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| author | Oliver Stannard <oliver.stannard@arm.com> | 2014-07-11 13:33:46 +0000 |
|---|---|---|
| committer | Oliver Stannard <oliver.stannard@arm.com> | 2014-07-11 13:33:46 +0000 |
| commit | 6eda6ffc0c32f98a2c78a34ca613b519ed5c14c3 (patch) | |
| tree | 09f665529fc08b2ee8b75c73da1af26eac367048 /llvm/lib/Target | |
| parent | b666eee1c8df5c431d8340830205744eb80a696d (diff) | |
| download | bcm5719-llvm-6eda6ffc0c32f98a2c78a34ca613b519ed5c14c3.tar.gz bcm5719-llvm-6eda6ffc0c32f98a2c78a34ca613b519ed5c14c3.zip | |
ARM: Allow __fp16 as a function arg or return type for AArch64
ACLE 2.0 allows __fp16 to be used as a function argument or return
type. This enables this for AArch64.
llvm-svn: 212812
Diffstat (limited to 'llvm/lib/Target')
| -rw-r--r-- | llvm/lib/Target/AArch64/AArch64CallingConvention.td | 12 | ||||
| -rw-r--r-- | llvm/lib/Target/AArch64/AArch64ISelLowering.cpp | 2 |
2 files changed, 11 insertions, 3 deletions
diff --git a/llvm/lib/Target/AArch64/AArch64CallingConvention.td b/llvm/lib/Target/AArch64/AArch64CallingConvention.td index 8e8bd3d0bcd..1fe5138b529 100644 --- a/llvm/lib/Target/AArch64/AArch64CallingConvention.td +++ b/llvm/lib/Target/AArch64/AArch64CallingConvention.td @@ -54,6 +54,8 @@ def CC_AArch64_AAPCS : CallingConv<[ CCIfType<[i64], CCAssignToRegWithShadow<[X0, X1, X2, X3, X4, X5, X6, X7], [W0, W1, W2, W3, W4, W5, W6, W7]>>, + CCIfType<[f16], CCAssignToRegWithShadow<[H0, H1, H2, H3, H4, H5, H6, H7], + [Q0, Q1, Q2, Q3, Q4, Q5, Q6, Q7]>>, CCIfType<[f32], CCAssignToRegWithShadow<[S0, S1, S2, S3, S4, S5, S6, S7], [Q0, Q1, Q2, Q3, Q4, Q5, Q6, Q7]>>, CCIfType<[f64], CCAssignToRegWithShadow<[D0, D1, D2, D3, D4, D5, D6, D7], @@ -65,7 +67,7 @@ def CC_AArch64_AAPCS : CallingConv<[ CCAssignToReg<[Q0, Q1, Q2, Q3, Q4, Q5, Q6, Q7]>>, // If more than will fit in registers, pass them on the stack instead. - CCIfType<[i1, i8, i16], CCAssignToStack<8, 8>>, + CCIfType<[i1, i8, i16, f16], CCAssignToStack<8, 8>>, CCIfType<[i32, f32], CCAssignToStack<8, 8>>, CCIfType<[i64, f64, v1f64, v2f32, v1i64, v2i32, v4i16, v8i8], CCAssignToStack<8, 8>>, @@ -88,6 +90,8 @@ def RetCC_AArch64_AAPCS : CallingConv<[ [X0, X1, X2, X3, X4, X5, X6, X7]>>, CCIfType<[i64], CCAssignToRegWithShadow<[X0, X1, X2, X3, X4, X5, X6, X7], [W0, W1, W2, W3, W4, W5, W6, W7]>>, + CCIfType<[f16], CCAssignToRegWithShadow<[H0, H1, H2, H3, H4, H5, H6, H7], + [Q0, Q1, Q2, Q3, Q4, Q5, Q6, Q7]>>, CCIfType<[f32], CCAssignToRegWithShadow<[S0, S1, S2, S3, S4, S5, S6, S7], [Q0, Q1, Q2, Q3, Q4, Q5, Q6, Q7]>>, CCIfType<[f64], CCAssignToRegWithShadow<[D0, D1, D2, D3, D4, D5, D6, D7], @@ -129,6 +133,8 @@ def CC_AArch64_DarwinPCS : CallingConv<[ CCIfType<[i64], CCAssignToRegWithShadow<[X0, X1, X2, X3, X4, X5, X6, X7], [W0, W1, W2, W3, W4, W5, W6, W7]>>, + CCIfType<[f16], CCAssignToRegWithShadow<[H0, H1, H2, H3, H4, H5, H6, H7], + [Q0, Q1, Q2, Q3, Q4, Q5, Q6, Q7]>>, CCIfType<[f32], CCAssignToRegWithShadow<[S0, S1, S2, S3, S4, S5, S6, S7], [Q0, Q1, Q2, Q3, Q4, Q5, Q6, Q7]>>, CCIfType<[f64], CCAssignToRegWithShadow<[D0, D1, D2, D3, D4, D5, D6, D7], @@ -141,7 +147,7 @@ def CC_AArch64_DarwinPCS : CallingConv<[ // If more than will fit in registers, pass them on the stack instead. CCIf<"ValVT == MVT::i1 || ValVT == MVT::i8", CCAssignToStack<1, 1>>, - CCIf<"ValVT == MVT::i16", CCAssignToStack<2, 2>>, + CCIf<"ValVT == MVT::i16 || ValVT == MVT::f16", CCAssignToStack<2, 2>>, CCIfType<[i32, f32], CCAssignToStack<4, 4>>, CCIfType<[i64, f64, v1f64, v2f32, v1i64, v2i32, v4i16, v8i8], CCAssignToStack<8, 8>>, @@ -154,7 +160,7 @@ def CC_AArch64_DarwinPCS_VarArg : CallingConv<[ // Handle all scalar types as either i64 or f64. CCIfType<[i8, i16, i32], CCPromoteToType<i64>>, - CCIfType<[f32], CCPromoteToType<f64>>, + CCIfType<[f16, f32], CCPromoteToType<f64>>, // Everything is on the stack. // i128 is split to two i64s, and its stack alignment is 16 bytes. diff --git a/llvm/lib/Target/AArch64/AArch64ISelLowering.cpp b/llvm/lib/Target/AArch64/AArch64ISelLowering.cpp index 28d0035a11a..07ff0938ed2 100644 --- a/llvm/lib/Target/AArch64/AArch64ISelLowering.cpp +++ b/llvm/lib/Target/AArch64/AArch64ISelLowering.cpp @@ -1711,6 +1711,8 @@ SDValue AArch64TargetLowering::LowerFormalArguments( RC = &AArch64::GPR32RegClass; else if (RegVT == MVT::i64) RC = &AArch64::GPR64RegClass; + else if (RegVT == MVT::f16) + RC = &AArch64::FPR16RegClass; else if (RegVT == MVT::f32) RC = &AArch64::FPR32RegClass; else if (RegVT == MVT::f64 || RegVT.is64BitVector()) |
