/* Darwin (Mac OS X) pragma exercises. */ /* { dg-do run { target powerpc-*-darwin* } } */ /* { dg-options "-O -Wunused" } */ /* The mark pragma is to help decorate IDEs. */ extern void abort(void); #pragma mark hey hey ho /* The options pragma used to do a lot, now it's only for emulating m68k alignment rules in structs. */ #pragma options 23 /* { dg-error "malformed '#pragma options'" } */ #pragma options align /* { dg-error "malformed '#pragma options'" } */ #pragma options align natural /* { dg-error "malformed '#pragma options'" } */ #pragma options align=45 /* { dg-error "malformed '#pragma options'" } */ #pragma options align=foo /* { dg-error "malformed '#pragma options align" } */ #ifndef __LP64__ #pragma options align=mac68k struct s1 { short f1; int f2; }; #endif #pragma options align=power struct s2 { short f1; int f2; }; #ifndef __LP64__ #pragma options align=mac68k struct s3 { short f1; int f2; }; #endif #pragma options align=reset struct s4 { short f1; int f2; }; #pragma options align=natural foo /* { dg-warning "junk at end of '#pragma options'" } */ /* { dg-warning "malformed '#pragma options align={mac68k|power|reset}', ignoring" "ignoring" { target *-*-* } 34 } */ /* Segment pragmas don't do anything anymore. */ #pragma segment foo int main () { int x, z; /* { dg-warning "unused variable 'z'" } */ #pragma unused (x, y) #ifndef __LP64__ if (sizeof (struct s1) != 6) abort (); #endif if (sizeof (struct s2) != 8) abort (); #ifndef __LP64__ if (sizeof (struct s3) != 6) abort (); #endif if (sizeof (struct s4) != 8) abort (); return 0; } void unused_err_test () { int a, b; /* Trying to match on '(' or ')' gives regexp headaches, use . instead. */ #pragma unused /* { dg-error "missing '.' after '#pragma unused" } */ #pragma unused (a /* { dg-error "missing '.' after '#pragma unused" } */ #pragma unused (b) foo /* { dg-warning "junk at end of '#pragma unused'" } */ }