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-rw-r--r--REORG.TODO/sysdeps/x86_64/fpu/multiarch/svml_d_exp8_core_avx512.S456
1 files changed, 456 insertions, 0 deletions
diff --git a/REORG.TODO/sysdeps/x86_64/fpu/multiarch/svml_d_exp8_core_avx512.S b/REORG.TODO/sysdeps/x86_64/fpu/multiarch/svml_d_exp8_core_avx512.S
new file mode 100644
index 0000000000..97ba72c2a0
--- /dev/null
+++ b/REORG.TODO/sysdeps/x86_64/fpu/multiarch/svml_d_exp8_core_avx512.S
@@ -0,0 +1,456 @@
+/* Function exp 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_exp_data.h"
+#include "svml_d_wrapper_impl.h"
+
+ .text
+ENTRY (_ZGVeN8v_exp_knl)
+#ifndef HAVE_AVX512DQ_ASM_SUPPORT
+WRAPPER_IMPL_AVX512 _ZGVdN4v_exp
+#else
+/*
+ ALGORITHM DESCRIPTION:
+
+ Argument representation:
+ N = rint(X*2^k/ln2) = 2^k*M+j
+ X = N*ln2/2^k + r = M*ln2 + ln2*(j/2^k) + r
+ then -ln2/2^(k+1) < r < ln2/2^(k+1)
+ Alternatively:
+ N = trunc(X*2^k/ln2)
+ then 0 < r < ln2/2^k
+
+ Result calculation:
+ exp(X) = exp(M*ln2 + ln2*(j/2^k) + r)
+ = 2^M * 2^(j/2^k) * exp(r)
+ 2^M is calculated by bit manipulation
+ 2^(j/2^k) is stored in table
+ exp(r) is approximated by polynomial
+
+ The table lookup is skipped if k = 0. */
+
+ 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_dexp_data@GOTPCREL(%rip), %rax
+
+/* dR = X - dN*dbLn2hi, dbLn2hi is 52-8-k hi bits of ln2/2^k */
+ vmovaps %zmm0, %zmm8
+
+/* iAbsX = (int)(lX>>32), lX = *(longlong*)&X */
+ vpsrlq $32, %zmm0, %zmm1
+
+/* iAbsX = iAbsX&iAbsMask */
+ movl $255, %edx
+ vpmovqd %zmm1, %ymm2
+ kmovw %edx, %k2
+
+/* iRangeMask = (iAbsX>iDomainRange) */
+ movl $-1, %ecx
+
+/* table lookup for dT[j] = 2^(j/2^k) */
+ vpxord %zmm11, %zmm11, %zmm11
+ vmovups __dbInvLn2(%rax), %zmm5
+ vmovups __dbLn2hi(%rax), %zmm7
+ kxnorw %k3, %k3, %k3
+
+/* dM = X*dbInvLn2+dbShifter, dbInvLn2 = 2^k/Ln2 */
+ vfmadd213pd __dbShifter(%rax), %zmm0, %zmm5
+ vmovups __dPC2(%rax), %zmm12
+
+/* dN = dM-dbShifter, dN = rint(X*2^k/Ln2) */
+ vsubpd __dbShifter(%rax), %zmm5, %zmm9
+ vmovups __lIndexMask(%rax), %zmm4
+ vfnmadd231pd %zmm9, %zmm7, %zmm8
+ vpandd __iAbsMask(%rax), %zmm2, %zmm2{%k2}
+
+/* lIndex = (*(longlong*)&dM)&lIndexMask, lIndex is the lower K bits of lM */
+ vpandq %zmm4, %zmm5, %zmm10
+ vgatherqpd (%rax,%zmm10,8), %zmm11{%k3}
+ vpcmpgtd __iDomainRange(%rax), %zmm2, %k1{%k2}
+
+/* lM = (*(longlong*)&dM)&(~lIndexMask) */
+ vpandnq %zmm5, %zmm4, %zmm6
+ vpbroadcastd %ecx, %zmm3{%k1}{z}
+
+/* lM = lM<<(52-K), 2^M */
+ vpsllq $42, %zmm6, %zmm14
+
+/* dR = dR - dN*dbLn2lo, dbLn2lo is 40..94 bits of lo part of ln2/2^k */
+ vfnmadd132pd __dbLn2lo(%rax), %zmm8, %zmm9
+
+/* Mask = iRangeMask?1:0, set mask for overflow/underflow */
+ vptestmd %zmm3, %zmm3, %k0{%k2}
+
+/* exp(r) = b0+r*(b0+r*(b1+r*b2)) */
+ vfmadd213pd __dPC1(%rax), %zmm9, %zmm12
+ kmovw %k0, %ecx
+ movzbl %cl, %ecx
+ vfmadd213pd __dPC0(%rax), %zmm9, %zmm12
+ vfmadd213pd __dPC0(%rax), %zmm9, %zmm12
+
+/* 2^(j/2^k) * exp(r) */
+ vmulpd %zmm12, %zmm11, %zmm13
+
+/* multiply by 2^M through integer add */
+ vpaddq %zmm14, %zmm13, %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(__exp_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(__exp_finite)
+ vmovsd %xmm0, 1216(%rsp,%r15)
+ jmp .LBL_1_7
+#endif
+END (_ZGVeN8v_exp_knl)
+
+ENTRY (_ZGVeN8v_exp_skx)
+#ifndef HAVE_AVX512DQ_ASM_SUPPORT
+WRAPPER_IMPL_AVX512 _ZGVdN4v_exp
+#else
+/*
+ ALGORITHM DESCRIPTION:
+
+ Argument representation:
+ N = rint(X*2^k/ln2) = 2^k*M+j
+ X = N*ln2/2^k + r = M*ln2 + ln2*(j/2^k) + r
+ then -ln2/2^(k+1) < r < ln2/2^(k+1)
+ Alternatively:
+ N = trunc(X*2^k/ln2)
+ then 0 < r < ln2/2^k
+
+ Result calculation:
+ exp(X) = exp(M*ln2 + ln2*(j/2^k) + r)
+ = 2^M * 2^(j/2^k) * exp(r)
+ 2^M is calculated by bit manipulation
+ 2^(j/2^k) is stored in table
+ exp(r) is approximated by polynomial
+
+ The table lookup is skipped if k = 0. */
+
+ 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_dexp_data@GOTPCREL(%rip), %rax
+
+/* table lookup for dT[j] = 2^(j/2^k) */
+ kxnorw %k1, %k1, %k1
+
+/* iAbsX = (int)(lX>>32), lX = *(longlong*)&X */
+ vpsrlq $32, %zmm0, %zmm1
+ vmovups __dbInvLn2(%rax), %zmm7
+ vmovups __dbShifter(%rax), %zmm5
+ vmovups __lIndexMask(%rax), %zmm6
+ vmovups __dbLn2hi(%rax), %zmm9
+ vmovups __dPC0(%rax), %zmm12
+
+/* dM = X*dbInvLn2+dbShifter, dbInvLn2 = 2^k/Ln2 */
+ vfmadd213pd %zmm5, %zmm0, %zmm7
+ vpmovqd %zmm1, %ymm2
+
+/* dN = dM-dbShifter, dN = rint(X*2^k/Ln2) */
+ vsubpd %zmm5, %zmm7, %zmm11
+
+/* iAbsX = iAbsX&iAbsMask */
+ vpand __iAbsMask(%rax), %ymm2, %ymm3
+
+/* dR = X - dN*dbLn2hi, dbLn2hi is 52-8-k hi bits of ln2/2^k */
+ vmovaps %zmm0, %zmm10
+ vfnmadd231pd %zmm11, %zmm9, %zmm10
+ vmovups __dPC2(%rax), %zmm9
+
+/* dR = dR - dN*dbLn2lo, dbLn2lo is 40..94 bits of lo part of ln2/2^k */
+ vfnmadd132pd __dbLn2lo(%rax), %zmm10, %zmm11
+
+/* exp(r) = b0+r*(b0+r*(b1+r*b2)) */
+ vfmadd213pd __dPC1(%rax), %zmm11, %zmm9
+ vfmadd213pd %zmm12, %zmm11, %zmm9
+ vfmadd213pd %zmm12, %zmm11, %zmm9
+
+/* iRangeMask = (iAbsX>iDomainRange) */
+ vpcmpgtd __iDomainRange(%rax), %ymm3, %ymm4
+
+/* Mask = iRangeMask?1:0, set mask for overflow/underflow */
+ vmovmskps %ymm4, %ecx
+
+/* lIndex = (*(longlong*)&dM)&lIndexMask, lIndex is the lower K bits of lM */
+ vpandq %zmm6, %zmm7, %zmm13
+ vpmovqd %zmm13, %ymm14
+ vpxord %zmm15, %zmm15, %zmm15
+ vgatherdpd (%rax,%ymm14,8), %zmm15{%k1}
+
+/* 2^(j/2^k) * exp(r) */
+ vmulpd %zmm9, %zmm15, %zmm10
+
+/* lM = (*(longlong*)&dM)&(~lIndexMask) */
+ vpandnq %zmm7, %zmm6, %zmm8
+
+/* lM = lM<<(52-K), 2^M */
+ vpsllq $42, %zmm8, %zmm1
+
+/* multiply by 2^M through integer add */
+ vpaddq %zmm1, %zmm10, %zmm1
+ 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(__exp_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(__exp_finite)
+ vmovsd %xmm0, 1216(%rsp,%r15)
+ jmp .LBL_2_7
+
+#endif
+END (_ZGVeN8v_exp_skx)
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-13 07:29:45 +0000