[PATCH/committed 07/20] sim: bfin: fix -Wimplicit-fallthrough warnings

[Mike Frysinger <vapier@gentoo.org>]

Add the attribute to places where we want to fall thru.
---
 sim/bfin/dv-bfin_dma.c   | 1 +
 sim/bfin/dv-bfin_twi.c   | 1 +
 sim/bfin/dv-bfin_uart2.c | 1 +
 sim/bfin/interp.c        | 2 ++
 4 files changed, 5 insertions(+)

diff --git a/sim/bfin/dv-bfin_dma.c b/sim/bfin/dv-bfin_dma.c
index a3384700b2bf..4d2b95d24836 100644
--- a/sim/bfin/dv-bfin_dma.c
+++ b/sim/bfin/dv-bfin_dma.c
@@ -173,6 +173,7 @@ bfin_dma_process_desc (struct hw *me, struct bfin_dma *dma)
 	  dma->ndph = _flows[1];
 	  --ndsize;
 	  ++flows;
+	  ATTRIBUTE_FALLTHROUGH;
 	case DMAFLOW_SMALL:
 	  dma->ndpl = _flows[0];
 	  --ndsize;
diff --git a/sim/bfin/dv-bfin_twi.c b/sim/bfin/dv-bfin_twi.c
index 0ea224ca63cb..5a25320cb10c 100644
--- a/sim/bfin/dv-bfin_twi.c
+++ b/sim/bfin/dv-bfin_twi.c
@@ -118,6 +118,7 @@ bfin_twi_io_write_buffer (struct hw *me, const void *source, int space,
       break;
     case mmr_offset(xmt_data8):
       value &= 0xff;
+      ATTRIBUTE_FALLTHROUGH;
     case mmr_offset(xmt_data16):
       twi->xmt_fifo = value;
       break;
diff --git a/sim/bfin/dv-bfin_uart2.c b/sim/bfin/dv-bfin_uart2.c
index 0b55a30a55d3..5c8a50659b3c 100644
--- a/sim/bfin/dv-bfin_uart2.c
+++ b/sim/bfin/dv-bfin_uart2.c
@@ -158,6 +158,7 @@ bfin_uart_io_read_buffer (struct hw *me, void *dest,
     case mmr_offset(lsr):
       uart->lsr &= ~(DR | THRE | TEMT);
       uart->lsr |= bfin_uart_get_status (me);
+      ATTRIBUTE_FALLTHROUGH;
     case mmr_offset(thr):
     case mmr_offset(msr):
     case mmr_offset(dll):
diff --git a/sim/bfin/interp.c b/sim/bfin/interp.c
index df1d1b3f70f2..bb0b83c01c2f 100644
--- a/sim/bfin/interp.c
+++ b/sim/bfin/interp.c
@@ -396,12 +396,14 @@ bfin_syscall (SIM_CPU *cpu)
       goto sys_finish;
     case CB_SYS_setuid:
       sc.arg1 &= 0xffff;
+      ATTRIBUTE_FALLTHROUGH;
     case CB_SYS_setuid32:
       tbuf += sprintf (tbuf, "setuid(%u)", args[0]);
       sc.result = setuid (sc.arg1);
       goto sys_finish;
     case CB_SYS_setgid:
       sc.arg1 &= 0xffff;
+      ATTRIBUTE_FALLTHROUGH;
     case CB_SYS_setgid32:
       tbuf += sprintf (tbuf, "setgid(%u)", args[0]);
       sc.result = setgid (sc.arg1);
-- 
2.43.0