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author | David Monniaux <david.monniaux@univ-grenoble-alpes.fr> | 2019-03-22 08:08:44 +0100 |
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committer | David Monniaux <david.monniaux@univ-grenoble-alpes.fr> | 2019-03-22 08:08:44 +0100 |
commit | ba2b825a42807102a93cd6df1ce90b41d415569c (patch) | |
tree | 524791f9b646591b6afb9d1edaef906e7d32875a /mppa_k1c | |
parent | c4661a0181e6db3aa4a36939bdbea5948eadb6c9 (diff) | |
parent | 49ea6f7d4b9e18f8aa740d068bb3fb9e49596e00 (diff) | |
download | compcert-kvx-ba2b825a42807102a93cd6df1ce90b41d415569c.tar.gz compcert-kvx-ba2b825a42807102a93cd6df1ce90b41d415569c.zip |
Merge branch 'mppa_postpass' into mppa-mul
Diffstat (limited to 'mppa_k1c')
-rw-r--r-- | mppa_k1c/ConstpropOp.v | 613 | ||||
-rw-r--r-- | mppa_k1c/Machregsaux.ml | 5 | ||||
-rw-r--r-- | mppa_k1c/Machregsaux.mli | 2 |
3 files changed, 7 insertions, 613 deletions
diff --git a/mppa_k1c/ConstpropOp.v b/mppa_k1c/ConstpropOp.v deleted file mode 100644 index e7391ab5..00000000 --- a/mppa_k1c/ConstpropOp.v +++ /dev/null @@ -1,613 +0,0 @@ -(* *********************************************************************) -(* *) -(* The Compcert verified compiler *) -(* *) -(* Xavier Leroy, INRIA Paris *) -(* *) -(* Copyright Institut National de Recherche en Informatique et en *) -(* Automatique. All rights reserved. This file is distributed *) -(* under the terms of the INRIA Non-Commercial License Agreement. *) -(* *) -(* *********************************************************************) - -(** Strength reduction for operators and conditions. - This is the machine-dependent part of [Constprop]. *) - -Require Archi. -Require Import Coqlib Compopts. -Require Import AST Integers Floats. -Require Import Op Registers. -Require Import ValueDomain. - -(** * Converting known values to constants *) - -Definition const_for_result (a: aval) : option operation := - match a with - | I n => Some(Ointconst n) - | L n => if Archi.ptr64 then Some(Olongconst n) else None - | F n => if Compopts.generate_float_constants tt then Some(Ofloatconst n) else None - | FS n => if Compopts.generate_float_constants tt then Some(Osingleconst n) else None - | Ptr(Gl id ofs) => Some(Oaddrsymbol id ofs) - | Ptr(Stk ofs) => Some(Oaddrstack ofs) - | _ => None - end. - -(** * Operator strength reduction *) - -(** We now define auxiliary functions for strength reduction of - operators and addressing modes: replacing an operator with a cheaper - one if some of its arguments are statically known. These are again - large pattern-matchings expressed in indirect style. *) - -(** Original definition: -<< -Nondetfunction cond_strength_reduction - (cond: condition) (args: list reg) (vl: list aval) := - match cond, args, vl with - | Ccomp c, r1 :: r2 :: nil, I n1 :: v2 :: nil => - (Ccompimm (swap_comparison c) n1, r2 :: nil) - | Ccomp c, r1 :: r2 :: nil, v1 :: I n2 :: nil => - (Ccompimm c n2, r1 :: nil) - | Ccompu c, r1 :: r2 :: nil, I n1 :: v2 :: nil => - (Ccompuimm (swap_comparison c) n1, r2 :: nil) - | Ccompu c, r1 :: r2 :: nil, v1 :: I n2 :: nil => - (Ccompuimm c n2, r1 :: nil) - | Ccompl c, r1 :: r2 :: nil, L n1 :: v2 :: nil => - (Ccomplimm (swap_comparison c) n1, r2 :: nil) - | Ccompl c, r1 :: r2 :: nil, v1 :: L n2 :: nil => - (Ccomplimm c n2, r1 :: nil) - | Ccomplu c, r1 :: r2 :: nil, L n1 :: v2 :: nil => - (Ccompluimm (swap_comparison c) n1, r2 :: nil) - | Ccomplu c, r1 :: r2 :: nil, v1 :: L n2 :: nil => - (Ccompluimm c n2, r1 :: nil) - | _, _, _ => - (cond, args) - end. ->> -*) - -Inductive cond_strength_reduction_cases: forall (cond: condition) (args: list reg) (vl: list aval), Type := - | cond_strength_reduction_case1: forall c r1 r2 n1 v2, cond_strength_reduction_cases (Ccomp c) (r1 :: r2 :: nil) (I n1 :: v2 :: nil) - | cond_strength_reduction_case2: forall c r1 r2 v1 n2, cond_strength_reduction_cases (Ccomp c) (r1 :: r2 :: nil) (v1 :: I n2 :: nil) - | cond_strength_reduction_case3: forall c r1 r2 n1 v2, cond_strength_reduction_cases (Ccompu c) (r1 :: r2 :: nil) (I n1 :: v2 :: nil) - | cond_strength_reduction_case4: forall c r1 r2 v1 n2, cond_strength_reduction_cases (Ccompu c) (r1 :: r2 :: nil) (v1 :: I n2 :: nil) - | cond_strength_reduction_case5: forall c r1 r2 n1 v2, cond_strength_reduction_cases (Ccompl c) (r1 :: r2 :: nil) (L n1 :: v2 :: nil) - | cond_strength_reduction_case6: forall c r1 r2 v1 n2, cond_strength_reduction_cases (Ccompl c) (r1 :: r2 :: nil) (v1 :: L n2 :: nil) - | cond_strength_reduction_case7: forall c r1 r2 n1 v2, cond_strength_reduction_cases (Ccomplu c) (r1 :: r2 :: nil) (L n1 :: v2 :: nil) - | cond_strength_reduction_case8: forall c r1 r2 v1 n2, cond_strength_reduction_cases (Ccomplu c) (r1 :: r2 :: nil) (v1 :: L n2 :: nil) - | cond_strength_reduction_default: forall (cond: condition) (args: list reg) (vl: list aval), cond_strength_reduction_cases cond args vl. - -Definition cond_strength_reduction_match (cond: condition) (args: list reg) (vl: list aval) := - match cond as zz1, args as zz2, vl as zz3 return cond_strength_reduction_cases zz1 zz2 zz3 with - | Ccomp c, r1 :: r2 :: nil, I n1 :: v2 :: nil => cond_strength_reduction_case1 c r1 r2 n1 v2 - | Ccomp c, r1 :: r2 :: nil, v1 :: I n2 :: nil => cond_strength_reduction_case2 c r1 r2 v1 n2 - | Ccompu c, r1 :: r2 :: nil, I n1 :: v2 :: nil => cond_strength_reduction_case3 c r1 r2 n1 v2 - | Ccompu c, r1 :: r2 :: nil, v1 :: I n2 :: nil => cond_strength_reduction_case4 c r1 r2 v1 n2 - | Ccompl c, r1 :: r2 :: nil, L n1 :: v2 :: nil => cond_strength_reduction_case5 c r1 r2 n1 v2 - | Ccompl c, r1 :: r2 :: nil, v1 :: L n2 :: nil => cond_strength_reduction_case6 c r1 r2 v1 n2 - | Ccomplu c, r1 :: r2 :: nil, L n1 :: v2 :: nil => cond_strength_reduction_case7 c r1 r2 n1 v2 - | Ccomplu c, r1 :: r2 :: nil, v1 :: L n2 :: nil => cond_strength_reduction_case8 c r1 r2 v1 n2 - | cond, args, vl => cond_strength_reduction_default cond args vl - end. - -Definition cond_strength_reduction (cond: condition) (args: list reg) (vl: list aval) := - match cond_strength_reduction_match cond args vl with - | cond_strength_reduction_case1 c r1 r2 n1 v2 => (* Ccomp c, r1 :: r2 :: nil, I n1 :: v2 :: nil *) - (Ccompimm (swap_comparison c) n1, r2 :: nil) - | cond_strength_reduction_case2 c r1 r2 v1 n2 => (* Ccomp c, r1 :: r2 :: nil, v1 :: I n2 :: nil *) - (Ccompimm c n2, r1 :: nil) - | cond_strength_reduction_case3 c r1 r2 n1 v2 => (* Ccompu c, r1 :: r2 :: nil, I n1 :: v2 :: nil *) - (Ccompuimm (swap_comparison c) n1, r2 :: nil) - | cond_strength_reduction_case4 c r1 r2 v1 n2 => (* Ccompu c, r1 :: r2 :: nil, v1 :: I n2 :: nil *) - (Ccompuimm c n2, r1 :: nil) - | cond_strength_reduction_case5 c r1 r2 n1 v2 => (* Ccompl c, r1 :: r2 :: nil, L n1 :: v2 :: nil *) - (Ccomplimm (swap_comparison c) n1, r2 :: nil) - | cond_strength_reduction_case6 c r1 r2 v1 n2 => (* Ccompl c, r1 :: r2 :: nil, v1 :: L n2 :: nil *) - (Ccomplimm c n2, r1 :: nil) - | cond_strength_reduction_case7 c r1 r2 n1 v2 => (* Ccomplu c, r1 :: r2 :: nil, L n1 :: v2 :: nil *) - (Ccompluimm (swap_comparison c) n1, r2 :: nil) - | cond_strength_reduction_case8 c r1 r2 v1 n2 => (* Ccomplu c, r1 :: r2 :: nil, v1 :: L n2 :: nil *) - (Ccompluimm c n2, r1 :: nil) - | cond_strength_reduction_default cond args vl => - (cond, args) - end. - - -Definition make_cmp_base (c: condition) (args: list reg) (vl: list aval) := - let (c', args') := cond_strength_reduction c args vl in (Ocmp c', args'). - -Definition make_cmp_imm_eq (c: condition) (args: list reg) (vl: list aval) - (n: int) (r1: reg) (v1: aval) := - if Int.eq_dec n Int.one && vincl v1 (Uns Ptop 1) then (Omove, r1 :: nil) - else if Int.eq_dec n Int.zero && vincl v1 (Uns Ptop 1) then (Oxorimm Int.one, r1 :: nil) - else make_cmp_base c args vl. - -Definition make_cmp_imm_ne (c: condition) (args: list reg) (vl: list aval) - (n: int) (r1: reg) (v1: aval) := - if Int.eq_dec n Int.zero && vincl v1 (Uns Ptop 1) then (Omove, r1 :: nil) - else if Int.eq_dec n Int.one && vincl v1 (Uns Ptop 1) then (Oxorimm Int.one, r1 :: nil) - else make_cmp_base c args vl. - -(** Original definition: -<< -Nondetfunction make_cmp (c: condition) (args: list reg) (vl: list aval) := - match c, args, vl with - | Ccompimm Ceq n, r1 :: nil, v1 :: nil => - make_cmp_imm_eq c args vl n r1 v1 - | Ccompimm Cne n, r1 :: nil, v1 :: nil => - make_cmp_imm_ne c args vl n r1 v1 - | Ccompuimm Ceq n, r1 :: nil, v1 :: nil => - make_cmp_imm_eq c args vl n r1 v1 - | Ccompuimm Cne n, r1 :: nil, v1 :: nil => - make_cmp_imm_ne c args vl n r1 v1 - | _, _, _ => - make_cmp_base c args vl - end. ->> -*) - -Inductive make_cmp_cases: forall (c: condition) (args: list reg) (vl: list aval), Type := - | make_cmp_case1: forall n r1 v1, make_cmp_cases (Ccompimm Ceq n) (r1 :: nil) (v1 :: nil) - | make_cmp_case2: forall n r1 v1, make_cmp_cases (Ccompimm Cne n) (r1 :: nil) (v1 :: nil) - | make_cmp_case3: forall n r1 v1, make_cmp_cases (Ccompuimm Ceq n) (r1 :: nil) (v1 :: nil) - | make_cmp_case4: forall n r1 v1, make_cmp_cases (Ccompuimm Cne n) (r1 :: nil) (v1 :: nil) - | make_cmp_default: forall (c: condition) (args: list reg) (vl: list aval), make_cmp_cases c args vl. - -Definition make_cmp_match (c: condition) (args: list reg) (vl: list aval) := - match c as zz1, args as zz2, vl as zz3 return make_cmp_cases zz1 zz2 zz3 with - | Ccompimm Ceq n, r1 :: nil, v1 :: nil => make_cmp_case1 n r1 v1 - | Ccompimm Cne n, r1 :: nil, v1 :: nil => make_cmp_case2 n r1 v1 - | Ccompuimm Ceq n, r1 :: nil, v1 :: nil => make_cmp_case3 n r1 v1 - | Ccompuimm Cne n, r1 :: nil, v1 :: nil => make_cmp_case4 n r1 v1 - | c, args, vl => make_cmp_default c args vl - end. - -Definition make_cmp (c: condition) (args: list reg) (vl: list aval) := - match make_cmp_match c args vl with - | make_cmp_case1 n r1 v1 => (* Ccompimm Ceq n, r1 :: nil, v1 :: nil *) - make_cmp_imm_eq c args vl n r1 v1 - | make_cmp_case2 n r1 v1 => (* Ccompimm Cne n, r1 :: nil, v1 :: nil *) - make_cmp_imm_ne c args vl n r1 v1 - | make_cmp_case3 n r1 v1 => (* Ccompuimm Ceq n, r1 :: nil, v1 :: nil *) - make_cmp_imm_eq c args vl n r1 v1 - | make_cmp_case4 n r1 v1 => (* Ccompuimm Cne n, r1 :: nil, v1 :: nil *) - make_cmp_imm_ne c args vl n r1 v1 - | make_cmp_default c args vl => - make_cmp_base c args vl - end. - - -Definition make_addimm (n: int) (r: reg) := - if Int.eq n Int.zero - then (Omove, r :: nil) - else (Oaddimm n, r :: nil). - -Definition make_shlimm (n: int) (r1 r2: reg) := - if Int.eq n Int.zero then (Omove, r1 :: nil) - else if Int.ltu n Int.iwordsize then (Oshlimm n, r1 :: nil) - else (Oshl, r1 :: r2 :: nil). - -Definition make_shrimm (n: int) (r1 r2: reg) := - if Int.eq n Int.zero then (Omove, r1 :: nil) - else if Int.ltu n Int.iwordsize then (Oshrimm n, r1 :: nil) - else (Oshr, r1 :: r2 :: nil). - -Definition make_shruimm (n: int) (r1 r2: reg) := - if Int.eq n Int.zero then (Omove, r1 :: nil) - else if Int.ltu n Int.iwordsize then (Oshruimm n, r1 :: nil) - else (Oshru, r1 :: r2 :: nil). - -Definition make_mulimm (n: int) (r1 r2: reg) := - if Int.eq n Int.zero then - (Ointconst Int.zero, nil) - else if Int.eq n Int.one then - (Omove, r1 :: nil) - else - match Int.is_power2 n with - | Some l => (Oshlimm l, r1 :: nil) - | None => (Omul, r1 :: r2 :: nil) - end. - -Definition make_andimm (n: int) (r: reg) (a: aval) := - if Int.eq n Int.zero then (Ointconst Int.zero, nil) - else if Int.eq n Int.mone then (Omove, r :: nil) - else if match a with Uns _ m => Int.eq (Int.zero_ext m (Int.not n)) Int.zero - | _ => false end - then (Omove, r :: nil) - else (Oandimm n, r :: nil). - -Definition make_orimm (n: int) (r: reg) := - if Int.eq n Int.zero then (Omove, r :: nil) - else if Int.eq n Int.mone then (Ointconst Int.mone, nil) - else (Oorimm n, r :: nil). - -Definition make_xorimm (n: int) (r: reg) := - if Int.eq n Int.zero then (Omove, r :: nil) - else (Oxorimm n, r :: nil). - -Definition make_divimm n (r1 r2: reg) := - if Int.eq n Int.one then - (Omove, r1 :: nil) - else - match Int.is_power2 n with - | Some l => if Int.ltu l (Int.repr 31) - then (Oshrximm l, r1 :: nil) - else (Odiv, r1 :: r2 :: nil) - | None => (Odiv, r1 :: r2 :: nil) - end. - -Definition make_divuimm n (r1 r2: reg) := - if Int.eq n Int.one then - (Omove, r1 :: nil) - else - match Int.is_power2 n with - | Some l => (Oshruimm l, r1 :: nil) - | None => (Odivu, r1 :: r2 :: nil) - end. - -Definition make_moduimm n (r1 r2: reg) := - match Int.is_power2 n with - | Some l => (Oandimm (Int.sub n Int.one), r1 :: nil) - | None => (Omodu, r1 :: r2 :: nil) - end. - -Definition make_addlimm (n: int64) (r: reg) := - if Int64.eq n Int64.zero - then (Omove, r :: nil) - else (Oaddlimm n, r :: nil). - -Definition make_shllimm (n: int) (r1 r2: reg) := - if Int.eq n Int.zero then (Omove, r1 :: nil) - else if Int.ltu n Int64.iwordsize' then (Oshllimm n, r1 :: nil) - else (Oshll, r1 :: r2 :: nil). - -Definition make_shrlimm (n: int) (r1 r2: reg) := - if Int.eq n Int.zero then (Omove, r1 :: nil) - else if Int.ltu n Int64.iwordsize' then (Oshrlimm n, r1 :: nil) - else (Oshrl, r1 :: r2 :: nil). - -Definition make_shrluimm (n: int) (r1 r2: reg) := - if Int.eq n Int.zero then (Omove, r1 :: nil) - else if Int.ltu n Int64.iwordsize' then (Oshrluimm n, r1 :: nil) - else (Oshrlu, r1 :: r2 :: nil). - -Definition make_mullimm (n: int64) (r1 r2: reg) := - if Int64.eq n Int64.zero then - (Olongconst Int64.zero, nil) - else if Int64.eq n Int64.one then - (Omove, r1 :: nil) - else - match Int64.is_power2' n with - | Some l => (Oshllimm l, r1 :: nil) - | None => (Omull, r1 :: r2 :: nil) - end. - -Definition make_andlimm (n: int64) (r: reg) (a: aval) := - if Int64.eq n Int64.zero then (Olongconst Int64.zero, nil) - else if Int64.eq n Int64.mone then (Omove, r :: nil) - else (Oandlimm n, r :: nil). - -Definition make_orlimm (n: int64) (r: reg) := - if Int64.eq n Int64.zero then (Omove, r :: nil) - else if Int64.eq n Int64.mone then (Olongconst Int64.mone, nil) - else (Oorlimm n, r :: nil). - -Definition make_xorlimm (n: int64) (r: reg) := - if Int64.eq n Int64.zero then (Omove, r :: nil) - else (Oxorlimm n, r :: nil). - -Definition make_divlimm n (r1 r2: reg) := - match Int64.is_power2' n with - | Some l => if Int.ltu l (Int.repr 63) - then (Oshrxlimm l, r1 :: nil) - else (Odivl, r1 :: r2 :: nil) - | None => (Odivl, r1 :: r2 :: nil) - end. - -Definition make_divluimm n (r1 r2: reg) := - match Int64.is_power2' n with - | Some l => (Oshrluimm l, r1 :: nil) - | None => (Odivlu, r1 :: r2 :: nil) - end. - -Definition make_modluimm n (r1 r2: reg) := - match Int64.is_power2 n with - | Some l => (Oandlimm (Int64.sub n Int64.one), r1 :: nil) - | None => (Omodlu, r1 :: r2 :: nil) - end. - -Definition make_mulfimm (n: float) (r r1 r2: reg) := - if Float.eq_dec n (Float.of_int (Int.repr 2)) - then (Oaddf, r :: r :: nil) - else (Omulf, r1 :: r2 :: nil). - -Definition make_mulfsimm (n: float32) (r r1 r2: reg) := - if Float32.eq_dec n (Float32.of_int (Int.repr 2)) - then (Oaddfs, r :: r :: nil) - else (Omulfs, r1 :: r2 :: nil). - -Definition make_cast8signed (r: reg) (a: aval) := - if vincl a (Sgn Ptop 8) then (Omove, r :: nil) else (Ocast8signed, r :: nil). -Definition make_cast16signed (r: reg) (a: aval) := - if vincl a (Sgn Ptop 16) then (Omove, r :: nil) else (Ocast16signed, r :: nil). - -(** Original definition: -<< -Nondetfunction op_strength_reduction - (op: operation) (args: list reg) (vl: list aval) := - match op, args, vl with - | Ocast8signed, r1 :: nil, v1 :: nil => make_cast8signed r1 v1 - | Ocast16signed, r1 :: nil, v1 :: nil => make_cast16signed r1 v1 - | Oadd, r1 :: r2 :: nil, I n1 :: v2 :: nil => make_addimm n1 r2 - | Oadd, r1 :: r2 :: nil, v1 :: I n2 :: nil => make_addimm n2 r1 - | Osub, r1 :: r2 :: nil, v1 :: I n2 :: nil => make_addimm (Int.neg n2) r1 - | Omul, r1 :: r2 :: nil, I n1 :: v2 :: nil => make_mulimm n1 r2 r1 - | Omul, r1 :: r2 :: nil, v1 :: I n2 :: nil => make_mulimm n2 r1 r2 - | Odiv, r1 :: r2 :: nil, v1 :: I n2 :: nil => make_divimm n2 r1 r2 - | Odivu, r1 :: r2 :: nil, v1 :: I n2 :: nil => make_divuimm n2 r1 r2 - | Omodu, r1 :: r2 :: nil, v1 :: I n2 :: nil => make_moduimm n2 r1 r2 - | Oand, r1 :: r2 :: nil, I n1 :: v2 :: nil => make_andimm n1 r2 v2 - | Oand, r1 :: r2 :: nil, v1 :: I n2 :: nil => make_andimm n2 r1 v1 - | Oandimm n, r1 :: nil, v1 :: nil => make_andimm n r1 v1 - | Oor, r1 :: r2 :: nil, I n1 :: v2 :: nil => make_orimm n1 r2 - | Oor, r1 :: r2 :: nil, v1 :: I n2 :: nil => make_orimm n2 r1 - | Oxor, r1 :: r2 :: nil, I n1 :: v2 :: nil => make_xorimm n1 r2 - | Oxor, r1 :: r2 :: nil, v1 :: I n2 :: nil => make_xorimm n2 r1 - | Oshl, r1 :: r2 :: nil, v1 :: I n2 :: nil => make_shlimm n2 r1 r2 - | Oshr, r1 :: r2 :: nil, v1 :: I n2 :: nil => make_shrimm n2 r1 r2 - | Oshru, r1 :: r2 :: nil, v1 :: I n2 :: nil => make_shruimm n2 r1 r2 - | Oaddl, r1 :: r2 :: nil, L n1 :: v2 :: nil => make_addlimm n1 r2 - | Oaddl, r1 :: r2 :: nil, v1 :: L n2 :: nil => make_addlimm n2 r1 - | Osubl, r1 :: r2 :: nil, v1 :: L n2 :: nil => make_addlimm (Int64.neg n2) r1 - | Omull, r1 :: r2 :: nil, L n1 :: v2 :: nil => make_mullimm n1 r2 r1 - | Omull, r1 :: r2 :: nil, v1 :: L n2 :: nil => make_mullimm n2 r1 r2 - | Odivl, r1 :: r2 :: nil, v1 :: L n2 :: nil => make_divlimm n2 r1 r2 - | Odivlu, r1 :: r2 :: nil, v1 :: L n2 :: nil => make_divluimm n2 r1 r2 - | Omodlu, r1 :: r2 :: nil, v1 :: L n2 :: nil => make_modluimm n2 r1 r2 - | Oandl, r1 :: r2 :: nil, L n1 :: v2 :: nil => make_andlimm n1 r2 v2 - | Oandl, r1 :: r2 :: nil, v1 :: L n2 :: nil => make_andlimm n2 r1 v1 - | Oandlimm n, r1 :: nil, v1 :: nil => make_andlimm n r1 v1 - | Oorl, r1 :: r2 :: nil, L n1 :: v2 :: nil => make_orlimm n1 r2 - | Oorl, r1 :: r2 :: nil, v1 :: L n2 :: nil => make_orlimm n2 r1 - | Oxorl, r1 :: r2 :: nil, L n1 :: v2 :: nil => make_xorlimm n1 r2 - | Oxorl, r1 :: r2 :: nil, v1 :: L n2 :: nil => make_xorlimm n2 r1 - | Oshll, r1 :: r2 :: nil, v1 :: I n2 :: nil => make_shllimm n2 r1 r2 - | Oshrl, r1 :: r2 :: nil, v1 :: I n2 :: nil => make_shrlimm n2 r1 r2 - | Oshrlu, r1 :: r2 :: nil, v1 :: I n2 :: nil => make_shrluimm n2 r1 r2 - | Ocmp c, args, vl => make_cmp c args vl - | Omulf, r1 :: r2 :: nil, v1 :: F n2 :: nil => make_mulfimm n2 r1 r1 r2 - | Omulf, r1 :: r2 :: nil, F n1 :: v2 :: nil => make_mulfimm n1 r2 r1 r2 - | Omulfs, r1 :: r2 :: nil, v1 :: FS n2 :: nil => make_mulfsimm n2 r1 r1 r2 - | Omulfs, r1 :: r2 :: nil, FS n1 :: v2 :: nil => make_mulfsimm n1 r2 r1 r2 - | _, _, _ => (op, args) - end. ->> -*) - -Inductive op_strength_reduction_cases: forall (op: operation) (args: list reg) (vl: list aval), Type := - | op_strength_reduction_case1: forall r1 v1, op_strength_reduction_cases (Ocast8signed) (r1 :: nil) (v1 :: nil) - | op_strength_reduction_case2: forall r1 v1, op_strength_reduction_cases (Ocast16signed) (r1 :: nil) (v1 :: nil) - | op_strength_reduction_case3: forall r1 r2 n1 v2, op_strength_reduction_cases (Oadd) (r1 :: r2 :: nil) (I n1 :: v2 :: nil) - | op_strength_reduction_case4: forall r1 r2 v1 n2, op_strength_reduction_cases (Oadd) (r1 :: r2 :: nil) (v1 :: I n2 :: nil) - | op_strength_reduction_case5: forall r1 r2 v1 n2, op_strength_reduction_cases (Osub) (r1 :: r2 :: nil) (v1 :: I n2 :: nil) - | op_strength_reduction_case6: forall r1 r2 n1 v2, op_strength_reduction_cases (Omul) (r1 :: r2 :: nil) (I n1 :: v2 :: nil) - | op_strength_reduction_case7: forall r1 r2 v1 n2, op_strength_reduction_cases (Omul) (r1 :: r2 :: nil) (v1 :: I n2 :: nil) - | op_strength_reduction_case8: forall r1 r2 v1 n2, op_strength_reduction_cases (Odiv) (r1 :: r2 :: nil) (v1 :: I n2 :: nil) - | op_strength_reduction_case9: forall r1 r2 v1 n2, op_strength_reduction_cases (Odivu) (r1 :: r2 :: nil) (v1 :: I n2 :: nil) - | op_strength_reduction_case10: forall r1 r2 v1 n2, op_strength_reduction_cases (Omodu) (r1 :: r2 :: nil) (v1 :: I n2 :: nil) - | op_strength_reduction_case11: forall r1 r2 n1 v2, op_strength_reduction_cases (Oand) (r1 :: r2 :: nil) (I n1 :: v2 :: nil) - | op_strength_reduction_case12: forall r1 r2 v1 n2, op_strength_reduction_cases (Oand) (r1 :: r2 :: nil) (v1 :: I n2 :: nil) - | op_strength_reduction_case13: forall n r1 v1, op_strength_reduction_cases (Oandimm n) (r1 :: nil) (v1 :: nil) - | op_strength_reduction_case14: forall r1 r2 n1 v2, op_strength_reduction_cases (Oor) (r1 :: r2 :: nil) (I n1 :: v2 :: nil) - | op_strength_reduction_case15: forall r1 r2 v1 n2, op_strength_reduction_cases (Oor) (r1 :: r2 :: nil) (v1 :: I n2 :: nil) - | op_strength_reduction_case16: forall r1 r2 n1 v2, op_strength_reduction_cases (Oxor) (r1 :: r2 :: nil) (I n1 :: v2 :: nil) - | op_strength_reduction_case17: forall r1 r2 v1 n2, op_strength_reduction_cases (Oxor) (r1 :: r2 :: nil) (v1 :: I n2 :: nil) - | op_strength_reduction_case18: forall r1 r2 v1 n2, op_strength_reduction_cases (Oshl) (r1 :: r2 :: nil) (v1 :: I n2 :: nil) - | op_strength_reduction_case19: forall r1 r2 v1 n2, op_strength_reduction_cases (Oshr) (r1 :: r2 :: nil) (v1 :: I n2 :: nil) - | op_strength_reduction_case20: forall r1 r2 v1 n2, op_strength_reduction_cases (Oshru) (r1 :: r2 :: nil) (v1 :: I n2 :: nil) - | op_strength_reduction_case21: forall r1 r2 n1 v2, op_strength_reduction_cases (Oaddl) (r1 :: r2 :: nil) (L n1 :: v2 :: nil) - | op_strength_reduction_case22: forall r1 r2 v1 n2, op_strength_reduction_cases (Oaddl) (r1 :: r2 :: nil) (v1 :: L n2 :: nil) - | op_strength_reduction_case23: forall r1 r2 v1 n2, op_strength_reduction_cases (Osubl) (r1 :: r2 :: nil) (v1 :: L n2 :: nil) - | op_strength_reduction_case24: forall r1 r2 n1 v2, op_strength_reduction_cases (Omull) (r1 :: r2 :: nil) (L n1 :: v2 :: nil) - | op_strength_reduction_case25: forall r1 r2 v1 n2, op_strength_reduction_cases (Omull) (r1 :: r2 :: nil) (v1 :: L n2 :: nil) - | op_strength_reduction_case26: forall r1 r2 v1 n2, op_strength_reduction_cases (Odivl) (r1 :: r2 :: nil) (v1 :: L n2 :: nil) - | op_strength_reduction_case27: forall r1 r2 v1 n2, op_strength_reduction_cases (Odivlu) (r1 :: r2 :: nil) (v1 :: L n2 :: nil) - | op_strength_reduction_case28: forall r1 r2 v1 n2, op_strength_reduction_cases (Omodlu) (r1 :: r2 :: nil) (v1 :: L n2 :: nil) - | op_strength_reduction_case29: forall r1 r2 n1 v2, op_strength_reduction_cases (Oandl) (r1 :: r2 :: nil) (L n1 :: v2 :: nil) - | op_strength_reduction_case30: forall r1 r2 v1 n2, op_strength_reduction_cases (Oandl) (r1 :: r2 :: nil) (v1 :: L n2 :: nil) - | op_strength_reduction_case31: forall n r1 v1, op_strength_reduction_cases (Oandlimm n) (r1 :: nil) (v1 :: nil) - | op_strength_reduction_case32: forall r1 r2 n1 v2, op_strength_reduction_cases (Oorl) (r1 :: r2 :: nil) (L n1 :: v2 :: nil) - | op_strength_reduction_case33: forall r1 r2 v1 n2, op_strength_reduction_cases (Oorl) (r1 :: r2 :: nil) (v1 :: L n2 :: nil) - | op_strength_reduction_case34: forall r1 r2 n1 v2, op_strength_reduction_cases (Oxorl) (r1 :: r2 :: nil) (L n1 :: v2 :: nil) - | op_strength_reduction_case35: forall r1 r2 v1 n2, op_strength_reduction_cases (Oxorl) (r1 :: r2 :: nil) (v1 :: L n2 :: nil) - | op_strength_reduction_case36: forall r1 r2 v1 n2, op_strength_reduction_cases (Oshll) (r1 :: r2 :: nil) (v1 :: I n2 :: nil) - | op_strength_reduction_case37: forall r1 r2 v1 n2, op_strength_reduction_cases (Oshrl) (r1 :: r2 :: nil) (v1 :: I n2 :: nil) - | op_strength_reduction_case38: forall r1 r2 v1 n2, op_strength_reduction_cases (Oshrlu) (r1 :: r2 :: nil) (v1 :: I n2 :: nil) - | op_strength_reduction_case39: forall c args vl, op_strength_reduction_cases (Ocmp c) (args) (vl) - | op_strength_reduction_case40: forall r1 r2 v1 n2, op_strength_reduction_cases (Omulf) (r1 :: r2 :: nil) (v1 :: F n2 :: nil) - | op_strength_reduction_case41: forall r1 r2 n1 v2, op_strength_reduction_cases (Omulf) (r1 :: r2 :: nil) (F n1 :: v2 :: nil) - | op_strength_reduction_case42: forall r1 r2 v1 n2, op_strength_reduction_cases (Omulfs) (r1 :: r2 :: nil) (v1 :: FS n2 :: nil) - | op_strength_reduction_case43: forall r1 r2 n1 v2, op_strength_reduction_cases (Omulfs) (r1 :: r2 :: nil) (FS n1 :: v2 :: nil) - | op_strength_reduction_default: forall (op: operation) (args: list reg) (vl: list aval), op_strength_reduction_cases op args vl. - -Definition op_strength_reduction_match (op: operation) (args: list reg) (vl: list aval) := - match op as zz1, args as zz2, vl as zz3 return op_strength_reduction_cases zz1 zz2 zz3 with - | Ocast8signed, r1 :: nil, v1 :: nil => op_strength_reduction_case1 r1 v1 - | Ocast16signed, r1 :: nil, v1 :: nil => op_strength_reduction_case2 r1 v1 - | Oadd, r1 :: r2 :: nil, I n1 :: v2 :: nil => op_strength_reduction_case3 r1 r2 n1 v2 - | Oadd, r1 :: r2 :: nil, v1 :: I n2 :: nil => op_strength_reduction_case4 r1 r2 v1 n2 - | Osub, r1 :: r2 :: nil, v1 :: I n2 :: nil => op_strength_reduction_case5 r1 r2 v1 n2 - | Omul, r1 :: r2 :: nil, I n1 :: v2 :: nil => op_strength_reduction_case6 r1 r2 n1 v2 - | Omul, r1 :: r2 :: nil, v1 :: I n2 :: nil => op_strength_reduction_case7 r1 r2 v1 n2 - | Odiv, r1 :: r2 :: nil, v1 :: I n2 :: nil => op_strength_reduction_case8 r1 r2 v1 n2 - | Odivu, r1 :: r2 :: nil, v1 :: I n2 :: nil => op_strength_reduction_case9 r1 r2 v1 n2 - | Omodu, r1 :: r2 :: nil, v1 :: I n2 :: nil => op_strength_reduction_case10 r1 r2 v1 n2 - | Oand, r1 :: r2 :: nil, I n1 :: v2 :: nil => op_strength_reduction_case11 r1 r2 n1 v2 - | Oand, r1 :: r2 :: nil, v1 :: I n2 :: nil => op_strength_reduction_case12 r1 r2 v1 n2 - | Oandimm n, r1 :: nil, v1 :: nil => op_strength_reduction_case13 n r1 v1 - | Oor, r1 :: r2 :: nil, I n1 :: v2 :: nil => op_strength_reduction_case14 r1 r2 n1 v2 - | Oor, r1 :: r2 :: nil, v1 :: I n2 :: nil => op_strength_reduction_case15 r1 r2 v1 n2 - | Oxor, r1 :: r2 :: nil, I n1 :: v2 :: nil => op_strength_reduction_case16 r1 r2 n1 v2 - | Oxor, r1 :: r2 :: nil, v1 :: I n2 :: nil => op_strength_reduction_case17 r1 r2 v1 n2 - | Oshl, r1 :: r2 :: nil, v1 :: I n2 :: nil => op_strength_reduction_case18 r1 r2 v1 n2 - | Oshr, r1 :: r2 :: nil, v1 :: I n2 :: nil => op_strength_reduction_case19 r1 r2 v1 n2 - | Oshru, r1 :: r2 :: nil, v1 :: I n2 :: nil => op_strength_reduction_case20 r1 r2 v1 n2 - | Oaddl, r1 :: r2 :: nil, L n1 :: v2 :: nil => op_strength_reduction_case21 r1 r2 n1 v2 - | Oaddl, r1 :: r2 :: nil, v1 :: L n2 :: nil => op_strength_reduction_case22 r1 r2 v1 n2 - | Osubl, r1 :: r2 :: nil, v1 :: L n2 :: nil => op_strength_reduction_case23 r1 r2 v1 n2 - | Omull, r1 :: r2 :: nil, L n1 :: v2 :: nil => op_strength_reduction_case24 r1 r2 n1 v2 - | Omull, r1 :: r2 :: nil, v1 :: L n2 :: nil => op_strength_reduction_case25 r1 r2 v1 n2 - | Odivl, r1 :: r2 :: nil, v1 :: L n2 :: nil => op_strength_reduction_case26 r1 r2 v1 n2 - | Odivlu, r1 :: r2 :: nil, v1 :: L n2 :: nil => op_strength_reduction_case27 r1 r2 v1 n2 - | Omodlu, r1 :: r2 :: nil, v1 :: L n2 :: nil => op_strength_reduction_case28 r1 r2 v1 n2 - | Oandl, r1 :: r2 :: nil, L n1 :: v2 :: nil => op_strength_reduction_case29 r1 r2 n1 v2 - | Oandl, r1 :: r2 :: nil, v1 :: L n2 :: nil => op_strength_reduction_case30 r1 r2 v1 n2 - | Oandlimm n, r1 :: nil, v1 :: nil => op_strength_reduction_case31 n r1 v1 - | Oorl, r1 :: r2 :: nil, L n1 :: v2 :: nil => op_strength_reduction_case32 r1 r2 n1 v2 - | Oorl, r1 :: r2 :: nil, v1 :: L n2 :: nil => op_strength_reduction_case33 r1 r2 v1 n2 - | Oxorl, r1 :: r2 :: nil, L n1 :: v2 :: nil => op_strength_reduction_case34 r1 r2 n1 v2 - | Oxorl, r1 :: r2 :: nil, v1 :: L n2 :: nil => op_strength_reduction_case35 r1 r2 v1 n2 - | Oshll, r1 :: r2 :: nil, v1 :: I n2 :: nil => op_strength_reduction_case36 r1 r2 v1 n2 - | Oshrl, r1 :: r2 :: nil, v1 :: I n2 :: nil => op_strength_reduction_case37 r1 r2 v1 n2 - | Oshrlu, r1 :: r2 :: nil, v1 :: I n2 :: nil => op_strength_reduction_case38 r1 r2 v1 n2 - | Ocmp c, args, vl => op_strength_reduction_case39 c args vl - | Omulf, r1 :: r2 :: nil, v1 :: F n2 :: nil => op_strength_reduction_case40 r1 r2 v1 n2 - | Omulf, r1 :: r2 :: nil, F n1 :: v2 :: nil => op_strength_reduction_case41 r1 r2 n1 v2 - | Omulfs, r1 :: r2 :: nil, v1 :: FS n2 :: nil => op_strength_reduction_case42 r1 r2 v1 n2 - | Omulfs, r1 :: r2 :: nil, FS n1 :: v2 :: nil => op_strength_reduction_case43 r1 r2 n1 v2 - | op, args, vl => op_strength_reduction_default op args vl - end. - -Definition op_strength_reduction (op: operation) (args: list reg) (vl: list aval) := - match op_strength_reduction_match op args vl with - | op_strength_reduction_case1 r1 v1 => (* Ocast8signed, r1 :: nil, v1 :: nil *) - make_cast8signed r1 v1 - | op_strength_reduction_case2 r1 v1 => (* Ocast16signed, r1 :: nil, v1 :: nil *) - make_cast16signed r1 v1 - | op_strength_reduction_case3 r1 r2 n1 v2 => (* Oadd, r1 :: r2 :: nil, I n1 :: v2 :: nil *) - make_addimm n1 r2 - | op_strength_reduction_case4 r1 r2 v1 n2 => (* Oadd, r1 :: r2 :: nil, v1 :: I n2 :: nil *) - make_addimm n2 r1 - | op_strength_reduction_case5 r1 r2 v1 n2 => (* Osub, r1 :: r2 :: nil, v1 :: I n2 :: nil *) - make_addimm (Int.neg n2) r1 - | op_strength_reduction_case6 r1 r2 n1 v2 => (* Omul, r1 :: r2 :: nil, I n1 :: v2 :: nil *) - make_mulimm n1 r2 r1 - | op_strength_reduction_case7 r1 r2 v1 n2 => (* Omul, r1 :: r2 :: nil, v1 :: I n2 :: nil *) - make_mulimm n2 r1 r2 - | op_strength_reduction_case8 r1 r2 v1 n2 => (* Odiv, r1 :: r2 :: nil, v1 :: I n2 :: nil *) - make_divimm n2 r1 r2 - | op_strength_reduction_case9 r1 r2 v1 n2 => (* Odivu, r1 :: r2 :: nil, v1 :: I n2 :: nil *) - make_divuimm n2 r1 r2 - | op_strength_reduction_case10 r1 r2 v1 n2 => (* Omodu, r1 :: r2 :: nil, v1 :: I n2 :: nil *) - make_moduimm n2 r1 r2 - | op_strength_reduction_case11 r1 r2 n1 v2 => (* Oand, r1 :: r2 :: nil, I n1 :: v2 :: nil *) - make_andimm n1 r2 v2 - | op_strength_reduction_case12 r1 r2 v1 n2 => (* Oand, r1 :: r2 :: nil, v1 :: I n2 :: nil *) - make_andimm n2 r1 v1 - | op_strength_reduction_case13 n r1 v1 => (* Oandimm n, r1 :: nil, v1 :: nil *) - make_andimm n r1 v1 - | op_strength_reduction_case14 r1 r2 n1 v2 => (* Oor, r1 :: r2 :: nil, I n1 :: v2 :: nil *) - make_orimm n1 r2 - | op_strength_reduction_case15 r1 r2 v1 n2 => (* Oor, r1 :: r2 :: nil, v1 :: I n2 :: nil *) - make_orimm n2 r1 - | op_strength_reduction_case16 r1 r2 n1 v2 => (* Oxor, r1 :: r2 :: nil, I n1 :: v2 :: nil *) - make_xorimm n1 r2 - | op_strength_reduction_case17 r1 r2 v1 n2 => (* Oxor, r1 :: r2 :: nil, v1 :: I n2 :: nil *) - make_xorimm n2 r1 - | op_strength_reduction_case18 r1 r2 v1 n2 => (* Oshl, r1 :: r2 :: nil, v1 :: I n2 :: nil *) - make_shlimm n2 r1 r2 - | op_strength_reduction_case19 r1 r2 v1 n2 => (* Oshr, r1 :: r2 :: nil, v1 :: I n2 :: nil *) - make_shrimm n2 r1 r2 - | op_strength_reduction_case20 r1 r2 v1 n2 => (* Oshru, r1 :: r2 :: nil, v1 :: I n2 :: nil *) - make_shruimm n2 r1 r2 - | op_strength_reduction_case21 r1 r2 n1 v2 => (* Oaddl, r1 :: r2 :: nil, L n1 :: v2 :: nil *) - make_addlimm n1 r2 - | op_strength_reduction_case22 r1 r2 v1 n2 => (* Oaddl, r1 :: r2 :: nil, v1 :: L n2 :: nil *) - make_addlimm n2 r1 - | op_strength_reduction_case23 r1 r2 v1 n2 => (* Osubl, r1 :: r2 :: nil, v1 :: L n2 :: nil *) - make_addlimm (Int64.neg n2) r1 - | op_strength_reduction_case24 r1 r2 n1 v2 => (* Omull, r1 :: r2 :: nil, L n1 :: v2 :: nil *) - make_mullimm n1 r2 r1 - | op_strength_reduction_case25 r1 r2 v1 n2 => (* Omull, r1 :: r2 :: nil, v1 :: L n2 :: nil *) - make_mullimm n2 r1 r2 - | op_strength_reduction_case26 r1 r2 v1 n2 => (* Odivl, r1 :: r2 :: nil, v1 :: L n2 :: nil *) - make_divlimm n2 r1 r2 - | op_strength_reduction_case27 r1 r2 v1 n2 => (* Odivlu, r1 :: r2 :: nil, v1 :: L n2 :: nil *) - make_divluimm n2 r1 r2 - | op_strength_reduction_case28 r1 r2 v1 n2 => (* Omodlu, r1 :: r2 :: nil, v1 :: L n2 :: nil *) - make_modluimm n2 r1 r2 - | op_strength_reduction_case29 r1 r2 n1 v2 => (* Oandl, r1 :: r2 :: nil, L n1 :: v2 :: nil *) - make_andlimm n1 r2 v2 - | op_strength_reduction_case30 r1 r2 v1 n2 => (* Oandl, r1 :: r2 :: nil, v1 :: L n2 :: nil *) - make_andlimm n2 r1 v1 - | op_strength_reduction_case31 n r1 v1 => (* Oandlimm n, r1 :: nil, v1 :: nil *) - make_andlimm n r1 v1 - | op_strength_reduction_case32 r1 r2 n1 v2 => (* Oorl, r1 :: r2 :: nil, L n1 :: v2 :: nil *) - make_orlimm n1 r2 - | op_strength_reduction_case33 r1 r2 v1 n2 => (* Oorl, r1 :: r2 :: nil, v1 :: L n2 :: nil *) - make_orlimm n2 r1 - | op_strength_reduction_case34 r1 r2 n1 v2 => (* Oxorl, r1 :: r2 :: nil, L n1 :: v2 :: nil *) - make_xorlimm n1 r2 - | op_strength_reduction_case35 r1 r2 v1 n2 => (* Oxorl, r1 :: r2 :: nil, v1 :: L n2 :: nil *) - make_xorlimm n2 r1 - | op_strength_reduction_case36 r1 r2 v1 n2 => (* Oshll, r1 :: r2 :: nil, v1 :: I n2 :: nil *) - make_shllimm n2 r1 r2 - | op_strength_reduction_case37 r1 r2 v1 n2 => (* Oshrl, r1 :: r2 :: nil, v1 :: I n2 :: nil *) - make_shrlimm n2 r1 r2 - | op_strength_reduction_case38 r1 r2 v1 n2 => (* Oshrlu, r1 :: r2 :: nil, v1 :: I n2 :: nil *) - make_shrluimm n2 r1 r2 - | op_strength_reduction_case39 c args vl => (* Ocmp c, args, vl *) - make_cmp c args vl - | op_strength_reduction_case40 r1 r2 v1 n2 => (* Omulf, r1 :: r2 :: nil, v1 :: F n2 :: nil *) - make_mulfimm n2 r1 r1 r2 - | op_strength_reduction_case41 r1 r2 n1 v2 => (* Omulf, r1 :: r2 :: nil, F n1 :: v2 :: nil *) - make_mulfimm n1 r2 r1 r2 - | op_strength_reduction_case42 r1 r2 v1 n2 => (* Omulfs, r1 :: r2 :: nil, v1 :: FS n2 :: nil *) - make_mulfsimm n2 r1 r1 r2 - | op_strength_reduction_case43 r1 r2 n1 v2 => (* Omulfs, r1 :: r2 :: nil, FS n1 :: v2 :: nil *) - make_mulfsimm n1 r2 r1 r2 - | op_strength_reduction_default op args vl => - (op, args) - end. - - -(** Original definition: -<< -Nondetfunction addr_strength_reduction - (addr: addressing) (args: list reg) (vl: list aval) := - match addr, args, vl with - | Aindexed n, r1 :: nil, Ptr(Gl symb n1) :: nil => - if Archi.pic_code tt - then (addr, args) - else (Aglobal symb (Ptrofs.add n1 n), nil) - | Aindexed n, r1 :: nil, Ptr(Stk n1) :: nil => - (Ainstack (Ptrofs.add n1 n), nil) - | _, _, _ => - (addr, args) - end. ->> -*) - -Inductive addr_strength_reduction_cases: forall (addr: addressing) (args: list reg) (vl: list aval), Type := - | addr_strength_reduction_case1: forall n r1 symb n1, addr_strength_reduction_cases (Aindexed n) (r1 :: nil) (Ptr(Gl symb n1) :: nil) - | addr_strength_reduction_case2: forall n r1 n1, addr_strength_reduction_cases (Aindexed n) (r1 :: nil) (Ptr(Stk n1) :: nil) - | addr_strength_reduction_default: forall (addr: addressing) (args: list reg) (vl: list aval), addr_strength_reduction_cases addr args vl. - -Definition addr_strength_reduction_match (addr: addressing) (args: list reg) (vl: list aval) := - match addr as zz1, args as zz2, vl as zz3 return addr_strength_reduction_cases zz1 zz2 zz3 with - | Aindexed n, r1 :: nil, Ptr(Gl symb n1) :: nil => addr_strength_reduction_case1 n r1 symb n1 - | Aindexed n, r1 :: nil, Ptr(Stk n1) :: nil => addr_strength_reduction_case2 n r1 n1 - | addr, args, vl => addr_strength_reduction_default addr args vl - end. - -Definition addr_strength_reduction (addr: addressing) (args: list reg) (vl: list aval) := - match addr_strength_reduction_match addr args vl with - | addr_strength_reduction_case1 n r1 symb n1 => (* Aindexed n, r1 :: nil, Ptr(Gl symb n1) :: nil *) - if Archi.pic_code tt then (addr, args) else (Aglobal symb (Ptrofs.add n1 n), nil) - | addr_strength_reduction_case2 n r1 n1 => (* Aindexed n, r1 :: nil, Ptr(Stk n1) :: nil *) - (Ainstack (Ptrofs.add n1 n), nil) - | addr_strength_reduction_default addr args vl => - (addr, args) - end. - - diff --git a/mppa_k1c/Machregsaux.ml b/mppa_k1c/Machregsaux.ml index 473e0602..9c4175ed 100644 --- a/mppa_k1c/Machregsaux.ml +++ b/mppa_k1c/Machregsaux.ml @@ -31,3 +31,8 @@ let register_by_name s = Machregs.register_by_name (coqstring_uppercase_ascii_of_camlstring s) let can_reserve_register r = Conventions1.is_callee_save r + +let class_of_type = function + | AST.Tint | AST.Tlong + | AST.Tfloat | AST.Tsingle -> 0 + | AST.Tany32 | AST.Tany64 -> assert false diff --git a/mppa_k1c/Machregsaux.mli b/mppa_k1c/Machregsaux.mli index 9404568d..d7117c21 100644 --- a/mppa_k1c/Machregsaux.mli +++ b/mppa_k1c/Machregsaux.mli @@ -16,3 +16,5 @@ val name_of_register: Machregs.mreg -> string option val register_by_name: string -> Machregs.mreg option val is_scratch_register: string -> bool val can_reserve_register: Machregs.mreg -> bool + +val class_of_type: AST.typ -> int |