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| author | Paul A. Clarke <pc@us.ibm.com> | 2018-10-26 15:01:22 +0000 |
|---|---|---|
| committer | Paul Clarke <pc@gcc.gnu.org> | 2018-10-26 15:01:22 +0000 |
| commit | 4fa008a718f06108a3ddc06200c7947e0212075c (patch) | |
| tree | ece8a126d76ef73149ad7f3d2cd35635d4810707 /gcc | |
| parent | 4bfcf87914b412f8fa56cd46f7c3081365b7e647 (diff) | |
| download | gcc-4fa008a718f06108a3ddc06200c7947e0212075c.zip gcc-4fa008a718f06108a3ddc06200c7947e0212075c.tar.gz gcc-4fa008a718f06108a3ddc06200c7947e0212075c.tar.bz2 | |
[rs6000] Fix _mm_extract_pi16 for big-endian
For compatibility implementation of x86 vector intrinsic, _mm_extract_pi16,
adjust shift value for big-endian mode.
gcc/ChangeLog:
2018-10-25 Paul A. Clarke <pc@us.ibm.com>
* config/rs6000/xmmintrin.h (_mm_extract_pi16): Fix for big-endian.
From-SVN: r265531
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 4 | ||||
| -rw-r--r-- | gcc/config/rs6000/xmmintrin.h | 7 |
2 files changed, 9 insertions, 2 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 5307ec7..3db373c 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,7 @@ +2018-10-26 Paul A. Clarke <pc@us.ibm.com> + + * config/rs6000/xmmintrin.h (_mm_extract_pi16): Fix for big-endian. + 2018-10-26 Richard Biener <rguenther@suse.de> * tree-vect-slp.c (vect_mark_slp_stmts): Add visited hash_set diff --git a/gcc/config/rs6000/xmmintrin.h b/gcc/config/rs6000/xmmintrin.h index 5289375..86c41a82 100644 --- a/gcc/config/rs6000/xmmintrin.h +++ b/gcc/config/rs6000/xmmintrin.h @@ -1386,9 +1386,12 @@ _mm_load_ps1 (float const *__P) extern __inline int __attribute__((__gnu_inline__, __always_inline__, __artificial__)) _mm_extract_pi16 (__m64 const __A, int const __N) { - const int shiftr = (__N & 3) * 16; + unsigned int shiftr = __N & 3; +#ifdef __BIG_ENDIAN__ + shiftr = 3 - shiftr; +#endif - return ((__A >> shiftr) & 0xffff); + return ((__A >> (shiftr * 16)) & 0xffff); } extern __inline int __attribute__((__gnu_inline__, __always_inline__, __artificial__)) |