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-rw-r--r--target-tricore/translate.c182
1 files changed, 182 insertions, 0 deletions
diff --git a/target-tricore/translate.c b/target-tricore/translate.c
index 57949fa6c6..5e9eb283c5 100644
--- a/target-tricore/translate.c
+++ b/target-tricore/translate.c
@@ -987,6 +987,119 @@ static inline void gen_maddsui_32(TCGv ret, TCGv r1, TCGv r2, int32_t con)
tcg_temp_free(temp);
}
+static void
+gen_mul_q(TCGv rl, TCGv rh, TCGv arg1, TCGv arg2, uint32_t n, uint32_t up_shift)
+{
+ TCGv temp = tcg_temp_new();
+ TCGv_i64 temp_64 = tcg_temp_new_i64();
+ TCGv_i64 temp2_64 = tcg_temp_new_i64();
+
+ if (n == 0) {
+ if (up_shift == 32) {
+ tcg_gen_muls2_tl(rh, rl, arg1, arg2);
+ } else if (up_shift == 16) {
+ tcg_gen_ext_i32_i64(temp_64, arg1);
+ tcg_gen_ext_i32_i64(temp2_64, arg2);
+
+ tcg_gen_mul_i64(temp_64, temp_64, temp2_64);
+ tcg_gen_shri_i64(temp_64, temp_64, up_shift);
+ tcg_gen_extr_i64_i32(rl, rh, temp_64);
+ } else {
+ tcg_gen_muls2_tl(rl, rh, arg1, arg2);
+ }
+ /* reset v bit */
+ tcg_gen_movi_tl(cpu_PSW_V, 0);
+ } else { /* n is exspected to be 1 */
+ tcg_gen_ext_i32_i64(temp_64, arg1);
+ tcg_gen_ext_i32_i64(temp2_64, arg2);
+
+ tcg_gen_mul_i64(temp_64, temp_64, temp2_64);
+
+ if (up_shift == 0) {
+ tcg_gen_shli_i64(temp_64, temp_64, 1);
+ } else {
+ tcg_gen_shri_i64(temp_64, temp_64, up_shift - 1);
+ }
+ tcg_gen_extr_i64_i32(rl, rh, temp_64);
+ /* overflow only occours if r1 = r2 = 0x8000 */
+ if (up_shift == 0) {/* result is 64 bit */
+ tcg_gen_setcondi_tl(TCG_COND_EQ, cpu_PSW_V, rh,
+ 0x80000000);
+ } else { /* result is 32 bit */
+ tcg_gen_setcondi_tl(TCG_COND_EQ, cpu_PSW_V, rl,
+ 0x80000000);
+ }
+ tcg_gen_shli_tl(cpu_PSW_V, cpu_PSW_V, 31);
+ /* calc sv overflow bit */
+ tcg_gen_or_tl(cpu_PSW_SV, cpu_PSW_SV, cpu_PSW_V);
+ }
+ /* calc av overflow bit */
+ if (up_shift == 0) {
+ tcg_gen_add_tl(cpu_PSW_AV, rh, rh);
+ tcg_gen_xor_tl(cpu_PSW_AV, rh, cpu_PSW_AV);
+ } else {
+ tcg_gen_add_tl(cpu_PSW_AV, rl, rl);
+ tcg_gen_xor_tl(cpu_PSW_AV, rl, cpu_PSW_AV);
+ }
+ /* calc sav overflow bit */
+ tcg_gen_or_tl(cpu_PSW_SAV, cpu_PSW_SAV, cpu_PSW_AV);
+ tcg_temp_free(temp);
+ tcg_temp_free_i64(temp_64);
+ tcg_temp_free_i64(temp2_64);
+}
+
+static void
+gen_mul_q_16(TCGv ret, TCGv arg1, TCGv arg2, uint32_t n)
+{
+ TCGv temp = tcg_temp_new();
+ if (n == 0) {
+ tcg_gen_mul_tl(ret, arg1, arg2);
+ } else { /* n is exspected to be 1 */
+ tcg_gen_mul_tl(ret, arg1, arg2);
+ tcg_gen_shli_tl(ret, ret, 1);
+ /* catch special case r1 = r2 = 0x8000 */
+ tcg_gen_setcondi_tl(TCG_COND_EQ, temp, ret, 0x80000000);
+ tcg_gen_sub_tl(ret, ret, temp);
+ }
+ /* reset v bit */
+ tcg_gen_movi_tl(cpu_PSW_V, 0);
+ /* calc av overflow bit */
+ tcg_gen_add_tl(cpu_PSW_AV, ret, ret);
+ tcg_gen_xor_tl(cpu_PSW_AV, ret, cpu_PSW_AV);
+ /* calc sav overflow bit */
+ tcg_gen_or_tl(cpu_PSW_SAV, cpu_PSW_SAV, cpu_PSW_AV);
+
+ tcg_temp_free(temp);
+}
+
+static void gen_mulr_q(TCGv ret, TCGv arg1, TCGv arg2, uint32_t n)
+{
+ TCGv temp = tcg_temp_new();
+ if (n == 0) {
+ tcg_gen_mul_tl(ret, arg1, arg2);
+ tcg_gen_addi_tl(ret, ret, 0x8000);
+ } else {
+ tcg_gen_mul_tl(ret, arg1, arg2);
+ tcg_gen_shli_tl(ret, ret, 1);
+ tcg_gen_addi_tl(ret, ret, 0x8000);
+ /* catch special case r1 = r2 = 0x8000 */
+ tcg_gen_setcondi_tl(TCG_COND_EQ, temp, ret, 0x80008000);
+ tcg_gen_muli_tl(temp, temp, 0x8001);
+ tcg_gen_sub_tl(ret, ret, temp);
+ }
+ /* reset v bit */
+ tcg_gen_movi_tl(cpu_PSW_V, 0);
+ /* calc av overflow bit */
+ tcg_gen_add_tl(cpu_PSW_AV, ret, ret);
+ tcg_gen_xor_tl(cpu_PSW_AV, ret, cpu_PSW_AV);
+ /* calc sav overflow bit */
+ tcg_gen_or_tl(cpu_PSW_SAV, cpu_PSW_SAV, cpu_PSW_AV);
+ /* cut halfword off */
+ tcg_gen_andi_tl(ret, ret, 0xffff0000);
+
+ tcg_temp_free(temp);
+}
+
static inline void
gen_maddsi_64(TCGv ret_low, TCGv ret_high, TCGv r1, TCGv r2_low, TCGv r2_high,
int32_t con)
@@ -4779,6 +4892,72 @@ static void decode_rr1_mul(CPUTriCoreState *env, DisasContext *ctx)
tcg_temp_free(n);
}
+static void decode_rr1_mulq(CPUTriCoreState *env, DisasContext *ctx)
+{
+ uint32_t op2;
+ int r1, r2, r3;
+ uint32_t n;
+
+ TCGv temp, temp2;
+
+ r1 = MASK_OP_RR1_S1(ctx->opcode);
+ r2 = MASK_OP_RR1_S2(ctx->opcode);
+ r3 = MASK_OP_RR1_D(ctx->opcode);
+ n = MASK_OP_RR1_N(ctx->opcode);
+ op2 = MASK_OP_RR1_OP2(ctx->opcode);
+
+ temp = tcg_temp_new();
+ temp2 = tcg_temp_new();
+
+ switch (op2) {
+ case OPC2_32_RR1_MUL_Q_32:
+ gen_mul_q(cpu_gpr_d[r3], temp, cpu_gpr_d[r1], cpu_gpr_d[r2], n, 32);
+ break;
+ case OPC2_32_RR1_MUL_Q_64:
+ gen_mul_q(cpu_gpr_d[r3], cpu_gpr_d[r3+1], cpu_gpr_d[r1], cpu_gpr_d[r2],
+ n, 0);
+ break;
+ case OPC2_32_RR1_MUL_Q_32_L:
+ tcg_gen_ext16s_tl(temp, cpu_gpr_d[r2]);
+ gen_mul_q(cpu_gpr_d[r3], temp, cpu_gpr_d[r1], temp, n, 16);
+ break;
+ case OPC2_32_RR1_MUL_Q_64_L:
+ tcg_gen_ext16s_tl(temp, cpu_gpr_d[r2]);
+ gen_mul_q(cpu_gpr_d[r3], cpu_gpr_d[r3+1], cpu_gpr_d[r1], temp, n, 0);
+ break;
+ case OPC2_32_RR1_MUL_Q_32_U:
+ tcg_gen_sari_tl(temp, cpu_gpr_d[r2], 16);
+ gen_mul_q(cpu_gpr_d[r3], temp, cpu_gpr_d[r1], temp, n, 16);
+ break;
+ case OPC2_32_RR1_MUL_Q_64_U:
+ tcg_gen_sari_tl(temp, cpu_gpr_d[r2], 16);
+ gen_mul_q(cpu_gpr_d[r3], cpu_gpr_d[r3+1], cpu_gpr_d[r1], temp, n, 0);
+ break;
+ case OPC2_32_RR1_MUL_Q_32_LL:
+ tcg_gen_ext16s_tl(temp, cpu_gpr_d[r1]);
+ tcg_gen_ext16s_tl(temp2, cpu_gpr_d[r2]);
+ gen_mul_q_16(cpu_gpr_d[r3], temp, temp2, n);
+ break;
+ case OPC2_32_RR1_MUL_Q_32_UU:
+ tcg_gen_sari_tl(temp, cpu_gpr_d[r1], 16);
+ tcg_gen_sari_tl(temp2, cpu_gpr_d[r2], 16);
+ gen_mul_q_16(cpu_gpr_d[r3], temp, temp2, n);
+ break;
+ case OPC2_32_RR1_MULR_Q_32_L:
+ tcg_gen_ext16s_tl(temp, cpu_gpr_d[r1]);
+ tcg_gen_ext16s_tl(temp2, cpu_gpr_d[r2]);
+ gen_mulr_q(cpu_gpr_d[r3], temp, temp2, n);
+ break;
+ case OPC2_32_RR1_MULR_Q_32_U:
+ tcg_gen_sari_tl(temp, cpu_gpr_d[r1], 16);
+ tcg_gen_sari_tl(temp2, cpu_gpr_d[r2], 16);
+ gen_mulr_q(cpu_gpr_d[r3], temp, temp2, n);
+ break;
+ }
+ tcg_temp_free(temp);
+ tcg_temp_free(temp2);
+}
+
static void decode_32Bit_opc(CPUTriCoreState *env, DisasContext *ctx)
{
int op1;
@@ -5036,6 +5215,9 @@ static void decode_32Bit_opc(CPUTriCoreState *env, DisasContext *ctx)
case OPCM_32_RR1_MUL:
decode_rr1_mul(env, ctx);
break;
+ case OPCM_32_RR1_MULQ:
+ decode_rr1_mulq(env, ctx);
+ break;
}
}
generated by cgit v1.2.3 (git 2.26.2) at 2024-12-14 16:09:38 +0000