Remove write-only assignment in rs6000-tdep.c

The result of this memory read is never used, so it can be removed.

gdb/ChangeLog:

	* rs6000-tdep.c (ppc_deal_with_atomic_sequence): Remove
	write-only assignment to "insn" variable.

diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index dc6406a..4f2c5c3 100644 (file)
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,8 @@
+2017-12-20  Uros Bizjak  <ubizjak@gmail.com>
+
+       * rs6000-tdep.c (ppc_deal_with_atomic_sequence): Remove
+       write-only assignment to "insn" variable.
+
 2017-12-20  Ulrich Weigand  <uweigand@de.ibm.com>
 
        * spu-tdep.c (spu_gdbarch_init): Set set_gdbarch_significant_addr_bit

diff --git a/gdb/rs6000-tdep.c b/gdb/rs6000-tdep.c
index 456dbcc..5d0ff1d 100644 (file)
--- a/gdb/rs6000-tdep.c
+++ b/gdb/rs6000-tdep.c
@@ -1226,7 +1226,6 @@ ppc_deal_with_atomic_sequence (struct regcache *regcache)
 
   closing_insn = loc;
   loc += PPC_INSN_SIZE;
-  insn = read_memory_integer (loc, PPC_INSN_SIZE, byte_order);
 
   /* Insert a breakpoint right after the end of the atomic sequence.  */
   breaks[0] = loc;