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From: "joel at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug target/62284] New: AVR unable to find register to spill in the class POINTER_REGS
Date: Wed, 27 Aug 2014 14:18:00 -0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=62284

            Bug ID: 62284
           Summary: AVR unable to find register to spill in the class
                    POINTER_REGS
           Product: gcc
           Version: 4.8.3
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: target
          Assignee: unassigned at gcc dot gnu.org
          Reporter: joel at gcc dot gnu.org

avr-rtems4.11-gcc --pipe -DHAVE_CONFIG_H   -I..
-I../../cpukit/../../../avrtest/lib/include   -mmcu=atmega128 -Os -g -Wall
-Wmissing-prototypes -Wimplicit-function-declaration -Wstrict-prototypes
-Wnested-externs -MT src/bdpart-write.o -MD -MP -MF $depbase.Tpo -c -o
src/bdpart-write.o
../../../../../../rtems/c/src/../../cpukit/libblock/src/bdpart-write.c &&\
mv -f $depbase.Tpo $depbase.Po
depbase=`echo src/media-path.o | sed 's|[^/]*$|.deps/&|;s|\.o$||'`;\
avr-rtems4.11-gcc --pipe -DHAVE_CONFIG_H   -I..
-I../../cpukit/../../../avrtest/lib/include   -mmcu=atmega128 -Os -g -Wall
-Wmissing-prototypes -Wimplicit-function-declaration -Wstrict-prototypes
-Wnested-externs -MT src/media-path.o -MD -MP -MF $depbase.Tpo -c -o
src/media-path.o
../../../../../../rtems/c/src/../../cpukit/libblock/src/media-path.c &&\
mv -f $depbase.Tpo $depbase.Po
../../../../../../rtems/c/src/../../cpukit/libblock/src/flashdisk.c: In
function 'rtems_fdisk_recycle_segment':
../../../../../../rtems/c/src/../../cpukit/libblock/src/flashdisk.c:1402:1:
error: unable to find a register to spill in class 'POINTER_REGS'
 }
 ^
../../../../../../rtems/c/src/../../cpukit/libblock/src/flashdisk.c:1402:1:
error: this is the insn:
(insn 364 363 365 16 (set (reg:HI 26 r26)
        (reg/v/f:HI 67 [ dpd ]))
../../../../../../rtems/c/src/../../cpukit/libblock/src/flashdisk.c:1315 82
{*movhi}
     (nil))
../../../../../../rtems/c/src/../../cpukit/libblock/src/flashdisk.c:1402:
confused by earlier errors, bailing out