diff options
Diffstat (limited to 'sysdeps/powerpc/powerpc32/power7/memcpy.S')
| -rw-r--r-- | sysdeps/powerpc/powerpc32/power7/memcpy.S | 24 |
1 files changed, 19 insertions, 5 deletions
diff --git a/sysdeps/powerpc/powerpc32/power7/memcpy.S b/sysdeps/powerpc/powerpc32/power7/memcpy.S index 7f00778..acf3c10 100644 --- a/sysdeps/powerpc/powerpc32/power7/memcpy.S +++ b/sysdeps/powerpc/powerpc32/power7/memcpy.S @@ -383,7 +383,7 @@ L(copy_GE_32_unaligned): beq L(copy_GE_32_unaligned_cont) - /* SRC is not quadword aligned, get it aligned. */ + /* DST is not quadword aligned, get it aligned. */ mtcrf 0x01,0 subf 31,0,5 @@ -435,13 +435,21 @@ L(copy_GE_32_unaligned_cont): mr 11,12 mtcrf 0x01,9 cmplwi cr6,9,1 +#ifdef __LITTLE_ENDIAN__ + lvsr 5,0,12 +#else lvsl 5,0,12 +#endif lvx 3,0,12 bf 31,L(setup_unaligned_loop) /* Copy another 16 bytes to align to 32-bytes due to the loop . */ lvx 4,12,6 +#ifdef __LITTLE_ENDIAN__ + vperm 6,4,3,5 +#else vperm 6,3,4,5 +#endif addi 11,12,16 addi 10,3,16 stvx 6,0,3 @@ -461,11 +469,17 @@ L(unaligned_loop): vector instructions though. */ lvx 4,11,6 /* vr4 = r11+16. */ - vperm 6,3,4,5 /* Merge the correctly-aligned portions - of vr3/vr4 into vr6. */ +#ifdef __LITTLE_ENDIAN__ + vperm 6,4,3,5 +#else + vperm 6,3,4,5 +#endif lvx 3,11,7 /* vr3 = r11+32. */ - vperm 10,4,3,5 /* Merge the correctly-aligned portions - of vr3/vr4 into vr10. */ +#ifdef __LITTLE_ENDIAN__ + vperm 10,3,4,5 +#else + vperm 10,4,3,5 +#endif addi 11,11,32 stvx 6,0,10 stvx 10,10,6 |