Re: gcc -msoft-float [Was: Linux 2.6.0-test7 - stability freeze]

[Olaf Hering <olh@suse.de>]

 On Mon, Oct 13, Sam Ravnborg wrote:

> On Mon, Oct 13, 2003 at 07:34:46PM +0200, Olaf Hering wrote:
> > a longstanding bug, should probably go to the main Makefile. But I dont
> > know if all supported archs know about -msoft-float.
> 
> Could you please elaborate about what this fixes.
> I'm very resistant to add new flags unconditionally to gcc at this stage.

Is floating point in the kernel really allowed on i386? If so, please
please add a commet to this Makefile about this fact. 

test7bk3 results, allyesconfig:


drivers/built-in.o(.text+0x2ba129): In function `amd8111e_resume':
drivers/net/amd8111e.c:1700: undefined reference to `__floatsidf'
drivers/built-in.o(.text+0x2ba145):drivers/net/amd8111e.c:1700: undefined reference to `__adddf3'
drivers/built-in.o(.text+0x2ba14d):drivers/net/amd8111e.c:1700: undefined reference to `__fixunsdfsi'
drivers/built-in.o(.text+0x2ba1c6):drivers/net/amd8111e.c:1702: undefined reference to `__adddf3'
drivers/built-in.o(.text+0x2ba2f0): In function `amd8111e_config_ipg':
drivers/net/amd8111e.c:1775: undefined reference to `__floatsidf'
drivers/built-in.o(.text+0x2ba308):drivers/net/amd8111e.c:1775: undefined reference to `__adddf3'
drivers/built-in.o(.text+0x2ba310):drivers/net/amd8111e.c:1775: undefined reference to `__fixunsdfsi'
drivers/built-in.o(.text+0x2ba343):drivers/net/amd8111e.c:1778: undefined reference to `__adddf3'
drivers/built-in.o(.text+0x2ba737): In function `amd8111e_probe_one':
drivers/net/amd8111e.c:1911: undefined reference to `__floatsidf'
drivers/built-in.o(.text+0x2ba753):drivers/net/amd8111e.c:1911: undefined reference to `__adddf3'
drivers/built-in.o(.text+0x2ba75b):drivers/net/amd8111e.c:1911: undefined reference to `__fixunsdfsi'
drivers/built-in.o(.text+0x2ba838):drivers/net/amd8111e.c:1940: undefined reference to `__adddf3'
drivers/built-in.o(.text+0x407fd7): In function `tuner_set_tv_freq':
drivers/media/dvb/ttpci/av7110.c:2709: undefined reference to `__floatsidf'
drivers/built-in.o(.text+0x407ff3):drivers/media/dvb/ttpci/av7110.c:2709: undefined reference to `__ltdf2'
drivers/built-in.o(.text+0x408001):drivers/media/dvb/ttpci/av7110.c:2711: undefined reference to `__floatsidf'
drivers/built-in.o(.text+0x408019):drivers/media/dvb/ttpci/av7110.c:2711: undefined reference to `__ltdf2'
drivers/built-in.o(.text+0x408060):drivers/media/dvb/ttpci/av7110.c:2720: undefined reference to `__adddf3'
drivers/built-in.o(.text+0x408076):drivers/media/dvb/ttpci/av7110.c:2720: undefined reference to `__adddf3'
drivers/built-in.o(.text+0x5c24d0): In function `sisfb_do_set_var':
drivers/video/sis/sis_main.c:654: undefined reference to `__floatsidf'
drivers/built-in.o(.text+0x5c24ec):drivers/video/sis/sis_main.c:654: undefined reference to `__divdf3'
drivers/built-in.o(.text+0x5c24f7):drivers/video/sis/sis_main.c:655: undefined reference to `__floatsidf'
drivers/built-in.o(.text+0x5c2510):drivers/video/sis/sis_main.c:655: undefined reference to `__divdf3'
drivers/built-in.o(.text+0x5c251b):drivers/video/sis/sis_main.c:656: undefined reference to `__floatsidf'
drivers/built-in.o(.text+0x5c2534):drivers/video/sis/sis_main.c:656: undefined reference to `__divdf3'
drivers/built-in.o(.text+0x5c2540):drivers/video/sis/sis_main.c:656: undefined reference to `__adddf3'
drivers/built-in.o(.text+0x5c2554):drivers/video/sis/sis_main.c:656: undefined reference to `__adddf3'
drivers/built-in.o(.text+0x5c255c):drivers/video/sis/sis_main.c:656: undefined reference to `__fixunsdfsi'
drivers/built-in.o(.text+0x5c28b8):drivers/video/sis/sis_main.c:675: undefined reference to `__adddf3'
drivers/built-in.o(.text+0x5c28d1):drivers/video/sis/sis_main.c:675: undefined reference to `__adddf3'
drivers/built-in.o(.text+0x5c28ea):drivers/video/sis/sis_main.c:675: undefined reference to `__adddf3'
drivers/built-in.o(.init.text+0x6252d): In function `sisfb_init':
drivers/video/sis/sis_main.c:4450: undefined reference to `__floatsidf'
drivers/built-in.o(.init.text+0x6253f):drivers/video/sis/sis_main.c:4450: undefined reference to `__divdf3'
drivers/built-in.o(.init.text+0x62547):drivers/video/sis/sis_main.c:4450: undefined reference to `__fixunsdfsi'


thanks.

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