+2012-04-25 Jakub Jelinek <jakub@redhat.com>
+
+ PR target/53110
+ * config/i386/i386.md (and<mode>3): For andq $0xffffffff, reg
+ instead expand it as zero extension.
+
2012-04-25 H.J. Lu <hongjiu.lu@intel.com>
PR debug/52857
(and:SWIM (match_operand:SWIM 1 "nonimmediate_operand")
(match_operand:SWIM 2 "<general_szext_operand>")))]
""
- "ix86_expand_binary_operator (AND, <MODE>mode, operands); DONE;")
+{
+ if (<MODE>mode == DImode
+ && GET_CODE (operands[2]) == CONST_INT
+ && INTVAL (operands[2]) == (HOST_WIDE_INT) 0xffffffff
+ && REG_P (operands[1]))
+ emit_insn (gen_zero_extendsidi2 (operands[0],
+ gen_lowpart (SImode, operands[1])));
+ else
+ ix86_expand_binary_operator (AND, <MODE>mode, operands);
+ DONE;
+})
(define_insn "*anddi_1"
[(set (match_operand:DI 0 "nonimmediate_operand" "=r,rm,r,r")