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* [newlib-cygwin] fhandler_proc.cc(format_proc_cpuinfo): add Linux 5.16 Gobble Gobble flags
@ 2022-01-12 18:44 Corinna Vinschen
  0 siblings, 0 replies; only message in thread
From: Corinna Vinschen @ 2022-01-12 18:44 UTC (permalink / raw)
  To: cygwin-cvs

https://sourceware.org/git/gitweb.cgi?p=newlib-cygwin.git;h=bd179c36bf148091171cbf866e31a2ef6e5de7b1

commit bd179c36bf148091171cbf866e31a2ef6e5de7b1
Author: Brian Inglis <Brian.Inglis@SystematicSW.ab.ca>
Date:   Tue Jan 11 23:04:31 2022 -0700

    fhandler_proc.cc(format_proc_cpuinfo): add Linux 5.16 Gobble Gobble flags
    
    0x00000007:1 Intel Advanced Matrix eXtensions:
                     EAX:22 amx_bf16 Brain Float 16 dot product
                     EAX:24 amx_tile Tile matrix multiply
                     EAX:25 amx_int8 Int 8 byte dot product
    0x80000008:0 AMD EBX:27 cppc      Collaborative Processor Performance Control

Diff:
---
 winsup/cygwin/fhandler_proc.cc | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/winsup/cygwin/fhandler_proc.cc b/winsup/cygwin/fhandler_proc.cc
index 6ec6f8bc4..d51f171a3 100644
--- a/winsup/cygwin/fhandler_proc.cc
+++ b/winsup/cygwin/fhandler_proc.cc
@@ -1456,6 +1456,9 @@ format_proc_cpuinfo (void *, char *&destbuf)
 
 	  ftcprint (features1,  4, "avx_vnni");	    /* vex enc NN vec */
 	  ftcprint (features1,  5, "avx512_bf16");  /* vec bfloat16 short */
+	  ftcprint (features1, 22, "amx_bf16");	    /* Advanced Matrix eXtensions Brain Float 16 dot product */
+	  ftcprint (features1, 24, "amx_tile");	    /* Advanced Matrix eXtensions Tile matrix multiply */
+	  ftcprint (features1, 25, "amx_int8");	    /* Advanced Matrix eXtensions Int 8 byte dot product */
 	}
 
       /* AMD cpuid 0x80000008 ebx */
@@ -1479,6 +1482,7 @@ format_proc_cpuinfo (void *, char *&destbuf)
 /*	  ftcprint (features1, 24, "ssbd"); */	    /* spec store byp dis */
 	  ftcprint (features1, 25, "virt_ssbd");    /* vir spec store byp dis */
 /*	  ftcprint (features1, 26, "ssb_no"); */    /* ssb fixed in hardware */
+	  ftcprint (features1, 27, "cppc");	    /* collab proc perf ctl */
         }
 
       /* thermal & power cpuid 0x00000006 eax */


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