e8e4738043
OBS-URL: https://build.opensuse.org/package/show/Publishing:TeXLive/texlive?expand=0&rev=366
30 lines
1.0 KiB
Diff
30 lines
1.0 KiB
Diff
From: Jason Teplitz <jason@tensyr.com>
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Date: Mon, 9 Oct 2017 23:03:09 +0000
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Subject: Fix register allocation bug in arm64
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---
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src/lj_asm_arm64.h | 3 +--
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1 file changed, 1 insertion(+), 2 deletions(-)
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diff --git a/src/lj_asm_arm64.h b/src/lj_asm_arm64.h
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index 8fd92e7..549f8a6 100644
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--- a/src/lj_asm_arm64.h
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+++ b/src/lj_asm_arm64.h
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@@ -871,7 +871,7 @@ static void asm_hrefk(ASMState *as, IRIns *ir)
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int bigofs = !emit_checkofs(A64I_LDRx, ofs);
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RegSet allow = RSET_GPR;
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Reg dest = (ra_used(ir) || bigofs) ? ra_dest(as, ir, RSET_GPR) : RID_NONE;
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- Reg node = ra_alloc1(as, ir->op1, allow);
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+ Reg node = ra_alloc1(as, ir->op1, ra_hasreg(dest) ? rset_clear(allow, dest) : allow);
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Reg key = ra_scratch(as, rset_clear(allow, node));
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Reg idx = node;
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uint64_t k;
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@@ -879,7 +879,6 @@ static void asm_hrefk(ASMState *as, IRIns *ir)
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rset_clear(allow, key);
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if (bigofs) {
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idx = dest;
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- rset_clear(allow, dest);
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kofs = (int32_t)offsetof(Node, key);
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} else if (ra_hasreg(dest)) {
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emit_opk(as, A64I_ADDx, dest, node, ofs, allow);
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