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* [Bug target/43590]  New: ICE in spill_failure, at reload1.c:2158
@ 2010-03-30  4:25 rmansfield at qnx dot com
  2010-03-31 11:06 ` [Bug target/43590] " ramana at gcc dot gnu dot org
                   ` (4 more replies)
  0 siblings, 5 replies; 8+ messages in thread
From: rmansfield at qnx dot com @ 2010-03-30  4:25 UTC (permalink / raw)
  To: gcc-bugs

$ cat ~/ice2.i
typedef unsigned int _GCC_ATTR_ALIGN_u64t __attribute__((__mode__(__DI__)));
typedef _GCC_ATTR_ALIGN_u64t _Uint64t __attribute__((__aligned__(8)));
typedef unsigned int _GCC_ATTR_ALIGN_u8t __attribute__((__mode__(__QI__)));
typedef _GCC_ATTR_ALIGN_u8t _Uint8t __attribute__((__aligned__(1)));
typedef _Uint8t uint8_t;
typedef _Uint64t uint64_t;
typedef __builtin_neon_udi uint64x1_t;
typedef struct uint64x1x4_t { uint64x1_t val[4]; } uint64x1x4_t;

 __extension__ static __inline uint64x1x4_t __attribute__ ((__always_inline__))
vld4_u64 (const uint64_t * __a) {
        union { uint64x1x4_t __i; __builtin_neon_oi __o; } __rv;
         __rv.__o = __builtin_neon_vld4v8hi ((const __builtin_neon_hi *) __a);
       return __rv.__i;
}

 void test( uint8_t * dst, uint8_t * src, unsigned nbytes) {
        uint64x1x4_t tmp;
        while (nbytes >= 32) {
        tmp = vld4_u64((uint64_t *)src);
        vst4_u64((uint64_t *)dst, tmp);
       }
}
$ ./xgcc -v
Using built-in specs.
Target: arm-unknown-linux-gnueabi
Configured with: ../configure --target=arm-unknown-linux-gnueabi
--prefix=/home/ryan/x-tools/arm-unknown-linux-gnueabi
--with-sysroot=/home/ryan/x-tools/arm-unknown-linux-gnueabi/arm-unknown-linux-gnueabi/sys-root
--enable-languages=c,c++ --disable-multilib --with-float=soft
--disable-sjlj-exceptions --enable-__cxa_atexit
--with-local-prefix=/home/ryan/x-tools/arm-unknown-linux-gnueabi/arm-unknown-linux-gnueabi/sys-root
--disable-nls --enable-threads=posix --enable-symvers=gnu --enable-c99
--enable-long-long --enable-target-optspac
Thread model: posix
gcc version 4.5.0 20100329 (experimental) [trunk revision 157802] (GCC) 
$ ./xgcc -B. ~/ice2.i -O3 -mfpu=neon -mfloat-abi=softfp -c
/home/ryan/ice2.i: In function 'test':
/home/ryan/ice2.i:22:1: error: unable to find a register to spill in class
'GENERAL_REGS'
/home/ryan/ice2.i:22:1: error: this is the insn:
(insn 96 10 12 3 /home/ryan/ice2.i:12 (set (reg:XI 136 [ D.3641 ])
        (const_int 0 [0x0])) 732 {*neon_movxi} (expr_list:REG_EQUAL (const_int
0 [0x0])
        (nil)))
/home/ryan/ice2.i:22:1: internal compiler error: in spill_failure, at
reload1.c:2158
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.

On the 4.3 branch (4.3.5 20100330 (prerelease)), the same testcase has causes a
different ICE:

$ ./xgcc -B. ~/ice2.i -O3 -mfpu=neon -mfloat-abi=softfp -c 
/home/ryan/ice2.i: In function 'test':
/home/ryan/ice2.i:22: internal compiler error: in record_store, at dse.c:1360
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.


-- 
           Summary: ICE in spill_failure, at reload1.c:2158
           Product: gcc
           Version: 4.5.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: target
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: rmansfield at qnx dot com
 GCC build triplet: i686-pc-linux-gnu
  GCC host triplet: i686-pc-linux-gnu
GCC target triplet: arm-unknown-linux-gnueabi


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43590


^ permalink raw reply	[flat|nested] 8+ messages in thread
end of thread, other threads:[~2013-08-05 20:45 UTC | newest]

Thread overview: 8+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
     [not found] <bug-43590-4@http.gcc.gnu.org/bugzilla/>
2011-03-30 14:58 ` [Bug target/43590] ICE in spill_failure, at reload1.c:2158 rsandifo at gcc dot gnu.org
2011-03-30 15:15 ` rsandifo at gcc dot gnu.org
2013-08-05 20:45 ` ramana at gcc dot gnu.org
2010-03-30  4:25 [Bug target/43590] New: " rmansfield at qnx dot com
2010-03-31 11:06 ` [Bug target/43590] " ramana at gcc dot gnu dot org
2010-04-08 22:13 ` ramana at gcc dot gnu dot org
2010-04-08 22:17 ` pinskia at gcc dot gnu dot org
2010-04-08 22:33 ` ramana at gcc dot gnu dot org
2010-04-08 22:58 ` ramana at gcc dot gnu dot org

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