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Improve arrayTranslateTROT255 helper for Power #21082

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Improve arrayTranslateTROT255 helper for Power #21082

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16 changes: 8 additions & 8 deletions runtime/compiler/p/runtime/J9PPCArrayTranslate.spp
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Original file line number Diff line number Diff line change
Expand Up @@ -680,18 +680,18 @@ __arrayTranslateTROT255:
.L.__simple_TROT255:
cmpi cr0, 0, r5, 0
beq cr0, .L.__done_TROT255 ! exit if done with input
addi r3, r3, -1 ! adjust so we can use lbzu
addi r4, r4, -2 ! adjust so we can use sthu
.L.__residue_TROT255:
lbz r6, 0(r3)
sth r6, 0(r4)
addi r3, r3, 1
addi r4, r4, 2
addi r5, r5, -1
cmpi cr0, 0, r5, 0
bne cr0, .L.__residue_TROT255
lbzu r6, 1(r3)
sthu r6, 2(r4)
addi r5, r5, -1
cmpi cr0, 0, r5, 0
bne cr0, .L.__residue_TROT255

.L.__done_TROT255:
laddr r3, -ALen(J9SP) ! Return number of elements processed.
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#ifdef AIXPPC
.machine "pop"
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