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[ARMv8] Add some negative tests for the recent VFP/NEON instructions.

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Fix two issues I found while writing these tests.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189341 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Joey Gouly 2013-08-27 11:24:16 +00:00
parent 9dc1842b3f
commit dcfa0f7a40
4 changed files with 115 additions and 5 deletions
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4
lib/Target/ARM/ARMInstrNEON.td
View File

@ -5758,9 +5758,9 @@ multiclass VRINT_FPI<string op, bits<3> op9_7, SDPatternOperator Int> {
}
}
def : InstAlias<!strconcat("vrint", op, ".f32.f32\t$Dd, $Dm"),
def : NEONInstAlias<!strconcat("vrint", op, ".f32.f32\t$Dd, $Dm"),
(!cast<Instruction>(NAME#"D") DPR:$Dd, DPR:$Dm)>;
def : InstAlias<!strconcat("vrint", op, ".f32.f32\t$Qd, $Qm"),
def : NEONInstAlias<!strconcat("vrint", op, ".f32.f32\t$Qd, $Qm"),
(!cast<Instruction>(NAME#"Q") QPR:$Qd, QPR:$Qm)>;
}

5
lib/Target/ARM/ARMInstrVFP.td
View File

@ -669,6 +669,11 @@ multiclass vrint_inst_zrx<string opc, bit op, bit op2> {
let Inst{7} = op2;
let Inst{16} = op;
}
def : InstAlias<!strconcat("vrint", opc, "$p.f32.f32\t$Sd, $Sm"),
(!cast<Instruction>(NAME#"S") SPR:$Sd, SPR:$Sm, pred:$p)>;
def : InstAlias<!strconcat("vrint", opc, "$p.f64.f64\t$Dd, $Dm"),
(!cast<Instruction>(NAME#"D") DPR:$Dd, DPR:$Dm, pred:$p)>;
}
defm VRINTZ : vrint_inst_zrx<"z", 0, 1>;

26
test/MC/ARM/invalid-neon-v8.s Normal file
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@ -0,0 +1,26 @@
@ RUN: not llvm-mc -triple armv8 -mattr=+neon -show-encoding < %s 2>&1 | FileCheck %s
vmaxnm.f32 s4, d5, q1
@ CHECK: error: invalid operand for instruction
vmaxnm.f64.f64 s4, d5, q1
@ CHECK: error: invalid operand for instruction
vmaxnmge.f64.f64 s4, d5, q1
@ CHECK: error: instruction 'vmaxnm' is not predicable, but condition code specified
vcvta.s32.f32 s1, s2
@ CHECK: error: instruction requires: V8FP
vcvtp.u32.f32 s1, d2
@ CHECK: error: invalid operand for instruction
vcvtp.f32.u32 d1, q2
@ CHECK: error: invalid operand for instruction
vcvtplo.f32.u32 s1, s2
@ CHECK: error: instruction 'vcvtp' is not predicable, but condition code specified
vrinta.f64.f64 s3, d12
@ CHECK: error: invalid operand for instruction
vrintn.f32 d3, q12
@ CHECK: error: invalid operand for instruction
vrintz.f32 d3, q12
@ CHECK: error: invalid operand for instruction
vrintmge.f32.f32 d3, d4
@ CHECK: error: instruction 'vrintm' is not predicable, but condition code specified

85
test/MC/ARM/invalid-v8fp.s
View File

@ -1,10 +1,89 @@
@ RUN: not llvm-mc -triple armv7 -show-encoding < %s | FileCheck %s
@ RUN: not llvm-mc -triple armv8 -show-encoding -mattr=+v8fp < %s 2>&1 | FileCheck %s --check-prefix=V8
@ VCVT{B,T}
vcvtt.f64.f16 d3, s1
@ CHECK-NOT: vcvtt.f64.f16 d3, s1 @ encoding: [0xe0,0x3b,0xb2,0xee]
@ V7-NOT: vcvtt.f64.f16 d3, s1 @ encoding: [0xe0,0x3b,0xb2,0xee]
vcvtt.f16.f64 s5, d12
@ CHECK-NOT: vcvtt.f16.f64 s5, d12 @ encoding: [0xcc,0x2b,0xf3,0xee]
@ V7-NOT: vcvtt.f16.f64 s5, d12 @ encoding: [0xcc,0x2b,0xf3,0xee]
vsel.f32 s3, s4, s6
@ V8: error: invalid instruction
vselne.f32 s3, s4, s6
@ V8: error: invalid instruction
vselmi.f32 s3, s4, s6
@ V8: error: invalid instruction
vselpl.f32 s3, s4, s6
@ V8: error: invalid instruction
vselvc.f32 s3, s4, s6
@ V8: error: invalid instruction
vselcs.f32 s3, s4, s6
@ V8: error: invalid instruction
vselcc.f32 s3, s4, s6
@ V8: error: invalid instruction
vselhs.f32 s3, s4, s6
@ V8: error: invalid instruction
vsello.f32 s3, s4, s6
@ V8: error: invalid instruction
vselhi.f32 s3, s4, s6
@ V8: error: invalid instruction
vsells.f32 s3, s4, s6
@ V8: error: invalid instruction
vsellt.f32 s3, s4, s6
@ V8: error: invalid instruction
vselle.f32 s3, s4, s6
@ V8: error: invalid instruction
vseleq.f32 s0, d2, d1
@ V8: error: invalid operand for instruction
vselgt.f64 s3, s2, s1
@ V8: error: invalid operand for instruction
vselgt.f32 s0, q3, q1
@ V8: error: invalid operand for instruction
vselgt.f64 q0, s3, q1
@ V8: error: invalid operand for instruction
vmaxnm.f32 s0, d2, d1
@ V8: error: invalid operand for instruction
vminnm.f64 s3, s2, s1
@ V8: error: invalid operand for instruction
vmaxnm.f32 s0, q3, q1
@ V8: error: invalid operand for instruction
vmaxnm.f64 q0, s3, q1
@ V8: error: invalid operand for instruction
vmaxnmgt.f64 q0, s3, q1
@ CHECK: error: instruction 'vmaxnm' is not predicable, but condition code specified
vcvta.s32.f64 d3, s2
@ V8: error: invalid operand for instruction
vcvtp.s32.f32 d3, s2
@ V8: error: invalid operand for instruction
vcvtn.u32.f64 d3, s2
@ V8: error: invalid operand for instruction
vcvtm.u32.f32 d3, s2
@ V8: error: invalid operand for instruction
vcvtnge.u32.f64 d3, s2
@ V8: error: instruction 'vcvtn' is not predicable, but condition code specified
vcvtbgt.f64.f16 q0, d3
@ V8: error: invalid operand for instruction
vcvttlt.f64.f16 s0, s3
@ V8: error: invalid operand for instruction
vcvttvs.f16.f64 s0, s3
@ V8: error: invalid operand for instruction
vcvtthi.f16.f64 q0, d3
@ V8: error: invalid operand for instruction
vrintrlo.f32.f32 d3, q0
@ V8: error: invalid operand for instruction
vrintxcs.f32.f32 d3, d0
@ V8: error: instruction requires: NEON
vrinta.f64.f64 s3, q0
@ V8: error: invalid operand for instruction
vrintn.f32.f32 d3, d0
@ V8: error: instruction requires: NEON
vrintp.f32 q3, q0
@ V8: error: instruction requires: NEON
vrintmlt.f32 q3, q0
@ V8: error: instruction 'vrintm' is not predicable, but condition code specified