Update Linux to v5.4.2
Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/arch/mips/include/asm/compiler.h b/arch/mips/include/asm/compiler.h
index cc2eb1b..f77e99f 100644
--- a/arch/mips/include/asm/compiler.h
+++ b/arch/mips/include/asm/compiler.h
@@ -43,28 +43,16 @@
#undef barrier_before_unreachable
#define barrier_before_unreachable() asm volatile(".insn")
-#if __GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 4)
-#define GCC_IMM_ASM() "n"
-#define GCC_REG_ACCUM "$0"
+#if !defined(CONFIG_CC_IS_GCC) || \
+ (__GNUC__ > 4) || (__GNUC__ == 4 && __GNUC_MINOR__ >= 9)
+# define GCC_OFF_SMALL_ASM() "ZC"
+#elif defined(CONFIG_CPU_MICROMIPS)
+# error "microMIPS compilation unsupported with GCC older than 4.9"
#else
-#define GCC_IMM_ASM() "rn"
-#define GCC_REG_ACCUM "accum"
+# define GCC_OFF_SMALL_ASM() "R"
#endif
#ifdef CONFIG_CPU_MIPSR6
-/* All MIPS R6 toolchains support the ZC constrain */
-#define GCC_OFF_SMALL_ASM() "ZC"
-#else
-#ifndef CONFIG_CPU_MICROMIPS
-#define GCC_OFF_SMALL_ASM() "R"
-#elif __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 9)
-#define GCC_OFF_SMALL_ASM() "ZC"
-#else
-#error "microMIPS compilation unsupported with GCC older than 4.9"
-#endif /* CONFIG_CPU_MICROMIPS */
-#endif /* CONFIG_CPU_MIPSR6 */
-
-#ifdef CONFIG_CPU_MIPSR6
#define MIPS_ISA_LEVEL "mips64r6"
#define MIPS_ISA_ARCH_LEVEL MIPS_ISA_LEVEL
#define MIPS_ISA_LEVEL_RAW mips64r6