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bodies_by_type[SVt_PVNV]: handle __float128 NV alignment on 32-bit #22609

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bodies_by_type[SVt_PVNV]: handle __float128 NV alignment on 32-bit #22609

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15 changes: 14 additions & 1 deletion sv_inline.h
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Original file line number Diff line number Diff line change
Expand Up @@ -218,12 +218,25 @@ static const struct body_details bodies_by_type[] = {
SVt_PVIV, FALSE, NONV, HASARENA,
FIT_ARENA(0, sizeof(XPVIV) - STRUCT_OFFSET(XPV, xpv_cur)) },

#if NVSIZE > 8 && PTRSIZE < 8 && MEM_ALIGNBYTES > 8
/* NV may need strict 16 byte alignment.

On 64-bit systems the NV ends up aligned despite the hack
avoiding allocation of xmg_stash and xmg_u, so only do this
for 32-bit systems.
*/
{ sizeof(XPVNV),
sizeof(XPVNV),
0,
SVt_PVNV, FALSE, HADNV, HASARENA,
FIT_ARENA(0, sizeof(XPVNV)) },
#else
{ sizeof(XPVNV) - STRUCT_OFFSET(XPV, xpv_cur),
copy_length(XPVNV, xnv_u) - STRUCT_OFFSET(XPV, xpv_cur),
+ STRUCT_OFFSET(XPV, xpv_cur),
SVt_PVNV, FALSE, HADNV, HASARENA,
FIT_ARENA(0, sizeof(XPVNV) - STRUCT_OFFSET(XPV, xpv_cur)) },

#endif
{ sizeof(XPVMG), copy_length(XPVMG, xnv_u), 0, SVt_PVMG, FALSE, HADNV,
HASARENA, FIT_ARENA(0, sizeof(XPVMG)) },

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