Imported gcc-4.4.3

[msp430-gcc.git] / gcc / config / spu / spu.opt

diff --git a/gcc/config/spu/spu.opt b/gcc/config/spu/spu.opt
new file mode 100644 (file)
index 0000000..1589199
--- /dev/null
+++ b/gcc/config/spu/spu.opt
@@ -0,0 +1,84 @@
+; Options for the SPU port of the compiler
+; Copyright (C) 2006, 2007, 2008 Free Software Foundation, Inc.
+
+; This file is free software; you can redistribute it and/or modify it under
+; the terms of the GNU General Public License as published by the Free
+; Software Foundation; either version 3 of the License, or (at your option)
+; any later version.
+
+; This file is distributed in the hope that it will be useful, but WITHOUT
+; ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+; FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+; for more details.
+;
+; You should have received a copy of the GNU General Public License
+; along with GCC; see the file COPYING3.  If not see
+; <http://www.gnu.org/licenses/>.
+
+mwarn-reloc
+Target Report Mask(WARN_RELOC)
+Emit warnings when run-time relocations are generated
+
+merror-reloc
+Target Report Mask(ERROR_RELOC)
+Emit errors when run-time relocations are generated
+
+mbranch-cost=
+Target RejectNegative Joined UInteger Var(spu_branch_cost) Init(20)
+Specify cost of branches (Default 20)
+
+msafe-dma
+Target Report RejectNegative Mask(SAFE_DMA)
+Make sure loads and stores are not moved past DMA instructions
+
+munsafe-dma
+Target Report RejectNegative InverseMask(SAFE_DMA)
+volatile must be specified on any memory that is effected by DMA
+
+mdual-nops
+Target Report Var(spu_dual_nops,10) Init(10)
+Insert nops when it might improve performance by allowing dual issue (default)
+
+mdual-nops=
+Target RejectNegative Joined UInteger Var(spu_dual_nops)
+Insert nops when it might improve performance by allowing dual issue (default)
+
+mstdmain
+Target Report Mask(STD_MAIN)
+Use standard main function as entry for startup
+
+mbranch-hints
+Target Report Mask(BRANCH_HINTS)
+Generate branch hints for branches
+
+mhint-max-nops=
+Target RejectNegative Joined UInteger Var(spu_max_nops) Init(2)
+Maximum number of nops to insert for a hint (Default 2)
+
+mhint-max-distance=
+Target RejectNegative Joined Var(spu_max_distance_str)
+Approximate maximum number of instructions to allow between a hint and its branch [125]
+
+msmall-mem
+Target Report RejectNegative InverseMask(LARGE_MEM)
+Generate code for 18 bit addressing
+
+mlarge-mem
+Target Report RejectNegative Mask(LARGE_MEM)
+Generate code for 32 bit addressing
+
+mfixed-range=
+Target RejectNegative Joined Var(spu_fixed_range_string)
+Specify range of registers to make fixed
+
+msafe-hints
+Target Report Mask(SAFE_HINTS)
+Insert hbrp instructions after hinted branch targets to avoid the SPU hang issue
+
+march=
+Target RejectNegative Joined Var(spu_arch_string)
+Generate code for given CPU
+
+mtune=
+Target RejectNegative Joined Var(spu_tune_string)
+Schedule code for given CPU