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SP int ARMv6: clz not available, correct #if

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Checking for architecture less than 7 to use clz instruction when clz is
only guaranteed to be available in 7 or more. Reverse logic.
This commit is contained in:
Sean Parkinson
2023-04-27 09:41:31 +10:00
parent ca4a17ebf6
commit d901433999
1 changed files with 1 additions and 1 deletions
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wolfcrypt/src/sp_int.c
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@@ -1245,7 +1245,7 @@ static WC_INLINE sp_int_digit sp_div_word(sp_int_digit hi, sp_int_digit lo,
: [a] "r" (va), [b] "r" (vb), [c] "r" (vc) \
: "cc" \
)
#if defined(WOLFSSL_SP_ARM_ARCH) && (WOLFSSL_SP_ARM_ARCH < 7)
#if defined(WOLFSSL_SP_ARM_ARCH) && (WOLFSSL_SP_ARM_ARCH >= 7)
/* Count leading zeros - instruction only available on ARMv7 and newer. */
#define SP_ASM_LZCNT(va, vn) \
__asm__ __volatile__ ( \