From b3bfac3f16c320d9c5f56f54b048606872d0a8fd Mon Sep 17 00:00:00 2001
From: Michael Davidsaver <mdavidsaver@bnl.gov>
Date: Fri, 27 Feb 2015 17:29:10 -0500
Subject: [PATCH] add EPICS_ALWAYS_INLINE

---
 .../osi/compiler/clang/compilerSpecific.h     |  6 +++
 .../osi/compiler/default/compilerSpecific.h   |  8 ++++
 .../osi/compiler/gcc/compilerSpecific.h       |  6 +++
 .../osi/compiler/msvc/compilerSpecific.h      |  6 +++
 .../osi/compiler/solStudio/compilerSpecific.h | 43 +++++++++++++++++++
 5 files changed, 69 insertions(+)
 create mode 100644 src/libCom/osi/compiler/solStudio/compilerSpecific.h

diff --git a/src/libCom/osi/compiler/clang/compilerSpecific.h b/src/libCom/osi/compiler/clang/compilerSpecific.h
index 482ee513e..9871fcf7d 100644
--- a/src/libCom/osi/compiler/clang/compilerSpecific.h
+++ b/src/libCom/osi/compiler/clang/compilerSpecific.h
@@ -20,6 +20,12 @@
 #   error compiler/clang/compilerSpecific.h is only for use with the clang compiler
 #endif
 
+#if __has_attribute(always_inline)
+#define EPICS_ALWAYS_INLINE __inline__ __attribute__((always_inline))
+#else
+#define EPICS_ALWAYS_INLINE __inline__
+#endif
+
 #ifdef __cplusplus
 
 /*
diff --git a/src/libCom/osi/compiler/default/compilerSpecific.h b/src/libCom/osi/compiler/default/compilerSpecific.h
index f2a3f8c36..8af1727c5 100644
--- a/src/libCom/osi/compiler/default/compilerSpecific.h
+++ b/src/libCom/osi/compiler/default/compilerSpecific.h
@@ -15,6 +15,14 @@
 
 #ifndef compilerSpecific_h
 #define compilerSpecific_h
+
+/* The 'inline' key work, possibily with compiler
+ * dependent flags to force inlineing where it would
+ * otherwise not be done.
+ *
+ * Warning: Second guessing the compiler may result in larger code size
+ */
+#define EPICS_ALWAYS_INLINE inline
  
 #ifdef __cplusplus
 
diff --git a/src/libCom/osi/compiler/gcc/compilerSpecific.h b/src/libCom/osi/compiler/gcc/compilerSpecific.h
index 6696c7a89..ca46a9348 100644
--- a/src/libCom/osi/compiler/gcc/compilerSpecific.h
+++ b/src/libCom/osi/compiler/gcc/compilerSpecific.h
@@ -23,6 +23,12 @@
 #ifdef __clang__
 #   error compiler/gcc/compilerSpecific.h is not for use with the clang compiler
 #endif
+
+#if __GNUC__ > 2
+#  define EPICS_ALWAYS_INLINE __inline__ __attribute__((always_inline))
+#else
+#  define EPICS_ALWAYS_INLINE __inline__
+#endif
  
 #ifdef __cplusplus
 
diff --git a/src/libCom/osi/compiler/msvc/compilerSpecific.h b/src/libCom/osi/compiler/msvc/compilerSpecific.h
index 587d534c7..49cf266ae 100644
--- a/src/libCom/osi/compiler/msvc/compilerSpecific.h
+++ b/src/libCom/osi/compiler/msvc/compilerSpecific.h
@@ -20,6 +20,12 @@
 #   error compiler/msvc/compilerSpecific.h is only for use with the Microsoft compiler
 #endif
 
+#if _MSC_VER >= 1200
+#define EPICS_ALWAYS_INLINE __forceinline
+#else
+#define EPICS_ALWAYS_INLINE __inline
+#endif
+
 #ifdef __cplusplus
 
 /*
diff --git a/src/libCom/osi/compiler/solStudio/compilerSpecific.h b/src/libCom/osi/compiler/solStudio/compilerSpecific.h
new file mode 100644
index 000000000..2bdcec64d
--- /dev/null
+++ b/src/libCom/osi/compiler/solStudio/compilerSpecific.h
@@ -0,0 +1,43 @@
+/*************************************************************************\
+* Copyright (c) 2008 UChicago Argonne LLC, as Operator of Argonne
+*     National Laboratory.
+* Copyright (c) 2002 The Regents of the University of California, as
+*     Operator of Los Alamos National Laboratory.
+* EPICS BASE is distributed subject to a Software License Agreement found
+* in file LICENSE that is included with this distribution. 
+\*************************************************************************/
+
+/*
+ * Author: 
+ * Jeffrey O. Hill
+ * johill@lanl.gov
+ */
+
+#ifndef compilerSpecific_h
+#define compilerSpecific_h
+
+#ifndef __SUNPRO_C
+#  error Not Solaris Studio
+#endif
+
+#if __SUNPRO_C<0x590
+#  define EPICS_ALWAYS_INLINE inline
+#else
+#  define EPICS_ALWAYS_INLINE inline __attribute__((always_inline))
+#endif
+
+#ifdef __cplusplus
+
+/*
+ * CXX_PLACEMENT_DELETE - defined if compiler supports placement delete
+ * CXX_THROW_SPECIFICATION - defined if compiler supports throw specification
+ *
+ * (our default guess is that the compiler implements the C++ 97 standard)
+ */
+#define CXX_THROW_SPECIFICATION
+#define CXX_PLACEMENT_DELETE
+
+#endif /* __cplusplus */
+
+
+#endif  /* ifndef compilerSpecific_h */