From 81fd449238e42fe3f34292bc34b0a15a27b3d44f Mon Sep 17 00:00:00 2001
From: Sterling Augustine <saugustine@google.com>
Date: Mon, 31 Jul 2017 22:23:17 +0000
Subject: [PATCH] Add powerpc64 to compiler-rt build infrastructure.

Summary: Add powerpc64 to compiler-rt build infrastructure.

Reviewers: timshen

Reviewed By: timshen

Subscribers: nemanjai, dberris, mgorny, aheejin, cfe-commits

Differential Revision: https://reviews.llvm.org/D36108

llvm-svn: 309634
---
 compiler-rt/cmake/Modules/CompilerRTUtils.cmake |  6 ++++++
 compiler-rt/cmake/builtin-config-ix.cmake       |  2 +-
 compiler-rt/lib/builtins/CMakeLists.txt         | 14 ++++++++++++++
 compiler-rt/lib/builtins/clear_cache.c          |  2 +-
 4 files changed, 22 insertions(+), 2 deletions(-)

diff --git a/compiler-rt/cmake/Modules/CompilerRTUtils.cmake b/compiler-rt/cmake/Modules/CompilerRTUtils.cmake
index 3b3a0c1532fc..a043524403ba 100644
--- a/compiler-rt/cmake/Modules/CompilerRTUtils.cmake
+++ b/compiler-rt/cmake/Modules/CompilerRTUtils.cmake
@@ -167,6 +167,8 @@ macro(detect_target_arch)
   check_symbol_exists(__i386__ "" __I386)
   check_symbol_exists(__mips__ "" __MIPS)
   check_symbol_exists(__mips64__ "" __MIPS64)
+  check_symbol_exists(__powerpc64__ "" __PPC64)
+  check_symbol_exists(__powerpc64le__ "" __PPC64LE)
   check_symbol_exists(__s390x__ "" __S390X)
   check_symbol_exists(__wasm32__ "" __WEBASSEMBLY32)
   check_symbol_exists(__wasm64__ "" __WEBASSEMBLY64)
@@ -184,6 +186,10 @@ macro(detect_target_arch)
     add_default_target_arch(mips64)
   elseif(__MIPS)
     add_default_target_arch(mips)
+  elseif(__PPC64)
+    add_default_target_arch(powerpc64)
+  elseif(__PPC64LE)
+    add_default_target_arch(powerpc64le)
   elseif(__S390X)
     add_default_target_arch(s390x)
   elseif(__WEBASSEMBLY32)
diff --git a/compiler-rt/cmake/builtin-config-ix.cmake b/compiler-rt/cmake/builtin-config-ix.cmake
index 20bc68476c7d..23ec500e49f0 100644
--- a/compiler-rt/cmake/builtin-config-ix.cmake
+++ b/compiler-rt/cmake/builtin-config-ix.cmake
@@ -40,7 +40,7 @@ if(APPLE)
 endif()
 
 set(ALL_BUILTIN_SUPPORTED_ARCH ${X86} ${X86_64} ${ARM32} ${ARM64}
-    ${MIPS32} ${MIPS64} ${WASM32} ${WASM64})
+    ${MIPS32} ${MIPS64} ${PPC64} ${WASM32} ${WASM64})
 
 include(CompilerRTUtils)
 include(CompilerRTDarwinUtils)
diff --git a/compiler-rt/lib/builtins/CMakeLists.txt b/compiler-rt/lib/builtins/CMakeLists.txt
index f0d3f50714c1..840042715b63 100644
--- a/compiler-rt/lib/builtins/CMakeLists.txt
+++ b/compiler-rt/lib/builtins/CMakeLists.txt
@@ -458,6 +458,20 @@ set(mips64_SOURCES ${GENERIC_TF_SOURCES}
 set(mips64el_SOURCES ${GENERIC_TF_SOURCES}
                      ${mips_SOURCES})
 
+set(powerpc64_SOURCES
+  ppc/divtc3.c
+  ppc/fixtfdi.c
+  ppc/fixunstfdi.c
+  ppc/floatditf.c
+  ppc/floatunditf.c
+  ppc/gcc_qadd.c
+  ppc/gcc_qdiv.c
+  ppc/gcc_qmul.c
+  ppc/gcc_qsub.c
+  ppc/multc3.c
+  ${GENERIC_SOURCES})
+set(powerpc64le_SOURCES ${powerpc64_SOURCES})
+
 set(wasm32_SOURCES ${GENERIC_SOURCES})
 set(wasm64_SOURCES ${GENERIC_SOURCES})
 
diff --git a/compiler-rt/lib/builtins/clear_cache.c b/compiler-rt/lib/builtins/clear_cache.c
index 3c6570db6d5f..e21ac08f8a61 100644
--- a/compiler-rt/lib/builtins/clear_cache.c
+++ b/compiler-rt/lib/builtins/clear_cache.c
@@ -165,7 +165,7 @@ void __clear_cache(void *start, void *end) {
   for (addr = xstart; addr < xend; addr += icache_line_size)
     __asm __volatile("ic ivau, %0" :: "r"(addr));
   __asm __volatile("isb sy");
-#elif defined (__powerpc64__) && defined(__LITTLE_ENDIAN__)
+#elif defined (__powerpc64__)
   const size_t line_size = 32;
   const size_t len = (uintptr_t)end - (uintptr_t)start;