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ARM64: ccmp ... #4 to check if upvalue is closed

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This commit is contained in:
Javier Guerra 2018-06-20 21:45:57 +01:00
parent c3c54ce1ae
commit a52c6bd26e
1 changed files with 1 additions and 1 deletions
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2
src/vm_arm64.dasc
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@ -2780,7 +2780,7 @@ static void build_ins(BuildCtx *ctx, BCOp op, int defop)
|2: // Check if string is white and ensure upvalue is closed.
| ldrb TMP0w, UPVAL:CARG1->closed
| tst TMP1w, #LJ_GC_WHITES // iswhite(str)
| ccmp TMP0w, #0, #0, ne
| ccmp TMP0w, #0, #4, ne
| beq <1
| // Crossed a write barrier. Move the barrier forward.
| mov CARG1, GL