Re: Problems compiling gcc on OpenBSD/sparc

[David <david_(_at_)_southern_(_dot_)_com>]

	Update on this...

	The same source with the same -O option compiled fine on my
	ss2 'SUNW,Sun 4/75 (RT601 or L64811 v2 @ 40 MHz, TMS390C602A FPU)'.

	The 'enquire' from the ss2 panics the sun4/300.
	(Final moments of 4/300 below)

	This leave me with a 92k binary that can panic a 4/300 on demand...	
	cool...

			David	

PROPERTIES OF DOUBLE
Base = 2
Significant base digits = 53 (= at least 15 decimal digits)
Arithmetic rounds towards nearest
   Tie breaking rounds to even
Smallest x such that 1.0-base**x != 1.0 = -53
Smallest panic: fpu_cleanup 1
Stopped at      0xf80ab980:     jmpl            [%o7 + 0x8], %g0
db> x such tchaot 1n.0t-x != 1.0  55115123125783
db>9 e-17
Smallest
db>  x s
db> uch
db>  thact o1.n0+btas
syncing disks... e**x != 1.0 = -52
Sm7 7 allest x such that 1.0+x != 1.0 = 1.1102230246251568e-16
(Above number + 1.0) - 1.0 = 2.25 204460492503131e-16
Number of bits used for exponent = 11
Minimum normalised exponent = -1022
Minimum normalised positive number = 2.2250738585072014e-308


On Sun, 28 Jan 1996, David wrote:

> 	When I try to compile the gcc in the OpenBSD/sparc source tree
> 	it panics when running ./enquire.
> 	This is on a 'SUN-4/300 series (L64812 or ACT8847 FPU)'.
> 	
> 	Anyone have any ideas on this? - I'm going to try compiling it
> 	with the default '-g' instead to see if its spcifically the -O
> 	thats causing the problem - I'll try compiling it on an ss2 as
> 	well...
> 
> 		David
> 
> ./enquire -f > tmp-float.h
> panic: fpu_cleanup 1
> Stopped at      0xf80ab980:     jmpl            [%o7 + 0x8], %g0
> db>          
> db> trace
> ?(f86a7100, f8615800, 1000, 3, 9a5, 2000) at 0xf809b9fc
> ?(f86a7100, 11401084, 40eb35c, f9f51fb0, ffffffff, a) at 0xf80a95d0
> ?(4109730, 20, 4, 4109708, 81cf41, 0) at 0xf8006680
> db> cont
> syncing disks... 8 8 6 3 done
> Frame pointer is at 0xf9f51cd0
> Call traceback:
>   pc = f80a1fd0  args = (f80a1c00, 11001fe0, f80bd000, f9f51d50, 4ce0, c) 
> fp = f9f51d38
>   pc = f801bf50  args = (100, f80b8c00, 1, 4e08, 10, 100000) fp = f9f51da0
>   pc = f809b9fc  args = (100, 0, 9a5, 0, 1f, 22170) fp = f9f51e08
>   pc = f80a95d0  args = (f86a7100, f8615800, 1000, 3, 9a5, 2000) fp = 
> f9f51ee8
>   pc = f8006680  args = (f86a7100, 11401084, 40eb35c, f9f51fb0, ffffffff, 
> a) fp = f9f51f50
>   pc = 0  args = (4109730, 20, 4, 4109708, 81cf41, 0) fp = f7fff3f0
> 
> dumping to dev 701, offset 16
> 
> 
>                    David/abs             (david_(_at_)_mono_(_dot_)_org)
> 
> +44 181 888 8949 System Manager, Southern Studios Ltd, Box 59, London N22 1AR
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