[Power PC] softening long double type
This patch implements softening of long double type (ppcf128) on ppc32
architecture and enables operations for this type for soft float.
Patch by Strahinja Petrovic.
Differential Revision: http://reviews.llvm.org/D15811
llvm-svn: 259791
diff --git a/llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp b/llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp
index bde63db..39a13c8 100644
--- a/llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp
@@ -122,7 +122,7 @@
SDValue &NewLHS, SDValue &NewRHS,
ISD::CondCode &CCCode,
SDLoc dl) const {
- assert((VT == MVT::f32 || VT == MVT::f64 || VT == MVT::f128)
+ assert((VT == MVT::f32 || VT == MVT::f64 || VT == MVT::f128 || VT == MVT::ppcf128)
&& "Unsupported setcc type!");
// Expand into one or more soft-fp libcall(s).
@@ -132,53 +132,65 @@
case ISD::SETEQ:
case ISD::SETOEQ:
LC1 = (VT == MVT::f32) ? RTLIB::OEQ_F32 :
- (VT == MVT::f64) ? RTLIB::OEQ_F64 : RTLIB::OEQ_F128;
+ (VT == MVT::f64) ? RTLIB::OEQ_F64 :
+ (VT == MVT::f128) ? RTLIB::OEQ_F128 : RTLIB::OEQ_PPCF128;
break;
case ISD::SETNE:
case ISD::SETUNE:
LC1 = (VT == MVT::f32) ? RTLIB::UNE_F32 :
- (VT == MVT::f64) ? RTLIB::UNE_F64 : RTLIB::UNE_F128;
+ (VT == MVT::f64) ? RTLIB::UNE_F64 :
+ (VT == MVT::f128) ? RTLIB::UNE_F128 : RTLIB::UNE_PPCF128;
break;
case ISD::SETGE:
case ISD::SETOGE:
LC1 = (VT == MVT::f32) ? RTLIB::OGE_F32 :
- (VT == MVT::f64) ? RTLIB::OGE_F64 : RTLIB::OGE_F128;
+ (VT == MVT::f64) ? RTLIB::OGE_F64 :
+ (VT == MVT::f128) ? RTLIB::OGE_F128 : RTLIB::OGE_PPCF128;
break;
case ISD::SETLT:
case ISD::SETOLT:
LC1 = (VT == MVT::f32) ? RTLIB::OLT_F32 :
- (VT == MVT::f64) ? RTLIB::OLT_F64 : RTLIB::OLT_F128;
+ (VT == MVT::f64) ? RTLIB::OLT_F64 :
+ (VT == MVT::f128) ? RTLIB::OLT_F128 : RTLIB::OLT_PPCF128;
break;
case ISD::SETLE:
case ISD::SETOLE:
LC1 = (VT == MVT::f32) ? RTLIB::OLE_F32 :
- (VT == MVT::f64) ? RTLIB::OLE_F64 : RTLIB::OLE_F128;
+ (VT == MVT::f64) ? RTLIB::OLE_F64 :
+ (VT == MVT::f128) ? RTLIB::OLE_F128 : RTLIB::OLE_PPCF128;
break;
case ISD::SETGT:
case ISD::SETOGT:
LC1 = (VT == MVT::f32) ? RTLIB::OGT_F32 :
- (VT == MVT::f64) ? RTLIB::OGT_F64 : RTLIB::OGT_F128;
+ (VT == MVT::f64) ? RTLIB::OGT_F64 :
+ (VT == MVT::f128) ? RTLIB::OGT_F128 : RTLIB::OGT_PPCF128;
break;
case ISD::SETUO:
LC1 = (VT == MVT::f32) ? RTLIB::UO_F32 :
- (VT == MVT::f64) ? RTLIB::UO_F64 : RTLIB::UO_F128;
+ (VT == MVT::f64) ? RTLIB::UO_F64 :
+ (VT == MVT::f128) ? RTLIB::UO_F128 : RTLIB::UO_PPCF128;
break;
case ISD::SETO:
LC1 = (VT == MVT::f32) ? RTLIB::O_F32 :
- (VT == MVT::f64) ? RTLIB::O_F64 : RTLIB::O_F128;
+ (VT == MVT::f64) ? RTLIB::O_F64 :
+ (VT == MVT::f128) ? RTLIB::O_F128 : RTLIB::O_PPCF128;
break;
case ISD::SETONE:
// SETONE = SETOLT | SETOGT
LC1 = (VT == MVT::f32) ? RTLIB::OLT_F32 :
- (VT == MVT::f64) ? RTLIB::OLT_F64 : RTLIB::OLT_F128;
+ (VT == MVT::f64) ? RTLIB::OLT_F64 :
+ (VT == MVT::f128) ? RTLIB::OLT_F128 : RTLIB::OLT_PPCF128;
LC2 = (VT == MVT::f32) ? RTLIB::OGT_F32 :
- (VT == MVT::f64) ? RTLIB::OGT_F64 : RTLIB::OGT_F128;
+ (VT == MVT::f64) ? RTLIB::OGT_F64 :
+ (VT == MVT::f128) ? RTLIB::OGT_F128 : RTLIB::OGT_PPCF128;
break;
case ISD::SETUEQ:
LC1 = (VT == MVT::f32) ? RTLIB::UO_F32 :
- (VT == MVT::f64) ? RTLIB::UO_F64 : RTLIB::UO_F128;
+ (VT == MVT::f64) ? RTLIB::UO_F64 :
+ (VT == MVT::f128) ? RTLIB::UO_F64 : RTLIB::UO_PPCF128;
LC2 = (VT == MVT::f32) ? RTLIB::OEQ_F32 :
- (VT == MVT::f64) ? RTLIB::OEQ_F64 : RTLIB::OEQ_F128;
+ (VT == MVT::f64) ? RTLIB::OEQ_F64 :
+ (VT == MVT::f128) ? RTLIB::OEQ_F128 : RTLIB::OEQ_PPCF128;
break;
default:
// Invert CC for unordered comparisons
@@ -186,19 +198,23 @@
switch (CCCode) {
case ISD::SETULT:
LC1 = (VT == MVT::f32) ? RTLIB::OGE_F32 :
- (VT == MVT::f64) ? RTLIB::OGE_F64 : RTLIB::OGE_F128;
+ (VT == MVT::f64) ? RTLIB::OGE_F64 :
+ (VT == MVT::f128) ? RTLIB::OGE_F128 : RTLIB::OGE_PPCF128;
break;
case ISD::SETULE:
LC1 = (VT == MVT::f32) ? RTLIB::OGT_F32 :
- (VT == MVT::f64) ? RTLIB::OGT_F64 : RTLIB::OGT_F128;
+ (VT == MVT::f64) ? RTLIB::OGT_F64 :
+ (VT == MVT::f128) ? RTLIB::OGT_F128 : RTLIB::OGT_PPCF128;
break;
case ISD::SETUGT:
LC1 = (VT == MVT::f32) ? RTLIB::OLE_F32 :
- (VT == MVT::f64) ? RTLIB::OLE_F64 : RTLIB::OLE_F128;
+ (VT == MVT::f64) ? RTLIB::OLE_F64 :
+ (VT == MVT::f128) ? RTLIB::OLE_F128 : RTLIB::OLE_PPCF128;
break;
case ISD::SETUGE:
LC1 = (VT == MVT::f32) ? RTLIB::OLT_F32 :
- (VT == MVT::f64) ? RTLIB::OLT_F64 : RTLIB::OLT_F128;
+ (VT == MVT::f64) ? RTLIB::OLT_F64 :
+ (VT == MVT::f128) ? RTLIB::OLT_F128 : RTLIB::OLT_PPCF128;
break;
default: llvm_unreachable("Do not know how to soften this setcc!");
}