diff options
Diffstat (limited to 'sysdeps/x86_64/fpu/multiarch/svml_d_sin2_core_sse4.S')
| -rw-r--r-- | sysdeps/x86_64/fpu/multiarch/svml_d_sin2_core_sse4.S | 229 |
1 files changed, 0 insertions, 229 deletions
diff --git a/sysdeps/x86_64/fpu/multiarch/svml_d_sin2_core_sse4.S b/sysdeps/x86_64/fpu/multiarch/svml_d_sin2_core_sse4.S deleted file mode 100644 index 393ba03b76..0000000000 --- a/sysdeps/x86_64/fpu/multiarch/svml_d_sin2_core_sse4.S +++ /dev/null @@ -1,229 +0,0 @@ -/* Function sin 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 (_ZGVbN2v_sin_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) - sin(R) is 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 - movaps %xmm0, %xmm5 - movq __svml_d_trig_data@GOTPCREL(%rip), %rax - movups __dAbsMask(%rax), %xmm3 -/* - ARGUMENT RANGE REDUCTION: - X' = |X| - */ - movaps %xmm3, %xmm4 - -/* SignX - sign bit of X */ - andnps %xmm5, %xmm3 - movups __dInvPI(%rax), %xmm2 - andps %xmm5, %xmm4 - -/* Y = X'*InvPi + RS : right shifter add */ - mulpd %xmm4, %xmm2 - movups __dRShifter(%rax), %xmm6 - -/* R = X' - N*Pi1 */ - movaps %xmm4, %xmm0 - addpd %xmm6, %xmm2 - cmpnlepd __dRangeVal(%rax), %xmm4 - -/* N = Y - RS : right shifter sub */ - movaps %xmm2, %xmm1 - -/* SignRes = Y<<63 : shift LSB to MSB place for result sign */ - psllq $63, %xmm2 - subpd %xmm6, %xmm1 - movmskpd %xmm4, %ecx - movups __dPI1(%rax), %xmm7 - mulpd %xmm1, %xmm7 - movups __dPI2(%rax), %xmm6 - -/* R = R - N*Pi2 */ - mulpd %xmm1, %xmm6 - subpd %xmm7, %xmm0 - movups __dPI3(%rax), %xmm7 - -/* R = R - N*Pi3 */ - mulpd %xmm1, %xmm7 - subpd %xmm6, %xmm0 - movups __dPI4(%rax), %xmm6 - -/* R = R - N*Pi4 */ - mulpd %xmm6, %xmm1 - subpd %xmm7, %xmm0 - subpd %xmm1, %xmm0 - -/* - POLYNOMIAL APPROXIMATION: - R2 = R*R - */ - movaps %xmm0, %xmm1 - mulpd %xmm0, %xmm1 - -/* R = R^SignRes : update sign of reduced argument */ - xorps %xmm2, %xmm0 - movups __dC7_sin(%rax), %xmm2 - mulpd %xmm1, %xmm2 - addpd __dC6_sin(%rax), %xmm2 - mulpd %xmm1, %xmm2 - addpd __dC5_sin(%rax), %xmm2 - mulpd %xmm1, %xmm2 - addpd __dC4_sin(%rax), %xmm2 - -/* Poly = C3+R2*(C4+R2*(C5+R2*(C6+R2*C7))) */ - mulpd %xmm1, %xmm2 - addpd __dC3_sin(%rax), %xmm2 - -/* Poly = R2*(C1+R2*(C2+R2*Poly)) */ - mulpd %xmm1, %xmm2 - addpd __dC2_sin(%rax), %xmm2 - mulpd %xmm1, %xmm2 - addpd __dC1_sin(%rax), %xmm2 - mulpd %xmm2, %xmm1 - -/* Poly = Poly*R + R */ - mulpd %xmm0, %xmm1 - addpd %xmm1, %xmm0 - -/* - RECONSTRUCTION: - Final sign setting: Res = Poly^SignX - */ - xorps %xmm3, %xmm0 - testl %ecx, %ecx - jne .LBL_1_3 - -.LBL_1_2: - cfi_remember_state - 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 %xmm5, 192(%rsp) - movups %xmm0, 256(%rsp) - je .LBL_1_2 - - xorb %dl, %dl - xorl %eax, %eax - movups %xmm8, 112(%rsp) - movups %xmm9, 96(%rsp) - movups %xmm10, 80(%rsp) - movups %xmm11, 64(%rsp) - movups %xmm12, 48(%rsp) - movups %xmm13, 32(%rsp) - movups %xmm14, 16(%rsp) - movups %xmm15, (%rsp) - movq %rsi, 136(%rsp) - movq %rdi, 128(%rsp) - movq %r12, 168(%rsp) - cfi_offset_rel_rsp (12, 168) - movb %dl, %r12b - movq %r13, 160(%rsp) - cfi_offset_rel_rsp (13, 160) - movl %ecx, %r13d - movq %r14, 152(%rsp) - cfi_offset_rel_rsp (14, 152) - movl %eax, %r14d - movq %r15, 144(%rsp) - cfi_offset_rel_rsp (15, 144) - cfi_remember_state - -.LBL_1_6: - btl %r14d, %r13d - jc .LBL_1_12 - -.LBL_1_7: - lea 1(%r14), %esi - btl %esi, %r13d - jc .LBL_1_10 - -.LBL_1_8: - incb %r12b - addl $2, %r14d - cmpb $16, %r12b - jb .LBL_1_6 - - movups 112(%rsp), %xmm8 - movups 96(%rsp), %xmm9 - movups 80(%rsp), %xmm10 - movups 64(%rsp), %xmm11 - movups 48(%rsp), %xmm12 - movups 32(%rsp), %xmm13 - movups 16(%rsp), %xmm14 - movups (%rsp), %xmm15 - movq 136(%rsp), %rsi - movq 128(%rsp), %rdi - movq 168(%rsp), %r12 - cfi_restore (%r12) - movq 160(%rsp), %r13 - cfi_restore (%r13) - movq 152(%rsp), %r14 - cfi_restore (%r14) - movq 144(%rsp), %r15 - cfi_restore (%r15) - movups 256(%rsp), %xmm0 - jmp .LBL_1_2 - -.LBL_1_10: - cfi_restore_state - movzbl %r12b, %r15d - shlq $4, %r15 - movsd 200(%rsp,%r15), %xmm0 - - call JUMPTARGET(sin) - - movsd %xmm0, 264(%rsp,%r15) - jmp .LBL_1_8 - -.LBL_1_12: - movzbl %r12b, %r15d - shlq $4, %r15 - movsd 192(%rsp,%r15), %xmm0 - - call JUMPTARGET(sin) - - movsd %xmm0, 256(%rsp,%r15) - jmp .LBL_1_7 - -END (_ZGVbN2v_sin_sse4) |