[PATCH] mips: avoid signed overflow in LUI_OPERAND [PR104842]

[Xi Ruoyao via Gcc-patches]

I think this one obvious.  Ok for trunk?

gcc/

        PR target/104842
        * config/mips/mips.h (LUI_OPERAND): Cast the input to an unsigned
        value before adding an offset.
---
 gcc/config/mips/mips.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/gcc/config/mips/mips.h b/gcc/config/mips/mips.h
index bf5c1d5a709..0029864fdcd 100644
--- a/gcc/config/mips/mips.h
+++ b/gcc/config/mips/mips.h
@@ -2309,7 +2309,7 @@ enum reg_class
 
 #define LUI_OPERAND(VALUE)                                     \
   (((VALUE) | 0x7fff0000) == 0x7fff0000                                \
-   || ((VALUE) | 0x7fff0000) + 0x10000 == 0)
+   || ((unsigned HOST_WIDE_INT) (VALUE) | 0x7fff0000) + 0x10000 == 0)
 
 /* Return a value X with the low 16 bits clear, and such that
    VALUE - X is a signed 16-bit value.  */
-- 
2.35.1