From 70b0226250db5ea5ec6c0bbc13514a3e27081c28 Mon Sep 17 00:00:00 2001 From: Bastian Koppelmann Date: Mon, 1 Sep 2014 12:59:56 +0100 Subject: target-tricore: Add instructions of SBC and SBRN opcode format Add instructions of SBC and SBRN opcode format. Signed-off-by: Bastian Koppelmann Reviewed-by: Richard Henderson Message-id: 1409572800-4116-12-git-send-email-kbastian@mail.uni-paderborn.de Signed-off-by: Peter Maydell --- target-tricore/translate.c | 36 ++++++++++++++++++++++++++++++++++++ 1 file changed, 36 insertions(+) (limited to 'target-tricore') diff --git a/target-tricore/translate.c b/target-tricore/translate.c index e13fba7087..1bd26421f8 100644 --- a/target-tricore/translate.c +++ b/target-tricore/translate.c @@ -391,6 +391,8 @@ static inline void gen_branch_condi(DisasContext *ctx, TCGCond 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: @@ -407,6 +409,26 @@ 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_EQ, 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); } @@ -716,6 +738,20 @@ 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; } } -- cgit v1.2.1