+ fprintf(fout, " %s = %s %c %s;", float_st0,
+ out_src_opr_float(buf2, sizeof(buf2), po, &po->operand[1],
+ need_float_stack),
+ po->op == OP_FIDIVR ? '/' : '-', float_st0);
+ break;
+
+ case OP_FCHS:
+ fprintf(fout, " %s = -%s;", float_st0, float_st0);
+ break;
+
+ case OP_FCOS:
+ fprintf(fout, " %s = cos%s(%s);", float_st0,
+ need_double ? "" : "f", float_st0);
+ break;
+
+ case OP_FPATAN:
+ if (need_float_stack) {
+ fprintf(fout, " %s = atan%s(%s / %s);", float_st1,
+ need_double ? "" : "f", float_st1, float_st0);
+ fprintf(fout, " f_stp++;");
+ }
+ else {
+ fprintf(fout, " f_st0 = atan%s(f_st1 / f_st0);",
+ need_double ? "" : "f");
+ }
+ break;
+
+ case OP_FYL2X:
+ if (need_float_stack) {
+ fprintf(fout, " %s = %s * log2%s(%s);", float_st1,
+ float_st1, need_double ? "" : "f", float_st0);
+ fprintf(fout, " f_stp++;");
+ }
+ else {
+ fprintf(fout, " f_st0 = f_st1 * log2%s(f_st0);",
+ need_double ? "" : "f");
+ }
+ break;
+
+ case OP_FSIN:
+ fprintf(fout, " %s = sin%s(%s);", float_st0,
+ need_double ? "" : "f", float_st0);
+ break;
+
+ case OP_FSQRT:
+ fprintf(fout, " %s = sqrt%s(%s);", float_st0,
+ need_double ? "" : "f", float_st0);
+ break;
+
+ case OP_FXCH:
+ dead_dst = po->operand[0].type == OPT_REG
+ && po->operand[0].reg == xST0;
+ if (!dead_dst) {
+ out_src_opr_float(buf1, sizeof(buf1), po, &po->operand[0],
+ need_float_stack);
+ fprintf(fout, " { %s t = %s; %s = %s; %s = t; }", float_type,
+ float_st0, float_st0, buf1, buf1);
+ strcat(g_comment, " fxch");
+ }
+ else
+ no_output = 1;