diff options
Diffstat (limited to 'sysdeps/x86_64/fpu/multiarch/svml_d_sincos2_core_sse4.S')
| -rw-r--r-- | sysdeps/x86_64/fpu/multiarch/svml_d_sincos2_core_sse4.S | 368 |
1 files changed, 0 insertions, 368 deletions
diff --git a/sysdeps/x86_64/fpu/multiarch/svml_d_sincos2_core_sse4.S b/sysdeps/x86_64/fpu/multiarch/svml_d_sincos2_core_sse4.S deleted file mode 100644 index c46109f35d..0000000000 --- a/sysdeps/x86_64/fpu/multiarch/svml_d_sincos2_core_sse4.S +++ /dev/null @@ -1,368 +0,0 @@ -/* Function sincos vectorized with SSE4. - Copyright (C) 2014-2017 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/>. */ - -#include <sysdep.h> -#include "svml_d_trig_data.h" - - .text -ENTRY (_ZGVbN2vl8l8_sincos_sse4) -/* - ALGORITHM DESCRIPTION: - - ( low accuracy ( < 4ulp ) or enhanced performance - ( half of correct mantissa ) implementation ) - - Argument representation: - arg = N*Pi + R - - Result calculation: - sin(arg) = sin(N*Pi + R) = (-1)^N * sin(R) - arg + Pi/2 = (N'*Pi + R') - cos(arg) = sin(arg+Pi/2) = sin(N'*Pi + R') = (-1)^N' * sin(R') - sin(R), sin(R') are approximated by corresponding polynomial. */ - - pushq %rbp - cfi_adjust_cfa_offset (8) - cfi_rel_offset (%rbp, 0) - movq %rsp, %rbp - cfi_def_cfa_register (%rbp) - andq $-64, %rsp - subq $320, %rsp - movq __svml_d_trig_data@GOTPCREL(%rip), %rax - movups %xmm11, 160(%rsp) - movups %xmm12, 144(%rsp) - movups __dSignMask(%rax), %xmm11 - -/* ARGUMENT RANGE REDUCTION: - Absolute argument: X' = |X| */ - movaps %xmm11, %xmm4 - -/* Grab sign bit from argument */ - movaps %xmm11, %xmm7 - movups __dInvPI(%rax), %xmm5 - andnps %xmm0, %xmm4 - -/* SinY = X'*InvPi + RS : right shifter add */ - mulpd %xmm4, %xmm5 - addpd __dRShifter(%rax), %xmm5 - -/* SinSignRes = Y<<63 : shift LSB to MSB place for result sign */ - movaps %xmm5, %xmm12 - andps %xmm0, %xmm7 - -/* SinN = Y - RS : right shifter sub */ - subpd __dRShifter(%rax), %xmm5 - movups %xmm10, 176(%rsp) - psllq $63, %xmm12 - movups __dPI1(%rax), %xmm10 - -/* SinR = X' - SinN*Pi1 */ - movaps %xmm10, %xmm1 - mulpd %xmm5, %xmm1 - movups __dPI2(%rax), %xmm6 - -/* SinR = SinR - SinN*Pi1 */ - movaps %xmm6, %xmm2 - mulpd %xmm5, %xmm2 - movups %xmm13, 112(%rsp) - movaps %xmm4, %xmm13 - subpd %xmm1, %xmm13 - subpd %xmm2, %xmm13 - -/* Sine result sign: SinRSign = SignMask & SinR */ - movaps %xmm11, %xmm2 - -/* CosR = SinX - CosN*Pi1 */ - movaps %xmm4, %xmm1 - movups __dOneHalf(%rax), %xmm3 - andps %xmm13, %xmm2 - -/* Set SinRSign to 0.5 */ - orps %xmm2, %xmm3 - -/* Update CosRSign and CosSignRes signs */ - xorps %xmm11, %xmm2 - -/* CosN = SinN +(-)0.5 */ - addpd %xmm5, %xmm3 - cmpnlepd __dRangeVal(%rax), %xmm4 - mulpd %xmm3, %xmm10 - -/* CosR = CosR - CosN*Pi2 */ - mulpd %xmm3, %xmm6 - subpd %xmm10, %xmm1 - movmskpd %xmm4, %ecx - movups __dPI3(%rax), %xmm10 - xorps %xmm12, %xmm2 - subpd %xmm6, %xmm1 - -/* SinR = SinR - SinN*Pi3 */ - movaps %xmm10, %xmm6 - -/* Final reconstruction. - Combine Sin result's sign */ - xorps %xmm7, %xmm12 - mulpd %xmm5, %xmm6 - -/* CosR = CosR - CosN*Pi3 */ - mulpd %xmm3, %xmm10 - subpd %xmm6, %xmm13 - subpd %xmm10, %xmm1 - movups __dPI4(%rax), %xmm6 - -/* SinR = SinR - SinN*Pi4 */ - mulpd %xmm6, %xmm5 - -/* CosR = CosR - CosN*Pi4 */ - mulpd %xmm6, %xmm3 - subpd %xmm5, %xmm13 - subpd %xmm3, %xmm1 - -/* SinR2 = SinR^2 */ - movaps %xmm13, %xmm6 - -/* CosR2 = CosR^2 */ - movaps %xmm1, %xmm10 - mulpd %xmm13, %xmm6 - mulpd %xmm1, %xmm10 - -/* Polynomial approximation */ - movups __dC7(%rax), %xmm5 - movaps %xmm5, %xmm3 - mulpd %xmm6, %xmm3 - mulpd %xmm10, %xmm5 - addpd __dC6(%rax), %xmm3 - addpd __dC6(%rax), %xmm5 - mulpd %xmm6, %xmm3 - mulpd %xmm10, %xmm5 - addpd __dC5(%rax), %xmm3 - addpd __dC5(%rax), %xmm5 - mulpd %xmm6, %xmm3 - mulpd %xmm10, %xmm5 - addpd __dC4(%rax), %xmm3 - addpd __dC4(%rax), %xmm5 - -/* SinPoly = C3 + SinR2*(C4 + SinR2*(C5 + SinR2*(C6 + SinR2*C7))) */ - mulpd %xmm6, %xmm3 - -/* CosPoly = C3 + CosR2*(C4 + CosR2*(C5 + CosR2*(C6 + CosR2*C7))) */ - mulpd %xmm10, %xmm5 - addpd __dC3(%rax), %xmm3 - addpd __dC3(%rax), %xmm5 - -/* SinPoly = C2 + SinR2*SinPoly */ - mulpd %xmm6, %xmm3 - -/* CosPoly = C2 + CosR2*CosPoly */ - mulpd %xmm10, %xmm5 - addpd __dC2(%rax), %xmm3 - addpd __dC2(%rax), %xmm5 - -/* SinPoly = C1 + SinR2*SinPoly */ - mulpd %xmm6, %xmm3 - -/* CosPoly = C1 + CosR2*CosPoly */ - mulpd %xmm10, %xmm5 - addpd __dC1(%rax), %xmm3 - addpd __dC1(%rax), %xmm5 - -/* SinPoly = SinR2*SinPoly */ - mulpd %xmm3, %xmm6 - -/* CosPoly = CosR2*CosPoly */ - mulpd %xmm5, %xmm10 - -/* SinPoly = SinR*SinPoly */ - mulpd %xmm13, %xmm6 - -/* CosPoly = CosR*CosPoly */ - mulpd %xmm1, %xmm10 - addpd %xmm6, %xmm13 - addpd %xmm10, %xmm1 - -/* Update Sin result's sign */ - xorps %xmm12, %xmm13 - -/* Update Cos result's sign */ - xorps %xmm2, %xmm1 - testl %ecx, %ecx - jne .LBL_1_3 - -.LBL_1_2: - cfi_remember_state - movups 176(%rsp), %xmm10 - movaps %xmm13, (%rdi) - movups 160(%rsp), %xmm11 - movups 144(%rsp), %xmm12 - movups 112(%rsp), %xmm13 - movups %xmm1, (%rsi) - movq %rbp, %rsp - cfi_def_cfa_register (%rsp) - popq %rbp - cfi_adjust_cfa_offset (-8) - cfi_restore (%rbp) - ret - -.LBL_1_3: - cfi_restore_state - movups %xmm0, 128(%rsp) - movups %xmm13, 192(%rsp) - movups %xmm1, 256(%rsp) - je .LBL_1_2 - - xorb %dl, %dl - xorl %eax, %eax - movups %xmm8, 48(%rsp) - movups %xmm9, 32(%rsp) - movups %xmm14, 16(%rsp) - movups %xmm15, (%rsp) - movq %rsi, 64(%rsp) - movq %r12, 104(%rsp) - cfi_offset_rel_rsp (12, 104) - movb %dl, %r12b - movq %r13, 96(%rsp) - cfi_offset_rel_rsp (13, 96) - movl %eax, %r13d - movq %r14, 88(%rsp) - cfi_offset_rel_rsp (14, 88) - movl %ecx, %r14d - movq %r15, 80(%rsp) - cfi_offset_rel_rsp (15, 80) - movq %rbx, 72(%rsp) - movq %rdi, %rbx - cfi_remember_state - -.LBL_1_6: - btl %r13d, %r14d - jc .LBL_1_13 - -.LBL_1_7: - lea 1(%r13), %esi - btl %esi, %r14d - jc .LBL_1_10 - -.LBL_1_8: - incb %r12b - addl $2, %r13d - cmpb $16, %r12b - jb .LBL_1_6 - - movups 48(%rsp), %xmm8 - movq %rbx, %rdi - movups 32(%rsp), %xmm9 - movups 16(%rsp), %xmm14 - movups (%rsp), %xmm15 - movq 64(%rsp), %rsi - movq 104(%rsp), %r12 - cfi_restore (%r12) - movq 96(%rsp), %r13 - cfi_restore (%r13) - movq 88(%rsp), %r14 - cfi_restore (%r14) - movq 80(%rsp), %r15 - cfi_restore (%r15) - movq 72(%rsp), %rbx - movups 192(%rsp), %xmm13 - movups 256(%rsp), %xmm1 - jmp .LBL_1_2 - -.LBL_1_10: - cfi_restore_state - movzbl %r12b, %r15d - shlq $4, %r15 - movsd 136(%rsp,%r15), %xmm0 - - call JUMPTARGET(sin) - - movsd %xmm0, 200(%rsp,%r15) - movsd 136(%rsp,%r15), %xmm0 - - call JUMPTARGET(cos) - - movsd %xmm0, 264(%rsp,%r15) - jmp .LBL_1_8 - -.LBL_1_13: - movzbl %r12b, %r15d - shlq $4, %r15 - movsd 128(%rsp,%r15), %xmm0 - - call JUMPTARGET(sin) - - movsd %xmm0, 192(%rsp,%r15) - movsd 128(%rsp,%r15), %xmm0 - - call JUMPTARGET(cos) - - movsd %xmm0, 256(%rsp,%r15) - jmp .LBL_1_7 -END (_ZGVbN2vl8l8_sincos_sse4) -libmvec_hidden_def(_ZGVbN2vl8l8_sincos_sse4) - -/* vvv version implemented with wrapper to vl8l8 variant. */ -ENTRY (_ZGVbN2vvv_sincos_sse4) -#ifndef __ILP32__ - subq $72, %rsp - .cfi_def_cfa_offset 80 - movdqu %xmm1, 32(%rsp) - lea (%rsp), %rdi - movdqu %xmm2, 48(%rdi) - lea 16(%rsp), %rsi - call HIDDEN_JUMPTARGET(_ZGVbN2vl8l8_sincos_sse4) - movq 32(%rsp), %rdx - movq 48(%rsp), %rsi - movq 40(%rsp), %r8 - movq 56(%rsp), %r10 - movq (%rsp), %rax - movq 16(%rsp), %rcx - movq 8(%rsp), %rdi - movq 24(%rsp), %r9 - movq %rax, (%rdx) - movq %rcx, (%rsi) - movq %rdi, (%r8) - movq %r9, (%r10) - addq $72, %rsp - .cfi_def_cfa_offset 8 - ret -#else - subl $72, %esp - .cfi_def_cfa_offset 80 - leal 48(%rsp), %esi - movaps %xmm1, 16(%esp) - leal 32(%rsp), %edi - movaps %xmm2, (%esp) - call HIDDEN_JUMPTARGET(_ZGVbN2vl8l8_sincos_sse4) - movdqa 16(%esp), %xmm1 - movsd 32(%esp), %xmm0 - movq %xmm1, %rax - movdqa (%esp), %xmm2 - movsd %xmm0, (%eax) - movsd 40(%esp), %xmm0 - pextrd $1, %xmm1, %eax - movsd %xmm0, (%eax) - movsd 48(%esp), %xmm0 - movq %xmm2, %rax - movsd %xmm0, (%eax) - movsd 56(%esp), %xmm0 - pextrd $1, %xmm2, %eax - movsd %xmm0, (%eax) - addl $72, %esp - .cfi_def_cfa_offset 8 - ret -#endif -END (_ZGVbN2vvv_sincos_sse4) |