diff options
Diffstat (limited to 'lib/Target/Mips/MipsCallingConv.td')
| -rw-r--r-- | lib/Target/Mips/MipsCallingConv.td | 30 |
1 files changed, 27 insertions, 3 deletions
diff --git a/lib/Target/Mips/MipsCallingConv.td b/lib/Target/Mips/MipsCallingConv.td index 462def7..66391cb 100644 --- a/lib/Target/Mips/MipsCallingConv.td +++ b/lib/Target/Mips/MipsCallingConv.td @@ -26,8 +26,10 @@ def RetCC_MipsO32 : CallingConv<[ // f32 are returned in registers F0, F2 CCIfType<[f32], CCAssignToReg<[F0, F2]>>, - // f64 are returned in register D0, D1 - CCIfType<[f64], CCIfSubtarget<"isNotSingleFloat()", CCAssignToReg<[D0, D1]>>> + // f64 arguments are returned in D0_64 and D1_64 in FP64bit mode or + // in D0 and D1 in FP32bit mode. + CCIfType<[f64], CCIfSubtarget<"isFP64bit()", CCAssignToReg<[D0_64, D1_64]>>>, + CCIfType<[f64], CCIfSubtarget<"isNotFP64bit()", CCAssignToReg<[D0, D1]>>> ]>; //===----------------------------------------------------------------------===// @@ -149,7 +151,16 @@ def RetCC_MipsEABI : CallingConv<[ //===----------------------------------------------------------------------===// def CC_MipsO32_FastCC : CallingConv<[ // f64 arguments are passed in double-precision floating pointer registers. - CCIfType<[f64], CCAssignToReg<[D0, D1, D2, D3, D4, D5, D6, D7, D8, D9]>>, + CCIfType<[f64], CCIfSubtarget<"isNotFP64bit()", + CCAssignToReg<[D0, D1, D2, D3, D4, D5, D6, D7, + D8, D9]>>>, + CCIfType<[f64], CCIfSubtarget<"isFP64bit()", + CCAssignToReg<[D0_64, D1_64, D2_64, D3_64, + D4_64, D5_64, D6_64, D7_64, + D8_64, D9_64, D10_64, D11_64, + D12_64, D13_64, D14_64, D15_64, + D16_64, D17_64, D18_64, + D19_64]>>>, // Stack parameter slots for f64 are 64-bit doublewords and 8-byte aligned. CCIfType<[f64], CCAssignToStack<8, 8>> @@ -196,6 +207,13 @@ def CC_Mips_FastCC : CallingConv<[ CCDelegateTo<CC_MipsN_FastCC> ]>; +//== + +def CC_Mips16RetHelper : CallingConv<[ + // Integer arguments are passed in integer registers. + CCIfType<[i32], CCAssignToReg<[V0, V1, A0, A1]>> +]>; + //===----------------------------------------------------------------------===// // Mips Calling Convention Dispatch //===----------------------------------------------------------------------===// @@ -217,9 +235,15 @@ def CSR_SingleFloatOnly : CalleeSavedRegs<(add (sequence "F%u", 31, 20), RA, FP, def CSR_O32 : CalleeSavedRegs<(add (sequence "D%u", 15, 10), RA, FP, (sequence "S%u", 7, 0))>; +def CSR_O32_FP64 : CalleeSavedRegs<(add (sequence "D%u_64", 31, 20), RA, FP, + (sequence "S%u", 7, 0))>; + def CSR_N32 : CalleeSavedRegs<(add D31_64, D29_64, D27_64, D25_64, D24_64, D23_64, D22_64, D21_64, RA_64, FP_64, GP_64, (sequence "S%u_64", 7, 0))>; def CSR_N64 : CalleeSavedRegs<(add (sequence "D%u_64", 31, 24), RA_64, FP_64, GP_64, (sequence "S%u_64", 7, 0))>; + +def CSR_Mips16RetHelper : + CalleeSavedRegs<(add V0, V1, (sequence "A%u", 3, 0), S0, S1)>; |
