[RFA,v2,06/13] Remove dead code from m32c-tdep.c

Message ID 20180721184720.3263-7-tom@tromey.com
State New, archived
Headers

Commit Message

Tom Tromey July 21, 2018, 6:47 p.m. UTC
  This removes some unused declarations from m32c-tdep.c.  Initially I
had thought that this entire code block was dead, but Simon pointed
out that it is not; so this patch simply removes some declarations.

gdb/ChangeLog
2018-07-21  Tom Tromey  <tom@tromey.com>

	* m32c-tdep.c (mark_dma): Return void.
	(make_regs): Remove unused declarations.
---
 gdb/ChangeLog   |  5 +++++
 gdb/m32c-tdep.c | 25 ++++++++++++-------------
 2 files changed, 17 insertions(+), 13 deletions(-)
  

Comments

Simon Marchi July 22, 2018, 2:10 a.m. UTC | #1
On 2018-07-21 02:47 PM, Tom Tromey wrote:
> This removes some unused declarations from m32c-tdep.c.  Initially I
> had thought that this entire code block was dead, but Simon pointed
> out that it is not; so this patch simply removes some declarations.

LGTM, but you could maybe change the title of the patch to "remove declarations".

Simon
  

Patch

diff --git a/gdb/m32c-tdep.c b/gdb/m32c-tdep.c
index f696568e3a7..fc6277ef5c1 100644
--- a/gdb/m32c-tdep.c
+++ b/gdb/m32c-tdep.c
@@ -689,12 +689,11 @@  mark_general (struct m32c_reg *reg)
 }
 
 
-/* Mark REG as a DMA register, and return it.  */
-static struct m32c_reg *
+/* Mark REG as a DMA register.  */
+static void
 mark_dma (struct m32c_reg *reg)
 {
   reg->dma_p = 1;
-  return reg;
 }
 
 
@@ -841,16 +840,16 @@  make_regs (struct gdbarch *arch)
 
   if (mach == bfd_mach_m32c)
     {
-      struct m32c_reg *svf     = S (R16U (svf));
-      struct m32c_reg *svp     = S (RC (svp));
-      struct m32c_reg *vct     = S (RC (vct));
-
-      struct m32c_reg *dmd01   = DMA (RP (dmd, tdep->uint8));
-      struct m32c_reg *dct01   = DMA (RP (dct, tdep->uint16));
-      struct m32c_reg *drc01   = DMA (RP (drc, tdep->uint16));
-      struct m32c_reg *dma01   = DMA (RP (dma, tdep->data_addr_reg_type));
-      struct m32c_reg *dsa01   = DMA (RP (dsa, tdep->data_addr_reg_type));
-      struct m32c_reg *dra01   = DMA (RP (dra, tdep->data_addr_reg_type));
+      S (R16U (svf));
+      S (RC (svp));
+      S (RC (vct));
+
+      DMA (RP (dmd, tdep->uint8));
+      DMA (RP (dct, tdep->uint16));
+      DMA (RP (drc, tdep->uint16));
+      DMA (RP (dma, tdep->data_addr_reg_type));
+      DMA (RP (dsa, tdep->data_addr_reg_type));
+      DMA (RP (dra, tdep->data_addr_reg_type));
     }
 
   num_raw_regs = tdep->num_regs;