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AES ARMASM <ARMV7: fix load order

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Loading from memory based on register that is overwritten in ldrd.
When ldrd split out for older processors, register overwritten before
second load.
Switch order of loads in this case.
This commit is contained in:
Sean Parkinson
2023-03-20 11:51:25 +10:00
parent 09dd9a0ca3
commit 4eeb792a05
1 changed files with 1 additions and 1 deletions
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2
wolfcrypt/src/port/arm/armv8-32-aes-asm.S
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@@ -704,8 +704,8 @@ L_AES_set_encrypt_key_start_192:
ldrd r6, r7, [r0, #8] ldrd r6, r7, [r0, #8]
#endif #endif
#if defined(WOLFSSL_SP_ARM_ARCH) && (WOLFSSL_SP_ARM_ARCH < 7) #if defined(WOLFSSL_SP_ARM_ARCH) && (WOLFSSL_SP_ARM_ARCH < 7)
ldr r0, [r0, #16]
ldr r1, [r0, #20] ldr r1, [r0, #20]
ldr r0, [r0, #16]
#else #else
ldrd r0, r1, [r0, #16] ldrd r0, r1, [r0, #16]
#endif #endif