Skip to content

[SPARC][IAS] Handle the case of non-4-byte aligned writeNopData #94251

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
merged 4 commits into from
Jun 9, 2024
Merged

[SPARC][IAS] Handle the case of non-4-byte aligned writeNopData #94251

Changes from all commits
Commits
Show all changes
4 commits
Select commit Hold shift + click to select a range
7a7d6ec
[𝘀𝗽𝗿] changes to main this commit is based on
koachan Jun 3, 2024
d374eef
[𝘀𝗽𝗿] initial version
koachan Jun 3, 2024
3427f41
[𝘀𝗽𝗿] changes introduced through rebase
koachan Jun 9, 2024
51f29e8
Update/fix spr errors
koachan Jun 9, 2024
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
8 changes: 5 additions & 3 deletions llvm/lib/Target/Sparc/MCTargetDesc/SparcAsmBackend.cpp
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -323,9 +323,11 @@ namespace {

bool writeNopData(raw_ostream &OS, uint64_t Count,
const MCSubtargetInfo *STI) const override {
// Cannot emit NOP with size not multiple of 32 bits.
if (Count % 4 != 0)
return false;

// If the count is not 4-byte aligned, we must be writing data into the
// text section (otherwise we have unaligned instructions, and thus have
// far bigger problems), so just write zeros instead.
OS.write_zeros(Count % 4);

uint64_t NumNops = Count / 4;
for (uint64_t i = 0; i != NumNops; ++i)
Expand Down
Loading