i386-options.c (ix86_omp_device_kind_arch_isa): Don't change sse4.2 to sse4_2 and sse4.1 to sse4.1.

	* config/i386/i386-options.c (ix86_omp_device_kind_arch_isa): Don't
	change sse4.2 to sse4_2 and sse4.1 to sse4.1.
	* config/i386/t-omp-device (omp-device-properties-i386): Likewise.

	* c-c++-common/gomp/declare-variant-11.c: Add "sse4.2" and "sse4.1"
	test.

From-SVN: r278205

gcc/ChangeLog

 2019-11-14  Jakub Jelinek  <jakub@redhat.com>
 
+	* config/i386/i386-options.c (ix86_omp_device_kind_arch_isa): Don't
+	change sse4.2 to sse4_2 and sse4.1 to sse4.1.
+	* config/i386/t-omp-device (omp-device-properties-i386): Likewise.
+
 	* omp-general.c (omp_context_name_list_prop): New function.
 	(omp_context_selector_matches): Use it.  Return 0 if it returns
 	NULL.

gcc/config/i386/i386-options.c

@@ -316,19 +316,13 @@ ix86_omp_device_kind_arch_isa (enum omp_device_kind_arch_isa trait,
 	  HOST_WIDE_INT mask = i ? ix86_isa_flags2 : ix86_isa_flags;
 	  for (size_t n = 0; n < nopts; n++)
 	    {
-	      const char *option = opts[n].option + 2;
-	      /* -msse4.2 and -msse4.1 options contain dot, which is not valid
-		 in identifiers.  Use underscore instead, and handle sse4
-		 as an alias to sse4_2.  */
+	      /* Handle sse4 as an alias to sse4.2.  */
 	      if (opts[n].mask == OPTION_MASK_ISA_SSE4_2)
 		{
-		  option = "sse4_2";
 		  if (strcmp (name, "sse4") == 0)
 		    return (mask & opts[n].mask) != 0 ? 1 : -1;
 		}
-	      else if (opts[n].mask == OPTION_MASK_ISA_SSE4_1)
-		option = "sse4_1";
-	      if (strcmp (name, option) == 0)
+	      if (strcmp (name, opts[n].option + 2) == 0)
 		return (mask & opts[n].mask) != 0 ? 1 : -1;
 	    }
 	}

gcc/config/i386/t-omp-device

@@ -3,4 +3,4 @@ omp-device-properties-i386: $(srcdir)/config/i386/i386-options.c
 	echo arch: x86 x86_64 i386 i486 i586 i686 ia32 >> $@
 	echo isa: sse4 `sed -n '/^static struct ix86_target_opts isa2\?_opts\[\] =/,/^};/p' \
 	  $(srcdir)/config/i386/i386-options.c | \
-	  sed -n 's/",.*$$//;s/\./_/;s/^  { "-m//p'` >> $@
+	  sed -n 's/",.*$$//;s/^  { "-m//p'` >> $@

gcc/testsuite/ChangeLog

 2019-11-14  Jakub Jelinek  <jakub@redhat.com>
 
+	* c-c++-common/gomp/declare-variant-11.c: Add "sse4.2" and "sse4.1"
+	test.
+
 	* c-c++-common/gomp/declare-variant-2.c: Add test for non-integral
 	score and for negative score.
 	* c-c++-common/gomp/declare-variant-3.c: Add test for zero score.

gcc/testsuite/c-c++-common/gomp/declare-variant-11.c

@@ -14,7 +14,7 @@ void f05 (void);
 void f06 (void);
 void f07 (void);
 void f08 (void);
-#pragma omp declare variant (f07) match (device={isa(sse4,sse3,"avx")})
+#pragma omp declare variant (f07) match (device={isa(sse4,"sse4.1","sse4.2",sse3,"avx")})
 #pragma omp declare variant (f08) match (device={isa("avx",sse3)})
 void f09 (void);
 void f10 (void);