target/7627: avr target: unrecognizable insn

[rggammon at alumni dot uwaterloo dot ca]

>Number:         7627
>Category:       target
>Synopsis:       avr target: unrecognizable insn
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    unassigned
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Sun Aug 18 16:06:00 PDT 2002
>Closed-Date:
>Last-Modified:
>Originator:     Ryan Gammon
>Release:        3.3 20020818 (experimental) (and earlier)
>Organization:
>Environment:
avr-gcc (GCC) 3.3 20020818 (experimental)
GNU assembler 2.13.90 20020818
--or--
avr-gcc (GCC) 3.1
GNU assembler 2.12.1

i686 host
>Description:
avr-gcc -c -Os --save-temps ppp.c -DAVR -o ppp.o -I.. -I../../avr-libc/include -mmcu=atmega103
ppp.c: In function `PPPEntry':
ppp.c:594: error: unrecognizable insn:
(insn 90 89 91 21 (nil) (set (reg:QI 56)
        (const_int 180 [0xb4])) -1 (nil)
    (expr_list:REG_EQUAL (const_int 180 [0xb4])
        (nil)))
ppp.c:594: internal compiler error: Internal compiler error in extract_insn, at recog.c:2175

Note: optimizing for size.
This file comes from motorola's application note on ppp (AN2120).

configure options (gcc):
--prefix=/usr/local/avr-cvs --target=avr --program-prefix=avr- --disable-nls --enable-languages=c

configure options (binutils): 
--prefix=/usr/local/avr-cvs  --program-prefix=avr- --target=avr
>How-To-Repeat:
ppp.i is supplied. ppp.c and the relevant includes are available upon request. ppp.c:594 is the end of the PPPEntry function.

Thanks for working on avr-gcc!
>Fix:
Compiles if -Os (optimize for size) is not specified.
>Release-Note:
>Audit-Trail:
>Unformatted:
----gnatsweb-attachment----
Content-Type: application/octet-stream; name="ppp.i"
Content-Transfer-Encoding: base64
Content-Disposition: attachment; filename="ppp.i"

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