pr78515.c: Add -fno-common option on hppa*-*-hpux*.

[platform/upstream/gcc.git] / gcc / target.def

diff --git a/gcc/target.def b/gcc/target.def
index 3d5c179..7308da1 100644 (file)
--- a/gcc/target.def
+++ b/gcc/target.def
@@ -1,5 +1,5 @@
 /* Target hook definitions.
-   Copyright (C) 2001-2016 Free Software Foundation, Inc.
+   Copyright (C) 2001-2017 Free Software Foundation, Inc.
 
    This program is free software; you can redistribute it and/or modify it
    under the terms of the GNU General Public License as published by the
@@ -1648,6 +1648,18 @@ int, (struct cgraph_node *), NULL)
 
 HOOK_VECTOR_END (simd_clone)
 
+/* Functions relating to OpenMP SIMT vectorization transform.  */
+#undef HOOK_PREFIX
+#define HOOK_PREFIX "TARGET_SIMT_"
+HOOK_VECTOR (TARGET_SIMT, simt)
+
+DEFHOOK
+(vf,
+"Return number of threads in SIMT thread group on the target.",
+int, (void), NULL)
+
+HOOK_VECTOR_END (simt)
+
 /* Functions relating to openacc.  */
 #undef HOOK_PREFIX
 #define HOOK_PREFIX "TARGET_GOACC_"
@@ -1789,10 +1801,10 @@ misalignment value (@var{misalign}).",
  default_builtin_vectorization_cost)
 
 /* Return true if vector alignment is reachable (by peeling N
-   iterations) for the given type.  */
+   iterations) for the given scalar type.  */
 DEFHOOK
 (vector_alignment_reachable,
- "Return true if vector alignment is reachable (by peeling N iterations) for the given type.",
+ "Return true if vector alignment is reachable (by peeling N iterations) for the given scalar type @var{type}.  @var{is_packed} is false if the scalar access using @var{type} is known to be naturally aligned.",
  bool, (const_tree type, bool is_packed),
  default_builtin_vector_alignment_reachable)
 
@@ -3369,12 +3381,6 @@ greater than 128 and a multiple of 32.",
  machine_mode, (int n, bool extended),
  default_floatn_mode)
 
-DEFHOOK
-(printf_pointer_format,
- "Determine the target @code{printf} implementation format string that the most closely corresponds to the @code{%p} format directive.  The object pointed to by the @var{flags} is set to a string consisting of recognized format flags such as the @code{'#'} character.",
- const char*, (tree, const char **flags),
- default_printf_pointer_format)
-
 /* Compute cost of moving data from a register of class FROM to one of
    TO, using MODE.  */
 DEFHOOK
@@ -4027,6 +4033,15 @@ normally defined in @file{libgcc2.c}.",
  tree, (void),
  default_external_stack_protect_fail)
 
+/* This target hook allows the operating system to disable the default stack
+   protector runtime support.  */
+DEFHOOK
+(stack_protect_runtime_enabled_p,
+ "Returns true if the target wants GCC's default stack protect runtime support,\
+ otherwise return false.  The default implementation always returns true.",
+ bool, (void),
+ hook_bool_void_true)
+
 DEFHOOK
 (can_use_doloop_p,
  "Return true if it is possible to use low-overhead loops (@code{doloop_end}\n\
@@ -5029,6 +5044,18 @@ DEFHOOK
  reg_class_t, (reg_class_t, machine_mode),
  NULL)
 
+/* Determine an additional allocno class.  */
+DEFHOOK
+(additional_allocno_class_p,
+ "This hook should return @code{true} if given class of registers should\
+  be an allocno class in any way.  Usually RA uses only one register\
+  class from all classes containing the same register set.  In some\
+  complicated cases, you need to have two or more such classes as\
+  allocno ones for RA correct work.  Not defining this hook is\
+  equivalent to returning @code{false} for all inputs.",
+ bool, (reg_class_t),
+ hook_bool_reg_class_t_false)
+
 DEFHOOK
 (cstore_mode,
  "This hook defines the machine mode to use for the boolean result of\
@@ -5039,6 +5066,16 @@ DEFHOOK
   machine_mode, (enum insn_code icode),
   default_cstore_mode)
 
+/* This target hook allows the backend to compute the register pressure
+   classes to use.  */
+DEFHOOK
+(compute_pressure_classes,
+ "A target hook which lets a backend compute the set of pressure classes to\
+  be used by those optimization passes which take register pressure into\
+  account, as opposed to letting IRA compute them.  It returns the number of\
+  register classes stored in the array @var{pressure_classes}.",
+ int, (enum reg_class *pressure_classes), NULL)
+
 /* True if a structure, union or array with MODE containing FIELD should
    be accessed using BLKmode.  */
 DEFHOOK
@@ -5430,6 +5467,27 @@ DEFHOOK_UNDOC
  machine_mode, (char c),
  default_mode_for_suffix)
 
+DEFHOOK
+(excess_precision,
+ "Return a value, with the same meaning as the C99 macro\
+ @code{FLT_EVAL_METHOD} that describes which excess precision should be\
+ applied.  @var{type} is either @code{EXCESS_PRECISION_TYPE_IMPLICIT},\
+ @code{EXCESS_PRECISION_TYPE_FAST}, or\
+ @code{EXCESS_PRECISION_TYPE_STANDARD}.  For\
+ @code{EXCESS_PRECISION_TYPE_IMPLICIT}, the target should return which\
+ precision and range operations will be implictly evaluated in regardless\
+ of the excess precision explicitly added.  For\
+ @code{EXCESS_PRECISION_TYPE_STANDARD} and\
+ @code{EXCESS_PRECISION_TYPE_FAST}, the target should return the\
+ explicit excess precision that should be added depending on the\
+ value set for @option{-fexcess-precision=@r{[}standard@r{|}fast@r{]}}.\
+ Note that unpredictable explicit excess precision does not make sense,\
+ so a target should never return @code{FLT_EVAL_METHOD_UNPREDICTABLE}\
+ when @var{type} is @code{EXCESS_PRECISION_TYPE_STANDARD} or\
+ @code{EXCESS_PRECISION_TYPE_FAST}.",
+ enum flt_eval_method, (enum excess_precision_type type),
+ default_excess_precision)
+
 HOOK_VECTOR_END (c)
 
 /* Functions specific to the C++ frontend.  */
@@ -6156,6 +6214,12 @@ HOOK_VECTOR_END (mode_switching)
 #include "target-insns.def"
 #undef DEF_TARGET_INSN
 
+DEFHOOK
+(run_target_selftests,
+ "If selftests are enabled, run any selftests for this target.",
+ void, (void),
+ NULL)
+
 /* Close the 'struct gcc_target' definition.  */
 HOOK_VECTOR_END (C90_EMPTY_HACK)