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| author | Joel Jones <joel_k_jones@apple.com> | 2013-02-14 23:18:40 +0000 |
|---|---|---|
| committer | Joel Jones <joel_k_jones@apple.com> | 2013-02-14 23:18:40 +0000 |
| commit | 48e841d41c57712f4d6a94b1123f198bdf0bda7d (patch) | |
| tree | a0aae726441b6bfda2bf71c799dd269581464474 /lib/Target/ARM/ARMInstrNEON.td | |
| parent | d6f19c716378bce0acc3cbfc9dc9297468f046a0 (diff) | |
The ARM NEON vector compare instructions take three arguments. However, the
assembler should also accept a two arg form, as the docuemntation specifies that
the first (destination) register is optional.
This patch uses TwoOperandAliasConstraint to add the two argument form.
It also fixes an 80-column formatting problem in:
test/MC/ARM/neon-bitwise-encoding
<rdar://problem/12909419> Clang rejects ARM NEON assembly instructions
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@175221 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/ARM/ARMInstrNEON.td')
| -rw-r--r-- | lib/Target/ARM/ARMInstrNEON.td | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/lib/Target/ARM/ARMInstrNEON.td b/lib/Target/ARM/ARMInstrNEON.td index 697a8d28c5..901ff64a86 100644 --- a/lib/Target/ARM/ARMInstrNEON.td +++ b/lib/Target/ARM/ARMInstrNEON.td @@ -4264,6 +4264,7 @@ def VCEQfd : N3VD<0,0,0b00,0b1110,0, IIC_VBIND, "vceq", "f32", v2i32, v2f32, def VCEQfq : N3VQ<0,0,0b00,0b1110,0, IIC_VBINQ, "vceq", "f32", v4i32, v4f32, NEONvceq, 1>; +let TwoOperandAliasConstraint = "$Vm = $Vd" in defm VCEQz : N2V_QHS_cmp<0b11, 0b11, 0b01, 0b00010, 0, "vceq", "i", "$Vd, $Vm, #0", NEONvceqz>; @@ -4277,10 +4278,12 @@ def VCGEfd : N3VD<1,0,0b00,0b1110,0, IIC_VBIND, "vcge", "f32", v2i32, v2f32, def VCGEfq : N3VQ<1,0,0b00,0b1110,0, IIC_VBINQ, "vcge", "f32", v4i32, v4f32, NEONvcge, 0>; +let TwoOperandAliasConstraint = "$Vm = $Vd" in { defm VCGEz : N2V_QHS_cmp<0b11, 0b11, 0b01, 0b00001, 0, "vcge", "s", "$Vd, $Vm, #0", NEONvcgez>; defm VCLEz : N2V_QHS_cmp<0b11, 0b11, 0b01, 0b00011, 0, "vcle", "s", "$Vd, $Vm, #0", NEONvclez>; +} // VCGT : Vector Compare Greater Than defm VCGTs : N3V_QHS<0, 0, 0b0011, 0, IIC_VSUBi4D, IIC_VSUBi4D, IIC_VSUBi4Q, @@ -4292,10 +4295,12 @@ def VCGTfd : N3VD<1,0,0b10,0b1110,0, IIC_VBIND, "vcgt", "f32", v2i32, v2f32, def VCGTfq : N3VQ<1,0,0b10,0b1110,0, IIC_VBINQ, "vcgt", "f32", v4i32, v4f32, NEONvcgt, 0>; +let TwoOperandAliasConstraint = "$Vm = $Vd" in { defm VCGTz : N2V_QHS_cmp<0b11, 0b11, 0b01, 0b00000, 0, "vcgt", "s", "$Vd, $Vm, #0", NEONvcgtz>; defm VCLTz : N2V_QHS_cmp<0b11, 0b11, 0b01, 0b00100, 0, "vclt", "s", "$Vd, $Vm, #0", NEONvcltz>; +} // VACGE : Vector Absolute Compare Greater Than or Equal (aka VCAGE) def VACGEd : N3VDInt<1, 0, 0b00, 0b1110, 1, N3RegFrm, IIC_VBIND, "vacge", |