1 ; Command line options for the Renesas RX port of GCC.
2 ; Copyright (C) 2008, 2009, 2010 Free Software Foundation, Inc.
3 ; Contributed by Red Hat.
5 ; This file is part of GCC.
7 ; GCC is free software; you can redistribute it and/or modify it under
8 ; the terms of the GNU General Public License as published by the Free
9 ; Software Foundation; either version 3, or (at your option) any later
12 ; GCC is distributed in the hope that it will be useful, but WITHOUT ANY
13 ; WARRANTY; without even the implied warranty of MERCHANTABILITY or
14 ; FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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/>.
20 ;---------------------------------------------------
22 ; The default is -fpu -m32bit-doubles.
25 Target RejectNegative Mask(64BIT_DOUBLES) Report
26 Store doubles in 64 bits.
29 Target RejectNegative InverseMask(64BIT_DOUBLES) Report
30 Stores doubles in 32 bits. This is the default.
33 Target RejectNegative Alias(mnofpu)
34 Disable the use of RX FPU instructions.
37 Target RejectNegative Mask(NO_USE_FPU) Report Undocumented
40 Target RejectNegative InverseMask(NO_USE_FPU) Report
41 Enable the use of RX FPU instructions. This is the default.
43 ;---------------------------------------------------
46 Target RejectNegative Joined Var(rx_cpu_name) Report
47 Specify the target RX cpu type.
49 ;---------------------------------------------------
52 Target RejectNegative Mask(BIG_ENDIAN_DATA) Report
53 Data is stored in big-endian format.
56 Target RejectNegative InverseMask(BIG_ENDIAN_DATA) Report
57 Data is stored in little-endian format. (Default).
59 ;---------------------------------------------------
62 Target RejectNegative Joined UInteger Var(rx_small_data_limit) Init(0)
63 Maximum size of global and static variables which can be placed into the small data area.
65 ;---------------------------------------------------
69 Use the simulator runtime.
71 ;---------------------------------------------------
74 Target Mask(AS100_SYNTAX) Report
75 Generate assembler output that is compatible with the Renesas AS100 assembler. This may restrict some of the compiler's capabilities. The default is to generate GAS compatable syntax.
77 ;---------------------------------------------------
81 Enable linker relaxation.
83 ;---------------------------------------------------
86 Target RejectNegative Joined UInteger Var(rx_max_constant_size) Init(0)
87 Maximum size in bytes of constant values allowed as operands.
89 ;---------------------------------------------------
92 Target RejectNegative Joined UInteger Var(rx_interrupt_registers) Init(0)
93 Specifies the number of registers to reserve for interrupt handlers.
95 ;---------------------------------------------------
97 msave-acc-in-interrupts
98 Target Mask(SAVE_ACC_REGISTER)
99 Specifies whether interrupt functions should save and restore the accumulator register.