[llvm] r331134 - [X86] Remove unnecessary InstAliases. NFCI

[Craig Topper via llvm-commits]

Author: ctopper
Date: Sat Apr 28 21:06:02 2018
New Revision: 331134

URL: http://llvm.org/viewvc/llvm-project?rev=331134&view=rev
Log:
[X86] Remove unnecessary InstAliases. NFCI

These used to disambiguate MOV16ms/MOV16sm from other size instructions that no longer exist.

Modified:
    llvm/trunk/lib/Target/X86/X86InstrInfo.td

Modified: llvm/trunk/lib/Target/X86/X86InstrInfo.td
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/X86InstrInfo.td?rev=331134&r1=331133&r2=331134&view=diff
==============================================================================
--- llvm/trunk/lib/Target/X86/X86InstrInfo.td (original)
+++ llvm/trunk/lib/Target/X86/X86InstrInfo.td Sat Apr 28 21:06:02 2018
@@ -3214,12 +3214,6 @@ def : InstAlias<"jmpw\t$seg, $off",  (FA
 def : InstAlias<"calll\t$seg, $off", (FARCALL32i i32imm:$off, i16imm:$seg)>, Requires<[Not64BitMode]>;
 def : InstAlias<"jmpl\t$seg, $off",  (FARJMP32i  i32imm:$off, i16imm:$seg)>, Requires<[Not64BitMode]>;
 
-// Force mov without a suffix with a segment and mem to prefer the 'l' form of
-// the move.  All segment/mem forms are equivalent, this has the shortest
-// encoding.
-def : InstAlias<"mov\t{$mem, $seg|$seg, $mem}", (MOV16sm SEGMENT_REG:$seg, i16mem:$mem), 0>;
-def : InstAlias<"mov\t{$seg, $mem|$mem, $seg}", (MOV16ms i16mem:$mem, SEGMENT_REG:$seg), 0>;
-
 // Match 'movq <largeimm>, <reg>' as an alias for movabsq.
 def : InstAlias<"mov{q}\t{$imm, $reg|$reg, $imm}", (MOV64ri GR64:$reg, i64imm:$imm), 0>;