(simplify_binary_operation, case *SHIFT*): Reduce arg1 as
defined by SHIFT_COUNT_TRUNCATED. From-SVN: r6296
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792089b33e
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4d61f8c559
15
gcc/cse.c
15
gcc/cse.c
@ -3844,12 +3844,9 @@ simplify_binary_operation (code, mode, op0, op1)
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#ifdef SHIFT_COUNT_TRUNCATED
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if (SHIFT_COUNT_TRUNCATED)
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arg1 &= (BITS_PER_WORD - 1);
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arg1 %= width;
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#endif
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if (arg1 >= width)
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return 0;
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val = ((unsigned HOST_WIDE_INT) arg0) >> arg1;
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break;
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@ -3860,12 +3857,9 @@ simplify_binary_operation (code, mode, op0, op1)
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#ifdef SHIFT_COUNT_TRUNCATED
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if (SHIFT_COUNT_TRUNCATED)
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arg1 &= (BITS_PER_WORD - 1);
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arg1 %= width;
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#endif
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if (arg1 >= width)
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return 0;
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val = ((unsigned HOST_WIDE_INT) arg0) << arg1;
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break;
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@ -3875,12 +3869,9 @@ simplify_binary_operation (code, mode, op0, op1)
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#ifdef SHIFT_COUNT_TRUNCATED
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if (SHIFT_COUNT_TRUNCATED)
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arg1 &= (BITS_PER_WORD - 1);
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arg1 %= width;
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#endif
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if (arg1 >= width)
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return 0;
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val = arg0s >> arg1;
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/* Bootstrap compiler may not have sign extended the right shift.
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