[RFC PATCH 2/3] bitint: Allow wider abi_limb_mode than limb_mode during layout

[Yang Yujie]

gcc/ChangeLog:

        * stor-layout.cc (layout_type): Allow limb_mode to be DImode
        while abi_limb_mode is TImode for _BitInt(N), N > 64.
---
 gcc/stor-layout.cc | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/gcc/stor-layout.cc b/gcc/stor-layout.cc
index 18b5af56124..75997f531c1 100644
--- a/gcc/stor-layout.cc
+++ b/gcc/stor-layout.cc
@@ -2480,7 +2480,8 @@ layout_type (tree type)
        if (TYPE_PRECISION (type) <= GET_MODE_PRECISION (limb_mode))
          {
            SET_TYPE_MODE (type, limb_mode);
-           gcc_assert (info.abi_limb_mode == info.limb_mode);
+           gcc_assert (info.abi_limb_mode == info.limb_mode
+                       || !info.big_endian == !WORDS_BIG_ENDIAN);
            cnt = 1;
          }
        else
-- 
2.34.1