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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_roundPackToI32.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_roundPackToI32.c')
-rwxr-xr-x | softfloat/s_roundPackToI32.c | 48 |
1 files changed, 0 insertions, 48 deletions
diff --git a/softfloat/s_roundPackToI32.c b/softfloat/s_roundPackToI32.c deleted file mode 100755 index 1c91497..0000000 --- a/softfloat/s_roundPackToI32.c +++ /dev/null @@ -1,48 +0,0 @@ - -#include <stdbool.h> -#include <stdint.h> -#include "platform.h" -#include "internals.h" -#include "softfloat.h" - -int_fast32_t - softfloat_roundPackToI32( - bool sign, uint_fast64_t sig, int_fast8_t roundingMode, bool exact ) -{ - bool roundNearestEven; - int roundIncrement, roundBits; - uint_fast32_t sig32; - union { uint32_t ui; int32_t i; } uZ; - int_fast32_t z; - - roundNearestEven = ( roundingMode == softfloat_round_nearest_even ); - roundIncrement = 0x40; - if ( - ! roundNearestEven - && ( roundingMode != softfloat_round_nearest_maxMag ) - ) { - roundIncrement = - ( roundingMode == softfloat_round_minMag ) - || ( roundingMode - == ( sign ? softfloat_round_max : softfloat_round_min ) ) - ? 0 - : 0x7F; - } - roundBits = sig & 0x7F; - sig += roundIncrement; - if ( sig & UINT64_C( 0xFFFFFF8000000000 ) ) goto invalid; - sig32 = sig>>7; - sig32 &= ~ ( ! ( roundBits ^ 0x40 ) & roundNearestEven ); - uZ.ui = sign ? - sig32 : sig32; - z = uZ.i; - if ( z && ( ( z < 0 ) ^ sign ) ) goto invalid; - if ( exact && roundBits ) { - softfloat_exceptionFlags |= softfloat_flag_inexact; - } - return z; - invalid: - softfloat_raiseFlags( softfloat_flag_invalid ); - return sign ? -0x7FFFFFFF - 1 : 0x7FFFFFFF; - -} - |