From 685afa230291d64f350afbfdfa8fc82536d99f82 Mon Sep 17 00:00:00 2001
From: ptitSeb <sebastien.chev@gmail.com>
Date: Sun, 8 Jun 2025 14:16:45 +0200
Subject: [DYNAREC] Modified JumpTable slightly so 32bits and 48bits address
 space jmp can be done with only 2 and 3 memory fetch (todo: RV64 and LA64
 handling of 48bits)

---
 src/include/custommem.h | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

(limited to 'src/include')

diff --git a/src/include/custommem.h b/src/include/custommem.h
index 4bfcc98a..d7b79296 100644
--- a/src/include/custommem.h
+++ b/src/include/custommem.h
@@ -47,13 +47,15 @@ void setJumpTableDefault64(void* addr);
 void setJumpTableDefaultRef64(void* addr, void* jmp);
 int isJumpTableDefault64(void* addr);
 uintptr_t getJumpTable64(void);
+uintptr_t getJumpTable48(void);
 uintptr_t getJumpTable32(void);
 uintptr_t getJumpTableAddress64(uintptr_t addr);
 uintptr_t getJumpAddress64(uintptr_t addr);
 
 #ifdef SAVE_MEM
+#define JMPTABL_SHIFTMAX   JMPTABL_SHIFT4
 #define JMPTABL_SHIFT4 16
-#define JMPTABL_SHIFT3 14
+#define JMPTABL_SHIFT3 16
 #define JMPTABL_SHIFT2 12
 #define JMPTABL_SHIFT1 12
 #define JMPTABL_SHIFT0 10
@@ -68,10 +70,11 @@ uintptr_t getJumpAddress64(uintptr_t addr);
 #define JMPTABLE_MASK1 ((1<<JMPTABL_SHIFT1)-1)
 #define JMPTABLE_MASK0 ((1<<JMPTABL_SHIFT0)-1)
 #else
+#define JMPTABL_SHIFTMAX   JMPTABL_SHIFT3
 #define JMPTABL_SHIFT3 16
-#define JMPTABL_SHIFT2 18
+#define JMPTABL_SHIFT2 16
 #define JMPTABL_SHIFT1 18
-#define JMPTABL_SHIFT0 12
+#define JMPTABL_SHIFT0 14
 #define JMPTABL_START3 (JMPTABL_START2+JMPTABL_SHIFT2)
 #define JMPTABL_START2 (JMPTABL_START1+JMPTABL_SHIFT1)
 #define JMPTABL_START1 (JMPTABL_START0+JMPTABL_SHIFT0)
-- 
cgit 1.4.1