6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2024-12-14 11:32:34 +00:00
Code Issues Projects Releases Wiki Activity

Add immediate forms of in/out. Use let to shorten lines

Browse Source 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12895 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2004-04-13 17:19:31 +00:00
parent e47f4ff9f6
commit 440bbc257e
1 changed files with 19 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

26
lib/Target/X86/X86InstrInfo.td
View File

@ -151,7 +151,6 @@ class Im32i8<string n, bits<8> o, Format f> : X86Inst<n, o, f, Mem32, Imm8>;
// Helper for shift instructions
class UsesCL { list<Register> Uses = [CL]; bit printImplicitUsesAfter = 1; }
class PrintImpUsesAfter {bit printImplicitUsesAfter = 1;}
class PrintImpDefsAfter {bit printImplicitDefsAfter = 1;}
//===----------------------------------------------------------------------===//
@ -248,13 +247,26 @@ def REP_STOSD : I<"rep stosd", 0xAB, RawFrm>, REP,
//===----------------------------------------------------------------------===//
// Input/Output Instructions...
//
def IN8 : I<"in", 0xEC, RawFrm>, Imp<[DX],[AL]>, PrintImpUsesAfter, PrintImpDefsAfter; // in AL = I/O address DX
def IN16 : I<"in", 0xED, RawFrm>, Imp<[DX],[AX]>, OpSize, PrintImpUsesAfter, PrintImpDefsAfter; // in AX = I/O address DX
def IN32 : I<"in", 0xED, RawFrm>, Imp<[DX],[EAX]>, PrintImpUsesAfter, PrintImpDefsAfter; // in EAX = I/O address DX
let printImplicitUsesAfter = 1, printImplicitDefsAfter = 1 in {
def IN8rr : I<"in", 0xEC, RawFrm>, Imp<[DX], [AL]>; // AL = in I/O address DX
def IN16rr : I<"in", 0xED, RawFrm>, Imp<[DX], [AX]>, OpSize; // AX = in I/O address DX
def IN32rr : I<"in", 0xED, RawFrm>, Imp<[DX],[EAX]>; // EAX = in I/O address DX
}
def OUT8 : I<"out", 0xEE, RawFrm>, Imp<[DX, AL], []>, PrintImpUsesAfter;
def OUT16 : I<"out", 0xEF, RawFrm>, Imp<[DX, AX], []>, OpSize, PrintImpUsesAfter;
def OUT32 : I<"out", 0xEF, RawFrm>, Imp<[DX, EAX], []>, PrintImpUsesAfter;
let printImplicitDefsBefore = 1 in {
def IN8ri : Ii16<"in", 0xE4, RawFrm>, Imp<[], [AL]>; // AL = in [I/O address]
def IN16ri : Ii16<"in", 0xE5, RawFrm>, Imp<[], [AX]>, OpSize; // AX = in [I/O address]
def IN32ri : Ii16<"in", 0xE5, RawFrm>, Imp<[],[EAX]>; // EAX = in [I/O address]
}
let printImplicitUsesAfter = 1 in {
def OUT8rr : I<"out", 0xEE, RawFrm>, Imp<[DX, AL], []>;
def OUT16rr : I<"out", 0xEF, RawFrm>, Imp<[DX, AX], []>, OpSize;
def OUT32rr : I<"out", 0xEF, RawFrm>, Imp<[DX, EAX], []>;
def OUT8ir : Ii16<"out", 0xE6, RawFrm>, Imp<[AL], []>;
def OUT16ir : Ii16<"out", 0xE7, RawFrm>, Imp<[AX], []>, OpSize;
def OUT32ir : Ii16<"out", 0xE7, RawFrm>, Imp<[EAX], []>;
}
//===----------------------------------------------------------------------===//
// Move Instructions...