Bug in GCC 2.2.2

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1 total messages Started by Michael I Bushnell Thu, 10 Sep 1992 13:21

#1114

Author: Michael I Bushnell
Date: Thu, 10 Sep 1992 13:21

36 lines
931 bytes

The following source file:

void
foo (short a, short b)
{
  void do_1(), do_2();
  
  if ((a | ((int)b << 16)) & 01000)
    do_1 ();
  else
    do_2 ();
}

      

Generates the following warning (with -Wall):

foo.c:6: warning: shift count exceeds width of value shifted

Near as I can tell, this is incorrect; the value being shifted is a
thirty-two bit integer.

The following source file does not generate the warning:

void
foo (short a, short b)
{
  void do_1();
  
  do_1 (a | ((int)b << 16));
}

      


	-mib

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