/* Function sin vectorized with AVX-512, KNL and SKX versions. Copyright (C) 2014-2016 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 . */ #include #include "svml_d_trig_data.h" #include "svml_d_wrapper_impl.h" .text ENTRY (_ZGVeN8v_sin_knl) #ifndef HAVE_AVX512_ASM_SUPPORT WRAPPER_IMPL_AVX512 _ZGVdN4v_sin #else /* ALGORITHM DESCRIPTION: ( low accuracy ( < 4ulp ) or enhanced performance ( half of correct mantissa ) implementation ) Argument representation: arg = N*Pi + R Result calculation: sin(arg) = 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 movq $-1, %rdx vmovups __dAbsMask(%rax), %zmm6 vmovups __dInvPI(%rax), %zmm1 /* ARGUMENT RANGE REDUCTION: X' = |X| */ vpandq %zmm6, %zmm0, %zmm12 vmovups __dPI1_FMA(%rax), %zmm2 vmovups __dC7_sin(%rax), %zmm7 /* SignX - sign bit of X */ vpandnq %zmm0, %zmm6, %zmm11 /* R = X' - N*Pi1 */ vmovaps %zmm12, %zmm3 /* Y = X'*InvPi + RS : right shifter add */ vfmadd213pd __dRShifter(%rax), %zmm12, %zmm1 vcmppd $22, __dRangeVal(%rax), %zmm12, %k1 vpbroadcastq %rdx, %zmm13{%k1}{z} /* N = Y - RS : right shifter sub */ vsubpd __dRShifter(%rax), %zmm1, %zmm4 /* SignRes = Y<<63 : shift LSB to MSB place for result sign */ vpsllq $63, %zmm1, %zmm5 vptestmq %zmm13, %zmm13, %k0 vfnmadd231pd %zmm4, %zmm2, %zmm3 kmovw %k0, %ecx movzbl %cl, %ecx /* R = R - N*Pi2 */ vfnmadd231pd __dPI2_FMA(%rax), %zmm4, %zmm3 /* R = R - N*Pi3 */ vfnmadd132pd __dPI3_FMA(%rax), %zmm3, %zmm4 /* POLYNOMIAL APPROXIMATION: R2 = R*R */ vmulpd %zmm4, %zmm4, %zmm8 /* R = R^SignRes : update sign of reduced argument */ vpxorq %zmm5, %zmm4, %zmm9 vfmadd213pd __dC6_sin(%rax), %zmm8, %zmm7 vfmadd213pd __dC5_sin(%rax), %zmm8, %zmm7 vfmadd213pd __dC4_sin(%rax), %zmm8, %zmm7 /* Poly = C3+R2*(C4+R2*(C5+R2*(C6+R2*C7))) */ vfmadd213pd __dC3_sin(%rax), %zmm8, %zmm7 /* Poly = R2*(C1+R2*(C2+R2*Poly)) */ vfmadd213pd __dC2_sin(%rax), %zmm8, %zmm7 vfmadd213pd __dC1_sin(%rax), %zmm8, %zmm7 vmulpd %zmm8, %zmm7, %zmm10 /* Poly = Poly*R + R */ vfmadd213pd %zmm9, %zmm9, %zmm10 /* RECONSTRUCTION: Final sign setting: Res = Poly^SignX */ vpxorq %zmm11, %zmm10, %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 sin@PLT vmovsd %xmm0, 1224(%rsp,%r15) jmp .LBL_1_8 .LBL_1_12: movzbl %r12b, %r15d shlq $4, %r15 vmovsd 1152(%rsp,%r15), %xmm0 call sin@PLT vmovsd %xmm0, 1216(%rsp,%r15) jmp .LBL_1_7 #endif END (_ZGVeN8v_sin_knl) ENTRY (_ZGVeN8v_sin_skx) #ifndef HAVE_AVX512_ASM_SUPPORT WRAPPER_IMPL_AVX512 _ZGVdN4v_sin #else /* ALGORITHM DESCRIPTION: ( low accuracy ( < 4ulp ) or enhanced performance ( half of correct mantissa ) implementation ) Argument representation: arg = N*Pi + R Result calculation: sin(arg) = 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 vpbroadcastq .L_2il0floatpacket.14(%rip), %zmm14 vmovups __dAbsMask(%rax), %zmm7 vmovups __dInvPI(%rax), %zmm2 vmovups __dRShifter(%rax), %zmm1 vmovups __dPI1_FMA(%rax), %zmm3 vmovups __dC7_sin(%rax), %zmm8 /* ARGUMENT RANGE REDUCTION: X' = |X| */ vandpd %zmm7, %zmm0, %zmm13 /* SignX - sign bit of X */ vandnpd %zmm0, %zmm7, %zmm12 /* Y = X'*InvPi + RS : right shifter add */ vfmadd213pd %zmm1, %zmm13, %zmm2 vcmppd $18, __dRangeVal(%rax), %zmm13, %k1 /* SignRes = Y<<63 : shift LSB to MSB place for result sign */ vpsllq $63, %zmm2, %zmm6 /* N = Y - RS : right shifter sub */ vsubpd %zmm1, %zmm2, %zmm5 /* R = X' - N*Pi1 */ vmovaps %zmm13, %zmm4 vfnmadd231pd %zmm5, %zmm3, %zmm4 /* R = R - N*Pi2 */ vfnmadd231pd __dPI2_FMA(%rax), %zmm5, %zmm4 /* R = R - N*Pi3 */ vfnmadd132pd __dPI3_FMA(%rax), %zmm4, %zmm5 /* POLYNOMIAL APPROXIMATION: R2 = R*R */ vmulpd %zmm5, %zmm5, %zmm9 /* R = R^SignRes : update sign of reduced argument */ vxorpd %zmm6, %zmm5, %zmm10 vfmadd213pd __dC6_sin(%rax), %zmm9, %zmm8 vfmadd213pd __dC5_sin(%rax), %zmm9, %zmm8 vfmadd213pd __dC4_sin(%rax), %zmm9, %zmm8 /* Poly = C3+R2*(C4+R2*(C5+R2*(C6+R2*C7))) */ vfmadd213pd __dC3_sin(%rax), %zmm9, %zmm8 /* Poly = R2*(C1+R2*(C2+R2*Poly)) */ vfmadd213pd __dC2_sin(%rax), %zmm9, %zmm8 vfmadd213pd __dC1_sin(%rax), %zmm9, %zmm8 vmulpd %zmm9, %zmm8, %zmm11 /* Poly = Poly*R + R */ vfmadd213pd %zmm10, %zmm10, %zmm11 /* RECONSTRUCTION: Final sign setting: Res = Poly^SignX */ vxorpd %zmm12, %zmm11, %zmm1 vpandnq %zmm13, %zmm13, %zmm14{%k1} vcmppd $3, %zmm14, %zmm14, %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 shlq $4, %r15 vmovsd 1160(%rsp,%r15), %xmm0 vzeroupper vmovsd 1160(%rsp,%r15), %xmm0 call sin@PLT 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 sin@PLT vmovsd %xmm0, 1216(%rsp,%r15) jmp .LBL_2_7 #endif END (_ZGVeN8v_sin_skx) .section .rodata, "a" .L_2il0floatpacket.14: .long 0xffffffff,0xffffffff .type .L_2il0floatpacket.14,@object