bpf: remove unused variables from bpf_expand_{prologue,epilogue}

gcc/ChangeLog:

	* config/bpf/bpf.cc (bpf_expand_prologue): Remove unused automatic
	`insn'.
	(bpf_expand_epilogue): Likewise.

diff --git a/gcc/config/bpf/bpf.cc b/gcc/config/bpf/bpf.cc
index 9cb56cfb287565e7712af681d225b71e5e46e637..51055651707499198d639ccb1db8c322ce6d16e3 100644 (file)
--- a/gcc/config/bpf/bpf.cc
+++ b/gcc/config/bpf/bpf.cc
@@ -428,7 +428,6 @@ bpf_compute_frame_layout (void)
 void
 bpf_expand_prologue (void)
 {
-  rtx insn;
   HOST_WIDE_INT size;
 
   size = (cfun->machine->local_vars_size
@@ -468,7 +467,7 @@ bpf_expand_prologue (void)
                                       plus_constant (DImode,
                                                      hard_frame_pointer_rtx,
                                                      fp_offset - 8));
-                 insn = emit_move_insn (mem, gen_rtx_REG (DImode, regno));
+                 emit_move_insn (mem, gen_rtx_REG (DImode, regno));
                  fp_offset -= 8;
                }
            }
@@ -481,15 +480,15 @@ bpf_expand_prologue (void)
      accessor.  */
   if (cfun->calls_alloca)
     {
-      insn = emit_move_insn (stack_pointer_rtx,
-                            hard_frame_pointer_rtx);
+      emit_move_insn (stack_pointer_rtx,
+                      hard_frame_pointer_rtx);
 
       if (size > 0)
        {
-         insn = emit_insn (gen_rtx_SET (stack_pointer_rtx,
-                                        gen_rtx_PLUS (Pmode,
-                                                      stack_pointer_rtx,
-                                                      GEN_INT (-size))));
+         emit_insn (gen_rtx_SET (stack_pointer_rtx,
+                                  gen_rtx_PLUS (Pmode,
+                                                stack_pointer_rtx,
+                                                GEN_INT (-size))));
        }
     }
 }
@@ -504,7 +503,6 @@ bpf_expand_epilogue (void)
      not restoring callee-saved registers in BPF.  */
   if (TARGET_XBPF)
     {
-      rtx insn;
       int regno;
       int fp_offset = -cfun->machine->local_vars_size;
 
@@ -528,7 +526,7 @@ bpf_expand_epilogue (void)
                                       plus_constant (DImode,
                                                      hard_frame_pointer_rtx,
                                                      fp_offset - 8));
-                 insn = emit_move_insn (gen_rtx_REG (DImode, regno), mem);
+                 emit_move_insn (gen_rtx_REG (DImode, regno), mem);
                  fp_offset -= 8;
                }
            }