llvm_ir_generator: make sure RPC allocations are not underaligned.

2016-10-16 16:43:03 +00:00 · 2016-10-16 16:43:03 +00:00 · 2a9e370840
commit 2a9e370840
parent 7618907cad
1 changed files with 1 additions and 0 deletions
--- a/artiq/compiler/transforms/llvm_ir_generator.py
+++ b/artiq/compiler/transforms/llvm_ir_generator.py
@ -1289,6 +1289,7 @@ class LLVMIRGenerator:

        self.llbuilder.position_at_end(llalloc)
        llalloca = self.llbuilder.alloca(lli8, llsize, name="rpc.alloc")
+        llalloca.align = 4 # maximum alignment required by OR1K ABI
        llphi.add_incoming(llalloca, llalloc)
        self.llbuilder.branch(llhead)