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move in/out aliases to the .td files.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118348 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2010-11-06 18:52:40 +00:00
parent 9c1dbc69d7
commit 7e925cc3c9
2 changed files with 16 additions and 16 deletions
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16
lib/Target/X86/AsmParser/X86AsmParser.cpp
View File

@ -797,22 +797,6 @@ ParseInstruction(StringRef Name, SMLoc NameLoc,
Operands.push_back(X86Operand::CreateReg(Reg, Loc, Loc));
}
// FIXME: Hack to handle recognize "out[bwl] <op>". Canonicalize it to
// "outb %al, <op>".
if ((Name == "outb" || Name == "outw" || Name == "outl") &&
Operands.size() == 2) {
unsigned Reg;
if (Name[3] == 'b')
Reg = MatchRegisterName("al");
else if (Name[3] == 'w')
Reg = MatchRegisterName("ax");
else
Reg = MatchRegisterName("eax");
SMLoc Loc = Operands.back()->getEndLoc();
Operands.push_back(X86Operand::CreateReg(Reg, Loc, Loc));
std::swap(Operands[1], Operands[2]);
}
// FIXME: Hack to handle "out[bwl]? %al, (%dx)" -> "outb %al, %dx".
if ((Name == "outb" || Name == "outw" || Name == "outl" || Name == "out") &&
Operands.size() == 3) {

16
lib/Target/X86/X86InstrInfo.td
View File

@ -1388,6 +1388,14 @@ def : InstAlias<"imull $imm, $r", (IMUL32rri8 GR32:$r, GR32:$r, i32i8imm:$imm)>;
def : InstAlias<"imulq $imm, $r",(IMUL64rri32 GR64:$r, GR64:$r,i64i32imm:$imm)>;
def : InstAlias<"imulq $imm, $r", (IMUL64rri8 GR64:$r, GR64:$r, i64i8imm:$imm)>;
// inb %dx -> inb %al, %dx
def : InstAlias<"inb %dx", (IN8rr)>;
def : InstAlias<"inw %dx", (IN16rr)>;
def : InstAlias<"inl %dx", (IN32rr)>;
def : InstAlias<"inb $port", (IN8ri i8imm:$port)>;
def : InstAlias<"inw $port", (IN16rir i8imm:$port)>;
def : InstAlias<"inl $port", (IN32ri i8imm:$port)>;
// jmp and call aliases for lcall and ljmp. jmp $42,$5 -> ljmp
def : InstAlias<"call $seg, $off", (FARCALL32i i32imm:$off, i16imm:$seg)>;
@ -1423,6 +1431,14 @@ def : InstAlias<"movzx $src, $dst", (MOVZX64rr8_Q GR64:$dst, GR8:$src)>;
def : InstAlias<"movzx $src, $dst", (MOVZX64rr16_Q GR64:$dst, GR16:$src)>;
// Note: No GR32->GR64 movzx form.
// outb %dx -> outb %al, %dx
def : InstAlias<"outb %dx", (OUT8rr)>;
def : InstAlias<"outw %dx", (OUT16rr)>;
def : InstAlias<"outl %dx", (OUT32rr)>;
def : InstAlias<"outb $port", (OUT8ir i8imm:$port)>;
def : InstAlias<"outw $port", (OUT16ir i8imm:$port)>;
def : InstAlias<"outl $port", (OUT32ir i8imm:$port)>;
// 'sldt <mem>' can be encoded with either sldtw or sldtq with the same
// effect (both store to a 16-bit mem). Force to sldtw to avoid ambiguity
// errors, since its encoding is the most compact.