ARM: mark missing functions from RTABI

Simply indicate the functions that are part of the runtime library that we do
not setup libcalls for.  This is merely for ease of identification.  NFC.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@215863 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Target/ARM/ARMISelLowering.cpp b/lib/Target/ARM/ARMISelLowering.cpp
index 81e15719154e3ad8ecbb877a6990453ca7864cd6..4349f291e504dce4d22c296b85e15029c0e3fbfd 100644 (file)
--- a/lib/Target/ARM/ARMISelLowering.cpp
+++ b/lib/Target/ARM/ARMISelLowering.cpp
@@ -267,10 +267,14 @@ ARMTargetLowering::ARMTargetLowering(TargetMachine &TM)
       { RTLIB::ADD_F64, "__aeabi_dadd", CallingConv::ARM_AAPCS, ISD::SETCC_INVALID },
       { RTLIB::DIV_F64, "__aeabi_ddiv", CallingConv::ARM_AAPCS, ISD::SETCC_INVALID },
       { RTLIB::MUL_F64, "__aeabi_dmul", CallingConv::ARM_AAPCS, ISD::SETCC_INVALID },
+      // FIXME: double __aeabi_drsub(double x, double y) (rsub)
       { RTLIB::SUB_F64, "__aeabi_dsub", CallingConv::ARM_AAPCS, ISD::SETCC_INVALID },
 
       // Double-precision floating-point comparison helper functions
       // RTABI chapter 4.1.2, Table 3
+      // FIXME: void __aeabi_cdcmpeq(double, double)
+      // FIXME: void __aeabi_cdcmple(double, double)
+      // FIXME: void __aeabi_cdrcmple(double, double)
       { RTLIB::OEQ_F64, "__aeabi_dcmpeq", CallingConv::ARM_AAPCS, ISD::SETNE },
       { RTLIB::UNE_F64, "__aeabi_dcmpeq", CallingConv::ARM_AAPCS, ISD::SETEQ },
       { RTLIB::OLT_F64, "__aeabi_dcmplt", CallingConv::ARM_AAPCS, ISD::SETNE },
@@ -285,10 +289,14 @@ ARMTargetLowering::ARMTargetLowering(TargetMachine &TM)
       { RTLIB::ADD_F32, "__aeabi_fadd", CallingConv::ARM_AAPCS, ISD::SETCC_INVALID },
       { RTLIB::DIV_F32, "__aeabi_fdiv", CallingConv::ARM_AAPCS, ISD::SETCC_INVALID },
       { RTLIB::MUL_F32, "__aeabi_fmul", CallingConv::ARM_AAPCS, ISD::SETCC_INVALID },
+      // FIXME: void __aeabi_frsub(float x, float y)
       { RTLIB::SUB_F32, "__aeabi_fsub", CallingConv::ARM_AAPCS, ISD::SETCC_INVALID },
 
       // Single-precision floating-point comparison helper functions
       // RTABI chapter 4.1.2, Table 5
+      // FIXME: void __aeabi_cfcmpeq(float, float)
+      // FIXME: void __aeabi_cfcmple(float, float)
+      // FIXME: void __aeabi_cfrcmple(float, float)
       { RTLIB::OEQ_F32, "__aeabi_fcmpeq", CallingConv::ARM_AAPCS, ISD::SETNE },
       { RTLIB::UNE_F32, "__aeabi_fcmpeq", CallingConv::ARM_AAPCS, ISD::SETEQ },
       { RTLIB::OLT_F32, "__aeabi_fcmplt", CallingConv::ARM_AAPCS, ISD::SETNE },
@@ -313,7 +321,12 @@ ARMTargetLowering::ARMTargetLowering(TargetMachine &TM)
       // RTABI chapter 4.1.2, Table 7
       { RTLIB::FPROUND_F64_F32, "__aeabi_d2f", CallingConv::ARM_AAPCS, ISD::SETCC_INVALID },
       { RTLIB::FPEXT_F32_F64,   "__aeabi_f2d", CallingConv::ARM_AAPCS, ISD::SETCC_INVALID },
+      // FIXME: float __aeabi_f2f(short)
+      // FIXME: float __aeabi_h2f_alt(short)
+      // FIXME: short __aeabi_f2h(float)
+      // FIXME: short __aeabi_f2h_alt(float)
       { RTLIB::FPROUND_F64_F16, "__aeabi_d2h", CallingConv::ARM_AAPCS, ISD::SETCC_INVALID },
+      // FIXME: short __aeabi_d2h_alt(double)
 
       // Integer to floating-point conversions.
       // RTABI chapter 4.1.2, Table 8
@@ -338,6 +351,8 @@ ARMTargetLowering::ARMTargetLowering(TargetMachine &TM)
       { RTLIB::SHL_I64,     "__aeabi_llsl",     CallingConv::ARM_AAPCS, ISD::SETCC_INVALID },
       { RTLIB::SRL_I64,     "__aeabi_llsr",     CallingConv::ARM_AAPCS, ISD::SETCC_INVALID },
       { RTLIB::SRA_I64,     "__aeabi_lasr",     CallingConv::ARM_AAPCS, ISD::SETCC_INVALID },
+      // FIXME: int __aeabi_lcmp(long long, long long)
+      // FIXME: int __aeabi_ulcmp(unsigned long long, unsigned long long)
 
       // Integer division functions
       // RTABI chapter 4.3.1
@@ -356,9 +371,18 @@ ARMTargetLowering::ARMTargetLowering(TargetMachine &TM)
 
       // Memory operations
       // RTABI chapter 4.3.4
+      // FIXME: void __aeabi_memcpy8(void *, const void *, size_t)
+      // FIXME: void __aeabi_memcpy4(void *, const void *, size_t)
       { RTLIB::MEMCPY,  "__aeabi_memcpy",  CallingConv::ARM_AAPCS, ISD::SETCC_INVALID },
+      // FIXME: void __aeabi_memmove8(void *, const void *, size_t)
+      // FIXME: void __aeabi_memmove4(void *, const void *, size_t)
       { RTLIB::MEMMOVE, "__aeabi_memmove", CallingConv::ARM_AAPCS, ISD::SETCC_INVALID },
+      // FIXME: void __aeabi_memset8(void *, size_t, int)
+      // FIXME: void __aeabi_memset4(void *, size_t, int)
       { RTLIB::MEMSET,  "__aeabi_memset",  CallingConv::ARM_AAPCS, ISD::SETCC_INVALID },
+      // FIXME: void __aeabi_memclr8(void *, size_t)
+      // FIXME: void __aeabi_memclr4(void *, size_t)
+      // FIXME: void __aeabi_memclr(void *, size_t)
     };
 
     for (const auto &LC : LibraryCalls) {