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Add AVX2 support for vselect of v32i8 

llvm-svn: 144187
This commit is contained in:
Nadav Rotem 2011-11-09 13:21:28 +00:00
parent 6312682b46
commit 79135d844d
3 changed files with 27 additions and 0 deletions
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2
llvm/lib/Target/X86/X86ISelLowering.cpp
View File

@ -1050,6 +1050,8 @@ X86TargetLowering::X86TargetLowering(X86TargetMachine &TM)
setOperationAction(ISD::MUL, MVT::v4i64, Custom);
setOperationAction(ISD::MUL, MVT::v8i32, Legal);
setOperationAction(ISD::MUL, MVT::v16i16, Legal);
setOperationAction(ISD::VSELECT, MVT::v32i8, Legal);
// Don't lower v32i8 because there is no 128-bit byte mul
} else {
setOperationAction(ISD::ADD, MVT::v4i64, Custom);

6
llvm/lib/Target/X86/X86InstrSSE.td
View File

@ -6568,6 +6568,12 @@ let Predicates = [HasAVX] in {
(VBLENDVPDYrr VR256:$src2, VR256:$src1, VR256:$mask)>;
}
let Predicates = [HasAVX2] in {
def : Pat<(v32i8 (vselect (v32i8 VR256:$mask), (v32i8 VR256:$src1),
(v32i8 VR256:$src2))),
(VPBLENDVBYrr VR256:$src2, VR256:$src1, VR256:$mask)>;
}
/// SS41I_ternary_int - SSE 4.1 ternary operator
let Uses = [XMM0], Constraints = "$src1 = $dst" in {
multiclass SS41I_ternary_int<bits<8> opc, string OpcodeStr, Intrinsic IntId> {

19
llvm/test/CodeGen/X86/avx2-logic.ll
View File

@ -1,6 +1,8 @@
; RUN: llc < %s -mtriple=x86_64-apple-darwin -mcpu=core-avx2 -mattr=+avx2 | FileCheck %s
; CHECK: vpandn
; CHECK: vpandn %ymm
; CHECK: ret
define <4 x i64> @vpandn(<4 x i64> %a, <4 x i64> %b) nounwind uwtable readnone ssp {
entry:
; Force the execution domain with an add.
@ -10,7 +12,9 @@ entry:
ret <4 x i64> %x
}
; CHECK: vpand
; CHECK: vpand %ymm
; CHECK: ret
define <4 x i64> @vpand(<4 x i64> %a, <4 x i64> %b) nounwind uwtable readnone ssp {
entry:
; Force the execution domain with an add.
@ -19,7 +23,9 @@ entry:
ret <4 x i64> %x
}
; CHECK: vpor
; CHECK: vpor %ymm
; CHECK: ret
define <4 x i64> @vpor(<4 x i64> %a, <4 x i64> %b) nounwind uwtable readnone ssp {
entry:
; Force the execution domain with an add.
@ -28,7 +34,9 @@ entry:
ret <4 x i64> %x
}
; CHECK: vpxor
; CHECK: vpxor %ymm
; CHECK: ret
define <4 x i64> @vpxor(<4 x i64> %a, <4 x i64> %b) nounwind uwtable readnone ssp {
entry:
; Force the execution domain with an add.
@ -36,3 +44,14 @@ entry:
%x = xor <4 x i64> %a2, %b
ret <4 x i64> %x
}
; CHECK: vpblendvb
; CHECK: vpblendvb %ymm
; CHECK: ret
define <32 x i8> @vpblendvb(<32 x i8> %x, <32 x i8> %y) {
%min_is_x = icmp ult <32 x i8> %x, %y
%min = select <32 x i1> %min_is_x, <32 x i8> %x, <32 x i8> %y
ret <32 x i8> %min
}