Add instructions of SBC and SBRN opcode format. Signed-off-by: Bastian Koppelmann <kbast...@mail.uni-paderborn.de>
Reviewed-by: Richard Henderson <r...@twiddle.net> --- target-tricore/translate.c | 36 ++++++++++++++++++++++++++++++++++++ 1 file changed, 36 insertions(+) diff --git a/target-tricore/translate.c b/target-tricore/translate.c index ffc524b..6cbfe89 100644 --- a/target-tricore/translate.c +++ b/target-tricore/translate.c @@ -365,6 +365,8 @@ static inline void gen_branch_condi(DisasContext *ctx, int cond, TCGv r1, static void gen_compute_branch(DisasContext *ctx, uint32_t opc, int r1, int r2 , int32_t constant , int32_t offset) { + TCGv temp; + switch (opc) { /* SB-format jumps */ case OPC1_16_SB_J: @@ -380,6 +382,26 @@ static void gen_compute_branch(DisasContext *ctx, uint32_t opc, int r1, case OPC1_16_SB_JNZ: gen_branch_condi(ctx, TCG_COND_NE, cpu_gpr_d[15], 0, offset); break; +/* SBC-format jumps */ + case OPC1_16_SBC_JEQ: + gen_branch_condi(ctx, TCG_COND_NE, cpu_gpr_d[15], constant, offset); + break; + case OPC1_16_SBC_JNE: + gen_branch_condi(ctx, TCG_COND_NE, cpu_gpr_d[15], constant, offset); + break; +/* SBRN-format jumps */ + case OPC1_16_SBRN_JZ_T: + temp = tcg_temp_new(); + tcg_gen_andi_tl(temp, cpu_gpr_d[15], 0x1u << constant); + gen_branch_condi(ctx, TCG_COND_EQ, temp, 0, offset); + tcg_temp_free(temp); + break; + case OPC1_16_SBRN_JNZ_T: + temp = tcg_temp_new(); + tcg_gen_andi_tl(temp, cpu_gpr_d[15], 0x1u << constant); + gen_branch_condi(ctx, TCG_COND_NE, temp, 0, offset); + tcg_temp_free(temp); + break; default: printf("Branch Error at %x\n", ctx->pc); } @@ -683,6 +705,20 @@ static void decode_16Bit_opc(CPUTRICOREState *env, DisasContext *ctx) address = MASK_OP_SB_DISP8_SEXT(ctx->opcode); gen_compute_branch(ctx, op1, 0, 0, 0, address); break; +/* SBC-format */ + case OPC1_16_SBC_JEQ: + case OPC1_16_SBC_JNE: + address = MASK_OP_SBC_DISP4(ctx->opcode); + const16 = MASK_OP_SBC_CONST4_SEXT(ctx->opcode); + gen_compute_branch(ctx, op1, 0, 0, const16, address); + break; +/* SBRN-format */ + case OPC1_16_SBRN_JNZ_T: + case OPC1_16_SBRN_JZ_T: + address = MASK_OP_SBRN_DISP4(ctx->opcode); + const16 = MASK_OP_SBRN_N(ctx->opcode); + gen_compute_branch(ctx, op1, 0, 0, const16, address); + break; } } -- 2.0.4