delete irrelevant configs

1 files changed, 0 insertions, 675 deletions

diff --git a/gcc/config/convex/convex.c b/gcc/config/convex/convex.c
deleted file mode 100755
index cd2eb55..0000000
--- a/gcc/config/convex/convex.c
+++ /dev/null
@@ -1,675 +0,0 @@
-/* Subroutines for insn-output.c for Convex.
-   Copyright (C) 1988, 1993, 1994, 1997 Free Software Foundation, Inc.
-
-This file is part of GNU CC.
-
-GNU CC is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 1, or (at your option)
-any later version.
-
-GNU CC is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-GNU General Public License for more details.
-
-You should have received a copy of the GNU General Public License
-along with GNU CC; see the file COPYING.  If not, write to
-the Free Software Foundation, 59 Temple Place - Suite 330,
-Boston, MA 02111-1307, USA.  */
-
-#include "config.h"
-#include <stdio.h>
-#include "tree.h"
-#include "rtl.h"
-#include "regs.h"
-#include "hard-reg-set.h"
-#include "real.h"
-#include "insn-config.h"
-#include "conditions.h"
-#include "insn-flags.h"
-#include "insn-attr.h"
-#include "output.h"
-#include "expr.h"
-
-/* Tables used in convex.h */
-
-char regno_ok_for_index_p_base[1 + LAST_VIRTUAL_REGISTER + 1];
-enum reg_class regno_reg_class[FIRST_PSEUDO_REGISTER];
-enum reg_class reg_class_from_letter[256];
-
-/* Target cpu index. */
-
-int target_cpu;
-
-/* Boolean to keep track of whether the current section is .text or not.
-   Used by .align handler in convex.h. */
-
-int current_section_is_text;
-
-/* Communication between output_compare and output_condjump. */
-
-static rtx cmp_operand0, cmp_operand1;
-static char cmp_modech;
-
-/* Forwards */
-
-static rtx frame_argblock;
-static int frame_argblock_size;
-static rtx convert_arg_pushes ();
-static void expand_movstr_call ();
-
-/* Here from OVERRIDE_OPTIONS at startup.  Initialize constant tables. */
-
-init_convex ()
-{
-  int regno;
-
-  /* Set A and S reg classes. */
-  for (regno = 0; regno < FIRST_PSEUDO_REGISTER; regno++)
-    if (A_REGNO_P (regno))
-      {
-	regno_ok_for_index_p[regno] = 1;
-	regno_reg_class[regno] = INDEX_REGS;
-      }
-    else
-      {
-	regno_ok_for_index_p[regno] = 0;
-	regno_reg_class[regno] = S_REGS;
-      }
-
-  /* Can't index off the stack pointer, register 0. */
-  regno_ok_for_index_p[STACK_POINTER_REGNUM] = 0;
-  regno_reg_class[STACK_POINTER_REGNUM] = SP_REGS;
-
-  /* Can't index off aliases of the stack pointer.  */
-  regno_ok_for_index_p[VIRTUAL_INCOMING_ARGS_REGNUM] = 1;
-  regno_ok_for_index_p[VIRTUAL_STACK_VARS_REGNUM] = 1;
-  regno_ok_for_index_p[VIRTUAL_STACK_DYNAMIC_REGNUM] = 0;
-  regno_ok_for_index_p[VIRTUAL_OUTGOING_ARGS_REGNUM] = 0;
-
-  /* Can't index off hard reg -1 == pseudos not assigned */
-  regno_ok_for_index_p[-1] = 0;
-
-  /* Set reg class letters */
-  reg_class_from_letter['a'] = A_REGS;
-  reg_class_from_letter['A'] = INDEX_REGS;
-  reg_class_from_letter['d'] = S_REGS;
-
-  /* Turn off floating point exception enables in the psw. */
-  psw_disable_float ();
-}
-
-psw_disable_float ()
-{
-#if __convex__ && __GNUC__
-  register int *p;
-  asm ("mov fp,%0" : "=a" (p));
-  while (p)
-    {
-      p[1] &= ~0x1000c400;
-      p = (int *) p[2];
-    }
-#endif  
-}
-
-/* Here to output code for a compare insn.  Output nothing, just
-   record the operands and their mode. */
-
-char *
-output_cmp (operand0, operand1, modech)
-     rtx operand0, operand1;
-     char modech;
-{
-  cmp_operand0 = operand0;
-  cmp_operand1 = operand1;
-  cmp_modech = modech;
-  return "";
-}
-
-/* Output code for a conditional jump.  The preceding instruction
-   is necessarily a compare.  Output two instructions, for example
-       eq.w a1,a2
-       jbra.t L5
-   for
-       (cmpsi a1 a2)
-       (beq L5)
- */
-
-char *
-output_condjump (label, cond, jbr_sense)
-     rtx label;
-     char *cond;
-     char jbr_sense;
-{
-  rtx operands[3];
-  char cmp_op[4];
-  char buf[80];
-  char jbr_regch;
-
-  strcpy (cmp_op, cond);
-
-  /* [BL] mean the value is being compared against immediate 0.
-     Use neg.x, which produces the same carry that eq.x #0 would if it
-     existed.  In this case operands[1] is a scratch register, not a
-     compare operand. */
-
-  if (cmp_modech == 'B' || cmp_modech == 'L')
-    {
-      cmp_modech = cmp_modech - 'A' + 'a';
-      strcpy (cmp_op, "neg");
-    }
-
-  /* [WH] mean the value being compared resulted from "add.[wh] #-1,rk"
-     when rk was nonnegative -- we can omit equality compares against -1
-     or inequality compares against 0. */
-
-  else if (cmp_modech == 'W' || cmp_modech == 'H')
-    {
-      if (! strcmp (cmp_op, "eq") && cmp_operand1 == constm1_rtx)
-	jbr_sense ^= 't' ^ 'f';
-      else if (! strcmp (cmp_op, "lt") && cmp_operand1 == const0_rtx)
-	;
-      else
-	cmp_modech = cmp_modech - 'A' + 'a';
-    }
-
-  /* Constant must be first; swap operands if necessary.
-     If lt, le, ltu, leu are swapped, change to le, lt, leu, ltu
-     and reverse the sense of the jump. */
-
-  if (! REG_P (cmp_operand1))
-    {
-      operands[0] = cmp_operand1;
-      operands[1] = cmp_operand0;
-      if (cmp_op[0] == 'l')
-	{
-	  cmp_op[1] ^= 'e' ^ 't';
-	  jbr_sense ^= 't' ^ 'f';
-	}
-    }
-  else
-    {
-      operands[0] = cmp_operand0;
-      operands[1] = cmp_operand1;
-    }
-
-  operands[2] = label;
-
-  if (S_REG_P (operands[1]))
-    jbr_regch = 's';
-  else if (A_REG_P (operands[1]))
-    jbr_regch = 'a';
-  else
-    abort ();
-
-  if (cmp_modech == 'W' || cmp_modech == 'H')
-    sprintf (buf, "jbr%c.%c %%l2", jbr_regch, jbr_sense);
-  else
-    sprintf (buf, "%s.%c %%0,%%1\n\tjbr%c.%c %%l2",
-	     cmp_op, cmp_modech, jbr_regch, jbr_sense);
-  output_asm_insn (buf, operands);
-  return "";
-}
-
-/* Return 1 if OP is valid for cmpsf.
-   In IEEE mode, +/- zero compares are not handled by 
-     the immediate versions of eq.s and on some machines, lt.s, and le.s.  
-   So disallow 0.0 as the immediate operand of xx.s compares in IEEE mode. */
-
-int
-nonmemory_cmpsf_operand (op, mode)
-     rtx op;
-     enum machine_mode mode;
-{
-#if _IEEE_FLOAT_
-  if (op == CONST0_RTX (SFmode))
-    return 0;
-#endif
-
-  return nonmemory_operand (op, mode);
-}
-
-/* Convex /bin/as does not like unary minus in some contexts.
-   Simplify CONST addresses to remove it. */
-
-rtx
-simplify_for_convex (x)
-     rtx x;
-{
-  switch (GET_CODE (x))
-    {
-    case MINUS:
-      if (GET_CODE (XEXP (x, 1)) == CONST_INT
-	  && INTVAL (XEXP (x, 1)) < 0)
-	{
-	  PUT_CODE (x, PLUS);
-	  XEXP (x, 1) = GEN_INT (- INTVAL (XEXP (x, 1)));
-	}
-      break;
-
-    case CONST:
-      return simplify_for_convex (XEXP (x, 0));
-    }
-
-  return x;
-}
-
-/* Routines to separate CONST_DOUBLEs into component parts. */
-
-int
-const_double_high_int (x)
-     rtx x;
-{
-  if (GET_MODE_CLASS (GET_MODE (x)) == MODE_FLOAT)
-    return CONST_DOUBLE_LOW (x);
-  else
-    return CONST_DOUBLE_HIGH (x);
-}
-
-int
-const_double_low_int (x)
-     rtx x;
-{
-  if (GET_MODE_CLASS (GET_MODE (x)) == MODE_FLOAT)
-    return CONST_DOUBLE_HIGH (x);
-  else
-    return CONST_DOUBLE_LOW (x);
-}
-
-/* Inline block copy. */
-
-void
-expand_movstr (operands)
-     rtx *operands;
-{
-  rtx dest = operands[0];
-  rtx src = operands[1];
-  int align = INTVAL (operands[3]);
-  int nregs, maxsize;
-  unsigned len;
-  enum machine_mode mode;
-  rtx reg, load, store, prev_store, prev_store_2;
-  int size;
-
-  /* Decide how many regs to use, depending on load latency, and what
-     size pieces to move, depending on whether machine does unaligned
-     loads and stores efficiently. */
-
-  if (TARGET_C1)
-    {
-      /* ld.l latency is 4, no alignment problems. */
-      nregs = 3, maxsize = 8;
-    }
-  else if (TARGET_C2)
-    {
-      /* loads are latency 2 if we avoid ld.l not at least word aligned. */
-      if (align >= 4)
-	nregs = 2, maxsize = 8;
-      else
-	nregs = 2, maxsize = 4;
-    }
-  else if (TARGET_C34)
-    {
-      /* latency is 4 if aligned, horrible if not. */
-      nregs = 3, maxsize = align;
-    }
-  else if (TARGET_C38)
-    {
-      /* latency is 2 if at least word aligned, 3 or 4 if unaligned. */
-      if (align >= 4)
-	nregs = 2, maxsize = 8;
-      else
-	nregs = 3, maxsize = 8;
-    }
-  else
-    abort ();
-
-  /* Caller is not necessarily prepared for us to fail in this
-     expansion.  So fall back by generating memcpy call here. */
-
-  if (GET_CODE (operands[2]) != CONST_INT
-      || (len = INTVAL (operands[2])) > (unsigned) 32 * maxsize)
-    {
-      expand_movstr_call (operands);
-      return;
-    }
-
-  reg = 0;
-  prev_store = prev_store_2 = 0;
-
-  while (len > 0)
-    {
-      if (len >= 8 && maxsize >= 8)
-	mode = DImode;
-      else if (len >= 4 && maxsize >= 4)
-	mode = SImode;
-      else if (len >= 2 && maxsize >= 2)
-	mode = HImode;
-      else
-	mode = QImode;
-
-      /* If no temp pseudo to reuse, or not the right mode, make one */
-      if (! reg || GET_MODE (reg) != mode)
-	reg = gen_reg_rtx (mode);
-
-      /* Get src and dest in the right mode */
-      if (GET_MODE (src) != mode)
-	src = change_address (src, mode, 0),
-	dest = change_address (dest, mode, 0);
-
-      /* Make load and store patterns for this piece */
-      load = gen_rtx (SET, VOIDmode, reg, src);
-      store = gen_rtx (SET, VOIDmode, dest, reg);
-
-      /* Emit the load and the store from last time. 
-	 When we emit a store, we can reuse its temp reg. */
-      emit_insn (load);
-      if (prev_store)
-	{
-	  reg = SET_SRC (prev_store);
-	  emit_insn (prev_store);
-	}
-      else
-	reg = 0;
-
-      /* Queue up the store, for next time or the time after that. */
-      if (nregs == 2)
-	prev_store = store;
-      else
-	prev_store = prev_store_2, prev_store_2 = store;
-
-      /* Advance to next piece. */
-      size = GET_MODE_SIZE (mode);
-      src = adj_offsettable_operand (src, size);
-      dest = adj_offsettable_operand (dest, size);
-      len -= size;
-    }
-
-  /* Finally, emit the last stores. */
-  if (prev_store)
-    emit_insn (prev_store);
-  if (prev_store_2)
-    emit_insn (prev_store_2);
-}
-
-static void
-expand_movstr_call (operands)
-     rtx *operands;
-{
-  emit_library_call (gen_rtx (SYMBOL_REF, Pmode, "memcpy"), 0,
-		     VOIDmode, 3,
-		     XEXP (operands[0], 0), Pmode,
-		     XEXP (operands[1], 0), Pmode,
-		     convert_to_mode (TYPE_MODE (sizetype), operands[2],
-				      TREE_UNSIGNED (sizetype)),
-		     TYPE_MODE (sizetype));
-}
-
-#if _IEEE_FLOAT_
-#define MAX_FLOAT 3.4028234663852886e+38
-#define MIN_FLOAT 1.1754943508222875e-38
-#else
-#define MAX_FLOAT 1.7014117331926443e+38
-#define MIN_FLOAT 2.9387358770557188e-39
-#endif
-
-int
-check_float_value (mode, dp, overflow)
-     enum machine_mode mode;
-     REAL_VALUE_TYPE *dp;
-     int overflow;
-{
-  REAL_VALUE_TYPE d = *dp;
-
-  if (overflow)
-    {
-      *dp = MAX_FLOAT;
-      return 1;
-    }
-
-  if (mode == SFmode)
-    {
-      if (d > MAX_FLOAT)
-	{
-	  *dp = MAX_FLOAT;
-	  return 1;
-	}
-      else if (d < -MAX_FLOAT)
-	{
-	  *dp = -MAX_FLOAT;
-	  return 1;
-	}	
-      else if ((d > 0 && d < MIN_FLOAT) || (d < 0 && d > -MIN_FLOAT))
-	{
-	  *dp = 0.0;
-	  return 1;
-	}
-    }
-
-  return 0;
-}
-
-/* Output the label at the start of a function.
-   Precede it with the number of formal args so debuggers will have
-   some idea of how many args to print. */
-
-void
-asm_declare_function_name (file, name, decl)
-    FILE *file;
-    char *name;
-    tree decl;
-{
-  tree parms;
-  int nargs = list_length (DECL_ARGUMENTS (decl));
-
-  char *p, c;
-  extern char *version_string;
-  static char vers[4];
-  int i;
-  
-  p = version_string;
-  for (i = 0; i < 3; ) {
-    c = *p;
-    if (c - '0' < (unsigned) 10)
-      vers[i++] = c;
-    if (c == 0 || c == ' ')
-      vers[i++] = '0';
-    else
-      p++;
-  }
-  fprintf (file, "\tds.b \"g%s\"\n", vers);
-
-  if (nargs < 100)
-    fprintf (file, "\tds.b \"+%02d\\0\"\n", nargs);
-  else
-    fprintf (file, "\tds.b \"+00\\0\"\n");
-
-  ASM_OUTPUT_LABEL (file, name);
-}
-
-/* Print an instruction operand X on file FILE.
-   CODE is the code from the %-spec that requested printing this operand;
-   if `%z3' was used to print operand 3, then CODE is 'z'. */
-/* Convex codes:
-    %u prints a CONST_DOUBLE's high word
-    %v prints a CONST_DOUBLE's low word
-    %z prints a CONST_INT shift count as a multiply operand -- viz. 1 << n.
- */
-
-print_operand (file, x, code)
-     FILE *file;
-     rtx x;
-     char code;
-{
-  long u[2];
-  REAL_VALUE_TYPE d;
-
-  switch (GET_CODE (x))
-    {
-    case REG:
-      fprintf (file, "%s", reg_names[REGNO (x)]);
-      break;
-
-    case MEM:
-      output_address (XEXP (x, 0));
-      break;
-
-    case CONST_DOUBLE:
-      REAL_VALUE_FROM_CONST_DOUBLE (d, x);
-      switch (GET_MODE (x)) {
-      case DFmode:
-#if 0 /* doesn't work, produces dfloats */
-	REAL_VALUE_TO_TARGET_DOUBLE (d, u); 
-#else
-	{
-	  union { double d; int i[2]; } t;
-	  t.d = d;
-	  u[0] = t.i[0];
-	  u[1] = t.i[1];
-	}
-#endif
-	if (code == 'u')
-	  fprintf (file, "#%#x", u[0]);
-	else if (code == 'v')
-	  fprintf (file, "#%#x", u[1]);
-	else
-	  outfloat (file, d, "%.17e", "#", "");
-	break;
-      case SFmode:
-	outfloat (file, d, "%.9e", "#", "");
-	break;
-      default:
-	if (code == 'u')
-	  fprintf (file, "#%d", CONST_DOUBLE_HIGH (x));
-	else
-	  fprintf (file, "#%d", CONST_DOUBLE_LOW (x));
-      }
-      break;
-
-    default:
-      if (code == 'z')
-	{
-	  if (GET_CODE (x) != CONST_INT)
-	    abort ();
-	  fprintf (file, "#%d", 1 << INTVAL (x));
-	}
-      else
-	{
-	  putc ('#', file);
-	  output_addr_const (file, x);
-	}
-    }
-}
-
-/* Print a memory operand whose address is X, on file FILE. */
-
-print_operand_address (file, addr)
-     FILE *file;
-     rtx addr;
-{
-  rtx index = 0;
-  rtx offset = 0;
-
-  if (GET_CODE (addr) == MEM)
-    {
-      fprintf (file, "@");
-      addr = XEXP (addr, 0);
-    }
-
-  switch (GET_CODE (addr))
-    {
-    case REG:
-      index = addr;
-      break;
-
-    case PLUS:
-      index = XEXP (addr, 0);
-      if (REG_P (index))
-	offset = XEXP (addr, 1);
-      else
-	{
-	  offset = XEXP (addr, 0);
-	  index = XEXP (addr, 1);
-	  if (! REG_P (index))
-	    abort ();
-        }
-      break;
-
-    default:
-      offset = addr;
-      break;
-    }
-
-  if (offset)
-    output_addr_const (file, offset);
-
-  if (index)
-    fprintf (file, "(%s)", reg_names[REGNO (index)]);
-}
-
-/* Output a float to FILE, value VALUE, format FMT, preceded by PFX
-   and followed by SFX. */
-
-outfloat (file, value, fmt, pfx, sfx)
-     FILE *file;
-     REAL_VALUE_TYPE value;
-     char *fmt, *pfx, *sfx;
-{
-  char buf[64];
-  fputs (pfx, file);
-  REAL_VALUE_TO_DECIMAL (value, fmt, buf);
-  fputs (buf, file);
-  fputs (sfx, file);
-}
-
-/* Here during RTL generation of return.  If we are at the final return
-   in a function, go through the function and replace pushes with stores
-   into a frame arg block.  This is similar to what ACCUMULATE_OUTGOING_ARGS
-   does, but we must index off the frame pointer, not the stack pointer,
-   and the calling sequence does not require the arg block to be at the
-   top of the stack.  */
-
-replace_arg_pushes ()
-{
-  /* Doesn't work yet. */
-}
-
-/* Output the insns needed to do a call.  operands[] are
-     0 - MEM, the place to call
-     1 - CONST_INT, the number of bytes in the arg list
-     2 - CONST_INT, the number of arguments
-     3 - CONST_INT, the number of bytes to pop
-     4 - address of the arg list.  
- */
-
-char *
-output_call (insn, operands)
-     rtx insn, *operands;
-{
-  if (operands[4] == stack_pointer_rtx)
-    output_asm_insn ("mov sp,ap", operands);
-  else
-    abort ();
-
-  if (TARGET_ARGCOUNT)
-    output_asm_insn ("pshea %a2", operands);
-
-  output_asm_insn ("calls %0", operands);
-
-  output_asm_insn ("ld.w 12(fp),ap", operands);
-
-  if (operands[4] == stack_pointer_rtx && operands[3] != const0_rtx)
-    output_asm_insn ("add.w %3,sp", operands);
-
-  return "";
-}
-
-
-/* Here after reloading, before the second scheduling pass. */
-
-emit_ap_optimizations ()
-{
-  /* Removed for now. */
-}
-