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[PowerPC] Use v2f64 <-> v2i64 VSX conversion instructions

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@204843 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Hal Finkel
2014-03-26 19:13:54 +00:00
parent ec97f95442
commit b397453155
3 changed files with 85 additions and 4 deletions
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5
lib/Target/PowerPC/PPCISelLowering.cpp
View File

@@ -584,6 +584,11 @@ PPCTargetLowering::PPCTargetLowering(PPCTargetMachine &TM)
setOperationAction(ISD::STORE, MVT::v2i64, Promote);
AddPromotedToType (ISD::STORE, MVT::v2i64, MVT::v2f64);
setOperationAction(ISD::SINT_TO_FP, MVT::v2i64, Legal);
setOperationAction(ISD::UINT_TO_FP, MVT::v2i64, Legal);
setOperationAction(ISD::FP_TO_SINT, MVT::v2i64, Legal);
setOperationAction(ISD::FP_TO_UINT, MVT::v2i64, Legal);
addRegisterClass(MVT::v2i64, &PPC::VSRCRegClass);
}
}

12
lib/Target/PowerPC/PPCInstrVSX.td
View File

@@ -512,13 +512,15 @@ let Uses = [RM] in {
"xvcvdpsp $XT, $XB", IIC_VecFP, []>;
def XVCVDPSXDS : XX2Form<60, 472,
(outs vsrc:$XT), (ins vsrc:$XB),
"xvcvdpsxds $XT, $XB", IIC_VecFP, []>;
"xvcvdpsxds $XT, $XB", IIC_VecFP,
[(set v2i64:$XT, (fp_to_sint v2f64:$XB))]>;
def XVCVDPSXWS : XX2Form<60, 216,
(outs vsrc:$XT), (ins vsrc:$XB),
"xvcvdpsxws $XT, $XB", IIC_VecFP, []>;
def XVCVDPUXDS : XX2Form<60, 456,
(outs vsrc:$XT), (ins vsrc:$XB),
"xvcvdpuxds $XT, $XB", IIC_VecFP, []>;
"xvcvdpuxds $XT, $XB", IIC_VecFP,
[(set v2i64:$XT, (fp_to_uint v2f64:$XB))]>;
def XVCVDPUXWS : XX2Form<60, 200,
(outs vsrc:$XT), (ins vsrc:$XB),
"xvcvdpuxws $XT, $XB", IIC_VecFP, []>;
@@ -540,7 +542,8 @@ let Uses = [RM] in {
"xvcvspuxws $XT, $XB", IIC_VecFP, []>;
def XVCVSXDDP : XX2Form<60, 504,
(outs vsrc:$XT), (ins vsrc:$XB),
"xvcvsxddp $XT, $XB", IIC_VecFP, []>;
"xvcvsxddp $XT, $XB", IIC_VecFP,
[(set v2f64:$XT, (sint_to_fp v2i64:$XB))]>;
def XVCVSXDSP : XX2Form<60, 440,
(outs vsrc:$XT), (ins vsrc:$XB),
"xvcvsxdsp $XT, $XB", IIC_VecFP, []>;
@@ -552,7 +555,8 @@ let Uses = [RM] in {
"xvcvsxwsp $XT, $XB", IIC_VecFP, []>;
def XVCVUXDDP : XX2Form<60, 488,
(outs vsrc:$XT), (ins vsrc:$XB),
"xvcvuxddp $XT, $XB", IIC_VecFP, []>;
"xvcvuxddp $XT, $XB", IIC_VecFP,
[(set v2f64:$XT, (uint_to_fp v2i64:$XB))]>;
def XVCVUXDSP : XX2Form<60, 424,
(outs vsrc:$XT), (ins vsrc:$XB),
"xvcvuxdsp $XT, $XB", IIC_VecFP, []>;

72
test/CodeGen/PowerPC/vsx.ll
View File

@@ -332,3 +332,75 @@ define void @test31(<2 x i64>* %a, <2 x i64> %b) {
; CHECK: blr
}
define <2 x double> @test40(<2 x i64> %a) {
%v = uitofp <2 x i64> %a to <2 x double>
ret <2 x double> %v
; CHECK-LABEL: @test40
; CHECK: xvcvuxddp 34, 34
; CHECK: blr
}
define <2 x double> @test41(<2 x i64> %a) {
%v = sitofp <2 x i64> %a to <2 x double>
ret <2 x double> %v
; CHECK-LABEL: @test41
; CHECK: xvcvsxddp 34, 34
; CHECK: blr
}
define <2 x i64> @test42(<2 x double> %a) {
%v = fptoui <2 x double> %a to <2 x i64>
ret <2 x i64> %v
; CHECK-LABEL: @test42
; CHECK: xvcvdpuxds 34, 34
; CHECK: blr
}
define <2 x i64> @test43(<2 x double> %a) {
%v = fptosi <2 x double> %a to <2 x i64>
ret <2 x i64> %v
; CHECK-LABEL: @test43
; CHECK: xvcvdpsxds 34, 34
; CHECK: blr
}
define <2 x float> @test44(<2 x i64> %a) {
%v = uitofp <2 x i64> %a to <2 x float>
ret <2 x float> %v
; CHECK-LABEL: @test44
; FIXME: The code quality here looks pretty bad.
; CHECK: blr
}
define <2 x float> @test45(<2 x i64> %a) {
%v = sitofp <2 x i64> %a to <2 x float>
ret <2 x float> %v
; CHECK-LABEL: @test45
; FIXME: The code quality here looks pretty bad.
; CHECK: blr
}
define <2 x i64> @test46(<2 x float> %a) {
%v = fptoui <2 x float> %a to <2 x i64>
ret <2 x i64> %v
; CHECK-LABEL: @test46
; FIXME: The code quality here looks pretty bad.
; CHECK: blr
}
define <2 x i64> @test47(<2 x float> %a) {
%v = fptosi <2 x float> %a to <2 x i64>
ret <2 x i64> %v
; CHECK-LABEL: @test47
; FIXME: The code quality here looks pretty bad.
; CHECK: blr
}