On 5/5/21 9:10 AM, Philippe Mathieu-Daudé wrote:
If the get_physical_address() call fails, the SH4 get_phys_page_debug()
handler returns an uninitialized address. Instead return -1, which
correspond to "no page found" (see cpu_get_phys_page_debug() doc
string).

This fixes a warning emitted when building with CFLAGS=-O3
(using GCC 10.2.1 20201125):

   target/sh4/helper.c: In function ‘superh_cpu_get_phys_page_debug’:
   target/sh4/helper.c:446:12: warning: ‘physical’ may be used uninitialized in 
this function [-Wmaybe-uninitialized]
     446 |     return physical;
         |            ^~~~~~~~

Signed-off-by: Philippe Mathieu-Daudé<[email protected]>
---
  target/sh4/helper.c | 7 +++++--
  1 file changed, 5 insertions(+), 2 deletions(-)

Reviewed-by: Richard Henderson <[email protected]>

r~

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