[PATCH v9 3/6] x86: Update memmove to use new VEC macros
Noah Goldstein
goldstein.w.n@gmail.com
Sat Oct 15 02:57:02 GMT 2022
On Fri, Oct 14, 2022 at 9:53 PM H.J. Lu <hjl.tools@gmail.com> wrote:
>
> On Fri, Oct 14, 2022 at 5:21 PM Noah Goldstein <goldstein.w.n@gmail.com> wrote:
> >
> > Replace %VEC(n) -> %VMM(n)
> >
> > This commit does not change libc.so
> >
> > Tested build on x86-64
> > ---
> > .../memmove-avx-unaligned-erms-rtm.S | 15 +-
> > .../multiarch/memmove-avx-unaligned-erms.S | 9 +-
> > .../multiarch/memmove-avx512-unaligned-erms.S | 30 +-
> > .../multiarch/memmove-evex-unaligned-erms.S | 30 +-
> > .../multiarch/memmove-sse2-unaligned-erms.S | 11 +-
> > .../multiarch/memmove-vec-unaligned-erms.S | 262 +++++++++---------
> > 6 files changed, 135 insertions(+), 222 deletions(-)
> >
> > diff --git a/sysdeps/x86_64/multiarch/memmove-avx-unaligned-erms-rtm.S b/sysdeps/x86_64/multiarch/memmove-avx-unaligned-erms-rtm.S
> > index 67a55f0c85..c2a95dc247 100644
> > --- a/sysdeps/x86_64/multiarch/memmove-avx-unaligned-erms-rtm.S
> > +++ b/sysdeps/x86_64/multiarch/memmove-avx-unaligned-erms-rtm.S
> > @@ -1,16 +1,9 @@
> > -#if IS_IN (libc)
>
> Keep this.
>
> > -# define VEC_SIZE 32
> > -# define VEC(i) ymm##i
> > -# define VMOVNT vmovntdq
> > -# define VMOVU vmovdqu
> > -# define VMOVA vmovdqa
> > -# define MOV_SIZE 4
> > -# define ZERO_UPPER_VEC_REGISTERS_RETURN \
> > - ZERO_UPPER_VEC_REGISTERS_RETURN_XTEST
> > +#include <isa-level.h>
> >
> > -# define VZEROUPPER_RETURN jmp L(return)
> > +#if ISA_SHOULD_BUILD (3)
>
> This ISA_SHOULD_BUILD change isn't needed.
kk will fix for next version. Although I think we should patch that.
>
> > +# include "x86-avx-rtm-vecs.h"
> >
> > -# define SECTION(p) p##.avx.rtm
> > # define MEMMOVE_SYMBOL(p,s) p##_avx_##s##_rtm
> >
> > # include "memmove-vec-unaligned-erms.S"
> > diff --git a/sysdeps/x86_64/multiarch/memmove-avx-unaligned-erms.S b/sysdeps/x86_64/multiarch/memmove-avx-unaligned-erms.S
> > index a14b155667..4e4b4635f9 100644
> > --- a/sysdeps/x86_64/multiarch/memmove-avx-unaligned-erms.S
> > +++ b/sysdeps/x86_64/multiarch/memmove-avx-unaligned-erms.S
> > @@ -2,14 +2,7 @@
> >
> > #if ISA_SHOULD_BUILD (3)
> >
> > -# define VEC_SIZE 32
> > -# define VEC(i) ymm##i
> > -# define VMOVNT vmovntdq
> > -# define VMOVU vmovdqu
> > -# define VMOVA vmovdqa
> > -# define MOV_SIZE 4
> > -
> > -# define SECTION(p) p##.avx
> > +# include "x86-avx-vecs.h"
> >
> > # ifndef MEMMOVE_SYMBOL
> > # define MEMMOVE_SYMBOL(p,s) p##_avx_##s
> > diff --git a/sysdeps/x86_64/multiarch/memmove-avx512-unaligned-erms.S b/sysdeps/x86_64/multiarch/memmove-avx512-unaligned-erms.S
> > index 8d1568a7ba..cca97e38f8 100644
> > --- a/sysdeps/x86_64/multiarch/memmove-avx512-unaligned-erms.S
> > +++ b/sysdeps/x86_64/multiarch/memmove-avx512-unaligned-erms.S
> > @@ -2,35 +2,7 @@
> >
> > #if ISA_SHOULD_BUILD (4)
> >
> > -# define VEC_SIZE 64
> > -# define XMM0 xmm16
> > -# define XMM1 xmm17
> > -# define YMM0 ymm16
> > -# define YMM1 ymm17
> > -# define VEC0 zmm16
> > -# define VEC1 zmm17
> > -# define VEC2 zmm18
> > -# define VEC3 zmm19
> > -# define VEC4 zmm20
> > -# define VEC5 zmm21
> > -# define VEC6 zmm22
> > -# define VEC7 zmm23
> > -# define VEC8 zmm24
> > -# define VEC9 zmm25
> > -# define VEC10 zmm26
> > -# define VEC11 zmm27
> > -# define VEC12 zmm28
> > -# define VEC13 zmm29
> > -# define VEC14 zmm30
> > -# define VEC15 zmm31
> > -# define VEC(i) VEC##i
> > -# define VMOVNT vmovntdq
> > -# define VMOVU vmovdqu64
> > -# define VMOVA vmovdqa64
> > -# define VZEROUPPER
> > -# define MOV_SIZE 6
> > -
> > -# define SECTION(p) p##.evex512
> > +# include "x86-evex512-vecs.h"
> >
> > # ifndef MEMMOVE_SYMBOL
> > # define MEMMOVE_SYMBOL(p,s) p##_avx512_##s
> > diff --git a/sysdeps/x86_64/multiarch/memmove-evex-unaligned-erms.S b/sysdeps/x86_64/multiarch/memmove-evex-unaligned-erms.S
> > index 2373017358..1f7b5715f7 100644
> > --- a/sysdeps/x86_64/multiarch/memmove-evex-unaligned-erms.S
> > +++ b/sysdeps/x86_64/multiarch/memmove-evex-unaligned-erms.S
> > @@ -2,35 +2,7 @@
> >
> > #if ISA_SHOULD_BUILD (4)
> >
> > -# define VEC_SIZE 32
> > -# define XMM0 xmm16
> > -# define XMM1 xmm17
> > -# define YMM0 ymm16
> > -# define YMM1 ymm17
> > -# define VEC0 ymm16
> > -# define VEC1 ymm17
> > -# define VEC2 ymm18
> > -# define VEC3 ymm19
> > -# define VEC4 ymm20
> > -# define VEC5 ymm21
> > -# define VEC6 ymm22
> > -# define VEC7 ymm23
> > -# define VEC8 ymm24
> > -# define VEC9 ymm25
> > -# define VEC10 ymm26
> > -# define VEC11 ymm27
> > -# define VEC12 ymm28
> > -# define VEC13 ymm29
> > -# define VEC14 ymm30
> > -# define VEC15 ymm31
> > -# define VEC(i) VEC##i
> > -# define VMOVNT vmovntdq
> > -# define VMOVU vmovdqu64
> > -# define VMOVA vmovdqa64
> > -# define VZEROUPPER
> > -# define MOV_SIZE 6
> > -
> > -# define SECTION(p) p##.evex
> > +# include "x86-evex256-vecs.h"
> >
> > # ifndef MEMMOVE_SYMBOL
> > # define MEMMOVE_SYMBOL(p,s) p##_evex_##s
> > diff --git a/sysdeps/x86_64/multiarch/memmove-sse2-unaligned-erms.S b/sysdeps/x86_64/multiarch/memmove-sse2-unaligned-erms.S
> > index 422a079902..8431bcd000 100644
> > --- a/sysdeps/x86_64/multiarch/memmove-sse2-unaligned-erms.S
> > +++ b/sysdeps/x86_64/multiarch/memmove-sse2-unaligned-erms.S
> > @@ -22,18 +22,9 @@
> > so we need this to build for ISA V2 builds. */
> > #if ISA_SHOULD_BUILD (2)
> >
> > -# include <sysdep.h>
> > +# include "x86-sse2-vecs.h"
> >
> > -# define VEC_SIZE 16
> > -# define VEC(i) xmm##i
> > # define PREFETCHNT prefetchnta
> > -# define VMOVNT movntdq
> > -/* Use movups and movaps for smaller code sizes. */
> > -# define VMOVU movups
> > -# define VMOVA movaps
> > -# define MOV_SIZE 3
> > -
> > -# define SECTION(p) p
> >
> > # ifndef MEMMOVE_SYMBOL
> > # define MEMMOVE_SYMBOL(p,s) p##_sse2_##s
> > diff --git a/sysdeps/x86_64/multiarch/memmove-vec-unaligned-erms.S b/sysdeps/x86_64/multiarch/memmove-vec-unaligned-erms.S
> > index 04747133b7..5b758cae5e 100644
> > --- a/sysdeps/x86_64/multiarch/memmove-vec-unaligned-erms.S
> > +++ b/sysdeps/x86_64/multiarch/memmove-vec-unaligned-erms.S
> > @@ -60,14 +60,6 @@
> > # define MEMMOVE_CHK_SYMBOL(p,s) MEMMOVE_SYMBOL(p, s)
> > #endif
> >
> > -#ifndef XMM0
> > -# define XMM0 xmm0
> > -#endif
> > -
> > -#ifndef YMM0
> > -# define YMM0 ymm0
> > -#endif
> > -
> > #ifndef VZEROUPPER
> > # if VEC_SIZE > 16
> > # define VZEROUPPER vzeroupper
> > @@ -225,13 +217,13 @@ L(start):
> > cmp $VEC_SIZE, %RDX_LP
> > jb L(less_vec)
> > /* Load regardless. */
> > - VMOVU (%rsi), %VEC(0)
> > + VMOVU (%rsi), %VMM(0)
> > cmp $(VEC_SIZE * 2), %RDX_LP
> > ja L(more_2x_vec)
> > /* From VEC and to 2 * VEC. No branch when size == VEC_SIZE. */
> > - VMOVU -VEC_SIZE(%rsi,%rdx), %VEC(1)
> > - VMOVU %VEC(0), (%rdi)
> > - VMOVU %VEC(1), -VEC_SIZE(%rdi,%rdx)
> > + VMOVU -VEC_SIZE(%rsi,%rdx), %VMM(1)
> > + VMOVU %VMM(0), (%rdi)
> > + VMOVU %VMM(1), -VEC_SIZE(%rdi,%rdx)
> > #if !(defined USE_MULTIARCH && IS_IN (libc))
> > ZERO_UPPER_VEC_REGISTERS_RETURN
> > #else
> > @@ -270,15 +262,15 @@ L(start_erms):
> > cmp $VEC_SIZE, %RDX_LP
> > jb L(less_vec)
> > /* Load regardless. */
> > - VMOVU (%rsi), %VEC(0)
> > + VMOVU (%rsi), %VMM(0)
> > cmp $(VEC_SIZE * 2), %RDX_LP
> > ja L(movsb_more_2x_vec)
> > /* From VEC and to 2 * VEC. No branch when size == VEC_SIZE.
> > */
> > - VMOVU -VEC_SIZE(%rsi, %rdx), %VEC(1)
> > - VMOVU %VEC(0), (%rdi)
> > - VMOVU %VEC(1), -VEC_SIZE(%rdi, %rdx)
> > -L(return):
> > + VMOVU -VEC_SIZE(%rsi, %rdx), %VMM(1)
> > + VMOVU %VMM(0), (%rdi)
> > + VMOVU %VMM(1), -VEC_SIZE(%rdi, %rdx)
> > +L(return_vzeroupper):
> > # if VEC_SIZE > 16
> > ZERO_UPPER_VEC_REGISTERS_RETURN
> > # else
> > @@ -359,10 +351,10 @@ L(between_16_31):
> > .p2align 4,, 10
> > L(between_32_63):
> > /* From 32 to 63. No branch when size == 32. */
> > - VMOVU (%rsi), %YMM0
> > - VMOVU -32(%rsi, %rdx), %YMM1
> > - VMOVU %YMM0, (%rdi)
> > - VMOVU %YMM1, -32(%rdi, %rdx)
> > + VMOVU (%rsi), %VMM_256(0)
> > + VMOVU -32(%rsi, %rdx), %VMM_256(1)
> > + VMOVU %VMM_256(0), (%rdi)
> > + VMOVU %VMM_256(1), -32(%rdi, %rdx)
> > VZEROUPPER_RETURN
> > #endif
> >
> > @@ -380,12 +372,12 @@ L(last_4x_vec):
> > /* Copy from 2 * VEC + 1 to 4 * VEC, inclusively. */
> >
> > /* VEC(0) and VEC(1) have already been loaded. */
> > - VMOVU -VEC_SIZE(%rsi, %rdx), %VEC(2)
> > - VMOVU -(VEC_SIZE * 2)(%rsi, %rdx), %VEC(3)
> > - VMOVU %VEC(0), (%rdi)
> > - VMOVU %VEC(1), VEC_SIZE(%rdi)
> > - VMOVU %VEC(2), -VEC_SIZE(%rdi, %rdx)
> > - VMOVU %VEC(3), -(VEC_SIZE * 2)(%rdi, %rdx)
> > + VMOVU -VEC_SIZE(%rsi, %rdx), %VMM(2)
> > + VMOVU -(VEC_SIZE * 2)(%rsi, %rdx), %VMM(3)
> > + VMOVU %VMM(0), (%rdi)
> > + VMOVU %VMM(1), VEC_SIZE(%rdi)
> > + VMOVU %VMM(2), -VEC_SIZE(%rdi, %rdx)
> > + VMOVU %VMM(3), -(VEC_SIZE * 2)(%rdi, %rdx)
> > VZEROUPPER_RETURN
> >
> > .p2align 4
> > @@ -400,24 +392,24 @@ L(more_2x_vec):
> > cmpq $(VEC_SIZE * 8), %rdx
> > ja L(more_8x_vec)
> > /* Load VEC(1) regardless. VEC(0) has already been loaded. */
> > - VMOVU VEC_SIZE(%rsi), %VEC(1)
> > + VMOVU VEC_SIZE(%rsi), %VMM(1)
> > cmpq $(VEC_SIZE * 4), %rdx
> > jbe L(last_4x_vec)
> > /* Copy from 4 * VEC + 1 to 8 * VEC, inclusively. */
> > - VMOVU (VEC_SIZE * 2)(%rsi), %VEC(2)
> > - VMOVU (VEC_SIZE * 3)(%rsi), %VEC(3)
> > - VMOVU -VEC_SIZE(%rsi, %rdx), %VEC(4)
> > - VMOVU -(VEC_SIZE * 2)(%rsi, %rdx), %VEC(5)
> > - VMOVU -(VEC_SIZE * 3)(%rsi, %rdx), %VEC(6)
> > - VMOVU -(VEC_SIZE * 4)(%rsi, %rdx), %VEC(7)
> > - VMOVU %VEC(0), (%rdi)
> > - VMOVU %VEC(1), VEC_SIZE(%rdi)
> > - VMOVU %VEC(2), (VEC_SIZE * 2)(%rdi)
> > - VMOVU %VEC(3), (VEC_SIZE * 3)(%rdi)
> > - VMOVU %VEC(4), -VEC_SIZE(%rdi, %rdx)
> > - VMOVU %VEC(5), -(VEC_SIZE * 2)(%rdi, %rdx)
> > - VMOVU %VEC(6), -(VEC_SIZE * 3)(%rdi, %rdx)
> > - VMOVU %VEC(7), -(VEC_SIZE * 4)(%rdi, %rdx)
> > + VMOVU (VEC_SIZE * 2)(%rsi), %VMM(2)
> > + VMOVU (VEC_SIZE * 3)(%rsi), %VMM(3)
> > + VMOVU -VEC_SIZE(%rsi, %rdx), %VMM(4)
> > + VMOVU -(VEC_SIZE * 2)(%rsi, %rdx), %VMM(5)
> > + VMOVU -(VEC_SIZE * 3)(%rsi, %rdx), %VMM(6)
> > + VMOVU -(VEC_SIZE * 4)(%rsi, %rdx), %VMM(7)
> > + VMOVU %VMM(0), (%rdi)
> > + VMOVU %VMM(1), VEC_SIZE(%rdi)
> > + VMOVU %VMM(2), (VEC_SIZE * 2)(%rdi)
> > + VMOVU %VMM(3), (VEC_SIZE * 3)(%rdi)
> > + VMOVU %VMM(4), -VEC_SIZE(%rdi, %rdx)
> > + VMOVU %VMM(5), -(VEC_SIZE * 2)(%rdi, %rdx)
> > + VMOVU %VMM(6), -(VEC_SIZE * 3)(%rdi, %rdx)
> > + VMOVU %VMM(7), -(VEC_SIZE * 4)(%rdi, %rdx)
> > VZEROUPPER_RETURN
> >
> > .p2align 4,, 4
> > @@ -466,14 +458,14 @@ L(more_8x_vec_forward):
> > */
> >
> > /* First vec was already loaded into VEC(0). */
> > - VMOVU -VEC_SIZE(%rsi, %rdx), %VEC(5)
> > - VMOVU -(VEC_SIZE * 2)(%rsi, %rdx), %VEC(6)
> > + VMOVU -VEC_SIZE(%rsi, %rdx), %VMM(5)
> > + VMOVU -(VEC_SIZE * 2)(%rsi, %rdx), %VMM(6)
> > /* Save begining of dst. */
> > movq %rdi, %rcx
> > /* Align dst to VEC_SIZE - 1. */
> > orq $(VEC_SIZE - 1), %rdi
> > - VMOVU -(VEC_SIZE * 3)(%rsi, %rdx), %VEC(7)
> > - VMOVU -(VEC_SIZE * 4)(%rsi, %rdx), %VEC(8)
> > + VMOVU -(VEC_SIZE * 3)(%rsi, %rdx), %VMM(7)
> > + VMOVU -(VEC_SIZE * 4)(%rsi, %rdx), %VMM(8)
> >
> > /* Subtract dst from src. Add back after dst aligned. */
> > subq %rcx, %rsi
> > @@ -488,25 +480,25 @@ L(more_8x_vec_forward):
> > .p2align 4,, 11
> > L(loop_4x_vec_forward):
> > /* Copy 4 * VEC a time forward. */
> > - VMOVU (%rsi), %VEC(1)
> > - VMOVU VEC_SIZE(%rsi), %VEC(2)
> > - VMOVU (VEC_SIZE * 2)(%rsi), %VEC(3)
> > - VMOVU (VEC_SIZE * 3)(%rsi), %VEC(4)
> > + VMOVU (%rsi), %VMM(1)
> > + VMOVU VEC_SIZE(%rsi), %VMM(2)
> > + VMOVU (VEC_SIZE * 2)(%rsi), %VMM(3)
> > + VMOVU (VEC_SIZE * 3)(%rsi), %VMM(4)
> > subq $-(VEC_SIZE * 4), %rsi
> > - VMOVA %VEC(1), (%rdi)
> > - VMOVA %VEC(2), VEC_SIZE(%rdi)
> > - VMOVA %VEC(3), (VEC_SIZE * 2)(%rdi)
> > - VMOVA %VEC(4), (VEC_SIZE * 3)(%rdi)
> > + VMOVA %VMM(1), (%rdi)
> > + VMOVA %VMM(2), VEC_SIZE(%rdi)
> > + VMOVA %VMM(3), (VEC_SIZE * 2)(%rdi)
> > + VMOVA %VMM(4), (VEC_SIZE * 3)(%rdi)
> > subq $-(VEC_SIZE * 4), %rdi
> > cmpq %rdi, %rdx
> > ja L(loop_4x_vec_forward)
> > /* Store the last 4 * VEC. */
> > - VMOVU %VEC(5), (VEC_SIZE * 3)(%rdx)
> > - VMOVU %VEC(6), (VEC_SIZE * 2)(%rdx)
> > - VMOVU %VEC(7), VEC_SIZE(%rdx)
> > - VMOVU %VEC(8), (%rdx)
> > + VMOVU %VMM(5), (VEC_SIZE * 3)(%rdx)
> > + VMOVU %VMM(6), (VEC_SIZE * 2)(%rdx)
> > + VMOVU %VMM(7), VEC_SIZE(%rdx)
> > + VMOVU %VMM(8), (%rdx)
> > /* Store the first VEC. */
> > - VMOVU %VEC(0), (%rcx)
> > + VMOVU %VMM(0), (%rcx)
> > /* Keep L(nop_backward) target close to jmp for 2-byte encoding.
> > */
> > L(nop_backward):
> > @@ -523,12 +515,12 @@ L(more_8x_vec_backward):
> > addresses. */
> >
> > /* First vec was also loaded into VEC(0). */
> > - VMOVU VEC_SIZE(%rsi), %VEC(5)
> > - VMOVU (VEC_SIZE * 2)(%rsi), %VEC(6)
> > + VMOVU VEC_SIZE(%rsi), %VMM(5)
> > + VMOVU (VEC_SIZE * 2)(%rsi), %VMM(6)
> > /* Begining of region for 4x backward copy stored in rcx. */
> > leaq (VEC_SIZE * -4 + -1)(%rdi, %rdx), %rcx
> > - VMOVU (VEC_SIZE * 3)(%rsi), %VEC(7)
> > - VMOVU -VEC_SIZE(%rsi, %rdx), %VEC(8)
> > + VMOVU (VEC_SIZE * 3)(%rsi), %VMM(7)
> > + VMOVU -VEC_SIZE(%rsi, %rdx), %VMM(8)
> > /* Subtract dst from src. Add back after dst aligned. */
> > subq %rdi, %rsi
> > /* Align dst. */
> > @@ -540,25 +532,25 @@ L(more_8x_vec_backward):
> > .p2align 4,, 11
> > L(loop_4x_vec_backward):
> > /* Copy 4 * VEC a time backward. */
> > - VMOVU (VEC_SIZE * 3)(%rsi), %VEC(1)
> > - VMOVU (VEC_SIZE * 2)(%rsi), %VEC(2)
> > - VMOVU (VEC_SIZE * 1)(%rsi), %VEC(3)
> > - VMOVU (VEC_SIZE * 0)(%rsi), %VEC(4)
> > + VMOVU (VEC_SIZE * 3)(%rsi), %VMM(1)
> > + VMOVU (VEC_SIZE * 2)(%rsi), %VMM(2)
> > + VMOVU (VEC_SIZE * 1)(%rsi), %VMM(3)
> > + VMOVU (VEC_SIZE * 0)(%rsi), %VMM(4)
> > addq $(VEC_SIZE * -4), %rsi
> > - VMOVA %VEC(1), (VEC_SIZE * 3)(%rcx)
> > - VMOVA %VEC(2), (VEC_SIZE * 2)(%rcx)
> > - VMOVA %VEC(3), (VEC_SIZE * 1)(%rcx)
> > - VMOVA %VEC(4), (VEC_SIZE * 0)(%rcx)
> > + VMOVA %VMM(1), (VEC_SIZE * 3)(%rcx)
> > + VMOVA %VMM(2), (VEC_SIZE * 2)(%rcx)
> > + VMOVA %VMM(3), (VEC_SIZE * 1)(%rcx)
> > + VMOVA %VMM(4), (VEC_SIZE * 0)(%rcx)
> > addq $(VEC_SIZE * -4), %rcx
> > cmpq %rcx, %rdi
> > jb L(loop_4x_vec_backward)
> > /* Store the first 4 * VEC. */
> > - VMOVU %VEC(0), (%rdi)
> > - VMOVU %VEC(5), VEC_SIZE(%rdi)
> > - VMOVU %VEC(6), (VEC_SIZE * 2)(%rdi)
> > - VMOVU %VEC(7), (VEC_SIZE * 3)(%rdi)
> > + VMOVU %VMM(0), (%rdi)
> > + VMOVU %VMM(5), VEC_SIZE(%rdi)
> > + VMOVU %VMM(6), (VEC_SIZE * 2)(%rdi)
> > + VMOVU %VMM(7), (VEC_SIZE * 3)(%rdi)
> > /* Store the last VEC. */
> > - VMOVU %VEC(8), -VEC_SIZE(%rdx, %rdi)
> > + VMOVU %VMM(8), -VEC_SIZE(%rdx, %rdi)
> > VZEROUPPER_RETURN
> >
> > #if defined USE_MULTIARCH && IS_IN (libc)
> > @@ -568,7 +560,7 @@ L(loop_4x_vec_backward):
> > # if ALIGN_MOVSB
> > L(skip_short_movsb_check):
> > # if MOVSB_ALIGN_TO > VEC_SIZE
> > - VMOVU VEC_SIZE(%rsi), %VEC(1)
> > + VMOVU VEC_SIZE(%rsi), %VMM(1)
> > # endif
> > # if MOVSB_ALIGN_TO > (VEC_SIZE * 2)
> > # error Unsupported MOVSB_ALIGN_TO
> > @@ -597,9 +589,9 @@ L(skip_short_movsb_check):
> >
> > rep movsb
> >
> > - VMOVU %VEC(0), (%r8)
> > + VMOVU %VMM(0), (%r8)
> > # if MOVSB_ALIGN_TO > VEC_SIZE
> > - VMOVU %VEC(1), VEC_SIZE(%r8)
> > + VMOVU %VMM(1), VEC_SIZE(%r8)
> > # endif
> > VZEROUPPER_RETURN
> > # endif
> > @@ -640,7 +632,7 @@ L(movsb):
> > # endif
> > # if ALIGN_MOVSB
> > # if MOVSB_ALIGN_TO > VEC_SIZE
> > - VMOVU VEC_SIZE(%rsi), %VEC(1)
> > + VMOVU VEC_SIZE(%rsi), %VMM(1)
> > # endif
> > # if MOVSB_ALIGN_TO > (VEC_SIZE * 2)
> > # error Unsupported MOVSB_ALIGN_TO
> > @@ -664,9 +656,9 @@ L(movsb_align_dst):
> > rep movsb
> >
> > /* Store VECs loaded for aligning. */
> > - VMOVU %VEC(0), (%r8)
> > + VMOVU %VMM(0), (%r8)
> > # if MOVSB_ALIGN_TO > VEC_SIZE
> > - VMOVU %VEC(1), VEC_SIZE(%r8)
> > + VMOVU %VMM(1), VEC_SIZE(%r8)
> > # endif
> > VZEROUPPER_RETURN
> > # else /* !ALIGN_MOVSB. */
> > @@ -701,18 +693,18 @@ L(large_memcpy_2x):
> >
> > /* First vec was also loaded into VEC(0). */
> > # if VEC_SIZE < 64
> > - VMOVU VEC_SIZE(%rsi), %VEC(1)
> > + VMOVU VEC_SIZE(%rsi), %VMM(1)
> > # if VEC_SIZE < 32
> > - VMOVU (VEC_SIZE * 2)(%rsi), %VEC(2)
> > - VMOVU (VEC_SIZE * 3)(%rsi), %VEC(3)
> > + VMOVU (VEC_SIZE * 2)(%rsi), %VMM(2)
> > + VMOVU (VEC_SIZE * 3)(%rsi), %VMM(3)
> > # endif
> > # endif
> > - VMOVU %VEC(0), (%rdi)
> > + VMOVU %VMM(0), (%rdi)
> > # if VEC_SIZE < 64
> > - VMOVU %VEC(1), VEC_SIZE(%rdi)
> > + VMOVU %VMM(1), VEC_SIZE(%rdi)
> > # if VEC_SIZE < 32
> > - VMOVU %VEC(2), (VEC_SIZE * 2)(%rdi)
> > - VMOVU %VEC(3), (VEC_SIZE * 3)(%rdi)
> > + VMOVU %VMM(2), (VEC_SIZE * 2)(%rdi)
> > + VMOVU %VMM(3), (VEC_SIZE * 3)(%rdi)
> > # endif
> > # endif
> >
> > @@ -761,12 +753,12 @@ L(loop_large_memcpy_2x_inner):
> > PREFETCH_ONE_SET(1, (%rsi), PAGE_SIZE + PREFETCHED_LOAD_SIZE)
> > PREFETCH_ONE_SET(1, (%rsi), PAGE_SIZE + PREFETCHED_LOAD_SIZE * 2)
> > /* Load vectors from rsi. */
> > - LOAD_ONE_SET((%rsi), 0, %VEC(0), %VEC(1), %VEC(2), %VEC(3))
> > - LOAD_ONE_SET((%rsi), PAGE_SIZE, %VEC(4), %VEC(5), %VEC(6), %VEC(7))
> > + LOAD_ONE_SET((%rsi), 0, %VMM(0), %VMM(1), %VMM(2), %VMM(3))
> > + LOAD_ONE_SET((%rsi), PAGE_SIZE, %VMM(4), %VMM(5), %VMM(6), %VMM(7))
> > subq $-LARGE_LOAD_SIZE, %rsi
> > /* Non-temporal store vectors to rdi. */
> > - STORE_ONE_SET((%rdi), 0, %VEC(0), %VEC(1), %VEC(2), %VEC(3))
> > - STORE_ONE_SET((%rdi), PAGE_SIZE, %VEC(4), %VEC(5), %VEC(6), %VEC(7))
> > + STORE_ONE_SET((%rdi), 0, %VMM(0), %VMM(1), %VMM(2), %VMM(3))
> > + STORE_ONE_SET((%rdi), PAGE_SIZE, %VMM(4), %VMM(5), %VMM(6), %VMM(7))
> > subq $-LARGE_LOAD_SIZE, %rdi
> > decl %ecx
> > jnz L(loop_large_memcpy_2x_inner)
> > @@ -785,31 +777,31 @@ L(loop_large_memcpy_2x_tail):
> > /* Copy 4 * VEC a time forward with non-temporal stores. */
> > PREFETCH_ONE_SET (1, (%rsi), PREFETCHED_LOAD_SIZE)
> > PREFETCH_ONE_SET (1, (%rdi), PREFETCHED_LOAD_SIZE)
> > - VMOVU (%rsi), %VEC(0)
> > - VMOVU VEC_SIZE(%rsi), %VEC(1)
> > - VMOVU (VEC_SIZE * 2)(%rsi), %VEC(2)
> > - VMOVU (VEC_SIZE * 3)(%rsi), %VEC(3)
> > + VMOVU (%rsi), %VMM(0)
> > + VMOVU VEC_SIZE(%rsi), %VMM(1)
> > + VMOVU (VEC_SIZE * 2)(%rsi), %VMM(2)
> > + VMOVU (VEC_SIZE * 3)(%rsi), %VMM(3)
> > subq $-(VEC_SIZE * 4), %rsi
> > addl $-(VEC_SIZE * 4), %edx
> > - VMOVA %VEC(0), (%rdi)
> > - VMOVA %VEC(1), VEC_SIZE(%rdi)
> > - VMOVA %VEC(2), (VEC_SIZE * 2)(%rdi)
> > - VMOVA %VEC(3), (VEC_SIZE * 3)(%rdi)
> > + VMOVA %VMM(0), (%rdi)
> > + VMOVA %VMM(1), VEC_SIZE(%rdi)
> > + VMOVA %VMM(2), (VEC_SIZE * 2)(%rdi)
> > + VMOVA %VMM(3), (VEC_SIZE * 3)(%rdi)
> > subq $-(VEC_SIZE * 4), %rdi
> > cmpl $(VEC_SIZE * 4), %edx
> > ja L(loop_large_memcpy_2x_tail)
> >
> > L(large_memcpy_2x_end):
> > /* Store the last 4 * VEC. */
> > - VMOVU -(VEC_SIZE * 4)(%rsi, %rdx), %VEC(0)
> > - VMOVU -(VEC_SIZE * 3)(%rsi, %rdx), %VEC(1)
> > - VMOVU -(VEC_SIZE * 2)(%rsi, %rdx), %VEC(2)
> > - VMOVU -VEC_SIZE(%rsi, %rdx), %VEC(3)
> > -
> > - VMOVU %VEC(0), -(VEC_SIZE * 4)(%rdi, %rdx)
> > - VMOVU %VEC(1), -(VEC_SIZE * 3)(%rdi, %rdx)
> > - VMOVU %VEC(2), -(VEC_SIZE * 2)(%rdi, %rdx)
> > - VMOVU %VEC(3), -VEC_SIZE(%rdi, %rdx)
> > + VMOVU -(VEC_SIZE * 4)(%rsi, %rdx), %VMM(0)
> > + VMOVU -(VEC_SIZE * 3)(%rsi, %rdx), %VMM(1)
> > + VMOVU -(VEC_SIZE * 2)(%rsi, %rdx), %VMM(2)
> > + VMOVU -VEC_SIZE(%rsi, %rdx), %VMM(3)
> > +
> > + VMOVU %VMM(0), -(VEC_SIZE * 4)(%rdi, %rdx)
> > + VMOVU %VMM(1), -(VEC_SIZE * 3)(%rdi, %rdx)
> > + VMOVU %VMM(2), -(VEC_SIZE * 2)(%rdi, %rdx)
> > + VMOVU %VMM(3), -VEC_SIZE(%rdi, %rdx)
> > VZEROUPPER_RETURN
> >
> > .p2align 4
> > @@ -831,16 +823,16 @@ L(loop_large_memcpy_4x_inner):
> > PREFETCH_ONE_SET(1, (%rsi), PAGE_SIZE * 2 + PREFETCHED_LOAD_SIZE)
> > PREFETCH_ONE_SET(1, (%rsi), PAGE_SIZE * 3 + PREFETCHED_LOAD_SIZE)
> > /* Load vectors from rsi. */
> > - LOAD_ONE_SET((%rsi), 0, %VEC(0), %VEC(1), %VEC(2), %VEC(3))
> > - LOAD_ONE_SET((%rsi), PAGE_SIZE, %VEC(4), %VEC(5), %VEC(6), %VEC(7))
> > - LOAD_ONE_SET((%rsi), PAGE_SIZE * 2, %VEC(8), %VEC(9), %VEC(10), %VEC(11))
> > - LOAD_ONE_SET((%rsi), PAGE_SIZE * 3, %VEC(12), %VEC(13), %VEC(14), %VEC(15))
> > + LOAD_ONE_SET((%rsi), 0, %VMM(0), %VMM(1), %VMM(2), %VMM(3))
> > + LOAD_ONE_SET((%rsi), PAGE_SIZE, %VMM(4), %VMM(5), %VMM(6), %VMM(7))
> > + LOAD_ONE_SET((%rsi), PAGE_SIZE * 2, %VMM(8), %VMM(9), %VMM(10), %VMM(11))
> > + LOAD_ONE_SET((%rsi), PAGE_SIZE * 3, %VMM(12), %VMM(13), %VMM(14), %VMM(15))
> > subq $-LARGE_LOAD_SIZE, %rsi
> > /* Non-temporal store vectors to rdi. */
> > - STORE_ONE_SET((%rdi), 0, %VEC(0), %VEC(1), %VEC(2), %VEC(3))
> > - STORE_ONE_SET((%rdi), PAGE_SIZE, %VEC(4), %VEC(5), %VEC(6), %VEC(7))
> > - STORE_ONE_SET((%rdi), PAGE_SIZE * 2, %VEC(8), %VEC(9), %VEC(10), %VEC(11))
> > - STORE_ONE_SET((%rdi), PAGE_SIZE * 3, %VEC(12), %VEC(13), %VEC(14), %VEC(15))
> > + STORE_ONE_SET((%rdi), 0, %VMM(0), %VMM(1), %VMM(2), %VMM(3))
> > + STORE_ONE_SET((%rdi), PAGE_SIZE, %VMM(4), %VMM(5), %VMM(6), %VMM(7))
> > + STORE_ONE_SET((%rdi), PAGE_SIZE * 2, %VMM(8), %VMM(9), %VMM(10), %VMM(11))
> > + STORE_ONE_SET((%rdi), PAGE_SIZE * 3, %VMM(12), %VMM(13), %VMM(14), %VMM(15))
> > subq $-LARGE_LOAD_SIZE, %rdi
> > decl %ecx
> > jnz L(loop_large_memcpy_4x_inner)
> > @@ -858,31 +850,31 @@ L(loop_large_memcpy_4x_tail):
> > /* Copy 4 * VEC a time forward with non-temporal stores. */
> > PREFETCH_ONE_SET (1, (%rsi), PREFETCHED_LOAD_SIZE)
> > PREFETCH_ONE_SET (1, (%rdi), PREFETCHED_LOAD_SIZE)
> > - VMOVU (%rsi), %VEC(0)
> > - VMOVU VEC_SIZE(%rsi), %VEC(1)
> > - VMOVU (VEC_SIZE * 2)(%rsi), %VEC(2)
> > - VMOVU (VEC_SIZE * 3)(%rsi), %VEC(3)
> > + VMOVU (%rsi), %VMM(0)
> > + VMOVU VEC_SIZE(%rsi), %VMM(1)
> > + VMOVU (VEC_SIZE * 2)(%rsi), %VMM(2)
> > + VMOVU (VEC_SIZE * 3)(%rsi), %VMM(3)
> > subq $-(VEC_SIZE * 4), %rsi
> > addl $-(VEC_SIZE * 4), %edx
> > - VMOVA %VEC(0), (%rdi)
> > - VMOVA %VEC(1), VEC_SIZE(%rdi)
> > - VMOVA %VEC(2), (VEC_SIZE * 2)(%rdi)
> > - VMOVA %VEC(3), (VEC_SIZE * 3)(%rdi)
> > + VMOVA %VMM(0), (%rdi)
> > + VMOVA %VMM(1), VEC_SIZE(%rdi)
> > + VMOVA %VMM(2), (VEC_SIZE * 2)(%rdi)
> > + VMOVA %VMM(3), (VEC_SIZE * 3)(%rdi)
> > subq $-(VEC_SIZE * 4), %rdi
> > cmpl $(VEC_SIZE * 4), %edx
> > ja L(loop_large_memcpy_4x_tail)
> >
> > L(large_memcpy_4x_end):
> > /* Store the last 4 * VEC. */
> > - VMOVU -(VEC_SIZE * 4)(%rsi, %rdx), %VEC(0)
> > - VMOVU -(VEC_SIZE * 3)(%rsi, %rdx), %VEC(1)
> > - VMOVU -(VEC_SIZE * 2)(%rsi, %rdx), %VEC(2)
> > - VMOVU -VEC_SIZE(%rsi, %rdx), %VEC(3)
> > -
> > - VMOVU %VEC(0), -(VEC_SIZE * 4)(%rdi, %rdx)
> > - VMOVU %VEC(1), -(VEC_SIZE * 3)(%rdi, %rdx)
> > - VMOVU %VEC(2), -(VEC_SIZE * 2)(%rdi, %rdx)
> > - VMOVU %VEC(3), -VEC_SIZE(%rdi, %rdx)
> > + VMOVU -(VEC_SIZE * 4)(%rsi, %rdx), %VMM(0)
> > + VMOVU -(VEC_SIZE * 3)(%rsi, %rdx), %VMM(1)
> > + VMOVU -(VEC_SIZE * 2)(%rsi, %rdx), %VMM(2)
> > + VMOVU -VEC_SIZE(%rsi, %rdx), %VMM(3)
> > +
> > + VMOVU %VMM(0), -(VEC_SIZE * 4)(%rdi, %rdx)
> > + VMOVU %VMM(1), -(VEC_SIZE * 3)(%rdi, %rdx)
> > + VMOVU %VMM(2), -(VEC_SIZE * 2)(%rdi, %rdx)
> > + VMOVU %VMM(3), -VEC_SIZE(%rdi, %rdx)
> > VZEROUPPER_RETURN
> > #endif
> > END (MEMMOVE_SYMBOL (__memmove, unaligned_erms))
> > --
> > 2.34.1
> >
>
>
> --
> H.J.
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