Update copyright years.

[thirdparty/gcc.git] / gcc / config / i386 / driver-i386.c

diff --git a/gcc/config/i386/driver-i386.c b/gcc/config/i386/driver-i386.c
index c0f90adf4f951aba78270140909e913f56d06b83..130e12c8868382b214a2e3efc6702b8fbee6de23 100644 (file)
--- a/gcc/config/i386/driver-i386.c
+++ b/gcc/config/i386/driver-i386.c
@@ -1,5 +1,5 @@
 /* Subroutines for the gcc driver.
-   Copyright (C) 2006-2018 Free Software Foundation, Inc.
+   Copyright (C) 2006-2020 Free Software Foundation, Inc.
 
 This file is part of GCC.
 
@@ -423,9 +423,14 @@ const char *host_detect_local_cpu (int argc, const char **argv)
   unsigned int has_shstk = 0;
   unsigned int has_avx512vnni = 0, has_vaes = 0;
   unsigned int has_vpclmulqdq = 0;
+  unsigned int has_avx512vp2intersect = 0;
   unsigned int has_movdiri = 0, has_movdir64b = 0;
+  unsigned int has_enqcmd = 0;
   unsigned int has_waitpkg = 0;
   unsigned int has_cldemote = 0;
+  unsigned int has_avx512bf16 = 0;
+
+  unsigned int has_ptwrite = 0;
 
   bool arch;
 
@@ -523,14 +528,19 @@ const char *host_detect_local_cpu (int argc, const char **argv)
       has_avx512bitalg = ecx & bit_AVX512BITALG;
       has_movdiri = ecx & bit_MOVDIRI;
       has_movdir64b = ecx & bit_MOVDIR64B;
+      has_enqcmd = ecx & bit_ENQCMD;
       has_cldemote = ecx & bit_CLDEMOTE;
 
       has_avx5124vnniw = edx & bit_AVX5124VNNIW;
       has_avx5124fmaps = edx & bit_AVX5124FMAPS;
+      has_avx512vp2intersect = edx & bit_AVX512VP2INTERSECT;
 
       has_shstk = ecx & bit_SHSTK;
       has_pconfig = edx & bit_PCONFIG;
       has_waitpkg = ecx & bit_WAITPKG;
+
+      __cpuid_count (7, 1, eax, ebx, ecx, edx);
+      has_avx512bf16 = eax & bit_AVX512BF16;
     }
 
   if (max_level >= 13)
@@ -542,6 +552,13 @@ const char *host_detect_local_cpu (int argc, const char **argv)
       has_xsaves = eax & bit_XSAVES;
     }
 
+  if (max_level >= 0x14)
+    {
+      __cpuid_count (0x14, 0, eax, ebx, ecx, edx);
+
+      has_ptwrite = ebx & bit_PTWRITE;
+    }
+
   /* Check cpuid level of extended features.  */
   __cpuid (0x80000000, ext_level, ebx, ecx, edx);
 
@@ -649,6 +666,8 @@ const char *host_detect_local_cpu (int argc, const char **argv)
        processor = PROCESSOR_GEODE;
       else if (has_movbe && family == 22)
        processor = PROCESSOR_BTVER2;
+      else if (has_clwb)
+       processor = PROCESSOR_ZNVER2;
       else if (has_clzero)
        processor = PROCESSOR_ZNVER1;
       else if (has_avx2)
@@ -821,8 +840,12 @@ const char *host_detect_local_cpu (int argc, const char **argv)
          cpu = "skylake";
          break;
        case 0x55:
-         /* Skylake with AVX-512.  */
-         cpu = "skylake-avx512";
+         if (has_avx512vnni)
+           /* Cascade Lake.  */
+           cpu = "cascadelake";
+         else
+           /* Skylake with AVX-512.  */
+           cpu = "skylake-avx512";
          break;
        case 0x57:
          /* Knights Landing.  */
@@ -840,39 +863,51 @@ const char *host_detect_local_cpu (int argc, const char **argv)
          if (arch)
            {
              /* This is unknown family 0x6 CPU.  */
-             /* Assume Ice Lake Server.  */
-             if (has_wbnoinvd)
-               cpu = "icelake-server";
-             /* Assume Ice Lake.  */
-             else if (has_gfni)
-               cpu = "icelake-client";
-             /* Assume Cannon Lake.  */
-             else if (has_avx512vbmi)
-               cpu = "cannonlake";
-             /* Assume Knights Mill.  */
-             else if (has_avx5124vnniw)
-               cpu = "knm";
-             /* Assume Knights Landing.  */
-             else if (has_avx512er)
-               cpu = "knl";
-             /* Assume Skylake with AVX-512.  */
-             else if (has_avx512f)
-               cpu = "skylake-avx512";
-             /* Assume Skylake.  */
-             else if (has_clflushopt)
-               cpu = "skylake";
-             /* Assume Broadwell.  */
-             else if (has_adx)
-               cpu = "broadwell";
-             else if (has_avx2)
+             if (has_avx)
+             {
+               /* Assume Tiger Lake */
+               if (has_avx512vp2intersect)
+                 cpu = "tigerlake";
+               /* Assume Cooper Lake */
+               else if (has_avx512bf16)
+                 cpu = "cooperlake";
+               /* Assume Ice Lake Server.  */
+               else if (has_wbnoinvd)
+                 cpu = "icelake-server";
+               /* Assume Ice Lake.  */
+               else if (has_avx512bitalg)
+                 cpu = "icelake-client";
+               /* Assume Cannon Lake.  */
+               else if (has_avx512vbmi)
+                 cpu = "cannonlake";
+               /* Assume Knights Mill.  */
+               else if (has_avx5124vnniw)
+                 cpu = "knm";
+               /* Assume Knights Landing.  */
+               else if (has_avx512er)
+                 cpu = "knl";
+               /* Assume Skylake with AVX-512.  */
+               else if (has_avx512f)
+                 cpu = "skylake-avx512";
+               /* Assume Skylake.  */
+               else if (has_clflushopt)
+                 cpu = "skylake";
+               /* Assume Broadwell.  */
+               else if (has_adx)
+                 cpu = "broadwell";
+               else if (has_avx2)
                /* Assume Haswell.  */
-               cpu = "haswell";
-             else if (has_avx)
+                 cpu = "haswell";
+               else
                /* Assume Sandy Bridge.  */
-               cpu = "sandybridge";
+                 cpu = "sandybridge";        
+             }
              else if (has_sse4_2)
                {
-                 if (has_sgx)
+                 if (has_gfni)
+                   /* Assume Tremont.  */
+                   cpu = "tremont";
+                 else if (has_sgx)
                    /* Assume Goldmont Plus.  */
                    cpu = "goldmont-plus";
                  else if (has_xsave)
@@ -1009,6 +1044,9 @@ const char *host_detect_local_cpu (int argc, const char **argv)
     case PROCESSOR_ZNVER1:
       cpu = "znver1";
       break;
+    case PROCESSOR_ZNVER2:
+      cpu = "znver2";
+      break;
     case PROCESSOR_BTVER1:
       cpu = "btver1";
       break;
@@ -1116,11 +1154,16 @@ const char *host_detect_local_cpu (int argc, const char **argv)
       const char *shstk = has_shstk ? " -mshstk" : " -mno-shstk";
       const char *vaes = has_vaes ? " -mvaes" : " -mno-vaes";
       const char *vpclmulqdq = has_vpclmulqdq ? " -mvpclmulqdq" : " -mno-vpclmulqdq";
+      const char *avx512vp2intersect = has_avx512vp2intersect ? " -mavx512vp2intersect" : " -mno-avx512vp2intersect";
       const char *avx512bitalg = has_avx512bitalg ? " -mavx512bitalg" : " -mno-avx512bitalg";
       const char *movdiri = has_movdiri ? " -mmovdiri" : " -mno-movdiri";
       const char *movdir64b = has_movdir64b ? " -mmovdir64b" : " -mno-movdir64b";
+      const char *enqcmd = has_enqcmd ? " -menqcmd" : " -mno-enqcmd";
       const char *waitpkg = has_waitpkg ? " -mwaitpkg" : " -mno-waitpkg";
       const char *cldemote = has_cldemote ? " -mcldemote" : " -mno-cldemote";
+      const char *ptwrite = has_ptwrite ? " -mptwrite" : " -mno-ptwrite";
+      const char *avx512bf16 = has_avx512bf16 ? " -mavx512bf16" : " -mno-avx512bf16";
+
       options = concat (options, mmx, mmx3dnow, sse, sse2, sse3, ssse3,
                        sse4a, cx16, sahf, movbe, aes, sha, pclmul,
                        popcnt, abm, lwp, fma, fma4, xop, bmi, sgx, bmi2,
@@ -1134,6 +1177,7 @@ const char *host_detect_local_cpu (int argc, const char **argv)
                        clwb, mwaitx, clzero, pku, rdpid, gfni, shstk,
                        avx512vbmi2, avx512vnni, vaes, vpclmulqdq,
                        avx512bitalg, movdiri, movdir64b, waitpkg, cldemote,
+                       ptwrite, avx512bf16, enqcmd, avx512vp2intersect,
                        NULL);
     }