* config/h8300/h8300.c (get_shift_alg): Remove redundant code.

From-SVN: r61529

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index d8ef83d524db9b66ce72b8b579f2d91c3be3e2d9..86cc7f0dceb3773a1b40bfed270859a478c4e077 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,7 @@
+2003-01-20  Kazu Hirata  <kazu@cs.umass.edu>
+
+       * config/h8300/h8300.c (get_shift_alg): Remove redundant code.
+
 2003-01-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
 
        * system.h (__NO_STRING_INLINES): Define.

diff --git a/gcc/config/h8300/h8300.c b/gcc/config/h8300/h8300.c
index faa924816ed72c56e9ae92fda02e7165553fd70c..937e76bb98b4d20a429e730fa8ba7f7d1f800c17 100644 (file)
--- a/gcc/config/h8300/h8300.c
+++ b/gcc/config/h8300/h8300.c
@@ -2802,7 +2802,8 @@ get_shift_alg (shift_type, shift_mode, count, info)
              goto end;
            }
        }
-      else if (8 <= count && count <= 13)
+      else if ((8 <= count && count <= 13)
+              || (TARGET_H8300S & count == 14))
        {
          info->remainder = count - 8;
 
@@ -2827,7 +2828,6 @@ get_shift_alg (shift_type, shift_mode, count, info)
                {
                  info->special = "mov.b\t%t0,%s0\n\tbld\t#7,%s0\n\tsubx\t%t0,%t0";
                  info->shift1  = "shar.b\t%s0";
-                 info->shift2  = "shar.b\t#2,%s0";
                }
              else
                {
@@ -2854,7 +2854,7 @@ get_shift_alg (shift_type, shift_mode, count, info)
              else if (TARGET_H8300H)
                info->special = "shll.b\t%t0\n\tsubx.b\t%s0,%s0\n\tshll.b\t%t0\n\trotxl.b\t%s0\n\texts.w\t%T0";
              else /* TARGET_H8300S */
-               info->special = "mov.b\t%t0,%s0\n\texts.w\t%T0\n\tshar.w\t#2,%T0\n\tshar.w\t#2,%T0\n\tshar.w\t#2,%T0";
+               abort ();
              goto end;
            }
        }
@@ -2948,14 +2948,7 @@ get_shift_alg (shift_type, shift_mode, count, info)
            case SHIFT_ASHIFT:
              info->special = "mov.w\t%f0,%e0\n\tsub.w\t%f0,%f0";
              if (TARGET_H8300)
-               {
-                 info->shift1 = "add.w\t%e0,%e0";
-               }
-             else
-               {
-                 info->shift1 = "shll.l\t%S0";
-                 info->shift2 = "shll.l\t#2,%S0";
-               }
+               info->shift1 = "add.w\t%e0,%e0";
              goto end;
            case SHIFT_LSHIFTRT:
              if (TARGET_H8300)
@@ -3010,18 +3003,12 @@ get_shift_alg (shift_type, shift_mode, count, info)
            {
            case SHIFT_ASHIFT:
              info->special = "mov.b\t%s0,%t0\n\tsub.b\t%s0,%s0\n\tmov.w\t%f0,%e0\n\tsub.w\t%f0,%f0";
-             info->shift1  = "shll.l\t%S0";
-             info->shift2  = "shll.l\t#2,%S0";
              goto end;
            case SHIFT_LSHIFTRT:
              info->special = "mov.w\t%e0,%f0\n\tmov.b\t%t0,%s0\n\textu.w\t%f0\n\textu.l\t%S0";
-             info->shift1  = "shlr.l\t%S0";
-             info->shift2  = "shlr.l\t#2,%S0";
              goto end;
            case SHIFT_ASHIFTRT:
              info->special = "mov.w\t%e0,%f0\n\tmov.b\t%t0,%s0\n\texts.w\t%f0\n\texts.l\t%S0";
-             info->shift1  = "shar.l\t%S0";
-             info->shift2  = "shar.l\t#2,%S0";
              goto end;
            }
        }
@@ -3034,16 +3021,12 @@ get_shift_alg (shift_type, shift_mode, count, info)
                info->special = "sub.w\t%e0,%e0\n\trotr.l\t%S0\n\trotr.l\t%S0\n\trotr.l\t%S0\n\trotr.l\t%S0\n\tsub.w\t%f0,%f0";
              else
                info->special = "sub.w\t%e0,%e0\n\trotr.l\t#2,%S0\n\trotr.l\t#2,%S0\n\tsub.w\t%f0,%f0";
-             info->shift1  = "";
-             info->shift2  = "";
              goto end;
            case SHIFT_LSHIFTRT:
              if (TARGET_H8300H)
                info->special = "sub.w\t%f0,%f0\n\trotl.l\t%S0\n\trotl.l\t%S0\n\trotl.l\t%S0\n\trotl.l\t%S0\n\textu.l\t%S0";
              else
                info->special = "sub.w\t%f0,%f0\n\trotl.l\t#2,%S0\n\trotl.l\t#2,%S0\n\textu.l\t%S0";
-             info->shift1  = "";
-             info->shift2  = "";
              goto end;
            case SHIFT_ASHIFTRT:
              abort ();
@@ -3058,16 +3041,12 @@ get_shift_alg (shift_type, shift_mode, count, info)
                info->special = "sub.w\t%e0,%e0\n\trotr.l\t%S0\n\trotr.l\t%S0\n\trotr.l\t%S0\n\tsub.w\t%f0,%f0";
              else
                info->special = "sub.w\t%e0,%e0\n\trotr.l\t#2,%S0\n\trotr.l\t%S0\n\tsub.w\t%f0,%f0";
-             info->shift1  = "";
-             info->shift2  = "";
              goto end;
            case SHIFT_LSHIFTRT:
              if (TARGET_H8300H)
                info->special = "sub.w\t%f0,%f0\n\trotl.l\t%S0\n\trotl.l\t%S0\n\trotl.l\t%S0\n\textu.l\t%S0";
              else
                info->special = "sub.w\t%f0,%f0\n\trotl.l\t#2,%S0\n\trotl.l\t%S0\n\textu.l\t%S0";
-             info->shift1  = "";
-             info->shift2  = "";
              goto end;
            case SHIFT_ASHIFTRT:
              abort ();
@@ -3082,16 +3061,12 @@ get_shift_alg (shift_type, shift_mode, count, info)
                info->special = "sub.w\t%e0,%e0\n\trotr.l\t%S0\n\trotr.l\t%S0\n\tsub.w\t%f0,%f0";
              else
                info->special = "sub.w\t%e0,%e0\n\trotr.l\t#2,%S0\n\tsub.w\t%f0,%f0";
-             info->shift1  = "";
-             info->shift2  = "";
              goto end;
            case SHIFT_LSHIFTRT:
              if (TARGET_H8300H)
                info->special = "sub.w\t%f0,%f0\n\trotl.l\t%S0\n\trotl.l\t%S0\n\textu.l\t%S0";
              else
                info->special = "sub.w\t%f0,%f0\n\trotl.l\t#2,%S0\n\textu.l\t%S0";
-             info->shift1  = "";
-             info->shift2  = "";
              goto end;
            case SHIFT_ASHIFTRT:
              abort ();