1 ; Options of Andes NDS32 cpu for GNU compiler
2 ; Copyright (C) 2012-2015 Free Software Foundation, Inc.
3 ; Contributed by Andes Technology Corporation.
5 ; This file is part of GCC.
7 ; GCC is free software; you can redistribute it and/or modify it
8 ; under the terms of the GNU General Public License as published
9 ; by the Free Software Foundation; either version 3, or (at your
10 ; option) any later version.
12 ; GCC is distributed in the hope that it will be useful, but WITHOUT
13 ; ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
14 ; or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
15 ; License for more details.
17 ; You should have received a copy of the GNU General Public License
18 ; along with GCC; see the file COPYING3. If not see
19 ; <http://www.gnu.org/licenses/>.
22 config/nds32/nds32-opts.h
25 Target Report RejectNegative Negative(mlittle-endian) Mask(BIG_ENDIAN)
26 Generate code in big-endian mode.
29 Target Report RejectNegative Negative(mbig-endian) InverseMask(BIG_ENDIAN)
30 Generate code in little-endian mode.
33 Target Report RejectNegative Negative(mfull-regs) Mask(REDUCED_REGS)
34 Use reduced-set registers for register allocation.
37 Target Report RejectNegative Negative(mreduced-regs) InverseMask(REDUCED_REGS)
38 Use full-set registers for register allocation.
41 Target Report Mask(CMOV)
42 Generate conditional move instructions.
45 Target Report Mask(PERF_EXT)
46 Generate performance extension instructions.
49 Target Report Mask(V3PUSH)
50 Generate v3 push25/pop25 instructions.
53 Target Report Mask(16_BIT)
54 Generate 16-bit instructions.
57 Target RejectNegative Joined UInteger Var(nds32_isr_vector_size) Init(NDS32_DEFAULT_ISR_VECTOR_SIZE)
58 Specify the size of each interrupt vector, which must be 4 or 16.
61 Target RejectNegative Joined UInteger Var(nds32_cache_block_size) Init(NDS32_DEFAULT_CACHE_BLOCK_SIZE)
62 Specify the size of each cache block, which must be a power of 2 between 4 and 512.
65 Target RejectNegative Joined Enum(nds32_arch_type) Var(nds32_arch_option) Init(ARCH_V3)
66 Specify the name of the target architecture.
69 Name(nds32_arch_type) Type(enum nds32_arch_type)
70 Known arch types (for use with the -march= option):
73 Enum(nds32_arch_type) String(v2) Value(ARCH_V2)
76 Enum(nds32_arch_type) String(v3) Value(ARCH_V3)
79 Enum(nds32_arch_type) String(v3m) Value(ARCH_V3M)
82 Target RejectNegative Joined Enum(nds32_cmodel_type) Var(nds32_cmodel_option) Init(CMODEL_MEDIUM)
83 Specify the address generation strategy for code model.
86 Name(nds32_cmodel_type) Type(enum nds32_cmodel_type)
87 Known cmodel types (for use with the -mcmodel= option):
90 Enum(nds32_cmodel_type) String(small) Value(CMODEL_SMALL)
93 Enum(nds32_cmodel_type) String(medium) Value(CMODEL_MEDIUM)
96 Enum(nds32_cmodel_type) String(large) Value(CMODEL_LARGE)
100 Enable constructor/destructor feature.
104 Guide linker to relax instructions.