/* Store in R0 the result of evaluating the operator TOK with
a register operand SRC and an immediate operand IMM. */
void
gen_reg_imm (int src, int imm, int tok)
{
switch (tok)
{
case '+': jit_addi_i (JIT_R0, src, imm); break;
case '-': jit_subi_i (JIT_R0, src, imm); break;
case '*': jit_muli_i (JIT_R0, src, imm); break;
case '/': jit_divi_i (JIT_R0, src, imm); break;
case '%': jit_modi_i (JIT_R0, src, imm); break;
case '&': jit_andi_i (JIT_R0, src, imm); break;
case '|': jit_ori_i (JIT_R0, src, imm); break;
case '^': jit_xori_i (JIT_R0, src, imm); break;
case '=': jit_eqi_i (JIT_R0, src, imm); break;
case '<': jit_lti_i (JIT_R0, src, imm); break;
case '>': jit_gti_i (JIT_R0, src, imm); break;
case LE: jit_lei_i (JIT_R0, src, imm); break;
case GE: jit_gei_i (JIT_R0, src, imm); break;
case NE: jit_nei_i (JIT_R0, src, imm); break;
case LSH: jit_lshi_i (JIT_R0, src, imm); break;
case RSH: jit_rshi_i (JIT_R0, src, imm); break;
case RSHU: jit_rshi_ui (JIT_R0, src, imm); break;
default: abort ();
}
}
int main()
{
pifi myFunction= (pifi) (jit_set_ip(codeBuffer).iptr);
int ofs; /* offset of the argument */
jit_leaf(1);
ofs = jit_arg_i();
jit_getarg_i(JIT_R0, ofs);
jit_addi_i(JIT_RET, JIT_R0, 1);
jit_ret();
jit_flush_code(codeBuffer, jit_get_ip().ptr);
/* call the generated code, passing its size as argument */
#ifdef LIGHTNING_DISASSEMBLE
disassemble(stderr, codeBuffer, jit_get_ip().ptr);
#endif
#ifndef LIGHTNING_CROSS
printf("%d + 1 = %d\n", 5, myFunction(5));
#endif
return 0;
}