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LibWasm: Implement spec-compliant float min/max ops

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This commit is contained in:
Ali Mohammad Pur 2021-06-09 17:12:56 +04:30 • committed by Ali Mohammad Pur
parent ccc79149d4
commit a4c4dd928b
1 changed files with 32 additions and 4 deletions
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36
Userland/Libraries/LibWasm/AbstractMachine/BytecodeInterpreter.cpp
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@ -396,6 +396,34 @@ ALWAYS_INLINE static i32 ctz(T value)
VERIFY_NOT_REACHED();
}
template<typename T>
ALWAYS_INLINE static T float_max(T lhs, T rhs)
{
if (isnan(lhs))
return lhs;
if (isnan(rhs))
return rhs;
if (isinf(lhs))
return lhs > 0 ? lhs : rhs;
if (isinf(rhs))
return rhs > 0 ? rhs : lhs;
return max(lhs, rhs);
}
template<typename T>
ALWAYS_INLINE static T float_min(T lhs, T rhs)
{
if (isnan(lhs))
return lhs;
if (isnan(rhs))
return rhs;
if (isinf(lhs))
return lhs > 0 ? rhs : lhs;
if (isinf(rhs))
return rhs > 0 ? lhs : rhs;
return min(lhs, rhs);
}
void BytecodeInterpreter::interpret(Configuration& configuration, InstructionPointer& ip, Instruction const& instruction)
{
dbgln_if(WASM_TRACE_DEBUG, "Executing instruction {} at ip {}", instruction_name(instruction.opcode()), ip.value());
@ -843,9 +871,9 @@ void BytecodeInterpreter::interpret(Configuration& configuration, InstructionPoi
case Instructions::f32_div.value():
BINARY_NUMERIC_OPERATION(float, /, float);
case Instructions::f32_min.value():
BINARY_PREFIX_NUMERIC_OPERATION(float, min, float);
BINARY_PREFIX_NUMERIC_OPERATION(float, float_min, float);
case Instructions::f32_max.value():
BINARY_PREFIX_NUMERIC_OPERATION(float, max, float);
BINARY_PREFIX_NUMERIC_OPERATION(float, float_max, float);
case Instructions::f32_copysign.value():
BINARY_PREFIX_NUMERIC_OPERATION(float, copysignf, float);
case Instructions::f64_abs.value():
@ -871,9 +899,9 @@ void BytecodeInterpreter::interpret(Configuration& configuration, InstructionPoi
case Instructions::f64_div.value():
BINARY_NUMERIC_OPERATION(double, /, double);
case Instructions::f64_min.value():
BINARY_PREFIX_NUMERIC_OPERATION(double, min, double);
BINARY_PREFIX_NUMERIC_OPERATION(double, float_min, double);
case Instructions::f64_max.value():
BINARY_PREFIX_NUMERIC_OPERATION(double, max, double);
BINARY_PREFIX_NUMERIC_OPERATION(double, float_max, double);
case Instructions::f64_copysign.value():
BINARY_PREFIX_NUMERIC_OPERATION(double, copysign, double);
case Instructions::i32_wrap_i64.value():