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42 lines
1.6 KiB
Diff
42 lines
1.6 KiB
Diff
From 29b4d8f19e30910c099c5453da258843d6b7869a Mon Sep 17 00:00:00 2001
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From: serge_sans_paille <sguelton@redhat.com>
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Date: Tue, 24 Sep 2019 10:20:08 +0200
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Subject: [PATCH] [AVR] Fix endianness handling in AVR MC
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Differential Revision: https://reviews.llvm.org/D67926
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---
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llvm/lib/Target/AVR/MCTargetDesc/AVRMCCodeEmitter.cpp | 8 +++-----
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1 file changed, 3 insertions(+), 5 deletions(-)
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diff --git a/llvm/lib/Target/AVR/MCTargetDesc/AVRMCCodeEmitter.cpp b/llvm/lib/Target/AVR/MCTargetDesc/AVRMCCodeEmitter.cpp
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index bc048877868..db995e24756 100644
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--- a/llvm/lib/Target/AVR/MCTargetDesc/AVRMCCodeEmitter.cpp
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+++ b/llvm/lib/Target/AVR/MCTargetDesc/AVRMCCodeEmitter.cpp
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@@ -25,6 +25,7 @@
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#include "llvm/MC/MCRegisterInfo.h"
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#include "llvm/MC/MCSubtargetInfo.h"
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#include "llvm/Support/Casting.h"
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+#include "llvm/Support/EndianStream.h"
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#include "llvm/Support/raw_ostream.h"
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#define DEBUG_TYPE "mccodeemitter"
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@@ -268,14 +269,11 @@ unsigned AVRMCCodeEmitter::getMachineOpValue(const MCInst &MI,
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void AVRMCCodeEmitter::emitInstruction(uint64_t Val, unsigned Size,
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const MCSubtargetInfo &STI,
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raw_ostream &OS) const {
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- const uint16_t *Words = reinterpret_cast<uint16_t const *>(&Val);
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size_t WordCount = Size / 2;
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for (int64_t i = WordCount - 1; i >= 0; --i) {
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- uint16_t Word = Words[i];
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-
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- OS << (uint8_t) ((Word & 0x00ff) >> 0);
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- OS << (uint8_t) ((Word & 0xff00) >> 8);
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+ uint16_t Word = (Val >> (i * 16)) & 0xFFFF;
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+ support::endian::write(OS, Word, support::endianness::little);
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}
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}
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--
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2.20.1
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