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4e3257320c
glibc/glibc-upstream-2.34-173.patch
Carlos O'Donell 4e3257320c Sync with upstream branch release/2.34/master 
Upstream commit: 55640ed3fde48360a8e8083be4843bd2dc7cecfe

- i386: Regenerate ulps
- linux: Fix missing internal 64 bit time_t stat usage
- x86: Optimize L(less_vec) case in memcmp-evex-movbe.S
- x86: Don't set Prefer_No_AVX512 for processors with AVX512 and AVX-VNNI
- x86-64: Use notl in EVEX strcmp [BZ #28646]
- x86: Shrink memcmp-sse4.S code size
- x86: Double size of ERMS rep_movsb_threshold in dl-cacheinfo.h
- x86: Optimize memmove-vec-unaligned-erms.S
- x86-64: Replace movzx with movzbl
- x86-64: Remove Prefer_AVX2_STRCMP
- x86-64: Improve EVEX strcmp with masked load
- x86: Replace sse2 instructions with avx in memcmp-evex-movbe.S
- x86: Optimize memset-vec-unaligned-erms.S
- x86: Optimize memcmp-evex-movbe.S for frontend behavior and size
- x86: Modify ENTRY in sysdep.h so that p2align can be specified
- x86-64: Optimize load of all bits set into ZMM register [BZ #28252]
- scripts/glibcelf.py: Mark as UNSUPPORTED on Python 3.5 and earlier
- dlfcn: Do not use rtld_active () to determine ld.so state (bug 29078)
- INSTALL: Rephrase -with-default-link documentation
- misc: Fix rare fortify crash on wchar funcs. [BZ 29030]
- Default to --with-default-link=no (bug 25812)
- scripts: Add glibcelf.py module
2022-04-27 22:27:50 -04:00

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commit 16245986fb9bfe396113fc7dfd1929f69a9e748e
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Fri Aug 20 06:42:24 2021 -0700
x86-64: Optimize load of all bits set into ZMM register [BZ #28252]
Optimize loads of all bits set into ZMM register in AVX512 SVML codes
by replacing
vpbroadcastq .L_2il0floatpacket.16(%rip), %zmmX
and
vmovups .L_2il0floatpacket.13(%rip), %zmmX
with
vpternlogd $0xff, %zmmX, %zmmX, %zmmX
This fixes BZ #28252.
(cherry picked from commit 78c9ec9000f873abe7a15a91b87080a2e4308260)
diff --git a/sysdeps/x86_64/fpu/multiarch/svml_d_cos8_core_avx512.S b/sysdeps/x86_64/fpu/multiarch/svml_d_cos8_core_avx512.S
index e68fcdbb16a79f36..58e588a3d42a8bc9 100644
--- a/sysdeps/x86_64/fpu/multiarch/svml_d_cos8_core_avx512.S
+++ b/sysdeps/x86_64/fpu/multiarch/svml_d_cos8_core_avx512.S
@@ -265,7 +265,7 @@ WRAPPER_IMPL_AVX512 _ZGVdN4v_cos
vmovaps %zmm0, %zmm8
/* Check for large arguments path */
- vpbroadcastq .L_2il0floatpacket.16(%rip), %zmm2
+ vpternlogd $0xff, %zmm2, %zmm2, %zmm2
/*
ARGUMENT RANGE REDUCTION:
@@ -456,8 +456,3 @@ WRAPPER_IMPL_AVX512 _ZGVdN4v_cos
jmp .LBL_2_7
#endif
END (_ZGVeN8v_cos_skx)
-
- .section .rodata, "a"
-.L_2il0floatpacket.16:
- .long 0xffffffff,0xffffffff
- .type .L_2il0floatpacket.16,@object
diff --git a/sysdeps/x86_64/fpu/multiarch/svml_d_log8_core_avx512.S b/sysdeps/x86_64/fpu/multiarch/svml_d_log8_core_avx512.S
index dfa2acafc486b56b..f5f117d474f66176 100644
--- a/sysdeps/x86_64/fpu/multiarch/svml_d_log8_core_avx512.S
+++ b/sysdeps/x86_64/fpu/multiarch/svml_d_log8_core_avx512.S
@@ -274,7 +274,7 @@ WRAPPER_IMPL_AVX512 _ZGVdN4v_log
/* preserve mantissa, set input exponent to 2^(-10) */
vpternlogq $248, _ExpMask(%rax), %zmm3, %zmm2
- vpbroadcastq .L_2il0floatpacket.12(%rip), %zmm1
+ vpternlogd $0xff, %zmm1, %zmm1, %zmm1
vpsrlq $32, %zmm4, %zmm6
/* reciprocal approximation good to at least 11 bits */
@@ -461,8 +461,3 @@ WRAPPER_IMPL_AVX512 _ZGVdN4v_log
jmp .LBL_2_7
#endif
END (_ZGVeN8v_log_skx)
-
- .section .rodata, "a"
-.L_2il0floatpacket.12:
- .long 0xffffffff,0xffffffff
- .type .L_2il0floatpacket.12,@object
diff --git a/sysdeps/x86_64/fpu/multiarch/svml_d_sin8_core_avx512.S b/sysdeps/x86_64/fpu/multiarch/svml_d_sin8_core_avx512.S
index be8ab7c6e0e33819..48d251db16ccab9d 100644
--- a/sysdeps/x86_64/fpu/multiarch/svml_d_sin8_core_avx512.S
+++ b/sysdeps/x86_64/fpu/multiarch/svml_d_sin8_core_avx512.S
@@ -261,7 +261,7 @@ WRAPPER_IMPL_AVX512 _ZGVdN4v_sin
andq $-64, %rsp
subq $1280, %rsp
movq __svml_d_trig_data@GOTPCREL(%rip), %rax
- vpbroadcastq .L_2il0floatpacket.14(%rip), %zmm14
+ vpternlogd $0xff, %zmm1, %zmm1, %zmm14
vmovups __dAbsMask(%rax), %zmm7
vmovups __dInvPI(%rax), %zmm2
vmovups __dRShifter(%rax), %zmm1
@@ -458,8 +458,3 @@ WRAPPER_IMPL_AVX512 _ZGVdN4v_sin
jmp .LBL_2_7
#endif
END (_ZGVeN8v_sin_skx)
-
- .section .rodata, "a"
-.L_2il0floatpacket.14:
- .long 0xffffffff,0xffffffff
- .type .L_2il0floatpacket.14,@object
diff --git a/sysdeps/x86_64/fpu/multiarch/svml_d_sincos8_core_avx512.S b/sysdeps/x86_64/fpu/multiarch/svml_d_sincos8_core_avx512.S
index 611887082a545854..a4944a4feef6aa98 100644
--- a/sysdeps/x86_64/fpu/multiarch/svml_d_sincos8_core_avx512.S
+++ b/sysdeps/x86_64/fpu/multiarch/svml_d_sincos8_core_avx512.S
@@ -430,7 +430,7 @@ WRAPPER_IMPL_AVX512_fFF _ZGVdN4vl8l8_sincos
/* SinPoly = SinR*SinPoly */
vfmadd213pd %zmm5, %zmm5, %zmm4
- vpbroadcastq .L_2il0floatpacket.15(%rip), %zmm3
+ vpternlogd $0xff, %zmm3, %zmm3, %zmm3
/* Update Cos result's sign */
vxorpd %zmm2, %zmm1, %zmm1
@@ -741,8 +741,3 @@ END (_ZGVeN8vvv_sincos_knl)
ENTRY (_ZGVeN8vvv_sincos_skx)
WRAPPER_AVX512_vvv_vl8l8 _ZGVeN8vl8l8_sincos_skx
END (_ZGVeN8vvv_sincos_skx)
-
- .section .rodata, "a"
-.L_2il0floatpacket.15:
- .long 0xffffffff,0xffffffff
- .type .L_2il0floatpacket.15,@object
diff --git a/sysdeps/x86_64/fpu/multiarch/svml_s_cosf16_core_avx512.S b/sysdeps/x86_64/fpu/multiarch/svml_s_cosf16_core_avx512.S
index f671d60d5dab5a0e..fe8474fed943e8ad 100644
--- a/sysdeps/x86_64/fpu/multiarch/svml_s_cosf16_core_avx512.S
+++ b/sysdeps/x86_64/fpu/multiarch/svml_s_cosf16_core_avx512.S
@@ -278,7 +278,7 @@ WRAPPER_IMPL_AVX512 _ZGVdN8v_cosf
X = X - Y*PI1 - Y*PI2 - Y*PI3
*/
vmovaps %zmm0, %zmm6
- vmovups .L_2il0floatpacket.13(%rip), %zmm12
+ vpternlogd $0xff, %zmm12, %zmm12, %zmm12
vmovups __sRShifter(%rax), %zmm3
vmovups __sPI1_FMA(%rax), %zmm5
vmovups __sA9_FMA(%rax), %zmm9
@@ -453,8 +453,3 @@ WRAPPER_IMPL_AVX512 _ZGVdN8v_cosf
jmp .LBL_2_7
#endif
END (_ZGVeN16v_cosf_skx)
-
- .section .rodata, "a"
-.L_2il0floatpacket.13:
- .long 0xffffffff,0xffffffff,0xffffffff,0xffffffff,0xffffffff,0xffffffff,0xffffffff,0xffffffff,0xffffffff,0xffffffff,0xffffffff,0xffffffff,0xffffffff,0xffffffff,0xffffffff,0xffffffff
- .type .L_2il0floatpacket.13,@object
diff --git a/sysdeps/x86_64/fpu/multiarch/svml_s_expf16_core_avx512.S b/sysdeps/x86_64/fpu/multiarch/svml_s_expf16_core_avx512.S
index 637bfe3c06ab9ad4..229b7828cde04db2 100644
--- a/sysdeps/x86_64/fpu/multiarch/svml_s_expf16_core_avx512.S
+++ b/sysdeps/x86_64/fpu/multiarch/svml_s_expf16_core_avx512.S
@@ -264,7 +264,7 @@ WRAPPER_IMPL_AVX512 _ZGVdN8v_expf
vmovaps %zmm0, %zmm7
/* compare against threshold */
- vmovups .L_2il0floatpacket.13(%rip), %zmm3
+ vpternlogd $0xff, %zmm3, %zmm3, %zmm3
vmovups __sInvLn2(%rax), %zmm4
vmovups __sShifter(%rax), %zmm1
vmovups __sLn2hi(%rax), %zmm6
@@ -440,8 +440,3 @@ WRAPPER_IMPL_AVX512 _ZGVdN8v_expf
#endif
END (_ZGVeN16v_expf_skx)
-
- .section .rodata, "a"
-.L_2il0floatpacket.13:
- .long 0xffffffff,0xffffffff,0xffffffff,0xffffffff,0xffffffff,0xffffffff,0xffffffff,0xffffffff,0xffffffff,0xffffffff,0xffffffff,0xffffffff,0xffffffff,0xffffffff,0xffffffff,0xffffffff
- .type .L_2il0floatpacket.13,@object
diff --git a/sysdeps/x86_64/fpu/multiarch/svml_s_logf16_core_avx512.S b/sysdeps/x86_64/fpu/multiarch/svml_s_logf16_core_avx512.S
index 9d790fbf0ad6c8ec..fa2aae986f543582 100644
--- a/sysdeps/x86_64/fpu/multiarch/svml_s_logf16_core_avx512.S
+++ b/sysdeps/x86_64/fpu/multiarch/svml_s_logf16_core_avx512.S
@@ -235,7 +235,7 @@ WRAPPER_IMPL_AVX512 _ZGVdN8v_logf
andq $-64, %rsp
subq $1280, %rsp
movq __svml_slog_data@GOTPCREL(%rip), %rax
- vmovups .L_2il0floatpacket.7(%rip), %zmm6
+ vpternlogd $0xff, %zmm6, %zmm6, %zmm6
vmovups _iBrkValue(%rax), %zmm4
vmovups _sPoly_7(%rax), %zmm8
@@ -409,8 +409,3 @@ WRAPPER_IMPL_AVX512 _ZGVdN8v_logf
#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
diff --git a/sysdeps/x86_64/fpu/multiarch/svml_s_powf16_core_avx512.S b/sysdeps/x86_64/fpu/multiarch/svml_s_powf16_core_avx512.S
index c5c43c46ff7af5a3..6aea2a4f11d1f85f 100644
--- a/sysdeps/x86_64/fpu/multiarch/svml_s_powf16_core_avx512.S
+++ b/sysdeps/x86_64/fpu/multiarch/svml_s_powf16_core_avx512.S
@@ -385,7 +385,7 @@ WRAPPER_IMPL_AVX512_ff _ZGVdN8vv_powf
vpsrlq $32, %zmm3, %zmm2
vpmovqd %zmm2, %ymm11
vcvtps2pd %ymm14, %zmm13
- vmovups .L_2il0floatpacket.23(%rip), %zmm14
+ vpternlogd $0xff, %zmm14, %zmm14, %zmm14
vmovaps %zmm14, %zmm26
vpandd _ABSMASK(%rax), %zmm1, %zmm8
vpcmpd $1, _INF(%rax), %zmm8, %k2
@@ -427,7 +427,7 @@ WRAPPER_IMPL_AVX512_ff _ZGVdN8vv_powf
vpmovqd %zmm11, %ymm5
vpxord %zmm10, %zmm10, %zmm10
vgatherdpd _Log2Rcp_lookup(%rax,%ymm4), %zmm10{%k3}
- vpbroadcastq .L_2il0floatpacket.24(%rip), %zmm4
+ vpternlogd $0xff, %zmm4, %zmm4, %zmm4
vpxord %zmm11, %zmm11, %zmm11
vcvtdq2pd %ymm7, %zmm7
vgatherdpd _Log2Rcp_lookup(%rax,%ymm5), %zmm11{%k1}
@@ -643,11 +643,3 @@ WRAPPER_IMPL_AVX512_ff _ZGVdN8vv_powf
jmp .LBL_2_7
#endif
END (_ZGVeN16vv_powf_skx)
-
- .section .rodata, "a"
-.L_2il0floatpacket.23:
- .long 0xffffffff,0xffffffff,0xffffffff,0xffffffff,0xffffffff,0xffffffff,0xffffffff,0xffffffff,0xffffffff,0xffffffff,0xffffffff,0xffffffff,0xffffffff,0xffffffff,0xffffffff,0xffffffff
- .type .L_2il0floatpacket.23,@object
-.L_2il0floatpacket.24:
- .long 0xffffffff,0xffffffff
- .type .L_2il0floatpacket.24,@object
diff --git a/sysdeps/x86_64/fpu/multiarch/svml_s_sincosf16_core_avx512.S b/sysdeps/x86_64/fpu/multiarch/svml_s_sincosf16_core_avx512.S
index 9cf359c86ff9bd70..a446c504f63c9399 100644
--- a/sysdeps/x86_64/fpu/multiarch/svml_s_sincosf16_core_avx512.S
+++ b/sysdeps/x86_64/fpu/multiarch/svml_s_sincosf16_core_avx512.S
@@ -317,7 +317,7 @@ WRAPPER_IMPL_AVX512_fFF _ZGVdN8vvv_sincosf
/* Result sign calculations */
vpternlogd $150, %zmm0, %zmm14, %zmm1
- vmovups .L_2il0floatpacket.13(%rip), %zmm14
+ vpternlogd $0xff, %zmm14, %zmm14, %zmm14
/* Add correction term 0.5 for cos() part */
vaddps %zmm8, %zmm5, %zmm15
@@ -748,8 +748,3 @@ END (_ZGVeN16vvv_sincosf_knl)
ENTRY (_ZGVeN16vvv_sincosf_skx)
WRAPPER_AVX512_vvv_vl4l4 _ZGVeN16vl4l4_sincosf_skx
END (_ZGVeN16vvv_sincosf_skx)
-
- .section .rodata, "a"
-.L_2il0floatpacket.13:
- .long 0xffffffff,0xffffffff,0xffffffff,0xffffffff,0xffffffff,0xffffffff,0xffffffff,0xffffffff,0xffffffff,0xffffffff,0xffffffff,0xffffffff,0xffffffff,0xffffffff,0xffffffff,0xffffffff
- .type .L_2il0floatpacket.13,@object
diff --git a/sysdeps/x86_64/fpu/multiarch/svml_s_sinf16_core_avx512.S b/sysdeps/x86_64/fpu/multiarch/svml_s_sinf16_core_avx512.S
index bd05109a62181f22..c1b352d0ad1992cd 100644
--- a/sysdeps/x86_64/fpu/multiarch/svml_s_sinf16_core_avx512.S
+++ b/sysdeps/x86_64/fpu/multiarch/svml_s_sinf16_core_avx512.S
@@ -280,7 +280,7 @@ WRAPPER_IMPL_AVX512 _ZGVdN8v_sinf
movq __svml_s_trig_data@GOTPCREL(%rip), %rax
/* Check for large and special values */
- vmovups .L_2il0floatpacket.11(%rip), %zmm14
+ vpternlogd $0xff, %zmm14, %zmm14, %zmm14
vmovups __sAbsMask(%rax), %zmm5
vmovups __sInvPI(%rax), %zmm1
vmovups __sRShifter(%rax), %zmm2
@@ -472,8 +472,3 @@ WRAPPER_IMPL_AVX512 _ZGVdN8v_sinf
jmp .LBL_2_7
#endif
END (_ZGVeN16v_sinf_skx)
-
- .section .rodata, "a"
-.L_2il0floatpacket.11:
- .long 0xffffffff,0xffffffff,0xffffffff,0xffffffff,0xffffffff,0xffffffff,0xffffffff,0xffffffff,0xffffffff,0xffffffff,0xffffffff,0xffffffff,0xffffffff,0xffffffff,0xffffffff,0xffffffff
- .type .L_2il0floatpacket.11,@object
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