+2007-04-16 H.J. Lu <hongjiu.lu@intel.com>
+
+ PR target/31582
+ * config/i386/i386.c (ix86_expand_vec_set_builtin): Make a
+ copy of source, pass it to ix86_expand_vector_set and return
+ it as target.
+
2007-04-16 David Ung <davidu@mips.com>
- Joseph Myers <joseph@codesourcery.com>
+ Joseph Myers <joseph@codesourcery.com>
* config/mips/mips.h (PROCESSOR_74KC, PROCESSOR_74KF,
PROCESSOR_74KX, TUNE_74K, GENERATE_MADD_MSUB): Define.
enum machine_mode tmode, mode1;
tree arg0, arg1, arg2;
int elt;
- rtx op0, op1;
+ rtx op0, op1, target;
arg0 = CALL_EXPR_ARG (exp, 0);
arg1 = CALL_EXPR_ARG (exp, 1);
op0 = force_reg (tmode, op0);
op1 = force_reg (mode1, op1);
- ix86_expand_vector_set (true, op0, op1, elt);
+ /* OP0 is the source of these builtin functions and shouldn't be
+ modifified. Create a copy, use it and return it as target. */
+ target = gen_reg_rtx (tmode);
+ emit_move_insn (target, op0);
+ ix86_expand_vector_set (true, target, op1, elt);
- return op0;
+ return target;
}
/* Expand an expression EXP that calls a built-in function,