"/* This file is part of GNU epsilon, a functional language implementation\n"
"\n"
"Copyright (C) 2002, 2003 Luca Saiu\n"
"\n"
"GNU epsilon is free software; you can redistribute it and/or modify\n"
"it under the terms of the GNU General Public License as published\n"
"by the Free Software Foundation; either version 2, or (at your\n"
"option) any later version.\n"
"\n"
"GNU epsilon is distributed in the hope that it will be useful, but\n"
"WITHOUT ANY WARRANTY; without even the implied warranty of\n"
"MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU\n"
"General Public License for more details.\n"
"\n"
"You should have received a copy of the GNU General Public License\n"
"along with epsilon; see the file COPYING.  If not, write to the\n"
"Free Software Foundation, Inc., 59 Temple Place - Suite 330,\n"
"Boston, MA 02111-1307, USA. */\n"
"\n"
"\n"
"/* Code for the s_fscll instruction. This is slightly more efficient than s_scll, but only\n"
"   works when 1 <= PARAMETER_1 <= MAXIMUM_SMALL_HOMOGENEOUS_SIZE */\n"
"\n"
"word_t* closure;\n"
"word_t* new_environment;\n"
"integer_t i;\n"
"\n"
"new_environment = allocate_exact((integer_t)PARAMETER_1 + 1);\n"
"\n"
"closure = (word_t*)(stack[undertop_stack_pointer - ((integer_t)PARAMETER_1) + 1]);\n"
"\n"
"/* Copy actual parameters into the new environment: the last one\n"
"   is in the top register, the previous ones are in the stack. */\n"
"for(i = 1; i < ((integer_t)PARAMETER_1); i++)\n"
"  new_environment[i] = stack[undertop_stack_pointer - ((integer_t)PARAMETER_1) + i + 1];\n"
"new_environment[(integer_t)PARAMETER_1] = top;\n"
"\n"
"/* Copy the s-link into the new environment: */\n"
"new_environment[0] = closure[1];\n"
"\n"
"/* This is a sibling call: there is never need to resize the stack. */\n"
"\n"
"/* Overwrite the current frame. The (conceptually) new frame just contains\n"
"   old_FP, old_env and old_IP.\n"
"   old_FP, old_env and old_IP do not change. */\n"
"top = (word_t)(stack[frame_pointer + 2]);\n"
"\n"
"/* FP does not change. Update undertop_stack_pointer, environment and IP: */\n"
"undertop_stack_pointer = frame_pointer + 1;\n"
"environment = new_environment;\n"
"\n"
"GOTO_GENERIC(closure[0]);\n"
""
