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Pointer Tagging
[ghc-hetmet.git]
/
compiler
/
codeGen
/
CgHeapery.lhs
diff --git
a/compiler/codeGen/CgHeapery.lhs
b/compiler/codeGen/CgHeapery.lhs
index
3bba211
..
b89452e
100644
(file)
--- a/
compiler/codeGen/CgHeapery.lhs
+++ b/
compiler/codeGen/CgHeapery.lhs
@@
-288,6
+288,9
@@
hpStkCheck cl_info is_fun reg_save_code code
= noStmts
| otherwise
= oneStmt (CmmAssign nodeReg (CmmLit (CmmLabel closure_lbl)))
= noStmts
| otherwise
= oneStmt (CmmAssign nodeReg (CmmLit (CmmLabel closure_lbl)))
+ -- Strictly speaking, we should tag node here. But if
+ -- node doesn't point to the closure, the code for the closure
+ -- cannot depend on the value of R1 anyway, so we're safe.
closure_lbl = closureLabelFromCI cl_info
full_save_code = node_asst `plusStmts` reg_save_code
closure_lbl = closureLabelFromCI cl_info
full_save_code = node_asst `plusStmts` reg_save_code