From f847e0195ddab27d3d55b348c1ab6857c2a00d9d Mon Sep 17 00:00:00 2001 From: liuhongt Date: Fri, 18 Aug 2023 10:30:35 +0800 Subject: [PATCH] Support -march=gracemont Alderlake-N is E-core only, add it as an alias of Alderlake. gcc/ChangeLog: * common/config/i386/cpuinfo.h (get_intel_cpu): Detect Alderlake-N. * common/config/i386/i386-common.cc (alias_table): Support -march=gracemont as an alias of -march=alderlake. --- gcc/common/config/i386/cpuinfo.h | 3 +++ gcc/common/config/i386/i386-common.cc | 2 ++ 2 files changed, 5 insertions(+) diff --git a/gcc/common/config/i386/cpuinfo.h b/gcc/common/config/i386/cpuinfo.h index f49bc79ed7b..1652411d6c4 100644 --- a/gcc/common/config/i386/cpuinfo.h +++ b/gcc/common/config/i386/cpuinfo.h @@ -533,6 +533,9 @@ get_intel_cpu (struct __processor_model *cpu_model, cpu_model->__cpu_type = INTEL_COREI7; cpu_model->__cpu_subtype = INTEL_COREI7_TIGERLAKE; break; + + case 0xbe: + /* Alder Lake N, E-core only. */ case 0x97: case 0x9a: /* Alder Lake. */ diff --git a/gcc/common/config/i386/i386-common.cc b/gcc/common/config/i386/i386-common.cc index db88befc9b8..12a01704a73 100644 --- a/gcc/common/config/i386/i386-common.cc +++ b/gcc/common/config/i386/i386-common.cc @@ -2301,6 +2301,8 @@ const pta processor_alias_table[] = M_CPU_TYPE (INTEL_GOLDMONT_PLUS), P_PROC_SSE4_2}, {"tremont", PROCESSOR_TREMONT, CPU_HASWELL, PTA_TREMONT, M_CPU_TYPE (INTEL_TREMONT), P_PROC_SSE4_2}, + {"gracemont", PROCESSOR_ALDERLAKE, CPU_HASWELL, PTA_ALDERLAKE, + M_CPU_SUBTYPE (INTEL_COREI7_ALDERLAKE), P_PROC_AVX2}, {"sierraforest", PROCESSOR_SIERRAFOREST, CPU_HASWELL, PTA_SIERRAFOREST, M_CPU_SUBTYPE (INTEL_SIERRAFOREST), P_PROC_AVX2}, {"grandridge", PROCESSOR_GRANDRIDGE, CPU_HASWELL, PTA_GRANDRIDGE,