Remove unused option

Author: vacantron

Makefile

@@ -140,17 +140,13 @@ endif
 ifneq ("$(LLVM_CONFIG)", "")
 ifneq ("$(findstring -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS, "$(shell $(LLVM_CONFIG) --cflags)")", "")
 ENABLE_T2C := 1
-ENABLE_JIT_CACHE := 1
 $(call set-feature, T2C)
-$(call set-feature, JIT_CACHE)
 OBJS_EXT += t2c.o
 CFLAGS += -g $(shell $(LLVM_CONFIG) --cflags)
 LDFLAGS += $(shell $(LLVM_CONFIG) --libs)
 else
 ENABLE_T2C := 0
-ENABLE_JIT_CACHE := 0
 $(call set-feature, T2C)
-$(call set-feature, JIT_CACHE)
 $(warning No llvm-config-17 installed. Check llvm-config-17 installation in advance)
 endif
 endif

src/jit.h

@@ -54,7 +54,6 @@ typedef void (*exec_block_func_t)(riscv_t *rv, uintptr_t);
 void t2c_compile(riscv_t *, block_t *);
 typedef void (*exec_t2c_func_t)(riscv_t *);
 
-#if RV32_HAS(JIT_CACHE)
 /* The jit-cache records the program counters and the entries of executable
  * instructions generated by T2C. Like hardware cache, the old jit-cache will be
  * replaced by the new one which uses the same slot.
@@ -75,4 +74,3 @@ void jit_cache_exit(struct jit_cache *cache);
 void jit_cache_update(struct jit_cache *cache, uint32_t pc, void *entry);
 void jit_cache_clear(struct jit_cache *cache);
 #endif
-#endif

src/t2c.c

@@ -315,7 +315,6 @@ void t2c_compile(riscv_t *rv, block_t *block)
     block->hot2 = true;
 }
 
-#if RV32_HAS(JIT_CACHE)
 struct jit_cache *jit_cache_init()
 {
     return calloc(N_JIT_CACHE_ENTRIES, sizeof(struct jit_cache));
@@ -338,4 +337,3 @@ void jit_cache_clear(struct jit_cache *cache)
 {
     memset(cache, 0, N_JIT_CACHE_ENTRIES * sizeof(struct jit_cache));
 }
-#endif