Mailing List Archive

* cipher/rijndael-aesni.c (xts_gfmul_const): Fix array size from 16
to 2.
(_gcry_aes_aesni_xts_enc, _gcry_aes_aesni_xts_dec) [__x86_64__]: Add
8-block parallel code paths.
--

Signed-off-by: Jussi Kivilinna <jussi.kivilinna@iki.fi>
---
cipher/rijndael-aesni.c | 596 +++++++++++++++++++++++++++++++++++++++-
1 file changed, 595 insertions(+), 1 deletion(-)

diff --git a/cipher/rijndael-aesni.c b/cipher/rijndael-aesni.c
index 95ec4c2b..9dde0489 100644
--- a/cipher/rijndael-aesni.c
+++ b/cipher/rijndael-aesni.c
@@ -3661,7 +3661,7 @@ _gcry_aes_aesni_ocb_auth (gcry_cipher_hd_t c, const void *abuf_arg,
}


-static const u64 xts_gfmul_const[16] __attribute__ ((aligned (16))) =
+static const u64 xts_gfmul_const[2] __attribute__ ((aligned (16))) =
{ 0x87, 0x01 };


@@ -3683,6 +3683,303 @@ _gcry_aes_aesni_xts_enc (RIJNDAEL_context *ctx, unsigned char *tweak,
[gfmul] "m" (*xts_gfmul_const)
: "memory" );

+#ifdef __x86_64__
+ if (nblocks >= 8)
+ {
+ aesni_prepare_8_15_variable;
+
+ aesni_prepare_8_15();
+
+ for ( ;nblocks >= 8 ; nblocks -= 8 )
+ {
+ asm volatile ("pshufd $0x13, %%xmm5, %%xmm11\n\t"
+ "movdqu %[inbuf0], %%xmm1\n\t"
+ "pxor %%xmm5, %%xmm1\n\t"
+ "movdqa %%xmm5, %%xmm7\n\t"
+
+ "movdqa %%xmm11, %%xmm0\n\t"
+ "paddd %%xmm11, %%xmm11\n\t"
+ "psrad $31, %%xmm0\n\t"
+ "paddq %%xmm5, %%xmm5\n\t"
+ "pand %%xmm6, %%xmm0\n\t"
+ "pxor %%xmm0, %%xmm5\n\t"
+ :
+ : [inbuf0] "m" (*(inbuf + 0 * 16))
+ : "memory" );
+
+ asm volatile ("movdqu %[inbuf1], %%xmm2\n\t"
+ "pxor %%xmm5, %%xmm2\n\t"
+ "movdqa %%xmm5, %%xmm12\n\t"
+
+ "movdqa %%xmm11, %%xmm0\n\t"
+ "paddd %%xmm11, %%xmm11\n\t"
+ "psrad $31, %%xmm0\n\t"
+ "paddq %%xmm5, %%xmm5\n\t"
+ "pand %%xmm6, %%xmm0\n\t"
+ "pxor %%xmm0, %%xmm5\n\t"
+ :
+ : [inbuf1] "m" (*(inbuf + 1 * 16))
+ : "memory" );
+
+ asm volatile ("movdqu %[inbuf2], %%xmm3\n\t"
+ "pxor %%xmm5, %%xmm3\n\t"
+ "movdqa %%xmm5, %%xmm13\n\t"
+
+ "movdqa %%xmm11, %%xmm0\n\t"
+ "paddd %%xmm11, %%xmm11\n\t"
+ "psrad $31, %%xmm0\n\t"
+ "paddq %%xmm5, %%xmm5\n\t"
+ "pand %%xmm6, %%xmm0\n\t"
+ "pxor %%xmm0, %%xmm5\n\t"
+ :
+ : [inbuf2] "m" (*(inbuf + 2 * 16))
+ : "memory" );
+
+ asm volatile ("movdqu %[inbuf3], %%xmm4\n\t"
+ "pxor %%xmm5, %%xmm4\n\t"
+ "movdqa %%xmm5, %%xmm14\n\t"
+
+ "movdqa %%xmm11, %%xmm0\n\t"
+ "paddd %%xmm11, %%xmm11\n\t"
+ "psrad $31, %%xmm0\n\t"
+ "paddq %%xmm5, %%xmm5\n\t"
+ "pand %%xmm6, %%xmm0\n\t"
+ "pxor %%xmm0, %%xmm5\n\t"
+ :
+ : [inbuf3] "m" (*(inbuf + 3 * 16))
+ : "memory" );
+
+ asm volatile ("movdqu %[inbuf4], %%xmm8\n\t"
+ "pxor %%xmm5, %%xmm8\n\t"
+ "movdqa %%xmm5, %%xmm15\n\t"
+
+ "movdqa %%xmm11, %%xmm0\n\t"
+ "paddd %%xmm11, %%xmm11\n\t"
+ "psrad $31, %%xmm0\n\t"
+ "paddq %%xmm5, %%xmm5\n\t"
+ "pand %%xmm6, %%xmm0\n\t"
+ "pxor %%xmm0, %%xmm5\n\t"
+ :
+ : [inbuf4] "m" (*(inbuf + 4 * 16))
+ : "memory" );
+
+ asm volatile ("movdqu %[inbuf5], %%xmm9\n\t"
+ "pxor %%xmm5, %%xmm9\n\t"
+ "movdqu %%xmm5, %[outbuf5]\n\t"
+
+ "movdqa %%xmm11, %%xmm0\n\t"
+ "paddd %%xmm11, %%xmm11\n\t"
+ "psrad $31, %%xmm0\n\t"
+ "paddq %%xmm5, %%xmm5\n\t"
+ "pand %%xmm6, %%xmm0\n\t"
+ "pxor %%xmm0, %%xmm5\n\t"
+ : [outbuf5] "=m" (*(outbuf + 5 * 16))
+ : [inbuf5] "m" (*(inbuf + 5 * 16))
+ : "memory" );
+
+ asm volatile ("movdqu %[inbuf6], %%xmm10\n\t"
+ "pxor %%xmm5, %%xmm10\n\t"
+ "movdqu %%xmm5, %[outbuf6]\n\t"
+
+ "movdqa %%xmm11, %%xmm0\n\t"
+ "paddd %%xmm11, %%xmm11\n\t"
+ "psrad $31, %%xmm0\n\t"
+ "paddq %%xmm5, %%xmm5\n\t"
+ "pand %%xmm6, %%xmm0\n\t"
+ "pxor %%xmm0, %%xmm5\n\t"
+ : [outbuf6] "=m" (*(outbuf + 6 * 16))
+ : [inbuf6] "m" (*(inbuf + 6 * 16))
+ : "memory" );
+
+ asm volatile ("movdqa %%xmm11, %%xmm0\n\t"
+ "movdqu %[inbuf7], %%xmm11\n\t"
+ "pxor %%xmm5, %%xmm11\n\t"
+ "movdqu %%xmm5, %[outbuf7]\n\t"
+
+ "psrad $31, %%xmm0\n\t"
+ "paddq %%xmm5, %%xmm5\n\t"
+ "pand %%xmm6, %%xmm0\n\t"
+ "pxor %%xmm0, %%xmm5\n\t"
+ : [outbuf7] "=m" (*(outbuf + 7 * 16))
+ : [inbuf7] "m" (*(inbuf + 7 * 16))
+ : "memory" );
+
+ asm volatile ("cmpl $12, %[rounds]\n\t"
+ "movdqa (%[key]), %%xmm0\n\t"
+ "pxor %%xmm0, %%xmm1\n\t"
+ "pxor %%xmm0, %%xmm2\n\t"
+ "pxor %%xmm0, %%xmm3\n\t"
+ "pxor %%xmm0, %%xmm4\n\t"
+ "pxor %%xmm0, %%xmm8\n\t"
+ "pxor %%xmm0, %%xmm9\n\t"
+ "pxor %%xmm0, %%xmm10\n\t"
+ "pxor %%xmm0, %%xmm11\n\t"
+ "movdqa 0x10(%[key]), %%xmm0\n\t"
+ "aesenc %%xmm0, %%xmm1\n\t"
+ "aesenc %%xmm0, %%xmm2\n\t"
+ "aesenc %%xmm0, %%xmm3\n\t"
+ "aesenc %%xmm0, %%xmm4\n\t"
+ "aesenc %%xmm0, %%xmm8\n\t"
+ "aesenc %%xmm0, %%xmm9\n\t"
+ "aesenc %%xmm0, %%xmm10\n\t"
+ "aesenc %%xmm0, %%xmm11\n\t"
+ "movdqa 0x20(%[key]), %%xmm0\n\t"
+ "aesenc %%xmm0, %%xmm1\n\t"
+ "aesenc %%xmm0, %%xmm2\n\t"
+ "aesenc %%xmm0, %%xmm3\n\t"
+ "aesenc %%xmm0, %%xmm4\n\t"
+ "aesenc %%xmm0, %%xmm8\n\t"
+ "aesenc %%xmm0, %%xmm9\n\t"
+ "aesenc %%xmm0, %%xmm10\n\t"
+ "aesenc %%xmm0, %%xmm11\n\t"
+ "movdqa 0x30(%[key]), %%xmm0\n\t"
+ "aesenc %%xmm0, %%xmm1\n\t"
+ "aesenc %%xmm0, %%xmm2\n\t"
+ "aesenc %%xmm0, %%xmm3\n\t"
+ "aesenc %%xmm0, %%xmm4\n\t"
+ "aesenc %%xmm0, %%xmm8\n\t"
+ "aesenc %%xmm0, %%xmm9\n\t"
+ "aesenc %%xmm0, %%xmm10\n\t"
+ "aesenc %%xmm0, %%xmm11\n\t"
+ "movdqa 0x40(%[key]), %%xmm0\n\t"
+ "aesenc %%xmm0, %%xmm1\n\t"
+ "aesenc %%xmm0, %%xmm2\n\t"
+ "aesenc %%xmm0, %%xmm3\n\t"
+ "aesenc %%xmm0, %%xmm4\n\t"
+ "aesenc %%xmm0, %%xmm8\n\t"
+ "aesenc %%xmm0, %%xmm9\n\t"
+ "aesenc %%xmm0, %%xmm10\n\t"
+ "aesenc %%xmm0, %%xmm11\n\t"
+ "movdqa 0x50(%[key]), %%xmm0\n\t"
+ "aesenc %%xmm0, %%xmm1\n\t"
+ "aesenc %%xmm0, %%xmm2\n\t"
+ "aesenc %%xmm0, %%xmm3\n\t"
+ "aesenc %%xmm0, %%xmm4\n\t"
+ "aesenc %%xmm0, %%xmm8\n\t"
+ "aesenc %%xmm0, %%xmm9\n\t"
+ "aesenc %%xmm0, %%xmm10\n\t"
+ "aesenc %%xmm0, %%xmm11\n\t"
+ "movdqa 0x60(%[key]), %%xmm0\n\t"
+ "aesenc %%xmm0, %%xmm1\n\t"
+ "aesenc %%xmm0, %%xmm2\n\t"
+ "aesenc %%xmm0, %%xmm3\n\t"
+ "aesenc %%xmm0, %%xmm4\n\t"
+ "aesenc %%xmm0, %%xmm8\n\t"
+ "aesenc %%xmm0, %%xmm9\n\t"
+ "aesenc %%xmm0, %%xmm10\n\t"
+ "aesenc %%xmm0, %%xmm11\n\t"
+ "movdqa 0x70(%[key]), %%xmm0\n\t"
+ "aesenc %%xmm0, %%xmm1\n\t"
+ "aesenc %%xmm0, %%xmm2\n\t"
+ "aesenc %%xmm0, %%xmm3\n\t"
+ "aesenc %%xmm0, %%xmm4\n\t"
+ "aesenc %%xmm0, %%xmm8\n\t"
+ "aesenc %%xmm0, %%xmm9\n\t"
+ "aesenc %%xmm0, %%xmm10\n\t"
+ "aesenc %%xmm0, %%xmm11\n\t"
+ "movdqa 0x80(%[key]), %%xmm0\n\t"
+ "aesenc %%xmm0, %%xmm1\n\t"
+ "aesenc %%xmm0, %%xmm2\n\t"
+ "aesenc %%xmm0, %%xmm3\n\t"
+ "aesenc %%xmm0, %%xmm4\n\t"
+ "aesenc %%xmm0, %%xmm8\n\t"
+ "aesenc %%xmm0, %%xmm9\n\t"
+ "aesenc %%xmm0, %%xmm10\n\t"
+ "aesenc %%xmm0, %%xmm11\n\t"
+ "movdqa 0x90(%[key]), %%xmm0\n\t"
+ "aesenc %%xmm0, %%xmm1\n\t"
+ "aesenc %%xmm0, %%xmm2\n\t"
+ "aesenc %%xmm0, %%xmm3\n\t"
+ "aesenc %%xmm0, %%xmm4\n\t"
+ "aesenc %%xmm0, %%xmm8\n\t"
+ "aesenc %%xmm0, %%xmm9\n\t"
+ "aesenc %%xmm0, %%xmm10\n\t"
+ "aesenc %%xmm0, %%xmm11\n\t"
+ "movdqa 0xa0(%[key]), %%xmm0\n\t"
+ "jb .Lenclast%=\n\t"
+ "aesenc %%xmm0, %%xmm1\n\t"
+ "aesenc %%xmm0, %%xmm2\n\t"
+ "aesenc %%xmm0, %%xmm3\n\t"
+ "aesenc %%xmm0, %%xmm4\n\t"
+ "aesenc %%xmm0, %%xmm8\n\t"
+ "aesenc %%xmm0, %%xmm9\n\t"
+ "aesenc %%xmm0, %%xmm10\n\t"
+ "aesenc %%xmm0, %%xmm11\n\t"
+ "movdqa 0xb0(%[key]), %%xmm0\n\t"
+ "aesenc %%xmm0, %%xmm1\n\t"
+ "aesenc %%xmm0, %%xmm2\n\t"
+ "aesenc %%xmm0, %%xmm3\n\t"
+ "aesenc %%xmm0, %%xmm4\n\t"
+ "aesenc %%xmm0, %%xmm8\n\t"
+ "aesenc %%xmm0, %%xmm9\n\t"
+ "aesenc %%xmm0, %%xmm10\n\t"
+ "aesenc %%xmm0, %%xmm11\n\t"
+ "movdqa 0xc0(%[key]), %%xmm0\n\t"
+ "je .Lenclast%=\n\t"
+ "aesenc %%xmm0, %%xmm1\n\t"
+ "aesenc %%xmm0, %%xmm2\n\t"
+ "aesenc %%xmm0, %%xmm3\n\t"
+ "aesenc %%xmm0, %%xmm4\n\t"
+ "aesenc %%xmm0, %%xmm8\n\t"
+ "aesenc %%xmm0, %%xmm9\n\t"
+ "aesenc %%xmm0, %%xmm10\n\t"
+ "aesenc %%xmm0, %%xmm11\n\t"
+ "movdqa 0xd0(%[key]), %%xmm0\n\t"
+ "aesenc %%xmm0, %%xmm1\n\t"
+ "aesenc %%xmm0, %%xmm2\n\t"
+ "aesenc %%xmm0, %%xmm3\n\t"
+ "aesenc %%xmm0, %%xmm4\n\t"
+ "aesenc %%xmm0, %%xmm8\n\t"
+ "aesenc %%xmm0, %%xmm9\n\t"
+ "aesenc %%xmm0, %%xmm10\n\t"
+ "aesenc %%xmm0, %%xmm11\n\t"
+ "movdqa 0xe0(%[key]), %%xmm0\n\t"
+
+ ".Lenclast%=:\n\t"
+ :
+ : [key] "r" (ctx->keyschenc),
+ [rounds] "rm" (ctx->rounds)
+ : "cc", "memory");
+
+ asm volatile ("pxor %%xmm0, %%xmm7\n\t"
+ "pxor %%xmm0, %%xmm12\n\t"
+ "pxor %%xmm0, %%xmm13\n\t"
+ "pxor %%xmm0, %%xmm14\n\t"
+ "aesenclast %%xmm7, %%xmm1\n\t"
+ "aesenclast %%xmm12, %%xmm2\n\t"
+ "aesenclast %%xmm13, %%xmm3\n\t"
+ "aesenclast %%xmm14, %%xmm4\n\t"
+ "movdqu 5*16(%[outbuf]), %%xmm12\n\t"
+ "movdqu 6*16(%[outbuf]), %%xmm13\n\t"
+ "movdqu 7*16(%[outbuf]), %%xmm14\n\t"
+ "pxor %%xmm0, %%xmm15\n\t"
+ "pxor %%xmm0, %%xmm12\n\t"
+ "pxor %%xmm0, %%xmm13\n\t"
+ "pxor %%xmm0, %%xmm14\n\t"
+ "aesenclast %%xmm15, %%xmm8\n\t"
+ "aesenclast %%xmm12, %%xmm9\n\t"
+ "aesenclast %%xmm13, %%xmm10\n\t"
+ "aesenclast %%xmm14, %%xmm11\n\t"
+ "movdqu %%xmm1, 0*16(%[outbuf])\n\t"
+ "movdqu %%xmm2, 1*16(%[outbuf])\n\t"
+ "movdqu %%xmm3, 2*16(%[outbuf])\n\t"
+ "movdqu %%xmm4, 3*16(%[outbuf])\n\t"
+ "movdqu %%xmm8, 4*16(%[outbuf])\n\t"
+ "movdqu %%xmm9, 5*16(%[outbuf])\n\t"
+ "movdqu %%xmm10, 6*16(%[outbuf])\n\t"
+ "movdqu %%xmm11, 7*16(%[outbuf])\n\t"
+ :
+ : [outbuf] "r" (outbuf)
+ : "memory" );
+
+ outbuf += 8*BLOCKSIZE;
+ inbuf += 8*BLOCKSIZE;
+ }
+
+ aesni_cleanup_8_15();
+ }
+#endif
+
for ( ;nblocks >= 4; nblocks -= 4 )
{
asm volatile ("pshufd $0x13, %%xmm5, %%xmm4\n\t"
@@ -3827,6 +4124,303 @@ _gcry_aes_aesni_xts_dec (RIJNDAEL_context *ctx, unsigned char *tweak,
[gfmul] "m" (*xts_gfmul_const)
: "memory" );

+#ifdef __x86_64__
+ if (nblocks >= 8)
+ {
+ aesni_prepare_8_15_variable;
+
+ aesni_prepare_8_15();
+
+ for ( ;nblocks >= 8 ; nblocks -= 8 )
+ {
+ asm volatile ("pshufd $0x13, %%xmm5, %%xmm11\n\t"
+ "movdqu %[inbuf0], %%xmm1\n\t"
+ "pxor %%xmm5, %%xmm1\n\t"
+ "movdqa %%xmm5, %%xmm7\n\t"
+
+ "movdqa %%xmm11, %%xmm0\n\t"
+ "paddd %%xmm11, %%xmm11\n\t"
+ "psrad $31, %%xmm0\n\t"
+ "paddq %%xmm5, %%xmm5\n\t"
+ "pand %%xmm6, %%xmm0\n\t"
+ "pxor %%xmm0, %%xmm5\n\t"
+ :
+ : [inbuf0] "m" (*(inbuf + 0 * 16))
+ : "memory" );
+
+ asm volatile ("movdqu %[inbuf1], %%xmm2\n\t"
+ "pxor %%xmm5, %%xmm2\n\t"
+ "movdqa %%xmm5, %%xmm12\n\t"
+
+ "movdqa %%xmm11, %%xmm0\n\t"
+ "paddd %%xmm11, %%xmm11\n\t"
+ "psrad $31, %%xmm0\n\t"
+ "paddq %%xmm5, %%xmm5\n\t"
+ "pand %%xmm6, %%xmm0\n\t"
+ "pxor %%xmm0, %%xmm5\n\t"
+ :
+ : [inbuf1] "m" (*(inbuf + 1 * 16))
+ : "memory" );
+
+ asm volatile ("movdqu %[inbuf2], %%xmm3\n\t"
+ "pxor %%xmm5, %%xmm3\n\t"
+ "movdqa %%xmm5, %%xmm13\n\t"
+
+ "movdqa %%xmm11, %%xmm0\n\t"
+ "paddd %%xmm11, %%xmm11\n\t"
+ "psrad $31, %%xmm0\n\t"
+ "paddq %%xmm5, %%xmm5\n\t"
+ "pand %%xmm6, %%xmm0\n\t"
+ "pxor %%xmm0, %%xmm5\n\t"
+ :
+ : [inbuf2] "m" (*(inbuf + 2 * 16))
+ : "memory" );
+
+ asm volatile ("movdqu %[inbuf3], %%xmm4\n\t"
+ "pxor %%xmm5, %%xmm4\n\t"
+ "movdqa %%xmm5, %%xmm14\n\t"
+
+ "movdqa %%xmm11, %%xmm0\n\t"
+ "paddd %%xmm11, %%xmm11\n\t"
+ "psrad $31, %%xmm0\n\t"
+ "paddq %%xmm5, %%xmm5\n\t"
+ "pand %%xmm6, %%xmm0\n\t"
+ "pxor %%xmm0, %%xmm5\n\t"
+ :
+ : [inbuf3] "m" (*(inbuf + 3 * 16))
+ : "memory" );
+
+ asm volatile ("movdqu %[inbuf4], %%xmm8\n\t"
+ "pxor %%xmm5, %%xmm8\n\t"
+ "movdqa %%xmm5, %%xmm15\n\t"
+
+ "movdqa %%xmm11, %%xmm0\n\t"
+ "paddd %%xmm11, %%xmm11\n\t"
+ "psrad $31, %%xmm0\n\t"
+ "paddq %%xmm5, %%xmm5\n\t"
+ "pand %%xmm6, %%xmm0\n\t"
+ "pxor %%xmm0, %%xmm5\n\t"
+ :
+ : [inbuf4] "m" (*(inbuf + 4 * 16))
+ : "memory" );
+
+ asm volatile ("movdqu %[inbuf5], %%xmm9\n\t"
+ "pxor %%xmm5, %%xmm9\n\t"
+ "movdqu %%xmm5, %[outbuf5]\n\t"
+
+ "movdqa %%xmm11, %%xmm0\n\t"
+ "paddd %%xmm11, %%xmm11\n\t"
+ "psrad $31, %%xmm0\n\t"
+ "paddq %%xmm5, %%xmm5\n\t"
+ "pand %%xmm6, %%xmm0\n\t"
+ "pxor %%xmm0, %%xmm5\n\t"
+ : [outbuf5] "=m" (*(outbuf + 5 * 16))
+ : [inbuf5] "m" (*(inbuf + 5 * 16))
+ : "memory" );
+
+ asm volatile ("movdqu %[inbuf6], %%xmm10\n\t"
+ "pxor %%xmm5, %%xmm10\n\t"
+ "movdqu %%xmm5, %[outbuf6]\n\t"
+
+ "movdqa %%xmm11, %%xmm0\n\t"
+ "paddd %%xmm11, %%xmm11\n\t"
+ "psrad $31, %%xmm0\n\t"
+ "paddq %%xmm5, %%xmm5\n\t"
+ "pand %%xmm6, %%xmm0\n\t"
+ "pxor %%xmm0, %%xmm5\n\t"
+ : [outbuf6] "=m" (*(outbuf + 6 * 16))
+ : [inbuf6] "m" (*(inbuf + 6 * 16))
+ : "memory" );
+
+ asm volatile ("movdqa %%xmm11, %%xmm0\n\t"
+ "movdqu %[inbuf7], %%xmm11\n\t"
+ "pxor %%xmm5, %%xmm11\n\t"
+ "movdqu %%xmm5, %[outbuf7]\n\t"
+
+ "psrad $31, %%xmm0\n\t"
+ "paddq %%xmm5, %%xmm5\n\t"
+ "pand %%xmm6, %%xmm0\n\t"
+ "pxor %%xmm0, %%xmm5\n\t"
+ : [outbuf7] "=m" (*(outbuf + 7 * 16))
+ : [inbuf7] "m" (*(inbuf + 7 * 16))
+ : "memory" );
+
+ asm volatile ("cmpl $12, %[rounds]\n\t"
+ "movdqa (%[key]), %%xmm0\n\t"
+ "pxor %%xmm0, %%xmm1\n\t"
+ "pxor %%xmm0, %%xmm2\n\t"
+ "pxor %%xmm0, %%xmm3\n\t"
+ "pxor %%xmm0, %%xmm4\n\t"
+ "pxor %%xmm0, %%xmm8\n\t"
+ "pxor %%xmm0, %%xmm9\n\t"
+ "pxor %%xmm0, %%xmm10\n\t"
+ "pxor %%xmm0, %%xmm11\n\t"
+ "movdqa 0x10(%[key]), %%xmm0\n\t"
+ "aesdec %%xmm0, %%xmm1\n\t"
+ "aesdec %%xmm0, %%xmm2\n\t"
+ "aesdec %%xmm0, %%xmm3\n\t"
+ "aesdec %%xmm0, %%xmm4\n\t"
+ "aesdec %%xmm0, %%xmm8\n\t"
+ "aesdec %%xmm0, %%xmm9\n\t"
+ "aesdec %%xmm0, %%xmm10\n\t"
+ "aesdec %%xmm0, %%xmm11\n\t"
+ "movdqa 0x20(%[key]), %%xmm0\n\t"
+ "aesdec %%xmm0, %%xmm1\n\t"
+ "aesdec %%xmm0, %%xmm2\n\t"
+ "aesdec %%xmm0, %%xmm3\n\t"
+ "aesdec %%xmm0, %%xmm4\n\t"
+ "aesdec %%xmm0, %%xmm8\n\t"
+ "aesdec %%xmm0, %%xmm9\n\t"
+ "aesdec %%xmm0, %%xmm10\n\t"
+ "aesdec %%xmm0, %%xmm11\n\t"
+ "movdqa 0x30(%[key]), %%xmm0\n\t"
+ "aesdec %%xmm0, %%xmm1\n\t"
+ "aesdec %%xmm0, %%xmm2\n\t"
+ "aesdec %%xmm0, %%xmm3\n\t"
+ "aesdec %%xmm0, %%xmm4\n\t"
+ "aesdec %%xmm0, %%xmm8\n\t"
+ "aesdec %%xmm0, %%xmm9\n\t"
+ "aesdec %%xmm0, %%xmm10\n\t"
+ "aesdec %%xmm0, %%xmm11\n\t"
+ "movdqa 0x40(%[key]), %%xmm0\n\t"
+ "aesdec %%xmm0, %%xmm1\n\t"
+ "aesdec %%xmm0, %%xmm2\n\t"
+ "aesdec %%xmm0, %%xmm3\n\t"
+ "aesdec %%xmm0, %%xmm4\n\t"
+ "aesdec %%xmm0, %%xmm8\n\t"
+ "aesdec %%xmm0, %%xmm9\n\t"
+ "aesdec %%xmm0, %%xmm10\n\t"
+ "aesdec %%xmm0, %%xmm11\n\t"
+ "movdqa 0x50(%[key]), %%xmm0\n\t"
+ "aesdec %%xmm0, %%xmm1\n\t"
+ "aesdec %%xmm0, %%xmm2\n\t"
+ "aesdec %%xmm0, %%xmm3\n\t"
+ "aesdec %%xmm0, %%xmm4\n\t"
+ "aesdec %%xmm0, %%xmm8\n\t"
+ "aesdec %%xmm0, %%xmm9\n\t"
+ "aesdec %%xmm0, %%xmm10\n\t"
+ "aesdec %%xmm0, %%xmm11\n\t"
+ "movdqa 0x60(%[key]), %%xmm0\n\t"
+ "aesdec %%xmm0, %%xmm1\n\t"
+ "aesdec %%xmm0, %%xmm2\n\t"
+ "aesdec %%xmm0, %%xmm3\n\t"
+ "aesdec %%xmm0, %%xmm4\n\t"
+ "aesdec %%xmm0, %%xmm8\n\t"
+ "aesdec %%xmm0, %%xmm9\n\t"
+ "aesdec %%xmm0, %%xmm10\n\t"
+ "aesdec %%xmm0, %%xmm11\n\t"
+ "movdqa 0x70(%[key]), %%xmm0\n\t"
+ "aesdec %%xmm0, %%xmm1\n\t"
+ "aesdec %%xmm0, %%xmm2\n\t"
+ "aesdec %%xmm0, %%xmm3\n\t"
+ "aesdec %%xmm0, %%xmm4\n\t"
+ "aesdec %%xmm0, %%xmm8\n\t"
+ "aesdec %%xmm0, %%xmm9\n\t"
+ "aesdec %%xmm0, %%xmm10\n\t"
+ "aesdec %%xmm0, %%xmm11\n\t"
+ "movdqa 0x80(%[key]), %%xmm0\n\t"
+ "aesdec %%xmm0, %%xmm1\n\t"
+ "aesdec %%xmm0, %%xmm2\n\t"
+ "aesdec %%xmm0, %%xmm3\n\t"
+ "aesdec %%xmm0, %%xmm4\n\t"
+ "aesdec %%xmm0, %%xmm8\n\t"
+ "aesdec %%xmm0, %%xmm9\n\t"
+ "aesdec %%xmm0, %%xmm10\n\t"
+ "aesdec %%xmm0, %%xmm11\n\t"
+ "movdqa 0x90(%[key]), %%xmm0\n\t"
+ "aesdec %%xmm0, %%xmm1\n\t"
+ "aesdec %%xmm0, %%xmm2\n\t"
+ "aesdec %%xmm0, %%xmm3\n\t"
+ "aesdec %%xmm0, %%xmm4\n\t"
+ "aesdec %%xmm0, %%xmm8\n\t"
+ "aesdec %%xmm0, %%xmm9\n\t"
+ "aesdec %%xmm0, %%xmm10\n\t"
+ "aesdec %%xmm0, %%xmm11\n\t"
+ "movdqa 0xa0(%[key]), %%xmm0\n\t"
+ "jb .Ldeclast%=\n\t"
+ "aesdec %%xmm0, %%xmm1\n\t"
+ "aesdec %%xmm0, %%xmm2\n\t"
+ "aesdec %%xmm0, %%xmm3\n\t"
+ "aesdec %%xmm0, %%xmm4\n\t"
+ "aesdec %%xmm0, %%xmm8\n\t"
+ "aesdec %%xmm0, %%xmm9\n\t"
+ "aesdec %%xmm0, %%xmm10\n\t"
+ "aesdec %%xmm0, %%xmm11\n\t"
+ "movdqa 0xb0(%[key]), %%xmm0\n\t"
+ "aesdec %%xmm0, %%xmm1\n\t"
+ "aesdec %%xmm0, %%xmm2\n\t"
+ "aesdec %%xmm0, %%xmm3\n\t"
+ "aesdec %%xmm0, %%xmm4\n\t"
+ "aesdec %%xmm0, %%xmm8\n\t"
+ "aesdec %%xmm0, %%xmm9\n\t"
+ "aesdec %%xmm0, %%xmm10\n\t"
+ "aesdec %%xmm0, %%xmm11\n\t"
+ "movdqa 0xc0(%[key]), %%xmm0\n\t"
+ "je .Ldeclast%=\n\t"
+ "aesdec %%xmm0, %%xmm1\n\t"
+ "aesdec %%xmm0, %%xmm2\n\t"
+ "aesdec %%xmm0, %%xmm3\n\t"
+ "aesdec %%xmm0, %%xmm4\n\t"
+ "aesdec %%xmm0, %%xmm8\n\t"
+ "aesdec %%xmm0, %%xmm9\n\t"
+ "aesdec %%xmm0, %%xmm10\n\t"
+ "aesdec %%xmm0, %%xmm11\n\t"
+ "movdqa 0xd0(%[key]), %%xmm0\n\t"
+ "aesdec %%xmm0, %%xmm1\n\t"
+ "aesdec %%xmm0, %%xmm2\n\t"
+ "aesdec %%xmm0, %%xmm3\n\t"
+ "aesdec %%xmm0, %%xmm4\n\t"
+ "aesdec %%xmm0, %%xmm8\n\t"
+ "aesdec %%xmm0, %%xmm9\n\t"
+ "aesdec %%xmm0, %%xmm10\n\t"
+ "aesdec %%xmm0, %%xmm11\n\t"
+ "movdqa 0xe0(%[key]), %%xmm0\n\t"
+
+ ".Ldeclast%=:\n\t"
+ :
+ : [key] "r" (ctx->keyschdec),
+ [rounds] "rm" (ctx->rounds)
+ : "cc", "memory");
+
+ asm volatile ("pxor %%xmm0, %%xmm7\n\t"
+ "pxor %%xmm0, %%xmm12\n\t"
+ "pxor %%xmm0, %%xmm13\n\t"
+ "pxor %%xmm0, %%xmm14\n\t"
+ "aesdeclast %%xmm7, %%xmm1\n\t"
+ "aesdeclast %%xmm12, %%xmm2\n\t"
+ "aesdeclast %%xmm13, %%xmm3\n\t"
+ "aesdeclast %%xmm14, %%xmm4\n\t"
+ "movdqu 5*16(%[outbuf]), %%xmm12\n\t"
+ "movdqu 6*16(%[outbuf]), %%xmm13\n\t"
+ "movdqu 7*16(%[outbuf]), %%xmm14\n\t"
+ "pxor %%xmm0, %%xmm15\n\t"
+ "pxor %%xmm0, %%xmm12\n\t"
+ "pxor %%xmm0, %%xmm13\n\t"
+ "pxor %%xmm0, %%xmm14\n\t"
+ "aesdeclast %%xmm15, %%xmm8\n\t"
+ "aesdeclast %%xmm12, %%xmm9\n\t"
+ "aesdeclast %%xmm13, %%xmm10\n\t"
+ "aesdeclast %%xmm14, %%xmm11\n\t"
+ "movdqu %%xmm1, 0*16(%[outbuf])\n\t"
+ "movdqu %%xmm2, 1*16(%[outbuf])\n\t"
+ "movdqu %%xmm3, 2*16(%[outbuf])\n\t"
+ "movdqu %%xmm4, 3*16(%[outbuf])\n\t"
+ "movdqu %%xmm8, 4*16(%[outbuf])\n\t"
+ "movdqu %%xmm9, 5*16(%[outbuf])\n\t"
+ "movdqu %%xmm10, 6*16(%[outbuf])\n\t"
+ "movdqu %%xmm11, 7*16(%[outbuf])\n\t"
+ :
+ : [outbuf] "r" (outbuf)
+ : "memory" );
+
+ outbuf += 8*BLOCKSIZE;
+ inbuf += 8*BLOCKSIZE;
+ }
+
+ aesni_cleanup_8_15();
+ }
+#endif
+
for ( ;nblocks >= 4; nblocks -= 4 )
{
asm volatile ("pshufd $0x13, %%xmm5, %%xmm4\n\t"
--
2.27.0


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