Assembly of 32-bit multiply/divide helpers was dependent on CONFIG_CPU_HAS_NO_MULDIV64, which is not necessary.
Signed-off-by: George Spelvin <[email protected]> --- This also turns out to be a very useful symbol for some other work I'm doing to <linux/hash.h>. arch/m68k/Kconfig.cpu | 11 +++++++++++ arch/m68k/lib/Makefile | 4 ++-- 2 files changed, 13 insertions(+), 2 deletions(-) diff --git a/arch/m68k/Kconfig.cpu b/arch/m68k/Kconfig.cpu index 0dfcf12..3fce7bf 100644 --- a/arch/m68k/Kconfig.cpu +++ b/arch/m68k/Kconfig.cpu @@ -37,6 +37,7 @@ config M68000 bool "MC68000" depends on !MMU select CPU_HAS_NO_BITFIELDS + select CPU_HAS_NO_MULDIV32 select CPU_HAS_NO_MULDIV64 select CPU_HAS_NO_UNALIGNED select GENERIC_CSUM @@ -391,8 +392,18 @@ config NODES_SHIFT config CPU_HAS_NO_BITFIELDS bool +config CPU_HAS_NO_MULDIV32 + bool + help + This option indicates the CPU lacks 32x32->32-bit multiply + and divide instructions, and thus requires the GCC helper + functions __mulsi3, __divsi3 __modsi3, etc. + config CPU_HAS_NO_MULDIV64 bool + help + This option indicates the CPU lacks "widening" 32x32->64-bit + multiply and 64/32->(32,32)-bit divide instructions. config CPU_HAS_NO_UNALIGNED bool diff --git a/arch/m68k/lib/Makefile b/arch/m68k/lib/Makefile index fcd8eb1..e6553db 100644 --- a/arch/m68k/lib/Makefile +++ b/arch/m68k/lib/Makefile @@ -7,8 +7,8 @@ lib-y := ashldi3.o ashrdi3.o lshrdi3.o muldi3.o \ memcpy.o memset.o memmove.o lib-$(CONFIG_MMU) += uaccess.o -lib-$(CONFIG_CPU_HAS_NO_MULDIV64) += mulsi3.o divsi3.o udivsi3.o -lib-$(CONFIG_CPU_HAS_NO_MULDIV64) += modsi3.o umodsi3.o +lib-$(CONFIG_CPU_HAS_NO_MULDIV32) += mulsi3.o divsi3.o udivsi3.o +lib-$(CONFIG_CPU_HAS_NO_MULDIV32) += modsi3.o umodsi3.o ifndef CONFIG_GENERIC_CSUM lib-y += checksum.o -- 2.8.1 -- To unsubscribe from this list: send the line "unsubscribe linux-m68k" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
