diff options
Diffstat (limited to 'thirdparty/zstd/common/bitstream.h')
| -rw-r--r-- | thirdparty/zstd/common/bitstream.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/thirdparty/zstd/common/bitstream.h b/thirdparty/zstd/common/bitstream.h index d955bd677b..7bdb060460 100644 --- a/thirdparty/zstd/common/bitstream.h +++ b/thirdparty/zstd/common/bitstream.h @@ -57,6 +57,8 @@ extern "C" { =========================================*/ #if defined(__BMI__) && defined(__GNUC__) # include <immintrin.h> /* support for bextr (experimental) */ +#elif defined(__ICCARM__) +# include <intrinsics.h> #endif #define STREAM_ACCUMULATOR_MIN_32 25 @@ -163,6 +165,8 @@ MEM_STATIC unsigned BIT_highbit32 (U32 val) return (unsigned) r; # elif defined(__GNUC__) && (__GNUC__ >= 3) /* Use GCC Intrinsic */ return 31 - __builtin_clz (val); +# elif defined(__ICCARM__) /* IAR Intrinsic */ + return 31 - __CLZ(val); # else /* Software version */ static const unsigned DeBruijnClz[32] = { 0, 9, 1, 10, 13, 21, 2, 29, 11, 14, 16, 18, 22, 25, 3, 30, |