/* Target hook definitions.
Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010,
- 2011
+ 2011, 2012
Free Software Foundation, Inc.
This program is free software; you can redistribute it and/or modify it
the string if a different section name should be used.",
const char *, ".rodata")
+/* Return the section to be used for transactional memory clone tables. */
+DEFHOOK
+(tm_clone_table_section,
+ "Return the section that should be used for transactional memory clone\
+ tables.",
+ section *, (void), default_clone_table_section)
+
/* Output a constructor for a symbol with a given priority. */
DEFHOOK
(constructor,
(output_addr_const_extra,
"",
bool, (FILE *file, rtx x),
- default_asm_output_addr_const_extra)
+ hook_bool_FILEptr_rtx_false)
/* ??? The TARGET_PRINT_OPERAND* hooks are part of the asm_out struct,
even though that is not reflected in the macro name to override their
also the latencies of operations.",
bool, false)
+/* The following member value is a function that returns number
+ of operations reassociator should try to put in parallel for
+ statements of the given type. By default 1 is used. */
+DEFHOOK
+(reassociation_width,
+"This hook is called by tree reassociator to determine a level of\n\
+parallelism required in output calculations chain.",
+int, (unsigned int opc, enum machine_mode mode),
+hook_int_uint_mode_1)
+
HOOK_VECTOR_END (sched)
/* Functions relating to vectorization. */
bool, (const_tree type, bool is_packed),
default_builtin_vector_alignment_reachable)
-/* Target builtin that implements vector permute. */
+/* Return true if a vector created for vec_perm_const is valid.
+ A NULL indicates that all constants are valid permutations. */
DEFHOOK
-(builtin_vec_perm,
+(vec_perm_const_ok,
"",
- tree, (tree type, tree *mask_element_type), NULL)
-
-/* Return true if a vector created for builtin_vec_perm is valid. */
-DEFHOOK
-(builtin_vec_perm_ok,
- "",
- bool, (tree vec_type, tree mask),
- hook_bool_tree_tree_true)
+ bool, (enum machine_mode, const unsigned char *sel),
+ NULL)
/* Return true if the target supports misaligned store/load of a
specific factor denoted in the third parameter. The last parameter
(enum machine_mode mode, const_tree type, int misalignment, bool is_packed),
default_builtin_support_vector_misalignment)
+/* Return the builtin decl needed to load a vector of TYPE. */
+DEFHOOK
+(builtin_tm_load,
+ "This hook should return the built-in decl needed to load a vector of the "
+ "given type within a transaction.",
+ tree,
+ (tree),
+ default_builtin_tm_load_store)
+
+/* Return the builtin decl needed to store a vector of TYPE. */
+DEFHOOK
+(builtin_tm_store,
+ "This hook should return the built-in decl needed to store a vector of the "
+ "given type within a transaction.",
+ tree,
+ (tree),
+ default_builtin_tm_load_store)
+
/* Returns the preferred mode for SIMD operations for the specified
scalar mode. */
DEFHOOK
(void),
default_autovectorize_vector_sizes)
+/* Target builtin that implements vector gather operation. */
+DEFHOOK
+(builtin_gather,
+ "",
+ tree,
+ (const_tree mem_vectype, const_tree index_type, int scale),
+ NULL)
+
HOOK_VECTOR_END (vectorize)
#undef HOOK_PREFIX
rtx, (rtx x),
delegitimize_mem_from_attrs)
+/* Given an RTX, return true if it is not ok to emit it into debug info
+ section. */
+DEFHOOK
+(const_not_ok_for_debug_p,
+ "",
+ bool, (rtx x),
+ hook_bool_rtx_false)
+
/* Given an address RTX, say whether it is valid. */
DEFHOOK
(legitimate_address_p,
DEFHOOK
(subset_p,
"",
- bool, (addr_space_t superset, addr_space_t subset),
+ bool, (addr_space_t subset, addr_space_t superset),
default_addr_space_subset_p)
/* Function to convert an rtl expression from one address space to another. */
const char *, (const void *data, size_t sz),
default_pch_valid_p)
+DEFHOOK
+(prepare_pch_save,
+ "Called before writing out a PCH file. If the target has some\n\
+garbage-collected data that needs to be in a particular state on PCH loads,\n\
+it can use this hook to enforce that state. Very few targets need\n\
+to do anything here.",
+ void, (void),
+ hook_void_void)
+
/* If nonnull, this function checks whether a PCH file with the
given set of target flags can be used. It returns NULL if so,
otherwise it returns an error message. */
void, (tree type),
hook_void_tree)
+DEFHOOK
+(decl_mangling_context,
+ "Return target-specific mangling context of @var{decl} or @code{NULL_TREE}.",
+ tree, (const_tree decl),
+ hook_tree_const_tree_null)
+
HOOK_VECTOR_END (cxx)
/* Functions and data for emulated TLS support. */
void, (bitmap regs),
hook_void_bitmap)
+/* Fill in additional registers set up by prologue into a regset. */
+DEFHOOK
+(set_up_by_prologue,
+ "This hook should add additional registers that are computed by the prologue\
+ to the hard regset for shrink-wrapping optimization purposes.",
+ void, (struct hard_reg_set_container *),
+ NULL)
+
/* Determine the type of unwind info to emit for debugging. */
DEFHOOK
(debug_unwind_info,
enum unwind_info_type, (void),
default_debug_unwind_info)
+DEFHOOKPOD
+(atomic_test_and_set_trueval,
+ "This value should be set if the result written by\
+ @code{atomic_test_and_set} is not exactly 1, i.e. the\
+ @code{bool} @code{true}.",
+ unsigned char, 1)
+
/* Leave the boolean fields at the end. */
/* True if we can create zeroed data by switching to a BSS section
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