summaryrefslogtreecommitdiffstats
path: root/arch/x86/crypto
diff options
context:
space:
mode:
authorHerbert Xu <herbert@gondor.apana.org.au>2009-11-03 15:11:15 +0100
committerHerbert Xu <herbert@gondor.apana.org.au>2009-11-03 15:11:15 +0100
commit3b0d65969b549b796abc6f0230f6142fed365d49 (patch)
tree0cce8ac977df20e0902cda3d6092bcb6e90e03c1 /arch/x86/crypto
parentcrypto: ghash-intel - Hard-code pshufb (diff)
downloadlinux-3b0d65969b549b796abc6f0230f6142fed365d49.tar.xz
linux-3b0d65969b549b796abc6f0230f6142fed365d49.zip
crypto: ghash-intel - Add PSHUFB macros
Add PSHUFB macros instead of repeating byte sequences, suggested by Ingo. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Acked-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/crypto')
-rw-r--r--arch/x86/crypto/ghash-clmulni-intel_asm.S11
1 files changed, 6 insertions, 5 deletions
diff --git a/arch/x86/crypto/ghash-clmulni-intel_asm.S b/arch/x86/crypto/ghash-clmulni-intel_asm.S
index 71768d543dbb..59584982fb75 100644
--- a/arch/x86/crypto/ghash-clmulni-intel_asm.S
+++ b/arch/x86/crypto/ghash-clmulni-intel_asm.S
@@ -17,6 +17,7 @@
*/
#include <linux/linkage.h>
+#include <asm/i387.h>
.align 16
.Lbswap_mask:
@@ -101,7 +102,7 @@ ENTRY(clmul_ghash_mul)
movups (%rsi), SHASH
movaps .Lbswap_mask, BSWAP
# pshufb BSWAP, DATA
- .byte 0x66, 0x0f, 0x38, 0x00, 0xc5
+ PSHUFB_XMM5_XMM0
call __clmul_gf128mul_ble
# pshufb BSWAP, DATA
.byte 0x66, 0x0f, 0x38, 0x00, 0xc5
@@ -119,12 +120,12 @@ ENTRY(clmul_ghash_update)
movups (%rdi), DATA
movups (%rcx), SHASH
# pshufb BSWAP, DATA
- .byte 0x66, 0x0f, 0x38, 0x00, 0xc5
+ PSHUFB_XMM5_XMM0
.align 4
.Lupdate_loop:
movups (%rsi), IN1
# pshufb BSWAP, IN1
- .byte 0x66, 0x0f, 0x38, 0x00, 0xf5
+ PSHUFB_XMM5_XMM6
pxor IN1, DATA
call __clmul_gf128mul_ble
sub $16, %rdx
@@ -132,7 +133,7 @@ ENTRY(clmul_ghash_update)
cmp $16, %rdx
jge .Lupdate_loop
# pshufb BSWAP, DATA
- .byte 0x66, 0x0f, 0x38, 0x00, 0xc5
+ PSHUFB_XMM5_XMM0
movups DATA, (%rdi)
.Lupdate_just_ret:
ret
@@ -146,7 +147,7 @@ ENTRY(clmul_ghash_setkey)
movaps .Lbswap_mask, BSWAP
movups (%rsi), %xmm0
# pshufb BSWAP, %xmm0
- .byte 0x66, 0x0f, 0x38, 0x00, 0xc5
+ PSHUFB_XMM5_XMM0
movaps %xmm0, %xmm1
psllq $1, %xmm0
psrlq $63, %xmm1