gcc/config/spu/spu.opt

   1 ; Options for the SPU port of the compiler
   2 ; Copyright (C) 2006-2016 Free Software Foundation, Inc.
   3
   4 ; This file is free software; you can redistribute it and/or modify it under
   5 ; the terms of the GNU General Public License as published by the Free
   6 ; Software Foundation; either version 3 of the License, or (at your option)
   7 ; any later version.
   8
   9 ; This file is distributed in the hope that it will be useful, but WITHOUT
  10 ; ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11 ; FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12 ; for more details.
  13 ;
  14 ; You should have received a copy of the GNU General Public License
  15 ; along with GCC; see the file COPYING3.  If not see
  16 ; <http://www.gnu.org/licenses/>.
  17
  18 mwarn-reloc
  19 Target Report Mask(WARN_RELOC)
  20 Emit warnings when run-time relocations are generated.
  21
  22 merror-reloc
  23 Target Report Mask(ERROR_RELOC)
  24 Emit errors when run-time relocations are generated.
  25
  26 mbranch-cost=
  27 Target RejectNegative Joined UInteger Var(spu_branch_cost) Init(20)
  28 Specify cost of branches (Default 20).
  29
  30 msafe-dma
  31 Target Report RejectNegative Mask(SAFE_DMA)
  32 Make sure loads and stores are not moved past DMA instructions.
  33
  34 munsafe-dma
  35 Target Report RejectNegative InverseMask(SAFE_DMA)
  36 volatile must be specified on any memory that is effected by DMA.
  37
  38 mdual-nops
  39 Target Report Var(spu_dual_nops,10) Init(10)
  40 Insert nops when it might improve performance by allowing dual issue (default).
  41
  42 mdual-nops=
  43 Target RejectNegative Joined UInteger Var(spu_dual_nops)
  44 Insert nops when it might improve performance by allowing dual issue (default).
  45
  46 mstdmain
  47 Target Report Mask(STD_MAIN)
  48 Use standard main function as entry for startup.
  49
  50 mbranch-hints
  51 Target Report Mask(BRANCH_HINTS)
  52 Generate branch hints for branches.
  53
  54 mhint-max-nops=
  55 Target RejectNegative Joined UInteger Var(spu_max_nops) Init(2)
  56 Maximum number of nops to insert for a hint (Default 2).
  57
  58 mhint-max-distance=
  59 Target RejectNegative Joined Var(spu_max_distance_str)
  60 Approximate maximum number of instructions to allow between a hint and its branch [125].
  61
  62 msmall-mem
  63 Target Report RejectNegative InverseMask(LARGE_MEM)
  64 Generate code for 18 bit addressing.
  65
  66 mlarge-mem
  67 Target Report RejectNegative Mask(LARGE_MEM)
  68 Generate code for 32 bit addressing.
  69
  70 mfixed-range=
  71 Target RejectNegative Joined Var(spu_fixed_range_string)
  72 Specify range of registers to make fixed.
  73
  74 msafe-hints
  75 Target Report Mask(SAFE_HINTS)
  76 Insert hbrp instructions after hinted branch targets to avoid the SPU hang issue.
  77
  78 march=
  79 Target RejectNegative Joined Var(spu_arch_string)
  80 Generate code for given CPU.
  81
  82 mtune=
  83 Target RejectNegative Joined Var(spu_tune_string)
  84 Schedule code for given CPU.
  85
  86 mea32
  87 Target Report RejectNegative Var(spu_ea_model,32) Init(32)
  88 Access variables in 32-bit PPU objects (default).
  89
  90 mea64
  91 Target Report RejectNegative Var(spu_ea_model,64)
  92 Access variables in 64-bit PPU objects.
  93
  94 maddress-space-conversion
  95 Target Report Mask(ADDRESS_SPACE_CONVERSION)
  96 Allow conversions between __ea and generic pointers (default).
  97
  98 mcache-size=
  99 Target Report RejectNegative Joined UInteger
 100 Size (in KB) of software data cache.
 101
 102 matomic-updates
 103 Target Report
 104 Atomically write back software data cache lines (default).
 105