diff options
| author | joseph <joseph@7b3dc134-2b1b-0410-93df-9e9f96275f8d> | 2013-09-05 22:41:05 +0000 |
|---|---|---|
| committer | joseph <joseph@7b3dc134-2b1b-0410-93df-9e9f96275f8d> | 2013-09-05 22:41:05 +0000 |
| commit | 2c1d357a5fe5bdc4c9521a9d1af05ba1b5a4c238 (patch) | |
| tree | 12e23fa555f1432064e8fdeeb063dce798764f50 /libc/sysdeps/powerpc/powerpc32/power6/memcpy.S | |
| parent | 0d983ceeeee6bd20ae296d224ca2fd4bf27a47af (diff) | |
Merge changes between r23795 and r23927 from /fsf/trunk.
git-svn-id: svn://svn.eglibc.org/trunk@23928 7b3dc134-2b1b-0410-93df-9e9f96275f8d
Diffstat (limited to 'libc/sysdeps/powerpc/powerpc32/power6/memcpy.S')
| -rw-r--r-- | libc/sysdeps/powerpc/powerpc32/power6/memcpy.S | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/libc/sysdeps/powerpc/powerpc32/power6/memcpy.S b/libc/sysdeps/powerpc/powerpc32/power6/memcpy.S index c3d55b768..a76f71e04 100644 --- a/libc/sysdeps/powerpc/powerpc32/power6/memcpy.S +++ b/libc/sysdeps/powerpc/powerpc32/power6/memcpy.S @@ -269,7 +269,7 @@ L(wus_tail16): /* Move 16 bytes. */ addi 1,1,32 blr .align 4 -L(wus_tail16p8): /* less then 8 bytes left. */ +L(wus_tail16p8): /* less than 8 bytes left. */ beq cr1,L(wus_tailX) /* exactly 16 bytes, early exit. */ cmplwi cr1,10,20 bf 29,L(wus_tail16p2) @@ -283,7 +283,7 @@ L(wus_tail16p8): /* less then 8 bytes left. */ addi 1,1,32 blr .align 4 -L(wus_tail16p4): /* less then 4 bytes left. */ +L(wus_tail16p4): /* less than 4 bytes left. */ addi 12,12,24 addi 11,11,24 bgt cr0,L(wus_tail2) @@ -291,7 +291,7 @@ L(wus_tail16p4): /* less then 4 bytes left. */ addi 1,1,32 blr .align 4 -L(wus_tail16p2): /* 16 bytes moved, less then 4 bytes left. */ +L(wus_tail16p2): /* 16 bytes moved, less than 4 bytes left. */ addi 12,12,16 addi 11,11,16 b L(wus_tail2) @@ -315,7 +315,7 @@ L(wus_tail8): /* Move 8 bytes. */ addi 1,1,32 blr .align 4 -L(wus_tail8p4): /* less then 4 bytes left. */ +L(wus_tail8p4): /* less than 4 bytes left. */ addi 12,12,8 addi 11,11,8 bgt cr1,L(wus_tail2) @@ -326,7 +326,7 @@ L(wus_tail8p4): /* less then 4 bytes left. */ .align 4 L(wus_tail4): /* Move 4 bytes. */ /* r6 already loaded speculatively. If we are here we know there is - more then 4 bytes left. So there is no need to test. */ + more than 4 bytes left. So there is no need to test. */ addi 12,12,4 stw 6,0(11) addi 11,11,4 @@ -426,14 +426,14 @@ L(wdu): First we need to copy word up to but not crossing the next 32-byte boundary. Then perform aligned loads just before and just after the boundary and use shifts and or to generate the next aligned - word for dst. If more then 32 bytes remain we copy (unaligned src) - the next 7 words and repeat the loop until less then 32-bytes + word for dst. If more than 32 bytes remain we copy (unaligned src) + the next 7 words and repeat the loop until less than 32-bytes remain. - Then if more then 4 bytes remain we again use aligned loads, + Then if more than 4 bytes remain we again use aligned loads, shifts and or to generate the next dst word. We then process the remaining words using unaligned loads as needed. Finally we check - if there more then 0 bytes (1-3) bytes remaining and use + if there are more than 0 bytes (1-3) bytes remaining and use halfword and or byte load/stores to complete the copy. */ mr 4,12 /* restore unaligned adjusted src ptr */ |