re PR target/65697 (__atomic memory barriers not strong enough for __sync builtins)
[gcc.git] / gcc / builtin-attrs.def
index 5b2e3afc70923cdd12659a752b71903c8efea94c..133864458d2cc58cb4c4ec0fa617ace95d24245a 100644 (file)
@@ -1,4 +1,4 @@
-/* Copyright (C) 2001, 2002, 2004, 2005, 2007 Free Software Foundation, Inc.
+/* Copyright (C) 2001-2015 Free Software Foundation, Inc.
    Contributed by Joseph Myers <jsm28@cam.ac.uk>.
 
 This file is part of GCC.
@@ -58,6 +58,14 @@ DEF_ATTR_FOR_INT (5)
 DEF_ATTR_FOR_INT (6)
 #undef DEF_ATTR_FOR_INT
 
+/* Construct a tree for a given string and a list containing it.  */
+#define DEF_ATTR_FOR_STRING(ENUM, VALUE)                                       \
+  DEF_ATTR_STRING (ATTR_##ENUM, VALUE)                 \
+  DEF_ATTR_TREE_LIST (ATTR_LIST_##ENUM, ATTR_NULL,     \
+                     ATTR_##ENUM, ATTR_NULL)
+DEF_ATTR_FOR_STRING (STR1, "1")
+#undef DEF_ATTR_FOR_STRING
+
 /* Construct a tree for a list of two integers.  */
 #define DEF_LIST_INT_INT(VALUE1, VALUE2)                                \
   DEF_ATTR_TREE_LIST (ATTR_LIST_##VALUE1##_##VALUE2, ATTR_NULL,                 \
@@ -75,6 +83,7 @@ DEF_LIST_INT_INT (5,6)
 #undef DEF_LIST_INT_INT
 
 /* Construct trees for identifiers.  */
+DEF_ATTR_IDENT (ATTR_COLD, "cold")
 DEF_ATTR_IDENT (ATTR_CONST, "const")
 DEF_ATTR_IDENT (ATTR_FORMAT, "format")
 DEF_ATTR_IDENT (ATTR_FORMAT_ARG, "format_arg")
@@ -82,6 +91,8 @@ DEF_ATTR_IDENT (ATTR_MALLOC, "malloc")
 DEF_ATTR_IDENT (ATTR_NONNULL, "nonnull")
 DEF_ATTR_IDENT (ATTR_NORETURN, "noreturn")
 DEF_ATTR_IDENT (ATTR_NOTHROW, "nothrow")
+DEF_ATTR_IDENT (ATTR_LEAF, "leaf")
+DEF_ATTR_IDENT (ATTR_FNSPEC, "fn spec")
 DEF_ATTR_IDENT (ATTR_PRINTF, "printf")
 DEF_ATTR_IDENT (ATTR_ASM_FPRINTF, "asm_fprintf")
 DEF_ATTR_IDENT (ATTR_GCC_DIAG, "gcc_diag")
@@ -94,23 +105,48 @@ DEF_ATTR_IDENT (ATTR_SENTINEL, "sentinel")
 DEF_ATTR_IDENT (ATTR_STRFMON, "strfmon")
 DEF_ATTR_IDENT (ATTR_STRFTIME, "strftime")
 DEF_ATTR_IDENT (ATTR_TYPEGENERIC, "type generic")
+DEF_ATTR_IDENT (ATTR_TM_REGPARM, "*tm regparm")
+DEF_ATTR_IDENT (ATTR_TM_TMPURE, "transaction_pure")
+DEF_ATTR_IDENT (ATTR_RETURNS_TWICE, "returns_twice")
 
 DEF_ATTR_TREE_LIST (ATTR_NOVOPS_LIST, ATTR_NOVOPS, ATTR_NULL, ATTR_NULL)
 
+DEF_ATTR_TREE_LIST (ATTR_NOVOPS_LEAF_LIST, ATTR_LEAF, ATTR_NULL, ATTR_NOVOPS_LIST)
+
+DEF_ATTR_TREE_LIST (ATTR_LEAF_LIST, ATTR_LEAF, ATTR_NULL, ATTR_NULL)
+
 DEF_ATTR_TREE_LIST (ATTR_NOTHROW_LIST, ATTR_NOTHROW, ATTR_NULL, ATTR_NULL)
 
+DEF_ATTR_TREE_LIST (ATTR_NOTHROW_LEAF_LIST, ATTR_LEAF, ATTR_NULL, ATTR_NOTHROW_LIST)
+
 DEF_ATTR_TREE_LIST (ATTR_CONST_NOTHROW_LIST, ATTR_CONST,       \
                        ATTR_NULL, ATTR_NOTHROW_LIST)
+DEF_ATTR_TREE_LIST (ATTR_CONST_NOTHROW_LEAF_LIST, ATTR_CONST,  \
+                       ATTR_NULL, ATTR_NOTHROW_LEAF_LIST)
 DEF_ATTR_TREE_LIST (ATTR_PURE_NOTHROW_LIST, ATTR_PURE,         \
                        ATTR_NULL, ATTR_NOTHROW_LIST)
-DEF_ATTR_TREE_LIST (ATTR_PURE_NOTHROW_NOVOPS_LIST, ATTR_NOVOPS,        \
-                       ATTR_NULL, ATTR_PURE_NOTHROW_LIST)
+DEF_ATTR_TREE_LIST (ATTR_PURE_NOTHROW_LEAF_LIST, ATTR_PURE,    \
+                       ATTR_NULL, ATTR_NOTHROW_LEAF_LIST)
 DEF_ATTR_TREE_LIST (ATTR_NORETURN_NOTHROW_LIST, ATTR_NORETURN, \
                        ATTR_NULL, ATTR_NOTHROW_LIST)
+DEF_ATTR_TREE_LIST (ATTR_NORETURN_NOTHROW_LEAF_LIST, ATTR_NORETURN,\
+                       ATTR_NULL, ATTR_NOTHROW_LEAF_LIST)
+DEF_ATTR_TREE_LIST (ATTR_COLD_NOTHROW_LEAF_LIST, ATTR_COLD,\
+                       ATTR_NULL, ATTR_NOTHROW_LEAF_LIST)
+DEF_ATTR_TREE_LIST (ATTR_COLD_NORETURN_NOTHROW_LEAF_LIST, ATTR_COLD,\
+                       ATTR_NULL, ATTR_NORETURN_NOTHROW_LEAF_LIST)
+DEF_ATTR_TREE_LIST (ATTR_CONST_NORETURN_NOTHROW_LEAF_LIST, ATTR_CONST,\
+                       ATTR_NULL, ATTR_NORETURN_NOTHROW_LEAF_LIST)
 DEF_ATTR_TREE_LIST (ATTR_MALLOC_NOTHROW_LIST, ATTR_MALLOC,     \
                        ATTR_NULL, ATTR_NOTHROW_LIST)
+DEF_ATTR_TREE_LIST (ATTR_MALLOC_NOTHROW_LEAF_LIST, ATTR_MALLOC,        \
+                       ATTR_NULL, ATTR_NOTHROW_LEAF_LIST)
 DEF_ATTR_TREE_LIST (ATTR_SENTINEL_NOTHROW_LIST, ATTR_SENTINEL, \
                        ATTR_NULL, ATTR_NOTHROW_LIST)
+DEF_ATTR_TREE_LIST (ATTR_SENTINEL_NOTHROW_LEAF_LIST, ATTR_SENTINEL,    \
+                       ATTR_NULL, ATTR_NOTHROW_LEAF_LIST)
+DEF_ATTR_TREE_LIST (ATTR_COLD_CONST_NORETURN_NOTHROW_LEAF_LIST, ATTR_CONST,\
+                       ATTR_NULL, ATTR_COLD_NORETURN_NOTHROW_LEAF_LIST)
 
 /* Functions whose pointer parameter(s) are all nonnull.  */
 DEF_ATTR_TREE_LIST (ATTR_NONNULL_LIST, ATTR_NONNULL, ATTR_NULL, ATTR_NULL)
@@ -118,12 +154,17 @@ DEF_ATTR_TREE_LIST (ATTR_NONNULL_LIST, ATTR_NONNULL, ATTR_NULL, ATTR_NULL)
 DEF_ATTR_TREE_LIST (ATTR_NONNULL_1, ATTR_NONNULL, ATTR_LIST_1, ATTR_NULL)
 /* Functions whose second parameter is a nonnull pointer.  */
 DEF_ATTR_TREE_LIST (ATTR_NONNULL_2, ATTR_NONNULL, ATTR_LIST_2, ATTR_NULL)
+/* Functions whose third parameter is a nonnull pointer.  */
+DEF_ATTR_TREE_LIST (ATTR_NONNULL_3, ATTR_NONNULL, ATTR_LIST_3, ATTR_NULL)
 /* Nothrow functions with the sentinel(1) attribute. */
 DEF_ATTR_TREE_LIST (ATTR_NOTHROW_SENTINEL_1, ATTR_SENTINEL, ATTR_LIST_1, \
                        ATTR_NOTHROW_LIST)
 /* Nothrow functions whose pointer parameter(s) are all nonnull.  */
 DEF_ATTR_TREE_LIST (ATTR_NOTHROW_NONNULL, ATTR_NONNULL, ATTR_NULL, \
                        ATTR_NOTHROW_LIST)
+/* Nothrow leaf functions whose pointer parameter(s) are all nonnull.  */
+DEF_ATTR_TREE_LIST (ATTR_NOTHROW_NONNULL_LEAF, ATTR_NONNULL, ATTR_NULL, \
+                       ATTR_NOTHROW_LEAF_LIST)
 /* Nothrow functions whose first parameter is a nonnull pointer.  */
 DEF_ATTR_TREE_LIST (ATTR_NOTHROW_NONNULL_1, ATTR_NONNULL, ATTR_LIST_1, \
                        ATTR_NOTHROW_LIST)
@@ -139,42 +180,102 @@ DEF_ATTR_TREE_LIST (ATTR_NOTHROW_NONNULL_4, ATTR_NONNULL, ATTR_LIST_4, \
 /* Nothrow functions whose fifth parameter is a nonnull pointer.  */
 DEF_ATTR_TREE_LIST (ATTR_NOTHROW_NONNULL_5, ATTR_NONNULL, ATTR_LIST_5, \
                        ATTR_NOTHROW_LIST)
+/* Nothrow leaf functions which are type-generic.  */
+DEF_ATTR_TREE_LIST (ATTR_NOTHROW_TYPEGENERIC_LEAF, ATTR_TYPEGENERIC, ATTR_NULL, \
+                       ATTR_NOTHROW_LEAF_LIST)
 /* Nothrow const functions whose pointer parameter(s) are all nonnull.  */
 DEF_ATTR_TREE_LIST (ATTR_CONST_NOTHROW_NONNULL, ATTR_CONST, ATTR_NULL, \
                        ATTR_NOTHROW_NONNULL)
+/* Nothrow leaf functions whose pointer parameter(s) are all nonnull,
+   and which return their first argument.  */
+DEF_ATTR_TREE_LIST (ATTR_RET1_NOTHROW_NONNULL_LEAF, ATTR_FNSPEC, ATTR_LIST_STR1, \
+                       ATTR_NOTHROW_NONNULL_LEAF)
+/* Nothrow const leaf functions whose pointer parameter(s) are all nonnull.  */
+DEF_ATTR_TREE_LIST (ATTR_CONST_NOTHROW_NONNULL_LEAF, ATTR_CONST, ATTR_NULL, \
+                       ATTR_NOTHROW_NONNULL_LEAF)
 /* Nothrow const functions which are type-generic.  */
 DEF_ATTR_TREE_LIST (ATTR_CONST_NOTHROW_TYPEGENERIC, ATTR_TYPEGENERIC, ATTR_NULL, \
                        ATTR_CONST_NOTHROW_LIST)
+/* Nothrow const leaf functions which are type-generic.  */
+DEF_ATTR_TREE_LIST (ATTR_CONST_NOTHROW_TYPEGENERIC_LEAF, ATTR_TYPEGENERIC, ATTR_NULL, \
+                       ATTR_CONST_NOTHROW_LEAF_LIST)
 /* Nothrow pure functions whose pointer parameter(s) are all nonnull.  */
 DEF_ATTR_TREE_LIST (ATTR_PURE_NOTHROW_NONNULL, ATTR_PURE, ATTR_NULL, \
                        ATTR_NOTHROW_NONNULL)
+/* Nothrow pure leaf functions whose pointer parameter(s) are all nonnull.  */
+DEF_ATTR_TREE_LIST (ATTR_PURE_NOTHROW_NONNULL_LEAF, ATTR_PURE, ATTR_NULL, \
+                       ATTR_NOTHROW_NONNULL_LEAF)
 /* Nothrow malloc functions whose pointer parameter(s) are all nonnull.  */
 DEF_ATTR_TREE_LIST (ATTR_MALLOC_NOTHROW_NONNULL, ATTR_MALLOC, ATTR_NULL, \
                        ATTR_NOTHROW_NONNULL)
+/* Nothrow malloc leaf functions whose pointer parameter(s) are all nonnull.  */
+DEF_ATTR_TREE_LIST (ATTR_MALLOC_NOTHROW_NONNULL_LEAF, ATTR_MALLOC, ATTR_NULL, \
+                       ATTR_NOTHROW_NONNULL_LEAF)
 
 /* Construct a tree for a format attribute.  */
 #define DEF_FORMAT_ATTRIBUTE(TYPE, FA, VALUES)                          \
   DEF_ATTR_TREE_LIST (ATTR_##TYPE##_##VALUES, ATTR_NULL,                \
                      ATTR_##TYPE, ATTR_LIST_##VALUES)                   \
   DEF_ATTR_TREE_LIST (ATTR_FORMAT_##TYPE##_##VALUES, ATTR_FORMAT,       \
+                     ATTR_##TYPE##_##VALUES, ATTR_NONNULL_##FA)
+#define DEF_FORMAT_ATTRIBUTE_NOTHROW(TYPE, FA, VALUES)                  \
+  DEF_ATTR_TREE_LIST (ATTR_##TYPE##_##VALUES, ATTR_NULL,                \
+                     ATTR_##TYPE, ATTR_LIST_##VALUES)                   \
+  DEF_ATTR_TREE_LIST (ATTR_FORMAT_##TYPE##_NOTHROW_##VALUES, ATTR_FORMAT,\
+                     ATTR_##TYPE##_##VALUES, ATTR_NOTHROW_NONNULL_##FA)
+#define DEF_FORMAT_ATTRIBUTE_BOTH(TYPE, FA, VALUES)                     \
+  DEF_ATTR_TREE_LIST (ATTR_##TYPE##_##VALUES, ATTR_NULL,                \
+                     ATTR_##TYPE, ATTR_LIST_##VALUES)                   \
+  DEF_ATTR_TREE_LIST (ATTR_FORMAT_##TYPE##_##VALUES, ATTR_FORMAT,       \
+                     ATTR_##TYPE##_##VALUES, ATTR_NONNULL_##FA)         \
+  DEF_ATTR_TREE_LIST (ATTR_FORMAT_##TYPE##_NOTHROW_##VALUES, ATTR_FORMAT,\
                      ATTR_##TYPE##_##VALUES, ATTR_NOTHROW_NONNULL_##FA)
 DEF_FORMAT_ATTRIBUTE(PRINTF,1,1_0)
 DEF_FORMAT_ATTRIBUTE(PRINTF,1,1_2)
-DEF_FORMAT_ATTRIBUTE(PRINTF,2,2_0)
-DEF_FORMAT_ATTRIBUTE(PRINTF,2,2_3)
-DEF_FORMAT_ATTRIBUTE(PRINTF,3,3_0)
-DEF_FORMAT_ATTRIBUTE(PRINTF,3,3_4)
-DEF_FORMAT_ATTRIBUTE(PRINTF,4,4_0)
-DEF_FORMAT_ATTRIBUTE(PRINTF,4,4_5)
-DEF_FORMAT_ATTRIBUTE(PRINTF,5,5_0)
-DEF_FORMAT_ATTRIBUTE(PRINTF,5,5_6)
+DEF_FORMAT_ATTRIBUTE_BOTH(PRINTF,2,2_0)
+DEF_FORMAT_ATTRIBUTE_BOTH(PRINTF,2,2_3)
+DEF_FORMAT_ATTRIBUTE_BOTH(PRINTF,3,3_0)
+DEF_FORMAT_ATTRIBUTE_BOTH(PRINTF,3,3_4)
+DEF_FORMAT_ATTRIBUTE_NOTHROW(PRINTF,4,4_0)
+DEF_FORMAT_ATTRIBUTE_NOTHROW(PRINTF,4,4_5)
+DEF_FORMAT_ATTRIBUTE_NOTHROW(PRINTF,5,5_0)
+DEF_FORMAT_ATTRIBUTE_NOTHROW(PRINTF,5,5_6)
 DEF_FORMAT_ATTRIBUTE(SCANF,1,1_0)
 DEF_FORMAT_ATTRIBUTE(SCANF,1,1_2)
-DEF_FORMAT_ATTRIBUTE(SCANF,2,2_0)
-DEF_FORMAT_ATTRIBUTE(SCANF,2,2_3)
-DEF_FORMAT_ATTRIBUTE(STRFTIME,3,3_0)
-DEF_FORMAT_ATTRIBUTE(STRFMON,3,3_4)
+DEF_FORMAT_ATTRIBUTE_BOTH(SCANF,2,2_0)
+DEF_FORMAT_ATTRIBUTE_BOTH(SCANF,2,2_3)
+DEF_FORMAT_ATTRIBUTE_NOTHROW(STRFTIME,3,3_0)
+DEF_FORMAT_ATTRIBUTE_NOTHROW(STRFMON,3,3_4)
 #undef DEF_FORMAT_ATTRIBUTE
+#undef DEF_FORMAT_ATTRIBUTE_NOTHROW
+#undef DEF_FORMAT_ATTRIBUTE_BOTH
+
+/* Transactional memory variants of the above.  */
+
+DEF_ATTR_TREE_LIST (ATTR_TM_NOTHROW_LIST,
+                   ATTR_TM_REGPARM, ATTR_NULL, ATTR_NOTHROW_LIST)
+DEF_ATTR_TREE_LIST (ATTR_TM_TMPURE_NOTHROW_LIST,
+                   ATTR_TM_TMPURE, ATTR_NULL, ATTR_TM_NOTHROW_LIST)
+DEF_ATTR_TREE_LIST (ATTR_TM_PURE_TMPURE_NOTHROW_LIST,
+                   ATTR_PURE, ATTR_NULL, ATTR_TM_TMPURE_NOTHROW_LIST)
+DEF_ATTR_TREE_LIST (ATTR_TM_NORETURN_NOTHROW_LIST,
+                   ATTR_TM_REGPARM, ATTR_NULL, ATTR_NORETURN_NOTHROW_LIST)
+DEF_ATTR_TREE_LIST (ATTR_TM_CONST_NOTHROW_LIST,
+                   ATTR_TM_REGPARM, ATTR_NULL, ATTR_CONST_NOTHROW_LIST)
+DEF_ATTR_TREE_LIST (ATTR_TM_NOTHROW_RT_LIST,
+                   ATTR_RETURNS_TWICE, ATTR_NULL, ATTR_TM_NOTHROW_LIST)
+
+/* Same attributes used for BUILT_IN_MALLOC except with TM_PURE thrown in.  */
+DEF_ATTR_TREE_LIST (ATTR_TMPURE_MALLOC_NOTHROW_LIST,
+                  ATTR_TM_TMPURE, ATTR_NULL, ATTR_MALLOC_NOTHROW_LIST)
+/* Same attributes used for BUILT_IN_FREE except with TM_PURE thrown in.  */
+DEF_ATTR_TREE_LIST (ATTR_TMPURE_NOTHROW_LIST,
+                  ATTR_TM_TMPURE, ATTR_NULL, ATTR_NOTHROW_LIST)
+
+DEF_ATTR_TREE_LIST (ATTR_TMPURE_NOTHROW_LEAF_LIST,
+                   ATTR_TM_TMPURE, ATTR_NULL, ATTR_NOTHROW_LEAF_LIST)
+DEF_ATTR_TREE_LIST (ATTR_TMPURE_NORETURN_NOTHROW_LEAF_LIST,
+                   ATTR_TM_TMPURE, ATTR_NULL, ATTR_NORETURN_NOTHROW_LEAF_LIST)
 
 /* Construct a tree for a format_arg attribute.  */
 #define DEF_FORMAT_ARG_ATTRIBUTE(FA)                                   \