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2005-03-14 Thomas Doerfler <Thomas.Doerfler@imd-systems.de>

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* libnetworking/netinet/in_cksum_m68k.h: Change back to lcsum[12]_lbl
	to temporary labels.
This commit is contained in:
Joel Sherrill
2005-03-14 21:45:33 +00:00
parent bb9e843a12
commit e9105d48b8
2 changed files with 10 additions and 5 deletions
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5
cpukit/ChangeLog
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@@ -1,3 +1,8 @@
2005-03-14 Thomas Doerfler <Thomas.Doerfler@imd-systems.de>
* libnetworking/netinet/in_cksum_m68k.h: Change back to lcsum[12]_lbl
to temporary labels.
2005-03-10 Joel Sherrill <joel@OARcorp.com>
* libnetworking/netinet/in_cksum_m68k.h: Change back to lcsum[12]_lbl

10
cpukit/libnetworking/netinet/in_cksum_m68k.h
View File

@@ -125,8 +125,8 @@ in_cksum(m, len)
#else
"andi #0xf,%%cc | Clear X (extended carry flag)\n\t"
#endif
"jmp %%pc@(lcsum2_lbl-.-2:b,%3) | Jump into loop\n"
"lcsum1_lbl: | Begin inner loop...\n\t"
"jmp %%pc@(2f-.-2:b,%3) | Jump into loop\n"
"1: | Begin inner loop...\n\t"
"movel %1@+,%3 | 0: Fetch 32-bit word\n\t"
"addxl %3,%0 | Add word + previous carry\n\t"
"movel %1@+,%3 | 1: Fetch 32-bit word\n\t"
@@ -159,12 +159,12 @@ in_cksum(m, len)
"addxl %3,%0 | Add word + previous carry\n\t"
"movel %1@+,%3 | F: Fetch 32-bit word\n\t"
"addxl %3,%0 | Add word + previous carry\n"
"lcsum2_lbl: | End of unrolled loop\n\t"
"2: | End of unrolled loop\n\t"
#if IS_COLDFIRE
"moveq #0,%3 | Add in last carry\n\t"
"addxl %3,%0 |\n\t"
"subql #1,%2 | Update loop count\n\t"
"bplb lcsum1_lbl | Loop (with X clear) if not done\n\t"
"bplb 1b | Loop (with X clear) if not done\n\t"
"movel #0xffff,%2 | Get word mask\n\t"
"movel %0,%3 | Fold 32 bit sum to 16 bits\n\t"
"swap %3 |\n\t"
@@ -176,7 +176,7 @@ in_cksum(m, len)
"addl %3,%0 |\n\t"
"andl %2,%0 | Mask to 16-bit sum\n\t"
#else
"dbf %2,lcsum1_lbl | (NB- dbf doesn't affect X)\n\t"
"dbf %2,1b | (NB- dbf doesn't affect X)\n\t"
"movel %0,%3 | Fold 32 bit sum to 16 bits\n\t"
"swap %3 | (NB- swap doesn't affect X)\n\t"
"addxw %3,%0 |\n\t"