diff options
Diffstat (limited to 'REORG.TODO/sysdeps/x86_64/fpu/multiarch/svml_d_cos8_core_avx512.S')
| -rw-r--r-- | REORG.TODO/sysdeps/x86_64/fpu/multiarch/svml_d_cos8_core_avx512.S | 463 |
1 files changed, 463 insertions, 0 deletions
diff --git a/REORG.TODO/sysdeps/x86_64/fpu/multiarch/svml_d_cos8_core_avx512.S b/REORG.TODO/sysdeps/x86_64/fpu/multiarch/svml_d_cos8_core_avx512.S new file mode 100644 index 0000000000..e7af83c6d5 --- /dev/null +++ b/REORG.TODO/sysdeps/x86_64/fpu/multiarch/svml_d_cos8_core_avx512.S @@ -0,0 +1,463 @@ +/* Function cos 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_trig_data.h" +#include "svml_d_wrapper_impl.h" + + .text +ENTRY (_ZGVeN8v_cos_knl) +#ifndef HAVE_AVX512DQ_ASM_SUPPORT +WRAPPER_IMPL_AVX512 _ZGVdN4v_cos +#else +/* + ALGORITHM DESCRIPTION: + + ( low accuracy ( < 4ulp ) or enhanced performance + ( half of correct mantissa ) implementation ) + + Argument representation: + arg + Pi/2 = (N*Pi + R) + + Result calculation: + cos(arg) = sin(arg+Pi/2) = 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 $1280, %rsp + movq __svml_d_trig_data@GOTPCREL(%rip), %rax + +/* R = X - N*Pi1 */ + vmovaps %zmm0, %zmm7 + +/* Check for large arguments path */ + movq $-1, %rcx + +/* + ARGUMENT RANGE REDUCTION: + Add Pi/2 to argument: X' = X+Pi/2 + */ + vaddpd __dHalfPI(%rax), %zmm0, %zmm5 + vmovups __dInvPI(%rax), %zmm3 + +/* Get absolute argument value: X' = |X'| */ + vpandq __dAbsMask(%rax), %zmm5, %zmm1 + +/* Y = X'*InvPi + RS : right shifter add */ + vfmadd213pd __dRShifter(%rax), %zmm3, %zmm5 + vmovups __dPI1_FMA(%rax), %zmm6 + +/* N = Y - RS : right shifter sub */ + vsubpd __dRShifter(%rax), %zmm5, %zmm4 + +/* SignRes = Y<<63 : shift LSB to MSB place for result sign */ + vpsllq $63, %zmm5, %zmm12 + vmovups __dC7(%rax), %zmm8 + +/* N = N - 0.5 */ + vsubpd __dOneHalf(%rax), %zmm4, %zmm10 + vcmppd $22, __dRangeVal(%rax), %zmm1, %k1 + vpbroadcastq %rcx, %zmm2{%k1}{z} + vfnmadd231pd %zmm10, %zmm6, %zmm7 + vptestmq %zmm2, %zmm2, %k0 + +/* R = R - N*Pi2 */ + vfnmadd231pd __dPI2_FMA(%rax), %zmm10, %zmm7 + kmovw %k0, %ecx + movzbl %cl, %ecx + +/* R = R - N*Pi3 */ + vfnmadd132pd __dPI3_FMA(%rax), %zmm7, %zmm10 + +/* + POLYNOMIAL APPROXIMATION: + R2 = R*R + */ + vmulpd %zmm10, %zmm10, %zmm9 + vfmadd213pd __dC6(%rax), %zmm9, %zmm8 + vfmadd213pd __dC5(%rax), %zmm9, %zmm8 + vfmadd213pd __dC4(%rax), %zmm9, %zmm8 + +/* Poly = C3+R2*(C4+R2*(C5+R2*(C6+R2*C7))) */ + vfmadd213pd __dC3(%rax), %zmm9, %zmm8 + +/* Poly = R+R*(R2*(C1+R2*(C2+R2*Poly))) */ + vfmadd213pd __dC2(%rax), %zmm9, %zmm8 + vfmadd213pd __dC1(%rax), %zmm9, %zmm8 + vmulpd %zmm9, %zmm8, %zmm11 + vfmadd213pd %zmm10, %zmm10, %zmm11 + +/* + RECONSTRUCTION: + Final sign setting: Res = Poly^SignRes + */ + vpxorq %zmm12, %zmm11, %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 + shlq $4, %r15 + vmovsd 1160(%rsp,%r15), %xmm0 + call JUMPTARGET(cos) + 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(cos) + vmovsd %xmm0, 1216(%rsp,%r15) + jmp .LBL_1_7 +#endif +END (_ZGVeN8v_cos_knl) + +ENTRY (_ZGVeN8v_cos_skx) +#ifndef HAVE_AVX512DQ_ASM_SUPPORT +WRAPPER_IMPL_AVX512 _ZGVdN4v_cos +#else +/* + ALGORITHM DESCRIPTION: + + ( low accuracy ( < 4ulp ) or enhanced performance + ( half of correct mantissa ) implementation ) + + Argument representation: + arg + Pi/2 = (N*Pi + R) + + Result calculation: + cos(arg) = sin(arg+Pi/2) = 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 $1280, %rsp + movq __svml_d_trig_data@GOTPCREL(%rip), %rax + +/* R = X - N*Pi1 */ + vmovaps %zmm0, %zmm8 + +/* Check for large arguments path */ + vpbroadcastq .L_2il0floatpacket.16(%rip), %zmm2 + +/* + ARGUMENT RANGE REDUCTION: + Add Pi/2 to argument: X' = X+Pi/2 + */ + vaddpd __dHalfPI(%rax), %zmm0, %zmm6 + vmovups __dInvPI(%rax), %zmm3 + vmovups __dRShifter(%rax), %zmm4 + vmovups __dPI1_FMA(%rax), %zmm7 + vmovups __dC7(%rax), %zmm9 + +/* Get absolute argument value: X' = |X'| */ + vandpd __dAbsMask(%rax), %zmm6, %zmm1 + +/* Y = X'*InvPi + RS : right shifter add */ + vfmadd213pd %zmm4, %zmm3, %zmm6 + vcmppd $18, __dRangeVal(%rax), %zmm1, %k1 + +/* SignRes = Y<<63 : shift LSB to MSB place for result sign */ + vpsllq $63, %zmm6, %zmm13 + +/* N = Y - RS : right shifter sub */ + vsubpd %zmm4, %zmm6, %zmm5 + +/* N = N - 0.5 */ + vsubpd __dOneHalf(%rax), %zmm5, %zmm11 + vfnmadd231pd %zmm11, %zmm7, %zmm8 + +/* R = R - N*Pi2 */ + vfnmadd231pd __dPI2_FMA(%rax), %zmm11, %zmm8 + +/* R = R - N*Pi3 */ + vfnmadd132pd __dPI3_FMA(%rax), %zmm8, %zmm11 + +/* + POLYNOMIAL APPROXIMATION: + R2 = R*R + */ + vmulpd %zmm11, %zmm11, %zmm10 + vfmadd213pd __dC6(%rax), %zmm10, %zmm9 + vfmadd213pd __dC5(%rax), %zmm10, %zmm9 + vfmadd213pd __dC4(%rax), %zmm10, %zmm9 + +/* Poly = C3+R2*(C4+R2*(C5+R2*(C6+R2*C7))) */ + vfmadd213pd __dC3(%rax), %zmm10, %zmm9 + +/* Poly = R+R*(R2*(C1+R2*(C2+R2*Poly))) */ + vfmadd213pd __dC2(%rax), %zmm10, %zmm9 + vfmadd213pd __dC1(%rax), %zmm10, %zmm9 + vmulpd %zmm10, %zmm9, %zmm12 + vfmadd213pd %zmm11, %zmm11, %zmm12 + vpandnq %zmm1, %zmm1, %zmm2{%k1} + vcmppd $3, %zmm2, %zmm2, %k0 + +/* + RECONSTRUCTION: + Final sign setting: Res = Poly^SignRes + */ + vxorpd %zmm13, %zmm12, %zmm1 + 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 + shlq $4, %r15 + vmovsd 1160(%rsp,%r15), %xmm0 + vzeroupper + vmovsd 1160(%rsp,%r15), %xmm0 + + call JUMPTARGET(cos) + + 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(cos) + + vmovsd %xmm0, 1216(%rsp,%r15) + jmp .LBL_2_7 +#endif +END (_ZGVeN8v_cos_skx) + + .section .rodata, "a" +.L_2il0floatpacket.16: + .long 0xffffffff,0xffffffff + .type .L_2il0floatpacket.16,@object |