The aarch64 argument ordering for the operands is big-endian, whereas the tcg argument ordering is little-endian. Use REG0 so that we honor the rZ constraints.
Fixes: 464c2969d5d Reported-by: Peter Maydell <peter.mayd...@linaro.org> Signed-off-by: Richard Henderson <richard.hender...@linaro.org> --- tcg/aarch64/tcg-target.inc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tcg/aarch64/tcg-target.inc.c b/tcg/aarch64/tcg-target.inc.c index b0f8106642..0713448bf5 100644 --- a/tcg/aarch64/tcg-target.inc.c +++ b/tcg/aarch64/tcg-target.inc.c @@ -2226,7 +2226,7 @@ static void tcg_out_op(TCGContext *s, TCGOpcode opc, case INDEX_op_extract2_i64: case INDEX_op_extract2_i32: - tcg_out_extr(s, ext, a0, a1, a2, args[3]); + tcg_out_extr(s, ext, a0, REG0(2), REG0(1), args[3]); break; case INDEX_op_add2_i32: -- 2.17.1