Blame SOURCES/0046-ARM64-Fix-write-barrier-in-BC_USETS.patch
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From c785131ca5a6d24adc519e5e0bf1b69b671d912f Mon Sep 17 00:00:00 2001
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From: Mike Pall <mike>
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Date: Sun, 24 Jun 2018 13:18:03 +0200
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Subject: [PATCH 46/72] ARM64: Fix write barrier in BC_USETS.
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Contributed by Javier Guerra Giraldez.
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---
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src/vm_arm64.dasc | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/src/vm_arm64.dasc b/src/vm_arm64.dasc
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index c55794a..fb226e3 100644
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--- a/src/vm_arm64.dasc
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+++ b/src/vm_arm64.dasc
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@@ -2780,7 +2780,7 @@ static void build_ins(BuildCtx *ctx, BCOp op, int defop)
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|2: // Check if string is white and ensure upvalue is closed.
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| ldrb TMP0w, UPVAL:CARG1->closed
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| tst TMP1w, #LJ_GC_WHITES // iswhite(str)
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- | ccmp TMP0w, #0, #0, ne
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+ | ccmp TMP0w, #0, #4, ne
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| beq <1
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| // Crossed a write barrier. Move the barrier forward.
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| mov CARG1, GL
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--
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2.20.1
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