ARM32 SHA-3 ASM: fix ldrd/strd for ARMv6 #7697
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LDRD/STRD not available with ARMv6 and the alternative is two ldr/str operations. Pointer was 64-bits causing second ldr/str to be 8 bytes passed first and not 4 bytes. Fixed in asm to add 4 rather than index.
SparkiDev
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JacobBarthelmeh
approved these changes
Jul 2, 2024
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Description
LDRD/STRD not available with ARMv6 and the alternative is two ldr/str operations. Pointer was 64-bits causing second ldr/str to be 8 bytes passed first and not 4 bytes. Fixed in asm to add 4 rather than index.
Testing
./configure 'CC=arm-linux-gnueabi-gcc' '--host=armv6' '--disable-shared' 'LDFLAGS=--static' '--enable-armasm' '--enable-sha3'
./wolfcrypt/test/testwolfcrypt
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