* config/avr/avr.h (PREFERRED_RELOAD_CLASS): Remove.

[pf3gnuchains/gcc-fork.git] / gcc / expmed.c

diff --git a/gcc/expmed.c b/gcc/expmed.c
index 186cf01..9aa5ff6 100644 (file)
--- a/gcc/expmed.c
+++ b/gcc/expmed.c
@@ -69,13 +69,6 @@ static rtx expand_sdiv_pow2 (enum machine_mode, rtx, HOST_WIDE_INT);
 #define SLOW_UNALIGNED_ACCESS(MODE, ALIGN) STRICT_ALIGNMENT
 #endif
 
-/* For compilers that support multiple targets with different word sizes,
-   MAX_BITS_PER_WORD contains the biggest value of BITS_PER_WORD.  An example
-   is the H8/300(H) compiler.  */
-
-#ifndef MAX_BITS_PER_WORD
-#define MAX_BITS_PER_WORD BITS_PER_WORD
-#endif
 
 /* Reduce conditional compilation elsewhere.  */
 #ifndef HAVE_insv
@@ -2911,9 +2904,11 @@ expand_mult_const (enum machine_mode mode, rtx op0, HOST_WIDE_INT val,
       switch (alg->op[opno])
        {
        case alg_shift:
-         accum = expand_shift (LSHIFT_EXPR, mode, accum,
-                               build_int_cst (NULL_TREE, log),
-                               NULL_RTX, 0);
+         tem = expand_shift (LSHIFT_EXPR, mode, accum,
+                             build_int_cst (NULL_TREE, log),
+                             NULL_RTX, 0);
+         /* REG_EQUAL note will be attached to the following insn.  */
+         emit_move_insn (accum, tem);
          val_so_far <<= log;
          break;
 
@@ -4071,10 +4066,8 @@ expand_divmod (int rem_flag, enum tree_code code, enum machine_mode mode,
                            t2 = force_operand (gen_rtx_MINUS (compute_mode,
                                                               op0, t1),
                                                NULL_RTX);
-                           t3 = expand_shift
-                             (RSHIFT_EXPR, compute_mode, t2,
-                              build_int_cst (NULL_TREE, 1),
-                              NULL_RTX,1);
+                           t3 = expand_shift (RSHIFT_EXPR, compute_mode, t2,
+                                              integer_one_node, NULL_RTX, 1);
                            t4 = force_operand (gen_rtx_PLUS (compute_mode,
                                                              t1, t3),
                                                NULL_RTX);
@@ -4758,8 +4751,7 @@ expand_divmod (int rem_flag, enum tree_code code, enum machine_mode mode,
              }
            tem = plus_constant (op1, -1);
            tem = expand_shift (RSHIFT_EXPR, compute_mode, tem,
-                               build_int_cst (NULL_TREE, 1),
-                               NULL_RTX, 1);
+                               integer_one_node, NULL_RTX, 1);
            do_cmp_and_jump (remainder, tem, LEU, compute_mode, label);
            expand_inc (quotient, const1_rtx);
            expand_dec (remainder, op1);
@@ -4784,8 +4776,7 @@ expand_divmod (int rem_flag, enum tree_code code, enum machine_mode mode,
            abs_rem = expand_abs (compute_mode, remainder, NULL_RTX, 1, 0);
            abs_op1 = expand_abs (compute_mode, op1, NULL_RTX, 1, 0);
            tem = expand_shift (LSHIFT_EXPR, compute_mode, abs_rem,
-                               build_int_cst (NULL_TREE, 1),
-                               NULL_RTX, 1);
+                               integer_one_node, NULL_RTX, 1);
            do_cmp_and_jump (tem, abs_op1, LTU, compute_mode, label);
            tem = expand_binop (compute_mode, xor_optab, op0, op1,
                                NULL_RTX, 0, OPTAB_WIDEN);