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| author | gdkchan <gab.dark.100@gmail.com> | 2019-01-24 23:59:53 -0200 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2019-01-24 23:59:53 -0200 |
| commit | 36b9ab0e48b6893c057a954e1ef3181b452add1c (patch) | |
| tree | 16a4ae56019b55d0cb61f1aa105481933ada733e /ChocolArm64/BitUtils.cs | |
| parent | 72157e03eb09d4fb5d6d004efc2d13d3194e8c90 (diff) | |
Add ARM32 support on the translator (#561)
* Remove ARM32 interpreter and add ARM32 support on the translator
* Nits.
* Rename Cond -> Condition
* Align code again
* Rename Data to Alu
* Enable ARM32 support and handle undefined instructions
* Use the IsThumb method to check if its a thumb opcode
* Remove another 32-bits check
Diffstat (limited to 'ChocolArm64/BitUtils.cs')
| -rw-r--r-- | ChocolArm64/BitUtils.cs | 49 |
1 files changed, 0 insertions, 49 deletions
diff --git a/ChocolArm64/BitUtils.cs b/ChocolArm64/BitUtils.cs deleted file mode 100644 index 881ee248..00000000 --- a/ChocolArm64/BitUtils.cs +++ /dev/null @@ -1,49 +0,0 @@ -namespace ChocolArm64 -{ - static class BitUtils - { - public static int HighestBitSet32(int value) - { - for (int bit = 31; bit >= 0; bit--) - { - if (((value >> bit) & 1) != 0) - { - return bit; - } - } - - return -1; - } - - private static readonly sbyte[] HbsNibbleTbl = { -1, 0, 1, 1, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3 }; - - public static int HighestBitSetNibble(int value) => HbsNibbleTbl[value & 0b1111]; - - public static long Replicate(long bits, int size) - { - long output = 0; - - for (int bit = 0; bit < 64; bit += size) - { - output |= bits << bit; - } - - return output; - } - - public static long FillWithOnes(int bits) - { - return bits == 64 ? -1L : (1L << bits) - 1; - } - - public static long RotateRight(long bits, int shift, int size) - { - return (long)RotateRight((ulong)bits, shift, size); - } - - public static ulong RotateRight(ulong bits, int shift, int size) - { - return (bits >> shift) | (bits << (size - shift)); - } - } -} |
