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List:       gcc-bugs
Subject:    [Bug c/56164] avr-gcc 4.7.2 fail with __flash keyword
From:       "gjl at gcc dot gnu.org" <gcc-bugzilla () gcc ! gnu ! org>
Date:       2013-01-31 20:25:20
Message-ID: bug-56164-4-OPoxKy86S9 () http ! gcc ! gnu ! org/bugzilla/
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56164

--- Comment #3 from Georg-Johann Lay <gjl at gcc dot gnu.org> 2013-01-31 20:25:20 UTC ---
Created attachment 29322
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=29322
Small an valis test case

Output with avr-gcc 4.7.2:

avr-gcc -S -mmcu=atmega8  -Os foo.c
foo.c: In function 'psy':
foo.c:18:1: error: unable to find a register to spill in class 'POINTER_REGS'
 }
 ^
foo.c:18:1: error: this is the insn:
(insn 26 25 28 2 (set (reg:SF 59 [ D.1396 ])
        (unspec:SF [
                (reg:HI 30 r30)
                (const_int 0 [0])
            ] UNSPEC_LPM)) foo.c:9 22 {load_sf}
     (expr_list:REG_DEAD (reg:HI 30 r30)
        (nil)))
foo.c:18:1: internal compiler error: in spill_failure, at reload1.c:2124
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.
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