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Replace custom fixed endian to raw_ostream emission with EndianStream.

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Less code, clearer and more efficient. No functionality change intended.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239040 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Benjamin Kramer
2015-06-04 15:03:02 +00:00
parent 45edf27ed7
commit 7ec7c7d865
6 changed files with 28 additions and 99 deletions
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30
lib/Target/PowerPC/MCTargetDesc/PPCMCCodeEmitter.cpp
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@@ -22,6 +22,7 @@
#include "llvm/MC/MCInstrInfo.h"
#include "llvm/MC/MCRegisterInfo.h"
#include "llvm/MC/MCSubtargetInfo.h"
#include "llvm/Support/EndianStream.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/raw_ostream.h"
#include "llvm/Target/TargetOpcodes.h"
@@ -116,38 +117,19 @@ public:
switch (Size) {
case 4:
if (IsLittleEndian) {
OS << (char)(Bits);
OS << (char)(Bits >> 8);
OS << (char)(Bits >> 16);
OS << (char)(Bits >> 24);
support::endian::Writer<support::little>(OS).write<uint32_t>(Bits);
} else {
OS << (char)(Bits >> 24);
OS << (char)(Bits >> 16);
OS << (char)(Bits >> 8);
OS << (char)(Bits);
support::endian::Writer<support::big>(OS).write<uint32_t>(Bits);
}
break;
case 8:
// If we emit a pair of instructions, the first one is
// always in the top 32 bits, even on little-endian.
if (IsLittleEndian) {
OS << (char)(Bits >> 32);
OS << (char)(Bits >> 40);
OS << (char)(Bits >> 48);
OS << (char)(Bits >> 56);
OS << (char)(Bits);
OS << (char)(Bits >> 8);
OS << (char)(Bits >> 16);
OS << (char)(Bits >> 24);
uint64_t Swapped = (Bits << 32) | (Bits >> 32);
support::endian::Writer<support::little>(OS).write<uint64_t>(Swapped);
} else {
OS << (char)(Bits >> 56);
OS << (char)(Bits >> 48);
OS << (char)(Bits >> 40);
OS << (char)(Bits >> 32);
OS << (char)(Bits >> 24);
OS << (char)(Bits >> 16);
OS << (char)(Bits >> 8);
OS << (char)(Bits);
support::endian::Writer<support::big>(OS).write<uint64_t>(Bits);
}
break;
default: