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author | Andrew Waterman <waterman@s141.Millennium.Berkeley.EDU> | 2011-06-12 20:27:10 -0700 |
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committer | Andrew Waterman <waterman@s141.Millennium.Berkeley.EDU> | 2011-06-12 20:27:10 -0700 |
commit | 740f981cfd55604d46598144dccac26dd53f643c (patch) | |
tree | 4b825dc642cb6eb9a060e54bf8d69288fbee4904 /softfloat/s_addMagsF64.c | |
parent | c0ebf99d6bb3ef3cf252703b50b849bcbaa2ec59 (diff) | |
download | spike-740f981cfd55604d46598144dccac26dd53f643c.zip spike-740f981cfd55604d46598144dccac26dd53f643c.tar.gz spike-740f981cfd55604d46598144dccac26dd53f643c.tar.bz2 |
[sim] renamed to riscv-isa-run
Diffstat (limited to 'softfloat/s_addMagsF64.c')
-rwxr-xr-x | softfloat/s_addMagsF64.c | 77 |
1 files changed, 0 insertions, 77 deletions
diff --git a/softfloat/s_addMagsF64.c b/softfloat/s_addMagsF64.c deleted file mode 100755 index a81c3e4..0000000 --- a/softfloat/s_addMagsF64.c +++ /dev/null @@ -1,77 +0,0 @@ - -#include <stdbool.h> -#include <stdint.h> -#include "platform.h" -#include "primitives.h" -#include "internals.h" -#include "specialize.h" - -float64_t - softfloat_addMagsF64( uint_fast64_t uiA, uint_fast64_t uiB, bool signZ ) -{ - int_fast16_t expA; - uint_fast64_t sigA; - int_fast16_t expB; - uint_fast64_t sigB; - int_fast16_t expDiff; - uint_fast64_t uiZ; - int_fast16_t expZ; - uint_fast64_t sigZ; - union ui64_f64 uZ; - - expA = expF64UI( uiA ); - sigA = fracF64UI( uiA ); - expB = expF64UI( uiB ); - sigB = fracF64UI( uiB ); - expDiff = expA - expB; - sigA <<= 9; - sigB <<= 9; - if ( ! expDiff ) { - if ( expA == 0x7FF ) { - if ( sigA | sigB ) goto propagateNaN; - uiZ = uiA; - goto uiZ; - } - if ( ! expA ) { - uiZ = - packToF64UI( - signZ, 0, ( uiA + uiB ) & UINT64_C( 0x7FFFFFFFFFFFFFFF ) ); - goto uiZ; - } - expZ = expA; - sigZ = UINT64_C( 0x4000000000000000 ) + sigA + sigB; - } else { - if ( expDiff < 0 ) { - if ( expB == 0x7FF ) { - if ( sigB ) goto propagateNaN; - uiZ = packToF64UI( signZ, 0x7FF, 0 ); - goto uiZ; - } - expZ = expB; - sigA += expA ? UINT64_C( 0x2000000000000000 ) : sigA; - sigA = softfloat_shift64RightJam( sigA, - expDiff ); - } else { - if ( expA == 0x7FF ) { - if ( sigA ) goto propagateNaN; - uiZ = uiA; - goto uiZ; - } - expZ = expA; - sigB += expB ? UINT64_C( 0x2000000000000000 ) : sigB; - sigB = softfloat_shift64RightJam( sigB, expDiff ); - } - sigZ = UINT64_C( 0x2000000000000000 ) + sigA + sigB; - if ( sigZ < UINT64_C( 0x4000000000000000 ) ) { - --expZ; - sigZ <<= 1; - } - } - return softfloat_roundPackToF64( signZ, expZ, sigZ ); - propagateNaN: - uiZ = softfloat_propagateNaNF64UI( uiA, uiB ); - uiZ: - uZ.ui = uiZ; - return uZ.f; - -} - |