From 1896b1491b327d9bdc2ead27dacc47f3c73fdce2 Mon Sep 17 00:00:00 2001
From: Doug Rabson <dfr@rabson.org>
Date: Mon, 4 Apr 2022 21:45:01 +0100
Subject: [PATCH] fix __ctzdi2 for values with non-zero low 32 bits (fixes
 #765) (#766)

---
 src/rp2_common/pico_bit_ops/bit_ops_aeabi.S | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/rp2_common/pico_bit_ops/bit_ops_aeabi.S b/src/rp2_common/pico_bit_ops/bit_ops_aeabi.S
index eba839e..7b83edb 100644
--- a/src/rp2_common/pico_bit_ops/bit_ops_aeabi.S
+++ b/src/rp2_common/pico_bit_ops/bit_ops_aeabi.S
@@ -85,7 +85,7 @@ wrapper_func __ctzdi2
     ldr r3, =aeabi_bits_funcs
     ldr r3, [r3, #CTZ32]
     cmp r0, #0
-    bne 1f
+    beq 1f
     bx r3
 1:
     push {lr}