[M3devel] CG error messages on subranges of LONGINT

[Tony Hosking]

Looks like alignment of LONGINT is not getting handled properly.  I'll  
try to look into it.

Antony Hosking | Associate Professor | Computer Science | Purdue  
University
305 N. University Street | West Lafayette | IN 47907 | USA
Office +1 765 494 6001 | Mobile +1 765 427 5484



On Mar 4, 2008, at 4:48 PM, Rodney M. Bates wrote:

> I wrote the attached test program for testing compiler/debugger
> subrange bounds communication.  It gets CG errors from the compiler:
>
> "../src/Subranges.m3", line 34: ** INTERNAL CG ERROR *** unaligned  
> store_indirect  type=6  s/a=32/32
> "../src/Subranges.m3", line 35: ** INTERNAL CG ERROR *** unaligned  
> store_indirect  type=6  s/a=32/32
> "../src/Subranges.m3", line 43: ** INTERNAL CG ERROR *** unaligned  
> store_indirect  type=6  s/a=32/32
>
>
> Attempts to remove seemingly irrelevant declarations change the
> behavior.
>
>
> -- 
> -------------------------------------------------------------
> Rodney M. Bates, retired assistant professor
> Dept. of Computer Science, Wichita State University
> Wichita, KS 67260-0083
> 316-978-3922
> rodney.bates at wichita.edu
> MODULE Subranges EXPORTS Main
>
> ; TYPE U1 = [ 0 .. 16_7F ]
> ; TYPE S1 = [ 0 .. 16_FF ]
> ; TYPE U2 = [ 0 .. 16_7FFF ]
> ; TYPE S2 = [ 0 .. 16_FFFF ]
> ; TYPE U3 = [ 0 .. 16_7FFFFF ]
> ; TYPE S3 = [ 0 .. 16_FFFFFF ]
> ; TYPE U4 = [ 0 .. 16_7FFFFFFF ]
> ; TYPE S4 = [ 16_FFFFFFFF .. 16_FFFFFFFF ]
>
> ; TYPE LU4 = [ 0L .. 16_7FFFFFFFL ]
> ; TYPE LS4 = [ 0L .. 16_FFFFFFFFL ]
> ; TYPE LU5 = [ 0L .. 16_7FFFFFFFFFL ]
> ; TYPE LS5 = [ 0L .. 16_FFFFFFFFFFL ]
> ; TYPE LU6 = [ 0L .. 16_7FFFFFFFFFFFL ]
> ; TYPE LS6 = [ 0L .. 16_FFFFFFFFFFFFL ]
> ; TYPE LU7 = [ 0L .. 16_7FFFFFFFFFFFFFL ]
> ; TYPE LS7 = [ 0L .. 16_FFFFFFFFFFFFFFL ]
> ; TYPE LU8 = [ 0L .. 16_7FFFFFFFFFFFFFFFL ]
> ; TYPE LS8 = [ 0L .. 16_FFFFFFFFFFFFFFFFL ]
>
> ; PROCEDURE Work ( )
>
>  = VAR VU1 : U1 := 0
>  ; VAR VS1 : S1 := 0
>  ; VAR VU2 : U2 := 0
>  ; VAR VS2 : S2 := 0
>  ; VAR VU3 : U3 := 0
>  ; VAR VS3 : S3 := 0
>  ; VAR VU4 : U4 := 0
>  ; VAR VS4 : S4 := 16_FFFFFFFF
>
>  ; VAR VLU4 : LU4 := 0L
>  ; VAR VLS4 : LS4 := 0L
>  ; VAR VLU5 : LU5 := 0L
>  ; VAR VLS5 : LS5 := 0L
>  ; VAR VLU6 : LU6 := 0L
>  ; VAR VLS6 : LS6 := 0L
>  ; VAR VLU7 : LU7 := 0L
>  ; VAR VLS7 : LS7 := 0L
>  ; VAR VLU8 : LU8 := 0L
>  ; VAR VLS8 : LS8 := 0L
>  ; VAR X : INTEGER
>
>  ; BEGIN
>      X := VU1
>    END Work
>
> ; BEGIN
>    Work ()
>  END Subranges
> .

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