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Donenfeld" To: linux-kernel@vger.kernel.org, netdev@vger.kernel.org, davem@davemloft.net Cc: "Jason A. Donenfeld" , Andy Lutomirski , Greg KH , Samuel Neves , Jean-Philippe Aumasson , Andy Polyakov , Thomas Gleixner , Ingo Molnar , x86@kernel.org, linux-crypto@vger.kernel.org Subject: [PATCH v2 05/17] zinc: ChaCha20 x86_64 implementation Date: Fri, 24 Aug 2018 15:38:37 -0600 Message-Id: <20180824213849.23647-6-Jason@zx2c4.com> In-Reply-To: <20180824213849.23647-1-Jason@zx2c4.com> References: <20180824213849.23647-1-Jason@zx2c4.com> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This provides SSSE3, AVX-2, AVX-512F, and AVX-512VL implementations for ChaCha20. The AVX-512F implementation is disabled on Skylake, due to throttling, and the VL ymm implementation is used instead. These come from Andy Polyakov's implementation, with some heavy modifications from Samuel Neves and me. Signed-off-by: Jason A. Donenfeld Cc: Andy Lutomirski Cc: Greg KH Cc: Samuel Neves Cc: Jean-Philippe Aumasson Cc: Andy Polyakov Cc: Thomas Gleixner Cc: Ingo Molnar Cc: x86@kernel.org Cc: linux-crypto@vger.kernel.org --- lib/zinc/Makefile | 4 + lib/zinc/chacha20/chacha20-x86_64-glue.h | 84 + lib/zinc/chacha20/chacha20-x86_64.S | 2630 ++++++++++++++++++++++ 3 files changed, 2718 insertions(+) create mode 100644 lib/zinc/chacha20/chacha20-x86_64-glue.h create mode 100644 lib/zinc/chacha20/chacha20-x86_64.S -- 2.18.0 diff --git a/lib/zinc/Makefile b/lib/zinc/Makefile index 87be627f3354..fc6ca1c84cd1 100644 --- a/lib/zinc/Makefile +++ b/lib/zinc/Makefile @@ -4,6 +4,10 @@ ccflags-y += -D'pr_fmt(fmt)=KBUILD_MODNAME ": " fmt' ifeq ($(CONFIG_ZINC_CHACHA20),y) zinc-y += chacha20/chacha20.o +ifeq ($(CONFIG_X86_64),y) +zinc-y += chacha20/chacha20-x86_64.o +CFLAGS_chacha20.o += -include $(srctree)/$(src)/chacha20/chacha20-x86_64-glue.h +endif ifeq ($(CONFIG_ARM),y) zinc-y += chacha20/chacha20-arm.o CFLAGS_chacha20.o += -include $(srctree)/$(src)/chacha20/chacha20-arm-glue.h diff --git a/lib/zinc/chacha20/chacha20-x86_64-glue.h b/lib/zinc/chacha20/chacha20-x86_64-glue.h new file mode 100644 index 000000000000..ece8279e93e0 --- /dev/null +++ b/lib/zinc/chacha20/chacha20-x86_64-glue.h @@ -0,0 +1,84 @@ +/* SPDX-License-Identifier: GPL-2.0 + * + * Copyright (C) 2015-2018 Jason A. Donenfeld . All Rights Reserved. + */ + +#include +#include +#include +#include +#include + +#ifdef CONFIG_AS_SSSE3 +asmlinkage void hchacha20_ssse3(u8 *derived_key, const u8 *nonce, const u8 *key); +asmlinkage void chacha20_ssse3(u8 *out, const u8 *in, const size_t len, const u32 key[8], const u32 counter[4]); +#endif +#ifdef CONFIG_AS_AVX2 +asmlinkage void chacha20_avx2(u8 *out, const u8 *in, const size_t len, const u32 key[8], const u32 counter[4]); +#endif +#ifdef CONFIG_AS_AVX512 +asmlinkage void chacha20_avx512(u8 *out, const u8 *in, const size_t len, const u32 key[8], const u32 counter[4]); +asmlinkage void chacha20_avx512vl(u8 *out, const u8 *in, const size_t len, const u32 key[8], const u32 counter[4]); +#endif + +static bool chacha20_use_ssse3 __ro_after_init; +static bool chacha20_use_avx2 __ro_after_init; +static bool chacha20_use_avx512 __ro_after_init; +static bool chacha20_use_avx512vl __ro_after_init; + +void __init chacha20_fpu_init(void) +{ +#ifndef CONFIG_UML + chacha20_use_ssse3 = boot_cpu_has(X86_FEATURE_SSSE3); + chacha20_use_avx2 = boot_cpu_has(X86_FEATURE_AVX) && boot_cpu_has(X86_FEATURE_AVX2) && + cpu_has_xfeatures(XFEATURE_MASK_SSE | XFEATURE_MASK_YMM, NULL); + chacha20_use_avx512 = boot_cpu_has(X86_FEATURE_AVX) && boot_cpu_has(X86_FEATURE_AVX2) && boot_cpu_has(X86_FEATURE_AVX512F) && + cpu_has_xfeatures(XFEATURE_MASK_SSE | XFEATURE_MASK_YMM | XFEATURE_MASK_AVX512, NULL) && + boot_cpu_data.x86_model != INTEL_FAM6_SKYLAKE_X; + chacha20_use_avx512vl = boot_cpu_has(X86_FEATURE_AVX) && boot_cpu_has(X86_FEATURE_AVX2) && boot_cpu_has(X86_FEATURE_AVX512F) && boot_cpu_has(X86_FEATURE_AVX512VL) && + cpu_has_xfeatures(XFEATURE_MASK_SSE | XFEATURE_MASK_YMM | XFEATURE_MASK_AVX512, NULL); +#endif +} + +static inline bool chacha20_arch(u8 *dst, const u8 *src, const size_t len, const u32 key[8], const u32 counter[4], simd_context_t simd_context) +{ + if (simd_context != HAVE_FULL_SIMD) + return false; + +#ifdef CONFIG_AS_AVX512 + if (chacha20_use_avx512) { + chacha20_avx512(dst, src, len, key, counter); + return true; + } + if (chacha20_use_avx512vl) { + chacha20_avx512vl(dst, src, len, key, counter); + return true; + } +#endif +#ifdef CONFIG_AS_AVX2 + if (chacha20_use_avx2) { + chacha20_avx2(dst, src, len, key, counter); + return true; + } +#endif +#ifdef CONFIG_AS_SSSE3 + if (chacha20_use_ssse3) { + chacha20_ssse3(dst, src, len, key, counter); + return true; + } +#endif + return false; +} + +static inline bool hchacha20_arch(u8 *derived_key, const u8 *nonce, const u8 *key, simd_context_t simd_context) +{ +#if defined(CONFIG_AS_SSSE3) + if (simd_context == HAVE_FULL_SIMD && chacha20_use_ssse3) { + hchacha20_ssse3(derived_key, nonce, key); + return true; + } +#endif + return false; +} + +#define HAVE_CHACHA20_ARCH_IMPLEMENTATION diff --git a/lib/zinc/chacha20/chacha20-x86_64.S b/lib/zinc/chacha20/chacha20-x86_64.S new file mode 100644 index 000000000000..39883f3718b6 --- /dev/null +++ b/lib/zinc/chacha20/chacha20-x86_64.S @@ -0,0 +1,2630 @@ +/* SPDX-License-Identifier: OpenSSL OR (BSD-3-Clause OR GPL-2.0) + * + * Copyright (C) 2017 Samuel Neves . All Rights Reserved. + * Copyright (C) 2015-2018 Jason A. Donenfeld . All Rights Reserved. + * Copyright 2016 The OpenSSL Project Authors. All Rights Reserved. + */ + +#include + +.section .rodata.cst16.Lzero, "aM", @progbits, 16 +.align 16 +.Lzero: +.long 0,0,0,0 +.section .rodata.cst16.Lone, "aM", @progbits, 16 +.align 16 +.Lone: +.long 1,0,0,0 +.section .rodata.cst16.Linc, "aM", @progbits, 16 +.align 16 +.Linc: +.long 0,1,2,3 +.section .rodata.cst16.Lfour, "aM", @progbits, 16 +.align 16 +.Lfour: +.long 4,4,4,4 +.section .rodata.cst32.Lincy, "aM", @progbits, 32 +.align 32 +.Lincy: +.long 0,2,4,6,1,3,5,7 +.section .rodata.cst32.Leight, "aM", @progbits, 32 +.align 32 +.Leight: +.long 8,8,8,8,8,8,8,8 +.section .rodata.cst16.Lrot16, "aM", @progbits, 16 +.align 16 +.Lrot16: +.byte 0x2,0x3,0x0,0x1, 0x6,0x7,0x4,0x5, 0xa,0xb,0x8,0x9, 0xe,0xf,0xc,0xd +.section .rodata.cst16.Lrot24, "aM", @progbits, 16 +.align 16 +.Lrot24: +.byte 0x3,0x0,0x1,0x2, 0x7,0x4,0x5,0x6, 0xb,0x8,0x9,0xa, 0xf,0xc,0xd,0xe +.section .rodata.cst16.Lsigma, "aM", @progbits, 16 +.align 16 +.Lsigma: +.byte 101,120,112,97,110,100,32,51,50,45,98,121,116,101,32,107,0 +.section .rodata.cst64.Lzeroz, "aM", @progbits, 64 +.align 64 +.Lzeroz: +.long 0,0,0,0, 1,0,0,0, 2,0,0,0, 3,0,0,0 +.section .rodata.cst64.Lfourz, "aM", @progbits, 64 +.align 64 +.Lfourz: +.long 4,0,0,0, 4,0,0,0, 4,0,0,0, 4,0,0,0 +.section .rodata.cst64.Lincz, "aM", @progbits, 64 +.align 64 +.Lincz: +.long 0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15 +.section .rodata.cst64.Lsixteen, "aM", @progbits, 64 +.align 64 +.Lsixteen: +.long 16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16 +.section .rodata.cst32.Ltwoy, "aM", @progbits, 32 +.align 64 +.Ltwoy: +.long 2,0,0,0, 2,0,0,0 + +.text + +#ifdef CONFIG_AS_SSSE3 +.align 32 +ENTRY(hchacha20_ssse3) + movdqa .Lsigma(%rip),%xmm0 + movdqu (%rdx),%xmm1 + movdqu 16(%rdx),%xmm2 + movdqu (%rsi),%xmm3 + movdqa .Lrot16(%rip),%xmm6 + movdqa .Lrot24(%rip),%xmm7 + movq $10,%r8 + .align 32 +.Loop_hssse3: + paddd %xmm1,%xmm0 + pxor %xmm0,%xmm3 + pshufb %xmm6,%xmm3 + paddd %xmm3,%xmm2 + pxor %xmm2,%xmm1 + movdqa %xmm1,%xmm4 + psrld $20,%xmm1 + pslld $12,%xmm4 + por %xmm4,%xmm1 + paddd %xmm1,%xmm0 + pxor %xmm0,%xmm3 + pshufb %xmm7,%xmm3 + paddd %xmm3,%xmm2 + pxor %xmm2,%xmm1 + movdqa %xmm1,%xmm4 + psrld $25,%xmm1 + pslld $7,%xmm4 + por %xmm4,%xmm1 + pshufd $78,%xmm2,%xmm2 + pshufd $57,%xmm1,%xmm1 + pshufd $147,%xmm3,%xmm3 + nop + paddd %xmm1,%xmm0 + pxor %xmm0,%xmm3 + pshufb %xmm6,%xmm3 + paddd %xmm3,%xmm2 + pxor %xmm2,%xmm1 + movdqa %xmm1,%xmm4 + psrld $20,%xmm1 + pslld $12,%xmm4 + por %xmm4,%xmm1 + paddd %xmm1,%xmm0 + pxor %xmm0,%xmm3 + pshufb %xmm7,%xmm3 + paddd %xmm3,%xmm2 + pxor %xmm2,%xmm1 + movdqa %xmm1,%xmm4 + psrld $25,%xmm1 + pslld $7,%xmm4 + por %xmm4,%xmm1 + pshufd $78,%xmm2,%xmm2 + pshufd $147,%xmm1,%xmm1 + pshufd $57,%xmm3,%xmm3 + decq %r8 + jnz .Loop_hssse3 + movdqu %xmm0,0(%rdi) + movdqu %xmm3,16(%rdi) + ret +ENDPROC(hchacha20_ssse3) + +.align 32 +ENTRY(chacha20_ssse3) +.Lchacha20_ssse3: + cmpq $0,%rdx + je .Lssse3_epilogue + leaq 8(%rsp),%r10 + + cmpq $128,%rdx + ja .Lchacha20_4x + +.Ldo_sse3_after_all: + subq $64+8,%rsp + andq $-32,%rsp + movdqa .Lsigma(%rip),%xmm0 + movdqu (%rcx),%xmm1 + movdqu 16(%rcx),%xmm2 + movdqu (%r8),%xmm3 + movdqa .Lrot16(%rip),%xmm6 + movdqa .Lrot24(%rip),%xmm7 + + movdqa %xmm0,0(%rsp) + movdqa %xmm1,16(%rsp) + movdqa %xmm2,32(%rsp) + movdqa %xmm3,48(%rsp) + movq $10,%r8 + jmp .Loop_ssse3 + +.align 32 +.Loop_outer_ssse3: + movdqa .Lone(%rip),%xmm3 + movdqa 0(%rsp),%xmm0 + movdqa 16(%rsp),%xmm1 + movdqa 32(%rsp),%xmm2 + paddd 48(%rsp),%xmm3 + movq $10,%r8 + movdqa %xmm3,48(%rsp) + jmp .Loop_ssse3 + +.align 32 +.Loop_ssse3: + paddd %xmm1,%xmm0 + pxor %xmm0,%xmm3 + pshufb %xmm6,%xmm3 + paddd %xmm3,%xmm2 + pxor %xmm2,%xmm1 + movdqa %xmm1,%xmm4 + psrld $20,%xmm1 + pslld $12,%xmm4 + por %xmm4,%xmm1 + paddd %xmm1,%xmm0 + pxor %xmm0,%xmm3 + pshufb %xmm7,%xmm3 + paddd %xmm3,%xmm2 + pxor %xmm2,%xmm1 + movdqa %xmm1,%xmm4 + psrld $25,%xmm1 + pslld $7,%xmm4 + por %xmm4,%xmm1 + pshufd $78,%xmm2,%xmm2 + pshufd $57,%xmm1,%xmm1 + pshufd $147,%xmm3,%xmm3 + nop + paddd %xmm1,%xmm0 + pxor %xmm0,%xmm3 + pshufb %xmm6,%xmm3 + paddd %xmm3,%xmm2 + pxor %xmm2,%xmm1 + movdqa %xmm1,%xmm4 + psrld $20,%xmm1 + pslld $12,%xmm4 + por %xmm4,%xmm1 + paddd %xmm1,%xmm0 + pxor %xmm0,%xmm3 + pshufb %xmm7,%xmm3 + paddd %xmm3,%xmm2 + pxor %xmm2,%xmm1 + movdqa %xmm1,%xmm4 + psrld $25,%xmm1 + pslld $7,%xmm4 + por %xmm4,%xmm1 + pshufd $78,%xmm2,%xmm2 + pshufd $147,%xmm1,%xmm1 + pshufd $57,%xmm3,%xmm3 + decq %r8 + jnz .Loop_ssse3 + paddd 0(%rsp),%xmm0 + paddd 16(%rsp),%xmm1 + paddd 32(%rsp),%xmm2 + paddd 48(%rsp),%xmm3 + + cmpq $64,%rdx + jb .Ltail_ssse3 + + movdqu 0(%rsi),%xmm4 + movdqu 16(%rsi),%xmm5 + pxor %xmm4,%xmm0 + movdqu 32(%rsi),%xmm4 + pxor %xmm5,%xmm1 + movdqu 48(%rsi),%xmm5 + leaq 64(%rsi),%rsi + pxor %xmm4,%xmm2 + pxor %xmm5,%xmm3 + + movdqu %xmm0,0(%rdi) + movdqu %xmm1,16(%rdi) + movdqu %xmm2,32(%rdi) + movdqu %xmm3,48(%rdi) + leaq 64(%rdi),%rdi + + subq $64,%rdx + jnz .Loop_outer_ssse3 + + jmp .Ldone_ssse3 + +.align 16 +.Ltail_ssse3: + movdqa %xmm0,0(%rsp) + movdqa %xmm1,16(%rsp) + movdqa %xmm2,32(%rsp) + movdqa %xmm3,48(%rsp) + xorq %r8,%r8 + +.Loop_tail_ssse3: + movzbl (%rsi,%r8,1),%eax + movzbl (%rsp,%r8,1),%ecx + leaq 1(%r8),%r8 + xorl %ecx,%eax + movb %al,-1(%rdi,%r8,1) + decq %rdx + jnz .Loop_tail_ssse3 + +.Ldone_ssse3: + leaq -8(%r10),%rsp + +.Lssse3_epilogue: + ret + +.align 32 +.Lchacha20_4x: + leaq 8(%rsp),%r10 + +.Lproceed4x: + subq $0x140+8,%rsp + andq $-32,%rsp + movdqa .Lsigma(%rip),%xmm11 + movdqu (%rcx),%xmm15 + movdqu 16(%rcx),%xmm7 + movdqu (%r8),%xmm3 + leaq 256(%rsp),%rcx + leaq .Lrot16(%rip),%r9 + leaq .Lrot24(%rip),%r11 + + pshufd $0x00,%xmm11,%xmm8 + pshufd $0x55,%xmm11,%xmm9 + movdqa %xmm8,64(%rsp) + pshufd $0xaa,%xmm11,%xmm10 + movdqa %xmm9,80(%rsp) + pshufd $0xff,%xmm11,%xmm11 + movdqa %xmm10,96(%rsp) + movdqa %xmm11,112(%rsp) + + pshufd $0x00,%xmm15,%xmm12 + pshufd $0x55,%xmm15,%xmm13 + movdqa %xmm12,128-256(%rcx) + pshufd $0xaa,%xmm15,%xmm14 + movdqa %xmm13,144-256(%rcx) + pshufd $0xff,%xmm15,%xmm15 + movdqa %xmm14,160-256(%rcx) + movdqa %xmm15,176-256(%rcx) + + pshufd $0x00,%xmm7,%xmm4 + pshufd $0x55,%xmm7,%xmm5 + movdqa %xmm4,192-256(%rcx) + pshufd $0xaa,%xmm7,%xmm6 + movdqa %xmm5,208-256(%rcx) + pshufd $0xff,%xmm7,%xmm7 + movdqa %xmm6,224-256(%rcx) + movdqa %xmm7,240-256(%rcx) + + pshufd $0x00,%xmm3,%xmm0 + pshufd $0x55,%xmm3,%xmm1 + paddd .Linc(%rip),%xmm0 + pshufd $0xaa,%xmm3,%xmm2 + movdqa %xmm1,272-256(%rcx) + pshufd $0xff,%xmm3,%xmm3 + movdqa %xmm2,288-256(%rcx) + movdqa %xmm3,304-256(%rcx) + + jmp .Loop_enter4x + +.align 32 +.Loop_outer4x: + movdqa 64(%rsp),%xmm8 + movdqa 80(%rsp),%xmm9 + movdqa 96(%rsp),%xmm10 + movdqa 112(%rsp),%xmm11 + movdqa 128-256(%rcx),%xmm12 + movdqa 144-256(%rcx),%xmm13 + movdqa 160-256(%rcx),%xmm14 + movdqa 176-256(%rcx),%xmm15 + movdqa 192-256(%rcx),%xmm4 + movdqa 208-256(%rcx),%xmm5 + movdqa 224-256(%rcx),%xmm6 + movdqa 240-256(%rcx),%xmm7 + movdqa 256-256(%rcx),%xmm0 + movdqa 272-256(%rcx),%xmm1 + movdqa 288-256(%rcx),%xmm2 + movdqa 304-256(%rcx),%xmm3 + paddd .Lfour(%rip),%xmm0 + +.Loop_enter4x: + movdqa %xmm6,32(%rsp) + movdqa %xmm7,48(%rsp) + movdqa (%r9),%xmm7 + movl $10,%eax + movdqa %xmm0,256-256(%rcx) + jmp .Loop4x + +.align 32 +.Loop4x: + paddd %xmm12,%xmm8 + paddd %xmm13,%xmm9 + pxor %xmm8,%xmm0 + pxor %xmm9,%xmm1 + pshufb %xmm7,%xmm0 + pshufb %xmm7,%xmm1 + paddd %xmm0,%xmm4 + paddd %xmm1,%xmm5 + pxor %xmm4,%xmm12 + pxor %xmm5,%xmm13 + movdqa %xmm12,%xmm6 + pslld $12,%xmm12 + psrld $20,%xmm6 + movdqa %xmm13,%xmm7 + pslld $12,%xmm13 + por %xmm6,%xmm12 + psrld $20,%xmm7 + movdqa (%r11),%xmm6 + por %xmm7,%xmm13 + paddd %xmm12,%xmm8 + paddd %xmm13,%xmm9 + pxor %xmm8,%xmm0 + pxor %xmm9,%xmm1 + pshufb %xmm6,%xmm0 + pshufb %xmm6,%xmm1 + paddd %xmm0,%xmm4 + paddd %xmm1,%xmm5 + pxor %xmm4,%xmm12 + pxor %xmm5,%xmm13 + movdqa %xmm12,%xmm7 + pslld $7,%xmm12 + psrld $25,%xmm7 + movdqa %xmm13,%xmm6 + pslld $7,%xmm13 + por %xmm7,%xmm12 + psrld $25,%xmm6 + movdqa (%r9),%xmm7 + por %xmm6,%xmm13 + movdqa %xmm4,0(%rsp) + movdqa %xmm5,16(%rsp) + movdqa 32(%rsp),%xmm4 + movdqa 48(%rsp),%xmm5 + paddd %xmm14,%xmm10 + paddd %xmm15,%xmm11 + pxor %xmm10,%xmm2 + pxor %xmm11,%xmm3 + pshufb %xmm7,%xmm2 + pshufb %xmm7,%xmm3 + paddd %xmm2,%xmm4 + paddd %xmm3,%xmm5 + pxor %xmm4,%xmm14 + pxor %xmm5,%xmm15 + movdqa %xmm14,%xmm6 + pslld $12,%xmm14 + psrld $20,%xmm6 + movdqa %xmm15,%xmm7 + pslld $12,%xmm15 + por %xmm6,%xmm14 + psrld $20,%xmm7 + movdqa (%r11),%xmm6 + por %xmm7,%xmm15 + paddd %xmm14,%xmm10 + paddd %xmm15,%xmm11 + pxor %xmm10,%xmm2 + pxor %xmm11,%xmm3 + pshufb %xmm6,%xmm2 + pshufb %xmm6,%xmm3 + paddd %xmm2,%xmm4 + paddd %xmm3,%xmm5 + pxor %xmm4,%xmm14 + pxor %xmm5,%xmm15 + movdqa %xmm14,%xmm7 + pslld $7,%xmm14 + psrld $25,%xmm7 + movdqa %xmm15,%xmm6 + pslld $7,%xmm15 + por %xmm7,%xmm14 + psrld $25,%xmm6 + movdqa (%r9),%xmm7 + por %xmm6,%xmm15 + paddd %xmm13,%xmm8 + paddd %xmm14,%xmm9 + pxor %xmm8,%xmm3 + pxor %xmm9,%xmm0 + pshufb %xmm7,%xmm3 + pshufb %xmm7,%xmm0 + paddd %xmm3,%xmm4 + paddd %xmm0,%xmm5 + pxor %xmm4,%xmm13 + pxor %xmm5,%xmm14 + movdqa %xmm13,%xmm6 + pslld $12,%xmm13 + psrld $20,%xmm6 + movdqa %xmm14,%xmm7 + pslld $12,%xmm14 + por %xmm6,%xmm13 + psrld $20,%xmm7 + movdqa (%r11),%xmm6 + por %xmm7,%xmm14 + paddd %xmm13,%xmm8 + paddd %xmm14,%xmm9 + pxor %xmm8,%xmm3 + pxor %xmm9,%xmm0 + pshufb %xmm6,%xmm3 + pshufb %xmm6,%xmm0 + paddd %xmm3,%xmm4 + paddd %xmm0,%xmm5 + pxor %xmm4,%xmm13 + pxor %xmm5,%xmm14 + movdqa %xmm13,%xmm7 + pslld $7,%xmm13 + psrld $25,%xmm7 + movdqa %xmm14,%xmm6 + pslld $7,%xmm14 + por %xmm7,%xmm13 + psrld $25,%xmm6 + movdqa (%r9),%xmm7 + por %xmm6,%xmm14 + movdqa %xmm4,32(%rsp) + movdqa %xmm5,48(%rsp) + movdqa 0(%rsp),%xmm4 + movdqa 16(%rsp),%xmm5 + paddd %xmm15,%xmm10 + paddd %xmm12,%xmm11 + pxor %xmm10,%xmm1 + pxor %xmm11,%xmm2 + pshufb %xmm7,%xmm1 + pshufb %xmm7,%xmm2 + paddd %xmm1,%xmm4 + paddd %xmm2,%xmm5 + pxor %xmm4,%xmm15 + pxor %xmm5,%xmm12 + movdqa %xmm15,%xmm6 + pslld $12,%xmm15 + psrld $20,%xmm6 + movdqa %xmm12,%xmm7 + pslld $12,%xmm12 + por %xmm6,%xmm15 + psrld $20,%xmm7 + movdqa (%r11),%xmm6 + por %xmm7,%xmm12 + paddd %xmm15,%xmm10 + paddd %xmm12,%xmm11 + pxor %xmm10,%xmm1 + pxor %xmm11,%xmm2 + pshufb %xmm6,%xmm1 + pshufb %xmm6,%xmm2 + paddd %xmm1,%xmm4 + paddd %xmm2,%xmm5 + pxor %xmm4,%xmm15 + pxor %xmm5,%xmm12 + movdqa %xmm15,%xmm7 + pslld $7,%xmm15 + psrld $25,%xmm7 + movdqa %xmm12,%xmm6 + pslld $7,%xmm12 + por %xmm7,%xmm15 + psrld $25,%xmm6 + movdqa (%r9),%xmm7 + por %xmm6,%xmm12 + decl %eax + jnz .Loop4x + + paddd 64(%rsp),%xmm8 + paddd 80(%rsp),%xmm9 + paddd 96(%rsp),%xmm10 + paddd 112(%rsp),%xmm11 + + movdqa %xmm8,%xmm6 + punpckldq %xmm9,%xmm8 + movdqa %xmm10,%xmm7 + punpckldq %xmm11,%xmm10 + punpckhdq %xmm9,%xmm6 + punpckhdq %xmm11,%xmm7 + movdqa %xmm8,%xmm9 + punpcklqdq %xmm10,%xmm8 + movdqa %xmm6,%xmm11 + punpcklqdq %xmm7,%xmm6 + punpckhqdq %xmm10,%xmm9 + punpckhqdq %xmm7,%xmm11 + paddd 128-256(%rcx),%xmm12 + paddd 144-256(%rcx),%xmm13 + paddd 160-256(%rcx),%xmm14 + paddd 176-256(%rcx),%xmm15 + + movdqa %xmm8,0(%rsp) + movdqa %xmm9,16(%rsp) + movdqa 32(%rsp),%xmm8 + movdqa 48(%rsp),%xmm9 + + movdqa %xmm12,%xmm10 + punpckldq %xmm13,%xmm12 + movdqa %xmm14,%xmm7 + punpckldq %xmm15,%xmm14 + punpckhdq %xmm13,%xmm10 + punpckhdq %xmm15,%xmm7 + movdqa %xmm12,%xmm13 + punpcklqdq %xmm14,%xmm12 + movdqa %xmm10,%xmm15 + punpcklqdq %xmm7,%xmm10 + punpckhqdq %xmm14,%xmm13 + punpckhqdq %xmm7,%xmm15 + paddd 192-256(%rcx),%xmm4 + paddd 208-256(%rcx),%xmm5 + paddd 224-256(%rcx),%xmm8 + paddd 240-256(%rcx),%xmm9 + + movdqa %xmm6,32(%rsp) + movdqa %xmm11,48(%rsp) + + movdqa %xmm4,%xmm14 + punpckldq %xmm5,%xmm4 + movdqa %xmm8,%xmm7 + punpckldq %xmm9,%xmm8 + punpckhdq %xmm5,%xmm14 + punpckhdq %xmm9,%xmm7 + movdqa %xmm4,%xmm5 + punpcklqdq %xmm8,%xmm4 + movdqa %xmm14,%xmm9 + punpcklqdq %xmm7,%xmm14 + punpckhqdq %xmm8,%xmm5 + punpckhqdq %xmm7,%xmm9 + paddd 256-256(%rcx),%xmm0 + paddd 272-256(%rcx),%xmm1 + paddd 288-256(%rcx),%xmm2 + paddd 304-256(%rcx),%xmm3 + + movdqa %xmm0,%xmm8 + punpckldq %xmm1,%xmm0 + movdqa %xmm2,%xmm7 + punpckldq %xmm3,%xmm2 + punpckhdq %xmm1,%xmm8 + punpckhdq %xmm3,%xmm7 + movdqa %xmm0,%xmm1 + punpcklqdq %xmm2,%xmm0 + movdqa %xmm8,%xmm3 + punpcklqdq %xmm7,%xmm8 + punpckhqdq %xmm2,%xmm1 + punpckhqdq %xmm7,%xmm3 + cmpq $256,%rdx + jb .Ltail4x + + movdqu 0(%rsi),%xmm6 + movdqu 16(%rsi),%xmm11 + movdqu 32(%rsi),%xmm2 + movdqu 48(%rsi),%xmm7 + pxor 0(%rsp),%xmm6 + pxor %xmm12,%xmm11 + pxor %xmm4,%xmm2 + pxor %xmm0,%xmm7 + + movdqu %xmm6,0(%rdi) + movdqu 64(%rsi),%xmm6 + movdqu %xmm11,16(%rdi) + movdqu 80(%rsi),%xmm11 + movdqu %xmm2,32(%rdi) + movdqu 96(%rsi),%xmm2 + movdqu %xmm7,48(%rdi) + movdqu 112(%rsi),%xmm7 + leaq 128(%rsi),%rsi + pxor 16(%rsp),%xmm6 + pxor %xmm13,%xmm11 + pxor %xmm5,%xmm2 + pxor %xmm1,%xmm7 + + movdqu %xmm6,64(%rdi) + movdqu 0(%rsi),%xmm6 + movdqu %xmm11,80(%rdi) + movdqu 16(%rsi),%xmm11 + movdqu %xmm2,96(%rdi) + movdqu 32(%rsi),%xmm2 + movdqu %xmm7,112(%rdi) + leaq 128(%rdi),%rdi + movdqu 48(%rsi),%xmm7 + pxor 32(%rsp),%xmm6 + pxor %xmm10,%xmm11 + pxor %xmm14,%xmm2 + pxor %xmm8,%xmm7 + + movdqu %xmm6,0(%rdi) + movdqu 64(%rsi),%xmm6 + movdqu %xmm11,16(%rdi) + movdqu 80(%rsi),%xmm11 + movdqu %xmm2,32(%rdi) + movdqu 96(%rsi),%xmm2 + movdqu %xmm7,48(%rdi) + movdqu 112(%rsi),%xmm7 + leaq 128(%rsi),%rsi + pxor 48(%rsp),%xmm6 + pxor %xmm15,%xmm11 + pxor %xmm9,%xmm2 + pxor %xmm3,%xmm7 + movdqu %xmm6,64(%rdi) + movdqu %xmm11,80(%rdi) + movdqu %xmm2,96(%rdi) + movdqu %xmm7,112(%rdi) + leaq 128(%rdi),%rdi + + subq $256,%rdx + jnz .Loop_outer4x + + jmp .Ldone4x + +.Ltail4x: + cmpq $192,%rdx + jae .L192_or_more4x + cmpq $128,%rdx + jae .L128_or_more4x + cmpq $64,%rdx + jae .L64_or_more4x + + + xorq %r9,%r9 + + movdqa %xmm12,16(%rsp) + movdqa %xmm4,32(%rsp) + movdqa %xmm0,48(%rsp) + jmp .Loop_tail4x + +.align 32 +.L64_or_more4x: + movdqu 0(%rsi),%xmm6 + movdqu 16(%rsi),%xmm11 + movdqu 32(%rsi),%xmm2 + movdqu 48(%rsi),%xmm7 + pxor 0(%rsp),%xmm6 + pxor %xmm12,%xmm11 + pxor %xmm4,%xmm2 + pxor %xmm0,%xmm7 + movdqu %xmm6,0(%rdi) + movdqu %xmm11,16(%rdi) + movdqu %xmm2,32(%rdi) + movdqu %xmm7,48(%rdi) + je .Ldone4x + + movdqa 16(%rsp),%xmm6 + leaq 64(%rsi),%rsi + xorq %r9,%r9 + movdqa %xmm6,0(%rsp) + movdqa %xmm13,16(%rsp) + leaq 64(%rdi),%rdi + movdqa %xmm5,32(%rsp) + subq $64,%rdx + movdqa %xmm1,48(%rsp) + jmp .Loop_tail4x + +.align 32 +.L128_or_more4x: + movdqu 0(%rsi),%xmm6 + movdqu 16(%rsi),%xmm11 + movdqu 32(%rsi),%xmm2 + movdqu 48(%rsi),%xmm7 + pxor 0(%rsp),%xmm6 + pxor %xmm12,%xmm11 + pxor %xmm4,%xmm2 + pxor %xmm0,%xmm7 + + movdqu %xmm6,0(%rdi) + movdqu 64(%rsi),%xmm6 + movdqu %xmm11,16(%rdi) + movdqu 80(%rsi),%xmm11 + movdqu %xmm2,32(%rdi) + movdqu 96(%rsi),%xmm2 + movdqu %xmm7,48(%rdi) + movdqu 112(%rsi),%xmm7 + pxor 16(%rsp),%xmm6 + pxor %xmm13,%xmm11 + pxor %xmm5,%xmm2 + pxor %xmm1,%xmm7 + movdqu %xmm6,64(%rdi) + movdqu %xmm11,80(%rdi) + movdqu %xmm2,96(%rdi) + movdqu %xmm7,112(%rdi) + je .Ldone4x + + movdqa 32(%rsp),%xmm6 + leaq 128(%rsi),%rsi + xorq %r9,%r9 + movdqa %xmm6,0(%rsp) + movdqa %xmm10,16(%rsp) + leaq 128(%rdi),%rdi + movdqa %xmm14,32(%rsp) + subq $128,%rdx + movdqa %xmm8,48(%rsp) + jmp .Loop_tail4x + +.align 32 +.L192_or_more4x: + movdqu 0(%rsi),%xmm6 + movdqu 16(%rsi),%xmm11 + movdqu 32(%rsi),%xmm2 + movdqu 48(%rsi),%xmm7 + pxor 0(%rsp),%xmm6 + pxor %xmm12,%xmm11 + pxor %xmm4,%xmm2 + pxor %xmm0,%xmm7 + + movdqu %xmm6,0(%rdi) + movdqu 64(%rsi),%xmm6 + movdqu %xmm11,16(%rdi) + movdqu 80(%rsi),%xmm11 + movdqu %xmm2,32(%rdi) + movdqu 96(%rsi),%xmm2 + movdqu %xmm7,48(%rdi) + movdqu 112(%rsi),%xmm7 + leaq 128(%rsi),%rsi + pxor 16(%rsp),%xmm6 + pxor %xmm13,%xmm11 + pxor %xmm5,%xmm2 + pxor %xmm1,%xmm7 + + movdqu %xmm6,64(%rdi) + movdqu 0(%rsi),%xmm6 + movdqu %xmm11,80(%rdi) + movdqu 16(%rsi),%xmm11 + movdqu %xmm2,96(%rdi) + movdqu 32(%rsi),%xmm2 + movdqu %xmm7,112(%rdi) + leaq 128(%rdi),%rdi + movdqu 48(%rsi),%xmm7 + pxor 32(%rsp),%xmm6 + pxor %xmm10,%xmm11 + pxor %xmm14,%xmm2 + pxor %xmm8,%xmm7 + movdqu %xmm6,0(%rdi) + movdqu %xmm11,16(%rdi) + movdqu %xmm2,32(%rdi) + movdqu %xmm7,48(%rdi) + je .Ldone4x + + movdqa 48(%rsp),%xmm6 + leaq 64(%rsi),%rsi + xorq %r9,%r9 + movdqa %xmm6,0(%rsp) + movdqa %xmm15,16(%rsp) + leaq 64(%rdi),%rdi + movdqa %xmm9,32(%rsp) + subq $192,%rdx + movdqa %xmm3,48(%rsp) + +.Loop_tail4x: + movzbl (%rsi,%r9,1),%eax + movzbl (%rsp,%r9,1),%ecx + leaq 1(%r9),%r9 + xorl %ecx,%eax + movb %al,-1(%rdi,%r9,1) + decq %rdx + jnz .Loop_tail4x + +.Ldone4x: + leaq -8(%r10),%rsp + +.L4x_epilogue: + ret +ENDPROC(chacha20_ssse3) +#endif /* CONFIG_AS_SSSE3 */ + +#ifdef CONFIG_AS_AVX2 +.align 32 +ENTRY(chacha20_avx2) +.Lchacha20_avx2: + cmpq $0,%rdx + je .L8x_epilogue + leaq 8(%rsp),%r10 + + subq $0x280+8,%rsp + andq $-32,%rsp + vzeroupper + + vbroadcasti128 .Lsigma(%rip),%ymm11 + vbroadcasti128 (%rcx),%ymm3 + vbroadcasti128 16(%rcx),%ymm15 + vbroadcasti128 (%r8),%ymm7 + leaq 256(%rsp),%rcx + leaq 512(%rsp),%rax + leaq .Lrot16(%rip),%r9 + leaq .Lrot24(%rip),%r11 + + vpshufd $0x00,%ymm11,%ymm8 + vpshufd $0x55,%ymm11,%ymm9 + vmovdqa %ymm8,128-256(%rcx) + vpshufd $0xaa,%ymm11,%ymm10 + vmovdqa %ymm9,160-256(%rcx) + vpshufd $0xff,%ymm11,%ymm11 + vmovdqa %ymm10,192-256(%rcx) + vmovdqa %ymm11,224-256(%rcx) + + vpshufd $0x00,%ymm3,%ymm0 + vpshufd $0x55,%ymm3,%ymm1 + vmovdqa %ymm0,256-256(%rcx) + vpshufd $0xaa,%ymm3,%ymm2 + vmovdqa %ymm1,288-256(%rcx) + vpshufd $0xff,%ymm3,%ymm3 + vmovdqa %ymm2,320-256(%rcx) + vmovdqa %ymm3,352-256(%rcx) + + vpshufd $0x00,%ymm15,%ymm12 + vpshufd $0x55,%ymm15,%ymm13 + vmovdqa %ymm12,384-512(%rax) + vpshufd $0xaa,%ymm15,%ymm14 + vmovdqa %ymm13,416-512(%rax) + vpshufd $0xff,%ymm15,%ymm15 + vmovdqa %ymm14,448-512(%rax) + vmovdqa %ymm15,480-512(%rax) + + vpshufd $0x00,%ymm7,%ymm4 + vpshufd $0x55,%ymm7,%ymm5 + vpaddd .Lincy(%rip),%ymm4,%ymm4 + vpshufd $0xaa,%ymm7,%ymm6 + vmovdqa %ymm5,544-512(%rax) + vpshufd $0xff,%ymm7,%ymm7 + vmovdqa %ymm6,576-512(%rax) + vmovdqa %ymm7,608-512(%rax) + + jmp .Loop_enter8x + +.align 32 +.Loop_outer8x: + vmovdqa 128-256(%rcx),%ymm8 + vmovdqa 160-256(%rcx),%ymm9 + vmovdqa 192-256(%rcx),%ymm10 + vmovdqa 224-256(%rcx),%ymm11 + vmovdqa 256-256(%rcx),%ymm0 + vmovdqa 288-256(%rcx),%ymm1 + vmovdqa 320-256(%rcx),%ymm2 + vmovdqa 352-256(%rcx),%ymm3 + vmovdqa 384-512(%rax),%ymm12 + vmovdqa 416-512(%rax),%ymm13 + vmovdqa 448-512(%rax),%ymm14 + vmovdqa 480-512(%rax),%ymm15 + vmovdqa 512-512(%rax),%ymm4 + vmovdqa 544-512(%rax),%ymm5 + vmovdqa 576-512(%rax),%ymm6 + vmovdqa 608-512(%rax),%ymm7 + vpaddd .Leight(%rip),%ymm4,%ymm4 + +.Loop_enter8x: + vmovdqa %ymm14,64(%rsp) + vmovdqa %ymm15,96(%rsp) + vbroadcasti128 (%r9),%ymm15 + vmovdqa %ymm4,512-512(%rax) + movl $10,%eax + jmp .Loop8x + +.align 32 +.Loop8x: + vpaddd %ymm0,%ymm8,%ymm8 + vpxor %ymm4,%ymm8,%ymm4 + vpshufb %ymm15,%ymm4,%ymm4 + vpaddd %ymm1,%ymm9,%ymm9 + vpxor %ymm5,%ymm9,%ymm5 + vpshufb %ymm15,%ymm5,%ymm5 + vpaddd %ymm4,%ymm12,%ymm12 + vpxor %ymm0,%ymm12,%ymm0 + vpslld $12,%ymm0,%ymm14 + vpsrld $20,%ymm0,%ymm0 + vpor %ymm0,%ymm14,%ymm0 + vbroadcasti128 (%r11),%ymm14 + vpaddd %ymm5,%ymm13,%ymm13 + vpxor %ymm1,%ymm13,%ymm1 + vpslld $12,%ymm1,%ymm15 + vpsrld $20,%ymm1,%ymm1 + vpor %ymm1,%ymm15,%ymm1 + vpaddd %ymm0,%ymm8,%ymm8 + vpxor %ymm4,%ymm8,%ymm4 + vpshufb %ymm14,%ymm4,%ymm4 + vpaddd %ymm1,%ymm9,%ymm9 + vpxor %ymm5,%ymm9,%ymm5 + vpshufb %ymm14,%ymm5,%ymm5 + vpaddd %ymm4,%ymm12,%ymm12 + vpxor %ymm0,%ymm12,%ymm0 + vpslld $7,%ymm0,%ymm15 + vpsrld $25,%ymm0,%ymm0 + vpor %ymm0,%ymm15,%ymm0 + vbroadcasti128 (%r9),%ymm15 + vpaddd %ymm5,%ymm13,%ymm13 + vpxor %ymm1,%ymm13,%ymm1 + vpslld $7,%ymm1,%ymm14 + vpsrld $25,%ymm1,%ymm1 + vpor %ymm1,%ymm14,%ymm1 + vmovdqa %ymm12,0(%rsp) + vmovdqa %ymm13,32(%rsp) + vmovdqa 64(%rsp),%ymm12 + vmovdqa 96(%rsp),%ymm13 + vpaddd %ymm2,%ymm10,%ymm10 + vpxor %ymm6,%ymm10,%ymm6 + vpshufb %ymm15,%ymm6,%ymm6 + vpaddd %ymm3,%ymm11,%ymm11 + vpxor %ymm7,%ymm11,%ymm7 + vpshufb %ymm15,%ymm7,%ymm7 + vpaddd %ymm6,%ymm12,%ymm12 + vpxor %ymm2,%ymm12,%ymm2 + vpslld $12,%ymm2,%ymm14 + vpsrld $20,%ymm2,%ymm2 + vpor %ymm2,%ymm14,%ymm2 + vbroadcasti128 (%r11),%ymm14 + vpaddd %ymm7,%ymm13,%ymm13 + vpxor %ymm3,%ymm13,%ymm3 + vpslld $12,%ymm3,%ymm15 + vpsrld $20,%ymm3,%ymm3 + vpor %ymm3,%ymm15,%ymm3 + vpaddd %ymm2,%ymm10,%ymm10 + vpxor %ymm6,%ymm10,%ymm6 + vpshufb %ymm14,%ymm6,%ymm6 + vpaddd %ymm3,%ymm11,%ymm11 + vpxor %ymm7,%ymm11,%ymm7 + vpshufb %ymm14,%ymm7,%ymm7 + vpaddd %ymm6,%ymm12,%ymm12 + vpxor %ymm2,%ymm12,%ymm2 + vpslld $7,%ymm2,%ymm15 + vpsrld $25,%ymm2,%ymm2 + vpor %ymm2,%ymm15,%ymm2 + vbroadcasti128 (%r9),%ymm15 + vpaddd %ymm7,%ymm13,%ymm13 + vpxor %ymm3,%ymm13,%ymm3 + vpslld $7,%ymm3,%ymm14 + vpsrld $25,%ymm3,%ymm3 + vpor %ymm3,%ymm14,%ymm3 + vpaddd %ymm1,%ymm8,%ymm8 + vpxor %ymm7,%ymm8,%ymm7 + vpshufb %ymm15,%ymm7,%ymm7 + vpaddd %ymm2,%ymm9,%ymm9 + vpxor %ymm4,%ymm9,%ymm4 + vpshufb %ymm15,%ymm4,%ymm4 + vpaddd %ymm7,%ymm12,%ymm12 + vpxor %ymm1,%ymm12,%ymm1 + vpslld $12,%ymm1,%ymm14 + vpsrld $20,%ymm1,%ymm1 + vpor %ymm1,%ymm14,%ymm1 + vbroadcasti128 (%r11),%ymm14 + vpaddd %ymm4,%ymm13,%ymm13 + vpxor %ymm2,%ymm13,%ymm2 + vpslld $12,%ymm2,%ymm15 + vpsrld $20,%ymm2,%ymm2 + vpor %ymm2,%ymm15,%ymm2 + vpaddd %ymm1,%ymm8,%ymm8 + vpxor %ymm7,%ymm8,%ymm7 + vpshufb %ymm14,%ymm7,%ymm7 + vpaddd %ymm2,%ymm9,%ymm9 + vpxor %ymm4,%ymm9,%ymm4 + vpshufb %ymm14,%ymm4,%ymm4 + vpaddd %ymm7,%ymm12,%ymm12 + vpxor %ymm1,%ymm12,%ymm1 + vpslld $7,%ymm1,%ymm15 + vpsrld $25,%ymm1,%ymm1 + vpor %ymm1,%ymm15,%ymm1 + vbroadcasti128 (%r9),%ymm15 + vpaddd %ymm4,%ymm13,%ymm13 + vpxor %ymm2,%ymm13,%ymm2 + vpslld $7,%ymm2,%ymm14 + vpsrld $25,%ymm2,%ymm2 + vpor %ymm2,%ymm14,%ymm2 + vmovdqa %ymm12,64(%rsp) + vmovdqa %ymm13,96(%rsp) + vmovdqa 0(%rsp),%ymm12 + vmovdqa 32(%rsp),%ymm13 + vpaddd %ymm3,%ymm10,%ymm10 + vpxor %ymm5,%ymm10,%ymm5 + vpshufb %ymm15,%ymm5,%ymm5 + vpaddd %ymm0,%ymm11,%ymm11 + vpxor %ymm6,%ymm11,%ymm6 + vpshufb %ymm15,%ymm6,%ymm6 + vpaddd %ymm5,%ymm12,%ymm12 + vpxor %ymm3,%ymm12,%ymm3 + vpslld $12,%ymm3,%ymm14 + vpsrld $20,%ymm3,%ymm3 + vpor %ymm3,%ymm14,%ymm3 + vbroadcasti128 (%r11),%ymm14 + vpaddd %ymm6,%ymm13,%ymm13 + vpxor %ymm0,%ymm13,%ymm0 + vpslld $12,%ymm0,%ymm15 + vpsrld $20,%ymm0,%ymm0 + vpor %ymm0,%ymm15,%ymm0 + vpaddd %ymm3,%ymm10,%ymm10 + vpxor %ymm5,%ymm10,%ymm5 + vpshufb %ymm14,%ymm5,%ymm5 + vpaddd %ymm0,%ymm11,%ymm11 + vpxor %ymm6,%ymm11,%ymm6 + vpshufb %ymm14,%ymm6,%ymm6 + vpaddd %ymm5,%ymm12,%ymm12 + vpxor %ymm3,%ymm12,%ymm3 + vpslld $7,%ymm3,%ymm15 + vpsrld $25,%ymm3,%ymm3 + vpor %ymm3,%ymm15,%ymm3 + vbroadcasti128 (%r9),%ymm15 + vpaddd %ymm6,%ymm13,%ymm13 + vpxor %ymm0,%ymm13,%ymm0 + vpslld $7,%ymm0,%ymm14 + vpsrld $25,%ymm0,%ymm0 + vpor %ymm0,%ymm14,%ymm0 + decl %eax + jnz .Loop8x + + leaq 512(%rsp),%rax + vpaddd 128-256(%rcx),%ymm8,%ymm8 + vpaddd 160-256(%rcx),%ymm9,%ymm9 + vpaddd 192-256(%rcx),%ymm10,%ymm10 + vpaddd 224-256(%rcx),%ymm11,%ymm11 + + vpunpckldq %ymm9,%ymm8,%ymm14 + vpunpckldq %ymm11,%ymm10,%ymm15 + vpunpckhdq %ymm9,%ymm8,%ymm8 + vpunpckhdq %ymm11,%ymm10,%ymm10 + vpunpcklqdq %ymm15,%ymm14,%ymm9 + vpunpckhqdq %ymm15,%ymm14,%ymm14 + vpunpcklqdq %ymm10,%ymm8,%ymm11 + vpunpckhqdq %ymm10,%ymm8,%ymm8 + vpaddd 256-256(%rcx),%ymm0,%ymm0 + vpaddd 288-256(%rcx),%ymm1,%ymm1 + vpaddd 320-256(%rcx),%ymm2,%ymm2 + vpaddd 352-256(%rcx),%ymm3,%ymm3 + + vpunpckldq %ymm1,%ymm0,%ymm10 + vpunpckldq %ymm3,%ymm2,%ymm15 + vpunpckhdq %ymm1,%ymm0,%ymm0 + vpunpckhdq %ymm3,%ymm2,%ymm2 + vpunpcklqdq %ymm15,%ymm10,%ymm1 + vpunpckhqdq %ymm15,%ymm10,%ymm10 + vpunpcklqdq %ymm2,%ymm0,%ymm3 + vpunpckhqdq %ymm2,%ymm0,%ymm0 + vperm2i128 $0x20,%ymm1,%ymm9,%ymm15 + vperm2i128 $0x31,%ymm1,%ymm9,%ymm1 + vperm2i128 $0x20,%ymm10,%ymm14,%ymm9 + vperm2i128 $0x31,%ymm10,%ymm14,%ymm10 + vperm2i128 $0x20,%ymm3,%ymm11,%ymm14 + vperm2i128 $0x31,%ymm3,%ymm11,%ymm3 + vperm2i128 $0x20,%ymm0,%ymm8,%ymm11 + vperm2i128 $0x31,%ymm0,%ymm8,%ymm0 + vmovdqa %ymm15,0(%rsp) + vmovdqa %ymm9,32(%rsp) + vmovdqa 64(%rsp),%ymm15 + vmovdqa 96(%rsp),%ymm9 + + vpaddd 384-512(%rax),%ymm12,%ymm12 + vpaddd 416-512(%rax),%ymm13,%ymm13 + vpaddd 448-512(%rax),%ymm15,%ymm15 + vpaddd 480-512(%rax),%ymm9,%ymm9 + + vpunpckldq %ymm13,%ymm12,%ymm2 + vpunpckldq %ymm9,%ymm15,%ymm8 + vpunpckhdq %ymm13,%ymm12,%ymm12 + vpunpckhdq %ymm9,%ymm15,%ymm15 + vpunpcklqdq %ymm8,%ymm2,%ymm13 + vpunpckhqdq %ymm8,%ymm2,%ymm2 + vpunpcklqdq %ymm15,%ymm12,%ymm9 + vpunpckhqdq %ymm15,%ymm12,%ymm12 + vpaddd 512-512(%rax),%ymm4,%ymm4 + vpaddd 544-512(%rax),%ymm5,%ymm5 + vpaddd 576-512(%rax),%ymm6,%ymm6 + vpaddd 608-512(%rax),%ymm7,%ymm7 + + vpunpckldq %ymm5,%ymm4,%ymm15 + vpunpckldq %ymm7,%ymm6,%ymm8 + vpunpckhdq %ymm5,%ymm4,%ymm4 + vpunpckhdq %ymm7,%ymm6,%ymm6 + vpunpcklqdq %ymm8,%ymm15,%ymm5 + vpunpckhqdq %ymm8,%ymm15,%ymm15 + vpunpcklqdq %ymm6,%ymm4,%ymm7 + vpunpckhqdq %ymm6,%ymm4,%ymm4 + vperm2i128 $0x20,%ymm5,%ymm13,%ymm8 + vperm2i128 $0x31,%ymm5,%ymm13,%ymm5 + vperm2i128 $0x20,%ymm15,%ymm2,%ymm13 + vperm2i128 $0x31,%ymm15,%ymm2,%ymm15 + vperm2i128 $0x20,%ymm7,%ymm9,%ymm2 + vperm2i128 $0x31,%ymm7,%ymm9,%ymm7 + vperm2i128 $0x20,%ymm4,%ymm12,%ymm9 + vperm2i128 $0x31,%ymm4,%ymm12,%ymm4 + vmovdqa 0(%rsp),%ymm6 + vmovdqa 32(%rsp),%ymm12 + + cmpq $512,%rdx + jb .Ltail8x + + vpxor 0(%rsi),%ymm6,%ymm6 + vpxor 32(%rsi),%ymm8,%ymm8 + vpxor 64(%rsi),%ymm1,%ymm1 + vpxor 96(%rsi),%ymm5,%ymm5 + leaq 128(%rsi),%rsi + vmovdqu %ymm6,0(%rdi) + vmovdqu %ymm8,32(%rdi) + vmovdqu %ymm1,64(%rdi) + vmovdqu %ymm5,96(%rdi) + leaq 128(%rdi),%rdi + + vpxor 0(%rsi),%ymm12,%ymm12 + vpxor 32(%rsi),%ymm13,%ymm13 + vpxor 64(%rsi),%ymm10,%ymm10 + vpxor 96(%rsi),%ymm15,%ymm15 + leaq 128(%rsi),%rsi + vmovdqu %ymm12,0(%rdi) + vmovdqu %ymm13,32(%rdi) + vmovdqu %ymm10,64(%rdi) + vmovdqu %ymm15,96(%rdi) + leaq 128(%rdi),%rdi + + vpxor 0(%rsi),%ymm14,%ymm14 + vpxor 32(%rsi),%ymm2,%ymm2 + vpxor 64(%rsi),%ymm3,%ymm3 + vpxor 96(%rsi),%ymm7,%ymm7 + leaq 128(%rsi),%rsi + vmovdqu %ymm14,0(%rdi) + vmovdqu %ymm2,32(%rdi) + vmovdqu %ymm3,64(%rdi) + vmovdqu %ymm7,96(%rdi) + leaq 128(%rdi),%rdi + + vpxor 0(%rsi),%ymm11,%ymm11 + vpxor 32(%rsi),%ymm9,%ymm9 + vpxor 64(%rsi),%ymm0,%ymm0 + vpxor 96(%rsi),%ymm4,%ymm4 + leaq 128(%rsi),%rsi + vmovdqu %ymm11,0(%rdi) + vmovdqu %ymm9,32(%rdi) + vmovdqu %ymm0,64(%rdi) + vmovdqu %ymm4,96(%rdi) + leaq 128(%rdi),%rdi + + subq $512,%rdx + jnz .Loop_outer8x + + jmp .Ldone8x + +.Ltail8x: + cmpq $448,%rdx + jae .L448_or_more8x + cmpq $384,%rdx + jae .L384_or_more8x + cmpq $320,%rdx + jae .L320_or_more8x + cmpq $256,%rdx + jae .L256_or_more8x + cmpq $192,%rdx + jae .L192_or_more8x + cmpq $128,%rdx + jae .L128_or_more8x + cmpq $64,%rdx + jae .L64_or_more8x + + xorq %r9,%r9 + vmovdqa %ymm6,0(%rsp) + vmovdqa %ymm8,32(%rsp) + jmp .Loop_tail8x + +.align 32 +.L64_or_more8x: + vpxor 0(%rsi),%ymm6,%ymm6 + vpxor 32(%rsi),%ymm8,%ymm8 + vmovdqu %ymm6,0(%rdi) + vmovdqu %ymm8,32(%rdi) + je .Ldone8x + + leaq 64(%rsi),%rsi + xorq %r9,%r9 + vmovdqa %ymm1,0(%rsp) + leaq 64(%rdi),%rdi + subq $64,%rdx + vmovdqa %ymm5,32(%rsp) + jmp .Loop_tail8x + +.align 32 +.L128_or_more8x: + vpxor 0(%rsi),%ymm6,%ymm6 + vpxor 32(%rsi),%ymm8,%ymm8 + vpxor 64(%rsi),%ymm1,%ymm1 + vpxor 96(%rsi),%ymm5,%ymm5 + vmovdqu %ymm6,0(%rdi) + vmovdqu %ymm8,32(%rdi) + vmovdqu %ymm1,64(%rdi) + vmovdqu %ymm5,96(%rdi) + je .Ldone8x + + leaq 128(%rsi),%rsi + xorq %r9,%r9 + vmovdqa %ymm12,0(%rsp) + leaq 128(%rdi),%rdi + subq $128,%rdx + vmovdqa %ymm13,32(%rsp) + jmp .Loop_tail8x + +.align 32 +.L192_or_more8x: + vpxor 0(%rsi),%ymm6,%ymm6 + vpxor 32(%rsi),%ymm8,%ymm8 + vpxor 64(%rsi),%ymm1,%ymm1 + vpxor 96(%rsi),%ymm5,%ymm5 + vpxor 128(%rsi),%ymm12,%ymm12 + vpxor 160(%rsi),%ymm13,%ymm13 + vmovdqu %ymm6,0(%rdi) + vmovdqu %ymm8,32(%rdi) + vmovdqu %ymm1,64(%rdi) + vmovdqu %ymm5,96(%rdi) + vmovdqu %ymm12,128(%rdi) + vmovdqu %ymm13,160(%rdi) + je .Ldone8x + + leaq 192(%rsi),%rsi + xorq %r9,%r9 + vmovdqa %ymm10,0(%rsp) + leaq 192(%rdi),%rdi + subq $192,%rdx + vmovdqa %ymm15,32(%rsp) + jmp .Loop_tail8x + +.align 32 +.L256_or_more8x: + vpxor 0(%rsi),%ymm6,%ymm6 + vpxor 32(%rsi),%ymm8,%ymm8 + vpxor 64(%rsi),%ymm1,%ymm1 + vpxor 96(%rsi),%ymm5,%ymm5 + vpxor 128(%rsi),%ymm12,%ymm12 + vpxor 160(%rsi),%ymm13,%ymm13 + vpxor 192(%rsi),%ymm10,%ymm10 + vpxor 224(%rsi),%ymm15,%ymm15 + vmovdqu %ymm6,0(%rdi) + vmovdqu %ymm8,32(%rdi) + vmovdqu %ymm1,64(%rdi) + vmovdqu %ymm5,96(%rdi) + vmovdqu %ymm12,128(%rdi) + vmovdqu %ymm13,160(%rdi) + vmovdqu %ymm10,192(%rdi) + vmovdqu %ymm15,224(%rdi) + je .Ldone8x + + leaq 256(%rsi),%rsi + xorq %r9,%r9 + vmovdqa %ymm14,0(%rsp) + leaq 256(%rdi),%rdi + subq $256,%rdx + vmovdqa %ymm2,32(%rsp) + jmp .Loop_tail8x + +.align 32 +.L320_or_more8x: + vpxor 0(%rsi),%ymm6,%ymm6 + vpxor 32(%rsi),%ymm8,%ymm8 + vpxor 64(%rsi),%ymm1,%ymm1 + vpxor 96(%rsi),%ymm5,%ymm5 + vpxor 128(%rsi),%ymm12,%ymm12 + vpxor 160(%rsi),%ymm13,%ymm13 + vpxor 192(%rsi),%ymm10,%ymm10 + vpxor 224(%rsi),%ymm15,%ymm15 + vpxor 256(%rsi),%ymm14,%ymm14 + vpxor 288(%rsi),%ymm2,%ymm2 + vmovdqu %ymm6,0(%rdi) + vmovdqu %ymm8,32(%rdi) + vmovdqu %ymm1,64(%rdi) + vmovdqu %ymm5,96(%rdi) + vmovdqu %ymm12,128(%rdi) + vmovdqu %ymm13,160(%rdi) + vmovdqu %ymm10,192(%rdi) + vmovdqu %ymm15,224(%rdi) + vmovdqu %ymm14,256(%rdi) + vmovdqu %ymm2,288(%rdi) + je .Ldone8x + + leaq 320(%rsi),%rsi + xorq %r9,%r9 + vmovdqa %ymm3,0(%rsp) + leaq 320(%rdi),%rdi + subq $320,%rdx + vmovdqa %ymm7,32(%rsp) + jmp .Loop_tail8x + +.align 32 +.L384_or_more8x: + vpxor 0(%rsi),%ymm6,%ymm6 + vpxor 32(%rsi),%ymm8,%ymm8 + vpxor 64(%rsi),%ymm1,%ymm1 + vpxor 96(%rsi),%ymm5,%ymm5 + vpxor 128(%rsi),%ymm12,%ymm12 + vpxor 160(%rsi),%ymm13,%ymm13 + vpxor 192(%rsi),%ymm10,%ymm10 + vpxor 224(%rsi),%ymm15,%ymm15 + vpxor 256(%rsi),%ymm14,%ymm14 + vpxor 288(%rsi),%ymm2,%ymm2 + vpxor 320(%rsi),%ymm3,%ymm3 + vpxor 352(%rsi),%ymm7,%ymm7 + vmovdqu %ymm6,0(%rdi) + vmovdqu %ymm8,32(%rdi) + vmovdqu %ymm1,64(%rdi) + vmovdqu %ymm5,96(%rdi) + vmovdqu %ymm12,128(%rdi) + vmovdqu %ymm13,160(%rdi) + vmovdqu %ymm10,192(%rdi) + vmovdqu %ymm15,224(%rdi) + vmovdqu %ymm14,256(%rdi) + vmovdqu %ymm2,288(%rdi) + vmovdqu %ymm3,320(%rdi) + vmovdqu %ymm7,352(%rdi) + je .Ldone8x + + leaq 384(%rsi),%rsi + xorq %r9,%r9 + vmovdqa %ymm11,0(%rsp) + leaq 384(%rdi),%rdi + subq $384,%rdx + vmovdqa %ymm9,32(%rsp) + jmp .Loop_tail8x + +.align 32 +.L448_or_more8x: + vpxor 0(%rsi),%ymm6,%ymm6 + vpxor 32(%rsi),%ymm8,%ymm8 + vpxor 64(%rsi),%ymm1,%ymm1 + vpxor 96(%rsi),%ymm5,%ymm5 + vpxor 128(%rsi),%ymm12,%ymm12 + vpxor 160(%rsi),%ymm13,%ymm13 + vpxor 192(%rsi),%ymm10,%ymm10 + vpxor 224(%rsi),%ymm15,%ymm15 + vpxor 256(%rsi),%ymm14,%ymm14 + vpxor 288(%rsi),%ymm2,%ymm2 + vpxor 320(%rsi),%ymm3,%ymm3 + vpxor 352(%rsi),%ymm7,%ymm7 + vpxor 384(%rsi),%ymm11,%ymm11 + vpxor 416(%rsi),%ymm9,%ymm9 + vmovdqu %ymm6,0(%rdi) + vmovdqu %ymm8,32(%rdi) + vmovdqu %ymm1,64(%rdi) + vmovdqu %ymm5,96(%rdi) + vmovdqu %ymm12,128(%rdi) + vmovdqu %ymm13,160(%rdi) + vmovdqu %ymm10,192(%rdi) + vmovdqu %ymm15,224(%rdi) + vmovdqu %ymm14,256(%rdi) + vmovdqu %ymm2,288(%rdi) + vmovdqu %ymm3,320(%rdi) + vmovdqu %ymm7,352(%rdi) + vmovdqu %ymm11,384(%rdi) + vmovdqu %ymm9,416(%rdi) + je .Ldone8x + + leaq 448(%rsi),%rsi + xorq %r9,%r9 + vmovdqa %ymm0,0(%rsp) + leaq 448(%rdi),%rdi + subq $448,%rdx + vmovdqa %ymm4,32(%rsp) + +.Loop_tail8x: + movzbl (%rsi,%r9,1),%eax + movzbl (%rsp,%r9,1),%ecx + leaq 1(%r9),%r9 + xorl %ecx,%eax + movb %al,-1(%rdi,%r9,1) + decq %rdx + jnz .Loop_tail8x + +.Ldone8x: + vzeroall + leaq -8(%r10),%rsp + +.L8x_epilogue: + ret +ENDPROC(chacha20_avx2) +#endif /* CONFIG_AS_AVX2 */ + +#ifdef CONFIG_AS_AVX512 +.align 32 +ENTRY(chacha20_avx512) +.Lchacha20_avx512: + cmpq $0,%rdx + je .Lavx512_epilogue + leaq 8(%rsp),%r10 + + cmpq $512,%rdx + ja .Lchacha20_16x + + subq $64+8,%rsp + andq $-64,%rsp + vbroadcasti32x4 .Lsigma(%rip),%zmm0 + vbroadcasti32x4 (%rcx),%zmm1 + vbroadcasti32x4 16(%rcx),%zmm2 + vbroadcasti32x4 (%r8),%zmm3 + + vmovdqa32 %zmm0,%zmm16 + vmovdqa32 %zmm1,%zmm17 + vmovdqa32 %zmm2,%zmm18 + vpaddd .Lzeroz(%rip),%zmm3,%zmm3 + vmovdqa32 .Lfourz(%rip),%zmm20 + movq $10,%r8 + vmovdqa32 %zmm3,%zmm19 + jmp .Loop_avx512 + +.align 16 +.Loop_outer_avx512: + vmovdqa32 %zmm16,%zmm0 + vmovdqa32 %zmm17,%zmm1 + vmovdqa32 %zmm18,%zmm2 + vpaddd %zmm20,%zmm19,%zmm3 + movq $10,%r8 + vmovdqa32 %zmm3,%zmm19 + jmp .Loop_avx512 + +.align 32 +.Loop_avx512: + vpaddd %zmm1,%zmm0,%zmm0 + vpxord %zmm0,%zmm3,%zmm3 + vprold $16,%zmm3,%zmm3 + vpaddd %zmm3,%zmm2,%zmm2 + vpxord %zmm2,%zmm1,%zmm1 + vprold $12,%zmm1,%zmm1 + vpaddd %zmm1,%zmm0,%zmm0 + vpxord %zmm0,%zmm3,%zmm3 + vprold $8,%zmm3,%zmm3 + vpaddd %zmm3,%zmm2,%zmm2 + vpxord %zmm2,%zmm1,%zmm1 + vprold $7,%zmm1,%zmm1 + vpshufd $78,%zmm2,%zmm2 + vpshufd $57,%zmm1,%zmm1 + vpshufd $147,%zmm3,%zmm3 + vpaddd %zmm1,%zmm0,%zmm0 + vpxord %zmm0,%zmm3,%zmm3 + vprold $16,%zmm3,%zmm3 + vpaddd %zmm3,%zmm2,%zmm2 + vpxord %zmm2,%zmm1,%zmm1 + vprold $12,%zmm1,%zmm1 + vpaddd %zmm1,%zmm0,%zmm0 + vpxord %zmm0,%zmm3,%zmm3 + vprold $8,%zmm3,%zmm3 + vpaddd %zmm3,%zmm2,%zmm2 + vpxord %zmm2,%zmm1,%zmm1 + vprold $7,%zmm1,%zmm1 + vpshufd $78,%zmm2,%zmm2 + vpshufd $147,%zmm1,%zmm1 + vpshufd $57,%zmm3,%zmm3 + decq %r8 + jnz .Loop_avx512 + vpaddd %zmm16,%zmm0,%zmm0 + vpaddd %zmm17,%zmm1,%zmm1 + vpaddd %zmm18,%zmm2,%zmm2 + vpaddd %zmm19,%zmm3,%zmm3 + + subq $64,%rdx + jb .Ltail64_avx512 + + vpxor 0(%rsi),%xmm0,%xmm4 + vpxor 16(%rsi),%xmm1,%xmm5 + vpxor 32(%rsi),%xmm2,%xmm6 + vpxor 48(%rsi),%xmm3,%xmm7 + leaq 64(%rsi),%rsi + + vmovdqu %xmm4,0(%rdi) + vmovdqu %xmm5,16(%rdi) + vmovdqu %xmm6,32(%rdi) + vmovdqu %xmm7,48(%rdi) + leaq 64(%rdi),%rdi + + jz .Ldone_avx512 + + vextracti32x4 $1,%zmm0,%xmm4 + vextracti32x4 $1,%zmm1,%xmm5 + vextracti32x4 $1,%zmm2,%xmm6 + vextracti32x4 $1,%zmm3,%xmm7 + + subq $64,%rdx + jb .Ltail_avx512 + + vpxor 0(%rsi),%xmm4,%xmm4 + vpxor 16(%rsi),%xmm5,%xmm5 + vpxor 32(%rsi),%xmm6,%xmm6 + vpxor 48(%rsi),%xmm7,%xmm7 + leaq 64(%rsi),%rsi + + vmovdqu %xmm4,0(%rdi) + vmovdqu %xmm5,16(%rdi) + vmovdqu %xmm6,32(%rdi) + vmovdqu %xmm7,48(%rdi) + leaq 64(%rdi),%rdi + + jz .Ldone_avx512 + + vextracti32x4 $2,%zmm0,%xmm4 + vextracti32x4 $2,%zmm1,%xmm5 + vextracti32x4 $2,%zmm2,%xmm6 + vextracti32x4 $2,%zmm3,%xmm7 + + subq $64,%rdx + jb .Ltail_avx512 + + vpxor 0(%rsi),%xmm4,%xmm4 + vpxor 16(%rsi),%xmm5,%xmm5 + vpxor 32(%rsi),%xmm6,%xmm6 + vpxor 48(%rsi),%xmm7,%xmm7 + leaq 64(%rsi),%rsi + + vmovdqu %xmm4,0(%rdi) + vmovdqu %xmm5,16(%rdi) + vmovdqu %xmm6,32(%rdi) + vmovdqu %xmm7,48(%rdi) + leaq 64(%rdi),%rdi + + jz .Ldone_avx512 + + vextracti32x4 $3,%zmm0,%xmm4 + vextracti32x4 $3,%zmm1,%xmm5 + vextracti32x4 $3,%zmm2,%xmm6 + vextracti32x4 $3,%zmm3,%xmm7 + + subq $64,%rdx + jb .Ltail_avx512 + + vpxor 0(%rsi),%xmm4,%xmm4 + vpxor 16(%rsi),%xmm5,%xmm5 + vpxor 32(%rsi),%xmm6,%xmm6 + vpxor 48(%rsi),%xmm7,%xmm7 + leaq 64(%rsi),%rsi + + vmovdqu %xmm4,0(%rdi) + vmovdqu %xmm5,16(%rdi) + vmovdqu %xmm6,32(%rdi) + vmovdqu %xmm7,48(%rdi) + leaq 64(%rdi),%rdi + + jnz .Loop_outer_avx512 + + jmp .Ldone_avx512 + +.align 16 +.Ltail64_avx512: + vmovdqa %xmm0,0(%rsp) + vmovdqa %xmm1,16(%rsp) + vmovdqa %xmm2,32(%rsp) + vmovdqa %xmm3,48(%rsp) + addq $64,%rdx + jmp .Loop_tail_avx512 + +.align 16 +.Ltail_avx512: + vmovdqa %xmm4,0(%rsp) + vmovdqa %xmm5,16(%rsp) + vmovdqa %xmm6,32(%rsp) + vmovdqa %xmm7,48(%rsp) + addq $64,%rdx + +.Loop_tail_avx512: + movzbl (%rsi,%r8,1),%eax + movzbl (%rsp,%r8,1),%ecx + leaq 1(%r8),%r8 + xorl %ecx,%eax + movb %al,-1(%rdi,%r8,1) + decq %rdx + jnz .Loop_tail_avx512 + + vmovdqa32 %zmm16,0(%rsp) + +.Ldone_avx512: + vzeroall + leaq -8(%r10),%rsp + +.Lavx512_epilogue: + ret + +.align 32 +.Lchacha20_16x: + leaq 8(%rsp),%r10 + + subq $64+8,%rsp + andq $-64,%rsp + vzeroupper + + leaq .Lsigma(%rip),%r9 + vbroadcasti32x4 (%r9),%zmm3 + vbroadcasti32x4 (%rcx),%zmm7 + vbroadcasti32x4 16(%rcx),%zmm11 + vbroadcasti32x4 (%r8),%zmm15 + + vpshufd $0x00,%zmm3,%zmm0 + vpshufd $0x55,%zmm3,%zmm1 + vpshufd $0xaa,%zmm3,%zmm2 + vpshufd $0xff,%zmm3,%zmm3 + vmovdqa64 %zmm0,%zmm16 + vmovdqa64 %zmm1,%zmm17 + vmovdqa64 %zmm2,%zmm18 + vmovdqa64 %zmm3,%zmm19 + + vpshufd $0x00,%zmm7,%zmm4 + vpshufd $0x55,%zmm7,%zmm5 + vpshufd $0xaa,%zmm7,%zmm6 + vpshufd $0xff,%zmm7,%zmm7 + vmovdqa64 %zmm4,%zmm20 + vmovdqa64 %zmm5,%zmm21 + vmovdqa64 %zmm6,%zmm22 + vmovdqa64 %zmm7,%zmm23 + + vpshufd $0x00,%zmm11,%zmm8 + vpshufd $0x55,%zmm11,%zmm9 + vpshufd $0xaa,%zmm11,%zmm10 + vpshufd $0xff,%zmm11,%zmm11 + vmovdqa64 %zmm8,%zmm24 + vmovdqa64 %zmm9,%zmm25 + vmovdqa64 %zmm10,%zmm26 + vmovdqa64 %zmm11,%zmm27 + + vpshufd $0x00,%zmm15,%zmm12 + vpshufd $0x55,%zmm15,%zmm13 + vpshufd $0xaa,%zmm15,%zmm14 + vpshufd $0xff,%zmm15,%zmm15 + vpaddd .Lincz(%rip),%zmm12,%zmm12 + vmovdqa64 %zmm12,%zmm28 + vmovdqa64 %zmm13,%zmm29 + vmovdqa64 %zmm14,%zmm30 + vmovdqa64 %zmm15,%zmm31 + + movl $10,%eax + jmp .Loop16x + +.align 32 +.Loop_outer16x: + vpbroadcastd 0(%r9),%zmm0 + vpbroadcastd 4(%r9),%zmm1 + vpbroadcastd 8(%r9),%zmm2 + vpbroadcastd 12(%r9),%zmm3 + vpaddd .Lsixteen(%rip),%zmm28,%zmm28 + vmovdqa64 %zmm20,%zmm4 + vmovdqa64 %zmm21,%zmm5 + vmovdqa64 %zmm22,%zmm6 + vmovdqa64 %zmm23,%zmm7 + vmovdqa64 %zmm24,%zmm8 + vmovdqa64 %zmm25,%zmm9 + vmovdqa64 %zmm26,%zmm10 + vmovdqa64 %zmm27,%zmm11 + vmovdqa64 %zmm28,%zmm12 + vmovdqa64 %zmm29,%zmm13 + vmovdqa64 %zmm30,%zmm14 + vmovdqa64 %zmm31,%zmm15 + + vmovdqa64 %zmm0,%zmm16 + vmovdqa64 %zmm1,%zmm17 + vmovdqa64 %zmm2,%zmm18 + vmovdqa64 %zmm3,%zmm19 + + movl $10,%eax + jmp .Loop16x + +.align 32 +.Loop16x: + vpaddd %zmm4,%zmm0,%zmm0 + vpaddd %zmm5,%zmm1,%zmm1 + vpaddd %zmm6,%zmm2,%zmm2 + vpaddd %zmm7,%zmm3,%zmm3 + vpxord %zmm0,%zmm12,%zmm12 + vpxord %zmm1,%zmm13,%zmm13 + vpxord %zmm2,%zmm14,%zmm14 + vpxord %zmm3,%zmm15,%zmm15 + vprold $16,%zmm12,%zmm12 + vprold $16,%zmm13,%zmm13 + vprold $16,%zmm14,%zmm14 + vprold $16,%zmm15,%zmm15 + vpaddd %zmm12,%zmm8,%zmm8 + vpaddd %zmm13,%zmm9,%zmm9 + vpaddd %zmm14,%zmm10,%zmm10 + vpaddd %zmm15,%zmm11,%zmm11 + vpxord %zmm8,%zmm4,%zmm4 + vpxord %zmm9,%zmm5,%zmm5 + vpxord %zmm10,%zmm6,%zmm6 + vpxord %zmm11,%zmm7,%zmm7 + vprold $12,%zmm4,%zmm4 + vprold $12,%zmm5,%zmm5 + vprold $12,%zmm6,%zmm6 + vprold $12,%zmm7,%zmm7 + vpaddd %zmm4,%zmm0,%zmm0 + vpaddd %zmm5,%zmm1,%zmm1 + vpaddd %zmm6,%zmm2,%zmm2 + vpaddd %zmm7,%zmm3,%zmm3 + vpxord %zmm0,%zmm12,%zmm12 + vpxord %zmm1,%zmm13,%zmm13 + vpxord %zmm2,%zmm14,%zmm14 + vpxord %zmm3,%zmm15,%zmm15 + vprold $8,%zmm12,%zmm12 + vprold $8,%zmm13,%zmm13 + vprold $8,%zmm14,%zmm14 + vprold $8,%zmm15,%zmm15 + vpaddd %zmm12,%zmm8,%zmm8 + vpaddd %zmm13,%zmm9,%zmm9 + vpaddd %zmm14,%zmm10,%zmm10 + vpaddd %zmm15,%zmm11,%zmm11 + vpxord %zmm8,%zmm4,%zmm4 + vpxord %zmm9,%zmm5,%zmm5 + vpxord %zmm10,%zmm6,%zmm6 + vpxord %zmm11,%zmm7,%zmm7 + vprold $7,%zmm4,%zmm4 + vprold $7,%zmm5,%zmm5 + vprold $7,%zmm6,%zmm6 + vprold $7,%zmm7,%zmm7 + vpaddd %zmm5,%zmm0,%zmm0 + vpaddd %zmm6,%zmm1,%zmm1 + vpaddd %zmm7,%zmm2,%zmm2 + vpaddd %zmm4,%zmm3,%zmm3 + vpxord %zmm0,%zmm15,%zmm15 + vpxord %zmm1,%zmm12,%zmm12 + vpxord %zmm2,%zmm13,%zmm13 + vpxord %zmm3,%zmm14,%zmm14 + vprold $16,%zmm15,%zmm15 + vprold $16,%zmm12,%zmm12 + vprold $16,%zmm13,%zmm13 + vprold $16,%zmm14,%zmm14 + vpaddd %zmm15,%zmm10,%zmm10 + vpaddd %zmm12,%zmm11,%zmm11 + vpaddd %zmm13,%zmm8,%zmm8 + vpaddd %zmm14,%zmm9,%zmm9 + vpxord %zmm10,%zmm5,%zmm5 + vpxord %zmm11,%zmm6,%zmm6 + vpxord %zmm8,%zmm7,%zmm7 + vpxord %zmm9,%zmm4,%zmm4 + vprold $12,%zmm5,%zmm5 + vprold $12,%zmm6,%zmm6 + vprold $12,%zmm7,%zmm7 + vprold $12,%zmm4,%zmm4 + vpaddd %zmm5,%zmm0,%zmm0 + vpaddd %zmm6,%zmm1,%zmm1 + vpaddd %zmm7,%zmm2,%zmm2 + vpaddd %zmm4,%zmm3,%zmm3 + vpxord %zmm0,%zmm15,%zmm15 + vpxord %zmm1,%zmm12,%zmm12 + vpxord %zmm2,%zmm13,%zmm13 + vpxord %zmm3,%zmm14,%zmm14 + vprold $8,%zmm15,%zmm15 + vprold $8,%zmm12,%zmm12 + vprold $8,%zmm13,%zmm13 + vprold $8,%zmm14,%zmm14 + vpaddd %zmm15,%zmm10,%zmm10 + vpaddd %zmm12,%zmm11,%zmm11 + vpaddd %zmm13,%zmm8,%zmm8 + vpaddd %zmm14,%zmm9,%zmm9 + vpxord %zmm10,%zmm5,%zmm5 + vpxord %zmm11,%zmm6,%zmm6 + vpxord %zmm8,%zmm7,%zmm7 + vpxord %zmm9,%zmm4,%zmm4 + vprold $7,%zmm5,%zmm5 + vprold $7,%zmm6,%zmm6 + vprold $7,%zmm7,%zmm7 + vprold $7,%zmm4,%zmm4 + decl %eax + jnz .Loop16x + + vpaddd %zmm16,%zmm0,%zmm0 + vpaddd %zmm17,%zmm1,%zmm1 + vpaddd %zmm18,%zmm2,%zmm2 + vpaddd %zmm19,%zmm3,%zmm3 + + vpunpckldq %zmm1,%zmm0,%zmm18 + vpunpckldq %zmm3,%zmm2,%zmm19 + vpunpckhdq %zmm1,%zmm0,%zmm0 + vpunpckhdq %zmm3,%zmm2,%zmm2 + vpunpcklqdq %zmm19,%zmm18,%zmm1 + vpunpckhqdq %zmm19,%zmm18,%zmm18 + vpunpcklqdq %zmm2,%zmm0,%zmm3 + vpunpckhqdq %zmm2,%zmm0,%zmm0 + vpaddd %zmm20,%zmm4,%zmm4 + vpaddd %zmm21,%zmm5,%zmm5 + vpaddd %zmm22,%zmm6,%zmm6 + vpaddd %zmm23,%zmm7,%zmm7 + + vpunpckldq %zmm5,%zmm4,%zmm2 + vpunpckldq %zmm7,%zmm6,%zmm19 + vpunpckhdq %zmm5,%zmm4,%zmm4 + vpunpckhdq %zmm7,%zmm6,%zmm6 + vpunpcklqdq %zmm19,%zmm2,%zmm5 + vpunpckhqdq %zmm19,%zmm2,%zmm2 + vpunpcklqdq %zmm6,%zmm4,%zmm7 + vpunpckhqdq %zmm6,%zmm4,%zmm4 + vshufi32x4 $0x44,%zmm5,%zmm1,%zmm19 + vshufi32x4 $0xee,%zmm5,%zmm1,%zmm5 + vshufi32x4 $0x44,%zmm2,%zmm18,%zmm1 + vshufi32x4 $0xee,%zmm2,%zmm18,%zmm2 + vshufi32x4 $0x44,%zmm7,%zmm3,%zmm18 + vshufi32x4 $0xee,%zmm7,%zmm3,%zmm7 + vshufi32x4 $0x44,%zmm4,%zmm0,%zmm3 + vshufi32x4 $0xee,%zmm4,%zmm0,%zmm4 + vpaddd %zmm24,%zmm8,%zmm8 + vpaddd %zmm25,%zmm9,%zmm9 + vpaddd %zmm26,%zmm10,%zmm10 + vpaddd %zmm27,%zmm11,%zmm11 + + vpunpckldq %zmm9,%zmm8,%zmm6 + vpunpckldq %zmm11,%zmm10,%zmm0 + vpunpckhdq %zmm9,%zmm8,%zmm8 + vpunpckhdq %zmm11,%zmm10,%zmm10 + vpunpcklqdq %zmm0,%zmm6,%zmm9 + vpunpckhqdq %zmm0,%zmm6,%zmm6 + vpunpcklqdq %zmm10,%zmm8,%zmm11 + vpunpckhqdq %zmm10,%zmm8,%zmm8 + vpaddd %zmm28,%zmm12,%zmm12 + vpaddd %zmm29,%zmm13,%zmm13 + vpaddd %zmm30,%zmm14,%zmm14 + vpaddd %zmm31,%zmm15,%zmm15 + + vpunpckldq %zmm13,%zmm12,%zmm10 + vpunpckldq %zmm15,%zmm14,%zmm0 + vpunpckhdq %zmm13,%zmm12,%zmm12 + vpunpckhdq %zmm15,%zmm14,%zmm14 + vpunpcklqdq %zmm0,%zmm10,%zmm13 + vpunpckhqdq %zmm0,%zmm10,%zmm10 + vpunpcklqdq %zmm14,%zmm12,%zmm15 + vpunpckhqdq %zmm14,%zmm12,%zmm12 + vshufi32x4 $0x44,%zmm13,%zmm9,%zmm0 + vshufi32x4 $0xee,%zmm13,%zmm9,%zmm13 + vshufi32x4 $0x44,%zmm10,%zmm6,%zmm9 + vshufi32x4 $0xee,%zmm10,%zmm6,%zmm10 + vshufi32x4 $0x44,%zmm15,%zmm11,%zmm6 + vshufi32x4 $0xee,%zmm15,%zmm11,%zmm15 + vshufi32x4 $0x44,%zmm12,%zmm8,%zmm11 + vshufi32x4 $0xee,%zmm12,%zmm8,%zmm12 + vshufi32x4 $0x88,%zmm0,%zmm19,%zmm16 + vshufi32x4 $0xdd,%zmm0,%zmm19,%zmm19 + vshufi32x4 $0x88,%zmm13,%zmm5,%zmm0 + vshufi32x4 $0xdd,%zmm13,%zmm5,%zmm13 + vshufi32x4 $0x88,%zmm9,%zmm1,%zmm17 + vshufi32x4 $0xdd,%zmm9,%zmm1,%zmm1 + vshufi32x4 $0x88,%zmm10,%zmm2,%zmm9 + vshufi32x4 $0xdd,%zmm10,%zmm2,%zmm10 + vshufi32x4 $0x88,%zmm6,%zmm18,%zmm14 + vshufi32x4 $0xdd,%zmm6,%zmm18,%zmm18 + vshufi32x4 $0x88,%zmm15,%zmm7,%zmm6 + vshufi32x4 $0xdd,%zmm15,%zmm7,%zmm15 + vshufi32x4 $0x88,%zmm11,%zmm3,%zmm8 + vshufi32x4 $0xdd,%zmm11,%zmm3,%zmm3 + vshufi32x4 $0x88,%zmm12,%zmm4,%zmm11 + vshufi32x4 $0xdd,%zmm12,%zmm4,%zmm12 + cmpq $1024,%rdx + jb .Ltail16x + + vpxord 0(%rsi),%zmm16,%zmm16 + vpxord 64(%rsi),%zmm17,%zmm17 + vpxord 128(%rsi),%zmm14,%zmm14 + vpxord 192(%rsi),%zmm8,%zmm8 + vmovdqu32 %zmm16,0(%rdi) + vmovdqu32 %zmm17,64(%rdi) + vmovdqu32 %zmm14,128(%rdi) + vmovdqu32 %zmm8,192(%rdi) + + vpxord 256(%rsi),%zmm19,%zmm19 + vpxord 320(%rsi),%zmm1,%zmm1 + vpxord 384(%rsi),%zmm18,%zmm18 + vpxord 448(%rsi),%zmm3,%zmm3 + vmovdqu32 %zmm19,256(%rdi) + vmovdqu32 %zmm1,320(%rdi) + vmovdqu32 %zmm18,384(%rdi) + vmovdqu32 %zmm3,448(%rdi) + + vpxord 512(%rsi),%zmm0,%zmm0 + vpxord 576(%rsi),%zmm9,%zmm9 + vpxord 640(%rsi),%zmm6,%zmm6 + vpxord 704(%rsi),%zmm11,%zmm11 + vmovdqu32 %zmm0,512(%rdi) + vmovdqu32 %zmm9,576(%rdi) + vmovdqu32 %zmm6,640(%rdi) + vmovdqu32 %zmm11,704(%rdi) + + vpxord 768(%rsi),%zmm13,%zmm13 + vpxord 832(%rsi),%zmm10,%zmm10 + vpxord 896(%rsi),%zmm15,%zmm15 + vpxord 960(%rsi),%zmm12,%zmm12 + leaq 1024(%rsi),%rsi + vmovdqu32 %zmm13,768(%rdi) + vmovdqu32 %zmm10,832(%rdi) + vmovdqu32 %zmm15,896(%rdi) + vmovdqu32 %zmm12,960(%rdi) + leaq 1024(%rdi),%rdi + + subq $1024,%rdx + jnz .Loop_outer16x + + jmp .Ldone16x + +.align 32 +.Ltail16x: + xorq %r9,%r9 + subq %rsi,%rdi + cmpq $64,%rdx + jb .Less_than_64_16x + vpxord (%rsi),%zmm16,%zmm16 + vmovdqu32 %zmm16,(%rdi,%rsi,1) + je .Ldone16x + vmovdqa32 %zmm17,%zmm16 + leaq 64(%rsi),%rsi + + cmpq $128,%rdx + jb .Less_than_64_16x + vpxord (%rsi),%zmm17,%zmm17 + vmovdqu32 %zmm17,(%rdi,%rsi,1) + je .Ldone16x + vmovdqa32 %zmm14,%zmm16 + leaq 64(%rsi),%rsi + + cmpq $192,%rdx + jb .Less_than_64_16x + vpxord (%rsi),%zmm14,%zmm14 + vmovdqu32 %zmm14,(%rdi,%rsi,1) + je .Ldone16x + vmovdqa32 %zmm8,%zmm16 + leaq 64(%rsi),%rsi + + cmpq $256,%rdx + jb .Less_than_64_16x + vpxord (%rsi),%zmm8,%zmm8 + vmovdqu32 %zmm8,(%rdi,%rsi,1) + je .Ldone16x + vmovdqa32 %zmm19,%zmm16 + leaq 64(%rsi),%rsi + + cmpq $320,%rdx + jb .Less_than_64_16x + vpxord (%rsi),%zmm19,%zmm19 + vmovdqu32 %zmm19,(%rdi,%rsi,1) + je .Ldone16x + vmovdqa32 %zmm1,%zmm16 + leaq 64(%rsi),%rsi + + cmpq $384,%rdx + jb .Less_than_64_16x + vpxord (%rsi),%zmm1,%zmm1 + vmovdqu32 %zmm1,(%rdi,%rsi,1) + je .Ldone16x + vmovdqa32 %zmm18,%zmm16 + leaq 64(%rsi),%rsi + + cmpq $448,%rdx + jb .Less_than_64_16x + vpxord (%rsi),%zmm18,%zmm18 + vmovdqu32 %zmm18,(%rdi,%rsi,1) + je .Ldone16x + vmovdqa32 %zmm3,%zmm16 + leaq 64(%rsi),%rsi + + cmpq $512,%rdx + jb .Less_than_64_16x + vpxord (%rsi),%zmm3,%zmm3 + vmovdqu32 %zmm3,(%rdi,%rsi,1) + je .Ldone16x + vmovdqa32 %zmm0,%zmm16 + leaq 64(%rsi),%rsi + + cmpq $576,%rdx + jb .Less_than_64_16x + vpxord (%rsi),%zmm0,%zmm0 + vmovdqu32 %zmm0,(%rdi,%rsi,1) + je .Ldone16x + vmovdqa32 %zmm9,%zmm16 + leaq 64(%rsi),%rsi + + cmpq $640,%rdx + jb .Less_than_64_16x + vpxord (%rsi),%zmm9,%zmm9 + vmovdqu32 %zmm9,(%rdi,%rsi,1) + je .Ldone16x + vmovdqa32 %zmm6,%zmm16 + leaq 64(%rsi),%rsi + + cmpq $704,%rdx + jb .Less_than_64_16x + vpxord (%rsi),%zmm6,%zmm6 + vmovdqu32 %zmm6,(%rdi,%rsi,1) + je .Ldone16x + vmovdqa32 %zmm11,%zmm16 + leaq 64(%rsi),%rsi + + cmpq $768,%rdx + jb .Less_than_64_16x + vpxord (%rsi),%zmm11,%zmm11 + vmovdqu32 %zmm11,(%rdi,%rsi,1) + je .Ldone16x + vmovdqa32 %zmm13,%zmm16 + leaq 64(%rsi),%rsi + + cmpq $832,%rdx + jb .Less_than_64_16x + vpxord (%rsi),%zmm13,%zmm13 + vmovdqu32 %zmm13,(%rdi,%rsi,1) + je .Ldone16x + vmovdqa32 %zmm10,%zmm16 + leaq 64(%rsi),%rsi + + cmpq $896,%rdx + jb .Less_than_64_16x + vpxord (%rsi),%zmm10,%zmm10 + vmovdqu32 %zmm10,(%rdi,%rsi,1) + je .Ldone16x + vmovdqa32 %zmm15,%zmm16 + leaq 64(%rsi),%rsi + + cmpq $960,%rdx + jb .Less_than_64_16x + vpxord (%rsi),%zmm15,%zmm15 + vmovdqu32 %zmm15,(%rdi,%rsi,1) + je .Ldone16x + vmovdqa32 %zmm12,%zmm16 + leaq 64(%rsi),%rsi + +.Less_than_64_16x: + vmovdqa32 %zmm16,0(%rsp) + leaq (%rdi,%rsi,1),%rdi + andq $63,%rdx + +.Loop_tail16x: + movzbl (%rsi,%r9,1),%eax + movzbl (%rsp,%r9,1),%ecx + leaq 1(%r9),%r9 + xorl %ecx,%eax + movb %al,-1(%rdi,%r9,1) + decq %rdx + jnz .Loop_tail16x + + vpxord %zmm16,%zmm16,%zmm16 + vmovdqa32 %zmm16,0(%rsp) + +.Ldone16x: + vzeroall + leaq -8(%r10),%rsp + +.L16x_epilogue: + ret +ENDPROC(chacha20_avx512) + +.align 32 +ENTRY(chacha20_avx512vl) + cmpq $0,%rdx + je .Lavx512vl_epilogue + + leaq 8(%rsp),%r10 + + cmpq $128,%rdx + ja .Lchacha20_8xvl + + subq $64+8,%rsp + andq $-64,%rsp + vbroadcasti128 .Lsigma(%rip),%ymm0 + vbroadcasti128 (%rcx),%ymm1 + vbroadcasti128 16(%rcx),%ymm2 + vbroadcasti128 (%r8),%ymm3 + + vmovdqa32 %ymm0,%ymm16 + vmovdqa32 %ymm1,%ymm17 + vmovdqa32 %ymm2,%ymm18 + vpaddd .Lzeroz(%rip),%ymm3,%ymm3 + vmovdqa32 .Ltwoy(%rip),%ymm20 + movq $10,%r8 + vmovdqa32 %ymm3,%ymm19 + jmp .Loop_avx512vl + +.align 16 +.Loop_outer_avx512vl: + vmovdqa32 %ymm18,%ymm2 + vpaddd %ymm20,%ymm19,%ymm3 + movq $10,%r8 + vmovdqa32 %ymm3,%ymm19 + jmp .Loop_avx512vl + +.align 32 +.Loop_avx512vl: + vpaddd %ymm1,%ymm0,%ymm0 + vpxor %ymm0,%ymm3,%ymm3 + vprold $16,%ymm3,%ymm3 + vpaddd %ymm3,%ymm2,%ymm2 + vpxor %ymm2,%ymm1,%ymm1 + vprold $12,%ymm1,%ymm1 + vpaddd %ymm1,%ymm0,%ymm0 + vpxor %ymm0,%ymm3,%ymm3 + vprold $8,%ymm3,%ymm3 + vpaddd %ymm3,%ymm2,%ymm2 + vpxor %ymm2,%ymm1,%ymm1 + vprold $7,%ymm1,%ymm1 + vpshufd $78,%ymm2,%ymm2 + vpshufd $57,%ymm1,%ymm1 + vpshufd $147,%ymm3,%ymm3 + vpaddd %ymm1,%ymm0,%ymm0 + vpxor %ymm0,%ymm3,%ymm3 + vprold $16,%ymm3,%ymm3 + vpaddd %ymm3,%ymm2,%ymm2 + vpxor %ymm2,%ymm1,%ymm1 + vprold $12,%ymm1,%ymm1 + vpaddd %ymm1,%ymm0,%ymm0 + vpxor %ymm0,%ymm3,%ymm3 + vprold $8,%ymm3,%ymm3 + vpaddd %ymm3,%ymm2,%ymm2 + vpxor %ymm2,%ymm1,%ymm1 + vprold $7,%ymm1,%ymm1 + vpshufd $78,%ymm2,%ymm2 + vpshufd $147,%ymm1,%ymm1 + vpshufd $57,%ymm3,%ymm3 + decq %r8 + jnz .Loop_avx512vl + vpaddd %ymm16,%ymm0,%ymm0 + vpaddd %ymm17,%ymm1,%ymm1 + vpaddd %ymm18,%ymm2,%ymm2 + vpaddd %ymm19,%ymm3,%ymm3 + + subq $64,%rdx + jb .Ltail64_avx512vl + + vpxor 0(%rsi),%xmm0,%xmm4 + vpxor 16(%rsi),%xmm1,%xmm5 + vpxor 32(%rsi),%xmm2,%xmm6 + vpxor 48(%rsi),%xmm3,%xmm7 + leaq 64(%rsi),%rsi + + vmovdqu %xmm4,0(%rdi) + vmovdqu %xmm5,16(%rdi) + vmovdqu %xmm6,32(%rdi) + vmovdqu %xmm7,48(%rdi) + leaq 64(%rdi),%rdi + + jz .Ldone_avx512vl + + vextracti128 $1,%ymm0,%xmm4 + vextracti128 $1,%ymm1,%xmm5 + vextracti128 $1,%ymm2,%xmm6 + vextracti128 $1,%ymm3,%xmm7 + + subq $64,%rdx + jb .Ltail_avx512vl + + vpxor 0(%rsi),%xmm4,%xmm4 + vpxor 16(%rsi),%xmm5,%xmm5 + vpxor 32(%rsi),%xmm6,%xmm6 + vpxor 48(%rsi),%xmm7,%xmm7 + leaq 64(%rsi),%rsi + + vmovdqu %xmm4,0(%rdi) + vmovdqu %xmm5,16(%rdi) + vmovdqu %xmm6,32(%rdi) + vmovdqu %xmm7,48(%rdi) + leaq 64(%rdi),%rdi + + vmovdqa32 %ymm16,%ymm0 + vmovdqa32 %ymm17,%ymm1 + jnz .Loop_outer_avx512vl + + jmp .Ldone_avx512vl + +.align 16 +.Ltail64_avx512vl: + vmovdqa %xmm0,0(%rsp) + vmovdqa %xmm1,16(%rsp) + vmovdqa %xmm2,32(%rsp) + vmovdqa %xmm3,48(%rsp) + addq $64,%rdx + jmp .Loop_tail_avx512vl + +.align 16 +.Ltail_avx512vl: + vmovdqa %xmm4,0(%rsp) + vmovdqa %xmm5,16(%rsp) + vmovdqa %xmm6,32(%rsp) + vmovdqa %xmm7,48(%rsp) + addq $64,%rdx + +.Loop_tail_avx512vl: + movzbl (%rsi,%r8,1),%eax + movzbl (%rsp,%r8,1),%ecx + leaq 1(%r8),%r8 + xorl %ecx,%eax + movb %al,-1(%rdi,%r8,1) + decq %rdx + jnz .Loop_tail_avx512vl + + vmovdqa32 %ymm16,0(%rsp) + vmovdqa32 %ymm16,32(%rsp) + +.Ldone_avx512vl: + vzeroall + leaq -8(%r10),%rsp +.Lavx512vl_epilogue: + ret + +.align 32 +.Lchacha20_8xvl: + leaq 8(%rsp),%r10 + subq $64+8,%rsp + andq $-64,%rsp + vzeroupper + + leaq .Lsigma(%rip),%r9 + vbroadcasti128 (%r9),%ymm3 + vbroadcasti128 (%rcx),%ymm7 + vbroadcasti128 16(%rcx),%ymm11 + vbroadcasti128 (%r8),%ymm15 + + vpshufd $0x00,%ymm3,%ymm0 + vpshufd $0x55,%ymm3,%ymm1 + vpshufd $0xaa,%ymm3,%ymm2 + vpshufd $0xff,%ymm3,%ymm3 + vmovdqa64 %ymm0,%ymm16 + vmovdqa64 %ymm1,%ymm17 + vmovdqa64 %ymm2,%ymm18 + vmovdqa64 %ymm3,%ymm19 + + vpshufd $0x00,%ymm7,%ymm4 + vpshufd $0x55,%ymm7,%ymm5 + vpshufd $0xaa,%ymm7,%ymm6 + vpshufd $0xff,%ymm7,%ymm7 + vmovdqa64 %ymm4,%ymm20 + vmovdqa64 %ymm5,%ymm21 + vmovdqa64 %ymm6,%ymm22 + vmovdqa64 %ymm7,%ymm23 + + vpshufd $0x00,%ymm11,%ymm8 + vpshufd $0x55,%ymm11,%ymm9 + vpshufd $0xaa,%ymm11,%ymm10 + vpshufd $0xff,%ymm11,%ymm11 + vmovdqa64 %ymm8,%ymm24 + vmovdqa64 %ymm9,%ymm25 + vmovdqa64 %ymm10,%ymm26 + vmovdqa64 %ymm11,%ymm27 + + vpshufd $0x00,%ymm15,%ymm12 + vpshufd $0x55,%ymm15,%ymm13 + vpshufd $0xaa,%ymm15,%ymm14 + vpshufd $0xff,%ymm15,%ymm15 + vpaddd .Lincy(%rip),%ymm12,%ymm12 + vmovdqa64 %ymm12,%ymm28 + vmovdqa64 %ymm13,%ymm29 + vmovdqa64 %ymm14,%ymm30 + vmovdqa64 %ymm15,%ymm31 + + movl $10,%eax + jmp .Loop8xvl + +.align 32 +.Loop_outer8xvl: + + + vpbroadcastd 8(%r9),%ymm2 + vpbroadcastd 12(%r9),%ymm3 + vpaddd .Leight(%rip),%ymm28,%ymm28 + vmovdqa64 %ymm20,%ymm4 + vmovdqa64 %ymm21,%ymm5 + vmovdqa64 %ymm22,%ymm6 + vmovdqa64 %ymm23,%ymm7 + vmovdqa64 %ymm24,%ymm8 + vmovdqa64 %ymm25,%ymm9 + vmovdqa64 %ymm26,%ymm10 + vmovdqa64 %ymm27,%ymm11 + vmovdqa64 %ymm28,%ymm12 + vmovdqa64 %ymm29,%ymm13 + vmovdqa64 %ymm30,%ymm14 + vmovdqa64 %ymm31,%ymm15 + + vmovdqa64 %ymm0,%ymm16 + vmovdqa64 %ymm1,%ymm17 + vmovdqa64 %ymm2,%ymm18 + vmovdqa64 %ymm3,%ymm19 + + movl $10,%eax + jmp .Loop8xvl + +.align 32 +.Loop8xvl: + vpaddd %ymm4,%ymm0,%ymm0 + vpaddd %ymm5,%ymm1,%ymm1 + vpaddd %ymm6,%ymm2,%ymm2 + vpaddd %ymm7,%ymm3,%ymm3 + vpxor %ymm0,%ymm12,%ymm12 + vpxor %ymm1,%ymm13,%ymm13 + vpxor %ymm2,%ymm14,%ymm14 + vpxor %ymm3,%ymm15,%ymm15 + vprold $16,%ymm12,%ymm12 + vprold $16,%ymm13,%ymm13 + vprold $16,%ymm14,%ymm14 + vprold $16,%ymm15,%ymm15 + vpaddd %ymm12,%ymm8,%ymm8 + vpaddd %ymm13,%ymm9,%ymm9 + vpaddd %ymm14,%ymm10,%ymm10 + vpaddd %ymm15,%ymm11,%ymm11 + vpxor %ymm8,%ymm4,%ymm4 + vpxor %ymm9,%ymm5,%ymm5 + vpxor %ymm10,%ymm6,%ymm6 + vpxor %ymm11,%ymm7,%ymm7 + vprold $12,%ymm4,%ymm4 + vprold $12,%ymm5,%ymm5 + vprold $12,%ymm6,%ymm6 + vprold $12,%ymm7,%ymm7 + vpaddd %ymm4,%ymm0,%ymm0 + vpaddd %ymm5,%ymm1,%ymm1 + vpaddd %ymm6,%ymm2,%ymm2 + vpaddd %ymm7,%ymm3,%ymm3 + vpxor %ymm0,%ymm12,%ymm12 + vpxor %ymm1,%ymm13,%ymm13 + vpxor %ymm2,%ymm14,%ymm14 + vpxor %ymm3,%ymm15,%ymm15 + vprold $8,%ymm12,%ymm12 + vprold $8,%ymm13,%ymm13 + vprold $8,%ymm14,%ymm14 + vprold $8,%ymm15,%ymm15 + vpaddd %ymm12,%ymm8,%ymm8 + vpaddd %ymm13,%ymm9,%ymm9 + vpaddd %ymm14,%ymm10,%ymm10 + vpaddd %ymm15,%ymm11,%ymm11 + vpxor %ymm8,%ymm4,%ymm4 + vpxor %ymm9,%ymm5,%ymm5 + vpxor %ymm10,%ymm6,%ymm6 + vpxor %ymm11,%ymm7,%ymm7 + vprold $7,%ymm4,%ymm4 + vprold $7,%ymm5,%ymm5 + vprold $7,%ymm6,%ymm6 + vprold $7,%ymm7,%ymm7 + vpaddd %ymm5,%ymm0,%ymm0 + vpaddd %ymm6,%ymm1,%ymm1 + vpaddd %ymm7,%ymm2,%ymm2 + vpaddd %ymm4,%ymm3,%ymm3 + vpxor %ymm0,%ymm15,%ymm15 + vpxor %ymm1,%ymm12,%ymm12 + vpxor %ymm2,%ymm13,%ymm13 + vpxor %ymm3,%ymm14,%ymm14 + vprold $16,%ymm15,%ymm15 + vprold $16,%ymm12,%ymm12 + vprold $16,%ymm13,%ymm13 + vprold $16,%ymm14,%ymm14 + vpaddd %ymm15,%ymm10,%ymm10 + vpaddd %ymm12,%ymm11,%ymm11 + vpaddd %ymm13,%ymm8,%ymm8 + vpaddd %ymm14,%ymm9,%ymm9 + vpxor %ymm10,%ymm5,%ymm5 + vpxor %ymm11,%ymm6,%ymm6 + vpxor %ymm8,%ymm7,%ymm7 + vpxor %ymm9,%ymm4,%ymm4 + vprold $12,%ymm5,%ymm5 + vprold $12,%ymm6,%ymm6 + vprold $12,%ymm7,%ymm7 + vprold $12,%ymm4,%ymm4 + vpaddd %ymm5,%ymm0,%ymm0 + vpaddd %ymm6,%ymm1,%ymm1 + vpaddd %ymm7,%ymm2,%ymm2 + vpaddd %ymm4,%ymm3,%ymm3 + vpxor %ymm0,%ymm15,%ymm15 + vpxor %ymm1,%ymm12,%ymm12 + vpxor %ymm2,%ymm13,%ymm13 + vpxor %ymm3,%ymm14,%ymm14 + vprold $8,%ymm15,%ymm15 + vprold $8,%ymm12,%ymm12 + vprold $8,%ymm13,%ymm13 + vprold $8,%ymm14,%ymm14 + vpaddd %ymm15,%ymm10,%ymm10 + vpaddd %ymm12,%ymm11,%ymm11 + vpaddd %ymm13,%ymm8,%ymm8 + vpaddd %ymm14,%ymm9,%ymm9 + vpxor %ymm10,%ymm5,%ymm5 + vpxor %ymm11,%ymm6,%ymm6 + vpxor %ymm8,%ymm7,%ymm7 + vpxor %ymm9,%ymm4,%ymm4 + vprold $7,%ymm5,%ymm5 + vprold $7,%ymm6,%ymm6 + vprold $7,%ymm7,%ymm7 + vprold $7,%ymm4,%ymm4 + decl %eax + jnz .Loop8xvl + + vpaddd %ymm16,%ymm0,%ymm0 + vpaddd %ymm17,%ymm1,%ymm1 + vpaddd %ymm18,%ymm2,%ymm2 + vpaddd %ymm19,%ymm3,%ymm3 + + vpunpckldq %ymm1,%ymm0,%ymm18 + vpunpckldq %ymm3,%ymm2,%ymm19 + vpunpckhdq %ymm1,%ymm0,%ymm0 + vpunpckhdq %ymm3,%ymm2,%ymm2 + vpunpcklqdq %ymm19,%ymm18,%ymm1 + vpunpckhqdq %ymm19,%ymm18,%ymm18 + vpunpcklqdq %ymm2,%ymm0,%ymm3 + vpunpckhqdq %ymm2,%ymm0,%ymm0 + vpaddd %ymm20,%ymm4,%ymm4 + vpaddd %ymm21,%ymm5,%ymm5 + vpaddd %ymm22,%ymm6,%ymm6 + vpaddd %ymm23,%ymm7,%ymm7 + + vpunpckldq %ymm5,%ymm4,%ymm2 + vpunpckldq %ymm7,%ymm6,%ymm19 + vpunpckhdq %ymm5,%ymm4,%ymm4 + vpunpckhdq %ymm7,%ymm6,%ymm6 + vpunpcklqdq %ymm19,%ymm2,%ymm5 + vpunpckhqdq %ymm19,%ymm2,%ymm2 + vpunpcklqdq %ymm6,%ymm4,%ymm7 + vpunpckhqdq %ymm6,%ymm4,%ymm4 + vshufi32x4 $0,%ymm5,%ymm1,%ymm19 + vshufi32x4 $3,%ymm5,%ymm1,%ymm5 + vshufi32x4 $0,%ymm2,%ymm18,%ymm1 + vshufi32x4 $3,%ymm2,%ymm18,%ymm2 + vshufi32x4 $0,%ymm7,%ymm3,%ymm18 + vshufi32x4 $3,%ymm7,%ymm3,%ymm7 + vshufi32x4 $0,%ymm4,%ymm0,%ymm3 + vshufi32x4 $3,%ymm4,%ymm0,%ymm4 + vpaddd %ymm24,%ymm8,%ymm8 + vpaddd %ymm25,%ymm9,%ymm9 + vpaddd %ymm26,%ymm10,%ymm10 + vpaddd %ymm27,%ymm11,%ymm11 + + vpunpckldq %ymm9,%ymm8,%ymm6 + vpunpckldq %ymm11,%ymm10,%ymm0 + vpunpckhdq %ymm9,%ymm8,%ymm8 + vpunpckhdq %ymm11,%ymm10,%ymm10 + vpunpcklqdq %ymm0,%ymm6,%ymm9 + vpunpckhqdq %ymm0,%ymm6,%ymm6 + vpunpcklqdq %ymm10,%ymm8,%ymm11 + vpunpckhqdq %ymm10,%ymm8,%ymm8 + vpaddd %ymm28,%ymm12,%ymm12 + vpaddd %ymm29,%ymm13,%ymm13 + vpaddd %ymm30,%ymm14,%ymm14 + vpaddd %ymm31,%ymm15,%ymm15 + + vpunpckldq %ymm13,%ymm12,%ymm10 + vpunpckldq %ymm15,%ymm14,%ymm0 + vpunpckhdq %ymm13,%ymm12,%ymm12 + vpunpckhdq %ymm15,%ymm14,%ymm14 + vpunpcklqdq %ymm0,%ymm10,%ymm13 + vpunpckhqdq %ymm0,%ymm10,%ymm10 + vpunpcklqdq %ymm14,%ymm12,%ymm15 + vpunpckhqdq %ymm14,%ymm12,%ymm12 + vperm2i128 $0x20,%ymm13,%ymm9,%ymm0 + vperm2i128 $0x31,%ymm13,%ymm9,%ymm13 + vperm2i128 $0x20,%ymm10,%ymm6,%ymm9 + vperm2i128 $0x31,%ymm10,%ymm6,%ymm10 + vperm2i128 $0x20,%ymm15,%ymm11,%ymm6 + vperm2i128 $0x31,%ymm15,%ymm11,%ymm15 + vperm2i128 $0x20,%ymm12,%ymm8,%ymm11 + vperm2i128 $0x31,%ymm12,%ymm8,%ymm12 + cmpq $512,%rdx + jb .Ltail8xvl + + movl $0x80,%eax + vpxord 0(%rsi),%ymm19,%ymm19 + vpxor 32(%rsi),%ymm0,%ymm0 + vpxor 64(%rsi),%ymm5,%ymm5 + vpxor 96(%rsi),%ymm13,%ymm13 + leaq (%rsi,%rax,1),%rsi + vmovdqu32 %ymm19,0(%rdi) + vmovdqu %ymm0,32(%rdi) + vmovdqu %ymm5,64(%rdi) + vmovdqu %ymm13,96(%rdi) + leaq (%rdi,%rax,1),%rdi + + vpxor 0(%rsi),%ymm1,%ymm1 + vpxor 32(%rsi),%ymm9,%ymm9 + vpxor 64(%rsi),%ymm2,%ymm2 + vpxor 96(%rsi),%ymm10,%ymm10 + leaq (%rsi,%rax,1),%rsi + vmovdqu %ymm1,0(%rdi) + vmovdqu %ymm9,32(%rdi) + vmovdqu %ymm2,64(%rdi) + vmovdqu %ymm10,96(%rdi) + leaq (%rdi,%rax,1),%rdi + + vpxord 0(%rsi),%ymm18,%ymm18 + vpxor 32(%rsi),%ymm6,%ymm6 + vpxor 64(%rsi),%ymm7,%ymm7 + vpxor 96(%rsi),%ymm15,%ymm15 + leaq (%rsi,%rax,1),%rsi + vmovdqu32 %ymm18,0(%rdi) + vmovdqu %ymm6,32(%rdi) + vmovdqu %ymm7,64(%rdi) + vmovdqu %ymm15,96(%rdi) + leaq (%rdi,%rax,1),%rdi + + vpxor 0(%rsi),%ymm3,%ymm3 + vpxor 32(%rsi),%ymm11,%ymm11 + vpxor 64(%rsi),%ymm4,%ymm4 + vpxor 96(%rsi),%ymm12,%ymm12 + leaq (%rsi,%rax,1),%rsi + vmovdqu %ymm3,0(%rdi) + vmovdqu %ymm11,32(%rdi) + vmovdqu %ymm4,64(%rdi) + vmovdqu %ymm12,96(%rdi) + leaq (%rdi,%rax,1),%rdi + + vpbroadcastd 0(%r9),%ymm0 + vpbroadcastd 4(%r9),%ymm1 + + subq $512,%rdx + jnz .Loop_outer8xvl + + jmp .Ldone8xvl + +.align 32 +.Ltail8xvl: + vmovdqa64 %ymm19,%ymm8 + xorq %r9,%r9 + subq %rsi,%rdi + cmpq $64,%rdx + jb .Less_than_64_8xvl + vpxor 0(%rsi),%ymm8,%ymm8 + vpxor 32(%rsi),%ymm0,%ymm0 + vmovdqu %ymm8,0(%rdi,%rsi,1) + vmovdqu %ymm0,32(%rdi,%rsi,1) + je .Ldone8xvl + vmovdqa %ymm5,%ymm8 + vmovdqa %ymm13,%ymm0 + leaq 64(%rsi),%rsi + + cmpq $128,%rdx + jb .Less_than_64_8xvl + vpxor 0(%rsi),%ymm5,%ymm5 + vpxor 32(%rsi),%ymm13,%ymm13 + vmovdqu %ymm5,0(%rdi,%rsi,1) + vmovdqu %ymm13,32(%rdi,%rsi,1) + je .Ldone8xvl + vmovdqa %ymm1,%ymm8 + vmovdqa %ymm9,%ymm0 + leaq 64(%rsi),%rsi + + cmpq $192,%rdx + jb .Less_than_64_8xvl + vpxor 0(%rsi),%ymm1,%ymm1 + vpxor 32(%rsi),%ymm9,%ymm9 + vmovdqu %ymm1,0(%rdi,%rsi,1) + vmovdqu %ymm9,32(%rdi,%rsi,1) + je .Ldone8xvl + vmovdqa %ymm2,%ymm8 + vmovdqa %ymm10,%ymm0 + leaq 64(%rsi),%rsi + + cmpq $256,%rdx + jb .Less_than_64_8xvl + vpxor 0(%rsi),%ymm2,%ymm2 + vpxor 32(%rsi),%ymm10,%ymm10 + vmovdqu %ymm2,0(%rdi,%rsi,1) + vmovdqu %ymm10,32(%rdi,%rsi,1) + je .Ldone8xvl + vmovdqa32 %ymm18,%ymm8 + vmovdqa %ymm6,%ymm0 + leaq 64(%rsi),%rsi + + cmpq $320,%rdx + jb .Less_than_64_8xvl + vpxord 0(%rsi),%ymm18,%ymm18 + vpxor 32(%rsi),%ymm6,%ymm6 + vmovdqu32 %ymm18,0(%rdi,%rsi,1) + vmovdqu %ymm6,32(%rdi,%rsi,1) + je .Ldone8xvl + vmovdqa %ymm7,%ymm8 + vmovdqa %ymm15,%ymm0 + leaq 64(%rsi),%rsi + + cmpq $384,%rdx + jb .Less_than_64_8xvl + vpxor 0(%rsi),%ymm7,%ymm7 + vpxor 32(%rsi),%ymm15,%ymm15 + vmovdqu %ymm7,0(%rdi,%rsi,1) + vmovdqu %ymm15,32(%rdi,%rsi,1) + je .Ldone8xvl + vmovdqa %ymm3,%ymm8 + vmovdqa %ymm11,%ymm0 + leaq 64(%rsi),%rsi + + cmpq $448,%rdx + jb .Less_than_64_8xvl + vpxor 0(%rsi),%ymm3,%ymm3 + vpxor 32(%rsi),%ymm11,%ymm11 + vmovdqu %ymm3,0(%rdi,%rsi,1) + vmovdqu %ymm11,32(%rdi,%rsi,1) + je .Ldone8xvl + vmovdqa %ymm4,%ymm8 + vmovdqa %ymm12,%ymm0 + leaq 64(%rsi),%rsi + +.Less_than_64_8xvl: + vmovdqa %ymm8,0(%rsp) + vmovdqa %ymm0,32(%rsp) + leaq (%rdi,%rsi,1),%rdi + andq $63,%rdx + +.Loop_tail8xvl: + movzbl (%rsi,%r9,1),%eax + movzbl (%rsp,%r9,1),%ecx + leaq 1(%r9),%r9 + xorl %ecx,%eax + movb %al,-1(%rdi,%r9,1) + decq %rdx + jnz .Loop_tail8xvl + + vpxor %ymm8,%ymm8,%ymm8 + vmovdqa %ymm8,0(%rsp) + vmovdqa %ymm8,32(%rsp) + +.Ldone8xvl: + vzeroall + leaq -8(%r10),%rsp +.L8xvl_epilogue: + ret +ENDPROC(chacha20_avx512vl) + +#endif /* CONFIG_AS_AVX512 */