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authoregnappahz2021-07-14 22:36:41 +0200
committeregnappahz2021-07-14 22:36:41 +0200
commitfbaba4ada9e1e3327409314908626796283f8234 (patch)
treed3fa4240edd3f1b758a704bfeb81ed872567b34f /5010_enable-cpu-optimizations-universal.patch
parent2f70ce30c9c2b425cddbc78a70a58fdabf36a335 (diff)
downloadaur-fbaba4ada9e1e3327409314908626796283f8234.tar.gz
Updated
Diffstat (limited to '5010_enable-cpu-optimizations-universal.patch')
-rw-r--r--5010_enable-cpu-optimizations-universal.patch74
1 files changed, 36 insertions, 38 deletions
diff --git a/5010_enable-cpu-optimizations-universal.patch b/5010_enable-cpu-optimizations-universal.patch
index 1868f23365b..c45d13bf417 100644
--- a/5010_enable-cpu-optimizations-universal.patch
+++ b/5010_enable-cpu-optimizations-universal.patch
@@ -1,23 +1,18 @@
-From 59db769ad69e080c512b3890e1d27d6120f4a1a4 Mon Sep 17 00:00:00 2001
+From 4af44fbc97bc51eb742f0d6555bde23cf580d4e3 Mon Sep 17 00:00:00 2001
From: graysky <graysky@archlinux.us>
-Date: Mon, 12 Apr 2021 07:09:27 -0400
+Date: Sun, 6 Jun 2021 09:41:36 -0400
Subject: [PATCH] more uarches for kernel 5.8+
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
-WARNING
-This patch works with all gcc versions 9.0+ and with kernel version 5.8+ and should
-NOT be applied when compiling on older versions of gcc due to key name changes
-of the march flags introduced with the version 4.9 release of gcc.[1]
-
FEATURES
This patch adds additional CPU options to the Linux kernel accessible under:
Processor type and features --->
Processor family --->
-With the release of gcc 11.0, several generic 64-bit levels are offered which
-are good for supported Intel or AMD CPUs:
+With the release of gcc 11.1 and clang 12.0, several generic 64-bit levels are
+offered which are good for supported Intel or AMD CPUs:
• x86-64-v2
• x86-64-v3
• x86-64-v4
@@ -26,7 +21,7 @@ Users of glibc 2.33 and above can see which level is supported by current
hardware by running:
/lib/ld-linux-x86-64.so.2 --help | grep supported
-Alternatively, compare the flags from /proc/cpuinfo to this list.[2]
+Alternatively, compare the flags from /proc/cpuinfo to this list.[1]
CPU-specific microarchitectures include:
• AMD Improved K8-family
@@ -62,13 +57,15 @@ CPU-specific microarchitectures include:
• Intel 12th Gen i3/i5/i7/i9-family (Alder Lake)‡
Notes: If not otherwise noted, gcc >=9.1 is required for support.
- *Requires gcc >=10.1 †Required gcc >=10.3 ‡Required gcc >=11.0
+ *Requires gcc >=10.1 or clang >=10.0
+ †Required gcc >=10.3 or clang >=12.0
+ ‡Required gcc >=11.1 or clang >=12.0
It also offers to compile passing the 'native' option which, "selects the CPU
to generate code for at compilation time by determining the processor type of
the compiling machine. Using -march=native enables all instruction subsets
supported by the local machine and will produce code optimized for the local
-machine under the constraints of the selected instruction set."[3]
+machine under the constraints of the selected instruction set."[2]
Users of Intel CPUs should select the 'Intel-Native' option and users of AMD
CPUs should select the 'AMD-Native' option.
@@ -76,9 +73,9 @@ CPUs should select the 'AMD-Native' option.
MINOR NOTES RELATING TO INTEL ATOM PROCESSORS
This patch also changes -march=atom to -march=bonnell in accordance with the
gcc v4.9 changes. Upstream is using the deprecated -match=atom flags when I
-believe it should use the newer -march=bonnell flag for atom processors.[4]
+believe it should use the newer -march=bonnell flag for atom processors.[3]
-It is not recommended to compile on Atom-CPUs with the 'native' option.[5] The
+It is not recommended to compile on Atom-CPUs with the 'native' option.[4] The
recommendation is to use the 'atom' option instead.
BENEFITS
@@ -90,18 +87,19 @@ https://github.com/graysky2/kernel_gcc_patch
REQUIREMENTS
linux version >=5.8
-gcc version >=9.0
+gcc version >=9.0 or clang version >=9.0
ACKNOWLEDGMENTS
-This patch builds on the seminal work by Jeroen.[6]
+This patch builds on the seminal work by Jeroen.[5]
REFERENCES
-1. https://gcc.gnu.org/gcc-4.9/changes.html
-2. https://gitlab.com/x86-psABIs/x86-64-ABI/-/commit/77566eb03bc6a326811cb7e9
-3. https://gcc.gnu.org/onlinedocs/gcc/x86-Options.html#index-x86-Options
-4. https://bugzilla.kernel.org/show_bug.cgi?id=77461
-5. https://github.com/graysky2/kernel_gcc_patch/issues/15
-6. http://www.linuxforge.net/docs/linux/linux-gcc.php
+1. https://gitlab.com/x86-psABIs/x86-64-ABI/-/commit/77566eb03bc6a326811cb7e9
+2. https://gcc.gnu.org/onlinedocs/gcc/x86-Options.html#index-x86-Options
+3. https://bugzilla.kernel.org/show_bug.cgi?id=77461
+4. https://github.com/graysky2/kernel_gcc_patch/issues/15
+5. http://www.linuxforge.net/docs/linux/linux-gcc.php
+
+Signed-off-by: graysky <graysky@archlinux.us>
---
arch/x86/Kconfig.cpu | 332 ++++++++++++++++++++++++++++++--
arch/x86/Makefile | 47 ++++-
@@ -109,7 +107,7 @@ REFERENCES
3 files changed, 428 insertions(+), 17 deletions(-)
diff --git a/arch/x86/Kconfig.cpu b/arch/x86/Kconfig.cpu
-index 814fe0d349b0..872b9cf598e3 100644
+index 814fe0d349b0..8acf6519d279 100644
--- a/arch/x86/Kconfig.cpu
+++ b/arch/x86/Kconfig.cpu
@@ -157,7 +157,7 @@ config MPENTIUM4
@@ -221,7 +219,7 @@ index 814fe0d349b0..872b9cf598e3 100644
+
+config MZEN3
+ bool "AMD Zen 3"
-+ depends on GCC_VERSION > 100300
++ depends on ( CC_IS_GCC && GCC_VERSION >= 100300 ) || ( CC_IS_CLANG && CLANG_VERSION >= 120000 )
+ help
+ Select this for AMD Family 19h Zen 3 processors.
+
@@ -380,7 +378,7 @@ index 814fe0d349b0..872b9cf598e3 100644
+
+config MCOOPERLAKE
+ bool "Intel Cooper Lake"
-+ depends on GCC_VERSION > 100100
++ depends on ( CC_IS_GCC && GCC_VERSION > 100100 ) || ( CC_IS_CLANG && CLANG_VERSION >= 100000 )
+ select X86_P6_NOP
+ help
+
@@ -390,7 +388,7 @@ index 814fe0d349b0..872b9cf598e3 100644
+
+config MTIGERLAKE
+ bool "Intel Tiger Lake"
-+ depends on GCC_VERSION > 100100
++ depends on ( CC_IS_GCC && GCC_VERSION > 100100 ) || ( CC_IS_CLANG && CLANG_VERSION >= 100000 )
+ select X86_P6_NOP
+ help
+
@@ -400,7 +398,7 @@ index 814fe0d349b0..872b9cf598e3 100644
+
+config MSAPPHIRERAPIDS
+ bool "Intel Sapphire Rapids"
-+ depends on GCC_VERSION > 110000
++ depends on ( CC_IS_GCC && GCC_VERSION > 110000 ) || ( CC_IS_CLANG && CLANG_VERSION >= 120000 )
+ select X86_P6_NOP
+ help
+
@@ -410,7 +408,7 @@ index 814fe0d349b0..872b9cf598e3 100644
+
+config MROCKETLAKE
+ bool "Intel Rocket Lake"
-+ depends on GCC_VERSION > 110000
++ depends on ( CC_IS_GCC && GCC_VERSION > 110000 ) || ( CC_IS_CLANG && CLANG_VERSION >= 120000 )
+ select X86_P6_NOP
+ help
+
@@ -420,7 +418,7 @@ index 814fe0d349b0..872b9cf598e3 100644
+
+config MALDERLAKE
+ bool "Intel Alder Lake"
-+ depends on GCC_VERSION > 110000
++ depends on ( CC_IS_GCC && GCC_VERSION > 110000 ) || ( CC_IS_CLANG && CLANG_VERSION >= 120000 )
+ select X86_P6_NOP
+ help
+
@@ -437,7 +435,7 @@ index 814fe0d349b0..872b9cf598e3 100644
+config GENERIC_CPU2
+ bool "Generic-x86-64-v2"
-+ depends on GCC_VERSION > 110000
++ depends on ( CC_IS_GCC && GCC_VERSION > 110000 ) || ( CC_IS_CLANG && LANG_VERSION >= 120000 )
+ depends on X86_64
+ help
+ Generic x86-64 CPU.
@@ -445,7 +443,7 @@ index 814fe0d349b0..872b9cf598e3 100644
+
+config GENERIC_CPU3
+ bool "Generic-x86-64-v3"
-+ depends on GCC_VERSION > 110000
++ depends on ( CC_IS_GCC && GCC_VERSION > 110000 ) || ( CC_IS_CLANG && LANG_VERSION >= 120000 )
+ depends on X86_64
+ help
+ Generic x86-64-v3 CPU with v3 instructions.
@@ -453,27 +451,27 @@ index 814fe0d349b0..872b9cf598e3 100644
+
+config GENERIC_CPU4
+ bool "Generic-x86-64-v4"
-+ depends on GCC_VERSION > 110000
++ depends on ( CC_IS_GCC && GCC_VERSION > 110000 ) || ( CC_IS_CLANG && LANG_VERSION >= 120000 )
+ depends on X86_64
+ help
+ Generic x86-64 CPU with v4 instructions.
+ Run equally well on all x86-64 CPUs with min support of x86-64-v4.
+
+config MNATIVE_INTEL
-+ bool "Intel-Native optimizations autodetected by GCC"
++ bool "Intel-Native optimizations autodetected by the compiler"
+ help
+
-+ GCC 4.2 and above support -march=native, which automatically detects
++ Clang 3.8, GCC 4.2 and above support -march=native, which automatically detects
+ the optimum settings to use based on your processor. Do NOT use this
+ for AMD CPUs. Intel Only!
+
+ Enables -march=native
+
+config MNATIVE_AMD
-+ bool "AMD-Native optimizations autodetected by GCC"
++ bool "AMD-Native optimizations autodetected by the compiler"
+ help
+
-+ GCC 4.2 and above support -march=native, which automatically detects
++ Clang 3.8, GCC 4.2 and above support -march=native, which automatically detects
+ the optimum settings to use based on your processor. Do NOT use this
+ for Intel CPUs. AMD Only!
+
@@ -538,10 +536,10 @@ index 814fe0d349b0..872b9cf598e3 100644
default "4"
diff --git a/arch/x86/Makefile b/arch/x86/Makefile
-index 9a85eae37b17..facf9a278fe3 100644
+index 78faf9c7e3ae..ee0cd507af8b 100644
--- a/arch/x86/Makefile
+++ b/arch/x86/Makefile
-@@ -113,11 +113,48 @@ else
+@@ -114,11 +114,48 @@ else
# FIXME - should be integrated in Makefile.cpu (Makefile_32.cpu)
cflags-$(CONFIG_MK8) += $(call cc-option,-march=k8)
cflags-$(CONFIG_MPSC) += $(call cc-option,-march=nocona)