Add SSE5 vector shift/rotate; Update SSE5 vector multiply

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@135304 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 23 insertions, 5 deletions

diff --git a/gcc/expmed.c b/gcc/expmed.c
index 5268b318f8d..ab5057a9e8f 100644
--- a/gcc/expmed.c
+++ b/gcc/expmed.c
@@ -2044,14 +2044,32 @@ expand_shift (enum tree_code code, enum machine_mode mode, rtx shifted,
   rtx op1, temp = 0;
   int left = (code == LSHIFT_EXPR || code == LROTATE_EXPR);
   int rotate = (code == LROTATE_EXPR || code == RROTATE_EXPR);
+  optab lshift_optab = ashl_optab;
+  optab rshift_arith_optab = ashr_optab;
+  optab rshift_uns_optab = lshr_optab;
+  optab lrotate_optab = rotl_optab;
+  optab rrotate_optab = rotr_optab;
+  enum machine_mode op1_mode;
   int try;
 
+  op1 = expand_normal (amount);
+  op1_mode = GET_MODE (op1);
+
+  /* Determine whether the shift/rotate amount is a vector, or scalar.  If the
+     shift amount is a vector, use the vector/vector shift patterns.  */
+  if (VECTOR_MODE_P (mode) && VECTOR_MODE_P (op1_mode))
+    {
+      lshift_optab = vashl_optab;
+      rshift_arith_optab = vashr_optab;
+      rshift_uns_optab = vlshr_optab;
+      lrotate_optab = vrotl_optab;
+      rrotate_optab = vrotr_optab;
+    }
+
   /* Previously detected shift-counts computed by NEGATE_EXPR
      and shifted in the other direction; but that does not work
      on all machines.  */
 
-  op1 = expand_normal (amount);
-
   if (SHIFT_COUNT_TRUNCATED)
     {
       if (GET_CODE (op1) == CONST_INT
@@ -2141,12 +2159,12 @@ expand_shift (enum tree_code code, enum machine_mode mode, rtx shifted,
 	    }
 
 	  temp = expand_binop (mode,
-			       left ? rotl_optab : rotr_optab,
+			       left ? lrotate_optab : rrotate_optab,
 			       shifted, op1, target, unsignedp, methods);
 	}
       else if (unsignedp)
 	temp = expand_binop (mode,
-			     left ? ashl_optab : lshr_optab,
+			     left ? lshift_optab : rshift_uns_optab,
 			     shifted, op1, target, unsignedp, methods);
 
       /* Do arithmetic shifts.
@@ -2165,7 +2183,7 @@ expand_shift (enum tree_code code, enum machine_mode mode, rtx shifted,
 	  /* Arithmetic shift */
 
 	  temp = expand_binop (mode,
-			       left ? ashl_optab : ashr_optab,
+			       left ? lshift_optab : rshift_arith_optab,
 			       shifted, op1, target, unsignedp, methods1);
 	}