diff options
Diffstat (limited to 'arch/mips/loongson64/Platform')
| -rw-r--r-- | arch/mips/loongson64/Platform | 24 |
1 files changed, 5 insertions, 19 deletions
diff --git a/arch/mips/loongson64/Platform b/arch/mips/loongson64/Platform index 3e660d6d3c2b..473404cae1c4 100644 --- a/arch/mips/loongson64/Platform +++ b/arch/mips/loongson64/Platform @@ -5,24 +5,9 @@ cflags-$(CONFIG_CPU_LOONGSON64) += -Wa,--trap -# -# binutils from v2.25 on and gcc starting from v4.9.0 treat -march=loongson3a -# as MIPS64 R2; older versions as just R1. This leaves the possibility open -# that GCC might generate R2 code for -march=loongson3a which then is rejected -# by GAS. The cc-option can't probe for this behaviour so -march=loongson3a -# can't easily be used safely within the kbuild framework. -# -ifeq ($(call cc-ifversion, -ge, 0409, y), y) - ifeq ($(call ld-ifversion, -ge, 22500, y), y) - cflags-$(CONFIG_CPU_LOONGSON64) += \ - $(call cc-option,-march=loongson3a -U_MIPS_ISA -D_MIPS_ISA=_MIPS_ISA_MIPS64) - else - cflags-$(CONFIG_CPU_LOONGSON64) += \ - $(call cc-option,-march=mips64r2,-mips64r2 -U_MIPS_ISA -D_MIPS_ISA=_MIPS_ISA_MIPS64) - endif -else - cflags-$(CONFIG_CPU_LOONGSON64) += \ - $(call cc-option,-march=mips64r2,-mips64r2 -U_MIPS_ISA -D_MIPS_ISA=_MIPS_ISA_MIPS64) +ifdef CONFIG_CPU_LOONGSON64 +cflags-$(CONFIG_CC_IS_GCC) += -march=loongson3a +cflags-$(CONFIG_CC_IS_CLANG) += -march=mips64r2 endif # Some -march= flags enable MMI instructions, and GCC complains about that @@ -33,5 +18,6 @@ cflags-y += $(call cc-option,-mno-loongson-mmi) # Loongson Machines' Support # -cflags-$(CONFIG_MACH_LOONGSON64) += -I$(srctree)/arch/mips/include/asm/mach-loongson64 -mno-branch-likely +cflags-$(CONFIG_MACH_LOONGSON64) += -I$(srctree)/arch/mips/include/asm/mach-loongson64 +cflags-$(CONFIG_CC_HAS_MNO_BRANCH_LIKELY) += -mno-branch-likely load-$(CONFIG_CPU_LOONGSON64) += 0xffffffff80200000 |