/* Function sincos 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" /* 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) arg + Pi/2 = (N'*Pi + R') cos(arg) = sin(arg+Pi/2) = sin(N'*Pi + R') = (-1)^N' * sin(R') sin(R), sin(R') are approximated by corresponding polynomial. */ .text ENTRY (_ZGVeN8vvv_sincos_knl) #ifndef HAVE_AVX512_ASM_SUPPORT WRAPPER_IMPL_AVX512_fFF _ZGVdN4vvv_sincos #else pushq %rbp cfi_adjust_cfa_offset (8) cfi_rel_offset (%rbp, 0) movq %rsp, %rbp cfi_def_cfa_register (%rbp) andq $-64, %rsp subq $1344, %rsp movq __svml_d_trig_data@GOTPCREL(%rip), %rax vmovaps %zmm0, %zmm4 movq $-1, %rdx vmovups __dSignMask(%rax), %zmm12 vmovups __dInvPI(%rax), %zmm5 /* ARGUMENT RANGE REDUCTION: Absolute argument: X' = |X| */ vpandnq %zmm4, %zmm12, %zmm3 vmovups __dPI1_FMA(%rax), %zmm7 vmovups __dPI3_FMA(%rax), %zmm9 /* SinR = X' - SinN*Pi1 */ vmovaps %zmm3, %zmm8 /* CosR = SinX - CosN*Pi1 */ vmovaps %zmm3, %zmm10 /* SinY = X'*InvPi + RS : right shifter add */ vfmadd213pd __dRShifter(%rax), %zmm3, %zmm5 vmovups __dC6(%rax), %zmm13 /* SinN = Y - RS : right shifter sub */ vsubpd __dRShifter(%rax), %zmm5, %zmm1 vmovaps %zmm13, %zmm14 /* SinSignRes = Y<<63 : shift LSB to MSB place for result sign */ vpsllq $63, %zmm5, %zmm2 vcmppd $22, __dRangeVal(%rax), %zmm3, %k1 /* Update CosRSign and CosSignRes signs */ vmovaps %zmm12, %zmm5 vfnmadd231pd %zmm1, %zmm7, %zmm8 /* SinR = SinR - SinN*Pi1 */ vfnmadd231pd __dPI2_FMA(%rax), %zmm1, %zmm8 /* Sine result sign: SinRSign = SignMask & SinR */ vpandq %zmm8, %zmm12, %zmm11 /* Set SinRSign to 0.5 */ vporq __dOneHalf(%rax), %zmm11, %zmm6 vpternlogq $150, %zmm2, %zmm11, %zmm5 /* Update sign SinSignRes */ vpternlogq $120, %zmm4, %zmm12, %zmm2 /* Polynomial approximation */ vmovups __dC7(%rax), %zmm11 /* CosN = SinN +(-)0.5 */ vaddpd %zmm6, %zmm1, %zmm0 /* SinR = SinR - SinN*Pi3 */ vfnmadd213pd %zmm8, %zmm9, %zmm1 vfnmadd231pd %zmm0, %zmm7, %zmm10 /* SinR2 = SinR^2 */ vmulpd %zmm1, %zmm1, %zmm15 /* Grab SignX CosR = CosR - CosN*Pi2 */ vfnmadd231pd __dPI2_FMA(%rax), %zmm0, %zmm10 vfmadd231pd __dC7(%rax), %zmm15, %zmm14 /* CosR = CosR - CosN*Pi3 */ vfnmadd213pd %zmm10, %zmm9, %zmm0 vfmadd213pd __dC5(%rax), %zmm15, %zmm14 /* CosR2 = CosR^2 */ vmulpd %zmm0, %zmm0, %zmm12 vfmadd213pd __dC4(%rax), %zmm15, %zmm14 vfmadd213pd %zmm13, %zmm12, %zmm11 /* SinPoly = C3 + SinR2*(C4 + SinR2*(C5 + SinR2*(C6 + SinR2*C7))) */ vfmadd213pd __dC3(%rax), %zmm15, %zmm14 vfmadd213pd __dC5(%rax), %zmm12, %zmm11 /* SinPoly = C2 + SinR2*SinPoly */ vfmadd213pd __dC2(%rax), %zmm15, %zmm14 vfmadd213pd __dC4(%rax), %zmm12, %zmm11 /* SinPoly = C1 + SinR2*SinPoly */ vfmadd213pd __dC1(%rax), %zmm15, %zmm14 /* CosPoly = C3 + CosR2*(C4 + CosR2*(C5 + CosR2*(C6 + CosR2*C7))) */ vfmadd213pd __dC3(%rax), %zmm12, %zmm11 /* SinPoly = SinR2*SinPoly */ vmulpd %zmm15, %zmm14, %zmm13 /* CosPoly = C2 + CosR2*CosPoly */ vfmadd213pd __dC2(%rax), %zmm12, %zmm11 /* SinPoly = SinR*SinPoly */ vfmadd213pd %zmm1, %zmm1, %zmm13 vpbroadcastq %rdx, %zmm1{%k1}{z} /* CosPoly = C1 + CosR2*CosPoly */ vfmadd213pd __dC1(%rax), %zmm12, %zmm11 vptestmq %zmm1, %zmm1, %k0 kmovw %k0, %ecx /* CosPoly = CosR2*CosPoly */ vmulpd %zmm12, %zmm11, %zmm14 movzbl %cl, %ecx /* CosPoly = CosR*CosPoly */ vfmadd213pd %zmm0, %zmm0, %zmm14 /* Final reconstruction. Update Sin result's sign */ vpxorq %zmm2, %zmm13, %zmm0 /* Update Cos result's sign */ vpxorq %zmm5, %zmm14, %zmm2 testl %ecx, %ecx jne .LBL_1_3 .LBL_1_2: cfi_remember_state vmovups %zmm0, (%rdi) vmovups %zmm2, (%rsi) 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 %zmm4, 1152(%rsp) vmovups %zmm0, 1216(%rsp) vmovups %zmm2, 1280(%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, 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 %eax, %r13d movq %r14, 1080(%rsp) cfi_offset_rel_rsp (14, 1080) movl %ecx, %r14d movq %r15, 1072(%rsp) cfi_offset_rel_rsp (15, 1072) movq %rbx, 1064(%rsp) movq %rdi, %rbx cfi_remember_state .LBL_1_6: btl %r13d, %r14d jc .LBL_1_13 .LBL_1_7: lea 1(%r13), %esi btl %esi, %r14d jc .LBL_1_10 .LBL_1_8: addb $1, %r12b addl $2, %r13d cmpb $16, %r12b jb .LBL_1_6 movq %rbx, %rdi kmovw 1048(%rsp), %k4 movq 1056(%rsp), %rsi kmovw 1040(%rsp), %k5 movq 1096(%rsp), %r12 cfi_restore (%r12) kmovw 1032(%rsp), %k6 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) movq 1064(%rsp), %rbx vmovups 1216(%rsp), %zmm0 vmovups 1280(%rsp), %zmm2 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) vmovsd 1160(%rsp,%r15), %xmm0 call cos@PLT vmovsd %xmm0, 1288(%rsp,%r15) jmp .LBL_1_8 .LBL_1_13: movzbl %r12b, %r15d shlq $4, %r15 vmovsd 1152(%rsp,%r15), %xmm0 call sin@PLT vmovsd %xmm0, 1216(%rsp,%r15) vmovsd 1152(%rsp,%r15), %xmm0 call cos@PLT vmovsd %xmm0, 1280(%rsp,%r15) jmp .LBL_1_7 #endif END (_ZGVeN8vvv_sincos_knl) ENTRY (_ZGVeN8vvv_sincos_skx) #ifndef HAVE_AVX512_ASM_SUPPORT WRAPPER_IMPL_AVX512_fFF _ZGVdN4vvv_sincos #else pushq %rbp cfi_adjust_cfa_offset (8) cfi_rel_offset (%rbp, 0) movq %rsp, %rbp cfi_def_cfa_register (%rbp) andq $-64, %rsp subq $1344, %rsp movq __svml_d_trig_data@GOTPCREL(%rip), %rax vmovaps %zmm0, %zmm8 vmovups __dSignMask(%rax), %zmm4 vmovups __dInvPI(%rax), %zmm9 vmovups __dRShifter(%rax), %zmm10 vmovups __dPI1_FMA(%rax), %zmm13 vmovups __dPI2_FMA(%rax), %zmm14 vmovups __dOneHalf(%rax), %zmm11 vmovups __dPI3_FMA(%rax), %zmm2 /* ARGUMENT RANGE REDUCTION: Absolute argument: X' = |X| */ vandnpd %zmm8, %zmm4, %zmm7 /* SinY = X'*InvPi + RS : right shifter add */ vfmadd213pd %zmm10, %zmm7, %zmm9 vcmppd $18, __dRangeVal(%rax), %zmm7, %k1 /* SinSignRes = Y<<63 : shift LSB to MSB place for result sign */ vpsllq $63, %zmm9, %zmm6 /* SinN = Y - RS : right shifter sub */ vsubpd %zmm10, %zmm9, %zmm5 vmovups __dC5(%rax), %zmm9 vmovups __dC4(%rax), %zmm10 /* SinR = X' - SinN*Pi1 */ vmovaps %zmm7, %zmm15 vfnmadd231pd %zmm5, %zmm13, %zmm15 /* SinR = SinR - SinN*Pi1 */ vfnmadd231pd %zmm5, %zmm14, %zmm15 /* Sine result sign: SinRSign = SignMask & SinR */ vandpd %zmm15, %zmm4, %zmm1 /* Set SinRSign to 0.5 */ vorpd %zmm1, %zmm11, %zmm12 vmovups __dC3(%rax), %zmm11 /* CosN = SinN +(-)0.5 */ vaddpd %zmm12, %zmm5, %zmm3 /* SinR = SinR - SinN*Pi3 */ vfnmadd213pd %zmm15, %zmm2, %zmm5 vmovups __dC2(%rax), %zmm12 /* SinR2 = SinR^2 */ vmulpd %zmm5, %zmm5, %zmm15 /* CosR = SinX - CosN*Pi1 */ vmovaps %zmm7, %zmm0 vfnmadd231pd %zmm3, %zmm13, %zmm0 vmovups __dC1(%rax), %zmm13 /* Grab SignX CosR = CosR - CosN*Pi2 */ vfnmadd231pd %zmm3, %zmm14, %zmm0 /* CosR = CosR - CosN*Pi3 */ vfnmadd213pd %zmm0, %zmm2, %zmm3 /* Polynomial approximation */ vmovups __dC7(%rax), %zmm0 /* Update CosRSign and CosSignRes signs */ vmovaps %zmm4, %zmm2 vpternlogq $150, %zmm6, %zmm1, %zmm2 /* Update sign SinSignRes */ vpternlogq $120, %zmm8, %zmm4, %zmm6 /* CosR2 = CosR^2 */ vmulpd %zmm3, %zmm3, %zmm1 vmovups __dC6(%rax), %zmm4 vmovaps %zmm0, %zmm14 vfmadd213pd %zmm4, %zmm1, %zmm0 vfmadd213pd %zmm4, %zmm15, %zmm14 vfmadd213pd %zmm9, %zmm1, %zmm0 vfmadd213pd %zmm9, %zmm15, %zmm14 vfmadd213pd %zmm10, %zmm1, %zmm0 vfmadd213pd %zmm10, %zmm15, %zmm14 /* CosPoly = C3 + CosR2*(C4 + CosR2*(C5 + CosR2*(C6 + CosR2*C7))) */ vfmadd213pd %zmm11, %zmm1, %zmm0 /* SinPoly = C3 + SinR2*(C4 + SinR2*(C5 + SinR2*(C6 + SinR2*C7))) */ vfmadd213pd %zmm11, %zmm15, %zmm14 /* CosPoly = C2 + CosR2*CosPoly */ vfmadd213pd %zmm12, %zmm1, %zmm0 /* SinPoly = C2 + SinR2*SinPoly */ vfmadd213pd %zmm12, %zmm15, %zmm14 /* CosPoly = C1 + CosR2*CosPoly */ vfmadd213pd %zmm13, %zmm1, %zmm0 /* SinPoly = C1 + SinR2*SinPoly */ vfmadd213pd %zmm13, %zmm15, %zmm14 /* CosPoly = CosR2*CosPoly */ vmulpd %zmm1, %zmm0, %zmm1 /* SinPoly = SinR2*SinPoly */ vmulpd %zmm15, %zmm14, %zmm4 /* CosPoly = CosR*CosPoly */ vfmadd213pd %zmm3, %zmm3, %zmm1 /* SinPoly = SinR*SinPoly */ vfmadd213pd %zmm5, %zmm5, %zmm4 vpbroadcastq .L_2il0floatpacket.15(%rip), %zmm3 /* Update Cos result's sign */ vxorpd %zmm2, %zmm1, %zmm1 /* Final reconstruction. Update Sin result's sign */ vxorpd %zmm6, %zmm4, %zmm0 vpandnq %zmm7, %zmm7, %zmm3{%k1} vcmppd $3, %zmm3, %zmm3, %k0 kmovw %k0, %ecx testl %ecx, %ecx jne .LBL_2_3 .LBL_2_2: cfi_remember_state vmovups %zmm0, (%rdi) vmovups %zmm1, (%rsi) 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 %zmm8, 1152(%rsp) vmovups %zmm0, 1216(%rsp) vmovups %zmm1, 1280(%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, 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 %eax, %r13d movq %r14, 1080(%rsp) cfi_offset_rel_rsp (14, 1080) movl %ecx, %r14d movq %r15, 1072(%rsp) cfi_offset_rel_rsp (15, 1072) movq %rbx, 1064(%rsp) movq %rdi, %rbx cfi_remember_state .LBL_2_6: btl %r13d, %r14d jc .LBL_2_13 .LBL_2_7: lea 1(%r13), %esi btl %esi, %r14d jc .LBL_2_10 .LBL_2_8: incb %r12b addl $2, %r13d cmpb $16, %r12b jb .LBL_2_6 kmovw 1048(%rsp), %k4 movq %rbx, %rdi 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 vmovups 1280(%rsp), %zmm1 movq 1056(%rsp), %rsi 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) movq 1064(%rsp), %rbx 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) vmovsd 1160(%rsp,%r15), %xmm0 call cos@PLT vmovsd %xmm0, 1288(%rsp,%r15) jmp .LBL_2_8 .LBL_2_13: 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) vmovsd 1152(%rsp,%r15), %xmm0 call cos@PLT vmovsd %xmm0, 1280(%rsp,%r15) jmp .LBL_2_7 #endif END (_ZGVeN8vvv_sincos_skx) .section .rodata, "a" .L_2il0floatpacket.15: .long 0xffffffff,0xffffffff .type .L_2il0floatpacket.15,@object