- /* This can be done with a mov instruction. */
- inst.instruction &= LITERAL_MASK;
- inst.instruction |= INST_IMMEDIATE | (OPCODE_MOV << DATA_OP_SHIFT);
- inst.instruction |= value & 0xfff;
- return TRUE;
+ if ((v & ~0xFF) == 0)
+ {
+ /* This can be done with a mov(1) instruction. */
+ inst.instruction = T_OPCODE_MOV_I8 | (inst.operands[i].reg << 8);
+ inst.instruction |= v;
+ return TRUE;
+ }
+
+ if (ARM_CPU_HAS_FEATURE (cpu_variant, arm_arch_t2)
+ && ARM_CPU_HAS_FEATURE (cpu_variant, arm_ext_v6t2))
+ {
+ /* Check if on thumb2 it can be done with a mov.w or mvn.w instruction. */
+ unsigned int newimm;
+ bfd_boolean isNegated;
+
+ newimm = encode_thumb32_immediate (v);
+ if (newimm != (unsigned int) FAIL)
+ isNegated = FALSE;
+ else
+ {
+ newimm = encode_thumb32_immediate (~ v);
+ if (newimm != (unsigned int) FAIL)
+ isNegated = TRUE;
+ }
+
+ if (newimm != (unsigned int) FAIL)
+ {
+ inst.instruction = 0xf04f0000 | (inst.operands[i].reg << 8);
+ inst.instruction |= (isNegated?0x200000:0);
+ inst.instruction |= (newimm & 0x800) << 15;
+ inst.instruction |= (newimm & 0x700) << 4;
+ inst.instruction |= (newimm & 0x0ff);
+ return TRUE;
+ }
+ else if ((v & ~0xFFFF) == 0 || (v & ~0xFFFF0000) == 0)
+ {
+ /* The number may be loaded with a movw/movt instruction. */
+ int imm;
+
+ if ((inst.reloc.exp.X_add_number & ~0xFFFF) == 0)
+ {
+ inst.instruction= 0xf2400000;
+ imm = v;
+ }
+ else
+ {
+ inst.instruction = 0xf2c00000;
+ imm = v >> 16;
+ }
+
+ inst.instruction |= (inst.operands[i].reg << 8);
+ inst.instruction |= (imm & 0xf000) << 4;
+ inst.instruction |= (imm & 0x0800) << 15;
+ inst.instruction |= (imm & 0x0700) << 4;
+ inst.instruction |= (imm & 0x00ff);
+ return TRUE;
+ }
+ }