On 05/04/2016 11:08 AM, Laurent Vivier wrote:
+ if (m68k_feature(s->env, M68K_FEATURE_M68000)) {
+ if (sign) {
+ tcg_gen_muls2_i32(QREG_CC_N, QREG_CC_V, src1, DREG(ext, 12));
+ } else {
+ tcg_gen_mulu2_i32(QREG_CC_N, QREG_CC_V, src1, DREG(ext, 12));
+ }
+ tcg_gen_mov_i32(DREG(ext, 12), QREG_CC_N);
+
+ tcg_gen_mov_i32(QREG_CC_Z, QREG_CC_N);
+ tcg_gen_movi_i32(QREG_CC_C, 0);
+
+ set_cc_op(s, CC_OP_FLAGS);
Unsigned overflow requires -(QREG_CC_V != 0).
Signed overflow requires -(QREG_CC_V != (QREG_CC_N >> 31)).
r~
