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[Arm64/Unix] Remove x19 corruption workaround #10260

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Mar 17, 2017
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[Arm64/Unix] Remove x19 corruption workaround #10260

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5 changes: 1 addition & 4 deletions src/vm/arm64/calldescrworkerarm64.S
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Original file line number Diff line number Diff line change
Expand Up @@ -13,8 +13,7 @@

NESTED_ENTRY CallDescrWorkerInternal, _TEXT, NoHandler
PROLOG_SAVE_REG_PAIR_INDEXED fp, lr, -32
PROLOG_SAVE_REG x19, 16
PROLOG_SAVE_REG x0, 24
PROLOG_SAVE_REG x19, 16 //the stack slot at sp+24 is empty for 16 byte alligment

mov x19, x0 // save pCallDescrData in x19

Expand Down Expand Up @@ -69,8 +68,6 @@ LOCAL_LABEL(NoFloatingPoint):
ldr x9, [x19,#CallDescrData__pTarget]
blr x9

ldr x19, [fp, 24] // Fixup corrupted X19 caller preserved register

ldr w3, [x19,#CallDescrData__fpReturnSize]

// Int return case
Expand Down