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Fix problem with VIEW_CONVERT_EXPR
- From: kenner at vlsi1 dot ultra dot nyu dot edu (Richard Kenner)
- To: gcc-patches at gcc dot gnu dot org
- Date: Sat, 3 May 03 10:35:20 EDT
- Subject: Fix problem with VIEW_CONVERT_EXPR
This obviously-correct change affects Ada only.
Sat May 3 08:30:50 2003 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
* expr.c (expand_expr, case VIEW_CONVERT_EXPR): Don't use
gen_lowpart on non-integer modes
*** gcc/expr.c 3 May 2003 14:25:20 -0000 1.533
--- gcc/expr.c 3 May 2003 14:28:09 -0000
*************** expand_expr (exp, target, tmode, modifie
*** 7960,7969 ****
/* If the input and output modes are both the same, we are done.
! Otherwise, if neither mode is BLKmode and both are within a word, we
! can use gen_lowpart. If neither is true, make sure the operand is
! in memory and convert the MEM to the new mode. */
if (TYPE_MODE (type) == GET_MODE (op0))
;
else if (TYPE_MODE (type) != BLKmode && GET_MODE (op0) != BLKmode
&& GET_MODE_SIZE (TYPE_MODE (type)) <= UNITS_PER_WORD
&& GET_MODE_SIZE (GET_MODE (op0)) <= UNITS_PER_WORD)
--- 7960,7971 ----
/* If the input and output modes are both the same, we are done.
! Otherwise, if neither mode is BLKmode and both are integral and within
! a word, we can use gen_lowpart. If neither is true, make sure the
! operand is in memory and convert the MEM to the new mode. */
if (TYPE_MODE (type) == GET_MODE (op0))
;
else if (TYPE_MODE (type) != BLKmode && GET_MODE (op0) != BLKmode
+ && GET_MODE_CLASS (GET_MODE (op0)) == MODE_INT
+ && GET_MODE_CLASS (TYPE_MODE (type)) == MODE_INT
&& GET_MODE_SIZE (TYPE_MODE (type)) <= UNITS_PER_WORD
&& GET_MODE_SIZE (GET_MODE (op0)) <= UNITS_PER_WORD)