diff --git a/tcg/arm/tcg-target.c b/tcg/arm/tcg-target.c index 3e03598a73..c4cae8a3bc 100644 --- a/tcg/arm/tcg-target.c +++ b/tcg/arm/tcg-target.c @@ -295,10 +295,19 @@ static inline void tcg_out_dat_reg2(TCGContext *s, int cond, int opc0, int opc1, int rd0, int rd1, int rn0, int rn1, int rm0, int rm1, int shift) { - tcg_out32(s, (cond << 28) | (0 << 25) | (opc0 << 21) | (1 << 20) | - (rn0 << 16) | (rd0 << 12) | shift | rm0); - tcg_out32(s, (cond << 28) | (0 << 25) | (opc1 << 21) | - (rn1 << 16) | (rd1 << 12) | shift | rm1); + if (rd0 == rn1 || rd0 == rm1) { + tcg_out32(s, (cond << 28) | (0 << 25) | (opc0 << 21) | (1 << 20) | + (rn0 << 16) | (8 << 12) | shift | rm0); + tcg_out32(s, (cond << 28) | (0 << 25) | (opc1 << 21) | + (rn1 << 16) | (rd1 << 12) | shift | rm1); + tcg_out_dat_reg(s, cond, ARITH_MOV, + rd0, 0, TCG_REG_R8, SHIFT_IMM_LSL(0)); + } else { + tcg_out32(s, (cond << 28) | (0 << 25) | (opc0 << 21) | (1 << 20) | + (rn0 << 16) | (rd0 << 12) | shift | rm0); + tcg_out32(s, (cond << 28) | (0 << 25) | (opc1 << 21) | + (rn1 << 16) | (rd1 << 12) | shift | rm1); + } } static inline void tcg_out_dat_imm(TCGContext *s,