https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63361
--- Comment #8 from Bernd Edlinger <bernd.edlinger at hotmail dot de> --- It looks like -m32 simply generates less diagnostics than with -m64, this has probably nothing to do with pentium2. gcc -m32 -fsanitize=float-cast-overflow -O2 float-cast-overflow-1.c ./a.out 2> test-32.txt gcc -m64 -fsanitize=float-cast-overflow -O2 float-cast-overflow-1.c ./a.out 2> test-64.txt diff -u test-32.txt test-64.txt --- test-32.txt 2017-07-15 19:50:01.758377541 +0200 +++ test-64.txt 2017-07-15 19:50:17.444378403 +0200 @@ -79,6 +79,11 @@ float-cast-overflow-1.c:80:3: runtime error: value 9.22337e+18 is outside the range of representable values of type 'long long int' float-cast-overflow-1.c:80:3: runtime error: value 9.22337e+18 is outside the range of representable values of type 'long long int' float-cast-overflow-1.c:80:3: runtime error: value 9.22337e+18 is outside the range of representable values of type 'long long int' +float-cast-overflow-1.c:80:3: runtime error: value 9.22337e+18 is outside the range of representable values of type 'long long int' +float-cast-overflow-1.c:80:3: runtime error: value 9.22337e+18 is outside the range of representable values of type 'long long int' +float-cast-overflow-1.c:80:3: runtime error: value 9.22337e+18 is outside the range of representable values of type 'long long int' +float-cast-overflow-1.c:80:3: runtime error: value 9.22337e+18 is outside the range of representable values of type 'long long int' +float-cast-overflow-1.c:80:3: runtime error: value 9.22337e+18 is outside the range of representable values of type 'long long int' float-cast-overflow-1.c:81:3: runtime error: value nan is outside the range of representable values of type 'long long int' float-cast-overflow-1.c:81:3: runtime error: value -nan is outside the range of representable values of type 'long long int' float-cast-overflow-1.c:81:3: runtime error: value inf is outside the range of representable values of type 'long long int' @@ -86,6 +91,10 @@ float-cast-overflow-1.c:85:3: runtime error: value 1.84467e+19 is outside the range of representable values of type 'long long unsigned int' float-cast-overflow-1.c:85:3: runtime error: value 1.84467e+19 is outside the range of representable values of type 'long long unsigned int' float-cast-overflow-1.c:85:3: runtime error: value 1.84467e+19 is outside the range of representable values of type 'long long unsigned int' +float-cast-overflow-1.c:85:3: runtime error: value 1.84467e+19 is outside the range of representable values of type 'long long unsigned int' +float-cast-overflow-1.c:85:3: runtime error: value 1.84467e+19 is outside the range of representable values of type 'long long unsigned int' +float-cast-overflow-1.c:85:3: runtime error: value 1.84467e+19 is outside the range of representable values of type 'long long unsigned int' +float-cast-overflow-1.c:85:3: runtime error: value 1.84467e+19 is outside the range of representable values of type 'long long unsigned int' float-cast-overflow-1.c:85:3: runtime error: value 1.84467e+19 is outside the range of representable values of type 'long long unsigned int' float-cast-overflow-1.c:85:3: runtime error: value 1.84467e+19 is outside the range of representable values of type 'long long unsigned int' float-cast-overflow-1.c:85:3: runtime error: value 1.84467e+19 is outside the range of representable values of type 'long long unsigned int'
