* config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to flag_strength_reduce.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@111786 138bc75d-0d04-0410-961f-82ee72b054a4

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 713be1a..d8ecfa7 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2006-03-06  Nick Clifton  <nickc@redhat.com>
+
+       * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
+       flag_strength_reduce.
+
 2006-03-06  Ben Elliston  <bje@au.ibm.com>
 
        * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and

diff --git a/gcc/config/m32r/m32r.c b/gcc/config/m32r/m32r.c
index e7e1a2d..1134569 100644 (file)
--- a/gcc/config/m32r/m32r.c
+++ b/gcc/config/m32r/m32r.c
@@ -692,6 +692,17 @@ gen_compare (enum rtx_code code, rtx x, rtx y, int need_compare)
        {
        case EQ:
          if (GET_CODE (y) == CONST_INT
+             && UINT16_P (INTVAL (y))          /* Reg equal to small const.  */
+             && y != const0_rtx)
+           {
+             rtx tmp = gen_reg_rtx (SImode);           
+             
+             emit_insn (gen_xorsi3 (tmp, x, GEN_INT (INTVAL (y))));
+             x = tmp;
+             y = const0_rtx;
+           }
+#if 0 /* Removed for miss optimizing at simplify_relational_operation().  */
+         else if (GET_CODE (y) == CONST_INT
              && CMP_INT16_P (INTVAL (y))               /* Reg equal to small const.  */
              && y != const0_rtx)
            {
@@ -701,6 +712,7 @@ gen_compare (enum rtx_code code, rtx x, rtx y, int need_compare)
              x = tmp;
              y = const0_rtx;
            }
+#endif
          else if (CONSTANT_P (y))                      /* Reg equal to const.  */
            {
              rtx tmp = force_reg (GET_MODE (x), y);
@@ -815,6 +827,17 @@ gen_compare (enum rtx_code code, rtx x, rtx y, int need_compare)
       /* Reg/smallconst equal comparison.  */
       if (compare_code == EQ
          && GET_CODE (y) == CONST_INT
+         && UINT16_P (INTVAL (y)))
+       {
+         rtx tmp = gen_reg_rtx (SImode);
+
+         emit_insn (gen_xorsi3 (tmp, x, GEN_INT (INTVAL (y))));
+         return gen_rtx_fmt_ee (code, CCmode, tmp, const0_rtx);
+       }
+      
+#if 0 /* Removed for miss optimizing at simplify_relational_operation().  */
+      if (compare_code == EQ
+         && GET_CODE (y) == CONST_INT
          && CMP_INT16_P (INTVAL (y)))
        {
          rtx tmp = gen_reg_rtx (SImode);
@@ -822,6 +845,7 @@ gen_compare (enum rtx_code code, rtx x, rtx y, int need_compare)
          emit_insn (gen_addsi3 (tmp, x, GEN_INT (-INTVAL (y))));
          return gen_rtx_fmt_ee (code, CCmode, tmp, const0_rtx);
        }
+#endif
       
       /* Reg/const equal comparison.  */
       if (compare_code == EQ