add support for riscv64 architecture

Forwarded: https://github.com/qtwebkit/qtwebkit/pull/982
Last-Update: 2020-04-28

Gbp-Pq: Name support_riscv64.diff

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 31a2ea1fd544ff142ea5f3fa9438a2ab43bb11ad..51647672999b03462dd15ae8a2db56a02027b653 100644 (file)
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -83,6 +83,8 @@ elseif (LOWERCASE_CMAKE_SYSTEM_PROCESSOR MATCHES "s390")
     set(WTF_CPU_S390 1)
 elseif (LOWERCASE_CMAKE_SYSTEM_PROCESSOR MATCHES "s390x")
     set(WTF_CPU_S390X 1)
+elseif (LOWERCASE_CMAKE_SYSTEM_PROCESSOR MATCHES "riscv64")
+    set(WTF_CPU_RISCV64 1)
 else ()
     message(FATAL_ERROR "Unknown CPU '${LOWERCASE_CMAKE_SYSTEM_PROCESSOR}'")
 endif ()

diff --git a/Source/JavaScriptCore/CMakeLists.txt b/Source/JavaScriptCore/CMakeLists.txt
index afd76ca1a1844e48b02d3d3895f104aad353dee5..3d184090dce7679d2699f39d2c1ca0baf422261b 100644 (file)
--- a/Source/JavaScriptCore/CMakeLists.txt
+++ b/Source/JavaScriptCore/CMakeLists.txt
@@ -1287,6 +1287,7 @@ elseif (WTF_CPU_S390)
 elseif (WTF_CPU_S390X)
 elseif (WTF_CPU_MIPS)
 elseif (WTF_CPU_SH4)
+elseif (WTF_CPU_RISCV64)
 elseif (WTF_CPU_X86)
 elseif (WTF_CPU_X86_64)
     if (MSVC AND ENABLE_JIT)

diff --git a/Source/WTF/wtf/Platform.h b/Source/WTF/wtf/Platform.h
index 5717f3ea1664eedce273760fcc22ec95ee9b5ea8..7aefa1bab50dcdf412745c6ecc56089287329c3d 100644 (file)
--- a/Source/WTF/wtf/Platform.h
+++ b/Source/WTF/wtf/Platform.h
@@ -176,6 +176,11 @@
 #define WTF_CPU_X86_SSE2 1
 #endif
 
+/* CPU(RISCV64) - RISCV64 */
+#if defined(__riscv) && defined(__riscv_xlen) && __riscv_xlen == 64
+#define WTF_CPU_RISCV64 1
+#endif
+
 /* CPU(ARM64) - Apple */
 #if (defined(__arm64__) && defined(__APPLE__)) || defined(__aarch64__)
 #define WTF_CPU_ARM64 1
@@ -707,7 +712,8 @@
     || CPU(S390X) \
     || CPU(MIPS64) \
     || CPU(PPC64) \
-    || CPU(PPC64LE)
+    || CPU(PPC64LE) \
+    || CPU(RISCV64)
 #define USE_JSVALUE64 1
 #else
 #define USE_JSVALUE32_64 1

diff --git a/Source/WTF/wtf/dtoa/utils.h b/Source/WTF/wtf/dtoa/utils.h
index 889642cee722667bd5962b122acf5d494229c9f7..176d5909f7d32734252b498ac213634a8b823569 100644 (file)
--- a/Source/WTF/wtf/dtoa/utils.h
+++ b/Source/WTF/wtf/dtoa/utils.h
@@ -49,7 +49,7 @@
 defined(__ARMEL__) || \
 defined(_MIPS_ARCH_MIPS32R2)
 #define DOUBLE_CONVERSION_CORRECT_DOUBLE_OPERATIONS 1
-#elif CPU(MIPS) || CPU(MIPS64) || CPU(PPC) || CPU(PPC64) || CPU(PPC64LE) || CPU(SH4) || CPU(S390) || CPU(S390X) || CPU(IA64) || CPU(ALPHA) || CPU(ARM64) || CPU(HPPA)
+#elif CPU(MIPS) || CPU(MIPS64) || CPU(PPC) || CPU(PPC64) || CPU(PPC64LE) || CPU(SH4) || CPU(S390) || CPU(S390X) || CPU(IA64) || CPU(ALPHA) || CPU(ARM64) || CPU(HPPA) || CPU(RISCV64)
 #define DOUBLE_CONVERSION_CORRECT_DOUBLE_OPERATIONS 1
 #elif defined(_M_IX86) || defined(__i386__)
 #if defined(_WIN32)