forked from OSchip/llvm-project
[AVR] Make helper functions static. NFC.
This commit is contained in:
Benjamin Kramer
parent
5087ace651
commit
caef4a81c9
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@ -34,8 +34,9 @@ namespace adjust {
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using namespace llvm;
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void signed_width(unsigned Width, uint64_t Value, std::string Description,
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const MCFixup &Fixup, MCContext *Ctx = nullptr) {
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static void signed_width(unsigned Width, uint64_t Value,
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std::string Description, const MCFixup &Fixup,
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MCContext *Ctx = nullptr) {
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if (!isIntN(Width, Value)) {
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std::string Diagnostic = "out of range " + Description;
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@ -53,8 +54,9 @@ void signed_width(unsigned Width, uint64_t Value, std::string Description,
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}
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}
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void unsigned_width(unsigned Width, uint64_t Value, std::string Description,
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const MCFixup &Fixup, MCContext *Ctx = nullptr) {
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static void unsigned_width(unsigned Width, uint64_t Value,
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std::string Description, const MCFixup &Fixup,
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MCContext *Ctx = nullptr) {
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if (!isUIntN(Width, Value)) {
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std::string Diagnostic = "out of range " + Description;
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@ -72,8 +74,8 @@ void unsigned_width(unsigned Width, uint64_t Value, std::string Description,
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}
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/// Adjusts the value of a branch target before fixup application.
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void adjustBranch(unsigned Size, const MCFixup &Fixup, uint64_t &Value,
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MCContext *Ctx = nullptr) {
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static void adjustBranch(unsigned Size, const MCFixup &Fixup, uint64_t &Value,
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MCContext *Ctx = nullptr) {
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// We have one extra bit of precision because the value is rightshifted by
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// one.
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unsigned_width(Size + 1, Value, std::string("branch target"), Fixup, Ctx);
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@ -83,8 +85,8 @@ void adjustBranch(unsigned Size, const MCFixup &Fixup, uint64_t &Value,
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}
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/// Adjusts the value of a relative branch target before fixup application.
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void adjustRelativeBranch(unsigned Size, const MCFixup &Fixup, uint64_t &Value,
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MCContext *Ctx = nullptr) {
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static void adjustRelativeBranch(unsigned Size, const MCFixup &Fixup,
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uint64_t &Value, MCContext *Ctx = nullptr) {
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// We have one extra bit of precision because the value is rightshifted by
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// one.
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signed_width(Size + 1, Value, std::string("branch target"), Fixup, Ctx);
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@ -101,8 +103,8 @@ void adjustRelativeBranch(unsigned Size, const MCFixup &Fixup, uint64_t &Value,
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/// 1001 kkkk 010k kkkk kkkk kkkk 111k kkkk
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///
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/// Offset of 0 (so the result is left shifted by 3 bits before application).
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void fixup_call(unsigned Size, const MCFixup &Fixup, uint64_t &Value,
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MCContext *Ctx = nullptr) {
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static void fixup_call(unsigned Size, const MCFixup &Fixup, uint64_t &Value,
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MCContext *Ctx = nullptr) {
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adjustBranch(Size, Fixup, Value, Ctx);
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auto top = Value & (0xf00000 << 6); // the top four bits
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@ -117,8 +119,8 @@ void fixup_call(unsigned Size, const MCFixup &Fixup, uint64_t &Value,
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/// Resolves to:
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/// 0000 00kk kkkk k000
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/// Offset of 0 (so the result is left shifted by 3 bits before application).
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void fixup_7_pcrel(unsigned Size, const MCFixup &Fixup, uint64_t &Value,
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MCContext *Ctx = nullptr) {
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static void fixup_7_pcrel(unsigned Size, const MCFixup &Fixup, uint64_t &Value,
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MCContext *Ctx = nullptr) {
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adjustRelativeBranch(Size, Fixup, Value, Ctx);
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// Because the value may be negative, we must mask out the sign bits
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@ -131,8 +133,8 @@ void fixup_7_pcrel(unsigned Size, const MCFixup &Fixup, uint64_t &Value,
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/// Resolves to:
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/// 0000 kkkk kkkk kkkk
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/// Offset of 0 (so the result isn't left-shifted before application).
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void fixup_13_pcrel(unsigned Size, const MCFixup &Fixup, uint64_t &Value,
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MCContext *Ctx = nullptr) {
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static void fixup_13_pcrel(unsigned Size, const MCFixup &Fixup, uint64_t &Value,
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MCContext *Ctx = nullptr) {
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adjustRelativeBranch(Size, Fixup, Value, Ctx);
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// Because the value may be negative, we must mask out the sign bits
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@ -144,8 +146,8 @@ void fixup_13_pcrel(unsigned Size, const MCFixup &Fixup, uint64_t &Value,
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///
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/// Resolves to:
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/// 0000 0000 kk00 kkkk
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void fixup_6_adiw(const MCFixup &Fixup, uint64_t &Value,
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MCContext *Ctx = nullptr) {
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static void fixup_6_adiw(const MCFixup &Fixup, uint64_t &Value,
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MCContext *Ctx = nullptr) {
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unsigned_width(6, Value, std::string("immediate"), Fixup, Ctx);
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Value = ((Value & 0x30) << 2) | (Value & 0x0f);
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@ -155,8 +157,8 @@ void fixup_6_adiw(const MCFixup &Fixup, uint64_t &Value,
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///
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/// Resolves to:
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/// 0000 0000 AAAA A000
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void fixup_port5(const MCFixup &Fixup, uint64_t &Value,
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MCContext *Ctx = nullptr) {
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static void fixup_port5(const MCFixup &Fixup, uint64_t &Value,
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MCContext *Ctx = nullptr) {
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unsigned_width(5, Value, std::string("port number"), Fixup, Ctx);
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Value &= 0x1f;
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@ -168,8 +170,8 @@ void fixup_port5(const MCFixup &Fixup, uint64_t &Value,
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///
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/// Resolves to:
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/// 1011 0AAd dddd AAAA
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void fixup_port6(const MCFixup &Fixup, uint64_t &Value,
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MCContext *Ctx = nullptr) {
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static void fixup_port6(const MCFixup &Fixup, uint64_t &Value,
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MCContext *Ctx = nullptr) {
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unsigned_width(6, Value, std::string("port number"), Fixup, Ctx);
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Value = ((Value & 0x30) << 5) | (Value & 0x0f);
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@ -177,9 +179,7 @@ void fixup_port6(const MCFixup &Fixup, uint64_t &Value,
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/// Adjusts a program memory address.
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/// This is a simple right-shift.
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void pm(uint64_t &Value) {
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Value >>= 1;
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}
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static void pm(uint64_t &Value) { Value >>= 1; }
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/// Fixups relating to the LDI instruction.
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namespace ldi {
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@ -189,36 +189,36 @@ namespace ldi {
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/// Resolves to:
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/// 0000 KKKK 0000 KKKK
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/// Offset of 0 (so the result isn't left-shifted before application).
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void fixup(unsigned Size, const MCFixup &Fixup, uint64_t &Value,
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MCContext *Ctx = nullptr) {
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static void fixup(unsigned Size, const MCFixup &Fixup, uint64_t &Value,
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MCContext *Ctx = nullptr) {
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uint64_t upper = Value & 0xf0;
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uint64_t lower = Value & 0x0f;
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Value = (upper << 4) | lower;
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}
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void neg(uint64_t &Value) { Value *= -1; }
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static void neg(uint64_t &Value) { Value *= -1; }
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void lo8(unsigned Size, const MCFixup &Fixup, uint64_t &Value,
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MCContext *Ctx = nullptr) {
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static void lo8(unsigned Size, const MCFixup &Fixup, uint64_t &Value,
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MCContext *Ctx = nullptr) {
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Value &= 0xff;
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ldi::fixup(Size, Fixup, Value, Ctx);
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}
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void hi8(unsigned Size, const MCFixup &Fixup, uint64_t &Value,
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MCContext *Ctx = nullptr) {
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static void hi8(unsigned Size, const MCFixup &Fixup, uint64_t &Value,
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MCContext *Ctx = nullptr) {
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Value = (Value & 0xff00) >> 8;
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ldi::fixup(Size, Fixup, Value, Ctx);
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}
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void hh8(unsigned Size, const MCFixup &Fixup, uint64_t &Value,
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MCContext *Ctx = nullptr) {
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static void hh8(unsigned Size, const MCFixup &Fixup, uint64_t &Value,
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MCContext *Ctx = nullptr) {
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Value = (Value & 0xff0000) >> 16;
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ldi::fixup(Size, Fixup, Value, Ctx);
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}
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void ms8(unsigned Size, const MCFixup &Fixup, uint64_t &Value,
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MCContext *Ctx = nullptr) {
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static void ms8(unsigned Size, const MCFixup &Fixup, uint64_t &Value,
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MCContext *Ctx = nullptr) {
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Value = (Value & 0xff000000) >> 24;
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ldi::fixup(Size, Fixup, Value, Ctx);
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}
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