@@ -1,3 +1,12 @@
+2015-12-05 Jeff Law <law@redhat.com>
+
+ PR tree-optimization/68619
+ * gcc.dg/tree-ssa/pr68619-1.c: New test.
+ * gcc.dg/tree-ssa/pr68619-2.c: New test.
+ * gcc.dg/tree-ssa/pr68619-3.c: New test.
+ * gcc.dg/tree-ssa/pr68619-4.c: New test.
+ * gcc.dg/tree-ssa/pr68619-5.c: New test.
+
2015-12-02 Jeff Law <law@redhat.com>
* gcc.dg/tree-ssa/reassoc-43.c: New test.
new file mode 100644
@@ -0,0 +1,20 @@
+/* { dg-do compile } */
+/* { dg-options "-O2 -w" } */
+
+extern void fn2(int);
+int a, b, c;
+void fn1() {
+ int d;
+ for (; b; b++) {
+ a = 7;
+ for (; a;) {
+ jump:
+ fn2(d ?: c);
+ d = 0;
+ }
+ d = c;
+ if (c)
+ goto jump;
+ }
+ goto jump;
+}
new file mode 100644
@@ -0,0 +1,92 @@
+/* { dg-do compile } */
+/* { dg-options "-O2 -fdump-tree-dom2-details -w" } */
+
+typedef union tree_node *tree;
+struct gcc_options
+{
+ int x_flag_finite_math_only;
+};
+extern struct gcc_options global_options;
+enum mode_class
+{ MODE_RANDOM, MODE_CC, MODE_INT, MODE_PARTIAL_INT, MODE_FRACT, MODE_UFRACT,
+ MODE_ACCUM, MODE_UACCUM, MODE_FLOAT, MODE_DECIMAL_FLOAT, MODE_COMPLEX_INT,
+ MODE_COMPLEX_FLOAT, MODE_VECTOR_INT, MODE_VECTOR_FRACT,
+ MODE_VECTOR_UFRACT, MODE_VECTOR_ACCUM, MODE_VECTOR_UACCUM,
+ MODE_VECTOR_FLOAT, MAX_MODE_CLASS
+};
+extern const unsigned char mode_class[27];
+extern const unsigned char mode_inner[27];
+struct real_value
+{
+};
+struct real_format
+{
+ unsigned char has_inf;
+};
+extern const struct real_format *real_format_for_mode[5 -
+ 2 + 1 + 15 - 10 + 1];
+struct tree_type
+{
+};
+union tree_node
+{
+ int code;
+ int mode;
+ struct tree_type type;
+};
+tree
+omp_reduction_init (tree clause, tree type)
+{
+ if ((((type)->code) == 64))
+ {
+ struct real_value max;
+ if (((((mode_class[((((type))->code) ==
+ 32 ?
+ vector_type_mode (type)
+ : (type)->mode)]) ==
+ MODE_VECTOR_FLOAT)
+ &&
+ ((real_format_for_mode
+ [((mode_class[((mode_class[((((type))->code) ==
+ 32 ?
+ vector_type_mode (type)
+ : (type)->mode)]) ==
+ 12) ? (((((type))->code)
+ ==
+ 32 ?
+ vector_type_mode
+ (type)
+ : (type)->mode))
+ : (mode_inner[((((type))->code) ==
+ 32 ?
+ vector_type_mode (type)
+ : (type)->mode)])]) ==
+ 12)
+ ? (((((mode_class[((((type))->code) ==
+ 32 ? vector_type_mode (type)
+ : (type)->mode)]) ==
+ 12) ? (((((type))->code) ==
+ 32 ?
+ vector_type_mode (type)
+ : (type)->mode)) : (mode_inner
+ [((((type))->code) ==
+ 32 ?
+ vector_type_mode (type)
+ : (type)->mode)])) - 10) +
+ (5 - 2 +
+ 1))
+ : ((((mode_class
+ [((((type))->code) ==
+ 32 ? vector_type_mode (type) : (type)->mode)]) ==
+ 12) ? (((((type))->code) ==
+ 32 ? vector_type_mode (type) : (type)->
+ mode)) : (mode_inner[((((type))->code) ==
+ 32 ? vector_type_mode (type)
+ : (type)->mode)])) -
+ 2)]))->has_inf) && !global_options.x_flag_finite_math_only))
+ real_inf (&max);
+ }
+}
+
+/* { dg-final { scan-tree-dump "Marking all outgoing edges of unreachable" "dom2"} } */
+
new file mode 100644
@@ -0,0 +1,26 @@
+/* { dg-do compile } */
+/* { dg-options "-O2 -w" } */
+typedef unsigned int hashval_t;
+enum ETYPE
+{
+ ETYPE_ARRAY, ETYPE_STRUCT, ETYPE_UNION,
+};
+struct entry
+{
+ enum ETYPE etype:8;
+ unsigned short len;
+ const char *attrib;
+};
+e_hash (const void *a)
+{
+ const struct entry *e = a;
+ hashval_t ret = 0;
+ int i;
+ if (e[0].etype != ETYPE_STRUCT && e[0].etype != ETYPE_UNION)
+ abort ();
+ for (i = 0; i <= e[0].len; ++i)
+ {
+ ret = iterative_hash (&e[i], __builtin_offsetof (struct entry, attrib), ret);
+ }
+ return ret;
+}
new file mode 100644
@@ -0,0 +1,94 @@
+/* { dg-do compile } */
+/* { dg-options "-O2 -fdump-tree-optimized -w" } */
+
+typedef struct rtx_def *rtx;
+enum rtx_code
+{
+ UNKNOWN, VALUE, DEBUG_EXPR, EXPR_LIST, INSN_LIST, SEQUENCE, ADDRESS,
+ DEBUG_INSN, INSN, JUMP_INSN, CALL_INSN, BARRIER, CODE_LABEL, NOTE,
+ COND_EXEC, PARALLEL, ASM_INPUT, ASM_OPERANDS, UNSPEC, UNSPEC_VOLATILE,
+ ADDR_VEC, ADDR_DIFF_VEC, PREFETCH, SET, USE, CLOBBER, CALL, RETURN,
+ EH_RETURN, TRAP_IF, CONST_INT, CONST_FIXED, CONST_DOUBLE, CONST_VECTOR,
+ CONST_STRING, CONST, PC, REG, SCRATCH, SUBREG, STRICT_LOW_PART, CONCAT,
+ CONCATN, MEM, LABEL_REF, SYMBOL_REF, CC0, IF_THEN_ELSE, COMPARE, PLUS,
+ MINUS, NEG, MULT, SS_MULT, US_MULT, DIV, SS_DIV, US_DIV, MOD, UDIV, UMOD,
+ AND, IOR, XOR, NOT, ASHIFT, ROTATE, ASHIFTRT, LSHIFTRT, ROTATERT, SMIN,
+ SMAX, UMIN, UMAX, PRE_DEC, PRE_INC, POST_DEC, POST_INC, PRE_MODIFY,
+ POST_MODIFY, NE, EQ, GE, GT, LE, LT, GEU, GTU, LEU, LTU, UNORDERED,
+ ORDERED, UNEQ, UNGE, UNGT, UNLE, UNLT, LTGT, SIGN_EXTEND, ZERO_EXTEND,
+ TRUNCATE, FLOAT_EXTEND, FLOAT_TRUNCATE, FLOAT, FIX, UNSIGNED_FLOAT,
+ UNSIGNED_FIX, FRACT_CONVERT, UNSIGNED_FRACT_CONVERT, SAT_FRACT,
+ UNSIGNED_SAT_FRACT, ABS, SQRT, BSWAP, FFS, CLZ, CTZ, POPCOUNT, PARITY,
+ SIGN_EXTRACT, ZERO_EXTRACT, HIGH, LO_SUM, VEC_MERGE, VEC_SELECT,
+ VEC_CONCAT, VEC_DUPLICATE, SS_PLUS, US_PLUS, SS_MINUS, SS_NEG, US_NEG,
+ SS_ABS, SS_ASHIFT, US_ASHIFT, US_MINUS, SS_TRUNCATE, US_TRUNCATE, FMA,
+ VAR_LOCATION, DEBUG_IMPLICIT_PTR, ENTRY_VALUE, LAST_AND_UNUSED_RTX_CODE
+};
+enum rtx_class
+{
+ RTX_COMPARE, RTX_COMM_COMPARE, RTX_BIN_ARITH, RTX_COMM_ARITH, RTX_UNARY,
+ RTX_EXTRA, RTX_MATCH, RTX_INSN, RTX_OBJ, RTX_CONST_OBJ, RTX_TERNARY,
+ RTX_BITFIELD_OPS, RTX_AUTOINC
+};
+extern const unsigned char rtx_length[((int) LAST_AND_UNUSED_RTX_CODE)];
+extern const enum rtx_class rtx_class[((int) LAST_AND_UNUSED_RTX_CODE)];
+union rtunion_def
+{
+ rtx rt_rtx;
+};
+typedef union rtunion_def rtunion;
+struct rtx_def
+{
+ enum rtx_code code:16;
+ union u
+ {
+ rtunion fld[1];
+ }
+ u;
+};
+struct cse_reg_info
+{
+ unsigned int timestamp;
+ int reg_qty;
+ int reg_tick;
+ int reg_in_table;
+ unsigned int subreg_ticked;
+};
+static struct cse_reg_info *cse_reg_info_table;
+static unsigned int cse_reg_info_timestamp;
+
+static __inline__ struct cse_reg_info *
+get_cse_reg_info (unsigned int regno)
+{
+ struct cse_reg_info *p = &cse_reg_info_table[regno];
+ if (p->timestamp != cse_reg_info_timestamp)
+ cse_reg_info_table[regno].timestamp = cse_reg_info_timestamp;
+}
+
+int
+mention_regs (rtx x)
+{
+ enum rtx_code code;
+ int i, j;
+ const char *fmt;
+ int changed = 0;
+ code = ((x)->code);
+ if (code == SUBREG
+ && ((((((x)->u.fld[0]).rt_rtx))->code) == REG))
+ {
+ (get_cse_reg_info (i)->reg_in_table) = (get_cse_reg_info (i)->reg_tick);
+ (get_cse_reg_info (i)->subreg_ticked) =
+ (rhs_regno ((((x)->u.fld[0]).rt_rtx)));
+ }
+ if ((((rtx_class[(int) (((x)->code))]) & (~1)) == (RTX_COMPARE & (~1))))
+ {
+ if (((((((x)->u.fld[0]).rt_rtx))->code) == REG))
+ foop ();
+ }
+ for (i = (rtx_length[(int) (code)]) - 1; i >= 0; i--)
+ arf ();
+}
+
+/* Make sure the constant 39 gets propagated into the PHI at the join point. */
+/* { dg-final { scan-tree-dump "PHI <.*, 39" "optimized"} } */
+
new file mode 100644
@@ -0,0 +1,172 @@
+/* { dg-do compile } */
+/* { dg-options "-O2 -w" } */
+typedef union tree_node *tree;
+typedef union gimple_statement_d *gimple;
+enum machine_mode
+{ VOIDmode, BLKmode, CCmode, CCGCmode, CCGOCmode, CCNOmode, CCAmode, CCCmode,
+ CCOmode, CCSmode, CCZmode, CCFPmode, CCFPUmode, BImode, QImode, HImode,
+ SImode, DImode, TImode, OImode, QQmode, HQmode, SQmode, DQmode, TQmode,
+ UQQmode, UHQmode, USQmode, UDQmode, UTQmode, HAmode, SAmode, DAmode,
+ TAmode, UHAmode, USAmode, UDAmode, UTAmode, SFmode, DFmode, XFmode,
+ TFmode, SDmode, DDmode, TDmode, CQImode, CHImode, CSImode, CDImode,
+ CTImode, COImode, SCmode, DCmode, XCmode, TCmode, V2QImode, V4QImode,
+ V2HImode, V1SImode, V8QImode, V4HImode, V2SImode, V1DImode, V16QImode,
+ V8HImode, V4SImode, V2DImode, V1TImode, V32QImode, V16HImode, V8SImode,
+ V4DImode, V2TImode, V64QImode, V32HImode, V16SImode, V8DImode, V4TImode,
+ V2SFmode, V4SFmode, V2DFmode, V8SFmode, V4DFmode, V2TFmode, V16SFmode,
+ V8DFmode, V4TFmode, MAX_MACHINE_MODE, MIN_MODE_RANDOM =
+ VOIDmode, MAX_MODE_RANDOM = BLKmode, MIN_MODE_CC = CCmode, MAX_MODE_CC =
+ CCFPUmode, MIN_MODE_INT = QImode, MAX_MODE_INT =
+ OImode, MIN_MODE_PARTIAL_INT = VOIDmode, MAX_MODE_PARTIAL_INT =
+ VOIDmode, MIN_MODE_FRACT = QQmode, MAX_MODE_FRACT =
+ TQmode, MIN_MODE_UFRACT = UQQmode, MAX_MODE_UFRACT =
+ UTQmode, MIN_MODE_ACCUM = HAmode, MAX_MODE_ACCUM =
+ TAmode, MIN_MODE_UACCUM = UHAmode, MAX_MODE_UACCUM =
+ UTAmode, MIN_MODE_FLOAT = SFmode, MAX_MODE_FLOAT =
+ TFmode, MIN_MODE_DECIMAL_FLOAT = SDmode, MAX_MODE_DECIMAL_FLOAT =
+ TDmode, MIN_MODE_COMPLEX_INT = CQImode, MAX_MODE_COMPLEX_INT =
+ COImode, MIN_MODE_COMPLEX_FLOAT = SCmode, MAX_MODE_COMPLEX_FLOAT =
+ TCmode, MIN_MODE_VECTOR_INT = V2QImode, MAX_MODE_VECTOR_INT =
+ V4TImode, MIN_MODE_VECTOR_FRACT = VOIDmode, MAX_MODE_VECTOR_FRACT =
+ VOIDmode, MIN_MODE_VECTOR_UFRACT = VOIDmode, MAX_MODE_VECTOR_UFRACT =
+ VOIDmode, MIN_MODE_VECTOR_ACCUM = VOIDmode, MAX_MODE_VECTOR_ACCUM =
+ VOIDmode, MIN_MODE_VECTOR_UACCUM = VOIDmode, MAX_MODE_VECTOR_UACCUM =
+ VOIDmode, MIN_MODE_VECTOR_FLOAT = V2SFmode, MAX_MODE_VECTOR_FLOAT =
+ V4TFmode, NUM_MACHINE_MODES = MAX_MACHINE_MODE };
+enum mode_class
+{ MODE_RANDOM, MODE_CC, MODE_INT, MODE_PARTIAL_INT, MODE_FRACT, MODE_UFRACT,
+ MODE_ACCUM, MODE_UACCUM, MODE_FLOAT, MODE_DECIMAL_FLOAT, MODE_COMPLEX_INT,
+ MODE_COMPLEX_FLOAT, MODE_VECTOR_INT, MODE_VECTOR_FRACT,
+ MODE_VECTOR_UFRACT, MODE_VECTOR_ACCUM, MODE_VECTOR_UACCUM,
+ MODE_VECTOR_FLOAT, MAX_MODE_CLASS };
+extern const unsigned char mode_class[NUM_MACHINE_MODES];
+extern const unsigned char mode_inner[NUM_MACHINE_MODES];
+struct real_format
+{
+ unsigned char has_nans;
+};
+extern const struct real_format *real_format_for_mode[MAX_MODE_FLOAT -
+ MIN_MODE_FLOAT + 1 +
+ MAX_MODE_DECIMAL_FLOAT -
+ MIN_MODE_DECIMAL_FLOAT +
+ 1];
+enum tree_code
+{ ERROR_MARK, IDENTIFIER_NODE, TREE_LIST, TREE_VEC, BLOCK, OFFSET_TYPE,
+ ENUMERAL_TYPE, BOOLEAN_TYPE, INTEGER_TYPE, REAL_TYPE, POINTER_TYPE,
+ REFERENCE_TYPE, NULLPTR_TYPE, FIXED_POINT_TYPE, COMPLEX_TYPE, VECTOR_TYPE,
+ ARRAY_TYPE, RECORD_TYPE, UNION_TYPE, QUAL_UNION_TYPE, VOID_TYPE,
+ FUNCTION_TYPE, METHOD_TYPE, LANG_TYPE, INTEGER_CST, REAL_CST, FIXED_CST,
+ COMPLEX_CST, VECTOR_CST, STRING_CST, FUNCTION_DECL, LABEL_DECL,
+ FIELD_DECL, VAR_DECL, CONST_DECL, PARM_DECL, TYPE_DECL, RESULT_DECL,
+ DEBUG_EXPR_DECL, NAMESPACE_DECL, IMPORTED_DECL, TRANSLATION_UNIT_DECL,
+ COMPONENT_REF, BIT_FIELD_REF, REALPART_EXPR, IMAGPART_EXPR, ARRAY_REF,
+ ARRAY_RANGE_REF, INDIRECT_REF, OBJ_TYPE_REF, CONSTRUCTOR, COMPOUND_EXPR,
+ MODIFY_EXPR, INIT_EXPR, TARGET_EXPR, COND_EXPR, VEC_COND_EXPR, BIND_EXPR,
+ CALL_EXPR, WITH_CLEANUP_EXPR, CLEANUP_POINT_EXPR, PLACEHOLDER_EXPR,
+ PLUS_EXPR, MINUS_EXPR, MULT_EXPR, POINTER_PLUS_EXPR, TRUNC_DIV_EXPR,
+ CEIL_DIV_EXPR, FLOOR_DIV_EXPR, ROUND_DIV_EXPR, TRUNC_MOD_EXPR,
+ CEIL_MOD_EXPR, FLOOR_MOD_EXPR, ROUND_MOD_EXPR, RDIV_EXPR, EXACT_DIV_EXPR,
+ FIX_TRUNC_EXPR, FLOAT_EXPR, NEGATE_EXPR, MIN_EXPR, MAX_EXPR, ABS_EXPR,
+ LSHIFT_EXPR, RSHIFT_EXPR, LROTATE_EXPR, RROTATE_EXPR, BIT_IOR_EXPR,
+ BIT_XOR_EXPR, BIT_AND_EXPR, BIT_NOT_EXPR, TRUTH_ANDIF_EXPR,
+ TRUTH_ORIF_EXPR, TRUTH_AND_EXPR, TRUTH_OR_EXPR, TRUTH_XOR_EXPR,
+ TRUTH_NOT_EXPR, LT_EXPR, LE_EXPR, GT_EXPR, GE_EXPR, EQ_EXPR, NE_EXPR,
+ UNORDERED_EXPR, ORDERED_EXPR, UNLT_EXPR, UNLE_EXPR, UNGT_EXPR, UNGE_EXPR,
+ UNEQ_EXPR, LTGT_EXPR, RANGE_EXPR, PAREN_EXPR, CONVERT_EXPR,
+ ADDR_SPACE_CONVERT_EXPR, FIXED_CONVERT_EXPR, NOP_EXPR, NON_LVALUE_EXPR,
+ VIEW_CONVERT_EXPR, COMPOUND_LITERAL_EXPR, SAVE_EXPR, ADDR_EXPR,
+ FDESC_EXPR, COMPLEX_EXPR, CONJ_EXPR, PREDECREMENT_EXPR, PREINCREMENT_EXPR,
+ POSTDECREMENT_EXPR, POSTINCREMENT_EXPR, VA_ARG_EXPR, TRY_CATCH_EXPR,
+ TRY_FINALLY_EXPR, DECL_EXPR, LABEL_EXPR, GOTO_EXPR, RETURN_EXPR,
+ EXIT_EXPR, LOOP_EXPR, SWITCH_EXPR, CASE_LABEL_EXPR, ASM_EXPR, SSA_NAME,
+ CATCH_EXPR, EH_FILTER_EXPR, SCEV_KNOWN, SCEV_NOT_KNOWN, POLYNOMIAL_CHREC,
+ STATEMENT_LIST, ASSERT_EXPR, TREE_BINFO, WITH_SIZE_EXPR,
+ REALIGN_LOAD_EXPR, TARGET_MEM_REF, MEM_REF, OMP_PARALLEL, OMP_TASK,
+ OMP_FOR, OMP_SECTIONS, OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
+ OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE, REDUC_MAX_EXPR, REDUC_MIN_EXPR,
+ REDUC_PLUS_EXPR, DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR,
+ WIDEN_MULT_PLUS_EXPR, WIDEN_MULT_MINUS_EXPR, FMA_EXPR, VEC_LSHIFT_EXPR,
+ VEC_RSHIFT_EXPR, VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR,
+ VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR, VEC_UNPACK_FLOAT_HI_EXPR,
+ VEC_UNPACK_FLOAT_LO_EXPR, VEC_PACK_TRUNC_EXPR, VEC_PACK_SAT_EXPR,
+ VEC_PACK_FIX_TRUNC_EXPR, VEC_EXTRACT_EVEN_EXPR, VEC_EXTRACT_ODD_EXPR,
+ VEC_INTERLEAVE_HIGH_EXPR, VEC_INTERLEAVE_LOW_EXPR, PREDICT_EXPR,
+ OPTIMIZATION_NODE, TARGET_OPTION_NODE, LAST_AND_UNUSED_TREE_CODE,
+ C_MAYBE_CONST_EXPR, EXCESS_PRECISION_EXPR, UNCONSTRAINED_ARRAY_TYPE,
+ UNCONSTRAINED_ARRAY_REF, NULL_EXPR, PLUS_NOMOD_EXPR, MINUS_NOMOD_EXPR,
+ ATTR_ADDR_EXPR, STMT_STMT, LOOP_STMT, EXIT_STMT, OFFSET_REF, PTRMEM_CST,
+ NEW_EXPR, VEC_NEW_EXPR, DELETE_EXPR, VEC_DELETE_EXPR, SCOPE_REF,
+ MEMBER_REF, TYPE_EXPR, AGGR_INIT_EXPR, VEC_INIT_EXPR, THROW_EXPR,
+ EMPTY_CLASS_EXPR, BASELINK, TEMPLATE_DECL, TEMPLATE_PARM_INDEX,
+ TEMPLATE_TEMPLATE_PARM, TEMPLATE_TYPE_PARM, TYPENAME_TYPE, TYPEOF_TYPE,
+ BOUND_TEMPLATE_TEMPLATE_PARM, UNBOUND_CLASS_TEMPLATE, USING_DECL,
+ USING_STMT, DEFAULT_ARG, TEMPLATE_ID_EXPR, OVERLOAD, PSEUDO_DTOR_EXPR,
+ MODOP_EXPR, CAST_EXPR, REINTERPRET_CAST_EXPR, CONST_CAST_EXPR,
+ STATIC_CAST_EXPR, DYNAMIC_CAST_EXPR, DOTSTAR_EXPR, TYPEID_EXPR,
+ NOEXCEPT_EXPR, NON_DEPENDENT_EXPR, CTOR_INITIALIZER, TRY_BLOCK,
+ EH_SPEC_BLOCK, HANDLER, MUST_NOT_THROW_EXPR, CLEANUP_STMT, IF_STMT,
+ FOR_STMT, RANGE_FOR_STMT, WHILE_STMT, DO_STMT, BREAK_STMT, CONTINUE_STMT,
+ SWITCH_STMT, EXPR_STMT, TAG_DEFN, OFFSETOF_EXPR, SIZEOF_EXPR, ARROW_EXPR,
+ ALIGNOF_EXPR, AT_ENCODE_EXPR, STMT_EXPR, UNARY_PLUS_EXPR, STATIC_ASSERT,
+ TYPE_ARGUMENT_PACK, NONTYPE_ARGUMENT_PACK, TYPE_PACK_EXPANSION,
+ EXPR_PACK_EXPANSION, ARGUMENT_PACK_SELECT, TRAIT_EXPR, LAMBDA_EXPR,
+ DECLTYPE_TYPE, TEMPLATE_INFO, URSHIFT_EXPR, COMPARE_EXPR, COMPARE_L_EXPR,
+ COMPARE_G_EXPR, CLASS_INTERFACE_TYPE, CLASS_IMPLEMENTATION_TYPE,
+ CATEGORY_INTERFACE_TYPE, CATEGORY_IMPLEMENTATION_TYPE,
+ PROTOCOL_INTERFACE_TYPE, KEYWORD_DECL, INSTANCE_METHOD_DECL,
+ CLASS_METHOD_DECL, PROPERTY_DECL, MESSAGE_SEND_EXPR, CLASS_REFERENCE_EXPR,
+ PROPERTY_REF, MAX_TREE_CODES };
+struct tree_base
+{
+ enum tree_code code:16;
+};
+struct tree_typed
+{
+ tree type;
+};
+struct tree_type
+{
+ enum machine_mode mode:8;
+};
+union tree_node
+{
+ struct tree_base base;
+ struct tree_typed typed;
+ struct tree_type type;
+};
+enum tree_code
+parse_predicate (tree cond, tree * op0, tree * op1)
+{
+ gimple s;
+ tree op;
+ tree type = (*(&op->typed.type));
+ enum tree_code code;
+ return invert_tree_comparison (code,
+ ((((mode_class
+ [((((type))->base.code) ==
+ VECTOR_TYPE ? vector_type_mode (type)
+ : (type)->type.mode)]) ==
+ MODE_VECTOR_FLOAT)
+ &&
+ ((real_format_for_mode
+ [(((enum mode_class)
+ mode_class[(((enum mode_class)
+ mode_class[((((type))->
+ base.
+ code) ==
+ VECTOR_TYPE ?
+ vector_type_mode
+ (type)
+ : (type)->
+ type.
+ mode)]) ==
+ MODE_DECIMAL_FLOAT)
+ ? (((((type))->base.
+ code) ==
+ VECTOR_TYPE ?
+ vector_type_mode (type)
+ : (type)->type.
+ mode)) : ((enum
+ machine_mode)
+ mode_inner[((((type))->base.code) == VECTOR_TYPE ? vector_type_mode (type) : (type)->type.mode)])]) == MODE_DECIMAL_FLOAT) ? ((((((enum mode_class) mode_class[((((type))->base.code) == VECTOR_TYPE ? vector_type_mode (type) : (type)->type.mode)]) == MODE_DECIMAL_FLOAT) ? (((((type))->base.code) == VECTOR_TYPE ? vector_type_mode (type) : (type)->type.mode)) : ((enum machine_mode) mode_inner[((((type))->base.code) == VECTOR_TYPE ? vector_type_mode (type) : (type)->type.mode)])) - MIN_MODE_DECIMAL_FLOAT) + (MAX_MODE_FLOAT - MIN_MODE_FLOAT + 1)) : (((((enum mode_class) mode_class[((((type))->base.code) == VECTOR_TYPE ? vector_type_mode (type) : (type)->type.mode)]) == MODE_DECIMAL_FLOAT) ? (((((type))->base.code) == VECTOR_TYPE ? vector_type_mode (type) : (type)->type.mode)) : ((enum machine_mode) mode_inner[((((type))->base.code) == VECTOR_TYPE ? vector_type_mode (type) : (type)->type.mode)])) - MIN_MODE_FLOAT)]))->has_nans) ));
+}
Testcases for the DOM changes. commit abf324bb826e59302aa8baa22763206536725974 Author: Jeff Law <law@redhat.com> Date: Mon Dec 7 22:43:53 2015 -0700 PR tree-optimization/68619 * gcc.dg/tree-ssa/pr68619-1.c: New test. * gcc.dg/tree-ssa/pr68619-2.c: New test. * gcc.dg/tree-ssa/pr68619-3.c: New test. * gcc.dg/tree-ssa/pr68619-4.c: New test. * gcc.dg/tree-ssa/pr68619-5.c: New test.