(lshl_optab): Deleted.

(expand_binop, init_optabs): No longer reference it.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@7019 138bc75d-0d04-0410-961f-82ee72b054a4

diff --git a/gcc/optabs.c b/gcc/optabs.c
index 46eb823..b2a2289 100644 (file)
--- a/gcc/optabs.c
+++ b/gcc/optabs.c
@@ -57,7 +57,6 @@ optab ior_optab;
 optab xor_optab;
 optab ashl_optab;
 optab lshr_optab;
-optab lshl_optab;
 optab ashr_optab;
 optab rotl_optab;
 optab rotr_optab;
@@ -334,7 +333,6 @@ expand_binop (mode, binoptab, op0, op1, target, unsignedp, methods)
   int commutative_op = 0;
   int shift_op = (binoptab->code ==  ASHIFT
                  || binoptab->code == ASHIFTRT
-                 || binoptab->code == LSHIFT
                  || binoptab->code == LSHIFTRT
                  || binoptab->code == ROTATE
                  || binoptab->code == ROTATERT);
@@ -517,8 +515,7 @@ expand_binop (mode, binoptab, op0, op1, target, unsignedp, methods)
            if ((binoptab == ior_optab || binoptab == and_optab
                 || binoptab == xor_optab
                 || binoptab == add_optab || binoptab == sub_optab
-                || binoptab == smul_optab
-                || binoptab == ashl_optab || binoptab == lshl_optab)
+                || binoptab == smul_optab || binoptab == ashl_optab)
                && class == MODE_INT)
              no_extend = 1;
 
@@ -526,8 +523,7 @@ expand_binop (mode, binoptab, op0, op1, target, unsignedp, methods)
 
            /* The second operand of a shift must always be extended.  */
            xop1 = widen_operand (xop1, wider_mode, mode, unsignedp,
-                                 no_extend && binoptab != ashl_optab
-                                 && binoptab != lshl_optab);
+                                 no_extend && binoptab != ashl_optab);
 
            temp = expand_binop (wider_mode, binoptab, xop0, xop1, NULL_RTX,
                                 unsignedp, OPTAB_DIRECT);
@@ -591,8 +587,8 @@ expand_binop (mode, binoptab, op0, op1, target, unsignedp, methods)
     }
 
   /* Synthesize double word shifts from single word shifts.  */
-  if ((binoptab == lshl_optab || binoptab == lshr_optab
-       || binoptab == ashl_optab || binoptab == ashr_optab)
+  if ((binoptab == lshr_optab || binoptab == ashl_optab
+       || binoptab == ashr_optab)
       && class == MODE_INT
       && GET_CODE (op1) == CONST_INT
       && GET_MODE_SIZE (mode) == 2 * UNITS_PER_WORD
@@ -619,7 +615,7 @@ expand_binop (mode, binoptab, op0, op1, target, unsignedp, methods)
         they differ depending on the direction of the shift and
         WORDS_BIG_ENDIAN.  */
 
-      left_shift = (binoptab == ashl_optab || binoptab == lshl_optab);
+      left_shift = binoptab == ashl_optab;
       outof_word = left_shift ^ ! WORDS_BIG_ENDIAN;
 
       outof_target = operand_subword (target, outof_word, 1, mode);
@@ -656,9 +652,6 @@ expand_binop (mode, binoptab, op0, op1, target, unsignedp, methods)
             we must do a logical shift in the opposite direction of the
             desired shift.  */
 
-         /* We use ashl_optab instead of lshl_optab, because ashl is
-            guaranteed to exist, but lshl may or may not exist.  */
-
          reverse_unsigned_shift = (left_shift ? lshr_optab : ashl_optab);
 
          /* For a shift of less than BITS_PER_WORD, to compute the word
@@ -1436,8 +1429,7 @@ expand_binop (mode, binoptab, op0, op1, target, unsignedp, methods)
              if ((binoptab == ior_optab || binoptab == and_optab
                   || binoptab == xor_optab
                   || binoptab == add_optab || binoptab == sub_optab
-                  || binoptab == smul_optab
-                  || binoptab == ashl_optab || binoptab == lshl_optab)
+                  || binoptab == smul_optab || binoptab == ashl_optab)
                  && class == MODE_INT)
                no_extend = 1;
 
@@ -1446,8 +1438,7 @@ expand_binop (mode, binoptab, op0, op1, target, unsignedp, methods)
 
              /* The second operand of a shift must always be extended.  */
              xop1 = widen_operand (xop1, wider_mode, mode, unsignedp,
-                                   no_extend && binoptab != ashl_optab
-                                   && binoptab != lshl_optab);
+                                   no_extend && binoptab != ashl_optab);
 
              temp = expand_binop (wider_mode, binoptab, xop0, xop1, NULL_RTX,
                                   unsignedp, methods);
@@ -3588,7 +3579,6 @@ init_optabs ()
   xor_optab = init_optab (XOR);
   ashl_optab = init_optab (ASHIFT);
   ashr_optab = init_optab (ASHIFTRT);
-  lshl_optab = init_optab (LSHIFT);
   lshr_optab = init_optab (LSHIFTRT);
   rotl_optab = init_optab (ROTATE);
   rotr_optab = init_optab (ROTATERT);
@@ -3654,7 +3644,6 @@ init_optabs ()
   init_integral_libfuncs (xor_optab, "xor", '3');
   init_integral_libfuncs (ashl_optab, "ashl", '3');
   init_integral_libfuncs (ashr_optab, "ashr", '3');
-  init_integral_libfuncs (lshl_optab, "lshl", '3');
   init_integral_libfuncs (lshr_optab, "lshr", '3');
   init_integral_libfuncs (rotl_optab, "rotl", '3');
   init_integral_libfuncs (rotr_optab, "rotr", '3');