As Robin suggested, remove gimple_uid check which is sufficient for our need.
Tested on both RV32/RV64 no regression, ok for trunk ?
gcc/ChangeLog:
* config/riscv/riscv-vector-costs.cc (loop_invariant_op_p): Fix loop
invariant check.
---
gcc/config/riscv/riscv-vector-costs.cc | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/gcc/config/riscv/riscv-vector-costs.cc
b/gcc/config/riscv/riscv-vector-costs.cc
index 3bae581d6fd..f4a1a789f23 100644
--- a/gcc/config/riscv/riscv-vector-costs.cc
+++ b/gcc/config/riscv/riscv-vector-costs.cc
@@ -241,7 +241,7 @@ loop_invariant_op_p (class loop *loop,
if (SSA_NAME_IS_DEFAULT_DEF (op)
|| !flow_bb_inside_loop_p (loop, gimple_bb (SSA_NAME_DEF_STMT (op
return true;
- return gimple_uid (SSA_NAME_DEF_STMT (op)) & 1;
+ return false;
}
/* Return true if the variable should be counted into liveness. */
--
2.36.3
