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From: H.J. Lu <hjl@sourceware.org> To: glibc-cvs@sourceware.org Subject: [glibc] x86: Move CPU_FEATURE{S}_{USABLE|ARCH}_P to isa-level.h Date: Tue, 28 Jun 2022 01:01:13 +0000 (GMT) [thread overview] Message-ID: <20220628010113.E138338582B9@sourceware.org> (raw) https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=f56c497d2b640577f0a8a41f04d4f2c25a8800bd commit f56c497d2b640577f0a8a41f04d4f2c25a8800bd Author: H.J. Lu <hjl.tools@gmail.com> Date: Mon Jun 27 12:52:58 2022 -0700 x86: Move CPU_FEATURE{S}_{USABLE|ARCH}_P to isa-level.h Move X86_ISA_CPU_FEATURE_USABLE_P and X86_ISA_CPU_FEATURES_ARCH_P to where MINIMUM_X86_ISA_LEVEL and XXX_X86_ISA_LEVEL are defined. Diff: --- sysdeps/x86/isa-ifunc-macros.h | 27 --------------------------- sysdeps/x86/isa-level.h | 24 ++++++++++++++++++++++++ 2 files changed, 24 insertions(+), 27 deletions(-) diff --git a/sysdeps/x86/isa-ifunc-macros.h b/sysdeps/x86/isa-ifunc-macros.h index d69905689b..f967a1bec6 100644 --- a/sysdeps/x86/isa-ifunc-macros.h +++ b/sysdeps/x86/isa-ifunc-macros.h @@ -56,31 +56,4 @@ # define X86_IFUNC_IMPL_ADD_V1(...) #endif -/* Both X86_ISA_CPU_FEATURE_USABLE_P and X86_ISA_CPU_FEATURES_ARCH_P - macros are wrappers for the the respective - CPU_FEATURE{S}_{USABLE|ARCH}_P runtime checks. They differ in two - ways. - - 1. The USABLE_P version is evaluated to true when the feature - is enabled. - - 2. The ARCH_P version has a third argument `not`. The `not` - argument can either be '!' or empty. If the feature is - enabled above an ISA level, the third argument should be empty - and the expression is evaluated to true when the feature is - enabled. If the feature is disabled above an ISA level, the - third argument should be `!` and the expression is evaluated - to true when the feature is disabled. - */ - -#define X86_ISA_CPU_FEATURE_USABLE_P(ptr, name) \ - (((name##_X86_ISA_LEVEL) <= MINIMUM_X86_ISA_LEVEL) \ - || CPU_FEATURE_USABLE_P (ptr, name)) - - -#define X86_ISA_CPU_FEATURES_ARCH_P(ptr, name, not) \ - (((name##_X86_ISA_LEVEL) <= MINIMUM_X86_ISA_LEVEL) \ - || not CPU_FEATURES_ARCH_P (ptr, name)) - - #endif diff --git a/sysdeps/x86/isa-level.h b/sysdeps/x86/isa-level.h index 075e7c6ee1..c6156e7f7a 100644 --- a/sysdeps/x86/isa-level.h +++ b/sysdeps/x86/isa-level.h @@ -87,6 +87,30 @@ when ISA level < 3. */ #define Prefer_No_VZEROUPPER_X86_ISA_LEVEL 3 +/* Both X86_ISA_CPU_FEATURE_USABLE_P and X86_ISA_CPU_FEATURES_ARCH_P + macros are wrappers for the respective CPU_FEATURE{S}_{USABLE|ARCH}_P + runtime checks. They differ in two ways. + + 1. The USABLE_P version is evaluated to true when the feature + is enabled. + + 2. The ARCH_P version has a third argument `not`. The `not` + argument can either be `!` or empty. If the feature is + enabled above an ISA level, the third argument should be empty + and the expression is evaluated to true when the feature is + enabled. If the feature is disabled above an ISA level, the + third argument should be `!` and the expression is evaluated + to true when the feature is disabled. + */ + +#define X86_ISA_CPU_FEATURE_USABLE_P(ptr, name) \ + (((name##_X86_ISA_LEVEL) <= MINIMUM_X86_ISA_LEVEL) \ + || CPU_FEATURE_USABLE_P (ptr, name)) + +#define X86_ISA_CPU_FEATURES_ARCH_P(ptr, name, not) \ + (((name##_X86_ISA_LEVEL) <= MINIMUM_X86_ISA_LEVEL) \ + || not CPU_FEATURES_ARCH_P (ptr, name)) + #define ISA_SHOULD_BUILD(isa_build_level) \ (MINIMUM_X86_ISA_LEVEL <= (isa_build_level) && IS_IN (libc)) \ || defined ISA_DEFAULT_IMPL
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