add static lifetime to constexpr values to force compile time evaluation where possible

Signed-off-by: arades79 <scravers@protonmail.com>
This commit is contained in:
arades79
2023-02-11 13:28:03 -05:00
parent 5f5a6e4b2e
commit 45e13b03f3
101 changed files with 309 additions and 303 deletions

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@@ -39,7 +39,7 @@ void EmitIAdd32(EmitContext& ctx, IR::Inst& inst, std::string_view a, std::strin
// which may be overwritten by the result of the addition
if (IR::Inst * overflow{inst.GetAssociatedPseudoOperation(IR::Opcode::GetOverflowFromOp)}) {
// https://stackoverflow.com/questions/55468823/how-to-detect-integer-overflow-in-c
constexpr u32 s32_max{static_cast<u32>(std::numeric_limits<s32>::max())};
constexpr static u32 s32_max{static_cast<u32>(std::numeric_limits<s32>::max())};
const auto sub_a{fmt::format("{}u-{}", s32_max, a)};
const auto positive_result{fmt::format("int({})>int({})", b, sub_a)};
const auto negative_result{fmt::format("int({})<int({})", b, sub_a)};

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@@ -42,7 +42,7 @@ Id EmitIAdd32(EmitContext& ctx, IR::Inst* inst, Id a, Id b) {
SetSignFlag(ctx, inst, result);
if (IR::Inst * overflow{inst->GetAssociatedPseudoOperation(IR::Opcode::GetOverflowFromOp)}) {
// https://stackoverflow.com/questions/55468823/how-to-detect-integer-overflow-in-c
constexpr u32 s32_max{static_cast<u32>(std::numeric_limits<s32>::max())};
constexpr static u32 s32_max{static_cast<u32>(std::numeric_limits<s32>::max())};
const Id is_positive{ctx.OpSGreaterThanEqual(ctx.U1, a, ctx.u32_zero_value)};
const Id sub_a{ctx.OpISub(ctx.U32[1], ctx.Const(s32_max), a)};

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@@ -48,7 +48,7 @@ void F2F(TranslatorVisitor& v, u64 insn, const IR::F16F32F64& src_a, bool abs) {
BitField<8, 2, FloatFormat> dst_size;
[[nodiscard]] RoundingOp RoundingOperation() const {
constexpr u64 rounding_mask = 0x0B;
constexpr static u64 rounding_mask = 0x0B;
return static_cast<RoundingOp>(rounding_op.Value() & rounding_mask);
}
} const f2f{insn};

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@@ -176,11 +176,11 @@ void TranslateF2I(TranslatorVisitor& v, u64 insn, const IR::F16F32F64& src_a) {
(f2i.src_format == SrcFormat::F64) != (f2i.dest_format == DestFormat::I64);
if (special_nan_cases) {
if (f2i.dest_format == DestFormat::I32) {
constexpr u32 nan_value = 0x8000'0000U;
constexpr static u32 nan_value = 0x8000'0000U;
handled_special_case = true;
result = IR::U32{v.ir.Select(v.ir.FPIsNan(op_a), v.ir.Imm32(nan_value), result)};
} else if (f2i.dest_format == DestFormat::I64) {
constexpr u64 nan_value = 0x8000'0000'0000'0000ULL;
constexpr static u64 nan_value = 0x8000'0000'0000'0000ULL;
handled_special_case = true;
result = IR::U64{v.ir.Select(v.ir.FPIsNan(op_a), v.ir.Imm64(nan_value), result)};
}

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@@ -19,7 +19,7 @@ enum class Half : u64 {
};
[[nodiscard]] IR::U32 IntegerHalf(IR::IREmitter& ir, const IR::U32& value, Half half) {
constexpr bool is_signed{false};
constexpr static bool is_signed{false};
switch (half) {
case Half::All:
return value;