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authorJoseph Myers <joseph@codesourcery.com>2013-06-05 20:44:03 +0000
committerJoseph Myers <joseph@codesourcery.com>2013-06-05 20:44:03 +0000
commit9c84384cc18ff589233628c193953ca8d7a39f5c (patch)
tree95d1f5aee409b208db7545d678012eeae9559fae /sysdeps/powerpc/powerpc64/strlen.S
parent5556231db2301917cd14a7450de4eba2368c9763 (diff)
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Remove trailing whitespace.
Diffstat (limited to 'sysdeps/powerpc/powerpc64/strlen.S')
-rw-r--r--sysdeps/powerpc/powerpc64/strlen.S10
1 files changed, 5 insertions, 5 deletions
diff --git a/sysdeps/powerpc/powerpc64/strlen.S b/sysdeps/powerpc/powerpc64/strlen.S
index dafd033..0f9b5ee 100644
--- a/sysdeps/powerpc/powerpc64/strlen.S
+++ b/sysdeps/powerpc/powerpc64/strlen.S
@@ -57,11 +57,11 @@
2) How popular are bytes with the high bit set? If they are very rare,
on some processors it might be useful to use the simpler expression
~((x - 0x01010101) | 0x7f7f7f7f) (that is, on processors with only one
- ALU), but this fails when any character has its high bit set.
-
+ ALU), but this fails when any character has its high bit set.
+
Answer:
- 1) Added a Data Cache Block Touch early to prefetch the first 128
- byte cache line. Adding dcbt instructions to the loop would not be
+ 1) Added a Data Cache Block Touch early to prefetch the first 128
+ byte cache line. Adding dcbt instructions to the loop would not be
effective since most strings will be shorter than the cache line.*/
/* Some notes on register usage: Under the SVR4 ABI, we can use registers
@@ -101,7 +101,7 @@ ENTRY (strlen)
li rMASK, -1
insrdi r7F7F, r7F7F, 32, 0
/* That's the setup done, now do the first pair of doublewords.
- We make an exception and use method (2) on the first two doublewords,
+ We make an exception and use method (2) on the first two doublewords,
to reduce overhead. */
srd rMASK, rMASK, rPADN
and rTMP1, r7F7F, rWORD1