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ARM add more 'gas' compatibility aliases for NEON instructions.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146507 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jim Grosbach 2011-12-13 20:08:32 +00:00
parent 1ff33e52c3
commit 485d8bf7e5
3 changed files with 37 additions and 3 deletions
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6
lib/Target/ARM/ARMInstrFormats.td
View File

@ -242,6 +242,12 @@ class VFP3InstAlias<string Asm, dag Result, bit Emit = 0b1>
class NEONInstAlias<string Asm, dag Result, bit Emit = 0b1>
: InstAlias<Asm, Result, Emit>, Requires<[HasNEON]>;
class VFP2MnemonicAlias<string src, string dst> : MnemonicAlias<src, dst>,
Requires<[HasVFP2]>;
class NEONMnemonicAlias<string src, string dst> : MnemonicAlias<src, dst>,
Requires<[HasNEON]>;
//===----------------------------------------------------------------------===//
// ARM Instruction templates.
//

31
lib/Target/ARM/ARMInstrNEON.td
View File

@ -5308,6 +5308,7 @@ def : Pat<(v2f64 (bitconvert (v4f32 QPR:$src))), (v2f64 QPR:$src)>;
//===----------------------------------------------------------------------===//
// Assembler aliases
//
def : VFP2InstAlias<"fmdhr${p} $Dd, $Rn",
(VSETLNi32 DPR:$Dd, GPR:$Rn, 1, pred:$p)>;
def : VFP2InstAlias<"fmdlr${p} $Dd, $Rn",
@ -5706,3 +5707,33 @@ def : NEONInstAlias<"vext${p}.32 $Vdn, $Vm, $imm",
(VEXTq32 QPR:$Vdn, QPR:$Vdn, QPR:$Vm, imm0_3:$imm, pred:$p)>;
def : NEONInstAlias<"vext${p}.64 $Vdn, $Vm, $imm",
(VEXTq64 QPR:$Vdn, QPR:$Vdn, QPR:$Vm, imm0_1:$imm, pred:$p)>;
// 'gas' compatibility aliases for quad-word instructions. Strictly speaking,
// these should restrict to just the Q register variants, but the register
// classes are enough to match correctly regardless, so we keep it simple
// and just use MnemonicAlias.
def : NEONMnemonicAlias<"vbicq", "vbic">;
def : NEONMnemonicAlias<"vandq", "vand">;
def : NEONMnemonicAlias<"veorq", "veor">;
def : NEONMnemonicAlias<"vorrq", "vorr">;
def : NEONMnemonicAlias<"vmovq", "vmov">;
def : NEONMnemonicAlias<"vmvnq", "vmvn">;
def : NEONMnemonicAlias<"vaddq", "vadd">;
def : NEONMnemonicAlias<"vsubq", "vsub">;
def : NEONMnemonicAlias<"vminq", "vmin">;
def : NEONMnemonicAlias<"vmaxq", "vmax">;
def : NEONMnemonicAlias<"vmulq", "vmul">;
def : NEONMnemonicAlias<"vabsq", "vabs">;
def : NEONMnemonicAlias<"vshlq", "vshl">;
def : NEONMnemonicAlias<"vshrq", "vshr">;
def : NEONMnemonicAlias<"vcvtq", "vcvt">;
def : NEONMnemonicAlias<"vcleq", "vcle">;
def : NEONMnemonicAlias<"vceqq", "vceq">;

3
lib/Target/ARM/ARMInstrVFP.td
View File

@ -1160,9 +1160,6 @@ def FCONSTS : VFPAI<(outs SPR:$Sd), (ins vfp_f32imm:$imm),
//===----------------------------------------------------------------------===//
// Assembler aliases.
//
class VFP2MnemonicAlias<string src, string dst> : MnemonicAlias<src, dst>,
Requires<[HasVFP2]>;
// A few mnemnoic aliases for pre-unifixed syntax. We don't guarantee to
// support them all, but supporting at least some of the basics is
// good to be friendly.