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Fix compilation with GCC on aarch64

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Use unsigned NEON intrinsics everywhere

Fixes #1502
This commit is contained in:
Frank Denis
2026-01-07 10:57:10 +01:00
parent ecd927bf3e
commit 6702f69bef
1 changed files with 7 additions and 7 deletions
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src/libsodium/crypto_ipcrypt/ipcrypt_armcrypto.c
+7 -7
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@@ -37,7 +37,7 @@ typedef uint64x2_t BlockVec;
# define XOR128_3(a, b, c) veorq_u64(veorq_u64((a), (b)), (c))
# define SET64x2(a, b) vsetq_lane_u64((uint64_t) (a), vmovq_n_u64((uint64_t) (b)), 1)
# define BYTESHL128(a, b) \
vreinterpretq_u64_u8(vextq_s8(vdupq_n_s8(0), vreinterpretq_s8_u64(a), 16 - (b)))
vreinterpretq_u64_u8(vextq_u8(vdupq_n_u8(0), vreinterpretq_u8_u64(a), 16 - (b)))
# define AES_XENCRYPT(block_vec, rkey) \
vreinterpretq_u64_u8( \
@@ -348,12 +348,12 @@ pfx_set_bit(uint8_t ip16[16], const unsigned int bit_index, const uint8_t bit_va
static void
pfx_shift_left(uint8_t ip16[16])
{
BlockVec v = LOAD128(ip16);
const BlockVec shl = vshlq_n_u8(vreinterpretq_u8_u64(v), 1);
const BlockVec msb = vshrq_n_u8(vreinterpretq_u8_u64(v), 7);
const BlockVec zero = vdupq_n_u8(0);
const BlockVec carries = vextq_u8(vreinterpretq_u8_u64(msb), zero, 1);
v = vreinterpretq_u64_u8(vorrq_u8(shl, carries));
BlockVec v = LOAD128(ip16);
const uint8x16_t shl = vshlq_n_u8(vreinterpretq_u8_u64(v), 1);
const uint8x16_t msb = vshrq_n_u8(vreinterpretq_u8_u64(v), 7);
const uint8x16_t zero = vdupq_n_u8(0);
const uint8x16_t carries = vextq_u8(msb, zero, 1);
v = vreinterpretq_u64_u8(vorrq_u8(shl, carries));
STORE128(ip16, v);
}