diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 2cf855f2060..ffce5549153 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,7 @@ +2002-02-15 Richard Sandiford + + * gcc.c-torture/execute/20020215-1.c: New test. + 2002-02-14 Jakub Jelinek * g++.dg/dg.exp: Exclude debug subdir, it has its own .exp. diff --git a/gcc/testsuite/gcc.c-torture/execute/20020215-1.c b/gcc/testsuite/gcc.c-torture/execute/20020215-1.c new file mode 100644 index 00000000000..f1f46d57d08 --- /dev/null +++ b/gcc/testsuite/gcc.c-torture/execute/20020215-1.c @@ -0,0 +1,33 @@ +/* Test failed on an architecture that: + + - had 16-bit registers, + - passed 64-bit structures in registers, + - only allowed SImode values in even numbered registers. + + Before reload, s.i2 in foo() was represented as: + + (subreg:SI (reg:DI 0) 2) + + find_dummy_reload would return (reg:SI 1) for the subreg reload, + despite that not being a valid register. */ + +struct s +{ + short i1; + long i2; + short i3; +}; + +struct s foo (struct s s) +{ + s.i2++; + return s; +} + +int main () +{ + struct s s = foo ((struct s) { 1000, 2000L, 3000 }); + if (s.i1 != 1000 || s.i2 != 2001L || s.i3 != 3000) + abort (); + exit (0); +}