Contribution of PowerPC port.

src/jsregexp.cc

Index: src/jsregexp.cc
diff --git a/src/jsregexp.cc b/src/jsregexp.cc
index 1566293d7affe5e40eafb03c9367f2f6ae1bf58a..0db7e5afd8eec3f4a969892dc2626cff0b3649b3 100644
--- a/src/jsregexp.cc
+++ b/src/jsregexp.cc
@@ -30,6 +30,8 @@
 #include "src/arm64/regexp-macro-assembler-arm64.h"  // NOLINT
 #elif V8_TARGET_ARCH_ARM
 #include "src/arm/regexp-macro-assembler-arm.h"  // NOLINT
+#elif V8_TARGET_ARCH_PPC
+#include "src/ppc/regexp-macro-assembler-ppc.h"  // NOLINT
 #elif V8_TARGET_ARCH_MIPS
 #include "src/mips/regexp-macro-assembler-mips.h"  // NOLINT
 #elif V8_TARGET_ARCH_MIPS64
@@ -6068,6 +6070,9 @@ RegExpEngine::CompilationResult RegExpEngine::Compile(
 #elif V8_TARGET_ARCH_ARM64
   RegExpMacroAssemblerARM64 macro_assembler(mode, (data->capture_count + 1) * 2,
                                             zone);
+#elif V8_TARGET_ARCH_PPC
+  RegExpMacroAssemblerPPC macro_assembler(mode, (data->capture_count + 1) * 2,
+                                            zone);
 #elif V8_TARGET_ARCH_MIPS
   RegExpMacroAssemblerMIPS macro_assembler(mode, (data->capture_count + 1) * 2,
                                            zone);