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| author | Peer Adelt <peer.adelt@c-lab.de> | 2016-06-07 17:49:15 +0200 |
|---|---|---|
| committer | Bastian Koppelmann <kbastian@mail.uni-paderborn.de> | 2017-01-11 14:37:28 +0100 |
| commit | dedd8c9c32cf753d1868d347b985c36a0a02af9a (patch) | |
| tree | 3b592a299853a2a7cde35c2872d312642b43c6c2 /target/tricore | |
| parent | 550929dd4622f8e2b1b5c277f32089d83cb1e595 (diff) | |
| download | qemu-dedd8c9c32cf753d1868d347b985c36a0a02af9a.zip qemu-dedd8c9c32cf753d1868d347b985c36a0a02af9a.tar.gz qemu-dedd8c9c32cf753d1868d347b985c36a0a02af9a.tar.bz2 | |
target-tricore: Added new JNE instruction variant
If D[15] is != sign_ext(const4) then PC will be set to (PC +
zero_ext(disp4 + 16)).
[BK: fixed style errors]
Signed-off-by: Peer Adelt <peer.adelt@c-lab.de>
Message-Id: <1465314555-11501-5-git-send-email-peer.adelt@c-lab.de>
Signed-off-by: Bastian Koppelmann <kbastian@mail.uni-paderborn.de>
Diffstat (limited to 'target/tricore')
| -rw-r--r-- | target/tricore/translate.c | 18 | ||||
| -rw-r--r-- | target/tricore/tricore-opcodes.h | 2 |
2 files changed, 20 insertions, 0 deletions
diff --git a/target/tricore/translate.c b/target/tricore/translate.c index 1cdd87e..9d1ee66 100644 --- a/target/tricore/translate.c +++ b/target/tricore/translate.c @@ -3362,9 +3362,17 @@ static void gen_compute_branch(DisasContext *ctx, uint32_t opc, int r1, case OPC1_16_SBC_JEQ: gen_branch_condi(ctx, TCG_COND_EQ, cpu_gpr_d[15], constant, offset); break; + case OPC1_16_SBC_JEQ2: + gen_branch_condi(ctx, TCG_COND_EQ, cpu_gpr_d[15], constant, + offset + 16); + break; case OPC1_16_SBC_JNE: gen_branch_condi(ctx, TCG_COND_NE, cpu_gpr_d[15], constant, offset); break; + case OPC1_16_SBC_JNE2: + gen_branch_condi(ctx, TCG_COND_NE, cpu_gpr_d[15], + constant, offset + 16); + break; /* SBRN-format jumps */ case OPC1_16_SBRN_JZ_T: temp = tcg_temp_new(); @@ -4097,6 +4105,16 @@ static void decode_16Bit_opc(CPUTriCoreState *env, DisasContext *ctx) const16 = MASK_OP_SBC_CONST4_SEXT(ctx->opcode); gen_compute_branch(ctx, op1, 0, 0, const16, address); break; + case OPC1_16_SBC_JEQ2: + case OPC1_16_SBC_JNE2: + if (tricore_feature(env, TRICORE_FEATURE_16)) { + address = MASK_OP_SBC_DISP4(ctx->opcode); + const16 = MASK_OP_SBC_CONST4_SEXT(ctx->opcode); + gen_compute_branch(ctx, op1, 0, 0, const16, address); + } else { + generate_trap(ctx, TRAPC_INSN_ERR, TIN2_IOPC); + } + break; /* SBRN-format */ case OPC1_16_SBRN_JNZ_T: case OPC1_16_SBRN_JZ_T: diff --git a/target/tricore/tricore-opcodes.h b/target/tricore/tricore-opcodes.h index 78ba338..08394b8 100644 --- a/target/tricore/tricore-opcodes.h +++ b/target/tricore/tricore-opcodes.h @@ -311,6 +311,7 @@ enum { OPC1_16_SRR_EQ = 0x3a, OPC1_16_SB_J = 0x3c, OPC1_16_SBC_JEQ = 0x1e, + OPC1_16_SBC_JEQ2 = 0x9e, OPC1_16_SBR_JEQ = 0x3e, OPC1_16_SBR_JGEZ = 0xce, OPC1_16_SBR_JGTZ = 0x4e, @@ -318,6 +319,7 @@ enum { OPC1_16_SBR_JLEZ = 0x8e, OPC1_16_SBR_JLTZ = 0x0e, OPC1_16_SBC_JNE = 0x5e, + OPC1_16_SBC_JNE2 = 0xde, OPC1_16_SBR_JNE = 0x7e, OPC1_16_SB_JNZ = 0xee, OPC1_16_SBR_JNZ = 0xf6, |