diff --git a/src/jit_compiler_a64.cpp b/src/jit_compiler_a64.cpp
index f11db86..2de66d0 100644
--- a/src/jit_compiler_a64.cpp
+++ b/src/jit_compiler_a64.cpp
@@ -932,11 +932,8 @@ void JitCompilerA64::h_FDIV_M(Instruction& instr, uint32_t& codePos)
 	constexpr uint32_t tmp_reg_fp = 28;
 	emitMemLoadFP<tmp_reg_fp>(src, instr, code, k);
 
-	// and tmp_reg_fp, tmp_reg_fp, and_mask_reg
-	emit32(0x4E201C00 | tmp_reg_fp | (tmp_reg_fp << 5) | (29 << 16), code, k);
-
-	// orr tmp_reg_fp, tmp_reg_fp, or_mask_reg
-	emit32(0x4EA01C00 | tmp_reg_fp | (tmp_reg_fp << 5) | (30 << 16), code, k);
+	// bif tmp_reg_fp, or_mask_reg, and_mask_reg
+	emit32(0x6EE01C00 | tmp_reg_fp | (30 << 5) | (29 << 16), code, k);
 
 	emit32(ARMV8A::FDIV | dst | (dst << 5) | (tmp_reg_fp << 16), code, k);
 
diff --git a/src/jit_compiler_a64_static.S b/src/jit_compiler_a64_static.S
index bc14613..bad9db8 100644
--- a/src/jit_compiler_a64_static.S
+++ b/src/jit_compiler_a64_static.S
@@ -102,7 +102,7 @@
 # v26 -> "a2"
 # v27 -> "a3"
 # v28 -> temporary
-# v29 -> E 'and' mask = 0x00ffffffffffffff00ffffffffffffff
+# v29 -> E 'and' mask = 0x00ffffffffc0000000ffffffffc00000
 # v30 -> E 'or' mask  = 0x3*00000000******3*00000000******
 # v31 -> scale mask   = 0x81f000000000000081f0000000000000
 
@@ -144,7 +144,7 @@ DECL(randomx_program_aarch64):
 	ldp	q26, q27, [x0, 224]
 
 	# Load E 'and' mask
-	mov	x16, 0x00FFFFFFFFFFFFFF
+	mov	x16, 0x00FFFFFFFFC00000
 	ins	v29.d[0], x16
 	ins	v29.d[1], x16
 
@@ -257,14 +257,10 @@ DECL(randomx_program_aarch64_main_loop):
 	scvtf	v21.2d, v21.2d
 	scvtf	v22.2d, v22.2d
 	scvtf	v23.2d, v23.2d
-	and	v20.16b, v20.16b, v29.16b
-	and	v21.16b, v21.16b, v29.16b
-	and	v22.16b, v22.16b, v29.16b
-	and	v23.16b, v23.16b, v29.16b
-	orr	v20.16b, v20.16b, v30.16b
-	orr	v21.16b, v21.16b, v30.16b
-	orr	v22.16b, v22.16b, v30.16b
-	orr	v23.16b, v23.16b, v30.16b
+	bif	v20.16b, v30.16b, v29.16b
+	bif	v21.16b, v30.16b, v29.16b
+	bif	v22.16b, v30.16b, v29.16b
+	bif	v23.16b, v30.16b, v29.16b
 
 	# Execute VM instructions
 DECL(randomx_program_aarch64_vm_instructions):