re PR target/65407 (Extra mask register move in gcc.target/i386/avx512f-kandnw-1.c)

2015-03-27  Vladimir Makarov  <vmakarov@redhat.com>

	PR target/65407
	* ira-costs.c (record_reg_classes): Process all constraint string
	containing 0-9.

2015-03-27  Vladimir Makarov  <vmakarov@redhat.com>

	PR target/65407
	* gcc.target/i386/avx512f-kandnw-1.c: Add scanning kmovw.

From-SVN: r221734

gcc/ChangeLog

+2015-03-27  Vladimir Makarov  <vmakarov@redhat.com>
+
+	PR target/65407
+	* ira-costs.c (record_reg_classes): Process all constraint string
+	containing 0-9.
+
 2015-03-27  Bernd Schmidt  <bernds@codesourcery.com>
 
 	* config/c6x/c6x.md (movmisalign<mode>): Use MEM_P, not

gcc/ira-costs.c

@@ -589,7 +589,7 @@ record_reg_classes (int n_alts, int n_ops, rtx *ops,
 	  while (*p == '%' || *p == '=' || *p == '+' || *p == '&')
 	    p++;
 
-	  if (p[0] >= '0' && p[0] <= '0' + i && (p[1] == ',' || p[1] == 0))
+	  if (p[0] >= '0' && p[0] <= '0' + i)
 	    {
 	      /* Copy class and whether memory is allowed from the
 		 matching alternative.  Then perform any needed cost
@@ -754,14 +754,7 @@ record_reg_classes (int n_alts, int n_ops, rtx *ops,
 		      && ! find_reg_note (insn, REG_DEAD, op))
 		    alt_cost += 2;
 
-		  /* This is in place of ordinary cost computation for
-		     this operand, so skip to the end of the
-		     alternative (should be just one character).  */
-		  while (*p && *p++ != ',')
-		    ;
-
-		  constraints[i] = p;
-		  continue;
+		  p++;
 		}
 	    }
 

gcc/testsuite/ChangeLog

+2015-03-27  Vladimir Makarov  <vmakarov@redhat.com>
+
+	PR target/65407
+	* gcc.target/i386/avx512f-kandnw-1.c: Add scanning kmovw.
+
 2015-03-27  Andre Vehreschild  <vehre@gmx.de>
 
 	* gfortran.dg/unlimited_polymorphic_24.f03: Added copyright

gcc/testsuite/gcc.target/i386/avx512f-kandnw-1.c

 /* { dg-do compile } */
 /* { dg-options "-mavx512f -O2" } */
 /* { dg-final { scan-assembler-times "kandnw\[ \\t\]+\[^\{\n\]*%k\[0-7\](?:\n|\[ \\t\]+#)" 1 } } */
+/* { dg-final { scan-assembler-times "kmovw" 2 } } */
 
 #include <immintrin.h>