| Message ID | 20240531091457.42200-2-pbonzini@redhat.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | host/i386: require x86-64-v2 ISA | expand |
On 31/5/24 11:14, Paolo Bonzini wrote: > The only user was the SSE4.1 variant of buffer_is_zero, which has > been removed; code to compute CPUINFO_SSE4 is dead. > > Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> > --- > host/include/i386/host/cpuinfo.h | 1 - > util/cpuinfo-i386.c | 1 - > 2 files changed, 2 deletions(-) Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
On Fri, May 31, 2024 at 11:14:52AM +0200, Paolo Bonzini wrote: > Date: Fri, 31 May 2024 11:14:52 +0200 > From: Paolo Bonzini <pbonzini@redhat.com> > Subject: [PATCH 1/6] host/i386: nothing looks at CPUINFO_SSE4 > X-Mailer: git-send-email 2.45.1 > > The only user was the SSE4.1 variant of buffer_is_zero, which has > been removed; code to compute CPUINFO_SSE4 is dead. > > Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> > --- > host/include/i386/host/cpuinfo.h | 1 - > util/cpuinfo-i386.c | 1 - > 2 files changed, 2 deletions(-) > Reviewed-by: Zhao Liu <zhao1.liu@intel.com>
diff --git a/host/include/i386/host/cpuinfo.h b/host/include/i386/host/cpuinfo.h index b89e6d2e55a..9386c749881 100644 --- a/host/include/i386/host/cpuinfo.h +++ b/host/include/i386/host/cpuinfo.h @@ -16,7 +16,6 @@ #define CPUINFO_BMI1 (1u << 5) #define CPUINFO_BMI2 (1u << 6) #define CPUINFO_SSE2 (1u << 7) -#define CPUINFO_SSE4 (1u << 8) #define CPUINFO_AVX1 (1u << 9) #define CPUINFO_AVX2 (1u << 10) #define CPUINFO_AVX512F (1u << 11) diff --git a/util/cpuinfo-i386.c b/util/cpuinfo-i386.c index 9fddb18303d..18ab747a6d2 100644 --- a/util/cpuinfo-i386.c +++ b/util/cpuinfo-i386.c @@ -36,7 +36,6 @@ unsigned __attribute__((constructor)) cpuinfo_init(void) info |= (d & bit_CMOV ? CPUINFO_CMOV : 0); info |= (d & bit_SSE2 ? CPUINFO_SSE2 : 0); - info |= (c & bit_SSE4_1 ? CPUINFO_SSE4 : 0); info |= (c & bit_MOVBE ? CPUINFO_MOVBE : 0); info |= (c & bit_POPCNT ? CPUINFO_POPCNT : 0); info |= (c & bit_PCLMUL ? CPUINFO_PCLMUL : 0);
The only user was the SSE4.1 variant of buffer_is_zero, which has been removed; code to compute CPUINFO_SSE4 is dead. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> --- host/include/i386/host/cpuinfo.h | 1 - util/cpuinfo-i386.c | 1 - 2 files changed, 2 deletions(-)