[Bug target/110908] [aarch64] Internal compiler error when using -ffixed-x30

[pinskia at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110908

--- Comment #3 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
This is most likely the fix:
diff --git a/gcc/config/aarch64/aarch64.cc b/gcc/config/aarch64/aarch64.cc
index 7cd230c4602..4d26c8789ce 100644
--- a/gcc/config/aarch64/aarch64.cc
+++ b/gcc/config/aarch64/aarch64.cc
@@ -8470,7 +8470,8 @@ aarch64_layout_frame (void)
   /* ... and any callee saved register that dataflow says is live.  */
   for (regno = R0_REGNUM; regno <= R30_REGNUM; regno++)
     if (df_regs_ever_live_p (regno)
-       && !fixed_regs[regno]
+       && (regno == R30_REGNUM
+           || !fixed_regs[regno])
        && (regno == R30_REGNUM
            || !crtl->abi->clobbers_full_reg_p (regno)))
       frame.reg_offset[regno] = SLOT_REQUIRED;