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- --- a/gcc/config/mips/mips.c
- +++ b/gcc/config/mips/mips.c
- @@ -8001,9 +8001,17 @@ mask_low_and_shift_p (machine_mode mode,
- bool
- and_operands_ok (machine_mode mode, rtx op1, rtx op2)
- {
- - return (memory_operand (op1, mode)
- - ? and_load_operand (op2, mode)
- - : and_reg_operand (op2, mode));
- + if (!memory_operand (op1, mode))
- + return and_reg_operand (op2, mode);
- +
- + if (!and_load_operand (op2, mode))
- + return false;
- +
- + if (!TARGET_MIPS16 || si_mask_operand(op2, mode))
- + return true;
- +
- + op1 = XEXP (op1, 0);
- + return !(REG_P (op1) && REGNO (op1) == STACK_POINTER_REGNUM);
- }
-
- /* The canonical form of a mask-low-and-shift-left operation is
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