diff options
Diffstat (limited to 'sysdeps/x86_64/fpu/multiarch/svml_s_expf16_core_avx512.S')
| -rw-r--r-- | sysdeps/x86_64/fpu/multiarch/svml_s_expf16_core_avx512.S | 447 |
1 files changed, 0 insertions, 447 deletions
diff --git a/sysdeps/x86_64/fpu/multiarch/svml_s_expf16_core_avx512.S b/sysdeps/x86_64/fpu/multiarch/svml_s_expf16_core_avx512.S deleted file mode 100644 index e80b2be1a7..0000000000 --- a/sysdeps/x86_64/fpu/multiarch/svml_s_expf16_core_avx512.S +++ /dev/null @@ -1,447 +0,0 @@ -/* Function expf 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_expf_data.h" -#include "svml_s_wrapper_impl.h" - - .text -ENTRY (_ZGVeN16v_expf_knl) -#ifndef HAVE_AVX512DQ_ASM_SUPPORT -WRAPPER_IMPL_AVX512 _ZGVdN8v_expf -#else -/* - ALGORITHM DESCRIPTION: - - Argument representation: - M = rint(X*2^k/ln2) = 2^k*N+j - X = M*ln2/2^k + r = N*ln2 + ln2*(j/2^k) + r - then -ln2/2^(k+1) < r < ln2/2^(k+1) - Alternatively: - M = trunc(X*2^k/ln2) - then 0 < r < ln2/2^k - - Result calculation: - exp(X) = exp(N*ln2 + ln2*(j/2^k) + r) - = 2^N * 2^(j/2^k) * exp(r) - 2^N is calculated by bit manipulation - 2^(j/2^k) is computed from table lookup - exp(r) is approximated by polynomial - - The table lookup is skipped if k = 0. - For low accuracy approximation, exp(r) ~ 1 or 1+r. */ - - 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_sexp_data@GOTPCREL(%rip), %rax - -/* r = x-n*ln2_hi/2^k */ - vmovaps %zmm0, %zmm6 - -/* compare against threshold */ - movl $-1, %ecx - vmovups __sInvLn2(%rax), %zmm3 - vmovups __sLn2hi(%rax), %zmm5 - -/* m = x*2^k/ln2 + shifter */ - vfmadd213ps __sShifter(%rax), %zmm0, %zmm3 - vmovups __sPC5(%rax), %zmm9 - -/* n = m - shifter = rint(x*2^k/ln2) */ - vsubps __sShifter(%rax), %zmm3, %zmm7 - -/* remove sign of x by "and" operation */ - vpandd __iAbsMask(%rax), %zmm0, %zmm1 - vpaddd __iBias(%rax), %zmm3, %zmm4 - vpcmpgtd __iDomainRange(%rax), %zmm1, %k1 - -/* compute 2^N with "shift" */ - vpslld $23, %zmm4, %zmm8 - vfnmadd231ps %zmm7, %zmm5, %zmm6 - vpbroadcastd %ecx, %zmm2{%k1}{z} - -/* r = r-n*ln2_lo/2^k = x - n*ln2/2^k */ - vfnmadd132ps __sLn2lo(%rax), %zmm6, %zmm7 - -/* set mask for overflow/underflow */ - vptestmd %zmm2, %zmm2, %k0 - kmovw %k0, %ecx - -/* c5*r+c4 */ - vfmadd213ps __sPC4(%rax), %zmm7, %zmm9 - -/* (c5*r+c4)*r+c3 */ - vfmadd213ps __sPC3(%rax), %zmm7, %zmm9 - -/* ((c5*r+c4)*r+c3)*r+c2 */ - vfmadd213ps __sPC2(%rax), %zmm7, %zmm9 - -/* (((c5*r+c4)*r+c3)*r+c2)*r+c1 */ - vfmadd213ps __sPC1(%rax), %zmm7, %zmm9 - -/* exp(r) = ((((c5*r+c4)*r+c3)*r+c2)*r+c1)*r+c0 */ - vfmadd213ps __sPC0(%rax), %zmm7, %zmm9 - -/* 2^N*exp(r) */ - vmulps %zmm9, %zmm8, %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(__expf_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(__expf_finite) - vmovss %xmm0, 1216(%rsp,%r15,8) - jmp .LBL_1_7 - -#endif -END (_ZGVeN16v_expf_knl) - -ENTRY (_ZGVeN16v_expf_skx) -#ifndef HAVE_AVX512DQ_ASM_SUPPORT -WRAPPER_IMPL_AVX512 _ZGVdN8v_expf -#else -/* - ALGORITHM DESCRIPTION: - - Argument representation: - M = rint(X*2^k/ln2) = 2^k*N+j - X = M*ln2/2^k + r = N*ln2 + ln2*(j/2^k) + r - then -ln2/2^(k+1) < r < ln2/2^(k+1) - Alternatively: - M = trunc(X*2^k/ln2) - then 0 < r < ln2/2^k - - Result calculation: - exp(X) = exp(N*ln2 + ln2*(j/2^k) + r) - = 2^N * 2^(j/2^k) * exp(r) - 2^N is calculated by bit manipulation - 2^(j/2^k) is computed from table lookup - exp(r) is approximated by polynomial - - The table lookup is skipped if k = 0. - For low accuracy approximation, exp(r) ~ 1 or 1+r. */ - - 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_sexp_data@GOTPCREL(%rip), %rax - -/* r = x-n*ln2_hi/2^k */ - vmovaps %zmm0, %zmm7 - -/* compare against threshold */ - vmovups .L_2il0floatpacket.13(%rip), %zmm3 - vmovups __sInvLn2(%rax), %zmm4 - vmovups __sShifter(%rax), %zmm1 - vmovups __sLn2hi(%rax), %zmm6 - vmovups __sPC5(%rax), %zmm10 - -/* m = x*2^k/ln2 + shifter */ - vfmadd213ps %zmm1, %zmm0, %zmm4 - -/* n = m - shifter = rint(x*2^k/ln2) */ - vsubps %zmm1, %zmm4, %zmm8 - vpaddd __iBias(%rax), %zmm4, %zmm5 - vfnmadd231ps %zmm8, %zmm6, %zmm7 - -/* compute 2^N with "shift" */ - vpslld $23, %zmm5, %zmm9 - -/* r = r-n*ln2_lo/2^k = x - n*ln2/2^k */ - vfnmadd132ps __sLn2lo(%rax), %zmm7, %zmm8 - -/* c5*r+c4 */ - vfmadd213ps __sPC4(%rax), %zmm8, %zmm10 - -/* (c5*r+c4)*r+c3 */ - vfmadd213ps __sPC3(%rax), %zmm8, %zmm10 - -/* ((c5*r+c4)*r+c3)*r+c2 */ - vfmadd213ps __sPC2(%rax), %zmm8, %zmm10 - -/* (((c5*r+c4)*r+c3)*r+c2)*r+c1 */ - vfmadd213ps __sPC1(%rax), %zmm8, %zmm10 - -/* exp(r) = ((((c5*r+c4)*r+c3)*r+c2)*r+c1)*r+c0 */ - vfmadd213ps __sPC0(%rax), %zmm8, %zmm10 - -/* 2^N*exp(r) */ - vmulps %zmm10, %zmm9, %zmm1 - -/* remove sign of x by "and" operation */ - vpandd __iAbsMask(%rax), %zmm0, %zmm2 - vpcmpd $2, __iDomainRange(%rax), %zmm2, %k1 - vpandnd %zmm2, %zmm2, %zmm3{%k1} - -/* set mask for overflow/underflow */ - vptestmd %zmm3, %zmm3, %k0 - kmovw %k0, %ecx - 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(__expf_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(__expf_finite) - - vmovss %xmm0, 1216(%rsp,%r15,8) - jmp .LBL_2_7 - -#endif -END (_ZGVeN16v_expf_skx) - - .section .rodata, "a" -.L_2il0floatpacket.13: - .long 0xffffffff,0xffffffff,0xffffffff,0xffffffff,0xffffffff,0xffffffff,0xffffffff,0xffffffff,0xffffffff,0xffffffff,0xffffffff,0xffffffff,0xffffffff,0xffffffff,0xffffffff,0xffffffff - .type .L_2il0floatpacket.13,@object |