2005-01-01 Daniel Berlin <dberlin@dberlin.org>

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

diff --git a/gcc/rtlanal.c b/gcc/rtlanal.c
index 594b2e4..1248d47 100644 (file)
--- a/gcc/rtlanal.c
+++ b/gcc/rtlanal.c
@@ -267,7 +267,9 @@ rtx_addr_can_trap_p_1 (rtx x, enum machine_mode mode, bool unaligned_mems)
        {
          HOST_WIDE_INT offset;
 
-         if (!STRICT_ALIGNMENT || !unaligned_mems)
+         if (!STRICT_ALIGNMENT
+             || !unaligned_mems
+             || GET_MODE_SIZE (mode) == 0)
            return 0;
 
          offset = INTVAL (XEXP (x, 1));
@@ -2153,7 +2155,7 @@ may_trap_p_1 (rtx x, bool unaligned_mems)
     case UMOD:
       if (HONOR_SNANS (GET_MODE (x)))
        return 1;
-      if (GET_MODE_CLASS (GET_MODE (x)) == MODE_FLOAT)
+      if (SCALAR_FLOAT_MODE_P (GET_MODE (x)))
        return flag_trapping_math;
       if (!CONSTANT_P (XEXP (x, 1)) || (XEXP (x, 1) == const0_rtx))
        return 1;
@@ -2210,7 +2212,7 @@ may_trap_p_1 (rtx x, bool unaligned_mems)
 
     default:
       /* Any floating arithmetic may trap.  */
-      if (GET_MODE_CLASS (GET_MODE (x)) == MODE_FLOAT
+      if (SCALAR_FLOAT_MODE_P (GET_MODE (x))
          && flag_trapping_math)
        return 1;
     }
@@ -4681,7 +4683,7 @@ canonicalize_condition (rtx insn, rtx cond, int reverse, rtx *earliest,
                                << (GET_MODE_BITSIZE (inner_mode) - 1))))
 #ifdef FLOAT_STORE_FLAG_VALUE
                     || (code == LT
-                        && GET_MODE_CLASS (inner_mode) == MODE_FLOAT
+                        && SCALAR_FLOAT_MODE_P (inner_mode)
                         && (fsfv = FLOAT_STORE_FLAG_VALUE (inner_mode),
                             REAL_VALUE_NEGATIVE (fsfv)))
 #endif
@@ -4701,7 +4703,7 @@ canonicalize_condition (rtx insn, rtx cond, int reverse, rtx *earliest,
                                << (GET_MODE_BITSIZE (inner_mode) - 1))))
 #ifdef FLOAT_STORE_FLAG_VALUE
                     || (code == GE
-                        && GET_MODE_CLASS (inner_mode) == MODE_FLOAT
+                        && SCALAR_FLOAT_MODE_P (inner_mode)
                         && (fsfv = FLOAT_STORE_FLAG_VALUE (inner_mode),
                             REAL_VALUE_NEGATIVE (fsfv)))
 #endif