Let's try doing this again

2024-05-21 09:30:13 +01:00
parent 7479ad46a6
commit 24f4f0270d
5 changed files with 242 additions and 1 deletions
--- a/src/backend/core/jit/helpers.hpp
+++ b/src/backend/core/jit/helpers.hpp
@@ -0,0 +1,23 @@
+#include <CpuDefinitions.hpp>
+
+namespace n64 {
+static inline bool SpecialEndsBlock(u32 instr) {
+  u8 mask = instr & 0x3F;
+  switch (mask) {
+  case JR: case JALR: case SYSCALL: case BREAK:
+  case TGE: case TGEU: case TLT: case TLTU: 
+  case TEQ: case TNE: return true;
+  default: return false;
+  }
+}
+
+static inline bool InstrEndsBlock(u32 instr) {
+  u8 mask = (instr >> 26) & 0x3f;
+  switch (mask) {
+  case SPECIAL: return SpecialEndsBlock(instr);
+  case REGIMM: case J: case JAL: case BEQ:
+  case BNE: case BLEZ: case BGTZ: case BEQL:
+  case BNEL: case BLEZL: case BGTZL: return true:
+  }
+}
+}