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Allow length 0 in arrayTranslateTRTO for Power #21087

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Allow length 0 in arrayTranslateTRTO for Power #21087

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7 changes: 4 additions & 3 deletions runtime/compiler/p/runtime/J9PPCArrayTranslate.spp
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Original file line number Diff line number Diff line change
Expand Up @@ -294,14 +294,15 @@ __arrayTranslateTRTO:
! Residue loop, single element per iter
.L.__vectorResidue_TRTO:
mfctr r6
rlwimi. r5, r6, 4, 0, 27 ! add remaining elements from vector loop to residue loop
beq cr0, .L.__done_TRTO ! if 0 elements left, we are done
rlwimi r5, r6, 4, 0, 27 ! add remaining elements from vector loop to residue loop
.L.__alignResidue_TRTO:
cmpi cr0, 0, r5, 0
beq cr0, .L.__done_TRTO ! if 0 elements left, we are done
mtctr r5
addi r3, r3, -2 ! adjust so we can use lhzu
.L.__residueLoop_TRTO:
lhzu r5, 2(r3)
and. r6, r5, r8
and. r6, r5, r8
bne- .L.__done_TRTO
stb r5, 0(r4)
addi r4, r4, 1
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