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Diffstat (limited to 'REORG.TODO/sysdeps/x86_64/fpu/multiarch/svml_s_logf16_core_avx512.S')
-rw-r--r--REORG.TODO/sysdeps/x86_64/fpu/multiarch/svml_s_logf16_core_avx512.S416
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diff --git a/REORG.TODO/sysdeps/x86_64/fpu/multiarch/svml_s_logf16_core_avx512.S b/REORG.TODO/sysdeps/x86_64/fpu/multiarch/svml_s_logf16_core_avx512.S
new file mode 100644
index 0000000000..7ff6fff848
--- /dev/null
+++ b/REORG.TODO/sysdeps/x86_64/fpu/multiarch/svml_s_logf16_core_avx512.S
@@ -0,0 +1,416 @@
+/* Function logf 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_s_logf_data.h"
+#include "svml_s_wrapper_impl.h"
+
+ .text
+ENTRY (_ZGVeN16v_logf_knl)
+#ifndef HAVE_AVX512DQ_ASM_SUPPORT
+WRAPPER_IMPL_AVX512 _ZGVdN8v_logf
+#else
+/*
+ ALGORITHM DESCRIPTION:
+
+ log(x) = exponent_x*log(2) + log(mantissa_x), if mantissa_x<4/3
+ log(x) = (exponent_x+1)*log(2) + log(0.5*mantissa_x), if mantissa_x>4/3
+
+ R = mantissa_x - 1, if mantissa_x<4/3
+ R = 0.5*mantissa_x - 1, if mantissa_x>4/3
+ |R|< 1/3
+
+ log(1+R) is approximated as a polynomial: degree 9 for 1-ulp,
+ degree 7 for 4-ulp, degree 3 for half-precision. */
+
+ 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_slog_data@GOTPCREL(%rip), %rax
+ movl $-1, %ecx
+
+/* reduction: compute r,n */
+ vpsubd _iBrkValue(%rax), %zmm0, %zmm2
+ vmovups _sPoly_7(%rax), %zmm7
+ vpandd _iOffExpoMask(%rax), %zmm2, %zmm3
+
+/* exponent_x (mantissa_x<4/3) or exponent_x+1 (mantissa_x>4/3) */
+ vpsrad $23, %zmm2, %zmm4
+
+/* check for working range,
+ set special argument mask (denormals/zero/Inf/NaN)
+ */
+ vpaddd _iHiDelta(%rax), %zmm0, %zmm1
+
+/* mantissa_x (mantissa_x<4/3), or 0.5*mantissa_x (mantissa_x>4/3) */
+ vpaddd _iBrkValue(%rax), %zmm3, %zmm6
+ vpcmpd $1, _iLoRange(%rax), %zmm1, %k1
+ vcvtdq2ps {rn-sae}, %zmm4, %zmm1
+
+/* reduced argument R */
+ vsubps _sOne(%rax), %zmm6, %zmm8
+ vpbroadcastd %ecx, %zmm5{%k1}{z}
+
+/* polynomial evaluation starts here */
+ vfmadd213ps _sPoly_6(%rax), %zmm8, %zmm7
+ vptestmd %zmm5, %zmm5, %k0
+ kmovw %k0, %ecx
+ vfmadd213ps _sPoly_5(%rax), %zmm8, %zmm7
+ vfmadd213ps _sPoly_4(%rax), %zmm8, %zmm7
+ vfmadd213ps _sPoly_3(%rax), %zmm8, %zmm7
+ vfmadd213ps _sPoly_2(%rax), %zmm8, %zmm7
+ vfmadd213ps _sPoly_1(%rax), %zmm8, %zmm7
+ vmulps %zmm8, %zmm7, %zmm9
+
+/* polynomial evaluation end */
+ vfmadd213ps %zmm8, %zmm8, %zmm9
+
+/*
+ final reconstruction:
+ add exponent_value*log2 to polynomial result
+ */
+ vfmadd132ps _sLn2(%rax), %zmm9, %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
+ vmovss 1156(%rsp,%r15,8), %xmm0
+ call JUMPTARGET(__logf_finite)
+ vmovss %xmm0, 1220(%rsp,%r15,8)
+ jmp .LBL_1_8
+
+.LBL_1_12:
+ movzbl %r12b, %r15d
+ vmovss 1152(%rsp,%r15,8), %xmm0
+ call JUMPTARGET(__logf_finite)
+ vmovss %xmm0, 1216(%rsp,%r15,8)
+ jmp .LBL_1_7
+#endif
+END (_ZGVeN16v_logf_knl)
+
+ENTRY (_ZGVeN16v_logf_skx)
+#ifndef HAVE_AVX512DQ_ASM_SUPPORT
+WRAPPER_IMPL_AVX512 _ZGVdN8v_logf
+#else
+/*
+ ALGORITHM DESCRIPTION:
+
+ log(x) = exponent_x*log(2) + log(mantissa_x), if mantissa_x<4/3
+ log(x) = (exponent_x+1)*log(2) + log(0.5*mantissa_x), if mantissa_x>4/3
+
+ R = mantissa_x - 1, if mantissa_x<4/3
+ R = 0.5*mantissa_x - 1, if mantissa_x>4/3
+ |R|< 1/3
+
+ log(1+R) is approximated as a polynomial: degree 9 for 1-ulp,
+ degree 7 for 4-ulp, degree 3 for half-precision. */
+
+ 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_slog_data@GOTPCREL(%rip), %rax
+ vmovups .L_2il0floatpacket.7(%rip), %zmm6
+ vmovups _iBrkValue(%rax), %zmm4
+ vmovups _sPoly_7(%rax), %zmm8
+
+/*
+ check for working range,
+ set special argument mask (denormals/zero/Inf/NaN)
+ */
+ vpaddd _iHiDelta(%rax), %zmm0, %zmm1
+
+/* reduction: compute r,n */
+ vpsubd %zmm4, %zmm0, %zmm2
+ vpcmpd $5, _iLoRange(%rax), %zmm1, %k1
+
+/* exponent_x (mantissa_x<4/3) or exponent_x+1 (mantissa_x>4/3) */
+ vpsrad $23, %zmm2, %zmm5
+ vpandd _iOffExpoMask(%rax), %zmm2, %zmm3
+
+/* mantissa_x (mantissa_x<4/3), or 0.5*mantissa_x (mantissa_x>4/3) */
+ vpaddd %zmm4, %zmm3, %zmm7
+
+/* reduced argument R */
+ vsubps _sOne(%rax), %zmm7, %zmm9
+
+/* polynomial evaluation starts here */
+ vfmadd213ps _sPoly_6(%rax), %zmm9, %zmm8
+ vfmadd213ps _sPoly_5(%rax), %zmm9, %zmm8
+ vfmadd213ps _sPoly_4(%rax), %zmm9, %zmm8
+ vfmadd213ps _sPoly_3(%rax), %zmm9, %zmm8
+ vfmadd213ps _sPoly_2(%rax), %zmm9, %zmm8
+ vfmadd213ps _sPoly_1(%rax), %zmm9, %zmm8
+ vmulps %zmm9, %zmm8, %zmm10
+
+/* polynomial evaluation end */
+ vfmadd213ps %zmm9, %zmm9, %zmm10
+ vpandnd %zmm1, %zmm1, %zmm6{%k1}
+ vptestmd %zmm6, %zmm6, %k0
+ vcvtdq2ps {rn-sae}, %zmm5, %zmm1
+ kmovw %k0, %ecx
+
+/*
+ final reconstruction:
+ add exponent_value*log2 to polynomial result
+ */
+ vfmadd132ps _sLn2(%rax), %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
+ vmovss 1156(%rsp,%r15,8), %xmm0
+ vzeroupper
+ vmovss 1156(%rsp,%r15,8), %xmm0
+
+ call JUMPTARGET(__logf_finite)
+
+ vmovss %xmm0, 1220(%rsp,%r15,8)
+ jmp .LBL_2_8
+
+.LBL_2_12:
+ movzbl %r12b, %r15d
+ vmovss 1152(%rsp,%r15,8), %xmm0
+ vzeroupper
+ vmovss 1152(%rsp,%r15,8), %xmm0
+
+ call JUMPTARGET(__logf_finite)
+
+ vmovss %xmm0, 1216(%rsp,%r15,8)
+ jmp .LBL_2_7
+
+#endif
+END (_ZGVeN16v_logf_skx)
+
+ .section .rodata, "a"
+.L_2il0floatpacket.7:
+ .long 0xffffffff,0xffffffff,0xffffffff,0xffffffff,0xffffffff,0xffffffff,0xffffffff,0xffffffff,0xffffffff,0xffffffff,0xffffffff,0xffffffff,0xffffffff,0xffffffff,0xffffffff,0xffffffff
+ .type .L_2il0floatpacket.7,@object
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