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Empty "case" clauses that fall through to the "default" should be omitted (#5353)

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* Empty "case" clauses that fall through to the "default" should be omitted

* default throw exception

* format
This commit is contained in:
Marco Carvalho 2023-06-24 09:06:58 -03:00 committed by GitHub
parent fffc3ed193
commit bc392e55df
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 43 additions and 11 deletions
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54
src/ARMeilleure/Instructions/SoftFloat.cs
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@ -228,7 +228,6 @@ namespace ARMeilleure.Instructions
switch (context.Fpcr.GetRoundingMode()) switch (context.Fpcr.GetRoundingMode())
{ {
default:
case FPRoundingMode.ToNearest: case FPRoundingMode.ToNearest:
roundUp = (error > 0.5d || (error == 0.5d && (intMant & 1u) == 1u)); roundUp = (error > 0.5d || (error == 0.5d && (intMant & 1u) == 1u));
overflowToInf = true; overflowToInf = true;
@ -248,6 +247,9 @@ namespace ARMeilleure.Instructions
roundUp = false; roundUp = false;
overflowToInf = false; overflowToInf = false;
break; break;
default:
throw new ArgumentException($"Invalid rounding mode \"{context.Fpcr.GetRoundingMode()}\".");
} }
if (roundUp) if (roundUp)
@ -412,7 +414,6 @@ namespace ARMeilleure.Instructions
switch (context.Fpcr.GetRoundingMode()) switch (context.Fpcr.GetRoundingMode())
{ {
default:
case FPRoundingMode.ToNearest: case FPRoundingMode.ToNearest:
roundUp = (error > 0.5d || (error == 0.5d && (intMant & 1u) == 1u)); roundUp = (error > 0.5d || (error == 0.5d && (intMant & 1u) == 1u));
overflowToInf = true; overflowToInf = true;
@ -432,6 +433,9 @@ namespace ARMeilleure.Instructions
roundUp = false; roundUp = false;
overflowToInf = false; overflowToInf = false;
break; break;
default:
throw new ArgumentException($"Invalid rounding mode \"{context.Fpcr.GetRoundingMode()}\".");
} }
if (roundUp) if (roundUp)
@ -585,7 +589,6 @@ namespace ARMeilleure.Instructions
switch (context.Fpcr.GetRoundingMode()) switch (context.Fpcr.GetRoundingMode())
{ {
default:
case FPRoundingMode.ToNearest: case FPRoundingMode.ToNearest:
roundUp = (error > 0.5d || (error == 0.5d && (intMant & 1u) == 1u)); roundUp = (error > 0.5d || (error == 0.5d && (intMant & 1u) == 1u));
overflowToInf = true; overflowToInf = true;
@ -605,6 +608,9 @@ namespace ARMeilleure.Instructions
roundUp = false; roundUp = false;
overflowToInf = false; overflowToInf = false;
break; break;
default:
throw new ArgumentException($"Invalid rounding mode \"{context.Fpcr.GetRoundingMode()}\".");
} }
if (roundUp) if (roundUp)
@ -1433,11 +1439,24 @@ namespace ARMeilleure.Instructions
switch (fpcr.GetRoundingMode()) switch (fpcr.GetRoundingMode())
{ {
case FPRoundingMode.ToNearest:
overflowToInf = true;
break;
case FPRoundingMode.TowardsPlusInfinity:
overflowToInf = !sign;
break;
case FPRoundingMode.TowardsMinusInfinity:
overflowToInf = sign;
break;
case FPRoundingMode.TowardsZero:
overflowToInf = false;
break;
default: default:
case FPRoundingMode.ToNearest: overflowToInf = true; break; throw new ArgumentException($"Invalid rounding mode \"{fpcr.GetRoundingMode()}\".");
case FPRoundingMode.TowardsPlusInfinity: overflowToInf = !sign; break;
case FPRoundingMode.TowardsMinusInfinity: overflowToInf = sign; break;
case FPRoundingMode.TowardsZero: overflowToInf = false; break;
} }
result = overflowToInf ? FPInfinity(sign) : FPMaxNormal(sign); result = overflowToInf ? FPInfinity(sign) : FPMaxNormal(sign);
@ -2845,11 +2864,24 @@ namespace ARMeilleure.Instructions
switch (fpcr.GetRoundingMode()) switch (fpcr.GetRoundingMode())
{ {
case FPRoundingMode.ToNearest:
overflowToInf = true;
break;
case FPRoundingMode.TowardsPlusInfinity:
overflowToInf = !sign;
break;
case FPRoundingMode.TowardsMinusInfinity:
overflowToInf = sign;
break;
case FPRoundingMode.TowardsZero:
overflowToInf = false;
break;
default: default:
case FPRoundingMode.ToNearest: overflowToInf = true; break; throw new ArgumentException($"Invalid rounding mode \"{fpcr.GetRoundingMode()}\".");
case FPRoundingMode.TowardsPlusInfinity: overflowToInf = !sign; break;
case FPRoundingMode.TowardsMinusInfinity: overflowToInf = sign; break;
case FPRoundingMode.TowardsZero: overflowToInf = false; break;
} }
result = overflowToInf ? FPInfinity(sign) : FPMaxNormal(sign); result = overflowToInf ? FPInfinity(sign) : FPMaxNormal(sign);