darwin.md

Mac OS X 10.4.9 for x86 Source Code gcc 实现源代码

  [(set_attr "type" "branch")
   (set_attr "length" "4")])

(define_insn "load_macho_picbase_di"
  [(set (match_operand:DI 0 "register_operand" "=l")
	(unspec:DI [(match_operand:DI 1 "immediate_operand" "s")] UNSPEC_LD_MPIC))]
  "(DEFAULT_ABI == ABI_DARWIN) && flag_pic && TARGET_64BIT"
  "bcl 20,31,%1\\n%1:"
  [(set_attr "type" "branch")
   (set_attr "length" "4")])

;; APPLE LOCAL begin special ObjC method use of R12

(define_expand "load_macho_picbase_label"
  [(set (match_operand 0 "" "")
        (unspec [(match_operand 1 "" "")]
                   UNSPEC_LD_MPIC_L))]
  "(DEFAULT_ABI == ABI_DARWIN) && flag_pic"
{
  if (TARGET_32BIT)
    emit_insn (gen_load_macho_picbase_label_si (operands[0], operands[1]));
  else
    emit_insn (gen_load_macho_picbase_label_di (operands[0], operands[1]));

  DONE;
})

(define_insn "load_macho_picbase_label_si"
  [(set (match_operand:SI 0 "register_operand" "=l")
	(unspec_volatile:SI [(match_operand:SI 1 "immediate_operand" "s")]
		   UNSPEC_LD_MPIC_L))]
  "(DEFAULT_ABI == ABI_DARWIN) && flag_pic"
  ";bcl 20,31,%1\\n%1:"
   [(set_attr "length" "0")])

(define_insn "load_macho_picbase_label_di"
  [(set (match_operand:DI 0 "register_operand" "=l")
	(unspec_volatile:DI [(match_operand:DI 1 "immediate_operand" "s")]
		   UNSPEC_LD_MPIC_L))]
  "(DEFAULT_ABI == ABI_DARWIN) && flag_pic && TARGET_64BIT"
  ";bcl 20,31,%1\\n%1:"
  [(set_attr "length" "0")])

;; APPLE LOCAL end special ObjC method use of R12

(define_expand "macho_correct_pic"
  [(set (match_operand 0 "" "")
	(plus (match_operand 1 "" "")
		 (unspec [(match_operand 2 "" "")
			     (match_operand 3 "" "")]
			    UNSPEC_MPIC_CORRECT)))]
  "DEFAULT_ABI == ABI_DARWIN"
{
  if (TARGET_32BIT)
    emit_insn (gen_macho_correct_pic_si (operands[0], operands[1], operands[2],
	       operands[3]));
  else
    emit_insn (gen_macho_correct_pic_di (operands[0], operands[1], operands[2],
	       operands[3]));

  DONE;
})

(define_insn "macho_correct_pic_si"
  [(set (match_operand:SI 0 "gpc_reg_operand" "=r")
	(plus:SI (match_operand:SI 1 "gpc_reg_operand" "r")
		 (unspec:SI [(match_operand:SI 2 "immediate_operand" "s")
			     (match_operand:SI 3 "immediate_operand" "s")]
			    UNSPEC_MPIC_CORRECT)))]
  "DEFAULT_ABI == ABI_DARWIN"
  "addis %0,%1,ha16(%2-%3)\n\taddi %0,%0,lo16(%2-%3)"
  [(set_attr "length" "8")])

(define_insn "macho_correct_pic_di"
  [(set (match_operand:DI 0 "gpc_reg_operand" "=r")
	(plus:DI (match_operand:DI 1 "gpc_reg_operand" "r")
		 (unspec:DI [(match_operand:DI 2 "immediate_operand" "s")
			     (match_operand:DI 3 "immediate_operand" "s")]
			    16)))]
  "DEFAULT_ABI == ABI_DARWIN && TARGET_64BIT"
  "addis %0,%1,ha16(%2-%3)\n\taddi %0,%0,lo16(%2-%3)"
  [(set_attr "length" "8")])

(define_insn "*call_indirect_nonlocal_darwin64"
  [(call (mem:SI (match_operand:DI 0 "register_operand" "c,*l,c,*l"))
	 (match_operand 1 "" "g,g,g,g"))
   (use (match_operand:SI 2 "immediate_operand" "O,O,n,n"))
   (clobber (match_scratch:SI 3 "=l,l,l,l"))]
  "DEFAULT_ABI == ABI_DARWIN && TARGET_64BIT"
{
  return "b%T0l";
}
  [(set_attr "type" "jmpreg,jmpreg,jmpreg,jmpreg")
   (set_attr "length" "4,4,8,8")])

(define_insn "*call_nonlocal_darwin64"
  [(call (mem:SI (match_operand:DI 0 "symbol_ref_operand" "s,s"))
	 (match_operand 1 "" "g,g"))
   (use (match_operand:SI 2 "immediate_operand" "O,n"))
   (clobber (match_scratch:SI 3 "=l,l"))]
  "(DEFAULT_ABI == ABI_DARWIN)
   && (INTVAL (operands[2]) & CALL_LONG) == 0"
{
#if TARGET_MACHO
  return output_call(insn, operands, 0, 2);
#else
  abort();
#endif
}
  [(set_attr "type" "branch,branch")
   (set_attr "length" "4,8")])

(define_insn "*call_value_indirect_nonlocal_darwin64"
  [(set (match_operand 0 "" "")
	(call (mem:SI (match_operand:DI 1 "register_operand" "c,*l,c,*l"))
	      (match_operand 2 "" "g,g,g,g")))
   (use (match_operand:SI 3 "immediate_operand" "O,O,n,n"))
   (clobber (match_scratch:SI 4 "=l,l,l,l"))]
  "DEFAULT_ABI == ABI_DARWIN"
{
  return "b%T1l";
}
  [(set_attr "type" "jmpreg,jmpreg,jmpreg,jmpreg")
   (set_attr "length" "4,4,8,8")])

(define_insn "*call_value_nonlocal_darwin64"
  [(set (match_operand 0 "" "")
	(call (mem:SI (match_operand:DI 1 "symbol_ref_operand" "s,s"))
	      (match_operand 2 "" "g,g")))
   (use (match_operand:SI 3 "immediate_operand" "O,n"))
   (clobber (match_scratch:SI 4 "=l,l"))]
  "(DEFAULT_ABI == ABI_DARWIN)
   && (INTVAL (operands[3]) & CALL_LONG) == 0"
{
#if TARGET_MACHO
  return output_call(insn, operands, 1, 3);
#else
  abort();
#endif
}
  [(set_attr "type" "branch,branch")
   (set_attr "length" "4,8")])

(define_insn "*sibcall_nonlocal_darwin64"
  [(call (mem:SI (match_operand:DI 0 "symbol_ref_operand" "s,s"))
	 (match_operand 1 "" ""))
   (use (match_operand 2 "immediate_operand" "O,n"))
   (use (match_operand:SI 3 "register_operand" "l,l"))
   (return)]
  "(DEFAULT_ABI == ABI_DARWIN)
   && (INTVAL (operands[2]) & CALL_LONG) == 0"
{
  return "b %z0";
}
  [(set_attr "type" "branch,branch")
   (set_attr "length" "4,8")])

(define_insn "*sibcall_value_nonlocal_darwin64"
  [(set (match_operand 0 "" "")
	(call (mem:SI (match_operand:DI 1 "symbol_ref_operand" "s,s"))
	      (match_operand 2 "" "")))
   (use (match_operand:SI 3 "immediate_operand" "O,n"))
   (use (match_operand:SI 4 "register_operand" "l,l"))
   (return)]
  "(DEFAULT_ABI == ABI_DARWIN)
   && (INTVAL (operands[3]) & CALL_LONG) == 0"
  "*
{
  return \"b %z1\";
}"
  [(set_attr "type" "branch,branch")
   (set_attr "length" "4,8")])


(define_insn "*sibcall_symbolic_64"
  [(call (mem:SI (match_operand:DI 0 "call_operand" "s,c")) ; 64
	 (match_operand 1 "" ""))
   (use (match_operand 2 "" ""))
   (use (match_operand:SI 3 "register_operand" "l,l"))
   (return)]
  "TARGET_64BIT && DEFAULT_ABI == ABI_DARWIN"
  "*
{
  switch (which_alternative)
    {
      case 0:  return \"b %z0\";
      case 1:  return \"b%T0\";
      default:  abort();
    }
}"
  [(set_attr "type" "branch")
   (set_attr "length" "4")])

(define_insn "*sibcall_value_symbolic_64"
  [(set (match_operand 0 "" "")
	(call (mem:SI (match_operand:DI 1 "call_operand" "s,c"))
	      (match_operand 2 "" "")))
   (use (match_operand:SI 3 "" ""))
   (use (match_operand:SI 4 "register_operand" "l,l"))
   (return)]
  "TARGET_64BIT && DEFAULT_ABI == ABI_DARWIN"
  "*
{
  switch (which_alternative)
    {
      case 0:  return \"b %z1\";
      case 1:  return \"b%T1\";
      default:  abort();
    }
}"
  [(set_attr "type" "branch")
   (set_attr "length" "4")])

/* APPLE LOCAL begin 64-bit */
(define_insn "*save_fpregs_with_label_di"
 [(match_parallel 0 "any_parallel_operand"
                  [(clobber (match_operand:DI 1 "register_operand" "=l"))
		   (use (match_operand:DI 2 "call_operand" "s"))
		   (use (match_operand:DI 3 "" ""))
		   (set (match_operand:DF 4 "memory_operand" "=m")
			(match_operand:DF 5 "gpc_reg_operand" "f"))])]
 "TARGET_64BIT"
 "*
#if TARGET_MACHO
  const char *picbase = machopic_function_base_name ();
  operands[3] = gen_rtx_SYMBOL_REF (Pmode, ggc_alloc_string (picbase, -1));
#endif
  return \"bl %z2\\n%3:\";
"
  [(set_attr "type" "branch")
   (set_attr "length" "4")])

(define_insn "*save_vregs_di"
 [(match_parallel 0 "any_parallel_operand"
                  [(clobber (match_operand:DI 1 "register_operand" "=l"))
		   (use (match_operand:DI 2 "call_operand" "s"))
		   (set (match_operand:V4SI 3 "any_operand" "=m")
			(match_operand:V4SI 4 "register_operand" "v"))])]
 "TARGET_64BIT"
 "bl %z2"
  [(set_attr "type" "branch")
   (set_attr "length" "4")])

(define_insn "*restore_vregs_di"
 [(match_parallel 0 "any_parallel_operand"
                  [(clobber (match_operand:DI 1 "register_operand" "=l"))
		   (use (match_operand:DI 2 "call_operand" "s"))
		   (clobber (match_operand:DI 3 "gpc_reg_operand" "=r"))
		   (set (match_operand:V4SI 4 "register_operand" "=v")
			(match_operand:V4SI 5 "any_operand" "m"))])]
 "TARGET_64BIT"
 "bl %z2")

(define_insn "*save_vregs_with_label_di"
 [(match_parallel 0 "any_parallel_operand"
                  [(clobber (match_operand:DI 1 "register_operand" "=l"))
		   (use (match_operand:DI 2 "call_operand" "s"))
		   (use (match_operand:DI 3 "" ""))
		   (set (match_operand:V4SI 4 "any_operand" "=m")
			(match_operand:V4SI 5 "register_operand" "v"))])]
 "TARGET_64BIT"
 "*
#if TARGET_MACHO
  const char *picbase = machopic_function_base_name ();
  operands[3] = gen_rtx_SYMBOL_REF (Pmode, ggc_alloc_string (picbase, -1));
#endif
  return \"bl %z2\\n%3:\";
"
  [(set_attr "type" "branch")
   (set_attr "length" "4")])
/* APPLE LOCAL end 64-bit */