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| author | Arnaud Charlet <charlet@adacore.com> | 2019-09-17 07:59:38 +0000 |
|---|---|---|
| committer | Pierre-Marie de Rodat <pmderodat@gcc.gnu.org> | 2019-09-17 07:59:38 +0000 |
| commit | 5387a3f55fedbab8c99677c4021061fbaabec3ff (patch) | |
| tree | 6ca3aee11a6620184bfc81ace12400b32c4bda3e | |
| parent | 1ed19d98def3515e5b2fb9e68be34da4a78a7fdb (diff) | |
| download | gcc-5387a3f55fedbab8c99677c4021061fbaabec3ff.zip gcc-5387a3f55fedbab8c99677c4021061fbaabec3ff.tar.gz gcc-5387a3f55fedbab8c99677c4021061fbaabec3ff.tar.bz2 | |
[Ada] Refine change for bit-packed slices
We use Long_Long_Integer'Size / 2 instead of 4 * 8 to support
specifying a target configuration file where the largest integer is
32 bits instead of 64.
2019-09-17 Arnaud Charlet <charlet@adacore.com>
gcc/ada/
* libgnat/s-bitfie.ads (Val_Bits, Val_Bytes): Define from
Long_Long_Integer'Size.
From-SVN: r275773
| -rw-r--r-- | gcc/ada/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/ada/libgnat/s-bitfie.ads | 8 |
2 files changed, 11 insertions, 2 deletions
diff --git a/gcc/ada/ChangeLog b/gcc/ada/ChangeLog index c44a16d..9193e6f 100644 --- a/gcc/ada/ChangeLog +++ b/gcc/ada/ChangeLog @@ -1,3 +1,8 @@ +2019-09-17 Arnaud Charlet <charlet@adacore.com> + + * libgnat/s-bitfie.ads (Val_Bits, Val_Bytes): Define from + Long_Long_Integer'Size. + 2019-09-17 Javier Miranda <miranda@adacore.com> * exp_ch6.ads (Needs_BIP_Task_Actuals): New subprogram. diff --git a/gcc/ada/libgnat/s-bitfie.ads b/gcc/ada/libgnat/s-bitfie.ads index 1b62b9d..a90605b 100644 --- a/gcc/ada/libgnat/s-bitfie.ads +++ b/gcc/ada/libgnat/s-bitfie.ads @@ -36,9 +36,13 @@ package System.Bitfields is -- Instances of the generic package in System.Bitfield_Utils. So far -- we have just one, which defaults to the natural endianness of the -- machine. We might someday want to support Scalar_Storage_Order. + -- Note: we use Long_Long_Integer'Size / 2 instead of 32 to support + -- specifying a target configuration file where the largest integer is + -- 32 bits instead of 64. + + Val_Bits : constant := Long_Long_Integer'Size / 2; + Val_Bytes : constant := Val_Bits / System.Storage_Unit; - Val_Bytes : constant := 4; - Val_Bits : constant := Val_Bytes * System.Storage_Unit; type Val_2 is mod 2**(Val_Bits * 2) with Alignment => Val_Bytes; pragma Provide_Shift_Operators (Val_2); type Val is mod 2**Val_Bits with Alignment => Val_Bytes; |