From 29e0c9b2c99a437fc9dfab66e1abdd546a5308d6 Mon Sep 17 00:00:00 2001 From: xleroy Date: Thu, 2 Jan 2014 15:59:11 +0000 Subject: Updated ARM backend wrt new static analyses and optimizations. NeedOp, Deadcode: must have distinct needs per argument of an operator. This change remains to be propagated to IA32 and PPC. git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@2399 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e --- arm/Asmgen.v | 8 ++++++++ 1 file changed, 8 insertions(+) (limited to 'arm/Asmgen.v') diff --git a/arm/Asmgen.v b/arm/Asmgen.v index 3707b7f2..b6cb2b3c 100644 --- a/arm/Asmgen.v +++ b/arm/Asmgen.v @@ -267,6 +267,14 @@ Definition transl_op | Oaddrstack n, nil => do r <- ireg_of res; OK (addimm r IR13 n k) + | Ocast8signed, a1 :: nil => + do r <- ireg_of res; do r1 <- ireg_of a1; + OK (Pmov r (SOlslimm r1 (Int.repr 24)) :: + Pmov r (SOasrimm r (Int.repr 24)) :: k) + | Ocast16signed, a1 :: nil => + do r <- ireg_of res; do r1 <- ireg_of a1; + OK (Pmov r (SOlslimm r1 (Int.repr 16)) :: + Pmov r (SOasrimm r (Int.repr 16)) :: k) | Oadd, a1 :: a2 :: nil => do r <- ireg_of res; do r1 <- ireg_of a1; do r2 <- ireg_of a2; OK (Padd r r1 (SOreg r2) :: k) -- cgit