1 ; Options for the SPU port of the compiler
2 ; Copyright (C) 2006-2017 Free Software Foundation, Inc.
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)
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
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15 ; along with GCC; see the file COPYING3. If not see
16 ; <http://www.gnu.org/licenses/>.
19 Target Report Mask(WARN_RELOC)
20 Emit warnings when run-time relocations are generated.
23 Target Report Mask(ERROR_RELOC)
24 Emit errors when run-time relocations are generated.
27 Target RejectNegative Joined UInteger Var(spu_branch_cost) Init(20)
28 Specify cost of branches (Default 20).
31 Target Report RejectNegative Mask(SAFE_DMA)
32 Make sure loads and stores are not moved past DMA instructions.
35 Target Report RejectNegative InverseMask(SAFE_DMA)
36 volatile must be specified on any memory that is effected by DMA.
39 Target Report Var(spu_dual_nops,10) Init(10)
40 Insert nops when it might improve performance by allowing dual issue (default).
43 Target RejectNegative Joined UInteger Var(spu_dual_nops)
44 Insert nops when it might improve performance by allowing dual issue (default).
47 Target Report Mask(STD_MAIN)
48 Use standard main function as entry for startup.
51 Target Report Mask(BRANCH_HINTS)
52 Generate branch hints for branches.
55 Target RejectNegative Joined UInteger Var(spu_max_nops) Init(2)
56 Maximum number of nops to insert for a hint (Default 2).
59 Target RejectNegative Joined Var(spu_max_distance_str)
60 Approximate maximum number of instructions to allow between a hint and its branch [125].
63 Target Report RejectNegative InverseMask(LARGE_MEM)
64 Generate code for 18 bit addressing.
67 Target Report RejectNegative Mask(LARGE_MEM)
68 Generate code for 32 bit addressing.
71 Target RejectNegative Joined Var(spu_fixed_range_string)
72 Specify range of registers to make fixed.
75 Target Report Mask(SAFE_HINTS)
76 Insert hbrp instructions after hinted branch targets to avoid the SPU hang issue.
79 Target RejectNegative Joined Var(spu_arch_string)
80 Generate code for given CPU.
83 Target RejectNegative Joined Var(spu_tune_string)
84 Schedule code for given CPU.
87 Target Report RejectNegative Var(spu_ea_model,32) Init(32)
88 Access variables in 32-bit PPU objects (default).
91 Target Report RejectNegative Var(spu_ea_model,64)
92 Access variables in 64-bit PPU objects.
94 maddress-space-conversion
95 Target Report Mask(ADDRESS_SPACE_CONVERSION)
96 Allow conversions between __ea and generic pointers (default).
99 Target Report RejectNegative Joined UInteger
100 Size (in KB) of software data cache.
104 Atomically write back software data cache lines (default).