diff options
| author | Vineet Gupta <vgupta@synopsys.com> | 2016-02-16 09:42:57 +0530 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-07-10 09:56:41 +0200 |
| commit | a414c474578a1ac097a1da0875b02b431f60a4e6 (patch) | |
| tree | 97dad2ba0ed324234ace133d1edea8e669860e78 /arch | |
| parent | b3e8f6bc2f41fe3192064fbfe42600d0e728b9e8 (diff) | |
ARC: Assume multiplier is always present
[ Upstream commit 0eca6fdb3193410fbe66b6f064431cc394513e82 ]
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: Vineet Gupta <vgupta@synopsys.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arc/Kconfig | 8 | ||||
| -rw-r--r-- | arch/arc/Makefile | 4 | ||||
| -rw-r--r-- | arch/arc/kernel/setup.c | 2 |
3 files changed, 0 insertions, 14 deletions
diff --git a/arch/arc/Kconfig b/arch/arc/Kconfig index e983f410135a..a5d8bef65911 100644 --- a/arch/arc/Kconfig +++ b/arch/arc/Kconfig @@ -278,14 +278,6 @@ 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 diff --git a/arch/arc/Makefile b/arch/arc/Makefile index fffaff9c7b2c..8f8d53f08141 100644 --- a/arch/arc/Makefile +++ b/arch/arc/Makefile @@ -72,10 +72,6 @@ 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 diff --git a/arch/arc/kernel/setup.c b/arch/arc/kernel/setup.c index 05131805aa33..3013f3f82b95 100644 --- a/arch/arc/kernel/setup.c +++ b/arch/arc/kernel/setup.c @@ -232,8 +232,6 @@ 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", |