xref: /openbmc/linux/arch/mips/include/asm/compiler.h (revision c819e2cf)
1 /*
2  * Copyright (C) 2004, 2007  Maciej W. Rozycki
3  *
4  * This file is subject to the terms and conditions of the GNU General Public
5  * License.  See the file "COPYING" in the main directory of this archive
6  * for more details.
7  */
8 #ifndef _ASM_COMPILER_H
9 #define _ASM_COMPILER_H
10 
11 #if __GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 4)
12 #define GCC_IMM_ASM() "n"
13 #define GCC_REG_ACCUM "$0"
14 #else
15 #define GCC_IMM_ASM() "rn"
16 #define GCC_REG_ACCUM "accum"
17 #endif
18 
19 #ifndef CONFIG_CPU_MICROMIPS
20 #define GCC_OFF12_ASM() "R"
21 #elif __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 9)
22 #define GCC_OFF12_ASM() "ZC"
23 #else
24 #error "microMIPS compilation unsupported with GCC older than 4.9"
25 #endif
26 
27 #endif /* _ASM_COMPILER_H */
28