xref: /aosp_15_r20/bionic/libc/arch-x86/string/sse2-memset-slm.S (revision 8d67ca893c1523eb926b9080dbe4e2ffd2a27ba1)

/*
Copyright (c) 2014, Intel Corporation
All rights reserved.

Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:

    * Redistributions of source code must retain the above copyright notice,
    * this list of conditions and the following disclaimer.

    * Redistributions in binary form must reproduce the above copyright notice,
    * this list of conditions and the following disclaimer in the documentation
    * and/or other materials provided with the distribution.

    * Neither the name of Intel Corporation nor the names of its contributors
    * may be used to endorse or promote products derived from this software
    * without specific prior written permission.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/

#include <private/bionic_asm.h>

#define FOR_SILVERMONT

#ifndef L
# define L(label)	.L##label
#endif

#ifndef ALIGN
# define ALIGN(n)	.p2align n
#endif

#define CFI_PUSH(REG)						\
  .cfi_adjust_cfa_offset 4;					\
  .cfi_rel_offset REG, 0

#define CFI_POP(REG)						\
  .cfi_adjust_cfa_offset -4;					\
  .cfi_restore REG

#define PUSH(REG)	pushl REG; CFI_PUSH(REG)
#define POP(REG)	popl REG; CFI_POP(REG)

#define PARMS 8 /* Preserve EBX. */
#define DST PARMS
#define CHR (DST+4)
#define LEN (CHR+4)
#define CHK_DST_LEN (LEN+4)
#define SETRTNVAL	movl DST(%esp), %eax

# define ENTRANCE	PUSH(%ebx);
# define RETURN_END	POP(%ebx); ret
# define RETURN		RETURN_END; CFI_PUSH(%ebx)
# define JMPTBL(I, B)	I - B

#define SETUP_PIC_REG(x)	call	__x86.get_pc_thunk.x

/* Load an entry in a jump table into EBX and branch to it.  TABLE is a
   jump table with relative offsets.   */
# define BRANCH_TO_JMPTBL_ENTRY(TABLE)				\
    /* We first load PC into EBX.  */				\
    call	__x86.get_pc_thunk.bx;				\
    /* Get the address of the jump table.  */			\
    add		$(TABLE - .), %ebx;				\
    /* Get the entry and convert the relative offset to the	\
       absolute address.  */					\
    add		(%ebx,%ecx,4), %ebx;				\
    add		%ecx, %edx;					\
    /* We loaded the jump table and adjusted EDX. Go.  */	\
    jmp		*%ebx

ENTRY(__memset_chk)
  ENTRANCE

  movl LEN(%esp), %ecx
  cmpl CHK_DST_LEN(%esp), %ecx
  jna L(memset_length_loaded)

  POP(%ebx) // Undo ENTRANCE without returning.
  jmp __memset_chk_fail
END(__memset_chk)

	.section .text.sse2,"ax",@progbits
	ALIGN(4)
ENTRY(memset)
	ENTRANCE

	movl	LEN(%esp), %ecx
L(memset_length_loaded):
	cmp	$0, %ecx
	ja	L(1byteormore)
	SETRTNVAL
	RETURN

L(1byteormore):
	movzbl	CHR(%esp), %eax
	movb	%al, %ah
	/* Fill the whole EAX with pattern.  */
	movl	%eax, %edx
	shl	 $16, %eax
	or	%edx, %eax
	movl	DST(%esp), %edx
	cmp	$1, %ecx
	je	L(1byte)
	cmp	$16, %ecx
	jae	L(16bytesormore)

	cmp	$4, %ecx
	jb	L(4bytesless)
	movl	%eax, (%edx)
	movl	%eax, -4(%edx, %ecx)
	cmp	$8, %ecx
	jb	L(8bytesless)
	movl	%eax, 4(%edx)
	movl	%eax, -8(%edx, %ecx)
L(8bytesless):
	SETRTNVAL
	RETURN

L(4bytesless):
	movw	%ax, (%edx)
	movw	%ax, -2(%edx, %ecx)
	SETRTNVAL
	RETURN

L(1byte):
	movb	%al, (%edx)
	SETRTNVAL
	RETURN

	ALIGN(4)
L(16bytesormore):
	movd	%eax, %xmm0
	pshufd	$0, %xmm0, %xmm0

	cmp	$64, %ecx
	ja	L(64bytesmore)
	movdqu	%xmm0, (%edx)
	movdqu	%xmm0, -16(%edx, %ecx)
	cmp	$32, %ecx
	jbe	L(32bytesless)
	movdqu	%xmm0, 16(%edx)
	movdqu	%xmm0, -32(%edx, %ecx)
L(32bytesless):
	SETRTNVAL
	RETURN

L(64bytesmore):
	testl	$0xf, %edx
	jz	L(aligned_16)
L(not_aligned_16):
	movdqu	%xmm0, (%edx)
	movl	%edx, %eax
	and	$-16, %edx
	add	$16, %edx
	sub	%edx, %eax
	add	%eax, %ecx
	movd	%xmm0, %eax

	ALIGN(4)
L(aligned_16):
	cmp	$128, %ecx
	jae	L(128bytesormore)

L(aligned_16_less128bytes):
	BRANCH_TO_JMPTBL_ENTRY(L(table_16_128bytes))

	ALIGN(4)
L(128bytesormore):
	PUSH(%ebx)
	SETUP_PIC_REG(bx)
	add	$_GLOBAL_OFFSET_TABLE_, %ebx
	mov	__x86_shared_cache_size@GOTOFF(%ebx), %ebx
	cmp	%ebx, %ecx
	jae	L(128bytesormore_nt_start)

	POP(%ebx)

	PUSH(%ebx)
	SETUP_PIC_REG(bx)
	add	$_GLOBAL_OFFSET_TABLE_, %ebx
	mov	__x86_data_cache_size@GOTOFF(%ebx), %ebx

	cmp	%ebx, %ecx
	jae	L(128bytes_L2_normal)
	subl	$128, %ecx
L(128bytesormore_normal):
	sub	$128, %ecx
	movdqa	%xmm0, (%edx)
	movaps	%xmm0, 0x10(%edx)
	movaps	%xmm0, 0x20(%edx)
	movaps	%xmm0, 0x30(%edx)
	movaps	%xmm0, 0x40(%edx)
	movaps	%xmm0, 0x50(%edx)
	movaps	%xmm0, 0x60(%edx)
	movaps	%xmm0, 0x70(%edx)
	lea	128(%edx), %edx
	jb	L(128bytesless_normal)


	sub	$128, %ecx
	movdqa	%xmm0, (%edx)
	movaps	%xmm0, 0x10(%edx)
	movaps	%xmm0, 0x20(%edx)
	movaps	%xmm0, 0x30(%edx)
	movaps	%xmm0, 0x40(%edx)
	movaps	%xmm0, 0x50(%edx)
	movaps	%xmm0, 0x60(%edx)
	movaps	%xmm0, 0x70(%edx)
	lea	128(%edx), %edx
	jae	L(128bytesormore_normal)

L(128bytesless_normal):
	lea	128(%ecx), %ecx
	POP(%ebx)
	BRANCH_TO_JMPTBL_ENTRY(L(table_16_128bytes))

	ALIGN(4)
L(128bytes_L2_normal):
	prefetchnta	0x380(%edx)
	prefetchnta	0x3c0(%edx)
	sub	$128, %ecx
	movdqa	%xmm0, (%edx)
	movaps	%xmm0, 0x10(%edx)
	movaps	%xmm0, 0x20(%edx)
	movaps	%xmm0, 0x30(%edx)
	movaps	%xmm0, 0x40(%edx)
	movaps	%xmm0, 0x50(%edx)
	movaps	%xmm0, 0x60(%edx)
	movaps	%xmm0, 0x70(%edx)
	add	$128, %edx
	cmp	$128, %ecx
	jae	L(128bytes_L2_normal)

L(128bytesless_L2_normal):
	POP(%ebx)
	BRANCH_TO_JMPTBL_ENTRY(L(table_16_128bytes))

L(128bytesormore_nt_start):
	sub	%ebx, %ecx
	ALIGN(4)
L(128bytesormore_shared_cache_loop):
	prefetchnta	0x3c0(%edx)
	prefetchnta	0x380(%edx)
	sub	$0x80, %ebx
	movdqa	%xmm0, (%edx)
	movaps	%xmm0, 0x10(%edx)
	movaps	%xmm0, 0x20(%edx)
	movaps	%xmm0, 0x30(%edx)
	movaps	%xmm0, 0x40(%edx)
	movaps	%xmm0, 0x50(%edx)
	movaps	%xmm0, 0x60(%edx)
	movaps	%xmm0, 0x70(%edx)
	add	$0x80, %edx
	cmp	$0x80, %ebx
	jae	L(128bytesormore_shared_cache_loop)
	cmp	$0x80, %ecx
	jb	L(shared_cache_loop_end)
	ALIGN(4)
L(128bytesormore_nt):
	sub	$0x80, %ecx
	movntdq	%xmm0, (%edx)
	movntdq	%xmm0, 0x10(%edx)
	movntdq	%xmm0, 0x20(%edx)
	movntdq	%xmm0, 0x30(%edx)
	movntdq	%xmm0, 0x40(%edx)
	movntdq	%xmm0, 0x50(%edx)
	movntdq	%xmm0, 0x60(%edx)
	movntdq	%xmm0, 0x70(%edx)
	add	$0x80, %edx
	cmp	$0x80, %ecx
	jae	L(128bytesormore_nt)
	sfence
L(shared_cache_loop_end):
	POP(%ebx)
	BRANCH_TO_JMPTBL_ENTRY(L(table_16_128bytes))


	.pushsection .rodata.sse2,"a",@progbits
	ALIGN(2)
L(table_16_128bytes):
	.int	JMPTBL(L(aligned_16_0bytes), L(table_16_128bytes))
	.int	JMPTBL(L(aligned_16_1bytes), L(table_16_128bytes))
	.int	JMPTBL(L(aligned_16_2bytes), L(table_16_128bytes))
	.int	JMPTBL(L(aligned_16_3bytes), L(table_16_128bytes))
	.int	JMPTBL(L(aligned_16_4bytes), L(table_16_128bytes))
	.int	JMPTBL(L(aligned_16_5bytes), L(table_16_128bytes))
	.int	JMPTBL(L(aligned_16_6bytes), L(table_16_128bytes))
	.int	JMPTBL(L(aligned_16_7bytes), L(table_16_128bytes))
	.int	JMPTBL(L(aligned_16_8bytes), L(table_16_128bytes))
	.int	JMPTBL(L(aligned_16_9bytes), L(table_16_128bytes))
	.int	JMPTBL(L(aligned_16_10bytes), L(table_16_128bytes))
	.int	JMPTBL(L(aligned_16_11bytes), L(table_16_128bytes))
	.int	JMPTBL(L(aligned_16_12bytes), L(table_16_128bytes))
	.int	JMPTBL(L(aligned_16_13bytes), L(table_16_128bytes))
	.int	JMPTBL(L(aligned_16_14bytes), L(table_16_128bytes))
	.int	JMPTBL(L(aligned_16_15bytes), L(table_16_128bytes))
	.int	JMPTBL(L(aligned_16_16bytes), L(table_16_128bytes))
	.int	JMPTBL(L(aligned_16_17bytes), L(table_16_128bytes))
	.int	JMPTBL(L(aligned_16_18bytes), L(table_16_128bytes))
	.int	JMPTBL(L(aligned_16_19bytes), L(table_16_128bytes))
	.int	JMPTBL(L(aligned_16_20bytes), L(table_16_128bytes))
	.int	JMPTBL(L(aligned_16_21bytes), L(table_16_128bytes))
	.int	JMPTBL(L(aligned_16_22bytes), L(table_16_128bytes))
	.int	JMPTBL(L(aligned_16_23bytes), L(table_16_128bytes))
	.int	JMPTBL(L(aligned_16_24bytes), L(table_16_128bytes))
	.int	JMPTBL(L(aligned_16_25bytes), L(table_16_128bytes))
	.int	JMPTBL(L(aligned_16_26bytes), L(table_16_128bytes))
	.int	JMPTBL(L(aligned_16_27bytes), L(table_16_128bytes))
	.int	JMPTBL(L(aligned_16_28bytes), L(table_16_128bytes))
	.int	JMPTBL(L(aligned_16_29bytes), L(table_16_128bytes))
	.int	JMPTBL(L(aligned_16_30bytes), L(table_16_128bytes))
	.int	JMPTBL(L(aligned_16_31bytes), L(table_16_128bytes))
	.int	JMPTBL(L(aligned_16_32bytes), L(table_16_128bytes))
	.int	JMPTBL(L(aligned_16_33bytes), L(table_16_128bytes))
	.int	JMPTBL(L(aligned_16_34bytes), L(table_16_128bytes))
	.int	JMPTBL(L(aligned_16_35bytes), L(table_16_128bytes))
	.int	JMPTBL(L(aligned_16_36bytes), L(table_16_128bytes))
	.int	JMPTBL(L(aligned_16_37bytes), L(table_16_128bytes))
	.int	JMPTBL(L(aligned_16_38bytes), L(table_16_128bytes))
	.int	JMPTBL(L(aligned_16_39bytes), L(table_16_128bytes))
	.int	JMPTBL(L(aligned_16_40bytes), L(table_16_128bytes))
	.int	JMPTBL(L(aligned_16_41bytes), L(table_16_128bytes))
	.int	JMPTBL(L(aligned_16_42bytes), L(table_16_128bytes))
	.int	JMPTBL(L(aligned_16_43bytes), L(table_16_128bytes))
	.int	JMPTBL(L(aligned_16_44bytes), L(table_16_128bytes))
	.int	JMPTBL(L(aligned_16_45bytes), L(table_16_128bytes))
	.int	JMPTBL(L(aligned_16_46bytes), L(table_16_128bytes))
	.int	JMPTBL(L(aligned_16_47bytes), L(table_16_128bytes))
	.int	JMPTBL(L(aligned_16_48bytes), L(table_16_128bytes))
	.int	JMPTBL(L(aligned_16_49bytes), L(table_16_128bytes))
	.int	JMPTBL(L(aligned_16_50bytes), L(table_16_128bytes))
	.int	JMPTBL(L(aligned_16_51bytes), L(table_16_128bytes))
	.int	JMPTBL(L(aligned_16_52bytes), L(table_16_128bytes))
	.int	JMPTBL(L(aligned_16_53bytes), L(table_16_128bytes))
	.int	JMPTBL(L(aligned_16_54bytes), L(table_16_128bytes))
	.int	JMPTBL(L(aligned_16_55bytes), L(table_16_128bytes))
	.int	JMPTBL(L(aligned_16_56bytes), L(table_16_128bytes))
	.int	JMPTBL(L(aligned_16_57bytes), L(table_16_128bytes))
	.int	JMPTBL(L(aligned_16_58bytes), L(table_16_128bytes))
	.int	JMPTBL(L(aligned_16_59bytes), L(table_16_128bytes))
	.int	JMPTBL(L(aligned_16_60bytes), L(table_16_128bytes))
	.int	JMPTBL(L(aligned_16_61bytes), L(table_16_128bytes))
	.int	JMPTBL(L(aligned_16_62bytes), L(table_16_128bytes))
	.int	JMPTBL(L(aligned_16_63bytes), L(table_16_128bytes))
	.int	JMPTBL(L(aligned_16_64bytes), L(table_16_128bytes))
	.int	JMPTBL(L(aligned_16_65bytes), L(table_16_128bytes))
	.int	JMPTBL(L(aligned_16_66bytes), L(table_16_128bytes))
	.int	JMPTBL(L(aligned_16_67bytes), L(table_16_128bytes))
	.int	JMPTBL(L(aligned_16_68bytes), L(table_16_128bytes))
	.int	JMPTBL(L(aligned_16_69bytes), L(table_16_128bytes))
	.int	JMPTBL(L(aligned_16_70bytes), L(table_16_128bytes))
	.int	JMPTBL(L(aligned_16_71bytes), L(table_16_128bytes))
	.int	JMPTBL(L(aligned_16_72bytes), L(table_16_128bytes))
	.int	JMPTBL(L(aligned_16_73bytes), L(table_16_128bytes))
	.int	JMPTBL(L(aligned_16_74bytes), L(table_16_128bytes))
	.int	JMPTBL(L(aligned_16_75bytes), L(table_16_128bytes))
	.int	JMPTBL(L(aligned_16_76bytes), L(table_16_128bytes))
	.int	JMPTBL(L(aligned_16_77bytes), L(table_16_128bytes))
	.int	JMPTBL(L(aligned_16_78bytes), L(table_16_128bytes))
	.int	JMPTBL(L(aligned_16_79bytes), L(table_16_128bytes))
	.int	JMPTBL(L(aligned_16_80bytes), L(table_16_128bytes))
	.int	JMPTBL(L(aligned_16_81bytes), L(table_16_128bytes))
	.int	JMPTBL(L(aligned_16_82bytes), L(table_16_128bytes))
	.int	JMPTBL(L(aligned_16_83bytes), L(table_16_128bytes))
	.int	JMPTBL(L(aligned_16_84bytes), L(table_16_128bytes))
	.int	JMPTBL(L(aligned_16_85bytes), L(table_16_128bytes))
	.int	JMPTBL(L(aligned_16_86bytes), L(table_16_128bytes))
	.int	JMPTBL(L(aligned_16_87bytes), L(table_16_128bytes))
	.int	JMPTBL(L(aligned_16_88bytes), L(table_16_128bytes))
	.int	JMPTBL(L(aligned_16_89bytes), L(table_16_128bytes))
	.int	JMPTBL(L(aligned_16_90bytes), L(table_16_128bytes))
	.int	JMPTBL(L(aligned_16_91bytes), L(table_16_128bytes))
	.int	JMPTBL(L(aligned_16_92bytes), L(table_16_128bytes))
	.int	JMPTBL(L(aligned_16_93bytes), L(table_16_128bytes))
	.int	JMPTBL(L(aligned_16_94bytes), L(table_16_128bytes))
	.int	JMPTBL(L(aligned_16_95bytes), L(table_16_128bytes))
	.int	JMPTBL(L(aligned_16_96bytes), L(table_16_128bytes))
	.int	JMPTBL(L(aligned_16_97bytes), L(table_16_128bytes))
	.int	JMPTBL(L(aligned_16_98bytes), L(table_16_128bytes))
	.int	JMPTBL(L(aligned_16_99bytes), L(table_16_128bytes))
	.int	JMPTBL(L(aligned_16_100bytes), L(table_16_128bytes))
	.int	JMPTBL(L(aligned_16_101bytes), L(table_16_128bytes))
	.int	JMPTBL(L(aligned_16_102bytes), L(table_16_128bytes))
	.int	JMPTBL(L(aligned_16_103bytes), L(table_16_128bytes))
	.int	JMPTBL(L(aligned_16_104bytes), L(table_16_128bytes))
	.int	JMPTBL(L(aligned_16_105bytes), L(table_16_128bytes))
	.int	JMPTBL(L(aligned_16_106bytes), L(table_16_128bytes))
	.int	JMPTBL(L(aligned_16_107bytes), L(table_16_128bytes))
	.int	JMPTBL(L(aligned_16_108bytes), L(table_16_128bytes))
	.int	JMPTBL(L(aligned_16_109bytes), L(table_16_128bytes))
	.int	JMPTBL(L(aligned_16_110bytes), L(table_16_128bytes))
	.int	JMPTBL(L(aligned_16_111bytes), L(table_16_128bytes))
	.int	JMPTBL(L(aligned_16_112bytes), L(table_16_128bytes))
	.int	JMPTBL(L(aligned_16_113bytes), L(table_16_128bytes))
	.int	JMPTBL(L(aligned_16_114bytes), L(table_16_128bytes))
	.int	JMPTBL(L(aligned_16_115bytes), L(table_16_128bytes))
	.int	JMPTBL(L(aligned_16_116bytes), L(table_16_128bytes))
	.int	JMPTBL(L(aligned_16_117bytes), L(table_16_128bytes))
	.int	JMPTBL(L(aligned_16_118bytes), L(table_16_128bytes))
	.int	JMPTBL(L(aligned_16_119bytes), L(table_16_128bytes))
	.int	JMPTBL(L(aligned_16_120bytes), L(table_16_128bytes))
	.int	JMPTBL(L(aligned_16_121bytes), L(table_16_128bytes))
	.int	JMPTBL(L(aligned_16_122bytes), L(table_16_128bytes))
	.int	JMPTBL(L(aligned_16_123bytes), L(table_16_128bytes))
	.int	JMPTBL(L(aligned_16_124bytes), L(table_16_128bytes))
	.int	JMPTBL(L(aligned_16_125bytes), L(table_16_128bytes))
	.int	JMPTBL(L(aligned_16_126bytes), L(table_16_128bytes))
	.int	JMPTBL(L(aligned_16_127bytes), L(table_16_128bytes))
	.popsection

	ALIGN(4)
L(aligned_16_112bytes):
	movdqa	%xmm0, -112(%edx)
L(aligned_16_96bytes):
	movdqa	%xmm0, -96(%edx)
L(aligned_16_80bytes):
	movdqa	%xmm0, -80(%edx)
L(aligned_16_64bytes):
	movdqa	%xmm0, -64(%edx)
L(aligned_16_48bytes):
	movdqa	%xmm0, -48(%edx)
L(aligned_16_32bytes):
	movdqa	%xmm0, -32(%edx)
L(aligned_16_16bytes):
	movdqa	%xmm0, -16(%edx)
L(aligned_16_0bytes):
	SETRTNVAL
	RETURN

	ALIGN(4)
L(aligned_16_113bytes):
	movdqa	%xmm0, -113(%edx)
L(aligned_16_97bytes):
	movdqa	%xmm0, -97(%edx)
L(aligned_16_81bytes):
	movdqa	%xmm0, -81(%edx)
L(aligned_16_65bytes):
	movdqa	%xmm0, -65(%edx)
L(aligned_16_49bytes):
	movdqa	%xmm0, -49(%edx)
L(aligned_16_33bytes):
	movdqa	%xmm0, -33(%edx)
L(aligned_16_17bytes):
	movdqa	%xmm0, -17(%edx)
L(aligned_16_1bytes):
	movb	%al, -1(%edx)
	SETRTNVAL
	RETURN

	ALIGN(4)
L(aligned_16_114bytes):
	movdqa	%xmm0, -114(%edx)
L(aligned_16_98bytes):
	movdqa	%xmm0, -98(%edx)
L(aligned_16_82bytes):
	movdqa	%xmm0, -82(%edx)
L(aligned_16_66bytes):
	movdqa	%xmm0, -66(%edx)
L(aligned_16_50bytes):
	movdqa	%xmm0, -50(%edx)
L(aligned_16_34bytes):
	movdqa	%xmm0, -34(%edx)
L(aligned_16_18bytes):
	movdqa	%xmm0, -18(%edx)
L(aligned_16_2bytes):
	movw	%ax, -2(%edx)
	SETRTNVAL
	RETURN

	ALIGN(4)
L(aligned_16_115bytes):
	movdqa	%xmm0, -115(%edx)
L(aligned_16_99bytes):
	movdqa	%xmm0, -99(%edx)
L(aligned_16_83bytes):
	movdqa	%xmm0, -83(%edx)
L(aligned_16_67bytes):
	movdqa	%xmm0, -67(%edx)
L(aligned_16_51bytes):
	movdqa	%xmm0, -51(%edx)
L(aligned_16_35bytes):
	movdqa	%xmm0, -35(%edx)
L(aligned_16_19bytes):
	movdqa	%xmm0, -19(%edx)
L(aligned_16_3bytes):
	movw	%ax, -3(%edx)
	movb	%al, -1(%edx)
	SETRTNVAL
	RETURN

	ALIGN(4)
L(aligned_16_116bytes):
	movdqa	%xmm0, -116(%edx)
L(aligned_16_100bytes):
	movdqa	%xmm0, -100(%edx)
L(aligned_16_84bytes):
	movdqa	%xmm0, -84(%edx)
L(aligned_16_68bytes):
	movdqa	%xmm0, -68(%edx)
L(aligned_16_52bytes):
	movdqa	%xmm0, -52(%edx)
L(aligned_16_36bytes):
	movdqa	%xmm0, -36(%edx)
L(aligned_16_20bytes):
	movdqa	%xmm0, -20(%edx)
L(aligned_16_4bytes):
	movl	%eax, -4(%edx)
	SETRTNVAL
	RETURN

	ALIGN(4)
L(aligned_16_117bytes):
	movdqa	%xmm0, -117(%edx)
L(aligned_16_101bytes):
	movdqa	%xmm0, -101(%edx)
L(aligned_16_85bytes):
	movdqa	%xmm0, -85(%edx)
L(aligned_16_69bytes):
	movdqa	%xmm0, -69(%edx)
L(aligned_16_53bytes):
	movdqa	%xmm0, -53(%edx)
L(aligned_16_37bytes):
	movdqa	%xmm0, -37(%edx)
L(aligned_16_21bytes):
	movdqa	%xmm0, -21(%edx)
L(aligned_16_5bytes):
	movl	%eax, -5(%edx)
	movb	%al, -1(%edx)
	SETRTNVAL
	RETURN

	ALIGN(4)
L(aligned_16_118bytes):
	movdqa	%xmm0, -118(%edx)
L(aligned_16_102bytes):
	movdqa	%xmm0, -102(%edx)
L(aligned_16_86bytes):
	movdqa	%xmm0, -86(%edx)
L(aligned_16_70bytes):
	movdqa	%xmm0, -70(%edx)
L(aligned_16_54bytes):
	movdqa	%xmm0, -54(%edx)
L(aligned_16_38bytes):
	movdqa	%xmm0, -38(%edx)
L(aligned_16_22bytes):
	movdqa	%xmm0, -22(%edx)
L(aligned_16_6bytes):
	movl	%eax, -6(%edx)
	movw	%ax, -2(%edx)
	SETRTNVAL
	RETURN

	ALIGN(4)
L(aligned_16_119bytes):
	movdqa	%xmm0, -119(%edx)
L(aligned_16_103bytes):
	movdqa	%xmm0, -103(%edx)
L(aligned_16_87bytes):
	movdqa	%xmm0, -87(%edx)
L(aligned_16_71bytes):
	movdqa	%xmm0, -71(%edx)
L(aligned_16_55bytes):
	movdqa	%xmm0, -55(%edx)
L(aligned_16_39bytes):
	movdqa	%xmm0, -39(%edx)
L(aligned_16_23bytes):
	movdqa	%xmm0, -23(%edx)
L(aligned_16_7bytes):
	movl	%eax, -7(%edx)
	movw	%ax, -3(%edx)
	movb	%al, -1(%edx)
	SETRTNVAL
	RETURN

	ALIGN(4)
L(aligned_16_120bytes):
	movdqa	%xmm0, -120(%edx)
L(aligned_16_104bytes):
	movdqa	%xmm0, -104(%edx)
L(aligned_16_88bytes):
	movdqa	%xmm0, -88(%edx)
L(aligned_16_72bytes):
	movdqa	%xmm0, -72(%edx)
L(aligned_16_56bytes):
	movdqa	%xmm0, -56(%edx)
L(aligned_16_40bytes):
	movdqa	%xmm0, -40(%edx)
L(aligned_16_24bytes):
	movdqa	%xmm0, -24(%edx)
L(aligned_16_8bytes):
	movq	%xmm0, -8(%edx)
	SETRTNVAL
	RETURN

	ALIGN(4)
L(aligned_16_121bytes):
	movdqa	%xmm0, -121(%edx)
L(aligned_16_105bytes):
	movdqa	%xmm0, -105(%edx)
L(aligned_16_89bytes):
	movdqa	%xmm0, -89(%edx)
L(aligned_16_73bytes):
	movdqa	%xmm0, -73(%edx)
L(aligned_16_57bytes):
	movdqa	%xmm0, -57(%edx)
L(aligned_16_41bytes):
	movdqa	%xmm0, -41(%edx)
L(aligned_16_25bytes):
	movdqa	%xmm0, -25(%edx)
L(aligned_16_9bytes):
	movq	%xmm0, -9(%edx)
	movb	%al, -1(%edx)
	SETRTNVAL
	RETURN

	ALIGN(4)
L(aligned_16_122bytes):
	movdqa	%xmm0, -122(%edx)
L(aligned_16_106bytes):
	movdqa	%xmm0, -106(%edx)
L(aligned_16_90bytes):
	movdqa	%xmm0, -90(%edx)
L(aligned_16_74bytes):
	movdqa	%xmm0, -74(%edx)
L(aligned_16_58bytes):
	movdqa	%xmm0, -58(%edx)
L(aligned_16_42bytes):
	movdqa	%xmm0, -42(%edx)
L(aligned_16_26bytes):
	movdqa	%xmm0, -26(%edx)
L(aligned_16_10bytes):
	movq	%xmm0, -10(%edx)
	movw	%ax, -2(%edx)
	SETRTNVAL
	RETURN

	ALIGN(4)
L(aligned_16_123bytes):
	movdqa	%xmm0, -123(%edx)
L(aligned_16_107bytes):
	movdqa	%xmm0, -107(%edx)
L(aligned_16_91bytes):
	movdqa	%xmm0, -91(%edx)
L(aligned_16_75bytes):
	movdqa	%xmm0, -75(%edx)
L(aligned_16_59bytes):
	movdqa	%xmm0, -59(%edx)
L(aligned_16_43bytes):
	movdqa	%xmm0, -43(%edx)
L(aligned_16_27bytes):
	movdqa	%xmm0, -27(%edx)
L(aligned_16_11bytes):
	movq	%xmm0, -11(%edx)
	movw	%ax, -3(%edx)
	movb	%al, -1(%edx)
	SETRTNVAL
	RETURN

	ALIGN(4)
L(aligned_16_124bytes):
	movdqa	%xmm0, -124(%edx)
L(aligned_16_108bytes):
	movdqa	%xmm0, -108(%edx)
L(aligned_16_92bytes):
	movdqa	%xmm0, -92(%edx)
L(aligned_16_76bytes):
	movdqa	%xmm0, -76(%edx)
L(aligned_16_60bytes):
	movdqa	%xmm0, -60(%edx)
L(aligned_16_44bytes):
	movdqa	%xmm0, -44(%edx)
L(aligned_16_28bytes):
	movdqa	%xmm0, -28(%edx)
L(aligned_16_12bytes):
	movq	%xmm0, -12(%edx)
	movl	%eax, -4(%edx)
	SETRTNVAL
	RETURN

	ALIGN(4)
L(aligned_16_125bytes):
	movdqa	%xmm0, -125(%edx)
L(aligned_16_109bytes):
	movdqa	%xmm0, -109(%edx)
L(aligned_16_93bytes):
	movdqa	%xmm0, -93(%edx)
L(aligned_16_77bytes):
	movdqa	%xmm0, -77(%edx)
L(aligned_16_61bytes):
	movdqa	%xmm0, -61(%edx)
L(aligned_16_45bytes):
	movdqa	%xmm0, -45(%edx)
L(aligned_16_29bytes):
	movdqa	%xmm0, -29(%edx)
L(aligned_16_13bytes):
	movq	%xmm0, -13(%edx)
	movl	%eax, -5(%edx)
	movb	%al, -1(%edx)
	SETRTNVAL
	RETURN

	ALIGN(4)
L(aligned_16_126bytes):
	movdqa	%xmm0, -126(%edx)
L(aligned_16_110bytes):
	movdqa	%xmm0, -110(%edx)
L(aligned_16_94bytes):
	movdqa	%xmm0, -94(%edx)
L(aligned_16_78bytes):
	movdqa	%xmm0, -78(%edx)
L(aligned_16_62bytes):
	movdqa	%xmm0, -62(%edx)
L(aligned_16_46bytes):
	movdqa	%xmm0, -46(%edx)
L(aligned_16_30bytes):
	movdqa	%xmm0, -30(%edx)
L(aligned_16_14bytes):
	movq	%xmm0, -14(%edx)
	movl	%eax, -6(%edx)
	movw	%ax, -2(%edx)
	SETRTNVAL
	RETURN

	ALIGN(4)
L(aligned_16_127bytes):
	movdqa	%xmm0, -127(%edx)
L(aligned_16_111bytes):
	movdqa	%xmm0, -111(%edx)
L(aligned_16_95bytes):
	movdqa	%xmm0, -95(%edx)
L(aligned_16_79bytes):
	movdqa	%xmm0, -79(%edx)
L(aligned_16_63bytes):
	movdqa	%xmm0, -63(%edx)
L(aligned_16_47bytes):
	movdqa	%xmm0, -47(%edx)
L(aligned_16_31bytes):
	movdqa	%xmm0, -31(%edx)
L(aligned_16_15bytes):
	movq	%xmm0, -15(%edx)
	movl	%eax, -7(%edx)
	movw	%ax, -3(%edx)
	movb	%al, -1(%edx)
	SETRTNVAL
	RETURN_END

END(memset)