glibc/sysdeps/x86_64/fpu/svml_d_wrapper_impl.h

102 lines
3.1 KiB
C

/* Wrapper implementations of vector math functions.
Copyright (C) 2014-2015 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
/* SSE2 ISA version as wrapper to scalar. */
.macro WRAPPER_IMPL_SSE2 callee
subq $40, %rsp
cfi_adjust_cfa_offset(40)
movaps %xmm0, (%rsp)
call \callee@PLT
movsd %xmm0, 16(%rsp)
movsd 8(%rsp), %xmm0
call \callee@PLT
movsd 16(%rsp), %xmm1
movsd %xmm0, 24(%rsp)
unpcklpd %xmm0, %xmm1
movaps %xmm1, %xmm0
addq $40, %rsp
cfi_adjust_cfa_offset(-40)
ret
.endm
/* AVX/AVX2 ISA version as wrapper to SSE ISA version. */
.macro WRAPPER_IMPL_AVX callee
pushq %rbp
cfi_adjust_cfa_offset (8)
cfi_rel_offset (%rbp, 0)
movq %rsp, %rbp
cfi_def_cfa_register (%rbp)
andq $-32, %rsp
subq $32, %rsp
vextractf128 $1, %ymm0, (%rsp)
vzeroupper
call HIDDEN_JUMPTARGET(\callee)
vmovapd %xmm0, 16(%rsp)
vmovaps (%rsp), %xmm0
call HIDDEN_JUMPTARGET(\callee)
vmovapd %xmm0, %xmm1
vmovapd 16(%rsp), %xmm0
vinsertf128 $1, %xmm1, %ymm0, %ymm0
movq %rbp, %rsp
cfi_def_cfa_register (%rsp)
popq %rbp
cfi_adjust_cfa_offset (-8)
cfi_restore (%rbp)
ret
.endm
/* AVX512 ISA version as wrapper to AVX2 ISA version. */
.macro WRAPPER_IMPL_AVX512 callee
pushq %rbp
cfi_adjust_cfa_offset (8)
cfi_rel_offset (%rbp, 0)
movq %rsp, %rbp
cfi_def_cfa_register (%rbp)
andq $-64, %rsp
subq $64, %rsp
/* Below is encoding for vmovaps %zmm0, (%rsp). */
.byte 0x62
.byte 0xf1
.byte 0x7c
.byte 0x48
.byte 0x29
.byte 0x04
.byte 0x24
/* Below is encoding for vmovapd (%rsp), %ymm0. */
.byte 0xc5
.byte 0xfd
.byte 0x28
.byte 0x04
.byte 0x24
call HIDDEN_JUMPTARGET(\callee)
/* Below is encoding for vmovapd 32(%rsp), %ymm0. */
.byte 0xc5
.byte 0xfd
.byte 0x28
.byte 0x44
.byte 0x24
.byte 0x20
call HIDDEN_JUMPTARGET(\callee)
movq %rbp, %rsp
cfi_def_cfa_register (%rsp)
popq %rbp
cfi_adjust_cfa_offset (-8)
cfi_restore (%rbp)
ret
.endm