Fixed g++.dg/ext/mv16.C with -march=native.

gcc/
	PR target/84331
	* gcc/config.gcc: Support "skylake".
	* gcc/config/i386/i386-c.c (ix86_target_macros_internal): Handle
	PROCESSOR_SKYLAKE.
	* gcc/config/i386/i386.c (m_SKYLAKE): Define.
	(processor_target_table): Add "skylake".
	(ix86_option_override_internal): Add "skylake".
	(get_builtin_code_for_version): Handle PROCESSOR_SKYLAKE,
	PROCESSOR_CANNONLAKE.
	(get_builtin_code_for_version): Fix priority for
	PROCESSOR_ICELAKE_CLIENT, PROCESSOR_ICELAKE_SERVER,
	PROCESSOR_SKYLAKE-AVX512.
	* gcc/config/i386/i386.h (processor_costs): Define TARGET_SKYLAKE.
	(processor_type): Add PROCESSOR_SKYLAKE.

gcc/testsuite/
	PR target/84331
	* gcc/testsuite/gcc.target/i386/funcspec-56.inc: Test arch=skylake.

From-SVN: r259399

7 files changed, 52 insertions, 14 deletions

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 3a82dfe..8cc7a6b 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,20 @@
+2018-04-16  Olga Makhotina  <olga.makhotina@intel.com>
+
+	PR target/84331
+	* gcc/config.gcc: Support "skylake".
+	* gcc/config/i386/i386-c.c (ix86_target_macros_internal): Handle
+	PROCESSOR_SKYLAKE.
+	* gcc/config/i386/i386.c (m_SKYLAKE): Define.
+	(processor_target_table): Add "skylake".
+	(ix86_option_override_internal): Add "skylake".
+	(get_builtin_code_for_version): Handle PROCESSOR_SKYLAKE,
+	PROCESSOR_CANNONLAKE.
+	(get_builtin_code_for_version): Fix priority for
+	PROCESSOR_ICELAKE_CLIENT, PROCESSOR_ICELAKE_SERVER,
+	PROCESSOR_SKYLAKE-AVX512.
+	* gcc/config/i386/i386.h (processor_costs): Define TARGET_SKYLAKE.
+	(processor_type): Add PROCESSOR_SKYLAKE.
+	
 2018-04-16  Paolo Carlini  <paolo.carlini@oracle.com>
 	    Jason Merrill  <jason@redhat.com>
 
diff --git a/gcc/config.gcc b/gcc/config.gcc
index 55c314a..787d8f4 100644
--- a/gcc/config.gcc
+++ b/gcc/config.gcc
@@ -637,7 +637,7 @@ x86_64_archs="amdfam10 athlon64 athlon64-sse3 barcelona bdver1 bdver2 \
 bdver3 bdver4 znver1 btver1 btver2 k8 k8-sse3 opteron opteron-sse3 nocona \
 core2 corei7 corei7-avx core-avx-i core-avx2 atom slm nehalem westmere \
 sandybridge ivybridge haswell broadwell bonnell silvermont knl knm \
-skylake-avx512 cannonlake icelake-client icelake-server x86-64 native"
+skylake-avx512 cannonlake icelake-client icelake-server skylake x86-64 native"
 
 # Additional x86 processors supported by --with-cpu=.  Each processor
 # MUST be separated by exactly one space.
diff --git a/gcc/config/i386/i386-c.c b/gcc/config/i386/i386-c.c
index 6c50e20..2e0e9f6 100644
--- a/gcc/config/i386/i386-c.c
+++ b/gcc/config/i386/i386-c.c
@@ -182,6 +182,10 @@ ix86_target_macros_internal (HOST_WIDE_INT isa_flag,
       def_or_undef (parse_in, "__knm");
       def_or_undef (parse_in, "__knm__");
       break;
+    case PROCESSOR_SKYLAKE:
+      def_or_undef (parse_in, "__skylake");
+      def_or_undef (parse_in, "__skylake__");
+      break;
     case PROCESSOR_SKYLAKE_AVX512:
       def_or_undef (parse_in, "__skylake_avx512");
       def_or_undef (parse_in, "__skylake_avx512__");
@@ -313,6 +317,9 @@ ix86_target_macros_internal (HOST_WIDE_INT isa_flag,
     case PROCESSOR_KNM:
       def_or_undef (parse_in, "__tune_knm__");
       break;
+    case PROCESSOR_SKYLAKE:
+      def_or_undef (parse_in, "__tune_skylake__");
+      break;
     case PROCESSOR_SKYLAKE_AVX512:
       def_or_undef (parse_in, "__tune_skylake_avx512__");
       break;
diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c
index 99ac84e..b62fdad 100644
--- a/gcc/config/i386/i386.c
+++ b/gcc/config/i386/i386.c
@@ -144,6 +144,7 @@ const struct processor_costs *ix86_cost = NULL;
 #define m_SILVERMONT (HOST_WIDE_INT_1U<<PROCESSOR_SILVERMONT)
 #define m_KNL (HOST_WIDE_INT_1U<<PROCESSOR_KNL)
 #define m_KNM (HOST_WIDE_INT_1U<<PROCESSOR_KNM)
+#define m_SKYLAKE (HOST_WIDE_INT_1U<<PROCESSOR_SKYLAKE)
 #define m_SKYLAKE_AVX512 (HOST_WIDE_INT_1U<<PROCESSOR_SKYLAKE_AVX512)
 #define m_CANNONLAKE (HOST_WIDE_INT_1U<<PROCESSOR_CANNONLAKE)
 #define m_ICELAKE_CLIENT (HOST_WIDE_INT_1U<<PROCESSOR_ICELAKE_CLIENT)
@@ -859,6 +860,7 @@ static const struct ptt processor_target_table[PROCESSOR_max] =
   {"silvermont", &slm_cost, 16, 15, 16, 7, 16},
   {"knl", &slm_cost, 16, 15, 16, 7, 16},
   {"knm", &slm_cost, 16, 15, 16, 7, 16},
+  {"skylake", &skylake_cost, 16, 10, 16, 10, 16},
   {"skylake-avx512", &skylake_cost, 16, 10, 16, 10, 16},
   {"cannonlake", &skylake_cost, 16, 10, 16, 10, 16},
   {"icelake-client", &skylake_cost, 16, 10, 16, 10, 16},
@@ -3544,10 +3546,10 @@ ix86_option_override_internal (bool main_args_p,
       {"haswell", PROCESSOR_HASWELL, CPU_HASWELL, PTA_HASWELL},
       {"core-avx2", PROCESSOR_HASWELL, CPU_HASWELL, PTA_HASWELL},
       {"broadwell", PROCESSOR_HASWELL, CPU_HASWELL, PTA_BROADWELL},
-      {"skylake", PROCESSOR_HASWELL, CPU_HASWELL, PTA_SKYLAKE},
+      {"skylake", PROCESSOR_SKYLAKE, CPU_HASWELL, PTA_SKYLAKE},
       {"skylake-avx512", PROCESSOR_SKYLAKE_AVX512, CPU_HASWELL,
         PTA_SKYLAKE_AVX512},
-      {"cannonlake", PROCESSOR_SKYLAKE_AVX512, CPU_HASWELL, PTA_CANNONLAKE},
+      {"cannonlake", PROCESSOR_CANNONLAKE, CPU_HASWELL, PTA_CANNONLAKE},
       {"icelake-client", PROCESSOR_ICELAKE_CLIENT, CPU_HASWELL,
 	PTA_ICELAKE_CLIENT},
       {"icelake-server", PROCESSOR_ICELAKE_SERVER, CPU_HASWELL,
@@ -32369,27 +32371,31 @@ get_builtin_code_for_version (tree decl, tree *predicate_list)
 	      priority = P_PROC_AVX;
 	      break;
 	    case PROCESSOR_HASWELL:
-	    case PROCESSOR_SKYLAKE_AVX512:
-	      if (new_target->x_ix86_isa_flags
-			& OPTION_MASK_ISA_AVX512VBMI)
-		arg_str = "cannonlake";
-	      else if (new_target->x_ix86_isa_flags & OPTION_MASK_ISA_AVX512VL)
-	        arg_str = "skylake-avx512";
-	      else if (new_target->x_ix86_isa_flags & OPTION_MASK_ISA_XSAVES)
-	        arg_str = "skylake";
-	      else if (new_target->x_ix86_isa_flags & OPTION_MASK_ISA_ADX)
+	      if (new_target->x_ix86_isa_flags & OPTION_MASK_ISA_ADX)
 		arg_str = "broadwell";
 	      else
 		arg_str = "haswell";
 	      priority = P_PROC_AVX2;
 	      break;
+	    case PROCESSOR_SKYLAKE:
+	      arg_str = "skylake";
+	      priority = P_PROC_AVX2;
+	      break;
+	    case PROCESSOR_SKYLAKE_AVX512:
+	      arg_str = "skylake-avx512";
+	      priority = P_PROC_AVX512F;
+	      break;
+	    case PROCESSOR_CANNONLAKE:
+	      arg_str = "cannonlake";
+	      priority = P_PROC_AVX512F;
+	      break;
 	    case PROCESSOR_ICELAKE_CLIENT:
 	      arg_str = "icelake-client";
-	      priority = P_PROC_AVX2;
+	      priority = P_PROC_AVX512F;
 	      break;
 	    case PROCESSOR_ICELAKE_SERVER:
 	      arg_str = "icelake-server";
-	      priority = P_PROC_AVX2;
+	      priority = P_PROC_AVX512F;
 	      break;
 	    case PROCESSOR_BONNELL:
 	      arg_str = "bonnell";
diff --git a/gcc/config/i386/i386.h b/gcc/config/i386/i386.h
index c7f9b45..c9f19b6 100644
--- a/gcc/config/i386/i386.h
+++ b/gcc/config/i386/i386.h
@@ -385,6 +385,7 @@ extern const struct processor_costs ix86_size_cost;
 #define TARGET_SILVERMONT (ix86_tune == PROCESSOR_SILVERMONT)
 #define TARGET_KNL (ix86_tune == PROCESSOR_KNL)
 #define TARGET_KNM (ix86_tune == PROCESSOR_KNM)
+#define TARGET_SKYLAKE (ix86_tune == PROCESSOR_SKYLAKE)
 #define TARGET_SKYLAKE_AVX512 (ix86_tune == PROCESSOR_SKYLAKE_AVX512)
 #define TARGET_CANNONLAKE (ix86_tune == PROCESSOR_CANNONLAKE)
 #define TARGET_ICELAKE_CLIENT (ix86_tune == PROCESSOR_ICELAKE_CLIENT)
@@ -2267,6 +2268,7 @@ enum processor_type
   PROCESSOR_SILVERMONT,
   PROCESSOR_KNL,
   PROCESSOR_KNM,
+  PROCESSOR_SKYLAKE,
   PROCESSOR_SKYLAKE_AVX512,
   PROCESSOR_CANNONLAKE,
   PROCESSOR_ICELAKE_CLIENT,
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 8806b95..1aa8476 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2018-04-16  Olga Makhotina  <olga.makhotina@intel.com>
+
+	PR target/84331
+	* gcc/testsuite/gcc.target/i386/funcspec-56.inc: Test arch=skylake.
+
 2018-04-16  Paolo Carlini  <paolo.carlini@oracle.com>
 	    Jason Merrill  <jason@redhat.com>
 
diff --git a/gcc/testsuite/gcc.target/i386/funcspec-56.inc b/gcc/testsuite/gcc.target/i386/funcspec-56.inc
index 35b287a..4636631 100644
--- a/gcc/testsuite/gcc.target/i386/funcspec-56.inc
+++ b/gcc/testsuite/gcc.target/i386/funcspec-56.inc
@@ -143,6 +143,7 @@ extern void test_arch_corei7_avx (void)		__attribute__((__target__("arch=corei7-
 extern void test_arch_core_avx2 (void)		__attribute__((__target__("arch=core-avx2")));
 extern void test_arch_knl (void)		__attribute__((__target__("arch=knl")));
 extern void test_arch_knm (void)		__attribute__((__target__("arch=knm")));
+extern void test_arch_skylake (void)		__attribute__((__target__("arch=skylake")));
 extern void test_arch_skylake_avx512 (void)	__attribute__((__target__("arch=skylake-avx512")));
 extern void test_arch_cannonlake (void)		__attribute__((__target__("arch=cannonlake")));
 extern void test_arch_icelake_client (void)	__attribute__((__target__("arch=icelake-client")));