[SPARC64]: Add -finline-limit=100000 to CFLAGS if gcc supports it.

arch/sparc64/Makefile

@@ -19,6 +19,7 @@ CC		:= $(shell if gcc -m64 -S -o /dev/null -xc /dev/null >/dev/null 2>&1; then e
 NEW_GCC := $(shell if $(CC) -m64 -mcmodel=medlow -S -o /dev/null -xc /dev/null >/dev/null 2>&1; then echo y; else echo n; fi; )
 NEW_GAS := $(shell if $(LD) -V 2>&1 | grep 'elf64_sparc' > /dev/null; then echo y; else echo n; fi)
 UNDECLARED_REGS := $(shell if $(CC) -c -x assembler /dev/null -Wa,--help | grep undeclared-regs > /dev/null; then echo y; else echo n; fi; )
+INLINE_LIMIT := $(shell if $(CC) -m64 -finline-limit=100000 -S -o /dev/null -xc /dev/null >/dev/null 2>&1; then echo y; else echo n; fi; )
 
 export NEW_GCC
 
@@ -51,6 +52,10 @@ else
   AFLAGS += -m64 -mcpu=ultrasparc $(CC_UNDECL)
 endif
 
+ifeq ($(INLINE_LIMIT),y)
+  CFLAGS := $(CFLAGS) -finline-limit=100000
+endif
+
 ifeq ($(CONFIG_MCOUNT),y)
   CFLAGS := $(subst -fomit-frame-pointer,,$(CFLAGS))
   CFLAGS := $(CFLAGS) -pg