diff options
Diffstat (limited to 'sysdeps/x86_64/fpu/multiarch/svml_s_sincosf4_core_sse4.S')
| -rw-r--r-- | sysdeps/x86_64/fpu/multiarch/svml_s_sincosf4_core_sse4.S | 346 |
1 files changed, 0 insertions, 346 deletions
diff --git a/sysdeps/x86_64/fpu/multiarch/svml_s_sincosf4_core_sse4.S b/sysdeps/x86_64/fpu/multiarch/svml_s_sincosf4_core_sse4.S deleted file mode 100644 index 74a6ac1157..0000000000 --- a/sysdeps/x86_64/fpu/multiarch/svml_s_sincosf4_core_sse4.S +++ /dev/null @@ -1,346 +0,0 @@ -/* Function sincosf 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_s_trig_data.h" - - .text -ENTRY (_ZGVbN4vl4l4_sincosf_sse4) -/* - ALGORITHM DESCRIPTION: - - 1) Range reduction to [-Pi/4; +Pi/4] interval - a) Grab sign from source argument and save it. - b) Remove sign using AND operation - c) Getting octant Y by 2/Pi multiplication - d) Add "Right Shifter" value - e) Treat obtained value as integer S for destination sign setting. - SS = ((S-S&1)&2)<<30; For sin part - SC = ((S+S&1)&2)<<30; For cos part - f) Change destination sign if source sign is negative - using XOR operation. - g) Subtract "Right Shifter" (0x4B000000) value - h) Subtract Y*(PI/2) from X argument, where PI/2 divided to 4 parts: - X = X - Y*PI1 - Y*PI2 - Y*PI3 - Y*PI4; - 2) Polynomial (minimax for sin within [-Pi/4; +Pi/4] interval) - a) Calculate X^2 = X * X - b) Calculate 2 polynomials for sin and cos: - RS = X * ( A0 + X^2 * (A1 + x^2 * (A2 + x^2 * (A3)))); - RC = B0 + X^2 * (B1 + x^2 * (B2 + x^2 * (B3 + x^2 * (B4)))); - c) Swap RS & RC if if first bit of obtained value after - Right Shifting is set to 1. Using And, Andnot & Or operations. - 3) Destination sign setting - a) Set shifted destination sign using XOR operation: - R1 = XOR( RS, SS ); - R2 = XOR( RC, SC ). */ - - 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_s_trig_data@GOTPCREL(%rip), %rax - movups %xmm12, 176(%rsp) - movups %xmm9, 160(%rsp) - movups __sAbsMask(%rax), %xmm12 - -/* Absolute argument computation */ - movaps %xmm12, %xmm5 - andnps %xmm0, %xmm12 - movups __sInvPI(%rax), %xmm7 - andps %xmm0, %xmm5 - -/* c) Getting octant Y by 2/Pi multiplication - d) Add "Right Shifter" value. */ - mulps %xmm5, %xmm7 - movups %xmm10, 144(%rsp) - movups __sPI1(%rax), %xmm10 - -/* h) Subtract Y*(PI/2) from X argument, where PI/2 divided to 3 parts: - X = X - Y*PI1 - Y*PI2 - Y*PI3. */ - movaps %xmm10, %xmm1 - addps __sRShifter(%rax), %xmm7 - -/* e) Treat obtained value as integer S for destination sign setting */ - movaps %xmm7, %xmm9 - -/* g) Subtract "Right Shifter" (0x4B000000) value */ - subps __sRShifter(%rax), %xmm7 - mulps %xmm7, %xmm1 - pslld $31, %xmm9 - movups __sPI2(%rax), %xmm6 - movups %xmm13, 112(%rsp) - movaps %xmm5, %xmm13 - movaps %xmm6, %xmm2 - subps %xmm1, %xmm13 - mulps %xmm7, %xmm2 - movups __sSignMask(%rax), %xmm3 - movaps %xmm5, %xmm1 - movups __sOneHalf(%rax), %xmm4 - subps %xmm2, %xmm13 - cmpnleps __sRangeReductionVal(%rax), %xmm5 - movaps %xmm3, %xmm2 - andps %xmm13, %xmm2 - xorps %xmm2, %xmm4 - -/* Result sign calculations */ - xorps %xmm2, %xmm3 - xorps %xmm9, %xmm3 - -/* Add correction term 0.5 for cos() part */ - addps %xmm7, %xmm4 - movmskps %xmm5, %ecx - mulps %xmm4, %xmm10 - mulps %xmm4, %xmm6 - subps %xmm10, %xmm1 - movups __sPI3(%rax), %xmm10 - subps %xmm6, %xmm1 - movaps %xmm10, %xmm6 - mulps %xmm7, %xmm6 - mulps %xmm4, %xmm10 - subps %xmm6, %xmm13 - subps %xmm10, %xmm1 - movups __sPI4(%rax), %xmm6 - mulps %xmm6, %xmm7 - mulps %xmm6, %xmm4 - subps %xmm7, %xmm13 - subps %xmm4, %xmm1 - xorps %xmm9, %xmm13 - xorps %xmm3, %xmm1 - movaps %xmm13, %xmm4 - movaps %xmm1, %xmm2 - mulps %xmm13, %xmm4 - mulps %xmm1, %xmm2 - movups __sA9(%rax), %xmm7 - -/* 2) Polynomial (minimax for sin within [-Pi/4; +Pi/4] interval) - a) Calculate X^2 = X * X - b) Calculate 2 polynomials for sin and cos: - RS = X * ( A0 + X^2 * (A1 + x^2 * (A2 + x^2 * (A3)))); - RC = B0 + X^2 * (B1 + x^2 * (B2 + x^2 * (B3 + x^2 * (B4)))) */ - movaps %xmm7, %xmm3 - mulps %xmm4, %xmm3 - mulps %xmm2, %xmm7 - addps __sA7(%rax), %xmm3 - addps __sA7(%rax), %xmm7 - mulps %xmm4, %xmm3 - mulps %xmm2, %xmm7 - addps __sA5(%rax), %xmm3 - addps __sA5(%rax), %xmm7 - mulps %xmm4, %xmm3 - mulps %xmm2, %xmm7 - addps __sA3(%rax), %xmm3 - addps __sA3(%rax), %xmm7 - mulps %xmm3, %xmm4 - mulps %xmm7, %xmm2 - mulps %xmm13, %xmm4 - mulps %xmm1, %xmm2 - addps %xmm4, %xmm13 - addps %xmm2, %xmm1 - xorps %xmm12, %xmm13 - testl %ecx, %ecx - jne .LBL_1_3 - -.LBL_1_2: - cfi_remember_state - movups 160(%rsp), %xmm9 - movaps %xmm13, (%rdi) - movups 144(%rsp), %xmm10 - movups 176(%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 %xmm11, 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), %xmm11 - 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 - movss 132(%rsp,%r15,8), %xmm0 - - call JUMPTARGET(sinf) - - movss %xmm0, 196(%rsp,%r15,8) - movss 132(%rsp,%r15,8), %xmm0 - - call JUMPTARGET(cosf) - - movss %xmm0, 260(%rsp,%r15,8) - jmp .LBL_1_8 - -.LBL_1_13: - movzbl %r12b, %r15d - movss 128(%rsp,%r15,8), %xmm0 - - call JUMPTARGET(sinf) - - movss %xmm0, 192(%rsp,%r15,8) - movss 128(%rsp,%r15,8), %xmm0 - - call JUMPTARGET(cosf) - - movss %xmm0, 256(%rsp,%r15,8) - jmp .LBL_1_7 - -END (_ZGVbN4vl4l4_sincosf_sse4) -libmvec_hidden_def(_ZGVbN4vl4l4_sincosf_sse4) - -/* vvv version implemented with wrapper to vl4l4 variant. */ -ENTRY (_ZGVbN4vvv_sincosf_sse4) -#ifndef __ILP32__ - subq $104, %rsp - .cfi_def_cfa_offset 112 - movdqu %xmm1, 32(%rsp) - lea (%rsp), %rdi - movdqu %xmm2, 48(%rdi) - lea 16(%rsp), %rsi - movdqu %xmm3, 48(%rsi) - movdqu %xmm4, 64(%rsi) - call HIDDEN_JUMPTARGET(_ZGVbN4vl4l4_sincosf_sse4) - movq 32(%rsp), %rdx - movq 40(%rsp), %rsi - movq 48(%rsp), %r8 - movq 56(%rsp), %r10 - movl (%rsp), %eax - movl 4(%rsp), %ecx - movl 8(%rsp), %edi - movl 12(%rsp), %r9d - movl %eax, (%rdx) - movl %ecx, (%rsi) - movq 64(%rsp), %rax - movq 72(%rsp), %rcx - movl %edi, (%r8) - movl %r9d, (%r10) - movq 80(%rsp), %rdi - movq 88(%rsp), %r9 - movl 16(%rsp), %r11d - movl 20(%rsp), %edx - movl 24(%rsp), %esi - movl 28(%rsp), %r8d - movl %r11d, (%rax) - movl %edx, (%rcx) - movl %esi, (%rdi) - movl %r8d, (%r9) - addq $104, %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(_ZGVbN4vl4l4_sincosf_sse4) - movl 16(%esp), %eax - movss 32(%esp), %xmm0 - movss %xmm0, (%eax) - movl 20(%esp), %eax - movss 36(%esp), %xmm0 - movss %xmm0, (%eax) - movl 24(%esp), %eax - movss 40(%esp), %xmm0 - movss %xmm0, (%eax) - movl 28(%esp), %eax - movss 44(%esp), %xmm0 - movss %xmm0, (%eax) - movl (%esp), %eax - movss 48(%esp), %xmm0 - movss %xmm0, (%eax) - movl 4(%esp), %eax - movss 52(%esp), %xmm0 - movss %xmm0, (%eax) - movl 8(%esp), %eax - movss 56(%esp), %xmm0 - movss %xmm0, (%eax) - movl 12(%esp), %eax - movss 60(%esp), %xmm0 - movss %xmm0, (%eax) - addl $72, %esp - .cfi_def_cfa_offset 8 - ret -#endif -END (_ZGVbN4vvv_sincosf_sse4) |