[PATCH] x86: Detect Rocket Lake and Alder Lake

H.J. Lu hjl.tools@gmail.com
Sun Aug 16 13:17:40 GMT 2020


>From arch/x86/include/asm/intel-family.h on Linux kernel master branch:

 #define INTEL_FAM6_ROCKETLAKE           0xA7
 #define INTEL_FAM6_ALDERLAKE            0x97

	* common/config/i386/cpuinfo.h (get_intel_cpu): Detect Rocket
	Lake and Alder Lake.
---
 gcc/common/config/i386/cpuinfo.h | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/gcc/common/config/i386/cpuinfo.h b/gcc/common/config/i386/cpuinfo.h
index b14c7c668da..12237e2f449 100644
--- a/gcc/common/config/i386/cpuinfo.h
+++ b/gcc/common/config/i386/cpuinfo.h
@@ -387,6 +387,8 @@ get_intel_cpu (struct __processor_model *cpu_model,
     case 0xa5:
     case 0xa6:
       /* Comet Lake.  */
+    case 0xa7:
+      /* Rocket Lake.  */
       cpu = "skylake";
       CHECK___builtin_cpu_is ("corei7");
       CHECK___builtin_cpu_is ("skylake");
@@ -456,6 +458,14 @@ get_intel_cpu (struct __processor_model *cpu_model,
       cpu_model->__cpu_type = INTEL_COREI7;
       cpu_model->__cpu_subtype = INTEL_COREI7_TIGERLAKE;
       break;
+    case 0x97:
+      /* Alder Lake.  */
+      cpu = "alderlake";
+      CHECK___builtin_cpu_is ("corei7");
+      CHECK___builtin_cpu_is ("alderlake");
+      cpu_model->__cpu_type = INTEL_COREI7;
+      cpu_model->__cpu_subtype = INTEL_COREI7_ALDERLAKE;
+      break;
     case 0x8f:
       /* Sapphire Rapids.  */
       cpu = "sapphirerapids";
-- 
2.26.2



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