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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [gcc/] [testsuite/] [gcc.c-torture/] [compile/] [981006-1.c] - Rev 323
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/* Test that tablejump insns are correctly handled. If the compiler loses track of the jump targets, it will report that x and y can be used uninitialized. This is broken in egcs 1998/10/06 for mips in pic mode. */ /* { dg-do assemble } */ /* For MIPS at least, pic is needed to trigger the problem. */ /* { dg-options "-w -Wuninitialized -Werror -fpic" } */ /* { dg-options "-w -Wuninitialized -Werror" { target { { rs6000-*-aix* powerpc*-*-aix* arm*-*-* fr30-*-* sh-*-hms h8300*-*-* cris-*-elf* mmix-*-* } || { ! fpic } } } } */ int foo (int a, int b) { __label__ z; int x; /* { dg-bogus "warning: `.' might be used uninitialized in this function" } */ int y; /* { dg-bogus "warning: `.' might be used uninitialized in this function" } */ static void *p; switch (a) { case 2: x = 4; break; case 4: x = 6; break; case 8: case 10: case 13: case 11: case 17: case 19: x = 7; break; default: x = -1; break; } switch (b) { case 2: y = 4; break; case 4: y = 6; break; case 8: case 10: case 13: case 11: case 17: case 19: y = 7; break; default: y = -1; break; } z: p = &&z; return x * y; } int main (int argc, char *argv[]) { return 1 == foo (argc, argc + 1); }
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