Mesa (master): amd/addrlib: Use signed char for INT_8.

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Module: Mesa
Branch: master
Commit: 3e2dcb3c076963e432ec2771e7ac1cf965de512b
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=3e2dcb3c076963e432ec2771e7ac1cf965de512b

Author: Bas Nieuwenhuizen <bas at basnieuwenhuizen.nl>
Date:   Fri Nov 13 02:34:40 2020 +0100

amd/addrlib: Use signed char for INT_8.

Some architectures like aarch64 and ppc64el have char = unisgned char.
This breaks meta equation generation for DCC coords, as addrlib tries
to filter all the Z bits > -1 which ends up being all the Z bits > 255.

Reviewed-by: Marek Olšák <marek.olsak at amd.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/7593>

---

 src/amd/addrlib/inc/addrtypes.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/amd/addrlib/inc/addrtypes.h b/src/amd/addrlib/inc/addrtypes.h
index 8d552fdbb52..fc2ddfc2525 100644
--- a/src/amd/addrlib/inc/addrtypes.h
+++ b/src/amd/addrlib/inc/addrtypes.h
@@ -649,7 +649,7 @@ typedef enum _AddrTileType
 #endif
 
 #ifndef INT_8
-#define INT_8   char
+#define INT_8   signed char
 #endif
 
 #ifndef UINT_8