| /* { dg-do compile } */ |
| /* { dg-options "-O0 -dA -gbtf -mco-re" } */ |
| |
| enum { |
| FIELD_SIGNEDNESS = 3, |
| }; |
| |
| enum Esig { |
| SA = -1, |
| SB, |
| SC, |
| }; |
| |
| enum Eun { |
| UA = 0, |
| UB, |
| }; |
| |
| struct S { |
| enum Esig sig : 3; |
| enum Eun un : 3; |
| }; |
| |
| union U { |
| int i; |
| struct S s; |
| }; |
| |
| unsigned int foo (union U *u) |
| { |
| unsigned i = __builtin_preserve_field_info (u->i, FIELD_SIGNEDNESS); |
| unsigned sig = __builtin_preserve_field_info (u->s.sig, FIELD_SIGNEDNESS); |
| unsigned un = __builtin_preserve_field_info (u->s.un, FIELD_SIGNEDNESS); |
| |
| return i + sig + un; |
| } |
| |
| /* { dg-final { scan-assembler-times "\[\t \]mov\[\t \]%r\[0-9\],1" 2 } } */ |
| /* { dg-final { scan-assembler-times "\[\t \]mov\[\t \]%r\[0-9\],0" 1 } } */ |
| |
| /* { dg-final { scan-assembler-times "ascii \"0:0.0\"\[\t \]+\[^\n\]*btf_aux_string" 1 } } */ |
| /* { dg-final { scan-assembler-times "ascii \"0:1:0.0\"\[\t \]+\[^\n\]*btf_aux_string" 1 } } */ |
| /* { dg-final { scan-assembler-times "ascii \"0:1:1.0\"\[\t \]+\[^\n\]*btf_aux_string" 1 } } */ |
| |
| /* { dg-final { scan-assembler-times "3\[\t \]+\[^\n\]*bpfcr_kind" 3 } } */ |