Mercurial > hg > CbC > CbC_gcc
comparison gcc/config/spu/spu.opt @ 0:a06113de4d67
first commit
| author | kent <kent@cr.ie.u-ryukyu.ac.jp> |
|---|---|
| date | Fri, 17 Jul 2009 14:47:48 +0900 |
| parents | |
| children | 77e2b8dfacca |
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| -1:000000000000 | 0:a06113de4d67 |
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| 1 ; Options for the SPU port of the compiler | |
| 2 ; Copyright (C) 2006, 2007, 2008 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 |