1 ; Options for the SPU port of the compiler
2 ; Copyright (C) 2006, 2007, 2008 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
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/>.
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