Commit 0eca6fdb authored by Vineet Gupta's avatar Vineet Gupta
Browse files

ARC: Assume multiplier is always present 



It is unlikely that designs running Linux will not have multiplier.
Further the current support is not complete as tool don't generate a
multilib w/o multiplier.

Signed-off-by: default avatarVineet Gupta <vgupta@synopsys.com>
parent 18558cae

arch/arc/Kconfig

+0 −8
Original line number Diff line number Diff line
@@ -275,14 +275,6 @@ config ARC_DCCM_BASE 
	default "0xA0000000"

	depends on ARC_HAS_DCCM



config ARC_HAS_HW_MPY

	bool "Use Hardware Multiplier (Normal or Faster XMAC)"

	default y

	help

	  Influences how gcc generates code for MPY operations.

	  If enabled, MPYxx insns are generated, provided by Standard/XMAC

	  Multipler. Otherwise software multipy lib is used



choice

	prompt "MMU Version"

	default ARC_MMU_V3 if ARC_CPU_770

arch/arc/Makefile

+0 −4
Original line number Diff line number Diff line
@@ -74,10 +74,6 @@ ldflags-$(CONFIG_CPU_BIG_ENDIAN) += -EB 
# --build-id w/o "-marclinux". Default arc-elf32-ld is OK

ldflags-$(upto_gcc44)			+= -marclinux



ifndef CONFIG_ARC_HAS_HW_MPY

	cflags-y	+= -mno-mpy

endif



LIBGCC	:= $(shell $(CC) $(cflags-y) --print-libgcc-file-name)



# Modules with short calls might break for calls into builtin-kernel

arch/arc/kernel/setup.c

+0 −2
Original line number Diff line number Diff line
@@ -237,8 +237,6 @@ static char *arc_cpu_mumbojumbo(int cpu_id, char *buf, int len) 


			n += scnprintf(buf + n, len - n, "mpy[opt %d] ", opt);

		}

		n += scnprintf(buf + n, len - n, "%s",

			       IS_USED_CFG(CONFIG_ARC_HAS_HW_MPY));

	}



	n += scnprintf(buf + n, len - n, "%s%s%s%s%s%s%s%s\n",