===================================================================
@@ -402,14 +402,16 @@
operands[6] = msp430_subreg (HImode, operands[0], SImode, 2);
operands[7] = msp430_subreg (HImode, operands[1], SImode, 2);
operands[8] = msp430_subreg (HImode, operands[2], SImode, 2);
+
+ /* BZ 64160: Do not use this splitter when the dest partially overlaps the source. */
+ if (reg_overlap_mentioned_p (operands[3], operands[7])
+ || reg_overlap_mentioned_p (operands[3], operands[8]))
+ FAIL;
+
if (GET_CODE (operands[5]) == CONST_INT)
- {
- operands[9] = GEN_INT (INTVAL (operands[5]) & 0xffff);
- }
+ operands[9] = GEN_INT (INTVAL (operands[5]) & 0xffff);
else
- {
- operands[9] = gen_rtx_ZERO_EXTEND (SImode, operands[5]);
- }
+ operands[9] = gen_rtx_ZERO_EXTEND (SImode, operands[5]);
"
)