target: e2k: Add cmp{o,s,p}{s,d} instrs.
Fix cmpandp{s,d}b.
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5bdd9dcd3d
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42776dbe37
@ -799,35 +799,142 @@ static void gen_lzcntd(TCGv_i64 ret, TCGv_i64 src1) {
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tcg_gen_clzi_i64(ret, src1, 64);
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}
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static TCGCond e2k_gen_cmp_op(unsigned int cmp_op)
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{
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switch(cmp_op) {
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case 0: abort(); break;
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case 1: return TCG_COND_LTU; break;
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case 2: return TCG_COND_EQ; break;
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case 3: return TCG_COND_LEU; break;
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case 4: abort(); break;
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case 5: abort(); break;
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case 6: return TCG_COND_LT; break;
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case 7: return TCG_COND_LE; break;
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default: g_assert_not_reached(); break;
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}
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return TCG_COND_NEVER; /* unreachable */
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}
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static inline void gen_cmp_i32(TCGv_i32 ret, int opc,
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TCGv_i32 src1, TCGv_i32 src2)
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{
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TCGCond cond = e2k_gen_cmp_op(opc);
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tcg_gen_setcond_i32(cond, ret, src1, src2);
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}
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static inline void gen_cmp_i64(TCGv_i64 ret, int opc, TCGv_i64 src1,
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TCGv_i64 src2)
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{
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TCGCond cond = e2k_gen_cmp_op(opc);
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tcg_gen_setcond_i64(cond, ret, src1, src2);
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switch(opc) {
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case 0: { /* cmpodb */
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TCGv_i64 s2 = tcg_temp_new_i64();
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TCGv_i64 t0 = tcg_temp_new_i64();
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TCGv_i64 t1 = tcg_temp_new_i64();
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TCGv_i64 t2 = tcg_temp_new_i64();
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TCGv_i64 t3 = tcg_temp_new_i64();
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tcg_gen_not_i64(s2, src2);
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tcg_gen_sub_i64(t0, src1, src2);
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tcg_gen_xor_i64(t1, src1, t0);
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tcg_gen_xor_i64(t2, s2, t0);
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tcg_gen_and_i64(t3, t1, t2);
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tcg_gen_setcondi_i64(TCG_COND_LT, ret, t3, 0);
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tcg_temp_free_i64(t3);
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tcg_temp_free_i64(t2);
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tcg_temp_free_i64(t1);
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tcg_temp_free_i64(t0);
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tcg_temp_free_i64(s2);
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break;
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}
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case 1: /* cmpbdb */
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tcg_gen_setcond_i64(TCG_COND_LTU, ret, src1, src2);
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break;
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case 2: /* cmpedb */
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tcg_gen_setcond_i64(TCG_COND_EQ, ret, src1, src2);
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break;
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case 3: /* cmpbedb */
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tcg_gen_setcond_i64(TCG_COND_LEU, ret, src1, src2);
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break;
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case 4: { /* cmpsdb */
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TCGv_i64 t0 = tcg_temp_new_i64();
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tcg_gen_sub_i64(t0, src1, src2);
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tcg_gen_setcondi_i64(TCG_COND_LT, ret, t0, 0);
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tcg_temp_free_i64(t0);
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break;
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}
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case 5: { /* cmppdb */
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TCGv_i64 t0 = tcg_temp_new_i64();
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TCGv_i64 t1 = tcg_temp_new_i64();
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TCGv_i64 t2 = tcg_temp_new_i64();
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tcg_gen_sub_i64(t0, src1, src2);
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tcg_gen_ctpop_i64(t1, t0);
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tcg_gen_andi_i64(t2, t1, 1);
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tcg_gen_setcondi_i64(TCG_COND_EQ, ret, t2, 0);
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tcg_temp_free_i64(t2);
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tcg_temp_free_i64(t1);
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tcg_temp_free_i64(t0);
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break;
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}
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case 6: /* cmpldb */
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tcg_gen_setcond_i64(TCG_COND_LT, ret, src1, src2);
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break;
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case 7: /* cmpledb */
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tcg_gen_setcond_i64(TCG_COND_LE, ret, src1, src2);
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break;
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default:
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g_assert_not_reached();
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break;
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}
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}
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static inline void gen_cmp_i32(TCGv_i32 ret, int opc, TCGv_i32 src1,
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TCGv_i32 src2)
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{
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switch(opc) {
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case 0: { /* cmposb */
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TCGv_i32 s2 = tcg_temp_new_i32();
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TCGv_i32 t0 = tcg_temp_new_i32();
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TCGv_i32 t1 = tcg_temp_new_i32();
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TCGv_i32 t2 = tcg_temp_new_i32();
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TCGv_i32 t3 = tcg_temp_new_i32();
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tcg_gen_not_i32(s2, src2);
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tcg_gen_sub_i32(t0, src1, src2);
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tcg_gen_xor_i32(t1, src1, t0);
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tcg_gen_xor_i32(t2, s2, t0);
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tcg_gen_and_i32(t3, t1, t2);
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tcg_gen_setcondi_i32(TCG_COND_LT, ret, t3, 0);
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tcg_temp_free_i32(t3);
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tcg_temp_free_i32(t2);
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tcg_temp_free_i32(t1);
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tcg_temp_free_i32(t0);
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tcg_temp_free_i32(s2);
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break;
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}
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case 1: /* cmpbsb */
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tcg_gen_setcond_i32(TCG_COND_LTU, ret, src1, src2);
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break;
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case 2: /* cmpesb */
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tcg_gen_setcond_i32(TCG_COND_EQ, ret, src1, src2);
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break;
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case 3: /* cmpbesb */
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tcg_gen_setcond_i32(TCG_COND_LEU, ret, src1, src2);
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break;
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case 4: { /* cmpssb */
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TCGv_i32 t0 = tcg_temp_new_i32();
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tcg_gen_sub_i32(t0, src1, src2);
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tcg_gen_setcondi_i32(TCG_COND_LT, ret, t0, 0);
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tcg_temp_free_i32(t0);
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break;
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}
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case 5: { /* cmppsb */
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TCGv_i32 t0 = tcg_temp_new_i32();
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TCGv_i32 t1 = tcg_temp_new_i32();
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TCGv_i32 t2 = tcg_temp_new_i32();
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tcg_gen_sub_i32(t0, src1, src2);
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tcg_gen_ctpop_i32(t1, t0);
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tcg_gen_andi_i32(t2, t1, 1);
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tcg_gen_setcondi_i32(TCG_COND_EQ, ret, t2, 0);
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tcg_temp_free_i32(t2);
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tcg_temp_free_i32(t1);
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tcg_temp_free_i32(t0);
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break;
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}
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case 6: /* cmplsb */
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tcg_gen_setcond_i32(TCG_COND_LT, ret, src1, src2);
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break;
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case 7: /* cmplesb */
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tcg_gen_setcond_i32(TCG_COND_LE, ret, src1, src2);
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break;
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default:
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g_assert_not_reached();
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break;
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}
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}
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static inline void gen_cmpand_i64(TCGv_i64 ret, int opc, TCGv_i64 src1,
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@ -837,28 +944,25 @@ static inline void gen_cmpand_i64(TCGv_i64 ret, int opc, TCGv_i64 src1,
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tcg_gen_and_i64(t0, src1, src2);
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switch (opc) {
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case 2: /* is zero */
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case 2: /* cmpandedb */
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tcg_gen_setcondi_i64(TCG_COND_EQ, ret, t0, 0);
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break;
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case 4: /* is negative */
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case 4: /* cmpandsdb */
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tcg_gen_setcondi_i64(TCG_COND_LT, ret, t0, 0);
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break;
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case 5: { /* is odd and greater than 3 */
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case 5: { /* cmpandpdb */
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TCGv_i64 t1 = tcg_temp_new_i64();
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TCGv_i64 t2 = tcg_temp_new_i64();
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TCGv_i64 t3 = tcg_temp_new_i64();
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tcg_gen_andi_i64(t1, t0, 1);
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tcg_gen_setcondi_i64(TCG_COND_NE, t2, t1, 0);
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tcg_gen_setcondi_i64(TCG_COND_GTU, t3, t0, 2);
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tcg_gen_setcond_i64(TCG_COND_EQ, ret, t2, t3);
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tcg_gen_ctpop_i64(t1, t0);
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tcg_gen_andi_i64(t2, t1, 1);
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tcg_gen_setcondi_i64(TCG_COND_EQ, ret, t2, 0);
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tcg_temp_free_i64(t3);
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tcg_temp_free_i64(t2);
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tcg_temp_free_i64(t1);
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break;
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}
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case 7: /* signed less or equal 0 */
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case 7: /* cmpandledb */
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tcg_gen_setcondi_i64(TCG_COND_LE, ret, t0, 0);
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break;
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default:
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@ -876,28 +980,25 @@ static inline void gen_cmpand_i32(TCGv_i32 ret, int opc, TCGv_i32 src1,
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tcg_gen_and_i32(t0, src1, src2);
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switch (opc) {
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case 2: /* is zero */
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case 2: /* cmpandesb */
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tcg_gen_setcondi_i32(TCG_COND_EQ, ret, t0, 0);
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break;
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case 4: /* is negative */
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case 4: /* cmpandssb */
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tcg_gen_setcondi_i32(TCG_COND_LT, ret, t0, 0);
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break;
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case 5: { /* is odd and greater than 3 */
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case 5: { /* cmpandpsb */
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TCGv_i32 t1 = tcg_temp_new_i32();
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TCGv_i32 t2 = tcg_temp_new_i32();
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TCGv_i32 t3 = tcg_temp_new_i32();
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tcg_gen_andi_i32(t1, t0, 1);
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tcg_gen_setcondi_i32(TCG_COND_NE, t2, t1, 0);
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tcg_gen_setcondi_i32(TCG_COND_GTU, t3, t0, 2);
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tcg_gen_setcond_i32(TCG_COND_EQ, ret, t2, t3);
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tcg_gen_ctpop_i32(t1, t0);
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tcg_gen_andi_i32(t2, t1, 1);
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tcg_gen_setcondi_i32(TCG_COND_EQ, ret, t2, 0);
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tcg_temp_free_i32(t3);
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tcg_temp_free_i32(t2);
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tcg_temp_free_i32(t1);
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break;
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}
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case 7: /* signed less or equal 0 */
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case 7: /* cmpandlesb */
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tcg_gen_setcondi_i32(TCG_COND_LE, ret, t0, 0);
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break;
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default:
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