gcc/config/rs6000/t-rtems

   1 # Multilibs for powerpc RTEMS targets.
   2
   3 MULTILIB_OPTIONS        = \
   4 D_OLD_EXCEPTIONS \
   5 mcpu=403/mcpu=505/mcpu=601/mcpu=603e/mcpu=604/mcpu=860/mcpu=7400 \
   6 Dmpc8260 \
   7 msoft-float
   8
   9 MULTILIB_DIRNAMES       = \
  10 roe \
  11 m403 m505 m601 m603e m604 m860 m7400 \
  12 mpc8260 \
  13 nof
  14
  15 MULTILIB_EXTRA_OPTS     = mrelocatable-lib mno-eabi mstrict-align
  16
  17 # MULTILIB_MATCHES      = ${MULTILIB_MATCHES_FLOAT}
  18 MULTILIB_MATCHES        =
  19 MULTILIB_MATCHES        += ${MULTILIB_MATCHES_ENDIAN}
  20 MULTILIB_MATCHES        += ${MULTILIB_MATCHES_SYSV}
  21 # Map 405 to 403
  22 MULTILIB_MATCHES        += mcpu?403=mcpu?405
  23 # Map 602, 603e, 603 to 603e
  24 MULTILIB_MATCHES        += mcpu?603e=mcpu?602
  25 MULTILIB_MATCHES        += mcpu?603e=mcpu?603
  26 # Map 801, 821, 823 to 860
  27 MULTILIB_MATCHES        += mcpu?860=mcpu?801
  28 MULTILIB_MATCHES        += mcpu?860=mcpu?821
  29 MULTILIB_MATCHES        += mcpu?860=mcpu?823
  30 # Map 7450 to 7400
  31 MULTILIB_MATCHES        += mcpu?7400=mcpu?7450
  32
  33 # Map 750 to .
  34 MULTILIB_MATCHES        += mcpu?750=
  35
  36
  37 #
  38 # RTEMS old/new-exceptions handling
  39 #
  40 # old-exception processing is depredicated, therefore
  41 #
  42 # * Cpu-variants supporting new exception processing are build
  43 # with new exception processing only
  44 # * Cpu-variants not having been ported to new exception processing are
  45 # build with old and new exception processing
  46 #
  47
  48 # Cpu-variants supporting new exception processing only
  49 MULTILIB_NEW_EXCEPTIONS_ONLY = \
  50 D_OLD_EXCEPTIONS \
  51 D_OLD_EXCEPTIONS/msoft-float \
  52 D_OLD_EXCEPTIONS/mcpu=505 \
  53 D_OLD_EXCEPTIONS/mcpu=505/* \
  54 D_OLD_EXCEPTIONS/mcpu=601 \
  55 D_OLD_EXCEPTIONS/mcpu=601/* \
  56 D_OLD_EXCEPTIONS/mcpu=604 \
  57 D_OLD_EXCEPTIONS/mcpu=604/* \
  58 D_OLD_EXCEPTIONS/mcpu=750 \
  59 D_OLD_EXCEPTIONS/mcpu=750/* \
  60 D_OLD_EXCEPTIONS/mcpu=860 \
  61 D_OLD_EXCEPTIONS/mcpu=860/* \
  62 D_OLD_EXCEPTIONS/mcpu=7400 \
  63 D_OLD_EXCEPTIONS/mcpu=7400/* \
  64 D_OLD_EXCEPTIONS/*Dmpc*
  65
  66 # Soft-float only, default implies msoft-float
  67 # NOTE: Must match with MULTILIB_MATCHES_FLOAT and MULTILIB_MATCHES
  68 MULTILIB_SOFTFLOAT_ONLY = \
  69 *mcpu=401/*msoft-float* \
  70 *mcpu=403/*msoft-float* \
  71 *mcpu=405/*msoft-float* \
  72 *mcpu=801/*msoft-float* \
  73 *mcpu=821/*msoft-float* \
  74 *mcpu=823/*msoft-float* \
  75 *mcpu=860/*msoft-float*
  76
  77 # Hard-float only, take out msoft-float
  78 MULTILIB_HARDFLOAT_ONLY = \
  79 *mcpu=505/*msoft-float*
  80
  81 MULTILIB_EXCEPTIONS =
  82
  83 # Disallow -Dppc and -Dmpc without other options
  84 MULTILIB_EXCEPTIONS     += Dppc* Dmpc*
  85
  86 MULTILIB_EXCEPTIONS     += \
  87 ${MULTILIB_NEW_EXCEPTIONS_ONLY} \
  88 ${MULTILIB_SOFTFLOAT_ONLY} \
  89 ${MULTILIB_HARDFLOAT_ONLY}
  90
  91 # Special rules
  92 # Take out all variants we don't want
  93 MULTILIB_EXCEPTIONS += *mcpu=403/Dmpc*
  94 MULTILIB_EXCEPTIONS += *mcpu=505/Dmpc*
  95 MULTILIB_EXCEPTIONS += *mcpu=601/Dmpc*
  96 MULTILIB_EXCEPTIONS += *mcpu=604/Dmpc*
  97 MULTILIB_EXCEPTIONS += *mcpu=750/Dmpc*
  98 MULTILIB_EXCEPTIONS += *mcpu=860/Dmpc*
  99 MULTILIB_EXCEPTIONS += *mcpu=7400/Dmpc*