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| author | Xavier Leroy <xavierleroy@users.noreply.github.com> | 2015-10-11 11:14:30 +0200 |
|---|---|---|
| committer | Xavier Leroy <xavierleroy@users.noreply.github.com> | 2015-10-11 11:14:30 +0200 |
| commit | ef0f69dc1caeab169dcefca4d8b89f4d9e756bb5 (patch) | |
| tree | d0ec8447f1b87b46d9dc49df81f91d80245cd396 /powerpc/SelectOp.vp | |
| parent | 659b735ed2dbefcbe8bcb2ec2123b66019ddaf14 (diff) | |
| parent | 03672b4bbb2c837ea61a716d0ae67d87f68d20f8 (diff) | |
| download | compcert-ef0f69dc1caeab169dcefca4d8b89f4d9e756bb5.tar.gz compcert-ef0f69dc1caeab169dcefca4d8b89f4d9e756bb5.zip | |
Merge pull request #51 from AbsInt/ppc64
Take advantage of PowerPC 64-bit instructions
Diffstat (limited to 'powerpc/SelectOp.vp')
| -rw-r--r-- | powerpc/SelectOp.vp | 25 |
1 files changed, 15 insertions, 10 deletions
diff --git a/powerpc/SelectOp.vp b/powerpc/SelectOp.vp index 6d39569e..a1fcecc7 100644 --- a/powerpc/SelectOp.vp +++ b/powerpc/SelectOp.vp @@ -466,19 +466,23 @@ Nondetfunction cast16signed (e: expr) := Definition intoffloat (e: expr) := Eop Ointoffloat (e ::: Enil). Definition intuoffloat (e: expr) := - Elet e - (Elet (Eop (Ofloatconst (Float.of_intu Float.ox8000_0000)) Enil) - (Econdition (CEcond (Ccompf Clt) (Eletvar 1 ::: Eletvar 0 ::: Enil)) - (intoffloat (Eletvar 1)) - (addimm Float.ox8000_0000 (intoffloat (subf (Eletvar 1) (Eletvar 0))))))%nat. + if Archi.ppc64 then + Eop Ointuoffloat (e ::: Enil) + else + Elet e + (Elet (Eop (Ofloatconst (Float.of_intu Float.ox8000_0000)) Enil) + (Econdition (CEcond (Ccompf Clt) (Eletvar 1 ::: Eletvar 0 ::: Enil)) + (intoffloat (Eletvar 1)) + (addimm Float.ox8000_0000 (intoffloat (subf (Eletvar 1) (Eletvar 0))))))%nat. Nondetfunction floatofintu (e: expr) := match e with | Eop (Ointconst n) Enil => Eop (Ofloatconst (Float.of_intu n)) Enil | _ => - subf (Eop Ofloatofwords (Eop (Ointconst Float.ox4330_0000) Enil ::: e ::: Enil)) - (Eop (Ofloatconst (Float.from_words Float.ox4330_0000 Int.zero)) Enil) + if Archi.ppc64 then Eop Ofloatofintu (e ::: Enil) else + subf (Eop Ofloatofwords (Eop (Ointconst Float.ox4330_0000) Enil ::: e ::: Enil)) + (Eop (Ofloatconst (Float.from_words Float.ox4330_0000 Int.zero)) Enil) end. Nondetfunction floatofint (e: expr) := @@ -486,9 +490,10 @@ Nondetfunction floatofint (e: expr) := | Eop (Ointconst n) Enil => Eop (Ofloatconst (Float.of_int n)) Enil | _ => - subf (Eop Ofloatofwords (Eop (Ointconst Float.ox4330_0000) Enil - ::: addimm Float.ox8000_0000 e ::: Enil)) - (Eop (Ofloatconst (Float.from_words Float.ox4330_0000 Float.ox8000_0000)) Enil) + if Archi.ppc64 then Eop Ofloatofint (e ::: Enil) else + subf (Eop Ofloatofwords (Eop (Ointconst Float.ox4330_0000) Enil + ::: addimm Float.ox8000_0000 e ::: Enil)) + (Eop (Ofloatconst (Float.from_words Float.ox4330_0000 Float.ox8000_0000)) Enil) end. Definition intofsingle (e: expr) := |