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predict.h (PROB_LIKELY): Fix the value.
* predict.h (PROB_LIKELY): Fix the value. * internal-fn.c (ubsan_expand_si_overflow_mul_check): Add support for overflow checking for modes without 2xwider supported mode, if the mode has 2xnarrower mode. * c-c++-common/ubsan/overflow-mul-3.c: New test. * c-c++-common/ubsan/overflow-mul-4.c: New test. From-SVN: r206026
This commit is contained in:
Jakub Jelinek
Jakub Jelinek
parent
9728643162
commit
d5fa9cc994
@ -1,5 +1,10 @@
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2013-12-16 Jakub Jelinek <jakub@redhat.com>
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* predict.h (PROB_LIKELY): Fix the value.
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* internal-fn.c (ubsan_expand_si_overflow_mul_check): Add support
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for overflow checking for modes without 2xwider supported mode,
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if the mode has 2xnarrower mode.
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* internal-fn.c: Include stringpool.h and tree-ssanames.h.
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(ubsan_expand_si_overflow_addsub_check): In the generic expansion,
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try to improve generated code if one of the arguments is constant
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@ -436,6 +436,8 @@ ubsan_expand_si_overflow_mul_check (gimple stmt)
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if (icode == CODE_FOR_nothing)
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{
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struct separate_ops ops;
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enum machine_mode hmode
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= mode_for_size (GET_MODE_PRECISION (mode) / 2, MODE_INT, 1);
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ops.op0 = arg0;
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ops.op1 = arg1;
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ops.op2 = NULL_TREE;
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@ -462,10 +464,295 @@ ubsan_expand_si_overflow_mul_check (gimple stmt)
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emit_cmp_and_jump_insns (signbit, hipart, EQ, NULL_RTX, mode,
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false, done_label, PROB_VERY_LIKELY);
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}
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else if (hmode != BLKmode
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&& 2 * GET_MODE_PRECISION (hmode) == GET_MODE_PRECISION (mode))
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{
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rtx large_op0 = gen_label_rtx ();
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rtx small_op0_large_op1 = gen_label_rtx ();
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rtx one_small_one_large = gen_label_rtx ();
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rtx both_ops_large = gen_label_rtx ();
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rtx after_hipart_neg = gen_label_rtx ();
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rtx after_lopart_neg = gen_label_rtx ();
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rtx do_overflow = gen_label_rtx ();
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rtx hipart_different = gen_label_rtx ();
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int hprec = GET_MODE_PRECISION (hmode);
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rtx hipart0 = expand_shift (RSHIFT_EXPR, mode, op0, hprec,
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NULL_RTX, 0);
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hipart0 = gen_lowpart (hmode, hipart0);
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rtx lopart0 = gen_lowpart (hmode, op0);
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rtx signbit0 = expand_shift (RSHIFT_EXPR, hmode, lopart0, hprec - 1,
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NULL_RTX, 0);
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rtx hipart1 = expand_shift (RSHIFT_EXPR, mode, op1, hprec,
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NULL_RTX, 0);
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hipart1 = gen_lowpart (hmode, hipart1);
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rtx lopart1 = gen_lowpart (hmode, op1);
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rtx signbit1 = expand_shift (RSHIFT_EXPR, hmode, lopart1, hprec - 1,
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NULL_RTX, 0);
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res = gen_reg_rtx (mode);
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/* True if op0 resp. op1 are known to be in the range of
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halfstype. */
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bool op0_small_p = false;
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bool op1_small_p = false;
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/* True if op0 resp. op1 are known to have all zeros or all ones
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in the upper half of bits, but are not known to be
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op{0,1}_small_p. */
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bool op0_medium_p = false;
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bool op1_medium_p = false;
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/* -1 if op{0,1} is known to be negative, 0 if it is known to be
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nonnegative, 1 if unknown. */
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int op0_sign = 1;
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int op1_sign = 1;
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if (TREE_CODE (arg0) == SSA_NAME)
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{
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double_int arg0_min, arg0_max;
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if (get_range_info (arg0, &arg0_min, &arg0_max) == VR_RANGE)
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{
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if (arg0_max.sle (double_int::max_value (hprec, false))
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&& double_int::min_value (hprec, false).sle (arg0_min))
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op0_small_p = true;
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else if (arg0_max.sle (double_int::max_value (hprec, true))
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&& (~double_int::max_value (hprec,
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true)).sle (arg0_min))
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op0_medium_p = true;
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if (!arg0_min.is_negative ())
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op0_sign = 0;
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else if (arg0_max.is_negative ())
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op0_sign = -1;
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}
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}
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if (TREE_CODE (arg1) == SSA_NAME)
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{
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double_int arg1_min, arg1_max;
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if (get_range_info (arg1, &arg1_min, &arg1_max) == VR_RANGE)
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{
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if (arg1_max.sle (double_int::max_value (hprec, false))
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&& double_int::min_value (hprec, false).sle (arg1_min))
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op1_small_p = true;
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else if (arg1_max.sle (double_int::max_value (hprec, true))
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&& (~double_int::max_value (hprec,
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true)).sle (arg1_min))
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op1_medium_p = true;
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if (!arg1_min.is_negative ())
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op1_sign = 0;
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else if (arg1_max.is_negative ())
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op1_sign = -1;
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}
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}
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int smaller_sign = 1;
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int larger_sign = 1;
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if (op0_small_p)
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{
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smaller_sign = op0_sign;
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larger_sign = op1_sign;
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}
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else if (op1_small_p)
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{
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smaller_sign = op1_sign;
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larger_sign = op0_sign;
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}
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else if (op0_sign == op1_sign)
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{
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smaller_sign = op0_sign;
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larger_sign = op0_sign;
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}
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if (!op0_small_p)
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emit_cmp_and_jump_insns (signbit0, hipart0, NE, NULL_RTX, hmode,
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false, large_op0, PROB_UNLIKELY);
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if (!op1_small_p)
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emit_cmp_and_jump_insns (signbit1, hipart1, NE, NULL_RTX, hmode,
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false, small_op0_large_op1,
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PROB_UNLIKELY);
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/* If both op0 and op1 are sign extended from hmode to mode,
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the multiplication will never overflow. We can do just one
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hmode x hmode => mode widening multiplication. */
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if (GET_CODE (lopart0) == SUBREG)
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{
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SUBREG_PROMOTED_VAR_P (lopart0) = 1;
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SUBREG_PROMOTED_UNSIGNED_SET (lopart0, 0);
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}
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if (GET_CODE (lopart1) == SUBREG)
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{
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SUBREG_PROMOTED_VAR_P (lopart1) = 1;
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SUBREG_PROMOTED_UNSIGNED_SET (lopart1, 0);
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}
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tree halfstype = build_nonstandard_integer_type (hprec, 0);
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ops.op0 = make_tree (halfstype, lopart0);
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ops.op1 = make_tree (halfstype, lopart1);
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ops.code = WIDEN_MULT_EXPR;
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ops.type = TREE_TYPE (arg0);
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rtx thisres
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= expand_expr_real_2 (&ops, NULL_RTX, mode, EXPAND_NORMAL);
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emit_move_insn (res, thisres);
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emit_jump (done_label);
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emit_label (small_op0_large_op1);
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/* If op0 is sign extended from hmode to mode, but op1 is not,
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just swap the arguments and handle it as op1 sign extended,
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op0 not. */
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rtx larger = gen_reg_rtx (mode);
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rtx hipart = gen_reg_rtx (hmode);
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rtx lopart = gen_reg_rtx (hmode);
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emit_move_insn (larger, op1);
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emit_move_insn (hipart, hipart1);
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emit_move_insn (lopart, lopart0);
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emit_jump (one_small_one_large);
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emit_label (large_op0);
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if (!op1_small_p)
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emit_cmp_and_jump_insns (signbit1, hipart1, NE, NULL_RTX, hmode,
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false, both_ops_large, PROB_UNLIKELY);
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/* If op1 is sign extended from hmode to mode, but op0 is not,
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prepare larger, hipart and lopart pseudos and handle it together
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with small_op0_large_op1. */
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emit_move_insn (larger, op0);
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emit_move_insn (hipart, hipart0);
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emit_move_insn (lopart, lopart1);
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emit_label (one_small_one_large);
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/* lopart is the low part of the operand that is sign extended
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to mode, larger is the the other operand, hipart is the
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high part of larger and lopart0 and lopart1 are the low parts
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of both operands.
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We perform lopart0 * lopart1 and lopart * hipart widening
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multiplications. */
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tree halfutype = build_nonstandard_integer_type (hprec, 1);
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ops.op0 = make_tree (halfutype, lopart0);
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ops.op1 = make_tree (halfutype, lopart1);
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rtx lo0xlo1
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= expand_expr_real_2 (&ops, NULL_RTX, mode, EXPAND_NORMAL);
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ops.op0 = make_tree (halfutype, lopart);
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ops.op1 = make_tree (halfutype, hipart);
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rtx loxhi = gen_reg_rtx (mode);
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rtx tem = expand_expr_real_2 (&ops, NULL_RTX, mode, EXPAND_NORMAL);
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emit_move_insn (loxhi, tem);
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/* if (hipart < 0) loxhi -= lopart << (bitsize / 2); */
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if (larger_sign == 0)
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emit_jump (after_hipart_neg);
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else if (larger_sign != -1)
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emit_cmp_and_jump_insns (hipart, const0_rtx, GE, NULL_RTX, hmode,
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false, after_hipart_neg, PROB_EVEN);
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tem = expand_shift (LSHIFT_EXPR, mode, lopart, hprec, NULL_RTX, 1);
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tem = expand_simple_binop (mode, MINUS, loxhi, tem, NULL_RTX,
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1, OPTAB_DIRECT);
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emit_move_insn (loxhi, tem);
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emit_label (after_hipart_neg);
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/* if (lopart < 0) loxhi -= larger; */
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if (smaller_sign == 0)
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emit_jump (after_lopart_neg);
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else if (smaller_sign != -1)
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emit_cmp_and_jump_insns (lopart, const0_rtx, GE, NULL_RTX, hmode,
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false, after_lopart_neg, PROB_EVEN);
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tem = expand_simple_binop (mode, MINUS, loxhi, larger, NULL_RTX,
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1, OPTAB_DIRECT);
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emit_move_insn (loxhi, tem);
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emit_label (after_lopart_neg);
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/* loxhi += (uns) lo0xlo1 >> (bitsize / 2); */
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tem = expand_shift (RSHIFT_EXPR, mode, lo0xlo1, hprec, NULL_RTX, 1);
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tem = expand_simple_binop (mode, PLUS, loxhi, tem, NULL_RTX,
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1, OPTAB_DIRECT);
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emit_move_insn (loxhi, tem);
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/* if (loxhi >> (bitsize / 2)
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== (hmode) loxhi >> (bitsize / 2 - 1)) */
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rtx hipartloxhi = expand_shift (RSHIFT_EXPR, mode, loxhi, hprec,
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NULL_RTX, 0);
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hipartloxhi = gen_lowpart (hmode, hipartloxhi);
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rtx lopartloxhi = gen_lowpart (hmode, loxhi);
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rtx signbitloxhi = expand_shift (RSHIFT_EXPR, hmode, lopartloxhi,
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hprec - 1, NULL_RTX, 0);
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emit_cmp_and_jump_insns (signbitloxhi, hipartloxhi, NE, NULL_RTX,
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hmode, false, do_overflow,
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PROB_VERY_UNLIKELY);
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/* res = (loxhi << (bitsize / 2)) | (hmode) lo0xlo1; */
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rtx loxhishifted = expand_shift (LSHIFT_EXPR, mode, loxhi, hprec,
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NULL_RTX, 1);
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tem = convert_modes (mode, hmode, gen_lowpart (hmode, lo0xlo1), 1);
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tem = expand_simple_binop (mode, IOR, loxhishifted, tem, res,
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1, OPTAB_DIRECT);
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if (tem != res)
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emit_move_insn (res, tem);
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emit_jump (done_label);
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emit_label (both_ops_large);
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/* If both operands are large (not sign extended from hmode),
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then perform the full multiplication which will be the result
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of the operation. The only cases which don't overflow are
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some cases where both hipart0 and highpart1 are 0 or -1. */
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ops.code = MULT_EXPR;
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ops.op0 = make_tree (TREE_TYPE (arg0), op0);
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ops.op1 = make_tree (TREE_TYPE (arg0), op1);
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tem = expand_expr_real_2 (&ops, NULL_RTX, mode, EXPAND_NORMAL);
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emit_move_insn (res, tem);
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if (!op0_medium_p)
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{
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tem = expand_simple_binop (hmode, PLUS, hipart0, const1_rtx,
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NULL_RTX, 1, OPTAB_DIRECT);
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emit_cmp_and_jump_insns (tem, const1_rtx, GTU, NULL_RTX, hmode,
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true, do_error, PROB_VERY_UNLIKELY);
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}
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if (!op1_medium_p)
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{
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tem = expand_simple_binop (hmode, PLUS, hipart1, const1_rtx,
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NULL_RTX, 1, OPTAB_DIRECT);
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emit_cmp_and_jump_insns (tem, const1_rtx, GTU, NULL_RTX, hmode,
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true, do_error, PROB_VERY_UNLIKELY);
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}
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/* At this point hipart{0,1} are both in [-1, 0]. If they are the
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same, overflow happened if res is negative, if they are different,
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overflow happened if res is positive. */
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if (op0_sign != 1 && op1_sign != 1 && op0_sign != op1_sign)
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emit_jump (hipart_different);
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else if (op0_sign == 1 || op1_sign == 1)
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emit_cmp_and_jump_insns (hipart0, hipart1, NE, NULL_RTX, hmode,
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true, hipart_different, PROB_EVEN);
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emit_cmp_and_jump_insns (res, const0_rtx, LT, NULL_RTX, mode, false,
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do_error, PROB_VERY_UNLIKELY);
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emit_jump (done_label);
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emit_label (hipart_different);
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emit_cmp_and_jump_insns (res, const0_rtx, GE, NULL_RTX, mode, false,
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do_error, PROB_VERY_UNLIKELY);
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emit_jump (done_label);
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emit_label (do_overflow);
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/* Overflow, do full multiplication and fallthru into do_error. */
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ops.op0 = make_tree (TREE_TYPE (arg0), op0);
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ops.op1 = make_tree (TREE_TYPE (arg0), op1);
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tem = expand_expr_real_2 (&ops, NULL_RTX, mode, EXPAND_NORMAL);
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emit_move_insn (res, tem);
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}
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else
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{
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/* For now we don't instrument this. See __mulvDI3 in libgcc2.c
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for what could be done. */
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ops.code = MULT_EXPR;
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ops.type = TREE_TYPE (arg0);
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res = expand_expr_real_2 (&ops, NULL_RTX, mode, EXPAND_NORMAL);
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@ -28,7 +28,7 @@ along with GCC; see the file COPYING3. If not see
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#define PROB_VERY_LIKELY (REG_BR_PROB_BASE - PROB_VERY_UNLIKELY)
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#define PROB_ALWAYS (REG_BR_PROB_BASE)
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#define PROB_UNLIKELY (REG_BR_PROB_BASE / 5 - 1)
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#define PROB_LIKELY (PROB_ALWAYS - PROB_VERY_LIKELY)
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#define PROB_LIKELY (REG_BR_PROB_BASE - PROB_UNLIKELY)
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#define DEF_PREDICTOR(ENUM, NAME, HITRATE, FLAGS) ENUM,
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enum br_predictor
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@ -1,5 +1,8 @@
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2013-12-16 Jakub Jelinek <jakub@redhat.com>
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|
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* c-c++-common/ubsan/overflow-mul-3.c: New test.
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* c-c++-common/ubsan/overflow-mul-4.c: New test.
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PR libgomp/59337
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* gfortran.dg/gomp/pr59337.f90: New test.
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39
gcc/testsuite/c-c++-common/ubsan/overflow-mul-3.c
Normal file
39
gcc/testsuite/c-c++-common/ubsan/overflow-mul-3.c
Normal file
@ -0,0 +1,39 @@
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/* { dg-do run } */
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/* { dg-options "-fsanitize=signed-integer-overflow" } */
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/* { dg-skip-if "" { *-*-* } { "-flto" } { "" } } */
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__attribute__((noinline, noclone)) long long
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mul (long long x, long long y)
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{
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return x * y;
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}
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long long tab[] = {
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0x7fffffffLL, 0x7fffffffLL, 0x3fffffff00000001LL,
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-0x80000000LL, -0x80000000LL, 0x4000000000000000LL,
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0x7fffffffLL, -0x80000000LL, -0x3fffffff80000000LL,
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-0x80000000LL, 0x7fffffffLL, -0x3fffffff80000000LL,
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3LL, 5LL, 15LL,
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-3LL, -9LL, 27LL,
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6LL, -7LL, -42LL,
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-12LL, 13LL, -156LL,
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0x1555555555555555LL, 6LL, 0x7ffffffffffffffeLL,
|
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-0x1555555555555555LL, -6LL, 0x7ffffffffffffffeLL,
|
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0x1555555555555555LL, -6LL, -0x7ffffffffffffffeLL,
|
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-0x1555555555555555LL, 6LL, -0x7ffffffffffffffeLL,
|
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0x81234567LL, 0xfdbe971fLL, 0x7fffffffbea72879LL,
|
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-0x81234567LL, -0xfdbe971fLL, 0x7fffffffbea72879LL,
|
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0x81234567LL, -0xfdbe971fLL, -0x7fffffffbea72879LL,
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-0x81234567LL, 0xfdbe971fLL, -0x7fffffffbea72879LL
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};
|
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int
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main ()
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{
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unsigned int i;
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for (i = 0; i < sizeof (tab) / sizeof (long long); i += 3)
|
||||
if (mul (tab[i], tab[i + 1]) != tab[i + 2]
|
||||
|| mul (tab[i + 1], tab[i]) != tab[i + 2])
|
||||
__builtin_abort ();
|
||||
return 0;
|
||||
}
|
||||
86
gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c
Normal file
86
gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c
Normal file
@ -0,0 +1,86 @@
|
||||
/* { dg-do run } */
|
||||
/* { dg-options "-fsanitize=signed-integer-overflow" } */
|
||||
/* { dg-skip-if "" { *-*-* } { "-flto" } { "" } } */
|
||||
|
||||
int
|
||||
main ()
|
||||
{
|
||||
#define MUL_WITH_CHECK(xv, yv, zv) \
|
||||
do { \
|
||||
long long x = xv; \
|
||||
long long y = yv; \
|
||||
long long z; \
|
||||
asm ("" : "+g" (x)); \
|
||||
asm ("" : "+g" (y)); \
|
||||
z = x * y; \
|
||||
asm ("" : "+g" (z)); \
|
||||
if (z != zv) \
|
||||
__builtin_abort (); \
|
||||
} while (0)
|
||||
MUL_WITH_CHECK (0x1555555555555556LL, 6LL, -0x7ffffffffffffffcLL);
|
||||
MUL_WITH_CHECK (-0x1555555555555556LL, -6LL, -0x7ffffffffffffffcLL);
|
||||
MUL_WITH_CHECK (0x1555555555555556LL, -6LL, 0x7ffffffffffffffcLL);
|
||||
MUL_WITH_CHECK (-0x1555555555555556LL, 6LL, 0x7ffffffffffffffcLL);
|
||||
MUL_WITH_CHECK (0x81234568LL, 0xfdbe971fLL, -0x7fffffff439a4068LL);
|
||||
MUL_WITH_CHECK (-0x81234568LL, -0xfdbe971fLL, -0x7fffffff439a4068LL);
|
||||
MUL_WITH_CHECK (0x81234568LL, -0xfdbe971fLL, 0x7fffffff439a4068LL);
|
||||
MUL_WITH_CHECK (-0x81234568LL, 0xfdbe971fLL, 0x7fffffff439a4068LL);
|
||||
MUL_WITH_CHECK (0x1555555555555555LL, 7LL, -0x6aaaaaaaaaaaaaadLL);
|
||||
MUL_WITH_CHECK (-0x1555555555555555LL, -7LL, -0x6aaaaaaaaaaaaaadLL);
|
||||
MUL_WITH_CHECK (0x1555555555555555LL, -7LL, 0x6aaaaaaaaaaaaaadLL);
|
||||
MUL_WITH_CHECK (-0x1555555555555555LL, 7LL, 0x6aaaaaaaaaaaaaadLL);
|
||||
MUL_WITH_CHECK (0x81234567LL, 0xfdbe9720LL, -0x7fffffffc0359220LL);
|
||||
MUL_WITH_CHECK (-0x81234567LL, -0xfdbe9720LL, -0x7fffffffc0359220LL);
|
||||
MUL_WITH_CHECK (0x81234567LL, -0xfdbe9720LL, 0x7fffffffc0359220LL);
|
||||
MUL_WITH_CHECK (-0x81234567LL, 0xfdbe9720LL, 0x7fffffffc0359220LL);
|
||||
MUL_WITH_CHECK (6LL, 0x1555555555555556LL, -0x7ffffffffffffffcLL);
|
||||
MUL_WITH_CHECK (-6LL, -0x1555555555555556LL, -0x7ffffffffffffffcLL);
|
||||
MUL_WITH_CHECK (-6LL, 0x1555555555555556LL, 0x7ffffffffffffffcLL);
|
||||
MUL_WITH_CHECK (6LL, -0x1555555555555556LL, 0x7ffffffffffffffcLL);
|
||||
MUL_WITH_CHECK (0xfdbe971fLL, 0x81234568LL, -0x7fffffff439a4068LL);
|
||||
MUL_WITH_CHECK (-0xfdbe971fLL, -0x81234568LL, -0x7fffffff439a4068LL);
|
||||
MUL_WITH_CHECK (-0xfdbe971fLL, 0x81234568LL, 0x7fffffff439a4068LL);
|
||||
MUL_WITH_CHECK (0xfdbe971fLL, -0x81234568LL, 0x7fffffff439a4068LL);
|
||||
MUL_WITH_CHECK (7LL, 0x1555555555555555LL, -0x6aaaaaaaaaaaaaadLL);
|
||||
MUL_WITH_CHECK (-7LL, -0x1555555555555555LL, -0x6aaaaaaaaaaaaaadLL);
|
||||
MUL_WITH_CHECK (-7LL, 0x1555555555555555LL, 0x6aaaaaaaaaaaaaadLL);
|
||||
MUL_WITH_CHECK (7LL, -0x1555555555555555LL, 0x6aaaaaaaaaaaaaadLL);
|
||||
MUL_WITH_CHECK (0xfdbe9720LL, 0x81234567LL, -0x7fffffffc0359220LL);
|
||||
MUL_WITH_CHECK (-0xfdbe9720LL, -0x81234567LL, -0x7fffffffc0359220LL);
|
||||
MUL_WITH_CHECK (-0xfdbe9720LL, 0x81234567LL, 0x7fffffffc0359220LL);
|
||||
MUL_WITH_CHECK (0xfdbe9720LL, -0x81234567LL, 0x7fffffffc0359220LL);
|
||||
return 0;
|
||||
}
|
||||
|
||||
/* { dg-output "overflow-mul-4.c:20:\[^\n\r]*signed integer overflow: 1537228672809129302 \\* 6 cannot be represented in type 'long long int'(\n|\r\n|\r)" } */
|
||||
/* { dg-output "\[^\n\r]*overflow-mul-4.c:21:\[^\n\r]*signed integer overflow: -1537228672809129302 \\* -6 cannot be represented in type 'long long int'(\n|\r\n|\r)" } */
|
||||
/* { dg-output "\[^\n\r]*overflow-mul-4.c:22:\[^\n\r]*signed integer overflow: 1537228672809129302 \\* -6 cannot be represented in type 'long long int'(\n|\r\n|\r)" } */
|
||||
/* { dg-output "\[^\n\r]*overflow-mul-4.c:23:\[^\n\r]*signed integer overflow: -1537228672809129302 \\* 6 cannot be represented in type 'long long int'(\n|\r\n|\r)" } */
|
||||
/* { dg-output "\[^\n\r]*overflow-mul-4.c:24:\[^\n\r]*signed integer overflow: 2166572392 \\* 4257126175 cannot be represented in type 'long long int'(\n|\r\n|\r)" } */
|
||||
/* { dg-output "\[^\n\r]*overflow-mul-4.c:25:\[^\n\r]*signed integer overflow: -2166572392 \\* -4257126175 cannot be represented in type 'long long int'(\n|\r\n|\r)" } */
|
||||
/* { dg-output "\[^\n\r]*overflow-mul-4.c:26:\[^\n\r]*signed integer overflow: 2166572392 \\* -4257126175 cannot be represented in type 'long long int'(\n|\r\n|\r)" } */
|
||||
/* { dg-output "\[^\n\r]*overflow-mul-4.c:27:\[^\n\r]*signed integer overflow: -2166572392 \\* 4257126175 cannot be represented in type 'long long int'(\n|\r\n|\r)" } */
|
||||
/* { dg-output "\[^\n\r]*overflow-mul-4.c:28:\[^\n\r]*signed integer overflow: 1537228672809129301 \\* 7 cannot be represented in type 'long long int'(\n|\r\n|\r)" } */
|
||||
/* { dg-output "\[^\n\r]*overflow-mul-4.c:29:\[^\n\r]*signed integer overflow: -1537228672809129301 \\* -7 cannot be represented in type 'long long int'(\n|\r\n|\r)" } */
|
||||
/* { dg-output "\[^\n\r]*overflow-mul-4.c:30:\[^\n\r]*signed integer overflow: 1537228672809129301 \\* -7 cannot be represented in type 'long long int'(\n|\r\n|\r)" } */
|
||||
/* { dg-output "\[^\n\r]*overflow-mul-4.c:31:\[^\n\r]*signed integer overflow: -1537228672809129301 \\* 7 cannot be represented in type 'long long int'(\n|\r\n|\r)" } */
|
||||
/* { dg-output "\[^\n\r]*overflow-mul-4.c:32:\[^\n\r]*signed integer overflow: 2166572391 \\* 4257126176 cannot be represented in type 'long long int'(\n|\r\n|\r)" } */
|
||||
/* { dg-output "\[^\n\r]*overflow-mul-4.c:33:\[^\n\r]*signed integer overflow: -2166572391 \\* -4257126176 cannot be represented in type 'long long int'(\n|\r\n|\r)" } */
|
||||
/* { dg-output "\[^\n\r]*overflow-mul-4.c:34:\[^\n\r]*signed integer overflow: 2166572391 \\* -4257126176 cannot be represented in type 'long long int'(\n|\r\n|\r)" } */
|
||||
/* { dg-output "\[^\n\r]*overflow-mul-4.c:35:\[^\n\r]*signed integer overflow: -2166572391 \\* 4257126176 cannot be represented in type 'long long int'(\n|\r\n|\r)" } */
|
||||
/* { dg-output "\[^\n\r]*overflow-mul-4.c:36:\[^\n\r]*signed integer overflow: 6 \\* 1537228672809129302 cannot be represented in type 'long long int'(\n|\r\n|\r)" } */
|
||||
/* { dg-output "\[^\n\r]*overflow-mul-4.c:37:\[^\n\r]*signed integer overflow: -6 \\* -1537228672809129302 cannot be represented in type 'long long int'(\n|\r\n|\r)" } */
|
||||
/* { dg-output "\[^\n\r]*overflow-mul-4.c:38:\[^\n\r]*signed integer overflow: -6 \\* 1537228672809129302 cannot be represented in type 'long long int'(\n|\r\n|\r)" } */
|
||||
/* { dg-output "\[^\n\r]*overflow-mul-4.c:39:\[^\n\r]*signed integer overflow: 6 \\* -1537228672809129302 cannot be represented in type 'long long int'(\n|\r\n|\r)" } */
|
||||
/* { dg-output "\[^\n\r]*overflow-mul-4.c:40:\[^\n\r]*signed integer overflow: 4257126175 \\* 2166572392 cannot be represented in type 'long long int'(\n|\r\n|\r)" } */
|
||||
/* { dg-output "\[^\n\r]*overflow-mul-4.c:41:\[^\n\r]*signed integer overflow: -4257126175 \\* -2166572392 cannot be represented in type 'long long int'(\n|\r\n|\r)" } */
|
||||
/* { dg-output "\[^\n\r]*overflow-mul-4.c:42:\[^\n\r]*signed integer overflow: -4257126175 \\* 2166572392 cannot be represented in type 'long long int'(\n|\r\n|\r)" } */
|
||||
/* { dg-output "\[^\n\r]*overflow-mul-4.c:43:\[^\n\r]*signed integer overflow: 4257126175 \\* -2166572392 cannot be represented in type 'long long int'(\n|\r\n|\r)" } */
|
||||
/* { dg-output "\[^\n\r]*overflow-mul-4.c:44:\[^\n\r]*signed integer overflow: 7 \\* 1537228672809129301 cannot be represented in type 'long long int'(\n|\r\n|\r)" } */
|
||||
/* { dg-output "\[^\n\r]*overflow-mul-4.c:45:\[^\n\r]*signed integer overflow: -7 \\* -1537228672809129301 cannot be represented in type 'long long int'(\n|\r\n|\r)" } */
|
||||
/* { dg-output "\[^\n\r]*overflow-mul-4.c:46:\[^\n\r]*signed integer overflow: -7 \\* 1537228672809129301 cannot be represented in type 'long long int'(\n|\r\n|\r)" } */
|
||||
/* { dg-output "\[^\n\r]*overflow-mul-4.c:47:\[^\n\r]*signed integer overflow: 7 \\* -1537228672809129301 cannot be represented in type 'long long int'(\n|\r\n|\r)" } */
|
||||
/* { dg-output "\[^\n\r]*overflow-mul-4.c:48:\[^\n\r]*signed integer overflow: 4257126176 \\* 2166572391 cannot be represented in type 'long long int'(\n|\r\n|\r)" } */
|
||||
/* { dg-output "\[^\n\r]*overflow-mul-4.c:49:\[^\n\r]*signed integer overflow: -4257126176 \\* -2166572391 cannot be represented in type 'long long int'(\n|\r\n|\r)" } */
|
||||
/* { dg-output "\[^\n\r]*overflow-mul-4.c:50:\[^\n\r]*signed integer overflow: -4257126176 \\* 2166572391 cannot be represented in type 'long long int'(\n|\r\n|\r)" } */
|
||||
/* { dg-output "\[^\n\r]*overflow-mul-4.c:51:\[^\n\r]*signed integer overflow: 4257126176 \\* -2166572391 cannot be represented in type 'long long int'(\n|\r\n|\r)" } */
|
||||
Loading…
x
Reference in New Issue
Block a user