gcc-ppc-descriptions.patch

   1 # DP: Add descriptions to rs6000.h and sysv4.h to quench warnings.
   2 # DP:  by Franz Sirl
   3
   4 Index: gcc/config/rs6000/rs6000.h
   5 --- rs6000.h    1999/06/09 15:59:37     1.49.4.1
   6 +++ gcc/config/rs6000/rs6000.h  1999/06/12 18:55:36
   7 @@ -352,46 +352,81 @@ extern int target_flags;
   8  #endif
   9
  10  #define TARGET_SWITCHES                                                        \
  11 - {{"power",            MASK_POWER  | MASK_MULTIPLE | MASK_STRING},     \
  12 + {{"power",            MASK_POWER  | MASK_MULTIPLE | MASK_STRING,      \
  13 +                       "Use POWER instruction set"},                   \
  14    {"power2",           (MASK_POWER | MASK_MULTIPLE | MASK_STRING       \
  15 -                        | MASK_POWER2)},                               \
  16 -  {"no-power2",                - MASK_POWER2},                                 \
  17 +                        | MASK_POWER2),                                \
  18 +                       "Use POWER2 instruction set"},                  \
  19 +  {"no-power2",                - MASK_POWER2,                                  \
  20 +                       "Do not use POWER2 instruction set"},           \
  21    {"no-power",         - (MASK_POWER | MASK_POWER2 | MASK_MULTIPLE     \
  22 -                          | MASK_STRING)},                             \
  23 -  {"powerpc",          MASK_POWERPC},                                  \
  24 +                          | MASK_STRING),                              \
  25 +                       "Do not use POWER instruction set"},            \
  26 +  {"powerpc",          MASK_POWERPC,                                   \
  27 +                       "Use PowerPC instruction set"},                 \
  28    {"no-powerpc",       - (MASK_POWERPC | MASK_PPC_GPOPT                \
  29 -                          | MASK_PPC_GFXOPT | MASK_POWERPC64)},        \
  30 -  {"powerpc-gpopt",    MASK_POWERPC | MASK_PPC_GPOPT},                 \
  31 -  {"no-powerpc-gpopt", - MASK_PPC_GPOPT},                              \
  32 -  {"powerpc-gfxopt",   MASK_POWERPC | MASK_PPC_GFXOPT},                \
  33 -  {"no-powerpc-gfxopt",        - MASK_PPC_GFXOPT},                             \
  34 -  {"powerpc64",                MASK_POWERPC64},                                \
  35 -  {"no-powerpc64",     - MASK_POWERPC64},                              \
  36 -  {"new-mnemonics",    MASK_NEW_MNEMONICS},                            \
  37 -  {"old-mnemonics",    -MASK_NEW_MNEMONICS},                           \
  38 +                          | MASK_PPC_GFXOPT | MASK_POWERPC64),         \
  39 +                       "Do not use PowerPC instruction set"},          \
  40 +  {"powerpc-gpopt",    MASK_POWERPC | MASK_PPC_GPOPT,                  \
  41 +                       "Use PowerPC General Purpose group optional instructions"},\
  42 +  {"no-powerpc-gpopt", - MASK_PPC_GPOPT,                               \
  43 +                       "Don't use PowerPC General Purpose group optional instructions"},\
  44 +  {"powerpc-gfxopt",   MASK_POWERPC | MASK_PPC_GFXOPT,                 \
  45 +                       "Use PowerPC Graphics group optional instructions"},\
  46 +  {"no-powerpc-gfxopt",        - MASK_PPC_GFXOPT,                              \
  47 +                       "Don't use PowerPC Graphics group optional instructions"},\
  48 +  {"powerpc64",                MASK_POWERPC64,                                 \
  49 +                       "Use PowerPC-64 instruction set"},              \
  50 +  {"no-powerpc64",     - MASK_POWERPC64,                               \
  51 +                       "Don't use PowerPC-64 instruction set"},        \
  52 +  {"new-mnemonics",    MASK_NEW_MNEMONICS,                             \
  53 +                       "Use new mnemonics for PowerPC architecture"},  \
  54 +  {"old-mnemonics",    -MASK_NEW_MNEMONICS,                            \
  55 +                       "Use old mnemonics for PowerPC architecture"},  \
  56    {"full-toc",         - (MASK_NO_FP_IN_TOC | MASK_NO_SUM_IN_TOC       \
  57 -                          | MASK_MINIMAL_TOC)},                        \
  58 -  {"fp-in-toc",                - MASK_NO_FP_IN_TOC},                           \
  59 -  {"no-fp-in-toc",     MASK_NO_FP_IN_TOC},                             \
  60 -  {"sum-in-toc",       - MASK_NO_SUM_IN_TOC},                          \
  61 -  {"no-sum-in-toc",    MASK_NO_SUM_IN_TOC},                            \
  62 -  {"minimal-toc",      MASK_MINIMAL_TOC},                              \
  63 -  {"minimal-toc",      - (MASK_NO_FP_IN_TOC | MASK_NO_SUM_IN_TOC)},    \
  64 -  {"no-minimal-toc",   - MASK_MINIMAL_TOC},                            \
  65 -  {"hard-float",       - MASK_SOFT_FLOAT},                             \
  66 -  {"soft-float",       MASK_SOFT_FLOAT},                               \
  67 -  {"multiple",         MASK_MULTIPLE | MASK_MULTIPLE_SET},             \
  68 -  {"no-multiple",      - MASK_MULTIPLE},                               \
  69 -  {"no-multiple",      MASK_MULTIPLE_SET},                             \
  70 -  {"string",           MASK_STRING | MASK_STRING_SET},                 \
  71 -  {"no-string",                - MASK_STRING},                                 \
  72 -  {"no-string",                MASK_STRING_SET},                               \
  73 -  {"update",           - MASK_NO_UPDATE},                              \
  74 -  {"no-update",                MASK_NO_UPDATE},                                \
  75 -  {"fused-madd",       - MASK_NO_FUSED_MADD},                          \
  76 -  {"no-fused-madd",    MASK_NO_FUSED_MADD},                            \
  77 +                          | MASK_MINIMAL_TOC),                         \
  78 +                       "no description yet"},                          \
  79 +  {"fp-in-toc",                - MASK_NO_FP_IN_TOC,                            \
  80 +                       "Place floating point constants in TOC"},       \
  81 +  {"no-fp-in-toc",     MASK_NO_FP_IN_TOC,                              \
  82 +                       "Don't place floating point constants in TOC"}, \
  83 +  {"sum-in-toc",       - MASK_NO_SUM_IN_TOC,                           \
  84 +                       "Place symbol+offset constants in TOC"},        \
  85 +  {"no-sum-in-toc",    MASK_NO_SUM_IN_TOC,                             \
  86 +                       "Don't place symbol+offset constants in TOC"},  \
  87 +  {"minimal-toc",      MASK_MINIMAL_TOC,                               \
  88 +                       "no description yet"},                          \
  89 +  {"minimal-toc",      - (MASK_NO_FP_IN_TOC | MASK_NO_SUM_IN_TOC),     \
  90 +                       "no description yet"},                          \
  91 +  {"no-minimal-toc",   - MASK_MINIMAL_TOC,                             \
  92 +                       "no description yet"},                          \
  93 +  {"hard-float",       - MASK_SOFT_FLOAT,                              \
  94 +                       "Use hardware fp"},                             \
  95 +  {"soft-float",       MASK_SOFT_FLOAT,                                \
  96 +                       "Do not use hardware fp"},                      \
  97 +  {"multiple",         MASK_MULTIPLE | MASK_MULTIPLE_SET,              \
  98 +                       "Generate load/store multiple instructions"},   \
  99 +  {"no-multiple",      - MASK_MULTIPLE,                                \
 100 +                       "Do not generate load/store multiple instructions"},\
 101 +  {"no-multiple",      MASK_MULTIPLE_SET,                              \
 102 +                       "Do not generate load/store multiple instructions"},\
 103 +  {"string",           MASK_STRING | MASK_STRING_SET,                  \
 104 +                       "Generate string instructions for block moves"},\
 105 +  {"no-string",                - MASK_STRING,                                  \
 106 +                       "Do not generate string instructions for block moves"},\
 107 +  {"no-string",                MASK_STRING_SET,                                \
 108 +                       "Do not generate string instructions for block moves"},\
 109 +  {"update",           - MASK_NO_UPDATE,                               \
 110 +                       "Generate load/store with update instructions"},\
 111 +  {"no-update",                MASK_NO_UPDATE,                                 \
 112 +                       "Do not generate load/store with update instructions"},\
 113 +  {"fused-madd",       - MASK_NO_FUSED_MADD,                           \
 114 +                       "Generate fused multiply/add instructions"},    \
 115 +  {"no-fused-madd",    MASK_NO_FUSED_MADD,                             \
 116 +                       "Don't generate fused multiply/add instructions"},\
 117    SUBTARGET_SWITCHES                                                   \
 118 -  {"",                 TARGET_DEFAULT}}
 119 +  {"",                 TARGET_DEFAULT,                                 \
 120 +                       ""}}
 121
 122  #define TARGET_DEFAULT (MASK_POWER | MASK_MULTIPLE | MASK_STRING)
 123
 124 @@ -449,13 +484,13 @@ extern enum processor_type rs6000_cpu;
 125  #define        SUBTARGET_OPTIONS
 126  #endif
 127
 128 -#define TARGET_OPTIONS                         \
 129 -{                                              \
 130 -   {"cpu=",  &rs6000_select[1].string},                \
 131 -   {"tune=", &rs6000_select[2].string},                \
 132 -   {"debug-", &rs6000_debug_name},             \
 133 -   {"debug=", &rs6000_debug_name},             \
 134 -   SUBTARGET_OPTIONS                           \
 135 +#define TARGET_OPTIONS                                                 \
 136 +{                                                                      \
 137 +   {"cpu=",  &rs6000_select[1].string, "Use features of and schedule code for given CPU" },\
 138 +   {"tune=", &rs6000_select[2].string, "Schedule code for given CPU" },        \
 139 +   {"debug-", &rs6000_debug_name, "Enable debug output" },             \
 140 +   {"debug=", &rs6000_debug_name, "Enable debug output" },             \
 141 +   SUBTARGET_OPTIONS                                                   \
 142  }
 143
 144  /* rs6000_select[0] is reserved for the default cpu defined via --with-cpu */
 145 Index: gcc/config/rs6000/sysv4.h
 146 --- sysv4.h     1999/05/28 02:46:56     1.19.4.1
 147 +++ gcc/config/rs6000/sysv4.h   1999/06/12 18:55:38
 148 @@ -66,39 +66,39 @@ extern enum rs6000_sdata_type rs6000_sda
 149     the same as -mminimal-toc.  */
 150  #undef SUBTARGET_SWITCHES
 151  #define SUBTARGET_SWITCHES                                             \
 152 -  { "bit-align",       -MASK_NO_BITFIELD_TYPE },                       \
 153 -  { "no-bit-align",     MASK_NO_BITFIELD_TYPE },                       \
 154 -  { "strict-align",     MASK_STRICT_ALIGN },                           \
 155 -  { "no-strict-align", -MASK_STRICT_ALIGN },                           \
 156 -  { "relocatable",      MASK_RELOCATABLE | MASK_MINIMAL_TOC | MASK_NO_FP_IN_TOC }, \
 157 -  { "no-relocatable",  -MASK_RELOCATABLE },                            \
 158 -  { "relocatable-lib",  MASK_RELOCATABLE | MASK_MINIMAL_TOC | MASK_NO_FP_IN_TOC }, \
 159 -  { "no-relocatable-lib", -MASK_RELOCATABLE },                         \
 160 -  { "little-endian",    MASK_LITTLE_ENDIAN },                          \
 161 -  { "little",           MASK_LITTLE_ENDIAN },                          \
 162 -  { "big-endian",      -MASK_LITTLE_ENDIAN },                          \
 163 -  { "big",             -MASK_LITTLE_ENDIAN },                          \
 164 -  { "no-toc",           0 },                                           \
 165 -  { "toc",              MASK_MINIMAL_TOC },                            \
 166 -  { "full-toc",                 MASK_MINIMAL_TOC },                            \
 167 -  { "prototype",        MASK_PROTOTYPE },                              \
 168 -  { "no-prototype",    -MASK_PROTOTYPE },                              \
 169 -  { "no-traceback",     0 },                                           \
 170 -  { "eabi",             MASK_EABI },                                   \
 171 -  { "no-eabi",         -MASK_EABI },                                   \
 172 -  { "regnames",                  MASK_REGNAMES },                              \
 173 -  { "no-regnames",      -MASK_REGNAMES },                              \
 174 -  { "sdata",            0 },                                           \
 175 -  { "no-sdata",                 0 },                                           \
 176 -  { "sim",              0 },                                           \
 177 -  { "ads",              0 },                                           \
 178 -  { "yellowknife",      0 },                                           \
 179 -  { "mvme",             0 },                                           \
 180 -  { "emb",              0 },                                           \
 181 -  { "solaris-cclib",    0 },                                           \
 182 -  { "shlib",            0 },                                           \
 183 -  EXTRA_SUBTARGET_SWITCHES                                              \
 184 -  { "newlib",           0 },
 185 +  { "bit-align",       -MASK_NO_BITFIELD_TYPE, "Align to the base type of the bitfield." },\
 186 +  { "no-bit-align",     MASK_NO_BITFIELD_TYPE, "Don't align to the base type of the bitfield." },\
 187 +  { "strict-align",     MASK_STRICT_ALIGN, "Don't assume that unaligned accesses are handled by the system" },\
 188 +  { "no-strict-align", -MASK_STRICT_ALIGN, "Assume that unaligned accesses are handled by the system" },\
 189 +  { "relocatable",      MASK_RELOCATABLE | MASK_MINIMAL_TOC | MASK_NO_FP_IN_TOC, "Produce code relocatable at runtime." },\
 190 +  { "no-relocatable",  -MASK_RELOCATABLE, "Don't produce code relocatable at runtime." },\
 191 +  { "relocatable-lib",  MASK_RELOCATABLE | MASK_MINIMAL_TOC | MASK_NO_FP_IN_TOC, "Produce code relocatable at runtime." },\
 192 +  { "no-relocatable-lib", -MASK_RELOCATABLE, "Don't produce code relocatable at runtime." },\
 193 +  { "little-endian",    MASK_LITTLE_ENDIAN, "Produce little endian code." },   \
 194 +  { "little",           MASK_LITTLE_ENDIAN, "Produce little endian code." },   \
 195 +  { "big-endian",      -MASK_LITTLE_ENDIAN, "Produce big endian code." },      \
 196 +  { "big",             -MASK_LITTLE_ENDIAN, "Produce big endian code." },      \
 197 +  { "no-toc",           0, "no description yet" },                             \
 198 +  { "toc",              MASK_MINIMAL_TOC, "no description yet" },              \
 199 +  { "full-toc",                 MASK_MINIMAL_TOC, "no description yet" },              \
 200 +  { "prototype",        MASK_PROTOTYPE, "no description yet" },                \
 201 +  { "no-prototype",    -MASK_PROTOTYPE, "no description yet" },                \
 202 +  { "no-traceback",     0, "no description yet" },                             \
 203 +  { "eabi",             MASK_EABI, "Use EABI." },                              \
 204 +  { "no-eabi",         -MASK_EABI, "Don't use EABI." },                        \
 205 +  { "regnames",                  MASK_REGNAMES, "Use alternate register names." },     \
 206 +  { "no-regnames",      -MASK_REGNAMES, "Don't use alternate register names." },\
 207 +  { "sdata",            0, "no description yet" },                             \
 208 +  { "no-sdata",                 0, "no description yet" },                             \
 209 +  { "sim",              0, "Link with libsim.a, libc.a and sim-crt0.o." },     \
 210 +  { "ads",              0, "Link with libads.a, libc.a and crt0.o." },         \
 211 +  { "yellowknife",      0, "Link with libyk.a, libc.a and crt0.o." },          \
 212 +  { "mvme",             0, "Link with libmvme.a, libc.a and crt0.o." },        \
 213 +  { "emb",              0, "Set the PPC_EMB bit in the ELF flags header" },    \
 214 +  { "solaris-cclib",    0, "no description yet" },                             \
 215 +  { "shlib",            0, "no description yet" },                             \
 216 +  EXTRA_SUBTARGET_SWITCHES                                                     \
 217 +  { "newlib",           0, "no description yet" },
 218
 219  /* This is meant to be redefined in the host dependent files */
 220  #define EXTRA_SUBTARGET_SWITCHES
 221 @@ -111,8 +111,8 @@ extern const char *rs6000_abi_name;
 222  extern const char *rs6000_sdata_name;
 223
 224  #define SUBTARGET_OPTIONS                                              \
 225 -  { "call-",  &rs6000_abi_name},                                       \
 226 -  { "sdata=", &rs6000_sdata_name}
 227 +  { "call-",  &rs6000_abi_name, "Select ABI calling convention." },                    \
 228 +  { "sdata=", &rs6000_sdata_name, "Select method for sdata handling." }
 229
 230  /* Max # of bytes for variables to automatically be put into the .sdata
 231     or .sdata2 sections.  */