diff options
Diffstat (limited to 'sysdeps/x86_64/fpu/multiarch/svml_d_log8_core_avx512.S')
| -rw-r--r-- | sysdeps/x86_64/fpu/multiarch/svml_d_log8_core_avx512.S | 468 |
1 files changed, 0 insertions, 468 deletions
diff --git a/sysdeps/x86_64/fpu/multiarch/svml_d_log8_core_avx512.S b/sysdeps/x86_64/fpu/multiarch/svml_d_log8_core_avx512.S deleted file mode 100644 index d10d5114c6..0000000000 --- a/sysdeps/x86_64/fpu/multiarch/svml_d_log8_core_avx512.S +++ /dev/null @@ -1,468 +0,0 @@ -/* Function log 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_d_log_data.h" -#include "svml_d_wrapper_impl.h" - - .text -ENTRY (_ZGVeN8v_log_knl) -#ifndef HAVE_AVX512DQ_ASM_SUPPORT -WRAPPER_IMPL_AVX512 _ZGVdN4v_log -#else -/* - ALGORITHM DESCRIPTION: - - log(x) = -log(Rcp) + log(Rcp*x), - where Rcp ~ 1/x (accuracy ~9 bits, obtained by - rounding HW approximation to 1+9 mantissa bits) - - Reduced argument R=Rcp*x-1 is used to approximate log(1+R) as polynomial - - log(Rcp) = exponent_Rcp*log(2) + log(mantissa_Rcp) - -log(mantissa_Rcp) is obtained from a lookup table, - accessed by a 9-bit index - */ - 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_dlog_data@GOTPCREL(%rip), %rdx - movq $-1, %rax - -/* isolate exponent bits */ - vpsrlq $20, %zmm0, %zmm2 - vpsrlq $32, %zmm2, %zmm3 - vpxord %zmm2, %zmm2, %zmm2 - kxnorw %k3, %k3, %k3 - vmovups _Two10(%rdx), %zmm1 - vmovups _One(%rdx), %zmm9 - vpmovqd %zmm3, %ymm4 - -/* convert biased exponent to DP format */ - vcvtdq2pd %ymm4, %zmm13 - -/* preserve mantissa, set input exponent to 2^(-10) */ - vpternlogq $248, _ExpMask(%rdx), %zmm0, %zmm1 - vcmppd $17, _MinNorm(%rdx), %zmm0, %k1 - -/* reciprocal approximation good to at least 11 bits */ - vrcp28pd %zmm1, %zmm5 - vpbroadcastq %rax, %zmm6{%k1}{z} - vmovups _poly_coeff_3(%rdx), %zmm15 - vcmppd $22, _MaxNorm(%rdx), %zmm0, %k2 - vmovups _Bias1(%rdx), %zmm14 - -/* round reciprocal to nearest integer, will have 1+9 mantissa bits */ - vrndscalepd $8, %zmm5, %zmm11 - vpbroadcastq %rax, %zmm7{%k2}{z} - -/* argument reduction started: R = Mantissa*Rcp - 1 */ - vfmsub213pd %zmm9, %zmm11, %zmm1 - -/* calculate index for table lookup */ - vpsrlq $40, %zmm11, %zmm10 - vgatherqpd _LogRcp_lookup(%rdx,%zmm10), %zmm2{%k3} - vcmppd $30, _Threshold(%rdx), %zmm11, %k1 - -/* combine and get argument value range mask */ - vporq %zmm7, %zmm6, %zmm8 - -/* exponent*log(2.0) */ - vmovups _poly_coeff_1(%rdx), %zmm11 - vmulpd %zmm1, %zmm1, %zmm10 - vptestmq %zmm8, %zmm8, %k0 - vfmadd213pd _poly_coeff_4(%rdx), %zmm1, %zmm15 - kmovw %k0, %ecx - -/* polynomial computation */ - vfmadd213pd _poly_coeff_2(%rdx), %zmm1, %zmm11 - movzbl %cl, %ecx - vpbroadcastq %rax, %zmm12{%k1}{z} - vfmadd213pd %zmm15, %zmm10, %zmm11 - vpternlogq $248, _Bias(%rdx), %zmm12, %zmm14 - -/* - Table stores -log(0.5*mantissa) for larger mantissas, - adjust exponent accordingly - */ - vsubpd %zmm14, %zmm13, %zmm3 - -/* - reconstruction: - (exponent*log(2)) + (LogRcp + (R+poly)) - */ - vfmadd213pd %zmm1, %zmm10, %zmm11 - vaddpd %zmm2, %zmm11, %zmm1 - vfmadd132pd _L2(%rdx), %zmm1, %zmm3 - testl %ecx, %ecx - jne .LBL_1_3 - -.LBL_1_2: - cfi_remember_state - vmovaps %zmm3, %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 %zmm3, 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), %zmm3 - jmp .LBL_1_2 - -.LBL_1_10: - cfi_restore_state - movzbl %r12b, %r15d - shlq $4, %r15 - vmovsd 1160(%rsp,%r15), %xmm0 - call JUMPTARGET(__log_finite) - vmovsd %xmm0, 1224(%rsp,%r15) - jmp .LBL_1_8 - -.LBL_1_12: - movzbl %r12b, %r15d - shlq $4, %r15 - vmovsd 1152(%rsp,%r15), %xmm0 - call JUMPTARGET(__log_finite) - vmovsd %xmm0, 1216(%rsp,%r15) - jmp .LBL_1_7 -#endif -END (_ZGVeN8v_log_knl) - -ENTRY (_ZGVeN8v_log_skx) -#ifndef HAVE_AVX512DQ_ASM_SUPPORT -WRAPPER_IMPL_AVX512 _ZGVdN4v_log -#else -/* - ALGORITHM DESCRIPTION: - - log(x) = -log(Rcp) + log(Rcp*x), - where Rcp ~ 1/x (accuracy ~9 bits, - obtained by rounding HW approximation to 1+9 mantissa bits) - - Reduced argument R=Rcp*x-1 is used to approximate log(1+R) as polynomial - - log(Rcp) = exponent_Rcp*log(2) + log(mantissa_Rcp) - -log(mantissa_Rcp) is obtained from a lookup table, - accessed by a 9-bit index - */ - 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_dlog_data@GOTPCREL(%rip), %rax - vmovaps %zmm0, %zmm3 - kxnorw %k3, %k3, %k3 - vmovups _Two10(%rax), %zmm2 - vmovups _Threshold(%rax), %zmm14 - vmovups _One(%rax), %zmm11 - vcmppd $21, _MinNorm(%rax), %zmm3, %k1 - vcmppd $18, _MaxNorm(%rax), %zmm3, %k2 - -/* isolate exponent bits */ - vpsrlq $20, %zmm3, %zmm4 - -/* preserve mantissa, set input exponent to 2^(-10) */ - vpternlogq $248, _ExpMask(%rax), %zmm3, %zmm2 - vpbroadcastq .L_2il0floatpacket.12(%rip), %zmm1 - vpsrlq $32, %zmm4, %zmm6 - -/* reciprocal approximation good to at least 11 bits */ - vrcp14pd %zmm2, %zmm5 - -/* exponent*log(2.0) */ - vmovups _poly_coeff_1(%rax), %zmm4 - vpmovqd %zmm6, %ymm7 - -/* round reciprocal to nearest integer, will have 1+9 mantissa bits */ - vrndscalepd $8, %zmm5, %zmm0 - -/* calculate index for table lookup */ - vpsrlq $40, %zmm0, %zmm12 - -/* argument reduction started: R = Mantissa*Rcp - 1 */ - vfmsub213pd %zmm11, %zmm0, %zmm2 - vpmovqd %zmm12, %ymm13 - -/* polynomial computation */ - vfmadd213pd _poly_coeff_2(%rax), %zmm2, %zmm4 - vmovaps %zmm1, %zmm8 - vmovaps %zmm1, %zmm9 - vpxord %zmm5, %zmm5, %zmm5 - vgatherdpd _LogRcp_lookup(%rax,%ymm13), %zmm5{%k3} - vmovups _Bias1(%rax), %zmm13 - vpandnq %zmm3, %zmm3, %zmm8{%k1} - vcmppd $21, %zmm0, %zmm14, %k1 - vpandnq %zmm14, %zmm14, %zmm1{%k1} - vmulpd %zmm2, %zmm2, %zmm14 - vpternlogq $248, _Bias(%rax), %zmm1, %zmm13 - vmovups _poly_coeff_3(%rax), %zmm1 - vfmadd213pd _poly_coeff_4(%rax), %zmm2, %zmm1 - vfmadd213pd %zmm1, %zmm14, %zmm4 - -/* - reconstruction: - (exponent*log(2)) + (LogRcp + (R+poly)) - */ - vfmadd213pd %zmm2, %zmm14, %zmm4 - vaddpd %zmm5, %zmm4, %zmm2 - vpandnq %zmm3, %zmm3, %zmm9{%k2} - -/* combine and get argument value range mask */ - vorpd %zmm9, %zmm8, %zmm10 - vcmppd $3, %zmm10, %zmm10, %k0 - kmovw %k0, %ecx - -/* convert biased exponent to DP format */ - vcvtdq2pd %ymm7, %zmm15 - -/* - Table stores -log(0.5*mantissa) for larger mantissas, - adjust exponent accordingly - */ - vsubpd %zmm13, %zmm15, %zmm0 - vfmadd132pd _L2(%rax), %zmm2, %zmm0 - testl %ecx, %ecx - jne .LBL_2_3 - -.LBL_2_2: - cfi_remember_state - 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 %zmm3, 1152(%rsp) - vmovups %zmm0, 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), %zmm0 - 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 - shlq $4, %r15 - vmovsd 1160(%rsp,%r15), %xmm0 - vzeroupper - vmovsd 1160(%rsp,%r15), %xmm0 - - call JUMPTARGET(__log_finite) - - vmovsd %xmm0, 1224(%rsp,%r15) - jmp .LBL_2_8 - -.LBL_2_12: - movzbl %r12b, %r15d - shlq $4, %r15 - vmovsd 1152(%rsp,%r15), %xmm0 - vzeroupper - vmovsd 1152(%rsp,%r15), %xmm0 - - call JUMPTARGET(__log_finite) - - vmovsd %xmm0, 1216(%rsp,%r15) - jmp .LBL_2_7 -#endif -END (_ZGVeN8v_log_skx) - - .section .rodata, "a" -.L_2il0floatpacket.12: - .long 0xffffffff,0xffffffff - .type .L_2il0floatpacket.12,@object |