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fix some oss-fuzz (#1258)

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* fix oss-fuzz 22107.

* fix oss-fuzz 22112.

* clean up build target.

* fix oss-fuzz 22226.

* fix oss-fuzz 22227.

* fix oss-fuzz 11640.

* fix oss-fuzz 20772.
This commit is contained in:
Chen Huitao
2020-05-16 10:38:16 +08:00
committed by GitHub
parent 94c94cdff0
commit 08240d5453
4 changed files with 28 additions and 22 deletions
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30
qemu/fpu/softfloat.c
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@ -124,7 +124,7 @@ static int32 roundAndPackInt32( flag zSign, uint64_t absZ STATUS_PARAM)
roundIncrement = zSign ? 0x7f : 0;
break;
default:
abort();
float_raise(float_flag_invalid STATUS_VAR);
}
roundBits = absZ & 0x7F;
absZ = ( absZ + roundIncrement )>>7;
@ -175,7 +175,7 @@ static int64 roundAndPackInt64( flag zSign, uint64_t absZ0, uint64_t absZ1 STATU
increment = zSign && absZ1;
break;
default:
abort();
float_raise(float_flag_invalid STATUS_VAR);
}
if ( increment ) {
++absZ0;
@ -229,7 +229,7 @@ static int64 roundAndPackUint64(flag zSign, uint64_t absZ0,
increment = zSign && absZ1;
break;
default:
abort();
float_raise(float_flag_invalid STATUS_VAR);
}
if (increment) {
++absZ0;
@ -382,7 +382,7 @@ static float32 roundAndPackFloat32(flag zSign, int_fast16_t zExp, uint32_t zSig
roundIncrement = zSign ? 0x7f : 0;
break;
default:
abort();
float_raise(float_flag_invalid STATUS_VAR);
break;
}
roundBits = zSig & 0x7F;
@ -567,7 +567,7 @@ static float64 roundAndPackFloat64(flag zSign, int_fast16_t zExp, uint64_t zSig
roundIncrement = zSign ? 0x3ff : 0;
break;
default:
abort();
float_raise(float_flag_invalid STATUS_VAR);
}
roundBits = zSig & 0x3FF;
if ( 0x7FD <= (uint16_t) zExp ) {
@ -751,7 +751,7 @@ static floatx80
roundIncrement = zSign ? roundMask : 0;
break;
default:
abort();
float_raise(float_flag_invalid STATUS_VAR);
}
roundBits = zSig0 & roundMask;
if ( 0x7FFD <= (uint32_t) ( zExp - 1 ) ) {
@ -813,7 +813,7 @@ static floatx80
increment = zSign && zSig1;
break;
default:
abort();
float_raise(float_flag_invalid STATUS_VAR);
}
if ( 0x7FFD <= (uint32_t) ( zExp - 1 ) ) {
if ( ( 0x7FFE < zExp )
@ -858,7 +858,7 @@ static floatx80
increment = zSign && zSig1;
break;
default:
abort();
float_raise(float_flag_invalid STATUS_VAR);
}
if ( increment ) {
++zSig0;
@ -1073,7 +1073,7 @@ static float128
increment = zSign && zSig2;
break;
default:
abort();
float_raise(float_flag_invalid STATUS_VAR);
}
if ( 0x7FFD <= (uint32_t) zExp ) {
if ( ( 0x7FFD < zExp )
@ -1136,7 +1136,7 @@ static float128
increment = zSign && zSig2;
break;
default:
abort();
float_raise(float_flag_invalid STATUS_VAR);
}
}
}
@ -1856,7 +1856,7 @@ float32 float32_round_to_int( float32 a STATUS_PARAM)
}
break;
default:
abort();
float_raise(float_flag_invalid STATUS_VAR);
}
z &= ~ roundBitsMask;
if ( z != float32_val(a) ) STATUS(float_exception_flags) |= float_flag_inexact;
@ -3588,7 +3588,7 @@ float64 float64_round_to_int( float64 a STATUS_PARAM )
}
break;
default:
abort();
float_raise(float_flag_invalid STATUS_VAR);
}
z &= ~ roundBitsMask;
if ( z != float64_val(a) )
@ -4936,7 +4936,7 @@ floatx80 floatx80_round_to_int( floatx80 a STATUS_PARAM )
}
break;
default:
abort();
float_raise(float_flag_invalid STATUS_VAR);
}
z.low &= ~ roundBitsMask;
if ( z.low == 0 ) {
@ -6057,7 +6057,7 @@ float128 float128_round_to_int( float128 a STATUS_PARAM )
}
break;
default:
abort();
float_raise(float_flag_invalid STATUS_VAR);
}
z.low &= ~ roundBitsMask;
}
@ -6121,7 +6121,7 @@ float128 float128_round_to_int( float128 a STATUS_PARAM )
}
break;
default:
abort();
float_raise(float_flag_invalid STATUS_VAR);
}
z.high &= ~ roundBitsMask;
}