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stage2: sparc64: Account for delay slot in airBlock

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This commit is contained in:
Koakuma
2022-05-28 09:06:25 +07:00
parent 3220e0b61c
commit 89b4195c69
1 changed files with 7 additions and 2 deletions
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9
src/arch/sparc64/CodeGen.zig
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@@ -991,9 +991,14 @@ fn airBlock(self: *Self, inst: Air.Inst.Index) !void {
const relocs = &self.blocks.getPtr(inst).?.relocs;
if (relocs.items.len > 0 and relocs.items[relocs.items.len - 1] == self.mir_instructions.len - 1) {
// If the last Mir instruction is the last relocation (which
// would just jump one instruction further), it can be safely
// would just jump two instruction further), it can be safely
// removed
self.mir_instructions.orderedRemove(relocs.pop());
const index = relocs.pop();
// First, remove the delay slot, then remove
// the branch instruction itself.
self.mir_instructions.orderedRemove(index + 1);
self.mir_instructions.orderedRemove(index);
}
for (relocs.items) |reloc| {
try self.performReloc(reloc);