================
@@ -230,22 +230,24 @@ uint64_t MCAssembler::computeFragmentSize(const
MCFragment &F) const {
case MCFragment::FT_Align: {
unsigned Offset = F.Offset + F.getFixedSize();
unsigned Size = offsetToAlignment(Offset, F.getAlignment());
-
- // Insert extra Nops for code alignment if the target define
- // shouldInsertExtraNopBytesForCodeAlign target hook.
- if (F.getParent()->useCodeAlign() && F.hasAlignEmitNops() &&
- getBackend().shouldInsertExtraNopBytesForCodeAlign(F, Size))
- return F.getFixedSize() + Size;
-
- // If we are padding with nops, force the padding to be larger than the
- // minimum nop size.
- if (Size > 0 && F.hasAlignEmitNops()) {
- while (Size % getBackend().getMinimumNopSize())
- Size += F.getAlignment().value();
+ auto &Frag = const_cast<MCFragment &>(F);
+ // In the nops mode, RISC-V style linker relaxation might adjust the size
+ // and add a fixup, even if `Size` is originally 0.
+ bool AlignFixup = false;
+ if (F.hasAlignEmitNops()) {
+ AlignFixup = getBackend().relaxAlign(Frag, Size);
+ // If the backend does not handle the fragment specially, pad with nops,
+ // but ensure that the padding is larger than the minimum nop size.
+ if (!AlignFixup)
+ while (Size % getBackend().getMinimumNopSize())
+ Size += F.getAlignment().value();
}
- if (Size > F.getAlignMaxBytesToEmit())
+ if (!AlignFixup && Size > F.getAlignMaxBytesToEmit())
Size = 0;
- return F.getFixedSize() + Size;
+ Frag.VarContentEnd = F.VarContentStart + Size;
+ if (Frag.VarContentEnd > Frag.getParent()->ContentStorage.size())
+ Frag.getParent()->ContentStorage.resize(Frag.VarContentEnd);
----------------
MaskRay wrote:
Added comment "// Update the variable tail size. The content is ignored."
https://github.com/llvm/llvm-project/pull/149465
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