diff options
| author | Herbert Xu <herbert@gondor.apana.org.au> | 2009-11-01 12:49:44 -0500 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2009-11-01 12:49:44 -0500 |
| commit | 2d06ef7f42ed8c9969c9aa84e95df5d5c6378327 (patch) | |
| tree | 20ff0f62949a957225cd1a021e20464cf85247a4 | |
| parent | 3e02e5cb47e049727a26c9c110867a26972bd0d6 (diff) | |
crypto: ghash-intel - Hard-code pshufb
Old gases don't have a clue what pshufb stands for so we have
to hard-code it for now.
Reported-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
| -rw-r--r-- | arch/x86/crypto/ghash-clmulni-intel_asm.S | 18 |
1 files changed, 12 insertions, 6 deletions
diff --git a/arch/x86/crypto/ghash-clmulni-intel_asm.S b/arch/x86/crypto/ghash-clmulni-intel_asm.S index b9e787a511d..71768d543db 100644 --- a/arch/x86/crypto/ghash-clmulni-intel_asm.S +++ b/arch/x86/crypto/ghash-clmulni-intel_asm.S @@ -100,9 +100,11 @@ ENTRY(clmul_ghash_mul) movups (%rdi), DATA movups (%rsi), SHASH movaps .Lbswap_mask, BSWAP - pshufb BSWAP, DATA + # pshufb BSWAP, DATA + .byte 0x66, 0x0f, 0x38, 0x00, 0xc5 call __clmul_gf128mul_ble - pshufb BSWAP, DATA + # pshufb BSWAP, DATA + .byte 0x66, 0x0f, 0x38, 0x00, 0xc5 movups DATA, (%rdi) ret @@ -116,18 +118,21 @@ ENTRY(clmul_ghash_update) movaps .Lbswap_mask, BSWAP movups (%rdi), DATA movups (%rcx), SHASH - pshufb BSWAP, DATA + # pshufb BSWAP, DATA + .byte 0x66, 0x0f, 0x38, 0x00, 0xc5 .align 4 .Lupdate_loop: movups (%rsi), IN1 - pshufb BSWAP, IN1 + # pshufb BSWAP, IN1 + .byte 0x66, 0x0f, 0x38, 0x00, 0xf5 pxor IN1, DATA call __clmul_gf128mul_ble sub $16, %rdx add $16, %rsi cmp $16, %rdx jge .Lupdate_loop - pshufb BSWAP, DATA + # pshufb BSWAP, DATA + .byte 0x66, 0x0f, 0x38, 0x00, 0xc5 movups DATA, (%rdi) .Lupdate_just_ret: ret @@ -140,7 +145,8 @@ ENTRY(clmul_ghash_update) ENTRY(clmul_ghash_setkey) movaps .Lbswap_mask, BSWAP movups (%rsi), %xmm0 - pshufb BSWAP, %xmm0 + # pshufb BSWAP, %xmm0 + .byte 0x66, 0x0f, 0x38, 0x00, 0xc5 movaps %xmm0, %xmm1 psllq $1, %xmm0 psrlq $63, %xmm1 |