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MIPS: remove GCC < 4.9 support

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Remove a tautology; since
commit 0bddd227f3 ("Documentation: update for gcc 4.9 requirement")
which raised the minimally supported version of GCC to 4.9, this case is
always true.

Link: https://github.com/ClangBuiltLinux/linux/issues/427
Signed-off-by: Nick Desaulniers <ndesaulniers@google.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
This commit is contained in:
Nick Desaulniers 2020-11-10 19:21:05 -08:00 committed by Thomas Bogendoerfer
parent e171728325
commit 4abaacc704
1 changed files with 1 additions and 8 deletions
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9
arch/mips/include/asm/compiler.h
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@ -43,14 +43,7 @@
#undef barrier_before_unreachable
#define barrier_before_unreachable() asm volatile(".insn")
#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_OFF_SMALL_ASM() "R"
#endif
#define GCC_OFF_SMALL_ASM() "ZC"
#ifdef CONFIG_CPU_MIPSR6
#define MIPS_ISA_LEVEL "mips64r6"