+\f
+/* This is a stripped down version of the disassembler. The only thing it
+ does is return a mask of registers modified by an instruction. Only
+ instructions that can occur in a parallel-issue bundle are handled, and
+ only the registers that can cause a conflict are recorded. */
+
+#define DREG_MASK(n) (0x101 << (n))
+#define DREGH_MASK(n) (0x100 << (n))
+#define DREGL_MASK(n) (0x001 << (n))
+#define IREG_MASK(n) (1 << ((n) + 16))
+
+static int
+decode_ProgCtrl_0 (int iw0)
+{
+ if (iw0 == 0)
+ return 0;
+ abort ();
+}
+
+static int
+decode_LDSTpmod_0 (int iw0)
+{
+ /* LDSTpmod
+ +---+---+---+---|---+---+---+---|---+---+---+---|---+---+---+---+
+ | 1 | 0 | 0 | 0 |.W.|.aop...|.reg.......|.idx.......|.ptr.......|
+ +---+---+---+---|---+---+---+---|---+---+---+---|---+---+---+---+ */
+ int W = ((iw0 >> LDSTpmod_W_bits) & LDSTpmod_W_mask);
+ int aop = ((iw0 >> LDSTpmod_aop_bits) & LDSTpmod_aop_mask);
+ int idx = ((iw0 >> LDSTpmod_idx_bits) & LDSTpmod_idx_mask);
+ int ptr = ((iw0 >> LDSTpmod_ptr_bits) & LDSTpmod_ptr_mask);
+ int reg = ((iw0 >> LDSTpmod_reg_bits) & LDSTpmod_reg_mask);
+
+ if (aop == 1 && W == 0 && idx == ptr)
+ return DREGL_MASK (reg);
+ else if (aop == 2 && W == 0 && idx == ptr)
+ return DREGH_MASK (reg);
+ else if (aop == 1 && W == 1 && idx == ptr)
+ return 0;
+ else if (aop == 2 && W == 1 && idx == ptr)
+ return 0;
+ else if (aop == 0 && W == 0)
+ return DREG_MASK (reg);
+ else if (aop == 1 && W == 0)
+ return DREGL_MASK (reg);
+ else if (aop == 2 && W == 0)
+ return DREGH_MASK (reg);
+ else if (aop == 3 && W == 0)
+ return DREG_MASK (reg);
+ else if (aop == 3 && W == 1)
+ return DREG_MASK (reg);
+ else if (aop == 0 && W == 1)
+ return 0;
+ else if (aop == 1 && W == 1)
+ return 0;
+ else if (aop == 2 && W == 1)
+ return 0;
+ else
+ return 0;
+
+ return 2;
+}
+
+static int
+decode_dagMODim_0 (int iw0)
+{
+ /* dagMODim
+ +---+---+---+---|---+---+---+---|---+---+---+---|---+---+---+---+
+ | 1 | 0 | 0 | 1 | 1 | 1 | 1 | 0 |.br| 1 | 1 |.op|.m.....|.i.....|
+ +---+---+---+---|---+---+---+---|---+---+---+---|---+---+---+---+ */
+ int i = ((iw0 >> DagMODim_i_bits) & DagMODim_i_mask);
+ int op = ((iw0 >> DagMODim_op_bits) & DagMODim_op_mask);
+
+ if (op == 0 || op == 1)
+ return IREG_MASK (i);
+ else
+ return 0;
+
+ return 2;
+}
+
+static int
+decode_dagMODik_0 (int iw0)
+{
+ /* dagMODik
+ +---+---+---+---|---+---+---+---|---+---+---+---|---+---+---+---+
+ | 1 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 0 | 1 | 1 | 0 |.op....|.i.....|
+ +---+---+---+---|---+---+---+---|---+---+---+---|---+---+---+---+ */
+ int i = ((iw0 >> DagMODik_i_bits) & DagMODik_i_mask);
+ return IREG_MASK (i);
+}
+
+/* GOOD */
+static int
+decode_dspLDST_0 (int iw0)
+{
+ /* dspLDST
+ +---+---+---+---|---+---+---+---|---+---+---+---|---+---+---+---+
+ | 1 | 0 | 0 | 1 | 1 | 1 |.W.|.aop...|.m.....|.i.....|.reg.......|
+ +---+---+---+---|---+---+---+---|---+---+---+---|---+---+---+---+ */
+ int i = ((iw0 >> DspLDST_i_bits) & DspLDST_i_mask);
+ int m = ((iw0 >> DspLDST_m_bits) & DspLDST_m_mask);
+ int W = ((iw0 >> DspLDST_W_bits) & DspLDST_W_mask);
+ int aop = ((iw0 >> DspLDST_aop_bits) & DspLDST_aop_mask);
+ int reg = ((iw0 >> DspLDST_reg_bits) & DspLDST_reg_mask);
+
+ if (aop == 0 && W == 0 && m == 0)
+ return DREG_MASK (reg) | IREG_MASK (i);
+ else if (aop == 0 && W == 0 && m == 1)
+ return DREGL_MASK (reg) | IREG_MASK (i);
+ else if (aop == 0 && W == 0 && m == 2)
+ return DREGH_MASK (reg) | IREG_MASK (i);
+ else if (aop == 1 && W == 0 && m == 0)
+ return DREG_MASK (reg) | IREG_MASK (i);
+ else if (aop == 1 && W == 0 && m == 1)
+ return DREGL_MASK (reg) | IREG_MASK (i);
+ else if (aop == 1 && W == 0 && m == 2)
+ return DREGH_MASK (reg) | IREG_MASK (i);
+ else if (aop == 2 && W == 0 && m == 0)
+ return DREG_MASK (reg);
+ else if (aop == 2 && W == 0 && m == 1)
+ return DREGL_MASK (reg);
+ else if (aop == 2 && W == 0 && m == 2)
+ return DREGH_MASK (reg);
+ else if (aop == 0 && W == 1 && m == 0)
+ return IREG_MASK (i);
+ else if (aop == 0 && W == 1 && m == 1)
+ return IREG_MASK (i);
+ else if (aop == 0 && W == 1 && m == 2)
+ return IREG_MASK (i);
+ else if (aop == 1 && W == 1 && m == 0)
+ return IREG_MASK (i);
+ else if (aop == 1 && W == 1 && m == 1)
+ return IREG_MASK (i);
+ else if (aop == 1 && W == 1 && m == 2)
+ return IREG_MASK (i);
+ else if (aop == 2 && W == 1 && m == 0)
+ return 0;
+ else if (aop == 2 && W == 1 && m == 1)
+ return 0;
+ else if (aop == 2 && W == 1 && m == 2)
+ return 0;
+ else if (aop == 3 && W == 0)
+ return DREG_MASK (reg) | IREG_MASK (i);
+ else if (aop == 3 && W == 1)
+ return IREG_MASK (i);
+
+ abort ();
+}
+
+/* GOOD */
+static int
+decode_LDST_0 (int iw0)
+{
+ /* LDST
+ +---+---+---+---|---+---+---+---|---+---+---+---|---+---+---+---+
+ | 1 | 0 | 0 | 1 |.sz....|.W.|.aop...|.Z.|.ptr.......|.reg.......|
+ +---+---+---+---|---+---+---+---|---+---+---+---|---+---+---+---+ */
+ int Z = ((iw0 >> LDST_Z_bits) & LDST_Z_mask);
+ int W = ((iw0 >> LDST_W_bits) & LDST_W_mask);
+ int sz = ((iw0 >> LDST_sz_bits) & LDST_sz_mask);
+ int aop = ((iw0 >> LDST_aop_bits) & LDST_aop_mask);
+ int reg = ((iw0 >> LDST_reg_bits) & LDST_reg_mask);
+
+ if (aop == 0 && sz == 0 && Z == 0 && W == 0)
+ return DREG_MASK (reg);
+ else if (aop == 0 && sz == 0 && Z == 1 && W == 0)
+ return 0;
+ else if (aop == 0 && sz == 1 && Z == 0 && W == 0)
+ return DREG_MASK (reg);
+ else if (aop == 0 && sz == 1 && Z == 1 && W == 0)
+ return DREG_MASK (reg);
+ else if (aop == 0 && sz == 2 && Z == 0 && W == 0)
+ return DREG_MASK (reg);
+ else if (aop == 0 && sz == 2 && Z == 1 && W == 0)
+ return DREG_MASK (reg);
+ else if (aop == 1 && sz == 0 && Z == 0 && W == 0)
+ return DREG_MASK (reg);
+ else if (aop == 1 && sz == 0 && Z == 1 && W == 0)
+ return 0;
+ else if (aop == 1 && sz == 1 && Z == 0 && W == 0)
+ return DREG_MASK (reg);
+ else if (aop == 1 && sz == 1 && Z == 1 && W == 0)
+ return DREG_MASK (reg);
+ else if (aop == 1 && sz == 2 && Z == 0 && W == 0)
+ return DREG_MASK (reg);
+ else if (aop == 1 && sz == 2 && Z == 1 && W == 0)
+ return DREG_MASK (reg);
+ else if (aop == 2 && sz == 0 && Z == 0 && W == 0)
+ return DREG_MASK (reg);
+ else if (aop == 2 && sz == 0 && Z == 1 && W == 0)
+ return 0;
+ else if (aop == 2 && sz == 1 && Z == 0 && W == 0)
+ return DREG_MASK (reg);
+ else if (aop == 2 && sz == 1 && Z == 1 && W == 0)
+ return DREG_MASK (reg);
+ else if (aop == 2 && sz == 2 && Z == 0 && W == 0)
+ return DREG_MASK (reg);
+ else if (aop == 2 && sz == 2 && Z == 1 && W == 0)
+ return DREG_MASK (reg);
+ else if (aop == 0 && sz == 0 && Z == 0 && W == 1)
+ return 0;
+ else if (aop == 0 && sz == 0 && Z == 1 && W == 1)
+ return 0;
+ else if (aop == 0 && sz == 1 && Z == 0 && W == 1)
+ return 0;
+ else if (aop == 0 && sz == 2 && Z == 0 && W == 1)
+ return 0;
+ else if (aop == 1 && sz == 0 && Z == 0 && W == 1)
+ return 0;
+ else if (aop == 1 && sz == 0 && Z == 1 && W == 1)
+ return 0;
+ else if (aop == 1 && sz == 1 && Z == 0 && W == 1)
+ return 0;
+ else if (aop == 1 && sz == 2 && Z == 0 && W == 1)
+ return 0;
+ else if (aop == 2 && sz == 0 && Z == 0 && W == 1)
+ return 0;
+ else if (aop == 2 && sz == 0 && Z == 1 && W == 1)
+ return 0;
+ else if (aop == 2 && sz == 1 && Z == 0 && W == 1)
+ return 0;
+ else if (aop == 2 && sz == 2 && Z == 0 && W == 1)
+ return 0;
+
+ abort ();
+}
+
+static int
+decode_LDSTiiFP_0 (int iw0)
+{
+ /* LDSTiiFP
+ +---+---+---+---|---+---+---+---|---+---+---+---|---+---+---+---+
+ | 1 | 0 | 1 | 1 | 1 | 0 |.W.|.offset............|.reg...........|
+ +---+---+---+---|---+---+---+---|---+---+---+---|---+---+---+---+ */
+ int reg = ((iw0 >> LDSTiiFP_reg_bits) & LDSTiiFP_reg_mask);
+ int W = ((iw0 >> LDSTiiFP_W_bits) & LDSTiiFP_W_mask);
+
+ if (W == 0)
+ return reg < 8 ? DREG_MASK (reg) : 0;
+ else
+ return 0;
+}
+
+static int
+decode_LDSTii_0 (int iw0)
+{
+ /* LDSTii
+ +---+---+---+---|---+---+---+---|---+---+---+---|---+---+---+---+
+ | 1 | 0 | 1 |.W.|.op....|.offset........|.ptr.......|.reg.......|
+ +---+---+---+---|---+---+---+---|---+---+---+---|---+---+---+---+ */
+ int reg = ((iw0 >> LDSTii_reg_bit) & LDSTii_reg_mask);
+ int op = ((iw0 >> LDSTii_op_bit) & LDSTii_op_mask);
+ int W = ((iw0 >> LDSTii_W_bit) & LDSTii_W_mask);
+
+ if (W == 0 && op != 3)
+ return DREG_MASK (reg);
+ else if (W == 0 && op == 3)
+ return 0;
+ else if (W == 1 && op == 0)
+ return 0;
+ else if (W == 1 && op == 1)
+ return 0;
+ else if (W == 1 && op == 3)
+ return 0;
+
+ abort ();
+}
+
+static int
+decode_dsp32mac_0 (int iw0, int iw1)
+{
+ int result = 0;
+ /* dsp32mac
+ +---+---+---+---|---+---+---+---|---+---+---+---|---+---+---+---+
+ | 1 | 1 | 0 | 0 |.M.| 0 | 0 |.mmod..........|.MM|.P.|.w1|.op1...|
+ |.h01|.h11|.w0|.op0...|.h00|.h10|.dst.......|.src0......|.src1..|
+ +---+---+---+---|---+---+---+---|---+---+---+---|---+---+---+---+ */
+ int op1 = ((iw0 >> (DSP32Mac_op1_bits - 16)) & DSP32Mac_op1_mask);
+ int w1 = ((iw0 >> (DSP32Mac_w1_bits - 16)) & DSP32Mac_w1_mask);
+ int P = ((iw0 >> (DSP32Mac_p_bits - 16)) & DSP32Mac_p_mask);
+ int mmod = ((iw0 >> (DSP32Mac_mmod_bits - 16)) & DSP32Mac_mmod_mask);
+ int w0 = ((iw1 >> DSP32Mac_w0_bits) & DSP32Mac_w0_mask);
+ int MM = ((iw1 >> DSP32Mac_MM_bits) & DSP32Mac_MM_mask);
+ int dst = ((iw1 >> DSP32Mac_dst_bits) & DSP32Mac_dst_mask);
+ int op0 = ((iw1 >> DSP32Mac_op0_bits) & DSP32Mac_op0_mask);
+
+ if (w0 == 0 && w1 == 0 && op1 == 3 && op0 == 3)
+ return 0;
+
+ if (op1 == 3 && MM)
+ return 0;
+
+ if ((w1 || w0) && mmod == M_W32)
+ return 0;
+
+ if (((1 << mmod) & (P ? 0x131b : 0x1b5f)) == 0)
+ return 0;
+
+ if (w1 == 1 || op1 != 3)
+ {
+ if (w1)
+ {
+ if (P)
+ return DREG_MASK (dst + 1);
+ else
+ return DREGH_MASK (dst);
+ }
+ }
+
+ if (w0 == 1 || op0 != 3)
+ {
+ if (w0)
+ {
+ if (P)
+ return DREG_MASK (dst);
+ else
+ return DREGL_MASK (dst);
+ }
+ }
+
+ return result;
+}
+
+static int
+decode_dsp32mult_0 (int iw0, int iw1)
+{
+ /* dsp32mult
+ +---+---+---+---|---+---+---+---|---+---+---+---|---+---+---+---+
+ | 1 | 1 | 0 | 0 |.M.| 0 | 1 |.mmod..........|.MM|.P.|.w1|.op1...|
+ |.h01|.h11|.w0|.op0...|.h00|.h10|.dst.......|.src0......|.src1..|
+ +---+---+---+---|---+---+---+---|---+---+---+---|---+---+---+---+ */
+ int w1 = ((iw0 >> (DSP32Mac_w1_bits - 16)) & DSP32Mac_w1_mask);
+ int P = ((iw0 >> (DSP32Mac_p_bits - 16)) & DSP32Mac_p_mask);
+ int mmod = ((iw0 >> (DSP32Mac_mmod_bits - 16)) & DSP32Mac_mmod_mask);
+ int w0 = ((iw1 >> DSP32Mac_w0_bits) & DSP32Mac_w0_mask);
+ int dst = ((iw1 >> DSP32Mac_dst_bits) & DSP32Mac_dst_mask);
+ int result = 0;
+
+ if (w1 == 0 && w0 == 0)
+ return 0;
+
+ if (((1 << mmod) & (P ? 0x313 : 0x1b57)) == 0)
+ return 0;
+
+ if (w1)
+ {
+ if (P)
+ return DREG_MASK (dst | 1);
+ else
+ return DREGH_MASK (dst);
+ }
+
+ if (w0)
+ {
+ if (P)
+ return DREG_MASK (dst);
+ else
+ return DREGL_MASK (dst);
+ }
+
+ return result;
+}
+
+static int
+decode_dsp32alu_0 (int iw0, int iw1)
+{
+ /* dsp32alu
+ +---+---+---+---|---+---+---+---|---+---+---+---|---+---+---+---+
+ | 1 | 1 | 0 | 0 |.M.| 1 | 0 | - | - | - |.HL|.aopcde............|
+ |.aop...|.s.|.x.|.dst0......|.dst1......|.src0......|.src1......|
+ +---+---+---+---|---+---+---+---|---+---+---+---|---+---+---+---+ */
+ int s = ((iw1 >> DSP32Alu_s_bits) & DSP32Alu_s_mask);
+ int x = ((iw1 >> DSP32Alu_x_bits) & DSP32Alu_x_mask);
+ int aop = ((iw1 >> DSP32Alu_aop_bits) & DSP32Alu_aop_mask);
+ int dst0 = ((iw1 >> DSP32Alu_dst0_bits) & DSP32Alu_dst0_mask);
+ int dst1 = ((iw1 >> DSP32Alu_dst1_bits) & DSP32Alu_dst1_mask);
+ int HL = ((iw0 >> (DSP32Alu_HL_bits - 16)) & DSP32Alu_HL_mask);
+ int aopcde = ((iw0 >> (DSP32Alu_aopcde_bits - 16)) & DSP32Alu_aopcde_mask);
+
+ if (aop == 0 && aopcde == 9 && s == 0)
+ return 0;
+ else if (aop == 2 && aopcde == 9 && HL == 0 && s == 0)
+ return 0;
+ else if (aop >= x * 2 && aopcde == 5)
+ return HL ? DREGH_MASK (dst0) : DREGL_MASK (dst0);
+ else if (HL == 0 && aopcde == 2)
+ return DREGL_MASK (dst0);
+ else if (HL == 1 && aopcde == 2)
+ return DREGH_MASK (dst0);
+ else if (HL == 0 && aopcde == 3)
+ return DREGL_MASK (dst0);
+ else if (HL == 1 && aopcde == 3)
+ return DREGH_MASK (dst0);
+
+ else if (aop == 0 && aopcde == 9 && s == 1)
+ return 0;
+ else if (aop == 1 && aopcde == 9 && s == 0)
+ return 0;
+ else if (aop == 2 && aopcde == 9 && s == 1)
+ return 0;
+ else if (aop == 3 && aopcde == 9 && s == 0)
+ return 0;
+ else if (aopcde == 8)
+ return 0;
+ else if (aop == 0 && aopcde == 11)
+ return DREG_MASK (dst0);
+ else if (aop == 1 && aopcde == 11)
+ return HL ? DREGH_MASK (dst0) : DREGL_MASK (dst0);
+ else if (aopcde == 11)
+ return 0;
+ else if (aopcde == 22)
+ return DREG_MASK (dst0);
+
+ else if ((aop == 0 || aop == 1) && aopcde == 14)
+ return 0;
+ else if (aop == 3 && HL == 0 && aopcde == 14)
+ return 0;
+
+ else if (aop == 3 && HL == 0 && aopcde == 15)
+ return DREG_MASK (dst0);
+
+ else if (aop == 1 && aopcde == 16)
+ return 0;
+
+ else if (aop == 0 && aopcde == 16)
+ return 0;
+
+ else if (aop == 3 && HL == 0 && aopcde == 16)
+ return 0;
+
+ else if (aop == 3 && HL == 0 && aopcde == 7)
+ return DREG_MASK (dst0);
+ else if ((aop == 0 || aop == 1 || aop == 2) && aopcde == 7)
+ return DREG_MASK (dst0);
+
+ else if (aop == 0 && aopcde == 12)
+ return DREG_MASK (dst0);
+ else if (aop == 1 && aopcde == 12)
+ return DREG_MASK (dst0) | DREG_MASK (dst1);
+ else if (aop == 3 && aopcde == 12)
+ return HL ? DREGH_MASK (dst0) : DREGL_MASK (dst0);
+
+ else if (aopcde == 0)
+ return DREG_MASK (dst0);
+ else if (aopcde == 1)
+ return DREG_MASK (dst0) | DREG_MASK (dst1);
+
+ else if (aop == 0 && aopcde == 10)
+ return DREGL_MASK (dst0);
+ else if (aop == 1 && aopcde == 10)
+ return DREGL_MASK (dst0);
+
+ else if ((aop == 1 || aop == 0) && aopcde == 4)
+ return DREG_MASK (dst0);
+ else if (aop == 2 && aopcde == 4)
+ return DREG_MASK (dst0) | DREG_MASK (dst1);
+
+ else if (aop == 0 && aopcde == 17)
+ return DREG_MASK (dst0) | DREG_MASK (dst1);
+ else if (aop == 1 && aopcde == 17)
+ return DREG_MASK (dst0) | DREG_MASK (dst1);
+ else if (aop == 0 && aopcde == 18)
+ return 0;
+ else if (aop == 3 && aopcde == 18)
+ return 0;
+
+ else if ((aop == 0 || aop == 1 || aop == 2) && aopcde == 6)
+ return DREG_MASK (dst0);
+
+ else if ((aop == 0 || aop == 1) && aopcde == 20)
+ return DREG_MASK (dst0);
+
+ else if ((aop == 0 || aop == 1) && aopcde == 21)
+ return DREG_MASK (dst0) | DREG_MASK (dst1);
+
+ else if (aop == 0 && aopcde == 23 && HL == 1)
+ return DREG_MASK (dst0);
+ else if (aop == 0 && aopcde == 23 && HL == 0)
+ return DREG_MASK (dst0);
+
+ else if (aop == 0 && aopcde == 24)
+ return DREG_MASK (dst0);
+ else if (aop == 1 && aopcde == 24)
+ return DREG_MASK (dst0) | DREG_MASK (dst1);
+ else if (aopcde == 13)
+ return DREG_MASK (dst0) | DREG_MASK (dst1);
+ else
+ return 0;
+
+ return 4;
+}
+
+static int
+decode_dsp32shift_0 (int iw0, int iw1)
+{
+ /* dsp32shift
+ +---+---+---+---|---+---+---+---|---+---+---+---|---+---+---+---+
+ | 1 | 1 | 0 | 0 |.M.| 1 | 1 | 0 | 0 | - | - |.sopcde............|
+ |.sop...|.HLs...|.dst0......| - | - | - |.src0......|.src1......|
+ +---+---+---+---|---+---+---+---|---+---+---+---|---+---+---+---+ */
+ int HLs = ((iw1 >> DSP32Shift_HLs_bits) & DSP32Shift_HLs_mask);
+ int sop = ((iw1 >> DSP32Shift_sop_bits) & DSP32Shift_sop_mask);
+ int src0 = ((iw1 >> DSP32Shift_src0_bits) & DSP32Shift_src0_mask);
+ int src1 = ((iw1 >> DSP32Shift_src1_bits) & DSP32Shift_src1_mask);
+ int dst0 = ((iw1 >> DSP32Shift_dst0_bits) & DSP32Shift_dst0_mask);
+ int sopcde = ((iw0 >> (DSP32Shift_sopcde_bits - 16)) & DSP32Shift_sopcde_mask);
+
+ if (sop == 0 && sopcde == 0)
+ return HLs & 2 ? DREGH_MASK (dst0) : DREGL_MASK (dst0);
+ else if (sop == 1 && sopcde == 0)
+ return HLs & 2 ? DREGH_MASK (dst0) : DREGL_MASK (dst0);
+ else if (sop == 2 && sopcde == 0)
+ return HLs & 2 ? DREGH_MASK (dst0) : DREGL_MASK (dst0);
+ else if (sop == 0 && sopcde == 3)
+ return 0;
+ else if (sop == 1 && sopcde == 3)
+ return 0;
+ else if (sop == 2 && sopcde == 3)
+ return 0;
+ else if (sop == 3 && sopcde == 3)
+ return DREG_MASK (dst0);
+ else if (sop == 0 && sopcde == 1)
+ return DREG_MASK (dst0);
+ else if (sop == 1 && sopcde == 1)
+ return DREG_MASK (dst0);
+ else if (sop == 2 && sopcde == 1)
+ return DREG_MASK (dst0);
+ else if (sopcde == 2)
+ return DREG_MASK (dst0);
+ else if (sopcde == 4)
+ return DREG_MASK (dst0);
+ else if (sop == 0 && sopcde == 5)
+ return DREGL_MASK (dst0);
+ else if (sop == 1 && sopcde == 5)
+ return DREGL_MASK (dst0);
+ else if (sop == 2 && sopcde == 5)
+ return DREGL_MASK (dst0);
+ else if (sop == 0 && sopcde == 6)
+ return DREGL_MASK (dst0);
+ else if (sop == 1 && sopcde == 6)
+ return DREGL_MASK (dst0);
+ else if (sop == 3 && sopcde == 6)
+ return DREGL_MASK (dst0);
+ else if (sop == 0 && sopcde == 7)
+ return DREGL_MASK (dst0);
+ else if (sop == 1 && sopcde == 7)
+ return DREGL_MASK (dst0);
+ else if (sop == 2 && sopcde == 7)
+ return DREGL_MASK (dst0);
+ else if (sop == 3 && sopcde == 7)
+ return DREGL_MASK (dst0);
+ else if (sop == 0 && sopcde == 8)
+ return DREG_MASK (src0) | DREG_MASK (src1);
+#if 0
+ {
+ OUTS (outf, "BITMUX (");
+ OUTS (outf, dregs (src0));
+ OUTS (outf, ", ");
+ OUTS (outf, dregs (src1));
+ OUTS (outf, ", A0) (ASR)");
+ }
+#endif
+ else if (sop == 1 && sopcde == 8)
+ return DREG_MASK (src0) | DREG_MASK (src1);
+#if 0
+ {
+ OUTS (outf, "BITMUX (");
+ OUTS (outf, dregs (src0));
+ OUTS (outf, ", ");
+ OUTS (outf, dregs (src1));
+ OUTS (outf, ", A0) (ASL)");
+ }
+#endif
+ else if (sopcde == 9)
+ return sop < 2 ? DREGL_MASK (dst0) : DREG_MASK (dst0);
+ else if (sopcde == 10)
+ return DREG_MASK (dst0);
+ else if (sop == 0 && sopcde == 11)
+ return DREGL_MASK (dst0);
+ else if (sop == 1 && sopcde == 11)
+ return DREGL_MASK (dst0);
+ else if (sop == 0 && sopcde == 12)
+ return 0;
+ else if (sop == 1 && sopcde == 12)
+ return DREGL_MASK (dst0);
+ else if (sop == 0 && sopcde == 13)
+ return DREG_MASK (dst0);
+ else if (sop == 1 && sopcde == 13)
+ return DREG_MASK (dst0);
+ else if (sop == 2 && sopcde == 13)
+ return DREG_MASK (dst0);
+
+ abort ();
+}
+
+static int
+decode_dsp32shiftimm_0 (int iw0, int iw1)
+{
+ /* dsp32shiftimm
+ +---+---+---+---|---+---+---+---|---+---+---+---|---+---+---+---+
+ | 1 | 1 | 0 | 0 |.M.| 1 | 1 | 0 | 1 | - | - |.sopcde............|
+ |.sop...|.HLs...|.dst0......|.immag.................|.src1......|
+ +---+---+---+---|---+---+---+---|---+---+---+---|---+---+---+---+ */
+ int sop = ((iw1 >> DSP32ShiftImm_sop_bits) & DSP32ShiftImm_sop_mask);
+ int bit8 = ((iw1 >> 8) & 0x1);
+ int dst0 = ((iw1 >> DSP32ShiftImm_dst0_bits) & DSP32ShiftImm_dst0_mask);
+ int sopcde = ((iw0 >> (DSP32ShiftImm_sopcde_bits - 16)) & DSP32ShiftImm_sopcde_mask);
+ int HLs = ((iw1 >> DSP32ShiftImm_HLs_bits) & DSP32ShiftImm_HLs_mask);
+
+
+ if (sop == 0 && sopcde == 0)
+ return HLs & 2 ? DREGH_MASK (dst0) : DREGL_MASK (dst0);
+ else if (sop == 1 && sopcde == 0 && bit8 == 0)
+ return HLs & 2 ? DREGH_MASK (dst0) : DREGL_MASK (dst0);
+ else if (sop == 1 && sopcde == 0 && bit8 == 1)
+ return HLs & 2 ? DREGH_MASK (dst0) : DREGL_MASK (dst0);
+ else if (sop == 2 && sopcde == 0 && bit8 == 0)
+ return HLs & 2 ? DREGH_MASK (dst0) : DREGL_MASK (dst0);
+ else if (sop == 2 && sopcde == 0 && bit8 == 1)
+ return HLs & 2 ? DREGH_MASK (dst0) : DREGL_MASK (dst0);
+ else if (sop == 2 && sopcde == 3 && HLs == 1)
+ return 0;
+ else if (sop == 0 && sopcde == 3 && HLs == 0 && bit8 == 0)
+ return 0;
+ else if (sop == 0 && sopcde == 3 && HLs == 0 && bit8 == 1)
+ return 0;
+ else if (sop == 0 && sopcde == 3 && HLs == 1 && bit8 == 0)
+ return 0;
+ else if (sop == 0 && sopcde == 3 && HLs == 1 && bit8 == 1)
+ return 0;
+ else if (sop == 1 && sopcde == 3 && HLs == 0)
+ return 0;
+ else if (sop == 1 && sopcde == 3 && HLs == 1)
+ return 0;
+ else if (sop == 2 && sopcde == 3 && HLs == 0)
+ return 0;
+ else if (sop == 1 && sopcde == 1 && bit8 == 0)
+ return DREG_MASK (dst0);
+ else if (sop == 1 && sopcde == 1 && bit8 == 1)
+ return DREG_MASK (dst0);
+ else if (sop == 2 && sopcde == 1 && bit8 == 1)
+ return DREG_MASK (dst0);
+ else if (sop == 2 && sopcde == 1 && bit8 == 0)
+ return DREG_MASK (dst0);
+ else if (sop == 0 && sopcde == 1)
+ return DREG_MASK (dst0);
+ else if (sop == 1 && sopcde == 2)
+ return DREG_MASK (dst0);
+ else if (sop == 2 && sopcde == 2 && bit8 == 1)
+ return DREG_MASK (dst0);
+ else if (sop == 2 && sopcde == 2 && bit8 == 0)
+ return DREG_MASK (dst0);
+ else if (sop == 3 && sopcde == 2)
+ return DREG_MASK (dst0);
+ else if (sop == 0 && sopcde == 2)
+ return DREG_MASK (dst0);
+
+ abort ();
+}
+
+int
+insn_regmask (int iw0, int iw1)
+{
+ if ((iw0 & 0xf7ff) == 0xc003 && iw1 == 0x1800)
+ return 0; /* MNOP */
+ else if ((iw0 & 0xff00) == 0x0000)
+ return decode_ProgCtrl_0 (iw0);
+ else if ((iw0 & 0xffc0) == 0x0240)
+ abort ();
+ else if ((iw0 & 0xff80) == 0x0100)
+ abort ();
+ else if ((iw0 & 0xfe00) == 0x0400)
+ abort ();
+ else if ((iw0 & 0xfe00) == 0x0600)
+ abort ();
+ else if ((iw0 & 0xf800) == 0x0800)
+ abort ();
+ else if ((iw0 & 0xffe0) == 0x0200)
+ abort ();
+ else if ((iw0 & 0xff00) == 0x0300)
+ abort ();
+ else if ((iw0 & 0xf000) == 0x1000)
+ abort ();
+ else if ((iw0 & 0xf000) == 0x2000)
+ abort ();
+ else if ((iw0 & 0xf000) == 0x3000)
+ abort ();
+ else if ((iw0 & 0xfc00) == 0x4000)
+ abort ();
+ else if ((iw0 & 0xfe00) == 0x4400)
+ abort ();
+ else if ((iw0 & 0xf800) == 0x4800)
+ abort ();
+ else if ((iw0 & 0xf000) == 0x5000)
+ abort ();
+ else if ((iw0 & 0xf800) == 0x6000)
+ abort ();
+ else if ((iw0 & 0xf800) == 0x6800)
+ abort ();
+ else if ((iw0 & 0xf000) == 0x8000)
+ return decode_LDSTpmod_0 (iw0);
+ else if ((iw0 & 0xff60) == 0x9e60)
+ return decode_dagMODim_0 (iw0);
+ else if ((iw0 & 0xfff0) == 0x9f60)
+ return decode_dagMODik_0 (iw0);
+ else if ((iw0 & 0xfc00) == 0x9c00)
+ return decode_dspLDST_0 (iw0);
+ else if ((iw0 & 0xf000) == 0x9000)
+ return decode_LDST_0 (iw0);
+ else if ((iw0 & 0xfc00) == 0xb800)
+ return decode_LDSTiiFP_0 (iw0);
+ else if ((iw0 & 0xe000) == 0xA000)
+ return decode_LDSTii_0 (iw0);
+ else if ((iw0 & 0xff80) == 0xe080 && (iw1 & 0x0C00) == 0x0000)
+ abort ();
+ else if ((iw0 & 0xff00) == 0xe100 && (iw1 & 0x0000) == 0x0000)
+ abort ();
+ else if ((iw0 & 0xfe00) == 0xe200 && (iw1 & 0x0000) == 0x0000)
+ abort ();
+ else if ((iw0 & 0xfc00) == 0xe400 && (iw1 & 0x0000) == 0x0000)
+ abort ();
+ else if ((iw0 & 0xfffe) == 0xe800 && (iw1 & 0x0000) == 0x0000)
+ abort ();
+ else if ((iw0 & 0xf600) == 0xc000 && (iw1 & 0x0000) == 0x0000)
+ return decode_dsp32mac_0 (iw0, iw1);
+ else if ((iw0 & 0xf600) == 0xc200 && (iw1 & 0x0000) == 0x0000)
+ return decode_dsp32mult_0 (iw0, iw1);
+ else if ((iw0 & 0xf7c0) == 0xc400 && (iw1 & 0x0000) == 0x0000)
+ return decode_dsp32alu_0 (iw0, iw1);
+ else if ((iw0 & 0xf780) == 0xc600 && (iw1 & 0x01c0) == 0x0000)
+ return decode_dsp32shift_0 (iw0, iw1);
+ else if ((iw0 & 0xf780) == 0xc680 && (iw1 & 0x0000) == 0x0000)
+ return decode_dsp32shiftimm_0 (iw0, iw1);
+ else if ((iw0 & 0xff00) == 0xf800)
+ abort ();
+ else if ((iw0 & 0xFFC0) == 0xf000 && (iw1 & 0x0000) == 0x0000)
+ abort ();
+
+ abort ();
+}
projects / msp430-binutils.git / blobdiff