[Bug tree-optimization/36100] New: [4.4 Regression] always_inline attribute is broken at -O0

[hjl dot tools at gmail dot com]

[hjl@gnu-6 gcc]$ cat /tmp/y.c 
typedef long long __v2di __attribute__ ((__vector_size__ (16)));

typedef long long __m128i __attribute__ ((__vector_size__ (16),
__may_alias__));
extern __inline __m128i __attribute__((__gnu_inline__, __always_inline__,
__artificial__))
_mm_xor_si128 (__m128i __A, __m128i __B)
{
  return (__m128i)__builtin_ia32_pxor128 ((__v2di)__A, (__v2di)__B);
}

int
main ()
{
  __m128i x, y;
  x = _mm_xor_si128 (x, y);
  return 0;
}
[hjl@gnu-6 gcc]$ ./xgcc -B./ -m32 /tmp/y.c -msse2
/tmp/cc4NF1Gd.o: In function `main':
y.c:(.text+0x24): undefined reference to `_mm_xor_si128'
collect2: ld returned 1 exit status
[hjl@gnu-6 gcc]$ 

This may be caused by revision 134859

http://gcc.gnu.org/ml/gcc-cvs/2008-05/msg00019.html


-- 
           Summary: [4.4 Regression] always_inline attribute is broken at -
                    O0
           Product: gcc
           Version: 4.4.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: tree-optimization
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: hjl dot tools at gmail dot com


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=36100