Re: [2.6.15-rc5-git3] hpet.c causes FC4 GCC 4.0.2 to bomb with unrecognizable insn

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Alessandro Suardi <[email protected]> wrote:
>
>  CC      drivers/char/hpet.o
> drivers/char/hpet.c: In function `hpet_calibrate':
> drivers/char/hpet.c:803: Unrecognizable insn:
> (insn/i 95 270 264 (parallel[
>             (set (reg:SI 0 eax)
>                 (asm_operands ("") ("=a") 0[
>                         (reg:DI 1 edx)
>                     ]
>                     [
>                         (asm_input:DI ("A"))
>                     ]  ("drivers/char/hpet.c") 452))
>             (set (reg:SI 1 edx)
>                 (asm_operands ("") ("=d") 1[
>                         (reg:DI 1 edx)
>                     ]
>                     [
>                         (asm_input:DI ("A"))
>                     ]  ("drivers/char/hpet.c") 452))
>             (clobber (reg:QI 19 dirflag))
>             (clobber (reg:QI 18 fpsr))
>             (clobber (reg:QI 17 flags))
>         ] ) -1 (insn_list 92 (nil))
>     (nil))
> drivers/char/hpet.c:803: confused by earlier errors, bailing out
> make[2]: *** [drivers/char/hpet.o] Error 1
> make[1]: *** [drivers/char] Error 2
> make: *** [drivers] Error 2
> 

Same compiler works OK here, so it's presumably "fixed" by some some good
.config luck.

If we can find a decent workaround in-kernel it's worth putting it in. 
It's quite possible that inlined hpet_time_div() - please try uninlining
it.
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