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| author | Xavier Leroy <xavier.leroy@inria.fr> | 2016-10-01 17:26:46 +0200 |
|---|---|---|
| committer | Xavier Leroy <xavier.leroy@inria.fr> | 2016-10-01 17:26:46 +0200 |
| commit | 3bef0962079cf971673b4267b0142bd5fe092509 (patch) | |
| tree | 6dd283fa6b8305d960fd08938fbbd09e0940c139 /powerpc/Archi.v | |
| parent | e637d041c5c2ee3a3ed395a7dab6c9101e8eb16c (diff) | |
| download | compcert-3bef0962079cf971673b4267b0142bd5fe092509.tar.gz compcert-3bef0962079cf971673b4267b0142bd5fe092509.zip | |
Support for 64-bit architectures: update the PowerPC port
The PowerPC port remains 32-bit only, no support is added for PPC 64.
This shows how much work is needed to update an existing port a minima.
Diffstat (limited to 'powerpc/Archi.v')
| -rw-r--r-- | powerpc/Archi.v | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/powerpc/Archi.v b/powerpc/Archi.v index 89f53ffd..10dc5534 100644 --- a/powerpc/Archi.v +++ b/powerpc/Archi.v @@ -20,10 +20,19 @@ Require Import ZArith. Require Import Fappli_IEEE. Require Import Fappli_IEEE_bits. +Definition ptr64 := false. + Definition big_endian := true. -Notation align_int64 := 8%Z (only parsing). -Notation align_float64 := 8%Z (only parsing). +Definition align_int64 := 8%Z. +Definition align_float64 := 8%Z. + +Definition splitlong := true. + +Lemma splitlong_ptr32: splitlong = true -> ptr64 = false. +Proof. + unfold splitlong, ptr64; congruence. +Qed. Program Definition default_pl_64 : bool * nan_pl 53 := (false, iter_nat 51 _ xO xH). @@ -39,7 +48,7 @@ Definition choose_binop_pl_32 (s1: bool) (pl1: nan_pl 24) (s2: bool) (pl2: nan_p Definition float_of_single_preserves_sNaN := true. -Global Opaque big_endian +Global Opaque ptr64 big_endian splitlong default_pl_64 choose_binop_pl_64 default_pl_32 choose_binop_pl_32 float_of_single_preserves_sNaN. |