https://gcc.gnu.org/bugzilla/show_bug.cgi?id=15896
Eric Gallager <egallager at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |egallager at gcc dot gnu.org, | |pinskia at gcc dot gnu.org --- Comment #2 from Eric Gallager <egallager at gcc dot gnu.org> --- (In reply to Andrew Pinski from comment #1) > I don't know Ada that well (in terms of promotions and types) but the > following C code produces the > same ICE so I might assume the issue is that My_Type+constant is being > promoted to unsigned long > long or something along that line: > int f() > { > unsigned long long cu32 = 1; > asm("%0"::"a"(cu32)); > } Does this still happen with newer versions of GCC? I can't reproduce with gcc 7, but I'm assuming that's due to target differences; I get different messages depending on 32-bit or 64-bit, but neither of them are an ICE: $ gcc -c -m32 15896.c 15896.c: In function 'f': 15896.c:4:3: error: inconsistent operand constraints in an 'asm' asm("%0"::"a"(cu32)); ^~~ $ gcc -c -m64 15896.c 15896.c:4:Junk character 37 (%). 15896.c:4:Rest of line ignored. 1st junk character valued 114 (r). $