diff options
| -rw-r--r-- | gcc/ChangeLog | 2 | ||||
| -rw-r--r-- | gcc/config/alpha/alpha.c | 7 |
2 files changed, 8 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 8ea8d35..9082c2b 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,5 +1,7 @@ 2001-12-23 Richard Henderson <rth@redhat.com> + * config/alpha/alpha.c (call_operand) [OSF]: Disallow virtual regs. + * config/alpha/alpha.md (UNSPEC_SIBCALL): New. (sibcall, sibcall_value, sibcall_osf_1_er, sibcall_osf_1): Use it. (sibcall_value_osf_1_er, sibcall_value_osf_1): Likewise. diff --git a/gcc/config/alpha/alpha.c b/gcc/config/alpha/alpha.c index ce5b58e..a88f977 100644 --- a/gcc/config/alpha/alpha.c +++ b/gcc/config/alpha/alpha.c @@ -1008,7 +1008,12 @@ call_operand (op, mode) if (GET_CODE (op) == REG) { if (TARGET_ABI_OSF) - return (REGNO (op) == 27 || REGNO (op) >= FIRST_PSEUDO_REGISTER); + { + /* Disallow virtual registers to cope with pathalogical test cases + such as compile/930117-1.c in which the virtual reg decomposes + to the frame pointer. Which is a hard reg that is not $27. */ + return (REGNO (op) == 27 || REGNO (op) > LAST_VIRTUAL_REGISTER); + } else return 1; } |