MIPS: Replace JR/JALR with JIC/JIALC for r6 part 2

src/mips/assembler-mips.h

Index: src/mips/assembler-mips.h
diff --git a/src/mips/assembler-mips.h b/src/mips/assembler-mips.h
index 4c7ce389801b4ff03ce0c6f2ee812c4ab3b3eb54..9040a43692168ff62ed989deb40816a98c9f61d5 100644
--- a/src/mips/assembler-mips.h
+++ b/src/mips/assembler-mips.h
@@ -528,7 +528,11 @@ class Assembler : public AssemblerBase {
 
   // Distance between the instruction referring to the address of the call
   // target and the return address.
+#ifdef _MIPS_ARCH_MIPS32R6
+  static const int kCallTargetAddressOffset = 3 * kInstrSize;
+#else
   static const int kCallTargetAddressOffset = 4 * kInstrSize;
+#endif
 
   // Distance between start of patched debug break slot and the emitted address
   // to jump to.
@@ -538,7 +542,11 @@ class Assembler : public AssemblerBase {
   // register.
   static const int kPcLoadDelta = 4;
 
+#ifdef _MIPS_ARCH_MIPS32R6
+  static const int kDebugBreakSlotInstructions = 3;
+#else
   static const int kDebugBreakSlotInstructions = 4;
+#endif
   static const int kDebugBreakSlotLength =
       kDebugBreakSlotInstructions * kInstrSize;