ARM asm: add "cc" to all clobber lists

Carry flags are more often than not affected by assembly code.
Carry wasn't in any inline assembly clobber list.
Always clobber "cc" to be safe.

Author: SparkiDev

wolfcrypt/src/port/arm/armv8-32-aes-asm_c.c

@@ -403,7 +403,7 @@ void AES_invert_key(unsigned char* ks_p, word32 rounds_p)
         "bne	L_AES_invert_key_mix_loop_%=\n\t"
         : [ks] "+r" (ks), [rounds] "+r" (rounds), [L_AES_ARM32_te] "+r" (L_AES_ARM32_te_c), [L_AES_ARM32_td] "+r" (L_AES_ARM32_td_c)
         :
-        : "memory", "r12", "lr", "r4", "r5", "r6", "r7", "r8", "r9", "r10", "r11"
+        : "memory", "r12", "lr", "r4", "r5", "r6", "r7", "r8", "r9", "r10", "r11", "cc"
     );
 }
 
@@ -924,7 +924,7 @@ void AES_set_encrypt_key(const unsigned char* key_p, word32 len_p, unsigned char
     "L_AES_set_encrypt_key_end_%=: \n\t"
         : [key] "+r" (key), [len] "+r" (len), [ks] "+r" (ks), [L_AES_ARM32_te] "+r" (L_AES_ARM32_te_c), [L_AES_ARM32_rcon] "+r" (L_AES_ARM32_rcon_c)
         :
-        : "memory", "r12", "lr", "r5", "r6", "r7", "r8"
+        : "memory", "r12", "lr", "r5", "r6", "r7", "r8", "cc"
     );
 }
 
@@ -1575,7 +1575,7 @@ void AES_encrypt_block(const uint32_t* te_p, int nr_p, int len_p, const uint32_t
         "eor	r7, r7, r11\n\t"
         : [te] "+r" (te), [nr] "+r" (nr), [len] "+r" (len), [ks] "+r" (ks)
         :
-        : "memory", "lr"
+        : "memory", "lr", "cc"
     );
 }
 
@@ -1824,7 +1824,7 @@ void AES_ECB_encrypt(const unsigned char* in_p, unsigned char* out_p, unsigned l
         "pop	{%[ks]}\n\t"
         : [in] "+r" (in), [out] "+r" (out), [len] "+r" (len), [ks] "+r" (ks), [nr] "+r" (nr), [L_AES_ARM32_te_ecb] "+r" (L_AES_ARM32_te_ecb_c)
         :
-        : "memory", "r12", "lr", "r6", "r7", "r8", "r9", "r10", "r11"
+        : "memory", "r12", "lr", "r6", "r7", "r8", "r9", "r10", "r11", "cc"
     );
 }
 
@@ -2090,7 +2090,7 @@ void AES_CBC_encrypt(const unsigned char* in_p, unsigned char* out_p, unsigned l
         "stm	r9, {r4, r5, r6, r7}\n\t"
         : [in] "+r" (in), [out] "+r" (out), [len] "+r" (len), [ks] "+r" (ks), [nr] "+r" (nr), [iv] "+r" (iv), [L_AES_ARM32_te_cbc] "+r" (L_AES_ARM32_te_cbc_c)
         :
-        : "memory", "r12", "lr", "r7", "r8", "r9", "r10", "r11"
+        : "memory", "r12", "lr", "r7", "r8", "r9", "r10", "r11", "cc"
     );
 }
 
@@ -2358,7 +2358,7 @@ void AES_CTR_encrypt(const unsigned char* in_p, unsigned char* out_p, unsigned l
         "stm	r8, {r4, r5, r6, r7}\n\t"
         : [in] "+r" (in), [out] "+r" (out), [len] "+r" (len), [ks] "+r" (ks), [nr] "+r" (nr), [ctr] "+r" (ctr), [L_AES_ARM32_te_ctr] "+r" (L_AES_ARM32_te_ctr_c)
         :
-        : "memory", "r12", "lr", "r7", "r8", "r9", "r10", "r11"
+        : "memory", "r12", "lr", "r7", "r8", "r9", "r10", "r11", "cc"
     );
 }
 
@@ -3011,7 +3011,7 @@ void AES_decrypt_block(const uint32_t* td_p, int nr_p, const uint8_t* td4_p)
         "eor	r7, r7, r11\n\t"
         : [td] "+r" (td), [nr] "+r" (nr), [td4] "+r" (td4)
         :
-        : "memory", "lr"
+        : "memory", "lr", "cc"
     );
 }
 
@@ -3293,7 +3293,7 @@ void AES_ECB_decrypt(const unsigned char* in_p, unsigned char* out_p, unsigned l
     "L_AES_ECB_decrypt_end_%=: \n\t"
         : [in] "+r" (in), [out] "+r" (out), [len] "+r" (len), [ks] "+r" (ks), [nr] "+r" (nr), [L_AES_ARM32_td_ecb] "+r" (L_AES_ARM32_td_ecb_c), [L_AES_ARM32_td4] "+r" (L_AES_ARM32_td4_c)
         :
-        : "memory", "r12", "lr", "r7", "r8", "r9", "r10", "r11"
+        : "memory", "r12", "lr", "r7", "r8", "r9", "r10", "r11", "cc"
     );
 }
 
@@ -3925,7 +3925,7 @@ void AES_CBC_decrypt(const unsigned char* in_p, unsigned char* out_p, unsigned l
         "pop	{%[ks]-r4}\n\t"
         : [in] "+r" (in), [out] "+r" (out), [len] "+r" (len), [ks] "+r" (ks), [nr] "+r" (nr), [iv] "+r" (iv), [L_AES_ARM32_td_ecb] "+r" (L_AES_ARM32_td_ecb_c), [L_AES_ARM32_td4] "+r" (L_AES_ARM32_td4_c)
         :
-        : "memory", "r12", "lr", "r8", "r9", "r10", "r11"
+        : "memory", "r12", "lr", "r8", "r9", "r10", "r11", "cc"
     );
 }
 
@@ -4523,7 +4523,7 @@ void GCM_gmult_len(unsigned char* x_p, const unsigned char** m_p, const unsigned
         "bne	L_GCM_gmult_len_start_block_%=\n\t"
         : [x] "+r" (x), [m] "+r" (m), [data] "+r" (data), [len] "+r" (len), [L_GCM_gmult_len_r] "+r" (L_GCM_gmult_len_r_c)
         :
-        : "memory", "r12", "lr", "r5", "r6", "r7", "r8", "r9", "r10", "r11"
+        : "memory", "r12", "lr", "r5", "r6", "r7", "r8", "r9", "r10", "r11", "cc"
     );
 }
 
@@ -4780,7 +4780,7 @@ void AES_GCM_encrypt(const unsigned char* in_p, unsigned char* out_p, unsigned l
         "stm	r8, {r4, r5, r6, r7}\n\t"
         : [in] "+r" (in), [out] "+r" (out), [len] "+r" (len), [ks] "+r" (ks), [nr] "+r" (nr), [ctr] "+r" (ctr), [L_AES_ARM32_te_gcm] "+r" (L_AES_ARM32_te_gcm_c)
         :
-        : "memory", "r12", "lr", "r7", "r8", "r9", "r10", "r11"
+        : "memory", "r12", "lr", "r7", "r8", "r9", "r10", "r11", "cc"
     );
 }