diff options
Diffstat (limited to 'lib/Target/ARM/ARMCallingConv.td')
| -rw-r--r-- | lib/Target/ARM/ARMCallingConv.td | 60 |
1 files changed, 51 insertions, 9 deletions
diff --git a/lib/Target/ARM/ARMCallingConv.td b/lib/Target/ARM/ARMCallingConv.td index 6cd786e..f126760 100644 --- a/lib/Target/ARM/ARMCallingConv.td +++ b/lib/Target/ARM/ARMCallingConv.td @@ -17,6 +17,11 @@ class CCIfSubtarget<string F, CCAction A>: class CCIfAlign<string Align, CCAction A>: CCIf<!strconcat("ArgFlags.getOrigAlign() == ", Align), A>; +/// CCIfFloatABI - Match of the float ABI and the arg. ABIType may be "Hard" or +/// "Soft". +class CCIfFloatABI<string ABIType, CCAction A>: + CCIf<!strconcat("llvm::FloatABIType == llvm::FloatABI::", ABIType), A>; + //===----------------------------------------------------------------------===// // ARM APCS Calling Convention //===----------------------------------------------------------------------===// @@ -43,9 +48,10 @@ def RetCC_ARM_APCS : CallingConv<[ ]>; //===----------------------------------------------------------------------===// -// ARM AAPCS (EABI) Calling Convention +// ARM AAPCS (EABI) Calling Convention, common parts //===----------------------------------------------------------------------===// -def CC_ARM_AAPCS : CallingConv<[ + +def CC_ARM_AAPCS_Common : CallingConv<[ CCIfType<[i8, i16], CCPromoteToType<i32>>, @@ -53,23 +59,51 @@ def CC_ARM_AAPCS : CallingConv<[ // i64 is 8-aligned i32 here, so we may need to eat R1 as a pad register // (and the same is true for f64 if VFP is not enabled) CCIfType<[i32], CCIfAlign<"8", CCAssignToRegWithShadow<[R0, R2], [R0, R1]>>>, - CCIfType<[f64], CCCustom<"CC_ARM_AAPCS_Custom_f64">>, - - CCIfType<[f32], CCBitConvertToType<i32>>, CCIfType<[i32], CCIf<"State.getNextStackOffset() == 0 &&" "ArgFlags.getOrigAlign() != 8", CCAssignToReg<[R0, R1, R2, R3]>>>, - CCIfType<[i32], CCAssignToStack<4, 4>>, + CCIfType<[i32, f32], CCAssignToStack<4, 4>>, CCIfType<[f64], CCAssignToStack<8, 8>> ]>; -def RetCC_ARM_AAPCS : CallingConv<[ +def RetCC_ARM_AAPCS_Common : CallingConv<[ + CCIfType<[i32], CCAssignToReg<[R0, R1, R2, R3]>>, + CCIfType<[i64], CCAssignToRegWithShadow<[R0, R2], [R1, R3]>> +]>; + +//===----------------------------------------------------------------------===// +// ARM AAPCS (EABI) Calling Convention +//===----------------------------------------------------------------------===// + +def CC_ARM_AAPCS : CallingConv<[ + CCIfType<[f64], CCCustom<"CC_ARM_AAPCS_Custom_f64">>, CCIfType<[f32], CCBitConvertToType<i32>>, + CCDelegateTo<CC_ARM_AAPCS_Common> +]>; + +def RetCC_ARM_AAPCS : CallingConv<[ CCIfType<[f64], CCCustom<"RetCC_ARM_AAPCS_Custom_f64">>, + CCIfType<[f32], CCBitConvertToType<i32>>, + CCDelegateTo<RetCC_ARM_AAPCS_Common> +]>; - CCIfType<[i32], CCAssignToReg<[R0, R1, R2, R3]>>, - CCIfType<[i64], CCAssignToRegWithShadow<[R0, R2], [R1, R3]>> +//===----------------------------------------------------------------------===// +// ARM AAPCS-VFP (EABI) Calling Convention +//===----------------------------------------------------------------------===// + +def CC_ARM_AAPCS_VFP : CallingConv<[ + CCIfType<[f64], CCAssignToReg<[D0, D1, D2, D3, D4, D5, D6, D7]>>, + CCIfType<[f32], CCAssignToReg<[S0, S1, S2, S3, S4, S5, S6, S7, S8, + S9, S10, S11, S12, S13, S14, S15]>>, + CCDelegateTo<CC_ARM_AAPCS_Common> +]>; + +def RetCC_ARM_AAPCS_VFP : CallingConv<[ + CCIfType<[f64], CCAssignToReg<[D0, D1, D2, D3, D4, D5, D6, D7]>>, + CCIfType<[f32], CCAssignToReg<[S0, S1, S2, S3, S4, S5, S6, S7, S8, + S9, S10, S11, S12, S13, S14, S15]>>, + CCDelegateTo<RetCC_ARM_AAPCS_Common> ]>; //===----------------------------------------------------------------------===// @@ -77,11 +111,19 @@ def RetCC_ARM_AAPCS : CallingConv<[ //===----------------------------------------------------------------------===// def CC_ARM : CallingConv<[ + CCIfSubtarget<"isAAPCS_ABI()", + CCIfSubtarget<"hasVFP2()", + CCIfFloatABI<"Hard", + CCDelegateTo<CC_ARM_AAPCS_VFP>>>>, CCIfSubtarget<"isAAPCS_ABI()", CCDelegateTo<CC_ARM_AAPCS>>, CCDelegateTo<CC_ARM_APCS> ]>; def RetCC_ARM : CallingConv<[ + CCIfSubtarget<"isAAPCS_ABI()", + CCIfSubtarget<"hasVFP2()", + CCIfFloatABI<"Hard", + CCDelegateTo<RetCC_ARM_AAPCS_VFP>>>>, CCIfSubtarget<"isAAPCS_ABI()", CCDelegateTo<RetCC_ARM_AAPCS>>, CCDelegateTo<RetCC_ARM_APCS> ]>; |
