Revert:

	2007-10-09  Kazu Hirata  <kazu@codesourcery.com>
	* longlong.h (count_leading_zeros): Replace '{' and '}' with '%{'
	and '%}', respectively.

	Revert:
	2007-10-09  Kazu Hirata  <kazu@codesourcery.com>
	* config/m68k/m68k.c (print_operand): Handle '{' and '}'.
	* config/m68k/m68k.h (PRINT_OPERAND_PUNCT_VALID_P): Accept '{'
	and '}'.
	* config/m68k/m68k.md: Replace '{' with '%{' where '{' is
	meant to be output.

	Revert:
	2007-10-07  Kazu Hirata  <kazu@codesourcery.com>
	* config/m68k/m68k.c, config/m68k/m68k.md: Use the assembly
	syntax for ASSEMBLER_DIALECT.
	* config/m68k/m68k.h (ASSEMBLER_DIALECT): New.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@129202 138bc75d-0d04-0410-961f-82ee72b054a4

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 9e40190..c347d43 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,24 @@
+2007-10-10  Kazu Hirata  <kazu@codesourcery.com>
+
+       Revert:
+       2007-10-09  Kazu Hirata  <kazu@codesourcery.com>
+       * longlong.h (count_leading_zeros): Replace '{' and '}' with '%{'
+       and '%}', respectively.
+
+       Revert:
+       2007-10-09  Kazu Hirata  <kazu@codesourcery.com>
+       * config/m68k/m68k.c (print_operand): Handle '{' and '}'.
+       * config/m68k/m68k.h (PRINT_OPERAND_PUNCT_VALID_P): Accept '{'
+       and '}'.
+       * config/m68k/m68k.md: Replace '{' with '%{' where '{' is
+       meant to be output.
+
+       Revert:
+       2007-10-07  Kazu Hirata  <kazu@codesourcery.com>
+       * config/m68k/m68k.c, config/m68k/m68k.md: Use the assembly
+       syntax for ASSEMBLER_DIALECT.
+       * config/m68k/m68k.h (ASSEMBLER_DIALECT): New.
+
 2007-10-10  Revital Eres  <eres@il.ibm.com>
 
        * modulo-sched.c (check_nodes_order): Dump the final order of

diff --git a/gcc/config/m68k/m68k.c b/gcc/config/m68k/m68k.c
index 456f245..952b947 100644 (file)
--- a/gcc/config/m68k/m68k.c
+++ b/gcc/config/m68k/m68k.c
@@ -3375,8 +3375,8 @@ output_addsi3 (rtx *operands)
          && (INTVAL (operands[2]) < -32768 || INTVAL (operands[2]) > 32767))
         return "move%.l %2,%0\n\tadd%.l %1,%0";
       if (GET_CODE (operands[2]) == REG)
-       return "lea {(%1,%2.l)|%1@(0,%2:l)},%0";
-      return "lea {(%c2,%1)|%1@(%c2)},%0";
+       return MOTOROLA ? "lea (%1,%2.l),%0" : "lea %1@(0,%2:l),%0";
+      return MOTOROLA ? "lea (%c2,%1),%0" : "lea %1@(%c2),%0";
     }
   if (GET_CODE (operands[2]) == CONST_INT)
     {
@@ -3414,7 +3414,7 @@ output_addsi3 (rtx *operands)
          if (TUNE_68040)
            return "add%.w %2,%0";
          else
-           return "lea {(%c2,%0)|%0@(%c2)},%0";
+           return MOTOROLA ? "lea (%c2,%0),%0" : "lea %0@(%c2),%0";
        }
     }
   return "add%.l %2,%0";
@@ -3710,8 +3710,6 @@ floating_exact_log2 (rtx x)
    '&' for the letter `d' in an op code, but only on the 68040.
    '/' for register prefix needed by longlong.h.
    '?' for m68k_library_id_string
-   '{' for '{'
-   '}' for '}'
 
    'b' for byte insn (no effect, on the Sun; this is for the ISI).
    'd' to force memory addressing to be absolute, not relative.
@@ -3729,18 +3727,14 @@ print_operand (FILE *file, rtx op, int letter)
       if (MOTOROLA)
        fprintf (file, ".");
     }
-  else if (letter == '{')
-    fprintf (file, "{");
-  else if (letter == '}')
-    fprintf (file, "}");
   else if (letter == '#')
     asm_fprintf (file, "%I");
   else if (letter == '-')
-    asm_fprintf (file, "{-(%Rsp)|%Rsp@-}");
+    asm_fprintf (file, MOTOROLA ? "-(%Rsp)" : "%Rsp@-");
   else if (letter == '+')
-    asm_fprintf (file, "{(%Rsp)+|%Rsp@+}");
+    asm_fprintf (file, MOTOROLA ? "(%Rsp)+" : "%Rsp@+");
   else if (letter == '@')
-    asm_fprintf (file, "{(%Rsp)|%Rsp@}");
+    asm_fprintf (file, MOTOROLA ? "(%Rsp)" : "%Rsp@");
   else if (letter == '!')
     asm_fprintf (file, "%Rfpcr");
   else if (letter == '$')
@@ -3780,7 +3774,7 @@ print_operand (FILE *file, rtx op, int letter)
          && !(GET_CODE (XEXP (op, 0)) == CONST_INT
               && INTVAL (XEXP (op, 0)) < 0x8000
               && INTVAL (XEXP (op, 0)) >= -0x8000))
-       asm_fprintf (file, "{.|:}l");
+       fprintf (file, MOTOROLA ? ".l" : ":l");
     }
   else if (GET_CODE (op) == CONST_DOUBLE && GET_MODE (op) == SFmode)
     {
@@ -3840,11 +3834,11 @@ print_operand_address (FILE *file, rtx addr)
     gcc_unreachable ();
 
   if (address.code == PRE_DEC)
-    asm_fprintf (file, "{-(%s)|%s@-}",
-                M68K_REGNAME (REGNO (address.base)));
+    fprintf (file, MOTOROLA ? "-(%s)" : "%s@-",
+            M68K_REGNAME (REGNO (address.base)));
   else if (address.code == POST_INC)
-    asm_fprintf (file, "{(%s)+|%s@+}",
-                M68K_REGNAME (REGNO (address.base)));
+    fprintf (file, MOTOROLA ? "(%s)+" : "%s@+",
+            M68K_REGNAME (REGNO (address.base)));
   else if (!address.base && !address.index)
     {
       /* A constant address.  */
@@ -3853,7 +3847,7 @@ print_operand_address (FILE *file, rtx addr)
        {
          /* (xxx).w or (xxx).l.  */
          if (IN_RANGE (INTVAL (addr), -0x8000, 0x7fff))
-           asm_fprintf (file, "%d{.|:}w", (int) INTVAL (addr));
+           fprintf (file, MOTOROLA ? "%d.w" : "%d:w", (int) INTVAL (addr));
          else
            fprintf (file, HOST_WIDE_INT_PRINT_DEC, INTVAL (addr));
        }

diff --git a/gcc/config/m68k/m68k.h b/gcc/config/m68k/m68k.h
index a346b81..93b962a 100644 (file)
--- a/gcc/config/m68k/m68k.h
+++ b/gcc/config/m68k/m68k.h
@@ -29,10 +29,6 @@ along with GCC; see the file COPYING3.  If not see
 # define TARGET_VERSION fprintf (stderr, " (68k, MIT syntax)")
 #endif
 
-/* Options 0 and 1 are the Motorola and MIT syntaxes,
-   respectively.  */
-#define ASSEMBLER_DIALECT      !MOTOROLA
-
 /* Handle --with-cpu default option from configure script.  */
 #define OPTION_DEFAULT_SPECS                                           \
   { "cpu",   "%{!mc68000:%{!m68000:%{!m68302:%{!m68010:%{!mc68020:%{!m68020:\
@@ -975,11 +971,17 @@ do { if (cc_prev_status.flags & CC_IN_68881)                      \
 #define ASM_GENERATE_INTERNAL_LABEL(LABEL,PREFIX,NUM)  \
   sprintf (LABEL, "*%s%s%ld", LOCAL_LABEL_PREFIX, PREFIX, (long)(NUM))
 
-#define ASM_OUTPUT_REG_PUSH(FILE,REGNO)                                          \
-  asm_fprintf (FILE, "\tmove%.l %s,{-(%Rsp)|%Rsp@-}\n", reg_names[REGNO])
+#define ASM_OUTPUT_REG_PUSH(FILE,REGNO)                        \
+  asm_fprintf (FILE, (MOTOROLA                         \
+                     ? "\tmove.l %s,-(%Rsp)\n"         \
+                     : "\tmovel %s,%Rsp@-\n"),         \
+              reg_names[REGNO])
 
-#define ASM_OUTPUT_REG_POP(FILE,REGNO)                                      \
-  asm_fprintf (FILE, "\tmove%.l {(%Rsp)+|%Rsp@+},%s\n", reg_names[REGNO])
+#define ASM_OUTPUT_REG_POP(FILE,REGNO)                 \
+  asm_fprintf (FILE, (MOTOROLA                         \
+                     ? "\tmove.l (%Rsp)+,%s\n"         \
+                     : "\tmovel %Rsp@+,%s\n"),         \
+              reg_names[REGNO])
 
 /* The m68k does not use absolute case-vectors, but we must define this macro
    anyway.  */
@@ -1057,8 +1059,6 @@ do { if (cc_prev_status.flags & CC_IN_68881)                      \
    '&' for the letter `d' in an op code, but only on the 68040.
    '/' for register prefix needed by longlong.h.
    '?' for m68k_library_id_string
-   '{' for '{'
-   '}' for '}'
 
    'b' for byte insn (no effect, on the Sun; this is for the ISI).
    'd' to force memory addressing to be absolute, not relative.
@@ -1069,8 +1069,7 @@ do { if (cc_prev_status.flags & CC_IN_68881)                      \
 #define PRINT_OPERAND_PUNCT_VALID_P(CODE)                              \
   ((CODE) == '.' || (CODE) == '#' || (CODE) == '-'                     \
    || (CODE) == '+' || (CODE) == '@' || (CODE) == '!'                  \
-   || (CODE) == '$' || (CODE) == '&' || (CODE) == '/' || (CODE) == '?' \
-   || (CODE) == '{' || (CODE) == '}')
+   || (CODE) == '$' || (CODE) == '&' || (CODE) == '/' || (CODE) == '?')
 
 
 /* See m68k.c for the m68k specific codes.  */

diff --git a/gcc/config/m68k/m68k.md b/gcc/config/m68k/m68k.md
index 3191aec..68053b3 100644 (file)
--- a/gcc/config/m68k/m68k.md
+++ b/gcc/config/m68k/m68k.md
@@ -825,7 +825,7 @@
   "TUNE_68040_60"
 {
   if (which_alternative == 0)
-    return "lea 0{.|:}w,%0";
+    return MOTOROLA ? "lea 0.w,%0" : "lea 0:w,%0";
   else if (which_alternative == 1)
     return "clr%.l %0";
   else
@@ -1140,7 +1140,7 @@
        {
          /* On the '040, 'subl an,an' takes 2 clocks while lea takes only 1 */
          if (TUNE_68040_60)
-           return "lea 0{.|:}w,%0";
+           return MOTOROLA ? "lea 0.w,%0" : "lea 0:w,%0";
          else
            return "sub%.l %0,%0";
        }
@@ -2444,13 +2444,13 @@
       return "#";
 
     case 5:
-      return "lea {(%1,%2.l)|%1@(0,%2:l)},%0";
+      return MOTOROLA ? "lea (%1,%2.l),%0" : "lea %1@(0,%2:l),%0";
 
     case 6:
-      return "lea {(%2,%1.l)|%2@(0,%1:l)},%0";
+      return MOTOROLA ? "lea (%2,%1.l),%0" : "lea %2@(0,%1:l),%0";
 
     case 7:
-      return "lea {(%c2,%1)|%1@(%c2)},%0";
+      return MOTOROLA ? "lea (%c2,%1),%0" : "lea %1@(%c2),%0";
 
     default:
       gcc_unreachable ();
@@ -2521,7 +2521,7 @@
            }
        }
       if (ADDRESS_REG_P (operands[0]) && !TUNE_68040)
-       return "lea {(%c2,%0)|%0@(%c2)},%0";
+       return MOTOROLA ? "lea (%c2,%0),%0" : "lea %0@(%c2),%0";
     }
   return "add%.w %2,%0";
 })
@@ -2576,7 +2576,7 @@
            }
        }
       if (ADDRESS_REG_P (operands[0]) && !TUNE_68040)
-       return "lea {(%c1,%0)|%0@(%c1)},%0";
+       return MOTOROLA ? "lea (%c1,%0),%0" : "lea %0@(%c1),%0";
     }
   return "add%.w %1,%0";
 })
@@ -2625,7 +2625,7 @@
            }
        }
       if (ADDRESS_REG_P (operands[0]) && !TUNE_68040)
-       return "lea {(%c1,%0)|%0@(%c1)},%0";
+       return MOTOROLA ? "lea (%c1,%0),%0" : "lea %0@(%c1),%0";
     }
   return "add%.w %1,%0";
 })
@@ -2971,7 +2971,9 @@
        (mult:HI (match_operand:HI 1 "general_operand" "%0")
                 (match_operand:HI 2 "general_src_operand" "dmSn")))]
   ""
-  "muls{.w} %2,%0"
+{
+  return MOTOROLA ? "muls%.w %2,%0" : "muls %2,%0";
+}
   [(set_attr "type" "muls_w")
    (set_attr "opy" "2")])
 
@@ -2982,7 +2984,9 @@
                 (sign_extend:SI
                  (match_operand:HI 2 "nonimmediate_src_operand" "dmS"))))]
   ""
-  "muls{.w} %2,%0"
+{
+  return MOTOROLA ? "muls%.w %2,%0" : "muls %2,%0";
+}
   [(set_attr "type" "muls_w")
    (set_attr "opy" "2")])
 
@@ -2992,7 +2996,9 @@
                  (match_operand:HI 1 "nonimmediate_operand" "%0"))
                 (match_operand:SI 2 "const_int_operand" "n")))]
   "INTVAL (operands[2]) >= -0x8000 && INTVAL (operands[2]) <= 0x7fff"
-  "muls{.w} %2,%0"
+{
+  return MOTOROLA ? "muls%.w %2,%0" : "muls %2,%0";
+}
   [(set_attr "type" "muls_w")
    (set_attr "opy" "2")])
 
@@ -3029,7 +3035,9 @@
                 (zero_extend:SI
                  (match_operand:HI 2 "nonimmediate_src_operand" "dmS"))))]
   ""
-  "mulu{.w} %2,%0"
+{
+  return MOTOROLA ? "mulu%.w %2,%0" : "mulu %2,%0";
+}
   [(set_attr "type" "mulu_w")
    (set_attr "opy" "2")])
 
@@ -3039,7 +3047,9 @@
                  (match_operand:HI 1 "nonimmediate_operand" "%0"))
                 (match_operand:SI 2 "const_int_operand" "n")))]
   "INTVAL (operands[2]) >= 0 && INTVAL (operands[2]) <= 0xffff"
-  "mulu{.w} %2,%0"
+{
+  return MOTOROLA ? "mulu%.w %2,%0" : "mulu %2,%0";
+}
   [(set_attr "type" "mulu_w")
    (set_attr "opy" "2")])
 
@@ -3462,7 +3472,10 @@
        (mod:HI (match_dup 1) (match_dup 2)))]
   "!TARGET_COLDFIRE || TARGET_CF_HWDIV"
 {
-  output_asm_insn ("ext%.l %0\;divs{.w} %2,%0", operands);
+  output_asm_insn (MOTOROLA ?
+    "ext%.l %0\;divs%.w %2,%0" :
+    "extl %0\;divs %2,%0",
+    operands);
   if (!find_reg_note(insn, REG_UNUSED, operands[3]))
     {
       CC_STATUS_INIT;
@@ -3481,9 +3494,15 @@
   "!TARGET_COLDFIRE || TARGET_CF_HWDIV"
 {
   if (ISA_HAS_MVS_MVZ)
-    output_asm_insn ("mvz%.w %0,%0\;divu{.w} %2,%0", operands);
+    output_asm_insn (MOTOROLA ?
+      "mvz%.w %0,%0\;divu%.w %2,%0" :
+      "mvz%.w %0,%0\;divu %2,%0",
+      operands);
   else
-    output_asm_insn ("and%.l #0xFFFF,%0\;divu{.w} %2,%0", operands);
+    output_asm_insn (MOTOROLA ?
+      "and%.l #0xFFFF,%0\;divu%.w %2,%0" :
+      "and%.l #0xFFFF,%0\;divu %2,%0",
+      operands);
 
   if (!find_reg_note(insn, REG_UNUSED, operands[3]))
     {
@@ -5487,7 +5506,7 @@
   if (REG_P (operands[0]))
     {
       if (INTVAL (operands[1]) + INTVAL (operands[2]) != 32)
-        return "bfins %3,%0%{%b2:%b1%}";
+        return "bfins %3,%0{%b2:%b1}";
     }
   else
     operands[0] = adjust_address (operands[0],
@@ -5542,7 +5561,7 @@
   if (REG_P (operands[1]))
     {
       if (INTVAL (operands[2]) + INTVAL (operands[3]) != 32)
-       return "bfextu %1%{%b3:%b2%},%0";
+       return "bfextu %1{%b3:%b2},%0";
     }
   else
     operands[1]
@@ -5595,7 +5614,7 @@
   if (REG_P (operands[1]))
     {
       if (INTVAL (operands[2]) + INTVAL (operands[3]) != 32)
-       return "bfexts %1%{%b3:%b2%},%0";
+       return "bfexts %1{%b3:%b2},%0";
     }
   else
     operands[1]
@@ -5626,7 +5645,7 @@
                         (match_operand:SI 2 "nonmemory_operand" "dn")
                         (match_operand:SI 3 "nonmemory_operand" "dn")))]
   "TARGET_68020 && TARGET_BITFIELD"
-  "bfexts %1%{%b3:%b2%},%0")
+  "bfexts %1{%b3:%b2},%0")
 
 (define_expand "extzv"
   [(set (match_operand:SI 0 "register_operand" "")
@@ -5652,7 +5671,7 @@
     {
       CC_STATUS_INIT;
     }
-  return "bfextu %1%{%b3:%b2%},%0";
+  return "bfextu %1{%b3:%b2},%0";
 })
 
 (define_insn ""
@@ -5667,7 +5686,7 @@
            && (~ INTVAL (operands[3]) & ((1 << INTVAL (operands[1]))- 1)) == 0))"
 {
   CC_STATUS_INIT;
-  return "bfchg %0%{%b2:%b1%}";
+  return "bfchg %0{%b2:%b1}";
 })
 
 (define_insn ""
@@ -5678,7 +5697,7 @@
   "TARGET_68020 && TARGET_BITFIELD"
 {
   CC_STATUS_INIT;
-  return "bfclr %0%{%b2:%b1%}";
+  return "bfclr %0{%b2:%b1}";
 })
 
 (define_insn ""
@@ -5689,7 +5708,7 @@
   "TARGET_68020 && TARGET_BITFIELD"
 {
   CC_STATUS_INIT;
-  return "bfset %0%{%b2:%b1%}";
+  return "bfset %0{%b2:%b1}";
 })
 
 (define_expand "insv"
@@ -5706,7 +5725,7 @@
                         (match_operand:SI 2 "nonmemory_operand" "dn"))
        (match_operand:SI 3 "register_operand" "d"))]
   "TARGET_68020 && TARGET_BITFIELD"
-  "bfins %3,%0%{%b2:%b1%}")
+  "bfins %3,%0{%b2:%b1}")
 
 ;; Now recognize bit-field insns that operate on registers
 ;; (or at least were intended to do so).
@@ -5717,7 +5736,7 @@
                         (match_operand:SI 2 "const_int_operand" "n")
                         (match_operand:SI 3 "const_int_operand" "n")))]
   "TARGET_68020 && TARGET_BITFIELD"
-  "bfexts %1%{%b3:%b2%},%0")
+  "bfexts %1{%b3:%b2},%0")
 
 (define_insn ""
   [(set (match_operand:SI 0 "nonimmediate_operand" "=d")
@@ -5735,7 +5754,7 @@
     {
       CC_STATUS_INIT;
     }
-  return "bfextu %1%{%b3:%b2%},%0";
+  return "bfextu %1{%b3:%b2},%0";
 })
 
 (define_insn ""
@@ -5746,7 +5765,7 @@
   "TARGET_68020 && TARGET_BITFIELD"
 {
   CC_STATUS_INIT;
-  return "bfclr %0%{%b2:%b1%}";
+  return "bfclr %0{%b2:%b1}";
 })
 
 (define_insn ""
@@ -5757,7 +5776,7 @@
   "TARGET_68020 && TARGET_BITFIELD"
 {
   CC_STATUS_INIT;
-  return "bfset %0%{%b2:%b1%}";
+  return "bfset %0{%b2:%b1}";
 })
 
 (define_insn ""
@@ -5776,7 +5795,7 @@
       && INTVAL (operands[1]) == 24 && INTVAL (operands[2]) == 8)
     return "move%.b %3,%0";
 #endif
-  return "bfins %3,%0%{%b2:%b1%}";
+  return "bfins %3,%0{%b2:%b1}";
 })
 \f
 ;; Special patterns for optimizing bit-field instructions.
@@ -5801,7 +5820,7 @@
     }
   if (INTVAL (operands[1]) != 32)
     cc_status.flags = CC_NOT_NEGATIVE;
-  return "bftst %0%{%b2:%b1%}";
+  return "bftst %0{%b2:%b1}";
 })
 
 
@@ -5825,7 +5844,7 @@
     }
   if (INTVAL (operands[1]) != 32)
     cc_status.flags = CC_NOT_NEGATIVE;
-  return "bftst %0%{%b2:%b1%}";
+  return "bftst %0{%b2:%b1}";
 })
 \f
 (define_insn "scc0_di"
@@ -6813,7 +6832,9 @@
   [(set (pc) (match_operand:SI 0 "register_operand" "a"))
    (use (label_ref (match_operand 1 "" "")))]
   ""
-  "jmp {(%0)|%0@}"
+{
+  return MOTOROLA ? "jmp (%0)" : "jmp %0@";
+}
   [(set_attr "type" "bra")])
 
 ;; Jump to variable address from dispatch table of relative addresses.
@@ -6830,12 +6851,14 @@
   if (TARGET_COLDFIRE)
     {
       if (ADDRESS_REG_P (operands[0]))
-       return "jmp {(2,pc,%0.l)|pc@(2,%0:l)}";
+       return MOTOROLA ? "jmp (2,pc,%0.l)" : "jmp pc@(2,%0:l)";
+      else if (MOTOROLA)
+       return "ext%.l %0\;jmp (2,pc,%0.l)";
       else
-       return "ext%.l %0\;jmp {(2,pc,%0.l)|pc@(2,%0:l)}";
+       return "extl %0\;jmp pc@(2,%0:l)";
     }
   else
-    return "jmp {(2,pc,%0.w)|pc@(2,%0:w)}";
+    return MOTOROLA ? "jmp (2,pc,%0.w)" : "jmp pc@(2,%0:w)";
 #endif
 })
 
@@ -7202,10 +7225,12 @@
   "TARGET_68020 || INTVAL (operands[1]) >= -0x8004"
 {
   operands[1] = GEN_INT (INTVAL (operands[1]) + 4);
-  if (INTVAL (operands[1]) >= -0x8000)
-    return "link{.w} %0,%1";
+  if (!MOTOROLA)
+    return "link %0,%1";
+  else if (INTVAL (operands[1]) >= -0x8000)
+    return "link.w %0,%1";
   else
-    return "link{.l} %0,%1";
+    return "link.l %0,%1";
 })
 
 (define_expand "unlink"
@@ -7238,7 +7263,7 @@
   if (TARGET_ID_SHARED_LIBRARY)
     {
       operands[1] = gen_rtx_REG (Pmode, PIC_REG);
-      return "move%.l {%?(%1)|%1@(%?)},%0";
+      return MOTOROLA ? "move.l %?(%1),%0" : "movel %1@(%?), %0";
     }
   else if (MOTOROLA)
     {

diff --git a/gcc/longlong.h b/gcc/longlong.h
index 59fdc5e..8350fbc 100644 (file)
--- a/gcc/longlong.h
+++ b/gcc/longlong.h
@@ -553,7 +553,7 @@ UDItype __umulsidi3 (USItype, USItype);
    cpu32 disguises as a 68020, but lacks them.  */
 #if defined (__mc68020__) && !defined (__mcpu32__)
 #define count_leading_zeros(count, x) \
-  __asm__ ("bfffo %1%{%b2:%b2%},%0"                                    \
+  __asm__ ("bfffo %1{%b2:%b2},%0"                                      \
           : "=d" ((USItype) (count))                                   \
           : "od" ((USItype) (x)), "n" (0))
 /* Some ColdFire architectures have a ff1 instruction supported via