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Fix result type of Neon floating-point comparisons against zero.

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The result vector elements are always integers.  Radar 8782191.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122112 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Bob Wilson 2010-12-18 00:04:33 +00:00
parent 3a75b9bc8f
commit 3deb45149a
2 changed files with 21 additions and 2 deletions
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4
lib/Target/ARM/ARMInstrNEON.td
View File

@ -2372,7 +2372,7 @@ multiclass N2V_QHS_cmp<bits<2> op24_23, bits<2> op21_20, bits<2> op17_16,
def v2f32 : N2V<op24_23, op21_20, 0b10, op17_16, op11_7, 0, op4,
(outs DPR:$Vd), (ins DPR:$Vm), NoItinerary,
opc, "f32", asm, "",
[(set DPR:$Vd, (v2f32 (OpNode (v2f32 DPR:$Vm))))]> {
[(set DPR:$Vd, (v2i32 (OpNode (v2f32 DPR:$Vm))))]> {
let Inst{10} = 1; // overwrite F = 1
}
@ -2392,7 +2392,7 @@ multiclass N2V_QHS_cmp<bits<2> op24_23, bits<2> op21_20, bits<2> op17_16,
def v4f32 : N2V<op24_23, op21_20, 0b10, op17_16, op11_7, 1, op4,
(outs QPR:$Vd), (ins QPR:$Vm), NoItinerary,
opc, "f32", asm, "",
[(set QPR:$Vd, (v4f32 (OpNode (v4f32 QPR:$Vm))))]> {
[(set QPR:$Vd, (v4i32 (OpNode (v4f32 QPR:$Vm))))]> {
let Inst{10} = 1; // overwrite F = 1
}
}

19
test/CodeGen/ARM/vcge.ll
View File

@ -182,3 +182,22 @@ define <8 x i8> @vclei8Z(<8 x i8>* %A) nounwind {
%tmp4 = sext <8 x i1> %tmp3 to <8 x i8>
ret <8 x i8> %tmp4
}
; Radar 8782191
; Floating-point comparisons against zero produce results with integer
; elements, not floating-point elements.
define void @test_vclez_fp() nounwind optsize {
;CHECK: test_vclez_fp
;CHECK: vcle.f32
entry:
%0 = fcmp ole <4 x float> undef, zeroinitializer
%1 = sext <4 x i1> %0 to <4 x i16>
%2 = add <4 x i16> %1, zeroinitializer
%3 = shufflevector <4 x i16> %2, <4 x i16> undef, <8 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7>
%4 = add <8 x i16> %3, <i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1>
%5 = trunc <8 x i16> %4 to <8 x i8>
tail call void @llvm.arm.neon.vst1.v8i8(i8* undef, <8 x i8> %5, i32 1)
unreachable
}
declare void @llvm.arm.neon.vst1.v8i8(i8*, <8 x i8>, i32) nounwind