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ARM NEON two-operand aliases for VPADD. 

rdar://10602276

llvm-svn: 146895
This commit is contained in:
Jim Grosbach 2011-12-19 19:51:03 +00:00
parent 12aa609fd9
commit 64f4de29e0
2 changed files with 20 additions and 0 deletions
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10
llvm/lib/Target/ARM/ARMInstrNEON.td
View File

@ -5939,6 +5939,16 @@ def : NEONInstAlias<"vmin${p}.u32 $Vdn, $Vm",
def : NEONInstAlias<"vmin${p}.f32 $Vdn, $Vm",
(VMINfq QPR:$Vdn, QPR:$Vdn, QPR:$Vm, pred:$p)>;
// Two-operand variants for VPADD.
def : NEONInstAlias<"vpadd${p}.i8 $Vdn, $Vm",
(VPADDi8 DPR:$Vdn, DPR:$Vdn, DPR:$Vm, pred:$p)>;
def : NEONInstAlias<"vpadd${p}.i16 $Vdn, $Vm",
(VPADDi16 DPR:$Vdn, DPR:$Vdn, DPR:$Vm, pred:$p)>;
def : NEONInstAlias<"vpadd${p}.i32 $Vdn, $Vm",
(VPADDi32 DPR:$Vdn, DPR:$Vdn, DPR:$Vm, pred:$p)>;
def : NEONInstAlias<"vpadd${p}.f32 $Vdn, $Vm",
(VPADDf DPR:$Vdn, DPR:$Vdn, DPR:$Vm, 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

10
llvm/test/MC/ARM/neon-pairwise-encoding.s
View File

@ -8,6 +8,16 @@
vpadd.i32 d16, d17, d16
@ CHECK: vpadd.f32 d16, d16, d17 @ encoding: [0xa1,0x0d,0x40,0xf3]
vpadd.f32 d16, d16, d17
@ CHECK: vpadd.i8 d17, d17, d16 @ encoding: [0xb0,0x1b,0x41,0xf2]
vpadd.i8 d17, d16
@ CHECK: vpadd.i16 d17, d17, d16 @ encoding: [0xb0,0x1b,0x51,0xf2]
vpadd.i16 d17, d16
@ CHECK: vpadd.i32 d17, d17, d16 @ encoding: [0xb0,0x1b,0x61,0xf2]
vpadd.i32 d17, d16
@ CHECK: vpadd.f32 d16, d16, d17 @ encoding: [0xa1,0x0d,0x40,0xf3]
vpadd.f32 d16, d17
@ CHECK: vpaddl.s8 d16, d16 @ encoding: [0x20,0x02,0xf0,0xf3]
vpaddl.s8 d16, d16
@ CHECK: vpaddl.s16 d16, d16 @ encoding: [0x20,0x02,0xf4,0xf3]