From 810cd7b4bb572dd8d7bd9cae3383cb8724414a1a Mon Sep 17 00:00:00 2001 From: Slava Pestov Date: Tue, 29 Sep 2009 22:28:20 -0500 Subject: [PATCH] compiler.cfg.ssa.destruction: don't coalesce registers with different representations, even if they're in the same register class, since this messes up spilling --- basis/compiler/cfg/ssa/destruction/destruction.factor | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/basis/compiler/cfg/ssa/destruction/destruction.factor b/basis/compiler/cfg/ssa/destruction/destruction.factor index 67570302d7..071b5d4b20 100644 --- a/basis/compiler/cfg/ssa/destruction/destruction.factor +++ b/basis/compiler/cfg/ssa/destruction/destruction.factor @@ -3,7 +3,6 @@ USING: accessors arrays assocs fry kernel namespaces sequences sequences.deep sets vectors -cpu.architecture compiler.cfg.rpo compiler.cfg.def-use compiler.cfg.renaming @@ -68,7 +67,7 @@ M: insn prepare-insn [ defs-vreg ] [ uses-vregs ] bi 2dup empty? not and [ first - 2dup [ rep-of reg-class-of ] bi@ eq? + 2dup [ rep-of ] bi@ eq? [ try-to-coalesce ] [ 2drop ] if ] [ 2drop ] if ;