR_nothing)
return true;
return false;
}
+/* By default, only attempt to parallelize bitwise operations, and
+ possibly adds/subtracts using bit-twiddling. */
+
+enum machine_mode
+default_preferred_simd_mode (enum machine_mode mode ATTRIBUTE_UNUSED)
+{
+ return word_mode;
+}
+
+/* By default only the size derived from the preferred vector mode
+ is tried. */
+
+unsigned int
+default_autovectorize_vector_sizes (void)
+{
+ return 0;
+}
+
/* Determine whether or not a pointer mode is valid. Assume defaults
of ptr_mode or Pmode - can be overridden. */
bool
#endif
}
+bool
+default_profile_before_prologue (void)
+{
+#ifdef PROFILE_BEFORE_PROLOGUE
+ return true;
+#else
+ return false;
+#endif
+}
+
+/* The default implementation of TARGET_PREFERRED_RELOAD_CLASS. */
+
+reg_class_t
+default_preferred_reload_class (rtx x ATTRIBUTE_UNUSED,
+ reg_class_t rclass)
+{
+#ifdef PREFERRED_RELOAD_CLASS
+ return (reg_class_t) PREFERRED_RELOAD_CLASS (x, (enum reg_class) rclass);
+#else
+ return rclass;
+#endif
+}
+
+/* The default implementation of TARGET_OUTPUT_PREFERRED_RELOAD_CLASS. */
+
+reg_class_t
+default_preferred_output_reload_class (rtx x ATTRIBUTE_UNUSED,
+ reg_class_t rclass)
+{
+#ifdef PREFERRED_OUTPUT_RELOAD_CLASS
+ return PREFERRED_OUTPUT_RELOAD_CLASS (x, (enum reg_class) rclass);
+#else
+ return rclass;
+#endif
+}
+
+/* The default implementation of TARGET_CLASS_LIKELY_SPILLED_P. */
+
+bool
+default_class_likely_spilled_p (reg_class_t rclass)
+{
+ return (reg_class_size[(int) rclass] == 1);
+}
+
+/* Determine the debugging unwind mechanism for the target. */
+
+enum unwind_info_type
+default_debug_unwind_info (void)
+{
+ /* If the target wants to force the use of dwarf2 unwind info, let it. */
+ /* ??? Change all users to the hook, then poison this. */
+#ifdef DWARF2_FRAME_INFO
+ if (DWARF2_FRAME_INFO)
+ return UI_DWARF2;
+#endif
+
+ /* Otherwise, only turn it on if dwarf2 debugging is enabled. */
+#ifdef DWARF2_DEBUGGING_INFO
+ if (write_symbols == DWARF2_DEBUG || write_symbols == VMS_AND_DWARF2_DEBUG)
+ return UI_DWARF2;
+#endif
+
+ return UI_NONE;
+}
+
+/* Determine the exception handling mechanism for the target. */
+
+enum unwind_info_type
+default_except_unwind_info (void)
+{
+ /* ??? Change the one user to the hook, then poison this. */
+#ifdef MUST_USE_SJLJ_EXCEPTIONS
+ if (MUST_USE_SJLJ_EXCEPTIONS)
+ return UI_SJLJ;
+#endif
+
+ /* Obey the configure switch to turn on sjlj exceptions. */
+#ifdef CONFIG_SJLJ_EXCEPTIONS
+ if (CONFIG_SJLJ_EXCEPTIONS)
+ return UI_SJLJ;
+#endif
+
+ /* ??? Change all users to the hook, then poison this. */
+#ifdef DWARF2_UNWIND_INFO
+ if (DWARF2_UNWIND_INFO)
+ return UI_DWARF2;
+#endif
+
+ return UI_SJLJ;
+}
+
+/* To be used by targets that force dwarf2 unwind enabled. */
+
+enum unwind_info_type
+dwarf2_except_unwind_info (void)
+{
+ /* Obey the configure switch to turn on sjlj exceptions. */
+#ifdef CONFIG_SJLJ_EXCEPTIONS
+ if (CONFIG_SJLJ_EXCEPTIONS)
+ return UI_SJLJ;
+#endif
+
+ return UI_DWARF2;
+}
+
+/* To be used by targets that force sjlj unwind enabled. */
+
+enum unwind_info_type
+sjlj_except_unwind_info (void)
+{
+ return UI_SJLJ;
+}
+
+/* To be used by targets where reg_raw_mode doesn't return the right
+ mode for registers used in apply_builtin_return and apply_builtin_arg. */
+
+enum machine_mode
+default_get_reg_raw_mode(int regno)
+{
+ return reg_raw_mode[regno];
+}
+
+const struct default_options empty_optimization_table[] =
+ {
+ { OPT_LEVELS_NONE, 0, NULL, 0 }
+ };
+
#include "gt-targhooks.h"
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