From: Alberto Garcia <berto@igalia.com>
Subject: Restore removed SPARC code
Bug: https://bugs.webkit.org/show_bug.cgi?id=124941
Index: webkitgtk/Source/WTF/wtf/Platform.h
===================================================================
--- webkitgtk.orig/Source/WTF/wtf/Platform.h
+++ webkitgtk/Source/WTF/wtf/Platform.h
@@ -138,6 +138,23 @@
 #define WTF_CPU_SH4 1
 #endif
 
+/* CPU(SPARC32) - SPARC 32-bit */
+#if defined(__sparc) && !defined(__arch64__) || defined(__sparcv8)
+#define WTF_CPU_SPARC32 1
+#define WTF_CPU_BIG_ENDIAN 1
+#endif
+
+/* CPU(SPARC64) - SPARC 64-bit */
+#if defined(__sparc__) && defined(__arch64__) || defined (__sparcv9)
+#define WTF_CPU_SPARC64 1
+#define WTF_CPU_BIG_ENDIAN 1
+#endif
+
+/* CPU(SPARC) - any SPARC, true for CPU(SPARC32) and CPU(SPARC64) */
+#if CPU(SPARC32) || CPU(SPARC64)
+#define WTF_CPU_SPARC 1
+#endif
+
 /* CPU(S390X) - S390 64-bit */
 #if defined(__s390x__)
 #define WTF_CPU_S390X 1
@@ -333,7 +350,7 @@
 
 #endif /* ARM */
 
-#if CPU(ARM) || CPU(MIPS) || CPU(SH4)
+#if CPU(ARM) || CPU(MIPS) || CPU(SH4) || CPU(SPARC)
 #define WTF_CPU_NEEDS_ALIGNED_ACCESS 1
 #endif
 
@@ -643,6 +660,7 @@
     || (CPU(IA64) && !CPU(IA64_32)) \
     || CPU(ALPHA) \
     || CPU(ARM64) \
+    || CPU(SPARC64) \
     || CPU(S390X) \
     || CPU(PPC64) \
     || CPU(PPC64LE)
Index: webkitgtk/Source/WTF/wtf/dtoa/utils.h
===================================================================
--- webkitgtk.orig/Source/WTF/wtf/dtoa/utils.h
+++ webkitgtk/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(PPC) || CPU(PPC64) || CPU(PPC64LE) || OS(WINCE) || CPU(SH4) || CPU(S390) || CPU(S390X) || CPU(IA64) || CPU(ALPHA) || CPU(ARM64) || CPU(HPPA)
+#elif CPU(MIPS) || CPU(PPC) || CPU(PPC64) || CPU(PPC64LE) || OS(WINCE) || CPU(SH4) || CPU(S390) || CPU(S390X) || CPU(IA64) || CPU(SPARC) || CPU(ALPHA) || CPU(ARM64) || CPU(HPPA)
 #define DOUBLE_CONVERSION_CORRECT_DOUBLE_OPERATIONS 1
 #elif defined(_M_IX86) || defined(__i386__)
 #if defined(_WIN32)