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Fixed incorrect use of mvcle introduced by 2001-07-12 change.

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This commit is contained in:
Andreas Jaeger 2001-08-02 14:47:58 +00:00
parent 73331cbf3c
commit 79cc051525
2 changed files with 3 additions and 5 deletions
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3
sysdeps/s390/s390-32/memcpy.S
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@ -49,8 +49,7 @@ ENTRY(memcpy)
# data copies > 1MB are faster with mvcle. # data copies > 1MB are faster with mvcle.
.L4: ahi %r4,1 # length + 1 .L4: ahi %r4,1 # length + 1
lr %r5,%r4 # source length lr %r5,%r4 # source length
lr %r4,%r2 # source address lr %r4,%r3 # source address
lr %r2,%r3 # set destination
lr %r3,%r5 # destination length = source length lr %r3,%r5 # destination length = source length
.L5: mvcle %r2,%r4,0 # thats it, MVCLE is your friend .L5: mvcle %r2,%r4,0 # thats it, MVCLE is your friend
jo .L5 jo .L5

5
sysdeps/s390/s390-64/memcpy.S
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@ -35,7 +35,7 @@ ENTRY(memcpy)
srlg %r5,%r4,8 srlg %r5,%r4,8
ltgr %r5,%r5 # < 256 bytes to mvoe ? ltgr %r5,%r5 # < 256 bytes to mvoe ?
jz .L1 jz .L1
chi %r6,255 # > 1 MB to move ? chi %r5,255 # > 1 MB to move ?
jh .L4 jh .L4
.L0: mvc 0(256,%r1),0(%r3) # move in 256 byte chunks .L0: mvc 0(256,%r1),0(%r3) # move in 256 byte chunks
la %r1,256(%r1) la %r1,256(%r1)
@ -48,8 +48,7 @@ ENTRY(memcpy)
# data copies > 1MB are faster with mvcle. # data copies > 1MB are faster with mvcle.
.L4: aghi %r4,1 # length + 1 .L4: aghi %r4,1 # length + 1
lgr %r5,%r4 # source length lgr %r5,%r4 # source length
lgr %r4,%r2 # source address lgr %r4,%r3 # source address
lgr %r2,%r3 # set destination
lgr %r3,%r5 # destination length = source length lgr %r3,%r5 # destination length = source length
.L5: mvcle %r2,%r4,0 # thats it, MVCLE is your friend .L5: mvcle %r2,%r4,0 # thats it, MVCLE is your friend
jo .L5 jo .L5