[llvm-commits] [llvm] r42972 - /llvm/trunk/lib/Target/CBackend/CBackend.cpp

[Dale Johannesen]

Author: johannes
Date: Sun Oct 14 20:05:37 2007
New Revision: 42972

URL: http://llvm.org/viewvc/llvm-project?rev=42972&view=rev
Log:
Handle PPC long double in CBackend.


Modified:
    llvm/trunk/lib/Target/CBackend/CBackend.cpp

Modified: llvm/trunk/lib/Target/CBackend/CBackend.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/CBackend/CBackend.cpp?rev=42972&r1=42971&r2=42972&view=diff

==============================================================================
--- llvm/trunk/lib/Target/CBackend/CBackend.cpp (original)
+++ llvm/trunk/lib/Target/CBackend/CBackend.cpp Sun Oct 14 20:05:37 2007
@@ -1505,6 +1505,7 @@
       << "typedef unsigned int        ConstantFloatTy;\n"
       << "typedef struct { unsigned long long f1; unsigned short f2; "
          "unsigned short pad[3]; } ConstantFP80Ty;\n"
+      // This is used for both kinds of 128-bit long double; meaning differs.
       << "typedef struct { unsigned long long f1; unsigned long long f2; }"
          " ConstantFP128Ty;\n"
       << "\n\n/* Global Declarations */\n";
@@ -1737,6 +1738,14 @@
               << ((uint16_t)p[1] | (p[0] & 0xffffffffffffLL)<<16)
               << ", 0x" << (uint16_t)(p[0] >> 48) << ",0,0,0"
               << "}; /* Long double constant */\n" << std::dec;
+        } else if (FPC->getType() == Type::PPC_FP128Ty) {
+          APInt api = FPC->getValueAPF().convertToAPInt();
+          const uint64_t *p = api.getRawData();
+          Out << "static const ConstantFP128Ty FPConstant" << FPCounter++
+              << " = { 0x" << std::hex
+              << p[0] << ", 0x" << p[1]
+              << "}; /* Long double constant */\n" << std::dec;
+
         } else
           assert(0 && "Unknown float type!");
       }