contrib/gcc/config/i386/seq-gas.h

   1 /* Definitions for Sequent Intel 386 using GAS.
   2    Copyright (C) 1992 Free Software Foundation, Inc.
   3
   4 /* Mostly it's like a Sequent 386 without GAS. */
   5
   6 #include "i386/sequent.h"
   7
   8 /* A C statement or statements which output an assembler instruction
   9    opcode to the stdio stream STREAM.  The macro-operand PTR is a
  10    variable of type `char *' which points to the opcode name in its
  11    "internal" form--the form that is written in the machine description.
  12
  13    GAS version 1.38.1 doesn't understand the `repz' opcode mnemonic.
  14    So use `repe' instead.  */
  15
  16 #undef ASM_OUTPUT_OPCODE
  17 #define ASM_OUTPUT_OPCODE(STREAM, PTR)  \
  18 {                                                                       \
  19   if ((PTR)[0] == 'r'                                                   \
  20       && (PTR)[1] == 'e'                                                \
  21       && (PTR)[2] == 'p')                                               \
  22     {                                                                   \
  23       if ((PTR)[3] == 'z')                                              \
  24         {                                                               \
  25           fprintf (STREAM, "repe");                                     \
  26           (PTR) += 4;                                                   \
  27         }                                                               \
  28       else if ((PTR)[3] == 'n' && (PTR)[4] == 'z')                      \
  29         {                                                               \
  30           fprintf (STREAM, "repne");                                    \
  31           (PTR) += 5;                                                   \
  32         }                                                               \
  33     }                                                                   \
  34 }
  35
  36 /* Define macro used to output shift-double opcodes when the shift
  37    count is in %cl.  Some assemblers require %cl as an argument;
  38    some don't.
  39
  40    GAS requires the %cl argument, so override i386/unix.h. */
  41
  42 #undef SHIFT_DOUBLE_OMITS_COUNT
  43 #define SHIFT_DOUBLE_OMITS_COUNT 0
  44
  45 /* Print opcodes the way that GAS expects them. */
  46 #define GAS_MNEMONICS 1