diff options
Diffstat (limited to 'target-ppc/int_helper.c')
| -rw-r--r-- | target-ppc/int_helper.c | 19 |
1 files changed, 14 insertions, 5 deletions
diff --git a/target-ppc/int_helper.c b/target-ppc/int_helper.c index 0a55d5e54b..b122868108 100644 --- a/target-ppc/int_helper.c +++ b/target-ppc/int_helper.c @@ -2327,24 +2327,28 @@ void helper_vsbox(ppc_avr_t *r, ppc_avr_t *a) void helper_vcipher(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) { + ppc_avr_t result; int i; VECTOR_FOR_INORDER_I(i, u32) { - r->AVRW(i) = b->AVRW(i) ^ + result.AVRW(i) = b->AVRW(i) ^ (AES_Te0[a->AVRB(AES_shifts[4*i + 0])] ^ AES_Te1[a->AVRB(AES_shifts[4*i + 1])] ^ AES_Te2[a->AVRB(AES_shifts[4*i + 2])] ^ AES_Te3[a->AVRB(AES_shifts[4*i + 3])]); } + *r = result; } void helper_vcipherlast(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) { + ppc_avr_t result; int i; VECTOR_FOR_INORDER_I(i, u8) { - r->AVRB(i) = b->AVRB(i) ^ (AES_sbox[a->AVRB(AES_shifts[i])]); + result.AVRB(i) = b->AVRB(i) ^ (AES_sbox[a->AVRB(AES_shifts[i])]); } + *r = result; } void helper_vncipher(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) @@ -2369,11 +2373,13 @@ void helper_vncipher(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) void helper_vncipherlast(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) { + ppc_avr_t result; int i; VECTOR_FOR_INORDER_I(i, u8) { - r->AVRB(i) = b->AVRB(i) ^ (AES_isbox[a->AVRB(AES_ishifts[i])]); + result.AVRB(i) = b->AVRB(i) ^ (AES_isbox[a->AVRB(AES_ishifts[i])]); } + *r = result; } #define ROTRu32(v, n) (((v) >> (n)) | ((v) << (32-n))) @@ -2460,16 +2466,19 @@ void helper_vshasigmad(ppc_avr_t *r, ppc_avr_t *a, uint32_t st_six) void helper_vpermxor(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, ppc_avr_t *c) { + ppc_avr_t result; int i; + VECTOR_FOR_INORDER_I(i, u8) { int indexA = c->u8[i] >> 4; int indexB = c->u8[i] & 0xF; #if defined(HOST_WORDS_BIGENDIAN) - r->u8[i] = a->u8[indexA] ^ b->u8[indexB]; + result.u8[i] = a->u8[indexA] ^ b->u8[indexB]; #else - r->u8[i] = a->u8[15-indexA] ^ b->u8[15-indexB]; + result.u8[i] = a->u8[15-indexA] ^ b->u8[15-indexB]; #endif } + *r = result; } #undef VECTOR_FOR_INORDER_I |