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author | David Monniaux <david.monniaux@univ-grenoble-alpes.fr> | 2019-07-19 18:25:09 +0200 |
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committer | David Monniaux <david.monniaux@univ-grenoble-alpes.fr> | 2019-07-19 18:25:09 +0200 |
commit | 3b79923a6c9fa8c76916df1eecfdecd7ae2124a5 (patch) | |
tree | 98b27b88ea7195a244eff90eaa5f63028ad518a6 /x86/SelectOp.vp | |
parent | 9bc337d05eed466e2bfc9b18aa35fac34d3954a9 (diff) | |
parent | 91381b65f5aa76e5195caae9ef331b3f5f95afaf (diff) | |
download | compcert-kvx-3b79923a6c9fa8c76916df1eecfdecd7ae2124a5.tar.gz compcert-kvx-3b79923a6c9fa8c76916df1eecfdecd7ae2124a5.zip |
Merge branch 'master' of https://github.com/AbsInt/CompCert into mppa-work-upstream-merge
Diffstat (limited to 'x86/SelectOp.vp')
-rw-r--r-- | x86/SelectOp.vp | 39 |
1 files changed, 28 insertions, 11 deletions
diff --git a/x86/SelectOp.vp b/x86/SelectOp.vp index c0434a67..d734ecc6 100644 --- a/x86/SelectOp.vp +++ b/x86/SelectOp.vp @@ -38,9 +38,13 @@ Require Import Coqlib. Require Import Compopts. -Require Import AST Integers Floats. +Require Import AST Integers Floats Builtins. Require Import Op CminorSel. +<<<<<<< HEAD Require Import OpHelpers. +======= +Require Archi. +>>>>>>> 91381b65f5aa76e5195caae9ef331b3f5f95afaf Local Open Scope cminorsel_scope. @@ -499,21 +503,27 @@ Nondetfunction floatofint (e: expr) := end. 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.splitlong then + 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 + else + Eop Olowlong (Eop Olongoffloat (e ::: Enil) ::: Enil). Nondetfunction floatofintu (e: expr) := match e with | Eop (Ointconst n) Enil => Eop (Ofloatconst (Float.of_intu n)) Enil | _ => - let f := Eop (Ofloatconst (Float.of_intu Float.ox8000_0000)) Enil in - Elet e - (Econdition (CEcond (Ccompuimm Clt Float.ox8000_0000) (Eletvar O ::: Enil)) - (floatofint (Eletvar O)) - (addf (floatofint (addimm (Int.neg Float.ox8000_0000) (Eletvar O))) f)) + if Archi.splitlong then + let f := Eop (Ofloatconst (Float.of_intu Float.ox8000_0000)) Enil in + Elet e + (Econdition (CEcond (Ccompuimm Clt Float.ox8000_0000) (Eletvar O ::: Enil)) + (floatofint (Eletvar O)) + (addf (floatofint (addimm (Int.neg Float.ox8000_0000) (Eletvar O))) f)) + else + Eop Ofloatoflong (Eop Ocast32unsigned (e ::: Enil) ::: Enil) end. Definition intofsingle (e: expr) := Eop Ointofsingle (e ::: Enil). @@ -570,9 +580,16 @@ Nondetfunction builtin_arg (e: expr) := | _ => BA e end. +<<<<<<< HEAD (* floats *) Definition divf_base (e1: expr) (e2: expr) := Eop Odivf (e1 ::: e2 ::: Enil). Definition divfs_base (e1: expr) (e2: expr) := Eop Odivfs (e1 ::: e2 ::: Enil). +======= +(** Platform-specific known builtins *) + +Definition platform_builtin (b: platform_builtin) (args: exprlist) : option expr := + None. +>>>>>>> 91381b65f5aa76e5195caae9ef331b3f5f95afaf |