diff --git a/ir.h b/ir.h
index a45e6b7..ab48778 100644
--- a/ir.h
+++ b/ir.h
@@ -507,6 +507,8 @@ void ir_strtab_free(ir_strtab *strtab);
 #define IR_GEN_NATIVE          (1<<19)
 #define IR_GEN_CODE            (1<<20) /* C or LLVM */
 
+#define IR_GEN_CACHE_DEMOTE    (1<<21) /* Demote the generated code from closest CPU caches */
+
 /* debug related */
 #ifdef IR_DEBUG
 # define IR_DEBUG_SCCP         (1<<27)
@@ -837,14 +839,15 @@ int ir_patch(const void *code, size_t size, uint32_t jmp_table_size, const void
 
 /* CPU information (implementation in ir_cpuinfo.c) */
 #if defined(IR_TARGET_X86) || defined(IR_TARGET_X64)
-# define IR_X86_SSE2  (1<<0)
-# define IR_X86_SSE3  (1<<1)
-# define IR_X86_SSSE3 (1<<2)
-# define IR_X86_SSE41 (1<<3)
-# define IR_X86_SSE42 (1<<4)
-# define IR_X86_AVX   (1<<5)
-# define IR_X86_AVX2  (1<<6)
-# define IR_X86_BMI1  (1<<7)
+# define IR_X86_SSE2     (1<<0)
+# define IR_X86_SSE3     (1<<1)
+# define IR_X86_SSSE3    (1<<2)
+# define IR_X86_SSE41    (1<<3)
+# define IR_X86_SSE42    (1<<4)
+# define IR_X86_AVX      (1<<5)
+# define IR_X86_AVX2     (1<<6)
+# define IR_X86_BMI1     (1<<7)
+# define IR_X86_CLDEMOTE (1<<8)
 #endif
 
 uint32_t ir_cpuinfo(void);
diff --git a/ir_cpuinfo.c b/ir_cpuinfo.c
index 9e0abda..c746c38 100644
--- a/ir_cpuinfo.c
+++ b/ir_cpuinfo.c
@@ -47,6 +47,7 @@ uint32_t ir_cpuinfo(void)
 	ir_cpuid_ex(info_0x7_0, 0x7, 0);
 	if (bit(info_0x7_0[1], 5U)) ret |= IR_X86_AVX2;
 	if (bit(info_0x7_0[1], 3U)) ret |= IR_X86_BMI1;
+	if (bit(info_0x7_0[2], 25U)) ret |= IR_X86_CLDEMOTE;
 
 #undef bit
 
diff --git a/ir_x86.dasc b/ir_x86.dasc
index 3a5b9a2..a0c63d4 100644
--- a/ir_x86.dasc
+++ b/ir_x86.dasc
@@ -9717,6 +9717,19 @@ next_block:;
 
 	ir_mem_flush(entry, size);
 
+#if defined(__GNUC__)
+	if ((ctx->flags & IR_GEN_CACHE_DEMOTE) && (ctx->mflags & IR_X86_CLDEMOTE)) {
+		uintptr_t start = (uintptr_t)entry;
+		uintptr_t p = (uintptr_t)start & ~0x3F;
+
+		do {
+			/* _cldemote(p); */
+			asm volatile(".byte 0x0f, 0x1c, 0x06" :: "S" (p));
+			p += 64;
+		} while (p < start + size);
+	}
+#endif
+
 	if (ctx->code_buffer == NULL) {
 		ir_mem_protect(entry, size);
 	}