6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2025-01-12 17:32:19 +00:00
Code Issues Projects Releases Wiki Activity

Fix rdar://8456364 - llvm-mc rejects '%CS'

Browse Source 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114528 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2010-09-22 04:11:10 +00:00
parent 0c289c140e
commit 33d60d5e56
2 changed files with 16 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

21
lib/Target/X86/AsmParser/X86AsmParser.cpp
View File

@ -10,20 +10,21 @@
#include "llvm/Target/TargetAsmParser.h"
#include "X86.h"
#include "X86Subtarget.h"
#include "llvm/ADT/SmallString.h"
#include "llvm/ADT/SmallVector.h"
#include "llvm/ADT/StringSwitch.h"
#include "llvm/ADT/Twine.h"
#include "llvm/Target/TargetRegistry.h"
#include "llvm/Target/TargetAsmParser.h"
#include "llvm/MC/MCStreamer.h"
#include "llvm/MC/MCExpr.h"
#include "llvm/MC/MCInst.h"
#include "llvm/MC/MCParser/MCAsmLexer.h"
#include "llvm/MC/MCParser/MCAsmParser.h"
#include "llvm/MC/MCParser/MCParsedAsmOperand.h"
#include "llvm/ADT/SmallString.h"
#include "llvm/ADT/SmallVector.h"
#include "llvm/ADT/StringExtras.h"
#include "llvm/ADT/StringSwitch.h"
#include "llvm/ADT/Twine.h"
#include "llvm/Support/SourceMgr.h"
#include "llvm/Support/raw_ostream.h"
#include "llvm/Target/TargetRegistry.h"
#include "llvm/Target/TargetAsmParser.h"
using namespace llvm;
namespace {
@ -373,14 +374,18 @@ bool X86ATTAsmParser::ParseRegister(unsigned &RegNo,
// validation later, so maybe there is no need for this here.
RegNo = MatchRegisterName(Tok.getString());
// If the match failed, try the register name as lowercase.
if (RegNo == 0)
RegNo = MatchRegisterName(LowercaseString(Tok.getString()));
// FIXME: This should be done using Requires<In32BitMode> and
// Requires<In64BitMode> so "eiz" usage in 64-bit instructions
// can be also checked.
if (RegNo == X86::RIZ && !Is64Bit)
return Error(Tok.getLoc(), "riz register in 64-bit mode only");
// Parse %st(1) and "%st" as "%st(0)"
if (RegNo == 0 && Tok.getString() == "st") {
// Parse "%st" as "%st(0)" and "%st(1)", which is multiple tokens.
if (RegNo == 0 && (Tok.getString() == "st" || Tok.getString() == "ST")) {
RegNo = X86::ST0;
EndLoc = Tok.getLoc();
Parser.Lex(); // Eat 'st'

3
test/MC/AsmParser/X86/x86_instructions.s
View File

@ -316,3 +316,6 @@ enter $0x7ace,$0x7f
// CHECK: encoding: [0xd9,0x18]
fstp (%eax)
// rdar://8456364
// CHECK: movw %cs, %ax
mov %CS, %ax