/* Assembly for field multiplication */ #include "crypto_asm_hidden.h" .p2align 4 ASM_HIDDEN _CRYPTO_SHARED_NAMESPACE(fe25519_mul) .globl _CRYPTO_SHARED_NAMESPACE(fe25519_mul) ASM_HIDDEN CRYPTO_SHARED_NAMESPACE(fe25519_mul) .globl CRYPTO_SHARED_NAMESPACE(fe25519_mul) _CRYPTO_SHARED_NAMESPACE(fe25519_mul): CRYPTO_SHARED_NAMESPACE(fe25519_mul): ldp x3, x4, [x1, #0] ldp x5, x6, [x1, #16] ldp x7, x16, [x2, #0] ldp x17, x18, [x2, #16] mov x2, #38 mul x8, x4, x18 mul x1, x5, x17 adds x8, x8, x1 cset x9, cs mul x1, x6, x16 adds x8, x8, x1 adc x9, x9, xzr umulh x1, x3, x18 adds x8, x8, x1 adc x9, x9, xzr umulh x1, x4, x17 adds x8, x8, x1 adc x9, x9, xzr umulh x1, x5, x16 adds x8, x8, x1 adc x9, x9, xzr umulh x1, x6, x7 adds x10, x8, x1 adc x9, x9, xzr mul x8, x2, x10 umulh x10, x2, x10 mul x9, x2, x9 add x9, x9, x10 mul x1, x3, x7 adds x8, x8, x1 adc x9, x9, xzr mul x10, x5, x18 mul x1, x6, x17 adds x10, x10, x1 cset x11, cs umulh x1, x4, x18 adds x10, x10, x1 adc x11, x11, xzr umulh x1, x5, x17 adds x10, x10, x1 adc x11, x11, xzr umulh x1, x6, x16 adds x12, x10, x1 adc x11, x11, xzr mul x10, x2, x12 umulh x12, x2, x12 mul x11, x2, x11 add x11, x11, x12 mul x1, x3, x16 adds x10, x10, x1 adc x11, x11, xzr mul x1, x4, x7 adds x10, x10, x1 adc x11, x11, xzr umulh x1, x3, x7 adds x10, x10, x1 adc x11, x11, xzr mul x12, x6, x18 umulh x1, x5, x18 adds x12, x12, x1 cset x13, cs umulh x1, x6, x17 adds x14, x12, x1 adc x13, x13, xzr mul x12, x2, x14 umulh x14, x2, x14 mul x13, x2, x13 add x13, x13, x14 mul x1, x3, x17 adds x12, x12, x1 adc x13, x13, xzr mul x1, x4, x16 adds x12, x12, x1 adc x13, x13, xzr mul x1, x5, x7 adds x12, x12, x1 adc x13, x13, xzr umulh x1, x3, x16 adds x12, x12, x1 adc x13, x13, xzr umulh x1, x4, x7 adds x12, x12, x1 adc x13, x13, xzr umulh x15, x6, x18 mul x14, x2, x15 umulh x15, x2, x15 mul x1, x3, x18 adds x14, x14, x1 adc x15, x15, xzr mul x1, x4, x17 adds x14, x14, x1 adc x15, x15, xzr mul x1, x5, x16 adds x14, x14, x1 adc x15, x15, xzr mul x1, x6, x7 adds x14, x14, x1 adc x15, x15, xzr umulh x1, x3, x17 adds x14, x14, x1 adc x15, x15, xzr umulh x1, x4, x16 adds x14, x14, x1 adc x15, x15, xzr umulh x1, x5, x7 adds x14, x14, x1 adc x15, x15, xzr adds x10, x10, x9 adcs x12, x12, x11 adcs x14, x14, x13 adc x15, x15, xzr cmn x14, x14 adc x15, x15, x15 mov x18, #19 mul x15, x15, x18 bic x14, x14, #0x8000000000000000 adds x8, x8, x15 adcs x10, x10, xzr adcs x12, x12, xzr adc x14, x14, xzr stp x8, x10, [x0, #0] stp x12, x14, [x0, #16] ret .section .note.GNU-stack,"",@progbits