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-rw-r--r--llvm/lib/Target/ARM/ARMISelLowering.cpp1
-rw-r--r--llvm/lib/Target/ARM/ARMInstrVFP.td4
-rw-r--r--llvm/test/CodeGen/ARM/fp16-instructions.ll40
3 files changed, 42 insertions, 3 deletions
diff --git a/llvm/lib/Target/ARM/ARMISelLowering.cpp b/llvm/lib/Target/ARM/ARMISelLowering.cpp
index 0c9f615d888..e86e5bce2b6 100644
--- a/llvm/lib/Target/ARM/ARMISelLowering.cpp
+++ b/llvm/lib/Target/ARM/ARMISelLowering.cpp
@@ -1048,6 +1048,7 @@ ARMTargetLowering::ARMTargetLowering(const TargetMachine &TM,
setOperationAction(ISD::SELECT, MVT::i32, Custom);
setOperationAction(ISD::SELECT, MVT::f32, Custom);
setOperationAction(ISD::SELECT, MVT::f64, Custom);
+ setOperationAction(ISD::SELECT_CC, MVT::f16, Custom);
setOperationAction(ISD::SELECT_CC, MVT::i32, Custom);
setOperationAction(ISD::SELECT_CC, MVT::f32, Custom);
setOperationAction(ISD::SELECT_CC, MVT::f64, Custom);
diff --git a/llvm/lib/Target/ARM/ARMInstrVFP.td b/llvm/lib/Target/ARM/ARMInstrVFP.td
index 9efc4f9c343..8731a7fdce9 100644
--- a/llvm/lib/Target/ARM/ARMInstrVFP.td
+++ b/llvm/lib/Target/ARM/ARMInstrVFP.td
@@ -451,9 +451,9 @@ multiclass vsel_inst<string op, bits<2> opc, int CC> {
let DecoderNamespace = "VFPV8", PostEncoderMethod = "",
Uses = [CPSR], AddedComplexity = 4 in {
def H : AHbInp<0b11100, opc, 0,
- (outs SPR:$Sd), (ins SPR:$Sn, SPR:$Sm),
+ (outs HPR:$Sd), (ins HPR:$Sn, HPR:$Sm),
NoItinerary, !strconcat("vsel", op, ".f16\t$Sd, $Sn, $Sm"),
- []>,
+ [(set HPR:$Sd, (ARMcmov HPR:$Sm, HPR:$Sn, CC))]>,
Requires<[HasFullFP16]>;
def S : ASbInp<0b11100, opc, 0,
diff --git a/llvm/test/CodeGen/ARM/fp16-instructions.ll b/llvm/test/CodeGen/ARM/fp16-instructions.ll
index 75a11a53199..3aef5fc60fd 100644
--- a/llvm/test/CodeGen/ARM/fp16-instructions.ll
+++ b/llvm/test/CodeGen/ARM/fp16-instructions.ll
@@ -687,6 +687,7 @@ entry:
; CHECK-HARDFP-FULLFP16: vnmul.f16 s0, s0, s1
}
+; TODO:
; 28. VRINTA
; 29. VRINTM
; 30. VRINTN
@@ -694,11 +695,48 @@ entry:
; 32. VRINTR
; 33. VRINTX
; 34. VRINTZ
+
; 35. VSELEQ
+define half @select_cc1() {
+ %1 = fcmp nsz oeq half undef, 0xH0001
+ %2 = select i1 %1, half 0xHC000, half 0xH0002
+ ret half %2
+
+; CHECK-LABEL: select_cc1:
+; CHECK-HARDFP-FULLFP16: vseleq.f16 s0, s{{.}}, s{{.}}
+}
+
; 36. VSELGE
+define half @select_cc2() {
+ %1 = fcmp nsz oge half undef, 0xH0001
+ %2 = select i1 %1, half 0xHC000, half 0xH0002
+ ret half %2
+
+; CHECK-LABEL: select_cc2:
+; CHECK-HARDFP-FULLFP16: vselge.f16 s0, s{{.}}, s{{.}}
+}
+
; 37. VSELGT
+define half @select_cc3() {
+ %1 = fcmp nsz ogt half undef, 0xH0001
+ %2 = select i1 %1, half 0xHC000, half 0xH0002
+ ret half %2
+
+; CHECK-LABEL: select_cc3:
+; CHECK-HARDFP-FULLFP16: vselgt.f16 s0, s{{.}}, s{{.}}
+}
+
; 38. VSELVS
-; 39. VSQRT
+define half @select_cc4() {
+ %1 = fcmp nsz ueq half undef, 0xH0001
+ %2 = select i1 %1, half 0xHC000, half 0xH0002
+ ret half %2
+
+; CHECK-LABEL: select_cc4:
+; CHECK-HARDFP-FULLFP16: vselvs.f16 s0, s{{.}}, s{{.}}
+}
+
+; 39. VSQRT - TODO
; 40. VSUB
define float @Sub(float %a.coerce, float %b.coerce) {
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