Bring back 64-bit move splitting for loongarch32. The code was removed
in commit 16fc26d4e7a (`LoongArch: Support split symbol.`) for unknown
reason.
gcc/ChangeLog:
* config/loongarch/loongarch.md: Handle move splitting for
64-bit operands.
---
gcc/config/loongarch/loongarch.md | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/gcc/config/loongarch/loongarch.md
b/gcc/config/loongarch/loongarch.md
index 93d8bf5bcca..9eb6bb75c35 100644
--- a/gcc/config/loongarch/loongarch.md
+++ b/gcc/config/loongarch/loongarch.md
@@ -1965,6 +1965,16 @@
[(set_attr "move_type" "move,load,store")
(set_attr "mode" "DF")])
+(define_split
+ [(set (match_operand:MOVE64 0 "nonimmediate_operand")
+ (match_operand:MOVE64 1 "move_operand"))]
+ "reload_completed && loongarch_split_move_p (operands[0], operands[1])"
+ [(const_int 0)]
+{
+ loongarch_split_move (operands[0], operands[1], curr_insn);
+ DONE;
+})
+
;; Emit a doubleword move in which exactly one of the operands is
;; a floating-point register. We can't just emit two normal moves
;; because of the constraints imposed by the FPU register model;
--
2.41.0
