diff options
Diffstat (limited to 'sysdeps/x86_64/fpu/multiarch/svml_s_logf16_core_avx512.S')
| -rw-r--r-- | sysdeps/x86_64/fpu/multiarch/svml_s_logf16_core_avx512.S | 416 |
1 files changed, 0 insertions, 416 deletions
diff --git a/sysdeps/x86_64/fpu/multiarch/svml_s_logf16_core_avx512.S b/sysdeps/x86_64/fpu/multiarch/svml_s_logf16_core_avx512.S deleted file mode 100644 index 7ff6fff848..0000000000 --- a/sysdeps/x86_64/fpu/multiarch/svml_s_logf16_core_avx512.S +++ /dev/null @@ -1,416 +0,0 @@ -/* Function logf vectorized with AVX-512. KNL and SKX versions. - 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_logf_data.h" -#include "svml_s_wrapper_impl.h" - - .text -ENTRY (_ZGVeN16v_logf_knl) -#ifndef HAVE_AVX512DQ_ASM_SUPPORT -WRAPPER_IMPL_AVX512 _ZGVdN8v_logf -#else -/* - ALGORITHM DESCRIPTION: - - log(x) = exponent_x*log(2) + log(mantissa_x), if mantissa_x<4/3 - log(x) = (exponent_x+1)*log(2) + log(0.5*mantissa_x), if mantissa_x>4/3 - - R = mantissa_x - 1, if mantissa_x<4/3 - R = 0.5*mantissa_x - 1, if mantissa_x>4/3 - |R|< 1/3 - - log(1+R) is approximated as a polynomial: degree 9 for 1-ulp, - degree 7 for 4-ulp, degree 3 for half-precision. */ - - pushq %rbp - cfi_adjust_cfa_offset (8) - cfi_rel_offset (%rbp, 0) - movq %rsp, %rbp - cfi_def_cfa_register (%rbp) - andq $-64, %rsp - subq $1280, %rsp - movq __svml_slog_data@GOTPCREL(%rip), %rax - movl $-1, %ecx - -/* reduction: compute r,n */ - vpsubd _iBrkValue(%rax), %zmm0, %zmm2 - vmovups _sPoly_7(%rax), %zmm7 - vpandd _iOffExpoMask(%rax), %zmm2, %zmm3 - -/* exponent_x (mantissa_x<4/3) or exponent_x+1 (mantissa_x>4/3) */ - vpsrad $23, %zmm2, %zmm4 - -/* check for working range, - set special argument mask (denormals/zero/Inf/NaN) - */ - vpaddd _iHiDelta(%rax), %zmm0, %zmm1 - -/* mantissa_x (mantissa_x<4/3), or 0.5*mantissa_x (mantissa_x>4/3) */ - vpaddd _iBrkValue(%rax), %zmm3, %zmm6 - vpcmpd $1, _iLoRange(%rax), %zmm1, %k1 - vcvtdq2ps {rn-sae}, %zmm4, %zmm1 - -/* reduced argument R */ - vsubps _sOne(%rax), %zmm6, %zmm8 - vpbroadcastd %ecx, %zmm5{%k1}{z} - -/* polynomial evaluation starts here */ - vfmadd213ps _sPoly_6(%rax), %zmm8, %zmm7 - vptestmd %zmm5, %zmm5, %k0 - kmovw %k0, %ecx - vfmadd213ps _sPoly_5(%rax), %zmm8, %zmm7 - vfmadd213ps _sPoly_4(%rax), %zmm8, %zmm7 - vfmadd213ps _sPoly_3(%rax), %zmm8, %zmm7 - vfmadd213ps _sPoly_2(%rax), %zmm8, %zmm7 - vfmadd213ps _sPoly_1(%rax), %zmm8, %zmm7 - vmulps %zmm8, %zmm7, %zmm9 - -/* polynomial evaluation end */ - vfmadd213ps %zmm8, %zmm8, %zmm9 - -/* - final reconstruction: - add exponent_value*log2 to polynomial result - */ - vfmadd132ps _sLn2(%rax), %zmm9, %zmm1 - testl %ecx, %ecx - jne .LBL_1_3 - -.LBL_1_2: - cfi_remember_state - vmovaps %zmm1, %zmm0 - 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 - vmovups %zmm0, 1152(%rsp) - vmovups %zmm1, 1216(%rsp) - je .LBL_1_2 - - xorb %dl, %dl - kmovw %k4, 1048(%rsp) - xorl %eax, %eax - kmovw %k5, 1040(%rsp) - kmovw %k6, 1032(%rsp) - kmovw %k7, 1024(%rsp) - vmovups %zmm16, 960(%rsp) - vmovups %zmm17, 896(%rsp) - vmovups %zmm18, 832(%rsp) - vmovups %zmm19, 768(%rsp) - vmovups %zmm20, 704(%rsp) - vmovups %zmm21, 640(%rsp) - vmovups %zmm22, 576(%rsp) - vmovups %zmm23, 512(%rsp) - vmovups %zmm24, 448(%rsp) - vmovups %zmm25, 384(%rsp) - vmovups %zmm26, 320(%rsp) - vmovups %zmm27, 256(%rsp) - vmovups %zmm28, 192(%rsp) - vmovups %zmm29, 128(%rsp) - vmovups %zmm30, 64(%rsp) - vmovups %zmm31, (%rsp) - movq %rsi, 1064(%rsp) - movq %rdi, 1056(%rsp) - movq %r12, 1096(%rsp) - cfi_offset_rel_rsp (12, 1096) - movb %dl, %r12b - movq %r13, 1088(%rsp) - cfi_offset_rel_rsp (13, 1088) - movl %ecx, %r13d - movq %r14, 1080(%rsp) - cfi_offset_rel_rsp (14, 1080) - movl %eax, %r14d - movq %r15, 1072(%rsp) - cfi_offset_rel_rsp (15, 1072) - 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: - addb $1, %r12b - addl $2, %r14d - cmpb $16, %r12b - jb .LBL_1_6 - - kmovw 1048(%rsp), %k4 - movq 1064(%rsp), %rsi - kmovw 1040(%rsp), %k5 - movq 1056(%rsp), %rdi - kmovw 1032(%rsp), %k6 - movq 1096(%rsp), %r12 - cfi_restore (%r12) - movq 1088(%rsp), %r13 - cfi_restore (%r13) - kmovw 1024(%rsp), %k7 - vmovups 960(%rsp), %zmm16 - vmovups 896(%rsp), %zmm17 - vmovups 832(%rsp), %zmm18 - vmovups 768(%rsp), %zmm19 - vmovups 704(%rsp), %zmm20 - vmovups 640(%rsp), %zmm21 - vmovups 576(%rsp), %zmm22 - vmovups 512(%rsp), %zmm23 - vmovups 448(%rsp), %zmm24 - vmovups 384(%rsp), %zmm25 - vmovups 320(%rsp), %zmm26 - vmovups 256(%rsp), %zmm27 - vmovups 192(%rsp), %zmm28 - vmovups 128(%rsp), %zmm29 - vmovups 64(%rsp), %zmm30 - vmovups (%rsp), %zmm31 - movq 1080(%rsp), %r14 - cfi_restore (%r14) - movq 1072(%rsp), %r15 - cfi_restore (%r15) - vmovups 1216(%rsp), %zmm1 - jmp .LBL_1_2 - -.LBL_1_10: - cfi_restore_state - movzbl %r12b, %r15d - vmovss 1156(%rsp,%r15,8), %xmm0 - call JUMPTARGET(__logf_finite) - vmovss %xmm0, 1220(%rsp,%r15,8) - jmp .LBL_1_8 - -.LBL_1_12: - movzbl %r12b, %r15d - vmovss 1152(%rsp,%r15,8), %xmm0 - call JUMPTARGET(__logf_finite) - vmovss %xmm0, 1216(%rsp,%r15,8) - jmp .LBL_1_7 -#endif -END (_ZGVeN16v_logf_knl) - -ENTRY (_ZGVeN16v_logf_skx) -#ifndef HAVE_AVX512DQ_ASM_SUPPORT -WRAPPER_IMPL_AVX512 _ZGVdN8v_logf -#else -/* - ALGORITHM DESCRIPTION: - - log(x) = exponent_x*log(2) + log(mantissa_x), if mantissa_x<4/3 - log(x) = (exponent_x+1)*log(2) + log(0.5*mantissa_x), if mantissa_x>4/3 - - R = mantissa_x - 1, if mantissa_x<4/3 - R = 0.5*mantissa_x - 1, if mantissa_x>4/3 - |R|< 1/3 - - log(1+R) is approximated as a polynomial: degree 9 for 1-ulp, - degree 7 for 4-ulp, degree 3 for half-precision. */ - - pushq %rbp - cfi_adjust_cfa_offset (8) - cfi_rel_offset (%rbp, 0) - movq %rsp, %rbp - cfi_def_cfa_register (%rbp) - andq $-64, %rsp - subq $1280, %rsp - movq __svml_slog_data@GOTPCREL(%rip), %rax - vmovups .L_2il0floatpacket.7(%rip), %zmm6 - vmovups _iBrkValue(%rax), %zmm4 - vmovups _sPoly_7(%rax), %zmm8 - -/* - check for working range, - set special argument mask (denormals/zero/Inf/NaN) - */ - vpaddd _iHiDelta(%rax), %zmm0, %zmm1 - -/* reduction: compute r,n */ - vpsubd %zmm4, %zmm0, %zmm2 - vpcmpd $5, _iLoRange(%rax), %zmm1, %k1 - -/* exponent_x (mantissa_x<4/3) or exponent_x+1 (mantissa_x>4/3) */ - vpsrad $23, %zmm2, %zmm5 - vpandd _iOffExpoMask(%rax), %zmm2, %zmm3 - -/* mantissa_x (mantissa_x<4/3), or 0.5*mantissa_x (mantissa_x>4/3) */ - vpaddd %zmm4, %zmm3, %zmm7 - -/* reduced argument R */ - vsubps _sOne(%rax), %zmm7, %zmm9 - -/* polynomial evaluation starts here */ - vfmadd213ps _sPoly_6(%rax), %zmm9, %zmm8 - vfmadd213ps _sPoly_5(%rax), %zmm9, %zmm8 - vfmadd213ps _sPoly_4(%rax), %zmm9, %zmm8 - vfmadd213ps _sPoly_3(%rax), %zmm9, %zmm8 - vfmadd213ps _sPoly_2(%rax), %zmm9, %zmm8 - vfmadd213ps _sPoly_1(%rax), %zmm9, %zmm8 - vmulps %zmm9, %zmm8, %zmm10 - -/* polynomial evaluation end */ - vfmadd213ps %zmm9, %zmm9, %zmm10 - vpandnd %zmm1, %zmm1, %zmm6{%k1} - vptestmd %zmm6, %zmm6, %k0 - vcvtdq2ps {rn-sae}, %zmm5, %zmm1 - kmovw %k0, %ecx - -/* - final reconstruction: - add exponent_value*log2 to polynomial result - */ - vfmadd132ps _sLn2(%rax), %zmm10, %zmm1 - testl %ecx, %ecx - jne .LBL_2_3 - -.LBL_2_2: - cfi_remember_state - vmovaps %zmm1, %zmm0 - movq %rbp, %rsp - cfi_def_cfa_register (%rsp) - popq %rbp - cfi_adjust_cfa_offset (-8) - cfi_restore (%rbp) - ret - -.LBL_2_3: - cfi_restore_state - vmovups %zmm0, 1152(%rsp) - vmovups %zmm1, 1216(%rsp) - je .LBL_2_2 - - xorb %dl, %dl - xorl %eax, %eax - kmovw %k4, 1048(%rsp) - kmovw %k5, 1040(%rsp) - kmovw %k6, 1032(%rsp) - kmovw %k7, 1024(%rsp) - vmovups %zmm16, 960(%rsp) - vmovups %zmm17, 896(%rsp) - vmovups %zmm18, 832(%rsp) - vmovups %zmm19, 768(%rsp) - vmovups %zmm20, 704(%rsp) - vmovups %zmm21, 640(%rsp) - vmovups %zmm22, 576(%rsp) - vmovups %zmm23, 512(%rsp) - vmovups %zmm24, 448(%rsp) - vmovups %zmm25, 384(%rsp) - vmovups %zmm26, 320(%rsp) - vmovups %zmm27, 256(%rsp) - vmovups %zmm28, 192(%rsp) - vmovups %zmm29, 128(%rsp) - vmovups %zmm30, 64(%rsp) - vmovups %zmm31, (%rsp) - movq %rsi, 1064(%rsp) - movq %rdi, 1056(%rsp) - movq %r12, 1096(%rsp) - cfi_offset_rel_rsp (12, 1096) - movb %dl, %r12b - movq %r13, 1088(%rsp) - cfi_offset_rel_rsp (13, 1088) - movl %ecx, %r13d - movq %r14, 1080(%rsp) - cfi_offset_rel_rsp (14, 1080) - movl %eax, %r14d - movq %r15, 1072(%rsp) - cfi_offset_rel_rsp (15, 1072) - cfi_remember_state - -.LBL_2_6: - btl %r14d, %r13d - jc .LBL_2_12 - -.LBL_2_7: - lea 1(%r14), %esi - btl %esi, %r13d - jc .LBL_2_10 - -.LBL_2_8: - incb %r12b - addl $2, %r14d - cmpb $16, %r12b - jb .LBL_2_6 - - kmovw 1048(%rsp), %k4 - kmovw 1040(%rsp), %k5 - kmovw 1032(%rsp), %k6 - kmovw 1024(%rsp), %k7 - vmovups 960(%rsp), %zmm16 - vmovups 896(%rsp), %zmm17 - vmovups 832(%rsp), %zmm18 - vmovups 768(%rsp), %zmm19 - vmovups 704(%rsp), %zmm20 - vmovups 640(%rsp), %zmm21 - vmovups 576(%rsp), %zmm22 - vmovups 512(%rsp), %zmm23 - vmovups 448(%rsp), %zmm24 - vmovups 384(%rsp), %zmm25 - vmovups 320(%rsp), %zmm26 - vmovups 256(%rsp), %zmm27 - vmovups 192(%rsp), %zmm28 - vmovups 128(%rsp), %zmm29 - vmovups 64(%rsp), %zmm30 - vmovups (%rsp), %zmm31 - vmovups 1216(%rsp), %zmm1 - movq 1064(%rsp), %rsi - movq 1056(%rsp), %rdi - movq 1096(%rsp), %r12 - cfi_restore (%r12) - movq 1088(%rsp), %r13 - cfi_restore (%r13) - movq 1080(%rsp), %r14 - cfi_restore (%r14) - movq 1072(%rsp), %r15 - cfi_restore (%r15) - jmp .LBL_2_2 - -.LBL_2_10: - cfi_restore_state - movzbl %r12b, %r15d - vmovss 1156(%rsp,%r15,8), %xmm0 - vzeroupper - vmovss 1156(%rsp,%r15,8), %xmm0 - - call JUMPTARGET(__logf_finite) - - vmovss %xmm0, 1220(%rsp,%r15,8) - jmp .LBL_2_8 - -.LBL_2_12: - movzbl %r12b, %r15d - vmovss 1152(%rsp,%r15,8), %xmm0 - vzeroupper - vmovss 1152(%rsp,%r15,8), %xmm0 - - call JUMPTARGET(__logf_finite) - - vmovss %xmm0, 1216(%rsp,%r15,8) - jmp .LBL_2_7 - -#endif -END (_ZGVeN16v_logf_skx) - - .section .rodata, "a" -.L_2il0floatpacket.7: - .long 0xffffffff,0xffffffff,0xffffffff,0xffffffff,0xffffffff,0xffffffff,0xffffffff,0xffffffff,0xffffffff,0xffffffff,0xffffffff,0xffffffff,0xffffffff,0xffffffff,0xffffffff,0xffffffff - .type .L_2il0floatpacket.7,@object |