Add instructions of SRR opcode format. Add micro-op generator function for ssov.
Signed-off-by: Bastian Koppelmann <kbast...@mail.uni-paderborn.de> --- target-tricore/translate.c | 140 ++++++++++++++++++++++++++++++++++++++++++++- 1 file changed, 139 insertions(+), 1 deletion(-) diff --git a/target-tricore/translate.c b/target-tricore/translate.c index ad595b2..108619c 100644 --- a/target-tricore/translate.c +++ b/target-tricore/translate.c @@ -203,14 +203,34 @@ static void gen_shaci(TCGv ret, TCGv r1, int32_t con) tcg_temp_free(temp); } +static inline void gen_ssov(TCGv ret, TCGv arg, int32_t cons) +{ + int l1 = gen_new_label(); + TCGv temp = tcg_temp_local_new(); + int32_t max_pos = (0x1u << (cons - 1)) - 1; + int32_t max_neg = -(0x1u << (cons - 1)); + + tcg_gen_movi_tl(temp, max_pos); + tcg_gen_brcondi_tl(TCG_COND_GT, arg, max_pos, l1); + tcg_gen_movi_tl(temp, max_neg); + tcg_gen_brcondi_tl(TCG_COND_LT, arg, max_neg, l1); + tcg_gen_mov_tl(temp, arg); + gen_set_label(l1); + tcg_gen_mov_tl(ret, temp); + + tcg_temp_free(temp); +} + /* * Functions for decoding instructions */ static void decode_16Bit_opc(CPUTRICOREState *env, DisasContext *ctx) { target_ulong op1; - int r1; + int r1, r2; uint16_t const16; + TCGv temp; + op1 = MASK_OP_MAJOR(ctx->opcode); switch (op1) { @@ -294,6 +314,124 @@ static void decode_16Bit_opc(CPUTRICOREState *env, DisasContext *ctx) /* FIXME: const too long */ gen_shaci(cpu_gpr_d[r1], cpu_gpr_d[r1], const16 & 0x1f); break; +/* SRR-Format */ + case OPC1_16_SRR_ADD: + r2 = MASK_OP_SRR_S2(ctx->opcode); + r1 = MASK_OP_SRR_S1D(ctx->opcode); + tcg_gen_add_tl(cpu_gpr_d[r1], cpu_gpr_d[r1], cpu_gpr_d[r2]); + break; + case OPC1_16_SRR_ADD_A15: + r2 = MASK_OP_SRR_S2(ctx->opcode); + r1 = MASK_OP_SRR_S1D(ctx->opcode); + tcg_gen_add_tl(cpu_gpr_d[r1], cpu_gpr_d[15], cpu_gpr_d[r2]); + break; + case OPC1_16_SRR_ADD_15A: + r2 = MASK_OP_SRR_S2(ctx->opcode); + r1 = MASK_OP_SRR_S1D(ctx->opcode); + tcg_gen_add_tl(cpu_gpr_d[15], cpu_gpr_d[r1], cpu_gpr_d[r2]); + break; + case OPC1_16_SRR_ADD_A: + r2 = MASK_OP_SRR_S2(ctx->opcode); + r1 = MASK_OP_SRR_S1D(ctx->opcode); + tcg_gen_add_tl(cpu_gpr_a[r1], cpu_gpr_a[r1], cpu_gpr_a[r2]); + break; + case OPC1_16_SRR_ADDS: + r2 = MASK_OP_SRR_S2(ctx->opcode); + r1 = MASK_OP_SRR_S1D(ctx->opcode); + + temp = tcg_temp_local_new(); + tcg_gen_add_tl(temp, cpu_gpr_d[r1], cpu_gpr_d[r2]); + gen_ssov(cpu_gpr_d[r1], temp, 32); + tcg_temp_free(temp); + break; + case OPC1_16_SRR_AND: + r2 = MASK_OP_SRR_S2(ctx->opcode); + r1 = MASK_OP_SRR_S1D(ctx->opcode); + tcg_gen_and_tl(cpu_gpr_d[r1], cpu_gpr_d[r1], cpu_gpr_d[r2]); + break; + case OPC1_16_SRR_CMOV: + r2 = MASK_OP_SRR_S2(ctx->opcode); + r1 = MASK_OP_SRR_S1D(ctx->opcode); + gen_cond_mov(TCG_COND_EQ, cpu_gpr_d[r1], cpu_gpr_d[r2], + cpu_gpr_d[r1], cpu_gpr_d[15]); + break; + case OPC1_16_SRR_CMOVN: + r2 = MASK_OP_SRR_S2(ctx->opcode); + r1 = MASK_OP_SRR_S1D(ctx->opcode); + gen_cond_mov(TCG_COND_NE, cpu_gpr_d[r1], cpu_gpr_d[r2], + cpu_gpr_d[r1], cpu_gpr_d[15]); + break; + case OPC1_16_SRR_EQ: + r2 = MASK_OP_SRR_S2(ctx->opcode); + r1 = MASK_OP_SRR_S1D(ctx->opcode); + + tcg_gen_setcond_tl(TCG_COND_EQ, cpu_gpr_d[15], cpu_gpr_d[r1], + cpu_gpr_d[r2]); + break; + case OPC1_16_SRR_LT: + r1 = MASK_OP_SRR_S1D(ctx->opcode); + r2 = MASK_OP_SRR_S2(ctx->opcode); + tcg_gen_setcond_tl(TCG_COND_LT, cpu_gpr_d[15], cpu_gpr_d[r1], + cpu_gpr_d[r2]); + break; + case OPC1_16_SRR_MOV: + r2 = MASK_OP_SRR_S2(ctx->opcode); + r1 = MASK_OP_SRR_S1D(ctx->opcode); + tcg_gen_mov_tl(cpu_gpr_d[r1], cpu_gpr_d[r2]); + break; + case OPC1_16_SRR_MOV_A: + r2 = MASK_OP_SRR_S2(ctx->opcode); + r1 = MASK_OP_SRR_S1D(ctx->opcode); + tcg_gen_mov_tl(cpu_gpr_a[r1], cpu_gpr_d[r2]); + break; + case OPC1_16_SRR_MOV_AA: + r1 = MASK_OP_SRR_S2(ctx->opcode); + r2 = MASK_OP_SRR_S1D(ctx->opcode); + tcg_gen_mov_tl(cpu_gpr_a[r2], cpu_gpr_a[r1]); + break; + case OPC1_16_SRR_MOV_D: + r2 = MASK_OP_SRR_S2(ctx->opcode); + r1 = MASK_OP_SRR_S1D(ctx->opcode); + tcg_gen_mov_tl(cpu_gpr_d[r1], cpu_gpr_a[r2]); + break; + case OPC1_16_SRR_MUL: + r1 = MASK_OP_SRR_S1D(ctx->opcode); + r2 = MASK_OP_SRR_S2(ctx->opcode); + tcg_gen_mul_tl(cpu_gpr_d[r1], cpu_gpr_d[r1], cpu_gpr_d[r2]); + break; + case OPC1_16_SRR_OR: + r2 = MASK_OP_SRR_S2(ctx->opcode); + r1 = MASK_OP_SRR_S1D(ctx->opcode); + tcg_gen_or_tl(cpu_gpr_d[r1], cpu_gpr_d[r1], cpu_gpr_d[r2]); + break; + case OPC1_16_SRR_SUB: + r2 = MASK_OP_SRR_S2(ctx->opcode); + r1 = MASK_OP_SRR_S1D(ctx->opcode); + tcg_gen_sub_tl(cpu_gpr_d[r1], cpu_gpr_d[r1], cpu_gpr_d[r2]); + break; + case OPC1_16_SRR_SUB_A15B: + r1 = MASK_OP_SRR_S1D(ctx->opcode); + r2 = MASK_OP_SRR_S2(ctx->opcode); + tcg_gen_sub_tl(cpu_gpr_d[r1], cpu_gpr_d[15], cpu_gpr_d[r2]); + break; + case OPC1_16_SRR_SUB_15AB: + r2 = MASK_OP_SRR_S2(ctx->opcode); + r1 = MASK_OP_SRR_S1D(ctx->opcode); + tcg_gen_sub_tl(cpu_gpr_d[15], cpu_gpr_d[r1], cpu_gpr_d[r2]); + break; + case OPC1_16_SRR_SUBS: + r1 = MASK_OP_SRR_S1D(ctx->opcode); + r2 = MASK_OP_SRR_S2(ctx->opcode); + temp = tcg_temp_local_new(); + tcg_gen_sub_tl(temp, cpu_gpr_d[r1], cpu_gpr_d[r2]); + gen_ssov(cpu_gpr_d[r1], temp, 32); + tcg_temp_free(temp); + break; + case OPC1_16_SRR_XOR: + r1 = MASK_OP_SRR_S1D(ctx->opcode); + r2 = MASK_OP_SRR_S2(ctx->opcode); + tcg_gen_xor_tl(cpu_gpr_d[r1], cpu_gpr_d[r1], cpu_gpr_d[r2]); + break; } } -- 2.0.1