PR optimization/13424 (hppa), bootstrap/14462, c/14828

[pf3gnuchains/gcc-fork.git] / gcc / emit-rtl.c

diff --git a/gcc/emit-rtl.c b/gcc/emit-rtl.c
index 8d8ead1..9a5533c 100644 (file)
--- a/gcc/emit-rtl.c
+++ b/gcc/emit-rtl.c
@@ -1504,7 +1504,7 @@ set_mem_attributes_minus_bitpos (rtx ref, tree t, int objectp,
   MEM_IN_STRUCT_P (ref) = AGGREGATE_TYPE_P (type);
   RTX_UNCHANGING_P (ref)
     |= ((lang_hooks.honor_readonly
-        && (TYPE_READONLY (type) || TREE_READONLY (t)))
+        && (TYPE_READONLY (type) || (t != type && TREE_READONLY (t))))
        || (! TYPE_P (t) && TREE_CONSTANT (t)));
   MEM_POINTER (ref) = POINTER_TYPE_P (type);
 
@@ -4751,7 +4751,7 @@ emit (rtx x)
 }
 \f
 /* Space for free sequence stack entries.  */
-static GTY ((deletable (""))) struct sequence_stack *free_sequence_stack;
+static GTY ((deletable)) struct sequence_stack *free_sequence_stack;
 
 /* Begin emitting insns to a sequence which can be packaged in an
    RTL_EXPR.  If this sequence will contain something that might cause
@@ -5313,7 +5313,7 @@ init_emit_once (int line_numbers)
   REAL_VALUE_FROM_INT (dconstm2, -2, -1, double_mode);
 
   dconsthalf = dconst1;
-  dconsthalf.exp--;
+  SET_REAL_EXP (&dconsthalf, REAL_EXP (&dconsthalf) - 1);
 
   real_arithmetic (&dconstthird, RDIV_EXPR, &dconst1, &dconst3);
 
@@ -5483,7 +5483,7 @@ emit_copy_of_insn_after (rtx insn, rtx after)
   return new;
 }
 
-static GTY((deletable(""))) rtx hard_reg_clobbers [NUM_MACHINE_MODES][FIRST_PSEUDO_REGISTER];
+static GTY((deletable)) rtx hard_reg_clobbers [NUM_MACHINE_MODES][FIRST_PSEUDO_REGISTER];
 rtx
 gen_hard_reg_clobber (enum machine_mode mode, unsigned int regno)
 {