Mesa (master): nir/spirv: fix MSVC warning in vtn_align_u32()

[Brian Paul]

Module: Mesa
Branch: master
Commit: 84be45fc20b27bb388e5f66f8e03a3f74cef7f9b
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=84be45fc20b27bb388e5f66f8e03a3f74cef7f9b

Author: Brian Paul <brianp at vmware.com>
Date:   Fri Mar 30 11:06:50 2018 -0600

nir/spirv: fix MSVC warning in vtn_align_u32()

Fixes warning that "negation of an unsigned value results in an
unsigned value".

Reviewed-by: Neil Roberts <nroberts at igalia.com>

---

 src/compiler/spirv/vtn_private.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/compiler/spirv/vtn_private.h b/src/compiler/spirv/vtn_private.h
index d8a00f99b9..269de92225 100644
--- a/src/compiler/spirv/vtn_private.h
+++ b/src/compiler/spirv/vtn_private.h
@@ -732,7 +732,7 @@ void vtn_handle_decoration(struct vtn_builder *b, SpvOp opcode,
 static inline uint32_t
 vtn_align_u32(uint32_t v, uint32_t a)
 {
-   assert(a != 0 && a == (a & -a));
+   assert(a != 0 && a == (a & -((int32_t) a)));
    return (v + a - 1) & ~(a - 1);
 }