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| author | Andrew Waterman <waterman@s144.Millennium.Berkeley.EDU> | 2010-10-15 16:17:53 -0700 |
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| committer | Andrew Waterman <waterman@s144.Millennium.Berkeley.EDU> | 2010-10-15 16:17:53 -0700 |
| commit | ab928baadbfd3316988a3ad5b5d9b84693a8636f (patch) | |
| tree | b464ce729d53aeff072ed2c341b06194e9ea174b /softfloat/s_countLeadingZeros32.c | |
| parent | d3cb781e165427412b299b6034289b8458472790 (diff) | |
| download | riscv-isa-sim-ab928baadbfd3316988a3ad5b5d9b84693a8636f.zip riscv-isa-sim-ab928baadbfd3316988a3ad5b5d9b84693a8636f.tar.gz riscv-isa-sim-ab928baadbfd3316988a3ad5b5d9b84693a8636f.tar.bz2 | |
[sim] made softfloat files C instead of C++
Diffstat (limited to 'softfloat/s_countLeadingZeros32.c')
| -rwxr-xr-x | softfloat/s_countLeadingZeros32.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/softfloat/s_countLeadingZeros32.c b/softfloat/s_countLeadingZeros32.c new file mode 100755 index 0000000..0bd17e1 --- /dev/null +++ b/softfloat/s_countLeadingZeros32.c @@ -0,0 +1,22 @@ + +#include <stdint.h> +#include "primitives.h" + +int softfloat_countLeadingZeros32( uint32_t a ) +{ + int count; + + count = 0; + if ( a < 0x10000 ) { + count = 16; + a <<= 16; + } + if ( a < 0x1000000 ) { + count += 8; + a <<= 8; + } + count += softfloat_countLeadingZeros8[ a>>24 ]; + return count; + +} + |