Newsgroups: gnu.gcc.bug Path: utzoo!utgpu!jarvis.csri.toronto.edu!turing.toronto.edu!chuck From: chuck@turing.toronto.edu (Charles Pilkington) Subject: GCC 1.31 mangles structure assignment on the SPARC Message-ID: <88Dec8.145929est.4327@turing.toronto.edu> Organization: University of Toronto, CSRI Distribution: na Date: Thu, 8 Dec 88 14:59:15 EST /* program illustrating problem with gcc structure assignment on the SPARC - structure assignment code uses load and store double, which craps out if structure is not on a double word boundary. */ struct s1 { int s1_foo1; int s1_foo2; }; struct s2 { struct s1 s2_first; /* this struct is on a double-word boundary */ int s2_1; struct s1 s2_second; /* ... and this struct is not */ }; struct s1 foo1; struct s2 foo2; main() { foo2.s2_first = foo1; printf("we should get here\n"); foo2.s2_second = foo1; printf("we should get here if structure assignment works\n"); } -- Chuck Pilkington Computer Systems Research Institute University of Toronto Usenet: {linus, ihnp4, allegra, decvax, floyd}!utcsri!chuck CSNET: chuck@Toronto ARPA: chuck%Toronto@CSNet-Relay