diff options
| -rw-r--r-- | gcc/config/riscv/riscv.cc | 4 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.target/riscv/pr112478.c | 8 |
2 files changed, 12 insertions, 0 deletions
diff --git a/gcc/config/riscv/riscv.cc b/gcc/config/riscv/riscv.cc index e466d4f..aada6ac 100644 --- a/gcc/config/riscv/riscv.cc +++ b/gcc/config/riscv/riscv.cc @@ -5825,6 +5825,10 @@ riscv_save_return_addr_reg_p (void) if (riscv_far_jump_used_p ()) return true; + /* We need to save it if anyone has used that. */ + if (df_regs_ever_live_p (RETURN_ADDR_REGNUM)) + return true; + /* Need not to use ra for leaf when frame pointer is turned off by option whatever the omit-leaf-frame's value. */ if (frame_pointer_needed && crtl->is_leaf diff --git a/gcc/testsuite/gcc.target/riscv/pr112478.c b/gcc/testsuite/gcc.target/riscv/pr112478.c new file mode 100644 index 0000000..0bbde20 --- /dev/null +++ b/gcc/testsuite/gcc.target/riscv/pr112478.c @@ -0,0 +1,8 @@ +/* { dg-do compile } */ +/* { dg-options "-ffat-lto-objects" } */ + +void foo() { + asm volatile("# " : ::"ra"); +} + +/* { dg-final { scan-assembler "s(w|d)\[ \t\]*ra" } } */ |