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| author | Vineet Gupta <vgupta@synopsys.com> | 2016-02-16 09:42:57 +0530 |
|---|---|---|
| committer | Vineet Gupta <vgupta@synopsys.com> | 2016-02-18 17:30:03 +0530 |
| commit | 0eca6fdb3193410fbe66b6f064431cc394513e82 (patch) | |
| tree | d8b32d4dff59fb93fc423804d79a66b4d0fd118d | |
| parent | 18558cae0272f8fd9647e69d3fec1565a7949865 (diff) | |
| download | talos-op-linux-0eca6fdb3193410fbe66b6f064431cc394513e82.tar.gz talos-op-linux-0eca6fdb3193410fbe66b6f064431cc394513e82.zip | |
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: Vineet Gupta <vgupta@synopsys.com>
| -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 0655495470ad..0f8df0aa2eb8 100644 --- a/arch/arc/Kconfig +++ b/arch/arc/Kconfig @@ -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 diff --git a/arch/arc/Makefile b/arch/arc/Makefile index aeb19021099e..c8230f3395f2 100644 --- a/arch/arc/Makefile +++ b/arch/arc/Makefile @@ -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 diff --git a/arch/arc/kernel/setup.c b/arch/arc/kernel/setup.c index a7edceba5f84..28dba569edd4 100644 --- a/arch/arc/kernel/setup.c +++ b/arch/arc/kernel/setup.c @@ -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", |
