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authorBernhard Reutner-Fischer <rep.dot.nop@gmail.com>2008-10-03 13:59:52 +0000
committerBernhard Reutner-Fischer <rep.dot.nop@gmail.com>2008-10-03 13:59:52 +0000
commit2ba017a2d5af01cc3ef0dc554252a521e8d7c4f8 (patch)
tree0e0db7e3fbb4fbe1be3c56ad6c80bb7d63effb93 /libc/string/bfin
parent94bbeb72728193288f2bf071cf0e40293499045b (diff)
- use c89-style comments
Closes issue #5194
Diffstat (limited to 'libc/string/bfin')
-rw-r--r--libc/string/bfin/memchr.S4
-rw-r--r--libc/string/bfin/strcmp.S80
2 files changed, 42 insertions, 42 deletions
diff --git a/libc/string/bfin/memchr.S b/libc/string/bfin/memchr.S
index 88e46bef6..26d419f7c 100644
--- a/libc/string/bfin/memchr.S
+++ b/libc/string/bfin/memchr.S
@@ -25,8 +25,8 @@
.weak _memchr
ENTRY(_memchr)
- P0 = R0; // P0 = address
- P2 = R2; // P2 = count
+ P0 = R0; /* P0 = address */
+ P2 = R2; /* P2 = count */
R1 = R1.B(Z);
CC = R2 == 0;
IF CC JUMP .Lfailed;
diff --git a/libc/string/bfin/strcmp.S b/libc/string/bfin/strcmp.S
index 12e8c53c6..ef23aa9ab 100644
--- a/libc/string/bfin/strcmp.S
+++ b/libc/string/bfin/strcmp.S
@@ -29,66 +29,66 @@ ENTRY(_strcmp)
p1 = r0;
p2 = r1;
- p0 = -1; // (need for loop counter init)
+ p0 = -1; /* (need for loop counter init) */
- // check if byte aligned
- r0 = r0 | r1; // check both pointers at same time
- r0 <<= 30; // dump all but last 2 bits
- cc = az; // are they zero?
- if !cc jump .Lunaligned; // no; use unaligned code.
- // fall-thru for aligned case..
+ /* check if byte aligned */
+ r0 = r0 | r1; /* check both pointers at same time */
+ r0 <<= 30; /* dump all but last 2 bits */
+ cc = az; /* are they zero? */
+ if !cc jump .Lunaligned; /* no; use unaligned code. */
+ /* fall-thru for aligned case.. */
- // note that r0 is zero from the previous...
- // p0 set to -1
+ /* note that r0 is zero from the previous... */
+ /* p0 set to -1 */
LSETUP (.Lbeginloop, .Lendloop) lc0=p0;
- // pick up first words
+ /* pick up first words */
r1 = [p1++];
r2 = [p2++];
- // make up mask: 0FF0FF
+ /* make up mask: 0FF0FF */
r7 = 0xFF;
r7.h = 0xFF;
- // loop : 9 cycles to check 4 characters
+ /* loop : 9 cycles to check 4 characters */
cc = r1 == r2;
.Lbeginloop:
- if !cc jump .Lnotequal4; // compare failure, exit loop
+ if !cc jump .Lnotequal4; /* compare failure, exit loop */
- // starting with 44332211
- // see if char 3 or char 1 is 0
- r3 = r1 & r7; // form 00330011
- // add to zero, and (r2 is free, reload)
+ /* starting with 44332211 */
+ /* see if char 3 or char 1 is 0 */
+ r3 = r1 & r7; /* form 00330011 */
+ /* add to zero, and (r2 is free, reload) */
r6 = r3 +|+ r0 || r2 = [p2++] || nop;
- cc = az; // true if either is zero
- r3 = r1 ^ r3; // form 44002200 (4321^0301 => 4020)
- // (trick, saves having another mask)
- // add to zero, and (r1 is free, reload)
+ cc = az; /* true if either is zero */
+ r3 = r1 ^ r3; /* form 44002200 (4321^0301 => 4020) */
+ /* (trick, saves having another mask) */
+ /* add to zero, and (r1 is free, reload) */
r6 = r3 +|+ r0 || r1 = [p1++] || nop;
- cc |= az; // true if either is zero
- if cc jump .Lzero4; // leave if a zero somewhere
+ cc |= az; /* true if either is zero */
+ if cc jump .Lzero4; /* leave if a zero somewhere */
.Lendloop:
cc = r1 == r2;
- // loop exits
-.Lnotequal4: // compare failure on 4-char compare
- // address pointers are one word ahead;
- // faster to use zero4 exit code
+ /* loop exits */
+.Lnotequal4: /* compare failure on 4-char compare */
+ /* address pointers are one word ahead; */
+ /* faster to use zero4 exit code */
p1 += 4;
p2 += 4;
-.Lzero4: // one of the bytes in word 1 is zero
- // but we've already fetched the next word; so
- // backup two to look at failing word again
+.Lzero4: /* one of the bytes in word 1 is zero */
+ /* but we've already fetched the next word; so */
+ /* backup two to look at failing word again */
p1 += -8;
p2 += -8;
- // here when pointers are unaligned: checks one
- // character at a time. Also use at the end of
- // the word-check algorithm to figure out what happened
+ /* here when pointers are unaligned: checks one */
+ /* character at a time. Also use at the end of */
+ /* the word-check algorithm to figure out what happened */
.Lunaligned:
- // R0 is non-zero from before.
- // p0 set to -1
+ /* R0 is non-zero from before. */
+ /* p0 set to -1 */
r0 = 0 (Z);
r1 = B[p1++] (Z);
@@ -96,18 +96,18 @@ ENTRY(_strcmp)
LSETUP (.Lbeginloop1, .Lendloop1) lc0=p0;
.Lbeginloop1:
- cc = r1; // first char must be non-zero
- // chars must be the same
+ cc = r1; /* first char must be non-zero */
+ /* chars must be the same */
r3 = r2 - r1 (NS) || r1 = B[p1++] (Z) || nop;
cc &= az;
- r3 = r0 - r2; // second char must be non-zero
+ r3 = r0 - r2; /* second char must be non-zero */
cc &= an;
if !cc jump .Lexitloop1;
.Lendloop1:
r2 = B[p2++] (Z);
-.Lexitloop1: // here means we found a zero or a difference.
- // we have r2(N), p2(N), r1(N+1), p1(N+2)
+.Lexitloop1: /* here means we found a zero or a difference. */
+ /* we have r2(N), p2(N), r1(N+1), p1(N+2) */
r1=B[p1+ -2] (Z);
r0 = r1 - r2;
(r7:4) = [sp++];